From 1e494cf4e2e4c7b0108ab2db96faebe70d57dd57 Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= Date: Wed, 24 Dec 2014 18:54:22 +0100 Subject: [PATCH] Imported Upstream version 4.2.2-2 --- android-version.h | 10 + android/log.h | 128 ++++ cutils/abort_socket.h | 103 +++ cutils/android_reboot.h | 35 + cutils/array.h | 67 ++ cutils/ashmem.h | 45 ++ cutils/atomic-arm.h | 254 +++++++ cutils/atomic-inline.h | 72 ++ cutils/atomic-mips.h | 187 +++++ cutils/atomic-x86.h | 142 ++++ cutils/atomic.h | 121 ++++ cutils/bitops.h | 41 ++ cutils/compiler.h | 44 ++ cutils/config_utils.h | 64 ++ cutils/cpu_info.h | 34 + cutils/debugger.h | 58 ++ cutils/dir_hash.h | 26 + cutils/event_tag_map.h | 50 ++ cutils/fs.h | 62 ++ cutils/hashmap.h | 150 ++++ cutils/iosched_policy.h | 38 + cutils/jstring.h | 43 ++ cutils/klog.h | 34 + cutils/list.h | 59 ++ cutils/log.h | 482 +++++++++++++ cutils/logd.h | 49 ++ cutils/logger.h | 81 +++ cutils/logprint.h | 163 +++++ cutils/memory.h | 42 ++ cutils/misc.h | 48 ++ cutils/mq.h | 124 ++++ cutils/multiuser.h | 41 ++ cutils/native_handle.h | 69 ++ cutils/open_memstream.h | 36 + cutils/partition_utils.h | 27 + cutils/process_name.h | 42 ++ cutils/properties.h | 76 ++ cutils/qsort_r_compat.h | 39 + cutils/qtaguid.h | 66 ++ cutils/record_stream.h | 43 ++ cutils/sched_policy.h | 61 ++ cutils/selector.h | 130 ++++ cutils/sockets.h | 112 +++ cutils/str_parms.h | 49 ++ cutils/threads.h | 146 ++++ cutils/tztime.h | 61 ++ cutils/uevent.h | 35 + cutils/uio.h | 48 ++ cutils/zygote.h | 32 + hardware/audio.h | 453 ++++++++++++ hardware/audio_effect.h | 1028 +++++++++++++++++++++++++++ hardware/audio_policy.h | 445 ++++++++++++ hardware/bluetooth.h | 441 ++++++++++++ hardware/bt_av.h | 90 +++ hardware/bt_hf.h | 284 ++++++++ hardware/bt_hh.h | 179 +++++ hardware/bt_hl.h | 123 ++++ hardware/bt_pan.h | 87 +++ hardware/bt_sock.h | 58 ++ hardware/camera.h | 298 ++++++++ hardware/camera2.h | 808 +++++++++++++++++++++ hardware/camera_common.h | 166 +++++ hardware/fb.h | 167 +++++ hardware/fmradio.h | 172 +++++ hardware/gps.h | 679 ++++++++++++++++++ hardware/gralloc.h | 269 +++++++ hardware/hardware.h | 230 ++++++ hardware/hwcomposer.h | 587 +++++++++++++++ hardware/hwcomposer_defs.h | 202 ++++++ hardware/hwcomposer_v0.h | 272 +++++++ hardware/keymaster.h | 214 ++++++ hardware/lights.h | 145 ++++ hardware/local_time_hal.h | 117 +++ hardware/nfc.h | 276 +++++++ hardware/power.h | 142 ++++ hardware/qemu_pipe.h | 91 +++ hardware/qemud.h | 153 ++++ hardware/sensors.h | 485 +++++++++++++ hardware_legacy/audio_policy_conf.h | 54 ++ linux/sw_sync.h | 58 ++ linux/sync.h | 427 +++++++++++ private/android_filesystem_config.h | 302 ++++++++ sync/sync.h | 62 ++ system/audio.h | 557 +++++++++++++++ system/audio_policy.h | 101 +++ system/camera.h | 311 ++++++++ system/graphics.h | 175 +++++ system/window.h | 842 ++++++++++++++++++++++ 88 files changed, 15519 insertions(+) create mode 100644 android-version.h create mode 100644 android/log.h create mode 100644 cutils/abort_socket.h create mode 100644 cutils/android_reboot.h create mode 100644 cutils/array.h create mode 100644 cutils/ashmem.h create mode 100644 cutils/atomic-arm.h create mode 100644 cutils/atomic-inline.h create mode 100644 cutils/atomic-mips.h create mode 100644 cutils/atomic-x86.h create mode 100644 cutils/atomic.h create mode 100644 cutils/bitops.h create mode 100644 cutils/compiler.h create mode 100644 cutils/config_utils.h create mode 100644 cutils/cpu_info.h create mode 100644 cutils/debugger.h create mode 100644 cutils/dir_hash.h create mode 100644 cutils/event_tag_map.h create mode 100644 cutils/fs.h create mode 100644 cutils/hashmap.h create mode 100644 cutils/iosched_policy.h create mode 100644 cutils/jstring.h create mode 100644 cutils/klog.h create mode 100644 cutils/list.h create mode 100644 cutils/log.h create mode 100644 cutils/logd.h create mode 100644 cutils/logger.h create mode 100644 cutils/logprint.h create mode 100644 cutils/memory.h create mode 100644 cutils/misc.h create mode 100644 cutils/mq.h create mode 100644 cutils/multiuser.h create mode 100644 cutils/native_handle.h create mode 100644 cutils/open_memstream.h create mode 100644 cutils/partition_utils.h create mode 100644 cutils/process_name.h create mode 100644 cutils/properties.h create mode 100644 cutils/qsort_r_compat.h create mode 100644 cutils/qtaguid.h create mode 100644 cutils/record_stream.h create mode 100644 cutils/sched_policy.h create mode 100644 cutils/selector.h create mode 100644 cutils/sockets.h create mode 100644 cutils/str_parms.h create mode 100644 cutils/threads.h create mode 100644 cutils/tztime.h create mode 100644 cutils/uevent.h create mode 100644 cutils/uio.h create mode 100644 cutils/zygote.h create mode 100644 hardware/audio.h create mode 100644 hardware/audio_effect.h create mode 100644 hardware/audio_policy.h create mode 100644 hardware/bluetooth.h create mode 100644 hardware/bt_av.h create mode 100644 hardware/bt_hf.h create mode 100644 hardware/bt_hh.h create mode 100644 hardware/bt_hl.h create mode 100644 hardware/bt_pan.h create mode 100644 hardware/bt_sock.h create mode 100644 hardware/camera.h create mode 100644 hardware/camera2.h create mode 100644 hardware/camera_common.h create mode 100644 hardware/fb.h create mode 100644 hardware/fmradio.h create mode 100644 hardware/gps.h create mode 100644 hardware/gralloc.h create mode 100644 hardware/hardware.h create mode 100644 hardware/hwcomposer.h create mode 100644 hardware/hwcomposer_defs.h create mode 100644 hardware/hwcomposer_v0.h create mode 100644 hardware/keymaster.h create mode 100644 hardware/lights.h create mode 100644 hardware/local_time_hal.h create mode 100644 hardware/nfc.h create mode 100644 hardware/power.h create mode 100644 hardware/qemu_pipe.h create mode 100644 hardware/qemud.h create mode 100644 hardware/sensors.h create mode 100644 hardware_legacy/audio_policy_conf.h create mode 100644 linux/sw_sync.h create mode 100644 linux/sync.h create mode 100644 private/android_filesystem_config.h create mode 100644 sync/sync.h create mode 100644 system/audio.h create mode 100644 system/audio_policy.h create mode 100644 system/camera.h create mode 100644 system/graphics.h create mode 100644 system/window.h diff --git a/android-version.h b/android-version.h new file mode 100644 index 0000000..af3445b --- /dev/null +++ b/android-version.h @@ -0,0 +1,10 @@ +#ifndef ANDROID_VERSION_H_ +#define ANDROID_VERSION_H_ + +#define ANDROID_VERSION_MAJOR 4 +#define ANDROID_VERSION_MINOR 2 +#define ANDROID_VERSION_PATCH 2 +#define ANDROID_VERSION_PATCH2 0 +#define ANDROID_VERSION_PATCH3 0 + +#endif diff --git a/android/log.h b/android/log.h new file mode 100644 index 0000000..0ea4c29 --- /dev/null +++ b/android/log.h @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _ANDROID_LOG_H +#define _ANDROID_LOG_H + +/****************************************************************** + * + * IMPORTANT NOTICE: + * + * This file is part of Android's set of stable system headers + * exposed by the Android NDK (Native Development Kit) since + * platform release 1.5 + * + * Third-party source AND binary code relies on the definitions + * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES. + * + * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES) + * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS + * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY + * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES + */ + +/* + * Support routines to send messages to the Android in-kernel log buffer, + * which can later be accessed through the 'logcat' utility. + * + * Each log message must have + * - a priority + * - a log tag + * - some text + * + * The tag normally corresponds to the component that emits the log message, + * and should be reasonably small. + * + * Log message text may be truncated to less than an implementation-specific + * limit (e.g. 1023 characters max). + * + * Note that a newline character ("\n") will be appended automatically to your + * log message, if not already there. It is not possible to send several messages + * and have them appear on a single line in logcat. + * + * PLEASE USE LOGS WITH MODERATION: + * + * - Sending log messages eats CPU and slow down your application and the + * system. + * + * - The circular log buffer is pretty small (<64KB), sending many messages + * might push off other important log messages from the rest of the system. + * + * - In release builds, only send log messages to account for exceptional + * conditions. + * + * NOTE: These functions MUST be implemented by /system/lib/liblog.so + */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Android log priority values, in ascending priority order. + */ +typedef enum android_LogPriority { + ANDROID_LOG_UNKNOWN = 0, + ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */ + ANDROID_LOG_VERBOSE, + ANDROID_LOG_DEBUG, + ANDROID_LOG_INFO, + ANDROID_LOG_WARN, + ANDROID_LOG_ERROR, + ANDROID_LOG_FATAL, + ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */ +} android_LogPriority; + +/* + * Send a simple string to the log. + */ +int __android_log_write(int prio, const char *tag, const char *text); + +/* + * Send a formatted string to the log, used like printf(fmt,...) + */ +int __android_log_print(int prio, const char *tag, const char *fmt, ...) +#if defined(__GNUC__) + __attribute__ ((format(printf, 3, 4))) +#endif + ; + +/* + * A variant of __android_log_print() that takes a va_list to list + * additional parameters. + */ +int __android_log_vprint(int prio, const char *tag, + const char *fmt, va_list ap); + +/* + * Log an assertion failure and SIGTRAP the process to have a chance + * to inspect it, if a debugger is attached. This uses the FATAL priority. + */ +void __android_log_assert(const char *cond, const char *tag, + const char *fmt, ...) +#if defined(__GNUC__) + __attribute__ ((noreturn)) + __attribute__ ((format(printf, 3, 4))) +#endif + ; + +#ifdef __cplusplus +} +#endif + +#endif /* _ANDROID_LOG_H */ diff --git a/cutils/abort_socket.h b/cutils/abort_socket.h new file mode 100644 index 0000000..fbb1112 --- /dev/null +++ b/cutils/abort_socket.h @@ -0,0 +1,103 @@ +/* + * Copyright 2009, The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* Helper to perform abortable blocking operations on a socket: + * asocket_connect() + * asocket_accept() + * asocket_read() + * asocket_write() + * These calls are similar to the regular syscalls, but can be aborted with: + * asocket_abort() + * + * Calling close() on a regular POSIX socket does not abort blocked syscalls on + * that socket in other threads. + * + * After calling asocket_abort() the socket cannot be reused. + * + * Call asocket_destory() *after* all threads have finished with the socket to + * finish closing the socket and free the asocket structure. + * + * The helper is implemented by setting the socket non-blocking to initiate + * syscalls connect(), accept(), read(), write(), then using a blocking poll() + * on both the primary socket and a local pipe. This makes the poll() abortable + * by writing a byte to the local pipe in asocket_abort(). + * + * asocket_create() sets the fd to non-blocking mode. It must not be changed to + * blocking mode. + * + * Using asocket will triple the number of file descriptors required per + * socket, due to the local pipe. It may be possible to use a global pipe per + * process rather than per socket, but we have not been able to come up with a + * race-free implementation yet. + * + * All functions except asocket_init() and asocket_destroy() are thread safe. + */ + +#include +#include + +#ifndef __CUTILS_ABORT_SOCKET_H__ +#define __CUTILS_ABORT_SOCKET_H__ +#ifdef __cplusplus +extern "C" { +#endif + +struct asocket { + int fd; /* primary socket fd */ + int abort_fd[2]; /* pipe used to abort */ +}; + +/* Create an asocket from fd. + * Sets the socket to non-blocking mode. + * Returns NULL on error with errno set. + */ +struct asocket *asocket_init(int fd); + +/* Blocking socket I/O with timeout. + * Calling asocket_abort() from another thread will cause each of these + * functions to immediately return with value -1 and errno ECANCELED. + * timeout is in ms, use -1 to indicate no timeout. On timeout -1 is returned + * with errno ETIMEDOUT. + * EINTR is handled in-call. + * Other semantics are identical to the regular syscalls. + */ +int asocket_connect(struct asocket *s, const struct sockaddr *addr, + socklen_t addrlen, int timeout); + +int asocket_accept(struct asocket *s, struct sockaddr *addr, + socklen_t *addrlen, int timeout); + +int asocket_read(struct asocket *s, void *buf, size_t count, int timeout); + +int asocket_write(struct asocket *s, const void *buf, size_t count, + int timeout); + +/* Abort above calls and shutdown socket. + * Further I/O operations on this socket will immediately fail after this call. + * asocket_destroy() should be used to release resources once all threads + * have returned from blocking calls on the socket. + */ +void asocket_abort(struct asocket *s); + +/* Close socket and free asocket structure. + * Must not be called until all calls on this structure have completed. + */ +void asocket_destroy(struct asocket *s); + +#ifdef __cplusplus +} +#endif +#endif //__CUTILS_ABORT_SOCKET__H__ diff --git a/cutils/android_reboot.h b/cutils/android_reboot.h new file mode 100644 index 0000000..0c79be7 --- /dev/null +++ b/cutils/android_reboot.h @@ -0,0 +1,35 @@ +/* + * Copyright 2011, The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_ANDROID_REBOOT_H__ +#define __CUTILS_ANDROID_REBOOT_H__ + +__BEGIN_DECLS + +/* Commands */ +#define ANDROID_RB_RESTART 0xDEAD0001 +#define ANDROID_RB_POWEROFF 0xDEAD0002 +#define ANDROID_RB_RESTART2 0xDEAD0003 + +/* Flags */ +#define ANDROID_RB_FLAG_NO_SYNC 0x1 +#define ANDROID_RB_FLAG_NO_REMOUNT_RO 0x2 + +int android_reboot(int cmd, int flags, char *arg); + +__END_DECLS + +#endif /* __CUTILS_ANDROID_REBOOT_H__ */ diff --git a/cutils/array.h b/cutils/array.h new file mode 100644 index 0000000..c97ff34 --- /dev/null +++ b/cutils/array.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * A pointer array which intelligently expands its capacity ad needed. + */ + +#ifndef __ARRAY_H +#define __ARRAY_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/** An array. */ +typedef struct Array Array; + +/** Constructs a new array. Returns NULL if we ran out of memory. */ +Array* arrayCreate(); + +/** Frees an array. Does not free elements themselves. */ +void arrayFree(Array* array); + +/** Adds a pointer. Returns 0 is successful, < 0 otherwise. */ +int arrayAdd(Array* array, void* pointer); + +/** Gets the pointer at the specified index. */ +void* arrayGet(Array* array, int index); + +/** Removes the pointer at the given index and returns it. */ +void* arrayRemove(Array* array, int index); + +/** Sets pointer at the given index. Returns old pointer. */ +void* arraySet(Array* array, int index, void* pointer); + +/** Sets the array size. Sets new pointers to NULL. Returns 0 if successful, < 0 otherwise . */ +int arraySetSize(Array* array, int size); + +/** Returns the size of the given array. */ +int arraySize(Array* array); + +/** + * Returns a pointer to a C-style array which will be valid until this array + * changes. + */ +const void** arrayUnwrap(Array* array); + +#ifdef __cplusplus +} +#endif + +#endif /* __ARRAY_H */ diff --git a/cutils/ashmem.h b/cutils/ashmem.h new file mode 100644 index 0000000..25b233e --- /dev/null +++ b/cutils/ashmem.h @@ -0,0 +1,45 @@ +/* cutils/ashmem.h + ** + ** Copyright 2008 The Android Open Source Project + ** + ** This file is dual licensed. It may be redistributed and/or modified + ** under the terms of the Apache 2.0 License OR version 2 of the GNU + ** General Public License. + */ + +#ifndef _CUTILS_ASHMEM_H +#define _CUTILS_ASHMEM_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +int ashmem_create_region(const char *name, size_t size); +int ashmem_set_prot_region(int fd, int prot); +int ashmem_pin_region(int fd, size_t offset, size_t len); +int ashmem_unpin_region(int fd, size_t offset, size_t len); +int ashmem_get_size_region(int fd); + +#ifdef __cplusplus +} +#endif + +#ifndef __ASHMEMIOC /* in case someone included too */ + +#define ASHMEM_NAME_LEN 256 + +#define ASHMEM_NAME_DEF "dev/ashmem" + +/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */ +#define ASHMEM_NOT_PURGED 0 +#define ASHMEM_WAS_PURGED 1 + +/* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */ +#define ASHMEM_IS_UNPINNED 0 +#define ASHMEM_IS_PINNED 1 + +#endif /* ! __ASHMEMIOC */ + +#endif /* _CUTILS_ASHMEM_H */ diff --git a/cutils/atomic-arm.h b/cutils/atomic-arm.h new file mode 100644 index 0000000..16fe512 --- /dev/null +++ b/cutils/atomic-arm.h @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_ATOMIC_ARM_H +#define ANDROID_CUTILS_ATOMIC_ARM_H + +#include +#include + +extern inline void android_compiler_barrier(void) +{ + __asm__ __volatile__ ("" : : : "memory"); +} + +#if ANDROID_SMP == 0 +extern inline void android_memory_barrier(void) +{ + android_compiler_barrier(); +} +extern inline void android_memory_store_barrier(void) +{ + android_compiler_barrier(); +} +#elif defined(__ARM_HAVE_DMB) +extern inline void android_memory_barrier(void) +{ + __asm__ __volatile__ ("dmb" : : : "memory"); +} +extern inline void android_memory_store_barrier(void) +{ + __asm__ __volatile__ ("dmb st" : : : "memory"); +} +#elif defined(__ARM_HAVE_LDREX_STREX) +extern inline void android_memory_barrier(void) +{ + __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); +} +extern inline void android_memory_store_barrier(void) +{ + android_memory_barrier(); +} +#else +extern inline void android_memory_barrier(void) +{ + typedef void (kuser_memory_barrier)(void); + (*(kuser_memory_barrier *)0xffff0fa0)(); +} +extern inline void android_memory_store_barrier(void) +{ + android_memory_barrier(); +} +#endif + +extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr) +{ + int32_t value = *ptr; + android_memory_barrier(); + return value; +} + +extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr) +{ + android_memory_barrier(); + return *ptr; +} + +extern inline void android_atomic_acquire_store(int32_t value, + volatile int32_t *ptr) +{ + *ptr = value; + android_memory_barrier(); +} + +extern inline void android_atomic_release_store(int32_t value, + volatile int32_t *ptr) +{ + android_memory_barrier(); + *ptr = value; +} + +#if defined(__thumb__) +extern int android_atomic_cas(int32_t old_value, int32_t new_value, + volatile int32_t *ptr); +#elif defined(__ARM_HAVE_LDREX_STREX) +extern inline int android_atomic_cas(int32_t old_value, int32_t new_value, + volatile int32_t *ptr) +{ + int32_t prev, status; + do { + __asm__ __volatile__ ("ldrex %0, [%3]\n" + "mov %1, #0\n" + "teq %0, %4\n" + "strexeq %1, %5, [%3]" + : "=&r" (prev), "=&r" (status), "+m"(*ptr) + : "r" (ptr), "Ir" (old_value), "r" (new_value) + : "cc"); + } while (__builtin_expect(status != 0, 0)); + return prev != old_value; +} +#else +extern inline int android_atomic_cas(int32_t old_value, int32_t new_value, + volatile int32_t *ptr) +{ + typedef int (kuser_cmpxchg)(int32_t, int32_t, volatile int32_t *); + int32_t prev, status; + prev = *ptr; + do { + status = (*(kuser_cmpxchg *)0xffff0fc0)(old_value, new_value, ptr); + if (__builtin_expect(status == 0, 1)) + return 0; + prev = *ptr; + } while (prev == old_value); + return 1; +} +#endif + +extern inline int android_atomic_acquire_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + int status = android_atomic_cas(old_value, new_value, ptr); + android_memory_barrier(); + return status; +} + +extern inline int android_atomic_release_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + android_memory_barrier(); + return android_atomic_cas(old_value, new_value, ptr); +} + + +#if defined(__thumb__) +extern int32_t android_atomic_add(int32_t increment, + volatile int32_t *ptr); +#elif defined(__ARM_HAVE_LDREX_STREX) +extern inline int32_t android_atomic_add(int32_t increment, + volatile int32_t *ptr) +{ + int32_t prev, tmp, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ("ldrex %0, [%4]\n" + "add %1, %0, %5\n" + "strex %2, %1, [%4]" + : "=&r" (prev), "=&r" (tmp), + "=&r" (status), "+m" (*ptr) + : "r" (ptr), "Ir" (increment) + : "cc"); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#else +extern inline int32_t android_atomic_add(int32_t increment, + volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + prev = *ptr; + status = android_atomic_cas(prev, prev + increment, ptr); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#endif + +extern inline int32_t android_atomic_inc(volatile int32_t *addr) +{ + return android_atomic_add(1, addr); +} + +extern inline int32_t android_atomic_dec(volatile int32_t *addr) +{ + return android_atomic_add(-1, addr); +} + +#if defined(__thumb__) +extern int32_t android_atomic_and(int32_t value, volatile int32_t *ptr); +#elif defined(__ARM_HAVE_LDREX_STREX) +extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, tmp, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ("ldrex %0, [%4]\n" + "and %1, %0, %5\n" + "strex %2, %1, [%4]" + : "=&r" (prev), "=&r" (tmp), + "=&r" (status), "+m" (*ptr) + : "r" (ptr), "Ir" (value) + : "cc"); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#else +extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + prev = *ptr; + status = android_atomic_cas(prev, prev & value, ptr); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#endif + +#if defined(__thumb__) +extern int32_t android_atomic_or(int32_t value, volatile int32_t *ptr); +#elif defined(__ARM_HAVE_LDREX_STREX) +extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, tmp, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ("ldrex %0, [%4]\n" + "orr %1, %0, %5\n" + "strex %2, %1, [%4]" + : "=&r" (prev), "=&r" (tmp), + "=&r" (status), "+m" (*ptr) + : "r" (ptr), "Ir" (value) + : "cc"); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#else +extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + prev = *ptr; + status = android_atomic_cas(prev, prev | value, ptr); + } while (__builtin_expect(status != 0, 0)); + return prev; +} +#endif + +#endif /* ANDROID_CUTILS_ATOMIC_ARM_H */ diff --git a/cutils/atomic-inline.h b/cutils/atomic-inline.h new file mode 100644 index 0000000..0b13138 --- /dev/null +++ b/cutils/atomic-inline.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_ATOMIC_INLINE_H +#define ANDROID_CUTILS_ATOMIC_INLINE_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Inline declarations and macros for some special-purpose atomic + * operations. These are intended for rare circumstances where a + * memory barrier needs to be issued inline rather than as a function + * call. + * + * Most code should not use these. + * + * Anything that does include this file must set ANDROID_SMP to either + * 0 or 1, indicating compilation for UP or SMP, respectively. + * + * Macros defined in this header: + * + * void ANDROID_MEMBAR_FULL(void) + * Full memory barrier. Provides a compiler reordering barrier, and + * on SMP systems emits an appropriate instruction. + */ + +#if !defined(ANDROID_SMP) +# error "Must define ANDROID_SMP before including atomic-inline.h" +#endif + +#if defined(__arm__) +#include +#elif defined(__i386__) || defined(__x86_64__) +#include +#elif defined(__mips__) +#include +#else +#error atomic operations are unsupported +#endif + +#if ANDROID_SMP == 0 +#define ANDROID_MEMBAR_FULL android_compiler_barrier +#else +#define ANDROID_MEMBAR_FULL android_memory_barrier +#endif + +#if ANDROID_SMP == 0 +#define ANDROID_MEMBAR_STORE android_compiler_barrier +#else +#define ANDROID_MEMBAR_STORE android_memory_store_barrier +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* ANDROID_CUTILS_ATOMIC_INLINE_H */ diff --git a/cutils/atomic-mips.h b/cutils/atomic-mips.h new file mode 100644 index 0000000..49144a3 --- /dev/null +++ b/cutils/atomic-mips.h @@ -0,0 +1,187 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_ATOMIC_MIPS_H +#define ANDROID_CUTILS_ATOMIC_MIPS_H + +#include + +extern inline void android_compiler_barrier(void) +{ + __asm__ __volatile__ ("" : : : "memory"); +} + +#if ANDROID_SMP == 0 +extern inline void android_memory_barrier(void) +{ + android_compiler_barrier(); +} +extern inline void android_memory_store_barrier(void) +{ + android_compiler_barrier(); +} +#else +extern inline void android_memory_barrier(void) +{ + __asm__ __volatile__ ("sync" : : : "memory"); +} +extern inline void android_memory_store_barrier(void) +{ + __asm__ __volatile__ ("sync" : : : "memory"); +} +#endif + +extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr) +{ + int32_t value = *ptr; + android_memory_barrier(); + return value; +} + +extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr) +{ + android_memory_barrier(); + return *ptr; +} + +extern inline void android_atomic_acquire_store(int32_t value, + volatile int32_t *ptr) +{ + *ptr = value; + android_memory_barrier(); +} + +extern inline void android_atomic_release_store(int32_t value, + volatile int32_t *ptr) +{ + android_memory_barrier(); + *ptr = value; +} + +extern inline int android_atomic_cas(int32_t old_value, int32_t new_value, + volatile int32_t *ptr) +{ + int32_t prev, status; + do { + __asm__ __volatile__ ( + " ll %[prev], (%[ptr])\n" + " li %[status], 1\n" + " bne %[prev], %[old], 9f\n" + " move %[status], %[new_value]\n" + " sc %[status], (%[ptr])\n" + "9:\n" + : [prev] "=&r" (prev), [status] "=&r" (status) + : [ptr] "r" (ptr), [old] "r" (old_value), [new_value] "r" (new_value) + ); + } while (__builtin_expect(status == 0, 0)); + return prev != old_value; +} + +extern inline int android_atomic_acquire_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + int status = android_atomic_cas(old_value, new_value, ptr); + android_memory_barrier(); + return status; +} + +extern inline int android_atomic_release_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + android_memory_barrier(); + return android_atomic_cas(old_value, new_value, ptr); +} + + +extern inline int32_t android_atomic_swap(int32_t new_value, + volatile int32_t *ptr) +{ + int32_t prev, status; + do { + __asm__ __volatile__ ( + " move %[status], %[new_value]\n" + " ll %[prev], (%[ptr])\n" + " sc %[status], (%[ptr])\n" + : [prev] "=&r" (prev), [status] "=&r" (status) + : [ptr] "r" (ptr), [new_value] "r" (new_value) + ); + } while (__builtin_expect(status == 0, 0)); + android_memory_barrier(); + return prev; +} + +extern inline int32_t android_atomic_add(int32_t increment, + volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ( + " ll %[prev], (%[ptr])\n" + " addu %[status], %[prev], %[inc]\n" + " sc %[status], (%[ptr])\n" + : [status] "=&r" (status), [prev] "=&r" (prev) + : [ptr] "r" (ptr), [inc] "Ir" (increment) + ); + } while (__builtin_expect(status == 0, 0)); + return prev; +} + +extern inline int32_t android_atomic_inc(volatile int32_t *addr) +{ + return android_atomic_add(1, addr); +} + +extern inline int32_t android_atomic_dec(volatile int32_t *addr) +{ + return android_atomic_add(-1, addr); +} + +extern inline int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ( + " ll %[prev], (%[ptr])\n" + " and %[status], %[prev], %[value]\n" + " sc %[status], (%[ptr])\n" + : [prev] "=&r" (prev), [status] "=&r" (status) + : [ptr] "r" (ptr), [value] "Ir" (value) + ); + } while (__builtin_expect(status == 0, 0)); + return prev; +} + +extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, status; + android_memory_barrier(); + do { + __asm__ __volatile__ ( + " ll %[prev], (%[ptr])\n" + " or %[status], %[prev], %[value]\n" + " sc %[status], (%[ptr])\n" + : [prev] "=&r" (prev), [status] "=&r" (status) + : [ptr] "r" (ptr), [value] "Ir" (value) + ); + } while (__builtin_expect(status == 0, 0)); + return prev; +} + +#endif /* ANDROID_CUTILS_ATOMIC_MIPS_H */ diff --git a/cutils/atomic-x86.h b/cutils/atomic-x86.h new file mode 100644 index 0000000..438012e --- /dev/null +++ b/cutils/atomic-x86.h @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_ATOMIC_X86_H +#define ANDROID_CUTILS_ATOMIC_X86_H + +#include + +extern inline void android_compiler_barrier(void) +{ + __asm__ __volatile__ ("" : : : "memory"); +} + +#if ANDROID_SMP == 0 +extern inline void android_memory_barrier(void) +{ + android_compiler_barrier(); +} +extern inline void android_memory_store_barrier(void) +{ + android_compiler_barrier(); +} +#else +extern inline void android_memory_barrier(void) +{ + __asm__ __volatile__ ("mfence" : : : "memory"); +} +extern inline void android_memory_store_barrier(void) +{ + android_compiler_barrier(); +} +#endif + +extern inline int32_t android_atomic_acquire_load(volatile const int32_t *ptr) +{ + int32_t value = *ptr; + android_compiler_barrier(); + return value; +} + +extern inline int32_t android_atomic_release_load(volatile const int32_t *ptr) +{ + android_memory_barrier(); + return *ptr; +} + +extern inline void android_atomic_acquire_store(int32_t value, + volatile int32_t *ptr) +{ + *ptr = value; + android_memory_barrier(); +} + +extern inline void android_atomic_release_store(int32_t value, + volatile int32_t *ptr) +{ + android_compiler_barrier(); + *ptr = value; +} + +extern inline int android_atomic_cas(int32_t old_value, int32_t new_value, + volatile int32_t *ptr) +{ + int32_t prev; + __asm__ __volatile__ ("lock; cmpxchgl %1, %2" + : "=a" (prev) + : "q" (new_value), "m" (*ptr), "0" (old_value) + : "memory"); + return prev != old_value; +} + +extern inline int android_atomic_acquire_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + /* Loads are not reordered with other loads. */ + return android_atomic_cas(old_value, new_value, ptr); +} + +extern inline int android_atomic_release_cas(int32_t old_value, + int32_t new_value, + volatile int32_t *ptr) +{ + /* Stores are not reordered with other stores. */ + return android_atomic_cas(old_value, new_value, ptr); +} + +extern inline int32_t android_atomic_add(int32_t increment, + volatile int32_t *ptr) +{ + __asm__ __volatile__ ("lock; xaddl %0, %1" + : "+r" (increment), "+m" (*ptr) + : : "memory"); + /* increment now holds the old value of *ptr */ + return increment; +} + +extern inline int32_t android_atomic_inc(volatile int32_t *addr) +{ + return android_atomic_add(1, addr); +} + +extern inline int32_t android_atomic_dec(volatile int32_t *addr) +{ + return android_atomic_add(-1, addr); +} + +extern inline int32_t android_atomic_and(int32_t value, + volatile int32_t *ptr) +{ + int32_t prev, status; + do { + prev = *ptr; + status = android_atomic_cas(prev, prev & value, ptr); + } while (__builtin_expect(status != 0, 0)); + return prev; +} + +extern inline int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) +{ + int32_t prev, status; + do { + prev = *ptr; + status = android_atomic_cas(prev, prev | value, ptr); + } while (__builtin_expect(status != 0, 0)); + return prev; +} + +#endif /* ANDROID_CUTILS_ATOMIC_X86_H */ diff --git a/cutils/atomic.h b/cutils/atomic.h new file mode 100644 index 0000000..ae42eb8 --- /dev/null +++ b/cutils/atomic.h @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_ATOMIC_H +#define ANDROID_CUTILS_ATOMIC_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * A handful of basic atomic operations. The appropriate pthread + * functions should be used instead of these whenever possible. + * + * The "acquire" and "release" terms can be defined intuitively in terms + * of the placement of memory barriers in a simple lock implementation: + * - wait until compare-and-swap(lock-is-free --> lock-is-held) succeeds + * - barrier + * - [do work] + * - barrier + * - store(lock-is-free) + * In very crude terms, the initial (acquire) barrier prevents any of the + * "work" from happening before the lock is held, and the later (release) + * barrier ensures that all of the work happens before the lock is released. + * (Think of cached writes, cache read-ahead, and instruction reordering + * around the CAS and store instructions.) + * + * The barriers must apply to both the compiler and the CPU. Note it is + * legal for instructions that occur before an "acquire" barrier to be + * moved down below it, and for instructions that occur after a "release" + * barrier to be moved up above it. + * + * The ARM-driven implementation we use here is short on subtlety, + * and actually requests a full barrier from the compiler and the CPU. + * The only difference between acquire and release is in whether they + * are issued before or after the atomic operation with which they + * are associated. To ease the transition to C/C++ atomic intrinsics, + * you should not rely on this, and instead assume that only the minimal + * acquire/release protection is provided. + * + * NOTE: all int32_t* values are expected to be aligned on 32-bit boundaries. + * If they are not, atomicity is not guaranteed. + */ + +/* + * Basic arithmetic and bitwise operations. These all provide a + * barrier with "release" ordering, and return the previous value. + * + * These have the same characteristics (e.g. what happens on overflow) + * as the equivalent non-atomic C operations. + */ +int32_t android_atomic_inc(volatile int32_t* addr); +int32_t android_atomic_dec(volatile int32_t* addr); +int32_t android_atomic_add(int32_t value, volatile int32_t* addr); +int32_t android_atomic_and(int32_t value, volatile int32_t* addr); +int32_t android_atomic_or(int32_t value, volatile int32_t* addr); + +/* + * Perform an atomic load with "acquire" or "release" ordering. + * + * This is only necessary if you need the memory barrier. A 32-bit read + * from a 32-bit aligned address is atomic on all supported platforms. + */ +int32_t android_atomic_acquire_load(volatile const int32_t* addr); +int32_t android_atomic_release_load(volatile const int32_t* addr); + +/* + * Perform an atomic store with "acquire" or "release" ordering. + * + * This is only necessary if you need the memory barrier. A 32-bit write + * to a 32-bit aligned address is atomic on all supported platforms. + */ +void android_atomic_acquire_store(int32_t value, volatile int32_t* addr); +void android_atomic_release_store(int32_t value, volatile int32_t* addr); + +/* + * Compare-and-set operation with "acquire" or "release" ordering. + * + * This returns zero if the new value was successfully stored, which will + * only happen when *addr == oldvalue. + * + * (The return value is inverted from implementations on other platforms, + * but matches the ARM ldrex/strex result.) + * + * Implementations that use the release CAS in a loop may be less efficient + * than possible, because we re-issue the memory barrier on each iteration. + */ +int android_atomic_acquire_cas(int32_t oldvalue, int32_t newvalue, + volatile int32_t* addr); +int android_atomic_release_cas(int32_t oldvalue, int32_t newvalue, + volatile int32_t* addr); + +/* + * Aliases for code using an older version of this header. These are now + * deprecated and should not be used. The definitions will be removed + * in a future release. + */ +#define android_atomic_write android_atomic_release_store +#define android_atomic_cmpxchg android_atomic_release_cas + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // ANDROID_CUTILS_ATOMIC_H diff --git a/cutils/bitops.h b/cutils/bitops.h new file mode 100644 index 0000000..1b3b762 --- /dev/null +++ b/cutils/bitops.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_BITOPS_H +#define __CUTILS_BITOPS_H + +#include + +__BEGIN_DECLS + +static inline int popcount(unsigned int x) +{ + return __builtin_popcount(x); +} + +static inline int popcountl(unsigned long x) +{ + return __builtin_popcountl(x); +} + +static inline int popcountll(unsigned long long x) +{ + return __builtin_popcountll(x); +} + +__END_DECLS + +#endif /* __CUTILS_BITOPS_H */ diff --git a/cutils/compiler.h b/cutils/compiler.h new file mode 100644 index 0000000..70f884a --- /dev/null +++ b/cutils/compiler.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_COMPILER_H +#define ANDROID_CUTILS_COMPILER_H + +/* + * helps the compiler's optimizer predicting branches + */ + +#ifdef __cplusplus +# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), true )) +# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), false )) +#else +# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), 1 )) +# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), 0 )) +#endif + +/** + * exports marked symbols + * + * if used on a C++ class declaration, this macro must be inserted + * after the "class" keyword. For instance: + * + * template + * class ANDROID_API Singleton { } + */ + +#define ANDROID_API __attribute__((visibility("default"))) + +#endif // ANDROID_CUTILS_COMPILER_H diff --git a/cutils/config_utils.h b/cutils/config_utils.h new file mode 100644 index 0000000..2dea6f1 --- /dev/null +++ b/cutils/config_utils.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_CONFIG_UTILS_H +#define __CUTILS_CONFIG_UTILS_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct cnode cnode; + + +struct cnode +{ + cnode *next; + cnode *first_child; + cnode *last_child; + const char *name; + const char *value; +}; + +/* parse a text string into a config node tree */ +void config_load(cnode *root, char *data); + +/* parse a file into a config node tree */ +void config_load_file(cnode *root, const char *fn); + +/* create a single config node */ +cnode* config_node(const char *name, const char *value); + +/* locate a named child of a config node */ +cnode* config_find(cnode *root, const char *name); + +/* look up a child by name and return the boolean value */ +int config_bool(cnode *root, const char *name, int _default); + +/* look up a child by name and return the string value */ +const char* config_str(cnode *root, const char *name, const char *_default); + +/* add a named child to a config node (or modify it if it already exists) */ +void config_set(cnode *root, const char *name, const char *value); + +/* free a config node tree */ +void config_free(cnode *root); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/cutils/cpu_info.h b/cutils/cpu_info.h new file mode 100644 index 0000000..78c1884 --- /dev/null +++ b/cutils/cpu_info.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_CPU_INFO_H +#define __CUTILS_CPU_INFO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* returns a string contiaining an ASCII representation of the CPU serial number, +** or NULL if cpu info not available. +** The string is a static variable, so don't call free() on it. +*/ +extern const char* get_cpu_serial_number(void); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_CPU_INFO_H */ diff --git a/cutils/debugger.h b/cutils/debugger.h new file mode 100644 index 0000000..5a8e796 --- /dev/null +++ b/cutils/debugger.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_DEBUGGER_H +#define __CUTILS_DEBUGGER_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define DEBUGGER_SOCKET_NAME "android:debuggerd" + +typedef enum { + // dump a crash + DEBUGGER_ACTION_CRASH, + // dump a tombstone file + DEBUGGER_ACTION_DUMP_TOMBSTONE, + // dump a backtrace only back to the socket + DEBUGGER_ACTION_DUMP_BACKTRACE, +} debugger_action_t; + +/* message sent over the socket */ +typedef struct { + debugger_action_t action; + pid_t tid; +} debugger_msg_t; + +/* Dumps a process backtrace, registers, and stack to a tombstone file (requires root). + * Stores the tombstone path in the provided buffer. + * Returns 0 on success, -1 on error. + */ +int dump_tombstone(pid_t tid, char* pathbuf, size_t pathlen); + +/* Dumps a process backtrace only to the specified file (requires root). + * Returns 0 on success, -1 on error. + */ +int dump_backtrace_to_file(pid_t tid, int fd); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_DEBUGGER_H */ diff --git a/cutils/dir_hash.h b/cutils/dir_hash.h new file mode 100644 index 0000000..fbb4d02 --- /dev/null +++ b/cutils/dir_hash.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +typedef enum { + SHA_1, +} HashAlgorithm; + +int get_file_hash(HashAlgorithm algorithm, const char *path, + char *output_string, size_t max_output_string); + +int get_recursive_hash_manifest(HashAlgorithm algorithm, + const char *directory_path, + char **output_string); diff --git a/cutils/event_tag_map.h b/cutils/event_tag_map.h new file mode 100644 index 0000000..1653c61 --- /dev/null +++ b/cutils/event_tag_map.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _LIBS_CUTILS_EVENTTAGMAP_H +#define _LIBS_CUTILS_EVENTTAGMAP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define EVENT_TAG_MAP_FILE "/system/etc/event-log-tags" + +struct EventTagMap; +typedef struct EventTagMap EventTagMap; + +/* + * Open the specified file as an event log tag map. + * + * Returns NULL on failure. + */ +EventTagMap* android_openEventTagMap(const char* fileName); + +/* + * Close the map. + */ +void android_closeEventTagMap(EventTagMap* map); + +/* + * Look up a tag by index. Returns the tag string, or NULL if not found. + */ +const char* android_lookupEventTag(const EventTagMap* map, int tag); + +#ifdef __cplusplus +} +#endif + +#endif /*_LIBS_CUTILS_EVENTTAGMAP_H*/ diff --git a/cutils/fs.h b/cutils/fs.h new file mode 100644 index 0000000..fd5296b --- /dev/null +++ b/cutils/fs.h @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_FS_H +#define __CUTILS_FS_H + +#include + +/* + * TEMP_FAILURE_RETRY is defined by some, but not all, versions of + * . (Alas, it is not as standard as we'd hoped!) So, if it's + * not already defined, then define it here. + */ +#ifndef TEMP_FAILURE_RETRY +/* Used to retry syscalls that can return EINTR. */ +#define TEMP_FAILURE_RETRY(exp) ({ \ + typeof (exp) _rc; \ + do { \ + _rc = (exp); \ + } while (_rc == -1 && errno == EINTR); \ + _rc; }) +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Ensure that directory exists with given mode and owners. + */ +extern int fs_prepare_dir(const char* path, mode_t mode, uid_t uid, gid_t gid); + +/* + * Read single plaintext integer from given file, correctly handling files + * partially written with fs_write_atomic_int(). + */ +extern int fs_read_atomic_int(const char* path, int* value); + +/* + * Write single plaintext integer to given file, creating backup while + * in progress. + */ +extern int fs_write_atomic_int(const char* path, int value); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_FS_H */ diff --git a/cutils/hashmap.h b/cutils/hashmap.h new file mode 100644 index 0000000..5cb344c --- /dev/null +++ b/cutils/hashmap.h @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Hash map. + */ + +#ifndef __HASHMAP_H +#define __HASHMAP_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/** A hash map. */ +typedef struct Hashmap Hashmap; + +/** + * Creates a new hash map. Returns NULL if memory allocation fails. + * + * @param initialCapacity number of expected entries + * @param hash function which hashes keys + * @param equals function which compares keys for equality + */ +Hashmap* hashmapCreate(size_t initialCapacity, + int (*hash)(void* key), bool (*equals)(void* keyA, void* keyB)); + +/** + * Frees the hash map. Does not free the keys or values themselves. + */ +void hashmapFree(Hashmap* map); + +/** + * Hashes the memory pointed to by key with the given size. Useful for + * implementing hash functions. + */ +int hashmapHash(void* key, size_t keySize); + +/** + * Puts value for the given key in the map. Returns pre-existing value if + * any. + * + * If memory allocation fails, this function returns NULL, the map's size + * does not increase, and errno is set to ENOMEM. + */ +void* hashmapPut(Hashmap* map, void* key, void* value); + +/** + * Gets a value from the map. Returns NULL if no entry for the given key is + * found or if the value itself is NULL. + */ +void* hashmapGet(Hashmap* map, void* key); + +/** + * Returns true if the map contains an entry for the given key. + */ +bool hashmapContainsKey(Hashmap* map, void* key); + +/** + * Gets the value for a key. If a value is not found, this function gets a + * value and creates an entry using the given callback. + * + * If memory allocation fails, the callback is not called, this function + * returns NULL, and errno is set to ENOMEM. + */ +void* hashmapMemoize(Hashmap* map, void* key, + void* (*initialValue)(void* key, void* context), void* context); + +/** + * Removes an entry from the map. Returns the removed value or NULL if no + * entry was present. + */ +void* hashmapRemove(Hashmap* map, void* key); + +/** + * Gets the number of entries in this map. + */ +size_t hashmapSize(Hashmap* map); + +/** + * Invokes the given callback on each entry in the map. Stops iterating if + * the callback returns false. + */ +void hashmapForEach(Hashmap* map, + bool (*callback)(void* key, void* value, void* context), + void* context); + +/** + * Concurrency support. + */ + +/** + * Locks the hash map so only the current thread can access it. + */ +void hashmapLock(Hashmap* map); + +/** + * Unlocks the hash map so other threads can access it. + */ +void hashmapUnlock(Hashmap* map); + +/** + * Key utilities. + */ + +/** + * Hashes int keys. 'key' is a pointer to int. + */ +int hashmapIntHash(void* key); + +/** + * Compares two int keys for equality. + */ +bool hashmapIntEquals(void* keyA, void* keyB); + +/** + * For debugging. + */ + +/** + * Gets current capacity. + */ +size_t hashmapCurrentCapacity(Hashmap* map); + +/** + * Counts the number of entry collisions. + */ +size_t hashmapCountCollisions(Hashmap* map); + +#ifdef __cplusplus +} +#endif + +#endif /* __HASHMAP_H */ diff --git a/cutils/iosched_policy.h b/cutils/iosched_policy.h new file mode 100644 index 0000000..07c5d1f --- /dev/null +++ b/cutils/iosched_policy.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_IOSCHED_POLICY_H +#define __CUTILS_IOSCHED_POLICY_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + IoSchedClass_NONE, + IoSchedClass_RT, + IoSchedClass_BE, + IoSchedClass_IDLE, +} IoSchedClass; + +extern int android_set_ioprio(int pid, IoSchedClass clazz, int ioprio); +extern int android_get_ioprio(int pid, IoSchedClass *clazz, int *ioprio); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_IOSCHED_POLICY_H */ diff --git a/cutils/jstring.h b/cutils/jstring.h new file mode 100644 index 0000000..ee0018f --- /dev/null +++ b/cutils/jstring.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_STRING16_H +#define __CUTILS_STRING16_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef uint16_t char16_t; + +extern char * strndup16to8 (const char16_t* s, size_t n); +extern size_t strnlen16to8 (const char16_t* s, size_t n); +extern char * strncpy16to8 (char *dest, const char16_t*s, size_t n); + +extern char16_t * strdup8to16 (const char* s, size_t *out_len); +extern size_t strlen8to16 (const char* utf8Str); +extern char16_t * strcpy8to16 (char16_t *dest, const char*s, size_t *out_len); +extern char16_t * strcpylen8to16 (char16_t *dest, const char*s, int length, + size_t *out_len); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_STRING16_H */ diff --git a/cutils/klog.h b/cutils/klog.h new file mode 100644 index 0000000..1335543 --- /dev/null +++ b/cutils/klog.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _CUTILS_KLOG_H_ +#define _CUTILS_KLOG_H_ + +void klog_init(void); +void klog_set_level(int level); +void klog_close(void); +void klog_write(int level, const char *fmt, ...) + __attribute__ ((format(printf, 2, 3))); + +#define KLOG_ERROR(tag,x...) klog_write(3, "<3>" tag ": " x) +#define KLOG_WARNING(tag,x...) klog_write(4, "<4>" tag ": " x) +#define KLOG_NOTICE(tag,x...) klog_write(5, "<5>" tag ": " x) +#define KLOG_INFO(tag,x...) klog_write(6, "<6>" tag ": " x) +#define KLOG_DEBUG(tag,x...) klog_write(7, "<7>" tag ": " x) + +#define KLOG_DEFAULT_LEVEL 3 /* messages <= this level are logged */ + +#endif diff --git a/cutils/list.h b/cutils/list.h new file mode 100644 index 0000000..3881fc9 --- /dev/null +++ b/cutils/list.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _CUTILS_LIST_H_ +#define _CUTILS_LIST_H_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +struct listnode +{ + struct listnode *next; + struct listnode *prev; +}; + +#define node_to_item(node, container, member) \ + (container *) (((char*) (node)) - offsetof(container, member)) + +#define list_declare(name) \ + struct listnode name = { \ + .next = &name, \ + .prev = &name, \ + } + +#define list_for_each(node, list) \ + for (node = (list)->next; node != (list); node = node->next) + +#define list_for_each_reverse(node, list) \ + for (node = (list)->prev; node != (list); node = node->prev) + +void list_init(struct listnode *list); +void list_add_tail(struct listnode *list, struct listnode *item); +void list_remove(struct listnode *item); + +#define list_empty(list) ((list) == (list)->next) +#define list_head(list) ((list)->next) +#define list_tail(list) ((list)->prev) + +#ifdef __cplusplus +}; +#endif /* __cplusplus */ + +#endif diff --git a/cutils/log.h b/cutils/log.h new file mode 100644 index 0000000..878952e --- /dev/null +++ b/cutils/log.h @@ -0,0 +1,482 @@ +/* + * Copyright (C) 2005 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +// C/C++ logging functions. See the logging documentation for API details. +// +// We'd like these to be available from C code (in case we import some from +// somewhere), so this has a C interface. +// +// The output will be correct when the log file is shared between multiple +// threads and/or multiple processes so long as the operating system +// supports O_APPEND. These calls have mutex-protected data structures +// and so are NOT reentrant. Do not use LOG in a signal handler. +// +#ifndef _LIBS_CUTILS_LOG_H +#define _LIBS_CUTILS_LOG_H + +#include +#include +#include +#include +#ifdef HAVE_PTHREADS +#include +#endif +#include + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +// --------------------------------------------------------------------- + +/* + * Normally we strip ALOGV (VERBOSE messages) from release builds. + * You can modify this (for example with "#define LOG_NDEBUG 0" + * at the top of your source file) to change that behavior. + */ +#ifndef LOG_NDEBUG +#ifdef NDEBUG +#define LOG_NDEBUG 1 +#else +#define LOG_NDEBUG 0 +#endif +#endif + +/* + * This is the local tag used for the following simplified + * logging macros. You can change this preprocessor definition + * before using the other macros to change the tag. + */ +#ifndef LOG_TAG +#define LOG_TAG NULL +#endif + +// --------------------------------------------------------------------- + +/* + * Simplified macro to send a verbose log message using the current LOG_TAG. + */ +#ifndef ALOGV +#if LOG_NDEBUG +#define ALOGV(...) ((void)0) +#else +#define ALOGV(...) ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) +#endif +#endif + +#define CONDITION(cond) (__builtin_expect((cond)!=0, 0)) + +#ifndef ALOGV_IF +#if LOG_NDEBUG +#define ALOGV_IF(cond, ...) ((void)0) +#else +#define ALOGV_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif +#endif + +/* + * Simplified macro to send a debug log message using the current LOG_TAG. + */ +#ifndef ALOGD +#define ALOGD(...) ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef ALOGD_IF +#define ALOGD_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an info log message using the current LOG_TAG. + */ +#ifndef ALOGI +#define ALOGI(...) ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef ALOGI_IF +#define ALOGI_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send a warning log message using the current LOG_TAG. + */ +#ifndef ALOGW +#define ALOGW(...) ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef ALOGW_IF +#define ALOGW_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an error log message using the current LOG_TAG. + */ +#ifndef ALOGE +#define ALOGE(...) ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef ALOGE_IF +#define ALOGE_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +// --------------------------------------------------------------------- + +/* + * Conditional based on whether the current LOG_TAG is enabled at + * verbose priority. + */ +#ifndef IF_ALOGV +#if LOG_NDEBUG +#define IF_ALOGV() if (false) +#else +#define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG) +#endif +#endif + +/* + * Conditional based on whether the current LOG_TAG is enabled at + * debug priority. + */ +#ifndef IF_ALOGD +#define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG) +#endif + +/* + * Conditional based on whether the current LOG_TAG is enabled at + * info priority. + */ +#ifndef IF_ALOGI +#define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG) +#endif + +/* + * Conditional based on whether the current LOG_TAG is enabled at + * warn priority. + */ +#ifndef IF_ALOGW +#define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG) +#endif + +/* + * Conditional based on whether the current LOG_TAG is enabled at + * error priority. + */ +#ifndef IF_ALOGE +#define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG) +#endif + + +// --------------------------------------------------------------------- + +/* + * Simplified macro to send a verbose system log message using the current LOG_TAG. + */ +#ifndef SLOGV +#if LOG_NDEBUG +#define SLOGV(...) ((void)0) +#else +#define SLOGV(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) +#endif +#endif + +#define CONDITION(cond) (__builtin_expect((cond)!=0, 0)) + +#ifndef SLOGV_IF +#if LOG_NDEBUG +#define SLOGV_IF(cond, ...) ((void)0) +#else +#define SLOGV_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif +#endif + +/* + * Simplified macro to send a debug system log message using the current LOG_TAG. + */ +#ifndef SLOGD +#define SLOGD(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGD_IF +#define SLOGD_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an info system log message using the current LOG_TAG. + */ +#ifndef SLOGI +#define SLOGI(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGI_IF +#define SLOGI_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send a warning system log message using the current LOG_TAG. + */ +#ifndef SLOGW +#define SLOGW(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGW_IF +#define SLOGW_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + +/* + * Simplified macro to send an error system log message using the current LOG_TAG. + */ +#ifndef SLOGE +#define SLOGE(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) +#endif + +#ifndef SLOGE_IF +#define SLOGE_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) \ + : (void)0 ) +#endif + + + +// --------------------------------------------------------------------- + +/* + * Log a fatal error. If the given condition fails, this stops program + * execution like a normal assertion, but also generating the given message. + * It is NOT stripped from release builds. Note that the condition test + * is -inverted- from the normal assert() semantics. + */ +#ifndef LOG_ALWAYS_FATAL_IF +#define LOG_ALWAYS_FATAL_IF(cond, ...) \ + ( (CONDITION(cond)) \ + ? ((void)android_printAssert(#cond, LOG_TAG, ## __VA_ARGS__)) \ + : (void)0 ) +#endif + +#ifndef LOG_ALWAYS_FATAL +#define LOG_ALWAYS_FATAL(...) \ + ( ((void)android_printAssert(NULL, LOG_TAG, ## __VA_ARGS__)) ) +#endif + +/* + * Versions of LOG_ALWAYS_FATAL_IF and LOG_ALWAYS_FATAL that + * are stripped out of release builds. + */ +#if LOG_NDEBUG + +#ifndef LOG_FATAL_IF +#define LOG_FATAL_IF(cond, ...) ((void)0) +#endif +#ifndef LOG_FATAL +#define LOG_FATAL(...) ((void)0) +#endif + +#else + +#ifndef LOG_FATAL_IF +#define LOG_FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ## __VA_ARGS__) +#endif +#ifndef LOG_FATAL +#define LOG_FATAL(...) LOG_ALWAYS_FATAL(__VA_ARGS__) +#endif + +#endif + +/* + * Assertion that generates a log message when the assertion fails. + * Stripped out of release builds. Uses the current LOG_TAG. + */ +#ifndef ALOG_ASSERT +#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ## __VA_ARGS__) +//#define ALOG_ASSERT(cond) LOG_FATAL_IF(!(cond), "Assertion failed: " #cond) +#endif + +// --------------------------------------------------------------------- + +/* + * Basic log message macro. + * + * Example: + * ALOG(LOG_WARN, NULL, "Failed with error %d", errno); + * + * The second argument may be NULL or "" to indicate the "global" tag. + */ +#ifndef ALOG +#define ALOG(priority, tag, ...) \ + LOG_PRI(ANDROID_##priority, tag, __VA_ARGS__) +#endif + +/* + * Log macro that allows you to specify a number for the priority. + */ +#ifndef LOG_PRI +#define LOG_PRI(priority, tag, ...) \ + android_printLog(priority, tag, __VA_ARGS__) +#endif + +/* + * Log macro that allows you to pass in a varargs ("args" is a va_list). + */ +#ifndef LOG_PRI_VA +#define LOG_PRI_VA(priority, tag, fmt, args) \ + android_vprintLog(priority, NULL, tag, fmt, args) +#endif + +/* + * Conditional given a desired logging priority and tag. + */ +#ifndef IF_ALOG +#define IF_ALOG(priority, tag) \ + if (android_testLog(ANDROID_##priority, tag)) +#endif + +// --------------------------------------------------------------------- + +/* + * Event logging. + */ + +/* + * Event log entry types. These must match up with the declarations in + * java/android/android/util/EventLog.java. + */ +typedef enum { + EVENT_TYPE_INT = 0, + EVENT_TYPE_LONG = 1, + EVENT_TYPE_STRING = 2, + EVENT_TYPE_LIST = 3, +} AndroidEventLogType; + + +#ifndef LOG_EVENT_INT +#define LOG_EVENT_INT(_tag, _value) { \ + int intBuf = _value; \ + (void) android_btWriteLog(_tag, EVENT_TYPE_INT, &intBuf, \ + sizeof(intBuf)); \ + } +#endif +#ifndef LOG_EVENT_LONG +#define LOG_EVENT_LONG(_tag, _value) { \ + long long longBuf = _value; \ + (void) android_btWriteLog(_tag, EVENT_TYPE_LONG, &longBuf, \ + sizeof(longBuf)); \ + } +#endif +#ifndef LOG_EVENT_STRING +#define LOG_EVENT_STRING(_tag, _value) \ + ((void) 0) /* not implemented -- must combine len with string */ +#endif +/* TODO: something for LIST */ + +/* + * =========================================================================== + * + * The stuff in the rest of this file should not be used directly. + */ + +#define android_printLog(prio, tag, fmt...) \ + __android_log_print(prio, tag, fmt) + +#define android_vprintLog(prio, cond, tag, fmt...) \ + __android_log_vprint(prio, tag, fmt) + +/* XXX Macros to work around syntax errors in places where format string + * arg is not passed to ALOG_ASSERT, LOG_ALWAYS_FATAL or LOG_ALWAYS_FATAL_IF + * (happens only in debug builds). + */ + +/* Returns 2nd arg. Used to substitute default value if caller's vararg list + * is empty. + */ +#define __android_second(dummy, second, ...) second + +/* If passed multiple args, returns ',' followed by all but 1st arg, otherwise + * returns nothing. + */ +#define __android_rest(first, ...) , ## __VA_ARGS__ + +#define android_printAssert(cond, tag, fmt...) \ + __android_log_assert(cond, tag, \ + __android_second(0, ## fmt, NULL) __android_rest(fmt)) + +#define android_writeLog(prio, tag, text) \ + __android_log_write(prio, tag, text) + +#define android_bWriteLog(tag, payload, len) \ + __android_log_bwrite(tag, payload, len) +#define android_btWriteLog(tag, type, payload, len) \ + __android_log_btwrite(tag, type, payload, len) + +// TODO: remove these prototypes and their users +#define android_testLog(prio, tag) (1) +#define android_writevLog(vec,num) do{}while(0) +#define android_write1Log(str,len) do{}while (0) +#define android_setMinPriority(tag, prio) do{}while(0) +//#define android_logToCallback(func) do{}while(0) +#define android_logToFile(tag, file) (0) +#define android_logToFd(tag, fd) (0) + +typedef enum { + LOG_ID_MAIN = 0, + LOG_ID_RADIO = 1, + LOG_ID_EVENTS = 2, + LOG_ID_SYSTEM = 3, + + LOG_ID_MAX +} log_id_t; + +/* + * Send a simple string to the log. + */ +int __android_log_buf_write(int bufID, int prio, const char *tag, const char *text); +int __android_log_buf_print(int bufID, int prio, const char *tag, const char *fmt, ...); + + +#ifdef __cplusplus +} +#endif + +#endif // _LIBS_CUTILS_LOG_H diff --git a/cutils/logd.h b/cutils/logd.h new file mode 100644 index 0000000..8737639 --- /dev/null +++ b/cutils/logd.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _ANDROID_CUTILS_LOGD_H +#define _ANDROID_CUTILS_LOGD_H + +/* the stable/frozen log-related definitions have been + * moved to this header, which is exposed by the NDK + */ +#include + +/* the rest is only used internally by the system */ +#include +#include +#include +#include +#include +#ifdef HAVE_PTHREADS +#include +#endif +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +int __android_log_bwrite(int32_t tag, const void *payload, size_t len); +int __android_log_btwrite(int32_t tag, char type, const void *payload, + size_t len); + +#ifdef __cplusplus +} +#endif + +#endif /* _LOGD_H */ diff --git a/cutils/logger.h b/cutils/logger.h new file mode 100644 index 0000000..6a3f1dc --- /dev/null +++ b/cutils/logger.h @@ -0,0 +1,81 @@ +/* utils/logger.h +** +** Copyright 2007, The Android Open Source Project +** +** This file is dual licensed. It may be redistributed and/or modified +** under the terms of the Apache 2.0 License OR version 2 of the GNU +** General Public License. +*/ + +#ifndef _UTILS_LOGGER_H +#define _UTILS_LOGGER_H + +#include + +/* + * The userspace structure for version 1 of the logger_entry ABI. + * This structure is returned to userspace by the kernel logger + * driver unless an upgrade to a newer ABI version is requested. + */ +struct logger_entry { + uint16_t len; /* length of the payload */ + uint16_t __pad; /* no matter what, we get 2 bytes of padding */ + int32_t pid; /* generating process's pid */ + int32_t tid; /* generating process's tid */ + int32_t sec; /* seconds since Epoch */ + int32_t nsec; /* nanoseconds */ + char msg[0]; /* the entry's payload */ +}; + +/* + * The userspace structure for version 2 of the logger_entry ABI. + * This structure is returned to userspace if ioctl(LOGGER_SET_VERSION) + * is called with version==2 + */ +struct logger_entry_v2 { + uint16_t len; /* length of the payload */ + uint16_t hdr_size; /* sizeof(struct logger_entry_v2) */ + int32_t pid; /* generating process's pid */ + int32_t tid; /* generating process's tid */ + int32_t sec; /* seconds since Epoch */ + int32_t nsec; /* nanoseconds */ + uint32_t euid; /* effective UID of logger */ + char msg[0]; /* the entry's payload */ +}; + +#define LOGGER_LOG_MAIN "alog/main" +#define LOGGER_LOG_RADIO "alog/radio" +#define LOGGER_LOG_EVENTS "alog/events" +#define LOGGER_LOG_SYSTEM "alog/system" + +/* + * The maximum size of the log entry payload that can be + * written to the kernel logger driver. An attempt to write + * more than this amount to /dev/log/* will result in a + * truncated log entry. + */ +#define LOGGER_ENTRY_MAX_PAYLOAD 4076 + +/* + * The maximum size of a log entry which can be read from the + * kernel logger driver. An attempt to read less than this amount + * may result in read() returning EINVAL. + */ +#define LOGGER_ENTRY_MAX_LEN (5*1024) + +#ifdef HAVE_IOCTL + +#include + +#define __LOGGERIO 0xAE + +#define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */ +#define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */ +#define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */ +#define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */ +#define LOGGER_GET_VERSION _IO(__LOGGERIO, 5) /* abi version */ +#define LOGGER_SET_VERSION _IO(__LOGGERIO, 6) /* abi version */ + +#endif // HAVE_IOCTL + +#endif /* _UTILS_LOGGER_H */ diff --git a/cutils/logprint.h b/cutils/logprint.h new file mode 100644 index 0000000..d92faa5 --- /dev/null +++ b/cutils/logprint.h @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _LOGPRINT_H +#define _LOGPRINT_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + FORMAT_OFF = 0, + FORMAT_BRIEF, + FORMAT_PROCESS, + FORMAT_TAG, + FORMAT_THREAD, + FORMAT_RAW, + FORMAT_TIME, + FORMAT_THREADTIME, + FORMAT_LONG, +} AndroidLogPrintFormat; + +typedef enum { + OUTPUT_COLOR_ON = 0, + OUTPUT_COLOR_OFF, +} AndroidLogColoredOutput; + +typedef struct AndroidLogFormat_t AndroidLogFormat; + +typedef struct AndroidLogEntry_t { + time_t tv_sec; + long tv_nsec; + android_LogPriority priority; + int32_t pid; + int32_t tid; + const char * tag; + size_t messageLen; + const char * message; +} AndroidLogEntry; + +AndroidLogFormat *android_log_format_new(); + +void android_log_format_free(AndroidLogFormat *p_format); + +void android_log_setPrintFormat(AndroidLogFormat *p_format, + AndroidLogPrintFormat format); + +void android_log_setColoredOutput(AndroidLogFormat *p_format); + +/** + * Returns FORMAT_OFF on invalid string + */ +AndroidLogPrintFormat android_log_formatFromString(const char *s); + +/** + * filterExpression: a single filter expression + * eg "AT:d" + * + * returns 0 on success and -1 on invalid expression + * + * Assumes single threaded execution + * + */ + +int android_log_addFilterRule(AndroidLogFormat *p_format, + const char *filterExpression); + + +/** + * filterString: a whitespace-separated set of filter expressions + * eg "AT:d *:i" + * + * returns 0 on success and -1 on invalid expression + * + * Assumes single threaded execution + * + */ + +int android_log_addFilterString(AndroidLogFormat *p_format, + const char *filterString); + + +/** + * returns 1 if this log line should be printed based on its priority + * and tag, and 0 if it should not + */ +int android_log_shouldPrintLine ( + AndroidLogFormat *p_format, const char *tag, android_LogPriority pri); + + +/** + * Splits a wire-format buffer into an AndroidLogEntry + * entry allocated by caller. Pointers will point directly into buf + * + * Returns 0 on success and -1 on invalid wire format (entry will be + * in unspecified state) + */ +int android_log_processLogBuffer(struct logger_entry *buf, + AndroidLogEntry *entry); + +/** + * Like android_log_processLogBuffer, but for binary logs. + * + * If "map" is non-NULL, it will be used to convert the log tag number + * into a string. + */ +int android_log_processBinaryLogBuffer(struct logger_entry *buf, + AndroidLogEntry *entry, const EventTagMap* map, char* messageBuf, + int messageBufLen); + + +/** + * Formats a log message into a buffer + * + * Uses defaultBuffer if it can, otherwise malloc()'s a new buffer + * If return value != defaultBuffer, caller must call free() + * Returns NULL on malloc error + */ + +char *android_log_formatLogLine ( + AndroidLogFormat *p_format, + char *defaultBuffer, + size_t defaultBufferSize, + const AndroidLogEntry *p_line, + size_t *p_outLength); + + +/** + * Either print or do not print log line, based on filter + * + * Assumes single threaded execution + * + */ +int android_log_printLogLine( + AndroidLogFormat *p_format, + int fd, + const AndroidLogEntry *entry); + + +#ifdef __cplusplus +} +#endif + + +#endif /*_LOGPRINT_H*/ diff --git a/cutils/memory.h b/cutils/memory.h new file mode 100644 index 0000000..e725cdd --- /dev/null +++ b/cutils/memory.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_CUTILS_MEMORY_H +#define ANDROID_CUTILS_MEMORY_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* size is given in bytes and must be multiple of 2 */ +void android_memset16(uint16_t* dst, uint16_t value, size_t size); + +/* size is given in bytes and must be multiple of 4 */ +void android_memset32(uint32_t* dst, uint32_t value, size_t size); + +#if !HAVE_STRLCPY +/* Declaration of strlcpy() for platforms that don't already have it. */ +size_t strlcpy(char *dst, const char *src, size_t size); +#endif + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // ANDROID_CUTILS_MEMORY_H diff --git a/cutils/misc.h b/cutils/misc.h new file mode 100644 index 0000000..2c48dfa --- /dev/null +++ b/cutils/misc.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_MISC_H +#define __CUTILS_MISC_H + +#ifdef __cplusplus +extern "C" { +#endif + + /* Load an entire file into a malloc'd chunk of memory + * that is length_of_file + 1 (null terminator). If + * sz is non-zero, return the size of the file via sz. + * Returns 0 on failure. + */ +extern void *load_file(const char *fn, unsigned *sz); + + /* Connects your process to the system debugger daemon + * so that on a crash it may be logged or interactively + * debugged (depending on system settings). + */ +extern void debuggerd_connect(void); + + + /* This is the range of UIDs (and GIDs) that are reserved + * for assigning to applications. + */ +#define FIRST_APPLICATION_UID 10000 +#define LAST_APPLICATION_UID 99999 + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_MISC_H */ diff --git a/cutils/mq.h b/cutils/mq.h new file mode 100644 index 0000000..b27456d --- /dev/null +++ b/cutils/mq.h @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * IPC messaging library. + */ + +#ifndef __MQ_H +#define __MQ_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** A message. */ +typedef struct MqMessage MqMessage; + +/** A destination to which messages can be sent. */ +typedef struct MqDestination MqDestination; + +/* Array of bytes. */ +typedef struct MqBytes MqBytes; + +/** + * Hears messages. + * + * @param destination to which the message was sent + * @param message the message to hear + */ +typedef void MqMessageListener(MqDestination* destination, MqMessage* message); + +/** + * Hears a destination close. + * + * @param destination that closed + */ +typedef void MqCloseListener(MqDestination* destination); + +/** Message functions. */ + +/** + * Creates a new Message. + * + * @param header as defined by user + * @param body as defined by user + * @param replyTo destination to which replies should be sent, NULL if none + */ +MqMessage* mqCreateMessage(MqBytes header, MqBytes body, + MqDestination* replyTo); + +/** Sends a message to a destination. */ +void mqSendMessage(MqMessage* message, MqDestination* destination); + +/** Destination functions. */ + +/** + * Creates a new destination. Acquires a reference implicitly. + * + * @param messageListener function to call when a message is recieved + * @param closeListener function to call when the destination closes + * @param userData user-specific data to associate with the destination. + * Retrieve using mqGetDestinationUserData(). + */ +MqDestination* mqCreateDestination(MqMessageListener* messageListener, + MqCloseListener* closeListener, void* userData); + +/** + * Gets user data which was associated with the given destination at + * construction time. + * + * It is only valid to call this function in the same process that the + * given destination was created in. + * This function returns a null pointer if you call it on a destination + * created in a remote process. + */ +void* mqGetUserData(MqDestination* destination); + +/** + * Returns 1 if the destination was created in this process, or 0 if + * the destination was created in a different process, in which case you have + * a remote stub. + */ +int mqIsDestinationLocal(MqDestination* destination); + +/** + * Increments the destination's reference count. + */ +void mqKeepDestination(MqDesintation* destination); + +/** + * Decrements the destination's reference count. + */ +void mqFreeDestination(MqDestination* desintation); + +/** Registry API. */ + +/** + * Gets the destination bound to a name. + */ +MqDestination* mqGetDestination(char* name); + +/** + * Binds a destination to a name. + */ +void mqPutDestination(char* name, MqDestination* desintation); + +#ifdef __cplusplus +} +#endif + +#endif /* __MQ_H */ diff --git a/cutils/multiuser.h b/cutils/multiuser.h new file mode 100644 index 0000000..635ddb1 --- /dev/null +++ b/cutils/multiuser.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_MULTIUSER_H +#define __CUTILS_MULTIUSER_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +// NOTE: keep in sync with android.os.UserId + +#define MULTIUSER_APP_PER_USER_RANGE 100000 + +typedef uid_t userid_t; +typedef uid_t appid_t; + +extern userid_t multiuser_get_user_id(uid_t uid); +extern appid_t multiuser_get_app_id(uid_t uid); +extern uid_t multiuser_get_uid(userid_t userId, appid_t appId); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_MULTIUSER_H */ diff --git a/cutils/native_handle.h b/cutils/native_handle.h new file mode 100644 index 0000000..268c5d3 --- /dev/null +++ b/cutils/native_handle.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef NATIVE_HANDLE_H_ +#define NATIVE_HANDLE_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct native_handle +{ + int version; /* sizeof(native_handle_t) */ + int numFds; /* number of file-descriptors at &data[0] */ + int numInts; /* number of ints at &data[numFds] */ + int data[0]; /* numFds + numInts ints */ +} native_handle_t; + +/* + * native_handle_close + * + * closes the file descriptors contained in this native_handle_t + * + * return 0 on success, or a negative error code on failure + * + */ +int native_handle_close(const native_handle_t* h); + + +/* + * native_handle_create + * + * creates a native_handle_t and initializes it. must be destroyed with + * native_handle_delete(). + * + */ +native_handle_t* native_handle_create(int numFds, int numInts); + +/* + * native_handle_delete + * + * frees a native_handle_t allocated with native_handle_create(). + * This ONLY frees the memory allocated for the native_handle_t, but doesn't + * close the file descriptors; which can be achieved with native_handle_close(). + * + * return 0 on success, or a negative error code on failure + * + */ +int native_handle_delete(native_handle_t* h); + + +#ifdef __cplusplus +} +#endif + +#endif /* NATIVE_HANDLE_H_ */ diff --git a/cutils/open_memstream.h b/cutils/open_memstream.h new file mode 100644 index 0000000..b7998be --- /dev/null +++ b/cutils/open_memstream.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_OPEN_MEMSTREAM_H__ +#define __CUTILS_OPEN_MEMSTREAM_H__ + +#include + +#ifndef HAVE_OPEN_MEMSTREAM + +#ifdef __cplusplus +extern "C" { +#endif + +FILE* open_memstream(char** bufp, size_t* sizep); + +#ifdef __cplusplus +} +#endif + +#endif /*!HAVE_OPEN_MEMSTREAM*/ + +#endif /*__CUTILS_OPEN_MEMSTREAM_H__*/ diff --git a/cutils/partition_utils.h b/cutils/partition_utils.h new file mode 100644 index 0000000..597df92 --- /dev/null +++ b/cutils/partition_utils.h @@ -0,0 +1,27 @@ +/* + * Copyright 2011, The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_PARTITION_WIPED_H__ +#define __CUTILS_PARTITION_WIPED_H__ + +__BEGIN_DECLS + +int partition_wiped(char *source); +void erase_footer(const char *dev_path, long long size); + +__END_DECLS + +#endif /* __CUTILS_PARTITION_WIPED_H__ */ diff --git a/cutils/process_name.h b/cutils/process_name.h new file mode 100644 index 0000000..1e72e5c --- /dev/null +++ b/cutils/process_name.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Gives the current process a name. + */ + +#ifndef __PROCESS_NAME_H +#define __PROCESS_NAME_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Sets the current process name. + * + * Warning: This leaks a string every time you call it. Use judiciously! + */ +void set_process_name(const char* process_name); + +/** Gets the current process name. */ +const char* get_process_name(void); + +#ifdef __cplusplus +} +#endif + +#endif /* __PROCESS_NAME_H */ diff --git a/cutils/properties.h b/cutils/properties.h new file mode 100644 index 0000000..8589afc --- /dev/null +++ b/cutils/properties.h @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_PROPERTIES_H +#define __CUTILS_PROPERTIES_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* System properties are *small* name value pairs managed by the +** property service. If your data doesn't fit in the provided +** space it is not appropriate for a system property. +** +** WARNING: system/bionic/include/sys/system_properties.h also defines +** these, but with different names. (TODO: fix that) +*/ +#define PROPERTY_KEY_MAX 32 +#define PROPERTY_VALUE_MAX 92 + +/* property_get: returns the length of the value which will never be +** greater than PROPERTY_VALUE_MAX - 1 and will always be zero terminated. +** (the length does not include the terminating zero). +** +** If the property read fails or returns an empty value, the default +** value is used (if nonnull). +*/ +int property_get(const char *key, char *value, const char *default_value); + +/* property_set: returns 0 on success, < 0 on failure +*/ +int property_set(const char *key, const char *value); + +/* property_set_sync: returns 0 on success, < 0 on failure +** +** symbol needed for Motorola RILs. Calls property_set +*/ +int property_set_sync(const char *key, const char *value); + +int property_list(void (*propfn)(const char *key, const char *value, void *cookie), void *cookie); + + +#ifdef HAVE_SYSTEM_PROPERTY_SERVER +/* + * We have an external property server instead of built-in libc support. + * Used by the simulator. + */ +#define SYSTEM_PROPERTY_PIPE_NAME "/tmp/android-sysprop" + +enum { + kSystemPropertyUnknown = 0, + kSystemPropertyGet, + kSystemPropertySet, + kSystemPropertyList +}; +#endif /*HAVE_SYSTEM_PROPERTY_SERVER*/ + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/cutils/qsort_r_compat.h b/cutils/qsort_r_compat.h new file mode 100644 index 0000000..479a1ab --- /dev/null +++ b/cutils/qsort_r_compat.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * Provides a portable version of qsort_r, called qsort_r_compat, which is a + * reentrant variant of qsort that passes a user data pointer to its comparator. + * This implementation follows the BSD parameter convention. + */ + +#ifndef _LIBS_CUTILS_QSORT_R_COMPAT_H +#define _LIBS_CUTILS_QSORT_R_COMPAT_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +void qsort_r_compat(void* base, size_t nel, size_t width, void* thunk, + int (*compar)(void*, const void* , const void* )); + +#ifdef __cplusplus +} +#endif + +#endif // _LIBS_CUTILS_QSORT_R_COMPAT_H diff --git a/cutils/qtaguid.h b/cutils/qtaguid.h new file mode 100644 index 0000000..f8550fd --- /dev/null +++ b/cutils/qtaguid.h @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_QTAGUID_H +#define __CUTILS_QTAGUID_H + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Set tags (and owning UIDs) for network sockets. +*/ +extern int qtaguid_tagSocket(int sockfd, int tag, uid_t uid); + +/* + * Untag a network socket before closing. +*/ +extern int qtaguid_untagSocket(int sockfd); + +/* + * For the given uid, switch counter sets. + * The kernel only keeps a limited number of sets. + * 2 for now. + */ +extern int qtaguid_setCounterSet(int counterSetNum, uid_t uid); + +/* + * Delete all tag info that relates to the given tag an uid. + * If the tag is 0, then ALL info about the uid is freeded. + * The delete data also affects active tagged socketd, which are + * then untagged. + * The calling process can only operate on its own tags. + * Unless it is part of the happy AID_NET_BW_ACCT group. + * In which case it can clobber everything. + */ +extern int qtaguid_deleteTagData(int tag, uid_t uid); + +/* + * Enable/disable qtaguid functionnality at a lower level. + * When pacified, the kernel will accept commands but do nothing. + */ +extern int qtaguid_setPacifier(int on); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_QTAG_UID_H */ diff --git a/cutils/record_stream.h b/cutils/record_stream.h new file mode 100644 index 0000000..bfac87a --- /dev/null +++ b/cutils/record_stream.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * A simple utility for reading fixed records out of a stream fd + */ + +#ifndef _CUTILS_RECORD_STREAM_H +#define _CUTILS_RECORD_STREAM_H + +#ifdef __cplusplus +extern "C" { +#endif + + +typedef struct RecordStream RecordStream; + +extern RecordStream *record_stream_new(int fd, size_t maxRecordLen); +extern void record_stream_free(RecordStream *p_rs); + +extern int record_stream_get_next (RecordStream *p_rs, void ** p_outRecord, + size_t *p_outRecordLen); + +#ifdef __cplusplus +} +#endif + + +#endif /*_CUTILS_RECORD_STREAM_H*/ + diff --git a/cutils/sched_policy.h b/cutils/sched_policy.h new file mode 100644 index 0000000..ba84ce3 --- /dev/null +++ b/cutils/sched_policy.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_SCHED_POLICY_H +#define __CUTILS_SCHED_POLICY_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Keep in sync with THREAD_GROUP_* in frameworks/base/core/java/android/os/Process.java */ +typedef enum { + SP_DEFAULT = -1, + SP_BACKGROUND = 0, + SP_FOREGROUND = 1, + SP_SYSTEM = 2, // can't be used with set_sched_policy() + SP_AUDIO_APP = 3, + SP_AUDIO_SYS = 4, + SP_CNT, + SP_MAX = SP_CNT - 1, + SP_SYSTEM_DEFAULT = SP_FOREGROUND, +} SchedPolicy; + +/* Assign thread tid to the cgroup associated with the specified policy. + * If the thread is a thread group leader, that is it's gettid() == getpid(), + * then the other threads in the same thread group are _not_ affected. + * On platforms which support gettid(), zero tid means current thread. + * Return value: 0 for success, or -errno for error. + */ +extern int set_sched_policy(int tid, SchedPolicy policy); + +/* Return the policy associated with the cgroup of thread tid via policy pointer. + * On platforms which support gettid(), zero tid means current thread. + * Return value: 0 for success, or -1 for error and set errno. + */ +extern int get_sched_policy(int tid, SchedPolicy *policy); + +/* Return a displayable string corresponding to policy. + * Return value: non-NULL NUL-terminated name of unspecified length; + * the caller is responsible for displaying the useful part of the string. + */ +extern const char *get_sched_policy_name(SchedPolicy policy); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_SCHED_POLICY_H */ diff --git a/cutils/selector.h b/cutils/selector.h new file mode 100644 index 0000000..dfc2a9d --- /dev/null +++ b/cutils/selector.h @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * Framework for multiplexing I/O. A selector manages a set of file + * descriptors and calls out to user-provided callback functions to read and + * write data and handle errors. + */ + +#ifndef __SELECTOR_H +#define __SELECTOR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/** + * Manages SelectableFds and invokes their callbacks at appropriate times. + */ +typedef struct Selector Selector; + +/** + * A selectable descriptor. Contains callbacks which the selector can invoke + * before calling select(), when the descriptor is readable or writable, and + * when the descriptor contains out-of-band data. Simply set a callback to + * NULL if you're not interested in that particular event. + * + * A selectable descriptor can indicate that it needs to be removed from the + * selector by setting the 'remove' flag. The selector will remove the + * descriptor at a later time and invoke the onRemove() callback. + * + * SelectableFd fields should only be modified from the selector loop. + */ +typedef struct SelectableFd SelectableFd; +struct SelectableFd { + + /** The file descriptor itself. */ + int fd; + + /** Pointer to user-specific data. Can be NULL. */ + void* data; + + /** + * Set this flag when you no longer wish to be selected. The selector + * will invoke onRemove() when the descriptor is actually removed. + */ + bool remove; + + /** + * Invoked by the selector before calling select. You can set up other + * callbacks from here as necessary. + */ + void (*beforeSelect)(SelectableFd* self); + + /** + * Invoked by the selector when the descriptor has data available. Set to + * NULL to indicate that you're not interested in reading. + */ + void (*onReadable)(SelectableFd* self); + + /** + * Invoked by the selector when the descriptor can accept data. Set to + * NULL to indicate that you're not interested in writing. + */ + void (*onWritable)(SelectableFd* self); + + /** + * Invoked by the selector when out-of-band (OOB) data is available. Set to + * NULL to indicate that you're not interested in OOB data. + */ + void (*onExcept)(SelectableFd* self); + + /** + * Invoked by the selector after the descriptor is removed from the + * selector but before the selector frees the SelectableFd memory. + */ + void (*onRemove)(SelectableFd* self); + + /** + * The selector which selected this fd. Set by the selector itself. + */ + Selector* selector; +}; + +/** + * Creates a new selector. + */ +Selector* selectorCreate(void); + +/** + * Creates a new selectable fd, adds it to the given selector and returns a + * pointer. Outside of 'selector' and 'fd', all fields are set to 0 or NULL + * by default. + * + * The selectable fd should only be modified from the selector loop thread. + */ +SelectableFd* selectorAdd(Selector* selector, int fd); + +/** + * Wakes up the selector even though no I/O events occurred. Use this + * to indicate that you're ready to write to a descriptor. + */ +void selectorWakeUp(Selector* selector); + +/** + * Loops continuously selecting file descriptors and firing events. + * Does not return. + */ +void selectorLoop(Selector* selector); + +#ifdef __cplusplus +} +#endif + +#endif /* __SELECTOR_H */ diff --git a/cutils/sockets.h b/cutils/sockets.h new file mode 100644 index 0000000..19cae0c --- /dev/null +++ b/cutils/sockets.h @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_SOCKETS_H +#define __CUTILS_SOCKETS_H + +#include +#include +#include +#include + +#ifdef HAVE_WINSOCK +#include +typedef int socklen_t; +#elif HAVE_SYS_SOCKET_H +#include +#endif + +#define ANDROID_SOCKET_ENV_PREFIX "ANDROID_SOCKET_" +#define ANDROID_SOCKET_DIR "/dev/socket" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * android_get_control_socket - simple helper function to get the file + * descriptor of our init-managed Unix domain socket. `name' is the name of the + * socket, as given in init.rc. Returns -1 on error. + * + * This is inline and not in libcutils proper because we want to use this in + * third-party daemons with minimal modification. + */ +static inline int android_get_control_socket(const char *name) +{ + char key[64] = ANDROID_SOCKET_ENV_PREFIX; + const char *val; + int fd; + + /* build our environment variable, counting cycles like a wolf ... */ +#if HAVE_STRLCPY + strlcpy(key + sizeof(ANDROID_SOCKET_ENV_PREFIX) - 1, + name, + sizeof(key) - sizeof(ANDROID_SOCKET_ENV_PREFIX)); +#else /* for the host, which may lack the almightly strncpy ... */ + strncpy(key + sizeof(ANDROID_SOCKET_ENV_PREFIX) - 1, + name, + sizeof(key) - sizeof(ANDROID_SOCKET_ENV_PREFIX)); + key[sizeof(key)-1] = '\0'; +#endif + + val = getenv(key); + if (!val) + return -1; + + errno = 0; + fd = strtol(val, NULL, 10); + if (errno) + return -1; + + return fd; +} + +/* + * See also android.os.LocalSocketAddress.Namespace + */ +// Linux "abstract" (non-filesystem) namespace +#define ANDROID_SOCKET_NAMESPACE_ABSTRACT 0 +// Android "reserved" (/dev/socket) namespace +#define ANDROID_SOCKET_NAMESPACE_RESERVED 1 +// Normal filesystem namespace +#define ANDROID_SOCKET_NAMESPACE_FILESYSTEM 2 + +extern int socket_loopback_client(int port, int type); +extern int socket_network_client(const char *host, int port, int type); +extern int socket_loopback_server(int port, int type); +extern int socket_local_server(const char *name, int namespaceId, int type); +extern int socket_local_server_bind(int s, const char *name, int namespaceId); +extern int socket_local_client_connect(int fd, + const char *name, int namespaceId, int type); +extern int socket_local_client(const char *name, int namespaceId, int type); +extern int socket_inaddr_any_server(int port, int type); + +/* + * socket_peer_is_trusted - Takes a socket which is presumed to be a + * connected local socket (e.g. AF_LOCAL) and returns whether the peer + * (the userid that owns the process on the other end of that socket) + * is one of the two trusted userids, root or shell. + * + * Note: This only works as advertised on the Android OS and always + * just returns true when called on other operating systems. + */ +extern bool socket_peer_is_trusted(int fd); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_SOCKETS_H */ diff --git a/cutils/str_parms.h b/cutils/str_parms.h new file mode 100644 index 0000000..247c996 --- /dev/null +++ b/cutils/str_parms.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_STR_PARMS_H +#define __CUTILS_STR_PARMS_H + +#include + +struct str_parms; + +struct str_parms *str_parms_create(void); +struct str_parms *str_parms_create_str(const char *_string); +void str_parms_destroy(struct str_parms *str_parms); + +void str_parms_del(struct str_parms *str_parms, const char *key); + +int str_parms_add_str(struct str_parms *str_parms, const char *key, + const char *value); +int str_parms_add_int(struct str_parms *str_parms, const char *key, int value); + +int str_parms_add_float(struct str_parms *str_parms, const char *key, + float value); + +int str_parms_get_str(struct str_parms *str_parms, const char *key, + char *out_val, int len); +int str_parms_get_int(struct str_parms *str_parms, const char *key, + int *out_val); +int str_parms_get_float(struct str_parms *str_parms, const char *key, + float *out_val); + +char *str_parms_to_str(struct str_parms *str_parms); + +/* debug */ +void str_parms_dump(struct str_parms *str_parms); + +#endif /* __CUTILS_STR_PARMS_H */ diff --git a/cutils/threads.h b/cutils/threads.h new file mode 100644 index 0000000..acf8f48 --- /dev/null +++ b/cutils/threads.h @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _LIBS_CUTILS_THREADS_H +#define _LIBS_CUTILS_THREADS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***********************************************************************/ +/***********************************************************************/ +/***** *****/ +/***** local thread storage *****/ +/***** *****/ +/***********************************************************************/ +/***********************************************************************/ + +#ifdef HAVE_PTHREADS + +#include + +typedef struct { + pthread_mutex_t lock; + int has_tls; + pthread_key_t tls; + +} thread_store_t; + +#define THREAD_STORE_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, 0, 0 } + +#elif defined HAVE_WIN32_THREADS + +#include + +typedef struct { + int lock_init; + int has_tls; + DWORD tls; + CRITICAL_SECTION lock; + +} thread_store_t; + +#define THREAD_STORE_INITIALIZER { 0, 0, 0, {0, 0, 0, 0, 0, 0} } + +#else +# error "no thread_store_t implementation for your platform !!" +#endif + +typedef void (*thread_store_destruct_t)(void* value); + +extern void* thread_store_get(thread_store_t* store); + +extern void thread_store_set(thread_store_t* store, + void* value, + thread_store_destruct_t destroy); + +/***********************************************************************/ +/***********************************************************************/ +/***** *****/ +/***** mutexes *****/ +/***** *****/ +/***********************************************************************/ +/***********************************************************************/ + +#ifdef HAVE_PTHREADS + +typedef pthread_mutex_t mutex_t; + +#define MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER + +static __inline__ void mutex_lock(mutex_t* lock) +{ + pthread_mutex_lock(lock); +} +static __inline__ void mutex_unlock(mutex_t* lock) +{ + pthread_mutex_unlock(lock); +} +static __inline__ int mutex_init(mutex_t* lock) +{ + return pthread_mutex_init(lock, NULL); +} +static __inline__ void mutex_destroy(mutex_t* lock) +{ + pthread_mutex_destroy(lock); +} +#endif + +#ifdef HAVE_WIN32_THREADS +typedef struct { + int init; + CRITICAL_SECTION lock[1]; +} mutex_t; + +#define MUTEX_INITIALIZER { 0, {{ NULL, 0, 0, NULL, NULL, 0 }} } + +static __inline__ void mutex_lock(mutex_t* lock) +{ + if (!lock->init) { + lock->init = 1; + InitializeCriticalSection( lock->lock ); + lock->init = 2; + } else while (lock->init != 2) + Sleep(10); + + EnterCriticalSection(lock->lock); +} + +static __inline__ void mutex_unlock(mutex_t* lock) +{ + LeaveCriticalSection(lock->lock); +} +static __inline__ int mutex_init(mutex_t* lock) +{ + InitializeCriticalSection(lock->lock); + lock->init = 2; + return 0; +} +static __inline__ void mutex_destroy(mutex_t* lock) +{ + if (lock->init) { + lock->init = 0; + DeleteCriticalSection(lock->lock); + } +} +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBS_CUTILS_THREADS_H */ diff --git a/cutils/tztime.h b/cutils/tztime.h new file mode 100644 index 0000000..36ac25d --- /dev/null +++ b/cutils/tztime.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _CUTILS_TZTIME_H +#define _CUTILS_TZTIME_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +time_t mktime_tz(struct tm * const tmp, char const * tz); +void localtime_tz(const time_t * const timep, struct tm * tmp, const char* tz); + +#ifdef HAVE_ANDROID_OS + +/* the following is defined in the Bionic C library on Android, but the + * declarations are only available through a platform-private header + */ +#include + +#else /* !HAVE_ANDROID_OS */ + +struct strftime_locale { + const char *mon[12]; /* short names */ + const char *month[12]; /* long names */ + const char *standalone_month[12]; /* long standalone names */ + const char *wday[7]; /* short names */ + const char *weekday[7]; /* long names */ + const char *X_fmt; + const char *x_fmt; + const char *c_fmt; + const char *am; + const char *pm; + const char *date_fmt; +}; + +size_t strftime_tz(char *s, size_t max, const char *format, const struct tm *tm, const struct strftime_locale *locale); + +#endif /* !HAVE_ANDROID_OS */ + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_TZTIME_H */ + diff --git a/cutils/uevent.h b/cutils/uevent.h new file mode 100644 index 0000000..4cca7e5 --- /dev/null +++ b/cutils/uevent.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_UEVENT_H +#define __CUTILS_UEVENT_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +int uevent_open_socket(int buf_sz, bool passcred); +ssize_t uevent_kernel_multicast_recv(int socket, void *buffer, size_t length); +ssize_t uevent_kernel_multicast_uid_recv(int socket, void *buffer, size_t length, uid_t *uid); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_UEVENT_H */ diff --git a/cutils/uio.h b/cutils/uio.h new file mode 100644 index 0000000..01a74d2 --- /dev/null +++ b/cutils/uio.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +// implementation of sys/uio.h for platforms that don't have it (Win32) +// +#ifndef _LIBS_CUTILS_UIO_H +#define _LIBS_CUTILS_UIO_H + +#ifdef HAVE_SYS_UIO_H +#include +#else + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +struct iovec { + const void* iov_base; + size_t iov_len; +}; + +extern int readv( int fd, struct iovec* vecs, int count ); +extern int writev( int fd, const struct iovec* vecs, int count ); + +#ifdef __cplusplus +} +#endif + +#endif /* !HAVE_SYS_UIO_H */ + +#endif /* _LIBS_UTILS_UIO_H */ + diff --git a/cutils/zygote.h b/cutils/zygote.h new file mode 100644 index 0000000..22721a6 --- /dev/null +++ b/cutils/zygote.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __CUTILS_ZYGOTE_H +#define __CUTILS_ZYGOTE_H + +#ifdef __cplusplus +extern "C" { +#endif + +int zygote_run_oneshot(int sendStdio, int argc, const char **argv); +int zygote_run(int argc, const char **argv); +int zygote_run_wait(int argc, const char **argv, void (*post_run_func)(int)); + +#ifdef __cplusplus +} +#endif + +#endif /* __CUTILS_ZYGOTE_H */ diff --git a/hardware/audio.h b/hardware/audio.h new file mode 100644 index 0000000..3a0962e --- /dev/null +++ b/hardware/audio.h @@ -0,0 +1,453 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_HAL_INTERFACE_H +#define ANDROID_AUDIO_HAL_INTERFACE_H + +#include +#include +#include +#include + +#include + +#include +#include +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define AUDIO_HARDWARE_MODULE_ID "audio" + +/** + * Name of the audio devices to open + */ +#define AUDIO_HARDWARE_INTERFACE "audio_hw_if" + + +/* Use version 0.1 to be compatible with first generation of audio hw module with version_major + * hardcoded to 1. No audio module API change. + */ +#define AUDIO_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) +#define AUDIO_MODULE_API_VERSION_CURRENT AUDIO_MODULE_API_VERSION_0_1 + +/* First generation of audio devices had version hardcoded to 0. all devices with versions < 1.0 + * will be considered of first generation API. + */ +#define AUDIO_DEVICE_API_VERSION_0_0 HARDWARE_DEVICE_API_VERSION(0, 0) +#define AUDIO_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0) +#define AUDIO_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0) +#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_2_0 + +/** + * List of known audio HAL modules. This is the base name of the audio HAL + * library composed of the "audio." prefix, one of the base names below and + * a suffix specific to the device. + * e.g: audio.primary.goldfish.so or audio.a2dp.default.so + */ + +#define AUDIO_HARDWARE_MODULE_ID_PRIMARY "primary" +#define AUDIO_HARDWARE_MODULE_ID_A2DP "a2dp" +#define AUDIO_HARDWARE_MODULE_ID_USB "usb" +#define AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX "r_submix" + +/**************************************/ + +/** + * standard audio parameters that the HAL may need to handle + */ + +/** + * audio device parameters + */ + +/* BT SCO Noise Reduction + Echo Cancellation parameters */ +#define AUDIO_PARAMETER_KEY_BT_NREC "bt_headset_nrec" +#define AUDIO_PARAMETER_VALUE_ON "on" +#define AUDIO_PARAMETER_VALUE_OFF "off" + +/* TTY mode selection */ +#define AUDIO_PARAMETER_KEY_TTY_MODE "tty_mode" +#define AUDIO_PARAMETER_VALUE_TTY_OFF "tty_off" +#define AUDIO_PARAMETER_VALUE_TTY_VCO "tty_vco" +#define AUDIO_PARAMETER_VALUE_TTY_HCO "tty_hco" +#define AUDIO_PARAMETER_VALUE_TTY_FULL "tty_full" + +/* A2DP sink address set by framework */ +#define AUDIO_PARAMETER_A2DP_SINK_ADDRESS "a2dp_sink_address" + +/* Screen state */ +#define AUDIO_PARAMETER_KEY_SCREEN_STATE "screen_state" + +/** + * audio stream parameters + */ + +#define AUDIO_PARAMETER_STREAM_ROUTING "routing" // audio_devices_t +#define AUDIO_PARAMETER_STREAM_FORMAT "format" // audio_format_t +#define AUDIO_PARAMETER_STREAM_CHANNELS "channels" // audio_channel_mask_t +#define AUDIO_PARAMETER_STREAM_FRAME_COUNT "frame_count" // size_t +#define AUDIO_PARAMETER_STREAM_INPUT_SOURCE "input_source" // audio_source_t +#define AUDIO_PARAMETER_STREAM_SAMPLING_RATE "sampling_rate" // uint32_t + +/* Query supported formats. The response is a '|' separated list of strings from + * audio_format_t enum e.g: "sup_formats=AUDIO_FORMAT_PCM_16_BIT" */ +#define AUDIO_PARAMETER_STREAM_SUP_FORMATS "sup_formats" +/* Query supported channel masks. The response is a '|' separated list of strings from + * audio_channel_mask_t enum e.g: "sup_channels=AUDIO_CHANNEL_OUT_STEREO|AUDIO_CHANNEL_OUT_MONO" */ +#define AUDIO_PARAMETER_STREAM_SUP_CHANNELS "sup_channels" +/* Query supported sampling rates. The response is a '|' separated list of integer values e.g: + * "sup_sampling_rates=44100|48000" */ +#define AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES "sup_sampling_rates" + + +/**************************************/ + +/* common audio stream configuration parameters */ +struct audio_config { + uint32_t sample_rate; + audio_channel_mask_t channel_mask; + audio_format_t format; +}; + +typedef struct audio_config audio_config_t; + +/* common audio stream parameters and operations */ +struct audio_stream { + + /** + * Return the sampling rate in Hz - eg. 44100. + */ + uint32_t (*get_sample_rate)(const struct audio_stream *stream); + + /* currently unused - use set_parameters with key + * AUDIO_PARAMETER_STREAM_SAMPLING_RATE + */ + int (*set_sample_rate)(struct audio_stream *stream, uint32_t rate); + + /** + * Return size of input/output buffer in bytes for this stream - eg. 4800. + * It should be a multiple of the frame size. See also get_input_buffer_size. + */ + size_t (*get_buffer_size)(const struct audio_stream *stream); + + /** + * Return the channel mask - + * e.g. AUDIO_CHANNEL_OUT_STEREO or AUDIO_CHANNEL_IN_STEREO + */ + audio_channel_mask_t (*get_channels)(const struct audio_stream *stream); + + /** + * Return the audio format - e.g. AUDIO_FORMAT_PCM_16_BIT + */ + audio_format_t (*get_format)(const struct audio_stream *stream); + + /* currently unused - use set_parameters with key + * AUDIO_PARAMETER_STREAM_FORMAT + */ + int (*set_format)(struct audio_stream *stream, audio_format_t format); + + /** + * Put the audio hardware input/output into standby mode. + * Driver should exit from standby mode at the next I/O operation. + * Returns 0 on success and <0 on failure. + */ + int (*standby)(struct audio_stream *stream); + + /** dump the state of the audio input/output device */ + int (*dump)(const struct audio_stream *stream, int fd); + + /** Return the set of device(s) which this stream is connected to */ + audio_devices_t (*get_device)(const struct audio_stream *stream); + + /** + * Currently unused - set_device() corresponds to set_parameters() with key + * AUDIO_PARAMETER_STREAM_ROUTING for both input and output. + * AUDIO_PARAMETER_STREAM_INPUT_SOURCE is an additional information used by + * input streams only. + */ + int (*set_device)(struct audio_stream *stream, audio_devices_t device); + + /** + * set/get audio stream parameters. The function accepts a list of + * parameter key value pairs in the form: key1=value1;key2=value2;... + * + * Some keys are reserved for standard parameters (See AudioParameter class) + * + * If the implementation does not accept a parameter change while + * the output is active but the parameter is acceptable otherwise, it must + * return -ENOSYS. + * + * The audio flinger will put the stream in standby and then change the + * parameter value. + */ + int (*set_parameters)(struct audio_stream *stream, const char *kv_pairs); + + /* + * Returns a pointer to a heap allocated string. The caller is responsible + * for freeing the memory for it using free(). + */ + char * (*get_parameters)(const struct audio_stream *stream, + const char *keys); + int (*add_audio_effect)(const struct audio_stream *stream, + effect_handle_t effect); + int (*remove_audio_effect)(const struct audio_stream *stream, + effect_handle_t effect); +}; +typedef struct audio_stream audio_stream_t; + +/** + * audio_stream_out is the abstraction interface for the audio output hardware. + * + * It provides information about various properties of the audio output + * hardware driver. + */ + +struct audio_stream_out { + struct audio_stream common; + + /** + * Return the audio hardware driver estimated latency in milliseconds. + */ + uint32_t (*get_latency)(const struct audio_stream_out *stream); + + /** + * Use this method in situations where audio mixing is done in the + * hardware. This method serves as a direct interface with hardware, + * allowing you to directly set the volume as apposed to via the framework. + * This method might produce multiple PCM outputs or hardware accelerated + * codecs, such as MP3 or AAC. + */ + int (*set_volume)(struct audio_stream_out *stream, float left, float right); + + /** + * Write audio buffer to driver. Returns number of bytes written, or a + * negative status_t. If at least one frame was written successfully prior to the error, + * it is suggested that the driver return that successful (short) byte count + * and then return an error in the subsequent call. + */ + ssize_t (*write)(struct audio_stream_out *stream, const void* buffer, + size_t bytes); + + /* return the number of audio frames written by the audio dsp to DAC since + * the output has exited standby + */ + int (*get_render_position)(const struct audio_stream_out *stream, + uint32_t *dsp_frames); + + /** + * get the local time at which the next write to the audio driver will be presented. + * The units are microseconds, where the epoch is decided by the local audio HAL. + */ + int (*get_next_write_timestamp)(const struct audio_stream_out *stream, + int64_t *timestamp); + +}; +typedef struct audio_stream_out audio_stream_out_t; + +struct audio_stream_in { + struct audio_stream common; + + /** set the input gain for the audio driver. This method is for + * for future use */ + int (*set_gain)(struct audio_stream_in *stream, float gain); + + /** Read audio buffer in from audio driver. Returns number of bytes read, or a + * negative status_t. If at least one frame was read prior to the error, + * read should return that byte count and then return an error in the subsequent call. + */ + ssize_t (*read)(struct audio_stream_in *stream, void* buffer, + size_t bytes); + + /** + * Return the amount of input frames lost in the audio driver since the + * last call of this function. + * Audio driver is expected to reset the value to 0 and restart counting + * upon returning the current value by this function call. + * Such loss typically occurs when the user space process is blocked + * longer than the capacity of audio driver buffers. + * + * Unit: the number of input audio frames + */ + uint32_t (*get_input_frames_lost)(struct audio_stream_in *stream); +}; +typedef struct audio_stream_in audio_stream_in_t; + +/** + * return the frame size (number of bytes per sample). + */ +static inline size_t audio_stream_frame_size(const struct audio_stream *s) +{ + size_t chan_samp_sz; + + switch (s->get_format(s)) { + case AUDIO_FORMAT_PCM_16_BIT: + chan_samp_sz = sizeof(int16_t); + break; + case AUDIO_FORMAT_PCM_8_BIT: + default: + chan_samp_sz = sizeof(int8_t); + break; + } + + return popcount(s->get_channels(s)) * chan_samp_sz; +} + + +/**********************************************************************/ + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +struct audio_module { + struct hw_module_t common; +}; + +struct audio_hw_device { + struct hw_device_t common; + + /** + * used by audio flinger to enumerate what devices are supported by + * each audio_hw_device implementation. + * + * Return value is a bitmask of 1 or more values of audio_devices_t + * + * NOTE: audio HAL implementations starting with + * AUDIO_DEVICE_API_VERSION_2_0 do not implement this function. + * All supported devices should be listed in audio_policy.conf + * file and the audio policy manager must choose the appropriate + * audio module based on information in this file. + */ + uint32_t (*get_supported_devices)(const struct audio_hw_device *dev); + + /** + * check to see if the audio hardware interface has been initialized. + * returns 0 on success, -ENODEV on failure. + */ + int (*init_check)(const struct audio_hw_device *dev); + + /** set the audio volume of a voice call. Range is between 0.0 and 1.0 */ + int (*set_voice_volume)(struct audio_hw_device *dev, float volume); + + /** + * set the audio volume for all audio activities other than voice call. + * Range between 0.0 and 1.0. If any value other than 0 is returned, + * the software mixer will emulate this capability. + */ + int (*set_master_volume)(struct audio_hw_device *dev, float volume); + + /** + * Get the current master volume value for the HAL, if the HAL supports + * master volume control. AudioFlinger will query this value from the + * primary audio HAL when the service starts and use the value for setting + * the initial master volume across all HALs. HALs which do not support + * this method may leave it set to NULL. + */ + int (*get_master_volume)(struct audio_hw_device *dev, float *volume); + + /** + * set_mode is called when the audio mode changes. AUDIO_MODE_NORMAL mode + * is for standard audio playback, AUDIO_MODE_RINGTONE when a ringtone is + * playing, and AUDIO_MODE_IN_CALL when a call is in progress. + */ + int (*set_mode)(struct audio_hw_device *dev, audio_mode_t mode); + + /* mic mute */ + int (*set_mic_mute)(struct audio_hw_device *dev, bool state); + int (*get_mic_mute)(const struct audio_hw_device *dev, bool *state); + + /* set/get global audio parameters */ + int (*set_parameters)(struct audio_hw_device *dev, const char *kv_pairs); + + /* + * Returns a pointer to a heap allocated string. The caller is responsible + * for freeing the memory for it using free(). + */ + char * (*get_parameters)(const struct audio_hw_device *dev, + const char *keys); + + /* Returns audio input buffer size according to parameters passed or + * 0 if one of the parameters is not supported. + * See also get_buffer_size which is for a particular stream. + */ + size_t (*get_input_buffer_size)(const struct audio_hw_device *dev, + const struct audio_config *config); + + /** This method creates and opens the audio hardware output stream */ + int (*open_output_stream)(struct audio_hw_device *dev, + audio_io_handle_t handle, + audio_devices_t devices, + audio_output_flags_t flags, + struct audio_config *config, + struct audio_stream_out **stream_out); + + void (*close_output_stream)(struct audio_hw_device *dev, + struct audio_stream_out* stream_out); + + /** This method creates and opens the audio hardware input stream */ + int (*open_input_stream)(struct audio_hw_device *dev, + audio_io_handle_t handle, + audio_devices_t devices, + struct audio_config *config, + struct audio_stream_in **stream_in); + + void (*close_input_stream)(struct audio_hw_device *dev, + struct audio_stream_in *stream_in); + + /** This method dumps the state of the audio hardware */ + int (*dump)(const struct audio_hw_device *dev, int fd); + + /** + * set the audio mute status for all audio activities. If any value other + * than 0 is returned, the software mixer will emulate this capability. + */ + int (*set_master_mute)(struct audio_hw_device *dev, bool mute); + + /** + * Get the current master mute status for the HAL, if the HAL supports + * master mute control. AudioFlinger will query this value from the primary + * audio HAL when the service starts and use the value for setting the + * initial master mute across all HALs. HALs which do not support this + * method may leave it set to NULL. + */ + int (*get_master_mute)(struct audio_hw_device *dev, bool *mute); +}; +typedef struct audio_hw_device audio_hw_device_t; + +/** convenience API for opening and closing a supported device */ + +static inline int audio_hw_device_open(const struct hw_module_t* module, + struct audio_hw_device** device) +{ + return module->methods->open(module, AUDIO_HARDWARE_INTERFACE, + (struct hw_device_t**)device); +} + +static inline int audio_hw_device_close(struct audio_hw_device* device) +{ + return device->common.close(&device->common); +} + + +__END_DECLS + +#endif // ANDROID_AUDIO_INTERFACE_H diff --git a/hardware/audio_effect.h b/hardware/audio_effect.h new file mode 100644 index 0000000..46e323d --- /dev/null +++ b/hardware/audio_effect.h @@ -0,0 +1,1028 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_EFFECT_H +#define ANDROID_AUDIO_EFFECT_H + +#include +#include +#include +#include +#include + +#include + +#include + + +__BEGIN_DECLS + + +///////////////////////////////////////////////// +// Common Definitions +///////////////////////////////////////////////// + +// +//--- Effect descriptor structure effect_descriptor_t +// + +// Unique effect ID (can be generated from the following site: +// http://www.itu.int/ITU-T/asn1/uuid.html) +// This format is used for both "type" and "uuid" fields of the effect descriptor structure. +// - When used for effect type and the engine is implementing and effect corresponding to a standard +// OpenSL ES interface, this ID must be the one defined in OpenSLES_IID.h for that interface. +// - When used as uuid, it should be a unique UUID for this particular implementation. +typedef struct effect_uuid_s { + uint32_t timeLow; + uint16_t timeMid; + uint16_t timeHiAndVersion; + uint16_t clockSeq; + uint8_t node[6]; +} effect_uuid_t; + +// Maximum length of character strings in structures defines by this API. +#define EFFECT_STRING_LEN_MAX 64 + +// NULL UUID definition (matches SL_IID_NULL_) +#define EFFECT_UUID_INITIALIZER { 0xec7178ec, 0xe5e1, 0x4432, 0xa3f4, \ + { 0x46, 0x57, 0xe6, 0x79, 0x52, 0x10 } } +static const effect_uuid_t EFFECT_UUID_NULL_ = EFFECT_UUID_INITIALIZER; +const effect_uuid_t * const EFFECT_UUID_NULL = &EFFECT_UUID_NULL_; +const char * const EFFECT_UUID_NULL_STR = "ec7178ec-e5e1-4432-a3f4-4657e6795210"; + +// The effect descriptor contains necessary information to facilitate the enumeration of the effect +// engines present in a library. +typedef struct effect_descriptor_s { + effect_uuid_t type; // UUID of to the OpenSL ES interface implemented by this effect + effect_uuid_t uuid; // UUID for this particular implementation + uint32_t apiVersion; // Version of the effect control API implemented + uint32_t flags; // effect engine capabilities/requirements flags (see below) + uint16_t cpuLoad; // CPU load indication (see below) + uint16_t memoryUsage; // Data Memory usage (see below) + char name[EFFECT_STRING_LEN_MAX]; // human readable effect name + char implementor[EFFECT_STRING_LEN_MAX]; // human readable effect implementor name +} effect_descriptor_t; + +// CPU load and memory usage indication: each effect implementation must provide an indication of +// its CPU and memory usage for the audio effect framework to limit the number of effects +// instantiated at a given time on a given platform. +// The CPU load is expressed in 0.1 MIPS units as estimated on an ARM9E core (ARMv5TE) with 0 WS. +// The memory usage is expressed in KB and includes only dynamically allocated memory + +// Definitions for flags field of effect descriptor. +// +---------------------------+-----------+----------------------------------- +// | description | bits | values +// +---------------------------+-----------+----------------------------------- +// | connection mode | 0..2 | 0 insert: after track process +// | | | 1 auxiliary: connect to track auxiliary +// | | | output and use send level +// | | | 2 replace: replaces track process function; +// | | | must implement SRC, volume and mono to stereo. +// | | | 3 pre processing: applied below audio HAL on input +// | | | 4 post processing: applied below audio HAL on output +// | | | 5 - 7 reserved +// +---------------------------+-----------+----------------------------------- +// | insertion preference | 3..5 | 0 none +// | | | 1 first of the chain +// | | | 2 last of the chain +// | | | 3 exclusive (only effect in the insert chain) +// | | | 4..7 reserved +// +---------------------------+-----------+----------------------------------- +// | Volume management | 6..8 | 0 none +// | | | 1 implements volume control +// | | | 2 requires volume indication +// | | | 4 reserved +// +---------------------------+-----------+----------------------------------- +// | Device indication | 9..11 | 0 none +// | | | 1 requires device updates +// | | | 2, 4 reserved +// +---------------------------+-----------+----------------------------------- +// | Sample input mode | 12..13 | 1 direct: process() function or EFFECT_CMD_SET_CONFIG +// | | | command must specify a buffer descriptor +// | | | 2 provider: process() function uses the +// | | | bufferProvider indicated by the +// | | | EFFECT_CMD_SET_CONFIG command to request input. +// | | | buffers. +// | | | 3 both: both input modes are supported +// +---------------------------+-----------+----------------------------------- +// | Sample output mode | 14..15 | 1 direct: process() function or EFFECT_CMD_SET_CONFIG +// | | | command must specify a buffer descriptor +// | | | 2 provider: process() function uses the +// | | | bufferProvider indicated by the +// | | | EFFECT_CMD_SET_CONFIG command to request output +// | | | buffers. +// | | | 3 both: both output modes are supported +// +---------------------------+-----------+----------------------------------- +// | Hardware acceleration | 16..17 | 0 No hardware acceleration +// | | | 1 non tunneled hw acceleration: the process() function +// | | | reads the samples, send them to HW accelerated +// | | | effect processor, reads back the processed samples +// | | | and returns them to the output buffer. +// | | | 2 tunneled hw acceleration: the process() function is +// | | | transparent. The effect interface is only used to +// | | | control the effect engine. This mode is relevant for +// | | | global effects actually applied by the audio +// | | | hardware on the output stream. +// +---------------------------+-----------+----------------------------------- +// | Audio Mode indication | 18..19 | 0 none +// | | | 1 requires audio mode updates +// | | | 2..3 reserved +// +---------------------------+-----------+----------------------------------- +// | Audio source indication | 20..21 | 0 none +// | | | 1 requires audio source updates +// | | | 2..3 reserved +// +---------------------------+-----------+----------------------------------- + +// Insert mode +#define EFFECT_FLAG_TYPE_SHIFT 0 +#define EFFECT_FLAG_TYPE_SIZE 3 +#define EFFECT_FLAG_TYPE_MASK (((1 << EFFECT_FLAG_TYPE_SIZE) -1) \ + << EFFECT_FLAG_TYPE_SHIFT) +#define EFFECT_FLAG_TYPE_INSERT (0 << EFFECT_FLAG_TYPE_SHIFT) +#define EFFECT_FLAG_TYPE_AUXILIARY (1 << EFFECT_FLAG_TYPE_SHIFT) +#define EFFECT_FLAG_TYPE_REPLACE (2 << EFFECT_FLAG_TYPE_SHIFT) +#define EFFECT_FLAG_TYPE_PRE_PROC (3 << EFFECT_FLAG_TYPE_SHIFT) +#define EFFECT_FLAG_TYPE_POST_PROC (4 << EFFECT_FLAG_TYPE_SHIFT) + +// Insert preference +#define EFFECT_FLAG_INSERT_SHIFT (EFFECT_FLAG_TYPE_SHIFT + EFFECT_FLAG_TYPE_SIZE) +#define EFFECT_FLAG_INSERT_SIZE 3 +#define EFFECT_FLAG_INSERT_MASK (((1 << EFFECT_FLAG_INSERT_SIZE) -1) \ + << EFFECT_FLAG_INSERT_SHIFT) +#define EFFECT_FLAG_INSERT_ANY (0 << EFFECT_FLAG_INSERT_SHIFT) +#define EFFECT_FLAG_INSERT_FIRST (1 << EFFECT_FLAG_INSERT_SHIFT) +#define EFFECT_FLAG_INSERT_LAST (2 << EFFECT_FLAG_INSERT_SHIFT) +#define EFFECT_FLAG_INSERT_EXCLUSIVE (3 << EFFECT_FLAG_INSERT_SHIFT) + + +// Volume control +#define EFFECT_FLAG_VOLUME_SHIFT (EFFECT_FLAG_INSERT_SHIFT + EFFECT_FLAG_INSERT_SIZE) +#define EFFECT_FLAG_VOLUME_SIZE 3 +#define EFFECT_FLAG_VOLUME_MASK (((1 << EFFECT_FLAG_VOLUME_SIZE) -1) \ + << EFFECT_FLAG_VOLUME_SHIFT) +#define EFFECT_FLAG_VOLUME_CTRL (1 << EFFECT_FLAG_VOLUME_SHIFT) +#define EFFECT_FLAG_VOLUME_IND (2 << EFFECT_FLAG_VOLUME_SHIFT) +#define EFFECT_FLAG_VOLUME_NONE (0 << EFFECT_FLAG_VOLUME_SHIFT) + +// Device indication +#define EFFECT_FLAG_DEVICE_SHIFT (EFFECT_FLAG_VOLUME_SHIFT + EFFECT_FLAG_VOLUME_SIZE) +#define EFFECT_FLAG_DEVICE_SIZE 3 +#define EFFECT_FLAG_DEVICE_MASK (((1 << EFFECT_FLAG_DEVICE_SIZE) -1) \ + << EFFECT_FLAG_DEVICE_SHIFT) +#define EFFECT_FLAG_DEVICE_IND (1 << EFFECT_FLAG_DEVICE_SHIFT) +#define EFFECT_FLAG_DEVICE_NONE (0 << EFFECT_FLAG_DEVICE_SHIFT) + +// Sample input modes +#define EFFECT_FLAG_INPUT_SHIFT (EFFECT_FLAG_DEVICE_SHIFT + EFFECT_FLAG_DEVICE_SIZE) +#define EFFECT_FLAG_INPUT_SIZE 2 +#define EFFECT_FLAG_INPUT_MASK (((1 << EFFECT_FLAG_INPUT_SIZE) -1) \ + << EFFECT_FLAG_INPUT_SHIFT) +#define EFFECT_FLAG_INPUT_DIRECT (1 << EFFECT_FLAG_INPUT_SHIFT) +#define EFFECT_FLAG_INPUT_PROVIDER (2 << EFFECT_FLAG_INPUT_SHIFT) +#define EFFECT_FLAG_INPUT_BOTH (3 << EFFECT_FLAG_INPUT_SHIFT) + +// Sample output modes +#define EFFECT_FLAG_OUTPUT_SHIFT (EFFECT_FLAG_INPUT_SHIFT + EFFECT_FLAG_INPUT_SIZE) +#define EFFECT_FLAG_OUTPUT_SIZE 2 +#define EFFECT_FLAG_OUTPUT_MASK (((1 << EFFECT_FLAG_OUTPUT_SIZE) -1) \ + << EFFECT_FLAG_OUTPUT_SHIFT) +#define EFFECT_FLAG_OUTPUT_DIRECT (1 << EFFECT_FLAG_OUTPUT_SHIFT) +#define EFFECT_FLAG_OUTPUT_PROVIDER (2 << EFFECT_FLAG_OUTPUT_SHIFT) +#define EFFECT_FLAG_OUTPUT_BOTH (3 << EFFECT_FLAG_OUTPUT_SHIFT) + +// Hardware acceleration mode +#define EFFECT_FLAG_HW_ACC_SHIFT (EFFECT_FLAG_OUTPUT_SHIFT + EFFECT_FLAG_OUTPUT_SIZE) +#define EFFECT_FLAG_HW_ACC_SIZE 2 +#define EFFECT_FLAG_HW_ACC_MASK (((1 << EFFECT_FLAG_HW_ACC_SIZE) -1) \ + << EFFECT_FLAG_HW_ACC_SHIFT) +#define EFFECT_FLAG_HW_ACC_SIMPLE (1 << EFFECT_FLAG_HW_ACC_SHIFT) +#define EFFECT_FLAG_HW_ACC_TUNNEL (2 << EFFECT_FLAG_HW_ACC_SHIFT) + +// Audio mode indication +#define EFFECT_FLAG_AUDIO_MODE_SHIFT (EFFECT_FLAG_HW_ACC_SHIFT + EFFECT_FLAG_HW_ACC_SIZE) +#define EFFECT_FLAG_AUDIO_MODE_SIZE 2 +#define EFFECT_FLAG_AUDIO_MODE_MASK (((1 << EFFECT_FLAG_AUDIO_MODE_SIZE) -1) \ + << EFFECT_FLAG_AUDIO_MODE_SHIFT) +#define EFFECT_FLAG_AUDIO_MODE_IND (1 << EFFECT_FLAG_AUDIO_MODE_SHIFT) +#define EFFECT_FLAG_AUDIO_MODE_NONE (0 << EFFECT_FLAG_AUDIO_MODE_SHIFT) + +// Audio source indication +#define EFFECT_FLAG_AUDIO_SOURCE_SHIFT (EFFECT_FLAG_AUDIO_MODE_SHIFT + EFFECT_FLAG_AUDIO_MODE_SIZE) +#define EFFECT_FLAG_AUDIO_SOURCE_SIZE 2 +#define EFFECT_FLAG_AUDIO_SOURCE_MASK (((1 << EFFECT_FLAG_AUDIO_SOURCE_SIZE) -1) \ + << EFFECT_FLAG_AUDIO_SOURCE_SHIFT) +#define EFFECT_FLAG_AUDIO_SOURCE_IND (1 << EFFECT_FLAG_AUDIO_SOURCE_SHIFT) +#define EFFECT_FLAG_AUDIO_SOURCE_NONE (0 << EFFECT_FLAG_AUDIO_SOURCE_SHIFT) + +#define EFFECT_MAKE_API_VERSION(M, m) (((M)<<16) | ((m) & 0xFFFF)) +#define EFFECT_API_VERSION_MAJOR(v) ((v)>>16) +#define EFFECT_API_VERSION_MINOR(v) ((m) & 0xFFFF) + + + +///////////////////////////////////////////////// +// Effect control interface +///////////////////////////////////////////////// + +// Effect control interface version 2.0 +#define EFFECT_CONTROL_API_VERSION EFFECT_MAKE_API_VERSION(2,0) + +// Effect control interface structure: effect_interface_s +// The effect control interface is exposed by each effect engine implementation. It consists of +// a set of functions controlling the configuration, activation and process of the engine. +// The functions are grouped in a structure of type effect_interface_s. +// +// Effect control interface handle: effect_handle_t +// The effect_handle_t serves two purposes regarding the implementation of the effect engine: +// - 1 it is the address of a pointer to an effect_interface_s structure where the functions +// of the effect control API for a particular effect are located. +// - 2 it is the address of the context of a particular effect instance. +// A typical implementation in the effect library would define a structure as follows: +// struct effect_module_s { +// const struct effect_interface_s *itfe; +// effect_config_t config; +// effect_context_t context; +// } +// The implementation of EffectCreate() function would then allocate a structure of this +// type and return its address as effect_handle_t +typedef struct effect_interface_s **effect_handle_t; + + +// Forward definition of type audio_buffer_t +typedef struct audio_buffer_s audio_buffer_t; + + + + + + +// Effect control interface definition +struct effect_interface_s { + //////////////////////////////////////////////////////////////////////////////// + // + // Function: process + // + // Description: Effect process function. Takes input samples as specified + // (count and location) in input buffer descriptor and output processed + // samples as specified in output buffer descriptor. If the buffer descriptor + // is not specified the function must use either the buffer or the + // buffer provider function installed by the EFFECT_CMD_SET_CONFIG command. + // The effect framework will call the process() function after the EFFECT_CMD_ENABLE + // command is received and until the EFFECT_CMD_DISABLE is received. When the engine + // receives the EFFECT_CMD_DISABLE command it should turn off the effect gracefully + // and when done indicate that it is OK to stop calling the process() function by + // returning the -ENODATA status. + // + // NOTE: the process() function implementation should be "real-time safe" that is + // it should not perform blocking calls: malloc/free, sleep, read/write/open/close, + // pthread_cond_wait/pthread_mutex_lock... + // + // Input: + // self: handle to the effect interface this function + // is called on. + // inBuffer: buffer descriptor indicating where to read samples to process. + // If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG command. + // + // outBuffer: buffer descriptor indicating where to write processed samples. + // If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG command. + // + // Output: + // returned value: 0 successful operation + // -ENODATA the engine has finished the disable phase and the framework + // can stop calling process() + // -EINVAL invalid interface handle or + // invalid input/output buffer description + //////////////////////////////////////////////////////////////////////////////// + int32_t (*process)(effect_handle_t self, + audio_buffer_t *inBuffer, + audio_buffer_t *outBuffer); + //////////////////////////////////////////////////////////////////////////////// + // + // Function: command + // + // Description: Send a command and receive a response to/from effect engine. + // + // Input: + // self: handle to the effect interface this function + // is called on. + // cmdCode: command code: the command can be a standardized command defined in + // effect_command_e (see below) or a proprietary command. + // cmdSize: size of command in bytes + // pCmdData: pointer to command data + // pReplyData: pointer to reply data + // + // Input/Output: + // replySize: maximum size of reply data as input + // actual size of reply data as output + // + // Output: + // returned value: 0 successful operation + // -EINVAL invalid interface handle or + // invalid command/reply size or format according to command code + // The return code should be restricted to indicate problems related to the this + // API specification. Status related to the execution of a particular command should be + // indicated as part of the reply field. + // + // *pReplyData updated with command response + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*command)(effect_handle_t self, + uint32_t cmdCode, + uint32_t cmdSize, + void *pCmdData, + uint32_t *replySize, + void *pReplyData); + //////////////////////////////////////////////////////////////////////////////// + // + // Function: get_descriptor + // + // Description: Returns the effect descriptor + // + // Input: + // self: handle to the effect interface this function + // is called on. + // + // Input/Output: + // pDescriptor: address where to return the effect descriptor. + // + // Output: + // returned value: 0 successful operation. + // -EINVAL invalid interface handle or invalid pDescriptor + // *pDescriptor: updated with the effect descriptor. + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*get_descriptor)(effect_handle_t self, + effect_descriptor_t *pDescriptor); + //////////////////////////////////////////////////////////////////////////////// + // + // Function: process_reverse + // + // Description: Process reverse stream function. This function is used to pass + // a reference stream to the effect engine. If the engine does not need a reference + // stream, this function pointer can be set to NULL. + // This function would typically implemented by an Echo Canceler. + // + // Input: + // self: handle to the effect interface this function + // is called on. + // inBuffer: buffer descriptor indicating where to read samples to process. + // If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG_REVERSE command. + // + // outBuffer: buffer descriptor indicating where to write processed samples. + // If NULL, use the configuration passed by EFFECT_CMD_SET_CONFIG_REVERSE command. + // If the buffer and buffer provider in the configuration received by + // EFFECT_CMD_SET_CONFIG_REVERSE are also NULL, do not return modified reverse + // stream data + // + // Output: + // returned value: 0 successful operation + // -ENODATA the engine has finished the disable phase and the framework + // can stop calling process_reverse() + // -EINVAL invalid interface handle or + // invalid input/output buffer description + //////////////////////////////////////////////////////////////////////////////// + int32_t (*process_reverse)(effect_handle_t self, + audio_buffer_t *inBuffer, + audio_buffer_t *outBuffer); +}; + + +// +//--- Standardized command codes for command() function +// +enum effect_command_e { + EFFECT_CMD_INIT, // initialize effect engine + EFFECT_CMD_SET_CONFIG, // configure effect engine (see effect_config_t) + EFFECT_CMD_RESET, // reset effect engine + EFFECT_CMD_ENABLE, // enable effect process + EFFECT_CMD_DISABLE, // disable effect process + EFFECT_CMD_SET_PARAM, // set parameter immediately (see effect_param_t) + EFFECT_CMD_SET_PARAM_DEFERRED, // set parameter deferred + EFFECT_CMD_SET_PARAM_COMMIT, // commit previous set parameter deferred + EFFECT_CMD_GET_PARAM, // get parameter + EFFECT_CMD_SET_DEVICE, // set audio device (see audio.h, audio_devices_t) + EFFECT_CMD_SET_VOLUME, // set volume + EFFECT_CMD_SET_AUDIO_MODE, // set the audio mode (normal, ring, ...) + EFFECT_CMD_SET_CONFIG_REVERSE, // configure effect engine reverse stream(see effect_config_t) + EFFECT_CMD_SET_INPUT_DEVICE, // set capture device (see audio.h, audio_devices_t) + EFFECT_CMD_GET_CONFIG, // read effect engine configuration + EFFECT_CMD_GET_CONFIG_REVERSE, // read configure effect engine reverse stream configuration + EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS,// get all supported configurations for a feature. + EFFECT_CMD_GET_FEATURE_CONFIG, // get current feature configuration + EFFECT_CMD_SET_FEATURE_CONFIG, // set current feature configuration + EFFECT_CMD_SET_AUDIO_SOURCE, // set the audio source (see audio.h, audio_source_t) + EFFECT_CMD_FIRST_PROPRIETARY = 0x10000 // first proprietary command code +}; + +//================================================================================================== +// command: EFFECT_CMD_INIT +//-------------------------------------------------------------------------------------------------- +// description: +// Initialize effect engine: All configurations return to default +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_SET_CONFIG +//-------------------------------------------------------------------------------------------------- +// description: +// Apply new audio parameters configurations for input and output buffers +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(effect_config_t) +// data: effect_config_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_RESET +//-------------------------------------------------------------------------------------------------- +// description: +// Reset the effect engine. Keep configuration but resets state and buffer content +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_ENABLE +//-------------------------------------------------------------------------------------------------- +// description: +// Enable the process. Called by the framework before the first call to process() +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_DISABLE +//-------------------------------------------------------------------------------------------------- +// description: +// Disable the process. Called by the framework after the last call to process() +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_SET_PARAM +//-------------------------------------------------------------------------------------------------- +// description: +// Set a parameter and apply it immediately +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(effect_param_t) + size of param and value +// data: effect_param_t + param + value. See effect_param_t definition below for value offset +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_SET_PARAM_DEFERRED +//-------------------------------------------------------------------------------------------------- +// description: +// Set a parameter but apply it only when receiving EFFECT_CMD_SET_PARAM_COMMIT command +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(effect_param_t) + size of param and value +// data: effect_param_t + param + value. See effect_param_t definition below for value offset +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_SET_PARAM_COMMIT +//-------------------------------------------------------------------------------------------------- +// description: +// Apply all previously received EFFECT_CMD_SET_PARAM_DEFERRED commands +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_GET_PARAM +//-------------------------------------------------------------------------------------------------- +// description: +// Get a parameter value +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(effect_param_t) + size of param +// data: effect_param_t + param +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(effect_param_t) + size of param and value +// data: effect_param_t + param + value. See effect_param_t definition below for value offset +//================================================================================================== +// command: EFFECT_CMD_SET_DEVICE +//-------------------------------------------------------------------------------------------------- +// description: +// Set the rendering device the audio output path is connected to. See audio.h, audio_devices_t +// for device values. +// The effect implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this +// command when the device changes +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) +// data: uint32_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_SET_VOLUME +//-------------------------------------------------------------------------------------------------- +// description: +// Set and get volume. Used by audio framework to delegate volume control to effect engine. +// The effect implementation must set EFFECT_FLAG_VOLUME_IND or EFFECT_FLAG_VOLUME_CTRL flag in +// its descriptor to receive this command before every call to process() function +// If EFFECT_FLAG_VOLUME_CTRL flag is set in the effect descriptor, the effect engine must return +// the volume that should be applied before the effect is processed. The overall volume (the volume +// actually applied by the effect engine multiplied by the returned value) should match the value +// indicated in the command. +//-------------------------------------------------------------------------------------------------- +// command format: +// size: n * sizeof(uint32_t) +// data: volume for each channel defined in effect_config_t for output buffer expressed in +// 8.24 fixed point format +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: n * sizeof(uint32_t) / 0 +// data: - if EFFECT_FLAG_VOLUME_CTRL is set in effect descriptor: +// volume for each channel defined in effect_config_t for output buffer expressed in +// 8.24 fixed point format +// - if EFFECT_FLAG_VOLUME_CTRL is not set in effect descriptor: +// N/A +// It is legal to receive a null pointer as pReplyData in which case the effect framework has +// delegated volume control to another effect +//================================================================================================== +// command: EFFECT_CMD_SET_AUDIO_MODE +//-------------------------------------------------------------------------------------------------- +// description: +// Set the audio mode. The effect implementation must set EFFECT_FLAG_AUDIO_MODE_IND flag in its +// descriptor to receive this command when the audio mode changes. +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) +// data: audio_mode_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_SET_CONFIG_REVERSE +//-------------------------------------------------------------------------------------------------- +// description: +// Apply new audio parameters configurations for input and output buffers of reverse stream. +// An example of reverse stream is the echo reference supplied to an Acoustic Echo Canceler. +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(effect_config_t) +// data: effect_config_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(int) +// data: status +//================================================================================================== +// command: EFFECT_CMD_SET_INPUT_DEVICE +//-------------------------------------------------------------------------------------------------- +// description: +// Set the capture device the audio input path is connected to. See audio.h, audio_devices_t +// for device values. +// The effect implementation must set EFFECT_FLAG_DEVICE_IND flag in its descriptor to receive this +// command when the device changes +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) +// data: uint32_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_GET_CONFIG +//-------------------------------------------------------------------------------------------------- +// description: +// Read audio parameters configurations for input and output buffers +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(effect_config_t) +// data: effect_config_t +//================================================================================================== +// command: EFFECT_CMD_GET_CONFIG_REVERSE +//-------------------------------------------------------------------------------------------------- +// description: +// Read audio parameters configurations for input and output buffers of reverse stream +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 0 +// data: N/A +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(effect_config_t) +// data: effect_config_t +//================================================================================================== +// command: EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS +//-------------------------------------------------------------------------------------------------- +// description: +// Queries for supported configurations for a particular feature (e.g. get the supported +// combinations of main and auxiliary channels for a noise suppressor). +// The command parameter is the feature identifier (See effect_feature_e for a list of defined +// features) followed by the maximum number of configuration descriptor to return. +// The reply is composed of: +// - status (uint32_t): +// - 0 if feature is supported +// - -ENOSYS if the feature is not supported, +// - -ENOMEM if the feature is supported but the total number of supported configurations +// exceeds the maximum number indicated by the caller. +// - total number of supported configurations (uint32_t) +// - an array of configuration descriptors. +// The actual number of descriptors returned must not exceed the maximum number indicated by +// the caller. +//-------------------------------------------------------------------------------------------------- +// command format: +// size: 2 x sizeof(uint32_t) +// data: effect_feature_e + maximum number of configurations to return +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 2 x sizeof(uint32_t) + n x sizeof () +// data: status + total number of configurations supported + array of n config descriptors +//================================================================================================== +// command: EFFECT_CMD_GET_FEATURE_CONFIG +//-------------------------------------------------------------------------------------------------- +// description: +// Retrieves current configuration for a given feature. +// The reply status is: +// - 0 if feature is supported +// - -ENOSYS if the feature is not supported, +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) +// data: effect_feature_e +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(uint32_t) + sizeof () +// data: status + config descriptor +//================================================================================================== +// command: EFFECT_CMD_SET_FEATURE_CONFIG +//-------------------------------------------------------------------------------------------------- +// description: +// Sets current configuration for a given feature. +// The reply status is: +// - 0 if feature is supported +// - -ENOSYS if the feature is not supported, +// - -EINVAL if the configuration is invalid +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) + sizeof () +// data: effect_feature_e + config descriptor +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: sizeof(uint32_t) +// data: status +//================================================================================================== +// command: EFFECT_CMD_SET_AUDIO_SOURCE +//-------------------------------------------------------------------------------------------------- +// description: +// Set the audio source the capture path is configured for (Camcorder, voice recognition...). +// See audio.h, audio_source_t for values. +//-------------------------------------------------------------------------------------------------- +// command format: +// size: sizeof(uint32_t) +// data: uint32_t +//-------------------------------------------------------------------------------------------------- +// reply format: +// size: 0 +// data: N/A +//================================================================================================== +// command: EFFECT_CMD_FIRST_PROPRIETARY +//-------------------------------------------------------------------------------------------------- +// description: +// All proprietary effect commands must use command codes above this value. The size and format of +// command and response fields is free in this case +//================================================================================================== + + +// Audio buffer descriptor used by process(), bufferProvider() functions and buffer_config_t +// structure. Multi-channel audio is always interleaved. The channel order is from LSB to MSB with +// regard to the channel mask definition in audio.h, audio_channel_mask_t e.g : +// Stereo: left, right +// 5 point 1: front left, front right, front center, low frequency, back left, back right +// The buffer size is expressed in frame count, a frame being composed of samples for all +// channels at a given time. Frame size for unspecified format (AUDIO_FORMAT_OTHER) is 8 bit by +// definition +struct audio_buffer_s { + size_t frameCount; // number of frames in buffer + union { + void* raw; // raw pointer to start of buffer + int32_t* s32; // pointer to signed 32 bit data at start of buffer + int16_t* s16; // pointer to signed 16 bit data at start of buffer + uint8_t* u8; // pointer to unsigned 8 bit data at start of buffer + }; +}; + +// The buffer_provider_s structure contains functions that can be used +// by the effect engine process() function to query and release input +// or output audio buffer. +// The getBuffer() function is called to retrieve a buffer where data +// should read from or written to by process() function. +// The releaseBuffer() function MUST be called when the buffer retrieved +// with getBuffer() is not needed anymore. +// The process function should use the buffer provider mechanism to retrieve +// input or output buffer if the inBuffer or outBuffer passed as argument is NULL +// and the buffer configuration (buffer_config_t) given by the EFFECT_CMD_SET_CONFIG +// command did not specify an audio buffer. + +typedef int32_t (* buffer_function_t)(void *cookie, audio_buffer_t *buffer); + +typedef struct buffer_provider_s { + buffer_function_t getBuffer; // retrieve next buffer + buffer_function_t releaseBuffer; // release used buffer + void *cookie; // for use by client of buffer provider functions +} buffer_provider_t; + + +// The buffer_config_s structure specifies the input or output audio format +// to be used by the effect engine. It is part of the effect_config_t +// structure that defines both input and output buffer configurations and is +// passed by the EFFECT_CMD_SET_CONFIG or EFFECT_CMD_SET_CONFIG_REVERSE command. +typedef struct buffer_config_s { + audio_buffer_t buffer; // buffer for use by process() function if not passed explicitly + uint32_t samplingRate; // sampling rate + uint32_t channels; // channel mask (see audio_channel_mask_t in audio.h) + buffer_provider_t bufferProvider; // buffer provider + uint8_t format; // Audio format (see see audio_format_t in audio.h) + uint8_t accessMode; // read/write or accumulate in buffer (effect_buffer_access_e) + uint16_t mask; // indicates which of the above fields is valid +} buffer_config_t; + +// Values for "accessMode" field of buffer_config_t: +// overwrite, read only, accumulate (read/modify/write) +enum effect_buffer_access_e { + EFFECT_BUFFER_ACCESS_WRITE, + EFFECT_BUFFER_ACCESS_READ, + EFFECT_BUFFER_ACCESS_ACCUMULATE + +}; + +// feature identifiers for EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS command +enum effect_feature_e { + EFFECT_FEATURE_AUX_CHANNELS, // supports auxiliary channels (e.g. dual mic noise suppressor) + EFFECT_FEATURE_CNT +}; + +// EFFECT_FEATURE_AUX_CHANNELS feature configuration descriptor. Describe a combination +// of main and auxiliary channels supported +typedef struct channel_config_s { + audio_channel_mask_t main_channels; // channel mask for main channels + audio_channel_mask_t aux_channels; // channel mask for auxiliary channels +} channel_config_t; + + +// Values for bit field "mask" in buffer_config_t. If a bit is set, the corresponding field +// in buffer_config_t must be taken into account when executing the EFFECT_CMD_SET_CONFIG command +#define EFFECT_CONFIG_BUFFER 0x0001 // buffer field must be taken into account +#define EFFECT_CONFIG_SMP_RATE 0x0002 // samplingRate field must be taken into account +#define EFFECT_CONFIG_CHANNELS 0x0004 // channels field must be taken into account +#define EFFECT_CONFIG_FORMAT 0x0008 // format field must be taken into account +#define EFFECT_CONFIG_ACC_MODE 0x0010 // accessMode field must be taken into account +#define EFFECT_CONFIG_PROVIDER 0x0020 // bufferProvider field must be taken into account +#define EFFECT_CONFIG_ALL (EFFECT_CONFIG_BUFFER | EFFECT_CONFIG_SMP_RATE | \ + EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT | \ + EFFECT_CONFIG_ACC_MODE | EFFECT_CONFIG_PROVIDER) + + +// effect_config_s structure describes the format of the pCmdData argument of EFFECT_CMD_SET_CONFIG +// command to configure audio parameters and buffers for effect engine input and output. +typedef struct effect_config_s { + buffer_config_t inputCfg; + buffer_config_t outputCfg; +} effect_config_t; + + +// effect_param_s structure describes the format of the pCmdData argument of EFFECT_CMD_SET_PARAM +// command and pCmdData and pReplyData of EFFECT_CMD_GET_PARAM command. +// psize and vsize represent the actual size of parameter and value. +// +// NOTE: the start of value field inside the data field is always on a 32 bit boundary: +// +// +-----------+ +// | status | sizeof(int) +// +-----------+ +// | psize | sizeof(int) +// +-----------+ +// | vsize | sizeof(int) +// +-----------+ +// | | | | +// ~ parameter ~ > psize | +// | | | > ((psize - 1)/sizeof(int) + 1) * sizeof(int) +// +-----------+ | +// | padding | | +// +-----------+ +// | | | +// ~ value ~ > vsize +// | | | +// +-----------+ + +typedef struct effect_param_s { + int32_t status; // Transaction status (unused for command, used for reply) + uint32_t psize; // Parameter size + uint32_t vsize; // Value size + char data[]; // Start of Parameter + Value data +} effect_param_t; + + + +///////////////////////////////////////////////// +// Effect library interface +///////////////////////////////////////////////// + +// Effect library interface version 2.0 +#define EFFECT_LIBRARY_API_VERSION EFFECT_MAKE_API_VERSION(2,0) + +#define AUDIO_EFFECT_LIBRARY_TAG ((('A') << 24) | (('E') << 16) | (('L') << 8) | ('T')) + +// Every effect library must have a data structure named AUDIO_EFFECT_LIBRARY_INFO_SYM +// and the fields of this data structure must begin with audio_effect_library_t + +typedef struct audio_effect_library_s { + // tag must be initialized to AUDIO_EFFECT_LIBRARY_TAG + uint32_t tag; + // Version of the effect library API : 0xMMMMmmmm MMMM: Major, mmmm: minor + uint32_t version; + // Name of this library + const char *name; + // Author/owner/implementor of the library + const char *implementor; + + //////////////////////////////////////////////////////////////////////////////// + // + // Function: query_num_effects + // + // Description: Returns the number of different effects exposed by the + // library. Each effect must have a unique effect uuid (see + // effect_descriptor_t). This function together with EffectQueryEffect() + // is used to enumerate all effects present in the library. + // + // Input/Output: + // pNumEffects: address where the number of effects should be returned. + // + // Output: + // returned value: 0 successful operation. + // -ENODEV library failed to initialize + // -EINVAL invalid pNumEffects + // *pNumEffects: updated with number of effects in library + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*query_num_effects)(uint32_t *pNumEffects); + + //////////////////////////////////////////////////////////////////////////////// + // + // Function: query_effect + // + // Description: Returns the descriptor of the effect engine which index is + // given as argument. + // See effect_descriptor_t for details on effect descriptors. + // This function together with EffectQueryNumberEffects() is used to enumerate all + // effects present in the library. The enumeration sequence is: + // EffectQueryNumberEffects(&num_effects); + // for (i = 0; i < num_effects; i++) + // EffectQueryEffect(i,...); + // + // Input/Output: + // index: index of the effect + // pDescriptor: address where to return the effect descriptor. + // + // Output: + // returned value: 0 successful operation. + // -ENODEV library failed to initialize + // -EINVAL invalid pDescriptor or index + // -ENOSYS effect list has changed since last execution of + // EffectQueryNumberEffects() + // -ENOENT no more effect available + // *pDescriptor: updated with the effect descriptor. + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*query_effect)(uint32_t index, + effect_descriptor_t *pDescriptor); + + //////////////////////////////////////////////////////////////////////////////// + // + // Function: create_effect + // + // Description: Creates an effect engine of the specified implementation uuid and + // returns an effect control interface on this engine. The function will allocate the + // resources for an instance of the requested effect engine and return + // a handle on the effect control interface. + // + // Input: + // uuid: pointer to the effect uuid. + // sessionId: audio session to which this effect instance will be attached. All effects + // created with the same session ID are connected in series and process the same signal + // stream. Knowing that two effects are part of the same effect chain can help the + // library implement some kind of optimizations. + // ioId: identifies the output or input stream this effect is directed to at audio HAL. + // For future use especially with tunneled HW accelerated effects + // + // Input/Output: + // pHandle: address where to return the effect interface handle. + // + // Output: + // returned value: 0 successful operation. + // -ENODEV library failed to initialize + // -EINVAL invalid pEffectUuid or pHandle + // -ENOENT no effect with this uuid found + // *pHandle: updated with the effect interface handle. + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*create_effect)(const effect_uuid_t *uuid, + int32_t sessionId, + int32_t ioId, + effect_handle_t *pHandle); + + //////////////////////////////////////////////////////////////////////////////// + // + // Function: release_effect + // + // Description: Releases the effect engine whose handle is given as argument. + // All resources allocated to this particular instance of the effect are + // released. + // + // Input: + // handle: handle on the effect interface to be released. + // + // Output: + // returned value: 0 successful operation. + // -ENODEV library failed to initialize + // -EINVAL invalid interface handle + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*release_effect)(effect_handle_t handle); + + //////////////////////////////////////////////////////////////////////////////// + // + // Function: get_descriptor + // + // Description: Returns the descriptor of the effect engine which implementation UUID is + // given as argument. + // + // Input/Output: + // uuid: pointer to the effect uuid. + // pDescriptor: address where to return the effect descriptor. + // + // Output: + // returned value: 0 successful operation. + // -ENODEV library failed to initialize + // -EINVAL invalid pDescriptor or uuid + // *pDescriptor: updated with the effect descriptor. + // + //////////////////////////////////////////////////////////////////////////////// + int32_t (*get_descriptor)(const effect_uuid_t *uuid, + effect_descriptor_t *pDescriptor); +} audio_effect_library_t; + +// Name of the hal_module_info +#define AUDIO_EFFECT_LIBRARY_INFO_SYM AELI + +// Name of the hal_module_info as a string +#define AUDIO_EFFECT_LIBRARY_INFO_SYM_AS_STR "AELI" + +__END_DECLS + +#endif // ANDROID_AUDIO_EFFECT_H diff --git a/hardware/audio_policy.h b/hardware/audio_policy.h new file mode 100644 index 0000000..9e145f8 --- /dev/null +++ b/hardware/audio_policy.h @@ -0,0 +1,445 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_POLICY_INTERFACE_H +#define ANDROID_AUDIO_POLICY_INTERFACE_H + +#include +#include +#include + +#include + +#include +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define AUDIO_POLICY_HARDWARE_MODULE_ID "audio_policy" + +/** + * Name of the audio devices to open + */ +#define AUDIO_POLICY_INTERFACE "policy" + +/* ---------------------------------------------------------------------------- */ + +/* + * The audio_policy and audio_policy_service_ops structs define the + * communication interfaces between the platform specific audio policy manager + * and Android generic audio policy manager. + * The platform specific audio policy manager must implement methods of the + * audio_policy struct. + * This implementation makes use of the audio_policy_service_ops to control + * the activity and configuration of audio input and output streams. + * + * The platform specific audio policy manager is in charge of the audio + * routing and volume control policies for a given platform. + * The main roles of this module are: + * - keep track of current system state (removable device connections, phone + * state, user requests...). + * System state changes and user actions are notified to audio policy + * manager with methods of the audio_policy. + * + * - process get_output() queries received when AudioTrack objects are + * created: Those queries return a handler on an output that has been + * selected, configured and opened by the audio policy manager and that + * must be used by the AudioTrack when registering to the AudioFlinger + * with the createTrack() method. + * When the AudioTrack object is released, a release_output() query + * is received and the audio policy manager can decide to close or + * reconfigure the output depending on other streams using this output and + * current system state. + * + * - similarly process get_input() and release_input() queries received from + * AudioRecord objects and configure audio inputs. + * - process volume control requests: the stream volume is converted from + * an index value (received from UI) to a float value applicable to each + * output as a function of platform specific settings and current output + * route (destination device). It also make sure that streams are not + * muted if not allowed (e.g. camera shutter sound in some countries). + */ + +/* XXX: this should be defined OUTSIDE of frameworks/base */ +struct effect_descriptor_s; + +struct audio_policy { + /* + * configuration functions + */ + + /* indicate a change in device connection status */ + int (*set_device_connection_state)(struct audio_policy *pol, + audio_devices_t device, + audio_policy_dev_state_t state, + const char *device_address); + + /* retrieve a device connection status */ + audio_policy_dev_state_t (*get_device_connection_state)( + const struct audio_policy *pol, + audio_devices_t device, + const char *device_address); + + /* indicate a change in phone state. Valid phones states are defined + * by audio_mode_t */ + void (*set_phone_state)(struct audio_policy *pol, audio_mode_t state); + + /* deprecated, never called (was "indicate a change in ringer mode") */ + void (*set_ringer_mode)(struct audio_policy *pol, uint32_t mode, + uint32_t mask); + + /* force using a specific device category for the specified usage */ + void (*set_force_use)(struct audio_policy *pol, + audio_policy_force_use_t usage, + audio_policy_forced_cfg_t config); + + /* retrieve current device category forced for a given usage */ + audio_policy_forced_cfg_t (*get_force_use)(const struct audio_policy *pol, + audio_policy_force_use_t usage); + + /* if can_mute is true, then audio streams that are marked ENFORCED_AUDIBLE + * can still be muted. */ + void (*set_can_mute_enforced_audible)(struct audio_policy *pol, + bool can_mute); + + /* check proper initialization */ + int (*init_check)(const struct audio_policy *pol); + + /* + * Audio routing query functions + */ + + /* request an output appropriate for playback of the supplied stream type and + * parameters */ + audio_io_handle_t (*get_output)(struct audio_policy *pol, + audio_stream_type_t stream, + uint32_t samplingRate, + audio_format_t format, + audio_channel_mask_t channelMask, + audio_output_flags_t flags); + + /* indicates to the audio policy manager that the output starts being used + * by corresponding stream. */ + int (*start_output)(struct audio_policy *pol, + audio_io_handle_t output, + audio_stream_type_t stream, + int session); + + /* indicates to the audio policy manager that the output stops being used + * by corresponding stream. */ + int (*stop_output)(struct audio_policy *pol, + audio_io_handle_t output, + audio_stream_type_t stream, + int session); + + /* releases the output. */ + void (*release_output)(struct audio_policy *pol, audio_io_handle_t output); + + /* request an input appropriate for record from the supplied device with + * supplied parameters. */ + audio_io_handle_t (*get_input)(struct audio_policy *pol, audio_source_t inputSource, + uint32_t samplingRate, + audio_format_t format, + audio_channel_mask_t channelMask, + audio_in_acoustics_t acoustics); + + /* indicates to the audio policy manager that the input starts being used */ + int (*start_input)(struct audio_policy *pol, audio_io_handle_t input); + + /* indicates to the audio policy manager that the input stops being used. */ + int (*stop_input)(struct audio_policy *pol, audio_io_handle_t input); + + /* releases the input. */ + void (*release_input)(struct audio_policy *pol, audio_io_handle_t input); + + /* + * volume control functions + */ + + /* initialises stream volume conversion parameters by specifying volume + * index range. The index range for each stream is defined by AudioService. */ + void (*init_stream_volume)(struct audio_policy *pol, + audio_stream_type_t stream, + int index_min, + int index_max); + + /* sets the new stream volume at a level corresponding to the supplied + * index. The index is within the range specified by init_stream_volume() */ + int (*set_stream_volume_index)(struct audio_policy *pol, + audio_stream_type_t stream, + int index); + + /* retrieve current volume index for the specified stream */ + int (*get_stream_volume_index)(const struct audio_policy *pol, + audio_stream_type_t stream, + int *index); + + /* sets the new stream volume at a level corresponding to the supplied + * index for the specified device. + * The index is within the range specified by init_stream_volume() */ + int (*set_stream_volume_index_for_device)(struct audio_policy *pol, + audio_stream_type_t stream, + int index, + audio_devices_t device); + + /* retrieve current volume index for the specified stream for the specified device */ + int (*get_stream_volume_index_for_device)(const struct audio_policy *pol, + audio_stream_type_t stream, + int *index, + audio_devices_t device); + + /* return the strategy corresponding to a given stream type */ + uint32_t (*get_strategy_for_stream)(const struct audio_policy *pol, + audio_stream_type_t stream); + + /* return the enabled output devices for the given stream type */ + audio_devices_t (*get_devices_for_stream)(const struct audio_policy *pol, + audio_stream_type_t stream); + + /* Audio effect management */ + audio_io_handle_t (*get_output_for_effect)(struct audio_policy *pol, + const struct effect_descriptor_s *desc); + + int (*register_effect)(struct audio_policy *pol, + const struct effect_descriptor_s *desc, + audio_io_handle_t output, + uint32_t strategy, + int session, + int id); + + int (*unregister_effect)(struct audio_policy *pol, int id); + + int (*set_effect_enabled)(struct audio_policy *pol, int id, bool enabled); + + bool (*is_stream_active)(const struct audio_policy *pol, + audio_stream_type_t stream, + uint32_t in_past_ms); + + bool (*is_source_active)(const struct audio_policy *pol, + audio_source_t source); + + /* dump state */ + int (*dump)(const struct audio_policy *pol, int fd); +}; + +/* audio hw module handle used by load_hw_module(), open_output_on_module() + * and open_input_on_module() */ +typedef int audio_module_handle_t; + +struct audio_policy_service_ops { + /* + * Audio output Control functions + */ + + /* Opens an audio output with the requested parameters. + * + * The parameter values can indicate to use the default values in case the + * audio policy manager has no specific requirements for the output being + * opened. + * + * When the function returns, the parameter values reflect the actual + * values used by the audio hardware output stream. + * + * The audio policy manager can check if the proposed parameters are + * suitable or not and act accordingly. + */ + audio_io_handle_t (*open_output)(void *service, + audio_devices_t *pDevices, + uint32_t *pSamplingRate, + audio_format_t *pFormat, + audio_channel_mask_t *pChannelMask, + uint32_t *pLatencyMs, + audio_output_flags_t flags); + + /* creates a special output that is duplicated to the two outputs passed as + * arguments. The duplication is performed by + * a special mixer thread in the AudioFlinger. + */ + audio_io_handle_t (*open_duplicate_output)(void *service, + audio_io_handle_t output1, + audio_io_handle_t output2); + + /* closes the output stream */ + int (*close_output)(void *service, audio_io_handle_t output); + + /* suspends the output. + * + * When an output is suspended, the corresponding audio hardware output + * stream is placed in standby and the AudioTracks attached to the mixer + * thread are still processed but the output mix is discarded. + */ + int (*suspend_output)(void *service, audio_io_handle_t output); + + /* restores a suspended output. */ + int (*restore_output)(void *service, audio_io_handle_t output); + + /* */ + /* Audio input Control functions */ + /* */ + + /* opens an audio input + * deprecated - new implementations should use open_input_on_module, + * and the acoustics parameter is ignored + */ + audio_io_handle_t (*open_input)(void *service, + audio_devices_t *pDevices, + uint32_t *pSamplingRate, + audio_format_t *pFormat, + audio_channel_mask_t *pChannelMask, + audio_in_acoustics_t acoustics); + + /* closes an audio input */ + int (*close_input)(void *service, audio_io_handle_t input); + + /* */ + /* misc control functions */ + /* */ + + /* set a stream volume for a particular output. + * + * For the same user setting, a given stream type can have different + * volumes for each output (destination device) it is attached to. + */ + int (*set_stream_volume)(void *service, + audio_stream_type_t stream, + float volume, + audio_io_handle_t output, + int delay_ms); + + /* reroute a given stream type to the specified output */ + int (*set_stream_output)(void *service, + audio_stream_type_t stream, + audio_io_handle_t output); + + /* function enabling to send proprietary informations directly from audio + * policy manager to audio hardware interface. */ + void (*set_parameters)(void *service, + audio_io_handle_t io_handle, + const char *kv_pairs, + int delay_ms); + + /* function enabling to receive proprietary informations directly from + * audio hardware interface to audio policy manager. + * + * Returns a pointer to a heap allocated string. The caller is responsible + * for freeing the memory for it using free(). + */ + + char * (*get_parameters)(void *service, audio_io_handle_t io_handle, + const char *keys); + + /* request the playback of a tone on the specified stream. + * used for instance to replace notification sounds when playing over a + * telephony device during a phone call. + */ + int (*start_tone)(void *service, + audio_policy_tone_t tone, + audio_stream_type_t stream); + + int (*stop_tone)(void *service); + + /* set down link audio volume. */ + int (*set_voice_volume)(void *service, + float volume, + int delay_ms); + + /* move effect to the specified output */ + int (*move_effects)(void *service, + int session, + audio_io_handle_t src_output, + audio_io_handle_t dst_output); + + /* loads an audio hw module. + * + * The module name passed is the base name of the HW module library, e.g "primary" or "a2dp". + * The function returns a handle on the module that will be used to specify a particular + * module when calling open_output_on_module() or open_input_on_module() + */ + audio_module_handle_t (*load_hw_module)(void *service, + const char *name); + + /* Opens an audio output on a particular HW module. + * + * Same as open_output() but specifying a specific HW module on which the output must be opened. + */ + audio_io_handle_t (*open_output_on_module)(void *service, + audio_module_handle_t module, + audio_devices_t *pDevices, + uint32_t *pSamplingRate, + audio_format_t *pFormat, + audio_channel_mask_t *pChannelMask, + uint32_t *pLatencyMs, + audio_output_flags_t flags); + + /* Opens an audio input on a particular HW module. + * + * Same as open_input() but specifying a specific HW module on which the input must be opened. + * Also removed deprecated acoustics parameter + */ + audio_io_handle_t (*open_input_on_module)(void *service, + audio_module_handle_t module, + audio_devices_t *pDevices, + uint32_t *pSamplingRate, + audio_format_t *pFormat, + audio_channel_mask_t *pChannelMask); + +}; + +/**********************************************************************/ + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +typedef struct audio_policy_module { + struct hw_module_t common; +} audio_policy_module_t; + +struct audio_policy_device { + struct hw_device_t common; + + int (*create_audio_policy)(const struct audio_policy_device *device, + struct audio_policy_service_ops *aps_ops, + void *service, + struct audio_policy **ap); + + int (*destroy_audio_policy)(const struct audio_policy_device *device, + struct audio_policy *ap); +}; + +/** convenience API for opening and closing a supported device */ + +static inline int audio_policy_dev_open(const hw_module_t* module, + struct audio_policy_device** device) +{ + return module->methods->open(module, AUDIO_POLICY_INTERFACE, + (hw_device_t**)device); +} + +static inline int audio_policy_dev_close(struct audio_policy_device* device) +{ + return device->common.close(&device->common); +} + + +__END_DECLS + +#endif // ANDROID_AUDIO_POLICY_INTERFACE_H diff --git a/hardware/bluetooth.h b/hardware/bluetooth.h new file mode 100644 index 0000000..be7f0b1 --- /dev/null +++ b/hardware/bluetooth.h @@ -0,0 +1,441 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BLUETOOTH_H +#define ANDROID_INCLUDE_BLUETOOTH_H + +#include +#include +#include + +#include + +__BEGIN_DECLS + +/** + * The Bluetooth Hardware Module ID + */ + +#define BT_HARDWARE_MODULE_ID "bluetooth" +#define BT_STACK_MODULE_ID "bluetooth" +#define BT_STACK_TEST_MODULE_ID "bluetooth_test" + + +/* Bluetooth profile interface IDs */ + +#define BT_PROFILE_HANDSFREE_ID "handsfree" +#define BT_PROFILE_ADVANCED_AUDIO_ID "a2dp" +#define BT_PROFILE_HEALTH_ID "health" +#define BT_PROFILE_SOCKETS_ID "socket" +#define BT_PROFILE_HIDHOST_ID "hidhost" +#define BT_PROFILE_PAN_ID "pan" + + +/** Bluetooth Address */ +typedef struct { + uint8_t address[6]; +} __attribute__((packed))bt_bdaddr_t; + +/** Bluetooth Device Name */ +typedef struct { + uint8_t name[248]; +} __attribute__((packed))bt_bdname_t; + +/** Bluetooth Adapter Visibility Modes*/ +typedef enum { + BT_SCAN_MODE_NONE, + BT_SCAN_MODE_CONNECTABLE, + BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE +} bt_scan_mode_t; + +/** Bluetooth Adapter State */ +typedef enum { + BT_STATE_OFF, + BT_STATE_ON +} bt_state_t; + +/** Bluetooth Error Status */ +/** We need to build on this */ + +typedef enum { + BT_STATUS_SUCCESS, + BT_STATUS_FAIL, + BT_STATUS_NOT_READY, + BT_STATUS_NOMEM, + BT_STATUS_BUSY, + BT_STATUS_DONE, /* request already completed */ + BT_STATUS_UNSUPPORTED, + BT_STATUS_PARM_INVALID, + BT_STATUS_UNHANDLED, + BT_STATUS_AUTH_FAILURE, + BT_STATUS_RMT_DEV_DOWN + +} bt_status_t; + +/** Bluetooth PinKey Code */ +typedef struct { + uint8_t pin[16]; +} __attribute__((packed))bt_pin_code_t; + +/** Bluetooth Adapter Discovery state */ +typedef enum { + BT_DISCOVERY_STOPPED, + BT_DISCOVERY_STARTED +} bt_discovery_state_t; + +/** Bluetooth ACL connection state */ +typedef enum { + BT_ACL_STATE_CONNECTED, + BT_ACL_STATE_DISCONNECTED +} bt_acl_state_t; + +/** Bluetooth 128-bit UUID */ +typedef struct { + uint8_t uu[16]; +} bt_uuid_t; + +/** Bluetooth SDP service record */ +typedef struct +{ + bt_uuid_t uuid; + uint16_t channel; + char name[256]; // what's the maximum length +} bt_service_record_t; + +/* Bluetooth Adapter and Remote Device property types */ +typedef enum { + /* Properties common to both adapter and remote device */ + /** + * Description - Bluetooth Device Name + * Access mode - Adapter name can be GET/SET. Remote device can be GET + * Data type - bt_bdname_t + */ + BT_PROPERTY_BDNAME = 0x1, + /** + * Description - Bluetooth Device Address + * Access mode - Only GET. + * Data type - bt_bdaddr_t + */ + BT_PROPERTY_BDADDR, + /** + * Description - Bluetooth Service 128-bit UUIDs + * Access mode - Only GET. + * Data type - Array of bt_uuid_t (Array size inferred from property length). + */ + BT_PROPERTY_UUIDS, + /** + * Description - Bluetooth Class of Device as found in Assigned Numbers + * Access mode - Only GET. + * Data type - uint32_t. + */ + BT_PROPERTY_CLASS_OF_DEVICE, + /** + * Description - Device Type - BREDR, BLE or DUAL Mode + * Access mode - Only GET. + * Data type - bt_device_type_t + */ + BT_PROPERTY_TYPE_OF_DEVICE, + /** + * Description - Bluetooth Service Record + * Access mode - Only GET. + * Data type - bt_service_record_t + */ + BT_PROPERTY_SERVICE_RECORD, + + /* Properties unique to adapter */ + /** + * Description - Bluetooth Adapter scan mode + * Access mode - GET and SET + * Data type - bt_scan_mode_t. + */ + BT_PROPERTY_ADAPTER_SCAN_MODE, + /** + * Description - List of bonded devices + * Access mode - Only GET. + * Data type - Array of bt_bdaddr_t of the bonded remote devices + * (Array size inferred from property length). + */ + BT_PROPERTY_ADAPTER_BONDED_DEVICES, + /** + * Description - Bluetooth Adapter Discovery timeout (in seconds) + * Access mode - GET and SET + * Data type - uint32_t + */ + BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT, + + /* Properties unique to remote device */ + /** + * Description - User defined friendly name of the remote device + * Access mode - GET and SET + * Data type - bt_bdname_t. + */ + BT_PROPERTY_REMOTE_FRIENDLY_NAME, + /** + * Description - RSSI value of the inquired remote device + * Access mode - Only GET. + * Data type - int32_t. + */ + BT_PROPERTY_REMOTE_RSSI, + + BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP = 0xFF, +} bt_property_type_t; + +/** Bluetooth Adapter Property data structure */ +typedef struct +{ + bt_property_type_t type; + int len; + void *val; +} bt_property_t; + +/** Bluetooth Device Type */ +typedef enum { + BT_DEVICE_DEVTYPE_BREDR = 0x1, + BT_DEVICE_DEVTYPE_BLE, + BT_DEVICE_DEVTYPE_DUAL +} bt_device_type_t; +/** Bluetooth Bond state */ +typedef enum { + BT_BOND_STATE_NONE, + BT_BOND_STATE_BONDING, + BT_BOND_STATE_BONDED +} bt_bond_state_t; + +/** Bluetooth SSP Bonding Variant */ +typedef enum { + BT_SSP_VARIANT_PASSKEY_CONFIRMATION, + BT_SSP_VARIANT_PASSKEY_ENTRY, + BT_SSP_VARIANT_CONSENT, + BT_SSP_VARIANT_PASSKEY_NOTIFICATION +} bt_ssp_variant_t; + +#define BT_MAX_NUM_UUIDS 32 + +/** Bluetooth Interface callbacks */ + +/** Bluetooth Enable/Disable Callback. */ +typedef void (*adapter_state_changed_callback)(bt_state_t state); + +/** GET/SET Adapter Properties callback */ +/* TODO: For the GET/SET property APIs/callbacks, we may need a session + * identifier to associate the call with the callback. This would be needed + * whenever more than one simultaneous instance of the same adapter_type + * is get/set. + * + * If this is going to be handled in the Java framework, then we do not need + * to manage sessions here. + */ +typedef void (*adapter_properties_callback)(bt_status_t status, + int num_properties, + bt_property_t *properties); + +/** GET/SET Remote Device Properties callback */ +/** TODO: For remote device properties, do not see a need to get/set + * multiple properties - num_properties shall be 1 + */ +typedef void (*remote_device_properties_callback)(bt_status_t status, + bt_bdaddr_t *bd_addr, + int num_properties, + bt_property_t *properties); + +/** New device discovered callback */ +/** If EIR data is not present, then BD_NAME and RSSI shall be NULL and -1 + * respectively */ +typedef void (*device_found_callback)(int num_properties, + bt_property_t *properties); + +/** Discovery state changed callback */ +typedef void (*discovery_state_changed_callback)(bt_discovery_state_t state); + +/** Bluetooth Legacy PinKey Request callback */ +typedef void (*pin_request_callback)(bt_bdaddr_t *remote_bd_addr, + bt_bdname_t *bd_name, uint32_t cod); + +/** Bluetooth SSP Request callback - Just Works & Numeric Comparison*/ +/** pass_key - Shall be 0 for BT_SSP_PAIRING_VARIANT_CONSENT & + * BT_SSP_PAIRING_PASSKEY_ENTRY */ +/* TODO: Passkey request callback shall not be needed for devices with display + * capability. We still need support this in the stack for completeness */ +typedef void (*ssp_request_callback)(bt_bdaddr_t *remote_bd_addr, + bt_bdname_t *bd_name, + uint32_t cod, + bt_ssp_variant_t pairing_variant, + uint32_t pass_key); + +/** Bluetooth Bond state changed callback */ +/* Invoked in response to create_bond, cancel_bond or remove_bond */ +typedef void (*bond_state_changed_callback)(bt_status_t status, + bt_bdaddr_t *remote_bd_addr, + bt_bond_state_t state); + +/** Bluetooth ACL connection state changed callback */ +typedef void (*acl_state_changed_callback)(bt_status_t status, bt_bdaddr_t *remote_bd_addr, + bt_acl_state_t state); + +typedef enum { + ASSOCIATE_JVM, + DISASSOCIATE_JVM +} bt_cb_thread_evt; + +/** Thread Associate/Disassociate JVM Callback */ +/* Callback that is invoked by the callback thread to allow upper layer to attach/detach to/from + * the JVM */ +typedef void (*callback_thread_event)(bt_cb_thread_evt evt); + +/** Bluetooth Test Mode Callback */ +/* Receive any HCI event from controller. Must be in DUT Mode for this callback to be received */ +typedef void (*dut_mode_recv_callback)(uint16_t opcode, uint8_t *buf, uint8_t len); + +/** TODO: Add callbacks for Link Up/Down and other generic + * notifications/callbacks */ + +/** Bluetooth DM callback structure. */ +typedef struct { + /** set to sizeof(bt_callbacks_t) */ + size_t size; + adapter_state_changed_callback adapter_state_changed_cb; + adapter_properties_callback adapter_properties_cb; + remote_device_properties_callback remote_device_properties_cb; + device_found_callback device_found_cb; + discovery_state_changed_callback discovery_state_changed_cb; + pin_request_callback pin_request_cb; + ssp_request_callback ssp_request_cb; + bond_state_changed_callback bond_state_changed_cb; + acl_state_changed_callback acl_state_changed_cb; + callback_thread_event thread_evt_cb; + dut_mode_recv_callback dut_mode_recv_cb; +} bt_callbacks_t; + +/** NOTE: By default, no profiles are initialized at the time of init/enable. + * Whenever the application invokes the 'init' API of a profile, then one of + * the following shall occur: + * + * 1.) If Bluetooth is not enabled, then the Bluetooth core shall mark the + * profile as enabled. Subsequently, when the application invokes the + * Bluetooth 'enable', as part of the enable sequence the profile that were + * marked shall be enabled by calling appropriate stack APIs. The + * 'adapter_properties_cb' shall return the list of UUIDs of the + * enabled profiles. + * + * 2.) If Bluetooth is enabled, then the Bluetooth core shall invoke the stack + * profile API to initialize the profile and trigger a + * 'adapter_properties_cb' with the current list of UUIDs including the + * newly added profile's UUID. + * + * The reverse shall occur whenever the profile 'cleanup' APIs are invoked + */ + +/** Represents the standard Bluetooth DM interface. */ +typedef struct { + /** set to sizeof(bt_interface_t) */ + size_t size; + /** + * Opens the interface and provides the callback routines + * to the implemenation of this interface. + */ + int (*init)(bt_callbacks_t* callbacks ); + + /** Enable Bluetooth. */ + int (*enable)(void); + + /** Disable Bluetooth. */ + int (*disable)(void); + + /** Closes the interface. */ + void (*cleanup)(void); + + /** Get all Bluetooth Adapter properties at init */ + int (*get_adapter_properties)(void); + + /** Get Bluetooth Adapter property of 'type' */ + int (*get_adapter_property)(bt_property_type_t type); + + /** Set Bluetooth Adapter property of 'type' */ + /* Based on the type, val shall be one of + * bt_bdaddr_t or bt_bdname_t or bt_scanmode_t etc + */ + int (*set_adapter_property)(const bt_property_t *property); + + /** Get all Remote Device properties */ + int (*get_remote_device_properties)(bt_bdaddr_t *remote_addr); + + /** Get Remote Device property of 'type' */ + int (*get_remote_device_property)(bt_bdaddr_t *remote_addr, + bt_property_type_t type); + + /** Set Remote Device property of 'type' */ + int (*set_remote_device_property)(bt_bdaddr_t *remote_addr, + const bt_property_t *property); + + /** Get Remote Device's service record for the given UUID */ + int (*get_remote_service_record)(bt_bdaddr_t *remote_addr, + bt_uuid_t *uuid); + + /** Start SDP to get remote services */ + int (*get_remote_services)(bt_bdaddr_t *remote_addr); + + /** Start Discovery */ + int (*start_discovery)(void); + + /** Cancel Discovery */ + int (*cancel_discovery)(void); + + /** Create Bluetooth Bonding */ + int (*create_bond)(const bt_bdaddr_t *bd_addr); + + /** Remove Bond */ + int (*remove_bond)(const bt_bdaddr_t *bd_addr); + + /** Cancel Bond */ + int (*cancel_bond)(const bt_bdaddr_t *bd_addr); + + /** BT Legacy PinKey Reply */ + /** If accept==FALSE, then pin_len and pin_code shall be 0x0 */ + int (*pin_reply)(const bt_bdaddr_t *bd_addr, uint8_t accept, + uint8_t pin_len, bt_pin_code_t *pin_code); + + /** BT SSP Reply - Just Works, Numeric Comparison and Passkey + * passkey shall be zero for BT_SSP_VARIANT_PASSKEY_COMPARISON & + * BT_SSP_VARIANT_CONSENT + * For BT_SSP_VARIANT_PASSKEY_ENTRY, if accept==FALSE, then passkey + * shall be zero */ + int (*ssp_reply)(const bt_bdaddr_t *bd_addr, bt_ssp_variant_t variant, + uint8_t accept, uint32_t passkey); + + /** Get Bluetooth profile interface */ + const void* (*get_profile_interface) (const char *profile_id); + + /** Bluetooth Test Mode APIs - Bluetooth must be enabled for these APIs */ + /* Configure DUT Mode - Use this mode to enter/exit DUT mode */ + int (*dut_mode_configure)(uint8_t enable); + + /* Send any test HCI (vendor-specific) command to the controller. Must be in DUT Mode */ + int (*dut_mode_send)(uint16_t opcode, uint8_t *buf, uint8_t len); +} bt_interface_t; + +/** TODO: Need to add APIs for Service Discovery, Service authorization and + * connection management. Also need to add APIs for configuring + * properties of remote bonded devices such as name, UUID etc. */ + +typedef struct { + struct hw_device_t common; + const bt_interface_t* (*get_bluetooth_interface)(); +} bluetooth_device_t; + +typedef bluetooth_device_t bluetooth_module_t; +__END_DECLS + +#endif /* ANDROID_INCLUDE_BLUETOOTH_H */ diff --git a/hardware/bt_av.h b/hardware/bt_av.h new file mode 100644 index 0000000..2ec00c3 --- /dev/null +++ b/hardware/bt_av.h @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_AV_H +#define ANDROID_INCLUDE_BT_AV_H + +__BEGIN_DECLS + +/* Bluetooth AV connection states */ +typedef enum { + BTAV_CONNECTION_STATE_DISCONNECTED = 0, + BTAV_CONNECTION_STATE_CONNECTING, + BTAV_CONNECTION_STATE_CONNECTED, + BTAV_CONNECTION_STATE_DISCONNECTING +} btav_connection_state_t; + +/* Bluetooth AV datapath states */ +typedef enum { + BTAV_AUDIO_STATE_REMOTE_SUSPEND = 0, + BTAV_AUDIO_STATE_STOPPED, + BTAV_AUDIO_STATE_STARTED, +} btav_audio_state_t; + + +/** Callback for connection state change. + * state will have one of the values from btav_connection_state_t + */ +typedef void (* btav_connection_state_callback)(btav_connection_state_t state, + bt_bdaddr_t *bd_addr); + +/** Callback for audiopath state change. + * state will have one of the values from btav_audio_state_t + */ +typedef void (* btav_audio_state_callback)(btav_audio_state_t state, + bt_bdaddr_t *bd_addr); + +/** BT-AV callback structure. */ +typedef struct { + /** set to sizeof(btav_callbacks_t) */ + size_t size; + btav_connection_state_callback connection_state_cb; + btav_audio_state_callback audio_state_cb; +} btav_callbacks_t; + +/** + * NOTE: + * + * 1. AVRCP 1.0 shall be supported initially. AVRCP passthrough commands + * shall be handled internally via uinput + * + * 2. A2DP data path shall be handled via a socket pipe between the AudioFlinger + * android_audio_hw library and the Bluetooth stack. + * + */ +/** Represents the standard BT-AV interface. */ +typedef struct { + + /** set to sizeof(btav_interface_t) */ + size_t size; + /** + * Register the BtAv callbacks + */ + bt_status_t (*init)( btav_callbacks_t* callbacks ); + + /** connect to headset */ + bt_status_t (*connect)( bt_bdaddr_t *bd_addr ); + + /** dis-connect from headset */ + bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr ); + + /** Closes the interface. */ + void (*cleanup)( void ); +} btav_interface_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_AV_H */ diff --git a/hardware/bt_hf.h b/hardware/bt_hf.h new file mode 100644 index 0000000..6135ac4 --- /dev/null +++ b/hardware/bt_hf.h @@ -0,0 +1,284 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_HF_H +#define ANDROID_INCLUDE_BT_HF_H + +__BEGIN_DECLS + +/* AT response code - OK/Error */ +typedef enum { + BTHF_AT_RESPONSE_ERROR = 0, + BTHF_AT_RESPONSE_OK +} bthf_at_response_t; + +typedef enum { + BTHF_CONNECTION_STATE_DISCONNECTED = 0, + BTHF_CONNECTION_STATE_CONNECTING, + BTHF_CONNECTION_STATE_CONNECTED, + BTHF_CONNECTION_STATE_SLC_CONNECTED, + BTHF_CONNECTION_STATE_DISCONNECTING +} bthf_connection_state_t; + +typedef enum { + BTHF_AUDIO_STATE_DISCONNECTED = 0, + BTHF_AUDIO_STATE_CONNECTING, + BTHF_AUDIO_STATE_CONNECTED, + BTHF_AUDIO_STATE_DISCONNECTING +} bthf_audio_state_t; + +typedef enum { + BTHF_VR_STATE_STOPPED = 0, + BTHF_VR_STATE_STARTED +} bthf_vr_state_t; + +typedef enum { + BTHF_VOLUME_TYPE_SPK = 0, + BTHF_VOLUME_TYPE_MIC +} bthf_volume_type_t; + +/* Noise Reduction and Echo Cancellation */ +typedef enum +{ + BTHF_NREC_STOP, + BTHF_NREC_START +} bthf_nrec_t; + +/* CHLD - Call held handling */ +typedef enum +{ + BTHF_CHLD_TYPE_RELEASEHELD, // Terminate all held or set UDUB("busy") to a waiting call + BTHF_CHLD_TYPE_RELEASEACTIVE_ACCEPTHELD, // Terminate all active calls and accepts a waiting/held call + BTHF_CHLD_TYPE_HOLDACTIVE_ACCEPTHELD, // Hold all active calls and accepts a waiting/held call + BTHF_CHLD_TYPE_ADDHELDTOCONF, // Add all held calls to a conference +} bthf_chld_type_t; + +/** Callback for connection state change. + * state will have one of the values from BtHfConnectionState + */ +typedef void (* bthf_connection_state_callback)(bthf_connection_state_t state, bt_bdaddr_t *bd_addr); + +/** Callback for audio connection state change. + * state will have one of the values from BtHfAudioState + */ +typedef void (* bthf_audio_state_callback)(bthf_audio_state_t state, bt_bdaddr_t *bd_addr); + +/** Callback for VR connection state change. + * state will have one of the values from BtHfVRState + */ +typedef void (* bthf_vr_cmd_callback)(bthf_vr_state_t state); + +/** Callback for answer incoming call (ATA) + */ +typedef void (* bthf_answer_call_cmd_callback)(); + +/** Callback for disconnect call (AT+CHUP) + */ +typedef void (* bthf_hangup_call_cmd_callback)(); + +/** Callback for disconnect call (AT+CHUP) + * type will denote Speaker/Mic gain (BtHfVolumeControl). + */ +typedef void (* bthf_volume_cmd_callback)(bthf_volume_type_t type, int volume); + +/** Callback for dialing an outgoing call + * If number is NULL, redial + */ +typedef void (* bthf_dial_call_cmd_callback)(char *number); + +/** Callback for sending DTMF tones + * tone contains the dtmf character to be sent + */ +typedef void (* bthf_dtmf_cmd_callback)(char tone); + +/** Callback for enabling/disabling noise reduction/echo cancellation + * value will be 1 to enable, 0 to disable + */ +typedef void (* bthf_nrec_cmd_callback)(bthf_nrec_t nrec); + +/** Callback for call hold handling (AT+CHLD) + * value will contain the call hold command (0, 1, 2, 3) + */ +typedef void (* bthf_chld_cmd_callback)(bthf_chld_type_t chld); + +/** Callback for CNUM (subscriber number) + */ +typedef void (* bthf_cnum_cmd_callback)(); + +/** Callback for indicators (CIND) + */ +typedef void (* bthf_cind_cmd_callback)(); + +/** Callback for operator selection (COPS) + */ +typedef void (* bthf_cops_cmd_callback)(); + +/** Callback for call list (AT+CLCC) + */ +typedef void (* bthf_clcc_cmd_callback) (); + +/** Callback for unknown AT command recd from HF + * at_string will contain the unparsed AT string + */ +typedef void (* bthf_unknown_at_cmd_callback)(char *at_string); + +/** Callback for keypressed (HSP) event. + */ +typedef void (* bthf_key_pressed_cmd_callback)(); + +/** BT-HF callback structure. */ +typedef struct { + /** set to sizeof(BtHfCallbacks) */ + size_t size; + bthf_connection_state_callback connection_state_cb; + bthf_audio_state_callback audio_state_cb; + bthf_vr_cmd_callback vr_cmd_cb; + bthf_answer_call_cmd_callback answer_call_cmd_cb; + bthf_hangup_call_cmd_callback hangup_call_cmd_cb; + bthf_volume_cmd_callback volume_cmd_cb; + bthf_dial_call_cmd_callback dial_call_cmd_cb; + bthf_dtmf_cmd_callback dtmf_cmd_cb; + bthf_nrec_cmd_callback nrec_cmd_cb; + bthf_chld_cmd_callback chld_cmd_cb; + bthf_cnum_cmd_callback cnum_cmd_cb; + bthf_cind_cmd_callback cind_cmd_cb; + bthf_cops_cmd_callback cops_cmd_cb; + bthf_clcc_cmd_callback clcc_cmd_cb; + bthf_unknown_at_cmd_callback unknown_at_cmd_cb; + bthf_key_pressed_cmd_callback key_pressed_cmd_cb; +} bthf_callbacks_t; + +/** Network Status */ +typedef enum +{ + BTHF_NETWORK_STATE_NOT_AVAILABLE = 0, + BTHF_NETWORK_STATE_AVAILABLE +} bthf_network_state_t; + +/** Service type */ +typedef enum +{ + BTHF_SERVICE_TYPE_HOME = 0, + BTHF_SERVICE_TYPE_ROAMING +} bthf_service_type_t; + +typedef enum { + BTHF_CALL_STATE_ACTIVE = 0, + BTHF_CALL_STATE_HELD, + BTHF_CALL_STATE_DIALING, + BTHF_CALL_STATE_ALERTING, + BTHF_CALL_STATE_INCOMING, + BTHF_CALL_STATE_WAITING, + BTHF_CALL_STATE_IDLE +} bthf_call_state_t; + +typedef enum { + BTHF_CALL_DIRECTION_OUTGOING = 0, + BTHF_CALL_DIRECTION_INCOMING +} bthf_call_direction_t; + +typedef enum { + BTHF_CALL_TYPE_VOICE = 0, + BTHF_CALL_TYPE_DATA, + BTHF_CALL_TYPE_FAX +} bthf_call_mode_t; + +typedef enum { + BTHF_CALL_MPTY_TYPE_SINGLE = 0, + BTHF_CALL_MPTY_TYPE_MULTI +} bthf_call_mpty_type_t; + +typedef enum { + BTHF_CALL_ADDRTYPE_UNKNOWN = 0x81, + BTHF_CALL_ADDRTYPE_INTERNATIONAL = 0x91 +} bthf_call_addrtype_t; +/** Represents the standard BT-HF interface. */ +typedef struct { + + /** set to sizeof(BtHfInterface) */ + size_t size; + /** + * Register the BtHf callbacks + */ + bt_status_t (*init)( bthf_callbacks_t* callbacks ); + + /** connect to headset */ + bt_status_t (*connect)( bt_bdaddr_t *bd_addr ); + + /** dis-connect from headset */ + bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr ); + + /** create an audio connection */ + bt_status_t (*connect_audio)( bt_bdaddr_t *bd_addr ); + + /** close the audio connection */ + bt_status_t (*disconnect_audio)( bt_bdaddr_t *bd_addr ); + + /** start voice recognition */ + bt_status_t (*start_voice_recognition)(); + + /** stop voice recognition */ + bt_status_t (*stop_voice_recognition)(); + + /** volume control */ + bt_status_t (*volume_control) (bthf_volume_type_t type, int volume); + + /** Combined device status change notification */ + bt_status_t (*device_status_notification)(bthf_network_state_t ntk_state, bthf_service_type_t svc_type, int signal, + int batt_chg); + + /** Response for COPS command */ + bt_status_t (*cops_response)(const char *cops); + + /** Response for CIND command */ + bt_status_t (*cind_response)(int svc, int num_active, int num_held, bthf_call_state_t call_setup_state, + int signal, int roam, int batt_chg); + + /** Pre-formatted AT response, typically in response to unknown AT cmd */ + bt_status_t (*formatted_at_response)(const char *rsp); + + /** ok/error response + * ERROR (0) + * OK (1) + */ + bt_status_t (*at_response) (bthf_at_response_t response_code, int error_code); + + /** response for CLCC command + * Can be iteratively called for each call index + * Call index of 0 will be treated as NULL termination (Completes response) + */ + bt_status_t (*clcc_response) (int index, bthf_call_direction_t dir, + bthf_call_state_t state, bthf_call_mode_t mode, + bthf_call_mpty_type_t mpty, const char *number, + bthf_call_addrtype_t type); + + /** notify of a call state change + * Each update notifies + * 1. Number of active/held/ringing calls + * 2. call_state: This denotes the state change that triggered this msg + * This will take one of the values from BtHfCallState + * 3. number & type: valid only for incoming & waiting call + */ + bt_status_t (*phone_state_change) (int num_active, int num_held, bthf_call_state_t call_setup_state, + const char *number, bthf_call_addrtype_t type); + + /** Closes the interface. */ + void (*cleanup)( void ); +} bthf_interface_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_HF_H */ diff --git a/hardware/bt_hh.h b/hardware/bt_hh.h new file mode 100644 index 0000000..09f547b --- /dev/null +++ b/hardware/bt_hh.h @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_HH_H +#define ANDROID_INCLUDE_BT_HH_H + +#include + +__BEGIN_DECLS + +#define BTHH_MAX_DSC_LEN 884 + +/* HH connection states */ +typedef enum +{ + BTHH_CONN_STATE_CONNECTED = 0, + BTHH_CONN_STATE_CONNECTING, + BTHH_CONN_STATE_DISCONNECTED, + BTHH_CONN_STATE_DISCONNECTING, + BTHH_CONN_STATE_FAILED_MOUSE_FROM_HOST, + BTHH_CONN_STATE_FAILED_KBD_FROM_HOST, + BTHH_CONN_STATE_FAILED_TOO_MANY_DEVICES, + BTHH_CONN_STATE_FAILED_NO_BTHID_DRIVER, + BTHH_CONN_STATE_FAILED_GENERIC, + BTHH_CONN_STATE_UNKNOWN +} bthh_connection_state_t; + +typedef enum +{ + BTHH_OK = 0, + BTHH_HS_HID_NOT_READY, /* handshake error : device not ready */ + BTHH_HS_INVALID_RPT_ID, /* handshake error : invalid report ID */ + BTHH_HS_TRANS_NOT_SPT, /* handshake error : transaction not spt */ + BTHH_HS_INVALID_PARAM, /* handshake error : invalid paremter */ + BTHH_HS_ERROR, /* handshake error : unspecified HS error */ + BTHH_ERR, /* general BTA HH error */ + BTHH_ERR_SDP, /* SDP error */ + BTHH_ERR_PROTO, /* SET_Protocol error, + only used in BTA_HH_OPEN_EVT callback */ + BTHH_ERR_DB_FULL, /* device database full error, used */ + BTHH_ERR_TOD_UNSPT, /* type of device not supported */ + BTHH_ERR_NO_RES, /* out of system resources */ + BTHH_ERR_AUTH_FAILED, /* authentication fail */ + BTHH_ERR_HDL +}bthh_status_t; + +/* Protocol modes */ +typedef enum { + BTHH_REPORT_MODE = 0x00, + BTHH_BOOT_MODE = 0x01, + BTHH_UNSUPPORTED_MODE = 0xff +}bthh_protocol_mode_t; + +/* Report types */ +typedef enum { + BTHH_INPUT_REPORT = 1, + BTHH_OUTPUT_REPORT, + BTHH_FEATURE_REPORT +}bthh_report_type_t; + +typedef struct +{ + int attr_mask; + uint8_t sub_class; + uint8_t app_id; + int vendor_id; + int product_id; + int version; + uint8_t ctry_code; + int dl_len; + uint8_t dsc_list[BTHH_MAX_DSC_LEN]; +} bthh_hid_info_t; + +/** Callback for connection state change. + * state will have one of the values from bthh_connection_state_t + */ +typedef void (* bthh_connection_state_callback)(bt_bdaddr_t *bd_addr, bthh_connection_state_t state); + +/** Callback for vitual unplug api. + * the status of the vitual unplug + */ +typedef void (* bthh_virtual_unplug_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status); + +/** Callback for get hid info + * hid_info will contain attr_mask, sub_class, app_id, vendor_id, product_id, version, ctry_code, len + */ +typedef void (* bthh_hid_info_callback)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info); + +/** Callback for get/set protocal api. + * the protocol mode is one of the value from bthh_protocol_mode_t + */ +typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status,bthh_protocol_mode_t mode); + +/** Callback for get/set_idle_time api. + */ +typedef void (* bthh_idle_time_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, int idle_rate); + + +/** Callback for get report api. + * if staus is ok rpt_data contains the report data + */ +typedef void (* bthh_get_report_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, uint8_t* rpt_data, int rpt_size); + + +/** BT-HH callback structure. */ +typedef struct { + /** set to sizeof(BtHfCallbacks) */ + size_t size; + bthh_connection_state_callback connection_state_cb; + bthh_hid_info_callback hid_info_cb; + bthh_protocol_mode_callback protocol_mode_cb; + bthh_idle_time_callback idle_time_cb; + bthh_get_report_callback get_report_cb; + bthh_virtual_unplug_callback virtual_unplug_cb; + +} bthh_callbacks_t; + + + +/** Represents the standard BT-HH interface. */ +typedef struct { + + /** set to sizeof(BtHhInterface) */ + size_t size; + + /** + * Register the BtHh callbacks + */ + bt_status_t (*init)( bthh_callbacks_t* callbacks ); + + /** connect to hid device */ + bt_status_t (*connect)( bt_bdaddr_t *bd_addr); + + /** dis-connect from hid device */ + bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr ); + + /** Virtual UnPlug (VUP) the specified HID device */ + bt_status_t (*virtual_unplug)(bt_bdaddr_t *bd_addr); + + /** Set the HID device descriptor for the specified HID device. */ + bt_status_t (*set_info)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ); + + /** Get the HID proto mode. */ + bt_status_t (*get_protocol) (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode); + + /** Set the HID proto mode. */ + bt_status_t (*set_protocol)(bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode); + + /** Send a GET_REPORT to HID device. */ + bt_status_t (*get_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize); + + /** Send a SET_REPORT to HID device. */ + bt_status_t (*set_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report); + + /** Send data to HID device. */ + bt_status_t (*send_data)(bt_bdaddr_t *bd_addr, char* data); + + /** Closes the interface. */ + void (*cleanup)( void ); + +} bthh_interface_t; +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_HH_H */ + + diff --git a/hardware/bt_hl.h b/hardware/bt_hl.h new file mode 100644 index 0000000..bd29e3a --- /dev/null +++ b/hardware/bt_hl.h @@ -0,0 +1,123 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_HL_H +#define ANDROID_INCLUDE_BT_HL_H + +__BEGIN_DECLS + +/* HL connection states */ + +typedef enum +{ + BTHL_MDEP_ROLE_SOURCE, + BTHL_MDEP_ROLE_SINK +} bthl_mdep_role_t; + +typedef enum { + BTHL_APP_REG_STATE_REG_SUCCESS, + BTHL_APP_REG_STATE_REG_FAILED, + BTHL_APP_REG_STATE_DEREG_SUCCESS, + BTHL_APP_REG_STATE_DEREG_FAILED +} bthl_app_reg_state_t; + +typedef enum +{ + BTHL_CHANNEL_TYPE_RELIABLE, + BTHL_CHANNEL_TYPE_STREAMING, + BTHL_CHANNEL_TYPE_ANY +} bthl_channel_type_t; + + +/* HL connection states */ +typedef enum { + BTHL_CONN_STATE_CONNECTING, + BTHL_CONN_STATE_CONNECTED, + BTHL_CONN_STATE_DISCONNECTING, + BTHL_CONN_STATE_DISCONNECTED, + BTHL_CONN_STATE_DESTROYED +} bthl_channel_state_t; + +typedef struct +{ + bthl_mdep_role_t mdep_role; + int data_type; + bthl_channel_type_t channel_type; + const char *mdep_description; /* MDEP description to be used in the SDP (optional); null terminated */ +} bthl_mdep_cfg_t; + +typedef struct +{ + const char *application_name; + const char *provider_name; /* provider name to be used in the SDP (optional); null terminated */ + const char *srv_name; /* service name to be used in the SDP (optional); null terminated*/ + const char *srv_desp; /* service description to be used in the SDP (optional); null terminated */ + int number_of_mdeps; + bthl_mdep_cfg_t *mdep_cfg; /* Dynamic array */ +} bthl_reg_param_t; + +/** Callback for application registration status. + * state will have one of the values from bthl_app_reg_state_t + */ +typedef void (* bthl_app_reg_state_callback)(int app_id, bthl_app_reg_state_t state); + +/** Callback for channel connection state change. + * state will have one of the values from + * bthl_connection_state_t and fd (file descriptor) + */ +typedef void (* bthl_channel_state_callback)(int app_id, bt_bdaddr_t *bd_addr, int mdep_cfg_index, int channel_id, bthl_channel_state_t state, int fd); + +/** BT-HL callback structure. */ +typedef struct { + /** set to sizeof(bthl_callbacks_t) */ + size_t size; + bthl_app_reg_state_callback app_reg_state_cb; + bthl_channel_state_callback channel_state_cb; +} bthl_callbacks_t; + + +/** Represents the standard BT-HL interface. */ +typedef struct { + + /** set to sizeof(bthl_interface_t) */ + size_t size; + + /** + * Register the Bthl callbacks + */ + bt_status_t (*init)( bthl_callbacks_t* callbacks ); + + /** Register HL application */ + bt_status_t (*register_application) ( bthl_reg_param_t *p_reg_param, int *app_id); + + /** Unregister HL application */ + bt_status_t (*unregister_application) (int app_id); + + /** connect channel */ + bt_status_t (*connect_channel)(int app_id, bt_bdaddr_t *bd_addr, int mdep_cfg_index, int *channel_id); + + /** destroy channel */ + bt_status_t (*destroy_channel)(int channel_id); + + /** Close the Bthl callback **/ + void (*cleanup)(void); + +} bthl_interface_t; +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_HL_H */ + + diff --git a/hardware/bt_pan.h b/hardware/bt_pan.h new file mode 100644 index 0000000..c8b36b4 --- /dev/null +++ b/hardware/bt_pan.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_PAN_H +#define ANDROID_INCLUDE_BT_PAN_H + +__BEGIN_DECLS + +#define BTPAN_ROLE_NONE 0 +#define BTPAN_ROLE_PANNAP 1 +#define BTPAN_ROLE_PANU 2 + +typedef enum { + BTPAN_STATE_CONNECTED = 0, + BTPAN_STATE_CONNECTING = 1, + BTPAN_STATE_DISCONNECTED = 2, + BTPAN_STATE_DISCONNECTING = 3 +} btpan_connection_state_t; + +typedef enum { + BTPAN_STATE_ENABLED = 0, + BTPAN_STATE_DISABLED = 1 +} btpan_control_state_t; + +/** +* Callback for pan connection state +*/ +typedef void (*btpan_connection_state_callback)(btpan_connection_state_t state, bt_status_t error, + const bt_bdaddr_t *bd_addr, int local_role, int remote_role); +typedef void (*btpan_control_state_callback)(btpan_control_state_t state, bt_status_t error, + int local_role, const char* ifname); + +typedef struct { + size_t size; + btpan_control_state_callback control_state_cb; + btpan_connection_state_callback connection_state_cb; +} btpan_callbacks_t; +typedef struct { + /** set to size of this struct*/ + size_t size; + /** + * Initialize the pan interface and register the btpan callbacks + */ + bt_status_t (*init)(const btpan_callbacks_t* callbacks); + /* + * enable the pan service by specified role. The result state of + * enabl will be returned by btpan_control_state_callback. when pan-nap is enabled, + * the state of connecting panu device will be notified by btpan_connection_state_callback + */ + bt_status_t (*enable)(int local_role); + /* + * get current pan local role + */ + int (*get_local_role)(void); + /** + * start bluetooth pan connection to the remote device by specified pan role. The result state will be + * returned by btpan_connection_state_callback + */ + bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, int local_role, int remote_role); + /** + * stop bluetooth pan connection. The result state will be returned by btpan_connection_state_callback + */ + bt_status_t (*disconnect)(const bt_bdaddr_t *bd_addr); + + /** + * Cleanup the pan interface + */ + void (*cleanup)(void); + +} btpan_interface_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_PAN_H */ diff --git a/hardware/bt_sock.h b/hardware/bt_sock.h new file mode 100644 index 0000000..a4aa046 --- /dev/null +++ b/hardware/bt_sock.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_SOCK_H +#define ANDROID_INCLUDE_BT_SOCK_H + +__BEGIN_DECLS + +#define BTSOCK_FLAG_ENCRYPT 1 +#define BTSOCK_FLAG_AUTH (1 << 1) + +typedef enum { + BTSOCK_RFCOMM = 1, + BTSOCK_SCO = 2, + BTSOCK_L2CAP = 3 +} btsock_type_t; + +/** Represents the standard BT SOCKET interface. */ +typedef struct { + short size; + bt_bdaddr_t bd_addr; + int channel; + int status; +} __attribute__((packed)) sock_connect_signal_t; + +typedef struct { + + /** set to size of this struct*/ + size_t size; + /** + * listen to a rfcomm uuid or channel. It returns the socket fd from which + * btsock_connect_signal can be read out when a remote device connected + */ + bt_status_t (*listen)(btsock_type_t type, const char* service_name, const uint8_t* service_uuid, int channel, int* sock_fd, int flags); + /* + * connect to a rfcomm uuid channel of remote device, It returns the socket fd from which + * the btsock_connect_signal and a new socket fd to be accepted can be read out when connected + */ + bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, btsock_type_t type, const uint8_t* uuid, int channel, int* sock_fd, int flags); + +} btsock_interface_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_SOCK_H */ diff --git a/hardware/camera.h b/hardware/camera.h new file mode 100644 index 0000000..2cd17e1 --- /dev/null +++ b/hardware/camera.h @@ -0,0 +1,298 @@ +/* + * Copyright (C) 2010-2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_CAMERA_H +#define ANDROID_INCLUDE_CAMERA_H + +#include "camera_common.h" + +/** + * Camera device HAL, initial version [ CAMERA_DEVICE_API_VERSION_1_0 ] + * + * Supports the android.hardware.Camera API. + * + * Camera devices that support this version of the HAL must return a value in + * the range HARDWARE_DEVICE_API_VERSION(0,0)-(1,FF) in + * camera_device_t.common.version. CAMERA_DEVICE_API_VERSION_1_0 is the + * recommended value. + * + * Camera modules that implement version 2.0 or higher of camera_module_t must + * also return the value of camera_device_t.common.version in + * camera_info_t.device_version. + * + * See camera_common.h for more details. + */ + +__BEGIN_DECLS + +struct camera_memory; +typedef void (*camera_release_memory)(struct camera_memory *mem); + +typedef struct camera_memory { + void *data; + size_t size; + void *handle; + camera_release_memory release; +} camera_memory_t; + +typedef camera_memory_t* (*camera_request_memory)(int fd, size_t buf_size, unsigned int num_bufs, + void *user); + +typedef void (*camera_notify_callback)(int32_t msg_type, + int32_t ext1, + int32_t ext2, + void *user); + +typedef void (*camera_data_callback)(int32_t msg_type, + const camera_memory_t *data, unsigned int index, + camera_frame_metadata_t *metadata, void *user); + +typedef void (*camera_data_timestamp_callback)(int64_t timestamp, + int32_t msg_type, + const camera_memory_t *data, unsigned int index, + void *user); + +#define HAL_CAMERA_PREVIEW_WINDOW_TAG 0xcafed00d + +typedef struct preview_stream_ops { + int (*dequeue_buffer)(struct preview_stream_ops* w, + buffer_handle_t** buffer, int *stride); + int (*enqueue_buffer)(struct preview_stream_ops* w, + buffer_handle_t* buffer); + int (*cancel_buffer)(struct preview_stream_ops* w, + buffer_handle_t* buffer); + int (*set_buffer_count)(struct preview_stream_ops* w, int count); +#ifdef HTC_3D_SUPPORT + int (*set_3d_mode)(const struct preview_stream_ops *w, int r1, int r2, int r3); +#endif + int (*set_buffers_geometry)(struct preview_stream_ops* pw, + int w, int h, int format); + int (*set_crop)(struct preview_stream_ops *w, + int left, int top, int right, int bottom); + int (*set_usage)(struct preview_stream_ops* w, int usage); + int (*set_swap_interval)(struct preview_stream_ops *w, int interval); + int (*get_min_undequeued_buffer_count)(const struct preview_stream_ops *w, + int *count); + int (*lock_buffer)(struct preview_stream_ops* w, + buffer_handle_t* buffer); + // Timestamps are measured in nanoseconds, and must be comparable + // and monotonically increasing between two frames in the same + // preview stream. They do not need to be comparable between + // consecutive or parallel preview streams, cameras, or app runs. + int (*set_timestamp)(struct preview_stream_ops *w, int64_t timestamp); +} preview_stream_ops_t; + +struct camera_device; +typedef struct camera_device_ops { + /** Set the ANativeWindow to which preview frames are sent */ + int (*set_preview_window)(struct camera_device *, + struct preview_stream_ops *window); + + /** Set the notification and data callbacks */ + void (*set_callbacks)(struct camera_device *, + camera_notify_callback notify_cb, + camera_data_callback data_cb, + camera_data_timestamp_callback data_cb_timestamp, + camera_request_memory get_memory, + void *user); + + /** + * The following three functions all take a msg_type, which is a bitmask of + * the messages defined in include/ui/Camera.h + */ + + /** + * Enable a message, or set of messages. + */ + void (*enable_msg_type)(struct camera_device *, int32_t msg_type); + + /** + * Disable a message, or a set of messages. + * + * Once received a call to disableMsgType(CAMERA_MSG_VIDEO_FRAME), camera + * HAL should not rely on its client to call releaseRecordingFrame() to + * release video recording frames sent out by the cameral HAL before and + * after the disableMsgType(CAMERA_MSG_VIDEO_FRAME) call. Camera HAL + * clients must not modify/access any video recording frame after calling + * disableMsgType(CAMERA_MSG_VIDEO_FRAME). + */ + void (*disable_msg_type)(struct camera_device *, int32_t msg_type); + + /** + * Query whether a message, or a set of messages, is enabled. Note that + * this is operates as an AND, if any of the messages queried are off, this + * will return false. + */ + int (*msg_type_enabled)(struct camera_device *, int32_t msg_type); + + /** + * Start preview mode. + */ + int (*start_preview)(struct camera_device *); + + /** + * Stop a previously started preview. + */ + void (*stop_preview)(struct camera_device *); + + /** + * Returns true if preview is enabled. + */ + int (*preview_enabled)(struct camera_device *); + + /** + * Request the camera HAL to store meta data or real YUV data in the video + * buffers sent out via CAMERA_MSG_VIDEO_FRAME for a recording session. If + * it is not called, the default camera HAL behavior is to store real YUV + * data in the video buffers. + * + * This method should be called before startRecording() in order to be + * effective. + * + * If meta data is stored in the video buffers, it is up to the receiver of + * the video buffers to interpret the contents and to find the actual frame + * data with the help of the meta data in the buffer. How this is done is + * outside of the scope of this method. + * + * Some camera HALs may not support storing meta data in the video buffers, + * but all camera HALs should support storing real YUV data in the video + * buffers. If the camera HAL does not support storing the meta data in the + * video buffers when it is requested to do do, INVALID_OPERATION must be + * returned. It is very useful for the camera HAL to pass meta data rather + * than the actual frame data directly to the video encoder, since the + * amount of the uncompressed frame data can be very large if video size is + * large. + * + * @param enable if true to instruct the camera HAL to store + * meta data in the video buffers; false to instruct + * the camera HAL to store real YUV data in the video + * buffers. + * + * @return OK on success. + */ + int (*store_meta_data_in_buffers)(struct camera_device *, int enable); + + /** + * Start record mode. When a record image is available, a + * CAMERA_MSG_VIDEO_FRAME message is sent with the corresponding + * frame. Every record frame must be released by a camera HAL client via + * releaseRecordingFrame() before the client calls + * disableMsgType(CAMERA_MSG_VIDEO_FRAME). After the client calls + * disableMsgType(CAMERA_MSG_VIDEO_FRAME), it is the camera HAL's + * responsibility to manage the life-cycle of the video recording frames, + * and the client must not modify/access any video recording frames. + */ + int (*start_recording)(struct camera_device *); + + /** + * Stop a previously started recording. + */ + void (*stop_recording)(struct camera_device *); + + /** + * Returns true if recording is enabled. + */ + int (*recording_enabled)(struct camera_device *); + + /** + * Release a record frame previously returned by CAMERA_MSG_VIDEO_FRAME. + * + * It is camera HAL client's responsibility to release video recording + * frames sent out by the camera HAL before the camera HAL receives a call + * to disableMsgType(CAMERA_MSG_VIDEO_FRAME). After it receives the call to + * disableMsgType(CAMERA_MSG_VIDEO_FRAME), it is the camera HAL's + * responsibility to manage the life-cycle of the video recording frames. + */ + void (*release_recording_frame)(struct camera_device *, + const void *opaque); + + /** + * Start auto focus, the notification callback routine is called with + * CAMERA_MSG_FOCUS once when focusing is complete. autoFocus() will be + * called again if another auto focus is needed. + */ + int (*auto_focus)(struct camera_device *); + + /** + * Cancels auto-focus function. If the auto-focus is still in progress, + * this function will cancel it. Whether the auto-focus is in progress or + * not, this function will return the focus position to the default. If + * the camera does not support auto-focus, this is a no-op. + */ + int (*cancel_auto_focus)(struct camera_device *); + + /** + * Take a picture. + */ + int (*take_picture)(struct camera_device *); + + /** + * Cancel a picture that was started with takePicture. Calling this method + * when no picture is being taken is a no-op. + */ + int (*cancel_picture)(struct camera_device *); + + /** + * Set the camera parameters. This returns BAD_VALUE if any parameter is + * invalid or not supported. + */ + int (*set_parameters)(struct camera_device *, const char *parms); + + /** Retrieve the camera parameters. The buffer returned by the camera HAL + must be returned back to it with put_parameters, if put_parameters + is not NULL. + */ + char *(*get_parameters)(struct camera_device *); + + /** The camera HAL uses its own memory to pass us the parameters when we + call get_parameters. Use this function to return the memory back to + the camera HAL, if put_parameters is not NULL. If put_parameters + is NULL, then you have to use free() to release the memory. + */ + void (*put_parameters)(struct camera_device *, char *); + + /** + * Send command to camera driver. + */ + int (*send_command)(struct camera_device *, + int32_t cmd, int32_t arg1, int32_t arg2); + + /** + * Release the hardware resources owned by this object. Note that this is + * *not* done in the destructor. + */ + void (*release)(struct camera_device *); + + /** + * Dump state of the camera hardware + */ + int (*dump)(struct camera_device *, int fd); +} camera_device_ops_t; + +typedef struct camera_device { + /** + * camera_device.common.version must be in the range + * HARDWARE_DEVICE_API_VERSION(0,0)-(1,FF). CAMERA_DEVICE_API_VERSION_1_0 is + * recommended. + */ + hw_device_t common; + camera_device_ops_t *ops; + void *priv; +} camera_device_t; + +__END_DECLS + +#endif /* #ifdef ANDROID_INCLUDE_CAMERA_H */ diff --git a/hardware/camera2.h b/hardware/camera2.h new file mode 100644 index 0000000..5d45325 --- /dev/null +++ b/hardware/camera2.h @@ -0,0 +1,808 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_CAMERA2_H +#define ANDROID_INCLUDE_CAMERA2_H + +#include "camera_common.h" +#include "system/camera_metadata.h" + +/** + * Camera device HAL 2.0 [ CAMERA_DEVICE_API_VERSION_2_0 ] + * + * EXPERIMENTAL. + * + * Supports both the android.hardware.ProCamera and + * android.hardware.Camera APIs. + * + * Camera devices that support this version of the HAL must return + * CAMERA_DEVICE_API_VERSION_2_0 in camera_device_t.common.version and in + * camera_info_t.device_version (from camera_module_t.get_camera_info). + * + * Camera modules that may contain version 2.0 devices must implement at least + * version 2.0 of the camera module interface (as defined by + * camera_module_t.common.module_api_version). + * + * See camera_common.h for more versioning details. + * + */ + +__BEGIN_DECLS + +struct camera2_device; + +/********************************************************************** + * + * Input/output stream buffer queue interface definitions + * + */ + +/** + * Output image stream queue interface. A set of these methods is provided to + * the HAL device in allocate_stream(), and are used to interact with the + * gralloc buffer queue for that stream. They may not be called until after + * allocate_stream returns. + */ +typedef struct camera2_stream_ops { + /** + * Get a buffer to fill from the queue. The size and format of the buffer + * are fixed for a given stream (defined in allocate_stream), and the stride + * should be queried from the platform gralloc module. The gralloc buffer + * will have been allocated based on the usage flags provided by + * allocate_stream, and will be locked for use. + */ + int (*dequeue_buffer)(const struct camera2_stream_ops* w, + buffer_handle_t** buffer); + + /** + * Push a filled buffer to the stream to be used by the consumer. + * + * The timestamp represents the time at start of exposure of the first row + * of the image; it must be from a monotonic clock, and is measured in + * nanoseconds. The timestamps do not need to be comparable between + * different cameras, or consecutive instances of the same camera. However, + * they must be comparable between streams from the same camera. If one + * capture produces buffers for multiple streams, each stream must have the + * same timestamp for that buffer, and that timestamp must match the + * timestamp in the output frame metadata. + */ + int (*enqueue_buffer)(const struct camera2_stream_ops* w, + int64_t timestamp, + buffer_handle_t* buffer); + /** + * Return a buffer to the queue without marking it as filled. + */ + int (*cancel_buffer)(const struct camera2_stream_ops* w, + buffer_handle_t* buffer); + /** + * Set the crop window for subsequently enqueued buffers. The parameters are + * measured in pixels relative to the buffer width and height. + */ + int (*set_crop)(const struct camera2_stream_ops *w, + int left, int top, int right, int bottom); + +} camera2_stream_ops_t; + +/** + * Temporary definition during transition. + * + * These formats will be removed and replaced with + * HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED. To maximize forward compatibility, + * HAL implementations are strongly recommended to treat FORMAT_OPAQUE and + * FORMAT_ZSL as equivalent to HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, and + * return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED in the format_actual output + * parameter of allocate_stream, allowing the gralloc module to select the + * specific format based on the usage flags from the camera and the stream + * consumer. + */ +enum { + CAMERA2_HAL_PIXEL_FORMAT_OPAQUE = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, + CAMERA2_HAL_PIXEL_FORMAT_ZSL = -1 +}; + +/** + * Transport header for compressed JPEG buffers in output streams. + * + * To capture JPEG images, a stream is created using the pixel format + * HAL_PIXEL_FORMAT_BLOB, and the static metadata field android.jpeg.maxSize is + * used as the buffer size. Since compressed JPEG images are of variable size, + * the HAL needs to include the final size of the compressed image using this + * structure inside the output stream buffer. The JPEG blob ID field must be set + * to CAMERA2_JPEG_BLOB_ID. + * + * Transport header should be at the end of the JPEG output stream buffer. That + * means the jpeg_blob_id must start at byte[android.jpeg.maxSize - + * sizeof(camera2_jpeg_blob)]. Any HAL using this transport header must + * account for it in android.jpeg.maxSize. The JPEG data itself starts at + * byte[0] and should be jpeg_size bytes long. + */ +typedef struct camera2_jpeg_blob { + uint16_t jpeg_blob_id; + uint32_t jpeg_size; +}; + +enum { + CAMERA2_JPEG_BLOB_ID = 0x00FF +}; + +/** + * Input reprocess stream queue management. A set of these methods is provided + * to the HAL device in allocate_reprocess_stream(); they are used to interact + * with the reprocess stream's input gralloc buffer queue. + */ +typedef struct camera2_stream_in_ops { + /** + * Get the next buffer of image data to reprocess. The width, height, and + * format of the buffer is fixed in allocate_reprocess_stream(), and the + * stride and other details should be queried from the platform gralloc + * module as needed. The buffer will already be locked for use. + */ + int (*acquire_buffer)(const struct camera2_stream_in_ops *w, + buffer_handle_t** buffer); + /** + * Return a used buffer to the buffer queue for reuse. + */ + int (*release_buffer)(const struct camera2_stream_in_ops *w, + buffer_handle_t* buffer); + +} camera2_stream_in_ops_t; + +/********************************************************************** + * + * Metadata queue management, used for requests sent to HAL module, and for + * frames produced by the HAL. + * + */ + +enum { + CAMERA2_REQUEST_QUEUE_IS_BOTTOMLESS = -1 +}; + +/** + * Request input queue protocol: + * + * The framework holds the queue and its contents. At start, the queue is empty. + * + * 1. When the first metadata buffer is placed into the queue, the framework + * signals the device by calling notify_request_queue_not_empty(). + * + * 2. After receiving notify_request_queue_not_empty, the device must call + * dequeue() once it's ready to handle the next buffer. + * + * 3. Once the device has processed a buffer, and is ready for the next buffer, + * it must call dequeue() again instead of waiting for a notification. If + * there are no more buffers available, dequeue() will return NULL. After + * this point, when a buffer becomes available, the framework must call + * notify_request_queue_not_empty() again. If the device receives a NULL + * return from dequeue, it does not need to query the queue again until a + * notify_request_queue_not_empty() call is received from the source. + * + * 4. If the device calls buffer_count() and receives 0, this does not mean that + * the framework will provide a notify_request_queue_not_empty() call. The + * framework will only provide such a notification after the device has + * received a NULL from dequeue, or on initial startup. + * + * 5. The dequeue() call in response to notify_request_queue_not_empty() may be + * on the same thread as the notify_request_queue_not_empty() call, and may + * be performed from within the notify call. + * + * 6. All dequeued request buffers must be returned to the framework by calling + * free_request, including when errors occur, a device flush is requested, or + * when the device is shutting down. + */ +typedef struct camera2_request_queue_src_ops { + /** + * Get the count of request buffers pending in the queue. May return + * CAMERA2_REQUEST_QUEUE_IS_BOTTOMLESS if a repeating request (stream + * request) is currently configured. Calling this method has no effect on + * whether the notify_request_queue_not_empty() method will be called by the + * framework. + */ + int (*request_count)(const struct camera2_request_queue_src_ops *q); + + /** + * Get a metadata buffer from the framework. Returns OK if there is no + * error. If the queue is empty, returns NULL in buffer. In that case, the + * device must wait for a notify_request_queue_not_empty() message before + * attempting to dequeue again. Buffers obtained in this way must be + * returned to the framework with free_request(). + */ + int (*dequeue_request)(const struct camera2_request_queue_src_ops *q, + camera_metadata_t **buffer); + /** + * Return a metadata buffer to the framework once it has been used, or if + * an error or shutdown occurs. + */ + int (*free_request)(const struct camera2_request_queue_src_ops *q, + camera_metadata_t *old_buffer); + +} camera2_request_queue_src_ops_t; + +/** + * Frame output queue protocol: + * + * The framework holds the queue and its contents. At start, the queue is empty. + * + * 1. When the device is ready to fill an output metadata frame, it must dequeue + * a metadata buffer of the required size. + * + * 2. It should then fill the metadata buffer, and place it on the frame queue + * using enqueue_frame. The framework takes ownership of the frame. + * + * 3. In case of an error, a request to flush the pipeline, or shutdown, the + * device must return any affected dequeued frames to the framework by + * calling cancel_frame. + */ +typedef struct camera2_frame_queue_dst_ops { + /** + * Get an empty metadata buffer to fill from the framework. The new metadata + * buffer will have room for entries number of metadata entries, plus + * data_bytes worth of extra storage. Frames dequeued here must be returned + * to the framework with either cancel_frame or enqueue_frame. + */ + int (*dequeue_frame)(const struct camera2_frame_queue_dst_ops *q, + size_t entries, size_t data_bytes, + camera_metadata_t **buffer); + + /** + * Return a dequeued metadata buffer to the framework for reuse; do not mark it as + * filled. Use when encountering errors, or flushing the internal request queue. + */ + int (*cancel_frame)(const struct camera2_frame_queue_dst_ops *q, + camera_metadata_t *buffer); + + /** + * Place a completed metadata frame on the frame output queue. + */ + int (*enqueue_frame)(const struct camera2_frame_queue_dst_ops *q, + camera_metadata_t *buffer); + +} camera2_frame_queue_dst_ops_t; + +/********************************************************************** + * + * Notification callback and message definition, and trigger definitions + * + */ + +/** + * Asynchronous notification callback from the HAL, fired for various + * reasons. Only for information independent of frame capture, or that require + * specific timing. The user pointer must be the same one that was passed to the + * device in set_notify_callback(). + */ +typedef void (*camera2_notify_callback)(int32_t msg_type, + int32_t ext1, + int32_t ext2, + int32_t ext3, + void *user); + +/** + * Possible message types for camera2_notify_callback + */ +enum { + /** + * An error has occurred. Argument ext1 contains the error code, and + * ext2 and ext3 contain any error-specific information. + */ + CAMERA2_MSG_ERROR = 0x0001, + /** + * The exposure of a given request has begun. Argument ext1 contains the + * frame number, and ext2 and ext3 contain the low-order and high-order + * bytes of the timestamp for when exposure began. + * (timestamp = (ext3 << 32 | ext2)) + */ + CAMERA2_MSG_SHUTTER = 0x0010, + /** + * The autofocus routine has changed state. Argument ext1 contains the new + * state; the values are the same as those for the metadata field + * android.control.afState. Ext2 contains the latest trigger ID passed to + * trigger_action(CAMERA2_TRIGGER_AUTOFOCUS) or + * trigger_action(CAMERA2_TRIGGER_CANCEL_AUTOFOCUS), or 0 if trigger has not + * been called with either of those actions. + */ + CAMERA2_MSG_AUTOFOCUS = 0x0020, + /** + * The autoexposure routine has changed state. Argument ext1 contains the + * new state; the values are the same as those for the metadata field + * android.control.aeState. Ext2 contains the latest trigger ID value passed to + * trigger_action(CAMERA2_TRIGGER_PRECAPTURE_METERING), or 0 if that method + * has not been called. + */ + CAMERA2_MSG_AUTOEXPOSURE = 0x0021, + /** + * The auto-whitebalance routine has changed state. Argument ext1 contains + * the new state; the values are the same as those for the metadata field + * android.control.awbState. Ext2 contains the latest trigger ID passed to + * trigger_action(CAMERA2_TRIGGER_PRECAPTURE_METERING), or 0 if that method + * has not been called. + */ + CAMERA2_MSG_AUTOWB = 0x0022 +}; + +/** + * Error codes for CAMERA_MSG_ERROR + */ +enum { + /** + * A serious failure occured. Camera device may not work without reboot, and + * no further frames or buffer streams will be produced by the + * device. Device should be treated as closed. + */ + CAMERA2_MSG_ERROR_HARDWARE = 0x0001, + /** + * A serious failure occured. No further frames or buffer streams will be + * produced by the device. Device should be treated as closed. The client + * must reopen the device to use it again. + */ + CAMERA2_MSG_ERROR_DEVICE, + /** + * An error has occurred in processing a request. No output (metadata or + * buffers) will be produced for this request. ext2 contains the frame + * number of the request. Subsequent requests are unaffected, and the device + * remains operational. + */ + CAMERA2_MSG_ERROR_REQUEST, + /** + * An error has occurred in producing an output frame metadata buffer for a + * request, but image buffers for it will still be available. Subsequent + * requests are unaffected, and the device remains operational. ext2 + * contains the frame number of the request. + */ + CAMERA2_MSG_ERROR_FRAME, + /** + * An error has occurred in placing an output buffer into a stream for a + * request. The frame metadata and other buffers may still be + * available. Subsequent requests are unaffected, and the device remains + * operational. ext2 contains the frame number of the request, and ext3 + * contains the stream id. + */ + CAMERA2_MSG_ERROR_STREAM, + /** + * Number of error types + */ + CAMERA2_MSG_NUM_ERRORS +}; + +/** + * Possible trigger ids for trigger_action() + */ +enum { + /** + * Trigger an autofocus cycle. The effect of the trigger depends on the + * autofocus mode in effect when the trigger is received, which is the mode + * listed in the latest capture request to be dequeued by the HAL. If the + * mode is OFF, EDOF, or FIXED, the trigger has no effect. In AUTO, MACRO, + * or CONTINUOUS_* modes, see below for the expected behavior. The state of + * the autofocus cycle can be tracked in android.control.afMode and the + * corresponding notifications. + * + ** + * In AUTO or MACRO mode, the AF state transitions (and notifications) + * when calling with trigger ID = N with the previous ID being K are: + * + * Initial state Transitions + * INACTIVE (K) -> ACTIVE_SCAN (N) -> AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * AF_FOCUSED (K) -> ACTIVE_SCAN (N) -> AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * AF_NOT_FOCUSED (K) -> ACTIVE_SCAN (N) -> AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * ACTIVE_SCAN (K) -> AF_FOCUSED(N) or AF_NOT_FOCUSED(N) + * PASSIVE_SCAN (K) Not used in AUTO/MACRO mode + * PASSIVE_FOCUSED (K) Not used in AUTO/MACRO mode + * + ** + * In CONTINUOUS_PICTURE mode, triggering AF must lock the AF to the current + * lens position and transition the AF state to either AF_FOCUSED or + * NOT_FOCUSED. If a passive scan is underway, that scan must complete and + * then lock the lens position and change AF state. TRIGGER_CANCEL_AUTOFOCUS + * will allow the AF to restart its operation. + * + * Initial state Transitions + * INACTIVE (K) -> immediate AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * PASSIVE_FOCUSED (K) -> immediate AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * PASSIVE_SCAN (K) -> AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * AF_FOCUSED (K) no effect except to change next notification ID to N + * AF_NOT_FOCUSED (K) no effect except to change next notification ID to N + * + ** + * In CONTINUOUS_VIDEO mode, triggering AF must lock the AF to the current + * lens position and transition the AF state to either AF_FOCUSED or + * NOT_FOCUSED. If a passive scan is underway, it must immediately halt, in + * contrast with CONTINUOUS_PICTURE mode. TRIGGER_CANCEL_AUTOFOCUS will + * allow the AF to restart its operation. + * + * Initial state Transitions + * INACTIVE (K) -> immediate AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * PASSIVE_FOCUSED (K) -> immediate AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * PASSIVE_SCAN (K) -> immediate AF_FOCUSED (N) or AF_NOT_FOCUSED (N) + * AF_FOCUSED (K) no effect except to change next notification ID to N + * AF_NOT_FOCUSED (K) no effect except to change next notification ID to N + * + * Ext1 is an ID that must be returned in subsequent auto-focus state change + * notifications through camera2_notify_callback() and stored in + * android.control.afTriggerId. + */ + CAMERA2_TRIGGER_AUTOFOCUS = 0x0001, + /** + * Send a cancel message to the autofocus algorithm. The effect of the + * cancellation depends on the autofocus mode in effect when the trigger is + * received, which is the mode listed in the latest capture request to be + * dequeued by the HAL. If the AF mode is OFF or EDOF, the cancel has no + * effect. For other modes, the lens should return to its default position, + * any current autofocus scan must be canceled, and the AF state should be + * set to INACTIVE. + * + * The state of the autofocus cycle can be tracked in android.control.afMode + * and the corresponding notification. Continuous autofocus modes may resume + * focusing operations thereafter exactly as if the camera had just been set + * to a continuous AF mode. + * + * Ext1 is an ID that must be returned in subsequent auto-focus state change + * notifications through camera2_notify_callback() and stored in + * android.control.afTriggerId. + */ + CAMERA2_TRIGGER_CANCEL_AUTOFOCUS, + /** + * Trigger a pre-capture metering cycle, which may include firing the flash + * to determine proper capture parameters. Typically, this trigger would be + * fired for a half-depress of a camera shutter key, or before a snapshot + * capture in general. The state of the metering cycle can be tracked in + * android.control.aeMode and the corresponding notification. If the + * auto-exposure mode is OFF, the trigger does nothing. + * + * Ext1 is an ID that must be returned in subsequent + * auto-exposure/auto-white balance state change notifications through + * camera2_notify_callback() and stored in android.control.aePrecaptureId. + */ + CAMERA2_TRIGGER_PRECAPTURE_METERING +}; + +/** + * Possible template types for construct_default_request() + */ +enum { + /** + * Standard camera preview operation with 3A on auto. + */ + CAMERA2_TEMPLATE_PREVIEW = 1, + /** + * Standard camera high-quality still capture with 3A and flash on auto. + */ + CAMERA2_TEMPLATE_STILL_CAPTURE, + /** + * Standard video recording plus preview with 3A on auto, torch off. + */ + CAMERA2_TEMPLATE_VIDEO_RECORD, + /** + * High-quality still capture while recording video. Application will + * include preview, video record, and full-resolution YUV or JPEG streams in + * request. Must not cause stuttering on video stream. 3A on auto. + */ + CAMERA2_TEMPLATE_VIDEO_SNAPSHOT, + /** + * Zero-shutter-lag mode. Application will request preview and + * full-resolution data for each frame, and reprocess it to JPEG when a + * still image is requested by user. Settings should provide highest-quality + * full-resolution images without compromising preview frame rate. 3A on + * auto. + */ + CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG, + + /* Total number of templates */ + CAMERA2_TEMPLATE_COUNT +}; + + +/********************************************************************** + * + * Camera device operations + * + */ +typedef struct camera2_device_ops { + + /********************************************************************** + * Request and frame queue setup and management methods + */ + + /** + * Pass in input request queue interface methods. + */ + int (*set_request_queue_src_ops)(const struct camera2_device *, + const camera2_request_queue_src_ops_t *request_src_ops); + + /** + * Notify device that the request queue is no longer empty. Must only be + * called when the first buffer is added a new queue, or after the source + * has returned NULL in response to a dequeue call. + */ + int (*notify_request_queue_not_empty)(const struct camera2_device *); + + /** + * Pass in output frame queue interface methods + */ + int (*set_frame_queue_dst_ops)(const struct camera2_device *, + const camera2_frame_queue_dst_ops_t *frame_dst_ops); + + /** + * Number of camera requests being processed by the device at the moment + * (captures/reprocesses that have had their request dequeued, but have not + * yet been enqueued onto output pipeline(s) ). No streams may be released + * by the framework until the in-progress count is 0. + */ + int (*get_in_progress_count)(const struct camera2_device *); + + /** + * Flush all in-progress captures. This includes all dequeued requests + * (regular or reprocessing) that have not yet placed any outputs into a + * stream or the frame queue. Partially completed captures must be completed + * normally. No new requests may be dequeued from the request queue until + * the flush completes. + */ + int (*flush_captures_in_progress)(const struct camera2_device *); + + /** + * Create a filled-in default request for standard camera use cases. + * + * The device must return a complete request that is configured to meet the + * requested use case, which must be one of the CAMERA2_TEMPLATE_* + * enums. All request control fields must be included, except for + * android.request.outputStreams. + * + * The metadata buffer returned must be allocated with + * allocate_camera_metadata. The framework takes ownership of the buffer. + */ + int (*construct_default_request)(const struct camera2_device *, + int request_template, + camera_metadata_t **request); + + /********************************************************************** + * Stream management + */ + + /** + * allocate_stream: + * + * Allocate a new output stream for use, defined by the output buffer width, + * height, target, and possibly the pixel format. Returns the new stream's + * ID, gralloc usage flags, minimum queue buffer count, and possibly the + * pixel format, on success. Error conditions: + * + * - Requesting a width/height/format combination not listed as + * supported by the sensor's static characteristics + * + * - Asking for too many streams of a given format type (2 bayer raw + * streams, for example). + * + * Input parameters: + * + * - width, height, format: Specification for the buffers to be sent through + * this stream. Format is a value from the HAL_PIXEL_FORMAT_* list. If + * HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED is used, then the platform + * gralloc module will select a format based on the usage flags provided + * by the camera HAL and the consumer of the stream. The camera HAL should + * inspect the buffers handed to it in the register_stream_buffers call to + * obtain the implementation-specific format if necessary. + * + * - stream_ops: A structure of function pointers for obtaining and queuing + * up buffers for this stream. The underlying stream will be configured + * based on the usage and max_buffers outputs. The methods in this + * structure may not be called until after allocate_stream returns. + * + * Output parameters: + * + * - stream_id: An unsigned integer identifying this stream. This value is + * used in incoming requests to identify the stream, and in releasing the + * stream. + * + * - usage: The gralloc usage mask needed by the HAL device for producing + * the requested type of data. This is used in allocating new gralloc + * buffers for the stream buffer queue. + * + * - max_buffers: The maximum number of buffers the HAL device may need to + * have dequeued at the same time. The device may not dequeue more buffers + * than this value at the same time. + * + */ + int (*allocate_stream)( + const struct camera2_device *, + // inputs + uint32_t width, + uint32_t height, + int format, + const camera2_stream_ops_t *stream_ops, + // outputs + uint32_t *stream_id, + uint32_t *format_actual, // IGNORED, will be removed + uint32_t *usage, + uint32_t *max_buffers); + + /** + * Register buffers for a given stream. This is called after a successful + * allocate_stream call, and before the first request referencing the stream + * is enqueued. This method is intended to allow the HAL device to map or + * otherwise prepare the buffers for later use. num_buffers is guaranteed to + * be at least max_buffers (from allocate_stream), but may be larger. The + * buffers will already be locked for use. At the end of the call, all the + * buffers must be ready to be returned to the queue. If the stream format + * was set to HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, the camera HAL should + * inspect the passed-in buffers here to determine any platform-private + * pixel format information. + */ + int (*register_stream_buffers)( + const struct camera2_device *, + uint32_t stream_id, + int num_buffers, + buffer_handle_t *buffers); + + /** + * Release a stream. Returns an error if called when get_in_progress_count + * is non-zero, or if the stream id is invalid. + */ + int (*release_stream)( + const struct camera2_device *, + uint32_t stream_id); + + /** + * allocate_reprocess_stream: + * + * Allocate a new input stream for use, defined by the output buffer width, + * height, and the pixel format. Returns the new stream's ID, gralloc usage + * flags, and required simultaneously acquirable buffer count, on + * success. Error conditions: + * + * - Requesting a width/height/format combination not listed as + * supported by the sensor's static characteristics + * + * - Asking for too many reprocessing streams to be configured at once. + * + * Input parameters: + * + * - width, height, format: Specification for the buffers to be sent through + * this stream. Format must be a value from the HAL_PIXEL_FORMAT_* list. + * + * - reprocess_stream_ops: A structure of function pointers for acquiring + * and releasing buffers for this stream. The underlying stream will be + * configured based on the usage and max_buffers outputs. + * + * Output parameters: + * + * - stream_id: An unsigned integer identifying this stream. This value is + * used in incoming requests to identify the stream, and in releasing the + * stream. These ids are numbered separately from the input stream ids. + * + * - consumer_usage: The gralloc usage mask needed by the HAL device for + * consuming the requested type of data. This is used in allocating new + * gralloc buffers for the stream buffer queue. + * + * - max_buffers: The maximum number of buffers the HAL device may need to + * have acquired at the same time. The device may not have more buffers + * acquired at the same time than this value. + * + */ + int (*allocate_reprocess_stream)(const struct camera2_device *, + uint32_t width, + uint32_t height, + uint32_t format, + const camera2_stream_in_ops_t *reprocess_stream_ops, + // outputs + uint32_t *stream_id, + uint32_t *consumer_usage, + uint32_t *max_buffers); + + /** + * allocate_reprocess_stream_from_stream: + * + * Allocate a new input stream for use, which will use the buffers allocated + * for an existing output stream. That is, after the HAL enqueues a buffer + * onto the output stream, it may see that same buffer handed to it from + * this input reprocessing stream. After the HAL releases the buffer back to + * the reprocessing stream, it will be returned to the output queue for + * reuse. + * + * Error conditions: + * + * - Using an output stream of unsuitable size/format for the basis of the + * reprocessing stream. + * + * - Attempting to allocatee too many reprocessing streams at once. + * + * Input parameters: + * + * - output_stream_id: The ID of an existing output stream which has + * a size and format suitable for reprocessing. + * + * - reprocess_stream_ops: A structure of function pointers for acquiring + * and releasing buffers for this stream. The underlying stream will use + * the same graphics buffer handles as the output stream uses. + * + * Output parameters: + * + * - stream_id: An unsigned integer identifying this stream. This value is + * used in incoming requests to identify the stream, and in releasing the + * stream. These ids are numbered separately from the input stream ids. + * + * The HAL client must always release the reprocessing stream before it + * releases the output stream it is based on. + * + */ + int (*allocate_reprocess_stream_from_stream)(const struct camera2_device *, + uint32_t output_stream_id, + const camera2_stream_in_ops_t *reprocess_stream_ops, + // outputs + uint32_t *stream_id); + + /** + * Release a reprocessing stream. Returns an error if called when + * get_in_progress_count is non-zero, or if the stream id is not + * valid. + */ + int (*release_reprocess_stream)( + const struct camera2_device *, + uint32_t stream_id); + + /********************************************************************** + * Miscellaneous methods + */ + + /** + * Trigger asynchronous activity. This is used for triggering special + * behaviors of the camera 3A routines when they are in use. See the + * documentation for CAMERA2_TRIGGER_* above for details of the trigger ids + * and their arguments. + */ + int (*trigger_action)(const struct camera2_device *, + uint32_t trigger_id, + int32_t ext1, + int32_t ext2); + + /** + * Notification callback setup + */ + int (*set_notify_callback)(const struct camera2_device *, + camera2_notify_callback notify_cb, + void *user); + + /** + * Get methods to query for vendor extension metadata tag infomation. May + * set ops to NULL if no vendor extension tags are defined. + */ + int (*get_metadata_vendor_tag_ops)(const struct camera2_device*, + vendor_tag_query_ops_t **ops); + + /** + * Dump state of the camera hardware + */ + int (*dump)(const struct camera2_device *, int fd); + +} camera2_device_ops_t; + +/********************************************************************** + * + * Camera device definition + * + */ +typedef struct camera2_device { + /** + * common.version must equal CAMERA_DEVICE_API_VERSION_2_0 to identify + * this device as implementing version 2.0 of the camera device HAL. + */ + hw_device_t common; + camera2_device_ops_t *ops; + void *priv; +} camera2_device_t; + +__END_DECLS + +#endif /* #ifdef ANDROID_INCLUDE_CAMERA2_H */ diff --git a/hardware/camera_common.h b/hardware/camera_common.h new file mode 100644 index 0000000..5697bda --- /dev/null +++ b/hardware/camera_common.h @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// FIXME: add well-defined names for cameras + +#ifndef ANDROID_INCLUDE_CAMERA_COMMON_H +#define ANDROID_INCLUDE_CAMERA_COMMON_H + +#include +#include +#include +#include +#include +#include +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define CAMERA_HARDWARE_MODULE_ID "camera" + +/** + * Module versioning information for the Camera hardware module, based on + * camera_module_t.common.module_api_version. The two most significant hex + * digits represent the major version, and the two least significant represent + * the minor version. + * + ******************************************************************************* + * Versions: 0.X - 1.X [CAMERA_MODULE_API_VERSION_1_0] + * + * Camera modules that report these version numbers implement the initial + * camera module HAL interface. All camera devices openable through this + * module support only version 1 of the camera device HAL. The device_version + * and static_camera_characteristics fields of camera_info are not valid. Only + * the android.hardware.Camera API can be supported by this module and its + * devices. + * + ******************************************************************************* + * Version: 2.0 [CAMERA_MODULE_API_VERSION_2_0] + * + * Camera modules that report this version number implement the second version + * of the camera module HAL interface. Camera devices openable through this + * module may support either version 1.0 or version 2.0 of the camera device + * HAL interface. The device_version field of camera_info is always valid; the + * static_camera_characteristics field of camera_info is valid if the + * device_version field is 2.0 or higher. + */ + +/** + * Predefined macros for currently-defined version numbers + */ + +/** + * All module versions <= HARDWARE_MODULE_API_VERSION(1, 0xFF) must be treated + * as CAMERA_MODULE_API_VERSION_1_0 + */ +#define CAMERA_MODULE_API_VERSION_1_0 HARDWARE_MODULE_API_VERSION(1, 0) +#define CAMERA_MODULE_API_VERSION_2_0 HARDWARE_MODULE_API_VERSION(2, 0) + +#define CAMERA_MODULE_API_VERSION_CURRENT CAMERA_MODULE_API_VERSION_2_0 + +/** + * All device versions <= HARDWARE_DEVICE_API_VERSION(1, 0xFF) must be treated + * as CAMERA_DEVICE_API_VERSION_1_0 + */ +#define CAMERA_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0) +#define CAMERA_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0) + +// Device version 2.0 is experimental +#define CAMERA_DEVICE_API_VERSION_CURRENT CAMERA_DEVICE_API_VERSION_1_0 + +/** + * Defined in /system/media/camera/include/system/camera_metadata.h + */ +typedef struct camera_metadata camera_metadata_t; + +struct camera_info { + /** + * The direction that the camera faces to. It should be CAMERA_FACING_BACK + * or CAMERA_FACING_FRONT. + * + * Version information: + * Valid in all camera_module versions + */ + int facing; + + /** + * The orientation of the camera image. The value is the angle that the + * camera image needs to be rotated clockwise so it shows correctly on the + * display in its natural orientation. It should be 0, 90, 180, or 270. + * + * For example, suppose a device has a naturally tall screen. The + * back-facing camera sensor is mounted in landscape. You are looking at + * the screen. If the top side of the camera sensor is aligned with the + * right edge of the screen in natural orientation, the value should be + * 90. If the top side of a front-facing camera sensor is aligned with the + * right of the screen, the value should be 270. + * + * Version information: + * Valid in all camera_module versions + */ + int orientation; + + /** + * The value of camera_device_t.common.version. + * + * Version information (based on camera_module_t.common.module_api_version): + * + * CAMERA_MODULE_API_VERSION_1_0: + * + * Not valid. Can be assumed to be CAMERA_DEVICE_API_VERSION_1_0. Do + * not read this field. + * + * CAMERA_MODULE_API_VERSION_2_0: + * + * Always valid + * + */ + uint32_t device_version; + + /** + * The camera's fixed characteristics, which include all camera metadata in + * the android.*.info.* sections. This should be a sorted metadata buffer, + * and may not be modified or freed by the caller. The pointer should remain + * valid for the lifetime of the camera module. + * + * Version information (based on camera_module_t.common.module_api_version): + * + * CAMERA_MODULE_API_VERSION_1_0: + * + * Not valid. Extra characteristics are not available. Do not read this + * field. + * + * CAMERA_MODULE_API_VERSION_2_0: + * + * Valid if device_version >= CAMERA_DEVICE_API_VERSION_2_0. Do not read + * otherwise. + * + */ + const camera_metadata_t *static_camera_characteristics; +}; + +typedef struct camera_module { + hw_module_t common; + int (*get_number_of_cameras)(void); + int (*get_camera_info)(int camera_id, struct camera_info *info); +} camera_module_t; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_CAMERA_COMMON_H */ diff --git a/hardware/fb.h b/hardware/fb.h new file mode 100644 index 0000000..135e4aa --- /dev/null +++ b/hardware/fb.h @@ -0,0 +1,167 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_FB_INTERFACE_H +#define ANDROID_FB_INTERFACE_H + +#include +#include +#include + +#include + +#include + +__BEGIN_DECLS + +#define GRALLOC_HARDWARE_FB0 "fb0" + +/*****************************************************************************/ + + +/*****************************************************************************/ + +typedef struct framebuffer_device_t { + struct hw_device_t common; + + /* flags describing some attributes of the framebuffer */ + const uint32_t flags; + + /* dimensions of the framebuffer in pixels */ + const uint32_t width; + const uint32_t height; + + /* frambuffer stride in pixels */ + const int stride; + + /* framebuffer pixel format */ + const int format; + + /* resolution of the framebuffer's display panel in pixel per inch*/ + const float xdpi; + const float ydpi; + + /* framebuffer's display panel refresh rate in frames per second */ + const float fps; + + /* min swap interval supported by this framebuffer */ + const int minSwapInterval; + + /* max swap interval supported by this framebuffer */ + const int maxSwapInterval; + + /* Number of framebuffers supported*/ + const int numFramebuffers; + + int reserved[7]; + + /* + * requests a specific swap-interval (same definition than EGL) + * + * Returns 0 on success or -errno on error. + */ + int (*setSwapInterval)(struct framebuffer_device_t* window, + int interval); + + /* + * This hook is OPTIONAL. + * + * It is non NULL If the framebuffer driver supports "update-on-demand" + * and the given rectangle is the area of the screen that gets + * updated during (*post)(). + * + * This is useful on devices that are able to DMA only a portion of + * the screen to the display panel, upon demand -- as opposed to + * constantly refreshing the panel 60 times per second, for instance. + * + * Only the area defined by this rectangle is guaranteed to be valid, that + * is, the driver is not allowed to post anything outside of this + * rectangle. + * + * The rectangle evaluated during (*post)() and specifies which area + * of the buffer passed in (*post)() shall to be posted. + * + * return -EINVAL if width or height <=0, or if left or top < 0 + */ + int (*setUpdateRect)(struct framebuffer_device_t* window, + int left, int top, int width, int height); + + /* + * Post to the display (display it on the screen) + * The buffer must have been allocated with the + * GRALLOC_USAGE_HW_FB usage flag. + * buffer must be the same width and height as the display and must NOT + * be locked. + * + * The buffer is shown during the next VSYNC. + * + * If the same buffer is posted again (possibly after some other buffer), + * post() will block until the the first post is completed. + * + * Internally, post() is expected to lock the buffer so that a + * subsequent call to gralloc_module_t::(*lock)() with USAGE_RENDER or + * USAGE_*_WRITE will block until it is safe; that is typically once this + * buffer is shown and another buffer has been posted. + * + * Returns 0 on success or -errno on error. + */ + int (*post)(struct framebuffer_device_t* dev, buffer_handle_t buffer); + + + /* + * The (*compositionComplete)() method must be called after the + * compositor has finished issuing GL commands for client buffers. + */ + + int (*compositionComplete)(struct framebuffer_device_t* dev); + + /* + * This hook is OPTIONAL. + * + * If non NULL it will be caused by SurfaceFlinger on dumpsys + */ + void (*dump)(struct framebuffer_device_t* dev, char *buff, int buff_len); + + /* + * (*enableScreen)() is used to either blank (enable=0) or + * unblank (enable=1) the screen this framebuffer is attached to. + * + * Returns 0 on success or -errno on error. + */ + int (*enableScreen)(struct framebuffer_device_t* dev, int enable); + + void* reserved_proc[6]; + +} framebuffer_device_t; + + +/** convenience API for opening and closing a supported device */ + +static inline int framebuffer_open(const struct hw_module_t* module, + struct framebuffer_device_t** device) { + return module->methods->open(module, + GRALLOC_HARDWARE_FB0, (struct hw_device_t**)device); +} + +static inline int framebuffer_close(struct framebuffer_device_t* device) { + return device->common.close(&device->common); +} + + +__END_DECLS + +#endif // ANDROID_FB_INTERFACE_H diff --git a/hardware/fmradio.h b/hardware/fmradio.h new file mode 100644 index 0000000..49b3ded --- /dev/null +++ b/hardware/fmradio.h @@ -0,0 +1,172 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * Author: johan.xj.palmaeus@stericsson.com for ST-Ericsson + */ + +/* + * Interface file between the vendor specific drivers and the fmradio + * jni layer. The vendor driver need to define register function with + * name defined by FMRADIO_REGISTER_FUNC of type fmradio_reg_func_t that + * will return a pointer to a signature (FMRADIO_SIGNATURE) to make sure + * it executed correctly and fill struct fmradio_vendor_methods with + * functions implementing functions (or NULL if not supported). + */ + +#ifndef ANDROID_FMRADIO_INTERFACE_H +#define ANDROID_FMRADIO_INTERFACE_H + +__BEGIN_DECLS + +#define FMRADIO_REGISTER_FUNC "register_fmradio_functions" + +#define FMRADIO_SIGNATURE 0xDEADBABE + +#define FMRADIO_CAPABILITY_RECEIVER 0x0001 +#define FMRADIO_CAPABILITY_TRANSMITTER 0x0002 +#define FMRADIO_CAPABILITY_TUNER_WRAP_AROUND 0x0004 +#define FMRADIO_CAPABILITY_RDS_SUPPORTED 0x0008 + +/* + * return values. Not defined as enum since some functions either + * return a positive value or these codes, like getFrequency. + */ +#define FMRADIO_OK 0 +#define FMRADIO_INVALID_STATE -1 /* internally in jni layer */ +#define FMRADIO_UNSUPPORTED_OPERATION -2 +#define FMRADIO_IO_ERROR -3 +#define FMRADIO_INVALID_PARAMETER -4 +#define FMRADIO_FORCED_RESET -5 + +/* RDS */ +#define RDS_MAX_AFS 25 +#define RDS_PSN_MAX_LENGTH 8 +#define RDS_RT_MAX_LENGTH 64 +#define RDS_CT_MAX_LENGTH 14 +#define RDS_PTYN_MAX_LENGTH 8 +#define RDS_NUMBER_OF_TMC 3 + +enum fmradio_band_t { + FMRADIO_BAND_US, + FMRADIO_BAND_EU, + FMRADIO_BAND_JAPAN, + FMRADIO_BAND_CHINA +}; + +enum fmradio_seek_direction_t { + FMRADIO_SEEK_DOWN, + FMRADIO_SEEK_UP +}; + +enum fmradio_reset_reason_t { + FMRADIO_RESET_NON_CRITICAL = 0, + FMRADIO_RESET_CRITICAL, + FMRADIO_RESET_OTHER_IN_USE, /* internally in jni layer */ + FMRADIO_RESET_RADIO_FORBIDDEN, /* internally in java layer */ +}; + +enum fmradio_extra_command_type_t { + FMRADIO_TYPE_INT, + FMRADIO_TYPE_STRING +}; + +enum fmradio_switch_reason_t { + FMRADIO_SWITCH_AF, + FMRADIO_SWITCH_TA, + FMRADIO_SWITCH_TA_END +}; + +union fmradio_extra_data_t { + int int_value; + char *string_value; +}; + +struct fmradio_rds_bundle_t { + unsigned short pi; + short tp; + short pty; + short ta; + short ms; + short num_afs; + int af[RDS_MAX_AFS]; + char psn[RDS_PSN_MAX_LENGTH + 1]; + char rt[RDS_RT_MAX_LENGTH + 1]; + char ct[RDS_CT_MAX_LENGTH + 1]; + char ptyn[RDS_PTYN_MAX_LENGTH + 1]; + short tmc[RDS_NUMBER_OF_TMC]; + int taf; +}; + +struct fmradio_extra_command_ret_item_t { + char *key; + enum fmradio_extra_command_type_t type; + union fmradio_extra_data_t data; +}; + +/* vendor callbacks only for RX */ +struct fmradio_vendor_callbacks_t { + void (*on_playing_in_stereo_changed) (int is_stereo); + void (*on_rds_data_found) (struct fmradio_rds_bundle_t * rds_bundle, + int frequency); + void (*on_signal_strength_changed) (int new_level); + void (*on_automatic_switch) (int new_freq, + enum fmradio_switch_reason_t reason); + void (*on_forced_reset) (enum fmradio_reset_reason_t reason); +}; + +struct fmradio_vendor_methods_t { + int (*rx_start) (void ** session_data, + const struct fmradio_vendor_callbacks_t * callbacks, + int low_freq, int high_freq, int default_freq, int grid); + int (*tx_start) (void ** session_data, + const struct fmradio_vendor_callbacks_t * callbacks, + int low_freq, int high_freq, int default_freq, int grid); + int (*pause) (void ** session_data); + int (*resume) (void ** session_data); + int (*reset) (void ** session_data); + int (*set_frequency) (void ** session_data, int frequency); + int (*get_frequency) (void ** session_data); + int (*stop_scan) (void ** session_data); + int (*send_extra_command) (void ** session_data, const char * command, + char ** parameters, + struct fmradio_extra_command_ret_item_t ** out_parameters); + /* rx only */ + int (*scan) (void ** session_data, enum fmradio_seek_direction_t direction); + + int (*full_scan) (void ** session_data, int ** found_freqs, + int ** signal_strenghts); + int (*get_signal_strength) (void ** session_data); + int (*is_playing_in_stereo) (void ** session_data); + int (*is_rds_data_supported) (void ** session_data); + int (*is_tuned_to_valid_channel) (void ** session_data); + int (*set_automatic_af_switching) (void ** session_data, int automatic); + int (*set_automatic_ta_switching) (void ** session_data, int automatic); + int (*set_force_mono) (void ** session_data, int force_mono); + int (*get_threshold) (void ** session_data); + int (*set_threshold) (void ** session_data, int threshold); + int (*set_rds_reception) (void ** session_data, int use_rds); + /* tx only */ + int (*block_scan) (void ** session_data, int low_freq, int high_freq, + int ** found_freqs, int ** signal_strenghts); + int (*set_rds_data) (void ** session_data, char * key, void * value); +}; + +typedef int (*fmradio_reg_func_t) (unsigned int * signature_p, + struct fmradio_vendor_methods_t * vendor_funcs_p); + +__END_DECLS + +#endif // ANDROID_FMRADIO_INTERFACE_H diff --git a/hardware/gps.h b/hardware/gps.h new file mode 100644 index 0000000..69bfd50 --- /dev/null +++ b/hardware/gps.h @@ -0,0 +1,679 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_GPS_H +#define ANDROID_INCLUDE_HARDWARE_GPS_H + +#include +#include +#include +#include + +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define GPS_HARDWARE_MODULE_ID "gps" + + +/** Milliseconds since January 1, 1970 */ +typedef int64_t GpsUtcTime; + +/** Maximum number of SVs for gps_sv_status_callback(). */ +#define GPS_MAX_SVS 32 + +/** Requested operational mode for GPS operation. */ +typedef uint32_t GpsPositionMode; +// IMPORTANT: Note that the following values must match +// constants in GpsLocationProvider.java. +/** Mode for running GPS standalone (no assistance). */ +#define GPS_POSITION_MODE_STANDALONE 0 +/** AGPS MS-Based mode. */ +#define GPS_POSITION_MODE_MS_BASED 1 +/** AGPS MS-Assisted mode. */ +#define GPS_POSITION_MODE_MS_ASSISTED 2 + +/** Requested recurrence mode for GPS operation. */ +typedef uint32_t GpsPositionRecurrence; +// IMPORTANT: Note that the following values must match +// constants in GpsLocationProvider.java. +/** Receive GPS fixes on a recurring basis at a specified period. */ +#define GPS_POSITION_RECURRENCE_PERIODIC 0 +/** Request a single shot GPS fix. */ +#define GPS_POSITION_RECURRENCE_SINGLE 1 + +/** GPS status event values. */ +typedef uint16_t GpsStatusValue; +// IMPORTANT: Note that the following values must match +// constants in GpsLocationProvider.java. +/** GPS status unknown. */ +#define GPS_STATUS_NONE 0 +/** GPS has begun navigating. */ +#define GPS_STATUS_SESSION_BEGIN 1 +/** GPS has stopped navigating. */ +#define GPS_STATUS_SESSION_END 2 +/** GPS has powered on but is not navigating. */ +#define GPS_STATUS_ENGINE_ON 3 +/** GPS is powered off. */ +#define GPS_STATUS_ENGINE_OFF 4 + +/** Flags to indicate which values are valid in a GpsLocation. */ +typedef uint16_t GpsLocationFlags; +// IMPORTANT: Note that the following values must match +// constants in GpsLocationProvider.java. +/** GpsLocation has valid latitude and longitude. */ +#define GPS_LOCATION_HAS_LAT_LONG 0x0001 +/** GpsLocation has valid altitude. */ +#define GPS_LOCATION_HAS_ALTITUDE 0x0002 +/** GpsLocation has valid speed. */ +#define GPS_LOCATION_HAS_SPEED 0x0004 +/** GpsLocation has valid bearing. */ +#define GPS_LOCATION_HAS_BEARING 0x0008 +/** GpsLocation has valid accuracy. */ +#define GPS_LOCATION_HAS_ACCURACY 0x0010 + +/** Flags for the gps_set_capabilities callback. */ + +/** GPS HAL schedules fixes for GPS_POSITION_RECURRENCE_PERIODIC mode. + If this is not set, then the framework will use 1000ms for min_interval + and will start and call start() and stop() to schedule the GPS. + */ +#define GPS_CAPABILITY_SCHEDULING 0x0000001 +/** GPS supports MS-Based AGPS mode */ +#define GPS_CAPABILITY_MSB 0x0000002 +/** GPS supports MS-Assisted AGPS mode */ +#define GPS_CAPABILITY_MSA 0x0000004 +/** GPS supports single-shot fixes */ +#define GPS_CAPABILITY_SINGLE_SHOT 0x0000008 +/** GPS supports on demand time injection */ +#define GPS_CAPABILITY_ON_DEMAND_TIME 0x0000010 + +/** Flags used to specify which aiding data to delete + when calling delete_aiding_data(). */ +typedef uint16_t GpsAidingData; +// IMPORTANT: Note that the following values must match +// constants in GpsLocationProvider.java. +#define GPS_DELETE_EPHEMERIS 0x0001 +#define GPS_DELETE_ALMANAC 0x0002 +#define GPS_DELETE_POSITION 0x0004 +#define GPS_DELETE_TIME 0x0008 +#define GPS_DELETE_IONO 0x0010 +#define GPS_DELETE_UTC 0x0020 +#define GPS_DELETE_HEALTH 0x0040 +#define GPS_DELETE_SVDIR 0x0080 +#define GPS_DELETE_SVSTEER 0x0100 +#define GPS_DELETE_SADATA 0x0200 +#define GPS_DELETE_RTI 0x0400 +#define GPS_DELETE_CELLDB_INFO 0x8000 +#define GPS_DELETE_ALL 0xFFFF + +/** AGPS type */ +typedef uint16_t AGpsType; +#define AGPS_TYPE_SUPL 1 +#define AGPS_TYPE_C2K 2 + +typedef uint16_t AGpsSetIDType; +#define AGPS_SETID_TYPE_NONE 0 +#define AGPS_SETID_TYPE_IMSI 1 +#define AGPS_SETID_TYPE_MSISDN 2 + +/** + * String length constants + */ +#define GPS_NI_SHORT_STRING_MAXLEN 256 +#define GPS_NI_LONG_STRING_MAXLEN 2048 + +/** + * GpsNiType constants + */ +typedef uint32_t GpsNiType; +#define GPS_NI_TYPE_VOICE 1 +#define GPS_NI_TYPE_UMTS_SUPL 2 +#define GPS_NI_TYPE_UMTS_CTRL_PLANE 3 + +/** + * GpsNiNotifyFlags constants + */ +typedef uint32_t GpsNiNotifyFlags; +/** NI requires notification */ +#define GPS_NI_NEED_NOTIFY 0x0001 +/** NI requires verification */ +#define GPS_NI_NEED_VERIFY 0x0002 +/** NI requires privacy override, no notification/minimal trace */ +#define GPS_NI_PRIVACY_OVERRIDE 0x0004 + +/** + * GPS NI responses, used to define the response in + * NI structures + */ +typedef int GpsUserResponseType; +#define GPS_NI_RESPONSE_ACCEPT 1 +#define GPS_NI_RESPONSE_DENY 2 +#define GPS_NI_RESPONSE_NORESP 3 + +/** + * NI data encoding scheme + */ +typedef int GpsNiEncodingType; +#define GPS_ENC_NONE 0 +#define GPS_ENC_SUPL_GSM_DEFAULT 1 +#define GPS_ENC_SUPL_UTF8 2 +#define GPS_ENC_SUPL_UCS2 3 +#define GPS_ENC_UNKNOWN -1 + +/** AGPS status event values. */ +typedef uint16_t AGpsStatusValue; +/** GPS requests data connection for AGPS. */ +#define GPS_REQUEST_AGPS_DATA_CONN 1 +/** GPS releases the AGPS data connection. */ +#define GPS_RELEASE_AGPS_DATA_CONN 2 +/** AGPS data connection initiated */ +#define GPS_AGPS_DATA_CONNECTED 3 +/** AGPS data connection completed */ +#define GPS_AGPS_DATA_CONN_DONE 4 +/** AGPS data connection failed */ +#define GPS_AGPS_DATA_CONN_FAILED 5 + +#define AGPS_REF_LOCATION_TYPE_GSM_CELLID 1 +#define AGPS_REF_LOCATION_TYPE_UMTS_CELLID 2 +#define AGPS_REG_LOCATION_TYPE_MAC 3 + +/** Network types for update_network_state "type" parameter */ +#define AGPS_RIL_NETWORK_TYPE_MOBILE 0 +#define AGPS_RIL_NETWORK_TYPE_WIFI 1 +#define AGPS_RIL_NETWORK_TYPE_MOBILE_MMS 2 +#define AGPS_RIL_NETWORK_TYPE_MOBILE_SUPL 3 +#define AGPS_RIL_NETWORK_TTYPE_MOBILE_DUN 4 +#define AGPS_RIL_NETWORK_TTYPE_MOBILE_HIPRI 5 +#define AGPS_RIL_NETWORK_TTYPE_WIMAX 6 + +/** + * Name for the GPS XTRA interface. + */ +#define GPS_XTRA_INTERFACE "gps-xtra" + +/** + * Name for the GPS DEBUG interface. + */ +#define GPS_DEBUG_INTERFACE "gps-debug" + +/** + * Name for the AGPS interface. + */ +#define AGPS_INTERFACE "agps" + +/** + * Name for NI interface + */ +#define GPS_NI_INTERFACE "gps-ni" + +/** + * Name for the AGPS-RIL interface. + */ +#define AGPS_RIL_INTERFACE "agps_ril" + +/** Represents a location. */ +typedef struct { + /** set to sizeof(GpsLocation) */ + size_t size; + /** Contains GpsLocationFlags bits. */ + uint16_t flags; + /** Represents latitude in degrees. */ + double latitude; + /** Represents longitude in degrees. */ + double longitude; + /** Represents altitude in meters above the WGS 84 reference + * ellipsoid. */ + double altitude; + /** Represents speed in meters per second. */ + float speed; + /** Represents heading in degrees. */ + float bearing; + /** Represents expected accuracy in meters. */ + float accuracy; + /** Timestamp for the location fix. */ + GpsUtcTime timestamp; +} GpsLocation; + +/** Represents the status. */ +typedef struct { + /** set to sizeof(GpsStatus) */ + size_t size; + GpsStatusValue status; +} GpsStatus; + +/** Represents SV information. */ +typedef struct { + /** set to sizeof(GpsSvInfo) */ + size_t size; + /** Pseudo-random number for the SV. */ + int prn; + /** Signal to noise ratio. */ + float snr; + /** Elevation of SV in degrees. */ + float elevation; + /** Azimuth of SV in degrees. */ + float azimuth; +} GpsSvInfo; + +/** Represents SV status. */ +typedef struct { + /** set to sizeof(GpsSvStatus) */ + size_t size; + + /** Number of SVs currently visible. */ + int num_svs; + + /** Contains an array of SV information. */ + GpsSvInfo sv_list[GPS_MAX_SVS]; + + /** Represents a bit mask indicating which SVs + * have ephemeris data. + */ + uint32_t ephemeris_mask; + + /** Represents a bit mask indicating which SVs + * have almanac data. + */ + uint32_t almanac_mask; + + /** + * Represents a bit mask indicating which SVs + * were used for computing the most recent position fix. + */ + uint32_t used_in_fix_mask; +} GpsSvStatus; + +/* 2G and 3G */ +/* In 3G lac is discarded */ +typedef struct { + uint16_t type; + uint16_t mcc; + uint16_t mnc; + uint16_t lac; + uint32_t cid; +} AGpsRefLocationCellID; + +typedef struct { + uint8_t mac[6]; +} AGpsRefLocationMac; + +/** Represents ref locations */ +typedef struct { + uint16_t type; + union { + AGpsRefLocationCellID cellID; + AGpsRefLocationMac mac; + } u; +} AGpsRefLocation; + +/** Callback with location information. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* gps_location_callback)(GpsLocation* location); + +/** Callback with status information. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* gps_status_callback)(GpsStatus* status); + +/** Callback with SV status information. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* gps_sv_status_callback)(GpsSvStatus* sv_info); + +/** Callback for reporting NMEA sentences. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* gps_nmea_callback)(GpsUtcTime timestamp, const char* nmea, int length); + +/** Callback to inform framework of the GPS engine's capabilities. + * Capability parameter is a bit field of GPS_CAPABILITY_* flags. + */ +typedef void (* gps_set_capabilities)(uint32_t capabilities); + +/** Callback utility for acquiring the GPS wakelock. + * This can be used to prevent the CPU from suspending while handling GPS events. + */ +typedef void (* gps_acquire_wakelock)(); + +/** Callback utility for releasing the GPS wakelock. */ +typedef void (* gps_release_wakelock)(); + +/** Callback for requesting NTP time */ +typedef void (* gps_request_utc_time)(); + +/** Callback for creating a thread that can call into the Java framework code. + * This must be used to create any threads that report events up to the framework. + */ +typedef pthread_t (* gps_create_thread)(const char* name, void (*start)(void *), void* arg); + +/** GPS callback structure. */ +typedef struct { + /** set to sizeof(GpsCallbacks) */ + size_t size; + gps_location_callback location_cb; + gps_status_callback status_cb; + gps_sv_status_callback sv_status_cb; + gps_nmea_callback nmea_cb; + gps_set_capabilities set_capabilities_cb; + gps_acquire_wakelock acquire_wakelock_cb; + gps_release_wakelock release_wakelock_cb; + gps_create_thread create_thread_cb; + gps_request_utc_time request_utc_time_cb; +} GpsCallbacks; + + +/** Represents the standard GPS interface. */ +typedef struct { + /** set to sizeof(GpsInterface) */ + size_t size; + /** + * Opens the interface and provides the callback routines + * to the implemenation of this interface. + */ + int (*init)( GpsCallbacks* callbacks ); + + /** Starts navigating. */ + int (*start)( void ); + + /** Stops navigating. */ + int (*stop)( void ); + + /** Closes the interface. */ + void (*cleanup)( void ); + + /** Injects the current time. */ + int (*inject_time)(GpsUtcTime time, int64_t timeReference, + int uncertainty); + + /** Injects current location from another location provider + * (typically cell ID). + * latitude and longitude are measured in degrees + * expected accuracy is measured in meters + */ + int (*inject_location)(double latitude, double longitude, float accuracy); + + /** + * Specifies that the next call to start will not use the + * information defined in the flags. GPS_DELETE_ALL is passed for + * a cold start. + */ + void (*delete_aiding_data)(GpsAidingData flags); + + /** + * min_interval represents the time between fixes in milliseconds. + * preferred_accuracy represents the requested fix accuracy in meters. + * preferred_time represents the requested time to first fix in milliseconds. + */ + int (*set_position_mode)(GpsPositionMode mode, GpsPositionRecurrence recurrence, + uint32_t min_interval, uint32_t preferred_accuracy, uint32_t preferred_time); + + /** Get a pointer to extension information. */ + const void* (*get_extension)(const char* name); +} GpsInterface; + +/** Callback to request the client to download XTRA data. + * The client should download XTRA data and inject it by calling inject_xtra_data(). + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* gps_xtra_download_request)(); + +/** Callback structure for the XTRA interface. */ +typedef struct { + gps_xtra_download_request download_request_cb; + gps_create_thread create_thread_cb; +} GpsXtraCallbacks; + +/** Extended interface for XTRA support. */ +typedef struct { + /** set to sizeof(GpsXtraInterface) */ + size_t size; + /** + * Opens the XTRA interface and provides the callback routines + * to the implemenation of this interface. + */ + int (*init)( GpsXtraCallbacks* callbacks ); + /** Injects XTRA data into the GPS. */ + int (*inject_xtra_data)( char* data, int length ); +} GpsXtraInterface; + +/** Extended interface for DEBUG support. */ +typedef struct { + /** set to sizeof(GpsDebugInterface) */ + size_t size; + + /** + * This function should return any information that the native + * implementation wishes to include in a bugreport. + */ + size_t (*get_internal_state)(char* buffer, size_t bufferSize); +} GpsDebugInterface; + +/** Represents the status of AGPS. */ +typedef struct { + /** set to sizeof(AGpsStatus) */ + size_t size; + + AGpsType type; + AGpsStatusValue status; + uint32_t ipaddr; +} AGpsStatus; + +/** Callback with AGPS status information. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (* agps_status_callback)(AGpsStatus* status); + +/** Callback structure for the AGPS interface. */ +typedef struct { + agps_status_callback status_cb; + gps_create_thread create_thread_cb; +} AGpsCallbacks; + + +/** Extended interface for AGPS support. */ +typedef struct { + /** set to sizeof(AGpsInterface) */ + size_t size; + + /** + * Opens the AGPS interface and provides the callback routines + * to the implemenation of this interface. + */ + void (*init)( AGpsCallbacks* callbacks ); + /** + * Notifies that a data connection is available and sets + * the name of the APN to be used for SUPL. + */ + int (*data_conn_open)( const char* apn ); + /** + * Notifies that the AGPS data connection has been closed. + */ + int (*data_conn_closed)(); + /** + * Notifies that a data connection is not available for AGPS. + */ + int (*data_conn_failed)(); + /** + * Sets the hostname and port for the AGPS server. + */ + int (*set_server)( AGpsType type, const char* hostname, int port ); +} AGpsInterface; + + +/** Represents an NI request */ +typedef struct { + /** set to sizeof(GpsNiNotification) */ + size_t size; + + /** + * An ID generated by HAL to associate NI notifications and UI + * responses + */ + int notification_id; + + /** + * An NI type used to distinguish different categories of NI + * events, such as GPS_NI_TYPE_VOICE, GPS_NI_TYPE_UMTS_SUPL, ... + */ + GpsNiType ni_type; + + /** + * Notification/verification options, combinations of GpsNiNotifyFlags constants + */ + GpsNiNotifyFlags notify_flags; + + /** + * Timeout period to wait for user response. + * Set to 0 for no time out limit. + */ + int timeout; + + /** + * Default response when time out. + */ + GpsUserResponseType default_response; + + /** + * Requestor ID + */ + char requestor_id[GPS_NI_SHORT_STRING_MAXLEN]; + + /** + * Notification message. It can also be used to store client_id in some cases + */ + char text[GPS_NI_LONG_STRING_MAXLEN]; + + /** + * Client name decoding scheme + */ + GpsNiEncodingType requestor_id_encoding; + + /** + * Client name decoding scheme + */ + GpsNiEncodingType text_encoding; + + /** + * A pointer to extra data. Format: + * key_1 = value_1 + * key_2 = value_2 + */ + char extras[GPS_NI_LONG_STRING_MAXLEN]; + +} GpsNiNotification; + +/** Callback with NI notification. + * Can only be called from a thread created by create_thread_cb. + */ +typedef void (*gps_ni_notify_callback)(GpsNiNotification *notification); + +/** GPS NI callback structure. */ +typedef struct +{ + /** + * Sends the notification request from HAL to GPSLocationProvider. + */ + gps_ni_notify_callback notify_cb; + gps_create_thread create_thread_cb; +} GpsNiCallbacks; + +/** + * Extended interface for Network-initiated (NI) support. + */ +typedef struct +{ + /** set to sizeof(GpsNiInterface) */ + size_t size; + + /** Registers the callbacks for HAL to use. */ + void (*init) (GpsNiCallbacks *callbacks); + + /** Sends a response to HAL. */ + void (*respond) (int notif_id, GpsUserResponseType user_response); +} GpsNiInterface; + +struct gps_device_t { + struct hw_device_t common; + + /** + * Set the provided lights to the provided values. + * + * Returns: 0 on succes, error code on failure. + */ + const GpsInterface* (*get_gps_interface)(struct gps_device_t* dev); +}; + +#define AGPS_RIL_REQUEST_SETID_IMSI (1<<0L) +#define AGPS_RIL_REQUEST_SETID_MSISDN (1<<1L) + +#define AGPS_RIL_REQUEST_REFLOC_CELLID (1<<0L) +#define AGPS_RIL_REQUEST_REFLOC_MAC (1<<1L) + +typedef void (*agps_ril_request_set_id)(uint32_t flags); +typedef void (*agps_ril_request_ref_loc)(uint32_t flags); + +typedef struct { + agps_ril_request_set_id request_setid; + agps_ril_request_ref_loc request_refloc; + gps_create_thread create_thread_cb; +} AGpsRilCallbacks; + +/** Extended interface for AGPS_RIL support. */ +typedef struct { + /** set to sizeof(AGpsRilInterface) */ + size_t size; + /** + * Opens the AGPS interface and provides the callback routines + * to the implemenation of this interface. + */ + void (*init)( AGpsRilCallbacks* callbacks ); + + /** + * Sets the reference location. + */ + void (*set_ref_location) (const AGpsRefLocation *agps_reflocation, size_t sz_struct); + /** + * Sets the set ID. + */ + void (*set_set_id) (AGpsSetIDType type, const char* setid); + + /** + * Send network initiated message. + */ + void (*ni_message) (uint8_t *msg, size_t len); + + /** + * Notify GPS of network status changes. + * These parameters match values in the android.net.NetworkInfo class. + */ + void (*update_network_state) (int connected, int type, int roaming, const char* extra_info); + + /** + * Notify GPS of network status changes. + * These parameters match values in the android.net.NetworkInfo class. + */ + void (*update_network_availability) (int avaiable, const char* apn); +} AGpsRilInterface; + +__END_DECLS + +#endif /* ANDROID_INCLUDE_HARDWARE_GPS_H */ + diff --git a/hardware/gralloc.h b/hardware/gralloc.h new file mode 100644 index 0000000..7c819f0 --- /dev/null +++ b/hardware/gralloc.h @@ -0,0 +1,269 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_GRALLOC_INTERFACE_H +#define ANDROID_GRALLOC_INTERFACE_H + +#include +#include + +#include +#include +#include + +#include + +#include +#include + +__BEGIN_DECLS + +#define GRALLOC_API_VERSION 1 + +/** + * The id of this module + */ +#define GRALLOC_HARDWARE_MODULE_ID "gralloc" + +/** + * Name of the graphics device to open + */ + +#define GRALLOC_HARDWARE_GPU0 "gpu0" + +enum { + /* buffer is never read in software */ + GRALLOC_USAGE_SW_READ_NEVER = 0x00000000, + /* buffer is rarely read in software */ + GRALLOC_USAGE_SW_READ_RARELY = 0x00000002, + /* buffer is often read in software */ + GRALLOC_USAGE_SW_READ_OFTEN = 0x00000003, + /* mask for the software read values */ + GRALLOC_USAGE_SW_READ_MASK = 0x0000000F, + + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_NEVER = 0x00000000, + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_RARELY = 0x00000020, + /* buffer is never written in software */ + GRALLOC_USAGE_SW_WRITE_OFTEN = 0x00000030, + /* mask for the software write values */ + GRALLOC_USAGE_SW_WRITE_MASK = 0x000000F0, + + /* buffer will be used as an OpenGL ES texture */ + GRALLOC_USAGE_HW_TEXTURE = 0x00000100, + /* buffer will be used as an OpenGL ES render target */ + GRALLOC_USAGE_HW_RENDER = 0x00000200, + /* buffer will be used by the 2D hardware blitter */ + GRALLOC_USAGE_HW_2D = 0x00000400, + /* buffer will be used by the HWComposer HAL module */ + GRALLOC_USAGE_HW_COMPOSER = 0x00000800, + /* buffer will be used with the framebuffer device */ + GRALLOC_USAGE_HW_FB = 0x00001000, + /* buffer will be used with the HW video encoder */ + GRALLOC_USAGE_HW_VIDEO_ENCODER = 0x00010000, + /* buffer will be written by the HW camera pipeline */ + GRALLOC_USAGE_HW_CAMERA_WRITE = 0x00020000, + /* buffer will be read by the HW camera pipeline */ + GRALLOC_USAGE_HW_CAMERA_READ = 0x00040000, + /* buffer will be used as part of zero-shutter-lag queue */ + GRALLOC_USAGE_HW_CAMERA_ZSL = 0x00060000, + /* mask for the camera access values */ + GRALLOC_USAGE_HW_CAMERA_MASK = 0x00060000, + /* mask for the software usage bit-mask */ + GRALLOC_USAGE_HW_MASK = 0x00071F00, + + /* buffer should be displayed full-screen on an external display when + * possible + */ + GRALLOC_USAGE_EXTERNAL_DISP = 0x00002000, + + /* Must have a hardware-protected path to external display sink for + * this buffer. If a hardware-protected path is not available, then + * either don't composite only this buffer (preferred) to the + * external sink, or (less desirable) do not route the entire + * composition to the external sink. + */ + GRALLOC_USAGE_PROTECTED = 0x00004000, + + /* implementation-specific private usage flags */ + GRALLOC_USAGE_PRIVATE_0 = 0x10000000, + GRALLOC_USAGE_PRIVATE_1 = 0x20000000, + GRALLOC_USAGE_PRIVATE_2 = 0x40000000, + GRALLOC_USAGE_PRIVATE_3 = 0x80000000, + GRALLOC_USAGE_PRIVATE_MASK = 0xF0000000, +}; + +/*****************************************************************************/ + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +typedef struct gralloc_module_t { + struct hw_module_t common; + + /* + * (*registerBuffer)() must be called before a buffer_handle_t that has not + * been created with (*alloc_device_t::alloc)() can be used. + * + * This is intended to be used with buffer_handle_t's that have been + * received in this process through IPC. + * + * This function checks that the handle is indeed a valid one and prepares + * it for use with (*lock)() and (*unlock)(). + * + * It is not necessary to call (*registerBuffer)() on a handle created + * with (*alloc_device_t::alloc)(). + * + * returns an error if this buffer_handle_t is not valid. + */ + int (*registerBuffer)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + /* + * (*unregisterBuffer)() is called once this handle is no longer needed in + * this process. After this call, it is an error to call (*lock)(), + * (*unlock)(), or (*registerBuffer)(). + * + * This function doesn't close or free the handle itself; this is done + * by other means, usually through libcutils's native_handle_close() and + * native_handle_free(). + * + * It is an error to call (*unregisterBuffer)() on a buffer that wasn't + * explicitly registered first. + */ + int (*unregisterBuffer)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + /* + * The (*lock)() method is called before a buffer is accessed for the + * specified usage. This call may block, for instance if the h/w needs + * to finish rendering or if CPU caches need to be synchronized. + * + * The caller promises to modify only pixels in the area specified + * by (l,t,w,h). + * + * The content of the buffer outside of the specified area is NOT modified + * by this call. + * + * If usage specifies GRALLOC_USAGE_SW_*, vaddr is filled with the address + * of the buffer in virtual memory. + * + * THREADING CONSIDERATIONS: + * + * It is legal for several different threads to lock a buffer from + * read access, none of the threads are blocked. + * + * However, locking a buffer simultaneously for write or read/write is + * undefined, but: + * - shall not result in termination of the process + * - shall not block the caller + * It is acceptable to return an error or to leave the buffer's content + * into an indeterminate state. + * + * If the buffer was created with a usage mask incompatible with the + * requested usage flags here, -EINVAL is returned. + * + */ + + int (*lock)(struct gralloc_module_t const* module, + buffer_handle_t handle, int usage, + int l, int t, int w, int h, + void** vaddr); + + + /* + * The (*unlock)() method must be called after all changes to the buffer + * are completed. + */ + + int (*unlock)(struct gralloc_module_t const* module, + buffer_handle_t handle); + + + /* reserved for future use */ + int (*perform)(struct gralloc_module_t const* module, + int operation, ... ); + + /* reserved for future use */ + void* reserved_proc[7]; +} gralloc_module_t; + +/*****************************************************************************/ + +/** + * Every device data structure must begin with hw_device_t + * followed by module specific public methods and attributes. + */ + +typedef struct alloc_device_t { + struct hw_device_t common; + + /* + * (*alloc)() Allocates a buffer in graphic memory with the requested + * parameters and returns a buffer_handle_t and the stride in pixels to + * allow the implementation to satisfy hardware constraints on the width + * of a pixmap (eg: it may have to be multiple of 8 pixels). + * The CALLER TAKES OWNERSHIP of the buffer_handle_t. + * + * Returns 0 on success or -errno on error. + */ + + int (*alloc)(struct alloc_device_t* dev, + int w, int h, int format, int usage, + buffer_handle_t* handle, int* stride); + + /* + * (*free)() Frees a previously allocated buffer. + * Behavior is undefined if the buffer is still mapped in any process, + * but shall not result in termination of the program or security breaches + * (allowing a process to get access to another process' buffers). + * THIS FUNCTION TAKES OWNERSHIP of the buffer_handle_t which becomes + * invalid after the call. + * + * Returns 0 on success or -errno on error. + */ + int (*free)(struct alloc_device_t* dev, + buffer_handle_t handle); + + /* This hook is OPTIONAL. + * + * If non NULL it will be caused by SurfaceFlinger on dumpsys + */ + void (*dump)(struct alloc_device_t *dev, char *buff, int buff_len); + + void* reserved_proc[7]; +} alloc_device_t; + + +/** convenience API for opening and closing a supported device */ + +static inline int gralloc_open(const struct hw_module_t* module, + struct alloc_device_t** device) { + return module->methods->open(module, + GRALLOC_HARDWARE_GPU0, (struct hw_device_t**)device); +} + +static inline int gralloc_close(struct alloc_device_t* device) { + return device->common.close(&device->common); +} + +__END_DECLS + +#endif // ANDROID_GRALLOC_INTERFACE_H diff --git a/hardware/hardware.h b/hardware/hardware.h new file mode 100644 index 0000000..416ae39 --- /dev/null +++ b/hardware/hardware.h @@ -0,0 +1,230 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_HARDWARE_H +#define ANDROID_INCLUDE_HARDWARE_HARDWARE_H + +#include +#include + +#include +#include + +__BEGIN_DECLS + +/* + * Value for the hw_module_t.tag field + */ + +#define MAKE_TAG_CONSTANT(A,B,C,D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D)) + +#define HARDWARE_MODULE_TAG MAKE_TAG_CONSTANT('H', 'W', 'M', 'T') +#define HARDWARE_DEVICE_TAG MAKE_TAG_CONSTANT('H', 'W', 'D', 'T') + +#define HARDWARE_MAKE_API_VERSION(maj,min) \ + ((((maj) & 0xff) << 8) | ((min) & 0xff)) + +#define HARDWARE_MAKE_API_VERSION_2(maj,min,hdr) \ + ((((maj) & 0xff) << 24) | (((min) & 0xff) << 16) | ((hdr) & 0xffff)) +#define HARDWARE_API_VERSION_2_MAJ_MIN_MASK 0xffff0000 +#define HARDWARE_API_VERSION_2_HEADER_MASK 0x0000ffff + + +/* + * The current HAL API version. + * + * All module implementations must set the hw_module_t.hal_api_version field + * to this value when declaring the module with HAL_MODULE_INFO_SYM. + * + * Note that previous implementations have always set this field to 0. + * Therefore, libhardware HAL API will always consider versions 0.0 and 1.0 + * to be 100% binary compatible. + * + */ +#define HARDWARE_HAL_API_VERSION HARDWARE_MAKE_API_VERSION(1, 0) + +/* + * Helper macros for module implementors. + * + * The derived modules should provide convenience macros for supported + * versions so that implementations can explicitly specify module/device + * versions at definition time. + * + * Use this macro to set the hw_module_t.module_api_version field. + */ +#define HARDWARE_MODULE_API_VERSION(maj,min) HARDWARE_MAKE_API_VERSION(maj,min) +#define HARDWARE_MODULE_API_VERSION_2(maj,min,hdr) HARDWARE_MAKE_API_VERSION_2(maj,min,hdr) + +/* + * Use this macro to set the hw_device_t.version field + */ +#define HARDWARE_DEVICE_API_VERSION(maj,min) HARDWARE_MAKE_API_VERSION(maj,min) +#define HARDWARE_DEVICE_API_VERSION_2(maj,min,hdr) HARDWARE_MAKE_API_VERSION_2(maj,min,hdr) + +struct hw_module_t; +struct hw_module_methods_t; +struct hw_device_t; + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +typedef struct hw_module_t { + /** tag must be initialized to HARDWARE_MODULE_TAG */ + uint32_t tag; + + /** + * The API version of the implemented module. The module owner is + * responsible for updating the version when a module interface has + * changed. + * + * The derived modules such as gralloc and audio own and manage this field. + * The module user must interpret the version field to decide whether or + * not to inter-operate with the supplied module implementation. + * For example, SurfaceFlinger is responsible for making sure that + * it knows how to manage different versions of the gralloc-module API, + * and AudioFlinger must know how to do the same for audio-module API. + * + * The module API version should include a major and a minor component. + * For example, version 1.0 could be represented as 0x0100. This format + * implies that versions 0x0100-0x01ff are all API-compatible. + * + * In the future, libhardware will expose a hw_get_module_version() + * (or equivalent) function that will take minimum/maximum supported + * versions as arguments and would be able to reject modules with + * versions outside of the supplied range. + */ + uint16_t module_api_version; +#define version_major module_api_version + /** + * version_major/version_minor defines are supplied here for temporary + * source code compatibility. They will be removed in the next version. + * ALL clients must convert to the new version format. + */ + + /** + * The API version of the HAL module interface. This is meant to + * version the hw_module_t, hw_module_methods_t, and hw_device_t + * structures and definitions. + * + * The HAL interface owns this field. Module users/implementations + * must NOT rely on this value for version information. + * + * Presently, 0 is the only valid value. + */ + uint16_t hal_api_version; +#define version_minor hal_api_version + + /** Identifier of module */ + const char *id; + + /** Name of this module */ + const char *name; + + /** Author/owner/implementor of the module */ + const char *author; + + /** Modules methods */ + struct hw_module_methods_t* methods; + + /** module's dso */ + void* dso; + + /** padding to 128 bytes, reserved for future use */ + uint32_t reserved[32-7]; + +} hw_module_t; + +typedef struct hw_module_methods_t { + /** Open a specific device */ + int (*open)(const struct hw_module_t* module, const char* id, + struct hw_device_t** device); + +} hw_module_methods_t; + +/** + * Every device data structure must begin with hw_device_t + * followed by module specific public methods and attributes. + */ +typedef struct hw_device_t { + /** tag must be initialized to HARDWARE_DEVICE_TAG */ + uint32_t tag; + + /** + * Version of the module-specific device API. This value is used by + * the derived-module user to manage different device implementations. + * + * The module user is responsible for checking the module_api_version + * and device version fields to ensure that the user is capable of + * communicating with the specific module implementation. + * + * One module can support multiple devices with different versions. This + * can be useful when a device interface changes in an incompatible way + * but it is still necessary to support older implementations at the same + * time. One such example is the Camera 2.0 API. + * + * This field is interpreted by the module user and is ignored by the + * HAL interface itself. + */ + uint32_t version; + + /** reference to the module this device belongs to */ + struct hw_module_t* module; + + /** padding reserved for future use */ + uint32_t reserved[12]; + + /** Close this device */ + int (*close)(struct hw_device_t* device); + +} hw_device_t; + +/** + * Name of the hal_module_info + */ +#define HAL_MODULE_INFO_SYM HMI + +/** + * Name of the hal_module_info as a string + */ +#define HAL_MODULE_INFO_SYM_AS_STR "HMI" + +/** + * Get the module info associated with a module by id. + * + * @return: 0 == success, <0 == error and *module == NULL + */ +int hw_get_module(const char *id, const struct hw_module_t **module); + +/** + * Get the module info associated with a module instance by class 'class_id' + * and instance 'inst'. + * + * Some modules types necessitate multiple instances. For example audio supports + * multiple concurrent interfaces and thus 'audio' is the module class + * and 'primary' or 'a2dp' are module interfaces. This implies that the files + * providing these modules would be named audio.primary..so and + * audio.a2dp..so + * + * @return: 0 == success, <0 == error and *module == NULL + */ +int hw_get_module_by_class(const char *class_id, const char *inst, + const struct hw_module_t **module); + +__END_DECLS + +#endif /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */ diff --git a/hardware/hwcomposer.h b/hardware/hwcomposer.h new file mode 100644 index 0000000..c30ef33 --- /dev/null +++ b/hardware/hwcomposer.h @@ -0,0 +1,587 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H +#define ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H + +#include +#include + +#include +#include +#include + +#include + +__BEGIN_DECLS + +/*****************************************************************************/ + +/* for compatibility */ +#define HWC_MODULE_API_VERSION HWC_MODULE_API_VERSION_0_1 +#define HWC_DEVICE_API_VERSION HWC_DEVICE_API_VERSION_0_1 +#define HWC_API_VERSION HWC_DEVICE_API_VERSION + +/* Users of this header can define HWC_REMOVE_DEPRECATED_VERSIONS to test that + * they still work with just the current version declared, before the + * deprecated versions are actually removed. + * + * To find code that still depends on the old versions, set the #define to 1 + * here. Code that explicitly sets it to zero (rather than simply not defining + * it) will still see the old versions. + */ +#if !defined(HWC_REMOVE_DEPRECATED_VERSIONS) +#define HWC_REMOVE_DEPRECATED_VERSIONS 0 +#endif + +/*****************************************************************************/ + +/** + * The id of this module + */ +#define HWC_HARDWARE_MODULE_ID "hwcomposer" + +/** + * Name of the sensors device to open + */ +#define HWC_HARDWARE_COMPOSER "composer" + +typedef struct hwc_rect { + int left; + int top; + int right; + int bottom; +} hwc_rect_t; + +typedef struct hwc_region { + size_t numRects; + hwc_rect_t const* rects; +} hwc_region_t; + +typedef struct hwc_color { + uint8_t r; + uint8_t g; + uint8_t b; + uint8_t a; +} hwc_color_t; + +typedef struct hwc_layer_1 { + /* + * compositionType is used to specify this layer's type and is set by either + * the hardware composer implementation, or by the caller (see below). + * + * This field is always reset to HWC_BACKGROUND or HWC_FRAMEBUFFER + * before (*prepare)() is called when the HWC_GEOMETRY_CHANGED flag is + * also set, otherwise, this field is preserved between (*prepare)() + * calls. + * + * HWC_BACKGROUND + * Always set by the caller before calling (*prepare)(), this value + * indicates this is a special "background" layer. The only valid field + * is backgroundColor. + * The HWC can toggle this value to HWC_FRAMEBUFFER to indicate it CANNOT + * handle the background color. + * + * + * HWC_FRAMEBUFFER_TARGET + * Always set by the caller before calling (*prepare)(), this value + * indicates this layer is the framebuffer surface used as the target of + * OpenGL ES composition. If the HWC sets all other layers to HWC_OVERLAY + * or HWC_BACKGROUND, then no OpenGL ES composition will be done, and + * this layer should be ignored during set(). + * + * This flag (and the framebuffer surface layer) will only be used if the + * HWC version is HWC_DEVICE_API_VERSION_1_1 or higher. In older versions, + * the OpenGL ES target surface is communicated by the (dpy, sur) fields + * in hwc_compositor_device_1_t. + * + * This value cannot be set by the HWC implementation. + * + * + * HWC_FRAMEBUFFER + * Set by the caller before calling (*prepare)() ONLY when the + * HWC_GEOMETRY_CHANGED flag is also set. + * + * Set by the HWC implementation during (*prepare)(), this indicates + * that the layer will be drawn into the framebuffer using OpenGL ES. + * The HWC can toggle this value to HWC_OVERLAY to indicate it will + * handle the layer. + * + * + * HWC_OVERLAY + * Set by the HWC implementation during (*prepare)(), this indicates + * that the layer will be handled by the HWC (ie: it must not be + * composited with OpenGL ES). + * + */ + int32_t compositionType; + + /* + * hints is bit mask set by the HWC implementation during (*prepare)(). + * It is preserved between (*prepare)() calls, unless the + * HWC_GEOMETRY_CHANGED flag is set, in which case it is reset to 0. + * + * see hwc_layer_t::hints + */ + uint32_t hints; + + /* see hwc_layer_t::flags */ + uint32_t flags; + + union { + /* color of the background. hwc_color_t.a is ignored */ + hwc_color_t backgroundColor; + + struct { + /* handle of buffer to compose. This handle is guaranteed to have been + * allocated from gralloc using the GRALLOC_USAGE_HW_COMPOSER usage flag. If + * the layer's handle is unchanged across two consecutive prepare calls and + * the HWC_GEOMETRY_CHANGED flag is not set for the second call then the + * HWComposer implementation may assume that the contents of the buffer have + * not changed. */ + buffer_handle_t handle; + + /* transformation to apply to the buffer during composition */ + uint32_t transform; + + /* blending to apply during composition */ + int32_t blending; + + /* area of the source to consider, the origin is the top-left corner of + * the buffer */ + hwc_rect_t sourceCrop; + + /* where to composite the sourceCrop onto the display. The sourceCrop + * is scaled using linear filtering to the displayFrame. The origin is the + * top-left corner of the screen. + */ + hwc_rect_t displayFrame; + + /* visible region in screen space. The origin is the + * top-left corner of the screen. + * The visible region INCLUDES areas overlapped by a translucent layer. + */ + hwc_region_t visibleRegionScreen; + + /* Sync fence object that will be signaled when the buffer's + * contents are available. May be -1 if the contents are already + * available. This field is only valid during set(), and should be + * ignored during prepare(). The set() call must not wait for the + * fence to be signaled before returning, but the HWC must wait for + * all buffers to be signaled before reading from them. + * + * HWC_FRAMEBUFFER layers will never have an acquire fence, since + * reads from them are complete before the framebuffer is ready for + * display. + * + * The HWC takes ownership of the acquireFenceFd and is responsible + * for closing it when no longer needed. + */ + int acquireFenceFd; + + /* During set() the HWC must set this field to a file descriptor for + * a sync fence object that will signal after the HWC has finished + * reading from the buffer. The field is ignored by prepare(). Each + * layer should have a unique file descriptor, even if more than one + * refer to the same underlying fence object; this allows each to be + * closed independently. + * + * If buffer reads can complete at significantly different times, + * then using independent fences is preferred. For example, if the + * HWC handles some layers with a blit engine and others with + * overlays, then the blit layers can be reused immediately after + * the blit completes, but the overlay layers can't be reused until + * a subsequent frame has been displayed. + * + * Since HWC doesn't read from HWC_FRAMEBUFFER layers, it shouldn't + * produce a release fence for them. The releaseFenceFd will be -1 + * for these layers when set() is called. + * + * The HWC client taks ownership of the releaseFenceFd and is + * responsible for closing it when no longer needed. + */ + int releaseFenceFd; + }; + }; + + /* Allow for expansion w/o breaking binary compatibility. + * Pad layer to 96 bytes, assuming 32-bit pointers. + */ + int32_t reserved[24 - 18]; + +} hwc_layer_1_t; + +/* This represents a display, typically an EGLDisplay object */ +typedef void* hwc_display_t; + +/* This represents a surface, typically an EGLSurface object */ +typedef void* hwc_surface_t; + +/* + * hwc_display_contents_1_t::flags values + */ +enum { + /* + * HWC_GEOMETRY_CHANGED is set by SurfaceFlinger to indicate that the list + * passed to (*prepare)() has changed by more than just the buffer handles + * and acquire fences. + */ + HWC_GEOMETRY_CHANGED = 0x00000001, +}; + +/* + * Description of the contents to output on a display. + * + * This is the top-level structure passed to the prepare and set calls to + * negotiate and commit the composition of a display image. + */ +typedef struct hwc_display_contents_1 { + /* File descriptor referring to a Sync HAL fence object which will signal + * when this composition is retired. For a physical display, a composition + * is retired when it has been replaced on-screen by a subsequent set. For + * a virtual display, the composition is retired when the writes to + * outputBuffer are complete and can be read. The fence object is created + * and returned by the set call; this field will be -1 on entry to prepare + * and set. SurfaceFlinger will close the returned file descriptor. + */ + int retireFenceFd; + + union { + /* Fields only relevant for HWC_DEVICE_VERSION_1_0. */ + struct { + /* (dpy, sur) is the target of SurfaceFlinger's OpenGL ES + * composition for HWC_DEVICE_VERSION_1_0. They aren't relevant to + * prepare. The set call should commit this surface atomically to + * the display along with any overlay layers. + */ + hwc_display_t dpy; + hwc_surface_t sur; + }; + + /* Fields only relevant for HWC_DEVICE_VERSION_1_2 and later. */ + struct { + /* outbuf is the buffer that receives the composed image for + * virtual displays. Writes to the outbuf must wait until + * outbufAcquireFenceFd signals. A fence that will signal when + * writes to outbuf are complete should be returned in + * retireFenceFd. + * + * For physical displays, outbuf will be NULL. + */ + buffer_handle_t outbuf; + + /* File descriptor for a fence that will signal when outbuf is + * ready to be written. The h/w composer is responsible for closing + * this when no longer needed. + * + * Will be -1 whenever outbuf is NULL, or when the outbuf can be + * written immediately. + */ + int outbufAcquireFenceFd; + }; + }; + + /* List of layers that will be composed on the display. The buffer handles + * in the list will be unique. If numHwLayers is 0, all composition will be + * performed by SurfaceFlinger. + */ + uint32_t flags; + size_t numHwLayers; + hwc_layer_1_t hwLayers[0]; + +} hwc_display_contents_1_t; + +/* see hwc_composer_device::registerProcs() + * All of the callbacks are required and non-NULL unless otherwise noted. + */ +typedef struct hwc_procs { + /* + * (*invalidate)() triggers a screen refresh, in particular prepare and set + * will be called shortly after this call is made. Note that there is + * NO GUARANTEE that the screen refresh will happen after invalidate() + * returns (in particular, it could happen before). + * invalidate() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL and + * it is safe to call invalidate() from any of hwc_composer_device + * hooks, unless noted otherwise. + */ + void (*invalidate)(const struct hwc_procs* procs); + + /* + * (*vsync)() is called by the h/w composer HAL when a vsync event is + * received and HWC_EVENT_VSYNC is enabled on a display + * (see: hwc_event_control). + * + * the "disp" parameter indicates which display the vsync event is for. + * the "timestamp" parameter is the system monotonic clock timestamp in + * nanosecond of when the vsync event happened. + * + * vsync() is GUARANTEED TO NOT CALL BACK into the h/w composer HAL. + * + * It is expected that vsync() is called from a thread of at least + * HAL_PRIORITY_URGENT_DISPLAY with as little latency as possible, + * typically less than 0.5 ms. + * + * It is a (silent) error to have HWC_EVENT_VSYNC enabled when calling + * hwc_composer_device.set(..., 0, 0, 0) (screen off). The implementation + * can either stop or continue to process VSYNC events, but must not + * crash or cause other problems. + */ + void (*vsync)(const struct hwc_procs* procs, int disp, int64_t timestamp); + + /* + * (*hotplug)() is called by the h/w composer HAL when a display is + * connected or disconnected. The PRIMARY display is always connected and + * the hotplug callback should not be called for it. + * + * The disp parameter indicates which display type this event is for. + * The connected parameter indicates whether the display has just been + * connected (1) or disconnected (0). + * + * The hotplug() callback may call back into the h/w composer on the same + * thread to query refresh rate and dpi for the display. Additionally, + * other threads may be calling into the h/w composer while the callback + * is in progress. + * + * The h/w composer must serialize calls to the hotplug callback; only + * one thread may call it at a time. + * + * This callback will be NULL if the h/w composer is using + * HWC_DEVICE_API_VERSION_1_0. + */ + void (*hotplug)(const struct hwc_procs* procs, int disp, int connected); + +} hwc_procs_t; + + +/*****************************************************************************/ + +typedef struct hwc_module { + struct hw_module_t common; +} hwc_module_t; + +typedef struct hwc_composer_device_1 { + struct hw_device_t common; + + /* + * (*prepare)() is called for each frame before composition and is used by + * SurfaceFlinger to determine what composition steps the HWC can handle. + * + * (*prepare)() can be called more than once, the last call prevails. + * + * The HWC responds by setting the compositionType field in each layer to + * either HWC_FRAMEBUFFER or HWC_OVERLAY. In the former case, the + * composition for the layer is handled by SurfaceFlinger with OpenGL ES, + * in the later case, the HWC will have to handle the layer's composition. + * compositionType and hints are preserved between (*prepare)() calles + * unless the HWC_GEOMETRY_CHANGED flag is set. + * + * (*prepare)() is called with HWC_GEOMETRY_CHANGED to indicate that the + * list's geometry has changed, that is, when more than just the buffer's + * handles have been updated. Typically this happens (but is not limited to) + * when a window is added, removed, resized or moved. In this case + * compositionType and hints are reset to their default value. + * + * For HWC 1.0, numDisplays will always be one, and displays[0] will be + * non-NULL. + * + * For HWC 1.1, numDisplays will always be HWC_NUM_DISPLAY_TYPES. Entries + * for unsupported or disabled/disconnected display types will be NULL. + * + * For HWC 1.2 and later, numDisplays will be HWC_NUM_DISPLAY_TYPES or more. + * The extra entries correspond to enabled virtual displays, and will be + * non-NULL. In HWC 1.2, support for one virtual display is required, and + * no more than one will be used. Future HWC versions might require more. + * + * returns: 0 on success. An negative error code on error. If an error is + * returned, SurfaceFlinger will assume that none of the layer will be + * handled by the HWC. + */ + int (*prepare)(struct hwc_composer_device_1 *dev, + size_t numDisplays, hwc_display_contents_1_t** displays); + + /* + * (*set)() is used in place of eglSwapBuffers(), and assumes the same + * functionality, except it also commits the work list atomically with + * the actual eglSwapBuffers(). + * + * The layer lists are guaranteed to be the same as the ones returned from + * the last call to (*prepare)(). + * + * When this call returns the caller assumes that the displays will be + * updated in the near future with the content of their work lists, without + * artifacts during the transition from the previous frame. + * + * A display with zero layers indicates that the entire composition has + * been handled by SurfaceFlinger with OpenGL ES. In this case, (*set)() + * behaves just like eglSwapBuffers(). + * + * For HWC 1.0, numDisplays will always be one, and displays[0] will be + * non-NULL. + * + * For HWC 1.1, numDisplays will always be HWC_NUM_DISPLAY_TYPES. Entries + * for unsupported or disabled/disconnected display types will be NULL. + * + * For HWC 1.2 and later, numDisplays will be HWC_NUM_DISPLAY_TYPES or more. + * The extra entries correspond to enabled virtual displays, and will be + * non-NULL. In HWC 1.2, support for one virtual display is required, and + * no more than one will be used. Future HWC versions might require more. + * + * IMPORTANT NOTE: There is an implicit layer containing opaque black + * pixels behind all the layers in the list. It is the responsibility of + * the hwcomposer module to make sure black pixels are output (or blended + * from). + * + * IMPORTANT NOTE: In the event of an error this call *MUST* still cause + * any fences returned in the previous call to set to eventually become + * signaled. The caller may have already issued wait commands on these + * fences, and having set return without causing those fences to signal + * will likely result in a deadlock. + * + * returns: 0 on success. A negative error code on error: + * HWC_EGL_ERROR: eglGetError() will provide the proper error code (only + * allowed prior to HWComposer 1.1) + * Another code for non EGL errors. + */ + int (*set)(struct hwc_composer_device_1 *dev, + size_t numDisplays, hwc_display_contents_1_t** displays); + + /* + * eventControl(..., event, enabled) + * Enables or disables h/w composer events for a display. + * + * eventControl can be called from any thread and takes effect + * immediately. + * + * Supported events are: + * HWC_EVENT_VSYNC + * + * returns -EINVAL if the "event" parameter is not one of the value above + * or if the "enabled" parameter is not 0 or 1. + */ + int (*eventControl)(struct hwc_composer_device_1* dev, int disp, + int event, int enabled); + + /* + * blank(..., blank) + * Blanks or unblanks a display's screen. + * + * Turns the screen off when blank is nonzero, on when blank is zero. + * Multiple sequential calls with the same blank value must be supported. + * The screen state transition must be be complete when the function + * returns. + * + * returns 0 on success, negative on error. + */ + int (*blank)(struct hwc_composer_device_1* dev, int disp, int blank); + + /* + * Used to retrieve information about the h/w composer + * + * Returns 0 on success or -errno on error. + */ + int (*query)(struct hwc_composer_device_1* dev, int what, int* value); + + /* + * (*registerProcs)() registers callbacks that the h/w composer HAL can + * later use. It will be called immediately after the composer device is + * opened with non-NULL procs. It is FORBIDDEN to call any of the callbacks + * from within registerProcs(). registerProcs() must save the hwc_procs_t + * pointer which is needed when calling a registered callback. + */ + void (*registerProcs)(struct hwc_composer_device_1* dev, + hwc_procs_t const* procs); + + /* + * This field is OPTIONAL and can be NULL. + * + * If non NULL it will be called by SurfaceFlinger on dumpsys + */ + void (*dump)(struct hwc_composer_device_1* dev, char *buff, int buff_len); + + /* + * (*getDisplayConfigs)() returns handles for the configurations available + * on the connected display. These handles must remain valid as long as the + * display is connected. + * + * Configuration handles are written to configs. The number of entries + * allocated by the caller is passed in *numConfigs; getDisplayConfigs must + * not try to write more than this number of config handles. On return, the + * total number of configurations available for the display is returned in + * *numConfigs. If *numConfigs is zero on entry, then configs may be NULL. + * + * HWC_DEVICE_API_VERSION_1_1 does not provide a way to choose a config. + * For displays that support multiple configurations, the h/w composer + * implementation should choose one and report it as the first config in + * the list. Reporting the not-chosen configs is not required. + * + * Returns 0 on success or -errno on error. If disp is a hotpluggable + * display type and no display is connected, an error should be returned. + * + * This field is REQUIRED for HWC_DEVICE_API_VERSION_1_1 and later. + * It should be NULL for previous versions. + */ + int (*getDisplayConfigs)(struct hwc_composer_device_1* dev, int disp, + uint32_t* configs, size_t* numConfigs); + + /* + * (*getDisplayAttributes)() returns attributes for a specific config of a + * connected display. The config parameter is one of the config handles + * returned by getDisplayConfigs. + * + * The list of attributes to return is provided in the attributes + * parameter, terminated by HWC_DISPLAY_NO_ATTRIBUTE. The value for each + * requested attribute is written in order to the values array. The + * HWC_DISPLAY_NO_ATTRIBUTE attribute does not have a value, so the values + * array will have one less value than the attributes array. + * + * This field is REQUIRED for HWC_DEVICE_API_VERSION_1_1 and later. + * It should be NULL for previous versions. + * + * If disp is a hotpluggable display type and no display is connected, + * or if config is not a valid configuration for the display, a negative + * value should be returned. + */ + int (*getDisplayAttributes)(struct hwc_composer_device_1* dev, int disp, + uint32_t config, const uint32_t* attributes, int32_t* values); + + /* + * Reserved for future use. Must be NULL. + */ + void* reserved_proc[4]; + +} hwc_composer_device_1_t; + +/** convenience API for opening and closing a device */ + +static inline int hwc_open_1(const struct hw_module_t* module, + hwc_composer_device_1_t** device) { + return module->methods->open(module, + HWC_HARDWARE_COMPOSER, (struct hw_device_t**)device); +} + +static inline int hwc_close_1(hwc_composer_device_1_t* device) { + return device->common.close(&device->common); +} + +/*****************************************************************************/ + +#if !HWC_REMOVE_DEPRECATED_VERSIONS +#include +#endif + +__END_DECLS + +#endif /* ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H */ diff --git a/hardware/hwcomposer_defs.h b/hardware/hwcomposer_defs.h new file mode 100644 index 0000000..b23f08a --- /dev/null +++ b/hardware/hwcomposer_defs.h @@ -0,0 +1,202 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_DEFS_H +#define ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_DEFS_H + +#include +#include + +#include +#include +#include + +__BEGIN_DECLS + +/*****************************************************************************/ + +#define HWC_HEADER_VERSION 1 + +#define HWC_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) + +#define HWC_DEVICE_API_VERSION_0_1 HARDWARE_DEVICE_API_VERSION_2(0, 1, HWC_HEADER_VERSION) +#define HWC_DEVICE_API_VERSION_0_2 HARDWARE_DEVICE_API_VERSION_2(0, 2, HWC_HEADER_VERSION) +#define HWC_DEVICE_API_VERSION_0_3 HARDWARE_DEVICE_API_VERSION_2(0, 3, HWC_HEADER_VERSION) +#define HWC_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION_2(1, 0, HWC_HEADER_VERSION) +#define HWC_DEVICE_API_VERSION_1_1 HARDWARE_DEVICE_API_VERSION_2(1, 1, HWC_HEADER_VERSION) +#define HWC_DEVICE_API_VERSION_1_2 HARDWARE_DEVICE_API_VERSION_2(1, 2, HWC_HEADER_VERSION) + +enum { + /* hwc_composer_device_t::set failed in EGL */ + HWC_EGL_ERROR = -1 +}; + +/* + * hwc_layer_t::hints values + * Hints are set by the HAL and read by SurfaceFlinger + */ +enum { + /* + * HWC can set the HWC_HINT_TRIPLE_BUFFER hint to indicate to SurfaceFlinger + * that it should triple buffer this layer. Typically HWC does this when + * the layer will be unavailable for use for an extended period of time, + * e.g. if the display will be fetching data directly from the layer and + * the layer can not be modified until after the next set(). + */ + HWC_HINT_TRIPLE_BUFFER = 0x00000001, + + /* + * HWC sets HWC_HINT_CLEAR_FB to tell SurfaceFlinger that it should clear the + * framebuffer with transparent pixels where this layer would be. + * SurfaceFlinger will only honor this flag when the layer has no blending + * + */ + HWC_HINT_CLEAR_FB = 0x00000002 +}; + +/* + * hwc_layer_t::flags values + * Flags are set by SurfaceFlinger and read by the HAL + */ +enum { + /* + * HWC_SKIP_LAYER is set by SurfaceFlnger to indicate that the HAL + * shall not consider this layer for composition as it will be handled + * by SurfaceFlinger (just as if compositionType was set to HWC_OVERLAY). + */ + HWC_SKIP_LAYER = 0x00000001, +}; + +/* + * hwc_layer_t::compositionType values + */ +enum { + /* this layer is to be drawn into the framebuffer by SurfaceFlinger */ + HWC_FRAMEBUFFER = 0, + + /* this layer will be handled in the HWC */ + HWC_OVERLAY = 1, + + /* this is the background layer. it's used to set the background color. + * there is only a single background layer */ + HWC_BACKGROUND = 2, + + /* this layer holds the result of compositing the HWC_FRAMEBUFFER layers. + * Added in HWC_DEVICE_API_VERSION_1_1. */ + HWC_FRAMEBUFFER_TARGET = 3, +}; + +/* + * hwc_layer_t::blending values + */ +enum { + /* no blending */ + HWC_BLENDING_NONE = 0x0100, + + /* ONE / ONE_MINUS_SRC_ALPHA */ + HWC_BLENDING_PREMULT = 0x0105, + + /* SRC_ALPHA / ONE_MINUS_SRC_ALPHA */ + HWC_BLENDING_COVERAGE = 0x0405 +}; + +/* + * hwc_layer_t::transform values + */ +enum { + /* flip source image horizontally */ + HWC_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H, + /* flip source image vertically */ + HWC_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V, + /* rotate source image 90 degrees clock-wise */ + HWC_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, + /* rotate source image 180 degrees */ + HWC_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, + /* rotate source image 270 degrees clock-wise */ + HWC_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270, +}; + +/* attributes queriable with query() */ +enum { + /* + * Availability: HWC_DEVICE_API_VERSION_0_2 + * Must return 1 if the background layer is supported, 0 otherwise. + */ + HWC_BACKGROUND_LAYER_SUPPORTED = 0, + + /* + * Availability: HWC_DEVICE_API_VERSION_0_3 + * Returns the vsync period in nanoseconds. + * + * This query is not used for HWC_DEVICE_API_VERSION_1_1 and later. + * Instead, the per-display attribute HWC_DISPLAY_VSYNC_PERIOD is used. + */ + HWC_VSYNC_PERIOD = 1, + + /* + * Availability: HWC_DEVICE_API_VERSION_1_1 + * Returns a mask of supported display types. + */ + HWC_DISPLAY_TYPES_SUPPORTED = 2, +}; + +/* display attributes returned by getDisplayAttributes() */ +enum { + /* Indicates the end of an attribute list */ + HWC_DISPLAY_NO_ATTRIBUTE = 0, + + /* The vsync period in nanoseconds */ + HWC_DISPLAY_VSYNC_PERIOD = 1, + + /* The number of pixels in the horizontal and vertical directions. */ + HWC_DISPLAY_WIDTH = 2, + HWC_DISPLAY_HEIGHT = 3, + + /* The number of pixels per thousand inches of this configuration. + * + * Scaling DPI by 1000 allows it to be stored in an int without losing + * too much precision. + * + * If the DPI for a configuration is unavailable or the HWC implementation + * considers it unreliable, it should set these attributes to zero. + */ + HWC_DISPLAY_DPI_X = 4, + HWC_DISPLAY_DPI_Y = 5, +}; + +/* Allowed events for hwc_methods::eventControl() */ +enum { + HWC_EVENT_VSYNC = 0, + HWC_EVENT_ORIENTATION // To notify HWC about the device orientation +}; + +/* Display types and associated mask bits. */ +enum { + HWC_DISPLAY_PRIMARY = 0, + HWC_DISPLAY_EXTERNAL = 1, // HDMI, DP, etc. + HWC_NUM_DISPLAY_TYPES +}; + +enum { + HWC_DISPLAY_PRIMARY_BIT = 1 << HWC_DISPLAY_PRIMARY, + HWC_DISPLAY_EXTERNAL_BIT = 1 << HWC_DISPLAY_EXTERNAL, +}; + +/*****************************************************************************/ + +__END_DECLS + +#endif /* ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_DEFS_H */ diff --git a/hardware/hwcomposer_v0.h b/hardware/hwcomposer_v0.h new file mode 100644 index 0000000..473819b --- /dev/null +++ b/hardware/hwcomposer_v0.h @@ -0,0 +1,272 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* This header contains deprecated HWCv0 interface declarations. Don't include + * this header directly; it will be included by unless + * HWC_REMOVE_DEPRECATED_VERSIONS is defined to non-zero. + */ +#ifndef ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_H +#error "This header should only be included by hardware/hwcomposer.h" +#endif + +#ifndef ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_V0_H +#define ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_V0_H + +struct hwc_composer_device; + +/* + * availability: HWC_DEVICE_API_VERSION_0_3 + * + * struct hwc_methods cannot be embedded in other structures as + * sizeof(struct hwc_methods) cannot be relied upon. + * + */ +typedef struct hwc_methods { + + /************************************************************************* + * HWC_DEVICE_API_VERSION_0_3 + *************************************************************************/ + + /* + * eventControl(..., event, enabled) + * Enables or disables h/w composer events. + * + * eventControl can be called from any thread and takes effect + * immediately. + * + * Supported events are: + * HWC_EVENT_VSYNC + * + * returns -EINVAL if the "event" parameter is not one of the value above + * or if the "enabled" parameter is not 0 or 1. + */ + + int (*eventControl)( + struct hwc_composer_device* dev, int event, int enabled); + +} hwc_methods_t; + +typedef struct hwc_layer { + /* + * initially set to HWC_FRAMEBUFFER or HWC_BACKGROUND. + * HWC_FRAMEBUFFER + * indicates the layer will be drawn into the framebuffer + * using OpenGL ES. + * The HWC can toggle this value to HWC_OVERLAY, to indicate + * it will handle the layer. + * + * HWC_BACKGROUND + * indicates this is a special "background" layer. The only valid + * field is backgroundColor. HWC_BACKGROUND can only be used with + * HWC_API_VERSION >= 0.2 + * The HWC can toggle this value to HWC_FRAMEBUFFER, to indicate + * it CANNOT handle the background color + * + */ + int32_t compositionType; + + /* see hwc_layer_t::hints above */ + uint32_t hints; + + /* see hwc_layer_t::flags above */ + uint32_t flags; + + union { + /* color of the background. hwc_color_t.a is ignored */ + hwc_color_t backgroundColor; + + struct { + /* handle of buffer to compose. This handle is guaranteed to have been + * allocated from gralloc using the GRALLOC_USAGE_HW_COMPOSER usage flag. If + * the layer's handle is unchanged across two consecutive prepare calls and + * the HWC_GEOMETRY_CHANGED flag is not set for the second call then the + * HWComposer implementation may assume that the contents of the buffer have + * not changed. */ + buffer_handle_t handle; + + /* transformation to apply to the buffer during composition */ + uint32_t transform; + + /* blending to apply during composition */ + int32_t blending; + + /* area of the source to consider, the origin is the top-left corner of + * the buffer */ + hwc_rect_t sourceCrop; + + /* where to composite the sourceCrop onto the display. The sourceCrop + * is scaled using linear filtering to the displayFrame. The origin is the + * top-left corner of the screen. + */ + hwc_rect_t displayFrame; + + /* visible region in screen space. The origin is the + * top-left corner of the screen. + * The visible region INCLUDES areas overlapped by a translucent layer. + */ + hwc_region_t visibleRegionScreen; + }; + }; +} hwc_layer_t; + +/* + * List of layers. + * The handle members of hwLayers elements must be unique. + */ +typedef struct hwc_layer_list { + uint32_t flags; + size_t numHwLayers; + hwc_layer_t hwLayers[0]; +} hwc_layer_list_t; + +/*****************************************************************************/ + +typedef struct hwc_composer_device { + struct hw_device_t common; + + /* + * (*prepare)() is called for each frame before composition and is used by + * SurfaceFlinger to determine what composition steps the HWC can handle. + * + * (*prepare)() can be called more than once, the last call prevails. + * + * The HWC responds by setting the compositionType field to either + * HWC_FRAMEBUFFER or HWC_OVERLAY. In the former case, the composition for + * this layer is handled by SurfaceFlinger with OpenGL ES, in the later + * case, the HWC will have to handle this layer's composition. + * + * (*prepare)() is called with HWC_GEOMETRY_CHANGED to indicate that the + * list's geometry has changed, that is, when more than just the buffer's + * handles have been updated. Typically this happens (but is not limited to) + * when a window is added, removed, resized or moved. + * + * a NULL list parameter or a numHwLayers of zero indicates that the + * entire composition will be handled by SurfaceFlinger with OpenGL ES. + * + * returns: 0 on success. An negative error code on error. If an error is + * returned, SurfaceFlinger will assume that none of the layer will be + * handled by the HWC. + */ + int (*prepare)(struct hwc_composer_device *dev, hwc_layer_list_t* list); + + /* + * (*set)() is used in place of eglSwapBuffers(), and assumes the same + * functionality, except it also commits the work list atomically with + * the actual eglSwapBuffers(). + * + * The list parameter is guaranteed to be the same as the one returned + * from the last call to (*prepare)(). + * + * When this call returns the caller assumes that: + * + * - the display will be updated in the near future with the content + * of the work list, without artifacts during the transition from the + * previous frame. + * + * - all objects are available for immediate access or destruction, in + * particular, hwc_region_t::rects data and hwc_layer_t::layer's buffer. + * Note that this means that immediately accessing (potentially from a + * different process) a buffer used in this call will not result in + * screen corruption, the driver must apply proper synchronization or + * scheduling (eg: block the caller, such as gralloc_module_t::lock(), + * OpenGL ES, Camera, Codecs, etc..., or schedule the caller's work + * after the buffer is freed from the actual composition). + * + * a NULL list parameter or a numHwLayers of zero indicates that the + * entire composition has been handled by SurfaceFlinger with OpenGL ES. + * In this case, (*set)() behaves just like eglSwapBuffers(). + * + * dpy, sur, and list are set to NULL to indicate that the screen is + * turning off. This happens WITHOUT prepare() being called first. + * This is a good time to free h/w resources and/or power + * the relevant h/w blocks down. + * + * IMPORTANT NOTE: there is an implicit layer containing opaque black + * pixels behind all the layers in the list. + * It is the responsibility of the hwcomposer module to make + * sure black pixels are output (or blended from). + * + * returns: 0 on success. An negative error code on error: + * HWC_EGL_ERROR: eglGetError() will provide the proper error code + * Another code for non EGL errors. + * + */ + int (*set)(struct hwc_composer_device *dev, + hwc_display_t dpy, + hwc_surface_t sur, + hwc_layer_list_t* list); + + /* + * This field is OPTIONAL and can be NULL. + * + * If non NULL it will be called by SurfaceFlinger on dumpsys + */ + void (*dump)(struct hwc_composer_device* dev, char *buff, int buff_len); + + /* + * This field is OPTIONAL and can be NULL. + * + * (*registerProcs)() registers a set of callbacks the h/w composer HAL + * can later use. It is FORBIDDEN to call any of the callbacks from + * within registerProcs(). registerProcs() must save the hwc_procs_t pointer + * which is needed when calling a registered callback. + * Each call to registerProcs replaces the previous set of callbacks. + * registerProcs is called with NULL to unregister all callbacks. + * + * Any of the callbacks can be NULL, in which case the corresponding + * functionality is not supported. + */ + void (*registerProcs)(struct hwc_composer_device* dev, + hwc_procs_t const* procs); + + /* + * This field is OPTIONAL and can be NULL. + * availability: HWC_DEVICE_API_VERSION_0_2 + * + * Used to retrieve information about the h/w composer + * + * Returns 0 on success or -errno on error. + */ + int (*query)(struct hwc_composer_device* dev, int what, int* value); + + /* + * Reserved for future use. Must be NULL. + */ + void* reserved_proc[4]; + + /* + * This field is OPTIONAL and can be NULL. + * availability: HWC_DEVICE_API_VERSION_0_3 + */ + hwc_methods_t const *methods; + +} hwc_composer_device_t; + +/** convenience API for opening and closing a device */ + +static inline int hwc_open(const struct hw_module_t* module, + hwc_composer_device_t** device) { + return module->methods->open(module, + HWC_HARDWARE_COMPOSER, (struct hw_device_t**)device); +} + +static inline int hwc_close(hwc_composer_device_t* device) { + return device->common.close(&device->common); +} + +/*****************************************************************************/ + +#endif /* ANDROID_INCLUDE_HARDWARE_HWCOMPOSER_V0_H */ diff --git a/hardware/keymaster.h b/hardware/keymaster.h new file mode 100644 index 0000000..e0014c8 --- /dev/null +++ b/hardware/keymaster.h @@ -0,0 +1,214 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_HARDWARE_KEYMASTER_H +#define ANDROID_HARDWARE_KEYMASTER_H + +#include +#include +#include + +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define KEYSTORE_HARDWARE_MODULE_ID "keystore" + +#define KEYSTORE_KEYMASTER "keymaster" + +/** + * The API level of this version of the header. The allows the implementing + * module to recognize which API level of the client it is dealing with in + * the case of pre-compiled binary clients. + */ +#define KEYMASTER_API_VERSION 1 + +/** + * Flags for keymaster_device::flags + */ +enum { + /* + * Indicates this keymaster implementation does not have hardware that + * keeps private keys out of user space. + * + * This should not be implemented on anything other than the default + * implementation. + */ + KEYMASTER_SOFTWARE_ONLY = 0x00000001, +}; + +struct keystore_module { + hw_module_t common; +}; + +/** + * Asymmetric key pair types. + */ +typedef enum { + TYPE_RSA = 1, +} keymaster_keypair_t; + +/** + * Parameters needed to generate an RSA key. + */ +typedef struct { + uint32_t modulus_size; + uint64_t public_exponent; +} keymaster_rsa_keygen_params_t; + +/** + * Digest type used for RSA operations. + */ +typedef enum { + DIGEST_NONE, +} keymaster_rsa_digest_t; + +/** + * Type of padding used for RSA operations. + */ +typedef enum { + PADDING_NONE, +} keymaster_rsa_padding_t; + +typedef struct { + keymaster_rsa_digest_t digest_type; + keymaster_rsa_padding_t padding_type; +} keymaster_rsa_sign_params_t; + +/** + * The parameters that can be set for a given keymaster implementation. + */ +struct keymaster_device { + struct hw_device_t common; + + uint32_t client_version; + + /** + * See flags defined for keymaster_device::flags above. + */ + uint32_t flags; + + void* context; + + /** + * Generates a public and private key. The key-blob returned is opaque + * and must subsequently provided for signing and verification. + * + * Returns: 0 on success or an error code less than 0. + */ + int (*generate_keypair)(const struct keymaster_device* dev, + const keymaster_keypair_t key_type, const void* key_params, + uint8_t** key_blob, size_t* key_blob_length); + + /** + * Imports a public and private key pair. The imported keys will be in + * PKCS#8 format with DER encoding (Java standard). The key-blob + * returned is opaque and will be subsequently provided for signing + * and verification. + * + * Returns: 0 on success or an error code less than 0. + */ + int (*import_keypair)(const struct keymaster_device* dev, + const uint8_t* key, const size_t key_length, + uint8_t** key_blob, size_t* key_blob_length); + + /** + * Gets the public key part of a key pair. The public key must be in + * X.509 format (Java standard) encoded byte array. + * + * Returns: 0 on success or an error code less than 0. + * On error, x509_data should not be allocated. + */ + int (*get_keypair_public)(const struct keymaster_device* dev, + const uint8_t* key_blob, const size_t key_blob_length, + uint8_t** x509_data, size_t* x509_data_length); + + /** + * Deletes the key pair associated with the key blob. + * + * This function is optional and should be set to NULL if it is not + * implemented. + * + * Returns 0 on success or an error code less than 0. + */ + int (*delete_keypair)(const struct keymaster_device* dev, + const uint8_t* key_blob, const size_t key_blob_length); + + /** + * Deletes all keys in the hardware keystore. Used when keystore is + * reset completely. + * + * This function is optional and should be set to NULL if it is not + * implemented. + * + * Returns 0 on success or an error code less than 0. + */ + int (*delete_all)(const struct keymaster_device* dev); + + /** + * Signs data using a key-blob generated before. This can use either + * an asymmetric key or a secret key. + * + * Returns: 0 on success or an error code less than 0. + */ + int (*sign_data)(const struct keymaster_device* dev, + const void* signing_params, + const uint8_t* key_blob, const size_t key_blob_length, + const uint8_t* data, const size_t data_length, + uint8_t** signed_data, size_t* signed_data_length); + + /** + * Verifies data signed with a key-blob. This can use either + * an asymmetric key or a secret key. + * + * Returns: 0 on successful verification or an error code less than 0. + */ + int (*verify_data)(const struct keymaster_device* dev, + const void* signing_params, + const uint8_t* key_blob, const size_t key_blob_length, + const uint8_t* signed_data, const size_t signed_data_length, + const uint8_t* signature, const size_t signature_length); +}; +typedef struct keymaster_device keymaster_device_t; + + +/* Convenience API for opening and closing keymaster devices */ + +static inline int keymaster_open(const struct hw_module_t* module, + keymaster_device_t** device) +{ + int rc = module->methods->open(module, KEYSTORE_KEYMASTER, + (struct hw_device_t**) device); + + if (!rc) { + (*device)->client_version = KEYMASTER_API_VERSION; + } + + return rc; +} + +static inline int keymaster_close(keymaster_device_t* device) +{ + return device->common.close(&device->common); +} + +__END_DECLS + +#endif // ANDROID_HARDWARE_KEYMASTER_H + diff --git a/hardware/lights.h b/hardware/lights.h new file mode 100644 index 0000000..de0ba94 --- /dev/null +++ b/hardware/lights.h @@ -0,0 +1,145 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_LIGHTS_INTERFACE_H +#define ANDROID_LIGHTS_INTERFACE_H + +#include +#include +#include + +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define LIGHTS_HARDWARE_MODULE_ID "lights" + +/* + * These light IDs correspond to logical lights, not physical. + * So for example, if your INDICATOR light is in line with your + * BUTTONS, it might make sense to also light the INDICATOR + * light to a reasonable color when the BUTTONS are lit. + */ +#define LIGHT_ID_BACKLIGHT "backlight" +#define LIGHT_ID_KEYBOARD "keyboard" +#define LIGHT_ID_BUTTONS "buttons" +#define LIGHT_ID_BATTERY "battery" +#define LIGHT_ID_NOTIFICATIONS "notifications" +#define LIGHT_ID_ATTENTION "attention" + +/* + * These lights aren't currently supported by the higher + * layers, but could be someday, so we have the constants + * here now. + */ +#define LIGHT_ID_BLUETOOTH "bluetooth" +#define LIGHT_ID_WIFI "wifi" + +/* +* Additional hardware-specific lights +*/ +#define LIGHT_ID_CAPS "caps" +#define LIGHT_ID_FUNC "func" +#define LIGHT_ID_WIMAX "wimax" +#define LIGHT_ID_FLASHLIGHT "flashlight" + +/* ************************************************************************ + * Flash modes for the flashMode field of light_state_t. + */ + +#define LIGHT_FLASH_NONE 0 + +/** + * To flash the light at a given rate, set flashMode to LIGHT_FLASH_TIMED, + * and then flashOnMS should be set to the number of milliseconds to turn + * the light on, followed by the number of milliseconds to turn the light + * off. + */ +#define LIGHT_FLASH_TIMED 1 + +/** + * To flash the light using hardware assist, set flashMode to + * the hardware mode. + */ +#define LIGHT_FLASH_HARDWARE 2 + +/** + * Light brightness is managed by a user setting. + */ +#define BRIGHTNESS_MODE_USER 0 + +/** + * Light brightness is managed by a light sensor. + */ +#define BRIGHTNESS_MODE_SENSOR 1 + +/** + * The parameters that can be set for a given light. + * + * Not all lights must support all parameters. If you + * can do something backward-compatible, you should. + */ +struct light_state_t { + /** + * The color of the LED in ARGB. + * + * Do your best here. + * - If your light can only do red or green, if they ask for blue, + * you should do green. + * - If you can only do a brightness ramp, then use this formula: + * unsigned char brightness = ((77*((color>>16)&0x00ff)) + * + (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8; + * - If you can only do on or off, 0 is off, anything else is on. + * + * The high byte should be ignored. Callers will set it to 0xff (which + * would correspond to 255 alpha). + */ + unsigned int color; + + /** + * See the LIGHT_FLASH_* constants + */ + int flashMode; + int flashOnMS; + int flashOffMS; + + /** + * Policy used by the framework to manage the light's brightness. + * Currently the values are BRIGHTNESS_MODE_USER and BRIGHTNESS_MODE_SENSOR. + */ + int brightnessMode; +}; + +struct light_device_t { + struct hw_device_t common; + + /** + * Set the provided lights to the provided values. + * + * Returns: 0 on succes, error code on failure. + */ + int (*set_light)(struct light_device_t* dev, + struct light_state_t const* state); +}; + + +__END_DECLS + +#endif // ANDROID_LIGHTS_INTERFACE_H + diff --git a/hardware/local_time_hal.h b/hardware/local_time_hal.h new file mode 100644 index 0000000..6b6a317 --- /dev/null +++ b/hardware/local_time_hal.h @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_LOCAL_TIME_HAL_INTERFACE_H +#define ANDROID_LOCAL_TIME_HAL_INTERFACE_H + +#include + +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define LOCAL_TIME_HARDWARE_MODULE_ID "local_time" + +/** + * Name of the local time devices to open + */ +#define LOCAL_TIME_HARDWARE_INTERFACE "local_time_hw_if" + +/**********************************************************************/ + +/** + * A structure used to collect low level sync data in a lab environment. Most + * HAL implementations will never need this structure. + */ +struct local_time_debug_event { + int64_t local_timesync_event_id; + int64_t local_time; +}; + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +struct local_time_module { + struct hw_module_t common; +}; + +struct local_time_hw_device { + struct hw_device_t common; + + /** + * + * Returns the current value of the system wide local time counter + */ + int64_t (*get_local_time)(struct local_time_hw_device* dev); + + /** + * + * Returns the nominal frequency (in hertz) of the system wide local time + * counter + */ + uint64_t (*get_local_freq)(struct local_time_hw_device* dev); + + /** + * + * Sets the HW slew rate of oscillator which drives the system wide local + * time counter. On success, platforms should return 0. Platforms which + * do not support HW slew should leave this method set to NULL. + * + * Valid values for rate range from MIN_INT16 to MAX_INT16. Platform + * implementations should attempt map this range linearly to the min/max + * slew rate of their hardware. + */ + int (*set_local_slew)(struct local_time_hw_device* dev, int16_t rate); + + /** + * + * A method used to collect low level sync data in a lab environments. + * Most HAL implementations will simply set this member to NULL, or return + * -EINVAL to indicate that this functionality is not supported. + * Production HALs should never support this method. + */ + int (*get_debug_log)(struct local_time_hw_device* dev, + struct local_time_debug_event* records, + int max_records); +}; + +typedef struct local_time_hw_device local_time_hw_device_t; + +/** convenience API for opening and closing a supported device */ + +static inline int local_time_hw_device_open( + const struct hw_module_t* module, + struct local_time_hw_device** device) +{ + return module->methods->open(module, LOCAL_TIME_HARDWARE_INTERFACE, + (struct hw_device_t**)device); +} + +static inline int local_time_hw_device_close(struct local_time_hw_device* device) +{ + return device->common.close(&device->common); +} + + +__END_DECLS + +#endif // ANDROID_LOCAL_TIME_INTERFACE_H diff --git a/hardware/nfc.h b/hardware/nfc.h new file mode 100644 index 0000000..09523b3 --- /dev/null +++ b/hardware/nfc.h @@ -0,0 +1,276 @@ +/* + * Copyright (C) 2011, 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_NFC_HAL_INTERFACE_H +#define ANDROID_NFC_HAL_INTERFACE_H + +#include +#include +#include +#include + +#include + +__BEGIN_DECLS + + +/* NFC device HAL for NCI-based NFC controllers. + * + * This HAL allows NCI silicon vendors to make use + * of the core NCI stack in Android for their own silicon. + * + * The responibilities of the NCI HAL implementation + * are as follows: + * + * - Implement the transport to the NFC controller + * - Implement each of the HAL methods specified below as applicable to their silicon + * - Pass up received NCI messages from the controller to the stack + * + * A simplified timeline of NCI HAL method calls: + * 1) Core NCI stack calls open() + * 2) Core NCI stack executes CORE_RESET and CORE_INIT through calls to write() + * 3) Core NCI stack calls core_initialized() to allow HAL to do post-init configuration + * 4) Core NCI stack calls pre_discover() to allow HAL to prepare for RF discovery + * 5) Core NCI stack starts discovery through calls to write() + * 6) Core NCI stack stops discovery through calls to write() (e.g. screen turns off) + * 7) Core NCI stack calls pre_discover() to prepare for RF discovery (e.g. screen turned back on) + * 8) Core NCI stack starts discovery through calls to write() + * ... + * ... + * 9) Core NCI stack calls close() + */ +#define NFC_NCI_HARDWARE_MODULE_ID "nfc_nci" +#define NFC_NCI_CONTROLLER "nci" + +/* + * nfc_nci_module_t should contain module-specific parameters + */ +typedef struct nfc_nci_module_t { + struct hw_module_t common; +} nfc_nci_module_t; + +/* + * HAL events that can be passed back to the stack + */ +typedef uint8_t nfc_event_t; + +enum { + HAL_NFC_OPEN_CPLT_EVT = 0x00, + HAL_NFC_CLOSE_CPLT_EVT = 0x01, + HAL_NFC_POST_INIT_CPLT_EVT = 0x02, + HAL_NFC_PRE_DISCOVER_CPLT_EVT = 0x03, + HAL_NFC_REQUEST_CONTROL_EVT = 0x04, + HAL_NFC_RELEASE_CONTROL_EVT = 0x05, + HAL_NFC_ERROR_EVT = 0x06 +}; + +/* + * Allowed status return values for each of the HAL methods + */ +typedef uint8_t nfc_status_t; + +enum { + HAL_NFC_STATUS_OK = 0x00, + HAL_NFC_STATUS_FAILED = 0x01, + HAL_NFC_STATUS_ERR_TRANSPORT = 0x02, + HAL_NFC_STATUS_ERR_CMD_TIMEOUT = 0x03, + HAL_NFC_STATUS_REFUSED = 0x04 +}; + +/* + * The callback passed in from the NFC stack that the HAL + * can use to pass events back to the stack. + */ +typedef void (nfc_stack_callback_t) (nfc_event_t event, nfc_status_t event_status); + +/* + * The callback passed in from the NFC stack that the HAL + * can use to pass incomming data to the stack. + */ +typedef void (nfc_stack_data_callback_t) (uint16_t data_len, uint8_t* p_data); + +/* nfc_nci_device_t starts with a hw_device_t struct, + * followed by device-specific methods and members. + * + * All methods in the NCI HAL are asynchronous. + */ +typedef struct nfc_nci_device { + struct hw_device_t common; + /* + * (*open)() Opens the NFC controller device and performs initialization. + * This may include patch download and other vendor-specific initialization. + * + * If open completes successfully, the controller should be ready to perform + * NCI initialization - ie accept CORE_RESET and subsequent commands through + * the write() call. + * + * If open() returns 0, the NCI stack will wait for a HAL_NFC_OPEN_CPLT_EVT + * before continuing. + * + * If open() returns any other value, the NCI stack will stop. + * + */ + int (*open)(const struct nfc_nci_device *p_dev, nfc_stack_callback_t *p_cback, + nfc_stack_data_callback_t *p_data_cback); + + /* + * (*write)() Performs an NCI write. + * + * This method may queue writes and return immediately. The only + * requirement is that the writes are executed in order. + */ + int (*write)(const struct nfc_nci_device *p_dev, uint16_t data_len, const uint8_t *p_data); + + /* + * (*core_initialized)() is called after the CORE_INIT_RSP is received from the NFCC. + * At this time, the HAL can do any chip-specific configuration. + * + * If core_initialized() returns 0, the NCI stack will wait for a HAL_NFC_POST_INIT_CPLT_EVT + * before continuing. + * + * If core_initialized() returns any other value, the NCI stack will continue + * immediately. + */ + int (*core_initialized)(const struct nfc_nci_device *p_dev, uint8_t* p_core_init_rsp_params); + + /* + * (*pre_discover)() Is called every time before starting RF discovery. + * It is a good place to do vendor-specific configuration that must be + * performed every time RF discovery is about to be started. + * + * If pre_discover() returns 0, the NCI stack will wait for a HAL_NFC_PRE_DISCOVER_CPLT_EVT + * before continuing. + * + * If pre_discover() returns any other value, the NCI stack will start + * RF discovery immediately. + */ + int (*pre_discover)(const struct nfc_nci_device *p_dev); + + /* + * (*close)() Closed the NFC controller. Should free all resources. + */ + int (*close)(const struct nfc_nci_device *p_dev); + + /* + * (*control_granted)() Grant HAL the exclusive control to send NCI commands. + * Called in response to HAL_REQUEST_CONTROL_EVT. + * Must only be called when there are no NCI commands pending. + * HAL_RELEASE_CONTROL_EVT will notify when HAL no longer needs exclusive control. + */ + int (*control_granted)(const struct nfc_nci_device *p_dev); + + /* + * (*power_cycle)() Restart controller by power cyle; + * HAL_OPEN_CPLT_EVT will notify when operation is complete. + */ + int (*power_cycle)(const struct nfc_nci_device *p_dev); +} nfc_nci_device_t; + +/* + * Convenience methods that the NFC stack can use to open + * and close an NCI device + */ +static inline int nfc_nci_open(const struct hw_module_t* module, + nfc_nci_device_t** dev) { + return module->methods->open(module, NFC_NCI_CONTROLLER, + (struct hw_device_t**) dev); +} + +static inline int nfc_nci_close(nfc_nci_device_t* dev) { + return dev->common.close(&dev->common); +} +/* + * End NFC NCI HAL + */ + +/* + * This is a limited NFC HAL for NXP PN544-based devices. + * This HAL as Android is moving to + * an NCI-based NFC stack. + * + * All NCI-based NFC controllers should use the NFC-NCI + * HAL instead. + * Begin PN544 specific HAL + */ +#define NFC_HARDWARE_MODULE_ID "nfc" + +#define NFC_PN544_CONTROLLER "pn544" + +typedef struct nfc_module_t { + struct hw_module_t common; +} nfc_module_t; + +/* + * PN544 linktypes. + * UART + * I2C + * USB (uses UART DAL) + */ +typedef enum { + PN544_LINK_TYPE_UART, + PN544_LINK_TYPE_I2C, + PN544_LINK_TYPE_USB, + PN544_LINK_TYPE_INVALID, +} nfc_pn544_linktype; + +typedef struct { + struct hw_device_t common; + + /* The number of EEPROM registers to write */ + uint32_t num_eeprom_settings; + + /* The actual EEPROM settings + * For PN544, each EEPROM setting is a 4-byte entry, + * of the format [0x00, addr_msb, addr_lsb, value]. + */ + uint8_t* eeprom_settings; + + /* The link type to which the PN544 is connected */ + nfc_pn544_linktype linktype; + + /* The device node to which the PN544 is connected */ + const char* device_node; + + /* On Crespo we had an I2C issue that would cause us to sometimes read + * the I2C slave address (0x57) over the bus. libnfc contains + * a hack to ignore this byte and try to read the length byte + * again. + * Set to 0 to disable the workaround, 1 to enable it. + */ + uint8_t enable_i2c_workaround; + /* I2C slave address. Multiple I2C addresses are + * possible for PN544 module. Configure address according to + * board design. + */ + uint8_t i2c_device_address; +} nfc_pn544_device_t; + +static inline int nfc_pn544_open(const struct hw_module_t* module, + nfc_pn544_device_t** dev) { + return module->methods->open(module, NFC_PN544_CONTROLLER, + (struct hw_device_t**) dev); +} + +static inline int nfc_pn544_close(nfc_pn544_device_t* dev) { + return dev->common.close(&dev->common); +} +/* + * End PN544 specific HAL + */ + +__END_DECLS + +#endif // ANDROID_NFC_HAL_INTERFACE_H diff --git a/hardware/power.h b/hardware/power.h new file mode 100644 index 0000000..b3724f0 --- /dev/null +++ b/hardware/power.h @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_POWER_H +#define ANDROID_INCLUDE_HARDWARE_POWER_H + +#include +#include +#include + +#include + +__BEGIN_DECLS + +#define POWER_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) +#define POWER_MODULE_API_VERSION_0_2 HARDWARE_MODULE_API_VERSION(0, 2) + + +/** + * The id of this module + */ +#define POWER_HARDWARE_MODULE_ID "power" + +/* + * Power hint identifiers passed to (*powerHint) + */ + +typedef enum { + POWER_HINT_VSYNC = 0x00000001, + POWER_HINT_INTERACTION = 0x00000002, + POWER_HINT_VIDEO_ENCODE = 0x00000003, + POWER_HINT_CPU_BOOST = 0x00000004, +} power_hint_t; + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +typedef struct power_module { + struct hw_module_t common; + + /* + * (*init)() performs power management setup actions at runtime + * startup, such as to set default cpufreq parameters. This is + * called only by the Power HAL instance loaded by + * PowerManagerService. + */ + void (*init)(struct power_module *module); + + /* + * (*setInteractive)() performs power management actions upon the + * system entering interactive state (that is, the system is awake + * and ready for interaction, often with UI devices such as + * display and touchscreen enabled) or non-interactive state (the + * system appears asleep, display usually turned off). The + * non-interactive state is usually entered after a period of + * inactivity, in order to conserve battery power during + * such inactive periods. + * + * Typical actions are to turn on or off devices and adjust + * cpufreq parameters. This function may also call the + * appropriate interfaces to allow the kernel to suspend the + * system to low-power sleep state when entering non-interactive + * state, and to disallow low-power suspend when the system is in + * interactive state. When low-power suspend state is allowed, the + * kernel may suspend the system whenever no wakelocks are held. + * + * on is non-zero when the system is transitioning to an + * interactive / awake state, and zero when transitioning to a + * non-interactive / asleep state. + * + * This function is called to enter non-interactive state after + * turning off the screen (if present), and called to enter + * interactive state prior to turning on the screen. + */ + void (*setInteractive)(struct power_module *module, int on); + + /* + * (*powerHint) is called to pass hints on power requirements, which + * may result in adjustment of power/performance parameters of the + * cpufreq governor and other controls. The possible hints are: + * + * POWER_HINT_VSYNC + * + * Foreground app has started or stopped requesting a VSYNC pulse + * from SurfaceFlinger. If the app has started requesting VSYNC + * then CPU and GPU load is expected soon, and it may be appropriate + * to raise speeds of CPU, memory bus, etc. The data parameter is + * non-zero to indicate VSYNC pulse is now requested, or zero for + * VSYNC pulse no longer requested. + * + * POWER_HINT_INTERACTION + * + * User is interacting with the device, for example, touchscreen + * events are incoming. CPU and GPU load may be expected soon, + * and it may be appropriate to raise speeds of CPU, memory bus, + * etc. The data parameter is unused. + * + * POWER_HINT_VIDEO_ENCODE + * + * The user just started or stopped recording video. When encode + * begins, large writes to the SD card will be done and this may + * cause CPU frequency to increase. The data parameter is a string + * with semicolon-separated 'key:value' pairs. The most common key is + * 'state', which takes 0 or 1 as its value. For instance, To + * indicate that recording is beginning, the string "state:1" would + * need to be used. More keys can be provided depending on the data + * that is to be passed. + * + * POWER_HINT_CPU_BOOST + * + * An operation is happening where it would be ideal for the CPU to + * be boosted for a specific duration. The data parameter is an + * integer value of the boost duration in microseconds. + * + * A particular platform may choose to ignore any hint. + * + * availability: version 0.2 + * + */ + void (*powerHint)(struct power_module *module, power_hint_t hint, + void *data); +} power_module_t; + + +__END_DECLS + +#endif // ANDROID_INCLUDE_HARDWARE_POWER_H diff --git a/hardware/qemu_pipe.h b/hardware/qemu_pipe.h new file mode 100644 index 0000000..1a67022 --- /dev/null +++ b/hardware/qemu_pipe.h @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef ANDROID_INCLUDE_HARDWARE_QEMU_PIPE_H +#define ANDROID_INCLUDE_HARDWARE_QEMU_PIPE_H + +#include +#include +#include +#include +#include /* for pthread_once() */ +#include +#include +#include + +#ifndef D +# define D(...) do{}while(0) +#endif + +/* Try to open a new Qemu fast-pipe. This function returns a file descriptor + * that can be used to communicate with a named service managed by the + * emulator. + * + * This file descriptor can be used as a standard pipe/socket descriptor. + * + * 'pipeName' is the name of the emulator service you want to connect to. + * E.g. 'opengles' or 'camera'. + * + * On success, return a valid file descriptor + * Returns -1 on error, and errno gives the error code, e.g.: + * + * EINVAL -> unknown/unsupported pipeName + * ENOSYS -> fast pipes not available in this system. + * + * ENOSYS should never happen, except if you're trying to run within a + * misconfigured emulator. + * + * You should be able to open several pipes to the same pipe service, + * except for a few special cases (e.g. GSM modem), where EBUSY will be + * returned if more than one client tries to connect to it. + */ +static __inline__ int +qemu_pipe_open(const char* pipeName) +{ + char buff[256]; + int buffLen; + int fd, ret; + + if (pipeName == NULL || pipeName[0] == '\0') { + errno = EINVAL; + return -1; + } + + snprintf(buff, sizeof buff, "pipe:%s", pipeName); + + fd = open("/dev/qemu_pipe", O_RDWR); + if (fd < 0) { + D("%s: Could not open /dev/qemu_pipe: %s", __FUNCTION__, strerror(errno)); + //errno = ENOSYS; + return -1; + } + + buffLen = strlen(buff); + + ret = TEMP_FAILURE_RETRY(write(fd, buff, buffLen+1)); + if (ret != buffLen+1) { + D("%s: Could not connect to %s pipe service: %s", __FUNCTION__, pipeName, strerror(errno)); + if (ret == 0) { + errno = ECONNRESET; + } else if (ret > 0) { + errno = EINVAL; + } + return -1; + } + + return fd; +} + +#endif /* ANDROID_INCLUDE_HARDWARE_QEMUD_PIPE_H */ diff --git a/hardware/qemud.h b/hardware/qemud.h new file mode 100644 index 0000000..5c39f9c --- /dev/null +++ b/hardware/qemud.h @@ -0,0 +1,153 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_QEMUD_H +#define ANDROID_INCLUDE_HARDWARE_QEMUD_H + +#include +#include "qemu_pipe.h" + +/* the following is helper code that is used by the QEMU-specific + * hardware HAL modules to communicate with the emulator program + * through the 'qemud' multiplexing daemon, or through the qemud + * pipe. + * + * see the documentation comments for details in + * development/emulator/qemud/qemud.c + * + * all definitions here are built into the HAL module to avoid + * having to write a tiny shared library for this. + */ + +/* we expect the D macro to be defined to a function macro + * that sends its formatted string argument(s) to the log. + * If not, ignore the traces. + */ +#ifndef D +# define D(...) ((void)0) +#endif + +static __inline__ int +qemud_fd_write(int fd, const void* buff, int len) +{ + int len2; + do { + len2 = write(fd, buff, len); + } while (len2 < 0 && errno == EINTR); + return len2; +} + +static __inline__ int +qemud_fd_read(int fd, void* buff, int len) +{ + int len2; + do { + len2 = read(fd, buff, len); + } while (len2 < 0 && errno == EINTR); + return len2; +} + +static __inline__ int +qemud_channel_open(const char* name) +{ + int fd; + int namelen = strlen(name); + char answer[2]; + char pipe_name[256]; + + /* First, try to connect to the pipe. */ + snprintf(pipe_name, sizeof(pipe_name), "qemud:%s", name); + fd = qemu_pipe_open(pipe_name); + if (fd < 0) { + D("QEMUD pipe is not available for %s: %s", name, strerror(errno)); + /* If pipe is not available, connect to qemud control socket */ + fd = socket_local_client( "qemud", + ANDROID_SOCKET_NAMESPACE_RESERVED, + SOCK_STREAM ); + if (fd < 0) { + D("no qemud control socket: %s", strerror(errno)); + return -1; + } + + /* send service name to connect */ + if (qemud_fd_write(fd, name, namelen) != namelen) { + D("can't send service name to qemud: %s", + strerror(errno)); + close(fd); + return -1; + } + + /* read answer from daemon */ + if (qemud_fd_read(fd, answer, 2) != 2 || + answer[0] != 'O' || answer[1] != 'K') { + D("cant' connect to %s service through qemud", name); + close(fd); + return -1; + } + } + return fd; +} + +static __inline__ int +qemud_channel_send(int fd, const void* msg, int msglen) +{ + char header[5]; + + if (msglen < 0) + msglen = strlen((const char*)msg); + + if (msglen == 0) + return 0; + + snprintf(header, sizeof header, "%04x", msglen); + if (qemud_fd_write(fd, header, 4) != 4) { + D("can't write qemud frame header: %s", strerror(errno)); + return -1; + } + + if (qemud_fd_write(fd, msg, msglen) != msglen) { + D("can4t write qemud frame payload: %s", strerror(errno)); + return -1; + } + return 0; +} + +static __inline__ int +qemud_channel_recv(int fd, void* msg, int msgsize) +{ + char header[5]; + int size, avail; + + if (qemud_fd_read(fd, header, 4) != 4) { + D("can't read qemud frame header: %s", strerror(errno)); + return -1; + } + header[4] = 0; + if (sscanf(header, "%04x", &size) != 1) { + D("malformed qemud frame header: '%.*s'", 4, header); + return -1; + } + if (size > msgsize) + return -1; + + if (qemud_fd_read(fd, msg, size) != size) { + D("can't read qemud frame payload: %s", strerror(errno)); + return -1; + } + return size; +} + +#endif /* ANDROID_INCLUDE_HARDWARE_QEMUD_H */ diff --git a/hardware/sensors.h b/hardware/sensors.h new file mode 100644 index 0000000..af6bced --- /dev/null +++ b/hardware/sensors.h @@ -0,0 +1,485 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SENSORS_INTERFACE_H +#define ANDROID_SENSORS_INTERFACE_H + +#include +#include +#include + +#include +#include + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define SENSORS_HARDWARE_MODULE_ID "sensors" + +/** + * Name of the sensors device to open + */ +#define SENSORS_HARDWARE_POLL "poll" + +/** + * Handles must be higher than SENSORS_HANDLE_BASE and must be unique. + * A Handle identifies a given sensors. The handle is used to activate + * and/or deactivate sensors. + * In this version of the API there can only be 256 handles. + */ +#define SENSORS_HANDLE_BASE 0 +#define SENSORS_HANDLE_BITS 8 +#define SENSORS_HANDLE_COUNT (1<0 + * ^ + * | + * +-----------+--> y>0 + * | | + * | | + * | | + * | | / z<0 + * | | / + * | | / + * O-----------+/ + * |[] [ ] []/ + * +----------/+ y<0 + * / + * / + * |/ z>0 (toward the sky) + * + * O: Origin (x=0,y=0,z=0) + * + * + * SENSOR_TYPE_ORIENTATION + * ----------------------- + * + * All values are angles in degrees. + * + * Orientation sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * + * azimuth: angle between the magnetic north direction and the Y axis, around + * the Z axis (0<=azimuth<360). + * 0=North, 90=East, 180=South, 270=West + * + * pitch: Rotation around X axis (-180<=pitch<=180), with positive values when + * the z-axis moves toward the y-axis. + * + * roll: Rotation around Y axis (-90<=roll<=90), with positive values when + * the x-axis moves towards the z-axis. + * + * Note: For historical reasons the roll angle is positive in the clockwise + * direction (mathematically speaking, it should be positive in the + * counter-clockwise direction): + * + * Z + * ^ + * (+roll) .--> | + * / | + * | | roll: rotation around Y axis + * X <-------(.) + * Y + * note that +Y == -roll + * + * + * + * Note: This definition is different from yaw, pitch and roll used in aviation + * where the X axis is along the long side of the plane (tail to nose). + * + * + * SENSOR_TYPE_ACCELEROMETER + * ------------------------- + * + * All values are in SI units (m/s^2) and measure the acceleration of the + * device minus the force of gravity. + * + * Acceleration sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * + * x: Acceleration minus Gx on the x-axis + * y: Acceleration minus Gy on the y-axis + * z: Acceleration minus Gz on the z-axis + * + * Examples: + * When the device lies flat on a table and is pushed on its left side + * toward the right, the x acceleration value is positive. + * + * When the device lies flat on a table, the acceleration value is +9.81, + * which correspond to the acceleration of the device (0 m/s^2) minus the + * force of gravity (-9.81 m/s^2). + * + * When the device lies flat on a table and is pushed toward the sky, the + * acceleration value is greater than +9.81, which correspond to the + * acceleration of the device (+A m/s^2) minus the force of + * gravity (-9.81 m/s^2). + * + * + * SENSOR_TYPE_MAGNETIC_FIELD + * -------------------------- + * + * All values are in micro-Tesla (uT) and measure the ambient magnetic + * field in the X, Y and Z axis. + * + * Magnetic Field sensors return sensor events for all 3 axes at a constant + * rate defined by setDelay(). + * + * SENSOR_TYPE_GYROSCOPE + * --------------------- + * + * All values are in radians/second and measure the rate of rotation + * around the X, Y and Z axis. The coordinate system is the same as is + * used for the acceleration sensor. Rotation is positive in the + * counter-clockwise direction (right-hand rule). That is, an observer + * looking from some positive location on the x, y or z axis at a device + * positioned on the origin would report positive rotation if the device + * appeared to be rotating counter clockwise. Note that this is the + * standard mathematical definition of positive rotation and does not agree + * with the definition of roll given earlier. + * The range should at least be 17.45 rad/s (ie: ~1000 deg/s). + * + * SENSOR_TYPE_PROXIMITY + * ---------------------- + * + * The distance value is measured in centimeters. Note that some proximity + * sensors only support a binary "close" or "far" measurement. In this case, + * the sensor should report its maxRange value in the "far" state and a value + * less than maxRange in the "near" state. + * + * Proximity sensors report a value only when it changes and each time the + * sensor is enabled. + * + * SENSOR_TYPE_LIGHT + * ----------------- + * + * The light sensor value is returned in SI lux units. + * + * Light sensors report a value only when it changes and each time the + * sensor is enabled. + * + * SENSOR_TYPE_PRESSURE + * -------------------- + * + * The pressure sensor return the athmospheric pressure in hectopascal (hPa) + * + * Pressure sensors report events at a constant rate defined by setDelay(). + * + * SENSOR_TYPE_GRAVITY + * ------------------- + * + * A gravity output indicates the direction of and magnitude of gravity in + * the devices's coordinates. On Earth, the magnitude is 9.8 m/s^2. + * Units are m/s^2. The coordinate system is the same as is used for the + * acceleration sensor. When the device is at rest, the output of the + * gravity sensor should be identical to that of the accelerometer. + * + * SENSOR_TYPE_LINEAR_ACCELERATION + * -------------------------------- + * + * Indicates the linear acceleration of the device in device coordinates, + * not including gravity. + * This output is essentially Acceleration - Gravity. Units are m/s^2. + * The coordinate system is the same as is used for the acceleration sensor. + * + * + * SENSOR_TYPE_ROTATION_VECTOR + * --------------------------- + * + * A rotation vector represents the orientation of the device as a combination + * of an angle and an axis, in which the device has rotated through an angle + * theta around an axis . The three elements of the rotation vector + * are , such that the magnitude + * of the rotation vector is equal to sin(theta/2), and the direction of the + * rotation vector is equal to the direction of the axis of rotation. The three + * elements of the rotation vector are equal to the last three components of a + * unit quaternion . + * Elements of the rotation vector are unitless. The x, y, and z axis are defined + * in the same was as for the acceleration sensor. + * + * The reference coordinate system is defined as a direct orthonormal basis, + * where: + * + * - X is defined as the vector product Y.Z (It is tangential to + * the ground at the device's current location and roughly points East). + * + * - Y is tangential to the ground at the device's current location and + * points towards the magnetic North Pole. + * + * - Z points towards the sky and is perpendicular to the ground. + * + * + * The rotation-vector is stored as: + * + * sensors_event_t.data[0] = x*sin(theta/2) + * sensors_event_t.data[1] = y*sin(theta/2) + * sensors_event_t.data[2] = z*sin(theta/2) + * sensors_event_t.data[3] = cos(theta/2) + * + * + * SENSOR_TYPE_RELATIVE_HUMIDITY + * ------------------------------ + * + * A relative humidity sensor measures relative ambient air humidity and + * returns a value in percent. + * + * Relative humidity sensors report a value only when it changes and each + * time the sensor is enabled. + * + * + * SENSOR_TYPE_AMBIENT_TEMPERATURE + * ------------------------------- + * + * The ambient (room) temperature in degree Celsius. + * + * Temperature sensors report a value only when it changes and each time the + * sensor is enabled. + * + */ + +typedef struct { + union { + float v[3]; + struct { + float x; + float y; + float z; + }; + struct { + float azimuth; + float pitch; + float roll; + }; + }; + int8_t status; + uint8_t reserved[3]; +} sensors_vec_t; + +/** + * Union of the various types of sensor data + * that can be returned. + */ +typedef struct sensors_event_t { + /* must be sizeof(struct sensors_event_t) */ + int32_t version; + + /* sensor identifier */ + int32_t sensor; + + /* sensor type */ + int32_t type; + + /* reserved */ + int32_t reserved0; + + /* time is in nanosecond */ + int64_t timestamp; + + union { + float data[16]; + + /* acceleration values are in meter per second per second (m/s^2) */ + sensors_vec_t acceleration; + + /* magnetic vector values are in micro-Tesla (uT) */ + sensors_vec_t magnetic; + + /* orientation values are in degrees */ + sensors_vec_t orientation; + + /* gyroscope values are in rad/s */ + sensors_vec_t gyro; + + /* temperature is in degrees centigrade (Celsius) */ + float temperature; + + /* distance in centimeters */ + float distance; + + /* light in SI lux units */ + float light; + + /* pressure in hectopascal (hPa) */ + float pressure; + + /* relative humidity in percent */ + float relative_humidity; + }; + uint32_t reserved1[4]; +} sensors_event_t; + + + +struct sensor_t; + +/** + * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM + * and the fields of this data structure must begin with hw_module_t + * followed by module specific information. + */ +struct sensors_module_t { + struct hw_module_t common; + + /** + * Enumerate all available sensors. The list is returned in "list". + * @return number of sensors in the list + */ + int (*get_sensors_list)(struct sensors_module_t* module, + struct sensor_t const** list); +}; + +struct sensor_t { + /* name of this sensors */ + const char* name; + /* vendor of the hardware part */ + const char* vendor; + /* version of the hardware part + driver. The value of this field + * must increase when the driver is updated in a way that changes the + * output of this sensor. This is important for fused sensors when the + * fusion algorithm is updated. + */ + int version; + /* handle that identifies this sensors. This handle is used to activate + * and deactivate this sensor. The value of the handle must be 8 bits + * in this version of the API. + */ + int handle; + /* this sensor's type. */ + int type; + /* maximaum range of this sensor's value in SI units */ + float maxRange; + /* smallest difference between two values reported by this sensor */ + float resolution; + /* rough estimate of this sensor's power consumption in mA */ + float power; + /* minimum delay allowed between events in microseconds. A value of zero + * means that this sensor doesn't report events at a constant rate, but + * rather only when a new data is available */ + int32_t minDelay; + /* reserved fields, must be zero */ + void* reserved[8]; +}; + + +/** + * Every device data structure must begin with hw_device_t + * followed by module specific public methods and attributes. + */ +struct sensors_poll_device_t { + struct hw_device_t common; + + /** Activate/deactivate one sensor. + * + * @param handle is the handle of the sensor to change. + * @param enabled set to 1 to enable, or 0 to disable the sensor. + * + * @return 0 on success, negative errno code otherwise + */ + int (*activate)(struct sensors_poll_device_t *dev, + int handle, int enabled); + + /** + * Set the delay between sensor events in nanoseconds for a given sensor. + * + * If the requested value is less than sensor_t::minDelay, then it's + * silently clamped to sensor_t::minDelay unless sensor_t::minDelay is + * 0, in which case it is clamped to >= 1ms. + * + * @return 0 if successful, < 0 on error + */ + int (*setDelay)(struct sensors_poll_device_t *dev, + int handle, int64_t ns); + + /** + * Returns an array of sensor data. + * This function must block until events are available. + * + * @return the number of events read on success, or -errno in case of an error. + * This function should never return 0 (no event). + * + */ + int (*poll)(struct sensors_poll_device_t *dev, + sensors_event_t* data, int count); +}; + +/** convenience API for opening and closing a device */ + +static inline int sensors_open(const struct hw_module_t* module, + struct sensors_poll_device_t** device) { + return module->methods->open(module, + SENSORS_HARDWARE_POLL, (struct hw_device_t**)device); +} + +static inline int sensors_close(struct sensors_poll_device_t* device) { + return device->common.close(&device->common); +} + +__END_DECLS + +#endif // ANDROID_SENSORS_INTERFACE_H diff --git a/hardware_legacy/audio_policy_conf.h b/hardware_legacy/audio_policy_conf.h new file mode 100644 index 0000000..fa58c36 --- /dev/null +++ b/hardware_legacy/audio_policy_conf.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_POLICY_CONF_H +#define ANDROID_AUDIO_POLICY_CONF_H + + +///////////////////////////////////////////////// +// Definitions for audio policy configuration file (audio_policy.conf) +///////////////////////////////////////////////// + +#define AUDIO_HARDWARE_MODULE_ID_MAX_LEN 32 + +#define AUDIO_POLICY_CONFIG_FILE "/system/etc/audio_policy.conf" +#define AUDIO_POLICY_VENDOR_CONFIG_FILE "/vendor/etc/audio_policy.conf" + +// global configuration +#define GLOBAL_CONFIG_TAG "global_configuration" + +#define ATTACHED_OUTPUT_DEVICES_TAG "attached_output_devices" +#define DEFAULT_OUTPUT_DEVICE_TAG "default_output_device" +#define ATTACHED_INPUT_DEVICES_TAG "attached_input_devices" + +// hw modules descriptions +#define AUDIO_HW_MODULE_TAG "audio_hw_modules" + +#define OUTPUTS_TAG "outputs" +#define INPUTS_TAG "inputs" + +#define SAMPLING_RATES_TAG "sampling_rates" +#define FORMATS_TAG "formats" +#define CHANNELS_TAG "channel_masks" +#define DEVICES_TAG "devices" +#define FLAGS_TAG "flags" + +#define DYNAMIC_VALUE_TAG "dynamic" // special value for "channel_masks", "sampling_rates" and + // "formats" in outputs descriptors indicating that supported + // values should be queried after opening the output. + +#endif // ANDROID_AUDIO_POLICY_CONF_H diff --git a/linux/sw_sync.h b/linux/sw_sync.h new file mode 100644 index 0000000..bd6f208 --- /dev/null +++ b/linux/sw_sync.h @@ -0,0 +1,58 @@ +/* + * include/linux/sw_sync.h + * + * Copyright (C) 2012 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_SW_SYNC_H +#define _LINUX_SW_SYNC_H + +#include + +#ifdef __KERNEL__ + +#include + +struct sw_sync_timeline { + struct sync_timeline obj; + + u32 value; +}; + +struct sw_sync_pt { + struct sync_pt pt; + + u32 value; +}; + +struct sw_sync_timeline *sw_sync_timeline_create(const char *name); +void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc); + +struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value); + +#endif /* __KERNEL __ */ + +struct sw_sync_create_fence_data { + __u32 value; + char name[32]; + __s32 fence; /* fd of new fence */ +}; + +#define SW_SYNC_IOC_MAGIC 'W' + +#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\ + struct sw_sync_create_fence_data) +#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) + + +#endif /* _LINUX_SW_SYNC_H */ diff --git a/linux/sync.h b/linux/sync.h new file mode 100644 index 0000000..31ba6ec --- /dev/null +++ b/linux/sync.h @@ -0,0 +1,427 @@ +/* + * include/linux/sync.h + * + * Copyright (C) 2012 Google, Inc. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_SYNC_H +#define _LINUX_SYNC_H + +#include +#ifdef __KERNEL__ + +#include +#include +#include +#include +#include + +struct sync_timeline; +struct sync_pt; +struct sync_fence; +struct seq_file; + +/** + * struct sync_timeline_ops - sync object implementation ops + * @driver_name: name of the implentation + * @dup: duplicate a sync_pt + * @has_signaled: returns: + * 1 if pt has signaled + * 0 if pt has not signaled + * <0 on error + * @compare: returns: + * 1 if b will signal before a + * 0 if a and b will signal at the same time + * -1 if a will signabl before b + * @free_pt: called before sync_pt is freed + * @release_obj: called before sync_timeline is freed + * @print_obj: deprecated + * @print_pt: deprecated + * @fill_driver_data: write implmentation specific driver data to data. + * should return an error if there is not enough room + * as specified by size. This information is returned + * to userspace by SYNC_IOC_FENCE_INFO. + * @timeline_value_str: fill str with the value of the sync_timeline's counter + * @pt_value_str: fill str with the value of the sync_pt + */ +struct sync_timeline_ops { + const char *driver_name; + + /* required */ + struct sync_pt *(*dup)(struct sync_pt *pt); + + /* required */ + int (*has_signaled)(struct sync_pt *pt); + + /* required */ + int (*compare)(struct sync_pt *a, struct sync_pt *b); + + /* optional */ + void (*free_pt)(struct sync_pt *sync_pt); + + /* optional */ + void (*release_obj)(struct sync_timeline *sync_timeline); + + /* deprecated */ + void (*print_obj)(struct seq_file *s, + struct sync_timeline *sync_timeline); + + /* deprecated */ + void (*print_pt)(struct seq_file *s, struct sync_pt *sync_pt); + + /* optional */ + int (*fill_driver_data)(struct sync_pt *syncpt, void *data, int size); + + /* optional */ + void (*timeline_value_str)(struct sync_timeline *timeline, char *str, + int size); + + /* optional */ + void (*pt_value_str)(struct sync_pt *pt, char *str, int size); +}; + +/** + * struct sync_timeline - sync object + * @kref: reference count on fence. + * @ops: ops that define the implementaiton of the sync_timeline + * @name: name of the sync_timeline. Useful for debugging + * @destoryed: set when sync_timeline is destroyed + * @child_list_head: list of children sync_pts for this sync_timeline + * @child_list_lock: lock protecting @child_list_head, destroyed, and + * sync_pt.status + * @active_list_head: list of active (unsignaled/errored) sync_pts + * @sync_timeline_list: membership in global sync_timeline_list + */ +struct sync_timeline { + struct kref kref; + const struct sync_timeline_ops *ops; + char name[32]; + + /* protected by child_list_lock */ + bool destroyed; + + struct list_head child_list_head; + spinlock_t child_list_lock; + + struct list_head active_list_head; + spinlock_t active_list_lock; + + struct list_head sync_timeline_list; +}; + +/** + * struct sync_pt - sync point + * @parent: sync_timeline to which this sync_pt belongs + * @child_list: membership in sync_timeline.child_list_head + * @active_list: membership in sync_timeline.active_list_head + * @signaled_list: membership in temorary signaled_list on stack + * @fence: sync_fence to which the sync_pt belongs + * @pt_list: membership in sync_fence.pt_list_head + * @status: 1: signaled, 0:active, <0: error + * @timestamp: time which sync_pt status transitioned from active to + * singaled or error. + */ +struct sync_pt { + struct sync_timeline *parent; + struct list_head child_list; + + struct list_head active_list; + struct list_head signaled_list; + + struct sync_fence *fence; + struct list_head pt_list; + + /* protected by parent->active_list_lock */ + int status; + + ktime_t timestamp; +}; + +/** + * struct sync_fence - sync fence + * @file: file representing this fence + * @kref: referenace count on fence. + * @name: name of sync_fence. Useful for debugging + * @pt_list_head: list of sync_pts in ths fence. immutable once fence + * is created + * @waiter_list_head: list of asynchronous waiters on this fence + * @waiter_list_lock: lock protecting @waiter_list_head and @status + * @status: 1: signaled, 0:active, <0: error + * + * @wq: wait queue for fence signaling + * @sync_fence_list: membership in global fence list + */ +struct sync_fence { + struct file *file; + struct kref kref; + char name[32]; + + /* this list is immutable once the fence is created */ + struct list_head pt_list_head; + + struct list_head waiter_list_head; + spinlock_t waiter_list_lock; /* also protects status */ + int status; + + wait_queue_head_t wq; + + struct list_head sync_fence_list; +}; + +struct sync_fence_waiter; +typedef void (*sync_callback_t)(struct sync_fence *fence, + struct sync_fence_waiter *waiter); + +/** + * struct sync_fence_waiter - metadata for asynchronous waiter on a fence + * @waiter_list: membership in sync_fence.waiter_list_head + * @callback: function pointer to call when fence signals + * @callback_data: pointer to pass to @callback + */ +struct sync_fence_waiter { + struct list_head waiter_list; + + sync_callback_t callback; +}; + +static inline void sync_fence_waiter_init(struct sync_fence_waiter *waiter, + sync_callback_t callback) +{ + waiter->callback = callback; +} + +/* + * API for sync_timeline implementers + */ + +/** + * sync_timeline_create() - creates a sync object + * @ops: specifies the implemention ops for the object + * @size: size to allocate for this obj + * @name: sync_timeline name + * + * Creates a new sync_timeline which will use the implemetation specified by + * @ops. @size bytes will be allocated allowing for implemntation specific + * data to be kept after the generic sync_timeline stuct. + */ +struct sync_timeline *sync_timeline_create(const struct sync_timeline_ops *ops, + int size, const char *name); + +/** + * sync_timeline_destory() - destorys a sync object + * @obj: sync_timeline to destroy + * + * A sync implemntation should call this when the @obj is going away + * (i.e. module unload.) @obj won't actually be freed until all its childern + * sync_pts are freed. + */ +void sync_timeline_destroy(struct sync_timeline *obj); + +/** + * sync_timeline_signal() - signal a status change on a sync_timeline + * @obj: sync_timeline to signal + * + * A sync implemntation should call this any time one of it's sync_pts + * has signaled or has an error condition. + */ +void sync_timeline_signal(struct sync_timeline *obj); + +/** + * sync_pt_create() - creates a sync pt + * @parent: sync_pt's parent sync_timeline + * @size: size to allocate for this pt + * + * Creates a new sync_pt as a chiled of @parent. @size bytes will be + * allocated allowing for implemntation specific data to be kept after + * the generic sync_timeline struct. + */ +struct sync_pt *sync_pt_create(struct sync_timeline *parent, int size); + +/** + * sync_pt_free() - frees a sync pt + * @pt: sync_pt to free + * + * This should only be called on sync_pts which have been created but + * not added to a fence. + */ +void sync_pt_free(struct sync_pt *pt); + +/** + * sync_fence_create() - creates a sync fence + * @name: name of fence to create + * @pt: sync_pt to add to the fence + * + * Creates a fence containg @pt. Once this is called, the fence takes + * ownership of @pt. + */ +struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt); + +/* + * API for sync_fence consumers + */ + +/** + * sync_fence_merge() - merge two fences + * @name: name of new fence + * @a: fence a + * @b: fence b + * + * Creates a new fence which contains copies of all the sync_pts in both + * @a and @b. @a and @b remain valid, independent fences. + */ +struct sync_fence *sync_fence_merge(const char *name, + struct sync_fence *a, struct sync_fence *b); + +/** + * sync_fence_fdget() - get a fence from an fd + * @fd: fd referencing a fence + * + * Ensures @fd references a valid fence, increments the refcount of the backing + * file, and returns the fence. + */ +struct sync_fence *sync_fence_fdget(int fd); + +/** + * sync_fence_put() - puts a refernnce of a sync fence + * @fence: fence to put + * + * Puts a reference on @fence. If this is the last reference, the fence and + * all it's sync_pts will be freed + */ +void sync_fence_put(struct sync_fence *fence); + +/** + * sync_fence_install() - installs a fence into a file descriptor + * @fence: fence to instal + * @fd: file descriptor in which to install the fence + * + * Installs @fence into @fd. @fd's should be acquired through get_unused_fd(). + */ +void sync_fence_install(struct sync_fence *fence, int fd); + +/** + * sync_fence_wait_async() - registers and async wait on the fence + * @fence: fence to wait on + * @waiter: waiter callback struck + * + * Returns 1 if @fence has already signaled. + * + * Registers a callback to be called when @fence signals or has an error. + * @waiter should be initialized with sync_fence_waiter_init(). + */ +int sync_fence_wait_async(struct sync_fence *fence, + struct sync_fence_waiter *waiter); + +/** + * sync_fence_cancel_async() - cancels an async wait + * @fence: fence to wait on + * @waiter: waiter callback struck + * + * returns 0 if waiter was removed from fence's async waiter list. + * returns -ENOENT if waiter was not found on fence's async waiter list. + * + * Cancels a previously registered async wait. Will fail gracefully if + * @waiter was never registered or if @fence has already signaled @waiter. + */ +int sync_fence_cancel_async(struct sync_fence *fence, + struct sync_fence_waiter *waiter); + +/** + * sync_fence_wait() - wait on fence + * @fence: fence to wait on + * @tiemout: timeout in ms + * + * Wait for @fence to be signaled or have an error. Waits indefinitely + * if @timeout < 0 + */ +int sync_fence_wait(struct sync_fence *fence, long timeout); + +#endif /* __KERNEL__ */ + +/** + * struct sync_merge_data - data passed to merge ioctl + * @fd2: file descriptor of second fence + * @name: name of new fence + * @fence: returns the fd of the new fence to userspace + */ +struct sync_merge_data { + __s32 fd2; /* fd of second fence */ + char name[32]; /* name of new fence */ + __s32 fence; /* fd on newly created fence */ +}; + +/** + * struct sync_pt_info - detailed sync_pt information + * @len: length of sync_pt_info including any driver_data + * @obj_name: name of parent sync_timeline + * @driver_name: name of driver implmenting the parent + * @status: status of the sync_pt 0:active 1:signaled <0:error + * @timestamp_ns: timestamp of status change in nanoseconds + * @driver_data: any driver dependant data + */ +struct sync_pt_info { + __u32 len; + char obj_name[32]; + char driver_name[32]; + __s32 status; + __u64 timestamp_ns; + + __u8 driver_data[0]; +}; + +/** + * struct sync_fence_info_data - data returned from fence info ioctl + * @len: ioctl caller writes the size of the buffer its passing in. + * ioctl returns length of sync_fence_data reutnred to userspace + * including pt_info. + * @name: name of fence + * @status: status of fence. 1: signaled 0:active <0:error + * @pt_info: a sync_pt_info struct for every sync_pt in the fence + */ +struct sync_fence_info_data { + __u32 len; + char name[32]; + __s32 status; + + __u8 pt_info[0]; +}; + +#define SYNC_IOC_MAGIC '>' + +/** + * DOC: SYNC_IOC_WAIT - wait for a fence to signal + * + * pass timeout in milliseconds. Waits indefinitely timeout < 0. + */ +#define SYNC_IOC_WAIT _IOW(SYNC_IOC_MAGIC, 0, __s32) + +/** + * DOC: SYNC_IOC_MERGE - merge two fences + * + * Takes a struct sync_merge_data. Creates a new fence containing copies of + * the sync_pts in both the calling fd and sync_merge_data.fd2. Returns the + * new fence's fd in sync_merge_data.fence + */ +#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 1, struct sync_merge_data) + +/** + * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence + * + * Takes a struct sync_fence_info_data with extra space allocated for pt_info. + * Caller should write the size of the buffer into len. On return, len is + * updated to reflect the total size of the sync_fence_info_data including + * pt_info. + * + * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence. + * To itterate over the sync_pt_infos, use the sync_pt_info.len field. + */ +#define SYNC_IOC_FENCE_INFO _IOWR(SYNC_IOC_MAGIC, 2,\ + struct sync_fence_info_data) + +#endif /* _LINUX_SYNC_H */ diff --git a/private/android_filesystem_config.h b/private/android_filesystem_config.h new file mode 100644 index 0000000..ac43c16 --- /dev/null +++ b/private/android_filesystem_config.h @@ -0,0 +1,302 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* This file is used to define the properties of the filesystem +** images generated by build tools (mkbootfs and mkyaffs2image) and +** by the device side of adb. +*/ + +#ifndef _ANDROID_FILESYSTEM_CONFIG_H_ +#define _ANDROID_FILESYSTEM_CONFIG_H_ + +#include +#include +#include + +/* This is the master Users and Groups config for the platform. +** DO NOT EVER RENUMBER. +*/ + +#define AID_ROOT 0 /* traditional unix root user */ + +#define AID_SYSTEM 1000 /* system server */ + +#define AID_RADIO 1001 /* telephony subsystem, RIL */ +#define AID_BLUETOOTH 1002 /* bluetooth subsystem */ +#define AID_GRAPHICS 1003 /* graphics devices */ +#define AID_INPUT 1004 /* input devices */ +#define AID_AUDIO 1005 /* audio devices */ +#define AID_CAMERA 1006 /* camera devices */ +#define AID_LOG 1007 /* log devices */ +#define AID_COMPASS 1008 /* compass device */ +#define AID_MOUNT 1009 /* mountd socket */ +#define AID_WIFI 1010 /* wifi subsystem */ +#define AID_ADB 1011 /* android debug bridge (adbd) */ +#define AID_INSTALL 1012 /* group for installing packages */ +#define AID_MEDIA 1013 /* mediaserver process */ +#define AID_DHCP 1014 /* dhcp client */ +#define AID_SDCARD_RW 1015 /* external storage write access */ +#define AID_VPN 1016 /* vpn system */ +#define AID_KEYSTORE 1017 /* keystore subsystem */ +#define AID_USB 1018 /* USB devices */ +#define AID_DRM 1019 /* DRM server */ +#define AID_MDNSR 1020 /* MulticastDNSResponder (service discovery) */ +#define AID_GPS 1021 /* GPS daemon */ +#define AID_UNUSED1 1022 /* deprecated, DO NOT USE */ +#define AID_MEDIA_RW 1023 /* internal media storage write access */ +#define AID_MTP 1024 /* MTP USB driver access */ +#define AID_UNUSED2 1025 /* deprecated, DO NOT USE */ +#define AID_DRMRPC 1026 /* group for drm rpc */ +#define AID_NFC 1027 /* nfc subsystem */ +#define AID_SDCARD_R 1028 /* external storage read access */ + +#define AID_SHELL 2000 /* adb and debug shell user */ +#define AID_CACHE 2001 /* cache access */ +#define AID_DIAG 2002 /* access to diagnostic resources */ + +/* The 3000 series are intended for use as supplemental group id's only. + * They indicate special Android capabilities that the kernel is aware of. */ +#define AID_NET_BT_ADMIN 3001 /* bluetooth: create any socket */ +#define AID_NET_BT 3002 /* bluetooth: create sco, rfcomm or l2cap sockets */ +#define AID_INET 3003 /* can create AF_INET and AF_INET6 sockets */ +#define AID_NET_RAW 3004 /* can create raw INET sockets */ +#define AID_NET_ADMIN 3005 /* can configure interfaces and routing tables. */ +#define AID_NET_BW_STATS 3006 /* read bandwidth statistics */ +#define AID_NET_BW_ACCT 3007 /* change bandwidth statistics accounting */ +#define AID_NET_BT_STACK 3008 /* bluetooth: access config files */ +#define AID_QCOM_ONCRPC 3009 /* can read/write /dev/oncrpc files */ +#define AID_QCOM_DIAG 3010 /* can read/write /dev/diag */ + +#if defined(MOTOROLA_UIDS) +#define AID_MOT_OSH 5000 /* OSH */ +#define AID_MOT_ACCY 9000 /* access to accessory */ +#define AID_MOT_PWRIC 9001 /* power IC */ +#define AID_MOT_USB 9002 /* mot usb */ +#define AID_MOT_DRM 9003 /* can access DRM resource. */ +#define AID_MOT_TCMD 9004 /* mot_tcmd */ +#define AID_MOT_SEC_RTC 9005 /* mot cpcap rtc */ +#define AID_MOT_TOMBSTONE 9006 +#define AID_MOT_TPAPI 9007 /* mot_tpapi */ +#define AID_MOT_SECCLKD 9008 /* mot_secclkd */ +#define AID_MOT_WHISPER 9009 /* Whisper Protocol access */ +#define AID_MOT_CAIF 9010 /* can create CAIF sockets */ +#define AID_MOT_DLNA 9011 /* DLNA native */ +#endif // MOTOROLA_UIDS + +#define AID_MISC 9998 /* access to misc storage */ +#define AID_NOBODY 9999 + +#define AID_APP 10000 /* first app user */ + +#define AID_ISOLATED_START 99000 /* start of uids for fully isolated sandboxed processes */ +#define AID_ISOLATED_END 99999 /* end of uids for fully isolated sandboxed processes */ + +#define AID_USER 100000 /* offset for uid ranges for each user */ + +#define AID_SHARED_GID_START 50000 /* start of gids for apps in each user to share */ +#define AID_SHARED_GID_END 59999 /* start of gids for apps in each user to share */ + +#if !defined(EXCLUDE_FS_CONFIG_STRUCTURES) +struct android_id_info { + const char *name; + unsigned aid; +}; + +static const struct android_id_info android_ids[] = { + { "root", AID_ROOT, }, + { "system", AID_SYSTEM, }, + { "radio", AID_RADIO, }, + { "bluetooth", AID_BLUETOOTH, }, + { "graphics", AID_GRAPHICS, }, + { "input", AID_INPUT, }, + { "audio", AID_AUDIO, }, + { "camera", AID_CAMERA, }, + { "log", AID_LOG, }, + { "compass", AID_COMPASS, }, + { "mount", AID_MOUNT, }, + { "wifi", AID_WIFI, }, + { "dhcp", AID_DHCP, }, + { "adb", AID_ADB, }, + { "install", AID_INSTALL, }, + { "media", AID_MEDIA, }, + { "drm", AID_DRM, }, + { "mdnsr", AID_MDNSR, }, + { "nfc", AID_NFC, }, + { "drmrpc", AID_DRMRPC, }, + { "shell", AID_SHELL, }, + { "cache", AID_CACHE, }, + { "diag", AID_DIAG, }, + { "net_bt_admin", AID_NET_BT_ADMIN, }, + { "net_bt", AID_NET_BT, }, + { "net_bt_stack", AID_NET_BT_STACK, }, + { "sdcard_r", AID_SDCARD_R, }, + { "sdcard_rw", AID_SDCARD_RW, }, + { "media_rw", AID_MEDIA_RW, }, + { "vpn", AID_VPN, }, + { "keystore", AID_KEYSTORE, }, + { "usb", AID_USB, }, + { "mtp", AID_MTP, }, + { "gps", AID_GPS, }, + { "inet", AID_INET, }, + { "net_raw", AID_NET_RAW, }, + { "net_admin", AID_NET_ADMIN, }, + { "net_bw_stats", AID_NET_BW_STATS, }, + { "net_bw_acct", AID_NET_BW_ACCT, }, + { "qcom_oncrpc", AID_QCOM_ONCRPC, }, + { "qcom_diag", AID_QCOM_DIAG, }, +#if defined(MOTOROLA_UIDS) + { "mot_osh", AID_MOT_OSH, }, + { "mot_accy", AID_MOT_ACCY, }, + { "mot_pwric", AID_MOT_PWRIC, }, + { "mot_usb", AID_MOT_USB, }, + { "mot_drm", AID_MOT_DRM, }, + { "mot_tcmd", AID_MOT_TCMD, }, + { "mot_sec_rtc", AID_MOT_SEC_RTC, }, + { "mot_tombstone", AID_MOT_TOMBSTONE, }, + { "mot_tpapi", AID_MOT_TPAPI, }, + { "mot_secclkd", AID_MOT_SECCLKD, }, + { "mot_whisper", AID_MOT_WHISPER, }, + { "mot_caif", AID_MOT_CAIF, }, + { "mot_dlna", AID_MOT_DLNA, }, +#endif + { "misc", AID_MISC, }, + { "nobody", AID_NOBODY, }, +}; + +#define android_id_count \ + (sizeof(android_ids) / sizeof(android_ids[0])) + +struct fs_path_config { + unsigned mode; + unsigned uid; + unsigned gid; + const char *prefix; +}; + +/* Rules for directories. +** These rules are applied based on "first match", so they +** should start with the most specific path and work their +** way up to the root. +*/ + +static struct fs_path_config android_dirs[] = { + { 00770, AID_SYSTEM, AID_CACHE, "cache" }, + { 00771, AID_SYSTEM, AID_SYSTEM, "data/app" }, + { 00771, AID_SYSTEM, AID_SYSTEM, "data/app-private" }, + { 00771, AID_SYSTEM, AID_SYSTEM, "data/dalvik-cache" }, + { 00771, AID_SYSTEM, AID_SYSTEM, "data/data" }, + { 00771, AID_SHELL, AID_SHELL, "data/local/tmp" }, + { 00771, AID_SHELL, AID_SHELL, "data/local" }, + { 01771, AID_SYSTEM, AID_MISC, "data/misc" }, + { 00770, AID_DHCP, AID_DHCP, "data/misc/dhcp" }, + { 00775, AID_MEDIA_RW, AID_MEDIA_RW, "data/media" }, + { 00775, AID_MEDIA_RW, AID_MEDIA_RW, "data/media/Music" }, + { 00771, AID_SYSTEM, AID_SYSTEM, "data" }, + { 00750, AID_ROOT, AID_SHELL, "sbin" }, + { 00755, AID_ROOT, AID_ROOT, "system/addon.d" }, + { 00755, AID_ROOT, AID_SHELL, "system/bin" }, + { 00755, AID_ROOT, AID_SHELL, "system/vendor" }, + { 00755, AID_ROOT, AID_SHELL, "system/xbin" }, + { 00755, AID_ROOT, AID_ROOT, "system/etc/ppp" }, + { 00777, AID_ROOT, AID_ROOT, "sdcard" }, + { 00755, AID_ROOT, AID_ROOT, 0 }, +}; + +/* Rules for files. +** These rules are applied based on "first match", so they +** should start with the most specific path and work their +** way up to the root. Prefixes ending in * denotes wildcard +** and will allow partial matches. +*/ +static struct fs_path_config android_files[] = { + { 00440, AID_ROOT, AID_SHELL, "system/etc/init.goldfish.rc" }, + { 00550, AID_ROOT, AID_SHELL, "system/etc/init.goldfish.sh" }, + { 00440, AID_ROOT, AID_SHELL, "system/etc/init.trout.rc" }, + { 00550, AID_ROOT, AID_SHELL, "system/etc/init.ril" }, + { 00550, AID_ROOT, AID_SHELL, "system/etc/init.testmenu" }, + { 00550, AID_DHCP, AID_SHELL, "system/etc/dhcpcd/dhcpcd-run-hooks" }, + { 00440, AID_BLUETOOTH, AID_BLUETOOTH, "system/etc/dbus.conf" }, + { 00444, AID_RADIO, AID_AUDIO, "system/etc/AudioPara4.csv" }, + { 00555, AID_ROOT, AID_ROOT, "system/etc/ppp/*" }, + { 00555, AID_ROOT, AID_ROOT, "system/etc/rc.*" }, + { 00755, AID_ROOT, AID_ROOT, "system/addon.d/*" }, + { 00644, AID_SYSTEM, AID_SYSTEM, "data/app/*" }, + { 00644, AID_MEDIA_RW, AID_MEDIA_RW, "data/media/*" }, + { 00644, AID_SYSTEM, AID_SYSTEM, "data/app-private/*" }, + { 00644, AID_APP, AID_APP, "data/data/*" }, + /* the following two files are INTENTIONALLY set-gid and not set-uid. + * Do not change. */ + { 02755, AID_ROOT, AID_NET_RAW, "system/bin/ping" }, + { 02750, AID_ROOT, AID_INET, "system/bin/netcfg" }, + /* the following five files are INTENTIONALLY set-uid, but they + * are NOT included on user builds. */ + { 06755, AID_ROOT, AID_ROOT, "system/xbin/su" }, + { 06755, AID_ROOT, AID_ROOT, "system/xbin/librank" }, + { 06755, AID_ROOT, AID_ROOT, "system/xbin/procrank" }, + { 06755, AID_ROOT, AID_ROOT, "system/xbin/procmem" }, + { 06755, AID_ROOT, AID_ROOT, "system/xbin/tcpdump" }, + { 04770, AID_ROOT, AID_RADIO, "system/bin/pppd-ril" }, + /* the following file is INTENTIONALLY set-uid, and IS included + * in user builds. */ + { 06750, AID_ROOT, AID_SHELL, "system/bin/run-as" }, + { 06750, AID_ROOT, AID_SYSTEM, "system/bin/rebootcmd" }, + { 00755, AID_ROOT, AID_SHELL, "system/bin/*" }, + { 00755, AID_ROOT, AID_ROOT, "system/lib/valgrind/*" }, + { 00755, AID_ROOT, AID_SHELL, "system/xbin/*" }, + { 00755, AID_ROOT, AID_SHELL, "system/vendor/bin/*" }, + { 00750, AID_ROOT, AID_SHELL, "sbin/*" }, + { 00755, AID_ROOT, AID_ROOT, "bin/*" }, + { 00750, AID_ROOT, AID_SHELL, "init*" }, + { 00750, AID_ROOT, AID_SHELL, "charger*" }, + { 00750, AID_ROOT, AID_SHELL, "sbin/fs_mgr" }, + { 00640, AID_ROOT, AID_SHELL, "fstab.*" }, + { 00755, AID_ROOT, AID_SHELL, "system/etc/init.d/*" }, + { 00644, AID_ROOT, AID_ROOT, 0 }, +}; + +static inline void fs_config(const char *path, int dir, + unsigned *uid, unsigned *gid, unsigned *mode) +{ + struct fs_path_config *pc; + int plen; + + pc = dir ? android_dirs : android_files; + plen = strlen(path); + for(; pc->prefix; pc++){ + int len = strlen(pc->prefix); + if (dir) { + if(plen < len) continue; + if(!strncmp(pc->prefix, path, len)) break; + continue; + } + /* If name ends in * then allow partial matches. */ + if (pc->prefix[len -1] == '*') { + if(!strncmp(pc->prefix, path, len - 1)) break; + } else if (plen == len){ + if(!strncmp(pc->prefix, path, len)) break; + } + } + *uid = pc->uid; + *gid = pc->gid; + *mode = (*mode & (~07777)) | pc->mode; + +#if 0 + fprintf(stderr,"< '%s' '%s' %d %d %o >\n", + path, pc->prefix ? pc->prefix : "", *uid, *gid, *mode); +#endif +} +#endif +#endif diff --git a/sync/sync.h b/sync/sync.h new file mode 100644 index 0000000..918acf6 --- /dev/null +++ b/sync/sync.h @@ -0,0 +1,62 @@ +/* + * sync.h + * + * Copyright 2012 Google, Inc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __SYS_CORE_SYNC_H +#define __SYS_CORE_SYNC_H + +#include +#include + +__BEGIN_DECLS + +// XXX: These structs are copied from the header "linux/sync.h". +struct sync_fence_info_data { + uint32_t len; + char name[32]; + int32_t status; + uint8_t pt_info[0]; +}; + +struct sync_pt_info { + uint32_t len; + char obj_name[32]; + char driver_name[32]; + int32_t status; + uint64_t timestamp_ns; + uint8_t driver_data[0]; +}; + +/* timeout in msecs */ +int sync_wait(int fd, int timeout); +int sync_merge(const char *name, int fd1, int fd2); +struct sync_fence_info_data *sync_fence_info(int fd); +struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, + struct sync_pt_info *itr); +void sync_fence_info_free(struct sync_fence_info_data *info); + +/* sw_sync is mainly inteded for testing and should not be complied into + * production kernels + */ + +int sw_sync_timeline_create(void); +int sw_sync_timeline_inc(int fd, unsigned count); +int sw_sync_fence_create(int fd, const char *name, unsigned value); + +__END_DECLS + +#endif /* __SYS_CORE_SYNC_H */ diff --git a/system/audio.h b/system/audio.h new file mode 100644 index 0000000..d246070 --- /dev/null +++ b/system/audio.h @@ -0,0 +1,557 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_CORE_H +#define ANDROID_AUDIO_CORE_H + +#include +#include +#include +#include + +#include + +__BEGIN_DECLS + +/* The enums were moved here mostly from + * frameworks/base/include/media/AudioSystem.h + */ + +typedef int audio_io_handle_t; + +/* Audio stream types */ +typedef enum { + AUDIO_STREAM_DEFAULT = -1, + AUDIO_STREAM_VOICE_CALL = 0, + AUDIO_STREAM_SYSTEM = 1, + AUDIO_STREAM_RING = 2, + AUDIO_STREAM_MUSIC = 3, + AUDIO_STREAM_ALARM = 4, + AUDIO_STREAM_NOTIFICATION = 5, + AUDIO_STREAM_BLUETOOTH_SCO = 6, + AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user and must be routed to speaker */ + AUDIO_STREAM_DTMF = 8, + AUDIO_STREAM_TTS = 9, + + AUDIO_STREAM_CNT, + AUDIO_STREAM_MAX = AUDIO_STREAM_CNT - 1, +} audio_stream_type_t; + +/* Do not change these values without updating their counterparts + * in media/java/android/media/MediaRecorder.java! + */ +typedef enum { + AUDIO_SOURCE_DEFAULT = 0, + AUDIO_SOURCE_MIC = 1, + AUDIO_SOURCE_VOICE_UPLINK = 2, + AUDIO_SOURCE_VOICE_DOWNLINK = 3, + AUDIO_SOURCE_VOICE_CALL = 4, + AUDIO_SOURCE_CAMCORDER = 5, + AUDIO_SOURCE_VOICE_RECOGNITION = 6, + AUDIO_SOURCE_VOICE_COMMUNICATION = 7, + AUDIO_SOURCE_REMOTE_SUBMIX = 8, /* Source for the mix to be presented remotely. */ + /* An example of remote presentation is Wifi Display */ + /* where a dongle attached to a TV can be used to */ + /* play the mix captured by this audio source. */ + AUDIO_SOURCE_CNT, + AUDIO_SOURCE_MAX = AUDIO_SOURCE_CNT - 1, +} audio_source_t; + +/* special audio session values + * (XXX: should this be living in the audio effects land?) + */ +typedef enum { + /* session for effects attached to a particular output stream + * (value must be less than 0) + */ + AUDIO_SESSION_OUTPUT_STAGE = -1, + + /* session for effects applied to output mix. These effects can + * be moved by audio policy manager to another output stream + * (value must be 0) + */ + AUDIO_SESSION_OUTPUT_MIX = 0, +} audio_session_t; + +/* Audio sub formats (see enum audio_format). */ + +/* PCM sub formats */ +typedef enum { + AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1, /* DO NOT CHANGE - PCM signed 16 bits */ + AUDIO_FORMAT_PCM_SUB_8_BIT = 0x2, /* DO NOT CHANGE - PCM unsigned 8 bits */ + AUDIO_FORMAT_PCM_SUB_32_BIT = 0x3, /* PCM signed .31 fixed point */ + AUDIO_FORMAT_PCM_SUB_8_24_BIT = 0x4, /* PCM signed 7.24 fixed point */ +} audio_format_pcm_sub_fmt_t; + +/* MP3 sub format field definition : can use 11 LSBs in the same way as MP3 + * frame header to specify bit rate, stereo mode, version... + */ +typedef enum { + AUDIO_FORMAT_MP3_SUB_NONE = 0x0, +} audio_format_mp3_sub_fmt_t; + +/* AMR NB/WB sub format field definition: specify frame block interleaving, + * bandwidth efficient or octet aligned, encoding mode for recording... + */ +typedef enum { + AUDIO_FORMAT_AMR_SUB_NONE = 0x0, +} audio_format_amr_sub_fmt_t; + +/* AAC sub format field definition: specify profile or bitrate for recording... */ +typedef enum { + AUDIO_FORMAT_AAC_SUB_NONE = 0x0, +} audio_format_aac_sub_fmt_t; + +/* VORBIS sub format field definition: specify quality for recording... */ +typedef enum { + AUDIO_FORMAT_VORBIS_SUB_NONE = 0x0, +} audio_format_vorbis_sub_fmt_t; + +/* Audio format consists in a main format field (upper 8 bits) and a sub format + * field (lower 24 bits). + * + * The main format indicates the main codec type. The sub format field + * indicates options and parameters for each format. The sub format is mainly + * used for record to indicate for instance the requested bitrate or profile. + * It can also be used for certain formats to give informations not present in + * the encoded audio stream (e.g. octet alignement for AMR). + */ +typedef enum { + AUDIO_FORMAT_INVALID = 0xFFFFFFFFUL, + AUDIO_FORMAT_DEFAULT = 0, + AUDIO_FORMAT_PCM = 0x00000000UL, /* DO NOT CHANGE */ + AUDIO_FORMAT_MP3 = 0x01000000UL, + AUDIO_FORMAT_AMR_NB = 0x02000000UL, + AUDIO_FORMAT_AMR_WB = 0x03000000UL, + AUDIO_FORMAT_AAC = 0x04000000UL, + AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL, + AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL, + AUDIO_FORMAT_VORBIS = 0x07000000UL, + AUDIO_FORMAT_MAIN_MASK = 0xFF000000UL, + AUDIO_FORMAT_SUB_MASK = 0x00FFFFFFUL, + + /* Aliases */ + AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM | + AUDIO_FORMAT_PCM_SUB_16_BIT), + AUDIO_FORMAT_PCM_8_BIT = (AUDIO_FORMAT_PCM | + AUDIO_FORMAT_PCM_SUB_8_BIT), + AUDIO_FORMAT_PCM_32_BIT = (AUDIO_FORMAT_PCM | + AUDIO_FORMAT_PCM_SUB_32_BIT), + AUDIO_FORMAT_PCM_8_24_BIT = (AUDIO_FORMAT_PCM | + AUDIO_FORMAT_PCM_SUB_8_24_BIT), +} audio_format_t; + +enum { + /* output channels */ + AUDIO_CHANNEL_OUT_FRONT_LEFT = 0x1, + AUDIO_CHANNEL_OUT_FRONT_RIGHT = 0x2, + AUDIO_CHANNEL_OUT_FRONT_CENTER = 0x4, + AUDIO_CHANNEL_OUT_LOW_FREQUENCY = 0x8, + AUDIO_CHANNEL_OUT_BACK_LEFT = 0x10, + AUDIO_CHANNEL_OUT_BACK_RIGHT = 0x20, + AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x40, + AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80, + AUDIO_CHANNEL_OUT_BACK_CENTER = 0x100, + AUDIO_CHANNEL_OUT_SIDE_LEFT = 0x200, + AUDIO_CHANNEL_OUT_SIDE_RIGHT = 0x400, + AUDIO_CHANNEL_OUT_TOP_CENTER = 0x800, + AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT = 0x1000, + AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER = 0x2000, + AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT = 0x4000, + AUDIO_CHANNEL_OUT_TOP_BACK_LEFT = 0x8000, + AUDIO_CHANNEL_OUT_TOP_BACK_CENTER = 0x10000, + AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000, + + AUDIO_CHANNEL_OUT_MONO = AUDIO_CHANNEL_OUT_FRONT_LEFT, + AUDIO_CHANNEL_OUT_STEREO = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT), + AUDIO_CHANNEL_OUT_QUAD = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT | + AUDIO_CHANNEL_OUT_BACK_LEFT | + AUDIO_CHANNEL_OUT_BACK_RIGHT), + AUDIO_CHANNEL_OUT_SURROUND = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT | + AUDIO_CHANNEL_OUT_FRONT_CENTER | + AUDIO_CHANNEL_OUT_BACK_CENTER), + AUDIO_CHANNEL_OUT_5POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT | + AUDIO_CHANNEL_OUT_FRONT_CENTER | + AUDIO_CHANNEL_OUT_LOW_FREQUENCY | + AUDIO_CHANNEL_OUT_BACK_LEFT | + AUDIO_CHANNEL_OUT_BACK_RIGHT), + // matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1 + AUDIO_CHANNEL_OUT_7POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT | + AUDIO_CHANNEL_OUT_FRONT_CENTER | + AUDIO_CHANNEL_OUT_LOW_FREQUENCY | + AUDIO_CHANNEL_OUT_BACK_LEFT | + AUDIO_CHANNEL_OUT_BACK_RIGHT | + AUDIO_CHANNEL_OUT_SIDE_LEFT | + AUDIO_CHANNEL_OUT_SIDE_RIGHT), + AUDIO_CHANNEL_OUT_ALL = (AUDIO_CHANNEL_OUT_FRONT_LEFT | + AUDIO_CHANNEL_OUT_FRONT_RIGHT | + AUDIO_CHANNEL_OUT_FRONT_CENTER | + AUDIO_CHANNEL_OUT_LOW_FREQUENCY | + AUDIO_CHANNEL_OUT_BACK_LEFT | + AUDIO_CHANNEL_OUT_BACK_RIGHT | + AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | + AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | + AUDIO_CHANNEL_OUT_BACK_CENTER| + AUDIO_CHANNEL_OUT_SIDE_LEFT| + AUDIO_CHANNEL_OUT_SIDE_RIGHT| + AUDIO_CHANNEL_OUT_TOP_CENTER| + AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT| + AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER| + AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT| + AUDIO_CHANNEL_OUT_TOP_BACK_LEFT| + AUDIO_CHANNEL_OUT_TOP_BACK_CENTER| + AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT), + + /* input channels */ + AUDIO_CHANNEL_IN_LEFT = 0x4, + AUDIO_CHANNEL_IN_RIGHT = 0x8, + AUDIO_CHANNEL_IN_FRONT = 0x10, + AUDIO_CHANNEL_IN_BACK = 0x20, + AUDIO_CHANNEL_IN_LEFT_PROCESSED = 0x40, + AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 0x80, + AUDIO_CHANNEL_IN_FRONT_PROCESSED = 0x100, + AUDIO_CHANNEL_IN_BACK_PROCESSED = 0x200, + AUDIO_CHANNEL_IN_PRESSURE = 0x400, + AUDIO_CHANNEL_IN_X_AXIS = 0x800, + AUDIO_CHANNEL_IN_Y_AXIS = 0x1000, + AUDIO_CHANNEL_IN_Z_AXIS = 0x2000, + AUDIO_CHANNEL_IN_VOICE_UPLINK = 0x4000, + AUDIO_CHANNEL_IN_VOICE_DNLINK = 0x8000, + + AUDIO_CHANNEL_IN_MONO = AUDIO_CHANNEL_IN_FRONT, + AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT), + AUDIO_CHANNEL_IN_ALL = (AUDIO_CHANNEL_IN_LEFT | + AUDIO_CHANNEL_IN_RIGHT | + AUDIO_CHANNEL_IN_FRONT | + AUDIO_CHANNEL_IN_BACK| + AUDIO_CHANNEL_IN_LEFT_PROCESSED | + AUDIO_CHANNEL_IN_RIGHT_PROCESSED | + AUDIO_CHANNEL_IN_FRONT_PROCESSED | + AUDIO_CHANNEL_IN_BACK_PROCESSED| + AUDIO_CHANNEL_IN_PRESSURE | + AUDIO_CHANNEL_IN_X_AXIS | + AUDIO_CHANNEL_IN_Y_AXIS | + AUDIO_CHANNEL_IN_Z_AXIS | + AUDIO_CHANNEL_IN_VOICE_UPLINK | + AUDIO_CHANNEL_IN_VOICE_DNLINK), +}; + +typedef uint32_t audio_channel_mask_t; + +typedef enum { + AUDIO_MODE_INVALID = -2, + AUDIO_MODE_CURRENT = -1, + AUDIO_MODE_NORMAL = 0, + AUDIO_MODE_RINGTONE = 1, + AUDIO_MODE_IN_CALL = 2, + AUDIO_MODE_IN_COMMUNICATION = 3, + + AUDIO_MODE_CNT, + AUDIO_MODE_MAX = AUDIO_MODE_CNT - 1, +} audio_mode_t; + +typedef enum { + AUDIO_IN_ACOUSTICS_AGC_ENABLE = 0x0001, + AUDIO_IN_ACOUSTICS_AGC_DISABLE = 0, + AUDIO_IN_ACOUSTICS_NS_ENABLE = 0x0002, + AUDIO_IN_ACOUSTICS_NS_DISABLE = 0, + AUDIO_IN_ACOUSTICS_TX_IIR_ENABLE = 0x0004, + AUDIO_IN_ACOUSTICS_TX_DISABLE = 0, +} audio_in_acoustics_t; + +enum { + AUDIO_DEVICE_NONE = 0x0, + /* reserved bits */ + AUDIO_DEVICE_BIT_IN = 0x80000000, + AUDIO_DEVICE_BIT_DEFAULT = 0x40000000, + /* output devices */ + AUDIO_DEVICE_OUT_EARPIECE = 0x1, + AUDIO_DEVICE_OUT_SPEAKER = 0x2, + AUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4, + AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8, + AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 0x10, + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 0x80, + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, + AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400, + AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800, + AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000, + AUDIO_DEVICE_OUT_USB_ACCESSORY = 0x2000, + AUDIO_DEVICE_OUT_USB_DEVICE = 0x4000, + AUDIO_DEVICE_OUT_REMOTE_SUBMIX = 0x8000, + AUDIO_DEVICE_OUT_DEFAULT = AUDIO_DEVICE_BIT_DEFAULT, + AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE | + AUDIO_DEVICE_OUT_SPEAKER | + AUDIO_DEVICE_OUT_WIRED_HEADSET | + AUDIO_DEVICE_OUT_WIRED_HEADPHONE | + AUDIO_DEVICE_OUT_BLUETOOTH_SCO | + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT | + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | + AUDIO_DEVICE_OUT_AUX_DIGITAL | + AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET | + AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET | + AUDIO_DEVICE_OUT_USB_ACCESSORY | + AUDIO_DEVICE_OUT_USB_DEVICE | + AUDIO_DEVICE_OUT_REMOTE_SUBMIX | + AUDIO_DEVICE_OUT_DEFAULT), + AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | + AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), + AUDIO_DEVICE_OUT_ALL_SCO = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO | + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | + AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT), + AUDIO_DEVICE_OUT_ALL_USB = (AUDIO_DEVICE_OUT_USB_ACCESSORY | + AUDIO_DEVICE_OUT_USB_DEVICE), + + /* input devices */ + AUDIO_DEVICE_IN_COMMUNICATION = AUDIO_DEVICE_BIT_IN | 0x1, + AUDIO_DEVICE_IN_AMBIENT = AUDIO_DEVICE_BIT_IN | 0x2, + AUDIO_DEVICE_IN_BUILTIN_MIC = AUDIO_DEVICE_BIT_IN | 0x4, + AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8, + AUDIO_DEVICE_IN_WIRED_HEADSET = AUDIO_DEVICE_BIT_IN | 0x10, + AUDIO_DEVICE_IN_AUX_DIGITAL = AUDIO_DEVICE_BIT_IN | 0x20, + AUDIO_DEVICE_IN_VOICE_CALL = AUDIO_DEVICE_BIT_IN | 0x40, + AUDIO_DEVICE_IN_BACK_MIC = AUDIO_DEVICE_BIT_IN | 0x80, + AUDIO_DEVICE_IN_REMOTE_SUBMIX = AUDIO_DEVICE_BIT_IN | 0x100, + AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x200, + AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x400, + AUDIO_DEVICE_IN_USB_ACCESSORY = AUDIO_DEVICE_BIT_IN | 0x800, + AUDIO_DEVICE_IN_USB_DEVICE = AUDIO_DEVICE_BIT_IN | 0x1000, + AUDIO_DEVICE_IN_DEFAULT = AUDIO_DEVICE_BIT_IN | AUDIO_DEVICE_BIT_DEFAULT, + + AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION | + AUDIO_DEVICE_IN_AMBIENT | + AUDIO_DEVICE_IN_BUILTIN_MIC | + AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET | + AUDIO_DEVICE_IN_WIRED_HEADSET | + AUDIO_DEVICE_IN_AUX_DIGITAL | + AUDIO_DEVICE_IN_VOICE_CALL | + AUDIO_DEVICE_IN_BACK_MIC | + AUDIO_DEVICE_IN_REMOTE_SUBMIX | + AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET | + AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET | + AUDIO_DEVICE_IN_USB_ACCESSORY | + AUDIO_DEVICE_IN_USB_DEVICE | + AUDIO_DEVICE_IN_DEFAULT), + AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, +}; + +typedef uint32_t audio_devices_t; + +/* the audio output flags serve two purposes: + * - when an AudioTrack is created they indicate a "wish" to be connected to an + * output stream with attributes corresponding to the specified flags + * - when present in an output profile descriptor listed for a particular audio + * hardware module, they indicate that an output stream can be opened that + * supports the attributes indicated by the flags. + * the audio policy manager will try to match the flags in the request + * (when getOuput() is called) to an available output stream. + */ +typedef enum { + AUDIO_OUTPUT_FLAG_NONE = 0x0, // no attributes + AUDIO_OUTPUT_FLAG_DIRECT = 0x1, // this output directly connects a track + // to one output stream: no software mixer + AUDIO_OUTPUT_FLAG_PRIMARY = 0x2, // this output is the primary output of + // the device. It is unique and must be + // present. It is opened by default and + // receives routing, audio mode and volume + // controls related to voice calls. + AUDIO_OUTPUT_FLAG_FAST = 0x4, // output supports "fast tracks", + // defined elsewhere + AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 0x8 // use deep audio buffers +} audio_output_flags_t; + +static inline bool audio_is_output_device(audio_devices_t device) +{ + if (((device & AUDIO_DEVICE_BIT_IN) == 0) && + (popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL) == 0)) + return true; + else + return false; +} + +static inline bool audio_is_input_device(audio_devices_t device) +{ + if ((device & AUDIO_DEVICE_BIT_IN) != 0) { + device &= ~AUDIO_DEVICE_BIT_IN; + if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_ALL) == 0)) + return true; + } + return false; +} + +static inline bool audio_is_output_devices(audio_devices_t device) +{ + return (device & AUDIO_DEVICE_BIT_IN) == 0; +} + + +static inline bool audio_is_a2dp_device(audio_devices_t device) +{ + if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_A2DP)) + return true; + else + return false; +} + +static inline bool audio_is_bluetooth_sco_device(audio_devices_t device) +{ + device &= ~AUDIO_DEVICE_BIT_IN; + if ((popcount(device) == 1) && (device & (AUDIO_DEVICE_OUT_ALL_SCO | + AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET))) + return true; + else + return false; +} + +static inline bool audio_is_usb_device(audio_devices_t device) +{ + if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_USB)) + return true; + else + return false; +} + +static inline bool audio_is_remote_submix_device(audio_devices_t device) +{ + if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) + return true; + else + return false; +} + +static inline bool audio_is_input_channel(uint32_t channel) +{ + if ((channel & ~AUDIO_CHANNEL_IN_ALL) == 0) + return true; + else + return false; +} + +static inline bool audio_is_output_channel(uint32_t channel) +{ + if ((channel & ~AUDIO_CHANNEL_OUT_ALL) == 0) + return true; + else + return false; +} + +/* Derive an output channel mask from a channel count. + * This is to be used when the content channel mask is unknown. The 1, 2, 4, 5, 6, 7 and 8 channel + * cases are mapped to the standard game/home-theater layouts, but note that 4 is mapped to quad, + * and not stereo + FC + mono surround. A channel count of 3 is arbitrarily mapped to stereo + FC + * for continuity with stereo. + * Returns the matching channel mask, or 0 if the number of channels exceeds that of the + * configurations for which a default channel mask is defined. + */ +static inline audio_channel_mask_t audio_channel_out_mask_from_count(uint32_t channel_count) +{ + switch(channel_count) { + case 1: + return AUDIO_CHANNEL_OUT_MONO; + case 2: + return AUDIO_CHANNEL_OUT_STEREO; + case 3: + return (AUDIO_CHANNEL_OUT_STEREO | AUDIO_CHANNEL_OUT_FRONT_CENTER); + case 4: // 4.0 + return AUDIO_CHANNEL_OUT_QUAD; + case 5: // 5.0 + return (AUDIO_CHANNEL_OUT_QUAD | AUDIO_CHANNEL_OUT_FRONT_CENTER); + case 6: // 5.1 + return AUDIO_CHANNEL_OUT_5POINT1; + case 7: // 6.1 + return (AUDIO_CHANNEL_OUT_5POINT1 | AUDIO_CHANNEL_OUT_BACK_CENTER); + case 8: + return AUDIO_CHANNEL_OUT_7POINT1; + default: + return 0; + } +} + +/* Similar to above, but for input. Currently handles only mono and stereo. */ +static inline audio_channel_mask_t audio_channel_in_mask_from_count(uint32_t channel_count) +{ + switch (channel_count) { + case 1: + return AUDIO_CHANNEL_IN_MONO; + case 2: + return AUDIO_CHANNEL_IN_STEREO; + default: + return 0; + } +} + +static inline bool audio_is_valid_format(audio_format_t format) +{ + switch (format & AUDIO_FORMAT_MAIN_MASK) { + case AUDIO_FORMAT_PCM: + if (format != AUDIO_FORMAT_PCM_16_BIT && + format != AUDIO_FORMAT_PCM_8_BIT) { + return false; + } + case AUDIO_FORMAT_MP3: + case AUDIO_FORMAT_AMR_NB: + case AUDIO_FORMAT_AMR_WB: + case AUDIO_FORMAT_AAC: + case AUDIO_FORMAT_HE_AAC_V1: + case AUDIO_FORMAT_HE_AAC_V2: + case AUDIO_FORMAT_VORBIS: + return true; + default: + return false; + } +} + +static inline bool audio_is_linear_pcm(audio_format_t format) +{ + return ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_PCM); +} + +static inline size_t audio_bytes_per_sample(audio_format_t format) +{ + size_t size = 0; + + switch (format) { + case AUDIO_FORMAT_PCM_32_BIT: + case AUDIO_FORMAT_PCM_8_24_BIT: + size = sizeof(int32_t); + break; + case AUDIO_FORMAT_PCM_16_BIT: + size = sizeof(int16_t); + break; + case AUDIO_FORMAT_PCM_8_BIT: + size = sizeof(uint8_t); + break; + default: + break; + } + return size; +} + +__END_DECLS + +#endif // ANDROID_AUDIO_CORE_H diff --git a/system/audio_policy.h b/system/audio_policy.h new file mode 100644 index 0000000..a6554de --- /dev/null +++ b/system/audio_policy.h @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef ANDROID_AUDIO_POLICY_CORE_H +#define ANDROID_AUDIO_POLICY_CORE_H + +#include +#include +#include + +#include + +__BEGIN_DECLS + +/* The enums were moved here mostly from + * frameworks/base/include/media/AudioSystem.h + */ + +/* device categories used for audio_policy->set_force_use() */ +typedef enum { + AUDIO_POLICY_FORCE_NONE, + AUDIO_POLICY_FORCE_SPEAKER, + AUDIO_POLICY_FORCE_HEADPHONES, + AUDIO_POLICY_FORCE_BT_SCO, + AUDIO_POLICY_FORCE_BT_A2DP, + AUDIO_POLICY_FORCE_WIRED_ACCESSORY, + AUDIO_POLICY_FORCE_BT_CAR_DOCK, + AUDIO_POLICY_FORCE_BT_DESK_DOCK, + AUDIO_POLICY_FORCE_ANALOG_DOCK, + AUDIO_POLICY_FORCE_DIGITAL_DOCK, + AUDIO_POLICY_FORCE_NO_BT_A2DP, /* A2DP sink is not preferred to speaker or wired HS */ + AUDIO_POLICY_FORCE_SYSTEM_ENFORCED, + + AUDIO_POLICY_FORCE_CFG_CNT, + AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1, + + AUDIO_POLICY_FORCE_DEFAULT = AUDIO_POLICY_FORCE_NONE, +} audio_policy_forced_cfg_t; + +/* usages used for audio_policy->set_force_use() */ +typedef enum { + AUDIO_POLICY_FORCE_FOR_COMMUNICATION, + AUDIO_POLICY_FORCE_FOR_MEDIA, + AUDIO_POLICY_FORCE_FOR_RECORD, + AUDIO_POLICY_FORCE_FOR_DOCK, + AUDIO_POLICY_FORCE_FOR_SYSTEM, + + AUDIO_POLICY_FORCE_USE_CNT, + AUDIO_POLICY_FORCE_USE_MAX = AUDIO_POLICY_FORCE_USE_CNT - 1, +} audio_policy_force_use_t; + +/* device connection states used for audio_policy->set_device_connection_state() + */ +typedef enum { + AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, + AUDIO_POLICY_DEVICE_STATE_AVAILABLE, + + AUDIO_POLICY_DEVICE_STATE_CNT, + AUDIO_POLICY_DEVICE_STATE_MAX = AUDIO_POLICY_DEVICE_STATE_CNT - 1, +} audio_policy_dev_state_t; + +typedef enum { + /* Used to generate a tone to notify the user of a + * notification/alarm/ringtone while they are in a call. */ + AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION = 0, + + AUDIO_POLICY_TONE_CNT, + AUDIO_POLICY_TONE_MAX = AUDIO_POLICY_TONE_CNT - 1, +} audio_policy_tone_t; + + +static inline bool audio_is_low_visibility(audio_stream_type_t stream) +{ + switch (stream) { + case AUDIO_STREAM_SYSTEM: + case AUDIO_STREAM_NOTIFICATION: + case AUDIO_STREAM_RING: + return true; + default: + return false; + } +} + + +__END_DECLS + +#endif // ANDROID_AUDIO_POLICY_CORE_H diff --git a/system/camera.h b/system/camera.h new file mode 100644 index 0000000..11a3f2a --- /dev/null +++ b/system/camera.h @@ -0,0 +1,311 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SYSTEM_CORE_INCLUDE_ANDROID_CAMERA_H +#define SYSTEM_CORE_INCLUDE_ANDROID_CAMERA_H + +#include +#include +#include +#include +#include +#include + +__BEGIN_DECLS + +/** + * A set of bit masks for specifying how the received preview frames are + * handled before the previewCallback() call. + * + * The least significant 3 bits of an "int" value are used for this purpose: + * + * ..... 0 0 0 + * ^ ^ ^ + * | | |---------> determine whether the callback is enabled or not + * | |-----------> determine whether the callback is one-shot or not + * |-------------> determine whether the frame is copied out or not + * + * WARNING: When a frame is sent directly without copying, it is the frame + * receiver's responsiblity to make sure that the frame data won't get + * corrupted by subsequent preview frames filled by the camera. This flag is + * recommended only when copying out data brings significant performance price + * and the handling/processing of the received frame data is always faster than + * the preview frame rate so that data corruption won't occur. + * + * For instance, + * 1. 0x00 disables the callback. In this case, copy out and one shot bits + * are ignored. + * 2. 0x01 enables a callback without copying out the received frames. A + * typical use case is the Camcorder application to avoid making costly + * frame copies. + * 3. 0x05 is enabling a callback with frame copied out repeatedly. A typical + * use case is the Camera application. + * 4. 0x07 is enabling a callback with frame copied out only once. A typical + * use case is the Barcode scanner application. + */ + +enum { + CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK = 0x01, + CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK = 0x02, + CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK = 0x04, + /** Typical use cases */ + CAMERA_FRAME_CALLBACK_FLAG_NOOP = 0x00, + CAMERA_FRAME_CALLBACK_FLAG_CAMCORDER = 0x01, + CAMERA_FRAME_CALLBACK_FLAG_CAMERA = 0x05, + CAMERA_FRAME_CALLBACK_FLAG_BARCODE_SCANNER = 0x07 +}; + +/** msgType in notifyCallback and dataCallback functions */ +enum { + CAMERA_MSG_ERROR = 0x0001, // notifyCallback + CAMERA_MSG_SHUTTER = 0x0002, // notifyCallback + CAMERA_MSG_FOCUS = 0x0004, // notifyCallback + CAMERA_MSG_ZOOM = 0x0008, // notifyCallback + CAMERA_MSG_PREVIEW_FRAME = 0x0010, // dataCallback + CAMERA_MSG_VIDEO_FRAME = 0x0020, // data_timestamp_callback + CAMERA_MSG_POSTVIEW_FRAME = 0x0040, // dataCallback + CAMERA_MSG_RAW_IMAGE = 0x0080, // dataCallback + CAMERA_MSG_COMPRESSED_IMAGE = 0x0100, // dataCallback + CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x0200, // dataCallback + // Preview frame metadata. This can be combined with + // CAMERA_MSG_PREVIEW_FRAME in dataCallback. For example, the apps can + // request FRAME and METADATA. Or the apps can request only FRAME or only + // METADATA. + CAMERA_MSG_PREVIEW_METADATA = 0x0400, // dataCallback + // Notify on autofocus start and stop. This is useful in continuous + // autofocus - FOCUS_MODE_CONTINUOUS_VIDEO and FOCUS_MODE_CONTINUOUS_PICTURE. +#if defined(QCOM_ICS_COMPAT) && defined(QCOM_HARDWARE) + CAMERA_MSG_STATS_DATA = 0x800, + CAMERA_MSG_FOCUS_MOVE = 0x1000, // notifyCallback +#elif defined(OMAP_ICS_CAMERA) && defined(OMAP_ENHANCEMENT) + CAMERA_MSG_COMPRESSED_BURST_IMAGE = 0x0800, //dataCallback + CAMERA_MSG_RAW_BURST = 0x1000, // dataCallback +#else + CAMERA_MSG_FOCUS_MOVE = 0x0800, // notifyCallback +#ifdef QCOM_HARDWARE + CAMERA_MSG_STATS_DATA = 0x1000, +#elif defined(OMAP_ENHANCEMENT) && defined(OMAP_ENHANCEMENT_BURST_CAPTURE) + CAMERA_MSG_COMPRESSED_BURST_IMAGE = 0x1000, // dataCallback + CAMERA_MSG_RAW_BURST = 0x2000, // dataCallback +#endif +#endif + CAMERA_MSG_ALL_MSGS = 0xFFFF +}; + +/** cmdType in sendCommand functions */ +enum { + CAMERA_CMD_START_SMOOTH_ZOOM = 1, + CAMERA_CMD_STOP_SMOOTH_ZOOM = 2, + + /** + * Set the clockwise rotation of preview display (setPreviewDisplay) in + * degrees. This affects the preview frames and the picture displayed after + * snapshot. This method is useful for portrait mode applications. Note + * that preview display of front-facing cameras is flipped horizontally + * before the rotation, that is, the image is reflected along the central + * vertical axis of the camera sensor. So the users can see themselves as + * looking into a mirror. + * + * This does not affect the order of byte array of + * CAMERA_MSG_PREVIEW_FRAME, CAMERA_MSG_VIDEO_FRAME, + * CAMERA_MSG_POSTVIEW_FRAME, CAMERA_MSG_RAW_IMAGE, or + * CAMERA_MSG_COMPRESSED_IMAGE. This is allowed to be set during preview + * since API level 14. + */ + CAMERA_CMD_SET_DISPLAY_ORIENTATION = 3, + + /** + * cmdType to disable/enable shutter sound. In sendCommand passing arg1 = + * 0 will disable, while passing arg1 = 1 will enable the shutter sound. + */ + CAMERA_CMD_ENABLE_SHUTTER_SOUND = 4, + + /* cmdType to play recording sound */ + CAMERA_CMD_PLAY_RECORDING_SOUND = 5, + + /** + * Start the face detection. This should be called after preview is started. + * The camera will notify the listener of CAMERA_MSG_FACE and the detected + * faces in the preview frame. The detected faces may be the same as the + * previous ones. Apps should call CAMERA_CMD_STOP_FACE_DETECTION to stop + * the face detection. This method is supported if CameraParameters + * KEY_MAX_NUM_HW_DETECTED_FACES or KEY_MAX_NUM_SW_DETECTED_FACES is + * bigger than 0. Hardware and software face detection should not be running + * at the same time. If the face detection has started, apps should not send + * this again. + * + * In hardware face detection mode, CameraParameters KEY_WHITE_BALANCE, + * KEY_FOCUS_AREAS and KEY_METERING_AREAS have no effect. + * + * arg1 is the face detection type. It can be CAMERA_FACE_DETECTION_HW or + * CAMERA_FACE_DETECTION_SW. If the type of face detection requested is not + * supported, the HAL must return BAD_VALUE. + */ + CAMERA_CMD_START_FACE_DETECTION = 6, + + /** + * Stop the face detection. + */ + CAMERA_CMD_STOP_FACE_DETECTION = 7, + +#if defined(QCOM_ICS_COMPAT) && defined(QCOM_HARDWARE) + CAMERA_CMD_HISTOGRAM_ON = 8, + CAMERA_CMD_HISTOGRAM_OFF = 9, + CAMERA_CMD_HISTOGRAM_SEND_DATA = 10, + /* Unused by the older blobs, but referenced */ + CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG = 11, + CAMERA_CMD_PING = 12, + CAMERA_CMD_SET_VIDEO_BUFFER_COUNT = 13, +#else + /** + * Enable/disable focus move callback (CAMERA_MSG_FOCUS_MOVE). Passing + * arg1 = 0 will disable, while passing arg1 = 1 will enable the callback. + */ + CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG = 8, + + /** + * Ping camera service to see if camera hardware is released. + * + * When any camera method returns error, the client can use ping command + * to see if the camera has been taken away by other clients. If the result + * is NO_ERROR, it means the camera hardware is not released. If the result + * is not NO_ERROR, the camera has been released and the existing client + * can silently finish itself or show a dialog. + */ + CAMERA_CMD_PING = 9, + + /** + * Configure the number of video buffers used for recording. The intended + * video buffer count for recording is passed as arg1, which must be + * greater than 0. This command must be sent before recording is started. + * This command returns INVALID_OPERATION error if it is sent after video + * recording is started, or the command is not supported at all. This + * command also returns a BAD_VALUE error if the intended video buffer + * count is non-positive or too big to be realized. + */ + CAMERA_CMD_SET_VIDEO_BUFFER_COUNT = 10, +#endif + +}; + +/** camera fatal errors */ +enum { + CAMERA_ERROR_UNKNOWN = 1, + /** + * Camera was released because another client has connected to the camera. + * The original client should call Camera::disconnect immediately after + * getting this notification. Otherwise, the camera will be released by + * camera service in a short time. The client should not call any method + * (except disconnect and sending CAMERA_CMD_PING) after getting this. + */ + CAMERA_ERROR_RELEASED = 2, + CAMERA_ERROR_SERVER_DIED = 100 +}; + +enum { + /** The facing of the camera is opposite to that of the screen. */ + CAMERA_FACING_BACK = 0, + /** The facing of the camera is the same as that of the screen. */ + CAMERA_FACING_FRONT = 1 +}; + +#ifdef QCOM_HARDWARE +enum { + CAMERA_SUPPORT_MODE_2D = 0x01, /* Camera Sensor supports 2D mode. */ + CAMERA_SUPPORT_MODE_3D = 0x02, /* Camera Sensor supports 3D mode. */ + CAMERA_SUPPORT_MODE_NONZSL = 0x04, /* Camera Sensor in NON-ZSL mode. */ + CAMERA_SUPPORT_MODE_ZSL = 0x08 /* Camera Sensor supports ZSL mode. */ +}; +#endif + +enum { + /** Hardware face detection. It does not use much CPU. */ + CAMERA_FACE_DETECTION_HW = 0, + /** + * Software face detection. It uses some CPU. Applications must use + * Camera.setPreviewTexture for preview in this mode. + */ + CAMERA_FACE_DETECTION_SW = 1 +}; + +/** + * The information of a face from camera face detection. + */ +typedef struct camera_face { + /** + * Bounds of the face [left, top, right, bottom]. (-1000, -1000) represents + * the top-left of the camera field of view, and (1000, 1000) represents the + * bottom-right of the field of view. The width and height cannot be 0 or + * negative. This is supported by both hardware and software face detection. + * + * The direction is relative to the sensor orientation, that is, what the + * sensor sees. The direction is not affected by the rotation or mirroring + * of CAMERA_CMD_SET_DISPLAY_ORIENTATION. + */ + int32_t rect[4]; + + /** + * The confidence level of the face. The range is 1 to 100. 100 is the + * highest confidence. This is supported by both hardware and software + * face detection. + */ + int32_t score; + + /** + * An unique id per face while the face is visible to the tracker. If + * the face leaves the field-of-view and comes back, it will get a new + * id. If the value is 0, id is not supported. + */ + int32_t id; + + /** + * The coordinates of the center of the left eye. The range is -1000 to + * 1000. -2000, -2000 if this is not supported. + */ + int32_t left_eye[2]; + + /** + * The coordinates of the center of the right eye. The range is -1000 to + * 1000. -2000, -2000 if this is not supported. + */ + int32_t right_eye[2]; + + /** + * The coordinates of the center of the mouth. The range is -1000 to 1000. + * -2000, -2000 if this is not supported. + */ + int32_t mouth[2]; + +} camera_face_t; + +/** + * The metadata of the frame data. + */ +typedef struct camera_frame_metadata { + /** + * The number of detected faces in the frame. + */ + int32_t number_of_faces; + + /** + * An array of the detected faces. The length is number_of_faces. + */ + camera_face_t *faces; +} camera_frame_metadata_t; + +__END_DECLS + +#endif /* SYSTEM_CORE_INCLUDE_ANDROID_CAMERA_H */ diff --git a/system/graphics.h b/system/graphics.h new file mode 100644 index 0000000..82b5fcc --- /dev/null +++ b/system/graphics.h @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H +#define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * If the HAL needs to create service threads to handle graphics related + * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority + * if they can block the main rendering thread in any way. + * + * the priority of the current thread can be set with: + * + * #include + * setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY); + * + */ + +#define HAL_PRIORITY_URGENT_DISPLAY (-8) + +/** + * pixel format definitions + */ + +enum { + HAL_PIXEL_FORMAT_RGBA_8888 = 1, + HAL_PIXEL_FORMAT_RGBX_8888 = 2, + HAL_PIXEL_FORMAT_RGB_888 = 3, + HAL_PIXEL_FORMAT_RGB_565 = 4, + HAL_PIXEL_FORMAT_BGRA_8888 = 5, + HAL_PIXEL_FORMAT_RGBA_5551 = 6, + HAL_PIXEL_FORMAT_RGBA_4444 = 7, + + /* 0x8 - 0xFF range unavailable */ + + /* + * 0x100 - 0x1FF + * + * This range is reserved for pixel formats that are specific to the HAL + * implementation. Implementations can use any value in this range to + * communicate video pixel formats between their HAL modules. These formats + * must not have an alpha channel. Additionally, an EGLimage created from a + * gralloc buffer of one of these formats must be supported for use with the + * GL_OES_EGL_image_external OpenGL ES extension. + */ + + /* + * Android YUV format: + * + * This format is exposed outside of the HAL to software decoders and + * applications. EGLImageKHR must support it in conjunction with the + * OES_EGL_image_external extension. + * + * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed + * by (W/2) x (H/2) Cr and Cb planes. + * + * This format assumes + * - an even width + * - an even height + * - a horizontal stride multiple of 16 pixels + * - a vertical stride equal to the height + * + * y_size = stride * height + * c_stride = ALIGN(stride/2, 16) + * c_size = c_stride * height/2 + * size = y_size + c_size * 2 + * cr_offset = y_size + * cb_offset = y_size + c_size + * + */ + HAL_PIXEL_FORMAT_YV12 = 0x32315659, // YCrCb 4:2:0 Planar + + /* + * Android RAW sensor format: + * + * This format is exposed outside of the HAL to applications. + * + * RAW_SENSOR is a single-channel 16-bit format, typically representing raw + * Bayer-pattern images from an image sensor, with minimal processing. + * + * The exact pixel layout of the data in the buffer is sensor-dependent, and + * needs to be queried from the camera device. + * + * Generally, not all 16 bits are used; more common values are 10 or 12 + * bits. All parameters to interpret the raw data (black and white points, + * color space, etc) must be queried from the camera device. + * + * This format assumes + * - an even width + * - an even height + * - a horizontal stride multiple of 16 pixels (32 bytes). + */ + HAL_PIXEL_FORMAT_RAW_SENSOR = 0x20, + + /* + * Android binary blob graphics buffer format: + * + * This format is used to carry task-specific data which does not have a + * standard image structure. The details of the format are left to the two + * endpoints. + * + * A typical use case is for transporting JPEG-compressed images from the + * Camera HAL to the framework or to applications. + * + * Buffers of this format must have a height of 1, and width equal to their + * size in bytes. + */ + HAL_PIXEL_FORMAT_BLOB = 0x21, + + /* + * Android format indicating that the choice of format is entirely up to the + * device-specific Gralloc implementation. + * + * The Gralloc implementation should examine the usage bits passed in when + * allocating a buffer with this format, and it should derive the pixel + * format from those usage flags. This format will never be used with any + * of the GRALLOC_USAGE_SW_* usage flags. + * + * If a buffer of this format is to be used as an OpenGL ES texture, the + * framework will assume that sampling the texture will always return an + * alpha value of 1.0 (i.e. the buffer contains only opaque pixel values). + * + */ + HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED = 0x22, + + /* Legacy formats (deprecated), used by ImageFormat.java */ + HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x10, // NV16 + HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x11, // NV21 + HAL_PIXEL_FORMAT_YCbCr_422_I = 0x14, // YUY2 +}; + + +/** + * Transformation definitions + * + * IMPORTANT NOTE: + * HAL_TRANSFORM_ROT_90 is applied CLOCKWISE and AFTER HAL_TRANSFORM_FLIP_{H|V}. + * + */ + +enum { + /* flip source image horizontally (around the vertical axis) */ + HAL_TRANSFORM_FLIP_H = 0x01, + /* flip source image vertically (around the horizontal axis)*/ + HAL_TRANSFORM_FLIP_V = 0x02, + /* rotate source image 90 degrees clockwise */ + HAL_TRANSFORM_ROT_90 = 0x04, + /* rotate source image 180 degrees */ + HAL_TRANSFORM_ROT_180 = 0x03, + /* rotate source image 270 degrees clockwise */ + HAL_TRANSFORM_ROT_270 = 0x07, +}; + +#ifdef __cplusplus +} +#endif + +#endif /* SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H */ diff --git a/system/window.h b/system/window.h new file mode 100644 index 0000000..2d834f6 --- /dev/null +++ b/system/window.h @@ -0,0 +1,842 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H +#define SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __cplusplus +#include +#endif + +__BEGIN_DECLS + +/*****************************************************************************/ + +#define ANDROID_NATIVE_MAKE_CONSTANT(a,b,c,d) \ + (((unsigned)(a)<<24)|((unsigned)(b)<<16)|((unsigned)(c)<<8)|(unsigned)(d)) + +#define ANDROID_NATIVE_WINDOW_MAGIC \ + ANDROID_NATIVE_MAKE_CONSTANT('_','w','n','d') + +#define ANDROID_NATIVE_BUFFER_MAGIC \ + ANDROID_NATIVE_MAKE_CONSTANT('_','b','f','r') + +// --------------------------------------------------------------------------- + +// This #define may be used to conditionally compile device-specific code to +// support either the prior ANativeWindow interface, which did not pass libsync +// fences around, or the new interface that does. This #define is only present +// when the ANativeWindow interface does include libsync support. +#define ANDROID_NATIVE_WINDOW_HAS_SYNC 1 + +// --------------------------------------------------------------------------- + +typedef const native_handle_t* buffer_handle_t; + +// --------------------------------------------------------------------------- + +typedef struct android_native_rect_t +{ + int32_t left; + int32_t top; + int32_t right; + int32_t bottom; +} android_native_rect_t; + +// --------------------------------------------------------------------------- + +typedef struct android_native_base_t +{ + /* a magic value defined by the actual EGL native type */ + int magic; + + /* the sizeof() of the actual EGL native type */ + int version; + + void* reserved[4]; + + /* reference-counting interface */ + void (*incRef)(struct android_native_base_t* base); + void (*decRef)(struct android_native_base_t* base); +} android_native_base_t; + +typedef struct ANativeWindowBuffer +{ +#ifdef __cplusplus + ANativeWindowBuffer() { + common.magic = ANDROID_NATIVE_BUFFER_MAGIC; + common.version = sizeof(ANativeWindowBuffer); + memset(common.reserved, 0, sizeof(common.reserved)); + } + + // Implement the methods that sp expects so that it + // can be used to automatically refcount ANativeWindowBuffer's. + void incStrong(const void* id) const { + common.incRef(const_cast(&common)); + } + void decStrong(const void* id) const { + common.decRef(const_cast(&common)); + } +#endif + + struct android_native_base_t common; + + int width; + int height; + int stride; + int format; + int usage; + + void* reserved[2]; + + buffer_handle_t handle; + + void* reserved_proc[8]; +} ANativeWindowBuffer_t; + +// Old typedef for backwards compatibility. +typedef ANativeWindowBuffer_t android_native_buffer_t; + +// --------------------------------------------------------------------------- + +/* attributes queriable with query() */ +enum { + NATIVE_WINDOW_WIDTH = 0, + NATIVE_WINDOW_HEIGHT = 1, + NATIVE_WINDOW_FORMAT = 2, + + /* The minimum number of buffers that must remain un-dequeued after a buffer + * has been queued. This value applies only if set_buffer_count was used to + * override the number of buffers and if a buffer has since been queued. + * Users of the set_buffer_count ANativeWindow method should query this + * value before calling set_buffer_count. If it is necessary to have N + * buffers simultaneously dequeued as part of the steady-state operation, + * and this query returns M then N+M buffers should be requested via + * native_window_set_buffer_count. + * + * Note that this value does NOT apply until a single buffer has been + * queued. In particular this means that it is possible to: + * + * 1. Query M = min undequeued buffers + * 2. Set the buffer count to N + M + * 3. Dequeue all N + M buffers + * 4. Cancel M buffers + * 5. Queue, dequeue, queue, dequeue, ad infinitum + */ + NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS = 3, + + /* Check whether queueBuffer operations on the ANativeWindow send the buffer + * to the window compositor. The query sets the returned 'value' argument + * to 1 if the ANativeWindow DOES send queued buffers directly to the window + * compositor and 0 if the buffers do not go directly to the window + * compositor. + * + * This can be used to determine whether protected buffer content should be + * sent to the ANativeWindow. Note, however, that a result of 1 does NOT + * indicate that queued buffers will be protected from applications or users + * capturing their contents. If that behavior is desired then some other + * mechanism (e.g. the GRALLOC_USAGE_PROTECTED flag) should be used in + * conjunction with this query. + */ + NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER = 4, + + /* Get the concrete type of a ANativeWindow. See below for the list of + * possible return values. + * + * This query should not be used outside the Android framework and will + * likely be removed in the near future. + */ + NATIVE_WINDOW_CONCRETE_TYPE = 5, + + + /* + * Default width and height of ANativeWindow buffers, these are the + * dimensions of the window buffers irrespective of the + * NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS call and match the native window + * size unless overridden by NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS. + */ + NATIVE_WINDOW_DEFAULT_WIDTH = 6, + NATIVE_WINDOW_DEFAULT_HEIGHT = 7, + + /* + * transformation that will most-likely be applied to buffers. This is only + * a hint, the actual transformation applied might be different. + * + * INTENDED USE: + * + * The transform hint can be used by a producer, for instance the GLES + * driver, to pre-rotate the rendering such that the final transformation + * in the composer is identity. This can be very useful when used in + * conjunction with the h/w composer HAL, in situations where it + * cannot handle arbitrary rotations. + * + * 1. Before dequeuing a buffer, the GL driver (or any other ANW client) + * queries the ANW for NATIVE_WINDOW_TRANSFORM_HINT. + * + * 2. The GL driver overrides the width and height of the ANW to + * account for NATIVE_WINDOW_TRANSFORM_HINT. This is done by querying + * NATIVE_WINDOW_DEFAULT_{WIDTH | HEIGHT}, swapping the dimensions + * according to NATIVE_WINDOW_TRANSFORM_HINT and calling + * native_window_set_buffers_dimensions(). + * + * 3. The GL driver dequeues a buffer of the new pre-rotated size. + * + * 4. The GL driver renders to the buffer such that the image is + * already transformed, that is applying NATIVE_WINDOW_TRANSFORM_HINT + * to the rendering. + * + * 5. The GL driver calls native_window_set_transform to apply + * inverse transformation to the buffer it just rendered. + * In order to do this, the GL driver needs + * to calculate the inverse of NATIVE_WINDOW_TRANSFORM_HINT, this is + * done easily: + * + * int hintTransform, inverseTransform; + * query(..., NATIVE_WINDOW_TRANSFORM_HINT, &hintTransform); + * inverseTransform = hintTransform; + * if (hintTransform & HAL_TRANSFORM_ROT_90) + * inverseTransform ^= HAL_TRANSFORM_ROT_180; + * + * + * 6. The GL driver queues the pre-transformed buffer. + * + * 7. The composer combines the buffer transform with the display + * transform. If the buffer transform happens to cancel out the + * display transform then no rotation is needed. + * + */ + NATIVE_WINDOW_TRANSFORM_HINT = 8, + + /* + * Boolean that indicates whether the consumer is running more than + * one buffer behind the producer. + */ + NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND = 9 +}; + +/* Valid operations for the (*perform)() hook. + * + * Values marked as 'deprecated' are supported, but have been superceded by + * other functionality. + * + * Values marked as 'private' should be considered private to the framework. + * HAL implementation code with access to an ANativeWindow should not use these, + * as it may not interact properly with the framework's use of the + * ANativeWindow. + */ +enum { + NATIVE_WINDOW_SET_USAGE = 0, + NATIVE_WINDOW_CONNECT = 1, /* deprecated */ + NATIVE_WINDOW_DISCONNECT = 2, /* deprecated */ + NATIVE_WINDOW_SET_CROP = 3, /* private */ + NATIVE_WINDOW_SET_BUFFER_COUNT = 4, + NATIVE_WINDOW_SET_BUFFERS_GEOMETRY = 5, /* deprecated */ + NATIVE_WINDOW_SET_BUFFERS_TRANSFORM = 6, + NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP = 7, + NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS = 8, + NATIVE_WINDOW_SET_BUFFERS_FORMAT = 9, + NATIVE_WINDOW_SET_SCALING_MODE = 10, /* private */ + NATIVE_WINDOW_LOCK = 11, /* private */ + NATIVE_WINDOW_UNLOCK_AND_POST = 12, /* private */ + NATIVE_WINDOW_API_CONNECT = 13, /* private */ + NATIVE_WINDOW_API_DISCONNECT = 14, /* private */ + NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS = 15, /* private */ + NATIVE_WINDOW_SET_POST_TRANSFORM_CROP = 16, /* private */ + NATIVE_WINDOW_SET_BUFFERS_SIZE = 17, /* private */ +#ifdef QCOM_BSP + NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY = 18, /* private */ +#endif +}; + +/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */ +enum { + /* Buffers will be queued by EGL via eglSwapBuffers after being filled using + * OpenGL ES. + */ + NATIVE_WINDOW_API_EGL = 1, + + /* Buffers will be queued after being filled using the CPU + */ + NATIVE_WINDOW_API_CPU = 2, + + /* Buffers will be queued by Stagefright after being filled by a video + * decoder. The video decoder can either be a software or hardware decoder. + */ + NATIVE_WINDOW_API_MEDIA = 3, + + /* Buffers will be queued by the the camera HAL. + */ + NATIVE_WINDOW_API_CAMERA = 4, +}; + +/* parameter for NATIVE_WINDOW_SET_BUFFERS_TRANSFORM */ +enum { + /* flip source image horizontally */ + NATIVE_WINDOW_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H , + /* flip source image vertically */ + NATIVE_WINDOW_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V, + /* rotate source image 90 degrees clock-wise */ + NATIVE_WINDOW_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, + /* rotate source image 180 degrees */ + NATIVE_WINDOW_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, + /* rotate source image 270 degrees clock-wise */ + NATIVE_WINDOW_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270, +}; + +/* parameter for NATIVE_WINDOW_SET_SCALING_MODE */ +enum { + /* the window content is not updated (frozen) until a buffer of + * the window size is received (enqueued) + */ + NATIVE_WINDOW_SCALING_MODE_FREEZE = 0, + /* the buffer is scaled in both dimensions to match the window size */ + NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW = 1, + /* the buffer is scaled uniformly such that the smaller dimension + * of the buffer matches the window size (cropping in the process) + */ + NATIVE_WINDOW_SCALING_MODE_SCALE_CROP = 2, + /* the window is clipped to the size of the buffer's crop rectangle; pixels + * outside the crop rectangle are treated as if they are completely + * transparent. + */ + NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP = 3, +}; + +/* values returned by the NATIVE_WINDOW_CONCRETE_TYPE query */ +enum { + NATIVE_WINDOW_FRAMEBUFFER = 0, /* FramebufferNativeWindow */ + NATIVE_WINDOW_SURFACE = 1, /* Surface */ + NATIVE_WINDOW_SURFACE_TEXTURE_CLIENT = 2, /* SurfaceTextureClient */ +}; + +/* parameter for NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP + * + * Special timestamp value to indicate that timestamps should be auto-generated + * by the native window when queueBuffer is called. This is equal to INT64_MIN, + * defined directly to avoid problems with C99/C++ inclusion of stdint.h. + */ +static const int64_t NATIVE_WINDOW_TIMESTAMP_AUTO = (-9223372036854775807LL-1); + +struct ANativeWindow +{ +#ifdef __cplusplus + ANativeWindow() + : flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0) + { + common.magic = ANDROID_NATIVE_WINDOW_MAGIC; + common.version = sizeof(ANativeWindow); + memset(common.reserved, 0, sizeof(common.reserved)); + } + + /* Implement the methods that sp expects so that it + can be used to automatically refcount ANativeWindow's. */ + void incStrong(const void* id) const { + common.incRef(const_cast(&common)); + } + void decStrong(const void* id) const { + common.decRef(const_cast(&common)); + } +#endif + + struct android_native_base_t common; + + /* flags describing some attributes of this surface or its updater */ + const uint32_t flags; + + /* min swap interval supported by this updated */ + const int minSwapInterval; + + /* max swap interval supported by this updated */ + const int maxSwapInterval; + + /* horizontal and vertical resolution in DPI */ + const float xdpi; + const float ydpi; + + /* Some storage reserved for the OEM's driver. */ + intptr_t oem[4]; + + /* + * Set the swap interval for this surface. + * + * Returns 0 on success or -errno on error. + */ + int (*setSwapInterval)(struct ANativeWindow* window, + int interval); + + /* + * Hook called by EGL to acquire a buffer. After this call, the buffer + * is not locked, so its content cannot be modified. This call may block if + * no buffers are available. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * Returns 0 on success or -errno on error. + * + * XXX: This function is deprecated. It will continue to work for some + * time for binary compatibility, but the new dequeueBuffer function that + * outputs a fence file descriptor should be used in its place. + */ + int (*dequeueBuffer_DEPRECATED)(struct ANativeWindow* window, + struct ANativeWindowBuffer** buffer); + + /* + * hook called by EGL to lock a buffer. This MUST be called before modifying + * the content of a buffer. The buffer must have been acquired with + * dequeueBuffer first. + * + * Returns 0 on success or -errno on error. + * + * XXX: This function is deprecated. It will continue to work for some + * time for binary compatibility, but it is essentially a no-op, and calls + * to it should be removed. + */ + int (*lockBuffer_DEPRECATED)(struct ANativeWindow* window, + struct ANativeWindowBuffer* buffer); + + /* + * Hook called by EGL when modifications to the render buffer are done. + * This unlocks and post the buffer. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * Buffers MUST be queued in the same order than they were dequeued. + * + * Returns 0 on success or -errno on error. + * + * XXX: This function is deprecated. It will continue to work for some + * time for binary compatibility, but the new queueBuffer function that + * takes a fence file descriptor should be used in its place (pass a value + * of -1 for the fence file descriptor if there is no valid one to pass). + */ + int (*queueBuffer_DEPRECATED)(struct ANativeWindow* window, + struct ANativeWindowBuffer* buffer); + + /* + * hook used to retrieve information about the native window. + * + * Returns 0 on success or -errno on error. + */ + int (*query)(const struct ANativeWindow* window, + int what, int* value); + + /* + * hook used to perform various operations on the surface. + * (*perform)() is a generic mechanism to add functionality to + * ANativeWindow while keeping backward binary compatibility. + * + * DO NOT CALL THIS HOOK DIRECTLY. Instead, use the helper functions + * defined below. + * + * (*perform)() returns -ENOENT if the 'what' parameter is not supported + * by the surface's implementation. + * + * The valid operations are: + * NATIVE_WINDOW_SET_USAGE + * NATIVE_WINDOW_CONNECT (deprecated) + * NATIVE_WINDOW_DISCONNECT (deprecated) + * NATIVE_WINDOW_SET_CROP (private) + * NATIVE_WINDOW_SET_BUFFER_COUNT + * NATIVE_WINDOW_SET_BUFFERS_GEOMETRY (deprecated) + * NATIVE_WINDOW_SET_BUFFERS_TRANSFORM + * NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP + * NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS + * NATIVE_WINDOW_SET_BUFFERS_FORMAT + * NATIVE_WINDOW_SET_SCALING_MODE (private) + * NATIVE_WINDOW_LOCK (private) + * NATIVE_WINDOW_UNLOCK_AND_POST (private) + * NATIVE_WINDOW_API_CONNECT (private) + * NATIVE_WINDOW_API_DISCONNECT (private) + * NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS (private) + * NATIVE_WINDOW_SET_POST_TRANSFORM_CROP (private) + * + */ + + int (*perform)(struct ANativeWindow* window, + int operation, ... ); + + /* + * Hook used to cancel a buffer that has been dequeued. + * No synchronization is performed between dequeue() and cancel(), so + * either external synchronization is needed, or these functions must be + * called from the same thread. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * XXX: This function is deprecated. It will continue to work for some + * time for binary compatibility, but the new cancelBuffer function that + * takes a fence file descriptor should be used in its place (pass a value + * of -1 for the fence file descriptor if there is no valid one to pass). + */ + int (*cancelBuffer_DEPRECATED)(struct ANativeWindow* window, + struct ANativeWindowBuffer* buffer); + + /* + * Hook called by EGL to acquire a buffer. This call may block if no + * buffers are available. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * The libsync fence file descriptor returned in the int pointed to by the + * fenceFd argument will refer to the fence that must signal before the + * dequeued buffer may be written to. A value of -1 indicates that the + * caller may access the buffer immediately without waiting on a fence. If + * a valid file descriptor is returned (i.e. any value except -1) then the + * caller is responsible for closing the file descriptor. + * + * Returns 0 on success or -errno on error. + */ + int (*dequeueBuffer)(struct ANativeWindow* window, + struct ANativeWindowBuffer** buffer, int* fenceFd); + + /* + * Hook called by EGL when modifications to the render buffer are done. + * This unlocks and post the buffer. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * The fenceFd argument specifies a libsync fence file descriptor for a + * fence that must signal before the buffer can be accessed. If the buffer + * can be accessed immediately then a value of -1 should be used. The + * caller must not use the file descriptor after it is passed to + * queueBuffer, and the ANativeWindow implementation is responsible for + * closing it. + * + * Returns 0 on success or -errno on error. + */ + int (*queueBuffer)(struct ANativeWindow* window, + struct ANativeWindowBuffer* buffer, int fenceFd); + + /* + * Hook used to cancel a buffer that has been dequeued. + * No synchronization is performed between dequeue() and cancel(), so + * either external synchronization is needed, or these functions must be + * called from the same thread. + * + * The window holds a reference to the buffer between dequeueBuffer and + * either queueBuffer or cancelBuffer, so clients only need their own + * reference if they might use the buffer after queueing or canceling it. + * Holding a reference to a buffer after queueing or canceling it is only + * allowed if a specific buffer count has been set. + * + * The fenceFd argument specifies a libsync fence file decsriptor for a + * fence that must signal before the buffer can be accessed. If the buffer + * can be accessed immediately then a value of -1 should be used. + * + * Note that if the client has not waited on the fence that was returned + * from dequeueBuffer, that same fence should be passed to cancelBuffer to + * ensure that future uses of the buffer are preceded by a wait on that + * fence. The caller must not use the file descriptor after it is passed + * to cancelBuffer, and the ANativeWindow implementation is responsible for + * closing it. + * + * Returns 0 on success or -errno on error. + */ + int (*cancelBuffer)(struct ANativeWindow* window, + struct ANativeWindowBuffer* buffer, int fenceFd); +}; + + /* Backwards compatibility: use ANativeWindow (struct ANativeWindow in C). + * android_native_window_t is deprecated. + */ +typedef struct ANativeWindow ANativeWindow; +typedef struct ANativeWindow android_native_window_t; + +/* + * native_window_set_usage(..., usage) + * Sets the intended usage flags for the next buffers + * acquired with (*lockBuffer)() and on. + * By default (if this function is never called), a usage of + * GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE + * is assumed. + * Calling this function will usually cause following buffers to be + * reallocated. + */ + +static inline int native_window_set_usage( + struct ANativeWindow* window, int usage) +{ + return window->perform(window, NATIVE_WINDOW_SET_USAGE, usage); +} + +/* deprecated. Always returns 0. Don't call. */ +static inline int native_window_connect( + struct ANativeWindow* window, int api) { + return 0; +} + +/* deprecated. Always returns 0. Don't call. */ +static inline int native_window_disconnect( + struct ANativeWindow* window, int api) { + return 0; +} + +/* + * native_window_set_crop(..., crop) + * Sets which region of the next queued buffers needs to be considered. + * Depending on the scaling mode, a buffer's crop region is scaled and/or + * cropped to match the surface's size. This function sets the crop in + * pre-transformed buffer pixel coordinates. + * + * The specified crop region applies to all buffers queued after it is called. + * + * If 'crop' is NULL, subsequently queued buffers won't be cropped. + * + * An error is returned if for instance the crop region is invalid, out of the + * buffer's bound or if the window is invalid. + */ +static inline int native_window_set_crop( + struct ANativeWindow* window, + android_native_rect_t const * crop) +{ + return window->perform(window, NATIVE_WINDOW_SET_CROP, crop); +} + +/* + * native_window_set_post_transform_crop(..., crop) + * Sets which region of the next queued buffers needs to be considered. + * Depending on the scaling mode, a buffer's crop region is scaled and/or + * cropped to match the surface's size. This function sets the crop in + * post-transformed pixel coordinates. + * + * The specified crop region applies to all buffers queued after it is called. + * + * If 'crop' is NULL, subsequently queued buffers won't be cropped. + * + * An error is returned if for instance the crop region is invalid, out of the + * buffer's bound or if the window is invalid. + */ +static inline int native_window_set_post_transform_crop( + struct ANativeWindow* window, + android_native_rect_t const * crop) +{ + return window->perform(window, NATIVE_WINDOW_SET_POST_TRANSFORM_CROP, crop); +} + +/* + * native_window_set_active_rect(..., active_rect) + * + * This function is deprecated and will be removed soon. For now it simply + * sets the post-transform crop for compatibility while multi-project commits + * get checked. + */ +static inline int native_window_set_active_rect( + struct ANativeWindow* window, + android_native_rect_t const * active_rect) +{ + return native_window_set_post_transform_crop(window, active_rect); +} + +/* + * native_window_set_buffer_count(..., count) + * Sets the number of buffers associated with this native window. + */ +static inline int native_window_set_buffer_count( + struct ANativeWindow* window, + size_t bufferCount) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFER_COUNT, bufferCount); +} + +/* + * native_window_set_buffers_geometry(..., int w, int h, int format) + * All buffers dequeued after this call will have the dimensions and format + * specified. A successful call to this function has the same effect as calling + * native_window_set_buffers_size and native_window_set_buffers_format. + * + * XXX: This function is deprecated. The native_window_set_buffers_dimensions + * and native_window_set_buffers_format functions should be used instead. + */ +static inline int native_window_set_buffers_geometry( + struct ANativeWindow* window, + int w, int h, int format) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_GEOMETRY, + w, h, format); +} + +/* + * native_window_set_buffers_dimensions(..., int w, int h) + * All buffers dequeued after this call will have the dimensions specified. + * In particular, all buffers will have a fixed-size, independent from the + * native-window size. They will be scaled according to the scaling mode + * (see native_window_set_scaling_mode) upon window composition. + * + * If w and h are 0, the normal behavior is restored. That is, dequeued buffers + * following this call will be sized to match the window's size. + * + * Calling this function will reset the window crop to a NULL value, which + * disables cropping of the buffers. + */ +static inline int native_window_set_buffers_dimensions( + struct ANativeWindow* window, + int w, int h) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS, + w, h); +} + +/* + * native_window_set_buffers_user_dimensions(..., int w, int h) + * + * Sets the user buffer size for the window, which overrides the + * window's size. All buffers dequeued after this call will have the + * dimensions specified unless overridden by + * native_window_set_buffers_dimensions. All buffers will have a + * fixed-size, independent from the native-window size. They will be + * scaled according to the scaling mode (see + * native_window_set_scaling_mode) upon window composition. + * + * If w and h are 0, the normal behavior is restored. That is, the + * default buffer size will match the windows's size. + * + * Calling this function will reset the window crop to a NULL value, which + * disables cropping of the buffers. + */ +static inline int native_window_set_buffers_user_dimensions( + struct ANativeWindow* window, + int w, int h) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS, + w, h); +} + +/* + * native_window_set_buffers_format(..., int format) + * All buffers dequeued after this call will have the format specified. + * + * If the specified format is 0, the default buffer format will be used. + */ +static inline int native_window_set_buffers_format( + struct ANativeWindow* window, + int format) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_FORMAT, format); +} + +/* + * native_window_set_buffers_transform(..., int transform) + * All buffers queued after this call will be displayed transformed according + * to the transform parameter specified. + */ +static inline int native_window_set_buffers_transform( + struct ANativeWindow* window, + int transform) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TRANSFORM, + transform); +} + +/* + * native_window_set_buffers_timestamp(..., int64_t timestamp) + * All buffers queued after this call will be associated with the timestamp + * parameter specified. If the timestamp is set to NATIVE_WINDOW_TIMESTAMP_AUTO + * (the default), timestamps will be generated automatically when queueBuffer is + * called. The timestamp is measured in nanoseconds, and is normally monotonically + * increasing. The timestamp should be unaffected by time-of-day adjustments, + * and for a camera should be strictly monotonic but for a media player may be + * reset when the position is set. + */ +static inline int native_window_set_buffers_timestamp( + struct ANativeWindow* window, + int64_t timestamp) +{ + return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP, + timestamp); +} + +/* + * native_window_set_scaling_mode(..., int mode) + * All buffers queued after this call will be associated with the scaling mode + * specified. + */ +static inline int native_window_set_scaling_mode( + struct ANativeWindow* window, + int mode) +{ + return window->perform(window, NATIVE_WINDOW_SET_SCALING_MODE, + mode); +} + +/* + * native_window_api_connect(..., int api) + * connects an API to this window. only one API can be connected at a time. + * Returns -EINVAL if for some reason the window cannot be connected, which + * can happen if it's connected to some other API. + */ +static inline int native_window_api_connect( + struct ANativeWindow* window, int api) +{ + return window->perform(window, NATIVE_WINDOW_API_CONNECT, api); +} + +/* + * native_window_api_disconnect(..., int api) + * disconnect the API from this window. + * An error is returned if for instance the window wasn't connected in the + * first place. + */ +static inline int native_window_api_disconnect( + struct ANativeWindow* window, int api) +{ + return window->perform(window, NATIVE_WINDOW_API_DISCONNECT, api); +} + +/* + * native_window_dequeue_buffer_and_wait(...) + * Dequeue a buffer and wait on the fence associated with that buffer. The + * buffer may safely be accessed immediately upon this function returning. An + * error is returned if either of the dequeue or the wait operations fail. + */ +static inline int native_window_dequeue_buffer_and_wait(ANativeWindow *anw, + struct ANativeWindowBuffer** anb) { + return anw->dequeueBuffer_DEPRECATED(anw, anb); +} + + +__END_DECLS + +#endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */ -- 2.34.1