Commit | Line | Data |
---|---|---|
abbca718 LOK |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
b492c10e | 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
abbca718 LOK |
5 | * libCEC(R) is an original work, containing original code. |
6 | * | |
7 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
8 | * | |
9 | * This program is dual-licensed; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
22 | * | |
23 | * | |
24 | * Alternatively, you can license this library under a commercial license, | |
25 | * please contact Pulse-Eight Licensing for more information. | |
26 | * | |
27 | * For more information contact: | |
28 | * Pulse-Eight Licensing <license@pulse-eight.com> | |
29 | * http://www.pulse-eight.com/ | |
30 | * http://www.pulse-eight.net/ | |
31 | */ | |
32 | ||
2b44051c | 33 | #include "env.h" |
7bb4ed43 | 34 | #include "USBCECAdapterDetection.h" |
2b44051c | 35 | #include "lib/platform/util/StdString.h" |
a58d63d2 | 36 | |
6df2c52f | 37 | #if defined(__APPLE__) |
38 | #include <dirent.h> | |
39 | #include <sys/param.h> | |
40 | #include <IOKit/IOKitLib.h> | |
41 | #include <IOKit/IOMessage.h> | |
42 | #include <IOKit/IOCFPlugIn.h> | |
43 | #include <IOKit/usb/IOUSBLib.h> | |
44 | #include <IOKit/serial/IOSerialKeys.h> | |
45 | #include <CoreFoundation/CoreFoundation.h> | |
42c02563 | 46 | #elif defined(__WINDOWS__) |
4d760b54 LOK |
47 | #pragma comment(lib, "advapi32.lib") |
48 | #pragma comment(lib, "setupapi.lib") | |
a58d63d2 LOK |
49 | #include <setupapi.h> |
50 | ||
51 | // the virtual COM port only shows up when requesting devices with the raw device guid! | |
52 | static GUID USB_RAW_GUID = { 0xA5DCBF10, 0x6530, 0x11D2, { 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED } }; | |
42c02563 LOK |
53 | #elif defined(HAVE_LIBUDEV) |
54 | #include <dirent.h> | |
42c02563 | 55 | #include <poll.h> |
5fa3eb86 LOK |
56 | extern "C" { |
57 | #include <libudev.h> | |
58 | } | |
5458fd77 F |
59 | #elif defined(__FreeBSD__) |
60 | #include <stdio.h> | |
61 | #include <unistd.h> | |
abbca718 | 62 | #endif |
abbca718 | 63 | |
afee62c6 LOK |
64 | #define CEC_VID 0x2548 |
65 | #define CEC_PID 0x1001 | |
66 | #define CEC_PID2 0x1002 | |
abbca718 LOK |
67 | |
68 | using namespace CEC; | |
69 | using namespace std; | |
70 | ||
42c02563 | 71 | #if defined(HAVE_LIBUDEV) |
abbca718 LOK |
72 | bool TranslateComPort(CStdString &strString) |
73 | { | |
74 | CStdString strTmp(strString); | |
75 | strTmp.MakeReverse(); | |
76 | int iSlash = strTmp.Find('/'); | |
77 | if (iSlash >= 0) | |
78 | { | |
79 | strTmp = strTmp.Left(iSlash); | |
80 | strTmp.MakeReverse(); | |
81 | strString.Format("%s/%s:1.0/tty", strString.c_str(), strTmp.c_str()); | |
82 | return true; | |
83 | } | |
84 | ||
85 | return false; | |
86 | } | |
87 | ||
88 | bool FindComPort(CStdString &strLocation) | |
89 | { | |
90 | CStdString strPort = strLocation; | |
91 | bool bReturn(!strPort.IsEmpty()); | |
92 | CStdString strConfigLocation(strLocation); | |
93 | if (TranslateComPort(strConfigLocation)) | |
94 | { | |
95 | DIR *dir; | |
96 | struct dirent *dirent; | |
97 | if((dir = opendir(strConfigLocation.c_str())) == NULL) | |
98 | return bReturn; | |
99 | ||
100 | while ((dirent = readdir(dir)) != NULL) | |
101 | { | |
102 | if(strcmp((char*)dirent->d_name, "." ) != 0 && strcmp((char*)dirent->d_name, ".." ) != 0) | |
103 | { | |
104 | strPort.Format("/dev/%s", dirent->d_name); | |
105 | if (!strPort.IsEmpty()) | |
106 | { | |
107 | strLocation = strPort; | |
108 | bReturn = true; | |
109 | break; | |
110 | } | |
111 | } | |
112 | } | |
113 | closedir(dir); | |
114 | } | |
115 | ||
116 | return bReturn; | |
117 | } | |
118 | #endif | |
119 | ||
6807ee55 LOK |
120 | bool CUSBCECAdapterDetection::CanAutodetect(void) |
121 | { | |
122 | #if defined(__APPLE__) || defined(HAVE_LIBUDEV) || defined(__WINDOWS__) || defined(__FreeBSD__) | |
123 | return true; | |
124 | #else | |
125 | return false; | |
126 | #endif | |
127 | } | |
128 | ||
7bb4ed43 | 129 | uint8_t CUSBCECAdapterDetection::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */) |
abbca718 | 130 | { |
25701fa6 | 131 | uint8_t iFound(0); |
abbca718 | 132 | |
6df2c52f | 133 | #if defined(__APPLE__) |
134 | kern_return_t kresult; | |
135 | char bsdPath[MAXPATHLEN] = {0}; | |
136 | io_iterator_t serialPortIterator; | |
137 | ||
138 | CFMutableDictionaryRef classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue); | |
139 | if (classesToMatch) | |
140 | { | |
141 | CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey), CFSTR(kIOSerialBSDModemType)); | |
142 | kresult = IOServiceGetMatchingServices(kIOMasterPortDefault, classesToMatch, &serialPortIterator); | |
143 | if (kresult == KERN_SUCCESS) | |
144 | { | |
145 | io_object_t serialService; | |
146 | while ((serialService = IOIteratorNext(serialPortIterator))) | |
147 | { | |
148 | int iVendor = 0, iProduct = 0; | |
149 | CFTypeRef bsdPathAsCFString; | |
150 | ||
151 | // fetch the device path. | |
152 | bsdPathAsCFString = IORegistryEntryCreateCFProperty(serialService, | |
153 | CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0); | |
154 | if (bsdPathAsCFString) | |
155 | { | |
156 | // convert the path from a CFString to a C (NUL-terminated) string. | |
157 | CFStringGetCString((CFStringRef)bsdPathAsCFString, bsdPath, MAXPATHLEN - 1, kCFStringEncodingUTF8); | |
158 | CFRelease(bsdPathAsCFString); | |
159 | ||
160 | // now walk up the hierarchy until we find the entry with vendor/product IDs | |
161 | io_registry_entry_t parent; | |
162 | CFTypeRef vendorIdAsCFNumber = NULL; | |
163 | CFTypeRef productIdAsCFNumber = NULL; | |
164 | kern_return_t kresult = IORegistryEntryGetParentEntry(serialService, kIOServicePlane, &parent); | |
165 | while (kresult == KERN_SUCCESS) | |
166 | { | |
167 | vendorIdAsCFNumber = IORegistryEntrySearchCFProperty(parent, | |
168 | kIOServicePlane, CFSTR(kUSBVendorID), kCFAllocatorDefault, 0); | |
169 | productIdAsCFNumber = IORegistryEntrySearchCFProperty(parent, | |
170 | kIOServicePlane, CFSTR(kUSBProductID), kCFAllocatorDefault, 0); | |
171 | if (vendorIdAsCFNumber && productIdAsCFNumber) | |
172 | { | |
173 | CFNumberGetValue((CFNumberRef)vendorIdAsCFNumber, kCFNumberIntType, &iVendor); | |
174 | CFRelease(vendorIdAsCFNumber); | |
175 | CFNumberGetValue((CFNumberRef)productIdAsCFNumber, kCFNumberIntType, &iProduct); | |
176 | CFRelease(productIdAsCFNumber); | |
177 | IOObjectRelease(parent); | |
178 | break; | |
179 | } | |
180 | io_registry_entry_t oldparent = parent; | |
181 | kresult = IORegistryEntryGetParentEntry(parent, kIOServicePlane, &parent); | |
182 | IOObjectRelease(oldparent); | |
183 | } | |
afee62c6 | 184 | if (strlen(bsdPath) && iVendor == CEC_VID && (iProduct == CEC_PID || iProduct == CEC_PID2)) |
6df2c52f | 185 | { |
186 | if (!strDevicePath || !strcmp(bsdPath, strDevicePath)) | |
187 | { | |
188 | // on darwin, the device path is the same as the comm path. | |
41b12347 LOK |
189 | if (iFound == 0 || strcmp(deviceList[iFound].comm, bsdPath)) |
190 | { | |
191 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", bsdPath); | |
192 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", bsdPath); | |
193 | } | |
6df2c52f | 194 | } |
195 | } | |
196 | } | |
41b12347 | 197 | IOObjectRelease(serialService); |
6df2c52f | 198 | } |
199 | } | |
200 | IOObjectRelease(serialPortIterator); | |
201 | } | |
42c02563 | 202 | #elif defined(HAVE_LIBUDEV) |
abbca718 LOK |
203 | struct udev *udev; |
204 | if (!(udev = udev_new())) | |
205 | return -1; | |
206 | ||
207 | struct udev_enumerate *enumerate; | |
208 | struct udev_list_entry *devices, *dev_list_entry; | |
25701fa6 | 209 | struct udev_device *dev, *pdev; |
abbca718 LOK |
210 | enumerate = udev_enumerate_new(udev); |
211 | udev_enumerate_scan_devices(enumerate); | |
212 | devices = udev_enumerate_get_list_entry(enumerate); | |
213 | udev_list_entry_foreach(dev_list_entry, devices) | |
214 | { | |
215 | const char *strPath; | |
216 | strPath = udev_list_entry_get_name(dev_list_entry); | |
217 | ||
218 | dev = udev_device_new_from_syspath(udev, strPath); | |
219 | if (!dev) | |
220 | continue; | |
221 | ||
25701fa6 LOK |
222 | pdev = udev_device_get_parent(udev_device_get_parent(dev)); |
223 | if (!pdev || !udev_device_get_sysattr_value(pdev,"idVendor") || !udev_device_get_sysattr_value(pdev, "idProduct")) | |
abbca718 LOK |
224 | { |
225 | udev_device_unref(dev); | |
226 | continue; | |
227 | } | |
228 | ||
229 | int iVendor, iProduct; | |
25701fa6 LOK |
230 | sscanf(udev_device_get_sysattr_value(pdev, "idVendor"), "%x", &iVendor); |
231 | sscanf(udev_device_get_sysattr_value(pdev, "idProduct"), "%x", &iProduct); | |
afee62c6 | 232 | if (iVendor == CEC_VID && (iProduct == CEC_PID || iProduct == CEC_PID2)) |
abbca718 | 233 | { |
25701fa6 LOK |
234 | CStdString strPath(udev_device_get_syspath(pdev)); |
235 | if (!strDevicePath || !strcmp(strPath.c_str(), strDevicePath)) | |
abbca718 | 236 | { |
25701fa6 | 237 | CStdString strComm(strPath); |
41b12347 | 238 | if (FindComPort(strComm) && (iFound == 0 || strcmp(deviceList[iFound].comm, strComm.c_str()))) |
25701fa6 LOK |
239 | { |
240 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", strPath.c_str()); | |
241 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", strComm.c_str()); | |
242 | } | |
abbca718 LOK |
243 | } |
244 | } | |
245 | udev_device_unref(dev); | |
246 | } | |
247 | ||
248 | udev_enumerate_unref(enumerate); | |
249 | udev_unref(udev); | |
42c02563 | 250 | #elif defined(__WINDOWS__) |
a58d63d2 LOK |
251 | HDEVINFO hDevHandle; |
252 | DWORD required = 0, iMemberIndex = 0; | |
253 | int nBufferSize = 0; | |
254 | ||
255 | SP_DEVICE_INTERFACE_DATA deviceInterfaceData; | |
256 | deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); | |
257 | ||
258 | SP_DEVINFO_DATA devInfoData; | |
259 | devInfoData.cbSize = sizeof(SP_DEVINFO_DATA); | |
260 | ||
261 | if ((hDevHandle = SetupDiGetClassDevs(&USB_RAW_GUID, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE)) == INVALID_HANDLE_VALUE) | |
262 | return iFound; | |
263 | ||
264 | BOOL bResult = true; | |
265 | TCHAR *buffer = NULL; | |
266 | PSP_DEVICE_INTERFACE_DETAIL_DATA devicedetailData; | |
25701fa6 | 267 | while(bResult && iFound < iBufSize) |
a58d63d2 LOK |
268 | { |
269 | bResult = SetupDiEnumDeviceInfo(hDevHandle, iMemberIndex, &devInfoData); | |
270 | ||
271 | if (bResult) | |
272 | bResult = SetupDiEnumDeviceInterfaces(hDevHandle, 0, &USB_RAW_GUID, iMemberIndex, &deviceInterfaceData); | |
273 | ||
274 | if(!bResult) | |
275 | { | |
276 | SetupDiDestroyDeviceInfoList(hDevHandle); | |
277 | delete []buffer; | |
278 | buffer = NULL; | |
279 | return iFound; | |
280 | } | |
281 | ||
282 | iMemberIndex++; | |
283 | BOOL bDetailResult = false; | |
284 | { | |
285 | // As per MSDN, Get the required buffer size. Call SetupDiGetDeviceInterfaceDetail with a | |
286 | // NULL DeviceInterfaceDetailData pointer, a DeviceInterfaceDetailDataSize of zero, | |
287 | // and a valid RequiredSize variable. In response to such a call, this function returns | |
288 | // the required buffer size at RequiredSize and fails with GetLastError returning | |
289 | // ERROR_INSUFFICIENT_BUFFER. | |
290 | // Allocate an appropriately sized buffer and call the function again to get the interface details. | |
291 | ||
292 | SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, NULL, 0, &required, NULL); | |
293 | ||
294 | buffer = new TCHAR[required]; | |
295 | devicedetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA) buffer; | |
296 | devicedetailData->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA); | |
297 | nBufferSize = required; | |
298 | } | |
299 | ||
300 | bDetailResult = SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, devicedetailData, nBufferSize , &required, NULL); | |
301 | if(!bDetailResult) | |
302 | continue; | |
303 | ||
b824eadc LOK |
304 | if (strDevicePath && strcmp(strDevicePath, devicedetailData->DevicePath) != 0) |
305 | continue; | |
306 | ||
a58d63d2 LOK |
307 | CStdString strVendorId; |
308 | CStdString strProductId; | |
309 | CStdString strTmp(devicedetailData->DevicePath); | |
25701fa6 LOK |
310 | strVendorId.assign(strTmp.substr(strTmp.Find("vid_") + 4, 4)); |
311 | strProductId.assign(strTmp.substr(strTmp.Find("pid_") + 4, 4)); | |
a58d63d2 LOK |
312 | if (strTmp.Find("&mi_") >= 0 && strTmp.Find("&mi_00") < 0) |
313 | continue; | |
314 | ||
315 | int iVendor, iProduct; | |
316 | sscanf(strVendorId, "%x", &iVendor); | |
317 | sscanf(strProductId, "%x", &iProduct); | |
afee62c6 | 318 | if (iVendor != CEC_VID || (iProduct != CEC_PID && iProduct != CEC_PID2)) |
a58d63d2 LOK |
319 | continue; |
320 | ||
321 | HKEY hDeviceKey = SetupDiOpenDevRegKey(hDevHandle, &devInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE); | |
322 | if (!hDeviceKey) | |
323 | continue; | |
324 | ||
325 | TCHAR strPortName[256]; | |
326 | strPortName[0] = _T('\0'); | |
327 | DWORD dwSize = sizeof(strPortName); | |
328 | DWORD dwType = 0; | |
329 | ||
330 | /* search the registry */ | |
331 | if ((RegQueryValueEx(hDeviceKey, _T("PortName"), NULL, &dwType, reinterpret_cast<LPBYTE>(strPortName), &dwSize) == ERROR_SUCCESS) && (dwType == REG_SZ)) | |
332 | { | |
333 | if (_tcslen(strPortName) > 3 && _tcsnicmp(strPortName, _T("COM"), 3) == 0 && | |
334 | _ttoi(&(strPortName[3])) > 0) | |
335 | { | |
25701fa6 LOK |
336 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", devicedetailData->DevicePath); |
337 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", strPortName); | |
a58d63d2 LOK |
338 | } |
339 | } | |
340 | ||
341 | RegCloseKey(hDeviceKey); | |
342 | } | |
5458fd77 F |
343 | #elif defined(__FreeBSD__) |
344 | char devicePath[PATH_MAX + 1]; | |
345 | int i; | |
346 | ||
347 | for (i = 0; i < 8; ++i) | |
348 | { | |
349 | (void)snprintf(devicePath, sizeof(devicePath), "/dev/ttyU%d", i); | |
c7bee84a F |
350 | if (!access(devicePath, 0)) |
351 | { | |
352 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", devicePath); | |
353 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", devicePath); | |
354 | } | |
5458fd77 | 355 | } |
2b44051c LOK |
356 | #else |
357 | //silence "unused" warnings | |
358 | void *tmp = (void*)deviceList; | |
359 | tmp = (void *)strDevicePath; | |
abbca718 LOK |
360 | #endif |
361 | ||
1de6617c LOK |
362 | iBufSize = 0; /* silence "unused" warning on linux/osx */ |
363 | ||
abbca718 LOK |
364 | return iFound; |
365 | } |