| 1 | /* |
| 2 | * Copyright 2002 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Rickard E. (Rik) Faith <faith@redhat.com> |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /** \file |
| 35 | * |
| 36 | * This code implements a low-level device driver for a non-keyboard, |
| 37 | * non-mouse USB device (e.g., a joystick or gamepad). */ |
| 38 | |
| 39 | #ifdef HAVE_DMX_CONFIG_H |
| 40 | #include <dmx-config.h> |
| 41 | #endif |
| 42 | |
| 43 | #include "usb-private.h" |
| 44 | |
| 45 | /*****************************************************************************/ |
| 46 | /* Define some macros to make it easier to move this file to another |
| 47 | * part of the Xserver tree. All calls to the dmx* layer are #defined |
| 48 | * here for the .c file. The .h file will also have to be edited. */ |
| 49 | #include "dmxinputinit.h" |
| 50 | #include "usb-other.h" |
| 51 | |
| 52 | #define GETPRIV myPrivate *priv \ |
| 53 | = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private |
| 54 | |
| 55 | #define LOG0(f) dmxLog(dmxDebug,f) |
| 56 | #define LOG1(f,a) dmxLog(dmxDebug,f,a) |
| 57 | #define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b) |
| 58 | #define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c) |
| 59 | #define FATAL0(f) dmxLog(dmxFatal,f) |
| 60 | #define FATAL1(f,a) dmxLog(dmxFatal,f,a) |
| 61 | #define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b) |
| 62 | #define MOTIONPROC dmxMotionProcPtr |
| 63 | #define ENQUEUEPROC dmxEnqueueProcPtr |
| 64 | #define CHECKPROC dmxCheckSpecialProcPtr |
| 65 | #define BLOCK DMXBlockType |
| 66 | |
| 67 | /* End of interface definitions. */ |
| 68 | /*****************************************************************************/ |
| 69 | |
| 70 | /** Read the USB device using #usbRead. */ |
| 71 | void |
| 72 | othUSBRead(DevicePtr pDev, |
| 73 | MOTIONPROC motion, |
| 74 | ENQUEUEPROC enqueue, CHECKPROC checkspecial, BLOCK block) |
| 75 | { |
| 76 | usbRead(pDev, motion, enqueue, 0xffff, block); |
| 77 | } |
| 78 | |
| 79 | /** Initialize \a pDev using #usbInit. */ |
| 80 | void |
| 81 | othUSBInit(DevicePtr pDev) |
| 82 | { |
| 83 | usbInit(pDev, usbOther); |
| 84 | } |
| 85 | |
| 86 | /** Turn \a pDev on (i.e., take input from \a pDev). */ |
| 87 | int |
| 88 | othUSBOn(DevicePtr pDev) |
| 89 | { |
| 90 | GETPRIV; |
| 91 | |
| 92 | if (priv->fd < 0) |
| 93 | othUSBInit(pDev); |
| 94 | return priv->fd; |
| 95 | } |
| 96 | |
| 97 | /** Fill the \a info structure with information needed to initialize \a |
| 98 | * pDev. */ |
| 99 | void |
| 100 | othUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) |
| 101 | { |
| 102 | GETPRIV; |
| 103 | int i, j; |
| 104 | static KeySym keyboard_mapping = NoSymbol; |
| 105 | int absolute[5]; |
| 106 | |
| 107 | #define test_bit(bit) (priv->mask[(bit)/8] & (1 << ((bit)%8))) |
| 108 | |
| 109 | /* Some USB mice devices return key |
| 110 | * events from their pair'd |
| 111 | * keyboard... */ |
| 112 | info->keyClass = 1; |
| 113 | info->keySyms.minKeyCode = 8; |
| 114 | info->keySyms.maxKeyCode = 8; |
| 115 | info->keySyms.mapWidth = 1; |
| 116 | info->keySyms.map = &keyboard_mapping; |
| 117 | |
| 118 | for (i = 0; i < EV_MAX; i++) { |
| 119 | if (test_bit(i)) { |
| 120 | switch (i) { |
| 121 | case EV_KEY: |
| 122 | /* See above */ |
| 123 | break; |
| 124 | case EV_REL: |
| 125 | info->valuatorClass = 1; |
| 126 | if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) { |
| 127 | info->numRelAxes = DMX_MAX_AXES - info->numAbsAxes - 1; |
| 128 | dmxLog(dmxWarning, "Can only use %d relative axes\n", |
| 129 | info->numRelAxes); |
| 130 | } |
| 131 | else |
| 132 | info->numRelAxes = priv->numRel; |
| 133 | info->minval[0] = 0; |
| 134 | info->maxval[0] = 0; |
| 135 | info->res[0] = 1; |
| 136 | info->minres[0] = 0; |
| 137 | info->maxres[0] = 1; |
| 138 | break; |
| 139 | case EV_ABS: |
| 140 | info->valuatorClass = 1; |
| 141 | if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) { |
| 142 | info->numAbsAxes = DMX_MAX_AXES - info->numRelAxes - 1; |
| 143 | dmxLog(dmxWarning, "Can only use %d absolute axes\n", |
| 144 | info->numAbsAxes); |
| 145 | } |
| 146 | else |
| 147 | info->numAbsAxes = priv->numAbs; |
| 148 | for (j = 0; j < info->numAbsAxes; j++) { |
| 149 | ioctl(priv->fd, EVIOCGABS(j), absolute); |
| 150 | info->minval[1 + j] = absolute[1]; |
| 151 | info->maxval[1 + j] = absolute[2]; |
| 152 | info->res[1 + j] = absolute[3]; |
| 153 | info->minres[1 + j] = absolute[3]; |
| 154 | info->maxres[1 + j] = absolute[3]; |
| 155 | } |
| 156 | break; |
| 157 | case EV_LED: |
| 158 | info->ledFeedbackClass = 0; /* Not supported at this time */ |
| 159 | break; |
| 160 | case EV_SND: |
| 161 | info->belFeedbackClass = 0; /* Not supported at this time */ |
| 162 | break; |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | } |