drivers/hid/hid-ps3remote.c

   1 /*
   2  * HID driver for Sony PS3 BD Remote Control
   3  *
   4  * Copyright (c) 2012 David Dillow <dave@thedillows.org>
   5  * Based on a blend of the bluez fakehid user-space code by Marcel Holtmann
   6  * and other kernel HID drivers.
   7  */
   8
   9 /*
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by the Free
  12  * Software Foundation; either version 2 of the License, or (at your option)
  13  * any later version.
  14  */
  15
  16 /* NOTE: in order for the Sony PS3 BD Remote Control to be found by
  17  * a Bluetooth host, the key combination Start+Enter has to be kept pressed
  18  * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
  19  *
  20  * There will be no PIN request from the device.
  21  */
  22
  23 #include <linux/device.h>
  24 #include <linux/hid.h>
  25 #include <linux/module.h>
  26
  27 #include "hid-ids.h"
  28
  29 static __u8 ps3remote_rdesc[] = {
  30         0x05, 0x01,          /* GUsagePage Generic Desktop */
  31         0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
  32         0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */
  33
  34          /* Use collection 1 for joypad buttons */
  35          0xA1, 0x02,         /* MCollection Logical (interrelated data) */
  36
  37           /* Ignore the 1st byte, maybe it is used for a controller
  38            * number but it's not needed for correct operation */
  39           0x75, 0x08,        /* GReportSize 0x08 [8] */
  40           0x95, 0x01,        /* GReportCount 0x01 [1] */
  41           0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
  42
  43           /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
  44            * buttons multiple keypresses are allowed */
  45           0x05, 0x09,        /* GUsagePage Button */
  46           0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
  47           0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
  48           0x14,              /* GLogicalMinimum [0] */
  49           0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
  50           0x75, 0x01,        /* GReportSize 0x01 [1] */
  51           0x95, 0x18,        /* GReportCount 0x18 [24] */
  52           0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
  53
  54           0xC0,              /* MEndCollection */
  55
  56          /* Use collection 2 for remote control buttons */
  57          0xA1, 0x02,         /* MCollection Logical (interrelated data) */
  58
  59           /* 5th byte is used for remote control buttons */
  60           0x05, 0x09,        /* GUsagePage Button */
  61           0x18,              /* LUsageMinimum [No button pressed] */
  62           0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
  63           0x14,              /* GLogicalMinimum [0] */
  64           0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
  65           0x75, 0x08,        /* GReportSize 0x08 [8] */
  66           0x95, 0x01,        /* GReportCount 0x01 [1] */
  67           0x80,              /* MInput  */
  68
  69           /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at
  70            * 0xff and 11th is for press indication */
  71           0x75, 0x08,        /* GReportSize 0x08 [8] */
  72           0x95, 0x06,        /* GReportCount 0x06 [6] */
  73           0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */
  74
  75           /* 12th byte is for battery strength */
  76           0x05, 0x06,        /* GUsagePage Generic Device Controls */
  77           0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
  78           0x14,              /* GLogicalMinimum [0] */
  79           0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
  80           0x75, 0x08,        /* GReportSize 0x08 [8] */
  81           0x95, 0x01,        /* GReportCount 0x01 [1] */
  82           0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */
  83
  84           0xC0,              /* MEndCollection */
  85
  86          0xC0                /* MEndCollection [Game Pad] */
  87 };
  88
  89 static const unsigned int ps3remote_keymap_joypad_buttons[] = {
  90         [0x01] = KEY_SELECT,
  91         [0x02] = BTN_THUMBL,            /* L3 */
  92         [0x03] = BTN_THUMBR,            /* R3 */
  93         [0x04] = BTN_START,
  94         [0x05] = KEY_UP,
  95         [0x06] = KEY_RIGHT,
  96         [0x07] = KEY_DOWN,
  97         [0x08] = KEY_LEFT,
  98         [0x09] = BTN_TL2,               /* L2 */
  99         [0x0a] = BTN_TR2,               /* R2 */
 100         [0x0b] = BTN_TL,                /* L1 */
 101         [0x0c] = BTN_TR,                /* R1 */
 102         [0x0d] = KEY_OPTION,            /* options/triangle */
 103         [0x0e] = KEY_BACK,              /* back/circle */
 104         [0x0f] = BTN_0,                 /* cross */
 105         [0x10] = KEY_SCREEN,            /* view/square */
 106         [0x11] = KEY_HOMEPAGE,          /* PS button */
 107         [0x14] = KEY_ENTER,
 108 };
 109 static const unsigned int ps3remote_keymap_remote_buttons[] = {
 110         [0x00] = KEY_1,
 111         [0x01] = KEY_2,
 112         [0x02] = KEY_3,
 113         [0x03] = KEY_4,
 114         [0x04] = KEY_5,
 115         [0x05] = KEY_6,
 116         [0x06] = KEY_7,
 117         [0x07] = KEY_8,
 118         [0x08] = KEY_9,
 119         [0x09] = KEY_0,
 120         [0x0e] = KEY_ESC,               /* return */
 121         [0x0f] = KEY_CLEAR,
 122         [0x16] = KEY_EJECTCD,
 123         [0x1a] = KEY_MENU,              /* top menu */
 124         [0x28] = KEY_TIME,
 125         [0x30] = KEY_PREVIOUS,
 126         [0x31] = KEY_NEXT,
 127         [0x32] = KEY_PLAY,
 128         [0x33] = KEY_REWIND,            /* scan back */
 129         [0x34] = KEY_FORWARD,           /* scan forward */
 130         [0x38] = KEY_STOP,
 131         [0x39] = KEY_PAUSE,
 132         [0x40] = KEY_CONTEXT_MENU,      /* pop up/menu */
 133         [0x60] = KEY_FRAMEBACK,         /* slow/step back */
 134         [0x61] = KEY_FRAMEFORWARD,      /* slow/step forward */
 135         [0x63] = KEY_SUBTITLE,
 136         [0x64] = KEY_AUDIO,
 137         [0x65] = KEY_ANGLE,
 138         [0x70] = KEY_INFO,              /* display */
 139         [0x80] = KEY_BLUE,
 140         [0x81] = KEY_RED,
 141         [0x82] = KEY_GREEN,
 142         [0x83] = KEY_YELLOW,
 143 };
 144
 145 static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc,
 146                              unsigned int *rsize)
 147 {
 148         *rsize = sizeof(ps3remote_rdesc);
 149         return ps3remote_rdesc;
 150 }
 151
 152 static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
 153                              struct hid_field *field, struct hid_usage *usage,
 154                              unsigned long **bit, int *max)
 155 {
 156         unsigned int key = usage->hid & HID_USAGE;
 157
 158         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
 159                 return -1;
 160
 161         switch (usage->collection_index) {
 162         case 1:
 163                 if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
 164                         return -1;
 165
 166                 key = ps3remote_keymap_joypad_buttons[key];
 167                 if (!key)
 168                         return -1;
 169                 break;
 170         case 2:
 171                 if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
 172                         return -1;
 173
 174                 key = ps3remote_keymap_remote_buttons[key];
 175                 if (!key)
 176                         return -1;
 177                 break;
 178         default:
 179                 return -1;
 180         }
 181
 182         hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
 183         return 1;
 184 }
 185
 186 static const struct hid_device_id ps3remote_devices[] = {
 187         /* PS3 BD Remote Control */
 188         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
 189         /* Logitech Harmony Adapter for PS3 */
 190         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
 191         { }
 192 };
 193 MODULE_DEVICE_TABLE(hid, ps3remote_devices);
 194
 195 static struct hid_driver ps3remote_driver = {
 196         .name          = "ps3_remote",
 197         .id_table      = ps3remote_devices,
 198         .report_fixup  = ps3remote_fixup,
 199         .input_mapping = ps3remote_mapping,
 200 };
 201 module_hid_driver(ps3remote_driver);
 202
 203 MODULE_LICENSE("GPL");
 204 MODULE_AUTHOR("David Dillow <dave@thedillows.org>, Antonio Ospite <ospite@studenti.unina.it>");