drivers/hid/hid-tivo.c

   1 /*
   2  *  HID driver for TiVo Slide Bluetooth remote
   3  *
   4  *  Copyright (c) 2011 Jarod Wilson <jarod@redhat.com>
   5  *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
   6  */
   7
   8 /*
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by the Free
  11  * Software Foundation; either version 2 of the License, or (at your option)
  12  * any later version.
  13  */
  14
  15 #include <linux/device.h>
  16 #include <linux/hid.h>
  17 #include <linux/module.h>
  18
  19 #include "hid-ids.h"
  20
  21 #define HID_UP_TIVOVENDOR       0xffff0000
  22 #define tivo_map_key_clear(c)   hid_map_usage_clear(hi, usage, bit, max, \
  23                                         EV_KEY, (c))
  24
  25 static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  26                 struct hid_field *field, struct hid_usage *usage,
  27                 unsigned long **bit, int *max)
  28 {
  29         switch (usage->hid & HID_USAGE_PAGE) {
  30         case HID_UP_TIVOVENDOR:
  31                 switch (usage->hid & HID_USAGE) {
  32                 /* TiVo button */
  33                 case 0x3d: tivo_map_key_clear(KEY_MEDIA);       break;
  34                 /* Live TV */
  35                 case 0x3e: tivo_map_key_clear(KEY_TV);          break;
  36                 /* Red thumbs down */
  37                 case 0x41: tivo_map_key_clear(KEY_KPMINUS);     break;
  38                 /* Green thumbs up */
  39                 case 0x42: tivo_map_key_clear(KEY_KPPLUS);      break;
  40                 default:
  41                         return 0;
  42                 }
  43                 break;
  44         case HID_UP_CONSUMER:
  45                 switch (usage->hid & HID_USAGE) {
  46                 /* Enter/Last (default mapping: KEY_LAST) */
  47                 case 0x083: tivo_map_key_clear(KEY_ENTER);      break;
  48                 /* Info (default mapping: KEY_PROPS) */
  49                 case 0x209: tivo_map_key_clear(KEY_INFO);       break;
  50                 default:
  51                         return 0;
  52                 }
  53                 break;
  54         default:
  55                 return 0;
  56         }
  57
  58         /* This means we found a matching mapping here, else, look in the
  59          * standard hid mappings in hid-input.c */
  60         return 1;
  61 }
  62
  63 static const struct hid_device_id tivo_devices[] = {
  64         /* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
  65         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
  66         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
  67         { }
  68 };
  69 MODULE_DEVICE_TABLE(hid, tivo_devices);
  70
  71 static struct hid_driver tivo_driver = {
  72         .name = "tivo_slide",
  73         .id_table = tivo_devices,
  74         .input_mapping = tivo_input_mapping,
  75 };
  76 module_hid_driver(tivo_driver);
  77
  78 MODULE_LICENSE("GPL");
  79 MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");