drivers/hid/hid-tivo.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  HID driver for TiVo Slide Bluetooth remote
   4  *
   5  *  Copyright (c) 2011 Jarod Wilson <jarod@redhat.com>
   6  *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
   7  */
   8
   9 /*
  10  */
  11
  12 #include <linux/device.h>
  13 #include <linux/hid.h>
  14 #include <linux/module.h>
  15
  16 #include "hid-ids.h"
  17
  18 #define HID_UP_TIVOVENDOR       0xffff0000
  19 #define tivo_map_key_clear(c)   hid_map_usage_clear(hi, usage, bit, max, \
  20                                         EV_KEY, (c))
  21
  22 static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  23                 struct hid_field *field, struct hid_usage *usage,
  24                 unsigned long **bit, int *max)
  25 {
  26         switch (usage->hid & HID_USAGE_PAGE) {
  27         case HID_UP_TIVOVENDOR:
  28                 switch (usage->hid & HID_USAGE) {
  29                 /* TiVo button */
  30                 case 0x3d: tivo_map_key_clear(KEY_MEDIA);       break;
  31                 /* Live TV */
  32                 case 0x3e: tivo_map_key_clear(KEY_TV);          break;
  33                 /* Red thumbs down */
  34                 case 0x41: tivo_map_key_clear(KEY_KPMINUS);     break;
  35                 /* Green thumbs up */
  36                 case 0x42: tivo_map_key_clear(KEY_KPPLUS);      break;
  37                 default:
  38                         return 0;
  39                 }
  40                 break;
  41         case HID_UP_CONSUMER:
  42                 switch (usage->hid & HID_USAGE) {
  43                 /* Enter/Last (default mapping: KEY_LAST) */
  44                 case 0x083: tivo_map_key_clear(KEY_ENTER);      break;
  45                 /* Info (default mapping: KEY_PROPS) */
  46                 case 0x209: tivo_map_key_clear(KEY_INFO);       break;
  47                 default:
  48                         return 0;
  49                 }
  50                 break;
  51         default:
  52                 return 0;
  53         }
  54
  55         /* This means we found a matching mapping here, else, look in the
  56          * standard hid mappings in hid-input.c */
  57         return 1;
  58 }
  59
  60 static const struct hid_device_id tivo_devices[] = {
  61         /* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
  62         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
  63         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
  64         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
  65         { }
  66 };
  67 MODULE_DEVICE_TABLE(hid, tivo_devices);
  68
  69 static struct hid_driver tivo_driver = {
  70         .name = "tivo_slide",
  71         .id_table = tivo_devices,
  72         .input_mapping = tivo_input_mapping,
  73 };
  74 module_hid_driver(tivo_driver);
  75
  76 MODULE_LICENSE("GPL");
  77 MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");