LXR linux/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
  22static 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
  60static 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};
  67MODULE_DEVICE_TABLE(hid, tivo_devices);
  68
  69static struct hid_driver tivo_driver = {
  70        .name = "tivo_slide",
  71        .id_table = tivo_devices,
  72        .input_mapping = tivo_input_mapping,
  73};
  74module_hid_driver(tivo_driver);
  75
  76MODULE_LICENSE("GPL");
  77MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
  78