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Linux/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>");
 80 

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