drivers/hid/hid-lcpower.c

   1 /*
   2  *  HID driver for LC Power Model RC1000MCE
   3  *
   4  *  Copyright (c) 2011 Chris Schlund
   5  *  based on hid-topseed module
   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 ts_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
  22                                         EV_KEY, (c))
  23 static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  24                 struct hid_field *field, struct hid_usage *usage,
  25                 unsigned long **bit, int *max)
  26 {
  27         if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
  28                 return 0;
  29
  30         switch (usage->hid & HID_USAGE) {
  31         case 0x046: ts_map_key_clear(KEY_YELLOW);         break;
  32         case 0x047: ts_map_key_clear(KEY_GREEN);          break;
  33         case 0x049: ts_map_key_clear(KEY_BLUE);           break;
  34         case 0x04a: ts_map_key_clear(KEY_RED);            break;
  35         case 0x00d: ts_map_key_clear(KEY_HOME);           break;
  36         case 0x025: ts_map_key_clear(KEY_TV);             break;
  37         case 0x048: ts_map_key_clear(KEY_VCR);            break;
  38         case 0x024: ts_map_key_clear(KEY_MENU);           break;
  39         default:
  40         return 0;
  41         }
  42
  43         return 1;
  44 }
  45
  46 static const struct hid_device_id ts_devices[] = {
  47         { HID_USB_DEVICE( USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000) },
  48         { }
  49 };
  50 MODULE_DEVICE_TABLE(hid, ts_devices);
  51
  52 static struct hid_driver ts_driver = {
  53         .name = "LC RC1000MCE",
  54         .id_table = ts_devices,
  55         .input_mapping = ts_input_mapping,
  56 };
  57
  58 static int __init ts_init(void)
  59 {
  60         return hid_register_driver(&ts_driver);
  61 }
  62
  63 static void __exit ts_exit(void)
  64 {
  65         hid_unregister_driver(&ts_driver);
  66 }
  67
  68 module_init(ts_init);
  69 module_exit(ts_exit);
  70 MODULE_LICENSE("GPL");