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kernel/linux-imx6_3.14.28/drivers/hid/hid-tivo.c 2.2 KB
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  /*
   *  HID driver for TiVo Slide Bluetooth remote
   *
   *  Copyright (c) 2011 Jarod Wilson <jarod@redhat.com>
   *  based on the hid-topseed driver, which is in turn, based on hid-cherry...
   */
  
  /*
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 2 of the License, or (at your option)
   * any later version.
   */
  
  #include <linux/device.h>
  #include <linux/hid.h>
  #include <linux/module.h>
  
  #include "hid-ids.h"
  
  #define HID_UP_TIVOVENDOR	0xffff0000
  #define tivo_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
  					EV_KEY, (c))
  
  static int tivo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  		struct hid_field *field, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	switch (usage->hid & HID_USAGE_PAGE) {
  	case HID_UP_TIVOVENDOR:
  		switch (usage->hid & HID_USAGE) {
  		/* TiVo button */
  		case 0x3d: tivo_map_key_clear(KEY_MEDIA);	break;
  		/* Live TV */
  		case 0x3e: tivo_map_key_clear(KEY_TV);		break;
  		/* Red thumbs down */
  		case 0x41: tivo_map_key_clear(KEY_KPMINUS);	break;
  		/* Green thumbs up */
  		case 0x42: tivo_map_key_clear(KEY_KPPLUS);	break;
  		default:
  			return 0;
  		}
  		break;
  	case HID_UP_CONSUMER:
  		switch (usage->hid & HID_USAGE) {
  		/* Enter/Last (default mapping: KEY_LAST) */
  		case 0x083: tivo_map_key_clear(KEY_ENTER);	break;
  		/* Info (default mapping: KEY_PROPS) */
  		case 0x209: tivo_map_key_clear(KEY_INFO);	break;
  		default:
  			return 0;
  		}
  		break;
  	default:
  		return 0;
  	}
  
  	/* This means we found a matching mapping here, else, look in the
  	 * standard hid mappings in hid-input.c */
  	return 1;
  }
  
  static const struct hid_device_id tivo_devices[] = {
  	/* TiVo Slide Bluetooth remote, pairs with a Broadcom dongle */
  	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
  	{ }
  };
  MODULE_DEVICE_TABLE(hid, tivo_devices);
  
  static struct hid_driver tivo_driver = {
  	.name = "tivo_slide",
  	.id_table = tivo_devices,
  	.input_mapping = tivo_input_mapping,
  };
  module_hid_driver(tivo_driver);
  
  MODULE_LICENSE("GPL");
  MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");