linux/drivers/hid/hid-twinhan.c

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/*
* HID driver for TwinHan IR remote control
*
* Based on hid-gyration.c
*
* Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org>
*/
/*
* 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.
*/
#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
/* Remote control key layout + listing:
*
* Full Screen Power
* KEY_SCREEN KEY_POWER2
*
* 1 2 3
* KEY_NUMERIC_1 KEY_NUMERIC_2 KEY_NUMERIC_3
*
* 4 5 6
* KEY_NUMERIC_4 KEY_NUMERIC_5 KEY_NUMERIC_6
*
* 7 8 9
* KEY_NUMERIC_7 KEY_NUMERIC_8 KEY_NUMERIC_9
*
* REC 0 Favorite
* KEY_RECORD KEY_NUMERIC_0 KEY_FAVORITES
*
* Rewind Forward
* KEY_REWIND CH+ KEY_FORWARD
* KEY_CHANNELUP
*
* VOL- > VOL+
* KEY_VOLUMEDOWN KEY_PLAY KEY_VOLUMEUP
*
* CH-
* KEY_CHANNELDOWN
* Recall Stop
* KEY_RESTART KEY_STOP
*
* Timeshift/Pause Mute Cancel
* KEY_PAUSE KEY_MUTE KEY_CANCEL
*
* Capture Preview EPG
* KEY_PRINT KEY_PROGRAM KEY_EPG
*
* Record List Tab Teletext
* KEY_LIST KEY_TAB KEY_TEXT
*/
#define th_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int twinhan_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD)
return 0;
switch (usage->hid & HID_USAGE) {
/* Map all keys from Twinhan Remote */
case 0x004: th_map_key_clear(KEY_TEXT); break;
case 0x006: th_map_key_clear(KEY_RESTART); break;
case 0x008: th_map_key_clear(KEY_EPG); break;
case 0x00c: th_map_key_clear(KEY_REWIND); break;
case 0x00e: th_map_key_clear(KEY_PROGRAM); break;
case 0x00f: th_map_key_clear(KEY_LIST); break;
case 0x010: th_map_key_clear(KEY_MUTE); break;
case 0x011: th_map_key_clear(KEY_FORWARD); break;
case 0x013: th_map_key_clear(KEY_PRINT); break;
case 0x017: th_map_key_clear(KEY_PAUSE); break;
case 0x019: th_map_key_clear(KEY_FAVORITES); break;
case 0x01d: th_map_key_clear(KEY_SCREEN); break;
case 0x01e: th_map_key_clear(KEY_NUMERIC_1); break;
case 0x01f: th_map_key_clear(KEY_NUMERIC_2); break;
case 0x020: th_map_key_clear(KEY_NUMERIC_3); break;
case 0x021: th_map_key_clear(KEY_NUMERIC_4); break;
case 0x022: th_map_key_clear(KEY_NUMERIC_5); break;
case 0x023: th_map_key_clear(KEY_NUMERIC_6); break;
case 0x024: th_map_key_clear(KEY_NUMERIC_7); break;
case 0x025: th_map_key_clear(KEY_NUMERIC_8); break;
case 0x026: th_map_key_clear(KEY_NUMERIC_9); break;
case 0x027: th_map_key_clear(KEY_NUMERIC_0); break;
case 0x028: th_map_key_clear(KEY_PLAY); break;
case 0x029: th_map_key_clear(KEY_CANCEL); break;
case 0x02b: th_map_key_clear(KEY_TAB); break;
/* Power = 0x0e0 + 0x0e1 + 0x0e2 + 0x03f */
case 0x03f: th_map_key_clear(KEY_POWER2); break;
case 0x04a: th_map_key_clear(KEY_RECORD); break;
case 0x04b: th_map_key_clear(KEY_CHANNELUP); break;
case 0x04d: th_map_key_clear(KEY_STOP); break;
case 0x04e: th_map_key_clear(KEY_CHANNELDOWN); break;
/* Volume down = 0x0e1 + 0x051 */
case 0x051: th_map_key_clear(KEY_VOLUMEDOWN); break;
/* Volume up = 0x0e1 + 0x052 */
case 0x052: th_map_key_clear(KEY_VOLUMEUP); break;
/* Kill the extra keys used for multi-key "power" and "volume" keys
* as well as continuously to release CTRL,ALT,META,... keys */
case 0x0e0:
case 0x0e1:
case 0x0e2:
case 0x0e3:
case 0x0e4:
case 0x0e5:
case 0x0e6:
case 0x0e7:
default:
return -1;
}
return 1;
}
static const struct hid_device_id twinhan_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
{ }
};
MODULE_DEVICE_TABLE(hid, twinhan_devices);
static struct hid_driver twinhan_driver = {
.name = "twinhan",
.id_table = twinhan_devices,
.input_mapping = twinhan_input_mapping,
};
module_hid_driver(twinhan_driver);
MODULE_LICENSE("GPL");