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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * HID driver for TwinHan IR remote control4 *5 * Based on hid-gyration.c6 *7 * Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org>8 */9 10/*11 */12 13#include <linux/device.h>14#include <linux/input.h>15#include <linux/hid.h>16#include <linux/module.h>17 18#include "hid-ids.h"19 20/* Remote control key layout + listing:21 *22 * Full Screen Power23 * KEY_SCREEN KEY_POWER224 *25 * 1 2 326 * KEY_NUMERIC_1 KEY_NUMERIC_2 KEY_NUMERIC_327 *28 * 4 5 629 * KEY_NUMERIC_4 KEY_NUMERIC_5 KEY_NUMERIC_630 *31 * 7 8 932 * KEY_NUMERIC_7 KEY_NUMERIC_8 KEY_NUMERIC_933 *34 * REC 0 Favorite35 * KEY_RECORD KEY_NUMERIC_0 KEY_FAVORITES36 *37 * Rewind Forward38 * KEY_REWIND CH+ KEY_FORWARD39 * KEY_CHANNELUP40 *41 * VOL- > VOL+42 * KEY_VOLUMEDOWN KEY_PLAY KEY_VOLUMEUP43 *44 * CH-45 * KEY_CHANNELDOWN46 * Recall Stop47 * KEY_RESTART KEY_STOP48 *49 * Timeshift/Pause Mute Cancel50 * KEY_PAUSE KEY_MUTE KEY_CANCEL51 *52 * Capture Preview EPG53 * KEY_PRINT KEY_PROGRAM KEY_EPG54 *55 * Record List Tab Teletext56 * KEY_LIST KEY_TAB KEY_TEXT57 */58 59#define th_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \60 EV_KEY, (c))61static int twinhan_input_mapping(struct hid_device *hdev, struct hid_input *hi,62 struct hid_field *field, struct hid_usage *usage,63 unsigned long **bit, int *max)64{65 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD)66 return 0;67 68 switch (usage->hid & HID_USAGE) {69 /* Map all keys from Twinhan Remote */70 case 0x004: th_map_key_clear(KEY_TEXT); break;71 case 0x006: th_map_key_clear(KEY_RESTART); break;72 case 0x008: th_map_key_clear(KEY_EPG); break;73 case 0x00c: th_map_key_clear(KEY_REWIND); break;74 case 0x00e: th_map_key_clear(KEY_PROGRAM); break;75 case 0x00f: th_map_key_clear(KEY_LIST); break;76 case 0x010: th_map_key_clear(KEY_MUTE); break;77 case 0x011: th_map_key_clear(KEY_FORWARD); break;78 case 0x013: th_map_key_clear(KEY_PRINT); break;79 case 0x017: th_map_key_clear(KEY_PAUSE); break;80 case 0x019: th_map_key_clear(KEY_FAVORITES); break;81 case 0x01d: th_map_key_clear(KEY_SCREEN); break;82 case 0x01e: th_map_key_clear(KEY_NUMERIC_1); break;83 case 0x01f: th_map_key_clear(KEY_NUMERIC_2); break;84 case 0x020: th_map_key_clear(KEY_NUMERIC_3); break;85 case 0x021: th_map_key_clear(KEY_NUMERIC_4); break;86 case 0x022: th_map_key_clear(KEY_NUMERIC_5); break;87 case 0x023: th_map_key_clear(KEY_NUMERIC_6); break;88 case 0x024: th_map_key_clear(KEY_NUMERIC_7); break;89 case 0x025: th_map_key_clear(KEY_NUMERIC_8); break;90 case 0x026: th_map_key_clear(KEY_NUMERIC_9); break;91 case 0x027: th_map_key_clear(KEY_NUMERIC_0); break;92 case 0x028: th_map_key_clear(KEY_PLAY); break;93 case 0x029: th_map_key_clear(KEY_CANCEL); break;94 case 0x02b: th_map_key_clear(KEY_TAB); break;95 /* Power = 0x0e0 + 0x0e1 + 0x0e2 + 0x03f */96 case 0x03f: th_map_key_clear(KEY_POWER2); break;97 case 0x04a: th_map_key_clear(KEY_RECORD); break;98 case 0x04b: th_map_key_clear(KEY_CHANNELUP); break;99 case 0x04d: th_map_key_clear(KEY_STOP); break;100 case 0x04e: th_map_key_clear(KEY_CHANNELDOWN); break;101 /* Volume down = 0x0e1 + 0x051 */102 case 0x051: th_map_key_clear(KEY_VOLUMEDOWN); break;103 /* Volume up = 0x0e1 + 0x052 */104 case 0x052: th_map_key_clear(KEY_VOLUMEUP); break;105 /* Kill the extra keys used for multi-key "power" and "volume" keys106 * as well as continuously to release CTRL,ALT,META,... keys */107 case 0x0e0:108 case 0x0e1:109 case 0x0e2:110 case 0x0e3:111 case 0x0e4:112 case 0x0e5:113 case 0x0e6:114 case 0x0e7:115 default:116 return -1;117 }118 return 1;119}120 121static const struct hid_device_id twinhan_devices[] = {122 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },123 { }124};125MODULE_DEVICE_TABLE(hid, twinhan_devices);126 127static struct hid_driver twinhan_driver = {128 .name = "twinhan",129 .id_table = twinhan_devices,130 .input_mapping = twinhan_input_mapping,131};132module_hid_driver(twinhan_driver);133 134MODULE_DESCRIPTION("HID driver for TwinHan IR remote control");135MODULE_LICENSE("GPL");136