1 /* 2 * HID driver for TwinHan IR remote control 3 * 4 * Based on hid-gyration.c 5 * 6 * Copyright (c) 2009 Bruno Pr�mont <bonbons@linux-vserver.org> 7 */ 8 9 /* 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the Free 12 * Software Foundation; either version 2 of the License. 13 */ 14 15 #include <linux/device.h> 16 #include <linux/input.h> 17 #include <linux/hid.h> 18 #include <linux/module.h> 19 20 #include "hid-ids.h" 21 22 /* Remote control key layout + listing: 23 * 24 * Full Screen Power 25 * KEY_SCREEN KEY_POWER2 26 * 27 * 1 2 3 28 * KEY_NUMERIC_1 KEY_NUMERIC_2 KEY_NUMERIC_3 29 * 30 * 4 5 6 31 * KEY_NUMERIC_4 KEY_NUMERIC_5 KEY_NUMERIC_6 32 * 33 * 7 8 9 34 * KEY_NUMERIC_7 KEY_NUMERIC_8 KEY_NUMERIC_9 35 * 36 * REC 0 Favorite 37 * KEY_RECORD KEY_NUMERIC_0 KEY_FAVORITES 38 * 39 * Rewind Forward 40 * KEY_REWIND CH+ KEY_FORWARD 41 * KEY_CHANNELUP 42 * 43 * VOL- > VOL+ 44 * KEY_VOLUMEDOWN KEY_PLAY KEY_VOLUMEUP 45 * 46 * CH- 47 * KEY_CHANNELDOWN 48 * Recall Stop 49 * KEY_RESTART KEY_STOP 50 * 51 * Timeshift/Pause Mute Cancel 52 * KEY_PAUSE KEY_MUTE KEY_CANCEL 53 * 54 * Capture Preview EPG 55 * KEY_PRINT KEY_PROGRAM KEY_EPG 56 * 57 * Record List Tab Teletext 58 * KEY_LIST KEY_TAB KEY_TEXT 59 */ 60 61 #define th_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 62 EV_KEY, (c)) 63 static int twinhan_input_mapping(struct hid_device *hdev, struct hid_input *hi, 64 struct hid_field *field, struct hid_usage *usage, 65 unsigned long **bit, int *max) 66 { 67 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD) 68 return 0; 69 70 switch (usage->hid & HID_USAGE) { 71 /* Map all keys from Twinhan Remote */ 72 case 0x004: th_map_key_clear(KEY_TEXT); break; 73 case 0x006: th_map_key_clear(KEY_RESTART); break; 74 case 0x008: th_map_key_clear(KEY_EPG); break; 75 case 0x00c: th_map_key_clear(KEY_REWIND); break; 76 case 0x00e: th_map_key_clear(KEY_PROGRAM); break; 77 case 0x00f: th_map_key_clear(KEY_LIST); break; 78 case 0x010: th_map_key_clear(KEY_MUTE); break; 79 case 0x011: th_map_key_clear(KEY_FORWARD); break; 80 case 0x013: th_map_key_clear(KEY_PRINT); break; 81 case 0x017: th_map_key_clear(KEY_PAUSE); break; 82 case 0x019: th_map_key_clear(KEY_FAVORITES); break; 83 case 0x01d: th_map_key_clear(KEY_SCREEN); break; 84 case 0x01e: th_map_key_clear(KEY_NUMERIC_1); break; 85 case 0x01f: th_map_key_clear(KEY_NUMERIC_2); break; 86 case 0x020: th_map_key_clear(KEY_NUMERIC_3); break; 87 case 0x021: th_map_key_clear(KEY_NUMERIC_4); break; 88 case 0x022: th_map_key_clear(KEY_NUMERIC_5); break; 89 case 0x023: th_map_key_clear(KEY_NUMERIC_6); break; 90 case 0x024: th_map_key_clear(KEY_NUMERIC_7); break; 91 case 0x025: th_map_key_clear(KEY_NUMERIC_8); break; 92 case 0x026: th_map_key_clear(KEY_NUMERIC_9); break; 93 case 0x027: th_map_key_clear(KEY_NUMERIC_0); break; 94 case 0x028: th_map_key_clear(KEY_PLAY); break; 95 case 0x029: th_map_key_clear(KEY_CANCEL); break; 96 case 0x02b: th_map_key_clear(KEY_TAB); break; 97 /* Power = 0x0e0 + 0x0e1 + 0x0e2 + 0x03f */ 98 case 0x03f: th_map_key_clear(KEY_POWER2); break; 99 case 0x04a: th_map_key_clear(KEY_RECORD); break; 100 case 0x04b: th_map_key_clear(KEY_CHANNELUP); break; 101 case 0x04d: th_map_key_clear(KEY_STOP); break; 102 case 0x04e: th_map_key_clear(KEY_CHANNELDOWN); break; 103 /* Volume down = 0x0e1 + 0x051 */ 104 case 0x051: th_map_key_clear(KEY_VOLUMEDOWN); break; 105 /* Volume up = 0x0e1 + 0x052 */ 106 case 0x052: th_map_key_clear(KEY_VOLUMEUP); break; 107 /* Kill the extra keys used for multi-key "power" and "volume" keys 108 * as well as continuously to release CTRL,ALT,META,... keys */ 109 case 0x0e0: 110 case 0x0e1: 111 case 0x0e2: 112 case 0x0e3: 113 case 0x0e4: 114 case 0x0e5: 115 case 0x0e6: 116 case 0x0e7: 117 default: 118 return -1; 119 } 120 return 1; 121 } 122 123 static const struct hid_device_id twinhan_devices[] = { 124 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, 125 { } 126 }; 127 MODULE_DEVICE_TABLE(hid, twinhan_devices); 128 129 static struct hid_driver twinhan_driver = { 130 .name = "twinhan", 131 .id_table = twinhan_devices, 132 .input_mapping = twinhan_input_mapping, 133 }; 134 135 static int __init twinhan_init(void) 136 { 137 return hid_register_driver(&twinhan_driver); 138 } 139 140 static void __exit twinhan_exit(void) 141 { 142 hid_unregister_driver(&twinhan_driver); 143 } 144 145 module_init(twinhan_init); 146 module_exit(twinhan_exit); 147 MODULE_LICENSE("GPL"); 148