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1 | /* |
2 | * HID driver for TwinHan IR remote control |
3 | * |
4 | * Based on hid-gyration.c |
5 | * |
6 | * Copyright (c) 2009 Bruno Prémont <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 |
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