1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * HID driver for TwinHan IR remote control |
4 | * |
5 | * Based on hid-gyration.c |
6 | * |
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 Power |
23 | * KEY_SCREEN KEY_POWER2 |
24 | * |
25 | * 1 2 3 |
26 | * KEY_NUMERIC_1 KEY_NUMERIC_2 KEY_NUMERIC_3 |
27 | * |
28 | * 4 5 6 |
29 | * KEY_NUMERIC_4 KEY_NUMERIC_5 KEY_NUMERIC_6 |
30 | * |
31 | * 7 8 9 |
32 | * KEY_NUMERIC_7 KEY_NUMERIC_8 KEY_NUMERIC_9 |
33 | * |
34 | * REC 0 Favorite |
35 | * KEY_RECORD KEY_NUMERIC_0 KEY_FAVORITES |
36 | * |
37 | * Rewind Forward |
38 | * KEY_REWIND CH+ KEY_FORWARD |
39 | * KEY_CHANNELUP |
40 | * |
41 | * VOL- > VOL+ |
42 | * KEY_VOLUMEDOWN KEY_PLAY KEY_VOLUMEUP |
43 | * |
44 | * CH- |
45 | * KEY_CHANNELDOWN |
46 | * Recall Stop |
47 | * KEY_RESTART KEY_STOP |
48 | * |
49 | * Timeshift/Pause Mute Cancel |
50 | * KEY_PAUSE KEY_MUTE KEY_CANCEL |
51 | * |
52 | * Capture Preview EPG |
53 | * KEY_PRINT KEY_PROGRAM KEY_EPG |
54 | * |
55 | * Record List Tab Teletext |
56 | * KEY_LIST KEY_TAB KEY_TEXT |
57 | */ |
58 | |
59 | #define th_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
60 | EV_KEY, (c)) |
61 | static 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" keys |
106 | * 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 | |
121 | static const struct hid_device_id twinhan_devices[] = { |
122 | { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, |
123 | { } |
124 | }; |
125 | MODULE_DEVICE_TABLE(hid, twinhan_devices); |
126 | |
127 | static struct hid_driver twinhan_driver = { |
128 | .name = "twinhan" , |
129 | .id_table = twinhan_devices, |
130 | .input_mapping = twinhan_input_mapping, |
131 | }; |
132 | module_hid_driver(twinhan_driver); |
133 | |
134 | MODULE_LICENSE("GPL" ); |
135 | |