1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for TwinHan IR remote control
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Based on hid-gyration.c
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun /*
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <linux/device.h>
14*4882a593Smuzhiyun #include <linux/input.h>
15*4882a593Smuzhiyun #include <linux/hid.h>
16*4882a593Smuzhiyun #include <linux/module.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "hid-ids.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun /* Remote control key layout + listing:
21*4882a593Smuzhiyun *
22*4882a593Smuzhiyun * Full Screen Power
23*4882a593Smuzhiyun * KEY_SCREEN KEY_POWER2
24*4882a593Smuzhiyun *
25*4882a593Smuzhiyun * 1 2 3
26*4882a593Smuzhiyun * KEY_NUMERIC_1 KEY_NUMERIC_2 KEY_NUMERIC_3
27*4882a593Smuzhiyun *
28*4882a593Smuzhiyun * 4 5 6
29*4882a593Smuzhiyun * KEY_NUMERIC_4 KEY_NUMERIC_5 KEY_NUMERIC_6
30*4882a593Smuzhiyun *
31*4882a593Smuzhiyun * 7 8 9
32*4882a593Smuzhiyun * KEY_NUMERIC_7 KEY_NUMERIC_8 KEY_NUMERIC_9
33*4882a593Smuzhiyun *
34*4882a593Smuzhiyun * REC 0 Favorite
35*4882a593Smuzhiyun * KEY_RECORD KEY_NUMERIC_0 KEY_FAVORITES
36*4882a593Smuzhiyun *
37*4882a593Smuzhiyun * Rewind Forward
38*4882a593Smuzhiyun * KEY_REWIND CH+ KEY_FORWARD
39*4882a593Smuzhiyun * KEY_CHANNELUP
40*4882a593Smuzhiyun *
41*4882a593Smuzhiyun * VOL- > VOL+
42*4882a593Smuzhiyun * KEY_VOLUMEDOWN KEY_PLAY KEY_VOLUMEUP
43*4882a593Smuzhiyun *
44*4882a593Smuzhiyun * CH-
45*4882a593Smuzhiyun * KEY_CHANNELDOWN
46*4882a593Smuzhiyun * Recall Stop
47*4882a593Smuzhiyun * KEY_RESTART KEY_STOP
48*4882a593Smuzhiyun *
49*4882a593Smuzhiyun * Timeshift/Pause Mute Cancel
50*4882a593Smuzhiyun * KEY_PAUSE KEY_MUTE KEY_CANCEL
51*4882a593Smuzhiyun *
52*4882a593Smuzhiyun * Capture Preview EPG
53*4882a593Smuzhiyun * KEY_PRINT KEY_PROGRAM KEY_EPG
54*4882a593Smuzhiyun *
55*4882a593Smuzhiyun * Record List Tab Teletext
56*4882a593Smuzhiyun * KEY_LIST KEY_TAB KEY_TEXT
57*4882a593Smuzhiyun */
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun #define th_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
60*4882a593Smuzhiyun EV_KEY, (c))
twinhan_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)61*4882a593Smuzhiyun static int twinhan_input_mapping(struct hid_device *hdev, struct hid_input *hi,
62*4882a593Smuzhiyun struct hid_field *field, struct hid_usage *usage,
63*4882a593Smuzhiyun unsigned long **bit, int *max)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD)
66*4882a593Smuzhiyun return 0;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun switch (usage->hid & HID_USAGE) {
69*4882a593Smuzhiyun /* Map all keys from Twinhan Remote */
70*4882a593Smuzhiyun case 0x004: th_map_key_clear(KEY_TEXT); break;
71*4882a593Smuzhiyun case 0x006: th_map_key_clear(KEY_RESTART); break;
72*4882a593Smuzhiyun case 0x008: th_map_key_clear(KEY_EPG); break;
73*4882a593Smuzhiyun case 0x00c: th_map_key_clear(KEY_REWIND); break;
74*4882a593Smuzhiyun case 0x00e: th_map_key_clear(KEY_PROGRAM); break;
75*4882a593Smuzhiyun case 0x00f: th_map_key_clear(KEY_LIST); break;
76*4882a593Smuzhiyun case 0x010: th_map_key_clear(KEY_MUTE); break;
77*4882a593Smuzhiyun case 0x011: th_map_key_clear(KEY_FORWARD); break;
78*4882a593Smuzhiyun case 0x013: th_map_key_clear(KEY_PRINT); break;
79*4882a593Smuzhiyun case 0x017: th_map_key_clear(KEY_PAUSE); break;
80*4882a593Smuzhiyun case 0x019: th_map_key_clear(KEY_FAVORITES); break;
81*4882a593Smuzhiyun case 0x01d: th_map_key_clear(KEY_SCREEN); break;
82*4882a593Smuzhiyun case 0x01e: th_map_key_clear(KEY_NUMERIC_1); break;
83*4882a593Smuzhiyun case 0x01f: th_map_key_clear(KEY_NUMERIC_2); break;
84*4882a593Smuzhiyun case 0x020: th_map_key_clear(KEY_NUMERIC_3); break;
85*4882a593Smuzhiyun case 0x021: th_map_key_clear(KEY_NUMERIC_4); break;
86*4882a593Smuzhiyun case 0x022: th_map_key_clear(KEY_NUMERIC_5); break;
87*4882a593Smuzhiyun case 0x023: th_map_key_clear(KEY_NUMERIC_6); break;
88*4882a593Smuzhiyun case 0x024: th_map_key_clear(KEY_NUMERIC_7); break;
89*4882a593Smuzhiyun case 0x025: th_map_key_clear(KEY_NUMERIC_8); break;
90*4882a593Smuzhiyun case 0x026: th_map_key_clear(KEY_NUMERIC_9); break;
91*4882a593Smuzhiyun case 0x027: th_map_key_clear(KEY_NUMERIC_0); break;
92*4882a593Smuzhiyun case 0x028: th_map_key_clear(KEY_PLAY); break;
93*4882a593Smuzhiyun case 0x029: th_map_key_clear(KEY_CANCEL); break;
94*4882a593Smuzhiyun case 0x02b: th_map_key_clear(KEY_TAB); break;
95*4882a593Smuzhiyun /* Power = 0x0e0 + 0x0e1 + 0x0e2 + 0x03f */
96*4882a593Smuzhiyun case 0x03f: th_map_key_clear(KEY_POWER2); break;
97*4882a593Smuzhiyun case 0x04a: th_map_key_clear(KEY_RECORD); break;
98*4882a593Smuzhiyun case 0x04b: th_map_key_clear(KEY_CHANNELUP); break;
99*4882a593Smuzhiyun case 0x04d: th_map_key_clear(KEY_STOP); break;
100*4882a593Smuzhiyun case 0x04e: th_map_key_clear(KEY_CHANNELDOWN); break;
101*4882a593Smuzhiyun /* Volume down = 0x0e1 + 0x051 */
102*4882a593Smuzhiyun case 0x051: th_map_key_clear(KEY_VOLUMEDOWN); break;
103*4882a593Smuzhiyun /* Volume up = 0x0e1 + 0x052 */
104*4882a593Smuzhiyun case 0x052: th_map_key_clear(KEY_VOLUMEUP); break;
105*4882a593Smuzhiyun /* Kill the extra keys used for multi-key "power" and "volume" keys
106*4882a593Smuzhiyun * as well as continuously to release CTRL,ALT,META,... keys */
107*4882a593Smuzhiyun case 0x0e0:
108*4882a593Smuzhiyun case 0x0e1:
109*4882a593Smuzhiyun case 0x0e2:
110*4882a593Smuzhiyun case 0x0e3:
111*4882a593Smuzhiyun case 0x0e4:
112*4882a593Smuzhiyun case 0x0e5:
113*4882a593Smuzhiyun case 0x0e6:
114*4882a593Smuzhiyun case 0x0e7:
115*4882a593Smuzhiyun default:
116*4882a593Smuzhiyun return -1;
117*4882a593Smuzhiyun }
118*4882a593Smuzhiyun return 1;
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun static const struct hid_device_id twinhan_devices[] = {
122*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
123*4882a593Smuzhiyun { }
124*4882a593Smuzhiyun };
125*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, twinhan_devices);
126*4882a593Smuzhiyun
127*4882a593Smuzhiyun static struct hid_driver twinhan_driver = {
128*4882a593Smuzhiyun .name = "twinhan",
129*4882a593Smuzhiyun .id_table = twinhan_devices,
130*4882a593Smuzhiyun .input_mapping = twinhan_input_mapping,
131*4882a593Smuzhiyun };
132*4882a593Smuzhiyun module_hid_driver(twinhan_driver);
133*4882a593Smuzhiyun
134*4882a593Smuzhiyun MODULE_LICENSE("GPL");
135