Merge branch 'hid-battery' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy...
[linux-2.6.git] / drivers / hid / hid-twinhan.c
1 /*
2  * HID driver for TwinHan IR remote control
3  *
4  * Based on hid-gyration.c
5  *
6  * Copyright (c) 2009 Bruno PrĂ©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");