Merge branch 'linus' into perfcounters/core
[sfrench/cifs-2.6.git] / drivers / media / dvb / firewire / firedtv-rc.c
1 /*
2  * FireDTV driver (formerly known as FireSAT)
3  *
4  * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
5  *
6  *      This program is free software; you can redistribute it and/or
7  *      modify it under the terms of the GNU General Public License as
8  *      published by the Free Software Foundation; either version 2 of
9  *      the License, or (at your option) any later version.
10  */
11
12 #include <linux/bitops.h>
13 #include <linux/input.h>
14 #include <linux/kernel.h>
15 #include <linux/string.h>
16 #include <linux/types.h>
17
18 #include "firedtv.h"
19
20 /* fixed table with older keycodes, geared towards MythTV */
21 static const u16 oldtable[] = {
22
23         /* code from device: 0x4501...0x451f */
24
25         KEY_ESC,
26         KEY_F9,
27         KEY_1,
28         KEY_2,
29         KEY_3,
30         KEY_4,
31         KEY_5,
32         KEY_6,
33         KEY_7,
34         KEY_8,
35         KEY_9,
36         KEY_I,
37         KEY_0,
38         KEY_ENTER,
39         KEY_RED,
40         KEY_UP,
41         KEY_GREEN,
42         KEY_F10,
43         KEY_SPACE,
44         KEY_F11,
45         KEY_YELLOW,
46         KEY_DOWN,
47         KEY_BLUE,
48         KEY_Z,
49         KEY_P,
50         KEY_PAGEDOWN,
51         KEY_LEFT,
52         KEY_W,
53         KEY_RIGHT,
54         KEY_P,
55         KEY_M,
56
57         /* code from device: 0x4540...0x4542 */
58
59         KEY_R,
60         KEY_V,
61         KEY_C,
62 };
63
64 /* user-modifiable table for a remote as sold in 2008 */
65 static const u16 keytable[] = {
66
67         /* code from device: 0x0300...0x031f */
68
69         [0x00] = KEY_POWER,
70         [0x01] = KEY_SLEEP,
71         [0x02] = KEY_STOP,
72         [0x03] = KEY_OK,
73         [0x04] = KEY_RIGHT,
74         [0x05] = KEY_1,
75         [0x06] = KEY_2,
76         [0x07] = KEY_3,
77         [0x08] = KEY_LEFT,
78         [0x09] = KEY_4,
79         [0x0a] = KEY_5,
80         [0x0b] = KEY_6,
81         [0x0c] = KEY_UP,
82         [0x0d] = KEY_7,
83         [0x0e] = KEY_8,
84         [0x0f] = KEY_9,
85         [0x10] = KEY_DOWN,
86         [0x11] = KEY_TITLE,     /* "OSD" - fixme */
87         [0x12] = KEY_0,
88         [0x13] = KEY_F20,       /* "16:9" - fixme */
89         [0x14] = KEY_SCREEN,    /* "FULL" - fixme */
90         [0x15] = KEY_MUTE,
91         [0x16] = KEY_SUBTITLE,
92         [0x17] = KEY_RECORD,
93         [0x18] = KEY_TEXT,
94         [0x19] = KEY_AUDIO,
95         [0x1a] = KEY_RED,
96         [0x1b] = KEY_PREVIOUS,
97         [0x1c] = KEY_REWIND,
98         [0x1d] = KEY_PLAYPAUSE,
99         [0x1e] = KEY_NEXT,
100         [0x1f] = KEY_VOLUMEUP,
101
102         /* code from device: 0x0340...0x0354 */
103
104         [0x20] = KEY_CHANNELUP,
105         [0x21] = KEY_F21,       /* "4:3" - fixme */
106         [0x22] = KEY_TV,
107         [0x23] = KEY_DVD,
108         [0x24] = KEY_VCR,
109         [0x25] = KEY_AUX,
110         [0x26] = KEY_GREEN,
111         [0x27] = KEY_YELLOW,
112         [0x28] = KEY_BLUE,
113         [0x29] = KEY_CHANNEL,   /* "CH.LIST" */
114         [0x2a] = KEY_VENDOR,    /* "CI" - fixme */
115         [0x2b] = KEY_VOLUMEDOWN,
116         [0x2c] = KEY_CHANNELDOWN,
117         [0x2d] = KEY_LAST,
118         [0x2e] = KEY_INFO,
119         [0x2f] = KEY_FORWARD,
120         [0x30] = KEY_LIST,
121         [0x31] = KEY_FAVORITES,
122         [0x32] = KEY_MENU,
123         [0x33] = KEY_EPG,
124         [0x34] = KEY_EXIT,
125 };
126
127 int fdtv_register_rc(struct firedtv *fdtv, struct device *dev)
128 {
129         struct input_dev *idev;
130         int i, err;
131
132         idev = input_allocate_device();
133         if (!idev)
134                 return -ENOMEM;
135
136         fdtv->remote_ctrl_dev = idev;
137         idev->name = "FireDTV remote control";
138         idev->dev.parent = dev;
139         idev->evbit[0] = BIT_MASK(EV_KEY);
140         idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL);
141         if (!idev->keycode) {
142                 err = -ENOMEM;
143                 goto fail;
144         }
145         idev->keycodesize = sizeof(keytable[0]);
146         idev->keycodemax = ARRAY_SIZE(keytable);
147
148         for (i = 0; i < ARRAY_SIZE(keytable); i++)
149                 set_bit(keytable[i], idev->keybit);
150
151         err = input_register_device(idev);
152         if (err)
153                 goto fail_free_keymap;
154
155         return 0;
156
157 fail_free_keymap:
158         kfree(idev->keycode);
159 fail:
160         input_free_device(idev);
161         return err;
162 }
163
164 void fdtv_unregister_rc(struct firedtv *fdtv)
165 {
166         kfree(fdtv->remote_ctrl_dev->keycode);
167         input_unregister_device(fdtv->remote_ctrl_dev);
168 }
169
170 void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
171 {
172         u16 *keycode = fdtv->remote_ctrl_dev->keycode;
173
174         if (code >= 0x0300 && code <= 0x031f)
175                 code = keycode[code - 0x0300];
176         else if (code >= 0x0340 && code <= 0x0354)
177                 code = keycode[code - 0x0320];
178         else if (code >= 0x4501 && code <= 0x451f)
179                 code = oldtable[code - 0x4501];
180         else if (code >= 0x4540 && code <= 0x4542)
181                 code = oldtable[code - 0x4521];
182         else {
183                 printk(KERN_DEBUG "firedtv: invalid key code 0x%04x "
184                        "from remote control\n", code);
185                 return;
186         }
187
188         input_report_key(fdtv->remote_ctrl_dev, code, 1);
189         input_report_key(fdtv->remote_ctrl_dev, code, 0);
190 }