1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Keytable for the CEC remote control
3 *
4 * Copyright (c) 2015 by Kamil Debski
5 */
6
7 #include <media/rc-map.h>
8 #include <linux/module.h>
9
10 /*
11 * CEC Spec "High-Definition Multimedia Interface Specification" can be obtained
12 * here: http://xtreamerdev.googlecode.com/files/CEC_Specs.pdf
13 * The list of control codes is listed in Table 27: User Control Codes p. 95
14 */
15
16 static struct rc_map_table cec[] = {
17 { 0x00, KEY_OK },
18 { 0x01, KEY_UP },
19 { 0x02, KEY_DOWN },
20 { 0x03, KEY_LEFT },
21 { 0x04, KEY_RIGHT },
22 { 0x05, KEY_RIGHT_UP },
23 { 0x06, KEY_RIGHT_DOWN },
24 { 0x07, KEY_LEFT_UP },
25 { 0x08, KEY_LEFT_DOWN },
26 { 0x09, KEY_ROOT_MENU }, /* CEC Spec: Device Root Menu - see Note 2 */
27 /*
28 * Note 2: This is the initial display that a device shows. It is
29 * device-dependent and can be, for example, a contents menu, setup
30 * menu, favorite menu or other menu. The actual menu displayed
31 * may also depend on the device's current state.
32 */
33 { 0x0a, KEY_SETUP },
34 { 0x0b, KEY_MENU }, /* CEC Spec: Contents Menu */
35 { 0x0c, KEY_FAVORITES }, /* CEC Spec: Favorite Menu */
36 { 0x0d, KEY_EXIT },
37 /* 0x0e-0x0f: Reserved */
38 { 0x10, KEY_MEDIA_TOP_MENU },
39 { 0x11, KEY_CONTEXT_MENU },
40 /* 0x12-0x1c: Reserved */
41 { 0x1d, KEY_DIGITS }, /* CEC Spec: select/toggle a Number Entry Mode */
42 { 0x1e, KEY_NUMERIC_11 },
43 { 0x1f, KEY_NUMERIC_12 },
44 /* 0x20-0x29: Keys 0 to 9 */
45 { 0x20, KEY_NUMERIC_0 },
46 { 0x21, KEY_NUMERIC_1 },
47 { 0x22, KEY_NUMERIC_2 },
48 { 0x23, KEY_NUMERIC_3 },
49 { 0x24, KEY_NUMERIC_4 },
50 { 0x25, KEY_NUMERIC_5 },
51 { 0x26, KEY_NUMERIC_6 },
52 { 0x27, KEY_NUMERIC_7 },
53 { 0x28, KEY_NUMERIC_8 },
54 { 0x29, KEY_NUMERIC_9 },
55 { 0x2a, KEY_DOT },
56 { 0x2b, KEY_ENTER },
57 { 0x2c, KEY_CLEAR },
58 /* 0x2d-0x2e: Reserved */
59 { 0x2f, KEY_NEXT_FAVORITE }, /* CEC Spec: Next Favorite */
60 { 0x30, KEY_CHANNELUP },
61 { 0x31, KEY_CHANNELDOWN },
62 { 0x32, KEY_PREVIOUS }, /* CEC Spec: Previous Channel */
63 { 0x33, KEY_SOUND }, /* CEC Spec: Sound Select */
64 { 0x34, KEY_VIDEO }, /* 0x34: CEC Spec: Input Select */
65 { 0x35, KEY_INFO }, /* CEC Spec: Display Information */
66 { 0x36, KEY_HELP },
67 { 0x37, KEY_PAGEUP },
68 { 0x38, KEY_PAGEDOWN },
69 /* 0x39-0x3f: Reserved */
70 { 0x40, KEY_POWER },
71 { 0x41, KEY_VOLUMEUP },
72 { 0x42, KEY_VOLUMEDOWN },
73 { 0x43, KEY_MUTE },
74 { 0x44, KEY_PLAYCD },
75 { 0x45, KEY_STOPCD },
76 { 0x46, KEY_PAUSECD },
77 { 0x47, KEY_RECORD },
78 { 0x48, KEY_REWIND },
79 { 0x49, KEY_FASTFORWARD },
80 { 0x4a, KEY_EJECTCD }, /* CEC Spec: Eject */
81 { 0x4b, KEY_FORWARD },
82 { 0x4c, KEY_BACK },
83 { 0x4d, KEY_STOP_RECORD }, /* CEC Spec: Stop-Record */
84 { 0x4e, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record */
85 /* 0x4f: Reserved */
86 { 0x50, KEY_ANGLE },
87 { 0x51, KEY_TV2 },
88 { 0x52, KEY_VOD }, /* CEC Spec: Video on Demand */
89 { 0x53, KEY_EPG },
90 { 0x54, KEY_TIME }, /* CEC Spec: Timer */
91 { 0x55, KEY_CONFIG },
92 /*
93 * The following codes are hard to implement at this moment, as they
94 * carry an additional additional argument. Most likely changes to RC
95 * framework are necessary.
96 * For now they are interpreted by the CEC framework as non keycodes
97 * and are passed as messages enabling user application to parse them.
98 */
99 /* 0x56: CEC Spec: Select Broadcast Type */
100 /* 0x57: CEC Spec: Select Sound presentation */
101 { 0x58, KEY_AUDIO_DESC }, /* CEC 2.0 and up */
102 { 0x59, KEY_WWW }, /* CEC 2.0 and up */
103 { 0x5a, KEY_3D_MODE }, /* CEC 2.0 and up */
104 /* 0x5b-0x5f: Reserved */
105 { 0x60, KEY_PLAYCD }, /* CEC Spec: Play Function */
106 { 0x6005, KEY_FASTFORWARD },
107 { 0x6006, KEY_FASTFORWARD },
108 { 0x6007, KEY_FASTFORWARD },
109 { 0x6015, KEY_SLOW },
110 { 0x6016, KEY_SLOW },
111 { 0x6017, KEY_SLOW },
112 { 0x6009, KEY_FASTREVERSE },
113 { 0x600a, KEY_FASTREVERSE },
114 { 0x600b, KEY_FASTREVERSE },
115 { 0x6019, KEY_SLOWREVERSE },
116 { 0x601a, KEY_SLOWREVERSE },
117 { 0x601b, KEY_SLOWREVERSE },
118 { 0x6020, KEY_REWIND },
119 { 0x6024, KEY_PLAYCD },
120 { 0x6025, KEY_PAUSECD },
121 { 0x61, KEY_PLAYPAUSE }, /* CEC Spec: Pause-Play Function */
122 { 0x62, KEY_RECORD }, /* Spec: Record Function */
123 { 0x63, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record Function */
124 { 0x64, KEY_STOPCD }, /* CEC Spec: Stop Function */
125 { 0x65, KEY_MUTE }, /* CEC Spec: Mute Function */
126 { 0x66, KEY_UNMUTE }, /* CEC Spec: Restore the volume */
127 /*
128 * The following codes are hard to implement at this moment, as they
129 * carry an additional additional argument. Most likely changes to RC
130 * framework are necessary.
131 * For now they are interpreted by the CEC framework as non keycodes
132 * and are passed as messages enabling user application to parse them.
133 */
134 /* 0x67: CEC Spec: Tune Function */
135 /* 0x68: CEC Spec: Seleect Media Function */
136 /* 0x69: CEC Spec: Select A/V Input Function */
137 /* 0x6a: CEC Spec: Select Audio Input Function */
138 { 0x6b, KEY_POWER }, /* CEC Spec: Power Toggle Function */
139 { 0x6c, KEY_SLEEP }, /* CEC Spec: Power Off Function */
140 { 0x6d, KEY_WAKEUP }, /* CEC Spec: Power On Function */
141 /* 0x6e-0x70: Reserved */
142 { 0x71, KEY_BLUE }, /* CEC Spec: F1 (Blue) */
143 { 0x72, KEY_RED }, /* CEC Spec: F2 (Red) */
144 { 0x73, KEY_GREEN }, /* CEC Spec: F3 (Green) */
145 { 0x74, KEY_YELLOW }, /* CEC Spec: F4 (Yellow) */
146 { 0x75, KEY_F5 },
147 { 0x76, KEY_DATA }, /* CEC Spec: Data - see Note 3 */
148 /*
149 * Note 3: This is used, for example, to enter or leave a digital TV
150 * data broadcast application.
151 */
152 /* 0x77-0xff: Reserved */
153 };
154
155 static struct rc_map_list cec_map = {
156 .map = {
157 .scan = cec,
158 .size = ARRAY_SIZE(cec),
159 .rc_proto = RC_PROTO_CEC,
160 .name = RC_MAP_CEC,
161 }
162 };
163
164 static int __init init_rc_map_cec(void)
165 {
166 return rc_map_register(&cec_map);
167 }
168
169 static void __exit exit_rc_map_cec(void)
170 {
171 rc_map_unregister(&cec_map);
172 }
173
174 module_init(init_rc_map_cec);
175 module_exit(exit_rc_map_cec);
176
177 MODULE_LICENSE("GPL");
178 MODULE_AUTHOR("Kamil Debski");