rc-cec.c (5987B)
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* Keytable for the CEC remote control 3 * 4 * This keymap is unusual in that it can't be built as a module, 5 * instead it is registered directly in rc-main.c if CONFIG_MEDIA_CEC_RC 6 * is set. This is because it can be called from drm_dp_cec_set_edid() via 7 * cec_register_adapter() in an asynchronous context, and it is not 8 * allowed to use request_module() to load rc-cec.ko in that case. 9 * 10 * Since this keymap is only used if CONFIG_MEDIA_CEC_RC is set, we 11 * just compile this keymap into the rc-core module and never as a 12 * separate module. 13 * 14 * Copyright (c) 2015 by Kamil Debski 15 */ 16 17#include <media/rc-map.h> 18#include <linux/module.h> 19 20/* 21 * CEC Spec "High-Definition Multimedia Interface Specification" can be obtained 22 * here: http://xtreamerdev.googlecode.com/files/CEC_Specs.pdf 23 * The list of control codes is listed in Table 27: User Control Codes p. 95 24 */ 25 26static struct rc_map_table cec[] = { 27 { 0x00, KEY_OK }, 28 { 0x01, KEY_UP }, 29 { 0x02, KEY_DOWN }, 30 { 0x03, KEY_LEFT }, 31 { 0x04, KEY_RIGHT }, 32 { 0x05, KEY_RIGHT_UP }, 33 { 0x06, KEY_RIGHT_DOWN }, 34 { 0x07, KEY_LEFT_UP }, 35 { 0x08, KEY_LEFT_DOWN }, 36 { 0x09, KEY_ROOT_MENU }, /* CEC Spec: Device Root Menu - see Note 2 */ 37 /* 38 * Note 2: This is the initial display that a device shows. It is 39 * device-dependent and can be, for example, a contents menu, setup 40 * menu, favorite menu or other menu. The actual menu displayed 41 * may also depend on the device's current state. 42 */ 43 { 0x0a, KEY_SETUP }, 44 { 0x0b, KEY_MENU }, /* CEC Spec: Contents Menu */ 45 { 0x0c, KEY_FAVORITES }, /* CEC Spec: Favorite Menu */ 46 { 0x0d, KEY_EXIT }, 47 /* 0x0e-0x0f: Reserved */ 48 { 0x10, KEY_MEDIA_TOP_MENU }, 49 { 0x11, KEY_CONTEXT_MENU }, 50 /* 0x12-0x1c: Reserved */ 51 { 0x1d, KEY_DIGITS }, /* CEC Spec: select/toggle a Number Entry Mode */ 52 { 0x1e, KEY_NUMERIC_11 }, 53 { 0x1f, KEY_NUMERIC_12 }, 54 /* 0x20-0x29: Keys 0 to 9 */ 55 { 0x20, KEY_NUMERIC_0 }, 56 { 0x21, KEY_NUMERIC_1 }, 57 { 0x22, KEY_NUMERIC_2 }, 58 { 0x23, KEY_NUMERIC_3 }, 59 { 0x24, KEY_NUMERIC_4 }, 60 { 0x25, KEY_NUMERIC_5 }, 61 { 0x26, KEY_NUMERIC_6 }, 62 { 0x27, KEY_NUMERIC_7 }, 63 { 0x28, KEY_NUMERIC_8 }, 64 { 0x29, KEY_NUMERIC_9 }, 65 { 0x2a, KEY_DOT }, 66 { 0x2b, KEY_ENTER }, 67 { 0x2c, KEY_CLEAR }, 68 /* 0x2d-0x2e: Reserved */ 69 { 0x2f, KEY_NEXT_FAVORITE }, /* CEC Spec: Next Favorite */ 70 { 0x30, KEY_CHANNELUP }, 71 { 0x31, KEY_CHANNELDOWN }, 72 { 0x32, KEY_PREVIOUS }, /* CEC Spec: Previous Channel */ 73 { 0x33, KEY_SOUND }, /* CEC Spec: Sound Select */ 74 { 0x34, KEY_VIDEO }, /* 0x34: CEC Spec: Input Select */ 75 { 0x35, KEY_INFO }, /* CEC Spec: Display Information */ 76 { 0x36, KEY_HELP }, 77 { 0x37, KEY_PAGEUP }, 78 { 0x38, KEY_PAGEDOWN }, 79 /* 0x39-0x3f: Reserved */ 80 { 0x40, KEY_POWER }, 81 { 0x41, KEY_VOLUMEUP }, 82 { 0x42, KEY_VOLUMEDOWN }, 83 { 0x43, KEY_MUTE }, 84 { 0x44, KEY_PLAYCD }, 85 { 0x45, KEY_STOPCD }, 86 { 0x46, KEY_PAUSECD }, 87 { 0x47, KEY_RECORD }, 88 { 0x48, KEY_REWIND }, 89 { 0x49, KEY_FASTFORWARD }, 90 { 0x4a, KEY_EJECTCD }, /* CEC Spec: Eject */ 91 { 0x4b, KEY_FORWARD }, 92 { 0x4c, KEY_BACK }, 93 { 0x4d, KEY_STOP_RECORD }, /* CEC Spec: Stop-Record */ 94 { 0x4e, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record */ 95 /* 0x4f: Reserved */ 96 { 0x50, KEY_ANGLE }, 97 { 0x51, KEY_TV2 }, 98 { 0x52, KEY_VOD }, /* CEC Spec: Video on Demand */ 99 { 0x53, KEY_EPG }, 100 { 0x54, KEY_TIME }, /* CEC Spec: Timer */ 101 { 0x55, KEY_CONFIG }, 102 /* 103 * The following codes are hard to implement at this moment, as they 104 * carry an additional additional argument. Most likely changes to RC 105 * framework are necessary. 106 * For now they are interpreted by the CEC framework as non keycodes 107 * and are passed as messages enabling user application to parse them. 108 */ 109 /* 0x56: CEC Spec: Select Broadcast Type */ 110 /* 0x57: CEC Spec: Select Sound presentation */ 111 { 0x58, KEY_AUDIO_DESC }, /* CEC 2.0 and up */ 112 { 0x59, KEY_WWW }, /* CEC 2.0 and up */ 113 { 0x5a, KEY_3D_MODE }, /* CEC 2.0 and up */ 114 /* 0x5b-0x5f: Reserved */ 115 { 0x60, KEY_PLAYCD }, /* CEC Spec: Play Function */ 116 { 0x6005, KEY_FASTFORWARD }, 117 { 0x6006, KEY_FASTFORWARD }, 118 { 0x6007, KEY_FASTFORWARD }, 119 { 0x6015, KEY_SLOW }, 120 { 0x6016, KEY_SLOW }, 121 { 0x6017, KEY_SLOW }, 122 { 0x6009, KEY_FASTREVERSE }, 123 { 0x600a, KEY_FASTREVERSE }, 124 { 0x600b, KEY_FASTREVERSE }, 125 { 0x6019, KEY_SLOWREVERSE }, 126 { 0x601a, KEY_SLOWREVERSE }, 127 { 0x601b, KEY_SLOWREVERSE }, 128 { 0x6020, KEY_REWIND }, 129 { 0x6024, KEY_PLAYCD }, 130 { 0x6025, KEY_PAUSECD }, 131 { 0x61, KEY_PLAYPAUSE }, /* CEC Spec: Pause-Play Function */ 132 { 0x62, KEY_RECORD }, /* Spec: Record Function */ 133 { 0x63, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record Function */ 134 { 0x64, KEY_STOPCD }, /* CEC Spec: Stop Function */ 135 { 0x65, KEY_MUTE }, /* CEC Spec: Mute Function */ 136 { 0x66, KEY_UNMUTE }, /* CEC Spec: Restore the volume */ 137 /* 138 * The following codes are hard to implement at this moment, as they 139 * carry an additional additional argument. Most likely changes to RC 140 * framework are necessary. 141 * For now they are interpreted by the CEC framework as non keycodes 142 * and are passed as messages enabling user application to parse them. 143 */ 144 /* 0x67: CEC Spec: Tune Function */ 145 /* 0x68: CEC Spec: Seleect Media Function */ 146 /* 0x69: CEC Spec: Select A/V Input Function */ 147 /* 0x6a: CEC Spec: Select Audio Input Function */ 148 { 0x6b, KEY_POWER }, /* CEC Spec: Power Toggle Function */ 149 { 0x6c, KEY_SLEEP }, /* CEC Spec: Power Off Function */ 150 { 0x6d, KEY_WAKEUP }, /* CEC Spec: Power On Function */ 151 /* 0x6e-0x70: Reserved */ 152 { 0x71, KEY_BLUE }, /* CEC Spec: F1 (Blue) */ 153 { 0x72, KEY_RED }, /* CEC Spec: F2 (Red) */ 154 { 0x73, KEY_GREEN }, /* CEC Spec: F3 (Green) */ 155 { 0x74, KEY_YELLOW }, /* CEC Spec: F4 (Yellow) */ 156 { 0x75, KEY_F5 }, 157 { 0x76, KEY_DATA }, /* CEC Spec: Data - see Note 3 */ 158 /* 159 * Note 3: This is used, for example, to enter or leave a digital TV 160 * data broadcast application. 161 */ 162 /* 0x77-0xff: Reserved */ 163}; 164 165struct rc_map_list cec_map = { 166 .map = { 167 .scan = cec, 168 .size = ARRAY_SIZE(cec), 169 .rc_proto = RC_PROTO_CEC, 170 .name = RC_MAP_CEC, 171 } 172};