linux/linux-5.4.31/drivers/media/rc/keymaps/rc-cec.c

179 lines
5.6 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/* Keytable for the CEC remote control
*
* Copyright (c) 2015 by Kamil Debski
*/
#include <media/rc-map.h>
#include <linux/module.h>
/*
* CEC Spec "High-Definition Multimedia Interface Specification" can be obtained
* here: http://xtreamerdev.googlecode.com/files/CEC_Specs.pdf
* The list of control codes is listed in Table 27: User Control Codes p. 95
*/
static struct rc_map_table cec[] = {
{ 0x00, KEY_OK },
{ 0x01, KEY_UP },
{ 0x02, KEY_DOWN },
{ 0x03, KEY_LEFT },
{ 0x04, KEY_RIGHT },
{ 0x05, KEY_RIGHT_UP },
{ 0x06, KEY_RIGHT_DOWN },
{ 0x07, KEY_LEFT_UP },
{ 0x08, KEY_LEFT_DOWN },
{ 0x09, KEY_ROOT_MENU }, /* CEC Spec: Device Root Menu - see Note 2 */
/*
* Note 2: This is the initial display that a device shows. It is
* device-dependent and can be, for example, a contents menu, setup
* menu, favorite menu or other menu. The actual menu displayed
* may also depend on the device's current state.
*/
{ 0x0a, KEY_SETUP },
{ 0x0b, KEY_MENU }, /* CEC Spec: Contents Menu */
{ 0x0c, KEY_FAVORITES }, /* CEC Spec: Favorite Menu */
{ 0x0d, KEY_EXIT },
/* 0x0e-0x0f: Reserved */
{ 0x10, KEY_MEDIA_TOP_MENU },
{ 0x11, KEY_CONTEXT_MENU },
/* 0x12-0x1c: Reserved */
{ 0x1d, KEY_DIGITS }, /* CEC Spec: select/toggle a Number Entry Mode */
{ 0x1e, KEY_NUMERIC_11 },
{ 0x1f, KEY_NUMERIC_12 },
/* 0x20-0x29: Keys 0 to 9 */
{ 0x20, KEY_NUMERIC_0 },
{ 0x21, KEY_NUMERIC_1 },
{ 0x22, KEY_NUMERIC_2 },
{ 0x23, KEY_NUMERIC_3 },
{ 0x24, KEY_NUMERIC_4 },
{ 0x25, KEY_NUMERIC_5 },
{ 0x26, KEY_NUMERIC_6 },
{ 0x27, KEY_NUMERIC_7 },
{ 0x28, KEY_NUMERIC_8 },
{ 0x29, KEY_NUMERIC_9 },
{ 0x2a, KEY_DOT },
{ 0x2b, KEY_ENTER },
{ 0x2c, KEY_CLEAR },
/* 0x2d-0x2e: Reserved */
{ 0x2f, KEY_NEXT_FAVORITE }, /* CEC Spec: Next Favorite */
{ 0x30, KEY_CHANNELUP },
{ 0x31, KEY_CHANNELDOWN },
{ 0x32, KEY_PREVIOUS }, /* CEC Spec: Previous Channel */
{ 0x33, KEY_SOUND }, /* CEC Spec: Sound Select */
{ 0x34, KEY_VIDEO }, /* 0x34: CEC Spec: Input Select */
{ 0x35, KEY_INFO }, /* CEC Spec: Display Information */
{ 0x36, KEY_HELP },
{ 0x37, KEY_PAGEUP },
{ 0x38, KEY_PAGEDOWN },
/* 0x39-0x3f: Reserved */
{ 0x40, KEY_POWER },
{ 0x41, KEY_VOLUMEUP },
{ 0x42, KEY_VOLUMEDOWN },
{ 0x43, KEY_MUTE },
{ 0x44, KEY_PLAYCD },
{ 0x45, KEY_STOPCD },
{ 0x46, KEY_PAUSECD },
{ 0x47, KEY_RECORD },
{ 0x48, KEY_REWIND },
{ 0x49, KEY_FASTFORWARD },
{ 0x4a, KEY_EJECTCD }, /* CEC Spec: Eject */
{ 0x4b, KEY_FORWARD },
{ 0x4c, KEY_BACK },
{ 0x4d, KEY_STOP_RECORD }, /* CEC Spec: Stop-Record */
{ 0x4e, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record */
/* 0x4f: Reserved */
{ 0x50, KEY_ANGLE },
{ 0x51, KEY_TV2 },
{ 0x52, KEY_VOD }, /* CEC Spec: Video on Demand */
{ 0x53, KEY_EPG },
{ 0x54, KEY_TIME }, /* CEC Spec: Timer */
{ 0x55, KEY_CONFIG },
/*
* The following codes are hard to implement at this moment, as they
* carry an additional additional argument. Most likely changes to RC
* framework are necessary.
* For now they are interpreted by the CEC framework as non keycodes
* and are passed as messages enabling user application to parse them.
*/
/* 0x56: CEC Spec: Select Broadcast Type */
/* 0x57: CEC Spec: Select Sound presentation */
{ 0x58, KEY_AUDIO_DESC }, /* CEC 2.0 and up */
{ 0x59, KEY_WWW }, /* CEC 2.0 and up */
{ 0x5a, KEY_3D_MODE }, /* CEC 2.0 and up */
/* 0x5b-0x5f: Reserved */
{ 0x60, KEY_PLAYCD }, /* CEC Spec: Play Function */
{ 0x6005, KEY_FASTFORWARD },
{ 0x6006, KEY_FASTFORWARD },
{ 0x6007, KEY_FASTFORWARD },
{ 0x6015, KEY_SLOW },
{ 0x6016, KEY_SLOW },
{ 0x6017, KEY_SLOW },
{ 0x6009, KEY_FASTREVERSE },
{ 0x600a, KEY_FASTREVERSE },
{ 0x600b, KEY_FASTREVERSE },
{ 0x6019, KEY_SLOWREVERSE },
{ 0x601a, KEY_SLOWREVERSE },
{ 0x601b, KEY_SLOWREVERSE },
{ 0x6020, KEY_REWIND },
{ 0x6024, KEY_PLAYCD },
{ 0x6025, KEY_PAUSECD },
{ 0x61, KEY_PLAYPAUSE }, /* CEC Spec: Pause-Play Function */
{ 0x62, KEY_RECORD }, /* Spec: Record Function */
{ 0x63, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record Function */
{ 0x64, KEY_STOPCD }, /* CEC Spec: Stop Function */
{ 0x65, KEY_MUTE }, /* CEC Spec: Mute Function */
{ 0x66, KEY_UNMUTE }, /* CEC Spec: Restore the volume */
/*
* The following codes are hard to implement at this moment, as they
* carry an additional additional argument. Most likely changes to RC
* framework are necessary.
* For now they are interpreted by the CEC framework as non keycodes
* and are passed as messages enabling user application to parse them.
*/
/* 0x67: CEC Spec: Tune Function */
/* 0x68: CEC Spec: Seleect Media Function */
/* 0x69: CEC Spec: Select A/V Input Function */
/* 0x6a: CEC Spec: Select Audio Input Function */
{ 0x6b, KEY_POWER }, /* CEC Spec: Power Toggle Function */
{ 0x6c, KEY_SLEEP }, /* CEC Spec: Power Off Function */
{ 0x6d, KEY_WAKEUP }, /* CEC Spec: Power On Function */
/* 0x6e-0x70: Reserved */
{ 0x71, KEY_BLUE }, /* CEC Spec: F1 (Blue) */
{ 0x72, KEY_RED }, /* CEC Spec: F2 (Red) */
{ 0x73, KEY_GREEN }, /* CEC Spec: F3 (Green) */
{ 0x74, KEY_YELLOW }, /* CEC Spec: F4 (Yellow) */
{ 0x75, KEY_F5 },
{ 0x76, KEY_DATA }, /* CEC Spec: Data - see Note 3 */
/*
* Note 3: This is used, for example, to enter or leave a digital TV
* data broadcast application.
*/
/* 0x77-0xff: Reserved */
};
static struct rc_map_list cec_map = {
.map = {
.scan = cec,
.size = ARRAY_SIZE(cec),
.rc_proto = RC_PROTO_CEC,
.name = RC_MAP_CEC,
}
};
static int __init init_rc_map_cec(void)
{
return rc_map_register(&cec_map);
}
static void __exit exit_rc_map_cec(void)
{
rc_map_unregister(&cec_map);
}
module_init(init_rc_map_cec);
module_exit(exit_rc_map_cec);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kamil Debski");