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authorKamil Debski <kamil@wypas.org>2015-08-17 11:47:41 (GMT)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 21:26:45 (GMT)
commit7b2cd0d8dacf0e72cf007e08ab4f82bc245169f7 (patch)
tree55ccc4e4b2130d9c870a4b828fef4e01e1b8b50c /drivers/media/rc
parentcbb5c8355aaf42e95f1b925bb5ded494dea540d9 (diff)
downloadlinux-7b2cd0d8dacf0e72cf007e08ab4f82bc245169f7.tar.xz
[media] rc-cec: Add HDMI CEC keymap module
Add the keymap module for HDMI CEC remote control commands. Signed-off-by: Kamil Debski <kamil@wypas.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/keymaps/Makefile1
-rw-r--r--drivers/media/rc/keymaps/rc-cec.c182
2 files changed, 183 insertions, 0 deletions
diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile
index fbbd3bb..9cffcc6 100644
--- a/drivers/media/rc/keymaps/Makefile
+++ b/drivers/media/rc/keymaps/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
rc-behold.o \
rc-behold-columbus.o \
rc-budget-ci-old.o \
+ rc-cec.o \
rc-cinergy-1400.o \
rc-cinergy.o \
rc-delock-61959.o \
diff --git a/drivers/media/rc/keymaps/rc-cec.c b/drivers/media/rc/keymaps/rc-cec.c
new file mode 100644
index 0000000..354c8e7
--- /dev/null
+++ b/drivers/media/rc/keymaps/rc-cec.c
@@ -0,0 +1,182 @@
+/* Keytable for the CEC remote control
+ *
+ * Copyright (c) 2015 by Kamil Debski
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#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_type = RC_TYPE_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");