media: rc: add new imon protocol decoder and encoder

PATCH New Sean Young 1 participant 1 message Mar 8, 2018

Subsystems (2)

Media (V4L/DVB) RC-core / lirc framework

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Sean Young

author maintainer

2018-03-08 11:32 UTC #0 lore raw

PATCH v2 1/1 media: rc: add new imon protocol decoder and encoder

This makes it possible to use the various iMON remotes with any raw IR RC device.

Signed-off-by Sean Young <[email protected]>

---
 drivers/media/rc/Kconfig               |   9 ++
 drivers/media/rc/Makefile              |   1 +
 drivers/media/rc/ir-imon-decoder.c     | 193 +++++++++++++++++++++++++++++++++
 drivers/media/rc/keymaps/rc-imon-pad.c |   3 +-
 drivers/media/rc/rc-core-priv.h        |   6 +
 drivers/media/rc/rc-main.c             |   3 +
 include/media/rc-map.h                 |   8 +-
 include/uapi/linux/lirc.h              |   2 +
 8 files changed, 220 insertions(+), 5 deletions(-)
 create mode 100644 drivers/media/rc/ir-imon-decoder.c

drivers/media/rc/Kconfig +9 -0

index 7ad05a6ef350..eb2c3b6eca7f 100644
@@ -111,6 +111,15 @@ config IR_XMP_DECODER
 	---help---
 	   Enable this option if you have IR with XMP protocol, and
 	   if the IR is decoded in software
+
+config IR_IMON_DECODER
+	tristate "Enable IR raw decoder for the iMON protocol"
+	depends on RC_CORE
+	---help---
+	   Enable this option if you have iMON PAD or Antec Veris infrared
+	   remote control and you would like to use it with a raw IR
+	   receiver, or if you wish to use an encoder to transmit this IR.
+
 endif #RC_DECODERS
 
 menuconfig RC_DEVICES

drivers/media/rc/Makefile +1 -0

index e098e127b26a..2e1c87066f6c 100644
@@ -14,6 +14,7 @@ obj-$(CONFIG_IR_SANYO_DECODER) += ir-sanyo-decoder.o
 obj-$(CONFIG_IR_SHARP_DECODER) += ir-sharp-decoder.o
 obj-$(CONFIG_IR_MCE_KBD_DECODER) += ir-mce_kbd-decoder.o
 obj-$(CONFIG_IR_XMP_DECODER) += ir-xmp-decoder.o
+obj-$(CONFIG_IR_IMON_DECODER) += ir-imon-decoder.o
 
 # stand-alone IR receivers/transmitters
 obj-$(CONFIG_RC_ATI_REMOTE) += ati_remote.o

drivers/media/rc/ir-imon-decoder.c new file +193 -0

193 lines not on this page · raw message

drivers/media/rc/keymaps/rc-imon-pad.c +1 -2

index a7296ffbf218..8501cf0a3253 100644
@@ -134,8 +134,7 @@ static struct rc_map_list imon_pad_map = {
 	.map = {
 		.scan     = imon_pad,
 		.size     = ARRAY_SIZE(imon_pad),
-		/* actual protocol details unknown, hardware decoder */
-		.rc_proto = RC_PROTO_OTHER,
+		.rc_proto = RC_PROTO_IMON,
 		.name     = RC_MAP_IMON_PAD,
 	}
 };

drivers/media/rc/rc-core-priv.h +6 -0

index 5e80b4273e2d..e0e6a17460f6 100644
@@ -118,6 +118,12 @@ struct ir_raw_event_ctrl {
 		unsigned count;
 		u32 durations[16];
 	} xmp;
+	struct imon_dec {
+		int state;
+		int count;
+		int last_chk;
+		unsigned int bits;
+	} imon;
 };
 
 /* macros for IR decoders */

drivers/media/rc/rc-main.c +3 -0

index 8621761a680f..b67be33bd62f 100644
@@ -68,6 +68,8 @@ static const struct {
 		.scancode_bits = 0x1fff, .repeat_period = 250 },
 	[RC_PROTO_XMP] = { .name = "xmp", .repeat_period = 250 },
 	[RC_PROTO_CEC] = { .name = "cec", .repeat_period = 550 },
+	[RC_PROTO_IMON] = { .name = "imon",
+		.scancode_bits = 0x7fffffff, .repeat_period = 250 },
 };
 
 /* Used to keep track of known keymaps */

@@ -1004,6 +1006,7 @@ static const struct {
 	  RC_PROTO_BIT_MCIR2_MSE, "mce_kbd",	"ir-mce_kbd-decoder"	},
 	{ RC_PROTO_BIT_XMP,	"xmp",		"ir-xmp-decoder"	},
 	{ RC_PROTO_BIT_CEC,	"cec",		NULL			},
+	{ RC_PROTO_BIT_IMON,	"imon",		"ir-imon-decoder"	},
 };
 
 /**

include/media/rc-map.h +5 -3

index 7fc84991bd12..bfa3017cecba 100644
@@ -36,6 +36,7 @@
 #define RC_PROTO_BIT_SHARP		BIT_ULL(RC_PROTO_SHARP)
 #define RC_PROTO_BIT_XMP		BIT_ULL(RC_PROTO_XMP)
 #define RC_PROTO_BIT_CEC		BIT_ULL(RC_PROTO_CEC)
+#define RC_PROTO_BIT_IMON		BIT_ULL(RC_PROTO_IMON)
 
 #define RC_PROTO_BIT_ALL \
 			(RC_PROTO_BIT_UNKNOWN | RC_PROTO_BIT_OTHER | \

@@ -49,7 +50,8 @@
 			 RC_PROTO_BIT_RC6_0 | RC_PROTO_BIT_RC6_6A_20 | \
 			 RC_PROTO_BIT_RC6_6A_24 | RC_PROTO_BIT_RC6_6A_32 | \
 			 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_SHARP | \
-			 RC_PROTO_BIT_XMP | RC_PROTO_BIT_CEC)
+			 RC_PROTO_BIT_XMP | RC_PROTO_BIT_CEC | \
+			 RC_PROTO_BIT_IMON)
 /* All rc protocols for which we have decoders */
 #define RC_PROTO_BIT_ALL_IR_DECODER \
 			(RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \

@@ -62,7 +64,7 @@
 			 RC_PROTO_BIT_RC6_0 | RC_PROTO_BIT_RC6_6A_20 | \
 			 RC_PROTO_BIT_RC6_6A_24 |  RC_PROTO_BIT_RC6_6A_32 | \
 			 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_SHARP | \
-			 RC_PROTO_BIT_XMP)
+			 RC_PROTO_BIT_XMP | RC_PROTO_BIT_IMON)
 
 #define RC_PROTO_BIT_ALL_IR_ENCODER \
 			(RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC5X_20 | \

@@ -75,7 +77,7 @@
 			 RC_PROTO_BIT_RC6_0 | RC_PROTO_BIT_RC6_6A_20 | \
 			 RC_PROTO_BIT_RC6_6A_24 | \
 			 RC_PROTO_BIT_RC6_6A_32 | RC_PROTO_BIT_RC6_MCE | \
-			 RC_PROTO_BIT_SHARP)
+			 RC_PROTO_BIT_SHARP | RC_PROTO_BIT_IMON)
 
 #define RC_SCANCODE_UNKNOWN(x)			(x)
 #define RC_SCANCODE_OTHER(x)			(x)

include/uapi/linux/lirc.h +2 -0

index 4fe580d36e41..948d9a491083 100644
@@ -186,6 +186,7 @@ struct lirc_scancode {
  * @RC_PROTO_SHARP: Sharp protocol
  * @RC_PROTO_XMP: XMP protocol
  * @RC_PROTO_CEC: CEC protocol
+ * @RC_PROTO_IMON: iMon Pad protocol
  */
 enum rc_proto {
 	RC_PROTO_UNKNOWN	= 0,

@@ -211,6 +212,7 @@ enum rc_proto {
 	RC_PROTO_SHARP		= 20,
 	RC_PROTO_XMP		= 21,
 	RC_PROTO_CEC		= 22,
+	RC_PROTO_IMON		= 23,
 };
 
 #endif

Signature · 1 line

2.14.3