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media: rc: rcmm decoder and encoder

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media: add support for RCMM infrared remote controls.

Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Patrick Lerda
2019-01-17 03:50:13 -05:00
committed by Mauro Carvalho Chehab
parent 12aceee1f4
commit 721074b034
11 changed files with 328 additions and 3 deletions
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12
tools/include/uapi/linux/lirc.h
View File

@@ -133,6 +133,12 @@
#define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32)
/*
* Return the recording timeout, which is either set by
* the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.
*/
#define LIRC_GET_REC_TIMEOUT _IOR('i', 0x00000024, __u32)
/*
* struct lirc_scancode - decoded scancode with protocol for use with
* LIRC_MODE_SCANCODE
@@ -186,6 +192,9 @@ struct lirc_scancode {
* @RC_PROTO_XMP: XMP protocol
* @RC_PROTO_CEC: CEC protocol
* @RC_PROTO_IMON: iMon Pad protocol
* @RC_PROTO_RCMM12: RC-MM protocol 12 bits
* @RC_PROTO_RCMM24: RC-MM protocol 24 bits
* @RC_PROTO_RCMM32: RC-MM protocol 32 bits
*/
enum rc_proto {
RC_PROTO_UNKNOWN = 0,
@@ -212,6 +221,9 @@ enum rc_proto {
RC_PROTO_XMP = 21,
RC_PROTO_CEC = 22,
RC_PROTO_IMON = 23,
RC_PROTO_RCMM12 = 24,
RC_PROTO_RCMM24 = 25,
RC_PROTO_RCMM32 = 26,
};
#endif

9
tools/testing/selftests/ir/ir_loopback.c
View File

@@ -51,6 +51,10 @@ static const struct {
{ RC_PROTO_RC6_6A_32, "rc-6-6a-32", 0xffffffff, "rc-6" },
{ RC_PROTO_RC6_MCE, "rc-6-mce", 0x00007fff, "rc-6" },
{ RC_PROTO_SHARP, "sharp", 0x1fff, "sharp" },
{ RC_PROTO_IMON, "imon", 0x7fffffff, "imon" },
{ RC_PROTO_RCMM12, "rcmm-12", 0x00000fff, "rcmm" },
{ RC_PROTO_RCMM24, "rcmm-24", 0x00ffffff, "rcmm" },
{ RC_PROTO_RCMM32, "rcmm-32", 0xffffffff, "rcmm" },
};
int lirc_open(const char *rc)
@@ -139,6 +143,11 @@ int main(int argc, char **argv)
(((scancode >> 8) ^ ~scancode) & 0xff) == 0)
continue;
if (rc_proto == RC_PROTO_RCMM32 &&
(scancode & 0x000c0000) != 0x000c0000 &&
scancode & 0x00008000)
continue;
struct lirc_scancode lsc = {
.rc_proto = rc_proto,
.scancode = scancode