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https://github.com/edk2-porting/linux-next.git
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95d1544eb6
Since the kernel now modifies the timeout, make it possible to retrieve the current value. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
224 lines
7.6 KiB
C
224 lines
7.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* lirc.h - linux infrared remote control header file
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* last modified 2010/07/13 by Jarod Wilson
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*/
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#ifndef _LINUX_LIRC_H
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#define _LINUX_LIRC_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#define PULSE_BIT 0x01000000
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#define PULSE_MASK 0x00FFFFFF
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#define LIRC_MODE2_SPACE 0x00000000
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#define LIRC_MODE2_PULSE 0x01000000
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#define LIRC_MODE2_FREQUENCY 0x02000000
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#define LIRC_MODE2_TIMEOUT 0x03000000
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#define LIRC_VALUE_MASK 0x00FFFFFF
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#define LIRC_MODE2_MASK 0xFF000000
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#define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
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#define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
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#define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
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#define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
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#define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
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#define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
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#define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
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#define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
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#define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
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#define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
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/* used heavily by lirc userspace */
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#define lirc_t int
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/*** lirc compatible hardware features ***/
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#define LIRC_MODE2SEND(x) (x)
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#define LIRC_SEND2MODE(x) (x)
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#define LIRC_MODE2REC(x) ((x) << 16)
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#define LIRC_REC2MODE(x) ((x) >> 16)
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#define LIRC_MODE_RAW 0x00000001
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#define LIRC_MODE_PULSE 0x00000002
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#define LIRC_MODE_MODE2 0x00000004
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#define LIRC_MODE_SCANCODE 0x00000008
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#define LIRC_MODE_LIRCCODE 0x00000010
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#define LIRC_CAN_SEND_RAW LIRC_MODE2SEND(LIRC_MODE_RAW)
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#define LIRC_CAN_SEND_PULSE LIRC_MODE2SEND(LIRC_MODE_PULSE)
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#define LIRC_CAN_SEND_MODE2 LIRC_MODE2SEND(LIRC_MODE_MODE2)
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#define LIRC_CAN_SEND_LIRCCODE LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
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#define LIRC_CAN_SEND_MASK 0x0000003f
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#define LIRC_CAN_SET_SEND_CARRIER 0x00000100
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#define LIRC_CAN_SET_SEND_DUTY_CYCLE 0x00000200
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#define LIRC_CAN_SET_TRANSMITTER_MASK 0x00000400
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#define LIRC_CAN_REC_RAW LIRC_MODE2REC(LIRC_MODE_RAW)
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#define LIRC_CAN_REC_PULSE LIRC_MODE2REC(LIRC_MODE_PULSE)
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#define LIRC_CAN_REC_MODE2 LIRC_MODE2REC(LIRC_MODE_MODE2)
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#define LIRC_CAN_REC_SCANCODE LIRC_MODE2REC(LIRC_MODE_SCANCODE)
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#define LIRC_CAN_REC_LIRCCODE LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
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#define LIRC_CAN_REC_MASK LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
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#define LIRC_CAN_SET_REC_CARRIER (LIRC_CAN_SET_SEND_CARRIER << 16)
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#define LIRC_CAN_SET_REC_DUTY_CYCLE (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
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#define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
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#define LIRC_CAN_SET_REC_CARRIER_RANGE 0x80000000
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#define LIRC_CAN_GET_REC_RESOLUTION 0x20000000
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#define LIRC_CAN_SET_REC_TIMEOUT 0x10000000
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#define LIRC_CAN_SET_REC_FILTER 0x08000000
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#define LIRC_CAN_MEASURE_CARRIER 0x02000000
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#define LIRC_CAN_USE_WIDEBAND_RECEIVER 0x04000000
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#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
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#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
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#define LIRC_CAN_NOTIFY_DECODE 0x01000000
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/*** IOCTL commands for lirc driver ***/
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#define LIRC_GET_FEATURES _IOR('i', 0x00000000, __u32)
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#define LIRC_GET_SEND_MODE _IOR('i', 0x00000001, __u32)
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#define LIRC_GET_REC_MODE _IOR('i', 0x00000002, __u32)
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#define LIRC_GET_REC_RESOLUTION _IOR('i', 0x00000007, __u32)
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#define LIRC_GET_MIN_TIMEOUT _IOR('i', 0x00000008, __u32)
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#define LIRC_GET_MAX_TIMEOUT _IOR('i', 0x00000009, __u32)
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/* code length in bits, currently only for LIRC_MODE_LIRCCODE */
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#define LIRC_GET_LENGTH _IOR('i', 0x0000000f, __u32)
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#define LIRC_SET_SEND_MODE _IOW('i', 0x00000011, __u32)
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#define LIRC_SET_REC_MODE _IOW('i', 0x00000012, __u32)
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/* Note: these can reset the according pulse_width */
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#define LIRC_SET_SEND_CARRIER _IOW('i', 0x00000013, __u32)
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#define LIRC_SET_REC_CARRIER _IOW('i', 0x00000014, __u32)
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#define LIRC_SET_SEND_DUTY_CYCLE _IOW('i', 0x00000015, __u32)
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#define LIRC_SET_TRANSMITTER_MASK _IOW('i', 0x00000017, __u32)
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/*
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* when a timeout != 0 is set the driver will send a
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* LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
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* never sent, timeout is disabled by default
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*/
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#define LIRC_SET_REC_TIMEOUT _IOW('i', 0x00000018, __u32)
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/* 1 enables, 0 disables timeout reports in MODE2 */
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#define LIRC_SET_REC_TIMEOUT_REPORTS _IOW('i', 0x00000019, __u32)
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/*
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* if enabled from the next key press on the driver will send
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* LIRC_MODE2_FREQUENCY packets
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*/
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#define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32)
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/*
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* to set a range use LIRC_SET_REC_CARRIER_RANGE with the
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* lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
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*/
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#define LIRC_SET_REC_CARRIER_RANGE _IOW('i', 0x0000001f, __u32)
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#define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32)
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/*
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* Return the recording timeout, which is either set by
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* the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.
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*/
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#define LIRC_GET_REC_TIMEOUT _IOR('i', 0x00000024, __u32)
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/*
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* struct lirc_scancode - decoded scancode with protocol for use with
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* LIRC_MODE_SCANCODE
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*
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* @timestamp: Timestamp in nanoseconds using CLOCK_MONOTONIC when IR
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* was decoded.
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* @flags: should be 0 for transmit. When receiving scancodes,
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* LIRC_SCANCODE_FLAG_TOGGLE or LIRC_SCANCODE_FLAG_REPEAT can be set
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* depending on the protocol
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* @rc_proto: see enum rc_proto
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* @keycode: the translated keycode. Set to 0 for transmit.
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* @scancode: the scancode received or to be sent
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*/
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struct lirc_scancode {
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__u64 timestamp;
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__u16 flags;
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__u16 rc_proto;
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__u32 keycode;
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__u64 scancode;
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};
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/* Set if the toggle bit of rc-5 or rc-6 is enabled */
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#define LIRC_SCANCODE_FLAG_TOGGLE 1
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/* Set if this is a nec or sanyo repeat */
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#define LIRC_SCANCODE_FLAG_REPEAT 2
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/**
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* enum rc_proto - the Remote Controller protocol
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*
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* @RC_PROTO_UNKNOWN: Protocol not known
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* @RC_PROTO_OTHER: Protocol known but proprietary
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* @RC_PROTO_RC5: Philips RC5 protocol
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* @RC_PROTO_RC5X_20: Philips RC5x 20 bit protocol
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* @RC_PROTO_RC5_SZ: StreamZap variant of RC5
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* @RC_PROTO_JVC: JVC protocol
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* @RC_PROTO_SONY12: Sony 12 bit protocol
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* @RC_PROTO_SONY15: Sony 15 bit protocol
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* @RC_PROTO_SONY20: Sony 20 bit protocol
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* @RC_PROTO_NEC: NEC protocol
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* @RC_PROTO_NECX: Extended NEC protocol
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* @RC_PROTO_NEC32: NEC 32 bit protocol
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* @RC_PROTO_SANYO: Sanyo protocol
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* @RC_PROTO_MCIR2_KBD: RC6-ish MCE keyboard
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* @RC_PROTO_MCIR2_MSE: RC6-ish MCE mouse
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* @RC_PROTO_RC6_0: Philips RC6-0-16 protocol
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* @RC_PROTO_RC6_6A_20: Philips RC6-6A-20 protocol
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* @RC_PROTO_RC6_6A_24: Philips RC6-6A-24 protocol
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* @RC_PROTO_RC6_6A_32: Philips RC6-6A-32 protocol
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* @RC_PROTO_RC6_MCE: MCE (Philips RC6-6A-32 subtype) protocol
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* @RC_PROTO_SHARP: Sharp protocol
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* @RC_PROTO_XMP: XMP protocol
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* @RC_PROTO_CEC: CEC protocol
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* @RC_PROTO_IMON: iMon Pad protocol
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*/
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enum rc_proto {
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RC_PROTO_UNKNOWN = 0,
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RC_PROTO_OTHER = 1,
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RC_PROTO_RC5 = 2,
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RC_PROTO_RC5X_20 = 3,
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RC_PROTO_RC5_SZ = 4,
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RC_PROTO_JVC = 5,
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RC_PROTO_SONY12 = 6,
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RC_PROTO_SONY15 = 7,
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RC_PROTO_SONY20 = 8,
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RC_PROTO_NEC = 9,
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RC_PROTO_NECX = 10,
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RC_PROTO_NEC32 = 11,
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RC_PROTO_SANYO = 12,
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RC_PROTO_MCIR2_KBD = 13,
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RC_PROTO_MCIR2_MSE = 14,
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RC_PROTO_RC6_0 = 15,
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RC_PROTO_RC6_6A_20 = 16,
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RC_PROTO_RC6_6A_24 = 17,
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RC_PROTO_RC6_6A_32 = 18,
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RC_PROTO_RC6_MCE = 19,
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RC_PROTO_SHARP = 20,
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RC_PROTO_XMP = 21,
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RC_PROTO_CEC = 22,
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RC_PROTO_IMON = 23,
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};
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#endif
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