/usr/include/lirc/include/media/lirc.h is in liblirc-dev 0.10.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* lirc.h - linux infrared remote control header file
* last modified 2010/07/13 by Jarod Wilson
*
* This file is a bundled copy of /usr/include/linux/lirc.h. On linux
* systems, the configure script checks for the system header and uses
* it if it exists in favor of this file. Using the system header is
* preferred.
*/
#ifndef _LINUX_LIRC_H
#define _LINUX_LIRC_H
#include <lirc/config.h>
#include <stdint.h>
#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
#else
#include <sys/types.h>
#endif
#ifdef HAVE_LINUX_IOCTL_H
#include <linux/ioctl.h>
#else
#include <sys/ioctl.h>
#endif
#if defined(_IOT_SIMPLE) && !defined(_IOT__IOTBASE___u32)
#define _IOT__IOTBASE___u32 _IOT_SIMPLE(__u32)
#endif
#define PULSE_BIT 0x01000000
#define PULSE_MASK 0x00FFFFFF
#define LIRC_MODE2_SPACE 0x00000000
#define LIRC_MODE2_PULSE 0x01000000
#define LIRC_MODE2_FREQUENCY 0x02000000
#define LIRC_MODE2_TIMEOUT 0x03000000
#define LIRC_VALUE_MASK 0x00FFFFFF
#define LIRC_MODE2_MASK 0xFF000000
#define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
#define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
#define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
#define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
#define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
#define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
#define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
#define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
#define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
#define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
/* used heavily by lirc userspace */
#define lirc_t int
/*** lirc compatible hardware features ***/
#define LIRC_MODE2SEND(x) (x)
#define LIRC_SEND2MODE(x) (x)
#define LIRC_MODE2REC(x) ((x) << 16)
#define LIRC_REC2MODE(x) ((x) >> 16)
#define LIRC_MODE_RAW 0x00000001
#define LIRC_MODE_PULSE 0x00000002
#define LIRC_MODE_MODE2 0x00000004
#define LIRC_MODE_LIRCCODE 0x00000010
#define LIRC_CAN_SEND_RAW LIRC_MODE2SEND(LIRC_MODE_RAW)
#define LIRC_CAN_SEND_PULSE LIRC_MODE2SEND(LIRC_MODE_PULSE)
#define LIRC_CAN_SEND_MODE2 LIRC_MODE2SEND(LIRC_MODE_MODE2)
#define LIRC_CAN_SEND_LIRCCODE LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
#define LIRC_CAN_SEND_MASK 0x0000003f
#define LIRC_CAN_SET_SEND_CARRIER 0x00000100
#define LIRC_CAN_SET_SEND_DUTY_CYCLE 0x00000200
#define LIRC_CAN_SET_TRANSMITTER_MASK 0x00000400
#define LIRC_CAN_REC_RAW LIRC_MODE2REC(LIRC_MODE_RAW)
#define LIRC_CAN_REC_PULSE LIRC_MODE2REC(LIRC_MODE_PULSE)
#define LIRC_CAN_REC_MODE2 LIRC_MODE2REC(LIRC_MODE_MODE2)
#define LIRC_CAN_REC_LIRCCODE LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
#define LIRC_CAN_REC_MASK LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
#define LIRC_CAN_SET_REC_CARRIER (LIRC_CAN_SET_SEND_CARRIER << 16)
#define LIRC_CAN_SET_REC_DUTY_CYCLE (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
#define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
#define LIRC_CAN_SET_REC_CARRIER_RANGE 0x80000000
#define LIRC_CAN_GET_REC_RESOLUTION 0x20000000
#define LIRC_CAN_SET_REC_TIMEOUT 0x10000000
#define LIRC_CAN_SET_REC_FILTER 0x08000000
#define LIRC_CAN_MEASURE_CARRIER 0x02000000
#define LIRC_CAN_USE_WIDEBAND_RECEIVER 0x04000000
#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
#define LIRC_CAN_NOTIFY_DECODE 0x01000000
/*** IOCTL commands for lirc driver ***/
#define LIRC_GET_FEATURES _IOR('i', 0x00000000, uint32_t)
#define LIRC_GET_SEND_MODE _IOR('i', 0x00000001, uint32_t)
#define LIRC_GET_REC_MODE _IOR('i', 0x00000002, uint32_t)
#define LIRC_GET_REC_RESOLUTION _IOR('i', 0x00000007, uint32_t)
#define LIRC_GET_MIN_TIMEOUT _IOR('i', 0x00000008, uint32_t)
#define LIRC_GET_MAX_TIMEOUT _IOR('i', 0x00000009, uint32_t)
/* code length in bits, currently only for LIRC_MODE_LIRCCODE */
#define LIRC_GET_LENGTH _IOR('i', 0x0000000f, uint32_t)
#define LIRC_SET_SEND_MODE _IOW('i', 0x00000011, uint32_t)
#define LIRC_SET_REC_MODE _IOW('i', 0x00000012, uint32_t)
/* Note: these can reset the according pulse_width */
#define LIRC_SET_SEND_CARRIER _IOW('i', 0x00000013, uint32_t)
#define LIRC_SET_REC_CARRIER _IOW('i', 0x00000014, uint32_t)
#define LIRC_SET_SEND_DUTY_CYCLE _IOW('i', 0x00000015, uint32_t)
#define LIRC_SET_TRANSMITTER_MASK _IOW('i', 0x00000017, uint32_t)
/*
* when a timeout != 0 is set the driver will send a
* LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
* never sent, timeout is disabled by default
*/
#define LIRC_SET_REC_TIMEOUT _IOW('i', 0x00000018, uint32_t)
/* 1 enables, 0 disables timeout reports in MODE2 */
#define LIRC_SET_REC_TIMEOUT_REPORTS _IOW('i', 0x00000019, uint32_t)
/*
* if enabled from the next key press on the driver will send
* LIRC_MODE2_FREQUENCY packets
*/
#define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, uint32_t)
/*
* to set a range use LIRC_SET_REC_CARRIER_RANGE with the
* lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
*/
#define LIRC_SET_REC_CARRIER_RANGE _IOW('i', 0x0000001f, uint32_t)
#define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, uint32_t)
#endif
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