linux/include/media/lirc.h
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   1/*
   2 * lirc.h - linux infrared remote control header file
   3 * last modified 2010/07/13 by Jarod Wilson
   4 */
   5
   6#ifndef _LINUX_LIRC_H
   7#define _LINUX_LIRC_H
   8
   9#include <linux/types.h>
  10#include <linux/ioctl.h>
  11
  12#define PULSE_BIT       0x01000000
  13#define PULSE_MASK      0x00FFFFFF
  14
  15#define LIRC_MODE2_SPACE     0x00000000
  16#define LIRC_MODE2_PULSE     0x01000000
  17#define LIRC_MODE2_FREQUENCY 0x02000000
  18#define LIRC_MODE2_TIMEOUT   0x03000000
  19
  20#define LIRC_VALUE_MASK      0x00FFFFFF
  21#define LIRC_MODE2_MASK      0xFF000000
  22
  23#define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
  24#define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
  25#define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
  26#define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
  27
  28#define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
  29#define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
  30
  31#define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
  32#define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
  33#define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
  34#define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
  35
  36/* used heavily by lirc userspace */
  37#define lirc_t int
  38
  39/*** lirc compatible hardware features ***/
  40
  41#define LIRC_MODE2SEND(x) (x)
  42#define LIRC_SEND2MODE(x) (x)
  43#define LIRC_MODE2REC(x) ((x) << 16)
  44#define LIRC_REC2MODE(x) ((x) >> 16)
  45
  46#define LIRC_MODE_RAW                  0x00000001
  47#define LIRC_MODE_PULSE                0x00000002
  48#define LIRC_MODE_MODE2                0x00000004
  49#define LIRC_MODE_LIRCCODE             0x00000010
  50
  51
  52#define LIRC_CAN_SEND_RAW              LIRC_MODE2SEND(LIRC_MODE_RAW)
  53#define LIRC_CAN_SEND_PULSE            LIRC_MODE2SEND(LIRC_MODE_PULSE)
  54#define LIRC_CAN_SEND_MODE2            LIRC_MODE2SEND(LIRC_MODE_MODE2)
  55#define LIRC_CAN_SEND_LIRCCODE         LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
  56
  57#define LIRC_CAN_SEND_MASK             0x0000003f
  58
  59#define LIRC_CAN_SET_SEND_CARRIER      0x00000100
  60#define LIRC_CAN_SET_SEND_DUTY_CYCLE   0x00000200
  61#define LIRC_CAN_SET_TRANSMITTER_MASK  0x00000400
  62
  63#define LIRC_CAN_REC_RAW               LIRC_MODE2REC(LIRC_MODE_RAW)
  64#define LIRC_CAN_REC_PULSE             LIRC_MODE2REC(LIRC_MODE_PULSE)
  65#define LIRC_CAN_REC_MODE2             LIRC_MODE2REC(LIRC_MODE_MODE2)
  66#define LIRC_CAN_REC_LIRCCODE          LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
  67
  68#define LIRC_CAN_REC_MASK              LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
  69
  70#define LIRC_CAN_SET_REC_CARRIER       (LIRC_CAN_SET_SEND_CARRIER << 16)
  71#define LIRC_CAN_SET_REC_DUTY_CYCLE    (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
  72
  73#define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
  74#define LIRC_CAN_SET_REC_CARRIER_RANGE    0x80000000
  75#define LIRC_CAN_GET_REC_RESOLUTION       0x20000000
  76#define LIRC_CAN_SET_REC_TIMEOUT          0x10000000
  77#define LIRC_CAN_SET_REC_FILTER           0x08000000
  78
  79#define LIRC_CAN_MEASURE_CARRIER          0x02000000
  80#define LIRC_CAN_USE_WIDEBAND_RECEIVER    0x04000000
  81
  82#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
  83#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
  84
  85#define LIRC_CAN_NOTIFY_DECODE            0x01000000
  86
  87/*** IOCTL commands for lirc driver ***/
  88
  89#define LIRC_GET_FEATURES              _IOR('i', 0x00000000, __u32)
  90
  91#define LIRC_GET_SEND_MODE             _IOR('i', 0x00000001, __u32)
  92#define LIRC_GET_REC_MODE              _IOR('i', 0x00000002, __u32)
  93#define LIRC_GET_SEND_CARRIER          _IOR('i', 0x00000003, __u32)
  94#define LIRC_GET_REC_CARRIER           _IOR('i', 0x00000004, __u32)
  95#define LIRC_GET_SEND_DUTY_CYCLE       _IOR('i', 0x00000005, __u32)
  96#define LIRC_GET_REC_DUTY_CYCLE        _IOR('i', 0x00000006, __u32)
  97#define LIRC_GET_REC_RESOLUTION        _IOR('i', 0x00000007, __u32)
  98
  99#define LIRC_GET_MIN_TIMEOUT           _IOR('i', 0x00000008, __u32)
 100#define LIRC_GET_MAX_TIMEOUT           _IOR('i', 0x00000009, __u32)
 101
 102#define LIRC_GET_MIN_FILTER_PULSE      _IOR('i', 0x0000000a, __u32)
 103#define LIRC_GET_MAX_FILTER_PULSE      _IOR('i', 0x0000000b, __u32)
 104#define LIRC_GET_MIN_FILTER_SPACE      _IOR('i', 0x0000000c, __u32)
 105#define LIRC_GET_MAX_FILTER_SPACE      _IOR('i', 0x0000000d, __u32)
 106
 107/* code length in bits, currently only for LIRC_MODE_LIRCCODE */
 108#define LIRC_GET_LENGTH                _IOR('i', 0x0000000f, __u32)
 109
 110#define LIRC_SET_SEND_MODE             _IOW('i', 0x00000011, __u32)
 111#define LIRC_SET_REC_MODE              _IOW('i', 0x00000012, __u32)
 112/* Note: these can reset the according pulse_width */
 113#define LIRC_SET_SEND_CARRIER          _IOW('i', 0x00000013, __u32)
 114#define LIRC_SET_REC_CARRIER           _IOW('i', 0x00000014, __u32)
 115#define LIRC_SET_SEND_DUTY_CYCLE       _IOW('i', 0x00000015, __u32)
 116#define LIRC_SET_REC_DUTY_CYCLE        _IOW('i', 0x00000016, __u32)
 117#define LIRC_SET_TRANSMITTER_MASK      _IOW('i', 0x00000017, __u32)
 118
 119/*
 120 * when a timeout != 0 is set the driver will send a
 121 * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
 122 * never sent, timeout is disabled by default
 123 */
 124#define LIRC_SET_REC_TIMEOUT           _IOW('i', 0x00000018, __u32)
 125
 126/* 1 enables, 0 disables timeout reports in MODE2 */
 127#define LIRC_SET_REC_TIMEOUT_REPORTS   _IOW('i', 0x00000019, __u32)
 128
 129/*
 130 * pulses shorter than this are filtered out by hardware (software
 131 * emulation in lirc_dev?)
 132 */
 133#define LIRC_SET_REC_FILTER_PULSE      _IOW('i', 0x0000001a, __u32)
 134/*
 135 * spaces shorter than this are filtered out by hardware (software
 136 * emulation in lirc_dev?)
 137 */
 138#define LIRC_SET_REC_FILTER_SPACE      _IOW('i', 0x0000001b, __u32)
 139/*
 140 * if filter cannot be set independently for pulse/space, this should
 141 * be used
 142 */
 143#define LIRC_SET_REC_FILTER            _IOW('i', 0x0000001c, __u32)
 144
 145/*
 146 * if enabled from the next key press on the driver will send
 147 * LIRC_MODE2_FREQUENCY packets
 148 */
 149#define LIRC_SET_MEASURE_CARRIER_MODE   _IOW('i', 0x0000001d, __u32)
 150
 151/*
 152 * to set a range use
 153 * LIRC_SET_REC_DUTY_CYCLE_RANGE/LIRC_SET_REC_CARRIER_RANGE with the
 154 * lower bound first and later
 155 * LIRC_SET_REC_DUTY_CYCLE/LIRC_SET_REC_CARRIER with the upper bound
 156 */
 157
 158#define LIRC_SET_REC_DUTY_CYCLE_RANGE  _IOW('i', 0x0000001e, __u32)
 159#define LIRC_SET_REC_CARRIER_RANGE     _IOW('i', 0x0000001f, __u32)
 160
 161#define LIRC_NOTIFY_DECODE             _IO('i', 0x00000020)
 162
 163#define LIRC_SETUP_START               _IO('i', 0x00000021)
 164#define LIRC_SETUP_END                 _IO('i', 0x00000022)
 165
 166#define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)
 167
 168#endif
 169
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