LXR linux/include/uapi/linux/lirc.h

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2/*
   3 * lirc.h - linux infrared remote control header file
   4 * last modified 2010/07/13 by Jarod Wilson
   5 */
   6
   7#ifndef _LINUX_LIRC_H
   8#define _LINUX_LIRC_H
   9
  10#include <linux/types.h>
  11#include <linux/ioctl.h>
  12
  13#define PULSE_BIT       0x01000000
  14#define PULSE_MASK      0x00FFFFFF
  15
  16#define LIRC_MODE2_SPACE     0x00000000
  17#define LIRC_MODE2_PULSE     0x01000000
  18#define LIRC_MODE2_FREQUENCY 0x02000000
  19#define LIRC_MODE2_TIMEOUT   0x03000000
  20
  21#define LIRC_VALUE_MASK      0x00FFFFFF
  22#define LIRC_MODE2_MASK      0xFF000000
  23
  24#define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
  25#define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
  26#define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
  27#define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
  28
  29#define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
  30#define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
  31
  32#define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
  33#define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
  34#define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
  35#define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
  36
  37/* used heavily by lirc userspace */
  38#define lirc_t int
  39
  40/*** lirc compatible hardware features ***/
  41
  42#define LIRC_MODE2SEND(x) (x)
  43#define LIRC_SEND2MODE(x) (x)
  44#define LIRC_MODE2REC(x) ((x) << 16)
  45#define LIRC_REC2MODE(x) ((x) >> 16)
  46
  47#define LIRC_MODE_RAW                  0x00000001
  48#define LIRC_MODE_PULSE                0x00000002
  49#define LIRC_MODE_MODE2                0x00000004
  50#define LIRC_MODE_SCANCODE             0x00000008
  51#define LIRC_MODE_LIRCCODE             0x00000010
  52
  53
  54#define LIRC_CAN_SEND_RAW              LIRC_MODE2SEND(LIRC_MODE_RAW)
  55#define LIRC_CAN_SEND_PULSE            LIRC_MODE2SEND(LIRC_MODE_PULSE)
  56#define LIRC_CAN_SEND_MODE2            LIRC_MODE2SEND(LIRC_MODE_MODE2)
  57#define LIRC_CAN_SEND_LIRCCODE         LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
  58
  59#define LIRC_CAN_SEND_MASK             0x0000003f
  60
  61#define LIRC_CAN_SET_SEND_CARRIER      0x00000100
  62#define LIRC_CAN_SET_SEND_DUTY_CYCLE   0x00000200
  63#define LIRC_CAN_SET_TRANSMITTER_MASK  0x00000400
  64
  65#define LIRC_CAN_REC_RAW               LIRC_MODE2REC(LIRC_MODE_RAW)
  66#define LIRC_CAN_REC_PULSE             LIRC_MODE2REC(LIRC_MODE_PULSE)
  67#define LIRC_CAN_REC_MODE2             LIRC_MODE2REC(LIRC_MODE_MODE2)
  68#define LIRC_CAN_REC_SCANCODE          LIRC_MODE2REC(LIRC_MODE_SCANCODE)
  69#define LIRC_CAN_REC_LIRCCODE          LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
  70
  71#define LIRC_CAN_REC_MASK              LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
  72
  73#define LIRC_CAN_SET_REC_CARRIER       (LIRC_CAN_SET_SEND_CARRIER << 16)
  74#define LIRC_CAN_SET_REC_DUTY_CYCLE    (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
  75
  76#define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
  77#define LIRC_CAN_SET_REC_CARRIER_RANGE    0x80000000
  78#define LIRC_CAN_GET_REC_RESOLUTION       0x20000000
  79#define LIRC_CAN_SET_REC_TIMEOUT          0x10000000
  80#define LIRC_CAN_SET_REC_FILTER           0x08000000
  81
  82#define LIRC_CAN_MEASURE_CARRIER          0x02000000
  83#define LIRC_CAN_USE_WIDEBAND_RECEIVER    0x04000000
  84
  85#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
  86#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
  87
  88#define LIRC_CAN_NOTIFY_DECODE            0x01000000
  89
  90/*** IOCTL commands for lirc driver ***/
  91
  92#define LIRC_GET_FEATURES              _IOR('i', 0x00000000, __u32)
  93
  94#define LIRC_GET_SEND_MODE             _IOR('i', 0x00000001, __u32)
  95#define LIRC_GET_REC_MODE              _IOR('i', 0x00000002, __u32)
  96#define LIRC_GET_REC_RESOLUTION        _IOR('i', 0x00000007, __u32)
  97
  98#define LIRC_GET_MIN_TIMEOUT           _IOR('i', 0x00000008, __u32)
  99#define LIRC_GET_MAX_TIMEOUT           _IOR('i', 0x00000009, __u32)
 100
 101/* code length in bits, currently only for LIRC_MODE_LIRCCODE */
 102#define LIRC_GET_LENGTH                _IOR('i', 0x0000000f, __u32)
 103
 104#define LIRC_SET_SEND_MODE             _IOW('i', 0x00000011, __u32)
 105#define LIRC_SET_REC_MODE              _IOW('i', 0x00000012, __u32)
 106/* Note: these can reset the according pulse_width */
 107#define LIRC_SET_SEND_CARRIER          _IOW('i', 0x00000013, __u32)
 108#define LIRC_SET_REC_CARRIER           _IOW('i', 0x00000014, __u32)
 109#define LIRC_SET_SEND_DUTY_CYCLE       _IOW('i', 0x00000015, __u32)
 110#define LIRC_SET_TRANSMITTER_MASK      _IOW('i', 0x00000017, __u32)
 111
 112/*
 113 * when a timeout != 0 is set the driver will send a
 114 * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
 115 * never sent, timeout is disabled by default
 116 */
 117#define LIRC_SET_REC_TIMEOUT           _IOW('i', 0x00000018, __u32)
 118
 119/* 1 enables, 0 disables timeout reports in MODE2 */
 120#define LIRC_SET_REC_TIMEOUT_REPORTS   _IOW('i', 0x00000019, __u32)
 121
 122/*
 123 * if enabled from the next key press on the driver will send
 124 * LIRC_MODE2_FREQUENCY packets
 125 */
 126#define LIRC_SET_MEASURE_CARRIER_MODE   _IOW('i', 0x0000001d, __u32)
 127
 128/*
 129 * to set a range use LIRC_SET_REC_CARRIER_RANGE with the
 130 * lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
 131 */
 132#define LIRC_SET_REC_CARRIER_RANGE     _IOW('i', 0x0000001f, __u32)
 133
 134#define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)
 135
 136/*
 137 * Return the recording timeout, which is either set by
 138 * the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.
 139 */
 140#define LIRC_GET_REC_TIMEOUT           _IOR('i', 0x00000024, __u32)
 141
 142/*
 143 * struct lirc_scancode - decoded scancode with protocol for use with
 144 *      LIRC_MODE_SCANCODE
 145 *
 146 * @timestamp: Timestamp in nanoseconds using CLOCK_MONOTONIC when IR
 147 *      was decoded.
 148 * @flags: should be 0 for transmit. When receiving scancodes,
 149 *      LIRC_SCANCODE_FLAG_TOGGLE or LIRC_SCANCODE_FLAG_REPEAT can be set
 150 *      depending on the protocol
 151 * @rc_proto: see enum rc_proto
 152 * @keycode: the translated keycode. Set to 0 for transmit.
 153 * @scancode: the scancode received or to be sent
 154 */
 155struct lirc_scancode {
 156        __u64   timestamp;
 157        __u16   flags;
 158        __u16   rc_proto;
 159        __u32   keycode;
 160        __u64   scancode;
 161};
 162
 163/* Set if the toggle bit of rc-5 or rc-6 is enabled */
 164#define LIRC_SCANCODE_FLAG_TOGGLE       1
 165/* Set if this is a nec or sanyo repeat */
 166#define LIRC_SCANCODE_FLAG_REPEAT       2
 167
 168/**
 169 * enum rc_proto - the Remote Controller protocol
 170 *
 171 * @RC_PROTO_UNKNOWN: Protocol not known
 172 * @RC_PROTO_OTHER: Protocol known but proprietary
 173 * @RC_PROTO_RC5: Philips RC5 protocol
 174 * @RC_PROTO_RC5X_20: Philips RC5x 20 bit protocol
 175 * @RC_PROTO_RC5_SZ: StreamZap variant of RC5
 176 * @RC_PROTO_JVC: JVC protocol
 177 * @RC_PROTO_SONY12: Sony 12 bit protocol
 178 * @RC_PROTO_SONY15: Sony 15 bit protocol
 179 * @RC_PROTO_SONY20: Sony 20 bit protocol
 180 * @RC_PROTO_NEC: NEC protocol
 181 * @RC_PROTO_NECX: Extended NEC protocol
 182 * @RC_PROTO_NEC32: NEC 32 bit protocol
 183 * @RC_PROTO_SANYO: Sanyo protocol
 184 * @RC_PROTO_MCIR2_KBD: RC6-ish MCE keyboard
 185 * @RC_PROTO_MCIR2_MSE: RC6-ish MCE mouse
 186 * @RC_PROTO_RC6_0: Philips RC6-0-16 protocol
 187 * @RC_PROTO_RC6_6A_20: Philips RC6-6A-20 protocol
 188 * @RC_PROTO_RC6_6A_24: Philips RC6-6A-24 protocol
 189 * @RC_PROTO_RC6_6A_32: Philips RC6-6A-32 protocol
 190 * @RC_PROTO_RC6_MCE: MCE (Philips RC6-6A-32 subtype) protocol
 191 * @RC_PROTO_SHARP: Sharp protocol
 192 * @RC_PROTO_XMP: XMP protocol
 193 * @RC_PROTO_CEC: CEC protocol
 194 * @RC_PROTO_IMON: iMon Pad protocol
 195 */
 196enum rc_proto {
 197        RC_PROTO_UNKNOWN        = 0,
 198        RC_PROTO_OTHER          = 1,
 199        RC_PROTO_RC5            = 2,
 200        RC_PROTO_RC5X_20        = 3,
 201        RC_PROTO_RC5_SZ         = 4,
 202        RC_PROTO_JVC            = 5,
 203        RC_PROTO_SONY12         = 6,
 204        RC_PROTO_SONY15         = 7,
 205        RC_PROTO_SONY20         = 8,
 206        RC_PROTO_NEC            = 9,
 207        RC_PROTO_NECX           = 10,
 208        RC_PROTO_NEC32          = 11,
 209        RC_PROTO_SANYO          = 12,
 210        RC_PROTO_MCIR2_KBD      = 13,
 211        RC_PROTO_MCIR2_MSE      = 14,
 212        RC_PROTO_RC6_0          = 15,
 213        RC_PROTO_RC6_6A_20      = 16,
 214        RC_PROTO_RC6_6A_24      = 17,
 215        RC_PROTO_RC6_6A_32      = 18,
 216        RC_PROTO_RC6_MCE        = 19,
 217        RC_PROTO_SHARP          = 20,
 218        RC_PROTO_XMP            = 21,
 219        RC_PROTO_CEC            = 22,
 220        RC_PROTO_IMON           = 23,
 221};
 222
 223#endif
 224