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  */
   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 #define LIRC_MODE2_OVERFLOW  0x04000000
  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 #define LIRC_OVERFLOW(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_OVERFLOW)
  29
  30 #define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
  31 #define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
  32
  33 #define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
  34 #define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
  35 #define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
  36 #define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
  37 #define LIRC_IS_OVERFLOW(val) (LIRC_MODE2(val) == LIRC_MODE2_OVERFLOW)
  38
  39 /* used heavily by lirc userspace */
  40 #define lirc_t int
  41
  42 /*** lirc compatible hardware features ***/
  43
  44 #define LIRC_MODE2SEND(x) (x)
  45 #define LIRC_SEND2MODE(x) (x)
  46 #define LIRC_MODE2REC(x) ((x) << 16)
  47 #define LIRC_REC2MODE(x) ((x) >> 16)
  48
  49 #define LIRC_MODE_RAW                  0x00000001
  50 #define LIRC_MODE_PULSE                0x00000002
  51 #define LIRC_MODE_MODE2                0x00000004
  52 #define LIRC_MODE_SCANCODE             0x00000008
  53 #define LIRC_MODE_LIRCCODE             0x00000010
  54
  55
  56 #define LIRC_CAN_SEND_RAW              LIRC_MODE2SEND(LIRC_MODE_RAW)
  57 #define LIRC_CAN_SEND_PULSE            LIRC_MODE2SEND(LIRC_MODE_PULSE)
  58 #define LIRC_CAN_SEND_MODE2            LIRC_MODE2SEND(LIRC_MODE_MODE2)
  59 #define LIRC_CAN_SEND_LIRCCODE         LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
  60
  61 #define LIRC_CAN_SEND_MASK             0x0000003f
  62
  63 #define LIRC_CAN_SET_SEND_CARRIER      0x00000100
  64 #define LIRC_CAN_SET_SEND_DUTY_CYCLE   0x00000200
  65 #define LIRC_CAN_SET_TRANSMITTER_MASK  0x00000400
  66
  67 #define LIRC_CAN_REC_RAW               LIRC_MODE2REC(LIRC_MODE_RAW)
  68 #define LIRC_CAN_REC_PULSE             LIRC_MODE2REC(LIRC_MODE_PULSE)
  69 #define LIRC_CAN_REC_MODE2             LIRC_MODE2REC(LIRC_MODE_MODE2)
  70 #define LIRC_CAN_REC_SCANCODE          LIRC_MODE2REC(LIRC_MODE_SCANCODE)
  71 #define LIRC_CAN_REC_LIRCCODE          LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
  72
  73 #define LIRC_CAN_REC_MASK              LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
  74
  75 #define LIRC_CAN_SET_REC_CARRIER       (LIRC_CAN_SET_SEND_CARRIER << 16)
  76
  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
  81 #define LIRC_CAN_MEASURE_CARRIER          0x02000000
  82 #define LIRC_CAN_USE_WIDEBAND_RECEIVER    0x04000000
  83
  84 #define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
  85 #define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
  86
  87 /*
  88  * Unused features. These features were never implemented, in tree or
  89  * out of tree. These definitions are here so not to break the lircd build.
  90  */
  91 #define LIRC_CAN_SET_REC_FILTER         0
  92 #define LIRC_CAN_NOTIFY_DECODE          0
  93
  94 /*** IOCTL commands for lirc driver ***/
  95
  96 #define LIRC_GET_FEATURES              _IOR('i', 0x00000000, __u32)
  97
  98 #define LIRC_GET_SEND_MODE             _IOR('i', 0x00000001, __u32)
  99 #define LIRC_GET_REC_MODE              _IOR('i', 0x00000002, __u32)
 100 #define LIRC_GET_REC_RESOLUTION        _IOR('i', 0x00000007, __u32)
 101
 102 #define LIRC_GET_MIN_TIMEOUT           _IOR('i', 0x00000008, __u32)
 103 #define LIRC_GET_MAX_TIMEOUT           _IOR('i', 0x00000009, __u32)
 104
 105 /* code length in bits, currently only for LIRC_MODE_LIRCCODE */
 106 #define LIRC_GET_LENGTH                _IOR('i', 0x0000000f, __u32)
 107
 108 #define LIRC_SET_SEND_MODE             _IOW('i', 0x00000011, __u32)
 109 #define LIRC_SET_REC_MODE              _IOW('i', 0x00000012, __u32)
 110 /* Note: these can reset the according pulse_width */
 111 #define LIRC_SET_SEND_CARRIER          _IOW('i', 0x00000013, __u32)
 112 #define LIRC_SET_REC_CARRIER           _IOW('i', 0x00000014, __u32)
 113 #define LIRC_SET_SEND_DUTY_CYCLE       _IOW('i', 0x00000015, __u32)
 114 #define LIRC_SET_TRANSMITTER_MASK      _IOW('i', 0x00000017, __u32)
 115
 116 /*
 117  * when a timeout != 0 is set the driver will send a
 118  * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
 119  * never sent, timeout is disabled by default
 120  */
 121 #define LIRC_SET_REC_TIMEOUT           _IOW('i', 0x00000018, __u32)
 122
 123 /* 1 enables, 0 disables timeout reports in MODE2 */
 124 #define LIRC_SET_REC_TIMEOUT_REPORTS   _IOW('i', 0x00000019, __u32)
 125
 126 /*
 127  * if enabled from the next key press on the driver will send
 128  * LIRC_MODE2_FREQUENCY packets
 129  */
 130 #define LIRC_SET_MEASURE_CARRIER_MODE   _IOW('i', 0x0000001d, __u32)
 131
 132 /*
 133  * to set a range use LIRC_SET_REC_CARRIER_RANGE with the
 134  * lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
 135  */
 136 #define LIRC_SET_REC_CARRIER_RANGE     _IOW('i', 0x0000001f, __u32)
 137
 138 #define LIRC_SET_WIDEBAND_RECEIVER     _IOW('i', 0x00000023, __u32)
 139
 140 /*
 141  * Return the recording timeout, which is either set by
 142  * the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.
 143  */
 144 #define LIRC_GET_REC_TIMEOUT           _IOR('i', 0x00000024, __u32)
 145
 146 /**
 147  * struct lirc_scancode - decoded scancode with protocol for use with
 148  *      LIRC_MODE_SCANCODE
 149  *
 150  * @timestamp: Timestamp in nanoseconds using CLOCK_MONOTONIC when IR
 151  *      was decoded.
 152  * @flags: should be 0 for transmit. When receiving scancodes,
 153  *      LIRC_SCANCODE_FLAG_TOGGLE or LIRC_SCANCODE_FLAG_REPEAT can be set
 154  *      depending on the protocol
 155  * @rc_proto: see enum rc_proto
 156  * @keycode: the translated keycode. Set to 0 for transmit.
 157  * @scancode: the scancode received or to be sent
 158  */
 159 struct lirc_scancode {
 160         __u64   timestamp;
 161         __u16   flags;
 162         __u16   rc_proto;
 163         __u32   keycode;
 164         __u64   scancode;
 165 };
 166
 167 /* Set if the toggle bit of rc-5 or rc-6 is enabled */
 168 #define LIRC_SCANCODE_FLAG_TOGGLE       1
 169 /* Set if this is a nec or sanyo repeat */
 170 #define LIRC_SCANCODE_FLAG_REPEAT       2
 171
 172 /**
 173  * enum rc_proto - the Remote Controller protocol
 174  *
 175  * @RC_PROTO_UNKNOWN: Protocol not known
 176  * @RC_PROTO_OTHER: Protocol known but proprietary
 177  * @RC_PROTO_RC5: Philips RC5 protocol
 178  * @RC_PROTO_RC5X_20: Philips RC5x 20 bit protocol
 179  * @RC_PROTO_RC5_SZ: StreamZap variant of RC5
 180  * @RC_PROTO_JVC: JVC protocol
 181  * @RC_PROTO_SONY12: Sony 12 bit protocol
 182  * @RC_PROTO_SONY15: Sony 15 bit protocol
 183  * @RC_PROTO_SONY20: Sony 20 bit protocol
 184  * @RC_PROTO_NEC: NEC protocol
 185  * @RC_PROTO_NECX: Extended NEC protocol
 186  * @RC_PROTO_NEC32: NEC 32 bit protocol
 187  * @RC_PROTO_SANYO: Sanyo protocol
 188  * @RC_PROTO_MCIR2_KBD: RC6-ish MCE keyboard
 189  * @RC_PROTO_MCIR2_MSE: RC6-ish MCE mouse
 190  * @RC_PROTO_RC6_0: Philips RC6-0-16 protocol
 191  * @RC_PROTO_RC6_6A_20: Philips RC6-6A-20 protocol
 192  * @RC_PROTO_RC6_6A_24: Philips RC6-6A-24 protocol
 193  * @RC_PROTO_RC6_6A_32: Philips RC6-6A-32 protocol
 194  * @RC_PROTO_RC6_MCE: MCE (Philips RC6-6A-32 subtype) protocol
 195  * @RC_PROTO_SHARP: Sharp protocol
 196  * @RC_PROTO_XMP: XMP protocol
 197  * @RC_PROTO_CEC: CEC protocol
 198  * @RC_PROTO_IMON: iMon Pad protocol
 199  * @RC_PROTO_RCMM12: RC-MM protocol 12 bits
 200  * @RC_PROTO_RCMM24: RC-MM protocol 24 bits
 201  * @RC_PROTO_RCMM32: RC-MM protocol 32 bits
 202  * @RC_PROTO_XBOX_DVD: Xbox DVD Movie Playback Kit protocol
 203  * @RC_PROTO_MAX: Maximum value of enum rc_proto
 204  */
 205 enum rc_proto {
 206         RC_PROTO_UNKNOWN        = 0,
 207         RC_PROTO_OTHER          = 1,
 208         RC_PROTO_RC5            = 2,
 209         RC_PROTO_RC5X_20        = 3,
 210         RC_PROTO_RC5_SZ         = 4,
 211         RC_PROTO_JVC            = 5,
 212         RC_PROTO_SONY12         = 6,
 213         RC_PROTO_SONY15         = 7,
 214         RC_PROTO_SONY20         = 8,
 215         RC_PROTO_NEC            = 9,
 216         RC_PROTO_NECX           = 10,
 217         RC_PROTO_NEC32          = 11,
 218         RC_PROTO_SANYO          = 12,
 219         RC_PROTO_MCIR2_KBD      = 13,
 220         RC_PROTO_MCIR2_MSE      = 14,
 221         RC_PROTO_RC6_0          = 15,
 222         RC_PROTO_RC6_6A_20      = 16,
 223         RC_PROTO_RC6_6A_24      = 17,
 224         RC_PROTO_RC6_6A_32      = 18,
 225         RC_PROTO_RC6_MCE        = 19,
 226         RC_PROTO_SHARP          = 20,
 227         RC_PROTO_XMP            = 21,
 228         RC_PROTO_CEC            = 22,
 229         RC_PROTO_IMON           = 23,
 230         RC_PROTO_RCMM12         = 24,
 231         RC_PROTO_RCMM24         = 25,
 232         RC_PROTO_RCMM32         = 26,
 233         RC_PROTO_XBOX_DVD       = 27,
 234         RC_PROTO_MAX            = RC_PROTO_XBOX_DVD,
 235 };
 236
 237 #endif