linux-headers (unknown)

(root)/
include/
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