lirc.h 8.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. /*
  3. * lirc.h - linux infrared remote control header file
  4. */
  5. #ifndef _LINUX_LIRC_H
  6. #define _LINUX_LIRC_H
  7. #include <linux/types.h>
  8. #include <linux/ioctl.h>
  9. #define PULSE_BIT 0x01000000
  10. #define PULSE_MASK 0x00FFFFFF
  11. #define LIRC_MODE2_SPACE 0x00000000
  12. #define LIRC_MODE2_PULSE 0x01000000
  13. #define LIRC_MODE2_FREQUENCY 0x02000000
  14. #define LIRC_MODE2_TIMEOUT 0x03000000
  15. #define LIRC_MODE2_OVERFLOW 0x04000000
  16. #define LIRC_VALUE_MASK 0x00FFFFFF
  17. #define LIRC_MODE2_MASK 0xFF000000
  18. #define LIRC_SPACE(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
  19. #define LIRC_PULSE(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
  20. #define LIRC_FREQUENCY(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
  21. #define LIRC_TIMEOUT(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
  22. #define LIRC_OVERFLOW(val) (((val) & LIRC_VALUE_MASK) | LIRC_MODE2_OVERFLOW)
  23. #define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
  24. #define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
  25. #define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
  26. #define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
  27. #define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
  28. #define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
  29. #define LIRC_IS_OVERFLOW(val) (LIRC_MODE2(val) == LIRC_MODE2_OVERFLOW)
  30. /* used heavily by lirc userspace */
  31. #define lirc_t int
  32. /*** lirc compatible hardware features ***/
  33. #define LIRC_MODE2SEND(x) (x)
  34. #define LIRC_SEND2MODE(x) (x)
  35. #define LIRC_MODE2REC(x) ((x) << 16)
  36. #define LIRC_REC2MODE(x) ((x) >> 16)
  37. #define LIRC_MODE_RAW 0x00000001
  38. #define LIRC_MODE_PULSE 0x00000002
  39. #define LIRC_MODE_MODE2 0x00000004
  40. #define LIRC_MODE_SCANCODE 0x00000008
  41. #define LIRC_MODE_LIRCCODE 0x00000010
  42. #define LIRC_CAN_SEND_RAW LIRC_MODE2SEND(LIRC_MODE_RAW)
  43. #define LIRC_CAN_SEND_PULSE LIRC_MODE2SEND(LIRC_MODE_PULSE)
  44. #define LIRC_CAN_SEND_MODE2 LIRC_MODE2SEND(LIRC_MODE_MODE2)
  45. #define LIRC_CAN_SEND_LIRCCODE LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
  46. #define LIRC_CAN_SEND_MASK 0x0000003f
  47. #define LIRC_CAN_SET_SEND_CARRIER 0x00000100
  48. #define LIRC_CAN_SET_SEND_DUTY_CYCLE 0x00000200
  49. #define LIRC_CAN_SET_TRANSMITTER_MASK 0x00000400
  50. #define LIRC_CAN_REC_RAW LIRC_MODE2REC(LIRC_MODE_RAW)
  51. #define LIRC_CAN_REC_PULSE LIRC_MODE2REC(LIRC_MODE_PULSE)
  52. #define LIRC_CAN_REC_MODE2 LIRC_MODE2REC(LIRC_MODE_MODE2)
  53. #define LIRC_CAN_REC_SCANCODE LIRC_MODE2REC(LIRC_MODE_SCANCODE)
  54. #define LIRC_CAN_REC_LIRCCODE LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
  55. #define LIRC_CAN_REC_MASK LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
  56. #define LIRC_CAN_SET_REC_CARRIER (LIRC_CAN_SET_SEND_CARRIER << 16)
  57. #define LIRC_CAN_SET_REC_CARRIER_RANGE 0x80000000
  58. #define LIRC_CAN_GET_REC_RESOLUTION 0x20000000
  59. #define LIRC_CAN_SET_REC_TIMEOUT 0x10000000
  60. #define LIRC_CAN_MEASURE_CARRIER 0x02000000
  61. #define LIRC_CAN_USE_WIDEBAND_RECEIVER 0x04000000
  62. #define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
  63. #define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
  64. /*
  65. * Unused features. These features were never implemented, in tree or
  66. * out of tree. These definitions are here so not to break the lircd build.
  67. */
  68. #define LIRC_CAN_SET_REC_FILTER 0
  69. #define LIRC_CAN_NOTIFY_DECODE 0
  70. /*** IOCTL commands for lirc driver ***/
  71. #define LIRC_GET_FEATURES _IOR('i', 0x00000000, __u32)
  72. #define LIRC_GET_SEND_MODE _IOR('i', 0x00000001, __u32)
  73. #define LIRC_GET_REC_MODE _IOR('i', 0x00000002, __u32)
  74. #define LIRC_GET_REC_RESOLUTION _IOR('i', 0x00000007, __u32)
  75. #define LIRC_GET_MIN_TIMEOUT _IOR('i', 0x00000008, __u32)
  76. #define LIRC_GET_MAX_TIMEOUT _IOR('i', 0x00000009, __u32)
  77. /* code length in bits, currently only for LIRC_MODE_LIRCCODE */
  78. #define LIRC_GET_LENGTH _IOR('i', 0x0000000f, __u32)
  79. #define LIRC_SET_SEND_MODE _IOW('i', 0x00000011, __u32)
  80. #define LIRC_SET_REC_MODE _IOW('i', 0x00000012, __u32)
  81. /* Note: these can reset the according pulse_width */
  82. #define LIRC_SET_SEND_CARRIER _IOW('i', 0x00000013, __u32)
  83. #define LIRC_SET_REC_CARRIER _IOW('i', 0x00000014, __u32)
  84. #define LIRC_SET_SEND_DUTY_CYCLE _IOW('i', 0x00000015, __u32)
  85. #define LIRC_SET_TRANSMITTER_MASK _IOW('i', 0x00000017, __u32)
  86. /*
  87. * when a timeout != 0 is set the driver will send a
  88. * LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
  89. * never sent, timeout is disabled by default
  90. */
  91. #define LIRC_SET_REC_TIMEOUT _IOW('i', 0x00000018, __u32)
  92. /* 1 enables, 0 disables timeout reports in MODE2 */
  93. #define LIRC_SET_REC_TIMEOUT_REPORTS _IOW('i', 0x00000019, __u32)
  94. /*
  95. * if enabled from the next key press on the driver will send
  96. * LIRC_MODE2_FREQUENCY packets
  97. */
  98. #define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32)
  99. /*
  100. * to set a range use LIRC_SET_REC_CARRIER_RANGE with the
  101. * lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
  102. */
  103. #define LIRC_SET_REC_CARRIER_RANGE _IOW('i', 0x0000001f, __u32)
  104. #define LIRC_SET_WIDEBAND_RECEIVER _IOW('i', 0x00000023, __u32)
  105. /*
  106. * Return the recording timeout, which is either set by
  107. * the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting the protocols.
  108. */
  109. #define LIRC_GET_REC_TIMEOUT _IOR('i', 0x00000024, __u32)
  110. /**
  111. * struct lirc_scancode - decoded scancode with protocol for use with
  112. * LIRC_MODE_SCANCODE
  113. *
  114. * @timestamp: Timestamp in nanoseconds using CLOCK_MONOTONIC when IR
  115. * was decoded.
  116. * @flags: should be 0 for transmit. When receiving scancodes,
  117. * LIRC_SCANCODE_FLAG_TOGGLE or LIRC_SCANCODE_FLAG_REPEAT can be set
  118. * depending on the protocol
  119. * @rc_proto: see enum rc_proto
  120. * @keycode: the translated keycode. Set to 0 for transmit.
  121. * @scancode: the scancode received or to be sent
  122. */
  123. struct lirc_scancode {
  124. __u64 timestamp;
  125. __u16 flags;
  126. __u16 rc_proto;
  127. __u32 keycode;
  128. __u64 scancode;
  129. };
  130. /* Set if the toggle bit of rc-5 or rc-6 is enabled */
  131. #define LIRC_SCANCODE_FLAG_TOGGLE 1
  132. /* Set if this is a nec or sanyo repeat */
  133. #define LIRC_SCANCODE_FLAG_REPEAT 2
  134. /**
  135. * enum rc_proto - the Remote Controller protocol
  136. *
  137. * @RC_PROTO_UNKNOWN: Protocol not known
  138. * @RC_PROTO_OTHER: Protocol known but proprietary
  139. * @RC_PROTO_RC5: Philips RC5 protocol
  140. * @RC_PROTO_RC5X_20: Philips RC5x 20 bit protocol
  141. * @RC_PROTO_RC5_SZ: StreamZap variant of RC5
  142. * @RC_PROTO_JVC: JVC protocol
  143. * @RC_PROTO_SONY12: Sony 12 bit protocol
  144. * @RC_PROTO_SONY15: Sony 15 bit protocol
  145. * @RC_PROTO_SONY20: Sony 20 bit protocol
  146. * @RC_PROTO_NEC: NEC protocol
  147. * @RC_PROTO_NECX: Extended NEC protocol
  148. * @RC_PROTO_NEC32: NEC 32 bit protocol
  149. * @RC_PROTO_SANYO: Sanyo protocol
  150. * @RC_PROTO_MCIR2_KBD: RC6-ish MCE keyboard
  151. * @RC_PROTO_MCIR2_MSE: RC6-ish MCE mouse
  152. * @RC_PROTO_RC6_0: Philips RC6-0-16 protocol
  153. * @RC_PROTO_RC6_6A_20: Philips RC6-6A-20 protocol
  154. * @RC_PROTO_RC6_6A_24: Philips RC6-6A-24 protocol
  155. * @RC_PROTO_RC6_6A_32: Philips RC6-6A-32 protocol
  156. * @RC_PROTO_RC6_MCE: MCE (Philips RC6-6A-32 subtype) protocol
  157. * @RC_PROTO_SHARP: Sharp protocol
  158. * @RC_PROTO_XMP: XMP protocol
  159. * @RC_PROTO_CEC: CEC protocol
  160. * @RC_PROTO_IMON: iMon Pad protocol
  161. * @RC_PROTO_RCMM12: RC-MM protocol 12 bits
  162. * @RC_PROTO_RCMM24: RC-MM protocol 24 bits
  163. * @RC_PROTO_RCMM32: RC-MM protocol 32 bits
  164. * @RC_PROTO_XBOX_DVD: Xbox DVD Movie Playback Kit protocol
  165. * @RC_PROTO_MAX: Maximum value of enum rc_proto
  166. */
  167. enum rc_proto {
  168. RC_PROTO_UNKNOWN = 0,
  169. RC_PROTO_OTHER = 1,
  170. RC_PROTO_RC5 = 2,
  171. RC_PROTO_RC5X_20 = 3,
  172. RC_PROTO_RC5_SZ = 4,
  173. RC_PROTO_JVC = 5,
  174. RC_PROTO_SONY12 = 6,
  175. RC_PROTO_SONY15 = 7,
  176. RC_PROTO_SONY20 = 8,
  177. RC_PROTO_NEC = 9,
  178. RC_PROTO_NECX = 10,
  179. RC_PROTO_NEC32 = 11,
  180. RC_PROTO_SANYO = 12,
  181. RC_PROTO_MCIR2_KBD = 13,
  182. RC_PROTO_MCIR2_MSE = 14,
  183. RC_PROTO_RC6_0 = 15,
  184. RC_PROTO_RC6_6A_20 = 16,
  185. RC_PROTO_RC6_6A_24 = 17,
  186. RC_PROTO_RC6_6A_32 = 18,
  187. RC_PROTO_RC6_MCE = 19,
  188. RC_PROTO_SHARP = 20,
  189. RC_PROTO_XMP = 21,
  190. RC_PROTO_CEC = 22,
  191. RC_PROTO_IMON = 23,
  192. RC_PROTO_RCMM12 = 24,
  193. RC_PROTO_RCMM24 = 25,
  194. RC_PROTO_RCMM32 = 26,
  195. RC_PROTO_XBOX_DVD = 27,
  196. RC_PROTO_MAX = RC_PROTO_XBOX_DVD,
  197. };
  198. #endif