1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * cec - HDMI Consumer Electronics Control public header 4 * 5 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 6 */ 7 8 #ifndef _CEC_UAPI_H 9 #define _CEC_UAPI_H 10 11 #include <linux/types.h> 12 #include <linux/string.h> 13 14 #define CEC_MAX_MSG_SIZE 16 15 16 /** 17 * struct cec_msg - CEC message structure. 18 * @tx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 19 * driver when the message transmission has finished. 20 * @rx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 21 * driver when the message was received. 22 * @len: Length in bytes of the message. 23 * @timeout: The timeout (in ms) that is used to timeout CEC_RECEIVE. 24 * Set to 0 if you want to wait forever. This timeout can also be 25 * used with CEC_TRANSMIT as the timeout for waiting for a reply. 26 * If 0, then it will use a 1 second timeout instead of waiting 27 * forever as is done with CEC_RECEIVE. 28 * @sequence: The framework assigns a sequence number to messages that are 29 * sent. This can be used to track replies to previously sent 30 * messages. 31 * @flags: Set to 0. 32 * @msg: The message payload. 33 * @reply: This field is ignored with CEC_RECEIVE and is only used by 34 * CEC_TRANSMIT. If non-zero, then wait for a reply with this 35 * opcode. Set to CEC_MSG_FEATURE_ABORT if you want to wait for 36 * a possible ABORT reply. If there was an error when sending the 37 * msg or FeatureAbort was returned, then reply is set to 0. 38 * If reply is non-zero upon return, then len/msg are set to 39 * the received message. 40 * If reply is zero upon return and status has the 41 * CEC_TX_STATUS_FEATURE_ABORT bit set, then len/msg are set to 42 * the received feature abort message. 43 * If reply is zero upon return and status has the 44 * CEC_TX_STATUS_MAX_RETRIES bit set, then no reply was seen at 45 * all. If reply is non-zero for CEC_TRANSMIT and the message is a 46 * broadcast, then -EINVAL is returned. 47 * if reply is non-zero, then timeout is set to 1000 (the required 48 * maximum response time). 49 * @rx_status: The message receive status bits. Set by the driver. 50 * @tx_status: The message transmit status bits. Set by the driver. 51 * @tx_arb_lost_cnt: The number of 'Arbitration Lost' events. Set by the driver. 52 * @tx_nack_cnt: The number of 'Not Acknowledged' events. Set by the driver. 53 * @tx_low_drive_cnt: The number of 'Low Drive Detected' events. Set by the 54 * driver. 55 * @tx_error_cnt: The number of 'Error' events. Set by the driver. 56 */ 57 struct cec_msg { 58 __u64 tx_ts; 59 __u64 rx_ts; 60 __u32 len; 61 __u32 timeout; 62 __u32 sequence; 63 __u32 flags; 64 __u8 msg[CEC_MAX_MSG_SIZE]; 65 __u8 reply; 66 __u8 rx_status; 67 __u8 tx_status; 68 __u8 tx_arb_lost_cnt; 69 __u8 tx_nack_cnt; 70 __u8 tx_low_drive_cnt; 71 __u8 tx_error_cnt; 72 }; 73 74 /** 75 * cec_msg_initiator - return the initiator's logical address. 76 * @msg: the message structure 77 */ 78 static inline __u8 cec_msg_initiator(const struct cec_msg *msg) 79 { 80 return msg->msg[0] >> 4; 81 } 82 83 /** 84 * cec_msg_destination - return the destination's logical address. 85 * @msg: the message structure 86 */ 87 static inline __u8 cec_msg_destination(const struct cec_msg *msg) 88 { 89 return msg->msg[0] & 0xf; 90 } 91 92 /** 93 * cec_msg_opcode - return the opcode of the message, -1 for poll 94 * @msg: the message structure 95 */ 96 static inline int cec_msg_opcode(const struct cec_msg *msg) 97 { 98 return msg->len > 1 ? msg->msg[1] : -1; 99 } 100 101 /** 102 * cec_msg_is_broadcast - return true if this is a broadcast message. 103 * @msg: the message structure 104 */ 105 static inline int cec_msg_is_broadcast(const struct cec_msg *msg) 106 { 107 return (msg->msg[0] & 0xf) == 0xf; 108 } 109 110 /** 111 * cec_msg_init - initialize the message structure. 112 * @msg: the message structure 113 * @initiator: the logical address of the initiator 114 * @destination:the logical address of the destination (0xf for broadcast) 115 * 116 * The whole structure is zeroed, the len field is set to 1 (i.e. a poll 117 * message) and the initiator and destination are filled in. 118 */ 119 static inline void cec_msg_init(struct cec_msg *msg, 120 __u8 initiator, __u8 destination) 121 { 122 memset(msg, 0, sizeof(*msg)); 123 msg->msg[0] = (initiator << 4) | destination; 124 msg->len = 1; 125 } 126 127 /** 128 * cec_msg_set_reply_to - fill in destination/initiator in a reply message. 129 * @msg: the message structure for the reply 130 * @orig: the original message structure 131 * 132 * Set the msg destination to the orig initiator and the msg initiator to the 133 * orig destination. Note that msg and orig may be the same pointer, in which 134 * case the change is done in place. 135 */ 136 static inline void cec_msg_set_reply_to(struct cec_msg *msg, 137 struct cec_msg *orig) 138 { 139 /* The destination becomes the initiator and vice versa */ 140 msg->msg[0] = (cec_msg_destination(orig) << 4) | 141 cec_msg_initiator(orig); 142 msg->reply = msg->timeout = 0; 143 } 144 145 /* cec_msg flags field */ 146 #define CEC_MSG_FL_REPLY_TO_FOLLOWERS (1 << 0) 147 148 /* cec_msg tx/rx_status field */ 149 #define CEC_TX_STATUS_OK (1 << 0) 150 #define CEC_TX_STATUS_ARB_LOST (1 << 1) 151 #define CEC_TX_STATUS_NACK (1 << 2) 152 #define CEC_TX_STATUS_LOW_DRIVE (1 << 3) 153 #define CEC_TX_STATUS_ERROR (1 << 4) 154 #define CEC_TX_STATUS_MAX_RETRIES (1 << 5) 155 156 #define CEC_RX_STATUS_OK (1 << 0) 157 #define CEC_RX_STATUS_TIMEOUT (1 << 1) 158 #define CEC_RX_STATUS_FEATURE_ABORT (1 << 2) 159 160 static inline int cec_msg_status_is_ok(const struct cec_msg *msg) 161 { 162 if (msg->tx_status && !(msg->tx_status & CEC_TX_STATUS_OK)) 163 return 0; 164 if (msg->rx_status && !(msg->rx_status & CEC_RX_STATUS_OK)) 165 return 0; 166 if (!msg->tx_status && !msg->rx_status) 167 return 0; 168 return !(msg->rx_status & CEC_RX_STATUS_FEATURE_ABORT); 169 } 170 171 #define CEC_LOG_ADDR_INVALID 0xff 172 #define CEC_PHYS_ADDR_INVALID 0xffff 173 174 /* 175 * The maximum number of logical addresses one device can be assigned to. 176 * The CEC 2.0 spec allows for only 2 logical addresses at the moment. The 177 * Analog Devices CEC hardware supports 3. So let's go wild and go for 4. 178 */ 179 #define CEC_MAX_LOG_ADDRS 4 180 181 /* The logical addresses defined by CEC 2.0 */ 182 #define CEC_LOG_ADDR_TV 0 183 #define CEC_LOG_ADDR_RECORD_1 1 184 #define CEC_LOG_ADDR_RECORD_2 2 185 #define CEC_LOG_ADDR_TUNER_1 3 186 #define CEC_LOG_ADDR_PLAYBACK_1 4 187 #define CEC_LOG_ADDR_AUDIOSYSTEM 5 188 #define CEC_LOG_ADDR_TUNER_2 6 189 #define CEC_LOG_ADDR_TUNER_3 7 190 #define CEC_LOG_ADDR_PLAYBACK_2 8 191 #define CEC_LOG_ADDR_RECORD_3 9 192 #define CEC_LOG_ADDR_TUNER_4 10 193 #define CEC_LOG_ADDR_PLAYBACK_3 11 194 #define CEC_LOG_ADDR_BACKUP_1 12 195 #define CEC_LOG_ADDR_BACKUP_2 13 196 #define CEC_LOG_ADDR_SPECIFIC 14 197 #define CEC_LOG_ADDR_UNREGISTERED 15 /* as initiator address */ 198 #define CEC_LOG_ADDR_BROADCAST 15 /* as destination address */ 199 200 /* The logical address types that the CEC device wants to claim */ 201 #define CEC_LOG_ADDR_TYPE_TV 0 202 #define CEC_LOG_ADDR_TYPE_RECORD 1 203 #define CEC_LOG_ADDR_TYPE_TUNER 2 204 #define CEC_LOG_ADDR_TYPE_PLAYBACK 3 205 #define CEC_LOG_ADDR_TYPE_AUDIOSYSTEM 4 206 #define CEC_LOG_ADDR_TYPE_SPECIFIC 5 207 #define CEC_LOG_ADDR_TYPE_UNREGISTERED 6 208 /* 209 * Switches should use UNREGISTERED. 210 * Processors should use SPECIFIC. 211 */ 212 213 #define CEC_LOG_ADDR_MASK_TV (1 << CEC_LOG_ADDR_TV) 214 #define CEC_LOG_ADDR_MASK_RECORD ((1 << CEC_LOG_ADDR_RECORD_1) | \ 215 (1 << CEC_LOG_ADDR_RECORD_2) | \ 216 (1 << CEC_LOG_ADDR_RECORD_3)) 217 #define CEC_LOG_ADDR_MASK_TUNER ((1 << CEC_LOG_ADDR_TUNER_1) | \ 218 (1 << CEC_LOG_ADDR_TUNER_2) | \ 219 (1 << CEC_LOG_ADDR_TUNER_3) | \ 220 (1 << CEC_LOG_ADDR_TUNER_4)) 221 #define CEC_LOG_ADDR_MASK_PLAYBACK ((1 << CEC_LOG_ADDR_PLAYBACK_1) | \ 222 (1 << CEC_LOG_ADDR_PLAYBACK_2) | \ 223 (1 << CEC_LOG_ADDR_PLAYBACK_3)) 224 #define CEC_LOG_ADDR_MASK_AUDIOSYSTEM (1 << CEC_LOG_ADDR_AUDIOSYSTEM) 225 #define CEC_LOG_ADDR_MASK_BACKUP ((1 << CEC_LOG_ADDR_BACKUP_1) | \ 226 (1 << CEC_LOG_ADDR_BACKUP_2)) 227 #define CEC_LOG_ADDR_MASK_SPECIFIC (1 << CEC_LOG_ADDR_SPECIFIC) 228 #define CEC_LOG_ADDR_MASK_UNREGISTERED (1 << CEC_LOG_ADDR_UNREGISTERED) 229 230 static inline int cec_has_tv(__u16 log_addr_mask) 231 { 232 return log_addr_mask & CEC_LOG_ADDR_MASK_TV; 233 } 234 235 static inline int cec_has_record(__u16 log_addr_mask) 236 { 237 return log_addr_mask & CEC_LOG_ADDR_MASK_RECORD; 238 } 239 240 static inline int cec_has_tuner(__u16 log_addr_mask) 241 { 242 return log_addr_mask & CEC_LOG_ADDR_MASK_TUNER; 243 } 244 245 static inline int cec_has_playback(__u16 log_addr_mask) 246 { 247 return log_addr_mask & CEC_LOG_ADDR_MASK_PLAYBACK; 248 } 249 250 static inline int cec_has_audiosystem(__u16 log_addr_mask) 251 { 252 return log_addr_mask & CEC_LOG_ADDR_MASK_AUDIOSYSTEM; 253 } 254 255 static inline int cec_has_backup(__u16 log_addr_mask) 256 { 257 return log_addr_mask & CEC_LOG_ADDR_MASK_BACKUP; 258 } 259 260 static inline int cec_has_specific(__u16 log_addr_mask) 261 { 262 return log_addr_mask & CEC_LOG_ADDR_MASK_SPECIFIC; 263 } 264 265 static inline int cec_is_unregistered(__u16 log_addr_mask) 266 { 267 return log_addr_mask & CEC_LOG_ADDR_MASK_UNREGISTERED; 268 } 269 270 static inline int cec_is_unconfigured(__u16 log_addr_mask) 271 { 272 return log_addr_mask == 0; 273 } 274 275 /* 276 * Use this if there is no vendor ID (CEC_G_VENDOR_ID) or if the vendor ID 277 * should be disabled (CEC_S_VENDOR_ID) 278 */ 279 #define CEC_VENDOR_ID_NONE 0xffffffff 280 281 /* The message handling modes */ 282 /* Modes for initiator */ 283 #define CEC_MODE_NO_INITIATOR (0x0 << 0) 284 #define CEC_MODE_INITIATOR (0x1 << 0) 285 #define CEC_MODE_EXCL_INITIATOR (0x2 << 0) 286 #define CEC_MODE_INITIATOR_MSK 0x0f 287 288 /* Modes for follower */ 289 #define CEC_MODE_NO_FOLLOWER (0x0 << 4) 290 #define CEC_MODE_FOLLOWER (0x1 << 4) 291 #define CEC_MODE_EXCL_FOLLOWER (0x2 << 4) 292 #define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4) 293 #define CEC_MODE_MONITOR_PIN (0xd << 4) 294 #define CEC_MODE_MONITOR (0xe << 4) 295 #define CEC_MODE_MONITOR_ALL (0xf << 4) 296 #define CEC_MODE_FOLLOWER_MSK 0xf0 297 298 /* Userspace has to configure the physical address */ 299 #define CEC_CAP_PHYS_ADDR (1 << 0) 300 /* Userspace has to configure the logical addresses */ 301 #define CEC_CAP_LOG_ADDRS (1 << 1) 302 /* Userspace can transmit messages (and thus become follower as well) */ 303 #define CEC_CAP_TRANSMIT (1 << 2) 304 /* 305 * Passthrough all messages instead of processing them. 306 */ 307 #define CEC_CAP_PASSTHROUGH (1 << 3) 308 /* Supports remote control */ 309 #define CEC_CAP_RC (1 << 4) 310 /* Hardware can monitor all messages, not just directed and broadcast. */ 311 #define CEC_CAP_MONITOR_ALL (1 << 5) 312 /* Hardware can use CEC only if the HDMI HPD pin is high. */ 313 #define CEC_CAP_NEEDS_HPD (1 << 6) 314 /* Hardware can monitor CEC pin transitions */ 315 #define CEC_CAP_MONITOR_PIN (1 << 7) 316 317 /** 318 * struct cec_caps - CEC capabilities structure. 319 * @driver: name of the CEC device driver. 320 * @name: name of the CEC device. @driver + @name must be unique. 321 * @available_log_addrs: number of available logical addresses. 322 * @capabilities: capabilities of the CEC adapter. 323 * @version: version of the CEC adapter framework. 324 */ 325 struct cec_caps { 326 char driver[32]; 327 char name[32]; 328 __u32 available_log_addrs; 329 __u32 capabilities; 330 __u32 version; 331 }; 332 333 /** 334 * struct cec_log_addrs - CEC logical addresses structure. 335 * @log_addr: the claimed logical addresses. Set by the driver. 336 * @log_addr_mask: current logical address mask. Set by the driver. 337 * @cec_version: the CEC version that the adapter should implement. Set by the 338 * caller. 339 * @num_log_addrs: how many logical addresses should be claimed. Set by the 340 * caller. 341 * @vendor_id: the vendor ID of the device. Set by the caller. 342 * @flags: flags. 343 * @osd_name: the OSD name of the device. Set by the caller. 344 * @primary_device_type: the primary device type for each logical address. 345 * Set by the caller. 346 * @log_addr_type: the logical address types. Set by the caller. 347 * @all_device_types: CEC 2.0: all device types represented by the logical 348 * address. Set by the caller. 349 * @features: CEC 2.0: The logical address features. Set by the caller. 350 */ 351 struct cec_log_addrs { 352 __u8 log_addr[CEC_MAX_LOG_ADDRS]; 353 __u16 log_addr_mask; 354 __u8 cec_version; 355 __u8 num_log_addrs; 356 __u32 vendor_id; 357 __u32 flags; 358 char osd_name[15]; 359 __u8 primary_device_type[CEC_MAX_LOG_ADDRS]; 360 __u8 log_addr_type[CEC_MAX_LOG_ADDRS]; 361 362 /* CEC 2.0 */ 363 __u8 all_device_types[CEC_MAX_LOG_ADDRS]; 364 __u8 features[CEC_MAX_LOG_ADDRS][12]; 365 }; 366 367 /* Allow a fallback to unregistered */ 368 #define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0) 369 /* Passthrough RC messages to the input subsystem */ 370 #define CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU (1 << 1) 371 /* CDC-Only device: supports only CDC messages */ 372 #define CEC_LOG_ADDRS_FL_CDC_ONLY (1 << 2) 373 374 /* Events */ 375 376 /* Event that occurs when the adapter state changes */ 377 #define CEC_EVENT_STATE_CHANGE 1 378 /* 379 * This event is sent when messages are lost because the application 380 * didn't empty the message queue in time 381 */ 382 #define CEC_EVENT_LOST_MSGS 2 383 #define CEC_EVENT_PIN_CEC_LOW 3 384 #define CEC_EVENT_PIN_CEC_HIGH 4 385 #define CEC_EVENT_PIN_HPD_LOW 5 386 #define CEC_EVENT_PIN_HPD_HIGH 6 387 388 #define CEC_EVENT_FL_INITIAL_STATE (1 << 0) 389 #define CEC_EVENT_FL_DROPPED_EVENTS (1 << 1) 390 391 /** 392 * struct cec_event_state_change - used when the CEC adapter changes state. 393 * @phys_addr: the current physical address 394 * @log_addr_mask: the current logical address mask 395 */ 396 struct cec_event_state_change { 397 __u16 phys_addr; 398 __u16 log_addr_mask; 399 }; 400 401 /** 402 * struct cec_event_lost_msgs - tells you how many messages were lost. 403 * @lost_msgs: how many messages were lost. 404 */ 405 struct cec_event_lost_msgs { 406 __u32 lost_msgs; 407 }; 408 409 /** 410 * struct cec_event - CEC event structure 411 * @ts: the timestamp of when the event was sent. 412 * @event: the event. 413 * array. 414 * @state_change: the event payload for CEC_EVENT_STATE_CHANGE. 415 * @lost_msgs: the event payload for CEC_EVENT_LOST_MSGS. 416 * @raw: array to pad the union. 417 */ 418 struct cec_event { 419 __u64 ts; 420 __u32 event; 421 __u32 flags; 422 union { 423 struct cec_event_state_change state_change; 424 struct cec_event_lost_msgs lost_msgs; 425 __u32 raw[16]; 426 }; 427 }; 428 429 /* ioctls */ 430 431 /* Adapter capabilities */ 432 #define CEC_ADAP_G_CAPS _IOWR('a', 0, struct cec_caps) 433 434 /* 435 * phys_addr is either 0 (if this is the CEC root device) 436 * or a valid physical address obtained from the sink's EDID 437 * as read by this CEC device (if this is a source device) 438 * or a physical address obtained and modified from a sink 439 * EDID and used for a sink CEC device. 440 * If nothing is connected, then phys_addr is 0xffff. 441 * See HDMI 1.4b, section 8.7 (Physical Address). 442 * 443 * The CEC_ADAP_S_PHYS_ADDR ioctl may not be available if that is handled 444 * internally. 445 */ 446 #define CEC_ADAP_G_PHYS_ADDR _IOR('a', 1, __u16) 447 #define CEC_ADAP_S_PHYS_ADDR _IOW('a', 2, __u16) 448 449 /* 450 * Configure the CEC adapter. It sets the device type and which 451 * logical types it will try to claim. It will return which 452 * logical addresses it could actually claim. 453 * An error is returned if the adapter is disabled or if there 454 * is no physical address assigned. 455 */ 456 457 #define CEC_ADAP_G_LOG_ADDRS _IOR('a', 3, struct cec_log_addrs) 458 #define CEC_ADAP_S_LOG_ADDRS _IOWR('a', 4, struct cec_log_addrs) 459 460 /* Transmit/receive a CEC command */ 461 #define CEC_TRANSMIT _IOWR('a', 5, struct cec_msg) 462 #define CEC_RECEIVE _IOWR('a', 6, struct cec_msg) 463 464 /* Dequeue CEC events */ 465 #define CEC_DQEVENT _IOWR('a', 7, struct cec_event) 466 467 /* 468 * Get and set the message handling mode for this filehandle. 469 */ 470 #define CEC_G_MODE _IOR('a', 8, __u32) 471 #define CEC_S_MODE _IOW('a', 9, __u32) 472 473 /* 474 * The remainder of this header defines all CEC messages and operands. 475 * The format matters since it the cec-ctl utility parses it to generate 476 * code for implementing all these messages. 477 * 478 * Comments ending with 'Feature' group messages for each feature. 479 * If messages are part of multiple features, then the "Has also" 480 * comment is used to list the previously defined messages that are 481 * supported by the feature. 482 * 483 * Before operands are defined a comment is added that gives the 484 * name of the operand and in brackets the variable name of the 485 * corresponding argument in the cec-funcs.h function. 486 */ 487 488 /* Messages */ 489 490 /* One Touch Play Feature */ 491 #define CEC_MSG_ACTIVE_SOURCE 0x82 492 #define CEC_MSG_IMAGE_VIEW_ON 0x04 493 #define CEC_MSG_TEXT_VIEW_ON 0x0d 494 495 496 /* Routing Control Feature */ 497 498 /* 499 * Has also: 500 * CEC_MSG_ACTIVE_SOURCE 501 */ 502 503 #define CEC_MSG_INACTIVE_SOURCE 0x9d 504 #define CEC_MSG_REQUEST_ACTIVE_SOURCE 0x85 505 #define CEC_MSG_ROUTING_CHANGE 0x80 506 #define CEC_MSG_ROUTING_INFORMATION 0x81 507 #define CEC_MSG_SET_STREAM_PATH 0x86 508 509 510 /* Standby Feature */ 511 #define CEC_MSG_STANDBY 0x36 512 513 514 /* One Touch Record Feature */ 515 #define CEC_MSG_RECORD_OFF 0x0b 516 #define CEC_MSG_RECORD_ON 0x09 517 /* Record Source Type Operand (rec_src_type) */ 518 #define CEC_OP_RECORD_SRC_OWN 1 519 #define CEC_OP_RECORD_SRC_DIGITAL 2 520 #define CEC_OP_RECORD_SRC_ANALOG 3 521 #define CEC_OP_RECORD_SRC_EXT_PLUG 4 522 #define CEC_OP_RECORD_SRC_EXT_PHYS_ADDR 5 523 /* Service Identification Method Operand (service_id_method) */ 524 #define CEC_OP_SERVICE_ID_METHOD_BY_DIG_ID 0 525 #define CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL 1 526 /* Digital Service Broadcast System Operand (dig_bcast_system) */ 527 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_GEN 0x00 528 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN 0x01 529 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_GEN 0x02 530 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_BS 0x08 531 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_CS 0x09 532 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_T 0x0a 533 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE 0x10 534 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT 0x11 535 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T 0x12 536 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_C 0x18 537 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S 0x19 538 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S2 0x1a 539 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_T 0x1b 540 /* Analogue Broadcast Type Operand (ana_bcast_type) */ 541 #define CEC_OP_ANA_BCAST_TYPE_CABLE 0 542 #define CEC_OP_ANA_BCAST_TYPE_SATELLITE 1 543 #define CEC_OP_ANA_BCAST_TYPE_TERRESTRIAL 2 544 /* Broadcast System Operand (bcast_system) */ 545 #define CEC_OP_BCAST_SYSTEM_PAL_BG 0x00 546 #define CEC_OP_BCAST_SYSTEM_SECAM_LQ 0x01 /* SECAM L' */ 547 #define CEC_OP_BCAST_SYSTEM_PAL_M 0x02 548 #define CEC_OP_BCAST_SYSTEM_NTSC_M 0x03 549 #define CEC_OP_BCAST_SYSTEM_PAL_I 0x04 550 #define CEC_OP_BCAST_SYSTEM_SECAM_DK 0x05 551 #define CEC_OP_BCAST_SYSTEM_SECAM_BG 0x06 552 #define CEC_OP_BCAST_SYSTEM_SECAM_L 0x07 553 #define CEC_OP_BCAST_SYSTEM_PAL_DK 0x08 554 #define CEC_OP_BCAST_SYSTEM_OTHER 0x1f 555 /* Channel Number Format Operand (channel_number_fmt) */ 556 #define CEC_OP_CHANNEL_NUMBER_FMT_1_PART 0x01 557 #define CEC_OP_CHANNEL_NUMBER_FMT_2_PART 0x02 558 559 #define CEC_MSG_RECORD_STATUS 0x0a 560 /* Record Status Operand (rec_status) */ 561 #define CEC_OP_RECORD_STATUS_CUR_SRC 0x01 562 #define CEC_OP_RECORD_STATUS_DIG_SERVICE 0x02 563 #define CEC_OP_RECORD_STATUS_ANA_SERVICE 0x03 564 #define CEC_OP_RECORD_STATUS_EXT_INPUT 0x04 565 #define CEC_OP_RECORD_STATUS_NO_DIG_SERVICE 0x05 566 #define CEC_OP_RECORD_STATUS_NO_ANA_SERVICE 0x06 567 #define CEC_OP_RECORD_STATUS_NO_SERVICE 0x07 568 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PLUG 0x09 569 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PHYS_ADDR 0x0a 570 #define CEC_OP_RECORD_STATUS_UNSUP_CA 0x0b 571 #define CEC_OP_RECORD_STATUS_NO_CA_ENTITLEMENTS 0x0c 572 #define CEC_OP_RECORD_STATUS_CANT_COPY_SRC 0x0d 573 #define CEC_OP_RECORD_STATUS_NO_MORE_COPIES 0x0e 574 #define CEC_OP_RECORD_STATUS_NO_MEDIA 0x10 575 #define CEC_OP_RECORD_STATUS_PLAYING 0x11 576 #define CEC_OP_RECORD_STATUS_ALREADY_RECORDING 0x12 577 #define CEC_OP_RECORD_STATUS_MEDIA_PROT 0x13 578 #define CEC_OP_RECORD_STATUS_NO_SIGNAL 0x14 579 #define CEC_OP_RECORD_STATUS_MEDIA_PROBLEM 0x15 580 #define CEC_OP_RECORD_STATUS_NO_SPACE 0x16 581 #define CEC_OP_RECORD_STATUS_PARENTAL_LOCK 0x17 582 #define CEC_OP_RECORD_STATUS_TERMINATED_OK 0x1a 583 #define CEC_OP_RECORD_STATUS_ALREADY_TERM 0x1b 584 #define CEC_OP_RECORD_STATUS_OTHER 0x1f 585 586 #define CEC_MSG_RECORD_TV_SCREEN 0x0f 587 588 589 /* Timer Programming Feature */ 590 #define CEC_MSG_CLEAR_ANALOGUE_TIMER 0x33 591 /* Recording Sequence Operand (recording_seq) */ 592 #define CEC_OP_REC_SEQ_SUNDAY 0x01 593 #define CEC_OP_REC_SEQ_MONDAY 0x02 594 #define CEC_OP_REC_SEQ_TUESDAY 0x04 595 #define CEC_OP_REC_SEQ_WEDNESDAY 0x08 596 #define CEC_OP_REC_SEQ_THURSDAY 0x10 597 #define CEC_OP_REC_SEQ_FRIDAY 0x20 598 #define CEC_OP_REC_SEQ_SATERDAY 0x40 599 #define CEC_OP_REC_SEQ_ONCE_ONLY 0x00 600 601 #define CEC_MSG_CLEAR_DIGITAL_TIMER 0x99 602 603 #define CEC_MSG_CLEAR_EXT_TIMER 0xa1 604 /* External Source Specifier Operand (ext_src_spec) */ 605 #define CEC_OP_EXT_SRC_PLUG 0x04 606 #define CEC_OP_EXT_SRC_PHYS_ADDR 0x05 607 608 #define CEC_MSG_SET_ANALOGUE_TIMER 0x34 609 #define CEC_MSG_SET_DIGITAL_TIMER 0x97 610 #define CEC_MSG_SET_EXT_TIMER 0xa2 611 612 #define CEC_MSG_SET_TIMER_PROGRAM_TITLE 0x67 613 #define CEC_MSG_TIMER_CLEARED_STATUS 0x43 614 /* Timer Cleared Status Data Operand (timer_cleared_status) */ 615 #define CEC_OP_TIMER_CLR_STAT_RECORDING 0x00 616 #define CEC_OP_TIMER_CLR_STAT_NO_MATCHING 0x01 617 #define CEC_OP_TIMER_CLR_STAT_NO_INFO 0x02 618 #define CEC_OP_TIMER_CLR_STAT_CLEARED 0x80 619 620 #define CEC_MSG_TIMER_STATUS 0x35 621 /* Timer Overlap Warning Operand (timer_overlap_warning) */ 622 #define CEC_OP_TIMER_OVERLAP_WARNING_NO_OVERLAP 0 623 #define CEC_OP_TIMER_OVERLAP_WARNING_OVERLAP 1 624 /* Media Info Operand (media_info) */ 625 #define CEC_OP_MEDIA_INFO_UNPROT_MEDIA 0 626 #define CEC_OP_MEDIA_INFO_PROT_MEDIA 1 627 #define CEC_OP_MEDIA_INFO_NO_MEDIA 2 628 /* Programmed Indicator Operand (prog_indicator) */ 629 #define CEC_OP_PROG_IND_NOT_PROGRAMMED 0 630 #define CEC_OP_PROG_IND_PROGRAMMED 1 631 /* Programmed Info Operand (prog_info) */ 632 #define CEC_OP_PROG_INFO_ENOUGH_SPACE 0x08 633 #define CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE 0x09 634 #define CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE 0x0b 635 #define CEC_OP_PROG_INFO_NONE_AVAILABLE 0x0a 636 /* Not Programmed Error Info Operand (prog_error) */ 637 #define CEC_OP_PROG_ERROR_NO_FREE_TIMER 0x01 638 #define CEC_OP_PROG_ERROR_DATE_OUT_OF_RANGE 0x02 639 #define CEC_OP_PROG_ERROR_REC_SEQ_ERROR 0x03 640 #define CEC_OP_PROG_ERROR_INV_EXT_PLUG 0x04 641 #define CEC_OP_PROG_ERROR_INV_EXT_PHYS_ADDR 0x05 642 #define CEC_OP_PROG_ERROR_CA_UNSUPP 0x06 643 #define CEC_OP_PROG_ERROR_INSUF_CA_ENTITLEMENTS 0x07 644 #define CEC_OP_PROG_ERROR_RESOLUTION_UNSUPP 0x08 645 #define CEC_OP_PROG_ERROR_PARENTAL_LOCK 0x09 646 #define CEC_OP_PROG_ERROR_CLOCK_FAILURE 0x0a 647 #define CEC_OP_PROG_ERROR_DUPLICATE 0x0e 648 649 650 /* System Information Feature */ 651 #define CEC_MSG_CEC_VERSION 0x9e 652 /* CEC Version Operand (cec_version) */ 653 #define CEC_OP_CEC_VERSION_1_3A 4 654 #define CEC_OP_CEC_VERSION_1_4 5 655 #define CEC_OP_CEC_VERSION_2_0 6 656 657 #define CEC_MSG_GET_CEC_VERSION 0x9f 658 #define CEC_MSG_GIVE_PHYSICAL_ADDR 0x83 659 #define CEC_MSG_GET_MENU_LANGUAGE 0x91 660 #define CEC_MSG_REPORT_PHYSICAL_ADDR 0x84 661 /* Primary Device Type Operand (prim_devtype) */ 662 #define CEC_OP_PRIM_DEVTYPE_TV 0 663 #define CEC_OP_PRIM_DEVTYPE_RECORD 1 664 #define CEC_OP_PRIM_DEVTYPE_TUNER 3 665 #define CEC_OP_PRIM_DEVTYPE_PLAYBACK 4 666 #define CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM 5 667 #define CEC_OP_PRIM_DEVTYPE_SWITCH 6 668 #define CEC_OP_PRIM_DEVTYPE_PROCESSOR 7 669 670 #define CEC_MSG_SET_MENU_LANGUAGE 0x32 671 #define CEC_MSG_REPORT_FEATURES 0xa6 /* HDMI 2.0 */ 672 /* All Device Types Operand (all_device_types) */ 673 #define CEC_OP_ALL_DEVTYPE_TV 0x80 674 #define CEC_OP_ALL_DEVTYPE_RECORD 0x40 675 #define CEC_OP_ALL_DEVTYPE_TUNER 0x20 676 #define CEC_OP_ALL_DEVTYPE_PLAYBACK 0x10 677 #define CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM 0x08 678 #define CEC_OP_ALL_DEVTYPE_SWITCH 0x04 679 /* 680 * And if you wondering what happened to PROCESSOR devices: those should 681 * be mapped to a SWITCH. 682 */ 683 684 /* Valid for RC Profile and Device Feature operands */ 685 #define CEC_OP_FEAT_EXT 0x80 /* Extension bit */ 686 /* RC Profile Operand (rc_profile) */ 687 #define CEC_OP_FEAT_RC_TV_PROFILE_NONE 0x00 688 #define CEC_OP_FEAT_RC_TV_PROFILE_1 0x02 689 #define CEC_OP_FEAT_RC_TV_PROFILE_2 0x06 690 #define CEC_OP_FEAT_RC_TV_PROFILE_3 0x0a 691 #define CEC_OP_FEAT_RC_TV_PROFILE_4 0x0e 692 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_ROOT_MENU 0x50 693 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_SETUP_MENU 0x48 694 #define CEC_OP_FEAT_RC_SRC_HAS_CONTENTS_MENU 0x44 695 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_TOP_MENU 0x42 696 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU 0x41 697 /* Device Feature Operand (dev_features) */ 698 #define CEC_OP_FEAT_DEV_HAS_RECORD_TV_SCREEN 0x40 699 #define CEC_OP_FEAT_DEV_HAS_SET_OSD_STRING 0x20 700 #define CEC_OP_FEAT_DEV_HAS_DECK_CONTROL 0x10 701 #define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE 0x08 702 #define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX 0x04 703 #define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX 0x02 704 705 #define CEC_MSG_GIVE_FEATURES 0xa5 /* HDMI 2.0 */ 706 707 708 /* Deck Control Feature */ 709 #define CEC_MSG_DECK_CONTROL 0x42 710 /* Deck Control Mode Operand (deck_control_mode) */ 711 #define CEC_OP_DECK_CTL_MODE_SKIP_FWD 1 712 #define CEC_OP_DECK_CTL_MODE_SKIP_REV 2 713 #define CEC_OP_DECK_CTL_MODE_STOP 3 714 #define CEC_OP_DECK_CTL_MODE_EJECT 4 715 716 #define CEC_MSG_DECK_STATUS 0x1b 717 /* Deck Info Operand (deck_info) */ 718 #define CEC_OP_DECK_INFO_PLAY 0x11 719 #define CEC_OP_DECK_INFO_RECORD 0x12 720 #define CEC_OP_DECK_INFO_PLAY_REV 0x13 721 #define CEC_OP_DECK_INFO_STILL 0x14 722 #define CEC_OP_DECK_INFO_SLOW 0x15 723 #define CEC_OP_DECK_INFO_SLOW_REV 0x16 724 #define CEC_OP_DECK_INFO_FAST_FWD 0x17 725 #define CEC_OP_DECK_INFO_FAST_REV 0x18 726 #define CEC_OP_DECK_INFO_NO_MEDIA 0x19 727 #define CEC_OP_DECK_INFO_STOP 0x1a 728 #define CEC_OP_DECK_INFO_SKIP_FWD 0x1b 729 #define CEC_OP_DECK_INFO_SKIP_REV 0x1c 730 #define CEC_OP_DECK_INFO_INDEX_SEARCH_FWD 0x1d 731 #define CEC_OP_DECK_INFO_INDEX_SEARCH_REV 0x1e 732 #define CEC_OP_DECK_INFO_OTHER 0x1f 733 734 #define CEC_MSG_GIVE_DECK_STATUS 0x1a 735 /* Status Request Operand (status_req) */ 736 #define CEC_OP_STATUS_REQ_ON 1 737 #define CEC_OP_STATUS_REQ_OFF 2 738 #define CEC_OP_STATUS_REQ_ONCE 3 739 740 #define CEC_MSG_PLAY 0x41 741 /* Play Mode Operand (play_mode) */ 742 #define CEC_OP_PLAY_MODE_PLAY_FWD 0x24 743 #define CEC_OP_PLAY_MODE_PLAY_REV 0x20 744 #define CEC_OP_PLAY_MODE_PLAY_STILL 0x25 745 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MIN 0x05 746 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MED 0x06 747 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MAX 0x07 748 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MIN 0x09 749 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MED 0x0a 750 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MAX 0x0b 751 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MIN 0x15 752 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MED 0x16 753 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MAX 0x17 754 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MIN 0x19 755 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MED 0x1a 756 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MAX 0x1b 757 758 759 /* Tuner Control Feature */ 760 #define CEC_MSG_GIVE_TUNER_DEVICE_STATUS 0x08 761 #define CEC_MSG_SELECT_ANALOGUE_SERVICE 0x92 762 #define CEC_MSG_SELECT_DIGITAL_SERVICE 0x93 763 #define CEC_MSG_TUNER_DEVICE_STATUS 0x07 764 /* Recording Flag Operand (rec_flag) */ 765 #define CEC_OP_REC_FLAG_USED 0 766 #define CEC_OP_REC_FLAG_NOT_USED 1 767 /* Tuner Display Info Operand (tuner_display_info) */ 768 #define CEC_OP_TUNER_DISPLAY_INFO_DIGITAL 0 769 #define CEC_OP_TUNER_DISPLAY_INFO_NONE 1 770 #define CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE 2 771 772 #define CEC_MSG_TUNER_STEP_DECREMENT 0x06 773 #define CEC_MSG_TUNER_STEP_INCREMENT 0x05 774 775 776 /* Vendor Specific Commands Feature */ 777 778 /* 779 * Has also: 780 * CEC_MSG_CEC_VERSION 781 * CEC_MSG_GET_CEC_VERSION 782 */ 783 #define CEC_MSG_DEVICE_VENDOR_ID 0x87 784 #define CEC_MSG_GIVE_DEVICE_VENDOR_ID 0x8c 785 #define CEC_MSG_VENDOR_COMMAND 0x89 786 #define CEC_MSG_VENDOR_COMMAND_WITH_ID 0xa0 787 #define CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN 0x8a 788 #define CEC_MSG_VENDOR_REMOTE_BUTTON_UP 0x8b 789 790 791 /* OSD Display Feature */ 792 #define CEC_MSG_SET_OSD_STRING 0x64 793 /* Display Control Operand (disp_ctl) */ 794 #define CEC_OP_DISP_CTL_DEFAULT 0x00 795 #define CEC_OP_DISP_CTL_UNTIL_CLEARED 0x40 796 #define CEC_OP_DISP_CTL_CLEAR 0x80 797 798 799 /* Device OSD Transfer Feature */ 800 #define CEC_MSG_GIVE_OSD_NAME 0x46 801 #define CEC_MSG_SET_OSD_NAME 0x47 802 803 804 /* Device Menu Control Feature */ 805 #define CEC_MSG_MENU_REQUEST 0x8d 806 /* Menu Request Type Operand (menu_req) */ 807 #define CEC_OP_MENU_REQUEST_ACTIVATE 0x00 808 #define CEC_OP_MENU_REQUEST_DEACTIVATE 0x01 809 #define CEC_OP_MENU_REQUEST_QUERY 0x02 810 811 #define CEC_MSG_MENU_STATUS 0x8e 812 /* Menu State Operand (menu_state) */ 813 #define CEC_OP_MENU_STATE_ACTIVATED 0x00 814 #define CEC_OP_MENU_STATE_DEACTIVATED 0x01 815 816 #define CEC_MSG_USER_CONTROL_PRESSED 0x44 817 /* UI Broadcast Type Operand (ui_bcast_type) */ 818 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_ALL 0x00 819 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_DIG_ANA 0x01 820 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE 0x10 821 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_T 0x20 822 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_CABLE 0x30 823 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_SAT 0x40 824 #define CEC_OP_UI_BCAST_TYPE_DIGITAL 0x50 825 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_T 0x60 826 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_CABLE 0x70 827 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_SAT 0x80 828 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT 0x90 829 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT2 0x91 830 #define CEC_OP_UI_BCAST_TYPE_IP 0xa0 831 /* UI Sound Presentation Control Operand (ui_snd_pres_ctl) */ 832 #define CEC_OP_UI_SND_PRES_CTL_DUAL_MONO 0x10 833 #define CEC_OP_UI_SND_PRES_CTL_KARAOKE 0x20 834 #define CEC_OP_UI_SND_PRES_CTL_DOWNMIX 0x80 835 #define CEC_OP_UI_SND_PRES_CTL_REVERB 0x90 836 #define CEC_OP_UI_SND_PRES_CTL_EQUALIZER 0xa0 837 #define CEC_OP_UI_SND_PRES_CTL_BASS_UP 0xb1 838 #define CEC_OP_UI_SND_PRES_CTL_BASS_NEUTRAL 0xb2 839 #define CEC_OP_UI_SND_PRES_CTL_BASS_DOWN 0xb3 840 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_UP 0xc1 841 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_NEUTRAL 0xc2 842 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_DOWN 0xc3 843 844 #define CEC_MSG_USER_CONTROL_RELEASED 0x45 845 846 847 /* Remote Control Passthrough Feature */ 848 849 /* 850 * Has also: 851 * CEC_MSG_USER_CONTROL_PRESSED 852 * CEC_MSG_USER_CONTROL_RELEASED 853 */ 854 855 856 /* Power Status Feature */ 857 #define CEC_MSG_GIVE_DEVICE_POWER_STATUS 0x8f 858 #define CEC_MSG_REPORT_POWER_STATUS 0x90 859 /* Power Status Operand (pwr_state) */ 860 #define CEC_OP_POWER_STATUS_ON 0 861 #define CEC_OP_POWER_STATUS_STANDBY 1 862 #define CEC_OP_POWER_STATUS_TO_ON 2 863 #define CEC_OP_POWER_STATUS_TO_STANDBY 3 864 865 866 /* General Protocol Messages */ 867 #define CEC_MSG_FEATURE_ABORT 0x00 868 /* Abort Reason Operand (reason) */ 869 #define CEC_OP_ABORT_UNRECOGNIZED_OP 0 870 #define CEC_OP_ABORT_INCORRECT_MODE 1 871 #define CEC_OP_ABORT_NO_SOURCE 2 872 #define CEC_OP_ABORT_INVALID_OP 3 873 #define CEC_OP_ABORT_REFUSED 4 874 #define CEC_OP_ABORT_UNDETERMINED 5 875 876 #define CEC_MSG_ABORT 0xff 877 878 879 /* System Audio Control Feature */ 880 881 /* 882 * Has also: 883 * CEC_MSG_USER_CONTROL_PRESSED 884 * CEC_MSG_USER_CONTROL_RELEASED 885 */ 886 #define CEC_MSG_GIVE_AUDIO_STATUS 0x71 887 #define CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS 0x7d 888 #define CEC_MSG_REPORT_AUDIO_STATUS 0x7a 889 /* Audio Mute Status Operand (aud_mute_status) */ 890 #define CEC_OP_AUD_MUTE_STATUS_OFF 0 891 #define CEC_OP_AUD_MUTE_STATUS_ON 1 892 893 #define CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR 0xa3 894 #define CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR 0xa4 895 #define CEC_MSG_SET_SYSTEM_AUDIO_MODE 0x72 896 /* System Audio Status Operand (sys_aud_status) */ 897 #define CEC_OP_SYS_AUD_STATUS_OFF 0 898 #define CEC_OP_SYS_AUD_STATUS_ON 1 899 900 #define CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST 0x70 901 #define CEC_MSG_SYSTEM_AUDIO_MODE_STATUS 0x7e 902 /* Audio Format ID Operand (audio_format_id) */ 903 #define CEC_OP_AUD_FMT_ID_CEA861 0 904 #define CEC_OP_AUD_FMT_ID_CEA861_CXT 1 905 906 907 /* Audio Rate Control Feature */ 908 #define CEC_MSG_SET_AUDIO_RATE 0x9a 909 /* Audio Rate Operand (audio_rate) */ 910 #define CEC_OP_AUD_RATE_OFF 0 911 #define CEC_OP_AUD_RATE_WIDE_STD 1 912 #define CEC_OP_AUD_RATE_WIDE_FAST 2 913 #define CEC_OP_AUD_RATE_WIDE_SLOW 3 914 #define CEC_OP_AUD_RATE_NARROW_STD 4 915 #define CEC_OP_AUD_RATE_NARROW_FAST 5 916 #define CEC_OP_AUD_RATE_NARROW_SLOW 6 917 918 919 /* Audio Return Channel Control Feature */ 920 #define CEC_MSG_INITIATE_ARC 0xc0 921 #define CEC_MSG_REPORT_ARC_INITIATED 0xc1 922 #define CEC_MSG_REPORT_ARC_TERMINATED 0xc2 923 #define CEC_MSG_REQUEST_ARC_INITIATION 0xc3 924 #define CEC_MSG_REQUEST_ARC_TERMINATION 0xc4 925 #define CEC_MSG_TERMINATE_ARC 0xc5 926 927 928 /* Dynamic Audio Lipsync Feature */ 929 /* Only for CEC 2.0 and up */ 930 #define CEC_MSG_REQUEST_CURRENT_LATENCY 0xa7 931 #define CEC_MSG_REPORT_CURRENT_LATENCY 0xa8 932 /* Low Latency Mode Operand (low_latency_mode) */ 933 #define CEC_OP_LOW_LATENCY_MODE_OFF 0 934 #define CEC_OP_LOW_LATENCY_MODE_ON 1 935 /* Audio Output Compensated Operand (audio_out_compensated) */ 936 #define CEC_OP_AUD_OUT_COMPENSATED_NA 0 937 #define CEC_OP_AUD_OUT_COMPENSATED_DELAY 1 938 #define CEC_OP_AUD_OUT_COMPENSATED_NO_DELAY 2 939 #define CEC_OP_AUD_OUT_COMPENSATED_PARTIAL_DELAY 3 940 941 942 /* Capability Discovery and Control Feature */ 943 #define CEC_MSG_CDC_MESSAGE 0xf8 944 /* Ethernet-over-HDMI: nobody ever does this... */ 945 #define CEC_MSG_CDC_HEC_INQUIRE_STATE 0x00 946 #define CEC_MSG_CDC_HEC_REPORT_STATE 0x01 947 /* HEC Functionality State Operand (hec_func_state) */ 948 #define CEC_OP_HEC_FUNC_STATE_NOT_SUPPORTED 0 949 #define CEC_OP_HEC_FUNC_STATE_INACTIVE 1 950 #define CEC_OP_HEC_FUNC_STATE_ACTIVE 2 951 #define CEC_OP_HEC_FUNC_STATE_ACTIVATION_FIELD 3 952 /* Host Functionality State Operand (host_func_state) */ 953 #define CEC_OP_HOST_FUNC_STATE_NOT_SUPPORTED 0 954 #define CEC_OP_HOST_FUNC_STATE_INACTIVE 1 955 #define CEC_OP_HOST_FUNC_STATE_ACTIVE 2 956 /* ENC Functionality State Operand (enc_func_state) */ 957 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_NOT_SUPPORTED 0 958 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_INACTIVE 1 959 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_ACTIVE 2 960 /* CDC Error Code Operand (cdc_errcode) */ 961 #define CEC_OP_CDC_ERROR_CODE_NONE 0 962 #define CEC_OP_CDC_ERROR_CODE_CAP_UNSUPPORTED 1 963 #define CEC_OP_CDC_ERROR_CODE_WRONG_STATE 2 964 #define CEC_OP_CDC_ERROR_CODE_OTHER 3 965 /* HEC Support Operand (hec_support) */ 966 #define CEC_OP_HEC_SUPPORT_NO 0 967 #define CEC_OP_HEC_SUPPORT_YES 1 968 /* HEC Activation Operand (hec_activation) */ 969 #define CEC_OP_HEC_ACTIVATION_ON 0 970 #define CEC_OP_HEC_ACTIVATION_OFF 1 971 972 #define CEC_MSG_CDC_HEC_SET_STATE_ADJACENT 0x02 973 #define CEC_MSG_CDC_HEC_SET_STATE 0x03 974 /* HEC Set State Operand (hec_set_state) */ 975 #define CEC_OP_HEC_SET_STATE_DEACTIVATE 0 976 #define CEC_OP_HEC_SET_STATE_ACTIVATE 1 977 978 #define CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION 0x04 979 #define CEC_MSG_CDC_HEC_NOTIFY_ALIVE 0x05 980 #define CEC_MSG_CDC_HEC_DISCOVER 0x06 981 /* Hotplug Detect messages */ 982 #define CEC_MSG_CDC_HPD_SET_STATE 0x10 983 /* HPD State Operand (hpd_state) */ 984 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE 0 985 #define CEC_OP_HPD_STATE_CP_EDID_ENABLE 1 986 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE_ENABLE 2 987 #define CEC_OP_HPD_STATE_EDID_DISABLE 3 988 #define CEC_OP_HPD_STATE_EDID_ENABLE 4 989 #define CEC_OP_HPD_STATE_EDID_DISABLE_ENABLE 5 990 #define CEC_MSG_CDC_HPD_REPORT_STATE 0x11 991 /* HPD Error Code Operand (hpd_error) */ 992 #define CEC_OP_HPD_ERROR_NONE 0 993 #define CEC_OP_HPD_ERROR_INITIATOR_NOT_CAPABLE 1 994 #define CEC_OP_HPD_ERROR_INITIATOR_WRONG_STATE 2 995 #define CEC_OP_HPD_ERROR_OTHER 3 996 #define CEC_OP_HPD_ERROR_NONE_NO_VIDEO 4 997 998 /* End of Messages */ 999 1000 /* Helper functions to identify the 'special' CEC devices */ 1001 1002 static inline int cec_is_2nd_tv(const struct cec_log_addrs *las) 1003 { 1004 /* 1005 * It is a second TV if the logical address is 14 or 15 and the 1006 * primary device type is a TV. 1007 */ 1008 return las->num_log_addrs && 1009 las->log_addr[0] >= CEC_LOG_ADDR_SPECIFIC && 1010 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_TV; 1011 } 1012 1013 static inline int cec_is_processor(const struct cec_log_addrs *las) 1014 { 1015 /* 1016 * It is a processor if the logical address is 12-15 and the 1017 * primary device type is a Processor. 1018 */ 1019 return las->num_log_addrs && 1020 las->log_addr[0] >= CEC_LOG_ADDR_BACKUP_1 && 1021 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_PROCESSOR; 1022 } 1023 1024 static inline int cec_is_switch(const struct cec_log_addrs *las) 1025 { 1026 /* 1027 * It is a switch if the logical address is 15 and the 1028 * primary device type is a Switch and the CDC-Only flag is not set. 1029 */ 1030 return las->num_log_addrs == 1 && 1031 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1032 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1033 !(las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1034 } 1035 1036 static inline int cec_is_cdc_only(const struct cec_log_addrs *las) 1037 { 1038 /* 1039 * It is a CDC-only device if the logical address is 15 and the 1040 * primary device type is a Switch and the CDC-Only flag is set. 1041 */ 1042 return las->num_log_addrs == 1 && 1043 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1044 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1045 (las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1046 } 1047 1048 #endif 1049