1 /* 2 * cec - HDMI Consumer Electronics Control public header 3 * 4 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 5 * 6 * This program is free software; you may redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; version 2 of the License. 9 * 10 * Alternatively you can redistribute this file under the terms of the 11 * BSD license as stated below: 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in 20 * the documentation and/or other materials provided with the 21 * distribution. 22 * 3. The names of its contributors may not be used to endorse or promote 23 * products derived from this software without specific prior written 24 * permission. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 33 * SOFTWARE. 34 */ 35 36 #ifndef _CEC_UAPI_H 37 #define _CEC_UAPI_H 38 39 #include <linux/types.h> 40 41 #define CEC_MAX_MSG_SIZE 16 42 43 /** 44 * struct cec_msg - CEC message structure. 45 * @tx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 46 * driver when the message transmission has finished. 47 * @rx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 48 * driver when the message was received. 49 * @len: Length in bytes of the message. 50 * @timeout: The timeout (in ms) that is used to timeout CEC_RECEIVE. 51 * Set to 0 if you want to wait forever. This timeout can also be 52 * used with CEC_TRANSMIT as the timeout for waiting for a reply. 53 * If 0, then it will use a 1 second timeout instead of waiting 54 * forever as is done with CEC_RECEIVE. 55 * @sequence: The framework assigns a sequence number to messages that are 56 * sent. This can be used to track replies to previously sent 57 * messages. 58 * @flags: Set to 0. 59 * @msg: The message payload. 60 * @reply: This field is ignored with CEC_RECEIVE and is only used by 61 * CEC_TRANSMIT. If non-zero, then wait for a reply with this 62 * opcode. Set to CEC_MSG_FEATURE_ABORT if you want to wait for 63 * a possible ABORT reply. If there was an error when sending the 64 * msg or FeatureAbort was returned, then reply is set to 0. 65 * If reply is non-zero upon return, then len/msg are set to 66 * the received message. 67 * If reply is zero upon return and status has the 68 * CEC_TX_STATUS_FEATURE_ABORT bit set, then len/msg are set to 69 * the received feature abort message. 70 * If reply is zero upon return and status has the 71 * CEC_TX_STATUS_MAX_RETRIES bit set, then no reply was seen at 72 * all. If reply is non-zero for CEC_TRANSMIT and the message is a 73 * broadcast, then -EINVAL is returned. 74 * if reply is non-zero, then timeout is set to 1000 (the required 75 * maximum response time). 76 * @rx_status: The message receive status bits. Set by the driver. 77 * @tx_status: The message transmit status bits. Set by the driver. 78 * @tx_arb_lost_cnt: The number of 'Arbitration Lost' events. Set by the driver. 79 * @tx_nack_cnt: The number of 'Not Acknowledged' events. Set by the driver. 80 * @tx_low_drive_cnt: The number of 'Low Drive Detected' events. Set by the 81 * driver. 82 * @tx_error_cnt: The number of 'Error' events. Set by the driver. 83 */ 84 struct cec_msg { 85 __u64 tx_ts; 86 __u64 rx_ts; 87 __u32 len; 88 __u32 timeout; 89 __u32 sequence; 90 __u32 flags; 91 __u8 msg[CEC_MAX_MSG_SIZE]; 92 __u8 reply; 93 __u8 rx_status; 94 __u8 tx_status; 95 __u8 tx_arb_lost_cnt; 96 __u8 tx_nack_cnt; 97 __u8 tx_low_drive_cnt; 98 __u8 tx_error_cnt; 99 }; 100 101 /** 102 * cec_msg_initiator - return the initiator's logical address. 103 * @msg: the message structure 104 */ 105 static inline __u8 cec_msg_initiator(const struct cec_msg *msg) 106 { 107 return msg->msg[0] >> 4; 108 } 109 110 /** 111 * cec_msg_destination - return the destination's logical address. 112 * @msg: the message structure 113 */ 114 static inline __u8 cec_msg_destination(const struct cec_msg *msg) 115 { 116 return msg->msg[0] & 0xf; 117 } 118 119 /** 120 * cec_msg_opcode - return the opcode of the message, -1 for poll 121 * @msg: the message structure 122 */ 123 static inline int cec_msg_opcode(const struct cec_msg *msg) 124 { 125 return msg->len > 1 ? msg->msg[1] : -1; 126 } 127 128 /** 129 * cec_msg_is_broadcast - return true if this is a broadcast message. 130 * @msg: the message structure 131 */ 132 static inline bool cec_msg_is_broadcast(const struct cec_msg *msg) 133 { 134 return (msg->msg[0] & 0xf) == 0xf; 135 } 136 137 /** 138 * cec_msg_init - initialize the message structure. 139 * @msg: the message structure 140 * @initiator: the logical address of the initiator 141 * @destination:the logical address of the destination (0xf for broadcast) 142 * 143 * The whole structure is zeroed, the len field is set to 1 (i.e. a poll 144 * message) and the initiator and destination are filled in. 145 */ 146 static inline void cec_msg_init(struct cec_msg *msg, 147 __u8 initiator, __u8 destination) 148 { 149 memset(msg, 0, sizeof(*msg)); 150 msg->msg[0] = (initiator << 4) | destination; 151 msg->len = 1; 152 } 153 154 /** 155 * cec_msg_set_reply_to - fill in destination/initiator in a reply message. 156 * @msg: the message structure for the reply 157 * @orig: the original message structure 158 * 159 * Set the msg destination to the orig initiator and the msg initiator to the 160 * orig destination. Note that msg and orig may be the same pointer, in which 161 * case the change is done in place. 162 */ 163 static inline void cec_msg_set_reply_to(struct cec_msg *msg, 164 struct cec_msg *orig) 165 { 166 /* The destination becomes the initiator and vice versa */ 167 msg->msg[0] = (cec_msg_destination(orig) << 4) | 168 cec_msg_initiator(orig); 169 msg->reply = msg->timeout = 0; 170 } 171 172 /* cec_msg flags field */ 173 #define CEC_MSG_FL_REPLY_TO_FOLLOWERS (1 << 0) 174 175 /* cec_msg tx/rx_status field */ 176 #define CEC_TX_STATUS_OK (1 << 0) 177 #define CEC_TX_STATUS_ARB_LOST (1 << 1) 178 #define CEC_TX_STATUS_NACK (1 << 2) 179 #define CEC_TX_STATUS_LOW_DRIVE (1 << 3) 180 #define CEC_TX_STATUS_ERROR (1 << 4) 181 #define CEC_TX_STATUS_MAX_RETRIES (1 << 5) 182 183 #define CEC_RX_STATUS_OK (1 << 0) 184 #define CEC_RX_STATUS_TIMEOUT (1 << 1) 185 #define CEC_RX_STATUS_FEATURE_ABORT (1 << 2) 186 187 static inline bool cec_msg_status_is_ok(const struct cec_msg *msg) 188 { 189 if (msg->tx_status && !(msg->tx_status & CEC_TX_STATUS_OK)) 190 return false; 191 if (msg->rx_status && !(msg->rx_status & CEC_RX_STATUS_OK)) 192 return false; 193 if (!msg->tx_status && !msg->rx_status) 194 return false; 195 return !(msg->rx_status & CEC_RX_STATUS_FEATURE_ABORT); 196 } 197 198 #define CEC_LOG_ADDR_INVALID 0xff 199 #define CEC_PHYS_ADDR_INVALID 0xffff 200 201 /* 202 * The maximum number of logical addresses one device can be assigned to. 203 * The CEC 2.0 spec allows for only 2 logical addresses at the moment. The 204 * Analog Devices CEC hardware supports 3. So let's go wild and go for 4. 205 */ 206 #define CEC_MAX_LOG_ADDRS 4 207 208 /* The logical addresses defined by CEC 2.0 */ 209 #define CEC_LOG_ADDR_TV 0 210 #define CEC_LOG_ADDR_RECORD_1 1 211 #define CEC_LOG_ADDR_RECORD_2 2 212 #define CEC_LOG_ADDR_TUNER_1 3 213 #define CEC_LOG_ADDR_PLAYBACK_1 4 214 #define CEC_LOG_ADDR_AUDIOSYSTEM 5 215 #define CEC_LOG_ADDR_TUNER_2 6 216 #define CEC_LOG_ADDR_TUNER_3 7 217 #define CEC_LOG_ADDR_PLAYBACK_2 8 218 #define CEC_LOG_ADDR_RECORD_3 9 219 #define CEC_LOG_ADDR_TUNER_4 10 220 #define CEC_LOG_ADDR_PLAYBACK_3 11 221 #define CEC_LOG_ADDR_BACKUP_1 12 222 #define CEC_LOG_ADDR_BACKUP_2 13 223 #define CEC_LOG_ADDR_SPECIFIC 14 224 #define CEC_LOG_ADDR_UNREGISTERED 15 /* as initiator address */ 225 #define CEC_LOG_ADDR_BROADCAST 15 /* ad destination address */ 226 227 /* The logical address types that the CEC device wants to claim */ 228 #define CEC_LOG_ADDR_TYPE_TV 0 229 #define CEC_LOG_ADDR_TYPE_RECORD 1 230 #define CEC_LOG_ADDR_TYPE_TUNER 2 231 #define CEC_LOG_ADDR_TYPE_PLAYBACK 3 232 #define CEC_LOG_ADDR_TYPE_AUDIOSYSTEM 4 233 #define CEC_LOG_ADDR_TYPE_SPECIFIC 5 234 #define CEC_LOG_ADDR_TYPE_UNREGISTERED 6 235 /* 236 * Switches should use UNREGISTERED. 237 * Processors should use SPECIFIC. 238 */ 239 240 #define CEC_LOG_ADDR_MASK_TV (1 << CEC_LOG_ADDR_TV) 241 #define CEC_LOG_ADDR_MASK_RECORD ((1 << CEC_LOG_ADDR_RECORD_1) | \ 242 (1 << CEC_LOG_ADDR_RECORD_2) | \ 243 (1 << CEC_LOG_ADDR_RECORD_3)) 244 #define CEC_LOG_ADDR_MASK_TUNER ((1 << CEC_LOG_ADDR_TUNER_1) | \ 245 (1 << CEC_LOG_ADDR_TUNER_2) | \ 246 (1 << CEC_LOG_ADDR_TUNER_3) | \ 247 (1 << CEC_LOG_ADDR_TUNER_4)) 248 #define CEC_LOG_ADDR_MASK_PLAYBACK ((1 << CEC_LOG_ADDR_PLAYBACK_1) | \ 249 (1 << CEC_LOG_ADDR_PLAYBACK_2) | \ 250 (1 << CEC_LOG_ADDR_PLAYBACK_3)) 251 #define CEC_LOG_ADDR_MASK_AUDIOSYSTEM (1 << CEC_LOG_ADDR_AUDIOSYSTEM) 252 #define CEC_LOG_ADDR_MASK_BACKUP ((1 << CEC_LOG_ADDR_BACKUP_1) | \ 253 (1 << CEC_LOG_ADDR_BACKUP_2)) 254 #define CEC_LOG_ADDR_MASK_SPECIFIC (1 << CEC_LOG_ADDR_SPECIFIC) 255 #define CEC_LOG_ADDR_MASK_UNREGISTERED (1 << CEC_LOG_ADDR_UNREGISTERED) 256 257 static inline bool cec_has_tv(__u16 log_addr_mask) 258 { 259 return log_addr_mask & CEC_LOG_ADDR_MASK_TV; 260 } 261 262 static inline bool cec_has_record(__u16 log_addr_mask) 263 { 264 return log_addr_mask & CEC_LOG_ADDR_MASK_RECORD; 265 } 266 267 static inline bool cec_has_tuner(__u16 log_addr_mask) 268 { 269 return log_addr_mask & CEC_LOG_ADDR_MASK_TUNER; 270 } 271 272 static inline bool cec_has_playback(__u16 log_addr_mask) 273 { 274 return log_addr_mask & CEC_LOG_ADDR_MASK_PLAYBACK; 275 } 276 277 static inline bool cec_has_audiosystem(__u16 log_addr_mask) 278 { 279 return log_addr_mask & CEC_LOG_ADDR_MASK_AUDIOSYSTEM; 280 } 281 282 static inline bool cec_has_backup(__u16 log_addr_mask) 283 { 284 return log_addr_mask & CEC_LOG_ADDR_MASK_BACKUP; 285 } 286 287 static inline bool cec_has_specific(__u16 log_addr_mask) 288 { 289 return log_addr_mask & CEC_LOG_ADDR_MASK_SPECIFIC; 290 } 291 292 static inline bool cec_is_unregistered(__u16 log_addr_mask) 293 { 294 return log_addr_mask & CEC_LOG_ADDR_MASK_UNREGISTERED; 295 } 296 297 static inline bool cec_is_unconfigured(__u16 log_addr_mask) 298 { 299 return log_addr_mask == 0; 300 } 301 302 /* 303 * Use this if there is no vendor ID (CEC_G_VENDOR_ID) or if the vendor ID 304 * should be disabled (CEC_S_VENDOR_ID) 305 */ 306 #define CEC_VENDOR_ID_NONE 0xffffffff 307 308 /* The message handling modes */ 309 /* Modes for initiator */ 310 #define CEC_MODE_NO_INITIATOR (0x0 << 0) 311 #define CEC_MODE_INITIATOR (0x1 << 0) 312 #define CEC_MODE_EXCL_INITIATOR (0x2 << 0) 313 #define CEC_MODE_INITIATOR_MSK 0x0f 314 315 /* Modes for follower */ 316 #define CEC_MODE_NO_FOLLOWER (0x0 << 4) 317 #define CEC_MODE_FOLLOWER (0x1 << 4) 318 #define CEC_MODE_EXCL_FOLLOWER (0x2 << 4) 319 #define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4) 320 #define CEC_MODE_MONITOR (0xe << 4) 321 #define CEC_MODE_MONITOR_ALL (0xf << 4) 322 #define CEC_MODE_FOLLOWER_MSK 0xf0 323 324 /* Userspace has to configure the physical address */ 325 #define CEC_CAP_PHYS_ADDR (1 << 0) 326 /* Userspace has to configure the logical addresses */ 327 #define CEC_CAP_LOG_ADDRS (1 << 1) 328 /* Userspace can transmit messages (and thus become follower as well) */ 329 #define CEC_CAP_TRANSMIT (1 << 2) 330 /* 331 * Passthrough all messages instead of processing them. 332 */ 333 #define CEC_CAP_PASSTHROUGH (1 << 3) 334 /* Supports remote control */ 335 #define CEC_CAP_RC (1 << 4) 336 /* Hardware can monitor all messages, not just directed and broadcast. */ 337 #define CEC_CAP_MONITOR_ALL (1 << 5) 338 339 /** 340 * struct cec_caps - CEC capabilities structure. 341 * @driver: name of the CEC device driver. 342 * @name: name of the CEC device. @driver + @name must be unique. 343 * @available_log_addrs: number of available logical addresses. 344 * @capabilities: capabilities of the CEC adapter. 345 * @version: version of the CEC adapter framework. 346 */ 347 struct cec_caps { 348 char driver[32]; 349 char name[32]; 350 __u32 available_log_addrs; 351 __u32 capabilities; 352 __u32 version; 353 }; 354 355 /** 356 * struct cec_log_addrs - CEC logical addresses structure. 357 * @log_addr: the claimed logical addresses. Set by the driver. 358 * @log_addr_mask: current logical address mask. Set by the driver. 359 * @cec_version: the CEC version that the adapter should implement. Set by the 360 * caller. 361 * @num_log_addrs: how many logical addresses should be claimed. Set by the 362 * caller. 363 * @vendor_id: the vendor ID of the device. Set by the caller. 364 * @flags: flags. 365 * @osd_name: the OSD name of the device. Set by the caller. 366 * @primary_device_type: the primary device type for each logical address. 367 * Set by the caller. 368 * @log_addr_type: the logical address types. Set by the caller. 369 * @all_device_types: CEC 2.0: all device types represented by the logical 370 * address. Set by the caller. 371 * @features: CEC 2.0: The logical address features. Set by the caller. 372 */ 373 struct cec_log_addrs { 374 __u8 log_addr[CEC_MAX_LOG_ADDRS]; 375 __u16 log_addr_mask; 376 __u8 cec_version; 377 __u8 num_log_addrs; 378 __u32 vendor_id; 379 __u32 flags; 380 char osd_name[15]; 381 __u8 primary_device_type[CEC_MAX_LOG_ADDRS]; 382 __u8 log_addr_type[CEC_MAX_LOG_ADDRS]; 383 384 /* CEC 2.0 */ 385 __u8 all_device_types[CEC_MAX_LOG_ADDRS]; 386 __u8 features[CEC_MAX_LOG_ADDRS][12]; 387 }; 388 389 /* Allow a fallback to unregistered */ 390 #define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0) 391 /* Passthrough RC messages to the input subsystem */ 392 #define CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU (1 << 1) 393 /* CDC-Only device: supports only CDC messages */ 394 #define CEC_LOG_ADDRS_FL_CDC_ONLY (1 << 2) 395 396 /* Events */ 397 398 /* Event that occurs when the adapter state changes */ 399 #define CEC_EVENT_STATE_CHANGE 1 400 /* 401 * This event is sent when messages are lost because the application 402 * didn't empty the message queue in time 403 */ 404 #define CEC_EVENT_LOST_MSGS 2 405 406 #define CEC_EVENT_FL_INITIAL_STATE (1 << 0) 407 408 /** 409 * struct cec_event_state_change - used when the CEC adapter changes state. 410 * @phys_addr: the current physical address 411 * @log_addr_mask: the current logical address mask 412 */ 413 struct cec_event_state_change { 414 __u16 phys_addr; 415 __u16 log_addr_mask; 416 }; 417 418 /** 419 * struct cec_event_lost_msgs - tells you how many messages were lost due. 420 * @lost_msgs: how many messages were lost. 421 */ 422 struct cec_event_lost_msgs { 423 __u32 lost_msgs; 424 }; 425 426 /** 427 * struct cec_event - CEC event structure 428 * @ts: the timestamp of when the event was sent. 429 * @event: the event. 430 * array. 431 * @state_change: the event payload for CEC_EVENT_STATE_CHANGE. 432 * @lost_msgs: the event payload for CEC_EVENT_LOST_MSGS. 433 * @raw: array to pad the union. 434 */ 435 struct cec_event { 436 __u64 ts; 437 __u32 event; 438 __u32 flags; 439 union { 440 struct cec_event_state_change state_change; 441 struct cec_event_lost_msgs lost_msgs; 442 __u32 raw[16]; 443 }; 444 }; 445 446 /* ioctls */ 447 448 /* Adapter capabilities */ 449 #define CEC_ADAP_G_CAPS _IOWR('a', 0, struct cec_caps) 450 451 /* 452 * phys_addr is either 0 (if this is the CEC root device) 453 * or a valid physical address obtained from the sink's EDID 454 * as read by this CEC device (if this is a source device) 455 * or a physical address obtained and modified from a sink 456 * EDID and used for a sink CEC device. 457 * If nothing is connected, then phys_addr is 0xffff. 458 * See HDMI 1.4b, section 8.7 (Physical Address). 459 * 460 * The CEC_ADAP_S_PHYS_ADDR ioctl may not be available if that is handled 461 * internally. 462 */ 463 #define CEC_ADAP_G_PHYS_ADDR _IOR('a', 1, __u16) 464 #define CEC_ADAP_S_PHYS_ADDR _IOW('a', 2, __u16) 465 466 /* 467 * Configure the CEC adapter. It sets the device type and which 468 * logical types it will try to claim. It will return which 469 * logical addresses it could actually claim. 470 * An error is returned if the adapter is disabled or if there 471 * is no physical address assigned. 472 */ 473 474 #define CEC_ADAP_G_LOG_ADDRS _IOR('a', 3, struct cec_log_addrs) 475 #define CEC_ADAP_S_LOG_ADDRS _IOWR('a', 4, struct cec_log_addrs) 476 477 /* Transmit/receive a CEC command */ 478 #define CEC_TRANSMIT _IOWR('a', 5, struct cec_msg) 479 #define CEC_RECEIVE _IOWR('a', 6, struct cec_msg) 480 481 /* Dequeue CEC events */ 482 #define CEC_DQEVENT _IOWR('a', 7, struct cec_event) 483 484 /* 485 * Get and set the message handling mode for this filehandle. 486 */ 487 #define CEC_G_MODE _IOR('a', 8, __u32) 488 #define CEC_S_MODE _IOW('a', 9, __u32) 489 490 /* 491 * The remainder of this header defines all CEC messages and operands. 492 * The format matters since it the cec-ctl utility parses it to generate 493 * code for implementing all these messages. 494 * 495 * Comments ending with 'Feature' group messages for each feature. 496 * If messages are part of multiple features, then the "Has also" 497 * comment is used to list the previously defined messages that are 498 * supported by the feature. 499 * 500 * Before operands are defined a comment is added that gives the 501 * name of the operand and in brackets the variable name of the 502 * corresponding argument in the cec-funcs.h function. 503 */ 504 505 /* Messages */ 506 507 /* One Touch Play Feature */ 508 #define CEC_MSG_ACTIVE_SOURCE 0x82 509 #define CEC_MSG_IMAGE_VIEW_ON 0x04 510 #define CEC_MSG_TEXT_VIEW_ON 0x0d 511 512 513 /* Routing Control Feature */ 514 515 /* 516 * Has also: 517 * CEC_MSG_ACTIVE_SOURCE 518 */ 519 520 #define CEC_MSG_INACTIVE_SOURCE 0x9d 521 #define CEC_MSG_REQUEST_ACTIVE_SOURCE 0x85 522 #define CEC_MSG_ROUTING_CHANGE 0x80 523 #define CEC_MSG_ROUTING_INFORMATION 0x81 524 #define CEC_MSG_SET_STREAM_PATH 0x86 525 526 527 /* Standby Feature */ 528 #define CEC_MSG_STANDBY 0x36 529 530 531 /* One Touch Record Feature */ 532 #define CEC_MSG_RECORD_OFF 0x0b 533 #define CEC_MSG_RECORD_ON 0x09 534 /* Record Source Type Operand (rec_src_type) */ 535 #define CEC_OP_RECORD_SRC_OWN 1 536 #define CEC_OP_RECORD_SRC_DIGITAL 2 537 #define CEC_OP_RECORD_SRC_ANALOG 3 538 #define CEC_OP_RECORD_SRC_EXT_PLUG 4 539 #define CEC_OP_RECORD_SRC_EXT_PHYS_ADDR 5 540 /* Service Identification Method Operand (service_id_method) */ 541 #define CEC_OP_SERVICE_ID_METHOD_BY_DIG_ID 0 542 #define CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL 1 543 /* Digital Service Broadcast System Operand (dig_bcast_system) */ 544 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_GEN 0x00 545 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN 0x01 546 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_GEN 0x02 547 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_BS 0x08 548 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_CS 0x09 549 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_T 0x0a 550 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE 0x10 551 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT 0x11 552 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T 0x12 553 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_C 0x18 554 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S 0x19 555 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S2 0x1a 556 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_T 0x1b 557 /* Analogue Broadcast Type Operand (ana_bcast_type) */ 558 #define CEC_OP_ANA_BCAST_TYPE_CABLE 0 559 #define CEC_OP_ANA_BCAST_TYPE_SATELLITE 1 560 #define CEC_OP_ANA_BCAST_TYPE_TERRESTRIAL 2 561 /* Broadcast System Operand (bcast_system) */ 562 #define CEC_OP_BCAST_SYSTEM_PAL_BG 0x00 563 #define CEC_OP_BCAST_SYSTEM_SECAM_LQ 0x01 /* SECAM L' */ 564 #define CEC_OP_BCAST_SYSTEM_PAL_M 0x02 565 #define CEC_OP_BCAST_SYSTEM_NTSC_M 0x03 566 #define CEC_OP_BCAST_SYSTEM_PAL_I 0x04 567 #define CEC_OP_BCAST_SYSTEM_SECAM_DK 0x05 568 #define CEC_OP_BCAST_SYSTEM_SECAM_BG 0x06 569 #define CEC_OP_BCAST_SYSTEM_SECAM_L 0x07 570 #define CEC_OP_BCAST_SYSTEM_PAL_DK 0x08 571 #define CEC_OP_BCAST_SYSTEM_OTHER 0x1f 572 /* Channel Number Format Operand (channel_number_fmt) */ 573 #define CEC_OP_CHANNEL_NUMBER_FMT_1_PART 0x01 574 #define CEC_OP_CHANNEL_NUMBER_FMT_2_PART 0x02 575 576 #define CEC_MSG_RECORD_STATUS 0x0a 577 /* Record Status Operand (rec_status) */ 578 #define CEC_OP_RECORD_STATUS_CUR_SRC 0x01 579 #define CEC_OP_RECORD_STATUS_DIG_SERVICE 0x02 580 #define CEC_OP_RECORD_STATUS_ANA_SERVICE 0x03 581 #define CEC_OP_RECORD_STATUS_EXT_INPUT 0x04 582 #define CEC_OP_RECORD_STATUS_NO_DIG_SERVICE 0x05 583 #define CEC_OP_RECORD_STATUS_NO_ANA_SERVICE 0x06 584 #define CEC_OP_RECORD_STATUS_NO_SERVICE 0x07 585 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PLUG 0x09 586 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PHYS_ADDR 0x0a 587 #define CEC_OP_RECORD_STATUS_UNSUP_CA 0x0b 588 #define CEC_OP_RECORD_STATUS_NO_CA_ENTITLEMENTS 0x0c 589 #define CEC_OP_RECORD_STATUS_CANT_COPY_SRC 0x0d 590 #define CEC_OP_RECORD_STATUS_NO_MORE_COPIES 0x0e 591 #define CEC_OP_RECORD_STATUS_NO_MEDIA 0x10 592 #define CEC_OP_RECORD_STATUS_PLAYING 0x11 593 #define CEC_OP_RECORD_STATUS_ALREADY_RECORDING 0x12 594 #define CEC_OP_RECORD_STATUS_MEDIA_PROT 0x13 595 #define CEC_OP_RECORD_STATUS_NO_SIGNAL 0x14 596 #define CEC_OP_RECORD_STATUS_MEDIA_PROBLEM 0x15 597 #define CEC_OP_RECORD_STATUS_NO_SPACE 0x16 598 #define CEC_OP_RECORD_STATUS_PARENTAL_LOCK 0x17 599 #define CEC_OP_RECORD_STATUS_TERMINATED_OK 0x1a 600 #define CEC_OP_RECORD_STATUS_ALREADY_TERM 0x1b 601 #define CEC_OP_RECORD_STATUS_OTHER 0x1f 602 603 #define CEC_MSG_RECORD_TV_SCREEN 0x0f 604 605 606 /* Timer Programming Feature */ 607 #define CEC_MSG_CLEAR_ANALOGUE_TIMER 0x33 608 /* Recording Sequence Operand (recording_seq) */ 609 #define CEC_OP_REC_SEQ_SUNDAY 0x01 610 #define CEC_OP_REC_SEQ_MONDAY 0x02 611 #define CEC_OP_REC_SEQ_TUESDAY 0x04 612 #define CEC_OP_REC_SEQ_WEDNESDAY 0x08 613 #define CEC_OP_REC_SEQ_THURSDAY 0x10 614 #define CEC_OP_REC_SEQ_FRIDAY 0x20 615 #define CEC_OP_REC_SEQ_SATERDAY 0x40 616 #define CEC_OP_REC_SEQ_ONCE_ONLY 0x00 617 618 #define CEC_MSG_CLEAR_DIGITAL_TIMER 0x99 619 620 #define CEC_MSG_CLEAR_EXT_TIMER 0xa1 621 /* External Source Specifier Operand (ext_src_spec) */ 622 #define CEC_OP_EXT_SRC_PLUG 0x04 623 #define CEC_OP_EXT_SRC_PHYS_ADDR 0x05 624 625 #define CEC_MSG_SET_ANALOGUE_TIMER 0x34 626 #define CEC_MSG_SET_DIGITAL_TIMER 0x97 627 #define CEC_MSG_SET_EXT_TIMER 0xa2 628 629 #define CEC_MSG_SET_TIMER_PROGRAM_TITLE 0x67 630 #define CEC_MSG_TIMER_CLEARED_STATUS 0x43 631 /* Timer Cleared Status Data Operand (timer_cleared_status) */ 632 #define CEC_OP_TIMER_CLR_STAT_RECORDING 0x00 633 #define CEC_OP_TIMER_CLR_STAT_NO_MATCHING 0x01 634 #define CEC_OP_TIMER_CLR_STAT_NO_INFO 0x02 635 #define CEC_OP_TIMER_CLR_STAT_CLEARED 0x80 636 637 #define CEC_MSG_TIMER_STATUS 0x35 638 /* Timer Overlap Warning Operand (timer_overlap_warning) */ 639 #define CEC_OP_TIMER_OVERLAP_WARNING_NO_OVERLAP 0 640 #define CEC_OP_TIMER_OVERLAP_WARNING_OVERLAP 1 641 /* Media Info Operand (media_info) */ 642 #define CEC_OP_MEDIA_INFO_UNPROT_MEDIA 0 643 #define CEC_OP_MEDIA_INFO_PROT_MEDIA 1 644 #define CEC_OP_MEDIA_INFO_NO_MEDIA 2 645 /* Programmed Indicator Operand (prog_indicator) */ 646 #define CEC_OP_PROG_IND_NOT_PROGRAMMED 0 647 #define CEC_OP_PROG_IND_PROGRAMMED 1 648 /* Programmed Info Operand (prog_info) */ 649 #define CEC_OP_PROG_INFO_ENOUGH_SPACE 0x08 650 #define CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE 0x09 651 #define CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE 0x0b 652 #define CEC_OP_PROG_INFO_NONE_AVAILABLE 0x0a 653 /* Not Programmed Error Info Operand (prog_error) */ 654 #define CEC_OP_PROG_ERROR_NO_FREE_TIMER 0x01 655 #define CEC_OP_PROG_ERROR_DATE_OUT_OF_RANGE 0x02 656 #define CEC_OP_PROG_ERROR_REC_SEQ_ERROR 0x03 657 #define CEC_OP_PROG_ERROR_INV_EXT_PLUG 0x04 658 #define CEC_OP_PROG_ERROR_INV_EXT_PHYS_ADDR 0x05 659 #define CEC_OP_PROG_ERROR_CA_UNSUPP 0x06 660 #define CEC_OP_PROG_ERROR_INSUF_CA_ENTITLEMENTS 0x07 661 #define CEC_OP_PROG_ERROR_RESOLUTION_UNSUPP 0x08 662 #define CEC_OP_PROG_ERROR_PARENTAL_LOCK 0x09 663 #define CEC_OP_PROG_ERROR_CLOCK_FAILURE 0x0a 664 #define CEC_OP_PROG_ERROR_DUPLICATE 0x0e 665 666 667 /* System Information Feature */ 668 #define CEC_MSG_CEC_VERSION 0x9e 669 /* CEC Version Operand (cec_version) */ 670 #define CEC_OP_CEC_VERSION_1_3A 4 671 #define CEC_OP_CEC_VERSION_1_4 5 672 #define CEC_OP_CEC_VERSION_2_0 6 673 674 #define CEC_MSG_GET_CEC_VERSION 0x9f 675 #define CEC_MSG_GIVE_PHYSICAL_ADDR 0x83 676 #define CEC_MSG_GET_MENU_LANGUAGE 0x91 677 #define CEC_MSG_REPORT_PHYSICAL_ADDR 0x84 678 /* Primary Device Type Operand (prim_devtype) */ 679 #define CEC_OP_PRIM_DEVTYPE_TV 0 680 #define CEC_OP_PRIM_DEVTYPE_RECORD 1 681 #define CEC_OP_PRIM_DEVTYPE_TUNER 3 682 #define CEC_OP_PRIM_DEVTYPE_PLAYBACK 4 683 #define CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM 5 684 #define CEC_OP_PRIM_DEVTYPE_SWITCH 6 685 #define CEC_OP_PRIM_DEVTYPE_PROCESSOR 7 686 687 #define CEC_MSG_SET_MENU_LANGUAGE 0x32 688 #define CEC_MSG_REPORT_FEATURES 0xa6 /* HDMI 2.0 */ 689 /* All Device Types Operand (all_device_types) */ 690 #define CEC_OP_ALL_DEVTYPE_TV 0x80 691 #define CEC_OP_ALL_DEVTYPE_RECORD 0x40 692 #define CEC_OP_ALL_DEVTYPE_TUNER 0x20 693 #define CEC_OP_ALL_DEVTYPE_PLAYBACK 0x10 694 #define CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM 0x08 695 #define CEC_OP_ALL_DEVTYPE_SWITCH 0x04 696 /* 697 * And if you wondering what happened to PROCESSOR devices: those should 698 * be mapped to a SWITCH. 699 */ 700 701 /* Valid for RC Profile and Device Feature operands */ 702 #define CEC_OP_FEAT_EXT 0x80 /* Extension bit */ 703 /* RC Profile Operand (rc_profile) */ 704 #define CEC_OP_FEAT_RC_TV_PROFILE_NONE 0x00 705 #define CEC_OP_FEAT_RC_TV_PROFILE_1 0x02 706 #define CEC_OP_FEAT_RC_TV_PROFILE_2 0x06 707 #define CEC_OP_FEAT_RC_TV_PROFILE_3 0x0a 708 #define CEC_OP_FEAT_RC_TV_PROFILE_4 0x0e 709 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_ROOT_MENU 0x50 710 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_SETUP_MENU 0x48 711 #define CEC_OP_FEAT_RC_SRC_HAS_CONTENTS_MENU 0x44 712 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_TOP_MENU 0x42 713 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU 0x41 714 /* Device Feature Operand (dev_features) */ 715 #define CEC_OP_FEAT_DEV_HAS_RECORD_TV_SCREEN 0x40 716 #define CEC_OP_FEAT_DEV_HAS_SET_OSD_STRING 0x20 717 #define CEC_OP_FEAT_DEV_HAS_DECK_CONTROL 0x10 718 #define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE 0x08 719 #define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX 0x04 720 #define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX 0x02 721 722 #define CEC_MSG_GIVE_FEATURES 0xa5 /* HDMI 2.0 */ 723 724 725 /* Deck Control Feature */ 726 #define CEC_MSG_DECK_CONTROL 0x42 727 /* Deck Control Mode Operand (deck_control_mode) */ 728 #define CEC_OP_DECK_CTL_MODE_SKIP_FWD 1 729 #define CEC_OP_DECK_CTL_MODE_SKIP_REV 2 730 #define CEC_OP_DECK_CTL_MODE_STOP 3 731 #define CEC_OP_DECK_CTL_MODE_EJECT 4 732 733 #define CEC_MSG_DECK_STATUS 0x1b 734 /* Deck Info Operand (deck_info) */ 735 #define CEC_OP_DECK_INFO_PLAY 0x11 736 #define CEC_OP_DECK_INFO_RECORD 0x12 737 #define CEC_OP_DECK_INFO_PLAY_REV 0x13 738 #define CEC_OP_DECK_INFO_STILL 0x14 739 #define CEC_OP_DECK_INFO_SLOW 0x15 740 #define CEC_OP_DECK_INFO_SLOW_REV 0x16 741 #define CEC_OP_DECK_INFO_FAST_FWD 0x17 742 #define CEC_OP_DECK_INFO_FAST_REV 0x18 743 #define CEC_OP_DECK_INFO_NO_MEDIA 0x19 744 #define CEC_OP_DECK_INFO_STOP 0x1a 745 #define CEC_OP_DECK_INFO_SKIP_FWD 0x1b 746 #define CEC_OP_DECK_INFO_SKIP_REV 0x1c 747 #define CEC_OP_DECK_INFO_INDEX_SEARCH_FWD 0x1d 748 #define CEC_OP_DECK_INFO_INDEX_SEARCH_REV 0x1e 749 #define CEC_OP_DECK_INFO_OTHER 0x1f 750 751 #define CEC_MSG_GIVE_DECK_STATUS 0x1a 752 /* Status Request Operand (status_req) */ 753 #define CEC_OP_STATUS_REQ_ON 1 754 #define CEC_OP_STATUS_REQ_OFF 2 755 #define CEC_OP_STATUS_REQ_ONCE 3 756 757 #define CEC_MSG_PLAY 0x41 758 /* Play Mode Operand (play_mode) */ 759 #define CEC_OP_PLAY_MODE_PLAY_FWD 0x24 760 #define CEC_OP_PLAY_MODE_PLAY_REV 0x20 761 #define CEC_OP_PLAY_MODE_PLAY_STILL 0x25 762 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MIN 0x05 763 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MED 0x06 764 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MAX 0x07 765 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MIN 0x09 766 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MED 0x0a 767 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MAX 0x0b 768 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MIN 0x15 769 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MED 0x16 770 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MAX 0x17 771 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MIN 0x19 772 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MED 0x1a 773 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MAX 0x1b 774 775 776 /* Tuner Control Feature */ 777 #define CEC_MSG_GIVE_TUNER_DEVICE_STATUS 0x08 778 #define CEC_MSG_SELECT_ANALOGUE_SERVICE 0x92 779 #define CEC_MSG_SELECT_DIGITAL_SERVICE 0x93 780 #define CEC_MSG_TUNER_DEVICE_STATUS 0x07 781 /* Recording Flag Operand (rec_flag) */ 782 #define CEC_OP_REC_FLAG_USED 0 783 #define CEC_OP_REC_FLAG_NOT_USED 1 784 /* Tuner Display Info Operand (tuner_display_info) */ 785 #define CEC_OP_TUNER_DISPLAY_INFO_DIGITAL 0 786 #define CEC_OP_TUNER_DISPLAY_INFO_NONE 1 787 #define CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE 2 788 789 #define CEC_MSG_TUNER_STEP_DECREMENT 0x06 790 #define CEC_MSG_TUNER_STEP_INCREMENT 0x05 791 792 793 /* Vendor Specific Commands Feature */ 794 795 /* 796 * Has also: 797 * CEC_MSG_CEC_VERSION 798 * CEC_MSG_GET_CEC_VERSION 799 */ 800 #define CEC_MSG_DEVICE_VENDOR_ID 0x87 801 #define CEC_MSG_GIVE_DEVICE_VENDOR_ID 0x8c 802 #define CEC_MSG_VENDOR_COMMAND 0x89 803 #define CEC_MSG_VENDOR_COMMAND_WITH_ID 0xa0 804 #define CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN 0x8a 805 #define CEC_MSG_VENDOR_REMOTE_BUTTON_UP 0x8b 806 807 808 /* OSD Display Feature */ 809 #define CEC_MSG_SET_OSD_STRING 0x64 810 /* Display Control Operand (disp_ctl) */ 811 #define CEC_OP_DISP_CTL_DEFAULT 0x00 812 #define CEC_OP_DISP_CTL_UNTIL_CLEARED 0x40 813 #define CEC_OP_DISP_CTL_CLEAR 0x80 814 815 816 /* Device OSD Transfer Feature */ 817 #define CEC_MSG_GIVE_OSD_NAME 0x46 818 #define CEC_MSG_SET_OSD_NAME 0x47 819 820 821 /* Device Menu Control Feature */ 822 #define CEC_MSG_MENU_REQUEST 0x8d 823 /* Menu Request Type Operand (menu_req) */ 824 #define CEC_OP_MENU_REQUEST_ACTIVATE 0x00 825 #define CEC_OP_MENU_REQUEST_DEACTIVATE 0x01 826 #define CEC_OP_MENU_REQUEST_QUERY 0x02 827 828 #define CEC_MSG_MENU_STATUS 0x8e 829 /* Menu State Operand (menu_state) */ 830 #define CEC_OP_MENU_STATE_ACTIVATED 0x00 831 #define CEC_OP_MENU_STATE_DEACTIVATED 0x01 832 833 #define CEC_MSG_USER_CONTROL_PRESSED 0x44 834 /* UI Broadcast Type Operand (ui_bcast_type) */ 835 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_ALL 0x00 836 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_DIG_ANA 0x01 837 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE 0x10 838 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_T 0x20 839 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_CABLE 0x30 840 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_SAT 0x40 841 #define CEC_OP_UI_BCAST_TYPE_DIGITAL 0x50 842 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_T 0x60 843 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_CABLE 0x70 844 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_SAT 0x80 845 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT 0x90 846 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT2 0x91 847 #define CEC_OP_UI_BCAST_TYPE_IP 0xa0 848 /* UI Sound Presentation Control Operand (ui_snd_pres_ctl) */ 849 #define CEC_OP_UI_SND_PRES_CTL_DUAL_MONO 0x10 850 #define CEC_OP_UI_SND_PRES_CTL_KARAOKE 0x20 851 #define CEC_OP_UI_SND_PRES_CTL_DOWNMIX 0x80 852 #define CEC_OP_UI_SND_PRES_CTL_REVERB 0x90 853 #define CEC_OP_UI_SND_PRES_CTL_EQUALIZER 0xa0 854 #define CEC_OP_UI_SND_PRES_CTL_BASS_UP 0xb1 855 #define CEC_OP_UI_SND_PRES_CTL_BASS_NEUTRAL 0xb2 856 #define CEC_OP_UI_SND_PRES_CTL_BASS_DOWN 0xb3 857 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_UP 0xc1 858 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_NEUTRAL 0xc2 859 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_DOWN 0xc3 860 861 #define CEC_MSG_USER_CONTROL_RELEASED 0x45 862 863 864 /* Remote Control Passthrough Feature */ 865 866 /* 867 * Has also: 868 * CEC_MSG_USER_CONTROL_PRESSED 869 * CEC_MSG_USER_CONTROL_RELEASED 870 */ 871 872 873 /* Power Status Feature */ 874 #define CEC_MSG_GIVE_DEVICE_POWER_STATUS 0x8f 875 #define CEC_MSG_REPORT_POWER_STATUS 0x90 876 /* Power Status Operand (pwr_state) */ 877 #define CEC_OP_POWER_STATUS_ON 0 878 #define CEC_OP_POWER_STATUS_STANDBY 1 879 #define CEC_OP_POWER_STATUS_TO_ON 2 880 #define CEC_OP_POWER_STATUS_TO_STANDBY 3 881 882 883 /* General Protocol Messages */ 884 #define CEC_MSG_FEATURE_ABORT 0x00 885 /* Abort Reason Operand (reason) */ 886 #define CEC_OP_ABORT_UNRECOGNIZED_OP 0 887 #define CEC_OP_ABORT_INCORRECT_MODE 1 888 #define CEC_OP_ABORT_NO_SOURCE 2 889 #define CEC_OP_ABORT_INVALID_OP 3 890 #define CEC_OP_ABORT_REFUSED 4 891 #define CEC_OP_ABORT_UNDETERMINED 5 892 893 #define CEC_MSG_ABORT 0xff 894 895 896 /* System Audio Control Feature */ 897 898 /* 899 * Has also: 900 * CEC_MSG_USER_CONTROL_PRESSED 901 * CEC_MSG_USER_CONTROL_RELEASED 902 */ 903 #define CEC_MSG_GIVE_AUDIO_STATUS 0x71 904 #define CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS 0x7d 905 #define CEC_MSG_REPORT_AUDIO_STATUS 0x7a 906 /* Audio Mute Status Operand (aud_mute_status) */ 907 #define CEC_OP_AUD_MUTE_STATUS_OFF 0 908 #define CEC_OP_AUD_MUTE_STATUS_ON 1 909 910 #define CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR 0xa3 911 #define CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR 0xa4 912 #define CEC_MSG_SET_SYSTEM_AUDIO_MODE 0x72 913 /* System Audio Status Operand (sys_aud_status) */ 914 #define CEC_OP_SYS_AUD_STATUS_OFF 0 915 #define CEC_OP_SYS_AUD_STATUS_ON 1 916 917 #define CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST 0x70 918 #define CEC_MSG_SYSTEM_AUDIO_MODE_STATUS 0x7e 919 /* Audio Format ID Operand (audio_format_id) */ 920 #define CEC_OP_AUD_FMT_ID_CEA861 0 921 #define CEC_OP_AUD_FMT_ID_CEA861_CXT 1 922 923 924 /* Audio Rate Control Feature */ 925 #define CEC_MSG_SET_AUDIO_RATE 0x9a 926 /* Audio Rate Operand (audio_rate) */ 927 #define CEC_OP_AUD_RATE_OFF 0 928 #define CEC_OP_AUD_RATE_WIDE_STD 1 929 #define CEC_OP_AUD_RATE_WIDE_FAST 2 930 #define CEC_OP_AUD_RATE_WIDE_SLOW 3 931 #define CEC_OP_AUD_RATE_NARROW_STD 4 932 #define CEC_OP_AUD_RATE_NARROW_FAST 5 933 #define CEC_OP_AUD_RATE_NARROW_SLOW 6 934 935 936 /* Audio Return Channel Control Feature */ 937 #define CEC_MSG_INITIATE_ARC 0xc0 938 #define CEC_MSG_REPORT_ARC_INITIATED 0xc1 939 #define CEC_MSG_REPORT_ARC_TERMINATED 0xc2 940 #define CEC_MSG_REQUEST_ARC_INITIATION 0xc3 941 #define CEC_MSG_REQUEST_ARC_TERMINATION 0xc4 942 #define CEC_MSG_TERMINATE_ARC 0xc5 943 944 945 /* Dynamic Audio Lipsync Feature */ 946 /* Only for CEC 2.0 and up */ 947 #define CEC_MSG_REQUEST_CURRENT_LATENCY 0xa7 948 #define CEC_MSG_REPORT_CURRENT_LATENCY 0xa8 949 /* Low Latency Mode Operand (low_latency_mode) */ 950 #define CEC_OP_LOW_LATENCY_MODE_OFF 0 951 #define CEC_OP_LOW_LATENCY_MODE_ON 1 952 /* Audio Output Compensated Operand (audio_out_compensated) */ 953 #define CEC_OP_AUD_OUT_COMPENSATED_NA 0 954 #define CEC_OP_AUD_OUT_COMPENSATED_DELAY 1 955 #define CEC_OP_AUD_OUT_COMPENSATED_NO_DELAY 2 956 #define CEC_OP_AUD_OUT_COMPENSATED_PARTIAL_DELAY 3 957 958 959 /* Capability Discovery and Control Feature */ 960 #define CEC_MSG_CDC_MESSAGE 0xf8 961 /* Ethernet-over-HDMI: nobody ever does this... */ 962 #define CEC_MSG_CDC_HEC_INQUIRE_STATE 0x00 963 #define CEC_MSG_CDC_HEC_REPORT_STATE 0x01 964 /* HEC Functionality State Operand (hec_func_state) */ 965 #define CEC_OP_HEC_FUNC_STATE_NOT_SUPPORTED 0 966 #define CEC_OP_HEC_FUNC_STATE_INACTIVE 1 967 #define CEC_OP_HEC_FUNC_STATE_ACTIVE 2 968 #define CEC_OP_HEC_FUNC_STATE_ACTIVATION_FIELD 3 969 /* Host Functionality State Operand (host_func_state) */ 970 #define CEC_OP_HOST_FUNC_STATE_NOT_SUPPORTED 0 971 #define CEC_OP_HOST_FUNC_STATE_INACTIVE 1 972 #define CEC_OP_HOST_FUNC_STATE_ACTIVE 2 973 /* ENC Functionality State Operand (enc_func_state) */ 974 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_NOT_SUPPORTED 0 975 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_INACTIVE 1 976 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_ACTIVE 2 977 /* CDC Error Code Operand (cdc_errcode) */ 978 #define CEC_OP_CDC_ERROR_CODE_NONE 0 979 #define CEC_OP_CDC_ERROR_CODE_CAP_UNSUPPORTED 1 980 #define CEC_OP_CDC_ERROR_CODE_WRONG_STATE 2 981 #define CEC_OP_CDC_ERROR_CODE_OTHER 3 982 /* HEC Support Operand (hec_support) */ 983 #define CEC_OP_HEC_SUPPORT_NO 0 984 #define CEC_OP_HEC_SUPPORT_YES 1 985 /* HEC Activation Operand (hec_activation) */ 986 #define CEC_OP_HEC_ACTIVATION_ON 0 987 #define CEC_OP_HEC_ACTIVATION_OFF 1 988 989 #define CEC_MSG_CDC_HEC_SET_STATE_ADJACENT 0x02 990 #define CEC_MSG_CDC_HEC_SET_STATE 0x03 991 /* HEC Set State Operand (hec_set_state) */ 992 #define CEC_OP_HEC_SET_STATE_DEACTIVATE 0 993 #define CEC_OP_HEC_SET_STATE_ACTIVATE 1 994 995 #define CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION 0x04 996 #define CEC_MSG_CDC_HEC_NOTIFY_ALIVE 0x05 997 #define CEC_MSG_CDC_HEC_DISCOVER 0x06 998 /* Hotplug Detect messages */ 999 #define CEC_MSG_CDC_HPD_SET_STATE 0x10 1000 /* HPD State Operand (hpd_state) */ 1001 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE 0 1002 #define CEC_OP_HPD_STATE_CP_EDID_ENABLE 1 1003 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE_ENABLE 2 1004 #define CEC_OP_HPD_STATE_EDID_DISABLE 3 1005 #define CEC_OP_HPD_STATE_EDID_ENABLE 4 1006 #define CEC_OP_HPD_STATE_EDID_DISABLE_ENABLE 5 1007 #define CEC_MSG_CDC_HPD_REPORT_STATE 0x11 1008 /* HPD Error Code Operand (hpd_error) */ 1009 #define CEC_OP_HPD_ERROR_NONE 0 1010 #define CEC_OP_HPD_ERROR_INITIATOR_NOT_CAPABLE 1 1011 #define CEC_OP_HPD_ERROR_INITIATOR_WRONG_STATE 2 1012 #define CEC_OP_HPD_ERROR_OTHER 3 1013 #define CEC_OP_HPD_ERROR_NONE_NO_VIDEO 4 1014 1015 /* End of Messages */ 1016 1017 /* Helper functions to identify the 'special' CEC devices */ 1018 1019 static inline bool cec_is_2nd_tv(const struct cec_log_addrs *las) 1020 { 1021 /* 1022 * It is a second TV if the logical address is 14 or 15 and the 1023 * primary device type is a TV. 1024 */ 1025 return las->num_log_addrs && 1026 las->log_addr[0] >= CEC_LOG_ADDR_SPECIFIC && 1027 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_TV; 1028 } 1029 1030 static inline bool cec_is_processor(const struct cec_log_addrs *las) 1031 { 1032 /* 1033 * It is a processor if the logical address is 12-15 and the 1034 * primary device type is a Processor. 1035 */ 1036 return las->num_log_addrs && 1037 las->log_addr[0] >= CEC_LOG_ADDR_BACKUP_1 && 1038 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_PROCESSOR; 1039 } 1040 1041 static inline bool cec_is_switch(const struct cec_log_addrs *las) 1042 { 1043 /* 1044 * It is a switch if the logical address is 15 and the 1045 * primary device type is a Switch and the CDC-Only flag is not set. 1046 */ 1047 return las->num_log_addrs == 1 && 1048 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1049 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1050 !(las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1051 } 1052 1053 static inline bool cec_is_cdc_only(const struct cec_log_addrs *las) 1054 { 1055 /* 1056 * It is a CDC-only device if the logical address is 15 and the 1057 * primary device type is a Switch and the CDC-Only flag is set. 1058 */ 1059 return las->num_log_addrs == 1 && 1060 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1061 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1062 (las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1063 } 1064 1065 #endif 1066