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 * This program is free software; you may redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; version 2 of the License. 10 * 11 * Alternatively you can redistribute this file under the terms of the 12 * BSD license as stated below: 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in 21 * the documentation and/or other materials provided with the 22 * distribution. 23 * 3. The names of its contributors may not be used to endorse or promote 24 * products derived from this software without specific prior written 25 * permission. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37 #ifndef _CEC_UAPI_H 38 #define _CEC_UAPI_H 39 40 #include <linux/types.h> 41 #include <linux/string.h> 42 43 #define CEC_MAX_MSG_SIZE 16 44 45 /** 46 * struct cec_msg - CEC message structure. 47 * @tx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 48 * driver when the message transmission has finished. 49 * @rx_ts: Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the 50 * driver when the message was received. 51 * @len: Length in bytes of the message. 52 * @timeout: The timeout (in ms) that is used to timeout CEC_RECEIVE. 53 * Set to 0 if you want to wait forever. This timeout can also be 54 * used with CEC_TRANSMIT as the timeout for waiting for a reply. 55 * If 0, then it will use a 1 second timeout instead of waiting 56 * forever as is done with CEC_RECEIVE. 57 * @sequence: The framework assigns a sequence number to messages that are 58 * sent. This can be used to track replies to previously sent 59 * messages. 60 * @flags: Set to 0. 61 * @msg: The message payload. 62 * @reply: This field is ignored with CEC_RECEIVE and is only used by 63 * CEC_TRANSMIT. If non-zero, then wait for a reply with this 64 * opcode. Set to CEC_MSG_FEATURE_ABORT if you want to wait for 65 * a possible ABORT reply. If there was an error when sending the 66 * msg or FeatureAbort was returned, then reply is set to 0. 67 * If reply is non-zero upon return, then len/msg are set to 68 * the received message. 69 * If reply is zero upon return and status has the 70 * CEC_TX_STATUS_FEATURE_ABORT bit set, then len/msg are set to 71 * the received feature abort message. 72 * If reply is zero upon return and status has the 73 * CEC_TX_STATUS_MAX_RETRIES bit set, then no reply was seen at 74 * all. If reply is non-zero for CEC_TRANSMIT and the message is a 75 * broadcast, then -EINVAL is returned. 76 * if reply is non-zero, then timeout is set to 1000 (the required 77 * maximum response time). 78 * @rx_status: The message receive status bits. Set by the driver. 79 * @tx_status: The message transmit status bits. Set by the driver. 80 * @tx_arb_lost_cnt: The number of 'Arbitration Lost' events. Set by the driver. 81 * @tx_nack_cnt: The number of 'Not Acknowledged' events. Set by the driver. 82 * @tx_low_drive_cnt: The number of 'Low Drive Detected' events. Set by the 83 * driver. 84 * @tx_error_cnt: The number of 'Error' events. Set by the driver. 85 */ 86 struct cec_msg { 87 __u64 tx_ts; 88 __u64 rx_ts; 89 __u32 len; 90 __u32 timeout; 91 __u32 sequence; 92 __u32 flags; 93 __u8 msg[CEC_MAX_MSG_SIZE]; 94 __u8 reply; 95 __u8 rx_status; 96 __u8 tx_status; 97 __u8 tx_arb_lost_cnt; 98 __u8 tx_nack_cnt; 99 __u8 tx_low_drive_cnt; 100 __u8 tx_error_cnt; 101 }; 102 103 /** 104 * cec_msg_initiator - return the initiator's logical address. 105 * @msg: the message structure 106 */ 107 static inline __u8 cec_msg_initiator(const struct cec_msg *msg) 108 { 109 return msg->msg[0] >> 4; 110 } 111 112 /** 113 * cec_msg_destination - return the destination's logical address. 114 * @msg: the message structure 115 */ 116 static inline __u8 cec_msg_destination(const struct cec_msg *msg) 117 { 118 return msg->msg[0] & 0xf; 119 } 120 121 /** 122 * cec_msg_opcode - return the opcode of the message, -1 for poll 123 * @msg: the message structure 124 */ 125 static inline int cec_msg_opcode(const struct cec_msg *msg) 126 { 127 return msg->len > 1 ? msg->msg[1] : -1; 128 } 129 130 /** 131 * cec_msg_is_broadcast - return true if this is a broadcast message. 132 * @msg: the message structure 133 */ 134 static inline int cec_msg_is_broadcast(const struct cec_msg *msg) 135 { 136 return (msg->msg[0] & 0xf) == 0xf; 137 } 138 139 /** 140 * cec_msg_init - initialize the message structure. 141 * @msg: the message structure 142 * @initiator: the logical address of the initiator 143 * @destination:the logical address of the destination (0xf for broadcast) 144 * 145 * The whole structure is zeroed, the len field is set to 1 (i.e. a poll 146 * message) and the initiator and destination are filled in. 147 */ 148 static inline void cec_msg_init(struct cec_msg *msg, 149 __u8 initiator, __u8 destination) 150 { 151 memset(msg, 0, sizeof(*msg)); 152 msg->msg[0] = (initiator << 4) | destination; 153 msg->len = 1; 154 } 155 156 /** 157 * cec_msg_set_reply_to - fill in destination/initiator in a reply message. 158 * @msg: the message structure for the reply 159 * @orig: the original message structure 160 * 161 * Set the msg destination to the orig initiator and the msg initiator to the 162 * orig destination. Note that msg and orig may be the same pointer, in which 163 * case the change is done in place. 164 */ 165 static inline void cec_msg_set_reply_to(struct cec_msg *msg, 166 struct cec_msg *orig) 167 { 168 /* The destination becomes the initiator and vice versa */ 169 msg->msg[0] = (cec_msg_destination(orig) << 4) | 170 cec_msg_initiator(orig); 171 msg->reply = msg->timeout = 0; 172 } 173 174 /* cec_msg flags field */ 175 #define CEC_MSG_FL_REPLY_TO_FOLLOWERS (1 << 0) 176 177 /* cec_msg tx/rx_status field */ 178 #define CEC_TX_STATUS_OK (1 << 0) 179 #define CEC_TX_STATUS_ARB_LOST (1 << 1) 180 #define CEC_TX_STATUS_NACK (1 << 2) 181 #define CEC_TX_STATUS_LOW_DRIVE (1 << 3) 182 #define CEC_TX_STATUS_ERROR (1 << 4) 183 #define CEC_TX_STATUS_MAX_RETRIES (1 << 5) 184 185 #define CEC_RX_STATUS_OK (1 << 0) 186 #define CEC_RX_STATUS_TIMEOUT (1 << 1) 187 #define CEC_RX_STATUS_FEATURE_ABORT (1 << 2) 188 189 static inline int cec_msg_status_is_ok(const struct cec_msg *msg) 190 { 191 if (msg->tx_status && !(msg->tx_status & CEC_TX_STATUS_OK)) 192 return 0; 193 if (msg->rx_status && !(msg->rx_status & CEC_RX_STATUS_OK)) 194 return 0; 195 if (!msg->tx_status && !msg->rx_status) 196 return 0; 197 return !(msg->rx_status & CEC_RX_STATUS_FEATURE_ABORT); 198 } 199 200 #define CEC_LOG_ADDR_INVALID 0xff 201 #define CEC_PHYS_ADDR_INVALID 0xffff 202 203 /* 204 * The maximum number of logical addresses one device can be assigned to. 205 * The CEC 2.0 spec allows for only 2 logical addresses at the moment. The 206 * Analog Devices CEC hardware supports 3. So let's go wild and go for 4. 207 */ 208 #define CEC_MAX_LOG_ADDRS 4 209 210 /* The logical addresses defined by CEC 2.0 */ 211 #define CEC_LOG_ADDR_TV 0 212 #define CEC_LOG_ADDR_RECORD_1 1 213 #define CEC_LOG_ADDR_RECORD_2 2 214 #define CEC_LOG_ADDR_TUNER_1 3 215 #define CEC_LOG_ADDR_PLAYBACK_1 4 216 #define CEC_LOG_ADDR_AUDIOSYSTEM 5 217 #define CEC_LOG_ADDR_TUNER_2 6 218 #define CEC_LOG_ADDR_TUNER_3 7 219 #define CEC_LOG_ADDR_PLAYBACK_2 8 220 #define CEC_LOG_ADDR_RECORD_3 9 221 #define CEC_LOG_ADDR_TUNER_4 10 222 #define CEC_LOG_ADDR_PLAYBACK_3 11 223 #define CEC_LOG_ADDR_BACKUP_1 12 224 #define CEC_LOG_ADDR_BACKUP_2 13 225 #define CEC_LOG_ADDR_SPECIFIC 14 226 #define CEC_LOG_ADDR_UNREGISTERED 15 /* as initiator address */ 227 #define CEC_LOG_ADDR_BROADCAST 15 /* as destination address */ 228 229 /* The logical address types that the CEC device wants to claim */ 230 #define CEC_LOG_ADDR_TYPE_TV 0 231 #define CEC_LOG_ADDR_TYPE_RECORD 1 232 #define CEC_LOG_ADDR_TYPE_TUNER 2 233 #define CEC_LOG_ADDR_TYPE_PLAYBACK 3 234 #define CEC_LOG_ADDR_TYPE_AUDIOSYSTEM 4 235 #define CEC_LOG_ADDR_TYPE_SPECIFIC 5 236 #define CEC_LOG_ADDR_TYPE_UNREGISTERED 6 237 /* 238 * Switches should use UNREGISTERED. 239 * Processors should use SPECIFIC. 240 */ 241 242 #define CEC_LOG_ADDR_MASK_TV (1 << CEC_LOG_ADDR_TV) 243 #define CEC_LOG_ADDR_MASK_RECORD ((1 << CEC_LOG_ADDR_RECORD_1) | \ 244 (1 << CEC_LOG_ADDR_RECORD_2) | \ 245 (1 << CEC_LOG_ADDR_RECORD_3)) 246 #define CEC_LOG_ADDR_MASK_TUNER ((1 << CEC_LOG_ADDR_TUNER_1) | \ 247 (1 << CEC_LOG_ADDR_TUNER_2) | \ 248 (1 << CEC_LOG_ADDR_TUNER_3) | \ 249 (1 << CEC_LOG_ADDR_TUNER_4)) 250 #define CEC_LOG_ADDR_MASK_PLAYBACK ((1 << CEC_LOG_ADDR_PLAYBACK_1) | \ 251 (1 << CEC_LOG_ADDR_PLAYBACK_2) | \ 252 (1 << CEC_LOG_ADDR_PLAYBACK_3)) 253 #define CEC_LOG_ADDR_MASK_AUDIOSYSTEM (1 << CEC_LOG_ADDR_AUDIOSYSTEM) 254 #define CEC_LOG_ADDR_MASK_BACKUP ((1 << CEC_LOG_ADDR_BACKUP_1) | \ 255 (1 << CEC_LOG_ADDR_BACKUP_2)) 256 #define CEC_LOG_ADDR_MASK_SPECIFIC (1 << CEC_LOG_ADDR_SPECIFIC) 257 #define CEC_LOG_ADDR_MASK_UNREGISTERED (1 << CEC_LOG_ADDR_UNREGISTERED) 258 259 static inline int cec_has_tv(__u16 log_addr_mask) 260 { 261 return log_addr_mask & CEC_LOG_ADDR_MASK_TV; 262 } 263 264 static inline int cec_has_record(__u16 log_addr_mask) 265 { 266 return log_addr_mask & CEC_LOG_ADDR_MASK_RECORD; 267 } 268 269 static inline int cec_has_tuner(__u16 log_addr_mask) 270 { 271 return log_addr_mask & CEC_LOG_ADDR_MASK_TUNER; 272 } 273 274 static inline int cec_has_playback(__u16 log_addr_mask) 275 { 276 return log_addr_mask & CEC_LOG_ADDR_MASK_PLAYBACK; 277 } 278 279 static inline int cec_has_audiosystem(__u16 log_addr_mask) 280 { 281 return log_addr_mask & CEC_LOG_ADDR_MASK_AUDIOSYSTEM; 282 } 283 284 static inline int cec_has_backup(__u16 log_addr_mask) 285 { 286 return log_addr_mask & CEC_LOG_ADDR_MASK_BACKUP; 287 } 288 289 static inline int cec_has_specific(__u16 log_addr_mask) 290 { 291 return log_addr_mask & CEC_LOG_ADDR_MASK_SPECIFIC; 292 } 293 294 static inline int cec_is_unregistered(__u16 log_addr_mask) 295 { 296 return log_addr_mask & CEC_LOG_ADDR_MASK_UNREGISTERED; 297 } 298 299 static inline int cec_is_unconfigured(__u16 log_addr_mask) 300 { 301 return log_addr_mask == 0; 302 } 303 304 /* 305 * Use this if there is no vendor ID (CEC_G_VENDOR_ID) or if the vendor ID 306 * should be disabled (CEC_S_VENDOR_ID) 307 */ 308 #define CEC_VENDOR_ID_NONE 0xffffffff 309 310 /* The message handling modes */ 311 /* Modes for initiator */ 312 #define CEC_MODE_NO_INITIATOR (0x0 << 0) 313 #define CEC_MODE_INITIATOR (0x1 << 0) 314 #define CEC_MODE_EXCL_INITIATOR (0x2 << 0) 315 #define CEC_MODE_INITIATOR_MSK 0x0f 316 317 /* Modes for follower */ 318 #define CEC_MODE_NO_FOLLOWER (0x0 << 4) 319 #define CEC_MODE_FOLLOWER (0x1 << 4) 320 #define CEC_MODE_EXCL_FOLLOWER (0x2 << 4) 321 #define CEC_MODE_EXCL_FOLLOWER_PASSTHRU (0x3 << 4) 322 #define CEC_MODE_MONITOR_PIN (0xd << 4) 323 #define CEC_MODE_MONITOR (0xe << 4) 324 #define CEC_MODE_MONITOR_ALL (0xf << 4) 325 #define CEC_MODE_FOLLOWER_MSK 0xf0 326 327 /* Userspace has to configure the physical address */ 328 #define CEC_CAP_PHYS_ADDR (1 << 0) 329 /* Userspace has to configure the logical addresses */ 330 #define CEC_CAP_LOG_ADDRS (1 << 1) 331 /* Userspace can transmit messages (and thus become follower as well) */ 332 #define CEC_CAP_TRANSMIT (1 << 2) 333 /* 334 * Passthrough all messages instead of processing them. 335 */ 336 #define CEC_CAP_PASSTHROUGH (1 << 3) 337 /* Supports remote control */ 338 #define CEC_CAP_RC (1 << 4) 339 /* Hardware can monitor all messages, not just directed and broadcast. */ 340 #define CEC_CAP_MONITOR_ALL (1 << 5) 341 /* Hardware can use CEC only if the HDMI HPD pin is high. */ 342 #define CEC_CAP_NEEDS_HPD (1 << 6) 343 /* Hardware can monitor CEC pin transitions */ 344 #define CEC_CAP_MONITOR_PIN (1 << 7) 345 346 /** 347 * struct cec_caps - CEC capabilities structure. 348 * @driver: name of the CEC device driver. 349 * @name: name of the CEC device. @driver + @name must be unique. 350 * @available_log_addrs: number of available logical addresses. 351 * @capabilities: capabilities of the CEC adapter. 352 * @version: version of the CEC adapter framework. 353 */ 354 struct cec_caps { 355 char driver[32]; 356 char name[32]; 357 __u32 available_log_addrs; 358 __u32 capabilities; 359 __u32 version; 360 }; 361 362 /** 363 * struct cec_log_addrs - CEC logical addresses structure. 364 * @log_addr: the claimed logical addresses. Set by the driver. 365 * @log_addr_mask: current logical address mask. Set by the driver. 366 * @cec_version: the CEC version that the adapter should implement. Set by the 367 * caller. 368 * @num_log_addrs: how many logical addresses should be claimed. Set by the 369 * caller. 370 * @vendor_id: the vendor ID of the device. Set by the caller. 371 * @flags: flags. 372 * @osd_name: the OSD name of the device. Set by the caller. 373 * @primary_device_type: the primary device type for each logical address. 374 * Set by the caller. 375 * @log_addr_type: the logical address types. Set by the caller. 376 * @all_device_types: CEC 2.0: all device types represented by the logical 377 * address. Set by the caller. 378 * @features: CEC 2.0: The logical address features. Set by the caller. 379 */ 380 struct cec_log_addrs { 381 __u8 log_addr[CEC_MAX_LOG_ADDRS]; 382 __u16 log_addr_mask; 383 __u8 cec_version; 384 __u8 num_log_addrs; 385 __u32 vendor_id; 386 __u32 flags; 387 char osd_name[15]; 388 __u8 primary_device_type[CEC_MAX_LOG_ADDRS]; 389 __u8 log_addr_type[CEC_MAX_LOG_ADDRS]; 390 391 /* CEC 2.0 */ 392 __u8 all_device_types[CEC_MAX_LOG_ADDRS]; 393 __u8 features[CEC_MAX_LOG_ADDRS][12]; 394 }; 395 396 /* Allow a fallback to unregistered */ 397 #define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0) 398 /* Passthrough RC messages to the input subsystem */ 399 #define CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU (1 << 1) 400 /* CDC-Only device: supports only CDC messages */ 401 #define CEC_LOG_ADDRS_FL_CDC_ONLY (1 << 2) 402 403 /* Events */ 404 405 /* Event that occurs when the adapter state changes */ 406 #define CEC_EVENT_STATE_CHANGE 1 407 /* 408 * This event is sent when messages are lost because the application 409 * didn't empty the message queue in time 410 */ 411 #define CEC_EVENT_LOST_MSGS 2 412 #define CEC_EVENT_PIN_CEC_LOW 3 413 #define CEC_EVENT_PIN_CEC_HIGH 4 414 415 #define CEC_EVENT_FL_INITIAL_STATE (1 << 0) 416 #define CEC_EVENT_FL_DROPPED_EVENTS (1 << 1) 417 418 /** 419 * struct cec_event_state_change - used when the CEC adapter changes state. 420 * @phys_addr: the current physical address 421 * @log_addr_mask: the current logical address mask 422 */ 423 struct cec_event_state_change { 424 __u16 phys_addr; 425 __u16 log_addr_mask; 426 }; 427 428 /** 429 * struct cec_event_lost_msgs - tells you how many messages were lost. 430 * @lost_msgs: how many messages were lost. 431 */ 432 struct cec_event_lost_msgs { 433 __u32 lost_msgs; 434 }; 435 436 /** 437 * struct cec_event - CEC event structure 438 * @ts: the timestamp of when the event was sent. 439 * @event: the event. 440 * array. 441 * @state_change: the event payload for CEC_EVENT_STATE_CHANGE. 442 * @lost_msgs: the event payload for CEC_EVENT_LOST_MSGS. 443 * @raw: array to pad the union. 444 */ 445 struct cec_event { 446 __u64 ts; 447 __u32 event; 448 __u32 flags; 449 union { 450 struct cec_event_state_change state_change; 451 struct cec_event_lost_msgs lost_msgs; 452 __u32 raw[16]; 453 }; 454 }; 455 456 /* ioctls */ 457 458 /* Adapter capabilities */ 459 #define CEC_ADAP_G_CAPS _IOWR('a', 0, struct cec_caps) 460 461 /* 462 * phys_addr is either 0 (if this is the CEC root device) 463 * or a valid physical address obtained from the sink's EDID 464 * as read by this CEC device (if this is a source device) 465 * or a physical address obtained and modified from a sink 466 * EDID and used for a sink CEC device. 467 * If nothing is connected, then phys_addr is 0xffff. 468 * See HDMI 1.4b, section 8.7 (Physical Address). 469 * 470 * The CEC_ADAP_S_PHYS_ADDR ioctl may not be available if that is handled 471 * internally. 472 */ 473 #define CEC_ADAP_G_PHYS_ADDR _IOR('a', 1, __u16) 474 #define CEC_ADAP_S_PHYS_ADDR _IOW('a', 2, __u16) 475 476 /* 477 * Configure the CEC adapter. It sets the device type and which 478 * logical types it will try to claim. It will return which 479 * logical addresses it could actually claim. 480 * An error is returned if the adapter is disabled or if there 481 * is no physical address assigned. 482 */ 483 484 #define CEC_ADAP_G_LOG_ADDRS _IOR('a', 3, struct cec_log_addrs) 485 #define CEC_ADAP_S_LOG_ADDRS _IOWR('a', 4, struct cec_log_addrs) 486 487 /* Transmit/receive a CEC command */ 488 #define CEC_TRANSMIT _IOWR('a', 5, struct cec_msg) 489 #define CEC_RECEIVE _IOWR('a', 6, struct cec_msg) 490 491 /* Dequeue CEC events */ 492 #define CEC_DQEVENT _IOWR('a', 7, struct cec_event) 493 494 /* 495 * Get and set the message handling mode for this filehandle. 496 */ 497 #define CEC_G_MODE _IOR('a', 8, __u32) 498 #define CEC_S_MODE _IOW('a', 9, __u32) 499 500 /* 501 * The remainder of this header defines all CEC messages and operands. 502 * The format matters since it the cec-ctl utility parses it to generate 503 * code for implementing all these messages. 504 * 505 * Comments ending with 'Feature' group messages for each feature. 506 * If messages are part of multiple features, then the "Has also" 507 * comment is used to list the previously defined messages that are 508 * supported by the feature. 509 * 510 * Before operands are defined a comment is added that gives the 511 * name of the operand and in brackets the variable name of the 512 * corresponding argument in the cec-funcs.h function. 513 */ 514 515 /* Messages */ 516 517 /* One Touch Play Feature */ 518 #define CEC_MSG_ACTIVE_SOURCE 0x82 519 #define CEC_MSG_IMAGE_VIEW_ON 0x04 520 #define CEC_MSG_TEXT_VIEW_ON 0x0d 521 522 523 /* Routing Control Feature */ 524 525 /* 526 * Has also: 527 * CEC_MSG_ACTIVE_SOURCE 528 */ 529 530 #define CEC_MSG_INACTIVE_SOURCE 0x9d 531 #define CEC_MSG_REQUEST_ACTIVE_SOURCE 0x85 532 #define CEC_MSG_ROUTING_CHANGE 0x80 533 #define CEC_MSG_ROUTING_INFORMATION 0x81 534 #define CEC_MSG_SET_STREAM_PATH 0x86 535 536 537 /* Standby Feature */ 538 #define CEC_MSG_STANDBY 0x36 539 540 541 /* One Touch Record Feature */ 542 #define CEC_MSG_RECORD_OFF 0x0b 543 #define CEC_MSG_RECORD_ON 0x09 544 /* Record Source Type Operand (rec_src_type) */ 545 #define CEC_OP_RECORD_SRC_OWN 1 546 #define CEC_OP_RECORD_SRC_DIGITAL 2 547 #define CEC_OP_RECORD_SRC_ANALOG 3 548 #define CEC_OP_RECORD_SRC_EXT_PLUG 4 549 #define CEC_OP_RECORD_SRC_EXT_PHYS_ADDR 5 550 /* Service Identification Method Operand (service_id_method) */ 551 #define CEC_OP_SERVICE_ID_METHOD_BY_DIG_ID 0 552 #define CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL 1 553 /* Digital Service Broadcast System Operand (dig_bcast_system) */ 554 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_GEN 0x00 555 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN 0x01 556 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_GEN 0x02 557 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_BS 0x08 558 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_CS 0x09 559 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_T 0x0a 560 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE 0x10 561 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT 0x11 562 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T 0x12 563 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_C 0x18 564 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S 0x19 565 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S2 0x1a 566 #define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_T 0x1b 567 /* Analogue Broadcast Type Operand (ana_bcast_type) */ 568 #define CEC_OP_ANA_BCAST_TYPE_CABLE 0 569 #define CEC_OP_ANA_BCAST_TYPE_SATELLITE 1 570 #define CEC_OP_ANA_BCAST_TYPE_TERRESTRIAL 2 571 /* Broadcast System Operand (bcast_system) */ 572 #define CEC_OP_BCAST_SYSTEM_PAL_BG 0x00 573 #define CEC_OP_BCAST_SYSTEM_SECAM_LQ 0x01 /* SECAM L' */ 574 #define CEC_OP_BCAST_SYSTEM_PAL_M 0x02 575 #define CEC_OP_BCAST_SYSTEM_NTSC_M 0x03 576 #define CEC_OP_BCAST_SYSTEM_PAL_I 0x04 577 #define CEC_OP_BCAST_SYSTEM_SECAM_DK 0x05 578 #define CEC_OP_BCAST_SYSTEM_SECAM_BG 0x06 579 #define CEC_OP_BCAST_SYSTEM_SECAM_L 0x07 580 #define CEC_OP_BCAST_SYSTEM_PAL_DK 0x08 581 #define CEC_OP_BCAST_SYSTEM_OTHER 0x1f 582 /* Channel Number Format Operand (channel_number_fmt) */ 583 #define CEC_OP_CHANNEL_NUMBER_FMT_1_PART 0x01 584 #define CEC_OP_CHANNEL_NUMBER_FMT_2_PART 0x02 585 586 #define CEC_MSG_RECORD_STATUS 0x0a 587 /* Record Status Operand (rec_status) */ 588 #define CEC_OP_RECORD_STATUS_CUR_SRC 0x01 589 #define CEC_OP_RECORD_STATUS_DIG_SERVICE 0x02 590 #define CEC_OP_RECORD_STATUS_ANA_SERVICE 0x03 591 #define CEC_OP_RECORD_STATUS_EXT_INPUT 0x04 592 #define CEC_OP_RECORD_STATUS_NO_DIG_SERVICE 0x05 593 #define CEC_OP_RECORD_STATUS_NO_ANA_SERVICE 0x06 594 #define CEC_OP_RECORD_STATUS_NO_SERVICE 0x07 595 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PLUG 0x09 596 #define CEC_OP_RECORD_STATUS_INVALID_EXT_PHYS_ADDR 0x0a 597 #define CEC_OP_RECORD_STATUS_UNSUP_CA 0x0b 598 #define CEC_OP_RECORD_STATUS_NO_CA_ENTITLEMENTS 0x0c 599 #define CEC_OP_RECORD_STATUS_CANT_COPY_SRC 0x0d 600 #define CEC_OP_RECORD_STATUS_NO_MORE_COPIES 0x0e 601 #define CEC_OP_RECORD_STATUS_NO_MEDIA 0x10 602 #define CEC_OP_RECORD_STATUS_PLAYING 0x11 603 #define CEC_OP_RECORD_STATUS_ALREADY_RECORDING 0x12 604 #define CEC_OP_RECORD_STATUS_MEDIA_PROT 0x13 605 #define CEC_OP_RECORD_STATUS_NO_SIGNAL 0x14 606 #define CEC_OP_RECORD_STATUS_MEDIA_PROBLEM 0x15 607 #define CEC_OP_RECORD_STATUS_NO_SPACE 0x16 608 #define CEC_OP_RECORD_STATUS_PARENTAL_LOCK 0x17 609 #define CEC_OP_RECORD_STATUS_TERMINATED_OK 0x1a 610 #define CEC_OP_RECORD_STATUS_ALREADY_TERM 0x1b 611 #define CEC_OP_RECORD_STATUS_OTHER 0x1f 612 613 #define CEC_MSG_RECORD_TV_SCREEN 0x0f 614 615 616 /* Timer Programming Feature */ 617 #define CEC_MSG_CLEAR_ANALOGUE_TIMER 0x33 618 /* Recording Sequence Operand (recording_seq) */ 619 #define CEC_OP_REC_SEQ_SUNDAY 0x01 620 #define CEC_OP_REC_SEQ_MONDAY 0x02 621 #define CEC_OP_REC_SEQ_TUESDAY 0x04 622 #define CEC_OP_REC_SEQ_WEDNESDAY 0x08 623 #define CEC_OP_REC_SEQ_THURSDAY 0x10 624 #define CEC_OP_REC_SEQ_FRIDAY 0x20 625 #define CEC_OP_REC_SEQ_SATERDAY 0x40 626 #define CEC_OP_REC_SEQ_ONCE_ONLY 0x00 627 628 #define CEC_MSG_CLEAR_DIGITAL_TIMER 0x99 629 630 #define CEC_MSG_CLEAR_EXT_TIMER 0xa1 631 /* External Source Specifier Operand (ext_src_spec) */ 632 #define CEC_OP_EXT_SRC_PLUG 0x04 633 #define CEC_OP_EXT_SRC_PHYS_ADDR 0x05 634 635 #define CEC_MSG_SET_ANALOGUE_TIMER 0x34 636 #define CEC_MSG_SET_DIGITAL_TIMER 0x97 637 #define CEC_MSG_SET_EXT_TIMER 0xa2 638 639 #define CEC_MSG_SET_TIMER_PROGRAM_TITLE 0x67 640 #define CEC_MSG_TIMER_CLEARED_STATUS 0x43 641 /* Timer Cleared Status Data Operand (timer_cleared_status) */ 642 #define CEC_OP_TIMER_CLR_STAT_RECORDING 0x00 643 #define CEC_OP_TIMER_CLR_STAT_NO_MATCHING 0x01 644 #define CEC_OP_TIMER_CLR_STAT_NO_INFO 0x02 645 #define CEC_OP_TIMER_CLR_STAT_CLEARED 0x80 646 647 #define CEC_MSG_TIMER_STATUS 0x35 648 /* Timer Overlap Warning Operand (timer_overlap_warning) */ 649 #define CEC_OP_TIMER_OVERLAP_WARNING_NO_OVERLAP 0 650 #define CEC_OP_TIMER_OVERLAP_WARNING_OVERLAP 1 651 /* Media Info Operand (media_info) */ 652 #define CEC_OP_MEDIA_INFO_UNPROT_MEDIA 0 653 #define CEC_OP_MEDIA_INFO_PROT_MEDIA 1 654 #define CEC_OP_MEDIA_INFO_NO_MEDIA 2 655 /* Programmed Indicator Operand (prog_indicator) */ 656 #define CEC_OP_PROG_IND_NOT_PROGRAMMED 0 657 #define CEC_OP_PROG_IND_PROGRAMMED 1 658 /* Programmed Info Operand (prog_info) */ 659 #define CEC_OP_PROG_INFO_ENOUGH_SPACE 0x08 660 #define CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE 0x09 661 #define CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE 0x0b 662 #define CEC_OP_PROG_INFO_NONE_AVAILABLE 0x0a 663 /* Not Programmed Error Info Operand (prog_error) */ 664 #define CEC_OP_PROG_ERROR_NO_FREE_TIMER 0x01 665 #define CEC_OP_PROG_ERROR_DATE_OUT_OF_RANGE 0x02 666 #define CEC_OP_PROG_ERROR_REC_SEQ_ERROR 0x03 667 #define CEC_OP_PROG_ERROR_INV_EXT_PLUG 0x04 668 #define CEC_OP_PROG_ERROR_INV_EXT_PHYS_ADDR 0x05 669 #define CEC_OP_PROG_ERROR_CA_UNSUPP 0x06 670 #define CEC_OP_PROG_ERROR_INSUF_CA_ENTITLEMENTS 0x07 671 #define CEC_OP_PROG_ERROR_RESOLUTION_UNSUPP 0x08 672 #define CEC_OP_PROG_ERROR_PARENTAL_LOCK 0x09 673 #define CEC_OP_PROG_ERROR_CLOCK_FAILURE 0x0a 674 #define CEC_OP_PROG_ERROR_DUPLICATE 0x0e 675 676 677 /* System Information Feature */ 678 #define CEC_MSG_CEC_VERSION 0x9e 679 /* CEC Version Operand (cec_version) */ 680 #define CEC_OP_CEC_VERSION_1_3A 4 681 #define CEC_OP_CEC_VERSION_1_4 5 682 #define CEC_OP_CEC_VERSION_2_0 6 683 684 #define CEC_MSG_GET_CEC_VERSION 0x9f 685 #define CEC_MSG_GIVE_PHYSICAL_ADDR 0x83 686 #define CEC_MSG_GET_MENU_LANGUAGE 0x91 687 #define CEC_MSG_REPORT_PHYSICAL_ADDR 0x84 688 /* Primary Device Type Operand (prim_devtype) */ 689 #define CEC_OP_PRIM_DEVTYPE_TV 0 690 #define CEC_OP_PRIM_DEVTYPE_RECORD 1 691 #define CEC_OP_PRIM_DEVTYPE_TUNER 3 692 #define CEC_OP_PRIM_DEVTYPE_PLAYBACK 4 693 #define CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM 5 694 #define CEC_OP_PRIM_DEVTYPE_SWITCH 6 695 #define CEC_OP_PRIM_DEVTYPE_PROCESSOR 7 696 697 #define CEC_MSG_SET_MENU_LANGUAGE 0x32 698 #define CEC_MSG_REPORT_FEATURES 0xa6 /* HDMI 2.0 */ 699 /* All Device Types Operand (all_device_types) */ 700 #define CEC_OP_ALL_DEVTYPE_TV 0x80 701 #define CEC_OP_ALL_DEVTYPE_RECORD 0x40 702 #define CEC_OP_ALL_DEVTYPE_TUNER 0x20 703 #define CEC_OP_ALL_DEVTYPE_PLAYBACK 0x10 704 #define CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM 0x08 705 #define CEC_OP_ALL_DEVTYPE_SWITCH 0x04 706 /* 707 * And if you wondering what happened to PROCESSOR devices: those should 708 * be mapped to a SWITCH. 709 */ 710 711 /* Valid for RC Profile and Device Feature operands */ 712 #define CEC_OP_FEAT_EXT 0x80 /* Extension bit */ 713 /* RC Profile Operand (rc_profile) */ 714 #define CEC_OP_FEAT_RC_TV_PROFILE_NONE 0x00 715 #define CEC_OP_FEAT_RC_TV_PROFILE_1 0x02 716 #define CEC_OP_FEAT_RC_TV_PROFILE_2 0x06 717 #define CEC_OP_FEAT_RC_TV_PROFILE_3 0x0a 718 #define CEC_OP_FEAT_RC_TV_PROFILE_4 0x0e 719 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_ROOT_MENU 0x50 720 #define CEC_OP_FEAT_RC_SRC_HAS_DEV_SETUP_MENU 0x48 721 #define CEC_OP_FEAT_RC_SRC_HAS_CONTENTS_MENU 0x44 722 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_TOP_MENU 0x42 723 #define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU 0x41 724 /* Device Feature Operand (dev_features) */ 725 #define CEC_OP_FEAT_DEV_HAS_RECORD_TV_SCREEN 0x40 726 #define CEC_OP_FEAT_DEV_HAS_SET_OSD_STRING 0x20 727 #define CEC_OP_FEAT_DEV_HAS_DECK_CONTROL 0x10 728 #define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE 0x08 729 #define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX 0x04 730 #define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX 0x02 731 732 #define CEC_MSG_GIVE_FEATURES 0xa5 /* HDMI 2.0 */ 733 734 735 /* Deck Control Feature */ 736 #define CEC_MSG_DECK_CONTROL 0x42 737 /* Deck Control Mode Operand (deck_control_mode) */ 738 #define CEC_OP_DECK_CTL_MODE_SKIP_FWD 1 739 #define CEC_OP_DECK_CTL_MODE_SKIP_REV 2 740 #define CEC_OP_DECK_CTL_MODE_STOP 3 741 #define CEC_OP_DECK_CTL_MODE_EJECT 4 742 743 #define CEC_MSG_DECK_STATUS 0x1b 744 /* Deck Info Operand (deck_info) */ 745 #define CEC_OP_DECK_INFO_PLAY 0x11 746 #define CEC_OP_DECK_INFO_RECORD 0x12 747 #define CEC_OP_DECK_INFO_PLAY_REV 0x13 748 #define CEC_OP_DECK_INFO_STILL 0x14 749 #define CEC_OP_DECK_INFO_SLOW 0x15 750 #define CEC_OP_DECK_INFO_SLOW_REV 0x16 751 #define CEC_OP_DECK_INFO_FAST_FWD 0x17 752 #define CEC_OP_DECK_INFO_FAST_REV 0x18 753 #define CEC_OP_DECK_INFO_NO_MEDIA 0x19 754 #define CEC_OP_DECK_INFO_STOP 0x1a 755 #define CEC_OP_DECK_INFO_SKIP_FWD 0x1b 756 #define CEC_OP_DECK_INFO_SKIP_REV 0x1c 757 #define CEC_OP_DECK_INFO_INDEX_SEARCH_FWD 0x1d 758 #define CEC_OP_DECK_INFO_INDEX_SEARCH_REV 0x1e 759 #define CEC_OP_DECK_INFO_OTHER 0x1f 760 761 #define CEC_MSG_GIVE_DECK_STATUS 0x1a 762 /* Status Request Operand (status_req) */ 763 #define CEC_OP_STATUS_REQ_ON 1 764 #define CEC_OP_STATUS_REQ_OFF 2 765 #define CEC_OP_STATUS_REQ_ONCE 3 766 767 #define CEC_MSG_PLAY 0x41 768 /* Play Mode Operand (play_mode) */ 769 #define CEC_OP_PLAY_MODE_PLAY_FWD 0x24 770 #define CEC_OP_PLAY_MODE_PLAY_REV 0x20 771 #define CEC_OP_PLAY_MODE_PLAY_STILL 0x25 772 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MIN 0x05 773 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MED 0x06 774 #define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MAX 0x07 775 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MIN 0x09 776 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MED 0x0a 777 #define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MAX 0x0b 778 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MIN 0x15 779 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MED 0x16 780 #define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MAX 0x17 781 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MIN 0x19 782 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MED 0x1a 783 #define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MAX 0x1b 784 785 786 /* Tuner Control Feature */ 787 #define CEC_MSG_GIVE_TUNER_DEVICE_STATUS 0x08 788 #define CEC_MSG_SELECT_ANALOGUE_SERVICE 0x92 789 #define CEC_MSG_SELECT_DIGITAL_SERVICE 0x93 790 #define CEC_MSG_TUNER_DEVICE_STATUS 0x07 791 /* Recording Flag Operand (rec_flag) */ 792 #define CEC_OP_REC_FLAG_USED 0 793 #define CEC_OP_REC_FLAG_NOT_USED 1 794 /* Tuner Display Info Operand (tuner_display_info) */ 795 #define CEC_OP_TUNER_DISPLAY_INFO_DIGITAL 0 796 #define CEC_OP_TUNER_DISPLAY_INFO_NONE 1 797 #define CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE 2 798 799 #define CEC_MSG_TUNER_STEP_DECREMENT 0x06 800 #define CEC_MSG_TUNER_STEP_INCREMENT 0x05 801 802 803 /* Vendor Specific Commands Feature */ 804 805 /* 806 * Has also: 807 * CEC_MSG_CEC_VERSION 808 * CEC_MSG_GET_CEC_VERSION 809 */ 810 #define CEC_MSG_DEVICE_VENDOR_ID 0x87 811 #define CEC_MSG_GIVE_DEVICE_VENDOR_ID 0x8c 812 #define CEC_MSG_VENDOR_COMMAND 0x89 813 #define CEC_MSG_VENDOR_COMMAND_WITH_ID 0xa0 814 #define CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN 0x8a 815 #define CEC_MSG_VENDOR_REMOTE_BUTTON_UP 0x8b 816 817 818 /* OSD Display Feature */ 819 #define CEC_MSG_SET_OSD_STRING 0x64 820 /* Display Control Operand (disp_ctl) */ 821 #define CEC_OP_DISP_CTL_DEFAULT 0x00 822 #define CEC_OP_DISP_CTL_UNTIL_CLEARED 0x40 823 #define CEC_OP_DISP_CTL_CLEAR 0x80 824 825 826 /* Device OSD Transfer Feature */ 827 #define CEC_MSG_GIVE_OSD_NAME 0x46 828 #define CEC_MSG_SET_OSD_NAME 0x47 829 830 831 /* Device Menu Control Feature */ 832 #define CEC_MSG_MENU_REQUEST 0x8d 833 /* Menu Request Type Operand (menu_req) */ 834 #define CEC_OP_MENU_REQUEST_ACTIVATE 0x00 835 #define CEC_OP_MENU_REQUEST_DEACTIVATE 0x01 836 #define CEC_OP_MENU_REQUEST_QUERY 0x02 837 838 #define CEC_MSG_MENU_STATUS 0x8e 839 /* Menu State Operand (menu_state) */ 840 #define CEC_OP_MENU_STATE_ACTIVATED 0x00 841 #define CEC_OP_MENU_STATE_DEACTIVATED 0x01 842 843 #define CEC_MSG_USER_CONTROL_PRESSED 0x44 844 /* UI Broadcast Type Operand (ui_bcast_type) */ 845 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_ALL 0x00 846 #define CEC_OP_UI_BCAST_TYPE_TOGGLE_DIG_ANA 0x01 847 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE 0x10 848 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_T 0x20 849 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_CABLE 0x30 850 #define CEC_OP_UI_BCAST_TYPE_ANALOGUE_SAT 0x40 851 #define CEC_OP_UI_BCAST_TYPE_DIGITAL 0x50 852 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_T 0x60 853 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_CABLE 0x70 854 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_SAT 0x80 855 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT 0x90 856 #define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT2 0x91 857 #define CEC_OP_UI_BCAST_TYPE_IP 0xa0 858 /* UI Sound Presentation Control Operand (ui_snd_pres_ctl) */ 859 #define CEC_OP_UI_SND_PRES_CTL_DUAL_MONO 0x10 860 #define CEC_OP_UI_SND_PRES_CTL_KARAOKE 0x20 861 #define CEC_OP_UI_SND_PRES_CTL_DOWNMIX 0x80 862 #define CEC_OP_UI_SND_PRES_CTL_REVERB 0x90 863 #define CEC_OP_UI_SND_PRES_CTL_EQUALIZER 0xa0 864 #define CEC_OP_UI_SND_PRES_CTL_BASS_UP 0xb1 865 #define CEC_OP_UI_SND_PRES_CTL_BASS_NEUTRAL 0xb2 866 #define CEC_OP_UI_SND_PRES_CTL_BASS_DOWN 0xb3 867 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_UP 0xc1 868 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_NEUTRAL 0xc2 869 #define CEC_OP_UI_SND_PRES_CTL_TREBLE_DOWN 0xc3 870 871 #define CEC_MSG_USER_CONTROL_RELEASED 0x45 872 873 874 /* Remote Control Passthrough Feature */ 875 876 /* 877 * Has also: 878 * CEC_MSG_USER_CONTROL_PRESSED 879 * CEC_MSG_USER_CONTROL_RELEASED 880 */ 881 882 883 /* Power Status Feature */ 884 #define CEC_MSG_GIVE_DEVICE_POWER_STATUS 0x8f 885 #define CEC_MSG_REPORT_POWER_STATUS 0x90 886 /* Power Status Operand (pwr_state) */ 887 #define CEC_OP_POWER_STATUS_ON 0 888 #define CEC_OP_POWER_STATUS_STANDBY 1 889 #define CEC_OP_POWER_STATUS_TO_ON 2 890 #define CEC_OP_POWER_STATUS_TO_STANDBY 3 891 892 893 /* General Protocol Messages */ 894 #define CEC_MSG_FEATURE_ABORT 0x00 895 /* Abort Reason Operand (reason) */ 896 #define CEC_OP_ABORT_UNRECOGNIZED_OP 0 897 #define CEC_OP_ABORT_INCORRECT_MODE 1 898 #define CEC_OP_ABORT_NO_SOURCE 2 899 #define CEC_OP_ABORT_INVALID_OP 3 900 #define CEC_OP_ABORT_REFUSED 4 901 #define CEC_OP_ABORT_UNDETERMINED 5 902 903 #define CEC_MSG_ABORT 0xff 904 905 906 /* System Audio Control Feature */ 907 908 /* 909 * Has also: 910 * CEC_MSG_USER_CONTROL_PRESSED 911 * CEC_MSG_USER_CONTROL_RELEASED 912 */ 913 #define CEC_MSG_GIVE_AUDIO_STATUS 0x71 914 #define CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS 0x7d 915 #define CEC_MSG_REPORT_AUDIO_STATUS 0x7a 916 /* Audio Mute Status Operand (aud_mute_status) */ 917 #define CEC_OP_AUD_MUTE_STATUS_OFF 0 918 #define CEC_OP_AUD_MUTE_STATUS_ON 1 919 920 #define CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR 0xa3 921 #define CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR 0xa4 922 #define CEC_MSG_SET_SYSTEM_AUDIO_MODE 0x72 923 /* System Audio Status Operand (sys_aud_status) */ 924 #define CEC_OP_SYS_AUD_STATUS_OFF 0 925 #define CEC_OP_SYS_AUD_STATUS_ON 1 926 927 #define CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST 0x70 928 #define CEC_MSG_SYSTEM_AUDIO_MODE_STATUS 0x7e 929 /* Audio Format ID Operand (audio_format_id) */ 930 #define CEC_OP_AUD_FMT_ID_CEA861 0 931 #define CEC_OP_AUD_FMT_ID_CEA861_CXT 1 932 933 934 /* Audio Rate Control Feature */ 935 #define CEC_MSG_SET_AUDIO_RATE 0x9a 936 /* Audio Rate Operand (audio_rate) */ 937 #define CEC_OP_AUD_RATE_OFF 0 938 #define CEC_OP_AUD_RATE_WIDE_STD 1 939 #define CEC_OP_AUD_RATE_WIDE_FAST 2 940 #define CEC_OP_AUD_RATE_WIDE_SLOW 3 941 #define CEC_OP_AUD_RATE_NARROW_STD 4 942 #define CEC_OP_AUD_RATE_NARROW_FAST 5 943 #define CEC_OP_AUD_RATE_NARROW_SLOW 6 944 945 946 /* Audio Return Channel Control Feature */ 947 #define CEC_MSG_INITIATE_ARC 0xc0 948 #define CEC_MSG_REPORT_ARC_INITIATED 0xc1 949 #define CEC_MSG_REPORT_ARC_TERMINATED 0xc2 950 #define CEC_MSG_REQUEST_ARC_INITIATION 0xc3 951 #define CEC_MSG_REQUEST_ARC_TERMINATION 0xc4 952 #define CEC_MSG_TERMINATE_ARC 0xc5 953 954 955 /* Dynamic Audio Lipsync Feature */ 956 /* Only for CEC 2.0 and up */ 957 #define CEC_MSG_REQUEST_CURRENT_LATENCY 0xa7 958 #define CEC_MSG_REPORT_CURRENT_LATENCY 0xa8 959 /* Low Latency Mode Operand (low_latency_mode) */ 960 #define CEC_OP_LOW_LATENCY_MODE_OFF 0 961 #define CEC_OP_LOW_LATENCY_MODE_ON 1 962 /* Audio Output Compensated Operand (audio_out_compensated) */ 963 #define CEC_OP_AUD_OUT_COMPENSATED_NA 0 964 #define CEC_OP_AUD_OUT_COMPENSATED_DELAY 1 965 #define CEC_OP_AUD_OUT_COMPENSATED_NO_DELAY 2 966 #define CEC_OP_AUD_OUT_COMPENSATED_PARTIAL_DELAY 3 967 968 969 /* Capability Discovery and Control Feature */ 970 #define CEC_MSG_CDC_MESSAGE 0xf8 971 /* Ethernet-over-HDMI: nobody ever does this... */ 972 #define CEC_MSG_CDC_HEC_INQUIRE_STATE 0x00 973 #define CEC_MSG_CDC_HEC_REPORT_STATE 0x01 974 /* HEC Functionality State Operand (hec_func_state) */ 975 #define CEC_OP_HEC_FUNC_STATE_NOT_SUPPORTED 0 976 #define CEC_OP_HEC_FUNC_STATE_INACTIVE 1 977 #define CEC_OP_HEC_FUNC_STATE_ACTIVE 2 978 #define CEC_OP_HEC_FUNC_STATE_ACTIVATION_FIELD 3 979 /* Host Functionality State Operand (host_func_state) */ 980 #define CEC_OP_HOST_FUNC_STATE_NOT_SUPPORTED 0 981 #define CEC_OP_HOST_FUNC_STATE_INACTIVE 1 982 #define CEC_OP_HOST_FUNC_STATE_ACTIVE 2 983 /* ENC Functionality State Operand (enc_func_state) */ 984 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_NOT_SUPPORTED 0 985 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_INACTIVE 1 986 #define CEC_OP_ENC_FUNC_STATE_EXT_CON_ACTIVE 2 987 /* CDC Error Code Operand (cdc_errcode) */ 988 #define CEC_OP_CDC_ERROR_CODE_NONE 0 989 #define CEC_OP_CDC_ERROR_CODE_CAP_UNSUPPORTED 1 990 #define CEC_OP_CDC_ERROR_CODE_WRONG_STATE 2 991 #define CEC_OP_CDC_ERROR_CODE_OTHER 3 992 /* HEC Support Operand (hec_support) */ 993 #define CEC_OP_HEC_SUPPORT_NO 0 994 #define CEC_OP_HEC_SUPPORT_YES 1 995 /* HEC Activation Operand (hec_activation) */ 996 #define CEC_OP_HEC_ACTIVATION_ON 0 997 #define CEC_OP_HEC_ACTIVATION_OFF 1 998 999 #define CEC_MSG_CDC_HEC_SET_STATE_ADJACENT 0x02 1000 #define CEC_MSG_CDC_HEC_SET_STATE 0x03 1001 /* HEC Set State Operand (hec_set_state) */ 1002 #define CEC_OP_HEC_SET_STATE_DEACTIVATE 0 1003 #define CEC_OP_HEC_SET_STATE_ACTIVATE 1 1004 1005 #define CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION 0x04 1006 #define CEC_MSG_CDC_HEC_NOTIFY_ALIVE 0x05 1007 #define CEC_MSG_CDC_HEC_DISCOVER 0x06 1008 /* Hotplug Detect messages */ 1009 #define CEC_MSG_CDC_HPD_SET_STATE 0x10 1010 /* HPD State Operand (hpd_state) */ 1011 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE 0 1012 #define CEC_OP_HPD_STATE_CP_EDID_ENABLE 1 1013 #define CEC_OP_HPD_STATE_CP_EDID_DISABLE_ENABLE 2 1014 #define CEC_OP_HPD_STATE_EDID_DISABLE 3 1015 #define CEC_OP_HPD_STATE_EDID_ENABLE 4 1016 #define CEC_OP_HPD_STATE_EDID_DISABLE_ENABLE 5 1017 #define CEC_MSG_CDC_HPD_REPORT_STATE 0x11 1018 /* HPD Error Code Operand (hpd_error) */ 1019 #define CEC_OP_HPD_ERROR_NONE 0 1020 #define CEC_OP_HPD_ERROR_INITIATOR_NOT_CAPABLE 1 1021 #define CEC_OP_HPD_ERROR_INITIATOR_WRONG_STATE 2 1022 #define CEC_OP_HPD_ERROR_OTHER 3 1023 #define CEC_OP_HPD_ERROR_NONE_NO_VIDEO 4 1024 1025 /* End of Messages */ 1026 1027 /* Helper functions to identify the 'special' CEC devices */ 1028 1029 static inline int cec_is_2nd_tv(const struct cec_log_addrs *las) 1030 { 1031 /* 1032 * It is a second TV if the logical address is 14 or 15 and the 1033 * primary device type is a TV. 1034 */ 1035 return las->num_log_addrs && 1036 las->log_addr[0] >= CEC_LOG_ADDR_SPECIFIC && 1037 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_TV; 1038 } 1039 1040 static inline int cec_is_processor(const struct cec_log_addrs *las) 1041 { 1042 /* 1043 * It is a processor if the logical address is 12-15 and the 1044 * primary device type is a Processor. 1045 */ 1046 return las->num_log_addrs && 1047 las->log_addr[0] >= CEC_LOG_ADDR_BACKUP_1 && 1048 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_PROCESSOR; 1049 } 1050 1051 static inline int cec_is_switch(const struct cec_log_addrs *las) 1052 { 1053 /* 1054 * It is a switch if the logical address is 15 and the 1055 * primary device type is a Switch and the CDC-Only flag is not set. 1056 */ 1057 return las->num_log_addrs == 1 && 1058 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1059 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1060 !(las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1061 } 1062 1063 static inline int cec_is_cdc_only(const struct cec_log_addrs *las) 1064 { 1065 /* 1066 * It is a CDC-only device if the logical address is 15 and the 1067 * primary device type is a Switch and the CDC-Only flag is set. 1068 */ 1069 return las->num_log_addrs == 1 && 1070 las->log_addr[0] == CEC_LOG_ADDR_UNREGISTERED && 1071 las->primary_device_type[0] == CEC_OP_PRIM_DEVTYPE_SWITCH && 1072 (las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY); 1073 } 1074 1075 #endif 1076