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