1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
3 * cec - HDMI Consumer Electronics Control message functions
5 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
8 #ifndef _CEC_UAPI_FUNCS_H
9 #define _CEC_UAPI_FUNCS_H
11 #include <linux/cec.h>
13 /* One Touch Play Feature */
14 static inline void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr)
17 msg->msg[0] |= 0xf; /* broadcast */
18 msg->msg[1] = CEC_MSG_ACTIVE_SOURCE;
19 msg->msg[2] = phys_addr >> 8;
20 msg->msg[3] = phys_addr & 0xff;
23 static inline void cec_ops_active_source(const struct cec_msg *msg,
26 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
29 static inline void cec_msg_image_view_on(struct cec_msg *msg)
32 msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON;
35 static inline void cec_msg_text_view_on(struct cec_msg *msg)
38 msg->msg[1] = CEC_MSG_TEXT_VIEW_ON;
42 /* Routing Control Feature */
43 static inline void cec_msg_inactive_source(struct cec_msg *msg,
47 msg->msg[1] = CEC_MSG_INACTIVE_SOURCE;
48 msg->msg[2] = phys_addr >> 8;
49 msg->msg[3] = phys_addr & 0xff;
52 static inline void cec_ops_inactive_source(const struct cec_msg *msg,
55 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
58 static inline void cec_msg_request_active_source(struct cec_msg *msg,
62 msg->msg[0] |= 0xf; /* broadcast */
63 msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE;
64 msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0;
67 static inline void cec_msg_routing_information(struct cec_msg *msg,
71 msg->msg[0] |= 0xf; /* broadcast */
72 msg->msg[1] = CEC_MSG_ROUTING_INFORMATION;
73 msg->msg[2] = phys_addr >> 8;
74 msg->msg[3] = phys_addr & 0xff;
77 static inline void cec_ops_routing_information(const struct cec_msg *msg,
80 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
83 static inline void cec_msg_routing_change(struct cec_msg *msg,
89 msg->msg[0] |= 0xf; /* broadcast */
90 msg->msg[1] = CEC_MSG_ROUTING_CHANGE;
91 msg->msg[2] = orig_phys_addr >> 8;
92 msg->msg[3] = orig_phys_addr & 0xff;
93 msg->msg[4] = new_phys_addr >> 8;
94 msg->msg[5] = new_phys_addr & 0xff;
95 msg->reply = reply ? CEC_MSG_ROUTING_INFORMATION : 0;
98 static inline void cec_ops_routing_change(const struct cec_msg *msg,
99 __u16 *orig_phys_addr,
100 __u16 *new_phys_addr)
102 *orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3];
103 *new_phys_addr = (msg->msg[4] << 8) | msg->msg[5];
106 static inline void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr)
109 msg->msg[0] |= 0xf; /* broadcast */
110 msg->msg[1] = CEC_MSG_SET_STREAM_PATH;
111 msg->msg[2] = phys_addr >> 8;
112 msg->msg[3] = phys_addr & 0xff;
115 static inline void cec_ops_set_stream_path(const struct cec_msg *msg,
118 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
122 /* Standby Feature */
123 static inline void cec_msg_standby(struct cec_msg *msg)
126 msg->msg[1] = CEC_MSG_STANDBY;
130 /* One Touch Record Feature */
131 static inline void cec_msg_record_off(struct cec_msg *msg, int reply)
134 msg->msg[1] = CEC_MSG_RECORD_OFF;
135 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
138 struct cec_op_arib_data {
141 __u16 orig_network_id;
144 struct cec_op_atsc_data {
146 __u16 program_number;
149 struct cec_op_dvb_data {
152 __u16 orig_network_id;
155 struct cec_op_channel_data {
156 __u8 channel_number_fmt;
161 struct cec_op_digital_service_id {
162 __u8 service_id_method;
163 __u8 dig_bcast_system;
165 struct cec_op_arib_data arib;
166 struct cec_op_atsc_data atsc;
167 struct cec_op_dvb_data dvb;
168 struct cec_op_channel_data channel;
172 struct cec_op_record_src {
175 struct cec_op_digital_service_id digital;
190 static inline void cec_set_digital_service_id(__u8 *msg,
191 const struct cec_op_digital_service_id *digital)
193 *msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system;
194 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
195 *msg++ = (digital->channel.channel_number_fmt << 2) |
196 (digital->channel.major >> 8);
197 *msg++ = digital->channel.major & 0xff;
198 *msg++ = digital->channel.minor >> 8;
199 *msg++ = digital->channel.minor & 0xff;
204 switch (digital->dig_bcast_system) {
205 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN:
206 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE:
207 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT:
208 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T:
209 *msg++ = digital->atsc.transport_id >> 8;
210 *msg++ = digital->atsc.transport_id & 0xff;
211 *msg++ = digital->atsc.program_number >> 8;
212 *msg++ = digital->atsc.program_number & 0xff;
217 *msg++ = digital->dvb.transport_id >> 8;
218 *msg++ = digital->dvb.transport_id & 0xff;
219 *msg++ = digital->dvb.service_id >> 8;
220 *msg++ = digital->dvb.service_id & 0xff;
221 *msg++ = digital->dvb.orig_network_id >> 8;
222 *msg++ = digital->dvb.orig_network_id & 0xff;
227 static inline void cec_get_digital_service_id(const __u8 *msg,
228 struct cec_op_digital_service_id *digital)
230 digital->service_id_method = msg[0] >> 7;
231 digital->dig_bcast_system = msg[0] & 0x7f;
232 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
233 digital->channel.channel_number_fmt = msg[1] >> 2;
234 digital->channel.major = ((msg[1] & 3) << 6) | msg[2];
235 digital->channel.minor = (msg[3] << 8) | msg[4];
238 digital->dvb.transport_id = (msg[1] << 8) | msg[2];
239 digital->dvb.service_id = (msg[3] << 8) | msg[4];
240 digital->dvb.orig_network_id = (msg[5] << 8) | msg[6];
243 static inline void cec_msg_record_on_own(struct cec_msg *msg)
246 msg->msg[1] = CEC_MSG_RECORD_ON;
247 msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
250 static inline void cec_msg_record_on_digital(struct cec_msg *msg,
251 const struct cec_op_digital_service_id *digital)
254 msg->msg[1] = CEC_MSG_RECORD_ON;
255 msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL;
256 cec_set_digital_service_id(msg->msg + 3, digital);
259 static inline void cec_msg_record_on_analog(struct cec_msg *msg,
265 msg->msg[1] = CEC_MSG_RECORD_ON;
266 msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG;
267 msg->msg[3] = ana_bcast_type;
268 msg->msg[4] = ana_freq >> 8;
269 msg->msg[5] = ana_freq & 0xff;
270 msg->msg[6] = bcast_system;
273 static inline void cec_msg_record_on_plug(struct cec_msg *msg,
277 msg->msg[1] = CEC_MSG_RECORD_ON;
278 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
282 static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
286 msg->msg[1] = CEC_MSG_RECORD_ON;
287 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR;
288 msg->msg[3] = phys_addr >> 8;
289 msg->msg[4] = phys_addr & 0xff;
292 static inline void cec_msg_record_on(struct cec_msg *msg,
294 const struct cec_op_record_src *rec_src)
296 switch (rec_src->type) {
297 case CEC_OP_RECORD_SRC_OWN:
298 cec_msg_record_on_own(msg);
300 case CEC_OP_RECORD_SRC_DIGITAL:
301 cec_msg_record_on_digital(msg, &rec_src->digital);
303 case CEC_OP_RECORD_SRC_ANALOG:
304 cec_msg_record_on_analog(msg,
305 rec_src->analog.ana_bcast_type,
306 rec_src->analog.ana_freq,
307 rec_src->analog.bcast_system);
309 case CEC_OP_RECORD_SRC_EXT_PLUG:
310 cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
312 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
313 cec_msg_record_on_phys_addr(msg,
314 rec_src->ext_phys_addr.phys_addr);
317 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
320 static inline void cec_ops_record_on(const struct cec_msg *msg,
321 struct cec_op_record_src *rec_src)
323 rec_src->type = msg->msg[2];
324 switch (rec_src->type) {
325 case CEC_OP_RECORD_SRC_OWN:
327 case CEC_OP_RECORD_SRC_DIGITAL:
328 cec_get_digital_service_id(msg->msg + 3, &rec_src->digital);
330 case CEC_OP_RECORD_SRC_ANALOG:
331 rec_src->analog.ana_bcast_type = msg->msg[3];
332 rec_src->analog.ana_freq =
333 (msg->msg[4] << 8) | msg->msg[5];
334 rec_src->analog.bcast_system = msg->msg[6];
336 case CEC_OP_RECORD_SRC_EXT_PLUG:
337 rec_src->ext_plug.plug = msg->msg[3];
339 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
340 rec_src->ext_phys_addr.phys_addr =
341 (msg->msg[3] << 8) | msg->msg[4];
346 static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
349 msg->msg[1] = CEC_MSG_RECORD_STATUS;
350 msg->msg[2] = rec_status;
353 static inline void cec_ops_record_status(const struct cec_msg *msg,
356 *rec_status = msg->msg[2];
359 static inline void cec_msg_record_tv_screen(struct cec_msg *msg,
363 msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
364 msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
368 /* Timer Programming Feature */
369 static inline void cec_msg_timer_status(struct cec_msg *msg,
370 __u8 timer_overlap_warning,
378 msg->msg[1] = CEC_MSG_TIMER_STATUS;
379 msg->msg[2] = (timer_overlap_warning << 7) |
381 (prog_info ? 0x10 : 0) |
382 (prog_info ? prog_info : prog_error);
383 if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
384 prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
385 prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
387 msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
388 msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
392 static inline void cec_ops_timer_status(const struct cec_msg *msg,
393 __u8 *timer_overlap_warning,
400 *timer_overlap_warning = msg->msg[2] >> 7;
401 *media_info = (msg->msg[2] >> 5) & 3;
402 if (msg->msg[2] & 0x10) {
403 *prog_info = msg->msg[2] & 0xf;
407 *prog_error = msg->msg[2] & 0xf;
409 if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
410 *prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
411 *prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
412 *duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf);
413 *duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
415 *duration_hr = *duration_min = 0;
419 static inline void cec_msg_timer_cleared_status(struct cec_msg *msg,
420 __u8 timer_cleared_status)
423 msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
424 msg->msg[2] = timer_cleared_status;
427 static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg,
428 __u8 *timer_cleared_status)
430 *timer_cleared_status = msg->msg[2];
433 static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg,
447 msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
450 /* Hours and minutes are in BCD format */
451 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
452 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
453 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
454 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
455 msg->msg[8] = recording_seq;
456 msg->msg[9] = ana_bcast_type;
457 msg->msg[10] = ana_freq >> 8;
458 msg->msg[11] = ana_freq & 0xff;
459 msg->msg[12] = bcast_system;
460 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
463 static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
471 __u8 *ana_bcast_type,
476 *month = msg->msg[3];
477 /* Hours and minutes are in BCD format */
478 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
479 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
480 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
481 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
482 *recording_seq = msg->msg[8];
483 *ana_bcast_type = msg->msg[9];
484 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
485 *bcast_system = msg->msg[12];
488 static inline void cec_msg_clear_digital_timer(struct cec_msg *msg,
497 const struct cec_op_digital_service_id *digital)
500 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
501 msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
504 /* Hours and minutes are in BCD format */
505 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
506 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
507 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
508 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
509 msg->msg[8] = recording_seq;
510 cec_set_digital_service_id(msg->msg + 9, digital);
513 static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg,
521 struct cec_op_digital_service_id *digital)
524 *month = msg->msg[3];
525 /* Hours and minutes are in BCD format */
526 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
527 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
528 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
529 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
530 *recording_seq = msg->msg[8];
531 cec_get_digital_service_id(msg->msg + 9, digital);
534 static inline void cec_msg_clear_ext_timer(struct cec_msg *msg,
548 msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
551 /* Hours and minutes are in BCD format */
552 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
553 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
554 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
555 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
556 msg->msg[8] = recording_seq;
557 msg->msg[9] = ext_src_spec;
559 msg->msg[11] = phys_addr >> 8;
560 msg->msg[12] = phys_addr & 0xff;
561 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
564 static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg,
577 *month = msg->msg[3];
578 /* Hours and minutes are in BCD format */
579 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
580 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
581 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
582 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
583 *recording_seq = msg->msg[8];
584 *ext_src_spec = msg->msg[9];
585 *plug = msg->msg[10];
586 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
589 static inline void cec_msg_set_analogue_timer(struct cec_msg *msg,
603 msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
606 /* Hours and minutes are in BCD format */
607 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
608 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
609 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
610 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
611 msg->msg[8] = recording_seq;
612 msg->msg[9] = ana_bcast_type;
613 msg->msg[10] = ana_freq >> 8;
614 msg->msg[11] = ana_freq & 0xff;
615 msg->msg[12] = bcast_system;
616 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
619 static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg,
627 __u8 *ana_bcast_type,
632 *month = msg->msg[3];
633 /* Hours and minutes are in BCD format */
634 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
635 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
636 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
637 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
638 *recording_seq = msg->msg[8];
639 *ana_bcast_type = msg->msg[9];
640 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
641 *bcast_system = msg->msg[12];
644 static inline void cec_msg_set_digital_timer(struct cec_msg *msg,
653 const struct cec_op_digital_service_id *digital)
656 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
657 msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
660 /* Hours and minutes are in BCD format */
661 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
662 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
663 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
664 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
665 msg->msg[8] = recording_seq;
666 cec_set_digital_service_id(msg->msg + 9, digital);
669 static inline void cec_ops_set_digital_timer(const struct cec_msg *msg,
677 struct cec_op_digital_service_id *digital)
680 *month = msg->msg[3];
681 /* Hours and minutes are in BCD format */
682 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
683 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
684 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
685 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
686 *recording_seq = msg->msg[8];
687 cec_get_digital_service_id(msg->msg + 9, digital);
690 static inline void cec_msg_set_ext_timer(struct cec_msg *msg,
704 msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
707 /* Hours and minutes are in BCD format */
708 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
709 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
710 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
711 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
712 msg->msg[8] = recording_seq;
713 msg->msg[9] = ext_src_spec;
715 msg->msg[11] = phys_addr >> 8;
716 msg->msg[12] = phys_addr & 0xff;
717 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
720 static inline void cec_ops_set_ext_timer(const struct cec_msg *msg,
733 *month = msg->msg[3];
734 /* Hours and minutes are in BCD format */
735 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
736 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
737 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
738 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
739 *recording_seq = msg->msg[8];
740 *ext_src_spec = msg->msg[9];
741 *plug = msg->msg[10];
742 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
745 static inline void cec_msg_set_timer_program_title(struct cec_msg *msg,
746 const char *prog_title)
748 unsigned int len = strlen(prog_title);
753 msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
754 memcpy(msg->msg + 2, prog_title, len);
757 static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg,
760 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
764 memcpy(prog_title, msg->msg + 2, len);
765 prog_title[len] = '\0';
768 /* System Information Feature */
769 static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
772 msg->msg[1] = CEC_MSG_CEC_VERSION;
773 msg->msg[2] = cec_version;
776 static inline void cec_ops_cec_version(const struct cec_msg *msg,
779 *cec_version = msg->msg[2];
782 static inline void cec_msg_get_cec_version(struct cec_msg *msg,
786 msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
787 msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
790 static inline void cec_msg_report_physical_addr(struct cec_msg *msg,
791 __u16 phys_addr, __u8 prim_devtype)
794 msg->msg[0] |= 0xf; /* broadcast */
795 msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR;
796 msg->msg[2] = phys_addr >> 8;
797 msg->msg[3] = phys_addr & 0xff;
798 msg->msg[4] = prim_devtype;
801 static inline void cec_ops_report_physical_addr(const struct cec_msg *msg,
802 __u16 *phys_addr, __u8 *prim_devtype)
804 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
805 *prim_devtype = msg->msg[4];
808 static inline void cec_msg_give_physical_addr(struct cec_msg *msg,
812 msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
813 msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
816 static inline void cec_msg_set_menu_language(struct cec_msg *msg,
817 const char *language)
820 msg->msg[0] |= 0xf; /* broadcast */
821 msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE;
822 memcpy(msg->msg + 2, language, 3);
825 static inline void cec_ops_set_menu_language(const struct cec_msg *msg,
828 memcpy(language, msg->msg + 2, 3);
832 static inline void cec_msg_get_menu_language(struct cec_msg *msg,
836 msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
837 msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
841 * Assumes a single RC Profile byte and a single Device Features byte,
842 * i.e. no extended features are supported by this helper function.
844 * As of CEC 2.0 no extended features are defined, should those be added
845 * in the future, then this function needs to be adapted or a new function
848 static inline void cec_msg_report_features(struct cec_msg *msg,
849 __u8 cec_version, __u8 all_device_types,
850 __u8 rc_profile, __u8 dev_features)
853 msg->msg[0] |= 0xf; /* broadcast */
854 msg->msg[1] = CEC_MSG_REPORT_FEATURES;
855 msg->msg[2] = cec_version;
856 msg->msg[3] = all_device_types;
857 msg->msg[4] = rc_profile;
858 msg->msg[5] = dev_features;
861 static inline void cec_ops_report_features(const struct cec_msg *msg,
862 __u8 *cec_version, __u8 *all_device_types,
863 const __u8 **rc_profile, const __u8 **dev_features)
865 const __u8 *p = &msg->msg[4];
867 *cec_version = msg->msg[2];
868 *all_device_types = msg->msg[3];
870 *dev_features = NULL;
871 while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
873 if (!(*p & CEC_OP_FEAT_EXT)) {
874 *dev_features = p + 1;
875 while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
878 if (*p & CEC_OP_FEAT_EXT)
879 *rc_profile = *dev_features = NULL;
882 static inline void cec_msg_give_features(struct cec_msg *msg,
886 msg->msg[1] = CEC_MSG_GIVE_FEATURES;
887 msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
890 /* Deck Control Feature */
891 static inline void cec_msg_deck_control(struct cec_msg *msg,
892 __u8 deck_control_mode)
895 msg->msg[1] = CEC_MSG_DECK_CONTROL;
896 msg->msg[2] = deck_control_mode;
899 static inline void cec_ops_deck_control(const struct cec_msg *msg,
900 __u8 *deck_control_mode)
902 *deck_control_mode = msg->msg[2];
905 static inline void cec_msg_deck_status(struct cec_msg *msg,
909 msg->msg[1] = CEC_MSG_DECK_STATUS;
910 msg->msg[2] = deck_info;
913 static inline void cec_ops_deck_status(const struct cec_msg *msg,
916 *deck_info = msg->msg[2];
919 static inline void cec_msg_give_deck_status(struct cec_msg *msg,
924 msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
925 msg->msg[2] = status_req;
926 msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
927 CEC_MSG_DECK_STATUS : 0;
930 static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
933 *status_req = msg->msg[2];
936 static inline void cec_msg_play(struct cec_msg *msg,
940 msg->msg[1] = CEC_MSG_PLAY;
941 msg->msg[2] = play_mode;
944 static inline void cec_ops_play(const struct cec_msg *msg,
947 *play_mode = msg->msg[2];
951 /* Tuner Control Feature */
952 struct cec_op_tuner_device_info {
954 __u8 tuner_display_info;
957 struct cec_op_digital_service_id digital;
966 static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
968 __u8 tuner_display_info,
974 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
975 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
976 msg->msg[3] = ana_bcast_type;
977 msg->msg[4] = ana_freq >> 8;
978 msg->msg[5] = ana_freq & 0xff;
979 msg->msg[6] = bcast_system;
982 static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg,
983 __u8 rec_flag, __u8 tuner_display_info,
984 const struct cec_op_digital_service_id *digital)
987 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
988 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
989 cec_set_digital_service_id(msg->msg + 3, digital);
992 static inline void cec_msg_tuner_device_status(struct cec_msg *msg,
993 const struct cec_op_tuner_device_info *tuner_dev_info)
995 if (tuner_dev_info->is_analog)
996 cec_msg_tuner_device_status_analog(msg,
997 tuner_dev_info->rec_flag,
998 tuner_dev_info->tuner_display_info,
999 tuner_dev_info->analog.ana_bcast_type,
1000 tuner_dev_info->analog.ana_freq,
1001 tuner_dev_info->analog.bcast_system);
1003 cec_msg_tuner_device_status_digital(msg,
1004 tuner_dev_info->rec_flag,
1005 tuner_dev_info->tuner_display_info,
1006 &tuner_dev_info->digital);
1009 static inline void cec_ops_tuner_device_status(const struct cec_msg *msg,
1010 struct cec_op_tuner_device_info *tuner_dev_info)
1012 tuner_dev_info->is_analog = msg->len < 10;
1013 tuner_dev_info->rec_flag = msg->msg[2] >> 7;
1014 tuner_dev_info->tuner_display_info = msg->msg[2] & 0x7f;
1015 if (tuner_dev_info->is_analog) {
1016 tuner_dev_info->analog.ana_bcast_type = msg->msg[3];
1017 tuner_dev_info->analog.ana_freq = (msg->msg[4] << 8) | msg->msg[5];
1018 tuner_dev_info->analog.bcast_system = msg->msg[6];
1021 cec_get_digital_service_id(msg->msg + 3, &tuner_dev_info->digital);
1024 static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg,
1029 msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS;
1030 msg->msg[2] = status_req;
1031 msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
1032 CEC_MSG_TUNER_DEVICE_STATUS : 0;
1035 static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg,
1038 *status_req = msg->msg[2];
1041 static inline void cec_msg_select_analogue_service(struct cec_msg *msg,
1042 __u8 ana_bcast_type,
1047 msg->msg[1] = CEC_MSG_SELECT_ANALOGUE_SERVICE;
1048 msg->msg[2] = ana_bcast_type;
1049 msg->msg[3] = ana_freq >> 8;
1050 msg->msg[4] = ana_freq & 0xff;
1051 msg->msg[5] = bcast_system;
1054 static inline void cec_ops_select_analogue_service(const struct cec_msg *msg,
1055 __u8 *ana_bcast_type,
1059 *ana_bcast_type = msg->msg[2];
1060 *ana_freq = (msg->msg[3] << 8) | msg->msg[4];
1061 *bcast_system = msg->msg[5];
1064 static inline void cec_msg_select_digital_service(struct cec_msg *msg,
1065 const struct cec_op_digital_service_id *digital)
1068 msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE;
1069 cec_set_digital_service_id(msg->msg + 2, digital);
1072 static inline void cec_ops_select_digital_service(const struct cec_msg *msg,
1073 struct cec_op_digital_service_id *digital)
1075 cec_get_digital_service_id(msg->msg + 2, digital);
1078 static inline void cec_msg_tuner_step_decrement(struct cec_msg *msg)
1081 msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;
1084 static inline void cec_msg_tuner_step_increment(struct cec_msg *msg)
1087 msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT;
1091 /* Vendor Specific Commands Feature */
1092 static inline void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id)
1095 msg->msg[0] |= 0xf; /* broadcast */
1096 msg->msg[1] = CEC_MSG_DEVICE_VENDOR_ID;
1097 msg->msg[2] = vendor_id >> 16;
1098 msg->msg[3] = (vendor_id >> 8) & 0xff;
1099 msg->msg[4] = vendor_id & 0xff;
1102 static inline void cec_ops_device_vendor_id(const struct cec_msg *msg,
1105 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1108 static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
1112 msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID;
1113 msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
1116 static inline void cec_msg_vendor_command(struct cec_msg *msg,
1117 __u8 size, const __u8 *vendor_cmd)
1121 msg->len = 2 + size;
1122 msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
1123 memcpy(msg->msg + 2, vendor_cmd, size);
1126 static inline void cec_ops_vendor_command(const struct cec_msg *msg,
1128 const __u8 **vendor_cmd)
1130 *size = msg->len - 2;
1134 *vendor_cmd = msg->msg + 2;
1137 static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg,
1138 __u32 vendor_id, __u8 size,
1139 const __u8 *vendor_cmd)
1143 msg->len = 5 + size;
1144 msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;
1145 msg->msg[2] = vendor_id >> 16;
1146 msg->msg[3] = (vendor_id >> 8) & 0xff;
1147 msg->msg[4] = vendor_id & 0xff;
1148 memcpy(msg->msg + 5, vendor_cmd, size);
1151 static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
1152 __u32 *vendor_id, __u8 *size,
1153 const __u8 **vendor_cmd)
1155 *size = msg->len - 5;
1159 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1160 *vendor_cmd = msg->msg + 5;
1163 static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
1165 const __u8 *rc_code)
1169 msg->len = 2 + size;
1170 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
1171 memcpy(msg->msg + 2, rc_code, size);
1174 static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
1176 const __u8 **rc_code)
1178 *size = msg->len - 2;
1182 *rc_code = msg->msg + 2;
1185 static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
1188 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP;
1192 /* OSD Display Feature */
1193 static inline void cec_msg_set_osd_string(struct cec_msg *msg,
1197 unsigned int len = strlen(osd);
1202 msg->msg[1] = CEC_MSG_SET_OSD_STRING;
1203 msg->msg[2] = disp_ctl;
1204 memcpy(msg->msg + 3, osd, len);
1207 static inline void cec_ops_set_osd_string(const struct cec_msg *msg,
1211 unsigned int len = msg->len > 3 ? msg->len - 3 : 0;
1213 *disp_ctl = msg->msg[2];
1216 memcpy(osd, msg->msg + 3, len);
1221 /* Device OSD Transfer Feature */
1222 static inline void cec_msg_set_osd_name(struct cec_msg *msg, const char *name)
1224 unsigned int len = strlen(name);
1229 msg->msg[1] = CEC_MSG_SET_OSD_NAME;
1230 memcpy(msg->msg + 2, name, len);
1233 static inline void cec_ops_set_osd_name(const struct cec_msg *msg,
1236 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
1240 memcpy(name, msg->msg + 2, len);
1244 static inline void cec_msg_give_osd_name(struct cec_msg *msg,
1248 msg->msg[1] = CEC_MSG_GIVE_OSD_NAME;
1249 msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0;
1253 /* Device Menu Control Feature */
1254 static inline void cec_msg_menu_status(struct cec_msg *msg,
1258 msg->msg[1] = CEC_MSG_MENU_STATUS;
1259 msg->msg[2] = menu_state;
1262 static inline void cec_ops_menu_status(const struct cec_msg *msg,
1265 *menu_state = msg->msg[2];
1268 static inline void cec_msg_menu_request(struct cec_msg *msg,
1273 msg->msg[1] = CEC_MSG_MENU_REQUEST;
1274 msg->msg[2] = menu_req;
1275 msg->reply = reply ? CEC_MSG_MENU_STATUS : 0;
1278 static inline void cec_ops_menu_request(const struct cec_msg *msg,
1281 *menu_req = msg->msg[2];
1284 struct cec_op_ui_command {
1288 struct cec_op_channel_data channel_identifier;
1289 __u8 ui_broadcast_type;
1290 __u8 ui_sound_presentation_control;
1292 __u8 ui_function_media;
1293 __u8 ui_function_select_av_input;
1294 __u8 ui_function_select_audio_input;
1298 static inline void cec_msg_user_control_pressed(struct cec_msg *msg,
1299 const struct cec_op_ui_command *ui_cmd)
1302 msg->msg[1] = CEC_MSG_USER_CONTROL_PRESSED;
1303 msg->msg[2] = ui_cmd->ui_cmd;
1304 if (!ui_cmd->has_opt_arg)
1306 switch (ui_cmd->ui_cmd) {
1307 case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
1308 case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
1309 case CEC_OP_UI_CMD_PLAY_FUNCTION:
1310 case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
1311 case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
1312 case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
1313 /* The optional operand is one byte for all these ui commands */
1315 msg->msg[3] = ui_cmd->play_mode;
1317 case CEC_OP_UI_CMD_TUNE_FUNCTION:
1319 msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
1320 (ui_cmd->channel_identifier.major >> 8);
1321 msg->msg[4] = ui_cmd->channel_identifier.major & 0xff;
1322 msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
1323 msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
1328 static inline void cec_ops_user_control_pressed(const struct cec_msg *msg,
1329 struct cec_op_ui_command *ui_cmd)
1331 ui_cmd->ui_cmd = msg->msg[2];
1332 ui_cmd->has_opt_arg = 0;
1335 switch (ui_cmd->ui_cmd) {
1336 case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
1337 case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
1338 case CEC_OP_UI_CMD_PLAY_FUNCTION:
1339 case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
1340 case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
1341 case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
1342 /* The optional operand is one byte for all these ui commands */
1343 ui_cmd->play_mode = msg->msg[3];
1344 ui_cmd->has_opt_arg = 1;
1346 case CEC_OP_UI_CMD_TUNE_FUNCTION:
1349 ui_cmd->has_opt_arg = 1;
1350 ui_cmd->channel_identifier.channel_number_fmt = msg->msg[3] >> 2;
1351 ui_cmd->channel_identifier.major = ((msg->msg[3] & 3) << 6) | msg->msg[4];
1352 ui_cmd->channel_identifier.minor = (msg->msg[5] << 8) | msg->msg[6];
1357 static inline void cec_msg_user_control_released(struct cec_msg *msg)
1360 msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED;
1363 /* Remote Control Passthrough Feature */
1365 /* Power Status Feature */
1366 static inline void cec_msg_report_power_status(struct cec_msg *msg,
1370 msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS;
1371 msg->msg[2] = pwr_state;
1374 static inline void cec_ops_report_power_status(const struct cec_msg *msg,
1377 *pwr_state = msg->msg[2];
1380 static inline void cec_msg_give_device_power_status(struct cec_msg *msg,
1384 msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS;
1385 msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0;
1388 /* General Protocol Messages */
1389 static inline void cec_msg_feature_abort(struct cec_msg *msg,
1390 __u8 abort_msg, __u8 reason)
1393 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1394 msg->msg[2] = abort_msg;
1395 msg->msg[3] = reason;
1398 static inline void cec_ops_feature_abort(const struct cec_msg *msg,
1399 __u8 *abort_msg, __u8 *reason)
1401 *abort_msg = msg->msg[2];
1402 *reason = msg->msg[3];
1405 /* This changes the current message into a feature abort message */
1406 static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1408 cec_msg_set_reply_to(msg, msg);
1410 msg->msg[2] = msg->msg[1];
1411 msg->msg[3] = reason;
1412 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1415 static inline void cec_msg_abort(struct cec_msg *msg)
1418 msg->msg[1] = CEC_MSG_ABORT;
1422 /* System Audio Control Feature */
1423 static inline void cec_msg_report_audio_status(struct cec_msg *msg,
1424 __u8 aud_mute_status,
1425 __u8 aud_vol_status)
1428 msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS;
1429 msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f);
1432 static inline void cec_ops_report_audio_status(const struct cec_msg *msg,
1433 __u8 *aud_mute_status,
1434 __u8 *aud_vol_status)
1436 *aud_mute_status = msg->msg[2] >> 7;
1437 *aud_vol_status = msg->msg[2] & 0x7f;
1440 static inline void cec_msg_give_audio_status(struct cec_msg *msg,
1444 msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS;
1445 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0;
1448 static inline void cec_msg_set_system_audio_mode(struct cec_msg *msg,
1449 __u8 sys_aud_status)
1452 msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE;
1453 msg->msg[2] = sys_aud_status;
1456 static inline void cec_ops_set_system_audio_mode(const struct cec_msg *msg,
1457 __u8 *sys_aud_status)
1459 *sys_aud_status = msg->msg[2];
1462 static inline void cec_msg_system_audio_mode_request(struct cec_msg *msg,
1466 msg->len = phys_addr == 0xffff ? 2 : 4;
1467 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST;
1468 msg->msg[2] = phys_addr >> 8;
1469 msg->msg[3] = phys_addr & 0xff;
1470 msg->reply = reply ? CEC_MSG_SET_SYSTEM_AUDIO_MODE : 0;
1474 static inline void cec_ops_system_audio_mode_request(const struct cec_msg *msg,
1478 *phys_addr = 0xffff;
1480 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1483 static inline void cec_msg_system_audio_mode_status(struct cec_msg *msg,
1484 __u8 sys_aud_status)
1487 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
1488 msg->msg[2] = sys_aud_status;
1491 static inline void cec_ops_system_audio_mode_status(const struct cec_msg *msg,
1492 __u8 *sys_aud_status)
1494 *sys_aud_status = msg->msg[2];
1497 static inline void cec_msg_give_system_audio_mode_status(struct cec_msg *msg,
1501 msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;
1502 msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;
1505 static inline void cec_msg_report_short_audio_descriptor(struct cec_msg *msg,
1506 __u8 num_descriptors,
1507 const __u32 *descriptors)
1511 if (num_descriptors > 4)
1512 num_descriptors = 4;
1513 msg->len = 2 + num_descriptors * 3;
1514 msg->msg[1] = CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR;
1515 for (i = 0; i < num_descriptors; i++) {
1516 msg->msg[2 + i * 3] = (descriptors[i] >> 16) & 0xff;
1517 msg->msg[3 + i * 3] = (descriptors[i] >> 8) & 0xff;
1518 msg->msg[4 + i * 3] = descriptors[i] & 0xff;
1522 static inline void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg,
1523 __u8 *num_descriptors,
1528 *num_descriptors = (msg->len - 2) / 3;
1529 if (*num_descriptors > 4)
1530 *num_descriptors = 4;
1531 for (i = 0; i < *num_descriptors; i++)
1532 descriptors[i] = (msg->msg[2 + i * 3] << 16) |
1533 (msg->msg[3 + i * 3] << 8) |
1534 msg->msg[4 + i * 3];
1537 static inline void cec_msg_request_short_audio_descriptor(struct cec_msg *msg,
1539 __u8 num_descriptors,
1540 const __u8 *audio_format_id,
1541 const __u8 *audio_format_code)
1545 if (num_descriptors > 4)
1546 num_descriptors = 4;
1547 msg->len = 2 + num_descriptors;
1548 msg->msg[1] = CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR;
1549 msg->reply = reply ? CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR : 0;
1550 for (i = 0; i < num_descriptors; i++)
1551 msg->msg[2 + i] = (audio_format_id[i] << 6) |
1552 (audio_format_code[i] & 0x3f);
1555 static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg *msg,
1556 __u8 *num_descriptors,
1557 __u8 *audio_format_id,
1558 __u8 *audio_format_code)
1562 *num_descriptors = msg->len - 2;
1563 if (*num_descriptors > 4)
1564 *num_descriptors = 4;
1565 for (i = 0; i < *num_descriptors; i++) {
1566 audio_format_id[i] = msg->msg[2 + i] >> 6;
1567 audio_format_code[i] = msg->msg[2 + i] & 0x3f;
1572 /* Audio Rate Control Feature */
1573 static inline void cec_msg_set_audio_rate(struct cec_msg *msg,
1577 msg->msg[1] = CEC_MSG_SET_AUDIO_RATE;
1578 msg->msg[2] = audio_rate;
1581 static inline void cec_ops_set_audio_rate(const struct cec_msg *msg,
1584 *audio_rate = msg->msg[2];
1588 /* Audio Return Channel Control Feature */
1589 static inline void cec_msg_report_arc_initiated(struct cec_msg *msg)
1592 msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED;
1595 static inline void cec_msg_initiate_arc(struct cec_msg *msg,
1599 msg->msg[1] = CEC_MSG_INITIATE_ARC;
1600 msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0;
1603 static inline void cec_msg_request_arc_initiation(struct cec_msg *msg,
1607 msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION;
1608 msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0;
1611 static inline void cec_msg_report_arc_terminated(struct cec_msg *msg)
1614 msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED;
1617 static inline void cec_msg_terminate_arc(struct cec_msg *msg,
1621 msg->msg[1] = CEC_MSG_TERMINATE_ARC;
1622 msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0;
1625 static inline void cec_msg_request_arc_termination(struct cec_msg *msg,
1629 msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION;
1630 msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0;
1634 /* Dynamic Audio Lipsync Feature */
1635 /* Only for CEC 2.0 and up */
1636 static inline void cec_msg_report_current_latency(struct cec_msg *msg,
1639 __u8 low_latency_mode,
1640 __u8 audio_out_compensated,
1641 __u8 audio_out_delay)
1644 msg->msg[0] |= 0xf; /* broadcast */
1645 msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY;
1646 msg->msg[2] = phys_addr >> 8;
1647 msg->msg[3] = phys_addr & 0xff;
1648 msg->msg[4] = video_latency;
1649 msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated;
1650 if (audio_out_compensated == 3)
1651 msg->msg[msg->len++] = audio_out_delay;
1654 static inline void cec_ops_report_current_latency(const struct cec_msg *msg,
1656 __u8 *video_latency,
1657 __u8 *low_latency_mode,
1658 __u8 *audio_out_compensated,
1659 __u8 *audio_out_delay)
1661 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1662 *video_latency = msg->msg[4];
1663 *low_latency_mode = (msg->msg[5] >> 2) & 1;
1664 *audio_out_compensated = msg->msg[5] & 3;
1665 if (*audio_out_compensated == 3 && msg->len >= 7)
1666 *audio_out_delay = msg->msg[6];
1668 *audio_out_delay = 0;
1671 static inline void cec_msg_request_current_latency(struct cec_msg *msg,
1676 msg->msg[0] |= 0xf; /* broadcast */
1677 msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY;
1678 msg->msg[2] = phys_addr >> 8;
1679 msg->msg[3] = phys_addr & 0xff;
1680 msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0;
1683 static inline void cec_ops_request_current_latency(const struct cec_msg *msg,
1686 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1690 /* Capability Discovery and Control Feature */
1691 static inline void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg,
1696 msg->msg[0] |= 0xf; /* broadcast */
1697 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1698 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1699 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1700 msg->msg[5] = phys_addr1 >> 8;
1701 msg->msg[6] = phys_addr1 & 0xff;
1702 msg->msg[7] = phys_addr2 >> 8;
1703 msg->msg[8] = phys_addr2 & 0xff;
1706 static inline void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg,
1711 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1712 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1713 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1716 static inline void cec_msg_cdc_hec_report_state(struct cec_msg *msg,
1717 __u16 target_phys_addr,
1718 __u8 hec_func_state,
1719 __u8 host_func_state,
1720 __u8 enc_func_state,
1725 msg->len = has_field ? 10 : 8;
1726 msg->msg[0] |= 0xf; /* broadcast */
1727 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1728 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1729 msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE;
1730 msg->msg[5] = target_phys_addr >> 8;
1731 msg->msg[6] = target_phys_addr & 0xff;
1732 msg->msg[7] = (hec_func_state << 6) |
1733 (host_func_state << 4) |
1734 (enc_func_state << 2) |
1737 msg->msg[8] = hec_field >> 8;
1738 msg->msg[9] = hec_field & 0xff;
1742 static inline void cec_ops_cdc_hec_report_state(const struct cec_msg *msg,
1744 __u16 *target_phys_addr,
1745 __u8 *hec_func_state,
1746 __u8 *host_func_state,
1747 __u8 *enc_func_state,
1752 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1753 *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6];
1754 *hec_func_state = msg->msg[7] >> 6;
1755 *host_func_state = (msg->msg[7] >> 4) & 3;
1756 *enc_func_state = (msg->msg[7] >> 4) & 3;
1757 *cdc_errcode = msg->msg[7] & 3;
1758 *has_field = msg->len >= 10;
1759 *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0;
1762 static inline void cec_msg_cdc_hec_set_state(struct cec_msg *msg,
1771 msg->msg[0] |= 0xf; /* broadcast */
1772 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1773 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1774 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1775 msg->msg[5] = phys_addr1 >> 8;
1776 msg->msg[6] = phys_addr1 & 0xff;
1777 msg->msg[7] = phys_addr2 >> 8;
1778 msg->msg[8] = phys_addr2 & 0xff;
1779 msg->msg[9] = hec_set_state;
1780 if (phys_addr3 != CEC_PHYS_ADDR_INVALID) {
1781 msg->msg[msg->len++] = phys_addr3 >> 8;
1782 msg->msg[msg->len++] = phys_addr3 & 0xff;
1783 if (phys_addr4 != CEC_PHYS_ADDR_INVALID) {
1784 msg->msg[msg->len++] = phys_addr4 >> 8;
1785 msg->msg[msg->len++] = phys_addr4 & 0xff;
1786 if (phys_addr5 != CEC_PHYS_ADDR_INVALID) {
1787 msg->msg[msg->len++] = phys_addr5 >> 8;
1788 msg->msg[msg->len++] = phys_addr5 & 0xff;
1794 static inline void cec_ops_cdc_hec_set_state(const struct cec_msg *msg,
1798 __u8 *hec_set_state,
1803 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1804 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1805 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1806 *hec_set_state = msg->msg[9];
1807 *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID;
1809 *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11];
1811 *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13];
1813 *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15];
1816 static inline void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg,
1821 msg->msg[0] |= 0xf; /* broadcast */
1822 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1823 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1824 msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT;
1825 msg->msg[5] = phys_addr1 >> 8;
1826 msg->msg[6] = phys_addr1 & 0xff;
1827 msg->msg[7] = hec_set_state;
1830 static inline void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg,
1833 __u8 *hec_set_state)
1835 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1836 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1837 *hec_set_state = msg->msg[7];
1840 static inline void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg,
1846 msg->msg[0] |= 0xf; /* broadcast */
1847 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1848 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1849 msg->msg[4] = CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION;
1850 msg->msg[5] = phys_addr1 >> 8;
1851 msg->msg[6] = phys_addr1 & 0xff;
1852 msg->msg[7] = phys_addr2 >> 8;
1853 msg->msg[8] = phys_addr2 & 0xff;
1854 msg->msg[9] = phys_addr3 >> 8;
1855 msg->msg[10] = phys_addr3 & 0xff;
1858 static inline void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg,
1864 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1865 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1866 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1867 *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10];
1870 static inline void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg)
1873 msg->msg[0] |= 0xf; /* broadcast */
1874 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1875 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1876 msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE;
1879 static inline void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg,
1882 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1885 static inline void cec_msg_cdc_hec_discover(struct cec_msg *msg)
1888 msg->msg[0] |= 0xf; /* broadcast */
1889 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1890 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1891 msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER;
1894 static inline void cec_ops_cdc_hec_discover(const struct cec_msg *msg,
1897 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1900 static inline void cec_msg_cdc_hpd_set_state(struct cec_msg *msg,
1905 msg->msg[0] |= 0xf; /* broadcast */
1906 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1907 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1908 msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE;
1909 msg->msg[5] = (input_port << 4) | hpd_state;
1912 static inline void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg,
1917 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1918 *input_port = msg->msg[5] >> 4;
1919 *hpd_state = msg->msg[5] & 0xf;
1922 static inline void cec_msg_cdc_hpd_report_state(struct cec_msg *msg,
1927 msg->msg[0] |= 0xf; /* broadcast */
1928 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1929 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1930 msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE;
1931 msg->msg[5] = (hpd_state << 4) | hpd_error;
1934 static inline void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg,
1939 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1940 *hpd_state = msg->msg[5] >> 4;
1941 *hpd_error = msg->msg[5] & 0xf;