1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2/*
3 * cec - HDMI Consumer Electronics Control message functions
4 *
5 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
6 */
7
8#ifndef _CEC_UAPI_FUNCS_H
9#define _CEC_UAPI_FUNCS_H
10
11#include <linux/cec.h>
12
13/* One Touch Play Feature */
14static __inline__ void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr)
15{
16 msg->len = 4;
17 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
18 msg->msg[1] = CEC_MSG_ACTIVE_SOURCE;
19 msg->msg[2] = phys_addr >> 8;
20 msg->msg[3] = phys_addr & 0xff;
21}
22
23static __inline__ void cec_ops_active_source(const struct cec_msg *msg,
24 __u16 *phys_addr)
25{
26 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
27}
28
29static __inline__ void cec_msg_image_view_on(struct cec_msg *msg)
30{
31 msg->len = 2;
32 msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON;
33}
34
35static __inline__ void cec_msg_text_view_on(struct cec_msg *msg)
36{
37 msg->len = 2;
38 msg->msg[1] = CEC_MSG_TEXT_VIEW_ON;
39}
40
41
42/* Routing Control Feature */
43static __inline__ void cec_msg_inactive_source(struct cec_msg *msg,
44 __u16 phys_addr)
45{
46 msg->len = 4;
47 msg->msg[1] = CEC_MSG_INACTIVE_SOURCE;
48 msg->msg[2] = phys_addr >> 8;
49 msg->msg[3] = phys_addr & 0xff;
50}
51
52static __inline__ void cec_ops_inactive_source(const struct cec_msg *msg,
53 __u16 *phys_addr)
54{
55 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
56}
57
58static __inline__ void cec_msg_request_active_source(struct cec_msg *msg,
59 int reply)
60{
61 msg->len = 2;
62 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
63 msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE;
64 msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0;
65}
66
67static __inline__ void cec_msg_routing_information(struct cec_msg *msg,
68 __u16 phys_addr)
69{
70 msg->len = 4;
71 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
72 msg->msg[1] = CEC_MSG_ROUTING_INFORMATION;
73 msg->msg[2] = phys_addr >> 8;
74 msg->msg[3] = phys_addr & 0xff;
75}
76
77static __inline__ void cec_ops_routing_information(const struct cec_msg *msg,
78 __u16 *phys_addr)
79{
80 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
81}
82
83static __inline__ void cec_msg_routing_change(struct cec_msg *msg,
84 int reply,
85 __u16 orig_phys_addr,
86 __u16 new_phys_addr)
87{
88 msg->len = 6;
89 msg->msg[0] |= CEC_LOG_ADDR_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;
96}
97
98static __inline__ void cec_ops_routing_change(const struct cec_msg *msg,
99 __u16 *orig_phys_addr,
100 __u16 *new_phys_addr)
101{
102 *orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3];
103 *new_phys_addr = (msg->msg[4] << 8) | msg->msg[5];
104}
105
106static __inline__ void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr)
107{
108 msg->len = 4;
109 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
110 msg->msg[1] = CEC_MSG_SET_STREAM_PATH;
111 msg->msg[2] = phys_addr >> 8;
112 msg->msg[3] = phys_addr & 0xff;
113}
114
115static __inline__ void cec_ops_set_stream_path(const struct cec_msg *msg,
116 __u16 *phys_addr)
117{
118 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
119}
120
121
122/* Standby Feature */
123static __inline__ void cec_msg_standby(struct cec_msg *msg)
124{
125 msg->len = 2;
126 msg->msg[1] = CEC_MSG_STANDBY;
127}
128
129
130/* One Touch Record Feature */
131static __inline__ void cec_msg_record_off(struct cec_msg *msg, int reply)
132{
133 msg->len = 2;
134 msg->msg[1] = CEC_MSG_RECORD_OFF;
135 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
136}
137
138struct cec_op_arib_data {
139 __u16 transport_id;
140 __u16 service_id;
141 __u16 orig_network_id;
142};
143
144struct cec_op_atsc_data {
145 __u16 transport_id;
146 __u16 program_number;
147};
148
149struct cec_op_dvb_data {
150 __u16 transport_id;
151 __u16 service_id;
152 __u16 orig_network_id;
153};
154
155struct cec_op_channel_data {
156 __u8 channel_number_fmt;
157 __u16 major;
158 __u16 minor;
159};
160
161struct cec_op_digital_service_id {
162 __u8 service_id_method;
163 __u8 dig_bcast_system;
164 union {
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;
169 };
170};
171
172struct cec_op_record_src {
173 __u8 type;
174 union {
175 struct cec_op_digital_service_id digital;
176 struct {
177 __u8 ana_bcast_type;
178 __u16 ana_freq;
179 __u8 bcast_system;
180 } analog;
181 struct {
182 __u8 plug;
183 } ext_plug;
184 struct {
185 __u16 phys_addr;
186 } ext_phys_addr;
187 };
188};
189
190static __inline__ void cec_set_digital_service_id(__u8 *msg,
191 const struct cec_op_digital_service_id *digital)
192{
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;
200 *msg++ = 0;
201 *msg++ = 0;
202 return;
203 }
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;
213 *msg++ = 0;
214 *msg++ = 0;
215 break;
216 default:
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;
223 break;
224 }
225}
226
227static __inline__ void cec_get_digital_service_id(const __u8 *msg,
228 struct cec_op_digital_service_id *digital)
229{
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];
236 return;
237 }
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];
241}
242
243static __inline__ void cec_msg_record_on_own(struct cec_msg *msg)
244{
245 msg->len = 3;
246 msg->msg[1] = CEC_MSG_RECORD_ON;
247 msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
248}
249
250static __inline__ void cec_msg_record_on_digital(struct cec_msg *msg,
251 const struct cec_op_digital_service_id *digital)
252{
253 msg->len = 10;
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);
257}
258
259static __inline__ void cec_msg_record_on_analog(struct cec_msg *msg,
260 __u8 ana_bcast_type,
261 __u16 ana_freq,
262 __u8 bcast_system)
263{
264 msg->len = 7;
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;
271}
272
273static __inline__ void cec_msg_record_on_plug(struct cec_msg *msg,
274 __u8 plug)
275{
276 msg->len = 4;
277 msg->msg[1] = CEC_MSG_RECORD_ON;
278 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
279 msg->msg[3] = plug;
280}
281
282static __inline__ void cec_msg_record_on_phys_addr(struct cec_msg *msg,
283 __u16 phys_addr)
284{
285 msg->len = 5;
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;
290}
291
292static __inline__ void cec_msg_record_on(struct cec_msg *msg,
293 int reply,
294 const struct cec_op_record_src *rec_src)
295{
296 switch (rec_src->type) {
297 case CEC_OP_RECORD_SRC_OWN:
298 cec_msg_record_on_own(msg);
299 break;
300 case CEC_OP_RECORD_SRC_DIGITAL:
301 cec_msg_record_on_digital(msg, &rec_src->digital);
302 break;
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);
308 break;
309 case CEC_OP_RECORD_SRC_EXT_PLUG:
310 cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
311 break;
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);
315 break;
316 }
317 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
318}
319
320static __inline__ void cec_ops_record_on(const struct cec_msg *msg,
321 struct cec_op_record_src *rec_src)
322{
323 rec_src->type = msg->msg[2];
324 switch (rec_src->type) {
325 case CEC_OP_RECORD_SRC_OWN:
326 break;
327 case CEC_OP_RECORD_SRC_DIGITAL:
328 cec_get_digital_service_id(msg->msg + 3, &rec_src->digital);
329 break;
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];
335 break;
336 case CEC_OP_RECORD_SRC_EXT_PLUG:
337 rec_src->ext_plug.plug = msg->msg[3];
338 break;
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];
342 break;
343 }
344}
345
346static __inline__ void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
347{
348 msg->len = 3;
349 msg->msg[1] = CEC_MSG_RECORD_STATUS;
350 msg->msg[2] = rec_status;
351}
352
353static __inline__ void cec_ops_record_status(const struct cec_msg *msg,
354 __u8 *rec_status)
355{
356 *rec_status = msg->msg[2];
357}
358
359static __inline__ void cec_msg_record_tv_screen(struct cec_msg *msg,
360 int reply)
361{
362 msg->len = 2;
363 msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
364 msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
365}
366
367
368/* Timer Programming Feature */
369static __inline__ void cec_msg_timer_status(struct cec_msg *msg,
370 __u8 timer_overlap_warning,
371 __u8 media_info,
372 __u8 prog_info,
373 __u8 prog_error,
374 __u8 duration_hr,
375 __u8 duration_min)
376{
377 msg->len = 3;
378 msg->msg[1] = CEC_MSG_TIMER_STATUS;
379 msg->msg[2] = (timer_overlap_warning << 7) |
380 (media_info << 5) |
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) {
386 msg->len += 2;
387 msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
388 msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
389 }
390}
391
392static __inline__ void cec_ops_timer_status(const struct cec_msg *msg,
393 __u8 *timer_overlap_warning,
394 __u8 *media_info,
395 __u8 *prog_info,
396 __u8 *prog_error,
397 __u8 *duration_hr,
398 __u8 *duration_min)
399{
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;
404 *prog_error = 0;
405 } else {
406 *prog_info = 0;
407 *prog_error = msg->msg[2] & 0xf;
408 }
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);
414 } else {
415 *duration_hr = *duration_min = 0;
416 }
417}
418
419static __inline__ void cec_msg_timer_cleared_status(struct cec_msg *msg,
420 __u8 timer_cleared_status)
421{
422 msg->len = 3;
423 msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
424 msg->msg[2] = timer_cleared_status;
425}
426
427static __inline__ void cec_ops_timer_cleared_status(const struct cec_msg *msg,
428 __u8 *timer_cleared_status)
429{
430 *timer_cleared_status = msg->msg[2];
431}
432
433static __inline__ void cec_msg_clear_analogue_timer(struct cec_msg *msg,
434 int reply,
435 __u8 day,
436 __u8 month,
437 __u8 start_hr,
438 __u8 start_min,
439 __u8 duration_hr,
440 __u8 duration_min,
441 __u8 recording_seq,
442 __u8 ana_bcast_type,
443 __u16 ana_freq,
444 __u8 bcast_system)
445{
446 msg->len = 13;
447 msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
448 msg->msg[2] = day;
449 msg->msg[3] = month;
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;
461}
462
463static __inline__ void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
464 __u8 *day,
465 __u8 *month,
466 __u8 *start_hr,
467 __u8 *start_min,
468 __u8 *duration_hr,
469 __u8 *duration_min,
470 __u8 *recording_seq,
471 __u8 *ana_bcast_type,
472 __u16 *ana_freq,
473 __u8 *bcast_system)
474{
475 *day = msg->msg[2];
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];
486}
487
488static __inline__ void cec_msg_clear_digital_timer(struct cec_msg *msg,
489 int reply,
490 __u8 day,
491 __u8 month,
492 __u8 start_hr,
493 __u8 start_min,
494 __u8 duration_hr,
495 __u8 duration_min,
496 __u8 recording_seq,
497 const struct cec_op_digital_service_id *digital)
498{
499 msg->len = 16;
500 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
501 msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
502 msg->msg[2] = day;
503 msg->msg[3] = month;
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);
511}
512
513static __inline__ void cec_ops_clear_digital_timer(const struct cec_msg *msg,
514 __u8 *day,
515 __u8 *month,
516 __u8 *start_hr,
517 __u8 *start_min,
518 __u8 *duration_hr,
519 __u8 *duration_min,
520 __u8 *recording_seq,
521 struct cec_op_digital_service_id *digital)
522{
523 *day = msg->msg[2];
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);
532}
533
534static __inline__ void cec_msg_clear_ext_timer(struct cec_msg *msg,
535 int reply,
536 __u8 day,
537 __u8 month,
538 __u8 start_hr,
539 __u8 start_min,
540 __u8 duration_hr,
541 __u8 duration_min,
542 __u8 recording_seq,
543 __u8 ext_src_spec,
544 __u8 plug,
545 __u16 phys_addr)
546{
547 msg->len = 13;
548 msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
549 msg->msg[2] = day;
550 msg->msg[3] = month;
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;
558 msg->msg[10] = plug;
559 msg->msg[11] = phys_addr >> 8;
560 msg->msg[12] = phys_addr & 0xff;
561 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
562}
563
564static __inline__ void cec_ops_clear_ext_timer(const struct cec_msg *msg,
565 __u8 *day,
566 __u8 *month,
567 __u8 *start_hr,
568 __u8 *start_min,
569 __u8 *duration_hr,
570 __u8 *duration_min,
571 __u8 *recording_seq,
572 __u8 *ext_src_spec,
573 __u8 *plug,
574 __u16 *phys_addr)
575{
576 *day = msg->msg[2];
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];
587}
588
589static __inline__ void cec_msg_set_analogue_timer(struct cec_msg *msg,
590 int reply,
591 __u8 day,
592 __u8 month,
593 __u8 start_hr,
594 __u8 start_min,
595 __u8 duration_hr,
596 __u8 duration_min,
597 __u8 recording_seq,
598 __u8 ana_bcast_type,
599 __u16 ana_freq,
600 __u8 bcast_system)
601{
602 msg->len = 13;
603 msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
604 msg->msg[2] = day;
605 msg->msg[3] = month;
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;
617}
618
619static __inline__ void cec_ops_set_analogue_timer(const struct cec_msg *msg,
620 __u8 *day,
621 __u8 *month,
622 __u8 *start_hr,
623 __u8 *start_min,
624 __u8 *duration_hr,
625 __u8 *duration_min,
626 __u8 *recording_seq,
627 __u8 *ana_bcast_type,
628 __u16 *ana_freq,
629 __u8 *bcast_system)
630{
631 *day = msg->msg[2];
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];
642}
643
644static __inline__ void cec_msg_set_digital_timer(struct cec_msg *msg,
645 int reply,
646 __u8 day,
647 __u8 month,
648 __u8 start_hr,
649 __u8 start_min,
650 __u8 duration_hr,
651 __u8 duration_min,
652 __u8 recording_seq,
653 const struct cec_op_digital_service_id *digital)
654{
655 msg->len = 16;
656 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
657 msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
658 msg->msg[2] = day;
659 msg->msg[3] = month;
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);
667}
668
669static __inline__ void cec_ops_set_digital_timer(const struct cec_msg *msg,
670 __u8 *day,
671 __u8 *month,
672 __u8 *start_hr,
673 __u8 *start_min,
674 __u8 *duration_hr,
675 __u8 *duration_min,
676 __u8 *recording_seq,
677 struct cec_op_digital_service_id *digital)
678{
679 *day = msg->msg[2];
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);
688}
689
690static __inline__ void cec_msg_set_ext_timer(struct cec_msg *msg,
691 int reply,
692 __u8 day,
693 __u8 month,
694 __u8 start_hr,
695 __u8 start_min,
696 __u8 duration_hr,
697 __u8 duration_min,
698 __u8 recording_seq,
699 __u8 ext_src_spec,
700 __u8 plug,
701 __u16 phys_addr)
702{
703 msg->len = 13;
704 msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
705 msg->msg[2] = day;
706 msg->msg[3] = month;
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;
714 msg->msg[10] = plug;
715 msg->msg[11] = phys_addr >> 8;
716 msg->msg[12] = phys_addr & 0xff;
717 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
718}
719
720static __inline__ void cec_ops_set_ext_timer(const struct cec_msg *msg,
721 __u8 *day,
722 __u8 *month,
723 __u8 *start_hr,
724 __u8 *start_min,
725 __u8 *duration_hr,
726 __u8 *duration_min,
727 __u8 *recording_seq,
728 __u8 *ext_src_spec,
729 __u8 *plug,
730 __u16 *phys_addr)
731{
732 *day = msg->msg[2];
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];
743}
744
745static __inline__ void cec_msg_set_timer_program_title(struct cec_msg *msg,
746 const char *prog_title)
747{
748 unsigned int len = strlen(prog_title);
749
750 if (len > 14)
751 len = 14;
752 msg->len = 2 + len;
753 msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
754 memcpy(msg->msg + 2, prog_title, len);
755}
756
757static __inline__ void cec_ops_set_timer_program_title(const struct cec_msg *msg,
758 char *prog_title)
759{
760 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
761
762 if (len > 14)
763 len = 14;
764 memcpy(prog_title, msg->msg + 2, len);
765 prog_title[len] = '\0';
766}
767
768/* System Information Feature */
769static __inline__ void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
770{
771 msg->len = 3;
772 msg->msg[1] = CEC_MSG_CEC_VERSION;
773 msg->msg[2] = cec_version;
774}
775
776static __inline__ void cec_ops_cec_version(const struct cec_msg *msg,
777 __u8 *cec_version)
778{
779 *cec_version = msg->msg[2];
780}
781
782static __inline__ void cec_msg_get_cec_version(struct cec_msg *msg,
783 int reply)
784{
785 msg->len = 2;
786 msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
787 msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
788}
789
790static __inline__ void cec_msg_report_physical_addr(struct cec_msg *msg,
791 __u16 phys_addr, __u8 prim_devtype)
792{
793 msg->len = 5;
794 msg->msg[0] |= CEC_LOG_ADDR_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;
799}
800
801static __inline__ void cec_ops_report_physical_addr(const struct cec_msg *msg,
802 __u16 *phys_addr, __u8 *prim_devtype)
803{
804 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
805 *prim_devtype = msg->msg[4];
806}
807
808static __inline__ void cec_msg_give_physical_addr(struct cec_msg *msg,
809 int reply)
810{
811 msg->len = 2;
812 msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
813 msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
814}
815
816static __inline__ void cec_msg_set_menu_language(struct cec_msg *msg,
817 const char *language)
818{
819 msg->len = 5;
820 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
821 msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE;
822 memcpy(msg->msg + 2, language, 3);
823}
824
825static __inline__ void cec_ops_set_menu_language(const struct cec_msg *msg,
826 char *language)
827{
828 memcpy(language, msg->msg + 2, 3);
829 language[3] = '\0';
830}
831
832static __inline__ void cec_msg_get_menu_language(struct cec_msg *msg,
833 int reply)
834{
835 msg->len = 2;
836 msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
837 msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
838}
839
840/*
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.
843 *
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
846 * should be added.
847 */
848static __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)
851{
852 msg->len = 6;
853 msg->msg[0] |= CEC_LOG_ADDR_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;
859}
860
861static __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)
864{
865 const __u8 *p = &msg->msg[4];
866
867 *cec_version = msg->msg[2];
868 *all_device_types = msg->msg[3];
869 *rc_profile = p;
870 *dev_features = NULL;
871 while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
872 p++;
873 if (!(*p & CEC_OP_FEAT_EXT)) {
874 *dev_features = p + 1;
875 while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
876 p++;
877 }
878 if (*p & CEC_OP_FEAT_EXT)
879 *rc_profile = *dev_features = NULL;
880}
881
882static __inline__ void cec_msg_give_features(struct cec_msg *msg,
883 int reply)
884{
885 msg->len = 2;
886 msg->msg[1] = CEC_MSG_GIVE_FEATURES;
887 msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
888}
889
890/* Deck Control Feature */
891static __inline__ void cec_msg_deck_control(struct cec_msg *msg,
892 __u8 deck_control_mode)
893{
894 msg->len = 3;
895 msg->msg[1] = CEC_MSG_DECK_CONTROL;
896 msg->msg[2] = deck_control_mode;
897}
898
899static __inline__ void cec_ops_deck_control(const struct cec_msg *msg,
900 __u8 *deck_control_mode)
901{
902 *deck_control_mode = msg->msg[2];
903}
904
905static __inline__ void cec_msg_deck_status(struct cec_msg *msg,
906 __u8 deck_info)
907{
908 msg->len = 3;
909 msg->msg[1] = CEC_MSG_DECK_STATUS;
910 msg->msg[2] = deck_info;
911}
912
913static __inline__ void cec_ops_deck_status(const struct cec_msg *msg,
914 __u8 *deck_info)
915{
916 *deck_info = msg->msg[2];
917}
918
919static __inline__ void cec_msg_give_deck_status(struct cec_msg *msg,
920 int reply,
921 __u8 status_req)
922{
923 msg->len = 3;
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;
928}
929
930static __inline__ void cec_ops_give_deck_status(const struct cec_msg *msg,
931 __u8 *status_req)
932{
933 *status_req = msg->msg[2];
934}
935
936static __inline__ void cec_msg_play(struct cec_msg *msg,
937 __u8 play_mode)
938{
939 msg->len = 3;
940 msg->msg[1] = CEC_MSG_PLAY;
941 msg->msg[2] = play_mode;
942}
943
944static __inline__ void cec_ops_play(const struct cec_msg *msg,
945 __u8 *play_mode)
946{
947 *play_mode = msg->msg[2];
948}
949
950
951/* Tuner Control Feature */
952struct cec_op_tuner_device_info {
953 __u8 rec_flag;
954 __u8 tuner_display_info;
955 __u8 is_analog;
956 union {
957 struct cec_op_digital_service_id digital;
958 struct {
959 __u8 ana_bcast_type;
960 __u16 ana_freq;
961 __u8 bcast_system;
962 } analog;
963 };
964};
965
966static __inline__ void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
967 __u8 rec_flag,
968 __u8 tuner_display_info,
969 __u8 ana_bcast_type,
970 __u16 ana_freq,
971 __u8 bcast_system)
972{
973 msg->len = 7;
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;
980}
981
982static __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)
985{
986 msg->len = 10;
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);
990}
991
992static __inline__ void cec_msg_tuner_device_status(struct cec_msg *msg,
993 const struct cec_op_tuner_device_info *tuner_dev_info)
994{
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);
1002 else
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);
1007}
1008
1009static __inline__ void cec_ops_tuner_device_status(const struct cec_msg *msg,
1010 struct cec_op_tuner_device_info *tuner_dev_info)
1011{
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];
1019 return;
1020 }
1021 cec_get_digital_service_id(msg->msg + 3, &tuner_dev_info->digital);
1022}
1023
1024static __inline__ void cec_msg_give_tuner_device_status(struct cec_msg *msg,
1025 int reply,
1026 __u8 status_req)
1027{
1028 msg->len = 3;
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;
1033}
1034
1035static __inline__ void cec_ops_give_tuner_device_status(const struct cec_msg *msg,
1036 __u8 *status_req)
1037{
1038 *status_req = msg->msg[2];
1039}
1040
1041static __inline__ void cec_msg_select_analogue_service(struct cec_msg *msg,
1042 __u8 ana_bcast_type,
1043 __u16 ana_freq,
1044 __u8 bcast_system)
1045{
1046 msg->len = 6;
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;
1052}
1053
1054static __inline__ void cec_ops_select_analogue_service(const struct cec_msg *msg,
1055 __u8 *ana_bcast_type,
1056 __u16 *ana_freq,
1057 __u8 *bcast_system)
1058{
1059 *ana_bcast_type = msg->msg[2];
1060 *ana_freq = (msg->msg[3] << 8) | msg->msg[4];
1061 *bcast_system = msg->msg[5];
1062}
1063
1064static __inline__ void cec_msg_select_digital_service(struct cec_msg *msg,
1065 const struct cec_op_digital_service_id *digital)
1066{
1067 msg->len = 9;
1068 msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE;
1069 cec_set_digital_service_id(msg->msg + 2, digital);
1070}
1071
1072static __inline__ void cec_ops_select_digital_service(const struct cec_msg *msg,
1073 struct cec_op_digital_service_id *digital)
1074{
1075 cec_get_digital_service_id(msg->msg + 2, digital);
1076}
1077
1078static __inline__ void cec_msg_tuner_step_decrement(struct cec_msg *msg)
1079{
1080 msg->len = 2;
1081 msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;
1082}
1083
1084static __inline__ void cec_msg_tuner_step_increment(struct cec_msg *msg)
1085{
1086 msg->len = 2;
1087 msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT;
1088}
1089
1090
1091/* Vendor Specific Commands Feature */
1092static __inline__ void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id)
1093{
1094 msg->len = 5;
1095 msg->msg[0] |= CEC_LOG_ADDR_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;
1100}
1101
1102static __inline__ void cec_ops_device_vendor_id(const struct cec_msg *msg,
1103 __u32 *vendor_id)
1104{
1105 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1106}
1107
1108static __inline__ void cec_msg_give_device_vendor_id(struct cec_msg *msg,
1109 int reply)
1110{
1111 msg->len = 2;
1112 msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID;
1113 msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
1114}
1115
1116static __inline__ void cec_msg_vendor_command(struct cec_msg *msg,
1117 __u8 size, const __u8 *vendor_cmd)
1118{
1119 if (size > 14)
1120 size = 14;
1121 msg->len = 2 + size;
1122 msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
1123 memcpy(msg->msg + 2, vendor_cmd, size);
1124}
1125
1126static __inline__ void cec_ops_vendor_command(const struct cec_msg *msg,
1127 __u8 *size,
1128 const __u8 **vendor_cmd)
1129{
1130 *size = msg->len - 2;
1131
1132 if (*size > 14)
1133 *size = 14;
1134 *vendor_cmd = msg->msg + 2;
1135}
1136
1137static __inline__ void cec_msg_vendor_command_with_id(struct cec_msg *msg,
1138 __u32 vendor_id, __u8 size,
1139 const __u8 *vendor_cmd)
1140{
1141 if (size > 11)
1142 size = 11;
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);
1149}
1150
1151static __inline__ void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
1152 __u32 *vendor_id, __u8 *size,
1153 const __u8 **vendor_cmd)
1154{
1155 *size = msg->len - 5;
1156
1157 if (*size > 11)
1158 *size = 11;
1159 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1160 *vendor_cmd = msg->msg + 5;
1161}
1162
1163static __inline__ void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
1164 __u8 size,
1165 const __u8 *rc_code)
1166{
1167 if (size > 14)
1168 size = 14;
1169 msg->len = 2 + size;
1170 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
1171 memcpy(msg->msg + 2, rc_code, size);
1172}
1173
1174static __inline__ void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
1175 __u8 *size,
1176 const __u8 **rc_code)
1177{
1178 *size = msg->len - 2;
1179
1180 if (*size > 14)
1181 *size = 14;
1182 *rc_code = msg->msg + 2;
1183}
1184
1185static __inline__ void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
1186{
1187 msg->len = 2;
1188 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP;
1189}
1190
1191
1192/* OSD Display Feature */
1193static __inline__ void cec_msg_set_osd_string(struct cec_msg *msg,
1194 __u8 disp_ctl,
1195 const char *osd)
1196{
1197 unsigned int len = strlen(osd);
1198
1199 if (len > 13)
1200 len = 13;
1201 msg->len = 3 + len;
1202 msg->msg[1] = CEC_MSG_SET_OSD_STRING;
1203 msg->msg[2] = disp_ctl;
1204 memcpy(msg->msg + 3, osd, len);
1205}
1206
1207static __inline__ void cec_ops_set_osd_string(const struct cec_msg *msg,
1208 __u8 *disp_ctl,
1209 char *osd)
1210{
1211 unsigned int len = msg->len > 3 ? msg->len - 3 : 0;
1212
1213 *disp_ctl = msg->msg[2];
1214 if (len > 13)
1215 len = 13;
1216 memcpy(osd, msg->msg + 3, len);
1217 osd[len] = '\0';
1218}
1219
1220
1221/* Device OSD Transfer Feature */
1222static __inline__ void cec_msg_set_osd_name(struct cec_msg *msg, const char *name)
1223{
1224 unsigned int len = strlen(name);
1225
1226 if (len > 14)
1227 len = 14;
1228 msg->len = 2 + len;
1229 msg->msg[1] = CEC_MSG_SET_OSD_NAME;
1230 memcpy(msg->msg + 2, name, len);
1231}
1232
1233static __inline__ void cec_ops_set_osd_name(const struct cec_msg *msg,
1234 char *name)
1235{
1236 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
1237
1238 if (len > 14)
1239 len = 14;
1240 memcpy(name, msg->msg + 2, len);
1241 name[len] = '\0';
1242}
1243
1244static __inline__ void cec_msg_give_osd_name(struct cec_msg *msg,
1245 int reply)
1246{
1247 msg->len = 2;
1248 msg->msg[1] = CEC_MSG_GIVE_OSD_NAME;
1249 msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0;
1250}
1251
1252
1253/* Device Menu Control Feature */
1254static __inline__ void cec_msg_menu_status(struct cec_msg *msg,
1255 __u8 menu_state)
1256{
1257 msg->len = 3;
1258 msg->msg[1] = CEC_MSG_MENU_STATUS;
1259 msg->msg[2] = menu_state;
1260}
1261
1262static __inline__ void cec_ops_menu_status(const struct cec_msg *msg,
1263 __u8 *menu_state)
1264{
1265 *menu_state = msg->msg[2];
1266}
1267
1268static __inline__ void cec_msg_menu_request(struct cec_msg *msg,
1269 int reply,
1270 __u8 menu_req)
1271{
1272 msg->len = 3;
1273 msg->msg[1] = CEC_MSG_MENU_REQUEST;
1274 msg->msg[2] = menu_req;
1275 msg->reply = reply ? CEC_MSG_MENU_STATUS : 0;
1276}
1277
1278static __inline__ void cec_ops_menu_request(const struct cec_msg *msg,
1279 __u8 *menu_req)
1280{
1281 *menu_req = msg->msg[2];
1282}
1283
1284struct cec_op_ui_command {
1285 __u8 ui_cmd;
1286 __u8 has_opt_arg;
1287 union {
1288 struct cec_op_channel_data channel_identifier;
1289 __u8 ui_broadcast_type;
1290 __u8 ui_sound_presentation_control;
1291 __u8 play_mode;
1292 __u8 ui_function_media;
1293 __u8 ui_function_select_av_input;
1294 __u8 ui_function_select_audio_input;
1295 };
1296};
1297
1298static __inline__ void cec_msg_user_control_pressed(struct cec_msg *msg,
1299 const struct cec_op_ui_command *ui_cmd)
1300{
1301 msg->len = 3;
1302 msg->msg[1] = CEC_MSG_USER_CONTROL_PRESSED;
1303 msg->msg[2] = ui_cmd->ui_cmd;
1304 if (!ui_cmd->has_opt_arg)
1305 return;
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 */
1314 msg->len++;
1315 msg->msg[3] = ui_cmd->play_mode;
1316 break;
1317 case CEC_OP_UI_CMD_TUNE_FUNCTION:
1318 msg->len += 4;
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;
1324 break;
1325 }
1326}
1327
1328static __inline__ void cec_ops_user_control_pressed(const struct cec_msg *msg,
1329 struct cec_op_ui_command *ui_cmd)
1330{
1331 ui_cmd->ui_cmd = msg->msg[2];
1332 ui_cmd->has_opt_arg = 0;
1333 if (msg->len == 3)
1334 return;
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;
1345 break;
1346 case CEC_OP_UI_CMD_TUNE_FUNCTION:
1347 if (msg->len < 7)
1348 break;
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];
1353 break;
1354 }
1355}
1356
1357static __inline__ void cec_msg_user_control_released(struct cec_msg *msg)
1358{
1359 msg->len = 2;
1360 msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED;
1361}
1362
1363/* Remote Control Passthrough Feature */
1364
1365/* Power Status Feature */
1366static __inline__ void cec_msg_report_power_status(struct cec_msg *msg,
1367 __u8 pwr_state)
1368{
1369 msg->len = 3;
1370 msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS;
1371 msg->msg[2] = pwr_state;
1372}
1373
1374static __inline__ void cec_ops_report_power_status(const struct cec_msg *msg,
1375 __u8 *pwr_state)
1376{
1377 *pwr_state = msg->msg[2];
1378}
1379
1380static __inline__ void cec_msg_give_device_power_status(struct cec_msg *msg,
1381 int reply)
1382{
1383 msg->len = 2;
1384 msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS;
1385 msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0;
1386}
1387
1388/* General Protocol Messages */
1389static __inline__ void cec_msg_feature_abort(struct cec_msg *msg,
1390 __u8 abort_msg, __u8 reason)
1391{
1392 msg->len = 4;
1393 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1394 msg->msg[2] = abort_msg;
1395 msg->msg[3] = reason;
1396}
1397
1398static __inline__ void cec_ops_feature_abort(const struct cec_msg *msg,
1399 __u8 *abort_msg, __u8 *reason)
1400{
1401 *abort_msg = msg->msg[2];
1402 *reason = msg->msg[3];
1403}
1404
1405/* This changes the current message into a feature abort message */
1406static __inline__ void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1407{
1408 cec_msg_set_reply_to(msg, msg);
1409 msg->len = 4;
1410 msg->msg[2] = msg->msg[1];
1411 msg->msg[3] = reason;
1412 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1413}
1414
1415static __inline__ void cec_msg_abort(struct cec_msg *msg)
1416{
1417 msg->len = 2;
1418 msg->msg[1] = CEC_MSG_ABORT;
1419}
1420
1421
1422/* System Audio Control Feature */
1423static __inline__ void cec_msg_report_audio_status(struct cec_msg *msg,
1424 __u8 aud_mute_status,
1425 __u8 aud_vol_status)
1426{
1427 msg->len = 3;
1428 msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS;
1429 msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f);
1430}
1431
1432static __inline__ void cec_ops_report_audio_status(const struct cec_msg *msg,
1433 __u8 *aud_mute_status,
1434 __u8 *aud_vol_status)
1435{
1436 *aud_mute_status = msg->msg[2] >> 7;
1437 *aud_vol_status = msg->msg[2] & 0x7f;
1438}
1439
1440static __inline__ void cec_msg_give_audio_status(struct cec_msg *msg,
1441 int reply)
1442{
1443 msg->len = 2;
1444 msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS;
1445 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0;
1446}
1447
1448static __inline__ void cec_msg_set_system_audio_mode(struct cec_msg *msg,
1449 __u8 sys_aud_status)
1450{
1451 msg->len = 3;
1452 msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE;
1453 msg->msg[2] = sys_aud_status;
1454}
1455
1456static __inline__ void cec_ops_set_system_audio_mode(const struct cec_msg *msg,
1457 __u8 *sys_aud_status)
1458{
1459 *sys_aud_status = msg->msg[2];
1460}
1461
1462static __inline__ void cec_msg_system_audio_mode_request(struct cec_msg *msg,
1463 int reply,
1464 __u16 phys_addr)
1465{
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;
1471
1472}
1473
1474static __inline__ void cec_ops_system_audio_mode_request(const struct cec_msg *msg,
1475 __u16 *phys_addr)
1476{
1477 if (msg->len < 4)
1478 *phys_addr = 0xffff;
1479 else
1480 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1481}
1482
1483static __inline__ void cec_msg_system_audio_mode_status(struct cec_msg *msg,
1484 __u8 sys_aud_status)
1485{
1486 msg->len = 3;
1487 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
1488 msg->msg[2] = sys_aud_status;
1489}
1490
1491static __inline__ void cec_ops_system_audio_mode_status(const struct cec_msg *msg,
1492 __u8 *sys_aud_status)
1493{
1494 *sys_aud_status = msg->msg[2];
1495}
1496
1497static __inline__ void cec_msg_give_system_audio_mode_status(struct cec_msg *msg,
1498 int reply)
1499{
1500 msg->len = 2;
1501 msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;
1502 msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;
1503}
1504
1505static __inline__ void cec_msg_report_short_audio_descriptor(struct cec_msg *msg,
1506 __u8 num_descriptors,
1507 const __u32 *descriptors)
1508{
1509 unsigned int i;
1510
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;
1519 }
1520}
1521
1522static __inline__ void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg,
1523 __u8 *num_descriptors,
1524 __u32 *descriptors)
1525{
1526 unsigned int i;
1527
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];
1535}
1536
1537static __inline__ void cec_msg_request_short_audio_descriptor(struct cec_msg *msg,
1538 int reply,
1539 __u8 num_descriptors,
1540 const __u8 *audio_format_id,
1541 const __u8 *audio_format_code)
1542{
1543 unsigned int i;
1544
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);
1553}
1554
1555static __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)
1559{
1560 unsigned int i;
1561
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;
1568 }
1569}
1570
1571static __inline__ void cec_msg_set_audio_volume_level(struct cec_msg *msg,
1572 __u8 audio_volume_level)
1573{
1574 msg->len = 3;
1575 msg->msg[1] = CEC_MSG_SET_AUDIO_VOLUME_LEVEL;
1576 msg->msg[2] = audio_volume_level;
1577}
1578
1579static __inline__ void cec_ops_set_audio_volume_level(const struct cec_msg *msg,
1580 __u8 *audio_volume_level)
1581{
1582 *audio_volume_level = msg->msg[2];
1583}
1584
1585
1586/* Audio Rate Control Feature */
1587static __inline__ void cec_msg_set_audio_rate(struct cec_msg *msg,
1588 __u8 audio_rate)
1589{
1590 msg->len = 3;
1591 msg->msg[1] = CEC_MSG_SET_AUDIO_RATE;
1592 msg->msg[2] = audio_rate;
1593}
1594
1595static __inline__ void cec_ops_set_audio_rate(const struct cec_msg *msg,
1596 __u8 *audio_rate)
1597{
1598 *audio_rate = msg->msg[2];
1599}
1600
1601
1602/* Audio Return Channel Control Feature */
1603static __inline__ void cec_msg_report_arc_initiated(struct cec_msg *msg)
1604{
1605 msg->len = 2;
1606 msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED;
1607}
1608
1609static __inline__ void cec_msg_initiate_arc(struct cec_msg *msg,
1610 int reply)
1611{
1612 msg->len = 2;
1613 msg->msg[1] = CEC_MSG_INITIATE_ARC;
1614 msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0;
1615}
1616
1617static __inline__ void cec_msg_request_arc_initiation(struct cec_msg *msg,
1618 int reply)
1619{
1620 msg->len = 2;
1621 msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION;
1622 msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0;
1623}
1624
1625static __inline__ void cec_msg_report_arc_terminated(struct cec_msg *msg)
1626{
1627 msg->len = 2;
1628 msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED;
1629}
1630
1631static __inline__ void cec_msg_terminate_arc(struct cec_msg *msg,
1632 int reply)
1633{
1634 msg->len = 2;
1635 msg->msg[1] = CEC_MSG_TERMINATE_ARC;
1636 msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0;
1637}
1638
1639static __inline__ void cec_msg_request_arc_termination(struct cec_msg *msg,
1640 int reply)
1641{
1642 msg->len = 2;
1643 msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION;
1644 msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0;
1645}
1646
1647
1648/* Dynamic Audio Lipsync Feature */
1649/* Only for CEC 2.0 and up */
1650static __inline__ void cec_msg_report_current_latency(struct cec_msg *msg,
1651 __u16 phys_addr,
1652 __u8 video_latency,
1653 __u8 low_latency_mode,
1654 __u8 audio_out_compensated,
1655 __u8 audio_out_delay)
1656{
1657 msg->len = 6;
1658 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
1659 msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY;
1660 msg->msg[2] = phys_addr >> 8;
1661 msg->msg[3] = phys_addr & 0xff;
1662 msg->msg[4] = video_latency;
1663 msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated;
1664 if (audio_out_compensated == 3)
1665 msg->msg[msg->len++] = audio_out_delay;
1666}
1667
1668static __inline__ void cec_ops_report_current_latency(const struct cec_msg *msg,
1669 __u16 *phys_addr,
1670 __u8 *video_latency,
1671 __u8 *low_latency_mode,
1672 __u8 *audio_out_compensated,
1673 __u8 *audio_out_delay)
1674{
1675 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1676 *video_latency = msg->msg[4];
1677 *low_latency_mode = (msg->msg[5] >> 2) & 1;
1678 *audio_out_compensated = msg->msg[5] & 3;
1679 if (*audio_out_compensated == 3 && msg->len >= 7)
1680 *audio_out_delay = msg->msg[6];
1681 else
1682 *audio_out_delay = 1;
1683}
1684
1685static __inline__ void cec_msg_request_current_latency(struct cec_msg *msg,
1686 int reply,
1687 __u16 phys_addr)
1688{
1689 msg->len = 4;
1690 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
1691 msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY;
1692 msg->msg[2] = phys_addr >> 8;
1693 msg->msg[3] = phys_addr & 0xff;
1694 msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0;
1695}
1696
1697static __inline__ void cec_ops_request_current_latency(const struct cec_msg *msg,
1698 __u16 *phys_addr)
1699{
1700 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1701}
1702
1703
1704/* Latency Indication Protocol Feature */
1705/* Only for CEC 2.0 and up */
1706static __inline__ void cec_msg_request_lip_support(struct cec_msg *msg,
1707 int reply, __u16 phys_addr)
1708{
1709 msg->len = 4;
1710 msg->msg[1] = CEC_MSG_REQUEST_LIP_SUPPORT;
1711 msg->msg[2] = phys_addr >> 8;
1712 msg->msg[3] = phys_addr & 0xff;
1713 msg->reply = reply ? CEC_MSG_REPORT_LIP_SUPPORT : 0;
1714}
1715
1716static __inline__ void cec_ops_request_lip_support(const struct cec_msg *msg,
1717 __u16 *phys_addr)
1718{
1719 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1720}
1721
1722static __inline__ void cec_msg_report_lip_support(struct cec_msg *msg, __u32 sqid)
1723{
1724 msg->len = 6;
1725 msg->msg[1] = CEC_MSG_REPORT_LIP_SUPPORT;
1726 msg->msg[2] = sqid >> 24;
1727 msg->msg[3] = (sqid >> 16) & 0xff;
1728 msg->msg[4] = (sqid >> 8) & 0xff;
1729 msg->msg[5] = sqid & 0xff;
1730}
1731
1732static __inline__ void cec_ops_report_lip_support(const struct cec_msg *msg,
1733 __u32 *sqid)
1734{
1735 *sqid = (msg->msg[2] << 24) | (msg->msg[3] << 16) |
1736 (msg->msg[4] << 8) | msg->msg[5];
1737}
1738
1739static __inline__ void cec_msg_request_audio_and_video_latency(struct cec_msg *msg,
1740 int reply, __u8 video_format,
1741 __u8 hdr_format, __u8 vrr_format,
1742 __u8 audio_format,
1743 __u8 audio_format_extension)
1744{
1745 msg->len = 6;
1746 msg->msg[1] = CEC_MSG_REQUEST_AUDIO_AND_VIDEO_LATENCY;
1747 msg->msg[2] = video_format;
1748 msg->msg[3] = hdr_format;
1749 msg->msg[4] = vrr_format;
1750 msg->msg[5] = audio_format;
1751 if (audio_format >= 1 && audio_format <= 31) {
1752 msg->msg[6] = audio_format_extension;
1753 msg->len++;
1754 }
1755 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_AND_VIDEO_LATENCY : 0;
1756}
1757
1758static __inline__ void cec_ops_request_audio_and_video_latency(const struct cec_msg *msg,
1759 __u8 *video_format,
1760 __u8 *hdr_format,
1761 __u8 *vrr_format,
1762 __u8 *audio_format,
1763 __u8 *audio_format_extension)
1764{
1765 *video_format = msg->msg[2];
1766 *hdr_format = msg->msg[3];
1767 *vrr_format = msg->msg[4];
1768 *audio_format = msg->msg[5];
1769 *audio_format_extension = msg->len > 6 ? msg->msg[6] : 0;
1770}
1771
1772static __inline__ void cec_msg_report_audio_and_video_latency(struct cec_msg *msg,
1773 __u16 video_latency,
1774 __u16 audio_latency)
1775{
1776 msg->len = 6;
1777 msg->msg[1] = CEC_MSG_REPORT_AUDIO_AND_VIDEO_LATENCY;
1778 msg->msg[2] = video_latency >> 8;
1779 msg->msg[3] = video_latency & 0xff;
1780 msg->msg[4] = audio_latency >> 8;
1781 msg->msg[5] = audio_latency & 0xff;
1782}
1783
1784static __inline__ void cec_ops_report_audio_and_video_latency(const struct cec_msg *msg,
1785 __u16 *video_latency,
1786 __u16 *audio_latency)
1787{
1788 *video_latency = (msg->msg[2] << 8) | msg->msg[3];
1789 *audio_latency = (msg->msg[4] << 8) | msg->msg[5];
1790}
1791
1792static __inline__ void cec_msg_request_audio_latency(struct cec_msg *msg,
1793 int reply,
1794 __u8 audio_format,
1795 __u8 audio_format_extension)
1796{
1797 msg->len = 3;
1798 msg->msg[1] = CEC_MSG_REQUEST_AUDIO_LATENCY;
1799 msg->msg[2] = audio_format;
1800 if (audio_format >= 1 && audio_format <= 31) {
1801 msg->msg[3] = audio_format_extension;
1802 msg->len++;
1803 }
1804 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_LATENCY : 0;
1805}
1806
1807static __inline__ void cec_ops_request_audio_latency(const struct cec_msg *msg,
1808 __u8 *audio_format,
1809 __u8 *audio_format_extension)
1810{
1811 *audio_format = msg->msg[2];
1812 *audio_format_extension = msg->len > 3 ? msg->msg[3] : 0;
1813}
1814
1815static __inline__ void cec_msg_report_audio_latency(struct cec_msg *msg,
1816 __u16 audio_latency)
1817{
1818 msg->len = 4;
1819 msg->msg[1] = CEC_MSG_REPORT_AUDIO_LATENCY;
1820 msg->msg[2] = audio_latency >> 8;
1821 msg->msg[3] = audio_latency & 0xff;
1822}
1823
1824static __inline__ void cec_ops_report_audio_latency(const struct cec_msg *msg,
1825 __u16 *audio_latency)
1826{
1827 *audio_latency = (msg->msg[2] << 8) | msg->msg[3];
1828}
1829
1830static __inline__ void cec_msg_request_video_latency(struct cec_msg *msg,
1831 int reply, __u8 video_format,
1832 __u8 hdr_format,
1833 __u8 vrr_format)
1834{
1835 msg->len = 5;
1836 msg->msg[1] = CEC_MSG_REQUEST_VIDEO_LATENCY;
1837 msg->msg[2] = video_format;
1838 msg->msg[3] = hdr_format;
1839 msg->msg[4] = vrr_format;
1840 msg->reply = reply ? CEC_MSG_REPORT_VIDEO_LATENCY : 0;
1841}
1842
1843static __inline__ void cec_ops_request_video_latency(const struct cec_msg *msg,
1844 __u8 *video_format,
1845 __u8 *hdr_format,
1846 __u8 *vrr_format)
1847{
1848 *video_format = msg->msg[2];
1849 *hdr_format = msg->msg[3];
1850 *vrr_format = msg->msg[4];
1851}
1852
1853static __inline__ void cec_msg_report_video_latency(struct cec_msg *msg,
1854 __u16 video_latency)
1855{
1856 msg->len = 4;
1857 msg->msg[1] = CEC_MSG_REPORT_VIDEO_LATENCY;
1858 msg->msg[2] = video_latency >> 8;
1859 msg->msg[3] = video_latency & 0xff;
1860}
1861
1862static __inline__ void cec_ops_report_video_latency(const struct cec_msg *msg,
1863 __u16 *video_latency)
1864{
1865 *video_latency = (msg->msg[2] << 8) | msg->msg[3];
1866}
1867
1868static __inline__ void cec_msg_update_sqid(struct cec_msg *msg, __u32 sqid)
1869{
1870 msg->len = 6;
1871 msg->msg[1] = CEC_MSG_UPDATE_SQID;
1872 msg->msg[2] = sqid >> 24;
1873 msg->msg[3] = (sqid >> 16) & 0xff;
1874 msg->msg[4] = (sqid >> 8) & 0xff;
1875 msg->msg[5] = sqid & 0xff;
1876}
1877
1878static __inline__ void cec_ops_update_sqid(const struct cec_msg *msg,
1879 __u32 *sqid)
1880{
1881 *sqid = (msg->msg[2] << 24) | (msg->msg[3] << 16) |
1882 (msg->msg[4] << 8) | msg->msg[5];
1883}
1884
1885
1886/* Capability Discovery and Control Feature */
1887static __inline__ void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg,
1888 __u16 phys_addr1,
1889 __u16 phys_addr2)
1890{
1891 msg->len = 9;
1892 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
1893 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1894 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1895 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1896 msg->msg[5] = phys_addr1 >> 8;
1897 msg->msg[6] = phys_addr1 & 0xff;
1898 msg->msg[7] = phys_addr2 >> 8;
1899 msg->msg[8] = phys_addr2 & 0xff;
1900}
1901
1902static __inline__ void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg,
1903 __u16 *phys_addr,
1904 __u16 *phys_addr1,
1905 __u16 *phys_addr2)
1906{
1907 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1908 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1909 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1910}
1911
1912static __inline__ void cec_msg_cdc_hec_report_state(struct cec_msg *msg,
1913 __u16 target_phys_addr,
1914 __u8 hec_func_state,
1915 __u8 host_func_state,
1916 __u8 enc_func_state,
1917 __u8 cdc_errcode,
1918 __u8 has_field,
1919 __u16 hec_field)
1920{
1921 msg->len = has_field ? 10 : 8;
1922 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
1923 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1924 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1925 msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE;
1926 msg->msg[5] = target_phys_addr >> 8;
1927 msg->msg[6] = target_phys_addr & 0xff;
1928 msg->msg[7] = (hec_func_state << 6) |
1929 (host_func_state << 4) |
1930 (enc_func_state << 2) |
1931 cdc_errcode;
1932 if (has_field) {
1933 msg->msg[8] = hec_field >> 8;
1934 msg->msg[9] = hec_field & 0xff;
1935 }
1936}
1937
1938static __inline__ void cec_ops_cdc_hec_report_state(const struct cec_msg *msg,
1939 __u16 *phys_addr,
1940 __u16 *target_phys_addr,
1941 __u8 *hec_func_state,
1942 __u8 *host_func_state,
1943 __u8 *enc_func_state,
1944 __u8 *cdc_errcode,
1945 __u8 *has_field,
1946 __u16 *hec_field)
1947{
1948 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1949 *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6];
1950 *hec_func_state = msg->msg[7] >> 6;
1951 *host_func_state = (msg->msg[7] >> 4) & 3;
1952 *enc_func_state = (msg->msg[7] >> 4) & 3;
1953 *cdc_errcode = msg->msg[7] & 3;
1954 *has_field = msg->len >= 10;
1955 *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0;
1956}
1957
1958static __inline__ void cec_msg_cdc_hec_set_state(struct cec_msg *msg,
1959 __u16 phys_addr1,
1960 __u16 phys_addr2,
1961 __u8 hec_set_state,
1962 __u16 phys_addr3,
1963 __u16 phys_addr4,
1964 __u16 phys_addr5)
1965{
1966 msg->len = 10;
1967 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
1968 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1969 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1970 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1971 msg->msg[5] = phys_addr1 >> 8;
1972 msg->msg[6] = phys_addr1 & 0xff;
1973 msg->msg[7] = phys_addr2 >> 8;
1974 msg->msg[8] = phys_addr2 & 0xff;
1975 msg->msg[9] = hec_set_state;
1976 if (phys_addr3 != CEC_PHYS_ADDR_INVALID) {
1977 msg->msg[msg->len++] = phys_addr3 >> 8;
1978 msg->msg[msg->len++] = phys_addr3 & 0xff;
1979 if (phys_addr4 != CEC_PHYS_ADDR_INVALID) {
1980 msg->msg[msg->len++] = phys_addr4 >> 8;
1981 msg->msg[msg->len++] = phys_addr4 & 0xff;
1982 if (phys_addr5 != CEC_PHYS_ADDR_INVALID) {
1983 msg->msg[msg->len++] = phys_addr5 >> 8;
1984 msg->msg[msg->len++] = phys_addr5 & 0xff;
1985 }
1986 }
1987 }
1988}
1989
1990static __inline__ void cec_ops_cdc_hec_set_state(const struct cec_msg *msg,
1991 __u16 *phys_addr,
1992 __u16 *phys_addr1,
1993 __u16 *phys_addr2,
1994 __u8 *hec_set_state,
1995 __u16 *phys_addr3,
1996 __u16 *phys_addr4,
1997 __u16 *phys_addr5)
1998{
1999 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2000 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
2001 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
2002 *hec_set_state = msg->msg[9];
2003 *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID;
2004 if (msg->len >= 12)
2005 *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11];
2006 if (msg->len >= 14)
2007 *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13];
2008 if (msg->len >= 16)
2009 *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15];
2010}
2011
2012static __inline__ void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg,
2013 __u16 phys_addr1,
2014 __u8 hec_set_state)
2015{
2016 msg->len = 8;
2017 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2018 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2019 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2020 msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT;
2021 msg->msg[5] = phys_addr1 >> 8;
2022 msg->msg[6] = phys_addr1 & 0xff;
2023 msg->msg[7] = hec_set_state;
2024}
2025
2026static __inline__ void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg,
2027 __u16 *phys_addr,
2028 __u16 *phys_addr1,
2029 __u8 *hec_set_state)
2030{
2031 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2032 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
2033 *hec_set_state = msg->msg[7];
2034}
2035
2036static __inline__ void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg,
2037 __u16 phys_addr1,
2038 __u16 phys_addr2,
2039 __u16 phys_addr3)
2040{
2041 msg->len = 11;
2042 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2043 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2044 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2045 msg->msg[4] = CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION;
2046 msg->msg[5] = phys_addr1 >> 8;
2047 msg->msg[6] = phys_addr1 & 0xff;
2048 msg->msg[7] = phys_addr2 >> 8;
2049 msg->msg[8] = phys_addr2 & 0xff;
2050 msg->msg[9] = phys_addr3 >> 8;
2051 msg->msg[10] = phys_addr3 & 0xff;
2052}
2053
2054static __inline__ void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg,
2055 __u16 *phys_addr,
2056 __u16 *phys_addr1,
2057 __u16 *phys_addr2,
2058 __u16 *phys_addr3)
2059{
2060 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2061 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
2062 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
2063 *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10];
2064}
2065
2066static __inline__ void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg)
2067{
2068 msg->len = 5;
2069 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2070 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2071 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2072 msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE;
2073}
2074
2075static __inline__ void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg,
2076 __u16 *phys_addr)
2077{
2078 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2079}
2080
2081static __inline__ void cec_msg_cdc_hec_discover(struct cec_msg *msg)
2082{
2083 msg->len = 5;
2084 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2085 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2086 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2087 msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER;
2088}
2089
2090static __inline__ void cec_ops_cdc_hec_discover(const struct cec_msg *msg,
2091 __u16 *phys_addr)
2092{
2093 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2094}
2095
2096static __inline__ void cec_msg_cdc_hpd_set_state(struct cec_msg *msg,
2097 __u8 input_port,
2098 __u8 hpd_state)
2099{
2100 msg->len = 6;
2101 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2102 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2103 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2104 msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE;
2105 msg->msg[5] = (input_port << 4) | hpd_state;
2106}
2107
2108static __inline__ void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg,
2109 __u16 *phys_addr,
2110 __u8 *input_port,
2111 __u8 *hpd_state)
2112{
2113 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2114 *input_port = msg->msg[5] >> 4;
2115 *hpd_state = msg->msg[5] & 0xf;
2116}
2117
2118static __inline__ void cec_msg_cdc_hpd_report_state(struct cec_msg *msg,
2119 __u8 hpd_state,
2120 __u8 hpd_error)
2121{
2122 msg->len = 6;
2123 msg->msg[0] |= CEC_LOG_ADDR_BROADCAST;
2124 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
2125 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
2126 msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE;
2127 msg->msg[5] = (hpd_state << 4) | hpd_error;
2128}
2129
2130static __inline__ void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg,
2131 __u16 *phys_addr,
2132 __u8 *hpd_state,
2133 __u8 *hpd_error)
2134{
2135 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
2136 *hpd_state = msg->msg[5] >> 4;
2137 *hpd_error = msg->msg[5] & 0xf;
2138}
2139
2140#endif