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Merge remote-tracking branch 'tpmdd/next'
[deliverable/linux.git] / include / linux / cec-funcs.h
CommitLineData
50f7d5a6
HV		 1/*
2 * cec - HDMI Consumer Electronics Control message functions
3 *
4 * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
5 *
6 * This program is free software; you may redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
12655445
HV		 10 * Alternatively you can redistribute this file under the terms of the
11 * BSD license as stated below:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in
20 * the documentation and/or other materials provided with the
21 * distribution.
22 * 3. The names of its contributors may not be used to endorse or promote
23 * products derived from this software without specific prior written
24 * permission.
25 *
50f7d5a6
HV		 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36/*
37 * Note: this framework is still in staging and it is likely the API
38 * will change before it goes out of staging.
39 *
40 * Once it is moved out of staging this header will move to uapi.
41 */
42#ifndef _CEC_UAPI_FUNCS_H
43#define _CEC_UAPI_FUNCS_H
44
45#include <linux/cec.h>
46
47/* One Touch Play Feature */
48static inline void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr)
49{
50 msg->len = 4;
51 msg->msg[0] |= 0xf; /* broadcast */
52 msg->msg[1] = CEC_MSG_ACTIVE_SOURCE;
53 msg->msg[2] = phys_addr >> 8;
54 msg->msg[3] = phys_addr & 0xff;
55}
56
57static inline void cec_ops_active_source(const struct cec_msg *msg,
58 __u16 *phys_addr)
59{
60 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
61}
62
63static inline void cec_msg_image_view_on(struct cec_msg *msg)
64{
65 msg->len = 2;
66 msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON;
67}
68
69static inline void cec_msg_text_view_on(struct cec_msg *msg)
70{
71 msg->len = 2;
72 msg->msg[1] = CEC_MSG_TEXT_VIEW_ON;
73}
74
75
76/* Routing Control Feature */
77static inline void cec_msg_inactive_source(struct cec_msg *msg,
78 __u16 phys_addr)
79{
80 msg->len = 4;
81 msg->msg[1] = CEC_MSG_INACTIVE_SOURCE;
82 msg->msg[2] = phys_addr >> 8;
83 msg->msg[3] = phys_addr & 0xff;
84}
85
86static inline void cec_ops_inactive_source(const struct cec_msg *msg,
87 __u16 *phys_addr)
88{
89 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
90}
91
92static inline void cec_msg_request_active_source(struct cec_msg *msg,
93 bool reply)
94{
95 msg->len = 2;
96 msg->msg[0] |= 0xf; /* broadcast */
97 msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE;
98 msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0;
99}
100
101static inline void cec_msg_routing_information(struct cec_msg *msg,
102 __u16 phys_addr)
103{
104 msg->len = 4;
105 msg->msg[0] |= 0xf; /* broadcast */
106 msg->msg[1] = CEC_MSG_ROUTING_INFORMATION;
107 msg->msg[2] = phys_addr >> 8;
108 msg->msg[3] = phys_addr & 0xff;
109}
110
111static inline void cec_ops_routing_information(const struct cec_msg *msg,
112 __u16 *phys_addr)
113{
114 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
115}
116
117static inline void cec_msg_routing_change(struct cec_msg *msg,
118 bool reply,
119 __u16 orig_phys_addr,
120 __u16 new_phys_addr)
121{
122 msg->len = 6;
123 msg->msg[0] |= 0xf; /* broadcast */
124 msg->msg[1] = CEC_MSG_ROUTING_CHANGE;
125 msg->msg[2] = orig_phys_addr >> 8;
126 msg->msg[3] = orig_phys_addr & 0xff;
127 msg->msg[4] = new_phys_addr >> 8;
128 msg->msg[5] = new_phys_addr & 0xff;
129 msg->reply = reply ? CEC_MSG_ROUTING_INFORMATION : 0;
130}
131
132static inline void cec_ops_routing_change(const struct cec_msg *msg,
133 __u16 *orig_phys_addr,
134 __u16 *new_phys_addr)
135{
136 *orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3];
137 *new_phys_addr = (msg->msg[4] << 8) | msg->msg[5];
138}
139
140static inline void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr)
141{
142 msg->len = 4;
143 msg->msg[0] |= 0xf; /* broadcast */
144 msg->msg[1] = CEC_MSG_SET_STREAM_PATH;
145 msg->msg[2] = phys_addr >> 8;
146 msg->msg[3] = phys_addr & 0xff;
147}
148
149static inline void cec_ops_set_stream_path(const struct cec_msg *msg,
150 __u16 *phys_addr)
151{
152 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
153}
154
155
156/* Standby Feature */
157static inline void cec_msg_standby(struct cec_msg *msg)
158{
159 msg->len = 2;
160 msg->msg[1] = CEC_MSG_STANDBY;
161}
162
163
164/* One Touch Record Feature */
31dc8b73 165static inline void cec_msg_record_off(struct cec_msg *msg, bool reply)
50f7d5a6
HV		 166{
167 msg->len = 2;
168 msg->msg[1] = CEC_MSG_RECORD_OFF;
31dc8b73 169 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
50f7d5a6
HV		 170}
171
172struct cec_op_arib_data {
173 __u16 transport_id;
174 __u16 service_id;
175 __u16 orig_network_id;
176};
177
178struct cec_op_atsc_data {
179 __u16 transport_id;
180 __u16 program_number;
181};
182
183struct cec_op_dvb_data {
184 __u16 transport_id;
185 __u16 service_id;
186 __u16 orig_network_id;
187};
188
189struct cec_op_channel_data {
190 __u8 channel_number_fmt;
191 __u16 major;
192 __u16 minor;
193};
194
195struct cec_op_digital_service_id {
196 __u8 service_id_method;
197 __u8 dig_bcast_system;
198 union {
199 struct cec_op_arib_data arib;
200 struct cec_op_atsc_data atsc;
201 struct cec_op_dvb_data dvb;
202 struct cec_op_channel_data channel;
203 };
204};
205
206struct cec_op_record_src {
207 __u8 type;
208 union {
209 struct cec_op_digital_service_id digital;
210 struct {
211 __u8 ana_bcast_type;
212 __u16 ana_freq;
213 __u8 bcast_system;
214 } analog;
215 struct {
216 __u8 plug;
217 } ext_plug;
218 struct {
219 __u16 phys_addr;
220 } ext_phys_addr;
221 };
222};
223
224static inline void cec_set_digital_service_id(__u8 *msg,
225 const struct cec_op_digital_service_id *digital)
226{
227 *msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system;
228 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
229 *msg++ = (digital->channel.channel_number_fmt << 2) |
230 (digital->channel.major >> 8);
9ebf1945 231 *msg++ = digital->channel.major & 0xff;
50f7d5a6
HV		 232 *msg++ = digital->channel.minor >> 8;
233 *msg++ = digital->channel.minor & 0xff;
234 *msg++ = 0;
235 *msg++ = 0;
236 return;
237 }
238 switch (digital->dig_bcast_system) {
239 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN:
240 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE:
241 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT:
242 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T:
243 *msg++ = digital->atsc.transport_id >> 8;
244 *msg++ = digital->atsc.transport_id & 0xff;
245 *msg++ = digital->atsc.program_number >> 8;
246 *msg++ = digital->atsc.program_number & 0xff;
247 *msg++ = 0;
248 *msg++ = 0;
249 break;
250 default:
251 *msg++ = digital->dvb.transport_id >> 8;
252 *msg++ = digital->dvb.transport_id & 0xff;
253 *msg++ = digital->dvb.service_id >> 8;
254 *msg++ = digital->dvb.service_id & 0xff;
255 *msg++ = digital->dvb.orig_network_id >> 8;
256 *msg++ = digital->dvb.orig_network_id & 0xff;
257 break;
258 }
259}
260
261static inline void cec_get_digital_service_id(const __u8 *msg,
262 struct cec_op_digital_service_id *digital)
263{
264 digital->service_id_method = msg[0] >> 7;
265 digital->dig_bcast_system = msg[0] & 0x7f;
266 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
267 digital->channel.channel_number_fmt = msg[1] >> 2;
268 digital->channel.major = ((msg[1] & 3) << 6) | msg[2];
269 digital->channel.minor = (msg[3] << 8) | msg[4];
270 return;
271 }
272 digital->dvb.transport_id = (msg[1] << 8) | msg[2];
273 digital->dvb.service_id = (msg[3] << 8) | msg[4];
274 digital->dvb.orig_network_id = (msg[5] << 8) | msg[6];
275}
276
277static inline void cec_msg_record_on_own(struct cec_msg *msg)
278{
279 msg->len = 3;
280 msg->msg[1] = CEC_MSG_RECORD_ON;
281 msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
282}
283
284static inline void cec_msg_record_on_digital(struct cec_msg *msg,
285 const struct cec_op_digital_service_id *digital)
286{
287 msg->len = 10;
288 msg->msg[1] = CEC_MSG_RECORD_ON;
289 msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL;
290 cec_set_digital_service_id(msg->msg + 3, digital);
291}
292
293static inline void cec_msg_record_on_analog(struct cec_msg *msg,
294 __u8 ana_bcast_type,
295 __u16 ana_freq,
296 __u8 bcast_system)
297{
298 msg->len = 7;
299 msg->msg[1] = CEC_MSG_RECORD_ON;
300 msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG;
301 msg->msg[3] = ana_bcast_type;
302 msg->msg[4] = ana_freq >> 8;
303 msg->msg[5] = ana_freq & 0xff;
304 msg->msg[6] = bcast_system;
305}
306
307static inline void cec_msg_record_on_plug(struct cec_msg *msg,
308 __u8 plug)
309{
310 msg->len = 4;
311 msg->msg[1] = CEC_MSG_RECORD_ON;
312 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
313 msg->msg[3] = plug;
314}
315
316static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
317 __u16 phys_addr)
318{
319 msg->len = 5;
320 msg->msg[1] = CEC_MSG_RECORD_ON;
321 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR;
322 msg->msg[3] = phys_addr >> 8;
323 msg->msg[4] = phys_addr & 0xff;
324}
325
326static inline void cec_msg_record_on(struct cec_msg *msg,
31dc8b73 327 bool reply,
50f7d5a6
HV		 328 const struct cec_op_record_src *rec_src)
329{
330 switch (rec_src->type) {
331 case CEC_OP_RECORD_SRC_OWN:
332 cec_msg_record_on_own(msg);
333 break;
334 case CEC_OP_RECORD_SRC_DIGITAL:
335 cec_msg_record_on_digital(msg, &rec_src->digital);
336 break;
337 case CEC_OP_RECORD_SRC_ANALOG:
338 cec_msg_record_on_analog(msg,
339 rec_src->analog.ana_bcast_type,
340 rec_src->analog.ana_freq,
341 rec_src->analog.bcast_system);
342 break;
343 case CEC_OP_RECORD_SRC_EXT_PLUG:
344 cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
345 break;
346 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
347 cec_msg_record_on_phys_addr(msg,
348 rec_src->ext_phys_addr.phys_addr);
349 break;
350 }
31dc8b73 351 msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
50f7d5a6
HV		 352}
353
354static inline void cec_ops_record_on(const struct cec_msg *msg,
355 struct cec_op_record_src *rec_src)
356{
357 rec_src->type = msg->msg[2];
358 switch (rec_src->type) {
359 case CEC_OP_RECORD_SRC_OWN:
360 break;
361 case CEC_OP_RECORD_SRC_DIGITAL:
362 cec_get_digital_service_id(msg->msg + 3, &rec_src->digital);
363 break;
364 case CEC_OP_RECORD_SRC_ANALOG:
365 rec_src->analog.ana_bcast_type = msg->msg[3];
366 rec_src->analog.ana_freq =
367 (msg->msg[4] << 8) | msg->msg[5];
368 rec_src->analog.bcast_system = msg->msg[6];
369 break;
370 case CEC_OP_RECORD_SRC_EXT_PLUG:
371 rec_src->ext_plug.plug = msg->msg[3];
372 break;
373 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
374 rec_src->ext_phys_addr.phys_addr =
375 (msg->msg[3] << 8) | msg->msg[4];
376 break;
377 }
378}
379
380static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
381{
382 msg->len = 3;
383 msg->msg[1] = CEC_MSG_RECORD_STATUS;
384 msg->msg[2] = rec_status;
385}
386
387static inline void cec_ops_record_status(const struct cec_msg *msg,
388 __u8 *rec_status)
389{
390 *rec_status = msg->msg[2];
391}
392
393static inline void cec_msg_record_tv_screen(struct cec_msg *msg,
394 bool reply)
395{
396 msg->len = 2;
397 msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
398 msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
399}
400
401
402/* Timer Programming Feature */
403static inline void cec_msg_timer_status(struct cec_msg *msg,
404 __u8 timer_overlap_warning,
405 __u8 media_info,
406 __u8 prog_info,
407 __u8 prog_error,
408 __u8 duration_hr,
409 __u8 duration_min)
410{
411 msg->len = 3;
412 msg->msg[1] = CEC_MSG_TIMER_STATUS;
413 msg->msg[2] = (timer_overlap_warning << 7) |
414 (media_info << 5) |
415 (prog_info ? 0x10 : 0) |
416 (prog_info ? prog_info : prog_error);
417 if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
418 prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
419 prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
420 msg->len += 2;
421 msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
422 msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
423 }
424}
425
0c1f8569 426static inline void cec_ops_timer_status(const struct cec_msg *msg,
50f7d5a6
HV		 427 __u8 *timer_overlap_warning,
428 __u8 *media_info,
429 __u8 *prog_info,
430 __u8 *prog_error,
431 __u8 *duration_hr,
432 __u8 *duration_min)
433{
434 *timer_overlap_warning = msg->msg[2] >> 7;
435 *media_info = (msg->msg[2] >> 5) & 3;
436 if (msg->msg[2] & 0x10) {
437 *prog_info = msg->msg[2] & 0xf;
438 *prog_error = 0;
439 } else {
440 *prog_info = 0;
441 *prog_error = msg->msg[2] & 0xf;
442 }
443 if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
444 *prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
445 *prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
446 *duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf);
447 *duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
448 } else {
449 *duration_hr = *duration_min = 0;
450 }
451}
452
453static inline void cec_msg_timer_cleared_status(struct cec_msg *msg,
454 __u8 timer_cleared_status)
455{
456 msg->len = 3;
457 msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
458 msg->msg[2] = timer_cleared_status;
459}
460
0c1f8569 461static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg,
50f7d5a6
HV		 462 __u8 *timer_cleared_status)
463{
464 *timer_cleared_status = msg->msg[2];
465}
466
467static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg,
468 bool reply,
469 __u8 day,
470 __u8 month,
471 __u8 start_hr,
472 __u8 start_min,
473 __u8 duration_hr,
474 __u8 duration_min,
475 __u8 recording_seq,
476 __u8 ana_bcast_type,
477 __u16 ana_freq,
478 __u8 bcast_system)
479{
480 msg->len = 13;
481 msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
482 msg->msg[2] = day;
483 msg->msg[3] = month;
484 /* Hours and minutes are in BCD format */
485 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
486 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
487 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
488 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
489 msg->msg[8] = recording_seq;
490 msg->msg[9] = ana_bcast_type;
491 msg->msg[10] = ana_freq >> 8;
492 msg->msg[11] = ana_freq & 0xff;
493 msg->msg[12] = bcast_system;
494 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
495}
496
0c1f8569 497static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
50f7d5a6
HV		 498 __u8 *day,
499 __u8 *month,
500 __u8 *start_hr,
501 __u8 *start_min,
502 __u8 *duration_hr,
503 __u8 *duration_min,
504 __u8 *recording_seq,
505 __u8 *ana_bcast_type,
506 __u16 *ana_freq,
507 __u8 *bcast_system)
508{
509 *day = msg->msg[2];
510 *month = msg->msg[3];
511 /* Hours and minutes are in BCD format */
512 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
513 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
514 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
515 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
516 *recording_seq = msg->msg[8];
517 *ana_bcast_type = msg->msg[9];
518 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
519 *bcast_system = msg->msg[12];
520}
521
522static inline void cec_msg_clear_digital_timer(struct cec_msg *msg,
523 bool reply,
524 __u8 day,
525 __u8 month,
526 __u8 start_hr,
527 __u8 start_min,
528 __u8 duration_hr,
529 __u8 duration_min,
530 __u8 recording_seq,
531 const struct cec_op_digital_service_id *digital)
532{
533 msg->len = 16;
534 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
535 msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
536 msg->msg[2] = day;
537 msg->msg[3] = month;
538 /* Hours and minutes are in BCD format */
539 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
540 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
541 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
542 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
543 msg->msg[8] = recording_seq;
544 cec_set_digital_service_id(msg->msg + 9, digital);
545}
546
0c1f8569 547static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg,
50f7d5a6
HV		 548 __u8 *day,
549 __u8 *month,
550 __u8 *start_hr,
551 __u8 *start_min,
552 __u8 *duration_hr,
553 __u8 *duration_min,
554 __u8 *recording_seq,
555 struct cec_op_digital_service_id *digital)
556{
557 *day = msg->msg[2];
558 *month = msg->msg[3];
559 /* Hours and minutes are in BCD format */
560 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
561 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
562 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
563 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
564 *recording_seq = msg->msg[8];
565 cec_get_digital_service_id(msg->msg + 9, digital);
566}
567
568static inline void cec_msg_clear_ext_timer(struct cec_msg *msg,
569 bool reply,
570 __u8 day,
571 __u8 month,
572 __u8 start_hr,
573 __u8 start_min,
574 __u8 duration_hr,
575 __u8 duration_min,
576 __u8 recording_seq,
577 __u8 ext_src_spec,
578 __u8 plug,
579 __u16 phys_addr)
580{
581 msg->len = 13;
582 msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
583 msg->msg[2] = day;
584 msg->msg[3] = month;
585 /* Hours and minutes are in BCD format */
586 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
587 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
588 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
589 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
590 msg->msg[8] = recording_seq;
591 msg->msg[9] = ext_src_spec;
592 msg->msg[10] = plug;
593 msg->msg[11] = phys_addr >> 8;
594 msg->msg[12] = phys_addr & 0xff;
595 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
596}
597
0c1f8569 598static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg,
50f7d5a6
HV		 599 __u8 *day,
600 __u8 *month,
601 __u8 *start_hr,
602 __u8 *start_min,
603 __u8 *duration_hr,
604 __u8 *duration_min,
605 __u8 *recording_seq,
606 __u8 *ext_src_spec,
607 __u8 *plug,
608 __u16 *phys_addr)
609{
610 *day = msg->msg[2];
611 *month = msg->msg[3];
612 /* Hours and minutes are in BCD format */
613 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
614 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
615 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
616 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
617 *recording_seq = msg->msg[8];
618 *ext_src_spec = msg->msg[9];
619 *plug = msg->msg[10];
620 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
621}
622
623static inline void cec_msg_set_analogue_timer(struct cec_msg *msg,
624 bool reply,
625 __u8 day,
626 __u8 month,
627 __u8 start_hr,
628 __u8 start_min,
629 __u8 duration_hr,
630 __u8 duration_min,
631 __u8 recording_seq,
632 __u8 ana_bcast_type,
633 __u16 ana_freq,
634 __u8 bcast_system)
635{
636 msg->len = 13;
637 msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
638 msg->msg[2] = day;
639 msg->msg[3] = month;
640 /* Hours and minutes are in BCD format */
641 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
642 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
643 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
644 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
645 msg->msg[8] = recording_seq;
646 msg->msg[9] = ana_bcast_type;
647 msg->msg[10] = ana_freq >> 8;
648 msg->msg[11] = ana_freq & 0xff;
649 msg->msg[12] = bcast_system;
650 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
651}
652
0c1f8569 653static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg,
50f7d5a6
HV		 654 __u8 *day,
655 __u8 *month,
656 __u8 *start_hr,
657 __u8 *start_min,
658 __u8 *duration_hr,
659 __u8 *duration_min,
660 __u8 *recording_seq,
661 __u8 *ana_bcast_type,
662 __u16 *ana_freq,
663 __u8 *bcast_system)
664{
665 *day = msg->msg[2];
666 *month = msg->msg[3];
667 /* Hours and minutes are in BCD format */
668 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
669 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
670 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
671 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
672 *recording_seq = msg->msg[8];
673 *ana_bcast_type = msg->msg[9];
674 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
675 *bcast_system = msg->msg[12];
676}
677
678static inline void cec_msg_set_digital_timer(struct cec_msg *msg,
679 bool reply,
680 __u8 day,
681 __u8 month,
682 __u8 start_hr,
683 __u8 start_min,
684 __u8 duration_hr,
685 __u8 duration_min,
686 __u8 recording_seq,
687 const struct cec_op_digital_service_id *digital)
688{
689 msg->len = 16;
690 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
691 msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
692 msg->msg[2] = day;
693 msg->msg[3] = month;
694 /* Hours and minutes are in BCD format */
695 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
696 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
697 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
698 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
699 msg->msg[8] = recording_seq;
700 cec_set_digital_service_id(msg->msg + 9, digital);
701}
702
0c1f8569 703static inline void cec_ops_set_digital_timer(const struct cec_msg *msg,
50f7d5a6
HV		 704 __u8 *day,
705 __u8 *month,
706 __u8 *start_hr,
707 __u8 *start_min,
708 __u8 *duration_hr,
709 __u8 *duration_min,
710 __u8 *recording_seq,
711 struct cec_op_digital_service_id *digital)
712{
713 *day = msg->msg[2];
714 *month = msg->msg[3];
715 /* Hours and minutes are in BCD format */
716 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
717 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
718 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
719 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
720 *recording_seq = msg->msg[8];
721 cec_get_digital_service_id(msg->msg + 9, digital);
722}
723
724static inline void cec_msg_set_ext_timer(struct cec_msg *msg,
725 bool reply,
726 __u8 day,
727 __u8 month,
728 __u8 start_hr,
729 __u8 start_min,
730 __u8 duration_hr,
731 __u8 duration_min,
732 __u8 recording_seq,
733 __u8 ext_src_spec,
734 __u8 plug,
735 __u16 phys_addr)
736{
737 msg->len = 13;
738 msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
739 msg->msg[2] = day;
740 msg->msg[3] = month;
741 /* Hours and minutes are in BCD format */
742 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
743 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
744 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
745 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
746 msg->msg[8] = recording_seq;
747 msg->msg[9] = ext_src_spec;
748 msg->msg[10] = plug;
749 msg->msg[11] = phys_addr >> 8;
750 msg->msg[12] = phys_addr & 0xff;
751 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
752}
753
0c1f8569 754static inline void cec_ops_set_ext_timer(const struct cec_msg *msg,
50f7d5a6
HV		 755 __u8 *day,
756 __u8 *month,
757 __u8 *start_hr,
758 __u8 *start_min,
759 __u8 *duration_hr,
760 __u8 *duration_min,
761 __u8 *recording_seq,
762 __u8 *ext_src_spec,
763 __u8 *plug,
764 __u16 *phys_addr)
765{
766 *day = msg->msg[2];
767 *month = msg->msg[3];
768 /* Hours and minutes are in BCD format */
769 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
770 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
771 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
772 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
773 *recording_seq = msg->msg[8];
774 *ext_src_spec = msg->msg[9];
775 *plug = msg->msg[10];
776 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
777}
778
779static inline void cec_msg_set_timer_program_title(struct cec_msg *msg,
780 const char *prog_title)
781{
782 unsigned int len = strlen(prog_title);
783
784 if (len > 14)
785 len = 14;
786 msg->len = 2 + len;
787 msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
788 memcpy(msg->msg + 2, prog_title, len);
789}
790
791static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg,
792 char *prog_title)
793{
0cb1f1e4 794 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
50f7d5a6
HV		 795
796 if (len > 14)
797 len = 14;
798 memcpy(prog_title, msg->msg + 2, len);
799 prog_title[len] = '\0';
800}
801
802/* System Information Feature */
803static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
804{
805 msg->len = 3;
806 msg->msg[1] = CEC_MSG_CEC_VERSION;
807 msg->msg[2] = cec_version;
808}
809
810static inline void cec_ops_cec_version(const struct cec_msg *msg,
811 __u8 *cec_version)
812{
813 *cec_version = msg->msg[2];
814}
815
816static inline void cec_msg_get_cec_version(struct cec_msg *msg,
817 bool reply)
818{
819 msg->len = 2;
820 msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
821 msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
822}
823
824static inline void cec_msg_report_physical_addr(struct cec_msg *msg,
825 __u16 phys_addr, __u8 prim_devtype)
826{
827 msg->len = 5;
828 msg->msg[0] |= 0xf; /* broadcast */
829 msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR;
830 msg->msg[2] = phys_addr >> 8;
831 msg->msg[3] = phys_addr & 0xff;
832 msg->msg[4] = prim_devtype;
833}
834
835static inline void cec_ops_report_physical_addr(const struct cec_msg *msg,
836 __u16 *phys_addr, __u8 *prim_devtype)
837{
838 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
839 *prim_devtype = msg->msg[4];
840}
841
842static inline void cec_msg_give_physical_addr(struct cec_msg *msg,
843 bool reply)
844{
845 msg->len = 2;
846 msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
847 msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
848}
849
850static inline void cec_msg_set_menu_language(struct cec_msg *msg,
851 const char *language)
852{
853 msg->len = 5;
854 msg->msg[0] |= 0xf; /* broadcast */
855 msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE;
856 memcpy(msg->msg + 2, language, 3);
857}
858
0c1f8569 859static inline void cec_ops_set_menu_language(const struct cec_msg *msg,
50f7d5a6
HV		 860 char *language)
861{
862 memcpy(language, msg->msg + 2, 3);
863 language[3] = '\0';
864}
865
866static inline void cec_msg_get_menu_language(struct cec_msg *msg,
867 bool reply)
868{
869 msg->len = 2;
870 msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
871 msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
872}
873
874/*
875 * Assumes a single RC Profile byte and a single Device Features byte,
876 * i.e. no extended features are supported by this helper function.
877 *
878 * As of CEC 2.0 no extended features are defined, should those be added
879 * in the future, then this function needs to be adapted or a new function
880 * should be added.
881 */
882static inline void cec_msg_report_features(struct cec_msg *msg,
883 __u8 cec_version, __u8 all_device_types,
884 __u8 rc_profile, __u8 dev_features)
885{
886 msg->len = 6;
887 msg->msg[0] |= 0xf; /* broadcast */
888 msg->msg[1] = CEC_MSG_REPORT_FEATURES;
889 msg->msg[2] = cec_version;
890 msg->msg[3] = all_device_types;
891 msg->msg[4] = rc_profile;
892 msg->msg[5] = dev_features;
893}
894
895static inline void cec_ops_report_features(const struct cec_msg *msg,
896 __u8 *cec_version, __u8 *all_device_types,
897 const __u8 **rc_profile, const __u8 **dev_features)
898{
899 const __u8 *p = &msg->msg[4];
900
901 *cec_version = msg->msg[2];
902 *all_device_types = msg->msg[3];
903 *rc_profile = p;
904 while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
905 p++;
906 if (!(*p & CEC_OP_FEAT_EXT)) {
907 *dev_features = p + 1;
908 while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
909 p++;
910 }
911 if (*p & CEC_OP_FEAT_EXT)
912 *rc_profile = *dev_features = NULL;
913}
914
915static inline void cec_msg_give_features(struct cec_msg *msg,
916 bool reply)
917{
918 msg->len = 2;
919 msg->msg[1] = CEC_MSG_GIVE_FEATURES;
920 msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
921}
922
923/* Deck Control Feature */
924static inline void cec_msg_deck_control(struct cec_msg *msg,
925 __u8 deck_control_mode)
926{
927 msg->len = 3;
928 msg->msg[1] = CEC_MSG_DECK_CONTROL;
929 msg->msg[2] = deck_control_mode;
930}
931
0c1f8569 932static inline void cec_ops_deck_control(const struct cec_msg *msg,
50f7d5a6
HV		 933 __u8 *deck_control_mode)
934{
935 *deck_control_mode = msg->msg[2];
936}
937
938static inline void cec_msg_deck_status(struct cec_msg *msg,
939 __u8 deck_info)
940{
941 msg->len = 3;
942 msg->msg[1] = CEC_MSG_DECK_STATUS;
943 msg->msg[2] = deck_info;
944}
945
0c1f8569 946static inline void cec_ops_deck_status(const struct cec_msg *msg,
50f7d5a6
HV		 947 __u8 *deck_info)
948{
949 *deck_info = msg->msg[2];
950}
951
952static inline void cec_msg_give_deck_status(struct cec_msg *msg,
953 bool reply,
954 __u8 status_req)
955{
956 msg->len = 3;
957 msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
958 msg->msg[2] = status_req;
959 msg->reply = reply ? CEC_MSG_DECK_STATUS : 0;
960}
961
0c1f8569 962static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
50f7d5a6
HV		 963 __u8 *status_req)
964{
965 *status_req = msg->msg[2];
966}
967
968static inline void cec_msg_play(struct cec_msg *msg,
969 __u8 play_mode)
970{
971 msg->len = 3;
972 msg->msg[1] = CEC_MSG_PLAY;
973 msg->msg[2] = play_mode;
974}
975
0c1f8569 976static inline void cec_ops_play(const struct cec_msg *msg,
50f7d5a6
HV		 977 __u8 *play_mode)
978{
979 *play_mode = msg->msg[2];
980}
981
982
983/* Tuner Control Feature */
984struct cec_op_tuner_device_info {
985 __u8 rec_flag;
986 __u8 tuner_display_info;
987 bool is_analog;
988 union {
989 struct cec_op_digital_service_id digital;
990 struct {
991 __u8 ana_bcast_type;
992 __u16 ana_freq;
993 __u8 bcast_system;
994 } analog;
995 };
996};
997
998static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
999 __u8 rec_flag,
1000 __u8 tuner_display_info,
1001 __u8 ana_bcast_type,
1002 __u16 ana_freq,
1003 __u8 bcast_system)
1004{
1005 msg->len = 7;
1006 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
1007 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
1008 msg->msg[3] = ana_bcast_type;
1009 msg->msg[4] = ana_freq >> 8;
1010 msg->msg[5] = ana_freq & 0xff;
1011 msg->msg[6] = bcast_system;
1012}
1013
1014static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg,
1015 __u8 rec_flag, __u8 tuner_display_info,
1016 const struct cec_op_digital_service_id *digital)
1017{
1018 msg->len = 10;
1019 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
1020 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
1021 cec_set_digital_service_id(msg->msg + 3, digital);
1022}
1023
1024static inline void cec_msg_tuner_device_status(struct cec_msg *msg,
1025 const struct cec_op_tuner_device_info *tuner_dev_info)
1026{
1027 if (tuner_dev_info->is_analog)
1028 cec_msg_tuner_device_status_analog(msg,
1029 tuner_dev_info->rec_flag,
1030 tuner_dev_info->tuner_display_info,
1031 tuner_dev_info->analog.ana_bcast_type,
1032 tuner_dev_info->analog.ana_freq,
1033 tuner_dev_info->analog.bcast_system);
1034 else
1035 cec_msg_tuner_device_status_digital(msg,
1036 tuner_dev_info->rec_flag,
1037 tuner_dev_info->tuner_display_info,
1038 &tuner_dev_info->digital);
1039}
1040
0c1f8569 1041static inline void cec_ops_tuner_device_status(const struct cec_msg *msg,
50f7d5a6
HV		 1042 struct cec_op_tuner_device_info *tuner_dev_info)
1043{
1044 tuner_dev_info->is_analog = msg->len < 10;
1045 tuner_dev_info->rec_flag = msg->msg[2] >> 7;
1046 tuner_dev_info->tuner_display_info = msg->msg[2] & 0x7f;
1047 if (tuner_dev_info->is_analog) {
1048 tuner_dev_info->analog.ana_bcast_type = msg->msg[3];
1049 tuner_dev_info->analog.ana_freq = (msg->msg[4] << 8) | msg->msg[5];
1050 tuner_dev_info->analog.bcast_system = msg->msg[6];
1051 return;
1052 }
1053 cec_get_digital_service_id(msg->msg + 3, &tuner_dev_info->digital);
1054}
1055
1056static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg,
1057 bool reply,
1058 __u8 status_req)
1059{
1060 msg->len = 3;
1061 msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS;
1062 msg->msg[2] = status_req;
1063 msg->reply = reply ? CEC_MSG_TUNER_DEVICE_STATUS : 0;
1064}
1065
0c1f8569 1066static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg,
50f7d5a6
HV		 1067 __u8 *status_req)
1068{
1069 *status_req = msg->msg[2];
1070}
1071
1072static inline void cec_msg_select_analogue_service(struct cec_msg *msg,
1073 __u8 ana_bcast_type,
1074 __u16 ana_freq,
1075 __u8 bcast_system)
1076{
1077 msg->len = 6;
1078 msg->msg[1] = CEC_MSG_SELECT_ANALOGUE_SERVICE;
1079 msg->msg[2] = ana_bcast_type;
1080 msg->msg[3] = ana_freq >> 8;
1081 msg->msg[4] = ana_freq & 0xff;
1082 msg->msg[5] = bcast_system;
1083}
1084
0c1f8569 1085static inline void cec_ops_select_analogue_service(const struct cec_msg *msg,
50f7d5a6
HV		 1086 __u8 *ana_bcast_type,
1087 __u16 *ana_freq,
1088 __u8 *bcast_system)
1089{
1090 *ana_bcast_type = msg->msg[2];
1091 *ana_freq = (msg->msg[3] << 8) | msg->msg[4];
1092 *bcast_system = msg->msg[5];
1093}
1094
1095static inline void cec_msg_select_digital_service(struct cec_msg *msg,
1096 const struct cec_op_digital_service_id *digital)
1097{
1098 msg->len = 9;
1099 msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE;
1100 cec_set_digital_service_id(msg->msg + 2, digital);
1101}
1102
0c1f8569 1103static inline void cec_ops_select_digital_service(const struct cec_msg *msg,
50f7d5a6
HV		 1104 struct cec_op_digital_service_id *digital)
1105{
1106 cec_get_digital_service_id(msg->msg + 2, digital);
1107}
1108
1109static inline void cec_msg_tuner_step_decrement(struct cec_msg *msg)
1110{
1111 msg->len = 2;
1112 msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;
1113}
1114
1115static inline void cec_msg_tuner_step_increment(struct cec_msg *msg)
1116{
1117 msg->len = 2;
1118 msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT;
1119}
1120
1121
1122/* Vendor Specific Commands Feature */
1123static inline void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id)
1124{
1125 msg->len = 5;
1126 msg->msg[0] |= 0xf; /* broadcast */
1127 msg->msg[1] = CEC_MSG_DEVICE_VENDOR_ID;
1128 msg->msg[2] = vendor_id >> 16;
1129 msg->msg[3] = (vendor_id >> 8) & 0xff;
1130 msg->msg[4] = vendor_id & 0xff;
1131}
1132
1133static inline void cec_ops_device_vendor_id(const struct cec_msg *msg,
1134 __u32 *vendor_id)
1135{
1136 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1137}
1138
1139static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
1140 bool reply)
1141{
1142 msg->len = 2;
1143 msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID;
1144 msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
1145}
1146
4808f721
HV		 1147static inline void cec_msg_vendor_command(struct cec_msg *msg,
1148 __u8 size, const __u8 *vendor_cmd)
1149{
1150 if (size > 14)
1151 size = 14;
1152 msg->len = 2 + size;
1153 msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
1154 memcpy(msg->msg + 2, vendor_cmd, size);
1155}
1156
1157static inline void cec_ops_vendor_command(const struct cec_msg *msg,
1158 __u8 *size,
1159 const __u8 **vendor_cmd)
1160{
1161 *size = msg->len - 2;
1162
1163 if (*size > 14)
1164 *size = 14;
1165 *vendor_cmd = msg->msg + 2;
1166}
1167
1168static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg,
1169 __u32 vendor_id, __u8 size,
1170 const __u8 *vendor_cmd)
1171{
1172 if (size > 11)
1173 size = 11;
1174 msg->len = 5 + size;
1175 msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;
1176 msg->msg[2] = vendor_id >> 16;
1177 msg->msg[3] = (vendor_id >> 8) & 0xff;
1178 msg->msg[4] = vendor_id & 0xff;
1179 memcpy(msg->msg + 5, vendor_cmd, size);
1180}
1181
1182static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
1183 __u32 *vendor_id, __u8 *size,
1184 const __u8 **vendor_cmd)
1185{
1186 *size = msg->len - 5;
1187
1188 if (*size > 11)
1189 *size = 11;
1190 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1191 *vendor_cmd = msg->msg + 5;
1192}
1193
1194static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
1195 __u8 size,
1196 const __u8 *rc_code)
1197{
1198 if (size > 14)
1199 size = 14;
1200 msg->len = 2 + size;
1201 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
1202 memcpy(msg->msg + 2, rc_code, size);
1203}
1204
1205static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
1206 __u8 *size,
1207 const __u8 **rc_code)
1208{
1209 *size = msg->len - 2;
1210
1211 if (*size > 14)
1212 *size = 14;
1213 *rc_code = msg->msg + 2;
1214}
1215
50f7d5a6
HV		 1216static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
1217{
1218 msg->len = 2;
1219 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP;
1220}
1221
1222
1223/* OSD Display Feature */
1224static inline void cec_msg_set_osd_string(struct cec_msg *msg,
1225 __u8 disp_ctl,
1226 const char *osd)
1227{
1228 unsigned int len = strlen(osd);
1229
1230 if (len > 13)
1231 len = 13;
1232 msg->len = 3 + len;
1233 msg->msg[1] = CEC_MSG_SET_OSD_STRING;
1234 msg->msg[2] = disp_ctl;
1235 memcpy(msg->msg + 3, osd, len);
1236}
1237
1238static inline void cec_ops_set_osd_string(const struct cec_msg *msg,
1239 __u8 *disp_ctl,
1240 char *osd)
1241{
0cb1f1e4 1242 unsigned int len = msg->len > 3 ? msg->len - 3 : 0;
50f7d5a6
HV		 1243
1244 *disp_ctl = msg->msg[2];
1245 if (len > 13)
1246 len = 13;
1247 memcpy(osd, msg->msg + 3, len);
1248 osd[len] = '\0';
1249}
1250
1251
1252/* Device OSD Transfer Feature */
1253static inline void cec_msg_set_osd_name(struct cec_msg *msg, const char *name)
1254{
1255 unsigned int len = strlen(name);
1256
1257 if (len > 14)
1258 len = 14;
1259 msg->len = 2 + len;
1260 msg->msg[1] = CEC_MSG_SET_OSD_NAME;
1261 memcpy(msg->msg + 2, name, len);
1262}
1263
1264static inline void cec_ops_set_osd_name(const struct cec_msg *msg,
1265 char *name)
1266{
0cb1f1e4 1267 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
50f7d5a6
HV		 1268
1269 if (len > 14)
1270 len = 14;
1271 memcpy(name, msg->msg + 2, len);
1272 name[len] = '\0';
1273}
1274
1275static inline void cec_msg_give_osd_name(struct cec_msg *msg,
1276 bool reply)
1277{
1278 msg->len = 2;
1279 msg->msg[1] = CEC_MSG_GIVE_OSD_NAME;
1280 msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0;
1281}
1282
1283
1284/* Device Menu Control Feature */
1285static inline void cec_msg_menu_status(struct cec_msg *msg,
1286 __u8 menu_state)
1287{
1288 msg->len = 3;
1289 msg->msg[1] = CEC_MSG_MENU_STATUS;
1290 msg->msg[2] = menu_state;
1291}
1292
0c1f8569 1293static inline void cec_ops_menu_status(const struct cec_msg *msg,
50f7d5a6
HV		 1294 __u8 *menu_state)
1295{
1296 *menu_state = msg->msg[2];
1297}
1298
1299static inline void cec_msg_menu_request(struct cec_msg *msg,
1300 bool reply,
1301 __u8 menu_req)
1302{
1303 msg->len = 3;
1304 msg->msg[1] = CEC_MSG_MENU_REQUEST;
1305 msg->msg[2] = menu_req;
1306 msg->reply = reply ? CEC_MSG_MENU_STATUS : 0;
1307}
1308
0c1f8569 1309static inline void cec_ops_menu_request(const struct cec_msg *msg,
50f7d5a6
HV		 1310 __u8 *menu_req)
1311{
1312 *menu_req = msg->msg[2];
1313}
1314
1315struct cec_op_ui_command {
1316 __u8 ui_cmd;
1317 bool has_opt_arg;
1318 union {
1319 struct cec_op_channel_data channel_identifier;
1320 __u8 ui_broadcast_type;
1321 __u8 ui_sound_presentation_control;
1322 __u8 play_mode;
1323 __u8 ui_function_media;
1324 __u8 ui_function_select_av_input;
1325 __u8 ui_function_select_audio_input;
1326 };
1327};
1328
1329static inline void cec_msg_user_control_pressed(struct cec_msg *msg,
1330 const struct cec_op_ui_command *ui_cmd)
1331{
1332 msg->len = 3;
1333 msg->msg[1] = CEC_MSG_USER_CONTROL_PRESSED;
1334 msg->msg[2] = ui_cmd->ui_cmd;
1335 if (!ui_cmd->has_opt_arg)
1336 return;
1337 switch (ui_cmd->ui_cmd) {
1338 case 0x56:
1339 case 0x57:
1340 case 0x60:
1341 case 0x68:
1342 case 0x69:
1343 case 0x6a:
1344 /* The optional operand is one byte for all these ui commands */
1345 msg->len++;
1346 msg->msg[3] = ui_cmd->play_mode;
1347 break;
1348 case 0x67:
1349 msg->len += 4;
1350 msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
1351 (ui_cmd->channel_identifier.major >> 8);
9ebf1945 1352 msg->msg[4] = ui_cmd->channel_identifier.major & 0xff;
50f7d5a6
HV		 1353 msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
1354 msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
1355 break;
1356 }
1357}
1358
0c1f8569 1359static inline void cec_ops_user_control_pressed(const struct cec_msg *msg,
50f7d5a6
HV		 1360 struct cec_op_ui_command *ui_cmd)
1361{
1362 ui_cmd->ui_cmd = msg->msg[2];
1363 ui_cmd->has_opt_arg = false;
1364 if (msg->len == 3)
1365 return;
1366 switch (ui_cmd->ui_cmd) {
1367 case 0x56:
1368 case 0x57:
1369 case 0x60:
1370 case 0x68:
1371 case 0x69:
1372 case 0x6a:
1373 /* The optional operand is one byte for all these ui commands */
1374 ui_cmd->play_mode = msg->msg[3];
1375 ui_cmd->has_opt_arg = true;
1376 break;
1377 case 0x67:
1378 if (msg->len < 7)
1379 break;
1380 ui_cmd->has_opt_arg = true;
1381 ui_cmd->channel_identifier.channel_number_fmt = msg->msg[3] >> 2;
1382 ui_cmd->channel_identifier.major = ((msg->msg[3] & 3) << 6) | msg->msg[4];
1383 ui_cmd->channel_identifier.minor = (msg->msg[5] << 8) | msg->msg[6];
1384 break;
1385 }
1386}
1387
1388static inline void cec_msg_user_control_released(struct cec_msg *msg)
1389{
1390 msg->len = 2;
1391 msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED;
1392}
1393
1394/* Remote Control Passthrough Feature */
1395
1396/* Power Status Feature */
1397static inline void cec_msg_report_power_status(struct cec_msg *msg,
1398 __u8 pwr_state)
1399{
1400 msg->len = 3;
1401 msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS;
1402 msg->msg[2] = pwr_state;
1403}
1404
1405static inline void cec_ops_report_power_status(const struct cec_msg *msg,
1406 __u8 *pwr_state)
1407{
1408 *pwr_state = msg->msg[2];
1409}
1410
1411static inline void cec_msg_give_device_power_status(struct cec_msg *msg,
1412 bool reply)
1413{
1414 msg->len = 2;
1415 msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS;
1416 msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0;
1417}
1418
1419/* General Protocol Messages */
1420static inline void cec_msg_feature_abort(struct cec_msg *msg,
1421 __u8 abort_msg, __u8 reason)
1422{
1423 msg->len = 4;
1424 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1425 msg->msg[2] = abort_msg;
1426 msg->msg[3] = reason;
1427}
1428
1429static inline void cec_ops_feature_abort(const struct cec_msg *msg,
1430 __u8 *abort_msg, __u8 *reason)
1431{
1432 *abort_msg = msg->msg[2];
1433 *reason = msg->msg[3];
1434}
1435
1436/* This changes the current message into a feature abort message */
1437static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1438{
1439 cec_msg_set_reply_to(msg, msg);
1440 msg->len = 4;
1441 msg->msg[2] = msg->msg[1];
1442 msg->msg[3] = reason;
1443 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1444}
1445
1446static inline void cec_msg_abort(struct cec_msg *msg)
1447{
1448 msg->len = 2;
1449 msg->msg[1] = CEC_MSG_ABORT;
1450}
1451
1452
1453/* System Audio Control Feature */
1454static inline void cec_msg_report_audio_status(struct cec_msg *msg,
1455 __u8 aud_mute_status,
1456 __u8 aud_vol_status)
1457{
1458 msg->len = 3;
1459 msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS;
1460 msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f);
1461}
1462
1463static inline void cec_ops_report_audio_status(const struct cec_msg *msg,
1464 __u8 *aud_mute_status,
1465 __u8 *aud_vol_status)
1466{
1467 *aud_mute_status = msg->msg[2] >> 7;
1468 *aud_vol_status = msg->msg[2] & 0x7f;
1469}
1470
1471static inline void cec_msg_give_audio_status(struct cec_msg *msg,
1472 bool reply)
1473{
1474 msg->len = 2;
1475 msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS;
1476 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0;
1477}
1478
1479static inline void cec_msg_set_system_audio_mode(struct cec_msg *msg,
1480 __u8 sys_aud_status)
1481{
1482 msg->len = 3;
1483 msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE;
1484 msg->msg[2] = sys_aud_status;
1485}
1486
1487static inline void cec_ops_set_system_audio_mode(const struct cec_msg *msg,
1488 __u8 *sys_aud_status)
1489{
1490 *sys_aud_status = msg->msg[2];
1491}
1492
1493static inline void cec_msg_system_audio_mode_request(struct cec_msg *msg,
1494 bool reply,
1495 __u16 phys_addr)
1496{
1497 msg->len = phys_addr == 0xffff ? 2 : 4;
1498 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST;
1499 msg->msg[2] = phys_addr >> 8;
1500 msg->msg[3] = phys_addr & 0xff;
1501 msg->reply = reply ? CEC_MSG_SET_SYSTEM_AUDIO_MODE : 0;
1502
1503}
1504
1505static inline void cec_ops_system_audio_mode_request(const struct cec_msg *msg,
1506 __u16 *phys_addr)
1507{
1508 if (msg->len < 4)
1509 *phys_addr = 0xffff;
1510 else
1511 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1512}
1513
1514static inline void cec_msg_system_audio_mode_status(struct cec_msg *msg,
1515 __u8 sys_aud_status)
1516{
1517 msg->len = 3;
1518 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
1519 msg->msg[2] = sys_aud_status;
1520}
1521
1522static inline void cec_ops_system_audio_mode_status(const struct cec_msg *msg,
1523 __u8 *sys_aud_status)
1524{
1525 *sys_aud_status = msg->msg[2];
1526}
1527
1528static inline void cec_msg_give_system_audio_mode_status(struct cec_msg *msg,
1529 bool reply)
1530{
1531 msg->len = 2;
1532 msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;
1533 msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;
1534}
1535
1536static inline void cec_msg_report_short_audio_descriptor(struct cec_msg *msg,
1537 __u8 num_descriptors,
1538 const __u32 *descriptors)
1539{
1540 unsigned int i;
1541
1542 if (num_descriptors > 4)
1543 num_descriptors = 4;
1544 msg->len = 2 + num_descriptors * 3;
1545 msg->msg[1] = CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR;
1546 for (i = 0; i < num_descriptors; i++) {
1547 msg->msg[2 + i * 3] = (descriptors[i] >> 16) & 0xff;
1548 msg->msg[3 + i * 3] = (descriptors[i] >> 8) & 0xff;
1549 msg->msg[4 + i * 3] = descriptors[i] & 0xff;
1550 }
1551}
1552
1553static inline void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg,
1554 __u8 *num_descriptors,
1555 __u32 *descriptors)
1556{
1557 unsigned int i;
1558
1559 *num_descriptors = (msg->len - 2) / 3;
1560 if (*num_descriptors > 4)
1561 *num_descriptors = 4;
1562 for (i = 0; i < *num_descriptors; i++)
1563 descriptors[i] = (msg->msg[2 + i * 3] << 16) |
1564 (msg->msg[3 + i * 3] << 8) |
1565 msg->msg[4 + i * 3];
1566}
1567
1568static inline void cec_msg_request_short_audio_descriptor(struct cec_msg *msg,
9ad52b4d 1569 bool reply,
50f7d5a6
HV		 1570 __u8 num_descriptors,
1571 const __u8 *audio_format_id,
1572 const __u8 *audio_format_code)
1573{
1574 unsigned int i;
1575
1576 if (num_descriptors > 4)
1577 num_descriptors = 4;
1578 msg->len = 2 + num_descriptors;
1579 msg->msg[1] = CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR;
9ad52b4d 1580 msg->reply = reply ? CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR : 0;
50f7d5a6
HV		 1581 for (i = 0; i < num_descriptors; i++)
1582 msg->msg[2 + i] = (audio_format_id[i] << 6) |
1583 (audio_format_code[i] & 0x3f);
1584}
1585
1586static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg *msg,
1587 __u8 *num_descriptors,
1588 __u8 *audio_format_id,
1589 __u8 *audio_format_code)
1590{
1591 unsigned int i;
1592
1593 *num_descriptors = msg->len - 2;
1594 if (*num_descriptors > 4)
1595 *num_descriptors = 4;
1596 for (i = 0; i < *num_descriptors; i++) {
1597 audio_format_id[i] = msg->msg[2 + i] >> 6;
1598 audio_format_code[i] = msg->msg[2 + i] & 0x3f;
1599 }
1600}
1601
1602
1603/* Audio Rate Control Feature */
1604static inline void cec_msg_set_audio_rate(struct cec_msg *msg,
1605 __u8 audio_rate)
1606{
1607 msg->len = 3;
1608 msg->msg[1] = CEC_MSG_SET_AUDIO_RATE;
1609 msg->msg[2] = audio_rate;
1610}
1611
1612static inline void cec_ops_set_audio_rate(const struct cec_msg *msg,
1613 __u8 *audio_rate)
1614{
1615 *audio_rate = msg->msg[2];
1616}
1617
1618
1619/* Audio Return Channel Control Feature */
1620static inline void cec_msg_report_arc_initiated(struct cec_msg *msg)
1621{
1622 msg->len = 2;
1623 msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED;
1624}
1625
1626static inline void cec_msg_initiate_arc(struct cec_msg *msg,
1627 bool reply)
1628{
1629 msg->len = 2;
1630 msg->msg[1] = CEC_MSG_INITIATE_ARC;
1631 msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0;
1632}
1633
1634static inline void cec_msg_request_arc_initiation(struct cec_msg *msg,
1635 bool reply)
1636{
1637 msg->len = 2;
1638 msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION;
1639 msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0;
1640}
1641
1642static inline void cec_msg_report_arc_terminated(struct cec_msg *msg)
1643{
1644 msg->len = 2;
1645 msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED;
1646}
1647
1648static inline void cec_msg_terminate_arc(struct cec_msg *msg,
1649 bool reply)
1650{
1651 msg->len = 2;
1652 msg->msg[1] = CEC_MSG_TERMINATE_ARC;
1653 msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0;
1654}
1655
1656static inline void cec_msg_request_arc_termination(struct cec_msg *msg,
1657 bool reply)
1658{
1659 msg->len = 2;
1660 msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION;
1661 msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0;
1662}
1663
1664
1665/* Dynamic Audio Lipsync Feature */
1666/* Only for CEC 2.0 and up */
1667static inline void cec_msg_report_current_latency(struct cec_msg *msg,
1668 __u16 phys_addr,
1669 __u8 video_latency,
1670 __u8 low_latency_mode,
1671 __u8 audio_out_compensated,
1672 __u8 audio_out_delay)
1673{
1674 msg->len = 7;
1675 msg->msg[0] |= 0xf; /* broadcast */
1676 msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY;
1677 msg->msg[2] = phys_addr >> 8;
1678 msg->msg[3] = phys_addr & 0xff;
1679 msg->msg[4] = video_latency;
1680 msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated;
1681 msg->msg[6] = audio_out_delay;
1682}
1683
1684static inline void cec_ops_report_current_latency(const struct cec_msg *msg,
1685 __u16 *phys_addr,
1686 __u8 *video_latency,
1687 __u8 *low_latency_mode,
1688 __u8 *audio_out_compensated,
1689 __u8 *audio_out_delay)
1690{
1691 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1692 *video_latency = msg->msg[4];
1693 *low_latency_mode = (msg->msg[5] >> 2) & 1;
1694 *audio_out_compensated = msg->msg[5] & 3;
1695 *audio_out_delay = msg->msg[6];
1696}
1697
1698static inline void cec_msg_request_current_latency(struct cec_msg *msg,
1699 bool reply,
1700 __u16 phys_addr)
1701{
1702 msg->len = 4;
1703 msg->msg[0] |= 0xf; /* broadcast */
1704 msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY;
1705 msg->msg[2] = phys_addr >> 8;
1706 msg->msg[3] = phys_addr & 0xff;
1707 msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0;
1708}
1709
1710static inline void cec_ops_request_current_latency(const struct cec_msg *msg,
1711 __u16 *phys_addr)
1712{
1713 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1714}
1715
1716
1717/* Capability Discovery and Control Feature */
1718static inline void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg,
1719 __u16 phys_addr1,
1720 __u16 phys_addr2)
1721{
1722 msg->len = 9;
1723 msg->msg[0] |= 0xf; /* broadcast */
1724 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1725 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1726 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1727 msg->msg[5] = phys_addr1 >> 8;
1728 msg->msg[6] = phys_addr1 & 0xff;
1729 msg->msg[7] = phys_addr2 >> 8;
1730 msg->msg[8] = phys_addr2 & 0xff;
1731}
1732
1733static inline void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg,
1734 __u16 *phys_addr,
1735 __u16 *phys_addr1,
1736 __u16 *phys_addr2)
1737{
1738 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1739 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1740 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1741}
1742
1743static inline void cec_msg_cdc_hec_report_state(struct cec_msg *msg,
1744 __u16 target_phys_addr,
1745 __u8 hec_func_state,
1746 __u8 host_func_state,
1747 __u8 enc_func_state,
1748 __u8 cdc_errcode,
1749 __u8 has_field,
1750 __u16 hec_field)
1751{
1752 msg->len = has_field ? 10 : 8;
1753 msg->msg[0] |= 0xf; /* broadcast */
1754 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1755 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1756 msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE;
1757 msg->msg[5] = target_phys_addr >> 8;
1758 msg->msg[6] = target_phys_addr & 0xff;
1759 msg->msg[7] = (hec_func_state << 6) |
1760 (host_func_state << 4) |
1761 (enc_func_state << 2) |
1762 cdc_errcode;
1763 if (has_field) {
1764 msg->msg[8] = hec_field >> 8;
1765 msg->msg[9] = hec_field & 0xff;
1766 }
1767}
1768
1769static inline void cec_ops_cdc_hec_report_state(const struct cec_msg *msg,
1770 __u16 *phys_addr,
1771 __u16 *target_phys_addr,
1772 __u8 *hec_func_state,
1773 __u8 *host_func_state,
1774 __u8 *enc_func_state,
1775 __u8 *cdc_errcode,
1776 __u8 *has_field,
1777 __u16 *hec_field)
1778{
1779 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1780 *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6];
1781 *hec_func_state = msg->msg[7] >> 6;
1782 *host_func_state = (msg->msg[7] >> 4) & 3;
1783 *enc_func_state = (msg->msg[7] >> 4) & 3;
1784 *cdc_errcode = msg->msg[7] & 3;
1785 *has_field = msg->len >= 10;
1786 *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0;
1787}
1788
1789static inline void cec_msg_cdc_hec_set_state(struct cec_msg *msg,
1790 __u16 phys_addr1,
1791 __u16 phys_addr2,
1792 __u8 hec_set_state,
1793 __u16 phys_addr3,
1794 __u16 phys_addr4,
1795 __u16 phys_addr5)
1796{
1797 msg->len = 10;
1798 msg->msg[0] |= 0xf; /* broadcast */
1799 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1800 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1801 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1802 msg->msg[5] = phys_addr1 >> 8;
1803 msg->msg[6] = phys_addr1 & 0xff;
1804 msg->msg[7] = phys_addr2 >> 8;
1805 msg->msg[8] = phys_addr2 & 0xff;
1806 msg->msg[9] = hec_set_state;
1807 if (phys_addr3 != CEC_PHYS_ADDR_INVALID) {
1808 msg->msg[msg->len++] = phys_addr3 >> 8;
1809 msg->msg[msg->len++] = phys_addr3 & 0xff;
1810 if (phys_addr4 != CEC_PHYS_ADDR_INVALID) {
1811 msg->msg[msg->len++] = phys_addr4 >> 8;
1812 msg->msg[msg->len++] = phys_addr4 & 0xff;
1813 if (phys_addr5 != CEC_PHYS_ADDR_INVALID) {
1814 msg->msg[msg->len++] = phys_addr5 >> 8;
1815 msg->msg[msg->len++] = phys_addr5 & 0xff;
1816 }
1817 }
1818 }
1819}
1820
1821static inline void cec_ops_cdc_hec_set_state(const struct cec_msg *msg,
1822 __u16 *phys_addr,
1823 __u16 *phys_addr1,
1824 __u16 *phys_addr2,
1825 __u8 *hec_set_state,
1826 __u16 *phys_addr3,
1827 __u16 *phys_addr4,
1828 __u16 *phys_addr5)
1829{
1830 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1831 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1832 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1833 *hec_set_state = msg->msg[9];
1834 *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID;
1835 if (msg->len >= 12)
1836 *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11];
1837 if (msg->len >= 14)
1838 *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13];
1839 if (msg->len >= 16)
1840 *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15];
1841}
1842
1843static inline void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg,
1844 __u16 phys_addr1,
1845 __u8 hec_set_state)
1846{
1847 msg->len = 8;
1848 msg->msg[0] |= 0xf; /* broadcast */
1849 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1850 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1851 msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT;
1852 msg->msg[5] = phys_addr1 >> 8;
1853 msg->msg[6] = phys_addr1 & 0xff;
1854 msg->msg[7] = hec_set_state;
1855}
1856
1857static inline void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg,
1858 __u16 *phys_addr,
1859 __u16 *phys_addr1,
1860 __u8 *hec_set_state)
1861{
1862 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1863 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1864 *hec_set_state = msg->msg[7];
1865}
1866
1867static inline void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg,
1868 __u16 phys_addr1,
1869 __u16 phys_addr2,
1870 __u16 phys_addr3)
1871{
1872 msg->len = 11;
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_REQUEST_DEACTIVATION;
1877 msg->msg[5] = phys_addr1 >> 8;
1878 msg->msg[6] = phys_addr1 & 0xff;
1879 msg->msg[7] = phys_addr2 >> 8;
1880 msg->msg[8] = phys_addr2 & 0xff;
1881 msg->msg[9] = phys_addr3 >> 8;
1882 msg->msg[10] = phys_addr3 & 0xff;
1883}
1884
1885static inline void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg,
1886 __u16 *phys_addr,
1887 __u16 *phys_addr1,
1888 __u16 *phys_addr2,
1889 __u16 *phys_addr3)
1890{
1891 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1892 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1893 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1894 *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10];
1895}
1896
1897static inline void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg)
1898{
1899 msg->len = 5;
1900 msg->msg[0] |= 0xf; /* broadcast */
1901 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1902 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1903 msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE;
1904}
1905
1906static inline void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg,
1907 __u16 *phys_addr)
1908{
1909 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1910}
1911
1912static inline void cec_msg_cdc_hec_discover(struct cec_msg *msg)
1913{
1914 msg->len = 5;
1915 msg->msg[0] |= 0xf; /* broadcast */
1916 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1917 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1918 msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER;
1919}
1920
1921static inline void cec_ops_cdc_hec_discover(const struct cec_msg *msg,
1922 __u16 *phys_addr)
1923{
1924 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1925}
1926
1927static inline void cec_msg_cdc_hpd_set_state(struct cec_msg *msg,
1928 __u8 input_port,
1929 __u8 hpd_state)
1930{
1931 msg->len = 6;
1932 msg->msg[0] |= 0xf; /* broadcast */
1933 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1934 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1935 msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE;
1936 msg->msg[5] = (input_port << 4) | hpd_state;
1937}
1938
1939static inline void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg,
1940 __u16 *phys_addr,
1941 __u8 *input_port,
1942 __u8 *hpd_state)
1943{
1944 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1945 *input_port = msg->msg[5] >> 4;
1946 *hpd_state = msg->msg[5] & 0xf;
1947}
1948
1949static inline void cec_msg_cdc_hpd_report_state(struct cec_msg *msg,
1950 __u8 hpd_state,
1951 __u8 hpd_error)
1952{
1953 msg->len = 6;
1954 msg->msg[0] |= 0xf; /* broadcast */
1955 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1956 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1957 msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE;
1958 msg->msg[5] = (hpd_state << 4) | hpd_error;
1959}
1960
1961static inline void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg,
1962 __u16 *phys_addr,
1963 __u8 *hpd_state,
1964 __u8 *hpd_error)
1965{
1966 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1967 *hpd_state = msg->msg[5] >> 4;
1968 *hpd_error = msg->msg[5] & 0xf;
1969}
1970
1971#endif
Linux kernel - Deliverables
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