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