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selinux: fix overflow and 0 length allocations
[deliverable/linux.git] / include / linux / cec-funcs.h
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 *
10 * Alternatively you can redistribute this file under the terms of the
11 * BSD license as stated below:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in
20 * the documentation and/or other materials provided with the
21 * distribution.
22 * 3. The names of its contributors may not be used to endorse or promote
23 * products derived from this software without specific prior written
24 * permission.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36 /*
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 */
48 static 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
57 static 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
63 static 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
69 static 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 */
77 static 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
86 static 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
92 static 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
101 static 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
111 static 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
117 static 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
132 static 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
140 static 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
149 static 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 */
157 static 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 */
165 static inline void cec_msg_record_off(struct cec_msg *msg)
166 {
167 msg->len = 2;
168 msg->msg[1] = CEC_MSG_RECORD_OFF;
169 }
170
171 struct cec_op_arib_data {
172 __u16 transport_id;
173 __u16 service_id;
174 __u16 orig_network_id;
175 };
176
177 struct cec_op_atsc_data {
178 __u16 transport_id;
179 __u16 program_number;
180 };
181
182 struct cec_op_dvb_data {
183 __u16 transport_id;
184 __u16 service_id;
185 __u16 orig_network_id;
186 };
187
188 struct cec_op_channel_data {
189 __u8 channel_number_fmt;
190 __u16 major;
191 __u16 minor;
192 };
193
194 struct cec_op_digital_service_id {
195 __u8 service_id_method;
196 __u8 dig_bcast_system;
197 union {
198 struct cec_op_arib_data arib;
199 struct cec_op_atsc_data atsc;
200 struct cec_op_dvb_data dvb;
201 struct cec_op_channel_data channel;
202 };
203 };
204
205 struct cec_op_record_src {
206 __u8 type;
207 union {
208 struct cec_op_digital_service_id digital;
209 struct {
210 __u8 ana_bcast_type;
211 __u16 ana_freq;
212 __u8 bcast_system;
213 } analog;
214 struct {
215 __u8 plug;
216 } ext_plug;
217 struct {
218 __u16 phys_addr;
219 } ext_phys_addr;
220 };
221 };
222
223 static inline void cec_set_digital_service_id(__u8 *msg,
224 const struct cec_op_digital_service_id *digital)
225 {
226 *msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system;
227 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
228 *msg++ = (digital->channel.channel_number_fmt << 2) |
229 (digital->channel.major >> 8);
230 *msg++ = digital->channel.major && 0xff;
231 *msg++ = digital->channel.minor >> 8;
232 *msg++ = digital->channel.minor & 0xff;
233 *msg++ = 0;
234 *msg++ = 0;
235 return;
236 }
237 switch (digital->dig_bcast_system) {
238 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN:
239 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE:
240 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT:
241 case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T:
242 *msg++ = digital->atsc.transport_id >> 8;
243 *msg++ = digital->atsc.transport_id & 0xff;
244 *msg++ = digital->atsc.program_number >> 8;
245 *msg++ = digital->atsc.program_number & 0xff;
246 *msg++ = 0;
247 *msg++ = 0;
248 break;
249 default:
250 *msg++ = digital->dvb.transport_id >> 8;
251 *msg++ = digital->dvb.transport_id & 0xff;
252 *msg++ = digital->dvb.service_id >> 8;
253 *msg++ = digital->dvb.service_id & 0xff;
254 *msg++ = digital->dvb.orig_network_id >> 8;
255 *msg++ = digital->dvb.orig_network_id & 0xff;
256 break;
257 }
258 }
259
260 static inline void cec_get_digital_service_id(const __u8 *msg,
261 struct cec_op_digital_service_id *digital)
262 {
263 digital->service_id_method = msg[0] >> 7;
264 digital->dig_bcast_system = msg[0] & 0x7f;
265 if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
266 digital->channel.channel_number_fmt = msg[1] >> 2;
267 digital->channel.major = ((msg[1] & 3) << 6) | msg[2];
268 digital->channel.minor = (msg[3] << 8) | msg[4];
269 return;
270 }
271 digital->dvb.transport_id = (msg[1] << 8) | msg[2];
272 digital->dvb.service_id = (msg[3] << 8) | msg[4];
273 digital->dvb.orig_network_id = (msg[5] << 8) | msg[6];
274 }
275
276 static inline void cec_msg_record_on_own(struct cec_msg *msg)
277 {
278 msg->len = 3;
279 msg->msg[1] = CEC_MSG_RECORD_ON;
280 msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
281 }
282
283 static inline void cec_msg_record_on_digital(struct cec_msg *msg,
284 const struct cec_op_digital_service_id *digital)
285 {
286 msg->len = 10;
287 msg->msg[1] = CEC_MSG_RECORD_ON;
288 msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL;
289 cec_set_digital_service_id(msg->msg + 3, digital);
290 }
291
292 static inline void cec_msg_record_on_analog(struct cec_msg *msg,
293 __u8 ana_bcast_type,
294 __u16 ana_freq,
295 __u8 bcast_system)
296 {
297 msg->len = 7;
298 msg->msg[1] = CEC_MSG_RECORD_ON;
299 msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG;
300 msg->msg[3] = ana_bcast_type;
301 msg->msg[4] = ana_freq >> 8;
302 msg->msg[5] = ana_freq & 0xff;
303 msg->msg[6] = bcast_system;
304 }
305
306 static inline void cec_msg_record_on_plug(struct cec_msg *msg,
307 __u8 plug)
308 {
309 msg->len = 4;
310 msg->msg[1] = CEC_MSG_RECORD_ON;
311 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
312 msg->msg[3] = plug;
313 }
314
315 static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
316 __u16 phys_addr)
317 {
318 msg->len = 5;
319 msg->msg[1] = CEC_MSG_RECORD_ON;
320 msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR;
321 msg->msg[3] = phys_addr >> 8;
322 msg->msg[4] = phys_addr & 0xff;
323 }
324
325 static inline void cec_msg_record_on(struct cec_msg *msg,
326 const struct cec_op_record_src *rec_src)
327 {
328 switch (rec_src->type) {
329 case CEC_OP_RECORD_SRC_OWN:
330 cec_msg_record_on_own(msg);
331 break;
332 case CEC_OP_RECORD_SRC_DIGITAL:
333 cec_msg_record_on_digital(msg, &rec_src->digital);
334 break;
335 case CEC_OP_RECORD_SRC_ANALOG:
336 cec_msg_record_on_analog(msg,
337 rec_src->analog.ana_bcast_type,
338 rec_src->analog.ana_freq,
339 rec_src->analog.bcast_system);
340 break;
341 case CEC_OP_RECORD_SRC_EXT_PLUG:
342 cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
343 break;
344 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
345 cec_msg_record_on_phys_addr(msg,
346 rec_src->ext_phys_addr.phys_addr);
347 break;
348 }
349 }
350
351 static inline void cec_ops_record_on(const struct cec_msg *msg,
352 struct cec_op_record_src *rec_src)
353 {
354 rec_src->type = msg->msg[2];
355 switch (rec_src->type) {
356 case CEC_OP_RECORD_SRC_OWN:
357 break;
358 case CEC_OP_RECORD_SRC_DIGITAL:
359 cec_get_digital_service_id(msg->msg + 3, &rec_src->digital);
360 break;
361 case CEC_OP_RECORD_SRC_ANALOG:
362 rec_src->analog.ana_bcast_type = msg->msg[3];
363 rec_src->analog.ana_freq =
364 (msg->msg[4] << 8) | msg->msg[5];
365 rec_src->analog.bcast_system = msg->msg[6];
366 break;
367 case CEC_OP_RECORD_SRC_EXT_PLUG:
368 rec_src->ext_plug.plug = msg->msg[3];
369 break;
370 case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
371 rec_src->ext_phys_addr.phys_addr =
372 (msg->msg[3] << 8) | msg->msg[4];
373 break;
374 }
375 }
376
377 static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
378 {
379 msg->len = 3;
380 msg->msg[1] = CEC_MSG_RECORD_STATUS;
381 msg->msg[2] = rec_status;
382 }
383
384 static inline void cec_ops_record_status(const struct cec_msg *msg,
385 __u8 *rec_status)
386 {
387 *rec_status = msg->msg[2];
388 }
389
390 static inline void cec_msg_record_tv_screen(struct cec_msg *msg,
391 bool reply)
392 {
393 msg->len = 2;
394 msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
395 msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
396 }
397
398
399 /* Timer Programming Feature */
400 static inline void cec_msg_timer_status(struct cec_msg *msg,
401 __u8 timer_overlap_warning,
402 __u8 media_info,
403 __u8 prog_info,
404 __u8 prog_error,
405 __u8 duration_hr,
406 __u8 duration_min)
407 {
408 msg->len = 3;
409 msg->msg[1] = CEC_MSG_TIMER_STATUS;
410 msg->msg[2] = (timer_overlap_warning << 7) |
411 (media_info << 5) |
412 (prog_info ? 0x10 : 0) |
413 (prog_info ? prog_info : prog_error);
414 if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
415 prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
416 prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
417 msg->len += 2;
418 msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
419 msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
420 }
421 }
422
423 static inline void cec_ops_timer_status(const struct cec_msg *msg,
424 __u8 *timer_overlap_warning,
425 __u8 *media_info,
426 __u8 *prog_info,
427 __u8 *prog_error,
428 __u8 *duration_hr,
429 __u8 *duration_min)
430 {
431 *timer_overlap_warning = msg->msg[2] >> 7;
432 *media_info = (msg->msg[2] >> 5) & 3;
433 if (msg->msg[2] & 0x10) {
434 *prog_info = msg->msg[2] & 0xf;
435 *prog_error = 0;
436 } else {
437 *prog_info = 0;
438 *prog_error = msg->msg[2] & 0xf;
439 }
440 if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
441 *prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
442 *prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
443 *duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf);
444 *duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
445 } else {
446 *duration_hr = *duration_min = 0;
447 }
448 }
449
450 static inline void cec_msg_timer_cleared_status(struct cec_msg *msg,
451 __u8 timer_cleared_status)
452 {
453 msg->len = 3;
454 msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
455 msg->msg[2] = timer_cleared_status;
456 }
457
458 static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg,
459 __u8 *timer_cleared_status)
460 {
461 *timer_cleared_status = msg->msg[2];
462 }
463
464 static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg,
465 bool reply,
466 __u8 day,
467 __u8 month,
468 __u8 start_hr,
469 __u8 start_min,
470 __u8 duration_hr,
471 __u8 duration_min,
472 __u8 recording_seq,
473 __u8 ana_bcast_type,
474 __u16 ana_freq,
475 __u8 bcast_system)
476 {
477 msg->len = 13;
478 msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
479 msg->msg[2] = day;
480 msg->msg[3] = month;
481 /* Hours and minutes are in BCD format */
482 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
483 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
484 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
485 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
486 msg->msg[8] = recording_seq;
487 msg->msg[9] = ana_bcast_type;
488 msg->msg[10] = ana_freq >> 8;
489 msg->msg[11] = ana_freq & 0xff;
490 msg->msg[12] = bcast_system;
491 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
492 }
493
494 static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
495 __u8 *day,
496 __u8 *month,
497 __u8 *start_hr,
498 __u8 *start_min,
499 __u8 *duration_hr,
500 __u8 *duration_min,
501 __u8 *recording_seq,
502 __u8 *ana_bcast_type,
503 __u16 *ana_freq,
504 __u8 *bcast_system)
505 {
506 *day = msg->msg[2];
507 *month = msg->msg[3];
508 /* Hours and minutes are in BCD format */
509 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
510 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
511 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
512 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
513 *recording_seq = msg->msg[8];
514 *ana_bcast_type = msg->msg[9];
515 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
516 *bcast_system = msg->msg[12];
517 }
518
519 static inline void cec_msg_clear_digital_timer(struct cec_msg *msg,
520 bool reply,
521 __u8 day,
522 __u8 month,
523 __u8 start_hr,
524 __u8 start_min,
525 __u8 duration_hr,
526 __u8 duration_min,
527 __u8 recording_seq,
528 const struct cec_op_digital_service_id *digital)
529 {
530 msg->len = 16;
531 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
532 msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
533 msg->msg[2] = day;
534 msg->msg[3] = month;
535 /* Hours and minutes are in BCD format */
536 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
537 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
538 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
539 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
540 msg->msg[8] = recording_seq;
541 cec_set_digital_service_id(msg->msg + 9, digital);
542 }
543
544 static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg,
545 __u8 *day,
546 __u8 *month,
547 __u8 *start_hr,
548 __u8 *start_min,
549 __u8 *duration_hr,
550 __u8 *duration_min,
551 __u8 *recording_seq,
552 struct cec_op_digital_service_id *digital)
553 {
554 *day = msg->msg[2];
555 *month = msg->msg[3];
556 /* Hours and minutes are in BCD format */
557 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
558 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
559 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
560 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
561 *recording_seq = msg->msg[8];
562 cec_get_digital_service_id(msg->msg + 9, digital);
563 }
564
565 static inline void cec_msg_clear_ext_timer(struct cec_msg *msg,
566 bool reply,
567 __u8 day,
568 __u8 month,
569 __u8 start_hr,
570 __u8 start_min,
571 __u8 duration_hr,
572 __u8 duration_min,
573 __u8 recording_seq,
574 __u8 ext_src_spec,
575 __u8 plug,
576 __u16 phys_addr)
577 {
578 msg->len = 13;
579 msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
580 msg->msg[2] = day;
581 msg->msg[3] = month;
582 /* Hours and minutes are in BCD format */
583 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
584 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
585 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
586 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
587 msg->msg[8] = recording_seq;
588 msg->msg[9] = ext_src_spec;
589 msg->msg[10] = plug;
590 msg->msg[11] = phys_addr >> 8;
591 msg->msg[12] = phys_addr & 0xff;
592 msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
593 }
594
595 static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg,
596 __u8 *day,
597 __u8 *month,
598 __u8 *start_hr,
599 __u8 *start_min,
600 __u8 *duration_hr,
601 __u8 *duration_min,
602 __u8 *recording_seq,
603 __u8 *ext_src_spec,
604 __u8 *plug,
605 __u16 *phys_addr)
606 {
607 *day = msg->msg[2];
608 *month = msg->msg[3];
609 /* Hours and minutes are in BCD format */
610 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
611 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
612 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
613 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
614 *recording_seq = msg->msg[8];
615 *ext_src_spec = msg->msg[9];
616 *plug = msg->msg[10];
617 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
618 }
619
620 static inline void cec_msg_set_analogue_timer(struct cec_msg *msg,
621 bool reply,
622 __u8 day,
623 __u8 month,
624 __u8 start_hr,
625 __u8 start_min,
626 __u8 duration_hr,
627 __u8 duration_min,
628 __u8 recording_seq,
629 __u8 ana_bcast_type,
630 __u16 ana_freq,
631 __u8 bcast_system)
632 {
633 msg->len = 13;
634 msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
635 msg->msg[2] = day;
636 msg->msg[3] = month;
637 /* Hours and minutes are in BCD format */
638 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
639 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
640 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
641 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
642 msg->msg[8] = recording_seq;
643 msg->msg[9] = ana_bcast_type;
644 msg->msg[10] = ana_freq >> 8;
645 msg->msg[11] = ana_freq & 0xff;
646 msg->msg[12] = bcast_system;
647 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
648 }
649
650 static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg,
651 __u8 *day,
652 __u8 *month,
653 __u8 *start_hr,
654 __u8 *start_min,
655 __u8 *duration_hr,
656 __u8 *duration_min,
657 __u8 *recording_seq,
658 __u8 *ana_bcast_type,
659 __u16 *ana_freq,
660 __u8 *bcast_system)
661 {
662 *day = msg->msg[2];
663 *month = msg->msg[3];
664 /* Hours and minutes are in BCD format */
665 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
666 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
667 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
668 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
669 *recording_seq = msg->msg[8];
670 *ana_bcast_type = msg->msg[9];
671 *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
672 *bcast_system = msg->msg[12];
673 }
674
675 static inline void cec_msg_set_digital_timer(struct cec_msg *msg,
676 bool reply,
677 __u8 day,
678 __u8 month,
679 __u8 start_hr,
680 __u8 start_min,
681 __u8 duration_hr,
682 __u8 duration_min,
683 __u8 recording_seq,
684 const struct cec_op_digital_service_id *digital)
685 {
686 msg->len = 16;
687 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
688 msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
689 msg->msg[2] = day;
690 msg->msg[3] = month;
691 /* Hours and minutes are in BCD format */
692 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
693 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
694 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
695 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
696 msg->msg[8] = recording_seq;
697 cec_set_digital_service_id(msg->msg + 9, digital);
698 }
699
700 static inline void cec_ops_set_digital_timer(const struct cec_msg *msg,
701 __u8 *day,
702 __u8 *month,
703 __u8 *start_hr,
704 __u8 *start_min,
705 __u8 *duration_hr,
706 __u8 *duration_min,
707 __u8 *recording_seq,
708 struct cec_op_digital_service_id *digital)
709 {
710 *day = msg->msg[2];
711 *month = msg->msg[3];
712 /* Hours and minutes are in BCD format */
713 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
714 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
715 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
716 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
717 *recording_seq = msg->msg[8];
718 cec_get_digital_service_id(msg->msg + 9, digital);
719 }
720
721 static inline void cec_msg_set_ext_timer(struct cec_msg *msg,
722 bool reply,
723 __u8 day,
724 __u8 month,
725 __u8 start_hr,
726 __u8 start_min,
727 __u8 duration_hr,
728 __u8 duration_min,
729 __u8 recording_seq,
730 __u8 ext_src_spec,
731 __u8 plug,
732 __u16 phys_addr)
733 {
734 msg->len = 13;
735 msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
736 msg->msg[2] = day;
737 msg->msg[3] = month;
738 /* Hours and minutes are in BCD format */
739 msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
740 msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
741 msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
742 msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
743 msg->msg[8] = recording_seq;
744 msg->msg[9] = ext_src_spec;
745 msg->msg[10] = plug;
746 msg->msg[11] = phys_addr >> 8;
747 msg->msg[12] = phys_addr & 0xff;
748 msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
749 }
750
751 static inline void cec_ops_set_ext_timer(const struct cec_msg *msg,
752 __u8 *day,
753 __u8 *month,
754 __u8 *start_hr,
755 __u8 *start_min,
756 __u8 *duration_hr,
757 __u8 *duration_min,
758 __u8 *recording_seq,
759 __u8 *ext_src_spec,
760 __u8 *plug,
761 __u16 *phys_addr)
762 {
763 *day = msg->msg[2];
764 *month = msg->msg[3];
765 /* Hours and minutes are in BCD format */
766 *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
767 *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
768 *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
769 *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
770 *recording_seq = msg->msg[8];
771 *ext_src_spec = msg->msg[9];
772 *plug = msg->msg[10];
773 *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
774 }
775
776 static inline void cec_msg_set_timer_program_title(struct cec_msg *msg,
777 const char *prog_title)
778 {
779 unsigned int len = strlen(prog_title);
780
781 if (len > 14)
782 len = 14;
783 msg->len = 2 + len;
784 msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
785 memcpy(msg->msg + 2, prog_title, len);
786 }
787
788 static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg,
789 char *prog_title)
790 {
791 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
792
793 if (len > 14)
794 len = 14;
795 memcpy(prog_title, msg->msg + 2, len);
796 prog_title[len] = '\0';
797 }
798
799 /* System Information Feature */
800 static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
801 {
802 msg->len = 3;
803 msg->msg[1] = CEC_MSG_CEC_VERSION;
804 msg->msg[2] = cec_version;
805 }
806
807 static inline void cec_ops_cec_version(const struct cec_msg *msg,
808 __u8 *cec_version)
809 {
810 *cec_version = msg->msg[2];
811 }
812
813 static inline void cec_msg_get_cec_version(struct cec_msg *msg,
814 bool reply)
815 {
816 msg->len = 2;
817 msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
818 msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
819 }
820
821 static inline void cec_msg_report_physical_addr(struct cec_msg *msg,
822 __u16 phys_addr, __u8 prim_devtype)
823 {
824 msg->len = 5;
825 msg->msg[0] |= 0xf; /* broadcast */
826 msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR;
827 msg->msg[2] = phys_addr >> 8;
828 msg->msg[3] = phys_addr & 0xff;
829 msg->msg[4] = prim_devtype;
830 }
831
832 static inline void cec_ops_report_physical_addr(const struct cec_msg *msg,
833 __u16 *phys_addr, __u8 *prim_devtype)
834 {
835 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
836 *prim_devtype = msg->msg[4];
837 }
838
839 static inline void cec_msg_give_physical_addr(struct cec_msg *msg,
840 bool reply)
841 {
842 msg->len = 2;
843 msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
844 msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
845 }
846
847 static inline void cec_msg_set_menu_language(struct cec_msg *msg,
848 const char *language)
849 {
850 msg->len = 5;
851 msg->msg[0] |= 0xf; /* broadcast */
852 msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE;
853 memcpy(msg->msg + 2, language, 3);
854 }
855
856 static inline void cec_ops_set_menu_language(const struct cec_msg *msg,
857 char *language)
858 {
859 memcpy(language, msg->msg + 2, 3);
860 language[3] = '\0';
861 }
862
863 static inline void cec_msg_get_menu_language(struct cec_msg *msg,
864 bool reply)
865 {
866 msg->len = 2;
867 msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
868 msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
869 }
870
871 /*
872 * Assumes a single RC Profile byte and a single Device Features byte,
873 * i.e. no extended features are supported by this helper function.
874 *
875 * As of CEC 2.0 no extended features are defined, should those be added
876 * in the future, then this function needs to be adapted or a new function
877 * should be added.
878 */
879 static inline void cec_msg_report_features(struct cec_msg *msg,
880 __u8 cec_version, __u8 all_device_types,
881 __u8 rc_profile, __u8 dev_features)
882 {
883 msg->len = 6;
884 msg->msg[0] |= 0xf; /* broadcast */
885 msg->msg[1] = CEC_MSG_REPORT_FEATURES;
886 msg->msg[2] = cec_version;
887 msg->msg[3] = all_device_types;
888 msg->msg[4] = rc_profile;
889 msg->msg[5] = dev_features;
890 }
891
892 static inline void cec_ops_report_features(const struct cec_msg *msg,
893 __u8 *cec_version, __u8 *all_device_types,
894 const __u8 **rc_profile, const __u8 **dev_features)
895 {
896 const __u8 *p = &msg->msg[4];
897
898 *cec_version = msg->msg[2];
899 *all_device_types = msg->msg[3];
900 *rc_profile = p;
901 while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
902 p++;
903 if (!(*p & CEC_OP_FEAT_EXT)) {
904 *dev_features = p + 1;
905 while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
906 p++;
907 }
908 if (*p & CEC_OP_FEAT_EXT)
909 *rc_profile = *dev_features = NULL;
910 }
911
912 static inline void cec_msg_give_features(struct cec_msg *msg,
913 bool reply)
914 {
915 msg->len = 2;
916 msg->msg[1] = CEC_MSG_GIVE_FEATURES;
917 msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
918 }
919
920 /* Deck Control Feature */
921 static inline void cec_msg_deck_control(struct cec_msg *msg,
922 __u8 deck_control_mode)
923 {
924 msg->len = 3;
925 msg->msg[1] = CEC_MSG_DECK_CONTROL;
926 msg->msg[2] = deck_control_mode;
927 }
928
929 static inline void cec_ops_deck_control(const struct cec_msg *msg,
930 __u8 *deck_control_mode)
931 {
932 *deck_control_mode = msg->msg[2];
933 }
934
935 static inline void cec_msg_deck_status(struct cec_msg *msg,
936 __u8 deck_info)
937 {
938 msg->len = 3;
939 msg->msg[1] = CEC_MSG_DECK_STATUS;
940 msg->msg[2] = deck_info;
941 }
942
943 static inline void cec_ops_deck_status(const struct cec_msg *msg,
944 __u8 *deck_info)
945 {
946 *deck_info = msg->msg[2];
947 }
948
949 static inline void cec_msg_give_deck_status(struct cec_msg *msg,
950 bool reply,
951 __u8 status_req)
952 {
953 msg->len = 3;
954 msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
955 msg->msg[2] = status_req;
956 msg->reply = reply ? CEC_MSG_DECK_STATUS : 0;
957 }
958
959 static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
960 __u8 *status_req)
961 {
962 *status_req = msg->msg[2];
963 }
964
965 static inline void cec_msg_play(struct cec_msg *msg,
966 __u8 play_mode)
967 {
968 msg->len = 3;
969 msg->msg[1] = CEC_MSG_PLAY;
970 msg->msg[2] = play_mode;
971 }
972
973 static inline void cec_ops_play(const struct cec_msg *msg,
974 __u8 *play_mode)
975 {
976 *play_mode = msg->msg[2];
977 }
978
979
980 /* Tuner Control Feature */
981 struct cec_op_tuner_device_info {
982 __u8 rec_flag;
983 __u8 tuner_display_info;
984 bool is_analog;
985 union {
986 struct cec_op_digital_service_id digital;
987 struct {
988 __u8 ana_bcast_type;
989 __u16 ana_freq;
990 __u8 bcast_system;
991 } analog;
992 };
993 };
994
995 static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
996 __u8 rec_flag,
997 __u8 tuner_display_info,
998 __u8 ana_bcast_type,
999 __u16 ana_freq,
1000 __u8 bcast_system)
1001 {
1002 msg->len = 7;
1003 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
1004 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
1005 msg->msg[3] = ana_bcast_type;
1006 msg->msg[4] = ana_freq >> 8;
1007 msg->msg[5] = ana_freq & 0xff;
1008 msg->msg[6] = bcast_system;
1009 }
1010
1011 static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg,
1012 __u8 rec_flag, __u8 tuner_display_info,
1013 const struct cec_op_digital_service_id *digital)
1014 {
1015 msg->len = 10;
1016 msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
1017 msg->msg[2] = (rec_flag << 7) | tuner_display_info;
1018 cec_set_digital_service_id(msg->msg + 3, digital);
1019 }
1020
1021 static inline void cec_msg_tuner_device_status(struct cec_msg *msg,
1022 const struct cec_op_tuner_device_info *tuner_dev_info)
1023 {
1024 if (tuner_dev_info->is_analog)
1025 cec_msg_tuner_device_status_analog(msg,
1026 tuner_dev_info->rec_flag,
1027 tuner_dev_info->tuner_display_info,
1028 tuner_dev_info->analog.ana_bcast_type,
1029 tuner_dev_info->analog.ana_freq,
1030 tuner_dev_info->analog.bcast_system);
1031 else
1032 cec_msg_tuner_device_status_digital(msg,
1033 tuner_dev_info->rec_flag,
1034 tuner_dev_info->tuner_display_info,
1035 &tuner_dev_info->digital);
1036 }
1037
1038 static inline void cec_ops_tuner_device_status(const struct cec_msg *msg,
1039 struct cec_op_tuner_device_info *tuner_dev_info)
1040 {
1041 tuner_dev_info->is_analog = msg->len < 10;
1042 tuner_dev_info->rec_flag = msg->msg[2] >> 7;
1043 tuner_dev_info->tuner_display_info = msg->msg[2] & 0x7f;
1044 if (tuner_dev_info->is_analog) {
1045 tuner_dev_info->analog.ana_bcast_type = msg->msg[3];
1046 tuner_dev_info->analog.ana_freq = (msg->msg[4] << 8) | msg->msg[5];
1047 tuner_dev_info->analog.bcast_system = msg->msg[6];
1048 return;
1049 }
1050 cec_get_digital_service_id(msg->msg + 3, &tuner_dev_info->digital);
1051 }
1052
1053 static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg,
1054 bool reply,
1055 __u8 status_req)
1056 {
1057 msg->len = 3;
1058 msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS;
1059 msg->msg[2] = status_req;
1060 msg->reply = reply ? CEC_MSG_TUNER_DEVICE_STATUS : 0;
1061 }
1062
1063 static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg,
1064 __u8 *status_req)
1065 {
1066 *status_req = msg->msg[2];
1067 }
1068
1069 static inline void cec_msg_select_analogue_service(struct cec_msg *msg,
1070 __u8 ana_bcast_type,
1071 __u16 ana_freq,
1072 __u8 bcast_system)
1073 {
1074 msg->len = 6;
1075 msg->msg[1] = CEC_MSG_SELECT_ANALOGUE_SERVICE;
1076 msg->msg[2] = ana_bcast_type;
1077 msg->msg[3] = ana_freq >> 8;
1078 msg->msg[4] = ana_freq & 0xff;
1079 msg->msg[5] = bcast_system;
1080 }
1081
1082 static inline void cec_ops_select_analogue_service(const struct cec_msg *msg,
1083 __u8 *ana_bcast_type,
1084 __u16 *ana_freq,
1085 __u8 *bcast_system)
1086 {
1087 *ana_bcast_type = msg->msg[2];
1088 *ana_freq = (msg->msg[3] << 8) | msg->msg[4];
1089 *bcast_system = msg->msg[5];
1090 }
1091
1092 static inline void cec_msg_select_digital_service(struct cec_msg *msg,
1093 const struct cec_op_digital_service_id *digital)
1094 {
1095 msg->len = 9;
1096 msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE;
1097 cec_set_digital_service_id(msg->msg + 2, digital);
1098 }
1099
1100 static inline void cec_ops_select_digital_service(const struct cec_msg *msg,
1101 struct cec_op_digital_service_id *digital)
1102 {
1103 cec_get_digital_service_id(msg->msg + 2, digital);
1104 }
1105
1106 static inline void cec_msg_tuner_step_decrement(struct cec_msg *msg)
1107 {
1108 msg->len = 2;
1109 msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;
1110 }
1111
1112 static inline void cec_msg_tuner_step_increment(struct cec_msg *msg)
1113 {
1114 msg->len = 2;
1115 msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT;
1116 }
1117
1118
1119 /* Vendor Specific Commands Feature */
1120 static inline void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id)
1121 {
1122 msg->len = 5;
1123 msg->msg[0] |= 0xf; /* broadcast */
1124 msg->msg[1] = CEC_MSG_DEVICE_VENDOR_ID;
1125 msg->msg[2] = vendor_id >> 16;
1126 msg->msg[3] = (vendor_id >> 8) & 0xff;
1127 msg->msg[4] = vendor_id & 0xff;
1128 }
1129
1130 static inline void cec_ops_device_vendor_id(const struct cec_msg *msg,
1131 __u32 *vendor_id)
1132 {
1133 *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1134 }
1135
1136 static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
1137 bool reply)
1138 {
1139 msg->len = 2;
1140 msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID;
1141 msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
1142 }
1143
1144 static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
1145 {
1146 msg->len = 2;
1147 msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP;
1148 }
1149
1150
1151 /* OSD Display Feature */
1152 static inline void cec_msg_set_osd_string(struct cec_msg *msg,
1153 __u8 disp_ctl,
1154 const char *osd)
1155 {
1156 unsigned int len = strlen(osd);
1157
1158 if (len > 13)
1159 len = 13;
1160 msg->len = 3 + len;
1161 msg->msg[1] = CEC_MSG_SET_OSD_STRING;
1162 msg->msg[2] = disp_ctl;
1163 memcpy(msg->msg + 3, osd, len);
1164 }
1165
1166 static inline void cec_ops_set_osd_string(const struct cec_msg *msg,
1167 __u8 *disp_ctl,
1168 char *osd)
1169 {
1170 unsigned int len = msg->len > 3 ? msg->len - 3 : 0;
1171
1172 *disp_ctl = msg->msg[2];
1173 if (len > 13)
1174 len = 13;
1175 memcpy(osd, msg->msg + 3, len);
1176 osd[len] = '\0';
1177 }
1178
1179
1180 /* Device OSD Transfer Feature */
1181 static inline void cec_msg_set_osd_name(struct cec_msg *msg, const char *name)
1182 {
1183 unsigned int len = strlen(name);
1184
1185 if (len > 14)
1186 len = 14;
1187 msg->len = 2 + len;
1188 msg->msg[1] = CEC_MSG_SET_OSD_NAME;
1189 memcpy(msg->msg + 2, name, len);
1190 }
1191
1192 static inline void cec_ops_set_osd_name(const struct cec_msg *msg,
1193 char *name)
1194 {
1195 unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
1196
1197 if (len > 14)
1198 len = 14;
1199 memcpy(name, msg->msg + 2, len);
1200 name[len] = '\0';
1201 }
1202
1203 static inline void cec_msg_give_osd_name(struct cec_msg *msg,
1204 bool reply)
1205 {
1206 msg->len = 2;
1207 msg->msg[1] = CEC_MSG_GIVE_OSD_NAME;
1208 msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0;
1209 }
1210
1211
1212 /* Device Menu Control Feature */
1213 static inline void cec_msg_menu_status(struct cec_msg *msg,
1214 __u8 menu_state)
1215 {
1216 msg->len = 3;
1217 msg->msg[1] = CEC_MSG_MENU_STATUS;
1218 msg->msg[2] = menu_state;
1219 }
1220
1221 static inline void cec_ops_menu_status(const struct cec_msg *msg,
1222 __u8 *menu_state)
1223 {
1224 *menu_state = msg->msg[2];
1225 }
1226
1227 static inline void cec_msg_menu_request(struct cec_msg *msg,
1228 bool reply,
1229 __u8 menu_req)
1230 {
1231 msg->len = 3;
1232 msg->msg[1] = CEC_MSG_MENU_REQUEST;
1233 msg->msg[2] = menu_req;
1234 msg->reply = reply ? CEC_MSG_MENU_STATUS : 0;
1235 }
1236
1237 static inline void cec_ops_menu_request(const struct cec_msg *msg,
1238 __u8 *menu_req)
1239 {
1240 *menu_req = msg->msg[2];
1241 }
1242
1243 struct cec_op_ui_command {
1244 __u8 ui_cmd;
1245 bool has_opt_arg;
1246 union {
1247 struct cec_op_channel_data channel_identifier;
1248 __u8 ui_broadcast_type;
1249 __u8 ui_sound_presentation_control;
1250 __u8 play_mode;
1251 __u8 ui_function_media;
1252 __u8 ui_function_select_av_input;
1253 __u8 ui_function_select_audio_input;
1254 };
1255 };
1256
1257 static inline void cec_msg_user_control_pressed(struct cec_msg *msg,
1258 const struct cec_op_ui_command *ui_cmd)
1259 {
1260 msg->len = 3;
1261 msg->msg[1] = CEC_MSG_USER_CONTROL_PRESSED;
1262 msg->msg[2] = ui_cmd->ui_cmd;
1263 if (!ui_cmd->has_opt_arg)
1264 return;
1265 switch (ui_cmd->ui_cmd) {
1266 case 0x56:
1267 case 0x57:
1268 case 0x60:
1269 case 0x68:
1270 case 0x69:
1271 case 0x6a:
1272 /* The optional operand is one byte for all these ui commands */
1273 msg->len++;
1274 msg->msg[3] = ui_cmd->play_mode;
1275 break;
1276 case 0x67:
1277 msg->len += 4;
1278 msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
1279 (ui_cmd->channel_identifier.major >> 8);
1280 msg->msg[4] = ui_cmd->channel_identifier.major && 0xff;
1281 msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
1282 msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
1283 break;
1284 }
1285 }
1286
1287 static inline void cec_ops_user_control_pressed(const struct cec_msg *msg,
1288 struct cec_op_ui_command *ui_cmd)
1289 {
1290 ui_cmd->ui_cmd = msg->msg[2];
1291 ui_cmd->has_opt_arg = false;
1292 if (msg->len == 3)
1293 return;
1294 switch (ui_cmd->ui_cmd) {
1295 case 0x56:
1296 case 0x57:
1297 case 0x60:
1298 case 0x68:
1299 case 0x69:
1300 case 0x6a:
1301 /* The optional operand is one byte for all these ui commands */
1302 ui_cmd->play_mode = msg->msg[3];
1303 ui_cmd->has_opt_arg = true;
1304 break;
1305 case 0x67:
1306 if (msg->len < 7)
1307 break;
1308 ui_cmd->has_opt_arg = true;
1309 ui_cmd->channel_identifier.channel_number_fmt = msg->msg[3] >> 2;
1310 ui_cmd->channel_identifier.major = ((msg->msg[3] & 3) << 6) | msg->msg[4];
1311 ui_cmd->channel_identifier.minor = (msg->msg[5] << 8) | msg->msg[6];
1312 break;
1313 }
1314 }
1315
1316 static inline void cec_msg_user_control_released(struct cec_msg *msg)
1317 {
1318 msg->len = 2;
1319 msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED;
1320 }
1321
1322 /* Remote Control Passthrough Feature */
1323
1324 /* Power Status Feature */
1325 static inline void cec_msg_report_power_status(struct cec_msg *msg,
1326 __u8 pwr_state)
1327 {
1328 msg->len = 3;
1329 msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS;
1330 msg->msg[2] = pwr_state;
1331 }
1332
1333 static inline void cec_ops_report_power_status(const struct cec_msg *msg,
1334 __u8 *pwr_state)
1335 {
1336 *pwr_state = msg->msg[2];
1337 }
1338
1339 static inline void cec_msg_give_device_power_status(struct cec_msg *msg,
1340 bool reply)
1341 {
1342 msg->len = 2;
1343 msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS;
1344 msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0;
1345 }
1346
1347 /* General Protocol Messages */
1348 static inline void cec_msg_feature_abort(struct cec_msg *msg,
1349 __u8 abort_msg, __u8 reason)
1350 {
1351 msg->len = 4;
1352 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1353 msg->msg[2] = abort_msg;
1354 msg->msg[3] = reason;
1355 }
1356
1357 static inline void cec_ops_feature_abort(const struct cec_msg *msg,
1358 __u8 *abort_msg, __u8 *reason)
1359 {
1360 *abort_msg = msg->msg[2];
1361 *reason = msg->msg[3];
1362 }
1363
1364 /* This changes the current message into a feature abort message */
1365 static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1366 {
1367 cec_msg_set_reply_to(msg, msg);
1368 msg->len = 4;
1369 msg->msg[2] = msg->msg[1];
1370 msg->msg[3] = reason;
1371 msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1372 }
1373
1374 static inline void cec_msg_abort(struct cec_msg *msg)
1375 {
1376 msg->len = 2;
1377 msg->msg[1] = CEC_MSG_ABORT;
1378 }
1379
1380
1381 /* System Audio Control Feature */
1382 static inline void cec_msg_report_audio_status(struct cec_msg *msg,
1383 __u8 aud_mute_status,
1384 __u8 aud_vol_status)
1385 {
1386 msg->len = 3;
1387 msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS;
1388 msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f);
1389 }
1390
1391 static inline void cec_ops_report_audio_status(const struct cec_msg *msg,
1392 __u8 *aud_mute_status,
1393 __u8 *aud_vol_status)
1394 {
1395 *aud_mute_status = msg->msg[2] >> 7;
1396 *aud_vol_status = msg->msg[2] & 0x7f;
1397 }
1398
1399 static inline void cec_msg_give_audio_status(struct cec_msg *msg,
1400 bool reply)
1401 {
1402 msg->len = 2;
1403 msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS;
1404 msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0;
1405 }
1406
1407 static inline void cec_msg_set_system_audio_mode(struct cec_msg *msg,
1408 __u8 sys_aud_status)
1409 {
1410 msg->len = 3;
1411 msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE;
1412 msg->msg[2] = sys_aud_status;
1413 }
1414
1415 static inline void cec_ops_set_system_audio_mode(const struct cec_msg *msg,
1416 __u8 *sys_aud_status)
1417 {
1418 *sys_aud_status = msg->msg[2];
1419 }
1420
1421 static inline void cec_msg_system_audio_mode_request(struct cec_msg *msg,
1422 bool reply,
1423 __u16 phys_addr)
1424 {
1425 msg->len = phys_addr == 0xffff ? 2 : 4;
1426 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST;
1427 msg->msg[2] = phys_addr >> 8;
1428 msg->msg[3] = phys_addr & 0xff;
1429 msg->reply = reply ? CEC_MSG_SET_SYSTEM_AUDIO_MODE : 0;
1430
1431 }
1432
1433 static inline void cec_ops_system_audio_mode_request(const struct cec_msg *msg,
1434 __u16 *phys_addr)
1435 {
1436 if (msg->len < 4)
1437 *phys_addr = 0xffff;
1438 else
1439 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1440 }
1441
1442 static inline void cec_msg_system_audio_mode_status(struct cec_msg *msg,
1443 __u8 sys_aud_status)
1444 {
1445 msg->len = 3;
1446 msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
1447 msg->msg[2] = sys_aud_status;
1448 }
1449
1450 static inline void cec_ops_system_audio_mode_status(const struct cec_msg *msg,
1451 __u8 *sys_aud_status)
1452 {
1453 *sys_aud_status = msg->msg[2];
1454 }
1455
1456 static inline void cec_msg_give_system_audio_mode_status(struct cec_msg *msg,
1457 bool reply)
1458 {
1459 msg->len = 2;
1460 msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;
1461 msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;
1462 }
1463
1464 static inline void cec_msg_report_short_audio_descriptor(struct cec_msg *msg,
1465 __u8 num_descriptors,
1466 const __u32 *descriptors)
1467 {
1468 unsigned int i;
1469
1470 if (num_descriptors > 4)
1471 num_descriptors = 4;
1472 msg->len = 2 + num_descriptors * 3;
1473 msg->msg[1] = CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR;
1474 for (i = 0; i < num_descriptors; i++) {
1475 msg->msg[2 + i * 3] = (descriptors[i] >> 16) & 0xff;
1476 msg->msg[3 + i * 3] = (descriptors[i] >> 8) & 0xff;
1477 msg->msg[4 + i * 3] = descriptors[i] & 0xff;
1478 }
1479 }
1480
1481 static inline void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg,
1482 __u8 *num_descriptors,
1483 __u32 *descriptors)
1484 {
1485 unsigned int i;
1486
1487 *num_descriptors = (msg->len - 2) / 3;
1488 if (*num_descriptors > 4)
1489 *num_descriptors = 4;
1490 for (i = 0; i < *num_descriptors; i++)
1491 descriptors[i] = (msg->msg[2 + i * 3] << 16) |
1492 (msg->msg[3 + i * 3] << 8) |
1493 msg->msg[4 + i * 3];
1494 }
1495
1496 static inline void cec_msg_request_short_audio_descriptor(struct cec_msg *msg,
1497 bool reply,
1498 __u8 num_descriptors,
1499 const __u8 *audio_format_id,
1500 const __u8 *audio_format_code)
1501 {
1502 unsigned int i;
1503
1504 if (num_descriptors > 4)
1505 num_descriptors = 4;
1506 msg->len = 2 + num_descriptors;
1507 msg->msg[1] = CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR;
1508 msg->reply = reply ? CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR : 0;
1509 for (i = 0; i < num_descriptors; i++)
1510 msg->msg[2 + i] = (audio_format_id[i] << 6) |
1511 (audio_format_code[i] & 0x3f);
1512 }
1513
1514 static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg *msg,
1515 __u8 *num_descriptors,
1516 __u8 *audio_format_id,
1517 __u8 *audio_format_code)
1518 {
1519 unsigned int i;
1520
1521 *num_descriptors = msg->len - 2;
1522 if (*num_descriptors > 4)
1523 *num_descriptors = 4;
1524 for (i = 0; i < *num_descriptors; i++) {
1525 audio_format_id[i] = msg->msg[2 + i] >> 6;
1526 audio_format_code[i] = msg->msg[2 + i] & 0x3f;
1527 }
1528 }
1529
1530
1531 /* Audio Rate Control Feature */
1532 static inline void cec_msg_set_audio_rate(struct cec_msg *msg,
1533 __u8 audio_rate)
1534 {
1535 msg->len = 3;
1536 msg->msg[1] = CEC_MSG_SET_AUDIO_RATE;
1537 msg->msg[2] = audio_rate;
1538 }
1539
1540 static inline void cec_ops_set_audio_rate(const struct cec_msg *msg,
1541 __u8 *audio_rate)
1542 {
1543 *audio_rate = msg->msg[2];
1544 }
1545
1546
1547 /* Audio Return Channel Control Feature */
1548 static inline void cec_msg_report_arc_initiated(struct cec_msg *msg)
1549 {
1550 msg->len = 2;
1551 msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED;
1552 }
1553
1554 static inline void cec_msg_initiate_arc(struct cec_msg *msg,
1555 bool reply)
1556 {
1557 msg->len = 2;
1558 msg->msg[1] = CEC_MSG_INITIATE_ARC;
1559 msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0;
1560 }
1561
1562 static inline void cec_msg_request_arc_initiation(struct cec_msg *msg,
1563 bool reply)
1564 {
1565 msg->len = 2;
1566 msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION;
1567 msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0;
1568 }
1569
1570 static inline void cec_msg_report_arc_terminated(struct cec_msg *msg)
1571 {
1572 msg->len = 2;
1573 msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED;
1574 }
1575
1576 static inline void cec_msg_terminate_arc(struct cec_msg *msg,
1577 bool reply)
1578 {
1579 msg->len = 2;
1580 msg->msg[1] = CEC_MSG_TERMINATE_ARC;
1581 msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0;
1582 }
1583
1584 static inline void cec_msg_request_arc_termination(struct cec_msg *msg,
1585 bool reply)
1586 {
1587 msg->len = 2;
1588 msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION;
1589 msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0;
1590 }
1591
1592
1593 /* Dynamic Audio Lipsync Feature */
1594 /* Only for CEC 2.0 and up */
1595 static inline void cec_msg_report_current_latency(struct cec_msg *msg,
1596 __u16 phys_addr,
1597 __u8 video_latency,
1598 __u8 low_latency_mode,
1599 __u8 audio_out_compensated,
1600 __u8 audio_out_delay)
1601 {
1602 msg->len = 7;
1603 msg->msg[0] |= 0xf; /* broadcast */
1604 msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY;
1605 msg->msg[2] = phys_addr >> 8;
1606 msg->msg[3] = phys_addr & 0xff;
1607 msg->msg[4] = video_latency;
1608 msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated;
1609 msg->msg[6] = audio_out_delay;
1610 }
1611
1612 static inline void cec_ops_report_current_latency(const struct cec_msg *msg,
1613 __u16 *phys_addr,
1614 __u8 *video_latency,
1615 __u8 *low_latency_mode,
1616 __u8 *audio_out_compensated,
1617 __u8 *audio_out_delay)
1618 {
1619 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1620 *video_latency = msg->msg[4];
1621 *low_latency_mode = (msg->msg[5] >> 2) & 1;
1622 *audio_out_compensated = msg->msg[5] & 3;
1623 *audio_out_delay = msg->msg[6];
1624 }
1625
1626 static inline void cec_msg_request_current_latency(struct cec_msg *msg,
1627 bool reply,
1628 __u16 phys_addr)
1629 {
1630 msg->len = 4;
1631 msg->msg[0] |= 0xf; /* broadcast */
1632 msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY;
1633 msg->msg[2] = phys_addr >> 8;
1634 msg->msg[3] = phys_addr & 0xff;
1635 msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0;
1636 }
1637
1638 static inline void cec_ops_request_current_latency(const struct cec_msg *msg,
1639 __u16 *phys_addr)
1640 {
1641 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1642 }
1643
1644
1645 /* Capability Discovery and Control Feature */
1646 static inline void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg,
1647 __u16 phys_addr1,
1648 __u16 phys_addr2)
1649 {
1650 msg->len = 9;
1651 msg->msg[0] |= 0xf; /* broadcast */
1652 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1653 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1654 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1655 msg->msg[5] = phys_addr1 >> 8;
1656 msg->msg[6] = phys_addr1 & 0xff;
1657 msg->msg[7] = phys_addr2 >> 8;
1658 msg->msg[8] = phys_addr2 & 0xff;
1659 }
1660
1661 static inline void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg,
1662 __u16 *phys_addr,
1663 __u16 *phys_addr1,
1664 __u16 *phys_addr2)
1665 {
1666 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1667 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1668 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1669 }
1670
1671 static inline void cec_msg_cdc_hec_report_state(struct cec_msg *msg,
1672 __u16 target_phys_addr,
1673 __u8 hec_func_state,
1674 __u8 host_func_state,
1675 __u8 enc_func_state,
1676 __u8 cdc_errcode,
1677 __u8 has_field,
1678 __u16 hec_field)
1679 {
1680 msg->len = has_field ? 10 : 8;
1681 msg->msg[0] |= 0xf; /* broadcast */
1682 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1683 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1684 msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE;
1685 msg->msg[5] = target_phys_addr >> 8;
1686 msg->msg[6] = target_phys_addr & 0xff;
1687 msg->msg[7] = (hec_func_state << 6) |
1688 (host_func_state << 4) |
1689 (enc_func_state << 2) |
1690 cdc_errcode;
1691 if (has_field) {
1692 msg->msg[8] = hec_field >> 8;
1693 msg->msg[9] = hec_field & 0xff;
1694 }
1695 }
1696
1697 static inline void cec_ops_cdc_hec_report_state(const struct cec_msg *msg,
1698 __u16 *phys_addr,
1699 __u16 *target_phys_addr,
1700 __u8 *hec_func_state,
1701 __u8 *host_func_state,
1702 __u8 *enc_func_state,
1703 __u8 *cdc_errcode,
1704 __u8 *has_field,
1705 __u16 *hec_field)
1706 {
1707 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1708 *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6];
1709 *hec_func_state = msg->msg[7] >> 6;
1710 *host_func_state = (msg->msg[7] >> 4) & 3;
1711 *enc_func_state = (msg->msg[7] >> 4) & 3;
1712 *cdc_errcode = msg->msg[7] & 3;
1713 *has_field = msg->len >= 10;
1714 *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0;
1715 }
1716
1717 static inline void cec_msg_cdc_hec_set_state(struct cec_msg *msg,
1718 __u16 phys_addr1,
1719 __u16 phys_addr2,
1720 __u8 hec_set_state,
1721 __u16 phys_addr3,
1722 __u16 phys_addr4,
1723 __u16 phys_addr5)
1724 {
1725 msg->len = 10;
1726 msg->msg[0] |= 0xf; /* broadcast */
1727 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1728 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1729 msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1730 msg->msg[5] = phys_addr1 >> 8;
1731 msg->msg[6] = phys_addr1 & 0xff;
1732 msg->msg[7] = phys_addr2 >> 8;
1733 msg->msg[8] = phys_addr2 & 0xff;
1734 msg->msg[9] = hec_set_state;
1735 if (phys_addr3 != CEC_PHYS_ADDR_INVALID) {
1736 msg->msg[msg->len++] = phys_addr3 >> 8;
1737 msg->msg[msg->len++] = phys_addr3 & 0xff;
1738 if (phys_addr4 != CEC_PHYS_ADDR_INVALID) {
1739 msg->msg[msg->len++] = phys_addr4 >> 8;
1740 msg->msg[msg->len++] = phys_addr4 & 0xff;
1741 if (phys_addr5 != CEC_PHYS_ADDR_INVALID) {
1742 msg->msg[msg->len++] = phys_addr5 >> 8;
1743 msg->msg[msg->len++] = phys_addr5 & 0xff;
1744 }
1745 }
1746 }
1747 }
1748
1749 static inline void cec_ops_cdc_hec_set_state(const struct cec_msg *msg,
1750 __u16 *phys_addr,
1751 __u16 *phys_addr1,
1752 __u16 *phys_addr2,
1753 __u8 *hec_set_state,
1754 __u16 *phys_addr3,
1755 __u16 *phys_addr4,
1756 __u16 *phys_addr5)
1757 {
1758 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1759 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1760 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1761 *hec_set_state = msg->msg[9];
1762 *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID;
1763 if (msg->len >= 12)
1764 *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11];
1765 if (msg->len >= 14)
1766 *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13];
1767 if (msg->len >= 16)
1768 *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15];
1769 }
1770
1771 static inline void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg,
1772 __u16 phys_addr1,
1773 __u8 hec_set_state)
1774 {
1775 msg->len = 8;
1776 msg->msg[0] |= 0xf; /* broadcast */
1777 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1778 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1779 msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT;
1780 msg->msg[5] = phys_addr1 >> 8;
1781 msg->msg[6] = phys_addr1 & 0xff;
1782 msg->msg[7] = hec_set_state;
1783 }
1784
1785 static inline void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg,
1786 __u16 *phys_addr,
1787 __u16 *phys_addr1,
1788 __u8 *hec_set_state)
1789 {
1790 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1791 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1792 *hec_set_state = msg->msg[7];
1793 }
1794
1795 static inline void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg,
1796 __u16 phys_addr1,
1797 __u16 phys_addr2,
1798 __u16 phys_addr3)
1799 {
1800 msg->len = 11;
1801 msg->msg[0] |= 0xf; /* broadcast */
1802 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1803 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1804 msg->msg[4] = CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION;
1805 msg->msg[5] = phys_addr1 >> 8;
1806 msg->msg[6] = phys_addr1 & 0xff;
1807 msg->msg[7] = phys_addr2 >> 8;
1808 msg->msg[8] = phys_addr2 & 0xff;
1809 msg->msg[9] = phys_addr3 >> 8;
1810 msg->msg[10] = phys_addr3 & 0xff;
1811 }
1812
1813 static inline void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg,
1814 __u16 *phys_addr,
1815 __u16 *phys_addr1,
1816 __u16 *phys_addr2,
1817 __u16 *phys_addr3)
1818 {
1819 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1820 *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1821 *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1822 *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10];
1823 }
1824
1825 static inline void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg)
1826 {
1827 msg->len = 5;
1828 msg->msg[0] |= 0xf; /* broadcast */
1829 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1830 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1831 msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE;
1832 }
1833
1834 static inline void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg,
1835 __u16 *phys_addr)
1836 {
1837 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1838 }
1839
1840 static inline void cec_msg_cdc_hec_discover(struct cec_msg *msg)
1841 {
1842 msg->len = 5;
1843 msg->msg[0] |= 0xf; /* broadcast */
1844 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1845 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1846 msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER;
1847 }
1848
1849 static inline void cec_ops_cdc_hec_discover(const struct cec_msg *msg,
1850 __u16 *phys_addr)
1851 {
1852 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1853 }
1854
1855 static inline void cec_msg_cdc_hpd_set_state(struct cec_msg *msg,
1856 __u8 input_port,
1857 __u8 hpd_state)
1858 {
1859 msg->len = 6;
1860 msg->msg[0] |= 0xf; /* broadcast */
1861 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1862 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1863 msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE;
1864 msg->msg[5] = (input_port << 4) | hpd_state;
1865 }
1866
1867 static inline void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg,
1868 __u16 *phys_addr,
1869 __u8 *input_port,
1870 __u8 *hpd_state)
1871 {
1872 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1873 *input_port = msg->msg[5] >> 4;
1874 *hpd_state = msg->msg[5] & 0xf;
1875 }
1876
1877 static inline void cec_msg_cdc_hpd_report_state(struct cec_msg *msg,
1878 __u8 hpd_state,
1879 __u8 hpd_error)
1880 {
1881 msg->len = 6;
1882 msg->msg[0] |= 0xf; /* broadcast */
1883 msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1884 /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1885 msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE;
1886 msg->msg[5] = (hpd_state << 4) | hpd_error;
1887 }
1888
1889 static inline void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg,
1890 __u16 *phys_addr,
1891 __u8 *hpd_state,
1892 __u8 *hpd_error)
1893 {
1894 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1895 *hpd_state = msg->msg[5] >> 4;
1896 *hpd_error = msg->msg[5] & 0xf;
1897 }
1898
1899 #endif
Linux kernel - Deliverables
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