1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ |
2 | /* |
3 | * cec - HDMI Consumer Electronics Control message functions |
4 | * |
5 | * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
6 | */ |
7 | |
8 | #ifndef _CEC_UAPI_FUNCS_H |
9 | #define _CEC_UAPI_FUNCS_H |
10 | |
11 | #include <linux/cec.h> |
12 | |
13 | /* One Touch Play Feature */ |
14 | static inline void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr) |
15 | { |
16 | msg->len = 4; |
17 | msg->msg[0] |= 0xf; /* broadcast */ |
18 | msg->msg[1] = CEC_MSG_ACTIVE_SOURCE; |
19 | msg->msg[2] = phys_addr >> 8; |
20 | msg->msg[3] = phys_addr & 0xff; |
21 | } |
22 | |
23 | static inline void cec_ops_active_source(const struct cec_msg *msg, |
24 | __u16 *phys_addr) |
25 | { |
26 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
27 | } |
28 | |
29 | static inline void cec_msg_image_view_on(struct cec_msg *msg) |
30 | { |
31 | msg->len = 2; |
32 | msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON; |
33 | } |
34 | |
35 | static inline void cec_msg_text_view_on(struct cec_msg *msg) |
36 | { |
37 | msg->len = 2; |
38 | msg->msg[1] = CEC_MSG_TEXT_VIEW_ON; |
39 | } |
40 | |
41 | |
42 | /* Routing Control Feature */ |
43 | static inline void cec_msg_inactive_source(struct cec_msg *msg, |
44 | __u16 phys_addr) |
45 | { |
46 | msg->len = 4; |
47 | msg->msg[1] = CEC_MSG_INACTIVE_SOURCE; |
48 | msg->msg[2] = phys_addr >> 8; |
49 | msg->msg[3] = phys_addr & 0xff; |
50 | } |
51 | |
52 | static inline void cec_ops_inactive_source(const struct cec_msg *msg, |
53 | __u16 *phys_addr) |
54 | { |
55 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
56 | } |
57 | |
58 | static inline void cec_msg_request_active_source(struct cec_msg *msg, |
59 | int reply) |
60 | { |
61 | msg->len = 2; |
62 | msg->msg[0] |= 0xf; /* broadcast */ |
63 | msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE; |
64 | msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0; |
65 | } |
66 | |
67 | static inline void cec_msg_routing_information(struct cec_msg *msg, |
68 | __u16 phys_addr) |
69 | { |
70 | msg->len = 4; |
71 | msg->msg[0] |= 0xf; /* broadcast */ |
72 | msg->msg[1] = CEC_MSG_ROUTING_INFORMATION; |
73 | msg->msg[2] = phys_addr >> 8; |
74 | msg->msg[3] = phys_addr & 0xff; |
75 | } |
76 | |
77 | static inline void cec_ops_routing_information(const struct cec_msg *msg, |
78 | __u16 *phys_addr) |
79 | { |
80 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
81 | } |
82 | |
83 | static inline void cec_msg_routing_change(struct cec_msg *msg, |
84 | int reply, |
85 | __u16 orig_phys_addr, |
86 | __u16 new_phys_addr) |
87 | { |
88 | msg->len = 6; |
89 | msg->msg[0] |= 0xf; /* broadcast */ |
90 | msg->msg[1] = CEC_MSG_ROUTING_CHANGE; |
91 | msg->msg[2] = orig_phys_addr >> 8; |
92 | msg->msg[3] = orig_phys_addr & 0xff; |
93 | msg->msg[4] = new_phys_addr >> 8; |
94 | msg->msg[5] = new_phys_addr & 0xff; |
95 | msg->reply = reply ? CEC_MSG_ROUTING_INFORMATION : 0; |
96 | } |
97 | |
98 | static inline void cec_ops_routing_change(const struct cec_msg *msg, |
99 | __u16 *orig_phys_addr, |
100 | __u16 *new_phys_addr) |
101 | { |
102 | *orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
103 | *new_phys_addr = (msg->msg[4] << 8) | msg->msg[5]; |
104 | } |
105 | |
106 | static inline void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr) |
107 | { |
108 | msg->len = 4; |
109 | msg->msg[0] |= 0xf; /* broadcast */ |
110 | msg->msg[1] = CEC_MSG_SET_STREAM_PATH; |
111 | msg->msg[2] = phys_addr >> 8; |
112 | msg->msg[3] = phys_addr & 0xff; |
113 | } |
114 | |
115 | static inline void cec_ops_set_stream_path(const struct cec_msg *msg, |
116 | __u16 *phys_addr) |
117 | { |
118 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
119 | } |
120 | |
121 | |
122 | /* Standby Feature */ |
123 | static inline void cec_msg_standby(struct cec_msg *msg) |
124 | { |
125 | msg->len = 2; |
126 | msg->msg[1] = CEC_MSG_STANDBY; |
127 | } |
128 | |
129 | |
130 | /* One Touch Record Feature */ |
131 | static inline void cec_msg_record_off(struct cec_msg *msg, int reply) |
132 | { |
133 | msg->len = 2; |
134 | msg->msg[1] = CEC_MSG_RECORD_OFF; |
135 | msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; |
136 | } |
137 | |
138 | struct cec_op_arib_data { |
139 | __u16 transport_id; |
140 | __u16 service_id; |
141 | __u16 orig_network_id; |
142 | }; |
143 | |
144 | struct cec_op_atsc_data { |
145 | __u16 transport_id; |
146 | __u16 program_number; |
147 | }; |
148 | |
149 | struct cec_op_dvb_data { |
150 | __u16 transport_id; |
151 | __u16 service_id; |
152 | __u16 orig_network_id; |
153 | }; |
154 | |
155 | struct cec_op_channel_data { |
156 | __u8 channel_number_fmt; |
157 | __u16 major; |
158 | __u16 minor; |
159 | }; |
160 | |
161 | struct cec_op_digital_service_id { |
162 | __u8 service_id_method; |
163 | __u8 dig_bcast_system; |
164 | union { |
165 | struct cec_op_arib_data arib; |
166 | struct cec_op_atsc_data atsc; |
167 | struct cec_op_dvb_data dvb; |
168 | struct cec_op_channel_data channel; |
169 | }; |
170 | }; |
171 | |
172 | struct cec_op_record_src { |
173 | __u8 type; |
174 | union { |
175 | struct cec_op_digital_service_id digital; |
176 | struct { |
177 | __u8 ana_bcast_type; |
178 | __u16 ana_freq; |
179 | __u8 bcast_system; |
180 | } analog; |
181 | struct { |
182 | __u8 plug; |
183 | } ext_plug; |
184 | struct { |
185 | __u16 phys_addr; |
186 | } ext_phys_addr; |
187 | }; |
188 | }; |
189 | |
190 | static inline void cec_set_digital_service_id(__u8 *msg, |
191 | const struct cec_op_digital_service_id *digital) |
192 | { |
193 | *msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system; |
194 | if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) { |
195 | *msg++ = (digital->channel.channel_number_fmt << 2) | |
196 | (digital->channel.major >> 8); |
197 | *msg++ = digital->channel.major & 0xff; |
198 | *msg++ = digital->channel.minor >> 8; |
199 | *msg++ = digital->channel.minor & 0xff; |
200 | *msg++ = 0; |
201 | *msg++ = 0; |
202 | return; |
203 | } |
204 | switch (digital->dig_bcast_system) { |
205 | case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN: |
206 | case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE: |
207 | case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT: |
208 | case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T: |
209 | *msg++ = digital->atsc.transport_id >> 8; |
210 | *msg++ = digital->atsc.transport_id & 0xff; |
211 | *msg++ = digital->atsc.program_number >> 8; |
212 | *msg++ = digital->atsc.program_number & 0xff; |
213 | *msg++ = 0; |
214 | *msg++ = 0; |
215 | break; |
216 | default: |
217 | *msg++ = digital->dvb.transport_id >> 8; |
218 | *msg++ = digital->dvb.transport_id & 0xff; |
219 | *msg++ = digital->dvb.service_id >> 8; |
220 | *msg++ = digital->dvb.service_id & 0xff; |
221 | *msg++ = digital->dvb.orig_network_id >> 8; |
222 | *msg++ = digital->dvb.orig_network_id & 0xff; |
223 | break; |
224 | } |
225 | } |
226 | |
227 | static inline void cec_get_digital_service_id(const __u8 *msg, |
228 | struct cec_op_digital_service_id *digital) |
229 | { |
230 | digital->service_id_method = msg[0] >> 7; |
231 | digital->dig_bcast_system = msg[0] & 0x7f; |
232 | if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) { |
233 | digital->channel.channel_number_fmt = msg[1] >> 2; |
234 | digital->channel.major = ((msg[1] & 3) << 6) | msg[2]; |
235 | digital->channel.minor = (msg[3] << 8) | msg[4]; |
236 | return; |
237 | } |
238 | digital->dvb.transport_id = (msg[1] << 8) | msg[2]; |
239 | digital->dvb.service_id = (msg[3] << 8) | msg[4]; |
240 | digital->dvb.orig_network_id = (msg[5] << 8) | msg[6]; |
241 | } |
242 | |
243 | static inline void cec_msg_record_on_own(struct cec_msg *msg) |
244 | { |
245 | msg->len = 3; |
246 | msg->msg[1] = CEC_MSG_RECORD_ON; |
247 | msg->msg[2] = CEC_OP_RECORD_SRC_OWN; |
248 | } |
249 | |
250 | static inline void cec_msg_record_on_digital(struct cec_msg *msg, |
251 | const struct cec_op_digital_service_id *digital) |
252 | { |
253 | msg->len = 10; |
254 | msg->msg[1] = CEC_MSG_RECORD_ON; |
255 | msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL; |
256 | cec_set_digital_service_id(msg: msg->msg + 3, digital); |
257 | } |
258 | |
259 | static inline void cec_msg_record_on_analog(struct cec_msg *msg, |
260 | __u8 ana_bcast_type, |
261 | __u16 ana_freq, |
262 | __u8 bcast_system) |
263 | { |
264 | msg->len = 7; |
265 | msg->msg[1] = CEC_MSG_RECORD_ON; |
266 | msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG; |
267 | msg->msg[3] = ana_bcast_type; |
268 | msg->msg[4] = ana_freq >> 8; |
269 | msg->msg[5] = ana_freq & 0xff; |
270 | msg->msg[6] = bcast_system; |
271 | } |
272 | |
273 | static inline void cec_msg_record_on_plug(struct cec_msg *msg, |
274 | __u8 plug) |
275 | { |
276 | msg->len = 4; |
277 | msg->msg[1] = CEC_MSG_RECORD_ON; |
278 | msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG; |
279 | msg->msg[3] = plug; |
280 | } |
281 | |
282 | static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg, |
283 | __u16 phys_addr) |
284 | { |
285 | msg->len = 5; |
286 | msg->msg[1] = CEC_MSG_RECORD_ON; |
287 | msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR; |
288 | msg->msg[3] = phys_addr >> 8; |
289 | msg->msg[4] = phys_addr & 0xff; |
290 | } |
291 | |
292 | static inline void cec_msg_record_on(struct cec_msg *msg, |
293 | int reply, |
294 | const struct cec_op_record_src *rec_src) |
295 | { |
296 | switch (rec_src->type) { |
297 | case CEC_OP_RECORD_SRC_OWN: |
298 | cec_msg_record_on_own(msg); |
299 | break; |
300 | case CEC_OP_RECORD_SRC_DIGITAL: |
301 | cec_msg_record_on_digital(msg, digital: &rec_src->digital); |
302 | break; |
303 | case CEC_OP_RECORD_SRC_ANALOG: |
304 | cec_msg_record_on_analog(msg, |
305 | ana_bcast_type: rec_src->analog.ana_bcast_type, |
306 | ana_freq: rec_src->analog.ana_freq, |
307 | bcast_system: rec_src->analog.bcast_system); |
308 | break; |
309 | case CEC_OP_RECORD_SRC_EXT_PLUG: |
310 | cec_msg_record_on_plug(msg, plug: rec_src->ext_plug.plug); |
311 | break; |
312 | case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR: |
313 | cec_msg_record_on_phys_addr(msg, |
314 | phys_addr: rec_src->ext_phys_addr.phys_addr); |
315 | break; |
316 | } |
317 | msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; |
318 | } |
319 | |
320 | static inline void cec_ops_record_on(const struct cec_msg *msg, |
321 | struct cec_op_record_src *rec_src) |
322 | { |
323 | rec_src->type = msg->msg[2]; |
324 | switch (rec_src->type) { |
325 | case CEC_OP_RECORD_SRC_OWN: |
326 | break; |
327 | case CEC_OP_RECORD_SRC_DIGITAL: |
328 | cec_get_digital_service_id(msg: msg->msg + 3, digital: &rec_src->digital); |
329 | break; |
330 | case CEC_OP_RECORD_SRC_ANALOG: |
331 | rec_src->analog.ana_bcast_type = msg->msg[3]; |
332 | rec_src->analog.ana_freq = |
333 | (msg->msg[4] << 8) | msg->msg[5]; |
334 | rec_src->analog.bcast_system = msg->msg[6]; |
335 | break; |
336 | case CEC_OP_RECORD_SRC_EXT_PLUG: |
337 | rec_src->ext_plug.plug = msg->msg[3]; |
338 | break; |
339 | case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR: |
340 | rec_src->ext_phys_addr.phys_addr = |
341 | (msg->msg[3] << 8) | msg->msg[4]; |
342 | break; |
343 | } |
344 | } |
345 | |
346 | static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status) |
347 | { |
348 | msg->len = 3; |
349 | msg->msg[1] = CEC_MSG_RECORD_STATUS; |
350 | msg->msg[2] = rec_status; |
351 | } |
352 | |
353 | static inline void cec_ops_record_status(const struct cec_msg *msg, |
354 | __u8 *rec_status) |
355 | { |
356 | *rec_status = msg->msg[2]; |
357 | } |
358 | |
359 | static inline void cec_msg_record_tv_screen(struct cec_msg *msg, |
360 | int reply) |
361 | { |
362 | msg->len = 2; |
363 | msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN; |
364 | msg->reply = reply ? CEC_MSG_RECORD_ON : 0; |
365 | } |
366 | |
367 | |
368 | /* Timer Programming Feature */ |
369 | static inline void cec_msg_timer_status(struct cec_msg *msg, |
370 | __u8 timer_overlap_warning, |
371 | __u8 media_info, |
372 | __u8 prog_info, |
373 | __u8 prog_error, |
374 | __u8 duration_hr, |
375 | __u8 duration_min) |
376 | { |
377 | msg->len = 3; |
378 | msg->msg[1] = CEC_MSG_TIMER_STATUS; |
379 | msg->msg[2] = (timer_overlap_warning << 7) | |
380 | (media_info << 5) | |
381 | (prog_info ? 0x10 : 0) | |
382 | (prog_info ? prog_info : prog_error); |
383 | if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE || |
384 | prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE || |
385 | prog_error == CEC_OP_PROG_ERROR_DUPLICATE) { |
386 | msg->len += 2; |
387 | msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
388 | msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10); |
389 | } |
390 | } |
391 | |
392 | static inline void cec_ops_timer_status(const struct cec_msg *msg, |
393 | __u8 *timer_overlap_warning, |
394 | __u8 *media_info, |
395 | __u8 *prog_info, |
396 | __u8 *prog_error, |
397 | __u8 *duration_hr, |
398 | __u8 *duration_min) |
399 | { |
400 | *timer_overlap_warning = msg->msg[2] >> 7; |
401 | *media_info = (msg->msg[2] >> 5) & 3; |
402 | if (msg->msg[2] & 0x10) { |
403 | *prog_info = msg->msg[2] & 0xf; |
404 | *prog_error = 0; |
405 | } else { |
406 | *prog_info = 0; |
407 | *prog_error = msg->msg[2] & 0xf; |
408 | } |
409 | if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE || |
410 | *prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE || |
411 | *prog_error == CEC_OP_PROG_ERROR_DUPLICATE) { |
412 | *duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf); |
413 | *duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
414 | } else { |
415 | *duration_hr = *duration_min = 0; |
416 | } |
417 | } |
418 | |
419 | static inline void cec_msg_timer_cleared_status(struct cec_msg *msg, |
420 | __u8 timer_cleared_status) |
421 | { |
422 | msg->len = 3; |
423 | msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS; |
424 | msg->msg[2] = timer_cleared_status; |
425 | } |
426 | |
427 | static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg, |
428 | __u8 *timer_cleared_status) |
429 | { |
430 | *timer_cleared_status = msg->msg[2]; |
431 | } |
432 | |
433 | static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg, |
434 | int reply, |
435 | __u8 day, |
436 | __u8 month, |
437 | __u8 start_hr, |
438 | __u8 start_min, |
439 | __u8 duration_hr, |
440 | __u8 duration_min, |
441 | __u8 recording_seq, |
442 | __u8 ana_bcast_type, |
443 | __u16 ana_freq, |
444 | __u8 bcast_system) |
445 | { |
446 | msg->len = 13; |
447 | msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER; |
448 | msg->msg[2] = day; |
449 | msg->msg[3] = month; |
450 | /* Hours and minutes are in BCD format */ |
451 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
452 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
453 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
454 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
455 | msg->msg[8] = recording_seq; |
456 | msg->msg[9] = ana_bcast_type; |
457 | msg->msg[10] = ana_freq >> 8; |
458 | msg->msg[11] = ana_freq & 0xff; |
459 | msg->msg[12] = bcast_system; |
460 | msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0; |
461 | } |
462 | |
463 | static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg, |
464 | __u8 *day, |
465 | __u8 *month, |
466 | __u8 *start_hr, |
467 | __u8 *start_min, |
468 | __u8 *duration_hr, |
469 | __u8 *duration_min, |
470 | __u8 *recording_seq, |
471 | __u8 *ana_bcast_type, |
472 | __u16 *ana_freq, |
473 | __u8 *bcast_system) |
474 | { |
475 | *day = msg->msg[2]; |
476 | *month = msg->msg[3]; |
477 | /* Hours and minutes are in BCD format */ |
478 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
479 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
480 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
481 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
482 | *recording_seq = msg->msg[8]; |
483 | *ana_bcast_type = msg->msg[9]; |
484 | *ana_freq = (msg->msg[10] << 8) | msg->msg[11]; |
485 | *bcast_system = msg->msg[12]; |
486 | } |
487 | |
488 | static inline void cec_msg_clear_digital_timer(struct cec_msg *msg, |
489 | int reply, |
490 | __u8 day, |
491 | __u8 month, |
492 | __u8 start_hr, |
493 | __u8 start_min, |
494 | __u8 duration_hr, |
495 | __u8 duration_min, |
496 | __u8 recording_seq, |
497 | const struct cec_op_digital_service_id *digital) |
498 | { |
499 | msg->len = 16; |
500 | msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0; |
501 | msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER; |
502 | msg->msg[2] = day; |
503 | msg->msg[3] = month; |
504 | /* Hours and minutes are in BCD format */ |
505 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
506 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
507 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
508 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
509 | msg->msg[8] = recording_seq; |
510 | cec_set_digital_service_id(msg: msg->msg + 9, digital); |
511 | } |
512 | |
513 | static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg, |
514 | __u8 *day, |
515 | __u8 *month, |
516 | __u8 *start_hr, |
517 | __u8 *start_min, |
518 | __u8 *duration_hr, |
519 | __u8 *duration_min, |
520 | __u8 *recording_seq, |
521 | struct cec_op_digital_service_id *digital) |
522 | { |
523 | *day = msg->msg[2]; |
524 | *month = msg->msg[3]; |
525 | /* Hours and minutes are in BCD format */ |
526 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
527 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
528 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
529 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
530 | *recording_seq = msg->msg[8]; |
531 | cec_get_digital_service_id(msg: msg->msg + 9, digital); |
532 | } |
533 | |
534 | static inline void cec_msg_clear_ext_timer(struct cec_msg *msg, |
535 | int reply, |
536 | __u8 day, |
537 | __u8 month, |
538 | __u8 start_hr, |
539 | __u8 start_min, |
540 | __u8 duration_hr, |
541 | __u8 duration_min, |
542 | __u8 recording_seq, |
543 | __u8 ext_src_spec, |
544 | __u8 plug, |
545 | __u16 phys_addr) |
546 | { |
547 | msg->len = 13; |
548 | msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER; |
549 | msg->msg[2] = day; |
550 | msg->msg[3] = month; |
551 | /* Hours and minutes are in BCD format */ |
552 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
553 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
554 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
555 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
556 | msg->msg[8] = recording_seq; |
557 | msg->msg[9] = ext_src_spec; |
558 | msg->msg[10] = plug; |
559 | msg->msg[11] = phys_addr >> 8; |
560 | msg->msg[12] = phys_addr & 0xff; |
561 | msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0; |
562 | } |
563 | |
564 | static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg, |
565 | __u8 *day, |
566 | __u8 *month, |
567 | __u8 *start_hr, |
568 | __u8 *start_min, |
569 | __u8 *duration_hr, |
570 | __u8 *duration_min, |
571 | __u8 *recording_seq, |
572 | __u8 *ext_src_spec, |
573 | __u8 *plug, |
574 | __u16 *phys_addr) |
575 | { |
576 | *day = msg->msg[2]; |
577 | *month = msg->msg[3]; |
578 | /* Hours and minutes are in BCD format */ |
579 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
580 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
581 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
582 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
583 | *recording_seq = msg->msg[8]; |
584 | *ext_src_spec = msg->msg[9]; |
585 | *plug = msg->msg[10]; |
586 | *phys_addr = (msg->msg[11] << 8) | msg->msg[12]; |
587 | } |
588 | |
589 | static inline void cec_msg_set_analogue_timer(struct cec_msg *msg, |
590 | int reply, |
591 | __u8 day, |
592 | __u8 month, |
593 | __u8 start_hr, |
594 | __u8 start_min, |
595 | __u8 duration_hr, |
596 | __u8 duration_min, |
597 | __u8 recording_seq, |
598 | __u8 ana_bcast_type, |
599 | __u16 ana_freq, |
600 | __u8 bcast_system) |
601 | { |
602 | msg->len = 13; |
603 | msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER; |
604 | msg->msg[2] = day; |
605 | msg->msg[3] = month; |
606 | /* Hours and minutes are in BCD format */ |
607 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
608 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
609 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
610 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
611 | msg->msg[8] = recording_seq; |
612 | msg->msg[9] = ana_bcast_type; |
613 | msg->msg[10] = ana_freq >> 8; |
614 | msg->msg[11] = ana_freq & 0xff; |
615 | msg->msg[12] = bcast_system; |
616 | msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0; |
617 | } |
618 | |
619 | static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg, |
620 | __u8 *day, |
621 | __u8 *month, |
622 | __u8 *start_hr, |
623 | __u8 *start_min, |
624 | __u8 *duration_hr, |
625 | __u8 *duration_min, |
626 | __u8 *recording_seq, |
627 | __u8 *ana_bcast_type, |
628 | __u16 *ana_freq, |
629 | __u8 *bcast_system) |
630 | { |
631 | *day = msg->msg[2]; |
632 | *month = msg->msg[3]; |
633 | /* Hours and minutes are in BCD format */ |
634 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
635 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
636 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
637 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
638 | *recording_seq = msg->msg[8]; |
639 | *ana_bcast_type = msg->msg[9]; |
640 | *ana_freq = (msg->msg[10] << 8) | msg->msg[11]; |
641 | *bcast_system = msg->msg[12]; |
642 | } |
643 | |
644 | static inline void cec_msg_set_digital_timer(struct cec_msg *msg, |
645 | int reply, |
646 | __u8 day, |
647 | __u8 month, |
648 | __u8 start_hr, |
649 | __u8 start_min, |
650 | __u8 duration_hr, |
651 | __u8 duration_min, |
652 | __u8 recording_seq, |
653 | const struct cec_op_digital_service_id *digital) |
654 | { |
655 | msg->len = 16; |
656 | msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0; |
657 | msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER; |
658 | msg->msg[2] = day; |
659 | msg->msg[3] = month; |
660 | /* Hours and minutes are in BCD format */ |
661 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
662 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
663 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
664 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
665 | msg->msg[8] = recording_seq; |
666 | cec_set_digital_service_id(msg: msg->msg + 9, digital); |
667 | } |
668 | |
669 | static inline void cec_ops_set_digital_timer(const struct cec_msg *msg, |
670 | __u8 *day, |
671 | __u8 *month, |
672 | __u8 *start_hr, |
673 | __u8 *start_min, |
674 | __u8 *duration_hr, |
675 | __u8 *duration_min, |
676 | __u8 *recording_seq, |
677 | struct cec_op_digital_service_id *digital) |
678 | { |
679 | *day = msg->msg[2]; |
680 | *month = msg->msg[3]; |
681 | /* Hours and minutes are in BCD format */ |
682 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
683 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
684 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
685 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
686 | *recording_seq = msg->msg[8]; |
687 | cec_get_digital_service_id(msg: msg->msg + 9, digital); |
688 | } |
689 | |
690 | static inline void cec_msg_set_ext_timer(struct cec_msg *msg, |
691 | int reply, |
692 | __u8 day, |
693 | __u8 month, |
694 | __u8 start_hr, |
695 | __u8 start_min, |
696 | __u8 duration_hr, |
697 | __u8 duration_min, |
698 | __u8 recording_seq, |
699 | __u8 ext_src_spec, |
700 | __u8 plug, |
701 | __u16 phys_addr) |
702 | { |
703 | msg->len = 13; |
704 | msg->msg[1] = CEC_MSG_SET_EXT_TIMER; |
705 | msg->msg[2] = day; |
706 | msg->msg[3] = month; |
707 | /* Hours and minutes are in BCD format */ |
708 | msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10); |
709 | msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10); |
710 | msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10); |
711 | msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10); |
712 | msg->msg[8] = recording_seq; |
713 | msg->msg[9] = ext_src_spec; |
714 | msg->msg[10] = plug; |
715 | msg->msg[11] = phys_addr >> 8; |
716 | msg->msg[12] = phys_addr & 0xff; |
717 | msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0; |
718 | } |
719 | |
720 | static inline void cec_ops_set_ext_timer(const struct cec_msg *msg, |
721 | __u8 *day, |
722 | __u8 *month, |
723 | __u8 *start_hr, |
724 | __u8 *start_min, |
725 | __u8 *duration_hr, |
726 | __u8 *duration_min, |
727 | __u8 *recording_seq, |
728 | __u8 *ext_src_spec, |
729 | __u8 *plug, |
730 | __u16 *phys_addr) |
731 | { |
732 | *day = msg->msg[2]; |
733 | *month = msg->msg[3]; |
734 | /* Hours and minutes are in BCD format */ |
735 | *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf); |
736 | *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf); |
737 | *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf); |
738 | *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf); |
739 | *recording_seq = msg->msg[8]; |
740 | *ext_src_spec = msg->msg[9]; |
741 | *plug = msg->msg[10]; |
742 | *phys_addr = (msg->msg[11] << 8) | msg->msg[12]; |
743 | } |
744 | |
745 | static inline void cec_msg_set_timer_program_title(struct cec_msg *msg, |
746 | const char *prog_title) |
747 | { |
748 | unsigned int len = strlen(prog_title); |
749 | |
750 | if (len > 14) |
751 | len = 14; |
752 | msg->len = 2 + len; |
753 | msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE; |
754 | memcpy(msg->msg + 2, prog_title, len); |
755 | } |
756 | |
757 | static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg, |
758 | char *prog_title) |
759 | { |
760 | unsigned int len = msg->len > 2 ? msg->len - 2 : 0; |
761 | |
762 | if (len > 14) |
763 | len = 14; |
764 | memcpy(prog_title, msg->msg + 2, len); |
765 | prog_title[len] = '\0'; |
766 | } |
767 | |
768 | /* System Information Feature */ |
769 | static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version) |
770 | { |
771 | msg->len = 3; |
772 | msg->msg[1] = CEC_MSG_CEC_VERSION; |
773 | msg->msg[2] = cec_version; |
774 | } |
775 | |
776 | static inline void cec_ops_cec_version(const struct cec_msg *msg, |
777 | __u8 *cec_version) |
778 | { |
779 | *cec_version = msg->msg[2]; |
780 | } |
781 | |
782 | static inline void cec_msg_get_cec_version(struct cec_msg *msg, |
783 | int reply) |
784 | { |
785 | msg->len = 2; |
786 | msg->msg[1] = CEC_MSG_GET_CEC_VERSION; |
787 | msg->reply = reply ? CEC_MSG_CEC_VERSION : 0; |
788 | } |
789 | |
790 | static inline void cec_msg_report_physical_addr(struct cec_msg *msg, |
791 | __u16 phys_addr, __u8 prim_devtype) |
792 | { |
793 | msg->len = 5; |
794 | msg->msg[0] |= 0xf; /* broadcast */ |
795 | msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR; |
796 | msg->msg[2] = phys_addr >> 8; |
797 | msg->msg[3] = phys_addr & 0xff; |
798 | msg->msg[4] = prim_devtype; |
799 | } |
800 | |
801 | static inline void cec_ops_report_physical_addr(const struct cec_msg *msg, |
802 | __u16 *phys_addr, __u8 *prim_devtype) |
803 | { |
804 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
805 | *prim_devtype = msg->msg[4]; |
806 | } |
807 | |
808 | static inline void cec_msg_give_physical_addr(struct cec_msg *msg, |
809 | int reply) |
810 | { |
811 | msg->len = 2; |
812 | msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR; |
813 | msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0; |
814 | } |
815 | |
816 | static inline void (struct cec_msg *msg, |
817 | const char *language) |
818 | { |
819 | msg->len = 5; |
820 | msg->msg[0] |= 0xf; /* broadcast */ |
821 | msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE; |
822 | memcpy(msg->msg + 2, language, 3); |
823 | } |
824 | |
825 | static inline void (const struct cec_msg *msg, |
826 | char *language) |
827 | { |
828 | memcpy(language, msg->msg + 2, 3); |
829 | language[3] = '\0'; |
830 | } |
831 | |
832 | static inline void (struct cec_msg *msg, |
833 | int reply) |
834 | { |
835 | msg->len = 2; |
836 | msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE; |
837 | msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0; |
838 | } |
839 | |
840 | /* |
841 | * Assumes a single RC Profile byte and a single Device Features byte, |
842 | * i.e. no extended features are supported by this helper function. |
843 | * |
844 | * As of CEC 2.0 no extended features are defined, should those be added |
845 | * in the future, then this function needs to be adapted or a new function |
846 | * should be added. |
847 | */ |
848 | static inline void cec_msg_report_features(struct cec_msg *msg, |
849 | __u8 cec_version, __u8 all_device_types, |
850 | __u8 rc_profile, __u8 dev_features) |
851 | { |
852 | msg->len = 6; |
853 | msg->msg[0] |= 0xf; /* broadcast */ |
854 | msg->msg[1] = CEC_MSG_REPORT_FEATURES; |
855 | msg->msg[2] = cec_version; |
856 | msg->msg[3] = all_device_types; |
857 | msg->msg[4] = rc_profile; |
858 | msg->msg[5] = dev_features; |
859 | } |
860 | |
861 | static inline void cec_ops_report_features(const struct cec_msg *msg, |
862 | __u8 *cec_version, __u8 *all_device_types, |
863 | const __u8 **rc_profile, const __u8 **dev_features) |
864 | { |
865 | const __u8 *p = &msg->msg[4]; |
866 | |
867 | *cec_version = msg->msg[2]; |
868 | *all_device_types = msg->msg[3]; |
869 | *rc_profile = p; |
870 | *dev_features = NULL; |
871 | while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT)) |
872 | p++; |
873 | if (!(*p & CEC_OP_FEAT_EXT)) { |
874 | *dev_features = p + 1; |
875 | while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT)) |
876 | p++; |
877 | } |
878 | if (*p & CEC_OP_FEAT_EXT) |
879 | *rc_profile = *dev_features = NULL; |
880 | } |
881 | |
882 | static inline void cec_msg_give_features(struct cec_msg *msg, |
883 | int reply) |
884 | { |
885 | msg->len = 2; |
886 | msg->msg[1] = CEC_MSG_GIVE_FEATURES; |
887 | msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0; |
888 | } |
889 | |
890 | /* Deck Control Feature */ |
891 | static inline void cec_msg_deck_control(struct cec_msg *msg, |
892 | __u8 deck_control_mode) |
893 | { |
894 | msg->len = 3; |
895 | msg->msg[1] = CEC_MSG_DECK_CONTROL; |
896 | msg->msg[2] = deck_control_mode; |
897 | } |
898 | |
899 | static inline void cec_ops_deck_control(const struct cec_msg *msg, |
900 | __u8 *deck_control_mode) |
901 | { |
902 | *deck_control_mode = msg->msg[2]; |
903 | } |
904 | |
905 | static inline void cec_msg_deck_status(struct cec_msg *msg, |
906 | __u8 deck_info) |
907 | { |
908 | msg->len = 3; |
909 | msg->msg[1] = CEC_MSG_DECK_STATUS; |
910 | msg->msg[2] = deck_info; |
911 | } |
912 | |
913 | static inline void cec_ops_deck_status(const struct cec_msg *msg, |
914 | __u8 *deck_info) |
915 | { |
916 | *deck_info = msg->msg[2]; |
917 | } |
918 | |
919 | static inline void cec_msg_give_deck_status(struct cec_msg *msg, |
920 | int reply, |
921 | __u8 status_req) |
922 | { |
923 | msg->len = 3; |
924 | msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS; |
925 | msg->msg[2] = status_req; |
926 | msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ? |
927 | CEC_MSG_DECK_STATUS : 0; |
928 | } |
929 | |
930 | static inline void cec_ops_give_deck_status(const struct cec_msg *msg, |
931 | __u8 *status_req) |
932 | { |
933 | *status_req = msg->msg[2]; |
934 | } |
935 | |
936 | static inline void cec_msg_play(struct cec_msg *msg, |
937 | __u8 play_mode) |
938 | { |
939 | msg->len = 3; |
940 | msg->msg[1] = CEC_MSG_PLAY; |
941 | msg->msg[2] = play_mode; |
942 | } |
943 | |
944 | static inline void cec_ops_play(const struct cec_msg *msg, |
945 | __u8 *play_mode) |
946 | { |
947 | *play_mode = msg->msg[2]; |
948 | } |
949 | |
950 | |
951 | /* Tuner Control Feature */ |
952 | struct cec_op_tuner_device_info { |
953 | __u8 rec_flag; |
954 | __u8 tuner_display_info; |
955 | __u8 is_analog; |
956 | union { |
957 | struct cec_op_digital_service_id digital; |
958 | struct { |
959 | __u8 ana_bcast_type; |
960 | __u16 ana_freq; |
961 | __u8 bcast_system; |
962 | } analog; |
963 | }; |
964 | }; |
965 | |
966 | static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg, |
967 | __u8 rec_flag, |
968 | __u8 tuner_display_info, |
969 | __u8 ana_bcast_type, |
970 | __u16 ana_freq, |
971 | __u8 bcast_system) |
972 | { |
973 | msg->len = 7; |
974 | msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS; |
975 | msg->msg[2] = (rec_flag << 7) | tuner_display_info; |
976 | msg->msg[3] = ana_bcast_type; |
977 | msg->msg[4] = ana_freq >> 8; |
978 | msg->msg[5] = ana_freq & 0xff; |
979 | msg->msg[6] = bcast_system; |
980 | } |
981 | |
982 | static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg, |
983 | __u8 rec_flag, __u8 tuner_display_info, |
984 | const struct cec_op_digital_service_id *digital) |
985 | { |
986 | msg->len = 10; |
987 | msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS; |
988 | msg->msg[2] = (rec_flag << 7) | tuner_display_info; |
989 | cec_set_digital_service_id(msg: msg->msg + 3, digital); |
990 | } |
991 | |
992 | static inline void cec_msg_tuner_device_status(struct cec_msg *msg, |
993 | const struct cec_op_tuner_device_info *tuner_dev_info) |
994 | { |
995 | if (tuner_dev_info->is_analog) |
996 | cec_msg_tuner_device_status_analog(msg, |
997 | rec_flag: tuner_dev_info->rec_flag, |
998 | tuner_display_info: tuner_dev_info->tuner_display_info, |
999 | ana_bcast_type: tuner_dev_info->analog.ana_bcast_type, |
1000 | ana_freq: tuner_dev_info->analog.ana_freq, |
1001 | bcast_system: tuner_dev_info->analog.bcast_system); |
1002 | else |
1003 | cec_msg_tuner_device_status_digital(msg, |
1004 | rec_flag: tuner_dev_info->rec_flag, |
1005 | tuner_display_info: tuner_dev_info->tuner_display_info, |
1006 | digital: &tuner_dev_info->digital); |
1007 | } |
1008 | |
1009 | static inline void cec_ops_tuner_device_status(const struct cec_msg *msg, |
1010 | struct cec_op_tuner_device_info *tuner_dev_info) |
1011 | { |
1012 | tuner_dev_info->is_analog = msg->len < 10; |
1013 | tuner_dev_info->rec_flag = msg->msg[2] >> 7; |
1014 | tuner_dev_info->tuner_display_info = msg->msg[2] & 0x7f; |
1015 | if (tuner_dev_info->is_analog) { |
1016 | tuner_dev_info->analog.ana_bcast_type = msg->msg[3]; |
1017 | tuner_dev_info->analog.ana_freq = (msg->msg[4] << 8) | msg->msg[5]; |
1018 | tuner_dev_info->analog.bcast_system = msg->msg[6]; |
1019 | return; |
1020 | } |
1021 | cec_get_digital_service_id(msg: msg->msg + 3, digital: &tuner_dev_info->digital); |
1022 | } |
1023 | |
1024 | static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg, |
1025 | int reply, |
1026 | __u8 status_req) |
1027 | { |
1028 | msg->len = 3; |
1029 | msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS; |
1030 | msg->msg[2] = status_req; |
1031 | msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ? |
1032 | CEC_MSG_TUNER_DEVICE_STATUS : 0; |
1033 | } |
1034 | |
1035 | static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg, |
1036 | __u8 *status_req) |
1037 | { |
1038 | *status_req = msg->msg[2]; |
1039 | } |
1040 | |
1041 | static inline void cec_msg_select_analogue_service(struct cec_msg *msg, |
1042 | __u8 ana_bcast_type, |
1043 | __u16 ana_freq, |
1044 | __u8 bcast_system) |
1045 | { |
1046 | msg->len = 6; |
1047 | msg->msg[1] = CEC_MSG_SELECT_ANALOGUE_SERVICE; |
1048 | msg->msg[2] = ana_bcast_type; |
1049 | msg->msg[3] = ana_freq >> 8; |
1050 | msg->msg[4] = ana_freq & 0xff; |
1051 | msg->msg[5] = bcast_system; |
1052 | } |
1053 | |
1054 | static inline void cec_ops_select_analogue_service(const struct cec_msg *msg, |
1055 | __u8 *ana_bcast_type, |
1056 | __u16 *ana_freq, |
1057 | __u8 *bcast_system) |
1058 | { |
1059 | *ana_bcast_type = msg->msg[2]; |
1060 | *ana_freq = (msg->msg[3] << 8) | msg->msg[4]; |
1061 | *bcast_system = msg->msg[5]; |
1062 | } |
1063 | |
1064 | static inline void cec_msg_select_digital_service(struct cec_msg *msg, |
1065 | const struct cec_op_digital_service_id *digital) |
1066 | { |
1067 | msg->len = 9; |
1068 | msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE; |
1069 | cec_set_digital_service_id(msg: msg->msg + 2, digital); |
1070 | } |
1071 | |
1072 | static inline void cec_ops_select_digital_service(const struct cec_msg *msg, |
1073 | struct cec_op_digital_service_id *digital) |
1074 | { |
1075 | cec_get_digital_service_id(msg: msg->msg + 2, digital); |
1076 | } |
1077 | |
1078 | static inline void cec_msg_tuner_step_decrement(struct cec_msg *msg) |
1079 | { |
1080 | msg->len = 2; |
1081 | msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT; |
1082 | } |
1083 | |
1084 | static inline void cec_msg_tuner_step_increment(struct cec_msg *msg) |
1085 | { |
1086 | msg->len = 2; |
1087 | msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT; |
1088 | } |
1089 | |
1090 | |
1091 | /* Vendor Specific Commands Feature */ |
1092 | static inline void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id) |
1093 | { |
1094 | msg->len = 5; |
1095 | msg->msg[0] |= 0xf; /* broadcast */ |
1096 | msg->msg[1] = CEC_MSG_DEVICE_VENDOR_ID; |
1097 | msg->msg[2] = vendor_id >> 16; |
1098 | msg->msg[3] = (vendor_id >> 8) & 0xff; |
1099 | msg->msg[4] = vendor_id & 0xff; |
1100 | } |
1101 | |
1102 | static inline void cec_ops_device_vendor_id(const struct cec_msg *msg, |
1103 | __u32 *vendor_id) |
1104 | { |
1105 | *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4]; |
1106 | } |
1107 | |
1108 | static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg, |
1109 | int reply) |
1110 | { |
1111 | msg->len = 2; |
1112 | msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID; |
1113 | msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0; |
1114 | } |
1115 | |
1116 | static inline void cec_msg_vendor_command(struct cec_msg *msg, |
1117 | __u8 size, const __u8 *vendor_cmd) |
1118 | { |
1119 | if (size > 14) |
1120 | size = 14; |
1121 | msg->len = 2 + size; |
1122 | msg->msg[1] = CEC_MSG_VENDOR_COMMAND; |
1123 | memcpy(msg->msg + 2, vendor_cmd, size); |
1124 | } |
1125 | |
1126 | static inline void cec_ops_vendor_command(const struct cec_msg *msg, |
1127 | __u8 *size, |
1128 | const __u8 **vendor_cmd) |
1129 | { |
1130 | *size = msg->len - 2; |
1131 | |
1132 | if (*size > 14) |
1133 | *size = 14; |
1134 | *vendor_cmd = msg->msg + 2; |
1135 | } |
1136 | |
1137 | static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg, |
1138 | __u32 vendor_id, __u8 size, |
1139 | const __u8 *vendor_cmd) |
1140 | { |
1141 | if (size > 11) |
1142 | size = 11; |
1143 | msg->len = 5 + size; |
1144 | msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID; |
1145 | msg->msg[2] = vendor_id >> 16; |
1146 | msg->msg[3] = (vendor_id >> 8) & 0xff; |
1147 | msg->msg[4] = vendor_id & 0xff; |
1148 | memcpy(msg->msg + 5, vendor_cmd, size); |
1149 | } |
1150 | |
1151 | static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg, |
1152 | __u32 *vendor_id, __u8 *size, |
1153 | const __u8 **vendor_cmd) |
1154 | { |
1155 | *size = msg->len - 5; |
1156 | |
1157 | if (*size > 11) |
1158 | *size = 11; |
1159 | *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4]; |
1160 | *vendor_cmd = msg->msg + 5; |
1161 | } |
1162 | |
1163 | static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg, |
1164 | __u8 size, |
1165 | const __u8 *rc_code) |
1166 | { |
1167 | if (size > 14) |
1168 | size = 14; |
1169 | msg->len = 2 + size; |
1170 | msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN; |
1171 | memcpy(msg->msg + 2, rc_code, size); |
1172 | } |
1173 | |
1174 | static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg, |
1175 | __u8 *size, |
1176 | const __u8 **rc_code) |
1177 | { |
1178 | *size = msg->len - 2; |
1179 | |
1180 | if (*size > 14) |
1181 | *size = 14; |
1182 | *rc_code = msg->msg + 2; |
1183 | } |
1184 | |
1185 | static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg) |
1186 | { |
1187 | msg->len = 2; |
1188 | msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP; |
1189 | } |
1190 | |
1191 | |
1192 | /* OSD Display Feature */ |
1193 | static inline void cec_msg_set_osd_string(struct cec_msg *msg, |
1194 | __u8 disp_ctl, |
1195 | const char *osd) |
1196 | { |
1197 | unsigned int len = strlen(osd); |
1198 | |
1199 | if (len > 13) |
1200 | len = 13; |
1201 | msg->len = 3 + len; |
1202 | msg->msg[1] = CEC_MSG_SET_OSD_STRING; |
1203 | msg->msg[2] = disp_ctl; |
1204 | memcpy(msg->msg + 3, osd, len); |
1205 | } |
1206 | |
1207 | static inline void cec_ops_set_osd_string(const struct cec_msg *msg, |
1208 | __u8 *disp_ctl, |
1209 | char *osd) |
1210 | { |
1211 | unsigned int len = msg->len > 3 ? msg->len - 3 : 0; |
1212 | |
1213 | *disp_ctl = msg->msg[2]; |
1214 | if (len > 13) |
1215 | len = 13; |
1216 | memcpy(osd, msg->msg + 3, len); |
1217 | osd[len] = '\0'; |
1218 | } |
1219 | |
1220 | |
1221 | /* Device OSD Transfer Feature */ |
1222 | static inline void cec_msg_set_osd_name(struct cec_msg *msg, const char *name) |
1223 | { |
1224 | unsigned int len = strlen(name); |
1225 | |
1226 | if (len > 14) |
1227 | len = 14; |
1228 | msg->len = 2 + len; |
1229 | msg->msg[1] = CEC_MSG_SET_OSD_NAME; |
1230 | memcpy(msg->msg + 2, name, len); |
1231 | } |
1232 | |
1233 | static inline void cec_ops_set_osd_name(const struct cec_msg *msg, |
1234 | char *name) |
1235 | { |
1236 | unsigned int len = msg->len > 2 ? msg->len - 2 : 0; |
1237 | |
1238 | if (len > 14) |
1239 | len = 14; |
1240 | memcpy(name, msg->msg + 2, len); |
1241 | name[len] = '\0'; |
1242 | } |
1243 | |
1244 | static inline void cec_msg_give_osd_name(struct cec_msg *msg, |
1245 | int reply) |
1246 | { |
1247 | msg->len = 2; |
1248 | msg->msg[1] = CEC_MSG_GIVE_OSD_NAME; |
1249 | msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0; |
1250 | } |
1251 | |
1252 | |
1253 | /* Device Menu Control Feature */ |
1254 | static inline void (struct cec_msg *msg, |
1255 | __u8 ) |
1256 | { |
1257 | msg->len = 3; |
1258 | msg->msg[1] = CEC_MSG_MENU_STATUS; |
1259 | msg->msg[2] = menu_state; |
1260 | } |
1261 | |
1262 | static inline void (const struct cec_msg *msg, |
1263 | __u8 *) |
1264 | { |
1265 | *menu_state = msg->msg[2]; |
1266 | } |
1267 | |
1268 | static inline void (struct cec_msg *msg, |
1269 | int reply, |
1270 | __u8 ) |
1271 | { |
1272 | msg->len = 3; |
1273 | msg->msg[1] = CEC_MSG_MENU_REQUEST; |
1274 | msg->msg[2] = menu_req; |
1275 | msg->reply = reply ? CEC_MSG_MENU_STATUS : 0; |
1276 | } |
1277 | |
1278 | static inline void (const struct cec_msg *msg, |
1279 | __u8 *) |
1280 | { |
1281 | *menu_req = msg->msg[2]; |
1282 | } |
1283 | |
1284 | struct cec_op_ui_command { |
1285 | __u8 ui_cmd; |
1286 | __u8 has_opt_arg; |
1287 | union { |
1288 | struct cec_op_channel_data channel_identifier; |
1289 | __u8 ui_broadcast_type; |
1290 | __u8 ui_sound_presentation_control; |
1291 | __u8 play_mode; |
1292 | __u8 ui_function_media; |
1293 | __u8 ui_function_select_av_input; |
1294 | __u8 ui_function_select_audio_input; |
1295 | }; |
1296 | }; |
1297 | |
1298 | static inline void cec_msg_user_control_pressed(struct cec_msg *msg, |
1299 | const struct cec_op_ui_command *ui_cmd) |
1300 | { |
1301 | msg->len = 3; |
1302 | msg->msg[1] = CEC_MSG_USER_CONTROL_PRESSED; |
1303 | msg->msg[2] = ui_cmd->ui_cmd; |
1304 | if (!ui_cmd->has_opt_arg) |
1305 | return; |
1306 | switch (ui_cmd->ui_cmd) { |
1307 | case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE: |
1308 | case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION: |
1309 | case CEC_OP_UI_CMD_PLAY_FUNCTION: |
1310 | case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION: |
1311 | case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION: |
1312 | case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION: |
1313 | /* The optional operand is one byte for all these ui commands */ |
1314 | msg->len++; |
1315 | msg->msg[3] = ui_cmd->play_mode; |
1316 | break; |
1317 | case CEC_OP_UI_CMD_TUNE_FUNCTION: |
1318 | msg->len += 4; |
1319 | msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) | |
1320 | (ui_cmd->channel_identifier.major >> 8); |
1321 | msg->msg[4] = ui_cmd->channel_identifier.major & 0xff; |
1322 | msg->msg[5] = ui_cmd->channel_identifier.minor >> 8; |
1323 | msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff; |
1324 | break; |
1325 | } |
1326 | } |
1327 | |
1328 | static inline void cec_ops_user_control_pressed(const struct cec_msg *msg, |
1329 | struct cec_op_ui_command *ui_cmd) |
1330 | { |
1331 | ui_cmd->ui_cmd = msg->msg[2]; |
1332 | ui_cmd->has_opt_arg = 0; |
1333 | if (msg->len == 3) |
1334 | return; |
1335 | switch (ui_cmd->ui_cmd) { |
1336 | case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE: |
1337 | case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION: |
1338 | case CEC_OP_UI_CMD_PLAY_FUNCTION: |
1339 | case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION: |
1340 | case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION: |
1341 | case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION: |
1342 | /* The optional operand is one byte for all these ui commands */ |
1343 | ui_cmd->play_mode = msg->msg[3]; |
1344 | ui_cmd->has_opt_arg = 1; |
1345 | break; |
1346 | case CEC_OP_UI_CMD_TUNE_FUNCTION: |
1347 | if (msg->len < 7) |
1348 | break; |
1349 | ui_cmd->has_opt_arg = 1; |
1350 | ui_cmd->channel_identifier.channel_number_fmt = msg->msg[3] >> 2; |
1351 | ui_cmd->channel_identifier.major = ((msg->msg[3] & 3) << 6) | msg->msg[4]; |
1352 | ui_cmd->channel_identifier.minor = (msg->msg[5] << 8) | msg->msg[6]; |
1353 | break; |
1354 | } |
1355 | } |
1356 | |
1357 | static inline void cec_msg_user_control_released(struct cec_msg *msg) |
1358 | { |
1359 | msg->len = 2; |
1360 | msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED; |
1361 | } |
1362 | |
1363 | /* Remote Control Passthrough Feature */ |
1364 | |
1365 | /* Power Status Feature */ |
1366 | static inline void cec_msg_report_power_status(struct cec_msg *msg, |
1367 | __u8 pwr_state) |
1368 | { |
1369 | msg->len = 3; |
1370 | msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS; |
1371 | msg->msg[2] = pwr_state; |
1372 | } |
1373 | |
1374 | static inline void cec_ops_report_power_status(const struct cec_msg *msg, |
1375 | __u8 *pwr_state) |
1376 | { |
1377 | *pwr_state = msg->msg[2]; |
1378 | } |
1379 | |
1380 | static inline void cec_msg_give_device_power_status(struct cec_msg *msg, |
1381 | int reply) |
1382 | { |
1383 | msg->len = 2; |
1384 | msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS; |
1385 | msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0; |
1386 | } |
1387 | |
1388 | /* General Protocol Messages */ |
1389 | static inline void cec_msg_feature_abort(struct cec_msg *msg, |
1390 | __u8 abort_msg, __u8 reason) |
1391 | { |
1392 | msg->len = 4; |
1393 | msg->msg[1] = CEC_MSG_FEATURE_ABORT; |
1394 | msg->msg[2] = abort_msg; |
1395 | msg->msg[3] = reason; |
1396 | } |
1397 | |
1398 | static inline void cec_ops_feature_abort(const struct cec_msg *msg, |
1399 | __u8 *abort_msg, __u8 *reason) |
1400 | { |
1401 | *abort_msg = msg->msg[2]; |
1402 | *reason = msg->msg[3]; |
1403 | } |
1404 | |
1405 | /* This changes the current message into a feature abort message */ |
1406 | static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason) |
1407 | { |
1408 | cec_msg_set_reply_to(msg, orig: msg); |
1409 | msg->len = 4; |
1410 | msg->msg[2] = msg->msg[1]; |
1411 | msg->msg[3] = reason; |
1412 | msg->msg[1] = CEC_MSG_FEATURE_ABORT; |
1413 | } |
1414 | |
1415 | static inline void cec_msg_abort(struct cec_msg *msg) |
1416 | { |
1417 | msg->len = 2; |
1418 | msg->msg[1] = CEC_MSG_ABORT; |
1419 | } |
1420 | |
1421 | |
1422 | /* System Audio Control Feature */ |
1423 | static inline void cec_msg_report_audio_status(struct cec_msg *msg, |
1424 | __u8 aud_mute_status, |
1425 | __u8 aud_vol_status) |
1426 | { |
1427 | msg->len = 3; |
1428 | msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS; |
1429 | msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f); |
1430 | } |
1431 | |
1432 | static inline void cec_ops_report_audio_status(const struct cec_msg *msg, |
1433 | __u8 *aud_mute_status, |
1434 | __u8 *aud_vol_status) |
1435 | { |
1436 | *aud_mute_status = msg->msg[2] >> 7; |
1437 | *aud_vol_status = msg->msg[2] & 0x7f; |
1438 | } |
1439 | |
1440 | static inline void cec_msg_give_audio_status(struct cec_msg *msg, |
1441 | int reply) |
1442 | { |
1443 | msg->len = 2; |
1444 | msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS; |
1445 | msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0; |
1446 | } |
1447 | |
1448 | static inline void cec_msg_set_system_audio_mode(struct cec_msg *msg, |
1449 | __u8 sys_aud_status) |
1450 | { |
1451 | msg->len = 3; |
1452 | msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE; |
1453 | msg->msg[2] = sys_aud_status; |
1454 | } |
1455 | |
1456 | static inline void cec_ops_set_system_audio_mode(const struct cec_msg *msg, |
1457 | __u8 *sys_aud_status) |
1458 | { |
1459 | *sys_aud_status = msg->msg[2]; |
1460 | } |
1461 | |
1462 | static inline void cec_msg_system_audio_mode_request(struct cec_msg *msg, |
1463 | int reply, |
1464 | __u16 phys_addr) |
1465 | { |
1466 | msg->len = phys_addr == 0xffff ? 2 : 4; |
1467 | msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST; |
1468 | msg->msg[2] = phys_addr >> 8; |
1469 | msg->msg[3] = phys_addr & 0xff; |
1470 | msg->reply = reply ? CEC_MSG_SET_SYSTEM_AUDIO_MODE : 0; |
1471 | |
1472 | } |
1473 | |
1474 | static inline void cec_ops_system_audio_mode_request(const struct cec_msg *msg, |
1475 | __u16 *phys_addr) |
1476 | { |
1477 | if (msg->len < 4) |
1478 | *phys_addr = 0xffff; |
1479 | else |
1480 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1481 | } |
1482 | |
1483 | static inline void cec_msg_system_audio_mode_status(struct cec_msg *msg, |
1484 | __u8 sys_aud_status) |
1485 | { |
1486 | msg->len = 3; |
1487 | msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS; |
1488 | msg->msg[2] = sys_aud_status; |
1489 | } |
1490 | |
1491 | static inline void cec_ops_system_audio_mode_status(const struct cec_msg *msg, |
1492 | __u8 *sys_aud_status) |
1493 | { |
1494 | *sys_aud_status = msg->msg[2]; |
1495 | } |
1496 | |
1497 | static inline void cec_msg_give_system_audio_mode_status(struct cec_msg *msg, |
1498 | int reply) |
1499 | { |
1500 | msg->len = 2; |
1501 | msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS; |
1502 | msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0; |
1503 | } |
1504 | |
1505 | static inline void cec_msg_report_short_audio_descriptor(struct cec_msg *msg, |
1506 | __u8 num_descriptors, |
1507 | const __u32 *descriptors) |
1508 | { |
1509 | unsigned int i; |
1510 | |
1511 | if (num_descriptors > 4) |
1512 | num_descriptors = 4; |
1513 | msg->len = 2 + num_descriptors * 3; |
1514 | msg->msg[1] = CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR; |
1515 | for (i = 0; i < num_descriptors; i++) { |
1516 | msg->msg[2 + i * 3] = (descriptors[i] >> 16) & 0xff; |
1517 | msg->msg[3 + i * 3] = (descriptors[i] >> 8) & 0xff; |
1518 | msg->msg[4 + i * 3] = descriptors[i] & 0xff; |
1519 | } |
1520 | } |
1521 | |
1522 | static inline void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg, |
1523 | __u8 *num_descriptors, |
1524 | __u32 *descriptors) |
1525 | { |
1526 | unsigned int i; |
1527 | |
1528 | *num_descriptors = (msg->len - 2) / 3; |
1529 | if (*num_descriptors > 4) |
1530 | *num_descriptors = 4; |
1531 | for (i = 0; i < *num_descriptors; i++) |
1532 | descriptors[i] = (msg->msg[2 + i * 3] << 16) | |
1533 | (msg->msg[3 + i * 3] << 8) | |
1534 | msg->msg[4 + i * 3]; |
1535 | } |
1536 | |
1537 | static inline void cec_msg_request_short_audio_descriptor(struct cec_msg *msg, |
1538 | int reply, |
1539 | __u8 num_descriptors, |
1540 | const __u8 *audio_format_id, |
1541 | const __u8 *audio_format_code) |
1542 | { |
1543 | unsigned int i; |
1544 | |
1545 | if (num_descriptors > 4) |
1546 | num_descriptors = 4; |
1547 | msg->len = 2 + num_descriptors; |
1548 | msg->msg[1] = CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR; |
1549 | msg->reply = reply ? CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR : 0; |
1550 | for (i = 0; i < num_descriptors; i++) |
1551 | msg->msg[2 + i] = (audio_format_id[i] << 6) | |
1552 | (audio_format_code[i] & 0x3f); |
1553 | } |
1554 | |
1555 | static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg *msg, |
1556 | __u8 *num_descriptors, |
1557 | __u8 *audio_format_id, |
1558 | __u8 *audio_format_code) |
1559 | { |
1560 | unsigned int i; |
1561 | |
1562 | *num_descriptors = msg->len - 2; |
1563 | if (*num_descriptors > 4) |
1564 | *num_descriptors = 4; |
1565 | for (i = 0; i < *num_descriptors; i++) { |
1566 | audio_format_id[i] = msg->msg[2 + i] >> 6; |
1567 | audio_format_code[i] = msg->msg[2 + i] & 0x3f; |
1568 | } |
1569 | } |
1570 | |
1571 | static inline void cec_msg_set_audio_volume_level(struct cec_msg *msg, |
1572 | __u8 audio_volume_level) |
1573 | { |
1574 | msg->len = 3; |
1575 | msg->msg[1] = CEC_MSG_SET_AUDIO_VOLUME_LEVEL; |
1576 | msg->msg[2] = audio_volume_level; |
1577 | } |
1578 | |
1579 | static inline void cec_ops_set_audio_volume_level(const struct cec_msg *msg, |
1580 | __u8 *audio_volume_level) |
1581 | { |
1582 | *audio_volume_level = msg->msg[2]; |
1583 | } |
1584 | |
1585 | |
1586 | /* Audio Rate Control Feature */ |
1587 | static inline void cec_msg_set_audio_rate(struct cec_msg *msg, |
1588 | __u8 audio_rate) |
1589 | { |
1590 | msg->len = 3; |
1591 | msg->msg[1] = CEC_MSG_SET_AUDIO_RATE; |
1592 | msg->msg[2] = audio_rate; |
1593 | } |
1594 | |
1595 | static inline void cec_ops_set_audio_rate(const struct cec_msg *msg, |
1596 | __u8 *audio_rate) |
1597 | { |
1598 | *audio_rate = msg->msg[2]; |
1599 | } |
1600 | |
1601 | |
1602 | /* Audio Return Channel Control Feature */ |
1603 | static inline void cec_msg_report_arc_initiated(struct cec_msg *msg) |
1604 | { |
1605 | msg->len = 2; |
1606 | msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED; |
1607 | } |
1608 | |
1609 | static inline void cec_msg_initiate_arc(struct cec_msg *msg, |
1610 | int reply) |
1611 | { |
1612 | msg->len = 2; |
1613 | msg->msg[1] = CEC_MSG_INITIATE_ARC; |
1614 | msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0; |
1615 | } |
1616 | |
1617 | static inline void cec_msg_request_arc_initiation(struct cec_msg *msg, |
1618 | int reply) |
1619 | { |
1620 | msg->len = 2; |
1621 | msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION; |
1622 | msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0; |
1623 | } |
1624 | |
1625 | static inline void cec_msg_report_arc_terminated(struct cec_msg *msg) |
1626 | { |
1627 | msg->len = 2; |
1628 | msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED; |
1629 | } |
1630 | |
1631 | static inline void cec_msg_terminate_arc(struct cec_msg *msg, |
1632 | int reply) |
1633 | { |
1634 | msg->len = 2; |
1635 | msg->msg[1] = CEC_MSG_TERMINATE_ARC; |
1636 | msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0; |
1637 | } |
1638 | |
1639 | static inline void cec_msg_request_arc_termination(struct cec_msg *msg, |
1640 | int reply) |
1641 | { |
1642 | msg->len = 2; |
1643 | msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION; |
1644 | msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0; |
1645 | } |
1646 | |
1647 | |
1648 | /* Dynamic Audio Lipsync Feature */ |
1649 | /* Only for CEC 2.0 and up */ |
1650 | static inline void cec_msg_report_current_latency(struct cec_msg *msg, |
1651 | __u16 phys_addr, |
1652 | __u8 video_latency, |
1653 | __u8 low_latency_mode, |
1654 | __u8 audio_out_compensated, |
1655 | __u8 audio_out_delay) |
1656 | { |
1657 | msg->len = 6; |
1658 | msg->msg[0] |= 0xf; /* broadcast */ |
1659 | msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY; |
1660 | msg->msg[2] = phys_addr >> 8; |
1661 | msg->msg[3] = phys_addr & 0xff; |
1662 | msg->msg[4] = video_latency; |
1663 | msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated; |
1664 | if (audio_out_compensated == 3) |
1665 | msg->msg[msg->len++] = audio_out_delay; |
1666 | } |
1667 | |
1668 | static inline void cec_ops_report_current_latency(const struct cec_msg *msg, |
1669 | __u16 *phys_addr, |
1670 | __u8 *video_latency, |
1671 | __u8 *low_latency_mode, |
1672 | __u8 *audio_out_compensated, |
1673 | __u8 *audio_out_delay) |
1674 | { |
1675 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1676 | *video_latency = msg->msg[4]; |
1677 | *low_latency_mode = (msg->msg[5] >> 2) & 1; |
1678 | *audio_out_compensated = msg->msg[5] & 3; |
1679 | if (*audio_out_compensated == 3 && msg->len >= 7) |
1680 | *audio_out_delay = msg->msg[6]; |
1681 | else |
1682 | *audio_out_delay = 1; |
1683 | } |
1684 | |
1685 | static inline void cec_msg_request_current_latency(struct cec_msg *msg, |
1686 | int reply, |
1687 | __u16 phys_addr) |
1688 | { |
1689 | msg->len = 4; |
1690 | msg->msg[0] |= 0xf; /* broadcast */ |
1691 | msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY; |
1692 | msg->msg[2] = phys_addr >> 8; |
1693 | msg->msg[3] = phys_addr & 0xff; |
1694 | msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0; |
1695 | } |
1696 | |
1697 | static inline void cec_ops_request_current_latency(const struct cec_msg *msg, |
1698 | __u16 *phys_addr) |
1699 | { |
1700 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1701 | } |
1702 | |
1703 | |
1704 | /* Capability Discovery and Control Feature */ |
1705 | static inline void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg, |
1706 | __u16 phys_addr1, |
1707 | __u16 phys_addr2) |
1708 | { |
1709 | msg->len = 9; |
1710 | msg->msg[0] |= 0xf; /* broadcast */ |
1711 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1712 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1713 | msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE; |
1714 | msg->msg[5] = phys_addr1 >> 8; |
1715 | msg->msg[6] = phys_addr1 & 0xff; |
1716 | msg->msg[7] = phys_addr2 >> 8; |
1717 | msg->msg[8] = phys_addr2 & 0xff; |
1718 | } |
1719 | |
1720 | static inline void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg, |
1721 | __u16 *phys_addr, |
1722 | __u16 *phys_addr1, |
1723 | __u16 *phys_addr2) |
1724 | { |
1725 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1726 | *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6]; |
1727 | *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8]; |
1728 | } |
1729 | |
1730 | static inline void cec_msg_cdc_hec_report_state(struct cec_msg *msg, |
1731 | __u16 target_phys_addr, |
1732 | __u8 hec_func_state, |
1733 | __u8 host_func_state, |
1734 | __u8 enc_func_state, |
1735 | __u8 cdc_errcode, |
1736 | __u8 has_field, |
1737 | __u16 hec_field) |
1738 | { |
1739 | msg->len = has_field ? 10 : 8; |
1740 | msg->msg[0] |= 0xf; /* broadcast */ |
1741 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1742 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1743 | msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE; |
1744 | msg->msg[5] = target_phys_addr >> 8; |
1745 | msg->msg[6] = target_phys_addr & 0xff; |
1746 | msg->msg[7] = (hec_func_state << 6) | |
1747 | (host_func_state << 4) | |
1748 | (enc_func_state << 2) | |
1749 | cdc_errcode; |
1750 | if (has_field) { |
1751 | msg->msg[8] = hec_field >> 8; |
1752 | msg->msg[9] = hec_field & 0xff; |
1753 | } |
1754 | } |
1755 | |
1756 | static inline void cec_ops_cdc_hec_report_state(const struct cec_msg *msg, |
1757 | __u16 *phys_addr, |
1758 | __u16 *target_phys_addr, |
1759 | __u8 *hec_func_state, |
1760 | __u8 *host_func_state, |
1761 | __u8 *enc_func_state, |
1762 | __u8 *cdc_errcode, |
1763 | __u8 *has_field, |
1764 | __u16 *hec_field) |
1765 | { |
1766 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1767 | *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6]; |
1768 | *hec_func_state = msg->msg[7] >> 6; |
1769 | *host_func_state = (msg->msg[7] >> 4) & 3; |
1770 | *enc_func_state = (msg->msg[7] >> 4) & 3; |
1771 | *cdc_errcode = msg->msg[7] & 3; |
1772 | *has_field = msg->len >= 10; |
1773 | *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0; |
1774 | } |
1775 | |
1776 | static inline void cec_msg_cdc_hec_set_state(struct cec_msg *msg, |
1777 | __u16 phys_addr1, |
1778 | __u16 phys_addr2, |
1779 | __u8 hec_set_state, |
1780 | __u16 phys_addr3, |
1781 | __u16 phys_addr4, |
1782 | __u16 phys_addr5) |
1783 | { |
1784 | msg->len = 10; |
1785 | msg->msg[0] |= 0xf; /* broadcast */ |
1786 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1787 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1788 | msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE; |
1789 | msg->msg[5] = phys_addr1 >> 8; |
1790 | msg->msg[6] = phys_addr1 & 0xff; |
1791 | msg->msg[7] = phys_addr2 >> 8; |
1792 | msg->msg[8] = phys_addr2 & 0xff; |
1793 | msg->msg[9] = hec_set_state; |
1794 | if (phys_addr3 != CEC_PHYS_ADDR_INVALID) { |
1795 | msg->msg[msg->len++] = phys_addr3 >> 8; |
1796 | msg->msg[msg->len++] = phys_addr3 & 0xff; |
1797 | if (phys_addr4 != CEC_PHYS_ADDR_INVALID) { |
1798 | msg->msg[msg->len++] = phys_addr4 >> 8; |
1799 | msg->msg[msg->len++] = phys_addr4 & 0xff; |
1800 | if (phys_addr5 != CEC_PHYS_ADDR_INVALID) { |
1801 | msg->msg[msg->len++] = phys_addr5 >> 8; |
1802 | msg->msg[msg->len++] = phys_addr5 & 0xff; |
1803 | } |
1804 | } |
1805 | } |
1806 | } |
1807 | |
1808 | static inline void cec_ops_cdc_hec_set_state(const struct cec_msg *msg, |
1809 | __u16 *phys_addr, |
1810 | __u16 *phys_addr1, |
1811 | __u16 *phys_addr2, |
1812 | __u8 *hec_set_state, |
1813 | __u16 *phys_addr3, |
1814 | __u16 *phys_addr4, |
1815 | __u16 *phys_addr5) |
1816 | { |
1817 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1818 | *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6]; |
1819 | *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8]; |
1820 | *hec_set_state = msg->msg[9]; |
1821 | *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID; |
1822 | if (msg->len >= 12) |
1823 | *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11]; |
1824 | if (msg->len >= 14) |
1825 | *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13]; |
1826 | if (msg->len >= 16) |
1827 | *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15]; |
1828 | } |
1829 | |
1830 | static inline void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg, |
1831 | __u16 phys_addr1, |
1832 | __u8 hec_set_state) |
1833 | { |
1834 | msg->len = 8; |
1835 | msg->msg[0] |= 0xf; /* broadcast */ |
1836 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1837 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1838 | msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT; |
1839 | msg->msg[5] = phys_addr1 >> 8; |
1840 | msg->msg[6] = phys_addr1 & 0xff; |
1841 | msg->msg[7] = hec_set_state; |
1842 | } |
1843 | |
1844 | static inline void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg, |
1845 | __u16 *phys_addr, |
1846 | __u16 *phys_addr1, |
1847 | __u8 *hec_set_state) |
1848 | { |
1849 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1850 | *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6]; |
1851 | *hec_set_state = msg->msg[7]; |
1852 | } |
1853 | |
1854 | static inline void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg, |
1855 | __u16 phys_addr1, |
1856 | __u16 phys_addr2, |
1857 | __u16 phys_addr3) |
1858 | { |
1859 | msg->len = 11; |
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_HEC_REQUEST_DEACTIVATION; |
1864 | msg->msg[5] = phys_addr1 >> 8; |
1865 | msg->msg[6] = phys_addr1 & 0xff; |
1866 | msg->msg[7] = phys_addr2 >> 8; |
1867 | msg->msg[8] = phys_addr2 & 0xff; |
1868 | msg->msg[9] = phys_addr3 >> 8; |
1869 | msg->msg[10] = phys_addr3 & 0xff; |
1870 | } |
1871 | |
1872 | static inline void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg, |
1873 | __u16 *phys_addr, |
1874 | __u16 *phys_addr1, |
1875 | __u16 *phys_addr2, |
1876 | __u16 *phys_addr3) |
1877 | { |
1878 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1879 | *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6]; |
1880 | *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8]; |
1881 | *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10]; |
1882 | } |
1883 | |
1884 | static inline void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg) |
1885 | { |
1886 | msg->len = 5; |
1887 | msg->msg[0] |= 0xf; /* broadcast */ |
1888 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1889 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1890 | msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE; |
1891 | } |
1892 | |
1893 | static inline void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg, |
1894 | __u16 *phys_addr) |
1895 | { |
1896 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1897 | } |
1898 | |
1899 | static inline void cec_msg_cdc_hec_discover(struct cec_msg *msg) |
1900 | { |
1901 | msg->len = 5; |
1902 | msg->msg[0] |= 0xf; /* broadcast */ |
1903 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1904 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1905 | msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER; |
1906 | } |
1907 | |
1908 | static inline void cec_ops_cdc_hec_discover(const struct cec_msg *msg, |
1909 | __u16 *phys_addr) |
1910 | { |
1911 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1912 | } |
1913 | |
1914 | static inline void cec_msg_cdc_hpd_set_state(struct cec_msg *msg, |
1915 | __u8 input_port, |
1916 | __u8 hpd_state) |
1917 | { |
1918 | msg->len = 6; |
1919 | msg->msg[0] |= 0xf; /* broadcast */ |
1920 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1921 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1922 | msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE; |
1923 | msg->msg[5] = (input_port << 4) | hpd_state; |
1924 | } |
1925 | |
1926 | static inline void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg, |
1927 | __u16 *phys_addr, |
1928 | __u8 *input_port, |
1929 | __u8 *hpd_state) |
1930 | { |
1931 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1932 | *input_port = msg->msg[5] >> 4; |
1933 | *hpd_state = msg->msg[5] & 0xf; |
1934 | } |
1935 | |
1936 | static inline void cec_msg_cdc_hpd_report_state(struct cec_msg *msg, |
1937 | __u8 hpd_state, |
1938 | __u8 hpd_error) |
1939 | { |
1940 | msg->len = 6; |
1941 | msg->msg[0] |= 0xf; /* broadcast */ |
1942 | msg->msg[1] = CEC_MSG_CDC_MESSAGE; |
1943 | /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */ |
1944 | msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE; |
1945 | msg->msg[5] = (hpd_state << 4) | hpd_error; |
1946 | } |
1947 | |
1948 | static inline void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg, |
1949 | __u16 *phys_addr, |
1950 | __u8 *hpd_state, |
1951 | __u8 *hpd_error) |
1952 | { |
1953 | *phys_addr = (msg->msg[2] << 8) | msg->msg[3]; |
1954 | *hpd_state = msg->msg[5] >> 4; |
1955 | *hpd_error = msg->msg[5] & 0xf; |
1956 | } |
1957 | |
1958 | #endif |
1959 | |