xref: /linux/include/uapi/linux/cec-funcs.h (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)
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 */
cec_msg_active_source(struct cec_msg * msg,__u16 phys_addr)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 
cec_ops_active_source(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_image_view_on(struct cec_msg * msg)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 
cec_msg_text_view_on(struct cec_msg * msg)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 */
cec_msg_inactive_source(struct cec_msg * msg,__u16 phys_addr)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 
cec_ops_inactive_source(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_request_active_source(struct cec_msg * msg,int reply)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 
cec_msg_routing_information(struct cec_msg * msg,__u16 phys_addr)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 
cec_ops_routing_information(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_routing_change(struct cec_msg * msg,int reply,__u16 orig_phys_addr,__u16 new_phys_addr)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 
cec_ops_routing_change(const struct cec_msg * msg,__u16 * orig_phys_addr,__u16 * new_phys_addr)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 
cec_msg_set_stream_path(struct cec_msg * msg,__u16 phys_addr)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 
cec_ops_set_stream_path(const struct cec_msg * msg,__u16 * phys_addr)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 */
cec_msg_standby(struct cec_msg * msg)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 */
cec_msg_record_off(struct cec_msg * msg,int reply)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 
cec_set_digital_service_id(__u8 * msg,const struct cec_op_digital_service_id * digital)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 
cec_get_digital_service_id(const __u8 * msg,struct cec_op_digital_service_id * digital)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 
cec_msg_record_on_own(struct cec_msg * msg)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 
cec_msg_record_on_digital(struct cec_msg * msg,const struct cec_op_digital_service_id * digital)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 + 3, digital);
257 }
258 
cec_msg_record_on_analog(struct cec_msg * msg,__u8 ana_bcast_type,__u16 ana_freq,__u8 bcast_system)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 
cec_msg_record_on_plug(struct cec_msg * msg,__u8 plug)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 
cec_msg_record_on_phys_addr(struct cec_msg * msg,__u16 phys_addr)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 
cec_msg_record_on(struct cec_msg * msg,int reply,const struct cec_op_record_src * rec_src)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, &rec_src->digital);
302 		break;
303 	case CEC_OP_RECORD_SRC_ANALOG:
304 		cec_msg_record_on_analog(msg,
305 					 rec_src->analog.ana_bcast_type,
306 					 rec_src->analog.ana_freq,
307 					 rec_src->analog.bcast_system);
308 		break;
309 	case CEC_OP_RECORD_SRC_EXT_PLUG:
310 		cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
311 		break;
312 	case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
313 		cec_msg_record_on_phys_addr(msg,
314 					    rec_src->ext_phys_addr.phys_addr);
315 		break;
316 	}
317 	msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
318 }
319 
cec_ops_record_on(const struct cec_msg * msg,struct cec_op_record_src * rec_src)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 + 3, &rec_src->digital);
329 		break;
330 	case CEC_OP_RECORD_SRC_ANALOG:
331 		rec_src->analog.ana_bcast_type = msg->msg[3];
332 		rec_src->analog.ana_freq =
333 			(msg->msg[4] << 8) | msg->msg[5];
334 		rec_src->analog.bcast_system = msg->msg[6];
335 		break;
336 	case CEC_OP_RECORD_SRC_EXT_PLUG:
337 		rec_src->ext_plug.plug = msg->msg[3];
338 		break;
339 	case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
340 		rec_src->ext_phys_addr.phys_addr =
341 			(msg->msg[3] << 8) | msg->msg[4];
342 		break;
343 	}
344 }
345 
cec_msg_record_status(struct cec_msg * msg,__u8 rec_status)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 
cec_ops_record_status(const struct cec_msg * msg,__u8 * rec_status)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 
cec_msg_record_tv_screen(struct cec_msg * msg,int reply)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 */
cec_msg_timer_status(struct cec_msg * msg,__u8 timer_overlap_warning,__u8 media_info,__u8 prog_info,__u8 prog_error,__u8 duration_hr,__u8 duration_min)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 
cec_ops_timer_status(const struct cec_msg * msg,__u8 * timer_overlap_warning,__u8 * media_info,__u8 * prog_info,__u8 * prog_error,__u8 * duration_hr,__u8 * duration_min)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 
cec_msg_timer_cleared_status(struct cec_msg * msg,__u8 timer_cleared_status)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 
cec_ops_timer_cleared_status(const struct cec_msg * msg,__u8 * timer_cleared_status)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 
cec_msg_clear_analogue_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,__u8 ana_bcast_type,__u16 ana_freq,__u8 bcast_system)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 
cec_ops_clear_analogue_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,__u8 * ana_bcast_type,__u16 * ana_freq,__u8 * bcast_system)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 
cec_msg_clear_digital_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,const struct cec_op_digital_service_id * digital)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 + 9, digital);
511 }
512 
cec_ops_clear_digital_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,struct cec_op_digital_service_id * digital)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 + 9, digital);
532 }
533 
cec_msg_clear_ext_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,__u8 ext_src_spec,__u8 plug,__u16 phys_addr)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 
cec_ops_clear_ext_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,__u8 * ext_src_spec,__u8 * plug,__u16 * phys_addr)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 
cec_msg_set_analogue_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,__u8 ana_bcast_type,__u16 ana_freq,__u8 bcast_system)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 
cec_ops_set_analogue_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,__u8 * ana_bcast_type,__u16 * ana_freq,__u8 * bcast_system)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 
cec_msg_set_digital_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,const struct cec_op_digital_service_id * digital)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 + 9, digital);
667 }
668 
cec_ops_set_digital_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,struct cec_op_digital_service_id * digital)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 + 9, digital);
688 }
689 
cec_msg_set_ext_timer(struct cec_msg * msg,int reply,__u8 day,__u8 month,__u8 start_hr,__u8 start_min,__u8 duration_hr,__u8 duration_min,__u8 recording_seq,__u8 ext_src_spec,__u8 plug,__u16 phys_addr)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 
cec_ops_set_ext_timer(const struct cec_msg * msg,__u8 * day,__u8 * month,__u8 * start_hr,__u8 * start_min,__u8 * duration_hr,__u8 * duration_min,__u8 * recording_seq,__u8 * ext_src_spec,__u8 * plug,__u16 * phys_addr)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 
cec_msg_set_timer_program_title(struct cec_msg * msg,const char * prog_title)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 
cec_ops_set_timer_program_title(const struct cec_msg * msg,char * prog_title)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 */
cec_msg_cec_version(struct cec_msg * msg,__u8 cec_version)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 
cec_ops_cec_version(const struct cec_msg * msg,__u8 * cec_version)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 
cec_msg_get_cec_version(struct cec_msg * msg,int reply)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 
cec_msg_report_physical_addr(struct cec_msg * msg,__u16 phys_addr,__u8 prim_devtype)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 
cec_ops_report_physical_addr(const struct cec_msg * msg,__u16 * phys_addr,__u8 * prim_devtype)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 
cec_msg_give_physical_addr(struct cec_msg * msg,int reply)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 
cec_msg_set_menu_language(struct cec_msg * msg,const char * language)816 static inline void cec_msg_set_menu_language(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 
cec_ops_set_menu_language(const struct cec_msg * msg,char * language)825 static inline void cec_ops_set_menu_language(const struct cec_msg *msg,
826 					     char *language)
827 {
828 	memcpy(language, msg->msg + 2, 3);
829 	language[3] = '\0';
830 }
831 
cec_msg_get_menu_language(struct cec_msg * msg,int reply)832 static inline void cec_msg_get_menu_language(struct cec_msg *msg,
833 					     int reply)
834 {
835 	msg->len = 2;
836 	msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
837 	msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
838 }
839 
840 /*
841  * Assumes a single RC Profile byte and a single Device Features byte,
842  * i.e. no extended features are supported by this helper function.
843  *
844  * As of CEC 2.0 no extended features are defined, should those be added
845  * in the future, then this function needs to be adapted or a new function
846  * should be added.
847  */
cec_msg_report_features(struct cec_msg * msg,__u8 cec_version,__u8 all_device_types,__u8 rc_profile,__u8 dev_features)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 
cec_ops_report_features(const struct cec_msg * msg,__u8 * cec_version,__u8 * all_device_types,const __u8 ** rc_profile,const __u8 ** dev_features)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 
cec_msg_give_features(struct cec_msg * msg,int reply)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 */
cec_msg_deck_control(struct cec_msg * msg,__u8 deck_control_mode)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 
cec_ops_deck_control(const struct cec_msg * msg,__u8 * deck_control_mode)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 
cec_msg_deck_status(struct cec_msg * msg,__u8 deck_info)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 
cec_ops_deck_status(const struct cec_msg * msg,__u8 * deck_info)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 
cec_msg_give_deck_status(struct cec_msg * msg,int reply,__u8 status_req)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 
cec_ops_give_deck_status(const struct cec_msg * msg,__u8 * status_req)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 
cec_msg_play(struct cec_msg * msg,__u8 play_mode)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 
cec_ops_play(const struct cec_msg * msg,__u8 * play_mode)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 
cec_msg_tuner_device_status_analog(struct cec_msg * msg,__u8 rec_flag,__u8 tuner_display_info,__u8 ana_bcast_type,__u16 ana_freq,__u8 bcast_system)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 
cec_msg_tuner_device_status_digital(struct cec_msg * msg,__u8 rec_flag,__u8 tuner_display_info,const struct cec_op_digital_service_id * digital)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 + 3, digital);
990 }
991 
cec_msg_tuner_device_status(struct cec_msg * msg,const struct cec_op_tuner_device_info * tuner_dev_info)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 			tuner_dev_info->rec_flag,
998 			tuner_dev_info->tuner_display_info,
999 			tuner_dev_info->analog.ana_bcast_type,
1000 			tuner_dev_info->analog.ana_freq,
1001 			tuner_dev_info->analog.bcast_system);
1002 	else
1003 		cec_msg_tuner_device_status_digital(msg,
1004 			tuner_dev_info->rec_flag,
1005 			tuner_dev_info->tuner_display_info,
1006 			&tuner_dev_info->digital);
1007 }
1008 
cec_ops_tuner_device_status(const struct cec_msg * msg,struct cec_op_tuner_device_info * tuner_dev_info)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 + 3, &tuner_dev_info->digital);
1022 }
1023 
cec_msg_give_tuner_device_status(struct cec_msg * msg,int reply,__u8 status_req)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 
cec_ops_give_tuner_device_status(const struct cec_msg * msg,__u8 * status_req)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 
cec_msg_select_analogue_service(struct cec_msg * msg,__u8 ana_bcast_type,__u16 ana_freq,__u8 bcast_system)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 
cec_ops_select_analogue_service(const struct cec_msg * msg,__u8 * ana_bcast_type,__u16 * ana_freq,__u8 * bcast_system)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 
cec_msg_select_digital_service(struct cec_msg * msg,const struct cec_op_digital_service_id * digital)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 + 2, digital);
1070 }
1071 
cec_ops_select_digital_service(const struct cec_msg * msg,struct cec_op_digital_service_id * digital)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 + 2, digital);
1076 }
1077 
cec_msg_tuner_step_decrement(struct cec_msg * msg)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 
cec_msg_tuner_step_increment(struct cec_msg * msg)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 */
cec_msg_device_vendor_id(struct cec_msg * msg,__u32 vendor_id)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 
cec_ops_device_vendor_id(const struct cec_msg * msg,__u32 * vendor_id)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 
cec_msg_give_device_vendor_id(struct cec_msg * msg,int reply)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 
cec_msg_vendor_command(struct cec_msg * msg,__u8 size,const __u8 * vendor_cmd)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 
cec_ops_vendor_command(const struct cec_msg * msg,__u8 * size,const __u8 ** vendor_cmd)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 
cec_msg_vendor_command_with_id(struct cec_msg * msg,__u32 vendor_id,__u8 size,const __u8 * vendor_cmd)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 
cec_ops_vendor_command_with_id(const struct cec_msg * msg,__u32 * vendor_id,__u8 * size,const __u8 ** vendor_cmd)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 
cec_msg_vendor_remote_button_down(struct cec_msg * msg,__u8 size,const __u8 * rc_code)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 
cec_ops_vendor_remote_button_down(const struct cec_msg * msg,__u8 * size,const __u8 ** rc_code)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 
cec_msg_vendor_remote_button_up(struct cec_msg * msg)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 */
cec_msg_set_osd_string(struct cec_msg * msg,__u8 disp_ctl,const char * osd)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 
cec_ops_set_osd_string(const struct cec_msg * msg,__u8 * disp_ctl,char * osd)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 */
cec_msg_set_osd_name(struct cec_msg * msg,const char * name)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 
cec_ops_set_osd_name(const struct cec_msg * msg,char * name)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 
cec_msg_give_osd_name(struct cec_msg * msg,int reply)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 */
cec_msg_menu_status(struct cec_msg * msg,__u8 menu_state)1254 static inline void cec_msg_menu_status(struct cec_msg *msg,
1255 				       __u8 menu_state)
1256 {
1257 	msg->len = 3;
1258 	msg->msg[1] = CEC_MSG_MENU_STATUS;
1259 	msg->msg[2] = menu_state;
1260 }
1261 
cec_ops_menu_status(const struct cec_msg * msg,__u8 * menu_state)1262 static inline void cec_ops_menu_status(const struct cec_msg *msg,
1263 				       __u8 *menu_state)
1264 {
1265 	*menu_state = msg->msg[2];
1266 }
1267 
cec_msg_menu_request(struct cec_msg * msg,int reply,__u8 menu_req)1268 static inline void cec_msg_menu_request(struct cec_msg *msg,
1269 					int reply,
1270 					__u8 menu_req)
1271 {
1272 	msg->len = 3;
1273 	msg->msg[1] = CEC_MSG_MENU_REQUEST;
1274 	msg->msg[2] = menu_req;
1275 	msg->reply = reply ? CEC_MSG_MENU_STATUS : 0;
1276 }
1277 
cec_ops_menu_request(const struct cec_msg * msg,__u8 * menu_req)1278 static inline void cec_ops_menu_request(const struct cec_msg *msg,
1279 					__u8 *menu_req)
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 
cec_msg_user_control_pressed(struct cec_msg * msg,const struct cec_op_ui_command * ui_cmd)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 
cec_ops_user_control_pressed(const struct cec_msg * msg,struct cec_op_ui_command * ui_cmd)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 
cec_msg_user_control_released(struct cec_msg * msg)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 */
cec_msg_report_power_status(struct cec_msg * msg,__u8 pwr_state)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 
cec_ops_report_power_status(const struct cec_msg * msg,__u8 * pwr_state)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 
cec_msg_give_device_power_status(struct cec_msg * msg,int reply)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 */
cec_msg_feature_abort(struct cec_msg * msg,__u8 abort_msg,__u8 reason)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 
cec_ops_feature_abort(const struct cec_msg * msg,__u8 * abort_msg,__u8 * reason)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 */
cec_msg_reply_feature_abort(struct cec_msg * msg,__u8 reason)1406 static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1407 {
1408 	cec_msg_set_reply_to(msg, msg);
1409 	msg->len = 4;
1410 	msg->msg[2] = msg->msg[1];
1411 	msg->msg[3] = reason;
1412 	msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1413 }
1414 
cec_msg_abort(struct cec_msg * msg)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 */
cec_msg_report_audio_status(struct cec_msg * msg,__u8 aud_mute_status,__u8 aud_vol_status)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 
cec_ops_report_audio_status(const struct cec_msg * msg,__u8 * aud_mute_status,__u8 * aud_vol_status)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 
cec_msg_give_audio_status(struct cec_msg * msg,int reply)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 
cec_msg_set_system_audio_mode(struct cec_msg * msg,__u8 sys_aud_status)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 
cec_ops_set_system_audio_mode(const struct cec_msg * msg,__u8 * sys_aud_status)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 
cec_msg_system_audio_mode_request(struct cec_msg * msg,int reply,__u16 phys_addr)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 
cec_ops_system_audio_mode_request(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_system_audio_mode_status(struct cec_msg * msg,__u8 sys_aud_status)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 
cec_ops_system_audio_mode_status(const struct cec_msg * msg,__u8 * sys_aud_status)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 
cec_msg_give_system_audio_mode_status(struct cec_msg * msg,int reply)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 
cec_msg_report_short_audio_descriptor(struct cec_msg * msg,__u8 num_descriptors,const __u32 * descriptors)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 
cec_ops_report_short_audio_descriptor(const struct cec_msg * msg,__u8 * num_descriptors,__u32 * descriptors)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 
cec_msg_request_short_audio_descriptor(struct cec_msg * msg,int reply,__u8 num_descriptors,const __u8 * audio_format_id,const __u8 * audio_format_code)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 
cec_ops_request_short_audio_descriptor(const struct cec_msg * msg,__u8 * num_descriptors,__u8 * audio_format_id,__u8 * audio_format_code)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 
cec_msg_set_audio_volume_level(struct cec_msg * msg,__u8 audio_volume_level)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 
cec_ops_set_audio_volume_level(const struct cec_msg * msg,__u8 * audio_volume_level)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 */
cec_msg_set_audio_rate(struct cec_msg * msg,__u8 audio_rate)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 
cec_ops_set_audio_rate(const struct cec_msg * msg,__u8 * audio_rate)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 */
cec_msg_report_arc_initiated(struct cec_msg * msg)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 
cec_msg_initiate_arc(struct cec_msg * msg,int reply)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 
cec_msg_request_arc_initiation(struct cec_msg * msg,int reply)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 
cec_msg_report_arc_terminated(struct cec_msg * msg)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 
cec_msg_terminate_arc(struct cec_msg * msg,int reply)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 
cec_msg_request_arc_termination(struct cec_msg * msg,int reply)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 */
cec_msg_report_current_latency(struct cec_msg * msg,__u16 phys_addr,__u8 video_latency,__u8 low_latency_mode,__u8 audio_out_compensated,__u8 audio_out_delay)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 
cec_ops_report_current_latency(const struct cec_msg * msg,__u16 * phys_addr,__u8 * video_latency,__u8 * low_latency_mode,__u8 * audio_out_compensated,__u8 * audio_out_delay)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 
cec_msg_request_current_latency(struct cec_msg * msg,int reply,__u16 phys_addr)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 
cec_ops_request_current_latency(const struct cec_msg * msg,__u16 * phys_addr)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 */
cec_msg_cdc_hec_inquire_state(struct cec_msg * msg,__u16 phys_addr1,__u16 phys_addr2)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 
cec_ops_cdc_hec_inquire_state(const struct cec_msg * msg,__u16 * phys_addr,__u16 * phys_addr1,__u16 * phys_addr2)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 
cec_msg_cdc_hec_report_state(struct cec_msg * msg,__u16 target_phys_addr,__u8 hec_func_state,__u8 host_func_state,__u8 enc_func_state,__u8 cdc_errcode,__u8 has_field,__u16 hec_field)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 
cec_ops_cdc_hec_report_state(const struct cec_msg * msg,__u16 * phys_addr,__u16 * target_phys_addr,__u8 * hec_func_state,__u8 * host_func_state,__u8 * enc_func_state,__u8 * cdc_errcode,__u8 * has_field,__u16 * hec_field)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 
cec_msg_cdc_hec_set_state(struct cec_msg * msg,__u16 phys_addr1,__u16 phys_addr2,__u8 hec_set_state,__u16 phys_addr3,__u16 phys_addr4,__u16 phys_addr5)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 
cec_ops_cdc_hec_set_state(const struct cec_msg * msg,__u16 * phys_addr,__u16 * phys_addr1,__u16 * phys_addr2,__u8 * hec_set_state,__u16 * phys_addr3,__u16 * phys_addr4,__u16 * phys_addr5)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 
cec_msg_cdc_hec_set_state_adjacent(struct cec_msg * msg,__u16 phys_addr1,__u8 hec_set_state)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 
cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg * msg,__u16 * phys_addr,__u16 * phys_addr1,__u8 * hec_set_state)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 
cec_msg_cdc_hec_request_deactivation(struct cec_msg * msg,__u16 phys_addr1,__u16 phys_addr2,__u16 phys_addr3)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 
cec_ops_cdc_hec_request_deactivation(const struct cec_msg * msg,__u16 * phys_addr,__u16 * phys_addr1,__u16 * phys_addr2,__u16 * phys_addr3)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 
cec_msg_cdc_hec_notify_alive(struct cec_msg * msg)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 
cec_ops_cdc_hec_notify_alive(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_cdc_hec_discover(struct cec_msg * msg)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 
cec_ops_cdc_hec_discover(const struct cec_msg * msg,__u16 * phys_addr)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 
cec_msg_cdc_hpd_set_state(struct cec_msg * msg,__u8 input_port,__u8 hpd_state)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 
cec_ops_cdc_hpd_set_state(const struct cec_msg * msg,__u16 * phys_addr,__u8 * input_port,__u8 * hpd_state)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 
cec_msg_cdc_hpd_report_state(struct cec_msg * msg,__u8 hpd_state,__u8 hpd_error)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 
cec_ops_cdc_hpd_report_state(const struct cec_msg * msg,__u16 * phys_addr,__u8 * hpd_state,__u8 * hpd_error)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