cec-funcs.h 53 KB

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