root/include/uapi/linux/cec-funcs.h

INCLUDED FROM

DEFINITIONS

1. cec_msg_active_source
2. cec_ops_active_source
3. cec_msg_image_view_on
4. cec_msg_text_view_on
5. cec_msg_inactive_source
6. cec_ops_inactive_source
7. cec_msg_request_active_source
8. cec_msg_routing_information
9. cec_ops_routing_information
10. cec_msg_routing_change
11. cec_ops_routing_change
12. cec_msg_set_stream_path
13. cec_ops_set_stream_path
14. cec_msg_standby
15. cec_msg_record_off
16. cec_set_digital_service_id
17. cec_get_digital_service_id
18. cec_msg_record_on_own
19. cec_msg_record_on_digital
20. cec_msg_record_on_analog
21. cec_msg_record_on_plug
22. cec_msg_record_on_phys_addr
23. cec_msg_record_on
24. cec_ops_record_on
25. cec_msg_record_status
26. cec_ops_record_status
27. cec_msg_record_tv_screen
28. cec_msg_timer_status
29. cec_ops_timer_status
30. cec_msg_timer_cleared_status
31. cec_ops_timer_cleared_status
32. cec_msg_clear_analogue_timer
33. cec_ops_clear_analogue_timer
34. cec_msg_clear_digital_timer
35. cec_ops_clear_digital_timer
36. cec_msg_clear_ext_timer
37. cec_ops_clear_ext_timer
38. cec_msg_set_analogue_timer
39. cec_ops_set_analogue_timer
40. cec_msg_set_digital_timer
41. cec_ops_set_digital_timer
42. cec_msg_set_ext_timer
43. cec_ops_set_ext_timer
44. cec_msg_set_timer_program_title
45. cec_ops_set_timer_program_title
46. cec_msg_cec_version
47. cec_ops_cec_version
48. cec_msg_get_cec_version
49. cec_msg_report_physical_addr
50. cec_ops_report_physical_addr
51. cec_msg_give_physical_addr
52. cec_msg_set_menu_language
53. cec_ops_set_menu_language
54. cec_msg_get_menu_language
55. cec_msg_report_features
56. cec_ops_report_features
57. cec_msg_give_features
58. cec_msg_deck_control
59. cec_ops_deck_control
60. cec_msg_deck_status
61. cec_ops_deck_status
62. cec_msg_give_deck_status
63. cec_ops_give_deck_status
64. cec_msg_play
65. cec_ops_play
66. cec_msg_tuner_device_status_analog
67. cec_msg_tuner_device_status_digital
68. cec_msg_tuner_device_status
69. cec_ops_tuner_device_status
70. cec_msg_give_tuner_device_status
71. cec_ops_give_tuner_device_status
72. cec_msg_select_analogue_service
73. cec_ops_select_analogue_service
74. cec_msg_select_digital_service
75. cec_ops_select_digital_service
76. cec_msg_tuner_step_decrement
77. cec_msg_tuner_step_increment
78. cec_msg_device_vendor_id
79. cec_ops_device_vendor_id
80. cec_msg_give_device_vendor_id
81. cec_msg_vendor_command
82. cec_ops_vendor_command
83. cec_msg_vendor_command_with_id
84. cec_ops_vendor_command_with_id
85. cec_msg_vendor_remote_button_down
86. cec_ops_vendor_remote_button_down
87. cec_msg_vendor_remote_button_up
88. cec_msg_set_osd_string
89. cec_ops_set_osd_string
90. cec_msg_set_osd_name
91. cec_ops_set_osd_name
92. cec_msg_give_osd_name
93. cec_msg_menu_status
94. cec_ops_menu_status
95. cec_msg_menu_request
96. cec_ops_menu_request
97. cec_msg_user_control_pressed
98. cec_ops_user_control_pressed
99. cec_msg_user_control_released
100. cec_msg_report_power_status
101. cec_ops_report_power_status
102. cec_msg_give_device_power_status
103. cec_msg_feature_abort
104. cec_ops_feature_abort
105. cec_msg_reply_feature_abort
106. cec_msg_abort
107. cec_msg_report_audio_status
108. cec_ops_report_audio_status
109. cec_msg_give_audio_status
110. cec_msg_set_system_audio_mode
111. cec_ops_set_system_audio_mode
112. cec_msg_system_audio_mode_request
113. cec_ops_system_audio_mode_request
114. cec_msg_system_audio_mode_status
115. cec_ops_system_audio_mode_status
116. cec_msg_give_system_audio_mode_status
117. cec_msg_report_short_audio_descriptor
118. cec_ops_report_short_audio_descriptor
119. cec_msg_request_short_audio_descriptor
120. cec_ops_request_short_audio_descriptor
121. cec_msg_set_audio_rate
122. cec_ops_set_audio_rate
123. cec_msg_report_arc_initiated
124. cec_msg_initiate_arc
125. cec_msg_request_arc_initiation
126. cec_msg_report_arc_terminated
127. cec_msg_terminate_arc
128. cec_msg_request_arc_termination
129. cec_msg_report_current_latency
130. cec_ops_report_current_latency
131. cec_msg_request_current_latency
132. cec_ops_request_current_latency
133. cec_msg_cdc_hec_inquire_state
134. cec_ops_cdc_hec_inquire_state
135. cec_msg_cdc_hec_report_state
136. cec_ops_cdc_hec_report_state
137. cec_msg_cdc_hec_set_state
138. cec_ops_cdc_hec_set_state
139. cec_msg_cdc_hec_set_state_adjacent
140. cec_ops_cdc_hec_set_state_adjacent
141. cec_msg_cdc_hec_request_deactivation
142. cec_ops_cdc_hec_request_deactivation
143. cec_msg_cdc_hec_notify_alive
144. cec_ops_cdc_hec_notify_alive
145. cec_msg_cdc_hec_discover
146. cec_ops_cdc_hec_discover
147. cec_msg_cdc_hpd_set_state
148. cec_ops_cdc_hpd_set_state
149. cec_msg_cdc_hpd_report_state
150. cec_ops_cdc_hpd_report_state

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
   2 /*
   3  * cec - HDMI Consumer Electronics Control message functions
   4  *
   5  * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   6  */
   7 
   8 #ifndef _CEC_UAPI_FUNCS_H
   9 #define _CEC_UAPI_FUNCS_H
  10 
  11 #include <linux/cec.h>
  12 
  13 /* One Touch Play Feature */
  14 static inline void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr)
  15 {
  16         msg->len = 4;
  17         msg->msg[0] |= 0xf; /* broadcast */
  18         msg->msg[1] = CEC_MSG_ACTIVE_SOURCE;
  19         msg->msg[2] = phys_addr >> 8;
  20         msg->msg[3] = phys_addr & 0xff;
  21 }
  22 
  23 static inline void cec_ops_active_source(const struct cec_msg *msg,
  24                                          __u16 *phys_addr)
  25 {
  26         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
  27 }
  28 
  29 static inline void cec_msg_image_view_on(struct cec_msg *msg)
  30 {
  31         msg->len = 2;
  32         msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON;
  33 }
  34 
  35 static inline void cec_msg_text_view_on(struct cec_msg *msg)
  36 {
  37         msg->len = 2;
  38         msg->msg[1] = CEC_MSG_TEXT_VIEW_ON;
  39 }
  40 
  41 
  42 /* Routing Control Feature */
  43 static inline void cec_msg_inactive_source(struct cec_msg *msg,
  44                                            __u16 phys_addr)
  45 {
  46         msg->len = 4;
  47         msg->msg[1] = CEC_MSG_INACTIVE_SOURCE;
  48         msg->msg[2] = phys_addr >> 8;
  49         msg->msg[3] = phys_addr & 0xff;
  50 }
  51 
  52 static inline void cec_ops_inactive_source(const struct cec_msg *msg,
  53                                            __u16 *phys_addr)
  54 {
  55         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
  56 }
  57 
  58 static inline void cec_msg_request_active_source(struct cec_msg *msg,
  59                                                  int reply)
  60 {
  61         msg->len = 2;
  62         msg->msg[0] |= 0xf; /* broadcast */
  63         msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE;
  64         msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0;
  65 }
  66 
  67 static inline void cec_msg_routing_information(struct cec_msg *msg,
  68                                                __u16 phys_addr)
  69 {
  70         msg->len = 4;
  71         msg->msg[0] |= 0xf; /* broadcast */
  72         msg->msg[1] = CEC_MSG_ROUTING_INFORMATION;
  73         msg->msg[2] = phys_addr >> 8;
  74         msg->msg[3] = phys_addr & 0xff;
  75 }
  76 
  77 static inline void cec_ops_routing_information(const struct cec_msg *msg,
  78                                                __u16 *phys_addr)
  79 {
  80         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
  81 }
  82 
  83 static inline void cec_msg_routing_change(struct cec_msg *msg,
  84                                           int reply,
  85                                           __u16 orig_phys_addr,
  86                                           __u16 new_phys_addr)
  87 {
  88         msg->len = 6;
  89         msg->msg[0] |= 0xf; /* broadcast */
  90         msg->msg[1] = CEC_MSG_ROUTING_CHANGE;
  91         msg->msg[2] = orig_phys_addr >> 8;
  92         msg->msg[3] = orig_phys_addr & 0xff;
  93         msg->msg[4] = new_phys_addr >> 8;
  94         msg->msg[5] = new_phys_addr & 0xff;
  95         msg->reply = reply ? CEC_MSG_ROUTING_INFORMATION : 0;
  96 }
  97 
  98 static inline void cec_ops_routing_change(const struct cec_msg *msg,
  99                                           __u16 *orig_phys_addr,
 100                                           __u16 *new_phys_addr)
 101 {
 102         *orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3];
 103         *new_phys_addr = (msg->msg[4] << 8) | msg->msg[5];
 104 }
 105 
 106 static inline void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr)
 107 {
 108         msg->len = 4;
 109         msg->msg[0] |= 0xf; /* broadcast */
 110         msg->msg[1] = CEC_MSG_SET_STREAM_PATH;
 111         msg->msg[2] = phys_addr >> 8;
 112         msg->msg[3] = phys_addr & 0xff;
 113 }
 114 
 115 static inline void cec_ops_set_stream_path(const struct cec_msg *msg,
 116                                            __u16 *phys_addr)
 117 {
 118         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
 119 }
 120 
 121 
 122 /* Standby Feature */
 123 static inline void cec_msg_standby(struct cec_msg *msg)
 124 {
 125         msg->len = 2;
 126         msg->msg[1] = CEC_MSG_STANDBY;
 127 }
 128 
 129 
 130 /* One Touch Record Feature */
 131 static inline void cec_msg_record_off(struct cec_msg *msg, int reply)
 132 {
 133         msg->len = 2;
 134         msg->msg[1] = CEC_MSG_RECORD_OFF;
 135         msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
 136 }
 137 
 138 struct cec_op_arib_data {
 139         __u16 transport_id;
 140         __u16 service_id;
 141         __u16 orig_network_id;
 142 };
 143 
 144 struct cec_op_atsc_data {
 145         __u16 transport_id;
 146         __u16 program_number;
 147 };
 148 
 149 struct cec_op_dvb_data {
 150         __u16 transport_id;
 151         __u16 service_id;
 152         __u16 orig_network_id;
 153 };
 154 
 155 struct cec_op_channel_data {
 156         __u8 channel_number_fmt;
 157         __u16 major;
 158         __u16 minor;
 159 };
 160 
 161 struct cec_op_digital_service_id {
 162         __u8 service_id_method;
 163         __u8 dig_bcast_system;
 164         union {
 165                 struct cec_op_arib_data arib;
 166                 struct cec_op_atsc_data atsc;
 167                 struct cec_op_dvb_data dvb;
 168                 struct cec_op_channel_data channel;
 169         };
 170 };
 171 
 172 struct cec_op_record_src {
 173         __u8 type;
 174         union {
 175                 struct cec_op_digital_service_id digital;
 176                 struct {
 177                         __u8 ana_bcast_type;
 178                         __u16 ana_freq;
 179                         __u8 bcast_system;
 180                 } analog;
 181                 struct {
 182                         __u8 plug;
 183                 } ext_plug;
 184                 struct {
 185                         __u16 phys_addr;
 186                 } ext_phys_addr;
 187         };
 188 };
 189 
 190 static inline void cec_set_digital_service_id(__u8 *msg,
 191               const struct cec_op_digital_service_id *digital)
 192 {
 193         *msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system;
 194         if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
 195                 *msg++ = (digital->channel.channel_number_fmt << 2) |
 196                          (digital->channel.major >> 8);
 197                 *msg++ = digital->channel.major & 0xff;
 198                 *msg++ = digital->channel.minor >> 8;
 199                 *msg++ = digital->channel.minor & 0xff;
 200                 *msg++ = 0;
 201                 *msg++ = 0;
 202                 return;
 203         }
 204         switch (digital->dig_bcast_system) {
 205         case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN:
 206         case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE:
 207         case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT:
 208         case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T:
 209                 *msg++ = digital->atsc.transport_id >> 8;
 210                 *msg++ = digital->atsc.transport_id & 0xff;
 211                 *msg++ = digital->atsc.program_number >> 8;
 212                 *msg++ = digital->atsc.program_number & 0xff;
 213                 *msg++ = 0;
 214                 *msg++ = 0;
 215                 break;
 216         default:
 217                 *msg++ = digital->dvb.transport_id >> 8;
 218                 *msg++ = digital->dvb.transport_id & 0xff;
 219                 *msg++ = digital->dvb.service_id >> 8;
 220                 *msg++ = digital->dvb.service_id & 0xff;
 221                 *msg++ = digital->dvb.orig_network_id >> 8;
 222                 *msg++ = digital->dvb.orig_network_id & 0xff;
 223                 break;
 224         }
 225 }
 226 
 227 static inline void cec_get_digital_service_id(const __u8 *msg,
 228               struct cec_op_digital_service_id *digital)
 229 {
 230         digital->service_id_method = msg[0] >> 7;
 231         digital->dig_bcast_system = msg[0] & 0x7f;
 232         if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
 233                 digital->channel.channel_number_fmt = msg[1] >> 2;
 234                 digital->channel.major = ((msg[1] & 3) << 6) | msg[2];
 235                 digital->channel.minor = (msg[3] << 8) | msg[4];
 236                 return;
 237         }
 238         digital->dvb.transport_id = (msg[1] << 8) | msg[2];
 239         digital->dvb.service_id = (msg[3] << 8) | msg[4];
 240         digital->dvb.orig_network_id = (msg[5] << 8) | msg[6];
 241 }
 242 
 243 static inline void cec_msg_record_on_own(struct cec_msg *msg)
 244 {
 245         msg->len = 3;
 246         msg->msg[1] = CEC_MSG_RECORD_ON;
 247         msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
 248 }
 249 
 250 static inline void cec_msg_record_on_digital(struct cec_msg *msg,
 251                              const struct cec_op_digital_service_id *digital)
 252 {
 253         msg->len = 10;
 254         msg->msg[1] = CEC_MSG_RECORD_ON;
 255         msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL;
 256         cec_set_digital_service_id(msg->msg + 3, digital);
 257 }
 258 
 259 static inline void cec_msg_record_on_analog(struct cec_msg *msg,
 260                                             __u8 ana_bcast_type,
 261                                             __u16 ana_freq,
 262                                             __u8 bcast_system)
 263 {
 264         msg->len = 7;
 265         msg->msg[1] = CEC_MSG_RECORD_ON;
 266         msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG;
 267         msg->msg[3] = ana_bcast_type;
 268         msg->msg[4] = ana_freq >> 8;
 269         msg->msg[5] = ana_freq & 0xff;
 270         msg->msg[6] = bcast_system;
 271 }
 272 
 273 static inline void cec_msg_record_on_plug(struct cec_msg *msg,
 274                                           __u8 plug)
 275 {
 276         msg->len = 4;
 277         msg->msg[1] = CEC_MSG_RECORD_ON;
 278         msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
 279         msg->msg[3] = plug;
 280 }
 281 
 282 static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
 283                                                __u16 phys_addr)
 284 {
 285         msg->len = 5;
 286         msg->msg[1] = CEC_MSG_RECORD_ON;
 287         msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR;
 288         msg->msg[3] = phys_addr >> 8;
 289         msg->msg[4] = phys_addr & 0xff;
 290 }
 291 
 292 static inline void cec_msg_record_on(struct cec_msg *msg,
 293                                      int reply,
 294                                      const struct cec_op_record_src *rec_src)
 295 {
 296         switch (rec_src->type) {
 297         case CEC_OP_RECORD_SRC_OWN:
 298                 cec_msg_record_on_own(msg);
 299                 break;
 300         case CEC_OP_RECORD_SRC_DIGITAL:
 301                 cec_msg_record_on_digital(msg, &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 
 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 
 346 static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
 347 {
 348         msg->len = 3;
 349         msg->msg[1] = CEC_MSG_RECORD_STATUS;
 350         msg->msg[2] = rec_status;
 351 }
 352 
 353 static inline void cec_ops_record_status(const struct cec_msg *msg,
 354                                          __u8 *rec_status)
 355 {
 356         *rec_status = msg->msg[2];
 357 }
 358 
 359 static inline void cec_msg_record_tv_screen(struct cec_msg *msg,
 360                                             int reply)
 361 {
 362         msg->len = 2;
 363         msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
 364         msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
 365 }
 366 
 367 
 368 /* Timer Programming Feature */
 369 static inline void cec_msg_timer_status(struct cec_msg *msg,
 370                                         __u8 timer_overlap_warning,
 371                                         __u8 media_info,
 372                                         __u8 prog_info,
 373                                         __u8 prog_error,
 374                                         __u8 duration_hr,
 375                                         __u8 duration_min)
 376 {
 377         msg->len = 3;
 378         msg->msg[1] = CEC_MSG_TIMER_STATUS;
 379         msg->msg[2] = (timer_overlap_warning << 7) |
 380                 (media_info << 5) |
 381                 (prog_info ? 0x10 : 0) |
 382                 (prog_info ? prog_info : prog_error);
 383         if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
 384             prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
 385             prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
 386                 msg->len += 2;
 387                 msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 388                 msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
 389         }
 390 }
 391 
 392 static inline void cec_ops_timer_status(const struct cec_msg *msg,
 393                                         __u8 *timer_overlap_warning,
 394                                         __u8 *media_info,
 395                                         __u8 *prog_info,
 396                                         __u8 *prog_error,
 397                                         __u8 *duration_hr,
 398                                         __u8 *duration_min)
 399 {
 400         *timer_overlap_warning = msg->msg[2] >> 7;
 401         *media_info = (msg->msg[2] >> 5) & 3;
 402         if (msg->msg[2] & 0x10) {
 403                 *prog_info = msg->msg[2] & 0xf;
 404                 *prog_error = 0;
 405         } else {
 406                 *prog_info = 0;
 407                 *prog_error = msg->msg[2] & 0xf;
 408         }
 409         if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
 410             *prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
 411             *prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
 412                 *duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf);
 413                 *duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 414         } else {
 415                 *duration_hr = *duration_min = 0;
 416         }
 417 }
 418 
 419 static inline void cec_msg_timer_cleared_status(struct cec_msg *msg,
 420                                                 __u8 timer_cleared_status)
 421 {
 422         msg->len = 3;
 423         msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
 424         msg->msg[2] = timer_cleared_status;
 425 }
 426 
 427 static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg,
 428                                                 __u8 *timer_cleared_status)
 429 {
 430         *timer_cleared_status = msg->msg[2];
 431 }
 432 
 433 static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg,
 434                                                 int reply,
 435                                                 __u8 day,
 436                                                 __u8 month,
 437                                                 __u8 start_hr,
 438                                                 __u8 start_min,
 439                                                 __u8 duration_hr,
 440                                                 __u8 duration_min,
 441                                                 __u8 recording_seq,
 442                                                 __u8 ana_bcast_type,
 443                                                 __u16 ana_freq,
 444                                                 __u8 bcast_system)
 445 {
 446         msg->len = 13;
 447         msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
 448         msg->msg[2] = day;
 449         msg->msg[3] = month;
 450         /* Hours and minutes are in BCD format */
 451         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 452         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 453         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 454         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 455         msg->msg[8] = recording_seq;
 456         msg->msg[9] = ana_bcast_type;
 457         msg->msg[10] = ana_freq >> 8;
 458         msg->msg[11] = ana_freq & 0xff;
 459         msg->msg[12] = bcast_system;
 460         msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
 461 }
 462 
 463 static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
 464                                                 __u8 *day,
 465                                                 __u8 *month,
 466                                                 __u8 *start_hr,
 467                                                 __u8 *start_min,
 468                                                 __u8 *duration_hr,
 469                                                 __u8 *duration_min,
 470                                                 __u8 *recording_seq,
 471                                                 __u8 *ana_bcast_type,
 472                                                 __u16 *ana_freq,
 473                                                 __u8 *bcast_system)
 474 {
 475         *day = msg->msg[2];
 476         *month = msg->msg[3];
 477         /* Hours and minutes are in BCD format */
 478         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 479         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 480         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 481         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 482         *recording_seq = msg->msg[8];
 483         *ana_bcast_type = msg->msg[9];
 484         *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
 485         *bcast_system = msg->msg[12];
 486 }
 487 
 488 static inline void cec_msg_clear_digital_timer(struct cec_msg *msg,
 489                                 int reply,
 490                                 __u8 day,
 491                                 __u8 month,
 492                                 __u8 start_hr,
 493                                 __u8 start_min,
 494                                 __u8 duration_hr,
 495                                 __u8 duration_min,
 496                                 __u8 recording_seq,
 497                                 const struct cec_op_digital_service_id *digital)
 498 {
 499         msg->len = 16;
 500         msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
 501         msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
 502         msg->msg[2] = day;
 503         msg->msg[3] = month;
 504         /* Hours and minutes are in BCD format */
 505         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 506         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 507         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 508         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 509         msg->msg[8] = recording_seq;
 510         cec_set_digital_service_id(msg->msg + 9, digital);
 511 }
 512 
 513 static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg,
 514                                 __u8 *day,
 515                                 __u8 *month,
 516                                 __u8 *start_hr,
 517                                 __u8 *start_min,
 518                                 __u8 *duration_hr,
 519                                 __u8 *duration_min,
 520                                 __u8 *recording_seq,
 521                                 struct cec_op_digital_service_id *digital)
 522 {
 523         *day = msg->msg[2];
 524         *month = msg->msg[3];
 525         /* Hours and minutes are in BCD format */
 526         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 527         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 528         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 529         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 530         *recording_seq = msg->msg[8];
 531         cec_get_digital_service_id(msg->msg + 9, digital);
 532 }
 533 
 534 static inline void cec_msg_clear_ext_timer(struct cec_msg *msg,
 535                                            int reply,
 536                                            __u8 day,
 537                                            __u8 month,
 538                                            __u8 start_hr,
 539                                            __u8 start_min,
 540                                            __u8 duration_hr,
 541                                            __u8 duration_min,
 542                                            __u8 recording_seq,
 543                                            __u8 ext_src_spec,
 544                                            __u8 plug,
 545                                            __u16 phys_addr)
 546 {
 547         msg->len = 13;
 548         msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
 549         msg->msg[2] = day;
 550         msg->msg[3] = month;
 551         /* Hours and minutes are in BCD format */
 552         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 553         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 554         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 555         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 556         msg->msg[8] = recording_seq;
 557         msg->msg[9] = ext_src_spec;
 558         msg->msg[10] = plug;
 559         msg->msg[11] = phys_addr >> 8;
 560         msg->msg[12] = phys_addr & 0xff;
 561         msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
 562 }
 563 
 564 static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg,
 565                                            __u8 *day,
 566                                            __u8 *month,
 567                                            __u8 *start_hr,
 568                                            __u8 *start_min,
 569                                            __u8 *duration_hr,
 570                                            __u8 *duration_min,
 571                                            __u8 *recording_seq,
 572                                            __u8 *ext_src_spec,
 573                                            __u8 *plug,
 574                                            __u16 *phys_addr)
 575 {
 576         *day = msg->msg[2];
 577         *month = msg->msg[3];
 578         /* Hours and minutes are in BCD format */
 579         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 580         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 581         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 582         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 583         *recording_seq = msg->msg[8];
 584         *ext_src_spec = msg->msg[9];
 585         *plug = msg->msg[10];
 586         *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
 587 }
 588 
 589 static inline void cec_msg_set_analogue_timer(struct cec_msg *msg,
 590                                               int reply,
 591                                               __u8 day,
 592                                               __u8 month,
 593                                               __u8 start_hr,
 594                                               __u8 start_min,
 595                                               __u8 duration_hr,
 596                                               __u8 duration_min,
 597                                               __u8 recording_seq,
 598                                               __u8 ana_bcast_type,
 599                                               __u16 ana_freq,
 600                                               __u8 bcast_system)
 601 {
 602         msg->len = 13;
 603         msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
 604         msg->msg[2] = day;
 605         msg->msg[3] = month;
 606         /* Hours and minutes are in BCD format */
 607         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 608         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 609         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 610         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 611         msg->msg[8] = recording_seq;
 612         msg->msg[9] = ana_bcast_type;
 613         msg->msg[10] = ana_freq >> 8;
 614         msg->msg[11] = ana_freq & 0xff;
 615         msg->msg[12] = bcast_system;
 616         msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
 617 }
 618 
 619 static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg,
 620                                               __u8 *day,
 621                                               __u8 *month,
 622                                               __u8 *start_hr,
 623                                               __u8 *start_min,
 624                                               __u8 *duration_hr,
 625                                               __u8 *duration_min,
 626                                               __u8 *recording_seq,
 627                                               __u8 *ana_bcast_type,
 628                                               __u16 *ana_freq,
 629                                               __u8 *bcast_system)
 630 {
 631         *day = msg->msg[2];
 632         *month = msg->msg[3];
 633         /* Hours and minutes are in BCD format */
 634         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 635         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 636         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 637         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 638         *recording_seq = msg->msg[8];
 639         *ana_bcast_type = msg->msg[9];
 640         *ana_freq = (msg->msg[10] << 8) | msg->msg[11];
 641         *bcast_system = msg->msg[12];
 642 }
 643 
 644 static inline void cec_msg_set_digital_timer(struct cec_msg *msg,
 645                         int reply,
 646                         __u8 day,
 647                         __u8 month,
 648                         __u8 start_hr,
 649                         __u8 start_min,
 650                         __u8 duration_hr,
 651                         __u8 duration_min,
 652                         __u8 recording_seq,
 653                         const struct cec_op_digital_service_id *digital)
 654 {
 655         msg->len = 16;
 656         msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
 657         msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
 658         msg->msg[2] = day;
 659         msg->msg[3] = month;
 660         /* Hours and minutes are in BCD format */
 661         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 662         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 663         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 664         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 665         msg->msg[8] = recording_seq;
 666         cec_set_digital_service_id(msg->msg + 9, digital);
 667 }
 668 
 669 static inline void cec_ops_set_digital_timer(const struct cec_msg *msg,
 670                         __u8 *day,
 671                         __u8 *month,
 672                         __u8 *start_hr,
 673                         __u8 *start_min,
 674                         __u8 *duration_hr,
 675                         __u8 *duration_min,
 676                         __u8 *recording_seq,
 677                         struct cec_op_digital_service_id *digital)
 678 {
 679         *day = msg->msg[2];
 680         *month = msg->msg[3];
 681         /* Hours and minutes are in BCD format */
 682         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 683         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 684         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 685         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 686         *recording_seq = msg->msg[8];
 687         cec_get_digital_service_id(msg->msg + 9, digital);
 688 }
 689 
 690 static inline void cec_msg_set_ext_timer(struct cec_msg *msg,
 691                                          int reply,
 692                                          __u8 day,
 693                                          __u8 month,
 694                                          __u8 start_hr,
 695                                          __u8 start_min,
 696                                          __u8 duration_hr,
 697                                          __u8 duration_min,
 698                                          __u8 recording_seq,
 699                                          __u8 ext_src_spec,
 700                                          __u8 plug,
 701                                          __u16 phys_addr)
 702 {
 703         msg->len = 13;
 704         msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
 705         msg->msg[2] = day;
 706         msg->msg[3] = month;
 707         /* Hours and minutes are in BCD format */
 708         msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
 709         msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
 710         msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
 711         msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
 712         msg->msg[8] = recording_seq;
 713         msg->msg[9] = ext_src_spec;
 714         msg->msg[10] = plug;
 715         msg->msg[11] = phys_addr >> 8;
 716         msg->msg[12] = phys_addr & 0xff;
 717         msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
 718 }
 719 
 720 static inline void cec_ops_set_ext_timer(const struct cec_msg *msg,
 721                                          __u8 *day,
 722                                          __u8 *month,
 723                                          __u8 *start_hr,
 724                                          __u8 *start_min,
 725                                          __u8 *duration_hr,
 726                                          __u8 *duration_min,
 727                                          __u8 *recording_seq,
 728                                          __u8 *ext_src_spec,
 729                                          __u8 *plug,
 730                                          __u16 *phys_addr)
 731 {
 732         *day = msg->msg[2];
 733         *month = msg->msg[3];
 734         /* Hours and minutes are in BCD format */
 735         *start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
 736         *start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
 737         *duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
 738         *duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
 739         *recording_seq = msg->msg[8];
 740         *ext_src_spec = msg->msg[9];
 741         *plug = msg->msg[10];
 742         *phys_addr = (msg->msg[11] << 8) | msg->msg[12];
 743 }
 744 
 745 static inline void cec_msg_set_timer_program_title(struct cec_msg *msg,
 746                                                    const char *prog_title)
 747 {
 748         unsigned int len = strlen(prog_title);
 749 
 750         if (len > 14)
 751                 len = 14;
 752         msg->len = 2 + len;
 753         msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
 754         memcpy(msg->msg + 2, prog_title, len);
 755 }
 756 
 757 static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg,
 758                                                    char *prog_title)
 759 {
 760         unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
 761 
 762         if (len > 14)
 763                 len = 14;
 764         memcpy(prog_title, msg->msg + 2, len);
 765         prog_title[len] = '\0';
 766 }
 767 
 768 /* System Information Feature */
 769 static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
 770 {
 771         msg->len = 3;
 772         msg->msg[1] = CEC_MSG_CEC_VERSION;
 773         msg->msg[2] = cec_version;
 774 }
 775 
 776 static inline void cec_ops_cec_version(const struct cec_msg *msg,
 777                                        __u8 *cec_version)
 778 {
 779         *cec_version = msg->msg[2];
 780 }
 781 
 782 static inline void cec_msg_get_cec_version(struct cec_msg *msg,
 783                                            int reply)
 784 {
 785         msg->len = 2;
 786         msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
 787         msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
 788 }
 789 
 790 static inline void cec_msg_report_physical_addr(struct cec_msg *msg,
 791                                         __u16 phys_addr, __u8 prim_devtype)
 792 {
 793         msg->len = 5;
 794         msg->msg[0] |= 0xf; /* broadcast */
 795         msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR;
 796         msg->msg[2] = phys_addr >> 8;
 797         msg->msg[3] = phys_addr & 0xff;
 798         msg->msg[4] = prim_devtype;
 799 }
 800 
 801 static inline void cec_ops_report_physical_addr(const struct cec_msg *msg,
 802                                         __u16 *phys_addr, __u8 *prim_devtype)
 803 {
 804         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
 805         *prim_devtype = msg->msg[4];
 806 }
 807 
 808 static inline void cec_msg_give_physical_addr(struct cec_msg *msg,
 809                                               int reply)
 810 {
 811         msg->len = 2;
 812         msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
 813         msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
 814 }
 815 
 816 static inline void 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 
 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 
 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  */
 848 static inline void cec_msg_report_features(struct cec_msg *msg,
 849                                 __u8 cec_version, __u8 all_device_types,
 850                                 __u8 rc_profile, __u8 dev_features)
 851 {
 852         msg->len = 6;
 853         msg->msg[0] |= 0xf; /* broadcast */
 854         msg->msg[1] = CEC_MSG_REPORT_FEATURES;
 855         msg->msg[2] = cec_version;
 856         msg->msg[3] = all_device_types;
 857         msg->msg[4] = rc_profile;
 858         msg->msg[5] = dev_features;
 859 }
 860 
 861 static inline void cec_ops_report_features(const struct cec_msg *msg,
 862                         __u8 *cec_version, __u8 *all_device_types,
 863                         const __u8 **rc_profile, const __u8 **dev_features)
 864 {
 865         const __u8 *p = &msg->msg[4];
 866 
 867         *cec_version = msg->msg[2];
 868         *all_device_types = msg->msg[3];
 869         *rc_profile = p;
 870         *dev_features = NULL;
 871         while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
 872                 p++;
 873         if (!(*p & CEC_OP_FEAT_EXT)) {
 874                 *dev_features = p + 1;
 875                 while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
 876                         p++;
 877         }
 878         if (*p & CEC_OP_FEAT_EXT)
 879                 *rc_profile = *dev_features = NULL;
 880 }
 881 
 882 static inline void cec_msg_give_features(struct cec_msg *msg,
 883                                          int reply)
 884 {
 885         msg->len = 2;
 886         msg->msg[1] = CEC_MSG_GIVE_FEATURES;
 887         msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
 888 }
 889 
 890 /* Deck Control Feature */
 891 static inline void cec_msg_deck_control(struct cec_msg *msg,
 892                                         __u8 deck_control_mode)
 893 {
 894         msg->len = 3;
 895         msg->msg[1] = CEC_MSG_DECK_CONTROL;
 896         msg->msg[2] = deck_control_mode;
 897 }
 898 
 899 static inline void cec_ops_deck_control(const struct cec_msg *msg,
 900                                         __u8 *deck_control_mode)
 901 {
 902         *deck_control_mode = msg->msg[2];
 903 }
 904 
 905 static inline void cec_msg_deck_status(struct cec_msg *msg,
 906                                        __u8 deck_info)
 907 {
 908         msg->len = 3;
 909         msg->msg[1] = CEC_MSG_DECK_STATUS;
 910         msg->msg[2] = deck_info;
 911 }
 912 
 913 static inline void cec_ops_deck_status(const struct cec_msg *msg,
 914                                        __u8 *deck_info)
 915 {
 916         *deck_info = msg->msg[2];
 917 }
 918 
 919 static inline void cec_msg_give_deck_status(struct cec_msg *msg,
 920                                             int reply,
 921                                             __u8 status_req)
 922 {
 923         msg->len = 3;
 924         msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
 925         msg->msg[2] = status_req;
 926         msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
 927                                 CEC_MSG_DECK_STATUS : 0;
 928 }
 929 
 930 static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
 931                                             __u8 *status_req)
 932 {
 933         *status_req = msg->msg[2];
 934 }
 935 
 936 static inline void cec_msg_play(struct cec_msg *msg,
 937                                 __u8 play_mode)
 938 {
 939         msg->len = 3;
 940         msg->msg[1] = CEC_MSG_PLAY;
 941         msg->msg[2] = play_mode;
 942 }
 943 
 944 static inline void cec_ops_play(const struct cec_msg *msg,
 945                                 __u8 *play_mode)
 946 {
 947         *play_mode = msg->msg[2];
 948 }
 949 
 950 
 951 /* Tuner Control Feature */
 952 struct cec_op_tuner_device_info {
 953         __u8 rec_flag;
 954         __u8 tuner_display_info;
 955         __u8 is_analog;
 956         union {
 957                 struct cec_op_digital_service_id digital;
 958                 struct {
 959                         __u8 ana_bcast_type;
 960                         __u16 ana_freq;
 961                         __u8 bcast_system;
 962                 } analog;
 963         };
 964 };
 965 
 966 static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
 967                                                       __u8 rec_flag,
 968                                                       __u8 tuner_display_info,
 969                                                       __u8 ana_bcast_type,
 970                                                       __u16 ana_freq,
 971                                                       __u8 bcast_system)
 972 {
 973         msg->len = 7;
 974         msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
 975         msg->msg[2] = (rec_flag << 7) | tuner_display_info;
 976         msg->msg[3] = ana_bcast_type;
 977         msg->msg[4] = ana_freq >> 8;
 978         msg->msg[5] = ana_freq & 0xff;
 979         msg->msg[6] = bcast_system;
 980 }
 981 
 982 static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg,
 983                    __u8 rec_flag, __u8 tuner_display_info,
 984                    const struct cec_op_digital_service_id *digital)
 985 {
 986         msg->len = 10;
 987         msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
 988         msg->msg[2] = (rec_flag << 7) | tuner_display_info;
 989         cec_set_digital_service_id(msg->msg + 3, digital);
 990 }
 991 
 992 static inline void cec_msg_tuner_device_status(struct cec_msg *msg,
 993                         const struct cec_op_tuner_device_info *tuner_dev_info)
 994 {
 995         if (tuner_dev_info->is_analog)
 996                 cec_msg_tuner_device_status_analog(msg,
 997                         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 
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 
1024 static inline void cec_msg_give_tuner_device_status(struct cec_msg *msg,
1025                                                     int reply,
1026                                                     __u8 status_req)
1027 {
1028         msg->len = 3;
1029         msg->msg[1] = CEC_MSG_GIVE_TUNER_DEVICE_STATUS;
1030         msg->msg[2] = status_req;
1031         msg->reply = (reply && status_req != CEC_OP_STATUS_REQ_OFF) ?
1032                                 CEC_MSG_TUNER_DEVICE_STATUS : 0;
1033 }
1034 
1035 static inline void cec_ops_give_tuner_device_status(const struct cec_msg *msg,
1036                                                     __u8 *status_req)
1037 {
1038         *status_req = msg->msg[2];
1039 }
1040 
1041 static inline void cec_msg_select_analogue_service(struct cec_msg *msg,
1042                                                    __u8 ana_bcast_type,
1043                                                    __u16 ana_freq,
1044                                                    __u8 bcast_system)
1045 {
1046         msg->len = 6;
1047         msg->msg[1] = CEC_MSG_SELECT_ANALOGUE_SERVICE;
1048         msg->msg[2] = ana_bcast_type;
1049         msg->msg[3] = ana_freq >> 8;
1050         msg->msg[4] = ana_freq & 0xff;
1051         msg->msg[5] = bcast_system;
1052 }
1053 
1054 static inline void cec_ops_select_analogue_service(const struct cec_msg *msg,
1055                                                    __u8 *ana_bcast_type,
1056                                                    __u16 *ana_freq,
1057                                                    __u8 *bcast_system)
1058 {
1059         *ana_bcast_type = msg->msg[2];
1060         *ana_freq = (msg->msg[3] << 8) | msg->msg[4];
1061         *bcast_system = msg->msg[5];
1062 }
1063 
1064 static inline void cec_msg_select_digital_service(struct cec_msg *msg,
1065                                 const struct cec_op_digital_service_id *digital)
1066 {
1067         msg->len = 9;
1068         msg->msg[1] = CEC_MSG_SELECT_DIGITAL_SERVICE;
1069         cec_set_digital_service_id(msg->msg + 2, digital);
1070 }
1071 
1072 static inline void cec_ops_select_digital_service(const struct cec_msg *msg,
1073                                 struct cec_op_digital_service_id *digital)
1074 {
1075         cec_get_digital_service_id(msg->msg + 2, digital);
1076 }
1077 
1078 static inline void cec_msg_tuner_step_decrement(struct cec_msg *msg)
1079 {
1080         msg->len = 2;
1081         msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;
1082 }
1083 
1084 static inline void cec_msg_tuner_step_increment(struct cec_msg *msg)
1085 {
1086         msg->len = 2;
1087         msg->msg[1] = CEC_MSG_TUNER_STEP_INCREMENT;
1088 }
1089 
1090 
1091 /* Vendor Specific Commands Feature */
1092 static inline void cec_msg_device_vendor_id(struct cec_msg *msg, __u32 vendor_id)
1093 {
1094         msg->len = 5;
1095         msg->msg[0] |= 0xf; /* broadcast */
1096         msg->msg[1] = CEC_MSG_DEVICE_VENDOR_ID;
1097         msg->msg[2] = vendor_id >> 16;
1098         msg->msg[3] = (vendor_id >> 8) & 0xff;
1099         msg->msg[4] = vendor_id & 0xff;
1100 }
1101 
1102 static inline void cec_ops_device_vendor_id(const struct cec_msg *msg,
1103                                             __u32 *vendor_id)
1104 {
1105         *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1106 }
1107 
1108 static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
1109                                                  int reply)
1110 {
1111         msg->len = 2;
1112         msg->msg[1] = CEC_MSG_GIVE_DEVICE_VENDOR_ID;
1113         msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
1114 }
1115 
1116 static inline void cec_msg_vendor_command(struct cec_msg *msg,
1117                                           __u8 size, const __u8 *vendor_cmd)
1118 {
1119         if (size > 14)
1120                 size = 14;
1121         msg->len = 2 + size;
1122         msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
1123         memcpy(msg->msg + 2, vendor_cmd, size);
1124 }
1125 
1126 static inline void cec_ops_vendor_command(const struct cec_msg *msg,
1127                                           __u8 *size,
1128                                           const __u8 **vendor_cmd)
1129 {
1130         *size = msg->len - 2;
1131 
1132         if (*size > 14)
1133                 *size = 14;
1134         *vendor_cmd = msg->msg + 2;
1135 }
1136 
1137 static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg,
1138                                                   __u32 vendor_id, __u8 size,
1139                                                   const __u8 *vendor_cmd)
1140 {
1141         if (size > 11)
1142                 size = 11;
1143         msg->len = 5 + size;
1144         msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;
1145         msg->msg[2] = vendor_id >> 16;
1146         msg->msg[3] = (vendor_id >> 8) & 0xff;
1147         msg->msg[4] = vendor_id & 0xff;
1148         memcpy(msg->msg + 5, vendor_cmd, size);
1149 }
1150 
1151 static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
1152                                                   __u32 *vendor_id,  __u8 *size,
1153                                                   const __u8 **vendor_cmd)
1154 {
1155         *size = msg->len - 5;
1156 
1157         if (*size > 11)
1158                 *size = 11;
1159         *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
1160         *vendor_cmd = msg->msg + 5;
1161 }
1162 
1163 static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
1164                                                      __u8 size,
1165                                                      const __u8 *rc_code)
1166 {
1167         if (size > 14)
1168                 size = 14;
1169         msg->len = 2 + size;
1170         msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
1171         memcpy(msg->msg + 2, rc_code, size);
1172 }
1173 
1174 static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
1175                                                      __u8 *size,
1176                                                      const __u8 **rc_code)
1177 {
1178         *size = msg->len - 2;
1179 
1180         if (*size > 14)
1181                 *size = 14;
1182         *rc_code = msg->msg + 2;
1183 }
1184 
1185 static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
1186 {
1187         msg->len = 2;
1188         msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_UP;
1189 }
1190 
1191 
1192 /* OSD Display Feature */
1193 static inline void cec_msg_set_osd_string(struct cec_msg *msg,
1194                                           __u8 disp_ctl,
1195                                           const char *osd)
1196 {
1197         unsigned int len = strlen(osd);
1198 
1199         if (len > 13)
1200                 len = 13;
1201         msg->len = 3 + len;
1202         msg->msg[1] = CEC_MSG_SET_OSD_STRING;
1203         msg->msg[2] = disp_ctl;
1204         memcpy(msg->msg + 3, osd, len);
1205 }
1206 
1207 static inline void cec_ops_set_osd_string(const struct cec_msg *msg,
1208                                           __u8 *disp_ctl,
1209                                           char *osd)
1210 {
1211         unsigned int len = msg->len > 3 ? msg->len - 3 : 0;
1212 
1213         *disp_ctl = msg->msg[2];
1214         if (len > 13)
1215                 len = 13;
1216         memcpy(osd, msg->msg + 3, len);
1217         osd[len] = '\0';
1218 }
1219 
1220 
1221 /* Device OSD Transfer Feature */
1222 static inline void cec_msg_set_osd_name(struct cec_msg *msg, const char *name)
1223 {
1224         unsigned int len = strlen(name);
1225 
1226         if (len > 14)
1227                 len = 14;
1228         msg->len = 2 + len;
1229         msg->msg[1] = CEC_MSG_SET_OSD_NAME;
1230         memcpy(msg->msg + 2, name, len);
1231 }
1232 
1233 static inline void cec_ops_set_osd_name(const struct cec_msg *msg,
1234                                         char *name)
1235 {
1236         unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
1237 
1238         if (len > 14)
1239                 len = 14;
1240         memcpy(name, msg->msg + 2, len);
1241         name[len] = '\0';
1242 }
1243 
1244 static inline void cec_msg_give_osd_name(struct cec_msg *msg,
1245                                          int reply)
1246 {
1247         msg->len = 2;
1248         msg->msg[1] = CEC_MSG_GIVE_OSD_NAME;
1249         msg->reply = reply ? CEC_MSG_SET_OSD_NAME : 0;
1250 }
1251 
1252 
1253 /* Device Menu Control Feature */
1254 static inline void 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 
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 
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 
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 
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 0x56:
1308         case 0x57:
1309         case 0x60:
1310         case 0x68:
1311         case 0x69:
1312         case 0x6a:
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 0x67:
1318                 msg->len += 4;
1319                 msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
1320                               (ui_cmd->channel_identifier.major >> 8);
1321                 msg->msg[4] = ui_cmd->channel_identifier.major & 0xff;
1322                 msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
1323                 msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
1324                 break;
1325         }
1326 }
1327 
1328 static inline void cec_ops_user_control_pressed(const struct cec_msg *msg,
1329                                                 struct cec_op_ui_command *ui_cmd)
1330 {
1331         ui_cmd->ui_cmd = msg->msg[2];
1332         ui_cmd->has_opt_arg = 0;
1333         if (msg->len == 3)
1334                 return;
1335         switch (ui_cmd->ui_cmd) {
1336         case 0x56:
1337         case 0x57:
1338         case 0x60:
1339         case 0x68:
1340         case 0x69:
1341         case 0x6a:
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 0x67:
1347                 if (msg->len < 7)
1348                         break;
1349                 ui_cmd->has_opt_arg = 1;
1350                 ui_cmd->channel_identifier.channel_number_fmt = msg->msg[3] >> 2;
1351                 ui_cmd->channel_identifier.major = ((msg->msg[3] & 3) << 6) | msg->msg[4];
1352                 ui_cmd->channel_identifier.minor = (msg->msg[5] << 8) | msg->msg[6];
1353                 break;
1354         }
1355 }
1356 
1357 static inline void cec_msg_user_control_released(struct cec_msg *msg)
1358 {
1359         msg->len = 2;
1360         msg->msg[1] = CEC_MSG_USER_CONTROL_RELEASED;
1361 }
1362 
1363 /* Remote Control Passthrough Feature */
1364 
1365 /* Power Status Feature */
1366 static inline void cec_msg_report_power_status(struct cec_msg *msg,
1367                                                __u8 pwr_state)
1368 {
1369         msg->len = 3;
1370         msg->msg[1] = CEC_MSG_REPORT_POWER_STATUS;
1371         msg->msg[2] = pwr_state;
1372 }
1373 
1374 static inline void cec_ops_report_power_status(const struct cec_msg *msg,
1375                                                __u8 *pwr_state)
1376 {
1377         *pwr_state = msg->msg[2];
1378 }
1379 
1380 static inline void cec_msg_give_device_power_status(struct cec_msg *msg,
1381                                                     int reply)
1382 {
1383         msg->len = 2;
1384         msg->msg[1] = CEC_MSG_GIVE_DEVICE_POWER_STATUS;
1385         msg->reply = reply ? CEC_MSG_REPORT_POWER_STATUS : 0;
1386 }
1387 
1388 /* General Protocol Messages */
1389 static inline void cec_msg_feature_abort(struct cec_msg *msg,
1390                                          __u8 abort_msg, __u8 reason)
1391 {
1392         msg->len = 4;
1393         msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1394         msg->msg[2] = abort_msg;
1395         msg->msg[3] = reason;
1396 }
1397 
1398 static inline void cec_ops_feature_abort(const struct cec_msg *msg,
1399                                          __u8 *abort_msg, __u8 *reason)
1400 {
1401         *abort_msg = msg->msg[2];
1402         *reason = msg->msg[3];
1403 }
1404 
1405 /* This changes the current message into a feature abort message */
1406 static inline void cec_msg_reply_feature_abort(struct cec_msg *msg, __u8 reason)
1407 {
1408         cec_msg_set_reply_to(msg, msg);
1409         msg->len = 4;
1410         msg->msg[2] = msg->msg[1];
1411         msg->msg[3] = reason;
1412         msg->msg[1] = CEC_MSG_FEATURE_ABORT;
1413 }
1414 
1415 static inline void cec_msg_abort(struct cec_msg *msg)
1416 {
1417         msg->len = 2;
1418         msg->msg[1] = CEC_MSG_ABORT;
1419 }
1420 
1421 
1422 /* System Audio Control Feature */
1423 static inline void cec_msg_report_audio_status(struct cec_msg *msg,
1424                                                __u8 aud_mute_status,
1425                                                __u8 aud_vol_status)
1426 {
1427         msg->len = 3;
1428         msg->msg[1] = CEC_MSG_REPORT_AUDIO_STATUS;
1429         msg->msg[2] = (aud_mute_status << 7) | (aud_vol_status & 0x7f);
1430 }
1431 
1432 static inline void cec_ops_report_audio_status(const struct cec_msg *msg,
1433                                                __u8 *aud_mute_status,
1434                                                __u8 *aud_vol_status)
1435 {
1436         *aud_mute_status = msg->msg[2] >> 7;
1437         *aud_vol_status = msg->msg[2] & 0x7f;
1438 }
1439 
1440 static inline void cec_msg_give_audio_status(struct cec_msg *msg,
1441                                              int reply)
1442 {
1443         msg->len = 2;
1444         msg->msg[1] = CEC_MSG_GIVE_AUDIO_STATUS;
1445         msg->reply = reply ? CEC_MSG_REPORT_AUDIO_STATUS : 0;
1446 }
1447 
1448 static inline void cec_msg_set_system_audio_mode(struct cec_msg *msg,
1449                                                  __u8 sys_aud_status)
1450 {
1451         msg->len = 3;
1452         msg->msg[1] = CEC_MSG_SET_SYSTEM_AUDIO_MODE;
1453         msg->msg[2] = sys_aud_status;
1454 }
1455 
1456 static inline void cec_ops_set_system_audio_mode(const struct cec_msg *msg,
1457                                                  __u8 *sys_aud_status)
1458 {
1459         *sys_aud_status = msg->msg[2];
1460 }
1461 
1462 static inline void cec_msg_system_audio_mode_request(struct cec_msg *msg,
1463                                                      int reply,
1464                                                      __u16 phys_addr)
1465 {
1466         msg->len = phys_addr == 0xffff ? 2 : 4;
1467         msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST;
1468         msg->msg[2] = phys_addr >> 8;
1469         msg->msg[3] = phys_addr & 0xff;
1470         msg->reply = reply ? CEC_MSG_SET_SYSTEM_AUDIO_MODE : 0;
1471 
1472 }
1473 
1474 static inline void cec_ops_system_audio_mode_request(const struct cec_msg *msg,
1475                                                      __u16 *phys_addr)
1476 {
1477         if (msg->len < 4)
1478                 *phys_addr = 0xffff;
1479         else
1480                 *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1481 }
1482 
1483 static inline void cec_msg_system_audio_mode_status(struct cec_msg *msg,
1484                                                     __u8 sys_aud_status)
1485 {
1486         msg->len = 3;
1487         msg->msg[1] = CEC_MSG_SYSTEM_AUDIO_MODE_STATUS;
1488         msg->msg[2] = sys_aud_status;
1489 }
1490 
1491 static inline void cec_ops_system_audio_mode_status(const struct cec_msg *msg,
1492                                                     __u8 *sys_aud_status)
1493 {
1494         *sys_aud_status = msg->msg[2];
1495 }
1496 
1497 static inline void cec_msg_give_system_audio_mode_status(struct cec_msg *msg,
1498                                                          int reply)
1499 {
1500         msg->len = 2;
1501         msg->msg[1] = CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS;
1502         msg->reply = reply ? CEC_MSG_SYSTEM_AUDIO_MODE_STATUS : 0;
1503 }
1504 
1505 static inline void cec_msg_report_short_audio_descriptor(struct cec_msg *msg,
1506                                         __u8 num_descriptors,
1507                                         const __u32 *descriptors)
1508 {
1509         unsigned int i;
1510 
1511         if (num_descriptors > 4)
1512                 num_descriptors = 4;
1513         msg->len = 2 + num_descriptors * 3;
1514         msg->msg[1] = CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR;
1515         for (i = 0; i < num_descriptors; i++) {
1516                 msg->msg[2 + i * 3] = (descriptors[i] >> 16) & 0xff;
1517                 msg->msg[3 + i * 3] = (descriptors[i] >> 8) & 0xff;
1518                 msg->msg[4 + i * 3] = descriptors[i] & 0xff;
1519         }
1520 }
1521 
1522 static inline void cec_ops_report_short_audio_descriptor(const struct cec_msg *msg,
1523                                                          __u8 *num_descriptors,
1524                                                          __u32 *descriptors)
1525 {
1526         unsigned int i;
1527 
1528         *num_descriptors = (msg->len - 2) / 3;
1529         if (*num_descriptors > 4)
1530                 *num_descriptors = 4;
1531         for (i = 0; i < *num_descriptors; i++)
1532                 descriptors[i] = (msg->msg[2 + i * 3] << 16) |
1533                         (msg->msg[3 + i * 3] << 8) |
1534                         msg->msg[4 + i * 3];
1535 }
1536 
1537 static inline void cec_msg_request_short_audio_descriptor(struct cec_msg *msg,
1538                                         int reply,
1539                                         __u8 num_descriptors,
1540                                         const __u8 *audio_format_id,
1541                                         const __u8 *audio_format_code)
1542 {
1543         unsigned int i;
1544 
1545         if (num_descriptors > 4)
1546                 num_descriptors = 4;
1547         msg->len = 2 + num_descriptors;
1548         msg->msg[1] = CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR;
1549         msg->reply = reply ? CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR : 0;
1550         for (i = 0; i < num_descriptors; i++)
1551                 msg->msg[2 + i] = (audio_format_id[i] << 6) |
1552                                   (audio_format_code[i] & 0x3f);
1553 }
1554 
1555 static inline void cec_ops_request_short_audio_descriptor(const struct cec_msg *msg,
1556                                         __u8 *num_descriptors,
1557                                         __u8 *audio_format_id,
1558                                         __u8 *audio_format_code)
1559 {
1560         unsigned int i;
1561 
1562         *num_descriptors = msg->len - 2;
1563         if (*num_descriptors > 4)
1564                 *num_descriptors = 4;
1565         for (i = 0; i < *num_descriptors; i++) {
1566                 audio_format_id[i] = msg->msg[2 + i] >> 6;
1567                 audio_format_code[i] = msg->msg[2 + i] & 0x3f;
1568         }
1569 }
1570 
1571 
1572 /* Audio Rate Control Feature */
1573 static inline void cec_msg_set_audio_rate(struct cec_msg *msg,
1574                                           __u8 audio_rate)
1575 {
1576         msg->len = 3;
1577         msg->msg[1] = CEC_MSG_SET_AUDIO_RATE;
1578         msg->msg[2] = audio_rate;
1579 }
1580 
1581 static inline void cec_ops_set_audio_rate(const struct cec_msg *msg,
1582                                           __u8 *audio_rate)
1583 {
1584         *audio_rate = msg->msg[2];
1585 }
1586 
1587 
1588 /* Audio Return Channel Control Feature */
1589 static inline void cec_msg_report_arc_initiated(struct cec_msg *msg)
1590 {
1591         msg->len = 2;
1592         msg->msg[1] = CEC_MSG_REPORT_ARC_INITIATED;
1593 }
1594 
1595 static inline void cec_msg_initiate_arc(struct cec_msg *msg,
1596                                         int reply)
1597 {
1598         msg->len = 2;
1599         msg->msg[1] = CEC_MSG_INITIATE_ARC;
1600         msg->reply = reply ? CEC_MSG_REPORT_ARC_INITIATED : 0;
1601 }
1602 
1603 static inline void cec_msg_request_arc_initiation(struct cec_msg *msg,
1604                                                   int reply)
1605 {
1606         msg->len = 2;
1607         msg->msg[1] = CEC_MSG_REQUEST_ARC_INITIATION;
1608         msg->reply = reply ? CEC_MSG_INITIATE_ARC : 0;
1609 }
1610 
1611 static inline void cec_msg_report_arc_terminated(struct cec_msg *msg)
1612 {
1613         msg->len = 2;
1614         msg->msg[1] = CEC_MSG_REPORT_ARC_TERMINATED;
1615 }
1616 
1617 static inline void cec_msg_terminate_arc(struct cec_msg *msg,
1618                                          int reply)
1619 {
1620         msg->len = 2;
1621         msg->msg[1] = CEC_MSG_TERMINATE_ARC;
1622         msg->reply = reply ? CEC_MSG_REPORT_ARC_TERMINATED : 0;
1623 }
1624 
1625 static inline void cec_msg_request_arc_termination(struct cec_msg *msg,
1626                                                    int reply)
1627 {
1628         msg->len = 2;
1629         msg->msg[1] = CEC_MSG_REQUEST_ARC_TERMINATION;
1630         msg->reply = reply ? CEC_MSG_TERMINATE_ARC : 0;
1631 }
1632 
1633 
1634 /* Dynamic Audio Lipsync Feature */
1635 /* Only for CEC 2.0 and up */
1636 static inline void cec_msg_report_current_latency(struct cec_msg *msg,
1637                                                   __u16 phys_addr,
1638                                                   __u8 video_latency,
1639                                                   __u8 low_latency_mode,
1640                                                   __u8 audio_out_compensated,
1641                                                   __u8 audio_out_delay)
1642 {
1643         msg->len = 6;
1644         msg->msg[0] |= 0xf; /* broadcast */
1645         msg->msg[1] = CEC_MSG_REPORT_CURRENT_LATENCY;
1646         msg->msg[2] = phys_addr >> 8;
1647         msg->msg[3] = phys_addr & 0xff;
1648         msg->msg[4] = video_latency;
1649         msg->msg[5] = (low_latency_mode << 2) | audio_out_compensated;
1650         if (audio_out_compensated == 3)
1651                 msg->msg[msg->len++] = audio_out_delay;
1652 }
1653 
1654 static inline void cec_ops_report_current_latency(const struct cec_msg *msg,
1655                                                   __u16 *phys_addr,
1656                                                   __u8 *video_latency,
1657                                                   __u8 *low_latency_mode,
1658                                                   __u8 *audio_out_compensated,
1659                                                   __u8 *audio_out_delay)
1660 {
1661         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1662         *video_latency = msg->msg[4];
1663         *low_latency_mode = (msg->msg[5] >> 2) & 1;
1664         *audio_out_compensated = msg->msg[5] & 3;
1665         if (*audio_out_compensated == 3 && msg->len >= 7)
1666                 *audio_out_delay = msg->msg[6];
1667         else
1668                 *audio_out_delay = 0;
1669 }
1670 
1671 static inline void cec_msg_request_current_latency(struct cec_msg *msg,
1672                                                    int reply,
1673                                                    __u16 phys_addr)
1674 {
1675         msg->len = 4;
1676         msg->msg[0] |= 0xf; /* broadcast */
1677         msg->msg[1] = CEC_MSG_REQUEST_CURRENT_LATENCY;
1678         msg->msg[2] = phys_addr >> 8;
1679         msg->msg[3] = phys_addr & 0xff;
1680         msg->reply = reply ? CEC_MSG_REPORT_CURRENT_LATENCY : 0;
1681 }
1682 
1683 static inline void cec_ops_request_current_latency(const struct cec_msg *msg,
1684                                                    __u16 *phys_addr)
1685 {
1686         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1687 }
1688 
1689 
1690 /* Capability Discovery and Control Feature */
1691 static inline void cec_msg_cdc_hec_inquire_state(struct cec_msg *msg,
1692                                                  __u16 phys_addr1,
1693                                                  __u16 phys_addr2)
1694 {
1695         msg->len = 9;
1696         msg->msg[0] |= 0xf; /* broadcast */
1697         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1698         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1699         msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1700         msg->msg[5] = phys_addr1 >> 8;
1701         msg->msg[6] = phys_addr1 & 0xff;
1702         msg->msg[7] = phys_addr2 >> 8;
1703         msg->msg[8] = phys_addr2 & 0xff;
1704 }
1705 
1706 static inline void cec_ops_cdc_hec_inquire_state(const struct cec_msg *msg,
1707                                                  __u16 *phys_addr,
1708                                                  __u16 *phys_addr1,
1709                                                  __u16 *phys_addr2)
1710 {
1711         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1712         *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1713         *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1714 }
1715 
1716 static inline void cec_msg_cdc_hec_report_state(struct cec_msg *msg,
1717                                                 __u16 target_phys_addr,
1718                                                 __u8 hec_func_state,
1719                                                 __u8 host_func_state,
1720                                                 __u8 enc_func_state,
1721                                                 __u8 cdc_errcode,
1722                                                 __u8 has_field,
1723                                                 __u16 hec_field)
1724 {
1725         msg->len = has_field ? 10 : 8;
1726         msg->msg[0] |= 0xf; /* broadcast */
1727         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1728         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1729         msg->msg[4] = CEC_MSG_CDC_HEC_REPORT_STATE;
1730         msg->msg[5] = target_phys_addr >> 8;
1731         msg->msg[6] = target_phys_addr & 0xff;
1732         msg->msg[7] = (hec_func_state << 6) |
1733                       (host_func_state << 4) |
1734                       (enc_func_state << 2) |
1735                       cdc_errcode;
1736         if (has_field) {
1737                 msg->msg[8] = hec_field >> 8;
1738                 msg->msg[9] = hec_field & 0xff;
1739         }
1740 }
1741 
1742 static inline void cec_ops_cdc_hec_report_state(const struct cec_msg *msg,
1743                                                 __u16 *phys_addr,
1744                                                 __u16 *target_phys_addr,
1745                                                 __u8 *hec_func_state,
1746                                                 __u8 *host_func_state,
1747                                                 __u8 *enc_func_state,
1748                                                 __u8 *cdc_errcode,
1749                                                 __u8 *has_field,
1750                                                 __u16 *hec_field)
1751 {
1752         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1753         *target_phys_addr = (msg->msg[5] << 8) | msg->msg[6];
1754         *hec_func_state = msg->msg[7] >> 6;
1755         *host_func_state = (msg->msg[7] >> 4) & 3;
1756         *enc_func_state = (msg->msg[7] >> 4) & 3;
1757         *cdc_errcode = msg->msg[7] & 3;
1758         *has_field = msg->len >= 10;
1759         *hec_field = *has_field ? ((msg->msg[8] << 8) | msg->msg[9]) : 0;
1760 }
1761 
1762 static inline void cec_msg_cdc_hec_set_state(struct cec_msg *msg,
1763                                              __u16 phys_addr1,
1764                                              __u16 phys_addr2,
1765                                              __u8 hec_set_state,
1766                                              __u16 phys_addr3,
1767                                              __u16 phys_addr4,
1768                                              __u16 phys_addr5)
1769 {
1770         msg->len = 10;
1771         msg->msg[0] |= 0xf; /* broadcast */
1772         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1773         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1774         msg->msg[4] = CEC_MSG_CDC_HEC_INQUIRE_STATE;
1775         msg->msg[5] = phys_addr1 >> 8;
1776         msg->msg[6] = phys_addr1 & 0xff;
1777         msg->msg[7] = phys_addr2 >> 8;
1778         msg->msg[8] = phys_addr2 & 0xff;
1779         msg->msg[9] = hec_set_state;
1780         if (phys_addr3 != CEC_PHYS_ADDR_INVALID) {
1781                 msg->msg[msg->len++] = phys_addr3 >> 8;
1782                 msg->msg[msg->len++] = phys_addr3 & 0xff;
1783                 if (phys_addr4 != CEC_PHYS_ADDR_INVALID) {
1784                         msg->msg[msg->len++] = phys_addr4 >> 8;
1785                         msg->msg[msg->len++] = phys_addr4 & 0xff;
1786                         if (phys_addr5 != CEC_PHYS_ADDR_INVALID) {
1787                                 msg->msg[msg->len++] = phys_addr5 >> 8;
1788                                 msg->msg[msg->len++] = phys_addr5 & 0xff;
1789                         }
1790                 }
1791         }
1792 }
1793 
1794 static inline void cec_ops_cdc_hec_set_state(const struct cec_msg *msg,
1795                                              __u16 *phys_addr,
1796                                              __u16 *phys_addr1,
1797                                              __u16 *phys_addr2,
1798                                              __u8 *hec_set_state,
1799                                              __u16 *phys_addr3,
1800                                              __u16 *phys_addr4,
1801                                              __u16 *phys_addr5)
1802 {
1803         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1804         *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1805         *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1806         *hec_set_state = msg->msg[9];
1807         *phys_addr3 = *phys_addr4 = *phys_addr5 = CEC_PHYS_ADDR_INVALID;
1808         if (msg->len >= 12)
1809                 *phys_addr3 = (msg->msg[10] << 8) | msg->msg[11];
1810         if (msg->len >= 14)
1811                 *phys_addr4 = (msg->msg[12] << 8) | msg->msg[13];
1812         if (msg->len >= 16)
1813                 *phys_addr5 = (msg->msg[14] << 8) | msg->msg[15];
1814 }
1815 
1816 static inline void cec_msg_cdc_hec_set_state_adjacent(struct cec_msg *msg,
1817                                                       __u16 phys_addr1,
1818                                                       __u8 hec_set_state)
1819 {
1820         msg->len = 8;
1821         msg->msg[0] |= 0xf; /* broadcast */
1822         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1823         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1824         msg->msg[4] = CEC_MSG_CDC_HEC_SET_STATE_ADJACENT;
1825         msg->msg[5] = phys_addr1 >> 8;
1826         msg->msg[6] = phys_addr1 & 0xff;
1827         msg->msg[7] = hec_set_state;
1828 }
1829 
1830 static inline void cec_ops_cdc_hec_set_state_adjacent(const struct cec_msg *msg,
1831                                                       __u16 *phys_addr,
1832                                                       __u16 *phys_addr1,
1833                                                       __u8 *hec_set_state)
1834 {
1835         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1836         *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1837         *hec_set_state = msg->msg[7];
1838 }
1839 
1840 static inline void cec_msg_cdc_hec_request_deactivation(struct cec_msg *msg,
1841                                                         __u16 phys_addr1,
1842                                                         __u16 phys_addr2,
1843                                                         __u16 phys_addr3)
1844 {
1845         msg->len = 11;
1846         msg->msg[0] |= 0xf; /* broadcast */
1847         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1848         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1849         msg->msg[4] = CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION;
1850         msg->msg[5] = phys_addr1 >> 8;
1851         msg->msg[6] = phys_addr1 & 0xff;
1852         msg->msg[7] = phys_addr2 >> 8;
1853         msg->msg[8] = phys_addr2 & 0xff;
1854         msg->msg[9] = phys_addr3 >> 8;
1855         msg->msg[10] = phys_addr3 & 0xff;
1856 }
1857 
1858 static inline void cec_ops_cdc_hec_request_deactivation(const struct cec_msg *msg,
1859                                                         __u16 *phys_addr,
1860                                                         __u16 *phys_addr1,
1861                                                         __u16 *phys_addr2,
1862                                                         __u16 *phys_addr3)
1863 {
1864         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1865         *phys_addr1 = (msg->msg[5] << 8) | msg->msg[6];
1866         *phys_addr2 = (msg->msg[7] << 8) | msg->msg[8];
1867         *phys_addr3 = (msg->msg[9] << 8) | msg->msg[10];
1868 }
1869 
1870 static inline void cec_msg_cdc_hec_notify_alive(struct cec_msg *msg)
1871 {
1872         msg->len = 5;
1873         msg->msg[0] |= 0xf; /* broadcast */
1874         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1875         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1876         msg->msg[4] = CEC_MSG_CDC_HEC_NOTIFY_ALIVE;
1877 }
1878 
1879 static inline void cec_ops_cdc_hec_notify_alive(const struct cec_msg *msg,
1880                                                 __u16 *phys_addr)
1881 {
1882         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1883 }
1884 
1885 static inline void cec_msg_cdc_hec_discover(struct cec_msg *msg)
1886 {
1887         msg->len = 5;
1888         msg->msg[0] |= 0xf; /* broadcast */
1889         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1890         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1891         msg->msg[4] = CEC_MSG_CDC_HEC_DISCOVER;
1892 }
1893 
1894 static inline void cec_ops_cdc_hec_discover(const struct cec_msg *msg,
1895                                             __u16 *phys_addr)
1896 {
1897         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1898 }
1899 
1900 static inline void cec_msg_cdc_hpd_set_state(struct cec_msg *msg,
1901                                              __u8 input_port,
1902                                              __u8 hpd_state)
1903 {
1904         msg->len = 6;
1905         msg->msg[0] |= 0xf; /* broadcast */
1906         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1907         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1908         msg->msg[4] = CEC_MSG_CDC_HPD_SET_STATE;
1909         msg->msg[5] = (input_port << 4) | hpd_state;
1910 }
1911 
1912 static inline void cec_ops_cdc_hpd_set_state(const struct cec_msg *msg,
1913                                             __u16 *phys_addr,
1914                                             __u8 *input_port,
1915                                             __u8 *hpd_state)
1916 {
1917         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1918         *input_port = msg->msg[5] >> 4;
1919         *hpd_state = msg->msg[5] & 0xf;
1920 }
1921 
1922 static inline void cec_msg_cdc_hpd_report_state(struct cec_msg *msg,
1923                                                 __u8 hpd_state,
1924                                                 __u8 hpd_error)
1925 {
1926         msg->len = 6;
1927         msg->msg[0] |= 0xf; /* broadcast */
1928         msg->msg[1] = CEC_MSG_CDC_MESSAGE;
1929         /* msg[2] and msg[3] (phys_addr) are filled in by the CEC framework */
1930         msg->msg[4] = CEC_MSG_CDC_HPD_REPORT_STATE;
1931         msg->msg[5] = (hpd_state << 4) | hpd_error;
1932 }
1933 
1934 static inline void cec_ops_cdc_hpd_report_state(const struct cec_msg *msg,
1935                                                 __u16 *phys_addr,
1936                                                 __u8 *hpd_state,
1937                                                 __u8 *hpd_error)
1938 {
1939         *phys_addr = (msg->msg[2] << 8) | msg->msg[3];
1940         *hpd_state = msg->msg[5] >> 4;
1941         *hpd_error = msg->msg[5] & 0xf;
1942 }
1943 
1944 #endif