drivers/video/rockchip/hdmi/rockchip-hdmi-core.c

   1 #include <linux/delay.h>
   2 #include "rockchip-hdmi.h"
   3 #include "rockchip-hdmi-cec.h"
   4
   5 struct hdmi_delayed_work {
   6         struct delayed_work work;
   7         struct hdmi *hdmi;
   8         int event;
   9         void *data;
  10 };
  11
  12 struct hdmi_id_ref_info {
  13         struct hdmi *hdmi;
  14         int id;
  15         int ref;
  16 } ref_info[HDMI_MAX_ID];
  17
  18 static int uboot_vic;
  19 static void hdmi_work_queue(struct work_struct *work);
  20
  21 struct delayed_work *hdmi_submit_work(struct hdmi *hdmi,
  22                                       int event, int delay, void *data)
  23 {
  24         struct hdmi_delayed_work *work;
  25
  26         DBG("%s event %04x delay %d", __func__, event, delay);
  27
  28         work = kmalloc(sizeof(*work), GFP_ATOMIC);
  29
  30         if (work) {
  31                 INIT_DELAYED_WORK(&work->work, hdmi_work_queue);
  32                 work->hdmi = hdmi;
  33                 work->event = event;
  34                 work->data = data;
  35                 queue_delayed_work(hdmi->workqueue,
  36                                    &work->work,
  37                                    msecs_to_jiffies(delay));
  38         } else {
  39                 pr_warn("HDMI: Cannot allocate memory to create work\n");
  40                 return 0;
  41         }
  42
  43         return &work->work;
  44 }
  45
  46 static void hdmi_send_uevent(struct hdmi *hdmi, int uevent)
  47 {
  48         char *envp[3];
  49
  50         envp[0] = "INTERFACE=HDMI";
  51         envp[1] = kmalloc(32, GFP_KERNEL);
  52         if (envp[1] == NULL)
  53                 return;
  54         sprintf(envp[1], "SCREEN=%d", hdmi->ddev->property);
  55         envp[2] = NULL;
  56         kobject_uevent_env(&hdmi->ddev->dev->kobj, uevent, envp);
  57         kfree(envp[1]);
  58 }
  59
  60 static inline void hdmi_wq_set_output(struct hdmi *hdmi, int mute)
  61 {
  62         DBG("%s mute %d", __func__, mute);
  63         if (hdmi->ops->setmute)
  64                 hdmi->ops->setmute(hdmi, mute);
  65 }
  66
  67 static inline void hdmi_wq_set_audio(struct hdmi *hdmi)
  68 {
  69         DBG("%s", __func__);
  70         if (hdmi->ops->setaudio)
  71                 hdmi->ops->setaudio(hdmi, &hdmi->audio);
  72 }
  73
  74 static void hdmi_wq_set_video(struct hdmi *hdmi)
  75 {
  76         struct hdmi_video       video;
  77         int     deepcolor;
  78
  79         DBG("%s", __func__);
  80
  81         video.vic = hdmi->vic & HDMI_VIC_MASK;
  82         video.sink_hdmi = hdmi->edid.sink_hdmi;
  83         video.format_3d = hdmi->mode_3d;
  84
  85         /* For DVI, output RGB */
  86         if (hdmi->edid.sink_hdmi == 0) {
  87                 video.color_output = HDMI_COLOR_RGB_0_255;
  88         } else {
  89                 if (hdmi->colormode == HDMI_COLOR_AUTO) {
  90                         if (hdmi->edid.ycbcr444)
  91                                 video.color_output = HDMI_COLOR_YCBCR444;
  92                         else if (hdmi->edid.ycbcr422)
  93                                 video.color_output = HDMI_COLOR_YCBCR422;
  94                         else
  95                                 video.color_output = HDMI_COLOR_RGB_16_235;
  96                 } else {
  97                         video.color_output = hdmi->colormode;
  98                 }
  99         }
 100         if (hdmi->vic & HDMI_VIDEO_YUV420) {
 101                 video.color_output = HDMI_COLOR_YCBCR420;
 102                 deepcolor = hdmi->edid.deepcolor_420;
 103         } else {
 104                 deepcolor = hdmi->edid.deepcolor;
 105         }
 106         if ((hdmi->property->feature & SUPPORT_DEEP_10BIT) &&
 107             (deepcolor & HDMI_DEEP_COLOR_30BITS)) {
 108                 if (hdmi->colordepth == HDMI_DEPP_COLOR_AUTO ||
 109                     hdmi->colordepth == 10)
 110                         video.color_output_depth = 10;
 111         } else {
 112                 video.color_output_depth = 8;
 113         }
 114
 115         pr_info("hdmi output corlor mode is %d\n", video.color_output);
 116         video.color_input = HDMI_COLOR_RGB_0_255;
 117         if (hdmi->property->feature & SUPPORT_YCBCR_INPUT) {
 118                 if (video.color_output == HDMI_COLOR_YCBCR444 ||
 119                     video.color_output == HDMI_COLOR_YCBCR422)
 120                         video.color_input = HDMI_COLOR_YCBCR444;
 121                 else if (video.color_output == HDMI_COLOR_YCBCR420)
 122                         video.color_input = HDMI_COLOR_YCBCR420;
 123         }
 124         hdmi->colormode_input = video.color_input;
 125         hdmi_set_lcdc(hdmi);
 126         if (hdmi->ops->setvideo)
 127                 hdmi->ops->setvideo(hdmi, &video);
 128 }
 129
 130 static void hdmi_wq_parse_edid(struct hdmi *hdmi)
 131 {
 132         struct hdmi_edid *pedid;
 133
 134         int rc = HDMI_ERROR_SUCESS, extendblock = 0, i, trytimes;
 135
 136         if (hdmi == NULL)
 137                 return;
 138
 139         DBG("%s", __func__);
 140
 141         pedid = &(hdmi->edid);
 142         fb_destroy_modelist(&pedid->modelist);
 143         memset(pedid, 0, sizeof(struct hdmi_edid));
 144         INIT_LIST_HEAD(&pedid->modelist);
 145
 146         pedid->raw[0] = kmalloc(HDMI_EDID_BLOCK_SIZE, GFP_KERNEL);
 147         if (pedid->raw[0] == NULL) {
 148                 dev_err(hdmi->dev,
 149                         "[%s] can not allocate memory for edid buff.\n",
 150                         __func__);
 151                 rc = HDMI_ERROR_FALSE;
 152                 goto out;
 153         }
 154
 155         if (hdmi->ops->getedid == NULL) {
 156                 rc = HDMI_ERROR_FALSE;
 157                 goto out;
 158         }
 159
 160         /* Read base block edid.*/
 161         for (trytimes = 0; trytimes < 3; trytimes++) {
 162                 if (trytimes)
 163                         msleep(50);
 164                 memset(pedid->raw[0], 0 , HDMI_EDID_BLOCK_SIZE);
 165                 rc = hdmi->ops->getedid(hdmi, 0, pedid->raw[0]);
 166                 if (rc) {
 167                         dev_err(hdmi->dev,
 168                                 "[HDMI] read edid base block error\n");
 169                         continue;
 170                 }
 171
 172                 rc = hdmi_edid_parse_base(pedid->raw[0], &extendblock, pedid);
 173                 if (rc) {
 174                         dev_err(hdmi->dev,
 175                                 "[HDMI] parse edid base block error\n");
 176                         continue;
 177                 }
 178                 if (!rc)
 179                         break;
 180         }
 181         if (rc)
 182                 goto out;
 183
 184         for (i = 1; (i < extendblock + 1) && (i < HDMI_MAX_EDID_BLOCK); i++) {
 185                 pedid->raw[i] = kmalloc(HDMI_EDID_BLOCK_SIZE, GFP_KERNEL);
 186                 if (pedid->raw[i] == NULL) {
 187                         dev_err(hdmi->dev,
 188                                 "[%s] can not allocate memory for edid buff.\n",
 189                                 __func__);
 190                         rc = HDMI_ERROR_FALSE;
 191                         goto out;
 192                 }
 193                 for (trytimes = 0; trytimes < 3; trytimes++) {
 194                         if (trytimes)
 195                                 msleep(20);
 196                         memset(pedid->raw[i], 0 , HDMI_EDID_BLOCK_SIZE);
 197                         rc = hdmi->ops->getedid(hdmi, i, pedid->raw[i]);
 198                         if (rc) {
 199                                 dev_err(hdmi->dev,
 200                                         "[HDMI] read edid block %d error\n",
 201                                         i);
 202                                 continue;
 203                         }
 204
 205                         rc = hdmi_edid_parse_extensions(pedid->raw[i], pedid);
 206                         if (rc) {
 207                                 dev_err(hdmi->dev,
 208                                         "[HDMI] parse edid block %d error\n",
 209                                         i);
 210                                 continue;
 211                         }
 212
 213                         if (!rc)
 214                                 break;
 215                 }
 216         }
 217 out:
 218         rc = hdmi_ouputmode_select(hdmi, rc);
 219 }
 220
 221 static void hdmi_wq_insert(struct hdmi *hdmi)
 222 {
 223         DBG("%s", __func__);
 224         if (hdmi->ops->insert)
 225                 hdmi->ops->insert(hdmi);
 226         hdmi_wq_parse_edid(hdmi);
 227         if (hdmi->property->feature & SUPPORT_CEC)
 228                 rockchip_hdmi_cec_set_pa(hdmi->edid.cecaddress);
 229         hdmi_send_uevent(hdmi, KOBJ_ADD);
 230         if (hdmi->enable) {
 231                 /*hdmi->autoset = 0;*/
 232                 hdmi_wq_set_video(hdmi);
 233                 #ifdef CONFIG_SWITCH
 234                 switch_set_state(&(hdmi->switchdev), 1);
 235                 #endif
 236                 hdmi_wq_set_audio(hdmi);
 237                 hdmi_wq_set_output(hdmi, hdmi->mute);
 238                 hdmi_submit_work(hdmi, HDMI_ENABLE_HDCP, 100, NULL);
 239                 if (hdmi->ops->setcec)
 240                         hdmi->ops->setcec(hdmi);
 241         }
 242         if (hdmi->uboot)
 243                 hdmi->uboot = 0;
 244 }
 245
 246 static void hdmi_wq_remove(struct hdmi *hdmi)
 247 {
 248         struct list_head *pos, *n;
 249         struct rk_screen screen;
 250         int i;
 251
 252         DBG("%s", __func__);
 253         if (hdmi->ops->remove)
 254                 hdmi->ops->remove(hdmi);
 255         if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
 256                 screen.type = SCREEN_HDMI;
 257                 rk_fb_switch_screen(&screen, 0, hdmi->lcdc->id);
 258         }
 259         #ifdef CONFIG_SWITCH
 260         switch_set_state(&(hdmi->switchdev), 0);
 261         #endif
 262         mutex_lock(&hdmi->ddev->lock);
 263         list_for_each_safe(pos, n, &hdmi->edid.modelist) {
 264                 list_del(pos);
 265                 kfree(pos);
 266         }
 267         mutex_unlock(&hdmi->ddev->lock);
 268         for (i = 0; i < HDMI_MAX_EDID_BLOCK; i++)
 269                 kfree(hdmi->edid.raw[i]);
 270         kfree(hdmi->edid.audio);
 271         if (hdmi->edid.specs) {
 272                 kfree(hdmi->edid.specs->modedb);
 273                 kfree(hdmi->edid.specs);
 274         }
 275         memset(&hdmi->edid, 0, sizeof(struct hdmi_edid));
 276         hdmi_init_modelist(hdmi);
 277         hdmi->mute      = HDMI_AV_UNMUTE;
 278         hdmi->mode_3d = HDMI_3D_NONE;
 279         hdmi->uboot = 0;
 280         hdmi->hotplug = HDMI_HPD_REMOVED;
 281         hdmi_send_uevent(hdmi, KOBJ_REMOVE);
 282 }
 283
 284 static void hdmi_work_queue(struct work_struct *work)
 285 {
 286         struct hdmi_delayed_work *hdmi_w =
 287                 container_of(work, struct hdmi_delayed_work, work.work);
 288         struct hdmi *hdmi = hdmi_w->hdmi;
 289         int event = hdmi_w->event;
 290         int hpd = HDMI_HPD_REMOVED;
 291
 292         mutex_lock(&hdmi->lock);
 293
 294         DBG("\nhdmi_work_queue() - evt= %x %d\n",
 295             (event & 0xFF00) >> 8,
 296             event & 0xFF);
 297
 298         switch (event) {
 299         case HDMI_ENABLE_CTL:
 300                 if (!hdmi->enable) {
 301                         hdmi->enable = 1;
 302                         if (!hdmi->sleep) {
 303                                 if (hdmi->ops->enable)
 304                                         hdmi->ops->enable(hdmi);
 305                                 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
 306                                         hdmi_wq_insert(hdmi);
 307                         }
 308                 }
 309                 break;
 310         case HDMI_RESUME_CTL:
 311                 if (hdmi->sleep) {
 312                         if (hdmi->ops->enable)
 313                                 hdmi->ops->enable(hdmi);
 314                         hdmi->sleep = 0;
 315                 }
 316                 break;
 317         case HDMI_DISABLE_CTL:
 318                 if (hdmi->enable) {
 319                         if (!hdmi->sleep) {
 320                                 if (hdmi->ops->disable)
 321                                         hdmi->ops->disable(hdmi);
 322                                 hdmi_wq_remove(hdmi);
 323                         }
 324                         hdmi->enable = 0;
 325                 }
 326                 break;
 327         case HDMI_SUSPEND_CTL:
 328                 if (!hdmi->sleep) {
 329                         hdmi_wq_set_output(hdmi,
 330                                            HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
 331                         if (hdmi->ops->disable)
 332                                 hdmi->ops->disable(hdmi);
 333                         if (hdmi->enable)
 334                                 hdmi_wq_remove(hdmi);
 335                         hdmi->sleep = 1;
 336                 }
 337                 break;
 338         case HDMI_HPD_CHANGE:
 339                 if (hdmi->ops->getstatus)
 340                         hpd = hdmi->ops->getstatus(hdmi);
 341                 DBG("hdmi_work_queue() - hpd is %d hotplug is %d",
 342                     hpd, hdmi->hotplug);
 343                 if (hpd != hdmi->hotplug) {
 344                         if (hpd == HDMI_HPD_ACTIVED) {
 345                                 hdmi->hotplug = hpd;
 346                                 hdmi_wq_insert(hdmi);
 347                         } else if (hdmi->hotplug == HDMI_HPD_ACTIVED) {
 348                                 hdmi_wq_remove(hdmi);
 349                         }
 350                         hdmi->hotplug = hpd;
 351                 }
 352                 break;
 353         case HDMI_SET_VIDEO:
 354                 if (hdmi->enable && !hdmi->sleep) {
 355                         hdmi_wq_set_output(hdmi,
 356                                            HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
 357                         if (rk_fb_get_display_policy() == DISPLAY_POLICY_BOX)
 358                                 msleep(2000);
 359                         else
 360                                 msleep(1000);
 361                         hdmi_wq_set_video(hdmi);
 362                         hdmi_send_uevent(hdmi, KOBJ_CHANGE);
 363                         hdmi_wq_set_audio(hdmi);
 364                         hdmi_wq_set_output(hdmi, hdmi->mute);
 365                         if (hdmi->ops->hdcp_cb)
 366                                 hdmi->ops->hdcp_cb(hdmi);
 367                 }
 368                 break;
 369         case HDMI_SET_AUDIO:
 370                 if ((hdmi->mute & HDMI_AUDIO_MUTE) == 0 &&
 371                     hdmi->enable && !hdmi->sleep) {
 372                         hdmi_wq_set_output(hdmi, HDMI_AUDIO_MUTE);
 373                         hdmi_wq_set_audio(hdmi);
 374                         hdmi_wq_set_output(hdmi, hdmi->mute);
 375                 }
 376                 break;
 377         case HDMI_MUTE_AUDIO:
 378         case HDMI_UNMUTE_AUDIO:
 379                 if (hdmi->mute & HDMI_AUDIO_MUTE ||
 380                     !hdmi->enable || hdmi->sleep ||
 381                     hdmi->hotplug != HDMI_HPD_ACTIVED)
 382                         break;
 383                 if (event == HDMI_MUTE_AUDIO)
 384                         hdmi_wq_set_output(hdmi, hdmi->mute |
 385                                            HDMI_AUDIO_MUTE);
 386                 else
 387                         hdmi_wq_set_output(hdmi,
 388                                            hdmi->mute & (~HDMI_AUDIO_MUTE));
 389                 break;
 390         case HDMI_SET_3D:
 391                 if (hdmi->ops->setvsi) {
 392                         if (hdmi->mode_3d != HDMI_3D_NONE)
 393                                 hdmi->ops->setvsi(hdmi, hdmi->mode_3d,
 394                                                   HDMI_VIDEO_FORMAT_3D);
 395                         else if ((hdmi->vic & HDMI_TYPE_MASK) == 0)
 396                                 hdmi->ops->setvsi(hdmi, hdmi->vic,
 397                                                   HDMI_VIDEO_FORMAT_NORMAL);
 398                 }
 399                 break;
 400         case HDMI_SET_COLOR:
 401                 hdmi_wq_set_output(hdmi,
 402                                    HDMI_VIDEO_MUTE | HDMI_AUDIO_MUTE);
 403                 msleep(100);
 404                 hdmi_wq_set_video(hdmi);
 405                 hdmi_wq_set_output(hdmi, hdmi->mute);
 406                 break;
 407         case HDMI_ENABLE_HDCP:
 408                 if (hdmi->hotplug == HDMI_HPD_ACTIVED && hdmi->ops->hdcp_cb)
 409                         hdmi->ops->hdcp_cb(hdmi);
 410                 break;
 411         case HDMI_HDCP_AUTH_2ND:
 412                 if (hdmi->hotplug == HDMI_HPD_ACTIVED &&
 413                     hdmi->ops->hdcp_auth2nd)
 414                         hdmi->ops->hdcp_auth2nd(hdmi);
 415                 break;
 416         default:
 417                 pr_err("HDMI: hdmi_work_queue() unkown event\n");
 418                 break;
 419         }
 420
 421         kfree(hdmi_w->data);
 422         kfree(hdmi_w);
 423
 424         DBG("\nhdmi_work_queue() - exit evt= %x %d\n",
 425             (event & 0xFF00) >> 8,
 426             event & 0xFF);
 427         mutex_unlock(&hdmi->lock);
 428 }
 429
 430 struct hdmi *rockchip_hdmi_register(struct hdmi_property *property,
 431                                     struct hdmi_ops *ops)
 432 {
 433         struct hdmi *hdmi;
 434         char name[32];
 435         int i;
 436
 437         if (property == NULL || ops == NULL) {
 438                 pr_err("HDMI: %s invalid parameter\n", __func__);
 439                 return NULL;
 440         }
 441
 442         for (i = 0; i < HDMI_MAX_ID; i++) {
 443                 if (ref_info[i].ref == 0)
 444                         break;
 445         }
 446         if (i == HDMI_MAX_ID)
 447                 return NULL;
 448
 449         DBG("hdmi_register() - video source %d display %d",
 450             property->videosrc,  property->display);
 451
 452         hdmi = kmalloc(sizeof(*hdmi), GFP_KERNEL);
 453         if (!hdmi) {
 454                 pr_err("HDMI: no memory to allocate hdmi device.\n");
 455                 return NULL;
 456         }
 457         memset(hdmi, 0, sizeof(struct hdmi));
 458         mutex_init(&hdmi->lock);
 459
 460         hdmi->property = property;
 461         hdmi->ops = ops;
 462         hdmi->enable = false;
 463         hdmi->mute = HDMI_AV_UNMUTE;
 464         hdmi->hotplug = HDMI_HPD_REMOVED;
 465         hdmi->autoset = HDMI_AUTO_CONFIG;
 466         if (uboot_vic > 0) {
 467                 hdmi->vic = uboot_vic;
 468                 hdmi->uboot = 1;
 469                 hdmi->autoset = 0;
 470         } else if (hdmi->autoset) {
 471                 hdmi->vic = 0;
 472         } else {
 473                 hdmi->vic = hdmi->property->defaultmode;
 474         }
 475         hdmi->colormode = HDMI_VIDEO_DEFAULT_COLORMODE;
 476         hdmi->colordepth = HDMI_DEPP_COLOR_AUTO;
 477         hdmi->mode_3d = HDMI_3D_NONE;
 478         hdmi->audio.type = HDMI_AUDIO_DEFAULT_TYPE;
 479         hdmi->audio.channel = HDMI_AUDIO_DEFAULT_CHANNEL;
 480         hdmi->audio.rate = HDMI_AUDIO_DEFAULT_RATE;
 481         hdmi->audio.word_length = HDMI_AUDIO_DEFAULT_WORDLENGTH;
 482         hdmi->xscale = 100;
 483         hdmi->yscale = 100;
 484         hdmi_init_modelist(hdmi);
 485
 486         if (hdmi->property->videosrc == DISPLAY_SOURCE_LCDC0)
 487                 hdmi->lcdc = rk_get_lcdc_drv("lcdc0");
 488         else
 489                 hdmi->lcdc = rk_get_lcdc_drv("lcdc1");
 490
 491         if (hdmi->lcdc->prop == EXTEND)
 492                 hdmi->property->display = DISPLAY_AUX;
 493         else
 494                 hdmi->property->display = DISPLAY_MAIN;
 495         memset(name, 0, 32);
 496         sprintf(name, "hdmi-%s", hdmi->property->name);
 497         hdmi->workqueue = create_singlethread_workqueue(name);
 498         if (hdmi->workqueue == NULL) {
 499                 pr_err("HDMI,: create workqueue failed.\n");
 500                 goto err_create_wq;
 501         }
 502         hdmi->ddev = hdmi_register_display_sysfs(hdmi, NULL);
 503         if (hdmi->ddev == NULL) {
 504                 pr_err("HDMI : register display sysfs failed.\n");
 505                 goto err_register_display;
 506         }
 507         hdmi->id = i;
 508         #ifdef CONFIG_SWITCH
 509         if (hdmi->id == 0) {
 510                 hdmi->switchdev.name = "hdmi";
 511         } else {
 512                 hdmi->switchdev.name = kzalloc(32, GFP_KERNEL);
 513                 memset((char *)hdmi->switchdev.name, 0, 32);
 514                 sprintf((char *)hdmi->switchdev.name, "hdmi%d", hdmi->id);
 515         }
 516         switch_dev_register(&(hdmi->switchdev));
 517         #endif
 518
 519         ref_info[i].hdmi = hdmi;
 520         ref_info[i].ref = 1;
 521         return hdmi;
 522
 523 err_register_display:
 524         destroy_workqueue(hdmi->workqueue);
 525 err_create_wq:
 526         kfree(hdmi);
 527         return NULL;
 528 }
 529
 530 void rockchip_hdmi_unregister(struct hdmi *hdmi)
 531 {
 532         if (hdmi) {
 533                 flush_workqueue(hdmi->workqueue);
 534                 destroy_workqueue(hdmi->workqueue);
 535                 #ifdef CONFIG_SWITCH
 536                 switch_dev_unregister(&(hdmi->switchdev));
 537                 #endif
 538                 hdmi_unregister_display_sysfs(hdmi);
 539                 fb_destroy_modelist(&hdmi->edid.modelist);
 540                 kfree(hdmi->edid.audio);
 541                 if (hdmi->edid.specs) {
 542                         kfree(hdmi->edid.specs->modedb);
 543                         kfree(hdmi->edid.specs);
 544                 }
 545                 kfree(hdmi);
 546
 547                 ref_info[hdmi->id].ref = 0;
 548                 ref_info[hdmi->id].hdmi = NULL;
 549
 550                 hdmi = NULL;
 551         }
 552 }
 553
 554 int hdmi_get_hotplug(void)
 555 {
 556         if (ref_info[0].hdmi)
 557                 return ref_info[0].hdmi->hotplug;
 558         else
 559                 return HDMI_HPD_REMOVED;
 560 }
 561
 562 int hdmi_config_audio(struct hdmi_audio *audio)
 563 {
 564         int i;
 565         struct hdmi *hdmi;
 566
 567         if (audio == NULL)
 568                 return HDMI_ERROR_FALSE;
 569
 570         for (i = 0; i < HDMI_MAX_ID; i++) {
 571                 if (ref_info[i].ref == 0)
 572                         continue;
 573                 hdmi = ref_info[i].hdmi;
 574
 575                 /*
 576                 if (memcmp(audio, &hdmi->audio, sizeof(struct hdmi_audio)) == 0)
 577                         continue;
 578                 */
 579                 /*for (j = 0; j < hdmi->edid.audio_num; j++) {
 580                         if (audio->type == hdmi->edid.audio_num)
 581                                 break;
 582                 }*/
 583
 584                 /*if ( (j == hdmi->edid.audio_num) ||
 585                         (audio->channel > hdmi->edid.audio[j].channel) ||
 586                         ((audio->rate & hdmi->edid.audio[j].rate) == 0)||
 587                         ((audio->type == HDMI_AUDIO_LPCM) &&
 588                         ((audio->word_length &
 589                           hdmi->edid.audio[j].word_length) == 0)) ) {
 590                         pr_warn("[%s] warning : input audio type
 591                                 not supported in hdmi sink\n", __func__);
 592                         continue;
 593                 }*/
 594                 memcpy(&hdmi->audio, audio, sizeof(struct hdmi_audio));
 595                 if (hdmi->hotplug == HDMI_HPD_ACTIVED)
 596                         hdmi_submit_work(hdmi, HDMI_SET_AUDIO, 0, NULL);
 597         }
 598         return 0;
 599 }
 600
 601 void hdmi_audio_mute(int mute)
 602 {
 603         int i;
 604         struct hdmi *hdmi;
 605
 606         for (i = 0; i < HDMI_MAX_ID; i++) {
 607                 if (ref_info[i].ref == 0)
 608                         continue;
 609                 hdmi = ref_info[i].hdmi;
 610
 611                 if (mute)
 612                         hdmi_submit_work(hdmi, HDMI_MUTE_AUDIO, 0, NULL);
 613                 else
 614                         hdmi_submit_work(hdmi, HDMI_UNMUTE_AUDIO, 0, NULL);
 615         }
 616 }
 617
 618 static int __init bootloader_setup(char *str)
 619 {
 620         if (str) {
 621                 pr_info("hdmi init vic is %s\n", str);
 622                 if (kstrtoint(str, 0, &uboot_vic) < 0)
 623                         uboot_vic = 0;
 624         }
 625         return 0;
 626 }
 627
 628 early_param("hdmi.vic", bootloader_setup);
 629
 630 static int __init hdmi_class_init(void)
 631 {
 632         int i;
 633
 634         for (i = 0; i < HDMI_MAX_ID; i++) {
 635                 ref_info[i].id = i;
 636                 ref_info[i].ref = 0;
 637                 ref_info[i].hdmi = NULL;
 638         }
 639         pr_info("Rockchip hdmi driver version 2.0\n.");
 640         return 0;
 641 }
 642
 643 subsys_initcall(hdmi_class_init);