drivers/video/rockchip/hdmi/rk_hdmi_lcdc.c

   1 #include <linux/console.h>
   2 #include<linux/rk_fb.h>
   3 #include "rk_hdmi.h"
   4
   5 #define OUT_TYPE                SCREEN_HDMI
   6 #define OUT_FACE                OUT_P888
   7 #define DCLK_POL                1
   8 #define SWAP_RB                 0
   9 #define LCD_ACLK                800000000
  10
  11 static struct hdmi *m_hdmi_drv = NULL;
  12
  13 static const struct fb_videomode hdmi_mode [] = {
  14         //name                  refresh         xres    yres    pixclock                h_bp    h_fp    v_bp    v_fp    h_pw    v_pw    polariry        PorI    flag(used for vic)
  15 //{     "640x480p@60Hz",                60,             640,    480,    25175000,       48,     16,     33,     10,     96,     2,      0,      0,      1       },
  16 //{     "720x480i@60Hz",                60,             720,    480,    27000000,       114,    38,     15,     4,      124,    3,      0,      1,      6       },
  17 //{     "720x576i@50Hz",                50,             720,    576,    27000000,       138,    24,     19,     2,      126,    3,      0,      1,      21      },
  18 {       "720x480p@60Hz",        60,             720,    480,    27000000,       60,     16,     30,     9,      62,     6,      0,      0,      2       },
  19 {       "720x576p@50Hz",        50,             720,    576,    27000000,       68,     12,     39,     5,      64,     5,      0,      0,      17      },
  20 //{     "1280x720p@24Hz",       24,             1280,   720,    59400000,       220,    1760,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              60      },
  21 //{     "1280x720p@25Hz",       25,             1280,   720,    74250000,       220,    2420,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              61      },
  22 //{     "1280x720p@30Hz",       30,             1280,   720,    74250000,       220,    1760,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              62      },
  23 {       "1280x720p@50Hz",       50,             1280,   720,    74250000,       220,    440,    20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              19      },
  24 {       "1280x720p@60Hz",       60,             1280,   720,    74250000,       220,    110,    20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              4       },
  25 //{     "1920x1080p@24Hz",      24,             1920,   1080,   74250000,       148,    638,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              32      },
  26 //{     "1920x1080p@25Hz",      25,             1920,   1080,   74250000,       148,    528,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              33      },
  27 //{     "1920x1080p@30Hz",      30,             1920,   1080,   74250000,       148,    88,     36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              34      },
  28 //{     "1920x1080i@50Hz_2",    50,             1920,   1080,   72000000,       184,    32,     57,     23,     168,    5,      FB_SYNC_HOR_HIGH_ACT,                   1,              39      },
  29 //{     "1920x1080i@50Hz",      50,             1920,   1080,   74250000,       148,    528,    15,     2,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   1,              20      },
  30 //{     "1920x1080i@60Hz",      60,             1920,   1080,   74250000,       148,    88,     15,     2,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   1,              5       },
  31 {       "1920x1080p@50Hz",      50,             1920,   1080,   148500000,      148,    528,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              31      },
  32 {       "1920x1080p@60Hz",      60,             1920,   1080,   148500000,      148,    88,     36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              16      },
  33 /*
  34 {       "1440x288p@50Hz",       50,             720,    480,    27000000,       138,    24,     19,     2,      126,    3,              0,                      0,              23      },
  35 {       "2880x576i@50Hz",       50,             1440,   240,    54000000,       276,    48,     19,     2,      252,    3,              0,                      1,              25      },
  36 {       "2880x288p@50Hz",       50,             2880,   480,    54000000,       276,    48,     19,     3,      252,    3,              0,                      0,              27      },
  37 {       "1440x576p@50Hz",       50,             2880,   480,    54000000,       136,    24,     39,     5,      128,    5,              0,                      0,              29      },
  38 {       "2880x576p@50Hz",       50,             1920,   1080,   108000000,      272,    48,     39,     5,      256,    5,              0,                      0,              37      },
  39 {       "1440x240p@60Hz",       60,             1440,   240,    27000000,       114,    38,     15,     4,      124,    3,              0,                      0,              8       },
  40 {       "2880x480i@60Hz",       60,             2880,   480,    54000000,       228,    76,     15,     4,      248,    3,              0,                      1,              10      },
  41 {       "2880x480p@60Hz",       60,             2880,   480,    54000000,       228,    76,     15,     4,      248,    3,              0,                      0,              12      },
  42 {       "1440x480p@60Hz",       60,             1440,   480,    54000000,       120,    32,     30,     9,      124,    6,              0,                      0,              14      },
  43 {       "2880x480p@60Hz",       60,             2880,   480,    54000000,       240,    64,     30,     9,      248,    6,              0,                      0,              35      },
  44
  45 {       "1920x1080i@100Hz",     100,            1920,   1080,   148500000,      148,    528,    15,     2,      44,     5,              1,                      1,              40      },
  46 {       "1280x720p@100Hz",      100,            1280,   720,    148500000,      220,    440,    20,     5,      40,     5,              1,                      0,              41      },
  47 {       "720x576p@100Hz",       100,            720,    576,    54000000,       68,             12,     39,     5,      64,             5,              0,                      0,              42      },
  48 {       "1440x576i@100Hz",      100,            1440,   576,    54000000,       138,    24,     19,     2,      12,     3,              0,                      1,              44      },
  49 {       "1920x1080p@100Hz",     100,            1920,   1080,   297000000,      148,    528,    36,     4,      44,     5,              1,                      0,              64      },
  50
  51 {       "1920x1080i@120Hz",     120,            1920,   1080,   148500000,      148,    88,     15,     2,      44,     5,              1,                      1,              46      },
  52 {       "1280x720p@120Hz",      120,            1280,   720,    148500000,      220,    110,    20,     5,      40,     5,              1,                      0,              47      },
  53 {       "720x480p@120Hz",       120,            720,    480,    54000000,       60,             16,     30,     9,      62,             6,              0,                      0,              48      },
  54 {       "1440x480i@120Hz",      120,            1440,   480,    54000000,       114,    38,     15,     4,      12,     3,              0,                      1,              50      },
  55 {       "1920x1080p@120Hz",     120,            1920,   1080,   297000000,      148,    88,     36,     4,      44,     5,              1,                      0,              63      },
  56
  57 {       "720x576p@200Hz",       200,            720,    576,    108000000,      68,     12,     39,     5,      64,     5,              0,                      0,              52      },
  58 {       "1440x576i@200Hz",      200,            1920,   1080,   108000000,      138,    24,     19,     2,      12,     3,              0,                      1,              54      },
  59
  60 {       "720x480p@240Hz",       240,            720,    480,    108000000,      60,     16,     30,     9,      62,     6,              0,                      0,              56      },
  61 {       "1440x480i@240Hz",      240,            1440,   480,    108000000,      114,    38,     15,     4,      12,     3,              0,                      1,              58      },
  62 */
  63 {       "3840x2160p@30Hz",      30,             3840,   2160,   297000000,      296,    1276,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              93      },
  64
  65 };
  66
  67 void hdmi_init_lcdc(struct rk_screen *screen, struct rk29lcd_info *lcd_info)
  68 {
  69         hdmi_set_info(screen, HDMI_VIDEO_DEFAULT_MODE);
  70 }
  71
  72 int hdmi_set_info(struct rk_screen *screen, unsigned int vic)
  73 {
  74     int i;
  75
  76     if(screen == NULL)
  77         return -1;
  78
  79     if(vic == 0)
  80         vic = HDMI_VIDEO_DEFAULT_MODE;
  81
  82     for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
  83     {
  84         if(hdmi_mode[i].flag == vic)
  85                 break;
  86     }
  87     if(i == ARRAY_SIZE(hdmi_mode))
  88         return -1;
  89
  90     memset(screen, 0, sizeof(struct rk_screen));
  91
  92     /* screen type & face */
  93     screen->type = OUT_TYPE;
  94     screen->face = OUT_FACE;
  95
  96     /* Screen size */
  97     screen->mode.xres = hdmi_mode[i].xres;
  98     screen->mode.yres = hdmi_mode[i].yres;
  99
 100     /* Timing */
 101     screen->mode.pixclock = hdmi_mode[i].pixclock;
 102     screen->mode.refresh = hdmi_mode[i].refresh;
 103         //screen->lcdc_aclk = LCD_ACLK;
 104         screen->mode.left_margin = hdmi_mode[i].left_margin;
 105         screen->mode.right_margin = hdmi_mode[i].right_margin;
 106         screen->mode.hsync_len = hdmi_mode[i].hsync_len;
 107         screen->mode.upper_margin = hdmi_mode[i].upper_margin;
 108         screen->mode.lower_margin = hdmi_mode[i].lower_margin;
 109         screen->mode.vsync_len = hdmi_mode[i].vsync_len;
 110         screen->hdmi_resolution = hdmi_mode[i].flag;
 111
 112         /* Pin polarity */
 113 #if defined(CONFIG_HDMI_RK616) && !defined(CONFIG_ARCH_RK3026)
 114         screen->pin_hsync = 0;
 115         screen->pin_vsync = 0;
 116 #else
 117         screen->pin_hsync = 0;
 118         if(FB_SYNC_HOR_HIGH_ACT & hdmi_mode[i].sync)
 119                 screen->pin_hsync = 1;
 120         else
 121                 screen->pin_hsync = 0;
 122         if(FB_SYNC_VERT_HIGH_ACT & hdmi_mode[i].sync)
 123                 screen->pin_vsync = 1;
 124         else
 125                 screen->pin_vsync = 0;
 126 #endif
 127         screen->pin_den = 1;    //TODO modify by Daisen
 128         screen->pin_dclk = DCLK_POL;
 129
 130         /* Swap rule */
 131     screen->swap_rb = SWAP_RB;
 132     screen->swap_rg = 0;
 133     screen->swap_gb = 0;
 134     screen->swap_delta = 0;
 135     screen->swap_dumy = 0;
 136
 137     /* Operation function*/
 138     screen->init = NULL;
 139     screen->standby = NULL;
 140
 141     return 0;
 142 }
 143
 144 static void hdmi_show_sink_info(struct hdmi *hdmi)
 145 {
 146         struct list_head *pos, *head = &hdmi->edid.modelist;
 147         struct fb_modelist *modelist;
 148         struct fb_videomode *m;
 149         int i;
 150         struct hdmi_audio *audio;
 151
 152         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 153         hdmi_dbg(hdmi->dev, "Support video mode: \n");
 154         list_for_each(pos, head) {
 155                 modelist = list_entry(pos, struct fb_modelist, list);
 156                 m = &modelist->mode;
 157                 hdmi_dbg(hdmi->dev, "   %s.\n", m->name);
 158         }
 159
 160         for(i = 0; i < hdmi->edid.audio_num; i++)
 161         {
 162                 audio = &(hdmi->edid.audio[i]);
 163                 switch(audio->type)
 164                 {
 165                         case HDMI_AUDIO_LPCM:
 166                                 hdmi_dbg(hdmi->dev, "Support audio type: LPCM\n");
 167                                 break;
 168                         case HDMI_AUDIO_AC3:
 169                                 hdmi_dbg(hdmi->dev, "Support audio type: AC3\n");
 170                                 break;
 171                         case HDMI_AUDIO_MPEG1:
 172                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG1\n");
 173                                 break;
 174                         case HDMI_AUDIO_MP3:
 175                                 hdmi_dbg(hdmi->dev, "Support audio type: MP3\n");
 176                                 break;
 177                         case HDMI_AUDIO_MPEG2:
 178                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG2\n");
 179                                 break;
 180                         case HDMI_AUDIO_AAC_LC:
 181                                 hdmi_dbg(hdmi->dev, "Support audio type: AAC\n");
 182                                 break;
 183                         case HDMI_AUDIO_DTS:
 184                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS\n");
 185                                 break;
 186                         case HDMI_AUDIO_ATARC:
 187                                 hdmi_dbg(hdmi->dev, "Support audio type: ATARC\n");
 188                                 break;
 189                         case HDMI_AUDIO_DSD:
 190                                 hdmi_dbg(hdmi->dev, "Support audio type: DSD\n");
 191                                 break;
 192                         case HDMI_AUDIO_E_AC3:
 193                                 hdmi_dbg(hdmi->dev, "Support audio type: E-AC3\n");
 194                                 break;
 195                         case HDMI_AUDIO_DTS_HD:
 196                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS-HD\n");
 197                                 break;
 198                         case HDMI_AUDIO_MLP:
 199                                 hdmi_dbg(hdmi->dev, "Support audio type: MLP\n");
 200                                 break;
 201                         case HDMI_AUDIO_DST:
 202                                 hdmi_dbg(hdmi->dev, "Support audio type: DST\n");
 203                                 break;
 204                         case HDMI_AUDIO_WMA_PRO:
 205                                 hdmi_dbg(hdmi->dev, "Support audio type: WMP-PRO\n");
 206                                 break;
 207                         default:
 208                                 hdmi_dbg(hdmi->dev, "Support audio type: Unkown\n");
 209                                 break;
 210                 }
 211
 212                 hdmi_dbg(hdmi->dev, "Support audio sample rate: \n");
 213                 if(audio->rate & HDMI_AUDIO_FS_32000)
 214                         hdmi_dbg(hdmi->dev, "   32000\n");
 215                 if(audio->rate & HDMI_AUDIO_FS_44100)
 216                         hdmi_dbg(hdmi->dev, "   44100\n");
 217                 if(audio->rate & HDMI_AUDIO_FS_48000)
 218                         hdmi_dbg(hdmi->dev, "   48000\n");
 219                 if(audio->rate & HDMI_AUDIO_FS_88200)
 220                         hdmi_dbg(hdmi->dev, "   88200\n");
 221                 if(audio->rate & HDMI_AUDIO_FS_96000)
 222                         hdmi_dbg(hdmi->dev, "   96000\n");
 223                 if(audio->rate & HDMI_AUDIO_FS_176400)
 224                         hdmi_dbg(hdmi->dev, "   176400\n");
 225                 if(audio->rate & HDMI_AUDIO_FS_192000)
 226                         hdmi_dbg(hdmi->dev, "   192000\n");
 227
 228                 hdmi_dbg(hdmi->dev, "Support audio word lenght: \n");
 229                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_16bit)
 230                         hdmi_dbg(hdmi->dev, "   16bit\n");
 231                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_20bit)
 232                         hdmi_dbg(hdmi->dev, "   20bit\n");
 233                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_24bit)
 234                         hdmi_dbg(hdmi->dev, "   24bit\n");
 235         }
 236         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 237 }
 238
 239 /**
 240  * hdmi_ouputmode_select - select hdmi transmitter output mode: hdmi or dvi?
 241  * @hdmi: handle of hdmi
 242  * @edid_ok: get EDID data success or not, HDMI_ERROR_SUCESS means success.
 243  */
 244 int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
 245 {
 246         struct list_head *head = &hdmi->edid.modelist;
 247         struct fb_monspecs      *specs = hdmi->edid.specs;
 248         struct fb_videomode *modedb = NULL;
 249         int i, pixclock;
 250
 251         if(edid_ok != HDMI_ERROR_SUCESS) {
 252                 dev_err(hdmi->dev, "warning: EDID error, assume sink as HDMI and asume minitor support audio output!!!!");
 253                 hdmi->edid.sink_hdmi = 1;
 254                 //if edid error,asume monitor support audio output.
 255                 hdmi->edid.base_audio_support = 1;
 256         }
 257
 258         if(edid_ok != HDMI_ERROR_SUCESS) {
 259                 hdmi->edid.ycbcr444 = 0;
 260                 hdmi->edid.ycbcr422 = 0;
 261                 hdmi->autoconfig = HDMI_DISABLE;
 262         }
 263         if(head->next == head) {
 264                 dev_info(hdmi->dev, "warning: no CEA video mode parsed from EDID !!!!");
 265                 // If EDID get error, list all system supported mode.
 266                 // If output mode is set to DVI and EDID is ok, check
 267                 // the output timing.
 268
 269                 if(hdmi->edid.sink_hdmi == 0 && specs && specs->modedb_len) {
 270                         /* Get max resolution timing */
 271                         modedb = &specs->modedb[0];
 272                         for (i = 0; i < specs->modedb_len; i++) {
 273                                 if(specs->modedb[i].xres > modedb->xres)
 274                                         modedb = &specs->modedb[i];
 275                                 else if(specs->modedb[i].yres > modedb->yres)
 276                                         modedb = &specs->modedb[i];
 277                         }
 278                         // For some monitor, the max pixclock read from EDID is smaller
 279                         // than the clock of max resolution mode supported. We fix it.
 280                         pixclock = PICOS2KHZ(modedb->pixclock);
 281                         pixclock /= 250;
 282                         pixclock *= 250;
 283                         pixclock *= 1000;
 284                         if(pixclock == 148250000)
 285                                 pixclock = 148500000;
 286                         if(pixclock > specs->dclkmax)
 287                                 specs->dclkmax = pixclock;
 288                 }
 289
 290                 for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 291                         if(modedb) {
 292                                 if( (hdmi_mode[i].pixclock < specs->dclkmin) ||
 293                                         (hdmi_mode[i].pixclock > specs->dclkmax) ||
 294                                         (hdmi_mode[i].refresh < specs->vfmin) ||
 295                                         (hdmi_mode[i].refresh > specs->vfmax) ||
 296                                         (hdmi_mode[i].xres > modedb->xres) ||
 297                                         (hdmi_mode[i].yres > modedb->yres) )
 298                                 continue;
 299                         }
 300                         hdmi_add_videomode(&hdmi_mode[i], head);
 301                 }
 302         }
 303
 304         #ifdef HDMI_DEBUG
 305         hdmi_show_sink_info(hdmi);
 306         #endif
 307         return HDMI_ERROR_SUCESS;
 308 }
 309 /**
 310  * hdmi_videomode_compare - compare 2 videomodes
 311  * @mode1: first videomode
 312  * @mode2: second videomode
 313  *
 314  * RETURNS:
 315  * 1 if mode1 > mode2, 0 if mode1 = mode2, -1 mode1 < mode2
 316  */
 317 static int hdmi_videomode_compare(const struct fb_videomode *mode1,
 318                      const struct fb_videomode *mode2)
 319 {
 320         if(mode1->xres > mode2->xres)
 321                 return 1;
 322         else if(mode1->xres == mode2->xres)
 323         {
 324                 if(mode1->yres > mode2->yres)
 325                         return 1;
 326                 else if(mode1->yres == mode2->yres)
 327                 {
 328                         if(mode1->pixclock > mode2->pixclock)
 329                                 return 1;
 330                         else if(mode1->pixclock == mode2->pixclock)
 331                         {
 332                                 if(mode1->refresh > mode2->refresh)
 333                                         return 1;
 334                                 else if(mode1->refresh == mode2->refresh)
 335                                         return 0;
 336                         }
 337                 }
 338         }
 339         return -1;
 340 }
 341 /**
 342  * hdmi_add_videomode: adds videomode entry to modelist
 343  * @mode: videomode to add
 344  * @head: struct list_head of modelist
 345  *
 346  * NOTES:
 347  * Will only add unmatched mode entries
 348  */
 349 int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 350 {
 351         struct list_head *pos;
 352         struct fb_modelist *modelist, *modelist_new;
 353         struct fb_videomode *m;
 354         int i, found = 0;
 355
 356         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 357     {
 358         m =(struct fb_videomode*) &hdmi_mode[i];
 359         if (fb_mode_is_equal(m, mode)) {
 360                         found = 1;
 361                         break;
 362                 }
 363     }
 364
 365         if (found) {
 366                 list_for_each(pos, head) {
 367                         modelist = list_entry(pos, struct fb_modelist, list);
 368                         m = &modelist->mode;
 369                         if (fb_mode_is_equal(m, mode)) {
 370                         // m == mode
 371                                 return 0;
 372                         }
 373                         else
 374                         {
 375                                 if(hdmi_videomode_compare(m, mode) == -1) {
 376                                         break;
 377                                 }
 378                         }
 379                 }
 380
 381                 modelist_new = kmalloc(sizeof(struct fb_modelist),
 382                                   GFP_KERNEL);
 383                 if (!modelist_new)
 384                         return -ENOMEM;
 385                 modelist_new->mode = hdmi_mode[i];
 386                 list_add_tail(&modelist_new->list, pos);
 387         }
 388
 389         return 0;
 390 }
 391
 392 /**
 393  * hdmi_videomode_to_vic: transverse video mode to vic
 394  * @vmode: videomode to transverse
 395  *
 396  */
 397 int hdmi_videomode_to_vic(struct fb_videomode *vmode)
 398 {
 399         unsigned char vic = 0;
 400         int i = 0;
 401
 402         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 403         {
 404                 if(     vmode->vmode == hdmi_mode[i].vmode &&
 405                         vmode->refresh == hdmi_mode[i].refresh &&
 406                         vmode->xres == hdmi_mode[i].xres &&
 407                         vmode->left_margin == hdmi_mode[i].left_margin &&
 408                         vmode->right_margin == hdmi_mode[i].right_margin &&
 409                         vmode->upper_margin == hdmi_mode[i].upper_margin &&
 410                         vmode->lower_margin == hdmi_mode[i].lower_margin &&
 411                         vmode->hsync_len == hdmi_mode[i].hsync_len &&
 412                         vmode->vsync_len == hdmi_mode[i].vsync_len)
 413                 {
 414                         if( (vmode->vmode == FB_VMODE_NONINTERLACED && vmode->yres == hdmi_mode[i].yres) ||
 415                                 (vmode->vmode == FB_VMODE_INTERLACED && vmode->yres == hdmi_mode[i].yres/2))
 416                         {
 417                                 vic = hdmi_mode[i].flag;
 418                                 break;
 419                         }
 420                 }
 421         }
 422         return vic;
 423 }
 424
 425 /**
 426  * hdmi_vic_to_videomode: transverse vic mode to video mode
 427  * @vmode: vic to transverse
 428  *
 429  */
 430 const struct fb_videomode* hdmi_vic_to_videomode(int vic)
 431 {
 432         int i;
 433
 434         if(vic == 0)
 435                 return NULL;
 436
 437         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 438         {
 439                 if(hdmi_mode[i].flag == vic)
 440                         return &hdmi_mode[i];
 441         }
 442         return NULL;
 443 }
 444
 445 /**
 446  * hdmi_find_best_mode: find the video mode nearest to input vic
 447  * @hdmi:
 448  * @vic: input vic
 449  *
 450  * NOTES:
 451  * If vic is zero, return the high resolution video mode vic.
 452  */
 453 int hdmi_find_best_mode(struct hdmi* hdmi, int vic)
 454 {
 455         struct list_head *pos, *head = &hdmi->edid.modelist;
 456         struct fb_modelist *modelist;
 457         struct fb_videomode *m = NULL;
 458         int found = 0;
 459
 460         if(vic)
 461         {
 462                 list_for_each(pos, head) {
 463                         modelist = list_entry(pos, struct fb_modelist, list);
 464                         m = &modelist->mode;
 465                         if(m->flag == vic)
 466                         {
 467                                 found = 1;
 468                                 break;
 469                         }
 470                 }
 471         }
 472         if( (vic == 0 || found == 0) && head->next != head)
 473         {
 474                 modelist = list_entry(head->next, struct fb_modelist, list);
 475                 m = &modelist->mode;
 476         }
 477         if(m != NULL)
 478                 return m->flag;
 479         else
 480                 return 0;
 481 }
 482
 483 const char *hdmi_get_video_mode_name(unsigned char vic)
 484 {
 485         int i;
 486
 487         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 488         {
 489                 if(vic == hdmi_mode[i].flag)
 490                         break;
 491         }
 492         if(i == ARRAY_SIZE(hdmi_mode))
 493                 return NULL;
 494         else
 495                 return hdmi_mode[i].name;
 496 }
 497
 498 /**
 499  * hdmi_switch_fb: switch lcdc mode to required video mode
 500  * @hdmi:
 501  * @type:
 502  *
 503  * NOTES:
 504  *
 505  */
 506 int hdmi_switch_fb(struct hdmi *hdmi, int vic)
 507 {
 508         int rc = 0;
 509         struct rk_screen *screen;
 510
 511
 512         screen =  kzalloc(sizeof(struct rk_screen), GFP_KERNEL);
 513         if(screen == NULL)
 514                 return -1;
 515
 516         if(hdmi->vic == 0)
 517                 hdmi->vic = HDMI_VIDEO_DEFAULT_MODE;
 518
 519
 520         rc = hdmi_set_info(screen, hdmi->vic);
 521
 522         if(rc == 0) {
 523                 if(hdmi->set_vif)
 524                         hdmi->set_vif(hdmi,screen,0); //turn off vif for jettab
 525                 rk_fb_switch_screen(screen, 1, hdmi->lcdc->id);
 526                 rk_fb_disp_scale(hdmi->xscale, hdmi->yscale, hdmi->lcdc->id);
 527                 if(hdmi->set_vif)
 528                         hdmi->set_vif(hdmi,screen,1);
 529
 530         }
 531
 532         kfree(screen);
 533
 534         return rc;
 535 }
 536
 537 /**
 538  * hdmi_drv_register: init hdmi_drv variable
 539  *
 540  * NOTES:
 541  *
 542  */
 543 int hdmi_drv_register(struct hdmi *hdmi_drv)
 544 {
 545         m_hdmi_drv = hdmi_drv;
 546         return 0;
 547 }
 548
 549 /**
 550  * hdmi_get_status: get hdmi hotplug status
 551  *
 552  * NOTES:
 553  *
 554  */
 555 int hdmi_get_hotplug(void)
 556 {
 557         if(m_hdmi_drv)
 558                 return m_hdmi_drv->hotplug;
 559         else
 560                 return HDMI_HPD_REMOVED;
 561 }