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@24Hz",      24,             3840,   2160,   297000000,      296,    1276,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              93      },
  64 {       "3840x2160p@25Hz",      25,             3840,   2160,   297000000,      296,    1056,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              94      },
  65 {       "3840x2160p@30Hz",      30,             3840,   2160,   297000000,      296,    176,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              95      },
  66 {       "4096x2160p@24Hz",      24,             4096,   2160,   297000000,      296,    1020,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              98      },
  67
  68 };
  69
  70 void hdmi_init_lcdc(struct rk_screen *screen, struct rk29lcd_info *lcd_info)
  71 {
  72         hdmi_set_info(screen, HDMI_VIDEO_DEFAULT_MODE);
  73 }
  74
  75 int hdmi_set_info(struct rk_screen *screen, unsigned int vic)
  76 {
  77     int i;
  78
  79     if(screen == NULL)
  80         return -1;
  81
  82     if(vic == 0)
  83         vic = HDMI_VIDEO_DEFAULT_MODE;
  84
  85     for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
  86     {
  87         if(hdmi_mode[i].flag == vic)
  88                 break;
  89     }
  90     if(i == ARRAY_SIZE(hdmi_mode))
  91         return -1;
  92
  93     memset(screen, 0, sizeof(struct rk_screen));
  94
  95     /* screen type & face */
  96     screen->type = OUT_TYPE;
  97     screen->face = OUT_FACE;
  98
  99     /* Screen size */
 100     screen->mode.xres = hdmi_mode[i].xres;
 101     screen->mode.yres = hdmi_mode[i].yres;
 102
 103     /* Timing */
 104     screen->mode.pixclock = hdmi_mode[i].pixclock;
 105     screen->mode.refresh = hdmi_mode[i].refresh;
 106         //screen->lcdc_aclk = LCD_ACLK;
 107         screen->mode.left_margin = hdmi_mode[i].left_margin;
 108         screen->mode.right_margin = hdmi_mode[i].right_margin;
 109         screen->mode.hsync_len = hdmi_mode[i].hsync_len;
 110         screen->mode.upper_margin = hdmi_mode[i].upper_margin;
 111         screen->mode.lower_margin = hdmi_mode[i].lower_margin;
 112         screen->mode.vsync_len = hdmi_mode[i].vsync_len;
 113         screen->hdmi_resolution = hdmi_mode[i].flag;
 114
 115         /* Pin polarity */
 116 #if defined(CONFIG_HDMI_RK616) && !defined(CONFIG_ARCH_RK3026)
 117         screen->pin_hsync = 0;
 118         screen->pin_vsync = 0;
 119 #else
 120         screen->pin_hsync = 0;
 121         if(FB_SYNC_HOR_HIGH_ACT & hdmi_mode[i].sync)
 122                 screen->pin_hsync = 1;
 123         else
 124                 screen->pin_hsync = 0;
 125         if(FB_SYNC_VERT_HIGH_ACT & hdmi_mode[i].sync)
 126                 screen->pin_vsync = 1;
 127         else
 128                 screen->pin_vsync = 0;
 129 #endif
 130         screen->pin_den = 0;
 131         screen->pin_dclk = DCLK_POL;
 132
 133         /* Swap rule */
 134     screen->swap_rb = SWAP_RB;
 135     screen->swap_rg = 0;
 136     screen->swap_gb = 0;
 137     screen->swap_delta = 0;
 138     screen->swap_dumy = 0;
 139
 140     /* Operation function*/
 141     screen->init = NULL;
 142     screen->standby = NULL;
 143
 144     return 0;
 145 }
 146
 147 static void hdmi_show_sink_info(struct hdmi *hdmi)
 148 {
 149         struct list_head *pos, *head = &hdmi->edid.modelist;
 150         struct fb_modelist *modelist;
 151         struct fb_videomode *m;
 152         int i;
 153         struct hdmi_audio *audio;
 154
 155         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 156         hdmi_dbg(hdmi->dev, "Support video mode: \n");
 157         list_for_each(pos, head) {
 158                 modelist = list_entry(pos, struct fb_modelist, list);
 159                 m = &modelist->mode;
 160                 hdmi_dbg(hdmi->dev, "   %s.\n", m->name);
 161         }
 162
 163         for(i = 0; i < hdmi->edid.audio_num; i++)
 164         {
 165                 audio = &(hdmi->edid.audio[i]);
 166                 switch(audio->type)
 167                 {
 168                         case HDMI_AUDIO_LPCM:
 169                                 hdmi_dbg(hdmi->dev, "Support audio type: LPCM\n");
 170                                 break;
 171                         case HDMI_AUDIO_AC3:
 172                                 hdmi_dbg(hdmi->dev, "Support audio type: AC3\n");
 173                                 break;
 174                         case HDMI_AUDIO_MPEG1:
 175                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG1\n");
 176                                 break;
 177                         case HDMI_AUDIO_MP3:
 178                                 hdmi_dbg(hdmi->dev, "Support audio type: MP3\n");
 179                                 break;
 180                         case HDMI_AUDIO_MPEG2:
 181                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG2\n");
 182                                 break;
 183                         case HDMI_AUDIO_AAC_LC:
 184                                 hdmi_dbg(hdmi->dev, "Support audio type: AAC\n");
 185                                 break;
 186                         case HDMI_AUDIO_DTS:
 187                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS\n");
 188                                 break;
 189                         case HDMI_AUDIO_ATARC:
 190                                 hdmi_dbg(hdmi->dev, "Support audio type: ATARC\n");
 191                                 break;
 192                         case HDMI_AUDIO_DSD:
 193                                 hdmi_dbg(hdmi->dev, "Support audio type: DSD\n");
 194                                 break;
 195                         case HDMI_AUDIO_E_AC3:
 196                                 hdmi_dbg(hdmi->dev, "Support audio type: E-AC3\n");
 197                                 break;
 198                         case HDMI_AUDIO_DTS_HD:
 199                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS-HD\n");
 200                                 break;
 201                         case HDMI_AUDIO_MLP:
 202                                 hdmi_dbg(hdmi->dev, "Support audio type: MLP\n");
 203                                 break;
 204                         case HDMI_AUDIO_DST:
 205                                 hdmi_dbg(hdmi->dev, "Support audio type: DST\n");
 206                                 break;
 207                         case HDMI_AUDIO_WMA_PRO:
 208                                 hdmi_dbg(hdmi->dev, "Support audio type: WMP-PRO\n");
 209                                 break;
 210                         default:
 211                                 hdmi_dbg(hdmi->dev, "Support audio type: Unkown\n");
 212                                 break;
 213                 }
 214
 215                 hdmi_dbg(hdmi->dev, "Support audio sample rate: \n");
 216                 if(audio->rate & HDMI_AUDIO_FS_32000)
 217                         hdmi_dbg(hdmi->dev, "   32000\n");
 218                 if(audio->rate & HDMI_AUDIO_FS_44100)
 219                         hdmi_dbg(hdmi->dev, "   44100\n");
 220                 if(audio->rate & HDMI_AUDIO_FS_48000)
 221                         hdmi_dbg(hdmi->dev, "   48000\n");
 222                 if(audio->rate & HDMI_AUDIO_FS_88200)
 223                         hdmi_dbg(hdmi->dev, "   88200\n");
 224                 if(audio->rate & HDMI_AUDIO_FS_96000)
 225                         hdmi_dbg(hdmi->dev, "   96000\n");
 226                 if(audio->rate & HDMI_AUDIO_FS_176400)
 227                         hdmi_dbg(hdmi->dev, "   176400\n");
 228                 if(audio->rate & HDMI_AUDIO_FS_192000)
 229                         hdmi_dbg(hdmi->dev, "   192000\n");
 230
 231                 hdmi_dbg(hdmi->dev, "Support audio word lenght: \n");
 232                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_16bit)
 233                         hdmi_dbg(hdmi->dev, "   16bit\n");
 234                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_20bit)
 235                         hdmi_dbg(hdmi->dev, "   20bit\n");
 236                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_24bit)
 237                         hdmi_dbg(hdmi->dev, "   24bit\n");
 238         }
 239         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 240 }
 241
 242 /**
 243  * hdmi_ouputmode_select - select hdmi transmitter output mode: hdmi or dvi?
 244  * @hdmi: handle of hdmi
 245  * @edid_ok: get EDID data success or not, HDMI_ERROR_SUCESS means success.
 246  */
 247 int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
 248 {
 249         struct list_head *head = &hdmi->edid.modelist;
 250         struct fb_monspecs      *specs = hdmi->edid.specs;
 251         struct fb_videomode *modedb = NULL;
 252         int i, pixclock;
 253
 254         if(edid_ok != HDMI_ERROR_SUCESS) {
 255                 dev_err(hdmi->dev, "warning: EDID error, assume sink as HDMI and asume minitor support audio output!!!!");
 256                 hdmi->edid.sink_hdmi = 1;
 257                 //if edid error,asume monitor support audio output.
 258                 hdmi->edid.base_audio_support = 1;
 259         }
 260
 261         if(edid_ok != HDMI_ERROR_SUCESS) {
 262                 hdmi->edid.ycbcr444 = 0;
 263                 hdmi->edid.ycbcr422 = 0;
 264                 hdmi->autoconfig = HDMI_DISABLE;
 265         }
 266         if(head->next == head) {
 267                 dev_info(hdmi->dev, "warning: no CEA video mode parsed from EDID !!!!");
 268                 // If EDID get error, list all system supported mode.
 269                 // If output mode is set to DVI and EDID is ok, check
 270                 // the output timing.
 271
 272                 if(hdmi->edid.sink_hdmi == 0 && specs && specs->modedb_len) {
 273                         /* Get max resolution timing */
 274                         modedb = &specs->modedb[0];
 275                         for (i = 0; i < specs->modedb_len; i++) {
 276                                 if(specs->modedb[i].xres > modedb->xres)
 277                                         modedb = &specs->modedb[i];
 278                                 else if(specs->modedb[i].yres > modedb->yres)
 279                                         modedb = &specs->modedb[i];
 280                         }
 281                         // For some monitor, the max pixclock read from EDID is smaller
 282                         // than the clock of max resolution mode supported. We fix it.
 283                         pixclock = PICOS2KHZ(modedb->pixclock);
 284                         pixclock /= 250;
 285                         pixclock *= 250;
 286                         pixclock *= 1000;
 287                         if(pixclock == 148250000)
 288                                 pixclock = 148500000;
 289                         if(pixclock > specs->dclkmax)
 290                                 specs->dclkmax = pixclock;
 291                 }
 292
 293                 for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 294                         if(modedb) {
 295                                 if( (hdmi_mode[i].pixclock < specs->dclkmin) ||
 296                                         (hdmi_mode[i].pixclock > specs->dclkmax) ||
 297                                         (hdmi_mode[i].refresh < specs->vfmin) ||
 298                                         (hdmi_mode[i].refresh > specs->vfmax) ||
 299                                         (hdmi_mode[i].xres > modedb->xres) ||
 300                                         (hdmi_mode[i].yres > modedb->yres) )
 301                                 continue;
 302                         }
 303                         hdmi_add_videomode(&hdmi_mode[i], head);
 304                 }
 305         }
 306
 307         #ifdef HDMI_DEBUG
 308         hdmi_show_sink_info(hdmi);
 309         #endif
 310         return HDMI_ERROR_SUCESS;
 311 }
 312 /**
 313  * hdmi_videomode_compare - compare 2 videomodes
 314  * @mode1: first videomode
 315  * @mode2: second videomode
 316  *
 317  * RETURNS:
 318  * 1 if mode1 > mode2, 0 if mode1 = mode2, -1 mode1 < mode2
 319  */
 320 static int hdmi_videomode_compare(const struct fb_videomode *mode1,
 321                      const struct fb_videomode *mode2)
 322 {
 323         if(mode1->xres > mode2->xres)
 324                 return 1;
 325         else if(mode1->xres == mode2->xres)
 326         {
 327                 if(mode1->yres > mode2->yres)
 328                         return 1;
 329                 else if(mode1->yres == mode2->yres)
 330                 {
 331                         if(mode1->pixclock > mode2->pixclock)
 332                                 return 1;
 333                         else if(mode1->pixclock == mode2->pixclock)
 334                         {
 335                                 if(mode1->refresh > mode2->refresh)
 336                                         return 1;
 337                                 else if(mode1->refresh == mode2->refresh)
 338                                         return 0;
 339                         }
 340                 }
 341         }
 342         return -1;
 343 }
 344 /**
 345  * hdmi_add_videomode: adds videomode entry to modelist
 346  * @mode: videomode to add
 347  * @head: struct list_head of modelist
 348  *
 349  * NOTES:
 350  * Will only add unmatched mode entries
 351  */
 352 int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 353 {
 354         struct list_head *pos;
 355         struct fb_modelist *modelist, *modelist_new;
 356         struct fb_videomode *m;
 357         int i, found = 0;
 358
 359         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 360     {
 361         m =(struct fb_videomode*) &hdmi_mode[i];
 362         if (fb_mode_is_equal(m, mode)) {
 363                         found = 1;
 364                         break;
 365                 }
 366     }
 367
 368         if (found) {
 369                 list_for_each(pos, head) {
 370                         modelist = list_entry(pos, struct fb_modelist, list);
 371                         m = &modelist->mode;
 372                         if (fb_mode_is_equal(m, mode)) {
 373                         // m == mode
 374                                 return 0;
 375                         }
 376                         else
 377                         {
 378                                 if(hdmi_videomode_compare(m, mode) == -1) {
 379                                         break;
 380                                 }
 381                         }
 382                 }
 383
 384                 modelist_new = kmalloc(sizeof(struct fb_modelist),
 385                                   GFP_KERNEL);
 386                 if (!modelist_new)
 387                         return -ENOMEM;
 388                 modelist_new->mode = hdmi_mode[i];
 389                 list_add_tail(&modelist_new->list, pos);
 390         }
 391
 392         return 0;
 393 }
 394
 395 /**
 396  * hdmi_videomode_to_vic: transverse video mode to vic
 397  * @vmode: videomode to transverse
 398  *
 399  */
 400 int hdmi_videomode_to_vic(struct fb_videomode *vmode)
 401 {
 402         unsigned char vic = 0;
 403         int i = 0;
 404
 405         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 406         {
 407                 if(     vmode->vmode == hdmi_mode[i].vmode &&
 408                         vmode->refresh == hdmi_mode[i].refresh &&
 409                         vmode->xres == hdmi_mode[i].xres &&
 410                         vmode->left_margin == hdmi_mode[i].left_margin &&
 411                         vmode->right_margin == hdmi_mode[i].right_margin &&
 412                         vmode->upper_margin == hdmi_mode[i].upper_margin &&
 413                         vmode->lower_margin == hdmi_mode[i].lower_margin &&
 414                         vmode->hsync_len == hdmi_mode[i].hsync_len &&
 415                         vmode->vsync_len == hdmi_mode[i].vsync_len)
 416                 {
 417                         if( (vmode->vmode == FB_VMODE_NONINTERLACED && vmode->yres == hdmi_mode[i].yres) ||
 418                                 (vmode->vmode == FB_VMODE_INTERLACED && vmode->yres == hdmi_mode[i].yres/2))
 419                         {
 420                                 vic = hdmi_mode[i].flag;
 421                                 break;
 422                         }
 423                 }
 424         }
 425         return vic;
 426 }
 427
 428 /**
 429  * hdmi_vic_to_videomode: transverse vic mode to video mode
 430  * @vmode: vic to transverse
 431  *
 432  */
 433 const struct fb_videomode* hdmi_vic_to_videomode(int vic)
 434 {
 435         int i;
 436
 437         if(vic == 0)
 438                 return NULL;
 439
 440         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 441         {
 442                 if(hdmi_mode[i].flag == vic)
 443                         return &hdmi_mode[i];
 444         }
 445         return NULL;
 446 }
 447
 448 /**
 449  * hdmi_find_best_mode: find the video mode nearest to input vic
 450  * @hdmi:
 451  * @vic: input vic
 452  *
 453  * NOTES:
 454  * If vic is zero, return the high resolution video mode vic.
 455  */
 456 int hdmi_find_best_mode(struct hdmi* hdmi, int vic)
 457 {
 458         struct list_head *pos, *head = &hdmi->edid.modelist;
 459         struct fb_modelist *modelist;
 460         struct fb_videomode *m = NULL;
 461         int found = 0;
 462
 463         if(vic)
 464         {
 465                 list_for_each(pos, head) {
 466                         modelist = list_entry(pos, struct fb_modelist, list);
 467                         m = &modelist->mode;
 468                         if(m->flag == vic)
 469                         {
 470                                 found = 1;
 471                                 break;
 472                         }
 473                 }
 474         }
 475         if( (vic == 0 || found == 0) && head->next != head)
 476         {
 477                 modelist = list_entry(head->next, struct fb_modelist, list);
 478                 m = &modelist->mode;
 479         }
 480         if(m != NULL)
 481                 return m->flag;
 482         else
 483                 return 0;
 484 }
 485
 486 const char *hdmi_get_video_mode_name(unsigned char vic)
 487 {
 488         int i;
 489
 490         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 491         {
 492                 if(vic == hdmi_mode[i].flag)
 493                         break;
 494         }
 495         if(i == ARRAY_SIZE(hdmi_mode))
 496                 return NULL;
 497         else
 498                 return hdmi_mode[i].name;
 499 }
 500
 501 /**
 502  * hdmi_switch_fb: switch lcdc mode to required video mode
 503  * @hdmi:
 504  * @type:
 505  *
 506  * NOTES:
 507  *
 508  */
 509 int hdmi_switch_fb(struct hdmi *hdmi, int vic)
 510 {
 511         int rc = 0;
 512         struct rk_screen *screen;
 513
 514
 515         screen =  kzalloc(sizeof(struct rk_screen), GFP_KERNEL);
 516         if(screen == NULL)
 517                 return -1;
 518
 519         if(hdmi->vic == 0)
 520                 hdmi->vic = HDMI_VIDEO_DEFAULT_MODE;
 521
 522
 523         rc = hdmi_set_info(screen, hdmi->vic);
 524
 525         if(rc == 0) {
 526                 if(hdmi->set_vif)
 527                         hdmi->set_vif(hdmi,screen,0); //turn off vif for jettab
 528                 rk_fb_switch_screen(screen, 1, hdmi->lcdc->id);
 529                 rk_fb_disp_scale(hdmi->xscale, hdmi->yscale, hdmi->lcdc->id);
 530                 if(hdmi->set_vif)
 531                         hdmi->set_vif(hdmi,screen,1);
 532
 533         }
 534
 535         kfree(screen);
 536
 537         return rc;
 538 }
 539
 540 /**
 541  * hdmi_drv_register: init hdmi_drv variable
 542  *
 543  * NOTES:
 544  *
 545  */
 546 int hdmi_drv_register(struct hdmi *hdmi_drv)
 547 {
 548         m_hdmi_drv = hdmi_drv;
 549         return 0;
 550 }
 551
 552 /**
 553  * hdmi_get_status: get hdmi hotplug status
 554  *
 555  * NOTES:
 556  *
 557  */
 558 int hdmi_get_hotplug(void)
 559 {
 560         if(m_hdmi_drv)
 561                 return m_hdmi_drv->hotplug;
 562         else
 563                 return HDMI_HPD_REMOVED;
 564 }