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 {       "3840x2160p@50Hz",      50,             3840,   2160,   594000000,      296,    1056,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              96      },
  67 {       "3840x2160p@60Hz",      60,             3840,   2160,   594000000,      296,    176,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              97      },
  68 {       "4096x2160p@24Hz",      24,             4096,   2160,   297000000,      296,    1020,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              98      },
  69 {       "4096x2160p@25Hz",      25,             4096,   2160,   297000000,      128,    968,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              99      },
  70 {       "4096x2160p@30Hz",      30,             4096,   2160,   297000000,      128,    88,     72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              100     },
  71 {       "4096x2160p@50Hz",      50,             4096,   2160,   594000000,      128,    968,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              101     },
  72 {       "4096x2160p@60Hz",      60,             4096,   2160,   594000000,      128,    88,     72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,                   0,              102     },
  73
  74 };
  75
  76 void hdmi_init_lcdc(struct rk_screen *screen, struct rk29lcd_info *lcd_info)
  77 {
  78         hdmi_set_info(screen, HDMI_VIDEO_DEFAULT_MODE);
  79 }
  80
  81 int hdmi_set_info(struct rk_screen *screen, unsigned int vic)
  82 {
  83     int i;
  84
  85     if(screen == NULL)
  86         return -1;
  87
  88     if(vic == 0)
  89         vic = HDMI_VIDEO_DEFAULT_MODE;
  90
  91     for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
  92     {
  93         if(hdmi_mode[i].flag == vic)
  94                 break;
  95     }
  96     if(i == ARRAY_SIZE(hdmi_mode))
  97         return -1;
  98
  99     memset(screen, 0, sizeof(struct rk_screen));
 100
 101     /* screen type & face */
 102     screen->type = OUT_TYPE;
 103     screen->face = OUT_FACE;
 104
 105     /* Screen size */
 106     screen->mode.xres = hdmi_mode[i].xres;
 107     screen->mode.yres = hdmi_mode[i].yres;
 108
 109     /* Timing */
 110     screen->mode.pixclock = hdmi_mode[i].pixclock;
 111     screen->mode.refresh = hdmi_mode[i].refresh;
 112         //screen->lcdc_aclk = LCD_ACLK;
 113         screen->mode.left_margin = hdmi_mode[i].left_margin;
 114         screen->mode.right_margin = hdmi_mode[i].right_margin;
 115         screen->mode.hsync_len = hdmi_mode[i].hsync_len;
 116         screen->mode.upper_margin = hdmi_mode[i].upper_margin;
 117         screen->mode.lower_margin = hdmi_mode[i].lower_margin;
 118         screen->mode.vsync_len = hdmi_mode[i].vsync_len;
 119         screen->hdmi_resolution = hdmi_mode[i].flag;
 120
 121         /* Pin polarity */
 122 #if defined(CONFIG_HDMI_RK616) && !defined(CONFIG_ARCH_RK3026)
 123         screen->pin_hsync = 0;
 124         screen->pin_vsync = 0;
 125 #else
 126         screen->pin_hsync = 0;
 127         if(FB_SYNC_HOR_HIGH_ACT & hdmi_mode[i].sync)
 128                 screen->pin_hsync = 1;
 129         else
 130                 screen->pin_hsync = 0;
 131         if(FB_SYNC_VERT_HIGH_ACT & hdmi_mode[i].sync)
 132                 screen->pin_vsync = 1;
 133         else
 134                 screen->pin_vsync = 0;
 135 #endif
 136         screen->pin_den = 0;
 137         screen->pin_dclk = DCLK_POL;
 138
 139         /* Swap rule */
 140     screen->swap_rb = SWAP_RB;
 141     screen->swap_rg = 0;
 142     screen->swap_gb = 0;
 143     screen->swap_delta = 0;
 144     screen->swap_dumy = 0;
 145
 146     /* Operation function*/
 147     screen->init = NULL;
 148     screen->standby = NULL;
 149
 150         /*Init Default Overscan Value: TODO modify the value according to your need adjust value*/
 151         screen->overscan.left = 96;
 152         screen->overscan.top = 96;
 153         screen->overscan.right = 96;
 154         screen->overscan.bottom = 96;
 155
 156     return 0;
 157 }
 158
 159 static void hdmi_show_sink_info(struct hdmi *hdmi)
 160 {
 161         struct list_head *pos, *head = &hdmi->edid.modelist;
 162         struct fb_modelist *modelist;
 163         struct fb_videomode *m;
 164         int i;
 165         struct hdmi_audio *audio;
 166
 167         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 168         hdmi_dbg(hdmi->dev, "Support video mode: \n");
 169         list_for_each(pos, head) {
 170                 modelist = list_entry(pos, struct fb_modelist, list);
 171                 m = &modelist->mode;
 172                 hdmi_dbg(hdmi->dev, "   %s.\n", m->name);
 173         }
 174
 175         for(i = 0; i < hdmi->edid.audio_num; i++)
 176         {
 177                 audio = &(hdmi->edid.audio[i]);
 178                 switch(audio->type)
 179                 {
 180                         case HDMI_AUDIO_LPCM:
 181                                 hdmi_dbg(hdmi->dev, "Support audio type: LPCM\n");
 182                                 break;
 183                         case HDMI_AUDIO_AC3:
 184                                 hdmi_dbg(hdmi->dev, "Support audio type: AC3\n");
 185                                 break;
 186                         case HDMI_AUDIO_MPEG1:
 187                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG1\n");
 188                                 break;
 189                         case HDMI_AUDIO_MP3:
 190                                 hdmi_dbg(hdmi->dev, "Support audio type: MP3\n");
 191                                 break;
 192                         case HDMI_AUDIO_MPEG2:
 193                                 hdmi_dbg(hdmi->dev, "Support audio type: MPEG2\n");
 194                                 break;
 195                         case HDMI_AUDIO_AAC_LC:
 196                                 hdmi_dbg(hdmi->dev, "Support audio type: AAC\n");
 197                                 break;
 198                         case HDMI_AUDIO_DTS:
 199                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS\n");
 200                                 break;
 201                         case HDMI_AUDIO_ATARC:
 202                                 hdmi_dbg(hdmi->dev, "Support audio type: ATARC\n");
 203                                 break;
 204                         case HDMI_AUDIO_DSD:
 205                                 hdmi_dbg(hdmi->dev, "Support audio type: DSD\n");
 206                                 break;
 207                         case HDMI_AUDIO_E_AC3:
 208                                 hdmi_dbg(hdmi->dev, "Support audio type: E-AC3\n");
 209                                 break;
 210                         case HDMI_AUDIO_DTS_HD:
 211                                 hdmi_dbg(hdmi->dev, "Support audio type: DTS-HD\n");
 212                                 break;
 213                         case HDMI_AUDIO_MLP:
 214                                 hdmi_dbg(hdmi->dev, "Support audio type: MLP\n");
 215                                 break;
 216                         case HDMI_AUDIO_DST:
 217                                 hdmi_dbg(hdmi->dev, "Support audio type: DST\n");
 218                                 break;
 219                         case HDMI_AUDIO_WMA_PRO:
 220                                 hdmi_dbg(hdmi->dev, "Support audio type: WMP-PRO\n");
 221                                 break;
 222                         default:
 223                                 hdmi_dbg(hdmi->dev, "Support audio type: Unkown\n");
 224                                 break;
 225                 }
 226
 227                 hdmi_dbg(hdmi->dev, "Support audio sample rate: \n");
 228                 if(audio->rate & HDMI_AUDIO_FS_32000)
 229                         hdmi_dbg(hdmi->dev, "   32000\n");
 230                 if(audio->rate & HDMI_AUDIO_FS_44100)
 231                         hdmi_dbg(hdmi->dev, "   44100\n");
 232                 if(audio->rate & HDMI_AUDIO_FS_48000)
 233                         hdmi_dbg(hdmi->dev, "   48000\n");
 234                 if(audio->rate & HDMI_AUDIO_FS_88200)
 235                         hdmi_dbg(hdmi->dev, "   88200\n");
 236                 if(audio->rate & HDMI_AUDIO_FS_96000)
 237                         hdmi_dbg(hdmi->dev, "   96000\n");
 238                 if(audio->rate & HDMI_AUDIO_FS_176400)
 239                         hdmi_dbg(hdmi->dev, "   176400\n");
 240                 if(audio->rate & HDMI_AUDIO_FS_192000)
 241                         hdmi_dbg(hdmi->dev, "   192000\n");
 242
 243                 hdmi_dbg(hdmi->dev, "Support audio word lenght: \n");
 244                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_16bit)
 245                         hdmi_dbg(hdmi->dev, "   16bit\n");
 246                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_20bit)
 247                         hdmi_dbg(hdmi->dev, "   20bit\n");
 248                 if(audio->rate & HDMI_AUDIO_WORD_LENGTH_24bit)
 249                         hdmi_dbg(hdmi->dev, "   24bit\n");
 250         }
 251         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 252 }
 253
 254 /**
 255  * hdmi_ouputmode_select - select hdmi transmitter output mode: hdmi or dvi?
 256  * @hdmi: handle of hdmi
 257  * @edid_ok: get EDID data success or not, HDMI_ERROR_SUCESS means success.
 258  */
 259 int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
 260 {
 261         struct list_head *head = &hdmi->edid.modelist;
 262         struct fb_monspecs      *specs = hdmi->edid.specs;
 263         struct fb_videomode *modedb = NULL;
 264         int i, pixclock;
 265
 266         if(edid_ok != HDMI_ERROR_SUCESS) {
 267                 dev_err(hdmi->dev, "warning: EDID error, assume sink as HDMI and asume minitor support audio output!!!!");
 268                 hdmi->edid.sink_hdmi = 1;
 269                 //if edid error,asume monitor support audio output.
 270                 hdmi->edid.base_audio_support = 1;
 271         }
 272
 273         if(edid_ok != HDMI_ERROR_SUCESS) {
 274                 hdmi->edid.ycbcr444 = 0;
 275                 hdmi->edid.ycbcr422 = 0;
 276                 hdmi->autoconfig = HDMI_DISABLE;
 277         }
 278         if(head->next == head) {
 279                 dev_info(hdmi->dev, "warning: no CEA video mode parsed from EDID !!!!");
 280                 // If EDID get error, list all system supported mode.
 281                 // If output mode is set to DVI and EDID is ok, check
 282                 // the output timing.
 283
 284                 if(hdmi->edid.sink_hdmi == 0 && specs && specs->modedb_len) {
 285                         /* Get max resolution timing */
 286                         modedb = &specs->modedb[0];
 287                         for (i = 0; i < specs->modedb_len; i++) {
 288                                 if(specs->modedb[i].xres > modedb->xres)
 289                                         modedb = &specs->modedb[i];
 290                                 else if(specs->modedb[i].yres > modedb->yres)
 291                                         modedb = &specs->modedb[i];
 292                         }
 293                         // For some monitor, the max pixclock read from EDID is smaller
 294                         // than the clock of max resolution mode supported. We fix it.
 295                         pixclock = PICOS2KHZ(modedb->pixclock);
 296                         pixclock /= 250;
 297                         pixclock *= 250;
 298                         pixclock *= 1000;
 299                         if(pixclock == 148250000)
 300                                 pixclock = 148500000;
 301                         if(pixclock > specs->dclkmax)
 302                                 specs->dclkmax = pixclock;
 303                 }
 304
 305                 for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 306                         if(modedb) {
 307                                 if( (hdmi_mode[i].pixclock < specs->dclkmin) ||
 308                                         (hdmi_mode[i].pixclock > specs->dclkmax) ||
 309                                         (hdmi_mode[i].refresh < specs->vfmin) ||
 310                                         (hdmi_mode[i].refresh > specs->vfmax) ||
 311                                         (hdmi_mode[i].xres > modedb->xres) ||
 312                                         (hdmi_mode[i].yres > modedb->yres) )
 313                                 continue;
 314                         }
 315                         hdmi_add_videomode(&hdmi_mode[i], head);
 316                 }
 317         }
 318
 319         #ifdef HDMI_DEBUG
 320         hdmi_show_sink_info(hdmi);
 321         #endif
 322         return HDMI_ERROR_SUCESS;
 323 }
 324 /**
 325  * hdmi_videomode_compare - compare 2 videomodes
 326  * @mode1: first videomode
 327  * @mode2: second videomode
 328  *
 329  * RETURNS:
 330  * 1 if mode1 > mode2, 0 if mode1 = mode2, -1 mode1 < mode2
 331  */
 332 static int hdmi_videomode_compare(const struct fb_videomode *mode1,
 333                      const struct fb_videomode *mode2)
 334 {
 335         if(mode1->xres > mode2->xres)
 336                 return 1;
 337         else if(mode1->xres == mode2->xres)
 338         {
 339                 if(mode1->yres > mode2->yres)
 340                         return 1;
 341                 else if(mode1->yres == mode2->yres)
 342                 {
 343                         if(mode1->pixclock > mode2->pixclock)
 344                                 return 1;
 345                         else if(mode1->pixclock == mode2->pixclock)
 346                         {
 347                                 if(mode1->refresh > mode2->refresh)
 348                                         return 1;
 349                                 else if(mode1->refresh == mode2->refresh)
 350                                         return 0;
 351                         }
 352                 }
 353         }
 354         return -1;
 355 }
 356 /**
 357  * hdmi_add_videomode: adds videomode entry to modelist
 358  * @mode: videomode to add
 359  * @head: struct list_head of modelist
 360  *
 361  * NOTES:
 362  * Will only add unmatched mode entries
 363  */
 364 int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 365 {
 366         struct list_head *pos;
 367         struct fb_modelist *modelist, *modelist_new;
 368         struct fb_videomode *m;
 369         int i, found = 0;
 370
 371         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 372     {
 373         m =(struct fb_videomode*) &hdmi_mode[i];
 374         if (fb_mode_is_equal(m, mode)) {
 375                         found = 1;
 376                         break;
 377                 }
 378     }
 379
 380         if (found) {
 381                 list_for_each(pos, head) {
 382                         modelist = list_entry(pos, struct fb_modelist, list);
 383                         m = &modelist->mode;
 384                         if (fb_mode_is_equal(m, mode)) {
 385                         // m == mode
 386                                 return 0;
 387                         }
 388                         else
 389                         {
 390                                 if(hdmi_videomode_compare(m, mode) == -1) {
 391                                         break;
 392                                 }
 393                         }
 394                 }
 395
 396                 modelist_new = kmalloc(sizeof(struct fb_modelist),
 397                                   GFP_KERNEL);
 398                 if (!modelist_new)
 399                         return -ENOMEM;
 400                 modelist_new->mode = hdmi_mode[i];
 401                 list_add_tail(&modelist_new->list, pos);
 402         }
 403
 404         return 0;
 405 }
 406
 407 /**
 408  * hdmi_videomode_to_vic: transverse video mode to vic
 409  * @vmode: videomode to transverse
 410  *
 411  */
 412 int hdmi_videomode_to_vic(struct fb_videomode *vmode)
 413 {
 414         unsigned char vic = 0;
 415         int i = 0;
 416
 417         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 418         {
 419                 if(     vmode->vmode == hdmi_mode[i].vmode &&
 420                         vmode->refresh == hdmi_mode[i].refresh &&
 421                         vmode->xres == hdmi_mode[i].xres &&
 422                         vmode->left_margin == hdmi_mode[i].left_margin &&
 423                         vmode->right_margin == hdmi_mode[i].right_margin &&
 424                         vmode->upper_margin == hdmi_mode[i].upper_margin &&
 425                         vmode->lower_margin == hdmi_mode[i].lower_margin &&
 426                         vmode->hsync_len == hdmi_mode[i].hsync_len &&
 427                         vmode->vsync_len == hdmi_mode[i].vsync_len)
 428                 {
 429                         if( (vmode->vmode == FB_VMODE_NONINTERLACED && vmode->yres == hdmi_mode[i].yres) ||
 430                                 (vmode->vmode == FB_VMODE_INTERLACED && vmode->yres == hdmi_mode[i].yres/2))
 431                         {
 432                                 vic = hdmi_mode[i].flag;
 433                                 break;
 434                         }
 435                 }
 436         }
 437         return vic;
 438 }
 439
 440 /**
 441  * hdmi_vic_to_videomode: transverse vic mode to video mode
 442  * @vmode: vic to transverse
 443  *
 444  */
 445 const struct fb_videomode* hdmi_vic_to_videomode(int vic)
 446 {
 447         int i;
 448
 449         if(vic == 0)
 450                 return NULL;
 451
 452         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 453         {
 454                 if(hdmi_mode[i].flag == vic)
 455                         return &hdmi_mode[i];
 456         }
 457         return NULL;
 458 }
 459
 460 /**
 461  * hdmi_find_best_mode: find the video mode nearest to input vic
 462  * @hdmi:
 463  * @vic: input vic
 464  *
 465  * NOTES:
 466  * If vic is zero, return the high resolution video mode vic.
 467  */
 468 int hdmi_find_best_mode(struct hdmi* hdmi, int vic)
 469 {
 470         struct list_head *pos, *head = &hdmi->edid.modelist;
 471         struct fb_modelist *modelist;
 472         struct fb_videomode *m = NULL;
 473         int found = 0;
 474
 475         if(vic)
 476         {
 477                 list_for_each(pos, head) {
 478                         modelist = list_entry(pos, struct fb_modelist, list);
 479                         m = &modelist->mode;
 480                         if(m->flag == vic)
 481                         {
 482                                 found = 1;
 483                                 break;
 484                         }
 485                 }
 486         }
 487         if( (vic == 0 || found == 0) && head->next != head)
 488         {
 489                 modelist = list_entry(head->next, struct fb_modelist, list);
 490                 m = &modelist->mode;
 491         }
 492         if(m != NULL)
 493                 return m->flag;
 494         else
 495                 return 0;
 496 }
 497
 498 const char *hdmi_get_video_mode_name(unsigned char vic)
 499 {
 500         int i;
 501
 502         for(i = 0; i < ARRAY_SIZE(hdmi_mode); i++)
 503         {
 504                 if(vic == hdmi_mode[i].flag)
 505                         break;
 506         }
 507         if(i == ARRAY_SIZE(hdmi_mode))
 508                 return NULL;
 509         else
 510                 return hdmi_mode[i].name;
 511 }
 512
 513 /**
 514  * hdmi_switch_fb: switch lcdc mode to required video mode
 515  * @hdmi:
 516  * @type:
 517  *
 518  * NOTES:
 519  *
 520  */
 521 int hdmi_switch_fb(struct hdmi *hdmi, int vic)
 522 {
 523         int rc = 0;
 524         struct rk_screen *screen;
 525
 526
 527         screen =  kzalloc(sizeof(struct rk_screen), GFP_KERNEL);
 528         if(screen == NULL)
 529                 return -1;
 530
 531         if(hdmi->vic == 0)
 532                 hdmi->vic = HDMI_VIDEO_DEFAULT_MODE;
 533
 534
 535         rc = hdmi_set_info(screen, hdmi->vic);
 536
 537         if(rc == 0) {
 538                 if(hdmi->set_vif)
 539                         hdmi->set_vif(hdmi,screen,0); //turn off vif for jettab
 540                 rk_fb_switch_screen(screen, 1, hdmi->lcdc->id);
 541                 rk_fb_disp_scale(hdmi->xscale, hdmi->yscale, hdmi->lcdc->id);
 542                 if(hdmi->set_vif)
 543                         hdmi->set_vif(hdmi,screen,1);
 544
 545         }
 546
 547         kfree(screen);
 548
 549         return rc;
 550 }
 551
 552 /**
 553  * hdmi_init_video_para: init video_para variable
 554  *
 555  * NOTES:
 556  *This parameters should be modified according to need by user
 557  */
 558 int hdmi_init_video_para(struct hdmi *hdmi_drv, struct hdmi_video_para *video)
 559 {
 560         memset(video, 0, sizeof(struct hdmi_video_para));
 561         video->vic = hdmi_drv->vic;
 562         video->input_mode = VIDEO_INPUT_RGB_YCBCR_444;
 563         video->input_color = VIDEO_INPUT_COLOR_RGB;//VIDEO_INPUT_COLOR_YCBCR
 564         video->output_mode = hdmi_drv->edid.sink_hdmi;
 565         video->format_3d = 0;   /*TODO modify according to EDID if need*/
 566         video->pixel_repet = 0;
 567         video->color_limit_range = 1; //0:IT Video Format  1:CE Video Format --TODO modify according to EDID
 568
 569 #ifdef SOURCE_ABOVE_10BIT
 570         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_16BIT)
 571                 video->color_depth = HDMI_COLOR_DEPTH_16BIT;
 572         else if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_12BIT)
 573                 video->color_depth = HDMI_COLOR_DEPTH_12BIT;
 574         else
 575 #endif
 576         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_10BIT)
 577                 video->color_depth = HDMI_COLOR_DEPTH_10BIT;
 578         else
 579                 video->color_depth = HDMI_COLOR_DEPTH_8BIT;
 580
 581         if (hdmi_drv->edid.ycbcr444)
 582                 video->output_color = VIDEO_OUTPUT_YCBCR444;
 583         else if (hdmi_drv->edid.ycbcr422)
 584                 video->output_color = VIDEO_OUTPUT_YCBCR422;
 585         else
 586                 video->output_color = VIDEO_OUTPUT_RGB444;
 587
 588         /*For DVI, output RGB*/
 589         if (hdmi_drv->edid.sink_hdmi == 0)
 590                 video->output_color = VIDEO_OUTPUT_RGB444;
 591
 592         return 0;
 593 }
 594
 595 /**
 596  * hdmi_drv_register: init hdmi_drv variable
 597  *
 598  * NOTES:
 599  *
 600  */
 601 int hdmi_drv_register(struct hdmi *hdmi_drv)
 602 {
 603         m_hdmi_drv = hdmi_drv;
 604         return 0;
 605 }
 606
 607 /**
 608  * hdmi_get_status: get hdmi hotplug status
 609  *
 610  * NOTES:
 611  *
 612  */
 613 int hdmi_get_hotplug(void)
 614 {
 615         if(m_hdmi_drv)
 616                 return m_hdmi_drv->hotplug;
 617         else
 618                 return HDMI_HPD_REMOVED;
 619 }