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 struct hdmi *m_hdmi_drv;
  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 /*
  16         {"640x480p@60Hz",       60,     640,    480,    25175000,       48,     16,     33,     10,     96,     2,                      0,                              0,      1 },
  17         {"720x480i@60Hz",       60,     720,    480,    27000000,       114,    38,     15,     4,      124,    3,                      0,                              1,      6 },
  18         {"720x576i@50Hz",       50,     720,    576,    27000000,       138,    24,     19,     2,      126,    3,                      0,                              1,      21},
  19 */
  20         {"720x480p@60Hz",       60,     720,    480,    27000000,       60,     16,     30,     9,      62,     6,                      0,                              0,      2 },
  21         {"720x576p@50Hz",       50,     720,    576,    27000000,       68,     12,     39,     5,      64,     5,                      0,                              0,      17},
  22 /*
  23         {"1280x720p@24Hz",      24,     1280,   720,    59400000,       220,    1760,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      60},
  24         {"1280x720p@25Hz",      25,     1280,   720,    74250000,       220,    2420,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      61},
  25         {"1280x720p@30Hz",      30,     1280,   720,    74250000,       220,    1760,   20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      62},
  26 */
  27         {"1280x720p@50Hz",      50,     1280,   720,    74250000,       220,    440,    20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      19},
  28         {"1280x720p@60Hz",      60,     1280,   720,    74250000,       220,    110,    20,     5,      40,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      4 },
  29 /*
  30         {"1920x1080p@24Hz",     24,     1920,   1080,   74250000,       148,    638,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      32},
  31         {"1920x1080p@25Hz",     25,     1920,   1080,   74250000,       148,    528,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      33},
  32         {"1920x1080p@30Hz",     30,     1920,   1080,   74250000,       148,    88,     36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      34},
  33         {"1920x1080i@50Hz_2",   50,     1920,   1080,   72000000,       184,    32,     57,     23,     168,    5,      FB_SYNC_HOR_HIGH_ACT,                           1,      39},
  34         {"1920x1080i@50Hz",     50,     1920,   1080,   74250000,       148,    528,    15,     2,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   1,      20},
  35         {"1920x1080i@60Hz",     60,     1920,   1080,   74250000,       148,    88,     15,     2,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   1,      5 },
  36 */
  37         {"1920x1080p@50Hz",     50,     1920,   1080,   148500000,      148,    528,    36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      31},
  38         {"1920x1080p@60Hz",     60,     1920,   1080,   148500000,      148,    88,     36,     4,      44,     5,      FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      16},
  39 /*
  40         {"1440x288p@50Hz",      50,     720,    480,    27000000,       138,    24,     19,     2,      126,    3,                      0,                              0,      23},
  41         {"2880x576i@50Hz",      50,     1440,   240,    54000000,       276,    48,     19,     2,      252,    3,                      0,                              1,      25},
  42         {"2880x288p@50Hz",      50,     2880,   480,    54000000,       276,    48,     19,     3,      252,    3,                      0,                              0,      27},
  43         {"1440x576p@50Hz",      50,     2880,   480,    54000000,       136,    24,     39,     5,      128,    5,                      0,                              0,      29},
  44         {"2880x576p@50Hz",      50,     1920,   1080,   108000000,      272,    48,     39,     5,      256,    5,                      0,                              0,      37},
  45         {"1440x240p@60Hz",      60,     1440,   240,    27000000,       114,    38,     15,     4,      124,    3,                      0,                              0,      8 },
  46         {"2880x480i@60Hz",      60,     2880,   480,    54000000,       228,    76,     15,     4,      248,    3,                      0,                              1,      10},
  47         {"2880x480p@60Hz",      60,     2880,   480,    54000000,       228,    76,     15,     4,      248,    3,                      0,                              0,      12},
  48         {"1440x480p@60Hz",      60,     1440,   480,    54000000,       120,    32,     30,     9,      124,    6,                      0,                              0,      14},
  49         {"2880x480p@60Hz",      60,     2880,   480,    54000000,       240,    64,     30,     9,      248,    6,                      0,                              0,      35},
  50
  51         {"1920x1080i@100Hz",    100,    1920,   1080,   148500000,      148,    528,    15,     2,      44,     5,                      1,                              1,      40},
  52         {"1280x720p@100Hz",     100,    1280,   720,    148500000,      220,    440,    20,     5,      40,     5,                      1,                              0,      41},
  53         {"720x576p@100Hz",      100,    720,    576,    54000000,       68,     12,     39,     5,      64,     5,                      0,                              0,      42},
  54         {"1440x576i@100Hz",     100,    1440,   576,    54000000,       138,    24,     19,     2,      12,     3,                      0,                              1,      44},
  55         {"1920x1080p@100Hz",    100,    1920,   1080,   297000000,      148,    528,    36,     4,      44,     5,                      1,                              0,      64},
  56
  57         {"1920x1080i@120Hz",    120,    1920,   1080,   148500000,      148,    88,     15,     2,      44,     5,                      1,                              1,      46},
  58         {"1280x720p@120Hz",     120,    1280,   720,    148500000,      220,    110,    20,     5,      40,     5,                      1,                              0,      47},
  59         {"720x480p@120Hz",      120,    720,    480,    54000000,       60,     16,     30,     9,      62,     6,                      0,                              0,      48},
  60         {"1440x480i@120Hz",     120,    1440,   480,    54000000,       114,    38,     15,     4,      12,     3,                      0,                              1,      50},
  61         {"1920x1080p@120Hz",    120,    1920,   1080,   297000000,      148,    88,     36,     4,      44,     5,                      1,                              0,      63},
  62
  63         {"720x576p@200Hz",      200,    720,    576,    108000000,      68,     12,     39,     5,      64,     5,                      0,                              0,      52},
  64         {"1440x576i@200Hz",     200,    1920,   1080,   108000000,      138,    24,     19,     2,      12,     3,                      0,                              1,      54},
  65
  66         {"720x480p@240Hz",      240,    720,    480,    108000000,      60,     16,     30,     9,      62,     6,                      0,                              0,      56},
  67         {"1440x480i@240Hz",     240,    1440,   480,    108000000,      114,    38,     15,     4,      12,     3,                      0,                              1,      58},
  68 */
  69         {"3840x2160p@24Hz",     24,     3840,   2160,   297000000,      296,    1276,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      93},
  70         {"3840x2160p@25Hz",     25,     3840,   2160,   297000000,      296,    1056,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      94},
  71         {"3840x2160p@30Hz",     30,     3840,   2160,   297000000,      296,    176,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      95},
  72         {"3840x2160p@50Hz",     50,     3840,   2160,   594000000,      296,    1056,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      96},
  73         {"3840x2160p@60Hz",     60,     3840,   2160,   594000000,      296,    176,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      97},
  74         {"4096x2160p@24Hz",     24,     4096,   2160,   297000000,      296,    1020,   72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      98},
  75         {"4096x2160p@25Hz",     25,     4096,   2160,   297000000,      128,    968,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      99},
  76         {"4096x2160p@30Hz",     30,     4096,   2160,   297000000,      128,    88,     72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      100},
  77         {"4096x2160p@50Hz",     50,     4096,   2160,   594000000,      128,    968,    72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      101},
  78         {"4096x2160p@60Hz",     60,     4096,   2160,   594000000,      128,    88,     72,     8,      88,     10,     FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,   0,      102},
  79
  80 };
  81
  82 void hdmi_init_lcdc(struct rk_screen *screen, struct rk29lcd_info *lcd_info)
  83 {
  84         hdmi_set_info(screen, HDMI_VIDEO_DEFAULT_MODE);
  85 }
  86
  87 int hdmi_set_info(struct rk_screen *screen, unsigned int vic)
  88 {
  89         int i;
  90
  91         if (screen == NULL)
  92                 return -1;
  93
  94         if (vic == 0)
  95                 vic = HDMI_VIDEO_DEFAULT_MODE;
  96
  97         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
  98                 if (hdmi_mode[i].flag == vic)
  99                         break;
 100         }
 101         if (i == ARRAY_SIZE(hdmi_mode))
 102                 return -1;
 103
 104         memset(screen, 0, sizeof(struct rk_screen));
 105
 106         /* screen type & face */
 107         screen->type = OUT_TYPE;
 108         screen->face = OUT_FACE;
 109
 110         /* Screen size */
 111         screen->mode.xres = hdmi_mode[i].xres;
 112         screen->mode.yres = hdmi_mode[i].yres;
 113
 114         /* Timing */
 115         screen->mode.pixclock = hdmi_mode[i].pixclock;
 116         screen->mode.refresh = hdmi_mode[i].refresh;
 117         /* screen->lcdc_aclk = LCD_ACLK; */
 118         screen->mode.left_margin = hdmi_mode[i].left_margin;
 119         screen->mode.right_margin = hdmi_mode[i].right_margin;
 120         screen->mode.hsync_len = hdmi_mode[i].hsync_len;
 121         screen->mode.upper_margin = hdmi_mode[i].upper_margin;
 122         screen->mode.lower_margin = hdmi_mode[i].lower_margin;
 123         screen->mode.vsync_len = hdmi_mode[i].vsync_len;
 124         screen->hdmi_resolution = hdmi_mode[i].flag;
 125
 126         /* Pin polarity */
 127 #if defined(CONFIG_HDMI_RK616) && !defined(CONFIG_ARCH_RK3026)
 128         screen->pin_hsync = 0;
 129         screen->pin_vsync = 0;
 130 #else
 131         screen->pin_hsync = 0;
 132         if (FB_SYNC_HOR_HIGH_ACT & hdmi_mode[i].sync)
 133                 screen->pin_hsync = 1;
 134         else
 135                 screen->pin_hsync = 0;
 136         if (FB_SYNC_VERT_HIGH_ACT & hdmi_mode[i].sync)
 137                 screen->pin_vsync = 1;
 138         else
 139                 screen->pin_vsync = 0;
 140 #endif
 141         screen->pin_den = 0;
 142         screen->pin_dclk = DCLK_POL;
 143
 144         /* Swap rule */
 145         screen->swap_rb = SWAP_RB;
 146         screen->swap_rg = 0;
 147         screen->swap_gb = 0;
 148         screen->swap_delta = 0;
 149         screen->swap_dumy = 0;
 150
 151         /* Operation function */
 152         screen->init = NULL;
 153         screen->standby = NULL;
 154
 155         /* Init Default Overscan Value:
 156          * TODO modify the value according to your need adjust value
 157          */
 158         switch (vic) {
 159         case 16:                /* 1080p-60Hz */
 160                 screen->overscan.left = 97;
 161                 screen->overscan.top = 97;
 162                 screen->overscan.right = 97;
 163                 screen->overscan.bottom = 97;
 164                 break;
 165         default:
 166                 screen->overscan.left = 96;
 167                 screen->overscan.top = 96;
 168                 screen->overscan.right = 96;
 169                 screen->overscan.bottom = 96;
 170                 break;
 171         }
 172
 173         return 0;
 174 }
 175
 176 #ifdef HDMI_DEBUG
 177 static void hdmi_show_sink_info(struct hdmi *hdmi)
 178 {
 179         struct list_head *pos, *head = &hdmi->edid.modelist;
 180         struct fb_modelist *modelist;
 181         struct fb_videomode *m;
 182         int i;
 183         struct hdmi_audio *audio;
 184
 185         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 186         hdmi_dbg(hdmi->dev, "Support video mode:\n");
 187         list_for_each(pos, head) {
 188                 modelist = list_entry(pos, struct fb_modelist, list);
 189                 m = &modelist->mode;
 190                 hdmi_dbg(hdmi->dev, "   %s.\n", m->name);
 191         }
 192
 193         for (i = 0; i < hdmi->edid.audio_num; i++) {
 194                 audio = &(hdmi->edid.audio[i]);
 195                 switch (audio->type) {
 196                 case HDMI_AUDIO_LPCM:
 197                         hdmi_dbg(hdmi->dev, "Support audio type: LPCM\n");
 198                         break;
 199                 case HDMI_AUDIO_AC3:
 200                         hdmi_dbg(hdmi->dev, "Support audio type: AC3\n");
 201                         break;
 202                 case HDMI_AUDIO_MPEG1:
 203                         hdmi_dbg(hdmi->dev, "Support audio type: MPEG1\n");
 204                         break;
 205                 case HDMI_AUDIO_MP3:
 206                         hdmi_dbg(hdmi->dev, "Support audio type: MP3\n");
 207                         break;
 208                 case HDMI_AUDIO_MPEG2:
 209                         hdmi_dbg(hdmi->dev, "Support audio type: MPEG2\n");
 210                         break;
 211                 case HDMI_AUDIO_AAC_LC:
 212                         hdmi_dbg(hdmi->dev, "Support audio type: AAC\n");
 213                         break;
 214                 case HDMI_AUDIO_DTS:
 215                         hdmi_dbg(hdmi->dev, "Support audio type: DTS\n");
 216                         break;
 217                 case HDMI_AUDIO_ATARC:
 218                         hdmi_dbg(hdmi->dev, "Support audio type: ATARC\n");
 219                         break;
 220                 case HDMI_AUDIO_DSD:
 221                         hdmi_dbg(hdmi->dev, "Support audio type: DSD\n");
 222                         break;
 223                 case HDMI_AUDIO_E_AC3:
 224                         hdmi_dbg(hdmi->dev, "Support audio type: E-AC3\n");
 225                         break;
 226                 case HDMI_AUDIO_DTS_HD:
 227                         hdmi_dbg(hdmi->dev, "Support audio type: DTS-HD\n");
 228                         break;
 229                 case HDMI_AUDIO_MLP:
 230                         hdmi_dbg(hdmi->dev, "Support audio type: MLP\n");
 231                         break;
 232                 case HDMI_AUDIO_DST:
 233                         hdmi_dbg(hdmi->dev, "Support audio type: DST\n");
 234                         break;
 235                 case HDMI_AUDIO_WMA_PRO:
 236                         hdmi_dbg(hdmi->dev, "Support audio type: WMP-PRO\n");
 237                         break;
 238                 default:
 239                         hdmi_dbg(hdmi->dev, "Support audio type: Unkown\n");
 240                         break;
 241                 }
 242
 243                 hdmi_dbg(hdmi->dev, "Support audio sample rate:\n");
 244                 if (audio->rate & HDMI_AUDIO_FS_32000)
 245                         hdmi_dbg(hdmi->dev, "   32000\n");
 246                 if (audio->rate & HDMI_AUDIO_FS_44100)
 247                         hdmi_dbg(hdmi->dev, "   44100\n");
 248                 if (audio->rate & HDMI_AUDIO_FS_48000)
 249                         hdmi_dbg(hdmi->dev, "   48000\n");
 250                 if (audio->rate & HDMI_AUDIO_FS_88200)
 251                         hdmi_dbg(hdmi->dev, "   88200\n");
 252                 if (audio->rate & HDMI_AUDIO_FS_96000)
 253                         hdmi_dbg(hdmi->dev, "   96000\n");
 254                 if (audio->rate & HDMI_AUDIO_FS_176400)
 255                         hdmi_dbg(hdmi->dev, "   176400\n");
 256                 if (audio->rate & HDMI_AUDIO_FS_192000)
 257                         hdmi_dbg(hdmi->dev, "   192000\n");
 258
 259                 hdmi_dbg(hdmi->dev, "Support audio word lenght:\n");
 260                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_16bit)
 261                         hdmi_dbg(hdmi->dev, "   16bit\n");
 262                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_20bit)
 263                         hdmi_dbg(hdmi->dev, "   20bit\n");
 264                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_24bit)
 265                         hdmi_dbg(hdmi->dev, "   24bit\n");
 266         }
 267         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 268 }
 269 #endif
 270
 271 /**
 272  * hdmi_ouputmode_select - select hdmi transmitter output mode: hdmi or dvi?
 273  * @hdmi: handle of hdmi
 274  * @edid_ok: get EDID data success or not, HDMI_ERROR_SUCESS means success.
 275  */
 276 int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
 277 {
 278         struct list_head *head = &hdmi->edid.modelist;
 279         struct fb_monspecs *specs = hdmi->edid.specs;
 280         struct fb_videomode *modedb = NULL;
 281         int i, pixclock;
 282
 283         if (edid_ok != HDMI_ERROR_SUCESS) {
 284                 dev_err(hdmi->dev,
 285                         "warning: EDID error, assume sink as HDMI and asume minitor support audio output!!!!");
 286                 hdmi->edid.sink_hdmi = 1;
 287                 /* if edid error,asume monitor support audio output */
 288                 hdmi->edid.base_audio_support = 1;
 289         }
 290
 291         if (edid_ok != HDMI_ERROR_SUCESS) {
 292                 hdmi->edid.ycbcr444 = 0;
 293                 hdmi->edid.ycbcr422 = 0;
 294                 hdmi->autoconfig = HDMI_DISABLE;
 295         }
 296         if (head->next == head) {
 297                 dev_info(hdmi->dev,
 298                          "warning: no CEA video mode parsed from EDID !!!!");
 299                 /* If EDID get error, list all system supported mode.
 300                  * If output mode is set to DVI and EDID is ok, check
 301                  * the output timing.
 302                  */
 303
 304                 if (hdmi->edid.sink_hdmi == 0 && specs && specs->modedb_len) {
 305                         /* Get max resolution timing */
 306                         modedb = &specs->modedb[0];
 307                         for (i = 0; i < specs->modedb_len; i++) {
 308                                 if (specs->modedb[i].xres > modedb->xres)
 309                                         modedb = &specs->modedb[i];
 310                                 else if (specs->modedb[i].yres > modedb->yres)
 311                                         modedb = &specs->modedb[i];
 312                         }
 313                         /* For some monitor, the max pixclock read from EDID
 314                          * is smaller than the clock of
 315                          * max resolution mode supported.
 316                          */
 317                         pixclock = PICOS2KHZ(modedb->pixclock);
 318                         pixclock /= 250;
 319                         pixclock *= 250;
 320                         pixclock *= 1000;
 321                         if (pixclock == 148250000)
 322                                 pixclock = 148500000;
 323                         if (pixclock > specs->dclkmax)
 324                                 specs->dclkmax = pixclock;
 325                 }
 326
 327                 for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 328                         if (modedb) {
 329                                 if ((hdmi_mode[i].pixclock < specs->dclkmin) ||
 330                                     (hdmi_mode[i].pixclock > specs->dclkmax) ||
 331                                     (hdmi_mode[i].refresh < specs->vfmin) ||
 332                                     (hdmi_mode[i].refresh > specs->vfmax) ||
 333                                     (hdmi_mode[i].xres > modedb->xres) ||
 334                                     (hdmi_mode[i].yres > modedb->yres))
 335                                         continue;
 336                         }
 337                         hdmi_add_videomode(&hdmi_mode[i], head);
 338                 }
 339         }
 340 #ifdef HDMI_DEBUG
 341         hdmi_show_sink_info(hdmi);
 342 #endif
 343         return HDMI_ERROR_SUCESS;
 344 }
 345
 346 /**
 347  * hdmi_videomode_compare - compare 2 videomodes
 348  * @mode1: first videomode
 349  * @mode2: second videomode
 350  *
 351  * RETURNS:
 352  * 1 if mode1 > mode2, 0 if mode1 = mode2, -1 mode1 < mode2
 353  */
 354 static int hdmi_videomode_compare(const struct fb_videomode *mode1,
 355                                   const struct fb_videomode *mode2)
 356 {
 357         if (mode1->xres > mode2->xres)
 358                 return 1;
 359         else if (mode1->xres == mode2->xres) {
 360                 if (mode1->yres > mode2->yres)
 361                         return 1;
 362                 else if (mode1->yres == mode2->yres) {
 363                         if (mode1->pixclock > mode2->pixclock)
 364                                 return 1;
 365                         else if (mode1->pixclock == mode2->pixclock) {
 366                                 if (mode1->refresh > mode2->refresh)
 367                                         return 1;
 368                                 else if (mode1->refresh == mode2->refresh)
 369                                         return 0;
 370                         }
 371                 }
 372         }
 373         return -1;
 374 }
 375
 376 /**
 377  * hdmi_add_videomode: adds videomode entry to modelist
 378  * @mode: videomode to add
 379  * @head: struct list_head of modelist
 380  *
 381  * NOTES:
 382  * Will only add unmatched mode entries
 383  */
 384 int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 385 {
 386         struct list_head *pos;
 387         struct fb_modelist *modelist, *modelist_new;
 388         struct fb_videomode *m;
 389         int i, found = 0;
 390
 391         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 392                 m = (struct fb_videomode *)&hdmi_mode[i];
 393                 if (fb_mode_is_equal(m, mode)) {
 394                         found = 1;
 395                         break;
 396                 }
 397         }
 398
 399         if (found) {
 400                 list_for_each(pos, head) {
 401                         modelist = list_entry(pos, struct fb_modelist, list);
 402                         m = &modelist->mode;
 403                         if (fb_mode_is_equal(m, mode)) {
 404                                 /* m == mode */
 405                                 return 0;
 406                         } else {
 407                                 if (hdmi_videomode_compare(m, mode) == -1)
 408                                         break;
 409                         }
 410                 }
 411
 412                 modelist_new = kmalloc(sizeof(struct fb_modelist), GFP_KERNEL);
 413                 if (!modelist_new)
 414                         return -ENOMEM;
 415                 modelist_new->mode = hdmi_mode[i];
 416                 list_add_tail(&modelist_new->list, pos);
 417         }
 418
 419         return 0;
 420 }
 421
 422 /**
 423  * hdmi_videomode_to_vic: transverse video mode to vic
 424  * @vmode: videomode to transverse
 425  *
 426  */
 427 int hdmi_videomode_to_vic(struct fb_videomode *vmode)
 428 {
 429         unsigned char vic = 0;
 430         int i = 0;
 431
 432         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 433                 if (vmode->vmode == hdmi_mode[i].vmode &&
 434                     vmode->refresh == hdmi_mode[i].refresh &&
 435                     vmode->xres == hdmi_mode[i].xres &&
 436                     vmode->left_margin == hdmi_mode[i].left_margin &&
 437                     vmode->right_margin == hdmi_mode[i].right_margin &&
 438                     vmode->upper_margin == hdmi_mode[i].upper_margin &&
 439                     vmode->lower_margin == hdmi_mode[i].lower_margin &&
 440                     vmode->hsync_len == hdmi_mode[i].hsync_len &&
 441                     vmode->vsync_len == hdmi_mode[i].vsync_len) {
 442                         if ((vmode->vmode == FB_VMODE_NONINTERLACED
 443                              && vmode->yres == hdmi_mode[i].yres)
 444                             || (vmode->vmode == FB_VMODE_INTERLACED
 445                                 && vmode->yres == hdmi_mode[i].yres / 2)) {
 446                                 vic = hdmi_mode[i].flag;
 447                                 break;
 448                         }
 449                 }
 450         }
 451         return vic;
 452 }
 453
 454 /**
 455  * hdmi_vic_to_videomode: transverse vic mode to video mode
 456  * @vmode: vic to transverse
 457  *
 458  */
 459 const struct fb_videomode *hdmi_vic_to_videomode(int vic)
 460 {
 461         int i;
 462
 463         if (vic == 0)
 464                 return NULL;
 465
 466         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 467                 if (hdmi_mode[i].flag == vic)
 468                         return &hdmi_mode[i];
 469         }
 470         return NULL;
 471 }
 472
 473 /**
 474  * hdmi_find_best_mode: find the video mode nearest to input vic
 475  * @hdmi:
 476  * @vic: input vic
 477  *
 478  * NOTES:
 479  * If vic is zero, return the high resolution video mode vic.
 480  */
 481 int hdmi_find_best_mode(struct hdmi *hdmi, int vic)
 482 {
 483         struct list_head *pos, *head = &hdmi->edid.modelist;
 484         struct fb_modelist *modelist;
 485         struct fb_videomode *m = NULL;
 486         int found = 0;
 487
 488         if (vic) {
 489                 list_for_each(pos, head) {
 490                         modelist = list_entry(pos, struct fb_modelist, list);
 491                         m = &modelist->mode;
 492                         if (m->flag == vic) {
 493                                 found = 1;
 494                                 break;
 495                         }
 496                 }
 497         }
 498         if ((vic == 0 || found == 0) && head->next != head) {
 499                 modelist = list_entry(head->next, struct fb_modelist, list);
 500                 m = &modelist->mode;
 501         }
 502         if (m != NULL)
 503                 return m->flag;
 504         else
 505                 return 0;
 506 }
 507
 508 const char *hdmi_get_video_mode_name(unsigned char vic)
 509 {
 510         int i;
 511
 512         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 513                 if (vic == hdmi_mode[i].flag)
 514                         break;
 515         }
 516         if (i == ARRAY_SIZE(hdmi_mode))
 517                 return NULL;
 518         else
 519                 return hdmi_mode[i].name;
 520 }
 521
 522 /**
 523  * hdmi_switch_fb: switch lcdc mode to required video mode
 524  * @hdmi:
 525  * @type:
 526  *
 527  * NOTES:
 528  *
 529  */
 530 int hdmi_switch_fb(struct hdmi *hdmi, int vic)
 531 {
 532         int rc = 0;
 533         struct rk_screen *screen;
 534
 535         screen = kzalloc(sizeof(struct rk_screen), GFP_KERNEL);
 536         if (screen == NULL)
 537                 return -1;
 538
 539         if (hdmi->vic == 0)
 540                 hdmi->vic = HDMI_VIDEO_DEFAULT_MODE;
 541
 542         rc = hdmi_set_info(screen, hdmi->vic);
 543
 544         if (rc == 0) {
 545                 if (hdmi->set_vif)      /* turn off vif for jettab */
 546                         hdmi->set_vif(hdmi, screen, 0);
 547                 rk_fb_switch_screen(screen, 1, hdmi->lcdc->id);
 548                 rk_fb_disp_scale(hdmi->xscale, hdmi->yscale, hdmi->lcdc->id);
 549                 if (hdmi->set_vif)
 550                         hdmi->set_vif(hdmi, screen, 1);
 551
 552         }
 553
 554         kfree(screen);
 555
 556         return rc;
 557 }
 558
 559 /**
 560  * hdmi_init_video_para: init video_para variable
 561  *
 562  * NOTES:
 563  *This parameters should be modified according to need by user
 564  */
 565 int hdmi_init_video_para(struct hdmi *hdmi_drv, struct hdmi_video_para *video)
 566 {
 567         memset(video, 0, sizeof(struct hdmi_video_para));
 568         video->vic = hdmi_drv->vic;
 569         video->input_mode = VIDEO_INPUT_RGB_YCBCR_444;
 570         video->input_color = VIDEO_INPUT_COLOR_RGB;
 571         video->output_mode = hdmi_drv->edid.sink_hdmi;
 572         video->format_3d = 0;   /* TODO modify according to EDID if need */
 573         video->pixel_repet = 0;
 574         /* 0:IT Video Format  1:CE Video Format
 575          * TODO modify according to EDID
 576          */
 577         video->color_limit_range = 1;
 578
 579 #ifdef SOURCE_ABOVE_10BIT
 580         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_16BIT)
 581                 video->color_depth = HDMI_COLOR_DEPTH_16BIT;
 582         else if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_12BIT)
 583                 video->color_depth = HDMI_COLOR_DEPTH_12BIT;
 584         else
 585 #endif
 586         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_10BIT)
 587                 video->color_depth = HDMI_COLOR_DEPTH_10BIT;
 588         else
 589                 video->color_depth = HDMI_COLOR_DEPTH_8BIT;
 590
 591         if (hdmi_drv->edid.ycbcr444)
 592                 video->output_color = VIDEO_OUTPUT_YCBCR444;
 593         else if (hdmi_drv->edid.ycbcr422)
 594                 video->output_color = VIDEO_OUTPUT_YCBCR422;
 595         else
 596                 video->output_color = VIDEO_OUTPUT_RGB444;
 597
 598         /*For DVI, output RGB */
 599         if (hdmi_drv->edid.sink_hdmi == 0)
 600                 video->output_color = VIDEO_OUTPUT_RGB444;
 601
 602         return 0;
 603 }
 604
 605 /**
 606  * hdmi_drv_register: init hdmi_drv variable
 607  *
 608  * NOTES:
 609  *
 610  */
 611 int hdmi_drv_register(struct hdmi *hdmi_drv)
 612 {
 613         m_hdmi_drv = hdmi_drv;
 614         return 0;
 615 }
 616
 617 /**
 618  * hdmi_get_status: get hdmi hotplug status
 619  *
 620  * NOTES:
 621  *
 622  */
 623 int hdmi_get_hotplug(void)
 624 {
 625         if (m_hdmi_drv)
 626                 return m_hdmi_drv->hotplug;
 627         else
 628                 return HDMI_HPD_REMOVED;
 629 }