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 static void hdmi_show_sink_info(struct hdmi *hdmi)
 177 {
 178         struct list_head *pos, *head = &hdmi->edid.modelist;
 179         struct fb_modelist *modelist;
 180         struct fb_videomode *m;
 181         int i;
 182         struct hdmi_audio *audio;
 183
 184         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 185         hdmi_dbg(hdmi->dev, "Support video mode:\n");
 186         list_for_each(pos, head) {
 187                 modelist = list_entry(pos, struct fb_modelist, list);
 188                 m = &modelist->mode;
 189                 hdmi_dbg(hdmi->dev, "   %s.\n", m->name);
 190         }
 191
 192         for (i = 0; i < hdmi->edid.audio_num; i++) {
 193                 audio = &(hdmi->edid.audio[i]);
 194                 switch (audio->type) {
 195                 case HDMI_AUDIO_LPCM:
 196                         hdmi_dbg(hdmi->dev, "Support audio type: LPCM\n");
 197                         break;
 198                 case HDMI_AUDIO_AC3:
 199                         hdmi_dbg(hdmi->dev, "Support audio type: AC3\n");
 200                         break;
 201                 case HDMI_AUDIO_MPEG1:
 202                         hdmi_dbg(hdmi->dev, "Support audio type: MPEG1\n");
 203                         break;
 204                 case HDMI_AUDIO_MP3:
 205                         hdmi_dbg(hdmi->dev, "Support audio type: MP3\n");
 206                         break;
 207                 case HDMI_AUDIO_MPEG2:
 208                         hdmi_dbg(hdmi->dev, "Support audio type: MPEG2\n");
 209                         break;
 210                 case HDMI_AUDIO_AAC_LC:
 211                         hdmi_dbg(hdmi->dev, "Support audio type: AAC\n");
 212                         break;
 213                 case HDMI_AUDIO_DTS:
 214                         hdmi_dbg(hdmi->dev, "Support audio type: DTS\n");
 215                         break;
 216                 case HDMI_AUDIO_ATARC:
 217                         hdmi_dbg(hdmi->dev, "Support audio type: ATARC\n");
 218                         break;
 219                 case HDMI_AUDIO_DSD:
 220                         hdmi_dbg(hdmi->dev, "Support audio type: DSD\n");
 221                         break;
 222                 case HDMI_AUDIO_E_AC3:
 223                         hdmi_dbg(hdmi->dev, "Support audio type: E-AC3\n");
 224                         break;
 225                 case HDMI_AUDIO_DTS_HD:
 226                         hdmi_dbg(hdmi->dev, "Support audio type: DTS-HD\n");
 227                         break;
 228                 case HDMI_AUDIO_MLP:
 229                         hdmi_dbg(hdmi->dev, "Support audio type: MLP\n");
 230                         break;
 231                 case HDMI_AUDIO_DST:
 232                         hdmi_dbg(hdmi->dev, "Support audio type: DST\n");
 233                         break;
 234                 case HDMI_AUDIO_WMA_PRO:
 235                         hdmi_dbg(hdmi->dev, "Support audio type: WMP-PRO\n");
 236                         break;
 237                 default:
 238                         hdmi_dbg(hdmi->dev, "Support audio type: Unkown\n");
 239                         break;
 240                 }
 241
 242                 hdmi_dbg(hdmi->dev, "Support audio sample rate:\n");
 243                 if (audio->rate & HDMI_AUDIO_FS_32000)
 244                         hdmi_dbg(hdmi->dev, "   32000\n");
 245                 if (audio->rate & HDMI_AUDIO_FS_44100)
 246                         hdmi_dbg(hdmi->dev, "   44100\n");
 247                 if (audio->rate & HDMI_AUDIO_FS_48000)
 248                         hdmi_dbg(hdmi->dev, "   48000\n");
 249                 if (audio->rate & HDMI_AUDIO_FS_88200)
 250                         hdmi_dbg(hdmi->dev, "   88200\n");
 251                 if (audio->rate & HDMI_AUDIO_FS_96000)
 252                         hdmi_dbg(hdmi->dev, "   96000\n");
 253                 if (audio->rate & HDMI_AUDIO_FS_176400)
 254                         hdmi_dbg(hdmi->dev, "   176400\n");
 255                 if (audio->rate & HDMI_AUDIO_FS_192000)
 256                         hdmi_dbg(hdmi->dev, "   192000\n");
 257
 258                 hdmi_dbg(hdmi->dev, "Support audio word lenght:\n");
 259                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_16bit)
 260                         hdmi_dbg(hdmi->dev, "   16bit\n");
 261                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_20bit)
 262                         hdmi_dbg(hdmi->dev, "   20bit\n");
 263                 if (audio->rate & HDMI_AUDIO_WORD_LENGTH_24bit)
 264                         hdmi_dbg(hdmi->dev, "   24bit\n");
 265         }
 266         hdmi_dbg(hdmi->dev, "******** Show Sink Info ********\n");
 267 }
 268
 269 /**
 270  * hdmi_ouputmode_select - select hdmi transmitter output mode: hdmi or dvi?
 271  * @hdmi: handle of hdmi
 272  * @edid_ok: get EDID data success or not, HDMI_ERROR_SUCESS means success.
 273  */
 274 int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
 275 {
 276         struct list_head *head = &hdmi->edid.modelist;
 277         struct fb_monspecs *specs = hdmi->edid.specs;
 278         struct fb_videomode *modedb = NULL;
 279         int i, pixclock;
 280
 281         if (edid_ok != HDMI_ERROR_SUCESS) {
 282                 dev_err(hdmi->dev,
 283                         "warning: EDID error, assume sink as HDMI and asume minitor support audio output!!!!");
 284                 hdmi->edid.sink_hdmi = 1;
 285                 /* if edid error,asume monitor support audio output */
 286                 hdmi->edid.base_audio_support = 1;
 287         }
 288
 289         if (edid_ok != HDMI_ERROR_SUCESS) {
 290                 hdmi->edid.ycbcr444 = 0;
 291                 hdmi->edid.ycbcr422 = 0;
 292                 hdmi->autoconfig = HDMI_DISABLE;
 293         }
 294         if (head->next == head) {
 295                 dev_info(hdmi->dev,
 296                          "warning: no CEA video mode parsed from EDID !!!!");
 297                 /* If EDID get error, list all system supported mode.
 298                  * If output mode is set to DVI and EDID is ok, check
 299                  * the output timing.
 300                  */
 301
 302                 if (hdmi->edid.sink_hdmi == 0 && specs && specs->modedb_len) {
 303                         /* Get max resolution timing */
 304                         modedb = &specs->modedb[0];
 305                         for (i = 0; i < specs->modedb_len; i++) {
 306                                 if (specs->modedb[i].xres > modedb->xres)
 307                                         modedb = &specs->modedb[i];
 308                                 else if (specs->modedb[i].yres > modedb->yres)
 309                                         modedb = &specs->modedb[i];
 310                         }
 311                         /* For some monitor, the max pixclock read from EDID
 312                          * is smaller than the clock of
 313                          * max resolution mode supported.
 314                          */
 315                         pixclock = PICOS2KHZ(modedb->pixclock);
 316                         pixclock /= 250;
 317                         pixclock *= 250;
 318                         pixclock *= 1000;
 319                         if (pixclock == 148250000)
 320                                 pixclock = 148500000;
 321                         if (pixclock > specs->dclkmax)
 322                                 specs->dclkmax = pixclock;
 323                 }
 324
 325                 for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 326                         if (modedb) {
 327                                 if ((hdmi_mode[i].pixclock < specs->dclkmin) ||
 328                                     (hdmi_mode[i].pixclock > specs->dclkmax) ||
 329                                     (hdmi_mode[i].refresh < specs->vfmin) ||
 330                                     (hdmi_mode[i].refresh > specs->vfmax) ||
 331                                     (hdmi_mode[i].xres > modedb->xres) ||
 332                                     (hdmi_mode[i].yres > modedb->yres))
 333                                         continue;
 334                         }
 335                         hdmi_add_videomode(&hdmi_mode[i], head);
 336                 }
 337         }
 338 #ifdef HDMI_DEBUG
 339         hdmi_show_sink_info(hdmi);
 340 #endif
 341         return HDMI_ERROR_SUCESS;
 342 }
 343
 344 /**
 345  * hdmi_videomode_compare - compare 2 videomodes
 346  * @mode1: first videomode
 347  * @mode2: second videomode
 348  *
 349  * RETURNS:
 350  * 1 if mode1 > mode2, 0 if mode1 = mode2, -1 mode1 < mode2
 351  */
 352 static int hdmi_videomode_compare(const struct fb_videomode *mode1,
 353                                   const struct fb_videomode *mode2)
 354 {
 355         if (mode1->xres > mode2->xres)
 356                 return 1;
 357         else if (mode1->xres == mode2->xres) {
 358                 if (mode1->yres > mode2->yres)
 359                         return 1;
 360                 else if (mode1->yres == mode2->yres) {
 361                         if (mode1->pixclock > mode2->pixclock)
 362                                 return 1;
 363                         else if (mode1->pixclock == mode2->pixclock) {
 364                                 if (mode1->refresh > mode2->refresh)
 365                                         return 1;
 366                                 else if (mode1->refresh == mode2->refresh)
 367                                         return 0;
 368                         }
 369                 }
 370         }
 371         return -1;
 372 }
 373
 374 /**
 375  * hdmi_add_videomode: adds videomode entry to modelist
 376  * @mode: videomode to add
 377  * @head: struct list_head of modelist
 378  *
 379  * NOTES:
 380  * Will only add unmatched mode entries
 381  */
 382 int hdmi_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 383 {
 384         struct list_head *pos;
 385         struct fb_modelist *modelist, *modelist_new;
 386         struct fb_videomode *m;
 387         int i, found = 0;
 388
 389         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 390                 m = (struct fb_videomode *)&hdmi_mode[i];
 391                 if (fb_mode_is_equal(m, mode)) {
 392                         found = 1;
 393                         break;
 394                 }
 395         }
 396
 397         if (found) {
 398                 list_for_each(pos, head) {
 399                         modelist = list_entry(pos, struct fb_modelist, list);
 400                         m = &modelist->mode;
 401                         if (fb_mode_is_equal(m, mode)) {
 402                                 /* m == mode */
 403                                 return 0;
 404                         } else {
 405                                 if (hdmi_videomode_compare(m, mode) == -1)
 406                                         break;
 407                         }
 408                 }
 409
 410                 modelist_new = kmalloc(sizeof(struct fb_modelist), GFP_KERNEL);
 411                 if (!modelist_new)
 412                         return -ENOMEM;
 413                 modelist_new->mode = hdmi_mode[i];
 414                 list_add_tail(&modelist_new->list, pos);
 415         }
 416
 417         return 0;
 418 }
 419
 420 /**
 421  * hdmi_videomode_to_vic: transverse video mode to vic
 422  * @vmode: videomode to transverse
 423  *
 424  */
 425 int hdmi_videomode_to_vic(struct fb_videomode *vmode)
 426 {
 427         unsigned char vic = 0;
 428         int i = 0;
 429
 430         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 431                 if (vmode->vmode == hdmi_mode[i].vmode &&
 432                     vmode->refresh == hdmi_mode[i].refresh &&
 433                     vmode->xres == hdmi_mode[i].xres &&
 434                     vmode->left_margin == hdmi_mode[i].left_margin &&
 435                     vmode->right_margin == hdmi_mode[i].right_margin &&
 436                     vmode->upper_margin == hdmi_mode[i].upper_margin &&
 437                     vmode->lower_margin == hdmi_mode[i].lower_margin &&
 438                     vmode->hsync_len == hdmi_mode[i].hsync_len &&
 439                     vmode->vsync_len == hdmi_mode[i].vsync_len) {
 440                         if ((vmode->vmode == FB_VMODE_NONINTERLACED
 441                              && vmode->yres == hdmi_mode[i].yres)
 442                             || (vmode->vmode == FB_VMODE_INTERLACED
 443                                 && vmode->yres == hdmi_mode[i].yres / 2)) {
 444                                 vic = hdmi_mode[i].flag;
 445                                 break;
 446                         }
 447                 }
 448         }
 449         return vic;
 450 }
 451
 452 /**
 453  * hdmi_vic_to_videomode: transverse vic mode to video mode
 454  * @vmode: vic to transverse
 455  *
 456  */
 457 const struct fb_videomode *hdmi_vic_to_videomode(int vic)
 458 {
 459         int i;
 460
 461         if (vic == 0)
 462                 return NULL;
 463
 464         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 465                 if (hdmi_mode[i].flag == vic)
 466                         return &hdmi_mode[i];
 467         }
 468         return NULL;
 469 }
 470
 471 /**
 472  * hdmi_find_best_mode: find the video mode nearest to input vic
 473  * @hdmi:
 474  * @vic: input vic
 475  *
 476  * NOTES:
 477  * If vic is zero, return the high resolution video mode vic.
 478  */
 479 int hdmi_find_best_mode(struct hdmi *hdmi, int vic)
 480 {
 481         struct list_head *pos, *head = &hdmi->edid.modelist;
 482         struct fb_modelist *modelist;
 483         struct fb_videomode *m = NULL;
 484         int found = 0;
 485
 486         if (vic) {
 487                 list_for_each(pos, head) {
 488                         modelist = list_entry(pos, struct fb_modelist, list);
 489                         m = &modelist->mode;
 490                         if (m->flag == vic) {
 491                                 found = 1;
 492                                 break;
 493                         }
 494                 }
 495         }
 496         if ((vic == 0 || found == 0) && head->next != head) {
 497                 modelist = list_entry(head->next, struct fb_modelist, list);
 498                 m = &modelist->mode;
 499         }
 500         if (m != NULL)
 501                 return m->flag;
 502         else
 503                 return 0;
 504 }
 505
 506 const char *hdmi_get_video_mode_name(unsigned char vic)
 507 {
 508         int i;
 509
 510         for (i = 0; i < ARRAY_SIZE(hdmi_mode); i++) {
 511                 if (vic == hdmi_mode[i].flag)
 512                         break;
 513         }
 514         if (i == ARRAY_SIZE(hdmi_mode))
 515                 return NULL;
 516         else
 517                 return hdmi_mode[i].name;
 518 }
 519
 520 /**
 521  * hdmi_switch_fb: switch lcdc mode to required video mode
 522  * @hdmi:
 523  * @type:
 524  *
 525  * NOTES:
 526  *
 527  */
 528 int hdmi_switch_fb(struct hdmi *hdmi, int vic)
 529 {
 530         int rc = 0;
 531         struct rk_screen *screen;
 532
 533         screen = kzalloc(sizeof(struct rk_screen), GFP_KERNEL);
 534         if (screen == NULL)
 535                 return -1;
 536
 537         if (hdmi->vic == 0)
 538                 hdmi->vic = HDMI_VIDEO_DEFAULT_MODE;
 539
 540         rc = hdmi_set_info(screen, hdmi->vic);
 541
 542         if (rc == 0) {
 543                 if (hdmi->set_vif)      /* turn off vif for jettab */
 544                         hdmi->set_vif(hdmi, screen, 0);
 545                 rk_fb_switch_screen(screen, 1, hdmi->lcdc->id);
 546                 rk_fb_disp_scale(hdmi->xscale, hdmi->yscale, hdmi->lcdc->id);
 547                 if (hdmi->set_vif)
 548                         hdmi->set_vif(hdmi, screen, 1);
 549
 550         }
 551
 552         kfree(screen);
 553
 554         return rc;
 555 }
 556
 557 /**
 558  * hdmi_init_video_para: init video_para variable
 559  *
 560  * NOTES:
 561  *This parameters should be modified according to need by user
 562  */
 563 int hdmi_init_video_para(struct hdmi *hdmi_drv, struct hdmi_video_para *video)
 564 {
 565         memset(video, 0, sizeof(struct hdmi_video_para));
 566         video->vic = hdmi_drv->vic;
 567         video->input_mode = VIDEO_INPUT_RGB_YCBCR_444;
 568         video->input_color = VIDEO_INPUT_COLOR_RGB;
 569         video->output_mode = hdmi_drv->edid.sink_hdmi;
 570         video->format_3d = 0;   /* TODO modify according to EDID if need */
 571         video->pixel_repet = 0;
 572         /* 0:IT Video Format  1:CE Video Format
 573          * TODO modify according to EDID
 574          */
 575         video->color_limit_range = 1;
 576
 577 #ifdef SOURCE_ABOVE_10BIT
 578         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_16BIT)
 579                 video->color_depth = HDMI_COLOR_DEPTH_16BIT;
 580         else if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_12BIT)
 581                 video->color_depth = HDMI_COLOR_DEPTH_12BIT;
 582         else
 583 #endif
 584         if (hdmi_drv->edid.deepcolor & HDMI_COLOR_DEPTH_10BIT)
 585                 video->color_depth = HDMI_COLOR_DEPTH_10BIT;
 586         else
 587                 video->color_depth = HDMI_COLOR_DEPTH_8BIT;
 588
 589         if (hdmi_drv->edid.ycbcr444)
 590                 video->output_color = VIDEO_OUTPUT_YCBCR444;
 591         else if (hdmi_drv->edid.ycbcr422)
 592                 video->output_color = VIDEO_OUTPUT_YCBCR422;
 593         else
 594                 video->output_color = VIDEO_OUTPUT_RGB444;
 595
 596         /*For DVI, output RGB */
 597         if (hdmi_drv->edid.sink_hdmi == 0)
 598                 video->output_color = VIDEO_OUTPUT_RGB444;
 599
 600         return 0;
 601 }
 602
 603 /**
 604  * hdmi_drv_register: init hdmi_drv variable
 605  *
 606  * NOTES:
 607  *
 608  */
 609 int hdmi_drv_register(struct hdmi *hdmi_drv)
 610 {
 611         m_hdmi_drv = hdmi_drv;
 612         return 0;
 613 }
 614
 615 /**
 616  * hdmi_get_status: get hdmi hotplug status
 617  *
 618  * NOTES:
 619  *
 620  */
 621 int hdmi_get_hotplug(void)
 622 {
 623         if (m_hdmi_drv)
 624                 return m_hdmi_drv->hotplug;
 625         else
 626                 return HDMI_HPD_REMOVED;
 627 }