cpu/mpc8xx/video.c

   1 /*
   2  * (C) Copyright 2000
   3  * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
   4  * (C) Copyright 2002
   5  * Wolfgang Denk, wd@denx.de
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 /* #define DEBUG */
  27
  28 /************************************************************************/
  29 /* ** HEADER FILES                                                      */
  30 /************************************************************************/
  31
  32 #include <stdarg.h>
  33 #include <common.h>
  34 #include <config.h>
  35 #include <version.h>
  36 #include <i2c.h>
  37 #include <linux/types.h>
  38 #include <devices.h>
  39
  40 #ifdef CONFIG_VIDEO
  41
  42 DECLARE_GLOBAL_DATA_PTR;
  43
  44 /************************************************************************/
  45 /* ** DEBUG SETTINGS                                                    */
  46 /************************************************************************/
  47
  48 #if 0
  49 #define VIDEO_DEBUG_COLORBARS   /* Force colorbars output */
  50 #endif
  51
  52 /************************************************************************/
  53 /* ** VIDEO MODE SETTINGS                                               */
  54 /************************************************************************/
  55
  56 #if 0
  57 #define VIDEO_MODE_EXTENDED             /* Allow screen size bigger than visible area */
  58 #define VIDEO_MODE_NTSC
  59 #endif
  60
  61 #define VIDEO_MODE_PAL
  62
  63 #if 0
  64 #define VIDEO_BLINK                     /* This enables cursor blinking (under construction) */
  65 #endif
  66
  67 #define VIDEO_INFO                      /* Show U-Boot information */
  68 #define VIDEO_INFO_X            VIDEO_LOGO_WIDTH+8
  69 #define VIDEO_INFO_Y            16
  70
  71 /************************************************************************/
  72 /* ** VIDEO ENCODER CONSTANTS                                           */
  73 /************************************************************************/
  74
  75 #ifdef CONFIG_VIDEO_ENCODER_AD7176
  76
  77 #include <video_ad7176.h>       /* Sets encoder data, mode, and visible and active area */
  78
  79 #define VIDEO_I2C               1
  80 #define VIDEO_I2C_ADDR          CONFIG_VIDEO_ENCODER_AD7176_ADDR
  81 #endif
  82
  83 #ifdef CONFIG_VIDEO_ENCODER_AD7177
  84
  85 #include <video_ad7177.h>       /* Sets encoder data, mode, and visible and active area */
  86
  87 #define VIDEO_I2C               1
  88 #define VIDEO_I2C_ADDR          CONFIG_VIDEO_ENCODER_AD7177_ADDR
  89 #endif
  90
  91 #ifdef CONFIG_VIDEO_ENCODER_AD7179
  92
  93 #include <video_ad7179.h>       /* Sets encoder data, mode, and visible and active area */
  94
  95 #define VIDEO_I2C               1
  96 #define VIDEO_I2C_ADDR          CONFIG_VIDEO_ENCODER_AD7179_ADDR
  97 #endif
  98
  99 /************************************************************************/
 100 /* ** VIDEO MODE CONSTANTS                                              */
 101 /************************************************************************/
 102
 103 #ifdef VIDEO_MODE_EXTENDED
 104 #define VIDEO_COLS      VIDEO_ACTIVE_COLS
 105 #define VIDEO_ROWS      VIDEO_ACTIVE_ROWS
 106 #else
 107 #define VIDEO_COLS      VIDEO_VISIBLE_COLS
 108 #define VIDEO_ROWS      VIDEO_VISIBLE_ROWS
 109 #endif
 110
 111 #define VIDEO_PIXEL_SIZE        (VIDEO_MODE_BPP/8)
 112 #define VIDEO_SIZE              (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE)        /* Total size of buffer */
 113 #define VIDEO_PIX_BLOCKS        (VIDEO_SIZE >> 2)       /* Number of ints */
 114 #define VIDEO_LINE_LEN          (VIDEO_COLS*VIDEO_PIXEL_SIZE)   /* Number of bytes per line */
 115 #define VIDEO_BURST_LEN         (VIDEO_COLS/8)
 116
 117 #ifdef VIDEO_MODE_YUYV
 118 #define VIDEO_BG_COL    0x80D880D8      /* Background color in YUYV format */
 119 #else
 120 #define VIDEO_BG_COL    0xF8F8F8F8      /* Background color in RGB format */
 121 #endif
 122
 123 /************************************************************************/
 124 /* ** FONT AND LOGO DATA                                                */
 125 /************************************************************************/
 126
 127 #include <video_font.h>                 /* Get font data, width and height */
 128
 129 #ifdef CONFIG_VIDEO_LOGO
 130 #include <video_logo.h>                 /* Get logo data, width and height */
 131
 132 #define VIDEO_LOGO_WIDTH        DEF_U_BOOT_LOGO_WIDTH
 133 #define VIDEO_LOGO_HEIGHT       DEF_U_BOOT_LOGO_HEIGHT
 134 #define VIDEO_LOGO_ADDR         &u_boot_logo
 135 #endif
 136
 137 /************************************************************************/
 138 /* ** VIDEO CONTROLLER CONSTANTS                                        */
 139 /************************************************************************/
 140
 141 /* VCCR - VIDEO CONTROLLER CONFIGURATION REGISTER */
 142
 143 #define VIDEO_VCCR_VON  0               /* Video controller ON */
 144 #define VIDEO_VCCR_CSRC 1               /* Clock source */
 145 #define VIDEO_VCCR_PDF  13              /* Pixel display format */
 146 #define VIDEO_VCCR_IEN  11              /* Interrupt enable */
 147
 148 /* VSR - VIDEO STATUS REGISTER */
 149
 150 #define VIDEO_VSR_CAS   6               /* Active set */
 151 #define VIDEO_VSR_EOF   0               /* End of frame */
 152
 153 /* VCMR - VIDEO COMMAND REGISTER */
 154
 155 #define VIDEO_VCMR_BD   0               /* Blank display */
 156 #define VIDEO_VCMR_ASEL 1               /* Active set selection */
 157
 158 /* VBCB - VIDEO BACKGROUND COLOR BUFFER REGISTER */
 159
 160 #define VIDEO_BCSR4_RESET_BIT   21      /* BCSR4 - Extern video encoder reset */
 161 #define VIDEO_BCSR4_EXTCLK_BIT  22      /* BCSR4 - Extern clock enable */
 162 #define VIDEO_BCSR4_VIDLED_BIT  23      /* BCSR4 - Video led disable */
 163
 164 /************************************************************************/
 165 /* ** CONSOLE CONSTANTS                                                 */
 166 /************************************************************************/
 167
 168 #ifdef  CONFIG_VIDEO_LOGO
 169 #define CONSOLE_ROWS            ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT)
 170 #define VIDEO_LOGO_SKIP         (VIDEO_COLS - VIDEO_LOGO_WIDTH)
 171 #else
 172 #define CONSOLE_ROWS            (VIDEO_ROWS / VIDEO_FONT_HEIGHT)
 173 #endif
 174
 175 #define CONSOLE_COLS            (VIDEO_COLS / VIDEO_FONT_WIDTH)
 176 #define CONSOLE_ROW_SIZE        (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
 177 #define CONSOLE_ROW_FIRST       (video_console_address)
 178 #define CONSOLE_ROW_SECOND      (video_console_address + CONSOLE_ROW_SIZE)
 179 #define CONSOLE_ROW_LAST        (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
 180 #define CONSOLE_SIZE            (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
 181 #define CONSOLE_SCROLL_SIZE     (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
 182
 183 /*
 184  * Simple color definitions
 185  */
 186 #define CONSOLE_COLOR_BLACK      0
 187 #define CONSOLE_COLOR_RED        1
 188 #define CONSOLE_COLOR_GREEN      2
 189 #define CONSOLE_COLOR_YELLOW     3
 190 #define CONSOLE_COLOR_BLUE       4
 191 #define CONSOLE_COLOR_MAGENTA    5
 192 #define CONSOLE_COLOR_CYAN       6
 193 #define CONSOLE_COLOR_GREY      13
 194 #define CONSOLE_COLOR_GREY2     14
 195 #define CONSOLE_COLOR_WHITE     15      /* Must remain last / highest */
 196
 197 /************************************************************************/
 198 /* ** BITOPS MACROS                                                     */
 199 /************************************************************************/
 200
 201 #define HISHORT(i)      ((i >> 16)&0xffff)
 202 #define LOSHORT(i)      (i & 0xffff)
 203 #define HICHAR(s)       ((i >> 8)&0xff)
 204 #define LOCHAR(s)       (i & 0xff)
 205 #define HI(c)           ((c >> 4)&0xf)
 206 #define LO(c)           (c & 0xf)
 207 #define SWAPINT(i)      (HISHORT(i) | (LOSHORT(i) << 16))
 208 #define SWAPSHORT(s)    (HICHAR(s) | (LOCHAR(s) << 8))
 209 #define SWAPCHAR(c)     (HI(c) | (LO(c) << 4))
 210 #define BITMASK(b)      (1 << (b))
 211 #define GETBIT(v,b)     (((v) & BITMASK(b)) > 0)
 212 #define SETBIT(v,b,d)   (v = (((d)>0) ? (v) | BITMASK(b): (v) & ~BITMASK(b)))
 213
 214 /************************************************************************/
 215 /* ** STRUCTURES                                                        */
 216 /************************************************************************/
 217
 218 typedef struct {
 219         unsigned char V, Y1, U, Y2;
 220 } tYUYV;
 221
 222 /* This structure is based on the Video Ram in the MPC823. */
 223 typedef struct VRAM {
 224         unsigned        hx:2,           /* Horizontal sync */
 225                         vx:2,           /* Vertical sync */
 226                         fx:2,           /* Frame */
 227                         bx:2,           /* Blank */
 228                         res1:6,         /* Reserved */
 229                         vds:2,          /* Video Data Select */
 230                         inter:1,        /* Interrupt */
 231                         res2:2,         /* Reserved */
 232                         lcyc:11,        /* Loop/video cycles */
 233                         lp:1,           /* Loop start/end */
 234                         lst:1;          /* Last entry */
 235 } VRAM;
 236
 237 /************************************************************************/
 238 /* ** VARIABLES                                                         */
 239 /************************************************************************/
 240
 241 static int
 242         video_panning_range_x = 0,      /* Video mode invisible pixels x range */
 243         video_panning_range_y = 0,      /* Video mode invisible pixels y range */
 244         video_panning_value_x = 0,      /* Video mode x panning value (absolute) */
 245         video_panning_value_y = 0,      /* Video mode y panning value (absolute) */
 246         video_panning_factor_x = 0,     /* Video mode x panning value (-127 +127) */
 247         video_panning_factor_y = 0,     /* Video mode y panning value (-127 +127) */
 248         console_col = 0,                /* Cursor col */
 249         console_row = 0,                /* Cursor row */
 250         video_palette[16];              /* Our palette */
 251
 252 static const int video_font_draw_table[] =
 253         { 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff };
 254
 255 static char
 256         video_color_fg = 0,             /* Current fg color index (0-15) */
 257         video_color_bg = 0,             /* Current bg color index (0-15) */
 258         video_enable = 0;               /* Video has been initialized? */
 259
 260 static void
 261         *video_fb_address,              /* Frame buffer address */
 262         *video_console_address;         /* Console frame buffer start address */
 263
 264 /************************************************************************/
 265 /* ** MEMORY FUNCTIONS (32bit)                                          */
 266 /************************************************************************/
 267
 268 static void memsetl (int *p, int c, int v)
 269 {
 270         while (c--)
 271                 *(p++) = v;
 272 }
 273
 274 static void memcpyl (int *d, int *s, int c)
 275 {
 276         while (c--)
 277                 *(d++) = *(s++);
 278 }
 279
 280 /************************************************************************/
 281 /* ** VIDEO DRAWING AND COLOR FUNCTIONS                                 */
 282 /************************************************************************/
 283
 284 static int video_maprgb (int r, int g, int b)
 285 {
 286 #ifdef VIDEO_MODE_YUYV
 287         unsigned int pR, pG, pB;
 288         tYUYV YUYV;
 289         unsigned int *ret = (unsigned int *) &YUYV;
 290
 291         /* Transform (0-255) components to (0-100) */
 292
 293         pR = r * 100 / 255;
 294         pG = g * 100 / 255;
 295         pB = b * 100 / 255;
 296
 297         /* Calculate YUV values (0-255) from RGB beetween 0-100 */
 298
 299         YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16;
 300         YUYV.U  = pR - (pG * 3 / 4) - (pB / 4) + 128;
 301         YUYV.V  = pB - (pR / 4) - (pG * 3 / 4) + 128;
 302         return *ret;
 303 #endif
 304 #ifdef VIDEO_MODE_RGB
 305         return ((r >> 3) << 11) | ((g > 2) << 6) | (b >> 3);
 306 #endif
 307 }
 308
 309 static void video_setpalette (int color, int r, int g, int b)
 310 {
 311         color &= 0xf;
 312
 313         video_palette[color] = video_maprgb (r, g, b);
 314
 315         /* Swap values if our panning offset is odd */
 316         if (video_panning_value_x & 1)
 317                 video_palette[color] = SWAPINT (video_palette[color]);
 318 }
 319
 320 static void video_fill (int color)
 321 {
 322         memsetl (video_fb_address, VIDEO_PIX_BLOCKS, color);
 323 }
 324
 325 static void video_setfgcolor (int i)
 326 {
 327         video_color_fg = i & 0xf;
 328 }
 329
 330 static void video_setbgcolor (int i)
 331 {
 332         video_color_bg = i & 0xf;
 333 }
 334
 335 static int video_pickcolor (int i)
 336 {
 337         return video_palette[i & 0xf];
 338 }
 339
 340 /* Absolute console plotting functions */
 341
 342 #ifdef VIDEO_BLINK
 343 static void video_revchar (int xx, int yy)
 344 {
 345         int rows;
 346         u8 *dest;
 347
 348         dest = video_fb_address + yy * VIDEO_LINE_LEN + xx * 2;
 349
 350         for (rows = VIDEO_FONT_HEIGHT; rows--; dest += VIDEO_LINE_LEN) {
 351                 switch (VIDEO_FONT_WIDTH) {
 352                 case 16:
 353                         ((u32 *) dest)[6] ^= 0xffffffff;
 354                         ((u32 *) dest)[7] ^= 0xffffffff;
 355                         /* FALL THROUGH */
 356                 case 12:
 357                         ((u32 *) dest)[4] ^= 0xffffffff;
 358                         ((u32 *) dest)[5] ^= 0xffffffff;
 359                         /* FALL THROUGH */
 360                 case 8:
 361                         ((u32 *) dest)[2] ^= 0xffffffff;
 362                         ((u32 *) dest)[3] ^= 0xffffffff;
 363                         /* FALL THROUGH */
 364                 case 4:
 365                         ((u32 *) dest)[0] ^= 0xffffffff;
 366                         ((u32 *) dest)[1] ^= 0xffffffff;
 367                 }
 368         }
 369 }
 370 #endif
 371
 372 static void video_drawchars (int xx, int yy, unsigned char *s, int count)
 373 {
 374         u8 *cdat, *dest, *dest0;
 375         int rows, offset, c;
 376         u32 eorx, fgx, bgx;
 377
 378         offset = yy * VIDEO_LINE_LEN + xx * 2;
 379         dest0 = video_fb_address + offset;
 380
 381         fgx = video_pickcolor (video_color_fg);
 382         bgx = video_pickcolor (video_color_bg);
 383
 384         if (xx & 1) {
 385                 fgx = SWAPINT (fgx);
 386                 bgx = SWAPINT (bgx);
 387         }
 388
 389         eorx = fgx ^ bgx;
 390
 391         switch (VIDEO_FONT_WIDTH) {
 392         case 4:
 393         case 8:
 394                 while (count--) {
 395                         c = *s;
 396                         cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
 397                         for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
 398                              rows--;
 399                              dest += VIDEO_LINE_LEN) {
 400                                 u8 bits = *cdat++;
 401
 402                                 ((u32 *) dest)[0] =
 403                                         (video_font_draw_table[bits >> 6] & eorx) ^ bgx;
 404                                 ((u32 *) dest)[1] =
 405                                         (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
 406                                 if (VIDEO_FONT_WIDTH == 8) {
 407                                         ((u32 *) dest)[2] =
 408                                                 (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
 409                                         ((u32 *) dest)[3] =
 410                                                 (video_font_draw_table[bits & 3] & eorx) ^ bgx;
 411                                 }
 412                         }
 413                         dest0 += VIDEO_FONT_WIDTH * 2;
 414                         s++;
 415                 }
 416                 break;
 417         case 12:
 418         case 16:
 419                 while (count--) {
 420                         cdat = video_fontdata + (*s) * (VIDEO_FONT_HEIGHT << 1);
 421                         for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--;
 422                                  dest += VIDEO_LINE_LEN) {
 423                                 u8 bits = *cdat++;
 424
 425                                 ((u32 *) dest)[0] =
 426                                         (video_font_draw_table[bits >> 6] & eorx) ^ bgx;
 427                                 ((u32 *) dest)[1] =
 428                                         (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
 429                                 ((u32 *) dest)[2] =
 430                                         (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
 431                                 ((u32 *) dest)[3] =
 432                                         (video_font_draw_table[bits & 3] & eorx) ^ bgx;
 433                                 bits = *cdat++;
 434                                 ((u32 *) dest)[4] =
 435                                         (video_font_draw_table[bits >> 6] & eorx) ^ bgx;
 436                                 ((u32 *) dest)[5] =
 437                                         (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx;
 438                                 if (VIDEO_FONT_WIDTH == 16) {
 439                                         ((u32 *) dest)[6] =
 440                                                 (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx;
 441                                         ((u32 *) dest)[7] =
 442                                                 (video_font_draw_table[bits & 3] & eorx) ^ bgx;
 443                                 }
 444                         }
 445                         s++;
 446                         dest0 += VIDEO_FONT_WIDTH * 2;
 447                 }
 448                 break;
 449         }
 450 }
 451
 452 static inline void video_drawstring (int xx, int yy, char *s)
 453 {
 454         video_drawchars (xx, yy, (unsigned char *)s, strlen (s));
 455 }
 456
 457 /* Relative to console plotting functions */
 458
 459 static void video_putchars (int xx, int yy, unsigned char *s, int count)
 460 {
 461 #ifdef CONFIG_VIDEO_LOGO
 462         video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, s, count);
 463 #else
 464         video_drawchars (xx, yy, s, count);
 465 #endif
 466 }
 467
 468 static void video_putchar (int xx, int yy, unsigned char c)
 469 {
 470 #ifdef CONFIG_VIDEO_LOGO
 471         video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1);
 472 #else
 473         video_drawchars (xx, yy, &c, 1);
 474 #endif
 475 }
 476
 477 static inline void video_putstring (int xx, int yy, unsigned char *s)
 478 {
 479         video_putchars (xx, yy, (unsigned char *)s, strlen ((char *)s));
 480 }
 481
 482 /************************************************************************/
 483 /* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS                              */
 484 /************************************************************************/
 485
 486 #if !defined(CONFIG_RRVISION)
 487 static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries)
 488 {
 489         int i;
 490
 491         for (i = 0; i < entries; i++) {
 492                 dest[i] = source[i];    /* Copy the entire record */
 493                 dest[i].fx = (!dest[i].fx) * 3; /* Negate field bit */
 494         }
 495
 496         dest[0].lcyc++;                 /* Add a cycle to the first entry */
 497         dest[entries - 1].lst = 1;      /* Set end of ram entries */
 498 }
 499 #endif
 500
 501 static void inline video_mode_addentry (VRAM * vr,
 502         int Hx, int Vx, int Fx, int Bx,
 503         int VDS, int INT, int LCYC, int LP, int LST)
 504 {
 505         vr->hx = Hx;
 506         vr->vx = Vx;
 507         vr->fx = Fx;
 508         vr->bx = Bx;
 509         vr->vds = VDS;
 510         vr->inter = INT;
 511         vr->lcyc = LCYC;
 512         vr->lp = LP;
 513         vr->lst = LST;
 514 }
 515
 516 #define ADDENTRY(a,b,c,d,e,f,g,h,i)     video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i)
 517
 518 static int video_mode_generate (void)
 519 {
 520         immap_t *immap = (immap_t *) CFG_IMMR;
 521         VRAM *vr = (VRAM *) (((void *) immap) + 0xb00); /* Pointer to the VRAM table */
 522         int DX, X1, X2, DY, Y1, Y2, entry = 0, fifo;
 523
 524         /* CHECKING PARAMETERS */
 525
 526         if (video_panning_factor_y < -128)
 527                 video_panning_factor_y = -128;
 528
 529         if (video_panning_factor_y > 128)
 530                 video_panning_factor_y = 128;
 531
 532         if (video_panning_factor_x < -128)
 533                 video_panning_factor_x = -128;
 534
 535         if (video_panning_factor_x > 128)
 536                 video_panning_factor_x = 128;
 537
 538         /* Setting panning */
 539
 540         DX = video_panning_range_x = (VIDEO_ACTIVE_COLS - VIDEO_COLS) * 2;
 541         DY = video_panning_range_y = (VIDEO_ACTIVE_ROWS - VIDEO_ROWS) / 2;
 542
 543         video_panning_value_x = (video_panning_factor_x + 128) * DX / 256;
 544         video_panning_value_y = (video_panning_factor_y + 128) * DY / 256;
 545
 546         /* We assume these are burst units (multiplied by 2, we need it pari) */
 547         X1 = video_panning_value_x & 0xfffe;
 548         X2 = DX - X1;
 549
 550         /* We assume these are field line units (divided by 2, we need it pari) */
 551         Y1 = video_panning_value_y & 0xfffe;
 552         Y2 = DY - Y1;
 553
 554         debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n",
 555               X1, X2, Y1, Y2, DX, DY, VIDEO_COLS);
 556
 557 #ifdef VIDEO_MODE_NTSC
 558 /*
 559  *           Hx Vx Fx Bx VDS INT LCYC LP LST
 560  *
 561  * Retrace blanking
 562  */
 563         ADDENTRY (0, 0, 3, 0, 1, 0, 3, 1, 0);
 564         ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
 565         ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
 566         ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
 567 /*
 568  * Vertical blanking
 569  */
 570         ADDENTRY (0, 0, 0, 0, 1, 0, 18, 1, 0);
 571         ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
 572         ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
 573         ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
 574 /*
 575  * Odd field active area (TOP)
 576  */
 577         if (Y1 > 0) {
 578                 ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0);
 579                 ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
 580                 ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
 581                 ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
 582         }
 583 /*
 584  * Odd field active area
 585  */
 586         ADDENTRY (0, 0, 0, 0, 1, 0, 240 - DY, 1, 0);
 587         ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
 588         ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
 589         ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
 590
 591         if (X2 > 0)
 592                 ADDENTRY (3, 0, 0, 3, 1, 0, X2, 0, 0);
 593
 594         ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
 595
 596 /*
 597  * Odd field active area (BOTTOM)
 598  */
 599         if (Y1 > 0) {
 600                 ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0);
 601                 ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0);
 602                 ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
 603                 ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
 604         }
 605 /*
 606  * Vertical blanking
 607  */
 608         ADDENTRY (0, 0, 0, 0, 1, 0, 4, 1, 0);
 609         ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0);
 610         ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
 611         ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0);
 612 /*
 613  * Vertical blanking
 614  */
 615         ADDENTRY (0, 0, 3, 0, 1, 0, 19, 1, 0);
 616         ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
 617         ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
 618         ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
 619 /*
 620  * Even field active area (TOP)
 621  */
 622         if (Y1 > 0) {
 623                 ADDENTRY (0, 0, 3, 0, 1, 0, Y1, 1, 0);
 624                 ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
 625                 ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
 626                 ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
 627         }
 628 /*
 629  * Even field active area (CENTER)
 630  */
 631         ADDENTRY (0, 0, 3, 0, 1, 0, 240 - DY, 1, 0);
 632         ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
 633         ADDENTRY (3, 0, 3, 3, 1, 0, 8 + X1, 0, 0);
 634         ADDENTRY (3, 0, 3, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
 635
 636         if (X2 > 0)
 637                 ADDENTRY (3, 0, 3, 3, 1, 0, X2, 0, 0);
 638
 639         ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
 640 /*
 641  * Even field active area (BOTTOM)
 642  */
 643         if (Y1 > 0) {
 644                 ADDENTRY (0, 0, 3, 0, 1, 0, Y2, 1, 0);
 645                 ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0);
 646                 ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0);
 647                 ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0);
 648         }
 649 /*
 650  * Vertical blanking
 651  */
 652         ADDENTRY (0, 0, 3, 0, 1, 0, 1, 1, 0);
 653         ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0);
 654         ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0);
 655         ADDENTRY (3, 0, 3, 0, 1, 1, 32, 1, 1);
 656 #endif
 657
 658 #ifdef VIDEO_MODE_PAL
 659
 660 #if defined(CONFIG_RRVISION)
 661
 662 #define HPW   160  /* horizontal pulse width (was 139)  */
 663 #define VPW     2  /* vertical pulse width              */
 664 #define HBP   104  /* horizontal back porch (was 112)   */
 665 #define VBP    19  /* vertical back porch (was 19)      */
 666 #define VID_R 240  /* number of rows                    */
 667
 668         debug ("[VIDEO CTRL] Starting to add controller entries...");
 669 /*
 670  * Even field
 671  */
 672         ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0);
 673         ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0);
 674         ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0);
 675
 676         ADDENTRY (0, 0, 0, 3, 1, 0, VPW, 1, 0);
 677         ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0);
 678         ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
 679
 680         ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0);
 681         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 682         ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
 683 /*
 684  * Active area
 685  */
 686         ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0);
 687         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 688         ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0);
 689         ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0);
 690         ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1);
 691
 692         ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0);
 693         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 694         ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0);
 695 /*
 696  * Odd field
 697  */
 698         ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0);
 699         ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0);
 700         ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0);
 701
 702         ADDENTRY (0, 0, 0, 3, 1, 0, VPW+1, 1, 0);
 703         ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0);
 704         ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
 705
 706         ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0);
 707         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 708         ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0);
 709 /*
 710  * Active area
 711  */
 712         ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0);
 713         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 714         ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0);
 715         ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0);
 716         ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1);
 717
 718         ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0);
 719         ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0);
 720         ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0);
 721
 722         debug ("done\n");
 723
 724 #else  /* !CONFIG_RRVISION */
 725
 726 /*
 727  *      Hx Vx Fx Bx VDS INT LCYC LP LST
 728  *
 729  * vertical; blanking
 730  */
 731         ADDENTRY (0, 0, 0, 0, 1, 0, 22, 1, 0);
 732         ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
 733         ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
 734         ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
 735 /*
 736  * active area (TOP)
 737  */
 738         if (Y1 > 0) {
 739                 ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0);  /* 11? */
 740                 ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
 741                 ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
 742                 ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
 743         }
 744 /*
 745  * field active area (CENTER)
 746  */
 747         ADDENTRY (0, 0, 0, 0, 1, 0, 288 - DY, 1, 0);    /* 265? */
 748         ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
 749         ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0);
 750         ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0);
 751
 752         if (X2 > 0)
 753                 ADDENTRY (3, 0, 0, 1, 1, 0, X2, 0, 0);
 754
 755         ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
 756 /*
 757  * field active area (BOTTOM)
 758  */
 759         if (Y2 > 0) {
 760                 ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0);  /* 12? */
 761                 ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0);
 762                 ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0);
 763                 ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
 764         }
 765 /*
 766  * field vertical; blanking
 767  */
 768         ADDENTRY (0, 0, 0, 0, 1, 0, 2, 1, 0);
 769         ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0);
 770         ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0);
 771         ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0);
 772 /*
 773  * Create the other field (like this, but whit other field selected,
 774  * one more cycle loop and a last identifier)
 775  */
 776         video_mode_dupefield (vr, &vr[entry], entry);
 777 #endif /* CONFIG_RRVISION */
 778
 779 #endif /* VIDEO_MODE_PAL */
 780
 781         /* See what FIFO are we using */
 782         fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS);
 783
 784         /* Set number of lines and burst (only one frame for now) */
 785         if (fifo) {
 786                 immap->im_vid.vid_vfcr0 = VIDEO_BURST_LEN |
 787                         (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
 788         } else {
 789                 immap->im_vid.vid_vfcr1 = VIDEO_BURST_LEN |
 790                         (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19);
 791         }
 792
 793         SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_ASEL, !fifo);
 794
 795 /*
 796  * Wait until changes are applied (not done)
 797  * while (GETBIT(immap->im_vid.vid_vsr, VIDEO_VSR_CAS) == fifo) ;
 798  */
 799
 800         /* Return number of VRAM entries */
 801         return entry * 2;
 802 }
 803
 804 static void video_encoder_init (void)
 805 {
 806 #ifdef VIDEO_I2C
 807         int rc;
 808
 809         /* Initialize the I2C */
 810         debug ("[VIDEO ENCODER] Initializing I2C bus...\n");
 811         i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
 812
 813 #ifdef CONFIG_FADS
 814         /* Reset ADV7176 chip */
 815         debug ("[VIDEO ENCODER] Resetting encoder...\n");
 816         (*(int *) BCSR4) &= ~(1 << 21);
 817
 818         /* Wait for 5 ms inside the reset */
 819         debug ("[VIDEO ENCODER] Waiting for encoder reset...\n");
 820         udelay (5000);
 821
 822         /* Take ADV7176 out of reset */
 823         (*(int *) BCSR4) |= 1 << 21;
 824
 825         /* Wait for 5 ms after the reset */
 826         udelay (5000);
 827 #endif  /* CONFIG_FADS */
 828
 829         /* Send configuration */
 830 #ifdef DEBUG
 831         {
 832                 int i;
 833
 834                 puts ("[VIDEO ENCODER] Configuring the encoder...\n");
 835
 836                 printf ("Sending %d bytes (@ %08lX) to I2C 0x%X:\n   ",
 837                         sizeof(video_encoder_data),
 838                         (ulong)video_encoder_data,
 839                         VIDEO_I2C_ADDR);
 840                 for (i=0; i<sizeof(video_encoder_data); ++i) {
 841                         printf(" %02X", video_encoder_data[i]);
 842                 }
 843                 putc ('\n');
 844         }
 845 #endif  /* DEBUG */
 846
 847         if ((rc = i2c_write (VIDEO_I2C_ADDR, 0, 1,
 848                          video_encoder_data,
 849                          sizeof(video_encoder_data))) != 0) {
 850                 printf ("i2c_send error: rc=%d\n", rc);
 851                 return;
 852         }
 853 #endif  /* VIDEO_I2C */
 854         return;
 855 }
 856
 857 static void video_ctrl_init (void *memptr)
 858 {
 859         immap_t *immap = (immap_t *) CFG_IMMR;
 860
 861         video_fb_address = memptr;
 862
 863         /* Set background */
 864         debug ("[VIDEO CTRL] Setting background color...\n");
 865         immap->im_vid.vid_vbcb = VIDEO_BG_COL;
 866
 867         /* Show the background */
 868         debug ("[VIDEO CTRL] Forcing background...\n");
 869         SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 1);
 870
 871         /* Turn off video controller */
 872         debug ("[VIDEO CTRL] Turning off video controller...\n");
 873         SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 0);
 874
 875 #ifdef CONFIG_FADS
 876         /* Turn on Video Port LED */
 877         debug ("[VIDEO CTRL] Turning off video port led...\n");
 878         SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 1);
 879
 880         /* Disable internal clock */
 881         debug ("[VIDEO CTRL] Disabling internal clock...\n");
 882         SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 0);
 883 #endif
 884
 885         /* Generate and make active a new video mode */
 886         debug ("[VIDEO CTRL] Generating video mode...\n");
 887         video_mode_generate ();
 888
 889         /* Start of frame buffer (even and odd frame, to make it working with */
 890         /* any selected active set) */
 891         debug ("[VIDEO CTRL] Setting frame buffer address...\n");
 892         immap->im_vid.vid_vfaa1 =
 893                 immap->im_vid.vid_vfaa0 = (u32) video_fb_address;
 894         immap->im_vid.vid_vfba1 =
 895         immap->im_vid.vid_vfba0 =
 896                 (u32) video_fb_address + VIDEO_LINE_LEN;
 897
 898         /* YUV, Big endian, SHIFT/CLK/CLK input (BEFORE ENABLING 27MHZ EXT CLOCK) */
 899         debug ("[VIDEO CTRL] Setting pixel mode and clocks...\n");
 900         immap->im_vid.vid_vccr = 0x2042;
 901
 902         /* Configure port pins */
 903         debug ("[VIDEO CTRL] Configuring input/output pins...\n");
 904         immap->im_ioport.iop_pdpar = 0x1fff;
 905         immap->im_ioport.iop_pddir = 0x0000;
 906
 907 #ifdef CONFIG_FADS
 908         /* Turn on Video Port Clock - ONLY AFTER SET VCCR TO ENABLE EXTERNAL CLOCK */
 909         debug ("[VIDEO CTRL] Turning on video clock...\n");
 910         SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 1);
 911
 912         /* Turn on Video Port LED */
 913         debug ("[VIDEO CTRL] Turning on video port led...\n");
 914         SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 0);
 915 #endif
 916 #ifdef CONFIG_RRVISION
 917         debug ("PC5->Output(1): enable PAL clock");
 918         immap->im_ioport.iop_pcpar &= ~(0x0400);
 919         immap->im_ioport.iop_pcdir |=   0x0400 ;
 920         immap->im_ioport.iop_pcdat |=   0x0400 ;
 921         debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n",
 922                immap->im_ioport.iop_pdpar,
 923                immap->im_ioport.iop_pddir,
 924                immap->im_ioport.iop_pddat);
 925         debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n",
 926                immap->im_ioport.iop_pcpar,
 927                immap->im_ioport.iop_pcdir,
 928                immap->im_ioport.iop_pcdat);
 929 #endif  /* CONFIG_RRVISION */
 930
 931         /* Blanking the screen. */
 932         debug ("[VIDEO CTRL] Blanking the screen...\n");
 933         video_fill (VIDEO_BG_COL);
 934
 935         /*
 936          * Turns on Aggressive Mode. Normally, turning on the caches
 937          * will cause the screen to flicker when the caches try to
 938          * fill. This gives the FIFO's for the Video Controller
 939          * higher priority and prevents flickering because of
 940          * underrun. This may still be an issue when using FLASH,
 941          * since accessing data from Flash is so slow.
 942          */
 943         debug ("[VIDEO CTRL] Turning on aggressive mode...\n");
 944         immap->im_siu_conf.sc_sdcr = 0x40;
 945
 946         /* Turn on video controller */
 947         debug ("[VIDEO CTRL] Turning on video controller...\n");
 948         SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 1);
 949
 950         /* Show the display */
 951         debug ("[VIDEO CTRL] Enabling the video...\n");
 952         SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 0);
 953 }
 954
 955 /************************************************************************/
 956 /* ** CONSOLE FUNCTIONS                                                 */
 957 /************************************************************************/
 958
 959 static void console_scrollup (void)
 960 {
 961         /* Copy up rows ignoring the first one */
 962         memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2);
 963
 964         /* Clear the last one */
 965         memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, VIDEO_BG_COL);
 966 }
 967
 968 static inline void console_back (void)
 969 {
 970         console_col--;
 971
 972         if (console_col < 0) {
 973                 console_col = CONSOLE_COLS - 1;
 974                 console_row--;
 975                 if (console_row < 0)
 976                         console_row = 0;
 977         }
 978
 979         video_putchar ( console_col * VIDEO_FONT_WIDTH,
 980                         console_row * VIDEO_FONT_HEIGHT, ' ');
 981 }
 982
 983 static inline void console_newline (void)
 984 {
 985         console_row++;
 986         console_col = 0;
 987
 988         /* Check if we need to scroll the terminal */
 989         if (console_row >= CONSOLE_ROWS) {
 990                 /* Scroll everything up */
 991                 console_scrollup ();
 992
 993                 /* Decrement row number */
 994                 console_row--;
 995         }
 996 }
 997
 998 void video_putc (const char c)
 999 {
1000         if (!video_enable) {
1001                 serial_putc (c);
1002                 return;
1003         }
1004
1005         switch (c) {
1006         case 13:                        /* Simply ignore this */
1007                 break;
1008
1009         case '\n':                      /* Next line, please */
1010                 console_newline ();
1011                 break;
1012
1013         case 9:                         /* Tab (8 chars alignment) */
1014                 console_col |= 0x0008;  /* Next 8 chars boundary */
1015                 console_col &= ~0x0007; /* Set this bit to zero */
1016
1017                 if (console_col >= CONSOLE_COLS)
1018                         console_newline ();
1019                 break;
1020
1021         case 8:                         /* Eat last character */
1022                 console_back ();
1023                 break;
1024
1025         default:                        /* Add to the console */
1026                 video_putchar ( console_col * VIDEO_FONT_WIDTH,
1027                                 console_row * VIDEO_FONT_HEIGHT, c);
1028                 console_col++;
1029                 /* Check if we need to go to next row */
1030                 if (console_col >= CONSOLE_COLS)
1031                         console_newline ();
1032         }
1033 }
1034
1035 void video_puts (const char *s)
1036 {
1037         int count = strlen (s);
1038
1039         if (!video_enable)
1040                 while (count--)
1041                         serial_putc (*s++);
1042         else
1043                 while (count--)
1044                         video_putc (*s++);
1045 }
1046
1047 /************************************************************************/
1048 /* ** CURSOR BLINKING FUNCTIONS                                         */
1049 /************************************************************************/
1050
1051 #ifdef VIDEO_BLINK
1052
1053 #define BLINK_TIMER_ID          0
1054 #define BLINK_TIMER_HZ          2
1055
1056 static unsigned char blink_enabled = 0;
1057 static timer_t blink_timer;
1058
1059 static void blink_update (void)
1060 {
1061         static int blink_row = -1, blink_col = -1, blink_old = 0;
1062
1063         /* Check if we have a new position to invert */
1064         if ((console_row != blink_row) || (console_col != blink_col)) {
1065                 /* Check if we need to reverse last character */
1066                 if (blink_old)
1067                         video_revchar ( blink_col * VIDEO_FONT_WIDTH,
1068                                         (blink_row
1069 #ifdef CONFIG_VIDEO_LOGO
1070                                          + VIDEO_LOGO_HEIGHT
1071 #endif
1072                                         ) * VIDEO_FONT_HEIGHT);
1073
1074                 /* Update values */
1075                 blink_row = console_row;
1076                 blink_col = console_col;
1077                 blink_old = 0;
1078         }
1079
1080 /* Reverse this character */
1081         blink_old = !blink_old;
1082         video_revchar ( console_col * VIDEO_FONT_WIDTH,
1083                         (console_row
1084 #ifdef CONFIG_VIDEO_LOGO
1085                         + VIDEO_LOGO_HEIGHT
1086 #endif
1087                         ) * VIDEO_FONT_HEIGHT);
1088
1089 }
1090
1091 /*
1092  * Handler for blinking cursor
1093  */
1094 static void blink_handler (void *arg)
1095 {
1096 /* Blink */
1097         blink_update ();
1098 /* Ack the timer */
1099         timer_ack (&blink_timer);
1100 }
1101
1102 int blink_set (int blink)
1103 {
1104         int ret = blink_enabled;
1105
1106         if (blink)
1107                 timer_enable (&blink_timer);
1108         else
1109                 timer_disable (&blink_timer);
1110
1111         blink_enabled = blink;
1112
1113         return ret;
1114 }
1115
1116 static inline void blink_close (void)
1117 {
1118         timer_close (&blink_timer);
1119 }
1120
1121 static inline void blink_init (void)
1122 {
1123         timer_init (&blink_timer,
1124                         BLINK_TIMER_ID, BLINK_TIMER_HZ,
1125                         blink_handler);
1126 }
1127 #endif
1128
1129 /************************************************************************/
1130 /* ** LOGO PLOTTING FUNCTIONS                                           */
1131 /************************************************************************/
1132
1133 #ifdef CONFIG_VIDEO_LOGO
1134 void easylogo_plot (fastimage_t * image, void *screen, int width, int x,
1135                                         int y)
1136 {
1137         int skip = width - image->width, xcount, ycount = image->height;
1138
1139 #ifdef VIDEO_MODE_YUYV
1140         ushort *source = (ushort *) image->data;
1141         ushort *dest   = (ushort *) screen + y * width + x;
1142
1143         while (ycount--) {
1144                 xcount = image->width;
1145                 while (xcount--)
1146                         *dest++ = *source++;
1147                 dest += skip;
1148         }
1149 #endif
1150 #ifdef VIDEO_MODE_RGB
1151         unsigned char
1152         *source = (unsigned short *) image->data,
1153                         *dest = (unsigned short *) screen + ((y * width) + x) * 3;
1154
1155         while (ycount--) {
1156                 xcount = image->width * 3;
1157                 memcpy (dest, source, xcount);
1158                 source += xcount;
1159                 dest += ycount;
1160         }
1161 #endif
1162 }
1163
1164 static void *video_logo (void)
1165 {
1166         u16 *screen = video_fb_address, width = VIDEO_COLS;
1167 #ifdef VIDEO_INFO
1168 # ifndef CONFIG_FADS
1169         char temp[32];
1170 # endif
1171         char info[80];
1172 #endif /* VIDEO_INFO */
1173
1174         easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0);
1175
1176 #ifdef VIDEO_INFO
1177         sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
1178         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info);
1179
1180         sprintf (info, "(C) 2002 DENX Software Engineering");
1181         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
1182                                         info);
1183
1184         sprintf (info, "    Wolfgang DENK, wd@denx.de");
1185         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2,
1186                                         info);
1187 #ifndef CONFIG_FADS             /* all normal boards */
1188         /* leave one blank line */
1189
1190         sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
1191                 strmhz(temp, gd->cpu_clk),
1192                 gd->ram_size >> 20,
1193                 gd->bd->bi_flashsize >> 20 );
1194         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 4,
1195                                         info);
1196 #else                           /* FADS :-( */
1197         sprintf (info, "MPC823 CPU at 50 MHz on FADS823 board");
1198         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
1199                                           info);
1200
1201         sprintf (info, "2MB FLASH - 8MB DRAM - 4MB SRAM");
1202         video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2,
1203                                           info);
1204 #endif
1205 #endif
1206
1207         return video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN;
1208 }
1209 #endif
1210
1211 /************************************************************************/
1212 /* ** VIDEO HIGH-LEVEL FUNCTIONS                                        */
1213 /************************************************************************/
1214
1215 static int video_init (void *videobase)
1216 {
1217         /* Initialize the encoder */
1218         debug ("[VIDEO] Initializing video encoder...\n");
1219         video_encoder_init ();
1220
1221         /* Initialize the video controller */
1222         debug ("[VIDEO] Initializing video controller at %08x...\n",
1223                    (int) videobase);
1224         video_ctrl_init (videobase);
1225
1226         /* Setting the palette */
1227         video_setpalette  (CONSOLE_COLOR_BLACK,      0,    0,    0);
1228         video_setpalette  (CONSOLE_COLOR_RED,     0xFF,    0,    0);
1229         video_setpalette  (CONSOLE_COLOR_GREEN,      0, 0xFF,    0);
1230         video_setpalette  (CONSOLE_COLOR_YELLOW,  0xFF, 0xFF,    0);
1231         video_setpalette  (CONSOLE_COLOR_BLUE,       0,    0, 0xFF);
1232         video_setpalette  (CONSOLE_COLOR_MAGENTA, 0xFF,    0, 0xFF);
1233         video_setpalette  (CONSOLE_COLOR_CYAN,       0, 0xFF, 0xFF);
1234         video_setpalette  (CONSOLE_COLOR_GREY,    0xAA, 0xAA, 0xAA);
1235         video_setpalette  (CONSOLE_COLOR_GREY2,   0xF8, 0xF8, 0xF8);
1236         video_setpalette  (CONSOLE_COLOR_WHITE,   0xFF, 0xFF, 0xFF);
1237
1238 #ifndef CFG_WHITE_ON_BLACK
1239         video_setfgcolor (CONSOLE_COLOR_BLACK);
1240         video_setbgcolor (CONSOLE_COLOR_GREY2);
1241 #else
1242         video_setfgcolor (CONSOLE_COLOR_GREY2);
1243         video_setbgcolor (CONSOLE_COLOR_BLACK);
1244 #endif  /* CFG_WHITE_ON_BLACK */
1245
1246 #ifdef CONFIG_VIDEO_LOGO
1247         /* Paint the logo and retrieve tv base address */
1248         debug ("[VIDEO] Drawing the logo...\n");
1249         video_console_address = video_logo ();
1250 #else
1251         video_console_address = video_fb_address;
1252 #endif
1253
1254 #ifdef VIDEO_BLINK
1255         /* Enable the blinking (under construction) */
1256         blink_init ();
1257         blink_set (0);                          /* To Fix! */
1258 #endif
1259
1260         /* Initialize the console */
1261         console_col = 0;
1262         console_row = 0;
1263         video_enable = 1;
1264
1265 #ifdef VIDEO_MODE_PAL
1266 # define VIDEO_MODE_TMP1        "PAL"
1267 #endif
1268 #ifdef VIDEO_MODE_NTSC
1269 # define VIDEO_MODE_TMP1        "NTSC"
1270 #endif
1271 #ifdef VIDEO_MODE_YUYV
1272 # define VIDEO_MODE_TMP2        "YCbYCr"
1273 #endif
1274 #ifdef VIDEO_MODE_RGB
1275 # define VIDEO_MODE_TMP2        "RGB"
1276 #endif
1277         debug ( VIDEO_MODE_TMP1
1278                 " %dx%dx%d (" VIDEO_MODE_TMP2 ") on %s - console %dx%d\n",
1279                         VIDEO_COLS, VIDEO_ROWS, VIDEO_MODE_BPP,
1280                         VIDEO_ENCODER_NAME, CONSOLE_COLS, CONSOLE_ROWS);
1281         return 0;
1282 }
1283
1284 int drv_video_init (void)
1285 {
1286         int error, devices = 1;
1287
1288         device_t videodev;
1289
1290         video_init ((void *)(gd->fb_base));     /* Video initialization */
1291
1292 /* Device initialization */
1293
1294         memset (&videodev, 0, sizeof (videodev));
1295
1296         strcpy (videodev.name, "video");
1297         videodev.ext = DEV_EXT_VIDEO;   /* Video extensions */
1298         videodev.flags = DEV_FLAGS_OUTPUT;      /* Output only */
1299         videodev.putc = video_putc;     /* 'putc' function */
1300         videodev.puts = video_puts;     /* 'puts' function */
1301
1302         error = device_register (&videodev);
1303
1304         return (error == 0) ? devices : error;
1305 }
1306
1307 /************************************************************************/
1308 /* ** ROM capable initialization part - needed to reserve FB memory     */
1309 /************************************************************************/
1310
1311 /*
1312  * This is called early in the system initialization to grab memory
1313  * for the video controller.
1314  * Returns new address for monitor, after reserving video buffer memory
1315  *
1316  * Note that this is running from ROM, so no write access to global data.
1317  */
1318 ulong video_setmem (ulong addr)
1319 {
1320         /* Allocate pages for the frame buffer. */
1321         addr -= VIDEO_SIZE;
1322
1323         debug ("Reserving %dk for Video Framebuffer at: %08lx\n",
1324                 VIDEO_SIZE>>10, addr);
1325
1326         return (addr);
1327 }
1328
1329 #endif