hw/omap_dss.c

   1 /*
   2  * OMAP2 Display Subsystem.
   3  *
   4  * Copyright (C) 2008 Nokia Corporation
   5  * Written by Andrzej Zaborowski <andrew@openedhand.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 or
  10  * (at your option) version 3 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22 #include "hw.h"
  23 #include "console.h"
  24 #include "omap.h"
  25
  26 struct omap_dss_s {
  27     target_phys_addr_t diss_base;
  28     target_phys_addr_t disc_base;
  29     target_phys_addr_t rfbi_base;
  30     target_phys_addr_t venc_base;
  31     target_phys_addr_t im3_base;
  32     qemu_irq irq;
  33     qemu_irq drq;
  34     DisplayState *state;
  35
  36     int autoidle;
  37     int control;
  38     int enable;
  39
  40     struct omap_dss_panel_s {
  41         int enable;
  42         int nx;
  43         int ny;
  44
  45         int x;
  46         int y;
  47     } dig, lcd;
  48
  49     struct {
  50         uint32_t idlemode;
  51         uint32_t irqst;
  52         uint32_t irqen;
  53         uint32_t control;
  54         uint32_t config;
  55         uint32_t capable;
  56         uint32_t timing[3];
  57         int line;
  58         uint32_t bg[2];
  59         uint32_t trans[2];
  60
  61         struct omap_dss_plane_s {
  62             int enable;
  63             int bpp;
  64             int posx;
  65             int posy;
  66             int nx;
  67             int ny;
  68
  69             target_phys_addr_t addr[3];
  70
  71             uint32_t attr;
  72             uint32_t tresh;
  73             int rowinc;
  74             int colinc;
  75             int wininc;
  76         } l[3];
  77
  78         int invalidate;
  79         uint16_t palette[256];
  80     } dispc;
  81
  82     struct {
  83         int idlemode;
  84         uint32_t control;
  85         int enable;
  86         int pixels;
  87         int busy;
  88         int skiplines;
  89         uint16_t rxbuf;
  90         uint32_t config[2];
  91         uint32_t time[4];
  92         uint32_t data[6];
  93         uint16_t vsync;
  94         uint16_t hsync;
  95         struct rfbi_chip_s *chip[2];
  96     } rfbi;
  97 };
  98
  99 static void omap_dispc_interrupt_update(struct omap_dss_s *s)
 100 {
 101     qemu_set_irq(s->irq, s->dispc.irqst & s->dispc.irqen);
 102 }
 103
 104 static void omap_rfbi_reset(struct omap_dss_s *s)
 105 {
 106     s->rfbi.idlemode = 0;
 107     s->rfbi.control = 2;
 108     s->rfbi.enable = 0;
 109     s->rfbi.pixels = 0;
 110     s->rfbi.skiplines = 0;
 111     s->rfbi.busy = 0;
 112     s->rfbi.config[0] = 0x00310000;
 113     s->rfbi.config[1] = 0x00310000;
 114     s->rfbi.time[0] = 0;
 115     s->rfbi.time[1] = 0;
 116     s->rfbi.time[2] = 0;
 117     s->rfbi.time[3] = 0;
 118     s->rfbi.data[0] = 0;
 119     s->rfbi.data[1] = 0;
 120     s->rfbi.data[2] = 0;
 121     s->rfbi.data[3] = 0;
 122     s->rfbi.data[4] = 0;
 123     s->rfbi.data[5] = 0;
 124     s->rfbi.vsync = 0;
 125     s->rfbi.hsync = 0;
 126 }
 127
 128 void omap_dss_reset(struct omap_dss_s *s)
 129 {
 130     s->autoidle = 0;
 131     s->control = 0;
 132     s->enable = 0;
 133
 134     s->dig.enable = 0;
 135     s->dig.nx = 1;
 136     s->dig.ny = 1;
 137
 138     s->lcd.enable = 0;
 139     s->lcd.nx = 1;
 140     s->lcd.ny = 1;
 141
 142     s->dispc.idlemode = 0;
 143     s->dispc.irqst = 0;
 144     s->dispc.irqen = 0;
 145     s->dispc.control = 0;
 146     s->dispc.config = 0;
 147     s->dispc.capable = 0x161;
 148     s->dispc.timing[0] = 0;
 149     s->dispc.timing[1] = 0;
 150     s->dispc.timing[2] = 0;
 151     s->dispc.line = 0;
 152     s->dispc.bg[0] = 0;
 153     s->dispc.bg[1] = 0;
 154     s->dispc.trans[0] = 0;
 155     s->dispc.trans[1] = 0;
 156
 157     s->dispc.l[0].enable = 0;
 158     s->dispc.l[0].bpp = 0;
 159     s->dispc.l[0].addr[0] = 0;
 160     s->dispc.l[0].addr[1] = 0;
 161     s->dispc.l[0].addr[2] = 0;
 162     s->dispc.l[0].posx = 0;
 163     s->dispc.l[0].posy = 0;
 164     s->dispc.l[0].nx = 1;
 165     s->dispc.l[0].ny = 1;
 166     s->dispc.l[0].attr = 0;
 167     s->dispc.l[0].tresh = 0;
 168     s->dispc.l[0].rowinc = 1;
 169     s->dispc.l[0].colinc = 1;
 170     s->dispc.l[0].wininc = 0;
 171
 172     omap_rfbi_reset(s);
 173     omap_dispc_interrupt_update(s);
 174 }
 175
 176 static uint32_t omap_diss_read(void *opaque, target_phys_addr_t addr)
 177 {
 178     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 179     int offset = addr - s->diss_base;
 180
 181     switch (offset) {
 182     case 0x00:  /* DSS_REVISIONNUMBER */
 183         return 0x20;
 184
 185     case 0x10:  /* DSS_SYSCONFIG */
 186         return s->autoidle;
 187
 188     case 0x14:  /* DSS_SYSSTATUS */
 189         return 1;                                               /* RESETDONE */
 190
 191     case 0x40:  /* DSS_CONTROL */
 192         return s->control;
 193
 194     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 195     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 196     case 0x58:  /* DSS_PSA_VIDEO_REG */
 197         /* TODO: fake some values when appropriate s->control bits are set */
 198         return 0;
 199
 200     case 0x5c:  /* DSS_STATUS */
 201         return 1 + (s->control & 1);
 202
 203     default:
 204         break;
 205     }
 206     OMAP_BAD_REG(addr);
 207     return 0;
 208 }
 209
 210 static void omap_diss_write(void *opaque, target_phys_addr_t addr,
 211                 uint32_t value)
 212 {
 213     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 214     int offset = addr - s->diss_base;
 215
 216     switch (offset) {
 217     case 0x00:  /* DSS_REVISIONNUMBER */
 218     case 0x14:  /* DSS_SYSSTATUS */
 219     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 220     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 221     case 0x58:  /* DSS_PSA_VIDEO_REG */
 222     case 0x5c:  /* DSS_STATUS */
 223         OMAP_RO_REG(addr);
 224         break;
 225
 226     case 0x10:  /* DSS_SYSCONFIG */
 227         if (value & 2)                                          /* SOFTRESET */
 228             omap_dss_reset(s);
 229         s->autoidle = value & 1;
 230         break;
 231
 232     case 0x40:  /* DSS_CONTROL */
 233         s->control = value & 0x3dd;
 234         break;
 235
 236     default:
 237         OMAP_BAD_REG(addr);
 238     }
 239 }
 240
 241 static CPUReadMemoryFunc *omap_diss1_readfn[] = {
 242     omap_badwidth_read32,
 243     omap_badwidth_read32,
 244     omap_diss_read,
 245 };
 246
 247 static CPUWriteMemoryFunc *omap_diss1_writefn[] = {
 248     omap_badwidth_write32,
 249     omap_badwidth_write32,
 250     omap_diss_write,
 251 };
 252
 253 static uint32_t omap_disc_read(void *opaque, target_phys_addr_t addr)
 254 {
 255     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 256     int offset = addr - s->disc_base;
 257
 258     switch (offset) {
 259     case 0x000: /* DISPC_REVISION */
 260         return 0x20;
 261
 262     case 0x010: /* DISPC_SYSCONFIG */
 263         return s->dispc.idlemode;
 264
 265     case 0x014: /* DISPC_SYSSTATUS */
 266         return 1;                                               /* RESETDONE */
 267
 268     case 0x018: /* DISPC_IRQSTATUS */
 269         return s->dispc.irqst;
 270
 271     case 0x01c: /* DISPC_IRQENABLE */
 272         return s->dispc.irqen;
 273
 274     case 0x040: /* DISPC_CONTROL */
 275         return s->dispc.control;
 276
 277     case 0x044: /* DISPC_CONFIG */
 278         return s->dispc.config;
 279
 280     case 0x048: /* DISPC_CAPABLE */
 281         return s->dispc.capable;
 282
 283     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 284         return s->dispc.bg[0];
 285     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 286         return s->dispc.bg[1];
 287     case 0x054: /* DISPC_TRANS_COLOR0 */
 288         return s->dispc.trans[0];
 289     case 0x058: /* DISPC_TRANS_COLOR1 */
 290         return s->dispc.trans[1];
 291
 292     case 0x05c: /* DISPC_LINE_STATUS */
 293         return 0x7ff;
 294     case 0x060: /* DISPC_LINE_NUMBER */
 295         return s->dispc.line;
 296
 297     case 0x064: /* DISPC_TIMING_H */
 298         return s->dispc.timing[0];
 299     case 0x068: /* DISPC_TIMING_V */
 300         return s->dispc.timing[1];
 301     case 0x06c: /* DISPC_POL_FREQ */
 302         return s->dispc.timing[2];
 303     case 0x070: /* DISPC_DIVISOR */
 304         return s->dispc.timing[3];
 305
 306     case 0x078: /* DISPC_SIZE_DIG */
 307         return ((s->dig.ny - 1) << 16) | (s->dig.nx - 1);
 308     case 0x07c: /* DISPC_SIZE_LCD */
 309         return ((s->lcd.ny - 1) << 16) | (s->lcd.nx - 1);
 310
 311     case 0x080: /* DISPC_GFX_BA0 */
 312         return s->dispc.l[0].addr[0];
 313     case 0x084: /* DISPC_GFX_BA1 */
 314         return s->dispc.l[0].addr[1];
 315     case 0x088: /* DISPC_GFX_POSITION */
 316         return (s->dispc.l[0].posy << 16) | s->dispc.l[0].posx;
 317     case 0x08c: /* DISPC_GFX_SIZE */
 318         return ((s->dispc.l[0].ny - 1) << 16) | (s->dispc.l[0].nx - 1);
 319     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 320         return s->dispc.l[0].attr;
 321     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 322         return s->dispc.l[0].tresh;
 323     case 0x0a8: /* DISPC_GFX_FIFO_SIZE_STATUS */
 324         return 256;
 325     case 0x0ac: /* DISPC_GFX_ROW_INC */
 326         return s->dispc.l[0].rowinc;
 327     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 328         return s->dispc.l[0].colinc;
 329     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 330         return s->dispc.l[0].wininc;
 331     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 332         return s->dispc.l[0].addr[2];
 333
 334     case 0x0bc: /* DISPC_VID1_BA0 */
 335     case 0x0c0: /* DISPC_VID1_BA1 */
 336     case 0x0c4: /* DISPC_VID1_POSITION */
 337     case 0x0c8: /* DISPC_VID1_SIZE */
 338     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 339     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 340     case 0x0d4: /* DISPC_VID1_FIFO_SIZE_STATUS */
 341     case 0x0d8: /* DISPC_VID1_ROW_INC */
 342     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 343     case 0x0e0: /* DISPC_VID1_FIR */
 344     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 345     case 0x0e8: /* DISPC_VID1_ACCU0 */
 346     case 0x0ec: /* DISPC_VID1_ACCU1 */
 347     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 348     case 0x14c: /* DISPC_VID2_BA0 */
 349     case 0x150: /* DISPC_VID2_BA1 */
 350     case 0x154: /* DISPC_VID2_POSITION */
 351     case 0x158: /* DISPC_VID2_SIZE */
 352     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 353     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 354     case 0x164: /* DISPC_VID2_FIFO_SIZE_STATUS */
 355     case 0x168: /* DISPC_VID2_ROW_INC */
 356     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 357     case 0x170: /* DISPC_VID2_FIR */
 358     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 359     case 0x178: /* DISPC_VID2_ACCU0 */
 360     case 0x17c: /* DISPC_VID2_ACCU1 */
 361     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 362     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 363     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 364     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 365         return 0;
 366
 367     default:
 368         break;
 369     }
 370     OMAP_BAD_REG(addr);
 371     return 0;
 372 }
 373
 374 static void omap_disc_write(void *opaque, target_phys_addr_t addr,
 375                 uint32_t value)
 376 {
 377     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 378     int offset = addr - s->disc_base;
 379
 380     switch (offset) {
 381     case 0x010: /* DISPC_SYSCONFIG */
 382         if (value & 2)                                          /* SOFTRESET */
 383             omap_dss_reset(s);
 384         s->dispc.idlemode = value & 0x301b;
 385         break;
 386
 387     case 0x018: /* DISPC_IRQSTATUS */
 388         s->dispc.irqst &= ~value;
 389         omap_dispc_interrupt_update(s);
 390         break;
 391
 392     case 0x01c: /* DISPC_IRQENABLE */
 393         s->dispc.irqen = value & 0xffff;
 394         omap_dispc_interrupt_update(s);
 395         break;
 396
 397     case 0x040: /* DISPC_CONTROL */
 398         s->dispc.control = value & 0x07ff9fff;
 399         s->dig.enable = (value >> 1) & 1;
 400         s->lcd.enable = (value >> 0) & 1;
 401         if (value & (1 << 12))                  /* OVERLAY_OPTIMIZATION */
 402             if (~((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1))
 403                  fprintf(stderr, "%s: Overlay Optimization when no overlay "
 404                                  "region effectively exists leads to "
 405                                  "unpredictable behaviour!\n", __FUNCTION__);
 406         if (value & (1 << 6)) {                         /* GODIGITAL */
 407             /* XXX: Shadowed fields are:
 408              * s->dispc.config
 409              * s->dispc.capable
 410              * s->dispc.bg[0]
 411              * s->dispc.bg[1]
 412              * s->dispc.trans[0]
 413              * s->dispc.trans[1]
 414              * s->dispc.line
 415              * s->dispc.timing[0]
 416              * s->dispc.timing[1]
 417              * s->dispc.timing[2]
 418              * s->dispc.timing[3]
 419              * s->lcd.nx
 420              * s->lcd.ny
 421              * s->dig.nx
 422              * s->dig.ny
 423              * s->dispc.l[0].addr[0]
 424              * s->dispc.l[0].addr[1]
 425              * s->dispc.l[0].addr[2]
 426              * s->dispc.l[0].posx
 427              * s->dispc.l[0].posy
 428              * s->dispc.l[0].nx
 429              * s->dispc.l[0].ny
 430              * s->dispc.l[0].tresh
 431              * s->dispc.l[0].rowinc
 432              * s->dispc.l[0].colinc
 433              * s->dispc.l[0].wininc
 434              * All they need to be loaded here from their shadow registers.
 435              */
 436         }
 437         if (value & (1 << 5)) {                         /* GOLCD */
 438              /* XXX: Likewise for LCD here.  */
 439         }
 440         s->dispc.invalidate = 1;
 441         break;
 442
 443     case 0x044: /* DISPC_CONFIG */
 444         s->dispc.config = value & 0x3fff;
 445         /* XXX:
 446          * bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded
 447          * bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded
 448          */
 449         s->dispc.invalidate = 1;
 450         break;
 451
 452     case 0x048: /* DISPC_CAPABLE */
 453         s->dispc.capable = value & 0x3ff;
 454         break;
 455
 456     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 457         s->dispc.bg[0] = value & 0xffffff;
 458         s->dispc.invalidate = 1;
 459         break;
 460     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 461         s->dispc.bg[1] = value & 0xffffff;
 462         s->dispc.invalidate = 1;
 463         break;
 464     case 0x054: /* DISPC_TRANS_COLOR0 */
 465         s->dispc.trans[0] = value & 0xffffff;
 466         s->dispc.invalidate = 1;
 467         break;
 468     case 0x058: /* DISPC_TRANS_COLOR1 */
 469         s->dispc.trans[1] = value & 0xffffff;
 470         s->dispc.invalidate = 1;
 471         break;
 472
 473     case 0x060: /* DISPC_LINE_NUMBER */
 474         s->dispc.line = value & 0x7ff;
 475         break;
 476
 477     case 0x064: /* DISPC_TIMING_H */
 478         s->dispc.timing[0] = value & 0x0ff0ff3f;
 479         break;
 480     case 0x068: /* DISPC_TIMING_V */
 481         s->dispc.timing[1] = value & 0x0ff0ff3f;
 482         break;
 483     case 0x06c: /* DISPC_POL_FREQ */
 484         s->dispc.timing[2] = value & 0x0003ffff;
 485         break;
 486     case 0x070: /* DISPC_DIVISOR */
 487         s->dispc.timing[3] = value & 0x00ff00ff;
 488         break;
 489
 490     case 0x078: /* DISPC_SIZE_DIG */
 491         s->dig.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 492         s->dig.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 493         s->dispc.invalidate = 1;
 494         break;
 495     case 0x07c: /* DISPC_SIZE_LCD */
 496         s->lcd.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 497         s->lcd.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 498         s->dispc.invalidate = 1;
 499         break;
 500     case 0x080: /* DISPC_GFX_BA0 */
 501         s->dispc.l[0].addr[0] = (target_phys_addr_t) value;
 502         s->dispc.invalidate = 1;
 503         break;
 504     case 0x084: /* DISPC_GFX_BA1 */
 505         s->dispc.l[0].addr[1] = (target_phys_addr_t) value;
 506         s->dispc.invalidate = 1;
 507         break;
 508     case 0x088: /* DISPC_GFX_POSITION */
 509         s->dispc.l[0].posx = ((value >>  0) & 0x7ff);           /* GFXPOSX */
 510         s->dispc.l[0].posy = ((value >> 16) & 0x7ff);           /* GFXPOSY */
 511         s->dispc.invalidate = 1;
 512         break;
 513     case 0x08c: /* DISPC_GFX_SIZE */
 514         s->dispc.l[0].nx = ((value >>  0) & 0x7ff) + 1;         /* GFXSIZEX */
 515         s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1;         /* GFXSIZEY */
 516         s->dispc.invalidate = 1;
 517         break;
 518     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 519         s->dispc.l[0].attr = value & 0x7ff;
 520         if (value & (3 << 9))
 521             fprintf(stderr, "%s: Big-endian pixel format not supported\n",
 522                             __FUNCTION__);
 523         s->dispc.l[0].enable = value & 1;
 524         s->dispc.l[0].bpp = (value >> 1) & 0xf;
 525         s->dispc.invalidate = 1;
 526         break;
 527     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 528         s->dispc.l[0].tresh = value & 0x01ff01ff;
 529         break;
 530     case 0x0ac: /* DISPC_GFX_ROW_INC */
 531         s->dispc.l[0].rowinc = value;
 532         s->dispc.invalidate = 1;
 533         break;
 534     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 535         s->dispc.l[0].colinc = value;
 536         s->dispc.invalidate = 1;
 537         break;
 538     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 539         s->dispc.l[0].wininc = value;
 540         break;
 541     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 542         s->dispc.l[0].addr[2] = (target_phys_addr_t) value;
 543         s->dispc.invalidate = 1;
 544         break;
 545
 546     case 0x0bc: /* DISPC_VID1_BA0 */
 547     case 0x0c0: /* DISPC_VID1_BA1 */
 548     case 0x0c4: /* DISPC_VID1_POSITION */
 549     case 0x0c8: /* DISPC_VID1_SIZE */
 550     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 551     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 552     case 0x0d8: /* DISPC_VID1_ROW_INC */
 553     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 554     case 0x0e0: /* DISPC_VID1_FIR */
 555     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 556     case 0x0e8: /* DISPC_VID1_ACCU0 */
 557     case 0x0ec: /* DISPC_VID1_ACCU1 */
 558     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 559     case 0x14c: /* DISPC_VID2_BA0 */
 560     case 0x150: /* DISPC_VID2_BA1 */
 561     case 0x154: /* DISPC_VID2_POSITION */
 562     case 0x158: /* DISPC_VID2_SIZE */
 563     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 564     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 565     case 0x168: /* DISPC_VID2_ROW_INC */
 566     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 567     case 0x170: /* DISPC_VID2_FIR */
 568     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 569     case 0x178: /* DISPC_VID2_ACCU0 */
 570     case 0x17c: /* DISPC_VID2_ACCU1 */
 571     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 572     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 573     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 574     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 575         break;
 576
 577     default:
 578         OMAP_BAD_REG(addr);
 579     }
 580 }
 581
 582 static CPUReadMemoryFunc *omap_disc1_readfn[] = {
 583     omap_badwidth_read32,
 584     omap_badwidth_read32,
 585     omap_disc_read,
 586 };
 587
 588 static CPUWriteMemoryFunc *omap_disc1_writefn[] = {
 589     omap_badwidth_write32,
 590     omap_badwidth_write32,
 591     omap_disc_write,
 592 };
 593
 594 static void *omap_rfbi_get_buffer(struct omap_dss_s *s)
 595 {
 596     target_phys_addr_t fb;
 597     uint32_t pd;
 598
 599     /* TODO */
 600     fb = s->dispc.l[0].addr[0];
 601
 602     pd = cpu_get_physical_page_desc(fb);
 603     if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM)
 604         /* TODO */
 605         cpu_abort(cpu_single_env, "%s: framebuffer outside RAM!\n",
 606                         __FUNCTION__);
 607     else
 608         return phys_ram_base +
 609                 (pd & TARGET_PAGE_MASK) +
 610                 (fb & ~TARGET_PAGE_MASK);
 611 }
 612
 613 static void omap_rfbi_transfer_stop(struct omap_dss_s *s)
 614 {
 615     if (!s->rfbi.busy)
 616         return;
 617
 618     /* TODO: in non-Bypass mode we probably need to just deassert the DRQ.  */
 619
 620     s->rfbi.busy = 0;
 621 }
 622
 623 static void omap_rfbi_transfer_start(struct omap_dss_s *s)
 624 {
 625     void *data;
 626     size_t len;
 627     int pitch;
 628
 629     if (!s->rfbi.enable || s->rfbi.busy)
 630         return;
 631
 632     if (s->rfbi.control & (1 << 1)) {                           /* BYPASS */
 633         /* TODO: in non-Bypass mode we probably need to just assert the
 634          * DRQ and wait for DMA to write the pixels.  */
 635         fprintf(stderr, "%s: Bypass mode unimplemented\n", __FUNCTION__);
 636         return;
 637     }
 638
 639     if (!(s->dispc.control & (1 << 11)))                        /* RFBIMODE */
 640         return;
 641     /* TODO: check that LCD output is enabled in DISPC.  */
 642
 643     s->rfbi.busy = 1;
 644
 645     data = omap_rfbi_get_buffer(s);
 646
 647     /* TODO bpp */
 648     len = s->rfbi.pixels * 2;
 649     s->rfbi.pixels = 0;
 650
 651     /* TODO: negative values */
 652     pitch = s->dispc.l[0].nx + (s->dispc.l[0].rowinc - 1) / 2;
 653
 654     if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 655         s->rfbi.chip[0]->block(s->rfbi.chip[0]->opaque, 1, data, len, pitch);
 656     if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 657         s->rfbi.chip[1]->block(s->rfbi.chip[1]->opaque, 1, data, len, pitch);
 658
 659     omap_rfbi_transfer_stop(s);
 660
 661     /* TODO */
 662     s->dispc.irqst |= 1;                                        /* FRAMEDONE */
 663     omap_dispc_interrupt_update(s);
 664 }
 665
 666 static uint32_t omap_rfbi_read(void *opaque, target_phys_addr_t addr)
 667 {
 668     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 669     int offset = addr - s->rfbi_base;
 670
 671     switch (offset) {
 672     case 0x00:  /* RFBI_REVISION */
 673         return 0x10;
 674
 675     case 0x10:  /* RFBI_SYSCONFIG */
 676         return s->rfbi.idlemode;
 677
 678     case 0x14:  /* RFBI_SYSSTATUS */
 679         return 1 | (s->rfbi.busy << 8);                         /* RESETDONE */
 680
 681     case 0x40:  /* RFBI_CONTROL */
 682         return s->rfbi.control;
 683
 684     case 0x44:  /* RFBI_PIXELCNT */
 685         return s->rfbi.pixels;
 686
 687     case 0x48:  /* RFBI_LINE_NUMBER */
 688         return s->rfbi.skiplines;
 689
 690     case 0x58:  /* RFBI_READ */
 691     case 0x5c:  /* RFBI_STATUS */
 692         return s->rfbi.rxbuf;
 693
 694     case 0x60:  /* RFBI_CONFIG0 */
 695         return s->rfbi.config[0];
 696     case 0x64:  /* RFBI_ONOFF_TIME0 */
 697         return s->rfbi.time[0];
 698     case 0x68:  /* RFBI_CYCLE_TIME0 */
 699         return s->rfbi.time[1];
 700     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 701         return s->rfbi.data[0];
 702     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 703         return s->rfbi.data[1];
 704     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 705         return s->rfbi.data[2];
 706
 707     case 0x78:  /* RFBI_CONFIG1 */
 708         return s->rfbi.config[1];
 709     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 710         return s->rfbi.time[2];
 711     case 0x80:  /* RFBI_CYCLE_TIME1 */
 712         return s->rfbi.time[3];
 713     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 714         return s->rfbi.data[3];
 715     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 716         return s->rfbi.data[4];
 717     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 718         return s->rfbi.data[5];
 719
 720     case 0x90:  /* RFBI_VSYNC_WIDTH */
 721         return s->rfbi.vsync;
 722     case 0x94:  /* RFBI_HSYNC_WIDTH */
 723         return s->rfbi.hsync;
 724     }
 725     OMAP_BAD_REG(addr);
 726     return 0;
 727 }
 728
 729 static void omap_rfbi_write(void *opaque, target_phys_addr_t addr,
 730                 uint32_t value)
 731 {
 732     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 733     int offset = addr - s->rfbi_base;
 734
 735     switch (offset) {
 736     case 0x10:  /* RFBI_SYSCONFIG */
 737         if (value & 2)                                          /* SOFTRESET */
 738             omap_rfbi_reset(s);
 739         s->rfbi.idlemode = value & 0x19;
 740         break;
 741
 742     case 0x40:  /* RFBI_CONTROL */
 743         s->rfbi.control = value & 0xf;
 744         s->rfbi.enable = value & 1;
 745         if (value & (1 << 4) &&                                 /* ITE */
 746                         !(s->rfbi.config[0] & s->rfbi.config[1] & 0xc))
 747             omap_rfbi_transfer_start(s);
 748         break;
 749
 750     case 0x44:  /* RFBI_PIXELCNT */
 751         s->rfbi.pixels = value;
 752         break;
 753
 754     case 0x48:  /* RFBI_LINE_NUMBER */
 755         s->rfbi.skiplines = value & 0x7ff;
 756         break;
 757
 758     case 0x4c:  /* RFBI_CMD */
 759         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 760             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 0, value & 0xffff);
 761         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 762             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 0, value & 0xffff);
 763         break;
 764     case 0x50:  /* RFBI_PARAM */
 765         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 766             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 767         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 768             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
 769         break;
 770     case 0x54:  /* RFBI_DATA */
 771         /* TODO: take into account the format set up in s->rfbi.config[?] and
 772          * s->rfbi.data[?], but special-case the most usual scenario so that
 773          * speed doesn't suffer.  */
 774         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) {
 775             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 776             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value >> 16);
 777         }
 778         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) {
 779             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
 780             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value >> 16);
 781         }
 782         if (!-- s->rfbi.pixels)
 783             omap_rfbi_transfer_stop(s);
 784         break;
 785     case 0x58:  /* RFBI_READ */
 786         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 787             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
 788         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 789             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
 790         if (!-- s->rfbi.pixels)
 791             omap_rfbi_transfer_stop(s);
 792         break;
 793
 794     case 0x5c:  /* RFBI_STATUS */
 795         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 796             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
 797         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 798             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
 799         if (!-- s->rfbi.pixels)
 800             omap_rfbi_transfer_stop(s);
 801         break;
 802
 803     case 0x60:  /* RFBI_CONFIG0 */
 804         s->rfbi.config[0] = value & 0x003f1fff;
 805         break;
 806
 807     case 0x64:  /* RFBI_ONOFF_TIME0 */
 808         s->rfbi.time[0] = value & 0x3fffffff;
 809         break;
 810     case 0x68:  /* RFBI_CYCLE_TIME0 */
 811         s->rfbi.time[1] = value & 0x0fffffff;
 812         break;
 813     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 814         s->rfbi.data[0] = value & 0x0f1f0f1f;
 815         break;
 816     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 817         s->rfbi.data[1] = value & 0x0f1f0f1f;
 818         break;
 819     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 820         s->rfbi.data[2] = value & 0x0f1f0f1f;
 821         break;
 822     case 0x78:  /* RFBI_CONFIG1 */
 823         s->rfbi.config[1] = value & 0x003f1fff;
 824         break;
 825
 826     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 827         s->rfbi.time[2] = value & 0x3fffffff;
 828         break;
 829     case 0x80:  /* RFBI_CYCLE_TIME1 */
 830         s->rfbi.time[3] = value & 0x0fffffff;
 831         break;
 832     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 833         s->rfbi.data[3] = value & 0x0f1f0f1f;
 834         break;
 835     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 836         s->rfbi.data[4] = value & 0x0f1f0f1f;
 837         break;
 838     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 839         s->rfbi.data[5] = value & 0x0f1f0f1f;
 840         break;
 841
 842     case 0x90:  /* RFBI_VSYNC_WIDTH */
 843         s->rfbi.vsync = value & 0xffff;
 844         break;
 845     case 0x94:  /* RFBI_HSYNC_WIDTH */
 846         s->rfbi.hsync = value & 0xffff;
 847         break;
 848
 849     default:
 850         OMAP_BAD_REG(addr);
 851     }
 852 }
 853
 854 static CPUReadMemoryFunc *omap_rfbi1_readfn[] = {
 855     omap_badwidth_read32,
 856     omap_badwidth_read32,
 857     omap_rfbi_read,
 858 };
 859
 860 static CPUWriteMemoryFunc *omap_rfbi1_writefn[] = {
 861     omap_badwidth_write32,
 862     omap_badwidth_write32,
 863     omap_rfbi_write,
 864 };
 865
 866 static uint32_t omap_venc_read(void *opaque, target_phys_addr_t addr)
 867 {
 868     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 869     int offset = addr - s->venc_base;
 870
 871     switch (offset) {
 872     case 0x00:  /* REV_ID */
 873     case 0x04:  /* STATUS */
 874     case 0x08:  /* F_CONTROL */
 875     case 0x10:  /* VIDOUT_CTRL */
 876     case 0x14:  /* SYNC_CTRL */
 877     case 0x1c:  /* LLEN */
 878     case 0x20:  /* FLENS */
 879     case 0x24:  /* HFLTR_CTRL */
 880     case 0x28:  /* CC_CARR_WSS_CARR */
 881     case 0x2c:  /* C_PHASE */
 882     case 0x30:  /* GAIN_U */
 883     case 0x34:  /* GAIN_V */
 884     case 0x38:  /* GAIN_Y */
 885     case 0x3c:  /* BLACK_LEVEL */
 886     case 0x40:  /* BLANK_LEVEL */
 887     case 0x44:  /* X_COLOR */
 888     case 0x48:  /* M_CONTROL */
 889     case 0x4c:  /* BSTAMP_WSS_DATA */
 890     case 0x50:  /* S_CARR */
 891     case 0x54:  /* LINE21 */
 892     case 0x58:  /* LN_SEL */
 893     case 0x5c:  /* L21__WC_CTL */
 894     case 0x60:  /* HTRIGGER_VTRIGGER */
 895     case 0x64:  /* SAVID__EAVID */
 896     case 0x68:  /* FLEN__FAL */
 897     case 0x6c:  /* LAL__PHASE_RESET */
 898     case 0x70:  /* HS_INT_START_STOP_X */
 899     case 0x74:  /* HS_EXT_START_STOP_X */
 900     case 0x78:  /* VS_INT_START_X */
 901     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 902     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 903     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 904     case 0x88:  /* VS_EXT_STOP_Y */
 905     case 0x90:  /* AVID_START_STOP_X */
 906     case 0x94:  /* AVID_START_STOP_Y */
 907     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 908     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 909     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 910     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 911     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 912     case 0xb8:  /* GEN_CTRL */
 913     case 0xc4:  /* DAC_TST__DAC_A */
 914     case 0xc8:  /* DAC_B__DAC_C */
 915         return 0;
 916
 917     default:
 918         break;
 919     }
 920     OMAP_BAD_REG(addr);
 921     return 0;
 922 }
 923
 924 static void omap_venc_write(void *opaque, target_phys_addr_t addr,
 925                 uint32_t value)
 926 {
 927     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 928     int offset = addr - s->venc_base;
 929
 930     switch (offset) {
 931     case 0x08:  /* F_CONTROL */
 932     case 0x10:  /* VIDOUT_CTRL */
 933     case 0x14:  /* SYNC_CTRL */
 934     case 0x1c:  /* LLEN */
 935     case 0x20:  /* FLENS */
 936     case 0x24:  /* HFLTR_CTRL */
 937     case 0x28:  /* CC_CARR_WSS_CARR */
 938     case 0x2c:  /* C_PHASE */
 939     case 0x30:  /* GAIN_U */
 940     case 0x34:  /* GAIN_V */
 941     case 0x38:  /* GAIN_Y */
 942     case 0x3c:  /* BLACK_LEVEL */
 943     case 0x40:  /* BLANK_LEVEL */
 944     case 0x44:  /* X_COLOR */
 945     case 0x48:  /* M_CONTROL */
 946     case 0x4c:  /* BSTAMP_WSS_DATA */
 947     case 0x50:  /* S_CARR */
 948     case 0x54:  /* LINE21 */
 949     case 0x58:  /* LN_SEL */
 950     case 0x5c:  /* L21__WC_CTL */
 951     case 0x60:  /* HTRIGGER_VTRIGGER */
 952     case 0x64:  /* SAVID__EAVID */
 953     case 0x68:  /* FLEN__FAL */
 954     case 0x6c:  /* LAL__PHASE_RESET */
 955     case 0x70:  /* HS_INT_START_STOP_X */
 956     case 0x74:  /* HS_EXT_START_STOP_X */
 957     case 0x78:  /* VS_INT_START_X */
 958     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 959     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 960     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 961     case 0x88:  /* VS_EXT_STOP_Y */
 962     case 0x90:  /* AVID_START_STOP_X */
 963     case 0x94:  /* AVID_START_STOP_Y */
 964     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 965     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 966     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 967     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 968     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 969     case 0xb8:  /* GEN_CTRL */
 970     case 0xc4:  /* DAC_TST__DAC_A */
 971     case 0xc8:  /* DAC_B__DAC_C */
 972         break;
 973
 974     default:
 975         OMAP_BAD_REG(addr);
 976     }
 977 }
 978
 979 static CPUReadMemoryFunc *omap_venc1_readfn[] = {
 980     omap_badwidth_read32,
 981     omap_badwidth_read32,
 982     omap_venc_read,
 983 };
 984
 985 static CPUWriteMemoryFunc *omap_venc1_writefn[] = {
 986     omap_badwidth_write32,
 987     omap_badwidth_write32,
 988     omap_venc_write,
 989 };
 990
 991 static uint32_t omap_im3_read(void *opaque, target_phys_addr_t addr)
 992 {
 993     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 994     int offset = addr - s->im3_base;
 995
 996     switch (offset) {
 997     case 0x0a8: /* SBIMERRLOGA */
 998     case 0x0b0: /* SBIMERRLOG */
 999     case 0x190: /* SBIMSTATE */
1000     case 0x198: /* SBTMSTATE_L */
1001     case 0x19c: /* SBTMSTATE_H */
1002     case 0x1a8: /* SBIMCONFIG_L */
1003     case 0x1ac: /* SBIMCONFIG_H */
1004     case 0x1f8: /* SBID_L */
1005     case 0x1fc: /* SBID_H */
1006         return 0;
1007
1008     default:
1009         break;
1010     }
1011     OMAP_BAD_REG(addr);
1012     return 0;
1013 }
1014
1015 static void omap_im3_write(void *opaque, target_phys_addr_t addr,
1016                 uint32_t value)
1017 {
1018     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
1019     int offset = addr - s->im3_base;
1020
1021     switch (offset) {
1022     case 0x0b0: /* SBIMERRLOG */
1023     case 0x190: /* SBIMSTATE */
1024     case 0x198: /* SBTMSTATE_L */
1025     case 0x19c: /* SBTMSTATE_H */
1026     case 0x1a8: /* SBIMCONFIG_L */
1027     case 0x1ac: /* SBIMCONFIG_H */
1028         break;
1029
1030     default:
1031         OMAP_BAD_REG(addr);
1032     }
1033 }
1034
1035 static CPUReadMemoryFunc *omap_im3_readfn[] = {
1036     omap_badwidth_read32,
1037     omap_badwidth_read32,
1038     omap_im3_read,
1039 };
1040
1041 static CPUWriteMemoryFunc *omap_im3_writefn[] = {
1042     omap_badwidth_write32,
1043     omap_badwidth_write32,
1044     omap_im3_write,
1045 };
1046
1047 struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
1048                 target_phys_addr_t l3_base, DisplayState *ds,
1049                 qemu_irq irq, qemu_irq drq,
1050                 omap_clk fck1, omap_clk fck2, omap_clk ck54m,
1051                 omap_clk ick1, omap_clk ick2)
1052 {
1053     int iomemtype[5];
1054     struct omap_dss_s *s = (struct omap_dss_s *)
1055             qemu_mallocz(sizeof(struct omap_dss_s));
1056
1057     s->irq = irq;
1058     s->drq = drq;
1059     s->state = ds;
1060     omap_dss_reset(s);
1061
1062     iomemtype[0] = cpu_register_io_memory(0, omap_diss1_readfn,
1063                     omap_diss1_writefn, s);
1064     iomemtype[1] = cpu_register_io_memory(0, omap_disc1_readfn,
1065                     omap_disc1_writefn, s);
1066     iomemtype[2] = cpu_register_io_memory(0, omap_rfbi1_readfn,
1067                     omap_rfbi1_writefn, s);
1068     iomemtype[3] = cpu_register_io_memory(0, omap_venc1_readfn,
1069                     omap_venc1_writefn, s);
1070     iomemtype[4] = cpu_register_io_memory(0, omap_im3_readfn,
1071                     omap_im3_writefn, s);
1072     s->diss_base = omap_l4_attach(ta, 0, iomemtype[0]);
1073     s->disc_base = omap_l4_attach(ta, 1, iomemtype[1]);
1074     s->rfbi_base = omap_l4_attach(ta, 2, iomemtype[2]);
1075     s->venc_base = omap_l4_attach(ta, 3, iomemtype[3]);
1076     s->im3_base = l3_base;
1077     cpu_register_physical_memory(s->im3_base, 0x1000, iomemtype[4]);
1078
1079 #if 0
1080     if (ds)
1081         graphic_console_init(ds, omap_update_display,
1082                         omap_invalidate_display, omap_screen_dump, s);
1083 #endif
1084
1085     return s;
1086 }
1087
1088 void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip)
1089 {
1090     if (cs < 0 || cs > 1)
1091         cpu_abort(cpu_single_env, "%s: wrong CS %i\n", __FUNCTION__, cs);
1092     s->rfbi.chip[cs] = chip;
1093 }