hw/display/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 along
  18  * with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20 #include "hw/hw.h"
  21 #include "ui/console.h"
  22 #include "hw/arm/omap.h"
  23
  24 struct omap_dss_s {
  25     qemu_irq irq;
  26     qemu_irq drq;
  27     DisplayState *state;
  28     MemoryRegion iomem_diss1, iomem_disc1, iomem_rfbi1, iomem_venc1, iomem_im3;
  29
  30     int autoidle;
  31     int control;
  32     int enable;
  33
  34     struct omap_dss_panel_s {
  35         int enable;
  36         int nx;
  37         int ny;
  38
  39         int x;
  40         int y;
  41     } dig, lcd;
  42
  43     struct {
  44         uint32_t idlemode;
  45         uint32_t irqst;
  46         uint32_t irqen;
  47         uint32_t control;
  48         uint32_t config;
  49         uint32_t capable;
  50         uint32_t timing[4];
  51         int line;
  52         uint32_t bg[2];
  53         uint32_t trans[2];
  54
  55         struct omap_dss_plane_s {
  56             int enable;
  57             int bpp;
  58             int posx;
  59             int posy;
  60             int nx;
  61             int ny;
  62
  63             hwaddr addr[3];
  64
  65             uint32_t attr;
  66             uint32_t tresh;
  67             int rowinc;
  68             int colinc;
  69             int wininc;
  70         } l[3];
  71
  72         int invalidate;
  73         uint16_t palette[256];
  74     } dispc;
  75
  76     struct {
  77         int idlemode;
  78         uint32_t control;
  79         int enable;
  80         int pixels;
  81         int busy;
  82         int skiplines;
  83         uint16_t rxbuf;
  84         uint32_t config[2];
  85         uint32_t time[4];
  86         uint32_t data[6];
  87         uint16_t vsync;
  88         uint16_t hsync;
  89         struct rfbi_chip_s *chip[2];
  90     } rfbi;
  91 };
  92
  93 static void omap_dispc_interrupt_update(struct omap_dss_s *s)
  94 {
  95     qemu_set_irq(s->irq, s->dispc.irqst & s->dispc.irqen);
  96 }
  97
  98 static void omap_rfbi_reset(struct omap_dss_s *s)
  99 {
 100     s->rfbi.idlemode = 0;
 101     s->rfbi.control = 2;
 102     s->rfbi.enable = 0;
 103     s->rfbi.pixels = 0;
 104     s->rfbi.skiplines = 0;
 105     s->rfbi.busy = 0;
 106     s->rfbi.config[0] = 0x00310000;
 107     s->rfbi.config[1] = 0x00310000;
 108     s->rfbi.time[0] = 0;
 109     s->rfbi.time[1] = 0;
 110     s->rfbi.time[2] = 0;
 111     s->rfbi.time[3] = 0;
 112     s->rfbi.data[0] = 0;
 113     s->rfbi.data[1] = 0;
 114     s->rfbi.data[2] = 0;
 115     s->rfbi.data[3] = 0;
 116     s->rfbi.data[4] = 0;
 117     s->rfbi.data[5] = 0;
 118     s->rfbi.vsync = 0;
 119     s->rfbi.hsync = 0;
 120 }
 121
 122 void omap_dss_reset(struct omap_dss_s *s)
 123 {
 124     s->autoidle = 0;
 125     s->control = 0;
 126     s->enable = 0;
 127
 128     s->dig.enable = 0;
 129     s->dig.nx = 1;
 130     s->dig.ny = 1;
 131
 132     s->lcd.enable = 0;
 133     s->lcd.nx = 1;
 134     s->lcd.ny = 1;
 135
 136     s->dispc.idlemode = 0;
 137     s->dispc.irqst = 0;
 138     s->dispc.irqen = 0;
 139     s->dispc.control = 0;
 140     s->dispc.config = 0;
 141     s->dispc.capable = 0x161;
 142     s->dispc.timing[0] = 0;
 143     s->dispc.timing[1] = 0;
 144     s->dispc.timing[2] = 0;
 145     s->dispc.timing[3] = 0;
 146     s->dispc.line = 0;
 147     s->dispc.bg[0] = 0;
 148     s->dispc.bg[1] = 0;
 149     s->dispc.trans[0] = 0;
 150     s->dispc.trans[1] = 0;
 151
 152     s->dispc.l[0].enable = 0;
 153     s->dispc.l[0].bpp = 0;
 154     s->dispc.l[0].addr[0] = 0;
 155     s->dispc.l[0].addr[1] = 0;
 156     s->dispc.l[0].addr[2] = 0;
 157     s->dispc.l[0].posx = 0;
 158     s->dispc.l[0].posy = 0;
 159     s->dispc.l[0].nx = 1;
 160     s->dispc.l[0].ny = 1;
 161     s->dispc.l[0].attr = 0;
 162     s->dispc.l[0].tresh = 0;
 163     s->dispc.l[0].rowinc = 1;
 164     s->dispc.l[0].colinc = 1;
 165     s->dispc.l[0].wininc = 0;
 166
 167     omap_rfbi_reset(s);
 168     omap_dispc_interrupt_update(s);
 169 }
 170
 171 static uint64_t omap_diss_read(void *opaque, hwaddr addr,
 172                                unsigned size)
 173 {
 174     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 175
 176     if (size != 4) {
 177         return omap_badwidth_read32(opaque, addr);
 178     }
 179
 180     switch (addr) {
 181     case 0x00:  /* DSS_REVISIONNUMBER */
 182         return 0x20;
 183
 184     case 0x10:  /* DSS_SYSCONFIG */
 185         return s->autoidle;
 186
 187     case 0x14:  /* DSS_SYSSTATUS */
 188         return 1;                                               /* RESETDONE */
 189
 190     case 0x40:  /* DSS_CONTROL */
 191         return s->control;
 192
 193     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 194     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 195     case 0x58:  /* DSS_PSA_VIDEO_REG */
 196         /* TODO: fake some values when appropriate s->control bits are set */
 197         return 0;
 198
 199     case 0x5c:  /* DSS_STATUS */
 200         return 1 + (s->control & 1);
 201
 202     default:
 203         break;
 204     }
 205     OMAP_BAD_REG(addr);
 206     return 0;
 207 }
 208
 209 static void omap_diss_write(void *opaque, hwaddr addr,
 210                             uint64_t value, unsigned size)
 211 {
 212     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 213
 214     if (size != 4) {
 215         omap_badwidth_write32(opaque, addr, value);
 216         return;
 217     }
 218
 219     switch (addr) {
 220     case 0x00:  /* DSS_REVISIONNUMBER */
 221     case 0x14:  /* DSS_SYSSTATUS */
 222     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 223     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 224     case 0x58:  /* DSS_PSA_VIDEO_REG */
 225     case 0x5c:  /* DSS_STATUS */
 226         OMAP_RO_REG(addr);
 227         break;
 228
 229     case 0x10:  /* DSS_SYSCONFIG */
 230         if (value & 2)                                          /* SOFTRESET */
 231             omap_dss_reset(s);
 232         s->autoidle = value & 1;
 233         break;
 234
 235     case 0x40:  /* DSS_CONTROL */
 236         s->control = value & 0x3dd;
 237         break;
 238
 239     default:
 240         OMAP_BAD_REG(addr);
 241     }
 242 }
 243
 244 static const MemoryRegionOps omap_diss_ops = {
 245     .read = omap_diss_read,
 246     .write = omap_diss_write,
 247     .endianness = DEVICE_NATIVE_ENDIAN,
 248 };
 249
 250 static uint64_t omap_disc_read(void *opaque, hwaddr addr,
 251                                unsigned size)
 252 {
 253     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 254
 255     if (size != 4) {
 256         return omap_badwidth_read32(opaque, addr);
 257     }
 258
 259     switch (addr) {
 260     case 0x000: /* DISPC_REVISION */
 261         return 0x20;
 262
 263     case 0x010: /* DISPC_SYSCONFIG */
 264         return s->dispc.idlemode;
 265
 266     case 0x014: /* DISPC_SYSSTATUS */
 267         return 1;                                               /* RESETDONE */
 268
 269     case 0x018: /* DISPC_IRQSTATUS */
 270         return s->dispc.irqst;
 271
 272     case 0x01c: /* DISPC_IRQENABLE */
 273         return s->dispc.irqen;
 274
 275     case 0x040: /* DISPC_CONTROL */
 276         return s->dispc.control;
 277
 278     case 0x044: /* DISPC_CONFIG */
 279         return s->dispc.config;
 280
 281     case 0x048: /* DISPC_CAPABLE */
 282         return s->dispc.capable;
 283
 284     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 285         return s->dispc.bg[0];
 286     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 287         return s->dispc.bg[1];
 288     case 0x054: /* DISPC_TRANS_COLOR0 */
 289         return s->dispc.trans[0];
 290     case 0x058: /* DISPC_TRANS_COLOR1 */
 291         return s->dispc.trans[1];
 292
 293     case 0x05c: /* DISPC_LINE_STATUS */
 294         return 0x7ff;
 295     case 0x060: /* DISPC_LINE_NUMBER */
 296         return s->dispc.line;
 297
 298     case 0x064: /* DISPC_TIMING_H */
 299         return s->dispc.timing[0];
 300     case 0x068: /* DISPC_TIMING_V */
 301         return s->dispc.timing[1];
 302     case 0x06c: /* DISPC_POL_FREQ */
 303         return s->dispc.timing[2];
 304     case 0x070: /* DISPC_DIVISOR */
 305         return s->dispc.timing[3];
 306
 307     case 0x078: /* DISPC_SIZE_DIG */
 308         return ((s->dig.ny - 1) << 16) | (s->dig.nx - 1);
 309     case 0x07c: /* DISPC_SIZE_LCD */
 310         return ((s->lcd.ny - 1) << 16) | (s->lcd.nx - 1);
 311
 312     case 0x080: /* DISPC_GFX_BA0 */
 313         return s->dispc.l[0].addr[0];
 314     case 0x084: /* DISPC_GFX_BA1 */
 315         return s->dispc.l[0].addr[1];
 316     case 0x088: /* DISPC_GFX_POSITION */
 317         return (s->dispc.l[0].posy << 16) | s->dispc.l[0].posx;
 318     case 0x08c: /* DISPC_GFX_SIZE */
 319         return ((s->dispc.l[0].ny - 1) << 16) | (s->dispc.l[0].nx - 1);
 320     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 321         return s->dispc.l[0].attr;
 322     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 323         return s->dispc.l[0].tresh;
 324     case 0x0a8: /* DISPC_GFX_FIFO_SIZE_STATUS */
 325         return 256;
 326     case 0x0ac: /* DISPC_GFX_ROW_INC */
 327         return s->dispc.l[0].rowinc;
 328     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 329         return s->dispc.l[0].colinc;
 330     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 331         return s->dispc.l[0].wininc;
 332     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 333         return s->dispc.l[0].addr[2];
 334
 335     case 0x0bc: /* DISPC_VID1_BA0 */
 336     case 0x0c0: /* DISPC_VID1_BA1 */
 337     case 0x0c4: /* DISPC_VID1_POSITION */
 338     case 0x0c8: /* DISPC_VID1_SIZE */
 339     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 340     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 341     case 0x0d4: /* DISPC_VID1_FIFO_SIZE_STATUS */
 342     case 0x0d8: /* DISPC_VID1_ROW_INC */
 343     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 344     case 0x0e0: /* DISPC_VID1_FIR */
 345     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 346     case 0x0e8: /* DISPC_VID1_ACCU0 */
 347     case 0x0ec: /* DISPC_VID1_ACCU1 */
 348     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 349     case 0x14c: /* DISPC_VID2_BA0 */
 350     case 0x150: /* DISPC_VID2_BA1 */
 351     case 0x154: /* DISPC_VID2_POSITION */
 352     case 0x158: /* DISPC_VID2_SIZE */
 353     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 354     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 355     case 0x164: /* DISPC_VID2_FIFO_SIZE_STATUS */
 356     case 0x168: /* DISPC_VID2_ROW_INC */
 357     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 358     case 0x170: /* DISPC_VID2_FIR */
 359     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 360     case 0x178: /* DISPC_VID2_ACCU0 */
 361     case 0x17c: /* DISPC_VID2_ACCU1 */
 362     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 363     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 364     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 365     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 366         return 0;
 367
 368     default:
 369         break;
 370     }
 371     OMAP_BAD_REG(addr);
 372     return 0;
 373 }
 374
 375 static void omap_disc_write(void *opaque, hwaddr addr,
 376                             uint64_t value, unsigned size)
 377 {
 378     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 379
 380     if (size != 4) {
 381         omap_badwidth_write32(opaque, addr, value);
 382         return;
 383     }
 384
 385     switch (addr) {
 386     case 0x010: /* DISPC_SYSCONFIG */
 387         if (value & 2)                                          /* SOFTRESET */
 388             omap_dss_reset(s);
 389         s->dispc.idlemode = value & 0x301b;
 390         break;
 391
 392     case 0x018: /* DISPC_IRQSTATUS */
 393         s->dispc.irqst &= ~value;
 394         omap_dispc_interrupt_update(s);
 395         break;
 396
 397     case 0x01c: /* DISPC_IRQENABLE */
 398         s->dispc.irqen = value & 0xffff;
 399         omap_dispc_interrupt_update(s);
 400         break;
 401
 402     case 0x040: /* DISPC_CONTROL */
 403         s->dispc.control = value & 0x07ff9fff;
 404         s->dig.enable = (value >> 1) & 1;
 405         s->lcd.enable = (value >> 0) & 1;
 406         if (value & (1 << 12))                  /* OVERLAY_OPTIMIZATION */
 407             if (!((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1)) {
 408                 fprintf(stderr, "%s: Overlay Optimization when no overlay "
 409                         "region effectively exists leads to "
 410                         "unpredictable behaviour!\n", __func__);
 411             }
 412         if (value & (1 << 6)) {                         /* GODIGITAL */
 413             /* XXX: Shadowed fields are:
 414              * s->dispc.config
 415              * s->dispc.capable
 416              * s->dispc.bg[0]
 417              * s->dispc.bg[1]
 418              * s->dispc.trans[0]
 419              * s->dispc.trans[1]
 420              * s->dispc.line
 421              * s->dispc.timing[0]
 422              * s->dispc.timing[1]
 423              * s->dispc.timing[2]
 424              * s->dispc.timing[3]
 425              * s->lcd.nx
 426              * s->lcd.ny
 427              * s->dig.nx
 428              * s->dig.ny
 429              * s->dispc.l[0].addr[0]
 430              * s->dispc.l[0].addr[1]
 431              * s->dispc.l[0].addr[2]
 432              * s->dispc.l[0].posx
 433              * s->dispc.l[0].posy
 434              * s->dispc.l[0].nx
 435              * s->dispc.l[0].ny
 436              * s->dispc.l[0].tresh
 437              * s->dispc.l[0].rowinc
 438              * s->dispc.l[0].colinc
 439              * s->dispc.l[0].wininc
 440              * All they need to be loaded here from their shadow registers.
 441              */
 442         }
 443         if (value & (1 << 5)) {                         /* GOLCD */
 444              /* XXX: Likewise for LCD here.  */
 445         }
 446         s->dispc.invalidate = 1;
 447         break;
 448
 449     case 0x044: /* DISPC_CONFIG */
 450         s->dispc.config = value & 0x3fff;
 451         /* XXX:
 452          * bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded
 453          * bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded
 454          */
 455         s->dispc.invalidate = 1;
 456         break;
 457
 458     case 0x048: /* DISPC_CAPABLE */
 459         s->dispc.capable = value & 0x3ff;
 460         break;
 461
 462     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 463         s->dispc.bg[0] = value & 0xffffff;
 464         s->dispc.invalidate = 1;
 465         break;
 466     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 467         s->dispc.bg[1] = value & 0xffffff;
 468         s->dispc.invalidate = 1;
 469         break;
 470     case 0x054: /* DISPC_TRANS_COLOR0 */
 471         s->dispc.trans[0] = value & 0xffffff;
 472         s->dispc.invalidate = 1;
 473         break;
 474     case 0x058: /* DISPC_TRANS_COLOR1 */
 475         s->dispc.trans[1] = value & 0xffffff;
 476         s->dispc.invalidate = 1;
 477         break;
 478
 479     case 0x060: /* DISPC_LINE_NUMBER */
 480         s->dispc.line = value & 0x7ff;
 481         break;
 482
 483     case 0x064: /* DISPC_TIMING_H */
 484         s->dispc.timing[0] = value & 0x0ff0ff3f;
 485         break;
 486     case 0x068: /* DISPC_TIMING_V */
 487         s->dispc.timing[1] = value & 0x0ff0ff3f;
 488         break;
 489     case 0x06c: /* DISPC_POL_FREQ */
 490         s->dispc.timing[2] = value & 0x0003ffff;
 491         break;
 492     case 0x070: /* DISPC_DIVISOR */
 493         s->dispc.timing[3] = value & 0x00ff00ff;
 494         break;
 495
 496     case 0x078: /* DISPC_SIZE_DIG */
 497         s->dig.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 498         s->dig.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 499         s->dispc.invalidate = 1;
 500         break;
 501     case 0x07c: /* DISPC_SIZE_LCD */
 502         s->lcd.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 503         s->lcd.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 504         s->dispc.invalidate = 1;
 505         break;
 506     case 0x080: /* DISPC_GFX_BA0 */
 507         s->dispc.l[0].addr[0] = (hwaddr) value;
 508         s->dispc.invalidate = 1;
 509         break;
 510     case 0x084: /* DISPC_GFX_BA1 */
 511         s->dispc.l[0].addr[1] = (hwaddr) value;
 512         s->dispc.invalidate = 1;
 513         break;
 514     case 0x088: /* DISPC_GFX_POSITION */
 515         s->dispc.l[0].posx = ((value >>  0) & 0x7ff);           /* GFXPOSX */
 516         s->dispc.l[0].posy = ((value >> 16) & 0x7ff);           /* GFXPOSY */
 517         s->dispc.invalidate = 1;
 518         break;
 519     case 0x08c: /* DISPC_GFX_SIZE */
 520         s->dispc.l[0].nx = ((value >>  0) & 0x7ff) + 1;         /* GFXSIZEX */
 521         s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1;         /* GFXSIZEY */
 522         s->dispc.invalidate = 1;
 523         break;
 524     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 525         s->dispc.l[0].attr = value & 0x7ff;
 526         if (value & (3 << 9))
 527             fprintf(stderr, "%s: Big-endian pixel format not supported\n",
 528                             __FUNCTION__);
 529         s->dispc.l[0].enable = value & 1;
 530         s->dispc.l[0].bpp = (value >> 1) & 0xf;
 531         s->dispc.invalidate = 1;
 532         break;
 533     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 534         s->dispc.l[0].tresh = value & 0x01ff01ff;
 535         break;
 536     case 0x0ac: /* DISPC_GFX_ROW_INC */
 537         s->dispc.l[0].rowinc = value;
 538         s->dispc.invalidate = 1;
 539         break;
 540     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 541         s->dispc.l[0].colinc = value;
 542         s->dispc.invalidate = 1;
 543         break;
 544     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 545         s->dispc.l[0].wininc = value;
 546         break;
 547     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 548         s->dispc.l[0].addr[2] = (hwaddr) value;
 549         s->dispc.invalidate = 1;
 550         break;
 551
 552     case 0x0bc: /* DISPC_VID1_BA0 */
 553     case 0x0c0: /* DISPC_VID1_BA1 */
 554     case 0x0c4: /* DISPC_VID1_POSITION */
 555     case 0x0c8: /* DISPC_VID1_SIZE */
 556     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 557     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 558     case 0x0d8: /* DISPC_VID1_ROW_INC */
 559     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 560     case 0x0e0: /* DISPC_VID1_FIR */
 561     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 562     case 0x0e8: /* DISPC_VID1_ACCU0 */
 563     case 0x0ec: /* DISPC_VID1_ACCU1 */
 564     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 565     case 0x14c: /* DISPC_VID2_BA0 */
 566     case 0x150: /* DISPC_VID2_BA1 */
 567     case 0x154: /* DISPC_VID2_POSITION */
 568     case 0x158: /* DISPC_VID2_SIZE */
 569     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 570     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 571     case 0x168: /* DISPC_VID2_ROW_INC */
 572     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 573     case 0x170: /* DISPC_VID2_FIR */
 574     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 575     case 0x178: /* DISPC_VID2_ACCU0 */
 576     case 0x17c: /* DISPC_VID2_ACCU1 */
 577     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 578     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 579     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 580     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 581         break;
 582
 583     default:
 584         OMAP_BAD_REG(addr);
 585     }
 586 }
 587
 588 static const MemoryRegionOps omap_disc_ops = {
 589     .read = omap_disc_read,
 590     .write = omap_disc_write,
 591     .endianness = DEVICE_NATIVE_ENDIAN,
 592 };
 593
 594 static void omap_rfbi_transfer_stop(struct omap_dss_s *s)
 595 {
 596     if (!s->rfbi.busy)
 597         return;
 598
 599     /* TODO: in non-Bypass mode we probably need to just deassert the DRQ.  */
 600
 601     s->rfbi.busy = 0;
 602 }
 603
 604 static void omap_rfbi_transfer_start(struct omap_dss_s *s)
 605 {
 606     void *data;
 607     hwaddr len;
 608     hwaddr data_addr;
 609     int pitch;
 610     static void *bounce_buffer;
 611     static hwaddr bounce_len;
 612
 613     if (!s->rfbi.enable || s->rfbi.busy)
 614         return;
 615
 616     if (s->rfbi.control & (1 << 1)) {                           /* BYPASS */
 617         /* TODO: in non-Bypass mode we probably need to just assert the
 618          * DRQ and wait for DMA to write the pixels.  */
 619         fprintf(stderr, "%s: Bypass mode unimplemented\n", __FUNCTION__);
 620         return;
 621     }
 622
 623     if (!(s->dispc.control & (1 << 11)))                        /* RFBIMODE */
 624         return;
 625     /* TODO: check that LCD output is enabled in DISPC.  */
 626
 627     s->rfbi.busy = 1;
 628
 629     len = s->rfbi.pixels * 2;
 630
 631     data_addr = s->dispc.l[0].addr[0];
 632     data = cpu_physical_memory_map(data_addr, &len, 0);
 633     if (data && len != s->rfbi.pixels * 2) {
 634         cpu_physical_memory_unmap(data, len, 0, 0);
 635         data = NULL;
 636         len = s->rfbi.pixels * 2;
 637     }
 638     if (!data) {
 639         if (len > bounce_len) {
 640             bounce_buffer = g_realloc(bounce_buffer, len);
 641         }
 642         data = bounce_buffer;
 643         cpu_physical_memory_read(data_addr, data, len);
 644     }
 645
 646     /* TODO bpp */
 647     s->rfbi.pixels = 0;
 648
 649     /* TODO: negative values */
 650     pitch = s->dispc.l[0].nx + (s->dispc.l[0].rowinc - 1) / 2;
 651
 652     if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 653         s->rfbi.chip[0]->block(s->rfbi.chip[0]->opaque, 1, data, len, pitch);
 654     if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 655         s->rfbi.chip[1]->block(s->rfbi.chip[1]->opaque, 1, data, len, pitch);
 656
 657     if (data != bounce_buffer) {
 658         cpu_physical_memory_unmap(data, len, 0, len);
 659     }
 660
 661     omap_rfbi_transfer_stop(s);
 662
 663     /* TODO */
 664     s->dispc.irqst |= 1;                                        /* FRAMEDONE */
 665     omap_dispc_interrupt_update(s);
 666 }
 667
 668 static uint64_t omap_rfbi_read(void *opaque, hwaddr addr,
 669                                unsigned size)
 670 {
 671     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 672
 673     if (size != 4) {
 674         return omap_badwidth_read32(opaque, addr);
 675     }
 676
 677     switch (addr) {
 678     case 0x00:  /* RFBI_REVISION */
 679         return 0x10;
 680
 681     case 0x10:  /* RFBI_SYSCONFIG */
 682         return s->rfbi.idlemode;
 683
 684     case 0x14:  /* RFBI_SYSSTATUS */
 685         return 1 | (s->rfbi.busy << 8);                         /* RESETDONE */
 686
 687     case 0x40:  /* RFBI_CONTROL */
 688         return s->rfbi.control;
 689
 690     case 0x44:  /* RFBI_PIXELCNT */
 691         return s->rfbi.pixels;
 692
 693     case 0x48:  /* RFBI_LINE_NUMBER */
 694         return s->rfbi.skiplines;
 695
 696     case 0x58:  /* RFBI_READ */
 697     case 0x5c:  /* RFBI_STATUS */
 698         return s->rfbi.rxbuf;
 699
 700     case 0x60:  /* RFBI_CONFIG0 */
 701         return s->rfbi.config[0];
 702     case 0x64:  /* RFBI_ONOFF_TIME0 */
 703         return s->rfbi.time[0];
 704     case 0x68:  /* RFBI_CYCLE_TIME0 */
 705         return s->rfbi.time[1];
 706     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 707         return s->rfbi.data[0];
 708     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 709         return s->rfbi.data[1];
 710     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 711         return s->rfbi.data[2];
 712
 713     case 0x78:  /* RFBI_CONFIG1 */
 714         return s->rfbi.config[1];
 715     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 716         return s->rfbi.time[2];
 717     case 0x80:  /* RFBI_CYCLE_TIME1 */
 718         return s->rfbi.time[3];
 719     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 720         return s->rfbi.data[3];
 721     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 722         return s->rfbi.data[4];
 723     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 724         return s->rfbi.data[5];
 725
 726     case 0x90:  /* RFBI_VSYNC_WIDTH */
 727         return s->rfbi.vsync;
 728     case 0x94:  /* RFBI_HSYNC_WIDTH */
 729         return s->rfbi.hsync;
 730     }
 731     OMAP_BAD_REG(addr);
 732     return 0;
 733 }
 734
 735 static void omap_rfbi_write(void *opaque, hwaddr addr,
 736                             uint64_t value, unsigned size)
 737 {
 738     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 739
 740     if (size != 4) {
 741         omap_badwidth_write32(opaque, addr, value);
 742         return;
 743     }
 744
 745     switch (addr) {
 746     case 0x10:  /* RFBI_SYSCONFIG */
 747         if (value & 2)                                          /* SOFTRESET */
 748             omap_rfbi_reset(s);
 749         s->rfbi.idlemode = value & 0x19;
 750         break;
 751
 752     case 0x40:  /* RFBI_CONTROL */
 753         s->rfbi.control = value & 0xf;
 754         s->rfbi.enable = value & 1;
 755         if (value & (1 << 4) &&                                 /* ITE */
 756                         !(s->rfbi.config[0] & s->rfbi.config[1] & 0xc))
 757             omap_rfbi_transfer_start(s);
 758         break;
 759
 760     case 0x44:  /* RFBI_PIXELCNT */
 761         s->rfbi.pixels = value;
 762         break;
 763
 764     case 0x48:  /* RFBI_LINE_NUMBER */
 765         s->rfbi.skiplines = value & 0x7ff;
 766         break;
 767
 768     case 0x4c:  /* RFBI_CMD */
 769         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 770             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 0, value & 0xffff);
 771         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 772             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 0, value & 0xffff);
 773         break;
 774     case 0x50:  /* RFBI_PARAM */
 775         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 776             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 777         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 778             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
 779         break;
 780     case 0x54:  /* RFBI_DATA */
 781         /* TODO: take into account the format set up in s->rfbi.config[?] and
 782          * s->rfbi.data[?], but special-case the most usual scenario so that
 783          * speed doesn't suffer.  */
 784         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) {
 785             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 786             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value >> 16);
 787         }
 788         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1]) {
 789             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
 790             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value >> 16);
 791         }
 792         if (!-- s->rfbi.pixels)
 793             omap_rfbi_transfer_stop(s);
 794         break;
 795     case 0x58:  /* RFBI_READ */
 796         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 797             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
 798         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 799             s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 1);
 800         if (!-- s->rfbi.pixels)
 801             omap_rfbi_transfer_stop(s);
 802         break;
 803
 804     case 0x5c:  /* RFBI_STATUS */
 805         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 806             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
 807         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 808             s->rfbi.rxbuf = s->rfbi.chip[1]->read(s->rfbi.chip[1]->opaque, 0);
 809         if (!-- s->rfbi.pixels)
 810             omap_rfbi_transfer_stop(s);
 811         break;
 812
 813     case 0x60:  /* RFBI_CONFIG0 */
 814         s->rfbi.config[0] = value & 0x003f1fff;
 815         break;
 816
 817     case 0x64:  /* RFBI_ONOFF_TIME0 */
 818         s->rfbi.time[0] = value & 0x3fffffff;
 819         break;
 820     case 0x68:  /* RFBI_CYCLE_TIME0 */
 821         s->rfbi.time[1] = value & 0x0fffffff;
 822         break;
 823     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 824         s->rfbi.data[0] = value & 0x0f1f0f1f;
 825         break;
 826     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 827         s->rfbi.data[1] = value & 0x0f1f0f1f;
 828         break;
 829     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 830         s->rfbi.data[2] = value & 0x0f1f0f1f;
 831         break;
 832     case 0x78:  /* RFBI_CONFIG1 */
 833         s->rfbi.config[1] = value & 0x003f1fff;
 834         break;
 835
 836     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 837         s->rfbi.time[2] = value & 0x3fffffff;
 838         break;
 839     case 0x80:  /* RFBI_CYCLE_TIME1 */
 840         s->rfbi.time[3] = value & 0x0fffffff;
 841         break;
 842     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 843         s->rfbi.data[3] = value & 0x0f1f0f1f;
 844         break;
 845     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 846         s->rfbi.data[4] = value & 0x0f1f0f1f;
 847         break;
 848     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 849         s->rfbi.data[5] = value & 0x0f1f0f1f;
 850         break;
 851
 852     case 0x90:  /* RFBI_VSYNC_WIDTH */
 853         s->rfbi.vsync = value & 0xffff;
 854         break;
 855     case 0x94:  /* RFBI_HSYNC_WIDTH */
 856         s->rfbi.hsync = value & 0xffff;
 857         break;
 858
 859     default:
 860         OMAP_BAD_REG(addr);
 861     }
 862 }
 863
 864 static const MemoryRegionOps omap_rfbi_ops = {
 865     .read = omap_rfbi_read,
 866     .write = omap_rfbi_write,
 867     .endianness = DEVICE_NATIVE_ENDIAN,
 868 };
 869
 870 static uint64_t omap_venc_read(void *opaque, hwaddr addr,
 871                                unsigned size)
 872 {
 873     if (size != 4) {
 874         return omap_badwidth_read32(opaque, addr);
 875     }
 876
 877     switch (addr) {
 878     case 0x00:  /* REV_ID */
 879     case 0x04:  /* STATUS */
 880     case 0x08:  /* F_CONTROL */
 881     case 0x10:  /* VIDOUT_CTRL */
 882     case 0x14:  /* SYNC_CTRL */
 883     case 0x1c:  /* LLEN */
 884     case 0x20:  /* FLENS */
 885     case 0x24:  /* HFLTR_CTRL */
 886     case 0x28:  /* CC_CARR_WSS_CARR */
 887     case 0x2c:  /* C_PHASE */
 888     case 0x30:  /* GAIN_U */
 889     case 0x34:  /* GAIN_V */
 890     case 0x38:  /* GAIN_Y */
 891     case 0x3c:  /* BLACK_LEVEL */
 892     case 0x40:  /* BLANK_LEVEL */
 893     case 0x44:  /* X_COLOR */
 894     case 0x48:  /* M_CONTROL */
 895     case 0x4c:  /* BSTAMP_WSS_DATA */
 896     case 0x50:  /* S_CARR */
 897     case 0x54:  /* LINE21 */
 898     case 0x58:  /* LN_SEL */
 899     case 0x5c:  /* L21__WC_CTL */
 900     case 0x60:  /* HTRIGGER_VTRIGGER */
 901     case 0x64:  /* SAVID__EAVID */
 902     case 0x68:  /* FLEN__FAL */
 903     case 0x6c:  /* LAL__PHASE_RESET */
 904     case 0x70:  /* HS_INT_START_STOP_X */
 905     case 0x74:  /* HS_EXT_START_STOP_X */
 906     case 0x78:  /* VS_INT_START_X */
 907     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 908     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 909     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 910     case 0x88:  /* VS_EXT_STOP_Y */
 911     case 0x90:  /* AVID_START_STOP_X */
 912     case 0x94:  /* AVID_START_STOP_Y */
 913     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 914     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 915     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 916     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 917     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 918     case 0xb8:  /* GEN_CTRL */
 919     case 0xc4:  /* DAC_TST__DAC_A */
 920     case 0xc8:  /* DAC_B__DAC_C */
 921         return 0;
 922
 923     default:
 924         break;
 925     }
 926     OMAP_BAD_REG(addr);
 927     return 0;
 928 }
 929
 930 static void omap_venc_write(void *opaque, hwaddr addr,
 931                             uint64_t value, unsigned size)
 932 {
 933     if (size != 4) {
 934         omap_badwidth_write32(opaque, addr, size);
 935         return;
 936     }
 937
 938     switch (addr) {
 939     case 0x08:  /* F_CONTROL */
 940     case 0x10:  /* VIDOUT_CTRL */
 941     case 0x14:  /* SYNC_CTRL */
 942     case 0x1c:  /* LLEN */
 943     case 0x20:  /* FLENS */
 944     case 0x24:  /* HFLTR_CTRL */
 945     case 0x28:  /* CC_CARR_WSS_CARR */
 946     case 0x2c:  /* C_PHASE */
 947     case 0x30:  /* GAIN_U */
 948     case 0x34:  /* GAIN_V */
 949     case 0x38:  /* GAIN_Y */
 950     case 0x3c:  /* BLACK_LEVEL */
 951     case 0x40:  /* BLANK_LEVEL */
 952     case 0x44:  /* X_COLOR */
 953     case 0x48:  /* M_CONTROL */
 954     case 0x4c:  /* BSTAMP_WSS_DATA */
 955     case 0x50:  /* S_CARR */
 956     case 0x54:  /* LINE21 */
 957     case 0x58:  /* LN_SEL */
 958     case 0x5c:  /* L21__WC_CTL */
 959     case 0x60:  /* HTRIGGER_VTRIGGER */
 960     case 0x64:  /* SAVID__EAVID */
 961     case 0x68:  /* FLEN__FAL */
 962     case 0x6c:  /* LAL__PHASE_RESET */
 963     case 0x70:  /* HS_INT_START_STOP_X */
 964     case 0x74:  /* HS_EXT_START_STOP_X */
 965     case 0x78:  /* VS_INT_START_X */
 966     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 967     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 968     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 969     case 0x88:  /* VS_EXT_STOP_Y */
 970     case 0x90:  /* AVID_START_STOP_X */
 971     case 0x94:  /* AVID_START_STOP_Y */
 972     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 973     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 974     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 975     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 976     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 977     case 0xb8:  /* GEN_CTRL */
 978     case 0xc4:  /* DAC_TST__DAC_A */
 979     case 0xc8:  /* DAC_B__DAC_C */
 980         break;
 981
 982     default:
 983         OMAP_BAD_REG(addr);
 984     }
 985 }
 986
 987 static const MemoryRegionOps omap_venc_ops = {
 988     .read = omap_venc_read,
 989     .write = omap_venc_write,
 990     .endianness = DEVICE_NATIVE_ENDIAN,
 991 };
 992
 993 static uint64_t omap_im3_read(void *opaque, hwaddr addr,
 994                               unsigned size)
 995 {
 996     if (size != 4) {
 997         return omap_badwidth_read32(opaque, addr);
 998     }
 999
1000     switch (addr) {
1001     case 0x0a8: /* SBIMERRLOGA */
1002     case 0x0b0: /* SBIMERRLOG */
1003     case 0x190: /* SBIMSTATE */
1004     case 0x198: /* SBTMSTATE_L */
1005     case 0x19c: /* SBTMSTATE_H */
1006     case 0x1a8: /* SBIMCONFIG_L */
1007     case 0x1ac: /* SBIMCONFIG_H */
1008     case 0x1f8: /* SBID_L */
1009     case 0x1fc: /* SBID_H */
1010         return 0;
1011
1012     default:
1013         break;
1014     }
1015     OMAP_BAD_REG(addr);
1016     return 0;
1017 }
1018
1019 static void omap_im3_write(void *opaque, hwaddr addr,
1020                            uint64_t value, unsigned size)
1021 {
1022     if (size != 4) {
1023         omap_badwidth_write32(opaque, addr, value);
1024         return;
1025     }
1026
1027     switch (addr) {
1028     case 0x0b0: /* SBIMERRLOG */
1029     case 0x190: /* SBIMSTATE */
1030     case 0x198: /* SBTMSTATE_L */
1031     case 0x19c: /* SBTMSTATE_H */
1032     case 0x1a8: /* SBIMCONFIG_L */
1033     case 0x1ac: /* SBIMCONFIG_H */
1034         break;
1035
1036     default:
1037         OMAP_BAD_REG(addr);
1038     }
1039 }
1040
1041 static const MemoryRegionOps omap_im3_ops = {
1042     .read = omap_im3_read,
1043     .write = omap_im3_write,
1044     .endianness = DEVICE_NATIVE_ENDIAN,
1045 };
1046
1047 struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
1048                 MemoryRegion *sysmem,
1049                 hwaddr l3_base,
1050                 qemu_irq irq, qemu_irq drq,
1051                 omap_clk fck1, omap_clk fck2, omap_clk ck54m,
1052                 omap_clk ick1, omap_clk ick2)
1053 {
1054     struct omap_dss_s *s = g_new0(struct omap_dss_s, 1);
1055
1056     s->irq = irq;
1057     s->drq = drq;
1058     omap_dss_reset(s);
1059
1060     memory_region_init_io(&s->iomem_diss1, NULL, &omap_diss_ops, s, "omap.diss1",
1061                           omap_l4_region_size(ta, 0));
1062     memory_region_init_io(&s->iomem_disc1, NULL, &omap_disc_ops, s, "omap.disc1",
1063                           omap_l4_region_size(ta, 1));
1064     memory_region_init_io(&s->iomem_rfbi1, NULL, &omap_rfbi_ops, s, "omap.rfbi1",
1065                           omap_l4_region_size(ta, 2));
1066     memory_region_init_io(&s->iomem_venc1, NULL, &omap_venc_ops, s, "omap.venc1",
1067                           omap_l4_region_size(ta, 3));
1068     memory_region_init_io(&s->iomem_im3, NULL, &omap_im3_ops, s,
1069                           "omap.im3", 0x1000);
1070
1071     omap_l4_attach(ta, 0, &s->iomem_diss1);
1072     omap_l4_attach(ta, 1, &s->iomem_disc1);
1073     omap_l4_attach(ta, 2, &s->iomem_rfbi1);
1074     omap_l4_attach(ta, 3, &s->iomem_venc1);
1075     memory_region_add_subregion(sysmem, l3_base, &s->iomem_im3);
1076
1077 #if 0
1078     s->state = graphic_console_init(omap_update_display,
1079                                     omap_invalidate_display, omap_screen_dump, s);
1080 #endif
1081
1082     return s;
1083 }
1084
1085 void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip)
1086 {
1087     if (cs < 0 || cs > 1)
1088         hw_error("%s: wrong CS %i\n", __FUNCTION__, cs);
1089     s->rfbi.chip[cs] = chip;
1090 }