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 along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21 #include "hw.h"
  22 #include "console.h"
  23 #include "omap.h"
  24
  25 struct omap_dss_s {
  26     qemu_irq irq;
  27     qemu_irq drq;
  28     DisplayState *state;
  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             target_phys_addr_t 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 uint32_t omap_diss_read(void *opaque, target_phys_addr_t addr)
 172 {
 173     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 174
 175     switch (addr) {
 176     case 0x00:  /* DSS_REVISIONNUMBER */
 177         return 0x20;
 178
 179     case 0x10:  /* DSS_SYSCONFIG */
 180         return s->autoidle;
 181
 182     case 0x14:  /* DSS_SYSSTATUS */
 183         return 1;                                               /* RESETDONE */
 184
 185     case 0x40:  /* DSS_CONTROL */
 186         return s->control;
 187
 188     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 189     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 190     case 0x58:  /* DSS_PSA_VIDEO_REG */
 191         /* TODO: fake some values when appropriate s->control bits are set */
 192         return 0;
 193
 194     case 0x5c:  /* DSS_STATUS */
 195         return 1 + (s->control & 1);
 196
 197     default:
 198         break;
 199     }
 200     OMAP_BAD_REG(addr);
 201     return 0;
 202 }
 203
 204 static void omap_diss_write(void *opaque, target_phys_addr_t addr,
 205                 uint32_t value)
 206 {
 207     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 208
 209     switch (addr) {
 210     case 0x00:  /* DSS_REVISIONNUMBER */
 211     case 0x14:  /* DSS_SYSSTATUS */
 212     case 0x50:  /* DSS_PSA_LCD_REG_1 */
 213     case 0x54:  /* DSS_PSA_LCD_REG_2 */
 214     case 0x58:  /* DSS_PSA_VIDEO_REG */
 215     case 0x5c:  /* DSS_STATUS */
 216         OMAP_RO_REG(addr);
 217         break;
 218
 219     case 0x10:  /* DSS_SYSCONFIG */
 220         if (value & 2)                                          /* SOFTRESET */
 221             omap_dss_reset(s);
 222         s->autoidle = value & 1;
 223         break;
 224
 225     case 0x40:  /* DSS_CONTROL */
 226         s->control = value & 0x3dd;
 227         break;
 228
 229     default:
 230         OMAP_BAD_REG(addr);
 231     }
 232 }
 233
 234 static CPUReadMemoryFunc *omap_diss1_readfn[] = {
 235     omap_badwidth_read32,
 236     omap_badwidth_read32,
 237     omap_diss_read,
 238 };
 239
 240 static CPUWriteMemoryFunc *omap_diss1_writefn[] = {
 241     omap_badwidth_write32,
 242     omap_badwidth_write32,
 243     omap_diss_write,
 244 };
 245
 246 static uint32_t omap_disc_read(void *opaque, target_phys_addr_t addr)
 247 {
 248     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 249
 250     switch (addr) {
 251     case 0x000: /* DISPC_REVISION */
 252         return 0x20;
 253
 254     case 0x010: /* DISPC_SYSCONFIG */
 255         return s->dispc.idlemode;
 256
 257     case 0x014: /* DISPC_SYSSTATUS */
 258         return 1;                                               /* RESETDONE */
 259
 260     case 0x018: /* DISPC_IRQSTATUS */
 261         return s->dispc.irqst;
 262
 263     case 0x01c: /* DISPC_IRQENABLE */
 264         return s->dispc.irqen;
 265
 266     case 0x040: /* DISPC_CONTROL */
 267         return s->dispc.control;
 268
 269     case 0x044: /* DISPC_CONFIG */
 270         return s->dispc.config;
 271
 272     case 0x048: /* DISPC_CAPABLE */
 273         return s->dispc.capable;
 274
 275     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 276         return s->dispc.bg[0];
 277     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 278         return s->dispc.bg[1];
 279     case 0x054: /* DISPC_TRANS_COLOR0 */
 280         return s->dispc.trans[0];
 281     case 0x058: /* DISPC_TRANS_COLOR1 */
 282         return s->dispc.trans[1];
 283
 284     case 0x05c: /* DISPC_LINE_STATUS */
 285         return 0x7ff;
 286     case 0x060: /* DISPC_LINE_NUMBER */
 287         return s->dispc.line;
 288
 289     case 0x064: /* DISPC_TIMING_H */
 290         return s->dispc.timing[0];
 291     case 0x068: /* DISPC_TIMING_V */
 292         return s->dispc.timing[1];
 293     case 0x06c: /* DISPC_POL_FREQ */
 294         return s->dispc.timing[2];
 295     case 0x070: /* DISPC_DIVISOR */
 296         return s->dispc.timing[3];
 297
 298     case 0x078: /* DISPC_SIZE_DIG */
 299         return ((s->dig.ny - 1) << 16) | (s->dig.nx - 1);
 300     case 0x07c: /* DISPC_SIZE_LCD */
 301         return ((s->lcd.ny - 1) << 16) | (s->lcd.nx - 1);
 302
 303     case 0x080: /* DISPC_GFX_BA0 */
 304         return s->dispc.l[0].addr[0];
 305     case 0x084: /* DISPC_GFX_BA1 */
 306         return s->dispc.l[0].addr[1];
 307     case 0x088: /* DISPC_GFX_POSITION */
 308         return (s->dispc.l[0].posy << 16) | s->dispc.l[0].posx;
 309     case 0x08c: /* DISPC_GFX_SIZE */
 310         return ((s->dispc.l[0].ny - 1) << 16) | (s->dispc.l[0].nx - 1);
 311     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 312         return s->dispc.l[0].attr;
 313     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 314         return s->dispc.l[0].tresh;
 315     case 0x0a8: /* DISPC_GFX_FIFO_SIZE_STATUS */
 316         return 256;
 317     case 0x0ac: /* DISPC_GFX_ROW_INC */
 318         return s->dispc.l[0].rowinc;
 319     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 320         return s->dispc.l[0].colinc;
 321     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 322         return s->dispc.l[0].wininc;
 323     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 324         return s->dispc.l[0].addr[2];
 325
 326     case 0x0bc: /* DISPC_VID1_BA0 */
 327     case 0x0c0: /* DISPC_VID1_BA1 */
 328     case 0x0c4: /* DISPC_VID1_POSITION */
 329     case 0x0c8: /* DISPC_VID1_SIZE */
 330     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 331     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 332     case 0x0d4: /* DISPC_VID1_FIFO_SIZE_STATUS */
 333     case 0x0d8: /* DISPC_VID1_ROW_INC */
 334     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 335     case 0x0e0: /* DISPC_VID1_FIR */
 336     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 337     case 0x0e8: /* DISPC_VID1_ACCU0 */
 338     case 0x0ec: /* DISPC_VID1_ACCU1 */
 339     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 340     case 0x14c: /* DISPC_VID2_BA0 */
 341     case 0x150: /* DISPC_VID2_BA1 */
 342     case 0x154: /* DISPC_VID2_POSITION */
 343     case 0x158: /* DISPC_VID2_SIZE */
 344     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 345     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 346     case 0x164: /* DISPC_VID2_FIFO_SIZE_STATUS */
 347     case 0x168: /* DISPC_VID2_ROW_INC */
 348     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 349     case 0x170: /* DISPC_VID2_FIR */
 350     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 351     case 0x178: /* DISPC_VID2_ACCU0 */
 352     case 0x17c: /* DISPC_VID2_ACCU1 */
 353     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 354     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 355     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 356     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 357         return 0;
 358
 359     default:
 360         break;
 361     }
 362     OMAP_BAD_REG(addr);
 363     return 0;
 364 }
 365
 366 static void omap_disc_write(void *opaque, target_phys_addr_t addr,
 367                 uint32_t value)
 368 {
 369     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 370
 371     switch (addr) {
 372     case 0x010: /* DISPC_SYSCONFIG */
 373         if (value & 2)                                          /* SOFTRESET */
 374             omap_dss_reset(s);
 375         s->dispc.idlemode = value & 0x301b;
 376         break;
 377
 378     case 0x018: /* DISPC_IRQSTATUS */
 379         s->dispc.irqst &= ~value;
 380         omap_dispc_interrupt_update(s);
 381         break;
 382
 383     case 0x01c: /* DISPC_IRQENABLE */
 384         s->dispc.irqen = value & 0xffff;
 385         omap_dispc_interrupt_update(s);
 386         break;
 387
 388     case 0x040: /* DISPC_CONTROL */
 389         s->dispc.control = value & 0x07ff9fff;
 390         s->dig.enable = (value >> 1) & 1;
 391         s->lcd.enable = (value >> 0) & 1;
 392         if (value & (1 << 12))                  /* OVERLAY_OPTIMIZATION */
 393             if (~((s->dispc.l[1].attr | s->dispc.l[2].attr) & 1))
 394                  fprintf(stderr, "%s: Overlay Optimization when no overlay "
 395                                  "region effectively exists leads to "
 396                                  "unpredictable behaviour!\n", __FUNCTION__);
 397         if (value & (1 << 6)) {                         /* GODIGITAL */
 398             /* XXX: Shadowed fields are:
 399              * s->dispc.config
 400              * s->dispc.capable
 401              * s->dispc.bg[0]
 402              * s->dispc.bg[1]
 403              * s->dispc.trans[0]
 404              * s->dispc.trans[1]
 405              * s->dispc.line
 406              * s->dispc.timing[0]
 407              * s->dispc.timing[1]
 408              * s->dispc.timing[2]
 409              * s->dispc.timing[3]
 410              * s->lcd.nx
 411              * s->lcd.ny
 412              * s->dig.nx
 413              * s->dig.ny
 414              * s->dispc.l[0].addr[0]
 415              * s->dispc.l[0].addr[1]
 416              * s->dispc.l[0].addr[2]
 417              * s->dispc.l[0].posx
 418              * s->dispc.l[0].posy
 419              * s->dispc.l[0].nx
 420              * s->dispc.l[0].ny
 421              * s->dispc.l[0].tresh
 422              * s->dispc.l[0].rowinc
 423              * s->dispc.l[0].colinc
 424              * s->dispc.l[0].wininc
 425              * All they need to be loaded here from their shadow registers.
 426              */
 427         }
 428         if (value & (1 << 5)) {                         /* GOLCD */
 429              /* XXX: Likewise for LCD here.  */
 430         }
 431         s->dispc.invalidate = 1;
 432         break;
 433
 434     case 0x044: /* DISPC_CONFIG */
 435         s->dispc.config = value & 0x3fff;
 436         /* XXX:
 437          * bits 2:1 (LOADMODE) reset to 0 after set to 1 and palette loaded
 438          * bits 2:1 (LOADMODE) reset to 2 after set to 3 and palette loaded
 439          */
 440         s->dispc.invalidate = 1;
 441         break;
 442
 443     case 0x048: /* DISPC_CAPABLE */
 444         s->dispc.capable = value & 0x3ff;
 445         break;
 446
 447     case 0x04c: /* DISPC_DEFAULT_COLOR0 */
 448         s->dispc.bg[0] = value & 0xffffff;
 449         s->dispc.invalidate = 1;
 450         break;
 451     case 0x050: /* DISPC_DEFAULT_COLOR1 */
 452         s->dispc.bg[1] = value & 0xffffff;
 453         s->dispc.invalidate = 1;
 454         break;
 455     case 0x054: /* DISPC_TRANS_COLOR0 */
 456         s->dispc.trans[0] = value & 0xffffff;
 457         s->dispc.invalidate = 1;
 458         break;
 459     case 0x058: /* DISPC_TRANS_COLOR1 */
 460         s->dispc.trans[1] = value & 0xffffff;
 461         s->dispc.invalidate = 1;
 462         break;
 463
 464     case 0x060: /* DISPC_LINE_NUMBER */
 465         s->dispc.line = value & 0x7ff;
 466         break;
 467
 468     case 0x064: /* DISPC_TIMING_H */
 469         s->dispc.timing[0] = value & 0x0ff0ff3f;
 470         break;
 471     case 0x068: /* DISPC_TIMING_V */
 472         s->dispc.timing[1] = value & 0x0ff0ff3f;
 473         break;
 474     case 0x06c: /* DISPC_POL_FREQ */
 475         s->dispc.timing[2] = value & 0x0003ffff;
 476         break;
 477     case 0x070: /* DISPC_DIVISOR */
 478         s->dispc.timing[3] = value & 0x00ff00ff;
 479         break;
 480
 481     case 0x078: /* DISPC_SIZE_DIG */
 482         s->dig.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 483         s->dig.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 484         s->dispc.invalidate = 1;
 485         break;
 486     case 0x07c: /* DISPC_SIZE_LCD */
 487         s->lcd.nx = ((value >>  0) & 0x7ff) + 1;                /* PPL */
 488         s->lcd.ny = ((value >> 16) & 0x7ff) + 1;                /* LPP */
 489         s->dispc.invalidate = 1;
 490         break;
 491     case 0x080: /* DISPC_GFX_BA0 */
 492         s->dispc.l[0].addr[0] = (target_phys_addr_t) value;
 493         s->dispc.invalidate = 1;
 494         break;
 495     case 0x084: /* DISPC_GFX_BA1 */
 496         s->dispc.l[0].addr[1] = (target_phys_addr_t) value;
 497         s->dispc.invalidate = 1;
 498         break;
 499     case 0x088: /* DISPC_GFX_POSITION */
 500         s->dispc.l[0].posx = ((value >>  0) & 0x7ff);           /* GFXPOSX */
 501         s->dispc.l[0].posy = ((value >> 16) & 0x7ff);           /* GFXPOSY */
 502         s->dispc.invalidate = 1;
 503         break;
 504     case 0x08c: /* DISPC_GFX_SIZE */
 505         s->dispc.l[0].nx = ((value >>  0) & 0x7ff) + 1;         /* GFXSIZEX */
 506         s->dispc.l[0].ny = ((value >> 16) & 0x7ff) + 1;         /* GFXSIZEY */
 507         s->dispc.invalidate = 1;
 508         break;
 509     case 0x0a0: /* DISPC_GFX_ATTRIBUTES */
 510         s->dispc.l[0].attr = value & 0x7ff;
 511         if (value & (3 << 9))
 512             fprintf(stderr, "%s: Big-endian pixel format not supported\n",
 513                             __FUNCTION__);
 514         s->dispc.l[0].enable = value & 1;
 515         s->dispc.l[0].bpp = (value >> 1) & 0xf;
 516         s->dispc.invalidate = 1;
 517         break;
 518     case 0x0a4: /* DISPC_GFX_FIFO_TRESHOLD */
 519         s->dispc.l[0].tresh = value & 0x01ff01ff;
 520         break;
 521     case 0x0ac: /* DISPC_GFX_ROW_INC */
 522         s->dispc.l[0].rowinc = value;
 523         s->dispc.invalidate = 1;
 524         break;
 525     case 0x0b0: /* DISPC_GFX_PIXEL_INC */
 526         s->dispc.l[0].colinc = value;
 527         s->dispc.invalidate = 1;
 528         break;
 529     case 0x0b4: /* DISPC_GFX_WINDOW_SKIP */
 530         s->dispc.l[0].wininc = value;
 531         break;
 532     case 0x0b8: /* DISPC_GFX_TABLE_BA */
 533         s->dispc.l[0].addr[2] = (target_phys_addr_t) value;
 534         s->dispc.invalidate = 1;
 535         break;
 536
 537     case 0x0bc: /* DISPC_VID1_BA0 */
 538     case 0x0c0: /* DISPC_VID1_BA1 */
 539     case 0x0c4: /* DISPC_VID1_POSITION */
 540     case 0x0c8: /* DISPC_VID1_SIZE */
 541     case 0x0cc: /* DISPC_VID1_ATTRIBUTES */
 542     case 0x0d0: /* DISPC_VID1_FIFO_TRESHOLD */
 543     case 0x0d8: /* DISPC_VID1_ROW_INC */
 544     case 0x0dc: /* DISPC_VID1_PIXEL_INC */
 545     case 0x0e0: /* DISPC_VID1_FIR */
 546     case 0x0e4: /* DISPC_VID1_PICTURE_SIZE */
 547     case 0x0e8: /* DISPC_VID1_ACCU0 */
 548     case 0x0ec: /* DISPC_VID1_ACCU1 */
 549     case 0x0f0 ... 0x140:       /* DISPC_VID1_FIR_COEF, DISPC_VID1_CONV_COEF */
 550     case 0x14c: /* DISPC_VID2_BA0 */
 551     case 0x150: /* DISPC_VID2_BA1 */
 552     case 0x154: /* DISPC_VID2_POSITION */
 553     case 0x158: /* DISPC_VID2_SIZE */
 554     case 0x15c: /* DISPC_VID2_ATTRIBUTES */
 555     case 0x160: /* DISPC_VID2_FIFO_TRESHOLD */
 556     case 0x168: /* DISPC_VID2_ROW_INC */
 557     case 0x16c: /* DISPC_VID2_PIXEL_INC */
 558     case 0x170: /* DISPC_VID2_FIR */
 559     case 0x174: /* DISPC_VID2_PICTURE_SIZE */
 560     case 0x178: /* DISPC_VID2_ACCU0 */
 561     case 0x17c: /* DISPC_VID2_ACCU1 */
 562     case 0x180 ... 0x1d0:       /* DISPC_VID2_FIR_COEF, DISPC_VID2_CONV_COEF */
 563     case 0x1d4: /* DISPC_DATA_CYCLE1 */
 564     case 0x1d8: /* DISPC_DATA_CYCLE2 */
 565     case 0x1dc: /* DISPC_DATA_CYCLE3 */
 566         break;
 567
 568     default:
 569         OMAP_BAD_REG(addr);
 570     }
 571 }
 572
 573 static CPUReadMemoryFunc *omap_disc1_readfn[] = {
 574     omap_badwidth_read32,
 575     omap_badwidth_read32,
 576     omap_disc_read,
 577 };
 578
 579 static CPUWriteMemoryFunc *omap_disc1_writefn[] = {
 580     omap_badwidth_write32,
 581     omap_badwidth_write32,
 582     omap_disc_write,
 583 };
 584
 585 static void *omap_rfbi_get_buffer(struct omap_dss_s *s)
 586 {
 587     target_phys_addr_t fb;
 588     uint32_t pd;
 589
 590     /* TODO */
 591     fb = s->dispc.l[0].addr[0];
 592
 593     pd = cpu_get_physical_page_desc(fb);
 594     if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM)
 595         /* TODO */
 596         cpu_abort(cpu_single_env, "%s: framebuffer outside RAM!\n",
 597                         __FUNCTION__);
 598     else
 599         return phys_ram_base +
 600                 (pd & TARGET_PAGE_MASK) +
 601                 (fb & ~TARGET_PAGE_MASK);
 602 }
 603
 604 static void omap_rfbi_transfer_stop(struct omap_dss_s *s)
 605 {
 606     if (!s->rfbi.busy)
 607         return;
 608
 609     /* TODO: in non-Bypass mode we probably need to just deassert the DRQ.  */
 610
 611     s->rfbi.busy = 0;
 612 }
 613
 614 static void omap_rfbi_transfer_start(struct omap_dss_s *s)
 615 {
 616     void *data;
 617     size_t len;
 618     int pitch;
 619
 620     if (!s->rfbi.enable || s->rfbi.busy)
 621         return;
 622
 623     if (s->rfbi.control & (1 << 1)) {                           /* BYPASS */
 624         /* TODO: in non-Bypass mode we probably need to just assert the
 625          * DRQ and wait for DMA to write the pixels.  */
 626         fprintf(stderr, "%s: Bypass mode unimplemented\n", __FUNCTION__);
 627         return;
 628     }
 629
 630     if (!(s->dispc.control & (1 << 11)))                        /* RFBIMODE */
 631         return;
 632     /* TODO: check that LCD output is enabled in DISPC.  */
 633
 634     s->rfbi.busy = 1;
 635
 636     data = omap_rfbi_get_buffer(s);
 637
 638     /* TODO bpp */
 639     len = s->rfbi.pixels * 2;
 640     s->rfbi.pixels = 0;
 641
 642     /* TODO: negative values */
 643     pitch = s->dispc.l[0].nx + (s->dispc.l[0].rowinc - 1) / 2;
 644
 645     if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 646         s->rfbi.chip[0]->block(s->rfbi.chip[0]->opaque, 1, data, len, pitch);
 647     if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 648         s->rfbi.chip[1]->block(s->rfbi.chip[1]->opaque, 1, data, len, pitch);
 649
 650     omap_rfbi_transfer_stop(s);
 651
 652     /* TODO */
 653     s->dispc.irqst |= 1;                                        /* FRAMEDONE */
 654     omap_dispc_interrupt_update(s);
 655 }
 656
 657 static uint32_t omap_rfbi_read(void *opaque, target_phys_addr_t addr)
 658 {
 659     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 660
 661     switch (addr) {
 662     case 0x00:  /* RFBI_REVISION */
 663         return 0x10;
 664
 665     case 0x10:  /* RFBI_SYSCONFIG */
 666         return s->rfbi.idlemode;
 667
 668     case 0x14:  /* RFBI_SYSSTATUS */
 669         return 1 | (s->rfbi.busy << 8);                         /* RESETDONE */
 670
 671     case 0x40:  /* RFBI_CONTROL */
 672         return s->rfbi.control;
 673
 674     case 0x44:  /* RFBI_PIXELCNT */
 675         return s->rfbi.pixels;
 676
 677     case 0x48:  /* RFBI_LINE_NUMBER */
 678         return s->rfbi.skiplines;
 679
 680     case 0x58:  /* RFBI_READ */
 681     case 0x5c:  /* RFBI_STATUS */
 682         return s->rfbi.rxbuf;
 683
 684     case 0x60:  /* RFBI_CONFIG0 */
 685         return s->rfbi.config[0];
 686     case 0x64:  /* RFBI_ONOFF_TIME0 */
 687         return s->rfbi.time[0];
 688     case 0x68:  /* RFBI_CYCLE_TIME0 */
 689         return s->rfbi.time[1];
 690     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 691         return s->rfbi.data[0];
 692     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 693         return s->rfbi.data[1];
 694     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 695         return s->rfbi.data[2];
 696
 697     case 0x78:  /* RFBI_CONFIG1 */
 698         return s->rfbi.config[1];
 699     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 700         return s->rfbi.time[2];
 701     case 0x80:  /* RFBI_CYCLE_TIME1 */
 702         return s->rfbi.time[3];
 703     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 704         return s->rfbi.data[3];
 705     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 706         return s->rfbi.data[4];
 707     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 708         return s->rfbi.data[5];
 709
 710     case 0x90:  /* RFBI_VSYNC_WIDTH */
 711         return s->rfbi.vsync;
 712     case 0x94:  /* RFBI_HSYNC_WIDTH */
 713         return s->rfbi.hsync;
 714     }
 715     OMAP_BAD_REG(addr);
 716     return 0;
 717 }
 718
 719 static void omap_rfbi_write(void *opaque, target_phys_addr_t addr,
 720                 uint32_t value)
 721 {
 722     struct omap_dss_s *s = (struct omap_dss_s *) opaque;
 723
 724     switch (addr) {
 725     case 0x10:  /* RFBI_SYSCONFIG */
 726         if (value & 2)                                          /* SOFTRESET */
 727             omap_rfbi_reset(s);
 728         s->rfbi.idlemode = value & 0x19;
 729         break;
 730
 731     case 0x40:  /* RFBI_CONTROL */
 732         s->rfbi.control = value & 0xf;
 733         s->rfbi.enable = value & 1;
 734         if (value & (1 << 4) &&                                 /* ITE */
 735                         !(s->rfbi.config[0] & s->rfbi.config[1] & 0xc))
 736             omap_rfbi_transfer_start(s);
 737         break;
 738
 739     case 0x44:  /* RFBI_PIXELCNT */
 740         s->rfbi.pixels = value;
 741         break;
 742
 743     case 0x48:  /* RFBI_LINE_NUMBER */
 744         s->rfbi.skiplines = value & 0x7ff;
 745         break;
 746
 747     case 0x4c:  /* RFBI_CMD */
 748         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 749             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 0, value & 0xffff);
 750         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 751             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 0, value & 0xffff);
 752         break;
 753     case 0x50:  /* RFBI_PARAM */
 754         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 755             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 756         if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 757             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value & 0xffff);
 758         break;
 759     case 0x54:  /* RFBI_DATA */
 760         /* TODO: take into account the format set up in s->rfbi.config[?] and
 761          * s->rfbi.data[?], but special-case the most usual scenario so that
 762          * speed doesn't suffer.  */
 763         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0]) {
 764             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value & 0xffff);
 765             s->rfbi.chip[0]->write(s->rfbi.chip[0]->opaque, 1, value >> 16);
 766         }
 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             s->rfbi.chip[1]->write(s->rfbi.chip[1]->opaque, 1, value >> 16);
 770         }
 771         if (!-- s->rfbi.pixels)
 772             omap_rfbi_transfer_stop(s);
 773         break;
 774     case 0x58:  /* RFBI_READ */
 775         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 776             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
 777         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 778             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 1);
 779         if (!-- s->rfbi.pixels)
 780             omap_rfbi_transfer_stop(s);
 781         break;
 782
 783     case 0x5c:  /* RFBI_STATUS */
 784         if ((s->rfbi.control & (1 << 2)) && s->rfbi.chip[0])
 785             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
 786         else if ((s->rfbi.control & (1 << 3)) && s->rfbi.chip[1])
 787             s->rfbi.rxbuf = s->rfbi.chip[0]->read(s->rfbi.chip[0]->opaque, 0);
 788         if (!-- s->rfbi.pixels)
 789             omap_rfbi_transfer_stop(s);
 790         break;
 791
 792     case 0x60:  /* RFBI_CONFIG0 */
 793         s->rfbi.config[0] = value & 0x003f1fff;
 794         break;
 795
 796     case 0x64:  /* RFBI_ONOFF_TIME0 */
 797         s->rfbi.time[0] = value & 0x3fffffff;
 798         break;
 799     case 0x68:  /* RFBI_CYCLE_TIME0 */
 800         s->rfbi.time[1] = value & 0x0fffffff;
 801         break;
 802     case 0x6c:  /* RFBI_DATA_CYCLE1_0 */
 803         s->rfbi.data[0] = value & 0x0f1f0f1f;
 804         break;
 805     case 0x70:  /* RFBI_DATA_CYCLE2_0 */
 806         s->rfbi.data[1] = value & 0x0f1f0f1f;
 807         break;
 808     case 0x74:  /* RFBI_DATA_CYCLE3_0 */
 809         s->rfbi.data[2] = value & 0x0f1f0f1f;
 810         break;
 811     case 0x78:  /* RFBI_CONFIG1 */
 812         s->rfbi.config[1] = value & 0x003f1fff;
 813         break;
 814
 815     case 0x7c:  /* RFBI_ONOFF_TIME1 */
 816         s->rfbi.time[2] = value & 0x3fffffff;
 817         break;
 818     case 0x80:  /* RFBI_CYCLE_TIME1 */
 819         s->rfbi.time[3] = value & 0x0fffffff;
 820         break;
 821     case 0x84:  /* RFBI_DATA_CYCLE1_1 */
 822         s->rfbi.data[3] = value & 0x0f1f0f1f;
 823         break;
 824     case 0x88:  /* RFBI_DATA_CYCLE2_1 */
 825         s->rfbi.data[4] = value & 0x0f1f0f1f;
 826         break;
 827     case 0x8c:  /* RFBI_DATA_CYCLE3_1 */
 828         s->rfbi.data[5] = value & 0x0f1f0f1f;
 829         break;
 830
 831     case 0x90:  /* RFBI_VSYNC_WIDTH */
 832         s->rfbi.vsync = value & 0xffff;
 833         break;
 834     case 0x94:  /* RFBI_HSYNC_WIDTH */
 835         s->rfbi.hsync = value & 0xffff;
 836         break;
 837
 838     default:
 839         OMAP_BAD_REG(addr);
 840     }
 841 }
 842
 843 static CPUReadMemoryFunc *omap_rfbi1_readfn[] = {
 844     omap_badwidth_read32,
 845     omap_badwidth_read32,
 846     omap_rfbi_read,
 847 };
 848
 849 static CPUWriteMemoryFunc *omap_rfbi1_writefn[] = {
 850     omap_badwidth_write32,
 851     omap_badwidth_write32,
 852     omap_rfbi_write,
 853 };
 854
 855 static uint32_t omap_venc_read(void *opaque, target_phys_addr_t addr)
 856 {
 857     switch (addr) {
 858     case 0x00:  /* REV_ID */
 859     case 0x04:  /* STATUS */
 860     case 0x08:  /* F_CONTROL */
 861     case 0x10:  /* VIDOUT_CTRL */
 862     case 0x14:  /* SYNC_CTRL */
 863     case 0x1c:  /* LLEN */
 864     case 0x20:  /* FLENS */
 865     case 0x24:  /* HFLTR_CTRL */
 866     case 0x28:  /* CC_CARR_WSS_CARR */
 867     case 0x2c:  /* C_PHASE */
 868     case 0x30:  /* GAIN_U */
 869     case 0x34:  /* GAIN_V */
 870     case 0x38:  /* GAIN_Y */
 871     case 0x3c:  /* BLACK_LEVEL */
 872     case 0x40:  /* BLANK_LEVEL */
 873     case 0x44:  /* X_COLOR */
 874     case 0x48:  /* M_CONTROL */
 875     case 0x4c:  /* BSTAMP_WSS_DATA */
 876     case 0x50:  /* S_CARR */
 877     case 0x54:  /* LINE21 */
 878     case 0x58:  /* LN_SEL */
 879     case 0x5c:  /* L21__WC_CTL */
 880     case 0x60:  /* HTRIGGER_VTRIGGER */
 881     case 0x64:  /* SAVID__EAVID */
 882     case 0x68:  /* FLEN__FAL */
 883     case 0x6c:  /* LAL__PHASE_RESET */
 884     case 0x70:  /* HS_INT_START_STOP_X */
 885     case 0x74:  /* HS_EXT_START_STOP_X */
 886     case 0x78:  /* VS_INT_START_X */
 887     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 888     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 889     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 890     case 0x88:  /* VS_EXT_STOP_Y */
 891     case 0x90:  /* AVID_START_STOP_X */
 892     case 0x94:  /* AVID_START_STOP_Y */
 893     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 894     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 895     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 896     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 897     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 898     case 0xb8:  /* GEN_CTRL */
 899     case 0xc4:  /* DAC_TST__DAC_A */
 900     case 0xc8:  /* DAC_B__DAC_C */
 901         return 0;
 902
 903     default:
 904         break;
 905     }
 906     OMAP_BAD_REG(addr);
 907     return 0;
 908 }
 909
 910 static void omap_venc_write(void *opaque, target_phys_addr_t addr,
 911                 uint32_t value)
 912 {
 913     switch (addr) {
 914     case 0x08:  /* F_CONTROL */
 915     case 0x10:  /* VIDOUT_CTRL */
 916     case 0x14:  /* SYNC_CTRL */
 917     case 0x1c:  /* LLEN */
 918     case 0x20:  /* FLENS */
 919     case 0x24:  /* HFLTR_CTRL */
 920     case 0x28:  /* CC_CARR_WSS_CARR */
 921     case 0x2c:  /* C_PHASE */
 922     case 0x30:  /* GAIN_U */
 923     case 0x34:  /* GAIN_V */
 924     case 0x38:  /* GAIN_Y */
 925     case 0x3c:  /* BLACK_LEVEL */
 926     case 0x40:  /* BLANK_LEVEL */
 927     case 0x44:  /* X_COLOR */
 928     case 0x48:  /* M_CONTROL */
 929     case 0x4c:  /* BSTAMP_WSS_DATA */
 930     case 0x50:  /* S_CARR */
 931     case 0x54:  /* LINE21 */
 932     case 0x58:  /* LN_SEL */
 933     case 0x5c:  /* L21__WC_CTL */
 934     case 0x60:  /* HTRIGGER_VTRIGGER */
 935     case 0x64:  /* SAVID__EAVID */
 936     case 0x68:  /* FLEN__FAL */
 937     case 0x6c:  /* LAL__PHASE_RESET */
 938     case 0x70:  /* HS_INT_START_STOP_X */
 939     case 0x74:  /* HS_EXT_START_STOP_X */
 940     case 0x78:  /* VS_INT_START_X */
 941     case 0x7c:  /* VS_INT_STOP_X__VS_INT_START_Y */
 942     case 0x80:  /* VS_INT_STOP_Y__VS_INT_START_X */
 943     case 0x84:  /* VS_EXT_STOP_X__VS_EXT_START_Y */
 944     case 0x88:  /* VS_EXT_STOP_Y */
 945     case 0x90:  /* AVID_START_STOP_X */
 946     case 0x94:  /* AVID_START_STOP_Y */
 947     case 0xa0:  /* FID_INT_START_X__FID_INT_START_Y */
 948     case 0xa4:  /* FID_INT_OFFSET_Y__FID_EXT_START_X */
 949     case 0xa8:  /* FID_EXT_START_Y__FID_EXT_OFFSET_Y */
 950     case 0xb0:  /* TVDETGP_INT_START_STOP_X */
 951     case 0xb4:  /* TVDETGP_INT_START_STOP_Y */
 952     case 0xb8:  /* GEN_CTRL */
 953     case 0xc4:  /* DAC_TST__DAC_A */
 954     case 0xc8:  /* DAC_B__DAC_C */
 955         break;
 956
 957     default:
 958         OMAP_BAD_REG(addr);
 959     }
 960 }
 961
 962 static CPUReadMemoryFunc *omap_venc1_readfn[] = {
 963     omap_badwidth_read32,
 964     omap_badwidth_read32,
 965     omap_venc_read,
 966 };
 967
 968 static CPUWriteMemoryFunc *omap_venc1_writefn[] = {
 969     omap_badwidth_write32,
 970     omap_badwidth_write32,
 971     omap_venc_write,
 972 };
 973
 974 static uint32_t omap_im3_read(void *opaque, target_phys_addr_t addr)
 975 {
 976     switch (addr) {
 977     case 0x0a8: /* SBIMERRLOGA */
 978     case 0x0b0: /* SBIMERRLOG */
 979     case 0x190: /* SBIMSTATE */
 980     case 0x198: /* SBTMSTATE_L */
 981     case 0x19c: /* SBTMSTATE_H */
 982     case 0x1a8: /* SBIMCONFIG_L */
 983     case 0x1ac: /* SBIMCONFIG_H */
 984     case 0x1f8: /* SBID_L */
 985     case 0x1fc: /* SBID_H */
 986         return 0;
 987
 988     default:
 989         break;
 990     }
 991     OMAP_BAD_REG(addr);
 992     return 0;
 993 }
 994
 995 static void omap_im3_write(void *opaque, target_phys_addr_t addr,
 996                 uint32_t value)
 997 {
 998     switch (addr) {
 999     case 0x0b0: /* SBIMERRLOG */
1000     case 0x190: /* SBIMSTATE */
1001     case 0x198: /* SBTMSTATE_L */
1002     case 0x19c: /* SBTMSTATE_H */
1003     case 0x1a8: /* SBIMCONFIG_L */
1004     case 0x1ac: /* SBIMCONFIG_H */
1005         break;
1006
1007     default:
1008         OMAP_BAD_REG(addr);
1009     }
1010 }
1011
1012 static CPUReadMemoryFunc *omap_im3_readfn[] = {
1013     omap_badwidth_read32,
1014     omap_badwidth_read32,
1015     omap_im3_read,
1016 };
1017
1018 static CPUWriteMemoryFunc *omap_im3_writefn[] = {
1019     omap_badwidth_write32,
1020     omap_badwidth_write32,
1021     omap_im3_write,
1022 };
1023
1024 struct omap_dss_s *omap_dss_init(struct omap_target_agent_s *ta,
1025                 target_phys_addr_t l3_base,
1026                 qemu_irq irq, qemu_irq drq,
1027                 omap_clk fck1, omap_clk fck2, omap_clk ck54m,
1028                 omap_clk ick1, omap_clk ick2)
1029 {
1030     int iomemtype[5];
1031     struct omap_dss_s *s = (struct omap_dss_s *)
1032             qemu_mallocz(sizeof(struct omap_dss_s));
1033
1034     s->irq = irq;
1035     s->drq = drq;
1036     omap_dss_reset(s);
1037
1038     iomemtype[0] = l4_register_io_memory(0, omap_diss1_readfn,
1039                     omap_diss1_writefn, s);
1040     iomemtype[1] = l4_register_io_memory(0, omap_disc1_readfn,
1041                     omap_disc1_writefn, s);
1042     iomemtype[2] = l4_register_io_memory(0, omap_rfbi1_readfn,
1043                     omap_rfbi1_writefn, s);
1044     iomemtype[3] = l4_register_io_memory(0, omap_venc1_readfn,
1045                     omap_venc1_writefn, s);
1046     iomemtype[4] = cpu_register_io_memory(0, omap_im3_readfn,
1047                     omap_im3_writefn, s);
1048     omap_l4_attach(ta, 0, iomemtype[0]);
1049     omap_l4_attach(ta, 1, iomemtype[1]);
1050     omap_l4_attach(ta, 2, iomemtype[2]);
1051     omap_l4_attach(ta, 3, iomemtype[3]);
1052     cpu_register_physical_memory(l3_base, 0x1000, iomemtype[4]);
1053
1054 #if 0
1055     s->state = graphic_console_init(omap_update_display,
1056                                     omap_invalidate_display, omap_screen_dump, s);
1057 #endif
1058
1059     return s;
1060 }
1061
1062 void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip)
1063 {
1064     if (cs < 0 || cs > 1)
1065         cpu_abort(cpu_single_env, "%s: wrong CS %i\n", __FUNCTION__, cs);
1066     s->rfbi.chip[cs] = chip;
1067 }