1 /* 2 * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller. 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 21 #include "qemu-common.h" 22 #include "ui/console.h" 23 #include "hw/devices.h" 24 #include "vga_int.h" 25 #include "ui/pixel_ops.h" 26 27 typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int); 28 29 typedef struct { 30 uint8_t reg; 31 uint32_t addr; 32 int swallow; 33 34 int pll; 35 int pll_range; 36 int pll_ctrl; 37 uint8_t pll_mode; 38 uint8_t clksel; 39 int memenable; 40 int memrefresh; 41 uint8_t timing[3]; 42 int priority; 43 44 uint8_t lcd_config; 45 int x; 46 int y; 47 int skipx; 48 int skipy; 49 uint8_t hndp; 50 uint8_t vndp; 51 uint8_t hsync; 52 uint8_t vsync; 53 uint8_t pclk; 54 uint8_t u; 55 uint8_t v; 56 uint8_t yrc[2]; 57 int ix[2]; 58 int iy[2]; 59 int ox[2]; 60 int oy[2]; 61 62 int enable; 63 int blank; 64 int bpp; 65 int invalidate; 66 int mx[2]; 67 int my[2]; 68 uint8_t mode; 69 uint8_t effect; 70 uint8_t iformat; 71 uint8_t source; 72 QemuConsole *con; 73 blizzard_fn_t *line_fn_tab[2]; 74 void *fb; 75 76 uint8_t hssi_config[3]; 77 uint8_t tv_config; 78 uint8_t tv_timing[4]; 79 uint8_t vbi; 80 uint8_t tv_x; 81 uint8_t tv_y; 82 uint8_t tv_test; 83 uint8_t tv_filter_config; 84 uint8_t tv_filter_idx; 85 uint8_t tv_filter_coeff[0x20]; 86 uint8_t border_r; 87 uint8_t border_g; 88 uint8_t border_b; 89 uint8_t gamma_config; 90 uint8_t gamma_idx; 91 uint8_t gamma_lut[0x100]; 92 uint8_t matrix_ena; 93 uint8_t matrix_coeff[0x12]; 94 uint8_t matrix_r; 95 uint8_t matrix_g; 96 uint8_t matrix_b; 97 uint8_t pm; 98 uint8_t status; 99 uint8_t rgbgpio_dir; 100 uint8_t rgbgpio; 101 uint8_t gpio_dir; 102 uint8_t gpio; 103 uint8_t gpio_edge[2]; 104 uint8_t gpio_irq; 105 uint8_t gpio_pdown; 106 107 struct { 108 int x; 109 int y; 110 int dx; 111 int dy; 112 int len; 113 int buflen; 114 void *buf; 115 void *data; 116 uint16_t *ptr; 117 int angle; 118 int pitch; 119 blizzard_fn_t line_fn; 120 } data; 121 } BlizzardState; 122 123 /* Bytes(!) per pixel */ 124 static const int blizzard_iformat_bpp[0x10] = { 125 0, 126 2, /* RGB 5:6:5*/ 127 3, /* RGB 6:6:6 mode 1 */ 128 3, /* RGB 8:8:8 mode 1 */ 129 0, 0, 130 4, /* RGB 6:6:6 mode 2 */ 131 4, /* RGB 8:8:8 mode 2 */ 132 0, /* YUV 4:2:2 */ 133 0, /* YUV 4:2:0 */ 134 0, 0, 0, 0, 0, 0, 135 }; 136 137 static inline void blizzard_rgb2yuv(int r, int g, int b, 138 int *y, int *u, int *v) 139 { 140 *y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13); 141 *u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13); 142 *v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13); 143 } 144 145 static void blizzard_window(BlizzardState *s) 146 { 147 DisplaySurface *surface = qemu_console_surface(s->con); 148 uint8_t *src, *dst; 149 int bypp[2]; 150 int bypl[3]; 151 int y; 152 blizzard_fn_t fn = s->data.line_fn; 153 154 if (!fn) 155 return; 156 if (s->mx[0] > s->data.x) 157 s->mx[0] = s->data.x; 158 if (s->my[0] > s->data.y) 159 s->my[0] = s->data.y; 160 if (s->mx[1] < s->data.x + s->data.dx) 161 s->mx[1] = s->data.x + s->data.dx; 162 if (s->my[1] < s->data.y + s->data.dy) 163 s->my[1] = s->data.y + s->data.dy; 164 165 bypp[0] = s->bpp; 166 bypp[1] = surface_bytes_per_pixel(surface); 167 bypl[0] = bypp[0] * s->data.pitch; 168 bypl[1] = bypp[1] * s->x; 169 bypl[2] = bypp[0] * s->data.dx; 170 171 src = s->data.data; 172 dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x; 173 for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1]) 174 fn(dst, src, bypl[2]); 175 } 176 177 static int blizzard_transfer_setup(BlizzardState *s) 178 { 179 if (s->source > 3 || !s->bpp || 180 s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0]) 181 return 0; 182 183 s->data.angle = s->effect & 3; 184 s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat]; 185 s->data.x = s->ix[0]; 186 s->data.y = s->iy[0]; 187 s->data.dx = s->ix[1] - s->ix[0] + 1; 188 s->data.dy = s->iy[1] - s->iy[0] + 1; 189 s->data.len = s->bpp * s->data.dx * s->data.dy; 190 s->data.pitch = s->data.dx; 191 if (s->data.len > s->data.buflen) { 192 s->data.buf = g_realloc(s->data.buf, s->data.len); 193 s->data.buflen = s->data.len; 194 } 195 s->data.ptr = s->data.buf; 196 s->data.data = s->data.buf; 197 s->data.len /= 2; 198 return 1; 199 } 200 201 static void blizzard_reset(BlizzardState *s) 202 { 203 s->reg = 0; 204 s->swallow = 0; 205 206 s->pll = 9; 207 s->pll_range = 1; 208 s->pll_ctrl = 0x14; 209 s->pll_mode = 0x32; 210 s->clksel = 0x00; 211 s->memenable = 0; 212 s->memrefresh = 0x25c; 213 s->timing[0] = 0x3f; 214 s->timing[1] = 0x13; 215 s->timing[2] = 0x21; 216 s->priority = 0; 217 218 s->lcd_config = 0x74; 219 s->x = 8; 220 s->y = 1; 221 s->skipx = 0; 222 s->skipy = 0; 223 s->hndp = 3; 224 s->vndp = 2; 225 s->hsync = 1; 226 s->vsync = 1; 227 s->pclk = 0x80; 228 229 s->ix[0] = 0; 230 s->ix[1] = 0; 231 s->iy[0] = 0; 232 s->iy[1] = 0; 233 s->ox[0] = 0; 234 s->ox[1] = 0; 235 s->oy[0] = 0; 236 s->oy[1] = 0; 237 238 s->yrc[0] = 0x00; 239 s->yrc[1] = 0x30; 240 s->u = 0; 241 s->v = 0; 242 243 s->iformat = 3; 244 s->source = 0; 245 s->bpp = blizzard_iformat_bpp[s->iformat]; 246 247 s->hssi_config[0] = 0x00; 248 s->hssi_config[1] = 0x00; 249 s->hssi_config[2] = 0x01; 250 s->tv_config = 0x00; 251 s->tv_timing[0] = 0x00; 252 s->tv_timing[1] = 0x00; 253 s->tv_timing[2] = 0x00; 254 s->tv_timing[3] = 0x00; 255 s->vbi = 0x10; 256 s->tv_x = 0x14; 257 s->tv_y = 0x03; 258 s->tv_test = 0x00; 259 s->tv_filter_config = 0x80; 260 s->tv_filter_idx = 0x00; 261 s->border_r = 0x10; 262 s->border_g = 0x80; 263 s->border_b = 0x80; 264 s->gamma_config = 0x00; 265 s->gamma_idx = 0x00; 266 s->matrix_ena = 0x00; 267 memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff)); 268 s->matrix_r = 0x00; 269 s->matrix_g = 0x00; 270 s->matrix_b = 0x00; 271 s->pm = 0x02; 272 s->status = 0x00; 273 s->rgbgpio_dir = 0x00; 274 s->gpio_dir = 0x00; 275 s->gpio_edge[0] = 0x00; 276 s->gpio_edge[1] = 0x00; 277 s->gpio_irq = 0x00; 278 s->gpio_pdown = 0xff; 279 } 280 281 static inline void blizzard_invalidate_display(void *opaque) { 282 BlizzardState *s = (BlizzardState *) opaque; 283 284 s->invalidate = 1; 285 } 286 287 static uint16_t blizzard_reg_read(void *opaque, uint8_t reg) 288 { 289 BlizzardState *s = (BlizzardState *) opaque; 290 291 switch (reg) { 292 case 0x00: /* Revision Code */ 293 return 0xa5; 294 295 case 0x02: /* Configuration Readback */ 296 return 0x83; /* Macrovision OK, CNF[2:0] = 3 */ 297 298 case 0x04: /* PLL M-Divider */ 299 return (s->pll - 1) | (1 << 7); 300 case 0x06: /* PLL Lock Range Control */ 301 return s->pll_range; 302 case 0x08: /* PLL Lock Synthesis Control 0 */ 303 return s->pll_ctrl & 0xff; 304 case 0x0a: /* PLL Lock Synthesis Control 1 */ 305 return s->pll_ctrl >> 8; 306 case 0x0c: /* PLL Mode Control 0 */ 307 return s->pll_mode; 308 309 case 0x0e: /* Clock-Source Select */ 310 return s->clksel; 311 312 case 0x10: /* Memory Controller Activate */ 313 case 0x14: /* Memory Controller Bank 0 Status Flag */ 314 return s->memenable; 315 316 case 0x18: /* Auto-Refresh Interval Setting 0 */ 317 return s->memrefresh & 0xff; 318 case 0x1a: /* Auto-Refresh Interval Setting 1 */ 319 return s->memrefresh >> 8; 320 321 case 0x1c: /* Power-On Sequence Timing Control */ 322 return s->timing[0]; 323 case 0x1e: /* Timing Control 0 */ 324 return s->timing[1]; 325 case 0x20: /* Timing Control 1 */ 326 return s->timing[2]; 327 328 case 0x24: /* Arbitration Priority Control */ 329 return s->priority; 330 331 case 0x28: /* LCD Panel Configuration */ 332 return s->lcd_config; 333 334 case 0x2a: /* LCD Horizontal Display Width */ 335 return s->x >> 3; 336 case 0x2c: /* LCD Horizontal Non-display Period */ 337 return s->hndp; 338 case 0x2e: /* LCD Vertical Display Height 0 */ 339 return s->y & 0xff; 340 case 0x30: /* LCD Vertical Display Height 1 */ 341 return s->y >> 8; 342 case 0x32: /* LCD Vertical Non-display Period */ 343 return s->vndp; 344 case 0x34: /* LCD HS Pulse-width */ 345 return s->hsync; 346 case 0x36: /* LCd HS Pulse Start Position */ 347 return s->skipx >> 3; 348 case 0x38: /* LCD VS Pulse-width */ 349 return s->vsync; 350 case 0x3a: /* LCD VS Pulse Start Position */ 351 return s->skipy; 352 353 case 0x3c: /* PCLK Polarity */ 354 return s->pclk; 355 356 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ 357 return s->hssi_config[0]; 358 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ 359 return s->hssi_config[1]; 360 case 0x42: /* High-speed Serial Interface Tx Mode */ 361 return s->hssi_config[2]; 362 case 0x44: /* TV Display Configuration */ 363 return s->tv_config; 364 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */ 365 return s->tv_timing[(reg - 0x46) >> 1]; 366 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ 367 return s->vbi; 368 case 0x50: /* TV Horizontal Start Position */ 369 return s->tv_x; 370 case 0x52: /* TV Vertical Start Position */ 371 return s->tv_y; 372 case 0x54: /* TV Test Pattern Setting */ 373 return s->tv_test; 374 case 0x56: /* TV Filter Setting */ 375 return s->tv_filter_config; 376 case 0x58: /* TV Filter Coefficient Index */ 377 return s->tv_filter_idx; 378 case 0x5a: /* TV Filter Coefficient Data */ 379 if (s->tv_filter_idx < 0x20) 380 return s->tv_filter_coeff[s->tv_filter_idx ++]; 381 return 0; 382 383 case 0x60: /* Input YUV/RGB Translate Mode 0 */ 384 return s->yrc[0]; 385 case 0x62: /* Input YUV/RGB Translate Mode 1 */ 386 return s->yrc[1]; 387 case 0x64: /* U Data Fix */ 388 return s->u; 389 case 0x66: /* V Data Fix */ 390 return s->v; 391 392 case 0x68: /* Display Mode */ 393 return s->mode; 394 395 case 0x6a: /* Special Effects */ 396 return s->effect; 397 398 case 0x6c: /* Input Window X Start Position 0 */ 399 return s->ix[0] & 0xff; 400 case 0x6e: /* Input Window X Start Position 1 */ 401 return s->ix[0] >> 3; 402 case 0x70: /* Input Window Y Start Position 0 */ 403 return s->ix[0] & 0xff; 404 case 0x72: /* Input Window Y Start Position 1 */ 405 return s->ix[0] >> 3; 406 case 0x74: /* Input Window X End Position 0 */ 407 return s->ix[1] & 0xff; 408 case 0x76: /* Input Window X End Position 1 */ 409 return s->ix[1] >> 3; 410 case 0x78: /* Input Window Y End Position 0 */ 411 return s->ix[1] & 0xff; 412 case 0x7a: /* Input Window Y End Position 1 */ 413 return s->ix[1] >> 3; 414 case 0x7c: /* Output Window X Start Position 0 */ 415 return s->ox[0] & 0xff; 416 case 0x7e: /* Output Window X Start Position 1 */ 417 return s->ox[0] >> 3; 418 case 0x80: /* Output Window Y Start Position 0 */ 419 return s->oy[0] & 0xff; 420 case 0x82: /* Output Window Y Start Position 1 */ 421 return s->oy[0] >> 3; 422 case 0x84: /* Output Window X End Position 0 */ 423 return s->ox[1] & 0xff; 424 case 0x86: /* Output Window X End Position 1 */ 425 return s->ox[1] >> 3; 426 case 0x88: /* Output Window Y End Position 0 */ 427 return s->oy[1] & 0xff; 428 case 0x8a: /* Output Window Y End Position 1 */ 429 return s->oy[1] >> 3; 430 431 case 0x8c: /* Input Data Format */ 432 return s->iformat; 433 case 0x8e: /* Data Source Select */ 434 return s->source; 435 case 0x90: /* Display Memory Data Port */ 436 return 0; 437 438 case 0xa8: /* Border Color 0 */ 439 return s->border_r; 440 case 0xaa: /* Border Color 1 */ 441 return s->border_g; 442 case 0xac: /* Border Color 2 */ 443 return s->border_b; 444 445 case 0xb4: /* Gamma Correction Enable */ 446 return s->gamma_config; 447 case 0xb6: /* Gamma Correction Table Index */ 448 return s->gamma_idx; 449 case 0xb8: /* Gamma Correction Table Data */ 450 return s->gamma_lut[s->gamma_idx ++]; 451 452 case 0xba: /* 3x3 Matrix Enable */ 453 return s->matrix_ena; 454 case 0xbc ... 0xde: /* Coefficient Registers */ 455 return s->matrix_coeff[(reg - 0xbc) >> 1]; 456 case 0xe0: /* 3x3 Matrix Red Offset */ 457 return s->matrix_r; 458 case 0xe2: /* 3x3 Matrix Green Offset */ 459 return s->matrix_g; 460 case 0xe4: /* 3x3 Matrix Blue Offset */ 461 return s->matrix_b; 462 463 case 0xe6: /* Power-save */ 464 return s->pm; 465 case 0xe8: /* Non-display Period Control / Status */ 466 return s->status | (1 << 5); 467 case 0xea: /* RGB Interface Control */ 468 return s->rgbgpio_dir; 469 case 0xec: /* RGB Interface Status */ 470 return s->rgbgpio; 471 case 0xee: /* General-purpose IO Pins Configuration */ 472 return s->gpio_dir; 473 case 0xf0: /* General-purpose IO Pins Status / Control */ 474 return s->gpio; 475 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ 476 return s->gpio_edge[0]; 477 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ 478 return s->gpio_edge[1]; 479 case 0xf6: /* GPIO Interrupt Status */ 480 return s->gpio_irq; 481 case 0xf8: /* GPIO Pull-down Control */ 482 return s->gpio_pdown; 483 484 default: 485 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg); 486 return 0; 487 } 488 } 489 490 static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value) 491 { 492 BlizzardState *s = (BlizzardState *) opaque; 493 494 switch (reg) { 495 case 0x04: /* PLL M-Divider */ 496 s->pll = (value & 0x3f) + 1; 497 break; 498 case 0x06: /* PLL Lock Range Control */ 499 s->pll_range = value & 3; 500 break; 501 case 0x08: /* PLL Lock Synthesis Control 0 */ 502 s->pll_ctrl &= 0xf00; 503 s->pll_ctrl |= (value << 0) & 0x0ff; 504 break; 505 case 0x0a: /* PLL Lock Synthesis Control 1 */ 506 s->pll_ctrl &= 0x0ff; 507 s->pll_ctrl |= (value << 8) & 0xf00; 508 break; 509 case 0x0c: /* PLL Mode Control 0 */ 510 s->pll_mode = value & 0x77; 511 if ((value & 3) == 0 || (value & 3) == 3) 512 fprintf(stderr, "%s: wrong PLL Control bits (%i)\n", 513 __FUNCTION__, value & 3); 514 break; 515 516 case 0x0e: /* Clock-Source Select */ 517 s->clksel = value & 0xff; 518 break; 519 520 case 0x10: /* Memory Controller Activate */ 521 s->memenable = value & 1; 522 break; 523 case 0x14: /* Memory Controller Bank 0 Status Flag */ 524 break; 525 526 case 0x18: /* Auto-Refresh Interval Setting 0 */ 527 s->memrefresh &= 0xf00; 528 s->memrefresh |= (value << 0) & 0x0ff; 529 break; 530 case 0x1a: /* Auto-Refresh Interval Setting 1 */ 531 s->memrefresh &= 0x0ff; 532 s->memrefresh |= (value << 8) & 0xf00; 533 break; 534 535 case 0x1c: /* Power-On Sequence Timing Control */ 536 s->timing[0] = value & 0x7f; 537 break; 538 case 0x1e: /* Timing Control 0 */ 539 s->timing[1] = value & 0x17; 540 break; 541 case 0x20: /* Timing Control 1 */ 542 s->timing[2] = value & 0x35; 543 break; 544 545 case 0x24: /* Arbitration Priority Control */ 546 s->priority = value & 1; 547 break; 548 549 case 0x28: /* LCD Panel Configuration */ 550 s->lcd_config = value & 0xff; 551 if (value & (1 << 7)) 552 fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__); 553 break; 554 555 case 0x2a: /* LCD Horizontal Display Width */ 556 s->x = value << 3; 557 break; 558 case 0x2c: /* LCD Horizontal Non-display Period */ 559 s->hndp = value & 0xff; 560 break; 561 case 0x2e: /* LCD Vertical Display Height 0 */ 562 s->y &= 0x300; 563 s->y |= (value << 0) & 0x0ff; 564 break; 565 case 0x30: /* LCD Vertical Display Height 1 */ 566 s->y &= 0x0ff; 567 s->y |= (value << 8) & 0x300; 568 break; 569 case 0x32: /* LCD Vertical Non-display Period */ 570 s->vndp = value & 0xff; 571 break; 572 case 0x34: /* LCD HS Pulse-width */ 573 s->hsync = value & 0xff; 574 break; 575 case 0x36: /* LCD HS Pulse Start Position */ 576 s->skipx = value & 0xff; 577 break; 578 case 0x38: /* LCD VS Pulse-width */ 579 s->vsync = value & 0xbf; 580 break; 581 case 0x3a: /* LCD VS Pulse Start Position */ 582 s->skipy = value & 0xff; 583 break; 584 585 case 0x3c: /* PCLK Polarity */ 586 s->pclk = value & 0x82; 587 /* Affects calculation of s->hndp, s->hsync and s->skipx. */ 588 break; 589 590 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ 591 s->hssi_config[0] = value; 592 break; 593 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ 594 s->hssi_config[1] = value; 595 if (((value >> 4) & 3) == 3) 596 fprintf(stderr, "%s: Illegal active-data-links value\n", 597 __FUNCTION__); 598 break; 599 case 0x42: /* High-speed Serial Interface Tx Mode */ 600 s->hssi_config[2] = value & 0xbd; 601 break; 602 603 case 0x44: /* TV Display Configuration */ 604 s->tv_config = value & 0xfe; 605 break; 606 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */ 607 s->tv_timing[(reg - 0x46) >> 1] = value; 608 break; 609 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ 610 s->vbi = value; 611 break; 612 case 0x50: /* TV Horizontal Start Position */ 613 s->tv_x = value; 614 break; 615 case 0x52: /* TV Vertical Start Position */ 616 s->tv_y = value & 0x7f; 617 break; 618 case 0x54: /* TV Test Pattern Setting */ 619 s->tv_test = value; 620 break; 621 case 0x56: /* TV Filter Setting */ 622 s->tv_filter_config = value & 0xbf; 623 break; 624 case 0x58: /* TV Filter Coefficient Index */ 625 s->tv_filter_idx = value & 0x1f; 626 break; 627 case 0x5a: /* TV Filter Coefficient Data */ 628 if (s->tv_filter_idx < 0x20) 629 s->tv_filter_coeff[s->tv_filter_idx ++] = value; 630 break; 631 632 case 0x60: /* Input YUV/RGB Translate Mode 0 */ 633 s->yrc[0] = value & 0xb0; 634 break; 635 case 0x62: /* Input YUV/RGB Translate Mode 1 */ 636 s->yrc[1] = value & 0x30; 637 break; 638 case 0x64: /* U Data Fix */ 639 s->u = value & 0xff; 640 break; 641 case 0x66: /* V Data Fix */ 642 s->v = value & 0xff; 643 break; 644 645 case 0x68: /* Display Mode */ 646 if ((s->mode ^ value) & 3) 647 s->invalidate = 1; 648 s->mode = value & 0xb7; 649 s->enable = value & 1; 650 s->blank = (value >> 1) & 1; 651 if (value & (1 << 4)) 652 fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__); 653 break; 654 655 case 0x6a: /* Special Effects */ 656 s->effect = value & 0xfb; 657 break; 658 659 case 0x6c: /* Input Window X Start Position 0 */ 660 s->ix[0] &= 0x300; 661 s->ix[0] |= (value << 0) & 0x0ff; 662 break; 663 case 0x6e: /* Input Window X Start Position 1 */ 664 s->ix[0] &= 0x0ff; 665 s->ix[0] |= (value << 8) & 0x300; 666 break; 667 case 0x70: /* Input Window Y Start Position 0 */ 668 s->iy[0] &= 0x300; 669 s->iy[0] |= (value << 0) & 0x0ff; 670 break; 671 case 0x72: /* Input Window Y Start Position 1 */ 672 s->iy[0] &= 0x0ff; 673 s->iy[0] |= (value << 8) & 0x300; 674 break; 675 case 0x74: /* Input Window X End Position 0 */ 676 s->ix[1] &= 0x300; 677 s->ix[1] |= (value << 0) & 0x0ff; 678 break; 679 case 0x76: /* Input Window X End Position 1 */ 680 s->ix[1] &= 0x0ff; 681 s->ix[1] |= (value << 8) & 0x300; 682 break; 683 case 0x78: /* Input Window Y End Position 0 */ 684 s->iy[1] &= 0x300; 685 s->iy[1] |= (value << 0) & 0x0ff; 686 break; 687 case 0x7a: /* Input Window Y End Position 1 */ 688 s->iy[1] &= 0x0ff; 689 s->iy[1] |= (value << 8) & 0x300; 690 break; 691 case 0x7c: /* Output Window X Start Position 0 */ 692 s->ox[0] &= 0x300; 693 s->ox[0] |= (value << 0) & 0x0ff; 694 break; 695 case 0x7e: /* Output Window X Start Position 1 */ 696 s->ox[0] &= 0x0ff; 697 s->ox[0] |= (value << 8) & 0x300; 698 break; 699 case 0x80: /* Output Window Y Start Position 0 */ 700 s->oy[0] &= 0x300; 701 s->oy[0] |= (value << 0) & 0x0ff; 702 break; 703 case 0x82: /* Output Window Y Start Position 1 */ 704 s->oy[0] &= 0x0ff; 705 s->oy[0] |= (value << 8) & 0x300; 706 break; 707 case 0x84: /* Output Window X End Position 0 */ 708 s->ox[1] &= 0x300; 709 s->ox[1] |= (value << 0) & 0x0ff; 710 break; 711 case 0x86: /* Output Window X End Position 1 */ 712 s->ox[1] &= 0x0ff; 713 s->ox[1] |= (value << 8) & 0x300; 714 break; 715 case 0x88: /* Output Window Y End Position 0 */ 716 s->oy[1] &= 0x300; 717 s->oy[1] |= (value << 0) & 0x0ff; 718 break; 719 case 0x8a: /* Output Window Y End Position 1 */ 720 s->oy[1] &= 0x0ff; 721 s->oy[1] |= (value << 8) & 0x300; 722 break; 723 724 case 0x8c: /* Input Data Format */ 725 s->iformat = value & 0xf; 726 s->bpp = blizzard_iformat_bpp[s->iformat]; 727 if (!s->bpp) 728 fprintf(stderr, "%s: Illegal or unsupported input format %x\n", 729 __FUNCTION__, s->iformat); 730 break; 731 case 0x8e: /* Data Source Select */ 732 s->source = value & 7; 733 /* Currently all windows will be "destructive overlays". */ 734 if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] || 735 s->iy[0] != s->oy[0] || 736 s->ix[1] != s->ox[1] || 737 s->iy[1] != s->oy[1])) || 738 !((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) & 739 (s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1)) 740 fprintf(stderr, "%s: Illegal input/output window positions\n", 741 __FUNCTION__); 742 743 blizzard_transfer_setup(s); 744 break; 745 746 case 0x90: /* Display Memory Data Port */ 747 if (!s->data.len && !blizzard_transfer_setup(s)) 748 break; 749 750 *s->data.ptr ++ = value; 751 if (-- s->data.len == 0) 752 blizzard_window(s); 753 break; 754 755 case 0xa8: /* Border Color 0 */ 756 s->border_r = value; 757 break; 758 case 0xaa: /* Border Color 1 */ 759 s->border_g = value; 760 break; 761 case 0xac: /* Border Color 2 */ 762 s->border_b = value; 763 break; 764 765 case 0xb4: /* Gamma Correction Enable */ 766 s->gamma_config = value & 0x87; 767 break; 768 case 0xb6: /* Gamma Correction Table Index */ 769 s->gamma_idx = value; 770 break; 771 case 0xb8: /* Gamma Correction Table Data */ 772 s->gamma_lut[s->gamma_idx ++] = value; 773 break; 774 775 case 0xba: /* 3x3 Matrix Enable */ 776 s->matrix_ena = value & 1; 777 break; 778 case 0xbc ... 0xde: /* Coefficient Registers */ 779 s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff); 780 break; 781 case 0xe0: /* 3x3 Matrix Red Offset */ 782 s->matrix_r = value; 783 break; 784 case 0xe2: /* 3x3 Matrix Green Offset */ 785 s->matrix_g = value; 786 break; 787 case 0xe4: /* 3x3 Matrix Blue Offset */ 788 s->matrix_b = value; 789 break; 790 791 case 0xe6: /* Power-save */ 792 s->pm = value & 0x83; 793 if (value & s->mode & 1) 794 fprintf(stderr, "%s: The display must be disabled before entering " 795 "Standby Mode\n", __FUNCTION__); 796 break; 797 case 0xe8: /* Non-display Period Control / Status */ 798 s->status = value & 0x1b; 799 break; 800 case 0xea: /* RGB Interface Control */ 801 s->rgbgpio_dir = value & 0x8f; 802 break; 803 case 0xec: /* RGB Interface Status */ 804 s->rgbgpio = value & 0xcf; 805 break; 806 case 0xee: /* General-purpose IO Pins Configuration */ 807 s->gpio_dir = value; 808 break; 809 case 0xf0: /* General-purpose IO Pins Status / Control */ 810 s->gpio = value; 811 break; 812 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ 813 s->gpio_edge[0] = value; 814 break; 815 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ 816 s->gpio_edge[1] = value; 817 break; 818 case 0xf6: /* GPIO Interrupt Status */ 819 s->gpio_irq &= value; 820 break; 821 case 0xf8: /* GPIO Pull-down Control */ 822 s->gpio_pdown = value; 823 break; 824 825 default: 826 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg); 827 break; 828 } 829 } 830 831 uint16_t s1d13745_read(void *opaque, int dc) 832 { 833 BlizzardState *s = (BlizzardState *) opaque; 834 uint16_t value = blizzard_reg_read(s, s->reg); 835 836 if (s->swallow -- > 0) 837 return 0; 838 if (dc) 839 s->reg ++; 840 841 return value; 842 } 843 844 void s1d13745_write(void *opaque, int dc, uint16_t value) 845 { 846 BlizzardState *s = (BlizzardState *) opaque; 847 848 if (s->swallow -- > 0) 849 return; 850 if (dc) { 851 blizzard_reg_write(s, s->reg, value); 852 853 if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8) 854 s->reg += 2; 855 } else 856 s->reg = value & 0xff; 857 } 858 859 void s1d13745_write_block(void *opaque, int dc, 860 void *buf, size_t len, int pitch) 861 { 862 BlizzardState *s = (BlizzardState *) opaque; 863 864 while (len > 0) { 865 if (s->reg == 0x90 && dc && 866 (s->data.len || blizzard_transfer_setup(s)) && 867 len >= (s->data.len << 1)) { 868 len -= s->data.len << 1; 869 s->data.len = 0; 870 s->data.data = buf; 871 if (pitch) 872 s->data.pitch = pitch; 873 blizzard_window(s); 874 s->data.data = s->data.buf; 875 continue; 876 } 877 878 s1d13745_write(opaque, dc, *(uint16_t *) buf); 879 len -= 2; 880 buf += 2; 881 } 882 } 883 884 static void blizzard_update_display(void *opaque) 885 { 886 BlizzardState *s = (BlizzardState *) opaque; 887 DisplaySurface *surface = qemu_console_surface(s->con); 888 int y, bypp, bypl, bwidth; 889 uint8_t *src, *dst; 890 891 if (!s->enable) 892 return; 893 894 if (s->x != surface_width(surface) || s->y != surface_height(surface)) { 895 s->invalidate = 1; 896 qemu_console_resize(s->con, s->x, s->y); 897 surface = qemu_console_surface(s->con); 898 } 899 900 if (s->invalidate) { 901 s->invalidate = 0; 902 903 if (s->blank) { 904 bypp = surface_bytes_per_pixel(surface); 905 memset(surface_data(surface), 0, bypp * s->x * s->y); 906 return; 907 } 908 909 s->mx[0] = 0; 910 s->mx[1] = s->x; 911 s->my[0] = 0; 912 s->my[1] = s->y; 913 } 914 915 if (s->mx[1] <= s->mx[0]) 916 return; 917 918 bypp = surface_bytes_per_pixel(surface); 919 bypl = bypp * s->x; 920 bwidth = bypp * (s->mx[1] - s->mx[0]); 921 y = s->my[0]; 922 src = s->fb + bypl * y + bypp * s->mx[0]; 923 dst = surface_data(surface) + bypl * y + bypp * s->mx[0]; 924 for (; y < s->my[1]; y ++, src += bypl, dst += bypl) 925 memcpy(dst, src, bwidth); 926 927 dpy_gfx_update(s->con, s->mx[0], s->my[0], 928 s->mx[1] - s->mx[0], y - s->my[0]); 929 930 s->mx[0] = s->x; 931 s->mx[1] = 0; 932 s->my[0] = s->y; 933 s->my[1] = 0; 934 } 935 936 #define DEPTH 8 937 #include "blizzard_template.h" 938 #define DEPTH 15 939 #include "blizzard_template.h" 940 #define DEPTH 16 941 #include "blizzard_template.h" 942 #define DEPTH 24 943 #include "blizzard_template.h" 944 #define DEPTH 32 945 #include "blizzard_template.h" 946 947 static const GraphicHwOps blizzard_ops = { 948 .invalidate = blizzard_invalidate_display, 949 .gfx_update = blizzard_update_display, 950 }; 951 952 void *s1d13745_init(qemu_irq gpio_int) 953 { 954 BlizzardState *s = (BlizzardState *) g_malloc0(sizeof(*s)); 955 DisplaySurface *surface; 956 957 s->fb = g_malloc(0x180000); 958 959 s->con = graphic_console_init(NULL, &blizzard_ops, s); 960 surface = qemu_console_surface(s->con); 961 962 switch (surface_bits_per_pixel(surface)) { 963 case 0: 964 s->line_fn_tab[0] = s->line_fn_tab[1] = 965 g_malloc0(sizeof(blizzard_fn_t) * 0x10); 966 break; 967 case 8: 968 s->line_fn_tab[0] = blizzard_draw_fn_8; 969 s->line_fn_tab[1] = blizzard_draw_fn_r_8; 970 break; 971 case 15: 972 s->line_fn_tab[0] = blizzard_draw_fn_15; 973 s->line_fn_tab[1] = blizzard_draw_fn_r_15; 974 break; 975 case 16: 976 s->line_fn_tab[0] = blizzard_draw_fn_16; 977 s->line_fn_tab[1] = blizzard_draw_fn_r_16; 978 break; 979 case 24: 980 s->line_fn_tab[0] = blizzard_draw_fn_24; 981 s->line_fn_tab[1] = blizzard_draw_fn_r_24; 982 break; 983 case 32: 984 s->line_fn_tab[0] = blizzard_draw_fn_32; 985 s->line_fn_tab[1] = blizzard_draw_fn_r_32; 986 break; 987 default: 988 fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__); 989 exit(1); 990 } 991 992 blizzard_reset(s); 993 994 return s; 995 } 996