2 * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller.
4 * Copyright (C) 2008 Nokia Corporation
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.
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.
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.
22 #include "qemu-common.h"
27 #include "pixel_ops.h"
29 typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);
75 blizzard_fn_t *line_fn_tab[2];
78 uint8_t hssi_config[3];
85 uint8_t tv_filter_config;
86 uint8_t tv_filter_idx;
87 uint8_t tv_filter_coeff[0x20];
93 uint8_t gamma_lut[0x100];
95 uint8_t matrix_coeff[0x12];
105 uint8_t gpio_edge[2];
121 blizzard_fn_t line_fn;
125 /* Bytes(!) per pixel */
126 static const int blizzard_iformat_bpp[0x10] = {
129 3, /* RGB 6:6:6 mode 1 */
130 3, /* RGB 8:8:8 mode 1 */
132 4, /* RGB 6:6:6 mode 2 */
133 4, /* RGB 8:8:8 mode 2 */
139 static inline void blizzard_rgb2yuv(int r, int g, int b,
140 int *y, int *u, int *v)
142 *y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13);
143 *u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13);
144 *v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13);
147 static void blizzard_window(BlizzardState *s)
153 blizzard_fn_t fn = s->data.line_fn;
157 if (s->mx[0] > s->data.x)
158 s->mx[0] = s->data.x;
159 if (s->my[0] > s->data.y)
160 s->my[0] = s->data.y;
161 if (s->mx[1] < s->data.x + s->data.dx)
162 s->mx[1] = s->data.x + s->data.dx;
163 if (s->my[1] < s->data.y + s->data.dy)
164 s->my[1] = s->data.y + s->data.dy;
167 bypp[1] = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
168 bypl[0] = bypp[0] * s->data.pitch;
169 bypl[1] = bypp[1] * s->x;
170 bypl[2] = bypp[0] * s->data.dx;
173 dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x;
174 for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1])
175 fn(dst, src, bypl[2]);
178 static int blizzard_transfer_setup(BlizzardState *s)
180 if (s->source > 3 || !s->bpp ||
181 s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0])
184 s->data.angle = s->effect & 3;
185 s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat];
186 s->data.x = s->ix[0];
187 s->data.y = s->iy[0];
188 s->data.dx = s->ix[1] - s->ix[0] + 1;
189 s->data.dy = s->iy[1] - s->iy[0] + 1;
190 s->data.len = s->bpp * s->data.dx * s->data.dy;
191 s->data.pitch = s->data.dx;
192 if (s->data.len > s->data.buflen) {
193 s->data.buf = qemu_realloc(s->data.buf, s->data.len);
194 s->data.buflen = s->data.len;
196 s->data.ptr = s->data.buf;
197 s->data.data = s->data.buf;
202 static void blizzard_reset(BlizzardState *s)
213 s->memrefresh = 0x25c;
219 s->lcd_config = 0x74;
246 s->bpp = blizzard_iformat_bpp[s->iformat];
248 s->hssi_config[0] = 0x00;
249 s->hssi_config[1] = 0x00;
250 s->hssi_config[2] = 0x01;
252 s->tv_timing[0] = 0x00;
253 s->tv_timing[1] = 0x00;
254 s->tv_timing[2] = 0x00;
255 s->tv_timing[3] = 0x00;
260 s->tv_filter_config = 0x80;
261 s->tv_filter_idx = 0x00;
265 s->gamma_config = 0x00;
267 s->matrix_ena = 0x00;
268 memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff));
274 s->rgbgpio_dir = 0x00;
276 s->gpio_edge[0] = 0x00;
277 s->gpio_edge[1] = 0x00;
279 s->gpio_pdown = 0xff;
282 static inline void blizzard_invalidate_display(void *opaque) {
283 BlizzardState *s = (BlizzardState *) opaque;
288 static uint16_t blizzard_reg_read(void *opaque, uint8_t reg)
290 BlizzardState *s = (BlizzardState *) opaque;
293 case 0x00: /* Revision Code */
296 case 0x02: /* Configuration Readback */
297 return 0x83; /* Macrovision OK, CNF[2:0] = 3 */
299 case 0x04: /* PLL M-Divider */
300 return (s->pll - 1) | (1 << 7);
301 case 0x06: /* PLL Lock Range Control */
303 case 0x08: /* PLL Lock Synthesis Control 0 */
304 return s->pll_ctrl & 0xff;
305 case 0x0a: /* PLL Lock Synthesis Control 1 */
306 return s->pll_ctrl >> 8;
307 case 0x0c: /* PLL Mode Control 0 */
310 case 0x0e: /* Clock-Source Select */
313 case 0x10: /* Memory Controller Activate */
314 case 0x14: /* Memory Controller Bank 0 Status Flag */
317 case 0x18: /* Auto-Refresh Interval Setting 0 */
318 return s->memrefresh & 0xff;
319 case 0x1a: /* Auto-Refresh Interval Setting 1 */
320 return s->memrefresh >> 8;
322 case 0x1c: /* Power-On Sequence Timing Control */
324 case 0x1e: /* Timing Control 0 */
326 case 0x20: /* Timing Control 1 */
329 case 0x24: /* Arbitration Priority Control */
332 case 0x28: /* LCD Panel Configuration */
333 return s->lcd_config;
335 case 0x2a: /* LCD Horizontal Display Width */
337 case 0x2c: /* LCD Horizontal Non-display Period */
339 case 0x2e: /* LCD Vertical Display Height 0 */
341 case 0x30: /* LCD Vertical Display Height 1 */
343 case 0x32: /* LCD Vertical Non-display Period */
345 case 0x34: /* LCD HS Pulse-width */
347 case 0x36: /* LCd HS Pulse Start Position */
348 return s->skipx >> 3;
349 case 0x38: /* LCD VS Pulse-width */
351 case 0x3a: /* LCD VS Pulse Start Position */
354 case 0x3c: /* PCLK Polarity */
357 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
358 return s->hssi_config[0];
359 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
360 return s->hssi_config[1];
361 case 0x42: /* High-speed Serial Interface Tx Mode */
362 return s->hssi_config[2];
363 case 0x44: /* TV Display Configuration */
365 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */
366 return s->tv_timing[(reg - 0x46) >> 1];
367 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
369 case 0x50: /* TV Horizontal Start Position */
371 case 0x52: /* TV Vertical Start Position */
373 case 0x54: /* TV Test Pattern Setting */
375 case 0x56: /* TV Filter Setting */
376 return s->tv_filter_config;
377 case 0x58: /* TV Filter Coefficient Index */
378 return s->tv_filter_idx;
379 case 0x5a: /* TV Filter Coefficient Data */
380 if (s->tv_filter_idx < 0x20)
381 return s->tv_filter_coeff[s->tv_filter_idx ++];
384 case 0x60: /* Input YUV/RGB Translate Mode 0 */
386 case 0x62: /* Input YUV/RGB Translate Mode 1 */
388 case 0x64: /* U Data Fix */
390 case 0x66: /* V Data Fix */
393 case 0x68: /* Display Mode */
396 case 0x6a: /* Special Effects */
399 case 0x6c: /* Input Window X Start Position 0 */
400 return s->ix[0] & 0xff;
401 case 0x6e: /* Input Window X Start Position 1 */
402 return s->ix[0] >> 3;
403 case 0x70: /* Input Window Y Start Position 0 */
404 return s->ix[0] & 0xff;
405 case 0x72: /* Input Window Y Start Position 1 */
406 return s->ix[0] >> 3;
407 case 0x74: /* Input Window X End Position 0 */
408 return s->ix[1] & 0xff;
409 case 0x76: /* Input Window X End Position 1 */
410 return s->ix[1] >> 3;
411 case 0x78: /* Input Window Y End Position 0 */
412 return s->ix[1] & 0xff;
413 case 0x7a: /* Input Window Y End Position 1 */
414 return s->ix[1] >> 3;
415 case 0x7c: /* Output Window X Start Position 0 */
416 return s->ox[0] & 0xff;
417 case 0x7e: /* Output Window X Start Position 1 */
418 return s->ox[0] >> 3;
419 case 0x80: /* Output Window Y Start Position 0 */
420 return s->oy[0] & 0xff;
421 case 0x82: /* Output Window Y Start Position 1 */
422 return s->oy[0] >> 3;
423 case 0x84: /* Output Window X End Position 0 */
424 return s->ox[1] & 0xff;
425 case 0x86: /* Output Window X End Position 1 */
426 return s->ox[1] >> 3;
427 case 0x88: /* Output Window Y End Position 0 */
428 return s->oy[1] & 0xff;
429 case 0x8a: /* Output Window Y End Position 1 */
430 return s->oy[1] >> 3;
432 case 0x8c: /* Input Data Format */
434 case 0x8e: /* Data Source Select */
436 case 0x90: /* Display Memory Data Port */
439 case 0xa8: /* Border Color 0 */
441 case 0xaa: /* Border Color 1 */
443 case 0xac: /* Border Color 2 */
446 case 0xb4: /* Gamma Correction Enable */
447 return s->gamma_config;
448 case 0xb6: /* Gamma Correction Table Index */
450 case 0xb8: /* Gamma Correction Table Data */
451 return s->gamma_lut[s->gamma_idx ++];
453 case 0xba: /* 3x3 Matrix Enable */
454 return s->matrix_ena;
455 case 0xbc ... 0xde: /* Coefficient Registers */
456 return s->matrix_coeff[(reg - 0xbc) >> 1];
457 case 0xe0: /* 3x3 Matrix Red Offset */
459 case 0xe2: /* 3x3 Matrix Green Offset */
461 case 0xe4: /* 3x3 Matrix Blue Offset */
464 case 0xe6: /* Power-save */
466 case 0xe8: /* Non-display Period Control / Status */
467 return s->status | (1 << 5);
468 case 0xea: /* RGB Interface Control */
469 return s->rgbgpio_dir;
470 case 0xec: /* RGB Interface Status */
472 case 0xee: /* General-purpose IO Pins Configuration */
474 case 0xf0: /* General-purpose IO Pins Status / Control */
476 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
477 return s->gpio_edge[0];
478 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
479 return s->gpio_edge[1];
480 case 0xf6: /* GPIO Interrupt Status */
482 case 0xf8: /* GPIO Pull-down Control */
483 return s->gpio_pdown;
486 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
491 static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value)
493 BlizzardState *s = (BlizzardState *) opaque;
496 case 0x04: /* PLL M-Divider */
497 s->pll = (value & 0x3f) + 1;
499 case 0x06: /* PLL Lock Range Control */
500 s->pll_range = value & 3;
502 case 0x08: /* PLL Lock Synthesis Control 0 */
503 s->pll_ctrl &= 0xf00;
504 s->pll_ctrl |= (value << 0) & 0x0ff;
506 case 0x0a: /* PLL Lock Synthesis Control 1 */
507 s->pll_ctrl &= 0x0ff;
508 s->pll_ctrl |= (value << 8) & 0xf00;
510 case 0x0c: /* PLL Mode Control 0 */
511 s->pll_mode = value & 0x77;
512 if ((value & 3) == 0 || (value & 3) == 3)
513 fprintf(stderr, "%s: wrong PLL Control bits (%i)\n",
514 __FUNCTION__, value & 3);
517 case 0x0e: /* Clock-Source Select */
518 s->clksel = value & 0xff;
521 case 0x10: /* Memory Controller Activate */
522 s->memenable = value & 1;
524 case 0x14: /* Memory Controller Bank 0 Status Flag */
527 case 0x18: /* Auto-Refresh Interval Setting 0 */
528 s->memrefresh &= 0xf00;
529 s->memrefresh |= (value << 0) & 0x0ff;
531 case 0x1a: /* Auto-Refresh Interval Setting 1 */
532 s->memrefresh &= 0x0ff;
533 s->memrefresh |= (value << 8) & 0xf00;
536 case 0x1c: /* Power-On Sequence Timing Control */
537 s->timing[0] = value & 0x7f;
539 case 0x1e: /* Timing Control 0 */
540 s->timing[1] = value & 0x17;
542 case 0x20: /* Timing Control 1 */
543 s->timing[2] = value & 0x35;
546 case 0x24: /* Arbitration Priority Control */
547 s->priority = value & 1;
550 case 0x28: /* LCD Panel Configuration */
551 s->lcd_config = value & 0xff;
552 if (value & (1 << 7))
553 fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__);
556 case 0x2a: /* LCD Horizontal Display Width */
559 case 0x2c: /* LCD Horizontal Non-display Period */
560 s->hndp = value & 0xff;
562 case 0x2e: /* LCD Vertical Display Height 0 */
564 s->y |= (value << 0) & 0x0ff;
566 case 0x30: /* LCD Vertical Display Height 1 */
568 s->y |= (value << 8) & 0x300;
570 case 0x32: /* LCD Vertical Non-display Period */
571 s->vndp = value & 0xff;
573 case 0x34: /* LCD HS Pulse-width */
574 s->hsync = value & 0xff;
576 case 0x36: /* LCD HS Pulse Start Position */
577 s->skipx = value & 0xff;
579 case 0x38: /* LCD VS Pulse-width */
580 s->vsync = value & 0xbf;
582 case 0x3a: /* LCD VS Pulse Start Position */
583 s->skipy = value & 0xff;
586 case 0x3c: /* PCLK Polarity */
587 s->pclk = value & 0x82;
588 /* Affects calculation of s->hndp, s->hsync and s->skipx. */
591 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
592 s->hssi_config[0] = value;
594 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
595 s->hssi_config[1] = value;
596 if (((value >> 4) & 3) == 3)
597 fprintf(stderr, "%s: Illegal active-data-links value\n",
600 case 0x42: /* High-speed Serial Interface Tx Mode */
601 s->hssi_config[2] = value & 0xbd;
604 case 0x44: /* TV Display Configuration */
605 s->tv_config = value & 0xfe;
607 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */
608 s->tv_timing[(reg - 0x46) >> 1] = value;
610 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
613 case 0x50: /* TV Horizontal Start Position */
616 case 0x52: /* TV Vertical Start Position */
617 s->tv_y = value & 0x7f;
619 case 0x54: /* TV Test Pattern Setting */
622 case 0x56: /* TV Filter Setting */
623 s->tv_filter_config = value & 0xbf;
625 case 0x58: /* TV Filter Coefficient Index */
626 s->tv_filter_idx = value & 0x1f;
628 case 0x5a: /* TV Filter Coefficient Data */
629 if (s->tv_filter_idx < 0x20)
630 s->tv_filter_coeff[s->tv_filter_idx ++] = value;
633 case 0x60: /* Input YUV/RGB Translate Mode 0 */
634 s->yrc[0] = value & 0xb0;
636 case 0x62: /* Input YUV/RGB Translate Mode 1 */
637 s->yrc[1] = value & 0x30;
639 case 0x64: /* U Data Fix */
642 case 0x66: /* V Data Fix */
646 case 0x68: /* Display Mode */
647 if ((s->mode ^ value) & 3)
649 s->mode = value & 0xb7;
650 s->enable = value & 1;
651 s->blank = (value >> 1) & 1;
652 if (value & (1 << 4))
653 fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__);
656 case 0x6a: /* Special Effects */
657 s->effect = value & 0xfb;
660 case 0x6c: /* Input Window X Start Position 0 */
662 s->ix[0] |= (value << 0) & 0x0ff;
664 case 0x6e: /* Input Window X Start Position 1 */
666 s->ix[0] |= (value << 8) & 0x300;
668 case 0x70: /* Input Window Y Start Position 0 */
670 s->iy[0] |= (value << 0) & 0x0ff;
672 case 0x72: /* Input Window Y Start Position 1 */
674 s->iy[0] |= (value << 8) & 0x300;
676 case 0x74: /* Input Window X End Position 0 */
678 s->ix[1] |= (value << 0) & 0x0ff;
680 case 0x76: /* Input Window X End Position 1 */
682 s->ix[1] |= (value << 8) & 0x300;
684 case 0x78: /* Input Window Y End Position 0 */
686 s->iy[1] |= (value << 0) & 0x0ff;
688 case 0x7a: /* Input Window Y End Position 1 */
690 s->iy[1] |= (value << 8) & 0x300;
692 case 0x7c: /* Output Window X Start Position 0 */
694 s->ox[0] |= (value << 0) & 0x0ff;
696 case 0x7e: /* Output Window X Start Position 1 */
698 s->ox[0] |= (value << 8) & 0x300;
700 case 0x80: /* Output Window Y Start Position 0 */
702 s->oy[0] |= (value << 0) & 0x0ff;
704 case 0x82: /* Output Window Y Start Position 1 */
706 s->oy[0] |= (value << 8) & 0x300;
708 case 0x84: /* Output Window X End Position 0 */
710 s->ox[1] |= (value << 0) & 0x0ff;
712 case 0x86: /* Output Window X End Position 1 */
714 s->ox[1] |= (value << 8) & 0x300;
716 case 0x88: /* Output Window Y End Position 0 */
718 s->oy[1] |= (value << 0) & 0x0ff;
720 case 0x8a: /* Output Window Y End Position 1 */
722 s->oy[1] |= (value << 8) & 0x300;
725 case 0x8c: /* Input Data Format */
726 s->iformat = value & 0xf;
727 s->bpp = blizzard_iformat_bpp[s->iformat];
729 fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
730 __FUNCTION__, s->iformat);
732 case 0x8e: /* Data Source Select */
733 s->source = value & 7;
734 /* Currently all windows will be "destructive overlays". */
735 if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] ||
736 s->iy[0] != s->oy[0] ||
737 s->ix[1] != s->ox[1] ||
738 s->iy[1] != s->oy[1])) ||
739 !((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) &
740 (s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1))
741 fprintf(stderr, "%s: Illegal input/output window positions\n",
744 blizzard_transfer_setup(s);
747 case 0x90: /* Display Memory Data Port */
748 if (!s->data.len && !blizzard_transfer_setup(s))
751 *s->data.ptr ++ = value;
752 if (-- s->data.len == 0)
756 case 0xa8: /* Border Color 0 */
759 case 0xaa: /* Border Color 1 */
762 case 0xac: /* Border Color 2 */
766 case 0xb4: /* Gamma Correction Enable */
767 s->gamma_config = value & 0x87;
769 case 0xb6: /* Gamma Correction Table Index */
770 s->gamma_idx = value;
772 case 0xb8: /* Gamma Correction Table Data */
773 s->gamma_lut[s->gamma_idx ++] = value;
776 case 0xba: /* 3x3 Matrix Enable */
777 s->matrix_ena = value & 1;
779 case 0xbc ... 0xde: /* Coefficient Registers */
780 s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff);
782 case 0xe0: /* 3x3 Matrix Red Offset */
785 case 0xe2: /* 3x3 Matrix Green Offset */
788 case 0xe4: /* 3x3 Matrix Blue Offset */
792 case 0xe6: /* Power-save */
793 s->pm = value & 0x83;
794 if (value & s->mode & 1)
795 fprintf(stderr, "%s: The display must be disabled before entering "
796 "Standby Mode\n", __FUNCTION__);
798 case 0xe8: /* Non-display Period Control / Status */
799 s->status = value & 0x1b;
801 case 0xea: /* RGB Interface Control */
802 s->rgbgpio_dir = value & 0x8f;
804 case 0xec: /* RGB Interface Status */
805 s->rgbgpio = value & 0xcf;
807 case 0xee: /* General-purpose IO Pins Configuration */
810 case 0xf0: /* General-purpose IO Pins Status / Control */
813 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
814 s->gpio_edge[0] = value;
816 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
817 s->gpio_edge[1] = value;
819 case 0xf6: /* GPIO Interrupt Status */
820 s->gpio_irq &= value;
822 case 0xf8: /* GPIO Pull-down Control */
823 s->gpio_pdown = value;
827 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
832 uint16_t s1d13745_read(void *opaque, int dc)
834 BlizzardState *s = (BlizzardState *) opaque;
835 uint16_t value = blizzard_reg_read(s, s->reg);
837 if (s->swallow -- > 0)
845 void s1d13745_write(void *opaque, int dc, uint16_t value)
847 BlizzardState *s = (BlizzardState *) opaque;
849 if (s->swallow -- > 0)
852 blizzard_reg_write(s, s->reg, value);
854 if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8)
857 s->reg = value & 0xff;
860 void s1d13745_write_block(void *opaque, int dc,
861 void *buf, size_t len, int pitch)
863 BlizzardState *s = (BlizzardState *) opaque;
866 if (s->reg == 0x90 && dc &&
867 (s->data.len || blizzard_transfer_setup(s)) &&
868 len >= (s->data.len << 1)) {
869 len -= s->data.len << 1;
873 s->data.pitch = pitch;
875 s->data.data = s->data.buf;
879 s1d13745_write(opaque, dc, *(uint16_t *) buf);
887 static void blizzard_update_display(void *opaque)
889 BlizzardState *s = (BlizzardState *) opaque;
890 int y, bypp, bypl, bwidth;
896 if (s->x != ds_get_width(s->state) || s->y != ds_get_height(s->state)) {
898 qemu_console_resize(s->state, s->x, s->y);
905 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
906 memset(ds_get_data(s->state), 0, bypp * s->x * s->y);
916 if (s->mx[1] <= s->mx[0])
919 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
921 bwidth = bypp * (s->mx[1] - s->mx[0]);
923 src = s->fb + bypl * y + bypp * s->mx[0];
924 dst = ds_get_data(s->state) + bypl * y + bypp * s->mx[0];
925 for (; y < s->my[1]; y ++, src += bypl, dst += bypl)
926 memcpy(dst, src, bwidth);
928 dpy_update(s->state, s->mx[0], s->my[0],
929 s->mx[1] - s->mx[0], y - s->my[0]);
937 static void blizzard_screen_dump(void *opaque, const char *filename) {
938 BlizzardState *s = (BlizzardState *) opaque;
940 blizzard_update_display(opaque);
941 if (s && ds_get_data(s->state))
942 ppm_save(filename, s->state->surface);
946 #include "blizzard_template.h"
948 #include "blizzard_template.h"
950 #include "blizzard_template.h"
952 #include "blizzard_template.h"
954 #include "blizzard_template.h"
956 void *s1d13745_init(qemu_irq gpio_int)
958 BlizzardState *s = (BlizzardState *) qemu_mallocz(sizeof(*s));
960 s->fb = qemu_malloc(0x180000);
962 s->state = graphic_console_init(blizzard_update_display,
963 blizzard_invalidate_display,
964 blizzard_screen_dump, NULL, s);
966 switch (ds_get_bits_per_pixel(s->state)) {
968 s->line_fn_tab[0] = s->line_fn_tab[1] =
969 qemu_mallocz(sizeof(blizzard_fn_t) * 0x10);
972 s->line_fn_tab[0] = blizzard_draw_fn_8;
973 s->line_fn_tab[1] = blizzard_draw_fn_r_8;
976 s->line_fn_tab[0] = blizzard_draw_fn_15;
977 s->line_fn_tab[1] = blizzard_draw_fn_r_15;
980 s->line_fn_tab[0] = blizzard_draw_fn_16;
981 s->line_fn_tab[1] = blizzard_draw_fn_r_16;
984 s->line_fn_tab[0] = blizzard_draw_fn_24;
985 s->line_fn_tab[1] = blizzard_draw_fn_r_24;
988 s->line_fn_tab[0] = blizzard_draw_fn_32;
989 s->line_fn_tab[1] = blizzard_draw_fn_r_32;
992 fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);