2 * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller.
4 * Copyright (C) 2008 Nokia Corporation
5 * Written by Andrzej Zaborowski <andrew@openedhand.com>
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, see <http://www.gnu.org/licenses/>.
21 #include "qemu-common.h"
26 #include "pixel_ops.h"
28 typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);
74 blizzard_fn_t *line_fn_tab[2];
77 uint8_t hssi_config[3];
84 uint8_t tv_filter_config;
85 uint8_t tv_filter_idx;
86 uint8_t tv_filter_coeff[0x20];
92 uint8_t gamma_lut[0x100];
94 uint8_t matrix_coeff[0x12];
104 uint8_t gpio_edge[2];
120 blizzard_fn_t line_fn;
124 /* Bytes(!) per pixel */
125 static const int blizzard_iformat_bpp[0x10] = {
128 3, /* RGB 6:6:6 mode 1 */
129 3, /* RGB 8:8:8 mode 1 */
131 4, /* RGB 6:6:6 mode 2 */
132 4, /* RGB 8:8:8 mode 2 */
138 static inline void blizzard_rgb2yuv(int r, int g, int b,
139 int *y, int *u, int *v)
141 *y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13);
142 *u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13);
143 *v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13);
146 static void blizzard_window(BlizzardState *s)
152 blizzard_fn_t fn = s->data.line_fn;
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;
166 bypp[1] = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
167 bypl[0] = bypp[0] * s->data.pitch;
168 bypl[1] = bypp[1] * s->x;
169 bypl[2] = bypp[0] * s->data.dx;
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]);
177 static int blizzard_transfer_setup(BlizzardState *s)
179 if (s->source > 3 || !s->bpp ||
180 s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0])
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 = qemu_realloc(s->data.buf, s->data.len);
193 s->data.buflen = s->data.len;
195 s->data.ptr = s->data.buf;
196 s->data.data = s->data.buf;
201 static void blizzard_reset(BlizzardState *s)
212 s->memrefresh = 0x25c;
218 s->lcd_config = 0x74;
245 s->bpp = blizzard_iformat_bpp[s->iformat];
247 s->hssi_config[0] = 0x00;
248 s->hssi_config[1] = 0x00;
249 s->hssi_config[2] = 0x01;
251 s->tv_timing[0] = 0x00;
252 s->tv_timing[1] = 0x00;
253 s->tv_timing[2] = 0x00;
254 s->tv_timing[3] = 0x00;
259 s->tv_filter_config = 0x80;
260 s->tv_filter_idx = 0x00;
264 s->gamma_config = 0x00;
266 s->matrix_ena = 0x00;
267 memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff));
273 s->rgbgpio_dir = 0x00;
275 s->gpio_edge[0] = 0x00;
276 s->gpio_edge[1] = 0x00;
278 s->gpio_pdown = 0xff;
281 static inline void blizzard_invalidate_display(void *opaque) {
282 BlizzardState *s = (BlizzardState *) opaque;
287 static uint16_t blizzard_reg_read(void *opaque, uint8_t reg)
289 BlizzardState *s = (BlizzardState *) opaque;
292 case 0x00: /* Revision Code */
295 case 0x02: /* Configuration Readback */
296 return 0x83; /* Macrovision OK, CNF[2:0] = 3 */
298 case 0x04: /* PLL M-Divider */
299 return (s->pll - 1) | (1 << 7);
300 case 0x06: /* PLL Lock Range Control */
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 */
309 case 0x0e: /* Clock-Source Select */
312 case 0x10: /* Memory Controller Activate */
313 case 0x14: /* Memory Controller Bank 0 Status Flag */
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;
321 case 0x1c: /* Power-On Sequence Timing Control */
323 case 0x1e: /* Timing Control 0 */
325 case 0x20: /* Timing Control 1 */
328 case 0x24: /* Arbitration Priority Control */
331 case 0x28: /* LCD Panel Configuration */
332 return s->lcd_config;
334 case 0x2a: /* LCD Horizontal Display Width */
336 case 0x2c: /* LCD Horizontal Non-display Period */
338 case 0x2e: /* LCD Vertical Display Height 0 */
340 case 0x30: /* LCD Vertical Display Height 1 */
342 case 0x32: /* LCD Vertical Non-display Period */
344 case 0x34: /* LCD HS Pulse-width */
346 case 0x36: /* LCd HS Pulse Start Position */
347 return s->skipx >> 3;
348 case 0x38: /* LCD VS Pulse-width */
350 case 0x3a: /* LCD VS Pulse Start Position */
353 case 0x3c: /* PCLK Polarity */
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 */
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 */
368 case 0x50: /* TV Horizontal Start Position */
370 case 0x52: /* TV Vertical Start Position */
372 case 0x54: /* TV Test Pattern Setting */
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 ++];
383 case 0x60: /* Input YUV/RGB Translate Mode 0 */
385 case 0x62: /* Input YUV/RGB Translate Mode 1 */
387 case 0x64: /* U Data Fix */
389 case 0x66: /* V Data Fix */
392 case 0x68: /* Display Mode */
395 case 0x6a: /* Special Effects */
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;
431 case 0x8c: /* Input Data Format */
433 case 0x8e: /* Data Source Select */
435 case 0x90: /* Display Memory Data Port */
438 case 0xa8: /* Border Color 0 */
440 case 0xaa: /* Border Color 1 */
442 case 0xac: /* Border Color 2 */
445 case 0xb4: /* Gamma Correction Enable */
446 return s->gamma_config;
447 case 0xb6: /* Gamma Correction Table Index */
449 case 0xb8: /* Gamma Correction Table Data */
450 return s->gamma_lut[s->gamma_idx ++];
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 */
458 case 0xe2: /* 3x3 Matrix Green Offset */
460 case 0xe4: /* 3x3 Matrix Blue Offset */
463 case 0xe6: /* Power-save */
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 */
471 case 0xee: /* General-purpose IO Pins Configuration */
473 case 0xf0: /* General-purpose IO Pins Status / Control */
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 */
481 case 0xf8: /* GPIO Pull-down Control */
482 return s->gpio_pdown;
485 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
490 static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value)
492 BlizzardState *s = (BlizzardState *) opaque;
495 case 0x04: /* PLL M-Divider */
496 s->pll = (value & 0x3f) + 1;
498 case 0x06: /* PLL Lock Range Control */
499 s->pll_range = value & 3;
501 case 0x08: /* PLL Lock Synthesis Control 0 */
502 s->pll_ctrl &= 0xf00;
503 s->pll_ctrl |= (value << 0) & 0x0ff;
505 case 0x0a: /* PLL Lock Synthesis Control 1 */
506 s->pll_ctrl &= 0x0ff;
507 s->pll_ctrl |= (value << 8) & 0xf00;
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);
516 case 0x0e: /* Clock-Source Select */
517 s->clksel = value & 0xff;
520 case 0x10: /* Memory Controller Activate */
521 s->memenable = value & 1;
523 case 0x14: /* Memory Controller Bank 0 Status Flag */
526 case 0x18: /* Auto-Refresh Interval Setting 0 */
527 s->memrefresh &= 0xf00;
528 s->memrefresh |= (value << 0) & 0x0ff;
530 case 0x1a: /* Auto-Refresh Interval Setting 1 */
531 s->memrefresh &= 0x0ff;
532 s->memrefresh |= (value << 8) & 0xf00;
535 case 0x1c: /* Power-On Sequence Timing Control */
536 s->timing[0] = value & 0x7f;
538 case 0x1e: /* Timing Control 0 */
539 s->timing[1] = value & 0x17;
541 case 0x20: /* Timing Control 1 */
542 s->timing[2] = value & 0x35;
545 case 0x24: /* Arbitration Priority Control */
546 s->priority = value & 1;
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__);
555 case 0x2a: /* LCD Horizontal Display Width */
558 case 0x2c: /* LCD Horizontal Non-display Period */
559 s->hndp = value & 0xff;
561 case 0x2e: /* LCD Vertical Display Height 0 */
563 s->y |= (value << 0) & 0x0ff;
565 case 0x30: /* LCD Vertical Display Height 1 */
567 s->y |= (value << 8) & 0x300;
569 case 0x32: /* LCD Vertical Non-display Period */
570 s->vndp = value & 0xff;
572 case 0x34: /* LCD HS Pulse-width */
573 s->hsync = value & 0xff;
575 case 0x36: /* LCD HS Pulse Start Position */
576 s->skipx = value & 0xff;
578 case 0x38: /* LCD VS Pulse-width */
579 s->vsync = value & 0xbf;
581 case 0x3a: /* LCD VS Pulse Start Position */
582 s->skipy = value & 0xff;
585 case 0x3c: /* PCLK Polarity */
586 s->pclk = value & 0x82;
587 /* Affects calculation of s->hndp, s->hsync and s->skipx. */
590 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
591 s->hssi_config[0] = value;
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",
599 case 0x42: /* High-speed Serial Interface Tx Mode */
600 s->hssi_config[2] = value & 0xbd;
603 case 0x44: /* TV Display Configuration */
604 s->tv_config = value & 0xfe;
606 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */
607 s->tv_timing[(reg - 0x46) >> 1] = value;
609 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
612 case 0x50: /* TV Horizontal Start Position */
615 case 0x52: /* TV Vertical Start Position */
616 s->tv_y = value & 0x7f;
618 case 0x54: /* TV Test Pattern Setting */
621 case 0x56: /* TV Filter Setting */
622 s->tv_filter_config = value & 0xbf;
624 case 0x58: /* TV Filter Coefficient Index */
625 s->tv_filter_idx = value & 0x1f;
627 case 0x5a: /* TV Filter Coefficient Data */
628 if (s->tv_filter_idx < 0x20)
629 s->tv_filter_coeff[s->tv_filter_idx ++] = value;
632 case 0x60: /* Input YUV/RGB Translate Mode 0 */
633 s->yrc[0] = value & 0xb0;
635 case 0x62: /* Input YUV/RGB Translate Mode 1 */
636 s->yrc[1] = value & 0x30;
638 case 0x64: /* U Data Fix */
641 case 0x66: /* V Data Fix */
645 case 0x68: /* Display Mode */
646 if ((s->mode ^ value) & 3)
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__);
655 case 0x6a: /* Special Effects */
656 s->effect = value & 0xfb;
659 case 0x6c: /* Input Window X Start Position 0 */
661 s->ix[0] |= (value << 0) & 0x0ff;
663 case 0x6e: /* Input Window X Start Position 1 */
665 s->ix[0] |= (value << 8) & 0x300;
667 case 0x70: /* Input Window Y Start Position 0 */
669 s->iy[0] |= (value << 0) & 0x0ff;
671 case 0x72: /* Input Window Y Start Position 1 */
673 s->iy[0] |= (value << 8) & 0x300;
675 case 0x74: /* Input Window X End Position 0 */
677 s->ix[1] |= (value << 0) & 0x0ff;
679 case 0x76: /* Input Window X End Position 1 */
681 s->ix[1] |= (value << 8) & 0x300;
683 case 0x78: /* Input Window Y End Position 0 */
685 s->iy[1] |= (value << 0) & 0x0ff;
687 case 0x7a: /* Input Window Y End Position 1 */
689 s->iy[1] |= (value << 8) & 0x300;
691 case 0x7c: /* Output Window X Start Position 0 */
693 s->ox[0] |= (value << 0) & 0x0ff;
695 case 0x7e: /* Output Window X Start Position 1 */
697 s->ox[0] |= (value << 8) & 0x300;
699 case 0x80: /* Output Window Y Start Position 0 */
701 s->oy[0] |= (value << 0) & 0x0ff;
703 case 0x82: /* Output Window Y Start Position 1 */
705 s->oy[0] |= (value << 8) & 0x300;
707 case 0x84: /* Output Window X End Position 0 */
709 s->ox[1] |= (value << 0) & 0x0ff;
711 case 0x86: /* Output Window X End Position 1 */
713 s->ox[1] |= (value << 8) & 0x300;
715 case 0x88: /* Output Window Y End Position 0 */
717 s->oy[1] |= (value << 0) & 0x0ff;
719 case 0x8a: /* Output Window Y End Position 1 */
721 s->oy[1] |= (value << 8) & 0x300;
724 case 0x8c: /* Input Data Format */
725 s->iformat = value & 0xf;
726 s->bpp = blizzard_iformat_bpp[s->iformat];
728 fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
729 __FUNCTION__, s->iformat);
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",
743 blizzard_transfer_setup(s);
746 case 0x90: /* Display Memory Data Port */
747 if (!s->data.len && !blizzard_transfer_setup(s))
750 *s->data.ptr ++ = value;
751 if (-- s->data.len == 0)
755 case 0xa8: /* Border Color 0 */
758 case 0xaa: /* Border Color 1 */
761 case 0xac: /* Border Color 2 */
765 case 0xb4: /* Gamma Correction Enable */
766 s->gamma_config = value & 0x87;
768 case 0xb6: /* Gamma Correction Table Index */
769 s->gamma_idx = value;
771 case 0xb8: /* Gamma Correction Table Data */
772 s->gamma_lut[s->gamma_idx ++] = value;
775 case 0xba: /* 3x3 Matrix Enable */
776 s->matrix_ena = value & 1;
778 case 0xbc ... 0xde: /* Coefficient Registers */
779 s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff);
781 case 0xe0: /* 3x3 Matrix Red Offset */
784 case 0xe2: /* 3x3 Matrix Green Offset */
787 case 0xe4: /* 3x3 Matrix Blue Offset */
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__);
797 case 0xe8: /* Non-display Period Control / Status */
798 s->status = value & 0x1b;
800 case 0xea: /* RGB Interface Control */
801 s->rgbgpio_dir = value & 0x8f;
803 case 0xec: /* RGB Interface Status */
804 s->rgbgpio = value & 0xcf;
806 case 0xee: /* General-purpose IO Pins Configuration */
809 case 0xf0: /* General-purpose IO Pins Status / Control */
812 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
813 s->gpio_edge[0] = value;
815 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
816 s->gpio_edge[1] = value;
818 case 0xf6: /* GPIO Interrupt Status */
819 s->gpio_irq &= value;
821 case 0xf8: /* GPIO Pull-down Control */
822 s->gpio_pdown = value;
826 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
831 uint16_t s1d13745_read(void *opaque, int dc)
833 BlizzardState *s = (BlizzardState *) opaque;
834 uint16_t value = blizzard_reg_read(s, s->reg);
836 if (s->swallow -- > 0)
844 void s1d13745_write(void *opaque, int dc, uint16_t value)
846 BlizzardState *s = (BlizzardState *) opaque;
848 if (s->swallow -- > 0)
851 blizzard_reg_write(s, s->reg, value);
853 if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8)
856 s->reg = value & 0xff;
859 void s1d13745_write_block(void *opaque, int dc,
860 void *buf, size_t len, int pitch)
862 BlizzardState *s = (BlizzardState *) opaque;
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;
872 s->data.pitch = pitch;
874 s->data.data = s->data.buf;
878 s1d13745_write(opaque, dc, *(uint16_t *) buf);
886 static void blizzard_update_display(void *opaque)
888 BlizzardState *s = (BlizzardState *) opaque;
889 int y, bypp, bypl, bwidth;
895 if (s->x != ds_get_width(s->state) || s->y != ds_get_height(s->state)) {
897 qemu_console_resize(s->state, s->x, s->y);
904 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
905 memset(ds_get_data(s->state), 0, bypp * s->x * s->y);
915 if (s->mx[1] <= s->mx[0])
918 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
920 bwidth = bypp * (s->mx[1] - s->mx[0]);
922 src = s->fb + bypl * y + bypp * s->mx[0];
923 dst = ds_get_data(s->state) + bypl * y + bypp * s->mx[0];
924 for (; y < s->my[1]; y ++, src += bypl, dst += bypl)
925 memcpy(dst, src, bwidth);
927 dpy_update(s->state, s->mx[0], s->my[0],
928 s->mx[1] - s->mx[0], y - s->my[0]);
936 static void blizzard_screen_dump(void *opaque, const char *filename) {
937 BlizzardState *s = (BlizzardState *) opaque;
939 blizzard_update_display(opaque);
940 if (s && ds_get_data(s->state))
941 ppm_save(filename, s->state->surface);
945 #include "blizzard_template.h"
947 #include "blizzard_template.h"
949 #include "blizzard_template.h"
951 #include "blizzard_template.h"
953 #include "blizzard_template.h"
955 void *s1d13745_init(qemu_irq gpio_int)
957 BlizzardState *s = (BlizzardState *) qemu_mallocz(sizeof(*s));
959 s->fb = qemu_malloc(0x180000);
961 s->state = graphic_console_init(blizzard_update_display,
962 blizzard_invalidate_display,
963 blizzard_screen_dump, NULL, s);
965 switch (ds_get_bits_per_pixel(s->state)) {
967 s->line_fn_tab[0] = s->line_fn_tab[1] =
968 qemu_mallocz(sizeof(blizzard_fn_t) * 0x10);
971 s->line_fn_tab[0] = blizzard_draw_fn_8;
972 s->line_fn_tab[1] = blizzard_draw_fn_r_8;
975 s->line_fn_tab[0] = blizzard_draw_fn_15;
976 s->line_fn_tab[1] = blizzard_draw_fn_r_15;
979 s->line_fn_tab[0] = blizzard_draw_fn_16;
980 s->line_fn_tab[1] = blizzard_draw_fn_r_16;
983 s->line_fn_tab[0] = blizzard_draw_fn_24;
984 s->line_fn_tab[1] = blizzard_draw_fn_r_24;
987 s->line_fn_tab[0] = blizzard_draw_fn_32;
988 s->line_fn_tab[1] = blizzard_draw_fn_r_32;
991 fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);