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
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 #include "qemu-common.h"
28 #include "pixel_ops.h"
30 typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);
77 blizzard_fn_t *line_fn_tab[2];
80 uint8_t hssi_config[3];
87 uint8_t tv_filter_config;
88 uint8_t tv_filter_idx;
89 uint8_t tv_filter_coeff[0x20];
95 uint8_t gamma_lut[0x100];
97 uint8_t matrix_coeff[0x12];
107 uint8_t gpio_edge[2];
123 blizzard_fn_t line_fn;
127 /* Bytes(!) per pixel */
128 static const int blizzard_iformat_bpp[0x10] = {
131 3, /* RGB 6:6:6 mode 1 */
132 3, /* RGB 8:8:8 mode 1 */
134 4, /* RGB 6:6:6 mode 2 */
135 4, /* RGB 8:8:8 mode 2 */
141 static inline void blizzard_rgb2yuv(int r, int g, int b,
142 int *y, int *u, int *v)
144 *y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13);
145 *u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13);
146 *v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13);
149 static void blizzard_window(struct blizzard_s *s)
155 blizzard_fn_t fn = s->data.line_fn;
159 if (s->mx[0] > s->data.x)
160 s->mx[0] = s->data.x;
161 if (s->my[0] > s->data.y)
162 s->my[0] = s->data.y;
163 if (s->mx[1] < s->data.x + s->data.dx)
164 s->mx[1] = s->data.x + s->data.dx;
165 if (s->my[1] < s->data.y + s->data.dy)
166 s->my[1] = s->data.y + s->data.dy;
169 bypp[1] = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
170 bypl[0] = bypp[0] * s->data.pitch;
171 bypl[1] = bypp[1] * s->x;
172 bypl[2] = bypp[0] * s->data.dx;
175 dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x;
176 for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1])
177 fn(dst, src, bypl[2]);
180 static int blizzard_transfer_setup(struct blizzard_s *s)
182 if (s->source > 3 || !s->bpp ||
183 s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0])
186 s->data.angle = s->effect & 3;
187 s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat];
188 s->data.x = s->ix[0];
189 s->data.y = s->iy[0];
190 s->data.dx = s->ix[1] - s->ix[0] + 1;
191 s->data.dy = s->iy[1] - s->iy[0] + 1;
192 s->data.len = s->bpp * s->data.dx * s->data.dy;
193 s->data.pitch = s->data.dx;
194 if (s->data.len > s->data.buflen) {
195 s->data.buf = qemu_realloc(s->data.buf, s->data.len);
196 s->data.buflen = s->data.len;
198 s->data.ptr = s->data.buf;
199 s->data.data = s->data.buf;
204 static void blizzard_reset(struct blizzard_s *s)
215 s->memrefresh = 0x25c;
221 s->lcd_config = 0x74;
248 s->bpp = blizzard_iformat_bpp[s->iformat];
250 s->hssi_config[0] = 0x00;
251 s->hssi_config[1] = 0x00;
252 s->hssi_config[2] = 0x01;
254 s->tv_timing[0] = 0x00;
255 s->tv_timing[1] = 0x00;
256 s->tv_timing[2] = 0x00;
257 s->tv_timing[3] = 0x00;
262 s->tv_filter_config = 0x80;
263 s->tv_filter_idx = 0x00;
267 s->gamma_config = 0x00;
269 s->matrix_ena = 0x00;
270 memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff));
276 s->rgbgpio_dir = 0x00;
278 s->gpio_edge[0] = 0x00;
279 s->gpio_edge[1] = 0x00;
281 s->gpio_pdown = 0xff;
284 static inline void blizzard_invalidate_display(void *opaque) {
285 struct blizzard_s *s = (struct blizzard_s *) opaque;
290 static uint16_t blizzard_reg_read(void *opaque, uint8_t reg)
292 struct blizzard_s *s = (struct blizzard_s *) opaque;
295 case 0x00: /* Revision Code */
298 case 0x02: /* Configuration Readback */
299 return 0x83; /* Macrovision OK, CNF[2:0] = 3 */
301 case 0x04: /* PLL M-Divider */
302 return (s->pll - 1) | (1 << 7);
303 case 0x06: /* PLL Lock Range Control */
305 case 0x08: /* PLL Lock Synthesis Control 0 */
306 return s->pll_ctrl & 0xff;
307 case 0x0a: /* PLL Lock Synthesis Control 1 */
308 return s->pll_ctrl >> 8;
309 case 0x0c: /* PLL Mode Control 0 */
312 case 0x0e: /* Clock-Source Select */
315 case 0x10: /* Memory Controller Activate */
316 case 0x14: /* Memory Controller Bank 0 Status Flag */
319 case 0x18: /* Auto-Refresh Interval Setting 0 */
320 return s->memrefresh & 0xff;
321 case 0x1a: /* Auto-Refresh Interval Setting 1 */
322 return s->memrefresh >> 8;
324 case 0x1c: /* Power-On Sequence Timing Control */
326 case 0x1e: /* Timing Control 0 */
328 case 0x20: /* Timing Control 1 */
331 case 0x24: /* Arbitration Priority Control */
334 case 0x28: /* LCD Panel Configuration */
335 return s->lcd_config;
337 case 0x2a: /* LCD Horizontal Display Width */
339 case 0x2c: /* LCD Horizontal Non-display Period */
341 case 0x2e: /* LCD Vertical Display Height 0 */
343 case 0x30: /* LCD Vertical Display Height 1 */
345 case 0x32: /* LCD Vertical Non-display Period */
347 case 0x34: /* LCD HS Pulse-width */
349 case 0x36: /* LCd HS Pulse Start Position */
350 return s->skipx >> 3;
351 case 0x38: /* LCD VS Pulse-width */
353 case 0x3a: /* LCD VS Pulse Start Position */
356 case 0x3c: /* PCLK Polarity */
359 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
360 return s->hssi_config[0];
361 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
362 return s->hssi_config[1];
363 case 0x42: /* High-speed Serial Interface Tx Mode */
364 return s->hssi_config[2];
365 case 0x44: /* TV Display Configuration */
367 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */
368 return s->tv_timing[(reg - 0x46) >> 1];
369 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
371 case 0x50: /* TV Horizontal Start Position */
373 case 0x52: /* TV Vertical Start Position */
375 case 0x54: /* TV Test Pattern Setting */
377 case 0x56: /* TV Filter Setting */
378 return s->tv_filter_config;
379 case 0x58: /* TV Filter Coefficient Index */
380 return s->tv_filter_idx;
381 case 0x5a: /* TV Filter Coefficient Data */
382 if (s->tv_filter_idx < 0x20)
383 return s->tv_filter_coeff[s->tv_filter_idx ++];
386 case 0x60: /* Input YUV/RGB Translate Mode 0 */
388 case 0x62: /* Input YUV/RGB Translate Mode 1 */
390 case 0x64: /* U Data Fix */
392 case 0x66: /* V Data Fix */
395 case 0x68: /* Display Mode */
398 case 0x6a: /* Special Effects */
401 case 0x6c: /* Input Window X Start Position 0 */
402 return s->ix[0] & 0xff;
403 case 0x6e: /* Input Window X Start Position 1 */
404 return s->ix[0] >> 3;
405 case 0x70: /* Input Window Y Start Position 0 */
406 return s->ix[0] & 0xff;
407 case 0x72: /* Input Window Y Start Position 1 */
408 return s->ix[0] >> 3;
409 case 0x74: /* Input Window X End Position 0 */
410 return s->ix[1] & 0xff;
411 case 0x76: /* Input Window X End Position 1 */
412 return s->ix[1] >> 3;
413 case 0x78: /* Input Window Y End Position 0 */
414 return s->ix[1] & 0xff;
415 case 0x7a: /* Input Window Y End Position 1 */
416 return s->ix[1] >> 3;
417 case 0x7c: /* Output Window X Start Position 0 */
418 return s->ox[0] & 0xff;
419 case 0x7e: /* Output Window X Start Position 1 */
420 return s->ox[0] >> 3;
421 case 0x80: /* Output Window Y Start Position 0 */
422 return s->oy[0] & 0xff;
423 case 0x82: /* Output Window Y Start Position 1 */
424 return s->oy[0] >> 3;
425 case 0x84: /* Output Window X End Position 0 */
426 return s->ox[1] & 0xff;
427 case 0x86: /* Output Window X End Position 1 */
428 return s->ox[1] >> 3;
429 case 0x88: /* Output Window Y End Position 0 */
430 return s->oy[1] & 0xff;
431 case 0x8a: /* Output Window Y End Position 1 */
432 return s->oy[1] >> 3;
434 case 0x8c: /* Input Data Format */
436 case 0x8e: /* Data Source Select */
438 case 0x90: /* Display Memory Data Port */
441 case 0xa8: /* Border Color 0 */
443 case 0xaa: /* Border Color 1 */
445 case 0xac: /* Border Color 2 */
448 case 0xb4: /* Gamma Correction Enable */
449 return s->gamma_config;
450 case 0xb6: /* Gamma Correction Table Index */
452 case 0xb8: /* Gamma Correction Table Data */
453 return s->gamma_lut[s->gamma_idx ++];
455 case 0xba: /* 3x3 Matrix Enable */
456 return s->matrix_ena;
457 case 0xbc ... 0xde: /* Coefficient Registers */
458 return s->matrix_coeff[(reg - 0xbc) >> 1];
459 case 0xe0: /* 3x3 Matrix Red Offset */
461 case 0xe2: /* 3x3 Matrix Green Offset */
463 case 0xe4: /* 3x3 Matrix Blue Offset */
466 case 0xe6: /* Power-save */
468 case 0xe8: /* Non-display Period Control / Status */
469 return s->status | (1 << 5);
470 case 0xea: /* RGB Interface Control */
471 return s->rgbgpio_dir;
472 case 0xec: /* RGB Interface Status */
474 case 0xee: /* General-purpose IO Pins Configuration */
476 case 0xf0: /* General-purpose IO Pins Status / Control */
478 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
479 return s->gpio_edge[0];
480 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
481 return s->gpio_edge[1];
482 case 0xf6: /* GPIO Interrupt Status */
484 case 0xf8: /* GPIO Pull-down Control */
485 return s->gpio_pdown;
488 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
493 static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value)
495 struct blizzard_s *s = (struct blizzard_s *) opaque;
498 case 0x04: /* PLL M-Divider */
499 s->pll = (value & 0x3f) + 1;
501 case 0x06: /* PLL Lock Range Control */
502 s->pll_range = value & 3;
504 case 0x08: /* PLL Lock Synthesis Control 0 */
505 s->pll_ctrl &= 0xf00;
506 s->pll_ctrl |= (value << 0) & 0x0ff;
508 case 0x0a: /* PLL Lock Synthesis Control 1 */
509 s->pll_ctrl &= 0x0ff;
510 s->pll_ctrl |= (value << 8) & 0xf00;
512 case 0x0c: /* PLL Mode Control 0 */
513 s->pll_mode = value & 0x77;
514 if ((value & 3) == 0 || (value & 3) == 3)
515 fprintf(stderr, "%s: wrong PLL Control bits (%i)\n",
516 __FUNCTION__, value & 3);
519 case 0x0e: /* Clock-Source Select */
520 s->clksel = value & 0xff;
523 case 0x10: /* Memory Controller Activate */
524 s->memenable = value & 1;
526 case 0x14: /* Memory Controller Bank 0 Status Flag */
529 case 0x18: /* Auto-Refresh Interval Setting 0 */
530 s->memrefresh &= 0xf00;
531 s->memrefresh |= (value << 0) & 0x0ff;
533 case 0x1a: /* Auto-Refresh Interval Setting 1 */
534 s->memrefresh &= 0x0ff;
535 s->memrefresh |= (value << 8) & 0xf00;
538 case 0x1c: /* Power-On Sequence Timing Control */
539 s->timing[0] = value & 0x7f;
541 case 0x1e: /* Timing Control 0 */
542 s->timing[1] = value & 0x17;
544 case 0x20: /* Timing Control 1 */
545 s->timing[2] = value & 0x35;
548 case 0x24: /* Arbitration Priority Control */
549 s->priority = value & 1;
552 case 0x28: /* LCD Panel Configuration */
553 s->lcd_config = value & 0xff;
554 if (value & (1 << 7))
555 fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__);
558 case 0x2a: /* LCD Horizontal Display Width */
561 case 0x2c: /* LCD Horizontal Non-display Period */
562 s->hndp = value & 0xff;
564 case 0x2e: /* LCD Vertical Display Height 0 */
566 s->y |= (value << 0) & 0x0ff;
568 case 0x30: /* LCD Vertical Display Height 1 */
570 s->y |= (value << 8) & 0x300;
572 case 0x32: /* LCD Vertical Non-display Period */
573 s->vndp = value & 0xff;
575 case 0x34: /* LCD HS Pulse-width */
576 s->hsync = value & 0xff;
578 case 0x36: /* LCD HS Pulse Start Position */
579 s->skipx = value & 0xff;
581 case 0x38: /* LCD VS Pulse-width */
582 s->vsync = value & 0xbf;
584 case 0x3a: /* LCD VS Pulse Start Position */
585 s->skipy = value & 0xff;
588 case 0x3c: /* PCLK Polarity */
589 s->pclk = value & 0x82;
590 /* Affects calculation of s->hndp, s->hsync and s->skipx. */
593 case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
594 s->hssi_config[0] = value;
596 case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
597 s->hssi_config[1] = value;
598 if (((value >> 4) & 3) == 3)
599 fprintf(stderr, "%s: Illegal active-data-links value\n",
602 case 0x42: /* High-speed Serial Interface Tx Mode */
603 s->hssi_config[2] = value & 0xbd;
606 case 0x44: /* TV Display Configuration */
607 s->tv_config = value & 0xfe;
609 case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */
610 s->tv_timing[(reg - 0x46) >> 1] = value;
612 case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
615 case 0x50: /* TV Horizontal Start Position */
618 case 0x52: /* TV Vertical Start Position */
619 s->tv_y = value & 0x7f;
621 case 0x54: /* TV Test Pattern Setting */
624 case 0x56: /* TV Filter Setting */
625 s->tv_filter_config = value & 0xbf;
627 case 0x58: /* TV Filter Coefficient Index */
628 s->tv_filter_idx = value & 0x1f;
630 case 0x5a: /* TV Filter Coefficient Data */
631 if (s->tv_filter_idx < 0x20)
632 s->tv_filter_coeff[s->tv_filter_idx ++] = value;
635 case 0x60: /* Input YUV/RGB Translate Mode 0 */
636 s->yrc[0] = value & 0xb0;
638 case 0x62: /* Input YUV/RGB Translate Mode 1 */
639 s->yrc[1] = value & 0x30;
641 case 0x64: /* U Data Fix */
644 case 0x66: /* V Data Fix */
648 case 0x68: /* Display Mode */
649 if ((s->mode ^ value) & 3)
651 s->mode = value & 0xb7;
652 s->enable = value & 1;
653 s->blank = (value >> 1) & 1;
654 if (value & (1 << 4))
655 fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__);
658 case 0x6a: /* Special Effects */
659 s->effect = value & 0xfb;
662 case 0x6c: /* Input Window X Start Position 0 */
664 s->ix[0] |= (value << 0) & 0x0ff;
666 case 0x6e: /* Input Window X Start Position 1 */
668 s->ix[0] |= (value << 8) & 0x300;
670 case 0x70: /* Input Window Y Start Position 0 */
672 s->iy[0] |= (value << 0) & 0x0ff;
674 case 0x72: /* Input Window Y Start Position 1 */
676 s->iy[0] |= (value << 8) & 0x300;
678 case 0x74: /* Input Window X End Position 0 */
680 s->ix[1] |= (value << 0) & 0x0ff;
682 case 0x76: /* Input Window X End Position 1 */
684 s->ix[1] |= (value << 8) & 0x300;
686 case 0x78: /* Input Window Y End Position 0 */
688 s->iy[1] |= (value << 0) & 0x0ff;
690 case 0x7a: /* Input Window Y End Position 1 */
692 s->iy[1] |= (value << 8) & 0x300;
694 case 0x7c: /* Output Window X Start Position 0 */
696 s->ox[0] |= (value << 0) & 0x0ff;
698 case 0x7e: /* Output Window X Start Position 1 */
700 s->ox[0] |= (value << 8) & 0x300;
702 case 0x80: /* Output Window Y Start Position 0 */
704 s->oy[0] |= (value << 0) & 0x0ff;
706 case 0x82: /* Output Window Y Start Position 1 */
708 s->oy[0] |= (value << 8) & 0x300;
710 case 0x84: /* Output Window X End Position 0 */
712 s->ox[1] |= (value << 0) & 0x0ff;
714 case 0x86: /* Output Window X End Position 1 */
716 s->ox[1] |= (value << 8) & 0x300;
718 case 0x88: /* Output Window Y End Position 0 */
720 s->oy[1] |= (value << 0) & 0x0ff;
722 case 0x8a: /* Output Window Y End Position 1 */
724 s->oy[1] |= (value << 8) & 0x300;
727 case 0x8c: /* Input Data Format */
728 s->iformat = value & 0xf;
729 s->bpp = blizzard_iformat_bpp[s->iformat];
731 fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
732 __FUNCTION__, s->iformat);
734 case 0x8e: /* Data Source Select */
735 s->source = value & 7;
736 /* Currently all windows will be "destructive overlays". */
737 if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] ||
738 s->iy[0] != s->oy[0] ||
739 s->ix[1] != s->ox[1] ||
740 s->iy[1] != s->oy[1])) ||
741 !((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) &
742 (s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1))
743 fprintf(stderr, "%s: Illegal input/output window positions\n",
746 blizzard_transfer_setup(s);
749 case 0x90: /* Display Memory Data Port */
750 if (!s->data.len && !blizzard_transfer_setup(s))
753 *s->data.ptr ++ = value;
754 if (-- s->data.len == 0)
758 case 0xa8: /* Border Color 0 */
761 case 0xaa: /* Border Color 1 */
764 case 0xac: /* Border Color 2 */
768 case 0xb4: /* Gamma Correction Enable */
769 s->gamma_config = value & 0x87;
771 case 0xb6: /* Gamma Correction Table Index */
772 s->gamma_idx = value;
774 case 0xb8: /* Gamma Correction Table Data */
775 s->gamma_lut[s->gamma_idx ++] = value;
778 case 0xba: /* 3x3 Matrix Enable */
779 s->matrix_ena = value & 1;
781 case 0xbc ... 0xde: /* Coefficient Registers */
782 s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff);
784 case 0xe0: /* 3x3 Matrix Red Offset */
787 case 0xe2: /* 3x3 Matrix Green Offset */
790 case 0xe4: /* 3x3 Matrix Blue Offset */
794 case 0xe6: /* Power-save */
795 s->pm = value & 0x83;
796 if (value & s->mode & 1)
797 fprintf(stderr, "%s: The display must be disabled before entering "
798 "Standby Mode\n", __FUNCTION__);
800 case 0xe8: /* Non-display Period Control / Status */
801 s->status = value & 0x1b;
803 case 0xea: /* RGB Interface Control */
804 s->rgbgpio_dir = value & 0x8f;
806 case 0xec: /* RGB Interface Status */
807 s->rgbgpio = value & 0xcf;
809 case 0xee: /* General-purpose IO Pins Configuration */
812 case 0xf0: /* General-purpose IO Pins Status / Control */
815 case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
816 s->gpio_edge[0] = value;
818 case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
819 s->gpio_edge[1] = value;
821 case 0xf6: /* GPIO Interrupt Status */
822 s->gpio_irq &= value;
824 case 0xf8: /* GPIO Pull-down Control */
825 s->gpio_pdown = value;
829 fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
834 uint16_t s1d13745_read(void *opaque, int dc)
836 struct blizzard_s *s = (struct blizzard_s *) opaque;
837 uint16_t value = blizzard_reg_read(s, s->reg);
839 if (s->swallow -- > 0)
847 void s1d13745_write(void *opaque, int dc, uint16_t value)
849 struct blizzard_s *s = (struct blizzard_s *) opaque;
851 if (s->swallow -- > 0)
854 blizzard_reg_write(s, s->reg, value);
856 if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8)
859 s->reg = value & 0xff;
862 void s1d13745_write_block(void *opaque, int dc,
863 void *buf, size_t len, int pitch)
865 struct blizzard_s *s = (struct blizzard_s *) opaque;
868 if (s->reg == 0x90 && dc &&
869 (s->data.len || blizzard_transfer_setup(s)) &&
870 len >= (s->data.len << 1)) {
871 len -= s->data.len << 1;
875 s->data.pitch = pitch;
877 s->data.data = s->data.buf;
881 s1d13745_write(opaque, dc, *(uint16_t *) buf);
889 static void blizzard_update_display(void *opaque)
891 struct blizzard_s *s = (struct blizzard_s *) opaque;
892 int y, bypp, bypl, bwidth;
898 if (s->x != ds_get_width(s->state) || s->y != ds_get_height(s->state)) {
900 qemu_console_resize(s->console, s->x, s->y);
907 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
908 memset(ds_get_data(s->state), 0, bypp * s->x * s->y);
918 if (s->mx[1] <= s->mx[0])
921 bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
923 bwidth = bypp * (s->mx[1] - s->mx[0]);
925 src = s->fb + bypl * y + bypp * s->mx[0];
926 dst = ds_get_data(s->state) + bypl * y + bypp * s->mx[0];
927 for (; y < s->my[1]; y ++, src += bypl, dst += bypl)
928 memcpy(dst, src, bwidth);
930 dpy_update(s->state, s->mx[0], s->my[0],
931 s->mx[1] - s->mx[0], y - s->my[0]);
939 static void blizzard_screen_dump(void *opaque, const char *filename) {
940 struct blizzard_s *s = (struct blizzard_s *) opaque;
942 blizzard_update_display(opaque);
943 if (s && ds_get_data(s->state))
944 ppm_save(filename, ds_get_data(s->state), s->x, s->y, ds_get_linesize(s->state));
948 #include "blizzard_template.h"
950 #include "blizzard_template.h"
952 #include "blizzard_template.h"
954 #include "blizzard_template.h"
956 #include "blizzard_template.h"
958 void *s1d13745_init(qemu_irq gpio_int, DisplayState *ds)
960 struct blizzard_s *s = (struct blizzard_s *) qemu_mallocz(sizeof(*s));
963 s->fb = qemu_malloc(0x180000);
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__);
997 s->console = graphic_console_init(s->state, blizzard_update_display,
998 blizzard_invalidate_display,
999 blizzard_screen_dump, NULL, s);