--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/blizzard.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1001 @@
+/*
+ * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller.
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "qemu-common.h"
+#include "sysemu.h"
+#include "console.h"
+#include "devices.h"
+#include "vga_int.h"
+#include "pixel_ops.h"
+
+typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);
+
+struct blizzard_s {
+ uint8_t reg;
+ uint32_t addr;
+ int swallow;
+
+ int pll;
+ int pll_range;
+ int pll_ctrl;
+ uint8_t pll_mode;
+ uint8_t clksel;
+ int memenable;
+ int memrefresh;
+ uint8_t timing[3];
+ int priority;
+
+ uint8_t lcd_config;
+ int x;
+ int y;
+ int skipx;
+ int skipy;
+ uint8_t hndp;
+ uint8_t vndp;
+ uint8_t hsync;
+ uint8_t vsync;
+ uint8_t pclk;
+ uint8_t u;
+ uint8_t v;
+ uint8_t yrc[2];
+ int ix[2];
+ int iy[2];
+ int ox[2];
+ int oy[2];
+
+ int enable;
+ int blank;
+ int bpp;
+ int invalidate;
+ int mx[2];
+ int my[2];
+ uint8_t mode;
+ uint8_t effect;
+ uint8_t iformat;
+ uint8_t source;
+ DisplayState *state;
+ blizzard_fn_t *line_fn_tab[2];
+ void *fb;
+
+ uint8_t hssi_config[3];
+ uint8_t tv_config;
+ uint8_t tv_timing[4];
+ uint8_t vbi;
+ uint8_t tv_x;
+ uint8_t tv_y;
+ uint8_t tv_test;
+ uint8_t tv_filter_config;
+ uint8_t tv_filter_idx;
+ uint8_t tv_filter_coeff[0x20];
+ uint8_t border_r;
+ uint8_t border_g;
+ uint8_t border_b;
+ uint8_t gamma_config;
+ uint8_t gamma_idx;
+ uint8_t gamma_lut[0x100];
+ uint8_t matrix_ena;
+ uint8_t matrix_coeff[0x12];
+ uint8_t matrix_r;
+ uint8_t matrix_g;
+ uint8_t matrix_b;
+ uint8_t pm;
+ uint8_t status;
+ uint8_t rgbgpio_dir;
+ uint8_t rgbgpio;
+ uint8_t gpio_dir;
+ uint8_t gpio;
+ uint8_t gpio_edge[2];
+ uint8_t gpio_irq;
+ uint8_t gpio_pdown;
+
+ struct {
+ int x;
+ int y;
+ int dx;
+ int dy;
+ int len;
+ int buflen;
+ void *buf;
+ void *data;
+ uint16_t *ptr;
+ int angle;
+ int pitch;
+ blizzard_fn_t line_fn;
+ } data;
+};
+
+/* Bytes(!) per pixel */
+static const int blizzard_iformat_bpp[0x10] = {
+ 0,
+ 2, /* RGB 5:6:5*/
+ 3, /* RGB 6:6:6 mode 1 */
+ 3, /* RGB 8:8:8 mode 1 */
+ 0, 0,
+ 4, /* RGB 6:6:6 mode 2 */
+ 4, /* RGB 8:8:8 mode 2 */
+ 0, /* YUV 4:2:2 */
+ 0, /* YUV 4:2:0 */
+ 0, 0, 0, 0, 0, 0,
+};
+
+static inline void blizzard_rgb2yuv(int r, int g, int b,
+ int *y, int *u, int *v)
+{
+ *y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13);
+ *u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13);
+ *v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13);
+}
+
+static void blizzard_window(struct blizzard_s *s)
+{
+ uint8_t *src, *dst;
+ int bypp[2];
+ int bypl[3];
+ int y;
+ blizzard_fn_t fn = s->data.line_fn;
+
+ if (!fn)
+ return;
+ if (s->mx[0] > s->data.x)
+ s->mx[0] = s->data.x;
+ if (s->my[0] > s->data.y)
+ s->my[0] = s->data.y;
+ if (s->mx[1] < s->data.x + s->data.dx)
+ s->mx[1] = s->data.x + s->data.dx;
+ if (s->my[1] < s->data.y + s->data.dy)
+ s->my[1] = s->data.y + s->data.dy;
+
+ bypp[0] = s->bpp;
+ bypp[1] = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
+ bypl[0] = bypp[0] * s->data.pitch;
+ bypl[1] = bypp[1] * s->x;
+ bypl[2] = bypp[0] * s->data.dx;
+
+ src = s->data.data;
+ dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x;
+ for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1])
+ fn(dst, src, bypl[2]);
+}
+
+static int blizzard_transfer_setup(struct blizzard_s *s)
+{
+ if (s->source > 3 || !s->bpp ||
+ s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0])
+ return 0;
+
+ s->data.angle = s->effect & 3;
+ s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat];
+ s->data.x = s->ix[0];
+ s->data.y = s->iy[0];
+ s->data.dx = s->ix[1] - s->ix[0] + 1;
+ s->data.dy = s->iy[1] - s->iy[0] + 1;
+ s->data.len = s->bpp * s->data.dx * s->data.dy;
+ s->data.pitch = s->data.dx;
+ if (s->data.len > s->data.buflen) {
+ s->data.buf = qemu_realloc(s->data.buf, s->data.len);
+ s->data.buflen = s->data.len;
+ }
+ s->data.ptr = s->data.buf;
+ s->data.data = s->data.buf;
+ s->data.len /= 2;
+ return 1;
+}
+
+static void blizzard_reset(struct blizzard_s *s)
+{
+ s->reg = 0;
+ s->swallow = 0;
+
+ s->pll = 9;
+ s->pll_range = 1;
+ s->pll_ctrl = 0x14;
+ s->pll_mode = 0x32;
+ s->clksel = 0x00;
+ s->memenable = 0;
+ s->memrefresh = 0x25c;
+ s->timing[0] = 0x3f;
+ s->timing[1] = 0x13;
+ s->timing[2] = 0x21;
+ s->priority = 0;
+
+ s->lcd_config = 0x74;
+ s->x = 8;
+ s->y = 1;
+ s->skipx = 0;
+ s->skipy = 0;
+ s->hndp = 3;
+ s->vndp = 2;
+ s->hsync = 1;
+ s->vsync = 1;
+ s->pclk = 0x80;
+
+ s->ix[0] = 0;
+ s->ix[1] = 0;
+ s->iy[0] = 0;
+ s->iy[1] = 0;
+ s->ox[0] = 0;
+ s->ox[1] = 0;
+ s->oy[0] = 0;
+ s->oy[1] = 0;
+
+ s->yrc[0] = 0x00;
+ s->yrc[1] = 0x30;
+ s->u = 0;
+ s->v = 0;
+
+ s->iformat = 3;
+ s->source = 0;
+ s->bpp = blizzard_iformat_bpp[s->iformat];
+
+ s->hssi_config[0] = 0x00;
+ s->hssi_config[1] = 0x00;
+ s->hssi_config[2] = 0x01;
+ s->tv_config = 0x00;
+ s->tv_timing[0] = 0x00;
+ s->tv_timing[1] = 0x00;
+ s->tv_timing[2] = 0x00;
+ s->tv_timing[3] = 0x00;
+ s->vbi = 0x10;
+ s->tv_x = 0x14;
+ s->tv_y = 0x03;
+ s->tv_test = 0x00;
+ s->tv_filter_config = 0x80;
+ s->tv_filter_idx = 0x00;
+ s->border_r = 0x10;
+ s->border_g = 0x80;
+ s->border_b = 0x80;
+ s->gamma_config = 0x00;
+ s->gamma_idx = 0x00;
+ s->matrix_ena = 0x00;
+ memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff));
+ s->matrix_r = 0x00;
+ s->matrix_g = 0x00;
+ s->matrix_b = 0x00;
+ s->pm = 0x02;
+ s->status = 0x00;
+ s->rgbgpio_dir = 0x00;
+ s->gpio_dir = 0x00;
+ s->gpio_edge[0] = 0x00;
+ s->gpio_edge[1] = 0x00;
+ s->gpio_irq = 0x00;
+ s->gpio_pdown = 0xff;
+}
+
+static inline void blizzard_invalidate_display(void *opaque) {
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ s->invalidate = 1;
+}
+
+static uint16_t blizzard_reg_read(void *opaque, uint8_t reg)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ switch (reg) {
+ case 0x00: /* Revision Code */
+ return 0xa5;
+
+ case 0x02: /* Configuration Readback */
+ return 0x83; /* Macrovision OK, CNF[2:0] = 3 */
+
+ case 0x04: /* PLL M-Divider */
+ return (s->pll - 1) | (1 << 7);
+ case 0x06: /* PLL Lock Range Control */
+ return s->pll_range;
+ case 0x08: /* PLL Lock Synthesis Control 0 */
+ return s->pll_ctrl & 0xff;
+ case 0x0a: /* PLL Lock Synthesis Control 1 */
+ return s->pll_ctrl >> 8;
+ case 0x0c: /* PLL Mode Control 0 */
+ return s->pll_mode;
+
+ case 0x0e: /* Clock-Source Select */
+ return s->clksel;
+
+ case 0x10: /* Memory Controller Activate */
+ case 0x14: /* Memory Controller Bank 0 Status Flag */
+ return s->memenable;
+
+ case 0x18: /* Auto-Refresh Interval Setting 0 */
+ return s->memrefresh & 0xff;
+ case 0x1a: /* Auto-Refresh Interval Setting 1 */
+ return s->memrefresh >> 8;
+
+ case 0x1c: /* Power-On Sequence Timing Control */
+ return s->timing[0];
+ case 0x1e: /* Timing Control 0 */
+ return s->timing[1];
+ case 0x20: /* Timing Control 1 */
+ return s->timing[2];
+
+ case 0x24: /* Arbitration Priority Control */
+ return s->priority;
+
+ case 0x28: /* LCD Panel Configuration */
+ return s->lcd_config;
+
+ case 0x2a: /* LCD Horizontal Display Width */
+ return s->x >> 3;
+ case 0x2c: /* LCD Horizontal Non-display Period */
+ return s->hndp;
+ case 0x2e: /* LCD Vertical Display Height 0 */
+ return s->y & 0xff;
+ case 0x30: /* LCD Vertical Display Height 1 */
+ return s->y >> 8;
+ case 0x32: /* LCD Vertical Non-display Period */
+ return s->vndp;
+ case 0x34: /* LCD HS Pulse-width */
+ return s->hsync;
+ case 0x36: /* LCd HS Pulse Start Position */
+ return s->skipx >> 3;
+ case 0x38: /* LCD VS Pulse-width */
+ return s->vsync;
+ case 0x3a: /* LCD VS Pulse Start Position */
+ return s->skipy;
+
+ case 0x3c: /* PCLK Polarity */
+ return s->pclk;
+
+ case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
+ return s->hssi_config[0];
+ case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
+ return s->hssi_config[1];
+ case 0x42: /* High-speed Serial Interface Tx Mode */
+ return s->hssi_config[2];
+ case 0x44: /* TV Display Configuration */
+ return s->tv_config;
+ case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */
+ return s->tv_timing[(reg - 0x46) >> 1];
+ case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
+ return s->vbi;
+ case 0x50: /* TV Horizontal Start Position */
+ return s->tv_x;
+ case 0x52: /* TV Vertical Start Position */
+ return s->tv_y;
+ case 0x54: /* TV Test Pattern Setting */
+ return s->tv_test;
+ case 0x56: /* TV Filter Setting */
+ return s->tv_filter_config;
+ case 0x58: /* TV Filter Coefficient Index */
+ return s->tv_filter_idx;
+ case 0x5a: /* TV Filter Coefficient Data */
+ if (s->tv_filter_idx < 0x20)
+ return s->tv_filter_coeff[s->tv_filter_idx ++];
+ return 0;
+
+ case 0x60: /* Input YUV/RGB Translate Mode 0 */
+ return s->yrc[0];
+ case 0x62: /* Input YUV/RGB Translate Mode 1 */
+ return s->yrc[1];
+ case 0x64: /* U Data Fix */
+ return s->u;
+ case 0x66: /* V Data Fix */
+ return s->v;
+
+ case 0x68: /* Display Mode */
+ return s->mode;
+
+ case 0x6a: /* Special Effects */
+ return s->effect;
+
+ case 0x6c: /* Input Window X Start Position 0 */
+ return s->ix[0] & 0xff;
+ case 0x6e: /* Input Window X Start Position 1 */
+ return s->ix[0] >> 3;
+ case 0x70: /* Input Window Y Start Position 0 */
+ return s->ix[0] & 0xff;
+ case 0x72: /* Input Window Y Start Position 1 */
+ return s->ix[0] >> 3;
+ case 0x74: /* Input Window X End Position 0 */
+ return s->ix[1] & 0xff;
+ case 0x76: /* Input Window X End Position 1 */
+ return s->ix[1] >> 3;
+ case 0x78: /* Input Window Y End Position 0 */
+ return s->ix[1] & 0xff;
+ case 0x7a: /* Input Window Y End Position 1 */
+ return s->ix[1] >> 3;
+ case 0x7c: /* Output Window X Start Position 0 */
+ return s->ox[0] & 0xff;
+ case 0x7e: /* Output Window X Start Position 1 */
+ return s->ox[0] >> 3;
+ case 0x80: /* Output Window Y Start Position 0 */
+ return s->oy[0] & 0xff;
+ case 0x82: /* Output Window Y Start Position 1 */
+ return s->oy[0] >> 3;
+ case 0x84: /* Output Window X End Position 0 */
+ return s->ox[1] & 0xff;
+ case 0x86: /* Output Window X End Position 1 */
+ return s->ox[1] >> 3;
+ case 0x88: /* Output Window Y End Position 0 */
+ return s->oy[1] & 0xff;
+ case 0x8a: /* Output Window Y End Position 1 */
+ return s->oy[1] >> 3;
+
+ case 0x8c: /* Input Data Format */
+ return s->iformat;
+ case 0x8e: /* Data Source Select */
+ return s->source;
+ case 0x90: /* Display Memory Data Port */
+ return 0;
+
+ case 0xa8: /* Border Color 0 */
+ return s->border_r;
+ case 0xaa: /* Border Color 1 */
+ return s->border_g;
+ case 0xac: /* Border Color 2 */
+ return s->border_b;
+
+ case 0xb4: /* Gamma Correction Enable */
+ return s->gamma_config;
+ case 0xb6: /* Gamma Correction Table Index */
+ return s->gamma_idx;
+ case 0xb8: /* Gamma Correction Table Data */
+ return s->gamma_lut[s->gamma_idx ++];
+
+ case 0xba: /* 3x3 Matrix Enable */
+ return s->matrix_ena;
+ case 0xbc ... 0xde: /* Coefficient Registers */
+ return s->matrix_coeff[(reg - 0xbc) >> 1];
+ case 0xe0: /* 3x3 Matrix Red Offset */
+ return s->matrix_r;
+ case 0xe2: /* 3x3 Matrix Green Offset */
+ return s->matrix_g;
+ case 0xe4: /* 3x3 Matrix Blue Offset */
+ return s->matrix_b;
+
+ case 0xe6: /* Power-save */
+ return s->pm;
+ case 0xe8: /* Non-display Period Control / Status */
+ return s->status | (1 << 5);
+ case 0xea: /* RGB Interface Control */
+ return s->rgbgpio_dir;
+ case 0xec: /* RGB Interface Status */
+ return s->rgbgpio;
+ case 0xee: /* General-purpose IO Pins Configuration */
+ return s->gpio_dir;
+ case 0xf0: /* General-purpose IO Pins Status / Control */
+ return s->gpio;
+ case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
+ return s->gpio_edge[0];
+ case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
+ return s->gpio_edge[1];
+ case 0xf6: /* GPIO Interrupt Status */
+ return s->gpio_irq;
+ case 0xf8: /* GPIO Pull-down Control */
+ return s->gpio_pdown;
+
+ default:
+ fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
+ return 0;
+ }
+}
+
+static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ switch (reg) {
+ case 0x04: /* PLL M-Divider */
+ s->pll = (value & 0x3f) + 1;
+ break;
+ case 0x06: /* PLL Lock Range Control */
+ s->pll_range = value & 3;
+ break;
+ case 0x08: /* PLL Lock Synthesis Control 0 */
+ s->pll_ctrl &= 0xf00;
+ s->pll_ctrl |= (value << 0) & 0x0ff;
+ break;
+ case 0x0a: /* PLL Lock Synthesis Control 1 */
+ s->pll_ctrl &= 0x0ff;
+ s->pll_ctrl |= (value << 8) & 0xf00;
+ break;
+ case 0x0c: /* PLL Mode Control 0 */
+ s->pll_mode = value & 0x77;
+ if ((value & 3) == 0 || (value & 3) == 3)
+ fprintf(stderr, "%s: wrong PLL Control bits (%i)\n",
+ __FUNCTION__, value & 3);
+ break;
+
+ case 0x0e: /* Clock-Source Select */
+ s->clksel = value & 0xff;
+ break;
+
+ case 0x10: /* Memory Controller Activate */
+ s->memenable = value & 1;
+ break;
+ case 0x14: /* Memory Controller Bank 0 Status Flag */
+ break;
+
+ case 0x18: /* Auto-Refresh Interval Setting 0 */
+ s->memrefresh &= 0xf00;
+ s->memrefresh |= (value << 0) & 0x0ff;
+ break;
+ case 0x1a: /* Auto-Refresh Interval Setting 1 */
+ s->memrefresh &= 0x0ff;
+ s->memrefresh |= (value << 8) & 0xf00;
+ break;
+
+ case 0x1c: /* Power-On Sequence Timing Control */
+ s->timing[0] = value & 0x7f;
+ break;
+ case 0x1e: /* Timing Control 0 */
+ s->timing[1] = value & 0x17;
+ break;
+ case 0x20: /* Timing Control 1 */
+ s->timing[2] = value & 0x35;
+ break;
+
+ case 0x24: /* Arbitration Priority Control */
+ s->priority = value & 1;
+ break;
+
+ case 0x28: /* LCD Panel Configuration */
+ s->lcd_config = value & 0xff;
+ if (value & (1 << 7))
+ fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__);
+ break;
+
+ case 0x2a: /* LCD Horizontal Display Width */
+ s->x = value << 3;
+ break;
+ case 0x2c: /* LCD Horizontal Non-display Period */
+ s->hndp = value & 0xff;
+ break;
+ case 0x2e: /* LCD Vertical Display Height 0 */
+ s->y &= 0x300;
+ s->y |= (value << 0) & 0x0ff;
+ break;
+ case 0x30: /* LCD Vertical Display Height 1 */
+ s->y &= 0x0ff;
+ s->y |= (value << 8) & 0x300;
+ break;
+ case 0x32: /* LCD Vertical Non-display Period */
+ s->vndp = value & 0xff;
+ break;
+ case 0x34: /* LCD HS Pulse-width */
+ s->hsync = value & 0xff;
+ break;
+ case 0x36: /* LCD HS Pulse Start Position */
+ s->skipx = value & 0xff;
+ break;
+ case 0x38: /* LCD VS Pulse-width */
+ s->vsync = value & 0xbf;
+ break;
+ case 0x3a: /* LCD VS Pulse Start Position */
+ s->skipy = value & 0xff;
+ break;
+
+ case 0x3c: /* PCLK Polarity */
+ s->pclk = value & 0x82;
+ /* Affects calculation of s->hndp, s->hsync and s->skipx. */
+ break;
+
+ case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */
+ s->hssi_config[0] = value;
+ break;
+ case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */
+ s->hssi_config[1] = value;
+ if (((value >> 4) & 3) == 3)
+ fprintf(stderr, "%s: Illegal active-data-links value\n",
+ __FUNCTION__);
+ break;
+ case 0x42: /* High-speed Serial Interface Tx Mode */
+ s->hssi_config[2] = value & 0xbd;
+ break;
+
+ case 0x44: /* TV Display Configuration */
+ s->tv_config = value & 0xfe;
+ break;
+ case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */
+ s->tv_timing[(reg - 0x46) >> 1] = value;
+ break;
+ case 0x4e: /* VBI: Closed Caption / XDS Control / Status */
+ s->vbi = value;
+ break;
+ case 0x50: /* TV Horizontal Start Position */
+ s->tv_x = value;
+ break;
+ case 0x52: /* TV Vertical Start Position */
+ s->tv_y = value & 0x7f;
+ break;
+ case 0x54: /* TV Test Pattern Setting */
+ s->tv_test = value;
+ break;
+ case 0x56: /* TV Filter Setting */
+ s->tv_filter_config = value & 0xbf;
+ break;
+ case 0x58: /* TV Filter Coefficient Index */
+ s->tv_filter_idx = value & 0x1f;
+ break;
+ case 0x5a: /* TV Filter Coefficient Data */
+ if (s->tv_filter_idx < 0x20)
+ s->tv_filter_coeff[s->tv_filter_idx ++] = value;
+ break;
+
+ case 0x60: /* Input YUV/RGB Translate Mode 0 */
+ s->yrc[0] = value & 0xb0;
+ break;
+ case 0x62: /* Input YUV/RGB Translate Mode 1 */
+ s->yrc[1] = value & 0x30;
+ break;
+ case 0x64: /* U Data Fix */
+ s->u = value & 0xff;
+ break;
+ case 0x66: /* V Data Fix */
+ s->v = value & 0xff;
+ break;
+
+ case 0x68: /* Display Mode */
+ if ((s->mode ^ value) & 3)
+ s->invalidate = 1;
+ s->mode = value & 0xb7;
+ s->enable = value & 1;
+ s->blank = (value >> 1) & 1;
+ if (value & (1 << 4))
+ fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__);
+ break;
+
+ case 0x6a: /* Special Effects */
+ s->effect = value & 0xfb;
+ break;
+
+ case 0x6c: /* Input Window X Start Position 0 */
+ s->ix[0] &= 0x300;
+ s->ix[0] |= (value << 0) & 0x0ff;
+ break;
+ case 0x6e: /* Input Window X Start Position 1 */
+ s->ix[0] &= 0x0ff;
+ s->ix[0] |= (value << 8) & 0x300;
+ break;
+ case 0x70: /* Input Window Y Start Position 0 */
+ s->iy[0] &= 0x300;
+ s->iy[0] |= (value << 0) & 0x0ff;
+ break;
+ case 0x72: /* Input Window Y Start Position 1 */
+ s->iy[0] &= 0x0ff;
+ s->iy[0] |= (value << 8) & 0x300;
+ break;
+ case 0x74: /* Input Window X End Position 0 */
+ s->ix[1] &= 0x300;
+ s->ix[1] |= (value << 0) & 0x0ff;
+ break;
+ case 0x76: /* Input Window X End Position 1 */
+ s->ix[1] &= 0x0ff;
+ s->ix[1] |= (value << 8) & 0x300;
+ break;
+ case 0x78: /* Input Window Y End Position 0 */
+ s->iy[1] &= 0x300;
+ s->iy[1] |= (value << 0) & 0x0ff;
+ break;
+ case 0x7a: /* Input Window Y End Position 1 */
+ s->iy[1] &= 0x0ff;
+ s->iy[1] |= (value << 8) & 0x300;
+ break;
+ case 0x7c: /* Output Window X Start Position 0 */
+ s->ox[0] &= 0x300;
+ s->ox[0] |= (value << 0) & 0x0ff;
+ break;
+ case 0x7e: /* Output Window X Start Position 1 */
+ s->ox[0] &= 0x0ff;
+ s->ox[0] |= (value << 8) & 0x300;
+ break;
+ case 0x80: /* Output Window Y Start Position 0 */
+ s->oy[0] &= 0x300;
+ s->oy[0] |= (value << 0) & 0x0ff;
+ break;
+ case 0x82: /* Output Window Y Start Position 1 */
+ s->oy[0] &= 0x0ff;
+ s->oy[0] |= (value << 8) & 0x300;
+ break;
+ case 0x84: /* Output Window X End Position 0 */
+ s->ox[1] &= 0x300;
+ s->ox[1] |= (value << 0) & 0x0ff;
+ break;
+ case 0x86: /* Output Window X End Position 1 */
+ s->ox[1] &= 0x0ff;
+ s->ox[1] |= (value << 8) & 0x300;
+ break;
+ case 0x88: /* Output Window Y End Position 0 */
+ s->oy[1] &= 0x300;
+ s->oy[1] |= (value << 0) & 0x0ff;
+ break;
+ case 0x8a: /* Output Window Y End Position 1 */
+ s->oy[1] &= 0x0ff;
+ s->oy[1] |= (value << 8) & 0x300;
+ break;
+
+ case 0x8c: /* Input Data Format */
+ s->iformat = value & 0xf;
+ s->bpp = blizzard_iformat_bpp[s->iformat];
+ if (!s->bpp)
+ fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
+ __FUNCTION__, s->iformat);
+ break;
+ case 0x8e: /* Data Source Select */
+ s->source = value & 7;
+ /* Currently all windows will be "destructive overlays". */
+ if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] ||
+ s->iy[0] != s->oy[0] ||
+ s->ix[1] != s->ox[1] ||
+ s->iy[1] != s->oy[1])) ||
+ !((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) &
+ (s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1))
+ fprintf(stderr, "%s: Illegal input/output window positions\n",
+ __FUNCTION__);
+
+ blizzard_transfer_setup(s);
+ break;
+
+ case 0x90: /* Display Memory Data Port */
+ if (!s->data.len && !blizzard_transfer_setup(s))
+ break;
+
+ *s->data.ptr ++ = value;
+ if (-- s->data.len == 0)
+ blizzard_window(s);
+ break;
+
+ case 0xa8: /* Border Color 0 */
+ s->border_r = value;
+ break;
+ case 0xaa: /* Border Color 1 */
+ s->border_g = value;
+ break;
+ case 0xac: /* Border Color 2 */
+ s->border_b = value;
+ break;
+
+ case 0xb4: /* Gamma Correction Enable */
+ s->gamma_config = value & 0x87;
+ break;
+ case 0xb6: /* Gamma Correction Table Index */
+ s->gamma_idx = value;
+ break;
+ case 0xb8: /* Gamma Correction Table Data */
+ s->gamma_lut[s->gamma_idx ++] = value;
+ break;
+
+ case 0xba: /* 3x3 Matrix Enable */
+ s->matrix_ena = value & 1;
+ break;
+ case 0xbc ... 0xde: /* Coefficient Registers */
+ s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff);
+ break;
+ case 0xe0: /* 3x3 Matrix Red Offset */
+ s->matrix_r = value;
+ break;
+ case 0xe2: /* 3x3 Matrix Green Offset */
+ s->matrix_g = value;
+ break;
+ case 0xe4: /* 3x3 Matrix Blue Offset */
+ s->matrix_b = value;
+ break;
+
+ case 0xe6: /* Power-save */
+ s->pm = value & 0x83;
+ if (value & s->mode & 1)
+ fprintf(stderr, "%s: The display must be disabled before entering "
+ "Standby Mode\n", __FUNCTION__);
+ break;
+ case 0xe8: /* Non-display Period Control / Status */
+ s->status = value & 0x1b;
+ break;
+ case 0xea: /* RGB Interface Control */
+ s->rgbgpio_dir = value & 0x8f;
+ break;
+ case 0xec: /* RGB Interface Status */
+ s->rgbgpio = value & 0xcf;
+ break;
+ case 0xee: /* General-purpose IO Pins Configuration */
+ s->gpio_dir = value;
+ break;
+ case 0xf0: /* General-purpose IO Pins Status / Control */
+ s->gpio = value;
+ break;
+ case 0xf2: /* GPIO Positive Edge Interrupt Trigger */
+ s->gpio_edge[0] = value;
+ break;
+ case 0xf4: /* GPIO Negative Edge Interrupt Trigger */
+ s->gpio_edge[1] = value;
+ break;
+ case 0xf6: /* GPIO Interrupt Status */
+ s->gpio_irq &= value;
+ break;
+ case 0xf8: /* GPIO Pull-down Control */
+ s->gpio_pdown = value;
+ break;
+
+ default:
+ fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
+ break;
+ }
+}
+
+uint16_t s1d13745_read(void *opaque, int dc)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+ uint16_t value = blizzard_reg_read(s, s->reg);
+
+ if (s->swallow -- > 0)
+ return 0;
+ if (dc)
+ s->reg ++;
+
+ return value;
+}
+
+void s1d13745_write(void *opaque, int dc, uint16_t value)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ if (s->swallow -- > 0)
+ return;
+ if (dc) {
+ blizzard_reg_write(s, s->reg, value);
+
+ if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8)
+ s->reg += 2;
+ } else
+ s->reg = value & 0xff;
+}
+
+void s1d13745_write_block(void *opaque, int dc,
+ void *buf, size_t len, int pitch)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ while (len > 0) {
+ if (s->reg == 0x90 && dc &&
+ (s->data.len || blizzard_transfer_setup(s)) &&
+ len >= (s->data.len << 1)) {
+ len -= s->data.len << 1;
+ s->data.len = 0;
+ s->data.data = buf;
+ if (pitch)
+ s->data.pitch = pitch;
+ blizzard_window(s);
+ s->data.data = s->data.buf;
+ continue;
+ }
+
+ s1d13745_write(opaque, dc, *(uint16_t *) buf);
+ len -= 2;
+ buf += 2;
+ }
+
+ return;
+}
+
+static void blizzard_update_display(void *opaque)
+{
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+ int y, bypp, bypl, bwidth;
+ uint8_t *src, *dst;
+
+ if (!s->enable)
+ return;
+
+ if (s->x != ds_get_width(s->state) || s->y != ds_get_height(s->state)) {
+ s->invalidate = 1;
+ gui_resize_vt(s->state, s->x, s->y);
+ }
+
+ if (s->invalidate) {
+ s->invalidate = 0;
+
+ if (s->blank) {
+ bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
+ memset(ds_get_data(s->state), 0, bypp * s->x * s->y);
+ return;
+ }
+
+ s->mx[0] = 0;
+ s->mx[1] = s->x;
+ s->my[0] = 0;
+ s->my[1] = s->y;
+ }
+
+ if (s->mx[1] <= s->mx[0])
+ return;
+
+ bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3;
+ bypl = bypp * s->x;
+ bwidth = bypp * (s->mx[1] - s->mx[0]);
+ y = s->my[0];
+ src = s->fb + bypl * y + bypp * s->mx[0];
+ dst = ds_get_data(s->state) + bypl * y + bypp * s->mx[0];
+ for (; y < s->my[1]; y ++, src += bypl, dst += bypl)
+ memcpy(dst, src, bwidth);
+
+ dpy_update(s->state, s->mx[0], s->my[0],
+ s->mx[1] - s->mx[0], y - s->my[0]);
+
+ s->mx[0] = s->x;
+ s->mx[1] = 0;
+ s->my[0] = s->y;
+ s->my[1] = 0;
+}
+
+static void blizzard_screen_dump(void *opaque, const char *filename) {
+ struct blizzard_s *s = (struct blizzard_s *) opaque;
+
+ blizzard_update_display(opaque);
+ if (s && ds_get_data(s->state))
+ ppm_save(filename, ds_get_data(s->state), s->x, s->y, ds_get_linesize(s->state));
+}
+
+#define DEPTH 8
+#include "blizzard_template.h"
+#define DEPTH 15
+#include "blizzard_template.h"
+#define DEPTH 16
+#include "blizzard_template.h"
+#define DEPTH 24
+#include "blizzard_template.h"
+#define DEPTH 32
+#include "blizzard_template.h"
+
+void *s1d13745_init(qemu_irq gpio_int, DisplayState *ds)
+{
+ struct blizzard_s *s = (struct blizzard_s *) qemu_mallocz(sizeof(*s));
+
+ s->fb = qemu_malloc(0x180000);
+
+ switch (ds_get_bits_per_pixel(s->state)) {
+ case 0:
+ s->line_fn_tab[0] = s->line_fn_tab[1] =
+ qemu_mallocz(sizeof(blizzard_fn_t) * 0x10);
+ break;
+ case 8:
+ s->line_fn_tab[0] = blizzard_draw_fn_8;
+ s->line_fn_tab[1] = blizzard_draw_fn_r_8;
+ break;
+ case 15:
+ s->line_fn_tab[0] = blizzard_draw_fn_15;
+ s->line_fn_tab[1] = blizzard_draw_fn_r_15;
+ break;
+ case 16:
+ s->line_fn_tab[0] = blizzard_draw_fn_16;
+ s->line_fn_tab[1] = blizzard_draw_fn_r_16;
+ break;
+ case 24:
+ s->line_fn_tab[0] = blizzard_draw_fn_24;
+ s->line_fn_tab[1] = blizzard_draw_fn_r_24;
+ break;
+ case 32:
+ s->line_fn_tab[0] = blizzard_draw_fn_32;
+ s->line_fn_tab[1] = blizzard_draw_fn_r_32;
+ break;
+ default:
+ fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
+ exit(1);
+ }
+
+ blizzard_reset(s);
+
+ s->state = gui_get_graphic_console(NULL,
+ blizzard_update_display,
+ blizzard_invalidate_display,
+ blizzard_screen_dump, s);
+
+ return s;
+}