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-rw-r--r--hw/blizzard.c1004
1 files changed, 0 insertions, 1004 deletions
diff --git a/hw/blizzard.c b/hw/blizzard.c
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--- a/hw/blizzard.c
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@@ -1,1004 +0,0 @@
-/*
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu-common.h"
-#include "ui/console.h"
-#include "hw/arm/devices.h"
-#include "hw/vga_int.h"
-#include "ui/pixel_ops.h"
-
-typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);
-
-typedef struct {
- 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;
- QemuConsole *con;
- 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;
-} BlizzardState;
-
-/* 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(BlizzardState *s)
-{
- DisplaySurface *surface = qemu_console_surface(s->con);
- 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] = surface_bytes_per_pixel(surface);
- 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(BlizzardState *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 = g_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(BlizzardState *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) {
- BlizzardState *s = (BlizzardState *) opaque;
-
- s->invalidate = 1;
-}
-
-static uint16_t blizzard_reg_read(void *opaque, uint8_t reg)
-{
- BlizzardState *s = (BlizzardState *) 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)
-{
- BlizzardState *s = (BlizzardState *) 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)
-{
- BlizzardState *s = (BlizzardState *) 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)
-{
- BlizzardState *s = (BlizzardState *) 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)
-{
- BlizzardState *s = (BlizzardState *) 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;
- }
-}
-
-static void blizzard_update_display(void *opaque)
-{
- BlizzardState *s = (BlizzardState *) opaque;
- DisplaySurface *surface = qemu_console_surface(s->con);
- int y, bypp, bypl, bwidth;
- uint8_t *src, *dst;
-
- if (!s->enable)
- return;
-
- if (s->x != surface_width(surface) || s->y != surface_height(surface)) {
- s->invalidate = 1;
- qemu_console_resize(s->con, s->x, s->y);
- surface = qemu_console_surface(s->con);
- }
-
- if (s->invalidate) {
- s->invalidate = 0;
-
- if (s->blank) {
- bypp = surface_bytes_per_pixel(surface);
- memset(surface_data(surface), 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 = surface_bytes_per_pixel(surface);
- 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 = surface_data(surface) + bypl * y + bypp * s->mx[0];
- for (; y < s->my[1]; y ++, src += bypl, dst += bypl)
- memcpy(dst, src, bwidth);
-
- dpy_gfx_update(s->con, 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,
- bool cswitch, Error **errp)
-{
- BlizzardState *s = (BlizzardState *) opaque;
- DisplaySurface *surface = qemu_console_surface(s->con);
-
- blizzard_update_display(opaque);
- if (s && surface_data(surface)) {
- ppm_save(filename, surface, errp);
- }
-}
-
-#define DEPTH 8
-#include "hw/blizzard_template.h"
-#define DEPTH 15
-#include "hw/blizzard_template.h"
-#define DEPTH 16
-#include "hw/blizzard_template.h"
-#define DEPTH 24
-#include "hw/blizzard_template.h"
-#define DEPTH 32
-#include "hw/blizzard_template.h"
-
-void *s1d13745_init(qemu_irq gpio_int)
-{
- BlizzardState *s = (BlizzardState *) g_malloc0(sizeof(*s));
- DisplaySurface *surface;
-
- s->fb = g_malloc(0x180000);
-
- s->con = graphic_console_init(blizzard_update_display,
- blizzard_invalidate_display,
- blizzard_screen_dump, NULL, s);
- surface = qemu_console_surface(s->con);
-
- switch (surface_bits_per_pixel(surface)) {
- case 0:
- s->line_fn_tab[0] = s->line_fn_tab[1] =
- g_malloc0(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);
-
- return s;
-}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-28 09:42:40 +0000