root / hw / blizzard.c @ c4f31a0a
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/*
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* Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller.
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*
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* Copyright (C) 2008 Nokia Corporation
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* Written by Andrzej Zaborowski <andrew@openedhand.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "qemu-common.h" |
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#include "sysemu.h" |
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#include "console.h" |
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#include "devices.h" |
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#include "vga_int.h" |
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#include "pixel_ops.h" |
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typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int); |
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typedef struct { |
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uint8_t reg; |
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uint32_t addr; |
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int swallow;
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int pll;
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int pll_range;
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int pll_ctrl;
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uint8_t pll_mode; |
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uint8_t clksel; |
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int memenable;
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int memrefresh;
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uint8_t timing[3];
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int priority;
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uint8_t lcd_config; |
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int x;
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int y;
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int skipx;
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int skipy;
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uint8_t hndp; |
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uint8_t vndp; |
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uint8_t hsync; |
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uint8_t vsync; |
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uint8_t pclk; |
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uint8_t u; |
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uint8_t v; |
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uint8_t yrc[2];
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int ix[2]; |
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int iy[2]; |
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int ox[2]; |
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int oy[2]; |
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int enable;
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int blank;
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int bpp;
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int invalidate;
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int mx[2]; |
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int my[2]; |
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uint8_t mode; |
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uint8_t effect; |
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uint8_t iformat; |
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uint8_t source; |
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DisplayState *state; |
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blizzard_fn_t *line_fn_tab[2];
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void *fb;
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uint8_t hssi_config[3];
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uint8_t tv_config; |
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uint8_t tv_timing[4];
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uint8_t vbi; |
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uint8_t tv_x; |
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uint8_t tv_y; |
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uint8_t tv_test; |
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uint8_t tv_filter_config; |
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uint8_t tv_filter_idx; |
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uint8_t tv_filter_coeff[0x20];
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uint8_t border_r; |
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uint8_t border_g; |
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uint8_t border_b; |
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uint8_t gamma_config; |
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uint8_t gamma_idx; |
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uint8_t gamma_lut[0x100];
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uint8_t matrix_ena; |
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uint8_t matrix_coeff[0x12];
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uint8_t matrix_r; |
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uint8_t matrix_g; |
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uint8_t matrix_b; |
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uint8_t pm; |
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uint8_t status; |
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uint8_t rgbgpio_dir; |
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uint8_t rgbgpio; |
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uint8_t gpio_dir; |
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uint8_t gpio; |
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uint8_t gpio_edge[2];
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uint8_t gpio_irq; |
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uint8_t gpio_pdown; |
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struct {
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int x;
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int y;
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int dx;
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int dy;
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int len;
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int buflen;
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void *buf;
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void *data;
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uint16_t *ptr; |
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int angle;
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int pitch;
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blizzard_fn_t line_fn; |
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} data; |
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} BlizzardState; |
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|
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/* Bytes(!) per pixel */
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static const int blizzard_iformat_bpp[0x10] = { |
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0,
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2, /* RGB 5:6:5*/ |
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3, /* RGB 6:6:6 mode 1 */ |
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3, /* RGB 8:8:8 mode 1 */ |
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0, 0, |
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4, /* RGB 6:6:6 mode 2 */ |
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4, /* RGB 8:8:8 mode 2 */ |
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0, /* YUV 4:2:2 */ |
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0, /* YUV 4:2:0 */ |
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0, 0, 0, 0, 0, 0, |
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}; |
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static inline void blizzard_rgb2yuv(int r, int g, int b, |
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int *y, int *u, int *v) |
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{ |
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*y = 0x10 + ((0x838 * r + 0x1022 * g + 0x322 * b) >> 13); |
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*u = 0x80 + ((0xe0e * b - 0x04c1 * r - 0x94e * g) >> 13); |
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*v = 0x80 + ((0xe0e * r - 0x0bc7 * g - 0x247 * b) >> 13); |
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} |
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static void blizzard_window(BlizzardState *s) |
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{ |
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uint8_t *src, *dst; |
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int bypp[2]; |
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int bypl[3]; |
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int y;
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blizzard_fn_t fn = s->data.line_fn; |
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if (!fn)
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return;
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if (s->mx[0] > s->data.x) |
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s->mx[0] = s->data.x;
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if (s->my[0] > s->data.y) |
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s->my[0] = s->data.y;
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if (s->mx[1] < s->data.x + s->data.dx) |
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s->mx[1] = s->data.x + s->data.dx;
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if (s->my[1] < s->data.y + s->data.dy) |
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s->my[1] = s->data.y + s->data.dy;
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bypp[0] = s->bpp;
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bypp[1] = (ds_get_bits_per_pixel(s->state) + 7) >> 3; |
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bypl[0] = bypp[0] * s->data.pitch; |
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bypl[1] = bypp[1] * s->x; |
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bypl[2] = bypp[0] * s->data.dx; |
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src = s->data.data; |
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dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x; |
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for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1]) |
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fn(dst, src, bypl[2]);
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} |
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static int blizzard_transfer_setup(BlizzardState *s) |
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{ |
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if (s->source > 3 || !s->bpp || |
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s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0]) |
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return 0; |
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s->data.angle = s->effect & 3;
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s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat]; |
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s->data.x = s->ix[0];
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s->data.y = s->iy[0];
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s->data.dx = s->ix[1] - s->ix[0] + 1; |
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s->data.dy = s->iy[1] - s->iy[0] + 1; |
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s->data.len = s->bpp * s->data.dx * s->data.dy; |
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s->data.pitch = s->data.dx; |
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if (s->data.len > s->data.buflen) {
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s->data.buf = qemu_realloc(s->data.buf, s->data.len); |
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s->data.buflen = s->data.len; |
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} |
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s->data.ptr = s->data.buf; |
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s->data.data = s->data.buf; |
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s->data.len /= 2;
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return 1; |
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} |
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static void blizzard_reset(BlizzardState *s) |
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{ |
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s->reg = 0;
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s->swallow = 0;
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s->pll = 9;
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s->pll_range = 1;
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s->pll_ctrl = 0x14;
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s->pll_mode = 0x32;
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s->clksel = 0x00;
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s->memenable = 0;
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s->memrefresh = 0x25c;
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s->timing[0] = 0x3f; |
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s->timing[1] = 0x13; |
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s->timing[2] = 0x21; |
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s->priority = 0;
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s->lcd_config = 0x74;
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s->x = 8;
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s->y = 1;
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s->skipx = 0;
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s->skipy = 0;
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s->hndp = 3;
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s->vndp = 2;
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s->hsync = 1;
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s->vsync = 1;
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s->pclk = 0x80;
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s->ix[0] = 0; |
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s->ix[1] = 0; |
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s->iy[0] = 0; |
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s->iy[1] = 0; |
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s->ox[0] = 0; |
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s->ox[1] = 0; |
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s->oy[0] = 0; |
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s->oy[1] = 0; |
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s->yrc[0] = 0x00; |
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s->yrc[1] = 0x30; |
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s->u = 0;
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s->v = 0;
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s->iformat = 3;
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s->source = 0;
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s->bpp = blizzard_iformat_bpp[s->iformat]; |
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s->hssi_config[0] = 0x00; |
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s->hssi_config[1] = 0x00; |
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s->hssi_config[2] = 0x01; |
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s->tv_config = 0x00;
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s->tv_timing[0] = 0x00; |
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s->tv_timing[1] = 0x00; |
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s->tv_timing[2] = 0x00; |
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s->tv_timing[3] = 0x00; |
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s->vbi = 0x10;
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s->tv_x = 0x14;
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s->tv_y = 0x03;
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s->tv_test = 0x00;
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s->tv_filter_config = 0x80;
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s->tv_filter_idx = 0x00;
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s->border_r = 0x10;
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s->border_g = 0x80;
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s->border_b = 0x80;
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s->gamma_config = 0x00;
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s->gamma_idx = 0x00;
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s->matrix_ena = 0x00;
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memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff)); |
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s->matrix_r = 0x00;
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s->matrix_g = 0x00;
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s->matrix_b = 0x00;
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s->pm = 0x02;
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s->status = 0x00;
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s->rgbgpio_dir = 0x00;
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s->gpio_dir = 0x00;
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s->gpio_edge[0] = 0x00; |
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s->gpio_edge[1] = 0x00; |
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s->gpio_irq = 0x00;
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s->gpio_pdown = 0xff;
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} |
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static inline void blizzard_invalidate_display(void *opaque) { |
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BlizzardState *s = (BlizzardState *) opaque; |
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s->invalidate = 1;
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} |
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static uint16_t blizzard_reg_read(void *opaque, uint8_t reg) |
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{ |
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BlizzardState *s = (BlizzardState *) opaque; |
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switch (reg) {
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case 0x00: /* Revision Code */ |
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return 0xa5; |
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case 0x02: /* Configuration Readback */ |
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return 0x83; /* Macrovision OK, CNF[2:0] = 3 */ |
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case 0x04: /* PLL M-Divider */ |
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return (s->pll - 1) | (1 << 7); |
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case 0x06: /* PLL Lock Range Control */ |
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return s->pll_range;
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case 0x08: /* PLL Lock Synthesis Control 0 */ |
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return s->pll_ctrl & 0xff; |
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case 0x0a: /* PLL Lock Synthesis Control 1 */ |
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return s->pll_ctrl >> 8; |
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case 0x0c: /* PLL Mode Control 0 */ |
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return s->pll_mode;
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case 0x0e: /* Clock-Source Select */ |
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return s->clksel;
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case 0x10: /* Memory Controller Activate */ |
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case 0x14: /* Memory Controller Bank 0 Status Flag */ |
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return s->memenable;
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case 0x18: /* Auto-Refresh Interval Setting 0 */ |
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return s->memrefresh & 0xff; |
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case 0x1a: /* Auto-Refresh Interval Setting 1 */ |
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return s->memrefresh >> 8; |
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case 0x1c: /* Power-On Sequence Timing Control */ |
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return s->timing[0]; |
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case 0x1e: /* Timing Control 0 */ |
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return s->timing[1]; |
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case 0x20: /* Timing Control 1 */ |
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return s->timing[2]; |
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case 0x24: /* Arbitration Priority Control */ |
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return s->priority;
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case 0x28: /* LCD Panel Configuration */ |
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return s->lcd_config;
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case 0x2a: /* LCD Horizontal Display Width */ |
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return s->x >> 3; |
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case 0x2c: /* LCD Horizontal Non-display Period */ |
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return s->hndp;
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case 0x2e: /* LCD Vertical Display Height 0 */ |
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return s->y & 0xff; |
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case 0x30: /* LCD Vertical Display Height 1 */ |
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return s->y >> 8; |
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case 0x32: /* LCD Vertical Non-display Period */ |
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return s->vndp;
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case 0x34: /* LCD HS Pulse-width */ |
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return s->hsync;
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case 0x36: /* LCd HS Pulse Start Position */ |
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return s->skipx >> 3; |
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case 0x38: /* LCD VS Pulse-width */ |
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return s->vsync;
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case 0x3a: /* LCD VS Pulse Start Position */ |
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return s->skipy;
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case 0x3c: /* PCLK Polarity */ |
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return s->pclk;
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case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ |
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return s->hssi_config[0]; |
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case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ |
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return s->hssi_config[1]; |
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case 0x42: /* High-speed Serial Interface Tx Mode */ |
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return s->hssi_config[2]; |
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case 0x44: /* TV Display Configuration */ |
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return s->tv_config;
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case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */ |
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return s->tv_timing[(reg - 0x46) >> 1]; |
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case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ |
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return s->vbi;
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case 0x50: /* TV Horizontal Start Position */ |
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return s->tv_x;
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case 0x52: /* TV Vertical Start Position */ |
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return s->tv_y;
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case 0x54: /* TV Test Pattern Setting */ |
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return s->tv_test;
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case 0x56: /* TV Filter Setting */ |
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return s->tv_filter_config;
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case 0x58: /* TV Filter Coefficient Index */ |
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return s->tv_filter_idx;
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case 0x5a: /* TV Filter Coefficient Data */ |
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if (s->tv_filter_idx < 0x20) |
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return s->tv_filter_coeff[s->tv_filter_idx ++];
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return 0; |
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|
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case 0x60: /* Input YUV/RGB Translate Mode 0 */ |
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return s->yrc[0]; |
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case 0x62: /* Input YUV/RGB Translate Mode 1 */ |
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return s->yrc[1]; |
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case 0x64: /* U Data Fix */ |
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return s->u;
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case 0x66: /* V Data Fix */ |
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return s->v;
|
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|
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case 0x68: /* Display Mode */ |
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return s->mode;
|
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|
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case 0x6a: /* Special Effects */ |
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return s->effect;
|
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|
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case 0x6c: /* Input Window X Start Position 0 */ |
400 |
return s->ix[0] & 0xff; |
401 |
case 0x6e: /* Input Window X Start Position 1 */ |
402 |
return s->ix[0] >> 3; |
403 |
case 0x70: /* Input Window Y Start Position 0 */ |
404 |
return s->ix[0] & 0xff; |
405 |
case 0x72: /* Input Window Y Start Position 1 */ |
406 |
return s->ix[0] >> 3; |
407 |
case 0x74: /* Input Window X End Position 0 */ |
408 |
return s->ix[1] & 0xff; |
409 |
case 0x76: /* Input Window X End Position 1 */ |
410 |
return s->ix[1] >> 3; |
411 |
case 0x78: /* Input Window Y End Position 0 */ |
412 |
return s->ix[1] & 0xff; |
413 |
case 0x7a: /* Input Window Y End Position 1 */ |
414 |
return s->ix[1] >> 3; |
415 |
case 0x7c: /* Output Window X Start Position 0 */ |
416 |
return s->ox[0] & 0xff; |
417 |
case 0x7e: /* Output Window X Start Position 1 */ |
418 |
return s->ox[0] >> 3; |
419 |
case 0x80: /* Output Window Y Start Position 0 */ |
420 |
return s->oy[0] & 0xff; |
421 |
case 0x82: /* Output Window Y Start Position 1 */ |
422 |
return s->oy[0] >> 3; |
423 |
case 0x84: /* Output Window X End Position 0 */ |
424 |
return s->ox[1] & 0xff; |
425 |
case 0x86: /* Output Window X End Position 1 */ |
426 |
return s->ox[1] >> 3; |
427 |
case 0x88: /* Output Window Y End Position 0 */ |
428 |
return s->oy[1] & 0xff; |
429 |
case 0x8a: /* Output Window Y End Position 1 */ |
430 |
return s->oy[1] >> 3; |
431 |
|
432 |
case 0x8c: /* Input Data Format */ |
433 |
return s->iformat;
|
434 |
case 0x8e: /* Data Source Select */ |
435 |
return s->source;
|
436 |
case 0x90: /* Display Memory Data Port */ |
437 |
return 0; |
438 |
|
439 |
case 0xa8: /* Border Color 0 */ |
440 |
return s->border_r;
|
441 |
case 0xaa: /* Border Color 1 */ |
442 |
return s->border_g;
|
443 |
case 0xac: /* Border Color 2 */ |
444 |
return s->border_b;
|
445 |
|
446 |
case 0xb4: /* Gamma Correction Enable */ |
447 |
return s->gamma_config;
|
448 |
case 0xb6: /* Gamma Correction Table Index */ |
449 |
return s->gamma_idx;
|
450 |
case 0xb8: /* Gamma Correction Table Data */ |
451 |
return s->gamma_lut[s->gamma_idx ++];
|
452 |
|
453 |
case 0xba: /* 3x3 Matrix Enable */ |
454 |
return s->matrix_ena;
|
455 |
case 0xbc ... 0xde: /* Coefficient Registers */ |
456 |
return s->matrix_coeff[(reg - 0xbc) >> 1]; |
457 |
case 0xe0: /* 3x3 Matrix Red Offset */ |
458 |
return s->matrix_r;
|
459 |
case 0xe2: /* 3x3 Matrix Green Offset */ |
460 |
return s->matrix_g;
|
461 |
case 0xe4: /* 3x3 Matrix Blue Offset */ |
462 |
return s->matrix_b;
|
463 |
|
464 |
case 0xe6: /* Power-save */ |
465 |
return s->pm;
|
466 |
case 0xe8: /* Non-display Period Control / Status */ |
467 |
return s->status | (1 << 5); |
468 |
case 0xea: /* RGB Interface Control */ |
469 |
return s->rgbgpio_dir;
|
470 |
case 0xec: /* RGB Interface Status */ |
471 |
return s->rgbgpio;
|
472 |
case 0xee: /* General-purpose IO Pins Configuration */ |
473 |
return s->gpio_dir;
|
474 |
case 0xf0: /* General-purpose IO Pins Status / Control */ |
475 |
return s->gpio;
|
476 |
case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ |
477 |
return s->gpio_edge[0]; |
478 |
case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ |
479 |
return s->gpio_edge[1]; |
480 |
case 0xf6: /* GPIO Interrupt Status */ |
481 |
return s->gpio_irq;
|
482 |
case 0xf8: /* GPIO Pull-down Control */ |
483 |
return s->gpio_pdown;
|
484 |
|
485 |
default:
|
486 |
fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
|
487 |
return 0; |
488 |
} |
489 |
} |
490 |
|
491 |
static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value) |
492 |
{ |
493 |
BlizzardState *s = (BlizzardState *) opaque; |
494 |
|
495 |
switch (reg) {
|
496 |
case 0x04: /* PLL M-Divider */ |
497 |
s->pll = (value & 0x3f) + 1; |
498 |
break;
|
499 |
case 0x06: /* PLL Lock Range Control */ |
500 |
s->pll_range = value & 3;
|
501 |
break;
|
502 |
case 0x08: /* PLL Lock Synthesis Control 0 */ |
503 |
s->pll_ctrl &= 0xf00;
|
504 |
s->pll_ctrl |= (value << 0) & 0x0ff; |
505 |
break;
|
506 |
case 0x0a: /* PLL Lock Synthesis Control 1 */ |
507 |
s->pll_ctrl &= 0x0ff;
|
508 |
s->pll_ctrl |= (value << 8) & 0xf00; |
509 |
break;
|
510 |
case 0x0c: /* PLL Mode Control 0 */ |
511 |
s->pll_mode = value & 0x77;
|
512 |
if ((value & 3) == 0 || (value & 3) == 3) |
513 |
fprintf(stderr, "%s: wrong PLL Control bits (%i)\n",
|
514 |
__FUNCTION__, value & 3);
|
515 |
break;
|
516 |
|
517 |
case 0x0e: /* Clock-Source Select */ |
518 |
s->clksel = value & 0xff;
|
519 |
break;
|
520 |
|
521 |
case 0x10: /* Memory Controller Activate */ |
522 |
s->memenable = value & 1;
|
523 |
break;
|
524 |
case 0x14: /* Memory Controller Bank 0 Status Flag */ |
525 |
break;
|
526 |
|
527 |
case 0x18: /* Auto-Refresh Interval Setting 0 */ |
528 |
s->memrefresh &= 0xf00;
|
529 |
s->memrefresh |= (value << 0) & 0x0ff; |
530 |
break;
|
531 |
case 0x1a: /* Auto-Refresh Interval Setting 1 */ |
532 |
s->memrefresh &= 0x0ff;
|
533 |
s->memrefresh |= (value << 8) & 0xf00; |
534 |
break;
|
535 |
|
536 |
case 0x1c: /* Power-On Sequence Timing Control */ |
537 |
s->timing[0] = value & 0x7f; |
538 |
break;
|
539 |
case 0x1e: /* Timing Control 0 */ |
540 |
s->timing[1] = value & 0x17; |
541 |
break;
|
542 |
case 0x20: /* Timing Control 1 */ |
543 |
s->timing[2] = value & 0x35; |
544 |
break;
|
545 |
|
546 |
case 0x24: /* Arbitration Priority Control */ |
547 |
s->priority = value & 1;
|
548 |
break;
|
549 |
|
550 |
case 0x28: /* LCD Panel Configuration */ |
551 |
s->lcd_config = value & 0xff;
|
552 |
if (value & (1 << 7)) |
553 |
fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__);
|
554 |
break;
|
555 |
|
556 |
case 0x2a: /* LCD Horizontal Display Width */ |
557 |
s->x = value << 3;
|
558 |
break;
|
559 |
case 0x2c: /* LCD Horizontal Non-display Period */ |
560 |
s->hndp = value & 0xff;
|
561 |
break;
|
562 |
case 0x2e: /* LCD Vertical Display Height 0 */ |
563 |
s->y &= 0x300;
|
564 |
s->y |= (value << 0) & 0x0ff; |
565 |
break;
|
566 |
case 0x30: /* LCD Vertical Display Height 1 */ |
567 |
s->y &= 0x0ff;
|
568 |
s->y |= (value << 8) & 0x300; |
569 |
break;
|
570 |
case 0x32: /* LCD Vertical Non-display Period */ |
571 |
s->vndp = value & 0xff;
|
572 |
break;
|
573 |
case 0x34: /* LCD HS Pulse-width */ |
574 |
s->hsync = value & 0xff;
|
575 |
break;
|
576 |
case 0x36: /* LCD HS Pulse Start Position */ |
577 |
s->skipx = value & 0xff;
|
578 |
break;
|
579 |
case 0x38: /* LCD VS Pulse-width */ |
580 |
s->vsync = value & 0xbf;
|
581 |
break;
|
582 |
case 0x3a: /* LCD VS Pulse Start Position */ |
583 |
s->skipy = value & 0xff;
|
584 |
break;
|
585 |
|
586 |
case 0x3c: /* PCLK Polarity */ |
587 |
s->pclk = value & 0x82;
|
588 |
/* Affects calculation of s->hndp, s->hsync and s->skipx. */
|
589 |
break;
|
590 |
|
591 |
case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ |
592 |
s->hssi_config[0] = value;
|
593 |
break;
|
594 |
case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ |
595 |
s->hssi_config[1] = value;
|
596 |
if (((value >> 4) & 3) == 3) |
597 |
fprintf(stderr, "%s: Illegal active-data-links value\n",
|
598 |
__FUNCTION__); |
599 |
break;
|
600 |
case 0x42: /* High-speed Serial Interface Tx Mode */ |
601 |
s->hssi_config[2] = value & 0xbd; |
602 |
break;
|
603 |
|
604 |
case 0x44: /* TV Display Configuration */ |
605 |
s->tv_config = value & 0xfe;
|
606 |
break;
|
607 |
case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */ |
608 |
s->tv_timing[(reg - 0x46) >> 1] = value; |
609 |
break;
|
610 |
case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ |
611 |
s->vbi = value; |
612 |
break;
|
613 |
case 0x50: /* TV Horizontal Start Position */ |
614 |
s->tv_x = value; |
615 |
break;
|
616 |
case 0x52: /* TV Vertical Start Position */ |
617 |
s->tv_y = value & 0x7f;
|
618 |
break;
|
619 |
case 0x54: /* TV Test Pattern Setting */ |
620 |
s->tv_test = value; |
621 |
break;
|
622 |
case 0x56: /* TV Filter Setting */ |
623 |
s->tv_filter_config = value & 0xbf;
|
624 |
break;
|
625 |
case 0x58: /* TV Filter Coefficient Index */ |
626 |
s->tv_filter_idx = value & 0x1f;
|
627 |
break;
|
628 |
case 0x5a: /* TV Filter Coefficient Data */ |
629 |
if (s->tv_filter_idx < 0x20) |
630 |
s->tv_filter_coeff[s->tv_filter_idx ++] = value; |
631 |
break;
|
632 |
|
633 |
case 0x60: /* Input YUV/RGB Translate Mode 0 */ |
634 |
s->yrc[0] = value & 0xb0; |
635 |
break;
|
636 |
case 0x62: /* Input YUV/RGB Translate Mode 1 */ |
637 |
s->yrc[1] = value & 0x30; |
638 |
break;
|
639 |
case 0x64: /* U Data Fix */ |
640 |
s->u = value & 0xff;
|
641 |
break;
|
642 |
case 0x66: /* V Data Fix */ |
643 |
s->v = value & 0xff;
|
644 |
break;
|
645 |
|
646 |
case 0x68: /* Display Mode */ |
647 |
if ((s->mode ^ value) & 3) |
648 |
s->invalidate = 1;
|
649 |
s->mode = value & 0xb7;
|
650 |
s->enable = value & 1;
|
651 |
s->blank = (value >> 1) & 1; |
652 |
if (value & (1 << 4)) |
653 |
fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__);
|
654 |
break;
|
655 |
|
656 |
case 0x6a: /* Special Effects */ |
657 |
s->effect = value & 0xfb;
|
658 |
break;
|
659 |
|
660 |
case 0x6c: /* Input Window X Start Position 0 */ |
661 |
s->ix[0] &= 0x300; |
662 |
s->ix[0] |= (value << 0) & 0x0ff; |
663 |
break;
|
664 |
case 0x6e: /* Input Window X Start Position 1 */ |
665 |
s->ix[0] &= 0x0ff; |
666 |
s->ix[0] |= (value << 8) & 0x300; |
667 |
break;
|
668 |
case 0x70: /* Input Window Y Start Position 0 */ |
669 |
s->iy[0] &= 0x300; |
670 |
s->iy[0] |= (value << 0) & 0x0ff; |
671 |
break;
|
672 |
case 0x72: /* Input Window Y Start Position 1 */ |
673 |
s->iy[0] &= 0x0ff; |
674 |
s->iy[0] |= (value << 8) & 0x300; |
675 |
break;
|
676 |
case 0x74: /* Input Window X End Position 0 */ |
677 |
s->ix[1] &= 0x300; |
678 |
s->ix[1] |= (value << 0) & 0x0ff; |
679 |
break;
|
680 |
case 0x76: /* Input Window X End Position 1 */ |
681 |
s->ix[1] &= 0x0ff; |
682 |
s->ix[1] |= (value << 8) & 0x300; |
683 |
break;
|
684 |
case 0x78: /* Input Window Y End Position 0 */ |
685 |
s->iy[1] &= 0x300; |
686 |
s->iy[1] |= (value << 0) & 0x0ff; |
687 |
break;
|
688 |
case 0x7a: /* Input Window Y End Position 1 */ |
689 |
s->iy[1] &= 0x0ff; |
690 |
s->iy[1] |= (value << 8) & 0x300; |
691 |
break;
|
692 |
case 0x7c: /* Output Window X Start Position 0 */ |
693 |
s->ox[0] &= 0x300; |
694 |
s->ox[0] |= (value << 0) & 0x0ff; |
695 |
break;
|
696 |
case 0x7e: /* Output Window X Start Position 1 */ |
697 |
s->ox[0] &= 0x0ff; |
698 |
s->ox[0] |= (value << 8) & 0x300; |
699 |
break;
|
700 |
case 0x80: /* Output Window Y Start Position 0 */ |
701 |
s->oy[0] &= 0x300; |
702 |
s->oy[0] |= (value << 0) & 0x0ff; |
703 |
break;
|
704 |
case 0x82: /* Output Window Y Start Position 1 */ |
705 |
s->oy[0] &= 0x0ff; |
706 |
s->oy[0] |= (value << 8) & 0x300; |
707 |
break;
|
708 |
case 0x84: /* Output Window X End Position 0 */ |
709 |
s->ox[1] &= 0x300; |
710 |
s->ox[1] |= (value << 0) & 0x0ff; |
711 |
break;
|
712 |
case 0x86: /* Output Window X End Position 1 */ |
713 |
s->ox[1] &= 0x0ff; |
714 |
s->ox[1] |= (value << 8) & 0x300; |
715 |
break;
|
716 |
case 0x88: /* Output Window Y End Position 0 */ |
717 |
s->oy[1] &= 0x300; |
718 |
s->oy[1] |= (value << 0) & 0x0ff; |
719 |
break;
|
720 |
case 0x8a: /* Output Window Y End Position 1 */ |
721 |
s->oy[1] &= 0x0ff; |
722 |
s->oy[1] |= (value << 8) & 0x300; |
723 |
break;
|
724 |
|
725 |
case 0x8c: /* Input Data Format */ |
726 |
s->iformat = value & 0xf;
|
727 |
s->bpp = blizzard_iformat_bpp[s->iformat]; |
728 |
if (!s->bpp)
|
729 |
fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
|
730 |
__FUNCTION__, s->iformat); |
731 |
break;
|
732 |
case 0x8e: /* Data Source Select */ |
733 |
s->source = value & 7;
|
734 |
/* Currently all windows will be "destructive overlays". */
|
735 |
if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] || |
736 |
s->iy[0] != s->oy[0] || |
737 |
s->ix[1] != s->ox[1] || |
738 |
s->iy[1] != s->oy[1])) || |
739 |
!((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) & |
740 |
(s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1)) |
741 |
fprintf(stderr, "%s: Illegal input/output window positions\n",
|
742 |
__FUNCTION__); |
743 |
|
744 |
blizzard_transfer_setup(s); |
745 |
break;
|
746 |
|
747 |
case 0x90: /* Display Memory Data Port */ |
748 |
if (!s->data.len && !blizzard_transfer_setup(s))
|
749 |
break;
|
750 |
|
751 |
*s->data.ptr ++ = value; |
752 |
if (-- s->data.len == 0) |
753 |
blizzard_window(s); |
754 |
break;
|
755 |
|
756 |
case 0xa8: /* Border Color 0 */ |
757 |
s->border_r = value; |
758 |
break;
|
759 |
case 0xaa: /* Border Color 1 */ |
760 |
s->border_g = value; |
761 |
break;
|
762 |
case 0xac: /* Border Color 2 */ |
763 |
s->border_b = value; |
764 |
break;
|
765 |
|
766 |
case 0xb4: /* Gamma Correction Enable */ |
767 |
s->gamma_config = value & 0x87;
|
768 |
break;
|
769 |
case 0xb6: /* Gamma Correction Table Index */ |
770 |
s->gamma_idx = value; |
771 |
break;
|
772 |
case 0xb8: /* Gamma Correction Table Data */ |
773 |
s->gamma_lut[s->gamma_idx ++] = value; |
774 |
break;
|
775 |
|
776 |
case 0xba: /* 3x3 Matrix Enable */ |
777 |
s->matrix_ena = value & 1;
|
778 |
break;
|
779 |
case 0xbc ... 0xde: /* Coefficient Registers */ |
780 |
s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff); |
781 |
break;
|
782 |
case 0xe0: /* 3x3 Matrix Red Offset */ |
783 |
s->matrix_r = value; |
784 |
break;
|
785 |
case 0xe2: /* 3x3 Matrix Green Offset */ |
786 |
s->matrix_g = value; |
787 |
break;
|
788 |
case 0xe4: /* 3x3 Matrix Blue Offset */ |
789 |
s->matrix_b = value; |
790 |
break;
|
791 |
|
792 |
case 0xe6: /* Power-save */ |
793 |
s->pm = value & 0x83;
|
794 |
if (value & s->mode & 1) |
795 |
fprintf(stderr, "%s: The display must be disabled before entering "
|
796 |
"Standby Mode\n", __FUNCTION__);
|
797 |
break;
|
798 |
case 0xe8: /* Non-display Period Control / Status */ |
799 |
s->status = value & 0x1b;
|
800 |
break;
|
801 |
case 0xea: /* RGB Interface Control */ |
802 |
s->rgbgpio_dir = value & 0x8f;
|
803 |
break;
|
804 |
case 0xec: /* RGB Interface Status */ |
805 |
s->rgbgpio = value & 0xcf;
|
806 |
break;
|
807 |
case 0xee: /* General-purpose IO Pins Configuration */ |
808 |
s->gpio_dir = value; |
809 |
break;
|
810 |
case 0xf0: /* General-purpose IO Pins Status / Control */ |
811 |
s->gpio = value; |
812 |
break;
|
813 |
case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ |
814 |
s->gpio_edge[0] = value;
|
815 |
break;
|
816 |
case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ |
817 |
s->gpio_edge[1] = value;
|
818 |
break;
|
819 |
case 0xf6: /* GPIO Interrupt Status */ |
820 |
s->gpio_irq &= value; |
821 |
break;
|
822 |
case 0xf8: /* GPIO Pull-down Control */ |
823 |
s->gpio_pdown = value; |
824 |
break;
|
825 |
|
826 |
default:
|
827 |
fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
|
828 |
break;
|
829 |
} |
830 |
} |
831 |
|
832 |
uint16_t s1d13745_read(void *opaque, int dc) |
833 |
{ |
834 |
BlizzardState *s = (BlizzardState *) opaque; |
835 |
uint16_t value = blizzard_reg_read(s, s->reg); |
836 |
|
837 |
if (s->swallow -- > 0) |
838 |
return 0; |
839 |
if (dc)
|
840 |
s->reg ++; |
841 |
|
842 |
return value;
|
843 |
} |
844 |
|
845 |
void s1d13745_write(void *opaque, int dc, uint16_t value) |
846 |
{ |
847 |
BlizzardState *s = (BlizzardState *) opaque; |
848 |
|
849 |
if (s->swallow -- > 0) |
850 |
return;
|
851 |
if (dc) {
|
852 |
blizzard_reg_write(s, s->reg, value); |
853 |
|
854 |
if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8) |
855 |
s->reg += 2;
|
856 |
} else
|
857 |
s->reg = value & 0xff;
|
858 |
} |
859 |
|
860 |
void s1d13745_write_block(void *opaque, int dc, |
861 |
void *buf, size_t len, int pitch) |
862 |
{ |
863 |
BlizzardState *s = (BlizzardState *) opaque; |
864 |
|
865 |
while (len > 0) { |
866 |
if (s->reg == 0x90 && dc && |
867 |
(s->data.len || blizzard_transfer_setup(s)) && |
868 |
len >= (s->data.len << 1)) {
|
869 |
len -= s->data.len << 1;
|
870 |
s->data.len = 0;
|
871 |
s->data.data = buf; |
872 |
if (pitch)
|
873 |
s->data.pitch = pitch; |
874 |
blizzard_window(s); |
875 |
s->data.data = s->data.buf; |
876 |
continue;
|
877 |
} |
878 |
|
879 |
s1d13745_write(opaque, dc, *(uint16_t *) buf); |
880 |
len -= 2;
|
881 |
buf += 2;
|
882 |
} |
883 |
|
884 |
return;
|
885 |
} |
886 |
|
887 |
static void blizzard_update_display(void *opaque) |
888 |
{ |
889 |
BlizzardState *s = (BlizzardState *) opaque; |
890 |
int y, bypp, bypl, bwidth;
|
891 |
uint8_t *src, *dst; |
892 |
|
893 |
if (!s->enable)
|
894 |
return;
|
895 |
|
896 |
if (s->x != ds_get_width(s->state) || s->y != ds_get_height(s->state)) {
|
897 |
s->invalidate = 1;
|
898 |
qemu_console_resize(s->state, s->x, s->y); |
899 |
} |
900 |
|
901 |
if (s->invalidate) {
|
902 |
s->invalidate = 0;
|
903 |
|
904 |
if (s->blank) {
|
905 |
bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3; |
906 |
memset(ds_get_data(s->state), 0, bypp * s->x * s->y);
|
907 |
return;
|
908 |
} |
909 |
|
910 |
s->mx[0] = 0; |
911 |
s->mx[1] = s->x;
|
912 |
s->my[0] = 0; |
913 |
s->my[1] = s->y;
|
914 |
} |
915 |
|
916 |
if (s->mx[1] <= s->mx[0]) |
917 |
return;
|
918 |
|
919 |
bypp = (ds_get_bits_per_pixel(s->state) + 7) >> 3; |
920 |
bypl = bypp * s->x; |
921 |
bwidth = bypp * (s->mx[1] - s->mx[0]); |
922 |
y = s->my[0];
|
923 |
src = s->fb + bypl * y + bypp * s->mx[0];
|
924 |
dst = ds_get_data(s->state) + bypl * y + bypp * s->mx[0];
|
925 |
for (; y < s->my[1]; y ++, src += bypl, dst += bypl) |
926 |
memcpy(dst, src, bwidth); |
927 |
|
928 |
dpy_update(s->state, s->mx[0], s->my[0], |
929 |
s->mx[1] - s->mx[0], y - s->my[0]); |
930 |
|
931 |
s->mx[0] = s->x;
|
932 |
s->mx[1] = 0; |
933 |
s->my[0] = s->y;
|
934 |
s->my[1] = 0; |
935 |
} |
936 |
|
937 |
static void blizzard_screen_dump(void *opaque, const char *filename) { |
938 |
BlizzardState *s = (BlizzardState *) opaque; |
939 |
|
940 |
blizzard_update_display(opaque); |
941 |
if (s && ds_get_data(s->state))
|
942 |
ppm_save(filename, s->state->surface); |
943 |
} |
944 |
|
945 |
#define DEPTH 8 |
946 |
#include "blizzard_template.h" |
947 |
#define DEPTH 15 |
948 |
#include "blizzard_template.h" |
949 |
#define DEPTH 16 |
950 |
#include "blizzard_template.h" |
951 |
#define DEPTH 24 |
952 |
#include "blizzard_template.h" |
953 |
#define DEPTH 32 |
954 |
#include "blizzard_template.h" |
955 |
|
956 |
void *s1d13745_init(qemu_irq gpio_int)
|
957 |
{ |
958 |
BlizzardState *s = (BlizzardState *) qemu_mallocz(sizeof(*s));
|
959 |
|
960 |
s->fb = qemu_malloc(0x180000);
|
961 |
|
962 |
s->state = graphic_console_init(blizzard_update_display, |
963 |
blizzard_invalidate_display, |
964 |
blizzard_screen_dump, NULL, s);
|
965 |
|
966 |
switch (ds_get_bits_per_pixel(s->state)) {
|
967 |
case 0: |
968 |
s->line_fn_tab[0] = s->line_fn_tab[1] = |
969 |
qemu_mallocz(sizeof(blizzard_fn_t) * 0x10); |
970 |
break;
|
971 |
case 8: |
972 |
s->line_fn_tab[0] = blizzard_draw_fn_8;
|
973 |
s->line_fn_tab[1] = blizzard_draw_fn_r_8;
|
974 |
break;
|
975 |
case 15: |
976 |
s->line_fn_tab[0] = blizzard_draw_fn_15;
|
977 |
s->line_fn_tab[1] = blizzard_draw_fn_r_15;
|
978 |
break;
|
979 |
case 16: |
980 |
s->line_fn_tab[0] = blizzard_draw_fn_16;
|
981 |
s->line_fn_tab[1] = blizzard_draw_fn_r_16;
|
982 |
break;
|
983 |
case 24: |
984 |
s->line_fn_tab[0] = blizzard_draw_fn_24;
|
985 |
s->line_fn_tab[1] = blizzard_draw_fn_r_24;
|
986 |
break;
|
987 |
case 32: |
988 |
s->line_fn_tab[0] = blizzard_draw_fn_32;
|
989 |
s->line_fn_tab[1] = blizzard_draw_fn_r_32;
|
990 |
break;
|
991 |
default:
|
992 |
fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
|
993 |
exit(1);
|
994 |
} |
995 |
|
996 |
blizzard_reset(s); |
997 |
|
998 |
return s;
|
999 |
} |