root / hw / blizzard.c @ ab7d9131
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 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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struct blizzard_s {
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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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}; |
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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(struct blizzard_s *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] = (s->state->depth + 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(struct blizzard_s *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 = 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(struct blizzard_s *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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struct blizzard_s *s = (struct blizzard_s *) 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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struct blizzard_s *s = (struct blizzard_s *) 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 */ |
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return s->ix[0] & 0xff; |
402 |
case 0x6e: /* Input Window X Start Position 1 */ |
403 |
return s->ix[0] >> 3; |
404 |
case 0x70: /* Input Window Y Start Position 0 */ |
405 |
return s->ix[0] & 0xff; |
406 |
case 0x72: /* Input Window Y Start Position 1 */ |
407 |
return s->ix[0] >> 3; |
408 |
case 0x74: /* Input Window X End Position 0 */ |
409 |
return s->ix[1] & 0xff; |
410 |
case 0x76: /* Input Window X End Position 1 */ |
411 |
return s->ix[1] >> 3; |
412 |
case 0x78: /* Input Window Y End Position 0 */ |
413 |
return s->ix[1] & 0xff; |
414 |
case 0x7a: /* Input Window Y End Position 1 */ |
415 |
return s->ix[1] >> 3; |
416 |
case 0x7c: /* Output Window X Start Position 0 */ |
417 |
return s->ox[0] & 0xff; |
418 |
case 0x7e: /* Output Window X Start Position 1 */ |
419 |
return s->ox[0] >> 3; |
420 |
case 0x80: /* Output Window Y Start Position 0 */ |
421 |
return s->oy[0] & 0xff; |
422 |
case 0x82: /* Output Window Y Start Position 1 */ |
423 |
return s->oy[0] >> 3; |
424 |
case 0x84: /* Output Window X End Position 0 */ |
425 |
return s->ox[1] & 0xff; |
426 |
case 0x86: /* Output Window X End Position 1 */ |
427 |
return s->ox[1] >> 3; |
428 |
case 0x88: /* Output Window Y End Position 0 */ |
429 |
return s->oy[1] & 0xff; |
430 |
case 0x8a: /* Output Window Y End Position 1 */ |
431 |
return s->oy[1] >> 3; |
432 |
|
433 |
case 0x8c: /* Input Data Format */ |
434 |
return s->iformat;
|
435 |
case 0x8e: /* Data Source Select */ |
436 |
return s->source;
|
437 |
case 0x90: /* Display Memory Data Port */ |
438 |
return 0; |
439 |
|
440 |
case 0xa8: /* Border Color 0 */ |
441 |
return s->border_r;
|
442 |
case 0xaa: /* Border Color 1 */ |
443 |
return s->border_g;
|
444 |
case 0xac: /* Border Color 2 */ |
445 |
return s->border_b;
|
446 |
|
447 |
case 0xb4: /* Gamma Correction Enable */ |
448 |
return s->gamma_config;
|
449 |
case 0xb6: /* Gamma Correction Table Index */ |
450 |
return s->gamma_idx;
|
451 |
case 0xb8: /* Gamma Correction Table Data */ |
452 |
return s->gamma_lut[s->gamma_idx ++];
|
453 |
|
454 |
case 0xba: /* 3x3 Matrix Enable */ |
455 |
return s->matrix_ena;
|
456 |
case 0xbc ... 0xde: /* Coefficient Registers */ |
457 |
return s->matrix_coeff[(reg - 0xbc) >> 1]; |
458 |
case 0xe0: /* 3x3 Matrix Red Offset */ |
459 |
return s->matrix_r;
|
460 |
case 0xe2: /* 3x3 Matrix Green Offset */ |
461 |
return s->matrix_g;
|
462 |
case 0xe4: /* 3x3 Matrix Blue Offset */ |
463 |
return s->matrix_b;
|
464 |
|
465 |
case 0xe6: /* Power-save */ |
466 |
return s->pm;
|
467 |
case 0xe8: /* Non-display Period Control / Status */ |
468 |
return s->status | (1 << 5); |
469 |
case 0xea: /* RGB Interface Control */ |
470 |
return s->rgbgpio_dir;
|
471 |
case 0xec: /* RGB Interface Status */ |
472 |
return s->rgbgpio;
|
473 |
case 0xee: /* General-purpose IO Pins Configuration */ |
474 |
return s->gpio_dir;
|
475 |
case 0xf0: /* General-purpose IO Pins Status / Control */ |
476 |
return s->gpio;
|
477 |
case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ |
478 |
return s->gpio_edge[0]; |
479 |
case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ |
480 |
return s->gpio_edge[1]; |
481 |
case 0xf6: /* GPIO Interrupt Status */ |
482 |
return s->gpio_irq;
|
483 |
case 0xf8: /* GPIO Pull-down Control */ |
484 |
return s->gpio_pdown;
|
485 |
|
486 |
default:
|
487 |
fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
|
488 |
return 0; |
489 |
} |
490 |
} |
491 |
|
492 |
static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value) |
493 |
{ |
494 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
495 |
|
496 |
switch (reg) {
|
497 |
case 0x04: /* PLL M-Divider */ |
498 |
s->pll = (value & 0x3f) + 1; |
499 |
break;
|
500 |
case 0x06: /* PLL Lock Range Control */ |
501 |
s->pll_range = value & 3;
|
502 |
break;
|
503 |
case 0x08: /* PLL Lock Synthesis Control 0 */ |
504 |
s->pll_ctrl &= 0xf00;
|
505 |
s->pll_ctrl |= (value << 0) & 0x0ff; |
506 |
break;
|
507 |
case 0x0a: /* PLL Lock Synthesis Control 1 */ |
508 |
s->pll_ctrl &= 0x0ff;
|
509 |
s->pll_ctrl |= (value << 8) & 0xf00; |
510 |
break;
|
511 |
case 0x0c: /* PLL Mode Control 0 */ |
512 |
s->pll_mode = value & 0x77;
|
513 |
if ((value & 3) == 0 || (value & 3) == 3) |
514 |
fprintf(stderr, "%s: wrong PLL Control bits (%i)\n",
|
515 |
__FUNCTION__, value & 3);
|
516 |
break;
|
517 |
|
518 |
case 0x0e: /* Clock-Source Select */ |
519 |
s->clksel = value & 0xff;
|
520 |
break;
|
521 |
|
522 |
case 0x10: /* Memory Controller Activate */ |
523 |
s->memenable = value & 1;
|
524 |
break;
|
525 |
case 0x14: /* Memory Controller Bank 0 Status Flag */ |
526 |
break;
|
527 |
|
528 |
case 0x18: /* Auto-Refresh Interval Setting 0 */ |
529 |
s->memrefresh &= 0xf00;
|
530 |
s->memrefresh |= (value << 0) & 0x0ff; |
531 |
break;
|
532 |
case 0x1a: /* Auto-Refresh Interval Setting 1 */ |
533 |
s->memrefresh &= 0x0ff;
|
534 |
s->memrefresh |= (value << 8) & 0xf00; |
535 |
break;
|
536 |
|
537 |
case 0x1c: /* Power-On Sequence Timing Control */ |
538 |
s->timing[0] = value & 0x7f; |
539 |
break;
|
540 |
case 0x1e: /* Timing Control 0 */ |
541 |
s->timing[1] = value & 0x17; |
542 |
break;
|
543 |
case 0x20: /* Timing Control 1 */ |
544 |
s->timing[2] = value & 0x35; |
545 |
break;
|
546 |
|
547 |
case 0x24: /* Arbitration Priority Control */ |
548 |
s->priority = value & 1;
|
549 |
break;
|
550 |
|
551 |
case 0x28: /* LCD Panel Configuration */ |
552 |
s->lcd_config = value & 0xff;
|
553 |
if (value & (1 << 7)) |
554 |
fprintf(stderr, "%s: data swap not supported!\n", __FUNCTION__);
|
555 |
break;
|
556 |
|
557 |
case 0x2a: /* LCD Horizontal Display Width */ |
558 |
s->x = value << 3;
|
559 |
break;
|
560 |
case 0x2c: /* LCD Horizontal Non-display Period */ |
561 |
s->hndp = value & 0xff;
|
562 |
break;
|
563 |
case 0x2e: /* LCD Vertical Display Height 0 */ |
564 |
s->y &= 0x300;
|
565 |
s->y |= (value << 0) & 0x0ff; |
566 |
break;
|
567 |
case 0x30: /* LCD Vertical Display Height 1 */ |
568 |
s->y &= 0x0ff;
|
569 |
s->y |= (value << 8) & 0x300; |
570 |
break;
|
571 |
case 0x32: /* LCD Vertical Non-display Period */ |
572 |
s->vndp = value & 0xff;
|
573 |
break;
|
574 |
case 0x34: /* LCD HS Pulse-width */ |
575 |
s->hsync = value & 0xff;
|
576 |
break;
|
577 |
case 0x36: /* LCD HS Pulse Start Position */ |
578 |
s->skipx = value & 0xff;
|
579 |
break;
|
580 |
case 0x38: /* LCD VS Pulse-width */ |
581 |
s->vsync = value & 0xbf;
|
582 |
break;
|
583 |
case 0x3a: /* LCD VS Pulse Start Position */ |
584 |
s->skipy = value & 0xff;
|
585 |
break;
|
586 |
|
587 |
case 0x3c: /* PCLK Polarity */ |
588 |
s->pclk = value & 0x82;
|
589 |
/* Affects calculation of s->hndp, s->hsync and s->skipx. */
|
590 |
break;
|
591 |
|
592 |
case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ |
593 |
s->hssi_config[0] = value;
|
594 |
break;
|
595 |
case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ |
596 |
s->hssi_config[1] = value;
|
597 |
if (((value >> 4) & 3) == 3) |
598 |
fprintf(stderr, "%s: Illegal active-data-links value\n",
|
599 |
__FUNCTION__); |
600 |
break;
|
601 |
case 0x42: /* High-speed Serial Interface Tx Mode */ |
602 |
s->hssi_config[2] = value & 0xbd; |
603 |
break;
|
604 |
|
605 |
case 0x44: /* TV Display Configuration */ |
606 |
s->tv_config = value & 0xfe;
|
607 |
break;
|
608 |
case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */ |
609 |
s->tv_timing[(reg - 0x46) >> 1] = value; |
610 |
break;
|
611 |
case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ |
612 |
s->vbi = value; |
613 |
break;
|
614 |
case 0x50: /* TV Horizontal Start Position */ |
615 |
s->tv_x = value; |
616 |
break;
|
617 |
case 0x52: /* TV Vertical Start Position */ |
618 |
s->tv_y = value & 0x7f;
|
619 |
break;
|
620 |
case 0x54: /* TV Test Pattern Setting */ |
621 |
s->tv_test = value; |
622 |
break;
|
623 |
case 0x56: /* TV Filter Setting */ |
624 |
s->tv_filter_config = value & 0xbf;
|
625 |
break;
|
626 |
case 0x58: /* TV Filter Coefficient Index */ |
627 |
s->tv_filter_idx = value & 0x1f;
|
628 |
break;
|
629 |
case 0x5a: /* TV Filter Coefficient Data */ |
630 |
if (s->tv_filter_idx < 0x20) |
631 |
s->tv_filter_coeff[s->tv_filter_idx ++] = value; |
632 |
break;
|
633 |
|
634 |
case 0x60: /* Input YUV/RGB Translate Mode 0 */ |
635 |
s->yrc[0] = value & 0xb0; |
636 |
break;
|
637 |
case 0x62: /* Input YUV/RGB Translate Mode 1 */ |
638 |
s->yrc[1] = value & 0x30; |
639 |
break;
|
640 |
case 0x64: /* U Data Fix */ |
641 |
s->u = value & 0xff;
|
642 |
break;
|
643 |
case 0x66: /* V Data Fix */ |
644 |
s->v = value & 0xff;
|
645 |
break;
|
646 |
|
647 |
case 0x68: /* Display Mode */ |
648 |
if ((s->mode ^ value) & 3) |
649 |
s->invalidate = 1;
|
650 |
s->mode = value & 0xb7;
|
651 |
s->enable = value & 1;
|
652 |
s->blank = (value >> 1) & 1; |
653 |
if (value & (1 << 4)) |
654 |
fprintf(stderr, "%s: Macrovision enable attempt!\n", __FUNCTION__);
|
655 |
break;
|
656 |
|
657 |
case 0x6a: /* Special Effects */ |
658 |
s->effect = value & 0xfb;
|
659 |
break;
|
660 |
|
661 |
case 0x6c: /* Input Window X Start Position 0 */ |
662 |
s->ix[0] &= 0x300; |
663 |
s->ix[0] |= (value << 0) & 0x0ff; |
664 |
break;
|
665 |
case 0x6e: /* Input Window X Start Position 1 */ |
666 |
s->ix[0] &= 0x0ff; |
667 |
s->ix[0] |= (value << 8) & 0x300; |
668 |
break;
|
669 |
case 0x70: /* Input Window Y Start Position 0 */ |
670 |
s->iy[0] &= 0x300; |
671 |
s->iy[0] |= (value << 0) & 0x0ff; |
672 |
break;
|
673 |
case 0x72: /* Input Window Y Start Position 1 */ |
674 |
s->iy[0] &= 0x0ff; |
675 |
s->iy[0] |= (value << 8) & 0x300; |
676 |
break;
|
677 |
case 0x74: /* Input Window X End Position 0 */ |
678 |
s->ix[1] &= 0x300; |
679 |
s->ix[1] |= (value << 0) & 0x0ff; |
680 |
break;
|
681 |
case 0x76: /* Input Window X End Position 1 */ |
682 |
s->ix[1] &= 0x0ff; |
683 |
s->ix[1] |= (value << 8) & 0x300; |
684 |
break;
|
685 |
case 0x78: /* Input Window Y End Position 0 */ |
686 |
s->iy[1] &= 0x300; |
687 |
s->iy[1] |= (value << 0) & 0x0ff; |
688 |
break;
|
689 |
case 0x7a: /* Input Window Y End Position 1 */ |
690 |
s->iy[1] &= 0x0ff; |
691 |
s->iy[1] |= (value << 8) & 0x300; |
692 |
break;
|
693 |
case 0x7c: /* Output Window X Start Position 0 */ |
694 |
s->ox[0] &= 0x300; |
695 |
s->ox[0] |= (value << 0) & 0x0ff; |
696 |
break;
|
697 |
case 0x7e: /* Output Window X Start Position 1 */ |
698 |
s->ox[0] &= 0x0ff; |
699 |
s->ox[0] |= (value << 8) & 0x300; |
700 |
break;
|
701 |
case 0x80: /* Output Window Y Start Position 0 */ |
702 |
s->oy[0] &= 0x300; |
703 |
s->oy[0] |= (value << 0) & 0x0ff; |
704 |
break;
|
705 |
case 0x82: /* Output Window Y Start Position 1 */ |
706 |
s->oy[0] &= 0x0ff; |
707 |
s->oy[0] |= (value << 8) & 0x300; |
708 |
break;
|
709 |
case 0x84: /* Output Window X End Position 0 */ |
710 |
s->ox[1] &= 0x300; |
711 |
s->ox[1] |= (value << 0) & 0x0ff; |
712 |
break;
|
713 |
case 0x86: /* Output Window X End Position 1 */ |
714 |
s->ox[1] &= 0x0ff; |
715 |
s->ox[1] |= (value << 8) & 0x300; |
716 |
break;
|
717 |
case 0x88: /* Output Window Y End Position 0 */ |
718 |
s->oy[1] &= 0x300; |
719 |
s->oy[1] |= (value << 0) & 0x0ff; |
720 |
break;
|
721 |
case 0x8a: /* Output Window Y End Position 1 */ |
722 |
s->oy[1] &= 0x0ff; |
723 |
s->oy[1] |= (value << 8) & 0x300; |
724 |
break;
|
725 |
|
726 |
case 0x8c: /* Input Data Format */ |
727 |
s->iformat = value & 0xf;
|
728 |
s->bpp = blizzard_iformat_bpp[s->iformat]; |
729 |
if (!s->bpp)
|
730 |
fprintf(stderr, "%s: Illegal or unsupported input format %x\n",
|
731 |
__FUNCTION__, s->iformat); |
732 |
break;
|
733 |
case 0x8e: /* Data Source Select */ |
734 |
s->source = value & 7;
|
735 |
/* Currently all windows will be "destructive overlays". */
|
736 |
if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] || |
737 |
s->iy[0] != s->oy[0] || |
738 |
s->ix[1] != s->ox[1] || |
739 |
s->iy[1] != s->oy[1])) || |
740 |
!((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) & |
741 |
(s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1)) |
742 |
fprintf(stderr, "%s: Illegal input/output window positions\n",
|
743 |
__FUNCTION__); |
744 |
|
745 |
blizzard_transfer_setup(s); |
746 |
break;
|
747 |
|
748 |
case 0x90: /* Display Memory Data Port */ |
749 |
if (!s->data.len && !blizzard_transfer_setup(s))
|
750 |
break;
|
751 |
|
752 |
*s->data.ptr ++ = value; |
753 |
if (-- s->data.len == 0) |
754 |
blizzard_window(s); |
755 |
break;
|
756 |
|
757 |
case 0xa8: /* Border Color 0 */ |
758 |
s->border_r = value; |
759 |
break;
|
760 |
case 0xaa: /* Border Color 1 */ |
761 |
s->border_g = value; |
762 |
break;
|
763 |
case 0xac: /* Border Color 2 */ |
764 |
s->border_b = value; |
765 |
break;
|
766 |
|
767 |
case 0xb4: /* Gamma Correction Enable */ |
768 |
s->gamma_config = value & 0x87;
|
769 |
break;
|
770 |
case 0xb6: /* Gamma Correction Table Index */ |
771 |
s->gamma_idx = value; |
772 |
break;
|
773 |
case 0xb8: /* Gamma Correction Table Data */ |
774 |
s->gamma_lut[s->gamma_idx ++] = value; |
775 |
break;
|
776 |
|
777 |
case 0xba: /* 3x3 Matrix Enable */ |
778 |
s->matrix_ena = value & 1;
|
779 |
break;
|
780 |
case 0xbc ... 0xde: /* Coefficient Registers */ |
781 |
s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff); |
782 |
break;
|
783 |
case 0xe0: /* 3x3 Matrix Red Offset */ |
784 |
s->matrix_r = value; |
785 |
break;
|
786 |
case 0xe2: /* 3x3 Matrix Green Offset */ |
787 |
s->matrix_g = value; |
788 |
break;
|
789 |
case 0xe4: /* 3x3 Matrix Blue Offset */ |
790 |
s->matrix_b = value; |
791 |
break;
|
792 |
|
793 |
case 0xe6: /* Power-save */ |
794 |
s->pm = value & 0x83;
|
795 |
if (value & s->mode & 1) |
796 |
fprintf(stderr, "%s: The display must be disabled before entering "
|
797 |
"Standby Mode\n", __FUNCTION__);
|
798 |
break;
|
799 |
case 0xe8: /* Non-display Period Control / Status */ |
800 |
s->status = value & 0x1b;
|
801 |
break;
|
802 |
case 0xea: /* RGB Interface Control */ |
803 |
s->rgbgpio_dir = value & 0x8f;
|
804 |
break;
|
805 |
case 0xec: /* RGB Interface Status */ |
806 |
s->rgbgpio = value & 0xcf;
|
807 |
break;
|
808 |
case 0xee: /* General-purpose IO Pins Configuration */ |
809 |
s->gpio_dir = value; |
810 |
break;
|
811 |
case 0xf0: /* General-purpose IO Pins Status / Control */ |
812 |
s->gpio = value; |
813 |
break;
|
814 |
case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ |
815 |
s->gpio_edge[0] = value;
|
816 |
break;
|
817 |
case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ |
818 |
s->gpio_edge[1] = value;
|
819 |
break;
|
820 |
case 0xf6: /* GPIO Interrupt Status */ |
821 |
s->gpio_irq &= value; |
822 |
break;
|
823 |
case 0xf8: /* GPIO Pull-down Control */ |
824 |
s->gpio_pdown = value; |
825 |
break;
|
826 |
|
827 |
default:
|
828 |
fprintf(stderr, "%s: unknown register %02x\n", __FUNCTION__, reg);
|
829 |
break;
|
830 |
} |
831 |
} |
832 |
|
833 |
uint16_t s1d13745_read(void *opaque, int dc) |
834 |
{ |
835 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
836 |
uint16_t value = blizzard_reg_read(s, s->reg); |
837 |
|
838 |
if (s->swallow -- > 0) |
839 |
return 0; |
840 |
if (dc)
|
841 |
s->reg ++; |
842 |
|
843 |
return value;
|
844 |
} |
845 |
|
846 |
void s1d13745_write(void *opaque, int dc, uint16_t value) |
847 |
{ |
848 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
849 |
|
850 |
if (s->swallow -- > 0) |
851 |
return;
|
852 |
if (dc) {
|
853 |
blizzard_reg_write(s, s->reg, value); |
854 |
|
855 |
if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8) |
856 |
s->reg += 2;
|
857 |
} else
|
858 |
s->reg = value & 0xff;
|
859 |
} |
860 |
|
861 |
void s1d13745_write_block(void *opaque, int dc, |
862 |
void *buf, size_t len, int pitch) |
863 |
{ |
864 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
865 |
|
866 |
while (len > 0) { |
867 |
if (s->reg == 0x90 && dc && |
868 |
(s->data.len || blizzard_transfer_setup(s)) && |
869 |
len >= (s->data.len << 1)) {
|
870 |
len -= s->data.len << 1;
|
871 |
s->data.len = 0;
|
872 |
s->data.data = buf; |
873 |
if (pitch)
|
874 |
s->data.pitch = pitch; |
875 |
blizzard_window(s); |
876 |
s->data.data = s->data.buf; |
877 |
continue;
|
878 |
} |
879 |
|
880 |
s1d13745_write(opaque, dc, *(uint16_t *) buf); |
881 |
len -= 2;
|
882 |
buf += 2;
|
883 |
} |
884 |
|
885 |
return;
|
886 |
} |
887 |
|
888 |
static void blizzard_update_display(void *opaque) |
889 |
{ |
890 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
891 |
int y, bypp, bypl, bwidth;
|
892 |
uint8_t *src, *dst; |
893 |
|
894 |
if (!s->enable)
|
895 |
return;
|
896 |
|
897 |
if (s->x != s->state->width || s->y != s->state->height) {
|
898 |
s->invalidate = 1;
|
899 |
dpy_resize(s->state, s->x, s->y); |
900 |
} |
901 |
|
902 |
if (s->invalidate) {
|
903 |
s->invalidate = 0;
|
904 |
|
905 |
if (s->blank) {
|
906 |
bypp = (s->state->depth + 7) >> 3; |
907 |
memset(s->state->data, 0, bypp * s->x * s->y);
|
908 |
return;
|
909 |
} |
910 |
|
911 |
s->mx[0] = 0; |
912 |
s->mx[1] = s->x;
|
913 |
s->my[0] = 0; |
914 |
s->my[1] = s->y;
|
915 |
} |
916 |
|
917 |
if (s->mx[1] <= s->mx[0]) |
918 |
return;
|
919 |
|
920 |
bypp = (s->state->depth + 7) >> 3; |
921 |
bypl = bypp * s->x; |
922 |
bwidth = bypp * (s->mx[1] - s->mx[0]); |
923 |
y = s->my[0];
|
924 |
src = s->fb + bypl * y + bypp * s->mx[0];
|
925 |
dst = s->state->data + bypl * y + bypp * s->mx[0];
|
926 |
for (; y < s->my[1]; y ++, src += bypl, dst += bypl) |
927 |
memcpy(dst, src, bwidth); |
928 |
|
929 |
dpy_update(s->state, s->mx[0], s->my[0], |
930 |
s->mx[1] - s->mx[0], y - s->my[0]); |
931 |
|
932 |
s->mx[0] = s->x;
|
933 |
s->mx[1] = 0; |
934 |
s->my[0] = s->y;
|
935 |
s->my[1] = 0; |
936 |
} |
937 |
|
938 |
static void blizzard_screen_dump(void *opaque, const char *filename) { |
939 |
struct blizzard_s *s = (struct blizzard_s *) opaque; |
940 |
|
941 |
blizzard_update_display(opaque); |
942 |
if (s && s->state->data)
|
943 |
ppm_save(filename, s->state->data, s->x, s->y, s->state->linesize); |
944 |
} |
945 |
|
946 |
#define DEPTH 8 |
947 |
#include "blizzard_template.h" |
948 |
#define DEPTH 15 |
949 |
#include "blizzard_template.h" |
950 |
#define DEPTH 16 |
951 |
#include "blizzard_template.h" |
952 |
#define DEPTH 24 |
953 |
#include "blizzard_template.h" |
954 |
#define DEPTH 32 |
955 |
#include "blizzard_template.h" |
956 |
|
957 |
void *s1d13745_init(qemu_irq gpio_int, DisplayState *ds)
|
958 |
{ |
959 |
struct blizzard_s *s = (struct blizzard_s *) qemu_mallocz(sizeof(*s)); |
960 |
|
961 |
s->state = ds; |
962 |
s->fb = qemu_malloc(0x180000);
|
963 |
|
964 |
switch (s->state->depth) {
|
965 |
case 0: |
966 |
s->line_fn_tab[0] = s->line_fn_tab[1] = |
967 |
qemu_mallocz(sizeof(blizzard_fn_t) * 0x10); |
968 |
break;
|
969 |
case 8: |
970 |
s->line_fn_tab[0] = blizzard_draw_fn_8;
|
971 |
s->line_fn_tab[1] = blizzard_draw_fn_r_8;
|
972 |
break;
|
973 |
case 15: |
974 |
s->line_fn_tab[0] = blizzard_draw_fn_15;
|
975 |
s->line_fn_tab[1] = blizzard_draw_fn_r_15;
|
976 |
break;
|
977 |
case 16: |
978 |
s->line_fn_tab[0] = blizzard_draw_fn_16;
|
979 |
s->line_fn_tab[1] = blizzard_draw_fn_r_16;
|
980 |
break;
|
981 |
case 24: |
982 |
s->line_fn_tab[0] = blizzard_draw_fn_24;
|
983 |
s->line_fn_tab[1] = blizzard_draw_fn_r_24;
|
984 |
break;
|
985 |
case 32: |
986 |
s->line_fn_tab[0] = blizzard_draw_fn_32;
|
987 |
s->line_fn_tab[1] = blizzard_draw_fn_r_32;
|
988 |
break;
|
989 |
default:
|
990 |
fprintf(stderr, "%s: Bad color depth\n", __FUNCTION__);
|
991 |
exit(1);
|
992 |
} |
993 |
|
994 |
blizzard_reset(s); |
995 |
|
996 |
graphic_console_init(s->state, blizzard_update_display, |
997 |
blizzard_invalidate_display, blizzard_screen_dump, |
998 |
NULL, s);
|
999 |
|
1000 |
return s;
|
1001 |
} |