diff options
Diffstat (limited to 'hw/display/blizzard.c')
| -rw-r--r-- | hw/display/blizzard.c | 1026 |
1 files changed, 0 insertions, 1026 deletions
diff --git a/hw/display/blizzard.c b/hw/display/blizzard.c deleted file mode 100644 index 030abbe7d4..0000000000 --- a/hw/display/blizzard.c +++ /dev/null @@ -1,1026 +0,0 @@ -/* - * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller. - * - * Copyright (C) 2008 Nokia Corporation - * Written by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) version 3 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qemu/bitops.h" -#include "ui/console.h" -#include "hw/display/blizzard.h" -#include "ui/pixel_ops.h" - -typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int); - -typedef struct { - uint8_t reg; - uint32_t addr; - int swallow; - - int pll; - int pll_range; - int pll_ctrl; - uint8_t pll_mode; - uint8_t clksel; - int memenable; - int memrefresh; - uint8_t timing[3]; - int priority; - - uint8_t lcd_config; - int x; - int y; - int skipx; - int skipy; - uint8_t hndp; - uint8_t vndp; - uint8_t hsync; - uint8_t vsync; - uint8_t pclk; - uint8_t u; - uint8_t v; - uint8_t yrc[2]; - int ix[2]; - int iy[2]; - int ox[2]; - int oy[2]; - - int enable; - int blank; - int bpp; - int invalidate; - int mx[2]; - int my[2]; - uint8_t mode; - uint8_t effect; - uint8_t iformat; - uint8_t source; - QemuConsole *con; - blizzard_fn_t *line_fn_tab[2]; - void *fb; - - uint8_t hssi_config[3]; - uint8_t tv_config; - uint8_t tv_timing[4]; - uint8_t vbi; - uint8_t tv_x; - uint8_t tv_y; - uint8_t tv_test; - uint8_t tv_filter_config; - uint8_t tv_filter_idx; - uint8_t tv_filter_coeff[0x20]; - uint8_t border_r; - uint8_t border_g; - uint8_t border_b; - uint8_t gamma_config; - uint8_t gamma_idx; - uint8_t gamma_lut[0x100]; - uint8_t matrix_ena; - uint8_t matrix_coeff[0x12]; - uint8_t matrix_r; - uint8_t matrix_g; - uint8_t matrix_b; - uint8_t pm; - uint8_t status; - uint8_t rgbgpio_dir; - uint8_t rgbgpio; - uint8_t gpio_dir; - uint8_t gpio; - uint8_t gpio_edge[2]; - uint8_t gpio_irq; - uint8_t gpio_pdown; - - struct { - int x; - int y; - int dx; - int dy; - int len; - int buflen; - void *buf; - void *data; - uint16_t *ptr; - int angle; - int pitch; - blizzard_fn_t line_fn; - } data; -} BlizzardState; - -/* Bytes(!) per pixel */ -static const int blizzard_iformat_bpp[0x10] = { - 0, - 2, /* RGB 5:6:5*/ - 3, /* RGB 6:6:6 mode 1 */ - 3, /* RGB 8:8:8 mode 1 */ - 0, 0, - 4, /* RGB 6:6:6 mode 2 */ - 4, /* RGB 8:8:8 mode 2 */ - 0, /* YUV 4:2:2 */ - 0, /* YUV 4:2:0 */ - 0, 0, 0, 0, 0, 0, -}; - -static void blizzard_window(BlizzardState *s) -{ - DisplaySurface *surface = qemu_console_surface(s->con); - uint8_t *src, *dst; - int bypp[2]; - int bypl[3]; - int y; - blizzard_fn_t fn = s->data.line_fn; - - if (!fn) - return; - if (s->mx[0] > s->data.x) - s->mx[0] = s->data.x; - if (s->my[0] > s->data.y) - s->my[0] = s->data.y; - if (s->mx[1] < s->data.x + s->data.dx) - s->mx[1] = s->data.x + s->data.dx; - if (s->my[1] < s->data.y + s->data.dy) - s->my[1] = s->data.y + s->data.dy; - - bypp[0] = s->bpp; - bypp[1] = surface_bytes_per_pixel(surface); - bypl[0] = bypp[0] * s->data.pitch; - bypl[1] = bypp[1] * s->x; - bypl[2] = bypp[0] * s->data.dx; - - src = s->data.data; - dst = s->fb + bypl[1] * s->data.y + bypp[1] * s->data.x; - for (y = s->data.dy; y > 0; y --, src += bypl[0], dst += bypl[1]) - fn(dst, src, bypl[2]); -} - -static int blizzard_transfer_setup(BlizzardState *s) -{ - if (s->source > 3 || !s->bpp || - s->ix[1] < s->ix[0] || s->iy[1] < s->iy[0]) - return 0; - - s->data.angle = s->effect & 3; - s->data.line_fn = s->line_fn_tab[!!s->data.angle][s->iformat]; - s->data.x = s->ix[0]; - s->data.y = s->iy[0]; - s->data.dx = s->ix[1] - s->ix[0] + 1; - s->data.dy = s->iy[1] - s->iy[0] + 1; - s->data.len = s->bpp * s->data.dx * s->data.dy; - s->data.pitch = s->data.dx; - if (s->data.len > s->data.buflen) { - s->data.buf = g_realloc(s->data.buf, s->data.len); - s->data.buflen = s->data.len; - } - s->data.ptr = s->data.buf; - s->data.data = s->data.buf; - s->data.len /= 2; - return 1; -} - -static void blizzard_reset(BlizzardState *s) -{ - s->reg = 0; - s->swallow = 0; - - s->pll = 9; - s->pll_range = 1; - s->pll_ctrl = 0x14; - s->pll_mode = 0x32; - s->clksel = 0x00; - s->memenable = 0; - s->memrefresh = 0x25c; - s->timing[0] = 0x3f; - s->timing[1] = 0x13; - s->timing[2] = 0x21; - s->priority = 0; - - s->lcd_config = 0x74; - s->x = 8; - s->y = 1; - s->skipx = 0; - s->skipy = 0; - s->hndp = 3; - s->vndp = 2; - s->hsync = 1; - s->vsync = 1; - s->pclk = 0x80; - - s->ix[0] = 0; - s->ix[1] = 0; - s->iy[0] = 0; - s->iy[1] = 0; - s->ox[0] = 0; - s->ox[1] = 0; - s->oy[0] = 0; - s->oy[1] = 0; - - s->yrc[0] = 0x00; - s->yrc[1] = 0x30; - s->u = 0; - s->v = 0; - - s->iformat = 3; - s->source = 0; - s->bpp = blizzard_iformat_bpp[s->iformat]; - - s->hssi_config[0] = 0x00; - s->hssi_config[1] = 0x00; - s->hssi_config[2] = 0x01; - s->tv_config = 0x00; - s->tv_timing[0] = 0x00; - s->tv_timing[1] = 0x00; - s->tv_timing[2] = 0x00; - s->tv_timing[3] = 0x00; - s->vbi = 0x10; - s->tv_x = 0x14; - s->tv_y = 0x03; - s->tv_test = 0x00; - s->tv_filter_config = 0x80; - s->tv_filter_idx = 0x00; - s->border_r = 0x10; - s->border_g = 0x80; - s->border_b = 0x80; - s->gamma_config = 0x00; - s->gamma_idx = 0x00; - s->matrix_ena = 0x00; - memset(&s->matrix_coeff, 0, sizeof(s->matrix_coeff)); - s->matrix_r = 0x00; - s->matrix_g = 0x00; - s->matrix_b = 0x00; - s->pm = 0x02; - s->status = 0x00; - s->rgbgpio_dir = 0x00; - s->gpio_dir = 0x00; - s->gpio_edge[0] = 0x00; - s->gpio_edge[1] = 0x00; - s->gpio_irq = 0x00; - s->gpio_pdown = 0xff; -} - -static inline void blizzard_invalidate_display(void *opaque) { - BlizzardState *s = (BlizzardState *) opaque; - - s->invalidate = 1; -} - -static uint16_t blizzard_reg_read(void *opaque, uint8_t reg) -{ - BlizzardState *s = (BlizzardState *) opaque; - - switch (reg) { - case 0x00: /* Revision Code */ - return 0xa5; - - case 0x02: /* Configuration Readback */ - return 0x83; /* Macrovision OK, CNF[2:0] = 3 */ - - case 0x04: /* PLL M-Divider */ - return (s->pll - 1) | (1 << 7); - case 0x06: /* PLL Lock Range Control */ - return s->pll_range; - case 0x08: /* PLL Lock Synthesis Control 0 */ - return s->pll_ctrl & 0xff; - case 0x0a: /* PLL Lock Synthesis Control 1 */ - return s->pll_ctrl >> 8; - case 0x0c: /* PLL Mode Control 0 */ - return s->pll_mode; - - case 0x0e: /* Clock-Source Select */ - return s->clksel; - - case 0x10: /* Memory Controller Activate */ - case 0x14: /* Memory Controller Bank 0 Status Flag */ - return s->memenable; - - case 0x18: /* Auto-Refresh Interval Setting 0 */ - return s->memrefresh & 0xff; - case 0x1a: /* Auto-Refresh Interval Setting 1 */ - return s->memrefresh >> 8; - - case 0x1c: /* Power-On Sequence Timing Control */ - return s->timing[0]; - case 0x1e: /* Timing Control 0 */ - return s->timing[1]; - case 0x20: /* Timing Control 1 */ - return s->timing[2]; - - case 0x24: /* Arbitration Priority Control */ - return s->priority; - - case 0x28: /* LCD Panel Configuration */ - return s->lcd_config; - - case 0x2a: /* LCD Horizontal Display Width */ - return s->x >> 3; - case 0x2c: /* LCD Horizontal Non-display Period */ - return s->hndp; - case 0x2e: /* LCD Vertical Display Height 0 */ - return s->y & 0xff; - case 0x30: /* LCD Vertical Display Height 1 */ - return s->y >> 8; - case 0x32: /* LCD Vertical Non-display Period */ - return s->vndp; - case 0x34: /* LCD HS Pulse-width */ - return s->hsync; - case 0x36: /* LCd HS Pulse Start Position */ - return s->skipx >> 3; - case 0x38: /* LCD VS Pulse-width */ - return s->vsync; - case 0x3a: /* LCD VS Pulse Start Position */ - return s->skipy; - - case 0x3c: /* PCLK Polarity */ - return s->pclk; - - case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ - return s->hssi_config[0]; - case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ - return s->hssi_config[1]; - case 0x42: /* High-speed Serial Interface Tx Mode */ - return s->hssi_config[2]; - case 0x44: /* TV Display Configuration */ - return s->tv_config; - case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits */ - return s->tv_timing[(reg - 0x46) >> 1]; - case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ - return s->vbi; - case 0x50: /* TV Horizontal Start Position */ - return s->tv_x; - case 0x52: /* TV Vertical Start Position */ - return s->tv_y; - case 0x54: /* TV Test Pattern Setting */ - return s->tv_test; - case 0x56: /* TV Filter Setting */ - return s->tv_filter_config; - case 0x58: /* TV Filter Coefficient Index */ - return s->tv_filter_idx; - case 0x5a: /* TV Filter Coefficient Data */ - if (s->tv_filter_idx < 0x20) - return s->tv_filter_coeff[s->tv_filter_idx ++]; - return 0; - - case 0x60: /* Input YUV/RGB Translate Mode 0 */ - return s->yrc[0]; - case 0x62: /* Input YUV/RGB Translate Mode 1 */ - return s->yrc[1]; - case 0x64: /* U Data Fix */ - return s->u; - case 0x66: /* V Data Fix */ - return s->v; - - case 0x68: /* Display Mode */ - return s->mode; - - case 0x6a: /* Special Effects */ - return s->effect; - - case 0x6c: /* Input Window X Start Position 0 */ - return s->ix[0] & 0xff; - case 0x6e: /* Input Window X Start Position 1 */ - return s->ix[0] >> 3; - case 0x70: /* Input Window Y Start Position 0 */ - return s->ix[0] & 0xff; - case 0x72: /* Input Window Y Start Position 1 */ - return s->ix[0] >> 3; - case 0x74: /* Input Window X End Position 0 */ - return s->ix[1] & 0xff; - case 0x76: /* Input Window X End Position 1 */ - return s->ix[1] >> 3; - case 0x78: /* Input Window Y End Position 0 */ - return s->ix[1] & 0xff; - case 0x7a: /* Input Window Y End Position 1 */ - return s->ix[1] >> 3; - case 0x7c: /* Output Window X Start Position 0 */ - return s->ox[0] & 0xff; - case 0x7e: /* Output Window X Start Position 1 */ - return s->ox[0] >> 3; - case 0x80: /* Output Window Y Start Position 0 */ - return s->oy[0] & 0xff; - case 0x82: /* Output Window Y Start Position 1 */ - return s->oy[0] >> 3; - case 0x84: /* Output Window X End Position 0 */ - return s->ox[1] & 0xff; - case 0x86: /* Output Window X End Position 1 */ - return s->ox[1] >> 3; - case 0x88: /* Output Window Y End Position 0 */ - return s->oy[1] & 0xff; - case 0x8a: /* Output Window Y End Position 1 */ - return s->oy[1] >> 3; - - case 0x8c: /* Input Data Format */ - return s->iformat; - case 0x8e: /* Data Source Select */ - return s->source; - case 0x90: /* Display Memory Data Port */ - return 0; - - case 0xa8: /* Border Color 0 */ - return s->border_r; - case 0xaa: /* Border Color 1 */ - return s->border_g; - case 0xac: /* Border Color 2 */ - return s->border_b; - - case 0xb4: /* Gamma Correction Enable */ - return s->gamma_config; - case 0xb6: /* Gamma Correction Table Index */ - return s->gamma_idx; - case 0xb8: /* Gamma Correction Table Data */ - return s->gamma_lut[s->gamma_idx ++]; - - case 0xba: /* 3x3 Matrix Enable */ - return s->matrix_ena; - case 0xbc ... 0xde: /* Coefficient Registers */ - return s->matrix_coeff[(reg - 0xbc) >> 1]; - case 0xe0: /* 3x3 Matrix Red Offset */ - return s->matrix_r; - case 0xe2: /* 3x3 Matrix Green Offset */ - return s->matrix_g; - case 0xe4: /* 3x3 Matrix Blue Offset */ - return s->matrix_b; - - case 0xe6: /* Power-save */ - return s->pm; - case 0xe8: /* Non-display Period Control / Status */ - return s->status | (1 << 5); - case 0xea: /* RGB Interface Control */ - return s->rgbgpio_dir; - case 0xec: /* RGB Interface Status */ - return s->rgbgpio; - case 0xee: /* General-purpose IO Pins Configuration */ - return s->gpio_dir; - case 0xf0: /* General-purpose IO Pins Status / Control */ - return s->gpio; - case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ - return s->gpio_edge[0]; - case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ - return s->gpio_edge[1]; - case 0xf6: /* GPIO Interrupt Status */ - return s->gpio_irq; - case 0xf8: /* GPIO Pull-down Control */ - return s->gpio_pdown; - - default: - fprintf(stderr, "%s: unknown register %02x\n", __func__, reg); - return 0; - } -} - -static void blizzard_reg_write(void *opaque, uint8_t reg, uint16_t value) -{ - BlizzardState *s = (BlizzardState *) opaque; - - switch (reg) { - case 0x04: /* PLL M-Divider */ - s->pll = (value & 0x3f) + 1; - break; - case 0x06: /* PLL Lock Range Control */ - s->pll_range = value & 3; - break; - case 0x08: /* PLL Lock Synthesis Control 0 */ - s->pll_ctrl &= 0xf00; - s->pll_ctrl |= (value << 0) & 0x0ff; - break; - case 0x0a: /* PLL Lock Synthesis Control 1 */ - s->pll_ctrl &= 0x0ff; - s->pll_ctrl |= (value << 8) & 0xf00; - break; - case 0x0c: /* PLL Mode Control 0 */ - s->pll_mode = value & 0x77; - if ((value & 3) == 0 || (value & 3) == 3) - fprintf(stderr, "%s: wrong PLL Control bits (%i)\n", - __func__, value & 3); - break; - - case 0x0e: /* Clock-Source Select */ - s->clksel = value & 0xff; - break; - - case 0x10: /* Memory Controller Activate */ - s->memenable = value & 1; - break; - case 0x14: /* Memory Controller Bank 0 Status Flag */ - break; - - case 0x18: /* Auto-Refresh Interval Setting 0 */ - s->memrefresh &= 0xf00; - s->memrefresh |= (value << 0) & 0x0ff; - break; - case 0x1a: /* Auto-Refresh Interval Setting 1 */ - s->memrefresh &= 0x0ff; - s->memrefresh |= (value << 8) & 0xf00; - break; - - case 0x1c: /* Power-On Sequence Timing Control */ - s->timing[0] = value & 0x7f; - break; - case 0x1e: /* Timing Control 0 */ - s->timing[1] = value & 0x17; - break; - case 0x20: /* Timing Control 1 */ - s->timing[2] = value & 0x35; - break; - - case 0x24: /* Arbitration Priority Control */ - s->priority = value & 1; - break; - - case 0x28: /* LCD Panel Configuration */ - s->lcd_config = value & 0xff; - if (value & (1 << 7)) - fprintf(stderr, "%s: data swap not supported!\n", __func__); - break; - - case 0x2a: /* LCD Horizontal Display Width */ - s->x = value << 3; - break; - case 0x2c: /* LCD Horizontal Non-display Period */ - s->hndp = value & 0xff; - break; - case 0x2e: /* LCD Vertical Display Height 0 */ - s->y &= 0x300; - s->y |= (value << 0) & 0x0ff; - break; - case 0x30: /* LCD Vertical Display Height 1 */ - s->y &= 0x0ff; - s->y |= (value << 8) & 0x300; - break; - case 0x32: /* LCD Vertical Non-display Period */ - s->vndp = value & 0xff; - break; - case 0x34: /* LCD HS Pulse-width */ - s->hsync = value & 0xff; - break; - case 0x36: /* LCD HS Pulse Start Position */ - s->skipx = value & 0xff; - break; - case 0x38: /* LCD VS Pulse-width */ - s->vsync = value & 0xbf; - break; - case 0x3a: /* LCD VS Pulse Start Position */ - s->skipy = value & 0xff; - break; - - case 0x3c: /* PCLK Polarity */ - s->pclk = value & 0x82; - /* Affects calculation of s->hndp, s->hsync and s->skipx. */ - break; - - case 0x3e: /* High-speed Serial Interface Tx Configuration Port 0 */ - s->hssi_config[0] = value; - break; - case 0x40: /* High-speed Serial Interface Tx Configuration Port 1 */ - s->hssi_config[1] = value; - if (((value >> 4) & 3) == 3) - fprintf(stderr, "%s: Illegal active-data-links value\n", - __func__); - break; - case 0x42: /* High-speed Serial Interface Tx Mode */ - s->hssi_config[2] = value & 0xbd; - break; - - case 0x44: /* TV Display Configuration */ - s->tv_config = value & 0xfe; - break; - case 0x46 ... 0x4c: /* TV Vertical Blanking Interval Data bits 0 */ - s->tv_timing[(reg - 0x46) >> 1] = value; - break; - case 0x4e: /* VBI: Closed Caption / XDS Control / Status */ - s->vbi = value; - break; - case 0x50: /* TV Horizontal Start Position */ - s->tv_x = value; - break; - case 0x52: /* TV Vertical Start Position */ - s->tv_y = value & 0x7f; - break; - case 0x54: /* TV Test Pattern Setting */ - s->tv_test = value; - break; - case 0x56: /* TV Filter Setting */ - s->tv_filter_config = value & 0xbf; - break; - case 0x58: /* TV Filter Coefficient Index */ - s->tv_filter_idx = value & 0x1f; - break; - case 0x5a: /* TV Filter Coefficient Data */ - if (s->tv_filter_idx < 0x20) - s->tv_filter_coeff[s->tv_filter_idx ++] = value; - break; - - case 0x60: /* Input YUV/RGB Translate Mode 0 */ - s->yrc[0] = value & 0xb0; - break; - case 0x62: /* Input YUV/RGB Translate Mode 1 */ - s->yrc[1] = value & 0x30; - break; - case 0x64: /* U Data Fix */ - s->u = value & 0xff; - break; - case 0x66: /* V Data Fix */ - s->v = value & 0xff; - break; - - case 0x68: /* Display Mode */ - if ((s->mode ^ value) & 3) - s->invalidate = 1; - s->mode = value & 0xb7; - s->enable = value & 1; - s->blank = (value >> 1) & 1; - if (value & (1 << 4)) - fprintf(stderr, "%s: Macrovision enable attempt!\n", __func__); - break; - - case 0x6a: /* Special Effects */ - s->effect = value & 0xfb; - break; - - case 0x6c: /* Input Window X Start Position 0 */ - s->ix[0] &= 0x300; - s->ix[0] |= (value << 0) & 0x0ff; - break; - case 0x6e: /* Input Window X Start Position 1 */ - s->ix[0] &= 0x0ff; - s->ix[0] |= (value << 8) & 0x300; - break; - case 0x70: /* Input Window Y Start Position 0 */ - s->iy[0] &= 0x300; - s->iy[0] |= (value << 0) & 0x0ff; - break; - case 0x72: /* Input Window Y Start Position 1 */ - s->iy[0] &= 0x0ff; - s->iy[0] |= (value << 8) & 0x300; - break; - case 0x74: /* Input Window X End Position 0 */ - s->ix[1] &= 0x300; - s->ix[1] |= (value << 0) & 0x0ff; - break; - case 0x76: /* Input Window X End Position 1 */ - s->ix[1] &= 0x0ff; - s->ix[1] |= (value << 8) & 0x300; - break; - case 0x78: /* Input Window Y End Position 0 */ - s->iy[1] &= 0x300; - s->iy[1] |= (value << 0) & 0x0ff; - break; - case 0x7a: /* Input Window Y End Position 1 */ - s->iy[1] &= 0x0ff; - s->iy[1] |= (value << 8) & 0x300; - break; - case 0x7c: /* Output Window X Start Position 0 */ - s->ox[0] &= 0x300; - s->ox[0] |= (value << 0) & 0x0ff; - break; - case 0x7e: /* Output Window X Start Position 1 */ - s->ox[0] &= 0x0ff; - s->ox[0] |= (value << 8) & 0x300; - break; - case 0x80: /* Output Window Y Start Position 0 */ - s->oy[0] &= 0x300; - s->oy[0] |= (value << 0) & 0x0ff; - break; - case 0x82: /* Output Window Y Start Position 1 */ - s->oy[0] &= 0x0ff; - s->oy[0] |= (value << 8) & 0x300; - break; - case 0x84: /* Output Window X End Position 0 */ - s->ox[1] &= 0x300; - s->ox[1] |= (value << 0) & 0x0ff; - break; - case 0x86: /* Output Window X End Position 1 */ - s->ox[1] &= 0x0ff; - s->ox[1] |= (value << 8) & 0x300; - break; - case 0x88: /* Output Window Y End Position 0 */ - s->oy[1] &= 0x300; - s->oy[1] |= (value << 0) & 0x0ff; - break; - case 0x8a: /* Output Window Y End Position 1 */ - s->oy[1] &= 0x0ff; - s->oy[1] |= (value << 8) & 0x300; - break; - - case 0x8c: /* Input Data Format */ - s->iformat = value & 0xf; - s->bpp = blizzard_iformat_bpp[s->iformat]; - if (!s->bpp) - fprintf(stderr, "%s: Illegal or unsupported input format %x\n", - __func__, s->iformat); - break; - case 0x8e: /* Data Source Select */ - s->source = value & 7; - /* Currently all windows will be "destructive overlays". */ - if ((!(s->effect & (1 << 3)) && (s->ix[0] != s->ox[0] || - s->iy[0] != s->oy[0] || - s->ix[1] != s->ox[1] || - s->iy[1] != s->oy[1])) || - !((s->ix[1] - s->ix[0]) & (s->iy[1] - s->iy[0]) & - (s->ox[1] - s->ox[0]) & (s->oy[1] - s->oy[0]) & 1)) - fprintf(stderr, "%s: Illegal input/output window positions\n", - __func__); - - blizzard_transfer_setup(s); - break; - - case 0x90: /* Display Memory Data Port */ - if (!s->data.len && !blizzard_transfer_setup(s)) - break; - - *s->data.ptr ++ = value; - if (-- s->data.len == 0) - blizzard_window(s); - break; - - case 0xa8: /* Border Color 0 */ - s->border_r = value; - break; - case 0xaa: /* Border Color 1 */ - s->border_g = value; - break; - case 0xac: /* Border Color 2 */ - s->border_b = value; - break; - - case 0xb4: /* Gamma Correction Enable */ - s->gamma_config = value & 0x87; - break; - case 0xb6: /* Gamma Correction Table Index */ - s->gamma_idx = value; - break; - case 0xb8: /* Gamma Correction Table Data */ - s->gamma_lut[s->gamma_idx ++] = value; - break; - - case 0xba: /* 3x3 Matrix Enable */ - s->matrix_ena = value & 1; - break; - case 0xbc ... 0xde: /* Coefficient Registers */ - s->matrix_coeff[(reg - 0xbc) >> 1] = value & ((reg & 2) ? 0x80 : 0xff); - break; - case 0xe0: /* 3x3 Matrix Red Offset */ - s->matrix_r = value; - break; - case 0xe2: /* 3x3 Matrix Green Offset */ - s->matrix_g = value; - break; - case 0xe4: /* 3x3 Matrix Blue Offset */ - s->matrix_b = value; - break; - - case 0xe6: /* Power-save */ - s->pm = value & 0x83; - if (value & s->mode & 1) - fprintf(stderr, "%s: The display must be disabled before entering " - "Standby Mode\n", __func__); - break; - case 0xe8: /* Non-display Period Control / Status */ - s->status = value & 0x1b; - break; - case 0xea: /* RGB Interface Control */ - s->rgbgpio_dir = value & 0x8f; - break; - case 0xec: /* RGB Interface Status */ - s->rgbgpio = value & 0xcf; - break; - case 0xee: /* General-purpose IO Pins Configuration */ - s->gpio_dir = value; - break; - case 0xf0: /* General-purpose IO Pins Status / Control */ - s->gpio = value; - break; - case 0xf2: /* GPIO Positive Edge Interrupt Trigger */ - s->gpio_edge[0] = value; - break; - case 0xf4: /* GPIO Negative Edge Interrupt Trigger */ - s->gpio_edge[1] = value; - break; - case 0xf6: /* GPIO Interrupt Status */ - s->gpio_irq &= value; - break; - case 0xf8: /* GPIO Pull-down Control */ - s->gpio_pdown = value; - break; - - default: - fprintf(stderr, "%s: unknown register %02x\n", __func__, reg); - break; - } -} - -uint16_t s1d13745_read(void *opaque, int dc) -{ - BlizzardState *s = (BlizzardState *) opaque; - uint16_t value = blizzard_reg_read(s, s->reg); - - if (s->swallow -- > 0) - return 0; - if (dc) - s->reg ++; - - return value; -} - -void s1d13745_write(void *opaque, int dc, uint16_t value) -{ - BlizzardState *s = (BlizzardState *) opaque; - - if (s->swallow -- > 0) - return; - if (dc) { - blizzard_reg_write(s, s->reg, value); - - if (s->reg != 0x90 && s->reg != 0x5a && s->reg != 0xb8) - s->reg += 2; - } else - s->reg = value & 0xff; -} - -void s1d13745_write_block(void *opaque, int dc, - void *buf, size_t len, int pitch) -{ - BlizzardState *s = (BlizzardState *) opaque; - - while (len > 0) { - if (s->reg == 0x90 && dc && - (s->data.len || blizzard_transfer_setup(s)) && - len >= (s->data.len << 1)) { - len -= s->data.len << 1; - s->data.len = 0; - s->data.data = buf; - if (pitch) - s->data.pitch = pitch; - blizzard_window(s); - s->data.data = s->data.buf; - continue; - } - - s1d13745_write(opaque, dc, *(uint16_t *) buf); - len -= 2; - buf += 2; - } -} - -static void blizzard_update_display(void *opaque) -{ - BlizzardState *s = (BlizzardState *) opaque; - DisplaySurface *surface = qemu_console_surface(s->con); - int y, bypp, bypl, bwidth; - uint8_t *src, *dst; - - if (!s->enable) - return; - - if (s->x != surface_width(surface) || s->y != surface_height(surface)) { - s->invalidate = 1; - qemu_console_resize(s->con, s->x, s->y); - surface = qemu_console_surface(s->con); - } - - if (s->invalidate) { - s->invalidate = 0; - - if (s->blank) { - bypp = surface_bytes_per_pixel(surface); - memset(surface_data(surface), 0, bypp * s->x * s->y); - return; - } - - s->mx[0] = 0; - s->mx[1] = s->x; - s->my[0] = 0; - s->my[1] = s->y; - } - - if (s->mx[1] <= s->mx[0]) - return; - - bypp = surface_bytes_per_pixel(surface); - bypl = bypp * s->x; - bwidth = bypp * (s->mx[1] - s->mx[0]); - y = s->my[0]; - src = s->fb + bypl * y + bypp * s->mx[0]; - dst = surface_data(surface) + bypl * y + bypp * s->mx[0]; - for (; y < s->my[1]; y ++, src += bypl, dst += bypl) - memcpy(dst, src, bwidth); - - dpy_gfx_update(s->con, s->mx[0], s->my[0], - s->mx[1] - s->mx[0], y - s->my[0]); - - s->mx[0] = s->x; - s->mx[1] = 0; - s->my[0] = s->y; - s->my[1] = 0; -} - -static void blizzard_draw_line16_32(uint32_t *dest, - const uint16_t *src, unsigned int width) -{ - uint16_t data; - unsigned int r, g, b; - const uint16_t *end = (const void *) src + width; - while (src < end) { - data = *src ++; - b = extract16(data, 0, 5) << 3; - g = extract16(data, 5, 6) << 2; - r = extract16(data, 11, 5) << 3; - *dest++ = rgb_to_pixel32(r, g, b); - } -} - -static void blizzard_draw_line24mode1_32(uint32_t *dest, - const uint8_t *src, unsigned int width) -{ - /* TODO: check if SDL 24-bit planes are not in the same format and - * if so, use memcpy */ - unsigned int r[2], g[2], b[2]; - const uint8_t *end = src + width; - while (src < end) { - g[0] = *src ++; - r[0] = *src ++; - r[1] = *src ++; - b[0] = *src ++; - *dest++ = rgb_to_pixel32(r[0], g[0], b[0]); - b[1] = *src ++; - g[1] = *src ++; - *dest++ = rgb_to_pixel32(r[1], g[1], b[1]); - } -} - -static void blizzard_draw_line24mode2_32(uint32_t *dest, - const uint8_t *src, unsigned int width) -{ - unsigned int r, g, b; - const uint8_t *end = src + width; - while (src < end) { - r = *src ++; - src ++; - b = *src ++; - g = *src ++; - *dest++ = rgb_to_pixel32(r, g, b); - } -} - -/* No rotation */ -static blizzard_fn_t blizzard_draw_fn_32[0x10] = { - NULL, - /* RGB 5:6:5*/ - (blizzard_fn_t) blizzard_draw_line16_32, - /* RGB 6:6:6 mode 1 */ - (blizzard_fn_t) blizzard_draw_line24mode1_32, - /* RGB 8:8:8 mode 1 */ - (blizzard_fn_t) blizzard_draw_line24mode1_32, - NULL, NULL, - /* RGB 6:6:6 mode 2 */ - (blizzard_fn_t) blizzard_draw_line24mode2_32, - /* RGB 8:8:8 mode 2 */ - (blizzard_fn_t) blizzard_draw_line24mode2_32, - /* YUV 4:2:2 */ - NULL, - /* YUV 4:2:0 */ - NULL, - NULL, NULL, NULL, NULL, NULL, NULL, -}; - -/* 90deg, 180deg and 270deg rotation */ -static blizzard_fn_t blizzard_draw_fn_r_32[0x10] = { - /* TODO */ - [0 ... 0xf] = NULL, -}; - -static const GraphicHwOps blizzard_ops = { - .invalidate = blizzard_invalidate_display, - .gfx_update = blizzard_update_display, -}; - -void *s1d13745_init(qemu_irq gpio_int) -{ - BlizzardState *s = g_malloc0(sizeof(*s)); - DisplaySurface *surface; - - s->fb = g_malloc(0x180000); - - s->con = graphic_console_init(NULL, 0, &blizzard_ops, s); - surface = qemu_console_surface(s->con); - - assert(surface_bits_per_pixel(surface) == 32); - - s->line_fn_tab[0] = blizzard_draw_fn_32; - s->line_fn_tab[1] = blizzard_draw_fn_r_32; - - blizzard_reset(s); - - return s; -} |