qemu/hw/display/cirrus_vga_internal.h

104 lines
3.8 KiB
C

/*
* QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
*
* Copyright (c) 2004 Fabrice Bellard
* Copyright (c) 2004 Makoto Suzuki (suzu)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef CIRRUS_VGA_INTERNAL_H
#define CIRRUS_VGA_INTERNAL_H
#include "vga_int.h"
/* IDs */
#define CIRRUS_ID_CLGD5422 (0x23 << 2)
#define CIRRUS_ID_CLGD5426 (0x24 << 2)
#define CIRRUS_ID_CLGD5424 (0x25 << 2)
#define CIRRUS_ID_CLGD5428 (0x26 << 2)
#define CIRRUS_ID_CLGD5430 (0x28 << 2)
#define CIRRUS_ID_CLGD5434 (0x2A << 2)
#define CIRRUS_ID_CLGD5436 (0x2B << 2)
#define CIRRUS_ID_CLGD5446 (0x2E << 2)
extern const VMStateDescription vmstate_cirrus_vga;
struct CirrusVGAState;
typedef void (*cirrus_bitblt_rop_t)(struct CirrusVGAState *s,
uint32_t dstaddr, uint32_t srcaddr,
int dstpitch, int srcpitch,
int bltwidth, int bltheight);
typedef struct CirrusVGAState {
VGACommonState vga;
MemoryRegion cirrus_vga_io;
MemoryRegion cirrus_linear_io;
MemoryRegion cirrus_linear_bitblt_io;
MemoryRegion cirrus_mmio_io;
MemoryRegion pci_bar;
bool linear_vram; /* vga.vram mapped over cirrus_linear_io */
MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */
MemoryRegion low_mem; /* always mapped, overridden by: */
MemoryRegion cirrus_bank[2]; /* aliases at 0xa0000-0xb0000 */
uint32_t cirrus_addr_mask;
uint32_t linear_mmio_mask;
uint8_t cirrus_shadow_gr0;
uint8_t cirrus_shadow_gr1;
uint8_t cirrus_hidden_dac_lockindex;
uint8_t cirrus_hidden_dac_data;
uint32_t cirrus_bank_base[2];
uint32_t cirrus_bank_limit[2];
uint8_t cirrus_hidden_palette[48];
bool enable_blitter;
int cirrus_blt_pixelwidth;
int cirrus_blt_width;
int cirrus_blt_height;
int cirrus_blt_dstpitch;
int cirrus_blt_srcpitch;
uint32_t cirrus_blt_fgcol;
uint32_t cirrus_blt_bgcol;
uint32_t cirrus_blt_dstaddr;
uint32_t cirrus_blt_srcaddr;
uint8_t cirrus_blt_mode;
uint8_t cirrus_blt_modeext;
cirrus_bitblt_rop_t cirrus_rop;
#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
uint8_t *cirrus_srcptr;
uint8_t *cirrus_srcptr_end;
uint32_t cirrus_srccounter;
/* hwcursor display state */
int last_hw_cursor_size;
int last_hw_cursor_x;
int last_hw_cursor_y;
int last_hw_cursor_y_start;
int last_hw_cursor_y_end;
int real_vram_size; /* XXX: suppress that */
int device_id;
int bustype;
} CirrusVGAState;
void cirrus_init_common(CirrusVGAState *s, Object *owner,
int device_id, int is_pci,
MemoryRegion *system_memory, MemoryRegion *system_io);
#endif