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/*
* QEMU internal VGA defines.
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* 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 HW_VGA_INT_H
#define HW_VGA_INT_H
#include "exec/ioport.h"
#include "exec/memory.h"
#include "ui/console.h"
#include "hw/display/bochs-vbe.h"
#define ST01_V_RETRACE 0x08
#define ST01_DISP_ENABLE 0x01
#define CH_ATTR_SIZE (160 * 100)
#define VGA_MAX_HEIGHT 2048
struct vga_precise_retrace {
int64_t ticks_per_char;
int64_t total_chars;
int htotal;
int hstart;
int hend;
int vstart;
int vend;
int freq;
};
union vga_retrace {
struct vga_precise_retrace precise;
};
struct VGACommonState;
typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
typedef struct VGACommonState {
MemoryRegion *legacy_address_space;
uint8_t *vram_ptr;
MemoryRegion vram;
MemoryRegion vram_vbe;
uint32_t vram_size;
uint32_t vram_size_mb; /* property */
uint32_t vbe_size;
uint32_t vbe_size_mask;
uint32_t latch;
bool has_chain4_alias;
MemoryRegion chain4_alias;
uint8_t sr_index;
uint8_t sr[256];
uint8_t sr_vbe[256];
uint8_t gr_index;
uint8_t gr[256];
uint8_t ar_index;
uint8_t ar[21];
int ar_flip_flop;
uint8_t cr_index;
uint8_t cr[256]; /* CRT registers */
uint8_t msr; /* Misc Output Register */
uint8_t fcr; /* Feature Control Register */
uint8_t st00; /* status 0 */
uint8_t st01; /* status 1 */
uint8_t dac_state;
uint8_t dac_sub_index;
uint8_t dac_read_index;
uint8_t dac_write_index;
uint8_t dac_cache[3]; /* used when writing */
int dac_8bit;
uint8_t palette[768];
int32_t bank_offset;
int (*get_bpp)(struct VGACommonState *s);
void (*get_offsets)(struct VGACommonState *s,
uint32_t *pline_offset,
uint32_t *pstart_addr,
uint32_t *pline_compare);
void (*get_resolution)(struct VGACommonState *s,
int *pwidth,
int *pheight);
PortioList vga_port_list;
PortioList vbe_port_list;
/* bochs vbe state */
uint16_t vbe_index;
uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
uint32_t vbe_start_addr;
uint32_t vbe_line_offset;
uint32_t vbe_bank_mask;
int vbe_mapped;
/* display refresh support */
QemuConsole *con;
uint32_t font_offsets[2];
int graphic_mode;
uint8_t shift_control;
uint8_t double_scan;
uint32_t line_offset;
uint32_t line_compare;
uint32_t start_addr;
uint32_t plane_updated;
uint32_t last_line_offset;
uint8_t last_cw, last_ch;
uint32_t last_width, last_height; /* in chars or pixels */
uint32_t last_scr_width, last_scr_height; /* in pixels */
uint32_t last_depth; /* in bits */
bool last_byteswap;
bool force_shadow;
uint8_t cursor_start, cursor_end;
bool cursor_visible_phase;
int64_t cursor_blink_time;
uint32_t cursor_offset;
const GraphicHwOps *hw_ops;
bool full_update_text;
bool full_update_gfx;
bool big_endian_fb;
bool default_endian_fb;
/* hardware mouse cursor support */
uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
uint32_t hw_cursor_x;
uint32_t hw_cursor_y;
void (*cursor_invalidate)(struct VGACommonState *s);
void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
/* tell for each page if it has been updated since the last time */
uint32_t last_palette[256];
uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
/* retrace */
vga_retrace_fn retrace;
vga_update_retrace_info_fn update_retrace_info;
union vga_retrace retrace_info;
uint8_t is_vbe_vmstate;
} VGACommonState;
static inline int c6_to_8(int v)
{
int b;
v &= 0x3f;
b = v & 1;
return (v << 2) | (b << 1) | b;
}
void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
MemoryRegion *address_space_io, bool init_vga_ports);
MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
const MemoryRegionPortio **vga_ports,
const MemoryRegionPortio **vbe_ports);
void vga_common_reset(VGACommonState *s);
void vga_sync_dirty_bitmap(VGACommonState *s);
void vga_dirty_log_start(VGACommonState *s);
void vga_dirty_log_stop(VGACommonState *s);
extern const VMStateDescription vmstate_vga_common;
uint32_t vga_ioport_read(void *opaque, uint32_t addr);
void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space);
uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
extern const uint8_t sr_mask[8];
extern const uint8_t gr_mask[16];
#define VGABIOS_FILENAME "vgabios.bin"
#define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
extern const MemoryRegionOps vga_mem_ops;
/* vga-pci.c */
void pci_std_vga_mmio_region_init(VGACommonState *s,
Object *owner,
MemoryRegion *parent,
MemoryRegion *subs,
bool qext);
#endif
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