mirror of https://gitee.com/openkylin/qemu.git
215 lines
7.4 KiB
C
215 lines
7.4 KiB
C
/*
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* QEMU internal VGA defines.
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_VGA_INT_H
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#define HW_VGA_INT_H 1
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#include <hw/hw.h>
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#include "qapi/error.h"
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#include "exec/memory.h"
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#define ST01_V_RETRACE 0x08
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#define ST01_DISP_ENABLE 0x01
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#define VBE_DISPI_MAX_XRES 16000
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#define VBE_DISPI_MAX_YRES 12000
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#define VBE_DISPI_MAX_BPP 32
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#define VBE_DISPI_INDEX_ID 0x0
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#define VBE_DISPI_INDEX_XRES 0x1
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#define VBE_DISPI_INDEX_YRES 0x2
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#define VBE_DISPI_INDEX_BPP 0x3
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#define VBE_DISPI_INDEX_ENABLE 0x4
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#define VBE_DISPI_INDEX_BANK 0x5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
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#define VBE_DISPI_INDEX_X_OFFSET 0x8
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#define VBE_DISPI_INDEX_Y_OFFSET 0x9
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#define VBE_DISPI_INDEX_NB 0xa /* size of vbe_regs[] */
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#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
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#define VBE_DISPI_ID0 0xB0C0
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#define VBE_DISPI_ID1 0xB0C1
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#define VBE_DISPI_ID2 0xB0C2
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#define VBE_DISPI_ID3 0xB0C3
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#define VBE_DISPI_ID4 0xB0C4
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#define VBE_DISPI_ID5 0xB0C5
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_GETCAPS 0x02
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#define VBE_DISPI_8BIT_DAC 0x20
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define VBE_DISPI_NOCLEARMEM 0x80
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#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
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#define CH_ATTR_SIZE (160 * 100)
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#define VGA_MAX_HEIGHT 2048
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struct vga_precise_retrace {
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int64_t ticks_per_char;
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int64_t total_chars;
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int htotal;
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int hstart;
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int hend;
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int vstart;
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int vend;
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int freq;
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};
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union vga_retrace {
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struct vga_precise_retrace precise;
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};
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struct VGACommonState;
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typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
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typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
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typedef struct VGACommonState {
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MemoryRegion *legacy_address_space;
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uint8_t *vram_ptr;
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MemoryRegion vram;
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MemoryRegion vram_vbe;
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uint32_t vram_size;
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uint32_t vram_size_mb; /* property */
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uint32_t latch;
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MemoryRegion *chain4_alias;
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uint8_t sr_index;
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uint8_t sr[256];
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uint8_t gr_index;
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uint8_t gr[256];
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uint8_t ar_index;
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uint8_t ar[21];
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int ar_flip_flop;
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uint8_t cr_index;
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uint8_t cr[256]; /* CRT registers */
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uint8_t msr; /* Misc Output Register */
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uint8_t fcr; /* Feature Control Register */
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uint8_t st00; /* status 0 */
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uint8_t st01; /* status 1 */
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uint8_t dac_state;
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uint8_t dac_sub_index;
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uint8_t dac_read_index;
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uint8_t dac_write_index;
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uint8_t dac_cache[3]; /* used when writing */
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int dac_8bit;
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uint8_t palette[768];
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int32_t bank_offset;
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int (*get_bpp)(struct VGACommonState *s);
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void (*get_offsets)(struct VGACommonState *s,
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uint32_t *pline_offset,
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uint32_t *pstart_addr,
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uint32_t *pline_compare);
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void (*get_resolution)(struct VGACommonState *s,
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int *pwidth,
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int *pheight);
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/* bochs vbe state */
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uint16_t vbe_index;
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uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
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uint32_t vbe_start_addr;
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uint32_t vbe_line_offset;
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uint32_t vbe_bank_mask;
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int vbe_mapped;
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/* display refresh support */
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QemuConsole *con;
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uint32_t font_offsets[2];
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int graphic_mode;
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uint8_t shift_control;
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uint8_t double_scan;
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uint32_t line_offset;
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uint32_t line_compare;
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uint32_t start_addr;
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uint32_t plane_updated;
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uint32_t last_line_offset;
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uint8_t last_cw, last_ch;
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uint32_t last_width, last_height; /* in chars or pixels */
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uint32_t last_scr_width, last_scr_height; /* in pixels */
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uint32_t last_depth; /* in bits */
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uint8_t cursor_start, cursor_end;
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bool cursor_visible_phase;
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int64_t cursor_blink_time;
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uint32_t cursor_offset;
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unsigned int (*rgb_to_pixel)(unsigned int r,
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unsigned int g, unsigned b);
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const GraphicHwOps *hw_ops;
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bool full_update_text;
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bool full_update_gfx;
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/* hardware mouse cursor support */
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uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
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void (*cursor_invalidate)(struct VGACommonState *s);
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void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
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/* tell for each page if it has been updated since the last time */
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uint32_t last_palette[256];
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uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
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/* retrace */
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vga_retrace_fn retrace;
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vga_update_retrace_info_fn update_retrace_info;
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union vga_retrace retrace_info;
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uint8_t is_vbe_vmstate;
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} VGACommonState;
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static inline int c6_to_8(int v)
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{
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int b;
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v &= 0x3f;
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b = v & 1;
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return (v << 2) | (b << 1) | b;
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}
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void vga_common_init(VGACommonState *s, Object *obj);
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void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
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MemoryRegion *address_space_io, bool init_vga_ports);
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MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
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const MemoryRegionPortio **vga_ports,
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const MemoryRegionPortio **vbe_ports);
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void vga_common_reset(VGACommonState *s);
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void vga_sync_dirty_bitmap(VGACommonState *s);
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void vga_dirty_log_start(VGACommonState *s);
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void vga_dirty_log_stop(VGACommonState *s);
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extern const VMStateDescription vmstate_vga_common;
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uint32_t vga_ioport_read(void *opaque, uint32_t addr);
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void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
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uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
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void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
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void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
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int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
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void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space);
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uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
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void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
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void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
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extern const uint8_t sr_mask[8];
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extern const uint8_t gr_mask[16];
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#define VGABIOS_FILENAME "vgabios.bin"
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#define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
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extern const MemoryRegionOps vga_mem_ops;
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#endif
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