root / hw / display / vga_int.h @ 380cd056
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/*
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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);
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void vga_init(VGACommonState *s, 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, |
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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, 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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