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24#ifndef HW_VGA_INT_H
25#define HW_VGA_INT_H 1
26
27#include <hw/hw.h>
28#include "exec/memory.h"
29
30#define ST01_V_RETRACE 0x08
31#define ST01_DISP_ENABLE 0x01
32
33#define VBE_DISPI_MAX_XRES 16000
34#define VBE_DISPI_MAX_YRES 12000
35#define VBE_DISPI_MAX_BPP 32
36
37#define VBE_DISPI_INDEX_ID 0x0
38#define VBE_DISPI_INDEX_XRES 0x1
39#define VBE_DISPI_INDEX_YRES 0x2
40#define VBE_DISPI_INDEX_BPP 0x3
41#define VBE_DISPI_INDEX_ENABLE 0x4
42#define VBE_DISPI_INDEX_BANK 0x5
43#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
44#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
45#define VBE_DISPI_INDEX_X_OFFSET 0x8
46#define VBE_DISPI_INDEX_Y_OFFSET 0x9
47#define VBE_DISPI_INDEX_NB 0xa
48#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
49
50#define VBE_DISPI_ID0 0xB0C0
51#define VBE_DISPI_ID1 0xB0C1
52#define VBE_DISPI_ID2 0xB0C2
53#define VBE_DISPI_ID3 0xB0C3
54#define VBE_DISPI_ID4 0xB0C4
55#define VBE_DISPI_ID5 0xB0C5
56
57#define VBE_DISPI_DISABLED 0x00
58#define VBE_DISPI_ENABLED 0x01
59#define VBE_DISPI_GETCAPS 0x02
60#define VBE_DISPI_8BIT_DAC 0x20
61#define VBE_DISPI_LFB_ENABLED 0x40
62#define VBE_DISPI_NOCLEARMEM 0x80
63
64#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
65
66#define CH_ATTR_SIZE (160 * 100)
67#define VGA_MAX_HEIGHT 2048
68
69struct vga_precise_retrace {
70 int64_t ticks_per_char;
71 int64_t total_chars;
72 int htotal;
73 int hstart;
74 int hend;
75 int vstart;
76 int vend;
77 int freq;
78};
79
80union vga_retrace {
81 struct vga_precise_retrace precise;
82};
83
84struct VGACommonState;
85typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
86typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
87
88typedef struct VGACommonState {
89 MemoryRegion *legacy_address_space;
90 uint8_t *vram_ptr;
91 MemoryRegion vram;
92 MemoryRegion vram_vbe;
93 uint32_t vram_size;
94 uint32_t vram_size_mb;
95 uint32_t vbe_size;
96 uint32_t latch;
97 bool has_chain4_alias;
98 MemoryRegion chain4_alias;
99 uint8_t sr_index;
100 uint8_t sr[256];
101 uint8_t sr_vbe[256];
102 uint8_t gr_index;
103 uint8_t gr[256];
104 uint8_t ar_index;
105 uint8_t ar[21];
106 int ar_flip_flop;
107 uint8_t cr_index;
108 uint8_t cr[256];
109 uint8_t msr;
110 uint8_t fcr;
111 uint8_t st00;
112 uint8_t st01;
113 uint8_t dac_state;
114 uint8_t dac_sub_index;
115 uint8_t dac_read_index;
116 uint8_t dac_write_index;
117 uint8_t dac_cache[3];
118 int dac_8bit;
119 uint8_t palette[768];
120 int32_t bank_offset;
121 int (*get_bpp)(struct VGACommonState *s);
122 void (*get_offsets)(struct VGACommonState *s,
123 uint32_t *pline_offset,
124 uint32_t *pstart_addr,
125 uint32_t *pline_compare);
126 void (*get_resolution)(struct VGACommonState *s,
127 int *pwidth,
128 int *pheight);
129 PortioList vga_port_list;
130 PortioList vbe_port_list;
131
132 uint16_t vbe_index;
133 uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
134 uint32_t vbe_start_addr;
135 uint32_t vbe_line_offset;
136 uint32_t vbe_bank_mask;
137 int vbe_mapped;
138
139 QemuConsole *con;
140 uint32_t font_offsets[2];
141 int graphic_mode;
142 uint8_t shift_control;
143 uint8_t double_scan;
144 uint32_t line_offset;
145 uint32_t line_compare;
146 uint32_t start_addr;
147 uint32_t plane_updated;
148 uint32_t last_line_offset;
149 uint8_t last_cw, last_ch;
150 uint32_t last_width, last_height;
151 uint32_t last_scr_width, last_scr_height;
152 uint32_t last_depth;
153 bool last_byteswap;
154 bool force_shadow;
155 uint8_t cursor_start, cursor_end;
156 bool cursor_visible_phase;
157 int64_t cursor_blink_time;
158 uint32_t cursor_offset;
159 const GraphicHwOps *hw_ops;
160 bool full_update_text;
161 bool full_update_gfx;
162 bool big_endian_fb;
163 bool default_endian_fb;
164
165 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
166 uint32_t hw_cursor_x;
167 uint32_t hw_cursor_y;
168 void (*cursor_invalidate)(struct VGACommonState *s);
169 void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
170
171 uint32_t last_palette[256];
172 uint32_t last_ch_attr[CH_ATTR_SIZE];
173
174 vga_retrace_fn retrace;
175 vga_update_retrace_info_fn update_retrace_info;
176 union vga_retrace retrace_info;
177 uint8_t is_vbe_vmstate;
178} VGACommonState;
179
180static inline int c6_to_8(int v)
181{
182 int b;
183 v &= 0x3f;
184 b = v & 1;
185 return (v << 2) | (b << 1) | b;
186}
187
188void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
189void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
190 MemoryRegion *address_space_io, bool init_vga_ports);
191MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
192 const MemoryRegionPortio **vga_ports,
193 const MemoryRegionPortio **vbe_ports);
194void vga_common_reset(VGACommonState *s);
195
196void vga_sync_dirty_bitmap(VGACommonState *s);
197void vga_dirty_log_start(VGACommonState *s);
198void vga_dirty_log_stop(VGACommonState *s);
199
200extern const VMStateDescription vmstate_vga_common;
201uint32_t vga_ioport_read(void *opaque, uint32_t addr);
202void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
203uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
204void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
205void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
206
207int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
208
209void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space);
210uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
211void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
212void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
213
214extern const uint8_t sr_mask[8];
215extern const uint8_t gr_mask[16];
216
217#define VGABIOS_FILENAME "vgabios.bin"
218#define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
219
220extern const MemoryRegionOps vga_mem_ops;
221
222
223void pci_std_vga_mmio_region_init(VGACommonState *s,
224 MemoryRegion *parent,
225 MemoryRegion *subs,
226 bool qext);
227
228#endif
229