1 | /* |
2 | * QEMU internal VGA defines. |
3 | * |
4 | * Copyright (c) 2003-2004 Fabrice Bellard |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal |
8 | * in the Software without restriction, including without limitation the rights |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
10 | * copies of the Software, and to permit persons to whom the Software is |
11 | * furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
22 | * THE SOFTWARE. |
23 | */ |
24 | |
25 | #ifndef HW_VGA_INT_H |
26 | #define HW_VGA_INT_H |
27 | |
28 | #include "exec/ioport.h" |
29 | #include "exec/memory.h" |
30 | #include "ui/console.h" |
31 | |
32 | #include "hw/display/bochs-vbe.h" |
33 | |
34 | #define ST01_V_RETRACE 0x08 |
35 | #define ST01_DISP_ENABLE 0x01 |
36 | |
37 | #define CH_ATTR_SIZE (160 * 100) |
38 | #define VGA_MAX_HEIGHT 2048 |
39 | |
40 | struct vga_precise_retrace { |
41 | int64_t ticks_per_char; |
42 | int64_t total_chars; |
43 | int htotal; |
44 | int hstart; |
45 | int hend; |
46 | int vstart; |
47 | int vend; |
48 | int freq; |
49 | }; |
50 | |
51 | union vga_retrace { |
52 | struct vga_precise_retrace precise; |
53 | }; |
54 | |
55 | struct VGACommonState; |
56 | typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s); |
57 | typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s); |
58 | |
59 | typedef struct VGACommonState { |
60 | MemoryRegion *legacy_address_space; |
61 | uint8_t *vram_ptr; |
62 | MemoryRegion vram; |
63 | MemoryRegion vram_vbe; |
64 | uint32_t vram_size; |
65 | uint32_t vram_size_mb; /* property */ |
66 | uint32_t vbe_size; |
67 | uint32_t vbe_size_mask; |
68 | uint32_t latch; |
69 | bool has_chain4_alias; |
70 | MemoryRegion chain4_alias; |
71 | uint8_t sr_index; |
72 | uint8_t sr[256]; |
73 | uint8_t sr_vbe[256]; |
74 | uint8_t gr_index; |
75 | uint8_t gr[256]; |
76 | uint8_t ar_index; |
77 | uint8_t ar[21]; |
78 | int ar_flip_flop; |
79 | uint8_t cr_index; |
80 | uint8_t cr[256]; /* CRT registers */ |
81 | uint8_t msr; /* Misc Output Register */ |
82 | uint8_t fcr; /* Feature Control Register */ |
83 | uint8_t st00; /* status 0 */ |
84 | uint8_t st01; /* status 1 */ |
85 | uint8_t dac_state; |
86 | uint8_t dac_sub_index; |
87 | uint8_t dac_read_index; |
88 | uint8_t dac_write_index; |
89 | uint8_t dac_cache[3]; /* used when writing */ |
90 | int dac_8bit; |
91 | uint8_t palette[768]; |
92 | int32_t bank_offset; |
93 | int (*get_bpp)(struct VGACommonState *s); |
94 | void (*get_offsets)(struct VGACommonState *s, |
95 | uint32_t *pline_offset, |
96 | uint32_t *pstart_addr, |
97 | uint32_t *pline_compare); |
98 | void (*get_resolution)(struct VGACommonState *s, |
99 | int *pwidth, |
100 | int *pheight); |
101 | PortioList vga_port_list; |
102 | PortioList vbe_port_list; |
103 | /* bochs vbe state */ |
104 | uint16_t vbe_index; |
105 | uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; |
106 | uint32_t vbe_start_addr; |
107 | uint32_t vbe_line_offset; |
108 | uint32_t vbe_bank_mask; |
109 | int vbe_mapped; |
110 | /* display refresh support */ |
111 | QemuConsole *con; |
112 | uint32_t font_offsets[2]; |
113 | int graphic_mode; |
114 | uint8_t shift_control; |
115 | uint8_t double_scan; |
116 | uint32_t line_offset; |
117 | uint32_t line_compare; |
118 | uint32_t start_addr; |
119 | uint32_t plane_updated; |
120 | uint32_t last_line_offset; |
121 | uint8_t last_cw, last_ch; |
122 | uint32_t last_width, last_height; /* in chars or pixels */ |
123 | uint32_t last_scr_width, last_scr_height; /* in pixels */ |
124 | uint32_t last_depth; /* in bits */ |
125 | bool last_byteswap; |
126 | bool force_shadow; |
127 | uint8_t cursor_start, cursor_end; |
128 | bool cursor_visible_phase; |
129 | int64_t cursor_blink_time; |
130 | uint32_t cursor_offset; |
131 | const GraphicHwOps *hw_ops; |
132 | bool full_update_text; |
133 | bool full_update_gfx; |
134 | bool big_endian_fb; |
135 | bool default_endian_fb; |
136 | bool global_vmstate; |
137 | /* hardware mouse cursor support */ |
138 | uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; |
139 | uint32_t hw_cursor_x; |
140 | uint32_t hw_cursor_y; |
141 | void (*cursor_invalidate)(struct VGACommonState *s); |
142 | void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y); |
143 | /* tell for each page if it has been updated since the last time */ |
144 | uint32_t last_palette[256]; |
145 | uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */ |
146 | /* retrace */ |
147 | vga_retrace_fn retrace; |
148 | vga_update_retrace_info_fn update_retrace_info; |
149 | union vga_retrace retrace_info; |
150 | uint8_t is_vbe_vmstate; |
151 | } VGACommonState; |
152 | |
153 | static inline int c6_to_8(int v) |
154 | { |
155 | int b; |
156 | v &= 0x3f; |
157 | b = v & 1; |
158 | return (v << 2) | (b << 1) | b; |
159 | } |
160 | |
161 | void vga_common_init(VGACommonState *s, Object *obj); |
162 | void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space, |
163 | MemoryRegion *address_space_io, bool init_vga_ports); |
164 | MemoryRegion *vga_init_io(VGACommonState *s, Object *obj, |
165 | const MemoryRegionPortio **vga_ports, |
166 | const MemoryRegionPortio **vbe_ports); |
167 | void vga_common_reset(VGACommonState *s); |
168 | |
169 | void vga_dirty_log_start(VGACommonState *s); |
170 | void vga_dirty_log_stop(VGACommonState *s); |
171 | |
172 | extern const VMStateDescription vmstate_vga_common; |
173 | uint32_t vga_ioport_read(void *opaque, uint32_t addr); |
174 | void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val); |
175 | uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr); |
176 | void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val); |
177 | void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2); |
178 | |
179 | int vga_ioport_invalid(VGACommonState *s, uint32_t addr); |
180 | |
181 | void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space); |
182 | uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr); |
183 | void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val); |
184 | void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val); |
185 | |
186 | extern const uint8_t sr_mask[8]; |
187 | extern const uint8_t gr_mask[16]; |
188 | |
189 | #define VGABIOS_FILENAME "vgabios.bin" |
190 | #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin" |
191 | |
192 | extern const MemoryRegionOps vga_mem_ops; |
193 | |
194 | /* vga-pci.c */ |
195 | void pci_std_vga_mmio_region_init(VGACommonState *s, |
196 | Object *owner, |
197 | MemoryRegion *parent, |
198 | MemoryRegion *subs, |
199 | bool qext, bool edid); |
200 | |
201 | #endif |
202 | |