meson: convert hw/vfio
[qemu.git] / hw / display / vga_int.h
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 uint32_t vram_size;
64 uint32_t vram_size_mb; /* property */
65 uint32_t vbe_size;
66 uint32_t vbe_size_mask;
67 uint32_t latch;
68 bool has_chain4_alias;
69 MemoryRegion chain4_alias;
70 uint8_t sr_index;
71 uint8_t sr[256];
72 uint8_t sr_vbe[256];
73 uint8_t gr_index;
74 uint8_t gr[256];
75 uint8_t ar_index;
76 uint8_t ar[21];
77 int ar_flip_flop;
78 uint8_t cr_index;
79 uint8_t cr[256]; /* CRT registers */
80 uint8_t msr; /* Misc Output Register */
81 uint8_t fcr; /* Feature Control Register */
82 uint8_t st00; /* status 0 */
83 uint8_t st01; /* status 1 */
84 uint8_t dac_state;
85 uint8_t dac_sub_index;
86 uint8_t dac_read_index;
87 uint8_t dac_write_index;
88 uint8_t dac_cache[3]; /* used when writing */
89 int dac_8bit;
90 uint8_t palette[768];
91 int32_t bank_offset;
92 int (*get_bpp)(struct VGACommonState *s);
93 void (*get_offsets)(struct VGACommonState *s,
94 uint32_t *pline_offset,
95 uint32_t *pstart_addr,
96 uint32_t *pline_compare);
97 void (*get_resolution)(struct VGACommonState *s,
98 int *pwidth,
99 int *pheight);
100 PortioList vga_port_list;
101 PortioList vbe_port_list;
102 /* bochs vbe state */
103 uint16_t vbe_index;
104 uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
105 uint32_t vbe_start_addr;
106 uint32_t vbe_line_offset;
107 uint32_t vbe_bank_mask;
108 /* display refresh support */
109 QemuConsole *con;
110 uint32_t font_offsets[2];
111 int graphic_mode;
112 uint8_t shift_control;
113 uint8_t double_scan;
114 uint32_t line_offset;
115 uint32_t line_compare;
116 uint32_t start_addr;
117 uint32_t plane_updated;
118 uint32_t last_line_offset;
119 uint8_t last_cw, last_ch;
120 uint32_t last_width, last_height; /* in chars or pixels */
121 uint32_t last_scr_width, last_scr_height; /* in pixels */
122 uint32_t last_depth; /* in bits */
123 bool last_byteswap;
124 bool force_shadow;
125 uint8_t cursor_start, cursor_end;
126 bool cursor_visible_phase;
127 int64_t cursor_blink_time;
128 uint32_t cursor_offset;
129 const GraphicHwOps *hw_ops;
130 bool full_update_text;
131 bool full_update_gfx;
132 bool big_endian_fb;
133 bool default_endian_fb;
134 bool global_vmstate;
135 /* hardware mouse cursor support */
136 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
137 uint32_t hw_cursor_x;
138 uint32_t hw_cursor_y;
139 void (*cursor_invalidate)(struct VGACommonState *s);
140 void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
141 /* tell for each page if it has been updated since the last time */
142 uint32_t last_palette[256];
143 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
144 /* retrace */
145 vga_retrace_fn retrace;
146 vga_update_retrace_info_fn update_retrace_info;
147 union vga_retrace retrace_info;
148 uint8_t is_vbe_vmstate;
149 } VGACommonState;
150
151 static inline int c6_to_8(int v)
152 {
153 int b;
154 v &= 0x3f;
155 b = v & 1;
156 return (v << 2) | (b << 1) | b;
157 }
158
159 void vga_common_init(VGACommonState *s, Object *obj);
160 void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
161 MemoryRegion *address_space_io, bool init_vga_ports);
162 MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
163 const MemoryRegionPortio **vga_ports,
164 const MemoryRegionPortio **vbe_ports);
165 void vga_common_reset(VGACommonState *s);
166
167 void vga_dirty_log_start(VGACommonState *s);
168 void vga_dirty_log_stop(VGACommonState *s);
169
170 extern const VMStateDescription vmstate_vga_common;
171 uint32_t vga_ioport_read(void *opaque, uint32_t addr);
172 void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
173 uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
174 void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
175 void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
176
177 int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
178
179 uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
180 void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
181 void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
182
183 extern const uint8_t sr_mask[8];
184 extern const uint8_t gr_mask[16];
185
186 #define VGABIOS_FILENAME "vgabios.bin"
187 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
188
189 extern const MemoryRegionOps vga_mem_ops;
190
191 /* vga-pci.c */
192 void pci_std_vga_mmio_region_init(VGACommonState *s,
193 Object *owner,
194 MemoryRegion *parent,
195 MemoryRegion *subs,
196 bool qext, bool edid);
197
198 #endif