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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-20170111-1' into staging
[qemu.git] / hw / display / vga_int.h
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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 "hw/hw.h"
29#include "exec/memory.h"
30
31#define ST01_V_RETRACE 0x08
32#define ST01_DISP_ENABLE 0x01
33
34#define VBE_DISPI_MAX_XRES 16000
35#define VBE_DISPI_MAX_YRES 12000
36#define VBE_DISPI_MAX_BPP 32
37
38#define VBE_DISPI_INDEX_ID 0x0
39#define VBE_DISPI_INDEX_XRES 0x1
40#define VBE_DISPI_INDEX_YRES 0x2
41#define VBE_DISPI_INDEX_BPP 0x3
42#define VBE_DISPI_INDEX_ENABLE 0x4
43#define VBE_DISPI_INDEX_BANK 0x5
44#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
45#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
46#define VBE_DISPI_INDEX_X_OFFSET 0x8
47#define VBE_DISPI_INDEX_Y_OFFSET 0x9
48#define VBE_DISPI_INDEX_NB 0xa /* size of vbe_regs[] */
49#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
50
51#define VBE_DISPI_ID0 0xB0C0
52#define VBE_DISPI_ID1 0xB0C1
53#define VBE_DISPI_ID2 0xB0C2
54#define VBE_DISPI_ID3 0xB0C3
55#define VBE_DISPI_ID4 0xB0C4
56#define VBE_DISPI_ID5 0xB0C5
57
58#define VBE_DISPI_DISABLED 0x00
59#define VBE_DISPI_ENABLED 0x01
60#define VBE_DISPI_GETCAPS 0x02
61#define VBE_DISPI_8BIT_DAC 0x20
62#define VBE_DISPI_LFB_ENABLED 0x40
63#define VBE_DISPI_NOCLEARMEM 0x80
64
65#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
66
67#define CH_ATTR_SIZE (160 * 100)
68#define VGA_MAX_HEIGHT 2048
69
70struct vga_precise_retrace {
71 int64_t ticks_per_char;
72 int64_t total_chars;
73 int htotal;
74 int hstart;
75 int hend;
76 int vstart;
77 int vend;
78 int freq;
79};
80
81union vga_retrace {
82 struct vga_precise_retrace precise;
83};
84
85struct VGACommonState;
86typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
87typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
88
89typedef struct VGACommonState {
90 MemoryRegion *legacy_address_space;
91 uint8_t *vram_ptr;
92 MemoryRegion vram;
93 MemoryRegion vram_vbe;
94 uint32_t vram_size;
95 uint32_t vram_size_mb; /* property */
96 uint32_t vbe_size;
97 uint32_t latch;
98 bool has_chain4_alias;
99 MemoryRegion chain4_alias;
100 uint8_t sr_index;
101 uint8_t sr[256];
102 uint8_t sr_vbe[256];
103 uint8_t gr_index;
104 uint8_t gr[256];
105 uint8_t ar_index;
106 uint8_t ar[21];
107 int ar_flip_flop;
108 uint8_t cr_index;
109 uint8_t cr[256]; /* CRT registers */
110 uint8_t msr; /* Misc Output Register */
111 uint8_t fcr; /* Feature Control Register */
112 uint8_t st00; /* status 0 */
113 uint8_t st01; /* status 1 */
114 uint8_t dac_state;
115 uint8_t dac_sub_index;
116 uint8_t dac_read_index;
117 uint8_t dac_write_index;
118 uint8_t dac_cache[3]; /* used when writing */
119 int dac_8bit;
120 uint8_t palette[768];
121 int32_t bank_offset;
122 int (*get_bpp)(struct VGACommonState *s);
123 void (*get_offsets)(struct VGACommonState *s,
124 uint32_t *pline_offset,
125 uint32_t *pstart_addr,
126 uint32_t *pline_compare);
127 void (*get_resolution)(struct VGACommonState *s,
128 int *pwidth,
129 int *pheight);
130 PortioList vga_port_list;
131 PortioList vbe_port_list;
132 /* bochs vbe state */
133 uint16_t vbe_index;
134 uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
135 uint32_t vbe_start_addr;
136 uint32_t vbe_line_offset;
137 uint32_t vbe_bank_mask;
138 int vbe_mapped;
139 /* display refresh support */
140 QemuConsole *con;
141 uint32_t font_offsets[2];
142 int graphic_mode;
143 uint8_t shift_control;
144 uint8_t double_scan;
145 uint32_t line_offset;
146 uint32_t line_compare;
147 uint32_t start_addr;
148 uint32_t plane_updated;
149 uint32_t last_line_offset;
150 uint8_t last_cw, last_ch;
151 uint32_t last_width, last_height; /* in chars or pixels */
152 uint32_t last_scr_width, last_scr_height; /* in pixels */
153 uint32_t last_depth; /* in bits */
154 bool last_byteswap;
155 bool force_shadow;
156 uint8_t cursor_start, cursor_end;
157 bool cursor_visible_phase;
158 int64_t cursor_blink_time;
159 uint32_t cursor_offset;
160 const GraphicHwOps *hw_ops;
161 bool full_update_text;
162 bool full_update_gfx;
163 bool big_endian_fb;
164 bool default_endian_fb;
165 /* hardware mouse cursor support */
166 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
167 uint32_t hw_cursor_x;
168 uint32_t hw_cursor_y;
169 void (*cursor_invalidate)(struct VGACommonState *s);
170 void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
171 /* tell for each page if it has been updated since the last time */
172 uint32_t last_palette[256];
173 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
174 /* retrace */
175 vga_retrace_fn retrace;
176 vga_update_retrace_info_fn update_retrace_info;
177 union vga_retrace retrace_info;
178 uint8_t is_vbe_vmstate;
179} VGACommonState;
180
181static inline int c6_to_8(int v)
182{
183 int b;
184 v &= 0x3f;
185 b = v & 1;
186 return (v << 2) | (b << 1) | b;
187}
188
189void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
190void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
191 MemoryRegion *address_space_io, bool init_vga_ports);
192MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
193 const MemoryRegionPortio **vga_ports,
194 const MemoryRegionPortio **vbe_ports);
195void vga_common_reset(VGACommonState *s);
196
197void vga_sync_dirty_bitmap(VGACommonState *s);
198void vga_dirty_log_start(VGACommonState *s);
199void vga_dirty_log_stop(VGACommonState *s);
200
201extern const VMStateDescription vmstate_vga_common;
202uint32_t vga_ioport_read(void *opaque, uint32_t addr);
203void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
204uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
205void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
206void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
207
208int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
209
210void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space);
211uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
212void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
213void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
214
215extern const uint8_t sr_mask[8];
216extern const uint8_t gr_mask[16];
217
218#define VGABIOS_FILENAME "vgabios.bin"
219#define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
220
221extern const MemoryRegionOps vga_mem_ops;
222
223/* vga-pci.c */
224void pci_std_vga_mmio_region_init(VGACommonState *s,
225 MemoryRegion *parent,
226 MemoryRegion *subs,
227 bool qext);
228
229#endif
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