vga: stop passing pointers to vga_draw_line* functions
[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 "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
70 struct 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
81 union vga_retrace {
82 struct vga_precise_retrace precise;
83 };
84
85 struct VGACommonState;
86 typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s);
87 typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s);
88
89 typedef 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 vbe_size_mask;
98 uint32_t latch;
99 bool has_chain4_alias;
100 MemoryRegion chain4_alias;
101 uint8_t sr_index;
102 uint8_t sr[256];
103 uint8_t sr_vbe[256];
104 uint8_t gr_index;
105 uint8_t gr[256];
106 uint8_t ar_index;
107 uint8_t ar[21];
108 int ar_flip_flop;
109 uint8_t cr_index;
110 uint8_t cr[256]; /* CRT registers */
111 uint8_t msr; /* Misc Output Register */
112 uint8_t fcr; /* Feature Control Register */
113 uint8_t st00; /* status 0 */
114 uint8_t st01; /* status 1 */
115 uint8_t dac_state;
116 uint8_t dac_sub_index;
117 uint8_t dac_read_index;
118 uint8_t dac_write_index;
119 uint8_t dac_cache[3]; /* used when writing */
120 int dac_8bit;
121 uint8_t palette[768];
122 int32_t bank_offset;
123 int (*get_bpp)(struct VGACommonState *s);
124 void (*get_offsets)(struct VGACommonState *s,
125 uint32_t *pline_offset,
126 uint32_t *pstart_addr,
127 uint32_t *pline_compare);
128 void (*get_resolution)(struct VGACommonState *s,
129 int *pwidth,
130 int *pheight);
131 PortioList vga_port_list;
132 PortioList vbe_port_list;
133 /* bochs vbe state */
134 uint16_t vbe_index;
135 uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
136 uint32_t vbe_start_addr;
137 uint32_t vbe_line_offset;
138 uint32_t vbe_bank_mask;
139 int vbe_mapped;
140 /* display refresh support */
141 QemuConsole *con;
142 uint32_t font_offsets[2];
143 int graphic_mode;
144 uint8_t shift_control;
145 uint8_t double_scan;
146 uint32_t line_offset;
147 uint32_t line_compare;
148 uint32_t start_addr;
149 uint32_t plane_updated;
150 uint32_t last_line_offset;
151 uint8_t last_cw, last_ch;
152 uint32_t last_width, last_height; /* in chars or pixels */
153 uint32_t last_scr_width, last_scr_height; /* in pixels */
154 uint32_t last_depth; /* in bits */
155 bool last_byteswap;
156 bool force_shadow;
157 uint8_t cursor_start, cursor_end;
158 bool cursor_visible_phase;
159 int64_t cursor_blink_time;
160 uint32_t cursor_offset;
161 const GraphicHwOps *hw_ops;
162 bool full_update_text;
163 bool full_update_gfx;
164 bool big_endian_fb;
165 bool default_endian_fb;
166 /* hardware mouse cursor support */
167 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
168 uint32_t hw_cursor_x;
169 uint32_t hw_cursor_y;
170 void (*cursor_invalidate)(struct VGACommonState *s);
171 void (*cursor_draw_line)(struct VGACommonState *s, uint8_t *d, int y);
172 /* tell for each page if it has been updated since the last time */
173 uint32_t last_palette[256];
174 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
175 /* retrace */
176 vga_retrace_fn retrace;
177 vga_update_retrace_info_fn update_retrace_info;
178 union vga_retrace retrace_info;
179 uint8_t is_vbe_vmstate;
180 } VGACommonState;
181
182 static inline int c6_to_8(int v)
183 {
184 int b;
185 v &= 0x3f;
186 b = v & 1;
187 return (v << 2) | (b << 1) | b;
188 }
189
190 void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
191 void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
192 MemoryRegion *address_space_io, bool init_vga_ports);
193 MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
194 const MemoryRegionPortio **vga_ports,
195 const MemoryRegionPortio **vbe_ports);
196 void vga_common_reset(VGACommonState *s);
197
198 void vga_sync_dirty_bitmap(VGACommonState *s);
199 void vga_dirty_log_start(VGACommonState *s);
200 void vga_dirty_log_stop(VGACommonState *s);
201
202 extern const VMStateDescription vmstate_vga_common;
203 uint32_t vga_ioport_read(void *opaque, uint32_t addr);
204 void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val);
205 uint32_t vga_mem_readb(VGACommonState *s, hwaddr addr);
206 void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val);
207 void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2);
208
209 int vga_ioport_invalid(VGACommonState *s, uint32_t addr);
210
211 void vga_init_vbe(VGACommonState *s, Object *obj, MemoryRegion *address_space);
212 uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr);
213 void vbe_ioport_write_index(void *opaque, uint32_t addr, uint32_t val);
214 void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val);
215
216 extern const uint8_t sr_mask[8];
217 extern const uint8_t gr_mask[16];
218
219 #define VGABIOS_FILENAME "vgabios.bin"
220 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
221
222 extern const MemoryRegionOps vga_mem_ops;
223
224 /* vga-pci.c */
225 void pci_std_vga_mmio_region_init(VGACommonState *s,
226 MemoryRegion *parent,
227 MemoryRegion *subs,
228 bool qext);
229
230 #endif