1 /*
2  * QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
3  *
4  * Copyright (c) 2004 Fabrice Bellard
5  * Copyright (c) 2004 Makoto Suzuki (suzu)
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to deal
9  * in the Software without restriction, including without limitation the rights
10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11  * copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23  * THE SOFTWARE.
24  */
25 
26 #ifndef CIRRUS_VGA_INTERNAL_H
27 #define CIRRUS_VGA_INTERNAL_H
28 
29 #include "vga_int.h"
30 
31 /* IDs */
32 #define CIRRUS_ID_CLGD5422  (0x23 << 2)
33 #define CIRRUS_ID_CLGD5426  (0x24 << 2)
34 #define CIRRUS_ID_CLGD5424  (0x25 << 2)
35 #define CIRRUS_ID_CLGD5428  (0x26 << 2)
36 #define CIRRUS_ID_CLGD5430  (0x28 << 2)
37 #define CIRRUS_ID_CLGD5434  (0x2A << 2)
38 #define CIRRUS_ID_CLGD5436  (0x2B << 2)
39 #define CIRRUS_ID_CLGD5446  (0x2E << 2)
40 
41 extern const VMStateDescription vmstate_cirrus_vga;
42 
43 struct CirrusVGAState;
44 typedef void (*cirrus_bitblt_rop_t)(struct CirrusVGAState *s,
45                                     uint32_t dstaddr, uint32_t srcaddr,
46                                     int dstpitch, int srcpitch,
47                                     int bltwidth, int bltheight);
48 
49 typedef struct CirrusVGAState {
50     VGACommonState vga;
51 
52     MemoryRegion cirrus_vga_io;
53     MemoryRegion cirrus_linear_io;
54     MemoryRegion cirrus_linear_bitblt_io;
55     MemoryRegion cirrus_mmio_io;
56     MemoryRegion pci_bar;
57     bool linear_vram;  /* vga.vram mapped over cirrus_linear_io */
58     MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */
59     MemoryRegion low_mem;           /* always mapped, overridden by: */
60     MemoryRegion cirrus_bank[2];    /*   aliases at 0xa0000-0xb0000  */
61     uint32_t cirrus_addr_mask;
62     uint32_t linear_mmio_mask;
63     uint8_t cirrus_shadow_gr0;
64     uint8_t cirrus_shadow_gr1;
65     uint8_t cirrus_hidden_dac_lockindex;
66     uint8_t cirrus_hidden_dac_data;
67     uint32_t cirrus_bank_base[2];
68     uint32_t cirrus_bank_limit[2];
69     uint8_t cirrus_hidden_palette[48];
70     bool enable_blitter;
71     int cirrus_blt_pixelwidth;
72     int cirrus_blt_width;
73     int cirrus_blt_height;
74     int cirrus_blt_dstpitch;
75     int cirrus_blt_srcpitch;
76     uint32_t cirrus_blt_fgcol;
77     uint32_t cirrus_blt_bgcol;
78     uint32_t cirrus_blt_dstaddr;
79     uint32_t cirrus_blt_srcaddr;
80     uint8_t cirrus_blt_mode;
81     uint8_t cirrus_blt_modeext;
82     cirrus_bitblt_rop_t cirrus_rop;
83 #define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
84     uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
85     uint8_t *cirrus_srcptr;
86     uint8_t *cirrus_srcptr_end;
87     uint32_t cirrus_srccounter;
88     /* hwcursor display state */
89     int last_hw_cursor_size;
90     int last_hw_cursor_x;
91     int last_hw_cursor_y;
92     int last_hw_cursor_y_start;
93     int last_hw_cursor_y_end;
94     int real_vram_size; /* XXX: suppress that */
95     int device_id;
96     int bustype;
97 } CirrusVGAState;
98 
99 void cirrus_init_common(CirrusVGAState *s, Object *owner,
100                         int device_id, int is_pci,
101                         MemoryRegion *system_memory, MemoryRegion *system_io);
102 
103 #endif
104