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cirrus_vga_internal.h (3858B)


      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