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Diffstat (limited to 'hw/kdrive/vesa/vbe.h')
| -rw-r--r-- | hw/kdrive/vesa/vbe.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/hw/kdrive/vesa/vbe.h b/hw/kdrive/vesa/vbe.h new file mode 100644 index 000000000..1b6c9630e --- /dev/null +++ b/hw/kdrive/vesa/vbe.h @@ -0,0 +1,166 @@ +/* +Copyright (c) 2000 by Juliusz Chroboczek + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ +/* $XFree86$ */ + +#ifndef _VBE_H +#define _VBE_H + +#ifndef U8 +#define U8 unsigned char +#define U16 unsigned short +#define U32 unsigned int +#endif + +/* The whole addressable memory */ +#define SYSMEM_BASE 0x00000 +#define SYSMEM_SIZE 0x100000 + +/* Interrupt vectors and BIOS data area */ +/* This is allocated privately from /dev/mem */ +#define MAGICMEM_BASE 0x00000 +#define MAGICMEM_SIZE 0x01000 + +/* The low memory, allocated privately from /dev/zero */ +/* 64KB should be enough for anyone, as they used to say */ +#define LOMEM_BASE 0x10000 +#define LOMEM_SIZE 0x10000 + +/* The video memory and BIOS ROM, allocated shared from /dev/mem */ +#define HIMEM_BASE 0xA0000 +#define HIMEM_SIZE (SYSMEM_BASE + SYSMEM_SIZE - HIMEM_BASE) + +/* The BIOS ROM */ +#define ROM_BASE 0xC0000 +#define ROM_SIZE 0x30000 + +#define STACK_SIZE 0x1000 + +#define POINTER_SEGMENT(ptr) (((unsigned int)ptr)>>4) +#define POINTER_OFFSET(ptr) (((unsigned int)ptr)&0x000F) +#define MAKE_POINTER(seg, off) (((((unsigned int)(seg))<<4) + (unsigned int)(off))) +#define MAKE_POINTER_1(lw) MAKE_POINTER(((lw)&0xFFFF0000)/0x10000, (lw)&0xFFFF) +#define ALLOC_FAIL ((U32)-1) + +typedef struct _VbeInfoRec { + int devmem, devzero; + void *magicMem, *loMem, *hiMem, *fb; + U32 fb_size; + U32 brk; + struct vm86_struct vms; + U32 ret_code, stack_base, vib_base, vmib_base, statebuffer_base, palette_scratch_base; + U8 palette_format; + int palette_wait; +} VbeInfoRec, *VbeInfoPtr; + +typedef struct _VbeInfoBlock { + U8 VbeSignature[4]; /* VBE Signature */ + U16 VbeVersion; /* VBE Version */ + U32 OemStringPtr; /* Pointer to OEM String */ + U8 Capabilities[4]; /* Capabilities of graphics controller */ + U32 VideoModePtr; /* Pointer to VideoModeList */ + U16 TotalMemory; /* Number of 64kb memory blocks */ +/* Added for VBE 2.0 */ + U16 OemSoftwareRev; /* VBE implementation Software revision */ + U32 OemVendorNamePtr; /* Pointer to Vendor Name String */ + U32 OemProductNamePtr; /* Pointer to Product Name String */ + U32 OemProductRevPtr; /* Pointer to Product Revision String */ + U8 Reserved[222]; /* Reserved for VBE implementation */ + U8 OemData[256]; /* Data Area for OEM Strings*/ +} __attribute__((packed)) VbeInfoBlock; + +typedef struct _VbeModeInfoBlock { +/* Mandatory information for all VBE revisions */ + U16 ModeAttributes; /* mode attributes */ + U8 WinAAttributes; /* window A attributes */ + U8 WinBAttributes; /* window B attributes */ + U16 WinGranularity; /* window granularity */ + U16 WinSize; /* window size */ + U16 WinASegment; /* window A start segment */ + U16 WinBSegment; /* window B start segment */ + U32 WinFuncPtr; /* pointer to window function */ + U16 BytesPerScanLine; /* bytes per scan line */ +/* Mandatory information for VBE 1.2 and above */ + U16 XResolution; /* horizontal resolution */ + U16 YResolution; /* vertical resolution */ + U8 XCharSize; /* character cell width in pixels */ + U8 YCharSize; /* character cell height in pixels */ + U8 NumberOfPlanes; /* number of memory planes */ + U8 BitsPerPixel; /* bits per pixel */ + U8 NumberOfBanks; /* number of banks */ + U8 MemoryModel; /* memory model type */ + U8 BankSize; /* bank size in KB */ + U8 NumberOfImagePages; /* number of images */ + U8 Reserved; /* reserved for page function */ +/* Direct Color fields (required for direct/6 and YUV/7 memory models) */ + U8 RedMaskSize; /* size of direct color red mask in bits */ + U8 RedFieldPosition; /* bit position of lsb of red mask */ + U8 GreenMaskSize; /* size of direct color green mask in bits */ + U8 GreenFieldPosition; /* bit position of lsb of green mask */ + U8 BlueMaskSize; /* size of direct color blue mask in bits */ + U8 BlueFieldPosition; /* bit position of lsb of blue mask */ + U8 RsvdMaskSize; /* size of direct color reserved mask bits*/ + U8 RsvdFieldPosition; /* bit position of lsb of reserved mask */ + U8 DirectColorModeInfo; /* direct color mode attributes */ +/* Mandatory information for VBE 2.0 and above */ + U32 PhysBasePtr; /* physical address for flat memory fb */ + U32 OffScreenMemOffset; /* pointer to start of off screen memory */ + U16 OffScreenMemSize; /* amount of off screen memory in 1k units */ + U8 Reserved2[206]; /* remainder of ModeInfoBlock */ +} __attribute__((packed)) VbeModeInfoBlock; + + +typedef struct _SupVbeInfoBlock { + U8 SupVbeSignature[7]; /* Supplemental VBE Signature */ + U16 SupVbeVersion; /* Supplemental VBE Version*/ + U8 SupVbeSubFunc[8]; /* Bitfield of supported subfunctions */ + U16 OemSoftwareRev; /* OEM Software revision */ + U32 OemVendorNamePtr; /* Pointer to Vendor Name String */ + U32 OemProductNamePtr; /* Pointer to Product Name String */ + U32 OemProductRevPtr; /* Pointer to Product Revision String */ + U32 OemStringPtr; /* Pointer to OEM String */ + U8 Reserved[221]; /* Reserved */ +} __attribute__((packed)) SupVbeInfoBlock; + +VbeInfoPtr VbeSetup(void); +void VbeCleanup(VbeInfoPtr vi); +VbeInfoBlock *VbeGetInfo(VbeInfoPtr vi); +VbeModeInfoBlock *VbeGetModeInfo(VbeInfoPtr vi, int mode); +int VbeSetMode(VbeInfoPtr vi, int mode); +int VbeGetMode(VbeInfoPtr vi, int *mode); +int VbeSetupStateBuffer(VbeInfoPtr vi); +int VbeSaveState(VbeInfoPtr vi); +int VbeRestoreState(VbeInfoPtr vi); +void *VbeMapFramebuffer(VbeInfoPtr vi); +int VbeUnmapFrambuffer(VbeInfoPtr vi); +int VbeSetPalette(VbeInfoPtr vi, int first, int number, U8 *entries); +int VbeSetPaletteOptions(VbeInfoPtr vi, U8 bits, int wait); +int VbeReportInfo(VbeInfoPtr, VbeInfoBlock *); +int VbeReportModeInfo(VbeInfoPtr, U16 mode, VbeModeInfoBlock *); + +int VbeDoInterrupt(VbeInfoPtr, int num); +int VbeDoInterrupt10(VbeInfoPtr vi); +int VbeIsMemory(VbeInfoPtr vi, U32 i); +U8 VbeMemory(VbeInfoPtr, U32); +U16 VbeMemoryW(VbeInfoPtr, U32); +void VbeWriteMemory(VbeInfoPtr, U32, U8); +int VbeAllocateMemory(VbeInfoPtr, int); +#endif |