xorg-server-1.4/hw/kdrive/vesa/vbe.h

   1 /*
   2 Copyright (c) 2000 by Juliusz Chroboczek
   3
   4 Permission is hereby granted, free of charge, to any person obtaining a copy
   5 of this software and associated documentation files (the "Software"), to deal
   6 in the Software without restriction, including without limitation the rights
   7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8 copies of the Software, and to permit persons to whom the Software is
   9 furnished to do so, subject to the following conditions:
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20 THE SOFTWARE.
  21 */
  22
  23 #ifndef _VBE_H
  24 #define _VBE_H
  25
  26 #define VBE_WINDOW_RELOCATE 1
  27 #define VBE_WINDOW_READ 2
  28 #define VBE_WINDOW_WRITE 4
  29
  30 typedef struct _VbeInfoBlock {
  31     U8 VbeSignature[4];         /* VBE Signature */
  32     U16 VbeVersion;             /* VBE Version */
  33     U32 OemStringPtr;           /* Pointer to OEM String */
  34     U8 Capabilities[4];         /* Capabilities of graphics controller */
  35     U32 VideoModePtr;           /* Pointer to VideoModeList */
  36     U16 TotalMemory;            /* Number of 64kb memory blocks */
  37 /* Added for VBE 2.0 */
  38     U16 OemSoftwareRev;         /* VBE implementation Software revision */
  39     U32 OemVendorNamePtr;       /* Pointer to Vendor Name String */
  40     U32 OemProductNamePtr;      /* Pointer to Product Name String */
  41     U32 OemProductRevPtr;       /* Pointer to Product Revision String */
  42     U8 Reserved[222];           /* Reserved for VBE implementation */
  43     U8 OemData[256];            /* Data Area for OEM Strings*/
  44 } __attribute__((packed)) VbeInfoBlock;
  45
  46 typedef struct _VbeModeInfoBlock {
  47 /* Mandatory information for all VBE revisions */
  48     U16 ModeAttributes;         /* mode attributes */
  49     U8 WinAAttributes;          /* window A attributes */
  50     U8 WinBAttributes;          /* window B attributes */
  51     U16 WinGranularity;         /* window granularity */
  52     U16 WinSize;                /* window size */
  53     U16 WinASegment;            /* window A start segment */
  54     U16 WinBSegment;            /* window B start segment */
  55     U32 WinFuncPtr;             /* pointer to window function */
  56     U16 BytesPerScanLine;       /* bytes per scan line */
  57 /* Mandatory information for VBE 1.2 and above */
  58     U16 XResolution;            /* horizontal resolution */
  59     U16 YResolution;            /* vertical resolution */
  60     U8 XCharSize;               /* character cell width in pixels */
  61     U8 YCharSize;               /* character cell height in pixels */
  62     U8 NumberOfPlanes;          /* number of memory planes */
  63     U8 BitsPerPixel;            /* bits per pixel */
  64     U8 NumberOfBanks;           /* number of banks */
  65     U8 MemoryModel;             /* memory model type */
  66     U8 BankSize;                /* bank size in KB */
  67     U8 NumberOfImagePages;      /* number of images */
  68     U8 Reserved;                /* reserved for page function */
  69 /* Direct Color fields (required for direct/6 and YUV/7 memory models) */
  70     U8 RedMaskSize;             /* size of direct color red mask in bits */
  71     U8 RedFieldPosition;        /* bit position of lsb of red mask */
  72     U8 GreenMaskSize;           /* size of direct color green mask in bits */
  73     U8 GreenFieldPosition;      /* bit position of lsb of green mask */
  74     U8 BlueMaskSize;            /* size of direct color blue mask in bits */
  75     U8 BlueFieldPosition;       /* bit position of lsb of blue mask */
  76     U8 RsvdMaskSize;            /* size of direct color reserved mask bits*/
  77     U8 RsvdFieldPosition;       /* bit position of lsb of reserved mask */
  78     U8 DirectColorModeInfo;     /* direct color mode attributes */
  79 /* Mandatory information for VBE 2.0 and above */
  80     U32 PhysBasePtr;            /* physical address for flat memory fb */
  81     U32 OffScreenMemOffset;     /* pointer to start of off screen memory */
  82     U16 OffScreenMemSize;       /* amount of off screen memory in 1k units */
  83     U8 Reserved2[206];          /* remainder of ModeInfoBlock */
  84 } __attribute__((packed)) VbeModeInfoBlock;
  85
  86 typedef struct _VbeInfoRec {
  87     U8                  palette_format;
  88     int                 palette_wait;
  89     int                 windowA_offset;
  90     int                 windowB_offset;
  91     int                 window_size;
  92     int                 last_window;
  93     VbeModeInfoBlock    vmib;
  94 } VbeInfoRec, *VbeInfoPtr;
  95
  96 typedef struct _SupVbeInfoBlock {
  97     U8 SupVbeSignature[7];      /* Supplemental VBE Signature */
  98     U16 SupVbeVersion;          /* Supplemental VBE Version*/
  99     U8 SupVbeSubFunc[8];        /* Bitfield of supported subfunctions */
 100     U16 OemSoftwareRev;         /* OEM Software revision */
 101     U32 OemVendorNamePtr;       /* Pointer to Vendor Name String */
 102     U32 OemProductNamePtr;      /* Pointer to Product Name String */
 103     U32 OemProductRevPtr;       /* Pointer to Product Revision String */
 104     U32 OemStringPtr;           /* Pointer to OEM String */
 105     U8 Reserved[221];           /* Reserved */
 106 } __attribute__((packed)) SupVbeInfoBlock;
 107
 108 int
 109 VbeGetVib (Vm86InfoPtr vi, VbeInfoBlock *vib);
 110
 111 int
 112 VbeGetVmib (Vm86InfoPtr vi, int mode, VbeModeInfoBlock *vmib);
 113
 114 void
 115 VbeReportInfo (Vm86InfoPtr vi);
 116
 117 int
 118 VbeGetNmode (Vm86InfoPtr vi);
 119
 120 int
 121 VbeGetModes (Vm86InfoPtr vi, VesaModePtr modes, int nmode);
 122
 123 VbeInfoPtr
 124 VbeInit (Vm86InfoPtr vi);
 125
 126 void
 127 VbeCleanup (Vm86InfoPtr vi, VbeInfoPtr vbe);
 128
 129 int
 130 VbeSetMode (Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, int linear, int direct);
 131
 132 int
 133 VbeGetMode(Vm86InfoPtr vi, int *mode);
 134
 135 void *
 136 VbeMapFramebuffer(Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, int *ret_size, CARD32 *ret_phys);
 137
 138 void
 139 VbeUnmapFramebuffer(Vm86InfoPtr vi, VbeInfoPtr vbe, int mode, void *fb);
 140
 141 int
 142 VbeSetPalette(Vm86InfoPtr vi, VbeInfoPtr vbe, int first, int number, U8 *entries);
 143
 144 int
 145 VbeGetPalette(Vm86InfoPtr vi, VbeInfoPtr vbe, int first, int number, U8 *entries);
 146
 147 int
 148 VbeSetPaletteOptions(Vm86InfoPtr vi, VbeInfoPtr vbe, U8 bits, int wait);
 149
 150 void *
 151 VbeSetWindow(Vm86InfoPtr vi, VbeInfoPtr vbe, int offset, int purpose, int *size_return);
 152
 153 Bool
 154 VbeDPMS(Vm86InfoPtr vi, int mode);
 155
 156 int
 157 VbeDoInterrupt10(Vm86InfoPtr vi);
 158
 159 Bool
 160 VbeBoot(Vm86InfoPtr vi);
 161
 162 int
 163 VbeDoInterruptE6(Vm86InfoPtr vi);
 164
 165 #endif