diff options
Diffstat (limited to 'src/server/mga_bios.h')
| -rw-r--r-- | src/server/mga_bios.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/server/mga_bios.h b/src/server/mga_bios.h new file mode 100644 index 0000000..8fbf619 --- /dev/null +++ b/src/server/mga_bios.h @@ -0,0 +1,143 @@ +/* $XConsortium: mga_bios.h /main/2 1996/10/28 04:48:23 kaleb $ */ +#ifndef MGA_BIOS_H +#define MGA_BIOS_H + +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_bios.h,v 1.3 1998/07/25 16:55:51 dawes Exp $ */ + +/* + * MGABiosInfo - This struct describes the video BIOS info block. + * + * DESCRIPTION + * Do not mess with this, unless you know what you are doing. + * The data lengths and types are critical. + * + * HISTORY + * October 7, 1996 - [aem] Andrew E. Mileski + * This struct was shamelessly stolen from the MGA DDK. + * It has been reformatted, and the data types changed. + */ +typedef struct { + /* Length of this structure in bytes */ + __u16 StructLen; + + /* + * Unique number identifying the product type + * 0 : MGA-S1P20 (2MB base with 175MHz Ramdac) + * 1 : MGA-S1P21 (2MB base with 220MHz Ramdac) + * 2 : Reserved + * 3 : Reserved + * 4 : MGA-S1P40 (4MB base with 175MHz Ramdac) + * 5 : MGA-S1P41 (4MB base with 220MHz Ramdac) + */ + __u16 ProductID; + + /* Serial number of the board */ + __u8 SerNo[ 10 ]; + + /* + * Manufacturing date of the board (at product test) + * Format: yyyy yyym mmmd dddd + */ + __u16 ManufDate; + + /* Identification of manufacturing site */ + __u16 ManufId; + + /* + * Number and revision level of the PCB + * Format: nnnn nnnn nnnr rrrr + * n = PCB number ex:576 (from 0->2047) + * r = PCB revision (from 0->31) + */ + __u16 PCBInfo; + + /* Identification of any PMBs */ + __u16 PMBInfo; + + /* + * Bit 0-7 : Ramdac speed (0=175MHz, 1=220MHz) + * Bit 8-15 : Ramdac type (0=TVP3026, 1=TVP3027) + */ + __u16 RamdacType; + + /* Maximum PCLK of the ramdac */ + __u16 PclkMax; + + /* Maximum LDCLK supported by the WRAM memory */ + __u16 LclkMax; + + /* Maximum MCLK of base board */ + __u16 ClkBase; + + /* Maximum MCLK of 4Mb board */ + __u16 Clk4MB; + + /* Maximum MCLK of 8Mb board */ + __u16 Clk8MB; + + /* Maximum MCLK of board with multimedia module */ + __u16 ClkMod; + + /* Diagnostic test pass frequency */ + __u16 TestClk; + + /* Default VGA mode1 pixel frequency */ + __u16 VGAFreq1; + + /* Default VGA mode2 pixel frequency */ + __u16 VGAFreq2; + + /* Date of last BIOS programming/update */ + __u16 ProgramDate; + + /* Number of times BIOS has been programmed */ + __u16 ProgramCnt; + + /* Support for up to 32 hardware/software options */ + __u32 Options; + + /* Support for up to 32 hardware/software features */ + __u32 FeatFlag; + + /* Definition of VGA mode MCLK */ + __u16 VGAClk; + + /* Indicate the revision level of this header struct */ + __u16 StructRev; + + __u16 Reserved[ 3 ]; +} MGABiosInfo; + +/* from the PINS structure, refer pins info from MGA */ +typedef struct tagParamMGA { + __u16 PinID; /* 0 */ + __u8 StructLen; /* 2 */ + __u8 Rsvd1; /* 3 */ + __u16 StructRev; /* 4 */ + __u16 ProgramDate; /* 6 */ + __u16 ProgramCnt; /* 8 */ + __u16 ProductID; /* 10 */ + __u8 SerNo[16]; /* 12 */ + __u8 PLInfo[6]; /* 28 */ + __u16 PCBInfo; /* 34 */ + __u32 FeatFlag; /* 36 */ + __u8 RamdacType; /* 40 */ + __u8 RamdacSpeed; /* 41 */ + __u8 PclkMax; /* 42 */ + __u8 ClkGE; /* 43 */ + __u8 ClkMem; /* 44 */ + __u8 Clk4MB; /* 45 */ + __u8 Clk8MB; /* 46 */ + __u8 ClkMod; /* 47 */ + __u8 TestClk; /* 48 */ + __u8 VGAFreq1; /* 49 */ + __u8 VGAFreq2; /* 50 */ + __u8 MCTLWTST; /* 51 */ + __u8 VidCtrl; /* 52 */ + __u8 Clk12MB; /* 53 */ + __u8 Clk16MB; /* 54 */ + __u8 Reserved[8]; /* 55-62 */ + __u8 PinCheck; /* 63 */ +} MGABios2Info; + +#endif |