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IABSD.fr/xenocara/driver/xf86-video-mga/mga_PInS.txt
matthieu
- driver/xf86-video-mga/mga_PInS.txt
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Version 1: Offset Type Description 0 uint16_t Length of the PInS data, in bytes. This must be 64. 2 uint16_t Product ID. Possible values are: 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) 4 char[8] Serial number of the board. NUL terminated string. 12 uint16_t Manufacturing date of the board (at product test). Format (stored little-endian) yyyyyyymmmmddddd. 14 uint16_t Identification of manufacturing site. 16 uint16_t Number and revision level of the PCB. Format (stored little-endian): nnnnnnnnnnnrrrrr, where n = PCB number ex:576 (from 0->2047) and r = PCB revision (from 0->31). 18 uint16_t Identification of any PMBs. 20 uint8_t RAMDAC speed (0=175MHz, 1=220MHz). 21 uint8_t RAMDAC type (0=TVP3026, 1=TVP3027). 22 uint16_t Maximum PCLK of the ramdac. 24 uint16_t Maximum LDCLK supported by the WRAM memory. 26 uint16_t Maximum MCLK of base board. 28 uint16_t Maximum MCLK of 4Mb board. 30 uint16_t Maximum MCLK of 8Mb board. 32 uint16_t Maximum MCLK of board with multimedia module. 34 uint16_t Diagnostic test pass frequency. 36 uint16_t Default VGA mode1 pixel frequency. 38 uint16_t Default VGA mode2 pixel frequency. 40 uint16_t Date of last BIOS programming / update. 42 uint16_t Number of times BIOS has been programmed. 44 uint32_t Support for up to 32 hardware/software options. 48 uint32_t Support for up to 32 hardware/software features. 52 uint16_t Definition of VGA mode MCLK. 54 uint16_t Indicate the revision level of this header struct. 56 char[7] Unused. 63 uint8_t Check-sum byte. Version 2: Unless otherwise noted, all clock speeds stored in this version of the PInS data are stored as the clock speed in MHz minus 100. To convert a stored clock speed, C, to kHz, use ((C + 100) * 1000). Offset Type Description 0 uint16_t PInS structure signature. This must be the 16-bit value (stored little-endian) 0x412E. 2 uint8_t Length of the PInS data, in bytes. For version 2, this must be 64. 3 uint8_t Reserved. 4 uint16_t Version of the structure. For version 2, this must be the value (stored little-endian) 0x02XX. 6 uint16_t Date of last BIOS programming / update. 8 uint16_t Number of times BIOS has been programmed. 10 uint16_t Product ID. 12 char[16] Serial number of the board. NUL terminated string. 28 char[6] Parts list identification. NUL terminated string. 34 uint16_t Number and revision level of the PCB. Format (stored little-endian): nnnnnnnnnnnrrrrr, where n = PCB number ex:576 (from 0->2047) and r = PCB revision (from 0->31). 36 uint32_t Support for up to 32 hardware/software features. 40 uint8_t RAMDAC type. 41 uint8_t RAMDAC speed. Stored using standard clock encoding (see above). 42 uint8_t PclkMax 43 uint8_t Memory clock. Stored using standard clock encoding (see above). 44 uint8_t Maximum MCLK of base board. 45 uint8_t Maximum MCLK of 4Mb board. 46 uint8_t Maximum MCLK of 8Mb board. 47 uint8_t Maximum MCLK of board with multimedia module. 48 uint8_t TestClk 49 uint8_t Default VGA mode1 pixel frequency. 50 uint8_t Default VGA mode2 pixel frequency. 51 uint8_t MCTLWTST 52 uint8_t VidCtrl 53 uint8_t Maximum MCLK of 12Mb board. 54 uint8_t Maximum MCLK of 16Mb board. 55 char[8] Unused 63 uint8_t Check-sum byte Version 3: Unless otherwise noted, all clock speeds stored in this version of the PInS data are stored as the clock speed in MHz minus 100. To convert a stored clock speed, C, to kHz, use ((C + 100) * 1000). Offset Type Description 0 uint16_t PInS structure signature. This must be the 16-bit value (stored little-endian) 0x412E. 2 uint8_t Length of the PInS data, in bytes. For version 3, this must be 64. 3 uint8_t Reserved. 4 uint16_t Version of the structure. For version 3, this must be the value (stored little-endian) 0x03XX. 6 uint16_t Date of last BIOS programming / update. 8 uint16_t Number of times BIOS has been programmed. 10 uint16_t Product ID. 12 char[16] Serial number of the board. NUL terminated string. 28 char[6] Parts list identification. NUL terminated string. 34 uint16_t Number and revision level of the PCB. Format (stored little-endian): nnnnnnnnnnnrrrrr, where n = PCB number ex:576 (from 0->2047) and r = PCB revision (from 0->31). 36 uint8_t RAMDAC speed. Stored using standard clock encoding (see above). 37 char[15] Unknown? 52 uint32_t OPTION? Stored little-endian. Bits Meaning 0 - 4 Unknown? 5 0 = Reference PLL speed is 27.050MHz. 1 = Reference PLL speed is 14.318MHz. 6 - 31 Unknown? 56 uint16_t MEMRDBK? 58 uint32_t OPTION2? 62 char Unused 63 uint8_t Check-sum byte Version 4: Unless otherwise noted, all clock speeds stored in this version of the PInS data are stored as the clock speed in MHz divided by 4. To convert a stored clock speed, C, to kHz, use ((C * 4) * 1000). Offset Type Description 0 uint16_t PInS structure signature. This must be the 16-bit value (stored little-endian) 0x412E. 2 uint8_t Length of the PInS data, in bytes. For version 4, this must be 128. 3 uint8_t Reserved. 4 uint16_t Version of the structure. For version 4, this must be the value (stored little-endian) 0x04XX. 6 uint16_t Date of last BIOS programming / update. 8 uint16_t Number of times BIOS has been programmed. 10 uint16_t Product ID. 12 char[16] Serial number of the board. NUL terminated string. 28 char[6] Parts list identification. NUL terminated string. 34 uint16_t Number and revision level of the PCB. Format (stored little-endian): nnnnnnnnnnnrrrrr, where n = PCB number ex:576 (from 0->2047) and r = PCB revision (from 0->31). 36 char Unknown? 37 char Unknown? 38 uint8_t VCO max for system PLL 39 uint8_t VCO max for pixel PLL 40 char[13] Unknown? 53 uint8_t OPTION? 54 char[11] Unknown? 65 uint8_t System PLL? Stored using standard clock encoding (see above). 66 char Unknown? 67 uint32_t OPTION3? This offset seems wrong, but that's what matroxfb does. 71 char[15] Unknown? 86 uint16_t MEMRDBK? 88 char[4] Unknown? 92 uint32_t OPTIONx? Bits Meaning 0 0 = Reference PLL speed is 27.050MHz. 1 = Reference PLL speed is 14.318MHz. 1 - 31 Unknown? 96 char[21] Unknown? 127 uint8_t Check-sum byte Version 5: Unless otherwise noted, all clock speeds stored in this version of the PInS data are stored as the clock speed in MHz divided by 6 for version 0x500 or by 8 for all other versions. To convert a stored clock speed, C, to kHz, on version 0x0500, use ((C * 6) * 1000). For all other versions, use ((C * 8) * 1000). Offset Type Description 0 uint16_t PInS structure signature. This must be the 16-bit value (stored little-endian) 0x412E. 2 uint8_t Length of the PInS data, in bytes. For version 5, this must be 128. 3 uint8_t Reserved. 4 uint16_t Version of the structure. For version 5, this must be the value (stored little-endian) 0x05XX. 6 uint16_t Date of last BIOS programming / update. 8 uint16_t Number of times BIOS has been programmed. 10 uint16_t Product ID. 12 char[16] Serial number of the board. NUL terminated string. 28 char[6] Parts list identification. NUL terminated string. 34 uint16_t Number and revision level of the PCB. Format (stored little-endian): nnnnnnnnnnnrrrrr, where n = PCB number ex:576 (from 0->2047) and r = PCB revision (from 0->31). 36 uint8_t VCO max for system PLL. Stored using standard clock encoding (see above). 37 uint8_t VCO max for video PLL. Stored using standard clock encoding (see above). 38 uint8_t VCO max for pixel PLL. Stored using standard clock encoding (see above). 39 char[9] Unknown? 48 uint32_t OPTION1? 52 uint32_t OPTION2? 56 char[38] Unknown? 94 uint32_t OPTION3? 98 uint32_t MCTLWTST? 102 uint32_t MEMMISC? 106 uint32_t MEMRDBK? 110 uint32_t OPTIONx? Bits Meaning 0 0 = Reference PLL speed is 27.050MHz. 1 = Reference PLL speed is 14.318MHz. 1 - 31 Unknown? 114 uint16_t MEMINFO? Bits Meaning 0 - 4 Unknown 5 - 6 0 = SDR memory installed? 1 = DDR memory installed 2 = Unknown 3 = Unknown 7 Unknown 8 EMRSWEN? 9 Has DLL? 10 Core uses MCTLWTST? 11 - 15 MCTLWTST values for core? 116 uint16_t Display Info. Bits Meaning 0-3 Primary display info (see below) 4-7 Secondary display info (see below) 8-10 Primary modes (see below) 13 Default output 0 = default output is secondary connector 1 = default output is primary connector 12-14 Secondary modes (see below) 15 Primary hardware dectect 0 = hardware detection is off 1 = use hardware detection to determine main output Display info values: 0000 None 0001 HD15 0010 DVI 0011 TV x1xx Reserved 1xxx Reserved Modes values: xx1 Analog x1x Digital 1xx TV 118 char[3] Unknown? 121 uint8_t VCO min for system PLL. Stored using standard clock encoding (see above). 122 uint8_t VCO min for video PLL. Stored using standard clock encoding (see above). 123 uint8_t VCO min for pixel PLL. Stored using standard clock encoding (see above). 124 char[3] Unknown? 127 uint8_t Check-sum byte