92 lines
1.5 KiB
C
92 lines
1.5 KiB
C
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/*++
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Copyright (c) 1993 Weitek Corporation
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Module Name:
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wtkp9xvl.h
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Abstract:
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This module contains definitions for the Weitek P9000 VL evaluation
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board.
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Environment:
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Kernel mode
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Revision History may be found at the end of this file.
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--*/
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//
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// Default memory addresses for the P9100 registers/frame buffer.
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//
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#define P91_MemBase 0xC0000000 // default physical address
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//
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// Default memory addresses for the P9000 registers/frame buffer.
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//
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#define MemBase 0x80000000
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//
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// Bit to write to the sequencer control register to enable/disable P9
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// video output.
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//
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#define P9_VIDEO_ENB 0x10
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#define P9_VIDEO_DIS ~P9_VIDEO_ENB
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//
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// Define the bit in the sequencer control register which determines
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// the sync polarities. For Weitek board, 1 = positive.
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//
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#define HSYNC_POL_MASK 0x20
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#define POL_MASK HSYNC_POL_MASK
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extern ULONG P91_Bt485_DAC_Regs[];
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VOID
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P91_WriteTiming(
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PHW_DEVICE_EXTENSION HwDeviceExtension
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);
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VOID
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CalcP9100MemConfig (
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PHW_DEVICE_EXTENSION HwDeviceExtension
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);
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VOID
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P91_SysConf(
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PHW_DEVICE_EXTENSION HwDeviceExtension
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);
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VOID
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ProgramClockSynth(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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USHORT usFrequency,
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BOOLEAN bSetMemclk,
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BOOLEAN bUseClockDoubler
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);
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VOID
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SetupVideoBackend(
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PHW_DEVICE_EXTENSION HwDeviceExtension
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);
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VOID
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WriteP9ConfigRegister(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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UCHAR regnum,
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UCHAR jValue
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);
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UCHAR
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ReadP9ConfigRegister(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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UCHAR regnum
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);
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