windows-nt/Source/XPSP1/NT/drivers/video/ms/weitek/mini/wtkp9xvl.h
2020-09-26 16:20:57 +08:00

92 lines
1.5 KiB
C

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