260 lines
9.0 KiB
C
260 lines
9.0 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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fairway.c
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Abstract:
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This module contains OEM specific functions for the IBM Fairway PCI Weitek
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Video Graphics Adapter on a PowerPC system.
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Environment:
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Kernel mode
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Revision History:
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Copied from wtkp90vl.c with changes for IBM Fairway adapter.
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--*/
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#include "dderror.h"
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#include "devioctl.h"
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#include "miniport.h"
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#include "ntddvdeo.h"
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#include "video.h"
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#include "dac.h"
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#include "p9.h"
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#include "p9gbl.h"
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#include "p9000.h"
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#include "fairway.h"
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#include "vga.h"
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//
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// OEM specific static data.
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//
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//
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// The default adapter description structure for the Weitek P9000 VL board.
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//
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ADAPTER_DESC IBMFairwayDesc =
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{
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0L, // P9 Memconf value (un-initialized)
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HSYNC_INTERNAL | VSYNC_INTERNAL |
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COMPOSITE_SYNC | VIDEO_NORMAL, // P9 Srctl value
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0L, // Number of OEM specific registers
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FALSE, // Should autodetection be attempted?
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FairwayGetBaseAddr, // Routine to detect/map P9 base addr
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VLSetMode, // Routine to set the P9 mode
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VLEnableP9, // Routine to enable P9 video
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VLDisableP9, // Routine to disable P9 video
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(PVOID) 0, // Routine to enable P9 memory
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4, // Clock divisor value
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FALSE // Is a Wtk 5x86 VGA present?
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};
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//
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// FairwayDefDACRegRange contains info about the memory/io space ranges
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// used by the DAC.
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//
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VIDEO_ACCESS_RANGE FairwayDefDACRegRange[] =
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{
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{
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RS_0_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_1_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_2_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_3_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_4_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_5_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_6_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_7_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_8_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_9_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_A_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_B_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_C_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_D_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_E_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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},
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{
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RS_F_Fairway_ADDR, // Low address
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0x00000000, // Hi address
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0x01, // length
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0, // Is range in i/o space?
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1, // Range should be visible
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1 // Range should be shareable
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}
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};
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BOOLEAN
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FairwayGetBaseAddr(
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PHW_DEVICE_EXTENSION HwDeviceExtension
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)
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/*++
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Routine Description:
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Perform board detection and if present return the P9000 base address.
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Arguments:
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HwDeviceExtension - Pointer to the miniport driver's device extension.
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Return Value:
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TRUE - Board found, P9 and Frame buffer address info was placed in
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the device extension.
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FALSE - Board not found.
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--*/
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{
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// Don't bother checking registry for base address since we are currently just
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// supporting the P9 physical base address at C0000000.
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// Initialize the high order dword of the device extension base
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// address field.
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//
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HwDeviceExtension->P9PhysAddr.HighPart = 0;
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// Initialize the low order dword of the device extension base
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// address field.
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//
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HwDeviceExtension->P9PhysAddr.LowPart = MemBase;
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if (!VLP90CoprocDetect(HwDeviceExtension,
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HwDeviceExtension->P9PhysAddr.LowPart))
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{
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return(FALSE);
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}
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//
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// Copy the DAC register access ranges to the global access range
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// structure.
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//
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VideoPortMoveMemory(&DriverAccessRanges[NUM_DRIVER_ACCESS_RANGES],
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FairwayDefDACRegRange,
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HwDeviceExtension->Dac.cDacRegs *
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sizeof(VIDEO_ACCESS_RANGE));
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return(TRUE);
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}
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