mirror of
https://github.com/reactos/reactos.git
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Continuing work in progress
svn path=/trunk/; revision=102
This commit is contained in:
Rex Jolliff
parent
e96765787f
commit
fd5a21279e
2 changed files with 438 additions and 129 deletions
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@ -7,15 +7,56 @@
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// Modification History:
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// 08/19/98 RJJ Created.
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//
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// To do:
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// FIXME: get it working
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// FIXME: add support for DMA hardware
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// FIXME: should add support for floppy tape/zip devices
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#include <ddk/ntddk.h>
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#include "floppy.h"
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#define VERSION "V0.0.1"
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// --------------------------------------------------- File Statics
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typedef struct _FLOPPY_CONTROLLER_PARAMETERS
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{
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int PortBase;
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int Vector;
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int IrqL;
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int SynchronizeIrqL;
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KINTERRUPT_MODE InterruptMode;
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KAFFINITY Affinity;
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} FLOPPY_CONTROLLER_PARAMETERS, *PFLOPPY_CONTROLLER_PARAMETERS;
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#define FLOPPY_MAX_CONTROLLERS 2
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FLOPPY_CONTROLLER_PARAMETERS ControllerParameters[FLOPPY_MAX_CONTROLLERS] =
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{
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{0x03f0, 6, 6, 6, LevelSensitive, 0xffff},
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{0x0370, 6, 6, 6, LevelSensitive, 0xffff},
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};
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FLOPPY_DEVICE_PARAMETERS DeviceTypes[] =
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{
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/* Unknown */
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{0, 500, 16, 16, 8000, 1000, 3000, 0, 20, 5, 80, 3000, 20, {3,1,2,0,2}, 0, 0, { 7, 4, 8, 2, 1, 5, 3,10}, 1500, 0, "unknown"},
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/* 5 1/4 360 KB PC*/
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{1, 300, 16, 16, 8000, 1000, 3000, 0, 20, 5, 40, 3000, 17, {3,1,2,0,2}, 0, 0, { 1, 0, 0, 0, 0, 0, 0, 0}, 1500, 1, "360K PC"},
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/* 5 1/4 HD AT*/
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{2, 500, 16, 16, 6000, 400, 3000, 14, 20, 6, 83, 3000, 17, {3,1,2,0,2}, 0, 0, { 2, 5, 6,23,10,20,11, 0}, 1500, 2, "1.2M"},
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/* 3 1/2 DD*/
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{3, 250, 16, 16, 3000, 1000, 3000, 0, 20, 5, 83, 3000, 20, {3,1,2,0,2}, 0, 0, { 4,22,21,30, 3, 0, 0, 0}, 1500, 4, "720k"},
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/* 3 1/2 HD*/
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{4, 500, 16, 16, 4000, 400, 3000, 10, 20, 5, 83, 3000, 20, {3,1,2,0,2}, 0, 0, { 7, 4,25,22,31,21,29,11}, 1500, 7, "1.44M"},
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/* 3 1/2 ED*/
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{5, 1000, 15, 8, 3000, 400, 3000, 10, 20, 5, 83, 3000, 40, {3,1,2,0,2}, 0, 0, { 7, 8, 4,25,28,22,31,21}, 1500, 8, "2.88M AMI BIOS"},
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/* 3 1/2 ED*/
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{6, 1000, 15, 8, 3000, 400, 3000, 10, 20, 5, 83, 3000, 40, {3,1,2,0,2}, 0, 0, { 7, 8, 4,25,28,22,31,21}, 1500, 8, "2.88M"}
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};
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static BOOLEAN FloppyInitialized = FALSE;
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// ------------------------------------------------------ Functions
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// ModuleEntry
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@ -37,14 +78,14 @@
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// RETURNS:
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// NTSTATUS
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NTSTATUS ModuleEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath
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) {
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NTSTATUS
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DriverEntry(IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath)
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{
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NTSTATUS RC;
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PFLOPPY_DEVICE_EXTENSION DeviceExtension;
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// Export other driver entry points...
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// Export other driver entry points...
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DriverObject->DriverStartIo = FloppyStartIo;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = FloppyDispatchOpenClose;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = FloppyDispatchOpenClose;
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@ -52,43 +93,82 @@ NTSTATUS ModuleEntry(
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DriverObject->MajorFunction[IRP_MJ_WRITE] = FloppyDispatchReadWrite;
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DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = FloppyDispatchDeviceControl;
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// FIXME: Try to detect floppy and abort if it fails
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// Try to detect controller and abort if it fails
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if (!FloppyCreateController(DriverObject,
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&ControllerParameters[0],
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0))
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{
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DPRINT("Could not find floppy controller");
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return STATUS_NO_SUCH_DEVICE;
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}
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// Create a device object for the floppy
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RC = IoCreateDevice(DriverObject,
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sizeof(FLOPPY_DEVICE_EXTENSION),
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DeviceName,
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FILE_DEVICE_DISK,
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0,
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TRUE,
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&DeviceObject);
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if (!NT_SUCCESS(RC)) {
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DPRINT("Could not create device for floppy");
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return STATUS_NO_SUCH_DEVICE;
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}
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return STATUS_SUCCESS;
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}
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// Fill out Device Extension
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DeviceExtension = (PFLOPPY_DEVICE_EXTENSION)
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DeviceObject->DeviceExtension;
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DeviceExtension->Number = 0;
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DeviceExtension->PortBase = FLOPPY_PORT_BASE;
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DeviceExtension->Vector = FLOPPY_IRQ_VECTOR;
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DeviceExtension->IrqL = FLOPPY_DIRQL;
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DeviceExtension->DMASupported = FALSE;
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DeviceExtension->FloppyState = FloppyStateIdle;
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static BOOLEAN
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FloppyCreateController(PDRIVER_OBJECT DriverObject,
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PFLOPPY_CONTROLLER_PARAMETERS ControllerParameters,
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int Index)
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{
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PFLOPPY_CONTROLLER_TYPE ControllerType;
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PCONTROLLER_OBJECT ControllerObject;
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PFLOPPY_CONTROLLER_EXTENSION ControllerExtension;
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// Register an interrupt handler for this device
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RC = IoConnectInterrupt(&DeviceExtension->Interrupt,
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FloppyIsr, DeviceExtension, NULL,
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DeviceExtension->Vector, DeviceExtension->IrqL,
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DeviceExtension->IrqL, FLOPPY_IRQ_MODE,
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FALSE, FLOPPY_AFFINITY, FALSE);
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if (!NT_SUCCESS(RC)) {
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DPRINT("Could not Connect Interrupt %d\n", DeviceExtension->Vector);
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return STATUS_NO_SUCH_DEVICE;
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}
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/* Detect controller and determine type */
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if (!FloppyGetControllerVersion(ControllerParameters, &ControllerType))
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{
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return FALSE;
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}
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// FIXME: register a DMA handler if needed for this controller
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// FIXME: Register port ranges and interrupts with HAL
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/* Create controller object for FDC */
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ControllerObject = IoCreateController(sizeof(FLOPPY_CONTROLLER_EXTENSION));
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if (ControllerObject == NULL)
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{
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DPRINT("Could not create controller object for controller %d\n",
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Index);
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return FALSE;
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}
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// FIXME: fill out controller data
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ControllerExtension = (PFLOPPY_CONTROLLER_EXTENSION)
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ControllerObject->ControllerExtension;
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ControllerExtension->Number = Index;
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ControllerExtension->PortBase = ControllerParameters->PortBase;
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ControllerExtension->Vector = ControllerParameters->Vector;
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ControllerExtension->FDCType = ControllerType;
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/* Initialize the spin lock in the controller extension */
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KeInitializeSpinLock(&ControllerExtension->SpinLock);
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/* Register an interrupt handler for this controller */
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RC = IoConnectInterrupt(&ControllerExtension->Interrupt,
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FloppyIsr,
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ControllerExtension,
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&ControllerExtension->SpinLock,
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ControllerExtension->Vector,
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ControllerParameters->IrqL,
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ControllerParameters->SynchronizeIrqL,
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ControllerParameters->InterruptMode,
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FALSE,
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ControllerParameters->Affinity,
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FALSE);
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if (!NT_SUCCESS(RC))
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{
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DPRINT("Could not Connect Interrupt %d\n", ControllerExtension->Vector);
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IoDeleteController(ControllerObject);
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return FALSE;
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}
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// FIXME: setup DMA stuff for controller
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// Check for each possible drive and create devices for them
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for (DriveIdx = 0; DriveIdx < FLOPPY_MAX_DRIVES; DriveIdx++)
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{
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// FIXME: try to identify the drive
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// FIXME: create a device if it's there
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}
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return STATUS_SUCCESS;
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}
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@ -110,109 +190,255 @@ NTSTATUS ModuleEntry(
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// COMMENTS:
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// This routine (get_fdc_version) was originally written by David C. Niemi
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//
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static BOOLEAN FloppyGetControllerVersion(
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IN OUT PFLOPPY_DEVICE_EXTENSION DeviceExtension
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) {
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int Result;
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FLOPPY_CMD CommandToSend;
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FLOPPY_RESULT ResultReturned
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static BOOLEAN
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FloppyGetControllerVersion(IN PFLOPPY_CONTROLLER_PARAMETERS ControllerParameters,
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OUT PFLOPPY_CONTROLLER_TYPE ControllerType)
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{
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BYTE ResultReturned
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BYTE Result[FLOPPY_MAX_REPLIES];
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int ResultLength;
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CommandToSend.CMd[0] = FLOPPY_CMD_FD_DUMPREGS;
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FloppyWriteCommand(DeviceExtension->PortBase, &CommandToSend, &ResultReturned);
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/* 82072 and better know DUMPREGS */
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if (!FloppyWriteCommandByte(ControllerParameters->PortBase,
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FLOPPY_CMD_DUMP_FDC))
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{
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return FALSE;
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}
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ResultLength = FloppyReadResultCode(PortBase, &Result));
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if (ResultLength < 0)
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{
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return FALSE;
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}
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/* 82072 and better know DUMPREGS */
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if (FDCS->reset)
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return FDC_NONE;
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if ((r = result()) <= 0x00)
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return FDC_NONE; /* No FDC present ??? */
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if ((r==1) && (reply_buffer[0] == 0x80)){
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printk(KERN_INFO "FDC %d is an 8272A\n",fdc);
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return FDC_8272A; /* 8272a/765 don't know DUMPREGS */
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}
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if (r != 10) {
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printk("FDC %d init: DUMPREGS: unexpected return of %d bytes.\n",
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fdc, r);
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return FDC_UNKNOWN;
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}
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/* 8272a/765 don't know DUMPREGS */
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if ((ResultLength == 1) && (Result[0] == 0x80))
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{
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DPRINT("FDC %d is an 8272A\n", PortBase);
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*ControllerType = FDC_8272A;
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return TRUE;
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}
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if (r != 10)
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{
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DPRINT("FDC %d init: DUMP_FDC: unexpected return of %d bytes.\n",
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PortBase,
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ResultLength);
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return FALSE;
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}
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if(!fdc_configure()) {
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printk(KERN_INFO "FDC %d is an 82072\n",fdc);
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return FDC_82072; /* 82072 doesn't know CONFIGURE */
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}
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if (!FloppyConfigure(PortBase, FALSE, 0x0a))
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{
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DPRINT("FDC %d is an 82072\n", PortBase);
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*ControllerType = FDC_82072;
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return TRUE;
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}
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FloppyWriteCommandByte(PortBase, FLOPPY_CMD_PPND_RW);
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if (FloppyNeedsMoreOutput(PortBase, Result) == FLOPPY_NEEDS_OUTPUT)
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{
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FloppyWriteCommandByte(PortBase, 0);
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}
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else
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{
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DPRINT("FDC %d is an 82072A\n", PortBase);
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*ControllerType = FDC_82072A;
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return TRUE;
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}
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output_byte(FD_PERPENDICULAR);
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if(need_more_output() == MORE_OUTPUT) {
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output_byte(0);
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} else {
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printk(KERN_INFO "FDC %d is an 82072A\n", fdc);
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return FDC_82072A; /* 82072A as found on Sparcs. */
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}
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/* Pre-1991 82077, doesn't know LOCK/UNLOCK */
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FloppyWriteCommandByte(PortBase, FLOPPY_CMD_UNLK_FIFO);
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ResultLength = FloppyReadResultCode(PortBase, &Result));
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if ((ResultLength == 1) && (Result[0] == 0x80))
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{
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DPRINT("FDC %d is a pre-1991 82077\n", PortBase);
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*ControllerType = FDC_82077_ORIG;
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return TRUE;
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}
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if ((ResultLength != 1) || (Result[0] != 0x00))
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{
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DPRINT("FDC %d init: UNLOCK: unexpected return of %d bytes.\n",
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PortBase,
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ResultLength);
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return FALSE;
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}
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output_byte(FD_UNLOCK);
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r = result();
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if ((r == 1) && (reply_buffer[0] == 0x80)){
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printk(KERN_INFO "FDC %d is a pre-1991 82077\n", fdc);
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return FDC_82077_ORIG; /* Pre-1991 82077, doesn't know
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* LOCK/UNLOCK */
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}
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if ((r != 1) || (reply_buffer[0] != 0x00)) {
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printk("FDC %d init: UNLOCK: unexpected return of %d bytes.\n",
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fdc, r);
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return FDC_UNKNOWN;
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}
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output_byte(FD_PARTID);
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r = result();
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if (r != 1) {
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printk("FDC %d init: PARTID: unexpected return of %d bytes.\n",
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fdc, r);
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return FDC_UNKNOWN;
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}
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if (reply_buffer[0] == 0x80) {
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printk(KERN_INFO "FDC %d is a post-1991 82077\n",fdc);
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return FDC_82077; /* Revised 82077AA passes all the tests */
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}
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switch (reply_buffer[0] >> 5) {
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case 0x0:
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/* Either a 82078-1 or a 82078SL running at 5Volt */
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printk(KERN_INFO "FDC %d is an 82078.\n",fdc);
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return FDC_82078;
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case 0x1:
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printk(KERN_INFO "FDC %d is a 44pin 82078\n",fdc);
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return FDC_82078;
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case 0x2:
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printk(KERN_INFO "FDC %d is a S82078B\n", fdc);
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return FDC_S82078B;
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case 0x3:
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printk(KERN_INFO "FDC %d is a National Semiconductor PC87306\n", fdc);
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return FDC_87306;
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default:
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printk(KERN_INFO "FDC %d init: 82078 variant with unknown PARTID=%d.\n",
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fdc, reply_buffer[0] >> 5);
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return FDC_82078_UNKN;
|
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}
|
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} /* get_fdc_version */
|
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/* Revised 82077AA passes all the tests */
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FloppyWriteCommandByte(PortBase, FLOPPY_CMD_PARTID);
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ResultLength = FloppyReadResultCode(PortBase, &Result));
|
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if (ResultLength != 1)
|
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{
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DPRINT("FDC %d init: PARTID: unexpected return of %d bytes.\n",
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PortBase,
|
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ResultLength);
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return FALSE;
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}
|
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if (Result[0] == 0x80)
|
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{
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DPRINT("FDC %d is a post-1991 82077\n", PortBase);
|
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*ControllerType = FDC_82077;
|
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return TRUE;
|
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}
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switch (Result[0] >> 5)
|
||||
{
|
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case 0x0:
|
||||
/* Either a 82078-1 or a 82078SL running at 5Volt */
|
||||
DPRINT("FDC %d is an 82078.\n", PortBase);
|
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*ControllerType = FDC_82078;
|
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return TRUE;
|
||||
|
||||
case 0x1:
|
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DPRINT("FDC %d is a 44pin 82078\n", PortBase);
|
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*ControllerType = FDC_82078;
|
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return TRUE;
|
||||
|
||||
static NTSTATUS FloppyStartIo(
|
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IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp
|
||||
) {
|
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PIO_STACK_LOCATION IrpStack;
|
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PFLOPPY_DEVICE_EXTENSION DeviceExtension;
|
||||
|
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IrpStack = IoGetCurrentIrpStackLocation(Irp);
|
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DeviceExtension = (PFLOPPY_DEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
||||
case 0x2:
|
||||
DPRINT("FDC %d is a S82078B\n", PortBase);
|
||||
*ControllerType = FDC_S82078B;
|
||||
return TRUE;
|
||||
|
||||
|
||||
case 0x3:
|
||||
DPRINT("FDC %d is a National Semiconductor PC87306\n", PortBase);
|
||||
*ControllerType = FDC_87306;
|
||||
return TRUE;
|
||||
|
||||
default:
|
||||
DPRINT("FDC %d init: 82078 variant with unknown PARTID=%d.\n",
|
||||
PortBase,
|
||||
Result[0] >> 5);
|
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*ControllerType = FDC_82078_UNKN;
|
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return TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
FloppyDispatchOpenClose
|
||||
/* sends a command byte to the fdc */
|
||||
static BOOLEAN
|
||||
FloppyWriteCommandByte(WORD PortBase, BYTE Byte)
|
||||
{
|
||||
int Status;
|
||||
|
||||
FloppyDispatchReadWrite
|
||||
if ((Status = FloppyWaitUntilReady()) < 0)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
FloppyDispatchDeviceControl
|
||||
if ((Status & (STATUS_READY|STATUS_DIR|STATUS_DMA)) == STATUS_READY)
|
||||
{
|
||||
FloppyWriteData(PortBase, Byte);
|
||||
return 0;
|
||||
}
|
||||
|
||||
FloppyIsr
|
||||
if (FloppyInitialized)
|
||||
{
|
||||
DPRINT("Unable to send byte %x to FDC. Fdc=%x Status=%x\n",
|
||||
Byte,
|
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PortBase,
|
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Status);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* gets the response from the fdc */
|
||||
static int
|
||||
FloppyReadResultCode(WORD PortBase, PBYTE Result)
|
||||
{
|
||||
int Replies;
|
||||
int Status;
|
||||
|
||||
for (Replies = 0; Replies < FLOPPY_MAX_REPLIES; Replies++)
|
||||
{
|
||||
if ((Status = FloppyWaitUntilReady(PortBase)) < 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
Status &= STATUS_DIR | STATUS_READY | STATUS_BUSY | STATUS_DMA;
|
||||
if ((Status & ~STATUS_BUSY) == STATUS_READY)
|
||||
{
|
||||
return Replies;
|
||||
}
|
||||
if (Status == (STATUS_DIR | STATUS_READY | STATUS_BUSY))
|
||||
{
|
||||
Result[Replies] = fd_inb(FD_DATA);
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (FloppyInitialized)
|
||||
{
|
||||
DPRINT("get result error. Fdc=%d Last status=%x Read bytes=%d\n",
|
||||
PortBase,
|
||||
Status,
|
||||
Replies);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* waits until the fdc becomes ready */
|
||||
static int
|
||||
FloppyWaitUntilReady(WORD PortBase)
|
||||
{
|
||||
int Retries;
|
||||
int Status;
|
||||
|
||||
for (Retries = 0; Retries < FLOPPY_MAX_STAT_RETRIES; Retries++)
|
||||
{
|
||||
status = FloppyReadSTAT(PortBase);
|
||||
if (Status & STATUS_READY)
|
||||
{
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
|
||||
if (FloppyInitialized)
|
||||
{
|
||||
DPRINT("Getstatus times out (%x) on fdc %d\n",
|
||||
Status,
|
||||
PortBase);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
#define MORE_OUTPUT -2
|
||||
/* does the fdc need more output? */
|
||||
static int
|
||||
FloppyNeedsMoreOutput(WORD PortBase, PBYTE Result)
|
||||
{
|
||||
int Status;
|
||||
|
||||
if ((Status = FloppyWaitUntilReady(PortBase)) < 0)
|
||||
return -1;
|
||||
if ((Status & (STATUS_READY | STATUS_DIR | STATUS_DMA)) == STATUS_READY)
|
||||
{
|
||||
return FLOPPY_NEEDS_OUTPUT;
|
||||
}
|
||||
|
||||
return FloppyReadResultCode(PortBase, Result);
|
||||
}
|
||||
|
||||
static BOOLEAN
|
||||
FloppyConfigure(WORD PortBase, BOOLEAN DisableFIFO, BYTE FIFODepth)
|
||||
{
|
||||
BYTE Result[FLOPPY_MAX_REPLIES];
|
||||
|
||||
/* Turn on FIFO */
|
||||
FloppyWriteCommandByte(FLOPPY_CMD_CFG_FIFO);
|
||||
if (FloppyNeedsOutput(PortBase, Result) != FLOPPY_NEEDS_OUTPUT)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
FloppyWriteCommandByte(PortBase, 0);
|
||||
FloppyWriteCommandByte(PortBase,
|
||||
0x10 |
|
||||
(DisableFIFO ? 0x20 : 0x00) |
|
||||
(FIFODepth & 0x0f));
|
||||
/* pre-compensation from track 0 upwards */
|
||||
FloppyWriteCommandByte(PortBase, 0);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,10 @@
|
|||
|
||||
#define FLOPPY_MAX_STAT_RETRIES 10000
|
||||
|
||||
#define FLOPPY_NEEDS_OUTPUT -2
|
||||
//
|
||||
// Floppy register definitions
|
||||
//
|
||||
|
||||
#define FLOPPY_REG_DOR 0x0002
|
||||
#define FLOPPY_REG_MSTAT 0x0004
|
||||
|
|
@ -71,5 +77,82 @@
|
|||
#define FLOPPY_CMD_WRITE (FLOPPY_CMD_WRT_DATA | FLOPPY_C0M_MFM | FLOPPY_C0M_MT)
|
||||
#define FLOPPY_CMD_FORMAT (FLOPPY_CMD_FMT_TRK | FLOPPY_C0M_MFM)
|
||||
|
||||
//
|
||||
// HAL floppy register access commands
|
||||
//
|
||||
#define FloppyWriteDOR(A, V) (WRITE_BYTE((A) + FLOPPY_REG_DOR, (V)))
|
||||
#define FloppyReadMSTAT(A) (READ_BYTE((A) + FLOPPY_REG_MSTAT))
|
||||
#define FloppyReadDATA(A) (READ_BYTE((A) + FLOPPY_REG_DATA))
|
||||
#define FloppyWriteDATA(A, V) (WRITE_BYTE((A) + FLOPPY_REG_DATA, (V)))
|
||||
#define FloppyReadDIR(A) (READ_BYTE((A) + FLOPPY_REG_DIR))
|
||||
#define FloppyWriteCCNTL(A, V) (WRITE_BYTE((A) + FLOPPY_REG_CCNTL, (V)))
|
||||
|
||||
//
|
||||
// Known Floppy controller types
|
||||
//
|
||||
typedef enum _FLOPPY_CONTROLLER_TYPE
|
||||
{
|
||||
FDC_NONE,
|
||||
FDC_UNKNOWN,
|
||||
FDC_8272A, /* Intel 8272a, NEC 765 */
|
||||
FDC_765ED, /* Non-Intel 1MB-compatible FDC, can't detect */
|
||||
FDC_82072, /* Intel 82072; 8272a + FIFO + DUMPREGS */
|
||||
FDC_82072A, /* 82072A (on Sparcs) */
|
||||
FDC_82077_ORIG, /* Original version of 82077AA, sans LOCK */
|
||||
FDC_82077, /* 82077AA-1 */
|
||||
FDC_82078_UNKN, /* Unknown 82078 variant */
|
||||
FDC_82078, /* 44pin 82078 or 64pin 82078SL */
|
||||
FDC_82078_1, /* 82078-1 (2Mbps fdc) */
|
||||
FDC_S82078B, /* S82078B (first seen on Adaptec AVA-2825 VLB SCSI/EIDE/Floppy controller) */
|
||||
FDC_87306 /* National Semiconductor PC 87306 */
|
||||
} FLOPPY_CONTROLLER_TYPE, *PFLOPPY_CONTROLLER_TYPE;
|
||||
|
||||
typedef struct _FLOPPY_ERROR_THRESHOLDS
|
||||
{
|
||||
/* number of errors to be reached before aborting */
|
||||
unsigned int Abort;
|
||||
/* maximal number of errors permitted to read an entire track at once */
|
||||
unsigned int ReadTrack;
|
||||
/* maximal number of errors before a reset is tried */
|
||||
unsigned int Reset;
|
||||
/* maximal number of errors before a recalibrate is tried */
|
||||
unsigned int Recal;
|
||||
/*
|
||||
* Threshold for reporting FDC errors to the console.
|
||||
* Setting this to zero may flood your screen when using
|
||||
* ultra cheap floppies ;-)
|
||||
*/
|
||||
unsigned int Reporting;
|
||||
} FLOPPY_ERROR_THRESHOLDS;
|
||||
|
||||
#define FDP_DEBUG 0x02
|
||||
#define FDP_SILENT_DCL_CLEAR 0x04
|
||||
#define FDP_MSG 0x10
|
||||
#define FDP_BROKEN_DCL 0x20
|
||||
#define FDP_INVERTED_DCL 0x80
|
||||
|
||||
typedef struct _FLOPPY_DEVICE_PARAMETERS
|
||||
{
|
||||
char CMOSType;
|
||||
unsigned long MaxDTR; /* Step rate, usec */
|
||||
unsigned long HLT; /* Head load/settle time, msec */
|
||||
unsigned long HUT; /* Head unload time (remnant of 8" drives) */
|
||||
unsigned long SRT; /* Step rate, usec */
|
||||
unsigned long Spinup; /* time needed for spinup */
|
||||
unsigned long Spindown; /* timeout needed for spindown */
|
||||
unsigned char SpindownOffset; /* decides in which position the disk will stop */
|
||||
unsigned char SelectDelay; /* delay to wait after select */
|
||||
unsigned char RPS; /* rotations per second */
|
||||
unsigned char Tracks; /* maximum number of tracks */
|
||||
unsigned long Timeout; /* timeout for interrupt requests */
|
||||
unsigned char InterleaveSect; /* if there are more sectors, use interleave */
|
||||
FLOPPY_ERROR_THRESHOLDS MaxErrors;
|
||||
char Flags; /* various flags, including ftd_msg */
|
||||
BOOLEAN ReadTrack; /* use readtrack during probing? */
|
||||
short Autodetect[8]; /* autodetected formats */
|
||||
int CheckFreq; /* how often should the drive be checked for disk changes */
|
||||
int NativeFormat; /* native format of this drive */
|
||||
char *DriveName; /* name of the drive for reporting */
|
||||
} FLOPPY_DEVICE_PARAMETERS, *PFLOPPY_DEVICE_PARAMETERS;
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue