* interrupts without modification. I don't think these controllers exist.
*
* ---- General to-do items ----
- * TODO: Figure out why CreateClose isn't called any more. Seems to correspond
+ * TODO: Figure out why CreateClose isn't called any more. Seems to correspond
* with the driver not being unloadable.
* TODO: Think about StopDpcQueued -- could be a race; too tired atm to tell
* TODO: Clean up drive start/stop responsibilities (currently a mess...)
#include "readwrite.h"
/*
- * Global controller info structures. Each controller gets one. Since the system
+ * Global controller info structures. Each controller gets one. Since the system
* will probably have only one, with four being a very unlikely maximum, a static
* global array is easiest to deal with.
*/
}
\f
-static NTSTATUS NTAPI CreateClose(PDEVICE_OBJECT DeviceObject,
+static NTSTATUS NTAPI CreateClose(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
/*
* FUNCTION: Dispatch function called for Create and Close IRPs
* - No state to track, so this routine is easy
* - Can be called <= DISPATCH_LEVEL
*
- * TODO: Figure out why this isn't getting called
+ * TODO: Figure out why this isn't getting called
*/
{
UNREFERENCED_PARAMETER(DeviceObject);
*/
{
PKEY_VALUE_FULL_INFORMATION ControllerFullDescriptor = ControllerInformation[IoQueryDeviceConfigurationData];
- PCM_FULL_RESOURCE_DESCRIPTOR ControllerResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)((PCHAR)ControllerFullDescriptor +
+ PCM_FULL_RESOURCE_DESCRIPTOR ControllerResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)((PCHAR)ControllerFullDescriptor +
ControllerFullDescriptor->DataOffset);
PKEY_VALUE_FULL_INFORMATION PeripheralFullDescriptor = PeripheralInformation[IoQueryDeviceConfigurationData];
- PCM_FULL_RESOURCE_DESCRIPTOR PeripheralResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)((PCHAR)PeripheralFullDescriptor +
+ PCM_FULL_RESOURCE_DESCRIPTOR PeripheralResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)((PCHAR)PeripheralFullDescriptor +
PeripheralFullDescriptor->DataOffset);
PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
* triggered, this is safe to not do here, as we can just wait for the DPC.
* - Either way, we don't want to do this here. The controller shouldn't interrupt again, so we'll
* schedule a DPC to take care of it.
- * - This driver really cannot shrare interrupts, as I don't know how to conclusively say
+ * - This driver really cannot shrare interrupts, as I don't know how to conclusively say
* whether it was our controller that interrupted or not. I just have to assume that any time
- * my ISR gets called, it was my board that called it. Dumb design, yes, but it goes back to
+ * my ISR gets called, it was my board that called it. Dumb design, yes, but it goes back to
* the semantics of ISA buses. That, and I don't know much about ISA drivers. :-)
* UPDATE: The high bit of Status Register A seems to work on non-AT controllers.
* - Called at DIRQL
* UnusedDpc: Pointer to the DPC object that represents our function
* DeviceObject: Device that this DPC is running for
* Irp: Unused
- * Context: Pointer to our ControllerInfo struct
+ * Context: Pointer to our ControllerInfo struct
* NOTES:
* - This function just kicks off whatever the SynchEvent is and returns. We depend on
* the thing that caused the drive to interrupt to handle the work of clearing the interrupt.
KdPrint(("floppy: InitController: unable to set up implied seek\n"));
ControllerInfo->ImpliedSeeks = FALSE;
}
- else
+ else
{
KdPrint(("floppy: InitController: implied seeks set!\n"));
ControllerInfo->ImpliedSeeks = TRUE;
}
- /*
+ /*
* FIXME: Figure out the answer to the below
*
* I must admit that I'm really confused about the Model 30 issue. At least one
ControllerInfo->ImpliedSeeks = FALSE;
ControllerInfo->Model30 = FALSE;
}
-
+
/* Specify */
KdPrint(("FLOPPY: FIXME: Figure out speed\n"));
HeadLoadTime = SPECIFY_HLT_500K;
StepRateTime = SPECIFY_SRT_500K;
KdPrint(("floppy: InitController: issuing specify command to controller\n"));
-
+
/* Don't disable DMA --> enable dma (dumb & confusing) */
if(HwSpecify(ControllerInfo, HeadLoadTime, HeadUnloadTime, StepRateTime, FALSE) != STATUS_SUCCESS)
{
KeInitializeEvent(&ControllerInfo->MotorStoppedEvent, NotificationEvent, FALSE);
ControllerInfo->StopDpcQueued = FALSE;
- /*
- * Recalibrate each drive on the controller (depends on StartMotor, which depends on the timer stuff above)
+ /*
+ * Recalibrate each drive on the controller (depends on StartMotor, which depends on the timer stuff above)
* We don't even know if there is a disk in the drive, so this may not work, but that's OK.
*/
for(i = 0; i < ControllerInfo->NumberOfDrives; i++)
* FALSE if we can't allocate a device, adapter, or interrupt object, or if we fail to find any controllers
* TRUE otherwise (i.e. we have at least one fully-configured controller)
* NOTES:
- * - Currently we only support ISA buses.
+ * - Currently we only support ISA buses.
* - BUG: Windows 2000 seems to clobber the response from the IoQueryDeviceDescription callback, so now we
* just test a boolean value in the first object to see if it was completely populated. The same value
* is tested for each controller before we build device objects for it.
/* Find our controllers on all ISA buses */
IoQueryDeviceDescription(&InterfaceType, 0, &ControllerType, 0, &PeripheralType, 0, ConfigCallback, 0);
- /*
+ /*
* w2k breaks the return val from ConfigCallback, so we have to hack around it, rather than just
* looking for a return value from ConfigCallback. We expect at least one controller.
- */
+ */
if(!gControllerInfo[0].Populated)
{
KdPrint(("floppy: AddControllers: failed to get controller info from registry\n"));
KdPrint(("floppy: AddControllers(): Configuring drive %d on controller %d\n", i, j));
- /*
+ /*
* 3a: create a device object for the drive
* Controllers and drives are 0-based, so the combos are:
* 0: 0,0
* 5: 1,1
* ...
* 14: 3,2
- * 15: 3,3
- */
+ * 15: 3,3
+ */
DriveNumber = (UCHAR)(i*4 + j); /* loss of precision is OK; there are only 16 of 'em */
swprintf(DeviceNameBuf, L"\\Device\\Floppy%d", DriveNumber);
RtlInitUnicodeString(&DeviceName, DeviceNameBuf);
- if(IoCreateDevice(DriverObject, sizeof(PVOID), &DeviceName,
+ if(IoCreateDevice(DriverObject, sizeof(PVOID), &DeviceName,
FILE_DEVICE_DISK, FILE_REMOVABLE_MEDIA | FILE_FLOPPY_DISKETTE, FALSE,
&gControllerInfo[i].DriveInfo[j].DeviceObject) != STATUS_SUCCESS)
{
Irp->IoStatus.Status = STATUS_VERIFY_REQUIRED;
Irp->IoStatus.Information = 0;
- /*
+ /*
* If this is a user-based, threaded request, let the IO manager know to pop up a box asking
* the user to supply the correct media, but only if the error (which we just picked out above)
* is deemed by the IO manager to be "user induced". The reason we don't just unconditionally
DriverObject->DriverUnload = Unload;
/*
- * We depend on some zeroes in these structures. I know this is supposed to be
+ * We depend on some zeroes in these structures. I know this is supposed to be
* initialized to 0 by the complier but this makes me feel beter.
*/
memset(&gControllerInfo, 0, sizeof(gControllerInfo));
/*
* Set up queue. This routine cannot fail (trust me, I wrote it).
*/
- IoCsqInitialize(&Csq, CsqInsertIrp, CsqRemoveIrp, CsqPeekNextIrp,
+ IoCsqInitialize(&Csq, CsqInsertIrp, CsqRemoveIrp, CsqPeekNextIrp,
CsqAcquireLock, CsqReleaseLock, CsqCompleteCanceledIrp);
/*
InitializeListHead(&IrpQueue);
/*
- * The queue is counted by a semaphore. The queue management thread
+ * The queue is counted by a semaphore. The queue management thread
* blocks on this semaphore, so if requests come in faster than the queue
- * thread can handle them, the semaphore count goes up.
+ * thread can handle them, the semaphore count goes up.
*/
KeInitializeSemaphore(&QueueSemaphore, 0, 0x7fffffff);
return STATUS_UNSUCCESSFUL;
}
- /*
- * Close the handle, now that we have the object pointer and a reference of our own.
+ /*
+ * Close the handle, now that we have the object pointer and a reference of our own.
* The handle will certainly not be valid in the context of the caller next time we
* need it, as handles are process-specific.
*/
/*
* Start the device discovery proces. Returns STATUS_SUCCESS if
- * it finds even one drive attached to one controller.
+ * it finds even one drive attached to one controller.
*/
if(!AddControllers(DriverObject))
return STATUS_NO_SUCH_DEVICE;
projects / reactos.git / blobdiff