+++ /dev/null
-/*
-* PROJECT: ReactOS Universal Audio Class Driver
-* LICENSE: GPL - See COPYING in the top level directory
-* FILE: drivers/usb/usbaudio/usbaudio.c
-* PURPOSE: USB Audio device driver.
-* PROGRAMMERS:
-* Johannes Anderwald (johannes.anderwald@reactos.org)
-*/
-
-#include "usbaudio.h"
-
-static KSDEVICE_DISPATCH KsDeviceDispatch = {
- USBAudioAddDevice,
- USBAudioPnPStart,
- NULL,
- USBAudioPnPQueryStop,
- USBAudioPnPCancelStop,
- USBAudioPnPStop,
- USBAudioPnPQueryRemove,
- USBAudioPnPCancelRemove,
- USBAudioPnPRemove,
- USBAudioPnPQueryCapabilities,
- USBAudioPnPSurpriseRemoval,
- USBAudioPnPQueryPower,
- USBAudioPnPSetPower
-};
-
-static KSDEVICE_DESCRIPTOR KsDeviceDescriptor = {
- &KsDeviceDispatch,
- 0,
- NULL,
- 0x100, //KSDEVICE_DESCRIPTOR_VERSION,
- 0
-};
-
-NTSTATUS
-SubmitUrbSync(
- IN PDEVICE_OBJECT DeviceObject,
- IN PURB Urb)
-{
- PIRP Irp;
- KEVENT Event;
- IO_STATUS_BLOCK IoStatus;
- PIO_STACK_LOCATION IoStack;
- NTSTATUS Status;
-
- // init event
- KeInitializeEvent(&Event, NotificationEvent, FALSE);
-
- // build irp
- Irp = IoBuildDeviceIoControlRequest(IOCTL_INTERNAL_USB_SUBMIT_URB,
- DeviceObject,
- NULL,
- 0,
- NULL,
- 0,
- TRUE,
- &Event,
- &IoStatus);
-
- if (!Irp)
- {
- //
- // no memory
- //
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- // get next stack location
- IoStack = IoGetNextIrpStackLocation(Irp);
-
- // store urb
- IoStack->Parameters.Others.Argument1 = Urb;
-
- // call driver
- Status = IoCallDriver(DeviceObject, Irp);
-
- // wait for the request to finish
- if (Status == STATUS_PENDING)
- {
- KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
- Status = IoStatus.Status;
- }
-
- // done
- return Status;
-}
-
-NTSTATUS
-NTAPI
-USBAudioSelectConfiguration(
- IN PKSDEVICE Device,
- IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor)
-{
- PDEVICE_EXTENSION DeviceExtension;
- PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
- PUSBD_INTERFACE_LIST_ENTRY InterfaceList;
- PURB Urb;
- NTSTATUS Status;
- ULONG InterfaceDescriptorCount;
-
- /* alloc item for configuration request */
- InterfaceList = AllocFunction(sizeof(USBD_INTERFACE_LIST_ENTRY) * (ConfigurationDescriptor->bNumInterfaces + 1));
- if (!InterfaceList)
- {
- /* insufficient resources*/
- return USBD_STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* grab interface descriptor */
- InterfaceDescriptor = USBD_ParseConfigurationDescriptorEx(ConfigurationDescriptor, ConfigurationDescriptor, -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1);
- if (!InterfaceDescriptor)
- {
- /* no such interface */
- return STATUS_INVALID_PARAMETER;
- }
-
- /* lets enumerate the interfaces */
- InterfaceDescriptorCount = 0;
- while (InterfaceDescriptor != NULL)
- {
- if (InterfaceDescriptor->bInterfaceSubClass == 0x01) /* AUDIO_CONTROL*/
- {
- InterfaceList[InterfaceDescriptorCount++].InterfaceDescriptor = InterfaceDescriptor;
- }
- else if (InterfaceDescriptor->bInterfaceSubClass == 0x03) /* MIDI_STREAMING*/
- {
- InterfaceList[InterfaceDescriptorCount++].InterfaceDescriptor = InterfaceDescriptor;
- }
-
- InterfaceDescriptor = USBD_ParseConfigurationDescriptorEx(ConfigurationDescriptor, (PVOID)((ULONG_PTR)InterfaceDescriptor + InterfaceDescriptor->bLength), -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1);
- }
-
- /* build urb */
- Urb = USBD_CreateConfigurationRequestEx(ConfigurationDescriptor, InterfaceList);
- if (!Urb)
- {
- /* no memory */
- FreeFunction(InterfaceList);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* device extension */
- DeviceExtension = Device->Context;
-
- /* submit configuration urb */
- Status = SubmitUrbSync(DeviceExtension->LowerDevice, Urb);
- if (!NT_SUCCESS(Status))
- {
- /* free resources */
- ExFreePool(Urb);
- FreeFunction(InterfaceList);
- return Status;
- }
-
- /* store configuration handle */
- DeviceExtension->ConfigurationHandle = Urb->UrbSelectConfiguration.ConfigurationHandle;
-
- /* alloc interface info */
- DeviceExtension->InterfaceInfo = AllocFunction(Urb->UrbSelectConfiguration.Interface.Length);
- if (DeviceExtension->InterfaceInfo)
- {
- /* copy interface info */
- RtlCopyMemory(DeviceExtension->InterfaceInfo, &Urb->UrbSelectConfiguration.Interface, Urb->UrbSelectConfiguration.Interface.Length);
- }
- return STATUS_SUCCESS;
-}
-
-NTSTATUS
-NTAPI
-USBAudioStartDevice(
- IN PKSDEVICE Device)
-{
- PURB Urb;
- PUSB_DEVICE_DESCRIPTOR DeviceDescriptor;
- PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor;
- PDEVICE_EXTENSION DeviceExtension;
- NTSTATUS Status;
- ULONG Length;
-
- /* get device extension */
- DeviceExtension = Device->Context;
-
- /* allocate urb */
- Urb = AllocFunction(sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST));
- if (!Urb)
- {
- /* no memory */
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* alloc buffer for device descriptor */
- DeviceDescriptor = AllocFunction(sizeof(USB_DEVICE_DESCRIPTOR));
- if (!DeviceDescriptor)
- {
- /* insufficient resources */
- FreeFunction(Urb);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* build descriptor request */
- UsbBuildGetDescriptorRequest(Urb, sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST), USB_DEVICE_DESCRIPTOR_TYPE, 0, 0, DeviceDescriptor, NULL, sizeof(USB_DEVICE_DESCRIPTOR), NULL);
-
- /* submit urb */
- Status = SubmitUrbSync(DeviceExtension->LowerDevice, Urb);
- if (!NT_SUCCESS(Status))
- {
- /* free resources */
- FreeFunction(Urb);
- FreeFunction(DeviceDescriptor);
- return Status;
- }
-
- /* now allocate some space for partial configuration descriptor */
- ConfigurationDescriptor = AllocFunction(sizeof(USB_CONFIGURATION_DESCRIPTOR));
- if (!ConfigurationDescriptor)
- {
- /* free resources */
- FreeFunction(Urb);
- FreeFunction(DeviceDescriptor);
- return Status;
- }
-
- /* build descriptor request */
- UsbBuildGetDescriptorRequest(Urb, sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST), USB_CONFIGURATION_DESCRIPTOR_TYPE, 0, 0, ConfigurationDescriptor, NULL, sizeof(USB_CONFIGURATION_DESCRIPTOR), NULL);
-
- /* submit urb */
- Status = SubmitUrbSync(DeviceExtension->LowerDevice, Urb);
- if (!NT_SUCCESS(Status))
- {
- /* free resources */
- FreeFunction(Urb);
- FreeFunction(DeviceDescriptor);
- FreeFunction(ConfigurationDescriptor);
- return Status;
- }
-
- /* backup length */
- Length = ConfigurationDescriptor->wTotalLength;
-
- /* free old descriptor */
- FreeFunction(ConfigurationDescriptor);
-
- /* now allocate some space for full configuration descriptor */
- ConfigurationDescriptor = AllocFunction(Length);
- if (!ConfigurationDescriptor)
- {
- /* free resources */
- FreeFunction(Urb);
- FreeFunction(DeviceDescriptor);
- return Status;
- }
-
- /* build descriptor request */
- UsbBuildGetDescriptorRequest(Urb, sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST), USB_CONFIGURATION_DESCRIPTOR_TYPE, 0, 0, ConfigurationDescriptor, NULL, Length, NULL);
-
- /* submit urb */
- Status = SubmitUrbSync(DeviceExtension->LowerDevice, Urb);
-
- /* free urb */
- FreeFunction(Urb);
- if (!NT_SUCCESS(Status))
- {
- /* free resources */
- FreeFunction(DeviceDescriptor);
- FreeFunction(ConfigurationDescriptor);
- return Status;
- }
-
- /* lets add to object bag */
- KsAddItemToObjectBag(Device->Bag, DeviceDescriptor, ExFreePool);
- KsAddItemToObjectBag(Device->Bag, ConfigurationDescriptor, ExFreePool);
-
- Status = USBAudioSelectConfiguration(Device, ConfigurationDescriptor);
- if (NT_SUCCESS(Status))
- {
-
- DeviceExtension->ConfigurationDescriptor = ConfigurationDescriptor;
- DeviceExtension->DeviceDescriptor = DeviceDescriptor;
- }
- return Status;
-}
-
-
-NTSTATUS
-NTAPI
-USBAudioAddDevice(
- _In_ PKSDEVICE Device)
-{
- /* no op */
- DPRINT1("USBAudioAddDevice\n");
- return STATUS_SUCCESS;
-}
-
-NTSTATUS
-NTAPI
-USBAudioPnPStart(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp,
- _In_opt_ PCM_RESOURCE_LIST TranslatedResourceList,
- _In_opt_ PCM_RESOURCE_LIST UntranslatedResourceList)
-{
- NTSTATUS Status = STATUS_SUCCESS;
- PDEVICE_EXTENSION DeviceExtension;
-
- if (!Device->Started)
- {
- /* alloc context */
- DeviceExtension = AllocFunction(sizeof(DEVICE_EXTENSION));
- if (DeviceExtension == NULL)
- {
- /* insufficient resources */
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* init context */
- Device->Context = DeviceExtension;
- DeviceExtension->LowerDevice = Device->NextDeviceObject;
-
- /* add to object bag*/
- KsAddItemToObjectBag(Device->Bag, Device->Context, ExFreePool);
-
- /* init device*/
- Status = USBAudioStartDevice(Device);
- if (NT_SUCCESS(Status))
- {
- /* TODO retrieve interface */
- Status = USBAudioCreateFilterContext(Device);
- }
- }
-
- return Status;
-}
-
-NTSTATUS
-NTAPI
-USBAudioPnPQueryStop(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* no op */
- return STATUS_SUCCESS;
-}
-
-VOID
-NTAPI
-USBAudioPnPCancelStop(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* no op */
-}
-
-VOID
-NTAPI
-USBAudioPnPStop(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* TODO: stop device */
- UNIMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-USBAudioPnPQueryRemove(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* no op */
- return STATUS_SUCCESS;
-}
-
-
-VOID
-NTAPI
-USBAudioPnPCancelRemove(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* no op */
-}
-
-VOID
-NTAPI
-USBAudioPnPRemove(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* TODO: stop device */
- UNIMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-USBAudioPnPQueryCapabilities(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp,
- _Inout_ PDEVICE_CAPABILITIES Capabilities)
-{
- /* TODO: set caps */
- UNIMPLEMENTED;
- return STATUS_SUCCESS;
-}
-
-VOID
-NTAPI
-USBAudioPnPSurpriseRemoval(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp)
-{
- /* TODO: stop streams */
- UNIMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-USBAudioPnPQueryPower(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp,
- _In_ DEVICE_POWER_STATE DeviceTo,
- _In_ DEVICE_POWER_STATE DeviceFrom,
- _In_ SYSTEM_POWER_STATE SystemTo,
- _In_ SYSTEM_POWER_STATE SystemFrom,
- _In_ POWER_ACTION Action)
-{
- /* no op */
- return STATUS_SUCCESS;
-}
-
-VOID
-NTAPI
-USBAudioPnPSetPower(
- _In_ PKSDEVICE Device,
- _In_ PIRP Irp,
- _In_ DEVICE_POWER_STATE To,
- _In_ DEVICE_POWER_STATE From)
-{
- /* TODO: stop streams */
- UNIMPLEMENTED;
-}
-
-NTSTATUS
-NTAPI
-DriverEntry(
- IN PDRIVER_OBJECT DriverObject,
- IN PUNICODE_STRING RegistryPath)
-{
- NTSTATUS Status;
-
- // initialize driver
- Status = KsInitializeDriver(DriverObject, RegistryPath, &KsDeviceDescriptor);
- if (!NT_SUCCESS(Status))
- {
- // failed to initialize driver
- DPRINT1("Failed to initialize driver with %x\n", Status);
- return Status;
- }
- return Status;
-}
projects / reactos.git / blobdiff