Global variables have been moved backward ahead of functions.
Only a few cases were left due to its module structure. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6816 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jji4
@@ -350,6 +350,396 @@ UsbBusRecursivelyConnectWantedUsbIo (
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IN EFI_USB_BUS_PROTOCOL *UsbBusId
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);
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/**
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USB_IO function to execute a control transfer. This
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function will execute the USB transfer. If transfer
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successes, it will sync the internal state of USB bus
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with device state.
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@param This The USB_IO instance
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@param Request The control transfer request
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@param Direction Direction for data stage
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@param Timeout The time to wait before timeout
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@param Data The buffer holding the data
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@param DataLength Then length of the data
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@param UsbStatus USB result
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@retval EFI_INVALID_PARAMETER The parameters are invalid
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@retval EFI_SUCCESS The control transfer succeded.
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@retval Others Failed to execute the transfer
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**/
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EFI_STATUS
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EFIAPI
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UsbIoControlTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION Direction,
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IN UINT32 Timeout,
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IN OUT VOID *Data, OPTIONAL
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IN UINTN DataLength, OPTIONAL
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OUT UINT32 *UsbStatus
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);
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/**
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Execute a bulk transfer to the device endpoint.
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@param This The USB IO instance.
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@param Endpoint The device endpoint.
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@param Data The data to transfer.
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@param DataLength The length of the data to transfer.
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@param Timeout Time to wait before timeout.
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@param UsbStatus The result of USB transfer.
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@retval EFI_SUCCESS The bulk transfer is OK.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval Others Failed to execute transfer, reason returned in
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UsbStatus.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoBulkTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 Endpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *UsbStatus
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);
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/**
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Execute a synchronous interrupt transfer.
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@param This The USB IO instance.
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@param Endpoint The device endpoint.
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@param Data The data to transfer.
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@param DataLength The length of the data to transfer.
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@param Timeout Time to wait before timeout.
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@param UsbStatus The result of USB transfer.
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@retval EFI_SUCCESS The synchronous interrupt transfer is OK.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval Others Failed to execute transfer, reason returned in
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UsbStatus.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoSyncInterruptTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 Endpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *UsbStatus
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);
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/**
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Queue a new asynchronous interrupt transfer, or remove the old
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request if (IsNewTransfer == FALSE).
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@param This The USB_IO instance.
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@param Endpoint The device endpoint.
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@param IsNewTransfer Whether this is a new request, if it's old, remove
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the request.
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@param PollInterval The interval to poll the transfer result, (in ms).
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@param DataLength The length of perodic data transfer.
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@param Callback The function to call periodicaly when transfer is
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ready.
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@param Context The context to the callback.
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@retval EFI_SUCCESS New transfer is queued or old request is removed.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval Others Failed to queue the new request or remove the old
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request.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoAsyncInterruptTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 Endpoint,
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IN BOOLEAN IsNewTransfer,
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IN UINTN PollInterval, OPTIONAL
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IN UINTN DataLength, OPTIONAL
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback, OPTIONAL
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IN VOID *Context OPTIONAL
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);
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/**
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Execute a synchronous isochronous transfer.
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@param This The USB IO instance.
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@param DeviceEndpoint The device endpoint.
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@param Data The data to transfer.
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@param DataLength The length of the data to transfer.
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@param UsbStatus The result of USB transfer.
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@retval EFI_UNSUPPORTED Currently isochronous transfer isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoIsochronousTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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OUT UINT32 *Status
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);
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/**
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Queue an asynchronous isochronous transfer.
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@param This The USB_IO instance.
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@param DeviceEndpoint The device endpoint.
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@param Data The data to transfer.
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@param DataLength The length of perodic data transfer.
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@param IsochronousCallBack The function to call periodicaly when transfer is
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ready.
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@param Context The context to the callback.
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@retval EFI_UNSUPPORTED Currently isochronous transfer isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoAsyncIsochronousTransfer (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
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IN VOID *Context OPTIONAL
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);
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/**
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Retrieve the device descriptor of the device.
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@param This The USB IO instance.
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@param Descriptor The variable to receive the device descriptor.
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@retval EFI_SUCCESS The device descriptor is returned.
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@retval EFI_INVALID_PARAMETER The parameter is invalid.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetDeviceDescriptor (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_DEVICE_DESCRIPTOR *Descriptor
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);
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/**
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Return the configuration descriptor of the current active configuration.
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@param This The USB IO instance.
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@param Descriptor The USB configuration descriptor.
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@retval EFI_SUCCESS The active configuration descriptor is returned.
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@retval EFI_INVALID_PARAMETER Some parameter is invalid.
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@retval EFI_NOT_FOUND Currently no active configuration is selected.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetActiveConfigDescriptor (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_CONFIG_DESCRIPTOR *Descriptor
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);
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/**
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Retrieve the active interface setting descriptor for this USB IO instance.
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@param This The USB IO instance.
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@param Descriptor The variable to receive active interface setting.
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@retval EFI_SUCCESS The active interface setting is returned.
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@retval EFI_INVALID_PARAMETER Some parameter is invalid.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetInterfaceDescriptor (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_INTERFACE_DESCRIPTOR *Descriptor
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);
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/**
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Retrieve the endpoint descriptor from this interface setting.
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@param This The USB IO instance.
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@param Index The index (start from zero) of the endpoint to
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retrieve.
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@param Descriptor The variable to receive the descriptor.
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@retval EFI_SUCCESS The endpoint descriptor is returned.
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@retval EFI_INVALID_PARAMETER Some parameter is invalid.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetEndpointDescriptor (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 Index,
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OUT EFI_USB_ENDPOINT_DESCRIPTOR *Descriptor
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);
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/**
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Retrieve the supported language ID table from the device.
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@param This The USB IO instance.
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@param LangIDTable The table to return the language IDs.
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@param TableSize The number of supported languanges.
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@retval EFI_SUCCESS The language ID is return.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetSupportedLanguages (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT UINT16 **LangIDTable,
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OUT UINT16 *TableSize
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);
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/**
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Retrieve an indexed string in the language of LangID.
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@param This The USB IO instance.
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@param LangID The language ID of the string to retrieve.
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@param StringIndex The index of the string.
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@param String The variable to receive the string.
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@retval EFI_SUCCESS The string is returned.
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@retval EFI_NOT_FOUND No such string existed.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoGetStringDescriptor (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT16 LangID,
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IN UINT8 StringIndex,
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OUT CHAR16 **String
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);
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/**
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Reset the device, then if that succeeds, reconfigure the
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device with its address and current active configuration.
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@param This The USB IO instance.
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@retval EFI_SUCCESS The device is reset and configured.
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@retval Others Failed to reset the device.
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**/
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EFI_STATUS
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EFIAPI
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UsbIoPortReset (
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IN EFI_USB_IO_PROTOCOL *This
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);
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/**
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Install Usb Bus Protocol on host controller, and start the Usb bus.
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@param This The USB bus driver binding instance.
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@param Controller The controller to check.
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@param RemainingDevicePath The remaining device patch.
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@retval EFI_SUCCESS The controller is controlled by the usb bus.
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@retval EFI_ALREADY_STARTED The controller is already controlled by the usb bus.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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**/
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EFI_STATUS
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EFIAPI
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UsbBusBuildProtocol (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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The USB bus driver entry pointer.
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@param ImageHandle The driver image handle.
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@param SystemTable The system table.
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@return EFI_SUCCESS The component name protocol is installed.
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@return Others Failed to init the usb driver.
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**/
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EFI_STATUS
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EFIAPI
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UsbBusDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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/**
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Check whether USB bus driver support this device.
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@param This The USB bus driver binding protocol.
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@param Controller The controller handle to check.
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@param RemainingDevicePath The remaining device path.
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@retval EFI_SUCCESS The bus supports this controller.
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@retval EFI_UNSUPPORTED This device isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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UsbBusControllerDriverSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Start to process the controller.
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@param This The USB bus driver binding instance.
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@param Controller The controller to check.
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@param RemainingDevicePath The remaining device patch.
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@retval EFI_SUCCESS The controller is controlled by the usb bus.
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@retval EFI_ALREADY_STARTED The controller is already controlled by the usb
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bus.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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**/
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EFI_STATUS
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EFIAPI
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UsbBusControllerDriverStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop handle the controller by this USB bus driver.
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@param This The USB bus driver binding protocol.
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@param Controller The controller to release.
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@param NumberOfChildren The child of USB bus that opened controller
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BY_CHILD.
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@param ChildHandleBuffer The array of child handle.
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@retval EFI_SUCCESS The controller or children are stopped.
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@retval EFI_DEVICE_ERROR Failed to stop the driver.
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**/
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EFI_STATUS
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EFIAPI
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UsbBusControllerDriverStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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extern EFI_USB_IO_PROTOCOL mUsbIoProtocol;
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extern EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL mUsbBusComponentName;
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