mirror of https://github.com/acidanthera/audk.git
326 lines
10 KiB
C
326 lines
10 KiB
C
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/** @file
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The module is used to implement Usb Io PPI interfaces.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UsbPeim.h"
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#include "PeiUsbLib.h"
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/**
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Submits control transfer to a target USB device.
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@param PeiServices The pointer of EFI_PEI_SERVICES.
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@param This The pointer of PEI_USB_IO_PPI.
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@param Request USB device request to send.
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@param Direction Specifies the data direction for the data stage.
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@param Timeout Indicates the maximum timeout, in millisecond.
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@param Data Data buffer to be transmitted or received from USB device.
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@param DataLength The size (in bytes) of the data buffer.
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@retval EFI_SUCCESS Transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT Transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
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**/
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EFI_STATUS
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EFIAPI
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PeiUsbControlTransfer (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *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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)
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{
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EFI_STATUS Status;
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PEI_USB_DEVICE *PeiUsbDev;
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UINT32 TransferResult;
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PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
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if (PeiUsbDev->Usb2HcPpi != NULL) {
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Status = PeiUsbDev->Usb2HcPpi->ControlTransfer (
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PeiServices,
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PeiUsbDev->Usb2HcPpi,
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PeiUsbDev->DeviceAddress,
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PeiUsbDev->DeviceSpeed,
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PeiUsbDev->MaxPacketSize0,
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Request,
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Direction,
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Data,
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&DataLength,
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Timeout,
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&(PeiUsbDev->Translator),
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&TransferResult
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);
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} else {
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Status = PeiUsbDev->UsbHcPpi->ControlTransfer (
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PeiServices,
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PeiUsbDev->UsbHcPpi,
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PeiUsbDev->DeviceAddress,
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PeiUsbDev->DeviceSpeed,
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PeiUsbDev->MaxPacketSize0,
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Request,
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Direction,
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Data,
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&DataLength,
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Timeout,
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&TransferResult
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);
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}
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return Status;
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}
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/**
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Submits bulk transfer to a bulk endpoint of a USB device.
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@param PeiServices The pointer of EFI_PEI_SERVICES.
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@param This The pointer of PEI_USB_IO_PPI.
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@param DeviceEndpoint Endpoint number and its direction in bit 7.
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@param Data A pointer to the buffer of data to transmit
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from or receive into.
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@param DataLength The lenght of the data buffer.
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@param Timeout Indicates the maximum time, in millisecond, which the
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transfer is allowed to complete.
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@retval EFI_SUCCESS The transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.
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@retval EFI_INVALID_PARAMETER Parameters are invalid.
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@retval EFI_TIMEOUT The transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
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**/
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EFI_STATUS
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EFIAPI
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PeiUsbBulkTransfer (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *This,
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IN UINT8 DeviceEndpoint,
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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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)
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{
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EFI_STATUS Status;
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PEI_USB_DEVICE *PeiUsbDev;
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UINT32 TransferResult;
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UINTN MaxPacketLength;
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UINT8 DataToggle;
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UINT8 OldToggle;
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EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;
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UINT8 EndpointIndex;
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VOID *Data2[EFI_USB_MAX_BULK_BUFFER_NUM];
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PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
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EndpointDescriptor = NULL;
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EndpointIndex = 0;
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Data2[0] = Data;
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Data2[1] = NULL;
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while (EndpointIndex < MAX_ENDPOINT) {
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Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);
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if (EFI_ERROR (Status)) {
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return EFI_INVALID_PARAMETER;
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}
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if (EndpointDescriptor->EndpointAddress == DeviceEndpoint) {
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break;
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}
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EndpointIndex++;
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}
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if (EndpointIndex == MAX_ENDPOINT) {
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return EFI_INVALID_PARAMETER;
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}
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MaxPacketLength = PeiUsbDev->EndpointDesc[EndpointIndex]->MaxPacketSize;
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if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {
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DataToggle = 1;
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} else {
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DataToggle = 0;
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}
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OldToggle = DataToggle;
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if (PeiUsbDev->Usb2HcPpi != NULL) {
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Status = PeiUsbDev->Usb2HcPpi->BulkTransfer (
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PeiServices,
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PeiUsbDev->Usb2HcPpi,
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PeiUsbDev->DeviceAddress,
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DeviceEndpoint,
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PeiUsbDev->DeviceSpeed,
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MaxPacketLength,
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Data2,
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DataLength,
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&DataToggle,
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Timeout,
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&(PeiUsbDev->Translator),
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&TransferResult
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);
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} else {
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Status = PeiUsbDev->UsbHcPpi->BulkTransfer (
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PeiServices,
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PeiUsbDev->UsbHcPpi,
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PeiUsbDev->DeviceAddress,
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DeviceEndpoint,
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(UINT8) MaxPacketLength,
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Data,
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DataLength,
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&DataToggle,
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Timeout,
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&TransferResult
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);
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}
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if (OldToggle != DataToggle) {
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PeiUsbDev->DataToggle = (UINT8) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));
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}
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return Status;
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}
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/**
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Get the usb interface descriptor.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param This Indicates the PEI_USB_IO_PPI instance.
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@param InterfaceDescriptor Request interface descriptor.
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@retval EFI_SUCCESS Usb interface descriptor is obtained successfully.
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**/
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EFI_STATUS
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EFIAPI
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PeiUsbGetInterfaceDescriptor (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *This,
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OUT EFI_USB_INTERFACE_DESCRIPTOR **InterfaceDescriptor
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)
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{
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PEI_USB_DEVICE *PeiUsbDev;
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PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
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*InterfaceDescriptor = PeiUsbDev->InterfaceDesc;
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return EFI_SUCCESS;
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}
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/**
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Get the usb endpoint descriptor.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param This Indicates the PEI_USB_IO_PPI instance.
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@param EndpointIndex The valid index of the specified endpoint.
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@param EndpointDescriptor Request endpoint descriptor.
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@retval EFI_SUCCESS Usb endpoint descriptor is obtained successfully.
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@retval EFI_NOT_FOUND Usb endpoint descriptor is NOT found.
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**/
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EFI_STATUS
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EFIAPI
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PeiUsbGetEndpointDescriptor (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *This,
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IN UINT8 EndpointIndex,
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OUT EFI_USB_ENDPOINT_DESCRIPTOR **EndpointDescriptor
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)
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{
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PEI_USB_DEVICE *PeiUsbDev;
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PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
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ASSERT (EndpointDescriptor != NULL);
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//
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// The valid range of EndpointIndex is 0..15
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// If EndpointIndex is lesser than 15 but larger than the number of interfaces,
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// a EFI_NOT_FOUND should be returned
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//
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ASSERT (EndpointIndex <= 15);
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if (EndpointIndex >= PeiUsbDev->InterfaceDesc->NumEndpoints) {
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return EFI_NOT_FOUND;
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}
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*EndpointDescriptor = PeiUsbDev->EndpointDesc[EndpointIndex];
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return EFI_SUCCESS;
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}
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/**
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Reset the port and re-configure the usb device.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param This Indicates the PEI_USB_IO_PPI instance.
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@retval EFI_SUCCESS Usb device is reset and configured successfully.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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EFIAPI
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PeiUsbPortReset (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *This
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)
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{
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PEI_USB_DEVICE *PeiUsbDev;
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EFI_STATUS Status;
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UINT8 Address;
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PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
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ResetRootPort (
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PeiServices,
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PeiUsbDev->UsbHcPpi,
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PeiUsbDev->Usb2HcPpi,
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PeiUsbDev->DeviceAddress,
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0
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);
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//
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// Set address
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//
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Address = PeiUsbDev->DeviceAddress;
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PeiUsbDev->DeviceAddress = 0;
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Status = PeiUsbSetDeviceAddress (
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PeiServices,
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This,
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Address
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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PeiUsbDev->DeviceAddress = Address;
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//
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// Set default configuration
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//
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Status = PeiUsbSetConfiguration (
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PeiServices,
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This
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);
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return Status;
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}
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