d987459f8e
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15611 6f19259b-4bc3-4df7-8a09-765794883524
671 lines
19 KiB
C
671 lines
19 KiB
C
/** @file
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Usb Hub Request Support In PEI Phase
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Copyright (c) 2006 - 2014, 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 "HubPeim.h"
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#include "PeiUsbLib.h"
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/**
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Get a given hub port status.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param Port Usb hub port number (starting from 1).
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@param PortStatus Current Hub port status and change status.
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@retval EFI_SUCCESS Port status is obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the port status due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubGetPortStatus (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINT8 Port,
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OUT UINT32 *PortStatus
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_GET_PORT_STATUS_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_GET_PORT_STATUS;
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DeviceRequest.Index = Port;
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DeviceRequest.Length = (UINT16) sizeof (UINT32);
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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PortStatus,
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sizeof (UINT32)
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);
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}
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/**
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Set specified feature to a given hub port.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param Port Usb hub port number (starting from 1).
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@param Value New feature value.
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@retval EFI_SUCCESS Port feature is set successfully.
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@retval EFI_DEVICE_ERROR Cannot set the port feature due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubSetPortFeature (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINT8 Port,
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IN UINT8 Value
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_SET_PORT_FEATURE_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_SET_PORT_FEATURE;
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DeviceRequest.Value = Value;
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DeviceRequest.Index = Port;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0
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);
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}
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/**
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Clear specified feature on a given hub port.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param Port Usb hub port number (starting from 1).
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@param Value Feature value that will be cleared from the hub port.
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@retval EFI_SUCCESS Port feature is cleared successfully.
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@retval EFI_DEVICE_ERROR Cannot clear the port feature due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubClearPortFeature (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINT8 Port,
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IN UINT8 Value
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_CLEAR_FEATURE_PORT_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_CLEAR_FEATURE_PORT;
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DeviceRequest.Value = Value;
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DeviceRequest.Index = Port;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0
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);
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}
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/**
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Get a given hub status.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param HubStatus Current Hub status and change status.
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@retval EFI_SUCCESS Hub status is obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the hub status due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubGetHubStatus (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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OUT UINT32 *HubStatus
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_GET_HUB_STATUS_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_GET_HUB_STATUS;
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DeviceRequest.Length = (UINT16) sizeof (UINT32);
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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HubStatus,
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sizeof (UINT32)
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);
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}
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/**
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Set specified feature to a given hub.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param Value New feature value.
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@retval EFI_SUCCESS Port feature is set successfully.
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@retval EFI_DEVICE_ERROR Cannot set the port feature due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubSetHubFeature (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINT8 Value
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_SET_HUB_FEATURE_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_SET_HUB_FEATURE;
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DeviceRequest.Value = Value;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0
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);
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}
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/**
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Clear specified feature on a given hub.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param Value Feature value that will be cleared from the hub port.
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@retval EFI_SUCCESS Hub feature is cleared successfully.
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@retval EFI_DEVICE_ERROR Cannot clear the hub feature due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiHubClearHubFeature (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINT8 Value
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)
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{
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EFI_USB_DEVICE_REQUEST DeviceRequest;
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ZeroMem (&DeviceRequest, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DeviceRequest.RequestType = USB_HUB_CLEAR_FEATURE_REQ_TYPE;
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DeviceRequest.Request = USB_HUB_CLEAR_FEATURE;
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DeviceRequest.Value = Value;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DeviceRequest,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0
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);
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}
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/**
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Get a given hub descriptor.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param DescriptorSize The length of Hub Descriptor buffer.
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@param HubDescriptor Caller allocated buffer to store the hub descriptor if
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successfully returned.
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@retval EFI_SUCCESS Hub descriptor is obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the hub descriptor due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiGetHubDescriptor (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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IN UINTN DescriptorSize,
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OUT EFI_USB_HUB_DESCRIPTOR *HubDescriptor
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DevReq.RequestType = USB_RT_HUB | 0x80;
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DevReq.Request = USB_HUB_GET_DESCRIPTOR;
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DevReq.Value = USB_DT_HUB << 8;
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DevReq.Length = (UINT16)DescriptorSize;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DevReq,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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HubDescriptor,
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(UINT16)DescriptorSize
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);
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}
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/**
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Get a given SuperSpeed hub descriptor.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param HubDescriptor Caller allocated buffer to store the hub descriptor if
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successfully returned.
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@retval EFI_SUCCESS Hub descriptor is obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the hub descriptor due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiGetSuperSpeedHubDesc (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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OUT EFI_USB_HUB_DESCRIPTOR *HubDescriptor
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DevReq.RequestType = USB_RT_HUB | 0x80;
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DevReq.Request = USB_HUB_GET_DESCRIPTOR;
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DevReq.Value = USB_DT_SUPERSPEED_HUB << 8;
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DevReq.Length = 12;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DevReq,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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HubDescriptor,
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12
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);
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}
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/**
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Read the whole usb hub descriptor. It is necessary
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to do it in two steps because hub descriptor is of
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variable length.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param PeiUsbDevice Indicates the hub controller device.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@param HubDescriptor Caller allocated buffer to store the hub descriptor if
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successfully returned.
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@retval EFI_SUCCESS Hub descriptor is obtained successfully.
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@retval EFI_DEVICE_ERROR Cannot get the hub descriptor due to a hardware error.
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@retval Others Other failure occurs.
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**/
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EFI_STATUS
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PeiUsbHubReadDesc (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_DEVICE *PeiUsbDevice,
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IN PEI_USB_IO_PPI *UsbIoPpi,
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OUT EFI_USB_HUB_DESCRIPTOR *HubDescriptor
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)
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{
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EFI_STATUS Status;
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if (PeiUsbDevice->DeviceSpeed == EFI_USB_SPEED_SUPER) {
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//
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// Get the super speed hub descriptor
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//
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Status = PeiGetSuperSpeedHubDesc (PeiServices, UsbIoPpi, HubDescriptor);
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} else {
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//
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// First get the hub descriptor length
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//
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Status = PeiGetHubDescriptor (PeiServices, UsbIoPpi, 2, HubDescriptor);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Get the whole hub descriptor
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//
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Status = PeiGetHubDescriptor (PeiServices, UsbIoPpi, HubDescriptor->Length, HubDescriptor);
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}
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return Status;
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}
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/**
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USB hub control transfer to set the hub depth.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param PeiUsbDevice Indicates the hub controller device.
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@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
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@retval EFI_SUCCESS Depth of the hub is set.
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@retval Others Failed to set the depth.
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**/
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EFI_STATUS
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PeiUsbHubCtrlSetHubDepth (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_DEVICE *PeiUsbDevice,
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IN PEI_USB_IO_PPI *UsbIoPpi
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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//
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// Fill Device request packet
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//
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DevReq.RequestType = USB_RT_HUB;
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DevReq.Request = USB_HUB_REQ_SET_DEPTH;
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DevReq.Value = PeiUsbDevice->Tier;
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DevReq.Length = 0;
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return UsbIoPpi->UsbControlTransfer (
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PeiServices,
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UsbIoPpi,
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&DevReq,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0
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);
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}
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/**
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Configure a given hub.
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@param PeiServices General-purpose services that are available to every PEIM.
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@param PeiUsbDevice Indicating the hub controller device that will be configured
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@retval EFI_SUCCESS Hub configuration is done successfully.
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@retval EFI_DEVICE_ERROR Cannot configure the hub due to a hardware error.
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**/
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EFI_STATUS
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PeiDoHubConfig (
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_DEVICE *PeiUsbDevice
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)
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{
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EFI_USB_HUB_DESCRIPTOR HubDescriptor;
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EFI_STATUS Status;
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EFI_USB_HUB_STATUS HubStatus;
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UINTN Index;
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PEI_USB_IO_PPI *UsbIoPpi;
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ZeroMem (&HubDescriptor, sizeof (HubDescriptor));
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UsbIoPpi = &PeiUsbDevice->UsbIoPpi;
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//
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// Get the hub descriptor
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//
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Status = PeiUsbHubReadDesc (
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PeiServices,
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PeiUsbDevice,
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UsbIoPpi,
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&HubDescriptor
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);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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}
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PeiUsbDevice->DownStreamPortNo = HubDescriptor.NbrPorts;
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if (PeiUsbDevice->DeviceSpeed == EFI_USB_SPEED_SUPER) {
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DEBUG ((EFI_D_INFO, "PeiDoHubConfig: Set Hub Depth as 0x%x\n", PeiUsbDevice->Tier));
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PeiUsbHubCtrlSetHubDepth (
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PeiServices,
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PeiUsbDevice,
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UsbIoPpi
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);
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} else {
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//
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// Power all the hub ports
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//
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for (Index = 0; Index < PeiUsbDevice->DownStreamPortNo; Index++) {
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Status = PeiHubSetPortFeature (
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PeiServices,
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UsbIoPpi,
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(UINT8) (Index + 1),
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EfiUsbPortPower
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);
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if (EFI_ERROR (Status)) {
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DEBUG (( EFI_D_ERROR, "PeiDoHubConfig: PeiHubSetPortFeature EfiUsbPortPower failed %x\n", Index));
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continue;
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}
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}
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DEBUG (( EFI_D_INFO, "PeiDoHubConfig: HubDescriptor.PwrOn2PwrGood: 0x%x\n", HubDescriptor.PwrOn2PwrGood));
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if (HubDescriptor.PwrOn2PwrGood > 0) {
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MicroSecondDelay (HubDescriptor.PwrOn2PwrGood * USB_SET_PORT_POWER_STALL);
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}
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//
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// Clear Hub Status Change
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//
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Status = PeiHubGetHubStatus (
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PeiServices,
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UsbIoPpi,
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(UINT32 *) &HubStatus
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);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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} else {
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//
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// Hub power supply change happens
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//
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if ((HubStatus.HubChangeStatus & HUB_CHANGE_LOCAL_POWER) != 0) {
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PeiHubClearHubFeature (
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PeiServices,
|
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UsbIoPpi,
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C_HUB_LOCAL_POWER
|
|
);
|
|
}
|
|
//
|
|
// Hub change overcurrent happens
|
|
//
|
|
if ((HubStatus.HubChangeStatus & HUB_CHANGE_OVERCURRENT) != 0) {
|
|
PeiHubClearHubFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
C_HUB_OVER_CURRENT
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Send reset signal over the given root hub port.
|
|
|
|
@param PeiServices General-purpose services that are available to every PEIM.
|
|
@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
|
|
@param PortNum Usb hub port number (starting from 1).
|
|
|
|
**/
|
|
VOID
|
|
PeiResetHubPort (
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
|
IN PEI_USB_IO_PPI *UsbIoPpi,
|
|
IN UINT8 PortNum
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN Index;
|
|
EFI_USB_PORT_STATUS HubPortStatus;
|
|
|
|
MicroSecondDelay (100 * 1000);
|
|
|
|
//
|
|
// reset root port
|
|
//
|
|
PeiHubSetPortFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
EfiUsbPortReset
|
|
);
|
|
|
|
//
|
|
// Drive the reset signal for worst 20ms. Check USB 2.0 Spec
|
|
// section 7.1.7.5 for timing requirements.
|
|
//
|
|
MicroSecondDelay (USB_SET_PORT_RESET_STALL);
|
|
|
|
//
|
|
// Check USB_PORT_STAT_C_RESET bit to see if the resetting state is done.
|
|
//
|
|
ZeroMem (&HubPortStatus, sizeof (EFI_USB_PORT_STATUS));
|
|
|
|
for (Index = 0; Index < USB_WAIT_PORT_STS_CHANGE_LOOP; Index++) {
|
|
Status = PeiHubGetPortStatus (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
(UINT32 *) &HubPortStatus
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
return;
|
|
}
|
|
|
|
if (USB_BIT_IS_SET (HubPortStatus.PortChangeStatus, USB_PORT_STAT_C_RESET)) {
|
|
break;
|
|
}
|
|
|
|
MicroSecondDelay (USB_WAIT_PORT_STS_CHANGE_STALL);
|
|
}
|
|
|
|
if (Index == USB_WAIT_PORT_STS_CHANGE_LOOP) {
|
|
DEBUG ((EFI_D_ERROR, "PeiResetHubPort: reset not finished in time on port %d\n", PortNum));
|
|
return;
|
|
}
|
|
|
|
//
|
|
// clear reset change root port
|
|
//
|
|
PeiHubClearPortFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
EfiUsbPortResetChange
|
|
);
|
|
|
|
MicroSecondDelay (1 * 1000);
|
|
|
|
PeiHubClearPortFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
EfiUsbPortConnectChange
|
|
);
|
|
|
|
//
|
|
// Set port enable
|
|
//
|
|
PeiHubSetPortFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
EfiUsbPortEnable
|
|
);
|
|
|
|
//
|
|
// Clear any change status
|
|
//
|
|
|
|
PeiHubClearPortFeature (
|
|
PeiServices,
|
|
UsbIoPpi,
|
|
PortNum,
|
|
EfiUsbPortEnableChange
|
|
);
|
|
|
|
MicroSecondDelay (10 * 1000);
|
|
|
|
return;
|
|
}
|