diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c b/roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c new file mode 100644 index 000000000..1385b0ab5 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Usb/UsbBusPei/PeiUsbLib.c @@ -0,0 +1,185 @@ +/** @file
+Common Library for PEI USB
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved. <BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "UsbPeim.h"
+#include "PeiUsbLib.h"
+
+/**
+ Get a given usb descriptor.
+
+ @param PeiServices General-purpose services that are available to every PEIM.
+ @param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
+ @param Value Request Value.
+ @param Index Request Index.
+ @param DescriptorLength Request descriptor Length.
+ @param Descriptor Request descriptor.
+
+
+ @retval EFI_SUCCESS Usb descriptor is obtained successfully.
+ @retval EFI_DEVICE_ERROR Cannot get the usb descriptor due to a hardware error.
+ @retval Others Other failure occurs.
+
+**/
+EFI_STATUS
+PeiUsbGetDescriptor (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN PEI_USB_IO_PPI *UsbIoPpi,
+ IN UINT16 Value,
+ IN UINT16 Index,
+ IN UINT16 DescriptorLength,
+ OUT VOID *Descriptor
+ )
+{
+ EFI_USB_DEVICE_REQUEST DevReq;
+
+ ASSERT (UsbIoPpi != NULL);
+
+ DevReq.RequestType = USB_DEV_GET_DESCRIPTOR_REQ_TYPE;
+ DevReq.Request = USB_DEV_GET_DESCRIPTOR;
+ DevReq.Value = Value;
+ DevReq.Index = Index;
+ DevReq.Length = DescriptorLength;
+
+ return UsbIoPpi->UsbControlTransfer (
+ PeiServices,
+ UsbIoPpi,
+ &DevReq,
+ EfiUsbDataIn,
+ PcdGet32 (PcdUsbTransferTimeoutValue),
+ Descriptor,
+ DescriptorLength
+ );
+}
+
+/**
+ Set a usb device with a specified address.
+
+ @param PeiServices General-purpose services that are available to every PEIM.
+ @param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
+ @param AddressValue The address to assign.
+
+ @retval EFI_SUCCESS Usb device address is set successfully.
+ @retval EFI_DEVICE_ERROR Cannot set the usb address due to a hardware error.
+ @retval Others Other failure occurs.
+
+**/
+EFI_STATUS
+PeiUsbSetDeviceAddress (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN PEI_USB_IO_PPI *UsbIoPpi,
+ IN UINT16 AddressValue
+ )
+{
+ EFI_USB_DEVICE_REQUEST DevReq;
+
+ ASSERT (UsbIoPpi != NULL);
+
+ DevReq.RequestType = USB_DEV_SET_ADDRESS_REQ_TYPE;
+ DevReq.Request = USB_DEV_SET_ADDRESS;
+ DevReq.Value = AddressValue;
+ DevReq.Index = 0;
+ DevReq.Length = 0;
+
+ return UsbIoPpi->UsbControlTransfer (
+ PeiServices,
+ UsbIoPpi,
+ &DevReq,
+ EfiUsbNoData,
+ PcdGet32 (PcdUsbTransferTimeoutValue),
+ NULL,
+ 0
+ );
+}
+
+
+
+/**
+ Configure a usb device to Configuration 1.
+
+ @param PeiServices General-purpose services that are available to every PEIM.
+ @param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
+
+ @retval EFI_SUCCESS Usb device is set to use Configuration 1 successfully.
+ @retval EFI_DEVICE_ERROR Cannot set the usb device due to a hardware error.
+ @retval Others Other failure occurs.
+
+**/
+EFI_STATUS
+PeiUsbSetConfiguration (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN PEI_USB_IO_PPI *UsbIoPpi
+ )
+{
+ EFI_USB_DEVICE_REQUEST DevReq;
+ ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
+
+ DevReq.RequestType = USB_DEV_SET_CONFIGURATION_REQ_TYPE;
+ DevReq.Request = USB_DEV_SET_CONFIGURATION;
+ DevReq.Value = 1;
+
+ return UsbIoPpi->UsbControlTransfer (
+ PeiServices,
+ UsbIoPpi,
+ &DevReq,
+ EfiUsbNoData,
+ PcdGet32 (PcdUsbTransferTimeoutValue),
+ NULL,
+ 0
+ );
+}
+
+/**
+ Judge if the port is connected with a usb device or not.
+
+ @param PortStatus The usb port status gotten.
+
+ @retval TRUE A usb device is connected with the port.
+ @retval FALSE No usb device is connected with the port.
+
+**/
+BOOLEAN
+IsPortConnect (
+ IN UINT16 PortStatus
+ )
+{
+ //
+ // return the bit 0 value of PortStatus
+ //
+ if ((PortStatus & USB_PORT_STAT_CONNECTION) != 0) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+/**
+ Get device speed according to port status.
+
+ @param PortStatus The usb port status gotten.
+
+ @return Device speed value.
+
+**/
+UINTN
+PeiUsbGetDeviceSpeed (
+ IN UINT16 PortStatus
+ )
+{
+ if ((PortStatus & USB_PORT_STAT_LOW_SPEED) != 0) {
+ return EFI_USB_SPEED_LOW;
+ } else if ((PortStatus & USB_PORT_STAT_HIGH_SPEED) != 0){
+ return EFI_USB_SPEED_HIGH;
+ } else if ((PortStatus & USB_PORT_STAT_SUPER_SPEED) != 0) {
+ return EFI_USB_SPEED_SUPER;
+ } else {
+ return EFI_USB_SPEED_FULL;
+ }
+}
+
+
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