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https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/** @file
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Define APIs to retrieve USB Host Controller Info such as controller type and
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I/O Port Base Address.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PEI_USB_CONTROLLER_PPI_H_
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#define _PEI_USB_CONTROLLER_PPI_H_
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///
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/// Global ID for the PEI_USB_CONTROLLER_PPI.
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///
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#define PEI_USB_CONTROLLER_PPI_GUID \
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{ \
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0x3bc1f6de, 0x693e, 0x4547,{ 0xa3, 0x0, 0x21, 0x82, 0x3c, 0xa4, 0x20, 0xb2} \
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}
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///
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/// Forward declaration for the PEI_USB_CONTROLLER_PPI.
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///
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typedef struct _PEI_USB_CONTROLLER_PPI PEI_USB_CONTROLLER_PPI;
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///
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/// This bit is used in the ControllerType return parameter of GetUsbController()
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/// to identify the USB Host Controller type as UHCI
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///
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#define PEI_UHCI_CONTROLLER 0x01
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///
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/// This bit is used in the ControllerType return parameter of GetUsbController()
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/// to identify the USB Host Controller type as OHCI
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///
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#define PEI_OHCI_CONTROLLER 0x02
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///
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/// This bit is used in the ControllerType return parameter of GetUsbController()
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/// to identify the USB Host Controller type as EHCI
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///
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#define PEI_EHCI_CONTROLLER 0x03
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///
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/// This bit is used in the ControllerType return parameter of GetUsbController()
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/// to identify the USB Host Controller type as XHCI
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///
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#define PEI_XHCI_CONTROLLER 0x04
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/**
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Retrieve USB Host Controller Info such as controller type and I/O Base Address.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the PEI_USB_CONTROLLER_PPI.
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@param[in] ControllerId The ID of the USB controller.
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@param[out] ControllerType On output, returns the type of the USB controller.
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@param[out] BaseAddress On output, returns the base address of UHCI's I/O ports
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if UHCI is enabled or the base address of EHCI's MMIO
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if EHCI is enabled.
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@retval EFI_SUCCESS USB controller attributes were returned successfully.
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@retval EFI_INVALID_PARAMETER ControllerId is greater than the maximum number
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of USB controller supported by this platform.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_GET_USB_CONTROLLER)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_CONTROLLER_PPI *This,
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IN UINT8 UsbControllerId,
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OUT UINTN *ControllerType,
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OUT UINTN *BaseAddress
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);
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///
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/// This PPI contains a single service to retrieve the USB Host Controller type
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/// and the base address of the I/O ports used to access the USB Host Controller.
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///
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struct _PEI_USB_CONTROLLER_PPI {
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PEI_GET_USB_CONTROLLER GetUsbController;
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};
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extern EFI_GUID gPeiUsbControllerPpiGuid;
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#endif
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