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
		
			
				
	
	
		
			95 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			3.2 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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| 
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| Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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| 
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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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| 
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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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| **/
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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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| ///
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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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| ///
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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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| ///
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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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| ///
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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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| ///
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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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| ///
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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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| /**
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|   Retrieve USB Host Controller Info such as controller type and I/O Base Address.
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| 
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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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| 
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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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| **/
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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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| ///
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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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| 
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| extern EFI_GUID gPeiUsbControllerPpiGuid;
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| 
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| #endif
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