ecb575d9e6
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4437 6f19259b-4bc3-4df7-8a09-765794883524
156 lines
3.3 KiB
C
156 lines
3.3 KiB
C
/** @file
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Copyright (c) 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The 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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Module Name:
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UsbEnumer.h
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Abstract:
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USB bus enumeration interface
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Revision History
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**/
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#ifndef _USB_ENUMERATION_H_
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#define _USB_ENUMERATION_H_
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//
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// Advance the byte and bit to the next bit, adjust byte accordingly.
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//
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#define USB_NEXT_BIT(Byte, Bit) \
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do { \
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(Bit)++; \
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if ((Bit) > 7) { \
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(Byte)++; \
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(Bit) = 0; \
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} \
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} while (0)
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//
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// Common interface used by usb bus enumeration process.
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// This interface is defined to mask the difference between
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// the root hub and normal hub. So, bus enumeration code
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// can be shared by both root hub and normal hub
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//
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typedef
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EFI_STATUS
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(*USB_HUB_INIT) (
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IN USB_INTERFACE *UsbIf
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);
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//
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// Get the port status. This function is required to
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// ACK the port change bits although it will return
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// the port changes in PortState. Bus enumeration code
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// doesn't need to ACK the port change bits.
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//
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typedef
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EFI_STATUS
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(*USB_HUB_GET_PORT_STATUS) (
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IN USB_INTERFACE *UsbIf,
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IN UINT8 Port,
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OUT EFI_USB_PORT_STATUS *PortState
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);
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typedef
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VOID
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(*USB_HUB_CLEAR_PORT_CHANGE) (
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IN USB_INTERFACE *HubIf,
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IN UINT8 Port
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);
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typedef
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EFI_STATUS
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(*USB_HUB_SET_PORT_FEATURE) (
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IN USB_INTERFACE *UsbIf,
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IN UINT8 Port,
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IN EFI_USB_PORT_FEATURE Feature
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);
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typedef
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EFI_STATUS
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(*USB_HUB_CLEAR_PORT_FEATURE) (
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IN USB_INTERFACE *UsbIf,
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IN UINT8 Port,
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IN EFI_USB_PORT_FEATURE Feature
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);
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typedef
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EFI_STATUS
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(*USB_HUB_RESET_PORT) (
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IN USB_INTERFACE *UsbIf,
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IN UINT8 Port
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);
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typedef
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EFI_STATUS
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(*USB_HUB_RELEASE) (
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IN USB_INTERFACE *UsbIf
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);
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struct _USB_HUB_API{
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USB_HUB_INIT Init;
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USB_HUB_GET_PORT_STATUS GetPortStatus;
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USB_HUB_CLEAR_PORT_CHANGE ClearPortChange;
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USB_HUB_SET_PORT_FEATURE SetPortFeature;
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USB_HUB_CLEAR_PORT_FEATURE ClearPortFeature;
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USB_HUB_RESET_PORT ResetPort;
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USB_HUB_RELEASE Release;
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};
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USB_ENDPOINT_DESC*
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UsbGetEndpointDesc (
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IN USB_INTERFACE *UsbIf,
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IN UINT8 EpAddr
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);
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EFI_STATUS
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UsbSelectSetting (
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IN USB_INTERFACE_DESC *IfDesc,
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IN UINT8 Alternate
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);
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EFI_STATUS
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UsbSelectConfig (
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IN USB_DEVICE *Device,
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IN UINT8 ConfigIndex
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);
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VOID
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UsbRemoveConfig (
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IN USB_DEVICE *Device
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);
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EFI_STATUS
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UsbRemoveDevice (
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IN USB_DEVICE *Device
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);
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VOID
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EFIAPI
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UsbHubEnumeration (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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VOID
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EFIAPI
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UsbRootHubEnumeration (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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#endif
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