mirror of https://github.com/acidanthera/audk.git
204 lines
4.8 KiB
C
204 lines
4.8 KiB
C
/** @file
|
|
|
|
USB bus enumeration interface.
|
|
|
|
Copyright (c) 2007, Intel Corporation
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _USB_ENUMERATION_H_
|
|
#define _USB_ENUMERATION_H_
|
|
|
|
//
|
|
// Advance the byte and bit to the next bit, adjust byte accordingly.
|
|
//
|
|
#define USB_NEXT_BIT(Byte, Bit) \
|
|
do { \
|
|
(Bit)++; \
|
|
if ((Bit) > 7) { \
|
|
(Byte)++; \
|
|
(Bit) = 0; \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
//
|
|
// Common interface used by usb bus enumeration process.
|
|
// This interface is defined to mask the difference between
|
|
// the root hub and normal hub. So, bus enumeration code
|
|
// can be shared by both root hub and normal hub
|
|
//
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_INIT) (
|
|
IN USB_INTERFACE *UsbIf
|
|
);
|
|
|
|
//
|
|
// Get the port status. This function is required to
|
|
// ACK the port change bits although it will return
|
|
// the port changes in PortState. Bus enumeration code
|
|
// doesn't need to ACK the port change bits.
|
|
//
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_GET_PORT_STATUS) (
|
|
IN USB_INTERFACE *UsbIf,
|
|
IN UINT8 Port,
|
|
OUT EFI_USB_PORT_STATUS *PortState
|
|
);
|
|
|
|
typedef
|
|
VOID
|
|
(*USB_HUB_CLEAR_PORT_CHANGE) (
|
|
IN USB_INTERFACE *HubIf,
|
|
IN UINT8 Port
|
|
);
|
|
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_SET_PORT_FEATURE) (
|
|
IN USB_INTERFACE *UsbIf,
|
|
IN UINT8 Port,
|
|
IN EFI_USB_PORT_FEATURE Feature
|
|
);
|
|
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_CLEAR_PORT_FEATURE) (
|
|
IN USB_INTERFACE *UsbIf,
|
|
IN UINT8 Port,
|
|
IN EFI_USB_PORT_FEATURE Feature
|
|
);
|
|
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_RESET_PORT) (
|
|
IN USB_INTERFACE *UsbIf,
|
|
IN UINT8 Port
|
|
);
|
|
|
|
typedef
|
|
EFI_STATUS
|
|
(*USB_HUB_RELEASE) (
|
|
IN USB_INTERFACE *UsbIf
|
|
);
|
|
|
|
/**
|
|
Return the endpoint descriptor in this interface.
|
|
|
|
@param UsbIf The interface to search in.
|
|
@param EpAddr The address of the endpoint to return.
|
|
|
|
@return The endpoint descriptor or NULL.
|
|
|
|
**/
|
|
USB_ENDPOINT_DESC*
|
|
UsbGetEndpointDesc (
|
|
IN USB_INTERFACE *UsbIf,
|
|
IN UINT8 EpAddr
|
|
);
|
|
|
|
/**
|
|
Select an alternate setting for the interface.
|
|
Each interface can have several mutually exclusive
|
|
settings. Only one setting is active. It will
|
|
also reset its endpoints' toggle to zero.
|
|
|
|
@param IfDesc The interface descriptor to set.
|
|
@param Alternate The alternate setting number to locate.
|
|
|
|
@retval EFI_NOT_FOUND There is no setting with this alternate index.
|
|
@retval EFI_SUCCESS The interface is set to Alternate setting.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
UsbSelectSetting (
|
|
IN USB_INTERFACE_DESC *IfDesc,
|
|
IN UINT8 Alternate
|
|
);
|
|
|
|
/**
|
|
Select a new configuration for the device. Each
|
|
device may support several configurations.
|
|
|
|
@param Device The device to select configuration.
|
|
@param ConfigIndex The index of the configuration ( != 0).
|
|
|
|
@retval EFI_NOT_FOUND There is no configuration with the index.
|
|
@retval EFI_OUT_OF_RESOURCES Failed to allocate resource.
|
|
@retval EFI_SUCCESS The configuration is selected.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
UsbSelectConfig (
|
|
IN USB_DEVICE *Device,
|
|
IN UINT8 ConfigIndex
|
|
);
|
|
|
|
/**
|
|
Remove the current device configuration.
|
|
|
|
@param Device The USB device to remove configuration from.
|
|
|
|
@return None.
|
|
|
|
**/
|
|
VOID
|
|
UsbRemoveConfig (
|
|
IN USB_DEVICE *Device
|
|
);
|
|
|
|
/**
|
|
Remove the device and all its children from the bus.
|
|
|
|
@param Device The device to remove.
|
|
|
|
@retval EFI_SUCCESS The device is removed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
UsbRemoveDevice (
|
|
IN USB_DEVICE *Device
|
|
);
|
|
|
|
/**
|
|
Enumerate all the changed hub ports.
|
|
|
|
@param Event The event that is triggered.
|
|
@param Context The context to the event.
|
|
|
|
@return None.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UsbHubEnumeration (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Enumerate all the changed hub ports.
|
|
|
|
@param Event The event that is triggered.
|
|
@param Context The context to the event.
|
|
|
|
@return None.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UsbRootHubEnumeration (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
#endif
|