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/** @file
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.
Module Name:
UsbHub.h
Abstract:
The definition for USB hub
Revision History
**/
#ifndef _USB_HUB_H_
#define _USB_HUB_H_
#define USB_ENDPOINT_ADDR(EpAddr) ((EpAddr) & 0x7F)
#define USB_ENDPOINT_TYPE(Desc) ((Desc)->Attributes & USB_ENDPOINT_TYPE_MASK)
enum {
USB_DESC_TYPE_HUB = 0x29,
//
// Hub class control transfer target
//
USB_HUB_TARGET_HUB = 0,
USB_HUB_TARGET_PORT = 3,
//
// HUB class specific contrl transfer request type
//
USB_HUB_REQ_GET_STATUS = 0,
USB_HUB_REQ_CLEAR_FEATURE = 1,
USB_HUB_REQ_SET_FEATURE = 3,
USB_HUB_REQ_GET_DESC = 6,
USB_HUB_REQ_SET_DESC = 7,
USB_HUB_REQ_CLEAR_TT = 8,
USB_HUB_REQ_RESET_TT = 9,
USB_HUB_REQ_GET_TT_STATE = 10,
USB_HUB_REQ_STOP_TT = 11,
//
// USB hub class feature selector
//
USB_HUB_C_HUB_LOCAL_POWER = 0,
USB_HUB_C_HUB_OVER_CURRENT = 1,
USB_HUB_PORT_CONNECTION = 0,
USB_HUB_PORT_ENABLE = 1,
USB_HUB_PORT_SUSPEND = 2,
USB_HUB_PORT_OVER_CURRENT = 3,
USB_HUB_PORT_RESET = 4,
USB_HUB_PORT_POWER = 8,
USB_HUB_PORT_LOW_SPEED = 9,
USB_HUB_C_PORT_CONNECT = 16,
USB_HUB_C_PORT_ENABLE = 17,
USB_HUB_C_PORT_SUSPEND = 18,
USB_HUB_C_PORT_OVER_CURRENT = 19,
USB_HUB_C_PORT_RESET = 20,
USB_HUB_PORT_TEST = 21,
USB_HUB_PORT_INDICATOR = 22,
//
// USB hub power control method. In gang power control
//
USB_HUB_GANG_POWER_CTRL = 0,
USB_HUB_PORT_POWER_CTRL = 0x01,
//
// USB hub status bits
//
USB_HUB_STAT_LOCAL_POWER = 0x01,
USB_HUB_STAT_OVER_CURRENT = 0x02,
USB_HUB_STAT_C_LOCAL_POWER = 0x01,
USB_HUB_STAT_C_OVER_CURRENT = 0x02,
USB_HUB_CLASS_CODE = 0x09,
USB_HUB_SUBCLASS_CODE = 0x00,
USB_HUB_LOOP = 50,
};
#pragma pack(1)
//
// Hub descriptor, the last two fields are of variable lenght.
//
typedef struct {
UINT8 Length;
UINT8 DescType;
UINT8 NumPorts;
UINT16 HubCharacter;
UINT8 PwrOn2PwrGood;
UINT8 HubContrCurrent;
UINT8 Filler[16];
} EFI_USB_HUB_DESCRIPTOR;
#pragma pack()
typedef struct {
UINT16 ChangedBit;
EFI_USB_PORT_FEATURE Feature;
} USB_CHANGE_FEATURE_MAP;
EFI_STATUS
UsbHubCtrlClearTTBuffer (
IN USB_DEVICE *UsbDev,
IN UINT8 Port,
IN UINT16 DevAddr,
IN UINT16 EpNum,
IN UINT16 EpType
);
BOOLEAN
UsbIsHubInterface (
IN USB_INTERFACE *UsbIf
);
EFI_STATUS
UsbHubAckHubStatus (
IN USB_DEVICE *UsbDev
);
extern USB_HUB_API mUsbHubApi;
extern USB_HUB_API mUsbRootHubApi;
#endif
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