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