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https://github.com/CloverHackyColor/CloverBootloader.git
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182 lines
4.8 KiB
C
182 lines
4.8 KiB
C
/** @file
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The definition for USB hub.
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Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _USB_HUB_H_
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#define _USB_HUB_H_
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#include <IndustryStandard/Usb.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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#define USB_DESC_TYPE_HUB 0x29
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#define USB_DESC_TYPE_HUB_SUPER_SPEED 0x2a
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//
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// Hub class control transfer target
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//
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#define USB_HUB_TARGET_HUB 0
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#define 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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#define USB_HUB_REQ_GET_STATUS 0
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#define USB_HUB_REQ_CLEAR_FEATURE 1
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#define USB_HUB_REQ_SET_FEATURE 3
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#define USB_HUB_REQ_GET_DESC 6
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#define USB_HUB_REQ_SET_DESC 7
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#define USB_HUB_REQ_CLEAR_TT 8
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#define USB_HUB_REQ_RESET_TT 9
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#define USB_HUB_REQ_GET_TT_STATE 10
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#define USB_HUB_REQ_STOP_TT 11
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#define USB_HUB_REQ_SET_DEPTH 12
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//
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// USB hub class feature selector
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//
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#define USB_HUB_C_HUB_LOCAL_POWER 0
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#define USB_HUB_C_HUB_OVER_CURRENT 1
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#define USB_HUB_PORT_CONNECTION 0
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#define USB_HUB_PORT_ENABLE 1
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#define USB_HUB_PORT_SUSPEND 2
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#define USB_HUB_PORT_OVER_CURRENT 3
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#define USB_HUB_PORT_RESET 4
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#define USB_HUB_PORT_LINK_STATE 5
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#define USB_HUB_PORT_POWER 8
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#define USB_HUB_PORT_LOW_SPEED 9
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#define USB_HUB_C_PORT_CONNECT 16
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#define USB_HUB_C_PORT_ENABLE 17
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#define USB_HUB_C_PORT_SUSPEND 18
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#define USB_HUB_C_PORT_OVER_CURRENT 19
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#define USB_HUB_C_PORT_RESET 20
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#define USB_HUB_PORT_TEST 21
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#define USB_HUB_PORT_INDICATOR 22
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#define USB_HUB_C_PORT_LINK_STATE 25
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#define USB_HUB_PORT_REMOTE_WAKE_MASK 27
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#define USB_HUB_BH_PORT_RESET 28
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#define USB_HUB_C_BH_PORT_RESET 29
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//
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// Constant value for Port Status & Port Change Status of SuperSpeed port
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//
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#define USB_SS_PORT_STAT_C_BH_RESET 0x0020
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#define USB_SS_PORT_STAT_C_PORT_LINK_STATE 0x0040
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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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#define USB_HUB_GANG_POWER_CTRL 0
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#define 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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#define USB_HUB_STAT_LOCAL_POWER 0x01
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#define USB_HUB_STAT_OVER_CURRENT 0x02
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#define USB_HUB_STAT_C_LOCAL_POWER 0x01
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#define USB_HUB_STAT_C_OVER_CURRENT 0x02
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#define USB_HUB_CLASS_CODE 0x09
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#define USB_HUB_SUBCLASS_CODE 0x00
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//
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// Host software return timeout if port status doesn't change
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// after 500ms(LOOP * STALL = 5000 * 0.1ms), set by experience
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//
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#define USB_WAIT_PORT_STS_CHANGE_LOOP 5000
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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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/**
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Clear the transaction translate buffer if full/low
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speed control/bulk transfer failed and the transfer
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uses this hub as translator.Remember to clear the TT
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buffer of transaction translator, not that of the
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parent.
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@param UsbDev The Usb device.
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@param Port The port of the hub.
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@param DevAddr Address of the failed transaction.
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@param EpNum The endpoint number of the failed transaction.
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@param EpType The type of failed transaction.
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@retval EFI_SUCCESS The TT buffer is cleared.
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@retval Others Failed to clear the TT buffer.
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**/
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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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/**
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Test whether the interface is a hub interface.
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@param UsbIf The interface to test.
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@retval TRUE The interface is a hub interface.
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@retval FALSE The interface isn't a hub interface.
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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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/**
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Ack the hub change bits. If these bits are not ACKed, Hub will
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always return changed bit map from its interrupt endpoint.
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@param UsbDev The Usb device.
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@retval EFI_SUCCESS The hub change status is ACKed.
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@retval Others Failed to ACK the hub status.
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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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