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/** @file
Provides some data struct used by EHCI controller driver.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _EFI_EHCI_H_
#define _EFI_EHCI_H_
#include <Uefi.h>
#include <Protocol/Usb2HostController.h>
#include <Protocol/PciIo.h>
#include <Guid/EventGroup.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <IndustryStandard/Pci.h>
typedef struct _USB2_HC_DEV USB2_HC_DEV;
#include "UsbHcMem.h"
#include "EhciReg.h"
#include "EhciUrb.h"
#include "EhciSched.h"
#include "EhciDebug.h"
#include "ComponentName.h"
//
// EHC timeout experience values
//
#define EHC_1_MICROSECOND 1
#define EHC_1_MILLISECOND (1000 * EHC_1_MICROSECOND)
#define EHC_1_SECOND (1000 * EHC_1_MILLISECOND)
//
// EHCI register operation timeout, set by experience
//
#define EHC_RESET_TIMEOUT (1 * EHC_1_SECOND)
#define EHC_GENERIC_TIMEOUT (10 * EHC_1_MILLISECOND)
//
// Wait for roothub port power stable, refers to Spec[EHCI1.0-2.3.9]
//
#define EHC_ROOT_PORT_RECOVERY_STALL (20 * EHC_1_MILLISECOND)
//
// Sync and Async transfer polling interval, set by experience,
// and the unit of Async is 100us, means 1ms as interval.
//
#define EHC_SYNC_POLL_INTERVAL (1 * EHC_1_MILLISECOND)
#define EHC_ASYNC_POLL_INTERVAL EFI_TIMER_PERIOD_MILLISECONDS(1)
//
// EHCI debug port control status register bit definition
//
#define USB_DEBUG_PORT_IN_USE BIT10
#define USB_DEBUG_PORT_ENABLE BIT28
#define USB_DEBUG_PORT_OWNER BIT30
#define USB_DEBUG_PORT_IN_USE_MASK (USB_DEBUG_PORT_IN_USE | \
USB_DEBUG_PORT_OWNER)
//
// EHC raises TPL to TPL_NOTIFY to serialize all its operations
// to protect shared data structures.
//
#define EHC_TPL TPL_NOTIFY
#define EFI_LIST_CONTAINER(Entry, Type, Field) BASE_CR(Entry, Type, Field)
#define EHC_LOW_32BIT(Addr64) ((UINT32)(((UINTN)(Addr64)) & 0XFFFFFFFF))
#define EHC_HIGH_32BIT(Addr64) ((UINT32)(RShiftU64((UINTN)(Addr64), 32) & 0XFFFFFFFF))
#define EHC_BIT_IS_SET(Data, Bit) ((BOOLEAN)(((Data) & (Bit)) == (Bit)))
#define EHC_REG_BIT_IS_SET(Ehc, Offset, Bit) \
(EHC_BIT_IS_SET(EhcReadOpReg ((Ehc), (Offset)), (Bit)))
#define USB2_HC_DEV_SIGNATURE SIGNATURE_32 ('e', 'h', 'c', 'i')
#define EHC_FROM_THIS(a) CR(a, USB2_HC_DEV, Usb2Hc, USB2_HC_DEV_SIGNATURE)
struct _USB2_HC_DEV {
UINTN Signature;
EFI_USB2_HC_PROTOCOL Usb2Hc;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
UINT64 OriginalPciAttributes;
USBHC_MEM_POOL *MemPool;
//
// Schedule data shared between asynchronous and periodic
// transfers:
// ShortReadStop, as its name indicates, is used to terminate
// the short read except the control transfer. EHCI follows
// the alternative next QTD point when a short read happens.
// For control transfer, even the short read happens, try the
// status stage.
//
EHC_QTD *ShortReadStop;
EFI_EVENT PollTimer;
//
// ExitBootServicesEvent is used to stop the EHC DMA operation
// after exit boot service.
//
EFI_EVENT ExitBootServiceEvent;
//
// Asynchronous(bulk and control) transfer schedule data:
// ReclaimHead is used as the head of the asynchronous transfer
// list. It acts as the reclamation header.
//
EHC_QH *ReclaimHead;
//
// Periodic (interrupt) transfer schedule data:
//
VOID *PeriodFrame; // the buffer pointed by this pointer is used to store pci bus address of the QH descriptor.
VOID *PeriodFrameHost; // the buffer pointed by this pointer is used to store host memory address of the QH descriptor.
VOID *PeriodFrameMap;
EHC_QH *PeriodOne;
LIST_ENTRY AsyncIntTransfers;
//
// EHCI configuration data
//
UINT32 HcStructParams; // Cache of HC structure parameter, EHC_HCSPARAMS_OFFSET
UINT32 HcCapParams; // Cache of HC capability parameter, HCCPARAMS
UINT32 CapLen; // Capability length
//
// Misc
//
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
//
// EHCI debug port info
//
UINT16 DebugPortOffset; // The offset of debug port mmio register
UINT8 DebugPortBarNum; // The bar number of debug port mmio register
UINT8 DebugPortNum; // The port number of usb debug port
BOOLEAN Support64BitDma; // Whether 64 bit DMA may be used with this device
};
extern EFI_DRIVER_BINDING_PROTOCOL gEhciDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gEhciComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gEhciComponentName2;
/**
Test to see if this driver supports ControllerHandle. Any
ControllerHandle that has Usb2HcProtocol installed will
be supported.
@param This Protocol instance pointer.
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@return EFI_SUCCESS This driver supports this device.
@return EFI_UNSUPPORTED This driver does not support this device.
**/
EFI_STATUS
EFIAPI
EhcDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Starting the Usb EHCI Driver.
@param This Protocol instance pointer.
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@return EFI_SUCCESS supports this device.
@return EFI_UNSUPPORTED do not support this device.
@return EFI_DEVICE_ERROR cannot be started due to device Error.
@return EFI_OUT_OF_RESOURCES cannot allocate resources.
**/
EFI_STATUS
EFIAPI
EhcDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop this driver on ControllerHandle. Support stopping any child handles
created by this driver.
@param This Protocol instance pointer.
@param Controller Handle of device to stop driver on.
@param NumberOfChildren Number of Children in the ChildHandleBuffer.
@param ChildHandleBuffer List of handles for the children we need to stop.
@return EFI_SUCCESS Success.
@return EFI_DEVICE_ERROR Fail.
**/
EFI_STATUS
EFIAPI
EhcDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
#endif
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