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/** @file
Provides some data struct used by EHCI controller driver.
Copyright (c) 2006 - 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 _EFI_EHCI_H_
#define _EFI_EHCI_H_
#include <Uefi.h>
#include <Protocol/Usb2HostController.h>
#include <Protocol/PciIo.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 <IndustryStandard/Pci22.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"
typedef enum {
EHC_1_MICROSECOND = 1,
EHC_1_MILLISECOND = 1000 * EHC_1_MICROSECOND,
EHC_1_SECOND = 1000 * EHC_1_MILLISECOND,
//
// EHCI register operation timeout, set by experience
//
EHC_RESET_TIMEOUT = 1 * EHC_1_SECOND,
EHC_GENERIC_TIMEOUT = 10 * EHC_1_MILLISECOND,
//
// Wait for roothub port power stable, refers to Spec[EHCI1.0-2.3.9]
//
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 50ms as interval.
//
EHC_SYNC_POLL_INTERVAL = 20 * EHC_1_MICROSECOND,
EHC_ASYNC_POLL_INTERVAL = 50 * 10000U
} EHC_TIMEOUT_EXPERIENCE_VALUE;
//
// EHC raises TPL to TPL_NOTIFY to serialize all its operations
// to protect shared data structures.
//
#define EHC_TPL TPL_NOTIFY
#define USB2_HC_DEV_SIGNATURE EFI_SIGNATURE_32 ('e', 'h', 'c', 'i')
//
//Iterate through the doule linked list. NOT delete safe
//
#define EFI_LIST_FOR_EACH(Entry, ListHead) \
for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)
//
//Iterate through the doule linked list. This is delete-safe.
//Don't touch NextEntry
//
#define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \
for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\
Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)
#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 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;
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;
//
// 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;
//
// Peroidic (interrupt) transfer schedule data:
//
VOID *PeriodFrame; // Mapped as common buffer
VOID *PeriodFrameHost;
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
UINT32 High32bitAddr;
//
// Misc
//
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
};
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 stoping 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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