diff options
Diffstat (limited to 'Core/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h')
| -rw-r--r-- | Core/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/Core/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h b/Core/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h new file mode 100644 index 0000000000..7177658092 --- /dev/null +++ b/Core/MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h @@ -0,0 +1,248 @@ +/** @file
+
+ Provides some data struct used by EHCI controller driver.
+
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
+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 <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
+
+//
+// EHC raises TPL to TPL_NOTIFY to serialize all its operations
+// to protect shared data structures.
+//
+#define EHC_TPL TPL_NOTIFY
+
+//
+//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 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;
+
+ //
+ // Peroidic (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
+};
+
+
+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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