/** @file\r
\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
+ Provides some data struct used by EHCI controller driver.\r
+\r
+Copyright (c) 2006 - 2009, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-Module Name:\r
-\r
- Ehci.h\r
-\r
-Abstract:\r
-\r
-\r
-Revision History\r
-\r
**/\r
\r
#ifndef _EFI_EHCI_H_\r
#define _EFI_EHCI_H_\r
\r
-//\r
-// The package level header files this module uses\r
-//\r
-#include <PiDxe.h>\r
-//\r
-// The protocols, PPI and GUID defintions for this module\r
-//\r
+\r
+#include <Uefi.h>\r
+\r
#include <Protocol/Usb2HostController.h>\r
#include <Protocol/PciIo.h>\r
-//\r
-// The Library classes this module consumes\r
-//\r
+\r
+#include <Guid/EventGroup.h>\r
+\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
-\r
+#include <Library/PcdLib.h>\r
\r
#include <IndustryStandard/Pci22.h>\r
\r
#include "EhciUrb.h"\r
#include "EhciSched.h"\r
#include "EhciDebug.h"\r
+#include "ComponentName.h"\r
\r
-enum {\r
- USB2_HC_DEV_SIGNATURE = EFI_SIGNATURE_32 ('e', 'h', 'c', 'i'),\r
- EHC_STALL_1_MICROSECOND = 1,\r
- EHC_STALL_1_MILLISECOND = 1000 * EHC_STALL_1_MICROSECOND,\r
- EHC_STALL_1_SECOND = 1000 * EHC_STALL_1_MILLISECOND,\r
+typedef enum {\r
+ EHC_1_MICROSECOND = 1,\r
+ EHC_1_MILLISECOND = 1000 * EHC_1_MICROSECOND,\r
+ EHC_1_SECOND = 1000 * EHC_1_MILLISECOND,\r
\r
- EHC_SET_PORT_RESET_TIME = 50 * EHC_STALL_1_MILLISECOND,\r
- EHC_CLEAR_PORT_RESET_TIME = EHC_STALL_1_MILLISECOND,\r
- EHC_GENERIC_TIME = 10 * EHC_STALL_1_MILLISECOND,\r
- EHC_SYNC_POLL_TIME = 20 * EHC_STALL_1_MICROSECOND,\r
- EHC_ASYNC_POLL_TIME = 50 * 10000UL, // The unit of time is 100us\r
+ //\r
+ // EHCI register operation timeout, set by experience\r
+ //\r
+ EHC_RESET_TIMEOUT = 1 * EHC_1_SECOND,\r
+ EHC_GENERIC_TIMEOUT = 10 * EHC_1_MILLISECOND,\r
+\r
+ //\r
+ // Wait for roothub port power stable, refers to Spec[EHCI1.0-2.3.9]\r
+ //\r
+ EHC_ROOT_PORT_RECOVERY_STALL = 20 * EHC_1_MILLISECOND,\r
+\r
+ //\r
+ // Sync and Async transfer polling interval, set by experience,\r
+ // and the unit of Async is 100us, means 50ms as interval.\r
+ //\r
+ EHC_SYNC_POLL_INTERVAL = 20 * EHC_1_MICROSECOND,\r
+ EHC_ASYNC_POLL_INTERVAL = 50 * 10000U\r
+} EHC_TIMEOUT_EXPERIENCE_VALUE;\r
\r
- EHC_TPL = TPL_NOTIFY\r
-};\r
+\r
+//\r
+// EHC raises TPL to TPL_NOTIFY to serialize all its operations\r
+// to protect shared data structures.\r
+//\r
+#define EHC_TPL TPL_NOTIFY\r
\r
//\r
//Iterate through the doule linked list. NOT delete safe\r
for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\\r
Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)\r
\r
-#define EFI_LIST_CONTAINER(Entry, Type, Field) _CR(Entry, Type, Field)\r
+#define EFI_LIST_CONTAINER(Entry, Type, Field) BASE_CR(Entry, Type, Field)\r
\r
\r
#define EHC_LOW_32BIT(Addr64) ((UINT32)(((UINTN)(Addr64)) & 0XFFFFFFFF))\r
#define EHC_REG_BIT_IS_SET(Ehc, Offset, Bit) \\r
(EHC_BIT_IS_SET(EhcReadOpReg ((Ehc), (Offset)), (Bit)))\r
\r
-#define EHC_FROM_THIS(a) CR(a, USB2_HC_DEV, Usb2Hc, USB2_HC_DEV_SIGNATURE)\r
+#define USB2_HC_DEV_SIGNATURE SIGNATURE_32 ('e', 'h', 'c', 'i')\r
+#define EHC_FROM_THIS(a) CR(a, USB2_HC_DEV, Usb2Hc, USB2_HC_DEV_SIGNATURE)\r
\r
struct _USB2_HC_DEV {\r
UINTN Signature;\r
EFI_USB2_HC_PROTOCOL Usb2Hc;\r
\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
+ UINT64 OriginalPciAttributes;\r
USBHC_MEM_POOL *MemPool;\r
\r
//\r
EHC_QTD *ShortReadStop;\r
EFI_EVENT PollTimer;\r
\r
+ //\r
+ // ExitBootServicesEvent is used to stop the EHC DMA operation \r
+ // after exit boot service.\r
+ //\r
+ EFI_EVENT ExitBootServiceEvent;\r
+\r
//\r
// Asynchronous(bulk and control) transfer schedule data:\r
// ReclaimHead is used as the head of the asynchronous transfer\r
};\r
\r
\r
-extern EFI_DRIVER_BINDING_PROTOCOL gEhciDriverBinding;\r
-extern EFI_COMPONENT_NAME_PROTOCOL gEhciComponentName;\r
+extern EFI_DRIVER_BINDING_PROTOCOL gEhciDriverBinding;\r
+extern EFI_COMPONENT_NAME_PROTOCOL gEhciComponentName;\r
+extern EFI_COMPONENT_NAME2_PROTOCOL gEhciComponentName2;\r
+\r
+/**\r
+ Test to see if this driver supports ControllerHandle. Any\r
+ ControllerHandle that has Usb2HcProtocol installed will\r
+ be supported.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Controller Handle of device to test.\r
+ @param RemainingDevicePath Not used.\r
+\r
+ @return EFI_SUCCESS This driver supports this device.\r
+ @return EFI_UNSUPPORTED This driver does not support this device.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EhcDriverBindingSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Starting the Usb EHCI Driver.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Controller Handle of device to test.\r
+ @param RemainingDevicePath Not used.\r
+\r
+ @return EFI_SUCCESS supports this device.\r
+ @return EFI_UNSUPPORTED do not support this device.\r
+ @return EFI_DEVICE_ERROR cannot be started due to device Error.\r
+ @return EFI_OUT_OF_RESOURCES cannot allocate resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EhcDriverBindingStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Stop this driver on ControllerHandle. Support stoping any child handles\r
+ created by this driver.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param Controller Handle of device to stop driver on.\r
+ @param NumberOfChildren Number of Children in the ChildHandleBuffer.\r
+ @param ChildHandleBuffer List of handles for the children we need to stop.\r
+\r
+ @return EFI_SUCCESS Success.\r
+ @return EFI_DEVICE_ERROR Fail.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EhcDriverBindingStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ );\r
\r
#endif\r
+\r
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