| /** @file | |
| Private Header file for Usb Host Controller PEIM | |
| Copyright (c) 2010 - 2017, 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 _RECOVERY_EHC_H_ | |
| #define _RECOVERY_EHC_H_ | |
| #include <PiPei.h> | |
| #include <Ppi/UsbController.h> | |
| #include <Ppi/Usb2HostController.h> | |
| #include <Ppi/IoMmu.h> | |
| #include <Ppi/EndOfPeiPhase.h> | |
| #include <Library/DebugLib.h> | |
| #include <Library/PeimEntryPoint.h> | |
| #include <Library/PeiServicesLib.h> | |
| #include <Library/BaseMemoryLib.h> | |
| #include <Library/TimerLib.h> | |
| #include <Library/IoLib.h> | |
| typedef struct _PEI_USB2_HC_DEV PEI_USB2_HC_DEV; | |
| #define EFI_LIST_ENTRY LIST_ENTRY | |
| #include "UsbHcMem.h" | |
| #include "EhciReg.h" | |
| #include "EhciUrb.h" | |
| #include "EhciSched.h" | |
| #define EFI_USB_SPEED_FULL 0x0000 | |
| #define EFI_USB_SPEED_LOW 0x0001 | |
| #define EFI_USB_SPEED_HIGH 0x0002 | |
| #define PAGESIZE 4096 | |
| #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 transfer polling interval, set by experience. | |
| // | |
| #define EHC_SYNC_POLL_INTERVAL (6 * EHC_1_MILLISECOND) | |
| // | |
| //Iterate through the double linked list. NOT delete safe | |
| // | |
| #define EFI_LIST_FOR_EACH(Entry, ListHead) \ | |
| for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink) | |
| // | |
| //Iterate through the double 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') | |
| struct _PEI_USB2_HC_DEV { | |
| UINTN Signature; | |
| PEI_USB2_HOST_CONTROLLER_PPI Usb2HostControllerPpi; | |
| EDKII_IOMMU_PPI *IoMmu; | |
| EFI_PEI_PPI_DESCRIPTOR PpiDescriptor; | |
| // | |
| // EndOfPei callback is used to stop the EHC DMA operation | |
| // after exit PEI phase. | |
| // | |
| EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList; | |
| UINT32 UsbHostControllerBaseAddress; | |
| PEI_URB *Urb; | |
| 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. | |
| // | |
| PEI_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. | |
| // | |
| PEI_EHC_QH *ReclaimHead; | |
| // | |
| // Periodic (interrupt) transfer schedule data: | |
| // | |
| VOID *PeriodFrame; // Mapped as common buffer | |
| VOID *PeriodFrameMap; | |
| PEI_EHC_QH *PeriodOne; | |
| EFI_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; | |
| }; | |
| #define PEI_RECOVERY_USB_EHC_DEV_FROM_EHCI_THIS(a) CR (a, PEI_USB2_HC_DEV, Usb2HostControllerPpi, USB2_HC_DEV_SIGNATURE) | |
| #define PEI_RECOVERY_USB_EHC_DEV_FROM_THIS_NOTIFY(a) CR (a, PEI_USB2_HC_DEV, EndOfPeiNotifyList, USB2_HC_DEV_SIGNATURE) | |
| /** | |
| @param EhcDev EHCI Device. | |
| @retval EFI_SUCCESS EHCI successfully initialized. | |
| @retval EFI_ABORTED EHCI was failed to be initialized. | |
| **/ | |
| EFI_STATUS | |
| InitializeUsbHC ( | |
| IN PEI_USB2_HC_DEV *EhcDev | |
| ); | |
| /** | |
| Initialize the memory management pool for the host controller. | |
| @param Ehc The EHCI device. | |
| @param Check4G Whether the host controller requires allocated memory | |
| from one 4G address space. | |
| @param Which4G The 4G memory area each memory allocated should be from. | |
| @retval EFI_SUCCESS The memory pool is initialized. | |
| @retval EFI_OUT_OF_RESOURCE Fail to init the memory pool. | |
| **/ | |
| USBHC_MEM_POOL * | |
| UsbHcInitMemPool ( | |
| IN PEI_USB2_HC_DEV *Ehc, | |
| IN BOOLEAN Check4G, | |
| IN UINT32 Which4G | |
| ) | |
| ; | |
| /** | |
| Release the memory management pool. | |
| @param Ehc The EHCI device. | |
| @param Pool The USB memory pool to free. | |
| @retval EFI_DEVICE_ERROR Fail to free the memory pool. | |
| @retval EFI_SUCCESS The memory pool is freed. | |
| **/ | |
| EFI_STATUS | |
| UsbHcFreeMemPool ( | |
| IN PEI_USB2_HC_DEV *Ehc, | |
| IN USBHC_MEM_POOL *Pool | |
| ) | |
| ; | |
| /** | |
| Allocate some memory from the host controller's memory pool | |
| which can be used to communicate with host controller. | |
| @param Ehc The EHCI device. | |
| @param Pool The host controller's memory pool. | |
| @param Size Size of the memory to allocate. | |
| @return The allocated memory or NULL. | |
| **/ | |
| VOID * | |
| UsbHcAllocateMem ( | |
| IN PEI_USB2_HC_DEV *Ehc, | |
| IN USBHC_MEM_POOL *Pool, | |
| IN UINTN Size | |
| ) | |
| ; | |
| /** | |
| Free the allocated memory back to the memory pool. | |
| @param Ehc The EHCI device. | |
| @param Pool The memory pool of the host controller. | |
| @param Mem The memory to free. | |
| @param Size The size of the memory to free. | |
| **/ | |
| VOID | |
| UsbHcFreeMem ( | |
| IN PEI_USB2_HC_DEV *Ehc, | |
| IN USBHC_MEM_POOL *Pool, | |
| IN VOID *Mem, | |
| IN UINTN Size | |
| ) | |
| ; | |
| /** | |
| Provides the controller-specific addresses required to access system memory from a | |
| DMA bus master. | |
| @param IoMmu Pointer to IOMMU PPI. | |
| @param Operation Indicates if the bus master is going to read or write to system memory. | |
| @param HostAddress The system memory address to map to the PCI controller. | |
| @param NumberOfBytes On input the number of bytes to map. On output the number of bytes | |
| that were mapped. | |
| @param DeviceAddress The resulting map address for the bus master PCI controller to use to | |
| access the hosts HostAddress. | |
| @param Mapping A resulting value to pass to Unmap(). | |
| @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes. | |
| @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer. | |
| @retval EFI_INVALID_PARAMETER One or more parameters are invalid. | |
| @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. | |
| @retval EFI_DEVICE_ERROR The system hardware could not map the requested address. | |
| **/ | |
| EFI_STATUS | |
| IoMmuMap ( | |
| IN EDKII_IOMMU_PPI *IoMmu, | |
| IN EDKII_IOMMU_OPERATION Operation, | |
| IN VOID *HostAddress, | |
| IN OUT UINTN *NumberOfBytes, | |
| OUT EFI_PHYSICAL_ADDRESS *DeviceAddress, | |
| OUT VOID **Mapping | |
| ); | |
| /** | |
| Completes the Map() operation and releases any corresponding resources. | |
| @param IoMmu Pointer to IOMMU PPI. | |
| @param Mapping The mapping value returned from Map(). | |
| **/ | |
| VOID | |
| IoMmuUnmap ( | |
| IN EDKII_IOMMU_PPI *IoMmu, | |
| IN VOID *Mapping | |
| ); | |
| /** | |
| Allocates pages that are suitable for an OperationBusMasterCommonBuffer or | |
| OperationBusMasterCommonBuffer64 mapping. | |
| @param IoMmu Pointer to IOMMU PPI. | |
| @param Pages The number of pages to allocate. | |
| @param HostAddress A pointer to store the base system memory address of the | |
| allocated range. | |
| @param DeviceAddress The resulting map address for the bus master PCI controller to use to | |
| access the hosts HostAddress. | |
| @param Mapping A resulting value to pass to Unmap(). | |
| @retval EFI_SUCCESS The requested memory pages were allocated. | |
| @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are | |
| MEMORY_WRITE_COMBINE and MEMORY_CACHED. | |
| @retval EFI_INVALID_PARAMETER One or more parameters are invalid. | |
| @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated. | |
| **/ | |
| EFI_STATUS | |
| IoMmuAllocateBuffer ( | |
| IN EDKII_IOMMU_PPI *IoMmu, | |
| IN UINTN Pages, | |
| OUT VOID **HostAddress, | |
| OUT EFI_PHYSICAL_ADDRESS *DeviceAddress, | |
| OUT VOID **Mapping | |
| ); | |
| /** | |
| Frees memory that was allocated with AllocateBuffer(). | |
| @param IoMmu Pointer to IOMMU PPI. | |
| @param Pages The number of pages to free. | |
| @param HostAddress The base system memory address of the allocated range. | |
| @param Mapping The mapping value returned from Map(). | |
| **/ | |
| VOID | |
| IoMmuFreeBuffer ( | |
| IN EDKII_IOMMU_PPI *IoMmu, | |
| IN UINTN Pages, | |
| IN VOID *HostAddress, | |
| IN VOID *Mapping | |
| ); | |
| /** | |
| Initialize IOMMU. | |
| @param IoMmu Pointer to pointer to IOMMU PPI. | |
| **/ | |
| VOID | |
| IoMmuInit ( | |
| OUT EDKII_IOMMU_PPI **IoMmu | |
| ); | |
| #endif |