UfsHcDxe driver is used to provide platform-dependent info, mainly UFS host controller\r
MMIO base, to upper layer UFS drivers.\r
\r
- Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>\r
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
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
-#include <Library/DevicePathLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
typedef struct _UFS_HOST_CONTROLLER_PRIVATE_DATA UFS_HOST_CONTROLLER_PRIVATE_DATA;\r
\r
//\r
-// Nvme private data structure.\r
+// Ufs host controller private data structure.\r
//\r
struct _UFS_HOST_CONTROLLER_PRIVATE_DATA {\r
UINT32 Signature;\r
- EFI_HANDLE Handle;\r
\r
EDKII_UFS_HOST_CONTROLLER_PROTOCOL UfsHc;\r
- EFI_PCI_IO_PROTOCOL *PciIo; \r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
UINT8 BarIndex;\r
UINT64 PciAttributes;\r
};\r
OUT UINTN *MmioBar\r
);\r
\r
-/** \r
+/**\r
Provides the UFS controller-specific addresses needed to access system memory.\r
- \r
+\r
@param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
@param Operation Indicates if the bus master is going to read or write to system memory.\r
@param HostAddress The system memory address to map to the UFS controller.\r
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes\r
- that were mapped. \r
+ that were mapped.\r
@param DeviceAddress The resulting map address for the bus master UFS controller to use to\r
- access the hosts HostAddress. \r
+ access the hosts HostAddress.\r
@param Mapping A resulting value to pass to Unmap().\r
- \r
+\r
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.\r
- @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer. \r
+ @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.\r
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
OUT VOID **Mapping\r
);\r
\r
-/** \r
+/**\r
Completes the Map() operation and releases any corresponding resources.\r
- \r
- @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. \r
+\r
+ @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
@param Mapping The mapping value returned from Map().\r
- \r
+\r
@retval EFI_SUCCESS The range was unmapped.\r
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
IN VOID *Mapping\r
);\r
\r
-/** \r
+/**\r
Allocates pages that are suitable for an EfiUfsHcOperationBusMasterCommonBuffer\r
- mapping. \r
- \r
+ mapping.\r
+\r
@param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
@param Type This parameter is not used and must be ignored.\r
@param MemoryType The type of memory to allocate, EfiBootServicesData or\r
- EfiRuntimeServicesData. \r
- @param Pages The number of pages to allocate. \r
+ EfiRuntimeServicesData.\r
+ @param Pages The number of pages to allocate.\r
@param HostAddress A pointer to store the base system memory address of the\r
- allocated range. \r
+ allocated range.\r
@param Attributes The requested bit mask of attributes for the allocated range.\r
- \r
+\r
@retval EFI_SUCCESS The requested memory pages were allocated.\r
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are\r
- MEMORY_WRITE_COMBINE and MEMORY_CACHED. \r
+ MEMORY_WRITE_COMBINE and MEMORY_CACHED.\r
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
- @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated. \r
- \r
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.\r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
IN UINT64 Attributes\r
);\r
\r
-/** \r
+/**\r
Frees memory that was allocated with AllocateBuffer().\r
- \r
- @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. \r
- @param Pages The number of pages to free. \r
- @param HostAddress The base system memory address of the allocated range. \r
- \r
+\r
+ @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
+ @param Pages The number of pages to free.\r
+ @param HostAddress The base system memory address of the allocated range.\r
+\r
@retval EFI_SUCCESS The requested memory pages were freed.\r
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages\r
was not allocated with AllocateBuffer().\r
- \r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
IN VOID *HostAddress\r
);\r
\r
-/** \r
+/**\r
Flushes all posted write transactions from the UFS bus to attached UFS device.\r
- \r
- @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance. \r
- \r
+\r
+ @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
+\r
@retval EFI_SUCCESS The posted write transactions were flushed from the UFS bus\r
- to attached UFS device. \r
+ to attached UFS device.\r
@retval EFI_DEVICE_ERROR The posted write transactions were not flushed from the UFS\r
- bus to attached UFS device due to a hardware error. \r
- \r
+ bus to attached UFS device due to a hardware error.\r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This\r
);\r
\r
-/** \r
+/**\r
Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space.\r
\r
@param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
IN OUT VOID *Buffer\r
);\r
\r
-/** \r
+/**\r
Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space.\r
\r
@param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance.\r
projects / mirror_edk2.git / blobdiff