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Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/IsaIoDxe/IsaIo.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/IsaIoDxe/IsaIo.h | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaIoDxe/IsaIo.h b/IntelFrameworkModulePkg/Bus/Isa/IsaIoDxe/IsaIo.h new file mode 100644 index 0000000000..cc4a1f8b80 --- /dev/null +++ b/IntelFrameworkModulePkg/Bus/Isa/IsaIoDxe/IsaIo.h @@ -0,0 +1,331 @@ +/** @file
+ The header file for EFI_ISA_IO protocol implementation.
+
+Copyright (c) 2010, 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 _ISA_IO_H_
+#define _ISA_IO_H_
+
+#include "IsaDriver.h"
+
+//
+// Bits definition of PcdIsaBusSupportedFeatures
+//
+#define PCD_ISA_BUS_SUPPORT_DMA BIT0
+#define PCD_ISA_BUS_ONLY_SUPPORT_SLAVE_DMA BIT1
+#define PCD_ISA_BUS_SUPPORT_ISA_MEMORY BIT2
+
+//
+// ISA I/O Support Function Prototypes
+//
+
+/**
+ Verifies access to an ISA device
+
+ @param[in] IsaIoDevice The ISA device to be verified.
+ @param[in] Type The Access type. The input must be either IsaAccessTypeMem or IsaAccessTypeIo.
+ @param[in] Width The width of the memory operation.
+ @param[in] Count The number of memory operations to perform.
+ @param[in] Offset The offset in ISA memory space to start the memory operation.
+
+ @retval EFI_SUCCESS Verify success.
+ @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
+ @retval EFI_UNSUPPORTED The device ont support the access type.
+**/
+EFI_STATUS
+IsaIoVerifyAccess (
+ IN ISA_IO_DEVICE *IsaIoDevice,
+ IN ISA_ACCESS_TYPE Type,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINTN Count,
+ IN UINT32 Offset
+ );
+
+/**
+ Performs an ISA I/O Read Cycle
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Width Specifies the width of the I/O operation.
+ @param[in] Offset The offset in ISA I/O space to start the I/O operation.
+ @param[in] Count The number of I/O operations to perform.
+ @param[out] Buffer The destination buffer to store the results
+
+ @retval EFI_SUCCESS The data was read from the device sucessfully.
+ @retval EFI_UNSUPPORTED The Offset is not valid for this device.
+ @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoIoRead (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ OUT VOID *Buffer
+ );
+
+/**
+ Performs an ISA I/O Write Cycle
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Width Specifies the width of the I/O operation.
+ @param[in] Offset The offset in ISA I/O space to start the I/O operation.
+ @param[in] Count The number of I/O operations to perform.
+ @param[in] Buffer The source buffer to write data from
+
+ @retval EFI_SUCCESS The data was writen to the device sucessfully.
+ @retval EFI_UNSUPPORTED The Offset is not valid for this device.
+ @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoIoWrite (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ IN VOID *Buffer
+ );
+
+/**
+ Maps a memory region for DMA
+
+ @param This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param Operation Indicates the type of DMA (slave or bus master), and if
+ the DMA operation is going to read or write to system memory.
+ @param ChannelNumber The slave channel number to use for this DMA operation.
+ If Operation and ChannelAttributes shows that this device
+ performs bus mastering DMA, then this field is ignored.
+ The legal range for this field is 0..7.
+ @param ChannelAttributes The attributes of the DMA channel to use for this DMA operation
+ @param HostAddress The system memory address to map to the device.
+ @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 device to use
+ to access the hosts HostAddress.
+ @param Mapping A resulting value to pass to EFI_ISA_IO.Unmap().
+
+ @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
+ @retval EFI_INVALID_PARAMETER The Operation or HostAddress is undefined.
+ @retval EFI_UNSUPPORTED The HostAddress can not be mapped as a common buffer.
+ @retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoMap (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_OPERATION Operation,
+ IN UINT8 ChannelNumber OPTIONAL,
+ IN UINT32 ChannelAttributes,
+ IN VOID *HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
+ );
+
+/**
+ Unmaps a memory region for DMA
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Mapping The mapping value returned from EFI_ISA_IO.Map().
+
+ @retval EFI_SUCCESS The range was unmapped.
+ @retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoUnmap (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN VOID *Mapping
+ );
+
+/**
+ Flushes any posted write data to the system memory.
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+
+ @retval EFI_SUCCESS The buffers were flushed.
+ @retval EFI_DEVICE_ERROR The buffers were not flushed due to a hardware error.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoFlush (
+ IN EFI_ISA_IO_PROTOCOL *This
+ );
+
+/**
+ Writes I/O operation base address and count number to a 8 bit I/O Port.
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] AddrOffset The address' offset.
+ @param[in] PageOffset The page's offest.
+ @param[in] CountOffset The count's offset.
+ @param[in] BaseAddress The base address.
+ @param[in] Count The number of I/O operations to perform.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER Parameter is invalid.
+ @retval EFI_UNSUPPORTED The address range specified by these Offsets and Count is not valid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+WriteDmaPort (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN UINT32 AddrOffset,
+ IN UINT32 PageOffset,
+ IN UINT32 CountOffset,
+ IN UINT32 BaseAddress,
+ IN UINT16 Count
+ );
+
+/**
+ Writes an 8-bit I/O Port
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Offset The offset in ISA IO space to start the IO operation.
+ @param[in] Value The data to write port.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER Parameter is invalid.
+ @retval EFI_UNSUPPORTED The address range specified by Offset is not valid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+WritePort (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN UINT32 Offset,
+ IN UINT8 Value
+ );
+
+/**
+ Performs an ISA Memory Read Cycle
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Width Specifies the width of the memory operation.
+ @param[in] Offset The offset in ISA memory space to start the memory operation.
+ @param[in] Count The number of memory operations to perform.
+ @param[out] Buffer The destination buffer to store the results
+
+ @retval EFI_SUCCESS The data was read from the device successfully.
+ @retval EFI_UNSUPPORTED The Offset is not valid for this device.
+ @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoMemRead (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ OUT VOID *Buffer
+ );
+
+
+/**
+ Performs an ISA Memory Write Cycle
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Width Specifies the width of the memory operation.
+ @param[in] Offset The offset in ISA memory space to start the memory operation.
+ @param[in] Count The number of memory operations to perform.
+ @param[in] Buffer The source buffer to write data from
+
+ @retval EFI_SUCCESS The data was written to the device sucessfully.
+ @retval EFI_UNSUPPORTED The Offset is not valid for this device.
+ @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoMemWrite (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 Offset,
+ IN UINTN Count,
+ IN VOID *Buffer
+ );
+
+/**
+ Copy one region of ISA memory space to another region of ISA memory space on the ISA controller.
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Width Specifies the width of the memory copy operation.
+ @param[in] DestOffset The offset of the destination
+ @param[in] SrcOffset The offset of the source
+ @param[in] Count The number of memory copy operations to perform
+
+ @retval EFI_SUCCESS The data was copied sucessfully.
+ @retval EFI_UNSUPPORTED The DestOffset or SrcOffset is not valid for this device.
+ @retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoCopyMem (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
+ IN UINT32 DestOffset,
+ IN UINT32 SrcOffset,
+ IN UINTN Count
+ );
+
+/**
+ Allocates pages that are suitable for an EfiIsaIoOperationBusMasterCommonBuffer mapping.
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Type The type allocation to perform.
+ @param[in] MemoryType The type of memory to allocate.
+ @param[in] Pages The number of pages to allocate.
+ @param[out] HostAddress A pointer to store the base address of the allocated range.
+ @param[in] Attributes The requested bit mask of attributes for the allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were allocated.
+ @retval EFI_INVALID_PARAMETER Type is invalid or MemoryType is invalid or HostAddress is NULL
+ @retval EFI_UNSUPPORTED Attributes is unsupported or the memory range specified
+ by HostAddress, Pages, and Type is not available for common buffer use.
+ @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
+**/
+EFI_STATUS
+EFIAPI
+IsaIoAllocateBuffer (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN EFI_ALLOCATE_TYPE Type,
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ OUT VOID **HostAddress,
+ IN UINT64 Attributes
+ );
+
+/**
+ Frees memory that was allocated with EFI_ISA_IO.AllocateBuffer().
+
+ @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
+ @param[in] Pages The number of pages to free.
+ @param[in] HostAddress The base address of the allocated range.
+
+ @retval EFI_SUCCESS The requested memory pages were freed.
+ @retval EFI_INVALID_PARAMETER The memory was not allocated with EFI_ISA_IO.AllocateBufer().
+**/
+EFI_STATUS
+EFIAPI
+IsaIoFreeBuffer (
+ IN EFI_ISA_IO_PROTOCOL *This,
+ IN UINTN Pages,
+ IN VOID *HostAddress
+ );
+
+#endif
+
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