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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SuperIo.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SuperIo.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SuperIo.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SuperIo.h new file mode 100644 index 0000000000..f9714e2d1f --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SuperIo.h @@ -0,0 +1,175 @@ +/** @file + The Super I/O Protocol is installed by the Super I/O driver. The Super I/O driver is a UEFI driver + model compliant driver. In the Start() routine of the Super I/O driver, a handle with an instance + of EFI_SIO_PROTOCOL is created for each device within the Super I/O. The device within the + Super I/O is powered up, enabled, and assigned with the default set of resources. In the Stop() + routine of the Super I/O driver, the device is disabled and Super I/O protocol is uninstalled. + + Copyright (c) 2006 - 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 __EFI_SUPER_IO_PROTOCOL_H__ +#define __EFI_SUPER_IO_PROTOCOL_H__ +#include <IndustryStandard/Acpi.h> + +#define EFI_SIO_PROTOCOL_GUID \ + { 0x215fdd18, 0xbd50, 0x4feb, { 0x89, 0xb, 0x58, 0xca, 0xb, 0x47, 0x39, 0xe9 } } + +typedef union { + ACPI_SMALL_RESOURCE_HEADER *SmallHeader; + ACPI_LARGE_RESOURCE_HEADER *LargeHeader; +} ACPI_RESOURCE_HEADER_PTR; + +typedef struct { + UINT8 Register; ///< Register number. + UINT8 AndMask; ///< Bitwise AND mask. + UINT8 OrMask; ///< Bitwise OR mask. +} EFI_SIO_REGISTER_MODIFY; + +typedef struct _EFI_SIO_PROTOCOL EFI_SIO_PROTOCOL; + +/** + Provides a low level access to the registers for the Super I/O. + + @param[in] This Indicates a pointer to the calling context. + @param[in] Write Specifies the type of the register operation. If this parameter is TRUE, Value is + interpreted as an input parameter and the operation is a register write. If this parameter + is FALSE, Value is interpreted as an output parameter and the operation is a register + read. + @param[in] ExitCfgMode Exit Configuration Mode Indicator. If this parameter is set to TRUE, the Super I/O + driver will turn off configuration mode of the Super I/O prior to returning from this + function. If this parameter is set to FALSE, the Super I/O driver will leave Super I/O + in the configuration mode. + The Super I/O driver must track the current state of the Super I/O and enable the + configuration mode of Super I/O if necessary prior to register access. + @param[in] Register Register number. + @param[in, out] Value If Write is TRUE, Value is a pointer to the buffer containing the byte of data to be + written to the Super I/O register. If Write is FALSE, Value is a pointer to the + destination buffer for the byte of data to be read from the Super I/O register. + + @retval EFI_SUCCESS The operation completed successfully + @retval EFI_INVALID_PARAMETER The Value is NULL + @retval EFI_INVALID_PARAMETER Invalid Register number + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIO_REGISTER_ACCESS)( + IN CONST EFI_SIO_PROTOCOL *This, + IN BOOLEAN Write, + IN BOOLEAN ExitCfgMode, + IN UINT8 Register, + IN OUT UINT8 *Value +); + +/** + Provides an interface to get a list of the current resources consumed by the device in the ACPI + Resource Descriptor format. + + GetResources() returns a list of resources currently consumed by the device. The + ResourceList is a pointer to the buffer containing resource descriptors for the device. The + descriptors are in the format of Small or Large ACPI resource descriptor as defined by ACPI + specification (2.0 & 3.0). The buffer of resource descriptors is terminated with the 'End tag' + resource descriptor. + + @param[in] This Indicates a pointer to the calling context. + @param[out] ResourceList A pointer to an ACPI resource descriptor list that defines the current resources used by + the device. Type ACPI_RESOURCE_HEADER_PTR is defined in the "Related + Definitions" below. + + @retval EFI_SUCCESS The operation completed successfully + @retval EFI_INVALID_PARAMETER ResourceList is NULL + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIO_GET_RESOURCES)( + IN CONST EFI_SIO_PROTOCOL *This, + OUT ACPI_RESOURCE_HEADER_PTR *ResourceList +); + +/** + Sets the resources for the device. + + @param[in] This Indicates a pointer to the calling context. + @param[in] ResourceList Pointer to the ACPI resource descriptor list. Type ACPI_RESOURCE_HEADER_PTR + is defined in the "Related Definitions" section of + EFI_SIO_PROTOCOL.GetResources(). + + @retval EFI_SUCCESS The operation completed successfully + @retval EFI_INVALID_PARAMETER ResourceList is invalid + @retval EFI_ACCESS_DENIED Some of the resources in ResourceList are in use + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIO_SET_RESOURCES)( + IN CONST EFI_SIO_PROTOCOL *This, + IN ACPI_RESOURCE_HEADER_PTR ResourceList +); + +/** + Provides a collection of resource descriptor lists. Each resource descriptor list in the collection + defines a combination of resources that can potentially be used by the device. + + @param[in] This Indicates a pointer to the calling context. + @param[out] ResourceCollection Collection of the resource descriptor lists. + + @retval EFI_SUCCESS The operation completed successfully + @retval EFI_INVALID_PARAMETER ResourceCollection is NULL +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIO_POSSIBLE_RESOURCES)( + IN CONST EFI_SIO_PROTOCOL *This, + OUT ACPI_RESOURCE_HEADER_PTR *ResourceCollection +); + +/** + Provides an interface for a table based programming of the Super I/O registers. + + The Modify() function provides an interface for table based programming of the Super I/O + registers. This function can be used to perform programming of multiple Super I/O registers with a + single function call. For each table entry, the Register is read, its content is bitwise ANDed with + AndMask, and then ORed with OrMask before being written back to the Register. The Super + I/O driver must track the current state of the Super I/O and enable the configuration mode of Super I/ + O if necessary prior to table processing. Once the table is processed, the Super I/O device has to be + returned to the original state. + + @param[in] This Indicates a pointer to the calling context. + @param[in] Command A pointer to an array of NumberOfCommands EFI_SIO_REGISTER_MODIFY + structures. Each structure specifies a single Super I/O register modify operation. Type + EFI_SIO_REGISTER_MODIFY is defined in the "Related Definitions" below. + @param[in] NumberOfCommands Number of elements in the Command array. + + @retval EFI_SUCCESS The operation completed successfully + @retval EFI_INVALID_PARAMETER Command is NULL + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SIO_MODIFY)( + IN CONST EFI_SIO_PROTOCOL *This, + IN CONST EFI_SIO_REGISTER_MODIFY *Command, + IN UINTN NumberOfCommands +); + +struct _EFI_SIO_PROTOCOL { + EFI_SIO_REGISTER_ACCESS RegisterAccess; + EFI_SIO_GET_RESOURCES GetResources; + EFI_SIO_SET_RESOURCES SetResources; + EFI_SIO_POSSIBLE_RESOURCES PossibleResources; + EFI_SIO_MODIFY Modify; +}; + +extern EFI_GUID gEfiSioProtocolGuid; + +#endif // __EFI_SUPER_IO_PROTOCOL_H__ |