X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OldMdePkg%2FInclude%2FProtocol%2FSmmGpiDispatch.h;fp=OldMdePkg%2FInclude%2FProtocol%2FSmmGpiDispatch.h;h=8173fe540faaf57d270162ac4e1ea025c0f0e26e;hp=0000000000000000000000000000000000000000;hb=586cd1f1f4129ab7ec24543d4968801e17cc870b;hpb=144d783d40c8a02113350feabd1b9a55b692313f

diff --git a/OldMdePkg/Include/Protocol/SmmGpiDispatch.h b/OldMdePkg/Include/Protocol/SmmGpiDispatch.h
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+/** @file
+  This file declares Smm Gpi Smi Child Protocol
+
+  Copyright (c) 2006, Intel Corporation                                                         
+  All rights reserved. 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.             
+
+  Module Name:  SmmGpiDispatch.h
+
+  @par Revision Reference:
+  This Protocol is defined in Framework of EFI SMM Core Interface Spec
+  Version 0.9.
+
+**/
+
+#ifndef _EFI_SMM_GPI_DISPATCH_H_
+#define _EFI_SMM_GPI_DISPATCH_H_
+
+//
+// Global ID for the GPI SMI Protocol
+//
+#define EFI_SMM_GPI_DISPATCH_PROTOCOL_GUID \
+  { \
+    0xe0744b81, 0x9513, 0x49cd, {0x8c, 0xea, 0xe9, 0x24, 0x5e, 0x70, 0x39, 0xda } \
+  }
+
+typedef struct _EFI_SMM_GPI_DISPATCH_PROTOCOL  EFI_SMM_GPI_DISPATCH_PROTOCOL;
+
+//
+// Related Definitions
+//
+//
+// GpiMask is a bit mask of 32 possible general purpose inputs that can generate a
+// a SMI.  Bit 0 corresponds to logical GPI[0], 1 corresponds to logical GPI[1], etc.
+//
+// The logical GPI index to physical pin on device is described by the GPI device name
+// found on the same handle as the GpiSmi child dispatch protocol.  The GPI device name
+// is defined as protocol with a GUID name and NULL protocol pointer.
+//
+typedef struct {
+  UINTN GpiNum;
+} EFI_SMM_GPI_DISPATCH_CONTEXT;
+
+//
+// Member functions
+//
+/**
+  Dispatch function for a GPI SMI handler.
+
+  @param  DispatchHandle        Handle of this dispatch function.
+  @param  DispatchContext       Pointer to the dispatch function's context.
+                                The DispatchContext fields are filled in by the dispatching driver prior to
+                                invoking this dispatch function.
+
+  @return None
+
+**/
+typedef
+VOID
+(EFIAPI *EFI_SMM_GPI_DISPATCH) (
+  IN  EFI_HANDLE                    DispatchHandle,
+  IN  EFI_SMM_GPI_DISPATCH_CONTEXT  *DispatchContext
+  );
+
+/**
+  Register a child SMI source dispatch function with a parent SMM driver
+
+  @param  This                  Protocol instance pointer.
+  @param  DispatchFunction      Pointer to dispatch function to be invoked for
+                                this SMI source
+  @param  DispatchContext       Pointer to the dispatch function's context.
+                                The caller fills this context in before calling
+                                the register function to indicate to the register
+                                function the GPI(s) for which the dispatch function
+                                should be invoked.
+  @param  DispatchHandle        Handle of dispatch function, for when interfacing
+                                with the parent Sx state SMM driver.
+
+  @retval EFI_SUCCESS           The dispatch function has been successfully
+                                registered and the SMI source has been enabled.
+  @retval EFI_DEVICE_ERROR      The driver was unable to enable the SMI source.
+  @retval EFI_OUT_OF_RESOURCES  Not enough memory (system or SMM) to manage this
+                                child.
+  @retval EFI_INVALID_PARAMETER DispatchContext is invalid. The GPI input value
+                                is not within valid range.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_GPI_REGISTER) (
+  IN EFI_SMM_GPI_DISPATCH_PROTOCOL            *This,
+  IN  EFI_SMM_GPI_DISPATCH                    DispatchFunction,
+  IN  EFI_SMM_GPI_DISPATCH_CONTEXT            *DispatchContext,
+  OUT EFI_HANDLE                              *DispatchHandle
+  );
+
+/**
+  Unregister a child SMI source dispatch function with a parent SMM driver
+
+  @param  This                  Protocol instance pointer.
+  @param  DispatchHandle        Handle of dispatch function to deregister.
+
+  @retval EFI_SUCCESS           The dispatch function has been successfully
+                                unregistered and the SMI source has been disabled
+                                if there are no other registered child dispatch
+                                functions for this SMI source.
+  @retval EFI_INVALID_PARAMETER Handle is invalid.
+  @retval other                 TBD
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_GPI_UNREGISTER) (
+  IN EFI_SMM_GPI_DISPATCH_PROTOCOL            *This,
+  IN  EFI_HANDLE                              DispatchHandle
+  );
+
+//
+// Interface structure for the SMM GPI SMI Dispatch Protocol
+//
+/**
+  @par Protocol Description:
+  Provides the parent dispatch service for the General Purpose Input 
+  (GPI) SMI source generator.
+
+  @param Register
+  Installs a child service to be dispatched by this protocol.
+
+  @param UnRegister
+  Removes a child service dispatched by this protocol.
+
+  @param NumSupportedGpis
+  Denotes the maximum value of inputs that can have handlers attached.
+
+**/
+struct _EFI_SMM_GPI_DISPATCH_PROTOCOL {
+  EFI_SMM_GPI_REGISTER    Register;
+  EFI_SMM_GPI_UNREGISTER  UnRegister;
+  UINTN                   NumSupportedGpis;
+};
+
+extern EFI_GUID gEfiSmmGpiDispatchProtocolGuid;
+
+#endif
+