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270 lines
7.4 KiB
C
270 lines
7.4 KiB
C
/** @file
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EFI PCAT ISA ACPI Driver for a Generic PC Platform
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PCAT_ISA_ACPI_H_
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#define _PCAT_ISA_ACPI_H_
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#include <PiDxe.h>
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#include <IndustryStandard/Pci.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/IsaIo.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/ComponentName2.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PcdLib.h>
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#include <Protocol/IsaAcpi.h>
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//
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// PCAT ISA ACPI device private data structure
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//
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#define PCAT_ISA_ACPI_DEV_SIGNATURE SIGNATURE_32('L','P','C','D')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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EFI_ISA_ACPI_PROTOCOL IsaAcpi;
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EFI_PCI_IO_PROTOCOL *PciIo;
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UINT64 OriginalAttributes;
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} PCAT_ISA_ACPI_DEV;
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#define PCAT_ISA_ACPI_DEV_FROM_THIS(a) BASE_CR(a, PCAT_ISA_ACPI_DEV, IsaAcpi)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding;
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extern EFI_COMPONENT_NAME2_PROTOCOL gPcatIsaAcpiComponentName2;
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extern EFI_COMPONENT_NAME_PROTOCOL gPcatIsaAcpiComponentName;
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//
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// Prototypes for Driver model protocol interface
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//
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/**
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ControllerDriver Protocol Method
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@param This Driver Binding protocol instance pointer.
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@param Controller Handle of device to test.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Install EFI_ISA_ACPI_PROTOCOL.
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@param This Driver Binding protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop this driver on ControllerHandle. Support stopping any child handles
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created by this driver.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// Prototypes for the ISA ACPI protocol interface
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//
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/**
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Enumerate the ISA devices on the ISA bus
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@retval EFI_NOT_FOUND Can not found the next Isa device.
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@retval EFI_SUCCESS Success retrieve the next Isa device for enumration.
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**/
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EFI_STATUS
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EFIAPI
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IsaDeviceEnumerate (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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OUT EFI_ISA_ACPI_DEVICE_ID **Device
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);
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/**
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Set ISA device power
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@param OnOff TRUE for setting isa device power on,
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FALSE for setting isa device power off
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@return EFI_SUCCESS Success to change power status for isa device.
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**/
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EFI_STATUS
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EFIAPI
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IsaDeviceSetPower (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device,
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IN BOOLEAN OnOff
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);
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/**
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Get current resource for the specific ISA device.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@param ResourceList On return, point to resources instances for given isa device
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@retval EFI_NOT_FOUND Can not found the resource instance for given isa device
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@retval EFI_SUCCESS Success to get resource instance for given isa device.
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**/
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EFI_STATUS
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EFIAPI
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IsaGetCurrentResource (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device,
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OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList
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);
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/**
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Get possible resource for the specific ISA device.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@param ResourceList On return, point to resources instances for given isa device
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@retval EFI_SUCCESS Success to get resource instance for given isa device.
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**/
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EFI_STATUS
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EFIAPI
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IsaGetPossibleResource (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device,
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OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList
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);
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/**
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Set resource for the specific ISA device.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@param ResourceList Point to resources instances for given isa device
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@return EFI_SUCCESS Success to set resource.
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**/
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EFI_STATUS
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EFIAPI
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IsaSetResource (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device,
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IN EFI_ISA_ACPI_RESOURCE_LIST *ResourceList
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);
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/**
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Enable/Disable the specific ISA device.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@param Enable Enable/Disable
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@return EFI_SUCCESS Success to enable/disable.
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**/
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EFI_STATUS
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EFIAPI
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IsaEnableDevice (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device,
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IN BOOLEAN Enable
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);
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/**
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Initialize the specific ISA device.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@param Device Point to device ID instance
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@return EFI_SUCCESS Success to initialize.
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**/
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EFI_STATUS
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EFIAPI
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IsaInitDevice (
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IN EFI_ISA_ACPI_PROTOCOL *This,
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IN EFI_ISA_ACPI_DEVICE_ID *Device
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);
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/**
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Initialize the ISA interface.
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@param This Point to instance of EFI_ISA_ACPI_PROTOCOL
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@return EFI_SUCCESS Success to initialize ISA interface.
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**/
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EFI_STATUS
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EFIAPI
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IsaInterfaceInit (
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IN EFI_ISA_ACPI_PROTOCOL *This
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);
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/**
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Initialize the ISA device list.
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**/
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VOID
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InitializePcatIsaAcpiDeviceList (
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VOID
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);
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#endif
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