mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-14 10:05:43 +01:00
298 lines
12 KiB
C
298 lines
12 KiB
C
/** @file
|
|
The header file for ISA bus driver
|
|
|
|
Copyright (c) 2006 - 2009, 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 _INTERNAL_ISA_BUS_H_
|
|
#define _INTERNAL_ISA_BUS_H_
|
|
|
|
|
|
#include <Uefi.h>
|
|
|
|
#include <Protocol/PciIo.h>
|
|
#include <Protocol/ComponentName.h>
|
|
#include <Protocol/IsaIo.h>
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/IsaAcpi.h>
|
|
#include <Protocol/DriverBinding.h>
|
|
#include <Protocol/GenericMemoryTest.h>
|
|
#include <Guid/StatusCodeDataTypeId.h>
|
|
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/DevicePathLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/ReportStatusCodeLib.h>
|
|
#include <Library/PcdLib.h>
|
|
|
|
#include "ComponentName.h"
|
|
|
|
//
|
|
// 8237 DMA registers
|
|
//
|
|
#define R_8237_DMA_BASE_CA_CH0 0x00
|
|
#define R_8237_DMA_BASE_CA_CH1 0x02
|
|
#define R_8237_DMA_BASE_CA_CH2 0x04
|
|
#define R_8237_DMA_BASE_CA_CH3 0xd6
|
|
#define R_8237_DMA_BASE_CA_CH5 0xc4
|
|
#define R_8237_DMA_BASE_CA_CH6 0xc8
|
|
#define R_8237_DMA_BASE_CA_CH7 0xcc
|
|
|
|
#define R_8237_DMA_BASE_CC_CH0 0x01
|
|
#define R_8237_DMA_BASE_CC_CH1 0x03
|
|
#define R_8237_DMA_BASE_CC_CH2 0x05
|
|
#define R_8237_DMA_BASE_CC_CH3 0xd7
|
|
#define R_8237_DMA_BASE_CC_CH5 0xc6
|
|
#define R_8237_DMA_BASE_CC_CH6 0xca
|
|
#define R_8237_DMA_BASE_CC_CH7 0xce
|
|
|
|
#define R_8237_DMA_MEM_LP_CH0 0x87
|
|
#define R_8237_DMA_MEM_LP_CH1 0x83
|
|
#define R_8237_DMA_MEM_LP_CH2 0x81
|
|
#define R_8237_DMA_MEM_LP_CH3 0x82
|
|
#define R_8237_DMA_MEM_LP_CH5 0x8B
|
|
#define R_8237_DMA_MEM_LP_CH6 0x89
|
|
#define R_8237_DMA_MEM_LP_CH7 0x8A
|
|
|
|
|
|
#define R_8237_DMA_COMMAND_CH0_3 0x08
|
|
#define R_8237_DMA_COMMAND_CH4_7 0xd0
|
|
#define B_8237_DMA_COMMAND_GAP 0x10
|
|
#define B_8237_DMA_COMMAND_CGE 0x04
|
|
|
|
|
|
#define R_8237_DMA_STA_CH0_3 0xd8
|
|
#define R_8237_DMA_STA_CH4_7 0xd0
|
|
|
|
#define R_8237_DMA_WRSMSK_CH0_3 0x0a
|
|
#define R_8237_DMA_WRSMSK_CH4_7 0xd4
|
|
#define B_8237_DMA_WRSMSK_CMS 0x04
|
|
|
|
|
|
#define R_8237_DMA_CHMODE_CH0_3 0x0b
|
|
#define R_8237_DMA_CHMODE_CH4_7 0xd6
|
|
#define V_8237_DMA_CHMODE_DEMAND 0x00
|
|
#define V_8237_DMA_CHMODE_SINGLE 0x40
|
|
#define V_8237_DMA_CHMODE_CASCADE 0xc0
|
|
#define B_8237_DMA_CHMODE_DECREMENT 0x20
|
|
#define B_8237_DMA_CHMODE_INCREMENT 0x00
|
|
#define B_8237_DMA_CHMODE_AE 0x10
|
|
#define V_8237_DMA_CHMODE_VERIFY 0
|
|
#define V_8237_DMA_CHMODE_IO2MEM 0x04
|
|
#define V_8237_DMA_CHMODE_MEM2IO 0x08
|
|
|
|
#define R_8237_DMA_CBPR_CH0_3 0x0c
|
|
#define R_8237_DMA_CBPR_CH4_7 0xd8
|
|
|
|
#define R_8237_DMA_MCR_CH0_3 0x0d
|
|
#define R_8237_DMA_MCR_CH4_7 0xda
|
|
|
|
#define R_8237_DMA_CLMSK_CH0_3 0x0e
|
|
#define R_8237_DMA_CLMSK_CH4_7 0xdc
|
|
|
|
#define R_8237_DMA_WRMSK_CH0_3 0x0f
|
|
#define R_8237_DMA_WRMSK_CH4_7 0xde
|
|
|
|
typedef enum {
|
|
IsaAccessTypeUnknown,
|
|
IsaAccessTypeIo,
|
|
IsaAccessTypeMem,
|
|
IsaAccessTypeMaxType
|
|
} ISA_ACCESS_TYPE;
|
|
|
|
//
|
|
// 16 MB Memory Range
|
|
//
|
|
#define ISA_MAX_MEMORY_ADDRESS 0x1000000
|
|
//
|
|
// 64K I/O Range
|
|
//
|
|
#define ISA_MAX_IO_ADDRESS 0x10000
|
|
|
|
typedef struct {
|
|
UINT8 Address;
|
|
UINT8 Page;
|
|
UINT8 Count;
|
|
} EFI_ISA_DMA_REGISTERS;
|
|
|
|
//
|
|
// ISA I/O Device Structure
|
|
//
|
|
#define ISA_IO_DEVICE_SIGNATURE SIGNATURE_32 ('i', 's', 'a', 'i')
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
EFI_HANDLE Handle;
|
|
EFI_ISA_IO_PROTOCOL IsaIo;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
EFI_PCI_IO_PROTOCOL *PciIo;
|
|
} ISA_IO_DEVICE;
|
|
|
|
#define ISA_IO_DEVICE_FROM_ISA_IO_THIS(a) CR (a, ISA_IO_DEVICE, IsaIo, ISA_IO_DEVICE_SIGNATURE)
|
|
|
|
//
|
|
// Mapping structure for performing ISA DMA to a buffer above 16 MB
|
|
//
|
|
typedef struct {
|
|
EFI_ISA_IO_PROTOCOL_OPERATION Operation;
|
|
UINTN NumberOfBytes;
|
|
UINTN NumberOfPages;
|
|
EFI_PHYSICAL_ADDRESS HostAddress;
|
|
EFI_PHYSICAL_ADDRESS MappedHostAddress;
|
|
} ISA_MAP_INFO;
|
|
|
|
//
|
|
// EFI Driver Binding Protocol Interface Functions
|
|
//
|
|
|
|
/**
|
|
Tests to see if a controller can be managed by the ISA Bus Driver. If a child device is provided,
|
|
it further tests to see if this driver supports creating a handle for the specified child device.
|
|
|
|
Note that the ISA Bus driver always creates all of its child handles on the first call to Start().
|
|
How the Start() function of a driver is implemented can affect how the Supported() function is implemented.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] Controller The handle of the controller to test.
|
|
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path.
|
|
|
|
@retval EFI_SUCCESS The device is supported by this driver.
|
|
@retval EFI_ALREADY_STARTED The device is already being managed by this driver.
|
|
@retval EFI_ACCESS_DENIED The device is already being managed by a different driver
|
|
or an application that requires exclusive access.
|
|
@retval EFI_UNSUPPORTED The device is is not supported by this driver.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IsaBusControllerDriverSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Start this driver on ControllerHandle.
|
|
|
|
Note that the ISA Bus driver always creates all of its child handles on the first call to Start().
|
|
The Start() function is designed to be invoked from the EFI boot service ConnectController().
|
|
As a result, much of the error checking on the parameters to Start() has been moved into this
|
|
common boot service. It is legal to call Start() from other locations, but the following calling
|
|
restrictions must be followed or the system behavior will not be deterministic.
|
|
1. ControllerHandle must be a valid EFI_HANDLE.
|
|
2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
|
|
EFI_DEVICE_PATH_PROTOCOL.
|
|
3. Prior to calling Start(), the Supported() function for the driver specified by This must
|
|
have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle The handle of the controller to start. This handle
|
|
must support a protocol interface that supplies
|
|
an I/O abstraction to the driver.
|
|
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path.
|
|
This parameter is ignored by device drivers, and is optional for bus drivers.
|
|
|
|
@retval EFI_SUCCESS The device was started.
|
|
@retval EFI_DEVICE_ERROR The device could not be started due to a device error.
|
|
Currently not implemented.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
|
@retval Others The driver failded to start the device.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IsaBusControllerDriverStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Stop this driver on ControllerHandle.
|
|
|
|
The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
|
|
As a result, much of the error checking on the parameters to Stop() has been moved
|
|
into this common boot service. It is legal to call Stop() from other locations,
|
|
but the following calling restrictions must be followed or the system behavior will not be deterministic.
|
|
1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
|
|
same driver's Start() function.
|
|
2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
|
|
EFI_HANDLE. In addition, all of these handles must have been created in this driver's
|
|
Start() function, and the Start() function must have called OpenProtocol() on
|
|
ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
|
|
|
|
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] ControllerHandle A handle to the device being stopped. The handle must
|
|
support a bus specific I/O protocol for the driver
|
|
to use to stop the device.
|
|
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
|
|
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
|
|
if NumberOfChildren is 0.
|
|
|
|
@retval EFI_SUCCESS The device was stopped.
|
|
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IsaBusControllerDriverStop (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL * This,
|
|
IN EFI_HANDLE Controller,
|
|
IN UINTN NumberOfChildren,
|
|
IN EFI_HANDLE * ChildHandleBuffer OPTIONAL
|
|
);
|
|
|
|
//
|
|
// Function Prototypes
|
|
//
|
|
|
|
/**
|
|
Create EFI Handle for a ISA device found via ISA ACPI Protocol
|
|
|
|
@param[in] This The EFI_DRIVER_BINDING_PROTOCOL instance.
|
|
@param[in] Controller The handle of ISA bus controller(PCI to ISA bridge)
|
|
@param[in] PciIo The Pointer to the PCI protocol
|
|
@param[in] ParentDevicePath Device path of the ISA bus controller
|
|
@param[in] IsaDeviceResourceList The resource list of the ISA device
|
|
@param[out] ChildDevicePath The pointer to the child device.
|
|
|
|
@retval EFI_SUCCESS The handle for the child device was created.
|
|
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
|
@retval EFI_DEVICE_ERROR The handle for the child device can not be created.
|
|
**/
|
|
EFI_STATUS
|
|
IsaCreateDevice (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_PCI_IO_PROTOCOL *PciIo,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
|
|
IN EFI_ISA_ACPI_RESOURCE_LIST *IsaDeviceResourceList,
|
|
OUT EFI_DEVICE_PATH_PROTOCOL **ChildDevicePath
|
|
);
|
|
|
|
/**
|
|
Initializes an ISA I/O Instance
|
|
|
|
@param[in] IsaIoDevice The iso device to be initialized.
|
|
@param[in] IsaDeviceResourceList The resource list.
|
|
|
|
**/
|
|
VOID
|
|
InitializeIsaIoInstance (
|
|
IN ISA_IO_DEVICE *IsaIoDevice,
|
|
IN EFI_ISA_ACPI_RESOURCE_LIST *IsaDevice
|
|
);
|
|
|
|
#endif
|
|
|