mirror of https://github.com/acidanthera/audk.git
247 lines
8.6 KiB
C
247 lines
8.6 KiB
C
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/** @file
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Private include file for IsaFloppyPei PEIM.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _RECOVERY_FLOPPY_H_
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#define _RECOVERY_FLOPPY_H_
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#include <Ppi/BlockIo.h>
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#include <Library/DebugLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/TimerLib.h>
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#include <Library/IoLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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#include "Fdc.h"
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//
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// Some PC AT Compatible Device definitions
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//
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//
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// 8237 DMA registers
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//
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#define R_8237_DMA_BASE_CA_CH0 0x00
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#define R_8237_DMA_BASE_CA_CH1 0x02
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#define R_8237_DMA_BASE_CA_CH2 0x04
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#define R_8237_DMA_BASE_CA_CH3 0xd6
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#define R_8237_DMA_BASE_CA_CH5 0xc4
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#define R_8237_DMA_BASE_CA_CH6 0xc8
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#define R_8237_DMA_BASE_CA_CH7 0xcc
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#define R_8237_DMA_BASE_CC_CH0 0x01
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#define R_8237_DMA_BASE_CC_CH1 0x03
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#define R_8237_DMA_BASE_CC_CH2 0x05
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#define R_8237_DMA_BASE_CC_CH3 0xd7
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#define R_8237_DMA_BASE_CC_CH5 0xc6
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#define R_8237_DMA_BASE_CC_CH6 0xca
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#define R_8237_DMA_BASE_CC_CH7 0xce
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#define R_8237_DMA_MEM_LP_CH0 0x87
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#define R_8237_DMA_MEM_LP_CH1 0x83
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#define R_8237_DMA_MEM_LP_CH2 0x81
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#define R_8237_DMA_MEM_LP_CH3 0x82
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#define R_8237_DMA_MEM_LP_CH5 0x8B
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#define R_8237_DMA_MEM_LP_CH6 0x89
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#define R_8237_DMA_MEM_LP_CH7 0x8A
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#define R_8237_DMA_COMMAND_CH0_3 0x08
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#define R_8237_DMA_COMMAND_CH4_7 0xd0
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#define B_8237_DMA_COMMAND_GAP 0x10
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#define B_8237_DMA_COMMAND_CGE 0x04
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#define R_8237_DMA_STA_CH0_3 0x09
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#define R_8237_DMA_STA_CH4_7 0xd2
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#define R_8237_DMA_WRSMSK_CH0_3 0x0a
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#define R_8237_DMA_WRSMSK_CH4_7 0xd4
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#define B_8237_DMA_WRSMSK_CMS 0x04
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#define R_8237_DMA_CHMODE_CH0_3 0x0b
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#define R_8237_DMA_CHMODE_CH4_7 0xd6
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#define V_8237_DMA_CHMODE_DEMAND 0x00
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#define V_8237_DMA_CHMODE_SINGLE 0x40
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#define V_8237_DMA_CHMODE_CASCADE 0xc0
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#define B_8237_DMA_CHMODE_DECREMENT 0x20
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#define B_8237_DMA_CHMODE_INCREMENT 0x00
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#define B_8237_DMA_CHMODE_AE 0x10
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#define V_8237_DMA_CHMODE_VERIFY 0
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#define V_8237_DMA_CHMODE_IO2MEM 0x04
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#define V_8237_DMA_CHMODE_MEM2IO 0x08
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#define R_8237_DMA_CBPR_CH0_3 0x0c
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#define R_8237_DMA_CBPR_CH4_7 0xd8
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#define R_8237_DMA_MCR_CH0_3 0x0d
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#define R_8237_DMA_MCR_CH4_7 0xda
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#define R_8237_DMA_CLMSK_CH0_3 0x0e
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#define R_8237_DMA_CLMSK_CH4_7 0xdc
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#define R_8237_DMA_WRMSK_CH0_3 0x0f
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#define R_8237_DMA_WRMSK_CH4_7 0xde
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///
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/// ISA memory range
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///
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#define ISA_MAX_MEMORY_ADDRESS 0x1000000
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//
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// Macro for time delay & interval
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//
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#define STALL_1_SECOND 1000000
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#define STALL_1_MSECOND 1000
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#define FDC_CHECK_INTERVAL 50
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#define FDC_SHORT_DELAY 50
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#define FDC_MEDIUM_DELAY 100
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#define FDC_LONG_DELAY 4000
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#define FDC_RESET_DELAY 2000
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#define FDC_RECALIBRATE_DELAY 250000
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typedef enum {
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FdcType360K360K = 0,
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FdcType360K1200K,
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FdcType1200K1200K,
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FdcType720K720K,
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FdcType720K1440K,
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FdcType1440K1440K,
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FdcType720K2880K,
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FdcType1440K2880K,
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FdcType2880K2880K
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} FDC_DISKET_TYPE;
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typedef struct {
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UINT8 Register;
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UINT8 Value;
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} PEI_DMA_TABLE;
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typedef struct {
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UINT8 DevPos;
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UINT8 Pcn;
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BOOLEAN MotorOn;
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BOOLEAN NeedRecalibrate;
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FDC_DISKET_TYPE Type;
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EFI_PEI_BLOCK_IO_MEDIA MediaInfo;
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} PEI_FLOPPY_DEVICE_INFO;
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#define FDC_BLK_IO_DEV_SIGNATURE SIGNATURE_32 ('F', 'b', 'i', 'o')
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typedef struct {
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UINTN Signature;
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EFI_PEI_RECOVERY_BLOCK_IO_PPI FdcBlkIo;
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EFI_PEI_PPI_DESCRIPTOR PpiDescriptor;
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UINTN DeviceCount;
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PEI_FLOPPY_DEVICE_INFO DeviceInfo[2];
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} FDC_BLK_IO_DEV;
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#define PEI_RECOVERY_FDC_FROM_BLKIO_THIS(a) CR (a, FDC_BLK_IO_DEV, FdcBlkIo, FDC_BLK_IO_DEV_SIGNATURE)
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//
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// PEI Recovery Block I/O PPI
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//
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/**
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Get the number of FDC devices.
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This function implements EFI_PEI_RECOVERY_BLOCK_IO_PPI.GetNumberOfBlockDevices.
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It get the number of FDC devices in the system.
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@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
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@param This Pointer to this PPI instance.
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@param NumberBlockDevices Pointer to the the number of FDC devices for output.
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@retval EFI_SUCCESS Number of FDC devices is retrieved successfully.
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@retval EFI_INVALID_PARAMETER Parameter This is NULL.
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**/
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EFI_STATUS
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EFIAPI
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FdcGetNumberOfBlockDevices (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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OUT UINTN *NumberBlockDevices
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);
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/**
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Get the specified media information.
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This function implements EFI_PEI_RECOVERY_BLOCK_IO_PPI.GetBlockDeviceMediaInfo.
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It gets the specified media information.
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@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
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@param This Pointer to this PPI instance.
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@param DeviceIndex Index of FDC device to get information.
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@param MediaInfo Pointer to the media info buffer for output.
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@retval EFI_SUCCESS Number of FDC devices is retrieved successfully.
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@retval EFI_INVALID_PARAMETER Parameter This is NULL.
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@retval EFI_INVALID_PARAMETER Parameter MediaInfo is NULL.
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@retval EFI_INVALID_PARAMETER DeviceIndex is not valid.
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@retval EFI_DEVICE_ERROR FDC device does not exist or has errors.
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**/
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EFI_STATUS
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EFIAPI
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FdcGetBlockDeviceMediaInfo (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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IN UINTN DeviceIndex,
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OUT EFI_PEI_BLOCK_IO_MEDIA *MediaInfo
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);
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/**
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Get the requested number of blocks from the specified FDC device.
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This function implements EFI_PEI_RECOVERY_BLOCK_IO_PPI.ReadBlocks.
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It reads the requested number of blocks from the specified FDC device.
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@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
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@param This Pointer to this PPI instance.
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@param DeviceIndex Index of FDC device to get information.
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@param StartLba The start LBA to read from.
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@param BufferSize The size of range to read.
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@param Buffer Buffer to hold the data read from FDC.
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@retval EFI_SUCCESS Number of FDC devices is retrieved successfully.
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@retval EFI_INVALID_PARAMETER Parameter This is NULL.
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@retval EFI_INVALID_PARAMETER Parameter Buffer is NULL.
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@retval EFI_INVALID_PARAMETER Parameter BufferSize cannot be divided by block size of FDC device.
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@retval EFI_NO_MEDIA No media present.
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@retval EFI_DEVICE_ERROR FDC device has error.
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@retval Others Fail to read blocks.
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**/
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EFI_STATUS
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EFIAPI
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FdcReadBlocks (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
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IN UINTN DeviceIndex,
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IN EFI_PEI_LBA StartLba,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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#endif
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