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/** @file
The definition for SD host controller driver model and HC protocol routines.
Copyright (c) 2013-2015 Intel Corporation.
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 _SD_CONTROLLER_H_
#define _SD_CONTROLLER_H_
#include <Uefi.h>
#include <Protocol/PciIo.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Pci22.h>
#include "ComponentName.h"
#include "SDHostIo.h"
extern EFI_DRIVER_BINDING_PROTOCOL gSDControllerDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gSDControllerName;
extern EFI_COMPONENT_NAME2_PROTOCOL gSDControllerName2;
#define SDHOST_DATA_SIGNATURE SIGNATURE_32 ('s', 'd', 'h', 's')
#define BLOCK_SIZE 0x200
#define TIME_OUT_1S 1000
#pragma pack(1)
//
// PCI Class Code structure
//
typedef struct {
UINT8 PI;
UINT8 SubClassCode;
UINT8 BaseCode;
} PCI_CLASSC;
#pragma pack()
typedef struct {
UINTN Signature;
EFI_SD_HOST_IO_PROTOCOL SDHostIo;
EFI_PCI_IO_PROTOCOL *PciIo;
BOOLEAN IsAutoStopCmd;
UINT32 BaseClockInMHz;
UINT32 CurrentClockInKHz;
UINT32 BlockLength;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
}SDHOST_DATA;
#define SDHOST_DATA_FROM_THIS(a) \
CR(a, SDHOST_DATA, SDHostIo, SDHOST_DATA_SIGNATURE)
/**
Test to see if this driver supports ControllerHandle. Any
ControllerHandle that has SDHostIoProtocol installed will be supported.
@param This Protocol instance pointer.
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@return EFI_SUCCESS This driver supports this device.
@return EFI_UNSUPPORTED This driver does not support this device.
**/
EFI_STATUS
EFIAPI
SDControllerSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Starting the SD Host Controller Driver.
@param This Protocol instance pointer.
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@retval EFI_SUCCESS This driver supports this device.
@retval EFI_UNSUPPORTED This driver does not support this device.
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
EFI_OUT_OF_RESOURCES- Failed due to resource shortage.
**/
EFI_STATUS
EFIAPI
SDControllerStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
@param This Protocol instance pointer.
@param Controller Handle of device to stop driver on.
@param NumberOfChildren Number of Children in the ChildHandleBuffer.
@param ChildHandleBuffer List of handles for the children we need to stop.
@return EFI_SUCCESS
@return others
**/
EFI_STATUS
EFIAPI
SDControllerStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
The main function used to send the command to the card inserted into the SD host slot.
It will assemble the arguments to set the command register and wait for the command
and transfer completed until timeout. Then it will read the response register to fill
the ResponseData.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param CommandIndex The command index to set the command index field of command register.
@param Argument Command argument to set the argument field of command register.
@param DataType TRANSFER_TYPE, indicates no data, data in or data out.
@param Buffer Contains the data read from / write to the device.
@param BufferSize The size of the buffer.
@param ResponseType RESPONSE_TYPE.
@param TimeOut Time out value in 1 ms unit.
@param ResponseData Depending on the ResponseType, such as CSD or card status.
@retval EFI_SUCCESS
@retval EFI_INVALID_PARAMETER
@retval EFI_OUT_OF_RESOURCES
@retval EFI_TIMEOUT
@retval EFI_DEVICE_ERROR
**/
EFI_STATUS
EFIAPI
SendCommand (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN UINT16 CommandIndex,
IN UINT32 Argument,
IN TRANSFER_TYPE DataType,
IN UINT8 *Buffer, OPTIONAL
IN UINT32 BufferSize,
IN RESPONSE_TYPE ResponseType,
IN UINT32 TimeOut,
OUT UINT32 *ResponseData OPTIONAL
);
/**
Set max clock frequency of the host, the actual frequency may not be the same as MaxFrequency.
It depends on the max frequency the host can support, divider, and host speed mode.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param MaxFrequency Max frequency in HZ.
@retval EFI_SUCCESS
@retval EFI_TIMEOUT
**/
EFI_STATUS
EFIAPI
SetClockFrequency (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN UINT32 MaxFrequencyInKHz
);
/**
Set bus width of the host controller
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param BusWidth Bus width in 1, 4, 8 bits.
@retval EFI_SUCCESS
@retval EFI_INVALID_PARAMETER
**/
EFI_STATUS
EFIAPI
SetBusWidth (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN UINT32 BusWidth
);
/**
Set voltage which could supported by the host controller.
Support 0(Power off the host), 1.8V, 3.0V, 3.3V
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param Voltage Units in 0.1 V.
@retval EFI_SUCCESS
@retval EFI_INVALID_PARAMETER
**/
EFI_STATUS
EFIAPI
SetHostVoltage (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN UINT32 Voltage
);
/**
Reset the host controller.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param ResetAll TRUE to reset all.
@retval EFI_SUCCESS
@retval EFI_TIMEOUT
**/
EFI_STATUS
EFIAPI
ResetSDHost (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN RESET_TYPE ResetType
);
/**
Enable auto stop on the host controller.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param Enable TRUE to enable, FALSE to disable.
@retval EFI_SUCCESS
@retval EFI_TIMEOUT
**/
EFI_STATUS
EFIAPI
EnableAutoStopCmd (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN BOOLEAN Enable
);
/**
Find whether these is a card inserted into the slot. If so init the host.
If not, return EFI_NOT_FOUND.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@retval EFI_SUCCESS
@retval EFI_NOT_FOUND
**/
EFI_STATUS
EFIAPI
DetectCardAndInitHost (
IN EFI_SD_HOST_IO_PROTOCOL *This
);
/**
Set the Block length on the host controller.
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param BlockLength card supportes block length.
@retval EFI_SUCCESS
@retval EFI_TIMEOUT
**/
EFI_STATUS
EFIAPI
SetBlockLength (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN UINT32 BlockLength
);
/**
Enable/Disable High Speed transfer mode
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param Enable TRUE to Enable, FALSE to Disable
@return EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
SetHighSpeedMode (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN BOOLEAN Enable
);
EFI_STATUS
EFIAPI
SetDDRMode (
IN EFI_SD_HOST_IO_PROTOCOL *This,
IN BOOLEAN Enable
);
#endif
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