316 lines
11 KiB
C
316 lines
11 KiB
C
/*
|
|
* Copyright (c) 2015, Freescale Semiconductor, Inc.
|
|
* Copyright 2016-2018 NXP
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef _FSL_SD_H_
|
|
#define _FSL_SD_H_
|
|
|
|
#include "fsl_sdmmc_common.h"
|
|
/*!
|
|
* @addtogroup SDCARD
|
|
* @{
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
* Definitions
|
|
******************************************************************************/
|
|
/*! @brief SD card flags */
|
|
enum _sd_card_flag
|
|
{
|
|
kSD_SupportHighCapacityFlag = (1U << 1U), /*!< Support high capacity */
|
|
kSD_Support4BitWidthFlag = (1U << 2U), /*!< Support 4-bit data width */
|
|
kSD_SupportSdhcFlag = (1U << 3U), /*!< Card is SDHC */
|
|
kSD_SupportSdxcFlag = (1U << 4U), /*!< Card is SDXC */
|
|
kSD_SupportVoltage180v = (1U << 5U), /*!< card support 1.8v voltage*/
|
|
kSD_SupportSetBlockCountCmd = (1U << 6U), /*!< card support cmd23 flag*/
|
|
kSD_SupportSpeedClassControlCmd = (1U << 7U), /*!< card support speed class control flag */
|
|
};
|
|
|
|
/*!
|
|
* @brief SD card state
|
|
*
|
|
* Define the card structure including the necessary fields to identify and describe the card.
|
|
*/
|
|
typedef struct _sd_card
|
|
{
|
|
SDMMCHOST_CONFIG host; /*!< Host information */
|
|
|
|
sdcard_usr_param_t usrParam; /*!< user parameter */
|
|
bool isHostReady; /*!< use this flag to indicate if need host re-init or not*/
|
|
bool noInteralAlign; /*!< use this flag to disable sdmmc align. If disable, sdmmc will not make sure the
|
|
data buffer address is word align, otherwise all the transfer are align to low level driver */
|
|
uint32_t busClock_Hz; /*!< SD bus clock frequency united in Hz */
|
|
uint32_t relativeAddress; /*!< Relative address of the card */
|
|
uint32_t version; /*!< Card version */
|
|
uint32_t flags; /*!< Flags in _sd_card_flag */
|
|
uint32_t rawCid[4U]; /*!< Raw CID content */
|
|
uint32_t rawCsd[4U]; /*!< Raw CSD content */
|
|
uint32_t rawScr[2U]; /*!< Raw CSD content */
|
|
uint32_t ocr; /*!< Raw OCR content */
|
|
sd_cid_t cid; /*!< CID */
|
|
sd_csd_t csd; /*!< CSD */
|
|
sd_scr_t scr; /*!< SCR */
|
|
sd_status_t stat; /*!< sd 512 bit status */
|
|
uint32_t blockCount; /*!< Card total block number */
|
|
uint32_t blockSize; /*!< Card block size */
|
|
sd_timing_mode_t currentTiming; /*!< current timing mode */
|
|
sd_driver_strength_t driverStrength; /*!< driver strength */
|
|
sd_max_current_t maxCurrent; /*!< card current limit */
|
|
sdmmc_operation_voltage_t operationVoltage; /*!< card operation voltage */
|
|
} sd_card_t;
|
|
|
|
/*************************************************************************************************
|
|
* API
|
|
************************************************************************************************/
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*!
|
|
* @name SDCARD Function
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* @brief Initializes the card on a specific host controller.
|
|
* @deprecated Do not use this function. It has been superceded by @ref SD_HostInit,SD_CardInit.
|
|
|
|
* This function initializes the card on a specific host controller, it is consist of
|
|
* host init, card detect, card init function, however user can ignore this high level function,
|
|
* instead of use the low level function, such as SD_CardInit, SD_HostInit, SD_CardDetect.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @retval kStatus_SDMMC_HostNotReady host is not ready.
|
|
* @retval kStatus_SDMMC_GoIdleFailed Go idle failed.
|
|
* @retval kStatus_SDMMC_NotSupportYet Card not support.
|
|
* @retval kStatus_SDMMC_SendOperationConditionFailed Send operation condition failed.
|
|
* @retval kStatus_SDMMC_AllSendCidFailed Send CID failed.
|
|
* @retval kStatus_SDMMC_SendRelativeAddressFailed Send relative address failed.
|
|
* @retval kStatus_SDMMC_SendCsdFailed Send CSD failed.
|
|
* @retval kStatus_SDMMC_SelectCardFailed Send SELECT_CARD command failed.
|
|
* @retval kStatus_SDMMC_SendScrFailed Send SCR failed.
|
|
* @retval kStatus_SDMMC_SetBusWidthFailed Set bus width failed.
|
|
* @retval kStatus_SDMMC_SwitchHighSpeedFailed Switch high speed failed.
|
|
* @retval kStatus_SDMMC_SetCardBlockSizeFailed Set card block size failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_Init(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Deinitializes the card.
|
|
* @deprecated Do not use this function. It has been superceded by @ref SD_HostDeinit,SD_CardDeinit.
|
|
* This function deinitializes the specific card and host.
|
|
*
|
|
* @param card Card descriptor.
|
|
*/
|
|
void SD_Deinit(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Initializes the card.
|
|
*
|
|
* This function initializes the card only, make sure the host is ready when call this function,
|
|
* otherwise it will return kStatus_SDMMC_HostNotReady.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @retval kStatus_SDMMC_HostNotReady host is not ready.
|
|
* @retval kStatus_SDMMC_GoIdleFailed Go idle failed.
|
|
* @retval kStatus_SDMMC_NotSupportYet Card not support.
|
|
* @retval kStatus_SDMMC_SendOperationConditionFailed Send operation condition failed.
|
|
* @retval kStatus_SDMMC_AllSendCidFailed Send CID failed.
|
|
* @retval kStatus_SDMMC_SendRelativeAddressFailed Send relative address failed.
|
|
* @retval kStatus_SDMMC_SendCsdFailed Send CSD failed.
|
|
* @retval kStatus_SDMMC_SelectCardFailed Send SELECT_CARD command failed.
|
|
* @retval kStatus_SDMMC_SendScrFailed Send SCR failed.
|
|
* @retval kStatus_SDMMC_SetBusWidthFailed Set bus width failed.
|
|
* @retval kStatus_SDMMC_SwitchHighSpeedFailed Switch high speed failed.
|
|
* @retval kStatus_SDMMC_SetCardBlockSizeFailed Set card block size failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_CardInit(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Deinitializes the card.
|
|
*
|
|
* This function deinitializes the specific card.
|
|
*
|
|
* @param card Card descriptor.
|
|
*/
|
|
void SD_CardDeinit(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief initialize the host.
|
|
*
|
|
* This function deinitializes the specific host.
|
|
*
|
|
* @param card Card descriptor.
|
|
*/
|
|
status_t SD_HostInit(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Deinitializes the host.
|
|
*
|
|
* This function deinitializes the host.
|
|
*
|
|
* @param card Card descriptor.
|
|
*/
|
|
void SD_HostDeinit(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief reset the host.
|
|
*
|
|
* This function reset the specific host.
|
|
*
|
|
* @param host host descriptor.
|
|
*/
|
|
void SD_HostReset(SDMMCHOST_CONFIG *host);
|
|
|
|
/*!
|
|
* @brief power on card.
|
|
*
|
|
* The power on operation depend on host or the user define power on function.
|
|
* @param base host base address.
|
|
* @param pwr user define power control configuration
|
|
*/
|
|
void SD_PowerOnCard(SDMMCHOST_TYPE *base, const sdmmchost_pwr_card_t *pwr);
|
|
|
|
/*!
|
|
* @brief power off card.
|
|
*
|
|
* The power off operation depend on host or the user define power on function.
|
|
* @param base host base address.
|
|
* @param pwr user define power control configuration
|
|
*/
|
|
void SD_PowerOffCard(SDMMCHOST_TYPE *base, const sdmmchost_pwr_card_t *pwr);
|
|
|
|
/*!
|
|
* @brief sd wait card detect function.
|
|
*
|
|
* Detect card through GPIO, CD, DATA3.
|
|
*
|
|
* @param card card descriptor.
|
|
* @param card detect configuration
|
|
* @param waitCardStatus wait card detect status
|
|
*/
|
|
status_t SD_WaitCardDetectStatus(SDMMCHOST_TYPE *hostBase, const sdmmchost_detect_card_t *cd, bool waitCardStatus);
|
|
|
|
/*!
|
|
* @brief sd card present check function.
|
|
*
|
|
* @param card card descriptor.
|
|
*/
|
|
bool SD_IsCardPresent(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Checks whether the card is write-protected.
|
|
*
|
|
* This function checks if the card is write-protected via the CSD register.
|
|
*
|
|
* @param card The specific card.
|
|
* @retval true Card is read only.
|
|
* @retval false Card isn't read only.
|
|
*/
|
|
bool SD_CheckReadOnly(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Send SELECT_CARD command to set the card to be transfer state or not.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @param isSelected True to set the card into transfer state, false to disselect.
|
|
* @retval kStatus_SDMMC_TransferFailed Transfer failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_SelectCard(sd_card_t *card, bool isSelected);
|
|
|
|
/*!
|
|
* @brief Send ACMD13 to get the card current status.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @retval kStatus_SDMMC_TransferFailed Transfer failed.
|
|
* @retval kStatus_SDMMC_SendApplicationCommandFailed send application command failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_ReadStatus(sd_card_t *card);
|
|
|
|
/*!
|
|
* @brief Reads blocks from the specific card.
|
|
*
|
|
* This function reads blocks from the specific card with default block size defined by the
|
|
* SDHC_CARD_DEFAULT_BLOCK_SIZE.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @param buffer The buffer to save the data read from card.
|
|
* @param startBlock The start block index.
|
|
* @param blockCount The number of blocks to read.
|
|
* @retval kStatus_InvalidArgument Invalid argument.
|
|
* @retval kStatus_SDMMC_CardNotSupport Card not support.
|
|
* @retval kStatus_SDMMC_NotSupportYet Not support now.
|
|
* @retval kStatus_SDMMC_WaitWriteCompleteFailed Send status failed.
|
|
* @retval kStatus_SDMMC_TransferFailed Transfer failed.
|
|
* @retval kStatus_SDMMC_StopTransmissionFailed Stop transmission failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_ReadBlocks(sd_card_t *card, uint8_t *buffer, uint32_t startBlock, uint32_t blockCount);
|
|
|
|
/*!
|
|
* @brief Writes blocks of data to the specific card.
|
|
*
|
|
* This function writes blocks to the specific card with default block size 512 bytes.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @param buffer The buffer holding the data to be written to the card.
|
|
* @param startBlock The start block index.
|
|
* @param blockCount The number of blocks to write.
|
|
* @retval kStatus_InvalidArgument Invalid argument.
|
|
* @retval kStatus_SDMMC_NotSupportYet Not support now.
|
|
* @retval kStatus_SDMMC_CardNotSupport Card not support.
|
|
* @retval kStatus_SDMMC_WaitWriteCompleteFailed Send status failed.
|
|
* @retval kStatus_SDMMC_TransferFailed Transfer failed.
|
|
* @retval kStatus_SDMMC_StopTransmissionFailed Stop transmission failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_WriteBlocks(sd_card_t *card, const uint8_t *buffer, uint32_t startBlock, uint32_t blockCount);
|
|
|
|
/*!
|
|
* @brief Erases blocks of the specific card.
|
|
*
|
|
* This function erases blocks of the specific card with default block size 512 bytes.
|
|
*
|
|
* @param card Card descriptor.
|
|
* @param startBlock The start block index.
|
|
* @param blockCount The number of blocks to erase.
|
|
* @retval kStatus_InvalidArgument Invalid argument.
|
|
* @retval kStatus_SDMMC_WaitWriteCompleteFailed Send status failed.
|
|
* @retval kStatus_SDMMC_TransferFailed Transfer failed.
|
|
* @retval kStatus_SDMMC_WaitWriteCompleteFailed Send status failed.
|
|
* @retval kStatus_Success Operate successfully.
|
|
*/
|
|
status_t SD_EraseBlocks(sd_card_t *card, uint32_t startBlock, uint32_t blockCount);
|
|
|
|
/*!
|
|
* @brief select card driver strength
|
|
* select card driver strength
|
|
* @param card Card descriptor.
|
|
* @param driverStrength Driver strength
|
|
*/
|
|
status_t SD_SetDriverStrength(sd_card_t *card, sd_driver_strength_t driverStrength);
|
|
|
|
/*!
|
|
* @brief select max current
|
|
* select max operation current
|
|
* @param card Card descriptor.
|
|
* @param maxCurrent Max current
|
|
*/
|
|
status_t SD_SetMaxCurrent(sd_card_t *card, sd_max_current_t maxCurrent);
|
|
|
|
/* @} */
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
/*! @} */
|
|
#endif /* _FSL_SD_H_*/
|