Overview

Data Structures
struct	sdmmchost_cmd_t
	sdmmc host command structure definition More...

struct	sdmmchost_data_t
	sdmmc host data structure definition More...

struct	sdmmchost_transfer_t
	sdmmc host data structure definition More...

struct	sdmmchost_t
	sdmmc host handler More...

Macros
#define	FSL_SDMMC_HOST_ADAPTER_VERSION (MAKE_VERSION(2U, 0U, 0U)) /2.0.0/
	Middleware adapter version. More...

#define	SDMMCHOST_SUPPORT_HIGH_SPEED (1U)
	host capability

#define	SDMMCHOST_INSTANCE_SUPPORT_8_BIT_WIDTH(host) 0U
	sdmmc host instance capability

#define	SDMMCHOST_DMA_DESCRIPTOR_BUFFER_ALIGN_SIZE 1U
	SDMMC host dma descriptor buffer address align size.

Enumerations
enum	_sdmmchost_endian_mode { kSDMMCHOST_EndianModeBig = 0U, kSDMMCHOST_EndianModeHalfWordBig = 1U, kSDMMCHOST_EndianModeLittle = 2U }
	host Endian mode corresponding to driver define More...

enum	{ kCARD_ResponseTypeNone = 0U, kCARD_ResponseTypeR1 = 1U, kCARD_ResponseTypeR1b = 2U, kCARD_ResponseTypeR2 = 3U, kCARD_ResponseTypeR3 = 4U, kCARD_ResponseTypeR4 = 5U, kCARD_ResponseTypeR5 = 6U, kCARD_ResponseTypeR5b = 7U, kCARD_ResponseTypeR6 = 8U, kCARD_ResponseTypeR7 = 9U }
	The command response type. More...

SDIOC host controller function
void	SDMMCHOST_SetCardBusWidth (sdmmchost_t *host, uint32_t dataBusWidth)
	set data bus width. More...

static void	SDMMCHOST_SendCardActive (sdmmchost_t *host)
	Send initilization active 80 clocks to card. More...

uint32_t	SDMMCHOST_SetCardClock (sdmmchost_t *host, uint32_t targetClock)
	Set card bus clock. More...

static bool	SDMMCHOST_IsCardBusy (sdmmchost_t *host)
	check card status by DATA0. More...

static void	SDMMCHOST_EnableCardInt (sdmmchost_t *host, bool enable)
	enable card interrupt. More...

status_t	SDMMCHOST_CardIntInit (sdmmchost_t host, void sdioInt)
	card interrupt function. More...

status_t	SDMMCHOST_CardDetectInit (sdmmchost_t host, void cd)
	card detect init function. More...

status_t	SDMMCHOST_PollingCardDetectStatus (sdmmchost_t *host, uint32_t waitCardStatus, uint32_t timeout)
	Detect card insert, only need for SD cases. More...

uint32_t	SDMMCHOST_CardDetectStatus (sdmmchost_t *host)
	card detect status. More...

status_t	SDMMCHOST_Init (sdmmchost_t *host)
	Init host controller. More...

void	SDMMCHOST_Deinit (sdmmchost_t *host)
	Deinit host controller. More...

void	SDMMCHOST_SetCardPower (sdmmchost_t *host, bool enable)
	host power off card function. More...

status_t	SDMMCHOST_TransferFunction (sdmmchost_t host, sdmmchost_transfer_t content)
	host transfer function. More...

void	SDMMCHOST_Reset (sdmmchost_t *host)
	host reset function. More...

Data Structure Documentation

struct sdmmchost_cmd_t

Data Fields
uint32_t	index
	Command index. More...

uint32_t	argument
	Command argument. More...

uint8_t	type
	command type

uint32_t	responseType
	Command response type. More...

uint32_t	responseErrorFlags
	Response error flag, which need to check the command reponse. More...

uint32_t	response [4U]
	pointer registered by application to receive command response

Field Documentation

uint32_t sdmmchost_cmd_t::index

uint32_t sdmmchost_cmd_t::argument

uint32_t sdmmchost_cmd_t::responseType

uint32_t sdmmchost_cmd_t::responseErrorFlags

struct sdmmchost_data_t

Data Fields
bool	enableAutoCommand12
	Enable auto CMD12. More...

uint32_t	blockCount
	Block count. More...

uint32_t	blockSize
	Block size. More...

uint32_t *	txData
	Data buffer to write. More...

uint32_t *	rxData
	Buffer to save data read. More...

Field Documentation

bool sdmmchost_data_t::enableAutoCommand12

uint32_t sdmmchost_data_t::blockCount

uint32_t sdmmchost_data_t::blockSize

uint32_t* sdmmchost_data_t::txData

uint32_t* sdmmchost_data_t::rxData

struct sdmmchost_transfer_t

struct sdmmchost_t

Data Fields
SDIOC_Type *	base
	host controller base address

uint32_t	sourceClock_HZ
	host controller source clock

uint32_t	endianMode
	host endian mode

sdioc_handle_t	handle
	host controller handler

sdmmc_osa_event_t	hostEvent
	host event handler

void *	cd
	card detect

void *	cardInt
	call back function for card interrupt

Macro Definition Documentation

#define FSL_SDMMC_HOST_ADAPTER_VERSION (MAKE_VERSION(2U, 0U, 0U)) /*2.0.0*/

Enumeration Type Documentation

enum _sdmmchost_endian_mode

Enumerator
kSDMMCHOST_EndianModeBig	Big endian mode.
kSDMMCHOST_EndianModeHalfWordBig	Half word big endian mode.
kSDMMCHOST_EndianModeLittle	Little endian mode.

anonymous enum

Defines the command response type from card to host controller.

Enumerator
kCARD_ResponseTypeNone	Response type: none.
kCARD_ResponseTypeR1	Response type: R1.
kCARD_ResponseTypeR1b	Response type: R1b.
kCARD_ResponseTypeR2	Response type: R2.
kCARD_ResponseTypeR3	Response type: R3.
kCARD_ResponseTypeR4	Response type: R4.
kCARD_ResponseTypeR5	Response type: R5.
kCARD_ResponseTypeR5b	Response type: R5b.
kCARD_ResponseTypeR6	Response type: R6.
kCARD_ResponseTypeR7	Response type: R7.

Function Documentation

void SDMMCHOST_SetCardBusWidth	(	sdmmchost_t *	host,
		uint32_t	dataBusWidth
	)

Parameters

host	host handler
dataBusWidth	data bus width

static void SDMMCHOST_SendCardActive ( sdmmchost_t * host )

inlinestatic

Parameters

host	host handler

uint32_t SDMMCHOST_SetCardClock	(	sdmmchost_t *	host,
		uint32_t	targetClock
	)

Parameters

host	host handler
targetClock	target clock frequency

Return values

actual clock frequency can be reach.

static bool SDMMCHOST_IsCardBusy ( sdmmchost_t * host )

inlinestatic

Parameters

host	host handler

Return values

true	is busy, false is idle.

static void SDMMCHOST_EnableCardInt	(	sdmmchost_t *	host,
		bool	enable
	)

inlinestatic

Parameters

host	host handler
enable	true is enable, false is disable.

status_t SDMMCHOST_CardIntInit	(	sdmmchost_t *	host,
		void *	sdioInt
	)

Parameters

host	host handler
sdioInt	card interrupt configuration

status_t SDMMCHOST_CardDetectInit	(	sdmmchost_t *	host,
		void *	cd
	)

Parameters

host	host handler
cd	card detect configuration

status_t SDMMCHOST_PollingCardDetectStatus	(	sdmmchost_t *	host,
		uint32_t	waitCardStatus,
		uint32_t	timeout
	)

Parameters

host	host handler
waitCardStatus	status which user want to wait
timeout	wait time out.

Return values

kStatus_Success	detect card insert
kStatus_Fail	card insert event fail

uint32_t SDMMCHOST_CardDetectStatus ( sdmmchost_t * host )

Parameters

host	host handler

Return values

kSD_Inserted,kSD_Removed

status_t SDMMCHOST_Init ( sdmmchost_t * host )

Parameters

host	host handler

Return values

kStatus_Success	host init success
kStatus_Fail	event fail

void SDMMCHOST_Deinit ( sdmmchost_t * host )

Parameters

host	host handler

void SDMMCHOST_SetCardPower	(	sdmmchost_t *	host,
		bool	enable
	)

Parameters

host	host handler
enable	true is power on, false is power down.

status_t SDMMCHOST_TransferFunction	(	sdmmchost_t *	host,
		sdmmchost_transfer_t *	content
	)

Parameters

host	host handler
content	transfer content.

void SDMMCHOST_Reset ( sdmmchost_t * host )

Parameters

host	host handler

Overview

Data Structures

Macros

Enumerations

SDIOC host controller function

Data Structure Documentation

Data Fields

Field Documentation

Data Fields

Field Documentation

Data Fields

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation