sdhc.h File Reference

SD Host Controller public API header file. More...

#include <errno.h>
#include <zephyr/device.h>
#include <zephyr/sd/sd_spec.h>
#include <zephyr/syscalls/sdhc.h>

Go to the source code of this file.

Data Structures
struct	sdhc_command
	SD host controller command structure. More...
struct	sdhc_data
	SD host controller data structure. More...
struct	sdhc_host_caps
	SD host controller capabilities. More...
struct	sdhc_io
	SD host controller I/O control structure. More...
struct	sdhc_host_props
	SD host controller properties. More...
struct	sdhc_driver_api

Macros
#define	SDHC_NATIVE_RESPONSE_MASK   0xF
#define	SDHC_SPI_RESPONSE_TYPE_MASK   0xF0
SD command timeouts
#define	SDHC_TIMEOUT_FOREVER   (-1)

Typedefs
typedef void(*	sdhc_interrupt_cb_t) (const struct device *dev, int reason, const void *user_data)
	SDHC card interrupt callback prototype.

Enumerations
enum	sdhc_bus_mode { SDHC_BUSMODE_OPENDRAIN = 1 , SDHC_BUSMODE_PUSHPULL = 2 }
	SD bus mode. More...
enum	sdhc_power { SDHC_POWER_OFF = 1 , SDHC_POWER_ON = 2 }
	SD host controller power. More...
enum	sdhc_bus_width { SDHC_BUS_WIDTH1BIT = 1U , SDHC_BUS_WIDTH4BIT = 4U , SDHC_BUS_WIDTH8BIT = 8U }
	SD host controller bus width. More...
enum	sdhc_timing_mode {   SDHC_TIMING_LEGACY = 1U , SDHC_TIMING_HS = 2U , SDHC_TIMING_SDR12 = 3U , SDHC_TIMING_SDR25 = 4U ,   SDHC_TIMING_SDR50 = 5U , SDHC_TIMING_SDR104 = 6U , SDHC_TIMING_DDR50 = 7U , SDHC_TIMING_DDR52 = 8U ,   SDHC_TIMING_HS200 = 9U , SDHC_TIMING_HS400 = 10U }
	SD host controller timing mode. More...
enum	sd_voltage { SD_VOL_3_3_V = 1U , SD_VOL_3_0_V = 2U , SD_VOL_1_8_V = 3U , SD_VOL_1_2_V = 4U }
	SD voltage. More...
enum	sdhc_interrupt_source { SDHC_INT_SDIO = BIT(0) , SDHC_INT_INSERTED = BIT(1) , SDHC_INT_REMOVED = BIT(2) }
	SD host controller interrupt sources. More...

Functions
int	sdhc_hw_reset (const struct device *dev)
	reset SDHC controller state
int	sdhc_request (const struct device *dev, struct sdhc_command *cmd, struct sdhc_data *data)
	Send command to SDHC.
int	sdhc_set_io (const struct device *dev, struct sdhc_io *io)
	set I/O properties of SDHC
int	sdhc_card_present (const struct device *dev)
	check for SDHC card presence
int	sdhc_execute_tuning (const struct device *dev)
	run SDHC tuning
int	sdhc_card_busy (const struct device *dev)
	check if SD card is busy
int	sdhc_get_host_props (const struct device *dev, struct sdhc_host_props *props)
	Get SD host controller properties.
int	sdhc_enable_interrupt (const struct device *dev, sdhc_interrupt_cb_t callback, int sources, void *user_data)
	Enable SDHC interrupt sources.
int	sdhc_disable_interrupt (const struct device *dev, int sources)
	Disable SDHC interrupt sources.

Detailed Description

SD Host Controller public API header file.