Zephyr API Documentation 3.7.99
A Scalable Open Source RTOS
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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. | |
SD Host Controller public API header file.