/* * Copyright 2022 NXP * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_SUBSYS_SD_SD_OPS_H_ #define ZEPHYR_SUBSYS_SD_SD_OPS_H_ /* * Switches voltage of SD card to 1.8V, as described by * "Signal voltage switch procedure" in section 3.6.1 of SD host controller specification. */ int sdmmc_switch_voltage(struct sd_card *card); /* * Reads card identification register, and decodes it */ int card_read_cid(struct sd_card *card); /* * Read card specific data register */ int sdmmc_read_csd(struct sd_card *card); /* * Requests card to publish a new relative card address, and move from * identification to data mode */ int sdmmc_request_rca(struct sd_card *card); /* * Selects card, moving it into data transfer mode */ int sdmmc_select_card(struct sd_card *card); /* Returns 1 if host supports UHS, zero otherwise */ static inline int sdmmc_host_uhs(struct sdhc_host_props *props) { return (props->host_caps.sdr50_support | props->host_caps.uhs_2_support | props->host_caps.sdr104_support | props->host_caps.ddr50_support) & (props->host_caps.vol_180_support); } int card_ioctl(struct sd_card *card, uint8_t cmd, void *buf); int card_read_blocks(struct sd_card *card, uint8_t *rbuf, uint32_t start_block, uint32_t num_blocks); int card_write_blocks(struct sd_card *card, const uint8_t *wbuf, uint32_t start_block, uint32_t num_blocks); int card_app_command(struct sd_card *card, int relative_card_address); int sdmmc_read_status(struct sd_card *card); int sdmmc_wait_ready(struct sd_card *card); #endif /* ZEPHYR_SUBSYS_SD_SD_OPS_H_ */