tbm-mcu/include/spi.h

#pragma once

struct spi_dev;

struct spi_ops {
	int (* set_cs_level)(struct spi_dev *dev, int level);
	int (* tx_rx)(struct spi_dev *dev, void *rx_buf, size_t rx_len,
		const void *tx_buf, size_t tx_len);
};

struct spi_dev {
	struct spi_ops *ops;
	uint32_t dev_id;
};

struct spi_dev *spi_probe(void);
void spi_release(struct spi_dev *dev);
int spi_tx_rx(struct spi_dev *dev, void *rx_buf, size_t rx_len,
	const void *tx_buf, size_t tx_len);