freebsd-dev/sys/dev/spibus/spi.h

/* $FreeBSD$ */

struct spi_command {
	void	*tx_cmd;
	uint32_t tx_cmd_sz;
	void	*rx_cmd;
	uint32_t rx_cmd_sz;
	void	*tx_data;
	uint32_t tx_data_sz;
	void	*rx_data;
	uint32_t rx_data_sz;
};

#define	SPI_CHIP_SELECT_HIGH	0x1		/* Chip select high (else low) */
Fix comments. 2006-07-17 21:18:03 +00:00			`/* $FreeBSD$ */`
MFp4: Initial spibus support. Seems to be OK, but needs some polish. # someone should write a bit-bang spi parallel port interface :-) 2006-07-14 22:47:07 +00:00
			`struct spi_command {`
			`void *tx_cmd;`
			`uint32_t tx_cmd_sz;`
			`void *rx_cmd;`
			`uint32_t rx_cmd_sz;`
			`void *tx_data;`
			`uint32_t tx_data_sz;`
			`void *rx_data;`
			`uint32_t rx_data_sz;`
			`};`
Add the chip select glue. 2012-08-01 01:18:36 +00:00
			`#define SPI_CHIP_SELECT_HIGH 0x1 /* Chip select high (else low) */`