spi.h revision 239626 
1/* $FreeBSD: head/sys/dev/spibus/spi.h 239626 2012-08-23 22:38:37Z imp $ */
2
3struct spi_command {
4	void	*tx_cmd;
5	uint32_t tx_cmd_sz;
6	void	*rx_cmd;
7	uint32_t rx_cmd_sz;
8	void	*tx_data;
9	uint32_t tx_data_sz;
10	void	*rx_data;
11	uint32_t rx_data_sz;
12};
13
14#define	SPI_CHIP_SELECT_HIGH	0x1		/* Chip select high (else low) */
15