spi-device.h

 
#ifndef _RTDM_SPI_DEVICE_H
#define _RTDM_SPI_DEVICE_H
 
#include <linux/list.h>
#include <linux/atomic.h>
#include <linux/mutex.h>
#include <rtdm/driver.h>
#include <rtdm/uapi/spi.h>
 
struct class;
struct rtdm_spi_master;
 
struct rtdm_spi_remote_slave {
        u8 chip_select;
        struct gpio_desc *cs_gpiod;
        struct rtdm_device dev;
        struct list_head next;
        struct rtdm_spi_config config;
        struct rtdm_spi_master *master;
        atomic_t mmap_refs;
        struct mutex ctl_lock;
};
 
static inline struct device *
slave_to_kdev(struct rtdm_spi_remote_slave *slave)
{
        return rtdm_dev_to_kdev(&slave->dev);
}
 
int rtdm_spi_add_remote_slave(struct rtdm_spi_remote_slave *slave,
                              struct rtdm_spi_master *spim,
                              struct spi_device *spi);
 
void rtdm_spi_remove_remote_slave(struct rtdm_spi_remote_slave *slave);
 
#endif /* !_RTDM_SPI_DEVICE_H */