at91rm9200_fiq_ipc_type.h

linux内核不提供fiq的驱动的

/*
 * this defines the struct which is used to communicate between the FIQ
 * world and the normal linux kernel world.  One of these structs is
 * statically defined for you in the monolithic kernel so the FIQ ISR code
 * can safely touch it any any time.
 *
 * You also want to include this file in your kernel module that wants to
 * communicate with your FIQ code.  Add any kinds of vars that are used by
 * the FIQ ISR and the module in here.
 *
 * To get you started there is just an int that is incremented every FIQ
 * you can remove this when you are ready to customize, but it is useful
 * for testing
 */
#include <linux/serial_reg.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>

#include <asm/serial.h>
#include "../../../drivers/serial/8250.h"

struct at91rm9200_fiq_ipc {
	int nCountFiqEvents;
	unsigned char tram_buff[100];
	unsigned char rec_buff[100];
};

/* inits and begins FIQ service */
void
at91rm9200_fiq_init(void);

/* stops FIQ events being seen any more */
void
at91rm9200_fiq_exit(void);