fx469.h

fx469驱动程序的源代码,运行在uClinux中,嵌入式设计

#include  	<asm-armnommu/uaccess.h>
#include 	  <linux/slab.h>
#include	  <linux/errno.h>
#include	 <linux/sched.h>
#include   <asm-armnommu/hardware.h>

#ifdef MODULE
#include <linux/module.h>
#include <linux/version.h>
char kernel_version[]=UTS_RELEASE;
#else
#define MOD_INC_USE_COUNT
#define MOD_DEC_USE_COUNT
#endif

#define	IopMod		(VPint(IOPMOD))
#define	IopData		(VPint(IOPDATA))

#define	SET_IOPDATA(n)		IopData |=(1<<(n))
#define	CLEAR_IOPDATA(n)	IopData &=~(1<<(n))

#define  FX469_WRITE_IRQ    0
#define  FX469_READ_IRQ     1
#define  FX469_WRITE_BIT    2       //fx469 write port
#define  FX469_READ_BIT     3       //fx469 read port

#define  ullong             unsigned long long

DECLARE_WAIT_QUEUE_HEAD(fx469_read_queue);
DECLARE_WAIT_QUEUE_HEAD(fx469_write_queue);

char	set_led2=0;
int   irq_count=0;

ullong  *write_task_ptr;
ullong  *read_task_ptr;

unsigned char  fx469_read_buf[20];
unsigned char  fx469_write_buf[20];
int   fx469_buf_count=0;
int   user_read_count=0;
int   fx469_write_count=0;
int   fx469_write_bit_count=0;
int   fx469_read_bit_count=0;
unsigned long long fx469_write_data1;   //64 bits
unsigned long long fx469_write_data2;   //64 bits
unsigned long long fx469_read_data1;   //64 bits
unsigned long long fx469_read_data2;   //64 bits


void init_fx469(void);
static int	read_fx469(struct file *files,char *buf,size_t count,loff_t *f_pos);
static int	write_fx469(struct file *files,const char *buf,size_t count,loff_t *f_pos);
static int 	open_fx469(struct inode *node,struct file *files);
static	int	release_fx469(struct inode *node,struct file *files);
void	fx469_write_service(int irq,void *dev_id,struct pt_regs *regs);
void	fx469_read_service(int irq,void *dev_id,struct pt_regs *regs);  

struct file_operations  fx469_files={
NULL,
NULL,
read_fx469,
write_fx469,
NULL,
NULL,
NULL,
NULL,
open_fx469,
NULL,
release_fx469,
NULL,
NULL,
};

/*
struct file_operations  myfiles={
open_mydev1,
open_mydev2,
open_mydev3,
open_mydev4,
open_mydev5,
open_mydev6,
open_mydev7,
open_mydev8,
open_mydev9,
open_mydev10,
open_mydev11,
open_mydev12,
open_mydev13,
};
*/