at91_uart_defs.h

at91rm9200 linux 下t6963的驱动

/*
 * can_defs - can4linux CAN driver module, internal header file
 *
 * Copyright (c) 2001 port GmbH Halle/Saale
 *------------------------------------------------------------------
 * $Header: /z2/cvsroot/products/0530/software/can4linux/src/can_defs.h,v 1.19 2005/08/29 08:59:02 oe Exp $
 *
 *--------------------------------------------------------------------------
 *
 *
 * modification history
 * --------------------
 * $Log: can_defs.h,v $
 * Revision 1.19  2005/08/29 08:59:02  oe
 * *** empty log message ***
 *
 *
 *
 *
 *
 *--------------------------------------------------------------------------
 */


/**
* \file can_defs.h
* \author Name, port GmbH
* $Revision: 1.19 $
* $Date: 2005/08/29 08:59:02 $
*
* Module Description 
* see Doxygen Doc for all possibilites
*
*
*
*/

#ifdef __KERNEL__
#include <linux/module.h>


#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/errno.h>
#include <linux/major.h>

#include <linux/version.h>

#include <linux/slab.h>

#include <linux/poll.h>

#include <asm/io.h>
#include <asm/segment.h>
#include <asm/system.h>
#include <asm/irq.h>
#include <asm/dma.h>

#include <linux/mm.h>
#include <linux/signal.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>

#include <asm/arch/pio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/hardware.h>

#ifdef CONFIG_DEVFS_FS /* only if enabled, to avoid errors in 2.0 */
#include <linux/devfs_fs_kernel.h>
#endif

#include <asm/uaccess.h>

#define __lddk_copy_from_user(a,b,c) copy_from_user(a,b,c)
#define __lddk_copy_to_user(a,b,c) copy_to_user(a,b,c)



#include <linux/ioport.h>


#include <linux/interrupt.h> 

#include <asm/arch/at91rm9200_usart.h>
#include <asm/arch/at91rm9200_pdc.h>

#include <linux/clk.h>



/* kernels higher 2.3.x have a f****** new kernel interface ******************/
#define __LDDK_WRITE_TYPE	ssize_t
#define __LDDK_CLOSE_TYPE	int
#define __LDDK_READ_TYPE	ssize_t
#define __LDDK_OPEN_TYPE	int
#define __LDDK_IOCTL_TYPE	int
#define __LDDK_SELECT_TYPE	unsigned int

#define __LDDK_READ_PARAM 	struct file *file, char *buffer, size_t count, loff_t *loff
#define __LDDK_WRITE_PARAM 	struct file *file, const char *buffer, size_t count, loff_t *loff

#define __LDDK_SELECT_PARAM 	struct file *file, struct poll_table_struct *wait
#define __LDDK_IOCTL_PARAM 	struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg

#define __LDDK_OPEN_PARAM 	struct inode *inode, struct file *file 
#define __LDDK_CLOSE_PARAM 	struct inode *inode, struct file *file 


#define __LDDK_MINOR MINOR(file->f_dentry->d_inode->i_rdev)
#define __LDDK_INO_MINOR MINOR(inode->i_rdev)

#endif



#ifdef __KERNEL__

extern __LDDK_READ_TYPE at91_uart_read (__LDDK_READ_PARAM); 
extern __LDDK_WRITE_TYPE at91_uart_write (__LDDK_WRITE_PARAM); 
extern __LDDK_SELECT_TYPE at91_uart_select ( __LDDK_SELECT_PARAM ); 
extern int at91_uart_ioctl ( __LDDK_IOCTL_PARAM ); 
extern int at91_uart_open ( __LDDK_OPEN_PARAM ); 
extern __LDDK_CLOSE_TYPE at91_uart_close (__LDDK_CLOSE_PARAM); 

#endif 



/************************************************************************/
#include "at91_uart.h"
/************************************************************************/



/* number of supported CAN channels */
#define MAX_CHANNELS 1




#ifndef CAN_MAJOR
#define CAN_MAJOR 91
#endif



struct at91_uart_port {
	spinlock_t		lock;			/* port lock */	
	void (*fun)(void);

	unsigned int base;

	unsigned char __iomem	*membase;	/* uart */


	int Can_isopen;


		
};

extern struct at91_uart_port at91_ports[];
/************************************************************************/
/* function prototypes */
/************************************************************************/

#define T6963C_PUT_COM(port,v)	writeb(v, (port)->membase + 1)
#define T6963C_GET_COM(port)	readb((port)->membase+1)

#define T6963C_PUT_DATA(port,v)	writeb(v,(port)->membase)
#define T6963C_GET_DATA(port)	readb((port)->membase)