w90n745_ebi2.h

winbond w90n745 ebi驱动代码

/****************************************************************************
 *                                                                                                                           *
 * Copyright (c) 2006 - 2007 GTM Electronics Corp. All rights reserved.                          *
 *                                                                                                                           *
 ***************************************************************************/
 
/****************************************************************************
 * 
 * FILENAME
 *     w90n745_ebi2.h
 *
 * VERSION
 *     1.0
 *
 * DESCRIPTION
 *     This file contains PreDefined data types for driver of ebi 2 Module
 *     !-xxx is USE Bank 2-!
 * DATA STRUCTURES
 *     None
 *
 * FUNCTIONS
 *     None
 *
 * HISTORY
 *     
 *     2007/12/12		 Ver 1.0 Created by gtm ymy
 * REMARK
 *     None
 **************************************************************************/
#ifndef _W90N745_EBI2_H_
#define _W90N745_EBI2_H_

#include <asm/ioctl.h>
//ALL  IS FIXED
/* Define constants for use external IO in service parameters.  */
#define EXT0			0
#define EXT1			1
#define EXT2			2
#define EXT3			3

#define SIZE_256K		4
#define SIZE_512K		5
#define SIZE_1M		6
#define SIZE_2M		7
#define SIZE_4M		8
#define SIZE_8M		9
#define SIZE_16M		10
#define SIZE_32M		11

#define BUS_DISABLE		12
#define BUS_BIT_8		13
#define BUS_BIT_16		14
#define BUS_BIT_32		15

#define AHB_IO_BASE				0xFFF00000
#define APB_IO_BASE				0xFFF80000

//地址 
//EBI Config bits FIXED
#define EXT0_BASS	0x70000000//NAND
#define EXT1_BASS	0x73000000//LCM Use it
#define EXT2_BASS	0x74000000//LED Use it
#define EXT3_BASS	0x78000000//Resersed

#define EXT0CON		((AHB_IO_BASE+0x1018))	/* External I/O 0 control register */
#define EXT1CON		((AHB_IO_BASE+0x101C))	/* External I/O 1 control register */ //LCM Use it
#define EXT2CON		((AHB_IO_BASE+0x1020))	/* External I/O 2 control register */ //Modified error(0x0020):2007-12-24
#define EXT3CON		((AHB_IO_BASE+0x1024))	/* External I/O 3 control register */

#define UINT32 	unsigned int

#ifndef VPint
#define VPint		*(volatile unsigned int *)
#define VPshort		*(volatile unsigned short *)
#define VPchar		*(volatile unsigned char *)
#endif

#define outpb(r,v)		(VPchar(r)=(v))
#define inpb(r)				(VPchar(r))

#define outpw(r,v)		(VPint(r)=(v))
#define inpw(r)				(VPint(r)) 

//2007-12-22 add No122
#define LED_BASE_ADDR			EXT2_BASS

/*IOCTLs*/






static int ebi2ledc_init(void);
static int ebi2ledc_ioctl(struct inode *inode, struct file *filp,unsigned int cmd, unsigned long arg);
static int ebi2ledc_open(struct inode *inode,struct file *filp);
static int ebi2ledc_close(struct inode *inode,struct file *filp);
static int ebi2ledc_write(struct file *filp, const char *buff, size_t count, loff_t *f_pos);
static int ebi2ledc_read(struct file *flip,char * buff,size_t count, loff_t * f_pos);

#endif