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/****************************************************************************
*
* Copyright (c) 2004 - 2006 Winbond Electronics Corp. All rights reserved.
*
****************************************************************************/
/****************************************************************************
*
* FILENAME
* w90n745_usi.h
*
* VERSION
* 1.0
*
* DESCRIPTION
* USI driver supported for W90n710.
*
* FUNCTIONS
* all functions, if they has return value, return 0 if they success, others failed.
*
* HISTORY
* 2006/01/10 Created by QFu
*
* REMARK
* None
*************************************************************************/
#ifndef _W90N745_USI_H_
#define _W90N745_USI_H_
#include <linux/types.h>
#include <linux/ioctl.h>
#define USI_BASE 0xfff86200
#define USI_SIZE 0x30
#define USI_CNTRL (USI_BASE | 0x00)
#define USI_DIVIDER (USI_BASE | 0x04)
#define USI_SSR (USI_BASE | 0x08)
#define USI_RX0 (USI_BASE | 0x10)
#define USI_RX1 (USI_BASE | 0x14)
#define USI_RX2 (USI_BASE | 0x18)
#define USI_RX3 (USI_BASE | 0x1c)
#define USI_TX0 (USI_BASE | 0x10)
#define USI_TX1 (USI_BASE | 0x14)
#define USI_TX2 (USI_BASE | 0x18)
#define USI_TX3 (USI_BASE | 0x1c)
struct usi_parameter{
unsigned int active_level:1;
unsigned int lsb:1, tx_neg:1, rx_neg:1, divider:16;
unsigned int sleep:4;
};
struct usi_data{
unsigned int write_data;
unsigned int read_data;
unsigned int bit_len;
};
#define USI_MAJOR 231
#define USI_IOC_MAGIC 'u'
#define USI_IOC_MAXNR 3
#define USI_IOC_GETPARAMETER _IOR(USI_IOC_MAGIC, 0, struct usi_parameter *)
#define USI_IOC_SETPARAMETER _IOW(USI_IOC_MAGIC, 1, struct usi_parameter *)
#define USI_IOC_SELECTSLAVE _IOW(USI_IOC_MAGIC, 2, int)
#define USI_IOC_TRANSIT _IOW(USI_IOC_MAGIC, 3, struct usi_data *)
#endif /* _W90N745_USI_H_ */
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