55 lines
1.4 KiB
C
Executable File
55 lines
1.4 KiB
C
Executable File
/*
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*********************************************************************************************************
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* LINUX-KERNEL
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* AllWinner Linux Platform Develop Kits
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* Kernel Module
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*
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* (c) Copyright 2006-2011, kevin.z China
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* All Rights Reserved
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*
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* File : standby_twi.h
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* By : kevin.z
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* Version : v1.0
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* Date : 2011-5-31 15:22
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* Descript:
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* Update : date auther ver notes
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*********************************************************************************************************
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*/
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#ifndef __STANDBY_TWI_H__
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#define __STANDBY_TWI_H__
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#include "standby_cfg.h"
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typedef struct tag_twic_reg
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{
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volatile unsigned int reg_saddr;
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volatile unsigned int reg_xsaddr;
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volatile unsigned int reg_data;
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volatile unsigned int reg_ctl;
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volatile unsigned int reg_status;
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volatile unsigned int reg_clkr;
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volatile unsigned int reg_reset;
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volatile unsigned int reg_efr;
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volatile unsigned int reg_lctl;
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}__twic_reg_t;
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enum twi_op_type_e{
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TWI_OP_RD,
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TWI_OP_WR,
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};
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extern __s32 standby_twi_init(int group);
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extern __s32 standby_twi_exit(void);
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extern __s32 twi_byte_rw(enum twi_op_type_e op, __u8 saddr, __u8 baddr, __u8 *data);
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#endif /* __STANDBY_TWI_H__ */
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