iic_mdd.h

Samsung公司S3C6400芯片的BSP源码包

/**************************************************************************************
* 
*	Project Name : IIC Driver 
*
*	Copyright 2006 by Samsung Electronics, Inc.
*	All rights reserved.
*
*	Project Description :
*		This software is MDD layer for IIC Samsung driver. 
*  
*--------------------------------------------------------------------------------------
* 
*	File Name : iic_mdd.h
*  
*	File Description : This file implements common structures and macros for IIC driver.
*
*	Author : JeGeon.Jung
*	Dept. : AP Development Team
*	Created Date : 2007/06/11
*	Version : 0.1 
* 
*	History
*	- Created(JeGeon.Jung 2007/06/11)
*  
*	Todo
*
*
*	Note
*
**************************************************************************************/
#ifndef __IIC_MDD_H__
#define __IIC_MDD_H__

#include <iic.h>


enum	IIC_STATE
{
	IIC_FINISH = 0,
	IIC_RUN = 1
};


typedef struct __HW_OPEN_INFO HW_OPEN_INFO, *PHW_OPEN_INFO;

typedef struct __PDD_COMMON_SET {
	BYTE				SlaveAddress;
	BYTE				InterruptEnable;
} PDD_COMMON_SET, *PPDD_COMMON_SET;

typedef struct __PDD_CONTEXT_SET {
	UINT32				Clock;
	IIC_MODE			ModeSel;
	BYTE				ClockSel;
	BYTE				ClockDiv;
	BYTE				FilterEnable;
	IIC_DELAY			Delay;
} PDD_CONTEXT_SET, *PPDD_CONTEXT_SET;


typedef struct __HW_INIT_INFO {
	CRITICAL_SECTION	CritSec;			// Protects tx/rx action
	PHW_OPEN_INFO   	pAccessOwner;   	// Points to whichever open has acess permissions
	LIST_ENTRY      	OpenList;       	// Head of linked list of OPEN_INFOs 
	CRITICAL_SECTION 	OpenCS;	    		// Protects Open Linked List + ref counts	
	DWORD				OpenCnt;			// Protects use of this port 	
	ULONG				Priority256;    	// CeThreadPriority of transmit Thread.
	PDD_COMMON_SET		PDDCommonVal;		// common setting value for all contexts.
	IIC_STATE			State;				// state (IIC_RUN, IIC_FINISH)	
} HW_INIT_INFO, *PHW_INIT_INFO;


typedef struct __HW_OPEN_INFO {
    PHW_INIT_INFO   	pInitContext;     	// Pointer back to our HW_INIT_INFO
    DWORD	        	AccessCode;      	// What permissions was this opened with
    DWORD	        	ShareMode;       	// What Share Mode was this opened with
    DWORD           	StructUsers;     	// Count of threads currently using struct.
    LIST_ENTRY 	     	llist;           	// Linked list of OPEN_INFOs
    PDD_CONTEXT_SET		PDDContextVal;		// setting value for each context.
    BOOL				DirtyBit;			// This means PDDContextVal is updated.
} HW_OPEN_INFO, *PHW_OPEN_INFO;


#endif //	__IIC_MDD_H__