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/******************************************************************************
*
* Name: ski2c.h
* Project: Gigabit Ethernet Adapters, TWSI-Module
* Version: $Revision: 1.35 $
* Date: $Date: 2003/10/20 09:06:30 $
* Purpose: Defines to access Voltage and Temperature Sensor
*
******************************************************************************/
/******************************************************************************
*
* (C)Copyright 1998-2002 SysKonnect.
* (C)Copyright 2002-2003 Marvell.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The information in this file is provided "AS IS" without warranty.
*
******************************************************************************/
/*
* SKI2C.H contains all I2C specific defines
*/
#ifndef _SKI2C_H_
#define _SKI2C_H_
typedef struct s_Sensor SK_SENSOR;
#include "h/skgei2c.h"
/*
* Define the I2C events.
*/
#define SK_I2CEV_IRQ 1 /* IRQ happened Event */
#define SK_I2CEV_TIM 2 /* Timeout event */
#define SK_I2CEV_CLEAR 3 /* Clear MIB Values */
/*
* Define READ and WRITE Constants.
*/
#define I2C_READ 0
#define I2C_WRITE 1
#define I2C_BURST 1
#define I2C_SINGLE 0
#define SKERR_I2C_E001 (SK_ERRBASE_I2C+0)
#define SKERR_I2C_E001MSG "Sensor index unknown"
#define SKERR_I2C_E002 (SKERR_I2C_E001+1)
#define SKERR_I2C_E002MSG "TWSI: transfer does not complete"
#define SKERR_I2C_E003 (SKERR_I2C_E002+1)
#define SKERR_I2C_E003MSG "LM80: NAK on device send"
#define SKERR_I2C_E004 (SKERR_I2C_E003+1)
#define SKERR_I2C_E004MSG "LM80: NAK on register send"
#define SKERR_I2C_E005 (SKERR_I2C_E004+1)
#define SKERR_I2C_E005MSG "LM80: NAK on device (2) send"
#define SKERR_I2C_E006 (SKERR_I2C_E005+1)
#define SKERR_I2C_E006MSG "Unknown event"
#define SKERR_I2C_E007 (SKERR_I2C_E006+1)
#define SKERR_I2C_E007MSG "LM80 read out of state"
#define SKERR_I2C_E008 (SKERR_I2C_E007+1)
#define SKERR_I2C_E008MSG "Unexpected sensor read completed"
#define SKERR_I2C_E009 (SKERR_I2C_E008+1)
#define SKERR_I2C_E009MSG "WARNING: temperature sensor out of range"
#define SKERR_I2C_E010 (SKERR_I2C_E009+1)
#define SKERR_I2C_E010MSG "WARNING: voltage sensor out of range"
#define SKERR_I2C_E011 (SKERR_I2C_E010+1)
#define SKERR_I2C_E011MSG "ERROR: temperature sensor out of range"
#define SKERR_I2C_E012 (SKERR_I2C_E011+1)
#define SKERR_I2C_E012MSG "ERROR: voltage sensor out of range"
#define SKERR_I2C_E013 (SKERR_I2C_E012+1)
#define SKERR_I2C_E013MSG "ERROR: couldn't init sensor"
#define SKERR_I2C_E014 (SKERR_I2C_E013+1)
#define SKERR_I2C_E014MSG "WARNING: fan sensor out of range"
#define SKERR_I2C_E015 (SKERR_I2C_E014+1)
#define SKERR_I2C_E015MSG "ERROR: fan sensor out of range"
#define SKERR_I2C_E016 (SKERR_I2C_E015+1)
#define SKERR_I2C_E016MSG "TWSI: active transfer does not complete"
/*
* Define Timeout values
*/
#define SK_I2C_TIM_LONG 2000000L /* 2 seconds */
#define SK_I2C_TIM_SHORT 100000L /* 100 milliseconds */
#define SK_I2C_TIM_WATCH 1000000L /* 1 second */
/*
* Define trap and error log hold times
*/
#ifndef SK_SEN_ERR_TR_HOLD
#define SK_SEN_ERR_TR_HOLD (4*SK_TICKS_PER_SEC)
#endif
#ifndef SK_SEN_ERR_LOG_HOLD
#define SK_SEN_ERR_LOG_HOLD (60*SK_TICKS_PER_SEC)
#endif
#ifndef SK_SEN_WARN_TR_HOLD
#define SK_SEN_WARN_TR_HOLD (15*SK_TICKS_PER_SEC)
#endif
#ifndef SK_SEN_WARN_LOG_HOLD
#define SK_SEN_WARN_LOG_HOLD (15*60*SK_TICKS_PER_SEC)
#endif
/*
* Defines for SenType
*/
#define SK_SEN_UNKNOWN 0
#define SK_SEN_TEMP 1
#define SK_SEN_VOLT 2
#define SK_SEN_FAN 3
/*
* Define for the SenErrorFlag
*/
#define SK_SEN_ERR_NOT_PRESENT 0 /* Error Flag: Sensor not present */
#define SK_SEN_ERR_OK 1 /* Error Flag: O.K. */
#define SK_SEN_ERR_WARN 2 /* Error Flag: Warning */
#define SK_SEN_ERR_ERR 3 /* Error Flag: Error */
#define SK_SEN_ERR_FAULTY 4 /* Error Flag: Faulty */
/*
* Define the Sensor struct
*/
struct s_Sensor {
char *SenDesc; /* Description */
int SenType; /* Voltage or Temperature */
SK_I32 SenValue; /* Current value of the sensor */
SK_I32 SenThreErrHigh; /* High error Threshhold of this sensor */
SK_I32 SenThreWarnHigh; /* High warning Threshhold of this sensor */
SK_I32 SenThreErrLow; /* Lower error Threshold of the sensor */
SK_I32 SenThreWarnLow; /* Lower warning Threshold of the sensor */
int SenErrFlag; /* Sensor indicated an error */
SK_BOOL SenInit; /* Is sensor initialized ? */
SK_U64 SenErrCts; /* Error trap counter */
SK_U64 SenWarnCts; /* Warning trap counter */
SK_U64 SenBegErrTS; /* Begin error timestamp */
SK_U64 SenBegWarnTS; /* Begin warning timestamp */
SK_U64 SenLastErrTrapTS; /* Last error trap timestamp */
SK_U64 SenLastErrLogTS; /* Last error log timestamp */
SK_U64 SenLastWarnTrapTS; /* Last warning trap timestamp */
SK_U64 SenLastWarnLogTS; /* Last warning log timestamp */
int SenState; /* Sensor State (see HW specific include) */
int (*SenRead)(SK_AC *pAC, SK_IOC IoC, struct s_Sensor *pSen);
/* Sensors read function */
SK_U16 SenReg; /* Register Address for this sensor */
SK_U8 SenDev; /* Device Selection for this sensor */
};
typedef struct s_I2c {
SK_SENSOR SenTable[SK_MAX_SENSORS]; /* Sensor Table */
int CurrSens; /* Which sensor is currently queried */
int MaxSens; /* Max. number of sensors */
int TimerMode; /* Use the timer also to watch the state machine */
int InitLevel; /* Initialized Level */
#ifndef SK_DIAG
int DummyReads; /* Number of non-checked dummy reads */
SK_TIMER SenTimer; /* Sensors timer */
#endif /* !SK_DIAG */
} SK_I2C;
extern int SkI2cInit(SK_AC *pAC, SK_IOC IoC, int Level);
#ifdef SK_DIAG
extern SK_U32 SkI2cRead(SK_AC *pAC, SK_IOC IoC, int Dev, int Size, int Reg,
int Burst);
#else /* !SK_DIAG */
extern int SkI2cEvent(SK_AC *pAC, SK_IOC IoC, SK_U32 Event, SK_EVPARA Para);
extern void SkI2cWaitIrq(SK_AC *pAC, SK_IOC IoC);
extern void SkI2cIsr(SK_AC *pAC, SK_IOC IoC);
#endif /* !SK_DIAG */
#endif /* n_SKI2C_H */
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