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