drivers/net/sk98lin/h/ski2c.h

   1 /******************************************************************************
   2  *
   3  * Name:        ski2c.h
   4  * Project:     GEnesis, PCI Gigabit Ethernet Adapter
   5  * Version:     $Revision: 1.34 $
   6  * Date:        $Date: 2003/01/28 09:11:21 $
   7  * Purpose:     Defines to access Voltage and Temperature Sensor
   8  *
   9  ******************************************************************************/
  10
  11 /******************************************************************************
  12  *
  13  *      (C)Copyright 1998-2003 SysKonnect GmbH.
  14  *
  15  *      This program is free software; you can redistribute it and/or modify
  16  *      it under the terms of the GNU General Public License as published by
  17  *      the Free Software Foundation; either version 2 of the License, or
  18  *      (at your option) any later version.
  19  *
  20  *      The information in this file is provided "AS IS" without warranty.
  21  *
  22  ******************************************************************************/
  23
  24 /******************************************************************************
  25  *
  26  * History:
  27  *
  28  *      $Log: ski2c.h,v $
  29  *      Revision 1.34  2003/01/28 09:11:21  rschmidt
  30  *      Editorial changes
  31  *
  32  *      Revision 1.33  2002/10/14 16:40:50  rschmidt
  33  *      Editorial changes (TWSI)
  34  *
  35  *      Revision 1.32  2002/08/13 08:55:07  rschmidt
  36  *      Editorial changes
  37  *
  38  *      Revision 1.31  2002/08/06 09:44:22  jschmalz
  39  *      Extensions and changes for Yukon
  40  *
  41  *      Revision 1.30  2001/04/05 11:38:09  rassmann
  42  *      Set SenState to idle in SkI2cWaitIrq().
  43  *      Changed error message in SkI2cWaitIrq().
  44  *
  45  *      Revision 1.29  2000/08/03 14:28:17  rassmann
  46  *      - Added function to wait for I2C being ready before resetting the board.
  47  *      - Replaced one duplicate "out of range" message with correct one.
  48  *
  49  *      Revision 1.28  1999/11/22 13:55:46  cgoos
  50  *      Changed license header to GPL.
  51  *
  52  *      Revision 1.27  1999/05/20 09:23:10  cgoos
  53  *      Changes for 1000Base-T (Fan sensors).
  54  *
  55  *      Revision 1.26  1998/12/01 13:45:47  gklug
  56  *      add: InitLevel to I2c struct
  57  *
  58  *      Revision 1.25  1998/11/03 06:55:16  gklug
  59  *      add: Dummy Reads to I2c struct
  60  *
  61  *      Revision 1.24  1998/10/02 14:28:59  cgoos
  62  *      Added prototype for SkI2cIsr.
  63  *
  64  *      Revision 1.23  1998/09/08 12:20:11  gklug
  65  *      add: prototypes for init and read functions
  66  *
  67  *      Revision 1.22  1998/09/08 07:37:56  gklug
  68  *      add: log error if PCI_IO voltage sensor could not be initialized
  69  *
  70  *      Revision 1.21  1998/09/04 08:38:05  malthoff
  71  *      Change the values for I2C_READ and I2C_WRITE
  72  *
  73  *      Revision 1.20  1998/08/25 07:52:22  gklug
  74  *      chg: Timestamps (last) added for logging
  75  *
  76  *      Revision 1.19  1998/08/25 06:09:00  gklug
  77  *      rmv: warning and error levels of the individual sensors.
  78  *      add: timing definitions for sending traps and logging errors
  79  *
  80  *      Revision 1.18  1998/08/20 11:41:15  gklug
  81  *      chg: omit STRCPY macro by using char * as Sensor Description
  82  *
  83  *      Revision 1.17  1998/08/20 11:37:43  gklug
  84  *      chg: change Ioc to IoC
  85  *
  86  *      Revision 1.16  1998/08/20 11:30:38  gklug
  87  *      fix: SenRead declaration
  88  *
  89  *      Revision 1.15  1998/08/20 11:27:53  gklug
  90  *      fix: Compile bugs with new awrning constants
  91  *
  92  *      Revision 1.14  1998/08/20 08:53:12  gklug
  93  *      fix: compiler errors
  94  *      add: Threshold values
  95  *
  96  *      Revision 1.13  1998/08/19 12:21:16  gklug
  97  *      fix: remove struct from C files (see CCC)
  98  *      add: typedefs for all structs
  99  *
 100  *      Revision 1.12  1998/08/19 10:57:41  gklug
 101  *      add: Warning levels
 102  *
 103  *      Revision 1.11  1998/08/18 08:37:02  malthoff
 104  *      Prototypes not required for SK_DIAG.
 105  *
 106  *      Revision 1.10  1998/08/17 13:54:00  gklug
 107  *      fix: declaration of event function
 108  *
 109  *      Revision 1.9  1998/08/17 06:48:39  malthoff
 110  *      Remove some unrequired macros.
 111  *      Fix the compiler errors.
 112  *
 113  *      Revision 1.8  1998/08/14 06:47:19  gklug
 114  *      fix: Values are intergers
 115  *
 116  *      Revision 1.7  1998/08/14 06:26:05  gklug
 117  *      add: Init error message
 118  *
 119  *      Revision 1.6  1998/08/13 08:31:08  gklug
 120  *      add: Error message
 121  *
 122  *      Revision 1.5  1998/08/12 14:32:04  gklug
 123  *      add: new error code/message
 124  *
 125  *      Revision 1.4  1998/08/12 13:39:08  gklug
 126  *      chg: names of error messages
 127  *      add: defines for Sensor type and thresholds
 128  *
 129  *      Revision 1.3  1998/08/11 07:57:16  gklug
 130  *      add: sensor struct
 131  *      add: Timeout defines
 132  *      add: I2C control struct for pAC
 133  *
 134  *      Revision 1.2  1998/07/17 11:29:02  gklug
 135  *      rmv: Microwire and SMTPANIC
 136  *
 137  *      Revision 1.1  1998/06/19 14:30:10  malthoff
 138  *      Created. Sources taken from ML Project.
 139  *
 140  *
 141  ******************************************************************************/
 142
 143 /*
 144  * SKI2C.H      contains all I2C specific defines
 145  */
 146
 147 #ifndef _SKI2C_H_
 148 #define _SKI2C_H_
 149
 150 typedef struct  s_Sensor SK_SENSOR;
 151
 152 #include "h/skgei2c.h"
 153
 154 /*
 155  * Define the I2C events.
 156  */
 157 #define SK_I2CEV_IRQ    1       /* IRQ happened Event */
 158 #define SK_I2CEV_TIM    2       /* Timeout event */
 159 #define SK_I2CEV_CLEAR  3       /* Clear MIB Values */
 160
 161 /*
 162  * Define READ and WRITE Constants.
 163  */
 164 #undef  I2C_READ                /* just in case */
 165 #undef  I2C_WRITE               /* just in case */
 166 #define I2C_READ        0
 167 #define I2C_WRITE       1
 168 #define I2C_BURST       1
 169 #define I2C_SINGLE      0
 170
 171 #define SKERR_I2C_E001          (SK_ERRBASE_I2C+0)
 172 #define SKERR_I2C_E001MSG       "Sensor index unknown"
 173 #define SKERR_I2C_E002          (SKERR_I2C_E001+1)
 174 #define SKERR_I2C_E002MSG       "TWSI: transfer does not complete"
 175 #define SKERR_I2C_E003          (SKERR_I2C_E002+1)
 176 #define SKERR_I2C_E003MSG       "LM80: NAK on device send"
 177 #define SKERR_I2C_E004          (SKERR_I2C_E003+1)
 178 #define SKERR_I2C_E004MSG       "LM80: NAK on register send"
 179 #define SKERR_I2C_E005          (SKERR_I2C_E004+1)
 180 #define SKERR_I2C_E005MSG       "LM80: NAK on device (2) send"
 181 #define SKERR_I2C_E006          (SKERR_I2C_E005+1)
 182 #define SKERR_I2C_E006MSG       "Unknown event"
 183 #define SKERR_I2C_E007          (SKERR_I2C_E006+1)
 184 #define SKERR_I2C_E007MSG       "LM80 read out of state"
 185 #define SKERR_I2C_E008          (SKERR_I2C_E007+1)
 186 #define SKERR_I2C_E008MSG       "Unexpected sensor read completed"
 187 #define SKERR_I2C_E009          (SKERR_I2C_E008+1)
 188 #define SKERR_I2C_E009MSG       "WARNING: temperature sensor out of range"
 189 #define SKERR_I2C_E010          (SKERR_I2C_E009+1)
 190 #define SKERR_I2C_E010MSG       "WARNING: voltage sensor out of range"
 191 #define SKERR_I2C_E011          (SKERR_I2C_E010+1)
 192 #define SKERR_I2C_E011MSG       "ERROR: temperature sensor out of range"
 193 #define SKERR_I2C_E012          (SKERR_I2C_E011+1)
 194 #define SKERR_I2C_E012MSG       "ERROR: voltage sensor out of range"
 195 #define SKERR_I2C_E013          (SKERR_I2C_E012+1)
 196 #define SKERR_I2C_E013MSG       "ERROR: couldn't init sensor"
 197 #define SKERR_I2C_E014          (SKERR_I2C_E013+1)
 198 #define SKERR_I2C_E014MSG       "WARNING: fan sensor out of range"
 199 #define SKERR_I2C_E015          (SKERR_I2C_E014+1)
 200 #define SKERR_I2C_E015MSG       "ERROR: fan sensor out of range"
 201 #define SKERR_I2C_E016          (SKERR_I2C_E015+1)
 202 #define SKERR_I2C_E016MSG       "TWSI: active transfer does not complete"
 203
 204 /*
 205  * Define Timeout values
 206  */
 207 #define SK_I2C_TIM_LONG         2000000L        /* 2 seconds */
 208 #define SK_I2C_TIM_SHORT         100000L        /* 100 milliseconds */
 209 #define SK_I2C_TIM_WATCH        1000000L        /* 1 second */
 210
 211 /*
 212  * Define trap and error log hold times
 213  */
 214 #ifndef SK_SEN_ERR_TR_HOLD
 215 #define SK_SEN_ERR_TR_HOLD              (4*SK_TICKS_PER_SEC)
 216 #endif
 217 #ifndef SK_SEN_ERR_LOG_HOLD
 218 #define SK_SEN_ERR_LOG_HOLD             (60*SK_TICKS_PER_SEC)
 219 #endif
 220 #ifndef SK_SEN_WARN_TR_HOLD
 221 #define SK_SEN_WARN_TR_HOLD             (15*SK_TICKS_PER_SEC)
 222 #endif
 223 #ifndef SK_SEN_WARN_LOG_HOLD
 224 #define SK_SEN_WARN_LOG_HOLD    (15*60*SK_TICKS_PER_SEC)
 225 #endif
 226
 227 /*
 228  * Defines for SenType
 229  */
 230 #define SK_SEN_UNKNOWN  0
 231 #define SK_SEN_TEMP             1
 232 #define SK_SEN_VOLT             2
 233 #define SK_SEN_FAN              3
 234
 235 /*
 236  * Define for the SenErrorFlag
 237  */
 238 #define SK_SEN_ERR_NOT_PRESENT  0       /* Error Flag: Sensor not present */
 239 #define SK_SEN_ERR_OK                   1       /* Error Flag: O.K. */
 240 #define SK_SEN_ERR_WARN                 2       /* Error Flag: Warning */
 241 #define SK_SEN_ERR_ERR                  3       /* Error Flag: Error */
 242 #define SK_SEN_ERR_FAULTY               4       /* Error Flag: Faulty */
 243
 244 /*
 245  * Define the Sensor struct
 246  */
 247 struct  s_Sensor {
 248         char    *SenDesc;                       /* Description */
 249         int             SenType;                        /* Voltage or Temperature */
 250         SK_I32  SenValue;                       /* Current value of the sensor */
 251         SK_I32  SenThreErrHigh;         /* High error Threshhold of this sensor */
 252         SK_I32  SenThreWarnHigh;        /* High warning Threshhold of this sensor */
 253         SK_I32  SenThreErrLow;          /* Lower error Threshold of the sensor */
 254         SK_I32  SenThreWarnLow;         /* Lower warning Threshold of the sensor */
 255         int             SenErrFlag;                     /* Sensor indicated an error */
 256         SK_BOOL SenInit;                        /* Is sensor initialized ? */
 257         SK_U64  SenErrCts;                      /* Error  trap counter */
 258         SK_U64  SenWarnCts;                     /* Warning trap counter */
 259         SK_U64  SenBegErrTS;            /* Begin error timestamp */
 260         SK_U64  SenBegWarnTS;           /* Begin warning timestamp */
 261         SK_U64  SenLastErrTrapTS;       /* Last error trap timestamp */
 262         SK_U64  SenLastErrLogTS;        /* Last error log timestamp */
 263         SK_U64  SenLastWarnTrapTS;      /* Last warning trap timestamp */
 264         SK_U64  SenLastWarnLogTS;       /* Last warning log timestamp */
 265         int             SenState;                       /* Sensor State (see HW specific include) */
 266         int             (*SenRead)(SK_AC *pAC, SK_IOC IoC, struct s_Sensor *pSen);
 267                                                                 /* Sensors read function */
 268         SK_U16  SenReg;                         /* Register Address for this sensor */
 269         SK_U8   SenDev;                         /* Device Selection for this sensor */
 270 };
 271
 272 typedef struct  s_I2c {
 273         SK_SENSOR       SenTable[SK_MAX_SENSORS];       /* Sensor Table */
 274         int                     CurrSens;       /* Which sensor is currently queried */
 275         int                     MaxSens;        /* Max. number of sensors */
 276         int                     TimerMode;      /* Use the timer also to watch the state machine */
 277         int                     InitLevel;      /* Initialized Level */
 278 #ifndef SK_DIAG
 279         int                     DummyReads;     /* Number of non-checked dummy reads */
 280         SK_TIMER        SenTimer;       /* Sensors timer */
 281 #endif /* !SK_DIAG */
 282 } SK_I2C;
 283
 284 extern int SkI2cReadSensor(SK_AC *pAC, SK_IOC IoC, SK_SENSOR *pSen);
 285 #ifndef SK_DIAG
 286 extern int SkI2cEvent(SK_AC *pAC, SK_IOC IoC, SK_U32 Event, SK_EVPARA Para);
 287 extern int SkI2cInit(SK_AC *pAC, SK_IOC IoC, int Level);
 288 extern void SkI2cWaitIrq(SK_AC *pAC, SK_IOC IoC);
 289 extern void SkI2cIsr(SK_AC *pAC, SK_IOC IoC);
 290
 291 #endif
 292 #endif /* n_SKI2C_H */