Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Name: ski2c.h |
| 4 | * Project: Gigabit Ethernet Adapters, TWSI-Module |
| 5 | * Version: $Revision: 1.35 $ |
| 6 | * Date: $Date: 2003/10/20 09:06:30 $ |
| 7 | * Purpose: Defines to access Voltage and Temperature Sensor |
| 8 | * |
| 9 | ******************************************************************************/ |
| 10 | |
| 11 | /****************************************************************************** |
| 12 | * |
| 13 | * (C)Copyright 1998-2002 SysKonnect. |
| 14 | * (C)Copyright 2002-2003 Marvell. |
| 15 | * |
| 16 | * This program is free software; you can redistribute it and/or modify |
| 17 | * it under the terms of the GNU General Public License as published by |
| 18 | * the Free Software Foundation; either version 2 of the License, or |
| 19 | * (at your option) any later version. |
| 20 | * |
| 21 | * The information in this file is provided "AS IS" without warranty. |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | |
| 25 | /* |
| 26 | * SKI2C.H contains all I2C specific defines |
| 27 | */ |
| 28 | |
| 29 | #ifndef _SKI2C_H_ |
| 30 | #define _SKI2C_H_ |
| 31 | |
| 32 | typedef struct s_Sensor SK_SENSOR; |
| 33 | |
| 34 | #include "h/skgei2c.h" |
| 35 | |
| 36 | /* |
| 37 | * Define the I2C events. |
| 38 | */ |
| 39 | #define SK_I2CEV_IRQ 1 /* IRQ happened Event */ |
| 40 | #define SK_I2CEV_TIM 2 /* Timeout event */ |
| 41 | #define SK_I2CEV_CLEAR 3 /* Clear MIB Values */ |
| 42 | |
| 43 | /* |
| 44 | * Define READ and WRITE Constants. |
| 45 | */ |
| 46 | #define I2C_READ 0 |
| 47 | #define I2C_WRITE 1 |
| 48 | #define I2C_BURST 1 |
| 49 | #define I2C_SINGLE 0 |
| 50 | |
| 51 | #define SKERR_I2C_E001 (SK_ERRBASE_I2C+0) |
| 52 | #define SKERR_I2C_E001MSG "Sensor index unknown" |
| 53 | #define SKERR_I2C_E002 (SKERR_I2C_E001+1) |
| 54 | #define SKERR_I2C_E002MSG "TWSI: transfer does not complete" |
| 55 | #define SKERR_I2C_E003 (SKERR_I2C_E002+1) |
| 56 | #define SKERR_I2C_E003MSG "LM80: NAK on device send" |
| 57 | #define SKERR_I2C_E004 (SKERR_I2C_E003+1) |
| 58 | #define SKERR_I2C_E004MSG "LM80: NAK on register send" |
| 59 | #define SKERR_I2C_E005 (SKERR_I2C_E004+1) |
| 60 | #define SKERR_I2C_E005MSG "LM80: NAK on device (2) send" |
| 61 | #define SKERR_I2C_E006 (SKERR_I2C_E005+1) |
| 62 | #define SKERR_I2C_E006MSG "Unknown event" |
| 63 | #define SKERR_I2C_E007 (SKERR_I2C_E006+1) |
| 64 | #define SKERR_I2C_E007MSG "LM80 read out of state" |
| 65 | #define SKERR_I2C_E008 (SKERR_I2C_E007+1) |
| 66 | #define SKERR_I2C_E008MSG "Unexpected sensor read completed" |
| 67 | #define SKERR_I2C_E009 (SKERR_I2C_E008+1) |
| 68 | #define SKERR_I2C_E009MSG "WARNING: temperature sensor out of range" |
| 69 | #define SKERR_I2C_E010 (SKERR_I2C_E009+1) |
| 70 | #define SKERR_I2C_E010MSG "WARNING: voltage sensor out of range" |
| 71 | #define SKERR_I2C_E011 (SKERR_I2C_E010+1) |
| 72 | #define SKERR_I2C_E011MSG "ERROR: temperature sensor out of range" |
| 73 | #define SKERR_I2C_E012 (SKERR_I2C_E011+1) |
| 74 | #define SKERR_I2C_E012MSG "ERROR: voltage sensor out of range" |
| 75 | #define SKERR_I2C_E013 (SKERR_I2C_E012+1) |
| 76 | #define SKERR_I2C_E013MSG "ERROR: couldn't init sensor" |
| 77 | #define SKERR_I2C_E014 (SKERR_I2C_E013+1) |
| 78 | #define SKERR_I2C_E014MSG "WARNING: fan sensor out of range" |
| 79 | #define SKERR_I2C_E015 (SKERR_I2C_E014+1) |
| 80 | #define SKERR_I2C_E015MSG "ERROR: fan sensor out of range" |
| 81 | #define SKERR_I2C_E016 (SKERR_I2C_E015+1) |
| 82 | #define SKERR_I2C_E016MSG "TWSI: active transfer does not complete" |
| 83 | |
| 84 | /* |
| 85 | * Define Timeout values |
| 86 | */ |
| 87 | #define SK_I2C_TIM_LONG 2000000L /* 2 seconds */ |
| 88 | #define SK_I2C_TIM_SHORT 100000L /* 100 milliseconds */ |
| 89 | #define SK_I2C_TIM_WATCH 1000000L /* 1 second */ |
| 90 | |
| 91 | /* |
| 92 | * Define trap and error log hold times |
| 93 | */ |
| 94 | #ifndef SK_SEN_ERR_TR_HOLD |
| 95 | #define SK_SEN_ERR_TR_HOLD (4*SK_TICKS_PER_SEC) |
| 96 | #endif |
| 97 | #ifndef SK_SEN_ERR_LOG_HOLD |
| 98 | #define SK_SEN_ERR_LOG_HOLD (60*SK_TICKS_PER_SEC) |
| 99 | #endif |
| 100 | #ifndef SK_SEN_WARN_TR_HOLD |
| 101 | #define SK_SEN_WARN_TR_HOLD (15*SK_TICKS_PER_SEC) |
| 102 | #endif |
| 103 | #ifndef SK_SEN_WARN_LOG_HOLD |
| 104 | #define SK_SEN_WARN_LOG_HOLD (15*60*SK_TICKS_PER_SEC) |
| 105 | #endif |
| 106 | |
| 107 | /* |
| 108 | * Defines for SenType |
| 109 | */ |
| 110 | #define SK_SEN_UNKNOWN 0 |
| 111 | #define SK_SEN_TEMP 1 |
| 112 | #define SK_SEN_VOLT 2 |
| 113 | #define SK_SEN_FAN 3 |
| 114 | |
| 115 | /* |
| 116 | * Define for the SenErrorFlag |
| 117 | */ |
| 118 | #define SK_SEN_ERR_NOT_PRESENT 0 /* Error Flag: Sensor not present */ |
| 119 | #define SK_SEN_ERR_OK 1 /* Error Flag: O.K. */ |
| 120 | #define SK_SEN_ERR_WARN 2 /* Error Flag: Warning */ |
| 121 | #define SK_SEN_ERR_ERR 3 /* Error Flag: Error */ |
| 122 | #define SK_SEN_ERR_FAULTY 4 /* Error Flag: Faulty */ |
| 123 | |
| 124 | /* |
| 125 | * Define the Sensor struct |
| 126 | */ |
| 127 | struct s_Sensor { |
| 128 | char *SenDesc; /* Description */ |
| 129 | int SenType; /* Voltage or Temperature */ |
| 130 | SK_I32 SenValue; /* Current value of the sensor */ |
| 131 | SK_I32 SenThreErrHigh; /* High error Threshhold of this sensor */ |
| 132 | SK_I32 SenThreWarnHigh; /* High warning Threshhold of this sensor */ |
| 133 | SK_I32 SenThreErrLow; /* Lower error Threshold of the sensor */ |
| 134 | SK_I32 SenThreWarnLow; /* Lower warning Threshold of the sensor */ |
| 135 | int SenErrFlag; /* Sensor indicated an error */ |
| 136 | SK_BOOL SenInit; /* Is sensor initialized ? */ |
| 137 | SK_U64 SenErrCts; /* Error trap counter */ |
| 138 | SK_U64 SenWarnCts; /* Warning trap counter */ |
| 139 | SK_U64 SenBegErrTS; /* Begin error timestamp */ |
| 140 | SK_U64 SenBegWarnTS; /* Begin warning timestamp */ |
| 141 | SK_U64 SenLastErrTrapTS; /* Last error trap timestamp */ |
| 142 | SK_U64 SenLastErrLogTS; /* Last error log timestamp */ |
| 143 | SK_U64 SenLastWarnTrapTS; /* Last warning trap timestamp */ |
| 144 | SK_U64 SenLastWarnLogTS; /* Last warning log timestamp */ |
| 145 | int SenState; /* Sensor State (see HW specific include) */ |
| 146 | int (*SenRead)(SK_AC *pAC, SK_IOC IoC, struct s_Sensor *pSen); |
| 147 | /* Sensors read function */ |
| 148 | SK_U16 SenReg; /* Register Address for this sensor */ |
| 149 | SK_U8 SenDev; /* Device Selection for this sensor */ |
| 150 | }; |
| 151 | |
| 152 | typedef struct s_I2c { |
| 153 | SK_SENSOR SenTable[SK_MAX_SENSORS]; /* Sensor Table */ |
| 154 | int CurrSens; /* Which sensor is currently queried */ |
| 155 | int MaxSens; /* Max. number of sensors */ |
| 156 | int TimerMode; /* Use the timer also to watch the state machine */ |
| 157 | int InitLevel; /* Initialized Level */ |
| 158 | #ifndef SK_DIAG |
| 159 | int DummyReads; /* Number of non-checked dummy reads */ |
| 160 | SK_TIMER SenTimer; /* Sensors timer */ |
| 161 | #endif /* !SK_DIAG */ |
| 162 | } SK_I2C; |
| 163 | |
| 164 | extern int SkI2cInit(SK_AC *pAC, SK_IOC IoC, int Level); |
| 165 | extern int SkI2cWrite(SK_AC *pAC, SK_IOC IoC, SK_U32 Data, int Dev, int Size, |
| 166 | int Reg, int Burst); |
| 167 | extern int SkI2cReadSensor(SK_AC *pAC, SK_IOC IoC, SK_SENSOR *pSen); |
| 168 | #ifdef SK_DIAG |
| 169 | extern SK_U32 SkI2cRead(SK_AC *pAC, SK_IOC IoC, int Dev, int Size, int Reg, |
| 170 | int Burst); |
| 171 | #else /* !SK_DIAG */ |
| 172 | extern int SkI2cEvent(SK_AC *pAC, SK_IOC IoC, SK_U32 Event, SK_EVPARA Para); |
| 173 | extern void SkI2cWaitIrq(SK_AC *pAC, SK_IOC IoC); |
| 174 | extern void SkI2cIsr(SK_AC *pAC, SK_IOC IoC); |
| 175 | #endif /* !SK_DIAG */ |
| 176 | #endif /* n_SKI2C_H */ |
| 177 | |