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 #ifdef SK_DIAG
166 extern SK_U32 SkI2cRead(SK_AC *pAC, SK_IOC IoC, int Dev, int Size, int Reg,
167 int Burst);
168 #else /* !SK_DIAG */
169 extern int SkI2cEvent(SK_AC *pAC, SK_IOC IoC, SK_U32 Event, SK_EVPARA Para);
170 extern void SkI2cWaitIrq(SK_AC *pAC, SK_IOC IoC);
171 extern void SkI2cIsr(SK_AC *pAC, SK_IOC IoC);
172 #endif /* !SK_DIAG */
173 #endif /* n_SKI2C_H */
174
175
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