diff options
Diffstat (limited to 'drivers/net/sk98lin/sklm80.c')
-rw-r--r-- | drivers/net/sk98lin/sklm80.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/drivers/net/sk98lin/sklm80.c b/drivers/net/sk98lin/sklm80.c deleted file mode 100644 index a204f5bb55d4..000000000000 --- a/drivers/net/sk98lin/sklm80.c +++ /dev/null | |||
@@ -1,141 +0,0 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * Name: sklm80.c | ||
4 | * Project: Gigabit Ethernet Adapters, TWSI-Module | ||
5 | * Version: $Revision: 1.22 $ | ||
6 | * Date: $Date: 2003/10/20 09:08:21 $ | ||
7 | * Purpose: Functions to access Voltage and Temperature Sensor (LM80) | ||
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 | LM80 functions | ||
27 | */ | ||
28 | #if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM)))) | ||
29 | static const char SysKonnectFileId[] = | ||
30 | "@(#) $Id: sklm80.c,v 1.22 2003/10/20 09:08:21 rschmidt Exp $ (C) Marvell. "; | ||
31 | #endif | ||
32 | |||
33 | #include "h/skdrv1st.h" /* Driver Specific Definitions */ | ||
34 | #include "h/lm80.h" | ||
35 | #include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */ | ||
36 | |||
37 | #define BREAK_OR_WAIT(pAC,IoC,Event) break | ||
38 | |||
39 | /* | ||
40 | * read a sensors value (LM80 specific) | ||
41 | * | ||
42 | * This function reads a sensors value from the I2C sensor chip LM80. | ||
43 | * The sensor is defined by its index into the sensors database in the struct | ||
44 | * pAC points to. | ||
45 | * | ||
46 | * Returns 1 if the read is completed | ||
47 | * 0 if the read must be continued (I2C Bus still allocated) | ||
48 | */ | ||
49 | int SkLm80ReadSensor( | ||
50 | SK_AC *pAC, /* Adapter Context */ | ||
51 | SK_IOC IoC, /* I/O Context needed in level 1 and 2 */ | ||
52 | SK_SENSOR *pSen) /* Sensor to be read */ | ||
53 | { | ||
54 | SK_I32 Value; | ||
55 | |||
56 | switch (pSen->SenState) { | ||
57 | case SK_SEN_IDLE: | ||
58 | /* Send address to ADDR register */ | ||
59 | SK_I2C_CTL(IoC, I2C_READ, pSen->SenDev, I2C_025K_DEV, pSen->SenReg, 0); | ||
60 | |||
61 | pSen->SenState = SK_SEN_VALUE ; | ||
62 | BREAK_OR_WAIT(pAC, IoC, I2C_READ); | ||
63 | |||
64 | case SK_SEN_VALUE: | ||
65 | /* Read value from data register */ | ||
66 | SK_IN32(IoC, B2_I2C_DATA, ((SK_U32 *)&Value)); | ||
67 | |||
68 | Value &= 0xff; /* only least significant byte is valid */ | ||
69 | |||
70 | /* Do NOT check the Value against the thresholds */ | ||
71 | /* Checking is done in the calling instance */ | ||
72 | |||
73 | if (pSen->SenType == SK_SEN_VOLT) { | ||
74 | /* Voltage sensor */ | ||
75 | pSen->SenValue = Value * SK_LM80_VT_LSB; | ||
76 | pSen->SenState = SK_SEN_IDLE ; | ||
77 | return(1); | ||
78 | } | ||
79 | |||
80 | if (pSen->SenType == SK_SEN_FAN) { | ||
81 | if (Value != 0 && Value != 0xff) { | ||
82 | /* Fan speed counter */ | ||
83 | pSen->SenValue = SK_LM80_FAN_FAKTOR/Value; | ||
84 | } | ||
85 | else { | ||
86 | /* Indicate Fan error */ | ||
87 | pSen->SenValue = 0; | ||
88 | } | ||
89 | pSen->SenState = SK_SEN_IDLE ; | ||
90 | return(1); | ||
91 | } | ||
92 | |||
93 | /* First: correct the value: it might be negative */ | ||
94 | if ((Value & 0x80) != 0) { | ||
95 | /* Value is negative */ | ||
96 | Value = Value - 256; | ||
97 | } | ||
98 | |||
99 | /* We have a temperature sensor and need to get the signed extension. | ||
100 | * For now we get the extension from the last reading, so in the normal | ||
101 | * case we won't see flickering temperatures. | ||
102 | */ | ||
103 | pSen->SenValue = (Value * SK_LM80_TEMP_LSB) + | ||
104 | (pSen->SenValue % SK_LM80_TEMP_LSB); | ||
105 | |||
106 | /* Send address to ADDR register */ | ||
107 | SK_I2C_CTL(IoC, I2C_READ, pSen->SenDev, I2C_025K_DEV, LM80_TEMP_CTRL, 0); | ||
108 | |||
109 | pSen->SenState = SK_SEN_VALEXT ; | ||
110 | BREAK_OR_WAIT(pAC, IoC, I2C_READ); | ||
111 | |||
112 | case SK_SEN_VALEXT: | ||
113 | /* Read value from data register */ | ||
114 | SK_IN32(IoC, B2_I2C_DATA, ((SK_U32 *)&Value)); | ||
115 | Value &= LM80_TEMP_LSB_9; /* only bit 7 is valid */ | ||
116 | |||
117 | /* cut the LSB bit */ | ||
118 | pSen->SenValue = ((pSen->SenValue / SK_LM80_TEMP_LSB) * | ||
119 | SK_LM80_TEMP_LSB); | ||
120 | |||
121 | if (pSen->SenValue < 0) { | ||
122 | /* Value negative: The bit value must be subtracted */ | ||
123 | pSen->SenValue -= ((Value >> 7) * SK_LM80_TEMPEXT_LSB); | ||
124 | } | ||
125 | else { | ||
126 | /* Value positive: The bit value must be added */ | ||
127 | pSen->SenValue += ((Value >> 7) * SK_LM80_TEMPEXT_LSB); | ||
128 | } | ||
129 | |||
130 | pSen->SenState = SK_SEN_IDLE ; | ||
131 | return(1); | ||
132 | |||
133 | default: | ||
134 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_I2C_E007, SKERR_I2C_E007MSG); | ||
135 | return(1); | ||
136 | } | ||
137 | |||
138 | /* Not completed */ | ||
139 | return(0); | ||
140 | } | ||
141 | |||