summaryrefslogtreecommitdiff
path: root/drivers/net/sk98lin/sklm80.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/sk98lin/sklm80.c')
-rw-r--r--drivers/net/sk98lin/sklm80.c141
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 @@
-/******************************************************************************
- *
- * Name: sklm80.c
- * Project: Gigabit Ethernet Adapters, TWSI-Module
- * Version: $Revision: 1.22 $
- * Date: $Date: 2003/10/20 09:08:21 $
- * Purpose: Functions to access Voltage and Temperature Sensor (LM80)
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * (C)Copyright 1998-2002 SysKonnect.
- * (C)Copyright 2002-2003 Marvell.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-/*
- LM80 functions
-*/
-#if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM))))
-static const char SysKonnectFileId[] =
- "@(#) $Id: sklm80.c,v 1.22 2003/10/20 09:08:21 rschmidt Exp $ (C) Marvell. ";
-#endif
-
-#include "h/skdrv1st.h" /* Driver Specific Definitions */
-#include "h/lm80.h"
-#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
-
-#define BREAK_OR_WAIT(pAC,IoC,Event) break
-
-/*
- * read a sensors value (LM80 specific)
- *
- * This function reads a sensors value from the I2C sensor chip LM80.
- * The sensor is defined by its index into the sensors database in the struct
- * pAC points to.
- *
- * Returns 1 if the read is completed
- * 0 if the read must be continued (I2C Bus still allocated)
- */
-int SkLm80ReadSensor(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context needed in level 1 and 2 */
-SK_SENSOR *pSen) /* Sensor to be read */
-{
- SK_I32 Value;
-
- switch (pSen->SenState) {
- case SK_SEN_IDLE:
- /* Send address to ADDR register */
- SK_I2C_CTL(IoC, I2C_READ, pSen->SenDev, I2C_025K_DEV, pSen->SenReg, 0);
-
- pSen->SenState = SK_SEN_VALUE ;
- BREAK_OR_WAIT(pAC, IoC, I2C_READ);
-
- case SK_SEN_VALUE:
- /* Read value from data register */
- SK_IN32(IoC, B2_I2C_DATA, ((SK_U32 *)&Value));
-
- Value &= 0xff; /* only least significant byte is valid */
-
- /* Do NOT check the Value against the thresholds */
- /* Checking is done in the calling instance */
-
- if (pSen->SenType == SK_SEN_VOLT) {
- /* Voltage sensor */
- pSen->SenValue = Value * SK_LM80_VT_LSB;
- pSen->SenState = SK_SEN_IDLE ;
- return(1);
- }
-
- if (pSen->SenType == SK_SEN_FAN) {
- if (Value != 0 && Value != 0xff) {
- /* Fan speed counter */
- pSen->SenValue = SK_LM80_FAN_FAKTOR/Value;
- }
- else {
- /* Indicate Fan error */
- pSen->SenValue = 0;
- }
- pSen->SenState = SK_SEN_IDLE ;
- return(1);
- }
-
- /* First: correct the value: it might be negative */
- if ((Value & 0x80) != 0) {
- /* Value is negative */
- Value = Value - 256;
- }
-
- /* We have a temperature sensor and need to get the signed extension.
- * For now we get the extension from the last reading, so in the normal
- * case we won't see flickering temperatures.
- */
- pSen->SenValue = (Value * SK_LM80_TEMP_LSB) +
- (pSen->SenValue % SK_LM80_TEMP_LSB);
-
- /* Send address to ADDR register */
- SK_I2C_CTL(IoC, I2C_READ, pSen->SenDev, I2C_025K_DEV, LM80_TEMP_CTRL, 0);
-
- pSen->SenState = SK_SEN_VALEXT ;
- BREAK_OR_WAIT(pAC, IoC, I2C_READ);
-
- case SK_SEN_VALEXT:
- /* Read value from data register */
- SK_IN32(IoC, B2_I2C_DATA, ((SK_U32 *)&Value));
- Value &= LM80_TEMP_LSB_9; /* only bit 7 is valid */
-
- /* cut the LSB bit */
- pSen->SenValue = ((pSen->SenValue / SK_LM80_TEMP_LSB) *
- SK_LM80_TEMP_LSB);
-
- if (pSen->SenValue < 0) {
- /* Value negative: The bit value must be subtracted */
- pSen->SenValue -= ((Value >> 7) * SK_LM80_TEMPEXT_LSB);
- }
- else {
- /* Value positive: The bit value must be added */
- pSen->SenValue += ((Value >> 7) * SK_LM80_TEMPEXT_LSB);
- }
-
- pSen->SenState = SK_SEN_IDLE ;
- return(1);
-
- default:
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_I2C_E007, SKERR_I2C_E007MSG);
- return(1);
- }
-
- /* Not completed */
- return(0);
-}
-