diff options
Diffstat (limited to 'drivers/sk98lin/sklm80.c')
| -rw-r--r-- | drivers/sk98lin/sklm80.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/drivers/sk98lin/sklm80.c b/drivers/sk98lin/sklm80.c deleted file mode 100644 index 687572b..0000000 --- a/drivers/sk98lin/sklm80.c +++ /dev/null @@ -1,292 +0,0 @@ -/****************************************************************************** - * - * Name: sklm80.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.20 $ - * Date: $Date: 2002/08/13 09:16:27 $ - * Purpose: Funktions to access Voltage and Temperature Sensor (LM80) - * - ******************************************************************************/ - -/****************************************************************************** - * - * (C)Copyright 1998-2002 SysKonnect GmbH. - * - * 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. - * - ******************************************************************************/ - -/****************************************************************************** - * - * History: - * - * $Log: sklm80.c,v $ - * Revision 1.20 2002/08/13 09:16:27 rschmidt - * Changed return value for SkLm80ReadSensor() back to 'int' - * Editorial changes - * - * Revision 1.19 2002/08/06 09:43:31 jschmalz - * Extensions and changes for Yukon - * - * Revision 1.18 2002/08/02 12:26:57 rschmidt - * Editorial changes - * - * Revision 1.17 1999/11/22 13:35:51 cgoos - * Changed license header to GPL. - * - * Revision 1.16 1999/05/27 14:05:47 malthoff - * Fans: Set SenVal to 0 if the fan value is 0 or 0xff. Both values - * are outside the limits (0: div zero error, 0xff: value not in - * range, assume 0). - * - * Revision 1.15 1999/05/27 13:38:51 malthoff - * Pervent from Division by zero errors. - * - * Revision 1.14 1999/05/20 09:20:01 cgoos - * Changes for 1000Base-T (Fan sensors). - * - * Revision 1.13 1998/10/22 09:48:14 gklug - * fix: SysKonnectFileId typo - * - * Revision 1.12 1998/10/09 06:12:06 malthoff - * Remove ID_sccs by SysKonnectFileId. - * - * Revision 1.11 1998/09/04 08:33:48 malthoff - * bug fix: SenState = SK_SEN_IDLE when - * leaving SK_SEN_VALEXT state - * - * Revision 1.10 1998/08/20 12:02:10 gklug - * fix: compiler warnings type mismatch - * - * Revision 1.9 1998/08/20 11:37:38 gklug - * chg: change Ioc to IoC - * - * Revision 1.8 1998/08/19 12:20:58 gklug - * fix: remove struct from C files (see CCC) - * - * Revision 1.7 1998/08/17 07:04:57 malthoff - * Take SkLm80RcvReg() function from ski2c.c. - * Add IoC parameter to BREAK_OR_WAIT() macro. - * - * Revision 1.6 1998/08/14 07:11:28 malthoff - * remove pAc with pAC. - * - * Revision 1.5 1998/08/14 06:46:55 gklug - * fix: temperature can get negative - * - * Revision 1.4 1998/08/13 08:27:04 gklug - * add: temperature reading now o.k. - * fix: pSen declaration, SK_ERR_LOG call, ADDR macro - * - * Revision 1.3 1998/08/13 07:28:21 gklug - * fix: pSen was wrong initialized - * add: correct conversion for voltage readings - * - * Revision 1.2 1998/08/11 07:52:14 gklug - * add: Lm80 read sensor function - * - * Revision 1.1 1998/07/17 09:57:12 gklug - * initial version - * - * - * - ******************************************************************************/ - - -#include <config.h> - -#ifdef CONFIG_SK98 - -/* - LM80 functions -*/ -static const char SysKonnectFileId[] = - "$Id: sklm80.c,v 1.20 2002/08/13 09:16:27 rschmidt Exp $" ; - -#include "h/skdrv1st.h" /* Driver Specific Definitions */ -#include "h/lm80.h" -#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */ - -#ifdef SK_DIAG -#define BREAK_OR_WAIT(pAC,IoC,Event) SkI2cWait(pAC,IoC,Event) -#else /* nSK_DIAG */ -#define BREAK_OR_WAIT(pAC,IoC,Event) break -#endif /* nSK_DIAG */ - -#ifdef SK_DIAG -/* - * read the register 'Reg' from the device 'Dev' - * - * return read error -1 - * success the read value - */ -int SkLm80RcvReg( -SK_IOC IoC, /* Adapter Context */ -int Dev, /* I2C device address */ -int Reg) /* register to read */ -{ - int Val = 0; - int TempExt; - - /* Signal device number */ - if (SkI2cSndDev(IoC, Dev, I2C_WRITE)) { - return(-1); - } - - if (SkI2cSndByte(IoC, Reg)) { - return(-1); - } - - /* repeat start */ - if (SkI2cSndDev(IoC, Dev, I2C_READ)) { - return(-1); - } - - switch (Reg) { - case LM80_TEMP_IN: - Val = (int)SkI2cRcvByte(IoC, 1); - - /* First: correct the value: it might be negative */ - if ((Val & 0x80) != 0) { - /* Value is negative */ - Val = Val - 256; - } - Val = Val * SK_LM80_TEMP_LSB; - SkI2cStop(IoC); - - TempExt = (int)SkLm80RcvReg(IoC, LM80_ADDR, LM80_TEMP_CTRL); - - if (Val > 0) { - Val += ((TempExt >> 7) * SK_LM80_TEMPEXT_LSB); - } - else { - Val -= ((TempExt >> 7) * SK_LM80_TEMPEXT_LSB); - } - return(Val); - break; - case LM80_VT0_IN: - case LM80_VT1_IN: - case LM80_VT2_IN: - case LM80_VT3_IN: - Val = (int)SkI2cRcvByte(IoC, 1) * SK_LM80_VT_LSB; - break; - - default: - Val = (int)SkI2cRcvByte(IoC, 1); - break; - } - - SkI2cStop(IoC); - return(Val); -} -#endif /* SK_DIAG */ - -/* - * 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, 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, 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); -} - -#endif /* CONFIG_SK98 */ |