/*- * Copyright (c) 1999-2000 James E. Housley * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: getMBinfo.c,v 1.1.1.13 2000/11/11 18:06:01 housley Exp $ */ /************************************************ Subroutines to get Mother Board Information assuming WinBond chips Information related to WinBond W83781D Chip and National Semiconductor LM78/LM79/LM75 Chips ---------------------------------------------- http://www.euronet.nl/users/darkside/mbmonitor ---------------------------------------------- by Alex van Kaam ************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include "methods.h" #include "parameters.h" #include "healthd.h" extern struct lm_methods method_isa; #ifdef HAVE_SMBUS extern struct lm_methods method_smb; #endif static struct lm_methods *this_method; #define OpenIO() (this_method->Open()); #define CloseIO() (this_method->Close()); #define ReadByte(addr) (this_method->Read((addr))) #define WriteByte(addr, val) (this_method->Write((addr), (val))) /*---------------------- Restarting Chip ----------------------*/ int InitMBInfo(char type) { if(type == 'I') { this_method = &method_isa; } #ifdef HAVE_SMBUS else if(type == 'S'){ this_method = &method_smb; } #endif else { return -1; } return OpenIO(); } int FiniMBInfo(void) { return CloseIO(); } int RstChip(void) { return WriteByte(0x40,0x01); } unsigned int GetVendorID(void) { unsigned int result; /* * First check for WinBond chips */ /* changing to bank 0 */ WriteByte(0x4E, 0x00); /* Select HBACS to get MSW of ID */ WriteByte(0x4E, 0x80); result = ReadByte(0x4F) << 8; /* Clear HBACS to get LSW of ID */ WriteByte(0x4E, 0x00); result += ReadByte(0x4F) & 0x0FF; if (result != 0) return(result); /* * Try LM78/LM79 */ result = ReadByte(0x49); if (result != 0) return(0xFFFF0000 | result); return(result); } unsigned int GetChipID_winbond(void) { unsigned int result; result = ReadByte(0x58); return(result); } /*------------------------------------------- Getting Temperatures (assuming WinBond) -------------------------------------------*/ int getTemp(double *t1, double *t2, double *t3) { int n; /* Force bank 0 */ WriteByte(0x4E, 0); n = ReadByte(0x27); *t1 = n; /* changing to bank 1 */ WriteByte(0x4E, 0x01); n = ReadByte(0x50); if (ReadByte(0x51) == 128) *t2 = n + 0.5; else *t2 = n; /* returning to bank 0 */ WriteByte(0x4E, 0); /* 208 if no connection to thermal chip !*/ if (n > 200) *t2 = 0.0; /* changing to bank 2 */ WriteByte(0x4E, 0x02); n = ReadByte(0x50); if (ReadByte(0x51) == 128) *t3 = n + 0.5; else *t3 = n; /* returning to bank 0 */ WriteByte(0x4E,0); /* 208 if no connection to thermal chip !*/ if (n > 200) *t3=0.0; return 0; } /*------------------------------------------- Getting Voltages (assuming WinBond) -------------------------------------------*/ int getVolt(double *vc0, double *vc1, double *v33,\ double *v50p, double *v50n,\ double *v12p, double *v12n) { unsigned char n; extern enum eChip MonitorType; /* * Each step in the A/D is 16mV */ /* * Vcore0 */ *vc0 = (double)ReadByte(0x20) * 0.016; /* * Vcore1 */ *vc1 = (double)ReadByte(0x21) * 0.016; /* * 3.3Volt */ *v33 = (double)ReadByte(0x22) * 0.016; /* * +5Volt */ n=ReadByte(0x23); *v50p = (double)n * 0.016 * 1.68; /* * +12Volt */ n=ReadByte(0x24); if ((MonitorType == LM78) || (MonitorType == LM79) || (MonitorType == AS99127F)) { /* * LM78 & LM79 */ *v12p = (double)n * 0.016 * 4.00; } else { /* * Winbond W83781D & W83782D */ *v12p = (double)n * 0.016 * 3.80; } /* * -12Volt */ n=ReadByte(0x25) ; if ((MonitorType == LM78) || (MonitorType == LM79) || (MonitorType == AS99127F)) { /* * LM78 & LM79 */ *v12n = - n * 0.016 * 4.00; } else if ((MonitorType == W83781D)) { /* * Winbond W83781D ONLY */ *v12n = - n * 0.016 * 3.47; } else { /* * Winbond W83782D */ *v12n = n * 0.016 * 5.143 - 14.914; } /* * -5Volt */ n=ReadByte(0x26); if ((MonitorType == LM78) || (MonitorType == LM79)) { /* * LM78 & LM79 */ *v50n = - n * 0.016 * 1.6666667; } else if ((MonitorType == W83781D) || (MonitorType == AS99127F)) { /* * Winbond W83781D ONLY */ *v50n = - n * 0.016 * 1.50; } else { /* * Winbond W83782D */ *v50n = n * 0.016 * 3.143 - 7.714; } return 0; } /*---------------------- Getting Fan Speed ----------------------*/ int getFanSp(int *r1, int *r2, int *r3) { /* FanType = 1 for a normal fan FanType = 2 for a fan which gives 2 pulses per rotation */ int FanType1 = 1, FanType2 = 1, FanType3 = 1; int div1, div2, div3 = 2; unsigned char n; n=ReadByte(0x47); div1 = 1 << ((n & 0x30) >> 4); div2 = 1 << ((n & 0xC0) >> 6); n=ReadByte(0x28); if ((n == 255) || (n == 0) || (div1 == 0)) *r1 = 0; else *r1 = 1350000 / (n * div1 * FanType1); n=ReadByte(0x29); if ((n == 255) || (n == 0) || (div2 == 0)) *r2 = 0; else *r2 = 1350000 / (n * div2 * FanType2); n=ReadByte(0x2A); if (n == 255) *r3 = 0; else *r3 = 1350000 / (n * div3 * FanType3); return 0; }