Logo Search packages:      
Sourcecode: xmbmon version File versions  Download package

getMB-smb.c

/* SMBus method for accessing Hardware Monitor Chip */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#if !defined(LINUX) && defined(HAVE_SMBUS) && defined(SMBUS_IOCTL)

/* Using SMBus ioctl, need "xxxpm" driver !! */
#include "getMB-smb_ioctl.c"

#else       /* SMBus direct access routines */

#include "methods.h"
#include "smbuses.h"

/* smbus io routine, global */
extern SMBUS_IO *smbus;

/* SMBus Base Address, global */
int smb_base      = -1;
int smb_slave     = LM_ADDR;
int smb_wbtemp1_flag = 1;     /* = 0 if enable */
int smb_wbtemp2_flag = 1;     /* = 0 if eaable */
int smb_wbtemp1   = WBtemp1_ADDR;
int smb_wbtemp2   = WBtemp2_ADDR;
int smb_wbt1reg   = 0x00;
int smb_wbt2reg   = 0x00;

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>

#include "io_static.c"


static int ReadByte(int addr)
{
      int ret;
      ret = smbus->ReadB(smb_base, smb_slave, addr);
      if (ret == -1) {
/*    perror("SMBus ReadB");
            exit(-1); */
            ret = 0xFF;
      }
      return (ret & 0xFF);
}

static void WriteByte(int addr, int value)
{
      if(smbus->WriteB(smb_base, smb_slave, addr, value) == -1) {
            perror("SMBus WriteB");
            exit(-1);
      }
}

static int ReadWord(int addr)
{
      int ret;
      ret = smbus->ReadW(smb_base, smb_slave, addr);
      if (ret == -1) {
/*    perror("SMBus ReadW");
            exit(-1); */
            ret = 0xFFFF;
      }
      return (ret & 0xFFFF);
}

static void WriteWord(int addr, int value)
{
      if(smbus->WriteW(smb_base, smb_slave, addr, value) == -1) {
            perror("SMBus WriteW");
            exit(-1);
      }
}

static int ReadTemp1()
{
      int ret;
      ret = smbus->ReadW(smb_base, smb_wbtemp1, smb_wbt1reg);
      if (ret == -1) {
/*          perror("SMBus ReadW");
            exit(-1); */
            ret = 0xFFFF;
      }
      return (ret & 0xFFFF);
}
static int ReadTemp2()
{
      int ret;
      ret = smbus->ReadW(smb_base, smb_wbtemp2, smb_wbt2reg);
      if (ret == -1) {
/*          perror("SMBus ReadW");
            exit(-1); */
            ret = 0xFFFF;
      }
      return (ret & 0xFFFF);
}

struct lm_methods method_smb = {
      OpenIO,
      CloseIO,
      ReadByte,
      WriteByte,
      ReadWord,
      WriteWord,
      ReadTemp1,
      ReadTemp2
};

#endif

Generated by  Doxygen 1.6.0   Back to index