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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SMBUS
/* assume SMBus ioctl support, only for FreeBSD */
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <machine/smb.h>
#include "methods.h"
/* SMBus Base Address, global */
int smb_base = 2002; /* arbitrary positive number */
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;
/* SMBus device file name, global */
extern char *smb_devfile;
int smbioctl_readB(int, int);
void smbioctl_writeB(int, int, int);
int smbioctl_readW(int, int);
void smbioctl_writeW(int, int, int);
static int iosmb;
static char buf[128];
#ifndef NO_INCLUDE_SMBIO
static int OpenIO()
{
char byte;
struct smbcmd cmd;
cmd.slave = smb_slave;
cmd.data.byte_ptr = &byte;
if ((iosmb = open(smb_devfile, 000)) < 0) {
strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":open)");
perror(buf);
return -1;
}
/* command Reg:0x47 is not universal for all hardware monitor chips */
#if 0
cmd.cmd = 0x47;
if (ioctl(iosmb, SMB_READB, &cmd) == -1) {
strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":read Reg.0x47)");
perror(buf);
return -1;
}
#endif
return 0;
}
static void CloseIO()
{
close(iosmb);
}
static int ReadByte(int addr)
{
return smbioctl_readB(smb_slave, addr);
}
static void WriteByte(int addr, int value)
{
smbioctl_writeB(smb_slave, addr, value);
}
static int ReadWord(int addr)
{
return smbioctl_readW(smb_slave, addr);
}
static void WriteWord(int addr, int value)
{
smbioctl_writeW(smb_slave, addr, value);
}
static int ReadTemp1()
{
return smbioctl_readW(smb_wbtemp1, smb_wbt1reg);
}
static int ReadTemp2()
{
return smbioctl_readW(smb_wbtemp2, smb_wbt2reg);
}
struct lm_methods method_smb = {
OpenIO,
CloseIO,
ReadByte,
WriteByte,
ReadWord,
WriteWord,
ReadTemp1,
ReadTemp2
};
#endif
/* From here global routines using smb_ioctl */
int smbioctl_readB(int slave, int addr)
{
struct smbcmd cmd;
char ret;
cmd.slave = slave;
cmd.cmd = addr;
cmd.data.byte_ptr = &ret;
if (ioctl(iosmb, SMB_READB, &cmd) == -1) {
/* strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":readbyte)");
perror(buf);
exit(-1); */
ret = 0xFF;
}
return (ret & 0xFF);
}
void smbioctl_writeB(int slave, int addr, int value)
{
struct smbcmd cmd;
cmd.slave = slave;
cmd.cmd = addr;
cmd.data.byte = value;
if (ioctl(iosmb, SMB_WRITEB, &cmd) == -1) {
strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":writebyte)");
perror(buf);
exit(-1);
}
}
int smbioctl_readW(int smb_slave, int addr)
{
struct smbcmd cmd;
short ret;
cmd.slave = smb_slave;
cmd.cmd = addr;
cmd.data.word_ptr = &ret;
if (ioctl(iosmb, SMB_READW, &cmd) == -1) {
/* strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":readword)");
perror(buf);
exit(-1); */
ret = 0xFFFF;
}
return (ret & 0xFFFF);
}
void smbioctl_writeW(int slave, int addr, int value)
{
struct smbcmd cmd;
cmd.slave = slave;
cmd.cmd = addr;
cmd.data.word = value;
if (ioctl(iosmb, SMB_WRITEW, &cmd) == -1) {
strcpy(buf, "ioctl(");
strcat(buf, smb_devfile + 5);
strcat(buf, ":writeword)");
perror(buf);
exit(-1);
}
}
#endif
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