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* This file is part of the superiotool project.
* Copyright (C) 2007 Carl-Daniel Hailfinger
* Copyright (C) 2007 Uwe Hermann <>
* Copyright (C) 2008 Robinson P. Tryon <>
* 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <getopt.h>
#include <sys/io.h>
#define USAGE "Usage: superiotool [-d] [-e] [-l] [-V] [-v] [-h]\n\n\
-d | --dump Dump Super I/O register contents\n\
-e | --extra-dump Dump secondary registers too (e.g. EC registers)\n\
-l | --list-supported Show the list of supported Super I/O chips\n\
-V | --verbose Verbose mode\n\
-v | --version Show the superiotool version\n\
-h | --help Show a short help text\n\n"
#define USAGE_INFO "\
Per default (no options) superiotool will just probe for a Super I/O\n\
and print its vendor, name, ID, revision, and config port.\n"
#define NOTFOUND " Failed. Returned data: "
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define EOT -1 /* End Of Table */
#define NOLDN -2 /* NO LDN needed */
#define NANA -3 /* Not Available */
#define RSVD -4 /* Reserved */
#define MISC -5 /* Needs special comment in output */
#define MAXLDN 0x10 /* Biggest LDN */
#define LDNSIZE (MAXLDN + 3) /* Biggest LDN + 0 + NOLDN + EOT */
#define MAXNUMIDX 170 /* Maximum number of indexes */
#define MAXNUMPORTS (6 + 1) /* Maximum number of Super I/O ports */
/* Command line parameters. */
extern int dump, verbose, extra_dump;
extern int chip_found;
struct superio_registers {
int32_t superio_id; /* Signed, as we need EOT. */
const char *name; /* Super I/O name */
struct {
int8_t ldn;
const char *name; /* LDN name */
int16_t idx[IDXSIZE];
int16_t def[IDXSIZE];
} ldn[LDNSIZE];
/* superiotool.c */
uint8_t regval(uint16_t port, uint8_t reg);
void regwrite(uint16_t port, uint8_t reg, uint8_t val);
void enter_conf_mode_winbond_fintek_ite_8787(uint16_t port);
void exit_conf_mode_winbond_fintek_ite_8787(uint16_t port);
int superio_unknown(const struct superio_registers reg_table[], uint16_t id);
const char *get_superio_name(const struct superio_registers reg_table[],
uint16_t id);
void dump_superio(const char *name, const struct superio_registers reg_table[],
uint16_t port, uint16_t id);
void probing_for(const char *vendor, const char *info, uint16_t port);
void print_vendor_chips(const char *vendor,
const struct superio_registers reg_table[]);
/* ali.c */
void probe_idregs_ali(uint16_t port);
void print_ali_chips(void);
/* fintek.c */
void probe_idregs_fintek(uint16_t port);
void print_fintek_chips(void);
/* ite.c */
void probe_idregs_ite(uint16_t port);
void print_ite_chips(void);
/* nsc.c */
void probe_idregs_nsc(uint16_t port);
void print_nsc_chips(void);
/* smsc.c */
void probe_idregs_smsc(uint16_t port);
void print_smsc_chips(void);
/* winbond.c */
void probe_idregs_winbond(uint16_t port);
void print_winbond_chips(void);
/** Table of which config ports to probe for each Super I/O family. */
static const struct {
void (*probe_idregs) (uint16_t port);
int ports[MAXNUMPORTS]; /* Signed, as we need EOT. */
} superio_ports_table[] = {
{probe_idregs_ali, {0x3f0, 0x370, EOT}},
{probe_idregs_fintek, {0x2e, 0x4e, EOT}},
{probe_idregs_ite, {0x2e, 0x4e, EOT}},
{probe_idregs_nsc, {0x2e, 0x4e, EOT}},
{probe_idregs_smsc, {0x2e, 0x4e, 0x162e, 0x164e, 0x3f0, 0x370, EOT}},
{probe_idregs_winbond, {0x2e, 0x4e, 0x3f0, 0x370, 0x250, EOT}},
/** Table of functions to print out supported Super I/O chips. */
static const struct {
void (*print_list) (void);
} vendor_print_functions[] = {