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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2007 Carl-Daniel Hailfinger
*
* 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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 "superiotool.h"
/* Command line options. */
int dump = 0, verbose = 0;
uint8_t regval(uint16_t port, uint8_t reg)
{
outb(reg, port);
return inb(port + 1);
}
void regwrite(uint16_t port, uint8_t reg, uint8_t val)
{
outb(reg, port);
outb(val, port + 1);
}
int superio_unknown(const struct superio_registers reg_table[], uint16_t id)
{
return !strncmp(get_superio_name(reg_table, id), "<unknown>", 9);
}
const char *get_superio_name(const struct superio_registers reg_table[],
uint16_t id)
{
int i;
for (i = 0; /* Nothing */; i++) {
if (reg_table[i].superio_id == EOT)
break;
if ((uint16_t)reg_table[i].superio_id != id)
continue;
return reg_table[i].name;
}
return "<unknown>";
}
void dump_superio(const char *vendor, const struct superio_registers reg_table[],
uint16_t port, uint16_t id)
{
int i, j, k, nodump;
int *idx;
if (!dump)
return;
for (i = 0; /* Nothing */; i++) {
if (reg_table[i].superio_id == EOT)
break;
if ((uint16_t)reg_table[i].superio_id != id)
continue;
nodump = 1;
for (j = 0; /* Nothing */; j++) {
if (reg_table[i].ldn[j].ldn == EOT)
break;
nodump = 0;
if (reg_table[i].ldn[j].ldn != NOLDN) {
printf("Switching to LDN 0x%02x\n",
reg_table[i].ldn[j].ldn);
regwrite(port, 0x07, reg_table[i].ldn[j].ldn);
}
idx = reg_table[i].ldn[j].idx;
printf("idx ");
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
printf("%02x ", idx[k]);
}
printf("\nval ");
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
printf("%02x ", regval(port, idx[k]));
}
printf("\ndef ");
idx = reg_table[i].ldn[j].def;
for (k = 0; /* Nothing */; k++) {
if (idx[k] == EOT)
break;
else if (idx[k] == NANA)
printf("NA ");
else if (idx[k] == RSVD)
printf("RR ");
else if (idx[k] == MISC) /* TODO */
printf("MM ");
else
printf("%02x ", idx[k]);
}
printf("\n");
}
if (nodump)
printf("No dump for %s %s\n", vendor, reg_table[i].name);
}
}
void no_superio_found(uint16_t port) {
if (!verbose)
return;
if (inb(port) == 0xff)
printf("No Super I/O chip found at 0x%04x\n", port);
else
printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
}
int main(int argc, char *argv[])
{
int i, j, opt, option_index;
const static struct option long_options[] = {
{"dump", no_argument, NULL, 'd'},
{"verbose", no_argument, NULL, 'V'},
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "dVvh",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'd':
dump = 1;
break;
case 'V':
verbose = 1;
break;
case 'v':
printf("superiotool %s\n", SUPERIOTOOL_VERSION);
exit(0);
break;
case 'h':
printf("Usage: superiotool [-d] [-V] [-v] [-h]\n");
exit(0);
break;
default:
/* Unknown option. */
exit(1);
break;
}
}
if (iopl(3) < 0) {
perror("iopl");
printf("Superiotool must be run as root.\n");
exit(1);
}
for (i = 0; i < ARRAY_SIZE(superio_ports_table); i++) {
for (j = 0; superio_ports_table[i].ports[j] != EOT; j++)
superio_ports_table[i].probe_idregs(
superio_ports_table[i].ports[j]);
}
return 0;
}
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