2 * This file is part of the LinuxBIOS project.
4 * Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
5 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
6 * Copyright (C) 2007 Carl-Daniel Hailfinger
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "superiotool.h"
25 /* Command line options. */
26 int dump = 0, verbose = 0;
28 uint8_t regval(uint16_t port, uint8_t reg)
34 void regwrite(uint16_t port, uint8_t reg, uint8_t val)
40 int superio_unknown(const struct superio_registers reg_table[], uint16_t id)
42 return !strncmp(get_superio_name(reg_table, id), "<unknown>", 9);
45 const char *get_superio_name(const struct superio_registers reg_table[],
50 for (i = 0; /* Nothing */; i++) {
51 if (reg_table[i].superio_id == EOT)
54 if ((uint16_t)reg_table[i].superio_id != id)
57 return reg_table[i].name;
63 static void dump_regs(const struct superio_registers reg_table[],
64 int i, int j, uint16_t port)
68 if (reg_table[i].ldn[j].ldn != NOLDN) {
69 printf("LDN 0x%02x ", reg_table[i].ldn[j].ldn);
70 if (reg_table[i].ldn[j].name != NULL)
71 printf("(%s)", reg_table[i].ldn[j].name);
72 regwrite(port, 0x07, reg_table[i].ldn[j].ldn);
74 printf("Register dump:");
77 idx = reg_table[i].ldn[j].idx;
80 for (k = 0; /* Nothing */; k++) {
83 printf("%02x ", idx[k]);
87 for (k = 0; /* Nothing */; k++) {
90 printf("%02x ", regval(port, idx[k]));
94 idx = reg_table[i].ldn[j].def;
95 for (k = 0; /* Nothing */; k++) {
98 else if (idx[k] == NANA)
100 else if (idx[k] == RSVD)
102 else if (idx[k] == MISC) /* TODO */
105 printf("%02x ", idx[k]);
110 void dump_superio(const char *vendor,
111 const struct superio_registers reg_table[],
112 uint16_t port, uint16_t id)
114 int i, j, no_dump_available = 1;
119 for (i = 0; /* Nothing */; i++) {
120 if (reg_table[i].superio_id == EOT)
123 if ((uint16_t)reg_table[i].superio_id != id)
126 for (j = 0; /* Nothing */; j++) {
127 if (reg_table[i].ldn[j].ldn == EOT)
129 no_dump_available = 0;
130 dump_regs(reg_table, i, j, port);
133 if (no_dump_available)
134 printf("No dump available for this Super I/O\n");
138 void no_superio_found(uint16_t port)
143 if (inb(port) == 0xff)
144 printf("No Super I/O chip found at 0x%04x\n", port);
146 printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n",
147 port, inb(port), inb(port + 1));
150 int main(int argc, char *argv[])
152 int i, j, opt, option_index;
154 const static struct option long_options[] = {
155 {"dump", no_argument, NULL, 'd'},
156 {"verbose", no_argument, NULL, 'V'},
157 {"version", no_argument, NULL, 'v'},
158 {"help", no_argument, NULL, 'h'},
162 while ((opt = getopt_long(argc, argv, "dVvh",
163 long_options, &option_index)) != EOF) {
172 printf("superiotool %s\n", SUPERIOTOOL_VERSION);
180 /* Unknown option. */
188 printf("Superiotool must be run as root.\n");
192 for (i = 0; i < ARRAY_SIZE(superio_ports_table); i++) {
193 for (j = 0; superio_ports_table[i].ports[j] != EOT; j++)
194 superio_ports_table[i].probe_idregs(
195 superio_ports_table[i].ports[j]);