util/superiotool/superiotool.c

   1 /*
   2  * This file is part of the LinuxBIOS project.
   3  *
   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
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  */
  22
  23 #include "superiotool.h"
  24
  25 unsigned char regval(unsigned short port, unsigned char reg)
  26 {
  27         outb(reg, port);
  28         return inb(port + 1);
  29 }
  30
  31 void regwrite(unsigned short port, unsigned char reg, unsigned char val)
  32 {
  33         outb(reg, port);
  34         outb(val, port + 1);
  35 }
  36
  37 void dump_superio(const char *name, const struct superio_registers reg_table[],
  38                   unsigned short port, unsigned short id)
  39 {
  40         int i, j, k;
  41         signed short *idx;
  42
  43         printf("%s ", name);
  44
  45         for (i = 0; /* Nothing */; i++) {
  46                 if (reg_table[i].superio_id == EOT)
  47                         break;
  48
  49                 if ((unsigned short)reg_table[i].superio_id != id)
  50                         continue;
  51
  52                 printf("%s\n", reg_table[i].name);
  53
  54                 for (j = 0;; j++) {
  55                         if (reg_table[i].ldn[j].ldn == EOT)
  56                                 break;
  57
  58                         if (reg_table[i].ldn[j].ldn != NOLDN) {
  59                                 printf("Switching to LDN 0x%01x\n",
  60                                        reg_table[i].ldn[j].ldn);
  61                                 regwrite(port, 0x07,
  62                                          reg_table[i].ldn[j].ldn);
  63                         }
  64
  65                         idx = reg_table[i].ldn[j].idx;
  66
  67                         printf("idx ");
  68                         for (k = 0;; k++) {
  69                                 if (idx[k] == EOT)
  70                                         break;
  71                                 printf("%02x ", idx[k]);
  72                         }
  73
  74                         printf("\nval ");
  75                         for (k = 0;; k++) {
  76                                 if (idx[k] == EOT)
  77                                         break;
  78                                 printf("%02x ", regval(port, idx[k]));
  79                         }
  80
  81                         printf("\ndef ");
  82                         idx = reg_table[i].ldn[j].def;
  83                         for (k = 0;; k++) {
  84                                 if (idx[k] == EOT)
  85                                         break;
  86                                 else if (idx[k] == NANA)
  87                                         printf("NA ");
  88                                 else if (idx[k] == RSVD)
  89                                         printf("RR ");
  90                                 else
  91                                         printf("%02x ", idx[k]);
  92                         }
  93                         printf("\n");
  94                 }
  95         }
  96 }
  97
  98 int main(int argc, char *argv[])
  99 {
 100         if (iopl(3) < 0) {
 101                 perror("iopl");
 102                 exit(1);
 103         }
 104
 105         probe_idregs_simple(0x2e);
 106         probe_idregs_simple(0x4e);
 107
 108         probe_idregs_fintek(0x2e);
 109         probe_idregs_fintek(0x4e);
 110
 111         probe_idregs_ite(0x2e);
 112         probe_idregs_ite(0x4e);
 113
 114         probe_idregs_smsc(0x3f0);
 115         probe_idregs_smsc(0x370);
 116
 117         return 0;
 118 }