util/superiotool/infineon.c

   1 /*
   2  * This file is part of the superiotool project.
   3  *
   4  * Copyright (C) 2011 Jonathan A. Kollasch <jakllsch@kollasch.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include "superiotool.h"
  22
  23 #define DEVICE_ID_REG           0x20
  24 #define DEVICE_REV_REG          0x21
  25
  26 static const struct superio_registers reg_table[] = {
  27         {0x0b, "SLB9635TT12", {
  28                 {NOLDN, NULL,
  29                         {0x20,0x21,0x26,0x27,EOT},
  30                         {0x0b,0x00,NANA,NANA,EOT}},
  31                 {0, NULL,
  32                         {0x30,0x38,0x60,0x61,0x70,0x71,0xf1,0xf2,0xf3,0xf4,0xf5,EOT},
  33                         {0x00,0x00,NANA,NANA,0x00,0x02,0xd1,0x15,0x0b,0x00,NANA,EOT}},
  34                 {EOT}}},
  35         {EOT}
  36 };
  37
  38 /* same as some SMSC */
  39 static void enter_conf_mode_infineon(uint16_t port)
  40 {
  41         OUTB(0x55, port);
  42 }
  43
  44 static void exit_conf_mode_infineon(uint16_t port)
  45 {
  46         OUTB(0xaa, port);
  47 }
  48
  49 void probe_idregs_infineon(uint16_t port)
  50 {
  51         uint8_t rev, devid;
  52
  53         probing_for("Infineon", "", port);
  54
  55         enter_conf_mode_infineon(port);
  56
  57         devid = regval(port, DEVICE_ID_REG);
  58         rev = regval(port, DEVICE_REV_REG);
  59
  60         if (superio_unknown(reg_table, devid)) {
  61                 if (verbose)
  62                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
  63                 exit_conf_mode_infineon(port);
  64                 return;
  65         }
  66
  67         /* Attempt to prevent false matches on SMSC FDC37N972, see smsc.c */
  68         if (((regval(port, 0x27)<<8)|regval(port, 0x26)) != port) {
  69                 if (verbose)
  70                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
  71                 exit_conf_mode_infineon(port);
  72                 return;
  73         }
  74
  75         printf("Found Infineon %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
  76                get_superio_name(reg_table, devid), devid, rev, port);
  77         chip_found = 1;
  78
  79         dump_superio("Infineon", reg_table, port, devid, LDN_SEL);
  80
  81         exit_conf_mode_infineon(port);
  82 }
  83
  84 void print_infineon_chips(void)
  85 {
  86         print_vendor_chips("Infineon", reg_table);
  87 }