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
  17 #include "superiotool.h"
  18
  19 #define DEVICE_ID_REG           0x20
  20 #define DEVICE_REV_REG          0x21
  21
  22 static const struct superio_registers reg_table[] = {
  23         {0x0b, "SLB9635TT12", {
  24                 {NOLDN, NULL,
  25                         {0x20,0x21,0x26,0x27,EOT},
  26                         {0x0b,0x00,NANA,NANA,EOT}},
  27                 {0, NULL,
  28                         {0x30,0x38,0x60,0x61,0x70,0x71,0xf1,0xf2,0xf3,0xf4,0xf5,EOT},
  29                         {0x00,0x00,NANA,NANA,0x00,0x02,0xd1,0x15,0x0b,0x00,NANA,EOT}},
  30                 {EOT}}},
  31         {EOT}
  32 };
  33
  34 /* same as some SMSC */
  35 static void enter_conf_mode_infineon(uint16_t port)
  36 {
  37         OUTB(0x55, port);
  38 }
  39
  40 static void exit_conf_mode_infineon(uint16_t port)
  41 {
  42         OUTB(0xaa, port);
  43 }
  44
  45 void probe_idregs_infineon(uint16_t port)
  46 {
  47         uint8_t rev, devid;
  48
  49         probing_for("Infineon", "", port);
  50
  51         enter_conf_mode_infineon(port);
  52
  53         devid = regval(port, DEVICE_ID_REG);
  54         rev = regval(port, DEVICE_REV_REG);
  55
  56         if (superio_unknown(reg_table, devid)) {
  57                 if (verbose)
  58                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
  59                 exit_conf_mode_infineon(port);
  60                 return;
  61         }
  62
  63         /* Attempt to prevent false matches on SMSC FDC37N972, see smsc.c */
  64         if (((regval(port, 0x27)<<8)|regval(port, 0x26)) != port) {
  65                 if (verbose)
  66                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev);
  67                 exit_conf_mode_infineon(port);
  68                 return;
  69         }
  70
  71         printf("Found Infineon %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
  72                get_superio_name(reg_table, devid), devid, rev, port);
  73         chip_found = 1;
  74
  75         dump_superio("Infineon", reg_table, port, devid, LDN_SEL);
  76
  77         exit_conf_mode_infineon(port);
  78 }
  79
  80 void print_infineon_chips(void)
  81 {
  82         print_vendor_chips("Infineon", reg_table);
  83 }