util/superiotool/smsc.c

   1 /*
   2  * This file is part of the superiotool project.
   3  *
   4  * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
   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_OLD       0x0d
  24 #define DEVICE_REV_REG_OLD      0x0e
  25
  26 #define DEVICE_ID_REG           0x20
  27 #define DEVICE_REV_REG          0x21
  28
  29 static const struct superio_registers reg_table[] = {
  30         /* The following Super I/Os use the 0x20/0x21 ID registers. */
  31         {0x0e, "LPC47N252", {   /* From sensors-detect */
  32                 {EOT}}},
  33         {0x14, "LPC47M172", {
  34                 {EOT}}},
  35         {0x40, "FDC37C67x", {   /* E.g. FDC37C672. Chiprev: 0x01 */
  36                 {EOT}}},
  37         {0x42, "FDC37B80x/FDC37M707", {
  38                 {EOT}}},
  39         {0x09, "FDC37N958FR", { /* Found in e.g. Dell Latitude CPi A366XT. */
  40                 {NOLDN, NULL,
  41                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
  42                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  43                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
  44                          NANA,NANA,NANA,NANA,NANA,EOT}},
  45                 {0x0, "Floppy",
  46                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
  47                          EOT},
  48                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
  49                          EOT}},
  50                 {0x3, "Parallel port",
  51                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
  52                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
  53                 {0x4, "COM1",
  54                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  55                         {0x00,0x00,0x00,0x00,0x00,EOT}},
  56                 {0x5, "COM2",
  57                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
  58                          EOT},
  59                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
  60                          EOT}},
  61                 {0x6, "Real-time clock (RTC)",
  62                         {0x30,0x62,0x63,0x70,0xf0,EOT},
  63                         {0x00,0x00,0x70,0x00,0x00,EOT}},
  64                 {0x7, "Keyboard",
  65                         {0x30,0x70,0x72,0xf0,EOT},
  66                         {0x00,0x00,0x00,0x00,EOT}},
  67                 {0x8, "Aux I/O",
  68                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
  69                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
  70                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
  71                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
  72                          0xf9,0xfa,EOT},
  73                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
  74                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
  75                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
  76                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
  77                          NANA,NANA,EOT}},
  78                 {0xa, "ACPI",
  79                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  80                         {0x00,0x00,0x00,NANA,NANA,EOT}},
  81                 {EOT}}},
  82         {0x44, "FDC37B78x", {
  83                 {NOLDN, NULL,
  84                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
  85                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  86                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
  87                          NANA,NANA,NANA,NANA,NANA,EOT}},
  88                 {0x0, "Floppy",
  89                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
  90                          EOT},
  91                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
  92                          EOT}},
  93                 {0x3, "Parallel port",
  94                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
  95                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
  96                 {0x4, "COM1",
  97                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  98                         {0x00,0x00,0x00,0x00,0x00,EOT}},
  99                 {0x5, "COM2",
 100                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
 101                          EOT},
 102                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
 103                          EOT}},
 104                 {0x6, "Real-time clock (RTC)",
 105                         {0x30,0x62,0x63,0x70,0xf0,EOT},
 106                         {0x00,0x00,0x70,0x00,0x00,EOT}},
 107                 {0x7, "Keyboard",
 108                         {0x30,0x70,0x72,0xf0,EOT},
 109                         {0x00,0x00,0x00,0x00,EOT}},
 110                 {0x8, "Aux I/O",
 111                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
 112                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
 113                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
 114                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
 115                          0xf9,0xfa,EOT},
 116                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
 117                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 118                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 119                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
 120                          NANA,NANA,EOT}},
 121                 {0xa, "ACPI",
 122                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 123                         {0x00,0x00,0x00,NANA,NANA,EOT}},
 124                 {EOT}}},
 125         {0x47, "FDC37M60x", {   /* TODO: Not yet in sensors-detect */
 126                 {EOT}}},
 127         {0x4c, "FDC37B72x", {
 128                 {NOLDN, NULL,
 129                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 130                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 131                         {0x03,NANA,0x4c,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
 132                          NANA,NANA,NANA,NANA,NANA,EOT}},
 133                 {0x0, "Floppy",
 134                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
 135                          EOT},
 136                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
 137                          EOT}},
 138                 {0x3, "Parallel port",
 139                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 140                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 141                 {0x4, "COM1",
 142                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 143                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 144                 {0x5, "COM2",
 145                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 146                         {NANA,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 147                 {0x7, "Keyboard",
 148                         {0x30,0x70,0x72,0xf0,EOT},
 149                         {0x00,0x00,0x00,0x00,EOT}},
 150                 {0x8, "Aux I/O",
 151                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
 152                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
 153                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
 154                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
 155                          0xf9,0xfa,EOT},
 156                         {0x00,NANA,NANA,NANA,NANA,NANA,0x00,0x01,NANA,NANA,
 157                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 158                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 159                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,MISC,NANA,
 160                          NANA,NANA,EOT}},
 161                 {0xa, "ACPI",
 162                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 163                         {0x00,0x00,0x00,NANA,NANA,EOT}},
 164                 {EOT}}},
 165         {0x4d, "FDC37M81x", {
 166                 {NOLDN, NULL,
 167                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,
 168                          0x2c,0x2d,0x2e,0x2f,EOT},
 169                         {0x03,0x00,0x4d,NANA,0x00,0x00,0x04,MISC,MISC,NANA,
 170                          NANA,NANA,NANA,NANA,EOT}},
 171                 {0x0, "Floppy",
 172                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 173                          0xf5,EOT},
 174                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 175                          0x00,EOT}},
 176                 {0x3, "Parallel port",
 177                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 178                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 179                 {0x4, "COM1",
 180                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 181                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 182                 {0x5, "COM2",
 183                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,EOT},
 184                         {0x00,0x00,0x00,RSVD,RSVD,0x00,0x00,0x02,0x03,EOT}},
 185                 {0x7, "Keyboard",
 186                         {0x30,0x70,0x72,0xf0,EOT},
 187                         {0x00,0x00,0x00,0x00,EOT}},
 188                 {0x8, "Aux I/O",
 189                         /* Only 0xf6 existing (and reserved) or 0xf6..0xfb? */
 190                         {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
 191                          0xc5,0xc6,0xc7,0xc8,0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,
 192                          0xf8,0xf9,0xfa,0xfb,EOT},
 193                         {0x00,NANA,NANA,NANA,NANA,0x02,0x01,NANA,NANA,NANA,
 194                          NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,RSVD,RSVD,
 195                          RSVD,RSVD,RSVD,RSVD,EOT}},
 196                 {EOT}}},
 197         {0x51, "LPC47B27x", {
 198                 {EOT}}},
 199         {0x52, "LPC47B37x", {
 200                 {EOT}}},
 201         {0x54, "LPC47U33x", {
 202                 {EOT}}},
 203         {0x56, "LPC47B34x", {
 204                 {EOT}}},
 205         {0x57, "LPC47S42x", {
 206                 {EOT}}},
 207         {0x59, "LPC47M10x/112/13x", {
 208                 {NOLDN, NULL,
 209                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 210                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 211                         {RSVD,0x00,0x59,NANA,0x00,0x00,0x44,MISC,MISC,RSVD,
 212                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 213                 {0x0, "Floppy",
 214                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 215                          0xf5,EOT},
 216                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 217                          0x00,EOT}},
 218                 {0x3, "Parallel port",
 219                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 220                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 221                 {0x4, "COM1",
 222                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 223                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 224                 {0x5, "COM2",
 225                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,
 226                          0xf2,EOT},
 227                         {NANA,0x00,0x00,RSVD,RSVD,0x00,RSVD,0x00,0x02,
 228                          0x03,EOT}},
 229                 {0x7, "Keyboard",
 230                         {0x30,0x70,0x72,0xf0,EOT},
 231                         {0x00,0x00,0x00,0x00,EOT}},
 232                 {0x9, "Game port",
 233                         {0x30,0x60,0x61,EOT},
 234                         {0x00,0x00,0x00,EOT}},
 235                 {0xa, "Power Management Events (PME)",
 236                         {0x30,0x60,0x61,0xf0,0xf1,EOT},
 237                         {0x00,0x00,0x00,NANA,RSVD,EOT}},
 238                 {0xb, "MPU-401",
 239                         {0x30,0x60,0x61,0x70,EOT},
 240                         {0x00,0x03,0x30,0x05,EOT}},
 241                 {EOT}}},
 242         {0x5d, "LPC47B357", {   /* From sensors-detect (no datasheet) */
 243                 {EOT}}},
 244         {0x5f, "LPC47M14x", {
 245                 {EOT}}},
 246         {0x60, "LPC47M15x/192/997", {
 247                 {EOT}}},
 248         {0x62, "LPC47S45x", {
 249                 {EOT}}},
 250         {0x6b, "LPC47M292", {   /* From sensors-detect */
 251                 {EOT}}},
 252         {0x6e, "LPC47B387", {   /* TODO: Not yet in sensors-detect */
 253                 /* Found in the HP Compaq Business Desktop d530 Series */
 254                 /* http://thread.gmane.org/gmane.linux.bios/26648 */
 255                 /* We cannot find a public datasheet for this Super I/O. */
 256                 {EOT}}},
 257         {0x6f, "LPC47B397", {
 258                 {EOT}}},
 259         {0x74, "LPC47M182", {
 260                 {EOT}}},
 261         {0x76, "LPC47M584", {   /* From sensors-detect (no datasheet) */
 262                 {EOT}}},
 263         {0x77, "A8000", {       /* ASUS A8000, a rebranded DME1737(?) */
 264                 {NOLDN, NULL,
 265                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 266                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 267                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
 268                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 269                 {0x0, "Floppy",
 270                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 271                          0xf5,EOT},
 272                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 273                          0x00,EOT}},
 274                 {0x3, "Parallel port",
 275                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 276                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 277                 {0x4, "COM1",
 278                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 279                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 280                 {0x5, "COM2",
 281                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 282                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 283                 {0x7, "Keyboard",
 284                         {0x30,0x70,0x72,0xf0,EOT},
 285                         {0x00,0x00,0x00,0x00,EOT}},
 286                 {0xa, "Runtime registers",
 287                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
 288                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
 289                 {EOT}}},
 290         {0x78, "DME1737", {
 291                 {NOLDN, NULL,
 292                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 293                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 294                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
 295                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 296                 {0x0, "Floppy",
 297                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 298                          0xf5,EOT},
 299                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 300                          0x00,EOT}},
 301                 {0x3, "Parallel port",
 302                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 303                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 304                 {0x4, "COM1",
 305                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 306                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 307                 {0x5, "COM2",
 308                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 309                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 310                 {0x7, "Keyboard",
 311                         {0x30,0x70,0x72,0xf0,EOT},
 312                         {0x00,0x00,0x00,0x00,EOT}},
 313                 {0xa, "Runtime registers",
 314                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
 315                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
 316                 {EOT}}},
 317         {0x79, "SCH5504", {     /* From sensors-detect (no datasheet) */
 318                 {EOT}}},
 319 #if 0
 320         {0x7a, "Unknown", {     /* Found in Toshiba Satellite A80-117. */
 321                 {EOT}}},
 322 #endif
 323         {0x7c, "SCH3112", {
 324                 {EOT}}},
 325         {0x7d, "SCH3114", {
 326                 {EOT}}},
 327         {0x7f, "SCH3116", {
 328                 {EOT}}},
 329         {0x81, "SCH5307", {
 330                 {EOT}}},
 331         {0x85, "SCH5317", {     /* From sensors-detect */
 332                 {EOT}}},
 333         {0x90, "SCH4307", {     /* From sensors-detect */
 334                 {EOT}}},
 335
 336         /* The following Super I/Os use the 0x0d/0x0e ID registers. */
 337         {0x03, "FDC37C669", {
 338                 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
 339                 /* Chiprev: 0x02. */
 340                 {EOT}}},
 341         {0x04, "FDC37C669FR", { /* TODO: Not yet in sensors-detect. */
 342                 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
 343                 {EOT}}},
 344         {0x28, "FDC37N769", {
 345                 /* Init: 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
 346                 {NOLDN, NULL,
 347                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
 348                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
 349                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
 350                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 351                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 352                         {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
 353                          0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
 354                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
 355                          0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
 356                          0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
 357                 {EOT}}},
 358         {0x5a, "LPC47N227", {
 359                 /* Init: 0x55. Exit: 0xaa. Ports: 0x2e/0x4e. */
 360                 {NOLDN, NULL,
 361                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
 362                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
 363                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
 364                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
 365                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,
 366                          0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,EOT},
 367                         {0x28,0x9c,0x08,0x70,0x00,0x00,0xff,0x00,RSVD,0x00,
 368                          0x00,0x00,0x02,0x5a,NANA,0x00,0x00,0x80,MISC,0x00,
 369                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
 370                          RSVD,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 371                          0x00,0x80,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,
 372                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,EOT}},
 373                 {EOT}}},
 374         {0x65, "FDC37C665GT/IR", {
 375                 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. */
 376                 /* Chiprev: 0x02 = FDC37C665GT, 0x82 = FDC37C665IR */
 377                 {EOT}}},
 378         {0x66, "FDC37C666GT", {
 379                 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. Chiprev: 0x02. */
 380                 {EOT}}},
 381         {EOT}
 382 };
 383
 384 static void enter_conf_mode_smsc(uint16_t port)
 385 {
 386         /* Some of the SMSC Super I/Os have an 0x55,0x55 init, some only
 387          * require one 0x55. We do 0x55,0x55 for all of them at the moment,
 388          * in the assumption that the extra 0x55 won't hurt the other
 389          * Super I/Os. This is verified to be true on (at least) the FDC37N769.
 390          */
 391         outb(0x55, port);
 392         outb(0x55, port);
 393 }
 394
 395 static void exit_conf_mode_smsc(uint16_t port)
 396 {
 397         outb(0xaa, port);
 398 }
 399
 400 static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg,
 401                                      uint8_t revreg)
 402 {
 403         uint8_t id, rev;
 404         const char *info = (idreg == 0x20) ? "(idregs=0x20/0x21) "
 405                                            : "(idregs=0x0d/0x0e) ";
 406
 407         probing_for("SMSC", info, port);
 408
 409         enter_conf_mode_smsc(port);
 410
 411         id = regval(port, idreg);
 412         rev = regval(port, revreg);
 413
 414         if (superio_unknown(reg_table, id)) {
 415                 if (verbose)
 416                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", id, rev);
 417                 exit_conf_mode_smsc(port);
 418                 return;
 419         }
 420
 421         printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
 422                (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id),
 423                id, rev, port);
 424         chip_found = 1;
 425
 426         dump_superio((id == 0x77 ? "ASUS" : "SMSC"), reg_table, port, id);
 427
 428         exit_conf_mode_smsc(port);
 429 }
 430
 431 void probe_idregs_smsc(uint16_t port)
 432 {
 433         probe_idregs_smsc_helper(port, DEVICE_ID_REG, DEVICE_REV_REG);
 434         probe_idregs_smsc_helper(port, DEVICE_ID_REG_OLD, DEVICE_REV_REG_OLD);
 435 }