util/superiotool/ite.c

   1 /*
   2  * This file is part of the superiotool project.
   3  *
   4  * Copyright (C) 2007 Carl-Daniel Hailfinger
   5  * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20  */
  21
  22 #include "superiotool.h"
  23
  24 #define CHIP_ID_BYTE1_REG       0x20
  25 #define CHIP_ID_BYTE2_REG       0x21
  26
  27 #define CHIP_VERSION_REG        0x22
  28
  29 const static struct superio_registers reg_table[] = {
  30         {0x8661, "IT8661F", {
  31                 /* TODO: Needs different init sequence. */
  32                 {NOLDN, NULL,
  33                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x20,0x21,
  34                          0x22,0x23,0x24,EOT},
  35                         {NANA,NANA,NANA,NANA,NANA,NANA,0x00,NANA,0x86,0x61,
  36                          0x00,0x00,0x00,EOT}},
  37                 {0x0, "Floppy",
  38                         {0x30,0x31,0x60,0x61,0x70,0x71,0x74,0xf0,EOT},
  39                         {0x00,0x00,0x03,0xf0,0x06,0x02,0x02,0x00,EOT}},
  40                 {0x1, "COM1",
  41                         {0x30,0x31,0x60,0x61,0x70,0x71,0xf0,EOT},
  42                         {0x00,0x00,0x03,0xf8,0x04,0x02,0x00,EOT}},
  43                 {0x2, "COM2",
  44                         {0x30,0x31,0x60,0x61,0x70,0x71,0xf0,EOT},
  45                         {0x00,0x00,0x02,0xf8,0x03,0x02,0x00,EOT}},
  46                 {0x3, "Parallel port",
  47                         {0x30,0x31,0x60,0x61,0x62,0x63,0x70,0x71,0x74,
  48                          0xf0,EOT},
  49                         {0x00,0x00,0x03,0x78,0x07,0x78,0x07,0x02,0x03,
  50                          0x03,EOT}},
  51                 {0x4, "IR",
  52                         {0x30,0x31,0x60,0x61,0x62,0x63,0x70,0x71,0x72,0x73,
  53                          0x74,0x75,0xf0,EOT},
  54                         {0x00,0x00,0x02,0xe8,0x03,0x00,0x0a,0x02,0x0b,0x02,
  55                          0x01,0x00,0x00,EOT}},
  56                 {0x5, "GPIO",
  57                         {0x25,0x26,0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,
  58                          0x70,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,
  59                          0xf9,0xfa,0xfb,0xfc,EOT},
  60                         {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  61                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  62                          0x00,0x00,0x00,0x00,EOT}},
  63                 {EOT}}},
  64         {0x8702, "IT8702F", {
  65                 {EOT}}},
  66         {0x8705, "IT8705F/AF / IT8700F", {
  67                 {NOLDN, NULL,
  68                         {0x07,0x20,0x21,0x22,0x23,0x24,EOT},
  69                         {NANA,0x87,0x05,0x00,0x00,NANA,EOT}},
  70                 {0x0, "Floppy",
  71                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
  72                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
  73                 {0x1, "COM1",
  74                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  75                         {0x00,0x03,0xf8,0x04,0x00,EOT}},
  76                 {0x2, "COM2",
  77                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
  78                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
  79                 {0x3, "Parallel port",
  80                         {0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x74,
  81                          0xf0,EOT},
  82                         {0x00,0x03,0x78,0x07,0x78,0x00,0x80,0x07,0x03,
  83                          0x03,EOT}},
  84                 {0x4, "Environment controller",
  85                         {0x2b,0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,
  86                          0xf3,0xf4,0xf5,0xf6,EOT},
  87                         {0x00,0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,
  88                          0x00,0x00,NANA,NANA,EOT}},
  89                 {0x5, "GPIO",
  90                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x60,0x61,0x62,0x63,
  91                          0x64,0x65,0x70,0x71,0x72,0xb0,0xb1,0xb2,0xb3,0xb4,
  92                          0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xc0,0xc1,0xc2,
  93                          0xc3,0xc4,0xc5,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xd0,
  94                          0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xd8,0xd9,0xda,0xf0,
  95                          0xf1,0xf2,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,
  96                          0xfd,0xfe,0xff,EOT},
  97                         {0x00,0x00,0x00,0xff,0xe0,0xff,0x00,0x00,0x00,0x00,
  98                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  99                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 100                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 101                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 102                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 103                          0x00,NANA,0x00,EOT}},
 104                 {0x6, "Game port",
 105                         {0x30,0x60,0x61,EOT},
 106                         {0x00,0x02,0x01,EOT}},
 107                 {0x7, "Consumer IR",
 108                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 109                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
 110                 {0x8, "MIDI port",
 111                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 112                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
 113                 {EOT}}},
 114         {0x8706, "IT8706R", {   /* TODO: Not yet in sensors-detect */
 115                 /* This is a "Special General Purpose I/O chip". */
 116                 {EOT}}},
 117         {0x8708, "IT8708F", {
 118                 {NOLDN, NULL,
 119                         {0x07,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
 120                          0x29,0x2a,0x2e,0x2f,EOT},
 121                         {NANA,0x87,0x08,0x00,0x00,NANA,0x3f,0x00,0xff,0xff,
 122                          0xff,0xff,0x00,0x00,EOT}},
 123                 {0x0, "Floppy",
 124                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 125                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
 126                 {0x1, "COM1",
 127                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 128                         {0x00,0x03,0xf8,0x04,0x00,EOT}},
 129                 {0x2, "COM2",
 130                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 131                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
 132                 {0x3, "Parallel port",
 133                         {0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x74,
 134                          0xf0,EOT},
 135                         {0x00,0x03,0x78,0x07,0x78,0x00,0x80,0x07,0x03,
 136                          0x03,EOT}},
 137                 {0x4, "SWC",
 138                         {0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
 139                          0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,EOT},
 140                         {NANA,NANA,0x00,0x00,0x00,0x00,0x00,0x00,
 141                          0x00,0x00,0x00,0x00,0x00,NANA,NANA,EOT}},
 142                 {0x5, "Keyboard",
 143                         /* Note: 0x30 can actually be 0x00 _or_ 0x01. */
 144                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
 145                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
 146                 {0x6, "Mouse",
 147                         {0x30,0x70,0x71,0xf0,EOT},
 148                         {0x00,0x0c,0x02,0x00,EOT}},
 149                 {0x7, "GPIO",
 150                         {0x70,0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,
 151                          0xbb,0xbc,0xbd,0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc8,
 152                          0xc9,0xca,0xcb,0xcc,0xcd,0xd0,0xd1,0xd2,0xd3,0xd4,
 153                          0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xf0,0xf1,
 154                          0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
 155                          0xfc,EOT},
 156                         {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 157                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 158                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 159                          0x00,0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x00,0x00,
 160                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,
 161                          0x00,EOT}},
 162                 {0x8, "Game port",
 163                         {0x30,0x60,0x61,EOT},
 164                         {0x00,0x02,0x01,EOT}},
 165                 {0x9, "Consumer IR",
 166                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 167                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
 168                 {0xa, "MIDI port",
 169                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 170                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
 171                 {EOT}}},
 172         {0x8710, "IT8710F", {   /* TODO: Not yet in sensors-detect */
 173                 {EOT}}},
 174         {0x8712, "IT8712F", {
 175                 {NOLDN, NULL,
 176                         {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
 177                         {NANA,0x87,0x12,0x08,0x00,0x00,0x00,EOT}},
 178                 {0x0, "Floppy",
 179                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 180                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
 181                 {0x1, "COM1",
 182                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 183                         {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
 184                 {0x2, "COM2",
 185                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 186                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
 187                 {0x3, "Parallel port",
 188                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
 189                         {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
 190                 {0x4, "Environment controller",
 191                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
 192                          0xf4,0xf5,0xf6,EOT},
 193                         {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
 194                          0x00,NANA,NANA,EOT}},
 195                 {0x5, "Keyboard",
 196                         /* TODO: 0xf0: Error in datasheet? */
 197                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
 198                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x08,EOT}},
 199                 {0x6, "Mouse",
 200                         {0x30,0x70,0x71,0xf0,EOT},
 201                         {0x00,0x0c,0x02,0x00,EOT}},
 202                 {0x7, "GPIO", /* TODO: 0x72, 0x73: Errors in datasheet? */
 203                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
 204                          0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
 205                          0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
 206                          0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
 207                          0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
 208                          0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
 209                         {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
 210                          0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x00,0x00,0x00,
 211                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 212                          0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
 213                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 214                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
 215                 {0x8, "MIDI port",
 216                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 217                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
 218                 {0x9, "Game port",
 219                         {0x30,0x60,0x61,EOT},
 220                         {0x00,0x02,0x01,EOT}},
 221                 {0xa, "Consumer IR",
 222                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 223                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
 224                 {EOT}}},
 225         {0x8716, "IT8716F", {
 226                 {NOLDN, NULL,
 227                         {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
 228                         {NANA,0x87,0x16,0x01,0x00,0x00,0x00,EOT}},
 229                 {0x0, NULL,
 230                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 231                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
 232                 {0x1, NULL,
 233                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 234                         {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
 235                 {0x2, NULL,
 236                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 237                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
 238                 {0x3, NULL,
 239                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
 240                         {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
 241                 {0x4, NULL,
 242                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
 243                          0xf4,0xf5,0xf6,EOT},
 244                         {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
 245                          0x00,NANA,NANA,EOT}},
 246                 {0x5, NULL,
 247                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
 248                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
 249                 {0x6, NULL,
 250                         {0x30,0x70,0x71,0xf0,EOT},
 251                         {0x00,0x0c,0x02,0x00,EOT}},
 252                 {0x7, NULL,
 253                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
 254                          0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
 255                          0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
 256                          0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
 257                          0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
 258                          0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
 259                         {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
 260                          0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
 261                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 262                          0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
 263                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 264                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
 265                 {0x8, NULL,
 266                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 267                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
 268                 {0x9, NULL,
 269                         {0x30,0x60,0x61,EOT},
 270                         {0x00,0x02,0x01,EOT}},
 271                 {0xa, NULL,
 272                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 273                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
 274                 {EOT}}},
 275         {0x8718, "IT8718F", {
 276                 {NOLDN, NULL,
 277                         {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
 278                         {NANA,0x87,0x18,0x01,0x00,0x00,0x00,EOT}},
 279                 {0x0, "Floppy",
 280                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 281                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
 282                 {0x1, "COM1",
 283                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 284                         {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
 285                 {0x2, "COM2",
 286                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
 287                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
 288                 {0x3, "Parallel port",
 289                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
 290                         {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
 291                 {0x4, "Environment controller",
 292                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
 293                          0xf4,0xf5,0xf6,EOT},
 294                         {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
 295                          0x00,NANA,NANA,EOT}},
 296                 {0x5, "Keyboard",
 297                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
 298                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
 299                 {0x6, "Mouse",
 300                         {0x30,0x70,0x71,0xf0,EOT},
 301                         {0x00,0x0c,0x02,0x00,EOT}},
 302                 {0x7, "GPIO",
 303                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
 304                          0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
 305                          0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
 306                          0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
 307                          0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xf0,0xf1,
 308                          0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
 309                          0xfc,0xfd,0xfe,0xff,EOT},
 310                         {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
 311                          0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
 312                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 313                          0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
 314                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 315                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 316                          NANA,0x00,0x00,0x00,EOT}},
 317                 {0xa, "Consumer IR",
 318                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 319                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
 320                 {EOT}}},
 321         {0x8726, "IT8726F", {
 322                 /* Datasheet wrongly says that the ID is 0x8716. */
 323                 {EOT}}},
 324         {EOT}
 325 };
 326
 327 /**
 328  * IT871[01]F and IT8708F use 0x87, 0x87
 329  * IT8761F uses 0x87, 0x61, 0x55, 0x55/0xaa
 330  * IT86xxF series uses different ports
 331  * IT8661F uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes
 332  * IT8673F uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes
 333  */
 334 static void enter_conf_mode_ite(uint16_t port)
 335 {
 336         outb(0x87, port);
 337         outb(0x01, port);
 338         outb(0x55, port);
 339         if (port == 0x2e)
 340                 outb(0x55, port);
 341         else
 342                 outb(0xaa, port);
 343 }
 344
 345 static void exit_conf_mode_ite(uint16_t port)
 346 {
 347         regwrite(port, 0x02, 0x02);
 348 }
 349
 350 static void probe_idregs_ite_helper(const char *init, uint16_t port)
 351 {
 352         uint16_t id, chipver;
 353
 354         probing_for("ITE", init, port);
 355
 356         id = regval(port, CHIP_ID_BYTE1_REG) << 8;
 357         id |= regval(port, CHIP_ID_BYTE2_REG);
 358         chipver = regval(port, CHIP_VERSION_REG) & 0x0f; /* Only bits 3..0 */
 359
 360         if (superio_unknown(reg_table, id)) {
 361                 if (verbose)
 362                         printf(NOTFOUND "id=0x%04x, rev=0x%01x\n", id, chipver);
 363                 exit_conf_mode_ite(port);
 364                 return;
 365         }
 366
 367         printf("Found ITE %s (id=0x%04x, rev=0x%01x) at 0x%x\n",
 368                get_superio_name(reg_table, id), id, chipver, port);
 369         chip_found = 1;
 370
 371         dump_superio("ITE", reg_table, port, id);
 372 }
 373
 374 void probe_idregs_ite(uint16_t port)
 375 {
 376         enter_conf_mode_ite(port);
 377         probe_idregs_ite_helper("(init=0x87,0x01,0x55,0x55/0xaa) ", port);
 378         exit_conf_mode_ite(port);
 379
 380         enter_conf_mode_winbond_fintek_ite_8787(port);
 381         probe_idregs_ite_helper("(init=0x87,0x87) ", port);
 382         exit_conf_mode_winbond_fintek_ite_8787(port);
 383 }
 384