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 const static struct superio_registers reg_table[] = {
  30         {0x28, "FDC37N769", {
  31                 {NOLDN, NULL,
  32                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
  33                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
  34                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
  35                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
  36                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  37                         {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
  38                          0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
  39                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
  40                          0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
  41                          0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
  42                 {EOT}}},
  43         {0x42, "FDC37B80x", {
  44                 {EOT}}},
  45         {0x44, "FDC37B78x", {
  46                 {NOLDN, NULL,
  47                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
  48                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  49                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
  50                          NANA,NANA,NANA,NANA,NANA,EOT}},
  51                 {0x0, "Floppy",
  52                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
  53                          EOT},
  54                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
  55                          EOT}},
  56                 {0x3, "Parallel port",
  57                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
  58                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
  59                 {0x4, "COM1",
  60                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  61                         {0x00,0x00,0x00,0x00,0x00,EOT}},
  62                 {0x5, "COM2",
  63                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
  64                          EOT},
  65                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
  66                          EOT}},
  67                 {0x6, "Real-time clock (RTC)",
  68                         {0x30,0x62,0x63,0x70,0xf0,EOT},
  69                         {0x00,0x00,0x70,0x00,0x00,EOT}},
  70                 {0x7, "Keyboard",
  71                         {0x30,0x70,0x72,0xf0,EOT},
  72                         {0x00,0x00,0x00,0x00,EOT}},
  73                 {0x8, "Aux I/O",
  74                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
  75                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
  76                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
  77                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
  78                          0xf9,0xfa,EOT},
  79                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
  80                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
  81                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
  82                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
  83                          NANA,NANA,EOT}},
  84                 {0xa, "ACPI",
  85                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  86                         {0x00,0x00,0x00,NANA,NANA,EOT}},
  87                 {EOT}}},
  88         {0x4c, "FDC37B72x", {
  89                 {NOLDN, NULL,
  90                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
  91                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  92                         {0x03,NANA,0x4c,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
  93                          NANA,NANA,NANA,NANA,NANA,EOT}},
  94                 {0x0, "Floppy",
  95                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
  96                          EOT},
  97                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
  98                          EOT}},
  99                 {0x3, "Parallel port",
 100                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 101                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 102                 {0x4, "COM1",
 103                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 104                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 105                 {0x5, "COM2",
 106                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 107                         {NANA,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 108                 {0x7, "Keyboard",
 109                         {0x30,0x70,0x72,0xf0,EOT},
 110                         {0x00,0x00,0x00,0x00,EOT}},
 111                 {0x8, "Aux I/O",
 112                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
 113                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
 114                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
 115                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
 116                          0xf9,0xfa,EOT},
 117                         {0x00,NANA,NANA,NANA,NANA,NANA,0x00,0x01,NANA,NANA,
 118                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 119                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 120                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,MISC,NANA,
 121                          NANA,NANA,EOT}},
 122                 {0xa, "ACPI",
 123                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 124                         {0x00,0x00,0x00,NANA,NANA,EOT}},
 125                 {EOT}}},
 126         {0x4d, "FDC37M81x", {
 127                 {NOLDN, NULL,
 128                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,
 129                          0x2c,0x2d,0x2e,0x2f,EOT},
 130                         {0x03,0x00,0x4d,NANA,0x00,0x00,0x04,MISC,MISC,NANA,
 131                          NANA,NANA,NANA,NANA,EOT}},
 132                 {0x0, "Floppy",
 133                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 134                          0xf5,EOT},
 135                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 136                          0x00,EOT}},
 137                 {0x3, "Parallel port",
 138                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 139                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 140                 {0x4, "COM1",
 141                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 142                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 143                 {0x5, "COM2",
 144                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,EOT},
 145                         {0x00,0x00,0x00,RSVD,RSVD,0x00,0x00,0x02,0x03,EOT}},
 146                 {0x7, "Keyboard",
 147                         {0x30,0x70,0x72,0xf0,EOT},
 148                         {0x00,0x00,0x00,0x00,EOT}},
 149                 {0x8, "Aux I/O",
 150                         /* Only 0xf6 existing (and reserved) or 0xf6..0xfb? */
 151                         {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
 152                          0xc5,0xc6,0xc7,0xc8,0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,
 153                          0xf8,0xf9,0xfa,0xfb,EOT},
 154                         {0x00,NANA,NANA,NANA,NANA,0x02,0x01,NANA,NANA,NANA,
 155                          NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,RSVD,RSVD,
 156                          RSVD,RSVD,RSVD,RSVD,EOT}},
 157                 {EOT}}},
 158         {0x47, "FDC37M60x", {
 159                 {EOT}}},
 160         {0x51, "LPC47B27x", {
 161                 {EOT}}},
 162         {0x59, "LPC47M10x", {
 163                 {NOLDN, NULL,
 164                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 165                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 166                         {RSVD,0x00,0x59,NANA,0x00,0x00,0x44,MISC,MISC,RSVD,
 167                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 168                 {0x0, "Floppy",
 169                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 170                          0xf5,EOT},
 171                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 172                          0x00,EOT}},
 173                 {0x3, "Parallel port",
 174                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 175                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 176                 {0x4, "COM1",
 177                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 178                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 179                 {0x5, "COM2",
 180                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,
 181                          0xf2,EOT},
 182                         {NANA,0x00,0x00,RSVD,RSVD,0x00,RSVD,0x00,0x02,
 183                          0x03,EOT}},
 184                 {0x7, "Keyboard",
 185                         {0x30,0x70,0x72,0xf0,EOT},
 186                         {0x00,0x00,0x00,0x00,EOT}},
 187                 {0x9, "Game port",
 188                         {0x30,0x60,0x61,EOT},
 189                         {0x00,0x00,0x00,EOT}},
 190                 {0xa, "Power Management Events (PME)",
 191                         {0x30,0x60,0x61,0xf0,0xf1,EOT},
 192                         {0x00,0x00,0x00,NANA,RSVD,EOT}},
 193                 {0xb, "MPU-401",
 194                         {0x30,0x60,0x61,0x70,EOT},
 195                         {0x00,0x03,0x30,0x05,EOT}},
 196                 {EOT}}},
 197         {0x60, "LPC47M15x", {
 198                 {EOT}}},
 199         {0x62, "LPC47S45x", {
 200                 {EOT}}},
 201         {0x6e, "LPC47B387", {
 202                 /* Found in the HP Compaq Business Desktop d530 Series */
 203                 /* http://thread.gmane.org/gmane.linux.bios/26648 */
 204                 /* We cannot find a public datasheet for this Super I/O. */
 205                 {EOT}}},
 206         {0x6f, "LPC47B397", {
 207                 {EOT}}},
 208         {0x77, "A8000", {       /* ASUS A8000, a rebranded DME1737(?) */
 209                 {NOLDN, NULL,
 210                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 211                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 212                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
 213                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 214                 {0x0, "Floppy",
 215                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 216                          0xf5,EOT},
 217                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 218                          0x00,EOT}},
 219                 {0x3, "Parallel port",
 220                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 221                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 222                 {0x4, "COM1",
 223                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 224                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 225                 {0x5, "COM2",
 226                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 227                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 228                 {0x7, "Keyboard",
 229                         {0x30,0x70,0x72,0xf0,EOT},
 230                         {0x00,0x00,0x00,0x00,EOT}},
 231                 {0xa, "Runtime registers",
 232                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
 233                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
 234                 {EOT}}},
 235         {0x78, "DME1737", {
 236                 {NOLDN, NULL,
 237                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
 238                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
 239                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
 240                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 241                 {0x0, "Floppy",
 242                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
 243                          0xf5,EOT},
 244                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
 245                          0x00,EOT}},
 246                 {0x3, "Parallel port",
 247                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
 248                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
 249                 {0x4, "COM1",
 250                         {0x30,0x60,0x61,0x70,0xf0,EOT},
 251                         {0x00,0x00,0x00,0x00,0x00,EOT}},
 252                 {0x5, "COM2",
 253                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 254                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
 255                 {0x7, "Keyboard",
 256                         {0x30,0x70,0x72,0xf0,EOT},
 257                         {0x00,0x00,0x00,0x00,EOT}},
 258                 {0xa, "Runtime registers",
 259                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
 260                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
 261                 {EOT}}},
 262         {0x81, "SCH5307", {
 263                 {EOT}}},
 264         {EOT}
 265 };
 266
 267 static void enter_conf_mode_smsc(uint16_t port)
 268 {
 269         outb(0x55, port);
 270 }
 271
 272 static void exit_conf_mode_smsc(uint16_t port)
 273 {
 274         outb(0xaa, port);
 275 }
 276
 277 static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg,
 278                                      uint8_t revreg)
 279 {
 280         uint8_t id, rev;
 281         const char *info = (idreg == 0x20) ? "(idregs=0x20/0x21) "
 282                                            : "(idregs=0x0d/0x0e) ";
 283
 284         probing_for("SMSC", info, port);
 285
 286         enter_conf_mode_smsc(port);
 287
 288         id = regval(port, idreg);
 289         rev = regval(port, revreg);
 290
 291         if (superio_unknown(reg_table, id)) {
 292                 if (verbose)
 293                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", id, rev);
 294                 exit_conf_mode_smsc(port);
 295                 return;
 296         }
 297
 298         printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
 299                (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id),
 300                id, rev, port);
 301
 302         dump_superio((id == 0x77 ? "ASUS" : "SMSC"), reg_table, port, id);
 303         dump_superio_readable(port); /* TODO */
 304
 305         exit_conf_mode_smsc(port);
 306 }
 307
 308 void probe_idregs_smsc(uint16_t port)
 309 {
 310         probe_idregs_smsc_helper(port, DEVICE_ID_REG, DEVICE_REV_REG);
 311         probe_idregs_smsc_helper(port, DEVICE_ID_REG_OLD, DEVICE_REV_REG_OLD);
 312 }
 313