util/superiotool/winbond.c

   1 /*
   2  * This file is part of the LinuxBIOS 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   0x20
  24 #define DEVICE_REV_REG  0x21
  25
  26 /**
  27  * The ID entries must be in 0xYYZ format, where YY is the device ID,
  28  * and Z is bits 7..4 of the device revision register. We do not match
  29  * bits 3..0 of the device revision here.
  30  */
  31 const static struct superio_registers reg_table[] = {
  32         {0x601, "W83697HF/F", {
  33                 {NOLDN, NULL,
  34                         /* TODO: 0x02, 0x07. */
  35                         {0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x28,0x29,
  36                          0x2a,EOT},
  37                         {0x60,NANA,0xff,0x00,0x00,0x00,0x00,0x00,0x00,
  38                          MISC,EOT}},
  39                 /* Some register defaults depend on the value of PNPCSV. */
  40                 {0x0, "Floppy",
  41                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
  42                          0xf5,EOT},
  43                         {0x01,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
  44                          0x00,EOT}},
  45                 {0x1, "Parallel port",
  46                         {0x30,0x60,0x61,0x70,0x74,0xf0,EOT},
  47                         {0x01,0x03,0x78,0x07,0x04,0x3f,EOT}},
  48                 {0x2, "COM1",
  49                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  50                         {0x01,0x03,0xf8,0x04,0x00,EOT}},
  51                 {0x3, "COM2",
  52                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
  53                         {0x01,0x02,0xf8,0x03,0x00,0x00,EOT}},
  54                 {0x6, "CIR",
  55                         {0x30,0x60,0x61,0x70,EOT},
  56                         {0x00,0x00,0x00,0x00,EOT}},
  57                 {0x7, "Game port, GPIO port 1",
  58                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
  59                         {0x00,0x02,0x01,0x00,0x00,0xff,0x00,0x00,EOT}},
  60                 {0x8, "MIDI port, GPIO port 5",
  61                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
  62                          0xf4,0xf5,EOT},
  63                         {0x00,0x03,0x30,0x00,0x00,0x09,0xff,0x00,0x00,0x00,
  64                          0x00,0x00,EOT}},
  65                 {0x9, "GPIO port 2, 3, and 4",
  66                         {0x30,0x60,0x61,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,
  67                          0xf7,0xf8,0xf5,EOT},
  68                         {0x00,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,
  69                          0x00,0x00,0x00,EOT}},
  70                 {0xa, "ACPI",
  71                         {0x30,0x70,0xe0,0xe1,0xe2,0xe5,0xe6,0xe7,
  72                          0xf0,0xf1,0xf3,0xf4,0xf6,0xf7,0xf9,EOT},
  73                         {0x00,0x00,0x00,0x00,NANA,0x00,0x00,0x00,
  74                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,EOT}},
  75                 {0xb, "Hardware monitor",
  76                         {0x30,0x60,0x61,0x70,EOT},
  77                         {0x00,0x00,0x00,0x00,EOT}},
  78                 {EOT}}},
  79         {0x886, "W83627EHF/EF/EHG/EG", {
  80                 {NOLDN, NULL,
  81                         {0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
  82                          0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
  83                         {0x88,NANA,0xff,0x00,MISC,0x00,MISC,RSVD,0x50,
  84                          0x04,0x00,RSVD,0x00,0x21,0x00,0x00,EOT}},
  85                 {0x0, NULL,
  86                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
  87                          0xf5,EOT},
  88                         {0x01,0x03,0xf0,0x06,0x02,0x8e,0x00,0xff,0x00,
  89                          0x00,EOT}},
  90                 {0x1, NULL,
  91                         {0x30,0x60,0x61,0x70,0x74,0xf0,EOT},
  92                         {0x01,0x03,0x78,0x07,0x04,0x3f,EOT}},
  93                 {0x2, NULL,
  94                         {0x30,0x60,0x61,0x70,0xf0,EOT},
  95                         {0x01,0x03,0xf8,0x04,0x00,EOT}},
  96                 {0x3, NULL,
  97                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
  98                         {0x01,0x02,0xf8,0x03,0x00,0x00,EOT}},
  99                 {0x5, NULL,
 100                         {0x30,0x60,0x61,0x62,0x63,0x70,0x72,0xf0,EOT},
 101                         {0x01,0x00,0x60,0x00,0x64,0x01,0x0c,0x83,EOT}},
 102                 {0x6, NULL,
 103                         {0x30,0x62,0x63,EOT},
 104                         {0x00,0x00,0x00,EOT}},
 105                 {0x7, NULL,
 106                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
 107                          0xf4,0xf5,0xf6,0xf7,EOT},
 108                         {0x00,0x02,0x01,0x03,0x30,0x09,0xff,0x00,0x00,0x00,
 109                          0xff,0x00,0x00,0x00,EOT}},
 110                 {0x8, NULL,
 111                         {0x30,0xf5,0xf6,0xf7,EOT},
 112                         {0x00,0x00,0x00,0x00,EOT}},
 113                 {0x9, NULL,
 114                         {0x30,0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xf0,0xf1,0xf2,
 115                          0xf3,0xf4,0xf5,0xf6,0xf7,EOT},
 116                         {0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x00,
 117                          0x00,0xff,0x00,0x00,0x00,EOT}},
 118                 {0xa, NULL,
 119                         {0x30,0x70,0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
 120                          0xe8,0xf2,0xf3,0xf4,0xf6,0xf7,EOT},
 121                         {0x00,0x00,0x01,0x00,0xff,0x08,0x00,RSVD,0x00,0x00,
 122                          RSVD,0x7c,0x00,0x00,0x00,0x00,EOT}},
 123                 {0xb, NULL,
 124                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
 125                         {0x00,0x00,0x00,0x00,0xc1,0x00,EOT}},
 126                 {EOT}}},
 127         {EOT}
 128 };
 129
 130 static void enter_conf_mode_winbond(uint16_t port)
 131 {
 132         outb(0x87, port);
 133         outb(0x87, port);
 134 }
 135
 136 static void exit_conf_mode_winbond(uint16_t port)
 137 {
 138         outb(0xaa, port);
 139 }
 140
 141 void probe_idregs_winbond(uint16_t port)
 142 {
 143         uint16_t id;
 144         uint8_t devid, rev;
 145
 146         enter_conf_mode_winbond(port);
 147
 148         devid = regval(port, DEVICE_ID_REG);
 149         rev = regval(port, DEVICE_REV_REG);
 150
 151         /* Bits 3..0 of 'rev' form the IC version, we don't match that. */
 152         id = (devid << 4) | ((rev & 0xf0) >> 4);
 153
 154         if (superio_unknown(reg_table, id)) {
 155                 no_superio_found(port);
 156                 return;
 157         }
 158
 159         printf("Found Winbond %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
 160                get_superio_name(reg_table, id), devid, rev, port);
 161
 162         /* TODO: Special notes in dump output for the MISC entries. */
 163         dump_superio("Winbond", reg_table, port, id);
 164
 165         exit_conf_mode_winbond(port);
 166 }
 167