util/superiotool/ali.c

   1 /* This file is part of the superiotool project */
   2 /* SPDX-License-Identifier: GPL-2.0-or-later */
   3
   4 #include "superiotool.h"
   5
   6 #define DEVICE_ID_BYTE1_REG     0x20
   7 #define DEVICE_ID_BYTE2_REG     0x21
   8
   9 #define DEVICE_REV_REG          0x1f
  10
  11 static const struct superio_registers reg_table[] = {
  12         /* TODO: M5113 doesn't seem to have ID registers? */
  13         {0x5315, "M1535/M1535D/M1535+/M1535D+", {
  14                 {NOLDN, NULL,
  15                         {0x1f,0x20,0x21,0x22,0x23,0x2c,0x2d,0x2e,EOT},
  16                         {NANA,0x53,0x15,0x00,0x00,RSVD,RSVD,RSVD,EOT}},
  17                 {0x0, "Floppy",
  18                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,EOT},
  19                         {0x00,0x03,0xf0,0x06,0x02,0x08,0x00,0xff,0x00,EOT}},
  20                 {0x3, "Parallel port",
  21                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
  22                         {0x00,0x03,0x78,0x05,0x04,0x8c,0xc5,EOT}},
  23                 {0x4, "COM1",
  24                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  25                         {0x00,0x03,0xf8,0x04,0x00,0x00,0x0c,EOT}},
  26                 {0x5, "COM2",
  27                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,EOT},
  28                         {0x00,0x03,0xe8,0x09,0x04,0x80,0x00,0x0c,EOT}},
  29                 {0x7, "Keyboard",
  30                         {0x30,0x70,0x72,0xf0,EOT},
  31                         {NANA,0x01,0x00,0x00,EOT}},
  32                 {0x8, "COM3",
  33                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  34                         {0x00,0x02,0xf8,0x03,0x00,0x00,0x0c,EOT}},
  35                 {0xc, "Hotkey",
  36                         {0x30,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,EOT},
  37                         {0x00,0x35,0x14,0x11,0x71,RSVD,0x05,EOT}},
  38                 {EOT}}},
  39         {0x2351, "M512x", {
  40                 {EOT}}},
  41         {EOT}
  42 };
  43
  44 static void enter_conf_mode_ali(uint16_t port)
  45 {
  46         OUTB(0x51, port);
  47         OUTB(0x23, port);
  48 }
  49
  50 static void exit_conf_mode_ali(uint16_t port)
  51 {
  52         OUTB(0xbb, port);
  53 }
  54
  55 void probe_idregs_ali(uint16_t port)
  56 {
  57         uint16_t id;
  58         uint8_t rev;
  59
  60         probing_for("ALi", "", port);
  61
  62         enter_conf_mode_ali(port);
  63
  64         id = regval(port, DEVICE_ID_BYTE1_REG) << 8;
  65         id |= regval(port, DEVICE_ID_BYTE2_REG);
  66
  67         /* TODO: Not documented/available on M512x (?) */
  68         rev = regval(port, DEVICE_REV_REG);
  69
  70         if (superio_unknown(reg_table, id)) {
  71                 if (verbose)
  72                         printf(NOTFOUND "id=0x%04x, rev=0x%02x\n", id, rev);
  73                 exit_conf_mode_ali(port);
  74                 return;
  75         }
  76
  77         printf("Found ALi %s (id=0x%04x, rev=0x%02x) at 0x%x\n",
  78                get_superio_name(reg_table, id), id, rev, port);
  79         chip_found = 1;
  80
  81         dump_superio("ALi", reg_table, port, id, LDN_SEL);
  82
  83         exit_conf_mode_ali(port);
  84 }
  85
  86 void print_ali_chips(void)
  87 {
  88         print_vendor_chips("ALi", reg_table);
  89 }