util/superiotool/ali.c

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