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
enter_conf_mode_ali(uint16_t port)43 static void enter_conf_mode_ali(uint16_t port)
44 {
45 OUTB(0x51, port);
46 OUTB(0x23, port);
47 }
48
exit_conf_mode_ali(uint16_t port)49 static void exit_conf_mode_ali(uint16_t port)
50 {
51 OUTB(0xbb, port);
52 }
53
probe_idregs_ali(uint16_t port)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
print_ali_chips(void)85 void print_ali_chips(void)
86 {
87 print_vendor_chips("ALi", reg_table);
88 }
89