Dump support for the SMSC LPC47B27x (trivial).
[coreboot.git] / 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 static const struct superio_registers reg_table[] = {
30         /* The following Super I/Os use the 0x20/0x21 ID registers. */
31         {0x03, "FDC37C93xFR", {
32                 /* FIXME: There's another 0x03 but found on port 0x0d/0x0e! */
33                 {EOT}}},
34         {0x0a, "FDC37N971", {
35                 {EOT}}},
36         {0x0b, "FDC37N972", {
37                 {EOT}}},
38         {0x0e, "LPC47N252", {   /* From sensors-detect */
39                 {EOT}}},
40         {0x14, "LPC47M172", {
41                 {EOT}}},
42         {0x30, "FDC37C93xAPM", {
43                 {EOT}}},
44         {0x40, "FDC37C67x", {   /* E.g. FDC37C672. Chiprev: 0x01 */
45                 {EOT}}},
46         {0x42, "FDC37B80x/FDC37M707", {
47                 {EOT}}},
48         {0x09, "FDC37N958FR", { /* Found in e.g. Dell Latitude CPi A366XT. */
49                 {NOLDN, NULL,
50                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
51                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
52                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
53                          NANA,NANA,NANA,NANA,NANA,EOT}},
54                 {0x0, "Floppy",
55                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
56                          EOT},
57                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
58                          EOT}},
59                 {0x3, "Parallel port",
60                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
61                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
62                 {0x4, "COM1",
63                         {0x30,0x60,0x61,0x70,0xf0,EOT},
64                         {0x00,0x00,0x00,0x00,0x00,EOT}},
65                 {0x5, "COM2",
66                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
67                          EOT},
68                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
69                          EOT}},
70                 {0x6, "Real-time clock (RTC)",
71                         {0x30,0x62,0x63,0x70,0xf0,EOT},
72                         {0x00,0x00,0x70,0x00,0x00,EOT}},
73                 {0x7, "Keyboard",
74                         {0x30,0x70,0x72,0xf0,EOT},
75                         {0x00,0x00,0x00,0x00,EOT}},
76                 {0x8, "Aux I/O",
77                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
78                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
79                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
80                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
81                          0xf9,0xfa,EOT},
82                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
83                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
84                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
85                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
86                          NANA,NANA,EOT}},
87                 {0xa, "ACPI",
88                         {0x30,0x60,0x61,0x70,0xf0,EOT},
89                         {0x00,0x00,0x00,NANA,NANA,EOT}},
90                 {EOT}}},
91         {0x43, "FDC37B77x", {
92                 {EOT}}},
93         {0x44, "FDC37B78x", {
94                 {NOLDN, NULL,
95                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
96                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
97                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
98                          NANA,NANA,NANA,NANA,NANA,EOT}},
99                 {0x0, "Floppy",
100                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
101                          EOT},
102                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
103                          EOT}},
104                 {0x3, "Parallel port",
105                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
106                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
107                 {0x4, "COM1",
108                         {0x30,0x60,0x61,0x70,0xf0,EOT},
109                         {0x00,0x00,0x00,0x00,0x00,EOT}},
110                 {0x5, "COM2",
111                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
112                          EOT},
113                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
114                          EOT}},
115                 {0x6, "Real-time clock (RTC)",
116                         {0x30,0x62,0x63,0x70,0xf0,EOT},
117                         {0x00,0x00,0x70,0x00,0x00,EOT}},
118                 {0x7, "Keyboard",
119                         {0x30,0x70,0x72,0xf0,EOT},
120                         {0x00,0x00,0x00,0x00,EOT}},
121                 {0x8, "Aux I/O",
122                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
123                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
124                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
125                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
126                          0xf9,0xfa,EOT},
127                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
128                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
129                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
130                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
131                          NANA,NANA,EOT}},
132                 {0xa, "ACPI",
133                         {0x30,0x60,0x61,0x70,0xf0,EOT},
134                         {0x00,0x00,0x00,NANA,NANA,EOT}},
135                 {EOT}}},
136         {0x47, "FDC37M60x", {   /* TODO: Not yet in sensors-detect */
137                 {EOT}}},
138         {0x4c, "FDC37B72x", {
139                 {NOLDN, NULL,
140                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
141                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
142                         {0x03,NANA,0x4c,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
143                          NANA,NANA,NANA,NANA,NANA,EOT}},
144                 {0x0, "Floppy",
145                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
146                          EOT},
147                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
148                          EOT}},
149                 {0x3, "Parallel port",
150                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
151                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
152                 {0x4, "COM1",
153                         {0x30,0x60,0x61,0x70,0xf0,EOT},
154                         {0x00,0x00,0x00,0x00,0x00,EOT}},
155                 {0x5, "COM2",
156                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
157                         {NANA,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
158                 {0x7, "Keyboard",
159                         {0x30,0x70,0x72,0xf0,EOT},
160                         {0x00,0x00,0x00,0x00,EOT}},
161                 {0x8, "Aux I/O",
162                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
163                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
164                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
165                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
166                          0xf9,0xfa,EOT},
167                         {0x00,NANA,NANA,NANA,NANA,NANA,0x00,0x01,NANA,NANA,
168                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
169                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
170                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,MISC,NANA,
171                          NANA,NANA,EOT}},
172                 {0xa, "ACPI",
173                         {0x30,0x60,0x61,0x70,0xf0,EOT},
174                         {0x00,0x00,0x00,NANA,NANA,EOT}},
175                 {EOT}}},
176         {0x4d, "FDC37M81x", {
177                 {NOLDN, NULL,
178                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,
179                          0x2c,0x2d,0x2e,0x2f,EOT},
180                         {0x03,0x00,0x4d,NANA,0x00,0x00,0x04,MISC,MISC,NANA,
181                          NANA,NANA,NANA,NANA,EOT}},
182                 {0x0, "Floppy",
183                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
184                          0xf5,EOT},
185                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
186                          0x00,EOT}},
187                 {0x3, "Parallel port",
188                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
189                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
190                 {0x4, "COM1",
191                         {0x30,0x60,0x61,0x70,0xf0,EOT},
192                         {0x00,0x00,0x00,0x00,0x00,EOT}},
193                 {0x5, "COM2",
194                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,EOT},
195                         {0x00,0x00,0x00,RSVD,RSVD,0x00,0x00,0x02,0x03,EOT}},
196                 {0x7, "Keyboard",
197                         {0x30,0x70,0x72,0xf0,EOT},
198                         {0x00,0x00,0x00,0x00,EOT}},
199                 {0x8, "Aux I/O",
200                         /* Only 0xf6 existing (and reserved) or 0xf6..0xfb? */
201                         {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
202                          0xc5,0xc6,0xc7,0xc8,0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,
203                          0xf8,0xf9,0xfa,0xfb,EOT},
204                         {0x00,NANA,NANA,NANA,NANA,0x02,0x01,NANA,NANA,NANA,
205                          NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,RSVD,RSVD,
206                          RSVD,RSVD,RSVD,RSVD,EOT}},
207                 {EOT}}},
208         {0x51, "LPC47B27x", {
209                 {NOLDN, NULL,
210                         {0x03,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
211                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
212                         {RSVD,0x51,NANA,0x00,0x00,0x04,MISC,MISC,RSVD,
213                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
214                 {0x0, "Floppy",
215                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
216                          EOT},
217                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
218                          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                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
227                          EOT},
228                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
229                          EOT}},
230                 {0x7, "Keyboard",
231                         {0x30,0x70,0x72,0xf0,EOT},
232                         {0x00,0x00,0x00,0x00,EOT}},
233                 {0x9, "Game port",
234                         {0x30,0x60,0x61,EOT},
235                         {0x00,0x00,0x00,EOT}},
236                 {0xa, "Power-management events (PME)",
237                         {0x30,0x60,0x61,0xf0,0xf1,EOT},
238                         {0x00,0x00,0x00,NANA,NANA,EOT}},
239                 {0xb, "MIDI port (MPU-401)",
240                         {0x30,0x60,0x61,0x70,EOT},
241                         {0x00,0x03,0x30,0x05,EOT}},
242                 {EOT}}},
243         {0x52, "LPC47B37x", {
244                 {EOT}}},
245         {0x54, "LPC47U33x", {
246                 {EOT}}},
247         {0x56, "LPC47B34x", {
248                 {EOT}}},
249         {0x57, "LPC47S42x", {
250                 {EOT}}},
251         {0x59, "LPC47M10x/112/13x", {
252                 {NOLDN, NULL,
253                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
254                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
255                         {RSVD,0x00,0x59,NANA,0x00,0x00,0x44,MISC,MISC,RSVD,
256                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
257                 {0x0, "Floppy",
258                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
259                          0xf5,EOT},
260                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
261                          0x00,EOT}},
262                 {0x3, "Parallel port",
263                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
264                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
265                 {0x4, "COM1",
266                         {0x30,0x60,0x61,0x70,0xf0,EOT},
267                         {0x00,0x00,0x00,0x00,0x00,EOT}},
268                 {0x5, "COM2",
269                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,
270                          0xf2,EOT},
271                         {NANA,0x00,0x00,RSVD,RSVD,0x00,RSVD,0x00,0x02,
272                          0x03,EOT}},
273                 {0x7, "Keyboard",
274                         {0x30,0x70,0x72,0xf0,EOT},
275                         {0x00,0x00,0x00,0x00,EOT}},
276                 {0x9, "Game port",
277                         {0x30,0x60,0x61,EOT},
278                         {0x00,0x00,0x00,EOT}},
279                 {0xa, "Power Management Events (PME)",
280                         {0x30,0x60,0x61,0xf0,0xf1,EOT},
281                         {0x00,0x00,0x00,NANA,RSVD,EOT}},
282                 {0xb, "MPU-401",
283                         {0x30,0x60,0x61,0x70,EOT},
284                         {0x00,0x03,0x30,0x05,EOT}},
285                 {EOT}}},
286         {0x5d, "LPC47B357", {   /* From sensors-detect (no datasheet) */
287                 {EOT}}},
288         {0x5f, "LPC47M14x", {
289                 {EOT}}},
290         {0x60, "LPC47M15x/192/997", {
291                 {EOT}}},
292         {0x62, "LPC47S45x", {
293                 {EOT}}},
294         {0x6b, "LPC47M292", {   /* From sensors-detect */
295                 {EOT}}},
296         {0x6e, "LPC47B387", {   /* TODO: Not yet in sensors-detect */
297                 /* Found in the HP Compaq Business Desktop d530 Series */
298                 /* http://thread.gmane.org/gmane.linux.bios/26648 */
299                 /* We cannot find a public datasheet for this Super I/O. */
300                 {EOT}}},
301         {0x6f, "LPC47B397", {
302                 {EOT}}},
303         {0x74, "LPC47M182", {
304                 {EOT}}},
305         {0x76, "LPC47M584", {   /* From sensors-detect (no datasheet) */
306                 {EOT}}},
307         {0x77, "A8000", {       /* ASUS A8000, a rebranded DME1737(?) */
308                 {NOLDN, NULL,
309                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
310                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
311                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
312                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
313                 {0x0, "Floppy",
314                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
315                          0xf5,EOT},
316                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
317                          0x00,EOT}},
318                 {0x3, "Parallel port",
319                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
320                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
321                 {0x4, "COM1",
322                         {0x30,0x60,0x61,0x70,0xf0,EOT},
323                         {0x00,0x00,0x00,0x00,0x00,EOT}},
324                 {0x5, "COM2",
325                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
326                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
327                 {0x7, "Keyboard",
328                         {0x30,0x70,0x72,0xf0,EOT},
329                         {0x00,0x00,0x00,0x00,EOT}},
330                 {0xa, "Runtime registers",
331                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
332                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
333                 {EOT}}},
334         {0x78, "DME1737", {
335                 {NOLDN, NULL,
336                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
337                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
338                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
339                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
340                 {0x0, "Floppy",
341                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
342                          0xf5,EOT},
343                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
344                          0x00,EOT}},
345                 {0x3, "Parallel port",
346                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
347                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
348                 {0x4, "COM1",
349                         {0x30,0x60,0x61,0x70,0xf0,EOT},
350                         {0x00,0x00,0x00,0x00,0x00,EOT}},
351                 {0x5, "COM2",
352                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
353                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
354                 {0x7, "Keyboard",
355                         {0x30,0x70,0x72,0xf0,EOT},
356                         {0x00,0x00,0x00,0x00,EOT}},
357                 {0xa, "Runtime registers",
358                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
359                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
360                 {EOT}}},
361         {0x79, "SCH5504", {     /* From sensors-detect (no datasheet) */
362                 {EOT}}},
363 #if 0
364         {0x7a, "Unknown", {     /* Found in Toshiba Satellite A80-117. */
365                 {EOT}}},
366 #endif
367         {0x7c, "SCH3112", {
368                 {EOT}}},
369         {0x7d, "SCH3114", {
370                 {EOT}}},
371         {0x7f, "SCH3116", {
372                 {EOT}}},
373         {0x81, "SCH5307", {
374                 {EOT}}},
375         {0x85, "SCH5317", {     /* From sensors-detect */
376                 {EOT}}},
377         {0x90, "SCH4307", {     /* From sensors-detect */
378                 {EOT}}},
379
380         /* The following Super I/Os use the 0x0d/0x0e ID registers. */
381         {0x03, "FDC37C669", {
382                 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
383                 /* Chiprev: 0x02. */
384                 /* FIXME: There's another 0x03 but found on port 0x20/0x21! */
385                 {EOT}}},
386         {0x04, "FDC37C669FR", { /* TODO: Not yet in sensors-detect. */
387                 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
388                 {EOT}}},
389         {0x13, "LPC47N237", {
390                 /* Init: 0x55. Exit: 0xaa. Ports: 0x2e/0x4e. */
391                 {EOT}}},
392         {0x28, "FDC37N769", {
393                 /* Init: 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
394                 {NOLDN, NULL,
395                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
396                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
397                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
398                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
399                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
400                         {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
401                          0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
402                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
403                          0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
404                          0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
405                 {EOT}}},
406         {0x29, "FDC37N3869/FDC37N869", {
407                 /* Init: 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
408                 {EOT}}},
409         {0x5a, "LPC47N227", {
410                 /* Init: 0x55. Exit: 0xaa. Ports: 0x2e/0x4e. */
411                 {NOLDN, NULL,
412                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
413                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
414                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
415                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
416                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,
417                          0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,EOT},
418                         {0x28,0x9c,0x08,0x70,0x00,0x00,0xff,0x00,RSVD,0x00,
419                          0x00,0x00,0x02,0x5a,NANA,0x00,0x00,0x80,MISC,0x00,
420                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
421                          RSVD,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
422                          0x00,0x80,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,
423                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,EOT}},
424                 {EOT}}},
425         {0x65, "FDC37C665GT/IR", {
426                 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. */
427                 /* Chiprev: 0x02 = FDC37C665GT, 0x82 = FDC37C665IR */
428                 {EOT}}},
429         {0x66, "FDC37C666GT", {
430                 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. Chiprev: 0x02. */
431                 {EOT}}},
432         {EOT}
433 };
434
435 static void enter_conf_mode_smsc(uint16_t port)
436 {
437         /* Some of the SMSC Super I/Os have an 0x55,0x55 init, some only
438          * require one 0x55. We do 0x55,0x55 for all of them at the moment,
439          * in the assumption that the extra 0x55 won't hurt the other
440          * Super I/Os. This is verified to be true on (at least) the FDC37N769.
441          */
442         outb(0x55, port);
443         outb(0x55, port);
444 }
445
446 static void exit_conf_mode_smsc(uint16_t port)
447 {
448         outb(0xaa, port);
449 }
450
451 static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg,
452                                      uint8_t revreg)
453 {
454         uint8_t id, rev;
455         const char *info = (idreg == 0x20) ? "(idregs=0x20/0x21) "
456                                            : "(idregs=0x0d/0x0e) ";
457
458         probing_for("SMSC", info, port);
459
460         enter_conf_mode_smsc(port);
461
462         id = regval(port, idreg);
463         rev = regval(port, revreg);
464
465         if (superio_unknown(reg_table, id)) {
466                 if (verbose)
467                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", id, rev);
468                 exit_conf_mode_smsc(port);
469                 return;
470         }
471
472         printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
473                (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id),
474                id, rev, port);
475         chip_found = 1;
476
477         dump_superio((id == 0x77 ? "ASUS" : "SMSC"), reg_table, port, id);
478
479         exit_conf_mode_smsc(port);
480 }
481
482 void probe_idregs_smsc(uint16_t port)
483 {
484         probe_idregs_smsc_helper(port, DEVICE_ID_REG, DEVICE_REV_REG);
485         probe_idregs_smsc_helper(port, DEVICE_ID_REG_OLD, DEVICE_REV_REG_OLD);
486 }