2 * This file is part of the superiotool project.
4 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
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.
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.
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
21 #include "superiotool.h"
23 #define DEVICE_ID_REG_OLD 0x0d
24 #define DEVICE_REV_REG_OLD 0x0e
26 #define DEVICE_ID_REG 0x20
27 #define DEVICE_REV_REG 0x21
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! */
38 {0x0e, "LPC47N252", { /* From sensors-detect */
42 {0x30, "FDC37C93xAPM", {
44 {0x40, "FDC37C67x", { /* E.g. FDC37C672. Chiprev: 0x01 */
46 {0x03,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,0x2c,
48 {0x03,0x40,NANA,0x00,0x00,0x04,MISC,MISC,NANA,NANA,
51 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
53 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
55 {0x3, "Parallel port",
56 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
57 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
59 {0x30,0x60,0x61,0x70,0xf0,EOT},
60 {0x00,0x00,0x00,0x00,0x00,EOT}},
62 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
64 {0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
67 {0x30,0x70,0x72,0xf0,EOT},
68 {0x00,0x00,0x00,0x00,EOT}},
70 {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
71 0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
73 {0x00,NANA,NANA,NANA,NANA,0x06,0x03,NANA,NANA,NANA,
74 0x00,0x00,0x00,MISC,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
77 {0x42, "FDC37B80x/FDC37M707", {
79 {0x09, "FDC37N958FR", { /* Found in e.g. Dell Latitude CPi A366XT. */
81 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
82 0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
83 {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
84 NANA,NANA,NANA,NANA,NANA,EOT}},
86 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
88 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
90 {0x3, "Parallel port",
91 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
92 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
94 {0x30,0x60,0x61,0x70,0xf0,EOT},
95 {0x00,0x00,0x00,0x00,0x00,EOT}},
97 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
99 {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
101 {0x6, "Real-time clock (RTC)",
102 {0x30,0x62,0x63,0x70,0xf0,EOT},
103 {0x00,0x00,0x70,0x00,0x00,EOT}},
105 {0x30,0x70,0x72,0xf0,EOT},
106 {0x00,0x00,0x00,0x00,EOT}},
108 {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
109 0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
110 0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
111 0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
113 {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
114 NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
115 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
116 NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
119 {0x30,0x60,0x61,0x70,0xf0,EOT},
120 {0x00,0x00,0x00,NANA,NANA,EOT}},
122 {0x43, "FDC37B77x", {
124 {0x44, "FDC37B78x", {
126 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
127 0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
128 {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
129 NANA,NANA,NANA,NANA,NANA,EOT}},
131 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
133 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
135 {0x3, "Parallel port",
136 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
137 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
139 {0x30,0x60,0x61,0x70,0xf0,EOT},
140 {0x00,0x00,0x00,0x00,0x00,EOT}},
142 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
144 {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
146 {0x6, "Real-time clock (RTC)",
147 {0x30,0x62,0x63,0x70,0xf0,EOT},
148 {0x00,0x00,0x70,0x00,0x00,EOT}},
150 {0x30,0x70,0x72,0xf0,EOT},
151 {0x00,0x00,0x00,0x00,EOT}},
153 {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
154 0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
155 0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
156 0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
158 {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
159 NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
160 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
161 NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
164 {0x30,0x60,0x61,0x70,0xf0,EOT},
165 {0x00,0x00,0x00,NANA,NANA,EOT}},
167 {0x47, "FDC37M60x", { /* TODO: Not yet in sensors-detect */
169 {0x4c, "FDC37B72x", {
171 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
172 0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
173 {0x03,NANA,0x4c,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
174 NANA,NANA,NANA,NANA,NANA,EOT}},
176 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
178 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
180 {0x3, "Parallel port",
181 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
182 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
184 {0x30,0x60,0x61,0x70,0xf0,EOT},
185 {0x00,0x00,0x00,0x00,0x00,EOT}},
187 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
188 {NANA,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
190 {0x30,0x70,0x72,0xf0,EOT},
191 {0x00,0x00,0x00,0x00,EOT}},
193 {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
194 0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
195 0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
196 0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
198 {0x00,NANA,NANA,NANA,NANA,NANA,0x00,0x01,NANA,NANA,
199 NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
200 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
201 NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,MISC,NANA,
204 {0x30,0x60,0x61,0x70,0xf0,EOT},
205 {0x00,0x00,0x00,NANA,NANA,EOT}},
207 {0x4d, "FDC37M81x", {
209 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,
210 0x2c,0x2d,0x2e,0x2f,EOT},
211 {0x03,0x00,0x4d,NANA,0x00,0x00,0x04,MISC,MISC,NANA,
212 NANA,NANA,NANA,NANA,EOT}},
214 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
216 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
218 {0x3, "Parallel port",
219 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
220 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
222 {0x30,0x60,0x61,0x70,0xf0,EOT},
223 {0x00,0x00,0x00,0x00,0x00,EOT}},
225 {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,EOT},
226 {0x00,0x00,0x00,RSVD,RSVD,0x00,0x00,0x02,0x03,EOT}},
228 {0x30,0x70,0x72,0xf0,EOT},
229 {0x00,0x00,0x00,0x00,EOT}},
231 /* Only 0xf6 existing (and reserved) or 0xf6..0xfb? */
232 {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
233 0xc5,0xc6,0xc7,0xc8,0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,
234 0xf8,0xf9,0xfa,0xfb,EOT},
235 {0x00,NANA,NANA,NANA,NANA,0x02,0x01,NANA,NANA,NANA,
236 NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,RSVD,RSVD,
237 RSVD,RSVD,RSVD,RSVD,EOT}},
239 {0x51, "LPC47B27x", {
241 {0x03,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
242 0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
243 {RSVD,0x51,NANA,0x00,0x00,0x04,MISC,MISC,RSVD,
244 NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
246 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
248 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
250 {0x3, "Parallel port",
251 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
252 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
254 {0x30,0x60,0x61,0x70,0xf0,EOT},
255 {0x00,0x00,0x00,0x00,0x00,EOT}},
257 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
259 {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
262 {0x30,0x70,0x72,0xf0,EOT},
263 {0x00,0x00,0x00,0x00,EOT}},
265 {0x30,0x60,0x61,EOT},
266 {0x00,0x00,0x00,EOT}},
267 {0xa, "Power-management events (PME)",
268 {0x30,0x60,0x61,0xf0,0xf1,EOT},
269 {0x00,0x00,0x00,NANA,NANA,EOT}},
270 {0xb, "MIDI port (MPU-401)",
271 {0x30,0x60,0x61,0x70,EOT},
272 {0x00,0x03,0x30,0x05,EOT}},
274 {0x52, "LPC47B37x", {
276 {0x54, "LPC47U33x", {
278 {0x56, "LPC47B34x", {
280 {0x57, "LPC47S42x", {
282 {0x59, "LPC47M10x/112/13x", {
284 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
285 0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
286 {RSVD,0x00,0x59,NANA,0x00,0x00,0x44,MISC,MISC,RSVD,
287 NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
289 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
291 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
293 {0x3, "Parallel port",
294 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
295 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
297 {0x30,0x60,0x61,0x70,0xf0,EOT},
298 {0x00,0x00,0x00,0x00,0x00,EOT}},
300 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,
302 {NANA,0x00,0x00,RSVD,RSVD,0x00,RSVD,0x00,0x02,
305 {0x30,0x70,0x72,0xf0,EOT},
306 {0x00,0x00,0x00,0x00,EOT}},
308 {0x30,0x60,0x61,EOT},
309 {0x00,0x00,0x00,EOT}},
310 {0xa, "Power Management Events (PME)",
311 {0x30,0x60,0x61,0xf0,0xf1,EOT},
312 {0x00,0x00,0x00,NANA,RSVD,EOT}},
314 {0x30,0x60,0x61,0x70,EOT},
315 {0x00,0x03,0x30,0x05,EOT}},
317 {0x5d, "LPC47B357", { /* From sensors-detect (no datasheet) */
319 {0x5f, "LPC47M14x", {
321 {0x60, "LPC47M15x/192/997", {
323 {0x62, "LPC47S45x", {
325 {0x6b, "LPC47M292", { /* From sensors-detect */
327 {0x6e, "LPC47B387", { /* TODO: Not yet in sensors-detect */
328 /* Found in the HP Compaq Business Desktop d530 Series */
329 /* http://thread.gmane.org/gmane.linux.bios/26648 */
330 /* We cannot find a public datasheet for this Super I/O. */
332 {0x6f, "LPC47B397", {
334 {0x74, "LPC47M182", {
336 {0x76, "LPC47M584", { /* From sensors-detect (no datasheet) */
338 {0x77, "A8000", { /* ASUS A8000, a rebranded DME1737(?) */
340 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
341 0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
342 {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
343 NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
345 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
347 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
349 {0x3, "Parallel port",
350 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
351 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
353 {0x30,0x60,0x61,0x70,0xf0,EOT},
354 {0x00,0x00,0x00,0x00,0x00,EOT}},
356 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
357 {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
359 {0x30,0x70,0x72,0xf0,EOT},
360 {0x00,0x00,0x00,0x00,EOT}},
361 {0xa, "Runtime registers",
362 {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
363 {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
367 {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
368 0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
369 {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
370 NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
372 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
374 {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
376 {0x3, "Parallel port",
377 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
378 {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
380 {0x30,0x60,0x61,0x70,0xf0,EOT},
381 {0x00,0x00,0x00,0x00,0x00,EOT}},
383 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
384 {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
386 {0x30,0x70,0x72,0xf0,EOT},
387 {0x00,0x00,0x00,0x00,EOT}},
388 {0xa, "Runtime registers",
389 {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
390 {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
392 {0x79, "SCH5504", { /* From sensors-detect (no datasheet) */
395 {0x7a, "Unknown", { /* Found in Toshiba Satellite A80-117. */
406 {0x85, "SCH5317", { /* From sensors-detect */
408 {0x90, "SCH4307", { /* From sensors-detect */
411 /* The following Super I/Os use the 0x0d/0x0e ID registers. */
412 {0x03, "FDC37C669", {
413 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
415 /* FIXME: There's another 0x03 but found on port 0x20/0x21! */
417 {0x04, "FDC37C669FR", { /* TODO: Not yet in sensors-detect. */
418 /* Init: 0x55, 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
420 {0x13, "LPC47N237", {
421 /* Init: 0x55. Exit: 0xaa. Ports: 0x2e/0x4e. */
423 {0x28, "FDC37N769", {
424 /* Init: 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
426 {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
427 0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
428 0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
429 0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
430 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
431 {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
432 0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
433 NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
434 0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
435 0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
437 {0x29, "FDC37N3869/FDC37N869", {
438 /* Init: 0x55. Exit: 0xaa. Ports: 0x3f0/0x370. */
440 {0x5a, "LPC47N227", {
441 /* Init: 0x55. Exit: 0xaa. Ports: 0x2e/0x4e. */
443 {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
444 0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
445 0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
446 0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
447 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,
448 0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,EOT},
449 {0x28,0x9c,0x08,0x70,0x00,0x00,0xff,0x00,RSVD,0x00,
450 0x00,0x00,0x02,0x5a,NANA,0x00,0x00,0x80,MISC,0x00,
451 NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
452 RSVD,0x00,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
453 0x00,0x80,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,
454 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,EOT}},
456 {0x65, "FDC37C665GT/IR", {
457 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. */
458 /* Chiprev: 0x02 = FDC37C665GT, 0x82 = FDC37C665IR */
460 {0x66, "FDC37C666GT", {
461 /* Init: 0x55, 0x55. Exit: 0xaa. Port: 0x3f0. Chiprev: 0x02. */
466 static void enter_conf_mode_smsc(uint16_t port)
468 /* Some of the SMSC Super I/Os have an 0x55,0x55 init, some only
469 * require one 0x55. We do 0x55,0x55 for all of them at the moment,
470 * in the assumption that the extra 0x55 won't hurt the other
471 * Super I/Os. This is verified to be true on (at least) the FDC37N769.
477 static void exit_conf_mode_smsc(uint16_t port)
482 static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg,
486 const char *info = (idreg == 0x20) ? "(idregs=0x20/0x21) "
487 : "(idregs=0x0d/0x0e) ";
489 probing_for("SMSC", info, port);
491 enter_conf_mode_smsc(port);
493 id = regval(port, idreg);
494 rev = regval(port, revreg);
496 if (superio_unknown(reg_table, id)) {
498 printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", id, rev);
499 exit_conf_mode_smsc(port);
503 printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
504 (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id),
508 dump_superio((id == 0x77 ? "ASUS" : "SMSC"), reg_table, port, id);
510 exit_conf_mode_smsc(port);
513 void probe_idregs_smsc(uint16_t port)
515 probe_idregs_smsc_helper(port, DEVICE_ID_REG, DEVICE_REV_REG);
516 probe_idregs_smsc_helper(port, DEVICE_ID_REG_OLD, DEVICE_REV_REG_OLD);