2 * This file is part of the LinuxBIOS project.
4 * Copyright (C) 2007 Carl-Daniel Hailfinger
5 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "superiotool.h"
24 #define CHIP_ID_BYTE1_REG 0x20
25 #define CHIP_ID_BYTE2_REG 0x21
26 #define CHIP_VERSION_REG 0x22
28 /* Note: IT8726F has ID 0x8726 (datasheet wrongly says 0x8716). */
29 const static struct superio_registers reg_table[] = {
32 {0x8705, "IT8705F or IT8700F", {
36 {0x07,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
37 0x29,0x2a,0x2e,0x2f,EOT},
38 {NANA,0x87,0x08,0x00,0x00,NANA,0x3f,0x00,0xff,0xff,
39 0xff,0xff,0x00,0x00,EOT}},
41 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
42 {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
44 {0x30,0x60,0x61,0x70,0xf0,EOT},
45 {0x00,0x03,0xf8,0x04,0x00,EOT}},
47 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
48 {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
49 {0x3, "Parallel port",
50 {0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x74,
52 {0x00,0x03,0x78,0x07,0x78,0x00,0x80,0x07,0x03,
55 {0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
56 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,EOT},
57 {NANA,NANA,0x00,0x00,0x00,0x00,0x00,0x00,
58 0x00,0x00,0x00,0x00,0x00,NANA,NANA,EOT}},
60 /* Note: 0x30 can actually be 0x00 _or_ 0x01. */
61 {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
62 {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
64 {0x30,0x70,0x71,0xf0,EOT},
65 {0x00,0x0c,0x02,0x00,EOT}},
67 {0x70,0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,
68 0xbb,0xbc,0xbd,0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc8,
69 0xc9,0xca,0xcb,0xcc,0xcd,0xd0,0xd1,0xd2,0xd3,0xd4,
70 0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xf0,0xf1,
71 0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
73 {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
74 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
75 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
76 0x00,0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x00,0x00,
77 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,
81 {0x00,0x02,0x01,EOT}},
83 {0x30,0x60,0x61,0x70,0xf0,EOT},
84 {0x00,0x03,0x10,0x0b,0x00,EOT}},
86 {0x30,0x60,0x61,0x70,0xf0,EOT},
87 {0x00,0x03,0x00,0x0a,0x00,EOT}},
93 {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
94 {NANA,0x87,0x12,0x08,0x00,0x00,0x00,EOT}},
96 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
97 {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
99 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
100 {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
102 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
103 {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
104 {0x3, "Parallel port",
105 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
106 {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
107 {0x4, "Environment controller",
108 {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
110 {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
111 0x00,NANA,NANA,EOT}},
113 /* TODO: 0xf0: Error in datasheet? */
114 {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
115 {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x08,EOT}},
117 {0x30,0x70,0x71,0xf0,EOT},
118 {0x00,0x0c,0x02,0x00,EOT}},
119 {0x7, "GPIO", /* TODO: 0x72, 0x73: Errors in datasheet? */
120 {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
121 0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
122 0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
123 0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
124 0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
125 0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
126 {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
127 0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x00,0x00,0x00,
128 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
129 0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
130 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
131 0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
133 {0x30,0x60,0x61,0x70,0xf0,EOT},
134 {0x00,0x03,0x00,0x0a,0x00,EOT}},
136 {0x30,0x60,0x61,EOT},
137 {0x00,0x02,0x01,EOT}},
139 {0x30,0x60,0x61,0x70,0xf0,EOT},
140 {0x00,0x03,0x10,0x0b,0x00,EOT}},
142 {0x8716, "IT8716F", {
144 {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
145 {NANA,0x87,0x16,0x01,0x00,0x00,0x00,EOT}},
147 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
148 {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
150 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
151 {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
153 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
154 {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
156 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
157 {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
159 {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
161 {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
162 0x00,NANA,NANA,EOT}},
164 {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
165 {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
167 {0x30,0x70,0x71,0xf0,EOT},
168 {0x00,0x0c,0x02,0x00,EOT}},
170 {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
171 0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
172 0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
173 0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
174 0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
175 0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
176 {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
177 0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
178 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
179 0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
180 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
181 0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
183 {0x30,0x60,0x61,0x70,0xf0,EOT},
184 {0x00,0x03,0x00,0x0a,0x00,EOT}},
186 {0x30,0x60,0x61,EOT},
187 {0x00,0x02,0x01,EOT}},
189 {0x30,0x60,0x61,0x70,0xf0,EOT},
190 {0x00,0x03,0x10,0x0b,0x00,EOT}},
192 {0x8718, "IT8718F", {
194 {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
195 {NANA,0x87,0x18,0x01,0x00,0x00,0x00,EOT}},
197 {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
198 {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
200 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
201 {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
203 {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
204 {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
205 {0x3, "Parallel port",
206 {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
207 {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
208 {0x4, "Environment controller",
209 {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
211 {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
212 0x00,NANA,NANA,EOT}},
214 {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
215 {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
217 {0x30,0x70,0x71,0xf0,EOT},
218 {0x00,0x0c,0x02,0x00,EOT}},
220 {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
221 0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
222 0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
223 0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
224 0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xf0,0xf1,
225 0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
226 0xfc,0xfd,0xfe,0xff,EOT},
227 {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
228 0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
229 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
230 0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
231 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
232 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
233 NANA,0x00,0x00,0x00,EOT}},
235 {0x30,0x60,0x61,0x70,0xf0,EOT},
236 {0x00,0x03,0x10,0x0b,0x00,EOT}},
242 * IT871[01]F and IT8708F use 0x87, 0x87
243 * IT8761F uses 0x87, 0x61, 0x55, 0x55/0xaa
244 * IT86xxF series uses different ports
245 * IT8661F uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes
246 * IT8673F uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes
248 static void enter_conf_mode_ite(uint16_t port)
259 static void exit_conf_mode_ite(uint16_t port)
261 regwrite(port, 0x02, 0x02);
264 static void probe_idregs_ite_helper(uint16_t port)
266 uint16_t id, chipver;
268 id = regval(port, CHIP_ID_BYTE1_REG) << 8;
269 id |= regval(port, CHIP_ID_BYTE2_REG);
270 chipver = regval(port, CHIP_VERSION_REG) & 0x0f; /* Only bits 3..0 */
272 if (superio_unknown(reg_table, id)) {
273 no_superio_found(port);
274 exit_conf_mode_ite(port);
278 printf("Found ITE %s (id=0x%04x, rev=0x%01x) at port=0x%x\n",
279 get_superio_name(reg_table, id), id, chipver, port);
281 dump_superio("ITE", reg_table, port, id);
282 dump_superio_readable(port); /* TODO */
285 void probe_idregs_ite(uint16_t port)
287 enter_conf_mode_ite(port);
288 probe_idregs_ite_helper(port);
289 exit_conf_mode_ite(port);
291 enter_conf_mode_winbond_fintek_ite_8787(port);
292 probe_idregs_ite_helper(port);
293 exit_conf_mode_winbond_fintek_ite_8787(port);