4 Copyright (c) 2006-2008 Hans de Goede <j.w.r.degoede@hhs.nl>
5 Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
22 This driver supports the sensor part of revision 3 of the custom Abit uGuru
23 chip found on newer Abit uGuru motherboards. Note: because of lack of specs
24 only reading the sensors and their settings is supported.
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/jiffies.h>
30 #include <linux/mutex.h>
31 #include <linux/err.h>
32 #include <linux/delay.h>
33 #include <linux/platform_device.h>
34 #include <linux/hwmon.h>
35 #include <linux/hwmon-sysfs.h>
36 #include <linux/dmi.h>
39 /* uGuru3 bank addresses */
40 #define ABIT_UGURU3_SETTINGS_BANK 0x01
41 #define ABIT_UGURU3_SENSORS_BANK 0x08
42 #define ABIT_UGURU3_MISC_BANK 0x09
43 #define ABIT_UGURU3_ALARMS_START 0x1E
44 #define ABIT_UGURU3_SETTINGS_START 0x24
45 #define ABIT_UGURU3_VALUES_START 0x80
46 #define ABIT_UGURU3_BOARD_ID 0x0A
47 /* uGuru3 sensor bank flags */ /* Alarm if: */
48 #define ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE 0x01 /* temp over warn */
49 #define ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE 0x02 /* volt over max */
50 #define ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE 0x04 /* volt under min */
51 #define ABIT_UGURU3_TEMP_HIGH_ALARM_FLAG 0x10 /* temp is over warn */
52 #define ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG 0x20 /* volt is over max */
53 #define ABIT_UGURU3_VOLT_LOW_ALARM_FLAG 0x40 /* volt is under min */
54 #define ABIT_UGURU3_FAN_LOW_ALARM_ENABLE 0x01 /* fan under min */
55 #define ABIT_UGURU3_BEEP_ENABLE 0x08 /* beep if alarm */
56 #define ABIT_UGURU3_SHUTDOWN_ENABLE 0x80 /* shutdown if alarm */
58 #define ABIT_UGURU3_IN_SENSOR 0
59 #define ABIT_UGURU3_TEMP_SENSOR 1
60 #define ABIT_UGURU3_FAN_SENSOR 2
62 /* Timeouts / Retries, if these turn out to need a lot of fiddling we could
63 convert them to params. Determined by trial and error. I assume this is
64 cpu-speed independent, since the ISA-bus and not the CPU should be the
66 #define ABIT_UGURU3_WAIT_TIMEOUT 250
67 /* Normally the 0xAC at the end of synchronize() is reported after the
68 first read, but sometimes not and we need to poll */
69 #define ABIT_UGURU3_SYNCHRONIZE_TIMEOUT 5
71 #define ABIT_UGURU3_NAME "abituguru3"
72 #define ABIT_UGURU3_DEBUG(format, arg...) \
74 printk(KERN_DEBUG ABIT_UGURU3_NAME ": " format , ## arg)
76 /* Macros to help calculate the sysfs_names array length */
77 #define ABIT_UGURU3_MAX_NO_SENSORS 26
78 /* sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
79 in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0 */
80 #define ABIT_UGURU3_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
81 /* sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
82 temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
84 #define ABIT_UGURU3_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16 + 13)
85 /* sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
86 fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0 */
87 #define ABIT_UGURU3_FAN_NAMES_LENGTH (12 + 10 + 12 + 19 + 11 + 15 + 12)
88 /* Worst case scenario 16 in sensors (longest names_length) and the rest
89 temp sensors (second longest names_length). */
90 #define ABIT_UGURU3_SYSFS_NAMES_LENGTH (16 * ABIT_UGURU3_IN_NAMES_LENGTH + \
91 (ABIT_UGURU3_MAX_NO_SENSORS - 16) * ABIT_UGURU3_TEMP_NAMES_LENGTH)
93 /* All the macros below are named identical to the openguru2 program
94 reverse engineered by Louis Kruger, hence the names might not be 100%
95 logical. I could come up with better names, but I prefer keeping the names
96 identical so that this driver can be compared with his work more easily. */
97 /* Two i/o-ports are used by uGuru */
98 #define ABIT_UGURU3_BASE 0x00E0
99 #define ABIT_UGURU3_CMD 0x00
100 #define ABIT_UGURU3_DATA 0x04
101 #define ABIT_UGURU3_REGION_LENGTH 5
102 /* The wait_xxx functions return this on success and the last contents
103 of the DATA register (0-255) on failure. */
104 #define ABIT_UGURU3_SUCCESS -1
105 /* uGuru status flags */
106 #define ABIT_UGURU3_STATUS_READY_FOR_READ 0x01
107 #define ABIT_UGURU3_STATUS_BUSY 0x02
111 struct abituguru3_sensor_info {
120 /* Avoid use of flexible array members */
121 #define ABIT_UGURU3_MAX_DMI_NAMES 2
123 struct abituguru3_motherboard_info {
125 const char *dmi_name[ABIT_UGURU3_MAX_DMI_NAMES + 1];
126 /* + 1 -> end of sensors indicated by a sensor with name == NULL */
127 struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
130 /* For the Abit uGuru, we need to keep some data in memory.
131 The structure is dynamically allocated, at the same time when a new
132 abituguru3 device is allocated. */
133 struct abituguru3_data {
134 struct device *hwmon_dev; /* hwmon registered device */
135 struct mutex update_lock; /* protect access to data and uGuru */
136 unsigned short addr; /* uguru base address */
137 char valid; /* !=0 if following fields are valid */
138 unsigned long last_updated; /* In jiffies */
140 /* For convenience the sysfs attr and their names are generated
141 automatically. We have max 10 entries per sensor (for in sensors) */
142 struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
145 /* Buffer to store the dynamically generated sysfs names */
146 char sysfs_names[ABIT_UGURU3_SYSFS_NAMES_LENGTH];
148 /* Pointer to the sensors info for the detected motherboard */
149 const struct abituguru3_sensor_info *sensors;
151 /* The abituguru3 supports upto 48 sensors, and thus has registers
152 sets for 48 sensors, for convienence reasons / simplicity of the
153 code we always read and store all registers for all 48 sensors */
155 /* Alarms for all 48 sensors (1 bit per sensor) */
158 /* Value of all 48 sensors */
161 /* Settings of all 48 sensors, note in and temp sensors (the first 32
162 sensors) have 3 bytes of settings, while fans only have 2 bytes,
163 for convenience we use 3 bytes for all sensors */
169 static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
170 { 0x000C, { NULL } /* Unknown, need DMI string */, {
171 { "CPU Core", 0, 0, 10, 1, 0 },
172 { "DDR", 1, 0, 10, 1, 0 },
173 { "DDR VTT", 2, 0, 10, 1, 0 },
174 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
175 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
176 { "MCH 2.5V", 5, 0, 20, 1, 0 },
177 { "ICH 1.05V", 6, 0, 10, 1, 0 },
178 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
179 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
180 { "ATX +5V", 9, 0, 30, 1, 0 },
181 { "+3.3V", 10, 0, 20, 1, 0 },
182 { "5VSB", 11, 0, 30, 1, 0 },
183 { "CPU", 24, 1, 1, 1, 0 },
184 { "System", 25, 1, 1, 1, 0 },
185 { "PWM", 26, 1, 1, 1, 0 },
186 { "CPU Fan", 32, 2, 60, 1, 0 },
187 { "NB Fan", 33, 2, 60, 1, 0 },
188 { "SYS FAN", 34, 2, 60, 1, 0 },
189 { "AUX1 Fan", 35, 2, 60, 1, 0 },
190 { NULL, 0, 0, 0, 0, 0 } }
192 { 0x000D, { NULL } /* Abit AW8, need DMI string */, {
193 { "CPU Core", 0, 0, 10, 1, 0 },
194 { "DDR", 1, 0, 10, 1, 0 },
195 { "DDR VTT", 2, 0, 10, 1, 0 },
196 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
197 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
198 { "MCH 2.5V", 5, 0, 20, 1, 0 },
199 { "ICH 1.05V", 6, 0, 10, 1, 0 },
200 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
201 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
202 { "ATX +5V", 9, 0, 30, 1, 0 },
203 { "+3.3V", 10, 0, 20, 1, 0 },
204 { "5VSB", 11, 0, 30, 1, 0 },
205 { "CPU", 24, 1, 1, 1, 0 },
206 { "System", 25, 1, 1, 1, 0 },
207 { "PWM1", 26, 1, 1, 1, 0 },
208 { "PWM2", 27, 1, 1, 1, 0 },
209 { "PWM3", 28, 1, 1, 1, 0 },
210 { "PWM4", 29, 1, 1, 1, 0 },
211 { "CPU Fan", 32, 2, 60, 1, 0 },
212 { "NB Fan", 33, 2, 60, 1, 0 },
213 { "SYS Fan", 34, 2, 60, 1, 0 },
214 { "AUX1 Fan", 35, 2, 60, 1, 0 },
215 { "AUX2 Fan", 36, 2, 60, 1, 0 },
216 { "AUX3 Fan", 37, 2, 60, 1, 0 },
217 { "AUX4 Fan", 38, 2, 60, 1, 0 },
218 { "AUX5 Fan", 39, 2, 60, 1, 0 },
219 { NULL, 0, 0, 0, 0, 0 } }
221 { 0x000E, { NULL } /* AL-8, need DMI string */, {
222 { "CPU Core", 0, 0, 10, 1, 0 },
223 { "DDR", 1, 0, 10, 1, 0 },
224 { "DDR VTT", 2, 0, 10, 1, 0 },
225 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
226 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
227 { "MCH 2.5V", 5, 0, 20, 1, 0 },
228 { "ICH 1.05V", 6, 0, 10, 1, 0 },
229 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
230 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
231 { "ATX +5V", 9, 0, 30, 1, 0 },
232 { "+3.3V", 10, 0, 20, 1, 0 },
233 { "5VSB", 11, 0, 30, 1, 0 },
234 { "CPU", 24, 1, 1, 1, 0 },
235 { "System", 25, 1, 1, 1, 0 },
236 { "PWM", 26, 1, 1, 1, 0 },
237 { "CPU Fan", 32, 2, 60, 1, 0 },
238 { "NB Fan", 33, 2, 60, 1, 0 },
239 { "SYS Fan", 34, 2, 60, 1, 0 },
240 { NULL, 0, 0, 0, 0, 0 } }
242 { 0x000F, { NULL } /* Unknown, need DMI string */, {
244 { "CPU Core", 0, 0, 10, 1, 0 },
245 { "DDR", 1, 0, 10, 1, 0 },
246 { "DDR VTT", 2, 0, 10, 1, 0 },
247 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
248 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
249 { "MCH 2.5V", 5, 0, 20, 1, 0 },
250 { "ICH 1.05V", 6, 0, 10, 1, 0 },
251 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
252 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
253 { "ATX +5V", 9, 0, 30, 1, 0 },
254 { "+3.3V", 10, 0, 20, 1, 0 },
255 { "5VSB", 11, 0, 30, 1, 0 },
256 { "CPU", 24, 1, 1, 1, 0 },
257 { "System", 25, 1, 1, 1, 0 },
258 { "PWM", 26, 1, 1, 1, 0 },
259 { "CPU Fan", 32, 2, 60, 1, 0 },
260 { "NB Fan", 33, 2, 60, 1, 0 },
261 { "SYS Fan", 34, 2, 60, 1, 0 },
262 { NULL, 0, 0, 0, 0, 0 } }
264 { 0x0010, { NULL } /* Abit NI8 SLI GR, need DMI string */, {
265 { "CPU Core", 0, 0, 10, 1, 0 },
266 { "DDR", 1, 0, 10, 1, 0 },
267 { "DDR VTT", 2, 0, 10, 1, 0 },
268 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
269 { "NB 1.4V", 4, 0, 10, 1, 0 },
270 { "SB 1.5V", 6, 0, 10, 1, 0 },
271 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
272 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
273 { "ATX +5V", 9, 0, 30, 1, 0 },
274 { "+3.3V", 10, 0, 20, 1, 0 },
275 { "5VSB", 11, 0, 30, 1, 0 },
276 { "CPU", 24, 1, 1, 1, 0 },
277 { "SYS", 25, 1, 1, 1, 0 },
278 { "PWM", 26, 1, 1, 1, 0 },
279 { "CPU Fan", 32, 2, 60, 1, 0 },
280 { "NB Fan", 33, 2, 60, 1, 0 },
281 { "SYS Fan", 34, 2, 60, 1, 0 },
282 { "AUX1 Fan", 35, 2, 60, 1, 0 },
283 { "OTES1 Fan", 36, 2, 60, 1, 0 },
284 { NULL, 0, 0, 0, 0, 0 } }
286 { 0x0011, { "AT8 32X", NULL }, {
287 { "CPU Core", 0, 0, 10, 1, 0 },
288 { "DDR", 1, 0, 20, 1, 0 },
289 { "DDR VTT", 2, 0, 10, 1, 0 },
290 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
291 { "NB 1.8V", 4, 0, 10, 1, 0 },
292 { "NB 1.8V Dual", 5, 0, 10, 1, 0 },
293 { "HTV 1.2", 3, 0, 10, 1, 0 },
294 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
295 { "NB 1.2V", 13, 0, 10, 1, 0 },
296 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
297 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
298 { "ATX +5V", 9, 0, 30, 1, 0 },
299 { "+3.3V", 10, 0, 20, 1, 0 },
300 { "5VSB", 11, 0, 30, 1, 0 },
301 { "CPU", 24, 1, 1, 1, 0 },
302 { "NB", 25, 1, 1, 1, 0 },
303 { "System", 26, 1, 1, 1, 0 },
304 { "PWM", 27, 1, 1, 1, 0 },
305 { "CPU Fan", 32, 2, 60, 1, 0 },
306 { "NB Fan", 33, 2, 60, 1, 0 },
307 { "SYS Fan", 34, 2, 60, 1, 0 },
308 { "AUX1 Fan", 35, 2, 60, 1, 0 },
309 { "AUX2 Fan", 36, 2, 60, 1, 0 },
310 { "AUX3 Fan", 37, 2, 60, 1, 0 },
311 { NULL, 0, 0, 0, 0, 0 } }
313 { 0x0012, { NULL } /* Abit AN8 32X, need DMI string */, {
314 { "CPU Core", 0, 0, 10, 1, 0 },
315 { "DDR", 1, 0, 20, 1, 0 },
316 { "DDR VTT", 2, 0, 10, 1, 0 },
317 { "HyperTransport", 3, 0, 10, 1, 0 },
318 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
319 { "NB", 4, 0, 10, 1, 0 },
320 { "SB", 6, 0, 10, 1, 0 },
321 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
322 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
323 { "ATX +5V", 9, 0, 30, 1, 0 },
324 { "+3.3V", 10, 0, 20, 1, 0 },
325 { "5VSB", 11, 0, 30, 1, 0 },
326 { "CPU", 24, 1, 1, 1, 0 },
327 { "SYS", 25, 1, 1, 1, 0 },
328 { "PWM", 26, 1, 1, 1, 0 },
329 { "CPU Fan", 32, 2, 60, 1, 0 },
330 { "NB Fan", 33, 2, 60, 1, 0 },
331 { "SYS Fan", 34, 2, 60, 1, 0 },
332 { "AUX1 Fan", 36, 2, 60, 1, 0 },
333 { NULL, 0, 0, 0, 0, 0 } }
335 { 0x0013, { NULL } /* Abit AW8D, need DMI string */, {
336 { "CPU Core", 0, 0, 10, 1, 0 },
337 { "DDR", 1, 0, 10, 1, 0 },
338 { "DDR VTT", 2, 0, 10, 1, 0 },
339 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
340 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
341 { "MCH 2.5V", 5, 0, 20, 1, 0 },
342 { "ICH 1.05V", 6, 0, 10, 1, 0 },
343 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
344 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
345 { "ATX +5V", 9, 0, 30, 1, 0 },
346 { "+3.3V", 10, 0, 20, 1, 0 },
347 { "5VSB", 11, 0, 30, 1, 0 },
348 { "CPU", 24, 1, 1, 1, 0 },
349 { "System", 25, 1, 1, 1, 0 },
350 { "PWM1", 26, 1, 1, 1, 0 },
351 { "PWM2", 27, 1, 1, 1, 0 },
352 { "PWM3", 28, 1, 1, 1, 0 },
353 { "PWM4", 29, 1, 1, 1, 0 },
354 { "CPU Fan", 32, 2, 60, 1, 0 },
355 { "NB Fan", 33, 2, 60, 1, 0 },
356 { "SYS Fan", 34, 2, 60, 1, 0 },
357 { "AUX1 Fan", 35, 2, 60, 1, 0 },
358 { "AUX2 Fan", 36, 2, 60, 1, 0 },
359 { "AUX3 Fan", 37, 2, 60, 1, 0 },
360 { "AUX4 Fan", 38, 2, 60, 1, 0 },
361 { "AUX5 Fan", 39, 2, 60, 1, 0 },
362 { NULL, 0, 0, 0, 0, 0 } }
364 { 0x0014, { "AB9", "AB9 Pro", NULL }, {
365 { "CPU Core", 0, 0, 10, 1, 0 },
366 { "DDR", 1, 0, 10, 1, 0 },
367 { "DDR VTT", 2, 0, 10, 1, 0 },
368 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
369 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
370 { "MCH 2.5V", 5, 0, 20, 1, 0 },
371 { "ICH 1.05V", 6, 0, 10, 1, 0 },
372 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
373 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
374 { "ATX +5V", 9, 0, 30, 1, 0 },
375 { "+3.3V", 10, 0, 20, 1, 0 },
376 { "5VSB", 11, 0, 30, 1, 0 },
377 { "CPU", 24, 1, 1, 1, 0 },
378 { "System", 25, 1, 1, 1, 0 },
379 { "PWM", 26, 1, 1, 1, 0 },
380 { "CPU Fan", 32, 2, 60, 1, 0 },
381 { "NB Fan", 33, 2, 60, 1, 0 },
382 { "SYS Fan", 34, 2, 60, 1, 0 },
383 { NULL, 0, 0, 0, 0, 0 } }
385 { 0x0015, { NULL } /* Unknown, need DMI string */, {
386 { "CPU Core", 0, 0, 10, 1, 0 },
387 { "DDR", 1, 0, 20, 1, 0 },
388 { "DDR VTT", 2, 0, 10, 1, 0 },
389 { "HyperTransport", 3, 0, 10, 1, 0 },
390 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
391 { "NB", 4, 0, 10, 1, 0 },
392 { "SB", 6, 0, 10, 1, 0 },
393 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
394 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
395 { "ATX +5V", 9, 0, 30, 1, 0 },
396 { "+3.3V", 10, 0, 20, 1, 0 },
397 { "5VSB", 11, 0, 30, 1, 0 },
398 { "CPU", 24, 1, 1, 1, 0 },
399 { "SYS", 25, 1, 1, 1, 0 },
400 { "PWM", 26, 1, 1, 1, 0 },
401 { "CPU Fan", 32, 2, 60, 1, 0 },
402 { "NB Fan", 33, 2, 60, 1, 0 },
403 { "SYS Fan", 34, 2, 60, 1, 0 },
404 { "AUX1 Fan", 33, 2, 60, 1, 0 },
405 { "AUX2 Fan", 35, 2, 60, 1, 0 },
406 { "AUX3 Fan", 36, 2, 60, 1, 0 },
407 { NULL, 0, 0, 0, 0, 0 } }
409 { 0x0016, { "AW9D-MAX", NULL }, {
410 { "CPU Core", 0, 0, 10, 1, 0 },
411 { "DDR2", 1, 0, 20, 1, 0 },
412 { "DDR2 VTT", 2, 0, 10, 1, 0 },
413 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
414 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
415 { "MCH 2.5V", 5, 0, 20, 1, 0 },
416 { "ICH 1.05V", 6, 0, 10, 1, 0 },
417 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
418 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
419 { "ATX +5V", 9, 0, 30, 1, 0 },
420 { "+3.3V", 10, 0, 20, 1, 0 },
421 { "5VSB", 11, 0, 30, 1, 0 },
422 { "CPU", 24, 1, 1, 1, 0 },
423 { "System", 25, 1, 1, 1, 0 },
424 { "PWM1", 26, 1, 1, 1, 0 },
425 { "PWM2", 27, 1, 1, 1, 0 },
426 { "PWM3", 28, 1, 1, 1, 0 },
427 { "PWM4", 29, 1, 1, 1, 0 },
428 { "CPU Fan", 32, 2, 60, 1, 0 },
429 { "NB Fan", 33, 2, 60, 1, 0 },
430 { "SYS Fan", 34, 2, 60, 1, 0 },
431 { "AUX1 Fan", 35, 2, 60, 1, 0 },
432 { "AUX2 Fan", 36, 2, 60, 1, 0 },
433 { "AUX3 Fan", 37, 2, 60, 1, 0 },
434 { "OTES1 Fan", 38, 2, 60, 1, 0 },
435 { NULL, 0, 0, 0, 0, 0 } }
437 { 0x0017, { NULL } /* Unknown, need DMI string */, {
438 { "CPU Core", 0, 0, 10, 1, 0 },
439 { "DDR2", 1, 0, 20, 1, 0 },
440 { "DDR2 VTT", 2, 0, 10, 1, 0 },
441 { "HyperTransport", 3, 0, 10, 1, 0 },
442 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
443 { "NB 1.8V", 4, 0, 10, 1, 0 },
444 { "NB 1.2V ", 13, 0, 10, 1, 0 },
445 { "SB 1.2V", 5, 0, 10, 1, 0 },
446 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
447 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
448 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
449 { "ATX +5V", 9, 0, 30, 1, 0 },
450 { "ATX +3.3V", 10, 0, 20, 1, 0 },
451 { "ATX 5VSB", 11, 0, 30, 1, 0 },
452 { "CPU", 24, 1, 1, 1, 0 },
453 { "System", 26, 1, 1, 1, 0 },
454 { "PWM", 27, 1, 1, 1, 0 },
455 { "CPU FAN", 32, 2, 60, 1, 0 },
456 { "SYS FAN", 34, 2, 60, 1, 0 },
457 { "AUX1 FAN", 35, 2, 60, 1, 0 },
458 { "AUX2 FAN", 36, 2, 60, 1, 0 },
459 { "AUX3 FAN", 37, 2, 60, 1, 0 },
460 { NULL, 0, 0, 0, 0, 0 } }
462 { 0x0018, { "AB9 QuadGT", NULL }, {
463 { "CPU Core", 0, 0, 10, 1, 0 },
464 { "DDR2", 1, 0, 20, 1, 0 },
465 { "DDR2 VTT", 2, 0, 10, 1, 0 },
466 { "CPU VTT", 3, 0, 10, 1, 0 },
467 { "MCH 1.25V", 4, 0, 10, 1, 0 },
468 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
469 { "ICH 1.05V", 6, 0, 10, 1, 0 },
470 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
471 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
472 { "ATX +5V", 9, 0, 30, 1, 0 },
473 { "+3.3V", 10, 0, 20, 1, 0 },
474 { "5VSB", 11, 0, 30, 1, 0 },
475 { "CPU", 24, 1, 1, 1, 0 },
476 { "System", 25, 1, 1, 1, 0 },
477 { "PWM Phase1", 26, 1, 1, 1, 0 },
478 { "PWM Phase2", 27, 1, 1, 1, 0 },
479 { "PWM Phase3", 28, 1, 1, 1, 0 },
480 { "PWM Phase4", 29, 1, 1, 1, 0 },
481 { "PWM Phase5", 30, 1, 1, 1, 0 },
482 { "CPU Fan", 32, 2, 60, 1, 0 },
483 { "SYS Fan", 34, 2, 60, 1, 0 },
484 { "AUX1 Fan", 33, 2, 60, 1, 0 },
485 { "AUX2 Fan", 35, 2, 60, 1, 0 },
486 { "AUX3 Fan", 36, 2, 60, 1, 0 },
487 { NULL, 0, 0, 0, 0, 0 } }
489 { 0x0019, { "IN9 32X MAX", NULL }, {
490 { "CPU Core", 7, 0, 10, 1, 0 },
491 { "DDR2", 13, 0, 20, 1, 0 },
492 { "DDR2 VTT", 14, 0, 10, 1, 0 },
493 { "CPU VTT", 3, 0, 20, 1, 0 },
494 { "NB 1.2V", 4, 0, 10, 1, 0 },
495 { "SB 1.5V", 6, 0, 10, 1, 0 },
496 { "HyperTransport", 5, 0, 10, 1, 0 },
497 { "ATX +12V (24-Pin)", 12, 0, 60, 1, 0 },
498 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
499 { "ATX +5V", 9, 0, 30, 1, 0 },
500 { "ATX +3.3V", 10, 0, 20, 1, 0 },
501 { "ATX 5VSB", 11, 0, 30, 1, 0 },
502 { "CPU", 24, 1, 1, 1, 0 },
503 { "System", 25, 1, 1, 1, 0 },
504 { "PWM Phase1", 26, 1, 1, 1, 0 },
505 { "PWM Phase2", 27, 1, 1, 1, 0 },
506 { "PWM Phase3", 28, 1, 1, 1, 0 },
507 { "PWM Phase4", 29, 1, 1, 1, 0 },
508 { "PWM Phase5", 30, 1, 1, 1, 0 },
509 { "CPU FAN", 32, 2, 60, 1, 0 },
510 { "SYS FAN", 34, 2, 60, 1, 0 },
511 { "AUX1 FAN", 33, 2, 60, 1, 0 },
512 { "AUX2 FAN", 35, 2, 60, 1, 0 },
513 { "AUX3 FAN", 36, 2, 60, 1, 0 },
514 { NULL, 0, 0, 0, 0, 0 } }
516 { 0x001A, { "IP35 Pro", "IP35 Pro XE", NULL }, {
517 { "CPU Core", 0, 0, 10, 1, 0 },
518 { "DDR2", 1, 0, 20, 1, 0 },
519 { "DDR2 VTT", 2, 0, 10, 1, 0 },
520 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
521 { "MCH 1.25V", 4, 0, 10, 1, 0 },
522 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
523 { "ICH 1.05V", 6, 0, 10, 1, 0 },
524 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
525 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
526 { "ATX +5V", 9, 0, 30, 1, 0 },
527 { "+3.3V", 10, 0, 20, 1, 0 },
528 { "5VSB", 11, 0, 30, 1, 0 },
529 { "CPU", 24, 1, 1, 1, 0 },
530 { "System", 25, 1, 1, 1, 0 },
531 { "PWM", 26, 1, 1, 1, 0 },
532 { "PWM Phase2", 27, 1, 1, 1, 0 },
533 { "PWM Phase3", 28, 1, 1, 1, 0 },
534 { "PWM Phase4", 29, 1, 1, 1, 0 },
535 { "PWM Phase5", 30, 1, 1, 1, 0 },
536 { "CPU Fan", 32, 2, 60, 1, 0 },
537 { "SYS Fan", 34, 2, 60, 1, 0 },
538 { "AUX1 Fan", 33, 2, 60, 1, 0 },
539 { "AUX2 Fan", 35, 2, 60, 1, 0 },
540 { "AUX3 Fan", 36, 2, 60, 1, 0 },
541 { "AUX4 Fan", 37, 2, 60, 1, 0 },
542 { NULL, 0, 0, 0, 0, 0 } }
544 { 0x001B, { NULL } /* Unknown, need DMI string */, {
545 { "CPU Core", 0, 0, 10, 1, 0 },
546 { "DDR3", 1, 0, 20, 1, 0 },
547 { "DDR3 VTT", 2, 0, 10, 1, 0 },
548 { "CPU VTT", 3, 0, 10, 1, 0 },
549 { "MCH 1.25V", 4, 0, 10, 1, 0 },
550 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
551 { "ICH 1.05V", 6, 0, 10, 1, 0 },
552 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
553 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
554 { "ATX +5V", 9, 0, 30, 1, 0 },
555 { "+3.3V", 10, 0, 20, 1, 0 },
556 { "5VSB", 11, 0, 30, 1, 0 },
557 { "CPU", 24, 1, 1, 1, 0 },
558 { "System", 25, 1, 1, 1, 0 },
559 { "PWM Phase1", 26, 1, 1, 1, 0 },
560 { "PWM Phase2", 27, 1, 1, 1, 0 },
561 { "PWM Phase3", 28, 1, 1, 1, 0 },
562 { "PWM Phase4", 29, 1, 1, 1, 0 },
563 { "PWM Phase5", 30, 1, 1, 1, 0 },
564 { "CPU Fan", 32, 2, 60, 1, 0 },
565 { "SYS Fan", 34, 2, 60, 1, 0 },
566 { "AUX1 Fan", 33, 2, 60, 1, 0 },
567 { "AUX2 Fan", 35, 2, 60, 1, 0 },
568 { "AUX3 Fan", 36, 2, 60, 1, 0 },
569 { NULL, 0, 0, 0, 0, 0 } }
571 { 0x001C, { "IX38 QuadGT", NULL }, {
572 { "CPU Core", 0, 0, 10, 1, 0 },
573 { "DDR2", 1, 0, 20, 1, 0 },
574 { "DDR2 VTT", 2, 0, 10, 1, 0 },
575 { "CPU VTT", 3, 0, 10, 1, 0 },
576 { "MCH 1.25V", 4, 0, 10, 1, 0 },
577 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
578 { "ICH 1.05V", 6, 0, 10, 1, 0 },
579 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
580 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
581 { "ATX +5V", 9, 0, 30, 1, 0 },
582 { "+3.3V", 10, 0, 20, 1, 0 },
583 { "5VSB", 11, 0, 30, 1, 0 },
584 { "CPU", 24, 1, 1, 1, 0 },
585 { "System", 25, 1, 1, 1, 0 },
586 { "PWM Phase1", 26, 1, 1, 1, 0 },
587 { "PWM Phase2", 27, 1, 1, 1, 0 },
588 { "PWM Phase3", 28, 1, 1, 1, 0 },
589 { "PWM Phase4", 29, 1, 1, 1, 0 },
590 { "PWM Phase5", 30, 1, 1, 1, 0 },
591 { "CPU Fan", 32, 2, 60, 1, 0 },
592 { "SYS Fan", 34, 2, 60, 1, 0 },
593 { "AUX1 Fan", 33, 2, 60, 1, 0 },
594 { "AUX2 Fan", 35, 2, 60, 1, 0 },
595 { "AUX3 Fan", 36, 2, 60, 1, 0 },
596 { NULL, 0, 0, 0, 0, 0 } }
598 { 0x0000, { NULL }, { { NULL, 0, 0, 0, 0, 0 } } }
602 /* Insmod parameters */
604 module_param(force, bool, 0);
605 MODULE_PARM_DESC(force, "Set to one to force detection.");
606 /* Default verbose is 1, since this driver is still in the testing phase */
607 static int verbose = 1;
608 module_param(verbose, bool, 0644);
609 MODULE_PARM_DESC(verbose, "Enable/disable verbose error reporting");
612 /* wait while the uguru is busy (usually after a write) */
613 static int abituguru3_wait_while_busy(struct abituguru3_data *data)
616 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
618 while ((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
619 ABIT_UGURU3_STATUS_BUSY) {
623 /* sleep a bit before our last try, to give the uGuru3 one
624 last chance to respond. */
628 return ABIT_UGURU3_SUCCESS;
631 /* wait till uguru is ready to be read */
632 static int abituguru3_wait_for_read(struct abituguru3_data *data)
635 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
637 while (!((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
638 ABIT_UGURU3_STATUS_READY_FOR_READ)) {
642 /* sleep a bit before our last try, to give the uGuru3 one
643 last chance to respond. */
647 return ABIT_UGURU3_SUCCESS;
650 /* This synchronizes us with the uGuru3's protocol state machine, this
651 must be done before each command. */
652 static int abituguru3_synchronize(struct abituguru3_data *data)
654 int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
656 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
657 ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
658 "wait, status: 0x%02x\n", x);
662 outb(0x20, data->addr + ABIT_UGURU3_DATA);
663 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
664 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
665 "status: 0x%02x\n", x);
669 outb(0x10, data->addr + ABIT_UGURU3_CMD);
670 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
671 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
672 "status: 0x%02x\n", x);
676 outb(0x00, data->addr + ABIT_UGURU3_CMD);
677 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
678 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
679 "status: 0x%02x\n", x);
683 if ((x = abituguru3_wait_for_read(data)) != ABIT_UGURU3_SUCCESS) {
684 ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
685 "status: 0x%02x\n", x);
689 while ((x = inb(data->addr + ABIT_UGURU3_CMD)) != 0xAC) {
692 ABIT_UGURU3_DEBUG("synchronize timeout cmd does not "
693 "hold 0xAC after synchronize, cmd: 0x%02x\n",
702 /* Read count bytes from sensor sensor_addr in bank bank_addr and store the
704 static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
709 if ((x = abituguru3_synchronize(data)))
712 outb(0x1A, data->addr + ABIT_UGURU3_DATA);
713 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
714 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
715 "sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
716 (unsigned int)offset, x);
720 outb(bank, data->addr + ABIT_UGURU3_CMD);
721 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
722 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
723 "sending the bank, status: 0x%02x\n",
724 (unsigned int)bank, (unsigned int)offset, x);
728 outb(offset, data->addr + ABIT_UGURU3_CMD);
729 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
730 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
731 "sending the offset, status: 0x%02x\n",
732 (unsigned int)bank, (unsigned int)offset, x);
736 outb(count, data->addr + ABIT_UGURU3_CMD);
737 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
738 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
739 "sending the count, status: 0x%02x\n",
740 (unsigned int)bank, (unsigned int)offset, x);
744 for (i = 0; i < count; i++) {
745 if ((x = abituguru3_wait_for_read(data)) !=
746 ABIT_UGURU3_SUCCESS) {
747 ABIT_UGURU3_DEBUG("timeout reading byte %d from "
748 "0x%02x:0x%02x, status: 0x%02x\n", i,
749 (unsigned int)bank, (unsigned int)offset, x);
752 buf[i] = inb(data->addr + ABIT_UGURU3_CMD);
757 /* Sensor settings are stored 1 byte per offset with the bytes
758 placed add consecutive offsets. */
759 static int abituguru3_read_increment_offset(struct abituguru3_data *data,
760 u8 bank, u8 offset, u8 count,
761 u8 *buf, int offset_count)
765 for (i = 0; i < offset_count; i++)
766 if ((x = abituguru3_read(data, bank, offset + i, count,
767 buf + i * count)) != count) {
770 return i * count + x;
776 /* Following are the sysfs callback functions. These functions expect:
777 sensor_device_attribute_2->index: index into the data->sensors array
778 sensor_device_attribute_2->nr: register offset, bitmask or NA. */
779 static struct abituguru3_data *abituguru3_update_device(struct device *dev);
781 static ssize_t show_value(struct device *dev,
782 struct device_attribute *devattr, char *buf)
785 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
786 struct abituguru3_data *data = abituguru3_update_device(dev);
787 const struct abituguru3_sensor_info *sensor;
792 sensor = &data->sensors[attr->index];
794 /* are we reading a setting, or is this a normal read? */
796 value = data->settings[sensor->port][attr->nr];
798 value = data->value[sensor->port];
800 /* convert the value */
801 value = (value * sensor->multiplier) / sensor->divisor +
804 /* alternatively we could update the sensors settings struct for this,
805 but then its contents would differ from the windows sw ini files */
806 if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
809 return sprintf(buf, "%d\n", value);
812 static ssize_t show_alarm(struct device *dev,
813 struct device_attribute *devattr, char *buf)
816 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
817 struct abituguru3_data *data = abituguru3_update_device(dev);
822 port = data->sensors[attr->index].port;
824 /* See if the alarm bit for this sensor is set and if a bitmask is
825 given in attr->nr also check if the alarm matches the type of alarm
826 we're looking for (for volt it can be either low or high). The type
827 is stored in a few readonly bits in the settings of the sensor. */
828 if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
829 (!attr->nr || (data->settings[port][0] & attr->nr)))
830 return sprintf(buf, "1\n");
832 return sprintf(buf, "0\n");
835 static ssize_t show_mask(struct device *dev,
836 struct device_attribute *devattr, char *buf)
838 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
839 struct abituguru3_data *data = dev_get_drvdata(dev);
841 if (data->settings[data->sensors[attr->index].port][0] & attr->nr)
842 return sprintf(buf, "1\n");
844 return sprintf(buf, "0\n");
847 static ssize_t show_label(struct device *dev,
848 struct device_attribute *devattr, char *buf)
850 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
851 struct abituguru3_data *data = dev_get_drvdata(dev);
853 return sprintf(buf, "%s\n", data->sensors[attr->index].name);
856 static ssize_t show_name(struct device *dev,
857 struct device_attribute *devattr, char *buf)
859 return sprintf(buf, "%s\n", ABIT_UGURU3_NAME);
862 /* Sysfs attr templates, the real entries are generated automatically. */
864 struct sensor_device_attribute_2 abituguru3_sysfs_templ[3][10] = { {
865 SENSOR_ATTR_2(in%d_input, 0444, show_value, NULL, 0, 0),
866 SENSOR_ATTR_2(in%d_min, 0444, show_value, NULL, 1, 0),
867 SENSOR_ATTR_2(in%d_max, 0444, show_value, NULL, 2, 0),
868 SENSOR_ATTR_2(in%d_min_alarm, 0444, show_alarm, NULL,
869 ABIT_UGURU3_VOLT_LOW_ALARM_FLAG, 0),
870 SENSOR_ATTR_2(in%d_max_alarm, 0444, show_alarm, NULL,
871 ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG, 0),
872 SENSOR_ATTR_2(in%d_beep, 0444, show_mask, NULL,
873 ABIT_UGURU3_BEEP_ENABLE, 0),
874 SENSOR_ATTR_2(in%d_shutdown, 0444, show_mask, NULL,
875 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
876 SENSOR_ATTR_2(in%d_min_alarm_enable, 0444, show_mask, NULL,
877 ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE, 0),
878 SENSOR_ATTR_2(in%d_max_alarm_enable, 0444, show_mask, NULL,
879 ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE, 0),
880 SENSOR_ATTR_2(in%d_label, 0444, show_label, NULL, 0, 0)
882 SENSOR_ATTR_2(temp%d_input, 0444, show_value, NULL, 0, 0),
883 SENSOR_ATTR_2(temp%d_max, 0444, show_value, NULL, 1, 0),
884 SENSOR_ATTR_2(temp%d_crit, 0444, show_value, NULL, 2, 0),
885 SENSOR_ATTR_2(temp%d_alarm, 0444, show_alarm, NULL, 0, 0),
886 SENSOR_ATTR_2(temp%d_beep, 0444, show_mask, NULL,
887 ABIT_UGURU3_BEEP_ENABLE, 0),
888 SENSOR_ATTR_2(temp%d_shutdown, 0444, show_mask, NULL,
889 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
890 SENSOR_ATTR_2(temp%d_alarm_enable, 0444, show_mask, NULL,
891 ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE, 0),
892 SENSOR_ATTR_2(temp%d_label, 0444, show_label, NULL, 0, 0)
894 SENSOR_ATTR_2(fan%d_input, 0444, show_value, NULL, 0, 0),
895 SENSOR_ATTR_2(fan%d_min, 0444, show_value, NULL, 1, 0),
896 SENSOR_ATTR_2(fan%d_alarm, 0444, show_alarm, NULL, 0, 0),
897 SENSOR_ATTR_2(fan%d_beep, 0444, show_mask, NULL,
898 ABIT_UGURU3_BEEP_ENABLE, 0),
899 SENSOR_ATTR_2(fan%d_shutdown, 0444, show_mask, NULL,
900 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
901 SENSOR_ATTR_2(fan%d_alarm_enable, 0444, show_mask, NULL,
902 ABIT_UGURU3_FAN_LOW_ALARM_ENABLE, 0),
903 SENSOR_ATTR_2(fan%d_label, 0444, show_label, NULL, 0, 0)
906 static struct sensor_device_attribute_2 abituguru3_sysfs_attr[] = {
907 SENSOR_ATTR_2(name, 0444, show_name, NULL, 0, 0),
910 static int __devinit abituguru3_probe(struct platform_device *pdev)
912 const int no_sysfs_attr[3] = { 10, 8, 7 };
913 int sensor_index[3] = { 0, 1, 1 };
914 struct abituguru3_data *data;
915 int i, j, type, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
916 char *sysfs_filename;
920 if (!(data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL)))
923 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
924 mutex_init(&data->update_lock);
925 platform_set_drvdata(pdev, data);
927 /* Read the motherboard ID */
928 if ((i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK,
929 ABIT_UGURU3_BOARD_ID, 2, buf)) != 2) {
930 goto abituguru3_probe_error;
933 /* Completely read the uGuru to see if one really is there */
934 if (!abituguru3_update_device(&pdev->dev))
935 goto abituguru3_probe_error;
937 /* lookup the ID in our motherboard table */
938 id = ((u16)buf[0] << 8) | (u16)buf[1];
939 for (i = 0; abituguru3_motherboards[i].id; i++)
940 if (abituguru3_motherboards[i].id == id)
942 if (!abituguru3_motherboards[i].id) {
943 printk(KERN_ERR ABIT_UGURU3_NAME ": error unknown motherboard "
944 "ID: %04X. Please report this to the abituguru3 "
945 "maintainer (see MAINTAINERS)\n", (unsigned int)id);
946 goto abituguru3_probe_error;
948 data->sensors = abituguru3_motherboards[i].sensors;
950 printk(KERN_INFO ABIT_UGURU3_NAME ": found Abit uGuru3, motherboard "
951 "ID: %04X\n", (unsigned int)id);
953 /* Fill the sysfs attr array */
955 sysfs_filename = data->sysfs_names;
956 sysfs_names_free = ABIT_UGURU3_SYSFS_NAMES_LENGTH;
957 for (i = 0; data->sensors[i].name; i++) {
958 /* Fail safe check, this should never happen! */
959 if (i >= ABIT_UGURU3_MAX_NO_SENSORS) {
960 printk(KERN_ERR ABIT_UGURU3_NAME
961 ": Fatal error motherboard has more sensors "
962 "then ABIT_UGURU3_MAX_NO_SENSORS. This should "
963 "never happen please report to the abituguru3 "
964 "maintainer (see MAINTAINERS)\n");
966 goto abituguru3_probe_error;
968 type = data->sensors[i].type;
969 for (j = 0; j < no_sysfs_attr[type]; j++) {
970 used = snprintf(sysfs_filename, sysfs_names_free,
971 abituguru3_sysfs_templ[type][j].dev_attr.attr.
972 name, sensor_index[type]) + 1;
973 data->sysfs_attr[sysfs_attr_i] =
974 abituguru3_sysfs_templ[type][j];
975 data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name =
977 data->sysfs_attr[sysfs_attr_i].index = i;
978 sysfs_filename += used;
979 sysfs_names_free -= used;
982 sensor_index[type]++;
984 /* Fail safe check, this should never happen! */
985 if (sysfs_names_free < 0) {
986 printk(KERN_ERR ABIT_UGURU3_NAME
987 ": Fatal error ran out of space for sysfs attr names. "
988 "This should never happen please report to the "
989 "abituguru3 maintainer (see MAINTAINERS)\n");
991 goto abituguru3_probe_error;
994 /* Register sysfs hooks */
995 for (i = 0; i < sysfs_attr_i; i++)
996 if (device_create_file(&pdev->dev,
997 &data->sysfs_attr[i].dev_attr))
998 goto abituguru3_probe_error;
999 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1000 if (device_create_file(&pdev->dev,
1001 &abituguru3_sysfs_attr[i].dev_attr))
1002 goto abituguru3_probe_error;
1004 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1005 if (IS_ERR(data->hwmon_dev)) {
1006 res = PTR_ERR(data->hwmon_dev);
1007 goto abituguru3_probe_error;
1010 return 0; /* success */
1012 abituguru3_probe_error:
1013 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1014 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1015 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1016 device_remove_file(&pdev->dev,
1017 &abituguru3_sysfs_attr[i].dev_attr);
1022 static int __devexit abituguru3_remove(struct platform_device *pdev)
1025 struct abituguru3_data *data = platform_get_drvdata(pdev);
1027 platform_set_drvdata(pdev, NULL);
1028 hwmon_device_unregister(data->hwmon_dev);
1029 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1030 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1031 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1032 device_remove_file(&pdev->dev,
1033 &abituguru3_sysfs_attr[i].dev_attr);
1039 static struct abituguru3_data *abituguru3_update_device(struct device *dev)
1042 struct abituguru3_data *data = dev_get_drvdata(dev);
1044 mutex_lock(&data->update_lock);
1045 if (!data->valid || time_after(jiffies, data->last_updated + HZ)) {
1046 /* Clear data->valid while updating */
1049 if (abituguru3_read_increment_offset(data,
1050 ABIT_UGURU3_SETTINGS_BANK,
1051 ABIT_UGURU3_ALARMS_START,
1052 1, data->alarms, 48/8) != (48/8))
1054 /* Read in and temp sensors (3 byte settings / sensor) */
1055 for (i = 0; i < 32; i++) {
1056 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1057 ABIT_UGURU3_VALUES_START + i,
1058 1, &data->value[i]) != 1)
1060 if (abituguru3_read_increment_offset(data,
1061 ABIT_UGURU3_SETTINGS_BANK,
1062 ABIT_UGURU3_SETTINGS_START + i * 3,
1064 data->settings[i], 3) != 3)
1067 /* Read temp sensors (2 byte settings / sensor) */
1068 for (i = 0; i < 16; i++) {
1069 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1070 ABIT_UGURU3_VALUES_START + 32 + i,
1071 1, &data->value[32 + i]) != 1)
1073 if (abituguru3_read_increment_offset(data,
1074 ABIT_UGURU3_SETTINGS_BANK,
1075 ABIT_UGURU3_SETTINGS_START + 32 * 3 +
1077 data->settings[32 + i], 2) != 2)
1080 data->last_updated = jiffies;
1084 mutex_unlock(&data->update_lock);
1092 static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
1094 struct abituguru3_data *data = platform_get_drvdata(pdev);
1095 /* make sure all communications with the uguru3 are done and no new
1097 mutex_lock(&data->update_lock);
1101 static int abituguru3_resume(struct platform_device *pdev)
1103 struct abituguru3_data *data = platform_get_drvdata(pdev);
1104 mutex_unlock(&data->update_lock);
1108 #define abituguru3_suspend NULL
1109 #define abituguru3_resume NULL
1110 #endif /* CONFIG_PM */
1112 static struct platform_driver abituguru3_driver = {
1114 .owner = THIS_MODULE,
1115 .name = ABIT_UGURU3_NAME,
1117 .probe = abituguru3_probe,
1118 .remove = __devexit_p(abituguru3_remove),
1119 .suspend = abituguru3_suspend,
1120 .resume = abituguru3_resume
1125 static int __init abituguru3_dmi_detect(void)
1127 const char *board_vendor, *board_name;
1128 int i, err = (force) ? 1 : -ENODEV;
1129 const char *const *dmi_name;
1132 board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
1133 if (!board_vendor || strcmp(board_vendor, "http://www.abit.com.tw/"))
1136 board_name = dmi_get_system_info(DMI_BOARD_NAME);
1140 /* At the moment, we don't care about the part of the vendor
1141 * DMI string contained in brackets. Truncate the string at
1142 * the first occurrence of a bracket. Trim any trailing space
1143 * from the substring.
1145 sublen = strcspn(board_name, "(");
1146 while (sublen > 0 && board_name[sublen - 1] == ' ')
1149 for (i = 0; abituguru3_motherboards[i].id; i++) {
1150 dmi_name = abituguru3_motherboards[i].dmi_name;
1151 for ( ; *dmi_name; dmi_name++) {
1152 if (strlen(*dmi_name) != sublen)
1154 if (!strncasecmp(board_name, *dmi_name, sublen))
1159 /* No match found */
1163 #else /* !CONFIG_DMI */
1165 static inline int abituguru3_dmi_detect(void)
1170 #endif /* CONFIG_DMI */
1172 /* FIXME: Manual detection should die eventually; we need to collect stable
1173 * DMI model names first before we can rely entirely on CONFIG_DMI.
1176 static int __init abituguru3_detect(void)
1178 /* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
1179 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
1180 or 0x55 at CMD instead, why is unknown. */
1181 u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
1182 u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
1183 if (((data_val == 0x00) || (data_val == 0x08)) &&
1184 ((cmd_val == 0xAC) || (cmd_val == 0x05) ||
1188 ABIT_UGURU3_DEBUG("no Abit uGuru3 found, data = 0x%02X, cmd = "
1189 "0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val);
1192 printk(KERN_INFO ABIT_UGURU3_NAME ": Assuming Abit uGuru3 is "
1193 "present because of \"force\" parameter\n");
1197 /* No uGuru3 found */
1201 static struct platform_device *abituguru3_pdev;
1203 static int __init abituguru3_init(void)
1205 struct resource res = { .flags = IORESOURCE_IO };
1208 /* Attempt DMI detection first */
1209 err = abituguru3_dmi_detect();
1213 /* Fall back to manual detection if there was no exact
1214 * board name match, or force was specified.
1217 err = abituguru3_detect();
1222 printk(KERN_WARNING ABIT_UGURU3_NAME ": this motherboard was "
1223 "not detected using DMI. Please send the output of "
1224 "\"dmidecode\" to the abituguru3 maintainer "
1225 "(see MAINTAINERS)\n");
1229 err = platform_driver_register(&abituguru3_driver);
1233 abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME,
1235 if (!abituguru3_pdev) {
1236 printk(KERN_ERR ABIT_UGURU3_NAME
1237 ": Device allocation failed\n");
1239 goto exit_driver_unregister;
1242 res.start = ABIT_UGURU3_BASE;
1243 res.end = ABIT_UGURU3_BASE + ABIT_UGURU3_REGION_LENGTH - 1;
1244 res.name = ABIT_UGURU3_NAME;
1246 err = platform_device_add_resources(abituguru3_pdev, &res, 1);
1248 printk(KERN_ERR ABIT_UGURU3_NAME
1249 ": Device resource addition failed (%d)\n", err);
1250 goto exit_device_put;
1253 err = platform_device_add(abituguru3_pdev);
1255 printk(KERN_ERR ABIT_UGURU3_NAME
1256 ": Device addition failed (%d)\n", err);
1257 goto exit_device_put;
1263 platform_device_put(abituguru3_pdev);
1264 exit_driver_unregister:
1265 platform_driver_unregister(&abituguru3_driver);
1270 static void __exit abituguru3_exit(void)
1272 platform_device_unregister(abituguru3_pdev);
1273 platform_driver_unregister(&abituguru3_driver);
1276 MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
1277 MODULE_DESCRIPTION("Abit uGuru3 Sensor device");
1278 MODULE_LICENSE("GPL");
1280 module_init(abituguru3_init);
1281 module_exit(abituguru3_exit);