4 * Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
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.
27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
29 #include <linux/module.h>
30 #include <linux/init.h>
31 #include <linux/slab.h>
32 #include <linux/jiffies.h>
33 #include <linux/mutex.h>
34 #include <linux/err.h>
35 #include <linux/delay.h>
36 #include <linux/platform_device.h>
37 #include <linux/hwmon.h>
38 #include <linux/hwmon-sysfs.h>
39 #include <linux/dmi.h>
42 /* uGuru3 bank addresses */
43 #define ABIT_UGURU3_SETTINGS_BANK 0x01
44 #define ABIT_UGURU3_SENSORS_BANK 0x08
45 #define ABIT_UGURU3_MISC_BANK 0x09
46 #define ABIT_UGURU3_ALARMS_START 0x1E
47 #define ABIT_UGURU3_SETTINGS_START 0x24
48 #define ABIT_UGURU3_VALUES_START 0x80
49 #define ABIT_UGURU3_BOARD_ID 0x0A
50 /* uGuru3 sensor bank flags */ /* Alarm if: */
51 #define ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE 0x01 /* temp over warn */
52 #define ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE 0x02 /* volt over max */
53 #define ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE 0x04 /* volt under min */
54 #define ABIT_UGURU3_TEMP_HIGH_ALARM_FLAG 0x10 /* temp is over warn */
55 #define ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG 0x20 /* volt is over max */
56 #define ABIT_UGURU3_VOLT_LOW_ALARM_FLAG 0x40 /* volt is under min */
57 #define ABIT_UGURU3_FAN_LOW_ALARM_ENABLE 0x01 /* fan under min */
58 #define ABIT_UGURU3_BEEP_ENABLE 0x08 /* beep if alarm */
59 #define ABIT_UGURU3_SHUTDOWN_ENABLE 0x80 /* shutdown if alarm */
61 #define ABIT_UGURU3_IN_SENSOR 0
62 #define ABIT_UGURU3_TEMP_SENSOR 1
63 #define ABIT_UGURU3_FAN_SENSOR 2
66 * Timeouts / Retries, if these turn out to need a lot of fiddling we could
67 * convert them to params. Determined by trial and error. I assume this is
68 * cpu-speed independent, since the ISA-bus and not the CPU should be the
71 #define ABIT_UGURU3_WAIT_TIMEOUT 250
73 * Normally the 0xAC at the end of synchronize() is reported after the
74 * first read, but sometimes not and we need to poll
76 #define ABIT_UGURU3_SYNCHRONIZE_TIMEOUT 5
78 #define ABIT_UGURU3_NAME "abituguru3"
79 #define ABIT_UGURU3_DEBUG(format, arg...) \
81 printk(KERN_DEBUG ABIT_UGURU3_NAME ": " format , ## arg)
83 /* Macros to help calculate the sysfs_names array length */
84 #define ABIT_UGURU3_MAX_NO_SENSORS 26
86 * sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
87 * in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0
89 #define ABIT_UGURU3_IN_NAMES_LENGTH \
90 (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
92 * sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
93 * temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
96 #define ABIT_UGURU3_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16 + 13)
98 * sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
99 * fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0
101 #define ABIT_UGURU3_FAN_NAMES_LENGTH (12 + 10 + 12 + 19 + 11 + 15 + 12)
103 * Worst case scenario 16 in sensors (longest names_length) and the rest
104 * temp sensors (second longest names_length).
106 #define ABIT_UGURU3_SYSFS_NAMES_LENGTH (16 * ABIT_UGURU3_IN_NAMES_LENGTH + \
107 (ABIT_UGURU3_MAX_NO_SENSORS - 16) * ABIT_UGURU3_TEMP_NAMES_LENGTH)
110 * All the macros below are named identical to the openguru2 program
111 * reverse engineered by Louis Kruger, hence the names might not be 100%
112 * logical. I could come up with better names, but I prefer keeping the names
113 * identical so that this driver can be compared with his work more easily.
115 /* Two i/o-ports are used by uGuru */
116 #define ABIT_UGURU3_BASE 0x00E0
117 #define ABIT_UGURU3_CMD 0x00
118 #define ABIT_UGURU3_DATA 0x04
119 #define ABIT_UGURU3_REGION_LENGTH 5
121 * The wait_xxx functions return this on success and the last contents
122 * of the DATA register (0-255) on failure.
124 #define ABIT_UGURU3_SUCCESS -1
125 /* uGuru status flags */
126 #define ABIT_UGURU3_STATUS_READY_FOR_READ 0x01
127 #define ABIT_UGURU3_STATUS_BUSY 0x02
131 struct abituguru3_sensor_info {
140 /* Avoid use of flexible array members */
141 #define ABIT_UGURU3_MAX_DMI_NAMES 2
143 struct abituguru3_motherboard_info {
145 const char *dmi_name[ABIT_UGURU3_MAX_DMI_NAMES + 1];
146 /* + 1 -> end of sensors indicated by a sensor with name == NULL */
147 struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
151 * For the Abit uGuru, we need to keep some data in memory.
152 * The structure is dynamically allocated, at the same time when a new
153 * abituguru3 device is allocated.
155 struct abituguru3_data {
156 struct device *hwmon_dev; /* hwmon registered device */
157 struct mutex update_lock; /* protect access to data and uGuru */
158 unsigned short addr; /* uguru base address */
159 char valid; /* !=0 if following fields are valid */
160 unsigned long last_updated; /* In jiffies */
163 * For convenience the sysfs attr and their names are generated
164 * automatically. We have max 10 entries per sensor (for in sensors)
166 struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
169 /* Buffer to store the dynamically generated sysfs names */
170 char sysfs_names[ABIT_UGURU3_SYSFS_NAMES_LENGTH];
172 /* Pointer to the sensors info for the detected motherboard */
173 const struct abituguru3_sensor_info *sensors;
176 * The abituguru3 supports up to 48 sensors, and thus has registers
177 * sets for 48 sensors, for convienence reasons / simplicity of the
178 * code we always read and store all registers for all 48 sensors
181 /* Alarms for all 48 sensors (1 bit per sensor) */
184 /* Value of all 48 sensors */
188 * Settings of all 48 sensors, note in and temp sensors (the first 32
189 * sensors) have 3 bytes of settings, while fans only have 2 bytes,
190 * for convenience we use 3 bytes for all sensors
197 static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
198 { 0x000C, { NULL } /* Unknown, need DMI string */, {
199 { "CPU Core", 0, 0, 10, 1, 0 },
200 { "DDR", 1, 0, 10, 1, 0 },
201 { "DDR VTT", 2, 0, 10, 1, 0 },
202 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
203 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
204 { "MCH 2.5V", 5, 0, 20, 1, 0 },
205 { "ICH 1.05V", 6, 0, 10, 1, 0 },
206 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
207 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
208 { "ATX +5V", 9, 0, 30, 1, 0 },
209 { "+3.3V", 10, 0, 20, 1, 0 },
210 { "5VSB", 11, 0, 30, 1, 0 },
211 { "CPU", 24, 1, 1, 1, 0 },
212 { "System", 25, 1, 1, 1, 0 },
213 { "PWM", 26, 1, 1, 1, 0 },
214 { "CPU Fan", 32, 2, 60, 1, 0 },
215 { "NB Fan", 33, 2, 60, 1, 0 },
216 { "SYS FAN", 34, 2, 60, 1, 0 },
217 { "AUX1 Fan", 35, 2, 60, 1, 0 },
218 { NULL, 0, 0, 0, 0, 0 } }
220 { 0x000D, { NULL } /* Abit AW8, need DMI string */, {
221 { "CPU Core", 0, 0, 10, 1, 0 },
222 { "DDR", 1, 0, 10, 1, 0 },
223 { "DDR VTT", 2, 0, 10, 1, 0 },
224 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
225 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
226 { "MCH 2.5V", 5, 0, 20, 1, 0 },
227 { "ICH 1.05V", 6, 0, 10, 1, 0 },
228 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
229 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
230 { "ATX +5V", 9, 0, 30, 1, 0 },
231 { "+3.3V", 10, 0, 20, 1, 0 },
232 { "5VSB", 11, 0, 30, 1, 0 },
233 { "CPU", 24, 1, 1, 1, 0 },
234 { "System", 25, 1, 1, 1, 0 },
235 { "PWM1", 26, 1, 1, 1, 0 },
236 { "PWM2", 27, 1, 1, 1, 0 },
237 { "PWM3", 28, 1, 1, 1, 0 },
238 { "PWM4", 29, 1, 1, 1, 0 },
239 { "CPU Fan", 32, 2, 60, 1, 0 },
240 { "NB Fan", 33, 2, 60, 1, 0 },
241 { "SYS Fan", 34, 2, 60, 1, 0 },
242 { "AUX1 Fan", 35, 2, 60, 1, 0 },
243 { "AUX2 Fan", 36, 2, 60, 1, 0 },
244 { "AUX3 Fan", 37, 2, 60, 1, 0 },
245 { "AUX4 Fan", 38, 2, 60, 1, 0 },
246 { "AUX5 Fan", 39, 2, 60, 1, 0 },
247 { NULL, 0, 0, 0, 0, 0 } }
249 { 0x000E, { NULL } /* AL-8, need DMI string */, {
250 { "CPU Core", 0, 0, 10, 1, 0 },
251 { "DDR", 1, 0, 10, 1, 0 },
252 { "DDR VTT", 2, 0, 10, 1, 0 },
253 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
254 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
255 { "MCH 2.5V", 5, 0, 20, 1, 0 },
256 { "ICH 1.05V", 6, 0, 10, 1, 0 },
257 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
258 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
259 { "ATX +5V", 9, 0, 30, 1, 0 },
260 { "+3.3V", 10, 0, 20, 1, 0 },
261 { "5VSB", 11, 0, 30, 1, 0 },
262 { "CPU", 24, 1, 1, 1, 0 },
263 { "System", 25, 1, 1, 1, 0 },
264 { "PWM", 26, 1, 1, 1, 0 },
265 { "CPU Fan", 32, 2, 60, 1, 0 },
266 { "NB Fan", 33, 2, 60, 1, 0 },
267 { "SYS Fan", 34, 2, 60, 1, 0 },
268 { NULL, 0, 0, 0, 0, 0 } }
270 { 0x000F, { NULL } /* Unknown, need DMI string */, {
272 { "CPU Core", 0, 0, 10, 1, 0 },
273 { "DDR", 1, 0, 10, 1, 0 },
274 { "DDR VTT", 2, 0, 10, 1, 0 },
275 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
276 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
277 { "MCH 2.5V", 5, 0, 20, 1, 0 },
278 { "ICH 1.05V", 6, 0, 10, 1, 0 },
279 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
280 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
281 { "ATX +5V", 9, 0, 30, 1, 0 },
282 { "+3.3V", 10, 0, 20, 1, 0 },
283 { "5VSB", 11, 0, 30, 1, 0 },
284 { "CPU", 24, 1, 1, 1, 0 },
285 { "System", 25, 1, 1, 1, 0 },
286 { "PWM", 26, 1, 1, 1, 0 },
287 { "CPU Fan", 32, 2, 60, 1, 0 },
288 { "NB Fan", 33, 2, 60, 1, 0 },
289 { "SYS Fan", 34, 2, 60, 1, 0 },
290 { NULL, 0, 0, 0, 0, 0 } }
292 { 0x0010, { NULL } /* Abit NI8 SLI GR, need DMI string */, {
293 { "CPU Core", 0, 0, 10, 1, 0 },
294 { "DDR", 1, 0, 10, 1, 0 },
295 { "DDR VTT", 2, 0, 10, 1, 0 },
296 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
297 { "NB 1.4V", 4, 0, 10, 1, 0 },
298 { "SB 1.5V", 6, 0, 10, 1, 0 },
299 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
300 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
301 { "ATX +5V", 9, 0, 30, 1, 0 },
302 { "+3.3V", 10, 0, 20, 1, 0 },
303 { "5VSB", 11, 0, 30, 1, 0 },
304 { "CPU", 24, 1, 1, 1, 0 },
305 { "SYS", 25, 1, 1, 1, 0 },
306 { "PWM", 26, 1, 1, 1, 0 },
307 { "CPU Fan", 32, 2, 60, 1, 0 },
308 { "NB Fan", 33, 2, 60, 1, 0 },
309 { "SYS Fan", 34, 2, 60, 1, 0 },
310 { "AUX1 Fan", 35, 2, 60, 1, 0 },
311 { "OTES1 Fan", 36, 2, 60, 1, 0 },
312 { NULL, 0, 0, 0, 0, 0 } }
314 { 0x0011, { "AT8 32X", NULL }, {
315 { "CPU Core", 0, 0, 10, 1, 0 },
316 { "DDR", 1, 0, 20, 1, 0 },
317 { "DDR VTT", 2, 0, 10, 1, 0 },
318 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
319 { "NB 1.8V", 4, 0, 10, 1, 0 },
320 { "NB 1.8V Dual", 5, 0, 10, 1, 0 },
321 { "HTV 1.2", 3, 0, 10, 1, 0 },
322 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
323 { "NB 1.2V", 13, 0, 10, 1, 0 },
324 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
325 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
326 { "ATX +5V", 9, 0, 30, 1, 0 },
327 { "+3.3V", 10, 0, 20, 1, 0 },
328 { "5VSB", 11, 0, 30, 1, 0 },
329 { "CPU", 24, 1, 1, 1, 0 },
330 { "NB", 25, 1, 1, 1, 0 },
331 { "System", 26, 1, 1, 1, 0 },
332 { "PWM", 27, 1, 1, 1, 0 },
333 { "CPU Fan", 32, 2, 60, 1, 0 },
334 { "NB Fan", 33, 2, 60, 1, 0 },
335 { "SYS Fan", 34, 2, 60, 1, 0 },
336 { "AUX1 Fan", 35, 2, 60, 1, 0 },
337 { "AUX2 Fan", 36, 2, 60, 1, 0 },
338 { "AUX3 Fan", 37, 2, 60, 1, 0 },
339 { NULL, 0, 0, 0, 0, 0 } }
341 { 0x0012, { NULL } /* Abit AN8 32X, need DMI string */, {
342 { "CPU Core", 0, 0, 10, 1, 0 },
343 { "DDR", 1, 0, 20, 1, 0 },
344 { "DDR VTT", 2, 0, 10, 1, 0 },
345 { "HyperTransport", 3, 0, 10, 1, 0 },
346 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
347 { "NB", 4, 0, 10, 1, 0 },
348 { "SB", 6, 0, 10, 1, 0 },
349 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
350 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
351 { "ATX +5V", 9, 0, 30, 1, 0 },
352 { "+3.3V", 10, 0, 20, 1, 0 },
353 { "5VSB", 11, 0, 30, 1, 0 },
354 { "CPU", 24, 1, 1, 1, 0 },
355 { "SYS", 25, 1, 1, 1, 0 },
356 { "PWM", 26, 1, 1, 1, 0 },
357 { "CPU Fan", 32, 2, 60, 1, 0 },
358 { "NB Fan", 33, 2, 60, 1, 0 },
359 { "SYS Fan", 34, 2, 60, 1, 0 },
360 { "AUX1 Fan", 36, 2, 60, 1, 0 },
361 { NULL, 0, 0, 0, 0, 0 } }
363 { 0x0013, { NULL } /* Abit AW8D, need DMI string */, {
364 { "CPU Core", 0, 0, 10, 1, 0 },
365 { "DDR", 1, 0, 10, 1, 0 },
366 { "DDR VTT", 2, 0, 10, 1, 0 },
367 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
368 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
369 { "MCH 2.5V", 5, 0, 20, 1, 0 },
370 { "ICH 1.05V", 6, 0, 10, 1, 0 },
371 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
372 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
373 { "ATX +5V", 9, 0, 30, 1, 0 },
374 { "+3.3V", 10, 0, 20, 1, 0 },
375 { "5VSB", 11, 0, 30, 1, 0 },
376 { "CPU", 24, 1, 1, 1, 0 },
377 { "System", 25, 1, 1, 1, 0 },
378 { "PWM1", 26, 1, 1, 1, 0 },
379 { "PWM2", 27, 1, 1, 1, 0 },
380 { "PWM3", 28, 1, 1, 1, 0 },
381 { "PWM4", 29, 1, 1, 1, 0 },
382 { "CPU Fan", 32, 2, 60, 1, 0 },
383 { "NB Fan", 33, 2, 60, 1, 0 },
384 { "SYS Fan", 34, 2, 60, 1, 0 },
385 { "AUX1 Fan", 35, 2, 60, 1, 0 },
386 { "AUX2 Fan", 36, 2, 60, 1, 0 },
387 { "AUX3 Fan", 37, 2, 60, 1, 0 },
388 { "AUX4 Fan", 38, 2, 60, 1, 0 },
389 { "AUX5 Fan", 39, 2, 60, 1, 0 },
390 { NULL, 0, 0, 0, 0, 0 } }
392 { 0x0014, { "AB9", "AB9 Pro", NULL }, {
393 { "CPU Core", 0, 0, 10, 1, 0 },
394 { "DDR", 1, 0, 10, 1, 0 },
395 { "DDR VTT", 2, 0, 10, 1, 0 },
396 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
397 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
398 { "MCH 2.5V", 5, 0, 20, 1, 0 },
399 { "ICH 1.05V", 6, 0, 10, 1, 0 },
400 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
401 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
402 { "ATX +5V", 9, 0, 30, 1, 0 },
403 { "+3.3V", 10, 0, 20, 1, 0 },
404 { "5VSB", 11, 0, 30, 1, 0 },
405 { "CPU", 24, 1, 1, 1, 0 },
406 { "System", 25, 1, 1, 1, 0 },
407 { "PWM", 26, 1, 1, 1, 0 },
408 { "CPU Fan", 32, 2, 60, 1, 0 },
409 { "NB Fan", 33, 2, 60, 1, 0 },
410 { "SYS Fan", 34, 2, 60, 1, 0 },
411 { NULL, 0, 0, 0, 0, 0 } }
413 { 0x0015, { NULL } /* Unknown, need DMI string */, {
414 { "CPU Core", 0, 0, 10, 1, 0 },
415 { "DDR", 1, 0, 20, 1, 0 },
416 { "DDR VTT", 2, 0, 10, 1, 0 },
417 { "HyperTransport", 3, 0, 10, 1, 0 },
418 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
419 { "NB", 4, 0, 10, 1, 0 },
420 { "SB", 6, 0, 10, 1, 0 },
421 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
422 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
423 { "ATX +5V", 9, 0, 30, 1, 0 },
424 { "+3.3V", 10, 0, 20, 1, 0 },
425 { "5VSB", 11, 0, 30, 1, 0 },
426 { "CPU", 24, 1, 1, 1, 0 },
427 { "SYS", 25, 1, 1, 1, 0 },
428 { "PWM", 26, 1, 1, 1, 0 },
429 { "CPU Fan", 32, 2, 60, 1, 0 },
430 { "NB Fan", 33, 2, 60, 1, 0 },
431 { "SYS Fan", 34, 2, 60, 1, 0 },
432 { "AUX1 Fan", 33, 2, 60, 1, 0 },
433 { "AUX2 Fan", 35, 2, 60, 1, 0 },
434 { "AUX3 Fan", 36, 2, 60, 1, 0 },
435 { NULL, 0, 0, 0, 0, 0 } }
437 { 0x0016, { "AW9D-MAX", NULL }, {
438 { "CPU Core", 0, 0, 10, 1, 0 },
439 { "DDR2", 1, 0, 20, 1, 0 },
440 { "DDR2 VTT", 2, 0, 10, 1, 0 },
441 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
442 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
443 { "MCH 2.5V", 5, 0, 20, 1, 0 },
444 { "ICH 1.05V", 6, 0, 10, 1, 0 },
445 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
446 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
447 { "ATX +5V", 9, 0, 30, 1, 0 },
448 { "+3.3V", 10, 0, 20, 1, 0 },
449 { "5VSB", 11, 0, 30, 1, 0 },
450 { "CPU", 24, 1, 1, 1, 0 },
451 { "System", 25, 1, 1, 1, 0 },
452 { "PWM1", 26, 1, 1, 1, 0 },
453 { "PWM2", 27, 1, 1, 1, 0 },
454 { "PWM3", 28, 1, 1, 1, 0 },
455 { "PWM4", 29, 1, 1, 1, 0 },
456 { "CPU Fan", 32, 2, 60, 1, 0 },
457 { "NB Fan", 33, 2, 60, 1, 0 },
458 { "SYS Fan", 34, 2, 60, 1, 0 },
459 { "AUX1 Fan", 35, 2, 60, 1, 0 },
460 { "AUX2 Fan", 36, 2, 60, 1, 0 },
461 { "AUX3 Fan", 37, 2, 60, 1, 0 },
462 { "OTES1 Fan", 38, 2, 60, 1, 0 },
463 { NULL, 0, 0, 0, 0, 0 } }
465 { 0x0017, { NULL } /* Unknown, need DMI string */, {
466 { "CPU Core", 0, 0, 10, 1, 0 },
467 { "DDR2", 1, 0, 20, 1, 0 },
468 { "DDR2 VTT", 2, 0, 10, 1, 0 },
469 { "HyperTransport", 3, 0, 10, 1, 0 },
470 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
471 { "NB 1.8V", 4, 0, 10, 1, 0 },
472 { "NB 1.2V ", 13, 0, 10, 1, 0 },
473 { "SB 1.2V", 5, 0, 10, 1, 0 },
474 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
475 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
476 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
477 { "ATX +5V", 9, 0, 30, 1, 0 },
478 { "ATX +3.3V", 10, 0, 20, 1, 0 },
479 { "ATX 5VSB", 11, 0, 30, 1, 0 },
480 { "CPU", 24, 1, 1, 1, 0 },
481 { "System", 26, 1, 1, 1, 0 },
482 { "PWM", 27, 1, 1, 1, 0 },
483 { "CPU FAN", 32, 2, 60, 1, 0 },
484 { "SYS FAN", 34, 2, 60, 1, 0 },
485 { "AUX1 FAN", 35, 2, 60, 1, 0 },
486 { "AUX2 FAN", 36, 2, 60, 1, 0 },
487 { "AUX3 FAN", 37, 2, 60, 1, 0 },
488 { NULL, 0, 0, 0, 0, 0 } }
490 { 0x0018, { "AB9 QuadGT", NULL }, {
491 { "CPU Core", 0, 0, 10, 1, 0 },
492 { "DDR2", 1, 0, 20, 1, 0 },
493 { "DDR2 VTT", 2, 0, 10, 1, 0 },
494 { "CPU VTT", 3, 0, 10, 1, 0 },
495 { "MCH 1.25V", 4, 0, 10, 1, 0 },
496 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
497 { "ICH 1.05V", 6, 0, 10, 1, 0 },
498 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
499 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
500 { "ATX +5V", 9, 0, 30, 1, 0 },
501 { "+3.3V", 10, 0, 20, 1, 0 },
502 { "5VSB", 11, 0, 30, 1, 0 },
503 { "CPU", 24, 1, 1, 1, 0 },
504 { "System", 25, 1, 1, 1, 0 },
505 { "PWM Phase1", 26, 1, 1, 1, 0 },
506 { "PWM Phase2", 27, 1, 1, 1, 0 },
507 { "PWM Phase3", 28, 1, 1, 1, 0 },
508 { "PWM Phase4", 29, 1, 1, 1, 0 },
509 { "PWM Phase5", 30, 1, 1, 1, 0 },
510 { "CPU Fan", 32, 2, 60, 1, 0 },
511 { "SYS Fan", 34, 2, 60, 1, 0 },
512 { "AUX1 Fan", 33, 2, 60, 1, 0 },
513 { "AUX2 Fan", 35, 2, 60, 1, 0 },
514 { "AUX3 Fan", 36, 2, 60, 1, 0 },
515 { NULL, 0, 0, 0, 0, 0 } }
517 { 0x0019, { "IN9 32X MAX", NULL }, {
518 { "CPU Core", 7, 0, 10, 1, 0 },
519 { "DDR2", 13, 0, 20, 1, 0 },
520 { "DDR2 VTT", 14, 0, 10, 1, 0 },
521 { "CPU VTT", 3, 0, 20, 1, 0 },
522 { "NB 1.2V", 4, 0, 10, 1, 0 },
523 { "SB 1.5V", 6, 0, 10, 1, 0 },
524 { "HyperTransport", 5, 0, 10, 1, 0 },
525 { "ATX +12V (24-Pin)", 12, 0, 60, 1, 0 },
526 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
527 { "ATX +5V", 9, 0, 30, 1, 0 },
528 { "ATX +3.3V", 10, 0, 20, 1, 0 },
529 { "ATX 5VSB", 11, 0, 30, 1, 0 },
530 { "CPU", 24, 1, 1, 1, 0 },
531 { "System", 25, 1, 1, 1, 0 },
532 { "PWM Phase1", 26, 1, 1, 1, 0 },
533 { "PWM Phase2", 27, 1, 1, 1, 0 },
534 { "PWM Phase3", 28, 1, 1, 1, 0 },
535 { "PWM Phase4", 29, 1, 1, 1, 0 },
536 { "PWM Phase5", 30, 1, 1, 1, 0 },
537 { "CPU FAN", 32, 2, 60, 1, 0 },
538 { "SYS FAN", 34, 2, 60, 1, 0 },
539 { "AUX1 FAN", 33, 2, 60, 1, 0 },
540 { "AUX2 FAN", 35, 2, 60, 1, 0 },
541 { "AUX3 FAN", 36, 2, 60, 1, 0 },
542 { NULL, 0, 0, 0, 0, 0 } }
544 { 0x001A, { "IP35 Pro", "IP35 Pro XE", NULL }, {
545 { "CPU Core", 0, 0, 10, 1, 0 },
546 { "DDR2", 1, 0, 20, 1, 0 },
547 { "DDR2 VTT", 2, 0, 10, 1, 0 },
548 { "CPU VTT 1.2V", 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", 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 { "AUX4 Fan", 37, 2, 60, 1, 0 },
570 { NULL, 0, 0, 0, 0, 0 } }
572 { 0x001B, { NULL } /* Unknown, need DMI string */, {
573 { "CPU Core", 0, 0, 10, 1, 0 },
574 { "DDR3", 1, 0, 20, 1, 0 },
575 { "DDR3 VTT", 2, 0, 10, 1, 0 },
576 { "CPU VTT", 3, 0, 10, 1, 0 },
577 { "MCH 1.25V", 4, 0, 10, 1, 0 },
578 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
579 { "ICH 1.05V", 6, 0, 10, 1, 0 },
580 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
581 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
582 { "ATX +5V", 9, 0, 30, 1, 0 },
583 { "+3.3V", 10, 0, 20, 1, 0 },
584 { "5VSB", 11, 0, 30, 1, 0 },
585 { "CPU", 24, 1, 1, 1, 0 },
586 { "System", 25, 1, 1, 1, 0 },
587 { "PWM Phase1", 26, 1, 1, 1, 0 },
588 { "PWM Phase2", 27, 1, 1, 1, 0 },
589 { "PWM Phase3", 28, 1, 1, 1, 0 },
590 { "PWM Phase4", 29, 1, 1, 1, 0 },
591 { "PWM Phase5", 30, 1, 1, 1, 0 },
592 { "CPU Fan", 32, 2, 60, 1, 0 },
593 { "SYS Fan", 34, 2, 60, 1, 0 },
594 { "AUX1 Fan", 33, 2, 60, 1, 0 },
595 { "AUX2 Fan", 35, 2, 60, 1, 0 },
596 { "AUX3 Fan", 36, 2, 60, 1, 0 },
597 { NULL, 0, 0, 0, 0, 0 } }
599 { 0x001C, { "IX38 QuadGT", NULL }, {
600 { "CPU Core", 0, 0, 10, 1, 0 },
601 { "DDR2", 1, 0, 20, 1, 0 },
602 { "DDR2 VTT", 2, 0, 10, 1, 0 },
603 { "CPU VTT", 3, 0, 10, 1, 0 },
604 { "MCH 1.25V", 4, 0, 10, 1, 0 },
605 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
606 { "ICH 1.05V", 6, 0, 10, 1, 0 },
607 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
608 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
609 { "ATX +5V", 9, 0, 30, 1, 0 },
610 { "+3.3V", 10, 0, 20, 1, 0 },
611 { "5VSB", 11, 0, 30, 1, 0 },
612 { "CPU", 24, 1, 1, 1, 0 },
613 { "System", 25, 1, 1, 1, 0 },
614 { "PWM Phase1", 26, 1, 1, 1, 0 },
615 { "PWM Phase2", 27, 1, 1, 1, 0 },
616 { "PWM Phase3", 28, 1, 1, 1, 0 },
617 { "PWM Phase4", 29, 1, 1, 1, 0 },
618 { "PWM Phase5", 30, 1, 1, 1, 0 },
619 { "CPU Fan", 32, 2, 60, 1, 0 },
620 { "SYS Fan", 34, 2, 60, 1, 0 },
621 { "AUX1 Fan", 33, 2, 60, 1, 0 },
622 { "AUX2 Fan", 35, 2, 60, 1, 0 },
623 { "AUX3 Fan", 36, 2, 60, 1, 0 },
624 { NULL, 0, 0, 0, 0, 0 } }
626 { 0x0000, { NULL }, { { NULL, 0, 0, 0, 0, 0 } } }
630 /* Insmod parameters */
632 module_param(force, bool, 0);
633 MODULE_PARM_DESC(force, "Set to one to force detection.");
634 /* Default verbose is 1, since this driver is still in the testing phase */
635 static bool verbose = 1;
636 module_param(verbose, bool, 0644);
637 MODULE_PARM_DESC(verbose, "Enable/disable verbose error reporting");
639 static const char *never_happen = "This should never happen.";
640 static const char *report_this =
641 "Please report this to the abituguru3 maintainer (see MAINTAINERS)";
643 /* wait while the uguru is busy (usually after a write) */
644 static int abituguru3_wait_while_busy(struct abituguru3_data *data)
647 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
649 while ((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
650 ABIT_UGURU3_STATUS_BUSY) {
655 * sleep a bit before our last try, to give the uGuru3 one
656 * last chance to respond.
661 return ABIT_UGURU3_SUCCESS;
664 /* wait till uguru is ready to be read */
665 static int abituguru3_wait_for_read(struct abituguru3_data *data)
668 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
670 while (!((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
671 ABIT_UGURU3_STATUS_READY_FOR_READ)) {
676 * sleep a bit before our last try, to give the uGuru3 one
677 * last chance to respond.
682 return ABIT_UGURU3_SUCCESS;
686 * This synchronizes us with the uGuru3's protocol state machine, this
687 * must be done before each command.
689 static int abituguru3_synchronize(struct abituguru3_data *data)
691 int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
693 x = abituguru3_wait_while_busy(data);
694 if (x != ABIT_UGURU3_SUCCESS) {
695 ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
696 "wait, status: 0x%02x\n", x);
700 outb(0x20, data->addr + ABIT_UGURU3_DATA);
701 x = abituguru3_wait_while_busy(data);
702 if (x != ABIT_UGURU3_SUCCESS) {
703 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
704 "status: 0x%02x\n", x);
708 outb(0x10, data->addr + ABIT_UGURU3_CMD);
709 x = abituguru3_wait_while_busy(data);
710 if (x != ABIT_UGURU3_SUCCESS) {
711 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
712 "status: 0x%02x\n", x);
716 outb(0x00, data->addr + ABIT_UGURU3_CMD);
717 x = abituguru3_wait_while_busy(data);
718 if (x != ABIT_UGURU3_SUCCESS) {
719 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
720 "status: 0x%02x\n", x);
724 x = abituguru3_wait_for_read(data);
725 if (x != ABIT_UGURU3_SUCCESS) {
726 ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
727 "status: 0x%02x\n", x);
731 while ((x = inb(data->addr + ABIT_UGURU3_CMD)) != 0xAC) {
734 ABIT_UGURU3_DEBUG("synchronize timeout cmd does not "
735 "hold 0xAC after synchronize, cmd: 0x%02x\n",
745 * Read count bytes from sensor sensor_addr in bank bank_addr and store the
748 static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
753 x = abituguru3_synchronize(data);
757 outb(0x1A, data->addr + ABIT_UGURU3_DATA);
758 x = abituguru3_wait_while_busy(data);
759 if (x != ABIT_UGURU3_SUCCESS) {
760 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
761 "sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
762 (unsigned int)offset, x);
766 outb(bank, data->addr + ABIT_UGURU3_CMD);
767 x = abituguru3_wait_while_busy(data);
768 if (x != ABIT_UGURU3_SUCCESS) {
769 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
770 "sending the bank, status: 0x%02x\n",
771 (unsigned int)bank, (unsigned int)offset, x);
775 outb(offset, data->addr + ABIT_UGURU3_CMD);
776 x = abituguru3_wait_while_busy(data);
777 if (x != ABIT_UGURU3_SUCCESS) {
778 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
779 "sending the offset, status: 0x%02x\n",
780 (unsigned int)bank, (unsigned int)offset, x);
784 outb(count, data->addr + ABIT_UGURU3_CMD);
785 x = abituguru3_wait_while_busy(data);
786 if (x != ABIT_UGURU3_SUCCESS) {
787 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
788 "sending the count, status: 0x%02x\n",
789 (unsigned int)bank, (unsigned int)offset, x);
793 for (i = 0; i < count; i++) {
794 x = abituguru3_wait_for_read(data);
795 if (x != ABIT_UGURU3_SUCCESS) {
796 ABIT_UGURU3_DEBUG("timeout reading byte %d from "
797 "0x%02x:0x%02x, status: 0x%02x\n", i,
798 (unsigned int)bank, (unsigned int)offset, x);
801 buf[i] = inb(data->addr + ABIT_UGURU3_CMD);
807 * Sensor settings are stored 1 byte per offset with the bytes
808 * placed add consecutive offsets.
810 static int abituguru3_read_increment_offset(struct abituguru3_data *data,
811 u8 bank, u8 offset, u8 count,
812 u8 *buf, int offset_count)
816 for (i = 0; i < offset_count; i++) {
817 x = abituguru3_read(data, bank, offset + i, count,
822 return i * count + x;
830 * Following are the sysfs callback functions. These functions expect:
831 * sensor_device_attribute_2->index: index into the data->sensors array
832 * sensor_device_attribute_2->nr: register offset, bitmask or NA.
834 static struct abituguru3_data *abituguru3_update_device(struct device *dev);
836 static ssize_t show_value(struct device *dev,
837 struct device_attribute *devattr, char *buf)
840 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
841 struct abituguru3_data *data = abituguru3_update_device(dev);
842 const struct abituguru3_sensor_info *sensor;
847 sensor = &data->sensors[attr->index];
849 /* are we reading a setting, or is this a normal read? */
851 value = data->settings[sensor->port][attr->nr];
853 value = data->value[sensor->port];
855 /* convert the value */
856 value = (value * sensor->multiplier) / sensor->divisor +
860 * alternatively we could update the sensors settings struct for this,
861 * but then its contents would differ from the windows sw ini files
863 if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
866 return sprintf(buf, "%d\n", value);
869 static ssize_t show_alarm(struct device *dev,
870 struct device_attribute *devattr, char *buf)
873 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
874 struct abituguru3_data *data = abituguru3_update_device(dev);
879 port = data->sensors[attr->index].port;
882 * See if the alarm bit for this sensor is set and if a bitmask is
883 * given in attr->nr also check if the alarm matches the type of alarm
884 * we're looking for (for volt it can be either low or high). The type
885 * is stored in a few readonly bits in the settings of the sensor.
887 if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
888 (!attr->nr || (data->settings[port][0] & attr->nr)))
889 return sprintf(buf, "1\n");
891 return sprintf(buf, "0\n");
894 static ssize_t show_mask(struct device *dev,
895 struct device_attribute *devattr, char *buf)
897 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
898 struct abituguru3_data *data = dev_get_drvdata(dev);
900 if (data->settings[data->sensors[attr->index].port][0] & attr->nr)
901 return sprintf(buf, "1\n");
903 return sprintf(buf, "0\n");
906 static ssize_t show_label(struct device *dev,
907 struct device_attribute *devattr, char *buf)
909 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
910 struct abituguru3_data *data = dev_get_drvdata(dev);
912 return sprintf(buf, "%s\n", data->sensors[attr->index].name);
915 static ssize_t show_name(struct device *dev,
916 struct device_attribute *devattr, char *buf)
918 return sprintf(buf, "%s\n", ABIT_UGURU3_NAME);
921 /* Sysfs attr templates, the real entries are generated automatically. */
923 struct sensor_device_attribute_2 abituguru3_sysfs_templ[3][10] = { {
924 SENSOR_ATTR_2(in%d_input, 0444, show_value, NULL, 0, 0),
925 SENSOR_ATTR_2(in%d_min, 0444, show_value, NULL, 1, 0),
926 SENSOR_ATTR_2(in%d_max, 0444, show_value, NULL, 2, 0),
927 SENSOR_ATTR_2(in%d_min_alarm, 0444, show_alarm, NULL,
928 ABIT_UGURU3_VOLT_LOW_ALARM_FLAG, 0),
929 SENSOR_ATTR_2(in%d_max_alarm, 0444, show_alarm, NULL,
930 ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG, 0),
931 SENSOR_ATTR_2(in%d_beep, 0444, show_mask, NULL,
932 ABIT_UGURU3_BEEP_ENABLE, 0),
933 SENSOR_ATTR_2(in%d_shutdown, 0444, show_mask, NULL,
934 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
935 SENSOR_ATTR_2(in%d_min_alarm_enable, 0444, show_mask, NULL,
936 ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE, 0),
937 SENSOR_ATTR_2(in%d_max_alarm_enable, 0444, show_mask, NULL,
938 ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE, 0),
939 SENSOR_ATTR_2(in%d_label, 0444, show_label, NULL, 0, 0)
941 SENSOR_ATTR_2(temp%d_input, 0444, show_value, NULL, 0, 0),
942 SENSOR_ATTR_2(temp%d_max, 0444, show_value, NULL, 1, 0),
943 SENSOR_ATTR_2(temp%d_crit, 0444, show_value, NULL, 2, 0),
944 SENSOR_ATTR_2(temp%d_alarm, 0444, show_alarm, NULL, 0, 0),
945 SENSOR_ATTR_2(temp%d_beep, 0444, show_mask, NULL,
946 ABIT_UGURU3_BEEP_ENABLE, 0),
947 SENSOR_ATTR_2(temp%d_shutdown, 0444, show_mask, NULL,
948 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
949 SENSOR_ATTR_2(temp%d_alarm_enable, 0444, show_mask, NULL,
950 ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE, 0),
951 SENSOR_ATTR_2(temp%d_label, 0444, show_label, NULL, 0, 0)
953 SENSOR_ATTR_2(fan%d_input, 0444, show_value, NULL, 0, 0),
954 SENSOR_ATTR_2(fan%d_min, 0444, show_value, NULL, 1, 0),
955 SENSOR_ATTR_2(fan%d_alarm, 0444, show_alarm, NULL, 0, 0),
956 SENSOR_ATTR_2(fan%d_beep, 0444, show_mask, NULL,
957 ABIT_UGURU3_BEEP_ENABLE, 0),
958 SENSOR_ATTR_2(fan%d_shutdown, 0444, show_mask, NULL,
959 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
960 SENSOR_ATTR_2(fan%d_alarm_enable, 0444, show_mask, NULL,
961 ABIT_UGURU3_FAN_LOW_ALARM_ENABLE, 0),
962 SENSOR_ATTR_2(fan%d_label, 0444, show_label, NULL, 0, 0)
965 static struct sensor_device_attribute_2 abituguru3_sysfs_attr[] = {
966 SENSOR_ATTR_2(name, 0444, show_name, NULL, 0, 0),
969 static int abituguru3_probe(struct platform_device *pdev)
971 const int no_sysfs_attr[3] = { 10, 8, 7 };
972 int sensor_index[3] = { 0, 1, 1 };
973 struct abituguru3_data *data;
974 int i, j, type, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
975 char *sysfs_filename;
979 data = devm_kzalloc(&pdev->dev, sizeof(struct abituguru3_data),
984 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
985 mutex_init(&data->update_lock);
986 platform_set_drvdata(pdev, data);
988 /* Read the motherboard ID */
989 i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK, ABIT_UGURU3_BOARD_ID,
992 goto abituguru3_probe_error;
994 /* Completely read the uGuru to see if one really is there */
995 if (!abituguru3_update_device(&pdev->dev))
996 goto abituguru3_probe_error;
998 /* lookup the ID in our motherboard table */
999 id = ((u16)buf[0] << 8) | (u16)buf[1];
1000 for (i = 0; abituguru3_motherboards[i].id; i++)
1001 if (abituguru3_motherboards[i].id == id)
1003 if (!abituguru3_motherboards[i].id) {
1004 pr_err("error unknown motherboard ID: %04X. %s\n",
1005 (unsigned int)id, report_this);
1006 goto abituguru3_probe_error;
1008 data->sensors = abituguru3_motherboards[i].sensors;
1010 pr_info("found Abit uGuru3, motherboard ID: %04X\n", (unsigned int)id);
1012 /* Fill the sysfs attr array */
1014 sysfs_filename = data->sysfs_names;
1015 sysfs_names_free = ABIT_UGURU3_SYSFS_NAMES_LENGTH;
1016 for (i = 0; data->sensors[i].name; i++) {
1017 /* Fail safe check, this should never happen! */
1018 if (i >= ABIT_UGURU3_MAX_NO_SENSORS) {
1019 pr_err("Fatal error motherboard has more sensors then ABIT_UGURU3_MAX_NO_SENSORS. %s %s\n",
1020 never_happen, report_this);
1021 res = -ENAMETOOLONG;
1022 goto abituguru3_probe_error;
1024 type = data->sensors[i].type;
1025 for (j = 0; j < no_sysfs_attr[type]; j++) {
1026 used = snprintf(sysfs_filename, sysfs_names_free,
1027 abituguru3_sysfs_templ[type][j].dev_attr.attr.
1028 name, sensor_index[type]) + 1;
1029 data->sysfs_attr[sysfs_attr_i] =
1030 abituguru3_sysfs_templ[type][j];
1031 data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name =
1033 data->sysfs_attr[sysfs_attr_i].index = i;
1034 sysfs_filename += used;
1035 sysfs_names_free -= used;
1038 sensor_index[type]++;
1040 /* Fail safe check, this should never happen! */
1041 if (sysfs_names_free < 0) {
1042 pr_err("Fatal error ran out of space for sysfs attr names. %s %s\n",
1043 never_happen, report_this);
1044 res = -ENAMETOOLONG;
1045 goto abituguru3_probe_error;
1048 /* Register sysfs hooks */
1049 for (i = 0; i < sysfs_attr_i; i++)
1050 if (device_create_file(&pdev->dev,
1051 &data->sysfs_attr[i].dev_attr))
1052 goto abituguru3_probe_error;
1053 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1054 if (device_create_file(&pdev->dev,
1055 &abituguru3_sysfs_attr[i].dev_attr))
1056 goto abituguru3_probe_error;
1058 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1059 if (IS_ERR(data->hwmon_dev)) {
1060 res = PTR_ERR(data->hwmon_dev);
1061 goto abituguru3_probe_error;
1064 return 0; /* success */
1066 abituguru3_probe_error:
1067 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1068 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1069 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1070 device_remove_file(&pdev->dev,
1071 &abituguru3_sysfs_attr[i].dev_attr);
1075 static int abituguru3_remove(struct platform_device *pdev)
1078 struct abituguru3_data *data = platform_get_drvdata(pdev);
1080 platform_set_drvdata(pdev, NULL);
1081 hwmon_device_unregister(data->hwmon_dev);
1082 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1083 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1084 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1085 device_remove_file(&pdev->dev,
1086 &abituguru3_sysfs_attr[i].dev_attr);
1090 static struct abituguru3_data *abituguru3_update_device(struct device *dev)
1093 struct abituguru3_data *data = dev_get_drvdata(dev);
1095 mutex_lock(&data->update_lock);
1096 if (!data->valid || time_after(jiffies, data->last_updated + HZ)) {
1097 /* Clear data->valid while updating */
1100 if (abituguru3_read_increment_offset(data,
1101 ABIT_UGURU3_SETTINGS_BANK,
1102 ABIT_UGURU3_ALARMS_START,
1103 1, data->alarms, 48/8) != (48/8))
1105 /* Read in and temp sensors (3 byte settings / sensor) */
1106 for (i = 0; i < 32; i++) {
1107 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1108 ABIT_UGURU3_VALUES_START + i,
1109 1, &data->value[i]) != 1)
1111 if (abituguru3_read_increment_offset(data,
1112 ABIT_UGURU3_SETTINGS_BANK,
1113 ABIT_UGURU3_SETTINGS_START + i * 3,
1115 data->settings[i], 3) != 3)
1118 /* Read temp sensors (2 byte settings / sensor) */
1119 for (i = 0; i < 16; i++) {
1120 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1121 ABIT_UGURU3_VALUES_START + 32 + i,
1122 1, &data->value[32 + i]) != 1)
1124 if (abituguru3_read_increment_offset(data,
1125 ABIT_UGURU3_SETTINGS_BANK,
1126 ABIT_UGURU3_SETTINGS_START + 32 * 3 +
1128 data->settings[32 + i], 2) != 2)
1131 data->last_updated = jiffies;
1135 mutex_unlock(&data->update_lock);
1142 #ifdef CONFIG_PM_SLEEP
1143 static int abituguru3_suspend(struct device *dev)
1145 struct abituguru3_data *data = dev_get_drvdata(dev);
1147 * make sure all communications with the uguru3 are done and no new
1150 mutex_lock(&data->update_lock);
1154 static int abituguru3_resume(struct device *dev)
1156 struct abituguru3_data *data = dev_get_drvdata(dev);
1157 mutex_unlock(&data->update_lock);
1161 static SIMPLE_DEV_PM_OPS(abituguru3_pm, abituguru3_suspend, abituguru3_resume);
1162 #define ABIT_UGURU3_PM &abituguru3_pm
1164 #define ABIT_UGURU3_PM NULL
1165 #endif /* CONFIG_PM */
1167 static struct platform_driver abituguru3_driver = {
1169 .owner = THIS_MODULE,
1170 .name = ABIT_UGURU3_NAME,
1171 .pm = ABIT_UGURU3_PM
1173 .probe = abituguru3_probe,
1174 .remove = abituguru3_remove,
1177 static int __init abituguru3_dmi_detect(void)
1179 const char *board_vendor, *board_name;
1180 int i, err = (force) ? 1 : -ENODEV;
1181 const char *const *dmi_name;
1184 board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
1185 if (!board_vendor || strcmp(board_vendor, "http://www.abit.com.tw/"))
1188 board_name = dmi_get_system_info(DMI_BOARD_NAME);
1193 * At the moment, we don't care about the part of the vendor
1194 * DMI string contained in brackets. Truncate the string at
1195 * the first occurrence of a bracket. Trim any trailing space
1196 * from the substring.
1198 sublen = strcspn(board_name, "(");
1199 while (sublen > 0 && board_name[sublen - 1] == ' ')
1202 for (i = 0; abituguru3_motherboards[i].id; i++) {
1203 dmi_name = abituguru3_motherboards[i].dmi_name;
1204 for ( ; *dmi_name; dmi_name++) {
1205 if (strlen(*dmi_name) != sublen)
1207 if (!strncasecmp(board_name, *dmi_name, sublen))
1212 /* No match found */
1217 * FIXME: Manual detection should die eventually; we need to collect stable
1218 * DMI model names first before we can rely entirely on CONFIG_DMI.
1221 static int __init abituguru3_detect(void)
1224 * See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
1225 * 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
1226 * or 0x55 at CMD instead, why is unknown.
1228 u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
1229 u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
1230 if (((data_val == 0x00) || (data_val == 0x08)) &&
1231 ((cmd_val == 0xAC) || (cmd_val == 0x05) ||
1235 ABIT_UGURU3_DEBUG("no Abit uGuru3 found, data = 0x%02X, cmd = "
1236 "0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val);
1239 pr_info("Assuming Abit uGuru3 is present because of \"force\" parameter\n");
1243 /* No uGuru3 found */
1247 static struct platform_device *abituguru3_pdev;
1249 static int __init abituguru3_init(void)
1251 struct resource res = { .flags = IORESOURCE_IO };
1254 /* Attempt DMI detection first */
1255 err = abituguru3_dmi_detect();
1260 * Fall back to manual detection if there was no exact
1261 * board name match, or force was specified.
1264 err = abituguru3_detect();
1268 pr_warn("this motherboard was not detected using DMI. "
1269 "Please send the output of \"dmidecode\" to the abituguru3 maintainer (see MAINTAINERS)\n");
1272 err = platform_driver_register(&abituguru3_driver);
1276 abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME,
1278 if (!abituguru3_pdev) {
1279 pr_err("Device allocation failed\n");
1281 goto exit_driver_unregister;
1284 res.start = ABIT_UGURU3_BASE;
1285 res.end = ABIT_UGURU3_BASE + ABIT_UGURU3_REGION_LENGTH - 1;
1286 res.name = ABIT_UGURU3_NAME;
1288 err = platform_device_add_resources(abituguru3_pdev, &res, 1);
1290 pr_err("Device resource addition failed (%d)\n", err);
1291 goto exit_device_put;
1294 err = platform_device_add(abituguru3_pdev);
1296 pr_err("Device addition failed (%d)\n", err);
1297 goto exit_device_put;
1303 platform_device_put(abituguru3_pdev);
1304 exit_driver_unregister:
1305 platform_driver_unregister(&abituguru3_driver);
1310 static void __exit abituguru3_exit(void)
1312 platform_device_unregister(abituguru3_pdev);
1313 platform_driver_unregister(&abituguru3_driver);
1316 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
1317 MODULE_DESCRIPTION("Abit uGuru3 Sensor device");
1318 MODULE_LICENSE("GPL");
1320 module_init(abituguru3_init);
1321 module_exit(abituguru3_exit);