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 struct abituguru3_motherboard_info {
122 const char *dmi_name;
123 /* + 1 -> end of sensors indicated by a sensor with name == NULL */
124 struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
127 /* For the Abit uGuru, we need to keep some data in memory.
128 The structure is dynamically allocated, at the same time when a new
129 abituguru3 device is allocated. */
130 struct abituguru3_data {
131 struct device *hwmon_dev; /* hwmon registered device */
132 struct mutex update_lock; /* protect access to data and uGuru */
133 unsigned short addr; /* uguru base address */
134 char valid; /* !=0 if following fields are valid */
135 unsigned long last_updated; /* In jiffies */
137 /* For convenience the sysfs attr and their names are generated
138 automatically. We have max 10 entries per sensor (for in sensors) */
139 struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
142 /* Buffer to store the dynamically generated sysfs names */
143 char sysfs_names[ABIT_UGURU3_SYSFS_NAMES_LENGTH];
145 /* Pointer to the sensors info for the detected motherboard */
146 const struct abituguru3_sensor_info *sensors;
148 /* The abituguru3 supports upto 48 sensors, and thus has registers
149 sets for 48 sensors, for convienence reasons / simplicity of the
150 code we always read and store all registers for all 48 sensors */
152 /* Alarms for all 48 sensors (1 bit per sensor) */
155 /* Value of all 48 sensors */
158 /* Settings of all 48 sensors, note in and temp sensors (the first 32
159 sensors) have 3 bytes of settings, while fans only have 2 bytes,
160 for convenience we use 3 bytes for all sensors */
166 static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
167 { 0x000C, NULL /* Unknown, need DMI string */, {
168 { "CPU Core", 0, 0, 10, 1, 0 },
169 { "DDR", 1, 0, 10, 1, 0 },
170 { "DDR VTT", 2, 0, 10, 1, 0 },
171 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
172 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
173 { "MCH 2.5V", 5, 0, 20, 1, 0 },
174 { "ICH 1.05V", 6, 0, 10, 1, 0 },
175 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
176 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
177 { "ATX +5V", 9, 0, 30, 1, 0 },
178 { "+3.3V", 10, 0, 20, 1, 0 },
179 { "5VSB", 11, 0, 30, 1, 0 },
180 { "CPU", 24, 1, 1, 1, 0 },
181 { "System", 25, 1, 1, 1, 0 },
182 { "PWM", 26, 1, 1, 1, 0 },
183 { "CPU Fan", 32, 2, 60, 1, 0 },
184 { "NB Fan", 33, 2, 60, 1, 0 },
185 { "SYS FAN", 34, 2, 60, 1, 0 },
186 { "AUX1 Fan", 35, 2, 60, 1, 0 },
187 { NULL, 0, 0, 0, 0, 0 } }
189 { 0x000D, NULL /* Abit AW8, need DMI string */, {
190 { "CPU Core", 0, 0, 10, 1, 0 },
191 { "DDR", 1, 0, 10, 1, 0 },
192 { "DDR VTT", 2, 0, 10, 1, 0 },
193 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
194 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
195 { "MCH 2.5V", 5, 0, 20, 1, 0 },
196 { "ICH 1.05V", 6, 0, 10, 1, 0 },
197 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
198 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
199 { "ATX +5V", 9, 0, 30, 1, 0 },
200 { "+3.3V", 10, 0, 20, 1, 0 },
201 { "5VSB", 11, 0, 30, 1, 0 },
202 { "CPU", 24, 1, 1, 1, 0 },
203 { "System", 25, 1, 1, 1, 0 },
204 { "PWM1", 26, 1, 1, 1, 0 },
205 { "PWM2", 27, 1, 1, 1, 0 },
206 { "PWM3", 28, 1, 1, 1, 0 },
207 { "PWM4", 29, 1, 1, 1, 0 },
208 { "CPU Fan", 32, 2, 60, 1, 0 },
209 { "NB Fan", 33, 2, 60, 1, 0 },
210 { "SYS Fan", 34, 2, 60, 1, 0 },
211 { "AUX1 Fan", 35, 2, 60, 1, 0 },
212 { "AUX2 Fan", 36, 2, 60, 1, 0 },
213 { "AUX3 Fan", 37, 2, 60, 1, 0 },
214 { "AUX4 Fan", 38, 2, 60, 1, 0 },
215 { "AUX5 Fan", 39, 2, 60, 1, 0 },
216 { NULL, 0, 0, 0, 0, 0 } }
218 { 0x000E, NULL /* AL-8, need DMI string */, {
219 { "CPU Core", 0, 0, 10, 1, 0 },
220 { "DDR", 1, 0, 10, 1, 0 },
221 { "DDR VTT", 2, 0, 10, 1, 0 },
222 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
223 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
224 { "MCH 2.5V", 5, 0, 20, 1, 0 },
225 { "ICH 1.05V", 6, 0, 10, 1, 0 },
226 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
227 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
228 { "ATX +5V", 9, 0, 30, 1, 0 },
229 { "+3.3V", 10, 0, 20, 1, 0 },
230 { "5VSB", 11, 0, 30, 1, 0 },
231 { "CPU", 24, 1, 1, 1, 0 },
232 { "System", 25, 1, 1, 1, 0 },
233 { "PWM", 26, 1, 1, 1, 0 },
234 { "CPU Fan", 32, 2, 60, 1, 0 },
235 { "NB Fan", 33, 2, 60, 1, 0 },
236 { "SYS Fan", 34, 2, 60, 1, 0 },
237 { NULL, 0, 0, 0, 0, 0 } }
239 { 0x000F, NULL /* Unknown, need DMI string */, {
240 { "CPU Core", 0, 0, 10, 1, 0 },
241 { "DDR", 1, 0, 10, 1, 0 },
242 { "DDR VTT", 2, 0, 10, 1, 0 },
243 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
244 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
245 { "MCH 2.5V", 5, 0, 20, 1, 0 },
246 { "ICH 1.05V", 6, 0, 10, 1, 0 },
247 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
248 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
249 { "ATX +5V", 9, 0, 30, 1, 0 },
250 { "+3.3V", 10, 0, 20, 1, 0 },
251 { "5VSB", 11, 0, 30, 1, 0 },
252 { "CPU", 24, 1, 1, 1, 0 },
253 { "System", 25, 1, 1, 1, 0 },
254 { "PWM", 26, 1, 1, 1, 0 },
255 { "CPU Fan", 32, 2, 60, 1, 0 },
256 { "NB Fan", 33, 2, 60, 1, 0 },
257 { "SYS Fan", 34, 2, 60, 1, 0 },
258 { NULL, 0, 0, 0, 0, 0 } }
260 { 0x0010, NULL /* Abit NI8 SLI GR, need DMI string */, {
261 { "CPU Core", 0, 0, 10, 1, 0 },
262 { "DDR", 1, 0, 10, 1, 0 },
263 { "DDR VTT", 2, 0, 10, 1, 0 },
264 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
265 { "NB 1.4V", 4, 0, 10, 1, 0 },
266 { "SB 1.5V", 6, 0, 10, 1, 0 },
267 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
268 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
269 { "ATX +5V", 9, 0, 30, 1, 0 },
270 { "+3.3V", 10, 0, 20, 1, 0 },
271 { "5VSB", 11, 0, 30, 1, 0 },
272 { "CPU", 24, 1, 1, 1, 0 },
273 { "SYS", 25, 1, 1, 1, 0 },
274 { "PWM", 26, 1, 1, 1, 0 },
275 { "CPU Fan", 32, 2, 60, 1, 0 },
276 { "NB Fan", 33, 2, 60, 1, 0 },
277 { "SYS Fan", 34, 2, 60, 1, 0 },
278 { "AUX1 Fan", 35, 2, 60, 1, 0 },
279 { "OTES1 Fan", 36, 2, 60, 1, 0 },
280 { NULL, 0, 0, 0, 0, 0 } }
282 { 0x0011, "AT8 32X", {
283 { "CPU Core", 0, 0, 10, 1, 0 },
284 { "DDR", 1, 0, 20, 1, 0 },
285 { "DDR VTT", 2, 0, 10, 1, 0 },
286 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
287 { "NB 1.8V", 4, 0, 10, 1, 0 },
288 { "NB 1.8V Dual", 5, 0, 10, 1, 0 },
289 { "HTV 1.2", 3, 0, 10, 1, 0 },
290 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
291 { "NB 1.2V", 13, 0, 10, 1, 0 },
292 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
293 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
294 { "ATX +5V", 9, 0, 30, 1, 0 },
295 { "+3.3V", 10, 0, 20, 1, 0 },
296 { "5VSB", 11, 0, 30, 1, 0 },
297 { "CPU", 24, 1, 1, 1, 0 },
298 { "NB", 25, 1, 1, 1, 0 },
299 { "System", 26, 1, 1, 1, 0 },
300 { "PWM", 27, 1, 1, 1, 0 },
301 { "CPU Fan", 32, 2, 60, 1, 0 },
302 { "NB Fan", 33, 2, 60, 1, 0 },
303 { "SYS Fan", 34, 2, 60, 1, 0 },
304 { "AUX1 Fan", 35, 2, 60, 1, 0 },
305 { "AUX2 Fan", 36, 2, 60, 1, 0 },
306 { "AUX3 Fan", 37, 2, 60, 1, 0 },
307 { NULL, 0, 0, 0, 0, 0 } }
309 { 0x0012, NULL /* Abit AN8 32X, need DMI string */, {
310 { "CPU Core", 0, 0, 10, 1, 0 },
311 { "DDR", 1, 0, 20, 1, 0 },
312 { "DDR VTT", 2, 0, 10, 1, 0 },
313 { "HyperTransport", 3, 0, 10, 1, 0 },
314 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
315 { "NB", 4, 0, 10, 1, 0 },
316 { "SB", 6, 0, 10, 1, 0 },
317 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
318 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
319 { "ATX +5V", 9, 0, 30, 1, 0 },
320 { "+3.3V", 10, 0, 20, 1, 0 },
321 { "5VSB", 11, 0, 30, 1, 0 },
322 { "CPU", 24, 1, 1, 1, 0 },
323 { "SYS", 25, 1, 1, 1, 0 },
324 { "PWM", 26, 1, 1, 1, 0 },
325 { "CPU Fan", 32, 2, 60, 1, 0 },
326 { "NB Fan", 33, 2, 60, 1, 0 },
327 { "SYS Fan", 34, 2, 60, 1, 0 },
328 { "AUX1 Fan", 36, 2, 60, 1, 0 },
329 { NULL, 0, 0, 0, 0, 0 } }
331 { 0x0013, NULL /* Abit AW8D, need DMI string */, {
332 { "CPU Core", 0, 0, 10, 1, 0 },
333 { "DDR", 1, 0, 10, 1, 0 },
334 { "DDR VTT", 2, 0, 10, 1, 0 },
335 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
336 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
337 { "MCH 2.5V", 5, 0, 20, 1, 0 },
338 { "ICH 1.05V", 6, 0, 10, 1, 0 },
339 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
340 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
341 { "ATX +5V", 9, 0, 30, 1, 0 },
342 { "+3.3V", 10, 0, 20, 1, 0 },
343 { "5VSB", 11, 0, 30, 1, 0 },
344 { "CPU", 24, 1, 1, 1, 0 },
345 { "System", 25, 1, 1, 1, 0 },
346 { "PWM1", 26, 1, 1, 1, 0 },
347 { "PWM2", 27, 1, 1, 1, 0 },
348 { "PWM3", 28, 1, 1, 1, 0 },
349 { "PWM4", 29, 1, 1, 1, 0 },
350 { "CPU Fan", 32, 2, 60, 1, 0 },
351 { "NB Fan", 33, 2, 60, 1, 0 },
352 { "SYS Fan", 34, 2, 60, 1, 0 },
353 { "AUX1 Fan", 35, 2, 60, 1, 0 },
354 { "AUX2 Fan", 36, 2, 60, 1, 0 },
355 { "AUX3 Fan", 37, 2, 60, 1, 0 },
356 { "AUX4 Fan", 38, 2, 60, 1, 0 },
357 { "AUX5 Fan", 39, 2, 60, 1, 0 },
358 { NULL, 0, 0, 0, 0, 0 } }
360 { 0x0014, NULL /* Abit AB9 Pro, need DMI string */, {
361 { "CPU Core", 0, 0, 10, 1, 0 },
362 { "DDR", 1, 0, 10, 1, 0 },
363 { "DDR VTT", 2, 0, 10, 1, 0 },
364 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
365 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
366 { "MCH 2.5V", 5, 0, 20, 1, 0 },
367 { "ICH 1.05V", 6, 0, 10, 1, 0 },
368 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
369 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
370 { "ATX +5V", 9, 0, 30, 1, 0 },
371 { "+3.3V", 10, 0, 20, 1, 0 },
372 { "5VSB", 11, 0, 30, 1, 0 },
373 { "CPU", 24, 1, 1, 1, 0 },
374 { "System", 25, 1, 1, 1, 0 },
375 { "PWM", 26, 1, 1, 1, 0 },
376 { "CPU Fan", 32, 2, 60, 1, 0 },
377 { "NB Fan", 33, 2, 60, 1, 0 },
378 { "SYS Fan", 34, 2, 60, 1, 0 },
379 { NULL, 0, 0, 0, 0, 0 } }
381 { 0x0015, NULL /* Unknown, need DMI string */, {
382 { "CPU Core", 0, 0, 10, 1, 0 },
383 { "DDR", 1, 0, 20, 1, 0 },
384 { "DDR VTT", 2, 0, 10, 1, 0 },
385 { "HyperTransport", 3, 0, 10, 1, 0 },
386 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
387 { "NB", 4, 0, 10, 1, 0 },
388 { "SB", 6, 0, 10, 1, 0 },
389 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
390 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
391 { "ATX +5V", 9, 0, 30, 1, 0 },
392 { "+3.3V", 10, 0, 20, 1, 0 },
393 { "5VSB", 11, 0, 30, 1, 0 },
394 { "CPU", 24, 1, 1, 1, 0 },
395 { "SYS", 25, 1, 1, 1, 0 },
396 { "PWM", 26, 1, 1, 1, 0 },
397 { "CPU Fan", 32, 2, 60, 1, 0 },
398 { "NB Fan", 33, 2, 60, 1, 0 },
399 { "SYS Fan", 34, 2, 60, 1, 0 },
400 { "AUX1 Fan", 33, 2, 60, 1, 0 },
401 { "AUX2 Fan", 35, 2, 60, 1, 0 },
402 { "AUX3 Fan", 36, 2, 60, 1, 0 },
403 { NULL, 0, 0, 0, 0, 0 } }
405 { 0x0016, "AW9D-MAX", {
406 { "CPU Core", 0, 0, 10, 1, 0 },
407 { "DDR2", 1, 0, 20, 1, 0 },
408 { "DDR2 VTT", 2, 0, 10, 1, 0 },
409 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
410 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
411 { "MCH 2.5V", 5, 0, 20, 1, 0 },
412 { "ICH 1.05V", 6, 0, 10, 1, 0 },
413 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
414 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
415 { "ATX +5V", 9, 0, 30, 1, 0 },
416 { "+3.3V", 10, 0, 20, 1, 0 },
417 { "5VSB", 11, 0, 30, 1, 0 },
418 { "CPU", 24, 1, 1, 1, 0 },
419 { "System", 25, 1, 1, 1, 0 },
420 { "PWM1", 26, 1, 1, 1, 0 },
421 { "PWM2", 27, 1, 1, 1, 0 },
422 { "PWM3", 28, 1, 1, 1, 0 },
423 { "PWM4", 29, 1, 1, 1, 0 },
424 { "CPU Fan", 32, 2, 60, 1, 0 },
425 { "NB Fan", 33, 2, 60, 1, 0 },
426 { "SYS Fan", 34, 2, 60, 1, 0 },
427 { "AUX1 Fan", 35, 2, 60, 1, 0 },
428 { "AUX2 Fan", 36, 2, 60, 1, 0 },
429 { "AUX3 Fan", 37, 2, 60, 1, 0 },
430 { "OTES1 Fan", 38, 2, 60, 1, 0 },
431 { NULL, 0, 0, 0, 0, 0 } }
433 { 0x0017, NULL /* Unknown, need DMI string */, {
434 { "CPU Core", 0, 0, 10, 1, 0 },
435 { "DDR2", 1, 0, 20, 1, 0 },
436 { "DDR2 VTT", 2, 0, 10, 1, 0 },
437 { "HyperTransport", 3, 0, 10, 1, 0 },
438 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
439 { "NB 1.8V", 4, 0, 10, 1, 0 },
440 { "NB 1.2V ", 13, 0, 10, 1, 0 },
441 { "SB 1.2V", 5, 0, 10, 1, 0 },
442 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
443 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
444 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
445 { "ATX +5V", 9, 0, 30, 1, 0 },
446 { "ATX +3.3V", 10, 0, 20, 1, 0 },
447 { "ATX 5VSB", 11, 0, 30, 1, 0 },
448 { "CPU", 24, 1, 1, 1, 0 },
449 { "System", 26, 1, 1, 1, 0 },
450 { "PWM", 27, 1, 1, 1, 0 },
451 { "CPU FAN", 32, 2, 60, 1, 0 },
452 { "SYS FAN", 34, 2, 60, 1, 0 },
453 { "AUX1 FAN", 35, 2, 60, 1, 0 },
454 { "AUX2 FAN", 36, 2, 60, 1, 0 },
455 { "AUX3 FAN", 37, 2, 60, 1, 0 },
456 { NULL, 0, 0, 0, 0, 0 } }
458 { 0x0018, NULL /* Unknown, need DMI string */, {
459 { "CPU Core", 0, 0, 10, 1, 0 },
460 { "DDR2", 1, 0, 20, 1, 0 },
461 { "DDR2 VTT", 2, 0, 10, 1, 0 },
462 { "CPU VTT", 3, 0, 10, 1, 0 },
463 { "MCH 1.25V", 4, 0, 10, 1, 0 },
464 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
465 { "ICH 1.05V", 6, 0, 10, 1, 0 },
466 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
467 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
468 { "ATX +5V", 9, 0, 30, 1, 0 },
469 { "+3.3V", 10, 0, 20, 1, 0 },
470 { "5VSB", 11, 0, 30, 1, 0 },
471 { "CPU", 24, 1, 1, 1, 0 },
472 { "System", 25, 1, 1, 1, 0 },
473 { "PWM Phase1", 26, 1, 1, 1, 0 },
474 { "PWM Phase2", 27, 1, 1, 1, 0 },
475 { "PWM Phase3", 28, 1, 1, 1, 0 },
476 { "PWM Phase4", 29, 1, 1, 1, 0 },
477 { "PWM Phase5", 30, 1, 1, 1, 0 },
478 { "CPU Fan", 32, 2, 60, 1, 0 },
479 { "SYS Fan", 34, 2, 60, 1, 0 },
480 { "AUX1 Fan", 33, 2, 60, 1, 0 },
481 { "AUX2 Fan", 35, 2, 60, 1, 0 },
482 { "AUX3 Fan", 36, 2, 60, 1, 0 },
483 { NULL, 0, 0, 0, 0, 0 } }
485 { 0x0019, "IN9 32X MAX", {
486 { "CPU Core", 7, 0, 10, 1, 0 },
487 { "DDR2", 13, 0, 20, 1, 0 },
488 { "DDR2 VTT", 14, 0, 10, 1, 0 },
489 { "CPU VTT", 3, 0, 20, 1, 0 },
490 { "NB 1.2V", 4, 0, 10, 1, 0 },
491 { "SB 1.5V", 6, 0, 10, 1, 0 },
492 { "HyperTransport", 5, 0, 10, 1, 0 },
493 { "ATX +12V (24-Pin)", 12, 0, 60, 1, 0 },
494 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
495 { "ATX +5V", 9, 0, 30, 1, 0 },
496 { "ATX +3.3V", 10, 0, 20, 1, 0 },
497 { "ATX 5VSB", 11, 0, 30, 1, 0 },
498 { "CPU", 24, 1, 1, 1, 0 },
499 { "System", 25, 1, 1, 1, 0 },
500 { "PWM Phase1", 26, 1, 1, 1, 0 },
501 { "PWM Phase2", 27, 1, 1, 1, 0 },
502 { "PWM Phase3", 28, 1, 1, 1, 0 },
503 { "PWM Phase4", 29, 1, 1, 1, 0 },
504 { "PWM Phase5", 30, 1, 1, 1, 0 },
505 { "CPU FAN", 32, 2, 60, 1, 0 },
506 { "SYS FAN", 34, 2, 60, 1, 0 },
507 { "AUX1 FAN", 33, 2, 60, 1, 0 },
508 { "AUX2 FAN", 35, 2, 60, 1, 0 },
509 { "AUX3 FAN", 36, 2, 60, 1, 0 },
510 { NULL, 0, 0, 0, 0, 0 } }
512 { 0x001A, "IP35 Pro", {
513 { "CPU Core", 0, 0, 10, 1, 0 },
514 { "DDR2", 1, 0, 20, 1, 0 },
515 { "DDR2 VTT", 2, 0, 10, 1, 0 },
516 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
517 { "MCH 1.25V", 4, 0, 10, 1, 0 },
518 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
519 { "ICH 1.05V", 6, 0, 10, 1, 0 },
520 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
521 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
522 { "ATX +5V", 9, 0, 30, 1, 0 },
523 { "+3.3V", 10, 0, 20, 1, 0 },
524 { "5VSB", 11, 0, 30, 1, 0 },
525 { "CPU", 24, 1, 1, 1, 0 },
526 { "System", 25, 1, 1, 1, 0 },
527 { "PWM", 26, 1, 1, 1, 0 },
528 { "PWM Phase2", 27, 1, 1, 1, 0 },
529 { "PWM Phase3", 28, 1, 1, 1, 0 },
530 { "PWM Phase4", 29, 1, 1, 1, 0 },
531 { "PWM Phase5", 30, 1, 1, 1, 0 },
532 { "CPU Fan", 32, 2, 60, 1, 0 },
533 { "SYS Fan", 34, 2, 60, 1, 0 },
534 { "AUX1 Fan", 33, 2, 60, 1, 0 },
535 { "AUX2 Fan", 35, 2, 60, 1, 0 },
536 { "AUX3 Fan", 36, 2, 60, 1, 0 },
537 { "AUX4 Fan", 37, 2, 60, 1, 0 },
538 { NULL, 0, 0, 0, 0, 0 } }
540 { 0x001B, NULL /* Unknown, need DMI string */, {
541 { "CPU Core", 0, 0, 10, 1, 0 },
542 { "DDR3", 1, 0, 20, 1, 0 },
543 { "DDR3 VTT", 2, 0, 10, 1, 0 },
544 { "CPU VTT", 3, 0, 10, 1, 0 },
545 { "MCH 1.25V", 4, 0, 10, 1, 0 },
546 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
547 { "ICH 1.05V", 6, 0, 10, 1, 0 },
548 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
549 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
550 { "ATX +5V", 9, 0, 30, 1, 0 },
551 { "+3.3V", 10, 0, 20, 1, 0 },
552 { "5VSB", 11, 0, 30, 1, 0 },
553 { "CPU", 24, 1, 1, 1, 0 },
554 { "System", 25, 1, 1, 1, 0 },
555 { "PWM Phase1", 26, 1, 1, 1, 0 },
556 { "PWM Phase2", 27, 1, 1, 1, 0 },
557 { "PWM Phase3", 28, 1, 1, 1, 0 },
558 { "PWM Phase4", 29, 1, 1, 1, 0 },
559 { "PWM Phase5", 30, 1, 1, 1, 0 },
560 { "CPU Fan", 32, 2, 60, 1, 0 },
561 { "SYS Fan", 34, 2, 60, 1, 0 },
562 { "AUX1 Fan", 33, 2, 60, 1, 0 },
563 { "AUX2 Fan", 35, 2, 60, 1, 0 },
564 { "AUX3 Fan", 36, 2, 60, 1, 0 },
565 { NULL, 0, 0, 0, 0, 0 } }
567 { 0x001C, NULL /* Unknown, need DMI string */, {
568 { "CPU Core", 0, 0, 10, 1, 0 },
569 { "DDR2", 1, 0, 20, 1, 0 },
570 { "DDR2 VTT", 2, 0, 10, 1, 0 },
571 { "CPU VTT", 3, 0, 10, 1, 0 },
572 { "MCH 1.25V", 4, 0, 10, 1, 0 },
573 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
574 { "ICH 1.05V", 6, 0, 10, 1, 0 },
575 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
576 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
577 { "ATX +5V", 9, 0, 30, 1, 0 },
578 { "+3.3V", 10, 0, 20, 1, 0 },
579 { "5VSB", 11, 0, 30, 1, 0 },
580 { "CPU", 24, 1, 1, 1, 0 },
581 { "System", 25, 1, 1, 1, 0 },
582 { "PWM Phase1", 26, 1, 1, 1, 0 },
583 { "PWM Phase2", 27, 1, 1, 1, 0 },
584 { "PWM Phase3", 28, 1, 1, 1, 0 },
585 { "PWM Phase4", 29, 1, 1, 1, 0 },
586 { "PWM Phase5", 30, 1, 1, 1, 0 },
587 { "CPU Fan", 32, 2, 60, 1, 0 },
588 { "SYS Fan", 34, 2, 60, 1, 0 },
589 { "AUX1 Fan", 33, 2, 60, 1, 0 },
590 { "AUX2 Fan", 35, 2, 60, 1, 0 },
591 { "AUX3 Fan", 36, 2, 60, 1, 0 },
592 { NULL, 0, 0, 0, 0, 0 } }
594 { 0x0000, NULL, { { NULL, 0, 0, 0, 0, 0 } } }
598 /* Insmod parameters */
600 module_param(force, bool, 0);
601 MODULE_PARM_DESC(force, "Set to one to force detection.");
602 /* Default verbose is 1, since this driver is still in the testing phase */
603 static int verbose = 1;
604 module_param(verbose, bool, 0644);
605 MODULE_PARM_DESC(verbose, "Enable/disable verbose error reporting");
608 /* wait while the uguru is busy (usually after a write) */
609 static int abituguru3_wait_while_busy(struct abituguru3_data *data)
612 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
614 while ((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
615 ABIT_UGURU3_STATUS_BUSY) {
619 /* sleep a bit before our last try, to give the uGuru3 one
620 last chance to respond. */
624 return ABIT_UGURU3_SUCCESS;
627 /* wait till uguru is ready to be read */
628 static int abituguru3_wait_for_read(struct abituguru3_data *data)
631 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
633 while (!((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
634 ABIT_UGURU3_STATUS_READY_FOR_READ)) {
638 /* sleep a bit before our last try, to give the uGuru3 one
639 last chance to respond. */
643 return ABIT_UGURU3_SUCCESS;
646 /* This synchronizes us with the uGuru3's protocol state machine, this
647 must be done before each command. */
648 static int abituguru3_synchronize(struct abituguru3_data *data)
650 int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
652 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
653 ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
654 "wait, status: 0x%02x\n", x);
658 outb(0x20, data->addr + ABIT_UGURU3_DATA);
659 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
660 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
661 "status: 0x%02x\n", x);
665 outb(0x10, data->addr + ABIT_UGURU3_CMD);
666 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
667 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
668 "status: 0x%02x\n", x);
672 outb(0x00, data->addr + ABIT_UGURU3_CMD);
673 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
674 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
675 "status: 0x%02x\n", x);
679 if ((x = abituguru3_wait_for_read(data)) != ABIT_UGURU3_SUCCESS) {
680 ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
681 "status: 0x%02x\n", x);
685 while ((x = inb(data->addr + ABIT_UGURU3_CMD)) != 0xAC) {
688 ABIT_UGURU3_DEBUG("synchronize timeout cmd does not "
689 "hold 0xAC after synchronize, cmd: 0x%02x\n",
698 /* Read count bytes from sensor sensor_addr in bank bank_addr and store the
700 static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
705 if ((x = abituguru3_synchronize(data)))
708 outb(0x1A, data->addr + ABIT_UGURU3_DATA);
709 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
710 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
711 "sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
712 (unsigned int)offset, x);
716 outb(bank, data->addr + ABIT_UGURU3_CMD);
717 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
718 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
719 "sending the bank, status: 0x%02x\n",
720 (unsigned int)bank, (unsigned int)offset, x);
724 outb(offset, data->addr + ABIT_UGURU3_CMD);
725 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
726 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
727 "sending the offset, status: 0x%02x\n",
728 (unsigned int)bank, (unsigned int)offset, x);
732 outb(count, data->addr + ABIT_UGURU3_CMD);
733 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
734 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
735 "sending the count, status: 0x%02x\n",
736 (unsigned int)bank, (unsigned int)offset, x);
740 for (i = 0; i < count; i++) {
741 if ((x = abituguru3_wait_for_read(data)) !=
742 ABIT_UGURU3_SUCCESS) {
743 ABIT_UGURU3_DEBUG("timeout reading byte %d from "
744 "0x%02x:0x%02x, status: 0x%02x\n", i,
745 (unsigned int)bank, (unsigned int)offset, x);
748 buf[i] = inb(data->addr + ABIT_UGURU3_CMD);
753 /* Sensor settings are stored 1 byte per offset with the bytes
754 placed add consecutive offsets. */
755 static int abituguru3_read_increment_offset(struct abituguru3_data *data,
756 u8 bank, u8 offset, u8 count,
757 u8 *buf, int offset_count)
761 for (i = 0; i < offset_count; i++)
762 if ((x = abituguru3_read(data, bank, offset + i, count,
763 buf + i * count)) != count)
764 return i * count + (i && (x < 0)) ? 0 : x;
769 /* Following are the sysfs callback functions. These functions expect:
770 sensor_device_attribute_2->index: index into the data->sensors array
771 sensor_device_attribute_2->nr: register offset, bitmask or NA. */
772 static struct abituguru3_data *abituguru3_update_device(struct device *dev);
774 static ssize_t show_value(struct device *dev,
775 struct device_attribute *devattr, char *buf)
778 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
779 struct abituguru3_data *data = abituguru3_update_device(dev);
780 const struct abituguru3_sensor_info *sensor;
785 sensor = &data->sensors[attr->index];
787 /* are we reading a setting, or is this a normal read? */
789 value = data->settings[sensor->port][attr->nr];
791 value = data->value[sensor->port];
793 /* convert the value */
794 value = (value * sensor->multiplier) / sensor->divisor +
797 /* alternatively we could update the sensors settings struct for this,
798 but then its contents would differ from the windows sw ini files */
799 if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
802 return sprintf(buf, "%d\n", value);
805 static ssize_t show_alarm(struct device *dev,
806 struct device_attribute *devattr, char *buf)
809 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
810 struct abituguru3_data *data = abituguru3_update_device(dev);
815 port = data->sensors[attr->index].port;
817 /* See if the alarm bit for this sensor is set and if a bitmask is
818 given in attr->nr also check if the alarm matches the type of alarm
819 we're looking for (for volt it can be either low or high). The type
820 is stored in a few readonly bits in the settings of the sensor. */
821 if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
822 (!attr->nr || (data->settings[port][0] & attr->nr)))
823 return sprintf(buf, "1\n");
825 return sprintf(buf, "0\n");
828 static ssize_t show_mask(struct device *dev,
829 struct device_attribute *devattr, char *buf)
831 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
832 struct abituguru3_data *data = dev_get_drvdata(dev);
834 if (data->settings[data->sensors[attr->index].port][0] & attr->nr)
835 return sprintf(buf, "1\n");
837 return sprintf(buf, "0\n");
840 static ssize_t show_label(struct device *dev,
841 struct device_attribute *devattr, char *buf)
843 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
844 struct abituguru3_data *data = dev_get_drvdata(dev);
846 return sprintf(buf, "%s\n", data->sensors[attr->index].name);
849 static ssize_t show_name(struct device *dev,
850 struct device_attribute *devattr, char *buf)
852 return sprintf(buf, "%s\n", ABIT_UGURU3_NAME);
855 /* Sysfs attr templates, the real entries are generated automatically. */
857 struct sensor_device_attribute_2 abituguru3_sysfs_templ[3][10] = { {
858 SENSOR_ATTR_2(in%d_input, 0444, show_value, NULL, 0, 0),
859 SENSOR_ATTR_2(in%d_min, 0444, show_value, NULL, 1, 0),
860 SENSOR_ATTR_2(in%d_max, 0444, show_value, NULL, 2, 0),
861 SENSOR_ATTR_2(in%d_min_alarm, 0444, show_alarm, NULL,
862 ABIT_UGURU3_VOLT_LOW_ALARM_FLAG, 0),
863 SENSOR_ATTR_2(in%d_max_alarm, 0444, show_alarm, NULL,
864 ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG, 0),
865 SENSOR_ATTR_2(in%d_beep, 0444, show_mask, NULL,
866 ABIT_UGURU3_BEEP_ENABLE, 0),
867 SENSOR_ATTR_2(in%d_shutdown, 0444, show_mask, NULL,
868 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
869 SENSOR_ATTR_2(in%d_min_alarm_enable, 0444, show_mask, NULL,
870 ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE, 0),
871 SENSOR_ATTR_2(in%d_max_alarm_enable, 0444, show_mask, NULL,
872 ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE, 0),
873 SENSOR_ATTR_2(in%d_label, 0444, show_label, NULL, 0, 0)
875 SENSOR_ATTR_2(temp%d_input, 0444, show_value, NULL, 0, 0),
876 SENSOR_ATTR_2(temp%d_max, 0444, show_value, NULL, 1, 0),
877 SENSOR_ATTR_2(temp%d_crit, 0444, show_value, NULL, 2, 0),
878 SENSOR_ATTR_2(temp%d_alarm, 0444, show_alarm, NULL, 0, 0),
879 SENSOR_ATTR_2(temp%d_beep, 0444, show_mask, NULL,
880 ABIT_UGURU3_BEEP_ENABLE, 0),
881 SENSOR_ATTR_2(temp%d_shutdown, 0444, show_mask, NULL,
882 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
883 SENSOR_ATTR_2(temp%d_alarm_enable, 0444, show_mask, NULL,
884 ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE, 0),
885 SENSOR_ATTR_2(temp%d_label, 0444, show_label, NULL, 0, 0)
887 SENSOR_ATTR_2(fan%d_input, 0444, show_value, NULL, 0, 0),
888 SENSOR_ATTR_2(fan%d_min, 0444, show_value, NULL, 1, 0),
889 SENSOR_ATTR_2(fan%d_alarm, 0444, show_alarm, NULL, 0, 0),
890 SENSOR_ATTR_2(fan%d_beep, 0444, show_mask, NULL,
891 ABIT_UGURU3_BEEP_ENABLE, 0),
892 SENSOR_ATTR_2(fan%d_shutdown, 0444, show_mask, NULL,
893 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
894 SENSOR_ATTR_2(fan%d_alarm_enable, 0444, show_mask, NULL,
895 ABIT_UGURU3_FAN_LOW_ALARM_ENABLE, 0),
896 SENSOR_ATTR_2(fan%d_label, 0444, show_label, NULL, 0, 0)
899 static struct sensor_device_attribute_2 abituguru3_sysfs_attr[] = {
900 SENSOR_ATTR_2(name, 0444, show_name, NULL, 0, 0),
903 static int __devinit abituguru3_probe(struct platform_device *pdev)
905 const int no_sysfs_attr[3] = { 10, 8, 7 };
906 int sensor_index[3] = { 0, 1, 1 };
907 struct abituguru3_data *data;
908 int i, j, type, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
909 char *sysfs_filename;
913 if (!(data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL)))
916 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
917 mutex_init(&data->update_lock);
918 platform_set_drvdata(pdev, data);
920 /* Read the motherboard ID */
921 if ((i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK,
922 ABIT_UGURU3_BOARD_ID, 2, buf)) != 2) {
923 goto abituguru3_probe_error;
926 /* Completely read the uGuru to see if one really is there */
927 if (!abituguru3_update_device(&pdev->dev))
928 goto abituguru3_probe_error;
930 /* lookup the ID in our motherboard table */
931 id = ((u16)buf[0] << 8) | (u16)buf[1];
932 for (i = 0; abituguru3_motherboards[i].id; i++)
933 if (abituguru3_motherboards[i].id == id)
935 if (!abituguru3_motherboards[i].id) {
936 printk(KERN_ERR ABIT_UGURU3_NAME ": error unknown motherboard "
937 "ID: %04X. Please report this to the abituguru3 "
938 "maintainer (see MAINTAINERS)\n", (unsigned int)id);
939 goto abituguru3_probe_error;
941 data->sensors = abituguru3_motherboards[i].sensors;
943 printk(KERN_INFO ABIT_UGURU3_NAME ": found Abit uGuru3, motherboard "
944 "ID: %04X\n", (unsigned int)id);
947 if (!abituguru3_motherboards[i].dmi_name) {
948 printk(KERN_WARNING ABIT_UGURU3_NAME ": this motherboard was "
949 "not detected using DMI. Please send the output of "
950 "\"dmidecode\" to the abituguru3 maintainer "
951 "(see MAINTAINERS)\n");
955 /* Fill the sysfs attr array */
957 sysfs_filename = data->sysfs_names;
958 sysfs_names_free = ABIT_UGURU3_SYSFS_NAMES_LENGTH;
959 for (i = 0; data->sensors[i].name; i++) {
960 /* Fail safe check, this should never happen! */
961 if (i >= ABIT_UGURU3_MAX_NO_SENSORS) {
962 printk(KERN_ERR ABIT_UGURU3_NAME
963 ": Fatal error motherboard has more sensors "
964 "then ABIT_UGURU3_MAX_NO_SENSORS. This should "
965 "never happen please report to the abituguru3 "
966 "maintainer (see MAINTAINERS)\n");
968 goto abituguru3_probe_error;
970 type = data->sensors[i].type;
971 for (j = 0; j < no_sysfs_attr[type]; j++) {
972 used = snprintf(sysfs_filename, sysfs_names_free,
973 abituguru3_sysfs_templ[type][j].dev_attr.attr.
974 name, sensor_index[type]) + 1;
975 data->sysfs_attr[sysfs_attr_i] =
976 abituguru3_sysfs_templ[type][j];
977 data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name =
979 data->sysfs_attr[sysfs_attr_i].index = i;
980 sysfs_filename += used;
981 sysfs_names_free -= used;
984 sensor_index[type]++;
986 /* Fail safe check, this should never happen! */
987 if (sysfs_names_free < 0) {
988 printk(KERN_ERR ABIT_UGURU3_NAME
989 ": Fatal error ran out of space for sysfs attr names. "
990 "This should never happen please report to the "
991 "abituguru3 maintainer (see MAINTAINERS)\n");
993 goto abituguru3_probe_error;
996 /* Register sysfs hooks */
997 for (i = 0; i < sysfs_attr_i; i++)
998 if (device_create_file(&pdev->dev,
999 &data->sysfs_attr[i].dev_attr))
1000 goto abituguru3_probe_error;
1001 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1002 if (device_create_file(&pdev->dev,
1003 &abituguru3_sysfs_attr[i].dev_attr))
1004 goto abituguru3_probe_error;
1006 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1007 if (IS_ERR(data->hwmon_dev)) {
1008 res = PTR_ERR(data->hwmon_dev);
1009 goto abituguru3_probe_error;
1012 return 0; /* success */
1014 abituguru3_probe_error:
1015 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1016 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1017 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1018 device_remove_file(&pdev->dev,
1019 &abituguru3_sysfs_attr[i].dev_attr);
1024 static int __devexit abituguru3_remove(struct platform_device *pdev)
1027 struct abituguru3_data *data = platform_get_drvdata(pdev);
1029 platform_set_drvdata(pdev, NULL);
1030 hwmon_device_unregister(data->hwmon_dev);
1031 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1032 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1033 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1034 device_remove_file(&pdev->dev,
1035 &abituguru3_sysfs_attr[i].dev_attr);
1041 static struct abituguru3_data *abituguru3_update_device(struct device *dev)
1044 struct abituguru3_data *data = dev_get_drvdata(dev);
1046 mutex_lock(&data->update_lock);
1047 if (!data->valid || time_after(jiffies, data->last_updated + HZ)) {
1048 /* Clear data->valid while updating */
1051 if (abituguru3_read_increment_offset(data,
1052 ABIT_UGURU3_SETTINGS_BANK,
1053 ABIT_UGURU3_ALARMS_START,
1054 1, data->alarms, 48/8) != (48/8))
1056 /* Read in and temp sensors (3 byte settings / sensor) */
1057 for (i = 0; i < 32; i++) {
1058 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1059 ABIT_UGURU3_VALUES_START + i,
1060 1, &data->value[i]) != 1)
1062 if (abituguru3_read_increment_offset(data,
1063 ABIT_UGURU3_SETTINGS_BANK,
1064 ABIT_UGURU3_SETTINGS_START + i * 3,
1066 data->settings[i], 3) != 3)
1069 /* Read temp sensors (2 byte settings / sensor) */
1070 for (i = 0; i < 16; i++) {
1071 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1072 ABIT_UGURU3_VALUES_START + 32 + i,
1073 1, &data->value[32 + i]) != 1)
1075 if (abituguru3_read_increment_offset(data,
1076 ABIT_UGURU3_SETTINGS_BANK,
1077 ABIT_UGURU3_SETTINGS_START + 32 * 3 +
1079 data->settings[32 + i], 2) != 2)
1082 data->last_updated = jiffies;
1086 mutex_unlock(&data->update_lock);
1094 static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
1096 struct abituguru3_data *data = platform_get_drvdata(pdev);
1097 /* make sure all communications with the uguru3 are done and no new
1099 mutex_lock(&data->update_lock);
1103 static int abituguru3_resume(struct platform_device *pdev)
1105 struct abituguru3_data *data = platform_get_drvdata(pdev);
1106 mutex_unlock(&data->update_lock);
1110 #define abituguru3_suspend NULL
1111 #define abituguru3_resume NULL
1112 #endif /* CONFIG_PM */
1114 static struct platform_driver abituguru3_driver = {
1116 .owner = THIS_MODULE,
1117 .name = ABIT_UGURU3_NAME,
1119 .probe = abituguru3_probe,
1120 .remove = __devexit_p(abituguru3_remove),
1121 .suspend = abituguru3_suspend,
1122 .resume = abituguru3_resume
1127 static int __init abituguru3_dmi_detect(void)
1129 const char *board_vendor, *board_name;
1130 int i, err = (force) ? 1 : -ENODEV;
1133 board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
1134 if (!board_vendor || strcmp(board_vendor, "http://www.abit.com.tw/"))
1137 board_name = dmi_get_system_info(DMI_BOARD_NAME);
1141 /* At the moment, we don't care about the part of the vendor
1142 * DMI string contained in brackets. Truncate the string at
1143 * the first occurrence of a bracket. Trim any trailing space
1144 * from the substring.
1146 sublen = strcspn(board_name, "(");
1147 while (sublen > 0 && board_name[sublen - 1] == ' ')
1150 for (i = 0; abituguru3_motherboards[i].id; i++) {
1151 const char *dmi_name = abituguru3_motherboards[i].dmi_name;
1152 if (!dmi_name || strlen(dmi_name) != sublen)
1154 if (!strncasecmp(board_name, dmi_name, sublen))
1158 if (!abituguru3_motherboards[i].id)
1164 #else /* !CONFIG_DMI */
1166 static inline int abituguru3_dmi_detect(void)
1171 #endif /* CONFIG_DMI */
1173 /* FIXME: Manual detection should die eventually; we need to collect stable
1174 * DMI model names first before we can rely entirely on CONFIG_DMI.
1177 static int __init abituguru3_detect(void)
1179 /* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
1180 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
1181 or 0x55 at CMD instead, why is unknown. */
1182 u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
1183 u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
1184 if (((data_val == 0x00) || (data_val == 0x08)) &&
1185 ((cmd_val == 0xAC) || (cmd_val == 0x05) ||
1189 ABIT_UGURU3_DEBUG("no Abit uGuru3 found, data = 0x%02X, cmd = "
1190 "0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val);
1193 printk(KERN_INFO ABIT_UGURU3_NAME ": Assuming Abit uGuru3 is "
1194 "present because of \"force\" parameter\n");
1198 /* No uGuru3 found */
1202 static struct platform_device *abituguru3_pdev;
1204 static int __init abituguru3_init(void)
1206 struct resource res = { .flags = IORESOURCE_IO };
1209 /* Attempt DMI detection first */
1210 err = abituguru3_dmi_detect();
1214 /* Fall back to manual detection if there was no exact
1215 * board name match, or force was specified.
1218 err = abituguru3_detect();
1223 err = platform_driver_register(&abituguru3_driver);
1227 abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME,
1229 if (!abituguru3_pdev) {
1230 printk(KERN_ERR ABIT_UGURU3_NAME
1231 ": Device allocation failed\n");
1233 goto exit_driver_unregister;
1236 res.start = ABIT_UGURU3_BASE;
1237 res.end = ABIT_UGURU3_BASE + ABIT_UGURU3_REGION_LENGTH - 1;
1238 res.name = ABIT_UGURU3_NAME;
1240 err = platform_device_add_resources(abituguru3_pdev, &res, 1);
1242 printk(KERN_ERR ABIT_UGURU3_NAME
1243 ": Device resource addition failed (%d)\n", err);
1244 goto exit_device_put;
1247 err = platform_device_add(abituguru3_pdev);
1249 printk(KERN_ERR ABIT_UGURU3_NAME
1250 ": Device addition failed (%d)\n", err);
1251 goto exit_device_put;
1257 platform_device_put(abituguru3_pdev);
1258 exit_driver_unregister:
1259 platform_driver_unregister(&abituguru3_driver);
1264 static void __exit abituguru3_exit(void)
1266 platform_device_unregister(abituguru3_pdev);
1267 platform_driver_unregister(&abituguru3_driver);
1270 MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
1271 MODULE_DESCRIPTION("Abit uGuru3 Sensor device");
1272 MODULE_LICENSE("GPL");
1274 module_init(abituguru3_init);
1275 module_exit(abituguru3_exit);