1 /***************************************************************************
2 * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> *
3 * Copyright (C) 2007,2008 by Hans de Goede <hdegoede@redhat.com> *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include <linux/module.h>
22 #include <linux/init.h>
23 #include <linux/slab.h>
24 #include <linux/jiffies.h>
25 #include <linux/platform_device.h>
26 #include <linux/hwmon.h>
27 #include <linux/hwmon-sysfs.h>
28 #include <linux/err.h>
29 #include <linux/mutex.h>
32 #define DRVNAME "f71882fg"
34 #define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */
35 #define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */
36 #define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */
38 #define SIO_REG_LDSEL 0x07 /* Logical device select */
39 #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
40 #define SIO_REG_DEVREV 0x22 /* Device revision */
41 #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
42 #define SIO_REG_ENABLE 0x30 /* Logical device enable */
43 #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
45 #define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */
46 #define SIO_F71862_ID 0x0601 /* Chipset ID */
47 #define SIO_F71882_ID 0x0541 /* Chipset ID */
49 #define REGION_LENGTH 8
50 #define ADDR_REG_OFFSET 5
51 #define DATA_REG_OFFSET 6
53 #define F71882FG_REG_PECI 0x0A
55 #define F71882FG_REG_IN_STATUS 0x12 /* f71882fg only */
56 #define F71882FG_REG_IN_BEEP 0x13 /* f71882fg only */
57 #define F71882FG_REG_IN(nr) (0x20 + (nr))
58 #define F71882FG_REG_IN1_HIGH 0x32 /* f71882fg only */
60 #define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr)))
61 #define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr)))
62 #define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr)))
63 #define F71882FG_REG_FAN_STATUS 0x92
64 #define F71882FG_REG_FAN_BEEP 0x93
66 #define F71882FG_REG_TEMP(nr) (0x70 + 2 * (nr))
67 #define F71882FG_REG_TEMP_OVT(nr) (0x80 + 2 * (nr))
68 #define F71882FG_REG_TEMP_HIGH(nr) (0x81 + 2 * (nr))
69 #define F71882FG_REG_TEMP_STATUS 0x62
70 #define F71882FG_REG_TEMP_BEEP 0x63
71 #define F71882FG_REG_TEMP_HYST1 0x6C
72 #define F71882FG_REG_TEMP_HYST23 0x6D
73 #define F71882FG_REG_TEMP_TYPE 0x6B
74 #define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
76 #define F71882FG_REG_PWM(nr) (0xA3 + (16 * (nr)))
77 #define F71882FG_REG_PWM_TYPE 0x94
78 #define F71882FG_REG_PWM_ENABLE 0x96
80 #define F71882FG_REG_FAN_HYST0 0x98
81 #define F71882FG_REG_FAN_HYST1 0x99
83 #define F71882FG_REG_POINT_PWM(pwm, point) (0xAA + (point) + (16 * (pwm)))
84 #define F71882FG_REG_POINT_TEMP(pwm, point) (0xA6 + (point) + (16 * (pwm)))
85 #define F71882FG_REG_POINT_MAPPING(nr) (0xAF + 16 * (nr))
87 #define F71882FG_REG_START 0x01
89 #define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */
91 static unsigned short force_id;
92 module_param(force_id, ushort, 0);
93 MODULE_PARM_DESC(force_id, "Override the detected device ID");
95 static int fan_mode[4] = { 0, 0, 0, 0 };
96 module_param_array(fan_mode, int, NULL, 0644);
97 MODULE_PARM_DESC(fan_mode, "List of fan control modes (f71882fg only) "
98 "(0=don't change, 1=pwm, 2=rpm)\n"
99 "Note: this needs a write to pwm#_enable to take effect");
101 enum chips { f71862fg, f71882fg };
103 static const char *f71882fg_names[] = {
108 static struct platform_device *f71882fg_pdev;
110 /* Super-I/O Function prototypes */
111 static inline int superio_inb(int base, int reg);
112 static inline int superio_inw(int base, int reg);
113 static inline void superio_enter(int base);
114 static inline void superio_select(int base, int ld);
115 static inline void superio_exit(int base);
117 struct f71882fg_sio_data {
121 struct f71882fg_data {
124 struct device *hwmon_dev;
126 struct mutex update_lock;
127 char valid; /* !=0 if following fields are valid */
128 unsigned long last_updated; /* In jiffies */
129 unsigned long last_limits; /* In jiffies */
131 /* Register Values */
138 u16 fan_full_speed[4];
141 /* Note: all models have only 3 temperature channels, but on some
142 they are addressed as 0-2 and on others as 1-3, so for coding
143 convenience we reserve space for 4 channels */
154 u8 pwm_auto_point_hyst[2];
155 u8 pwm_auto_point_mapping[4];
156 u8 pwm_auto_point_pwm[4][5];
157 u8 pwm_auto_point_temp[4][4];
161 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
163 static ssize_t show_in_max(struct device *dev, struct device_attribute
164 *devattr, char *buf);
165 static ssize_t store_in_max(struct device *dev, struct device_attribute
166 *devattr, const char *buf, size_t count);
167 static ssize_t show_in_beep(struct device *dev, struct device_attribute
168 *devattr, char *buf);
169 static ssize_t store_in_beep(struct device *dev, struct device_attribute
170 *devattr, const char *buf, size_t count);
171 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
172 *devattr, char *buf);
174 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
176 static ssize_t show_fan_full_speed(struct device *dev,
177 struct device_attribute *devattr, char *buf);
178 static ssize_t store_fan_full_speed(struct device *dev,
179 struct device_attribute *devattr, const char *buf, size_t count);
180 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
181 *devattr, char *buf);
182 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
183 *devattr, const char *buf, size_t count);
184 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
185 *devattr, char *buf);
187 static ssize_t show_temp(struct device *dev, struct device_attribute
188 *devattr, char *buf);
189 static ssize_t show_temp_max(struct device *dev, struct device_attribute
190 *devattr, char *buf);
191 static ssize_t store_temp_max(struct device *dev, struct device_attribute
192 *devattr, const char *buf, size_t count);
193 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
194 *devattr, char *buf);
195 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
196 *devattr, const char *buf, size_t count);
197 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
198 *devattr, char *buf);
199 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
200 *devattr, const char *buf, size_t count);
201 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
202 *devattr, char *buf);
203 static ssize_t show_temp_type(struct device *dev, struct device_attribute
204 *devattr, char *buf);
205 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
206 *devattr, char *buf);
207 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
208 *devattr, const char *buf, size_t count);
209 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
210 *devattr, char *buf);
211 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
212 *devattr, char *buf);
213 /* PWM and Auto point control */
214 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
216 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
217 const char *buf, size_t count);
218 static ssize_t show_pwm_enable(struct device *dev,
219 struct device_attribute *devattr, char *buf);
220 static ssize_t store_pwm_enable(struct device *dev,
221 struct device_attribute *devattr, const char *buf, size_t count);
222 static ssize_t show_pwm_interpolate(struct device *dev,
223 struct device_attribute *devattr, char *buf);
224 static ssize_t store_pwm_interpolate(struct device *dev,
225 struct device_attribute *devattr, const char *buf, size_t count);
226 static ssize_t show_pwm_auto_point_channel(struct device *dev,
227 struct device_attribute *devattr, char *buf);
228 static ssize_t store_pwm_auto_point_channel(struct device *dev,
229 struct device_attribute *devattr, const char *buf, size_t count);
230 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
231 struct device_attribute *devattr, char *buf);
232 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
233 struct device_attribute *devattr, const char *buf, size_t count);
234 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
235 struct device_attribute *devattr, char *buf);
236 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
237 struct device_attribute *devattr, const char *buf, size_t count);
238 static ssize_t show_pwm_auto_point_temp(struct device *dev,
239 struct device_attribute *devattr, char *buf);
240 static ssize_t store_pwm_auto_point_temp(struct device *dev,
241 struct device_attribute *devattr, const char *buf, size_t count);
243 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
246 static int __devinit f71882fg_probe(struct platform_device * pdev);
247 static int f71882fg_remove(struct platform_device *pdev);
249 static struct platform_driver f71882fg_driver = {
251 .owner = THIS_MODULE,
254 .probe = f71882fg_probe,
255 .remove = __devexit_p(f71882fg_remove),
258 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
260 static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = {
261 SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
262 SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
263 SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
264 SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
265 SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
266 SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
267 SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
268 SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
269 SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
270 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
271 SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
272 store_temp_max, 0, 1),
273 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
274 store_temp_max_hyst, 0, 1),
275 SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
276 store_temp_crit, 0, 1),
277 SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
279 SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
280 SENSOR_ATTR_2(temp1_beep, S_IRUGO|S_IWUSR, show_temp_beep,
281 store_temp_beep, 0, 1),
282 SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
283 SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
284 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
285 SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
286 store_temp_max, 0, 2),
287 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
288 store_temp_max_hyst, 0, 2),
289 SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
290 store_temp_crit, 0, 2),
291 SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
293 SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
294 SENSOR_ATTR_2(temp2_beep, S_IRUGO|S_IWUSR, show_temp_beep,
295 store_temp_beep, 0, 2),
296 SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
297 SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
298 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
299 SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
300 store_temp_max, 0, 3),
301 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
302 store_temp_max_hyst, 0, 3),
303 SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
304 store_temp_crit, 0, 3),
305 SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
307 SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
308 SENSOR_ATTR_2(temp3_beep, S_IRUGO|S_IWUSR, show_temp_beep,
309 store_temp_beep, 0, 3),
310 SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
311 SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
314 static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
315 SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
317 SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
319 SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
322 static struct sensor_device_attribute_2 f718x2fg_fan_attr[] = {
323 SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
324 SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
326 store_fan_full_speed, 0, 0),
327 SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
328 store_fan_beep, 0, 0),
329 SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
330 SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
331 SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
333 store_fan_full_speed, 0, 1),
334 SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
335 store_fan_beep, 0, 1),
336 SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
337 SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
338 SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
340 store_fan_full_speed, 0, 2),
341 SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
342 store_fan_beep, 0, 2),
343 SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
345 SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
346 SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
347 store_pwm_enable, 0, 0),
348 SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
349 show_pwm_interpolate, store_pwm_interpolate, 0, 0),
350 SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
351 show_pwm_auto_point_channel,
352 store_pwm_auto_point_channel, 0, 0),
354 SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
355 SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
356 store_pwm_enable, 0, 1),
357 SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
358 show_pwm_interpolate, store_pwm_interpolate, 0, 1),
359 SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
360 show_pwm_auto_point_channel,
361 store_pwm_auto_point_channel, 0, 1),
363 SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
364 SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
365 store_pwm_enable, 0, 2),
366 SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
367 show_pwm_interpolate, store_pwm_interpolate, 0, 2),
368 SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
369 show_pwm_auto_point_channel,
370 store_pwm_auto_point_channel, 0, 2),
373 static struct sensor_device_attribute_2 f71862fg_fan_attr[] = {
374 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
375 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
377 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
378 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
380 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
381 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
383 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
384 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
386 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
387 show_pwm_auto_point_temp_hyst,
388 store_pwm_auto_point_temp_hyst,
390 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
391 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
393 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
394 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
396 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
397 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
399 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
400 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
402 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
403 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
405 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
406 show_pwm_auto_point_temp_hyst,
407 store_pwm_auto_point_temp_hyst,
409 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
410 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
413 static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
414 SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
415 SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
417 store_fan_full_speed, 0, 3),
418 SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
419 store_fan_beep, 0, 3),
420 SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
422 SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
423 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
425 SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
426 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
428 SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
429 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
431 SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
432 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
434 SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
435 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
437 SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
438 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
440 SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
441 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
443 SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
444 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
446 SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
447 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
449 SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
450 show_pwm_auto_point_temp_hyst,
451 store_pwm_auto_point_temp_hyst,
453 SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
454 show_pwm_auto_point_temp_hyst, NULL, 1, 0),
455 SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
456 show_pwm_auto_point_temp_hyst, NULL, 2, 0),
457 SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
458 show_pwm_auto_point_temp_hyst, NULL, 3, 0),
460 SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
461 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
463 SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
464 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
466 SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
467 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
469 SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
470 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
472 SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
473 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
475 SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
476 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
478 SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
479 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
481 SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
482 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
484 SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
485 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
487 SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
488 show_pwm_auto_point_temp_hyst,
489 store_pwm_auto_point_temp_hyst,
491 SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
492 show_pwm_auto_point_temp_hyst, NULL, 1, 1),
493 SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
494 show_pwm_auto_point_temp_hyst, NULL, 2, 1),
495 SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
496 show_pwm_auto_point_temp_hyst, NULL, 3, 1),
498 SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
499 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
501 SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
502 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
504 SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
505 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
507 SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
508 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
510 SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
511 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
513 SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
514 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
516 SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
517 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
519 SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
520 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
522 SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
523 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
525 SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
526 show_pwm_auto_point_temp_hyst,
527 store_pwm_auto_point_temp_hyst,
529 SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
530 show_pwm_auto_point_temp_hyst, NULL, 1, 2),
531 SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
532 show_pwm_auto_point_temp_hyst, NULL, 2, 2),
533 SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
534 show_pwm_auto_point_temp_hyst, NULL, 3, 2),
536 SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
537 SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
538 store_pwm_enable, 0, 3),
539 SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
540 show_pwm_interpolate, store_pwm_interpolate, 0, 3),
541 SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
542 show_pwm_auto_point_channel,
543 store_pwm_auto_point_channel, 0, 3),
544 SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
545 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
547 SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
548 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
550 SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
551 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
553 SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
554 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
556 SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
557 show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
559 SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
560 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
562 SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
563 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
565 SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
566 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
568 SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
569 show_pwm_auto_point_temp, store_pwm_auto_point_temp,
571 SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
572 show_pwm_auto_point_temp_hyst,
573 store_pwm_auto_point_temp_hyst,
575 SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
576 show_pwm_auto_point_temp_hyst, NULL, 1, 3),
577 SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
578 show_pwm_auto_point_temp_hyst, NULL, 2, 3),
579 SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
580 show_pwm_auto_point_temp_hyst, NULL, 3, 3),
584 /* Super I/O functions */
585 static inline int superio_inb(int base, int reg)
588 return inb(base + 1);
591 static int superio_inw(int base, int reg)
595 val = inb(base + 1) << 8;
597 val |= inb(base + 1);
601 static inline void superio_enter(int base)
603 /* according to the datasheet the key must be send twice! */
604 outb( SIO_UNLOCK_KEY, base);
605 outb( SIO_UNLOCK_KEY, base);
608 static inline void superio_select( int base, int ld)
610 outb(SIO_REG_LDSEL, base);
614 static inline void superio_exit(int base)
616 outb(SIO_LOCK_KEY, base);
619 static inline u16 fan_from_reg(u16 reg)
621 return reg ? (1500000 / reg) : 0;
624 static inline u16 fan_to_reg(u16 fan)
626 return fan ? (1500000 / fan) : 0;
629 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
633 outb(reg, data->addr + ADDR_REG_OFFSET);
634 val = inb(data->addr + DATA_REG_OFFSET);
639 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
643 outb(reg++, data->addr + ADDR_REG_OFFSET);
644 val = inb(data->addr + DATA_REG_OFFSET) << 8;
645 outb(reg, data->addr + ADDR_REG_OFFSET);
646 val |= inb(data->addr + DATA_REG_OFFSET);
651 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
653 outb(reg, data->addr + ADDR_REG_OFFSET);
654 outb(val, data->addr + DATA_REG_OFFSET);
657 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
659 outb(reg++, data->addr + ADDR_REG_OFFSET);
660 outb(val >> 8, data->addr + DATA_REG_OFFSET);
661 outb(reg, data->addr + ADDR_REG_OFFSET);
662 outb(val & 255, data->addr + DATA_REG_OFFSET);
665 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
667 struct f71882fg_data *data = dev_get_drvdata(dev);
669 int nr_fans = (data->type == f71862fg) ? 3 : 4;
671 mutex_lock(&data->update_lock);
673 /* Update once every 60 seconds */
674 if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
676 if (data->type == f71882fg) {
678 f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
680 f71882fg_read8(data, F71882FG_REG_IN_BEEP);
683 /* Get High & boundary temps*/
684 for (nr = 1; nr < 4; nr++) {
685 data->temp_ovt[nr] = f71882fg_read8(data,
686 F71882FG_REG_TEMP_OVT(nr));
687 data->temp_high[nr] = f71882fg_read8(data,
688 F71882FG_REG_TEMP_HIGH(nr));
691 /* Have to hardcode hyst*/
692 data->temp_hyst[1] = f71882fg_read8(data,
693 F71882FG_REG_TEMP_HYST1) >> 4;
694 /* Hyst temps 2 & 3 stored in same register */
695 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23);
696 data->temp_hyst[2] = reg & 0x0F;
697 data->temp_hyst[3] = reg >> 4;
699 /* Have to hardcode type, because temp1 is special */
700 reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
701 reg2 = f71882fg_read8(data, F71882FG_REG_PECI);
702 if ((reg2 & 0x03) == 0x01)
703 data->temp_type[1] = 6 /* PECI */;
704 else if ((reg2 & 0x03) == 0x02)
705 data->temp_type[1] = 5 /* AMDSI */;
707 data->temp_type[1] = (reg & 0x02) ? 2 : 4;
709 data->temp_type[2] = (reg & 0x04) ? 2 : 4;
710 data->temp_type[3] = (reg & 0x08) ? 2 : 4;
712 data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
714 data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
716 data->pwm_enable = f71882fg_read8(data,
717 F71882FG_REG_PWM_ENABLE);
718 data->pwm_auto_point_hyst[0] = f71882fg_read8(data,
719 F71882FG_REG_FAN_HYST0);
720 data->pwm_auto_point_hyst[1] = f71882fg_read8(data,
721 F71882FG_REG_FAN_HYST1);
722 for (nr = 0; nr < nr_fans; nr++) {
723 data->pwm_auto_point_mapping[nr] =
725 F71882FG_REG_POINT_MAPPING(nr));
727 if (data->type == f71882fg) {
729 for (point = 0; point < 5; point++) {
730 data->pwm_auto_point_pwm[nr][point] =
732 F71882FG_REG_POINT_PWM
735 for (point = 0; point < 4; point++) {
736 data->pwm_auto_point_temp[nr][point] =
738 F71882FG_REG_POINT_TEMP
742 data->pwm_auto_point_pwm[nr][1] =
744 F71882FG_REG_POINT_PWM
746 data->pwm_auto_point_pwm[nr][4] =
748 F71882FG_REG_POINT_PWM
750 data->pwm_auto_point_temp[nr][0] =
752 F71882FG_REG_POINT_TEMP
754 data->pwm_auto_point_temp[nr][3] =
756 F71882FG_REG_POINT_TEMP
760 data->last_limits = jiffies;
763 /* Update every second */
764 if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
765 data->temp_status = f71882fg_read8(data,
766 F71882FG_REG_TEMP_STATUS);
767 data->temp_diode_open = f71882fg_read8(data,
768 F71882FG_REG_TEMP_DIODE_OPEN);
769 for (nr = 1; nr < 4; nr++)
770 data->temp[nr] = f71882fg_read8(data,
771 F71882FG_REG_TEMP(nr));
773 data->fan_status = f71882fg_read8(data,
774 F71882FG_REG_FAN_STATUS);
775 for (nr = 0; nr < nr_fans; nr++) {
776 data->fan[nr] = f71882fg_read16(data,
777 F71882FG_REG_FAN(nr));
778 data->fan_target[nr] =
779 f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
780 data->fan_full_speed[nr] =
781 f71882fg_read16(data,
782 F71882FG_REG_FAN_FULL_SPEED(nr));
784 f71882fg_read8(data, F71882FG_REG_PWM(nr));
787 if (data->type == f71882fg)
788 data->in_status = f71882fg_read8(data,
789 F71882FG_REG_IN_STATUS);
790 for (nr = 0; nr < 9; nr++)
791 data->in[nr] = f71882fg_read8(data,
792 F71882FG_REG_IN(nr));
794 data->last_updated = jiffies;
798 mutex_unlock(&data->update_lock);
803 /* Sysfs Interface */
804 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
807 struct f71882fg_data *data = f71882fg_update_device(dev);
808 int nr = to_sensor_dev_attr_2(devattr)->index;
809 int speed = fan_from_reg(data->fan[nr]);
811 if (speed == FAN_MIN_DETECT)
814 return sprintf(buf, "%d\n", speed);
817 static ssize_t show_fan_full_speed(struct device *dev,
818 struct device_attribute *devattr, char *buf)
820 struct f71882fg_data *data = f71882fg_update_device(dev);
821 int nr = to_sensor_dev_attr_2(devattr)->index;
822 int speed = fan_from_reg(data->fan_full_speed[nr]);
823 return sprintf(buf, "%d\n", speed);
826 static ssize_t store_fan_full_speed(struct device *dev,
827 struct device_attribute *devattr,
828 const char *buf, size_t count)
830 struct f71882fg_data *data = dev_get_drvdata(dev);
831 int nr = to_sensor_dev_attr_2(devattr)->index;
832 long val = simple_strtol(buf, NULL, 10);
834 val = SENSORS_LIMIT(val, 23, 1500000);
835 val = fan_to_reg(val);
837 mutex_lock(&data->update_lock);
838 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
839 if (data->pwm_enable & (1 << (2 * nr)))
844 f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
845 data->fan_full_speed[nr] = val;
847 mutex_unlock(&data->update_lock);
852 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
855 struct f71882fg_data *data = f71882fg_update_device(dev);
856 int nr = to_sensor_dev_attr_2(devattr)->index;
858 if (data->fan_beep & (1 << nr))
859 return sprintf(buf, "1\n");
861 return sprintf(buf, "0\n");
864 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
865 *devattr, const char *buf, size_t count)
867 struct f71882fg_data *data = dev_get_drvdata(dev);
868 int nr = to_sensor_dev_attr_2(devattr)->index;
869 unsigned long val = simple_strtoul(buf, NULL, 10);
871 mutex_lock(&data->update_lock);
872 data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
874 data->fan_beep |= 1 << nr;
876 data->fan_beep &= ~(1 << nr);
878 f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
879 mutex_unlock(&data->update_lock);
884 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
887 struct f71882fg_data *data = f71882fg_update_device(dev);
888 int nr = to_sensor_dev_attr_2(devattr)->index;
890 if (data->fan_status & (1 << nr))
891 return sprintf(buf, "1\n");
893 return sprintf(buf, "0\n");
896 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
899 struct f71882fg_data *data = f71882fg_update_device(dev);
900 int nr = to_sensor_dev_attr_2(devattr)->index;
902 return sprintf(buf, "%d\n", data->in[nr] * 8);
905 static ssize_t show_in_max(struct device *dev, struct device_attribute
908 struct f71882fg_data *data = f71882fg_update_device(dev);
910 return sprintf(buf, "%d\n", data->in1_max * 8);
913 static ssize_t store_in_max(struct device *dev, struct device_attribute
914 *devattr, const char *buf, size_t count)
916 struct f71882fg_data *data = dev_get_drvdata(dev);
917 long val = simple_strtol(buf, NULL, 10) / 8;
918 val = SENSORS_LIMIT(val, 0, 255);
920 mutex_lock(&data->update_lock);
921 f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
923 mutex_unlock(&data->update_lock);
928 static ssize_t show_in_beep(struct device *dev, struct device_attribute
931 struct f71882fg_data *data = f71882fg_update_device(dev);
932 int nr = to_sensor_dev_attr_2(devattr)->index;
934 if (data->in_beep & (1 << nr))
935 return sprintf(buf, "1\n");
937 return sprintf(buf, "0\n");
940 static ssize_t store_in_beep(struct device *dev, struct device_attribute
941 *devattr, const char *buf, size_t count)
943 struct f71882fg_data *data = dev_get_drvdata(dev);
944 int nr = to_sensor_dev_attr_2(devattr)->index;
945 unsigned long val = simple_strtoul(buf, NULL, 10);
947 mutex_lock(&data->update_lock);
948 data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
950 data->in_beep |= 1 << nr;
952 data->in_beep &= ~(1 << nr);
954 f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
955 mutex_unlock(&data->update_lock);
960 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
963 struct f71882fg_data *data = f71882fg_update_device(dev);
964 int nr = to_sensor_dev_attr_2(devattr)->index;
966 if (data->in_status & (1 << nr))
967 return sprintf(buf, "1\n");
969 return sprintf(buf, "0\n");
972 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
975 struct f71882fg_data *data = f71882fg_update_device(dev);
976 int nr = to_sensor_dev_attr_2(devattr)->index;
978 return sprintf(buf, "%d\n", data->temp[nr] * 1000);
981 static ssize_t show_temp_max(struct device *dev, struct device_attribute
984 struct f71882fg_data *data = f71882fg_update_device(dev);
985 int nr = to_sensor_dev_attr_2(devattr)->index;
987 return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
990 static ssize_t store_temp_max(struct device *dev, struct device_attribute
991 *devattr, const char *buf, size_t count)
993 struct f71882fg_data *data = dev_get_drvdata(dev);
994 int nr = to_sensor_dev_attr_2(devattr)->index;
995 long val = simple_strtol(buf, NULL, 10) / 1000;
996 val = SENSORS_LIMIT(val, 0, 255);
998 mutex_lock(&data->update_lock);
999 f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1000 data->temp_high[nr] = val;
1001 mutex_unlock(&data->update_lock);
1006 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1007 *devattr, char *buf)
1009 struct f71882fg_data *data = f71882fg_update_device(dev);
1010 int nr = to_sensor_dev_attr_2(devattr)->index;
1013 mutex_lock(&data->update_lock);
1014 temp_max_hyst = (data->temp_high[nr] - data->temp_hyst[nr]) * 1000;
1015 mutex_unlock(&data->update_lock);
1017 return sprintf(buf, "%d\n", temp_max_hyst);
1020 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1021 *devattr, const char *buf, size_t count)
1023 struct f71882fg_data *data = dev_get_drvdata(dev);
1024 int nr = to_sensor_dev_attr_2(devattr)->index;
1025 long val = simple_strtol(buf, NULL, 10) / 1000;
1026 ssize_t ret = count;
1029 mutex_lock(&data->update_lock);
1031 /* convert abs to relative and check */
1032 data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1033 val = SENSORS_LIMIT(val, data->temp_high[nr] - 15,
1034 data->temp_high[nr]);
1035 val = data->temp_high[nr] - val;
1036 data->temp_hyst[nr] = val;
1038 /* convert value to register contents */
1041 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST1);
1042 reg = (reg & 0x0f) | (val << 4);
1045 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23);
1046 reg = (reg & 0xf0) | val;
1049 reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23);
1050 reg = (reg & 0x0f) | (val << 4);
1054 f71882fg_write8(data, (nr <= 1) ? F71882FG_REG_TEMP_HYST1 :
1055 F71882FG_REG_TEMP_HYST23, reg);
1057 mutex_unlock(&data->update_lock);
1061 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1062 *devattr, char *buf)
1064 struct f71882fg_data *data = f71882fg_update_device(dev);
1065 int nr = to_sensor_dev_attr_2(devattr)->index;
1067 return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1070 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1071 *devattr, const char *buf, size_t count)
1073 struct f71882fg_data *data = dev_get_drvdata(dev);
1074 int nr = to_sensor_dev_attr_2(devattr)->index;
1075 long val = simple_strtol(buf, NULL, 10) / 1000;
1076 val = SENSORS_LIMIT(val, 0, 255);
1078 mutex_lock(&data->update_lock);
1079 f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1080 data->temp_ovt[nr] = val;
1081 mutex_unlock(&data->update_lock);
1086 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1087 *devattr, char *buf)
1089 struct f71882fg_data *data = f71882fg_update_device(dev);
1090 int nr = to_sensor_dev_attr_2(devattr)->index;
1093 mutex_lock(&data->update_lock);
1094 temp_crit_hyst = (data->temp_ovt[nr] - data->temp_hyst[nr]) * 1000;
1095 mutex_unlock(&data->update_lock);
1097 return sprintf(buf, "%d\n", temp_crit_hyst);
1100 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1101 *devattr, char *buf)
1103 struct f71882fg_data *data = f71882fg_update_device(dev);
1104 int nr = to_sensor_dev_attr_2(devattr)->index;
1106 return sprintf(buf, "%d\n", data->temp_type[nr]);
1109 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1110 *devattr, char *buf)
1112 struct f71882fg_data *data = f71882fg_update_device(dev);
1113 int nr = to_sensor_dev_attr_2(devattr)->index;
1115 if (data->temp_beep & (1 << nr))
1116 return sprintf(buf, "1\n");
1118 return sprintf(buf, "0\n");
1121 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1122 *devattr, const char *buf, size_t count)
1124 struct f71882fg_data *data = dev_get_drvdata(dev);
1125 int nr = to_sensor_dev_attr_2(devattr)->index;
1126 unsigned long val = simple_strtoul(buf, NULL, 10);
1128 mutex_lock(&data->update_lock);
1129 data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1131 data->temp_beep |= 1 << nr;
1133 data->temp_beep &= ~(1 << nr);
1135 f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1136 mutex_unlock(&data->update_lock);
1141 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1142 *devattr, char *buf)
1144 struct f71882fg_data *data = f71882fg_update_device(dev);
1145 int nr = to_sensor_dev_attr_2(devattr)->index;
1147 if (data->temp_status & (1 << nr))
1148 return sprintf(buf, "1\n");
1150 return sprintf(buf, "0\n");
1153 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1154 *devattr, char *buf)
1156 struct f71882fg_data *data = f71882fg_update_device(dev);
1157 int nr = to_sensor_dev_attr_2(devattr)->index;
1159 if (data->temp_diode_open & (1 << nr))
1160 return sprintf(buf, "1\n");
1162 return sprintf(buf, "0\n");
1165 static ssize_t show_pwm(struct device *dev,
1166 struct device_attribute *devattr, char *buf)
1168 struct f71882fg_data *data = f71882fg_update_device(dev);
1169 int val, nr = to_sensor_dev_attr_2(devattr)->index;
1170 mutex_lock(&data->update_lock);
1171 if (data->pwm_enable & (1 << (2 * nr)))
1173 val = data->pwm[nr];
1176 val = 255 * fan_from_reg(data->fan_target[nr])
1177 / fan_from_reg(data->fan_full_speed[nr]);
1179 mutex_unlock(&data->update_lock);
1180 return sprintf(buf, "%d\n", val);
1183 static ssize_t store_pwm(struct device *dev,
1184 struct device_attribute *devattr, const char *buf,
1187 struct f71882fg_data *data = dev_get_drvdata(dev);
1188 int nr = to_sensor_dev_attr_2(devattr)->index;
1189 long val = simple_strtol(buf, NULL, 10);
1190 val = SENSORS_LIMIT(val, 0, 255);
1192 mutex_lock(&data->update_lock);
1193 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1194 if (data->pwm_enable & (1 << (2 * nr))) {
1196 f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1197 data->pwm[nr] = val;
1200 int target, full_speed;
1201 full_speed = f71882fg_read16(data,
1202 F71882FG_REG_FAN_FULL_SPEED(nr));
1203 target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1204 f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1205 data->fan_target[nr] = target;
1206 data->fan_full_speed[nr] = full_speed;
1208 mutex_unlock(&data->update_lock);
1213 static ssize_t show_pwm_enable(struct device *dev,
1214 struct device_attribute *devattr, char *buf)
1217 struct f71882fg_data *data = f71882fg_update_device(dev);
1218 int nr = to_sensor_dev_attr_2(devattr)->index;
1220 if (data->pwm_enable & (2 << (2 * nr)))
1225 return sprintf(buf, "%d\n", result);
1228 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1229 *devattr, const char *buf, size_t count)
1231 struct f71882fg_data *data = dev_get_drvdata(dev);
1232 int nr = to_sensor_dev_attr_2(devattr)->index;
1233 long val = simple_strtol(buf, NULL, 10);
1234 if (val < 1 || val > 2)
1237 mutex_lock(&data->update_lock);
1238 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1241 data->pwm_enable |= 2 << (2 * nr);
1244 data->pwm_enable &= ~(2 << (2 * nr));
1245 break; /* Temperature ctrl */
1247 if (data->type == f71882fg) {
1248 switch (fan_mode[nr]) {
1250 data->pwm_enable |= 1 << (2 * nr);
1251 break; /* Duty cycle mode */
1253 data->pwm_enable &= ~(1 << (2 * nr));
1254 break; /* RPM mode */
1257 f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1258 mutex_unlock(&data->update_lock);
1263 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1264 struct device_attribute *devattr,
1268 struct f71882fg_data *data = f71882fg_update_device(dev);
1269 int pwm = to_sensor_dev_attr_2(devattr)->index;
1270 int point = to_sensor_dev_attr_2(devattr)->nr;
1272 mutex_lock(&data->update_lock);
1273 if (data->pwm_enable & (1 << (2 * pwm))) {
1275 result = data->pwm_auto_point_pwm[pwm][point];
1278 result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1280 mutex_unlock(&data->update_lock);
1282 return sprintf(buf, "%d\n", result);
1285 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1286 struct device_attribute *devattr,
1287 const char *buf, size_t count)
1289 struct f71882fg_data *data = dev_get_drvdata(dev);
1290 int pwm = to_sensor_dev_attr_2(devattr)->index;
1291 int point = to_sensor_dev_attr_2(devattr)->nr;
1292 long val = simple_strtol(buf, NULL, 10);
1293 val = SENSORS_LIMIT(val, 0, 255);
1295 mutex_lock(&data->update_lock);
1296 data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1297 if (data->pwm_enable & (1 << (2 * pwm))) {
1301 if (val < 29) /* Prevent negative numbers */
1304 val = (255 - val) * 32 / val;
1306 f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
1307 data->pwm_auto_point_pwm[pwm][point] = val;
1308 mutex_unlock(&data->update_lock);
1313 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
1314 struct device_attribute *devattr,
1318 struct f71882fg_data *data = f71882fg_update_device(dev);
1319 int nr = to_sensor_dev_attr_2(devattr)->index;
1320 int point = to_sensor_dev_attr_2(devattr)->nr;
1322 mutex_lock(&data->update_lock);
1325 result = data->pwm_auto_point_hyst[0] & 0x0f;
1328 result = data->pwm_auto_point_hyst[0] >> 4;
1331 result = data->pwm_auto_point_hyst[1] & 0x0f;
1334 result = data->pwm_auto_point_hyst[1] >> 4;
1337 result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
1338 mutex_unlock(&data->update_lock);
1340 return sprintf(buf, "%d\n", result);
1343 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
1344 struct device_attribute *devattr,
1345 const char *buf, size_t count)
1347 struct f71882fg_data *data = dev_get_drvdata(dev);
1348 int nr = to_sensor_dev_attr_2(devattr)->index;
1349 int point = to_sensor_dev_attr_2(devattr)->nr;
1350 long val = simple_strtol(buf, NULL, 10) / 1000;
1352 mutex_lock(&data->update_lock);
1353 data->pwm_auto_point_temp[nr][point] =
1354 f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
1355 val = SENSORS_LIMIT(val, data->pwm_auto_point_temp[nr][point] - 15,
1356 data->pwm_auto_point_temp[nr][point]);
1357 val = data->pwm_auto_point_temp[nr][point] - val;
1359 if (nr == 0 || nr == 1) {
1360 data->pwm_auto_point_hyst[0] =
1361 f71882fg_read8(data, F71882FG_REG_FAN_HYST0);
1363 data->pwm_auto_point_hyst[1] =
1364 f71882fg_read8(data, F71882FG_REG_FAN_HYST1);
1368 val = (data->pwm_auto_point_hyst[0] & 0xf0) | val;
1371 val = (data->pwm_auto_point_hyst[0] & 0x0f) | (val << 4);
1374 val = (data->pwm_auto_point_hyst[1] & 0xf0) | val;
1377 val = (data->pwm_auto_point_hyst[1] & 0x0f) | (val << 4);
1380 if (nr == 0 || nr == 1) {
1381 f71882fg_write8(data, F71882FG_REG_FAN_HYST0, val);
1382 data->pwm_auto_point_hyst[0] = val;
1384 f71882fg_write8(data, F71882FG_REG_FAN_HYST1, val);
1385 data->pwm_auto_point_hyst[1] = val;
1387 mutex_unlock(&data->update_lock);
1392 static ssize_t show_pwm_interpolate(struct device *dev,
1393 struct device_attribute *devattr, char *buf)
1396 struct f71882fg_data *data = f71882fg_update_device(dev);
1397 int nr = to_sensor_dev_attr_2(devattr)->index;
1399 result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
1401 return sprintf(buf, "%d\n", result);
1404 static ssize_t store_pwm_interpolate(struct device *dev,
1405 struct device_attribute *devattr,
1406 const char *buf, size_t count)
1408 struct f71882fg_data *data = dev_get_drvdata(dev);
1409 int nr = to_sensor_dev_attr_2(devattr)->index;
1410 unsigned long val = simple_strtoul(buf, NULL, 10);
1412 mutex_lock(&data->update_lock);
1413 data->pwm_auto_point_mapping[nr] =
1414 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1416 val = data->pwm_auto_point_mapping[nr] | (1 << 4);
1418 val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
1419 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1420 data->pwm_auto_point_mapping[nr] = val;
1421 mutex_unlock(&data->update_lock);
1426 static ssize_t show_pwm_auto_point_channel(struct device *dev,
1427 struct device_attribute *devattr,
1431 struct f71882fg_data *data = f71882fg_update_device(dev);
1432 int nr = to_sensor_dev_attr_2(devattr)->index;
1434 result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) - 1);
1436 return sprintf(buf, "%d\n", result);
1439 static ssize_t store_pwm_auto_point_channel(struct device *dev,
1440 struct device_attribute *devattr,
1441 const char *buf, size_t count)
1443 struct f71882fg_data *data = dev_get_drvdata(dev);
1444 int nr = to_sensor_dev_attr_2(devattr)->index;
1445 long val = simple_strtol(buf, NULL, 10);
1459 mutex_lock(&data->update_lock);
1460 data->pwm_auto_point_mapping[nr] =
1461 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1462 val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
1463 f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1464 data->pwm_auto_point_mapping[nr] = val;
1465 mutex_unlock(&data->update_lock);
1470 static ssize_t show_pwm_auto_point_temp(struct device *dev,
1471 struct device_attribute *devattr,
1475 struct f71882fg_data *data = f71882fg_update_device(dev);
1476 int pwm = to_sensor_dev_attr_2(devattr)->index;
1477 int point = to_sensor_dev_attr_2(devattr)->nr;
1479 result = data->pwm_auto_point_temp[pwm][point];
1480 return sprintf(buf, "%d\n", 1000 * result);
1483 static ssize_t store_pwm_auto_point_temp(struct device *dev,
1484 struct device_attribute *devattr,
1485 const char *buf, size_t count)
1487 struct f71882fg_data *data = dev_get_drvdata(dev);
1488 int pwm = to_sensor_dev_attr_2(devattr)->index;
1489 int point = to_sensor_dev_attr_2(devattr)->nr;
1490 long val = simple_strtol(buf, NULL, 10) / 1000;
1491 val = SENSORS_LIMIT(val, 0, 255);
1493 mutex_lock(&data->update_lock);
1494 f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
1495 data->pwm_auto_point_temp[pwm][point] = val;
1496 mutex_unlock(&data->update_lock);
1501 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
1504 struct f71882fg_data *data = dev_get_drvdata(dev);
1505 return sprintf(buf, "%s\n", f71882fg_names[data->type]);
1508 static int __devinit f71882fg_create_sysfs_files(struct platform_device *pdev,
1509 struct sensor_device_attribute_2 *attr, int count)
1513 for (i = 0; i < count; i++) {
1514 err = device_create_file(&pdev->dev, &attr[i].dev_attr);
1521 static int __devinit f71882fg_probe(struct platform_device *pdev)
1523 struct f71882fg_data *data;
1524 struct f71882fg_sio_data *sio_data = pdev->dev.platform_data;
1528 data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL);
1532 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
1533 data->type = sio_data->type;
1534 mutex_init(&data->update_lock);
1535 platform_set_drvdata(pdev, data);
1537 start_reg = f71882fg_read8(data, F71882FG_REG_START);
1538 if (!(start_reg & 0x03)) {
1539 dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
1544 /* If it is a 71862 and the fan / pwm part is enabled sanity check
1546 if (data->type == f71862fg && (start_reg & 0x02)) {
1547 u8 reg = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1548 if ((reg & 0x15) != 0x15) {
1550 "Invalid (reserved) pwm settings: 0x%02x\n",
1557 /* Register sysfs interface files */
1558 err = device_create_file(&pdev->dev, &dev_attr_name);
1560 goto exit_unregister_sysfs;
1562 if (start_reg & 0x01) {
1563 err = f71882fg_create_sysfs_files(pdev, f718x2fg_in_temp_attr,
1564 ARRAY_SIZE(f718x2fg_in_temp_attr));
1566 goto exit_unregister_sysfs;
1568 if (data->type == f71882fg) {
1569 err = f71882fg_create_sysfs_files(pdev,
1570 f71882fg_in_temp_attr,
1571 ARRAY_SIZE(f71882fg_in_temp_attr));
1573 goto exit_unregister_sysfs;
1577 if (start_reg & 0x02) {
1578 err = f71882fg_create_sysfs_files(pdev, f718x2fg_fan_attr,
1579 ARRAY_SIZE(f718x2fg_fan_attr));
1581 goto exit_unregister_sysfs;
1583 if (data->type == f71862fg) {
1584 err = f71882fg_create_sysfs_files(pdev,
1586 ARRAY_SIZE(f71862fg_fan_attr));
1588 err = f71882fg_create_sysfs_files(pdev,
1590 ARRAY_SIZE(f71882fg_fan_attr));
1593 goto exit_unregister_sysfs;
1596 data->hwmon_dev = hwmon_device_register(&pdev->dev);
1597 if (IS_ERR(data->hwmon_dev)) {
1598 err = PTR_ERR(data->hwmon_dev);
1599 data->hwmon_dev = NULL;
1600 goto exit_unregister_sysfs;
1605 exit_unregister_sysfs:
1606 f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
1607 return err; /* f71882fg_remove() also frees our data */
1613 static int f71882fg_remove(struct platform_device *pdev)
1616 struct f71882fg_data *data = platform_get_drvdata(pdev);
1618 platform_set_drvdata(pdev, NULL);
1619 if (data->hwmon_dev)
1620 hwmon_device_unregister(data->hwmon_dev);
1622 device_remove_file(&pdev->dev, &dev_attr_name);
1624 for (i = 0; i < ARRAY_SIZE(f718x2fg_in_temp_attr); i++)
1625 device_remove_file(&pdev->dev,
1626 &f718x2fg_in_temp_attr[i].dev_attr);
1628 for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
1629 device_remove_file(&pdev->dev,
1630 &f71882fg_in_temp_attr[i].dev_attr);
1632 for (i = 0; i < ARRAY_SIZE(f718x2fg_fan_attr); i++)
1633 device_remove_file(&pdev->dev, &f718x2fg_fan_attr[i].dev_attr);
1635 for (i = 0; i < ARRAY_SIZE(f71862fg_fan_attr); i++)
1636 device_remove_file(&pdev->dev, &f71862fg_fan_attr[i].dev_attr);
1638 for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
1639 device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
1646 static int __init f71882fg_find(int sioaddr, unsigned short *address,
1647 struct f71882fg_sio_data *sio_data)
1652 superio_enter(sioaddr);
1654 devid = superio_inw(sioaddr, SIO_REG_MANID);
1655 if (devid != SIO_FINTEK_ID) {
1656 printk(KERN_INFO DRVNAME ": Not a Fintek device\n");
1660 devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
1663 sio_data->type = f71862fg;
1666 sio_data->type = f71882fg;
1669 printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n");
1673 superio_select(sioaddr, SIO_F71882FG_LD_HWM);
1674 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
1675 printk(KERN_WARNING DRVNAME ": Device not activated\n");
1679 *address = superio_inw(sioaddr, SIO_REG_ADDR);
1682 printk(KERN_WARNING DRVNAME ": Base address not set\n");
1685 *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
1688 printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %d\n",
1689 f71882fg_names[sio_data->type], (unsigned int)*address,
1690 (int)superio_inb(sioaddr, SIO_REG_DEVREV));
1692 superio_exit(sioaddr);
1696 static int __init f71882fg_device_add(unsigned short address,
1697 const struct f71882fg_sio_data *sio_data)
1699 struct resource res = {
1701 .end = address + REGION_LENGTH - 1,
1702 .flags = IORESOURCE_IO,
1706 f71882fg_pdev = platform_device_alloc(DRVNAME, address);
1710 res.name = f71882fg_pdev->name;
1711 err = platform_device_add_resources(f71882fg_pdev, &res, 1);
1713 printk(KERN_ERR DRVNAME ": Device resource addition failed\n");
1714 goto exit_device_put;
1717 err = platform_device_add_data(f71882fg_pdev, sio_data,
1718 sizeof(struct f71882fg_sio_data));
1720 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1721 goto exit_device_put;
1724 err = platform_device_add(f71882fg_pdev);
1726 printk(KERN_ERR DRVNAME ": Device addition failed\n");
1727 goto exit_device_put;
1733 platform_device_put(f71882fg_pdev);
1738 static int __init f71882fg_init(void)
1741 unsigned short address;
1742 struct f71882fg_sio_data sio_data;
1744 memset(&sio_data, 0, sizeof(sio_data));
1746 if (f71882fg_find(0x2e, &address, &sio_data) &&
1747 f71882fg_find(0x4e, &address, &sio_data))
1750 err = platform_driver_register(&f71882fg_driver);
1754 err = f71882fg_device_add(address, &sio_data);
1761 platform_driver_unregister(&f71882fg_driver);
1766 static void __exit f71882fg_exit(void)
1768 platform_device_unregister(f71882fg_pdev);
1769 platform_driver_unregister(&f71882fg_driver);
1772 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
1773 MODULE_AUTHOR("Hans Edgington, Hans de Goede (hdegoede@redhat.com)");
1774 MODULE_LICENSE("GPL");
1776 module_init(f71882fg_init);
1777 module_exit(f71882fg_exit);