Version:  2.0.40 2.2.26 2.4.37 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6

Linux/drivers/hwmon/f71882fg.c

  1 /***************************************************************************
  2  *   Copyright (C) 2006 by Hans Edgington <hans@edgington.nl>              *
  3  *   Copyright (C) 2007-2011 Hans de Goede <hdegoede@redhat.com>           *
  4  *                                                                         *
  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.                                   *
  9  *                                                                         *
 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.                          *
 14  *                                                                         *
 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  ***************************************************************************/
 20 
 21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 22 
 23 #include <linux/module.h>
 24 #include <linux/init.h>
 25 #include <linux/slab.h>
 26 #include <linux/jiffies.h>
 27 #include <linux/platform_device.h>
 28 #include <linux/hwmon.h>
 29 #include <linux/hwmon-sysfs.h>
 30 #include <linux/err.h>
 31 #include <linux/mutex.h>
 32 #include <linux/io.h>
 33 #include <linux/acpi.h>
 34 
 35 #define DRVNAME "f71882fg"
 36 
 37 #define SIO_F71858FG_LD_HWM     0x02    /* Hardware monitor logical device */
 38 #define SIO_F71882FG_LD_HWM     0x04    /* Hardware monitor logical device */
 39 #define SIO_UNLOCK_KEY          0x87    /* Key to enable Super-I/O */
 40 #define SIO_LOCK_KEY            0xAA    /* Key to disable Super-I/O */
 41 
 42 #define SIO_REG_LDSEL           0x07    /* Logical device select */
 43 #define SIO_REG_DEVID           0x20    /* Device ID (2 bytes) */
 44 #define SIO_REG_DEVREV          0x22    /* Device revision */
 45 #define SIO_REG_MANID           0x23    /* Fintek ID (2 bytes) */
 46 #define SIO_REG_ENABLE          0x30    /* Logical device enable */
 47 #define SIO_REG_ADDR            0x60    /* Logical device address (2 bytes) */
 48 
 49 #define SIO_FINTEK_ID           0x1934  /* Manufacturers ID */
 50 #define SIO_F71808E_ID          0x0901  /* Chipset ID */
 51 #define SIO_F71808A_ID          0x1001  /* Chipset ID */
 52 #define SIO_F71858_ID           0x0507  /* Chipset ID */
 53 #define SIO_F71862_ID           0x0601  /* Chipset ID */
 54 #define SIO_F71868_ID           0x1106  /* Chipset ID */
 55 #define SIO_F71869_ID           0x0814  /* Chipset ID */
 56 #define SIO_F71869A_ID          0x1007  /* Chipset ID */
 57 #define SIO_F71882_ID           0x0541  /* Chipset ID */
 58 #define SIO_F71889_ID           0x0723  /* Chipset ID */
 59 #define SIO_F71889E_ID          0x0909  /* Chipset ID */
 60 #define SIO_F71889A_ID          0x1005  /* Chipset ID */
 61 #define SIO_F8000_ID            0x0581  /* Chipset ID */
 62 #define SIO_F81768D_ID          0x1210  /* Chipset ID */
 63 #define SIO_F81865_ID           0x0704  /* Chipset ID */
 64 #define SIO_F81866_ID           0x1010  /* Chipset ID */
 65 
 66 #define REGION_LENGTH           8
 67 #define ADDR_REG_OFFSET         5
 68 #define DATA_REG_OFFSET         6
 69 
 70 #define F71882FG_REG_IN_STATUS          0x12 /* f7188x only */
 71 #define F71882FG_REG_IN_BEEP            0x13 /* f7188x only */
 72 #define F71882FG_REG_IN(nr)             (0x20  + (nr))
 73 #define F71882FG_REG_IN1_HIGH           0x32 /* f7188x only */
 74 
 75 #define F81866_REG_IN_STATUS            0x16 /* F81866 only */
 76 #define F81866_REG_IN_BEEP                      0x17 /* F81866 only */
 77 #define F81866_REG_IN1_HIGH             0x3a /* F81866 only */
 78 
 79 #define F71882FG_REG_FAN(nr)            (0xA0 + (16 * (nr)))
 80 #define F71882FG_REG_FAN_TARGET(nr)     (0xA2 + (16 * (nr)))
 81 #define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr)))
 82 #define F71882FG_REG_FAN_STATUS         0x92
 83 #define F71882FG_REG_FAN_BEEP           0x93
 84 
 85 #define F71882FG_REG_TEMP(nr)           (0x70 + 2 * (nr))
 86 #define F71882FG_REG_TEMP_OVT(nr)       (0x80 + 2 * (nr))
 87 #define F71882FG_REG_TEMP_HIGH(nr)      (0x81 + 2 * (nr))
 88 #define F71882FG_REG_TEMP_STATUS        0x62
 89 #define F71882FG_REG_TEMP_BEEP          0x63
 90 #define F71882FG_REG_TEMP_CONFIG        0x69
 91 #define F71882FG_REG_TEMP_HYST(nr)      (0x6C + (nr))
 92 #define F71882FG_REG_TEMP_TYPE          0x6B
 93 #define F71882FG_REG_TEMP_DIODE_OPEN    0x6F
 94 
 95 #define F71882FG_REG_PWM(nr)            (0xA3 + (16 * (nr)))
 96 #define F71882FG_REG_PWM_TYPE           0x94
 97 #define F71882FG_REG_PWM_ENABLE         0x96
 98 
 99 #define F71882FG_REG_FAN_HYST(nr)       (0x98 + (nr))
100 
101 #define F71882FG_REG_FAN_FAULT_T        0x9F
102 #define F71882FG_FAN_NEG_TEMP_EN        0x20
103 #define F71882FG_FAN_PROG_SEL           0x80
104 
105 #define F71882FG_REG_POINT_PWM(pwm, point)      (0xAA + (point) + (16 * (pwm)))
106 #define F71882FG_REG_POINT_TEMP(pwm, point)     (0xA6 + (point) + (16 * (pwm)))
107 #define F71882FG_REG_POINT_MAPPING(nr)          (0xAF + 16 * (nr))
108 
109 #define F71882FG_REG_START              0x01
110 
111 #define F71882FG_MAX_INS                11
112 
113 #define FAN_MIN_DETECT                  366 /* Lowest detectable fanspeed */
114 
115 static unsigned short force_id;
116 module_param(force_id, ushort, 0);
117 MODULE_PARM_DESC(force_id, "Override the detected device ID");
118 
119 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
120         f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
121         f81866a};
122 
123 static const char *const f71882fg_names[] = {
124         "f71808e",
125         "f71808a",
126         "f71858fg",
127         "f71862fg",
128         "f71868a",
129         "f71869", /* Both f71869f and f71869e, reg. compatible and same id */
130         "f71869a",
131         "f71882fg",
132         "f71889fg", /* f81801u too, same id */
133         "f71889ed",
134         "f71889a",
135         "f8000",
136         "f81768d",
137         "f81865f",
138         "f81866a",
139 };
140 
141 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
142         [f71808e]       = { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
143         [f71808a]       = { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
144         [f71858fg]      = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
145         [f71862fg]      = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
146         [f71868a]       = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
147         [f71869]        = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
148         [f71869a]       = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
149         [f71882fg]      = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
150         [f71889fg]      = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
151         [f71889ed]      = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
152         [f71889a]       = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
153         [f8000]         = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
154         [f81768d]       = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
155         [f81865f]       = { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
156         [f81866a]       = { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
157 };
158 
159 static const char f71882fg_has_in1_alarm[] = {
160         [f71808e]       = 0,
161         [f71808a]       = 0,
162         [f71858fg]      = 0,
163         [f71862fg]      = 0,
164         [f71868a]       = 0,
165         [f71869]        = 0,
166         [f71869a]       = 0,
167         [f71882fg]      = 1,
168         [f71889fg]      = 1,
169         [f71889ed]      = 1,
170         [f71889a]       = 1,
171         [f8000]         = 0,
172         [f81768d]       = 1,
173         [f81865f]       = 1,
174         [f81866a]       = 1,
175 };
176 
177 static const char f71882fg_fan_has_beep[] = {
178         [f71808e]       = 0,
179         [f71808a]       = 0,
180         [f71858fg]      = 0,
181         [f71862fg]      = 1,
182         [f71868a]       = 1,
183         [f71869]        = 1,
184         [f71869a]       = 1,
185         [f71882fg]      = 1,
186         [f71889fg]      = 1,
187         [f71889ed]      = 1,
188         [f71889a]       = 1,
189         [f8000]         = 0,
190         [f81768d]       = 1,
191         [f81865f]       = 1,
192         [f81866a]       = 1,
193 };
194 
195 static const char f71882fg_nr_fans[] = {
196         [f71808e]       = 3,
197         [f71808a]       = 2, /* +1 fan which is monitor + simple pwm only */
198         [f71858fg]      = 3,
199         [f71862fg]      = 3,
200         [f71868a]       = 3,
201         [f71869]        = 3,
202         [f71869a]       = 3,
203         [f71882fg]      = 4,
204         [f71889fg]      = 3,
205         [f71889ed]      = 3,
206         [f71889a]       = 3,
207         [f8000]         = 3, /* +1 fan which is monitor only */
208         [f81768d]       = 3,
209         [f81865f]       = 2,
210         [f81866a]       = 3,
211 };
212 
213 static const char f71882fg_temp_has_beep[] = {
214         [f71808e]       = 0,
215         [f71808a]       = 1,
216         [f71858fg]      = 0,
217         [f71862fg]      = 1,
218         [f71868a]       = 1,
219         [f71869]        = 1,
220         [f71869a]       = 1,
221         [f71882fg]      = 1,
222         [f71889fg]      = 1,
223         [f71889ed]      = 1,
224         [f71889a]       = 1,
225         [f8000]         = 0,
226         [f81768d]       = 1,
227         [f81865f]       = 1,
228         [f81866a]       = 1,
229 };
230 
231 static const char f71882fg_nr_temps[] = {
232         [f71808e]       = 2,
233         [f71808a]       = 2,
234         [f71858fg]      = 3,
235         [f71862fg]      = 3,
236         [f71868a]       = 3,
237         [f71869]        = 3,
238         [f71869a]       = 3,
239         [f71882fg]      = 3,
240         [f71889fg]      = 3,
241         [f71889ed]      = 3,
242         [f71889a]       = 3,
243         [f8000]         = 3,
244         [f81768d]       = 3,
245         [f81865f]       = 2,
246         [f81866a]       = 3,
247 };
248 
249 static struct platform_device *f71882fg_pdev;
250 
251 /* Super-I/O Function prototypes */
252 static inline int superio_inb(int base, int reg);
253 static inline int superio_inw(int base, int reg);
254 static inline int superio_enter(int base);
255 static inline void superio_select(int base, int ld);
256 static inline void superio_exit(int base);
257 
258 struct f71882fg_sio_data {
259         enum chips type;
260 };
261 
262 struct f71882fg_data {
263         unsigned short addr;
264         enum chips type;
265         struct device *hwmon_dev;
266 
267         struct mutex update_lock;
268         int temp_start;                 /* temp numbering start (0 or 1) */
269         char valid;                     /* !=0 if following fields are valid */
270         char auto_point_temp_signed;
271         unsigned long last_updated;     /* In jiffies */
272         unsigned long last_limits;      /* In jiffies */
273 
274         /* Register Values */
275         u8      in[F71882FG_MAX_INS];
276         u8      in1_max;
277         u8      in_status;
278         u8      in_beep;
279         u16     fan[4];
280         u16     fan_target[4];
281         u16     fan_full_speed[4];
282         u8      fan_status;
283         u8      fan_beep;
284         /*
285          * Note: all models have max 3 temperature channels, but on some
286          * they are addressed as 0-2 and on others as 1-3, so for coding
287          * convenience we reserve space for 4 channels
288          */
289         u16     temp[4];
290         u8      temp_ovt[4];
291         u8      temp_high[4];
292         u8      temp_hyst[2]; /* 2 hysts stored per reg */
293         u8      temp_type[4];
294         u8      temp_status;
295         u8      temp_beep;
296         u8      temp_diode_open;
297         u8      temp_config;
298         u8      pwm[4];
299         u8      pwm_enable;
300         u8      pwm_auto_point_hyst[2];
301         u8      pwm_auto_point_mapping[4];
302         u8      pwm_auto_point_pwm[4][5];
303         s8      pwm_auto_point_temp[4][4];
304 };
305 
306 /* Sysfs in */
307 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
308         char *buf);
309 static ssize_t show_in_max(struct device *dev, struct device_attribute
310         *devattr, char *buf);
311 static ssize_t store_in_max(struct device *dev, struct device_attribute
312         *devattr, const char *buf, size_t count);
313 static ssize_t show_in_beep(struct device *dev, struct device_attribute
314         *devattr, char *buf);
315 static ssize_t store_in_beep(struct device *dev, struct device_attribute
316         *devattr, const char *buf, size_t count);
317 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
318         *devattr, char *buf);
319 /* Sysfs Fan */
320 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
321         char *buf);
322 static ssize_t show_fan_full_speed(struct device *dev,
323         struct device_attribute *devattr, char *buf);
324 static ssize_t store_fan_full_speed(struct device *dev,
325         struct device_attribute *devattr, const char *buf, size_t count);
326 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
327         *devattr, char *buf);
328 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
329         *devattr, const char *buf, size_t count);
330 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
331         *devattr, char *buf);
332 /* Sysfs Temp */
333 static ssize_t show_temp(struct device *dev, struct device_attribute
334         *devattr, char *buf);
335 static ssize_t show_temp_max(struct device *dev, struct device_attribute
336         *devattr, char *buf);
337 static ssize_t store_temp_max(struct device *dev, struct device_attribute
338         *devattr, const char *buf, size_t count);
339 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
340         *devattr, char *buf);
341 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
342         *devattr, const char *buf, size_t count);
343 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
344         *devattr, char *buf);
345 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
346         *devattr, const char *buf, size_t count);
347 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
348         *devattr, char *buf);
349 static ssize_t show_temp_type(struct device *dev, struct device_attribute
350         *devattr, char *buf);
351 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
352         *devattr, char *buf);
353 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
354         *devattr, const char *buf, size_t count);
355 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
356         *devattr, char *buf);
357 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
358         *devattr, char *buf);
359 /* PWM and Auto point control */
360 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
361         char *buf);
362 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
363         const char *buf, size_t count);
364 static ssize_t show_simple_pwm(struct device *dev,
365         struct device_attribute *devattr, char *buf);
366 static ssize_t store_simple_pwm(struct device *dev,
367         struct device_attribute *devattr, const char *buf, size_t count);
368 static ssize_t show_pwm_enable(struct device *dev,
369         struct device_attribute *devattr, char *buf);
370 static ssize_t store_pwm_enable(struct device *dev,
371         struct device_attribute *devattr, const char *buf, size_t count);
372 static ssize_t show_pwm_interpolate(struct device *dev,
373         struct device_attribute *devattr, char *buf);
374 static ssize_t store_pwm_interpolate(struct device *dev,
375         struct device_attribute *devattr, const char *buf, size_t count);
376 static ssize_t show_pwm_auto_point_channel(struct device *dev,
377         struct device_attribute *devattr, char *buf);
378 static ssize_t store_pwm_auto_point_channel(struct device *dev,
379         struct device_attribute *devattr, const char *buf, size_t count);
380 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
381         struct device_attribute *devattr, char *buf);
382 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
383         struct device_attribute *devattr, const char *buf, size_t count);
384 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
385         struct device_attribute *devattr, char *buf);
386 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
387         struct device_attribute *devattr, const char *buf, size_t count);
388 static ssize_t show_pwm_auto_point_temp(struct device *dev,
389         struct device_attribute *devattr, char *buf);
390 static ssize_t store_pwm_auto_point_temp(struct device *dev,
391         struct device_attribute *devattr, const char *buf, size_t count);
392 /* Sysfs misc */
393 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
394         char *buf);
395 
396 static int f71882fg_probe(struct platform_device *pdev);
397 static int f71882fg_remove(struct platform_device *pdev);
398 
399 static struct platform_driver f71882fg_driver = {
400         .driver = {
401                 .name   = DRVNAME,
402         },
403         .probe          = f71882fg_probe,
404         .remove         = f71882fg_remove,
405 };
406 
407 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
408 
409 /*
410  * Temp attr for the f71858fg, the f71858fg is special as it has its
411  * temperature indexes start at 0 (the others start at 1)
412  */
413 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
414         SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
415         SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
416                 store_temp_max, 0, 0),
417         SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
418                 store_temp_max_hyst, 0, 0),
419         SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
420         SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
421                 store_temp_crit, 0, 0),
422         SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
423                 0, 0),
424         SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
425         SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
426         SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
427         SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
428                 store_temp_max, 0, 1),
429         SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
430                 store_temp_max_hyst, 0, 1),
431         SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
432         SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
433                 store_temp_crit, 0, 1),
434         SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
435                 0, 1),
436         SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
437         SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
438         SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
439         SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
440                 store_temp_max, 0, 2),
441         SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
442                 store_temp_max_hyst, 0, 2),
443         SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
444         SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
445                 store_temp_crit, 0, 2),
446         SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
447                 0, 2),
448         SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
449         SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
450 };
451 
452 /* Temp attr for the standard models */
453 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
454         SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
455         SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
456                 store_temp_max, 0, 1),
457         SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
458                 store_temp_max_hyst, 0, 1),
459         /*
460          * Should really be temp1_max_alarm, but older versions did not handle
461          * the max and crit alarms separately and lm_sensors v2 depends on the
462          * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
463          */
464         SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
465         SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
466                 store_temp_crit, 0, 1),
467         SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
468                 0, 1),
469         SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
470         SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
471         SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
472 }, {
473         SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
474         SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
475                 store_temp_max, 0, 2),
476         SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
477                 store_temp_max_hyst, 0, 2),
478         /* Should be temp2_max_alarm, see temp1_alarm note */
479         SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
480         SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
481                 store_temp_crit, 0, 2),
482         SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
483                 0, 2),
484         SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
485         SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
486         SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
487 }, {
488         SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
489         SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
490                 store_temp_max, 0, 3),
491         SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
492                 store_temp_max_hyst, 0, 3),
493         /* Should be temp3_max_alarm, see temp1_alarm note */
494         SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
495         SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
496                 store_temp_crit, 0, 3),
497         SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
498                 0, 3),
499         SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
500         SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
501         SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
502 } };
503 
504 /* Temp attr for models which can beep on temp alarm */
505 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
506         SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
507                 store_temp_beep, 0, 1),
508         SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
509                 store_temp_beep, 0, 5),
510 }, {
511         SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
512                 store_temp_beep, 0, 2),
513         SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
514                 store_temp_beep, 0, 6),
515 }, {
516         SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
517                 store_temp_beep, 0, 3),
518         SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
519                 store_temp_beep, 0, 7),
520 } };
521 
522 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
523         SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
524                 store_temp_beep, 0, 0),
525         SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
526                 store_temp_beep, 0, 4),
527 }, {
528         SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
529                 store_temp_beep, 0, 1),
530         SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
531                 store_temp_beep, 0, 5),
532 }, {
533         SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
534                 store_temp_beep, 0, 2),
535         SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
536                 store_temp_beep, 0, 6),
537 } };
538 
539 /*
540  * Temp attr for the f8000
541  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
542  * is used as hysteresis value to clear alarms
543  * Also like the f71858fg its temperature indexes start at 0
544  */
545 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
546         SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
547         SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
548                 store_temp_crit, 0, 0),
549         SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
550                 store_temp_max, 0, 0),
551         SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
552         SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
553         SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
554         SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
555                 store_temp_crit, 0, 1),
556         SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
557                 store_temp_max, 0, 1),
558         SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
559         SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
560         SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
561         SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
562                 store_temp_crit, 0, 2),
563         SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
564                 store_temp_max, 0, 2),
565         SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
566         SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
567 };
568 
569 /* in attr for all models */
570 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
571         SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
572         SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
573         SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
574         SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
575         SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
576         SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
577         SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
578         SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
579         SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
580         SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
581         SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
582 };
583 
584 /* For models with in1 alarm capability */
585 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
586         SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
587                 0, 1),
588         SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
589                 0, 1),
590         SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
591 };
592 
593 /* Fan / PWM attr common to all models */
594 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
595         SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
596         SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
597                       show_fan_full_speed,
598                       store_fan_full_speed, 0, 0),
599         SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
600         SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
601         SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
602                       store_pwm_enable, 0, 0),
603         SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
604                       show_pwm_interpolate, store_pwm_interpolate, 0, 0),
605 }, {
606         SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
607         SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
608                       show_fan_full_speed,
609                       store_fan_full_speed, 0, 1),
610         SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
611         SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
612         SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
613                       store_pwm_enable, 0, 1),
614         SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
615                       show_pwm_interpolate, store_pwm_interpolate, 0, 1),
616 }, {
617         SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
618         SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
619                       show_fan_full_speed,
620                       store_fan_full_speed, 0, 2),
621         SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
622         SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
623         SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
624                       store_pwm_enable, 0, 2),
625         SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
626                       show_pwm_interpolate, store_pwm_interpolate, 0, 2),
627 }, {
628         SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
629         SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
630                       show_fan_full_speed,
631                       store_fan_full_speed, 0, 3),
632         SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
633         SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
634         SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
635                       store_pwm_enable, 0, 3),
636         SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
637                       show_pwm_interpolate, store_pwm_interpolate, 0, 3),
638 } };
639 
640 /* Attr for the third fan of the f71808a, which only has manual pwm */
641 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
642         SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
643         SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
644         SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
645                       show_simple_pwm, store_simple_pwm, 0, 2),
646 };
647 
648 /* Attr for models which can beep on Fan alarm */
649 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
650         SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
651                 store_fan_beep, 0, 0),
652         SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
653                 store_fan_beep, 0, 1),
654         SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
655                 store_fan_beep, 0, 2),
656         SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
657                 store_fan_beep, 0, 3),
658 };
659 
660 /*
661  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
662  * standard models
663  */
664 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
665         SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
666                       show_pwm_auto_point_channel,
667                       store_pwm_auto_point_channel, 0, 0),
668         SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
669                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
670                       1, 0),
671         SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
672                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
673                       4, 0),
674         SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
675                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
676                       0, 0),
677         SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
678                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
679                       3, 0),
680         SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
681                       show_pwm_auto_point_temp_hyst,
682                       store_pwm_auto_point_temp_hyst,
683                       0, 0),
684         SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
685                       show_pwm_auto_point_temp_hyst, NULL, 3, 0),
686 }, {
687         SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
688                       show_pwm_auto_point_channel,
689                       store_pwm_auto_point_channel, 0, 1),
690         SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
691                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
692                       1, 1),
693         SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
694                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
695                       4, 1),
696         SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
697                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
698                       0, 1),
699         SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
700                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
701                       3, 1),
702         SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
703                       show_pwm_auto_point_temp_hyst,
704                       store_pwm_auto_point_temp_hyst,
705                       0, 1),
706         SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
707                       show_pwm_auto_point_temp_hyst, NULL, 3, 1),
708 }, {
709         SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
710                       show_pwm_auto_point_channel,
711                       store_pwm_auto_point_channel, 0, 2),
712         SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
713                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
714                       1, 2),
715         SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
716                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
717                       4, 2),
718         SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
719                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
720                       0, 2),
721         SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
722                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
723                       3, 2),
724         SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
725                       show_pwm_auto_point_temp_hyst,
726                       store_pwm_auto_point_temp_hyst,
727                       0, 2),
728         SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
729                       show_pwm_auto_point_temp_hyst, NULL, 3, 2),
730 } };
731 
732 /*
733  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
734  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
735  * programmed instead of being hardcoded to 0xff
736  */
737 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
738         SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
739                       show_pwm_auto_point_channel,
740                       store_pwm_auto_point_channel, 0, 0),
741         SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
742                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
743                       0, 0),
744         SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
745                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
746                       1, 0),
747         SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
748                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
749                       4, 0),
750         SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
751                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
752                       0, 0),
753         SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
754                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
755                       3, 0),
756         SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
757                       show_pwm_auto_point_temp_hyst,
758                       store_pwm_auto_point_temp_hyst,
759                       0, 0),
760         SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
761                       show_pwm_auto_point_temp_hyst, NULL, 3, 0),
762 }, {
763         SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
764                       show_pwm_auto_point_channel,
765                       store_pwm_auto_point_channel, 0, 1),
766         SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
767                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
768                       0, 1),
769         SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
770                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
771                       1, 1),
772         SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
773                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
774                       4, 1),
775         SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
776                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
777                       0, 1),
778         SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
779                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
780                       3, 1),
781         SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
782                       show_pwm_auto_point_temp_hyst,
783                       store_pwm_auto_point_temp_hyst,
784                       0, 1),
785         SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
786                       show_pwm_auto_point_temp_hyst, NULL, 3, 1),
787 }, {
788         SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
789                       show_pwm_auto_point_channel,
790                       store_pwm_auto_point_channel, 0, 2),
791         SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
792                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
793                       0, 2),
794         SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
795                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
796                       1, 2),
797         SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
798                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
799                       4, 2),
800         SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
801                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
802                       0, 2),
803         SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
804                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
805                       3, 2),
806         SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
807                       show_pwm_auto_point_temp_hyst,
808                       store_pwm_auto_point_temp_hyst,
809                       0, 2),
810         SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
811                       show_pwm_auto_point_temp_hyst, NULL, 3, 2),
812 } };
813 
814 /* PWM attr for the standard models */
815 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
816         SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
817                       show_pwm_auto_point_channel,
818                       store_pwm_auto_point_channel, 0, 0),
819         SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
820                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
821                       0, 0),
822         SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
823                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
824                       1, 0),
825         SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
826                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
827                       2, 0),
828         SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
829                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
830                       3, 0),
831         SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
832                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
833                       4, 0),
834         SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
835                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
836                       0, 0),
837         SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
838                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
839                       1, 0),
840         SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
841                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
842                       2, 0),
843         SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
844                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
845                       3, 0),
846         SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
847                       show_pwm_auto_point_temp_hyst,
848                       store_pwm_auto_point_temp_hyst,
849                       0, 0),
850         SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
851                       show_pwm_auto_point_temp_hyst, NULL, 1, 0),
852         SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
853                       show_pwm_auto_point_temp_hyst, NULL, 2, 0),
854         SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
855                       show_pwm_auto_point_temp_hyst, NULL, 3, 0),
856 }, {
857         SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
858                       show_pwm_auto_point_channel,
859                       store_pwm_auto_point_channel, 0, 1),
860         SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
861                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
862                       0, 1),
863         SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
864                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
865                       1, 1),
866         SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
867                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
868                       2, 1),
869         SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
870                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
871                       3, 1),
872         SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
873                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
874                       4, 1),
875         SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
876                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
877                       0, 1),
878         SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
879                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
880                       1, 1),
881         SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
882                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
883                       2, 1),
884         SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
885                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
886                       3, 1),
887         SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
888                       show_pwm_auto_point_temp_hyst,
889                       store_pwm_auto_point_temp_hyst,
890                       0, 1),
891         SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
892                       show_pwm_auto_point_temp_hyst, NULL, 1, 1),
893         SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
894                       show_pwm_auto_point_temp_hyst, NULL, 2, 1),
895         SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
896                       show_pwm_auto_point_temp_hyst, NULL, 3, 1),
897 }, {
898         SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
899                       show_pwm_auto_point_channel,
900                       store_pwm_auto_point_channel, 0, 2),
901         SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
902                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
903                       0, 2),
904         SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
905                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
906                       1, 2),
907         SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
908                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
909                       2, 2),
910         SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
911                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
912                       3, 2),
913         SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
914                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
915                       4, 2),
916         SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
917                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
918                       0, 2),
919         SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
920                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
921                       1, 2),
922         SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
923                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
924                       2, 2),
925         SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
926                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
927                       3, 2),
928         SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
929                       show_pwm_auto_point_temp_hyst,
930                       store_pwm_auto_point_temp_hyst,
931                       0, 2),
932         SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
933                       show_pwm_auto_point_temp_hyst, NULL, 1, 2),
934         SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
935                       show_pwm_auto_point_temp_hyst, NULL, 2, 2),
936         SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
937                       show_pwm_auto_point_temp_hyst, NULL, 3, 2),
938 }, {
939         SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
940                       show_pwm_auto_point_channel,
941                       store_pwm_auto_point_channel, 0, 3),
942         SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
943                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
944                       0, 3),
945         SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
946                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
947                       1, 3),
948         SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
949                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
950                       2, 3),
951         SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
952                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
953                       3, 3),
954         SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
955                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
956                       4, 3),
957         SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
958                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
959                       0, 3),
960         SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
961                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
962                       1, 3),
963         SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
964                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
965                       2, 3),
966         SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
967                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
968                       3, 3),
969         SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
970                       show_pwm_auto_point_temp_hyst,
971                       store_pwm_auto_point_temp_hyst,
972                       0, 3),
973         SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
974                       show_pwm_auto_point_temp_hyst, NULL, 1, 3),
975         SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
976                       show_pwm_auto_point_temp_hyst, NULL, 2, 3),
977         SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
978                       show_pwm_auto_point_temp_hyst, NULL, 3, 3),
979 } };
980 
981 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
982 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
983         SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
984 };
985 
986 /*
987  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
988  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
989  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
990  */
991 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
992         SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
993                       show_pwm_auto_point_channel,
994                       store_pwm_auto_point_channel, 0, 0),
995         SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
996                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
997                       0, 2),
998         SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
999                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1000                       1, 2),
1001         SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1002                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1003                       2, 2),
1004         SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1005                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1006                       3, 2),
1007         SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1008                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1009                       4, 2),
1010         SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
1011                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1012                       0, 2),
1013         SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1014                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1015                       1, 2),
1016         SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1017                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1018                       2, 2),
1019         SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1020                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1021                       3, 2),
1022         SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1023                       show_pwm_auto_point_temp_hyst,
1024                       store_pwm_auto_point_temp_hyst,
1025                       0, 2),
1026         SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1027                       show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1028         SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1029                       show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1030         SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1031                       show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1032 }, {
1033         SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1034                       show_pwm_auto_point_channel,
1035                       store_pwm_auto_point_channel, 0, 1),
1036         SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1037                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1038                       0, 0),
1039         SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1040                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1041                       1, 0),
1042         SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1043                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1044                       2, 0),
1045         SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1046                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1047                       3, 0),
1048         SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1049                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1050                       4, 0),
1051         SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1052                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1053                       0, 0),
1054         SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
1055                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1056                       1, 0),
1057         SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
1058                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1059                       2, 0),
1060         SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
1061                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1062                       3, 0),
1063         SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1064                       show_pwm_auto_point_temp_hyst,
1065                       store_pwm_auto_point_temp_hyst,
1066                       0, 0),
1067         SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
1068                       show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1069         SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
1070                       show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1071         SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
1072                       show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1073 }, {
1074         SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1075                       show_pwm_auto_point_channel,
1076                       store_pwm_auto_point_channel, 0, 2),
1077         SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1078                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1079                       0, 1),
1080         SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1081                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1082                       1, 1),
1083         SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1084                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1085                       2, 1),
1086         SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1087                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1088                       3, 1),
1089         SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1090                       show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1091                       4, 1),
1092         SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
1093                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1094                       0, 1),
1095         SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
1096                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1097                       1, 1),
1098         SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
1099                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1100                       2, 1),
1101         SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
1102                       show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1103                       3, 1),
1104         SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1105                       show_pwm_auto_point_temp_hyst,
1106                       store_pwm_auto_point_temp_hyst,
1107                       0, 1),
1108         SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
1109                       show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1110         SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
1111                       show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1112         SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
1113                       show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1114 } };
1115 
1116 /* Super I/O functions */
1117 static inline int superio_inb(int base, int reg)
1118 {
1119         outb(reg, base);
1120         return inb(base + 1);
1121 }
1122 
1123 static int superio_inw(int base, int reg)
1124 {
1125         int val;
1126         val  = superio_inb(base, reg) << 8;
1127         val |= superio_inb(base, reg + 1);
1128         return val;
1129 }
1130 
1131 static inline int superio_enter(int base)
1132 {
1133         /* Don't step on other drivers' I/O space by accident */
1134         if (!request_muxed_region(base, 2, DRVNAME)) {
1135                 pr_err("I/O address 0x%04x already in use\n", base);
1136                 return -EBUSY;
1137         }
1138 
1139         /* according to the datasheet the key must be send twice! */
1140         outb(SIO_UNLOCK_KEY, base);
1141         outb(SIO_UNLOCK_KEY, base);
1142 
1143         return 0;
1144 }
1145 
1146 static inline void superio_select(int base, int ld)
1147 {
1148         outb(SIO_REG_LDSEL, base);
1149         outb(ld, base + 1);
1150 }
1151 
1152 static inline void superio_exit(int base)
1153 {
1154         outb(SIO_LOCK_KEY, base);
1155         release_region(base, 2);
1156 }
1157 
1158 static inline int fan_from_reg(u16 reg)
1159 {
1160         return reg ? (1500000 / reg) : 0;
1161 }
1162 
1163 static inline u16 fan_to_reg(int fan)
1164 {
1165         return fan ? (1500000 / fan) : 0;
1166 }
1167 
1168 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
1169 {
1170         u8 val;
1171 
1172         outb(reg, data->addr + ADDR_REG_OFFSET);
1173         val = inb(data->addr + DATA_REG_OFFSET);
1174 
1175         return val;
1176 }
1177 
1178 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
1179 {
1180         u16 val;
1181 
1182         val  = f71882fg_read8(data, reg) << 8;
1183         val |= f71882fg_read8(data, reg + 1);
1184 
1185         return val;
1186 }
1187 
1188 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
1189 {
1190         outb(reg, data->addr + ADDR_REG_OFFSET);
1191         outb(val, data->addr + DATA_REG_OFFSET);
1192 }
1193 
1194 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
1195 {
1196         f71882fg_write8(data, reg,     val >> 8);
1197         f71882fg_write8(data, reg + 1, val & 0xff);
1198 }
1199 
1200 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
1201 {
1202         if (data->type == f71858fg)
1203                 return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
1204         else
1205                 return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
1206 }
1207 
1208 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
1209 {
1210         struct f71882fg_data *data = dev_get_drvdata(dev);
1211         int nr_fans = f71882fg_nr_fans[data->type];
1212         int nr_temps = f71882fg_nr_temps[data->type];
1213         int nr, reg, point;
1214 
1215         mutex_lock(&data->update_lock);
1216 
1217         /* Update once every 60 seconds */
1218         if (time_after(jiffies, data->last_limits + 60 * HZ) ||
1219                         !data->valid) {
1220                 if (f71882fg_has_in1_alarm[data->type]) {
1221                         if (data->type == f81866a) {
1222                                 data->in1_max =
1223                                         f71882fg_read8(data,
1224                                                        F81866_REG_IN1_HIGH);
1225                                 data->in_beep =
1226                                         f71882fg_read8(data,
1227                                                        F81866_REG_IN_BEEP);
1228                         } else {
1229                                 data->in1_max =
1230                                         f71882fg_read8(data,
1231                                                        F71882FG_REG_IN1_HIGH);
1232                                 data->in_beep =
1233                                         f71882fg_read8(data,
1234                                                        F71882FG_REG_IN_BEEP);
1235                         }
1236                 }
1237 
1238                 /* Get High & boundary temps*/
1239                 for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1240                                                                         nr++) {
1241                         data->temp_ovt[nr] = f71882fg_read8(data,
1242                                                 F71882FG_REG_TEMP_OVT(nr));
1243                         data->temp_high[nr] = f71882fg_read8(data,
1244                                                 F71882FG_REG_TEMP_HIGH(nr));
1245                 }
1246 
1247                 if (data->type != f8000) {
1248                         data->temp_hyst[0] = f71882fg_read8(data,
1249                                                 F71882FG_REG_TEMP_HYST(0));
1250                         data->temp_hyst[1] = f71882fg_read8(data,
1251                                                 F71882FG_REG_TEMP_HYST(1));
1252                 }
1253                 /* All but the f71858fg / f8000 have this register */
1254                 if ((data->type != f71858fg) && (data->type != f8000)) {
1255                         reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
1256                         data->temp_type[1] = (reg & 0x02) ? 2 : 4;
1257                         data->temp_type[2] = (reg & 0x04) ? 2 : 4;
1258                         data->temp_type[3] = (reg & 0x08) ? 2 : 4;
1259                 }
1260 
1261                 if (f71882fg_fan_has_beep[data->type])
1262                         data->fan_beep = f71882fg_read8(data,
1263                                                 F71882FG_REG_FAN_BEEP);
1264 
1265                 if (f71882fg_temp_has_beep[data->type])
1266                         data->temp_beep = f71882fg_read8(data,
1267                                                 F71882FG_REG_TEMP_BEEP);
1268 
1269                 data->pwm_enable = f71882fg_read8(data,
1270                                                   F71882FG_REG_PWM_ENABLE);
1271                 data->pwm_auto_point_hyst[0] =
1272                         f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
1273                 data->pwm_auto_point_hyst[1] =
1274                         f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
1275 
1276                 for (nr = 0; nr < nr_fans; nr++) {
1277                         data->pwm_auto_point_mapping[nr] =
1278                             f71882fg_read8(data,
1279                                            F71882FG_REG_POINT_MAPPING(nr));
1280 
1281                         switch (data->type) {
1282                         default:
1283                                 for (point = 0; point < 5; point++) {
1284                                         data->pwm_auto_point_pwm[nr][point] =
1285                                                 f71882fg_read8(data,
1286                                                         F71882FG_REG_POINT_PWM
1287                                                         (nr, point));
1288                                 }
1289                                 for (point = 0; point < 4; point++) {
1290                                         data->pwm_auto_point_temp[nr][point] =
1291                                                 f71882fg_read8(data,
1292                                                         F71882FG_REG_POINT_TEMP
1293                                                         (nr, point));
1294                                 }
1295                                 break;
1296                         case f71808e:
1297                         case f71869:
1298                                 data->pwm_auto_point_pwm[nr][0] =
1299                                         f71882fg_read8(data,
1300                                                 F71882FG_REG_POINT_PWM(nr, 0));
1301                                 /* Fall through */
1302                         case f71862fg:
1303                                 data->pwm_auto_point_pwm[nr][1] =
1304                                         f71882fg_read8(data,
1305                                                 F71882FG_REG_POINT_PWM
1306                                                 (nr, 1));
1307                                 data->pwm_auto_point_pwm[nr][4] =
1308                                         f71882fg_read8(data,
1309                                                 F71882FG_REG_POINT_PWM
1310                                                 (nr, 4));
1311                                 data->pwm_auto_point_temp[nr][0] =
1312                                         f71882fg_read8(data,
1313                                                 F71882FG_REG_POINT_TEMP
1314                                                 (nr, 0));
1315                                 data->pwm_auto_point_temp[nr][3] =
1316                                         f71882fg_read8(data,
1317                                                 F71882FG_REG_POINT_TEMP
1318                                                 (nr, 3));
1319                                 break;
1320                         }
1321                 }
1322                 data->last_limits = jiffies;
1323         }
1324 
1325         /* Update every second */
1326         if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
1327                 data->temp_status = f71882fg_read8(data,
1328                                                 F71882FG_REG_TEMP_STATUS);
1329                 data->temp_diode_open = f71882fg_read8(data,
1330                                                 F71882FG_REG_TEMP_DIODE_OPEN);
1331                 for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1332                                                                         nr++)
1333                         data->temp[nr] = f71882fg_read_temp(data, nr);
1334 
1335                 data->fan_status = f71882fg_read8(data,
1336                                                 F71882FG_REG_FAN_STATUS);
1337                 for (nr = 0; nr < nr_fans; nr++) {
1338                         data->fan[nr] = f71882fg_read16(data,
1339                                                 F71882FG_REG_FAN(nr));
1340                         data->fan_target[nr] =
1341                             f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
1342                         data->fan_full_speed[nr] =
1343                             f71882fg_read16(data,
1344                                             F71882FG_REG_FAN_FULL_SPEED(nr));
1345                         data->pwm[nr] =
1346                             f71882fg_read8(data, F71882FG_REG_PWM(nr));
1347                 }
1348                 /* Some models have 1 more fan with limited capabilities */
1349                 if (data->type == f71808a) {
1350                         data->fan[2] = f71882fg_read16(data,
1351                                                 F71882FG_REG_FAN(2));
1352                         data->pwm[2] = f71882fg_read8(data,
1353                                                         F71882FG_REG_PWM(2));
1354                 }
1355                 if (data->type == f8000)
1356                         data->fan[3] = f71882fg_read16(data,
1357                                                 F71882FG_REG_FAN(3));
1358 
1359                 if (f71882fg_has_in1_alarm[data->type]) {
1360                         if (data->type == f81866a)
1361                                 data->in_status = f71882fg_read8(data,
1362                                                 F81866_REG_IN_STATUS);
1363 
1364                         else
1365                                 data->in_status = f71882fg_read8(data,
1366                                                 F71882FG_REG_IN_STATUS);
1367                 }
1368 
1369                 for (nr = 0; nr < F71882FG_MAX_INS; nr++)
1370                         if (f71882fg_has_in[data->type][nr])
1371                                 data->in[nr] = f71882fg_read8(data,
1372                                                         F71882FG_REG_IN(nr));
1373 
1374                 data->last_updated = jiffies;
1375                 data->valid = 1;
1376         }
1377 
1378         mutex_unlock(&data->update_lock);
1379 
1380         return data;
1381 }
1382 
1383 /* Sysfs Interface */
1384 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1385         char *buf)
1386 {
1387         struct f71882fg_data *data = f71882fg_update_device(dev);
1388         int nr = to_sensor_dev_attr_2(devattr)->index;
1389         int speed = fan_from_reg(data->fan[nr]);
1390 
1391         if (speed == FAN_MIN_DETECT)
1392                 speed = 0;
1393 
1394         return sprintf(buf, "%d\n", speed);
1395 }
1396 
1397 static ssize_t show_fan_full_speed(struct device *dev,
1398                                    struct device_attribute *devattr, char *buf)
1399 {
1400         struct f71882fg_data *data = f71882fg_update_device(dev);
1401         int nr = to_sensor_dev_attr_2(devattr)->index;
1402         int speed = fan_from_reg(data->fan_full_speed[nr]);
1403         return sprintf(buf, "%d\n", speed);
1404 }
1405 
1406 static ssize_t store_fan_full_speed(struct device *dev,
1407                                     struct device_attribute *devattr,
1408                                     const char *buf, size_t count)
1409 {
1410         struct f71882fg_data *data = dev_get_drvdata(dev);
1411         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1412         long val;
1413 
1414         err = kstrtol(buf, 10, &val);
1415         if (err)
1416                 return err;
1417 
1418         val = clamp_val(val, 23, 1500000);
1419         val = fan_to_reg(val);
1420 
1421         mutex_lock(&data->update_lock);
1422         f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1423         data->fan_full_speed[nr] = val;
1424         mutex_unlock(&data->update_lock);
1425 
1426         return count;
1427 }
1428 
1429 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1430         *devattr, char *buf)
1431 {
1432         struct f71882fg_data *data = f71882fg_update_device(dev);
1433         int nr = to_sensor_dev_attr_2(devattr)->index;
1434 
1435         if (data->fan_beep & (1 << nr))
1436                 return sprintf(buf, "1\n");
1437         else
1438                 return sprintf(buf, "\n");
1439 }
1440 
1441 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1442         *devattr, const char *buf, size_t count)
1443 {
1444         struct f71882fg_data *data = dev_get_drvdata(dev);
1445         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1446         unsigned long val;
1447 
1448         err = kstrtoul(buf, 10, &val);
1449         if (err)
1450                 return err;
1451 
1452         mutex_lock(&data->update_lock);
1453         data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1454         if (val)
1455                 data->fan_beep |= 1 << nr;
1456         else
1457                 data->fan_beep &= ~(1 << nr);
1458 
1459         f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1460         mutex_unlock(&data->update_lock);
1461 
1462         return count;
1463 }
1464 
1465 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1466         *devattr, char *buf)
1467 {
1468         struct f71882fg_data *data = f71882fg_update_device(dev);
1469         int nr = to_sensor_dev_attr_2(devattr)->index;
1470 
1471         if (data->fan_status & (1 << nr))
1472                 return sprintf(buf, "1\n");
1473         else
1474                 return sprintf(buf, "\n");
1475 }
1476 
1477 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
1478         char *buf)
1479 {
1480         struct f71882fg_data *data = f71882fg_update_device(dev);
1481         int nr = to_sensor_dev_attr_2(devattr)->index;
1482 
1483         return sprintf(buf, "%d\n", data->in[nr] * 8);
1484 }
1485 
1486 static ssize_t show_in_max(struct device *dev, struct device_attribute
1487         *devattr, char *buf)
1488 {
1489         struct f71882fg_data *data = f71882fg_update_device(dev);
1490 
1491         return sprintf(buf, "%d\n", data->in1_max * 8);
1492 }
1493 
1494 static ssize_t store_in_max(struct device *dev, struct device_attribute
1495         *devattr, const char *buf, size_t count)
1496 {
1497         struct f71882fg_data *data = dev_get_drvdata(dev);
1498         int err;
1499         long val;
1500 
1501         err = kstrtol(buf, 10, &val);
1502         if (err)
1503                 return err;
1504 
1505         val /= 8;
1506         val = clamp_val(val, 0, 255);
1507 
1508         mutex_lock(&data->update_lock);
1509         if (data->type == f81866a)
1510                 f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
1511         else
1512                 f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
1513         data->in1_max = val;
1514         mutex_unlock(&data->update_lock);
1515 
1516         return count;
1517 }
1518 
1519 static ssize_t show_in_beep(struct device *dev, struct device_attribute
1520         *devattr, char *buf)
1521 {
1522         struct f71882fg_data *data = f71882fg_update_device(dev);
1523         int nr = to_sensor_dev_attr_2(devattr)->index;
1524 
1525         if (data->in_beep & (1 << nr))
1526                 return sprintf(buf, "1\n");
1527         else
1528                 return sprintf(buf, "\n");
1529 }
1530 
1531 static ssize_t store_in_beep(struct device *dev, struct device_attribute
1532         *devattr, const char *buf, size_t count)
1533 {
1534         struct f71882fg_data *data = dev_get_drvdata(dev);
1535         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1536         unsigned long val;
1537 
1538         err = kstrtoul(buf, 10, &val);
1539         if (err)
1540                 return err;
1541 
1542         mutex_lock(&data->update_lock);
1543         if (data->type == f81866a)
1544                 data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
1545         else
1546                 data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1547 
1548         if (val)
1549                 data->in_beep |= 1 << nr;
1550         else
1551                 data->in_beep &= ~(1 << nr);
1552 
1553         if (data->type == f81866a)
1554                 f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1555         else
1556                 f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1557         mutex_unlock(&data->update_lock);
1558 
1559         return count;
1560 }
1561 
1562 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1563         *devattr, char *buf)
1564 {
1565         struct f71882fg_data *data = f71882fg_update_device(dev);
1566         int nr = to_sensor_dev_attr_2(devattr)->index;
1567 
1568         if (data->in_status & (1 << nr))
1569                 return sprintf(buf, "1\n");
1570         else
1571                 return sprintf(buf, "\n");
1572 }
1573 
1574 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
1575         char *buf)
1576 {
1577         struct f71882fg_data *data = f71882fg_update_device(dev);
1578         int nr = to_sensor_dev_attr_2(devattr)->index;
1579         int sign, temp;
1580 
1581         if (data->type == f71858fg) {
1582                 /* TEMP_TABLE_SEL 1 or 3 ? */
1583                 if (data->temp_config & 1) {
1584                         sign = data->temp[nr] & 0x0001;
1585                         temp = (data->temp[nr] >> 5) & 0x7ff;
1586                 } else {
1587                         sign = data->temp[nr] & 0x8000;
1588                         temp = (data->temp[nr] >> 5) & 0x3ff;
1589                 }
1590                 temp *= 125;
1591                 if (sign)
1592                         temp -= 128000;
1593         } else
1594                 temp = data->temp[nr] * 1000;
1595 
1596         return sprintf(buf, "%d\n", temp);
1597 }
1598 
1599 static ssize_t show_temp_max(struct device *dev, struct device_attribute
1600         *devattr, char *buf)
1601 {
1602         struct f71882fg_data *data = f71882fg_update_device(dev);
1603         int nr = to_sensor_dev_attr_2(devattr)->index;
1604 
1605         return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
1606 }
1607 
1608 static ssize_t store_temp_max(struct device *dev, struct device_attribute
1609         *devattr, const char *buf, size_t count)
1610 {
1611         struct f71882fg_data *data = dev_get_drvdata(dev);
1612         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1613         long val;
1614 
1615         err = kstrtol(buf, 10, &val);
1616         if (err)
1617                 return err;
1618 
1619         val /= 1000;
1620         val = clamp_val(val, 0, 255);
1621 
1622         mutex_lock(&data->update_lock);
1623         f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1624         data->temp_high[nr] = val;
1625         mutex_unlock(&data->update_lock);
1626 
1627         return count;
1628 }
1629 
1630 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1631         *devattr, char *buf)
1632 {
1633         struct f71882fg_data *data = f71882fg_update_device(dev);
1634         int nr = to_sensor_dev_attr_2(devattr)->index;
1635         int temp_max_hyst;
1636 
1637         mutex_lock(&data->update_lock);
1638         if (nr & 1)
1639                 temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
1640         else
1641                 temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
1642         temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1643         mutex_unlock(&data->update_lock);
1644 
1645         return sprintf(buf, "%d\n", temp_max_hyst);
1646 }
1647 
1648 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1649         *devattr, const char *buf, size_t count)
1650 {
1651         struct f71882fg_data *data = dev_get_drvdata(dev);
1652         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1653         ssize_t ret = count;
1654         u8 reg;
1655         long val;
1656 
1657         err = kstrtol(buf, 10, &val);
1658         if (err)
1659                 return err;
1660 
1661         val /= 1000;
1662 
1663         mutex_lock(&data->update_lock);
1664 
1665         /* convert abs to relative and check */
1666         data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1667         val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
1668         val = data->temp_high[nr] - val;
1669 
1670         /* convert value to register contents */
1671         reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
1672         if (nr & 1)
1673                 reg = (reg & 0x0f) | (val << 4);
1674         else
1675                 reg = (reg & 0xf0) | val;
1676         f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
1677         data->temp_hyst[nr / 2] = reg;
1678 
1679         mutex_unlock(&data->update_lock);
1680         return ret;
1681 }
1682 
1683 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1684         *devattr, char *buf)
1685 {
1686         struct f71882fg_data *data = f71882fg_update_device(dev);
1687         int nr = to_sensor_dev_attr_2(devattr)->index;
1688 
1689         return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1690 }
1691 
1692 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1693         *devattr, const char *buf, size_t count)
1694 {
1695         struct f71882fg_data *data = dev_get_drvdata(dev);
1696         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1697         long val;
1698 
1699         err = kstrtol(buf, 10, &val);
1700         if (err)
1701                 return err;
1702 
1703         val /= 1000;
1704         val = clamp_val(val, 0, 255);
1705 
1706         mutex_lock(&data->update_lock);
1707         f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1708         data->temp_ovt[nr] = val;
1709         mutex_unlock(&data->update_lock);
1710 
1711         return count;
1712 }
1713 
1714 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1715         *devattr, char *buf)
1716 {
1717         struct f71882fg_data *data = f71882fg_update_device(dev);
1718         int nr = to_sensor_dev_attr_2(devattr)->index;
1719         int temp_crit_hyst;
1720 
1721         mutex_lock(&data->update_lock);
1722         if (nr & 1)
1723                 temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
1724         else
1725                 temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
1726         temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1727         mutex_unlock(&data->update_lock);
1728 
1729         return sprintf(buf, "%d\n", temp_crit_hyst);
1730 }
1731 
1732 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1733         *devattr, char *buf)
1734 {
1735         struct f71882fg_data *data = f71882fg_update_device(dev);
1736         int nr = to_sensor_dev_attr_2(devattr)->index;
1737 
1738         return sprintf(buf, "%d\n", data->temp_type[nr]);
1739 }
1740 
1741 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1742         *devattr, char *buf)
1743 {
1744         struct f71882fg_data *data = f71882fg_update_device(dev);
1745         int nr = to_sensor_dev_attr_2(devattr)->index;
1746 
1747         if (data->temp_beep & (1 << nr))
1748                 return sprintf(buf, "1\n");
1749         else
1750                 return sprintf(buf, "\n");
1751 }
1752 
1753 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1754         *devattr, const char *buf, size_t count)
1755 {
1756         struct f71882fg_data *data = dev_get_drvdata(dev);
1757         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1758         unsigned long val;
1759 
1760         err = kstrtoul(buf, 10, &val);
1761         if (err)
1762                 return err;
1763 
1764         mutex_lock(&data->update_lock);
1765         data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1766         if (val)
1767                 data->temp_beep |= 1 << nr;
1768         else
1769                 data->temp_beep &= ~(1 << nr);
1770 
1771         f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1772         mutex_unlock(&data->update_lock);
1773 
1774         return count;
1775 }
1776 
1777 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1778         *devattr, char *buf)
1779 {
1780         struct f71882fg_data *data = f71882fg_update_device(dev);
1781         int nr = to_sensor_dev_attr_2(devattr)->index;
1782 
1783         if (data->temp_status & (1 << nr))
1784                 return sprintf(buf, "1\n");
1785         else
1786                 return sprintf(buf, "\n");
1787 }
1788 
1789 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1790         *devattr, char *buf)
1791 {
1792         struct f71882fg_data *data = f71882fg_update_device(dev);
1793         int nr = to_sensor_dev_attr_2(devattr)->index;
1794 
1795         if (data->temp_diode_open & (1 << nr))
1796                 return sprintf(buf, "1\n");
1797         else
1798                 return sprintf(buf, "\n");
1799 }
1800 
1801 static ssize_t show_pwm(struct device *dev,
1802                         struct device_attribute *devattr, char *buf)
1803 {
1804         struct f71882fg_data *data = f71882fg_update_device(dev);
1805         int val, nr = to_sensor_dev_attr_2(devattr)->index;
1806         mutex_lock(&data->update_lock);
1807         if (data->pwm_enable & (1 << (2 * nr)))
1808                 /* PWM mode */
1809                 val = data->pwm[nr];
1810         else {
1811                 /* RPM mode */
1812                 val = 255 * fan_from_reg(data->fan_target[nr])
1813                         / fan_from_reg(data->fan_full_speed[nr]);
1814         }
1815         mutex_unlock(&data->update_lock);
1816         return sprintf(buf, "%d\n", val);
1817 }
1818 
1819 static ssize_t store_pwm(struct device *dev,
1820                          struct device_attribute *devattr, const char *buf,
1821                          size_t count)
1822 {
1823         struct f71882fg_data *data = dev_get_drvdata(dev);
1824         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1825         long val;
1826 
1827         err = kstrtol(buf, 10, &val);
1828         if (err)
1829                 return err;
1830 
1831         val = clamp_val(val, 0, 255);
1832 
1833         mutex_lock(&data->update_lock);
1834         data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1835         if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1836             (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1837                 count = -EROFS;
1838                 goto leave;
1839         }
1840         if (data->pwm_enable & (1 << (2 * nr))) {
1841                 /* PWM mode */
1842                 f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1843                 data->pwm[nr] = val;
1844         } else {
1845                 /* RPM mode */
1846                 int target, full_speed;
1847                 full_speed = f71882fg_read16(data,
1848                                              F71882FG_REG_FAN_FULL_SPEED(nr));
1849                 target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1850                 f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1851                 data->fan_target[nr] = target;
1852                 data->fan_full_speed[nr] = full_speed;
1853         }
1854 leave:
1855         mutex_unlock(&data->update_lock);
1856 
1857         return count;
1858 }
1859 
1860 static ssize_t show_simple_pwm(struct device *dev,
1861                                struct device_attribute *devattr, char *buf)
1862 {
1863         struct f71882fg_data *data = f71882fg_update_device(dev);
1864         int val, nr = to_sensor_dev_attr_2(devattr)->index;
1865 
1866         val = data->pwm[nr];
1867         return sprintf(buf, "%d\n", val);
1868 }
1869 
1870 static ssize_t store_simple_pwm(struct device *dev,
1871                                 struct device_attribute *devattr,
1872                                 const char *buf, size_t count)
1873 {
1874         struct f71882fg_data *data = dev_get_drvdata(dev);
1875         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1876         long val;
1877 
1878         err = kstrtol(buf, 10, &val);
1879         if (err)
1880                 return err;
1881 
1882         val = clamp_val(val, 0, 255);
1883 
1884         mutex_lock(&data->update_lock);
1885         f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1886         data->pwm[nr] = val;
1887         mutex_unlock(&data->update_lock);
1888 
1889         return count;
1890 }
1891 
1892 static ssize_t show_pwm_enable(struct device *dev,
1893                                struct device_attribute *devattr, char *buf)
1894 {
1895         int result = 0;
1896         struct f71882fg_data *data = f71882fg_update_device(dev);
1897         int nr = to_sensor_dev_attr_2(devattr)->index;
1898 
1899         switch ((data->pwm_enable >> 2 * nr) & 3) {
1900         case 0:
1901         case 1:
1902                 result = 2; /* Normal auto mode */
1903                 break;
1904         case 2:
1905                 result = 1; /* Manual mode */
1906                 break;
1907         case 3:
1908                 if (data->type == f8000)
1909                         result = 3; /* Thermostat mode */
1910                 else
1911                         result = 1; /* Manual mode */
1912                 break;
1913         }
1914 
1915         return sprintf(buf, "%d\n", result);
1916 }
1917 
1918 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1919                                 *devattr, const char *buf, size_t count)
1920 {
1921         struct f71882fg_data *data = dev_get_drvdata(dev);
1922         int err, nr = to_sensor_dev_attr_2(devattr)->index;
1923         long val;
1924 
1925         err = kstrtol(buf, 10, &val);
1926         if (err)
1927                 return err;
1928 
1929         /* Special case for F8000 pwm channel 3 which only does auto mode */
1930         if (data->type == f8000 && nr == 2 && val != 2)
1931                 return -EINVAL;
1932 
1933         mutex_lock(&data->update_lock);
1934         data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1935         /* Special case for F8000 auto PWM mode / Thermostat mode */
1936         if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1937                 switch (val) {
1938                 case 2:
1939                         data->pwm_enable &= ~(2 << (2 * nr));
1940                         break;          /* Normal auto mode */
1941                 case 3:
1942                         data->pwm_enable |= 2 << (2 * nr);
1943                         break;          /* Thermostat mode */
1944                 default:
1945                         count = -EINVAL;
1946                         goto leave;
1947                 }
1948         } else {
1949                 switch (val) {
1950                 case 1:
1951                         /* The f71858fg does not support manual RPM mode */
1952                         if (data->type == f71858fg &&
1953                             ((data->pwm_enable >> (2 * nr)) & 1)) {
1954                                 count = -EINVAL;
1955                                 goto leave;
1956                         }
1957                         data->pwm_enable |= 2 << (2 * nr);
1958                         break;          /* Manual */
1959                 case 2:
1960                         data->pwm_enable &= ~(2 << (2 * nr));
1961                         break;          /* Normal auto mode */
1962                 default:
1963                         count = -EINVAL;
1964                         goto leave;
1965                 }
1966         }
1967         f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1968 leave:
1969         mutex_unlock(&data->update_lock);
1970 
1971         return count;
1972 }
1973 
1974 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1975                                        struct device_attribute *devattr,
1976                                        char *buf)
1977 {
1978         int result;
1979         struct f71882fg_data *data = f71882fg_update_device(dev);
1980         int pwm = to_sensor_dev_attr_2(devattr)->index;
1981         int point = to_sensor_dev_attr_2(devattr)->nr;
1982 
1983         mutex_lock(&data->update_lock);
1984         if (data->pwm_enable & (1 << (2 * pwm))) {
1985                 /* PWM mode */
1986                 result = data->pwm_auto_point_pwm[pwm][point];
1987         } else {
1988                 /* RPM mode */
1989                 result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1990         }
1991         mutex_unlock(&data->update_lock);
1992 
1993         return sprintf(buf, "%d\n", result);
1994 }
1995 
1996 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1997                                         struct device_attribute *devattr,
1998                                         const char *buf, size_t count)
1999 {
2000         struct f71882fg_data *data = dev_get_drvdata(dev);
2001         int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2002         int point = to_sensor_dev_attr_2(devattr)->nr;
2003         long val;
2004 
2005         err = kstrtol(buf, 10, &val);
2006         if (err)
2007                 return err;
2008 
2009         val = clamp_val(val, 0, 255);
2010 
2011         mutex_lock(&data->update_lock);
2012         data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2013         if (data->pwm_enable & (1 << (2 * pwm))) {
2014                 /* PWM mode */
2015         } else {
2016                 /* RPM mode */
2017                 if (val < 29)   /* Prevent negative numbers */
2018                         val = 255;
2019                 else
2020                         val = (255 - val) * 32 / val;
2021         }
2022         f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
2023         data->pwm_auto_point_pwm[pwm][point] = val;
2024         mutex_unlock(&data->update_lock);
2025 
2026         return count;
2027 }
2028 
2029 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
2030                                              struct device_attribute *devattr,
2031                                              char *buf)
2032 {
2033         int result = 0;
2034         struct f71882fg_data *data = f71882fg_update_device(dev);
2035         int nr = to_sensor_dev_attr_2(devattr)->index;
2036         int point = to_sensor_dev_attr_2(devattr)->nr;
2037 
2038         mutex_lock(&data->update_lock);
2039         if (nr & 1)
2040                 result = data->pwm_auto_point_hyst[nr / 2] >> 4;
2041         else
2042                 result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
2043         result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
2044         mutex_unlock(&data->update_lock);
2045 
2046         return sprintf(buf, "%d\n", result);
2047 }
2048 
2049 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
2050                                               struct device_attribute *devattr,
2051                                               const char *buf, size_t count)
2052 {
2053         struct f71882fg_data *data = dev_get_drvdata(dev);
2054         int err, nr = to_sensor_dev_attr_2(devattr)->index;
2055         int point = to_sensor_dev_attr_2(devattr)->nr;
2056         u8 reg;
2057         long val;
2058 
2059         err = kstrtol(buf, 10, &val);
2060         if (err)
2061                 return err;
2062 
2063         val /= 1000;
2064 
2065         mutex_lock(&data->update_lock);
2066         data->pwm_auto_point_temp[nr][point] =
2067                 f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
2068         val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
2069                         data->pwm_auto_point_temp[nr][point]);
2070         val = data->pwm_auto_point_temp[nr][point] - val;
2071 
2072         reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
2073         if (nr & 1)
2074                 reg = (reg & 0x0f) | (val << 4);
2075         else
2076                 reg = (reg & 0xf0) | val;
2077 
2078         f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
2079         data->pwm_auto_point_hyst[nr / 2] = reg;
2080         mutex_unlock(&data->update_lock);
2081 
2082         return count;
2083 }
2084 
2085 static ssize_t show_pwm_interpolate(struct device *dev,
2086                                     struct device_attribute *devattr, char *buf)
2087 {
2088         int result;
2089         struct f71882fg_data *data = f71882fg_update_device(dev);
2090         int nr = to_sensor_dev_attr_2(devattr)->index;
2091 
2092         result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
2093 
2094         return sprintf(buf, "%d\n", result);
2095 }
2096 
2097 static ssize_t store_pwm_interpolate(struct device *dev,
2098                                      struct device_attribute *devattr,
2099                                      const char *buf, size_t count)
2100 {
2101         struct f71882fg_data *data = dev_get_drvdata(dev);
2102         int err, nr = to_sensor_dev_attr_2(devattr)->index;
2103         unsigned long val;
2104 
2105         err = kstrtoul(buf, 10, &val);
2106         if (err)
2107                 return err;
2108 
2109         mutex_lock(&data->update_lock);
2110         data->pwm_auto_point_mapping[nr] =
2111                 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2112         if (val)
2113                 val = data->pwm_auto_point_mapping[nr] | (1 << 4);
2114         else
2115                 val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
2116         f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2117         data->pwm_auto_point_mapping[nr] = val;
2118         mutex_unlock(&data->update_lock);
2119 
2120         return count;
2121 }
2122 
2123 static ssize_t show_pwm_auto_point_channel(struct device *dev,
2124                                            struct device_attribute *devattr,
2125                                            char *buf)
2126 {
2127         int result;
2128         struct f71882fg_data *data = f71882fg_update_device(dev);
2129         int nr = to_sensor_dev_attr_2(devattr)->index;
2130 
2131         result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
2132                        data->temp_start);
2133 
2134         return sprintf(buf, "%d\n", result);
2135 }
2136 
2137 static ssize_t store_pwm_auto_point_channel(struct device *dev,
2138                                             struct device_attribute *devattr,
2139                                             const char *buf, size_t count)
2140 {
2141         struct f71882fg_data *data = dev_get_drvdata(dev);
2142         int err, nr = to_sensor_dev_attr_2(devattr)->index;
2143         long val;
2144 
2145         err = kstrtol(buf, 10, &val);
2146         if (err)
2147                 return err;
2148 
2149         switch (val) {
2150         case 1:
2151                 val = 0;
2152                 break;
2153         case 2:
2154                 val = 1;
2155                 break;
2156         case 4:
2157                 val = 2;
2158                 break;
2159         default:
2160                 return -EINVAL;
2161         }
2162         val += data->temp_start;
2163         mutex_lock(&data->update_lock);
2164         data->pwm_auto_point_mapping[nr] =
2165                 f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2166         val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
2167         f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2168         data->pwm_auto_point_mapping[nr] = val;
2169         mutex_unlock(&data->update_lock);
2170 
2171         return count;
2172 }
2173 
2174 static ssize_t show_pwm_auto_point_temp(struct device *dev,
2175                                         struct device_attribute *devattr,
2176                                         char *buf)
2177 {
2178         int result;
2179         struct f71882fg_data *data = f71882fg_update_device(dev);
2180         int pwm = to_sensor_dev_attr_2(devattr)->index;
2181         int point = to_sensor_dev_attr_2(devattr)->nr;
2182 
2183         result = data->pwm_auto_point_temp[pwm][point];
2184         return sprintf(buf, "%d\n", 1000 * result);
2185 }
2186 
2187 static ssize_t store_pwm_auto_point_temp(struct device *dev,
2188                                          struct device_attribute *devattr,
2189                                          const char *buf, size_t count)
2190 {
2191         struct f71882fg_data *data = dev_get_drvdata(dev);
2192         int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2193         int point = to_sensor_dev_attr_2(devattr)->nr;
2194         long val;
2195 
2196         err = kstrtol(buf, 10, &val);
2197         if (err)
2198                 return err;
2199 
2200         val /= 1000;
2201 
2202         if (data->auto_point_temp_signed)
2203                 val = clamp_val(val, -128, 127);
2204         else
2205                 val = clamp_val(val, 0, 127);
2206 
2207         mutex_lock(&data->update_lock);
2208         f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
2209         data->pwm_auto_point_temp[pwm][point] = val;
2210         mutex_unlock(&data->update_lock);
2211 
2212         return count;
2213 }
2214 
2215 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
2216         char *buf)
2217 {
2218         struct f71882fg_data *data = dev_get_drvdata(dev);
2219         return sprintf(buf, "%s\n", f71882fg_names[data->type]);
2220 }
2221 
2222 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2223         struct sensor_device_attribute_2 *attr, int count)
2224 {
2225         int err, i;
2226 
2227         for (i = 0; i < count; i++) {
2228                 err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2229                 if (err)
2230                         return err;
2231         }
2232         return 0;
2233 }
2234 
2235 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2236         struct sensor_device_attribute_2 *attr, int count)
2237 {
2238         int i;
2239 
2240         for (i = 0; i < count; i++)
2241                 device_remove_file(&pdev->dev, &attr[i].dev_attr);
2242 }
2243 
2244 static int f71882fg_create_fan_sysfs_files(
2245         struct platform_device *pdev, int idx)
2246 {
2247         struct f71882fg_data *data = platform_get_drvdata(pdev);
2248         int err;
2249 
2250         /* Sanity check the pwm setting */
2251         err = 0;
2252         switch (data->type) {
2253         case f71858fg:
2254                 if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2255                         err = 1;
2256                 break;
2257         case f71862fg:
2258                 if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2259                         err = 1;
2260                 break;
2261         case f8000:
2262                 if (idx == 2)
2263                         err = data->pwm_enable & 0x20;
2264                 break;
2265         default:
2266                 break;
2267         }
2268         if (err) {
2269                 dev_err(&pdev->dev,
2270                         "Invalid (reserved) pwm settings: 0x%02x, "
2271                         "skipping fan %d\n",
2272                         (data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2273                 return 0; /* This is a non fatal condition */
2274         }
2275 
2276         err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2277                                           ARRAY_SIZE(fxxxx_fan_attr[0]));
2278         if (err)
2279                 return err;
2280 
2281         if (f71882fg_fan_has_beep[data->type]) {
2282                 err = f71882fg_create_sysfs_files(pdev,
2283                                                   &fxxxx_fan_beep_attr[idx],
2284                                                   1);
2285                 if (err)
2286                         return err;
2287         }
2288 
2289         dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2290                  (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2291 
2292         /* Check for unsupported auto pwm settings */
2293         switch (data->type) {
2294         case f71808e:
2295         case f71808a:
2296         case f71869:
2297         case f71869a:
2298         case f71889fg:
2299         case f71889ed:
2300         case f71889a:
2301                 data->pwm_auto_point_mapping[idx] =
2302                         f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2303                 if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2304                     (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2305                         dev_warn(&pdev->dev,
2306                                  "Auto pwm controlled by raw digital "
2307                                  "data, disabling pwm auto_point "
2308                                  "sysfs attributes for fan %d\n", idx + 1);
2309                         return 0; /* This is a non fatal condition */
2310                 }
2311                 break;
2312         default:
2313                 break;
2314         }
2315 
2316         switch (data->type) {
2317         case f71862fg:
2318                 err = f71882fg_create_sysfs_files(pdev,
2319                                         &f71862fg_auto_pwm_attr[idx][0],
2320                                         ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2321                 break;
2322         case f71808e:
2323         case f71869:
2324                 err = f71882fg_create_sysfs_files(pdev,
2325                                         &f71869_auto_pwm_attr[idx][0],
2326                                         ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2327                 break;
2328         case f8000:
2329                 err = f71882fg_create_sysfs_files(pdev,
2330                                         &f8000_auto_pwm_attr[idx][0],
2331                                         ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2332                 break;
2333         default:
2334                 err = f71882fg_create_sysfs_files(pdev,
2335                                         &fxxxx_auto_pwm_attr[idx][0],
2336                                         ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2337         }
2338 
2339         return err;
2340 }
2341 
2342 static int f71882fg_probe(struct platform_device *pdev)
2343 {
2344         struct f71882fg_data *data;
2345         struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2346         int nr_fans = f71882fg_nr_fans[sio_data->type];
2347         int nr_temps = f71882fg_nr_temps[sio_data->type];
2348         int err, i;
2349         int size;
2350         u8 start_reg, reg;
2351 
2352         data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2353                             GFP_KERNEL);
2354         if (!data)
2355                 return -ENOMEM;
2356 
2357         data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2358         data->type = sio_data->type;
2359         data->temp_start =
2360             (data->type == f71858fg || data->type == f8000 ||
2361                 data->type == f81866a) ? 0 : 1;
2362         mutex_init(&data->update_lock);
2363         platform_set_drvdata(pdev, data);
2364 
2365         start_reg = f71882fg_read8(data, F71882FG_REG_START);
2366         if (start_reg & 0x04) {
2367                 dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2368                 return -ENODEV;
2369         }
2370         if (!(start_reg & 0x03)) {
2371                 dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2372                 return -ENODEV;
2373         }
2374 
2375         /* Register sysfs interface files */
2376         err = device_create_file(&pdev->dev, &dev_attr_name);
2377         if (err)
2378                 goto exit_unregister_sysfs;
2379 
2380         if (start_reg & 0x01) {
2381                 switch (data->type) {
2382                 case f71858fg:
2383                         data->temp_config =
2384                                 f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2385                         if (data->temp_config & 0x10)
2386                                 /*
2387                                  * The f71858fg temperature alarms behave as
2388                                  * the f8000 alarms in this mode
2389                                  */
2390                                 err = f71882fg_create_sysfs_files(pdev,
2391                                         f8000_temp_attr,
2392                                         ARRAY_SIZE(f8000_temp_attr));
2393                         else
2394                                 err = f71882fg_create_sysfs_files(pdev,
2395                                         f71858fg_temp_attr,
2396                                         ARRAY_SIZE(f71858fg_temp_attr));
2397                         break;
2398                 case f8000:
2399                         err = f71882fg_create_sysfs_files(pdev,
2400                                         f8000_temp_attr,
2401                                         ARRAY_SIZE(f8000_temp_attr));
2402                         break;
2403                 case f81866a:
2404                         err = f71882fg_create_sysfs_files(pdev,
2405                                         f71858fg_temp_attr,
2406                                         ARRAY_SIZE(f71858fg_temp_attr));
2407                         break;
2408                 default:
2409                         err = f71882fg_create_sysfs_files(pdev,
2410                                 &fxxxx_temp_attr[0][0],
2411                                 ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2412                 }
2413                 if (err)
2414                         goto exit_unregister_sysfs;
2415 
2416                 if (f71882fg_temp_has_beep[data->type]) {
2417                         if (data->type == f81866a) {
2418                                 size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2419                                 err = f71882fg_create_sysfs_files(pdev,
2420                                                 &f81866_temp_beep_attr[0][0],
2421                                                 size * nr_temps);
2422 
2423                         } else {
2424                                 size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2425                                 err = f71882fg_create_sysfs_files(pdev,
2426                                                 &fxxxx_temp_beep_attr[0][0],
2427                                                 size * nr_temps);
2428                         }
2429                         if (err)
2430                                 goto exit_unregister_sysfs;
2431                 }
2432 
2433                 for (i = 0; i < F71882FG_MAX_INS; i++) {
2434                         if (f71882fg_has_in[data->type][i]) {
2435                                 err = device_create_file(&pdev->dev,
2436                                                 &fxxxx_in_attr[i].dev_attr);
2437                                 if (err)
2438                                         goto exit_unregister_sysfs;
2439                         }
2440                 }
2441                 if (f71882fg_has_in1_alarm[data->type]) {
2442                         err = f71882fg_create_sysfs_files(pdev,
2443                                         fxxxx_in1_alarm_attr,
2444                                         ARRAY_SIZE(fxxxx_in1_alarm_attr));
2445                         if (err)
2446                                 goto exit_unregister_sysfs;
2447                 }
2448         }
2449 
2450         if (start_reg & 0x02) {
2451                 switch (data->type) {
2452                 case f71808e:
2453                 case f71808a:
2454                 case f71869:
2455                 case f71869a:
2456                         /* These always have signed auto point temps */
2457                         data->auto_point_temp_signed = 1;
2458                         /* Fall through to select correct fan/pwm reg bank! */
2459                 case f71889fg:
2460                 case f71889ed:
2461                 case f71889a:
2462                         reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2463                         if (reg & F71882FG_FAN_NEG_TEMP_EN)
2464                                 data->auto_point_temp_signed = 1;
2465                         /* Ensure banked pwm registers point to right bank */
2466                         reg &= ~F71882FG_FAN_PROG_SEL;
2467                         f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2468                         break;
2469                 default:
2470                         break;
2471                 }
2472 
2473                 data->pwm_enable =
2474                         f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2475 
2476                 for (i = 0; i < nr_fans; i++) {
2477                         err = f71882fg_create_fan_sysfs_files(pdev, i);
2478                         if (err)
2479                                 goto exit_unregister_sysfs;
2480                 }
2481 
2482                 /* Some types have 1 extra fan with limited functionality */
2483                 switch (data->type) {
2484                 case f71808a:
2485                         err = f71882fg_create_sysfs_files(pdev,
2486                                         f71808a_fan3_attr,
2487                                         ARRAY_SIZE(f71808a_fan3_attr));
2488                         break;
2489                 case f8000:
2490                         err = f71882fg_create_sysfs_files(pdev,
2491                                         f8000_fan_attr,
2492                                         ARRAY_SIZE(f8000_fan_attr));
2493                         break;
2494                 default:
2495                         break;
2496                 }
2497                 if (err)
2498                         goto exit_unregister_sysfs;
2499         }
2500 
2501         data->hwmon_dev = hwmon_device_register(&pdev->dev);
2502         if (IS_ERR(data->hwmon_dev)) {
2503                 err = PTR_ERR(data->hwmon_dev);
2504                 data->hwmon_dev = NULL;
2505                 goto exit_unregister_sysfs;
2506         }
2507 
2508         return 0;
2509 
2510 exit_unregister_sysfs:
2511         f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2512         return err; /* f71882fg_remove() also frees our data */
2513 }
2514 
2515 static int f71882fg_remove(struct platform_device *pdev)
2516 {
2517         struct f71882fg_data *data = platform_get_drvdata(pdev);
2518         int nr_fans = f71882fg_nr_fans[data->type];
2519         int nr_temps = f71882fg_nr_temps[data->type];
2520         int i;
2521         u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2522 
2523         if (data->hwmon_dev)
2524                 hwmon_device_unregister(data->hwmon_dev);
2525 
2526         device_remove_file(&pdev->dev, &dev_attr_name);
2527 
2528         if (start_reg & 0x01) {
2529                 switch (data->type) {
2530                 case f71858fg:
2531                         if (data->temp_config & 0x10)
2532                                 f71882fg_remove_sysfs_files(pdev,
2533                                         f8000_temp_attr,
2534                                         ARRAY_SIZE(f8000_temp_attr));
2535                         else
2536                                 f71882fg_remove_sysfs_files(pdev,
2537                                         f71858fg_temp_attr,
2538                                         ARRAY_SIZE(f71858fg_temp_attr));
2539                         break;
2540                 case f8000:
2541                         f71882fg_remove_sysfs_files(pdev,
2542                                         f8000_temp_attr,
2543                                         ARRAY_SIZE(f8000_temp_attr));
2544                         break;
2545                 case f81866a:
2546                         f71882fg_remove_sysfs_files(pdev,
2547                                         f71858fg_temp_attr,
2548                                         ARRAY_SIZE(f71858fg_temp_attr));
2549                         break;
2550                 default:
2551                         f71882fg_remove_sysfs_files(pdev,
2552                                 &fxxxx_temp_attr[0][0],
2553                                 ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2554                 }
2555                 if (f71882fg_temp_has_beep[data->type]) {
2556                         if (data->type == f81866a)
2557                                 f71882fg_remove_sysfs_files(pdev,
2558                                         &f81866_temp_beep_attr[0][0],
2559                                         ARRAY_SIZE(f81866_temp_beep_attr[0])
2560                                                 * nr_temps);
2561                         else
2562                                 f71882fg_remove_sysfs_files(pdev,
2563                                         &fxxxx_temp_beep_attr[0][0],
2564                                         ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2565                                                 * nr_temps);
2566                 }
2567 
2568                 for (i = 0; i < F71882FG_MAX_INS; i++) {
2569                         if (f71882fg_has_in[data->type][i]) {
2570                                 device_remove_file(&pdev->dev,
2571                                                 &fxxxx_in_attr[i].dev_attr);
2572                         }
2573                 }
2574                 if (f71882fg_has_in1_alarm[data->type]) {
2575                         f71882fg_remove_sysfs_files(pdev,
2576                                         fxxxx_in1_alarm_attr,
2577                                         ARRAY_SIZE(fxxxx_in1_alarm_attr));
2578                 }
2579         }
2580 
2581         if (start_reg & 0x02) {
2582                 f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2583                                 ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2584 
2585                 if (f71882fg_fan_has_beep[data->type]) {
2586                         f71882fg_remove_sysfs_files(pdev,
2587                                         fxxxx_fan_beep_attr, nr_fans);
2588                 }
2589 
2590                 switch (data->type) {
2591                 case f71808a:
2592                         f71882fg_remove_sysfs_files(pdev,
2593                                 &fxxxx_auto_pwm_attr[0][0],
2594                                 ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2595                         f71882fg_remove_sysfs_files(pdev,
2596                                         f71808a_fan3_attr,
2597                                         ARRAY_SIZE(f71808a_fan3_attr));
2598                         break;
2599                 case f71862fg:
2600                         f71882fg_remove_sysfs_files(pdev,
2601                                 &f71862fg_auto_pwm_attr[0][0],
2602                                 ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2603                                         nr_fans);
2604                         break;
2605                 case f71808e:
2606                 case f71869:
2607                         f71882fg_remove_sysfs_files(pdev,
2608                                 &f71869_auto_pwm_attr[0][0],
2609                                 ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2610                         break;
2611                 case f8000:
2612                         f71882fg_remove_sysfs_files(pdev,
2613                                         f8000_fan_attr,
2614                                         ARRAY_SIZE(f8000_fan_attr));
2615                         f71882fg_remove_sysfs_files(pdev,
2616                                 &f8000_auto_pwm_attr[0][0],
2617                                 ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2618                         break;
2619                 default:
2620                         f71882fg_remove_sysfs_files(pdev,
2621                                 &fxxxx_auto_pwm_attr[0][0],
2622                                 ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2623                 }
2624         }
2625         return 0;
2626 }
2627 
2628 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2629 {
2630         u16 devid;
2631         unsigned short address;
2632         int err = superio_enter(sioaddr);
2633         if (err)
2634                 return err;
2635 
2636         devid = superio_inw(sioaddr, SIO_REG_MANID);
2637         if (devid != SIO_FINTEK_ID) {
2638                 pr_debug("Not a Fintek device\n");
2639                 err = -ENODEV;
2640                 goto exit;
2641         }
2642 
2643         devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2644         switch (devid) {
2645         case SIO_F71808E_ID:
2646                 sio_data->type = f71808e;
2647                 break;
2648         case SIO_F71808A_ID:
2649                 sio_data->type = f71808a;
2650                 break;
2651         case SIO_F71858_ID:
2652                 sio_data->type = f71858fg;
2653                 break;
2654         case SIO_F71862_ID:
2655                 sio_data->type = f71862fg;
2656                 break;
2657         case SIO_F71868_ID:
2658                 sio_data->type = f71868a;
2659                 break;
2660         case SIO_F71869_ID:
2661                 sio_data->type = f71869;
2662                 break;
2663         case SIO_F71869A_ID:
2664                 sio_data->type = f71869a;
2665                 break;
2666         case SIO_F71882_ID:
2667                 sio_data->type = f71882fg;
2668                 break;
2669         case SIO_F71889_ID:
2670                 sio_data->type = f71889fg;
2671                 break;
2672         case SIO_F71889E_ID:
2673                 sio_data->type = f71889ed;
2674                 break;
2675         case SIO_F71889A_ID:
2676                 sio_data->type = f71889a;
2677                 break;
2678         case SIO_F8000_ID:
2679                 sio_data->type = f8000;
2680                 break;
2681         case SIO_F81768D_ID:
2682                 sio_data->type = f81768d;
2683                 break;
2684         case SIO_F81865_ID:
2685                 sio_data->type = f81865f;
2686                 break;
2687         case SIO_F81866_ID:
2688                 sio_data->type = f81866a;
2689                 break;
2690         default:
2691                 pr_info("Unsupported Fintek device: %04x\n",
2692                         (unsigned int)devid);
2693                 err = -ENODEV;
2694                 goto exit;
2695         }
2696 
2697         if (sio_data->type == f71858fg)
2698                 superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2699         else
2700                 superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2701 
2702         if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2703                 pr_warn("Device not activated\n");
2704                 err = -ENODEV;
2705                 goto exit;
2706         }
2707 
2708         address = superio_inw(sioaddr, SIO_REG_ADDR);
2709         if (address == 0) {
2710                 pr_warn("Base address not set\n");
2711                 err = -ENODEV;
2712                 goto exit;
2713         }
2714         address &= ~(REGION_LENGTH - 1);        /* Ignore 3 LSB */
2715 
2716         err = address;
2717         pr_info("Found %s chip at %#x, revision %d\n",
2718                 f71882fg_names[sio_data->type], (unsigned int)address,
2719                 (int)superio_inb(sioaddr, SIO_REG_DEVREV));
2720 exit:
2721         superio_exit(sioaddr);
2722         return err;
2723 }
2724 
2725 static int __init f71882fg_device_add(int address,
2726                                       const struct f71882fg_sio_data *sio_data)
2727 {
2728         struct resource res = {
2729                 .start  = address,
2730                 .end    = address + REGION_LENGTH - 1,
2731                 .flags  = IORESOURCE_IO,
2732         };
2733         int err;
2734 
2735         f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2736         if (!f71882fg_pdev)
2737                 return -ENOMEM;
2738 
2739         res.name = f71882fg_pdev->name;
2740         err = acpi_check_resource_conflict(&res);
2741         if (err)
2742                 goto exit_device_put;
2743 
2744         err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2745         if (err) {
2746                 pr_err("Device resource addition failed\n");
2747                 goto exit_device_put;
2748         }
2749 
2750         err = platform_device_add_data(f71882fg_pdev, sio_data,
2751                                        sizeof(struct f71882fg_sio_data));
2752         if (err) {
2753                 pr_err("Platform data allocation failed\n");
2754                 goto exit_device_put;
2755         }
2756 
2757         err = platform_device_add(f71882fg_pdev);
2758         if (err) {
2759                 pr_err("Device addition failed\n");
2760                 goto exit_device_put;
2761         }
2762 
2763         return 0;
2764 
2765 exit_device_put:
2766         platform_device_put(f71882fg_pdev);
2767 
2768         return err;
2769 }
2770 
2771 static int __init f71882fg_init(void)
2772 {
2773         int err;
2774         int address;
2775         struct f71882fg_sio_data sio_data;
2776 
2777         memset(&sio_data, 0, sizeof(sio_data));
2778 
2779         address = f71882fg_find(0x2e, &sio_data);
2780         if (address < 0)
2781                 address = f71882fg_find(0x4e, &sio_data);
2782         if (address < 0)
2783                 return address;
2784 
2785         err = platform_driver_register(&f71882fg_driver);
2786         if (err)
2787                 return err;
2788 
2789         err = f71882fg_device_add(address, &sio_data);
2790         if (err)
2791                 goto exit_driver;
2792 
2793         return 0;
2794 
2795 exit_driver:
2796         platform_driver_unregister(&f71882fg_driver);
2797         return err;
2798 }
2799 
2800 static void __exit f71882fg_exit(void)
2801 {
2802         platform_device_unregister(f71882fg_pdev);
2803         platform_driver_unregister(&f71882fg_driver);
2804 }
2805 
2806 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2807 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2808 MODULE_LICENSE("GPL");
2809 
2810 module_init(f71882fg_init);
2811 module_exit(f71882fg_exit);
2812 

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