xref: /linux/drivers/hwmon/f71882fg.c (revision c4ee0af3fa0dc65f690fc908f02b8355f9576ea0)
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_F71869_ID		0x0814	/* Chipset ID */
55 #define SIO_F71869A_ID		0x1007	/* Chipset ID */
56 #define SIO_F71882_ID		0x0541	/* Chipset ID */
57 #define SIO_F71889_ID		0x0723	/* Chipset ID */
58 #define SIO_F71889E_ID		0x0909	/* Chipset ID */
59 #define SIO_F71889A_ID		0x1005	/* Chipset ID */
60 #define SIO_F8000_ID		0x0581	/* Chipset ID */
61 #define SIO_F81865_ID		0x0704	/* Chipset ID */
62 
63 #define REGION_LENGTH		8
64 #define ADDR_REG_OFFSET		5
65 #define DATA_REG_OFFSET		6
66 
67 #define F71882FG_REG_IN_STATUS		0x12 /* f7188x only */
68 #define F71882FG_REG_IN_BEEP		0x13 /* f7188x only */
69 #define F71882FG_REG_IN(nr)		(0x20  + (nr))
70 #define F71882FG_REG_IN1_HIGH		0x32 /* f7188x only */
71 
72 #define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
73 #define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
74 #define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
75 #define F71882FG_REG_FAN_STATUS		0x92
76 #define F71882FG_REG_FAN_BEEP		0x93
77 
78 #define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
79 #define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
80 #define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
81 #define F71882FG_REG_TEMP_STATUS	0x62
82 #define F71882FG_REG_TEMP_BEEP		0x63
83 #define F71882FG_REG_TEMP_CONFIG	0x69
84 #define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
85 #define F71882FG_REG_TEMP_TYPE		0x6B
86 #define F71882FG_REG_TEMP_DIODE_OPEN	0x6F
87 
88 #define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
89 #define F71882FG_REG_PWM_TYPE		0x94
90 #define F71882FG_REG_PWM_ENABLE		0x96
91 
92 #define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
93 
94 #define F71882FG_REG_FAN_FAULT_T	0x9F
95 #define F71882FG_FAN_NEG_TEMP_EN	0x20
96 #define F71882FG_FAN_PROG_SEL		0x80
97 
98 #define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
99 #define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
100 #define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))
101 
102 #define	F71882FG_REG_START		0x01
103 
104 #define F71882FG_MAX_INS		9
105 
106 #define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */
107 
108 static unsigned short force_id;
109 module_param(force_id, ushort, 0);
110 MODULE_PARM_DESC(force_id, "Override the detected device ID");
111 
112 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71869, f71869a, f71882fg,
113 	     f71889fg, f71889ed, f71889a, f8000, f81865f };
114 
115 static const char *const f71882fg_names[] = {
116 	"f71808e",
117 	"f71808a",
118 	"f71858fg",
119 	"f71862fg",
120 	"f71869", /* Both f71869f and f71869e, reg. compatible and same id */
121 	"f71869a",
122 	"f71882fg",
123 	"f71889fg", /* f81801u too, same id */
124 	"f71889ed",
125 	"f71889a",
126 	"f8000",
127 	"f81865f",
128 };
129 
130 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
131 	[f71808e]	= { 1, 1, 1, 1, 1, 1, 0, 1, 1 },
132 	[f71808a]	= { 1, 1, 1, 1, 0, 0, 0, 1, 1 },
133 	[f71858fg]	= { 1, 1, 1, 0, 0, 0, 0, 0, 0 },
134 	[f71862fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
135 	[f71869]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
136 	[f71869a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
137 	[f71882fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
138 	[f71889fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
139 	[f71889ed]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
140 	[f71889a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1 },
141 	[f8000]		= { 1, 1, 1, 0, 0, 0, 0, 0, 0 },
142 	[f81865f]	= { 1, 1, 1, 1, 1, 1, 1, 0, 0 },
143 };
144 
145 static const char f71882fg_has_in1_alarm[] = {
146 	[f71808e]	= 0,
147 	[f71808a]	= 0,
148 	[f71858fg]	= 0,
149 	[f71862fg]	= 0,
150 	[f71869]	= 0,
151 	[f71869a]	= 0,
152 	[f71882fg]	= 1,
153 	[f71889fg]	= 1,
154 	[f71889ed]	= 1,
155 	[f71889a]	= 1,
156 	[f8000]		= 0,
157 	[f81865f]	= 1,
158 };
159 
160 static const char f71882fg_fan_has_beep[] = {
161 	[f71808e]	= 0,
162 	[f71808a]	= 0,
163 	[f71858fg]	= 0,
164 	[f71862fg]	= 1,
165 	[f71869]	= 1,
166 	[f71869a]	= 1,
167 	[f71882fg]	= 1,
168 	[f71889fg]	= 1,
169 	[f71889ed]	= 1,
170 	[f71889a]	= 1,
171 	[f8000]		= 0,
172 	[f81865f]	= 1,
173 };
174 
175 static const char f71882fg_nr_fans[] = {
176 	[f71808e]	= 3,
177 	[f71808a]	= 2, /* +1 fan which is monitor + simple pwm only */
178 	[f71858fg]	= 3,
179 	[f71862fg]	= 3,
180 	[f71869]	= 3,
181 	[f71869a]	= 3,
182 	[f71882fg]	= 4,
183 	[f71889fg]	= 3,
184 	[f71889ed]	= 3,
185 	[f71889a]	= 3,
186 	[f8000]		= 3, /* +1 fan which is monitor only */
187 	[f81865f]	= 2,
188 };
189 
190 static const char f71882fg_temp_has_beep[] = {
191 	[f71808e]	= 0,
192 	[f71808a]	= 1,
193 	[f71858fg]	= 0,
194 	[f71862fg]	= 1,
195 	[f71869]	= 1,
196 	[f71869a]	= 1,
197 	[f71882fg]	= 1,
198 	[f71889fg]	= 1,
199 	[f71889ed]	= 1,
200 	[f71889a]	= 1,
201 	[f8000]		= 0,
202 	[f81865f]	= 1,
203 };
204 
205 static const char f71882fg_nr_temps[] = {
206 	[f71808e]	= 2,
207 	[f71808a]	= 2,
208 	[f71858fg]	= 3,
209 	[f71862fg]	= 3,
210 	[f71869]	= 3,
211 	[f71869a]	= 3,
212 	[f71882fg]	= 3,
213 	[f71889fg]	= 3,
214 	[f71889ed]	= 3,
215 	[f71889a]	= 3,
216 	[f8000]		= 3,
217 	[f81865f]	= 2,
218 };
219 
220 static struct platform_device *f71882fg_pdev;
221 
222 /* Super-I/O Function prototypes */
223 static inline int superio_inb(int base, int reg);
224 static inline int superio_inw(int base, int reg);
225 static inline int superio_enter(int base);
226 static inline void superio_select(int base, int ld);
227 static inline void superio_exit(int base);
228 
229 struct f71882fg_sio_data {
230 	enum chips type;
231 };
232 
233 struct f71882fg_data {
234 	unsigned short addr;
235 	enum chips type;
236 	struct device *hwmon_dev;
237 
238 	struct mutex update_lock;
239 	int temp_start;			/* temp numbering start (0 or 1) */
240 	char valid;			/* !=0 if following fields are valid */
241 	char auto_point_temp_signed;
242 	unsigned long last_updated;	/* In jiffies */
243 	unsigned long last_limits;	/* In jiffies */
244 
245 	/* Register Values */
246 	u8	in[F71882FG_MAX_INS];
247 	u8	in1_max;
248 	u8	in_status;
249 	u8	in_beep;
250 	u16	fan[4];
251 	u16	fan_target[4];
252 	u16	fan_full_speed[4];
253 	u8	fan_status;
254 	u8	fan_beep;
255 	/*
256 	 * Note: all models have max 3 temperature channels, but on some
257 	 * they are addressed as 0-2 and on others as 1-3, so for coding
258 	 * convenience we reserve space for 4 channels
259 	 */
260 	u16	temp[4];
261 	u8	temp_ovt[4];
262 	u8	temp_high[4];
263 	u8	temp_hyst[2]; /* 2 hysts stored per reg */
264 	u8	temp_type[4];
265 	u8	temp_status;
266 	u8	temp_beep;
267 	u8	temp_diode_open;
268 	u8	temp_config;
269 	u8	pwm[4];
270 	u8	pwm_enable;
271 	u8	pwm_auto_point_hyst[2];
272 	u8	pwm_auto_point_mapping[4];
273 	u8	pwm_auto_point_pwm[4][5];
274 	s8	pwm_auto_point_temp[4][4];
275 };
276 
277 /* Sysfs in */
278 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
279 	char *buf);
280 static ssize_t show_in_max(struct device *dev, struct device_attribute
281 	*devattr, char *buf);
282 static ssize_t store_in_max(struct device *dev, struct device_attribute
283 	*devattr, const char *buf, size_t count);
284 static ssize_t show_in_beep(struct device *dev, struct device_attribute
285 	*devattr, char *buf);
286 static ssize_t store_in_beep(struct device *dev, struct device_attribute
287 	*devattr, const char *buf, size_t count);
288 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
289 	*devattr, char *buf);
290 /* Sysfs Fan */
291 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
292 	char *buf);
293 static ssize_t show_fan_full_speed(struct device *dev,
294 	struct device_attribute *devattr, char *buf);
295 static ssize_t store_fan_full_speed(struct device *dev,
296 	struct device_attribute *devattr, const char *buf, size_t count);
297 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
298 	*devattr, char *buf);
299 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
300 	*devattr, const char *buf, size_t count);
301 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
302 	*devattr, char *buf);
303 /* Sysfs Temp */
304 static ssize_t show_temp(struct device *dev, struct device_attribute
305 	*devattr, char *buf);
306 static ssize_t show_temp_max(struct device *dev, struct device_attribute
307 	*devattr, char *buf);
308 static ssize_t store_temp_max(struct device *dev, struct device_attribute
309 	*devattr, const char *buf, size_t count);
310 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
311 	*devattr, char *buf);
312 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
313 	*devattr, const char *buf, size_t count);
314 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
315 	*devattr, char *buf);
316 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
317 	*devattr, const char *buf, size_t count);
318 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
319 	*devattr, char *buf);
320 static ssize_t show_temp_type(struct device *dev, struct device_attribute
321 	*devattr, char *buf);
322 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
323 	*devattr, char *buf);
324 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
325 	*devattr, const char *buf, size_t count);
326 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
327 	*devattr, char *buf);
328 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
329 	*devattr, char *buf);
330 /* PWM and Auto point control */
331 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
332 	char *buf);
333 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
334 	const char *buf, size_t count);
335 static ssize_t show_simple_pwm(struct device *dev,
336 	struct device_attribute *devattr, char *buf);
337 static ssize_t store_simple_pwm(struct device *dev,
338 	struct device_attribute *devattr, const char *buf, size_t count);
339 static ssize_t show_pwm_enable(struct device *dev,
340 	struct device_attribute *devattr, char *buf);
341 static ssize_t store_pwm_enable(struct device *dev,
342 	struct device_attribute	*devattr, const char *buf, size_t count);
343 static ssize_t show_pwm_interpolate(struct device *dev,
344 	struct device_attribute *devattr, char *buf);
345 static ssize_t store_pwm_interpolate(struct device *dev,
346 	struct device_attribute *devattr, const char *buf, size_t count);
347 static ssize_t show_pwm_auto_point_channel(struct device *dev,
348 	struct device_attribute *devattr, char *buf);
349 static ssize_t store_pwm_auto_point_channel(struct device *dev,
350 	struct device_attribute *devattr, const char *buf, size_t count);
351 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
352 	struct device_attribute *devattr, char *buf);
353 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
354 	struct device_attribute *devattr, const char *buf, size_t count);
355 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
356 	struct device_attribute *devattr, char *buf);
357 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
358 	struct device_attribute *devattr, const char *buf, size_t count);
359 static ssize_t show_pwm_auto_point_temp(struct device *dev,
360 	struct device_attribute *devattr, char *buf);
361 static ssize_t store_pwm_auto_point_temp(struct device *dev,
362 	struct device_attribute *devattr, const char *buf, size_t count);
363 /* Sysfs misc */
364 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
365 	char *buf);
366 
367 static int f71882fg_probe(struct platform_device *pdev);
368 static int f71882fg_remove(struct platform_device *pdev);
369 
370 static struct platform_driver f71882fg_driver = {
371 	.driver = {
372 		.owner	= THIS_MODULE,
373 		.name	= DRVNAME,
374 	},
375 	.probe		= f71882fg_probe,
376 	.remove		= f71882fg_remove,
377 };
378 
379 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
380 
381 /*
382  * Temp attr for the f71858fg, the f71858fg is special as it has its
383  * temperature indexes start at 0 (the others start at 1)
384  */
385 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
386 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
387 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
388 		store_temp_max, 0, 0),
389 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
390 		store_temp_max_hyst, 0, 0),
391 	SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
392 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
393 		store_temp_crit, 0, 0),
394 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
395 		0, 0),
396 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
397 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
398 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
399 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
400 		store_temp_max, 0, 1),
401 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
402 		store_temp_max_hyst, 0, 1),
403 	SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
404 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
405 		store_temp_crit, 0, 1),
406 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
407 		0, 1),
408 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
409 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
410 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
411 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
412 		store_temp_max, 0, 2),
413 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
414 		store_temp_max_hyst, 0, 2),
415 	SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
416 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
417 		store_temp_crit, 0, 2),
418 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
419 		0, 2),
420 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
421 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
422 };
423 
424 /* Temp attr for the standard models */
425 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
426 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
427 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
428 		store_temp_max, 0, 1),
429 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
430 		store_temp_max_hyst, 0, 1),
431 	/*
432 	 * Should really be temp1_max_alarm, but older versions did not handle
433 	 * the max and crit alarms separately and lm_sensors v2 depends on the
434 	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
435 	 */
436 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
437 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
438 		store_temp_crit, 0, 1),
439 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
440 		0, 1),
441 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
442 	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
443 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
444 }, {
445 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
446 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
447 		store_temp_max, 0, 2),
448 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
449 		store_temp_max_hyst, 0, 2),
450 	/* Should be temp2_max_alarm, see temp1_alarm note */
451 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
452 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
453 		store_temp_crit, 0, 2),
454 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
455 		0, 2),
456 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
457 	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
458 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
459 }, {
460 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
461 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
462 		store_temp_max, 0, 3),
463 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
464 		store_temp_max_hyst, 0, 3),
465 	/* Should be temp3_max_alarm, see temp1_alarm note */
466 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
467 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
468 		store_temp_crit, 0, 3),
469 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
470 		0, 3),
471 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
472 	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
473 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
474 } };
475 
476 /* Temp attr for models which can beep on temp alarm */
477 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
478 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
479 		store_temp_beep, 0, 1),
480 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
481 		store_temp_beep, 0, 5),
482 }, {
483 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
484 		store_temp_beep, 0, 2),
485 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
486 		store_temp_beep, 0, 6),
487 }, {
488 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
489 		store_temp_beep, 0, 3),
490 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
491 		store_temp_beep, 0, 7),
492 } };
493 
494 /*
495  * Temp attr for the f8000
496  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
497  * is used as hysteresis value to clear alarms
498  * Also like the f71858fg its temperature indexes start at 0
499  */
500 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
501 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
502 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
503 		store_temp_crit, 0, 0),
504 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
505 		store_temp_max, 0, 0),
506 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
507 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
508 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
509 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
510 		store_temp_crit, 0, 1),
511 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
512 		store_temp_max, 0, 1),
513 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
514 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
515 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
516 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
517 		store_temp_crit, 0, 2),
518 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
519 		store_temp_max, 0, 2),
520 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
521 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
522 };
523 
524 /* in attr for all models */
525 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
526 	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
527 	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
528 	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
529 	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
530 	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
531 	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
532 	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
533 	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
534 	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
535 };
536 
537 /* For models with in1 alarm capability */
538 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
539 	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
540 		0, 1),
541 	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
542 		0, 1),
543 	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
544 };
545 
546 /* Fan / PWM attr common to all models */
547 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
548 	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
549 	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
550 		      show_fan_full_speed,
551 		      store_fan_full_speed, 0, 0),
552 	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
553 	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
554 	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
555 		      store_pwm_enable, 0, 0),
556 	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
557 		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
558 }, {
559 	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
560 	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
561 		      show_fan_full_speed,
562 		      store_fan_full_speed, 0, 1),
563 	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
564 	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
565 	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
566 		      store_pwm_enable, 0, 1),
567 	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
568 		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
569 }, {
570 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
571 	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
572 		      show_fan_full_speed,
573 		      store_fan_full_speed, 0, 2),
574 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
575 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
576 	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
577 		      store_pwm_enable, 0, 2),
578 	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
579 		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
580 }, {
581 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
582 	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
583 		      show_fan_full_speed,
584 		      store_fan_full_speed, 0, 3),
585 	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
586 	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
587 	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
588 		      store_pwm_enable, 0, 3),
589 	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
590 		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
591 } };
592 
593 /* Attr for the third fan of the f71808a, which only has manual pwm */
594 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
595 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
596 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
597 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
598 		      show_simple_pwm, store_simple_pwm, 0, 2),
599 };
600 
601 /* Attr for models which can beep on Fan alarm */
602 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
603 	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
604 		store_fan_beep, 0, 0),
605 	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
606 		store_fan_beep, 0, 1),
607 	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
608 		store_fan_beep, 0, 2),
609 	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
610 		store_fan_beep, 0, 3),
611 };
612 
613 /*
614  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
615  * standard models
616  */
617 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
618 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
619 		      show_pwm_auto_point_channel,
620 		      store_pwm_auto_point_channel, 0, 0),
621 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
622 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
623 		      1, 0),
624 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
625 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
626 		      4, 0),
627 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
628 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
629 		      0, 0),
630 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
631 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
632 		      3, 0),
633 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
634 		      show_pwm_auto_point_temp_hyst,
635 		      store_pwm_auto_point_temp_hyst,
636 		      0, 0),
637 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
638 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
639 }, {
640 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
641 		      show_pwm_auto_point_channel,
642 		      store_pwm_auto_point_channel, 0, 1),
643 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
644 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
645 		      1, 1),
646 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
647 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
648 		      4, 1),
649 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
650 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
651 		      0, 1),
652 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
653 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
654 		      3, 1),
655 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
656 		      show_pwm_auto_point_temp_hyst,
657 		      store_pwm_auto_point_temp_hyst,
658 		      0, 1),
659 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
660 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
661 }, {
662 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
663 		      show_pwm_auto_point_channel,
664 		      store_pwm_auto_point_channel, 0, 2),
665 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
666 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
667 		      1, 2),
668 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
669 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
670 		      4, 2),
671 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
672 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
673 		      0, 2),
674 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
675 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
676 		      3, 2),
677 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
678 		      show_pwm_auto_point_temp_hyst,
679 		      store_pwm_auto_point_temp_hyst,
680 		      0, 2),
681 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
682 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
683 } };
684 
685 /*
686  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
687  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
688  * programmed instead of being hardcoded to 0xff
689  */
690 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
691 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
692 		      show_pwm_auto_point_channel,
693 		      store_pwm_auto_point_channel, 0, 0),
694 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
695 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
696 		      0, 0),
697 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
698 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
699 		      1, 0),
700 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
701 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
702 		      4, 0),
703 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
704 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
705 		      0, 0),
706 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
707 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
708 		      3, 0),
709 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
710 		      show_pwm_auto_point_temp_hyst,
711 		      store_pwm_auto_point_temp_hyst,
712 		      0, 0),
713 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
714 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
715 }, {
716 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
717 		      show_pwm_auto_point_channel,
718 		      store_pwm_auto_point_channel, 0, 1),
719 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
720 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
721 		      0, 1),
722 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
723 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
724 		      1, 1),
725 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
726 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
727 		      4, 1),
728 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
729 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
730 		      0, 1),
731 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
732 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
733 		      3, 1),
734 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
735 		      show_pwm_auto_point_temp_hyst,
736 		      store_pwm_auto_point_temp_hyst,
737 		      0, 1),
738 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
739 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
740 }, {
741 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
742 		      show_pwm_auto_point_channel,
743 		      store_pwm_auto_point_channel, 0, 2),
744 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
745 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
746 		      0, 2),
747 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
748 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
749 		      1, 2),
750 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
751 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
752 		      4, 2),
753 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
754 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
755 		      0, 2),
756 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
757 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
758 		      3, 2),
759 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
760 		      show_pwm_auto_point_temp_hyst,
761 		      store_pwm_auto_point_temp_hyst,
762 		      0, 2),
763 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
764 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
765 } };
766 
767 /* PWM attr for the standard models */
768 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
769 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
770 		      show_pwm_auto_point_channel,
771 		      store_pwm_auto_point_channel, 0, 0),
772 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
773 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
774 		      0, 0),
775 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
776 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
777 		      1, 0),
778 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
779 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
780 		      2, 0),
781 	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
782 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
783 		      3, 0),
784 	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
785 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
786 		      4, 0),
787 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
788 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
789 		      0, 0),
790 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
791 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
792 		      1, 0),
793 	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
794 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
795 		      2, 0),
796 	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
797 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
798 		      3, 0),
799 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
800 		      show_pwm_auto_point_temp_hyst,
801 		      store_pwm_auto_point_temp_hyst,
802 		      0, 0),
803 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
804 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
805 	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
806 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
807 	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
808 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
809 }, {
810 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
811 		      show_pwm_auto_point_channel,
812 		      store_pwm_auto_point_channel, 0, 1),
813 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
814 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
815 		      0, 1),
816 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
817 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
818 		      1, 1),
819 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
820 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
821 		      2, 1),
822 	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
823 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
824 		      3, 1),
825 	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
826 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
827 		      4, 1),
828 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
829 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
830 		      0, 1),
831 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
832 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
833 		      1, 1),
834 	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
835 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
836 		      2, 1),
837 	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
838 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
839 		      3, 1),
840 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
841 		      show_pwm_auto_point_temp_hyst,
842 		      store_pwm_auto_point_temp_hyst,
843 		      0, 1),
844 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
845 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
846 	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
847 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
848 	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
849 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
850 }, {
851 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
852 		      show_pwm_auto_point_channel,
853 		      store_pwm_auto_point_channel, 0, 2),
854 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
855 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
856 		      0, 2),
857 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
858 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
859 		      1, 2),
860 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
861 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
862 		      2, 2),
863 	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
864 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
865 		      3, 2),
866 	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
867 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
868 		      4, 2),
869 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
870 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
871 		      0, 2),
872 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
873 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
874 		      1, 2),
875 	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
876 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
877 		      2, 2),
878 	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
879 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
880 		      3, 2),
881 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
882 		      show_pwm_auto_point_temp_hyst,
883 		      store_pwm_auto_point_temp_hyst,
884 		      0, 2),
885 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
886 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
887 	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
888 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
889 	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
890 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
891 }, {
892 	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
893 		      show_pwm_auto_point_channel,
894 		      store_pwm_auto_point_channel, 0, 3),
895 	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
896 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
897 		      0, 3),
898 	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
899 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
900 		      1, 3),
901 	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
902 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
903 		      2, 3),
904 	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
905 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
906 		      3, 3),
907 	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
908 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
909 		      4, 3),
910 	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
911 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
912 		      0, 3),
913 	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
914 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
915 		      1, 3),
916 	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
917 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
918 		      2, 3),
919 	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
920 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
921 		      3, 3),
922 	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
923 		      show_pwm_auto_point_temp_hyst,
924 		      store_pwm_auto_point_temp_hyst,
925 		      0, 3),
926 	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
927 		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
928 	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
929 		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
930 	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
931 		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
932 } };
933 
934 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
935 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
936 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
937 };
938 
939 /*
940  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
941  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
942  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
943  */
944 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
945 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
946 		      show_pwm_auto_point_channel,
947 		      store_pwm_auto_point_channel, 0, 0),
948 	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
949 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
950 		      0, 2),
951 	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
952 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
953 		      1, 2),
954 	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
955 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
956 		      2, 2),
957 	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
958 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
959 		      3, 2),
960 	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
961 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
962 		      4, 2),
963 	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
964 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
965 		      0, 2),
966 	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
967 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
968 		      1, 2),
969 	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
970 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
971 		      2, 2),
972 	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
973 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
974 		      3, 2),
975 	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
976 		      show_pwm_auto_point_temp_hyst,
977 		      store_pwm_auto_point_temp_hyst,
978 		      0, 2),
979 	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
980 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
981 	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
982 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
983 	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
984 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
985 }, {
986 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
987 		      show_pwm_auto_point_channel,
988 		      store_pwm_auto_point_channel, 0, 1),
989 	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
990 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
991 		      0, 0),
992 	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
993 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
994 		      1, 0),
995 	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
996 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
997 		      2, 0),
998 	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
999 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1000 		      3, 0),
1001 	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1002 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1003 		      4, 0),
1004 	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1005 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1006 		      0, 0),
1007 	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
1008 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1009 		      1, 0),
1010 	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
1011 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1012 		      2, 0),
1013 	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
1014 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1015 		      3, 0),
1016 	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1017 		      show_pwm_auto_point_temp_hyst,
1018 		      store_pwm_auto_point_temp_hyst,
1019 		      0, 0),
1020 	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
1021 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1022 	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
1023 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1024 	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
1025 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1026 }, {
1027 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1028 		      show_pwm_auto_point_channel,
1029 		      store_pwm_auto_point_channel, 0, 2),
1030 	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1031 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1032 		      0, 1),
1033 	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1034 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1035 		      1, 1),
1036 	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1037 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1038 		      2, 1),
1039 	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1040 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1041 		      3, 1),
1042 	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1043 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1044 		      4, 1),
1045 	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
1046 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1047 		      0, 1),
1048 	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
1049 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1050 		      1, 1),
1051 	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
1052 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1053 		      2, 1),
1054 	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
1055 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1056 		      3, 1),
1057 	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1058 		      show_pwm_auto_point_temp_hyst,
1059 		      store_pwm_auto_point_temp_hyst,
1060 		      0, 1),
1061 	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
1062 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1063 	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
1064 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1065 	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
1066 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1067 } };
1068 
1069 /* Super I/O functions */
1070 static inline int superio_inb(int base, int reg)
1071 {
1072 	outb(reg, base);
1073 	return inb(base + 1);
1074 }
1075 
1076 static int superio_inw(int base, int reg)
1077 {
1078 	int val;
1079 	val  = superio_inb(base, reg) << 8;
1080 	val |= superio_inb(base, reg + 1);
1081 	return val;
1082 }
1083 
1084 static inline int superio_enter(int base)
1085 {
1086 	/* Don't step on other drivers' I/O space by accident */
1087 	if (!request_muxed_region(base, 2, DRVNAME)) {
1088 		pr_err("I/O address 0x%04x already in use\n", base);
1089 		return -EBUSY;
1090 	}
1091 
1092 	/* according to the datasheet the key must be send twice! */
1093 	outb(SIO_UNLOCK_KEY, base);
1094 	outb(SIO_UNLOCK_KEY, base);
1095 
1096 	return 0;
1097 }
1098 
1099 static inline void superio_select(int base, int ld)
1100 {
1101 	outb(SIO_REG_LDSEL, base);
1102 	outb(ld, base + 1);
1103 }
1104 
1105 static inline void superio_exit(int base)
1106 {
1107 	outb(SIO_LOCK_KEY, base);
1108 	release_region(base, 2);
1109 }
1110 
1111 static inline int fan_from_reg(u16 reg)
1112 {
1113 	return reg ? (1500000 / reg) : 0;
1114 }
1115 
1116 static inline u16 fan_to_reg(int fan)
1117 {
1118 	return fan ? (1500000 / fan) : 0;
1119 }
1120 
1121 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
1122 {
1123 	u8 val;
1124 
1125 	outb(reg, data->addr + ADDR_REG_OFFSET);
1126 	val = inb(data->addr + DATA_REG_OFFSET);
1127 
1128 	return val;
1129 }
1130 
1131 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
1132 {
1133 	u16 val;
1134 
1135 	val  = f71882fg_read8(data, reg) << 8;
1136 	val |= f71882fg_read8(data, reg + 1);
1137 
1138 	return val;
1139 }
1140 
1141 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
1142 {
1143 	outb(reg, data->addr + ADDR_REG_OFFSET);
1144 	outb(val, data->addr + DATA_REG_OFFSET);
1145 }
1146 
1147 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
1148 {
1149 	f71882fg_write8(data, reg,     val >> 8);
1150 	f71882fg_write8(data, reg + 1, val & 0xff);
1151 }
1152 
1153 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
1154 {
1155 	if (data->type == f71858fg)
1156 		return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
1157 	else
1158 		return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
1159 }
1160 
1161 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
1162 {
1163 	struct f71882fg_data *data = dev_get_drvdata(dev);
1164 	int nr_fans = f71882fg_nr_fans[data->type];
1165 	int nr_temps = f71882fg_nr_temps[data->type];
1166 	int nr, reg, point;
1167 
1168 	mutex_lock(&data->update_lock);
1169 
1170 	/* Update once every 60 seconds */
1171 	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
1172 			!data->valid) {
1173 		if (f71882fg_has_in1_alarm[data->type]) {
1174 			data->in1_max =
1175 				f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
1176 			data->in_beep =
1177 				f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1178 		}
1179 
1180 		/* Get High & boundary temps*/
1181 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1182 									nr++) {
1183 			data->temp_ovt[nr] = f71882fg_read8(data,
1184 						F71882FG_REG_TEMP_OVT(nr));
1185 			data->temp_high[nr] = f71882fg_read8(data,
1186 						F71882FG_REG_TEMP_HIGH(nr));
1187 		}
1188 
1189 		if (data->type != f8000) {
1190 			data->temp_hyst[0] = f71882fg_read8(data,
1191 						F71882FG_REG_TEMP_HYST(0));
1192 			data->temp_hyst[1] = f71882fg_read8(data,
1193 						F71882FG_REG_TEMP_HYST(1));
1194 		}
1195 		/* All but the f71858fg / f8000 have this register */
1196 		if ((data->type != f71858fg) && (data->type != f8000)) {
1197 			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
1198 			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
1199 			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
1200 			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
1201 		}
1202 
1203 		if (f71882fg_fan_has_beep[data->type])
1204 			data->fan_beep = f71882fg_read8(data,
1205 						F71882FG_REG_FAN_BEEP);
1206 
1207 		if (f71882fg_temp_has_beep[data->type])
1208 			data->temp_beep = f71882fg_read8(data,
1209 						F71882FG_REG_TEMP_BEEP);
1210 
1211 		data->pwm_enable = f71882fg_read8(data,
1212 						  F71882FG_REG_PWM_ENABLE);
1213 		data->pwm_auto_point_hyst[0] =
1214 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
1215 		data->pwm_auto_point_hyst[1] =
1216 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
1217 
1218 		for (nr = 0; nr < nr_fans; nr++) {
1219 			data->pwm_auto_point_mapping[nr] =
1220 			    f71882fg_read8(data,
1221 					   F71882FG_REG_POINT_MAPPING(nr));
1222 
1223 			switch (data->type) {
1224 			default:
1225 				for (point = 0; point < 5; point++) {
1226 					data->pwm_auto_point_pwm[nr][point] =
1227 						f71882fg_read8(data,
1228 							F71882FG_REG_POINT_PWM
1229 							(nr, point));
1230 				}
1231 				for (point = 0; point < 4; point++) {
1232 					data->pwm_auto_point_temp[nr][point] =
1233 						f71882fg_read8(data,
1234 							F71882FG_REG_POINT_TEMP
1235 							(nr, point));
1236 				}
1237 				break;
1238 			case f71808e:
1239 			case f71869:
1240 				data->pwm_auto_point_pwm[nr][0] =
1241 					f71882fg_read8(data,
1242 						F71882FG_REG_POINT_PWM(nr, 0));
1243 				/* Fall through */
1244 			case f71862fg:
1245 				data->pwm_auto_point_pwm[nr][1] =
1246 					f71882fg_read8(data,
1247 						F71882FG_REG_POINT_PWM
1248 						(nr, 1));
1249 				data->pwm_auto_point_pwm[nr][4] =
1250 					f71882fg_read8(data,
1251 						F71882FG_REG_POINT_PWM
1252 						(nr, 4));
1253 				data->pwm_auto_point_temp[nr][0] =
1254 					f71882fg_read8(data,
1255 						F71882FG_REG_POINT_TEMP
1256 						(nr, 0));
1257 				data->pwm_auto_point_temp[nr][3] =
1258 					f71882fg_read8(data,
1259 						F71882FG_REG_POINT_TEMP
1260 						(nr, 3));
1261 				break;
1262 			}
1263 		}
1264 		data->last_limits = jiffies;
1265 	}
1266 
1267 	/* Update every second */
1268 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
1269 		data->temp_status = f71882fg_read8(data,
1270 						F71882FG_REG_TEMP_STATUS);
1271 		data->temp_diode_open = f71882fg_read8(data,
1272 						F71882FG_REG_TEMP_DIODE_OPEN);
1273 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1274 									nr++)
1275 			data->temp[nr] = f71882fg_read_temp(data, nr);
1276 
1277 		data->fan_status = f71882fg_read8(data,
1278 						F71882FG_REG_FAN_STATUS);
1279 		for (nr = 0; nr < nr_fans; nr++) {
1280 			data->fan[nr] = f71882fg_read16(data,
1281 						F71882FG_REG_FAN(nr));
1282 			data->fan_target[nr] =
1283 			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
1284 			data->fan_full_speed[nr] =
1285 			    f71882fg_read16(data,
1286 					    F71882FG_REG_FAN_FULL_SPEED(nr));
1287 			data->pwm[nr] =
1288 			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
1289 		}
1290 		/* Some models have 1 more fan with limited capabilities */
1291 		if (data->type == f71808a) {
1292 			data->fan[2] = f71882fg_read16(data,
1293 						F71882FG_REG_FAN(2));
1294 			data->pwm[2] = f71882fg_read8(data,
1295 							F71882FG_REG_PWM(2));
1296 		}
1297 		if (data->type == f8000)
1298 			data->fan[3] = f71882fg_read16(data,
1299 						F71882FG_REG_FAN(3));
1300 
1301 		if (f71882fg_has_in1_alarm[data->type])
1302 			data->in_status = f71882fg_read8(data,
1303 						F71882FG_REG_IN_STATUS);
1304 		for (nr = 0; nr < F71882FG_MAX_INS; nr++)
1305 			if (f71882fg_has_in[data->type][nr])
1306 				data->in[nr] = f71882fg_read8(data,
1307 							F71882FG_REG_IN(nr));
1308 
1309 		data->last_updated = jiffies;
1310 		data->valid = 1;
1311 	}
1312 
1313 	mutex_unlock(&data->update_lock);
1314 
1315 	return data;
1316 }
1317 
1318 /* Sysfs Interface */
1319 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1320 	char *buf)
1321 {
1322 	struct f71882fg_data *data = f71882fg_update_device(dev);
1323 	int nr = to_sensor_dev_attr_2(devattr)->index;
1324 	int speed = fan_from_reg(data->fan[nr]);
1325 
1326 	if (speed == FAN_MIN_DETECT)
1327 		speed = 0;
1328 
1329 	return sprintf(buf, "%d\n", speed);
1330 }
1331 
1332 static ssize_t show_fan_full_speed(struct device *dev,
1333 				   struct device_attribute *devattr, char *buf)
1334 {
1335 	struct f71882fg_data *data = f71882fg_update_device(dev);
1336 	int nr = to_sensor_dev_attr_2(devattr)->index;
1337 	int speed = fan_from_reg(data->fan_full_speed[nr]);
1338 	return sprintf(buf, "%d\n", speed);
1339 }
1340 
1341 static ssize_t store_fan_full_speed(struct device *dev,
1342 				    struct device_attribute *devattr,
1343 				    const char *buf, size_t count)
1344 {
1345 	struct f71882fg_data *data = dev_get_drvdata(dev);
1346 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1347 	long val;
1348 
1349 	err = kstrtol(buf, 10, &val);
1350 	if (err)
1351 		return err;
1352 
1353 	val = clamp_val(val, 23, 1500000);
1354 	val = fan_to_reg(val);
1355 
1356 	mutex_lock(&data->update_lock);
1357 	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1358 	data->fan_full_speed[nr] = val;
1359 	mutex_unlock(&data->update_lock);
1360 
1361 	return count;
1362 }
1363 
1364 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1365 	*devattr, char *buf)
1366 {
1367 	struct f71882fg_data *data = f71882fg_update_device(dev);
1368 	int nr = to_sensor_dev_attr_2(devattr)->index;
1369 
1370 	if (data->fan_beep & (1 << nr))
1371 		return sprintf(buf, "1\n");
1372 	else
1373 		return sprintf(buf, "0\n");
1374 }
1375 
1376 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1377 	*devattr, const char *buf, size_t count)
1378 {
1379 	struct f71882fg_data *data = dev_get_drvdata(dev);
1380 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1381 	unsigned long val;
1382 
1383 	err = kstrtoul(buf, 10, &val);
1384 	if (err)
1385 		return err;
1386 
1387 	mutex_lock(&data->update_lock);
1388 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1389 	if (val)
1390 		data->fan_beep |= 1 << nr;
1391 	else
1392 		data->fan_beep &= ~(1 << nr);
1393 
1394 	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1395 	mutex_unlock(&data->update_lock);
1396 
1397 	return count;
1398 }
1399 
1400 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1401 	*devattr, char *buf)
1402 {
1403 	struct f71882fg_data *data = f71882fg_update_device(dev);
1404 	int nr = to_sensor_dev_attr_2(devattr)->index;
1405 
1406 	if (data->fan_status & (1 << nr))
1407 		return sprintf(buf, "1\n");
1408 	else
1409 		return sprintf(buf, "0\n");
1410 }
1411 
1412 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
1413 	char *buf)
1414 {
1415 	struct f71882fg_data *data = f71882fg_update_device(dev);
1416 	int nr = to_sensor_dev_attr_2(devattr)->index;
1417 
1418 	return sprintf(buf, "%d\n", data->in[nr] * 8);
1419 }
1420 
1421 static ssize_t show_in_max(struct device *dev, struct device_attribute
1422 	*devattr, char *buf)
1423 {
1424 	struct f71882fg_data *data = f71882fg_update_device(dev);
1425 
1426 	return sprintf(buf, "%d\n", data->in1_max * 8);
1427 }
1428 
1429 static ssize_t store_in_max(struct device *dev, struct device_attribute
1430 	*devattr, const char *buf, size_t count)
1431 {
1432 	struct f71882fg_data *data = dev_get_drvdata(dev);
1433 	int err;
1434 	long val;
1435 
1436 	err = kstrtol(buf, 10, &val);
1437 	if (err)
1438 		return err;
1439 
1440 	val /= 8;
1441 	val = clamp_val(val, 0, 255);
1442 
1443 	mutex_lock(&data->update_lock);
1444 	f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
1445 	data->in1_max = val;
1446 	mutex_unlock(&data->update_lock);
1447 
1448 	return count;
1449 }
1450 
1451 static ssize_t show_in_beep(struct device *dev, struct device_attribute
1452 	*devattr, char *buf)
1453 {
1454 	struct f71882fg_data *data = f71882fg_update_device(dev);
1455 	int nr = to_sensor_dev_attr_2(devattr)->index;
1456 
1457 	if (data->in_beep & (1 << nr))
1458 		return sprintf(buf, "1\n");
1459 	else
1460 		return sprintf(buf, "0\n");
1461 }
1462 
1463 static ssize_t store_in_beep(struct device *dev, struct device_attribute
1464 	*devattr, const char *buf, size_t count)
1465 {
1466 	struct f71882fg_data *data = dev_get_drvdata(dev);
1467 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1468 	unsigned long val;
1469 
1470 	err = kstrtoul(buf, 10, &val);
1471 	if (err)
1472 		return err;
1473 
1474 	mutex_lock(&data->update_lock);
1475 	data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1476 	if (val)
1477 		data->in_beep |= 1 << nr;
1478 	else
1479 		data->in_beep &= ~(1 << nr);
1480 
1481 	f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1482 	mutex_unlock(&data->update_lock);
1483 
1484 	return count;
1485 }
1486 
1487 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1488 	*devattr, char *buf)
1489 {
1490 	struct f71882fg_data *data = f71882fg_update_device(dev);
1491 	int nr = to_sensor_dev_attr_2(devattr)->index;
1492 
1493 	if (data->in_status & (1 << nr))
1494 		return sprintf(buf, "1\n");
1495 	else
1496 		return sprintf(buf, "0\n");
1497 }
1498 
1499 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
1500 	char *buf)
1501 {
1502 	struct f71882fg_data *data = f71882fg_update_device(dev);
1503 	int nr = to_sensor_dev_attr_2(devattr)->index;
1504 	int sign, temp;
1505 
1506 	if (data->type == f71858fg) {
1507 		/* TEMP_TABLE_SEL 1 or 3 ? */
1508 		if (data->temp_config & 1) {
1509 			sign = data->temp[nr] & 0x0001;
1510 			temp = (data->temp[nr] >> 5) & 0x7ff;
1511 		} else {
1512 			sign = data->temp[nr] & 0x8000;
1513 			temp = (data->temp[nr] >> 5) & 0x3ff;
1514 		}
1515 		temp *= 125;
1516 		if (sign)
1517 			temp -= 128000;
1518 	} else
1519 		temp = data->temp[nr] * 1000;
1520 
1521 	return sprintf(buf, "%d\n", temp);
1522 }
1523 
1524 static ssize_t show_temp_max(struct device *dev, struct device_attribute
1525 	*devattr, char *buf)
1526 {
1527 	struct f71882fg_data *data = f71882fg_update_device(dev);
1528 	int nr = to_sensor_dev_attr_2(devattr)->index;
1529 
1530 	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
1531 }
1532 
1533 static ssize_t store_temp_max(struct device *dev, struct device_attribute
1534 	*devattr, const char *buf, size_t count)
1535 {
1536 	struct f71882fg_data *data = dev_get_drvdata(dev);
1537 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1538 	long val;
1539 
1540 	err = kstrtol(buf, 10, &val);
1541 	if (err)
1542 		return err;
1543 
1544 	val /= 1000;
1545 	val = clamp_val(val, 0, 255);
1546 
1547 	mutex_lock(&data->update_lock);
1548 	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1549 	data->temp_high[nr] = val;
1550 	mutex_unlock(&data->update_lock);
1551 
1552 	return count;
1553 }
1554 
1555 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1556 	*devattr, char *buf)
1557 {
1558 	struct f71882fg_data *data = f71882fg_update_device(dev);
1559 	int nr = to_sensor_dev_attr_2(devattr)->index;
1560 	int temp_max_hyst;
1561 
1562 	mutex_lock(&data->update_lock);
1563 	if (nr & 1)
1564 		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
1565 	else
1566 		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
1567 	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1568 	mutex_unlock(&data->update_lock);
1569 
1570 	return sprintf(buf, "%d\n", temp_max_hyst);
1571 }
1572 
1573 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1574 	*devattr, const char *buf, size_t count)
1575 {
1576 	struct f71882fg_data *data = dev_get_drvdata(dev);
1577 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1578 	ssize_t ret = count;
1579 	u8 reg;
1580 	long val;
1581 
1582 	err = kstrtol(buf, 10, &val);
1583 	if (err)
1584 		return err;
1585 
1586 	val /= 1000;
1587 
1588 	mutex_lock(&data->update_lock);
1589 
1590 	/* convert abs to relative and check */
1591 	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1592 	val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
1593 	val = data->temp_high[nr] - val;
1594 
1595 	/* convert value to register contents */
1596 	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
1597 	if (nr & 1)
1598 		reg = (reg & 0x0f) | (val << 4);
1599 	else
1600 		reg = (reg & 0xf0) | val;
1601 	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
1602 	data->temp_hyst[nr / 2] = reg;
1603 
1604 	mutex_unlock(&data->update_lock);
1605 	return ret;
1606 }
1607 
1608 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1609 	*devattr, char *buf)
1610 {
1611 	struct f71882fg_data *data = f71882fg_update_device(dev);
1612 	int nr = to_sensor_dev_attr_2(devattr)->index;
1613 
1614 	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1615 }
1616 
1617 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1618 	*devattr, const char *buf, size_t count)
1619 {
1620 	struct f71882fg_data *data = dev_get_drvdata(dev);
1621 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1622 	long val;
1623 
1624 	err = kstrtol(buf, 10, &val);
1625 	if (err)
1626 		return err;
1627 
1628 	val /= 1000;
1629 	val = clamp_val(val, 0, 255);
1630 
1631 	mutex_lock(&data->update_lock);
1632 	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1633 	data->temp_ovt[nr] = val;
1634 	mutex_unlock(&data->update_lock);
1635 
1636 	return count;
1637 }
1638 
1639 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1640 	*devattr, char *buf)
1641 {
1642 	struct f71882fg_data *data = f71882fg_update_device(dev);
1643 	int nr = to_sensor_dev_attr_2(devattr)->index;
1644 	int temp_crit_hyst;
1645 
1646 	mutex_lock(&data->update_lock);
1647 	if (nr & 1)
1648 		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
1649 	else
1650 		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
1651 	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1652 	mutex_unlock(&data->update_lock);
1653 
1654 	return sprintf(buf, "%d\n", temp_crit_hyst);
1655 }
1656 
1657 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1658 	*devattr, char *buf)
1659 {
1660 	struct f71882fg_data *data = f71882fg_update_device(dev);
1661 	int nr = to_sensor_dev_attr_2(devattr)->index;
1662 
1663 	return sprintf(buf, "%d\n", data->temp_type[nr]);
1664 }
1665 
1666 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1667 	*devattr, char *buf)
1668 {
1669 	struct f71882fg_data *data = f71882fg_update_device(dev);
1670 	int nr = to_sensor_dev_attr_2(devattr)->index;
1671 
1672 	if (data->temp_beep & (1 << nr))
1673 		return sprintf(buf, "1\n");
1674 	else
1675 		return sprintf(buf, "0\n");
1676 }
1677 
1678 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1679 	*devattr, const char *buf, size_t count)
1680 {
1681 	struct f71882fg_data *data = dev_get_drvdata(dev);
1682 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1683 	unsigned long val;
1684 
1685 	err = kstrtoul(buf, 10, &val);
1686 	if (err)
1687 		return err;
1688 
1689 	mutex_lock(&data->update_lock);
1690 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1691 	if (val)
1692 		data->temp_beep |= 1 << nr;
1693 	else
1694 		data->temp_beep &= ~(1 << nr);
1695 
1696 	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1697 	mutex_unlock(&data->update_lock);
1698 
1699 	return count;
1700 }
1701 
1702 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1703 	*devattr, char *buf)
1704 {
1705 	struct f71882fg_data *data = f71882fg_update_device(dev);
1706 	int nr = to_sensor_dev_attr_2(devattr)->index;
1707 
1708 	if (data->temp_status & (1 << nr))
1709 		return sprintf(buf, "1\n");
1710 	else
1711 		return sprintf(buf, "0\n");
1712 }
1713 
1714 static ssize_t show_temp_fault(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 
1720 	if (data->temp_diode_open & (1 << nr))
1721 		return sprintf(buf, "1\n");
1722 	else
1723 		return sprintf(buf, "0\n");
1724 }
1725 
1726 static ssize_t show_pwm(struct device *dev,
1727 			struct device_attribute *devattr, char *buf)
1728 {
1729 	struct f71882fg_data *data = f71882fg_update_device(dev);
1730 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1731 	mutex_lock(&data->update_lock);
1732 	if (data->pwm_enable & (1 << (2 * nr)))
1733 		/* PWM mode */
1734 		val = data->pwm[nr];
1735 	else {
1736 		/* RPM mode */
1737 		val = 255 * fan_from_reg(data->fan_target[nr])
1738 			/ fan_from_reg(data->fan_full_speed[nr]);
1739 	}
1740 	mutex_unlock(&data->update_lock);
1741 	return sprintf(buf, "%d\n", val);
1742 }
1743 
1744 static ssize_t store_pwm(struct device *dev,
1745 			 struct device_attribute *devattr, const char *buf,
1746 			 size_t count)
1747 {
1748 	struct f71882fg_data *data = dev_get_drvdata(dev);
1749 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1750 	long val;
1751 
1752 	err = kstrtol(buf, 10, &val);
1753 	if (err)
1754 		return err;
1755 
1756 	val = clamp_val(val, 0, 255);
1757 
1758 	mutex_lock(&data->update_lock);
1759 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1760 	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1761 	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1762 		count = -EROFS;
1763 		goto leave;
1764 	}
1765 	if (data->pwm_enable & (1 << (2 * nr))) {
1766 		/* PWM mode */
1767 		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1768 		data->pwm[nr] = val;
1769 	} else {
1770 		/* RPM mode */
1771 		int target, full_speed;
1772 		full_speed = f71882fg_read16(data,
1773 					     F71882FG_REG_FAN_FULL_SPEED(nr));
1774 		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1775 		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1776 		data->fan_target[nr] = target;
1777 		data->fan_full_speed[nr] = full_speed;
1778 	}
1779 leave:
1780 	mutex_unlock(&data->update_lock);
1781 
1782 	return count;
1783 }
1784 
1785 static ssize_t show_simple_pwm(struct device *dev,
1786 			       struct device_attribute *devattr, char *buf)
1787 {
1788 	struct f71882fg_data *data = f71882fg_update_device(dev);
1789 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1790 
1791 	val = data->pwm[nr];
1792 	return sprintf(buf, "%d\n", val);
1793 }
1794 
1795 static ssize_t store_simple_pwm(struct device *dev,
1796 				struct device_attribute *devattr,
1797 				const char *buf, size_t count)
1798 {
1799 	struct f71882fg_data *data = dev_get_drvdata(dev);
1800 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1801 	long val;
1802 
1803 	err = kstrtol(buf, 10, &val);
1804 	if (err)
1805 		return err;
1806 
1807 	val = clamp_val(val, 0, 255);
1808 
1809 	mutex_lock(&data->update_lock);
1810 	f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1811 	data->pwm[nr] = val;
1812 	mutex_unlock(&data->update_lock);
1813 
1814 	return count;
1815 }
1816 
1817 static ssize_t show_pwm_enable(struct device *dev,
1818 			       struct device_attribute *devattr, char *buf)
1819 {
1820 	int result = 0;
1821 	struct f71882fg_data *data = f71882fg_update_device(dev);
1822 	int nr = to_sensor_dev_attr_2(devattr)->index;
1823 
1824 	switch ((data->pwm_enable >> 2 * nr) & 3) {
1825 	case 0:
1826 	case 1:
1827 		result = 2; /* Normal auto mode */
1828 		break;
1829 	case 2:
1830 		result = 1; /* Manual mode */
1831 		break;
1832 	case 3:
1833 		if (data->type == f8000)
1834 			result = 3; /* Thermostat mode */
1835 		else
1836 			result = 1; /* Manual mode */
1837 		break;
1838 	}
1839 
1840 	return sprintf(buf, "%d\n", result);
1841 }
1842 
1843 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1844 				*devattr, const char *buf, size_t count)
1845 {
1846 	struct f71882fg_data *data = dev_get_drvdata(dev);
1847 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1848 	long val;
1849 
1850 	err = kstrtol(buf, 10, &val);
1851 	if (err)
1852 		return err;
1853 
1854 	/* Special case for F8000 pwm channel 3 which only does auto mode */
1855 	if (data->type == f8000 && nr == 2 && val != 2)
1856 		return -EINVAL;
1857 
1858 	mutex_lock(&data->update_lock);
1859 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1860 	/* Special case for F8000 auto PWM mode / Thermostat mode */
1861 	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1862 		switch (val) {
1863 		case 2:
1864 			data->pwm_enable &= ~(2 << (2 * nr));
1865 			break;		/* Normal auto mode */
1866 		case 3:
1867 			data->pwm_enable |= 2 << (2 * nr);
1868 			break;		/* Thermostat mode */
1869 		default:
1870 			count = -EINVAL;
1871 			goto leave;
1872 		}
1873 	} else {
1874 		switch (val) {
1875 		case 1:
1876 			/* The f71858fg does not support manual RPM mode */
1877 			if (data->type == f71858fg &&
1878 			    ((data->pwm_enable >> (2 * nr)) & 1)) {
1879 				count = -EINVAL;
1880 				goto leave;
1881 			}
1882 			data->pwm_enable |= 2 << (2 * nr);
1883 			break;		/* Manual */
1884 		case 2:
1885 			data->pwm_enable &= ~(2 << (2 * nr));
1886 			break;		/* Normal auto mode */
1887 		default:
1888 			count = -EINVAL;
1889 			goto leave;
1890 		}
1891 	}
1892 	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1893 leave:
1894 	mutex_unlock(&data->update_lock);
1895 
1896 	return count;
1897 }
1898 
1899 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1900 				       struct device_attribute *devattr,
1901 				       char *buf)
1902 {
1903 	int result;
1904 	struct f71882fg_data *data = f71882fg_update_device(dev);
1905 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1906 	int point = to_sensor_dev_attr_2(devattr)->nr;
1907 
1908 	mutex_lock(&data->update_lock);
1909 	if (data->pwm_enable & (1 << (2 * pwm))) {
1910 		/* PWM mode */
1911 		result = data->pwm_auto_point_pwm[pwm][point];
1912 	} else {
1913 		/* RPM mode */
1914 		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1915 	}
1916 	mutex_unlock(&data->update_lock);
1917 
1918 	return sprintf(buf, "%d\n", result);
1919 }
1920 
1921 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1922 					struct device_attribute *devattr,
1923 					const char *buf, size_t count)
1924 {
1925 	struct f71882fg_data *data = dev_get_drvdata(dev);
1926 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1927 	int point = to_sensor_dev_attr_2(devattr)->nr;
1928 	long val;
1929 
1930 	err = kstrtol(buf, 10, &val);
1931 	if (err)
1932 		return err;
1933 
1934 	val = clamp_val(val, 0, 255);
1935 
1936 	mutex_lock(&data->update_lock);
1937 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1938 	if (data->pwm_enable & (1 << (2 * pwm))) {
1939 		/* PWM mode */
1940 	} else {
1941 		/* RPM mode */
1942 		if (val < 29)	/* Prevent negative numbers */
1943 			val = 255;
1944 		else
1945 			val = (255 - val) * 32 / val;
1946 	}
1947 	f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
1948 	data->pwm_auto_point_pwm[pwm][point] = val;
1949 	mutex_unlock(&data->update_lock);
1950 
1951 	return count;
1952 }
1953 
1954 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
1955 					     struct device_attribute *devattr,
1956 					     char *buf)
1957 {
1958 	int result = 0;
1959 	struct f71882fg_data *data = f71882fg_update_device(dev);
1960 	int nr = to_sensor_dev_attr_2(devattr)->index;
1961 	int point = to_sensor_dev_attr_2(devattr)->nr;
1962 
1963 	mutex_lock(&data->update_lock);
1964 	if (nr & 1)
1965 		result = data->pwm_auto_point_hyst[nr / 2] >> 4;
1966 	else
1967 		result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
1968 	result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
1969 	mutex_unlock(&data->update_lock);
1970 
1971 	return sprintf(buf, "%d\n", result);
1972 }
1973 
1974 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
1975 					      struct device_attribute *devattr,
1976 					      const char *buf, size_t count)
1977 {
1978 	struct f71882fg_data *data = dev_get_drvdata(dev);
1979 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1980 	int point = to_sensor_dev_attr_2(devattr)->nr;
1981 	u8 reg;
1982 	long val;
1983 
1984 	err = kstrtol(buf, 10, &val);
1985 	if (err)
1986 		return err;
1987 
1988 	val /= 1000;
1989 
1990 	mutex_lock(&data->update_lock);
1991 	data->pwm_auto_point_temp[nr][point] =
1992 		f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
1993 	val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
1994 			data->pwm_auto_point_temp[nr][point]);
1995 	val = data->pwm_auto_point_temp[nr][point] - val;
1996 
1997 	reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
1998 	if (nr & 1)
1999 		reg = (reg & 0x0f) | (val << 4);
2000 	else
2001 		reg = (reg & 0xf0) | val;
2002 
2003 	f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
2004 	data->pwm_auto_point_hyst[nr / 2] = reg;
2005 	mutex_unlock(&data->update_lock);
2006 
2007 	return count;
2008 }
2009 
2010 static ssize_t show_pwm_interpolate(struct device *dev,
2011 				    struct device_attribute *devattr, char *buf)
2012 {
2013 	int result;
2014 	struct f71882fg_data *data = f71882fg_update_device(dev);
2015 	int nr = to_sensor_dev_attr_2(devattr)->index;
2016 
2017 	result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
2018 
2019 	return sprintf(buf, "%d\n", result);
2020 }
2021 
2022 static ssize_t store_pwm_interpolate(struct device *dev,
2023 				     struct device_attribute *devattr,
2024 				     const char *buf, size_t count)
2025 {
2026 	struct f71882fg_data *data = dev_get_drvdata(dev);
2027 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2028 	unsigned long val;
2029 
2030 	err = kstrtoul(buf, 10, &val);
2031 	if (err)
2032 		return err;
2033 
2034 	mutex_lock(&data->update_lock);
2035 	data->pwm_auto_point_mapping[nr] =
2036 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2037 	if (val)
2038 		val = data->pwm_auto_point_mapping[nr] | (1 << 4);
2039 	else
2040 		val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
2041 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2042 	data->pwm_auto_point_mapping[nr] = val;
2043 	mutex_unlock(&data->update_lock);
2044 
2045 	return count;
2046 }
2047 
2048 static ssize_t show_pwm_auto_point_channel(struct device *dev,
2049 					   struct device_attribute *devattr,
2050 					   char *buf)
2051 {
2052 	int result;
2053 	struct f71882fg_data *data = f71882fg_update_device(dev);
2054 	int nr = to_sensor_dev_attr_2(devattr)->index;
2055 
2056 	result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
2057 		       data->temp_start);
2058 
2059 	return sprintf(buf, "%d\n", result);
2060 }
2061 
2062 static ssize_t store_pwm_auto_point_channel(struct device *dev,
2063 					    struct device_attribute *devattr,
2064 					    const char *buf, size_t count)
2065 {
2066 	struct f71882fg_data *data = dev_get_drvdata(dev);
2067 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2068 	long val;
2069 
2070 	err = kstrtol(buf, 10, &val);
2071 	if (err)
2072 		return err;
2073 
2074 	switch (val) {
2075 	case 1:
2076 		val = 0;
2077 		break;
2078 	case 2:
2079 		val = 1;
2080 		break;
2081 	case 4:
2082 		val = 2;
2083 		break;
2084 	default:
2085 		return -EINVAL;
2086 	}
2087 	val += data->temp_start;
2088 	mutex_lock(&data->update_lock);
2089 	data->pwm_auto_point_mapping[nr] =
2090 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2091 	val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
2092 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2093 	data->pwm_auto_point_mapping[nr] = val;
2094 	mutex_unlock(&data->update_lock);
2095 
2096 	return count;
2097 }
2098 
2099 static ssize_t show_pwm_auto_point_temp(struct device *dev,
2100 					struct device_attribute *devattr,
2101 					char *buf)
2102 {
2103 	int result;
2104 	struct f71882fg_data *data = f71882fg_update_device(dev);
2105 	int pwm = to_sensor_dev_attr_2(devattr)->index;
2106 	int point = to_sensor_dev_attr_2(devattr)->nr;
2107 
2108 	result = data->pwm_auto_point_temp[pwm][point];
2109 	return sprintf(buf, "%d\n", 1000 * result);
2110 }
2111 
2112 static ssize_t store_pwm_auto_point_temp(struct device *dev,
2113 					 struct device_attribute *devattr,
2114 					 const char *buf, size_t count)
2115 {
2116 	struct f71882fg_data *data = dev_get_drvdata(dev);
2117 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2118 	int point = to_sensor_dev_attr_2(devattr)->nr;
2119 	long val;
2120 
2121 	err = kstrtol(buf, 10, &val);
2122 	if (err)
2123 		return err;
2124 
2125 	val /= 1000;
2126 
2127 	if (data->auto_point_temp_signed)
2128 		val = clamp_val(val, -128, 127);
2129 	else
2130 		val = clamp_val(val, 0, 127);
2131 
2132 	mutex_lock(&data->update_lock);
2133 	f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
2134 	data->pwm_auto_point_temp[pwm][point] = val;
2135 	mutex_unlock(&data->update_lock);
2136 
2137 	return count;
2138 }
2139 
2140 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
2141 	char *buf)
2142 {
2143 	struct f71882fg_data *data = dev_get_drvdata(dev);
2144 	return sprintf(buf, "%s\n", f71882fg_names[data->type]);
2145 }
2146 
2147 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2148 	struct sensor_device_attribute_2 *attr, int count)
2149 {
2150 	int err, i;
2151 
2152 	for (i = 0; i < count; i++) {
2153 		err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2154 		if (err)
2155 			return err;
2156 	}
2157 	return 0;
2158 }
2159 
2160 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2161 	struct sensor_device_attribute_2 *attr, int count)
2162 {
2163 	int i;
2164 
2165 	for (i = 0; i < count; i++)
2166 		device_remove_file(&pdev->dev, &attr[i].dev_attr);
2167 }
2168 
2169 static int f71882fg_create_fan_sysfs_files(
2170 	struct platform_device *pdev, int idx)
2171 {
2172 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2173 	int err;
2174 
2175 	/* Sanity check the pwm setting */
2176 	err = 0;
2177 	switch (data->type) {
2178 	case f71858fg:
2179 		if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2180 			err = 1;
2181 		break;
2182 	case f71862fg:
2183 		if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2184 			err = 1;
2185 		break;
2186 	case f8000:
2187 		if (idx == 2)
2188 			err = data->pwm_enable & 0x20;
2189 		break;
2190 	default:
2191 		break;
2192 	}
2193 	if (err) {
2194 		dev_err(&pdev->dev,
2195 			"Invalid (reserved) pwm settings: 0x%02x, "
2196 			"skipping fan %d\n",
2197 			(data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2198 		return 0; /* This is a non fatal condition */
2199 	}
2200 
2201 	err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2202 					  ARRAY_SIZE(fxxxx_fan_attr[0]));
2203 	if (err)
2204 		return err;
2205 
2206 	if (f71882fg_fan_has_beep[data->type]) {
2207 		err = f71882fg_create_sysfs_files(pdev,
2208 						  &fxxxx_fan_beep_attr[idx],
2209 						  1);
2210 		if (err)
2211 			return err;
2212 	}
2213 
2214 	dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2215 		 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2216 
2217 	/* Check for unsupported auto pwm settings */
2218 	switch (data->type) {
2219 	case f71808e:
2220 	case f71808a:
2221 	case f71869:
2222 	case f71869a:
2223 	case f71889fg:
2224 	case f71889ed:
2225 	case f71889a:
2226 		data->pwm_auto_point_mapping[idx] =
2227 			f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2228 		if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2229 		    (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2230 			dev_warn(&pdev->dev,
2231 				 "Auto pwm controlled by raw digital "
2232 				 "data, disabling pwm auto_point "
2233 				 "sysfs attributes for fan %d\n", idx + 1);
2234 			return 0; /* This is a non fatal condition */
2235 		}
2236 		break;
2237 	default:
2238 		break;
2239 	}
2240 
2241 	switch (data->type) {
2242 	case f71862fg:
2243 		err = f71882fg_create_sysfs_files(pdev,
2244 					&f71862fg_auto_pwm_attr[idx][0],
2245 					ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2246 		break;
2247 	case f71808e:
2248 	case f71869:
2249 		err = f71882fg_create_sysfs_files(pdev,
2250 					&f71869_auto_pwm_attr[idx][0],
2251 					ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2252 		break;
2253 	case f8000:
2254 		err = f71882fg_create_sysfs_files(pdev,
2255 					&f8000_auto_pwm_attr[idx][0],
2256 					ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2257 		break;
2258 	default:
2259 		err = f71882fg_create_sysfs_files(pdev,
2260 					&fxxxx_auto_pwm_attr[idx][0],
2261 					ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2262 	}
2263 
2264 	return err;
2265 }
2266 
2267 static int f71882fg_probe(struct platform_device *pdev)
2268 {
2269 	struct f71882fg_data *data;
2270 	struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2271 	int nr_fans = f71882fg_nr_fans[sio_data->type];
2272 	int nr_temps = f71882fg_nr_temps[sio_data->type];
2273 	int err, i;
2274 	u8 start_reg, reg;
2275 
2276 	data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2277 			    GFP_KERNEL);
2278 	if (!data)
2279 		return -ENOMEM;
2280 
2281 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2282 	data->type = sio_data->type;
2283 	data->temp_start =
2284 	    (data->type == f71858fg || data->type == f8000) ? 0 : 1;
2285 	mutex_init(&data->update_lock);
2286 	platform_set_drvdata(pdev, data);
2287 
2288 	start_reg = f71882fg_read8(data, F71882FG_REG_START);
2289 	if (start_reg & 0x04) {
2290 		dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2291 		return -ENODEV;
2292 	}
2293 	if (!(start_reg & 0x03)) {
2294 		dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2295 		return -ENODEV;
2296 	}
2297 
2298 	/* Register sysfs interface files */
2299 	err = device_create_file(&pdev->dev, &dev_attr_name);
2300 	if (err)
2301 		goto exit_unregister_sysfs;
2302 
2303 	if (start_reg & 0x01) {
2304 		switch (data->type) {
2305 		case f71858fg:
2306 			data->temp_config =
2307 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2308 			if (data->temp_config & 0x10)
2309 				/*
2310 				 * The f71858fg temperature alarms behave as
2311 				 * the f8000 alarms in this mode
2312 				 */
2313 				err = f71882fg_create_sysfs_files(pdev,
2314 					f8000_temp_attr,
2315 					ARRAY_SIZE(f8000_temp_attr));
2316 			else
2317 				err = f71882fg_create_sysfs_files(pdev,
2318 					f71858fg_temp_attr,
2319 					ARRAY_SIZE(f71858fg_temp_attr));
2320 			break;
2321 		case f8000:
2322 			err = f71882fg_create_sysfs_files(pdev,
2323 					f8000_temp_attr,
2324 					ARRAY_SIZE(f8000_temp_attr));
2325 			break;
2326 		default:
2327 			err = f71882fg_create_sysfs_files(pdev,
2328 				&fxxxx_temp_attr[0][0],
2329 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2330 		}
2331 		if (err)
2332 			goto exit_unregister_sysfs;
2333 
2334 		if (f71882fg_temp_has_beep[data->type]) {
2335 			err = f71882fg_create_sysfs_files(pdev,
2336 					&fxxxx_temp_beep_attr[0][0],
2337 					ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2338 						* nr_temps);
2339 			if (err)
2340 				goto exit_unregister_sysfs;
2341 		}
2342 
2343 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2344 			if (f71882fg_has_in[data->type][i]) {
2345 				err = device_create_file(&pdev->dev,
2346 						&fxxxx_in_attr[i].dev_attr);
2347 				if (err)
2348 					goto exit_unregister_sysfs;
2349 			}
2350 		}
2351 		if (f71882fg_has_in1_alarm[data->type]) {
2352 			err = f71882fg_create_sysfs_files(pdev,
2353 					fxxxx_in1_alarm_attr,
2354 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2355 			if (err)
2356 				goto exit_unregister_sysfs;
2357 		}
2358 	}
2359 
2360 	if (start_reg & 0x02) {
2361 		switch (data->type) {
2362 		case f71808e:
2363 		case f71808a:
2364 		case f71869:
2365 		case f71869a:
2366 			/* These always have signed auto point temps */
2367 			data->auto_point_temp_signed = 1;
2368 			/* Fall through to select correct fan/pwm reg bank! */
2369 		case f71889fg:
2370 		case f71889ed:
2371 		case f71889a:
2372 			reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2373 			if (reg & F71882FG_FAN_NEG_TEMP_EN)
2374 				data->auto_point_temp_signed = 1;
2375 			/* Ensure banked pwm registers point to right bank */
2376 			reg &= ~F71882FG_FAN_PROG_SEL;
2377 			f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2378 			break;
2379 		default:
2380 			break;
2381 		}
2382 
2383 		data->pwm_enable =
2384 			f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2385 
2386 		for (i = 0; i < nr_fans; i++) {
2387 			err = f71882fg_create_fan_sysfs_files(pdev, i);
2388 			if (err)
2389 				goto exit_unregister_sysfs;
2390 		}
2391 
2392 		/* Some types have 1 extra fan with limited functionality */
2393 		switch (data->type) {
2394 		case f71808a:
2395 			err = f71882fg_create_sysfs_files(pdev,
2396 					f71808a_fan3_attr,
2397 					ARRAY_SIZE(f71808a_fan3_attr));
2398 			break;
2399 		case f8000:
2400 			err = f71882fg_create_sysfs_files(pdev,
2401 					f8000_fan_attr,
2402 					ARRAY_SIZE(f8000_fan_attr));
2403 			break;
2404 		default:
2405 			break;
2406 		}
2407 		if (err)
2408 			goto exit_unregister_sysfs;
2409 	}
2410 
2411 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
2412 	if (IS_ERR(data->hwmon_dev)) {
2413 		err = PTR_ERR(data->hwmon_dev);
2414 		data->hwmon_dev = NULL;
2415 		goto exit_unregister_sysfs;
2416 	}
2417 
2418 	return 0;
2419 
2420 exit_unregister_sysfs:
2421 	f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2422 	return err; /* f71882fg_remove() also frees our data */
2423 }
2424 
2425 static int f71882fg_remove(struct platform_device *pdev)
2426 {
2427 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2428 	int nr_fans = f71882fg_nr_fans[data->type];
2429 	int nr_temps = f71882fg_nr_temps[data->type];
2430 	int i;
2431 	u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2432 
2433 	if (data->hwmon_dev)
2434 		hwmon_device_unregister(data->hwmon_dev);
2435 
2436 	device_remove_file(&pdev->dev, &dev_attr_name);
2437 
2438 	if (start_reg & 0x01) {
2439 		switch (data->type) {
2440 		case f71858fg:
2441 			if (data->temp_config & 0x10)
2442 				f71882fg_remove_sysfs_files(pdev,
2443 					f8000_temp_attr,
2444 					ARRAY_SIZE(f8000_temp_attr));
2445 			else
2446 				f71882fg_remove_sysfs_files(pdev,
2447 					f71858fg_temp_attr,
2448 					ARRAY_SIZE(f71858fg_temp_attr));
2449 			break;
2450 		case f8000:
2451 			f71882fg_remove_sysfs_files(pdev,
2452 					f8000_temp_attr,
2453 					ARRAY_SIZE(f8000_temp_attr));
2454 			break;
2455 		default:
2456 			f71882fg_remove_sysfs_files(pdev,
2457 				&fxxxx_temp_attr[0][0],
2458 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2459 		}
2460 		if (f71882fg_temp_has_beep[data->type]) {
2461 			f71882fg_remove_sysfs_files(pdev,
2462 			       &fxxxx_temp_beep_attr[0][0],
2463 			       ARRAY_SIZE(fxxxx_temp_beep_attr[0]) * nr_temps);
2464 		}
2465 
2466 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2467 			if (f71882fg_has_in[data->type][i]) {
2468 				device_remove_file(&pdev->dev,
2469 						&fxxxx_in_attr[i].dev_attr);
2470 			}
2471 		}
2472 		if (f71882fg_has_in1_alarm[data->type]) {
2473 			f71882fg_remove_sysfs_files(pdev,
2474 					fxxxx_in1_alarm_attr,
2475 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2476 		}
2477 	}
2478 
2479 	if (start_reg & 0x02) {
2480 		f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2481 				ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2482 
2483 		if (f71882fg_fan_has_beep[data->type]) {
2484 			f71882fg_remove_sysfs_files(pdev,
2485 					fxxxx_fan_beep_attr, nr_fans);
2486 		}
2487 
2488 		switch (data->type) {
2489 		case f71808a:
2490 			f71882fg_remove_sysfs_files(pdev,
2491 				&fxxxx_auto_pwm_attr[0][0],
2492 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2493 			f71882fg_remove_sysfs_files(pdev,
2494 					f71808a_fan3_attr,
2495 					ARRAY_SIZE(f71808a_fan3_attr));
2496 			break;
2497 		case f71862fg:
2498 			f71882fg_remove_sysfs_files(pdev,
2499 				&f71862fg_auto_pwm_attr[0][0],
2500 				ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2501 					nr_fans);
2502 			break;
2503 		case f71808e:
2504 		case f71869:
2505 			f71882fg_remove_sysfs_files(pdev,
2506 				&f71869_auto_pwm_attr[0][0],
2507 				ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2508 			break;
2509 		case f8000:
2510 			f71882fg_remove_sysfs_files(pdev,
2511 					f8000_fan_attr,
2512 					ARRAY_SIZE(f8000_fan_attr));
2513 			f71882fg_remove_sysfs_files(pdev,
2514 				&f8000_auto_pwm_attr[0][0],
2515 				ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2516 			break;
2517 		default:
2518 			f71882fg_remove_sysfs_files(pdev,
2519 				&fxxxx_auto_pwm_attr[0][0],
2520 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2521 		}
2522 	}
2523 	return 0;
2524 }
2525 
2526 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2527 {
2528 	u16 devid;
2529 	unsigned short address;
2530 	int err = superio_enter(sioaddr);
2531 	if (err)
2532 		return err;
2533 
2534 	devid = superio_inw(sioaddr, SIO_REG_MANID);
2535 	if (devid != SIO_FINTEK_ID) {
2536 		pr_debug("Not a Fintek device\n");
2537 		err = -ENODEV;
2538 		goto exit;
2539 	}
2540 
2541 	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2542 	switch (devid) {
2543 	case SIO_F71808E_ID:
2544 		sio_data->type = f71808e;
2545 		break;
2546 	case SIO_F71808A_ID:
2547 		sio_data->type = f71808a;
2548 		break;
2549 	case SIO_F71858_ID:
2550 		sio_data->type = f71858fg;
2551 		break;
2552 	case SIO_F71862_ID:
2553 		sio_data->type = f71862fg;
2554 		break;
2555 	case SIO_F71869_ID:
2556 		sio_data->type = f71869;
2557 		break;
2558 	case SIO_F71869A_ID:
2559 		sio_data->type = f71869a;
2560 		break;
2561 	case SIO_F71882_ID:
2562 		sio_data->type = f71882fg;
2563 		break;
2564 	case SIO_F71889_ID:
2565 		sio_data->type = f71889fg;
2566 		break;
2567 	case SIO_F71889E_ID:
2568 		sio_data->type = f71889ed;
2569 		break;
2570 	case SIO_F71889A_ID:
2571 		sio_data->type = f71889a;
2572 		break;
2573 	case SIO_F8000_ID:
2574 		sio_data->type = f8000;
2575 		break;
2576 	case SIO_F81865_ID:
2577 		sio_data->type = f81865f;
2578 		break;
2579 	default:
2580 		pr_info("Unsupported Fintek device: %04x\n",
2581 			(unsigned int)devid);
2582 		err = -ENODEV;
2583 		goto exit;
2584 	}
2585 
2586 	if (sio_data->type == f71858fg)
2587 		superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2588 	else
2589 		superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2590 
2591 	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2592 		pr_warn("Device not activated\n");
2593 		err = -ENODEV;
2594 		goto exit;
2595 	}
2596 
2597 	address = superio_inw(sioaddr, SIO_REG_ADDR);
2598 	if (address == 0) {
2599 		pr_warn("Base address not set\n");
2600 		err = -ENODEV;
2601 		goto exit;
2602 	}
2603 	address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
2604 
2605 	err = address;
2606 	pr_info("Found %s chip at %#x, revision %d\n",
2607 		f71882fg_names[sio_data->type],	(unsigned int)address,
2608 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
2609 exit:
2610 	superio_exit(sioaddr);
2611 	return err;
2612 }
2613 
2614 static int __init f71882fg_device_add(int address,
2615 				      const struct f71882fg_sio_data *sio_data)
2616 {
2617 	struct resource res = {
2618 		.start	= address,
2619 		.end	= address + REGION_LENGTH - 1,
2620 		.flags	= IORESOURCE_IO,
2621 	};
2622 	int err;
2623 
2624 	f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2625 	if (!f71882fg_pdev)
2626 		return -ENOMEM;
2627 
2628 	res.name = f71882fg_pdev->name;
2629 	err = acpi_check_resource_conflict(&res);
2630 	if (err)
2631 		goto exit_device_put;
2632 
2633 	err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2634 	if (err) {
2635 		pr_err("Device resource addition failed\n");
2636 		goto exit_device_put;
2637 	}
2638 
2639 	err = platform_device_add_data(f71882fg_pdev, sio_data,
2640 				       sizeof(struct f71882fg_sio_data));
2641 	if (err) {
2642 		pr_err("Platform data allocation failed\n");
2643 		goto exit_device_put;
2644 	}
2645 
2646 	err = platform_device_add(f71882fg_pdev);
2647 	if (err) {
2648 		pr_err("Device addition failed\n");
2649 		goto exit_device_put;
2650 	}
2651 
2652 	return 0;
2653 
2654 exit_device_put:
2655 	platform_device_put(f71882fg_pdev);
2656 
2657 	return err;
2658 }
2659 
2660 static int __init f71882fg_init(void)
2661 {
2662 	int err;
2663 	int address;
2664 	struct f71882fg_sio_data sio_data;
2665 
2666 	memset(&sio_data, 0, sizeof(sio_data));
2667 
2668 	address = f71882fg_find(0x2e, &sio_data);
2669 	if (address < 0)
2670 		address = f71882fg_find(0x4e, &sio_data);
2671 	if (address < 0)
2672 		return address;
2673 
2674 	err = platform_driver_register(&f71882fg_driver);
2675 	if (err)
2676 		return err;
2677 
2678 	err = f71882fg_device_add(address, &sio_data);
2679 	if (err)
2680 		goto exit_driver;
2681 
2682 	return 0;
2683 
2684 exit_driver:
2685 	platform_driver_unregister(&f71882fg_driver);
2686 	return err;
2687 }
2688 
2689 static void __exit f71882fg_exit(void)
2690 {
2691 	platform_device_unregister(f71882fg_pdev);
2692 	platform_driver_unregister(&f71882fg_driver);
2693 }
2694 
2695 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2696 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2697 MODULE_LICENSE("GPL");
2698 
2699 module_init(f71882fg_init);
2700 module_exit(f71882fg_exit);
2701