xref: /openbmc/linux/drivers/hwmon/f71882fg.c (revision 3213486f)
1 /***************************************************************************
2  *   Copyright (C) 2006 by Hans Edgington <hans@edgington.nl>              *
3  *   Copyright (C) 2007-2011 Hans de Goede <hdegoede@redhat.com>           *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
19  ***************************************************************************/
20 
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 
23 #include <linux/module.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/jiffies.h>
27 #include <linux/platform_device.h>
28 #include <linux/hwmon.h>
29 #include <linux/hwmon-sysfs.h>
30 #include <linux/err.h>
31 #include <linux/mutex.h>
32 #include <linux/io.h>
33 #include <linux/acpi.h>
34 
35 #define DRVNAME "f71882fg"
36 
37 #define SIO_F71858FG_LD_HWM	0x02	/* Hardware monitor logical device */
38 #define SIO_F71882FG_LD_HWM	0x04	/* Hardware monitor logical device */
39 #define SIO_UNLOCK_KEY		0x87	/* Key to enable Super-I/O */
40 #define SIO_LOCK_KEY		0xAA	/* Key to disable Super-I/O */
41 
42 #define SIO_REG_LDSEL		0x07	/* Logical device select */
43 #define SIO_REG_DEVID		0x20	/* Device ID (2 bytes) */
44 #define SIO_REG_DEVREV		0x22	/* Device revision */
45 #define SIO_REG_MANID		0x23	/* Fintek ID (2 bytes) */
46 #define SIO_REG_ENABLE		0x30	/* Logical device enable */
47 #define SIO_REG_ADDR		0x60	/* Logical device address (2 bytes) */
48 
49 #define SIO_FINTEK_ID		0x1934	/* Manufacturers ID */
50 #define SIO_F71808E_ID		0x0901	/* Chipset ID */
51 #define SIO_F71808A_ID		0x1001	/* Chipset ID */
52 #define SIO_F71858_ID		0x0507  /* Chipset ID */
53 #define SIO_F71862_ID		0x0601	/* Chipset ID */
54 #define SIO_F71868_ID		0x1106	/* Chipset ID */
55 #define SIO_F71869_ID		0x0814	/* Chipset ID */
56 #define SIO_F71869A_ID		0x1007	/* Chipset ID */
57 #define SIO_F71882_ID		0x0541	/* Chipset ID */
58 #define SIO_F71889_ID		0x0723	/* Chipset ID */
59 #define SIO_F71889E_ID		0x0909	/* Chipset ID */
60 #define SIO_F71889A_ID		0x1005	/* Chipset ID */
61 #define SIO_F8000_ID		0x0581	/* Chipset ID */
62 #define SIO_F81768D_ID		0x1210	/* Chipset ID */
63 #define SIO_F81865_ID		0x0704	/* Chipset ID */
64 #define SIO_F81866_ID		0x1010	/* Chipset ID */
65 
66 #define REGION_LENGTH		8
67 #define ADDR_REG_OFFSET		5
68 #define DATA_REG_OFFSET		6
69 
70 #define F71882FG_REG_IN_STATUS		0x12 /* f7188x only */
71 #define F71882FG_REG_IN_BEEP		0x13 /* f7188x only */
72 #define F71882FG_REG_IN(nr)		(0x20  + (nr))
73 #define F71882FG_REG_IN1_HIGH		0x32 /* f7188x only */
74 
75 #define F81866_REG_IN_STATUS		0x16 /* F81866 only */
76 #define F81866_REG_IN_BEEP			0x17 /* F81866 only */
77 #define F81866_REG_IN1_HIGH		0x3a /* F81866 only */
78 
79 #define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
80 #define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
81 #define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
82 #define F71882FG_REG_FAN_STATUS		0x92
83 #define F71882FG_REG_FAN_BEEP		0x93
84 
85 #define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
86 #define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
87 #define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
88 #define F71882FG_REG_TEMP_STATUS	0x62
89 #define F71882FG_REG_TEMP_BEEP		0x63
90 #define F71882FG_REG_TEMP_CONFIG	0x69
91 #define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
92 #define F71882FG_REG_TEMP_TYPE		0x6B
93 #define F71882FG_REG_TEMP_DIODE_OPEN	0x6F
94 
95 #define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
96 #define F71882FG_REG_PWM_TYPE		0x94
97 #define F71882FG_REG_PWM_ENABLE		0x96
98 
99 #define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
100 
101 #define F71882FG_REG_FAN_FAULT_T	0x9F
102 #define F71882FG_FAN_NEG_TEMP_EN	0x20
103 #define F71882FG_FAN_PROG_SEL		0x80
104 
105 #define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
106 #define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
107 #define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))
108 
109 #define	F71882FG_REG_START		0x01
110 
111 #define F71882FG_MAX_INS		11
112 
113 #define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */
114 
115 static unsigned short force_id;
116 module_param(force_id, ushort, 0);
117 MODULE_PARM_DESC(force_id, "Override the detected device ID");
118 
119 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
120 	f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
121 	f81866a};
122 
123 static const char *const f71882fg_names[] = {
124 	"f71808e",
125 	"f71808a",
126 	"f71858fg",
127 	"f71862fg",
128 	"f71868a",
129 	"f71869", /* Both f71869f and f71869e, reg. compatible and same id */
130 	"f71869a",
131 	"f71882fg",
132 	"f71889fg", /* f81801u too, same id */
133 	"f71889ed",
134 	"f71889a",
135 	"f8000",
136 	"f81768d",
137 	"f81865f",
138 	"f81866a",
139 };
140 
141 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
142 	[f71808e]	= { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
143 	[f71808a]	= { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
144 	[f71858fg]	= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
145 	[f71862fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
146 	[f71868a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
147 	[f71869]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
148 	[f71869a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
149 	[f71882fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
150 	[f71889fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
151 	[f71889ed]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
152 	[f71889a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
153 	[f8000]		= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
154 	[f81768d]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
155 	[f81865f]	= { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
156 	[f81866a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
157 };
158 
159 static const char f71882fg_has_in1_alarm[] = {
160 	[f71808e]	= 0,
161 	[f71808a]	= 0,
162 	[f71858fg]	= 0,
163 	[f71862fg]	= 0,
164 	[f71868a]	= 0,
165 	[f71869]	= 0,
166 	[f71869a]	= 0,
167 	[f71882fg]	= 1,
168 	[f71889fg]	= 1,
169 	[f71889ed]	= 1,
170 	[f71889a]	= 1,
171 	[f8000]		= 0,
172 	[f81768d]	= 1,
173 	[f81865f]	= 1,
174 	[f81866a]	= 1,
175 };
176 
177 static const char f71882fg_fan_has_beep[] = {
178 	[f71808e]	= 0,
179 	[f71808a]	= 0,
180 	[f71858fg]	= 0,
181 	[f71862fg]	= 1,
182 	[f71868a]	= 1,
183 	[f71869]	= 1,
184 	[f71869a]	= 1,
185 	[f71882fg]	= 1,
186 	[f71889fg]	= 1,
187 	[f71889ed]	= 1,
188 	[f71889a]	= 1,
189 	[f8000]		= 0,
190 	[f81768d]	= 1,
191 	[f81865f]	= 1,
192 	[f81866a]	= 1,
193 };
194 
195 static const char f71882fg_nr_fans[] = {
196 	[f71808e]	= 3,
197 	[f71808a]	= 2, /* +1 fan which is monitor + simple pwm only */
198 	[f71858fg]	= 3,
199 	[f71862fg]	= 3,
200 	[f71868a]	= 3,
201 	[f71869]	= 3,
202 	[f71869a]	= 3,
203 	[f71882fg]	= 4,
204 	[f71889fg]	= 3,
205 	[f71889ed]	= 3,
206 	[f71889a]	= 3,
207 	[f8000]		= 3, /* +1 fan which is monitor only */
208 	[f81768d]	= 3,
209 	[f81865f]	= 2,
210 	[f81866a]	= 3,
211 };
212 
213 static const char f71882fg_temp_has_beep[] = {
214 	[f71808e]	= 0,
215 	[f71808a]	= 1,
216 	[f71858fg]	= 0,
217 	[f71862fg]	= 1,
218 	[f71868a]	= 1,
219 	[f71869]	= 1,
220 	[f71869a]	= 1,
221 	[f71882fg]	= 1,
222 	[f71889fg]	= 1,
223 	[f71889ed]	= 1,
224 	[f71889a]	= 1,
225 	[f8000]		= 0,
226 	[f81768d]	= 1,
227 	[f81865f]	= 1,
228 	[f81866a]	= 1,
229 };
230 
231 static const char f71882fg_nr_temps[] = {
232 	[f71808e]	= 2,
233 	[f71808a]	= 2,
234 	[f71858fg]	= 3,
235 	[f71862fg]	= 3,
236 	[f71868a]	= 3,
237 	[f71869]	= 3,
238 	[f71869a]	= 3,
239 	[f71882fg]	= 3,
240 	[f71889fg]	= 3,
241 	[f71889ed]	= 3,
242 	[f71889a]	= 3,
243 	[f8000]		= 3,
244 	[f81768d]	= 3,
245 	[f81865f]	= 2,
246 	[f81866a]	= 3,
247 };
248 
249 static struct platform_device *f71882fg_pdev;
250 
251 /* Super-I/O Function prototypes */
252 static inline int superio_inb(int base, int reg);
253 static inline int superio_inw(int base, int reg);
254 static inline int superio_enter(int base);
255 static inline void superio_select(int base, int ld);
256 static inline void superio_exit(int base);
257 
258 struct f71882fg_sio_data {
259 	enum chips type;
260 };
261 
262 struct f71882fg_data {
263 	unsigned short addr;
264 	enum chips type;
265 	struct device *hwmon_dev;
266 
267 	struct mutex update_lock;
268 	int temp_start;			/* temp numbering start (0 or 1) */
269 	char valid;			/* !=0 if following fields are valid */
270 	char auto_point_temp_signed;
271 	unsigned long last_updated;	/* In jiffies */
272 	unsigned long last_limits;	/* In jiffies */
273 
274 	/* Register Values */
275 	u8	in[F71882FG_MAX_INS];
276 	u8	in1_max;
277 	u8	in_status;
278 	u8	in_beep;
279 	u16	fan[4];
280 	u16	fan_target[4];
281 	u16	fan_full_speed[4];
282 	u8	fan_status;
283 	u8	fan_beep;
284 	/*
285 	 * Note: all models have max 3 temperature channels, but on some
286 	 * they are addressed as 0-2 and on others as 1-3, so for coding
287 	 * convenience we reserve space for 4 channels
288 	 */
289 	u16	temp[4];
290 	u8	temp_ovt[4];
291 	u8	temp_high[4];
292 	u8	temp_hyst[2]; /* 2 hysts stored per reg */
293 	u8	temp_type[4];
294 	u8	temp_status;
295 	u8	temp_beep;
296 	u8	temp_diode_open;
297 	u8	temp_config;
298 	u8	pwm[4];
299 	u8	pwm_enable;
300 	u8	pwm_auto_point_hyst[2];
301 	u8	pwm_auto_point_mapping[4];
302 	u8	pwm_auto_point_pwm[4][5];
303 	s8	pwm_auto_point_temp[4][4];
304 };
305 
306 /* Sysfs in */
307 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
308 	char *buf);
309 static ssize_t show_in_max(struct device *dev, struct device_attribute
310 	*devattr, char *buf);
311 static ssize_t store_in_max(struct device *dev, struct device_attribute
312 	*devattr, const char *buf, size_t count);
313 static ssize_t show_in_beep(struct device *dev, struct device_attribute
314 	*devattr, char *buf);
315 static ssize_t store_in_beep(struct device *dev, struct device_attribute
316 	*devattr, const char *buf, size_t count);
317 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
318 	*devattr, char *buf);
319 /* Sysfs Fan */
320 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
321 	char *buf);
322 static ssize_t show_fan_full_speed(struct device *dev,
323 	struct device_attribute *devattr, char *buf);
324 static ssize_t store_fan_full_speed(struct device *dev,
325 	struct device_attribute *devattr, const char *buf, size_t count);
326 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
327 	*devattr, char *buf);
328 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
329 	*devattr, const char *buf, size_t count);
330 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
331 	*devattr, char *buf);
332 /* Sysfs Temp */
333 static ssize_t show_temp(struct device *dev, struct device_attribute
334 	*devattr, char *buf);
335 static ssize_t show_temp_max(struct device *dev, struct device_attribute
336 	*devattr, char *buf);
337 static ssize_t store_temp_max(struct device *dev, struct device_attribute
338 	*devattr, const char *buf, size_t count);
339 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
340 	*devattr, char *buf);
341 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
342 	*devattr, const char *buf, size_t count);
343 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
344 	*devattr, char *buf);
345 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
346 	*devattr, const char *buf, size_t count);
347 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
348 	*devattr, char *buf);
349 static ssize_t show_temp_type(struct device *dev, struct device_attribute
350 	*devattr, char *buf);
351 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
352 	*devattr, char *buf);
353 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
354 	*devattr, const char *buf, size_t count);
355 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
356 	*devattr, char *buf);
357 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
358 	*devattr, char *buf);
359 /* PWM and Auto point control */
360 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
361 	char *buf);
362 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
363 	const char *buf, size_t count);
364 static ssize_t show_simple_pwm(struct device *dev,
365 	struct device_attribute *devattr, char *buf);
366 static ssize_t store_simple_pwm(struct device *dev,
367 	struct device_attribute *devattr, const char *buf, size_t count);
368 static ssize_t show_pwm_enable(struct device *dev,
369 	struct device_attribute *devattr, char *buf);
370 static ssize_t store_pwm_enable(struct device *dev,
371 	struct device_attribute	*devattr, const char *buf, size_t count);
372 static ssize_t show_pwm_interpolate(struct device *dev,
373 	struct device_attribute *devattr, char *buf);
374 static ssize_t store_pwm_interpolate(struct device *dev,
375 	struct device_attribute *devattr, const char *buf, size_t count);
376 static ssize_t show_pwm_auto_point_channel(struct device *dev,
377 	struct device_attribute *devattr, char *buf);
378 static ssize_t store_pwm_auto_point_channel(struct device *dev,
379 	struct device_attribute *devattr, const char *buf, size_t count);
380 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
381 	struct device_attribute *devattr, char *buf);
382 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
383 	struct device_attribute *devattr, const char *buf, size_t count);
384 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
385 	struct device_attribute *devattr, char *buf);
386 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
387 	struct device_attribute *devattr, const char *buf, size_t count);
388 static ssize_t show_pwm_auto_point_temp(struct device *dev,
389 	struct device_attribute *devattr, char *buf);
390 static ssize_t store_pwm_auto_point_temp(struct device *dev,
391 	struct device_attribute *devattr, const char *buf, size_t count);
392 /* Sysfs misc */
393 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
394 	char *buf);
395 
396 static int f71882fg_probe(struct platform_device *pdev);
397 static int f71882fg_remove(struct platform_device *pdev);
398 
399 static struct platform_driver f71882fg_driver = {
400 	.driver = {
401 		.name	= DRVNAME,
402 	},
403 	.probe		= f71882fg_probe,
404 	.remove		= f71882fg_remove,
405 };
406 
407 static DEVICE_ATTR_RO(name);
408 
409 /*
410  * Temp attr for the f71858fg, the f71858fg is special as it has its
411  * temperature indexes start at 0 (the others start at 1)
412  */
413 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
414 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
415 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
416 		store_temp_max, 0, 0),
417 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
418 		store_temp_max_hyst, 0, 0),
419 	SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
420 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
421 		store_temp_crit, 0, 0),
422 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
423 		0, 0),
424 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
425 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
426 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
427 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
428 		store_temp_max, 0, 1),
429 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
430 		store_temp_max_hyst, 0, 1),
431 	SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
432 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
433 		store_temp_crit, 0, 1),
434 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
435 		0, 1),
436 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
437 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
438 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
439 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
440 		store_temp_max, 0, 2),
441 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
442 		store_temp_max_hyst, 0, 2),
443 	SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
444 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
445 		store_temp_crit, 0, 2),
446 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
447 		0, 2),
448 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
449 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
450 };
451 
452 /* Temp attr for the standard models */
453 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
454 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
455 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
456 		store_temp_max, 0, 1),
457 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
458 		store_temp_max_hyst, 0, 1),
459 	/*
460 	 * Should really be temp1_max_alarm, but older versions did not handle
461 	 * the max and crit alarms separately and lm_sensors v2 depends on the
462 	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
463 	 */
464 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
465 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
466 		store_temp_crit, 0, 1),
467 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
468 		0, 1),
469 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
470 	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
471 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
472 }, {
473 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
474 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
475 		store_temp_max, 0, 2),
476 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
477 		store_temp_max_hyst, 0, 2),
478 	/* Should be temp2_max_alarm, see temp1_alarm note */
479 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
480 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
481 		store_temp_crit, 0, 2),
482 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
483 		0, 2),
484 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
485 	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
486 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
487 }, {
488 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
489 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
490 		store_temp_max, 0, 3),
491 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
492 		store_temp_max_hyst, 0, 3),
493 	/* Should be temp3_max_alarm, see temp1_alarm note */
494 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
495 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
496 		store_temp_crit, 0, 3),
497 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
498 		0, 3),
499 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
500 	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
501 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
502 } };
503 
504 /* Temp attr for models which can beep on temp alarm */
505 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
506 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
507 		store_temp_beep, 0, 1),
508 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
509 		store_temp_beep, 0, 5),
510 }, {
511 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
512 		store_temp_beep, 0, 2),
513 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
514 		store_temp_beep, 0, 6),
515 }, {
516 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
517 		store_temp_beep, 0, 3),
518 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
519 		store_temp_beep, 0, 7),
520 } };
521 
522 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
523 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
524 		store_temp_beep, 0, 0),
525 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
526 		store_temp_beep, 0, 4),
527 }, {
528 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
529 		store_temp_beep, 0, 1),
530 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
531 		store_temp_beep, 0, 5),
532 }, {
533 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
534 		store_temp_beep, 0, 2),
535 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
536 		store_temp_beep, 0, 6),
537 } };
538 
539 /*
540  * Temp attr for the f8000
541  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
542  * is used as hysteresis value to clear alarms
543  * Also like the f71858fg its temperature indexes start at 0
544  */
545 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
546 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
547 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
548 		store_temp_crit, 0, 0),
549 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
550 		store_temp_max, 0, 0),
551 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
552 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
553 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
554 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
555 		store_temp_crit, 0, 1),
556 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
557 		store_temp_max, 0, 1),
558 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
559 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
560 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
561 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
562 		store_temp_crit, 0, 2),
563 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
564 		store_temp_max, 0, 2),
565 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
566 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
567 };
568 
569 /* in attr for all models */
570 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
571 	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
572 	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
573 	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
574 	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
575 	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
576 	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
577 	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
578 	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
579 	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
580 	SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
581 	SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
582 };
583 
584 /* For models with in1 alarm capability */
585 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
586 	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
587 		0, 1),
588 	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
589 		0, 1),
590 	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
591 };
592 
593 /* Fan / PWM attr common to all models */
594 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
595 	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
596 	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
597 		      show_fan_full_speed,
598 		      store_fan_full_speed, 0, 0),
599 	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
600 	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
601 	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
602 		      store_pwm_enable, 0, 0),
603 	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
604 		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
605 }, {
606 	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
607 	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
608 		      show_fan_full_speed,
609 		      store_fan_full_speed, 0, 1),
610 	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
611 	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
612 	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
613 		      store_pwm_enable, 0, 1),
614 	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
615 		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
616 }, {
617 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
618 	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
619 		      show_fan_full_speed,
620 		      store_fan_full_speed, 0, 2),
621 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
622 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
623 	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
624 		      store_pwm_enable, 0, 2),
625 	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
626 		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
627 }, {
628 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
629 	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
630 		      show_fan_full_speed,
631 		      store_fan_full_speed, 0, 3),
632 	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
633 	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
634 	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
635 		      store_pwm_enable, 0, 3),
636 	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
637 		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
638 } };
639 
640 /* Attr for the third fan of the f71808a, which only has manual pwm */
641 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
642 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
643 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
644 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
645 		      show_simple_pwm, store_simple_pwm, 0, 2),
646 };
647 
648 /* Attr for models which can beep on Fan alarm */
649 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
650 	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
651 		store_fan_beep, 0, 0),
652 	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
653 		store_fan_beep, 0, 1),
654 	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
655 		store_fan_beep, 0, 2),
656 	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
657 		store_fan_beep, 0, 3),
658 };
659 
660 /*
661  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
662  * standard models
663  */
664 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
665 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
666 		      show_pwm_auto_point_channel,
667 		      store_pwm_auto_point_channel, 0, 0),
668 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
669 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
670 		      1, 0),
671 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
672 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
673 		      4, 0),
674 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
675 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
676 		      0, 0),
677 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
678 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
679 		      3, 0),
680 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
681 		      show_pwm_auto_point_temp_hyst,
682 		      store_pwm_auto_point_temp_hyst,
683 		      0, 0),
684 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
685 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
686 }, {
687 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
688 		      show_pwm_auto_point_channel,
689 		      store_pwm_auto_point_channel, 0, 1),
690 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
691 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
692 		      1, 1),
693 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
694 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
695 		      4, 1),
696 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
697 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
698 		      0, 1),
699 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
700 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
701 		      3, 1),
702 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
703 		      show_pwm_auto_point_temp_hyst,
704 		      store_pwm_auto_point_temp_hyst,
705 		      0, 1),
706 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
707 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
708 }, {
709 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
710 		      show_pwm_auto_point_channel,
711 		      store_pwm_auto_point_channel, 0, 2),
712 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
713 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
714 		      1, 2),
715 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
716 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
717 		      4, 2),
718 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
719 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
720 		      0, 2),
721 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
722 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
723 		      3, 2),
724 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
725 		      show_pwm_auto_point_temp_hyst,
726 		      store_pwm_auto_point_temp_hyst,
727 		      0, 2),
728 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
729 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
730 } };
731 
732 /*
733  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
734  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
735  * programmed instead of being hardcoded to 0xff
736  */
737 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
738 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
739 		      show_pwm_auto_point_channel,
740 		      store_pwm_auto_point_channel, 0, 0),
741 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
742 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
743 		      0, 0),
744 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
745 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
746 		      1, 0),
747 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
748 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
749 		      4, 0),
750 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
751 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
752 		      0, 0),
753 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
754 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
755 		      3, 0),
756 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
757 		      show_pwm_auto_point_temp_hyst,
758 		      store_pwm_auto_point_temp_hyst,
759 		      0, 0),
760 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
761 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
762 }, {
763 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
764 		      show_pwm_auto_point_channel,
765 		      store_pwm_auto_point_channel, 0, 1),
766 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
767 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
768 		      0, 1),
769 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
770 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
771 		      1, 1),
772 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
773 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
774 		      4, 1),
775 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
776 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
777 		      0, 1),
778 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
779 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
780 		      3, 1),
781 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
782 		      show_pwm_auto_point_temp_hyst,
783 		      store_pwm_auto_point_temp_hyst,
784 		      0, 1),
785 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
786 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
787 }, {
788 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
789 		      show_pwm_auto_point_channel,
790 		      store_pwm_auto_point_channel, 0, 2),
791 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
792 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
793 		      0, 2),
794 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
795 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
796 		      1, 2),
797 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
798 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
799 		      4, 2),
800 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
801 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
802 		      0, 2),
803 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
804 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
805 		      3, 2),
806 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
807 		      show_pwm_auto_point_temp_hyst,
808 		      store_pwm_auto_point_temp_hyst,
809 		      0, 2),
810 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
811 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
812 } };
813 
814 /* PWM attr for the standard models */
815 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
816 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
817 		      show_pwm_auto_point_channel,
818 		      store_pwm_auto_point_channel, 0, 0),
819 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
820 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
821 		      0, 0),
822 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
823 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
824 		      1, 0),
825 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
826 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
827 		      2, 0),
828 	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
829 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
830 		      3, 0),
831 	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
832 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
833 		      4, 0),
834 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
835 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
836 		      0, 0),
837 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
838 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
839 		      1, 0),
840 	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
841 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
842 		      2, 0),
843 	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
844 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
845 		      3, 0),
846 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
847 		      show_pwm_auto_point_temp_hyst,
848 		      store_pwm_auto_point_temp_hyst,
849 		      0, 0),
850 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
851 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
852 	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
853 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
854 	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
855 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
856 }, {
857 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
858 		      show_pwm_auto_point_channel,
859 		      store_pwm_auto_point_channel, 0, 1),
860 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
861 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
862 		      0, 1),
863 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
864 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
865 		      1, 1),
866 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
867 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
868 		      2, 1),
869 	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
870 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
871 		      3, 1),
872 	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
873 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
874 		      4, 1),
875 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
876 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
877 		      0, 1),
878 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
879 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
880 		      1, 1),
881 	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
882 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
883 		      2, 1),
884 	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
885 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
886 		      3, 1),
887 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
888 		      show_pwm_auto_point_temp_hyst,
889 		      store_pwm_auto_point_temp_hyst,
890 		      0, 1),
891 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
892 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
893 	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
894 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
895 	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
896 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
897 }, {
898 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
899 		      show_pwm_auto_point_channel,
900 		      store_pwm_auto_point_channel, 0, 2),
901 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
902 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
903 		      0, 2),
904 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
905 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
906 		      1, 2),
907 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
908 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
909 		      2, 2),
910 	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
911 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
912 		      3, 2),
913 	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
914 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
915 		      4, 2),
916 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
917 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
918 		      0, 2),
919 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
920 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
921 		      1, 2),
922 	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
923 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
924 		      2, 2),
925 	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
926 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
927 		      3, 2),
928 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
929 		      show_pwm_auto_point_temp_hyst,
930 		      store_pwm_auto_point_temp_hyst,
931 		      0, 2),
932 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
933 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
934 	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
935 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
936 	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
937 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
938 }, {
939 	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
940 		      show_pwm_auto_point_channel,
941 		      store_pwm_auto_point_channel, 0, 3),
942 	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
943 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
944 		      0, 3),
945 	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
946 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
947 		      1, 3),
948 	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
949 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
950 		      2, 3),
951 	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
952 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
953 		      3, 3),
954 	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
955 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
956 		      4, 3),
957 	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
958 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
959 		      0, 3),
960 	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
961 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
962 		      1, 3),
963 	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
964 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
965 		      2, 3),
966 	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
967 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
968 		      3, 3),
969 	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
970 		      show_pwm_auto_point_temp_hyst,
971 		      store_pwm_auto_point_temp_hyst,
972 		      0, 3),
973 	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
974 		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
975 	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
976 		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
977 	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
978 		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
979 } };
980 
981 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
982 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
983 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
984 };
985 
986 /*
987  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
988  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
989  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
990  */
991 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
992 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
993 		      show_pwm_auto_point_channel,
994 		      store_pwm_auto_point_channel, 0, 0),
995 	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
996 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
997 		      0, 2),
998 	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
999 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1000 		      1, 2),
1001 	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1002 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1003 		      2, 2),
1004 	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1005 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1006 		      3, 2),
1007 	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1008 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1009 		      4, 2),
1010 	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
1011 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1012 		      0, 2),
1013 	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1014 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1015 		      1, 2),
1016 	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1017 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1018 		      2, 2),
1019 	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1020 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1021 		      3, 2),
1022 	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1023 		      show_pwm_auto_point_temp_hyst,
1024 		      store_pwm_auto_point_temp_hyst,
1025 		      0, 2),
1026 	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1027 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1028 	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1029 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1030 	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1031 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1032 }, {
1033 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1034 		      show_pwm_auto_point_channel,
1035 		      store_pwm_auto_point_channel, 0, 1),
1036 	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1037 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1038 		      0, 0),
1039 	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1040 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1041 		      1, 0),
1042 	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1043 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1044 		      2, 0),
1045 	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1046 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1047 		      3, 0),
1048 	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1049 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1050 		      4, 0),
1051 	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1052 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1053 		      0, 0),
1054 	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
1055 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1056 		      1, 0),
1057 	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
1058 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1059 		      2, 0),
1060 	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
1061 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1062 		      3, 0),
1063 	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1064 		      show_pwm_auto_point_temp_hyst,
1065 		      store_pwm_auto_point_temp_hyst,
1066 		      0, 0),
1067 	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
1068 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1069 	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
1070 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1071 	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
1072 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1073 }, {
1074 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1075 		      show_pwm_auto_point_channel,
1076 		      store_pwm_auto_point_channel, 0, 2),
1077 	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1078 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1079 		      0, 1),
1080 	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1081 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1082 		      1, 1),
1083 	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1084 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1085 		      2, 1),
1086 	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1087 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1088 		      3, 1),
1089 	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1090 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1091 		      4, 1),
1092 	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
1093 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1094 		      0, 1),
1095 	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
1096 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1097 		      1, 1),
1098 	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
1099 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1100 		      2, 1),
1101 	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
1102 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1103 		      3, 1),
1104 	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1105 		      show_pwm_auto_point_temp_hyst,
1106 		      store_pwm_auto_point_temp_hyst,
1107 		      0, 1),
1108 	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
1109 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1110 	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
1111 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1112 	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
1113 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1114 } };
1115 
1116 /* Super I/O functions */
1117 static inline int superio_inb(int base, int reg)
1118 {
1119 	outb(reg, base);
1120 	return inb(base + 1);
1121 }
1122 
1123 static int superio_inw(int base, int reg)
1124 {
1125 	int val;
1126 	val  = superio_inb(base, reg) << 8;
1127 	val |= superio_inb(base, reg + 1);
1128 	return val;
1129 }
1130 
1131 static inline int superio_enter(int base)
1132 {
1133 	/* Don't step on other drivers' I/O space by accident */
1134 	if (!request_muxed_region(base, 2, DRVNAME)) {
1135 		pr_err("I/O address 0x%04x already in use\n", base);
1136 		return -EBUSY;
1137 	}
1138 
1139 	/* according to the datasheet the key must be send twice! */
1140 	outb(SIO_UNLOCK_KEY, base);
1141 	outb(SIO_UNLOCK_KEY, base);
1142 
1143 	return 0;
1144 }
1145 
1146 static inline void superio_select(int base, int ld)
1147 {
1148 	outb(SIO_REG_LDSEL, base);
1149 	outb(ld, base + 1);
1150 }
1151 
1152 static inline void superio_exit(int base)
1153 {
1154 	outb(SIO_LOCK_KEY, base);
1155 	release_region(base, 2);
1156 }
1157 
1158 static inline int fan_from_reg(u16 reg)
1159 {
1160 	return reg ? (1500000 / reg) : 0;
1161 }
1162 
1163 static inline u16 fan_to_reg(int fan)
1164 {
1165 	return fan ? (1500000 / fan) : 0;
1166 }
1167 
1168 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
1169 {
1170 	u8 val;
1171 
1172 	outb(reg, data->addr + ADDR_REG_OFFSET);
1173 	val = inb(data->addr + DATA_REG_OFFSET);
1174 
1175 	return val;
1176 }
1177 
1178 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
1179 {
1180 	u16 val;
1181 
1182 	val  = f71882fg_read8(data, reg) << 8;
1183 	val |= f71882fg_read8(data, reg + 1);
1184 
1185 	return val;
1186 }
1187 
1188 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
1189 {
1190 	outb(reg, data->addr + ADDR_REG_OFFSET);
1191 	outb(val, data->addr + DATA_REG_OFFSET);
1192 }
1193 
1194 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
1195 {
1196 	f71882fg_write8(data, reg,     val >> 8);
1197 	f71882fg_write8(data, reg + 1, val & 0xff);
1198 }
1199 
1200 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
1201 {
1202 	if (data->type == f71858fg)
1203 		return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
1204 	else
1205 		return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
1206 }
1207 
1208 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
1209 {
1210 	struct f71882fg_data *data = dev_get_drvdata(dev);
1211 	int nr_fans = f71882fg_nr_fans[data->type];
1212 	int nr_temps = f71882fg_nr_temps[data->type];
1213 	int nr, reg, point;
1214 
1215 	mutex_lock(&data->update_lock);
1216 
1217 	/* Update once every 60 seconds */
1218 	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
1219 			!data->valid) {
1220 		if (f71882fg_has_in1_alarm[data->type]) {
1221 			if (data->type == f81866a) {
1222 				data->in1_max =
1223 					f71882fg_read8(data,
1224 						       F81866_REG_IN1_HIGH);
1225 				data->in_beep =
1226 					f71882fg_read8(data,
1227 						       F81866_REG_IN_BEEP);
1228 			} else {
1229 				data->in1_max =
1230 					f71882fg_read8(data,
1231 						       F71882FG_REG_IN1_HIGH);
1232 				data->in_beep =
1233 					f71882fg_read8(data,
1234 						       F71882FG_REG_IN_BEEP);
1235 			}
1236 		}
1237 
1238 		/* Get High & boundary temps*/
1239 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1240 									nr++) {
1241 			data->temp_ovt[nr] = f71882fg_read8(data,
1242 						F71882FG_REG_TEMP_OVT(nr));
1243 			data->temp_high[nr] = f71882fg_read8(data,
1244 						F71882FG_REG_TEMP_HIGH(nr));
1245 		}
1246 
1247 		if (data->type != f8000) {
1248 			data->temp_hyst[0] = f71882fg_read8(data,
1249 						F71882FG_REG_TEMP_HYST(0));
1250 			data->temp_hyst[1] = f71882fg_read8(data,
1251 						F71882FG_REG_TEMP_HYST(1));
1252 		}
1253 		/* All but the f71858fg / f8000 have this register */
1254 		if ((data->type != f71858fg) && (data->type != f8000)) {
1255 			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
1256 			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
1257 			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
1258 			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
1259 		}
1260 
1261 		if (f71882fg_fan_has_beep[data->type])
1262 			data->fan_beep = f71882fg_read8(data,
1263 						F71882FG_REG_FAN_BEEP);
1264 
1265 		if (f71882fg_temp_has_beep[data->type])
1266 			data->temp_beep = f71882fg_read8(data,
1267 						F71882FG_REG_TEMP_BEEP);
1268 
1269 		data->pwm_enable = f71882fg_read8(data,
1270 						  F71882FG_REG_PWM_ENABLE);
1271 		data->pwm_auto_point_hyst[0] =
1272 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
1273 		data->pwm_auto_point_hyst[1] =
1274 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
1275 
1276 		for (nr = 0; nr < nr_fans; nr++) {
1277 			data->pwm_auto_point_mapping[nr] =
1278 			    f71882fg_read8(data,
1279 					   F71882FG_REG_POINT_MAPPING(nr));
1280 
1281 			switch (data->type) {
1282 			default:
1283 				for (point = 0; point < 5; point++) {
1284 					data->pwm_auto_point_pwm[nr][point] =
1285 						f71882fg_read8(data,
1286 							F71882FG_REG_POINT_PWM
1287 							(nr, point));
1288 				}
1289 				for (point = 0; point < 4; point++) {
1290 					data->pwm_auto_point_temp[nr][point] =
1291 						f71882fg_read8(data,
1292 							F71882FG_REG_POINT_TEMP
1293 							(nr, point));
1294 				}
1295 				break;
1296 			case f71808e:
1297 			case f71869:
1298 				data->pwm_auto_point_pwm[nr][0] =
1299 					f71882fg_read8(data,
1300 						F71882FG_REG_POINT_PWM(nr, 0));
1301 				/* Fall through */
1302 			case f71862fg:
1303 				data->pwm_auto_point_pwm[nr][1] =
1304 					f71882fg_read8(data,
1305 						F71882FG_REG_POINT_PWM
1306 						(nr, 1));
1307 				data->pwm_auto_point_pwm[nr][4] =
1308 					f71882fg_read8(data,
1309 						F71882FG_REG_POINT_PWM
1310 						(nr, 4));
1311 				data->pwm_auto_point_temp[nr][0] =
1312 					f71882fg_read8(data,
1313 						F71882FG_REG_POINT_TEMP
1314 						(nr, 0));
1315 				data->pwm_auto_point_temp[nr][3] =
1316 					f71882fg_read8(data,
1317 						F71882FG_REG_POINT_TEMP
1318 						(nr, 3));
1319 				break;
1320 			}
1321 		}
1322 		data->last_limits = jiffies;
1323 	}
1324 
1325 	/* Update every second */
1326 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
1327 		data->temp_status = f71882fg_read8(data,
1328 						F71882FG_REG_TEMP_STATUS);
1329 		data->temp_diode_open = f71882fg_read8(data,
1330 						F71882FG_REG_TEMP_DIODE_OPEN);
1331 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1332 									nr++)
1333 			data->temp[nr] = f71882fg_read_temp(data, nr);
1334 
1335 		data->fan_status = f71882fg_read8(data,
1336 						F71882FG_REG_FAN_STATUS);
1337 		for (nr = 0; nr < nr_fans; nr++) {
1338 			data->fan[nr] = f71882fg_read16(data,
1339 						F71882FG_REG_FAN(nr));
1340 			data->fan_target[nr] =
1341 			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
1342 			data->fan_full_speed[nr] =
1343 			    f71882fg_read16(data,
1344 					    F71882FG_REG_FAN_FULL_SPEED(nr));
1345 			data->pwm[nr] =
1346 			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
1347 		}
1348 		/* Some models have 1 more fan with limited capabilities */
1349 		if (data->type == f71808a) {
1350 			data->fan[2] = f71882fg_read16(data,
1351 						F71882FG_REG_FAN(2));
1352 			data->pwm[2] = f71882fg_read8(data,
1353 							F71882FG_REG_PWM(2));
1354 		}
1355 		if (data->type == f8000)
1356 			data->fan[3] = f71882fg_read16(data,
1357 						F71882FG_REG_FAN(3));
1358 
1359 		if (f71882fg_has_in1_alarm[data->type]) {
1360 			if (data->type == f81866a)
1361 				data->in_status = f71882fg_read8(data,
1362 						F81866_REG_IN_STATUS);
1363 
1364 			else
1365 				data->in_status = f71882fg_read8(data,
1366 						F71882FG_REG_IN_STATUS);
1367 		}
1368 
1369 		for (nr = 0; nr < F71882FG_MAX_INS; nr++)
1370 			if (f71882fg_has_in[data->type][nr])
1371 				data->in[nr] = f71882fg_read8(data,
1372 							F71882FG_REG_IN(nr));
1373 
1374 		data->last_updated = jiffies;
1375 		data->valid = 1;
1376 	}
1377 
1378 	mutex_unlock(&data->update_lock);
1379 
1380 	return data;
1381 }
1382 
1383 /* Sysfs Interface */
1384 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1385 	char *buf)
1386 {
1387 	struct f71882fg_data *data = f71882fg_update_device(dev);
1388 	int nr = to_sensor_dev_attr_2(devattr)->index;
1389 	int speed = fan_from_reg(data->fan[nr]);
1390 
1391 	if (speed == FAN_MIN_DETECT)
1392 		speed = 0;
1393 
1394 	return sprintf(buf, "%d\n", speed);
1395 }
1396 
1397 static ssize_t show_fan_full_speed(struct device *dev,
1398 				   struct device_attribute *devattr, char *buf)
1399 {
1400 	struct f71882fg_data *data = f71882fg_update_device(dev);
1401 	int nr = to_sensor_dev_attr_2(devattr)->index;
1402 	int speed = fan_from_reg(data->fan_full_speed[nr]);
1403 	return sprintf(buf, "%d\n", speed);
1404 }
1405 
1406 static ssize_t store_fan_full_speed(struct device *dev,
1407 				    struct device_attribute *devattr,
1408 				    const char *buf, size_t count)
1409 {
1410 	struct f71882fg_data *data = dev_get_drvdata(dev);
1411 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1412 	long val;
1413 
1414 	err = kstrtol(buf, 10, &val);
1415 	if (err)
1416 		return err;
1417 
1418 	val = clamp_val(val, 23, 1500000);
1419 	val = fan_to_reg(val);
1420 
1421 	mutex_lock(&data->update_lock);
1422 	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1423 	data->fan_full_speed[nr] = val;
1424 	mutex_unlock(&data->update_lock);
1425 
1426 	return count;
1427 }
1428 
1429 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1430 	*devattr, char *buf)
1431 {
1432 	struct f71882fg_data *data = f71882fg_update_device(dev);
1433 	int nr = to_sensor_dev_attr_2(devattr)->index;
1434 
1435 	if (data->fan_beep & (1 << nr))
1436 		return sprintf(buf, "1\n");
1437 	else
1438 		return sprintf(buf, "0\n");
1439 }
1440 
1441 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1442 	*devattr, const char *buf, size_t count)
1443 {
1444 	struct f71882fg_data *data = dev_get_drvdata(dev);
1445 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1446 	unsigned long val;
1447 
1448 	err = kstrtoul(buf, 10, &val);
1449 	if (err)
1450 		return err;
1451 
1452 	mutex_lock(&data->update_lock);
1453 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1454 	if (val)
1455 		data->fan_beep |= 1 << nr;
1456 	else
1457 		data->fan_beep &= ~(1 << nr);
1458 
1459 	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1460 	mutex_unlock(&data->update_lock);
1461 
1462 	return count;
1463 }
1464 
1465 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1466 	*devattr, char *buf)
1467 {
1468 	struct f71882fg_data *data = f71882fg_update_device(dev);
1469 	int nr = to_sensor_dev_attr_2(devattr)->index;
1470 
1471 	if (data->fan_status & (1 << nr))
1472 		return sprintf(buf, "1\n");
1473 	else
1474 		return sprintf(buf, "0\n");
1475 }
1476 
1477 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
1478 	char *buf)
1479 {
1480 	struct f71882fg_data *data = f71882fg_update_device(dev);
1481 	int nr = to_sensor_dev_attr_2(devattr)->index;
1482 
1483 	return sprintf(buf, "%d\n", data->in[nr] * 8);
1484 }
1485 
1486 static ssize_t show_in_max(struct device *dev, struct device_attribute
1487 	*devattr, char *buf)
1488 {
1489 	struct f71882fg_data *data = f71882fg_update_device(dev);
1490 
1491 	return sprintf(buf, "%d\n", data->in1_max * 8);
1492 }
1493 
1494 static ssize_t store_in_max(struct device *dev, struct device_attribute
1495 	*devattr, const char *buf, size_t count)
1496 {
1497 	struct f71882fg_data *data = dev_get_drvdata(dev);
1498 	int err;
1499 	long val;
1500 
1501 	err = kstrtol(buf, 10, &val);
1502 	if (err)
1503 		return err;
1504 
1505 	val /= 8;
1506 	val = clamp_val(val, 0, 255);
1507 
1508 	mutex_lock(&data->update_lock);
1509 	if (data->type == f81866a)
1510 		f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
1511 	else
1512 		f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
1513 	data->in1_max = val;
1514 	mutex_unlock(&data->update_lock);
1515 
1516 	return count;
1517 }
1518 
1519 static ssize_t show_in_beep(struct device *dev, struct device_attribute
1520 	*devattr, char *buf)
1521 {
1522 	struct f71882fg_data *data = f71882fg_update_device(dev);
1523 	int nr = to_sensor_dev_attr_2(devattr)->index;
1524 
1525 	if (data->in_beep & (1 << nr))
1526 		return sprintf(buf, "1\n");
1527 	else
1528 		return sprintf(buf, "0\n");
1529 }
1530 
1531 static ssize_t store_in_beep(struct device *dev, struct device_attribute
1532 	*devattr, const char *buf, size_t count)
1533 {
1534 	struct f71882fg_data *data = dev_get_drvdata(dev);
1535 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1536 	unsigned long val;
1537 
1538 	err = kstrtoul(buf, 10, &val);
1539 	if (err)
1540 		return err;
1541 
1542 	mutex_lock(&data->update_lock);
1543 	if (data->type == f81866a)
1544 		data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
1545 	else
1546 		data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1547 
1548 	if (val)
1549 		data->in_beep |= 1 << nr;
1550 	else
1551 		data->in_beep &= ~(1 << nr);
1552 
1553 	if (data->type == f81866a)
1554 		f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1555 	else
1556 		f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1557 	mutex_unlock(&data->update_lock);
1558 
1559 	return count;
1560 }
1561 
1562 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1563 	*devattr, char *buf)
1564 {
1565 	struct f71882fg_data *data = f71882fg_update_device(dev);
1566 	int nr = to_sensor_dev_attr_2(devattr)->index;
1567 
1568 	if (data->in_status & (1 << nr))
1569 		return sprintf(buf, "1\n");
1570 	else
1571 		return sprintf(buf, "0\n");
1572 }
1573 
1574 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
1575 	char *buf)
1576 {
1577 	struct f71882fg_data *data = f71882fg_update_device(dev);
1578 	int nr = to_sensor_dev_attr_2(devattr)->index;
1579 	int sign, temp;
1580 
1581 	if (data->type == f71858fg) {
1582 		/* TEMP_TABLE_SEL 1 or 3 ? */
1583 		if (data->temp_config & 1) {
1584 			sign = data->temp[nr] & 0x0001;
1585 			temp = (data->temp[nr] >> 5) & 0x7ff;
1586 		} else {
1587 			sign = data->temp[nr] & 0x8000;
1588 			temp = (data->temp[nr] >> 5) & 0x3ff;
1589 		}
1590 		temp *= 125;
1591 		if (sign)
1592 			temp -= 128000;
1593 	} else
1594 		temp = data->temp[nr] * 1000;
1595 
1596 	return sprintf(buf, "%d\n", temp);
1597 }
1598 
1599 static ssize_t show_temp_max(struct device *dev, struct device_attribute
1600 	*devattr, char *buf)
1601 {
1602 	struct f71882fg_data *data = f71882fg_update_device(dev);
1603 	int nr = to_sensor_dev_attr_2(devattr)->index;
1604 
1605 	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
1606 }
1607 
1608 static ssize_t store_temp_max(struct device *dev, struct device_attribute
1609 	*devattr, const char *buf, size_t count)
1610 {
1611 	struct f71882fg_data *data = dev_get_drvdata(dev);
1612 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1613 	long val;
1614 
1615 	err = kstrtol(buf, 10, &val);
1616 	if (err)
1617 		return err;
1618 
1619 	val /= 1000;
1620 	val = clamp_val(val, 0, 255);
1621 
1622 	mutex_lock(&data->update_lock);
1623 	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1624 	data->temp_high[nr] = val;
1625 	mutex_unlock(&data->update_lock);
1626 
1627 	return count;
1628 }
1629 
1630 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1631 	*devattr, char *buf)
1632 {
1633 	struct f71882fg_data *data = f71882fg_update_device(dev);
1634 	int nr = to_sensor_dev_attr_2(devattr)->index;
1635 	int temp_max_hyst;
1636 
1637 	mutex_lock(&data->update_lock);
1638 	if (nr & 1)
1639 		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
1640 	else
1641 		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
1642 	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1643 	mutex_unlock(&data->update_lock);
1644 
1645 	return sprintf(buf, "%d\n", temp_max_hyst);
1646 }
1647 
1648 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1649 	*devattr, const char *buf, size_t count)
1650 {
1651 	struct f71882fg_data *data = dev_get_drvdata(dev);
1652 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1653 	ssize_t ret = count;
1654 	u8 reg;
1655 	long val;
1656 
1657 	err = kstrtol(buf, 10, &val);
1658 	if (err)
1659 		return err;
1660 
1661 	val /= 1000;
1662 
1663 	mutex_lock(&data->update_lock);
1664 
1665 	/* convert abs to relative and check */
1666 	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1667 	val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
1668 	val = data->temp_high[nr] - val;
1669 
1670 	/* convert value to register contents */
1671 	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
1672 	if (nr & 1)
1673 		reg = (reg & 0x0f) | (val << 4);
1674 	else
1675 		reg = (reg & 0xf0) | val;
1676 	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
1677 	data->temp_hyst[nr / 2] = reg;
1678 
1679 	mutex_unlock(&data->update_lock);
1680 	return ret;
1681 }
1682 
1683 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1684 	*devattr, char *buf)
1685 {
1686 	struct f71882fg_data *data = f71882fg_update_device(dev);
1687 	int nr = to_sensor_dev_attr_2(devattr)->index;
1688 
1689 	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1690 }
1691 
1692 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1693 	*devattr, const char *buf, size_t count)
1694 {
1695 	struct f71882fg_data *data = dev_get_drvdata(dev);
1696 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1697 	long val;
1698 
1699 	err = kstrtol(buf, 10, &val);
1700 	if (err)
1701 		return err;
1702 
1703 	val /= 1000;
1704 	val = clamp_val(val, 0, 255);
1705 
1706 	mutex_lock(&data->update_lock);
1707 	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1708 	data->temp_ovt[nr] = val;
1709 	mutex_unlock(&data->update_lock);
1710 
1711 	return count;
1712 }
1713 
1714 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1715 	*devattr, char *buf)
1716 {
1717 	struct f71882fg_data *data = f71882fg_update_device(dev);
1718 	int nr = to_sensor_dev_attr_2(devattr)->index;
1719 	int temp_crit_hyst;
1720 
1721 	mutex_lock(&data->update_lock);
1722 	if (nr & 1)
1723 		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
1724 	else
1725 		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
1726 	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1727 	mutex_unlock(&data->update_lock);
1728 
1729 	return sprintf(buf, "%d\n", temp_crit_hyst);
1730 }
1731 
1732 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1733 	*devattr, char *buf)
1734 {
1735 	struct f71882fg_data *data = f71882fg_update_device(dev);
1736 	int nr = to_sensor_dev_attr_2(devattr)->index;
1737 
1738 	return sprintf(buf, "%d\n", data->temp_type[nr]);
1739 }
1740 
1741 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1742 	*devattr, char *buf)
1743 {
1744 	struct f71882fg_data *data = f71882fg_update_device(dev);
1745 	int nr = to_sensor_dev_attr_2(devattr)->index;
1746 
1747 	if (data->temp_beep & (1 << nr))
1748 		return sprintf(buf, "1\n");
1749 	else
1750 		return sprintf(buf, "0\n");
1751 }
1752 
1753 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1754 	*devattr, const char *buf, size_t count)
1755 {
1756 	struct f71882fg_data *data = dev_get_drvdata(dev);
1757 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1758 	unsigned long val;
1759 
1760 	err = kstrtoul(buf, 10, &val);
1761 	if (err)
1762 		return err;
1763 
1764 	mutex_lock(&data->update_lock);
1765 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1766 	if (val)
1767 		data->temp_beep |= 1 << nr;
1768 	else
1769 		data->temp_beep &= ~(1 << nr);
1770 
1771 	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1772 	mutex_unlock(&data->update_lock);
1773 
1774 	return count;
1775 }
1776 
1777 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1778 	*devattr, char *buf)
1779 {
1780 	struct f71882fg_data *data = f71882fg_update_device(dev);
1781 	int nr = to_sensor_dev_attr_2(devattr)->index;
1782 
1783 	if (data->temp_status & (1 << nr))
1784 		return sprintf(buf, "1\n");
1785 	else
1786 		return sprintf(buf, "0\n");
1787 }
1788 
1789 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1790 	*devattr, char *buf)
1791 {
1792 	struct f71882fg_data *data = f71882fg_update_device(dev);
1793 	int nr = to_sensor_dev_attr_2(devattr)->index;
1794 
1795 	if (data->temp_diode_open & (1 << nr))
1796 		return sprintf(buf, "1\n");
1797 	else
1798 		return sprintf(buf, "0\n");
1799 }
1800 
1801 static ssize_t show_pwm(struct device *dev,
1802 			struct device_attribute *devattr, char *buf)
1803 {
1804 	struct f71882fg_data *data = f71882fg_update_device(dev);
1805 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1806 	mutex_lock(&data->update_lock);
1807 	if (data->pwm_enable & (1 << (2 * nr)))
1808 		/* PWM mode */
1809 		val = data->pwm[nr];
1810 	else {
1811 		/* RPM mode */
1812 		val = 255 * fan_from_reg(data->fan_target[nr])
1813 			/ fan_from_reg(data->fan_full_speed[nr]);
1814 	}
1815 	mutex_unlock(&data->update_lock);
1816 	return sprintf(buf, "%d\n", val);
1817 }
1818 
1819 static ssize_t store_pwm(struct device *dev,
1820 			 struct device_attribute *devattr, const char *buf,
1821 			 size_t count)
1822 {
1823 	struct f71882fg_data *data = dev_get_drvdata(dev);
1824 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1825 	long val;
1826 
1827 	err = kstrtol(buf, 10, &val);
1828 	if (err)
1829 		return err;
1830 
1831 	val = clamp_val(val, 0, 255);
1832 
1833 	mutex_lock(&data->update_lock);
1834 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1835 	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1836 	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1837 		count = -EROFS;
1838 		goto leave;
1839 	}
1840 	if (data->pwm_enable & (1 << (2 * nr))) {
1841 		/* PWM mode */
1842 		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1843 		data->pwm[nr] = val;
1844 	} else {
1845 		/* RPM mode */
1846 		int target, full_speed;
1847 		full_speed = f71882fg_read16(data,
1848 					     F71882FG_REG_FAN_FULL_SPEED(nr));
1849 		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1850 		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1851 		data->fan_target[nr] = target;
1852 		data->fan_full_speed[nr] = full_speed;
1853 	}
1854 leave:
1855 	mutex_unlock(&data->update_lock);
1856 
1857 	return count;
1858 }
1859 
1860 static ssize_t show_simple_pwm(struct device *dev,
1861 			       struct device_attribute *devattr, char *buf)
1862 {
1863 	struct f71882fg_data *data = f71882fg_update_device(dev);
1864 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1865 
1866 	val = data->pwm[nr];
1867 	return sprintf(buf, "%d\n", val);
1868 }
1869 
1870 static ssize_t store_simple_pwm(struct device *dev,
1871 				struct device_attribute *devattr,
1872 				const char *buf, size_t count)
1873 {
1874 	struct f71882fg_data *data = dev_get_drvdata(dev);
1875 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1876 	long val;
1877 
1878 	err = kstrtol(buf, 10, &val);
1879 	if (err)
1880 		return err;
1881 
1882 	val = clamp_val(val, 0, 255);
1883 
1884 	mutex_lock(&data->update_lock);
1885 	f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1886 	data->pwm[nr] = val;
1887 	mutex_unlock(&data->update_lock);
1888 
1889 	return count;
1890 }
1891 
1892 static ssize_t show_pwm_enable(struct device *dev,
1893 			       struct device_attribute *devattr, char *buf)
1894 {
1895 	int result = 0;
1896 	struct f71882fg_data *data = f71882fg_update_device(dev);
1897 	int nr = to_sensor_dev_attr_2(devattr)->index;
1898 
1899 	switch ((data->pwm_enable >> 2 * nr) & 3) {
1900 	case 0:
1901 	case 1:
1902 		result = 2; /* Normal auto mode */
1903 		break;
1904 	case 2:
1905 		result = 1; /* Manual mode */
1906 		break;
1907 	case 3:
1908 		if (data->type == f8000)
1909 			result = 3; /* Thermostat mode */
1910 		else
1911 			result = 1; /* Manual mode */
1912 		break;
1913 	}
1914 
1915 	return sprintf(buf, "%d\n", result);
1916 }
1917 
1918 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1919 				*devattr, const char *buf, size_t count)
1920 {
1921 	struct f71882fg_data *data = dev_get_drvdata(dev);
1922 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1923 	long val;
1924 
1925 	err = kstrtol(buf, 10, &val);
1926 	if (err)
1927 		return err;
1928 
1929 	/* Special case for F8000 pwm channel 3 which only does auto mode */
1930 	if (data->type == f8000 && nr == 2 && val != 2)
1931 		return -EINVAL;
1932 
1933 	mutex_lock(&data->update_lock);
1934 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1935 	/* Special case for F8000 auto PWM mode / Thermostat mode */
1936 	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1937 		switch (val) {
1938 		case 2:
1939 			data->pwm_enable &= ~(2 << (2 * nr));
1940 			break;		/* Normal auto mode */
1941 		case 3:
1942 			data->pwm_enable |= 2 << (2 * nr);
1943 			break;		/* Thermostat mode */
1944 		default:
1945 			count = -EINVAL;
1946 			goto leave;
1947 		}
1948 	} else {
1949 		switch (val) {
1950 		case 1:
1951 			/* The f71858fg does not support manual RPM mode */
1952 			if (data->type == f71858fg &&
1953 			    ((data->pwm_enable >> (2 * nr)) & 1)) {
1954 				count = -EINVAL;
1955 				goto leave;
1956 			}
1957 			data->pwm_enable |= 2 << (2 * nr);
1958 			break;		/* Manual */
1959 		case 2:
1960 			data->pwm_enable &= ~(2 << (2 * nr));
1961 			break;		/* Normal auto mode */
1962 		default:
1963 			count = -EINVAL;
1964 			goto leave;
1965 		}
1966 	}
1967 	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1968 leave:
1969 	mutex_unlock(&data->update_lock);
1970 
1971 	return count;
1972 }
1973 
1974 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1975 				       struct device_attribute *devattr,
1976 				       char *buf)
1977 {
1978 	int result;
1979 	struct f71882fg_data *data = f71882fg_update_device(dev);
1980 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1981 	int point = to_sensor_dev_attr_2(devattr)->nr;
1982 
1983 	mutex_lock(&data->update_lock);
1984 	if (data->pwm_enable & (1 << (2 * pwm))) {
1985 		/* PWM mode */
1986 		result = data->pwm_auto_point_pwm[pwm][point];
1987 	} else {
1988 		/* RPM mode */
1989 		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1990 	}
1991 	mutex_unlock(&data->update_lock);
1992 
1993 	return sprintf(buf, "%d\n", result);
1994 }
1995 
1996 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1997 					struct device_attribute *devattr,
1998 					const char *buf, size_t count)
1999 {
2000 	struct f71882fg_data *data = dev_get_drvdata(dev);
2001 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2002 	int point = to_sensor_dev_attr_2(devattr)->nr;
2003 	long val;
2004 
2005 	err = kstrtol(buf, 10, &val);
2006 	if (err)
2007 		return err;
2008 
2009 	val = clamp_val(val, 0, 255);
2010 
2011 	mutex_lock(&data->update_lock);
2012 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2013 	if (data->pwm_enable & (1 << (2 * pwm))) {
2014 		/* PWM mode */
2015 	} else {
2016 		/* RPM mode */
2017 		if (val < 29)	/* Prevent negative numbers */
2018 			val = 255;
2019 		else
2020 			val = (255 - val) * 32 / val;
2021 	}
2022 	f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
2023 	data->pwm_auto_point_pwm[pwm][point] = val;
2024 	mutex_unlock(&data->update_lock);
2025 
2026 	return count;
2027 }
2028 
2029 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
2030 					     struct device_attribute *devattr,
2031 					     char *buf)
2032 {
2033 	int result = 0;
2034 	struct f71882fg_data *data = f71882fg_update_device(dev);
2035 	int nr = to_sensor_dev_attr_2(devattr)->index;
2036 	int point = to_sensor_dev_attr_2(devattr)->nr;
2037 
2038 	mutex_lock(&data->update_lock);
2039 	if (nr & 1)
2040 		result = data->pwm_auto_point_hyst[nr / 2] >> 4;
2041 	else
2042 		result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
2043 	result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
2044 	mutex_unlock(&data->update_lock);
2045 
2046 	return sprintf(buf, "%d\n", result);
2047 }
2048 
2049 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
2050 					      struct device_attribute *devattr,
2051 					      const char *buf, size_t count)
2052 {
2053 	struct f71882fg_data *data = dev_get_drvdata(dev);
2054 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2055 	int point = to_sensor_dev_attr_2(devattr)->nr;
2056 	u8 reg;
2057 	long val;
2058 
2059 	err = kstrtol(buf, 10, &val);
2060 	if (err)
2061 		return err;
2062 
2063 	val /= 1000;
2064 
2065 	mutex_lock(&data->update_lock);
2066 	data->pwm_auto_point_temp[nr][point] =
2067 		f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
2068 	val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
2069 			data->pwm_auto_point_temp[nr][point]);
2070 	val = data->pwm_auto_point_temp[nr][point] - val;
2071 
2072 	reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
2073 	if (nr & 1)
2074 		reg = (reg & 0x0f) | (val << 4);
2075 	else
2076 		reg = (reg & 0xf0) | val;
2077 
2078 	f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
2079 	data->pwm_auto_point_hyst[nr / 2] = reg;
2080 	mutex_unlock(&data->update_lock);
2081 
2082 	return count;
2083 }
2084 
2085 static ssize_t show_pwm_interpolate(struct device *dev,
2086 				    struct device_attribute *devattr, char *buf)
2087 {
2088 	int result;
2089 	struct f71882fg_data *data = f71882fg_update_device(dev);
2090 	int nr = to_sensor_dev_attr_2(devattr)->index;
2091 
2092 	result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
2093 
2094 	return sprintf(buf, "%d\n", result);
2095 }
2096 
2097 static ssize_t store_pwm_interpolate(struct device *dev,
2098 				     struct device_attribute *devattr,
2099 				     const char *buf, size_t count)
2100 {
2101 	struct f71882fg_data *data = dev_get_drvdata(dev);
2102 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2103 	unsigned long val;
2104 
2105 	err = kstrtoul(buf, 10, &val);
2106 	if (err)
2107 		return err;
2108 
2109 	mutex_lock(&data->update_lock);
2110 	data->pwm_auto_point_mapping[nr] =
2111 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2112 	if (val)
2113 		val = data->pwm_auto_point_mapping[nr] | (1 << 4);
2114 	else
2115 		val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
2116 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2117 	data->pwm_auto_point_mapping[nr] = val;
2118 	mutex_unlock(&data->update_lock);
2119 
2120 	return count;
2121 }
2122 
2123 static ssize_t show_pwm_auto_point_channel(struct device *dev,
2124 					   struct device_attribute *devattr,
2125 					   char *buf)
2126 {
2127 	int result;
2128 	struct f71882fg_data *data = f71882fg_update_device(dev);
2129 	int nr = to_sensor_dev_attr_2(devattr)->index;
2130 
2131 	result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
2132 		       data->temp_start);
2133 
2134 	return sprintf(buf, "%d\n", result);
2135 }
2136 
2137 static ssize_t store_pwm_auto_point_channel(struct device *dev,
2138 					    struct device_attribute *devattr,
2139 					    const char *buf, size_t count)
2140 {
2141 	struct f71882fg_data *data = dev_get_drvdata(dev);
2142 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2143 	long val;
2144 
2145 	err = kstrtol(buf, 10, &val);
2146 	if (err)
2147 		return err;
2148 
2149 	switch (val) {
2150 	case 1:
2151 		val = 0;
2152 		break;
2153 	case 2:
2154 		val = 1;
2155 		break;
2156 	case 4:
2157 		val = 2;
2158 		break;
2159 	default:
2160 		return -EINVAL;
2161 	}
2162 	val += data->temp_start;
2163 	mutex_lock(&data->update_lock);
2164 	data->pwm_auto_point_mapping[nr] =
2165 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2166 	val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
2167 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2168 	data->pwm_auto_point_mapping[nr] = val;
2169 	mutex_unlock(&data->update_lock);
2170 
2171 	return count;
2172 }
2173 
2174 static ssize_t show_pwm_auto_point_temp(struct device *dev,
2175 					struct device_attribute *devattr,
2176 					char *buf)
2177 {
2178 	int result;
2179 	struct f71882fg_data *data = f71882fg_update_device(dev);
2180 	int pwm = to_sensor_dev_attr_2(devattr)->index;
2181 	int point = to_sensor_dev_attr_2(devattr)->nr;
2182 
2183 	result = data->pwm_auto_point_temp[pwm][point];
2184 	return sprintf(buf, "%d\n", 1000 * result);
2185 }
2186 
2187 static ssize_t store_pwm_auto_point_temp(struct device *dev,
2188 					 struct device_attribute *devattr,
2189 					 const char *buf, size_t count)
2190 {
2191 	struct f71882fg_data *data = dev_get_drvdata(dev);
2192 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2193 	int point = to_sensor_dev_attr_2(devattr)->nr;
2194 	long val;
2195 
2196 	err = kstrtol(buf, 10, &val);
2197 	if (err)
2198 		return err;
2199 
2200 	val /= 1000;
2201 
2202 	if (data->auto_point_temp_signed)
2203 		val = clamp_val(val, -128, 127);
2204 	else
2205 		val = clamp_val(val, 0, 127);
2206 
2207 	mutex_lock(&data->update_lock);
2208 	f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
2209 	data->pwm_auto_point_temp[pwm][point] = val;
2210 	mutex_unlock(&data->update_lock);
2211 
2212 	return count;
2213 }
2214 
2215 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
2216 	char *buf)
2217 {
2218 	struct f71882fg_data *data = dev_get_drvdata(dev);
2219 	return sprintf(buf, "%s\n", f71882fg_names[data->type]);
2220 }
2221 
2222 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2223 	struct sensor_device_attribute_2 *attr, int count)
2224 {
2225 	int err, i;
2226 
2227 	for (i = 0; i < count; i++) {
2228 		err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2229 		if (err)
2230 			return err;
2231 	}
2232 	return 0;
2233 }
2234 
2235 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2236 	struct sensor_device_attribute_2 *attr, int count)
2237 {
2238 	int i;
2239 
2240 	for (i = 0; i < count; i++)
2241 		device_remove_file(&pdev->dev, &attr[i].dev_attr);
2242 }
2243 
2244 static int f71882fg_create_fan_sysfs_files(
2245 	struct platform_device *pdev, int idx)
2246 {
2247 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2248 	int err;
2249 
2250 	/* Sanity check the pwm setting */
2251 	err = 0;
2252 	switch (data->type) {
2253 	case f71858fg:
2254 		if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2255 			err = 1;
2256 		break;
2257 	case f71862fg:
2258 		if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2259 			err = 1;
2260 		break;
2261 	case f8000:
2262 		if (idx == 2)
2263 			err = data->pwm_enable & 0x20;
2264 		break;
2265 	default:
2266 		break;
2267 	}
2268 	if (err) {
2269 		dev_err(&pdev->dev,
2270 			"Invalid (reserved) pwm settings: 0x%02x, "
2271 			"skipping fan %d\n",
2272 			(data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2273 		return 0; /* This is a non fatal condition */
2274 	}
2275 
2276 	err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2277 					  ARRAY_SIZE(fxxxx_fan_attr[0]));
2278 	if (err)
2279 		return err;
2280 
2281 	if (f71882fg_fan_has_beep[data->type]) {
2282 		err = f71882fg_create_sysfs_files(pdev,
2283 						  &fxxxx_fan_beep_attr[idx],
2284 						  1);
2285 		if (err)
2286 			return err;
2287 	}
2288 
2289 	dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2290 		 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2291 
2292 	/* Check for unsupported auto pwm settings */
2293 	switch (data->type) {
2294 	case f71808e:
2295 	case f71808a:
2296 	case f71869:
2297 	case f71869a:
2298 	case f71889fg:
2299 	case f71889ed:
2300 	case f71889a:
2301 		data->pwm_auto_point_mapping[idx] =
2302 			f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2303 		if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2304 		    (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2305 			dev_warn(&pdev->dev,
2306 				 "Auto pwm controlled by raw digital "
2307 				 "data, disabling pwm auto_point "
2308 				 "sysfs attributes for fan %d\n", idx + 1);
2309 			return 0; /* This is a non fatal condition */
2310 		}
2311 		break;
2312 	default:
2313 		break;
2314 	}
2315 
2316 	switch (data->type) {
2317 	case f71862fg:
2318 		err = f71882fg_create_sysfs_files(pdev,
2319 					&f71862fg_auto_pwm_attr[idx][0],
2320 					ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2321 		break;
2322 	case f71808e:
2323 	case f71869:
2324 		err = f71882fg_create_sysfs_files(pdev,
2325 					&f71869_auto_pwm_attr[idx][0],
2326 					ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2327 		break;
2328 	case f8000:
2329 		err = f71882fg_create_sysfs_files(pdev,
2330 					&f8000_auto_pwm_attr[idx][0],
2331 					ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2332 		break;
2333 	default:
2334 		err = f71882fg_create_sysfs_files(pdev,
2335 					&fxxxx_auto_pwm_attr[idx][0],
2336 					ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2337 	}
2338 
2339 	return err;
2340 }
2341 
2342 static int f71882fg_probe(struct platform_device *pdev)
2343 {
2344 	struct f71882fg_data *data;
2345 	struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2346 	int nr_fans = f71882fg_nr_fans[sio_data->type];
2347 	int nr_temps = f71882fg_nr_temps[sio_data->type];
2348 	int err, i;
2349 	int size;
2350 	u8 start_reg, reg;
2351 
2352 	data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2353 			    GFP_KERNEL);
2354 	if (!data)
2355 		return -ENOMEM;
2356 
2357 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2358 	data->type = sio_data->type;
2359 	data->temp_start =
2360 	    (data->type == f71858fg || data->type == f8000 ||
2361 		data->type == f81866a) ? 0 : 1;
2362 	mutex_init(&data->update_lock);
2363 	platform_set_drvdata(pdev, data);
2364 
2365 	start_reg = f71882fg_read8(data, F71882FG_REG_START);
2366 	if (start_reg & 0x04) {
2367 		dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2368 		return -ENODEV;
2369 	}
2370 	if (!(start_reg & 0x03)) {
2371 		dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2372 		return -ENODEV;
2373 	}
2374 
2375 	/* Register sysfs interface files */
2376 	err = device_create_file(&pdev->dev, &dev_attr_name);
2377 	if (err)
2378 		goto exit_unregister_sysfs;
2379 
2380 	if (start_reg & 0x01) {
2381 		switch (data->type) {
2382 		case f71858fg:
2383 			data->temp_config =
2384 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2385 			if (data->temp_config & 0x10)
2386 				/*
2387 				 * The f71858fg temperature alarms behave as
2388 				 * the f8000 alarms in this mode
2389 				 */
2390 				err = f71882fg_create_sysfs_files(pdev,
2391 					f8000_temp_attr,
2392 					ARRAY_SIZE(f8000_temp_attr));
2393 			else
2394 				err = f71882fg_create_sysfs_files(pdev,
2395 					f71858fg_temp_attr,
2396 					ARRAY_SIZE(f71858fg_temp_attr));
2397 			break;
2398 		case f8000:
2399 			err = f71882fg_create_sysfs_files(pdev,
2400 					f8000_temp_attr,
2401 					ARRAY_SIZE(f8000_temp_attr));
2402 			break;
2403 		case f81866a:
2404 			err = f71882fg_create_sysfs_files(pdev,
2405 					f71858fg_temp_attr,
2406 					ARRAY_SIZE(f71858fg_temp_attr));
2407 			break;
2408 		default:
2409 			err = f71882fg_create_sysfs_files(pdev,
2410 				&fxxxx_temp_attr[0][0],
2411 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2412 		}
2413 		if (err)
2414 			goto exit_unregister_sysfs;
2415 
2416 		if (f71882fg_temp_has_beep[data->type]) {
2417 			if (data->type == f81866a) {
2418 				size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2419 				err = f71882fg_create_sysfs_files(pdev,
2420 						&f81866_temp_beep_attr[0][0],
2421 						size * nr_temps);
2422 
2423 			} else {
2424 				size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2425 				err = f71882fg_create_sysfs_files(pdev,
2426 						&fxxxx_temp_beep_attr[0][0],
2427 						size * nr_temps);
2428 			}
2429 			if (err)
2430 				goto exit_unregister_sysfs;
2431 		}
2432 
2433 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2434 			if (f71882fg_has_in[data->type][i]) {
2435 				err = device_create_file(&pdev->dev,
2436 						&fxxxx_in_attr[i].dev_attr);
2437 				if (err)
2438 					goto exit_unregister_sysfs;
2439 			}
2440 		}
2441 		if (f71882fg_has_in1_alarm[data->type]) {
2442 			err = f71882fg_create_sysfs_files(pdev,
2443 					fxxxx_in1_alarm_attr,
2444 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2445 			if (err)
2446 				goto exit_unregister_sysfs;
2447 		}
2448 	}
2449 
2450 	if (start_reg & 0x02) {
2451 		switch (data->type) {
2452 		case f71808e:
2453 		case f71808a:
2454 		case f71869:
2455 		case f71869a:
2456 			/* These always have signed auto point temps */
2457 			data->auto_point_temp_signed = 1;
2458 			/* Fall through - to select correct fan/pwm reg bank! */
2459 		case f71889fg:
2460 		case f71889ed:
2461 		case f71889a:
2462 			reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2463 			if (reg & F71882FG_FAN_NEG_TEMP_EN)
2464 				data->auto_point_temp_signed = 1;
2465 			/* Ensure banked pwm registers point to right bank */
2466 			reg &= ~F71882FG_FAN_PROG_SEL;
2467 			f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2468 			break;
2469 		default:
2470 			break;
2471 		}
2472 
2473 		data->pwm_enable =
2474 			f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2475 
2476 		for (i = 0; i < nr_fans; i++) {
2477 			err = f71882fg_create_fan_sysfs_files(pdev, i);
2478 			if (err)
2479 				goto exit_unregister_sysfs;
2480 		}
2481 
2482 		/* Some types have 1 extra fan with limited functionality */
2483 		switch (data->type) {
2484 		case f71808a:
2485 			err = f71882fg_create_sysfs_files(pdev,
2486 					f71808a_fan3_attr,
2487 					ARRAY_SIZE(f71808a_fan3_attr));
2488 			break;
2489 		case f8000:
2490 			err = f71882fg_create_sysfs_files(pdev,
2491 					f8000_fan_attr,
2492 					ARRAY_SIZE(f8000_fan_attr));
2493 			break;
2494 		default:
2495 			break;
2496 		}
2497 		if (err)
2498 			goto exit_unregister_sysfs;
2499 	}
2500 
2501 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
2502 	if (IS_ERR(data->hwmon_dev)) {
2503 		err = PTR_ERR(data->hwmon_dev);
2504 		data->hwmon_dev = NULL;
2505 		goto exit_unregister_sysfs;
2506 	}
2507 
2508 	return 0;
2509 
2510 exit_unregister_sysfs:
2511 	f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2512 	return err; /* f71882fg_remove() also frees our data */
2513 }
2514 
2515 static int f71882fg_remove(struct platform_device *pdev)
2516 {
2517 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2518 	int nr_fans = f71882fg_nr_fans[data->type];
2519 	int nr_temps = f71882fg_nr_temps[data->type];
2520 	int i;
2521 	u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2522 
2523 	if (data->hwmon_dev)
2524 		hwmon_device_unregister(data->hwmon_dev);
2525 
2526 	device_remove_file(&pdev->dev, &dev_attr_name);
2527 
2528 	if (start_reg & 0x01) {
2529 		switch (data->type) {
2530 		case f71858fg:
2531 			if (data->temp_config & 0x10)
2532 				f71882fg_remove_sysfs_files(pdev,
2533 					f8000_temp_attr,
2534 					ARRAY_SIZE(f8000_temp_attr));
2535 			else
2536 				f71882fg_remove_sysfs_files(pdev,
2537 					f71858fg_temp_attr,
2538 					ARRAY_SIZE(f71858fg_temp_attr));
2539 			break;
2540 		case f8000:
2541 			f71882fg_remove_sysfs_files(pdev,
2542 					f8000_temp_attr,
2543 					ARRAY_SIZE(f8000_temp_attr));
2544 			break;
2545 		case f81866a:
2546 			f71882fg_remove_sysfs_files(pdev,
2547 					f71858fg_temp_attr,
2548 					ARRAY_SIZE(f71858fg_temp_attr));
2549 			break;
2550 		default:
2551 			f71882fg_remove_sysfs_files(pdev,
2552 				&fxxxx_temp_attr[0][0],
2553 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2554 		}
2555 		if (f71882fg_temp_has_beep[data->type]) {
2556 			if (data->type == f81866a)
2557 				f71882fg_remove_sysfs_files(pdev,
2558 					&f81866_temp_beep_attr[0][0],
2559 					ARRAY_SIZE(f81866_temp_beep_attr[0])
2560 						* nr_temps);
2561 			else
2562 				f71882fg_remove_sysfs_files(pdev,
2563 					&fxxxx_temp_beep_attr[0][0],
2564 					ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2565 						* nr_temps);
2566 		}
2567 
2568 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2569 			if (f71882fg_has_in[data->type][i]) {
2570 				device_remove_file(&pdev->dev,
2571 						&fxxxx_in_attr[i].dev_attr);
2572 			}
2573 		}
2574 		if (f71882fg_has_in1_alarm[data->type]) {
2575 			f71882fg_remove_sysfs_files(pdev,
2576 					fxxxx_in1_alarm_attr,
2577 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2578 		}
2579 	}
2580 
2581 	if (start_reg & 0x02) {
2582 		f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2583 				ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2584 
2585 		if (f71882fg_fan_has_beep[data->type]) {
2586 			f71882fg_remove_sysfs_files(pdev,
2587 					fxxxx_fan_beep_attr, nr_fans);
2588 		}
2589 
2590 		switch (data->type) {
2591 		case f71808a:
2592 			f71882fg_remove_sysfs_files(pdev,
2593 				&fxxxx_auto_pwm_attr[0][0],
2594 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2595 			f71882fg_remove_sysfs_files(pdev,
2596 					f71808a_fan3_attr,
2597 					ARRAY_SIZE(f71808a_fan3_attr));
2598 			break;
2599 		case f71862fg:
2600 			f71882fg_remove_sysfs_files(pdev,
2601 				&f71862fg_auto_pwm_attr[0][0],
2602 				ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2603 					nr_fans);
2604 			break;
2605 		case f71808e:
2606 		case f71869:
2607 			f71882fg_remove_sysfs_files(pdev,
2608 				&f71869_auto_pwm_attr[0][0],
2609 				ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2610 			break;
2611 		case f8000:
2612 			f71882fg_remove_sysfs_files(pdev,
2613 					f8000_fan_attr,
2614 					ARRAY_SIZE(f8000_fan_attr));
2615 			f71882fg_remove_sysfs_files(pdev,
2616 				&f8000_auto_pwm_attr[0][0],
2617 				ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2618 			break;
2619 		default:
2620 			f71882fg_remove_sysfs_files(pdev,
2621 				&fxxxx_auto_pwm_attr[0][0],
2622 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2623 		}
2624 	}
2625 	return 0;
2626 }
2627 
2628 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2629 {
2630 	u16 devid;
2631 	unsigned short address;
2632 	int err = superio_enter(sioaddr);
2633 	if (err)
2634 		return err;
2635 
2636 	devid = superio_inw(sioaddr, SIO_REG_MANID);
2637 	if (devid != SIO_FINTEK_ID) {
2638 		pr_debug("Not a Fintek device\n");
2639 		err = -ENODEV;
2640 		goto exit;
2641 	}
2642 
2643 	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2644 	switch (devid) {
2645 	case SIO_F71808E_ID:
2646 		sio_data->type = f71808e;
2647 		break;
2648 	case SIO_F71808A_ID:
2649 		sio_data->type = f71808a;
2650 		break;
2651 	case SIO_F71858_ID:
2652 		sio_data->type = f71858fg;
2653 		break;
2654 	case SIO_F71862_ID:
2655 		sio_data->type = f71862fg;
2656 		break;
2657 	case SIO_F71868_ID:
2658 		sio_data->type = f71868a;
2659 		break;
2660 	case SIO_F71869_ID:
2661 		sio_data->type = f71869;
2662 		break;
2663 	case SIO_F71869A_ID:
2664 		sio_data->type = f71869a;
2665 		break;
2666 	case SIO_F71882_ID:
2667 		sio_data->type = f71882fg;
2668 		break;
2669 	case SIO_F71889_ID:
2670 		sio_data->type = f71889fg;
2671 		break;
2672 	case SIO_F71889E_ID:
2673 		sio_data->type = f71889ed;
2674 		break;
2675 	case SIO_F71889A_ID:
2676 		sio_data->type = f71889a;
2677 		break;
2678 	case SIO_F8000_ID:
2679 		sio_data->type = f8000;
2680 		break;
2681 	case SIO_F81768D_ID:
2682 		sio_data->type = f81768d;
2683 		break;
2684 	case SIO_F81865_ID:
2685 		sio_data->type = f81865f;
2686 		break;
2687 	case SIO_F81866_ID:
2688 		sio_data->type = f81866a;
2689 		break;
2690 	default:
2691 		pr_info("Unsupported Fintek device: %04x\n",
2692 			(unsigned int)devid);
2693 		err = -ENODEV;
2694 		goto exit;
2695 	}
2696 
2697 	if (sio_data->type == f71858fg)
2698 		superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2699 	else
2700 		superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2701 
2702 	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2703 		pr_warn("Device not activated\n");
2704 		err = -ENODEV;
2705 		goto exit;
2706 	}
2707 
2708 	address = superio_inw(sioaddr, SIO_REG_ADDR);
2709 	if (address == 0) {
2710 		pr_warn("Base address not set\n");
2711 		err = -ENODEV;
2712 		goto exit;
2713 	}
2714 	address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
2715 
2716 	err = address;
2717 	pr_info("Found %s chip at %#x, revision %d\n",
2718 		f71882fg_names[sio_data->type],	(unsigned int)address,
2719 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
2720 exit:
2721 	superio_exit(sioaddr);
2722 	return err;
2723 }
2724 
2725 static int __init f71882fg_device_add(int address,
2726 				      const struct f71882fg_sio_data *sio_data)
2727 {
2728 	struct resource res = {
2729 		.start	= address,
2730 		.end	= address + REGION_LENGTH - 1,
2731 		.flags	= IORESOURCE_IO,
2732 	};
2733 	int err;
2734 
2735 	f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2736 	if (!f71882fg_pdev)
2737 		return -ENOMEM;
2738 
2739 	res.name = f71882fg_pdev->name;
2740 	err = acpi_check_resource_conflict(&res);
2741 	if (err)
2742 		goto exit_device_put;
2743 
2744 	err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2745 	if (err) {
2746 		pr_err("Device resource addition failed\n");
2747 		goto exit_device_put;
2748 	}
2749 
2750 	err = platform_device_add_data(f71882fg_pdev, sio_data,
2751 				       sizeof(struct f71882fg_sio_data));
2752 	if (err) {
2753 		pr_err("Platform data allocation failed\n");
2754 		goto exit_device_put;
2755 	}
2756 
2757 	err = platform_device_add(f71882fg_pdev);
2758 	if (err) {
2759 		pr_err("Device addition failed\n");
2760 		goto exit_device_put;
2761 	}
2762 
2763 	return 0;
2764 
2765 exit_device_put:
2766 	platform_device_put(f71882fg_pdev);
2767 
2768 	return err;
2769 }
2770 
2771 static int __init f71882fg_init(void)
2772 {
2773 	int err;
2774 	int address;
2775 	struct f71882fg_sio_data sio_data;
2776 
2777 	memset(&sio_data, 0, sizeof(sio_data));
2778 
2779 	address = f71882fg_find(0x2e, &sio_data);
2780 	if (address < 0)
2781 		address = f71882fg_find(0x4e, &sio_data);
2782 	if (address < 0)
2783 		return address;
2784 
2785 	err = platform_driver_register(&f71882fg_driver);
2786 	if (err)
2787 		return err;
2788 
2789 	err = f71882fg_device_add(address, &sio_data);
2790 	if (err)
2791 		goto exit_driver;
2792 
2793 	return 0;
2794 
2795 exit_driver:
2796 	platform_driver_unregister(&f71882fg_driver);
2797 	return err;
2798 }
2799 
2800 static void __exit f71882fg_exit(void)
2801 {
2802 	platform_device_unregister(f71882fg_pdev);
2803 	platform_driver_unregister(&f71882fg_driver);
2804 }
2805 
2806 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2807 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2808 MODULE_LICENSE("GPL");
2809 
2810 module_init(f71882fg_init);
2811 module_exit(f71882fg_exit);
2812