xref: /openbmc/linux/drivers/hwmon/f71882fg.c (revision fb574682)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3  *   Copyright (C) 2006 by Hans Edgington <hans@edgington.nl>              *
4  *   Copyright (C) 2007-2011 Hans de Goede <hdegoede@redhat.com>           *
5  *                                                                         *
6  ***************************************************************************/
7 
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/slab.h>
13 #include <linux/jiffies.h>
14 #include <linux/platform_device.h>
15 #include <linux/hwmon.h>
16 #include <linux/hwmon-sysfs.h>
17 #include <linux/err.h>
18 #include <linux/mutex.h>
19 #include <linux/io.h>
20 #include <linux/acpi.h>
21 
22 #define DRVNAME "f71882fg"
23 
24 #define SIO_F71858FG_LD_HWM	0x02	/* Hardware monitor logical device */
25 #define SIO_F71882FG_LD_HWM	0x04	/* Hardware monitor logical device */
26 #define SIO_UNLOCK_KEY		0x87	/* Key to enable Super-I/O */
27 #define SIO_LOCK_KEY		0xAA	/* Key to disable Super-I/O */
28 
29 #define SIO_REG_LDSEL		0x07	/* Logical device select */
30 #define SIO_REG_DEVID		0x20	/* Device ID (2 bytes) */
31 #define SIO_REG_DEVREV		0x22	/* Device revision */
32 #define SIO_REG_MANID		0x23	/* Fintek ID (2 bytes) */
33 #define SIO_REG_ENABLE		0x30	/* Logical device enable */
34 #define SIO_REG_ADDR		0x60	/* Logical device address (2 bytes) */
35 
36 #define SIO_FINTEK_ID		0x1934	/* Manufacturers ID */
37 #define SIO_F71808E_ID		0x0901	/* Chipset ID */
38 #define SIO_F71808A_ID		0x1001	/* Chipset ID */
39 #define SIO_F71858_ID		0x0507  /* Chipset ID */
40 #define SIO_F71862_ID		0x0601	/* Chipset ID */
41 #define SIO_F71868_ID		0x1106	/* Chipset ID */
42 #define SIO_F71869_ID		0x0814	/* Chipset ID */
43 #define SIO_F71869A_ID		0x1007	/* Chipset ID */
44 #define SIO_F71882_ID		0x0541	/* Chipset ID */
45 #define SIO_F71889_ID		0x0723	/* Chipset ID */
46 #define SIO_F71889E_ID		0x0909	/* Chipset ID */
47 #define SIO_F71889A_ID		0x1005	/* Chipset ID */
48 #define SIO_F8000_ID		0x0581	/* Chipset ID */
49 #define SIO_F81768D_ID		0x1210	/* Chipset ID */
50 #define SIO_F81865_ID		0x0704	/* Chipset ID */
51 #define SIO_F81866_ID		0x1010	/* Chipset ID */
52 
53 #define REGION_LENGTH		8
54 #define ADDR_REG_OFFSET		5
55 #define DATA_REG_OFFSET		6
56 
57 #define F71882FG_REG_IN_STATUS		0x12 /* f7188x only */
58 #define F71882FG_REG_IN_BEEP		0x13 /* f7188x only */
59 #define F71882FG_REG_IN(nr)		(0x20  + (nr))
60 #define F71882FG_REG_IN1_HIGH		0x32 /* f7188x only */
61 
62 #define F81866_REG_IN_STATUS		0x16 /* F81866 only */
63 #define F81866_REG_IN_BEEP			0x17 /* F81866 only */
64 #define F81866_REG_IN1_HIGH		0x3a /* F81866 only */
65 
66 #define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
67 #define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
68 #define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
69 #define F71882FG_REG_FAN_STATUS		0x92
70 #define F71882FG_REG_FAN_BEEP		0x93
71 
72 #define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
73 #define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
74 #define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
75 #define F71882FG_REG_TEMP_STATUS	0x62
76 #define F71882FG_REG_TEMP_BEEP		0x63
77 #define F71882FG_REG_TEMP_CONFIG	0x69
78 #define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
79 #define F71882FG_REG_TEMP_TYPE		0x6B
80 #define F71882FG_REG_TEMP_DIODE_OPEN	0x6F
81 
82 #define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
83 #define F71882FG_REG_PWM_TYPE		0x94
84 #define F71882FG_REG_PWM_ENABLE		0x96
85 
86 #define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
87 
88 #define F71882FG_REG_FAN_FAULT_T	0x9F
89 #define F71882FG_FAN_NEG_TEMP_EN	0x20
90 #define F71882FG_FAN_PROG_SEL		0x80
91 
92 #define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
93 #define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
94 #define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))
95 
96 #define	F71882FG_REG_START		0x01
97 
98 #define F71882FG_MAX_INS		11
99 
100 #define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */
101 
102 static unsigned short force_id;
103 module_param(force_id, ushort, 0);
104 MODULE_PARM_DESC(force_id, "Override the detected device ID");
105 
106 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
107 	f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
108 	f81866a};
109 
110 static const char *const f71882fg_names[] = {
111 	"f71808e",
112 	"f71808a",
113 	"f71858fg",
114 	"f71862fg",
115 	"f71868a",
116 	"f71869", /* Both f71869f and f71869e, reg. compatible and same id */
117 	"f71869a",
118 	"f71882fg",
119 	"f71889fg", /* f81801u too, same id */
120 	"f71889ed",
121 	"f71889a",
122 	"f8000",
123 	"f81768d",
124 	"f81865f",
125 	"f81866a",
126 };
127 
128 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
129 	[f71808e]	= { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
130 	[f71808a]	= { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
131 	[f71858fg]	= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
132 	[f71862fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
133 	[f71868a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
134 	[f71869]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
135 	[f71869a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
136 	[f71882fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
137 	[f71889fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
138 	[f71889ed]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
139 	[f71889a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
140 	[f8000]		= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
141 	[f81768d]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
142 	[f81865f]	= { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
143 	[f81866a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
144 };
145 
146 static const char f71882fg_has_in1_alarm[] = {
147 	[f71808e]	= 0,
148 	[f71808a]	= 0,
149 	[f71858fg]	= 0,
150 	[f71862fg]	= 0,
151 	[f71868a]	= 0,
152 	[f71869]	= 0,
153 	[f71869a]	= 0,
154 	[f71882fg]	= 1,
155 	[f71889fg]	= 1,
156 	[f71889ed]	= 1,
157 	[f71889a]	= 1,
158 	[f8000]		= 0,
159 	[f81768d]	= 1,
160 	[f81865f]	= 1,
161 	[f81866a]	= 1,
162 };
163 
164 static const char f71882fg_fan_has_beep[] = {
165 	[f71808e]	= 0,
166 	[f71808a]	= 0,
167 	[f71858fg]	= 0,
168 	[f71862fg]	= 1,
169 	[f71868a]	= 1,
170 	[f71869]	= 1,
171 	[f71869a]	= 1,
172 	[f71882fg]	= 1,
173 	[f71889fg]	= 1,
174 	[f71889ed]	= 1,
175 	[f71889a]	= 1,
176 	[f8000]		= 0,
177 	[f81768d]	= 1,
178 	[f81865f]	= 1,
179 	[f81866a]	= 1,
180 };
181 
182 static const char f71882fg_nr_fans[] = {
183 	[f71808e]	= 3,
184 	[f71808a]	= 2, /* +1 fan which is monitor + simple pwm only */
185 	[f71858fg]	= 3,
186 	[f71862fg]	= 3,
187 	[f71868a]	= 3,
188 	[f71869]	= 3,
189 	[f71869a]	= 3,
190 	[f71882fg]	= 4,
191 	[f71889fg]	= 3,
192 	[f71889ed]	= 3,
193 	[f71889a]	= 3,
194 	[f8000]		= 3, /* +1 fan which is monitor only */
195 	[f81768d]	= 3,
196 	[f81865f]	= 2,
197 	[f81866a]	= 3,
198 };
199 
200 static const char f71882fg_temp_has_beep[] = {
201 	[f71808e]	= 0,
202 	[f71808a]	= 1,
203 	[f71858fg]	= 0,
204 	[f71862fg]	= 1,
205 	[f71868a]	= 1,
206 	[f71869]	= 1,
207 	[f71869a]	= 1,
208 	[f71882fg]	= 1,
209 	[f71889fg]	= 1,
210 	[f71889ed]	= 1,
211 	[f71889a]	= 1,
212 	[f8000]		= 0,
213 	[f81768d]	= 1,
214 	[f81865f]	= 1,
215 	[f81866a]	= 1,
216 };
217 
218 static const char f71882fg_nr_temps[] = {
219 	[f71808e]	= 2,
220 	[f71808a]	= 2,
221 	[f71858fg]	= 3,
222 	[f71862fg]	= 3,
223 	[f71868a]	= 3,
224 	[f71869]	= 3,
225 	[f71869a]	= 3,
226 	[f71882fg]	= 3,
227 	[f71889fg]	= 3,
228 	[f71889ed]	= 3,
229 	[f71889a]	= 3,
230 	[f8000]		= 3,
231 	[f81768d]	= 3,
232 	[f81865f]	= 2,
233 	[f81866a]	= 3,
234 };
235 
236 static struct platform_device *f71882fg_pdev;
237 
238 /* Super-I/O Function prototypes */
239 static inline int superio_inb(int base, int reg);
240 static inline int superio_inw(int base, int reg);
241 static inline int superio_enter(int base);
242 static inline void superio_select(int base, int ld);
243 static inline void superio_exit(int base);
244 
245 struct f71882fg_sio_data {
246 	enum chips type;
247 };
248 
249 struct f71882fg_data {
250 	unsigned short addr;
251 	enum chips type;
252 	struct device *hwmon_dev;
253 
254 	struct mutex update_lock;
255 	int temp_start;			/* temp numbering start (0 or 1) */
256 	char valid;			/* !=0 if following fields are valid */
257 	char auto_point_temp_signed;
258 	unsigned long last_updated;	/* In jiffies */
259 	unsigned long last_limits;	/* In jiffies */
260 
261 	/* Register Values */
262 	u8	in[F71882FG_MAX_INS];
263 	u8	in1_max;
264 	u8	in_status;
265 	u8	in_beep;
266 	u16	fan[4];
267 	u16	fan_target[4];
268 	u16	fan_full_speed[4];
269 	u8	fan_status;
270 	u8	fan_beep;
271 	/*
272 	 * Note: all models have max 3 temperature channels, but on some
273 	 * they are addressed as 0-2 and on others as 1-3, so for coding
274 	 * convenience we reserve space for 4 channels
275 	 */
276 	u16	temp[4];
277 	u8	temp_ovt[4];
278 	u8	temp_high[4];
279 	u8	temp_hyst[2]; /* 2 hysts stored per reg */
280 	u8	temp_type[4];
281 	u8	temp_status;
282 	u8	temp_beep;
283 	u8	temp_diode_open;
284 	u8	temp_config;
285 	u8	pwm[4];
286 	u8	pwm_enable;
287 	u8	pwm_auto_point_hyst[2];
288 	u8	pwm_auto_point_mapping[4];
289 	u8	pwm_auto_point_pwm[4][5];
290 	s8	pwm_auto_point_temp[4][4];
291 };
292 
293 /* Sysfs in */
294 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
295 	char *buf);
296 static ssize_t show_in_max(struct device *dev, struct device_attribute
297 	*devattr, char *buf);
298 static ssize_t store_in_max(struct device *dev, struct device_attribute
299 	*devattr, const char *buf, size_t count);
300 static ssize_t show_in_beep(struct device *dev, struct device_attribute
301 	*devattr, char *buf);
302 static ssize_t store_in_beep(struct device *dev, struct device_attribute
303 	*devattr, const char *buf, size_t count);
304 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
305 	*devattr, char *buf);
306 /* Sysfs Fan */
307 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
308 	char *buf);
309 static ssize_t show_fan_full_speed(struct device *dev,
310 	struct device_attribute *devattr, char *buf);
311 static ssize_t store_fan_full_speed(struct device *dev,
312 	struct device_attribute *devattr, const char *buf, size_t count);
313 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
314 	*devattr, char *buf);
315 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
316 	*devattr, const char *buf, size_t count);
317 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
318 	*devattr, char *buf);
319 /* Sysfs Temp */
320 static ssize_t show_temp(struct device *dev, struct device_attribute
321 	*devattr, char *buf);
322 static ssize_t show_temp_max(struct device *dev, struct device_attribute
323 	*devattr, char *buf);
324 static ssize_t store_temp_max(struct device *dev, struct device_attribute
325 	*devattr, const char *buf, size_t count);
326 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
327 	*devattr, char *buf);
328 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
329 	*devattr, const char *buf, size_t count);
330 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
331 	*devattr, char *buf);
332 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
333 	*devattr, const char *buf, size_t count);
334 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
335 	*devattr, char *buf);
336 static ssize_t show_temp_type(struct device *dev, struct device_attribute
337 	*devattr, char *buf);
338 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
339 	*devattr, char *buf);
340 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
341 	*devattr, const char *buf, size_t count);
342 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
343 	*devattr, char *buf);
344 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
345 	*devattr, char *buf);
346 /* PWM and Auto point control */
347 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
348 	char *buf);
349 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
350 	const char *buf, size_t count);
351 static ssize_t show_simple_pwm(struct device *dev,
352 	struct device_attribute *devattr, char *buf);
353 static ssize_t store_simple_pwm(struct device *dev,
354 	struct device_attribute *devattr, const char *buf, size_t count);
355 static ssize_t show_pwm_enable(struct device *dev,
356 	struct device_attribute *devattr, char *buf);
357 static ssize_t store_pwm_enable(struct device *dev,
358 	struct device_attribute	*devattr, const char *buf, size_t count);
359 static ssize_t show_pwm_interpolate(struct device *dev,
360 	struct device_attribute *devattr, char *buf);
361 static ssize_t store_pwm_interpolate(struct device *dev,
362 	struct device_attribute *devattr, const char *buf, size_t count);
363 static ssize_t show_pwm_auto_point_channel(struct device *dev,
364 	struct device_attribute *devattr, char *buf);
365 static ssize_t store_pwm_auto_point_channel(struct device *dev,
366 	struct device_attribute *devattr, const char *buf, size_t count);
367 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
368 	struct device_attribute *devattr, char *buf);
369 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
370 	struct device_attribute *devattr, const char *buf, size_t count);
371 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
372 	struct device_attribute *devattr, char *buf);
373 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
374 	struct device_attribute *devattr, const char *buf, size_t count);
375 static ssize_t show_pwm_auto_point_temp(struct device *dev,
376 	struct device_attribute *devattr, char *buf);
377 static ssize_t store_pwm_auto_point_temp(struct device *dev,
378 	struct device_attribute *devattr, const char *buf, size_t count);
379 /* Sysfs misc */
380 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
381 	char *buf);
382 
383 static int f71882fg_probe(struct platform_device *pdev);
384 static int f71882fg_remove(struct platform_device *pdev);
385 
386 static struct platform_driver f71882fg_driver = {
387 	.driver = {
388 		.name	= DRVNAME,
389 	},
390 	.probe		= f71882fg_probe,
391 	.remove		= f71882fg_remove,
392 };
393 
394 static DEVICE_ATTR_RO(name);
395 
396 /*
397  * Temp attr for the f71858fg, the f71858fg is special as it has its
398  * temperature indexes start at 0 (the others start at 1)
399  */
400 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
401 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
402 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
403 		store_temp_max, 0, 0),
404 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
405 		store_temp_max_hyst, 0, 0),
406 	SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
407 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
408 		store_temp_crit, 0, 0),
409 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
410 		0, 0),
411 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
412 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
413 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
414 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
415 		store_temp_max, 0, 1),
416 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
417 		store_temp_max_hyst, 0, 1),
418 	SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
419 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
420 		store_temp_crit, 0, 1),
421 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
422 		0, 1),
423 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
424 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
425 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
426 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
427 		store_temp_max, 0, 2),
428 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
429 		store_temp_max_hyst, 0, 2),
430 	SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
431 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
432 		store_temp_crit, 0, 2),
433 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
434 		0, 2),
435 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
436 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
437 };
438 
439 /* Temp attr for the standard models */
440 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
441 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
442 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
443 		store_temp_max, 0, 1),
444 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
445 		store_temp_max_hyst, 0, 1),
446 	/*
447 	 * Should really be temp1_max_alarm, but older versions did not handle
448 	 * the max and crit alarms separately and lm_sensors v2 depends on the
449 	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
450 	 */
451 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
452 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
453 		store_temp_crit, 0, 1),
454 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
455 		0, 1),
456 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
457 	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
458 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
459 }, {
460 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
461 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
462 		store_temp_max, 0, 2),
463 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
464 		store_temp_max_hyst, 0, 2),
465 	/* Should be temp2_max_alarm, see temp1_alarm note */
466 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
467 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
468 		store_temp_crit, 0, 2),
469 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
470 		0, 2),
471 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
472 	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
473 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
474 }, {
475 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
476 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
477 		store_temp_max, 0, 3),
478 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
479 		store_temp_max_hyst, 0, 3),
480 	/* Should be temp3_max_alarm, see temp1_alarm note */
481 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
482 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
483 		store_temp_crit, 0, 3),
484 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
485 		0, 3),
486 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
487 	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
488 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
489 } };
490 
491 /* Temp attr for models which can beep on temp alarm */
492 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
493 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
494 		store_temp_beep, 0, 1),
495 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
496 		store_temp_beep, 0, 5),
497 }, {
498 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
499 		store_temp_beep, 0, 2),
500 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
501 		store_temp_beep, 0, 6),
502 }, {
503 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
504 		store_temp_beep, 0, 3),
505 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
506 		store_temp_beep, 0, 7),
507 } };
508 
509 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
510 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
511 		store_temp_beep, 0, 0),
512 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
513 		store_temp_beep, 0, 4),
514 }, {
515 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
516 		store_temp_beep, 0, 1),
517 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
518 		store_temp_beep, 0, 5),
519 }, {
520 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
521 		store_temp_beep, 0, 2),
522 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
523 		store_temp_beep, 0, 6),
524 } };
525 
526 /*
527  * Temp attr for the f8000
528  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
529  * is used as hysteresis value to clear alarms
530  * Also like the f71858fg its temperature indexes start at 0
531  */
532 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
533 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
534 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
535 		store_temp_crit, 0, 0),
536 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
537 		store_temp_max, 0, 0),
538 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
539 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
540 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
541 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
542 		store_temp_crit, 0, 1),
543 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
544 		store_temp_max, 0, 1),
545 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
546 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
547 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
548 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
549 		store_temp_crit, 0, 2),
550 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
551 		store_temp_max, 0, 2),
552 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
553 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
554 };
555 
556 /* in attr for all models */
557 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
558 	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
559 	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
560 	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
561 	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
562 	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
563 	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
564 	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
565 	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
566 	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
567 	SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
568 	SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
569 };
570 
571 /* For models with in1 alarm capability */
572 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
573 	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
574 		0, 1),
575 	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
576 		0, 1),
577 	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
578 };
579 
580 /* Fan / PWM attr common to all models */
581 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
582 	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
583 	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
584 		      show_fan_full_speed,
585 		      store_fan_full_speed, 0, 0),
586 	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
587 	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
588 	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
589 		      store_pwm_enable, 0, 0),
590 	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
591 		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
592 }, {
593 	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
594 	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
595 		      show_fan_full_speed,
596 		      store_fan_full_speed, 0, 1),
597 	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
598 	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
599 	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
600 		      store_pwm_enable, 0, 1),
601 	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
602 		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
603 }, {
604 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
605 	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
606 		      show_fan_full_speed,
607 		      store_fan_full_speed, 0, 2),
608 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
609 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
610 	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
611 		      store_pwm_enable, 0, 2),
612 	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
613 		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
614 }, {
615 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
616 	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
617 		      show_fan_full_speed,
618 		      store_fan_full_speed, 0, 3),
619 	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
620 	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
621 	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
622 		      store_pwm_enable, 0, 3),
623 	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
624 		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
625 } };
626 
627 /* Attr for the third fan of the f71808a, which only has manual pwm */
628 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
629 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
630 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
631 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
632 		      show_simple_pwm, store_simple_pwm, 0, 2),
633 };
634 
635 /* Attr for models which can beep on Fan alarm */
636 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
637 	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
638 		store_fan_beep, 0, 0),
639 	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
640 		store_fan_beep, 0, 1),
641 	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
642 		store_fan_beep, 0, 2),
643 	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
644 		store_fan_beep, 0, 3),
645 };
646 
647 /*
648  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
649  * standard models
650  */
651 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
652 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
653 		      show_pwm_auto_point_channel,
654 		      store_pwm_auto_point_channel, 0, 0),
655 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
656 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
657 		      1, 0),
658 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
659 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
660 		      4, 0),
661 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
662 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
663 		      0, 0),
664 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
665 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
666 		      3, 0),
667 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
668 		      show_pwm_auto_point_temp_hyst,
669 		      store_pwm_auto_point_temp_hyst,
670 		      0, 0),
671 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
672 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
673 }, {
674 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
675 		      show_pwm_auto_point_channel,
676 		      store_pwm_auto_point_channel, 0, 1),
677 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
678 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
679 		      1, 1),
680 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
681 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
682 		      4, 1),
683 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
684 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
685 		      0, 1),
686 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
687 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
688 		      3, 1),
689 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
690 		      show_pwm_auto_point_temp_hyst,
691 		      store_pwm_auto_point_temp_hyst,
692 		      0, 1),
693 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
694 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
695 }, {
696 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
697 		      show_pwm_auto_point_channel,
698 		      store_pwm_auto_point_channel, 0, 2),
699 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
700 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
701 		      1, 2),
702 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
703 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
704 		      4, 2),
705 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
706 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
707 		      0, 2),
708 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
709 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
710 		      3, 2),
711 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
712 		      show_pwm_auto_point_temp_hyst,
713 		      store_pwm_auto_point_temp_hyst,
714 		      0, 2),
715 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
716 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
717 } };
718 
719 /*
720  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
721  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
722  * programmed instead of being hardcoded to 0xff
723  */
724 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
725 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
726 		      show_pwm_auto_point_channel,
727 		      store_pwm_auto_point_channel, 0, 0),
728 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
729 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
730 		      0, 0),
731 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
732 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
733 		      1, 0),
734 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
735 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
736 		      4, 0),
737 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
738 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
739 		      0, 0),
740 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
741 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
742 		      3, 0),
743 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
744 		      show_pwm_auto_point_temp_hyst,
745 		      store_pwm_auto_point_temp_hyst,
746 		      0, 0),
747 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
748 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
749 }, {
750 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
751 		      show_pwm_auto_point_channel,
752 		      store_pwm_auto_point_channel, 0, 1),
753 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
754 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
755 		      0, 1),
756 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
757 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
758 		      1, 1),
759 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
760 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
761 		      4, 1),
762 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
763 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
764 		      0, 1),
765 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
766 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
767 		      3, 1),
768 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
769 		      show_pwm_auto_point_temp_hyst,
770 		      store_pwm_auto_point_temp_hyst,
771 		      0, 1),
772 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
773 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
774 }, {
775 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
776 		      show_pwm_auto_point_channel,
777 		      store_pwm_auto_point_channel, 0, 2),
778 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
779 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
780 		      0, 2),
781 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
782 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
783 		      1, 2),
784 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
785 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
786 		      4, 2),
787 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
788 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
789 		      0, 2),
790 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
791 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
792 		      3, 2),
793 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
794 		      show_pwm_auto_point_temp_hyst,
795 		      store_pwm_auto_point_temp_hyst,
796 		      0, 2),
797 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
798 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
799 } };
800 
801 /* PWM attr for the standard models */
802 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
803 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
804 		      show_pwm_auto_point_channel,
805 		      store_pwm_auto_point_channel, 0, 0),
806 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
807 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
808 		      0, 0),
809 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
810 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
811 		      1, 0),
812 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
813 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
814 		      2, 0),
815 	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
816 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
817 		      3, 0),
818 	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
819 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
820 		      4, 0),
821 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
822 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
823 		      0, 0),
824 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
825 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
826 		      1, 0),
827 	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
828 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
829 		      2, 0),
830 	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
831 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
832 		      3, 0),
833 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
834 		      show_pwm_auto_point_temp_hyst,
835 		      store_pwm_auto_point_temp_hyst,
836 		      0, 0),
837 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
838 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
839 	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
840 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
841 	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
842 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
843 }, {
844 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
845 		      show_pwm_auto_point_channel,
846 		      store_pwm_auto_point_channel, 0, 1),
847 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
848 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
849 		      0, 1),
850 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
851 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
852 		      1, 1),
853 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
854 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
855 		      2, 1),
856 	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
857 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
858 		      3, 1),
859 	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
860 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
861 		      4, 1),
862 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
863 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
864 		      0, 1),
865 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
866 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
867 		      1, 1),
868 	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
869 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
870 		      2, 1),
871 	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
872 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
873 		      3, 1),
874 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
875 		      show_pwm_auto_point_temp_hyst,
876 		      store_pwm_auto_point_temp_hyst,
877 		      0, 1),
878 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
879 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
880 	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
881 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
882 	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
883 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
884 }, {
885 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
886 		      show_pwm_auto_point_channel,
887 		      store_pwm_auto_point_channel, 0, 2),
888 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
889 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
890 		      0, 2),
891 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
892 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
893 		      1, 2),
894 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
895 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
896 		      2, 2),
897 	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
898 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
899 		      3, 2),
900 	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
901 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
902 		      4, 2),
903 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
904 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
905 		      0, 2),
906 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
907 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
908 		      1, 2),
909 	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
910 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
911 		      2, 2),
912 	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
913 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
914 		      3, 2),
915 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
916 		      show_pwm_auto_point_temp_hyst,
917 		      store_pwm_auto_point_temp_hyst,
918 		      0, 2),
919 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
920 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
921 	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
922 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
923 	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
924 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
925 }, {
926 	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
927 		      show_pwm_auto_point_channel,
928 		      store_pwm_auto_point_channel, 0, 3),
929 	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
930 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
931 		      0, 3),
932 	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
933 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
934 		      1, 3),
935 	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
936 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
937 		      2, 3),
938 	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
939 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
940 		      3, 3),
941 	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
942 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
943 		      4, 3),
944 	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
945 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
946 		      0, 3),
947 	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
948 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
949 		      1, 3),
950 	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
951 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
952 		      2, 3),
953 	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
954 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
955 		      3, 3),
956 	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
957 		      show_pwm_auto_point_temp_hyst,
958 		      store_pwm_auto_point_temp_hyst,
959 		      0, 3),
960 	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
961 		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
962 	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
963 		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
964 	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
965 		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
966 } };
967 
968 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
969 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
970 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
971 };
972 
973 /*
974  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
975  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
976  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
977  */
978 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
979 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
980 		      show_pwm_auto_point_channel,
981 		      store_pwm_auto_point_channel, 0, 0),
982 	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
983 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
984 		      0, 2),
985 	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
986 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
987 		      1, 2),
988 	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
989 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
990 		      2, 2),
991 	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
992 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
993 		      3, 2),
994 	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
995 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
996 		      4, 2),
997 	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
998 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
999 		      0, 2),
1000 	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1001 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1002 		      1, 2),
1003 	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1004 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1005 		      2, 2),
1006 	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1007 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1008 		      3, 2),
1009 	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1010 		      show_pwm_auto_point_temp_hyst,
1011 		      store_pwm_auto_point_temp_hyst,
1012 		      0, 2),
1013 	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1014 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1015 	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1016 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1017 	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1018 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1019 }, {
1020 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1021 		      show_pwm_auto_point_channel,
1022 		      store_pwm_auto_point_channel, 0, 1),
1023 	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1024 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1025 		      0, 0),
1026 	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1027 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1028 		      1, 0),
1029 	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1030 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1031 		      2, 0),
1032 	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1033 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1034 		      3, 0),
1035 	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1036 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1037 		      4, 0),
1038 	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1039 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1040 		      0, 0),
1041 	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
1042 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1043 		      1, 0),
1044 	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
1045 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1046 		      2, 0),
1047 	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
1048 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1049 		      3, 0),
1050 	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1051 		      show_pwm_auto_point_temp_hyst,
1052 		      store_pwm_auto_point_temp_hyst,
1053 		      0, 0),
1054 	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
1055 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1056 	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
1057 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1058 	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
1059 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1060 }, {
1061 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1062 		      show_pwm_auto_point_channel,
1063 		      store_pwm_auto_point_channel, 0, 2),
1064 	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1065 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1066 		      0, 1),
1067 	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1068 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1069 		      1, 1),
1070 	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1071 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1072 		      2, 1),
1073 	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1074 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1075 		      3, 1),
1076 	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1077 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1078 		      4, 1),
1079 	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
1080 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1081 		      0, 1),
1082 	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
1083 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1084 		      1, 1),
1085 	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
1086 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1087 		      2, 1),
1088 	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
1089 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1090 		      3, 1),
1091 	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1092 		      show_pwm_auto_point_temp_hyst,
1093 		      store_pwm_auto_point_temp_hyst,
1094 		      0, 1),
1095 	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
1096 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1097 	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
1098 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1099 	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
1100 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1101 } };
1102 
1103 /* Super I/O functions */
1104 static inline int superio_inb(int base, int reg)
1105 {
1106 	outb(reg, base);
1107 	return inb(base + 1);
1108 }
1109 
1110 static int superio_inw(int base, int reg)
1111 {
1112 	int val;
1113 	val  = superio_inb(base, reg) << 8;
1114 	val |= superio_inb(base, reg + 1);
1115 	return val;
1116 }
1117 
1118 static inline int superio_enter(int base)
1119 {
1120 	/* Don't step on other drivers' I/O space by accident */
1121 	if (!request_muxed_region(base, 2, DRVNAME)) {
1122 		pr_err("I/O address 0x%04x already in use\n", base);
1123 		return -EBUSY;
1124 	}
1125 
1126 	/* according to the datasheet the key must be send twice! */
1127 	outb(SIO_UNLOCK_KEY, base);
1128 	outb(SIO_UNLOCK_KEY, base);
1129 
1130 	return 0;
1131 }
1132 
1133 static inline void superio_select(int base, int ld)
1134 {
1135 	outb(SIO_REG_LDSEL, base);
1136 	outb(ld, base + 1);
1137 }
1138 
1139 static inline void superio_exit(int base)
1140 {
1141 	outb(SIO_LOCK_KEY, base);
1142 	release_region(base, 2);
1143 }
1144 
1145 static inline int fan_from_reg(u16 reg)
1146 {
1147 	return reg ? (1500000 / reg) : 0;
1148 }
1149 
1150 static inline u16 fan_to_reg(int fan)
1151 {
1152 	return fan ? (1500000 / fan) : 0;
1153 }
1154 
1155 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
1156 {
1157 	u8 val;
1158 
1159 	outb(reg, data->addr + ADDR_REG_OFFSET);
1160 	val = inb(data->addr + DATA_REG_OFFSET);
1161 
1162 	return val;
1163 }
1164 
1165 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
1166 {
1167 	u16 val;
1168 
1169 	val  = f71882fg_read8(data, reg) << 8;
1170 	val |= f71882fg_read8(data, reg + 1);
1171 
1172 	return val;
1173 }
1174 
1175 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
1176 {
1177 	outb(reg, data->addr + ADDR_REG_OFFSET);
1178 	outb(val, data->addr + DATA_REG_OFFSET);
1179 }
1180 
1181 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
1182 {
1183 	f71882fg_write8(data, reg,     val >> 8);
1184 	f71882fg_write8(data, reg + 1, val & 0xff);
1185 }
1186 
1187 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
1188 {
1189 	if (data->type == f71858fg)
1190 		return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
1191 	else
1192 		return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
1193 }
1194 
1195 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
1196 {
1197 	struct f71882fg_data *data = dev_get_drvdata(dev);
1198 	int nr_fans = f71882fg_nr_fans[data->type];
1199 	int nr_temps = f71882fg_nr_temps[data->type];
1200 	int nr, reg, point;
1201 
1202 	mutex_lock(&data->update_lock);
1203 
1204 	/* Update once every 60 seconds */
1205 	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
1206 			!data->valid) {
1207 		if (f71882fg_has_in1_alarm[data->type]) {
1208 			if (data->type == f81866a) {
1209 				data->in1_max =
1210 					f71882fg_read8(data,
1211 						       F81866_REG_IN1_HIGH);
1212 				data->in_beep =
1213 					f71882fg_read8(data,
1214 						       F81866_REG_IN_BEEP);
1215 			} else {
1216 				data->in1_max =
1217 					f71882fg_read8(data,
1218 						       F71882FG_REG_IN1_HIGH);
1219 				data->in_beep =
1220 					f71882fg_read8(data,
1221 						       F71882FG_REG_IN_BEEP);
1222 			}
1223 		}
1224 
1225 		/* Get High & boundary temps*/
1226 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1227 									nr++) {
1228 			data->temp_ovt[nr] = f71882fg_read8(data,
1229 						F71882FG_REG_TEMP_OVT(nr));
1230 			data->temp_high[nr] = f71882fg_read8(data,
1231 						F71882FG_REG_TEMP_HIGH(nr));
1232 		}
1233 
1234 		if (data->type != f8000) {
1235 			data->temp_hyst[0] = f71882fg_read8(data,
1236 						F71882FG_REG_TEMP_HYST(0));
1237 			data->temp_hyst[1] = f71882fg_read8(data,
1238 						F71882FG_REG_TEMP_HYST(1));
1239 		}
1240 		/* All but the f71858fg / f8000 have this register */
1241 		if ((data->type != f71858fg) && (data->type != f8000)) {
1242 			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
1243 			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
1244 			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
1245 			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
1246 		}
1247 
1248 		if (f71882fg_fan_has_beep[data->type])
1249 			data->fan_beep = f71882fg_read8(data,
1250 						F71882FG_REG_FAN_BEEP);
1251 
1252 		if (f71882fg_temp_has_beep[data->type])
1253 			data->temp_beep = f71882fg_read8(data,
1254 						F71882FG_REG_TEMP_BEEP);
1255 
1256 		data->pwm_enable = f71882fg_read8(data,
1257 						  F71882FG_REG_PWM_ENABLE);
1258 		data->pwm_auto_point_hyst[0] =
1259 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
1260 		data->pwm_auto_point_hyst[1] =
1261 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
1262 
1263 		for (nr = 0; nr < nr_fans; nr++) {
1264 			data->pwm_auto_point_mapping[nr] =
1265 			    f71882fg_read8(data,
1266 					   F71882FG_REG_POINT_MAPPING(nr));
1267 
1268 			switch (data->type) {
1269 			default:
1270 				for (point = 0; point < 5; point++) {
1271 					data->pwm_auto_point_pwm[nr][point] =
1272 						f71882fg_read8(data,
1273 							F71882FG_REG_POINT_PWM
1274 							(nr, point));
1275 				}
1276 				for (point = 0; point < 4; point++) {
1277 					data->pwm_auto_point_temp[nr][point] =
1278 						f71882fg_read8(data,
1279 							F71882FG_REG_POINT_TEMP
1280 							(nr, point));
1281 				}
1282 				break;
1283 			case f71808e:
1284 			case f71869:
1285 				data->pwm_auto_point_pwm[nr][0] =
1286 					f71882fg_read8(data,
1287 						F71882FG_REG_POINT_PWM(nr, 0));
1288 				/* Fall through */
1289 			case f71862fg:
1290 				data->pwm_auto_point_pwm[nr][1] =
1291 					f71882fg_read8(data,
1292 						F71882FG_REG_POINT_PWM
1293 						(nr, 1));
1294 				data->pwm_auto_point_pwm[nr][4] =
1295 					f71882fg_read8(data,
1296 						F71882FG_REG_POINT_PWM
1297 						(nr, 4));
1298 				data->pwm_auto_point_temp[nr][0] =
1299 					f71882fg_read8(data,
1300 						F71882FG_REG_POINT_TEMP
1301 						(nr, 0));
1302 				data->pwm_auto_point_temp[nr][3] =
1303 					f71882fg_read8(data,
1304 						F71882FG_REG_POINT_TEMP
1305 						(nr, 3));
1306 				break;
1307 			}
1308 		}
1309 		data->last_limits = jiffies;
1310 	}
1311 
1312 	/* Update every second */
1313 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
1314 		data->temp_status = f71882fg_read8(data,
1315 						F71882FG_REG_TEMP_STATUS);
1316 		data->temp_diode_open = f71882fg_read8(data,
1317 						F71882FG_REG_TEMP_DIODE_OPEN);
1318 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1319 									nr++)
1320 			data->temp[nr] = f71882fg_read_temp(data, nr);
1321 
1322 		data->fan_status = f71882fg_read8(data,
1323 						F71882FG_REG_FAN_STATUS);
1324 		for (nr = 0; nr < nr_fans; nr++) {
1325 			data->fan[nr] = f71882fg_read16(data,
1326 						F71882FG_REG_FAN(nr));
1327 			data->fan_target[nr] =
1328 			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
1329 			data->fan_full_speed[nr] =
1330 			    f71882fg_read16(data,
1331 					    F71882FG_REG_FAN_FULL_SPEED(nr));
1332 			data->pwm[nr] =
1333 			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
1334 		}
1335 		/* Some models have 1 more fan with limited capabilities */
1336 		if (data->type == f71808a) {
1337 			data->fan[2] = f71882fg_read16(data,
1338 						F71882FG_REG_FAN(2));
1339 			data->pwm[2] = f71882fg_read8(data,
1340 							F71882FG_REG_PWM(2));
1341 		}
1342 		if (data->type == f8000)
1343 			data->fan[3] = f71882fg_read16(data,
1344 						F71882FG_REG_FAN(3));
1345 
1346 		if (f71882fg_has_in1_alarm[data->type]) {
1347 			if (data->type == f81866a)
1348 				data->in_status = f71882fg_read8(data,
1349 						F81866_REG_IN_STATUS);
1350 
1351 			else
1352 				data->in_status = f71882fg_read8(data,
1353 						F71882FG_REG_IN_STATUS);
1354 		}
1355 
1356 		for (nr = 0; nr < F71882FG_MAX_INS; nr++)
1357 			if (f71882fg_has_in[data->type][nr])
1358 				data->in[nr] = f71882fg_read8(data,
1359 							F71882FG_REG_IN(nr));
1360 
1361 		data->last_updated = jiffies;
1362 		data->valid = 1;
1363 	}
1364 
1365 	mutex_unlock(&data->update_lock);
1366 
1367 	return data;
1368 }
1369 
1370 /* Sysfs Interface */
1371 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1372 	char *buf)
1373 {
1374 	struct f71882fg_data *data = f71882fg_update_device(dev);
1375 	int nr = to_sensor_dev_attr_2(devattr)->index;
1376 	int speed = fan_from_reg(data->fan[nr]);
1377 
1378 	if (speed == FAN_MIN_DETECT)
1379 		speed = 0;
1380 
1381 	return sprintf(buf, "%d\n", speed);
1382 }
1383 
1384 static ssize_t show_fan_full_speed(struct device *dev,
1385 				   struct device_attribute *devattr, 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_full_speed[nr]);
1390 	return sprintf(buf, "%d\n", speed);
1391 }
1392 
1393 static ssize_t store_fan_full_speed(struct device *dev,
1394 				    struct device_attribute *devattr,
1395 				    const char *buf, size_t count)
1396 {
1397 	struct f71882fg_data *data = dev_get_drvdata(dev);
1398 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1399 	long val;
1400 
1401 	err = kstrtol(buf, 10, &val);
1402 	if (err)
1403 		return err;
1404 
1405 	val = clamp_val(val, 23, 1500000);
1406 	val = fan_to_reg(val);
1407 
1408 	mutex_lock(&data->update_lock);
1409 	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1410 	data->fan_full_speed[nr] = val;
1411 	mutex_unlock(&data->update_lock);
1412 
1413 	return count;
1414 }
1415 
1416 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1417 	*devattr, char *buf)
1418 {
1419 	struct f71882fg_data *data = f71882fg_update_device(dev);
1420 	int nr = to_sensor_dev_attr_2(devattr)->index;
1421 
1422 	if (data->fan_beep & (1 << nr))
1423 		return sprintf(buf, "1\n");
1424 	else
1425 		return sprintf(buf, "0\n");
1426 }
1427 
1428 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1429 	*devattr, const char *buf, size_t count)
1430 {
1431 	struct f71882fg_data *data = dev_get_drvdata(dev);
1432 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1433 	unsigned long val;
1434 
1435 	err = kstrtoul(buf, 10, &val);
1436 	if (err)
1437 		return err;
1438 
1439 	mutex_lock(&data->update_lock);
1440 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1441 	if (val)
1442 		data->fan_beep |= 1 << nr;
1443 	else
1444 		data->fan_beep &= ~(1 << nr);
1445 
1446 	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1447 	mutex_unlock(&data->update_lock);
1448 
1449 	return count;
1450 }
1451 
1452 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1453 	*devattr, char *buf)
1454 {
1455 	struct f71882fg_data *data = f71882fg_update_device(dev);
1456 	int nr = to_sensor_dev_attr_2(devattr)->index;
1457 
1458 	if (data->fan_status & (1 << nr))
1459 		return sprintf(buf, "1\n");
1460 	else
1461 		return sprintf(buf, "0\n");
1462 }
1463 
1464 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
1465 	char *buf)
1466 {
1467 	struct f71882fg_data *data = f71882fg_update_device(dev);
1468 	int nr = to_sensor_dev_attr_2(devattr)->index;
1469 
1470 	return sprintf(buf, "%d\n", data->in[nr] * 8);
1471 }
1472 
1473 static ssize_t show_in_max(struct device *dev, struct device_attribute
1474 	*devattr, char *buf)
1475 {
1476 	struct f71882fg_data *data = f71882fg_update_device(dev);
1477 
1478 	return sprintf(buf, "%d\n", data->in1_max * 8);
1479 }
1480 
1481 static ssize_t store_in_max(struct device *dev, struct device_attribute
1482 	*devattr, const char *buf, size_t count)
1483 {
1484 	struct f71882fg_data *data = dev_get_drvdata(dev);
1485 	int err;
1486 	long val;
1487 
1488 	err = kstrtol(buf, 10, &val);
1489 	if (err)
1490 		return err;
1491 
1492 	val /= 8;
1493 	val = clamp_val(val, 0, 255);
1494 
1495 	mutex_lock(&data->update_lock);
1496 	if (data->type == f81866a)
1497 		f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
1498 	else
1499 		f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
1500 	data->in1_max = val;
1501 	mutex_unlock(&data->update_lock);
1502 
1503 	return count;
1504 }
1505 
1506 static ssize_t show_in_beep(struct device *dev, struct device_attribute
1507 	*devattr, char *buf)
1508 {
1509 	struct f71882fg_data *data = f71882fg_update_device(dev);
1510 	int nr = to_sensor_dev_attr_2(devattr)->index;
1511 
1512 	if (data->in_beep & (1 << nr))
1513 		return sprintf(buf, "1\n");
1514 	else
1515 		return sprintf(buf, "0\n");
1516 }
1517 
1518 static ssize_t store_in_beep(struct device *dev, struct device_attribute
1519 	*devattr, const char *buf, size_t count)
1520 {
1521 	struct f71882fg_data *data = dev_get_drvdata(dev);
1522 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1523 	unsigned long val;
1524 
1525 	err = kstrtoul(buf, 10, &val);
1526 	if (err)
1527 		return err;
1528 
1529 	mutex_lock(&data->update_lock);
1530 	if (data->type == f81866a)
1531 		data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
1532 	else
1533 		data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1534 
1535 	if (val)
1536 		data->in_beep |= 1 << nr;
1537 	else
1538 		data->in_beep &= ~(1 << nr);
1539 
1540 	if (data->type == f81866a)
1541 		f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1542 	else
1543 		f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1544 	mutex_unlock(&data->update_lock);
1545 
1546 	return count;
1547 }
1548 
1549 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1550 	*devattr, char *buf)
1551 {
1552 	struct f71882fg_data *data = f71882fg_update_device(dev);
1553 	int nr = to_sensor_dev_attr_2(devattr)->index;
1554 
1555 	if (data->in_status & (1 << nr))
1556 		return sprintf(buf, "1\n");
1557 	else
1558 		return sprintf(buf, "0\n");
1559 }
1560 
1561 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
1562 	char *buf)
1563 {
1564 	struct f71882fg_data *data = f71882fg_update_device(dev);
1565 	int nr = to_sensor_dev_attr_2(devattr)->index;
1566 	int sign, temp;
1567 
1568 	if (data->type == f71858fg) {
1569 		/* TEMP_TABLE_SEL 1 or 3 ? */
1570 		if (data->temp_config & 1) {
1571 			sign = data->temp[nr] & 0x0001;
1572 			temp = (data->temp[nr] >> 5) & 0x7ff;
1573 		} else {
1574 			sign = data->temp[nr] & 0x8000;
1575 			temp = (data->temp[nr] >> 5) & 0x3ff;
1576 		}
1577 		temp *= 125;
1578 		if (sign)
1579 			temp -= 128000;
1580 	} else
1581 		temp = data->temp[nr] * 1000;
1582 
1583 	return sprintf(buf, "%d\n", temp);
1584 }
1585 
1586 static ssize_t show_temp_max(struct device *dev, struct device_attribute
1587 	*devattr, char *buf)
1588 {
1589 	struct f71882fg_data *data = f71882fg_update_device(dev);
1590 	int nr = to_sensor_dev_attr_2(devattr)->index;
1591 
1592 	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
1593 }
1594 
1595 static ssize_t store_temp_max(struct device *dev, struct device_attribute
1596 	*devattr, const char *buf, size_t count)
1597 {
1598 	struct f71882fg_data *data = dev_get_drvdata(dev);
1599 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1600 	long val;
1601 
1602 	err = kstrtol(buf, 10, &val);
1603 	if (err)
1604 		return err;
1605 
1606 	val /= 1000;
1607 	val = clamp_val(val, 0, 255);
1608 
1609 	mutex_lock(&data->update_lock);
1610 	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1611 	data->temp_high[nr] = val;
1612 	mutex_unlock(&data->update_lock);
1613 
1614 	return count;
1615 }
1616 
1617 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1618 	*devattr, char *buf)
1619 {
1620 	struct f71882fg_data *data = f71882fg_update_device(dev);
1621 	int nr = to_sensor_dev_attr_2(devattr)->index;
1622 	int temp_max_hyst;
1623 
1624 	mutex_lock(&data->update_lock);
1625 	if (nr & 1)
1626 		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
1627 	else
1628 		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
1629 	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1630 	mutex_unlock(&data->update_lock);
1631 
1632 	return sprintf(buf, "%d\n", temp_max_hyst);
1633 }
1634 
1635 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1636 	*devattr, const char *buf, size_t count)
1637 {
1638 	struct f71882fg_data *data = dev_get_drvdata(dev);
1639 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1640 	ssize_t ret = count;
1641 	u8 reg;
1642 	long val;
1643 
1644 	err = kstrtol(buf, 10, &val);
1645 	if (err)
1646 		return err;
1647 
1648 	val /= 1000;
1649 
1650 	mutex_lock(&data->update_lock);
1651 
1652 	/* convert abs to relative and check */
1653 	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1654 	val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
1655 	val = data->temp_high[nr] - val;
1656 
1657 	/* convert value to register contents */
1658 	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
1659 	if (nr & 1)
1660 		reg = (reg & 0x0f) | (val << 4);
1661 	else
1662 		reg = (reg & 0xf0) | val;
1663 	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
1664 	data->temp_hyst[nr / 2] = reg;
1665 
1666 	mutex_unlock(&data->update_lock);
1667 	return ret;
1668 }
1669 
1670 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1671 	*devattr, char *buf)
1672 {
1673 	struct f71882fg_data *data = f71882fg_update_device(dev);
1674 	int nr = to_sensor_dev_attr_2(devattr)->index;
1675 
1676 	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1677 }
1678 
1679 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1680 	*devattr, const char *buf, size_t count)
1681 {
1682 	struct f71882fg_data *data = dev_get_drvdata(dev);
1683 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1684 	long val;
1685 
1686 	err = kstrtol(buf, 10, &val);
1687 	if (err)
1688 		return err;
1689 
1690 	val /= 1000;
1691 	val = clamp_val(val, 0, 255);
1692 
1693 	mutex_lock(&data->update_lock);
1694 	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1695 	data->temp_ovt[nr] = val;
1696 	mutex_unlock(&data->update_lock);
1697 
1698 	return count;
1699 }
1700 
1701 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1702 	*devattr, char *buf)
1703 {
1704 	struct f71882fg_data *data = f71882fg_update_device(dev);
1705 	int nr = to_sensor_dev_attr_2(devattr)->index;
1706 	int temp_crit_hyst;
1707 
1708 	mutex_lock(&data->update_lock);
1709 	if (nr & 1)
1710 		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
1711 	else
1712 		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
1713 	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1714 	mutex_unlock(&data->update_lock);
1715 
1716 	return sprintf(buf, "%d\n", temp_crit_hyst);
1717 }
1718 
1719 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1720 	*devattr, char *buf)
1721 {
1722 	struct f71882fg_data *data = f71882fg_update_device(dev);
1723 	int nr = to_sensor_dev_attr_2(devattr)->index;
1724 
1725 	return sprintf(buf, "%d\n", data->temp_type[nr]);
1726 }
1727 
1728 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1729 	*devattr, char *buf)
1730 {
1731 	struct f71882fg_data *data = f71882fg_update_device(dev);
1732 	int nr = to_sensor_dev_attr_2(devattr)->index;
1733 
1734 	if (data->temp_beep & (1 << nr))
1735 		return sprintf(buf, "1\n");
1736 	else
1737 		return sprintf(buf, "0\n");
1738 }
1739 
1740 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1741 	*devattr, const char *buf, size_t count)
1742 {
1743 	struct f71882fg_data *data = dev_get_drvdata(dev);
1744 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1745 	unsigned long val;
1746 
1747 	err = kstrtoul(buf, 10, &val);
1748 	if (err)
1749 		return err;
1750 
1751 	mutex_lock(&data->update_lock);
1752 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1753 	if (val)
1754 		data->temp_beep |= 1 << nr;
1755 	else
1756 		data->temp_beep &= ~(1 << nr);
1757 
1758 	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1759 	mutex_unlock(&data->update_lock);
1760 
1761 	return count;
1762 }
1763 
1764 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1765 	*devattr, char *buf)
1766 {
1767 	struct f71882fg_data *data = f71882fg_update_device(dev);
1768 	int nr = to_sensor_dev_attr_2(devattr)->index;
1769 
1770 	if (data->temp_status & (1 << nr))
1771 		return sprintf(buf, "1\n");
1772 	else
1773 		return sprintf(buf, "0\n");
1774 }
1775 
1776 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1777 	*devattr, char *buf)
1778 {
1779 	struct f71882fg_data *data = f71882fg_update_device(dev);
1780 	int nr = to_sensor_dev_attr_2(devattr)->index;
1781 
1782 	if (data->temp_diode_open & (1 << nr))
1783 		return sprintf(buf, "1\n");
1784 	else
1785 		return sprintf(buf, "0\n");
1786 }
1787 
1788 static ssize_t show_pwm(struct device *dev,
1789 			struct device_attribute *devattr, char *buf)
1790 {
1791 	struct f71882fg_data *data = f71882fg_update_device(dev);
1792 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1793 	mutex_lock(&data->update_lock);
1794 	if (data->pwm_enable & (1 << (2 * nr)))
1795 		/* PWM mode */
1796 		val = data->pwm[nr];
1797 	else {
1798 		/* RPM mode */
1799 		val = 255 * fan_from_reg(data->fan_target[nr])
1800 			/ fan_from_reg(data->fan_full_speed[nr]);
1801 	}
1802 	mutex_unlock(&data->update_lock);
1803 	return sprintf(buf, "%d\n", val);
1804 }
1805 
1806 static ssize_t store_pwm(struct device *dev,
1807 			 struct device_attribute *devattr, const char *buf,
1808 			 size_t count)
1809 {
1810 	struct f71882fg_data *data = dev_get_drvdata(dev);
1811 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1812 	long val;
1813 
1814 	err = kstrtol(buf, 10, &val);
1815 	if (err)
1816 		return err;
1817 
1818 	val = clamp_val(val, 0, 255);
1819 
1820 	mutex_lock(&data->update_lock);
1821 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1822 	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1823 	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1824 		count = -EROFS;
1825 		goto leave;
1826 	}
1827 	if (data->pwm_enable & (1 << (2 * nr))) {
1828 		/* PWM mode */
1829 		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1830 		data->pwm[nr] = val;
1831 	} else {
1832 		/* RPM mode */
1833 		int target, full_speed;
1834 		full_speed = f71882fg_read16(data,
1835 					     F71882FG_REG_FAN_FULL_SPEED(nr));
1836 		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1837 		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1838 		data->fan_target[nr] = target;
1839 		data->fan_full_speed[nr] = full_speed;
1840 	}
1841 leave:
1842 	mutex_unlock(&data->update_lock);
1843 
1844 	return count;
1845 }
1846 
1847 static ssize_t show_simple_pwm(struct device *dev,
1848 			       struct device_attribute *devattr, char *buf)
1849 {
1850 	struct f71882fg_data *data = f71882fg_update_device(dev);
1851 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1852 
1853 	val = data->pwm[nr];
1854 	return sprintf(buf, "%d\n", val);
1855 }
1856 
1857 static ssize_t store_simple_pwm(struct device *dev,
1858 				struct device_attribute *devattr,
1859 				const char *buf, size_t count)
1860 {
1861 	struct f71882fg_data *data = dev_get_drvdata(dev);
1862 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1863 	long val;
1864 
1865 	err = kstrtol(buf, 10, &val);
1866 	if (err)
1867 		return err;
1868 
1869 	val = clamp_val(val, 0, 255);
1870 
1871 	mutex_lock(&data->update_lock);
1872 	f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1873 	data->pwm[nr] = val;
1874 	mutex_unlock(&data->update_lock);
1875 
1876 	return count;
1877 }
1878 
1879 static ssize_t show_pwm_enable(struct device *dev,
1880 			       struct device_attribute *devattr, char *buf)
1881 {
1882 	int result = 0;
1883 	struct f71882fg_data *data = f71882fg_update_device(dev);
1884 	int nr = to_sensor_dev_attr_2(devattr)->index;
1885 
1886 	switch ((data->pwm_enable >> 2 * nr) & 3) {
1887 	case 0:
1888 	case 1:
1889 		result = 2; /* Normal auto mode */
1890 		break;
1891 	case 2:
1892 		result = 1; /* Manual mode */
1893 		break;
1894 	case 3:
1895 		if (data->type == f8000)
1896 			result = 3; /* Thermostat mode */
1897 		else
1898 			result = 1; /* Manual mode */
1899 		break;
1900 	}
1901 
1902 	return sprintf(buf, "%d\n", result);
1903 }
1904 
1905 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1906 				*devattr, const char *buf, size_t count)
1907 {
1908 	struct f71882fg_data *data = dev_get_drvdata(dev);
1909 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1910 	long val;
1911 
1912 	err = kstrtol(buf, 10, &val);
1913 	if (err)
1914 		return err;
1915 
1916 	/* Special case for F8000 pwm channel 3 which only does auto mode */
1917 	if (data->type == f8000 && nr == 2 && val != 2)
1918 		return -EINVAL;
1919 
1920 	mutex_lock(&data->update_lock);
1921 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1922 	/* Special case for F8000 auto PWM mode / Thermostat mode */
1923 	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1924 		switch (val) {
1925 		case 2:
1926 			data->pwm_enable &= ~(2 << (2 * nr));
1927 			break;		/* Normal auto mode */
1928 		case 3:
1929 			data->pwm_enable |= 2 << (2 * nr);
1930 			break;		/* Thermostat mode */
1931 		default:
1932 			count = -EINVAL;
1933 			goto leave;
1934 		}
1935 	} else {
1936 		switch (val) {
1937 		case 1:
1938 			/* The f71858fg does not support manual RPM mode */
1939 			if (data->type == f71858fg &&
1940 			    ((data->pwm_enable >> (2 * nr)) & 1)) {
1941 				count = -EINVAL;
1942 				goto leave;
1943 			}
1944 			data->pwm_enable |= 2 << (2 * nr);
1945 			break;		/* Manual */
1946 		case 2:
1947 			data->pwm_enable &= ~(2 << (2 * nr));
1948 			break;		/* Normal auto mode */
1949 		default:
1950 			count = -EINVAL;
1951 			goto leave;
1952 		}
1953 	}
1954 	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1955 leave:
1956 	mutex_unlock(&data->update_lock);
1957 
1958 	return count;
1959 }
1960 
1961 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1962 				       struct device_attribute *devattr,
1963 				       char *buf)
1964 {
1965 	int result;
1966 	struct f71882fg_data *data = f71882fg_update_device(dev);
1967 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1968 	int point = to_sensor_dev_attr_2(devattr)->nr;
1969 
1970 	mutex_lock(&data->update_lock);
1971 	if (data->pwm_enable & (1 << (2 * pwm))) {
1972 		/* PWM mode */
1973 		result = data->pwm_auto_point_pwm[pwm][point];
1974 	} else {
1975 		/* RPM mode */
1976 		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1977 	}
1978 	mutex_unlock(&data->update_lock);
1979 
1980 	return sprintf(buf, "%d\n", result);
1981 }
1982 
1983 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1984 					struct device_attribute *devattr,
1985 					const char *buf, size_t count)
1986 {
1987 	struct f71882fg_data *data = dev_get_drvdata(dev);
1988 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1989 	int point = to_sensor_dev_attr_2(devattr)->nr;
1990 	long val;
1991 
1992 	err = kstrtol(buf, 10, &val);
1993 	if (err)
1994 		return err;
1995 
1996 	val = clamp_val(val, 0, 255);
1997 
1998 	mutex_lock(&data->update_lock);
1999 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2000 	if (data->pwm_enable & (1 << (2 * pwm))) {
2001 		/* PWM mode */
2002 	} else {
2003 		/* RPM mode */
2004 		if (val < 29)	/* Prevent negative numbers */
2005 			val = 255;
2006 		else
2007 			val = (255 - val) * 32 / val;
2008 	}
2009 	f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
2010 	data->pwm_auto_point_pwm[pwm][point] = val;
2011 	mutex_unlock(&data->update_lock);
2012 
2013 	return count;
2014 }
2015 
2016 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
2017 					     struct device_attribute *devattr,
2018 					     char *buf)
2019 {
2020 	int result = 0;
2021 	struct f71882fg_data *data = f71882fg_update_device(dev);
2022 	int nr = to_sensor_dev_attr_2(devattr)->index;
2023 	int point = to_sensor_dev_attr_2(devattr)->nr;
2024 
2025 	mutex_lock(&data->update_lock);
2026 	if (nr & 1)
2027 		result = data->pwm_auto_point_hyst[nr / 2] >> 4;
2028 	else
2029 		result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
2030 	result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
2031 	mutex_unlock(&data->update_lock);
2032 
2033 	return sprintf(buf, "%d\n", result);
2034 }
2035 
2036 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
2037 					      struct device_attribute *devattr,
2038 					      const char *buf, size_t count)
2039 {
2040 	struct f71882fg_data *data = dev_get_drvdata(dev);
2041 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2042 	int point = to_sensor_dev_attr_2(devattr)->nr;
2043 	u8 reg;
2044 	long val;
2045 
2046 	err = kstrtol(buf, 10, &val);
2047 	if (err)
2048 		return err;
2049 
2050 	val /= 1000;
2051 
2052 	mutex_lock(&data->update_lock);
2053 	data->pwm_auto_point_temp[nr][point] =
2054 		f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
2055 	val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
2056 			data->pwm_auto_point_temp[nr][point]);
2057 	val = data->pwm_auto_point_temp[nr][point] - val;
2058 
2059 	reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
2060 	if (nr & 1)
2061 		reg = (reg & 0x0f) | (val << 4);
2062 	else
2063 		reg = (reg & 0xf0) | val;
2064 
2065 	f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
2066 	data->pwm_auto_point_hyst[nr / 2] = reg;
2067 	mutex_unlock(&data->update_lock);
2068 
2069 	return count;
2070 }
2071 
2072 static ssize_t show_pwm_interpolate(struct device *dev,
2073 				    struct device_attribute *devattr, char *buf)
2074 {
2075 	int result;
2076 	struct f71882fg_data *data = f71882fg_update_device(dev);
2077 	int nr = to_sensor_dev_attr_2(devattr)->index;
2078 
2079 	result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
2080 
2081 	return sprintf(buf, "%d\n", result);
2082 }
2083 
2084 static ssize_t store_pwm_interpolate(struct device *dev,
2085 				     struct device_attribute *devattr,
2086 				     const char *buf, size_t count)
2087 {
2088 	struct f71882fg_data *data = dev_get_drvdata(dev);
2089 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2090 	unsigned long val;
2091 
2092 	err = kstrtoul(buf, 10, &val);
2093 	if (err)
2094 		return err;
2095 
2096 	mutex_lock(&data->update_lock);
2097 	data->pwm_auto_point_mapping[nr] =
2098 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2099 	if (val)
2100 		val = data->pwm_auto_point_mapping[nr] | (1 << 4);
2101 	else
2102 		val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
2103 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2104 	data->pwm_auto_point_mapping[nr] = val;
2105 	mutex_unlock(&data->update_lock);
2106 
2107 	return count;
2108 }
2109 
2110 static ssize_t show_pwm_auto_point_channel(struct device *dev,
2111 					   struct device_attribute *devattr,
2112 					   char *buf)
2113 {
2114 	int result;
2115 	struct f71882fg_data *data = f71882fg_update_device(dev);
2116 	int nr = to_sensor_dev_attr_2(devattr)->index;
2117 
2118 	result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
2119 		       data->temp_start);
2120 
2121 	return sprintf(buf, "%d\n", result);
2122 }
2123 
2124 static ssize_t store_pwm_auto_point_channel(struct device *dev,
2125 					    struct device_attribute *devattr,
2126 					    const char *buf, size_t count)
2127 {
2128 	struct f71882fg_data *data = dev_get_drvdata(dev);
2129 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2130 	long val;
2131 
2132 	err = kstrtol(buf, 10, &val);
2133 	if (err)
2134 		return err;
2135 
2136 	switch (val) {
2137 	case 1:
2138 		val = 0;
2139 		break;
2140 	case 2:
2141 		val = 1;
2142 		break;
2143 	case 4:
2144 		val = 2;
2145 		break;
2146 	default:
2147 		return -EINVAL;
2148 	}
2149 	val += data->temp_start;
2150 	mutex_lock(&data->update_lock);
2151 	data->pwm_auto_point_mapping[nr] =
2152 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2153 	val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
2154 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2155 	data->pwm_auto_point_mapping[nr] = val;
2156 	mutex_unlock(&data->update_lock);
2157 
2158 	return count;
2159 }
2160 
2161 static ssize_t show_pwm_auto_point_temp(struct device *dev,
2162 					struct device_attribute *devattr,
2163 					char *buf)
2164 {
2165 	int result;
2166 	struct f71882fg_data *data = f71882fg_update_device(dev);
2167 	int pwm = to_sensor_dev_attr_2(devattr)->index;
2168 	int point = to_sensor_dev_attr_2(devattr)->nr;
2169 
2170 	result = data->pwm_auto_point_temp[pwm][point];
2171 	return sprintf(buf, "%d\n", 1000 * result);
2172 }
2173 
2174 static ssize_t store_pwm_auto_point_temp(struct device *dev,
2175 					 struct device_attribute *devattr,
2176 					 const char *buf, size_t count)
2177 {
2178 	struct f71882fg_data *data = dev_get_drvdata(dev);
2179 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2180 	int point = to_sensor_dev_attr_2(devattr)->nr;
2181 	long val;
2182 
2183 	err = kstrtol(buf, 10, &val);
2184 	if (err)
2185 		return err;
2186 
2187 	val /= 1000;
2188 
2189 	if (data->auto_point_temp_signed)
2190 		val = clamp_val(val, -128, 127);
2191 	else
2192 		val = clamp_val(val, 0, 127);
2193 
2194 	mutex_lock(&data->update_lock);
2195 	f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
2196 	data->pwm_auto_point_temp[pwm][point] = val;
2197 	mutex_unlock(&data->update_lock);
2198 
2199 	return count;
2200 }
2201 
2202 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
2203 	char *buf)
2204 {
2205 	struct f71882fg_data *data = dev_get_drvdata(dev);
2206 	return sprintf(buf, "%s\n", f71882fg_names[data->type]);
2207 }
2208 
2209 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2210 	struct sensor_device_attribute_2 *attr, int count)
2211 {
2212 	int err, i;
2213 
2214 	for (i = 0; i < count; i++) {
2215 		err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2216 		if (err)
2217 			return err;
2218 	}
2219 	return 0;
2220 }
2221 
2222 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2223 	struct sensor_device_attribute_2 *attr, int count)
2224 {
2225 	int i;
2226 
2227 	for (i = 0; i < count; i++)
2228 		device_remove_file(&pdev->dev, &attr[i].dev_attr);
2229 }
2230 
2231 static int f71882fg_create_fan_sysfs_files(
2232 	struct platform_device *pdev, int idx)
2233 {
2234 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2235 	int err;
2236 
2237 	/* Sanity check the pwm setting */
2238 	err = 0;
2239 	switch (data->type) {
2240 	case f71858fg:
2241 		if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2242 			err = 1;
2243 		break;
2244 	case f71862fg:
2245 		if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2246 			err = 1;
2247 		break;
2248 	case f8000:
2249 		if (idx == 2)
2250 			err = data->pwm_enable & 0x20;
2251 		break;
2252 	default:
2253 		break;
2254 	}
2255 	if (err) {
2256 		dev_err(&pdev->dev,
2257 			"Invalid (reserved) pwm settings: 0x%02x, "
2258 			"skipping fan %d\n",
2259 			(data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2260 		return 0; /* This is a non fatal condition */
2261 	}
2262 
2263 	err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2264 					  ARRAY_SIZE(fxxxx_fan_attr[0]));
2265 	if (err)
2266 		return err;
2267 
2268 	if (f71882fg_fan_has_beep[data->type]) {
2269 		err = f71882fg_create_sysfs_files(pdev,
2270 						  &fxxxx_fan_beep_attr[idx],
2271 						  1);
2272 		if (err)
2273 			return err;
2274 	}
2275 
2276 	dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2277 		 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2278 
2279 	/* Check for unsupported auto pwm settings */
2280 	switch (data->type) {
2281 	case f71808e:
2282 	case f71808a:
2283 	case f71869:
2284 	case f71869a:
2285 	case f71889fg:
2286 	case f71889ed:
2287 	case f71889a:
2288 		data->pwm_auto_point_mapping[idx] =
2289 			f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2290 		if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2291 		    (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2292 			dev_warn(&pdev->dev,
2293 				 "Auto pwm controlled by raw digital "
2294 				 "data, disabling pwm auto_point "
2295 				 "sysfs attributes for fan %d\n", idx + 1);
2296 			return 0; /* This is a non fatal condition */
2297 		}
2298 		break;
2299 	default:
2300 		break;
2301 	}
2302 
2303 	switch (data->type) {
2304 	case f71862fg:
2305 		err = f71882fg_create_sysfs_files(pdev,
2306 					&f71862fg_auto_pwm_attr[idx][0],
2307 					ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2308 		break;
2309 	case f71808e:
2310 	case f71869:
2311 		err = f71882fg_create_sysfs_files(pdev,
2312 					&f71869_auto_pwm_attr[idx][0],
2313 					ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2314 		break;
2315 	case f8000:
2316 		err = f71882fg_create_sysfs_files(pdev,
2317 					&f8000_auto_pwm_attr[idx][0],
2318 					ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2319 		break;
2320 	default:
2321 		err = f71882fg_create_sysfs_files(pdev,
2322 					&fxxxx_auto_pwm_attr[idx][0],
2323 					ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2324 	}
2325 
2326 	return err;
2327 }
2328 
2329 static int f71882fg_probe(struct platform_device *pdev)
2330 {
2331 	struct f71882fg_data *data;
2332 	struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2333 	int nr_fans = f71882fg_nr_fans[sio_data->type];
2334 	int nr_temps = f71882fg_nr_temps[sio_data->type];
2335 	int err, i;
2336 	int size;
2337 	u8 start_reg, reg;
2338 
2339 	data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2340 			    GFP_KERNEL);
2341 	if (!data)
2342 		return -ENOMEM;
2343 
2344 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2345 	data->type = sio_data->type;
2346 	data->temp_start =
2347 	    (data->type == f71858fg || data->type == f8000 ||
2348 		data->type == f81866a) ? 0 : 1;
2349 	mutex_init(&data->update_lock);
2350 	platform_set_drvdata(pdev, data);
2351 
2352 	start_reg = f71882fg_read8(data, F71882FG_REG_START);
2353 	if (start_reg & 0x04) {
2354 		dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2355 		return -ENODEV;
2356 	}
2357 	if (!(start_reg & 0x03)) {
2358 		dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2359 		return -ENODEV;
2360 	}
2361 
2362 	/* Register sysfs interface files */
2363 	err = device_create_file(&pdev->dev, &dev_attr_name);
2364 	if (err)
2365 		goto exit_unregister_sysfs;
2366 
2367 	if (start_reg & 0x01) {
2368 		switch (data->type) {
2369 		case f71858fg:
2370 			data->temp_config =
2371 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2372 			if (data->temp_config & 0x10)
2373 				/*
2374 				 * The f71858fg temperature alarms behave as
2375 				 * the f8000 alarms in this mode
2376 				 */
2377 				err = f71882fg_create_sysfs_files(pdev,
2378 					f8000_temp_attr,
2379 					ARRAY_SIZE(f8000_temp_attr));
2380 			else
2381 				err = f71882fg_create_sysfs_files(pdev,
2382 					f71858fg_temp_attr,
2383 					ARRAY_SIZE(f71858fg_temp_attr));
2384 			break;
2385 		case f8000:
2386 			err = f71882fg_create_sysfs_files(pdev,
2387 					f8000_temp_attr,
2388 					ARRAY_SIZE(f8000_temp_attr));
2389 			break;
2390 		case f81866a:
2391 			err = f71882fg_create_sysfs_files(pdev,
2392 					f71858fg_temp_attr,
2393 					ARRAY_SIZE(f71858fg_temp_attr));
2394 			break;
2395 		default:
2396 			err = f71882fg_create_sysfs_files(pdev,
2397 				&fxxxx_temp_attr[0][0],
2398 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2399 		}
2400 		if (err)
2401 			goto exit_unregister_sysfs;
2402 
2403 		if (f71882fg_temp_has_beep[data->type]) {
2404 			if (data->type == f81866a) {
2405 				size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2406 				err = f71882fg_create_sysfs_files(pdev,
2407 						&f81866_temp_beep_attr[0][0],
2408 						size * nr_temps);
2409 
2410 			} else {
2411 				size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2412 				err = f71882fg_create_sysfs_files(pdev,
2413 						&fxxxx_temp_beep_attr[0][0],
2414 						size * nr_temps);
2415 			}
2416 			if (err)
2417 				goto exit_unregister_sysfs;
2418 		}
2419 
2420 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2421 			if (f71882fg_has_in[data->type][i]) {
2422 				err = device_create_file(&pdev->dev,
2423 						&fxxxx_in_attr[i].dev_attr);
2424 				if (err)
2425 					goto exit_unregister_sysfs;
2426 			}
2427 		}
2428 		if (f71882fg_has_in1_alarm[data->type]) {
2429 			err = f71882fg_create_sysfs_files(pdev,
2430 					fxxxx_in1_alarm_attr,
2431 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2432 			if (err)
2433 				goto exit_unregister_sysfs;
2434 		}
2435 	}
2436 
2437 	if (start_reg & 0x02) {
2438 		switch (data->type) {
2439 		case f71808e:
2440 		case f71808a:
2441 		case f71869:
2442 		case f71869a:
2443 			/* These always have signed auto point temps */
2444 			data->auto_point_temp_signed = 1;
2445 			/* Fall through - to select correct fan/pwm reg bank! */
2446 		case f71889fg:
2447 		case f71889ed:
2448 		case f71889a:
2449 			reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2450 			if (reg & F71882FG_FAN_NEG_TEMP_EN)
2451 				data->auto_point_temp_signed = 1;
2452 			/* Ensure banked pwm registers point to right bank */
2453 			reg &= ~F71882FG_FAN_PROG_SEL;
2454 			f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2455 			break;
2456 		default:
2457 			break;
2458 		}
2459 
2460 		data->pwm_enable =
2461 			f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2462 
2463 		for (i = 0; i < nr_fans; i++) {
2464 			err = f71882fg_create_fan_sysfs_files(pdev, i);
2465 			if (err)
2466 				goto exit_unregister_sysfs;
2467 		}
2468 
2469 		/* Some types have 1 extra fan with limited functionality */
2470 		switch (data->type) {
2471 		case f71808a:
2472 			err = f71882fg_create_sysfs_files(pdev,
2473 					f71808a_fan3_attr,
2474 					ARRAY_SIZE(f71808a_fan3_attr));
2475 			break;
2476 		case f8000:
2477 			err = f71882fg_create_sysfs_files(pdev,
2478 					f8000_fan_attr,
2479 					ARRAY_SIZE(f8000_fan_attr));
2480 			break;
2481 		default:
2482 			break;
2483 		}
2484 		if (err)
2485 			goto exit_unregister_sysfs;
2486 	}
2487 
2488 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
2489 	if (IS_ERR(data->hwmon_dev)) {
2490 		err = PTR_ERR(data->hwmon_dev);
2491 		data->hwmon_dev = NULL;
2492 		goto exit_unregister_sysfs;
2493 	}
2494 
2495 	return 0;
2496 
2497 exit_unregister_sysfs:
2498 	f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2499 	return err; /* f71882fg_remove() also frees our data */
2500 }
2501 
2502 static int f71882fg_remove(struct platform_device *pdev)
2503 {
2504 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2505 	int nr_fans = f71882fg_nr_fans[data->type];
2506 	int nr_temps = f71882fg_nr_temps[data->type];
2507 	int i;
2508 	u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2509 
2510 	if (data->hwmon_dev)
2511 		hwmon_device_unregister(data->hwmon_dev);
2512 
2513 	device_remove_file(&pdev->dev, &dev_attr_name);
2514 
2515 	if (start_reg & 0x01) {
2516 		switch (data->type) {
2517 		case f71858fg:
2518 			if (data->temp_config & 0x10)
2519 				f71882fg_remove_sysfs_files(pdev,
2520 					f8000_temp_attr,
2521 					ARRAY_SIZE(f8000_temp_attr));
2522 			else
2523 				f71882fg_remove_sysfs_files(pdev,
2524 					f71858fg_temp_attr,
2525 					ARRAY_SIZE(f71858fg_temp_attr));
2526 			break;
2527 		case f8000:
2528 			f71882fg_remove_sysfs_files(pdev,
2529 					f8000_temp_attr,
2530 					ARRAY_SIZE(f8000_temp_attr));
2531 			break;
2532 		case f81866a:
2533 			f71882fg_remove_sysfs_files(pdev,
2534 					f71858fg_temp_attr,
2535 					ARRAY_SIZE(f71858fg_temp_attr));
2536 			break;
2537 		default:
2538 			f71882fg_remove_sysfs_files(pdev,
2539 				&fxxxx_temp_attr[0][0],
2540 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2541 		}
2542 		if (f71882fg_temp_has_beep[data->type]) {
2543 			if (data->type == f81866a)
2544 				f71882fg_remove_sysfs_files(pdev,
2545 					&f81866_temp_beep_attr[0][0],
2546 					ARRAY_SIZE(f81866_temp_beep_attr[0])
2547 						* nr_temps);
2548 			else
2549 				f71882fg_remove_sysfs_files(pdev,
2550 					&fxxxx_temp_beep_attr[0][0],
2551 					ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2552 						* nr_temps);
2553 		}
2554 
2555 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2556 			if (f71882fg_has_in[data->type][i]) {
2557 				device_remove_file(&pdev->dev,
2558 						&fxxxx_in_attr[i].dev_attr);
2559 			}
2560 		}
2561 		if (f71882fg_has_in1_alarm[data->type]) {
2562 			f71882fg_remove_sysfs_files(pdev,
2563 					fxxxx_in1_alarm_attr,
2564 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2565 		}
2566 	}
2567 
2568 	if (start_reg & 0x02) {
2569 		f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2570 				ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2571 
2572 		if (f71882fg_fan_has_beep[data->type]) {
2573 			f71882fg_remove_sysfs_files(pdev,
2574 					fxxxx_fan_beep_attr, nr_fans);
2575 		}
2576 
2577 		switch (data->type) {
2578 		case f71808a:
2579 			f71882fg_remove_sysfs_files(pdev,
2580 				&fxxxx_auto_pwm_attr[0][0],
2581 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2582 			f71882fg_remove_sysfs_files(pdev,
2583 					f71808a_fan3_attr,
2584 					ARRAY_SIZE(f71808a_fan3_attr));
2585 			break;
2586 		case f71862fg:
2587 			f71882fg_remove_sysfs_files(pdev,
2588 				&f71862fg_auto_pwm_attr[0][0],
2589 				ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2590 					nr_fans);
2591 			break;
2592 		case f71808e:
2593 		case f71869:
2594 			f71882fg_remove_sysfs_files(pdev,
2595 				&f71869_auto_pwm_attr[0][0],
2596 				ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2597 			break;
2598 		case f8000:
2599 			f71882fg_remove_sysfs_files(pdev,
2600 					f8000_fan_attr,
2601 					ARRAY_SIZE(f8000_fan_attr));
2602 			f71882fg_remove_sysfs_files(pdev,
2603 				&f8000_auto_pwm_attr[0][0],
2604 				ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2605 			break;
2606 		default:
2607 			f71882fg_remove_sysfs_files(pdev,
2608 				&fxxxx_auto_pwm_attr[0][0],
2609 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2610 		}
2611 	}
2612 	return 0;
2613 }
2614 
2615 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2616 {
2617 	u16 devid;
2618 	unsigned short address;
2619 	int err = superio_enter(sioaddr);
2620 	if (err)
2621 		return err;
2622 
2623 	devid = superio_inw(sioaddr, SIO_REG_MANID);
2624 	if (devid != SIO_FINTEK_ID) {
2625 		pr_debug("Not a Fintek device\n");
2626 		err = -ENODEV;
2627 		goto exit;
2628 	}
2629 
2630 	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2631 	switch (devid) {
2632 	case SIO_F71808E_ID:
2633 		sio_data->type = f71808e;
2634 		break;
2635 	case SIO_F71808A_ID:
2636 		sio_data->type = f71808a;
2637 		break;
2638 	case SIO_F71858_ID:
2639 		sio_data->type = f71858fg;
2640 		break;
2641 	case SIO_F71862_ID:
2642 		sio_data->type = f71862fg;
2643 		break;
2644 	case SIO_F71868_ID:
2645 		sio_data->type = f71868a;
2646 		break;
2647 	case SIO_F71869_ID:
2648 		sio_data->type = f71869;
2649 		break;
2650 	case SIO_F71869A_ID:
2651 		sio_data->type = f71869a;
2652 		break;
2653 	case SIO_F71882_ID:
2654 		sio_data->type = f71882fg;
2655 		break;
2656 	case SIO_F71889_ID:
2657 		sio_data->type = f71889fg;
2658 		break;
2659 	case SIO_F71889E_ID:
2660 		sio_data->type = f71889ed;
2661 		break;
2662 	case SIO_F71889A_ID:
2663 		sio_data->type = f71889a;
2664 		break;
2665 	case SIO_F8000_ID:
2666 		sio_data->type = f8000;
2667 		break;
2668 	case SIO_F81768D_ID:
2669 		sio_data->type = f81768d;
2670 		break;
2671 	case SIO_F81865_ID:
2672 		sio_data->type = f81865f;
2673 		break;
2674 	case SIO_F81866_ID:
2675 		sio_data->type = f81866a;
2676 		break;
2677 	default:
2678 		pr_info("Unsupported Fintek device: %04x\n",
2679 			(unsigned int)devid);
2680 		err = -ENODEV;
2681 		goto exit;
2682 	}
2683 
2684 	if (sio_data->type == f71858fg)
2685 		superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2686 	else
2687 		superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2688 
2689 	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2690 		pr_warn("Device not activated\n");
2691 		err = -ENODEV;
2692 		goto exit;
2693 	}
2694 
2695 	address = superio_inw(sioaddr, SIO_REG_ADDR);
2696 	if (address == 0) {
2697 		pr_warn("Base address not set\n");
2698 		err = -ENODEV;
2699 		goto exit;
2700 	}
2701 	address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
2702 
2703 	err = address;
2704 	pr_info("Found %s chip at %#x, revision %d\n",
2705 		f71882fg_names[sio_data->type],	(unsigned int)address,
2706 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
2707 exit:
2708 	superio_exit(sioaddr);
2709 	return err;
2710 }
2711 
2712 static int __init f71882fg_device_add(int address,
2713 				      const struct f71882fg_sio_data *sio_data)
2714 {
2715 	struct resource res = {
2716 		.start	= address,
2717 		.end	= address + REGION_LENGTH - 1,
2718 		.flags	= IORESOURCE_IO,
2719 	};
2720 	int err;
2721 
2722 	f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2723 	if (!f71882fg_pdev)
2724 		return -ENOMEM;
2725 
2726 	res.name = f71882fg_pdev->name;
2727 	err = acpi_check_resource_conflict(&res);
2728 	if (err)
2729 		goto exit_device_put;
2730 
2731 	err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2732 	if (err) {
2733 		pr_err("Device resource addition failed\n");
2734 		goto exit_device_put;
2735 	}
2736 
2737 	err = platform_device_add_data(f71882fg_pdev, sio_data,
2738 				       sizeof(struct f71882fg_sio_data));
2739 	if (err) {
2740 		pr_err("Platform data allocation failed\n");
2741 		goto exit_device_put;
2742 	}
2743 
2744 	err = platform_device_add(f71882fg_pdev);
2745 	if (err) {
2746 		pr_err("Device addition failed\n");
2747 		goto exit_device_put;
2748 	}
2749 
2750 	return 0;
2751 
2752 exit_device_put:
2753 	platform_device_put(f71882fg_pdev);
2754 
2755 	return err;
2756 }
2757 
2758 static int __init f71882fg_init(void)
2759 {
2760 	int err;
2761 	int address;
2762 	struct f71882fg_sio_data sio_data;
2763 
2764 	memset(&sio_data, 0, sizeof(sio_data));
2765 
2766 	address = f71882fg_find(0x2e, &sio_data);
2767 	if (address < 0)
2768 		address = f71882fg_find(0x4e, &sio_data);
2769 	if (address < 0)
2770 		return address;
2771 
2772 	err = platform_driver_register(&f71882fg_driver);
2773 	if (err)
2774 		return err;
2775 
2776 	err = f71882fg_device_add(address, &sio_data);
2777 	if (err)
2778 		goto exit_driver;
2779 
2780 	return 0;
2781 
2782 exit_driver:
2783 	platform_driver_unregister(&f71882fg_driver);
2784 	return err;
2785 }
2786 
2787 static void __exit f71882fg_exit(void)
2788 {
2789 	platform_device_unregister(f71882fg_pdev);
2790 	platform_driver_unregister(&f71882fg_driver);
2791 }
2792 
2793 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2794 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2795 MODULE_LICENSE("GPL");
2796 
2797 module_init(f71882fg_init);
2798 module_exit(f71882fg_exit);
2799