xref: /openbmc/linux/drivers/hwmon/f71882fg.c (revision 48ca54e3)
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 #define SIO_F81966_ID		0x1502	/* Chipset ID */
53 
54 #define REGION_LENGTH		8
55 #define ADDR_REG_OFFSET		5
56 #define DATA_REG_OFFSET		6
57 
58 #define F71882FG_REG_IN_STATUS		0x12 /* f7188x only */
59 #define F71882FG_REG_IN_BEEP		0x13 /* f7188x only */
60 #define F71882FG_REG_IN(nr)		(0x20  + (nr))
61 #define F71882FG_REG_IN1_HIGH		0x32 /* f7188x only */
62 
63 #define F81866_REG_IN_STATUS		0x16 /* F81866 only */
64 #define F81866_REG_IN_BEEP			0x17 /* F81866 only */
65 #define F81866_REG_IN1_HIGH		0x3a /* F81866 only */
66 
67 #define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
68 #define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
69 #define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
70 #define F71882FG_REG_FAN_STATUS		0x92
71 #define F71882FG_REG_FAN_BEEP		0x93
72 
73 #define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
74 #define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
75 #define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
76 #define F71882FG_REG_TEMP_STATUS	0x62
77 #define F71882FG_REG_TEMP_BEEP		0x63
78 #define F71882FG_REG_TEMP_CONFIG	0x69
79 #define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
80 #define F71882FG_REG_TEMP_TYPE		0x6B
81 #define F71882FG_REG_TEMP_DIODE_OPEN	0x6F
82 
83 #define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
84 #define F71882FG_REG_PWM_TYPE		0x94
85 #define F71882FG_REG_PWM_ENABLE		0x96
86 
87 #define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
88 
89 #define F71882FG_REG_FAN_FAULT_T	0x9F
90 #define F71882FG_FAN_NEG_TEMP_EN	0x20
91 #define F71882FG_FAN_PROG_SEL		0x80
92 
93 #define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
94 #define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
95 #define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))
96 
97 #define	F71882FG_REG_START		0x01
98 
99 #define F71882FG_MAX_INS		11
100 
101 #define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */
102 
103 static unsigned short force_id;
104 module_param(force_id, ushort, 0);
105 MODULE_PARM_DESC(force_id, "Override the detected device ID");
106 
107 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
108 	f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
109 	f81866a};
110 
111 static const char *const f71882fg_names[] = {
112 	"f71808e",
113 	"f71808a",
114 	"f71858fg",
115 	"f71862fg",
116 	"f71868a",
117 	"f71869", /* Both f71869f and f71869e, reg. compatible and same id */
118 	"f71869a",
119 	"f71882fg",
120 	"f71889fg", /* f81801u too, same id */
121 	"f71889ed",
122 	"f71889a",
123 	"f8000",
124 	"f81768d",
125 	"f81865f",
126 	"f81866a",
127 };
128 
129 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
130 	[f71808e]	= { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
131 	[f71808a]	= { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
132 	[f71858fg]	= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
133 	[f71862fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
134 	[f71868a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
135 	[f71869]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
136 	[f71869a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
137 	[f71882fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
138 	[f71889fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
139 	[f71889ed]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
140 	[f71889a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
141 	[f8000]		= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
142 	[f81768d]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
143 	[f81865f]	= { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
144 	[f81866a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
145 };
146 
147 static const char f71882fg_has_in1_alarm[] = {
148 	[f71808e]	= 0,
149 	[f71808a]	= 0,
150 	[f71858fg]	= 0,
151 	[f71862fg]	= 0,
152 	[f71868a]	= 0,
153 	[f71869]	= 0,
154 	[f71869a]	= 0,
155 	[f71882fg]	= 1,
156 	[f71889fg]	= 1,
157 	[f71889ed]	= 1,
158 	[f71889a]	= 1,
159 	[f8000]		= 0,
160 	[f81768d]	= 1,
161 	[f81865f]	= 1,
162 	[f81866a]	= 1,
163 };
164 
165 static const char f71882fg_fan_has_beep[] = {
166 	[f71808e]	= 0,
167 	[f71808a]	= 0,
168 	[f71858fg]	= 0,
169 	[f71862fg]	= 1,
170 	[f71868a]	= 1,
171 	[f71869]	= 1,
172 	[f71869a]	= 1,
173 	[f71882fg]	= 1,
174 	[f71889fg]	= 1,
175 	[f71889ed]	= 1,
176 	[f71889a]	= 1,
177 	[f8000]		= 0,
178 	[f81768d]	= 1,
179 	[f81865f]	= 1,
180 	[f81866a]	= 1,
181 };
182 
183 static const char f71882fg_nr_fans[] = {
184 	[f71808e]	= 3,
185 	[f71808a]	= 2, /* +1 fan which is monitor + simple pwm only */
186 	[f71858fg]	= 3,
187 	[f71862fg]	= 3,
188 	[f71868a]	= 3,
189 	[f71869]	= 3,
190 	[f71869a]	= 3,
191 	[f71882fg]	= 4,
192 	[f71889fg]	= 3,
193 	[f71889ed]	= 3,
194 	[f71889a]	= 3,
195 	[f8000]		= 3, /* +1 fan which is monitor only */
196 	[f81768d]	= 3,
197 	[f81865f]	= 2,
198 	[f81866a]	= 3,
199 };
200 
201 static const char f71882fg_temp_has_beep[] = {
202 	[f71808e]	= 0,
203 	[f71808a]	= 1,
204 	[f71858fg]	= 0,
205 	[f71862fg]	= 1,
206 	[f71868a]	= 1,
207 	[f71869]	= 1,
208 	[f71869a]	= 1,
209 	[f71882fg]	= 1,
210 	[f71889fg]	= 1,
211 	[f71889ed]	= 1,
212 	[f71889a]	= 1,
213 	[f8000]		= 0,
214 	[f81768d]	= 1,
215 	[f81865f]	= 1,
216 	[f81866a]	= 1,
217 };
218 
219 static const char f71882fg_nr_temps[] = {
220 	[f71808e]	= 2,
221 	[f71808a]	= 2,
222 	[f71858fg]	= 3,
223 	[f71862fg]	= 3,
224 	[f71868a]	= 3,
225 	[f71869]	= 3,
226 	[f71869a]	= 3,
227 	[f71882fg]	= 3,
228 	[f71889fg]	= 3,
229 	[f71889ed]	= 3,
230 	[f71889a]	= 3,
231 	[f8000]		= 3,
232 	[f81768d]	= 3,
233 	[f81865f]	= 2,
234 	[f81866a]	= 3,
235 };
236 
237 static struct platform_device *f71882fg_pdev;
238 
239 /* Super-I/O Function prototypes */
240 static inline int superio_inb(int base, int reg);
241 static inline int superio_inw(int base, int reg);
242 static inline int superio_enter(int base);
243 static inline void superio_select(int base, int ld);
244 static inline void superio_exit(int base);
245 
246 struct f71882fg_sio_data {
247 	enum chips type;
248 };
249 
250 struct f71882fg_data {
251 	unsigned short addr;
252 	enum chips type;
253 	struct device *hwmon_dev;
254 
255 	struct mutex update_lock;
256 	int temp_start;			/* temp numbering start (0 or 1) */
257 	bool valid;			/* true if following fields are valid */
258 	char auto_point_temp_signed;
259 	unsigned long last_updated;	/* In jiffies */
260 	unsigned long last_limits;	/* In jiffies */
261 
262 	/* Register Values */
263 	u8	in[F71882FG_MAX_INS];
264 	u8	in1_max;
265 	u8	in_status;
266 	u8	in_beep;
267 	u16	fan[4];
268 	u16	fan_target[4];
269 	u16	fan_full_speed[4];
270 	u8	fan_status;
271 	u8	fan_beep;
272 	/*
273 	 * Note: all models have max 3 temperature channels, but on some
274 	 * they are addressed as 0-2 and on others as 1-3, so for coding
275 	 * convenience we reserve space for 4 channels
276 	 */
277 	u16	temp[4];
278 	u8	temp_ovt[4];
279 	u8	temp_high[4];
280 	u8	temp_hyst[2]; /* 2 hysts stored per reg */
281 	u8	temp_type[4];
282 	u8	temp_status;
283 	u8	temp_beep;
284 	u8	temp_diode_open;
285 	u8	temp_config;
286 	u8	pwm[4];
287 	u8	pwm_enable;
288 	u8	pwm_auto_point_hyst[2];
289 	u8	pwm_auto_point_mapping[4];
290 	u8	pwm_auto_point_pwm[4][5];
291 	s8	pwm_auto_point_temp[4][4];
292 };
293 
294 /* Sysfs in */
295 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
296 	char *buf);
297 static ssize_t show_in_max(struct device *dev, struct device_attribute
298 	*devattr, char *buf);
299 static ssize_t store_in_max(struct device *dev, struct device_attribute
300 	*devattr, const char *buf, size_t count);
301 static ssize_t show_in_beep(struct device *dev, struct device_attribute
302 	*devattr, char *buf);
303 static ssize_t store_in_beep(struct device *dev, struct device_attribute
304 	*devattr, const char *buf, size_t count);
305 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
306 	*devattr, char *buf);
307 /* Sysfs Fan */
308 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
309 	char *buf);
310 static ssize_t show_fan_full_speed(struct device *dev,
311 	struct device_attribute *devattr, char *buf);
312 static ssize_t store_fan_full_speed(struct device *dev,
313 	struct device_attribute *devattr, const char *buf, size_t count);
314 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
315 	*devattr, char *buf);
316 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
317 	*devattr, const char *buf, size_t count);
318 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
319 	*devattr, char *buf);
320 /* Sysfs Temp */
321 static ssize_t show_temp(struct device *dev, struct device_attribute
322 	*devattr, char *buf);
323 static ssize_t show_temp_max(struct device *dev, struct device_attribute
324 	*devattr, char *buf);
325 static ssize_t store_temp_max(struct device *dev, struct device_attribute
326 	*devattr, const char *buf, size_t count);
327 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
328 	*devattr, char *buf);
329 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
330 	*devattr, const char *buf, size_t count);
331 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
332 	*devattr, char *buf);
333 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
334 	*devattr, const char *buf, size_t count);
335 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
336 	*devattr, char *buf);
337 static ssize_t show_temp_type(struct device *dev, struct device_attribute
338 	*devattr, char *buf);
339 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
340 	*devattr, char *buf);
341 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
342 	*devattr, const char *buf, size_t count);
343 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
344 	*devattr, char *buf);
345 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
346 	*devattr, char *buf);
347 /* PWM and Auto point control */
348 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
349 	char *buf);
350 static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
351 	const char *buf, size_t count);
352 static ssize_t show_simple_pwm(struct device *dev,
353 	struct device_attribute *devattr, char *buf);
354 static ssize_t store_simple_pwm(struct device *dev,
355 	struct device_attribute *devattr, const char *buf, size_t count);
356 static ssize_t show_pwm_enable(struct device *dev,
357 	struct device_attribute *devattr, char *buf);
358 static ssize_t store_pwm_enable(struct device *dev,
359 	struct device_attribute	*devattr, const char *buf, size_t count);
360 static ssize_t show_pwm_interpolate(struct device *dev,
361 	struct device_attribute *devattr, char *buf);
362 static ssize_t store_pwm_interpolate(struct device *dev,
363 	struct device_attribute *devattr, const char *buf, size_t count);
364 static ssize_t show_pwm_auto_point_channel(struct device *dev,
365 	struct device_attribute *devattr, char *buf);
366 static ssize_t store_pwm_auto_point_channel(struct device *dev,
367 	struct device_attribute *devattr, const char *buf, size_t count);
368 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
369 	struct device_attribute *devattr, char *buf);
370 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
371 	struct device_attribute *devattr, const char *buf, size_t count);
372 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
373 	struct device_attribute *devattr, char *buf);
374 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
375 	struct device_attribute *devattr, const char *buf, size_t count);
376 static ssize_t show_pwm_auto_point_temp(struct device *dev,
377 	struct device_attribute *devattr, char *buf);
378 static ssize_t store_pwm_auto_point_temp(struct device *dev,
379 	struct device_attribute *devattr, const char *buf, size_t count);
380 /* Sysfs misc */
381 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
382 	char *buf);
383 
384 static int f71882fg_probe(struct platform_device *pdev);
385 static int f71882fg_remove(struct platform_device *pdev);
386 
387 static struct platform_driver f71882fg_driver = {
388 	.driver = {
389 		.name	= DRVNAME,
390 	},
391 	.probe		= f71882fg_probe,
392 	.remove		= f71882fg_remove,
393 };
394 
395 static DEVICE_ATTR_RO(name);
396 
397 /*
398  * Temp attr for the f71858fg, the f71858fg is special as it has its
399  * temperature indexes start at 0 (the others start at 1)
400  */
401 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
402 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
403 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
404 		store_temp_max, 0, 0),
405 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
406 		store_temp_max_hyst, 0, 0),
407 	SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
408 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
409 		store_temp_crit, 0, 0),
410 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
411 		0, 0),
412 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
413 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
414 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
415 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
416 		store_temp_max, 0, 1),
417 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
418 		store_temp_max_hyst, 0, 1),
419 	SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
420 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
421 		store_temp_crit, 0, 1),
422 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
423 		0, 1),
424 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
425 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
426 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
427 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
428 		store_temp_max, 0, 2),
429 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
430 		store_temp_max_hyst, 0, 2),
431 	SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
432 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
433 		store_temp_crit, 0, 2),
434 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
435 		0, 2),
436 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
437 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
438 };
439 
440 /* Temp attr for the standard models */
441 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
442 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
443 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
444 		store_temp_max, 0, 1),
445 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
446 		store_temp_max_hyst, 0, 1),
447 	/*
448 	 * Should really be temp1_max_alarm, but older versions did not handle
449 	 * the max and crit alarms separately and lm_sensors v2 depends on the
450 	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
451 	 */
452 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
453 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
454 		store_temp_crit, 0, 1),
455 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
456 		0, 1),
457 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
458 	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
459 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
460 }, {
461 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
462 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
463 		store_temp_max, 0, 2),
464 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
465 		store_temp_max_hyst, 0, 2),
466 	/* Should be temp2_max_alarm, see temp1_alarm note */
467 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
468 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
469 		store_temp_crit, 0, 2),
470 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
471 		0, 2),
472 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
473 	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
474 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
475 }, {
476 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
477 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
478 		store_temp_max, 0, 3),
479 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
480 		store_temp_max_hyst, 0, 3),
481 	/* Should be temp3_max_alarm, see temp1_alarm note */
482 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
483 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
484 		store_temp_crit, 0, 3),
485 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
486 		0, 3),
487 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
488 	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
489 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
490 } };
491 
492 /* Temp attr for models which can beep on temp alarm */
493 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
494 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
495 		store_temp_beep, 0, 1),
496 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
497 		store_temp_beep, 0, 5),
498 }, {
499 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
500 		store_temp_beep, 0, 2),
501 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
502 		store_temp_beep, 0, 6),
503 }, {
504 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
505 		store_temp_beep, 0, 3),
506 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
507 		store_temp_beep, 0, 7),
508 } };
509 
510 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
511 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
512 		store_temp_beep, 0, 0),
513 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
514 		store_temp_beep, 0, 4),
515 }, {
516 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
517 		store_temp_beep, 0, 1),
518 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
519 		store_temp_beep, 0, 5),
520 }, {
521 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
522 		store_temp_beep, 0, 2),
523 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
524 		store_temp_beep, 0, 6),
525 } };
526 
527 /*
528  * Temp attr for the f8000
529  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
530  * is used as hysteresis value to clear alarms
531  * Also like the f71858fg its temperature indexes start at 0
532  */
533 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
534 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
535 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
536 		store_temp_crit, 0, 0),
537 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
538 		store_temp_max, 0, 0),
539 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
540 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
541 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
542 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
543 		store_temp_crit, 0, 1),
544 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
545 		store_temp_max, 0, 1),
546 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
547 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
548 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
549 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
550 		store_temp_crit, 0, 2),
551 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
552 		store_temp_max, 0, 2),
553 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
554 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
555 };
556 
557 /* in attr for all models */
558 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
559 	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
560 	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
561 	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
562 	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
563 	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
564 	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
565 	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
566 	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
567 	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
568 	SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
569 	SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
570 };
571 
572 /* For models with in1 alarm capability */
573 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
574 	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
575 		0, 1),
576 	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
577 		0, 1),
578 	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
579 };
580 
581 /* Fan / PWM attr common to all models */
582 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
583 	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
584 	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
585 		      show_fan_full_speed,
586 		      store_fan_full_speed, 0, 0),
587 	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
588 	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
589 	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
590 		      store_pwm_enable, 0, 0),
591 	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
592 		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
593 }, {
594 	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
595 	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
596 		      show_fan_full_speed,
597 		      store_fan_full_speed, 0, 1),
598 	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
599 	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
600 	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
601 		      store_pwm_enable, 0, 1),
602 	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
603 		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
604 }, {
605 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
606 	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
607 		      show_fan_full_speed,
608 		      store_fan_full_speed, 0, 2),
609 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
610 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
611 	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
612 		      store_pwm_enable, 0, 2),
613 	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
614 		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
615 }, {
616 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
617 	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
618 		      show_fan_full_speed,
619 		      store_fan_full_speed, 0, 3),
620 	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
621 	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
622 	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
623 		      store_pwm_enable, 0, 3),
624 	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
625 		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
626 } };
627 
628 /* Attr for the third fan of the f71808a, which only has manual pwm */
629 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
630 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
631 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
632 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
633 		      show_simple_pwm, store_simple_pwm, 0, 2),
634 };
635 
636 /* Attr for models which can beep on Fan alarm */
637 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
638 	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
639 		store_fan_beep, 0, 0),
640 	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
641 		store_fan_beep, 0, 1),
642 	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
643 		store_fan_beep, 0, 2),
644 	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
645 		store_fan_beep, 0, 3),
646 };
647 
648 /*
649  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
650  * standard models
651  */
652 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
653 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
654 		      show_pwm_auto_point_channel,
655 		      store_pwm_auto_point_channel, 0, 0),
656 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
657 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
658 		      1, 0),
659 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
660 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
661 		      4, 0),
662 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
663 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
664 		      0, 0),
665 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
666 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
667 		      3, 0),
668 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
669 		      show_pwm_auto_point_temp_hyst,
670 		      store_pwm_auto_point_temp_hyst,
671 		      0, 0),
672 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
673 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
674 }, {
675 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
676 		      show_pwm_auto_point_channel,
677 		      store_pwm_auto_point_channel, 0, 1),
678 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
679 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
680 		      1, 1),
681 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
682 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
683 		      4, 1),
684 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
685 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
686 		      0, 1),
687 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
688 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
689 		      3, 1),
690 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
691 		      show_pwm_auto_point_temp_hyst,
692 		      store_pwm_auto_point_temp_hyst,
693 		      0, 1),
694 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
695 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
696 }, {
697 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
698 		      show_pwm_auto_point_channel,
699 		      store_pwm_auto_point_channel, 0, 2),
700 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
701 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
702 		      1, 2),
703 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
704 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
705 		      4, 2),
706 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
707 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
708 		      0, 2),
709 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
710 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
711 		      3, 2),
712 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
713 		      show_pwm_auto_point_temp_hyst,
714 		      store_pwm_auto_point_temp_hyst,
715 		      0, 2),
716 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
717 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
718 } };
719 
720 /*
721  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
722  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
723  * programmed instead of being hardcoded to 0xff
724  */
725 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
726 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
727 		      show_pwm_auto_point_channel,
728 		      store_pwm_auto_point_channel, 0, 0),
729 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
730 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
731 		      0, 0),
732 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
733 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
734 		      1, 0),
735 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
736 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
737 		      4, 0),
738 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
739 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
740 		      0, 0),
741 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
742 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
743 		      3, 0),
744 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
745 		      show_pwm_auto_point_temp_hyst,
746 		      store_pwm_auto_point_temp_hyst,
747 		      0, 0),
748 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
749 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
750 }, {
751 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
752 		      show_pwm_auto_point_channel,
753 		      store_pwm_auto_point_channel, 0, 1),
754 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
755 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
756 		      0, 1),
757 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
758 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
759 		      1, 1),
760 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
761 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
762 		      4, 1),
763 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
764 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
765 		      0, 1),
766 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
767 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
768 		      3, 1),
769 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
770 		      show_pwm_auto_point_temp_hyst,
771 		      store_pwm_auto_point_temp_hyst,
772 		      0, 1),
773 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
774 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
775 }, {
776 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
777 		      show_pwm_auto_point_channel,
778 		      store_pwm_auto_point_channel, 0, 2),
779 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
780 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
781 		      0, 2),
782 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
783 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
784 		      1, 2),
785 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
786 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
787 		      4, 2),
788 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
789 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
790 		      0, 2),
791 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
792 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
793 		      3, 2),
794 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
795 		      show_pwm_auto_point_temp_hyst,
796 		      store_pwm_auto_point_temp_hyst,
797 		      0, 2),
798 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
799 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
800 } };
801 
802 /* PWM attr for the standard models */
803 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
804 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
805 		      show_pwm_auto_point_channel,
806 		      store_pwm_auto_point_channel, 0, 0),
807 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
808 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
809 		      0, 0),
810 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
811 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
812 		      1, 0),
813 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
814 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
815 		      2, 0),
816 	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
817 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
818 		      3, 0),
819 	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
820 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
821 		      4, 0),
822 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
823 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
824 		      0, 0),
825 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
826 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
827 		      1, 0),
828 	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
829 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
830 		      2, 0),
831 	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
832 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
833 		      3, 0),
834 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
835 		      show_pwm_auto_point_temp_hyst,
836 		      store_pwm_auto_point_temp_hyst,
837 		      0, 0),
838 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
839 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
840 	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
841 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
842 	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
843 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
844 }, {
845 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
846 		      show_pwm_auto_point_channel,
847 		      store_pwm_auto_point_channel, 0, 1),
848 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
849 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
850 		      0, 1),
851 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
852 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
853 		      1, 1),
854 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
855 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
856 		      2, 1),
857 	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
858 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
859 		      3, 1),
860 	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
861 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
862 		      4, 1),
863 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
864 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
865 		      0, 1),
866 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
867 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
868 		      1, 1),
869 	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
870 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
871 		      2, 1),
872 	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
873 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
874 		      3, 1),
875 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
876 		      show_pwm_auto_point_temp_hyst,
877 		      store_pwm_auto_point_temp_hyst,
878 		      0, 1),
879 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
880 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
881 	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
882 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
883 	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
884 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
885 }, {
886 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
887 		      show_pwm_auto_point_channel,
888 		      store_pwm_auto_point_channel, 0, 2),
889 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
890 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
891 		      0, 2),
892 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
893 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
894 		      1, 2),
895 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
896 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
897 		      2, 2),
898 	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
899 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
900 		      3, 2),
901 	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
902 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
903 		      4, 2),
904 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
905 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
906 		      0, 2),
907 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
908 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
909 		      1, 2),
910 	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
911 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
912 		      2, 2),
913 	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
914 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
915 		      3, 2),
916 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
917 		      show_pwm_auto_point_temp_hyst,
918 		      store_pwm_auto_point_temp_hyst,
919 		      0, 2),
920 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
921 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
922 	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
923 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
924 	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
925 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
926 }, {
927 	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
928 		      show_pwm_auto_point_channel,
929 		      store_pwm_auto_point_channel, 0, 3),
930 	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
931 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
932 		      0, 3),
933 	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
934 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
935 		      1, 3),
936 	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
937 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
938 		      2, 3),
939 	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
940 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
941 		      3, 3),
942 	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
943 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
944 		      4, 3),
945 	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
946 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
947 		      0, 3),
948 	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
949 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
950 		      1, 3),
951 	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
952 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
953 		      2, 3),
954 	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
955 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
956 		      3, 3),
957 	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
958 		      show_pwm_auto_point_temp_hyst,
959 		      store_pwm_auto_point_temp_hyst,
960 		      0, 3),
961 	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
962 		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
963 	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
964 		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
965 	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
966 		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
967 } };
968 
969 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
970 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
971 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
972 };
973 
974 /*
975  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
976  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
977  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
978  */
979 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
980 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
981 		      show_pwm_auto_point_channel,
982 		      store_pwm_auto_point_channel, 0, 0),
983 	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
984 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
985 		      0, 2),
986 	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
987 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
988 		      1, 2),
989 	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
990 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
991 		      2, 2),
992 	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
993 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
994 		      3, 2),
995 	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
996 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
997 		      4, 2),
998 	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
999 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1000 		      0, 2),
1001 	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1002 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1003 		      1, 2),
1004 	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1005 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1006 		      2, 2),
1007 	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1008 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1009 		      3, 2),
1010 	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1011 		      show_pwm_auto_point_temp_hyst,
1012 		      store_pwm_auto_point_temp_hyst,
1013 		      0, 2),
1014 	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1015 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1016 	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1017 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1018 	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1019 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1020 }, {
1021 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1022 		      show_pwm_auto_point_channel,
1023 		      store_pwm_auto_point_channel, 0, 1),
1024 	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1025 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1026 		      0, 0),
1027 	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1028 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1029 		      1, 0),
1030 	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1031 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1032 		      2, 0),
1033 	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1034 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1035 		      3, 0),
1036 	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1037 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1038 		      4, 0),
1039 	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1040 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1041 		      0, 0),
1042 	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
1043 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1044 		      1, 0),
1045 	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
1046 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1047 		      2, 0),
1048 	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
1049 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1050 		      3, 0),
1051 	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1052 		      show_pwm_auto_point_temp_hyst,
1053 		      store_pwm_auto_point_temp_hyst,
1054 		      0, 0),
1055 	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
1056 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1057 	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
1058 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1059 	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
1060 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1061 }, {
1062 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1063 		      show_pwm_auto_point_channel,
1064 		      store_pwm_auto_point_channel, 0, 2),
1065 	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1066 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1067 		      0, 1),
1068 	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1069 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1070 		      1, 1),
1071 	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1072 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1073 		      2, 1),
1074 	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1075 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1076 		      3, 1),
1077 	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1078 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1079 		      4, 1),
1080 	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
1081 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1082 		      0, 1),
1083 	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
1084 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1085 		      1, 1),
1086 	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
1087 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1088 		      2, 1),
1089 	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
1090 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1091 		      3, 1),
1092 	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1093 		      show_pwm_auto_point_temp_hyst,
1094 		      store_pwm_auto_point_temp_hyst,
1095 		      0, 1),
1096 	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
1097 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1098 	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
1099 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1100 	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
1101 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1102 } };
1103 
1104 /* Super I/O functions */
1105 static inline int superio_inb(int base, int reg)
1106 {
1107 	outb(reg, base);
1108 	return inb(base + 1);
1109 }
1110 
1111 static int superio_inw(int base, int reg)
1112 {
1113 	int val;
1114 	val  = superio_inb(base, reg) << 8;
1115 	val |= superio_inb(base, reg + 1);
1116 	return val;
1117 }
1118 
1119 static inline int superio_enter(int base)
1120 {
1121 	/* Don't step on other drivers' I/O space by accident */
1122 	if (!request_muxed_region(base, 2, DRVNAME)) {
1123 		pr_err("I/O address 0x%04x already in use\n", base);
1124 		return -EBUSY;
1125 	}
1126 
1127 	/* according to the datasheet the key must be send twice! */
1128 	outb(SIO_UNLOCK_KEY, base);
1129 	outb(SIO_UNLOCK_KEY, base);
1130 
1131 	return 0;
1132 }
1133 
1134 static inline void superio_select(int base, int ld)
1135 {
1136 	outb(SIO_REG_LDSEL, base);
1137 	outb(ld, base + 1);
1138 }
1139 
1140 static inline void superio_exit(int base)
1141 {
1142 	outb(SIO_LOCK_KEY, base);
1143 	release_region(base, 2);
1144 }
1145 
1146 static inline int fan_from_reg(u16 reg)
1147 {
1148 	return reg ? (1500000 / reg) : 0;
1149 }
1150 
1151 static inline u16 fan_to_reg(int fan)
1152 {
1153 	return fan ? (1500000 / fan) : 0;
1154 }
1155 
1156 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
1157 {
1158 	u8 val;
1159 
1160 	outb(reg, data->addr + ADDR_REG_OFFSET);
1161 	val = inb(data->addr + DATA_REG_OFFSET);
1162 
1163 	return val;
1164 }
1165 
1166 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
1167 {
1168 	u16 val;
1169 
1170 	val  = f71882fg_read8(data, reg) << 8;
1171 	val |= f71882fg_read8(data, reg + 1);
1172 
1173 	return val;
1174 }
1175 
1176 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
1177 {
1178 	outb(reg, data->addr + ADDR_REG_OFFSET);
1179 	outb(val, data->addr + DATA_REG_OFFSET);
1180 }
1181 
1182 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
1183 {
1184 	f71882fg_write8(data, reg,     val >> 8);
1185 	f71882fg_write8(data, reg + 1, val & 0xff);
1186 }
1187 
1188 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
1189 {
1190 	if (data->type == f71858fg)
1191 		return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
1192 	else
1193 		return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
1194 }
1195 
1196 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
1197 {
1198 	struct f71882fg_data *data = dev_get_drvdata(dev);
1199 	int nr_fans = f71882fg_nr_fans[data->type];
1200 	int nr_temps = f71882fg_nr_temps[data->type];
1201 	int nr, reg, point;
1202 
1203 	mutex_lock(&data->update_lock);
1204 
1205 	/* Update once every 60 seconds */
1206 	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
1207 			!data->valid) {
1208 		if (f71882fg_has_in1_alarm[data->type]) {
1209 			if (data->type == f81866a) {
1210 				data->in1_max =
1211 					f71882fg_read8(data,
1212 						       F81866_REG_IN1_HIGH);
1213 				data->in_beep =
1214 					f71882fg_read8(data,
1215 						       F81866_REG_IN_BEEP);
1216 			} else {
1217 				data->in1_max =
1218 					f71882fg_read8(data,
1219 						       F71882FG_REG_IN1_HIGH);
1220 				data->in_beep =
1221 					f71882fg_read8(data,
1222 						       F71882FG_REG_IN_BEEP);
1223 			}
1224 		}
1225 
1226 		/* Get High & boundary temps*/
1227 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1228 									nr++) {
1229 			data->temp_ovt[nr] = f71882fg_read8(data,
1230 						F71882FG_REG_TEMP_OVT(nr));
1231 			data->temp_high[nr] = f71882fg_read8(data,
1232 						F71882FG_REG_TEMP_HIGH(nr));
1233 		}
1234 
1235 		if (data->type != f8000) {
1236 			data->temp_hyst[0] = f71882fg_read8(data,
1237 						F71882FG_REG_TEMP_HYST(0));
1238 			data->temp_hyst[1] = f71882fg_read8(data,
1239 						F71882FG_REG_TEMP_HYST(1));
1240 		}
1241 		/* All but the f71858fg / f8000 have this register */
1242 		if ((data->type != f71858fg) && (data->type != f8000)) {
1243 			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
1244 			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
1245 			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
1246 			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
1247 		}
1248 
1249 		if (f71882fg_fan_has_beep[data->type])
1250 			data->fan_beep = f71882fg_read8(data,
1251 						F71882FG_REG_FAN_BEEP);
1252 
1253 		if (f71882fg_temp_has_beep[data->type])
1254 			data->temp_beep = f71882fg_read8(data,
1255 						F71882FG_REG_TEMP_BEEP);
1256 
1257 		data->pwm_enable = f71882fg_read8(data,
1258 						  F71882FG_REG_PWM_ENABLE);
1259 		data->pwm_auto_point_hyst[0] =
1260 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
1261 		data->pwm_auto_point_hyst[1] =
1262 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
1263 
1264 		for (nr = 0; nr < nr_fans; nr++) {
1265 			data->pwm_auto_point_mapping[nr] =
1266 			    f71882fg_read8(data,
1267 					   F71882FG_REG_POINT_MAPPING(nr));
1268 
1269 			switch (data->type) {
1270 			default:
1271 				for (point = 0; point < 5; point++) {
1272 					data->pwm_auto_point_pwm[nr][point] =
1273 						f71882fg_read8(data,
1274 							F71882FG_REG_POINT_PWM
1275 							(nr, point));
1276 				}
1277 				for (point = 0; point < 4; point++) {
1278 					data->pwm_auto_point_temp[nr][point] =
1279 						f71882fg_read8(data,
1280 							F71882FG_REG_POINT_TEMP
1281 							(nr, point));
1282 				}
1283 				break;
1284 			case f71808e:
1285 			case f71869:
1286 				data->pwm_auto_point_pwm[nr][0] =
1287 					f71882fg_read8(data,
1288 						F71882FG_REG_POINT_PWM(nr, 0));
1289 				fallthrough;
1290 			case f71862fg:
1291 				data->pwm_auto_point_pwm[nr][1] =
1292 					f71882fg_read8(data,
1293 						F71882FG_REG_POINT_PWM
1294 						(nr, 1));
1295 				data->pwm_auto_point_pwm[nr][4] =
1296 					f71882fg_read8(data,
1297 						F71882FG_REG_POINT_PWM
1298 						(nr, 4));
1299 				data->pwm_auto_point_temp[nr][0] =
1300 					f71882fg_read8(data,
1301 						F71882FG_REG_POINT_TEMP
1302 						(nr, 0));
1303 				data->pwm_auto_point_temp[nr][3] =
1304 					f71882fg_read8(data,
1305 						F71882FG_REG_POINT_TEMP
1306 						(nr, 3));
1307 				break;
1308 			}
1309 		}
1310 		data->last_limits = jiffies;
1311 	}
1312 
1313 	/* Update every second */
1314 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
1315 		data->temp_status = f71882fg_read8(data,
1316 						F71882FG_REG_TEMP_STATUS);
1317 		data->temp_diode_open = f71882fg_read8(data,
1318 						F71882FG_REG_TEMP_DIODE_OPEN);
1319 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
1320 									nr++)
1321 			data->temp[nr] = f71882fg_read_temp(data, nr);
1322 
1323 		data->fan_status = f71882fg_read8(data,
1324 						F71882FG_REG_FAN_STATUS);
1325 		for (nr = 0; nr < nr_fans; nr++) {
1326 			data->fan[nr] = f71882fg_read16(data,
1327 						F71882FG_REG_FAN(nr));
1328 			data->fan_target[nr] =
1329 			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
1330 			data->fan_full_speed[nr] =
1331 			    f71882fg_read16(data,
1332 					    F71882FG_REG_FAN_FULL_SPEED(nr));
1333 			data->pwm[nr] =
1334 			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
1335 		}
1336 		/* Some models have 1 more fan with limited capabilities */
1337 		if (data->type == f71808a) {
1338 			data->fan[2] = f71882fg_read16(data,
1339 						F71882FG_REG_FAN(2));
1340 			data->pwm[2] = f71882fg_read8(data,
1341 							F71882FG_REG_PWM(2));
1342 		}
1343 		if (data->type == f8000)
1344 			data->fan[3] = f71882fg_read16(data,
1345 						F71882FG_REG_FAN(3));
1346 
1347 		if (f71882fg_has_in1_alarm[data->type]) {
1348 			if (data->type == f81866a)
1349 				data->in_status = f71882fg_read8(data,
1350 						F81866_REG_IN_STATUS);
1351 
1352 			else
1353 				data->in_status = f71882fg_read8(data,
1354 						F71882FG_REG_IN_STATUS);
1355 		}
1356 
1357 		for (nr = 0; nr < F71882FG_MAX_INS; nr++)
1358 			if (f71882fg_has_in[data->type][nr])
1359 				data->in[nr] = f71882fg_read8(data,
1360 							F71882FG_REG_IN(nr));
1361 
1362 		data->last_updated = jiffies;
1363 		data->valid = true;
1364 	}
1365 
1366 	mutex_unlock(&data->update_lock);
1367 
1368 	return data;
1369 }
1370 
1371 /* Sysfs Interface */
1372 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1373 	char *buf)
1374 {
1375 	struct f71882fg_data *data = f71882fg_update_device(dev);
1376 	int nr = to_sensor_dev_attr_2(devattr)->index;
1377 	int speed = fan_from_reg(data->fan[nr]);
1378 
1379 	if (speed == FAN_MIN_DETECT)
1380 		speed = 0;
1381 
1382 	return sprintf(buf, "%d\n", speed);
1383 }
1384 
1385 static ssize_t show_fan_full_speed(struct device *dev,
1386 				   struct device_attribute *devattr, char *buf)
1387 {
1388 	struct f71882fg_data *data = f71882fg_update_device(dev);
1389 	int nr = to_sensor_dev_attr_2(devattr)->index;
1390 	int speed = fan_from_reg(data->fan_full_speed[nr]);
1391 	return sprintf(buf, "%d\n", speed);
1392 }
1393 
1394 static ssize_t store_fan_full_speed(struct device *dev,
1395 				    struct device_attribute *devattr,
1396 				    const char *buf, size_t count)
1397 {
1398 	struct f71882fg_data *data = dev_get_drvdata(dev);
1399 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1400 	long val;
1401 
1402 	err = kstrtol(buf, 10, &val);
1403 	if (err)
1404 		return err;
1405 
1406 	val = clamp_val(val, 23, 1500000);
1407 	val = fan_to_reg(val);
1408 
1409 	mutex_lock(&data->update_lock);
1410 	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1411 	data->fan_full_speed[nr] = val;
1412 	mutex_unlock(&data->update_lock);
1413 
1414 	return count;
1415 }
1416 
1417 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1418 	*devattr, char *buf)
1419 {
1420 	struct f71882fg_data *data = f71882fg_update_device(dev);
1421 	int nr = to_sensor_dev_attr_2(devattr)->index;
1422 
1423 	if (data->fan_beep & (1 << nr))
1424 		return sprintf(buf, "1\n");
1425 	else
1426 		return sprintf(buf, "0\n");
1427 }
1428 
1429 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1430 	*devattr, const char *buf, size_t count)
1431 {
1432 	struct f71882fg_data *data = dev_get_drvdata(dev);
1433 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1434 	unsigned long val;
1435 
1436 	err = kstrtoul(buf, 10, &val);
1437 	if (err)
1438 		return err;
1439 
1440 	mutex_lock(&data->update_lock);
1441 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1442 	if (val)
1443 		data->fan_beep |= 1 << nr;
1444 	else
1445 		data->fan_beep &= ~(1 << nr);
1446 
1447 	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1448 	mutex_unlock(&data->update_lock);
1449 
1450 	return count;
1451 }
1452 
1453 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1454 	*devattr, char *buf)
1455 {
1456 	struct f71882fg_data *data = f71882fg_update_device(dev);
1457 	int nr = to_sensor_dev_attr_2(devattr)->index;
1458 
1459 	if (data->fan_status & (1 << nr))
1460 		return sprintf(buf, "1\n");
1461 	else
1462 		return sprintf(buf, "0\n");
1463 }
1464 
1465 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
1466 	char *buf)
1467 {
1468 	struct f71882fg_data *data = f71882fg_update_device(dev);
1469 	int nr = to_sensor_dev_attr_2(devattr)->index;
1470 
1471 	return sprintf(buf, "%d\n", data->in[nr] * 8);
1472 }
1473 
1474 static ssize_t show_in_max(struct device *dev, struct device_attribute
1475 	*devattr, char *buf)
1476 {
1477 	struct f71882fg_data *data = f71882fg_update_device(dev);
1478 
1479 	return sprintf(buf, "%d\n", data->in1_max * 8);
1480 }
1481 
1482 static ssize_t store_in_max(struct device *dev, struct device_attribute
1483 	*devattr, const char *buf, size_t count)
1484 {
1485 	struct f71882fg_data *data = dev_get_drvdata(dev);
1486 	int err;
1487 	long val;
1488 
1489 	err = kstrtol(buf, 10, &val);
1490 	if (err)
1491 		return err;
1492 
1493 	val /= 8;
1494 	val = clamp_val(val, 0, 255);
1495 
1496 	mutex_lock(&data->update_lock);
1497 	if (data->type == f81866a)
1498 		f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
1499 	else
1500 		f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
1501 	data->in1_max = val;
1502 	mutex_unlock(&data->update_lock);
1503 
1504 	return count;
1505 }
1506 
1507 static ssize_t show_in_beep(struct device *dev, struct device_attribute
1508 	*devattr, char *buf)
1509 {
1510 	struct f71882fg_data *data = f71882fg_update_device(dev);
1511 	int nr = to_sensor_dev_attr_2(devattr)->index;
1512 
1513 	if (data->in_beep & (1 << nr))
1514 		return sprintf(buf, "1\n");
1515 	else
1516 		return sprintf(buf, "0\n");
1517 }
1518 
1519 static ssize_t store_in_beep(struct device *dev, struct device_attribute
1520 	*devattr, const char *buf, size_t count)
1521 {
1522 	struct f71882fg_data *data = dev_get_drvdata(dev);
1523 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1524 	unsigned long val;
1525 
1526 	err = kstrtoul(buf, 10, &val);
1527 	if (err)
1528 		return err;
1529 
1530 	mutex_lock(&data->update_lock);
1531 	if (data->type == f81866a)
1532 		data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
1533 	else
1534 		data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
1535 
1536 	if (val)
1537 		data->in_beep |= 1 << nr;
1538 	else
1539 		data->in_beep &= ~(1 << nr);
1540 
1541 	if (data->type == f81866a)
1542 		f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1543 	else
1544 		f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1545 	mutex_unlock(&data->update_lock);
1546 
1547 	return count;
1548 }
1549 
1550 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1551 	*devattr, char *buf)
1552 {
1553 	struct f71882fg_data *data = f71882fg_update_device(dev);
1554 	int nr = to_sensor_dev_attr_2(devattr)->index;
1555 
1556 	if (data->in_status & (1 << nr))
1557 		return sprintf(buf, "1\n");
1558 	else
1559 		return sprintf(buf, "0\n");
1560 }
1561 
1562 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
1563 	char *buf)
1564 {
1565 	struct f71882fg_data *data = f71882fg_update_device(dev);
1566 	int nr = to_sensor_dev_attr_2(devattr)->index;
1567 	int sign, temp;
1568 
1569 	if (data->type == f71858fg) {
1570 		/* TEMP_TABLE_SEL 1 or 3 ? */
1571 		if (data->temp_config & 1) {
1572 			sign = data->temp[nr] & 0x0001;
1573 			temp = (data->temp[nr] >> 5) & 0x7ff;
1574 		} else {
1575 			sign = data->temp[nr] & 0x8000;
1576 			temp = (data->temp[nr] >> 5) & 0x3ff;
1577 		}
1578 		temp *= 125;
1579 		if (sign)
1580 			temp -= 128000;
1581 	} else {
1582 		temp = ((s8)data->temp[nr]) * 1000;
1583 	}
1584 
1585 	return sprintf(buf, "%d\n", temp);
1586 }
1587 
1588 static ssize_t show_temp_max(struct device *dev, struct device_attribute
1589 	*devattr, char *buf)
1590 {
1591 	struct f71882fg_data *data = f71882fg_update_device(dev);
1592 	int nr = to_sensor_dev_attr_2(devattr)->index;
1593 
1594 	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
1595 }
1596 
1597 static ssize_t store_temp_max(struct device *dev, struct device_attribute
1598 	*devattr, const char *buf, size_t count)
1599 {
1600 	struct f71882fg_data *data = dev_get_drvdata(dev);
1601 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1602 	long val;
1603 
1604 	err = kstrtol(buf, 10, &val);
1605 	if (err)
1606 		return err;
1607 
1608 	val /= 1000;
1609 	val = clamp_val(val, 0, 255);
1610 
1611 	mutex_lock(&data->update_lock);
1612 	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
1613 	data->temp_high[nr] = val;
1614 	mutex_unlock(&data->update_lock);
1615 
1616 	return count;
1617 }
1618 
1619 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
1620 	*devattr, char *buf)
1621 {
1622 	struct f71882fg_data *data = f71882fg_update_device(dev);
1623 	int nr = to_sensor_dev_attr_2(devattr)->index;
1624 	int temp_max_hyst;
1625 
1626 	mutex_lock(&data->update_lock);
1627 	if (nr & 1)
1628 		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
1629 	else
1630 		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
1631 	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1632 	mutex_unlock(&data->update_lock);
1633 
1634 	return sprintf(buf, "%d\n", temp_max_hyst);
1635 }
1636 
1637 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
1638 	*devattr, const char *buf, size_t count)
1639 {
1640 	struct f71882fg_data *data = dev_get_drvdata(dev);
1641 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1642 	ssize_t ret = count;
1643 	u8 reg;
1644 	long val;
1645 
1646 	err = kstrtol(buf, 10, &val);
1647 	if (err)
1648 		return err;
1649 
1650 	val /= 1000;
1651 
1652 	mutex_lock(&data->update_lock);
1653 
1654 	/* convert abs to relative and check */
1655 	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
1656 	val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
1657 	val = data->temp_high[nr] - val;
1658 
1659 	/* convert value to register contents */
1660 	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
1661 	if (nr & 1)
1662 		reg = (reg & 0x0f) | (val << 4);
1663 	else
1664 		reg = (reg & 0xf0) | val;
1665 	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
1666 	data->temp_hyst[nr / 2] = reg;
1667 
1668 	mutex_unlock(&data->update_lock);
1669 	return ret;
1670 }
1671 
1672 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
1673 	*devattr, char *buf)
1674 {
1675 	struct f71882fg_data *data = f71882fg_update_device(dev);
1676 	int nr = to_sensor_dev_attr_2(devattr)->index;
1677 
1678 	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
1679 }
1680 
1681 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
1682 	*devattr, const char *buf, size_t count)
1683 {
1684 	struct f71882fg_data *data = dev_get_drvdata(dev);
1685 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1686 	long val;
1687 
1688 	err = kstrtol(buf, 10, &val);
1689 	if (err)
1690 		return err;
1691 
1692 	val /= 1000;
1693 	val = clamp_val(val, 0, 255);
1694 
1695 	mutex_lock(&data->update_lock);
1696 	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
1697 	data->temp_ovt[nr] = val;
1698 	mutex_unlock(&data->update_lock);
1699 
1700 	return count;
1701 }
1702 
1703 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
1704 	*devattr, char *buf)
1705 {
1706 	struct f71882fg_data *data = f71882fg_update_device(dev);
1707 	int nr = to_sensor_dev_attr_2(devattr)->index;
1708 	int temp_crit_hyst;
1709 
1710 	mutex_lock(&data->update_lock);
1711 	if (nr & 1)
1712 		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
1713 	else
1714 		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
1715 	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1716 	mutex_unlock(&data->update_lock);
1717 
1718 	return sprintf(buf, "%d\n", temp_crit_hyst);
1719 }
1720 
1721 static ssize_t show_temp_type(struct device *dev, struct device_attribute
1722 	*devattr, char *buf)
1723 {
1724 	struct f71882fg_data *data = f71882fg_update_device(dev);
1725 	int nr = to_sensor_dev_attr_2(devattr)->index;
1726 
1727 	return sprintf(buf, "%d\n", data->temp_type[nr]);
1728 }
1729 
1730 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
1731 	*devattr, char *buf)
1732 {
1733 	struct f71882fg_data *data = f71882fg_update_device(dev);
1734 	int nr = to_sensor_dev_attr_2(devattr)->index;
1735 
1736 	if (data->temp_beep & (1 << nr))
1737 		return sprintf(buf, "1\n");
1738 	else
1739 		return sprintf(buf, "0\n");
1740 }
1741 
1742 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
1743 	*devattr, const char *buf, size_t count)
1744 {
1745 	struct f71882fg_data *data = dev_get_drvdata(dev);
1746 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1747 	unsigned long val;
1748 
1749 	err = kstrtoul(buf, 10, &val);
1750 	if (err)
1751 		return err;
1752 
1753 	mutex_lock(&data->update_lock);
1754 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1755 	if (val)
1756 		data->temp_beep |= 1 << nr;
1757 	else
1758 		data->temp_beep &= ~(1 << nr);
1759 
1760 	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
1761 	mutex_unlock(&data->update_lock);
1762 
1763 	return count;
1764 }
1765 
1766 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
1767 	*devattr, char *buf)
1768 {
1769 	struct f71882fg_data *data = f71882fg_update_device(dev);
1770 	int nr = to_sensor_dev_attr_2(devattr)->index;
1771 
1772 	if (data->temp_status & (1 << nr))
1773 		return sprintf(buf, "1\n");
1774 	else
1775 		return sprintf(buf, "0\n");
1776 }
1777 
1778 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
1779 	*devattr, char *buf)
1780 {
1781 	struct f71882fg_data *data = f71882fg_update_device(dev);
1782 	int nr = to_sensor_dev_attr_2(devattr)->index;
1783 
1784 	if (data->temp_diode_open & (1 << nr))
1785 		return sprintf(buf, "1\n");
1786 	else
1787 		return sprintf(buf, "0\n");
1788 }
1789 
1790 static ssize_t show_pwm(struct device *dev,
1791 			struct device_attribute *devattr, char *buf)
1792 {
1793 	struct f71882fg_data *data = f71882fg_update_device(dev);
1794 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1795 	mutex_lock(&data->update_lock);
1796 	if (data->pwm_enable & (1 << (2 * nr)))
1797 		/* PWM mode */
1798 		val = data->pwm[nr];
1799 	else {
1800 		/* RPM mode */
1801 		val = 255 * fan_from_reg(data->fan_target[nr])
1802 			/ fan_from_reg(data->fan_full_speed[nr]);
1803 	}
1804 	mutex_unlock(&data->update_lock);
1805 	return sprintf(buf, "%d\n", val);
1806 }
1807 
1808 static ssize_t store_pwm(struct device *dev,
1809 			 struct device_attribute *devattr, const char *buf,
1810 			 size_t count)
1811 {
1812 	struct f71882fg_data *data = dev_get_drvdata(dev);
1813 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1814 	long val;
1815 
1816 	err = kstrtol(buf, 10, &val);
1817 	if (err)
1818 		return err;
1819 
1820 	val = clamp_val(val, 0, 255);
1821 
1822 	mutex_lock(&data->update_lock);
1823 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1824 	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1825 	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1826 		count = -EROFS;
1827 		goto leave;
1828 	}
1829 	if (data->pwm_enable & (1 << (2 * nr))) {
1830 		/* PWM mode */
1831 		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1832 		data->pwm[nr] = val;
1833 	} else {
1834 		/* RPM mode */
1835 		int target, full_speed;
1836 		full_speed = f71882fg_read16(data,
1837 					     F71882FG_REG_FAN_FULL_SPEED(nr));
1838 		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1839 		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1840 		data->fan_target[nr] = target;
1841 		data->fan_full_speed[nr] = full_speed;
1842 	}
1843 leave:
1844 	mutex_unlock(&data->update_lock);
1845 
1846 	return count;
1847 }
1848 
1849 static ssize_t show_simple_pwm(struct device *dev,
1850 			       struct device_attribute *devattr, char *buf)
1851 {
1852 	struct f71882fg_data *data = f71882fg_update_device(dev);
1853 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1854 
1855 	val = data->pwm[nr];
1856 	return sprintf(buf, "%d\n", val);
1857 }
1858 
1859 static ssize_t store_simple_pwm(struct device *dev,
1860 				struct device_attribute *devattr,
1861 				const char *buf, size_t count)
1862 {
1863 	struct f71882fg_data *data = dev_get_drvdata(dev);
1864 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1865 	long val;
1866 
1867 	err = kstrtol(buf, 10, &val);
1868 	if (err)
1869 		return err;
1870 
1871 	val = clamp_val(val, 0, 255);
1872 
1873 	mutex_lock(&data->update_lock);
1874 	f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1875 	data->pwm[nr] = val;
1876 	mutex_unlock(&data->update_lock);
1877 
1878 	return count;
1879 }
1880 
1881 static ssize_t show_pwm_enable(struct device *dev,
1882 			       struct device_attribute *devattr, char *buf)
1883 {
1884 	int result = 0;
1885 	struct f71882fg_data *data = f71882fg_update_device(dev);
1886 	int nr = to_sensor_dev_attr_2(devattr)->index;
1887 
1888 	switch ((data->pwm_enable >> 2 * nr) & 3) {
1889 	case 0:
1890 	case 1:
1891 		result = 2; /* Normal auto mode */
1892 		break;
1893 	case 2:
1894 		result = 1; /* Manual mode */
1895 		break;
1896 	case 3:
1897 		if (data->type == f8000)
1898 			result = 3; /* Thermostat mode */
1899 		else
1900 			result = 1; /* Manual mode */
1901 		break;
1902 	}
1903 
1904 	return sprintf(buf, "%d\n", result);
1905 }
1906 
1907 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1908 				*devattr, const char *buf, size_t count)
1909 {
1910 	struct f71882fg_data *data = dev_get_drvdata(dev);
1911 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1912 	long val;
1913 
1914 	err = kstrtol(buf, 10, &val);
1915 	if (err)
1916 		return err;
1917 
1918 	/* Special case for F8000 pwm channel 3 which only does auto mode */
1919 	if (data->type == f8000 && nr == 2 && val != 2)
1920 		return -EINVAL;
1921 
1922 	mutex_lock(&data->update_lock);
1923 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1924 	/* Special case for F8000 auto PWM mode / Thermostat mode */
1925 	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1926 		switch (val) {
1927 		case 2:
1928 			data->pwm_enable &= ~(2 << (2 * nr));
1929 			break;		/* Normal auto mode */
1930 		case 3:
1931 			data->pwm_enable |= 2 << (2 * nr);
1932 			break;		/* Thermostat mode */
1933 		default:
1934 			count = -EINVAL;
1935 			goto leave;
1936 		}
1937 	} else {
1938 		switch (val) {
1939 		case 1:
1940 			/* The f71858fg does not support manual RPM mode */
1941 			if (data->type == f71858fg &&
1942 			    ((data->pwm_enable >> (2 * nr)) & 1)) {
1943 				count = -EINVAL;
1944 				goto leave;
1945 			}
1946 			data->pwm_enable |= 2 << (2 * nr);
1947 			break;		/* Manual */
1948 		case 2:
1949 			data->pwm_enable &= ~(2 << (2 * nr));
1950 			break;		/* Normal auto mode */
1951 		default:
1952 			count = -EINVAL;
1953 			goto leave;
1954 		}
1955 	}
1956 	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1957 leave:
1958 	mutex_unlock(&data->update_lock);
1959 
1960 	return count;
1961 }
1962 
1963 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1964 				       struct device_attribute *devattr,
1965 				       char *buf)
1966 {
1967 	int result;
1968 	struct f71882fg_data *data = f71882fg_update_device(dev);
1969 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1970 	int point = to_sensor_dev_attr_2(devattr)->nr;
1971 
1972 	mutex_lock(&data->update_lock);
1973 	if (data->pwm_enable & (1 << (2 * pwm))) {
1974 		/* PWM mode */
1975 		result = data->pwm_auto_point_pwm[pwm][point];
1976 	} else {
1977 		/* RPM mode */
1978 		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1979 	}
1980 	mutex_unlock(&data->update_lock);
1981 
1982 	return sprintf(buf, "%d\n", result);
1983 }
1984 
1985 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1986 					struct device_attribute *devattr,
1987 					const char *buf, size_t count)
1988 {
1989 	struct f71882fg_data *data = dev_get_drvdata(dev);
1990 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1991 	int point = to_sensor_dev_attr_2(devattr)->nr;
1992 	long val;
1993 
1994 	err = kstrtol(buf, 10, &val);
1995 	if (err)
1996 		return err;
1997 
1998 	val = clamp_val(val, 0, 255);
1999 
2000 	mutex_lock(&data->update_lock);
2001 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2002 	if (data->pwm_enable & (1 << (2 * pwm))) {
2003 		/* PWM mode */
2004 	} else {
2005 		/* RPM mode */
2006 		if (val < 29)	/* Prevent negative numbers */
2007 			val = 255;
2008 		else
2009 			val = (255 - val) * 32 / val;
2010 	}
2011 	f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
2012 	data->pwm_auto_point_pwm[pwm][point] = val;
2013 	mutex_unlock(&data->update_lock);
2014 
2015 	return count;
2016 }
2017 
2018 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
2019 					     struct device_attribute *devattr,
2020 					     char *buf)
2021 {
2022 	int result = 0;
2023 	struct f71882fg_data *data = f71882fg_update_device(dev);
2024 	int nr = to_sensor_dev_attr_2(devattr)->index;
2025 	int point = to_sensor_dev_attr_2(devattr)->nr;
2026 
2027 	mutex_lock(&data->update_lock);
2028 	if (nr & 1)
2029 		result = data->pwm_auto_point_hyst[nr / 2] >> 4;
2030 	else
2031 		result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
2032 	result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
2033 	mutex_unlock(&data->update_lock);
2034 
2035 	return sprintf(buf, "%d\n", result);
2036 }
2037 
2038 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
2039 					      struct device_attribute *devattr,
2040 					      const char *buf, size_t count)
2041 {
2042 	struct f71882fg_data *data = dev_get_drvdata(dev);
2043 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2044 	int point = to_sensor_dev_attr_2(devattr)->nr;
2045 	u8 reg;
2046 	long val;
2047 
2048 	err = kstrtol(buf, 10, &val);
2049 	if (err)
2050 		return err;
2051 
2052 	val /= 1000;
2053 
2054 	mutex_lock(&data->update_lock);
2055 	data->pwm_auto_point_temp[nr][point] =
2056 		f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
2057 	val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
2058 			data->pwm_auto_point_temp[nr][point]);
2059 	val = data->pwm_auto_point_temp[nr][point] - val;
2060 
2061 	reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
2062 	if (nr & 1)
2063 		reg = (reg & 0x0f) | (val << 4);
2064 	else
2065 		reg = (reg & 0xf0) | val;
2066 
2067 	f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
2068 	data->pwm_auto_point_hyst[nr / 2] = reg;
2069 	mutex_unlock(&data->update_lock);
2070 
2071 	return count;
2072 }
2073 
2074 static ssize_t show_pwm_interpolate(struct device *dev,
2075 				    struct device_attribute *devattr, char *buf)
2076 {
2077 	int result;
2078 	struct f71882fg_data *data = f71882fg_update_device(dev);
2079 	int nr = to_sensor_dev_attr_2(devattr)->index;
2080 
2081 	result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
2082 
2083 	return sprintf(buf, "%d\n", result);
2084 }
2085 
2086 static ssize_t store_pwm_interpolate(struct device *dev,
2087 				     struct device_attribute *devattr,
2088 				     const char *buf, size_t count)
2089 {
2090 	struct f71882fg_data *data = dev_get_drvdata(dev);
2091 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2092 	unsigned long val;
2093 
2094 	err = kstrtoul(buf, 10, &val);
2095 	if (err)
2096 		return err;
2097 
2098 	mutex_lock(&data->update_lock);
2099 	data->pwm_auto_point_mapping[nr] =
2100 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2101 	if (val)
2102 		val = data->pwm_auto_point_mapping[nr] | (1 << 4);
2103 	else
2104 		val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
2105 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2106 	data->pwm_auto_point_mapping[nr] = val;
2107 	mutex_unlock(&data->update_lock);
2108 
2109 	return count;
2110 }
2111 
2112 static ssize_t show_pwm_auto_point_channel(struct device *dev,
2113 					   struct device_attribute *devattr,
2114 					   char *buf)
2115 {
2116 	int result;
2117 	struct f71882fg_data *data = f71882fg_update_device(dev);
2118 	int nr = to_sensor_dev_attr_2(devattr)->index;
2119 
2120 	result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
2121 		       data->temp_start);
2122 
2123 	return sprintf(buf, "%d\n", result);
2124 }
2125 
2126 static ssize_t store_pwm_auto_point_channel(struct device *dev,
2127 					    struct device_attribute *devattr,
2128 					    const char *buf, size_t count)
2129 {
2130 	struct f71882fg_data *data = dev_get_drvdata(dev);
2131 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
2132 	long val;
2133 
2134 	err = kstrtol(buf, 10, &val);
2135 	if (err)
2136 		return err;
2137 
2138 	switch (val) {
2139 	case 1:
2140 		val = 0;
2141 		break;
2142 	case 2:
2143 		val = 1;
2144 		break;
2145 	case 4:
2146 		val = 2;
2147 		break;
2148 	default:
2149 		return -EINVAL;
2150 	}
2151 	val += data->temp_start;
2152 	mutex_lock(&data->update_lock);
2153 	data->pwm_auto_point_mapping[nr] =
2154 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
2155 	val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
2156 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
2157 	data->pwm_auto_point_mapping[nr] = val;
2158 	mutex_unlock(&data->update_lock);
2159 
2160 	return count;
2161 }
2162 
2163 static ssize_t show_pwm_auto_point_temp(struct device *dev,
2164 					struct device_attribute *devattr,
2165 					char *buf)
2166 {
2167 	int result;
2168 	struct f71882fg_data *data = f71882fg_update_device(dev);
2169 	int pwm = to_sensor_dev_attr_2(devattr)->index;
2170 	int point = to_sensor_dev_attr_2(devattr)->nr;
2171 
2172 	result = data->pwm_auto_point_temp[pwm][point];
2173 	return sprintf(buf, "%d\n", 1000 * result);
2174 }
2175 
2176 static ssize_t store_pwm_auto_point_temp(struct device *dev,
2177 					 struct device_attribute *devattr,
2178 					 const char *buf, size_t count)
2179 {
2180 	struct f71882fg_data *data = dev_get_drvdata(dev);
2181 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
2182 	int point = to_sensor_dev_attr_2(devattr)->nr;
2183 	long val;
2184 
2185 	err = kstrtol(buf, 10, &val);
2186 	if (err)
2187 		return err;
2188 
2189 	val /= 1000;
2190 
2191 	if (data->auto_point_temp_signed)
2192 		val = clamp_val(val, -128, 127);
2193 	else
2194 		val = clamp_val(val, 0, 127);
2195 
2196 	mutex_lock(&data->update_lock);
2197 	f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
2198 	data->pwm_auto_point_temp[pwm][point] = val;
2199 	mutex_unlock(&data->update_lock);
2200 
2201 	return count;
2202 }
2203 
2204 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
2205 	char *buf)
2206 {
2207 	struct f71882fg_data *data = dev_get_drvdata(dev);
2208 	return sprintf(buf, "%s\n", f71882fg_names[data->type]);
2209 }
2210 
2211 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2212 	struct sensor_device_attribute_2 *attr, int count)
2213 {
2214 	int err, i;
2215 
2216 	for (i = 0; i < count; i++) {
2217 		err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2218 		if (err)
2219 			return err;
2220 	}
2221 	return 0;
2222 }
2223 
2224 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2225 	struct sensor_device_attribute_2 *attr, int count)
2226 {
2227 	int i;
2228 
2229 	for (i = 0; i < count; i++)
2230 		device_remove_file(&pdev->dev, &attr[i].dev_attr);
2231 }
2232 
2233 static int f71882fg_create_fan_sysfs_files(
2234 	struct platform_device *pdev, int idx)
2235 {
2236 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2237 	int err;
2238 
2239 	/* Sanity check the pwm setting */
2240 	err = 0;
2241 	switch (data->type) {
2242 	case f71858fg:
2243 		if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2244 			err = 1;
2245 		break;
2246 	case f71862fg:
2247 		if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2248 			err = 1;
2249 		break;
2250 	case f8000:
2251 		if (idx == 2)
2252 			err = data->pwm_enable & 0x20;
2253 		break;
2254 	default:
2255 		break;
2256 	}
2257 	if (err) {
2258 		dev_err(&pdev->dev,
2259 			"Invalid (reserved) pwm settings: 0x%02x, "
2260 			"skipping fan %d\n",
2261 			(data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2262 		return 0; /* This is a non fatal condition */
2263 	}
2264 
2265 	err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2266 					  ARRAY_SIZE(fxxxx_fan_attr[0]));
2267 	if (err)
2268 		return err;
2269 
2270 	if (f71882fg_fan_has_beep[data->type]) {
2271 		err = f71882fg_create_sysfs_files(pdev,
2272 						  &fxxxx_fan_beep_attr[idx],
2273 						  1);
2274 		if (err)
2275 			return err;
2276 	}
2277 
2278 	dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2279 		 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2280 
2281 	/* Check for unsupported auto pwm settings */
2282 	switch (data->type) {
2283 	case f71808e:
2284 	case f71808a:
2285 	case f71869:
2286 	case f71869a:
2287 	case f71889fg:
2288 	case f71889ed:
2289 	case f71889a:
2290 		data->pwm_auto_point_mapping[idx] =
2291 			f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2292 		if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2293 		    (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2294 			dev_warn(&pdev->dev,
2295 				 "Auto pwm controlled by raw digital "
2296 				 "data, disabling pwm auto_point "
2297 				 "sysfs attributes for fan %d\n", idx + 1);
2298 			return 0; /* This is a non fatal condition */
2299 		}
2300 		break;
2301 	default:
2302 		break;
2303 	}
2304 
2305 	switch (data->type) {
2306 	case f71862fg:
2307 		err = f71882fg_create_sysfs_files(pdev,
2308 					&f71862fg_auto_pwm_attr[idx][0],
2309 					ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2310 		break;
2311 	case f71808e:
2312 	case f71869:
2313 		err = f71882fg_create_sysfs_files(pdev,
2314 					&f71869_auto_pwm_attr[idx][0],
2315 					ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2316 		break;
2317 	case f8000:
2318 		err = f71882fg_create_sysfs_files(pdev,
2319 					&f8000_auto_pwm_attr[idx][0],
2320 					ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2321 		break;
2322 	default:
2323 		err = f71882fg_create_sysfs_files(pdev,
2324 					&fxxxx_auto_pwm_attr[idx][0],
2325 					ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2326 	}
2327 
2328 	return err;
2329 }
2330 
2331 static int f71882fg_probe(struct platform_device *pdev)
2332 {
2333 	struct f71882fg_data *data;
2334 	struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2335 	int nr_fans = f71882fg_nr_fans[sio_data->type];
2336 	int nr_temps = f71882fg_nr_temps[sio_data->type];
2337 	int err, i;
2338 	int size;
2339 	u8 start_reg, reg;
2340 
2341 	data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2342 			    GFP_KERNEL);
2343 	if (!data)
2344 		return -ENOMEM;
2345 
2346 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2347 	data->type = sio_data->type;
2348 	data->temp_start =
2349 	    (data->type == f71858fg || data->type == f8000 ||
2350 		data->type == f81866a) ? 0 : 1;
2351 	mutex_init(&data->update_lock);
2352 	platform_set_drvdata(pdev, data);
2353 
2354 	start_reg = f71882fg_read8(data, F71882FG_REG_START);
2355 	if (start_reg & 0x04) {
2356 		dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2357 		return -ENODEV;
2358 	}
2359 	if (!(start_reg & 0x03)) {
2360 		dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2361 		return -ENODEV;
2362 	}
2363 
2364 	/* Register sysfs interface files */
2365 	err = device_create_file(&pdev->dev, &dev_attr_name);
2366 	if (err)
2367 		goto exit_unregister_sysfs;
2368 
2369 	if (start_reg & 0x01) {
2370 		switch (data->type) {
2371 		case f71858fg:
2372 			data->temp_config =
2373 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2374 			if (data->temp_config & 0x10)
2375 				/*
2376 				 * The f71858fg temperature alarms behave as
2377 				 * the f8000 alarms in this mode
2378 				 */
2379 				err = f71882fg_create_sysfs_files(pdev,
2380 					f8000_temp_attr,
2381 					ARRAY_SIZE(f8000_temp_attr));
2382 			else
2383 				err = f71882fg_create_sysfs_files(pdev,
2384 					f71858fg_temp_attr,
2385 					ARRAY_SIZE(f71858fg_temp_attr));
2386 			break;
2387 		case f8000:
2388 			err = f71882fg_create_sysfs_files(pdev,
2389 					f8000_temp_attr,
2390 					ARRAY_SIZE(f8000_temp_attr));
2391 			break;
2392 		case f81866a:
2393 			err = f71882fg_create_sysfs_files(pdev,
2394 					f71858fg_temp_attr,
2395 					ARRAY_SIZE(f71858fg_temp_attr));
2396 			break;
2397 		default:
2398 			err = f71882fg_create_sysfs_files(pdev,
2399 				&fxxxx_temp_attr[0][0],
2400 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2401 		}
2402 		if (err)
2403 			goto exit_unregister_sysfs;
2404 
2405 		if (f71882fg_temp_has_beep[data->type]) {
2406 			if (data->type == f81866a) {
2407 				size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2408 				err = f71882fg_create_sysfs_files(pdev,
2409 						&f81866_temp_beep_attr[0][0],
2410 						size * nr_temps);
2411 
2412 			} else {
2413 				size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2414 				err = f71882fg_create_sysfs_files(pdev,
2415 						&fxxxx_temp_beep_attr[0][0],
2416 						size * nr_temps);
2417 			}
2418 			if (err)
2419 				goto exit_unregister_sysfs;
2420 		}
2421 
2422 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2423 			if (f71882fg_has_in[data->type][i]) {
2424 				err = device_create_file(&pdev->dev,
2425 						&fxxxx_in_attr[i].dev_attr);
2426 				if (err)
2427 					goto exit_unregister_sysfs;
2428 			}
2429 		}
2430 		if (f71882fg_has_in1_alarm[data->type]) {
2431 			err = f71882fg_create_sysfs_files(pdev,
2432 					fxxxx_in1_alarm_attr,
2433 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2434 			if (err)
2435 				goto exit_unregister_sysfs;
2436 		}
2437 	}
2438 
2439 	if (start_reg & 0x02) {
2440 		switch (data->type) {
2441 		case f71808e:
2442 		case f71808a:
2443 		case f71869:
2444 		case f71869a:
2445 			/* These always have signed auto point temps */
2446 			data->auto_point_temp_signed = 1;
2447 			fallthrough;	/* to select correct fan/pwm reg bank! */
2448 		case f71889fg:
2449 		case f71889ed:
2450 		case f71889a:
2451 			reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2452 			if (reg & F71882FG_FAN_NEG_TEMP_EN)
2453 				data->auto_point_temp_signed = 1;
2454 			/* Ensure banked pwm registers point to right bank */
2455 			reg &= ~F71882FG_FAN_PROG_SEL;
2456 			f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2457 			break;
2458 		default:
2459 			break;
2460 		}
2461 
2462 		data->pwm_enable =
2463 			f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2464 
2465 		for (i = 0; i < nr_fans; i++) {
2466 			err = f71882fg_create_fan_sysfs_files(pdev, i);
2467 			if (err)
2468 				goto exit_unregister_sysfs;
2469 		}
2470 
2471 		/* Some types have 1 extra fan with limited functionality */
2472 		switch (data->type) {
2473 		case f71808a:
2474 			err = f71882fg_create_sysfs_files(pdev,
2475 					f71808a_fan3_attr,
2476 					ARRAY_SIZE(f71808a_fan3_attr));
2477 			break;
2478 		case f8000:
2479 			err = f71882fg_create_sysfs_files(pdev,
2480 					f8000_fan_attr,
2481 					ARRAY_SIZE(f8000_fan_attr));
2482 			break;
2483 		default:
2484 			break;
2485 		}
2486 		if (err)
2487 			goto exit_unregister_sysfs;
2488 	}
2489 
2490 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
2491 	if (IS_ERR(data->hwmon_dev)) {
2492 		err = PTR_ERR(data->hwmon_dev);
2493 		data->hwmon_dev = NULL;
2494 		goto exit_unregister_sysfs;
2495 	}
2496 
2497 	return 0;
2498 
2499 exit_unregister_sysfs:
2500 	f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2501 	return err; /* f71882fg_remove() also frees our data */
2502 }
2503 
2504 static int f71882fg_remove(struct platform_device *pdev)
2505 {
2506 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2507 	int nr_fans = f71882fg_nr_fans[data->type];
2508 	int nr_temps = f71882fg_nr_temps[data->type];
2509 	int i;
2510 	u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2511 
2512 	if (data->hwmon_dev)
2513 		hwmon_device_unregister(data->hwmon_dev);
2514 
2515 	device_remove_file(&pdev->dev, &dev_attr_name);
2516 
2517 	if (start_reg & 0x01) {
2518 		switch (data->type) {
2519 		case f71858fg:
2520 			if (data->temp_config & 0x10)
2521 				f71882fg_remove_sysfs_files(pdev,
2522 					f8000_temp_attr,
2523 					ARRAY_SIZE(f8000_temp_attr));
2524 			else
2525 				f71882fg_remove_sysfs_files(pdev,
2526 					f71858fg_temp_attr,
2527 					ARRAY_SIZE(f71858fg_temp_attr));
2528 			break;
2529 		case f8000:
2530 			f71882fg_remove_sysfs_files(pdev,
2531 					f8000_temp_attr,
2532 					ARRAY_SIZE(f8000_temp_attr));
2533 			break;
2534 		case f81866a:
2535 			f71882fg_remove_sysfs_files(pdev,
2536 					f71858fg_temp_attr,
2537 					ARRAY_SIZE(f71858fg_temp_attr));
2538 			break;
2539 		default:
2540 			f71882fg_remove_sysfs_files(pdev,
2541 				&fxxxx_temp_attr[0][0],
2542 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2543 		}
2544 		if (f71882fg_temp_has_beep[data->type]) {
2545 			if (data->type == f81866a)
2546 				f71882fg_remove_sysfs_files(pdev,
2547 					&f81866_temp_beep_attr[0][0],
2548 					ARRAY_SIZE(f81866_temp_beep_attr[0])
2549 						* nr_temps);
2550 			else
2551 				f71882fg_remove_sysfs_files(pdev,
2552 					&fxxxx_temp_beep_attr[0][0],
2553 					ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2554 						* nr_temps);
2555 		}
2556 
2557 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2558 			if (f71882fg_has_in[data->type][i]) {
2559 				device_remove_file(&pdev->dev,
2560 						&fxxxx_in_attr[i].dev_attr);
2561 			}
2562 		}
2563 		if (f71882fg_has_in1_alarm[data->type]) {
2564 			f71882fg_remove_sysfs_files(pdev,
2565 					fxxxx_in1_alarm_attr,
2566 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2567 		}
2568 	}
2569 
2570 	if (start_reg & 0x02) {
2571 		f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2572 				ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2573 
2574 		if (f71882fg_fan_has_beep[data->type]) {
2575 			f71882fg_remove_sysfs_files(pdev,
2576 					fxxxx_fan_beep_attr, nr_fans);
2577 		}
2578 
2579 		switch (data->type) {
2580 		case f71808a:
2581 			f71882fg_remove_sysfs_files(pdev,
2582 				&fxxxx_auto_pwm_attr[0][0],
2583 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2584 			f71882fg_remove_sysfs_files(pdev,
2585 					f71808a_fan3_attr,
2586 					ARRAY_SIZE(f71808a_fan3_attr));
2587 			break;
2588 		case f71862fg:
2589 			f71882fg_remove_sysfs_files(pdev,
2590 				&f71862fg_auto_pwm_attr[0][0],
2591 				ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2592 					nr_fans);
2593 			break;
2594 		case f71808e:
2595 		case f71869:
2596 			f71882fg_remove_sysfs_files(pdev,
2597 				&f71869_auto_pwm_attr[0][0],
2598 				ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2599 			break;
2600 		case f8000:
2601 			f71882fg_remove_sysfs_files(pdev,
2602 					f8000_fan_attr,
2603 					ARRAY_SIZE(f8000_fan_attr));
2604 			f71882fg_remove_sysfs_files(pdev,
2605 				&f8000_auto_pwm_attr[0][0],
2606 				ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2607 			break;
2608 		default:
2609 			f71882fg_remove_sysfs_files(pdev,
2610 				&fxxxx_auto_pwm_attr[0][0],
2611 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2612 		}
2613 	}
2614 	return 0;
2615 }
2616 
2617 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2618 {
2619 	u16 devid;
2620 	unsigned short address;
2621 	int err = superio_enter(sioaddr);
2622 	if (err)
2623 		return err;
2624 
2625 	devid = superio_inw(sioaddr, SIO_REG_MANID);
2626 	if (devid != SIO_FINTEK_ID) {
2627 		pr_debug("Not a Fintek device\n");
2628 		err = -ENODEV;
2629 		goto exit;
2630 	}
2631 
2632 	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2633 	switch (devid) {
2634 	case SIO_F71808E_ID:
2635 		sio_data->type = f71808e;
2636 		break;
2637 	case SIO_F71808A_ID:
2638 		sio_data->type = f71808a;
2639 		break;
2640 	case SIO_F71858_ID:
2641 		sio_data->type = f71858fg;
2642 		break;
2643 	case SIO_F71862_ID:
2644 		sio_data->type = f71862fg;
2645 		break;
2646 	case SIO_F71868_ID:
2647 		sio_data->type = f71868a;
2648 		break;
2649 	case SIO_F71869_ID:
2650 		sio_data->type = f71869;
2651 		break;
2652 	case SIO_F71869A_ID:
2653 		sio_data->type = f71869a;
2654 		break;
2655 	case SIO_F71882_ID:
2656 		sio_data->type = f71882fg;
2657 		break;
2658 	case SIO_F71889_ID:
2659 		sio_data->type = f71889fg;
2660 		break;
2661 	case SIO_F71889E_ID:
2662 		sio_data->type = f71889ed;
2663 		break;
2664 	case SIO_F71889A_ID:
2665 		sio_data->type = f71889a;
2666 		break;
2667 	case SIO_F8000_ID:
2668 		sio_data->type = f8000;
2669 		break;
2670 	case SIO_F81768D_ID:
2671 		sio_data->type = f81768d;
2672 		break;
2673 	case SIO_F81865_ID:
2674 		sio_data->type = f81865f;
2675 		break;
2676 	case SIO_F81866_ID:
2677 	case SIO_F81966_ID:
2678 		sio_data->type = f81866a;
2679 		break;
2680 	default:
2681 		pr_info("Unsupported Fintek device: %04x\n",
2682 			(unsigned int)devid);
2683 		err = -ENODEV;
2684 		goto exit;
2685 	}
2686 
2687 	if (sio_data->type == f71858fg)
2688 		superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2689 	else
2690 		superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2691 
2692 	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2693 		pr_warn("Device not activated\n");
2694 		err = -ENODEV;
2695 		goto exit;
2696 	}
2697 
2698 	address = superio_inw(sioaddr, SIO_REG_ADDR);
2699 	if (address == 0) {
2700 		pr_warn("Base address not set\n");
2701 		err = -ENODEV;
2702 		goto exit;
2703 	}
2704 	address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
2705 
2706 	err = address;
2707 	pr_info("Found %s chip at %#x, revision %d\n",
2708 		f71882fg_names[sio_data->type],	(unsigned int)address,
2709 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
2710 exit:
2711 	superio_exit(sioaddr);
2712 	return err;
2713 }
2714 
2715 static int __init f71882fg_device_add(int address,
2716 				      const struct f71882fg_sio_data *sio_data)
2717 {
2718 	struct resource res = {
2719 		.start	= address,
2720 		.end	= address + REGION_LENGTH - 1,
2721 		.flags	= IORESOURCE_IO,
2722 	};
2723 	int err;
2724 
2725 	f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2726 	if (!f71882fg_pdev)
2727 		return -ENOMEM;
2728 
2729 	res.name = f71882fg_pdev->name;
2730 	err = acpi_check_resource_conflict(&res);
2731 	if (err)
2732 		goto exit_device_put;
2733 
2734 	err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2735 	if (err) {
2736 		pr_err("Device resource addition failed\n");
2737 		goto exit_device_put;
2738 	}
2739 
2740 	err = platform_device_add_data(f71882fg_pdev, sio_data,
2741 				       sizeof(struct f71882fg_sio_data));
2742 	if (err) {
2743 		pr_err("Platform data allocation failed\n");
2744 		goto exit_device_put;
2745 	}
2746 
2747 	err = platform_device_add(f71882fg_pdev);
2748 	if (err) {
2749 		pr_err("Device addition failed\n");
2750 		goto exit_device_put;
2751 	}
2752 
2753 	return 0;
2754 
2755 exit_device_put:
2756 	platform_device_put(f71882fg_pdev);
2757 
2758 	return err;
2759 }
2760 
2761 static int __init f71882fg_init(void)
2762 {
2763 	int err;
2764 	int address;
2765 	struct f71882fg_sio_data sio_data;
2766 
2767 	memset(&sio_data, 0, sizeof(sio_data));
2768 
2769 	address = f71882fg_find(0x2e, &sio_data);
2770 	if (address < 0)
2771 		address = f71882fg_find(0x4e, &sio_data);
2772 	if (address < 0)
2773 		return address;
2774 
2775 	err = platform_driver_register(&f71882fg_driver);
2776 	if (err)
2777 		return err;
2778 
2779 	err = f71882fg_device_add(address, &sio_data);
2780 	if (err)
2781 		goto exit_driver;
2782 
2783 	return 0;
2784 
2785 exit_driver:
2786 	platform_driver_unregister(&f71882fg_driver);
2787 	return err;
2788 }
2789 
2790 static void __exit f71882fg_exit(void)
2791 {
2792 	platform_device_unregister(f71882fg_pdev);
2793 	platform_driver_unregister(&f71882fg_driver);
2794 }
2795 
2796 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2797 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2798 MODULE_LICENSE("GPL");
2799 
2800 module_init(f71882fg_init);
2801 module_exit(f71882fg_exit);
2802