xref: /openbmc/linux/drivers/hwmon/f71882fg.c (revision 0352f880)
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_F71858AD_ID		0x0903	/* Chipset ID */
53 #define SIO_F81966_ID		0x1502	/* Chipset ID */
54 
55 #define REGION_LENGTH		8
56 #define ADDR_REG_OFFSET		5
57 #define DATA_REG_OFFSET		6
58 
59 #define F71882FG_REG_IN_STATUS		0x12 /* f7188x only */
60 #define F71882FG_REG_IN_BEEP		0x13 /* f7188x only */
61 #define F71882FG_REG_IN(nr)		(0x20  + (nr))
62 #define F71882FG_REG_IN1_HIGH		0x32 /* f7188x only */
63 
64 #define F81866_REG_IN_STATUS		0x16 /* F81866 only */
65 #define F81866_REG_IN_BEEP			0x17 /* F81866 only */
66 #define F81866_REG_IN1_HIGH		0x3a /* F81866 only */
67 
68 #define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
69 #define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
70 #define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
71 #define F71882FG_REG_FAN_STATUS		0x92
72 #define F71882FG_REG_FAN_BEEP		0x93
73 
74 #define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
75 #define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
76 #define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
77 #define F71882FG_REG_TEMP_STATUS	0x62
78 #define F71882FG_REG_TEMP_BEEP		0x63
79 #define F71882FG_REG_TEMP_CONFIG	0x69
80 #define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
81 #define F71882FG_REG_TEMP_TYPE		0x6B
82 #define F71882FG_REG_TEMP_DIODE_OPEN	0x6F
83 
84 #define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
85 #define F71882FG_REG_PWM_TYPE		0x94
86 #define F71882FG_REG_PWM_ENABLE		0x96
87 
88 #define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
89 
90 #define F71882FG_REG_FAN_FAULT_T	0x9F
91 #define F71882FG_FAN_NEG_TEMP_EN	0x20
92 #define F71882FG_FAN_PROG_SEL		0x80
93 
94 #define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
95 #define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
96 #define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))
97 
98 #define	F71882FG_REG_START		0x01
99 
100 #define F71882FG_MAX_INS		11
101 
102 #define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */
103 
104 static unsigned short force_id;
105 module_param(force_id, ushort, 0);
106 MODULE_PARM_DESC(force_id, "Override the detected device ID");
107 
108 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a,
109 	f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f,
110 	f81866a};
111 
112 static const char *const f71882fg_names[] = {
113 	"f71808e",
114 	"f71808a",
115 	"f71858fg",
116 	"f71862fg",
117 	"f71868a",
118 	"f71869", /* Both f71869f and f71869e, reg. compatible and same id */
119 	"f71869a",
120 	"f71882fg",
121 	"f71889fg", /* f81801u too, same id */
122 	"f71889ed",
123 	"f71889a",
124 	"f8000",
125 	"f81768d",
126 	"f81865f",
127 	"f81866a",
128 };
129 
130 static const char f71882fg_has_in[][F71882FG_MAX_INS] = {
131 	[f71808e]	= { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 },
132 	[f71808a]	= { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 },
133 	[f71858fg]	= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
134 	[f71862fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
135 	[f71868a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
136 	[f71869]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
137 	[f71869a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
138 	[f71882fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
139 	[f71889fg]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
140 	[f71889ed]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
141 	[f71889a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
142 	[f8000]		= { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
143 	[f81768d]	= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
144 	[f81865f]	= { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 },
145 	[f81866a]	= { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
146 };
147 
148 static const char f71882fg_has_in1_alarm[] = {
149 	[f71808e]	= 0,
150 	[f71808a]	= 0,
151 	[f71858fg]	= 0,
152 	[f71862fg]	= 0,
153 	[f71868a]	= 0,
154 	[f71869]	= 0,
155 	[f71869a]	= 0,
156 	[f71882fg]	= 1,
157 	[f71889fg]	= 1,
158 	[f71889ed]	= 1,
159 	[f71889a]	= 1,
160 	[f8000]		= 0,
161 	[f81768d]	= 1,
162 	[f81865f]	= 1,
163 	[f81866a]	= 1,
164 };
165 
166 static const char f71882fg_fan_has_beep[] = {
167 	[f71808e]	= 0,
168 	[f71808a]	= 0,
169 	[f71858fg]	= 0,
170 	[f71862fg]	= 1,
171 	[f71868a]	= 1,
172 	[f71869]	= 1,
173 	[f71869a]	= 1,
174 	[f71882fg]	= 1,
175 	[f71889fg]	= 1,
176 	[f71889ed]	= 1,
177 	[f71889a]	= 1,
178 	[f8000]		= 0,
179 	[f81768d]	= 1,
180 	[f81865f]	= 1,
181 	[f81866a]	= 1,
182 };
183 
184 static const char f71882fg_nr_fans[] = {
185 	[f71808e]	= 3,
186 	[f71808a]	= 2, /* +1 fan which is monitor + simple pwm only */
187 	[f71858fg]	= 3,
188 	[f71862fg]	= 3,
189 	[f71868a]	= 3,
190 	[f71869]	= 3,
191 	[f71869a]	= 3,
192 	[f71882fg]	= 4,
193 	[f71889fg]	= 3,
194 	[f71889ed]	= 3,
195 	[f71889a]	= 3,
196 	[f8000]		= 3, /* +1 fan which is monitor only */
197 	[f81768d]	= 3,
198 	[f81865f]	= 2,
199 	[f81866a]	= 3,
200 };
201 
202 static const char f71882fg_temp_has_beep[] = {
203 	[f71808e]	= 0,
204 	[f71808a]	= 1,
205 	[f71858fg]	= 0,
206 	[f71862fg]	= 1,
207 	[f71868a]	= 1,
208 	[f71869]	= 1,
209 	[f71869a]	= 1,
210 	[f71882fg]	= 1,
211 	[f71889fg]	= 1,
212 	[f71889ed]	= 1,
213 	[f71889a]	= 1,
214 	[f8000]		= 0,
215 	[f81768d]	= 1,
216 	[f81865f]	= 1,
217 	[f81866a]	= 1,
218 };
219 
220 static const char f71882fg_nr_temps[] = {
221 	[f71808e]	= 2,
222 	[f71808a]	= 2,
223 	[f71858fg]	= 3,
224 	[f71862fg]	= 3,
225 	[f71868a]	= 3,
226 	[f71869]	= 3,
227 	[f71869a]	= 3,
228 	[f71882fg]	= 3,
229 	[f71889fg]	= 3,
230 	[f71889ed]	= 3,
231 	[f71889a]	= 3,
232 	[f8000]		= 3,
233 	[f81768d]	= 3,
234 	[f81865f]	= 2,
235 	[f81866a]	= 3,
236 };
237 
238 static struct platform_device *f71882fg_pdev;
239 
240 struct f71882fg_sio_data {
241 	enum chips type;
242 };
243 
244 struct f71882fg_data {
245 	unsigned short addr;
246 	enum chips type;
247 	struct device *hwmon_dev;
248 
249 	struct mutex update_lock;
250 	int temp_start;			/* temp numbering start (0 or 1) */
251 	bool valid;			/* true if following fields are valid */
252 	char auto_point_temp_signed;
253 	unsigned long last_updated;	/* In jiffies */
254 	unsigned long last_limits;	/* In jiffies */
255 
256 	/* Register Values */
257 	u8	in[F71882FG_MAX_INS];
258 	u8	in1_max;
259 	u8	in_status;
260 	u8	in_beep;
261 	u16	fan[4];
262 	u16	fan_target[4];
263 	u16	fan_full_speed[4];
264 	u8	fan_status;
265 	u8	fan_beep;
266 	/*
267 	 * Note: all models have max 3 temperature channels, but on some
268 	 * they are addressed as 0-2 and on others as 1-3, so for coding
269 	 * convenience we reserve space for 4 channels
270 	 */
271 	u16	temp[4];
272 	u8	temp_ovt[4];
273 	u8	temp_high[4];
274 	u8	temp_hyst[2]; /* 2 hysts stored per reg */
275 	u8	temp_type[4];
276 	u8	temp_status;
277 	u8	temp_beep;
278 	u8	temp_diode_open;
279 	u8	temp_config;
280 	u8	pwm[4];
281 	u8	pwm_enable;
282 	u8	pwm_auto_point_hyst[2];
283 	u8	pwm_auto_point_mapping[4];
284 	u8	pwm_auto_point_pwm[4][5];
285 	s8	pwm_auto_point_temp[4][4];
286 };
287 
288 static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
289 {
290 	u8 val;
291 
292 	outb(reg, data->addr + ADDR_REG_OFFSET);
293 	val = inb(data->addr + DATA_REG_OFFSET);
294 
295 	return val;
296 }
297 
298 static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
299 {
300 	u16 val;
301 
302 	val  = f71882fg_read8(data, reg) << 8;
303 	val |= f71882fg_read8(data, reg + 1);
304 
305 	return val;
306 }
307 
308 static inline int fan_from_reg(u16 reg)
309 {
310 	return reg ? (1500000 / reg) : 0;
311 }
312 
313 static inline u16 fan_to_reg(int fan)
314 {
315 	return fan ? (1500000 / fan) : 0;
316 }
317 
318 static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
319 {
320 	outb(reg, data->addr + ADDR_REG_OFFSET);
321 	outb(val, data->addr + DATA_REG_OFFSET);
322 }
323 
324 static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
325 {
326 	f71882fg_write8(data, reg,     val >> 8);
327 	f71882fg_write8(data, reg + 1, val & 0xff);
328 }
329 
330 static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
331 {
332 	if (data->type == f71858fg)
333 		return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
334 	else
335 		return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
336 }
337 
338 static struct f71882fg_data *f71882fg_update_device(struct device *dev)
339 {
340 	struct f71882fg_data *data = dev_get_drvdata(dev);
341 	int nr_fans = f71882fg_nr_fans[data->type];
342 	int nr_temps = f71882fg_nr_temps[data->type];
343 	int nr, reg, point;
344 
345 	mutex_lock(&data->update_lock);
346 
347 	/* Update once every 60 seconds */
348 	if (time_after(jiffies, data->last_limits + 60 * HZ) ||
349 			!data->valid) {
350 		if (f71882fg_has_in1_alarm[data->type]) {
351 			if (data->type == f81866a) {
352 				data->in1_max =
353 					f71882fg_read8(data,
354 						       F81866_REG_IN1_HIGH);
355 				data->in_beep =
356 					f71882fg_read8(data,
357 						       F81866_REG_IN_BEEP);
358 			} else {
359 				data->in1_max =
360 					f71882fg_read8(data,
361 						       F71882FG_REG_IN1_HIGH);
362 				data->in_beep =
363 					f71882fg_read8(data,
364 						       F71882FG_REG_IN_BEEP);
365 			}
366 		}
367 
368 		/* Get High & boundary temps*/
369 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
370 									nr++) {
371 			data->temp_ovt[nr] = f71882fg_read8(data,
372 						F71882FG_REG_TEMP_OVT(nr));
373 			data->temp_high[nr] = f71882fg_read8(data,
374 						F71882FG_REG_TEMP_HIGH(nr));
375 		}
376 
377 		if (data->type != f8000) {
378 			data->temp_hyst[0] = f71882fg_read8(data,
379 						F71882FG_REG_TEMP_HYST(0));
380 			data->temp_hyst[1] = f71882fg_read8(data,
381 						F71882FG_REG_TEMP_HYST(1));
382 		}
383 		/* All but the f71858fg / f8000 have this register */
384 		if ((data->type != f71858fg) && (data->type != f8000)) {
385 			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
386 			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
387 			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
388 			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
389 		}
390 
391 		if (f71882fg_fan_has_beep[data->type])
392 			data->fan_beep = f71882fg_read8(data,
393 						F71882FG_REG_FAN_BEEP);
394 
395 		if (f71882fg_temp_has_beep[data->type])
396 			data->temp_beep = f71882fg_read8(data,
397 						F71882FG_REG_TEMP_BEEP);
398 
399 		data->pwm_enable = f71882fg_read8(data,
400 						  F71882FG_REG_PWM_ENABLE);
401 		data->pwm_auto_point_hyst[0] =
402 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
403 		data->pwm_auto_point_hyst[1] =
404 			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));
405 
406 		for (nr = 0; nr < nr_fans; nr++) {
407 			data->pwm_auto_point_mapping[nr] =
408 			    f71882fg_read8(data,
409 					   F71882FG_REG_POINT_MAPPING(nr));
410 
411 			switch (data->type) {
412 			default:
413 				for (point = 0; point < 5; point++) {
414 					data->pwm_auto_point_pwm[nr][point] =
415 						f71882fg_read8(data,
416 							F71882FG_REG_POINT_PWM
417 							(nr, point));
418 				}
419 				for (point = 0; point < 4; point++) {
420 					data->pwm_auto_point_temp[nr][point] =
421 						f71882fg_read8(data,
422 							F71882FG_REG_POINT_TEMP
423 							(nr, point));
424 				}
425 				break;
426 			case f71808e:
427 			case f71869:
428 				data->pwm_auto_point_pwm[nr][0] =
429 					f71882fg_read8(data,
430 						F71882FG_REG_POINT_PWM(nr, 0));
431 				fallthrough;
432 			case f71862fg:
433 				data->pwm_auto_point_pwm[nr][1] =
434 					f71882fg_read8(data,
435 						F71882FG_REG_POINT_PWM
436 						(nr, 1));
437 				data->pwm_auto_point_pwm[nr][4] =
438 					f71882fg_read8(data,
439 						F71882FG_REG_POINT_PWM
440 						(nr, 4));
441 				data->pwm_auto_point_temp[nr][0] =
442 					f71882fg_read8(data,
443 						F71882FG_REG_POINT_TEMP
444 						(nr, 0));
445 				data->pwm_auto_point_temp[nr][3] =
446 					f71882fg_read8(data,
447 						F71882FG_REG_POINT_TEMP
448 						(nr, 3));
449 				break;
450 			}
451 		}
452 		data->last_limits = jiffies;
453 	}
454 
455 	/* Update every second */
456 	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
457 		data->temp_status = f71882fg_read8(data,
458 						F71882FG_REG_TEMP_STATUS);
459 		data->temp_diode_open = f71882fg_read8(data,
460 						F71882FG_REG_TEMP_DIODE_OPEN);
461 		for (nr = data->temp_start; nr < nr_temps + data->temp_start;
462 									nr++)
463 			data->temp[nr] = f71882fg_read_temp(data, nr);
464 
465 		data->fan_status = f71882fg_read8(data,
466 						F71882FG_REG_FAN_STATUS);
467 		for (nr = 0; nr < nr_fans; nr++) {
468 			data->fan[nr] = f71882fg_read16(data,
469 						F71882FG_REG_FAN(nr));
470 			data->fan_target[nr] =
471 			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
472 			data->fan_full_speed[nr] =
473 			    f71882fg_read16(data,
474 					    F71882FG_REG_FAN_FULL_SPEED(nr));
475 			data->pwm[nr] =
476 			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
477 		}
478 		/* Some models have 1 more fan with limited capabilities */
479 		if (data->type == f71808a) {
480 			data->fan[2] = f71882fg_read16(data,
481 						F71882FG_REG_FAN(2));
482 			data->pwm[2] = f71882fg_read8(data,
483 							F71882FG_REG_PWM(2));
484 		}
485 		if (data->type == f8000)
486 			data->fan[3] = f71882fg_read16(data,
487 						F71882FG_REG_FAN(3));
488 
489 		if (f71882fg_has_in1_alarm[data->type]) {
490 			if (data->type == f81866a)
491 				data->in_status = f71882fg_read8(data,
492 						F81866_REG_IN_STATUS);
493 
494 			else
495 				data->in_status = f71882fg_read8(data,
496 						F71882FG_REG_IN_STATUS);
497 		}
498 
499 		for (nr = 0; nr < F71882FG_MAX_INS; nr++)
500 			if (f71882fg_has_in[data->type][nr])
501 				data->in[nr] = f71882fg_read8(data,
502 							F71882FG_REG_IN(nr));
503 
504 		data->last_updated = jiffies;
505 		data->valid = true;
506 	}
507 
508 	mutex_unlock(&data->update_lock);
509 
510 	return data;
511 }
512 
513 static ssize_t name_show(struct device *dev, struct device_attribute *devattr,
514 	char *buf)
515 {
516 	struct f71882fg_data *data = dev_get_drvdata(dev);
517 	return sprintf(buf, "%s\n", f71882fg_names[data->type]);
518 }
519 
520 static DEVICE_ATTR_RO(name);
521 
522 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
523 	char *buf)
524 {
525 	struct f71882fg_data *data = f71882fg_update_device(dev);
526 	int nr = to_sensor_dev_attr_2(devattr)->index;
527 	int sign, temp;
528 
529 	if (data->type == f71858fg) {
530 		/* TEMP_TABLE_SEL 1 or 3 ? */
531 		if (data->temp_config & 1) {
532 			sign = data->temp[nr] & 0x0001;
533 			temp = (data->temp[nr] >> 5) & 0x7ff;
534 		} else {
535 			sign = data->temp[nr] & 0x8000;
536 			temp = (data->temp[nr] >> 5) & 0x3ff;
537 		}
538 		temp *= 125;
539 		if (sign)
540 			temp -= 128000;
541 	} else {
542 		temp = ((s8)data->temp[nr]) * 1000;
543 	}
544 
545 	return sprintf(buf, "%d\n", temp);
546 }
547 
548 static ssize_t show_temp_max(struct device *dev, struct device_attribute
549 	*devattr, char *buf)
550 {
551 	struct f71882fg_data *data = f71882fg_update_device(dev);
552 	int nr = to_sensor_dev_attr_2(devattr)->index;
553 
554 	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
555 }
556 
557 static ssize_t store_temp_max(struct device *dev, struct device_attribute
558 	*devattr, const char *buf, size_t count)
559 {
560 	struct f71882fg_data *data = dev_get_drvdata(dev);
561 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
562 	long val;
563 
564 	err = kstrtol(buf, 10, &val);
565 	if (err)
566 		return err;
567 
568 	val /= 1000;
569 	val = clamp_val(val, 0, 255);
570 
571 	mutex_lock(&data->update_lock);
572 	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
573 	data->temp_high[nr] = val;
574 	mutex_unlock(&data->update_lock);
575 
576 	return count;
577 }
578 
579 static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
580 	*devattr, char *buf)
581 {
582 	struct f71882fg_data *data = f71882fg_update_device(dev);
583 	int nr = to_sensor_dev_attr_2(devattr)->index;
584 	int temp_max_hyst;
585 
586 	mutex_lock(&data->update_lock);
587 	if (nr & 1)
588 		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
589 	else
590 		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
591 	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
592 	mutex_unlock(&data->update_lock);
593 
594 	return sprintf(buf, "%d\n", temp_max_hyst);
595 }
596 
597 static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
598 	*devattr, const char *buf, size_t count)
599 {
600 	struct f71882fg_data *data = dev_get_drvdata(dev);
601 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
602 	ssize_t ret = count;
603 	u8 reg;
604 	long val;
605 
606 	err = kstrtol(buf, 10, &val);
607 	if (err)
608 		return err;
609 
610 	val /= 1000;
611 
612 	mutex_lock(&data->update_lock);
613 
614 	/* convert abs to relative and check */
615 	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
616 	val = clamp_val(val, data->temp_high[nr] - 15, data->temp_high[nr]);
617 	val = data->temp_high[nr] - val;
618 
619 	/* convert value to register contents */
620 	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
621 	if (nr & 1)
622 		reg = (reg & 0x0f) | (val << 4);
623 	else
624 		reg = (reg & 0xf0) | val;
625 	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
626 	data->temp_hyst[nr / 2] = reg;
627 
628 	mutex_unlock(&data->update_lock);
629 	return ret;
630 }
631 
632 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
633 	*devattr, char *buf)
634 {
635 	struct f71882fg_data *data = f71882fg_update_device(dev);
636 	int nr = to_sensor_dev_attr_2(devattr)->index;
637 
638 	if (data->temp_status & (1 << nr))
639 		return sprintf(buf, "1\n");
640 	else
641 		return sprintf(buf, "0\n");
642 }
643 
644 static ssize_t show_temp_crit(struct device *dev, struct device_attribute
645 	*devattr, char *buf)
646 {
647 	struct f71882fg_data *data = f71882fg_update_device(dev);
648 	int nr = to_sensor_dev_attr_2(devattr)->index;
649 
650 	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
651 }
652 
653 static ssize_t store_temp_crit(struct device *dev, struct device_attribute
654 	*devattr, const char *buf, size_t count)
655 {
656 	struct f71882fg_data *data = dev_get_drvdata(dev);
657 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
658 	long val;
659 
660 	err = kstrtol(buf, 10, &val);
661 	if (err)
662 		return err;
663 
664 	val /= 1000;
665 	val = clamp_val(val, 0, 255);
666 
667 	mutex_lock(&data->update_lock);
668 	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
669 	data->temp_ovt[nr] = val;
670 	mutex_unlock(&data->update_lock);
671 
672 	return count;
673 }
674 
675 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
676 	*devattr, char *buf)
677 {
678 	struct f71882fg_data *data = f71882fg_update_device(dev);
679 	int nr = to_sensor_dev_attr_2(devattr)->index;
680 	int temp_crit_hyst;
681 
682 	mutex_lock(&data->update_lock);
683 	if (nr & 1)
684 		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
685 	else
686 		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
687 	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
688 	mutex_unlock(&data->update_lock);
689 
690 	return sprintf(buf, "%d\n", temp_crit_hyst);
691 }
692 
693 static ssize_t show_temp_fault(struct device *dev, struct device_attribute
694 	*devattr, char *buf)
695 {
696 	struct f71882fg_data *data = f71882fg_update_device(dev);
697 	int nr = to_sensor_dev_attr_2(devattr)->index;
698 
699 	if (data->temp_diode_open & (1 << nr))
700 		return sprintf(buf, "1\n");
701 	else
702 		return sprintf(buf, "0\n");
703 }
704 
705 /*
706  * Temp attr for the f71858fg, the f71858fg is special as it has its
707  * temperature indexes start at 0 (the others start at 1)
708  */
709 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
710 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
711 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
712 		store_temp_max, 0, 0),
713 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
714 		store_temp_max_hyst, 0, 0),
715 	SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
716 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
717 		store_temp_crit, 0, 0),
718 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
719 		0, 0),
720 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
721 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
722 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
723 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
724 		store_temp_max, 0, 1),
725 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
726 		store_temp_max_hyst, 0, 1),
727 	SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
728 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
729 		store_temp_crit, 0, 1),
730 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
731 		0, 1),
732 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
733 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
734 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
735 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
736 		store_temp_max, 0, 2),
737 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
738 		store_temp_max_hyst, 0, 2),
739 	SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
740 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
741 		store_temp_crit, 0, 2),
742 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
743 		0, 2),
744 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
745 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
746 };
747 
748 static ssize_t show_temp_type(struct device *dev, struct device_attribute
749 	*devattr, char *buf)
750 {
751 	struct f71882fg_data *data = f71882fg_update_device(dev);
752 	int nr = to_sensor_dev_attr_2(devattr)->index;
753 
754 	return sprintf(buf, "%d\n", data->temp_type[nr]);
755 }
756 
757 /* Temp attr for the standard models */
758 static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
759 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
760 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
761 		store_temp_max, 0, 1),
762 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
763 		store_temp_max_hyst, 0, 1),
764 	/*
765 	 * Should really be temp1_max_alarm, but older versions did not handle
766 	 * the max and crit alarms separately and lm_sensors v2 depends on the
767 	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
768 	 */
769 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
770 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
771 		store_temp_crit, 0, 1),
772 	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
773 		0, 1),
774 	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
775 	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
776 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
777 }, {
778 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
779 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
780 		store_temp_max, 0, 2),
781 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
782 		store_temp_max_hyst, 0, 2),
783 	/* Should be temp2_max_alarm, see temp1_alarm note */
784 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
785 	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
786 		store_temp_crit, 0, 2),
787 	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
788 		0, 2),
789 	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
790 	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
791 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
792 }, {
793 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
794 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
795 		store_temp_max, 0, 3),
796 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
797 		store_temp_max_hyst, 0, 3),
798 	/* Should be temp3_max_alarm, see temp1_alarm note */
799 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
800 	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
801 		store_temp_crit, 0, 3),
802 	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
803 		0, 3),
804 	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
805 	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
806 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
807 } };
808 
809 static ssize_t show_temp_beep(struct device *dev, struct device_attribute
810 	*devattr, char *buf)
811 {
812 	struct f71882fg_data *data = f71882fg_update_device(dev);
813 	int nr = to_sensor_dev_attr_2(devattr)->index;
814 
815 	if (data->temp_beep & (1 << nr))
816 		return sprintf(buf, "1\n");
817 	else
818 		return sprintf(buf, "0\n");
819 }
820 
821 static ssize_t store_temp_beep(struct device *dev, struct device_attribute
822 	*devattr, const char *buf, size_t count)
823 {
824 	struct f71882fg_data *data = dev_get_drvdata(dev);
825 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
826 	unsigned long val;
827 
828 	err = kstrtoul(buf, 10, &val);
829 	if (err)
830 		return err;
831 
832 	mutex_lock(&data->update_lock);
833 	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
834 	if (val)
835 		data->temp_beep |= 1 << nr;
836 	else
837 		data->temp_beep &= ~(1 << nr);
838 
839 	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
840 	mutex_unlock(&data->update_lock);
841 
842 	return count;
843 }
844 
845 /* Temp attr for models which can beep on temp alarm */
846 static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
847 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
848 		store_temp_beep, 0, 1),
849 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
850 		store_temp_beep, 0, 5),
851 }, {
852 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
853 		store_temp_beep, 0, 2),
854 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
855 		store_temp_beep, 0, 6),
856 }, {
857 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
858 		store_temp_beep, 0, 3),
859 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
860 		store_temp_beep, 0, 7),
861 } };
862 
863 static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { {
864 	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
865 		store_temp_beep, 0, 0),
866 	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
867 		store_temp_beep, 0, 4),
868 }, {
869 	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
870 		store_temp_beep, 0, 1),
871 	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
872 		store_temp_beep, 0, 5),
873 }, {
874 	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
875 		store_temp_beep, 0, 2),
876 	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
877 		store_temp_beep, 0, 6),
878 } };
879 
880 /*
881  * Temp attr for the f8000
882  * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
883  * is used as hysteresis value to clear alarms
884  * Also like the f71858fg its temperature indexes start at 0
885  */
886 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
887 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
888 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
889 		store_temp_crit, 0, 0),
890 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
891 		store_temp_max, 0, 0),
892 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
893 	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
894 	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
895 	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
896 		store_temp_crit, 0, 1),
897 	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
898 		store_temp_max, 0, 1),
899 	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
900 	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
901 	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
902 	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
903 		store_temp_crit, 0, 2),
904 	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
905 		store_temp_max, 0, 2),
906 	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
907 	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
908 };
909 
910 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
911 	char *buf)
912 {
913 	struct f71882fg_data *data = f71882fg_update_device(dev);
914 	int nr = to_sensor_dev_attr_2(devattr)->index;
915 
916 	return sprintf(buf, "%d\n", data->in[nr] * 8);
917 }
918 
919 /* in attr for all models */
920 static struct sensor_device_attribute_2 fxxxx_in_attr[] = {
921 	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
922 	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
923 	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
924 	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
925 	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
926 	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
927 	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
928 	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
929 	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
930 	SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9),
931 	SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10),
932 };
933 
934 static ssize_t show_in_max(struct device *dev, struct device_attribute
935 	*devattr, char *buf)
936 {
937 	struct f71882fg_data *data = f71882fg_update_device(dev);
938 
939 	return sprintf(buf, "%d\n", data->in1_max * 8);
940 }
941 
942 static ssize_t store_in_max(struct device *dev, struct device_attribute
943 	*devattr, const char *buf, size_t count)
944 {
945 	struct f71882fg_data *data = dev_get_drvdata(dev);
946 	int err;
947 	long val;
948 
949 	err = kstrtol(buf, 10, &val);
950 	if (err)
951 		return err;
952 
953 	val /= 8;
954 	val = clamp_val(val, 0, 255);
955 
956 	mutex_lock(&data->update_lock);
957 	if (data->type == f81866a)
958 		f71882fg_write8(data, F81866_REG_IN1_HIGH, val);
959 	else
960 		f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
961 	data->in1_max = val;
962 	mutex_unlock(&data->update_lock);
963 
964 	return count;
965 }
966 
967 static ssize_t show_in_beep(struct device *dev, struct device_attribute
968 	*devattr, char *buf)
969 {
970 	struct f71882fg_data *data = f71882fg_update_device(dev);
971 	int nr = to_sensor_dev_attr_2(devattr)->index;
972 
973 	if (data->in_beep & (1 << nr))
974 		return sprintf(buf, "1\n");
975 	else
976 		return sprintf(buf, "0\n");
977 }
978 
979 static ssize_t store_in_beep(struct device *dev, struct device_attribute
980 	*devattr, const char *buf, size_t count)
981 {
982 	struct f71882fg_data *data = dev_get_drvdata(dev);
983 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
984 	unsigned long val;
985 
986 	err = kstrtoul(buf, 10, &val);
987 	if (err)
988 		return err;
989 
990 	mutex_lock(&data->update_lock);
991 	if (data->type == f81866a)
992 		data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP);
993 	else
994 		data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
995 
996 	if (val)
997 		data->in_beep |= 1 << nr;
998 	else
999 		data->in_beep &= ~(1 << nr);
1000 
1001 	if (data->type == f81866a)
1002 		f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep);
1003 	else
1004 		f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
1005 	mutex_unlock(&data->update_lock);
1006 
1007 	return count;
1008 }
1009 
1010 static ssize_t show_in_alarm(struct device *dev, struct device_attribute
1011 	*devattr, char *buf)
1012 {
1013 	struct f71882fg_data *data = f71882fg_update_device(dev);
1014 	int nr = to_sensor_dev_attr_2(devattr)->index;
1015 
1016 	if (data->in_status & (1 << nr))
1017 		return sprintf(buf, "1\n");
1018 	else
1019 		return sprintf(buf, "0\n");
1020 }
1021 
1022 /* For models with in1 alarm capability */
1023 static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = {
1024 	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
1025 		0, 1),
1026 	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
1027 		0, 1),
1028 	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
1029 };
1030 
1031 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
1032 	char *buf)
1033 {
1034 	struct f71882fg_data *data = f71882fg_update_device(dev);
1035 	int nr = to_sensor_dev_attr_2(devattr)->index;
1036 	int speed = fan_from_reg(data->fan[nr]);
1037 
1038 	if (speed == FAN_MIN_DETECT)
1039 		speed = 0;
1040 
1041 	return sprintf(buf, "%d\n", speed);
1042 }
1043 
1044 static ssize_t show_fan_full_speed(struct device *dev,
1045 				   struct device_attribute *devattr, char *buf)
1046 {
1047 	struct f71882fg_data *data = f71882fg_update_device(dev);
1048 	int nr = to_sensor_dev_attr_2(devattr)->index;
1049 	int speed = fan_from_reg(data->fan_full_speed[nr]);
1050 	return sprintf(buf, "%d\n", speed);
1051 }
1052 
1053 static ssize_t store_fan_full_speed(struct device *dev,
1054 				    struct device_attribute *devattr,
1055 				    const char *buf, size_t count)
1056 {
1057 	struct f71882fg_data *data = dev_get_drvdata(dev);
1058 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1059 	long val;
1060 
1061 	err = kstrtol(buf, 10, &val);
1062 	if (err)
1063 		return err;
1064 
1065 	val = clamp_val(val, 23, 1500000);
1066 	val = fan_to_reg(val);
1067 
1068 	mutex_lock(&data->update_lock);
1069 	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
1070 	data->fan_full_speed[nr] = val;
1071 	mutex_unlock(&data->update_lock);
1072 
1073 	return count;
1074 }
1075 
1076 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
1077 	*devattr, char *buf)
1078 {
1079 	struct f71882fg_data *data = f71882fg_update_device(dev);
1080 	int nr = to_sensor_dev_attr_2(devattr)->index;
1081 
1082 	if (data->fan_status & (1 << nr))
1083 		return sprintf(buf, "1\n");
1084 	else
1085 		return sprintf(buf, "0\n");
1086 }
1087 
1088 static ssize_t show_pwm(struct device *dev,
1089 			struct device_attribute *devattr, char *buf)
1090 {
1091 	struct f71882fg_data *data = f71882fg_update_device(dev);
1092 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1093 	mutex_lock(&data->update_lock);
1094 	if (data->pwm_enable & (1 << (2 * nr)))
1095 		/* PWM mode */
1096 		val = data->pwm[nr];
1097 	else {
1098 		/* RPM mode */
1099 		val = 255 * fan_from_reg(data->fan_target[nr])
1100 			/ fan_from_reg(data->fan_full_speed[nr]);
1101 	}
1102 	mutex_unlock(&data->update_lock);
1103 	return sprintf(buf, "%d\n", val);
1104 }
1105 
1106 static ssize_t store_pwm(struct device *dev,
1107 			 struct device_attribute *devattr, const char *buf,
1108 			 size_t count)
1109 {
1110 	struct f71882fg_data *data = dev_get_drvdata(dev);
1111 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1112 	long val;
1113 
1114 	err = kstrtol(buf, 10, &val);
1115 	if (err)
1116 		return err;
1117 
1118 	val = clamp_val(val, 0, 255);
1119 
1120 	mutex_lock(&data->update_lock);
1121 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1122 	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
1123 	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
1124 		count = -EROFS;
1125 		goto leave;
1126 	}
1127 	if (data->pwm_enable & (1 << (2 * nr))) {
1128 		/* PWM mode */
1129 		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1130 		data->pwm[nr] = val;
1131 	} else {
1132 		/* RPM mode */
1133 		int target, full_speed;
1134 		full_speed = f71882fg_read16(data,
1135 					     F71882FG_REG_FAN_FULL_SPEED(nr));
1136 		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
1137 		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
1138 		data->fan_target[nr] = target;
1139 		data->fan_full_speed[nr] = full_speed;
1140 	}
1141 leave:
1142 	mutex_unlock(&data->update_lock);
1143 
1144 	return count;
1145 }
1146 
1147 static ssize_t show_pwm_enable(struct device *dev,
1148 			       struct device_attribute *devattr, char *buf)
1149 {
1150 	int result = 0;
1151 	struct f71882fg_data *data = f71882fg_update_device(dev);
1152 	int nr = to_sensor_dev_attr_2(devattr)->index;
1153 
1154 	switch ((data->pwm_enable >> 2 * nr) & 3) {
1155 	case 0:
1156 	case 1:
1157 		result = 2; /* Normal auto mode */
1158 		break;
1159 	case 2:
1160 		result = 1; /* Manual mode */
1161 		break;
1162 	case 3:
1163 		if (data->type == f8000)
1164 			result = 3; /* Thermostat mode */
1165 		else
1166 			result = 1; /* Manual mode */
1167 		break;
1168 	}
1169 
1170 	return sprintf(buf, "%d\n", result);
1171 }
1172 
1173 static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
1174 				*devattr, const char *buf, size_t count)
1175 {
1176 	struct f71882fg_data *data = dev_get_drvdata(dev);
1177 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1178 	long val;
1179 
1180 	err = kstrtol(buf, 10, &val);
1181 	if (err)
1182 		return err;
1183 
1184 	/* Special case for F8000 pwm channel 3 which only does auto mode */
1185 	if (data->type == f8000 && nr == 2 && val != 2)
1186 		return -EINVAL;
1187 
1188 	mutex_lock(&data->update_lock);
1189 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1190 	/* Special case for F8000 auto PWM mode / Thermostat mode */
1191 	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
1192 		switch (val) {
1193 		case 2:
1194 			data->pwm_enable &= ~(2 << (2 * nr));
1195 			break;		/* Normal auto mode */
1196 		case 3:
1197 			data->pwm_enable |= 2 << (2 * nr);
1198 			break;		/* Thermostat mode */
1199 		default:
1200 			count = -EINVAL;
1201 			goto leave;
1202 		}
1203 	} else {
1204 		switch (val) {
1205 		case 1:
1206 			/* The f71858fg does not support manual RPM mode */
1207 			if (data->type == f71858fg &&
1208 			    ((data->pwm_enable >> (2 * nr)) & 1)) {
1209 				count = -EINVAL;
1210 				goto leave;
1211 			}
1212 			data->pwm_enable |= 2 << (2 * nr);
1213 			break;		/* Manual */
1214 		case 2:
1215 			data->pwm_enable &= ~(2 << (2 * nr));
1216 			break;		/* Normal auto mode */
1217 		default:
1218 			count = -EINVAL;
1219 			goto leave;
1220 		}
1221 	}
1222 	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1223 leave:
1224 	mutex_unlock(&data->update_lock);
1225 
1226 	return count;
1227 }
1228 
1229 static ssize_t show_pwm_interpolate(struct device *dev,
1230 				    struct device_attribute *devattr, char *buf)
1231 {
1232 	int result;
1233 	struct f71882fg_data *data = f71882fg_update_device(dev);
1234 	int nr = to_sensor_dev_attr_2(devattr)->index;
1235 
1236 	result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
1237 
1238 	return sprintf(buf, "%d\n", result);
1239 }
1240 
1241 static ssize_t store_pwm_interpolate(struct device *dev,
1242 				     struct device_attribute *devattr,
1243 				     const char *buf, size_t count)
1244 {
1245 	struct f71882fg_data *data = dev_get_drvdata(dev);
1246 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1247 	unsigned long val;
1248 
1249 	err = kstrtoul(buf, 10, &val);
1250 	if (err)
1251 		return err;
1252 
1253 	mutex_lock(&data->update_lock);
1254 	data->pwm_auto_point_mapping[nr] =
1255 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1256 	if (val)
1257 		val = data->pwm_auto_point_mapping[nr] | (1 << 4);
1258 	else
1259 		val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
1260 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1261 	data->pwm_auto_point_mapping[nr] = val;
1262 	mutex_unlock(&data->update_lock);
1263 
1264 	return count;
1265 }
1266 
1267 /* Fan / PWM attr common to all models */
1268 static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { {
1269 	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
1270 	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
1271 		      show_fan_full_speed,
1272 		      store_fan_full_speed, 0, 0),
1273 	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
1274 	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
1275 	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1276 		      store_pwm_enable, 0, 0),
1277 	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
1278 		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
1279 }, {
1280 	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
1281 	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
1282 		      show_fan_full_speed,
1283 		      store_fan_full_speed, 0, 1),
1284 	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
1285 	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
1286 	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1287 		      store_pwm_enable, 0, 1),
1288 	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
1289 		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
1290 }, {
1291 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
1292 	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
1293 		      show_fan_full_speed,
1294 		      store_fan_full_speed, 0, 2),
1295 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
1296 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
1297 	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1298 		      store_pwm_enable, 0, 2),
1299 	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
1300 		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
1301 }, {
1302 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
1303 	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
1304 		      show_fan_full_speed,
1305 		      store_fan_full_speed, 0, 3),
1306 	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
1307 	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
1308 	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1309 		      store_pwm_enable, 0, 3),
1310 	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
1311 		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
1312 } };
1313 
1314 static ssize_t show_simple_pwm(struct device *dev,
1315 			       struct device_attribute *devattr, char *buf)
1316 {
1317 	struct f71882fg_data *data = f71882fg_update_device(dev);
1318 	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1319 
1320 	val = data->pwm[nr];
1321 	return sprintf(buf, "%d\n", val);
1322 }
1323 
1324 static ssize_t store_simple_pwm(struct device *dev,
1325 				struct device_attribute *devattr,
1326 				const char *buf, size_t count)
1327 {
1328 	struct f71882fg_data *data = dev_get_drvdata(dev);
1329 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1330 	long val;
1331 
1332 	err = kstrtol(buf, 10, &val);
1333 	if (err)
1334 		return err;
1335 
1336 	val = clamp_val(val, 0, 255);
1337 
1338 	mutex_lock(&data->update_lock);
1339 	f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
1340 	data->pwm[nr] = val;
1341 	mutex_unlock(&data->update_lock);
1342 
1343 	return count;
1344 }
1345 
1346 /* Attr for the third fan of the f71808a, which only has manual pwm */
1347 static struct sensor_device_attribute_2 f71808a_fan3_attr[] = {
1348 	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
1349 	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
1350 	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR,
1351 		      show_simple_pwm, store_simple_pwm, 0, 2),
1352 };
1353 
1354 static ssize_t show_fan_beep(struct device *dev, struct device_attribute
1355 	*devattr, char *buf)
1356 {
1357 	struct f71882fg_data *data = f71882fg_update_device(dev);
1358 	int nr = to_sensor_dev_attr_2(devattr)->index;
1359 
1360 	if (data->fan_beep & (1 << nr))
1361 		return sprintf(buf, "1\n");
1362 	else
1363 		return sprintf(buf, "0\n");
1364 }
1365 
1366 static ssize_t store_fan_beep(struct device *dev, struct device_attribute
1367 	*devattr, const char *buf, size_t count)
1368 {
1369 	struct f71882fg_data *data = dev_get_drvdata(dev);
1370 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1371 	unsigned long val;
1372 
1373 	err = kstrtoul(buf, 10, &val);
1374 	if (err)
1375 		return err;
1376 
1377 	mutex_lock(&data->update_lock);
1378 	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
1379 	if (val)
1380 		data->fan_beep |= 1 << nr;
1381 	else
1382 		data->fan_beep &= ~(1 << nr);
1383 
1384 	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
1385 	mutex_unlock(&data->update_lock);
1386 
1387 	return count;
1388 }
1389 
1390 /* Attr for models which can beep on Fan alarm */
1391 static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
1392 	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1393 		store_fan_beep, 0, 0),
1394 	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1395 		store_fan_beep, 0, 1),
1396 	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1397 		store_fan_beep, 0, 2),
1398 	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
1399 		store_fan_beep, 0, 3),
1400 };
1401 
1402 static ssize_t show_pwm_auto_point_channel(struct device *dev,
1403 					   struct device_attribute *devattr,
1404 					   char *buf)
1405 {
1406 	int result;
1407 	struct f71882fg_data *data = f71882fg_update_device(dev);
1408 	int nr = to_sensor_dev_attr_2(devattr)->index;
1409 
1410 	result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
1411 		       data->temp_start);
1412 
1413 	return sprintf(buf, "%d\n", result);
1414 }
1415 
1416 static ssize_t store_pwm_auto_point_channel(struct device *dev,
1417 					    struct device_attribute *devattr,
1418 					    const char *buf, size_t count)
1419 {
1420 	struct f71882fg_data *data = dev_get_drvdata(dev);
1421 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1422 	long val;
1423 
1424 	err = kstrtol(buf, 10, &val);
1425 	if (err)
1426 		return err;
1427 
1428 	switch (val) {
1429 	case 1:
1430 		val = 0;
1431 		break;
1432 	case 2:
1433 		val = 1;
1434 		break;
1435 	case 4:
1436 		val = 2;
1437 		break;
1438 	default:
1439 		return -EINVAL;
1440 	}
1441 	val += data->temp_start;
1442 	mutex_lock(&data->update_lock);
1443 	data->pwm_auto_point_mapping[nr] =
1444 		f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
1445 	val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
1446 	f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
1447 	data->pwm_auto_point_mapping[nr] = val;
1448 	mutex_unlock(&data->update_lock);
1449 
1450 	return count;
1451 }
1452 
1453 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
1454 				       struct device_attribute *devattr,
1455 				       char *buf)
1456 {
1457 	int result;
1458 	struct f71882fg_data *data = f71882fg_update_device(dev);
1459 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1460 	int point = to_sensor_dev_attr_2(devattr)->nr;
1461 
1462 	mutex_lock(&data->update_lock);
1463 	if (data->pwm_enable & (1 << (2 * pwm))) {
1464 		/* PWM mode */
1465 		result = data->pwm_auto_point_pwm[pwm][point];
1466 	} else {
1467 		/* RPM mode */
1468 		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
1469 	}
1470 	mutex_unlock(&data->update_lock);
1471 
1472 	return sprintf(buf, "%d\n", result);
1473 }
1474 
1475 static ssize_t store_pwm_auto_point_pwm(struct device *dev,
1476 					struct device_attribute *devattr,
1477 					const char *buf, size_t count)
1478 {
1479 	struct f71882fg_data *data = dev_get_drvdata(dev);
1480 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1481 	int point = to_sensor_dev_attr_2(devattr)->nr;
1482 	long val;
1483 
1484 	err = kstrtol(buf, 10, &val);
1485 	if (err)
1486 		return err;
1487 
1488 	val = clamp_val(val, 0, 255);
1489 
1490 	mutex_lock(&data->update_lock);
1491 	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1492 	if (data->pwm_enable & (1 << (2 * pwm))) {
1493 		/* PWM mode */
1494 	} else {
1495 		/* RPM mode */
1496 		if (val < 29)	/* Prevent negative numbers */
1497 			val = 255;
1498 		else
1499 			val = (255 - val) * 32 / val;
1500 	}
1501 	f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
1502 	data->pwm_auto_point_pwm[pwm][point] = val;
1503 	mutex_unlock(&data->update_lock);
1504 
1505 	return count;
1506 }
1507 
1508 static ssize_t show_pwm_auto_point_temp(struct device *dev,
1509 					struct device_attribute *devattr,
1510 					char *buf)
1511 {
1512 	int result;
1513 	struct f71882fg_data *data = f71882fg_update_device(dev);
1514 	int pwm = to_sensor_dev_attr_2(devattr)->index;
1515 	int point = to_sensor_dev_attr_2(devattr)->nr;
1516 
1517 	result = data->pwm_auto_point_temp[pwm][point];
1518 	return sprintf(buf, "%d\n", 1000 * result);
1519 }
1520 
1521 static ssize_t store_pwm_auto_point_temp(struct device *dev,
1522 					 struct device_attribute *devattr,
1523 					 const char *buf, size_t count)
1524 {
1525 	struct f71882fg_data *data = dev_get_drvdata(dev);
1526 	int err, pwm = to_sensor_dev_attr_2(devattr)->index;
1527 	int point = to_sensor_dev_attr_2(devattr)->nr;
1528 	long val;
1529 
1530 	err = kstrtol(buf, 10, &val);
1531 	if (err)
1532 		return err;
1533 
1534 	val /= 1000;
1535 
1536 	if (data->auto_point_temp_signed)
1537 		val = clamp_val(val, -128, 127);
1538 	else
1539 		val = clamp_val(val, 0, 127);
1540 
1541 	mutex_lock(&data->update_lock);
1542 	f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
1543 	data->pwm_auto_point_temp[pwm][point] = val;
1544 	mutex_unlock(&data->update_lock);
1545 
1546 	return count;
1547 }
1548 
1549 static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
1550 					     struct device_attribute *devattr,
1551 					     char *buf)
1552 {
1553 	int result = 0;
1554 	struct f71882fg_data *data = f71882fg_update_device(dev);
1555 	int nr = to_sensor_dev_attr_2(devattr)->index;
1556 	int point = to_sensor_dev_attr_2(devattr)->nr;
1557 
1558 	mutex_lock(&data->update_lock);
1559 	if (nr & 1)
1560 		result = data->pwm_auto_point_hyst[nr / 2] >> 4;
1561 	else
1562 		result = data->pwm_auto_point_hyst[nr / 2] & 0x0f;
1563 	result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
1564 	mutex_unlock(&data->update_lock);
1565 
1566 	return sprintf(buf, "%d\n", result);
1567 }
1568 
1569 static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
1570 					      struct device_attribute *devattr,
1571 					      const char *buf, size_t count)
1572 {
1573 	struct f71882fg_data *data = dev_get_drvdata(dev);
1574 	int err, nr = to_sensor_dev_attr_2(devattr)->index;
1575 	int point = to_sensor_dev_attr_2(devattr)->nr;
1576 	u8 reg;
1577 	long val;
1578 
1579 	err = kstrtol(buf, 10, &val);
1580 	if (err)
1581 		return err;
1582 
1583 	val /= 1000;
1584 
1585 	mutex_lock(&data->update_lock);
1586 	data->pwm_auto_point_temp[nr][point] =
1587 		f71882fg_read8(data, F71882FG_REG_POINT_TEMP(nr, point));
1588 	val = clamp_val(val, data->pwm_auto_point_temp[nr][point] - 15,
1589 			data->pwm_auto_point_temp[nr][point]);
1590 	val = data->pwm_auto_point_temp[nr][point] - val;
1591 
1592 	reg = f71882fg_read8(data, F71882FG_REG_FAN_HYST(nr / 2));
1593 	if (nr & 1)
1594 		reg = (reg & 0x0f) | (val << 4);
1595 	else
1596 		reg = (reg & 0xf0) | val;
1597 
1598 	f71882fg_write8(data, F71882FG_REG_FAN_HYST(nr / 2), reg);
1599 	data->pwm_auto_point_hyst[nr / 2] = reg;
1600 	mutex_unlock(&data->update_lock);
1601 
1602 	return count;
1603 }
1604 
1605 /*
1606  * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
1607  * standard models
1608  */
1609 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
1610 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1611 		      show_pwm_auto_point_channel,
1612 		      store_pwm_auto_point_channel, 0, 0),
1613 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1614 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1615 		      1, 0),
1616 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1617 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1618 		      4, 0),
1619 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1620 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1621 		      0, 0),
1622 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1623 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1624 		      3, 0),
1625 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1626 		      show_pwm_auto_point_temp_hyst,
1627 		      store_pwm_auto_point_temp_hyst,
1628 		      0, 0),
1629 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1630 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1631 }, {
1632 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1633 		      show_pwm_auto_point_channel,
1634 		      store_pwm_auto_point_channel, 0, 1),
1635 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1636 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1637 		      1, 1),
1638 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1639 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1640 		      4, 1),
1641 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1642 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1643 		      0, 1),
1644 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1645 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1646 		      3, 1),
1647 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1648 		      show_pwm_auto_point_temp_hyst,
1649 		      store_pwm_auto_point_temp_hyst,
1650 		      0, 1),
1651 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1652 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1653 }, {
1654 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1655 		      show_pwm_auto_point_channel,
1656 		      store_pwm_auto_point_channel, 0, 2),
1657 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1658 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1659 		      1, 2),
1660 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1661 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1662 		      4, 2),
1663 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1664 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1665 		      0, 2),
1666 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1667 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1668 		      3, 2),
1669 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1670 		      show_pwm_auto_point_temp_hyst,
1671 		      store_pwm_auto_point_temp_hyst,
1672 		      0, 2),
1673 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1674 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1675 } };
1676 
1677 /*
1678  * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
1679  * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
1680  * programmed instead of being hardcoded to 0xff
1681  */
1682 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
1683 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1684 		      show_pwm_auto_point_channel,
1685 		      store_pwm_auto_point_channel, 0, 0),
1686 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1687 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1688 		      0, 0),
1689 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1690 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1691 		      1, 0),
1692 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1693 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1694 		      4, 0),
1695 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1696 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1697 		      0, 0),
1698 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1699 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1700 		      3, 0),
1701 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1702 		      show_pwm_auto_point_temp_hyst,
1703 		      store_pwm_auto_point_temp_hyst,
1704 		      0, 0),
1705 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1706 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1707 }, {
1708 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1709 		      show_pwm_auto_point_channel,
1710 		      store_pwm_auto_point_channel, 0, 1),
1711 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1712 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1713 		      0, 1),
1714 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1715 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1716 		      1, 1),
1717 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1718 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1719 		      4, 1),
1720 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1721 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1722 		      0, 1),
1723 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1724 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1725 		      3, 1),
1726 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1727 		      show_pwm_auto_point_temp_hyst,
1728 		      store_pwm_auto_point_temp_hyst,
1729 		      0, 1),
1730 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1731 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1732 }, {
1733 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1734 		      show_pwm_auto_point_channel,
1735 		      store_pwm_auto_point_channel, 0, 2),
1736 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1737 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1738 		      0, 2),
1739 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1740 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1741 		      1, 2),
1742 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1743 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1744 		      4, 2),
1745 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1746 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1747 		      0, 2),
1748 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1749 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1750 		      3, 2),
1751 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1752 		      show_pwm_auto_point_temp_hyst,
1753 		      store_pwm_auto_point_temp_hyst,
1754 		      0, 2),
1755 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1756 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1757 } };
1758 
1759 /* PWM attr for the standard models */
1760 static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { {
1761 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1762 		      show_pwm_auto_point_channel,
1763 		      store_pwm_auto_point_channel, 0, 0),
1764 	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1765 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1766 		      0, 0),
1767 	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1768 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1769 		      1, 0),
1770 	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1771 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1772 		      2, 0),
1773 	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1774 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1775 		      3, 0),
1776 	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1777 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1778 		      4, 0),
1779 	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
1780 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1781 		      0, 0),
1782 	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
1783 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1784 		      1, 0),
1785 	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
1786 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1787 		      2, 0),
1788 	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
1789 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1790 		      3, 0),
1791 	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1792 		      show_pwm_auto_point_temp_hyst,
1793 		      store_pwm_auto_point_temp_hyst,
1794 		      0, 0),
1795 	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
1796 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
1797 	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
1798 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
1799 	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
1800 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
1801 }, {
1802 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1803 		      show_pwm_auto_point_channel,
1804 		      store_pwm_auto_point_channel, 0, 1),
1805 	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1806 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1807 		      0, 1),
1808 	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1809 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1810 		      1, 1),
1811 	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1812 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1813 		      2, 1),
1814 	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1815 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1816 		      3, 1),
1817 	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1818 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1819 		      4, 1),
1820 	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
1821 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1822 		      0, 1),
1823 	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
1824 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1825 		      1, 1),
1826 	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
1827 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1828 		      2, 1),
1829 	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
1830 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1831 		      3, 1),
1832 	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1833 		      show_pwm_auto_point_temp_hyst,
1834 		      store_pwm_auto_point_temp_hyst,
1835 		      0, 1),
1836 	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
1837 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
1838 	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
1839 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
1840 	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
1841 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
1842 }, {
1843 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
1844 		      show_pwm_auto_point_channel,
1845 		      store_pwm_auto_point_channel, 0, 2),
1846 	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
1847 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1848 		      0, 2),
1849 	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
1850 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1851 		      1, 2),
1852 	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
1853 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1854 		      2, 2),
1855 	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
1856 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1857 		      3, 2),
1858 	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
1859 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1860 		      4, 2),
1861 	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
1862 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1863 		      0, 2),
1864 	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
1865 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1866 		      1, 2),
1867 	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
1868 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1869 		      2, 2),
1870 	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
1871 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1872 		      3, 2),
1873 	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1874 		      show_pwm_auto_point_temp_hyst,
1875 		      store_pwm_auto_point_temp_hyst,
1876 		      0, 2),
1877 	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
1878 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1879 	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
1880 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1881 	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
1882 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1883 }, {
1884 	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
1885 		      show_pwm_auto_point_channel,
1886 		      store_pwm_auto_point_channel, 0, 3),
1887 	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
1888 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1889 		      0, 3),
1890 	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
1891 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1892 		      1, 3),
1893 	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
1894 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1895 		      2, 3),
1896 	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
1897 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1898 		      3, 3),
1899 	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
1900 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1901 		      4, 3),
1902 	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
1903 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1904 		      0, 3),
1905 	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
1906 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1907 		      1, 3),
1908 	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
1909 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1910 		      2, 3),
1911 	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
1912 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1913 		      3, 3),
1914 	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1915 		      show_pwm_auto_point_temp_hyst,
1916 		      store_pwm_auto_point_temp_hyst,
1917 		      0, 3),
1918 	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
1919 		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
1920 	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
1921 		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
1922 	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
1923 		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
1924 } };
1925 
1926 /* Fan attr specific to the f8000 (4th fan input can only measure speed) */
1927 static struct sensor_device_attribute_2 f8000_fan_attr[] = {
1928 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
1929 };
1930 
1931 /*
1932  * PWM attr for the f8000, zones mapped to temp instead of to pwm!
1933  * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
1934  * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
1935  */
1936 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
1937 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
1938 		      show_pwm_auto_point_channel,
1939 		      store_pwm_auto_point_channel, 0, 0),
1940 	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
1941 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1942 		      0, 2),
1943 	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
1944 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1945 		      1, 2),
1946 	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
1947 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1948 		      2, 2),
1949 	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
1950 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1951 		      3, 2),
1952 	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
1953 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1954 		      4, 2),
1955 	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
1956 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1957 		      0, 2),
1958 	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
1959 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1960 		      1, 2),
1961 	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
1962 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1963 		      2, 2),
1964 	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
1965 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1966 		      3, 2),
1967 	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
1968 		      show_pwm_auto_point_temp_hyst,
1969 		      store_pwm_auto_point_temp_hyst,
1970 		      0, 2),
1971 	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
1972 		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
1973 	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
1974 		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
1975 	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
1976 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
1977 }, {
1978 	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
1979 		      show_pwm_auto_point_channel,
1980 		      store_pwm_auto_point_channel, 0, 1),
1981 	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
1982 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1983 		      0, 0),
1984 	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
1985 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1986 		      1, 0),
1987 	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
1988 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1989 		      2, 0),
1990 	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
1991 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1992 		      3, 0),
1993 	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
1994 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1995 		      4, 0),
1996 	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
1997 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
1998 		      0, 0),
1999 	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
2000 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2001 		      1, 0),
2002 	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
2003 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2004 		      2, 0),
2005 	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
2006 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2007 		      3, 0),
2008 	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
2009 		      show_pwm_auto_point_temp_hyst,
2010 		      store_pwm_auto_point_temp_hyst,
2011 		      0, 0),
2012 	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
2013 		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
2014 	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
2015 		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
2016 	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
2017 		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),
2018 }, {
2019 	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
2020 		      show_pwm_auto_point_channel,
2021 		      store_pwm_auto_point_channel, 0, 2),
2022 	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
2023 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2024 		      0, 1),
2025 	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
2026 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2027 		      1, 1),
2028 	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
2029 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2030 		      2, 1),
2031 	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
2032 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2033 		      3, 1),
2034 	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
2035 		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
2036 		      4, 1),
2037 	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
2038 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2039 		      0, 1),
2040 	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
2041 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2042 		      1, 1),
2043 	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
2044 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2045 		      2, 1),
2046 	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
2047 		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
2048 		      3, 1),
2049 	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
2050 		      show_pwm_auto_point_temp_hyst,
2051 		      store_pwm_auto_point_temp_hyst,
2052 		      0, 1),
2053 	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
2054 		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
2055 	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
2056 		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
2057 	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
2058 		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
2059 } };
2060 
2061 /* Super I/O functions */
2062 static inline int superio_inb(int base, int reg)
2063 {
2064 	outb(reg, base);
2065 	return inb(base + 1);
2066 }
2067 
2068 static int superio_inw(int base, int reg)
2069 {
2070 	int val;
2071 	val  = superio_inb(base, reg) << 8;
2072 	val |= superio_inb(base, reg + 1);
2073 	return val;
2074 }
2075 
2076 static inline int superio_enter(int base)
2077 {
2078 	/* Don't step on other drivers' I/O space by accident */
2079 	if (!request_muxed_region(base, 2, DRVNAME)) {
2080 		pr_err("I/O address 0x%04x already in use\n", base);
2081 		return -EBUSY;
2082 	}
2083 
2084 	/* according to the datasheet the key must be send twice! */
2085 	outb(SIO_UNLOCK_KEY, base);
2086 	outb(SIO_UNLOCK_KEY, base);
2087 
2088 	return 0;
2089 }
2090 
2091 static inline void superio_select(int base, int ld)
2092 {
2093 	outb(SIO_REG_LDSEL, base);
2094 	outb(ld, base + 1);
2095 }
2096 
2097 static inline void superio_exit(int base)
2098 {
2099 	outb(SIO_LOCK_KEY, base);
2100 	release_region(base, 2);
2101 }
2102 
2103 static int f71882fg_create_sysfs_files(struct platform_device *pdev,
2104 	struct sensor_device_attribute_2 *attr, int count)
2105 {
2106 	int err, i;
2107 
2108 	for (i = 0; i < count; i++) {
2109 		err = device_create_file(&pdev->dev, &attr[i].dev_attr);
2110 		if (err)
2111 			return err;
2112 	}
2113 	return 0;
2114 }
2115 
2116 static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
2117 	struct sensor_device_attribute_2 *attr, int count)
2118 {
2119 	int i;
2120 
2121 	for (i = 0; i < count; i++)
2122 		device_remove_file(&pdev->dev, &attr[i].dev_attr);
2123 }
2124 
2125 static int f71882fg_create_fan_sysfs_files(
2126 	struct platform_device *pdev, int idx)
2127 {
2128 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2129 	int err;
2130 
2131 	/* Sanity check the pwm setting */
2132 	err = 0;
2133 	switch (data->type) {
2134 	case f71858fg:
2135 		if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
2136 			err = 1;
2137 		break;
2138 	case f71862fg:
2139 		if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
2140 			err = 1;
2141 		break;
2142 	case f8000:
2143 		if (idx == 2)
2144 			err = data->pwm_enable & 0x20;
2145 		break;
2146 	default:
2147 		break;
2148 	}
2149 	if (err) {
2150 		dev_err(&pdev->dev,
2151 			"Invalid (reserved) pwm settings: 0x%02x, "
2152 			"skipping fan %d\n",
2153 			(data->pwm_enable >> (idx * 2)) & 3, idx + 1);
2154 		return 0; /* This is a non fatal condition */
2155 	}
2156 
2157 	err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
2158 					  ARRAY_SIZE(fxxxx_fan_attr[0]));
2159 	if (err)
2160 		return err;
2161 
2162 	if (f71882fg_fan_has_beep[data->type]) {
2163 		err = f71882fg_create_sysfs_files(pdev,
2164 						  &fxxxx_fan_beep_attr[idx],
2165 						  1);
2166 		if (err)
2167 			return err;
2168 	}
2169 
2170 	dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
2171 		 (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
2172 
2173 	/* Check for unsupported auto pwm settings */
2174 	switch (data->type) {
2175 	case f71808e:
2176 	case f71808a:
2177 	case f71869:
2178 	case f71869a:
2179 	case f71889fg:
2180 	case f71889ed:
2181 	case f71889a:
2182 		data->pwm_auto_point_mapping[idx] =
2183 			f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
2184 		if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
2185 		    (data->pwm_auto_point_mapping[idx] & 3) == 0) {
2186 			dev_warn(&pdev->dev,
2187 				 "Auto pwm controlled by raw digital "
2188 				 "data, disabling pwm auto_point "
2189 				 "sysfs attributes for fan %d\n", idx + 1);
2190 			return 0; /* This is a non fatal condition */
2191 		}
2192 		break;
2193 	default:
2194 		break;
2195 	}
2196 
2197 	switch (data->type) {
2198 	case f71862fg:
2199 		err = f71882fg_create_sysfs_files(pdev,
2200 					&f71862fg_auto_pwm_attr[idx][0],
2201 					ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
2202 		break;
2203 	case f71808e:
2204 	case f71869:
2205 		err = f71882fg_create_sysfs_files(pdev,
2206 					&f71869_auto_pwm_attr[idx][0],
2207 					ARRAY_SIZE(f71869_auto_pwm_attr[0]));
2208 		break;
2209 	case f8000:
2210 		err = f71882fg_create_sysfs_files(pdev,
2211 					&f8000_auto_pwm_attr[idx][0],
2212 					ARRAY_SIZE(f8000_auto_pwm_attr[0]));
2213 		break;
2214 	default:
2215 		err = f71882fg_create_sysfs_files(pdev,
2216 					&fxxxx_auto_pwm_attr[idx][0],
2217 					ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
2218 	}
2219 
2220 	return err;
2221 }
2222 
2223 static int f71882fg_remove(struct platform_device *pdev)
2224 {
2225 	struct f71882fg_data *data = platform_get_drvdata(pdev);
2226 	int nr_fans = f71882fg_nr_fans[data->type];
2227 	int nr_temps = f71882fg_nr_temps[data->type];
2228 	int i;
2229 	u8 start_reg = f71882fg_read8(data, F71882FG_REG_START);
2230 
2231 	if (data->hwmon_dev)
2232 		hwmon_device_unregister(data->hwmon_dev);
2233 
2234 	device_remove_file(&pdev->dev, &dev_attr_name);
2235 
2236 	if (start_reg & 0x01) {
2237 		switch (data->type) {
2238 		case f71858fg:
2239 			if (data->temp_config & 0x10)
2240 				f71882fg_remove_sysfs_files(pdev,
2241 					f8000_temp_attr,
2242 					ARRAY_SIZE(f8000_temp_attr));
2243 			else
2244 				f71882fg_remove_sysfs_files(pdev,
2245 					f71858fg_temp_attr,
2246 					ARRAY_SIZE(f71858fg_temp_attr));
2247 			break;
2248 		case f8000:
2249 			f71882fg_remove_sysfs_files(pdev,
2250 					f8000_temp_attr,
2251 					ARRAY_SIZE(f8000_temp_attr));
2252 			break;
2253 		case f81866a:
2254 			f71882fg_remove_sysfs_files(pdev,
2255 					f71858fg_temp_attr,
2256 					ARRAY_SIZE(f71858fg_temp_attr));
2257 			break;
2258 		default:
2259 			f71882fg_remove_sysfs_files(pdev,
2260 				&fxxxx_temp_attr[0][0],
2261 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2262 		}
2263 		if (f71882fg_temp_has_beep[data->type]) {
2264 			if (data->type == f81866a)
2265 				f71882fg_remove_sysfs_files(pdev,
2266 					&f81866_temp_beep_attr[0][0],
2267 					ARRAY_SIZE(f81866_temp_beep_attr[0])
2268 						* nr_temps);
2269 			else
2270 				f71882fg_remove_sysfs_files(pdev,
2271 					&fxxxx_temp_beep_attr[0][0],
2272 					ARRAY_SIZE(fxxxx_temp_beep_attr[0])
2273 						* nr_temps);
2274 		}
2275 
2276 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2277 			if (f71882fg_has_in[data->type][i]) {
2278 				device_remove_file(&pdev->dev,
2279 						&fxxxx_in_attr[i].dev_attr);
2280 			}
2281 		}
2282 		if (f71882fg_has_in1_alarm[data->type]) {
2283 			f71882fg_remove_sysfs_files(pdev,
2284 					fxxxx_in1_alarm_attr,
2285 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2286 		}
2287 	}
2288 
2289 	if (start_reg & 0x02) {
2290 		f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
2291 				ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
2292 
2293 		if (f71882fg_fan_has_beep[data->type]) {
2294 			f71882fg_remove_sysfs_files(pdev,
2295 					fxxxx_fan_beep_attr, nr_fans);
2296 		}
2297 
2298 		switch (data->type) {
2299 		case f71808a:
2300 			f71882fg_remove_sysfs_files(pdev,
2301 				&fxxxx_auto_pwm_attr[0][0],
2302 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2303 			f71882fg_remove_sysfs_files(pdev,
2304 					f71808a_fan3_attr,
2305 					ARRAY_SIZE(f71808a_fan3_attr));
2306 			break;
2307 		case f71862fg:
2308 			f71882fg_remove_sysfs_files(pdev,
2309 				&f71862fg_auto_pwm_attr[0][0],
2310 				ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
2311 					nr_fans);
2312 			break;
2313 		case f71808e:
2314 		case f71869:
2315 			f71882fg_remove_sysfs_files(pdev,
2316 				&f71869_auto_pwm_attr[0][0],
2317 				ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
2318 			break;
2319 		case f8000:
2320 			f71882fg_remove_sysfs_files(pdev,
2321 					f8000_fan_attr,
2322 					ARRAY_SIZE(f8000_fan_attr));
2323 			f71882fg_remove_sysfs_files(pdev,
2324 				&f8000_auto_pwm_attr[0][0],
2325 				ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
2326 			break;
2327 		default:
2328 			f71882fg_remove_sysfs_files(pdev,
2329 				&fxxxx_auto_pwm_attr[0][0],
2330 				ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
2331 		}
2332 	}
2333 	return 0;
2334 }
2335 
2336 static int f71882fg_probe(struct platform_device *pdev)
2337 {
2338 	struct f71882fg_data *data;
2339 	struct f71882fg_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2340 	int nr_fans = f71882fg_nr_fans[sio_data->type];
2341 	int nr_temps = f71882fg_nr_temps[sio_data->type];
2342 	int err, i;
2343 	int size;
2344 	u8 start_reg, reg;
2345 
2346 	data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
2347 			    GFP_KERNEL);
2348 	if (!data)
2349 		return -ENOMEM;
2350 
2351 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
2352 	data->type = sio_data->type;
2353 	data->temp_start =
2354 	    (data->type == f71858fg || data->type == f8000 ||
2355 		data->type == f81866a) ? 0 : 1;
2356 	mutex_init(&data->update_lock);
2357 	platform_set_drvdata(pdev, data);
2358 
2359 	start_reg = f71882fg_read8(data, F71882FG_REG_START);
2360 	if (start_reg & 0x04) {
2361 		dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
2362 		return -ENODEV;
2363 	}
2364 	if (!(start_reg & 0x03)) {
2365 		dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
2366 		return -ENODEV;
2367 	}
2368 
2369 	/* Register sysfs interface files */
2370 	err = device_create_file(&pdev->dev, &dev_attr_name);
2371 	if (err)
2372 		goto exit_unregister_sysfs;
2373 
2374 	if (start_reg & 0x01) {
2375 		switch (data->type) {
2376 		case f71858fg:
2377 			data->temp_config =
2378 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
2379 			if (data->temp_config & 0x10)
2380 				/*
2381 				 * The f71858fg temperature alarms behave as
2382 				 * the f8000 alarms in this mode
2383 				 */
2384 				err = f71882fg_create_sysfs_files(pdev,
2385 					f8000_temp_attr,
2386 					ARRAY_SIZE(f8000_temp_attr));
2387 			else
2388 				err = f71882fg_create_sysfs_files(pdev,
2389 					f71858fg_temp_attr,
2390 					ARRAY_SIZE(f71858fg_temp_attr));
2391 			break;
2392 		case f8000:
2393 			err = f71882fg_create_sysfs_files(pdev,
2394 					f8000_temp_attr,
2395 					ARRAY_SIZE(f8000_temp_attr));
2396 			break;
2397 		case f81866a:
2398 			err = f71882fg_create_sysfs_files(pdev,
2399 					f71858fg_temp_attr,
2400 					ARRAY_SIZE(f71858fg_temp_attr));
2401 			break;
2402 		default:
2403 			err = f71882fg_create_sysfs_files(pdev,
2404 				&fxxxx_temp_attr[0][0],
2405 				ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps);
2406 		}
2407 		if (err)
2408 			goto exit_unregister_sysfs;
2409 
2410 		if (f71882fg_temp_has_beep[data->type]) {
2411 			if (data->type == f81866a) {
2412 				size = ARRAY_SIZE(f81866_temp_beep_attr[0]);
2413 				err = f71882fg_create_sysfs_files(pdev,
2414 						&f81866_temp_beep_attr[0][0],
2415 						size * nr_temps);
2416 
2417 			} else {
2418 				size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]);
2419 				err = f71882fg_create_sysfs_files(pdev,
2420 						&fxxxx_temp_beep_attr[0][0],
2421 						size * nr_temps);
2422 			}
2423 			if (err)
2424 				goto exit_unregister_sysfs;
2425 		}
2426 
2427 		for (i = 0; i < F71882FG_MAX_INS; i++) {
2428 			if (f71882fg_has_in[data->type][i]) {
2429 				err = device_create_file(&pdev->dev,
2430 						&fxxxx_in_attr[i].dev_attr);
2431 				if (err)
2432 					goto exit_unregister_sysfs;
2433 			}
2434 		}
2435 		if (f71882fg_has_in1_alarm[data->type]) {
2436 			err = f71882fg_create_sysfs_files(pdev,
2437 					fxxxx_in1_alarm_attr,
2438 					ARRAY_SIZE(fxxxx_in1_alarm_attr));
2439 			if (err)
2440 				goto exit_unregister_sysfs;
2441 		}
2442 	}
2443 
2444 	if (start_reg & 0x02) {
2445 		switch (data->type) {
2446 		case f71808e:
2447 		case f71808a:
2448 		case f71869:
2449 		case f71869a:
2450 			/* These always have signed auto point temps */
2451 			data->auto_point_temp_signed = 1;
2452 			fallthrough;	/* to select correct fan/pwm reg bank! */
2453 		case f71889fg:
2454 		case f71889ed:
2455 		case f71889a:
2456 			reg = f71882fg_read8(data, F71882FG_REG_FAN_FAULT_T);
2457 			if (reg & F71882FG_FAN_NEG_TEMP_EN)
2458 				data->auto_point_temp_signed = 1;
2459 			/* Ensure banked pwm registers point to right bank */
2460 			reg &= ~F71882FG_FAN_PROG_SEL;
2461 			f71882fg_write8(data, F71882FG_REG_FAN_FAULT_T, reg);
2462 			break;
2463 		default:
2464 			break;
2465 		}
2466 
2467 		data->pwm_enable =
2468 			f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
2469 
2470 		for (i = 0; i < nr_fans; i++) {
2471 			err = f71882fg_create_fan_sysfs_files(pdev, i);
2472 			if (err)
2473 				goto exit_unregister_sysfs;
2474 		}
2475 
2476 		/* Some types have 1 extra fan with limited functionality */
2477 		switch (data->type) {
2478 		case f71808a:
2479 			err = f71882fg_create_sysfs_files(pdev,
2480 					f71808a_fan3_attr,
2481 					ARRAY_SIZE(f71808a_fan3_attr));
2482 			break;
2483 		case f8000:
2484 			err = f71882fg_create_sysfs_files(pdev,
2485 					f8000_fan_attr,
2486 					ARRAY_SIZE(f8000_fan_attr));
2487 			break;
2488 		default:
2489 			break;
2490 		}
2491 		if (err)
2492 			goto exit_unregister_sysfs;
2493 	}
2494 
2495 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
2496 	if (IS_ERR(data->hwmon_dev)) {
2497 		err = PTR_ERR(data->hwmon_dev);
2498 		data->hwmon_dev = NULL;
2499 		goto exit_unregister_sysfs;
2500 	}
2501 
2502 	return 0;
2503 
2504 exit_unregister_sysfs:
2505 	f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
2506 	return err; /* f71882fg_remove() also frees our data */
2507 }
2508 
2509 static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
2510 {
2511 	u16 devid;
2512 	unsigned short address;
2513 	int err = superio_enter(sioaddr);
2514 	if (err)
2515 		return err;
2516 
2517 	devid = superio_inw(sioaddr, SIO_REG_MANID);
2518 	if (devid != SIO_FINTEK_ID) {
2519 		pr_debug("Not a Fintek device\n");
2520 		err = -ENODEV;
2521 		goto exit;
2522 	}
2523 
2524 	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
2525 	switch (devid) {
2526 	case SIO_F71808E_ID:
2527 		sio_data->type = f71808e;
2528 		break;
2529 	case SIO_F71808A_ID:
2530 		sio_data->type = f71808a;
2531 		break;
2532 	case SIO_F71858_ID:
2533 	case SIO_F71858AD_ID:
2534 		sio_data->type = f71858fg;
2535 		break;
2536 	case SIO_F71862_ID:
2537 		sio_data->type = f71862fg;
2538 		break;
2539 	case SIO_F71868_ID:
2540 		sio_data->type = f71868a;
2541 		break;
2542 	case SIO_F71869_ID:
2543 		sio_data->type = f71869;
2544 		break;
2545 	case SIO_F71869A_ID:
2546 		sio_data->type = f71869a;
2547 		break;
2548 	case SIO_F71882_ID:
2549 		sio_data->type = f71882fg;
2550 		break;
2551 	case SIO_F71889_ID:
2552 		sio_data->type = f71889fg;
2553 		break;
2554 	case SIO_F71889E_ID:
2555 		sio_data->type = f71889ed;
2556 		break;
2557 	case SIO_F71889A_ID:
2558 		sio_data->type = f71889a;
2559 		break;
2560 	case SIO_F8000_ID:
2561 		sio_data->type = f8000;
2562 		break;
2563 	case SIO_F81768D_ID:
2564 		sio_data->type = f81768d;
2565 		break;
2566 	case SIO_F81865_ID:
2567 		sio_data->type = f81865f;
2568 		break;
2569 	case SIO_F81866_ID:
2570 	case SIO_F81966_ID:
2571 		sio_data->type = f81866a;
2572 		break;
2573 	default:
2574 		pr_info("Unsupported Fintek device: %04x\n",
2575 			(unsigned int)devid);
2576 		err = -ENODEV;
2577 		goto exit;
2578 	}
2579 
2580 	if (sio_data->type == f71858fg)
2581 		superio_select(sioaddr, SIO_F71858FG_LD_HWM);
2582 	else
2583 		superio_select(sioaddr, SIO_F71882FG_LD_HWM);
2584 
2585 	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
2586 		pr_warn("Device not activated\n");
2587 		err = -ENODEV;
2588 		goto exit;
2589 	}
2590 
2591 	address = superio_inw(sioaddr, SIO_REG_ADDR);
2592 	if (address == 0) {
2593 		pr_warn("Base address not set\n");
2594 		err = -ENODEV;
2595 		goto exit;
2596 	}
2597 	address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
2598 
2599 	err = address;
2600 	pr_info("Found %s chip at %#x, revision %d\n",
2601 		f71882fg_names[sio_data->type],	(unsigned int)address,
2602 		(int)superio_inb(sioaddr, SIO_REG_DEVREV));
2603 exit:
2604 	superio_exit(sioaddr);
2605 	return err;
2606 }
2607 
2608 static int __init f71882fg_device_add(int address,
2609 				      const struct f71882fg_sio_data *sio_data)
2610 {
2611 	struct resource res = {
2612 		.start	= address,
2613 		.end	= address + REGION_LENGTH - 1,
2614 		.flags	= IORESOURCE_IO,
2615 	};
2616 	int err;
2617 
2618 	f71882fg_pdev = platform_device_alloc(DRVNAME, address);
2619 	if (!f71882fg_pdev)
2620 		return -ENOMEM;
2621 
2622 	res.name = f71882fg_pdev->name;
2623 	err = acpi_check_resource_conflict(&res);
2624 	if (err)
2625 		goto exit_device_put;
2626 
2627 	err = platform_device_add_resources(f71882fg_pdev, &res, 1);
2628 	if (err) {
2629 		pr_err("Device resource addition failed\n");
2630 		goto exit_device_put;
2631 	}
2632 
2633 	err = platform_device_add_data(f71882fg_pdev, sio_data,
2634 				       sizeof(struct f71882fg_sio_data));
2635 	if (err) {
2636 		pr_err("Platform data allocation failed\n");
2637 		goto exit_device_put;
2638 	}
2639 
2640 	err = platform_device_add(f71882fg_pdev);
2641 	if (err) {
2642 		pr_err("Device addition failed\n");
2643 		goto exit_device_put;
2644 	}
2645 
2646 	return 0;
2647 
2648 exit_device_put:
2649 	platform_device_put(f71882fg_pdev);
2650 
2651 	return err;
2652 }
2653 
2654 static struct platform_driver f71882fg_driver = {
2655 	.driver = {
2656 		.name	= DRVNAME,
2657 	},
2658 	.probe		= f71882fg_probe,
2659 	.remove		= f71882fg_remove,
2660 };
2661 
2662 static int __init f71882fg_init(void)
2663 {
2664 	int err;
2665 	int address;
2666 	struct f71882fg_sio_data sio_data;
2667 
2668 	memset(&sio_data, 0, sizeof(sio_data));
2669 
2670 	address = f71882fg_find(0x2e, &sio_data);
2671 	if (address < 0)
2672 		address = f71882fg_find(0x4e, &sio_data);
2673 	if (address < 0)
2674 		return address;
2675 
2676 	err = platform_driver_register(&f71882fg_driver);
2677 	if (err)
2678 		return err;
2679 
2680 	err = f71882fg_device_add(address, &sio_data);
2681 	if (err)
2682 		goto exit_driver;
2683 
2684 	return 0;
2685 
2686 exit_driver:
2687 	platform_driver_unregister(&f71882fg_driver);
2688 	return err;
2689 }
2690 
2691 static void __exit f71882fg_exit(void)
2692 {
2693 	platform_device_unregister(f71882fg_pdev);
2694 	platform_driver_unregister(&f71882fg_driver);
2695 }
2696 
2697 MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
2698 MODULE_AUTHOR("Hans Edgington, Hans de Goede <hdegoede@redhat.com>");
2699 MODULE_LICENSE("GPL");
2700 
2701 module_init(f71882fg_init);
2702 module_exit(f71882fg_exit);
2703