xref: /linux/drivers/hwmon/w83627hf.c (revision d524dac9279b6a41ffdf7ff7958c577f2e387db6)
1 /*
2     w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
3                 monitoring
4     Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
5     Philip Edelbrock <phil@netroedge.com>,
6     and Mark Studebaker <mdsxyz123@yahoo.com>
7     Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
8     Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
9 
10     This program is free software; you can redistribute it and/or modify
11     it under the terms of the GNU General Public License as published by
12     the Free Software Foundation; either version 2 of the License, or
13     (at your option) any later version.
14 
15     This program is distributed in the hope that it will be useful,
16     but WITHOUT ANY WARRANTY; without even the implied warranty of
17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     GNU General Public License for more details.
19 
20     You should have received a copy of the GNU General Public License
21     along with this program; if not, write to the Free Software
22     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24 
25 /*
26     Supports following chips:
27 
28     Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
29     w83627hf	9	3	2	3	0x20	0x5ca3	no	yes(LPC)
30     w83627thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
31     w83637hf	7	3	3	3	0x80	0x5ca3	no	yes(LPC)
32     w83687thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
33     w83697hf	8	2	2	2	0x60	0x5ca3	no	yes(LPC)
34 
35     For other winbond chips, and for i2c support in the above chips,
36     use w83781d.c.
37 
38     Note: automatic ("cruise") fan control for 697, 637 & 627thf not
39     supported yet.
40 */
41 
42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
43 
44 #include <linux/module.h>
45 #include <linux/init.h>
46 #include <linux/slab.h>
47 #include <linux/jiffies.h>
48 #include <linux/platform_device.h>
49 #include <linux/hwmon.h>
50 #include <linux/hwmon-sysfs.h>
51 #include <linux/hwmon-vid.h>
52 #include <linux/err.h>
53 #include <linux/mutex.h>
54 #include <linux/ioport.h>
55 #include <linux/acpi.h>
56 #include <linux/io.h>
57 #include "lm75.h"
58 
59 static struct platform_device *pdev;
60 
61 #define DRVNAME "w83627hf"
62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
63 
64 struct w83627hf_sio_data {
65 	enum chips type;
66 	int sioaddr;
67 };
68 
69 static u8 force_i2c = 0x1f;
70 module_param(force_i2c, byte, 0);
71 MODULE_PARM_DESC(force_i2c,
72 		 "Initialize the i2c address of the sensors");
73 
74 static int init = 1;
75 module_param(init, bool, 0);
76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
77 
78 static unsigned short force_id;
79 module_param(force_id, ushort, 0);
80 MODULE_PARM_DESC(force_id, "Override the detected device ID");
81 
82 /* modified from kernel/include/traps.c */
83 #define	DEV	0x07	/* Register: Logical device select */
84 
85 /* logical device numbers for superio_select (below) */
86 #define W83627HF_LD_FDC		0x00
87 #define W83627HF_LD_PRT		0x01
88 #define W83627HF_LD_UART1	0x02
89 #define W83627HF_LD_UART2	0x03
90 #define W83627HF_LD_KBC		0x05
91 #define W83627HF_LD_CIR		0x06 /* w83627hf only */
92 #define W83627HF_LD_GAME	0x07
93 #define W83627HF_LD_MIDI	0x07
94 #define W83627HF_LD_GPIO1	0x07
95 #define W83627HF_LD_GPIO5	0x07 /* w83627thf only */
96 #define W83627HF_LD_GPIO2	0x08
97 #define W83627HF_LD_GPIO3	0x09
98 #define W83627HF_LD_GPIO4	0x09 /* w83627thf only */
99 #define W83627HF_LD_ACPI	0x0a
100 #define W83627HF_LD_HWM		0x0b
101 
102 #define	DEVID	0x20	/* Register: Device ID */
103 
104 #define W83627THF_GPIO5_EN	0x30 /* w83627thf only */
105 #define W83627THF_GPIO5_IOSR	0xf3 /* w83627thf only */
106 #define W83627THF_GPIO5_DR	0xf4 /* w83627thf only */
107 
108 #define W83687THF_VID_EN	0x29 /* w83687thf only */
109 #define W83687THF_VID_CFG	0xF0 /* w83687thf only */
110 #define W83687THF_VID_DATA	0xF1 /* w83687thf only */
111 
112 static inline void
113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
114 {
115 	outb(reg, sio->sioaddr);
116 	outb(val, sio->sioaddr + 1);
117 }
118 
119 static inline int
120 superio_inb(struct w83627hf_sio_data *sio, int reg)
121 {
122 	outb(reg, sio->sioaddr);
123 	return inb(sio->sioaddr + 1);
124 }
125 
126 static inline void
127 superio_select(struct w83627hf_sio_data *sio, int ld)
128 {
129 	outb(DEV, sio->sioaddr);
130 	outb(ld,  sio->sioaddr + 1);
131 }
132 
133 static inline void
134 superio_enter(struct w83627hf_sio_data *sio)
135 {
136 	outb(0x87, sio->sioaddr);
137 	outb(0x87, sio->sioaddr);
138 }
139 
140 static inline void
141 superio_exit(struct w83627hf_sio_data *sio)
142 {
143 	outb(0xAA, sio->sioaddr);
144 }
145 
146 #define W627_DEVID 0x52
147 #define W627THF_DEVID 0x82
148 #define W697_DEVID 0x60
149 #define W637_DEVID 0x70
150 #define W687THF_DEVID 0x85
151 #define WINB_ACT_REG 0x30
152 #define WINB_BASE_REG 0x60
153 /* Constants specified below */
154 
155 /* Alignment of the base address */
156 #define WINB_ALIGNMENT		~7
157 
158 /* Offset & size of I/O region we are interested in */
159 #define WINB_REGION_OFFSET	5
160 #define WINB_REGION_SIZE	2
161 
162 /* Where are the sensors address/data registers relative to the region offset */
163 #define W83781D_ADDR_REG_OFFSET 0
164 #define W83781D_DATA_REG_OFFSET 1
165 
166 /* The W83781D registers */
167 /* The W83782D registers for nr=7,8 are in bank 5 */
168 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
169 					   (0x554 + (((nr) - 7) * 2)))
170 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
171 					   (0x555 + (((nr) - 7) * 2)))
172 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
173 					   (0x550 + (nr) - 7))
174 
175 /* nr:0-2 for fans:1-3 */
176 #define W83627HF_REG_FAN_MIN(nr)	(0x3b + (nr))
177 #define W83627HF_REG_FAN(nr)		(0x28 + (nr))
178 
179 #define W83627HF_REG_TEMP2_CONFIG 0x152
180 #define W83627HF_REG_TEMP3_CONFIG 0x252
181 /* these are zero-based, unlike config constants above */
182 static const u16 w83627hf_reg_temp[]		= { 0x27, 0x150, 0x250 };
183 static const u16 w83627hf_reg_temp_hyst[]	= { 0x3A, 0x153, 0x253 };
184 static const u16 w83627hf_reg_temp_over[]	= { 0x39, 0x155, 0x255 };
185 
186 #define W83781D_REG_BANK 0x4E
187 
188 #define W83781D_REG_CONFIG 0x40
189 #define W83781D_REG_ALARM1 0x459
190 #define W83781D_REG_ALARM2 0x45A
191 #define W83781D_REG_ALARM3 0x45B
192 
193 #define W83781D_REG_BEEP_CONFIG 0x4D
194 #define W83781D_REG_BEEP_INTS1 0x56
195 #define W83781D_REG_BEEP_INTS2 0x57
196 #define W83781D_REG_BEEP_INTS3 0x453
197 
198 #define W83781D_REG_VID_FANDIV 0x47
199 
200 #define W83781D_REG_CHIPID 0x49
201 #define W83781D_REG_WCHIPID 0x58
202 #define W83781D_REG_CHIPMAN 0x4F
203 #define W83781D_REG_PIN 0x4B
204 
205 #define W83781D_REG_VBAT 0x5D
206 
207 #define W83627HF_REG_PWM1 0x5A
208 #define W83627HF_REG_PWM2 0x5B
209 
210 static const u8 W83627THF_REG_PWM_ENABLE[] = {
211 	0x04,		/* FAN 1 mode */
212 	0x04,		/* FAN 2 mode */
213 	0x12,		/* FAN AUX mode */
214 };
215 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
216 
217 #define W83627THF_REG_PWM1		0x01	/* 697HF/637HF/687THF too */
218 #define W83627THF_REG_PWM2		0x03	/* 697HF/637HF/687THF too */
219 #define W83627THF_REG_PWM3		0x11	/* 637HF/687THF too */
220 
221 #define W83627THF_REG_VRM_OVT_CFG 	0x18	/* 637HF/687THF too */
222 
223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
224 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
225                              W83627THF_REG_PWM3 };
226 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
227 				    regpwm_627hf[nr] : regpwm[nr])
228 
229 #define W83627HF_REG_PWM_FREQ		0x5C	/* Only for the 627HF */
230 
231 #define W83637HF_REG_PWM_FREQ1		0x00	/* 697HF/687THF too */
232 #define W83637HF_REG_PWM_FREQ2		0x02	/* 697HF/687THF too */
233 #define W83637HF_REG_PWM_FREQ3		0x10	/* 687THF too */
234 
235 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
236 					W83637HF_REG_PWM_FREQ2,
237 					W83637HF_REG_PWM_FREQ3 };
238 
239 #define W83627HF_BASE_PWM_FREQ	46870
240 
241 #define W83781D_REG_I2C_ADDR 0x48
242 #define W83781D_REG_I2C_SUBADDR 0x4A
243 
244 /* Sensor selection */
245 #define W83781D_REG_SCFG1 0x5D
246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
247 #define W83781D_REG_SCFG2 0x59
248 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
249 #define W83781D_DEFAULT_BETA 3435
250 
251 /* Conversions. Limit checking is only done on the TO_REG
252    variants. Note that you should be a bit careful with which arguments
253    these macros are called: arguments may be evaluated more than once.
254    Fixing this is just not worth it. */
255 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
256 #define IN_FROM_REG(val) ((val) * 16)
257 
258 static inline u8 FAN_TO_REG(long rpm, int div)
259 {
260 	if (rpm == 0)
261 		return 255;
262 	rpm = SENSORS_LIMIT(rpm, 1, 1000000);
263 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
264 			     254);
265 }
266 
267 #define TEMP_MIN (-128000)
268 #define TEMP_MAX ( 127000)
269 
270 /* TEMP: 0.001C/bit (-128C to +127C)
271    REG: 1C/bit, two's complement */
272 static u8 TEMP_TO_REG(long temp)
273 {
274         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
275         ntemp += (ntemp<0 ? -500 : 500);
276         return (u8)(ntemp / 1000);
277 }
278 
279 static int TEMP_FROM_REG(u8 reg)
280 {
281         return (s8)reg * 1000;
282 }
283 
284 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
285 
286 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
287 
288 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
289 {
290 	unsigned long freq;
291 	freq = W83627HF_BASE_PWM_FREQ >> reg;
292 	return freq;
293 }
294 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
295 {
296 	u8 i;
297 	/* Only 5 dividers (1 2 4 8 16)
298 	   Search for the nearest available frequency */
299 	for (i = 0; i < 4; i++) {
300 		if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
301 			    (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
302 			break;
303 	}
304 	return i;
305 }
306 
307 static inline unsigned long pwm_freq_from_reg(u8 reg)
308 {
309 	/* Clock bit 8 -> 180 kHz or 24 MHz */
310 	unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
311 
312 	reg &= 0x7f;
313 	/* This should not happen but anyway... */
314 	if (reg == 0)
315 		reg++;
316 	return (clock / (reg << 8));
317 }
318 static inline u8 pwm_freq_to_reg(unsigned long val)
319 {
320 	/* Minimum divider value is 0x01 and maximum is 0x7F */
321 	if (val >= 93750)	/* The highest we can do */
322 		return 0x01;
323 	if (val >= 720)	/* Use 24 MHz clock */
324 		return (24000000UL / (val << 8));
325 	if (val < 6)		/* The lowest we can do */
326 		return 0xFF;
327 	else			/* Use 180 kHz clock */
328 		return (0x80 | (180000UL / (val << 8)));
329 }
330 
331 #define BEEP_MASK_FROM_REG(val)		((val) & 0xff7fff)
332 #define BEEP_MASK_TO_REG(val)		((val) & 0xff7fff)
333 
334 #define DIV_FROM_REG(val) (1 << (val))
335 
336 static inline u8 DIV_TO_REG(long val)
337 {
338 	int i;
339 	val = SENSORS_LIMIT(val, 1, 128) >> 1;
340 	for (i = 0; i < 7; i++) {
341 		if (val == 0)
342 			break;
343 		val >>= 1;
344 	}
345 	return ((u8) i);
346 }
347 
348 /* For each registered chip, we need to keep some data in memory.
349    The structure is dynamically allocated. */
350 struct w83627hf_data {
351 	unsigned short addr;
352 	const char *name;
353 	struct device *hwmon_dev;
354 	struct mutex lock;
355 	enum chips type;
356 
357 	struct mutex update_lock;
358 	char valid;		/* !=0 if following fields are valid */
359 	unsigned long last_updated;	/* In jiffies */
360 
361 	u8 in[9];		/* Register value */
362 	u8 in_max[9];		/* Register value */
363 	u8 in_min[9];		/* Register value */
364 	u8 fan[3];		/* Register value */
365 	u8 fan_min[3];		/* Register value */
366 	u16 temp[3];		/* Register value */
367 	u16 temp_max[3];	/* Register value */
368 	u16 temp_max_hyst[3];	/* Register value */
369 	u8 fan_div[3];		/* Register encoding, shifted right */
370 	u8 vid;			/* Register encoding, combined */
371 	u32 alarms;		/* Register encoding, combined */
372 	u32 beep_mask;		/* Register encoding, combined */
373 	u8 pwm[3];		/* Register value */
374 	u8 pwm_enable[3];	/* 1 = manual
375 				   2 = thermal cruise (also called SmartFan I)
376 				   3 = fan speed cruise */
377 	u8 pwm_freq[3];		/* Register value */
378 	u16 sens[3];		/* 1 = pentium diode; 2 = 3904 diode;
379 				   4 = thermistor */
380 	u8 vrm;
381 	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
382 };
383 
384 
385 static int w83627hf_probe(struct platform_device *pdev);
386 static int __devexit w83627hf_remove(struct platform_device *pdev);
387 
388 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
389 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
390 static void w83627hf_update_fan_div(struct w83627hf_data *data);
391 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
392 static void w83627hf_init_device(struct platform_device *pdev);
393 
394 static struct platform_driver w83627hf_driver = {
395 	.driver = {
396 		.owner	= THIS_MODULE,
397 		.name	= DRVNAME,
398 	},
399 	.probe		= w83627hf_probe,
400 	.remove		= __devexit_p(w83627hf_remove),
401 };
402 
403 static ssize_t
404 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
405 {
406 	int nr = to_sensor_dev_attr(devattr)->index;
407 	struct w83627hf_data *data = w83627hf_update_device(dev);
408 	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
409 }
410 static ssize_t
411 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
412 {
413 	int nr = to_sensor_dev_attr(devattr)->index;
414 	struct w83627hf_data *data = w83627hf_update_device(dev);
415 	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
416 }
417 static ssize_t
418 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
419 {
420 	int nr = to_sensor_dev_attr(devattr)->index;
421 	struct w83627hf_data *data = w83627hf_update_device(dev);
422 	return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
423 }
424 static ssize_t
425 store_in_min(struct device *dev, struct device_attribute *devattr,
426 	     const char *buf, size_t count)
427 {
428 	int nr = to_sensor_dev_attr(devattr)->index;
429 	struct w83627hf_data *data = dev_get_drvdata(dev);
430 	long val = simple_strtol(buf, NULL, 10);
431 
432 	mutex_lock(&data->update_lock);
433 	data->in_min[nr] = IN_TO_REG(val);
434 	w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
435 	mutex_unlock(&data->update_lock);
436 	return count;
437 }
438 static ssize_t
439 store_in_max(struct device *dev, struct device_attribute *devattr,
440 	     const char *buf, size_t count)
441 {
442 	int nr = to_sensor_dev_attr(devattr)->index;
443 	struct w83627hf_data *data = dev_get_drvdata(dev);
444 	long val = simple_strtol(buf, NULL, 10);
445 
446 	mutex_lock(&data->update_lock);
447 	data->in_max[nr] = IN_TO_REG(val);
448 	w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
449 	mutex_unlock(&data->update_lock);
450 	return count;
451 }
452 #define sysfs_vin_decl(offset) \
453 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
454 			  show_in_input, NULL, offset);		\
455 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,	\
456 			  show_in_min, store_in_min, offset);	\
457 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,	\
458 			  show_in_max, store_in_max, offset);
459 
460 sysfs_vin_decl(1);
461 sysfs_vin_decl(2);
462 sysfs_vin_decl(3);
463 sysfs_vin_decl(4);
464 sysfs_vin_decl(5);
465 sysfs_vin_decl(6);
466 sysfs_vin_decl(7);
467 sysfs_vin_decl(8);
468 
469 /* use a different set of functions for in0 */
470 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
471 {
472 	long in0;
473 
474 	if ((data->vrm_ovt & 0x01) &&
475 		(w83627thf == data->type || w83637hf == data->type
476 		 || w83687thf == data->type))
477 
478 		/* use VRM9 calculation */
479 		in0 = (long)((reg * 488 + 70000 + 50) / 100);
480 	else
481 		/* use VRM8 (standard) calculation */
482 		in0 = (long)IN_FROM_REG(reg);
483 
484 	return sprintf(buf,"%ld\n", in0);
485 }
486 
487 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
488 {
489 	struct w83627hf_data *data = w83627hf_update_device(dev);
490 	return show_in_0(data, buf, data->in[0]);
491 }
492 
493 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
494 {
495 	struct w83627hf_data *data = w83627hf_update_device(dev);
496 	return show_in_0(data, buf, data->in_min[0]);
497 }
498 
499 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
500 {
501 	struct w83627hf_data *data = w83627hf_update_device(dev);
502 	return show_in_0(data, buf, data->in_max[0]);
503 }
504 
505 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
506 	const char *buf, size_t count)
507 {
508 	struct w83627hf_data *data = dev_get_drvdata(dev);
509 	u32 val;
510 
511 	val = simple_strtoul(buf, NULL, 10);
512 
513 	mutex_lock(&data->update_lock);
514 
515 	if ((data->vrm_ovt & 0x01) &&
516 		(w83627thf == data->type || w83637hf == data->type
517 		 || w83687thf == data->type))
518 
519 		/* use VRM9 calculation */
520 		data->in_min[0] =
521 			SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
522 					255);
523 	else
524 		/* use VRM8 (standard) calculation */
525 		data->in_min[0] = IN_TO_REG(val);
526 
527 	w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
528 	mutex_unlock(&data->update_lock);
529 	return count;
530 }
531 
532 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
533 	const char *buf, size_t count)
534 {
535 	struct w83627hf_data *data = dev_get_drvdata(dev);
536 	u32 val;
537 
538 	val = simple_strtoul(buf, NULL, 10);
539 
540 	mutex_lock(&data->update_lock);
541 
542 	if ((data->vrm_ovt & 0x01) &&
543 		(w83627thf == data->type || w83637hf == data->type
544 		 || w83687thf == data->type))
545 
546 		/* use VRM9 calculation */
547 		data->in_max[0] =
548 			SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
549 					255);
550 	else
551 		/* use VRM8 (standard) calculation */
552 		data->in_max[0] = IN_TO_REG(val);
553 
554 	w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
555 	mutex_unlock(&data->update_lock);
556 	return count;
557 }
558 
559 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
560 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
561 	show_regs_in_min0, store_regs_in_min0);
562 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
563 	show_regs_in_max0, store_regs_in_max0);
564 
565 static ssize_t
566 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
567 {
568 	int nr = to_sensor_dev_attr(devattr)->index;
569 	struct w83627hf_data *data = w83627hf_update_device(dev);
570 	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
571 				(long)DIV_FROM_REG(data->fan_div[nr])));
572 }
573 static ssize_t
574 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
575 {
576 	int nr = to_sensor_dev_attr(devattr)->index;
577 	struct w83627hf_data *data = w83627hf_update_device(dev);
578 	return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
579 				(long)DIV_FROM_REG(data->fan_div[nr])));
580 }
581 static ssize_t
582 store_fan_min(struct device *dev, struct device_attribute *devattr,
583 	      const char *buf, size_t count)
584 {
585 	int nr = to_sensor_dev_attr(devattr)->index;
586 	struct w83627hf_data *data = dev_get_drvdata(dev);
587 	u32 val = simple_strtoul(buf, NULL, 10);
588 
589 	mutex_lock(&data->update_lock);
590 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
591 	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
592 			     data->fan_min[nr]);
593 
594 	mutex_unlock(&data->update_lock);
595 	return count;
596 }
597 #define sysfs_fan_decl(offset)	\
598 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,			\
599 			  show_fan_input, NULL, offset - 1);		\
600 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,		\
601 			  show_fan_min, store_fan_min, offset - 1);
602 
603 sysfs_fan_decl(1);
604 sysfs_fan_decl(2);
605 sysfs_fan_decl(3);
606 
607 static ssize_t
608 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
609 {
610 	int nr = to_sensor_dev_attr(devattr)->index;
611 	struct w83627hf_data *data = w83627hf_update_device(dev);
612 
613 	u16 tmp = data->temp[nr];
614 	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
615 					  : (long) TEMP_FROM_REG(tmp));
616 }
617 
618 static ssize_t
619 show_temp_max(struct device *dev, struct device_attribute *devattr,
620 	      char *buf)
621 {
622 	int nr = to_sensor_dev_attr(devattr)->index;
623 	struct w83627hf_data *data = w83627hf_update_device(dev);
624 
625 	u16 tmp = data->temp_max[nr];
626 	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
627 					  : (long) TEMP_FROM_REG(tmp));
628 }
629 
630 static ssize_t
631 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
632 		   char *buf)
633 {
634 	int nr = to_sensor_dev_attr(devattr)->index;
635 	struct w83627hf_data *data = w83627hf_update_device(dev);
636 
637 	u16 tmp = data->temp_max_hyst[nr];
638 	return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
639 					  : (long) TEMP_FROM_REG(tmp));
640 }
641 
642 static ssize_t
643 store_temp_max(struct device *dev, struct device_attribute *devattr,
644 	       const char *buf, size_t count)
645 {
646 	int nr = to_sensor_dev_attr(devattr)->index;
647 	struct w83627hf_data *data = dev_get_drvdata(dev);
648 	long val = simple_strtol(buf, NULL, 10);
649 	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
650 
651 	mutex_lock(&data->update_lock);
652 	data->temp_max[nr] = tmp;
653 	w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
654 	mutex_unlock(&data->update_lock);
655 	return count;
656 }
657 
658 static ssize_t
659 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
660 		    const char *buf, size_t count)
661 {
662 	int nr = to_sensor_dev_attr(devattr)->index;
663 	struct w83627hf_data *data = dev_get_drvdata(dev);
664 	long val = simple_strtol(buf, NULL, 10);
665 	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
666 
667 	mutex_lock(&data->update_lock);
668 	data->temp_max_hyst[nr] = tmp;
669 	w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
670 	mutex_unlock(&data->update_lock);
671 	return count;
672 }
673 
674 #define sysfs_temp_decl(offset) \
675 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,		\
676 			  show_temp, NULL, offset - 1);			\
677 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,	 	\
678 			  show_temp_max, store_temp_max, offset - 1);	\
679 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,	\
680 			  show_temp_max_hyst, store_temp_max_hyst, offset - 1);
681 
682 sysfs_temp_decl(1);
683 sysfs_temp_decl(2);
684 sysfs_temp_decl(3);
685 
686 static ssize_t
687 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
688 {
689 	struct w83627hf_data *data = w83627hf_update_device(dev);
690 	return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
691 }
692 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
693 
694 static ssize_t
695 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
696 {
697 	struct w83627hf_data *data = dev_get_drvdata(dev);
698 	return sprintf(buf, "%ld\n", (long) data->vrm);
699 }
700 static ssize_t
701 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
702 {
703 	struct w83627hf_data *data = dev_get_drvdata(dev);
704 	u32 val;
705 
706 	val = simple_strtoul(buf, NULL, 10);
707 	data->vrm = val;
708 
709 	return count;
710 }
711 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
712 
713 static ssize_t
714 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
715 {
716 	struct w83627hf_data *data = w83627hf_update_device(dev);
717 	return sprintf(buf, "%ld\n", (long) data->alarms);
718 }
719 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
720 
721 static ssize_t
722 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
723 {
724 	struct w83627hf_data *data = w83627hf_update_device(dev);
725 	int bitnr = to_sensor_dev_attr(attr)->index;
726 	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
727 }
728 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
729 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
730 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
731 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
732 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
733 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
734 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
735 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
736 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
737 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
738 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
739 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
740 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
741 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
742 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
743 
744 static ssize_t
745 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
746 {
747 	struct w83627hf_data *data = w83627hf_update_device(dev);
748 	return sprintf(buf, "%ld\n",
749 		      (long)BEEP_MASK_FROM_REG(data->beep_mask));
750 }
751 
752 static ssize_t
753 store_beep_mask(struct device *dev, struct device_attribute *attr,
754 		const char *buf, size_t count)
755 {
756 	struct w83627hf_data *data = dev_get_drvdata(dev);
757 	unsigned long val;
758 
759 	val = simple_strtoul(buf, NULL, 10);
760 
761 	mutex_lock(&data->update_lock);
762 
763 	/* preserve beep enable */
764 	data->beep_mask = (data->beep_mask & 0x8000)
765 			| BEEP_MASK_TO_REG(val);
766 	w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
767 			    data->beep_mask & 0xff);
768 	w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
769 			    ((data->beep_mask) >> 16) & 0xff);
770 	w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
771 			    (data->beep_mask >> 8) & 0xff);
772 
773 	mutex_unlock(&data->update_lock);
774 	return count;
775 }
776 
777 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
778 		   show_beep_mask, store_beep_mask);
779 
780 static ssize_t
781 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
782 {
783 	struct w83627hf_data *data = w83627hf_update_device(dev);
784 	int bitnr = to_sensor_dev_attr(attr)->index;
785 	return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
786 }
787 
788 static ssize_t
789 store_beep(struct device *dev, struct device_attribute *attr,
790 		const char *buf, size_t count)
791 {
792 	struct w83627hf_data *data = dev_get_drvdata(dev);
793 	int bitnr = to_sensor_dev_attr(attr)->index;
794 	unsigned long bit;
795 	u8 reg;
796 
797 	bit = simple_strtoul(buf, NULL, 10);
798 	if (bit & ~1)
799 		return -EINVAL;
800 
801 	mutex_lock(&data->update_lock);
802 	if (bit)
803 		data->beep_mask |= (1 << bitnr);
804 	else
805 		data->beep_mask &= ~(1 << bitnr);
806 
807 	if (bitnr < 8) {
808 		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
809 		if (bit)
810 			reg |= (1 << bitnr);
811 		else
812 			reg &= ~(1 << bitnr);
813 		w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
814 	} else if (bitnr < 16) {
815 		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
816 		if (bit)
817 			reg |= (1 << (bitnr - 8));
818 		else
819 			reg &= ~(1 << (bitnr - 8));
820 		w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
821 	} else {
822 		reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
823 		if (bit)
824 			reg |= (1 << (bitnr - 16));
825 		else
826 			reg &= ~(1 << (bitnr - 16));
827 		w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
828 	}
829 	mutex_unlock(&data->update_lock);
830 
831 	return count;
832 }
833 
834 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
835 			show_beep, store_beep, 0);
836 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
837 			show_beep, store_beep, 1);
838 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
839 			show_beep, store_beep, 2);
840 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
841 			show_beep, store_beep, 3);
842 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
843 			show_beep, store_beep, 8);
844 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
845 			show_beep, store_beep, 9);
846 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
847 			show_beep, store_beep, 10);
848 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
849 			show_beep, store_beep, 16);
850 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
851 			show_beep, store_beep, 17);
852 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
853 			show_beep, store_beep, 6);
854 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
855 			show_beep, store_beep, 7);
856 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
857 			show_beep, store_beep, 11);
858 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
859 			show_beep, store_beep, 4);
860 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
861 			show_beep, store_beep, 5);
862 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
863 			show_beep, store_beep, 13);
864 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
865 			show_beep, store_beep, 15);
866 
867 static ssize_t
868 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
869 {
870 	int nr = to_sensor_dev_attr(devattr)->index;
871 	struct w83627hf_data *data = w83627hf_update_device(dev);
872 	return sprintf(buf, "%ld\n",
873 		       (long) DIV_FROM_REG(data->fan_div[nr]));
874 }
875 /* Note: we save and restore the fan minimum here, because its value is
876    determined in part by the fan divisor.  This follows the principle of
877    least surprise; the user doesn't expect the fan minimum to change just
878    because the divisor changed. */
879 static ssize_t
880 store_fan_div(struct device *dev, struct device_attribute *devattr,
881 	      const char *buf, size_t count)
882 {
883 	int nr = to_sensor_dev_attr(devattr)->index;
884 	struct w83627hf_data *data = dev_get_drvdata(dev);
885 	unsigned long min;
886 	u8 reg;
887 	unsigned long val = simple_strtoul(buf, NULL, 10);
888 
889 	mutex_lock(&data->update_lock);
890 
891 	/* Save fan_min */
892 	min = FAN_FROM_REG(data->fan_min[nr],
893 			   DIV_FROM_REG(data->fan_div[nr]));
894 
895 	data->fan_div[nr] = DIV_TO_REG(val);
896 
897 	reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
898 	       & (nr==0 ? 0xcf : 0x3f))
899 	    | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
900 	w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
901 
902 	reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
903 	       & ~(1 << (5 + nr)))
904 	    | ((data->fan_div[nr] & 0x04) << (3 + nr));
905 	w83627hf_write_value(data, W83781D_REG_VBAT, reg);
906 
907 	/* Restore fan_min */
908 	data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
909 	w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
910 
911 	mutex_unlock(&data->update_lock);
912 	return count;
913 }
914 
915 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
916 			  show_fan_div, store_fan_div, 0);
917 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
918 			  show_fan_div, store_fan_div, 1);
919 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
920 			  show_fan_div, store_fan_div, 2);
921 
922 static ssize_t
923 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
924 {
925 	int nr = to_sensor_dev_attr(devattr)->index;
926 	struct w83627hf_data *data = w83627hf_update_device(dev);
927 	return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
928 }
929 
930 static ssize_t
931 store_pwm(struct device *dev, struct device_attribute *devattr,
932 	  const char *buf, size_t count)
933 {
934 	int nr = to_sensor_dev_attr(devattr)->index;
935 	struct w83627hf_data *data = dev_get_drvdata(dev);
936 	u32 val = simple_strtoul(buf, NULL, 10);
937 
938 	mutex_lock(&data->update_lock);
939 
940 	if (data->type == w83627thf) {
941 		/* bits 0-3 are reserved  in 627THF */
942 		data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
943 		w83627hf_write_value(data,
944 				     W836X7HF_REG_PWM(data->type, nr),
945 				     data->pwm[nr] |
946 				     (w83627hf_read_value(data,
947 				     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
948 	} else {
949 		data->pwm[nr] = PWM_TO_REG(val);
950 		w83627hf_write_value(data,
951 				     W836X7HF_REG_PWM(data->type, nr),
952 				     data->pwm[nr]);
953 	}
954 
955 	mutex_unlock(&data->update_lock);
956 	return count;
957 }
958 
959 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
960 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
961 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
962 
963 static ssize_t
964 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
965 {
966 	int nr = to_sensor_dev_attr(devattr)->index;
967 	struct w83627hf_data *data = w83627hf_update_device(dev);
968 	return sprintf(buf, "%d\n", data->pwm_enable[nr]);
969 }
970 
971 static ssize_t
972 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
973 	  const char *buf, size_t count)
974 {
975 	int nr = to_sensor_dev_attr(devattr)->index;
976 	struct w83627hf_data *data = dev_get_drvdata(dev);
977 	unsigned long val = simple_strtoul(buf, NULL, 10);
978 	u8 reg;
979 
980 	if (!val || (val > 3))	/* modes 1, 2 and 3 are supported */
981 		return -EINVAL;
982 	mutex_lock(&data->update_lock);
983 	data->pwm_enable[nr] = val;
984 	reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
985 	reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
986 	reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
987 	w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
988 	mutex_unlock(&data->update_lock);
989 	return count;
990 }
991 
992 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
993 						  store_pwm_enable, 0);
994 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
995 						  store_pwm_enable, 1);
996 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
997 						  store_pwm_enable, 2);
998 
999 static ssize_t
1000 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1001 {
1002 	int nr = to_sensor_dev_attr(devattr)->index;
1003 	struct w83627hf_data *data = w83627hf_update_device(dev);
1004 	if (data->type == w83627hf)
1005 		return sprintf(buf, "%ld\n",
1006 			pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1007 	else
1008 		return sprintf(buf, "%ld\n",
1009 			pwm_freq_from_reg(data->pwm_freq[nr]));
1010 }
1011 
1012 static ssize_t
1013 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1014 	       const char *buf, size_t count)
1015 {
1016 	int nr = to_sensor_dev_attr(devattr)->index;
1017 	struct w83627hf_data *data = dev_get_drvdata(dev);
1018 	static const u8 mask[]={0xF8, 0x8F};
1019 	u32 val;
1020 
1021 	val = simple_strtoul(buf, NULL, 10);
1022 
1023 	mutex_lock(&data->update_lock);
1024 
1025 	if (data->type == w83627hf) {
1026 		data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1027 		w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1028 				(data->pwm_freq[nr] << (nr*4)) |
1029 				(w83627hf_read_value(data,
1030 				W83627HF_REG_PWM_FREQ) & mask[nr]));
1031 	} else {
1032 		data->pwm_freq[nr] = pwm_freq_to_reg(val);
1033 		w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1034 				data->pwm_freq[nr]);
1035 	}
1036 
1037 	mutex_unlock(&data->update_lock);
1038 	return count;
1039 }
1040 
1041 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1042 			  show_pwm_freq, store_pwm_freq, 0);
1043 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1044 			  show_pwm_freq, store_pwm_freq, 1);
1045 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1046 			  show_pwm_freq, store_pwm_freq, 2);
1047 
1048 static ssize_t
1049 show_temp_type(struct device *dev, struct device_attribute *devattr,
1050 	       char *buf)
1051 {
1052 	int nr = to_sensor_dev_attr(devattr)->index;
1053 	struct w83627hf_data *data = w83627hf_update_device(dev);
1054 	return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1055 }
1056 
1057 static ssize_t
1058 store_temp_type(struct device *dev, struct device_attribute *devattr,
1059 		const char *buf, size_t count)
1060 {
1061 	int nr = to_sensor_dev_attr(devattr)->index;
1062 	struct w83627hf_data *data = dev_get_drvdata(dev);
1063 	u32 val, tmp;
1064 
1065 	val = simple_strtoul(buf, NULL, 10);
1066 
1067 	mutex_lock(&data->update_lock);
1068 
1069 	switch (val) {
1070 	case 1:		/* PII/Celeron diode */
1071 		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1072 		w83627hf_write_value(data, W83781D_REG_SCFG1,
1073 				    tmp | BIT_SCFG1[nr]);
1074 		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1075 		w83627hf_write_value(data, W83781D_REG_SCFG2,
1076 				    tmp | BIT_SCFG2[nr]);
1077 		data->sens[nr] = val;
1078 		break;
1079 	case 2:		/* 3904 */
1080 		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1081 		w83627hf_write_value(data, W83781D_REG_SCFG1,
1082 				    tmp | BIT_SCFG1[nr]);
1083 		tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1084 		w83627hf_write_value(data, W83781D_REG_SCFG2,
1085 				    tmp & ~BIT_SCFG2[nr]);
1086 		data->sens[nr] = val;
1087 		break;
1088 	case W83781D_DEFAULT_BETA:
1089 		dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1090 			 "instead\n", W83781D_DEFAULT_BETA);
1091 		/* fall through */
1092 	case 4:		/* thermistor */
1093 		tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1094 		w83627hf_write_value(data, W83781D_REG_SCFG1,
1095 				    tmp & ~BIT_SCFG1[nr]);
1096 		data->sens[nr] = val;
1097 		break;
1098 	default:
1099 		dev_err(dev,
1100 		       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1101 		       (long) val);
1102 		break;
1103 	}
1104 
1105 	mutex_unlock(&data->update_lock);
1106 	return count;
1107 }
1108 
1109 #define sysfs_temp_type(offset) \
1110 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1111 			  show_temp_type, store_temp_type, offset - 1);
1112 
1113 sysfs_temp_type(1);
1114 sysfs_temp_type(2);
1115 sysfs_temp_type(3);
1116 
1117 static ssize_t
1118 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1119 {
1120 	struct w83627hf_data *data = dev_get_drvdata(dev);
1121 
1122 	return sprintf(buf, "%s\n", data->name);
1123 }
1124 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1125 
1126 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1127 				struct w83627hf_sio_data *sio_data)
1128 {
1129 	int err = -ENODEV;
1130 	u16 val;
1131 
1132 	static const __initdata char *names[] = {
1133 		"W83627HF",
1134 		"W83627THF",
1135 		"W83697HF",
1136 		"W83637HF",
1137 		"W83687THF",
1138 	};
1139 
1140 	sio_data->sioaddr = sioaddr;
1141 	superio_enter(sio_data);
1142 	val = force_id ? force_id : superio_inb(sio_data, DEVID);
1143 	switch (val) {
1144 	case W627_DEVID:
1145 		sio_data->type = w83627hf;
1146 		break;
1147 	case W627THF_DEVID:
1148 		sio_data->type = w83627thf;
1149 		break;
1150 	case W697_DEVID:
1151 		sio_data->type = w83697hf;
1152 		break;
1153 	case W637_DEVID:
1154 		sio_data->type = w83637hf;
1155 		break;
1156 	case W687THF_DEVID:
1157 		sio_data->type = w83687thf;
1158 		break;
1159 	case 0xff:	/* No device at all */
1160 		goto exit;
1161 	default:
1162 		pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1163 		goto exit;
1164 	}
1165 
1166 	superio_select(sio_data, W83627HF_LD_HWM);
1167 	val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1168 	       superio_inb(sio_data, WINB_BASE_REG + 1);
1169 	*addr = val & WINB_ALIGNMENT;
1170 	if (*addr == 0) {
1171 		pr_warn("Base address not set, skipping\n");
1172 		goto exit;
1173 	}
1174 
1175 	val = superio_inb(sio_data, WINB_ACT_REG);
1176 	if (!(val & 0x01)) {
1177 		pr_warn("Enabling HWM logical device\n");
1178 		superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1179 	}
1180 
1181 	err = 0;
1182 	pr_info(DRVNAME ": Found %s chip at %#x\n",
1183 		names[sio_data->type], *addr);
1184 
1185  exit:
1186 	superio_exit(sio_data);
1187 	return err;
1188 }
1189 
1190 #define VIN_UNIT_ATTRS(_X_)	\
1191 	&sensor_dev_attr_in##_X_##_input.dev_attr.attr,		\
1192 	&sensor_dev_attr_in##_X_##_min.dev_attr.attr,		\
1193 	&sensor_dev_attr_in##_X_##_max.dev_attr.attr,		\
1194 	&sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,		\
1195 	&sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1196 
1197 #define FAN_UNIT_ATTRS(_X_)	\
1198 	&sensor_dev_attr_fan##_X_##_input.dev_attr.attr,	\
1199 	&sensor_dev_attr_fan##_X_##_min.dev_attr.attr,		\
1200 	&sensor_dev_attr_fan##_X_##_div.dev_attr.attr,		\
1201 	&sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,	\
1202 	&sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1203 
1204 #define TEMP_UNIT_ATTRS(_X_)	\
1205 	&sensor_dev_attr_temp##_X_##_input.dev_attr.attr,	\
1206 	&sensor_dev_attr_temp##_X_##_max.dev_attr.attr,		\
1207 	&sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,	\
1208 	&sensor_dev_attr_temp##_X_##_type.dev_attr.attr,	\
1209 	&sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,	\
1210 	&sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1211 
1212 static struct attribute *w83627hf_attributes[] = {
1213 	&dev_attr_in0_input.attr,
1214 	&dev_attr_in0_min.attr,
1215 	&dev_attr_in0_max.attr,
1216 	&sensor_dev_attr_in0_alarm.dev_attr.attr,
1217 	&sensor_dev_attr_in0_beep.dev_attr.attr,
1218 	VIN_UNIT_ATTRS(2),
1219 	VIN_UNIT_ATTRS(3),
1220 	VIN_UNIT_ATTRS(4),
1221 	VIN_UNIT_ATTRS(7),
1222 	VIN_UNIT_ATTRS(8),
1223 
1224 	FAN_UNIT_ATTRS(1),
1225 	FAN_UNIT_ATTRS(2),
1226 
1227 	TEMP_UNIT_ATTRS(1),
1228 	TEMP_UNIT_ATTRS(2),
1229 
1230 	&dev_attr_alarms.attr,
1231 	&sensor_dev_attr_beep_enable.dev_attr.attr,
1232 	&dev_attr_beep_mask.attr,
1233 
1234 	&sensor_dev_attr_pwm1.dev_attr.attr,
1235 	&sensor_dev_attr_pwm2.dev_attr.attr,
1236 	&dev_attr_name.attr,
1237 	NULL
1238 };
1239 
1240 static const struct attribute_group w83627hf_group = {
1241 	.attrs = w83627hf_attributes,
1242 };
1243 
1244 static struct attribute *w83627hf_attributes_opt[] = {
1245 	VIN_UNIT_ATTRS(1),
1246 	VIN_UNIT_ATTRS(5),
1247 	VIN_UNIT_ATTRS(6),
1248 
1249 	FAN_UNIT_ATTRS(3),
1250 	TEMP_UNIT_ATTRS(3),
1251 	&sensor_dev_attr_pwm3.dev_attr.attr,
1252 
1253 	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
1254 	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
1255 	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
1256 
1257 	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
1258 	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
1259 	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
1260 
1261 	NULL
1262 };
1263 
1264 static const struct attribute_group w83627hf_group_opt = {
1265 	.attrs = w83627hf_attributes_opt,
1266 };
1267 
1268 static int __devinit w83627hf_probe(struct platform_device *pdev)
1269 {
1270 	struct device *dev = &pdev->dev;
1271 	struct w83627hf_sio_data *sio_data = dev->platform_data;
1272 	struct w83627hf_data *data;
1273 	struct resource *res;
1274 	int err, i;
1275 
1276 	static const char *names[] = {
1277 		"w83627hf",
1278 		"w83627thf",
1279 		"w83697hf",
1280 		"w83637hf",
1281 		"w83687thf",
1282 	};
1283 
1284 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1285 	if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1286 		dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1287 			(unsigned long)res->start,
1288 			(unsigned long)(res->start + WINB_REGION_SIZE - 1));
1289 		err = -EBUSY;
1290 		goto ERROR0;
1291 	}
1292 
1293 	if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1294 		err = -ENOMEM;
1295 		goto ERROR1;
1296 	}
1297 	data->addr = res->start;
1298 	data->type = sio_data->type;
1299 	data->name = names[sio_data->type];
1300 	mutex_init(&data->lock);
1301 	mutex_init(&data->update_lock);
1302 	platform_set_drvdata(pdev, data);
1303 
1304 	/* Initialize the chip */
1305 	w83627hf_init_device(pdev);
1306 
1307 	/* A few vars need to be filled upon startup */
1308 	for (i = 0; i <= 2; i++)
1309 		data->fan_min[i] = w83627hf_read_value(
1310 					data, W83627HF_REG_FAN_MIN(i));
1311 	w83627hf_update_fan_div(data);
1312 
1313 	/* Register common device attributes */
1314 	if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1315 		goto ERROR3;
1316 
1317 	/* Register chip-specific device attributes */
1318 	if (data->type == w83627hf || data->type == w83697hf)
1319 		if ((err = device_create_file(dev,
1320 				&sensor_dev_attr_in5_input.dev_attr))
1321 		 || (err = device_create_file(dev,
1322 				&sensor_dev_attr_in5_min.dev_attr))
1323 		 || (err = device_create_file(dev,
1324 				&sensor_dev_attr_in5_max.dev_attr))
1325 		 || (err = device_create_file(dev,
1326 				&sensor_dev_attr_in5_alarm.dev_attr))
1327 		 || (err = device_create_file(dev,
1328 				&sensor_dev_attr_in5_beep.dev_attr))
1329 		 || (err = device_create_file(dev,
1330 				&sensor_dev_attr_in6_input.dev_attr))
1331 		 || (err = device_create_file(dev,
1332 				&sensor_dev_attr_in6_min.dev_attr))
1333 		 || (err = device_create_file(dev,
1334 				&sensor_dev_attr_in6_max.dev_attr))
1335 		 || (err = device_create_file(dev,
1336 				&sensor_dev_attr_in6_alarm.dev_attr))
1337 		 || (err = device_create_file(dev,
1338 				&sensor_dev_attr_in6_beep.dev_attr))
1339 		 || (err = device_create_file(dev,
1340 				&sensor_dev_attr_pwm1_freq.dev_attr))
1341 		 || (err = device_create_file(dev,
1342 				&sensor_dev_attr_pwm2_freq.dev_attr)))
1343 			goto ERROR4;
1344 
1345 	if (data->type != w83697hf)
1346 		if ((err = device_create_file(dev,
1347 				&sensor_dev_attr_in1_input.dev_attr))
1348 		 || (err = device_create_file(dev,
1349 				&sensor_dev_attr_in1_min.dev_attr))
1350 		 || (err = device_create_file(dev,
1351 				&sensor_dev_attr_in1_max.dev_attr))
1352 		 || (err = device_create_file(dev,
1353 				&sensor_dev_attr_in1_alarm.dev_attr))
1354 		 || (err = device_create_file(dev,
1355 				&sensor_dev_attr_in1_beep.dev_attr))
1356 		 || (err = device_create_file(dev,
1357 				&sensor_dev_attr_fan3_input.dev_attr))
1358 		 || (err = device_create_file(dev,
1359 				&sensor_dev_attr_fan3_min.dev_attr))
1360 		 || (err = device_create_file(dev,
1361 				&sensor_dev_attr_fan3_div.dev_attr))
1362 		 || (err = device_create_file(dev,
1363 				&sensor_dev_attr_fan3_alarm.dev_attr))
1364 		 || (err = device_create_file(dev,
1365 				&sensor_dev_attr_fan3_beep.dev_attr))
1366 		 || (err = device_create_file(dev,
1367 				&sensor_dev_attr_temp3_input.dev_attr))
1368 		 || (err = device_create_file(dev,
1369 				&sensor_dev_attr_temp3_max.dev_attr))
1370 		 || (err = device_create_file(dev,
1371 				&sensor_dev_attr_temp3_max_hyst.dev_attr))
1372 		 || (err = device_create_file(dev,
1373 				&sensor_dev_attr_temp3_alarm.dev_attr))
1374 		 || (err = device_create_file(dev,
1375 				&sensor_dev_attr_temp3_beep.dev_attr))
1376 		 || (err = device_create_file(dev,
1377 				&sensor_dev_attr_temp3_type.dev_attr)))
1378 			goto ERROR4;
1379 
1380 	if (data->type != w83697hf && data->vid != 0xff) {
1381 		/* Convert VID to voltage based on VRM */
1382 		data->vrm = vid_which_vrm();
1383 
1384 		if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1385 		 || (err = device_create_file(dev, &dev_attr_vrm)))
1386 			goto ERROR4;
1387 	}
1388 
1389 	if (data->type == w83627thf || data->type == w83637hf
1390 	 || data->type == w83687thf)
1391 		if ((err = device_create_file(dev,
1392 				&sensor_dev_attr_pwm3.dev_attr)))
1393 			goto ERROR4;
1394 
1395 	if (data->type == w83637hf || data->type == w83687thf)
1396 		if ((err = device_create_file(dev,
1397 				&sensor_dev_attr_pwm1_freq.dev_attr))
1398 		 || (err = device_create_file(dev,
1399 				&sensor_dev_attr_pwm2_freq.dev_attr))
1400 		 || (err = device_create_file(dev,
1401 				&sensor_dev_attr_pwm3_freq.dev_attr)))
1402 			goto ERROR4;
1403 
1404 	if (data->type != w83627hf)
1405 		if ((err = device_create_file(dev,
1406 				&sensor_dev_attr_pwm1_enable.dev_attr))
1407 		 || (err = device_create_file(dev,
1408 				&sensor_dev_attr_pwm2_enable.dev_attr)))
1409 			goto ERROR4;
1410 
1411 	if (data->type == w83627thf || data->type == w83637hf
1412 	 || data->type == w83687thf)
1413 		if ((err = device_create_file(dev,
1414 				&sensor_dev_attr_pwm3_enable.dev_attr)))
1415 			goto ERROR4;
1416 
1417 	data->hwmon_dev = hwmon_device_register(dev);
1418 	if (IS_ERR(data->hwmon_dev)) {
1419 		err = PTR_ERR(data->hwmon_dev);
1420 		goto ERROR4;
1421 	}
1422 
1423 	return 0;
1424 
1425       ERROR4:
1426 	sysfs_remove_group(&dev->kobj, &w83627hf_group);
1427 	sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1428       ERROR3:
1429 	platform_set_drvdata(pdev, NULL);
1430 	kfree(data);
1431       ERROR1:
1432 	release_region(res->start, WINB_REGION_SIZE);
1433       ERROR0:
1434 	return err;
1435 }
1436 
1437 static int __devexit w83627hf_remove(struct platform_device *pdev)
1438 {
1439 	struct w83627hf_data *data = platform_get_drvdata(pdev);
1440 	struct resource *res;
1441 
1442 	hwmon_device_unregister(data->hwmon_dev);
1443 
1444 	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1445 	sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1446 	platform_set_drvdata(pdev, NULL);
1447 	kfree(data);
1448 
1449 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1450 	release_region(res->start, WINB_REGION_SIZE);
1451 
1452 	return 0;
1453 }
1454 
1455 
1456 /* Registers 0x50-0x5f are banked */
1457 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1458 {
1459 	if ((reg & 0x00f0) == 0x50) {
1460 		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1461 		outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1462 	}
1463 }
1464 
1465 /* Not strictly necessary, but play it safe for now */
1466 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1467 {
1468 	if (reg & 0xff00) {
1469 		outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1470 		outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1471 	}
1472 }
1473 
1474 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1475 {
1476 	int res, word_sized;
1477 
1478 	mutex_lock(&data->lock);
1479 	word_sized = (((reg & 0xff00) == 0x100)
1480 		   || ((reg & 0xff00) == 0x200))
1481 		  && (((reg & 0x00ff) == 0x50)
1482 		   || ((reg & 0x00ff) == 0x53)
1483 		   || ((reg & 0x00ff) == 0x55));
1484 	w83627hf_set_bank(data, reg);
1485 	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1486 	res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1487 	if (word_sized) {
1488 		outb_p((reg & 0xff) + 1,
1489 		       data->addr + W83781D_ADDR_REG_OFFSET);
1490 		res =
1491 		    (res << 8) + inb_p(data->addr +
1492 				       W83781D_DATA_REG_OFFSET);
1493 	}
1494 	w83627hf_reset_bank(data, reg);
1495 	mutex_unlock(&data->lock);
1496 	return res;
1497 }
1498 
1499 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1500 {
1501 	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1502 	int res = 0xff, sel;
1503 
1504 	superio_enter(sio_data);
1505 	superio_select(sio_data, W83627HF_LD_GPIO5);
1506 
1507 	/* Make sure these GPIO pins are enabled */
1508 	if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1509 		dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1510 		goto exit;
1511 	}
1512 
1513 	/* Make sure the pins are configured for input
1514 	   There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1515 	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1516 	if ((sel & 0x1f) != 0x1f) {
1517 		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1518 			"function\n");
1519 		goto exit;
1520 	}
1521 
1522 	dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1523 	res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1524 
1525 exit:
1526 	superio_exit(sio_data);
1527 	return res;
1528 }
1529 
1530 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1531 {
1532 	struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1533 	int res = 0xff;
1534 
1535 	superio_enter(sio_data);
1536 	superio_select(sio_data, W83627HF_LD_HWM);
1537 
1538 	/* Make sure these GPIO pins are enabled */
1539 	if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1540 		dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1541 		goto exit;
1542 	}
1543 
1544 	/* Make sure the pins are configured for input */
1545 	if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1546 		dev_dbg(&pdev->dev, "VID configured as output, "
1547 			"no VID function\n");
1548 		goto exit;
1549 	}
1550 
1551 	res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1552 
1553 exit:
1554 	superio_exit(sio_data);
1555 	return res;
1556 }
1557 
1558 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1559 {
1560 	int word_sized;
1561 
1562 	mutex_lock(&data->lock);
1563 	word_sized = (((reg & 0xff00) == 0x100)
1564 		   || ((reg & 0xff00) == 0x200))
1565 		  && (((reg & 0x00ff) == 0x53)
1566 		   || ((reg & 0x00ff) == 0x55));
1567 	w83627hf_set_bank(data, reg);
1568 	outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1569 	if (word_sized) {
1570 		outb_p(value >> 8,
1571 		       data->addr + W83781D_DATA_REG_OFFSET);
1572 		outb_p((reg & 0xff) + 1,
1573 		       data->addr + W83781D_ADDR_REG_OFFSET);
1574 	}
1575 	outb_p(value & 0xff,
1576 	       data->addr + W83781D_DATA_REG_OFFSET);
1577 	w83627hf_reset_bank(data, reg);
1578 	mutex_unlock(&data->lock);
1579 	return 0;
1580 }
1581 
1582 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1583 {
1584 	struct w83627hf_data *data = platform_get_drvdata(pdev);
1585 	int i;
1586 	enum chips type = data->type;
1587 	u8 tmp;
1588 
1589 	/* Minimize conflicts with other winbond i2c-only clients...  */
1590 	/* disable i2c subclients... how to disable main i2c client?? */
1591 	/* force i2c address to relatively uncommon address */
1592 	w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1593 	w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1594 
1595 	/* Read VID only once */
1596 	if (type == w83627hf || type == w83637hf) {
1597 		int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1598 		int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1599 		data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1600 	} else if (type == w83627thf) {
1601 		data->vid = w83627thf_read_gpio5(pdev);
1602 	} else if (type == w83687thf) {
1603 		data->vid = w83687thf_read_vid(pdev);
1604 	}
1605 
1606 	/* Read VRM & OVT Config only once */
1607 	if (type == w83627thf || type == w83637hf || type == w83687thf) {
1608 		data->vrm_ovt =
1609 			w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1610 	}
1611 
1612 	tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1613 	for (i = 1; i <= 3; i++) {
1614 		if (!(tmp & BIT_SCFG1[i - 1])) {
1615 			data->sens[i - 1] = 4;
1616 		} else {
1617 			if (w83627hf_read_value
1618 			    (data,
1619 			     W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1620 				data->sens[i - 1] = 1;
1621 			else
1622 				data->sens[i - 1] = 2;
1623 		}
1624 		if ((type == w83697hf) && (i == 2))
1625 			break;
1626 	}
1627 
1628 	if(init) {
1629 		/* Enable temp2 */
1630 		tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1631 		if (tmp & 0x01) {
1632 			dev_warn(&pdev->dev, "Enabling temp2, readings "
1633 				 "might not make sense\n");
1634 			w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1635 				tmp & 0xfe);
1636 		}
1637 
1638 		/* Enable temp3 */
1639 		if (type != w83697hf) {
1640 			tmp = w83627hf_read_value(data,
1641 				W83627HF_REG_TEMP3_CONFIG);
1642 			if (tmp & 0x01) {
1643 				dev_warn(&pdev->dev, "Enabling temp3, "
1644 					 "readings might not make sense\n");
1645 				w83627hf_write_value(data,
1646 					W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1647 			}
1648 		}
1649 	}
1650 
1651 	/* Start monitoring */
1652 	w83627hf_write_value(data, W83781D_REG_CONFIG,
1653 			    (w83627hf_read_value(data,
1654 						W83781D_REG_CONFIG) & 0xf7)
1655 			    | 0x01);
1656 
1657 	/* Enable VBAT monitoring if needed */
1658 	tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1659 	if (!(tmp & 0x01))
1660 		w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1661 }
1662 
1663 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1664 {
1665 	int reg;
1666 
1667 	reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1668 	data->fan_div[0] = (reg >> 4) & 0x03;
1669 	data->fan_div[1] = (reg >> 6) & 0x03;
1670 	if (data->type != w83697hf) {
1671 		data->fan_div[2] = (w83627hf_read_value(data,
1672 				       W83781D_REG_PIN) >> 6) & 0x03;
1673 	}
1674 	reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1675 	data->fan_div[0] |= (reg >> 3) & 0x04;
1676 	data->fan_div[1] |= (reg >> 4) & 0x04;
1677 	if (data->type != w83697hf)
1678 		data->fan_div[2] |= (reg >> 5) & 0x04;
1679 }
1680 
1681 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1682 {
1683 	struct w83627hf_data *data = dev_get_drvdata(dev);
1684 	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1685 	int num_pwms = (data->type == w83697hf) ? 2 : 3;
1686 
1687 	mutex_lock(&data->update_lock);
1688 
1689 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1690 	    || !data->valid) {
1691 		for (i = 0; i <= 8; i++) {
1692 			/* skip missing sensors */
1693 			if (((data->type == w83697hf) && (i == 1)) ||
1694 			    ((data->type != w83627hf && data->type != w83697hf)
1695 			    && (i == 5 || i == 6)))
1696 				continue;
1697 			data->in[i] =
1698 			    w83627hf_read_value(data, W83781D_REG_IN(i));
1699 			data->in_min[i] =
1700 			    w83627hf_read_value(data,
1701 					       W83781D_REG_IN_MIN(i));
1702 			data->in_max[i] =
1703 			    w83627hf_read_value(data,
1704 					       W83781D_REG_IN_MAX(i));
1705 		}
1706 		for (i = 0; i <= 2; i++) {
1707 			data->fan[i] =
1708 			    w83627hf_read_value(data, W83627HF_REG_FAN(i));
1709 			data->fan_min[i] =
1710 			    w83627hf_read_value(data,
1711 					       W83627HF_REG_FAN_MIN(i));
1712 		}
1713 		for (i = 0; i <= 2; i++) {
1714 			u8 tmp = w83627hf_read_value(data,
1715 				W836X7HF_REG_PWM(data->type, i));
1716  			/* bits 0-3 are reserved  in 627THF */
1717  			if (data->type == w83627thf)
1718 				tmp &= 0xf0;
1719 			data->pwm[i] = tmp;
1720 			if (i == 1 &&
1721 			    (data->type == w83627hf || data->type == w83697hf))
1722 				break;
1723 		}
1724 		if (data->type == w83627hf) {
1725 				u8 tmp = w83627hf_read_value(data,
1726 						W83627HF_REG_PWM_FREQ);
1727 				data->pwm_freq[0] = tmp & 0x07;
1728 				data->pwm_freq[1] = (tmp >> 4) & 0x07;
1729 		} else if (data->type != w83627thf) {
1730 			for (i = 1; i <= 3; i++) {
1731 				data->pwm_freq[i - 1] =
1732 					w83627hf_read_value(data,
1733 						W83637HF_REG_PWM_FREQ[i - 1]);
1734 				if (i == 2 && (data->type == w83697hf))
1735 					break;
1736 			}
1737 		}
1738 		if (data->type != w83627hf) {
1739 			for (i = 0; i < num_pwms; i++) {
1740 				u8 tmp = w83627hf_read_value(data,
1741 					W83627THF_REG_PWM_ENABLE[i]);
1742 				data->pwm_enable[i] =
1743 					((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1744 					& 0x03) + 1;
1745 			}
1746 		}
1747 		for (i = 0; i < num_temps; i++) {
1748 			data->temp[i] = w83627hf_read_value(
1749 						data, w83627hf_reg_temp[i]);
1750 			data->temp_max[i] = w83627hf_read_value(
1751 						data, w83627hf_reg_temp_over[i]);
1752 			data->temp_max_hyst[i] = w83627hf_read_value(
1753 						data, w83627hf_reg_temp_hyst[i]);
1754 		}
1755 
1756 		w83627hf_update_fan_div(data);
1757 
1758 		data->alarms =
1759 		    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1760 		    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1761 		    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1762 		i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1763 		data->beep_mask = (i << 8) |
1764 		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1765 		    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1766 		data->last_updated = jiffies;
1767 		data->valid = 1;
1768 	}
1769 
1770 	mutex_unlock(&data->update_lock);
1771 
1772 	return data;
1773 }
1774 
1775 static int __init w83627hf_device_add(unsigned short address,
1776 				      const struct w83627hf_sio_data *sio_data)
1777 {
1778 	struct resource res = {
1779 		.start	= address + WINB_REGION_OFFSET,
1780 		.end	= address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1781 		.name	= DRVNAME,
1782 		.flags	= IORESOURCE_IO,
1783 	};
1784 	int err;
1785 
1786 	err = acpi_check_resource_conflict(&res);
1787 	if (err)
1788 		goto exit;
1789 
1790 	pdev = platform_device_alloc(DRVNAME, address);
1791 	if (!pdev) {
1792 		err = -ENOMEM;
1793 		pr_err("Device allocation failed\n");
1794 		goto exit;
1795 	}
1796 
1797 	err = platform_device_add_resources(pdev, &res, 1);
1798 	if (err) {
1799 		pr_err("Device resource addition failed (%d)\n", err);
1800 		goto exit_device_put;
1801 	}
1802 
1803 	err = platform_device_add_data(pdev, sio_data,
1804 				       sizeof(struct w83627hf_sio_data));
1805 	if (err) {
1806 		pr_err("Platform data allocation failed\n");
1807 		goto exit_device_put;
1808 	}
1809 
1810 	err = platform_device_add(pdev);
1811 	if (err) {
1812 		pr_err("Device addition failed (%d)\n", err);
1813 		goto exit_device_put;
1814 	}
1815 
1816 	return 0;
1817 
1818 exit_device_put:
1819 	platform_device_put(pdev);
1820 exit:
1821 	return err;
1822 }
1823 
1824 static int __init sensors_w83627hf_init(void)
1825 {
1826 	int err;
1827 	unsigned short address;
1828 	struct w83627hf_sio_data sio_data;
1829 
1830 	if (w83627hf_find(0x2e, &address, &sio_data)
1831 	 && w83627hf_find(0x4e, &address, &sio_data))
1832 		return -ENODEV;
1833 
1834 	err = platform_driver_register(&w83627hf_driver);
1835 	if (err)
1836 		goto exit;
1837 
1838 	/* Sets global pdev as a side effect */
1839 	err = w83627hf_device_add(address, &sio_data);
1840 	if (err)
1841 		goto exit_driver;
1842 
1843 	return 0;
1844 
1845 exit_driver:
1846 	platform_driver_unregister(&w83627hf_driver);
1847 exit:
1848 	return err;
1849 }
1850 
1851 static void __exit sensors_w83627hf_exit(void)
1852 {
1853 	platform_device_unregister(pdev);
1854 	platform_driver_unregister(&w83627hf_driver);
1855 }
1856 
1857 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1858 	      "Philip Edelbrock <phil@netroedge.com>, "
1859 	      "and Mark Studebaker <mdsxyz123@yahoo.com>");
1860 MODULE_DESCRIPTION("W83627HF driver");
1861 MODULE_LICENSE("GPL");
1862 
1863 module_init(sensors_w83627hf_init);
1864 module_exit(sensors_w83627hf_exit);
1865