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