Merge tag 'for-5.13-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-microblaze.git] / drivers / hwmon / w83627hf.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
4  *              monitoring
5  * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
6  *                            Philip Edelbrock <phil@netroedge.com>,
7  *                            and Mark Studebaker <mdsxyz123@yahoo.com>
8  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
9  * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
10  */
11
12 /*
13  * Supports following chips:
14  *
15  * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
16  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
17  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
18  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
19  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
20  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
21  *
22  * For other winbond chips, and for i2c support in the above chips,
23  * use w83781d.c.
24  *
25  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
26  * supported yet.
27  */
28
29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
30
31 #include <linux/module.h>
32 #include <linux/init.h>
33 #include <linux/slab.h>
34 #include <linux/jiffies.h>
35 #include <linux/platform_device.h>
36 #include <linux/hwmon.h>
37 #include <linux/hwmon-sysfs.h>
38 #include <linux/hwmon-vid.h>
39 #include <linux/err.h>
40 #include <linux/mutex.h>
41 #include <linux/ioport.h>
42 #include <linux/acpi.h>
43 #include <linux/io.h>
44 #include "lm75.h"
45
46 static struct platform_device *pdev;
47
48 #define DRVNAME "w83627hf"
49 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
50
51 struct w83627hf_sio_data {
52         enum chips type;
53         int sioaddr;
54 };
55
56 static u8 force_i2c = 0x1f;
57 module_param(force_i2c, byte, 0);
58 MODULE_PARM_DESC(force_i2c,
59                  "Initialize the i2c address of the sensors");
60
61 static bool init = 1;
62 module_param(init, bool, 0);
63 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
64
65 static unsigned short force_id;
66 module_param(force_id, ushort, 0);
67 MODULE_PARM_DESC(force_id, "Override the detected device ID");
68
69 /* modified from kernel/include/traps.c */
70 #define DEV                     0x07 /* Register: Logical device select */
71
72 /* logical device numbers for superio_select (below) */
73 #define W83627HF_LD_FDC         0x00
74 #define W83627HF_LD_PRT         0x01
75 #define W83627HF_LD_UART1       0x02
76 #define W83627HF_LD_UART2       0x03
77 #define W83627HF_LD_KBC         0x05
78 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
79 #define W83627HF_LD_GAME        0x07
80 #define W83627HF_LD_MIDI        0x07
81 #define W83627HF_LD_GPIO1       0x07
82 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
83 #define W83627HF_LD_GPIO2       0x08
84 #define W83627HF_LD_GPIO3       0x09
85 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
86 #define W83627HF_LD_ACPI        0x0a
87 #define W83627HF_LD_HWM         0x0b
88
89 #define DEVID                   0x20 /* Register: Device ID */
90
91 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
92 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
93 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
94
95 #define W83687THF_VID_EN        0x29 /* w83687thf only */
96 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
97 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
98
99 static inline void
100 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
101 {
102         outb(reg, sio->sioaddr);
103         outb(val, sio->sioaddr + 1);
104 }
105
106 static inline int
107 superio_inb(struct w83627hf_sio_data *sio, int reg)
108 {
109         outb(reg, sio->sioaddr);
110         return inb(sio->sioaddr + 1);
111 }
112
113 static inline void
114 superio_select(struct w83627hf_sio_data *sio, int ld)
115 {
116         outb(DEV, sio->sioaddr);
117         outb(ld,  sio->sioaddr + 1);
118 }
119
120 static inline int
121 superio_enter(struct w83627hf_sio_data *sio)
122 {
123         if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
124                 return -EBUSY;
125
126         outb(0x87, sio->sioaddr);
127         outb(0x87, sio->sioaddr);
128
129         return 0;
130 }
131
132 static inline void
133 superio_exit(struct w83627hf_sio_data *sio)
134 {
135         outb(0xAA, sio->sioaddr);
136         release_region(sio->sioaddr, 2);
137 }
138
139 #define W627_DEVID 0x52
140 #define W627THF_DEVID 0x82
141 #define W697_DEVID 0x60
142 #define W637_DEVID 0x70
143 #define W687THF_DEVID 0x85
144 #define WINB_ACT_REG 0x30
145 #define WINB_BASE_REG 0x60
146 /* Constants specified below */
147
148 /* Alignment of the base address */
149 #define WINB_ALIGNMENT          ~7
150
151 /* Offset & size of I/O region we are interested in */
152 #define WINB_REGION_OFFSET      5
153 #define WINB_REGION_SIZE        2
154
155 /* Where are the sensors address/data registers relative to the region offset */
156 #define W83781D_ADDR_REG_OFFSET 0
157 #define W83781D_DATA_REG_OFFSET 1
158
159 /* The W83781D registers */
160 /* The W83782D registers for nr=7,8 are in bank 5 */
161 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
162                                            (0x554 + (((nr) - 7) * 2)))
163 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
164                                            (0x555 + (((nr) - 7) * 2)))
165 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
166                                            (0x550 + (nr) - 7))
167
168 /* nr:0-2 for fans:1-3 */
169 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
170 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
171
172 #define W83627HF_REG_TEMP2_CONFIG 0x152
173 #define W83627HF_REG_TEMP3_CONFIG 0x252
174 /* these are zero-based, unlike config constants above */
175 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
176 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
177 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
178
179 #define W83781D_REG_BANK 0x4E
180
181 #define W83781D_REG_CONFIG 0x40
182 #define W83781D_REG_ALARM1 0x459
183 #define W83781D_REG_ALARM2 0x45A
184 #define W83781D_REG_ALARM3 0x45B
185
186 #define W83781D_REG_BEEP_CONFIG 0x4D
187 #define W83781D_REG_BEEP_INTS1 0x56
188 #define W83781D_REG_BEEP_INTS2 0x57
189 #define W83781D_REG_BEEP_INTS3 0x453
190
191 #define W83781D_REG_VID_FANDIV 0x47
192
193 #define W83781D_REG_CHIPID 0x49
194 #define W83781D_REG_WCHIPID 0x58
195 #define W83781D_REG_CHIPMAN 0x4F
196 #define W83781D_REG_PIN 0x4B
197
198 #define W83781D_REG_VBAT 0x5D
199
200 #define W83627HF_REG_PWM1 0x5A
201 #define W83627HF_REG_PWM2 0x5B
202
203 static const u8 W83627THF_REG_PWM_ENABLE[] = {
204         0x04,           /* FAN 1 mode */
205         0x04,           /* FAN 2 mode */
206         0x12,           /* FAN AUX mode */
207 };
208 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
209
210 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
211 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
212 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
213
214 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
215
216 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
217 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
218                              W83627THF_REG_PWM3 };
219 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
220                                     regpwm_627hf[nr] : regpwm[nr])
221
222 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
223
224 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
225 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
226 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
227
228 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
229                                         W83637HF_REG_PWM_FREQ2,
230                                         W83637HF_REG_PWM_FREQ3 };
231
232 #define W83627HF_BASE_PWM_FREQ  46870
233
234 #define W83781D_REG_I2C_ADDR 0x48
235 #define W83781D_REG_I2C_SUBADDR 0x4A
236
237 /* Sensor selection */
238 #define W83781D_REG_SCFG1 0x5D
239 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
240 #define W83781D_REG_SCFG2 0x59
241 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
242 #define W83781D_DEFAULT_BETA 3435
243
244 /*
245  * Conversions. Limit checking is only done on the TO_REG
246  * variants. Note that you should be a bit careful with which arguments
247  * these macros are called: arguments may be evaluated more than once.
248  * Fixing this is just not worth it.
249  */
250 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
251 #define IN_FROM_REG(val) ((val) * 16)
252
253 static inline u8 FAN_TO_REG(long rpm, int div)
254 {
255         if (rpm == 0)
256                 return 255;
257         rpm = clamp_val(rpm, 1, 1000000);
258         return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
259 }
260
261 #define TEMP_MIN (-128000)
262 #define TEMP_MAX ( 127000)
263
264 /*
265  * TEMP: 0.001C/bit (-128C to +127C)
266  * REG: 1C/bit, two's complement
267  */
268 static u8 TEMP_TO_REG(long temp)
269 {
270         int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
271         ntemp += (ntemp < 0 ? -500 : 500);
272         return (u8)(ntemp / 1000);
273 }
274
275 static int TEMP_FROM_REG(u8 reg)
276 {
277         return (s8)reg * 1000;
278 }
279
280 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
281
282 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
283
284 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
285 {
286         unsigned long freq;
287         freq = W83627HF_BASE_PWM_FREQ >> reg;
288         return freq;
289 }
290 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
291 {
292         u8 i;
293         /*
294          * Only 5 dividers (1 2 4 8 16)
295          * Search for the nearest available frequency
296          */
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 = clamp_val(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 /*
347  * For each registered chip, we need to keep some data in memory.
348  * The structure is dynamically allocated.
349  */
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                                  */
378         u8 pwm_freq[3];         /* Register value */
379         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
380                                  * 4 = thermistor
381                                  */
382         u8 vrm;
383         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
384
385 #ifdef CONFIG_PM
386         /* Remember extra register values over suspend/resume */
387         u8 scfg1;
388         u8 scfg2;
389 #endif
390 };
391
392 static int w83627hf_probe(struct platform_device *pdev);
393 static int w83627hf_remove(struct platform_device *pdev);
394
395 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
396 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
397 static void w83627hf_update_fan_div(struct w83627hf_data *data);
398 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
399 static void w83627hf_init_device(struct platform_device *pdev);
400
401 #ifdef CONFIG_PM
402 static int w83627hf_suspend(struct device *dev)
403 {
404         struct w83627hf_data *data = w83627hf_update_device(dev);
405
406         mutex_lock(&data->update_lock);
407         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
408         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
409         mutex_unlock(&data->update_lock);
410
411         return 0;
412 }
413
414 static int w83627hf_resume(struct device *dev)
415 {
416         struct w83627hf_data *data = dev_get_drvdata(dev);
417         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
418
419         /* Restore limits */
420         mutex_lock(&data->update_lock);
421         for (i = 0; i <= 8; i++) {
422                 /* skip missing sensors */
423                 if (((data->type == w83697hf) && (i == 1)) ||
424                     ((data->type != w83627hf && data->type != w83697hf)
425                     && (i == 5 || i == 6)))
426                         continue;
427                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
428                                      data->in_max[i]);
429                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
430                                      data->in_min[i]);
431         }
432         for (i = 0; i <= 2; i++)
433                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
434                                      data->fan_min[i]);
435         for (i = 0; i < num_temps; i++) {
436                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
437                                      data->temp_max[i]);
438                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
439                                      data->temp_max_hyst[i]);
440         }
441
442         /* Fixup BIOS bugs */
443         if (data->type == w83627thf || data->type == w83637hf ||
444             data->type == w83687thf)
445                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
446                                      data->vrm_ovt);
447         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
448         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
449
450         /* Force re-reading all values */
451         data->valid = 0;
452         mutex_unlock(&data->update_lock);
453
454         return 0;
455 }
456
457 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
458         .suspend = w83627hf_suspend,
459         .resume = w83627hf_resume,
460 };
461
462 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
463 #else
464 #define W83627HF_DEV_PM_OPS     NULL
465 #endif /* CONFIG_PM */
466
467 static struct platform_driver w83627hf_driver = {
468         .driver = {
469                 .name   = DRVNAME,
470                 .pm     = W83627HF_DEV_PM_OPS,
471         },
472         .probe          = w83627hf_probe,
473         .remove         = w83627hf_remove,
474 };
475
476 static ssize_t
477 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
478 {
479         int nr = to_sensor_dev_attr(devattr)->index;
480         struct w83627hf_data *data = w83627hf_update_device(dev);
481         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
482 }
483 static ssize_t
484 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
485 {
486         int nr = to_sensor_dev_attr(devattr)->index;
487         struct w83627hf_data *data = w83627hf_update_device(dev);
488         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
489 }
490 static ssize_t
491 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
492 {
493         int nr = to_sensor_dev_attr(devattr)->index;
494         struct w83627hf_data *data = w83627hf_update_device(dev);
495         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
496 }
497 static ssize_t
498 in_min_store(struct device *dev, struct device_attribute *devattr,
499              const char *buf, size_t count)
500 {
501         int nr = to_sensor_dev_attr(devattr)->index;
502         struct w83627hf_data *data = dev_get_drvdata(dev);
503         long val;
504         int err;
505
506         err = kstrtol(buf, 10, &val);
507         if (err)
508                 return err;
509
510         mutex_lock(&data->update_lock);
511         data->in_min[nr] = IN_TO_REG(val);
512         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
513         mutex_unlock(&data->update_lock);
514         return count;
515 }
516 static ssize_t
517 in_max_store(struct device *dev, struct device_attribute *devattr,
518              const char *buf, size_t count)
519 {
520         int nr = to_sensor_dev_attr(devattr)->index;
521         struct w83627hf_data *data = dev_get_drvdata(dev);
522         long val;
523         int err;
524
525         err = kstrtol(buf, 10, &val);
526         if (err)
527                 return err;
528
529         mutex_lock(&data->update_lock);
530         data->in_max[nr] = IN_TO_REG(val);
531         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
532         mutex_unlock(&data->update_lock);
533         return count;
534 }
535
536 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
537 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
538 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
539 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
540 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
541 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
542 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
543 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
544 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
545 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
546 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
547 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
548 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
549 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
550 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
551 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
552 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
553 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
554 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
555 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
556 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
557 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
558 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
559 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
560
561 /* use a different set of functions for in0 */
562 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
563 {
564         long in0;
565
566         if ((data->vrm_ovt & 0x01) &&
567                 (w83627thf == data->type || w83637hf == data->type
568                  || w83687thf == data->type))
569
570                 /* use VRM9 calculation */
571                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
572         else
573                 /* use VRM8 (standard) calculation */
574                 in0 = (long)IN_FROM_REG(reg);
575
576         return sprintf(buf,"%ld\n", in0);
577 }
578
579 static ssize_t in0_input_show(struct device *dev,
580                               struct device_attribute *attr, char *buf)
581 {
582         struct w83627hf_data *data = w83627hf_update_device(dev);
583         return show_in_0(data, buf, data->in[0]);
584 }
585
586 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
587                             char *buf)
588 {
589         struct w83627hf_data *data = w83627hf_update_device(dev);
590         return show_in_0(data, buf, data->in_min[0]);
591 }
592
593 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
594                             char *buf)
595 {
596         struct w83627hf_data *data = w83627hf_update_device(dev);
597         return show_in_0(data, buf, data->in_max[0]);
598 }
599
600 static ssize_t in0_min_store(struct device *dev,
601                              struct device_attribute *attr, const char *buf,
602                              size_t count)
603 {
604         struct w83627hf_data *data = dev_get_drvdata(dev);
605         unsigned long val;
606         int err;
607
608         err = kstrtoul(buf, 10, &val);
609         if (err)
610                 return err;
611
612         mutex_lock(&data->update_lock);
613         
614         if ((data->vrm_ovt & 0x01) &&
615                 (w83627thf == data->type || w83637hf == data->type
616                  || w83687thf == data->type))
617
618                 /* use VRM9 calculation */
619                 data->in_min[0] =
620                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
621         else
622                 /* use VRM8 (standard) calculation */
623                 data->in_min[0] = IN_TO_REG(val);
624
625         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
626         mutex_unlock(&data->update_lock);
627         return count;
628 }
629
630 static ssize_t in0_max_store(struct device *dev,
631                              struct device_attribute *attr, const char *buf,
632                              size_t count)
633 {
634         struct w83627hf_data *data = dev_get_drvdata(dev);
635         unsigned long val;
636         int err;
637
638         err = kstrtoul(buf, 10, &val);
639         if (err)
640                 return err;
641
642         mutex_lock(&data->update_lock);
643
644         if ((data->vrm_ovt & 0x01) &&
645                 (w83627thf == data->type || w83637hf == data->type
646                  || w83687thf == data->type))
647                 
648                 /* use VRM9 calculation */
649                 data->in_max[0] =
650                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
651         else
652                 /* use VRM8 (standard) calculation */
653                 data->in_max[0] = IN_TO_REG(val);
654
655         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
656         mutex_unlock(&data->update_lock);
657         return count;
658 }
659
660 static DEVICE_ATTR_RO(in0_input);
661 static DEVICE_ATTR_RW(in0_min);
662 static DEVICE_ATTR_RW(in0_max);
663
664 static ssize_t
665 fan_input_show(struct device *dev, struct device_attribute *devattr,
666                char *buf)
667 {
668         int nr = to_sensor_dev_attr(devattr)->index;
669         struct w83627hf_data *data = w83627hf_update_device(dev);
670         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
671                                 (long)DIV_FROM_REG(data->fan_div[nr])));
672 }
673 static ssize_t
674 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
675 {
676         int nr = to_sensor_dev_attr(devattr)->index;
677         struct w83627hf_data *data = w83627hf_update_device(dev);
678         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
679                                 (long)DIV_FROM_REG(data->fan_div[nr])));
680 }
681 static ssize_t
682 fan_min_store(struct device *dev, struct device_attribute *devattr,
683               const char *buf, size_t count)
684 {
685         int nr = to_sensor_dev_attr(devattr)->index;
686         struct w83627hf_data *data = dev_get_drvdata(dev);
687         unsigned long val;
688         int err;
689
690         err = kstrtoul(buf, 10, &val);
691         if (err)
692                 return err;
693
694         mutex_lock(&data->update_lock);
695         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
696         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
697                              data->fan_min[nr]);
698
699         mutex_unlock(&data->update_lock);
700         return count;
701 }
702
703 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
704 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
705 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
706 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
707 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
708 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
709
710 static ssize_t
711 temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
712 {
713         int nr = to_sensor_dev_attr(devattr)->index;
714         struct w83627hf_data *data = w83627hf_update_device(dev);
715
716         u16 tmp = data->temp[nr];
717         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
718                                           : (long) TEMP_FROM_REG(tmp));
719 }
720
721 static ssize_t
722 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
723 {
724         int nr = to_sensor_dev_attr(devattr)->index;
725         struct w83627hf_data *data = w83627hf_update_device(dev);
726
727         u16 tmp = data->temp_max[nr];
728         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
729                                           : (long) TEMP_FROM_REG(tmp));
730 }
731
732 static ssize_t
733 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
734                    char *buf)
735 {
736         int nr = to_sensor_dev_attr(devattr)->index;
737         struct w83627hf_data *data = w83627hf_update_device(dev);
738
739         u16 tmp = data->temp_max_hyst[nr];
740         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
741                                           : (long) TEMP_FROM_REG(tmp));
742 }
743
744 static ssize_t
745 temp_max_store(struct device *dev, struct device_attribute *devattr,
746                const char *buf, size_t count)
747 {
748         int nr = to_sensor_dev_attr(devattr)->index;
749         struct w83627hf_data *data = dev_get_drvdata(dev);
750         u16 tmp;
751         long val;
752         int err;
753
754         err = kstrtol(buf, 10, &val);
755         if (err)
756                 return err;
757
758         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
759         mutex_lock(&data->update_lock);
760         data->temp_max[nr] = tmp;
761         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
762         mutex_unlock(&data->update_lock);
763         return count;
764 }
765
766 static ssize_t
767 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
768                     const char *buf, size_t count)
769 {
770         int nr = to_sensor_dev_attr(devattr)->index;
771         struct w83627hf_data *data = dev_get_drvdata(dev);
772         u16 tmp;
773         long val;
774         int err;
775
776         err = kstrtol(buf, 10, &val);
777         if (err)
778                 return err;
779
780         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
781         mutex_lock(&data->update_lock);
782         data->temp_max_hyst[nr] = tmp;
783         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
784         mutex_unlock(&data->update_lock);
785         return count;
786 }
787
788 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
789 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
790 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
791 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
792 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
793 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
794 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
795 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
796 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
797
798 static ssize_t
799 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
800 {
801         struct w83627hf_data *data = w83627hf_update_device(dev);
802         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
803 }
804 static DEVICE_ATTR_RO(cpu0_vid);
805
806 static ssize_t
807 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
808 {
809         struct w83627hf_data *data = dev_get_drvdata(dev);
810         return sprintf(buf, "%ld\n", (long) data->vrm);
811 }
812 static ssize_t
813 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
814           size_t count)
815 {
816         struct w83627hf_data *data = dev_get_drvdata(dev);
817         unsigned long val;
818         int err;
819
820         err = kstrtoul(buf, 10, &val);
821         if (err)
822                 return err;
823
824         if (val > 255)
825                 return -EINVAL;
826         data->vrm = val;
827
828         return count;
829 }
830 static DEVICE_ATTR_RW(vrm);
831
832 static ssize_t
833 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
834 {
835         struct w83627hf_data *data = w83627hf_update_device(dev);
836         return sprintf(buf, "%ld\n", (long) data->alarms);
837 }
838 static DEVICE_ATTR_RO(alarms);
839
840 static ssize_t
841 alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
842 {
843         struct w83627hf_data *data = w83627hf_update_device(dev);
844         int bitnr = to_sensor_dev_attr(attr)->index;
845         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
846 }
847 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
848 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
849 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
850 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
851 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
852 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
853 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
854 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
855 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
856 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
857 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
858 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
859 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
860 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
861 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
862
863 static ssize_t
864 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
865 {
866         struct w83627hf_data *data = w83627hf_update_device(dev);
867         return sprintf(buf, "%ld\n",
868                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
869 }
870
871 static ssize_t
872 beep_mask_store(struct device *dev, struct device_attribute *attr,
873                 const char *buf, size_t count)
874 {
875         struct w83627hf_data *data = dev_get_drvdata(dev);
876         unsigned long val;
877         int err;
878
879         err = kstrtoul(buf, 10, &val);
880         if (err)
881                 return err;
882
883         mutex_lock(&data->update_lock);
884
885         /* preserve beep enable */
886         data->beep_mask = (data->beep_mask & 0x8000)
887                         | BEEP_MASK_TO_REG(val);
888         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
889                             data->beep_mask & 0xff);
890         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
891                             ((data->beep_mask) >> 16) & 0xff);
892         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
893                             (data->beep_mask >> 8) & 0xff);
894
895         mutex_unlock(&data->update_lock);
896         return count;
897 }
898
899 static DEVICE_ATTR_RW(beep_mask);
900
901 static ssize_t
902 beep_show(struct device *dev, struct device_attribute *attr, char *buf)
903 {
904         struct w83627hf_data *data = w83627hf_update_device(dev);
905         int bitnr = to_sensor_dev_attr(attr)->index;
906         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
907 }
908
909 static ssize_t
910 beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
911            size_t count)
912 {
913         struct w83627hf_data *data = dev_get_drvdata(dev);
914         int bitnr = to_sensor_dev_attr(attr)->index;
915         u8 reg;
916         unsigned long bit;
917         int err;
918
919         err = kstrtoul(buf, 10, &bit);
920         if (err)
921                 return err;
922
923         if (bit & ~1)
924                 return -EINVAL;
925
926         mutex_lock(&data->update_lock);
927         if (bit)
928                 data->beep_mask |= (1 << bitnr);
929         else
930                 data->beep_mask &= ~(1 << bitnr);
931
932         if (bitnr < 8) {
933                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
934                 if (bit)
935                         reg |= (1 << bitnr);
936                 else
937                         reg &= ~(1 << bitnr);
938                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
939         } else if (bitnr < 16) {
940                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
941                 if (bit)
942                         reg |= (1 << (bitnr - 8));
943                 else
944                         reg &= ~(1 << (bitnr - 8));
945                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
946         } else {
947                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
948                 if (bit)
949                         reg |= (1 << (bitnr - 16));
950                 else
951                         reg &= ~(1 << (bitnr - 16));
952                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
953         }
954         mutex_unlock(&data->update_lock);
955
956         return count;
957 }
958
959 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
960 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
961 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
962 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
963 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
964 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
965 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
966 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
967 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
968 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
969 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
970 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
971 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
972 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
973 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
974 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
975
976 static ssize_t
977 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
978 {
979         int nr = to_sensor_dev_attr(devattr)->index;
980         struct w83627hf_data *data = w83627hf_update_device(dev);
981         return sprintf(buf, "%ld\n",
982                        (long) DIV_FROM_REG(data->fan_div[nr]));
983 }
984 /*
985  * Note: we save and restore the fan minimum here, because its value is
986  * determined in part by the fan divisor.  This follows the principle of
987  * least surprise; the user doesn't expect the fan minimum to change just
988  * because the divisor changed.
989  */
990 static ssize_t
991 fan_div_store(struct device *dev, struct device_attribute *devattr,
992               const char *buf, size_t count)
993 {
994         int nr = to_sensor_dev_attr(devattr)->index;
995         struct w83627hf_data *data = dev_get_drvdata(dev);
996         unsigned long min;
997         u8 reg;
998         unsigned long val;
999         int err;
1000
1001         err = kstrtoul(buf, 10, &val);
1002         if (err)
1003                 return err;
1004
1005         mutex_lock(&data->update_lock);
1006
1007         /* Save fan_min */
1008         min = FAN_FROM_REG(data->fan_min[nr],
1009                            DIV_FROM_REG(data->fan_div[nr]));
1010
1011         data->fan_div[nr] = DIV_TO_REG(val);
1012
1013         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1014                & (nr==0 ? 0xcf : 0x3f))
1015             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1016         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1017
1018         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1019                & ~(1 << (5 + nr)))
1020             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1021         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1022
1023         /* Restore fan_min */
1024         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1025         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1026
1027         mutex_unlock(&data->update_lock);
1028         return count;
1029 }
1030
1031 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
1032 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
1033 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
1034
1035 static ssize_t
1036 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
1037 {
1038         int nr = to_sensor_dev_attr(devattr)->index;
1039         struct w83627hf_data *data = w83627hf_update_device(dev);
1040         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1041 }
1042
1043 static ssize_t
1044 pwm_store(struct device *dev, struct device_attribute *devattr,
1045           const char *buf, size_t count)
1046 {
1047         int nr = to_sensor_dev_attr(devattr)->index;
1048         struct w83627hf_data *data = dev_get_drvdata(dev);
1049         unsigned long val;
1050         int err;
1051
1052         err = kstrtoul(buf, 10, &val);
1053         if (err)
1054                 return err;
1055
1056         mutex_lock(&data->update_lock);
1057
1058         if (data->type == w83627thf) {
1059                 /* bits 0-3 are reserved  in 627THF */
1060                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1061                 w83627hf_write_value(data,
1062                                      W836X7HF_REG_PWM(data->type, nr),
1063                                      data->pwm[nr] |
1064                                      (w83627hf_read_value(data,
1065                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1066         } else {
1067                 data->pwm[nr] = PWM_TO_REG(val);
1068                 w83627hf_write_value(data,
1069                                      W836X7HF_REG_PWM(data->type, nr),
1070                                      data->pwm[nr]);
1071         }
1072
1073         mutex_unlock(&data->update_lock);
1074         return count;
1075 }
1076
1077 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
1078 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
1079 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
1080
1081 static ssize_t
1082 pwm_enable_show(struct device *dev, struct device_attribute *devattr,
1083                 char *buf)
1084 {
1085         int nr = to_sensor_dev_attr(devattr)->index;
1086         struct w83627hf_data *data = w83627hf_update_device(dev);
1087         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1088 }
1089
1090 static ssize_t
1091 pwm_enable_store(struct device *dev, struct device_attribute *devattr,
1092                  const char *buf, size_t count)
1093 {
1094         int nr = to_sensor_dev_attr(devattr)->index;
1095         struct w83627hf_data *data = dev_get_drvdata(dev);
1096         u8 reg;
1097         unsigned long val;
1098         int err;
1099
1100         err = kstrtoul(buf, 10, &val);
1101         if (err)
1102                 return err;
1103
1104         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1105                 return -EINVAL;
1106         mutex_lock(&data->update_lock);
1107         data->pwm_enable[nr] = val;
1108         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1109         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1110         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1111         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1112         mutex_unlock(&data->update_lock);
1113         return count;
1114 }
1115
1116 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
1117 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
1118 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
1119
1120 static ssize_t
1121 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
1122 {
1123         int nr = to_sensor_dev_attr(devattr)->index;
1124         struct w83627hf_data *data = w83627hf_update_device(dev);
1125         if (data->type == w83627hf)
1126                 return sprintf(buf, "%ld\n",
1127                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1128         else
1129                 return sprintf(buf, "%ld\n",
1130                         pwm_freq_from_reg(data->pwm_freq[nr]));
1131 }
1132
1133 static ssize_t
1134 pwm_freq_store(struct device *dev, struct device_attribute *devattr,
1135                const char *buf, size_t count)
1136 {
1137         int nr = to_sensor_dev_attr(devattr)->index;
1138         struct w83627hf_data *data = dev_get_drvdata(dev);
1139         static const u8 mask[]={0xF8, 0x8F};
1140         unsigned long val;
1141         int err;
1142
1143         err = kstrtoul(buf, 10, &val);
1144         if (err)
1145                 return err;
1146
1147         mutex_lock(&data->update_lock);
1148
1149         if (data->type == w83627hf) {
1150                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1151                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1152                                 (data->pwm_freq[nr] << (nr*4)) |
1153                                 (w83627hf_read_value(data,
1154                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1155         } else {
1156                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1157                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1158                                 data->pwm_freq[nr]);
1159         }
1160
1161         mutex_unlock(&data->update_lock);
1162         return count;
1163 }
1164
1165 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
1166 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
1167 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
1168
1169 static ssize_t
1170 temp_type_show(struct device *dev, struct device_attribute *devattr,
1171                char *buf)
1172 {
1173         int nr = to_sensor_dev_attr(devattr)->index;
1174         struct w83627hf_data *data = w83627hf_update_device(dev);
1175         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1176 }
1177
1178 static ssize_t
1179 temp_type_store(struct device *dev, struct device_attribute *devattr,
1180                 const char *buf, size_t count)
1181 {
1182         int nr = to_sensor_dev_attr(devattr)->index;
1183         struct w83627hf_data *data = dev_get_drvdata(dev);
1184         unsigned long val;
1185         u32 tmp;
1186         int err;
1187
1188         err = kstrtoul(buf, 10, &val);
1189         if (err)
1190                 return err;
1191
1192         mutex_lock(&data->update_lock);
1193
1194         switch (val) {
1195         case 1:         /* PII/Celeron diode */
1196                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1197                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1198                                     tmp | BIT_SCFG1[nr]);
1199                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1200                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1201                                     tmp | BIT_SCFG2[nr]);
1202                 data->sens[nr] = val;
1203                 break;
1204         case 2:         /* 3904 */
1205                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1206                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1207                                     tmp | BIT_SCFG1[nr]);
1208                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1209                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1210                                     tmp & ~BIT_SCFG2[nr]);
1211                 data->sens[nr] = val;
1212                 break;
1213         case W83781D_DEFAULT_BETA:
1214                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1215                          "instead\n", W83781D_DEFAULT_BETA);
1216                 fallthrough;
1217         case 4:         /* thermistor */
1218                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1219                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1220                                     tmp & ~BIT_SCFG1[nr]);
1221                 data->sens[nr] = val;
1222                 break;
1223         default:
1224                 dev_err(dev,
1225                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1226                        (long) val);
1227                 break;
1228         }
1229
1230         mutex_unlock(&data->update_lock);
1231         return count;
1232 }
1233
1234 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
1235 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
1236 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
1237
1238 static ssize_t
1239 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1240 {
1241         struct w83627hf_data *data = dev_get_drvdata(dev);
1242
1243         return sprintf(buf, "%s\n", data->name);
1244 }
1245 static DEVICE_ATTR_RO(name);
1246
1247 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1248                                 struct w83627hf_sio_data *sio_data)
1249 {
1250         int err;
1251         u16 val;
1252
1253         static __initconst char *const names[] = {
1254                 "W83627HF",
1255                 "W83627THF",
1256                 "W83697HF",
1257                 "W83637HF",
1258                 "W83687THF",
1259         };
1260
1261         sio_data->sioaddr = sioaddr;
1262         err = superio_enter(sio_data);
1263         if (err)
1264                 return err;
1265
1266         err = -ENODEV;
1267         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1268         switch (val) {
1269         case W627_DEVID:
1270                 sio_data->type = w83627hf;
1271                 break;
1272         case W627THF_DEVID:
1273                 sio_data->type = w83627thf;
1274                 break;
1275         case W697_DEVID:
1276                 sio_data->type = w83697hf;
1277                 break;
1278         case W637_DEVID:
1279                 sio_data->type = w83637hf;
1280                 break;
1281         case W687THF_DEVID:
1282                 sio_data->type = w83687thf;
1283                 break;
1284         case 0xff:      /* No device at all */
1285                 goto exit;
1286         default:
1287                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1288                 goto exit;
1289         }
1290
1291         superio_select(sio_data, W83627HF_LD_HWM);
1292         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1293                superio_inb(sio_data, WINB_BASE_REG + 1);
1294         *addr = val & WINB_ALIGNMENT;
1295         if (*addr == 0) {
1296                 pr_warn("Base address not set, skipping\n");
1297                 goto exit;
1298         }
1299
1300         val = superio_inb(sio_data, WINB_ACT_REG);
1301         if (!(val & 0x01)) {
1302                 pr_warn("Enabling HWM logical device\n");
1303                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1304         }
1305
1306         err = 0;
1307         pr_info(DRVNAME ": Found %s chip at %#x\n",
1308                 names[sio_data->type], *addr);
1309
1310  exit:
1311         superio_exit(sio_data);
1312         return err;
1313 }
1314
1315 #define VIN_UNIT_ATTRS(_X_)     \
1316         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1317         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1318         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1319         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1320         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1321
1322 #define FAN_UNIT_ATTRS(_X_)     \
1323         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1324         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1325         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1326         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1327         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1328
1329 #define TEMP_UNIT_ATTRS(_X_)    \
1330         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1331         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1332         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1333         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1334         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1335         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1336
1337 static struct attribute *w83627hf_attributes[] = {
1338         &dev_attr_in0_input.attr,
1339         &dev_attr_in0_min.attr,
1340         &dev_attr_in0_max.attr,
1341         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1342         &sensor_dev_attr_in0_beep.dev_attr.attr,
1343         VIN_UNIT_ATTRS(2),
1344         VIN_UNIT_ATTRS(3),
1345         VIN_UNIT_ATTRS(4),
1346         VIN_UNIT_ATTRS(7),
1347         VIN_UNIT_ATTRS(8),
1348
1349         FAN_UNIT_ATTRS(1),
1350         FAN_UNIT_ATTRS(2),
1351
1352         TEMP_UNIT_ATTRS(1),
1353         TEMP_UNIT_ATTRS(2),
1354
1355         &dev_attr_alarms.attr,
1356         &sensor_dev_attr_beep_enable.dev_attr.attr,
1357         &dev_attr_beep_mask.attr,
1358
1359         &sensor_dev_attr_pwm1.dev_attr.attr,
1360         &sensor_dev_attr_pwm2.dev_attr.attr,
1361         &dev_attr_name.attr,
1362         NULL
1363 };
1364
1365 static const struct attribute_group w83627hf_group = {
1366         .attrs = w83627hf_attributes,
1367 };
1368
1369 static struct attribute *w83627hf_attributes_opt[] = {
1370         VIN_UNIT_ATTRS(1),
1371         VIN_UNIT_ATTRS(5),
1372         VIN_UNIT_ATTRS(6),
1373
1374         FAN_UNIT_ATTRS(3),
1375         TEMP_UNIT_ATTRS(3),
1376         &sensor_dev_attr_pwm3.dev_attr.attr,
1377
1378         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1379         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1380         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1381
1382         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1383         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1384         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1385
1386         NULL
1387 };
1388
1389 static const struct attribute_group w83627hf_group_opt = {
1390         .attrs = w83627hf_attributes_opt,
1391 };
1392
1393 static int w83627hf_probe(struct platform_device *pdev)
1394 {
1395         struct device *dev = &pdev->dev;
1396         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1397         struct w83627hf_data *data;
1398         struct resource *res;
1399         int err, i;
1400
1401         static const char *names[] = {
1402                 "w83627hf",
1403                 "w83627thf",
1404                 "w83697hf",
1405                 "w83637hf",
1406                 "w83687thf",
1407         };
1408
1409         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1410         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1411                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1412                         (unsigned long)res->start,
1413                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1414                 return -EBUSY;
1415         }
1416
1417         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1418         if (!data)
1419                 return -ENOMEM;
1420
1421         data->addr = res->start;
1422         data->type = sio_data->type;
1423         data->name = names[sio_data->type];
1424         mutex_init(&data->lock);
1425         mutex_init(&data->update_lock);
1426         platform_set_drvdata(pdev, data);
1427
1428         /* Initialize the chip */
1429         w83627hf_init_device(pdev);
1430
1431         /* A few vars need to be filled upon startup */
1432         for (i = 0; i <= 2; i++)
1433                 data->fan_min[i] = w83627hf_read_value(
1434                                         data, W83627HF_REG_FAN_MIN(i));
1435         w83627hf_update_fan_div(data);
1436
1437         /* Register common device attributes */
1438         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1439         if (err)
1440                 return err;
1441
1442         /* Register chip-specific device attributes */
1443         if (data->type == w83627hf || data->type == w83697hf)
1444                 if ((err = device_create_file(dev,
1445                                 &sensor_dev_attr_in5_input.dev_attr))
1446                  || (err = device_create_file(dev,
1447                                 &sensor_dev_attr_in5_min.dev_attr))
1448                  || (err = device_create_file(dev,
1449                                 &sensor_dev_attr_in5_max.dev_attr))
1450                  || (err = device_create_file(dev,
1451                                 &sensor_dev_attr_in5_alarm.dev_attr))
1452                  || (err = device_create_file(dev,
1453                                 &sensor_dev_attr_in5_beep.dev_attr))
1454                  || (err = device_create_file(dev,
1455                                 &sensor_dev_attr_in6_input.dev_attr))
1456                  || (err = device_create_file(dev,
1457                                 &sensor_dev_attr_in6_min.dev_attr))
1458                  || (err = device_create_file(dev,
1459                                 &sensor_dev_attr_in6_max.dev_attr))
1460                  || (err = device_create_file(dev,
1461                                 &sensor_dev_attr_in6_alarm.dev_attr))
1462                  || (err = device_create_file(dev,
1463                                 &sensor_dev_attr_in6_beep.dev_attr))
1464                  || (err = device_create_file(dev,
1465                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1466                  || (err = device_create_file(dev,
1467                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1468                         goto error;
1469
1470         if (data->type != w83697hf)
1471                 if ((err = device_create_file(dev,
1472                                 &sensor_dev_attr_in1_input.dev_attr))
1473                  || (err = device_create_file(dev,
1474                                 &sensor_dev_attr_in1_min.dev_attr))
1475                  || (err = device_create_file(dev,
1476                                 &sensor_dev_attr_in1_max.dev_attr))
1477                  || (err = device_create_file(dev,
1478                                 &sensor_dev_attr_in1_alarm.dev_attr))
1479                  || (err = device_create_file(dev,
1480                                 &sensor_dev_attr_in1_beep.dev_attr))
1481                  || (err = device_create_file(dev,
1482                                 &sensor_dev_attr_fan3_input.dev_attr))
1483                  || (err = device_create_file(dev,
1484                                 &sensor_dev_attr_fan3_min.dev_attr))
1485                  || (err = device_create_file(dev,
1486                                 &sensor_dev_attr_fan3_div.dev_attr))
1487                  || (err = device_create_file(dev,
1488                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1489                  || (err = device_create_file(dev,
1490                                 &sensor_dev_attr_fan3_beep.dev_attr))
1491                  || (err = device_create_file(dev,
1492                                 &sensor_dev_attr_temp3_input.dev_attr))
1493                  || (err = device_create_file(dev,
1494                                 &sensor_dev_attr_temp3_max.dev_attr))
1495                  || (err = device_create_file(dev,
1496                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1497                  || (err = device_create_file(dev,
1498                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1499                  || (err = device_create_file(dev,
1500                                 &sensor_dev_attr_temp3_beep.dev_attr))
1501                  || (err = device_create_file(dev,
1502                                 &sensor_dev_attr_temp3_type.dev_attr)))
1503                         goto error;
1504
1505         if (data->type != w83697hf && data->vid != 0xff) {
1506                 /* Convert VID to voltage based on VRM */
1507                 data->vrm = vid_which_vrm();
1508
1509                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1510                  || (err = device_create_file(dev, &dev_attr_vrm)))
1511                         goto error;
1512         }
1513
1514         if (data->type == w83627thf || data->type == w83637hf
1515             || data->type == w83687thf) {
1516                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1517                 if (err)
1518                         goto error;
1519         }
1520
1521         if (data->type == w83637hf || data->type == w83687thf)
1522                 if ((err = device_create_file(dev,
1523                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1524                  || (err = device_create_file(dev,
1525                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1526                  || (err = device_create_file(dev,
1527                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1528                         goto error;
1529
1530         if (data->type != w83627hf)
1531                 if ((err = device_create_file(dev,
1532                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1533                  || (err = device_create_file(dev,
1534                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1535                         goto error;
1536
1537         if (data->type == w83627thf || data->type == w83637hf
1538             || data->type == w83687thf) {
1539                 err = device_create_file(dev,
1540                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1541                 if (err)
1542                         goto error;
1543         }
1544
1545         data->hwmon_dev = hwmon_device_register(dev);
1546         if (IS_ERR(data->hwmon_dev)) {
1547                 err = PTR_ERR(data->hwmon_dev);
1548                 goto error;
1549         }
1550
1551         return 0;
1552
1553  error:
1554         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1555         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1556         return err;
1557 }
1558
1559 static int w83627hf_remove(struct platform_device *pdev)
1560 {
1561         struct w83627hf_data *data = platform_get_drvdata(pdev);
1562
1563         hwmon_device_unregister(data->hwmon_dev);
1564
1565         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1566         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1567
1568         return 0;
1569 }
1570
1571 /* Registers 0x50-0x5f are banked */
1572 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1573 {
1574         if ((reg & 0x00f0) == 0x50) {
1575                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1576                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1577         }
1578 }
1579
1580 /* Not strictly necessary, but play it safe for now */
1581 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1582 {
1583         if (reg & 0xff00) {
1584                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1585                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1586         }
1587 }
1588
1589 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1590 {
1591         int res, word_sized;
1592
1593         mutex_lock(&data->lock);
1594         word_sized = (((reg & 0xff00) == 0x100)
1595                    || ((reg & 0xff00) == 0x200))
1596                   && (((reg & 0x00ff) == 0x50)
1597                    || ((reg & 0x00ff) == 0x53)
1598                    || ((reg & 0x00ff) == 0x55));
1599         w83627hf_set_bank(data, reg);
1600         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1601         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1602         if (word_sized) {
1603                 outb_p((reg & 0xff) + 1,
1604                        data->addr + W83781D_ADDR_REG_OFFSET);
1605                 res =
1606                     (res << 8) + inb_p(data->addr +
1607                                        W83781D_DATA_REG_OFFSET);
1608         }
1609         w83627hf_reset_bank(data, reg);
1610         mutex_unlock(&data->lock);
1611         return res;
1612 }
1613
1614 static int w83627thf_read_gpio5(struct platform_device *pdev)
1615 {
1616         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1617         int res = 0xff, sel;
1618
1619         if (superio_enter(sio_data)) {
1620                 /*
1621                  * Some other driver reserved the address space for itself.
1622                  * We don't want to fail driver instantiation because of that,
1623                  * so display a warning and keep going.
1624                  */
1625                 dev_warn(&pdev->dev,
1626                          "Can not read VID data: Failed to enable SuperIO access\n");
1627                 return res;
1628         }
1629
1630         superio_select(sio_data, W83627HF_LD_GPIO5);
1631
1632         res = 0xff;
1633
1634         /* Make sure these GPIO pins are enabled */
1635         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1636                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1637                 goto exit;
1638         }
1639
1640         /*
1641          * Make sure the pins are configured for input
1642          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1643          */
1644         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1645         if ((sel & 0x1f) != 0x1f) {
1646                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1647                         "function\n");
1648                 goto exit;
1649         }
1650
1651         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1652         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1653
1654 exit:
1655         superio_exit(sio_data);
1656         return res;
1657 }
1658
1659 static int w83687thf_read_vid(struct platform_device *pdev)
1660 {
1661         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1662         int res = 0xff;
1663
1664         if (superio_enter(sio_data)) {
1665                 /*
1666                  * Some other driver reserved the address space for itself.
1667                  * We don't want to fail driver instantiation because of that,
1668                  * so display a warning and keep going.
1669                  */
1670                 dev_warn(&pdev->dev,
1671                          "Can not read VID data: Failed to enable SuperIO access\n");
1672                 return res;
1673         }
1674
1675         superio_select(sio_data, W83627HF_LD_HWM);
1676
1677         /* Make sure these GPIO pins are enabled */
1678         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1679                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1680                 goto exit;
1681         }
1682
1683         /* Make sure the pins are configured for input */
1684         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1685                 dev_dbg(&pdev->dev, "VID configured as output, "
1686                         "no VID function\n");
1687                 goto exit;
1688         }
1689
1690         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1691
1692 exit:
1693         superio_exit(sio_data);
1694         return res;
1695 }
1696
1697 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1698 {
1699         int word_sized;
1700
1701         mutex_lock(&data->lock);
1702         word_sized = (((reg & 0xff00) == 0x100)
1703                    || ((reg & 0xff00) == 0x200))
1704                   && (((reg & 0x00ff) == 0x53)
1705                    || ((reg & 0x00ff) == 0x55));
1706         w83627hf_set_bank(data, reg);
1707         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1708         if (word_sized) {
1709                 outb_p(value >> 8,
1710                        data->addr + W83781D_DATA_REG_OFFSET);
1711                 outb_p((reg & 0xff) + 1,
1712                        data->addr + W83781D_ADDR_REG_OFFSET);
1713         }
1714         outb_p(value & 0xff,
1715                data->addr + W83781D_DATA_REG_OFFSET);
1716         w83627hf_reset_bank(data, reg);
1717         mutex_unlock(&data->lock);
1718         return 0;
1719 }
1720
1721 static void w83627hf_init_device(struct platform_device *pdev)
1722 {
1723         struct w83627hf_data *data = platform_get_drvdata(pdev);
1724         int i;
1725         enum chips type = data->type;
1726         u8 tmp;
1727
1728         /* Minimize conflicts with other winbond i2c-only clients...  */
1729         /* disable i2c subclients... how to disable main i2c client?? */
1730         /* force i2c address to relatively uncommon address */
1731         if (type == w83627hf) {
1732                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1733                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1734         }
1735
1736         /* Read VID only once */
1737         if (type == w83627hf || type == w83637hf) {
1738                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1739                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1740                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1741         } else if (type == w83627thf) {
1742                 data->vid = w83627thf_read_gpio5(pdev);
1743         } else if (type == w83687thf) {
1744                 data->vid = w83687thf_read_vid(pdev);
1745         }
1746
1747         /* Read VRM & OVT Config only once */
1748         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1749                 data->vrm_ovt = 
1750                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1751         }
1752
1753         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1754         for (i = 1; i <= 3; i++) {
1755                 if (!(tmp & BIT_SCFG1[i - 1])) {
1756                         data->sens[i - 1] = 4;
1757                 } else {
1758                         if (w83627hf_read_value
1759                             (data,
1760                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1761                                 data->sens[i - 1] = 1;
1762                         else
1763                                 data->sens[i - 1] = 2;
1764                 }
1765                 if ((type == w83697hf) && (i == 2))
1766                         break;
1767         }
1768
1769         if(init) {
1770                 /* Enable temp2 */
1771                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1772                 if (tmp & 0x01) {
1773                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1774                                  "might not make sense\n");
1775                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1776                                 tmp & 0xfe);
1777                 }
1778
1779                 /* Enable temp3 */
1780                 if (type != w83697hf) {
1781                         tmp = w83627hf_read_value(data,
1782                                 W83627HF_REG_TEMP3_CONFIG);
1783                         if (tmp & 0x01) {
1784                                 dev_warn(&pdev->dev, "Enabling temp3, "
1785                                          "readings might not make sense\n");
1786                                 w83627hf_write_value(data,
1787                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1788                         }
1789                 }
1790         }
1791
1792         /* Start monitoring */
1793         w83627hf_write_value(data, W83781D_REG_CONFIG,
1794                             (w83627hf_read_value(data,
1795                                                 W83781D_REG_CONFIG) & 0xf7)
1796                             | 0x01);
1797
1798         /* Enable VBAT monitoring if needed */
1799         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1800         if (!(tmp & 0x01))
1801                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1802 }
1803
1804 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1805 {
1806         int reg;
1807
1808         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1809         data->fan_div[0] = (reg >> 4) & 0x03;
1810         data->fan_div[1] = (reg >> 6) & 0x03;
1811         if (data->type != w83697hf) {
1812                 data->fan_div[2] = (w83627hf_read_value(data,
1813                                        W83781D_REG_PIN) >> 6) & 0x03;
1814         }
1815         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1816         data->fan_div[0] |= (reg >> 3) & 0x04;
1817         data->fan_div[1] |= (reg >> 4) & 0x04;
1818         if (data->type != w83697hf)
1819                 data->fan_div[2] |= (reg >> 5) & 0x04;
1820 }
1821
1822 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1823 {
1824         struct w83627hf_data *data = dev_get_drvdata(dev);
1825         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1826         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1827
1828         mutex_lock(&data->update_lock);
1829
1830         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1831             || !data->valid) {
1832                 for (i = 0; i <= 8; i++) {
1833                         /* skip missing sensors */
1834                         if (((data->type == w83697hf) && (i == 1)) ||
1835                             ((data->type != w83627hf && data->type != w83697hf)
1836                             && (i == 5 || i == 6)))
1837                                 continue;
1838                         data->in[i] =
1839                             w83627hf_read_value(data, W83781D_REG_IN(i));
1840                         data->in_min[i] =
1841                             w83627hf_read_value(data,
1842                                                W83781D_REG_IN_MIN(i));
1843                         data->in_max[i] =
1844                             w83627hf_read_value(data,
1845                                                W83781D_REG_IN_MAX(i));
1846                 }
1847                 for (i = 0; i <= 2; i++) {
1848                         data->fan[i] =
1849                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1850                         data->fan_min[i] =
1851                             w83627hf_read_value(data,
1852                                                W83627HF_REG_FAN_MIN(i));
1853                 }
1854                 for (i = 0; i <= 2; i++) {
1855                         u8 tmp = w83627hf_read_value(data,
1856                                 W836X7HF_REG_PWM(data->type, i));
1857                         /* bits 0-3 are reserved  in 627THF */
1858                         if (data->type == w83627thf)
1859                                 tmp &= 0xf0;
1860                         data->pwm[i] = tmp;
1861                         if (i == 1 &&
1862                             (data->type == w83627hf || data->type == w83697hf))
1863                                 break;
1864                 }
1865                 if (data->type == w83627hf) {
1866                                 u8 tmp = w83627hf_read_value(data,
1867                                                 W83627HF_REG_PWM_FREQ);
1868                                 data->pwm_freq[0] = tmp & 0x07;
1869                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1870                 } else if (data->type != w83627thf) {
1871                         for (i = 1; i <= 3; i++) {
1872                                 data->pwm_freq[i - 1] =
1873                                         w83627hf_read_value(data,
1874                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1875                                 if (i == 2 && (data->type == w83697hf))
1876                                         break;
1877                         }
1878                 }
1879                 if (data->type != w83627hf) {
1880                         for (i = 0; i < num_pwms; i++) {
1881                                 u8 tmp = w83627hf_read_value(data,
1882                                         W83627THF_REG_PWM_ENABLE[i]);
1883                                 data->pwm_enable[i] =
1884                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1885                                         & 0x03) + 1;
1886                         }
1887                 }
1888                 for (i = 0; i < num_temps; i++) {
1889                         data->temp[i] = w83627hf_read_value(
1890                                                 data, w83627hf_reg_temp[i]);
1891                         data->temp_max[i] = w83627hf_read_value(
1892                                                 data, w83627hf_reg_temp_over[i]);
1893                         data->temp_max_hyst[i] = w83627hf_read_value(
1894                                                 data, w83627hf_reg_temp_hyst[i]);
1895                 }
1896
1897                 w83627hf_update_fan_div(data);
1898
1899                 data->alarms =
1900                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1901                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1902                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1903                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1904                 data->beep_mask = (i << 8) |
1905                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1906                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1907                 data->last_updated = jiffies;
1908                 data->valid = 1;
1909         }
1910
1911         mutex_unlock(&data->update_lock);
1912
1913         return data;
1914 }
1915
1916 static int __init w83627hf_device_add(unsigned short address,
1917                                       const struct w83627hf_sio_data *sio_data)
1918 {
1919         struct resource res = {
1920                 .start  = address + WINB_REGION_OFFSET,
1921                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1922                 .name   = DRVNAME,
1923                 .flags  = IORESOURCE_IO,
1924         };
1925         int err;
1926
1927         err = acpi_check_resource_conflict(&res);
1928         if (err)
1929                 goto exit;
1930
1931         pdev = platform_device_alloc(DRVNAME, address);
1932         if (!pdev) {
1933                 err = -ENOMEM;
1934                 pr_err("Device allocation failed\n");
1935                 goto exit;
1936         }
1937
1938         err = platform_device_add_resources(pdev, &res, 1);
1939         if (err) {
1940                 pr_err("Device resource addition failed (%d)\n", err);
1941                 goto exit_device_put;
1942         }
1943
1944         err = platform_device_add_data(pdev, sio_data,
1945                                        sizeof(struct w83627hf_sio_data));
1946         if (err) {
1947                 pr_err("Platform data allocation failed\n");
1948                 goto exit_device_put;
1949         }
1950
1951         err = platform_device_add(pdev);
1952         if (err) {
1953                 pr_err("Device addition failed (%d)\n", err);
1954                 goto exit_device_put;
1955         }
1956
1957         return 0;
1958
1959 exit_device_put:
1960         platform_device_put(pdev);
1961 exit:
1962         return err;
1963 }
1964
1965 static int __init sensors_w83627hf_init(void)
1966 {
1967         int err;
1968         unsigned short address;
1969         struct w83627hf_sio_data sio_data;
1970
1971         if (w83627hf_find(0x2e, &address, &sio_data)
1972          && w83627hf_find(0x4e, &address, &sio_data))
1973                 return -ENODEV;
1974
1975         err = platform_driver_register(&w83627hf_driver);
1976         if (err)
1977                 goto exit;
1978
1979         /* Sets global pdev as a side effect */
1980         err = w83627hf_device_add(address, &sio_data);
1981         if (err)
1982                 goto exit_driver;
1983
1984         return 0;
1985
1986 exit_driver:
1987         platform_driver_unregister(&w83627hf_driver);
1988 exit:
1989         return err;
1990 }
1991
1992 static void __exit sensors_w83627hf_exit(void)
1993 {
1994         platform_device_unregister(pdev);
1995         platform_driver_unregister(&w83627hf_driver);
1996 }
1997
1998 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1999               "Philip Edelbrock <phil@netroedge.com>, "
2000               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2001 MODULE_DESCRIPTION("W83627HF driver");
2002 MODULE_LICENSE("GPL");
2003
2004 module_init(sensors_w83627hf_init);
2005 module_exit(sensors_w83627hf_exit);