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Linux/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 - 1012  Jean Delvare <jdelvare@suse.de>
  9  *
 10  * This program is free software; you can redistribute it and/or modify
 11  * it under the terms of the GNU General Public License as published by
 12  * the Free Software Foundation; either version 2 of the License, or
 13  * (at your option) any later version.
 14  *
 15  * This program is distributed in the hope that it will be useful,
 16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18  * GNU General Public License for more details.
 19  *
 20  * You should have received a copy of the GNU General Public License
 21  * along with this program; if not, write to the Free Software
 22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 23  */
 24 
 25 /*
 26  * Supports following chips:
 27  *
 28  * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
 29  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
 30  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
 31  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
 32  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
 33  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
 34  *
 35  * For other winbond chips, and for i2c support in the above chips,
 36  * use w83781d.c.
 37  *
 38  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
 39  * supported yet.
 40  */
 41 
 42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 43 
 44 #include <linux/module.h>
 45 #include <linux/init.h>
 46 #include <linux/slab.h>
 47 #include <linux/jiffies.h>
 48 #include <linux/platform_device.h>
 49 #include <linux/hwmon.h>
 50 #include <linux/hwmon-sysfs.h>
 51 #include <linux/hwmon-vid.h>
 52 #include <linux/err.h>
 53 #include <linux/mutex.h>
 54 #include <linux/ioport.h>
 55 #include <linux/acpi.h>
 56 #include <linux/io.h>
 57 #include "lm75.h"
 58 
 59 static struct platform_device *pdev;
 60 
 61 #define DRVNAME "w83627hf"
 62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
 63 
 64 struct w83627hf_sio_data {
 65         enum chips type;
 66         int sioaddr;
 67 };
 68 
 69 static u8 force_i2c = 0x1f;
 70 module_param(force_i2c, byte, 0);
 71 MODULE_PARM_DESC(force_i2c,
 72                  "Initialize the i2c address of the sensors");
 73 
 74 static bool init = 1;
 75 module_param(init, bool, 0);
 76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
 77 
 78 static unsigned short force_id;
 79 module_param(force_id, ushort, 0);
 80 MODULE_PARM_DESC(force_id, "Override the detected device ID");
 81 
 82 /* modified from kernel/include/traps.c */
 83 #define DEV                     0x07 /* Register: Logical device select */
 84 
 85 /* logical device numbers for superio_select (below) */
 86 #define W83627HF_LD_FDC         0x00
 87 #define W83627HF_LD_PRT         0x01
 88 #define W83627HF_LD_UART1       0x02
 89 #define W83627HF_LD_UART2       0x03
 90 #define W83627HF_LD_KBC         0x05
 91 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
 92 #define W83627HF_LD_GAME        0x07
 93 #define W83627HF_LD_MIDI        0x07
 94 #define W83627HF_LD_GPIO1       0x07
 95 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
 96 #define W83627HF_LD_GPIO2       0x08
 97 #define W83627HF_LD_GPIO3       0x09
 98 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
 99 #define W83627HF_LD_ACPI        0x0a
100 #define W83627HF_LD_HWM         0x0b
101 
102 #define DEVID                   0x20 /* Register: Device ID */
103 
104 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
105 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
106 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
107 
108 #define W83687THF_VID_EN        0x29 /* w83687thf only */
109 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
110 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
111 
112 static inline void
113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
114 {
115         outb(reg, sio->sioaddr);
116         outb(val, sio->sioaddr + 1);
117 }
118 
119 static inline int
120 superio_inb(struct w83627hf_sio_data *sio, int reg)
121 {
122         outb(reg, sio->sioaddr);
123         return inb(sio->sioaddr + 1);
124 }
125 
126 static inline void
127 superio_select(struct w83627hf_sio_data *sio, int ld)
128 {
129         outb(DEV, sio->sioaddr);
130         outb(ld,  sio->sioaddr + 1);
131 }
132 
133 static inline void
134 superio_enter(struct w83627hf_sio_data *sio)
135 {
136         outb(0x87, sio->sioaddr);
137         outb(0x87, sio->sioaddr);
138 }
139 
140 static inline void
141 superio_exit(struct w83627hf_sio_data *sio)
142 {
143         outb(0xAA, sio->sioaddr);
144 }
145 
146 #define W627_DEVID 0x52
147 #define W627THF_DEVID 0x82
148 #define W697_DEVID 0x60
149 #define W637_DEVID 0x70
150 #define W687THF_DEVID 0x85
151 #define WINB_ACT_REG 0x30
152 #define WINB_BASE_REG 0x60
153 /* Constants specified below */
154 
155 /* Alignment of the base address */
156 #define WINB_ALIGNMENT          ~7
157 
158 /* Offset & size of I/O region we are interested in */
159 #define WINB_REGION_OFFSET      5
160 #define WINB_REGION_SIZE        2
161 
162 /* Where are the sensors address/data registers relative to the region offset */
163 #define W83781D_ADDR_REG_OFFSET 0
164 #define W83781D_DATA_REG_OFFSET 1
165 
166 /* The W83781D registers */
167 /* The W83782D registers for nr=7,8 are in bank 5 */
168 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
169                                            (0x554 + (((nr) - 7) * 2)))
170 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
171                                            (0x555 + (((nr) - 7) * 2)))
172 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
173                                            (0x550 + (nr) - 7))
174 
175 /* nr:0-2 for fans:1-3 */
176 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
177 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
178 
179 #define W83627HF_REG_TEMP2_CONFIG 0x152
180 #define W83627HF_REG_TEMP3_CONFIG 0x252
181 /* these are zero-based, unlike config constants above */
182 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
183 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
184 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
185 
186 #define W83781D_REG_BANK 0x4E
187 
188 #define W83781D_REG_CONFIG 0x40
189 #define W83781D_REG_ALARM1 0x459
190 #define W83781D_REG_ALARM2 0x45A
191 #define W83781D_REG_ALARM3 0x45B
192 
193 #define W83781D_REG_BEEP_CONFIG 0x4D
194 #define W83781D_REG_BEEP_INTS1 0x56
195 #define W83781D_REG_BEEP_INTS2 0x57
196 #define W83781D_REG_BEEP_INTS3 0x453
197 
198 #define W83781D_REG_VID_FANDIV 0x47
199 
200 #define W83781D_REG_CHIPID 0x49
201 #define W83781D_REG_WCHIPID 0x58
202 #define W83781D_REG_CHIPMAN 0x4F
203 #define W83781D_REG_PIN 0x4B
204 
205 #define W83781D_REG_VBAT 0x5D
206 
207 #define W83627HF_REG_PWM1 0x5A
208 #define W83627HF_REG_PWM2 0x5B
209 
210 static const u8 W83627THF_REG_PWM_ENABLE[] = {
211         0x04,           /* FAN 1 mode */
212         0x04,           /* FAN 2 mode */
213         0x12,           /* FAN AUX mode */
214 };
215 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
216 
217 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
218 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
219 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
220 
221 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
222 
223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
224 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
225                              W83627THF_REG_PWM3 };
226 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
227                                     regpwm_627hf[nr] : regpwm[nr])
228 
229 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
230 
231 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
232 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
233 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
234 
235 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
236                                         W83637HF_REG_PWM_FREQ2,
237                                         W83637HF_REG_PWM_FREQ3 };
238 
239 #define W83627HF_BASE_PWM_FREQ  46870
240 
241 #define W83781D_REG_I2C_ADDR 0x48
242 #define W83781D_REG_I2C_SUBADDR 0x4A
243 
244 /* Sensor selection */
245 #define W83781D_REG_SCFG1 0x5D
246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
247 #define W83781D_REG_SCFG2 0x59
248 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
249 #define W83781D_DEFAULT_BETA 3435
250 
251 /*
252  * Conversions. Limit checking is only done on the TO_REG
253  * variants. Note that you should be a bit careful with which arguments
254  * these macros are called: arguments may be evaluated more than once.
255  * Fixing this is just not worth it.
256  */
257 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
258 #define IN_FROM_REG(val) ((val) * 16)
259 
260 static inline u8 FAN_TO_REG(long rpm, int div)
261 {
262         if (rpm == 0)
263                 return 255;
264         rpm = clamp_val(rpm, 1, 1000000);
265         return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
266 }
267 
268 #define TEMP_MIN (-128000)
269 #define TEMP_MAX ( 127000)
270 
271 /*
272  * TEMP: 0.001C/bit (-128C to +127C)
273  * REG: 1C/bit, two's complement
274  */
275 static u8 TEMP_TO_REG(long temp)
276 {
277         int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
278         ntemp += (ntemp < 0 ? -500 : 500);
279         return (u8)(ntemp / 1000);
280 }
281 
282 static int TEMP_FROM_REG(u8 reg)
283 {
284         return (s8)reg * 1000;
285 }
286 
287 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
288 
289 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
290 
291 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
292 {
293         unsigned long freq;
294         freq = W83627HF_BASE_PWM_FREQ >> reg;
295         return freq;
296 }
297 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
298 {
299         u8 i;
300         /*
301          * Only 5 dividers (1 2 4 8 16)
302          * Search for the nearest available frequency
303          */
304         for (i = 0; i < 4; i++) {
305                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
306                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
307                         break;
308         }
309         return i;
310 }
311 
312 static inline unsigned long pwm_freq_from_reg(u8 reg)
313 {
314         /* Clock bit 8 -> 180 kHz or 24 MHz */
315         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
316 
317         reg &= 0x7f;
318         /* This should not happen but anyway... */
319         if (reg == 0)
320                 reg++;
321         return clock / (reg << 8);
322 }
323 static inline u8 pwm_freq_to_reg(unsigned long val)
324 {
325         /* Minimum divider value is 0x01 and maximum is 0x7F */
326         if (val >= 93750)       /* The highest we can do */
327                 return 0x01;
328         if (val >= 720) /* Use 24 MHz clock */
329                 return 24000000UL / (val << 8);
330         if (val < 6)            /* The lowest we can do */
331                 return 0xFF;
332         else                    /* Use 180 kHz clock */
333                 return 0x80 | (180000UL / (val << 8));
334 }
335 
336 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
337 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
338 
339 #define DIV_FROM_REG(val) (1 << (val))
340 
341 static inline u8 DIV_TO_REG(long val)
342 {
343         int i;
344         val = clamp_val(val, 1, 128) >> 1;
345         for (i = 0; i < 7; i++) {
346                 if (val == 0)
347                         break;
348                 val >>= 1;
349         }
350         return (u8)i;
351 }
352 
353 /*
354  * For each registered chip, we need to keep some data in memory.
355  * The structure is dynamically allocated.
356  */
357 struct w83627hf_data {
358         unsigned short addr;
359         const char *name;
360         struct device *hwmon_dev;
361         struct mutex lock;
362         enum chips type;
363 
364         struct mutex update_lock;
365         char valid;             /* !=0 if following fields are valid */
366         unsigned long last_updated;     /* In jiffies */
367 
368         u8 in[9];               /* Register value */
369         u8 in_max[9];           /* Register value */
370         u8 in_min[9];           /* Register value */
371         u8 fan[3];              /* Register value */
372         u8 fan_min[3];          /* Register value */
373         u16 temp[3];            /* Register value */
374         u16 temp_max[3];        /* Register value */
375         u16 temp_max_hyst[3];   /* Register value */
376         u8 fan_div[3];          /* Register encoding, shifted right */
377         u8 vid;                 /* Register encoding, combined */
378         u32 alarms;             /* Register encoding, combined */
379         u32 beep_mask;          /* Register encoding, combined */
380         u8 pwm[3];              /* Register value */
381         u8 pwm_enable[3];       /* 1 = manual
382                                  * 2 = thermal cruise (also called SmartFan I)
383                                  * 3 = fan speed cruise
384                                  */
385         u8 pwm_freq[3];         /* Register value */
386         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
387                                  * 4 = thermistor
388                                  */
389         u8 vrm;
390         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
391 
392 #ifdef CONFIG_PM
393         /* Remember extra register values over suspend/resume */
394         u8 scfg1;
395         u8 scfg2;
396 #endif
397 };
398 
399 
400 static int w83627hf_probe(struct platform_device *pdev);
401 static int w83627hf_remove(struct platform_device *pdev);
402 
403 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
404 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
405 static void w83627hf_update_fan_div(struct w83627hf_data *data);
406 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
407 static void w83627hf_init_device(struct platform_device *pdev);
408 
409 #ifdef CONFIG_PM
410 static int w83627hf_suspend(struct device *dev)
411 {
412         struct w83627hf_data *data = w83627hf_update_device(dev);
413 
414         mutex_lock(&data->update_lock);
415         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
416         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
417         mutex_unlock(&data->update_lock);
418 
419         return 0;
420 }
421 
422 static int w83627hf_resume(struct device *dev)
423 {
424         struct w83627hf_data *data = dev_get_drvdata(dev);
425         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
426 
427         /* Restore limits */
428         mutex_lock(&data->update_lock);
429         for (i = 0; i <= 8; i++) {
430                 /* skip missing sensors */
431                 if (((data->type == w83697hf) && (i == 1)) ||
432                     ((data->type != w83627hf && data->type != w83697hf)
433                     && (i == 5 || i == 6)))
434                         continue;
435                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
436                                      data->in_max[i]);
437                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
438                                      data->in_min[i]);
439         }
440         for (i = 0; i <= 2; i++)
441                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
442                                      data->fan_min[i]);
443         for (i = 0; i < num_temps; i++) {
444                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
445                                      data->temp_max[i]);
446                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
447                                      data->temp_max_hyst[i]);
448         }
449 
450         /* Fixup BIOS bugs */
451         if (data->type == w83627thf || data->type == w83637hf ||
452             data->type == w83687thf)
453                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
454                                      data->vrm_ovt);
455         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
456         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
457 
458         /* Force re-reading all values */
459         data->valid = 0;
460         mutex_unlock(&data->update_lock);
461 
462         return 0;
463 }
464 
465 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
466         .suspend = w83627hf_suspend,
467         .resume = w83627hf_resume,
468 };
469 
470 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
471 #else
472 #define W83627HF_DEV_PM_OPS     NULL
473 #endif /* CONFIG_PM */
474 
475 static struct platform_driver w83627hf_driver = {
476         .driver = {
477                 .owner  = THIS_MODULE,
478                 .name   = DRVNAME,
479                 .pm     = W83627HF_DEV_PM_OPS,
480         },
481         .probe          = w83627hf_probe,
482         .remove         = w83627hf_remove,
483 };
484 
485 static ssize_t
486 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
487 {
488         int nr = to_sensor_dev_attr(devattr)->index;
489         struct w83627hf_data *data = w83627hf_update_device(dev);
490         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
491 }
492 static ssize_t
493 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
494 {
495         int nr = to_sensor_dev_attr(devattr)->index;
496         struct w83627hf_data *data = w83627hf_update_device(dev);
497         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
498 }
499 static ssize_t
500 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
501 {
502         int nr = to_sensor_dev_attr(devattr)->index;
503         struct w83627hf_data *data = w83627hf_update_device(dev);
504         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
505 }
506 static ssize_t
507 store_in_min(struct device *dev, struct device_attribute *devattr,
508              const char *buf, size_t count)
509 {
510         int nr = to_sensor_dev_attr(devattr)->index;
511         struct w83627hf_data *data = dev_get_drvdata(dev);
512         long val;
513         int err;
514 
515         err = kstrtol(buf, 10, &val);
516         if (err)
517                 return err;
518 
519         mutex_lock(&data->update_lock);
520         data->in_min[nr] = IN_TO_REG(val);
521         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
522         mutex_unlock(&data->update_lock);
523         return count;
524 }
525 static ssize_t
526 store_in_max(struct device *dev, struct device_attribute *devattr,
527              const char *buf, size_t count)
528 {
529         int nr = to_sensor_dev_attr(devattr)->index;
530         struct w83627hf_data *data = dev_get_drvdata(dev);
531         long val;
532         int err;
533 
534         err = kstrtol(buf, 10, &val);
535         if (err)
536                 return err;
537 
538         mutex_lock(&data->update_lock);
539         data->in_max[nr] = IN_TO_REG(val);
540         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
541         mutex_unlock(&data->update_lock);
542         return count;
543 }
544 #define sysfs_vin_decl(offset) \
545 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
546                           show_in_input, NULL, offset);         \
547 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
548                           show_in_min, store_in_min, offset);   \
549 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
550                           show_in_max, store_in_max, offset);
551 
552 sysfs_vin_decl(1);
553 sysfs_vin_decl(2);
554 sysfs_vin_decl(3);
555 sysfs_vin_decl(4);
556 sysfs_vin_decl(5);
557 sysfs_vin_decl(6);
558 sysfs_vin_decl(7);
559 sysfs_vin_decl(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 show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
580 {
581         struct w83627hf_data *data = w83627hf_update_device(dev);
582         return show_in_0(data, buf, data->in[0]);
583 }
584 
585 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
586 {
587         struct w83627hf_data *data = w83627hf_update_device(dev);
588         return show_in_0(data, buf, data->in_min[0]);
589 }
590 
591 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
592 {
593         struct w83627hf_data *data = w83627hf_update_device(dev);
594         return show_in_0(data, buf, data->in_max[0]);
595 }
596 
597 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
598         const char *buf, size_t count)
599 {
600         struct w83627hf_data *data = dev_get_drvdata(dev);
601         unsigned long val;
602         int err;
603 
604         err = kstrtoul(buf, 10, &val);
605         if (err)
606                 return err;
607 
608         mutex_lock(&data->update_lock);
609         
610         if ((data->vrm_ovt & 0x01) &&
611                 (w83627thf == data->type || w83637hf == data->type
612                  || w83687thf == data->type))
613 
614                 /* use VRM9 calculation */
615                 data->in_min[0] =
616                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
617         else
618                 /* use VRM8 (standard) calculation */
619                 data->in_min[0] = IN_TO_REG(val);
620 
621         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
622         mutex_unlock(&data->update_lock);
623         return count;
624 }
625 
626 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
627         const char *buf, size_t count)
628 {
629         struct w83627hf_data *data = dev_get_drvdata(dev);
630         unsigned long val;
631         int err;
632 
633         err = kstrtoul(buf, 10, &val);
634         if (err)
635                 return err;
636 
637         mutex_lock(&data->update_lock);
638 
639         if ((data->vrm_ovt & 0x01) &&
640                 (w83627thf == data->type || w83637hf == data->type
641                  || w83687thf == data->type))
642                 
643                 /* use VRM9 calculation */
644                 data->in_max[0] =
645                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
646         else
647                 /* use VRM8 (standard) calculation */
648                 data->in_max[0] = IN_TO_REG(val);
649 
650         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
651         mutex_unlock(&data->update_lock);
652         return count;
653 }
654 
655 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
656 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
657         show_regs_in_min0, store_regs_in_min0);
658 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
659         show_regs_in_max0, store_regs_in_max0);
660 
661 static ssize_t
662 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
663 {
664         int nr = to_sensor_dev_attr(devattr)->index;
665         struct w83627hf_data *data = w83627hf_update_device(dev);
666         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
667                                 (long)DIV_FROM_REG(data->fan_div[nr])));
668 }
669 static ssize_t
670 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
671 {
672         int nr = to_sensor_dev_attr(devattr)->index;
673         struct w83627hf_data *data = w83627hf_update_device(dev);
674         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
675                                 (long)DIV_FROM_REG(data->fan_div[nr])));
676 }
677 static ssize_t
678 store_fan_min(struct device *dev, struct device_attribute *devattr,
679               const char *buf, size_t count)
680 {
681         int nr = to_sensor_dev_attr(devattr)->index;
682         struct w83627hf_data *data = dev_get_drvdata(dev);
683         unsigned long val;
684         int err;
685 
686         err = kstrtoul(buf, 10, &val);
687         if (err)
688                 return err;
689 
690         mutex_lock(&data->update_lock);
691         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
692         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
693                              data->fan_min[nr]);
694 
695         mutex_unlock(&data->update_lock);
696         return count;
697 }
698 #define sysfs_fan_decl(offset)  \
699 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
700                           show_fan_input, NULL, offset - 1);            \
701 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
702                           show_fan_min, store_fan_min, offset - 1);
703 
704 sysfs_fan_decl(1);
705 sysfs_fan_decl(2);
706 sysfs_fan_decl(3);
707 
708 static ssize_t
709 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
710 {
711         int nr = to_sensor_dev_attr(devattr)->index;
712         struct w83627hf_data *data = w83627hf_update_device(dev);
713 
714         u16 tmp = data->temp[nr];
715         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
716                                           : (long) TEMP_FROM_REG(tmp));
717 }
718 
719 static ssize_t
720 show_temp_max(struct device *dev, struct device_attribute *devattr,
721               char *buf)
722 {
723         int nr = to_sensor_dev_attr(devattr)->index;
724         struct w83627hf_data *data = w83627hf_update_device(dev);
725 
726         u16 tmp = data->temp_max[nr];
727         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
728                                           : (long) TEMP_FROM_REG(tmp));
729 }
730 
731 static ssize_t
732 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
733                    char *buf)
734 {
735         int nr = to_sensor_dev_attr(devattr)->index;
736         struct w83627hf_data *data = w83627hf_update_device(dev);
737 
738         u16 tmp = data->temp_max_hyst[nr];
739         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
740                                           : (long) TEMP_FROM_REG(tmp));
741 }
742 
743 static ssize_t
744 store_temp_max(struct device *dev, struct device_attribute *devattr,
745                const char *buf, size_t count)
746 {
747         int nr = to_sensor_dev_attr(devattr)->index;
748         struct w83627hf_data *data = dev_get_drvdata(dev);
749         u16 tmp;
750         long val;
751         int err;
752 
753         err = kstrtol(buf, 10, &val);
754         if (err)
755                 return err;
756 
757         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
758         mutex_lock(&data->update_lock);
759         data->temp_max[nr] = tmp;
760         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
761         mutex_unlock(&data->update_lock);
762         return count;
763 }
764 
765 static ssize_t
766 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
767                     const char *buf, size_t count)
768 {
769         int nr = to_sensor_dev_attr(devattr)->index;
770         struct w83627hf_data *data = dev_get_drvdata(dev);
771         u16 tmp;
772         long val;
773         int err;
774 
775         err = kstrtol(buf, 10, &val);
776         if (err)
777                 return err;
778 
779         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
780         mutex_lock(&data->update_lock);
781         data->temp_max_hyst[nr] = tmp;
782         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
783         mutex_unlock(&data->update_lock);
784         return count;
785 }
786 
787 #define sysfs_temp_decl(offset) \
788 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
789                           show_temp, NULL, offset - 1);                 \
790 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
791                           show_temp_max, store_temp_max, offset - 1);   \
792 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
793                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
794 
795 sysfs_temp_decl(1);
796 sysfs_temp_decl(2);
797 sysfs_temp_decl(3);
798 
799 static ssize_t
800 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
801 {
802         struct w83627hf_data *data = w83627hf_update_device(dev);
803         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
804 }
805 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
806 
807 static ssize_t
808 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
809 {
810         struct w83627hf_data *data = dev_get_drvdata(dev);
811         return sprintf(buf, "%ld\n", (long) data->vrm);
812 }
813 static ssize_t
814 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, 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(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
831 
832 static ssize_t
833 show_alarms_reg(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(alarms, S_IRUGO, show_alarms_reg, NULL);
839 
840 static ssize_t
841 show_alarm(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(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
848 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
849 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
850 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
851 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
852 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
853 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
854 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
855 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
856 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
857 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
858 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
859 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
860 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
861 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
862 
863 static ssize_t
864 show_beep_mask(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 store_beep_mask(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(beep_mask, S_IRUGO | S_IWUSR,
900                    show_beep_mask, store_beep_mask);
901 
902 static ssize_t
903 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
904 {
905         struct w83627hf_data *data = w83627hf_update_device(dev);
906         int bitnr = to_sensor_dev_attr(attr)->index;
907         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
908 }
909 
910 static ssize_t
911 store_beep(struct device *dev, struct device_attribute *attr,
912                 const char *buf, size_t count)
913 {
914         struct w83627hf_data *data = dev_get_drvdata(dev);
915         int bitnr = to_sensor_dev_attr(attr)->index;
916         u8 reg;
917         unsigned long bit;
918         int err;
919 
920         err = kstrtoul(buf, 10, &bit);
921         if (err)
922                 return err;
923 
924         if (bit & ~1)
925                 return -EINVAL;
926 
927         mutex_lock(&data->update_lock);
928         if (bit)
929                 data->beep_mask |= (1 << bitnr);
930         else
931                 data->beep_mask &= ~(1 << bitnr);
932 
933         if (bitnr < 8) {
934                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
935                 if (bit)
936                         reg |= (1 << bitnr);
937                 else
938                         reg &= ~(1 << bitnr);
939                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
940         } else if (bitnr < 16) {
941                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
942                 if (bit)
943                         reg |= (1 << (bitnr - 8));
944                 else
945                         reg &= ~(1 << (bitnr - 8));
946                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
947         } else {
948                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
949                 if (bit)
950                         reg |= (1 << (bitnr - 16));
951                 else
952                         reg &= ~(1 << (bitnr - 16));
953                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
954         }
955         mutex_unlock(&data->update_lock);
956 
957         return count;
958 }
959 
960 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
961                         show_beep, store_beep, 0);
962 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
963                         show_beep, store_beep, 1);
964 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
965                         show_beep, store_beep, 2);
966 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
967                         show_beep, store_beep, 3);
968 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
969                         show_beep, store_beep, 8);
970 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
971                         show_beep, store_beep, 9);
972 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
973                         show_beep, store_beep, 10);
974 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
975                         show_beep, store_beep, 16);
976 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
977                         show_beep, store_beep, 17);
978 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
979                         show_beep, store_beep, 6);
980 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
981                         show_beep, store_beep, 7);
982 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
983                         show_beep, store_beep, 11);
984 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
985                         show_beep, store_beep, 4);
986 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
987                         show_beep, store_beep, 5);
988 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
989                         show_beep, store_beep, 13);
990 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
991                         show_beep, store_beep, 15);
992 
993 static ssize_t
994 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
995 {
996         int nr = to_sensor_dev_attr(devattr)->index;
997         struct w83627hf_data *data = w83627hf_update_device(dev);
998         return sprintf(buf, "%ld\n",
999                        (long) DIV_FROM_REG(data->fan_div[nr]));
1000 }
1001 /*
1002  * Note: we save and restore the fan minimum here, because its value is
1003  * determined in part by the fan divisor.  This follows the principle of
1004  * least surprise; the user doesn't expect the fan minimum to change just
1005  * because the divisor changed.
1006  */
1007 static ssize_t
1008 store_fan_div(struct device *dev, struct device_attribute *devattr,
1009               const char *buf, size_t count)
1010 {
1011         int nr = to_sensor_dev_attr(devattr)->index;
1012         struct w83627hf_data *data = dev_get_drvdata(dev);
1013         unsigned long min;
1014         u8 reg;
1015         unsigned long val;
1016         int err;
1017 
1018         err = kstrtoul(buf, 10, &val);
1019         if (err)
1020                 return err;
1021 
1022         mutex_lock(&data->update_lock);
1023 
1024         /* Save fan_min */
1025         min = FAN_FROM_REG(data->fan_min[nr],
1026                            DIV_FROM_REG(data->fan_div[nr]));
1027 
1028         data->fan_div[nr] = DIV_TO_REG(val);
1029 
1030         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1031                & (nr==0 ? 0xcf : 0x3f))
1032             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1033         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1034 
1035         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1036                & ~(1 << (5 + nr)))
1037             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1038         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1039 
1040         /* Restore fan_min */
1041         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1042         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1043 
1044         mutex_unlock(&data->update_lock);
1045         return count;
1046 }
1047 
1048 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1049                           show_fan_div, store_fan_div, 0);
1050 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1051                           show_fan_div, store_fan_div, 1);
1052 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1053                           show_fan_div, store_fan_div, 2);
1054 
1055 static ssize_t
1056 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1057 {
1058         int nr = to_sensor_dev_attr(devattr)->index;
1059         struct w83627hf_data *data = w83627hf_update_device(dev);
1060         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1061 }
1062 
1063 static ssize_t
1064 store_pwm(struct device *dev, struct device_attribute *devattr,
1065           const char *buf, size_t count)
1066 {
1067         int nr = to_sensor_dev_attr(devattr)->index;
1068         struct w83627hf_data *data = dev_get_drvdata(dev);
1069         unsigned long val;
1070         int err;
1071 
1072         err = kstrtoul(buf, 10, &val);
1073         if (err)
1074                 return err;
1075 
1076         mutex_lock(&data->update_lock);
1077 
1078         if (data->type == w83627thf) {
1079                 /* bits 0-3 are reserved  in 627THF */
1080                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1081                 w83627hf_write_value(data,
1082                                      W836X7HF_REG_PWM(data->type, nr),
1083                                      data->pwm[nr] |
1084                                      (w83627hf_read_value(data,
1085                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1086         } else {
1087                 data->pwm[nr] = PWM_TO_REG(val);
1088                 w83627hf_write_value(data,
1089                                      W836X7HF_REG_PWM(data->type, nr),
1090                                      data->pwm[nr]);
1091         }
1092 
1093         mutex_unlock(&data->update_lock);
1094         return count;
1095 }
1096 
1097 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1098 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1099 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1100 
1101 static ssize_t
1102 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1103 {
1104         int nr = to_sensor_dev_attr(devattr)->index;
1105         struct w83627hf_data *data = w83627hf_update_device(dev);
1106         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1107 }
1108 
1109 static ssize_t
1110 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1111           const char *buf, size_t count)
1112 {
1113         int nr = to_sensor_dev_attr(devattr)->index;
1114         struct w83627hf_data *data = dev_get_drvdata(dev);
1115         u8 reg;
1116         unsigned long val;
1117         int err;
1118 
1119         err = kstrtoul(buf, 10, &val);
1120         if (err)
1121                 return err;
1122 
1123         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1124                 return -EINVAL;
1125         mutex_lock(&data->update_lock);
1126         data->pwm_enable[nr] = val;
1127         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1128         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1129         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1130         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1131         mutex_unlock(&data->update_lock);
1132         return count;
1133 }
1134 
1135 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1136                                                   store_pwm_enable, 0);
1137 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1138                                                   store_pwm_enable, 1);
1139 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1140                                                   store_pwm_enable, 2);
1141 
1142 static ssize_t
1143 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1144 {
1145         int nr = to_sensor_dev_attr(devattr)->index;
1146         struct w83627hf_data *data = w83627hf_update_device(dev);
1147         if (data->type == w83627hf)
1148                 return sprintf(buf, "%ld\n",
1149                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1150         else
1151                 return sprintf(buf, "%ld\n",
1152                         pwm_freq_from_reg(data->pwm_freq[nr]));
1153 }
1154 
1155 static ssize_t
1156 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1157                const char *buf, size_t count)
1158 {
1159         int nr = to_sensor_dev_attr(devattr)->index;
1160         struct w83627hf_data *data = dev_get_drvdata(dev);
1161         static const u8 mask[]={0xF8, 0x8F};
1162         unsigned long val;
1163         int err;
1164 
1165         err = kstrtoul(buf, 10, &val);
1166         if (err)
1167                 return err;
1168 
1169         mutex_lock(&data->update_lock);
1170 
1171         if (data->type == w83627hf) {
1172                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1173                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1174                                 (data->pwm_freq[nr] << (nr*4)) |
1175                                 (w83627hf_read_value(data,
1176                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1177         } else {
1178                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1179                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1180                                 data->pwm_freq[nr]);
1181         }
1182 
1183         mutex_unlock(&data->update_lock);
1184         return count;
1185 }
1186 
1187 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1188                           show_pwm_freq, store_pwm_freq, 0);
1189 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1190                           show_pwm_freq, store_pwm_freq, 1);
1191 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1192                           show_pwm_freq, store_pwm_freq, 2);
1193 
1194 static ssize_t
1195 show_temp_type(struct device *dev, struct device_attribute *devattr,
1196                char *buf)
1197 {
1198         int nr = to_sensor_dev_attr(devattr)->index;
1199         struct w83627hf_data *data = w83627hf_update_device(dev);
1200         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1201 }
1202 
1203 static ssize_t
1204 store_temp_type(struct device *dev, struct device_attribute *devattr,
1205                 const char *buf, size_t count)
1206 {
1207         int nr = to_sensor_dev_attr(devattr)->index;
1208         struct w83627hf_data *data = dev_get_drvdata(dev);
1209         unsigned long val;
1210         u32 tmp;
1211         int err;
1212 
1213         err = kstrtoul(buf, 10, &val);
1214         if (err)
1215                 return err;
1216 
1217         mutex_lock(&data->update_lock);
1218 
1219         switch (val) {
1220         case 1:         /* PII/Celeron diode */
1221                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1222                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1223                                     tmp | BIT_SCFG1[nr]);
1224                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1225                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1226                                     tmp | BIT_SCFG2[nr]);
1227                 data->sens[nr] = val;
1228                 break;
1229         case 2:         /* 3904 */
1230                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1231                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1232                                     tmp | BIT_SCFG1[nr]);
1233                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1234                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1235                                     tmp & ~BIT_SCFG2[nr]);
1236                 data->sens[nr] = val;
1237                 break;
1238         case W83781D_DEFAULT_BETA:
1239                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1240                          "instead\n", W83781D_DEFAULT_BETA);
1241                 /* fall through */
1242         case 4:         /* thermistor */
1243                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1244                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1245                                     tmp & ~BIT_SCFG1[nr]);
1246                 data->sens[nr] = val;
1247                 break;
1248         default:
1249                 dev_err(dev,
1250                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1251                        (long) val);
1252                 break;
1253         }
1254 
1255         mutex_unlock(&data->update_lock);
1256         return count;
1257 }
1258 
1259 #define sysfs_temp_type(offset) \
1260 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1261                           show_temp_type, store_temp_type, offset - 1);
1262 
1263 sysfs_temp_type(1);
1264 sysfs_temp_type(2);
1265 sysfs_temp_type(3);
1266 
1267 static ssize_t
1268 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1269 {
1270         struct w83627hf_data *data = dev_get_drvdata(dev);
1271 
1272         return sprintf(buf, "%s\n", data->name);
1273 }
1274 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1275 
1276 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1277                                 struct w83627hf_sio_data *sio_data)
1278 {
1279         int err = -ENODEV;
1280         u16 val;
1281 
1282         static __initconst char *const names[] = {
1283                 "W83627HF",
1284                 "W83627THF",
1285                 "W83697HF",
1286                 "W83637HF",
1287                 "W83687THF",
1288         };
1289 
1290         sio_data->sioaddr = sioaddr;
1291         superio_enter(sio_data);
1292         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1293         switch (val) {
1294         case W627_DEVID:
1295                 sio_data->type = w83627hf;
1296                 break;
1297         case W627THF_DEVID:
1298                 sio_data->type = w83627thf;
1299                 break;
1300         case W697_DEVID:
1301                 sio_data->type = w83697hf;
1302                 break;
1303         case W637_DEVID:
1304                 sio_data->type = w83637hf;
1305                 break;
1306         case W687THF_DEVID:
1307                 sio_data->type = w83687thf;
1308                 break;
1309         case 0xff:      /* No device at all */
1310                 goto exit;
1311         default:
1312                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1313                 goto exit;
1314         }
1315 
1316         superio_select(sio_data, W83627HF_LD_HWM);
1317         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1318                superio_inb(sio_data, WINB_BASE_REG + 1);
1319         *addr = val & WINB_ALIGNMENT;
1320         if (*addr == 0) {
1321                 pr_warn("Base address not set, skipping\n");
1322                 goto exit;
1323         }
1324 
1325         val = superio_inb(sio_data, WINB_ACT_REG);
1326         if (!(val & 0x01)) {
1327                 pr_warn("Enabling HWM logical device\n");
1328                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1329         }
1330 
1331         err = 0;
1332         pr_info(DRVNAME ": Found %s chip at %#x\n",
1333                 names[sio_data->type], *addr);
1334 
1335  exit:
1336         superio_exit(sio_data);
1337         return err;
1338 }
1339 
1340 #define VIN_UNIT_ATTRS(_X_)     \
1341         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1342         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1343         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1344         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1345         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1346 
1347 #define FAN_UNIT_ATTRS(_X_)     \
1348         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1349         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1350         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1351         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1352         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1353 
1354 #define TEMP_UNIT_ATTRS(_X_)    \
1355         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1356         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1357         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1358         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1359         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1360         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1361 
1362 static struct attribute *w83627hf_attributes[] = {
1363         &dev_attr_in0_input.attr,
1364         &dev_attr_in0_min.attr,
1365         &dev_attr_in0_max.attr,
1366         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1367         &sensor_dev_attr_in0_beep.dev_attr.attr,
1368         VIN_UNIT_ATTRS(2),
1369         VIN_UNIT_ATTRS(3),
1370         VIN_UNIT_ATTRS(4),
1371         VIN_UNIT_ATTRS(7),
1372         VIN_UNIT_ATTRS(8),
1373 
1374         FAN_UNIT_ATTRS(1),
1375         FAN_UNIT_ATTRS(2),
1376 
1377         TEMP_UNIT_ATTRS(1),
1378         TEMP_UNIT_ATTRS(2),
1379 
1380         &dev_attr_alarms.attr,
1381         &sensor_dev_attr_beep_enable.dev_attr.attr,
1382         &dev_attr_beep_mask.attr,
1383 
1384         &sensor_dev_attr_pwm1.dev_attr.attr,
1385         &sensor_dev_attr_pwm2.dev_attr.attr,
1386         &dev_attr_name.attr,
1387         NULL
1388 };
1389 
1390 static const struct attribute_group w83627hf_group = {
1391         .attrs = w83627hf_attributes,
1392 };
1393 
1394 static struct attribute *w83627hf_attributes_opt[] = {
1395         VIN_UNIT_ATTRS(1),
1396         VIN_UNIT_ATTRS(5),
1397         VIN_UNIT_ATTRS(6),
1398 
1399         FAN_UNIT_ATTRS(3),
1400         TEMP_UNIT_ATTRS(3),
1401         &sensor_dev_attr_pwm3.dev_attr.attr,
1402 
1403         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1404         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1405         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1406 
1407         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1408         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1409         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1410 
1411         NULL
1412 };
1413 
1414 static const struct attribute_group w83627hf_group_opt = {
1415         .attrs = w83627hf_attributes_opt,
1416 };
1417 
1418 static int w83627hf_probe(struct platform_device *pdev)
1419 {
1420         struct device *dev = &pdev->dev;
1421         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1422         struct w83627hf_data *data;
1423         struct resource *res;
1424         int err, i;
1425 
1426         static const char *names[] = {
1427                 "w83627hf",
1428                 "w83627thf",
1429                 "w83697hf",
1430                 "w83637hf",
1431                 "w83687thf",
1432         };
1433 
1434         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1435         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1436                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1437                         (unsigned long)res->start,
1438                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1439                 return -EBUSY;
1440         }
1441 
1442         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1443         if (!data)
1444                 return -ENOMEM;
1445 
1446         data->addr = res->start;
1447         data->type = sio_data->type;
1448         data->name = names[sio_data->type];
1449         mutex_init(&data->lock);
1450         mutex_init(&data->update_lock);
1451         platform_set_drvdata(pdev, data);
1452 
1453         /* Initialize the chip */
1454         w83627hf_init_device(pdev);
1455 
1456         /* A few vars need to be filled upon startup */
1457         for (i = 0; i <= 2; i++)
1458                 data->fan_min[i] = w83627hf_read_value(
1459                                         data, W83627HF_REG_FAN_MIN(i));
1460         w83627hf_update_fan_div(data);
1461 
1462         /* Register common device attributes */
1463         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1464         if (err)
1465                 return err;
1466 
1467         /* Register chip-specific device attributes */
1468         if (data->type == w83627hf || data->type == w83697hf)
1469                 if ((err = device_create_file(dev,
1470                                 &sensor_dev_attr_in5_input.dev_attr))
1471                  || (err = device_create_file(dev,
1472                                 &sensor_dev_attr_in5_min.dev_attr))
1473                  || (err = device_create_file(dev,
1474                                 &sensor_dev_attr_in5_max.dev_attr))
1475                  || (err = device_create_file(dev,
1476                                 &sensor_dev_attr_in5_alarm.dev_attr))
1477                  || (err = device_create_file(dev,
1478                                 &sensor_dev_attr_in5_beep.dev_attr))
1479                  || (err = device_create_file(dev,
1480                                 &sensor_dev_attr_in6_input.dev_attr))
1481                  || (err = device_create_file(dev,
1482                                 &sensor_dev_attr_in6_min.dev_attr))
1483                  || (err = device_create_file(dev,
1484                                 &sensor_dev_attr_in6_max.dev_attr))
1485                  || (err = device_create_file(dev,
1486                                 &sensor_dev_attr_in6_alarm.dev_attr))
1487                  || (err = device_create_file(dev,
1488                                 &sensor_dev_attr_in6_beep.dev_attr))
1489                  || (err = device_create_file(dev,
1490                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1491                  || (err = device_create_file(dev,
1492                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1493                         goto error;
1494 
1495         if (data->type != w83697hf)
1496                 if ((err = device_create_file(dev,
1497                                 &sensor_dev_attr_in1_input.dev_attr))
1498                  || (err = device_create_file(dev,
1499                                 &sensor_dev_attr_in1_min.dev_attr))
1500                  || (err = device_create_file(dev,
1501                                 &sensor_dev_attr_in1_max.dev_attr))
1502                  || (err = device_create_file(dev,
1503                                 &sensor_dev_attr_in1_alarm.dev_attr))
1504                  || (err = device_create_file(dev,
1505                                 &sensor_dev_attr_in1_beep.dev_attr))
1506                  || (err = device_create_file(dev,
1507                                 &sensor_dev_attr_fan3_input.dev_attr))
1508                  || (err = device_create_file(dev,
1509                                 &sensor_dev_attr_fan3_min.dev_attr))
1510                  || (err = device_create_file(dev,
1511                                 &sensor_dev_attr_fan3_div.dev_attr))
1512                  || (err = device_create_file(dev,
1513                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1514                  || (err = device_create_file(dev,
1515                                 &sensor_dev_attr_fan3_beep.dev_attr))
1516                  || (err = device_create_file(dev,
1517                                 &sensor_dev_attr_temp3_input.dev_attr))
1518                  || (err = device_create_file(dev,
1519                                 &sensor_dev_attr_temp3_max.dev_attr))
1520                  || (err = device_create_file(dev,
1521                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1522                  || (err = device_create_file(dev,
1523                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1524                  || (err = device_create_file(dev,
1525                                 &sensor_dev_attr_temp3_beep.dev_attr))
1526                  || (err = device_create_file(dev,
1527                                 &sensor_dev_attr_temp3_type.dev_attr)))
1528                         goto error;
1529 
1530         if (data->type != w83697hf && data->vid != 0xff) {
1531                 /* Convert VID to voltage based on VRM */
1532                 data->vrm = vid_which_vrm();
1533 
1534                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1535                  || (err = device_create_file(dev, &dev_attr_vrm)))
1536                         goto error;
1537         }
1538 
1539         if (data->type == w83627thf || data->type == w83637hf
1540             || data->type == w83687thf) {
1541                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1542                 if (err)
1543                         goto error;
1544         }
1545 
1546         if (data->type == w83637hf || data->type == w83687thf)
1547                 if ((err = device_create_file(dev,
1548                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1549                  || (err = device_create_file(dev,
1550                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1551                  || (err = device_create_file(dev,
1552                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1553                         goto error;
1554 
1555         if (data->type != w83627hf)
1556                 if ((err = device_create_file(dev,
1557                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1558                  || (err = device_create_file(dev,
1559                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1560                         goto error;
1561 
1562         if (data->type == w83627thf || data->type == w83637hf
1563             || data->type == w83687thf) {
1564                 err = device_create_file(dev,
1565                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1566                 if (err)
1567                         goto error;
1568         }
1569 
1570         data->hwmon_dev = hwmon_device_register(dev);
1571         if (IS_ERR(data->hwmon_dev)) {
1572                 err = PTR_ERR(data->hwmon_dev);
1573                 goto error;
1574         }
1575 
1576         return 0;
1577 
1578  error:
1579         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1580         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1581         return err;
1582 }
1583 
1584 static int w83627hf_remove(struct platform_device *pdev)
1585 {
1586         struct w83627hf_data *data = platform_get_drvdata(pdev);
1587 
1588         hwmon_device_unregister(data->hwmon_dev);
1589 
1590         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1591         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1592 
1593         return 0;
1594 }
1595 
1596 
1597 /* Registers 0x50-0x5f are banked */
1598 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1599 {
1600         if ((reg & 0x00f0) == 0x50) {
1601                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1602                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1603         }
1604 }
1605 
1606 /* Not strictly necessary, but play it safe for now */
1607 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1608 {
1609         if (reg & 0xff00) {
1610                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1611                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1612         }
1613 }
1614 
1615 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1616 {
1617         int res, word_sized;
1618 
1619         mutex_lock(&data->lock);
1620         word_sized = (((reg & 0xff00) == 0x100)
1621                    || ((reg & 0xff00) == 0x200))
1622                   && (((reg & 0x00ff) == 0x50)
1623                    || ((reg & 0x00ff) == 0x53)
1624                    || ((reg & 0x00ff) == 0x55));
1625         w83627hf_set_bank(data, reg);
1626         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1627         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1628         if (word_sized) {
1629                 outb_p((reg & 0xff) + 1,
1630                        data->addr + W83781D_ADDR_REG_OFFSET);
1631                 res =
1632                     (res << 8) + inb_p(data->addr +
1633                                        W83781D_DATA_REG_OFFSET);
1634         }
1635         w83627hf_reset_bank(data, reg);
1636         mutex_unlock(&data->lock);
1637         return res;
1638 }
1639 
1640 static int w83627thf_read_gpio5(struct platform_device *pdev)
1641 {
1642         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1643         int res = 0xff, sel;
1644 
1645         superio_enter(sio_data);
1646         superio_select(sio_data, W83627HF_LD_GPIO5);
1647 
1648         /* Make sure these GPIO pins are enabled */
1649         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1650                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1651                 goto exit;
1652         }
1653 
1654         /*
1655          * Make sure the pins are configured for input
1656          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1657          */
1658         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1659         if ((sel & 0x1f) != 0x1f) {
1660                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1661                         "function\n");
1662                 goto exit;
1663         }
1664 
1665         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1666         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1667 
1668 exit:
1669         superio_exit(sio_data);
1670         return res;
1671 }
1672 
1673 static int w83687thf_read_vid(struct platform_device *pdev)
1674 {
1675         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1676         int res = 0xff;
1677 
1678         superio_enter(sio_data);
1679         superio_select(sio_data, W83627HF_LD_HWM);
1680 
1681         /* Make sure these GPIO pins are enabled */
1682         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1683                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1684                 goto exit;
1685         }
1686 
1687         /* Make sure the pins are configured for input */
1688         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1689                 dev_dbg(&pdev->dev, "VID configured as output, "
1690                         "no VID function\n");
1691                 goto exit;
1692         }
1693 
1694         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1695 
1696 exit:
1697         superio_exit(sio_data);
1698         return res;
1699 }
1700 
1701 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1702 {
1703         int word_sized;
1704 
1705         mutex_lock(&data->lock);
1706         word_sized = (((reg & 0xff00) == 0x100)
1707                    || ((reg & 0xff00) == 0x200))
1708                   && (((reg & 0x00ff) == 0x53)
1709                    || ((reg & 0x00ff) == 0x55));
1710         w83627hf_set_bank(data, reg);
1711         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1712         if (word_sized) {
1713                 outb_p(value >> 8,
1714                        data->addr + W83781D_DATA_REG_OFFSET);
1715                 outb_p((reg & 0xff) + 1,
1716                        data->addr + W83781D_ADDR_REG_OFFSET);
1717         }
1718         outb_p(value & 0xff,
1719                data->addr + W83781D_DATA_REG_OFFSET);
1720         w83627hf_reset_bank(data, reg);
1721         mutex_unlock(&data->lock);
1722         return 0;
1723 }
1724 
1725 static void w83627hf_init_device(struct platform_device *pdev)
1726 {
1727         struct w83627hf_data *data = platform_get_drvdata(pdev);
1728         int i;
1729         enum chips type = data->type;
1730         u8 tmp;
1731 
1732         /* Minimize conflicts with other winbond i2c-only clients...  */
1733         /* disable i2c subclients... how to disable main i2c client?? */
1734         /* force i2c address to relatively uncommon address */
1735         if (type == w83627hf) {
1736                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1737                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1738         }
1739 
1740         /* Read VID only once */
1741         if (type == w83627hf || type == w83637hf) {
1742                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1743                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1744                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1745         } else if (type == w83627thf) {
1746                 data->vid = w83627thf_read_gpio5(pdev);
1747         } else if (type == w83687thf) {
1748                 data->vid = w83687thf_read_vid(pdev);
1749         }
1750 
1751         /* Read VRM & OVT Config only once */
1752         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1753                 data->vrm_ovt = 
1754                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1755         }
1756 
1757         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1758         for (i = 1; i <= 3; i++) {
1759                 if (!(tmp & BIT_SCFG1[i - 1])) {
1760                         data->sens[i - 1] = 4;
1761                 } else {
1762                         if (w83627hf_read_value
1763                             (data,
1764                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1765                                 data->sens[i - 1] = 1;
1766                         else
1767                                 data->sens[i - 1] = 2;
1768                 }
1769                 if ((type == w83697hf) && (i == 2))
1770                         break;
1771         }
1772 
1773         if(init) {
1774                 /* Enable temp2 */
1775                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1776                 if (tmp & 0x01) {
1777                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1778                                  "might not make sense\n");
1779                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1780                                 tmp & 0xfe);
1781                 }
1782 
1783                 /* Enable temp3 */
1784                 if (type != w83697hf) {
1785                         tmp = w83627hf_read_value(data,
1786                                 W83627HF_REG_TEMP3_CONFIG);
1787                         if (tmp & 0x01) {
1788                                 dev_warn(&pdev->dev, "Enabling temp3, "
1789                                          "readings might not make sense\n");
1790                                 w83627hf_write_value(data,
1791                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1792                         }
1793                 }
1794         }
1795 
1796         /* Start monitoring */
1797         w83627hf_write_value(data, W83781D_REG_CONFIG,
1798                             (w83627hf_read_value(data,
1799                                                 W83781D_REG_CONFIG) & 0xf7)
1800                             | 0x01);
1801 
1802         /* Enable VBAT monitoring if needed */
1803         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1804         if (!(tmp & 0x01))
1805                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1806 }
1807 
1808 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1809 {
1810         int reg;
1811 
1812         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1813         data->fan_div[0] = (reg >> 4) & 0x03;
1814         data->fan_div[1] = (reg >> 6) & 0x03;
1815         if (data->type != w83697hf) {
1816                 data->fan_div[2] = (w83627hf_read_value(data,
1817                                        W83781D_REG_PIN) >> 6) & 0x03;
1818         }
1819         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1820         data->fan_div[0] |= (reg >> 3) & 0x04;
1821         data->fan_div[1] |= (reg >> 4) & 0x04;
1822         if (data->type != w83697hf)
1823                 data->fan_div[2] |= (reg >> 5) & 0x04;
1824 }
1825 
1826 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1827 {
1828         struct w83627hf_data *data = dev_get_drvdata(dev);
1829         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1830         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1831 
1832         mutex_lock(&data->update_lock);
1833 
1834         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1835             || !data->valid) {
1836                 for (i = 0; i <= 8; i++) {
1837                         /* skip missing sensors */
1838                         if (((data->type == w83697hf) && (i == 1)) ||
1839                             ((data->type != w83627hf && data->type != w83697hf)
1840                             && (i == 5 || i == 6)))
1841                                 continue;
1842                         data->in[i] =
1843                             w83627hf_read_value(data, W83781D_REG_IN(i));
1844                         data->in_min[i] =
1845                             w83627hf_read_value(data,
1846                                                W83781D_REG_IN_MIN(i));
1847                         data->in_max[i] =
1848                             w83627hf_read_value(data,
1849                                                W83781D_REG_IN_MAX(i));
1850                 }
1851                 for (i = 0; i <= 2; i++) {
1852                         data->fan[i] =
1853                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1854                         data->fan_min[i] =
1855                             w83627hf_read_value(data,
1856                                                W83627HF_REG_FAN_MIN(i));
1857                 }
1858                 for (i = 0; i <= 2; i++) {
1859                         u8 tmp = w83627hf_read_value(data,
1860                                 W836X7HF_REG_PWM(data->type, i));
1861                         /* bits 0-3 are reserved  in 627THF */
1862                         if (data->type == w83627thf)
1863                                 tmp &= 0xf0;
1864                         data->pwm[i] = tmp;
1865                         if (i == 1 &&
1866                             (data->type == w83627hf || data->type == w83697hf))
1867                                 break;
1868                 }
1869                 if (data->type == w83627hf) {
1870                                 u8 tmp = w83627hf_read_value(data,
1871                                                 W83627HF_REG_PWM_FREQ);
1872                                 data->pwm_freq[0] = tmp & 0x07;
1873                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1874                 } else if (data->type != w83627thf) {
1875                         for (i = 1; i <= 3; i++) {
1876                                 data->pwm_freq[i - 1] =
1877                                         w83627hf_read_value(data,
1878                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1879                                 if (i == 2 && (data->type == w83697hf))
1880                                         break;
1881                         }
1882                 }
1883                 if (data->type != w83627hf) {
1884                         for (i = 0; i < num_pwms; i++) {
1885                                 u8 tmp = w83627hf_read_value(data,
1886                                         W83627THF_REG_PWM_ENABLE[i]);
1887                                 data->pwm_enable[i] =
1888                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1889                                         & 0x03) + 1;
1890                         }
1891                 }
1892                 for (i = 0; i < num_temps; i++) {
1893                         data->temp[i] = w83627hf_read_value(
1894                                                 data, w83627hf_reg_temp[i]);
1895                         data->temp_max[i] = w83627hf_read_value(
1896                                                 data, w83627hf_reg_temp_over[i]);
1897                         data->temp_max_hyst[i] = w83627hf_read_value(
1898                                                 data, w83627hf_reg_temp_hyst[i]);
1899                 }
1900 
1901                 w83627hf_update_fan_div(data);
1902 
1903                 data->alarms =
1904                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1905                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1906                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1907                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1908                 data->beep_mask = (i << 8) |
1909                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1910                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1911                 data->last_updated = jiffies;
1912                 data->valid = 1;
1913         }
1914 
1915         mutex_unlock(&data->update_lock);
1916 
1917         return data;
1918 }
1919 
1920 static int __init w83627hf_device_add(unsigned short address,
1921                                       const struct w83627hf_sio_data *sio_data)
1922 {
1923         struct resource res = {
1924                 .start  = address + WINB_REGION_OFFSET,
1925                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1926                 .name   = DRVNAME,
1927                 .flags  = IORESOURCE_IO,
1928         };
1929         int err;
1930 
1931         err = acpi_check_resource_conflict(&res);
1932         if (err)
1933                 goto exit;
1934 
1935         pdev = platform_device_alloc(DRVNAME, address);
1936         if (!pdev) {
1937                 err = -ENOMEM;
1938                 pr_err("Device allocation failed\n");
1939                 goto exit;
1940         }
1941 
1942         err = platform_device_add_resources(pdev, &res, 1);
1943         if (err) {
1944                 pr_err("Device resource addition failed (%d)\n", err);
1945                 goto exit_device_put;
1946         }
1947 
1948         err = platform_device_add_data(pdev, sio_data,
1949                                        sizeof(struct w83627hf_sio_data));
1950         if (err) {
1951                 pr_err("Platform data allocation failed\n");
1952                 goto exit_device_put;
1953         }
1954 
1955         err = platform_device_add(pdev);
1956         if (err) {
1957                 pr_err("Device addition failed (%d)\n", err);
1958                 goto exit_device_put;
1959         }
1960 
1961         return 0;
1962 
1963 exit_device_put:
1964         platform_device_put(pdev);
1965 exit:
1966         return err;
1967 }
1968 
1969 static int __init sensors_w83627hf_init(void)
1970 {
1971         int err;
1972         unsigned short address;
1973         struct w83627hf_sio_data sio_data;
1974 
1975         if (w83627hf_find(0x2e, &address, &sio_data)
1976          && w83627hf_find(0x4e, &address, &sio_data))
1977                 return -ENODEV;
1978 
1979         err = platform_driver_register(&w83627hf_driver);
1980         if (err)
1981                 goto exit;
1982 
1983         /* Sets global pdev as a side effect */
1984         err = w83627hf_device_add(address, &sio_data);
1985         if (err)
1986                 goto exit_driver;
1987 
1988         return 0;
1989 
1990 exit_driver:
1991         platform_driver_unregister(&w83627hf_driver);
1992 exit:
1993         return err;
1994 }
1995 
1996 static void __exit sensors_w83627hf_exit(void)
1997 {
1998         platform_device_unregister(pdev);
1999         platform_driver_unregister(&w83627hf_driver);
2000 }
2001 
2002 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2003               "Philip Edelbrock <phil@netroedge.com>, "
2004               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2005 MODULE_DESCRIPTION("W83627HF driver");
2006 MODULE_LICENSE("GPL");
2007 
2008 module_init(sensors_w83627hf_init);
2009 module_exit(sensors_w83627hf_exit);
2010 

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