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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         data->vrm = val;
824 
825         return count;
826 }
827 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
828 
829 static ssize_t
830 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
831 {
832         struct w83627hf_data *data = w83627hf_update_device(dev);
833         return sprintf(buf, "%ld\n", (long) data->alarms);
834 }
835 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
836 
837 static ssize_t
838 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
839 {
840         struct w83627hf_data *data = w83627hf_update_device(dev);
841         int bitnr = to_sensor_dev_attr(attr)->index;
842         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
843 }
844 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
845 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
846 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
847 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
848 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
849 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
850 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
851 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
852 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
853 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
854 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
855 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
856 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
857 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
858 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
859 
860 static ssize_t
861 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
862 {
863         struct w83627hf_data *data = w83627hf_update_device(dev);
864         return sprintf(buf, "%ld\n",
865                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
866 }
867 
868 static ssize_t
869 store_beep_mask(struct device *dev, struct device_attribute *attr,
870                 const char *buf, size_t count)
871 {
872         struct w83627hf_data *data = dev_get_drvdata(dev);
873         unsigned long val;
874         int err;
875 
876         err = kstrtoul(buf, 10, &val);
877         if (err)
878                 return err;
879 
880         mutex_lock(&data->update_lock);
881 
882         /* preserve beep enable */
883         data->beep_mask = (data->beep_mask & 0x8000)
884                         | BEEP_MASK_TO_REG(val);
885         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
886                             data->beep_mask & 0xff);
887         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
888                             ((data->beep_mask) >> 16) & 0xff);
889         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
890                             (data->beep_mask >> 8) & 0xff);
891 
892         mutex_unlock(&data->update_lock);
893         return count;
894 }
895 
896 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
897                    show_beep_mask, store_beep_mask);
898 
899 static ssize_t
900 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
901 {
902         struct w83627hf_data *data = w83627hf_update_device(dev);
903         int bitnr = to_sensor_dev_attr(attr)->index;
904         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
905 }
906 
907 static ssize_t
908 store_beep(struct device *dev, struct device_attribute *attr,
909                 const char *buf, size_t count)
910 {
911         struct w83627hf_data *data = dev_get_drvdata(dev);
912         int bitnr = to_sensor_dev_attr(attr)->index;
913         u8 reg;
914         unsigned long bit;
915         int err;
916 
917         err = kstrtoul(buf, 10, &bit);
918         if (err)
919                 return err;
920 
921         if (bit & ~1)
922                 return -EINVAL;
923 
924         mutex_lock(&data->update_lock);
925         if (bit)
926                 data->beep_mask |= (1 << bitnr);
927         else
928                 data->beep_mask &= ~(1 << bitnr);
929 
930         if (bitnr < 8) {
931                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
932                 if (bit)
933                         reg |= (1 << bitnr);
934                 else
935                         reg &= ~(1 << bitnr);
936                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
937         } else if (bitnr < 16) {
938                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
939                 if (bit)
940                         reg |= (1 << (bitnr - 8));
941                 else
942                         reg &= ~(1 << (bitnr - 8));
943                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
944         } else {
945                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
946                 if (bit)
947                         reg |= (1 << (bitnr - 16));
948                 else
949                         reg &= ~(1 << (bitnr - 16));
950                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
951         }
952         mutex_unlock(&data->update_lock);
953 
954         return count;
955 }
956 
957 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
958                         show_beep, store_beep, 0);
959 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
960                         show_beep, store_beep, 1);
961 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
962                         show_beep, store_beep, 2);
963 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
964                         show_beep, store_beep, 3);
965 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
966                         show_beep, store_beep, 8);
967 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
968                         show_beep, store_beep, 9);
969 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
970                         show_beep, store_beep, 10);
971 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
972                         show_beep, store_beep, 16);
973 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
974                         show_beep, store_beep, 17);
975 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
976                         show_beep, store_beep, 6);
977 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
978                         show_beep, store_beep, 7);
979 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
980                         show_beep, store_beep, 11);
981 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
982                         show_beep, store_beep, 4);
983 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
984                         show_beep, store_beep, 5);
985 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
986                         show_beep, store_beep, 13);
987 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
988                         show_beep, store_beep, 15);
989 
990 static ssize_t
991 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
992 {
993         int nr = to_sensor_dev_attr(devattr)->index;
994         struct w83627hf_data *data = w83627hf_update_device(dev);
995         return sprintf(buf, "%ld\n",
996                        (long) DIV_FROM_REG(data->fan_div[nr]));
997 }
998 /*
999  * Note: we save and restore the fan minimum here, because its value is
1000  * determined in part by the fan divisor.  This follows the principle of
1001  * least surprise; the user doesn't expect the fan minimum to change just
1002  * because the divisor changed.
1003  */
1004 static ssize_t
1005 store_fan_div(struct device *dev, struct device_attribute *devattr,
1006               const char *buf, size_t count)
1007 {
1008         int nr = to_sensor_dev_attr(devattr)->index;
1009         struct w83627hf_data *data = dev_get_drvdata(dev);
1010         unsigned long min;
1011         u8 reg;
1012         unsigned long val;
1013         int err;
1014 
1015         err = kstrtoul(buf, 10, &val);
1016         if (err)
1017                 return err;
1018 
1019         mutex_lock(&data->update_lock);
1020 
1021         /* Save fan_min */
1022         min = FAN_FROM_REG(data->fan_min[nr],
1023                            DIV_FROM_REG(data->fan_div[nr]));
1024 
1025         data->fan_div[nr] = DIV_TO_REG(val);
1026 
1027         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1028                & (nr==0 ? 0xcf : 0x3f))
1029             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1030         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1031 
1032         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1033                & ~(1 << (5 + nr)))
1034             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1035         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1036 
1037         /* Restore fan_min */
1038         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1039         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1040 
1041         mutex_unlock(&data->update_lock);
1042         return count;
1043 }
1044 
1045 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1046                           show_fan_div, store_fan_div, 0);
1047 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1048                           show_fan_div, store_fan_div, 1);
1049 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1050                           show_fan_div, store_fan_div, 2);
1051 
1052 static ssize_t
1053 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1054 {
1055         int nr = to_sensor_dev_attr(devattr)->index;
1056         struct w83627hf_data *data = w83627hf_update_device(dev);
1057         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1058 }
1059 
1060 static ssize_t
1061 store_pwm(struct device *dev, struct device_attribute *devattr,
1062           const char *buf, size_t count)
1063 {
1064         int nr = to_sensor_dev_attr(devattr)->index;
1065         struct w83627hf_data *data = dev_get_drvdata(dev);
1066         unsigned long val;
1067         int err;
1068 
1069         err = kstrtoul(buf, 10, &val);
1070         if (err)
1071                 return err;
1072 
1073         mutex_lock(&data->update_lock);
1074 
1075         if (data->type == w83627thf) {
1076                 /* bits 0-3 are reserved  in 627THF */
1077                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1078                 w83627hf_write_value(data,
1079                                      W836X7HF_REG_PWM(data->type, nr),
1080                                      data->pwm[nr] |
1081                                      (w83627hf_read_value(data,
1082                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1083         } else {
1084                 data->pwm[nr] = PWM_TO_REG(val);
1085                 w83627hf_write_value(data,
1086                                      W836X7HF_REG_PWM(data->type, nr),
1087                                      data->pwm[nr]);
1088         }
1089 
1090         mutex_unlock(&data->update_lock);
1091         return count;
1092 }
1093 
1094 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1095 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1096 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1097 
1098 static ssize_t
1099 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1100 {
1101         int nr = to_sensor_dev_attr(devattr)->index;
1102         struct w83627hf_data *data = w83627hf_update_device(dev);
1103         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1104 }
1105 
1106 static ssize_t
1107 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1108           const char *buf, size_t count)
1109 {
1110         int nr = to_sensor_dev_attr(devattr)->index;
1111         struct w83627hf_data *data = dev_get_drvdata(dev);
1112         u8 reg;
1113         unsigned long val;
1114         int err;
1115 
1116         err = kstrtoul(buf, 10, &val);
1117         if (err)
1118                 return err;
1119 
1120         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1121                 return -EINVAL;
1122         mutex_lock(&data->update_lock);
1123         data->pwm_enable[nr] = val;
1124         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1125         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1126         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1127         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1128         mutex_unlock(&data->update_lock);
1129         return count;
1130 }
1131 
1132 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1133                                                   store_pwm_enable, 0);
1134 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1135                                                   store_pwm_enable, 1);
1136 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1137                                                   store_pwm_enable, 2);
1138 
1139 static ssize_t
1140 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1141 {
1142         int nr = to_sensor_dev_attr(devattr)->index;
1143         struct w83627hf_data *data = w83627hf_update_device(dev);
1144         if (data->type == w83627hf)
1145                 return sprintf(buf, "%ld\n",
1146                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1147         else
1148                 return sprintf(buf, "%ld\n",
1149                         pwm_freq_from_reg(data->pwm_freq[nr]));
1150 }
1151 
1152 static ssize_t
1153 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1154                const char *buf, size_t count)
1155 {
1156         int nr = to_sensor_dev_attr(devattr)->index;
1157         struct w83627hf_data *data = dev_get_drvdata(dev);
1158         static const u8 mask[]={0xF8, 0x8F};
1159         unsigned long val;
1160         int err;
1161 
1162         err = kstrtoul(buf, 10, &val);
1163         if (err)
1164                 return err;
1165 
1166         mutex_lock(&data->update_lock);
1167 
1168         if (data->type == w83627hf) {
1169                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1170                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1171                                 (data->pwm_freq[nr] << (nr*4)) |
1172                                 (w83627hf_read_value(data,
1173                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1174         } else {
1175                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1176                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1177                                 data->pwm_freq[nr]);
1178         }
1179 
1180         mutex_unlock(&data->update_lock);
1181         return count;
1182 }
1183 
1184 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1185                           show_pwm_freq, store_pwm_freq, 0);
1186 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1187                           show_pwm_freq, store_pwm_freq, 1);
1188 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1189                           show_pwm_freq, store_pwm_freq, 2);
1190 
1191 static ssize_t
1192 show_temp_type(struct device *dev, struct device_attribute *devattr,
1193                char *buf)
1194 {
1195         int nr = to_sensor_dev_attr(devattr)->index;
1196         struct w83627hf_data *data = w83627hf_update_device(dev);
1197         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1198 }
1199 
1200 static ssize_t
1201 store_temp_type(struct device *dev, struct device_attribute *devattr,
1202                 const char *buf, size_t count)
1203 {
1204         int nr = to_sensor_dev_attr(devattr)->index;
1205         struct w83627hf_data *data = dev_get_drvdata(dev);
1206         unsigned long val;
1207         u32 tmp;
1208         int err;
1209 
1210         err = kstrtoul(buf, 10, &val);
1211         if (err)
1212                 return err;
1213 
1214         mutex_lock(&data->update_lock);
1215 
1216         switch (val) {
1217         case 1:         /* PII/Celeron diode */
1218                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1219                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1220                                     tmp | BIT_SCFG1[nr]);
1221                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1222                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1223                                     tmp | BIT_SCFG2[nr]);
1224                 data->sens[nr] = val;
1225                 break;
1226         case 2:         /* 3904 */
1227                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1228                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1229                                     tmp | BIT_SCFG1[nr]);
1230                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1231                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1232                                     tmp & ~BIT_SCFG2[nr]);
1233                 data->sens[nr] = val;
1234                 break;
1235         case W83781D_DEFAULT_BETA:
1236                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1237                          "instead\n", W83781D_DEFAULT_BETA);
1238                 /* fall through */
1239         case 4:         /* thermistor */
1240                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1241                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1242                                     tmp & ~BIT_SCFG1[nr]);
1243                 data->sens[nr] = val;
1244                 break;
1245         default:
1246                 dev_err(dev,
1247                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1248                        (long) val);
1249                 break;
1250         }
1251 
1252         mutex_unlock(&data->update_lock);
1253         return count;
1254 }
1255 
1256 #define sysfs_temp_type(offset) \
1257 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1258                           show_temp_type, store_temp_type, offset - 1);
1259 
1260 sysfs_temp_type(1);
1261 sysfs_temp_type(2);
1262 sysfs_temp_type(3);
1263 
1264 static ssize_t
1265 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1266 {
1267         struct w83627hf_data *data = dev_get_drvdata(dev);
1268 
1269         return sprintf(buf, "%s\n", data->name);
1270 }
1271 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1272 
1273 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1274                                 struct w83627hf_sio_data *sio_data)
1275 {
1276         int err = -ENODEV;
1277         u16 val;
1278 
1279         static __initconst char *const names[] = {
1280                 "W83627HF",
1281                 "W83627THF",
1282                 "W83697HF",
1283                 "W83637HF",
1284                 "W83687THF",
1285         };
1286 
1287         sio_data->sioaddr = sioaddr;
1288         superio_enter(sio_data);
1289         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1290         switch (val) {
1291         case W627_DEVID:
1292                 sio_data->type = w83627hf;
1293                 break;
1294         case W627THF_DEVID:
1295                 sio_data->type = w83627thf;
1296                 break;
1297         case W697_DEVID:
1298                 sio_data->type = w83697hf;
1299                 break;
1300         case W637_DEVID:
1301                 sio_data->type = w83637hf;
1302                 break;
1303         case W687THF_DEVID:
1304                 sio_data->type = w83687thf;
1305                 break;
1306         case 0xff:      /* No device at all */
1307                 goto exit;
1308         default:
1309                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1310                 goto exit;
1311         }
1312 
1313         superio_select(sio_data, W83627HF_LD_HWM);
1314         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1315                superio_inb(sio_data, WINB_BASE_REG + 1);
1316         *addr = val & WINB_ALIGNMENT;
1317         if (*addr == 0) {
1318                 pr_warn("Base address not set, skipping\n");
1319                 goto exit;
1320         }
1321 
1322         val = superio_inb(sio_data, WINB_ACT_REG);
1323         if (!(val & 0x01)) {
1324                 pr_warn("Enabling HWM logical device\n");
1325                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1326         }
1327 
1328         err = 0;
1329         pr_info(DRVNAME ": Found %s chip at %#x\n",
1330                 names[sio_data->type], *addr);
1331 
1332  exit:
1333         superio_exit(sio_data);
1334         return err;
1335 }
1336 
1337 #define VIN_UNIT_ATTRS(_X_)     \
1338         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1339         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1340         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1341         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1342         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1343 
1344 #define FAN_UNIT_ATTRS(_X_)     \
1345         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1346         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1347         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1348         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1349         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1350 
1351 #define TEMP_UNIT_ATTRS(_X_)    \
1352         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1353         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1354         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1355         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1356         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1357         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1358 
1359 static struct attribute *w83627hf_attributes[] = {
1360         &dev_attr_in0_input.attr,
1361         &dev_attr_in0_min.attr,
1362         &dev_attr_in0_max.attr,
1363         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1364         &sensor_dev_attr_in0_beep.dev_attr.attr,
1365         VIN_UNIT_ATTRS(2),
1366         VIN_UNIT_ATTRS(3),
1367         VIN_UNIT_ATTRS(4),
1368         VIN_UNIT_ATTRS(7),
1369         VIN_UNIT_ATTRS(8),
1370 
1371         FAN_UNIT_ATTRS(1),
1372         FAN_UNIT_ATTRS(2),
1373 
1374         TEMP_UNIT_ATTRS(1),
1375         TEMP_UNIT_ATTRS(2),
1376 
1377         &dev_attr_alarms.attr,
1378         &sensor_dev_attr_beep_enable.dev_attr.attr,
1379         &dev_attr_beep_mask.attr,
1380 
1381         &sensor_dev_attr_pwm1.dev_attr.attr,
1382         &sensor_dev_attr_pwm2.dev_attr.attr,
1383         &dev_attr_name.attr,
1384         NULL
1385 };
1386 
1387 static const struct attribute_group w83627hf_group = {
1388         .attrs = w83627hf_attributes,
1389 };
1390 
1391 static struct attribute *w83627hf_attributes_opt[] = {
1392         VIN_UNIT_ATTRS(1),
1393         VIN_UNIT_ATTRS(5),
1394         VIN_UNIT_ATTRS(6),
1395 
1396         FAN_UNIT_ATTRS(3),
1397         TEMP_UNIT_ATTRS(3),
1398         &sensor_dev_attr_pwm3.dev_attr.attr,
1399 
1400         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1401         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1402         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1403 
1404         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1405         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1406         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1407 
1408         NULL
1409 };
1410 
1411 static const struct attribute_group w83627hf_group_opt = {
1412         .attrs = w83627hf_attributes_opt,
1413 };
1414 
1415 static int w83627hf_probe(struct platform_device *pdev)
1416 {
1417         struct device *dev = &pdev->dev;
1418         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1419         struct w83627hf_data *data;
1420         struct resource *res;
1421         int err, i;
1422 
1423         static const char *names[] = {
1424                 "w83627hf",
1425                 "w83627thf",
1426                 "w83697hf",
1427                 "w83637hf",
1428                 "w83687thf",
1429         };
1430 
1431         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1432         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1433                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1434                         (unsigned long)res->start,
1435                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1436                 return -EBUSY;
1437         }
1438 
1439         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1440         if (!data)
1441                 return -ENOMEM;
1442 
1443         data->addr = res->start;
1444         data->type = sio_data->type;
1445         data->name = names[sio_data->type];
1446         mutex_init(&data->lock);
1447         mutex_init(&data->update_lock);
1448         platform_set_drvdata(pdev, data);
1449 
1450         /* Initialize the chip */
1451         w83627hf_init_device(pdev);
1452 
1453         /* A few vars need to be filled upon startup */
1454         for (i = 0; i <= 2; i++)
1455                 data->fan_min[i] = w83627hf_read_value(
1456                                         data, W83627HF_REG_FAN_MIN(i));
1457         w83627hf_update_fan_div(data);
1458 
1459         /* Register common device attributes */
1460         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1461         if (err)
1462                 return err;
1463 
1464         /* Register chip-specific device attributes */
1465         if (data->type == w83627hf || data->type == w83697hf)
1466                 if ((err = device_create_file(dev,
1467                                 &sensor_dev_attr_in5_input.dev_attr))
1468                  || (err = device_create_file(dev,
1469                                 &sensor_dev_attr_in5_min.dev_attr))
1470                  || (err = device_create_file(dev,
1471                                 &sensor_dev_attr_in5_max.dev_attr))
1472                  || (err = device_create_file(dev,
1473                                 &sensor_dev_attr_in5_alarm.dev_attr))
1474                  || (err = device_create_file(dev,
1475                                 &sensor_dev_attr_in5_beep.dev_attr))
1476                  || (err = device_create_file(dev,
1477                                 &sensor_dev_attr_in6_input.dev_attr))
1478                  || (err = device_create_file(dev,
1479                                 &sensor_dev_attr_in6_min.dev_attr))
1480                  || (err = device_create_file(dev,
1481                                 &sensor_dev_attr_in6_max.dev_attr))
1482                  || (err = device_create_file(dev,
1483                                 &sensor_dev_attr_in6_alarm.dev_attr))
1484                  || (err = device_create_file(dev,
1485                                 &sensor_dev_attr_in6_beep.dev_attr))
1486                  || (err = device_create_file(dev,
1487                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1488                  || (err = device_create_file(dev,
1489                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1490                         goto error;
1491 
1492         if (data->type != w83697hf)
1493                 if ((err = device_create_file(dev,
1494                                 &sensor_dev_attr_in1_input.dev_attr))
1495                  || (err = device_create_file(dev,
1496                                 &sensor_dev_attr_in1_min.dev_attr))
1497                  || (err = device_create_file(dev,
1498                                 &sensor_dev_attr_in1_max.dev_attr))
1499                  || (err = device_create_file(dev,
1500                                 &sensor_dev_attr_in1_alarm.dev_attr))
1501                  || (err = device_create_file(dev,
1502                                 &sensor_dev_attr_in1_beep.dev_attr))
1503                  || (err = device_create_file(dev,
1504                                 &sensor_dev_attr_fan3_input.dev_attr))
1505                  || (err = device_create_file(dev,
1506                                 &sensor_dev_attr_fan3_min.dev_attr))
1507                  || (err = device_create_file(dev,
1508                                 &sensor_dev_attr_fan3_div.dev_attr))
1509                  || (err = device_create_file(dev,
1510                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1511                  || (err = device_create_file(dev,
1512                                 &sensor_dev_attr_fan3_beep.dev_attr))
1513                  || (err = device_create_file(dev,
1514                                 &sensor_dev_attr_temp3_input.dev_attr))
1515                  || (err = device_create_file(dev,
1516                                 &sensor_dev_attr_temp3_max.dev_attr))
1517                  || (err = device_create_file(dev,
1518                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1519                  || (err = device_create_file(dev,
1520                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1521                  || (err = device_create_file(dev,
1522                                 &sensor_dev_attr_temp3_beep.dev_attr))
1523                  || (err = device_create_file(dev,
1524                                 &sensor_dev_attr_temp3_type.dev_attr)))
1525                         goto error;
1526 
1527         if (data->type != w83697hf && data->vid != 0xff) {
1528                 /* Convert VID to voltage based on VRM */
1529                 data->vrm = vid_which_vrm();
1530 
1531                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1532                  || (err = device_create_file(dev, &dev_attr_vrm)))
1533                         goto error;
1534         }
1535 
1536         if (data->type == w83627thf || data->type == w83637hf
1537             || data->type == w83687thf) {
1538                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1539                 if (err)
1540                         goto error;
1541         }
1542 
1543         if (data->type == w83637hf || data->type == w83687thf)
1544                 if ((err = device_create_file(dev,
1545                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1546                  || (err = device_create_file(dev,
1547                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1548                  || (err = device_create_file(dev,
1549                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1550                         goto error;
1551 
1552         if (data->type != w83627hf)
1553                 if ((err = device_create_file(dev,
1554                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1555                  || (err = device_create_file(dev,
1556                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1557                         goto error;
1558 
1559         if (data->type == w83627thf || data->type == w83637hf
1560             || data->type == w83687thf) {
1561                 err = device_create_file(dev,
1562                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1563                 if (err)
1564                         goto error;
1565         }
1566 
1567         data->hwmon_dev = hwmon_device_register(dev);
1568         if (IS_ERR(data->hwmon_dev)) {
1569                 err = PTR_ERR(data->hwmon_dev);
1570                 goto error;
1571         }
1572 
1573         return 0;
1574 
1575  error:
1576         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1577         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1578         return err;
1579 }
1580 
1581 static int w83627hf_remove(struct platform_device *pdev)
1582 {
1583         struct w83627hf_data *data = platform_get_drvdata(pdev);
1584 
1585         hwmon_device_unregister(data->hwmon_dev);
1586 
1587         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1588         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1589 
1590         return 0;
1591 }
1592 
1593 
1594 /* Registers 0x50-0x5f are banked */
1595 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1596 {
1597         if ((reg & 0x00f0) == 0x50) {
1598                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1599                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1600         }
1601 }
1602 
1603 /* Not strictly necessary, but play it safe for now */
1604 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1605 {
1606         if (reg & 0xff00) {
1607                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1608                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1609         }
1610 }
1611 
1612 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1613 {
1614         int res, word_sized;
1615 
1616         mutex_lock(&data->lock);
1617         word_sized = (((reg & 0xff00) == 0x100)
1618                    || ((reg & 0xff00) == 0x200))
1619                   && (((reg & 0x00ff) == 0x50)
1620                    || ((reg & 0x00ff) == 0x53)
1621                    || ((reg & 0x00ff) == 0x55));
1622         w83627hf_set_bank(data, reg);
1623         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1624         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1625         if (word_sized) {
1626                 outb_p((reg & 0xff) + 1,
1627                        data->addr + W83781D_ADDR_REG_OFFSET);
1628                 res =
1629                     (res << 8) + inb_p(data->addr +
1630                                        W83781D_DATA_REG_OFFSET);
1631         }
1632         w83627hf_reset_bank(data, reg);
1633         mutex_unlock(&data->lock);
1634         return res;
1635 }
1636 
1637 static int w83627thf_read_gpio5(struct platform_device *pdev)
1638 {
1639         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1640         int res = 0xff, sel;
1641 
1642         superio_enter(sio_data);
1643         superio_select(sio_data, W83627HF_LD_GPIO5);
1644 
1645         /* Make sure these GPIO pins are enabled */
1646         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1647                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1648                 goto exit;
1649         }
1650 
1651         /*
1652          * Make sure the pins are configured for input
1653          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1654          */
1655         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1656         if ((sel & 0x1f) != 0x1f) {
1657                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1658                         "function\n");
1659                 goto exit;
1660         }
1661 
1662         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1663         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1664 
1665 exit:
1666         superio_exit(sio_data);
1667         return res;
1668 }
1669 
1670 static int w83687thf_read_vid(struct platform_device *pdev)
1671 {
1672         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1673         int res = 0xff;
1674 
1675         superio_enter(sio_data);
1676         superio_select(sio_data, W83627HF_LD_HWM);
1677 
1678         /* Make sure these GPIO pins are enabled */
1679         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1680                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1681                 goto exit;
1682         }
1683 
1684         /* Make sure the pins are configured for input */
1685         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1686                 dev_dbg(&pdev->dev, "VID configured as output, "
1687                         "no VID function\n");
1688                 goto exit;
1689         }
1690 
1691         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1692 
1693 exit:
1694         superio_exit(sio_data);
1695         return res;
1696 }
1697 
1698 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1699 {
1700         int word_sized;
1701 
1702         mutex_lock(&data->lock);
1703         word_sized = (((reg & 0xff00) == 0x100)
1704                    || ((reg & 0xff00) == 0x200))
1705                   && (((reg & 0x00ff) == 0x53)
1706                    || ((reg & 0x00ff) == 0x55));
1707         w83627hf_set_bank(data, reg);
1708         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1709         if (word_sized) {
1710                 outb_p(value >> 8,
1711                        data->addr + W83781D_DATA_REG_OFFSET);
1712                 outb_p((reg & 0xff) + 1,
1713                        data->addr + W83781D_ADDR_REG_OFFSET);
1714         }
1715         outb_p(value & 0xff,
1716                data->addr + W83781D_DATA_REG_OFFSET);
1717         w83627hf_reset_bank(data, reg);
1718         mutex_unlock(&data->lock);
1719         return 0;
1720 }
1721 
1722 static void w83627hf_init_device(struct platform_device *pdev)
1723 {
1724         struct w83627hf_data *data = platform_get_drvdata(pdev);
1725         int i;
1726         enum chips type = data->type;
1727         u8 tmp;
1728 
1729         /* Minimize conflicts with other winbond i2c-only clients...  */
1730         /* disable i2c subclients... how to disable main i2c client?? */
1731         /* force i2c address to relatively uncommon address */
1732         if (type == w83627hf) {
1733                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1734                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1735         }
1736 
1737         /* Read VID only once */
1738         if (type == w83627hf || type == w83637hf) {
1739                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1740                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1741                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1742         } else if (type == w83627thf) {
1743                 data->vid = w83627thf_read_gpio5(pdev);
1744         } else if (type == w83687thf) {
1745                 data->vid = w83687thf_read_vid(pdev);
1746         }
1747 
1748         /* Read VRM & OVT Config only once */
1749         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1750                 data->vrm_ovt = 
1751                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1752         }
1753 
1754         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1755         for (i = 1; i <= 3; i++) {
1756                 if (!(tmp & BIT_SCFG1[i - 1])) {
1757                         data->sens[i - 1] = 4;
1758                 } else {
1759                         if (w83627hf_read_value
1760                             (data,
1761                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1762                                 data->sens[i - 1] = 1;
1763                         else
1764                                 data->sens[i - 1] = 2;
1765                 }
1766                 if ((type == w83697hf) && (i == 2))
1767                         break;
1768         }
1769 
1770         if(init) {
1771                 /* Enable temp2 */
1772                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1773                 if (tmp & 0x01) {
1774                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1775                                  "might not make sense\n");
1776                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1777                                 tmp & 0xfe);
1778                 }
1779 
1780                 /* Enable temp3 */
1781                 if (type != w83697hf) {
1782                         tmp = w83627hf_read_value(data,
1783                                 W83627HF_REG_TEMP3_CONFIG);
1784                         if (tmp & 0x01) {
1785                                 dev_warn(&pdev->dev, "Enabling temp3, "
1786                                          "readings might not make sense\n");
1787                                 w83627hf_write_value(data,
1788                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1789                         }
1790                 }
1791         }
1792 
1793         /* Start monitoring */
1794         w83627hf_write_value(data, W83781D_REG_CONFIG,
1795                             (w83627hf_read_value(data,
1796                                                 W83781D_REG_CONFIG) & 0xf7)
1797                             | 0x01);
1798 
1799         /* Enable VBAT monitoring if needed */
1800         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1801         if (!(tmp & 0x01))
1802                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1803 }
1804 
1805 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1806 {
1807         int reg;
1808 
1809         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1810         data->fan_div[0] = (reg >> 4) & 0x03;
1811         data->fan_div[1] = (reg >> 6) & 0x03;
1812         if (data->type != w83697hf) {
1813                 data->fan_div[2] = (w83627hf_read_value(data,
1814                                        W83781D_REG_PIN) >> 6) & 0x03;
1815         }
1816         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1817         data->fan_div[0] |= (reg >> 3) & 0x04;
1818         data->fan_div[1] |= (reg >> 4) & 0x04;
1819         if (data->type != w83697hf)
1820                 data->fan_div[2] |= (reg >> 5) & 0x04;
1821 }
1822 
1823 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1824 {
1825         struct w83627hf_data *data = dev_get_drvdata(dev);
1826         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1827         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1828 
1829         mutex_lock(&data->update_lock);
1830 
1831         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1832             || !data->valid) {
1833                 for (i = 0; i <= 8; i++) {
1834                         /* skip missing sensors */
1835                         if (((data->type == w83697hf) && (i == 1)) ||
1836                             ((data->type != w83627hf && data->type != w83697hf)
1837                             && (i == 5 || i == 6)))
1838                                 continue;
1839                         data->in[i] =
1840                             w83627hf_read_value(data, W83781D_REG_IN(i));
1841                         data->in_min[i] =
1842                             w83627hf_read_value(data,
1843                                                W83781D_REG_IN_MIN(i));
1844                         data->in_max[i] =
1845                             w83627hf_read_value(data,
1846                                                W83781D_REG_IN_MAX(i));
1847                 }
1848                 for (i = 0; i <= 2; i++) {
1849                         data->fan[i] =
1850                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1851                         data->fan_min[i] =
1852                             w83627hf_read_value(data,
1853                                                W83627HF_REG_FAN_MIN(i));
1854                 }
1855                 for (i = 0; i <= 2; i++) {
1856                         u8 tmp = w83627hf_read_value(data,
1857                                 W836X7HF_REG_PWM(data->type, i));
1858                         /* bits 0-3 are reserved  in 627THF */
1859                         if (data->type == w83627thf)
1860                                 tmp &= 0xf0;
1861                         data->pwm[i] = tmp;
1862                         if (i == 1 &&
1863                             (data->type == w83627hf || data->type == w83697hf))
1864                                 break;
1865                 }
1866                 if (data->type == w83627hf) {
1867                                 u8 tmp = w83627hf_read_value(data,
1868                                                 W83627HF_REG_PWM_FREQ);
1869                                 data->pwm_freq[0] = tmp & 0x07;
1870                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1871                 } else if (data->type != w83627thf) {
1872                         for (i = 1; i <= 3; i++) {
1873                                 data->pwm_freq[i - 1] =
1874                                         w83627hf_read_value(data,
1875                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1876                                 if (i == 2 && (data->type == w83697hf))
1877                                         break;
1878                         }
1879                 }
1880                 if (data->type != w83627hf) {
1881                         for (i = 0; i < num_pwms; i++) {
1882                                 u8 tmp = w83627hf_read_value(data,
1883                                         W83627THF_REG_PWM_ENABLE[i]);
1884                                 data->pwm_enable[i] =
1885                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1886                                         & 0x03) + 1;
1887                         }
1888                 }
1889                 for (i = 0; i < num_temps; i++) {
1890                         data->temp[i] = w83627hf_read_value(
1891                                                 data, w83627hf_reg_temp[i]);
1892                         data->temp_max[i] = w83627hf_read_value(
1893                                                 data, w83627hf_reg_temp_over[i]);
1894                         data->temp_max_hyst[i] = w83627hf_read_value(
1895                                                 data, w83627hf_reg_temp_hyst[i]);
1896                 }
1897 
1898                 w83627hf_update_fan_div(data);
1899 
1900                 data->alarms =
1901                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1902                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1903                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1904                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1905                 data->beep_mask = (i << 8) |
1906                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1907                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1908                 data->last_updated = jiffies;
1909                 data->valid = 1;
1910         }
1911 
1912         mutex_unlock(&data->update_lock);
1913 
1914         return data;
1915 }
1916 
1917 static int __init w83627hf_device_add(unsigned short address,
1918                                       const struct w83627hf_sio_data *sio_data)
1919 {
1920         struct resource res = {
1921                 .start  = address + WINB_REGION_OFFSET,
1922                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1923                 .name   = DRVNAME,
1924                 .flags  = IORESOURCE_IO,
1925         };
1926         int err;
1927 
1928         err = acpi_check_resource_conflict(&res);
1929         if (err)
1930                 goto exit;
1931 
1932         pdev = platform_device_alloc(DRVNAME, address);
1933         if (!pdev) {
1934                 err = -ENOMEM;
1935                 pr_err("Device allocation failed\n");
1936                 goto exit;
1937         }
1938 
1939         err = platform_device_add_resources(pdev, &res, 1);
1940         if (err) {
1941                 pr_err("Device resource addition failed (%d)\n", err);
1942                 goto exit_device_put;
1943         }
1944 
1945         err = platform_device_add_data(pdev, sio_data,
1946                                        sizeof(struct w83627hf_sio_data));
1947         if (err) {
1948                 pr_err("Platform data allocation failed\n");
1949                 goto exit_device_put;
1950         }
1951 
1952         err = platform_device_add(pdev);
1953         if (err) {
1954                 pr_err("Device addition failed (%d)\n", err);
1955                 goto exit_device_put;
1956         }
1957 
1958         return 0;
1959 
1960 exit_device_put:
1961         platform_device_put(pdev);
1962 exit:
1963         return err;
1964 }
1965 
1966 static int __init sensors_w83627hf_init(void)
1967 {
1968         int err;
1969         unsigned short address;
1970         struct w83627hf_sio_data sio_data;
1971 
1972         if (w83627hf_find(0x2e, &address, &sio_data)
1973          && w83627hf_find(0x4e, &address, &sio_data))
1974                 return -ENODEV;
1975 
1976         err = platform_driver_register(&w83627hf_driver);
1977         if (err)
1978                 goto exit;
1979 
1980         /* Sets global pdev as a side effect */
1981         err = w83627hf_device_add(address, &sio_data);
1982         if (err)
1983                 goto exit_driver;
1984 
1985         return 0;
1986 
1987 exit_driver:
1988         platform_driver_unregister(&w83627hf_driver);
1989 exit:
1990         return err;
1991 }
1992 
1993 static void __exit sensors_w83627hf_exit(void)
1994 {
1995         platform_device_unregister(pdev);
1996         platform_driver_unregister(&w83627hf_driver);
1997 }
1998 
1999 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2000               "Philip Edelbrock <phil@netroedge.com>, "
2001               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2002 MODULE_DESCRIPTION("W83627HF driver");
2003 MODULE_LICENSE("GPL");
2004 
2005 module_init(sensors_w83627hf_init);
2006 module_exit(sensors_w83627hf_exit);
2007 

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