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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                 .name   = DRVNAME,
478                 .pm     = W83627HF_DEV_PM_OPS,
479         },
480         .probe          = w83627hf_probe,
481         .remove         = w83627hf_remove,
482 };
483 
484 static ssize_t
485 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
486 {
487         int nr = to_sensor_dev_attr(devattr)->index;
488         struct w83627hf_data *data = w83627hf_update_device(dev);
489         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
490 }
491 static ssize_t
492 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
493 {
494         int nr = to_sensor_dev_attr(devattr)->index;
495         struct w83627hf_data *data = w83627hf_update_device(dev);
496         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
497 }
498 static ssize_t
499 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
500 {
501         int nr = to_sensor_dev_attr(devattr)->index;
502         struct w83627hf_data *data = w83627hf_update_device(dev);
503         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
504 }
505 static ssize_t
506 store_in_min(struct device *dev, struct device_attribute *devattr,
507              const char *buf, size_t count)
508 {
509         int nr = to_sensor_dev_attr(devattr)->index;
510         struct w83627hf_data *data = dev_get_drvdata(dev);
511         long val;
512         int err;
513 
514         err = kstrtol(buf, 10, &val);
515         if (err)
516                 return err;
517 
518         mutex_lock(&data->update_lock);
519         data->in_min[nr] = IN_TO_REG(val);
520         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
521         mutex_unlock(&data->update_lock);
522         return count;
523 }
524 static ssize_t
525 store_in_max(struct device *dev, struct device_attribute *devattr,
526              const char *buf, size_t count)
527 {
528         int nr = to_sensor_dev_attr(devattr)->index;
529         struct w83627hf_data *data = dev_get_drvdata(dev);
530         long val;
531         int err;
532 
533         err = kstrtol(buf, 10, &val);
534         if (err)
535                 return err;
536 
537         mutex_lock(&data->update_lock);
538         data->in_max[nr] = IN_TO_REG(val);
539         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
540         mutex_unlock(&data->update_lock);
541         return count;
542 }
543 #define sysfs_vin_decl(offset) \
544 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
545                           show_in_input, NULL, offset);         \
546 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
547                           show_in_min, store_in_min, offset);   \
548 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
549                           show_in_max, store_in_max, offset);
550 
551 sysfs_vin_decl(1);
552 sysfs_vin_decl(2);
553 sysfs_vin_decl(3);
554 sysfs_vin_decl(4);
555 sysfs_vin_decl(5);
556 sysfs_vin_decl(6);
557 sysfs_vin_decl(7);
558 sysfs_vin_decl(8);
559 
560 /* use a different set of functions for in0 */
561 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
562 {
563         long in0;
564 
565         if ((data->vrm_ovt & 0x01) &&
566                 (w83627thf == data->type || w83637hf == data->type
567                  || w83687thf == data->type))
568 
569                 /* use VRM9 calculation */
570                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
571         else
572                 /* use VRM8 (standard) calculation */
573                 in0 = (long)IN_FROM_REG(reg);
574 
575         return sprintf(buf,"%ld\n", in0);
576 }
577 
578 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
579 {
580         struct w83627hf_data *data = w83627hf_update_device(dev);
581         return show_in_0(data, buf, data->in[0]);
582 }
583 
584 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
585 {
586         struct w83627hf_data *data = w83627hf_update_device(dev);
587         return show_in_0(data, buf, data->in_min[0]);
588 }
589 
590 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
591 {
592         struct w83627hf_data *data = w83627hf_update_device(dev);
593         return show_in_0(data, buf, data->in_max[0]);
594 }
595 
596 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
597         const char *buf, size_t count)
598 {
599         struct w83627hf_data *data = dev_get_drvdata(dev);
600         unsigned long val;
601         int err;
602 
603         err = kstrtoul(buf, 10, &val);
604         if (err)
605                 return err;
606 
607         mutex_lock(&data->update_lock);
608         
609         if ((data->vrm_ovt & 0x01) &&
610                 (w83627thf == data->type || w83637hf == data->type
611                  || w83687thf == data->type))
612 
613                 /* use VRM9 calculation */
614                 data->in_min[0] =
615                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
616         else
617                 /* use VRM8 (standard) calculation */
618                 data->in_min[0] = IN_TO_REG(val);
619 
620         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
621         mutex_unlock(&data->update_lock);
622         return count;
623 }
624 
625 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
626         const char *buf, size_t count)
627 {
628         struct w83627hf_data *data = dev_get_drvdata(dev);
629         unsigned long val;
630         int err;
631 
632         err = kstrtoul(buf, 10, &val);
633         if (err)
634                 return err;
635 
636         mutex_lock(&data->update_lock);
637 
638         if ((data->vrm_ovt & 0x01) &&
639                 (w83627thf == data->type || w83637hf == data->type
640                  || w83687thf == data->type))
641                 
642                 /* use VRM9 calculation */
643                 data->in_max[0] =
644                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
645         else
646                 /* use VRM8 (standard) calculation */
647                 data->in_max[0] = IN_TO_REG(val);
648 
649         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
650         mutex_unlock(&data->update_lock);
651         return count;
652 }
653 
654 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
655 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
656         show_regs_in_min0, store_regs_in_min0);
657 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
658         show_regs_in_max0, store_regs_in_max0);
659 
660 static ssize_t
661 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
662 {
663         int nr = to_sensor_dev_attr(devattr)->index;
664         struct w83627hf_data *data = w83627hf_update_device(dev);
665         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
666                                 (long)DIV_FROM_REG(data->fan_div[nr])));
667 }
668 static ssize_t
669 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
670 {
671         int nr = to_sensor_dev_attr(devattr)->index;
672         struct w83627hf_data *data = w83627hf_update_device(dev);
673         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
674                                 (long)DIV_FROM_REG(data->fan_div[nr])));
675 }
676 static ssize_t
677 store_fan_min(struct device *dev, struct device_attribute *devattr,
678               const char *buf, size_t count)
679 {
680         int nr = to_sensor_dev_attr(devattr)->index;
681         struct w83627hf_data *data = dev_get_drvdata(dev);
682         unsigned long val;
683         int err;
684 
685         err = kstrtoul(buf, 10, &val);
686         if (err)
687                 return err;
688 
689         mutex_lock(&data->update_lock);
690         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
691         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
692                              data->fan_min[nr]);
693 
694         mutex_unlock(&data->update_lock);
695         return count;
696 }
697 #define sysfs_fan_decl(offset)  \
698 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
699                           show_fan_input, NULL, offset - 1);            \
700 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
701                           show_fan_min, store_fan_min, offset - 1);
702 
703 sysfs_fan_decl(1);
704 sysfs_fan_decl(2);
705 sysfs_fan_decl(3);
706 
707 static ssize_t
708 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
709 {
710         int nr = to_sensor_dev_attr(devattr)->index;
711         struct w83627hf_data *data = w83627hf_update_device(dev);
712 
713         u16 tmp = data->temp[nr];
714         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
715                                           : (long) TEMP_FROM_REG(tmp));
716 }
717 
718 static ssize_t
719 show_temp_max(struct device *dev, struct device_attribute *devattr,
720               char *buf)
721 {
722         int nr = to_sensor_dev_attr(devattr)->index;
723         struct w83627hf_data *data = w83627hf_update_device(dev);
724 
725         u16 tmp = data->temp_max[nr];
726         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
727                                           : (long) TEMP_FROM_REG(tmp));
728 }
729 
730 static ssize_t
731 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
732                    char *buf)
733 {
734         int nr = to_sensor_dev_attr(devattr)->index;
735         struct w83627hf_data *data = w83627hf_update_device(dev);
736 
737         u16 tmp = data->temp_max_hyst[nr];
738         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
739                                           : (long) TEMP_FROM_REG(tmp));
740 }
741 
742 static ssize_t
743 store_temp_max(struct device *dev, struct device_attribute *devattr,
744                const char *buf, size_t count)
745 {
746         int nr = to_sensor_dev_attr(devattr)->index;
747         struct w83627hf_data *data = dev_get_drvdata(dev);
748         u16 tmp;
749         long val;
750         int err;
751 
752         err = kstrtol(buf, 10, &val);
753         if (err)
754                 return err;
755 
756         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
757         mutex_lock(&data->update_lock);
758         data->temp_max[nr] = tmp;
759         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
760         mutex_unlock(&data->update_lock);
761         return count;
762 }
763 
764 static ssize_t
765 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
766                     const char *buf, size_t count)
767 {
768         int nr = to_sensor_dev_attr(devattr)->index;
769         struct w83627hf_data *data = dev_get_drvdata(dev);
770         u16 tmp;
771         long val;
772         int err;
773 
774         err = kstrtol(buf, 10, &val);
775         if (err)
776                 return err;
777 
778         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
779         mutex_lock(&data->update_lock);
780         data->temp_max_hyst[nr] = tmp;
781         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
782         mutex_unlock(&data->update_lock);
783         return count;
784 }
785 
786 #define sysfs_temp_decl(offset) \
787 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
788                           show_temp, NULL, offset - 1);                 \
789 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
790                           show_temp_max, store_temp_max, offset - 1);   \
791 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
792                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
793 
794 sysfs_temp_decl(1);
795 sysfs_temp_decl(2);
796 sysfs_temp_decl(3);
797 
798 static ssize_t
799 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
800 {
801         struct w83627hf_data *data = w83627hf_update_device(dev);
802         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
803 }
804 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
805 
806 static ssize_t
807 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
808 {
809         struct w83627hf_data *data = dev_get_drvdata(dev);
810         return sprintf(buf, "%ld\n", (long) data->vrm);
811 }
812 static ssize_t
813 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
814 {
815         struct w83627hf_data *data = dev_get_drvdata(dev);
816         unsigned long val;
817         int err;
818 
819         err = kstrtoul(buf, 10, &val);
820         if (err)
821                 return err;
822 
823         if (val > 255)
824                 return -EINVAL;
825         data->vrm = val;
826 
827         return count;
828 }
829 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
830 
831 static ssize_t
832 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
833 {
834         struct w83627hf_data *data = w83627hf_update_device(dev);
835         return sprintf(buf, "%ld\n", (long) data->alarms);
836 }
837 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
838 
839 static ssize_t
840 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
841 {
842         struct w83627hf_data *data = w83627hf_update_device(dev);
843         int bitnr = to_sensor_dev_attr(attr)->index;
844         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
845 }
846 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
847 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
848 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
849 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
850 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
851 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
852 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
853 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
854 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
855 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
856 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
857 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
858 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
859 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
860 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
861 
862 static ssize_t
863 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
864 {
865         struct w83627hf_data *data = w83627hf_update_device(dev);
866         return sprintf(buf, "%ld\n",
867                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
868 }
869 
870 static ssize_t
871 store_beep_mask(struct device *dev, struct device_attribute *attr,
872                 const char *buf, size_t count)
873 {
874         struct w83627hf_data *data = dev_get_drvdata(dev);
875         unsigned long val;
876         int err;
877 
878         err = kstrtoul(buf, 10, &val);
879         if (err)
880                 return err;
881 
882         mutex_lock(&data->update_lock);
883 
884         /* preserve beep enable */
885         data->beep_mask = (data->beep_mask & 0x8000)
886                         | BEEP_MASK_TO_REG(val);
887         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
888                             data->beep_mask & 0xff);
889         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
890                             ((data->beep_mask) >> 16) & 0xff);
891         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
892                             (data->beep_mask >> 8) & 0xff);
893 
894         mutex_unlock(&data->update_lock);
895         return count;
896 }
897 
898 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
899                    show_beep_mask, store_beep_mask);
900 
901 static ssize_t
902 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
903 {
904         struct w83627hf_data *data = w83627hf_update_device(dev);
905         int bitnr = to_sensor_dev_attr(attr)->index;
906         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
907 }
908 
909 static ssize_t
910 store_beep(struct device *dev, struct device_attribute *attr,
911                 const char *buf, size_t count)
912 {
913         struct w83627hf_data *data = dev_get_drvdata(dev);
914         int bitnr = to_sensor_dev_attr(attr)->index;
915         u8 reg;
916         unsigned long bit;
917         int err;
918 
919         err = kstrtoul(buf, 10, &bit);
920         if (err)
921                 return err;
922 
923         if (bit & ~1)
924                 return -EINVAL;
925 
926         mutex_lock(&data->update_lock);
927         if (bit)
928                 data->beep_mask |= (1 << bitnr);
929         else
930                 data->beep_mask &= ~(1 << bitnr);
931 
932         if (bitnr < 8) {
933                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
934                 if (bit)
935                         reg |= (1 << bitnr);
936                 else
937                         reg &= ~(1 << bitnr);
938                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
939         } else if (bitnr < 16) {
940                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
941                 if (bit)
942                         reg |= (1 << (bitnr - 8));
943                 else
944                         reg &= ~(1 << (bitnr - 8));
945                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
946         } else {
947                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
948                 if (bit)
949                         reg |= (1 << (bitnr - 16));
950                 else
951                         reg &= ~(1 << (bitnr - 16));
952                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
953         }
954         mutex_unlock(&data->update_lock);
955 
956         return count;
957 }
958 
959 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
960                         show_beep, store_beep, 0);
961 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
962                         show_beep, store_beep, 1);
963 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
964                         show_beep, store_beep, 2);
965 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
966                         show_beep, store_beep, 3);
967 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
968                         show_beep, store_beep, 8);
969 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
970                         show_beep, store_beep, 9);
971 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
972                         show_beep, store_beep, 10);
973 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
974                         show_beep, store_beep, 16);
975 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
976                         show_beep, store_beep, 17);
977 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
978                         show_beep, store_beep, 6);
979 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
980                         show_beep, store_beep, 7);
981 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
982                         show_beep, store_beep, 11);
983 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
984                         show_beep, store_beep, 4);
985 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
986                         show_beep, store_beep, 5);
987 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
988                         show_beep, store_beep, 13);
989 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
990                         show_beep, store_beep, 15);
991 
992 static ssize_t
993 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
994 {
995         int nr = to_sensor_dev_attr(devattr)->index;
996         struct w83627hf_data *data = w83627hf_update_device(dev);
997         return sprintf(buf, "%ld\n",
998                        (long) DIV_FROM_REG(data->fan_div[nr]));
999 }
1000 /*
1001  * Note: we save and restore the fan minimum here, because its value is
1002  * determined in part by the fan divisor.  This follows the principle of
1003  * least surprise; the user doesn't expect the fan minimum to change just
1004  * because the divisor changed.
1005  */
1006 static ssize_t
1007 store_fan_div(struct device *dev, struct device_attribute *devattr,
1008               const char *buf, size_t count)
1009 {
1010         int nr = to_sensor_dev_attr(devattr)->index;
1011         struct w83627hf_data *data = dev_get_drvdata(dev);
1012         unsigned long min;
1013         u8 reg;
1014         unsigned long val;
1015         int err;
1016 
1017         err = kstrtoul(buf, 10, &val);
1018         if (err)
1019                 return err;
1020 
1021         mutex_lock(&data->update_lock);
1022 
1023         /* Save fan_min */
1024         min = FAN_FROM_REG(data->fan_min[nr],
1025                            DIV_FROM_REG(data->fan_div[nr]));
1026 
1027         data->fan_div[nr] = DIV_TO_REG(val);
1028 
1029         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1030                & (nr==0 ? 0xcf : 0x3f))
1031             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1032         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1033 
1034         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1035                & ~(1 << (5 + nr)))
1036             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1037         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1038 
1039         /* Restore fan_min */
1040         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1041         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1042 
1043         mutex_unlock(&data->update_lock);
1044         return count;
1045 }
1046 
1047 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1048                           show_fan_div, store_fan_div, 0);
1049 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1050                           show_fan_div, store_fan_div, 1);
1051 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1052                           show_fan_div, store_fan_div, 2);
1053 
1054 static ssize_t
1055 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1056 {
1057         int nr = to_sensor_dev_attr(devattr)->index;
1058         struct w83627hf_data *data = w83627hf_update_device(dev);
1059         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1060 }
1061 
1062 static ssize_t
1063 store_pwm(struct device *dev, struct device_attribute *devattr,
1064           const char *buf, size_t count)
1065 {
1066         int nr = to_sensor_dev_attr(devattr)->index;
1067         struct w83627hf_data *data = dev_get_drvdata(dev);
1068         unsigned long val;
1069         int err;
1070 
1071         err = kstrtoul(buf, 10, &val);
1072         if (err)
1073                 return err;
1074 
1075         mutex_lock(&data->update_lock);
1076 
1077         if (data->type == w83627thf) {
1078                 /* bits 0-3 are reserved  in 627THF */
1079                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1080                 w83627hf_write_value(data,
1081                                      W836X7HF_REG_PWM(data->type, nr),
1082                                      data->pwm[nr] |
1083                                      (w83627hf_read_value(data,
1084                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1085         } else {
1086                 data->pwm[nr] = PWM_TO_REG(val);
1087                 w83627hf_write_value(data,
1088                                      W836X7HF_REG_PWM(data->type, nr),
1089                                      data->pwm[nr]);
1090         }
1091 
1092         mutex_unlock(&data->update_lock);
1093         return count;
1094 }
1095 
1096 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1097 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1098 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1099 
1100 static ssize_t
1101 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1102 {
1103         int nr = to_sensor_dev_attr(devattr)->index;
1104         struct w83627hf_data *data = w83627hf_update_device(dev);
1105         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1106 }
1107 
1108 static ssize_t
1109 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1110           const char *buf, size_t count)
1111 {
1112         int nr = to_sensor_dev_attr(devattr)->index;
1113         struct w83627hf_data *data = dev_get_drvdata(dev);
1114         u8 reg;
1115         unsigned long val;
1116         int err;
1117 
1118         err = kstrtoul(buf, 10, &val);
1119         if (err)
1120                 return err;
1121 
1122         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1123                 return -EINVAL;
1124         mutex_lock(&data->update_lock);
1125         data->pwm_enable[nr] = val;
1126         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1127         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1128         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1129         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1130         mutex_unlock(&data->update_lock);
1131         return count;
1132 }
1133 
1134 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1135                                                   store_pwm_enable, 0);
1136 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1137                                                   store_pwm_enable, 1);
1138 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1139                                                   store_pwm_enable, 2);
1140 
1141 static ssize_t
1142 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1143 {
1144         int nr = to_sensor_dev_attr(devattr)->index;
1145         struct w83627hf_data *data = w83627hf_update_device(dev);
1146         if (data->type == w83627hf)
1147                 return sprintf(buf, "%ld\n",
1148                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1149         else
1150                 return sprintf(buf, "%ld\n",
1151                         pwm_freq_from_reg(data->pwm_freq[nr]));
1152 }
1153 
1154 static ssize_t
1155 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1156                const char *buf, size_t count)
1157 {
1158         int nr = to_sensor_dev_attr(devattr)->index;
1159         struct w83627hf_data *data = dev_get_drvdata(dev);
1160         static const u8 mask[]={0xF8, 0x8F};
1161         unsigned long val;
1162         int err;
1163 
1164         err = kstrtoul(buf, 10, &val);
1165         if (err)
1166                 return err;
1167 
1168         mutex_lock(&data->update_lock);
1169 
1170         if (data->type == w83627hf) {
1171                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1172                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1173                                 (data->pwm_freq[nr] << (nr*4)) |
1174                                 (w83627hf_read_value(data,
1175                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1176         } else {
1177                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1178                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1179                                 data->pwm_freq[nr]);
1180         }
1181 
1182         mutex_unlock(&data->update_lock);
1183         return count;
1184 }
1185 
1186 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1187                           show_pwm_freq, store_pwm_freq, 0);
1188 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1189                           show_pwm_freq, store_pwm_freq, 1);
1190 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1191                           show_pwm_freq, store_pwm_freq, 2);
1192 
1193 static ssize_t
1194 show_temp_type(struct device *dev, struct device_attribute *devattr,
1195                char *buf)
1196 {
1197         int nr = to_sensor_dev_attr(devattr)->index;
1198         struct w83627hf_data *data = w83627hf_update_device(dev);
1199         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1200 }
1201 
1202 static ssize_t
1203 store_temp_type(struct device *dev, struct device_attribute *devattr,
1204                 const char *buf, size_t count)
1205 {
1206         int nr = to_sensor_dev_attr(devattr)->index;
1207         struct w83627hf_data *data = dev_get_drvdata(dev);
1208         unsigned long val;
1209         u32 tmp;
1210         int err;
1211 
1212         err = kstrtoul(buf, 10, &val);
1213         if (err)
1214                 return err;
1215 
1216         mutex_lock(&data->update_lock);
1217 
1218         switch (val) {
1219         case 1:         /* PII/Celeron diode */
1220                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1221                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1222                                     tmp | BIT_SCFG1[nr]);
1223                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1224                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1225                                     tmp | BIT_SCFG2[nr]);
1226                 data->sens[nr] = val;
1227                 break;
1228         case 2:         /* 3904 */
1229                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1230                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1231                                     tmp | BIT_SCFG1[nr]);
1232                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1233                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1234                                     tmp & ~BIT_SCFG2[nr]);
1235                 data->sens[nr] = val;
1236                 break;
1237         case W83781D_DEFAULT_BETA:
1238                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1239                          "instead\n", W83781D_DEFAULT_BETA);
1240                 /* fall through */
1241         case 4:         /* thermistor */
1242                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1243                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1244                                     tmp & ~BIT_SCFG1[nr]);
1245                 data->sens[nr] = val;
1246                 break;
1247         default:
1248                 dev_err(dev,
1249                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1250                        (long) val);
1251                 break;
1252         }
1253 
1254         mutex_unlock(&data->update_lock);
1255         return count;
1256 }
1257 
1258 #define sysfs_temp_type(offset) \
1259 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1260                           show_temp_type, store_temp_type, offset - 1);
1261 
1262 sysfs_temp_type(1);
1263 sysfs_temp_type(2);
1264 sysfs_temp_type(3);
1265 
1266 static ssize_t
1267 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1268 {
1269         struct w83627hf_data *data = dev_get_drvdata(dev);
1270 
1271         return sprintf(buf, "%s\n", data->name);
1272 }
1273 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1274 
1275 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1276                                 struct w83627hf_sio_data *sio_data)
1277 {
1278         int err = -ENODEV;
1279         u16 val;
1280 
1281         static __initconst char *const names[] = {
1282                 "W83627HF",
1283                 "W83627THF",
1284                 "W83697HF",
1285                 "W83637HF",
1286                 "W83687THF",
1287         };
1288 
1289         sio_data->sioaddr = sioaddr;
1290         superio_enter(sio_data);
1291         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1292         switch (val) {
1293         case W627_DEVID:
1294                 sio_data->type = w83627hf;
1295                 break;
1296         case W627THF_DEVID:
1297                 sio_data->type = w83627thf;
1298                 break;
1299         case W697_DEVID:
1300                 sio_data->type = w83697hf;
1301                 break;
1302         case W637_DEVID:
1303                 sio_data->type = w83637hf;
1304                 break;
1305         case W687THF_DEVID:
1306                 sio_data->type = w83687thf;
1307                 break;
1308         case 0xff:      /* No device at all */
1309                 goto exit;
1310         default:
1311                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1312                 goto exit;
1313         }
1314 
1315         superio_select(sio_data, W83627HF_LD_HWM);
1316         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1317                superio_inb(sio_data, WINB_BASE_REG + 1);
1318         *addr = val & WINB_ALIGNMENT;
1319         if (*addr == 0) {
1320                 pr_warn("Base address not set, skipping\n");
1321                 goto exit;
1322         }
1323 
1324         val = superio_inb(sio_data, WINB_ACT_REG);
1325         if (!(val & 0x01)) {
1326                 pr_warn("Enabling HWM logical device\n");
1327                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1328         }
1329 
1330         err = 0;
1331         pr_info(DRVNAME ": Found %s chip at %#x\n",
1332                 names[sio_data->type], *addr);
1333 
1334  exit:
1335         superio_exit(sio_data);
1336         return err;
1337 }
1338 
1339 #define VIN_UNIT_ATTRS(_X_)     \
1340         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1341         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1342         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1343         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1344         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1345 
1346 #define FAN_UNIT_ATTRS(_X_)     \
1347         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1348         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1349         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1350         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1351         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1352 
1353 #define TEMP_UNIT_ATTRS(_X_)    \
1354         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1355         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1356         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1357         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1358         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1359         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1360 
1361 static struct attribute *w83627hf_attributes[] = {
1362         &dev_attr_in0_input.attr,
1363         &dev_attr_in0_min.attr,
1364         &dev_attr_in0_max.attr,
1365         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1366         &sensor_dev_attr_in0_beep.dev_attr.attr,
1367         VIN_UNIT_ATTRS(2),
1368         VIN_UNIT_ATTRS(3),
1369         VIN_UNIT_ATTRS(4),
1370         VIN_UNIT_ATTRS(7),
1371         VIN_UNIT_ATTRS(8),
1372 
1373         FAN_UNIT_ATTRS(1),
1374         FAN_UNIT_ATTRS(2),
1375 
1376         TEMP_UNIT_ATTRS(1),
1377         TEMP_UNIT_ATTRS(2),
1378 
1379         &dev_attr_alarms.attr,
1380         &sensor_dev_attr_beep_enable.dev_attr.attr,
1381         &dev_attr_beep_mask.attr,
1382 
1383         &sensor_dev_attr_pwm1.dev_attr.attr,
1384         &sensor_dev_attr_pwm2.dev_attr.attr,
1385         &dev_attr_name.attr,
1386         NULL
1387 };
1388 
1389 static const struct attribute_group w83627hf_group = {
1390         .attrs = w83627hf_attributes,
1391 };
1392 
1393 static struct attribute *w83627hf_attributes_opt[] = {
1394         VIN_UNIT_ATTRS(1),
1395         VIN_UNIT_ATTRS(5),
1396         VIN_UNIT_ATTRS(6),
1397 
1398         FAN_UNIT_ATTRS(3),
1399         TEMP_UNIT_ATTRS(3),
1400         &sensor_dev_attr_pwm3.dev_attr.attr,
1401 
1402         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1403         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1404         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1405 
1406         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1407         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1408         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1409 
1410         NULL
1411 };
1412 
1413 static const struct attribute_group w83627hf_group_opt = {
1414         .attrs = w83627hf_attributes_opt,
1415 };
1416 
1417 static int w83627hf_probe(struct platform_device *pdev)
1418 {
1419         struct device *dev = &pdev->dev;
1420         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1421         struct w83627hf_data *data;
1422         struct resource *res;
1423         int err, i;
1424 
1425         static const char *names[] = {
1426                 "w83627hf",
1427                 "w83627thf",
1428                 "w83697hf",
1429                 "w83637hf",
1430                 "w83687thf",
1431         };
1432 
1433         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1434         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1435                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1436                         (unsigned long)res->start,
1437                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1438                 return -EBUSY;
1439         }
1440 
1441         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1442         if (!data)
1443                 return -ENOMEM;
1444 
1445         data->addr = res->start;
1446         data->type = sio_data->type;
1447         data->name = names[sio_data->type];
1448         mutex_init(&data->lock);
1449         mutex_init(&data->update_lock);
1450         platform_set_drvdata(pdev, data);
1451 
1452         /* Initialize the chip */
1453         w83627hf_init_device(pdev);
1454 
1455         /* A few vars need to be filled upon startup */
1456         for (i = 0; i <= 2; i++)
1457                 data->fan_min[i] = w83627hf_read_value(
1458                                         data, W83627HF_REG_FAN_MIN(i));
1459         w83627hf_update_fan_div(data);
1460 
1461         /* Register common device attributes */
1462         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1463         if (err)
1464                 return err;
1465 
1466         /* Register chip-specific device attributes */
1467         if (data->type == w83627hf || data->type == w83697hf)
1468                 if ((err = device_create_file(dev,
1469                                 &sensor_dev_attr_in5_input.dev_attr))
1470                  || (err = device_create_file(dev,
1471                                 &sensor_dev_attr_in5_min.dev_attr))
1472                  || (err = device_create_file(dev,
1473                                 &sensor_dev_attr_in5_max.dev_attr))
1474                  || (err = device_create_file(dev,
1475                                 &sensor_dev_attr_in5_alarm.dev_attr))
1476                  || (err = device_create_file(dev,
1477                                 &sensor_dev_attr_in5_beep.dev_attr))
1478                  || (err = device_create_file(dev,
1479                                 &sensor_dev_attr_in6_input.dev_attr))
1480                  || (err = device_create_file(dev,
1481                                 &sensor_dev_attr_in6_min.dev_attr))
1482                  || (err = device_create_file(dev,
1483                                 &sensor_dev_attr_in6_max.dev_attr))
1484                  || (err = device_create_file(dev,
1485                                 &sensor_dev_attr_in6_alarm.dev_attr))
1486                  || (err = device_create_file(dev,
1487                                 &sensor_dev_attr_in6_beep.dev_attr))
1488                  || (err = device_create_file(dev,
1489                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1490                  || (err = device_create_file(dev,
1491                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1492                         goto error;
1493 
1494         if (data->type != w83697hf)
1495                 if ((err = device_create_file(dev,
1496                                 &sensor_dev_attr_in1_input.dev_attr))
1497                  || (err = device_create_file(dev,
1498                                 &sensor_dev_attr_in1_min.dev_attr))
1499                  || (err = device_create_file(dev,
1500                                 &sensor_dev_attr_in1_max.dev_attr))
1501                  || (err = device_create_file(dev,
1502                                 &sensor_dev_attr_in1_alarm.dev_attr))
1503                  || (err = device_create_file(dev,
1504                                 &sensor_dev_attr_in1_beep.dev_attr))
1505                  || (err = device_create_file(dev,
1506                                 &sensor_dev_attr_fan3_input.dev_attr))
1507                  || (err = device_create_file(dev,
1508                                 &sensor_dev_attr_fan3_min.dev_attr))
1509                  || (err = device_create_file(dev,
1510                                 &sensor_dev_attr_fan3_div.dev_attr))
1511                  || (err = device_create_file(dev,
1512                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1513                  || (err = device_create_file(dev,
1514                                 &sensor_dev_attr_fan3_beep.dev_attr))
1515                  || (err = device_create_file(dev,
1516                                 &sensor_dev_attr_temp3_input.dev_attr))
1517                  || (err = device_create_file(dev,
1518                                 &sensor_dev_attr_temp3_max.dev_attr))
1519                  || (err = device_create_file(dev,
1520                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1521                  || (err = device_create_file(dev,
1522                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1523                  || (err = device_create_file(dev,
1524                                 &sensor_dev_attr_temp3_beep.dev_attr))
1525                  || (err = device_create_file(dev,
1526                                 &sensor_dev_attr_temp3_type.dev_attr)))
1527                         goto error;
1528 
1529         if (data->type != w83697hf && data->vid != 0xff) {
1530                 /* Convert VID to voltage based on VRM */
1531                 data->vrm = vid_which_vrm();
1532 
1533                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1534                  || (err = device_create_file(dev, &dev_attr_vrm)))
1535                         goto error;
1536         }
1537 
1538         if (data->type == w83627thf || data->type == w83637hf
1539             || data->type == w83687thf) {
1540                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1541                 if (err)
1542                         goto error;
1543         }
1544 
1545         if (data->type == w83637hf || data->type == w83687thf)
1546                 if ((err = device_create_file(dev,
1547                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1548                  || (err = device_create_file(dev,
1549                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1550                  || (err = device_create_file(dev,
1551                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1552                         goto error;
1553 
1554         if (data->type != w83627hf)
1555                 if ((err = device_create_file(dev,
1556                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1557                  || (err = device_create_file(dev,
1558                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1559                         goto error;
1560 
1561         if (data->type == w83627thf || data->type == w83637hf
1562             || data->type == w83687thf) {
1563                 err = device_create_file(dev,
1564                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1565                 if (err)
1566                         goto error;
1567         }
1568 
1569         data->hwmon_dev = hwmon_device_register(dev);
1570         if (IS_ERR(data->hwmon_dev)) {
1571                 err = PTR_ERR(data->hwmon_dev);
1572                 goto error;
1573         }
1574 
1575         return 0;
1576 
1577  error:
1578         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1579         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1580         return err;
1581 }
1582 
1583 static int w83627hf_remove(struct platform_device *pdev)
1584 {
1585         struct w83627hf_data *data = platform_get_drvdata(pdev);
1586 
1587         hwmon_device_unregister(data->hwmon_dev);
1588 
1589         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1590         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1591 
1592         return 0;
1593 }
1594 
1595 
1596 /* Registers 0x50-0x5f are banked */
1597 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1598 {
1599         if ((reg & 0x00f0) == 0x50) {
1600                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1601                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1602         }
1603 }
1604 
1605 /* Not strictly necessary, but play it safe for now */
1606 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1607 {
1608         if (reg & 0xff00) {
1609                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1610                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1611         }
1612 }
1613 
1614 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1615 {
1616         int res, word_sized;
1617 
1618         mutex_lock(&data->lock);
1619         word_sized = (((reg & 0xff00) == 0x100)
1620                    || ((reg & 0xff00) == 0x200))
1621                   && (((reg & 0x00ff) == 0x50)
1622                    || ((reg & 0x00ff) == 0x53)
1623                    || ((reg & 0x00ff) == 0x55));
1624         w83627hf_set_bank(data, reg);
1625         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1626         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1627         if (word_sized) {
1628                 outb_p((reg & 0xff) + 1,
1629                        data->addr + W83781D_ADDR_REG_OFFSET);
1630                 res =
1631                     (res << 8) + inb_p(data->addr +
1632                                        W83781D_DATA_REG_OFFSET);
1633         }
1634         w83627hf_reset_bank(data, reg);
1635         mutex_unlock(&data->lock);
1636         return res;
1637 }
1638 
1639 static int w83627thf_read_gpio5(struct platform_device *pdev)
1640 {
1641         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1642         int res = 0xff, sel;
1643 
1644         superio_enter(sio_data);
1645         superio_select(sio_data, W83627HF_LD_GPIO5);
1646 
1647         /* Make sure these GPIO pins are enabled */
1648         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1649                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1650                 goto exit;
1651         }
1652 
1653         /*
1654          * Make sure the pins are configured for input
1655          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1656          */
1657         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1658         if ((sel & 0x1f) != 0x1f) {
1659                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1660                         "function\n");
1661                 goto exit;
1662         }
1663 
1664         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1665         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1666 
1667 exit:
1668         superio_exit(sio_data);
1669         return res;
1670 }
1671 
1672 static int w83687thf_read_vid(struct platform_device *pdev)
1673 {
1674         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1675         int res = 0xff;
1676 
1677         superio_enter(sio_data);
1678         superio_select(sio_data, W83627HF_LD_HWM);
1679 
1680         /* Make sure these GPIO pins are enabled */
1681         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1682                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1683                 goto exit;
1684         }
1685 
1686         /* Make sure the pins are configured for input */
1687         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1688                 dev_dbg(&pdev->dev, "VID configured as output, "
1689                         "no VID function\n");
1690                 goto exit;
1691         }
1692 
1693         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1694 
1695 exit:
1696         superio_exit(sio_data);
1697         return res;
1698 }
1699 
1700 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1701 {
1702         int word_sized;
1703 
1704         mutex_lock(&data->lock);
1705         word_sized = (((reg & 0xff00) == 0x100)
1706                    || ((reg & 0xff00) == 0x200))
1707                   && (((reg & 0x00ff) == 0x53)
1708                    || ((reg & 0x00ff) == 0x55));
1709         w83627hf_set_bank(data, reg);
1710         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1711         if (word_sized) {
1712                 outb_p(value >> 8,
1713                        data->addr + W83781D_DATA_REG_OFFSET);
1714                 outb_p((reg & 0xff) + 1,
1715                        data->addr + W83781D_ADDR_REG_OFFSET);
1716         }
1717         outb_p(value & 0xff,
1718                data->addr + W83781D_DATA_REG_OFFSET);
1719         w83627hf_reset_bank(data, reg);
1720         mutex_unlock(&data->lock);
1721         return 0;
1722 }
1723 
1724 static void w83627hf_init_device(struct platform_device *pdev)
1725 {
1726         struct w83627hf_data *data = platform_get_drvdata(pdev);
1727         int i;
1728         enum chips type = data->type;
1729         u8 tmp;
1730 
1731         /* Minimize conflicts with other winbond i2c-only clients...  */
1732         /* disable i2c subclients... how to disable main i2c client?? */
1733         /* force i2c address to relatively uncommon address */
1734         if (type == w83627hf) {
1735                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1736                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1737         }
1738 
1739         /* Read VID only once */
1740         if (type == w83627hf || type == w83637hf) {
1741                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1742                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1743                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1744         } else if (type == w83627thf) {
1745                 data->vid = w83627thf_read_gpio5(pdev);
1746         } else if (type == w83687thf) {
1747                 data->vid = w83687thf_read_vid(pdev);
1748         }
1749 
1750         /* Read VRM & OVT Config only once */
1751         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1752                 data->vrm_ovt = 
1753                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1754         }
1755 
1756         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1757         for (i = 1; i <= 3; i++) {
1758                 if (!(tmp & BIT_SCFG1[i - 1])) {
1759                         data->sens[i - 1] = 4;
1760                 } else {
1761                         if (w83627hf_read_value
1762                             (data,
1763                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1764                                 data->sens[i - 1] = 1;
1765                         else
1766                                 data->sens[i - 1] = 2;
1767                 }
1768                 if ((type == w83697hf) && (i == 2))
1769                         break;
1770         }
1771 
1772         if(init) {
1773                 /* Enable temp2 */
1774                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1775                 if (tmp & 0x01) {
1776                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1777                                  "might not make sense\n");
1778                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1779                                 tmp & 0xfe);
1780                 }
1781 
1782                 /* Enable temp3 */
1783                 if (type != w83697hf) {
1784                         tmp = w83627hf_read_value(data,
1785                                 W83627HF_REG_TEMP3_CONFIG);
1786                         if (tmp & 0x01) {
1787                                 dev_warn(&pdev->dev, "Enabling temp3, "
1788                                          "readings might not make sense\n");
1789                                 w83627hf_write_value(data,
1790                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1791                         }
1792                 }
1793         }
1794 
1795         /* Start monitoring */
1796         w83627hf_write_value(data, W83781D_REG_CONFIG,
1797                             (w83627hf_read_value(data,
1798                                                 W83781D_REG_CONFIG) & 0xf7)
1799                             | 0x01);
1800 
1801         /* Enable VBAT monitoring if needed */
1802         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1803         if (!(tmp & 0x01))
1804                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1805 }
1806 
1807 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1808 {
1809         int reg;
1810 
1811         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1812         data->fan_div[0] = (reg >> 4) & 0x03;
1813         data->fan_div[1] = (reg >> 6) & 0x03;
1814         if (data->type != w83697hf) {
1815                 data->fan_div[2] = (w83627hf_read_value(data,
1816                                        W83781D_REG_PIN) >> 6) & 0x03;
1817         }
1818         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1819         data->fan_div[0] |= (reg >> 3) & 0x04;
1820         data->fan_div[1] |= (reg >> 4) & 0x04;
1821         if (data->type != w83697hf)
1822                 data->fan_div[2] |= (reg >> 5) & 0x04;
1823 }
1824 
1825 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1826 {
1827         struct w83627hf_data *data = dev_get_drvdata(dev);
1828         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1829         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1830 
1831         mutex_lock(&data->update_lock);
1832 
1833         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1834             || !data->valid) {
1835                 for (i = 0; i <= 8; i++) {
1836                         /* skip missing sensors */
1837                         if (((data->type == w83697hf) && (i == 1)) ||
1838                             ((data->type != w83627hf && data->type != w83697hf)
1839                             && (i == 5 || i == 6)))
1840                                 continue;
1841                         data->in[i] =
1842                             w83627hf_read_value(data, W83781D_REG_IN(i));
1843                         data->in_min[i] =
1844                             w83627hf_read_value(data,
1845                                                W83781D_REG_IN_MIN(i));
1846                         data->in_max[i] =
1847                             w83627hf_read_value(data,
1848                                                W83781D_REG_IN_MAX(i));
1849                 }
1850                 for (i = 0; i <= 2; i++) {
1851                         data->fan[i] =
1852                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1853                         data->fan_min[i] =
1854                             w83627hf_read_value(data,
1855                                                W83627HF_REG_FAN_MIN(i));
1856                 }
1857                 for (i = 0; i <= 2; i++) {
1858                         u8 tmp = w83627hf_read_value(data,
1859                                 W836X7HF_REG_PWM(data->type, i));
1860                         /* bits 0-3 are reserved  in 627THF */
1861                         if (data->type == w83627thf)
1862                                 tmp &= 0xf0;
1863                         data->pwm[i] = tmp;
1864                         if (i == 1 &&
1865                             (data->type == w83627hf || data->type == w83697hf))
1866                                 break;
1867                 }
1868                 if (data->type == w83627hf) {
1869                                 u8 tmp = w83627hf_read_value(data,
1870                                                 W83627HF_REG_PWM_FREQ);
1871                                 data->pwm_freq[0] = tmp & 0x07;
1872                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1873                 } else if (data->type != w83627thf) {
1874                         for (i = 1; i <= 3; i++) {
1875                                 data->pwm_freq[i - 1] =
1876                                         w83627hf_read_value(data,
1877                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1878                                 if (i == 2 && (data->type == w83697hf))
1879                                         break;
1880                         }
1881                 }
1882                 if (data->type != w83627hf) {
1883                         for (i = 0; i < num_pwms; i++) {
1884                                 u8 tmp = w83627hf_read_value(data,
1885                                         W83627THF_REG_PWM_ENABLE[i]);
1886                                 data->pwm_enable[i] =
1887                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1888                                         & 0x03) + 1;
1889                         }
1890                 }
1891                 for (i = 0; i < num_temps; i++) {
1892                         data->temp[i] = w83627hf_read_value(
1893                                                 data, w83627hf_reg_temp[i]);
1894                         data->temp_max[i] = w83627hf_read_value(
1895                                                 data, w83627hf_reg_temp_over[i]);
1896                         data->temp_max_hyst[i] = w83627hf_read_value(
1897                                                 data, w83627hf_reg_temp_hyst[i]);
1898                 }
1899 
1900                 w83627hf_update_fan_div(data);
1901 
1902                 data->alarms =
1903                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1904                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1905                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1906                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1907                 data->beep_mask = (i << 8) |
1908                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1909                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1910                 data->last_updated = jiffies;
1911                 data->valid = 1;
1912         }
1913 
1914         mutex_unlock(&data->update_lock);
1915 
1916         return data;
1917 }
1918 
1919 static int __init w83627hf_device_add(unsigned short address,
1920                                       const struct w83627hf_sio_data *sio_data)
1921 {
1922         struct resource res = {
1923                 .start  = address + WINB_REGION_OFFSET,
1924                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1925                 .name   = DRVNAME,
1926                 .flags  = IORESOURCE_IO,
1927         };
1928         int err;
1929 
1930         err = acpi_check_resource_conflict(&res);
1931         if (err)
1932                 goto exit;
1933 
1934         pdev = platform_device_alloc(DRVNAME, address);
1935         if (!pdev) {
1936                 err = -ENOMEM;
1937                 pr_err("Device allocation failed\n");
1938                 goto exit;
1939         }
1940 
1941         err = platform_device_add_resources(pdev, &res, 1);
1942         if (err) {
1943                 pr_err("Device resource addition failed (%d)\n", err);
1944                 goto exit_device_put;
1945         }
1946 
1947         err = platform_device_add_data(pdev, sio_data,
1948                                        sizeof(struct w83627hf_sio_data));
1949         if (err) {
1950                 pr_err("Platform data allocation failed\n");
1951                 goto exit_device_put;
1952         }
1953 
1954         err = platform_device_add(pdev);
1955         if (err) {
1956                 pr_err("Device addition failed (%d)\n", err);
1957                 goto exit_device_put;
1958         }
1959 
1960         return 0;
1961 
1962 exit_device_put:
1963         platform_device_put(pdev);
1964 exit:
1965         return err;
1966 }
1967 
1968 static int __init sensors_w83627hf_init(void)
1969 {
1970         int err;
1971         unsigned short address;
1972         struct w83627hf_sio_data sio_data;
1973 
1974         if (w83627hf_find(0x2e, &address, &sio_data)
1975          && w83627hf_find(0x4e, &address, &sio_data))
1976                 return -ENODEV;
1977 
1978         err = platform_driver_register(&w83627hf_driver);
1979         if (err)
1980                 goto exit;
1981 
1982         /* Sets global pdev as a side effect */
1983         err = w83627hf_device_add(address, &sio_data);
1984         if (err)
1985                 goto exit_driver;
1986 
1987         return 0;
1988 
1989 exit_driver:
1990         platform_driver_unregister(&w83627hf_driver);
1991 exit:
1992         return err;
1993 }
1994 
1995 static void __exit sensors_w83627hf_exit(void)
1996 {
1997         platform_device_unregister(pdev);
1998         platform_driver_unregister(&w83627hf_driver);
1999 }
2000 
2001 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2002               "Philip Edelbrock <phil@netroedge.com>, "
2003               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2004 MODULE_DESCRIPTION("W83627HF driver");
2005 MODULE_LICENSE("GPL");
2006 
2007 module_init(sensors_w83627hf_init);
2008 module_exit(sensors_w83627hf_exit);
2009 

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