drivers/hwmon/w83627hf.c

   1 /*
   2  * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3  *              monitoring
   4  * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5  *                            Philip Edelbrock <phil@netroedge.com>,
   6  *                            and Mark Studebaker <mdsxyz123@yahoo.com>
   7  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8  * Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /*
  26  * Supports following chips:
  27  *
  28  * Chip #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34  *
  35  * For other winbond chips, and for i2c support in the above chips,
  36  * use w83781d.c.
  37  *
  38  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39  * supported yet.
  40  */
  41
  42 #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)  (SENSORS_LIMIT((((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 = SENSORS_LIMIT(rpm, 1, 1000000);
 265         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 266                              254);
 267 }
 268
 269 #define TEMP_MIN (-128000)
 270 #define TEMP_MAX ( 127000)
 271
 272 /*
 273  * TEMP: 0.001C/bit (-128C to +127C)
 274  * REG: 1C/bit, two's complement
 275  */
 276 static u8 TEMP_TO_REG(long temp)
 277 {
 278         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 279         ntemp += (ntemp<0 ? -500 : 500);
 280         return (u8)(ntemp / 1000);
 281 }
 282
 283 static int TEMP_FROM_REG(u8 reg)
 284 {
 285         return (s8)reg * 1000;
 286 }
 287
 288 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 289
 290 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 291
 292 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 293 {
 294         unsigned long freq;
 295         freq = W83627HF_BASE_PWM_FREQ >> reg;
 296         return freq;
 297 }
 298 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 299 {
 300         u8 i;
 301         /*
 302          * Only 5 dividers (1 2 4 8 16)
 303          * Search for the nearest available frequency
 304          */
 305         for (i = 0; i < 4; i++) {
 306                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 307                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 308                         break;
 309         }
 310         return i;
 311 }
 312
 313 static inline unsigned long pwm_freq_from_reg(u8 reg)
 314 {
 315         /* Clock bit 8 -> 180 kHz or 24 MHz */
 316         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 317
 318         reg &= 0x7f;
 319         /* This should not happen but anyway... */
 320         if (reg == 0)
 321                 reg++;
 322         return clock / (reg << 8);
 323 }
 324 static inline u8 pwm_freq_to_reg(unsigned long val)
 325 {
 326         /* Minimum divider value is 0x01 and maximum is 0x7F */
 327         if (val >= 93750)       /* The highest we can do */
 328                 return 0x01;
 329         if (val >= 720) /* Use 24 MHz clock */
 330                 return 24000000UL / (val << 8);
 331         if (val < 6)            /* The lowest we can do */
 332                 return 0xFF;
 333         else                    /* Use 180 kHz clock */
 334                 return 0x80 | (180000UL / (val << 8));
 335 }
 336
 337 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 338 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 339
 340 #define DIV_FROM_REG(val) (1 << (val))
 341
 342 static inline u8 DIV_TO_REG(long val)
 343 {
 344         int i;
 345         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 346         for (i = 0; i < 7; i++) {
 347                 if (val == 0)
 348                         break;
 349                 val >>= 1;
 350         }
 351         return (u8)i;
 352 }
 353
 354 /*
 355  * For each registered chip, we need to keep some data in memory.
 356  * The structure is dynamically allocated.
 357  */
 358 struct w83627hf_data {
 359         unsigned short addr;
 360         const char *name;
 361         struct device *hwmon_dev;
 362         struct mutex lock;
 363         enum chips type;
 364
 365         struct mutex update_lock;
 366         char valid;             /* !=0 if following fields are valid */
 367         unsigned long last_updated;     /* In jiffies */
 368
 369         u8 in[9];               /* Register value */
 370         u8 in_max[9];           /* Register value */
 371         u8 in_min[9];           /* Register value */
 372         u8 fan[3];              /* Register value */
 373         u8 fan_min[3];          /* Register value */
 374         u16 temp[3];            /* Register value */
 375         u16 temp_max[3];        /* Register value */
 376         u16 temp_max_hyst[3];   /* Register value */
 377         u8 fan_div[3];          /* Register encoding, shifted right */
 378         u8 vid;                 /* Register encoding, combined */
 379         u32 alarms;             /* Register encoding, combined */
 380         u32 beep_mask;          /* Register encoding, combined */
 381         u8 pwm[3];              /* Register value */
 382         u8 pwm_enable[3];       /* 1 = manual
 383                                  * 2 = thermal cruise (also called SmartFan I)
 384                                  * 3 = fan speed cruise
 385                                  */
 386         u8 pwm_freq[3];         /* Register value */
 387         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 388                                  * 4 = thermistor
 389                                  */
 390         u8 vrm;
 391         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 392 };
 393
 394
 395 static int w83627hf_probe(struct platform_device *pdev);
 396 static int __devexit w83627hf_remove(struct platform_device *pdev);
 397
 398 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 399 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 400 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 401 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 402 static void w83627hf_init_device(struct platform_device *pdev);
 403
 404 static struct platform_driver w83627hf_driver = {
 405         .driver = {
 406                 .owner  = THIS_MODULE,
 407                 .name   = DRVNAME,
 408         },
 409         .probe          = w83627hf_probe,
 410         .remove         = __devexit_p(w83627hf_remove),
 411 };
 412
 413 static ssize_t
 414 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 415 {
 416         int nr = to_sensor_dev_attr(devattr)->index;
 417         struct w83627hf_data *data = w83627hf_update_device(dev);
 418         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 419 }
 420 static ssize_t
 421 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 422 {
 423         int nr = to_sensor_dev_attr(devattr)->index;
 424         struct w83627hf_data *data = w83627hf_update_device(dev);
 425         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 426 }
 427 static ssize_t
 428 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 429 {
 430         int nr = to_sensor_dev_attr(devattr)->index;
 431         struct w83627hf_data *data = w83627hf_update_device(dev);
 432         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 433 }
 434 static ssize_t
 435 store_in_min(struct device *dev, struct device_attribute *devattr,
 436              const char *buf, size_t count)
 437 {
 438         int nr = to_sensor_dev_attr(devattr)->index;
 439         struct w83627hf_data *data = dev_get_drvdata(dev);
 440         long val;
 441         int err;
 442
 443         err = kstrtol(buf, 10, &val);
 444         if (err)
 445                 return err;
 446
 447         mutex_lock(&data->update_lock);
 448         data->in_min[nr] = IN_TO_REG(val);
 449         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 450         mutex_unlock(&data->update_lock);
 451         return count;
 452 }
 453 static ssize_t
 454 store_in_max(struct device *dev, struct device_attribute *devattr,
 455              const char *buf, size_t count)
 456 {
 457         int nr = to_sensor_dev_attr(devattr)->index;
 458         struct w83627hf_data *data = dev_get_drvdata(dev);
 459         long val;
 460         int err;
 461
 462         err = kstrtol(buf, 10, &val);
 463         if (err)
 464                 return err;
 465
 466         mutex_lock(&data->update_lock);
 467         data->in_max[nr] = IN_TO_REG(val);
 468         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 469         mutex_unlock(&data->update_lock);
 470         return count;
 471 }
 472 #define sysfs_vin_decl(offset) \
 473 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 474                           show_in_input, NULL, offset);         \
 475 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 476                           show_in_min, store_in_min, offset);   \
 477 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 478                           show_in_max, store_in_max, offset);
 479
 480 sysfs_vin_decl(1);
 481 sysfs_vin_decl(2);
 482 sysfs_vin_decl(3);
 483 sysfs_vin_decl(4);
 484 sysfs_vin_decl(5);
 485 sysfs_vin_decl(6);
 486 sysfs_vin_decl(7);
 487 sysfs_vin_decl(8);
 488
 489 /* use a different set of functions for in0 */
 490 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 491 {
 492         long in0;
 493
 494         if ((data->vrm_ovt & 0x01) &&
 495                 (w83627thf == data->type || w83637hf == data->type
 496                  || w83687thf == data->type))
 497
 498                 /* use VRM9 calculation */
 499                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 500         else
 501                 /* use VRM8 (standard) calculation */
 502                 in0 = (long)IN_FROM_REG(reg);
 503
 504         return sprintf(buf,"%ld\n", in0);
 505 }
 506
 507 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 508 {
 509         struct w83627hf_data *data = w83627hf_update_device(dev);
 510         return show_in_0(data, buf, data->in[0]);
 511 }
 512
 513 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 514 {
 515         struct w83627hf_data *data = w83627hf_update_device(dev);
 516         return show_in_0(data, buf, data->in_min[0]);
 517 }
 518
 519 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 520 {
 521         struct w83627hf_data *data = w83627hf_update_device(dev);
 522         return show_in_0(data, buf, data->in_max[0]);
 523 }
 524
 525 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 526         const char *buf, size_t count)
 527 {
 528         struct w83627hf_data *data = dev_get_drvdata(dev);
 529         unsigned long val;
 530         int err;
 531
 532         err = kstrtoul(buf, 10, &val);
 533         if (err)
 534                 return err;
 535
 536         mutex_lock(&data->update_lock);
 537
 538         if ((data->vrm_ovt & 0x01) &&
 539                 (w83627thf == data->type || w83637hf == data->type
 540                  || w83687thf == data->type))
 541
 542                 /* use VRM9 calculation */
 543                 data->in_min[0] =
 544                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 545                                         255);
 546         else
 547                 /* use VRM8 (standard) calculation */
 548                 data->in_min[0] = IN_TO_REG(val);
 549
 550         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 551         mutex_unlock(&data->update_lock);
 552         return count;
 553 }
 554
 555 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 556         const char *buf, size_t count)
 557 {
 558         struct w83627hf_data *data = dev_get_drvdata(dev);
 559         unsigned long val;
 560         int err;
 561
 562         err = kstrtoul(buf, 10, &val);
 563         if (err)
 564                 return err;
 565
 566         mutex_lock(&data->update_lock);
 567
 568         if ((data->vrm_ovt & 0x01) &&
 569                 (w83627thf == data->type || w83637hf == data->type
 570                  || w83687thf == data->type))
 571
 572                 /* use VRM9 calculation */
 573                 data->in_max[0] =
 574                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 575                                         255);
 576         else
 577                 /* use VRM8 (standard) calculation */
 578                 data->in_max[0] = IN_TO_REG(val);
 579
 580         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 581         mutex_unlock(&data->update_lock);
 582         return count;
 583 }
 584
 585 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 586 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 587         show_regs_in_min0, store_regs_in_min0);
 588 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 589         show_regs_in_max0, store_regs_in_max0);
 590
 591 static ssize_t
 592 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 593 {
 594         int nr = to_sensor_dev_attr(devattr)->index;
 595         struct w83627hf_data *data = w83627hf_update_device(dev);
 596         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 597                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 598 }
 599 static ssize_t
 600 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 601 {
 602         int nr = to_sensor_dev_attr(devattr)->index;
 603         struct w83627hf_data *data = w83627hf_update_device(dev);
 604         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 605                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 606 }
 607 static ssize_t
 608 store_fan_min(struct device *dev, struct device_attribute *devattr,
 609               const char *buf, size_t count)
 610 {
 611         int nr = to_sensor_dev_attr(devattr)->index;
 612         struct w83627hf_data *data = dev_get_drvdata(dev);
 613         unsigned long val;
 614         int err;
 615
 616         err = kstrtoul(buf, 10, &val);
 617         if (err)
 618                 return err;
 619
 620         mutex_lock(&data->update_lock);
 621         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 622         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 623                              data->fan_min[nr]);
 624
 625         mutex_unlock(&data->update_lock);
 626         return count;
 627 }
 628 #define sysfs_fan_decl(offset)  \
 629 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 630                           show_fan_input, NULL, offset - 1);            \
 631 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 632                           show_fan_min, store_fan_min, offset - 1);
 633
 634 sysfs_fan_decl(1);
 635 sysfs_fan_decl(2);
 636 sysfs_fan_decl(3);
 637
 638 static ssize_t
 639 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 640 {
 641         int nr = to_sensor_dev_attr(devattr)->index;
 642         struct w83627hf_data *data = w83627hf_update_device(dev);
 643
 644         u16 tmp = data->temp[nr];
 645         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 646                                           : (long) TEMP_FROM_REG(tmp));
 647 }
 648
 649 static ssize_t
 650 show_temp_max(struct device *dev, struct device_attribute *devattr,
 651               char *buf)
 652 {
 653         int nr = to_sensor_dev_attr(devattr)->index;
 654         struct w83627hf_data *data = w83627hf_update_device(dev);
 655
 656         u16 tmp = data->temp_max[nr];
 657         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 658                                           : (long) TEMP_FROM_REG(tmp));
 659 }
 660
 661 static ssize_t
 662 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 663                    char *buf)
 664 {
 665         int nr = to_sensor_dev_attr(devattr)->index;
 666         struct w83627hf_data *data = w83627hf_update_device(dev);
 667
 668         u16 tmp = data->temp_max_hyst[nr];
 669         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 670                                           : (long) TEMP_FROM_REG(tmp));
 671 }
 672
 673 static ssize_t
 674 store_temp_max(struct device *dev, struct device_attribute *devattr,
 675                const char *buf, size_t count)
 676 {
 677         int nr = to_sensor_dev_attr(devattr)->index;
 678         struct w83627hf_data *data = dev_get_drvdata(dev);
 679         u16 tmp;
 680         long val;
 681         int err;
 682
 683         err = kstrtol(buf, 10, &val);
 684         if (err)
 685                 return err;
 686
 687         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 688         mutex_lock(&data->update_lock);
 689         data->temp_max[nr] = tmp;
 690         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 691         mutex_unlock(&data->update_lock);
 692         return count;
 693 }
 694
 695 static ssize_t
 696 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 697                     const char *buf, size_t count)
 698 {
 699         int nr = to_sensor_dev_attr(devattr)->index;
 700         struct w83627hf_data *data = dev_get_drvdata(dev);
 701         u16 tmp;
 702         long val;
 703         int err;
 704
 705         err = kstrtol(buf, 10, &val);
 706         if (err)
 707                 return err;
 708
 709         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 710         mutex_lock(&data->update_lock);
 711         data->temp_max_hyst[nr] = tmp;
 712         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 713         mutex_unlock(&data->update_lock);
 714         return count;
 715 }
 716
 717 #define sysfs_temp_decl(offset) \
 718 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 719                           show_temp, NULL, offset - 1);                 \
 720 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 721                           show_temp_max, store_temp_max, offset - 1);   \
 722 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 723                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 724
 725 sysfs_temp_decl(1);
 726 sysfs_temp_decl(2);
 727 sysfs_temp_decl(3);
 728
 729 static ssize_t
 730 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 731 {
 732         struct w83627hf_data *data = w83627hf_update_device(dev);
 733         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 734 }
 735 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 736
 737 static ssize_t
 738 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 739 {
 740         struct w83627hf_data *data = dev_get_drvdata(dev);
 741         return sprintf(buf, "%ld\n", (long) data->vrm);
 742 }
 743 static ssize_t
 744 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 745 {
 746         struct w83627hf_data *data = dev_get_drvdata(dev);
 747         unsigned long val;
 748         int err;
 749
 750         err = kstrtoul(buf, 10, &val);
 751         if (err)
 752                 return err;
 753         data->vrm = val;
 754
 755         return count;
 756 }
 757 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 758
 759 static ssize_t
 760 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 761 {
 762         struct w83627hf_data *data = w83627hf_update_device(dev);
 763         return sprintf(buf, "%ld\n", (long) data->alarms);
 764 }
 765 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 766
 767 static ssize_t
 768 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 769 {
 770         struct w83627hf_data *data = w83627hf_update_device(dev);
 771         int bitnr = to_sensor_dev_attr(attr)->index;
 772         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 773 }
 774 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 775 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 776 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 777 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 778 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 779 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 780 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 781 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 782 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 783 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 784 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 785 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 786 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 787 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 788 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 789
 790 static ssize_t
 791 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 792 {
 793         struct w83627hf_data *data = w83627hf_update_device(dev);
 794         return sprintf(buf, "%ld\n",
 795                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 796 }
 797
 798 static ssize_t
 799 store_beep_mask(struct device *dev, struct device_attribute *attr,
 800                 const char *buf, size_t count)
 801 {
 802         struct w83627hf_data *data = dev_get_drvdata(dev);
 803         unsigned long val;
 804         int err;
 805
 806         err = kstrtoul(buf, 10, &val);
 807         if (err)
 808                 return err;
 809
 810         mutex_lock(&data->update_lock);
 811
 812         /* preserve beep enable */
 813         data->beep_mask = (data->beep_mask & 0x8000)
 814                         | BEEP_MASK_TO_REG(val);
 815         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 816                             data->beep_mask & 0xff);
 817         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 818                             ((data->beep_mask) >> 16) & 0xff);
 819         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 820                             (data->beep_mask >> 8) & 0xff);
 821
 822         mutex_unlock(&data->update_lock);
 823         return count;
 824 }
 825
 826 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 827                    show_beep_mask, store_beep_mask);
 828
 829 static ssize_t
 830 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 831 {
 832         struct w83627hf_data *data = w83627hf_update_device(dev);
 833         int bitnr = to_sensor_dev_attr(attr)->index;
 834         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 835 }
 836
 837 static ssize_t
 838 store_beep(struct device *dev, struct device_attribute *attr,
 839                 const char *buf, size_t count)
 840 {
 841         struct w83627hf_data *data = dev_get_drvdata(dev);
 842         int bitnr = to_sensor_dev_attr(attr)->index;
 843         u8 reg;
 844         unsigned long bit;
 845         int err;
 846
 847         err = kstrtoul(buf, 10, &bit);
 848         if (err)
 849                 return err;
 850
 851         if (bit & ~1)
 852                 return -EINVAL;
 853
 854         mutex_lock(&data->update_lock);
 855         if (bit)
 856                 data->beep_mask |= (1 << bitnr);
 857         else
 858                 data->beep_mask &= ~(1 << bitnr);
 859
 860         if (bitnr < 8) {
 861                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 862                 if (bit)
 863                         reg |= (1 << bitnr);
 864                 else
 865                         reg &= ~(1 << bitnr);
 866                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 867         } else if (bitnr < 16) {
 868                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 869                 if (bit)
 870                         reg |= (1 << (bitnr - 8));
 871                 else
 872                         reg &= ~(1 << (bitnr - 8));
 873                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 874         } else {
 875                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 876                 if (bit)
 877                         reg |= (1 << (bitnr - 16));
 878                 else
 879                         reg &= ~(1 << (bitnr - 16));
 880                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 881         }
 882         mutex_unlock(&data->update_lock);
 883
 884         return count;
 885 }
 886
 887 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 888                         show_beep, store_beep, 0);
 889 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 890                         show_beep, store_beep, 1);
 891 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 892                         show_beep, store_beep, 2);
 893 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 894                         show_beep, store_beep, 3);
 895 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 896                         show_beep, store_beep, 8);
 897 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 898                         show_beep, store_beep, 9);
 899 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 900                         show_beep, store_beep, 10);
 901 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 902                         show_beep, store_beep, 16);
 903 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 904                         show_beep, store_beep, 17);
 905 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 906                         show_beep, store_beep, 6);
 907 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 908                         show_beep, store_beep, 7);
 909 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 910                         show_beep, store_beep, 11);
 911 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 912                         show_beep, store_beep, 4);
 913 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 914                         show_beep, store_beep, 5);
 915 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 916                         show_beep, store_beep, 13);
 917 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 918                         show_beep, store_beep, 15);
 919
 920 static ssize_t
 921 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 922 {
 923         int nr = to_sensor_dev_attr(devattr)->index;
 924         struct w83627hf_data *data = w83627hf_update_device(dev);
 925         return sprintf(buf, "%ld\n",
 926                        (long) DIV_FROM_REG(data->fan_div[nr]));
 927 }
 928 /*
 929  * Note: we save and restore the fan minimum here, because its value is
 930  * determined in part by the fan divisor.  This follows the principle of
 931  * least surprise; the user doesn't expect the fan minimum to change just
 932  * because the divisor changed.
 933  */
 934 static ssize_t
 935 store_fan_div(struct device *dev, struct device_attribute *devattr,
 936               const char *buf, size_t count)
 937 {
 938         int nr = to_sensor_dev_attr(devattr)->index;
 939         struct w83627hf_data *data = dev_get_drvdata(dev);
 940         unsigned long min;
 941         u8 reg;
 942         unsigned long val;
 943         int err;
 944
 945         err = kstrtoul(buf, 10, &val);
 946         if (err)
 947                 return err;
 948
 949         mutex_lock(&data->update_lock);
 950
 951         /* Save fan_min */
 952         min = FAN_FROM_REG(data->fan_min[nr],
 953                            DIV_FROM_REG(data->fan_div[nr]));
 954
 955         data->fan_div[nr] = DIV_TO_REG(val);
 956
 957         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 958                & (nr==0 ? 0xcf : 0x3f))
 959             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 960         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 961
 962         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 963                & ~(1 << (5 + nr)))
 964             | ((data->fan_div[nr] & 0x04) << (3 + nr));
 965         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 966
 967         /* Restore fan_min */
 968         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 969         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 970
 971         mutex_unlock(&data->update_lock);
 972         return count;
 973 }
 974
 975 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 976                           show_fan_div, store_fan_div, 0);
 977 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 978                           show_fan_div, store_fan_div, 1);
 979 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 980                           show_fan_div, store_fan_div, 2);
 981
 982 static ssize_t
 983 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 984 {
 985         int nr = to_sensor_dev_attr(devattr)->index;
 986         struct w83627hf_data *data = w83627hf_update_device(dev);
 987         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 988 }
 989
 990 static ssize_t
 991 store_pwm(struct device *dev, struct device_attribute *devattr,
 992           const char *buf, size_t count)
 993 {
 994         int nr = to_sensor_dev_attr(devattr)->index;
 995         struct w83627hf_data *data = dev_get_drvdata(dev);
 996         unsigned long val;
 997         int err;
 998
 999         err = kstrtoul(buf, 10, &val);
1000         if (err)
1001                 return err;
1002
1003         mutex_lock(&data->update_lock);
1004
1005         if (data->type == w83627thf) {
1006                 /* bits 0-3 are reserved  in 627THF */
1007                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1008                 w83627hf_write_value(data,
1009                                      W836X7HF_REG_PWM(data->type, nr),
1010                                      data->pwm[nr] |
1011                                      (w83627hf_read_value(data,
1012                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1013         } else {
1014                 data->pwm[nr] = PWM_TO_REG(val);
1015                 w83627hf_write_value(data,
1016                                      W836X7HF_REG_PWM(data->type, nr),
1017                                      data->pwm[nr]);
1018         }
1019
1020         mutex_unlock(&data->update_lock);
1021         return count;
1022 }
1023
1024 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1025 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1026 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1027
1028 static ssize_t
1029 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1030 {
1031         int nr = to_sensor_dev_attr(devattr)->index;
1032         struct w83627hf_data *data = w83627hf_update_device(dev);
1033         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1034 }
1035
1036 static ssize_t
1037 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1038           const char *buf, size_t count)
1039 {
1040         int nr = to_sensor_dev_attr(devattr)->index;
1041         struct w83627hf_data *data = dev_get_drvdata(dev);
1042         u8 reg;
1043         unsigned long val;
1044         int err;
1045
1046         err = kstrtoul(buf, 10, &val);
1047         if (err)
1048                 return err;
1049
1050         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1051                 return -EINVAL;
1052         mutex_lock(&data->update_lock);
1053         data->pwm_enable[nr] = val;
1054         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1055         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1056         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1057         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1058         mutex_unlock(&data->update_lock);
1059         return count;
1060 }
1061
1062 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1063                                                   store_pwm_enable, 0);
1064 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1065                                                   store_pwm_enable, 1);
1066 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1067                                                   store_pwm_enable, 2);
1068
1069 static ssize_t
1070 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1071 {
1072         int nr = to_sensor_dev_attr(devattr)->index;
1073         struct w83627hf_data *data = w83627hf_update_device(dev);
1074         if (data->type == w83627hf)
1075                 return sprintf(buf, "%ld\n",
1076                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1077         else
1078                 return sprintf(buf, "%ld\n",
1079                         pwm_freq_from_reg(data->pwm_freq[nr]));
1080 }
1081
1082 static ssize_t
1083 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1084                const char *buf, size_t count)
1085 {
1086         int nr = to_sensor_dev_attr(devattr)->index;
1087         struct w83627hf_data *data = dev_get_drvdata(dev);
1088         static const u8 mask[]={0xF8, 0x8F};
1089         unsigned long val;
1090         int err;
1091
1092         err = kstrtoul(buf, 10, &val);
1093         if (err)
1094                 return err;
1095
1096         mutex_lock(&data->update_lock);
1097
1098         if (data->type == w83627hf) {
1099                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1100                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1101                                 (data->pwm_freq[nr] << (nr*4)) |
1102                                 (w83627hf_read_value(data,
1103                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1104         } else {
1105                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1106                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1107                                 data->pwm_freq[nr]);
1108         }
1109
1110         mutex_unlock(&data->update_lock);
1111         return count;
1112 }
1113
1114 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1115                           show_pwm_freq, store_pwm_freq, 0);
1116 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1117                           show_pwm_freq, store_pwm_freq, 1);
1118 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1119                           show_pwm_freq, store_pwm_freq, 2);
1120
1121 static ssize_t
1122 show_temp_type(struct device *dev, struct device_attribute *devattr,
1123                char *buf)
1124 {
1125         int nr = to_sensor_dev_attr(devattr)->index;
1126         struct w83627hf_data *data = w83627hf_update_device(dev);
1127         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1128 }
1129
1130 static ssize_t
1131 store_temp_type(struct device *dev, struct device_attribute *devattr,
1132                 const char *buf, size_t count)
1133 {
1134         int nr = to_sensor_dev_attr(devattr)->index;
1135         struct w83627hf_data *data = dev_get_drvdata(dev);
1136         unsigned long val;
1137         u32 tmp;
1138         int err;
1139
1140         err = kstrtoul(buf, 10, &val);
1141         if (err)
1142                 return err;
1143
1144         mutex_lock(&data->update_lock);
1145
1146         switch (val) {
1147         case 1:         /* PII/Celeron diode */
1148                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1149                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1150                                     tmp | BIT_SCFG1[nr]);
1151                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1152                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1153                                     tmp | BIT_SCFG2[nr]);
1154                 data->sens[nr] = val;
1155                 break;
1156         case 2:         /* 3904 */
1157                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1158                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1159                                     tmp | BIT_SCFG1[nr]);
1160                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1161                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1162                                     tmp & ~BIT_SCFG2[nr]);
1163                 data->sens[nr] = val;
1164                 break;
1165         case W83781D_DEFAULT_BETA:
1166                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1167                          "instead\n", W83781D_DEFAULT_BETA);
1168                 /* fall through */
1169         case 4:         /* thermistor */
1170                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1171                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1172                                     tmp & ~BIT_SCFG1[nr]);
1173                 data->sens[nr] = val;
1174                 break;
1175         default:
1176                 dev_err(dev,
1177                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1178                        (long) val);
1179                 break;
1180         }
1181
1182         mutex_unlock(&data->update_lock);
1183         return count;
1184 }
1185
1186 #define sysfs_temp_type(offset) \
1187 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1188                           show_temp_type, store_temp_type, offset - 1);
1189
1190 sysfs_temp_type(1);
1191 sysfs_temp_type(2);
1192 sysfs_temp_type(3);
1193
1194 static ssize_t
1195 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1196 {
1197         struct w83627hf_data *data = dev_get_drvdata(dev);
1198
1199         return sprintf(buf, "%s\n", data->name);
1200 }
1201 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1202
1203 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1204                                 struct w83627hf_sio_data *sio_data)
1205 {
1206         int err = -ENODEV;
1207         u16 val;
1208
1209         static const __initdata char *names[] = {
1210                 "W83627HF",
1211                 "W83627THF",
1212                 "W83697HF",
1213                 "W83637HF",
1214                 "W83687THF",
1215         };
1216
1217         sio_data->sioaddr = sioaddr;
1218         superio_enter(sio_data);
1219         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1220         switch (val) {
1221         case W627_DEVID:
1222                 sio_data->type = w83627hf;
1223                 break;
1224         case W627THF_DEVID:
1225                 sio_data->type = w83627thf;
1226                 break;
1227         case W697_DEVID:
1228                 sio_data->type = w83697hf;
1229                 break;
1230         case W637_DEVID:
1231                 sio_data->type = w83637hf;
1232                 break;
1233         case W687THF_DEVID:
1234                 sio_data->type = w83687thf;
1235                 break;
1236         case 0xff:      /* No device at all */
1237                 goto exit;
1238         default:
1239                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1240                 goto exit;
1241         }
1242
1243         superio_select(sio_data, W83627HF_LD_HWM);
1244         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1245                superio_inb(sio_data, WINB_BASE_REG + 1);
1246         *addr = val & WINB_ALIGNMENT;
1247         if (*addr == 0) {
1248                 pr_warn("Base address not set, skipping\n");
1249                 goto exit;
1250         }
1251
1252         val = superio_inb(sio_data, WINB_ACT_REG);
1253         if (!(val & 0x01)) {
1254                 pr_warn("Enabling HWM logical device\n");
1255                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1256         }
1257
1258         err = 0;
1259         pr_info(DRVNAME ": Found %s chip at %#x\n",
1260                 names[sio_data->type], *addr);
1261
1262  exit:
1263         superio_exit(sio_data);
1264         return err;
1265 }
1266
1267 #define VIN_UNIT_ATTRS(_X_)     \
1268         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1269         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1270         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1271         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1272         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1273
1274 #define FAN_UNIT_ATTRS(_X_)     \
1275         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1276         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1277         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1278         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1279         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1280
1281 #define TEMP_UNIT_ATTRS(_X_)    \
1282         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1283         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1284         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1285         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1286         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1287         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1288
1289 static struct attribute *w83627hf_attributes[] = {
1290         &dev_attr_in0_input.attr,
1291         &dev_attr_in0_min.attr,
1292         &dev_attr_in0_max.attr,
1293         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1294         &sensor_dev_attr_in0_beep.dev_attr.attr,
1295         VIN_UNIT_ATTRS(2),
1296         VIN_UNIT_ATTRS(3),
1297         VIN_UNIT_ATTRS(4),
1298         VIN_UNIT_ATTRS(7),
1299         VIN_UNIT_ATTRS(8),
1300
1301         FAN_UNIT_ATTRS(1),
1302         FAN_UNIT_ATTRS(2),
1303
1304         TEMP_UNIT_ATTRS(1),
1305         TEMP_UNIT_ATTRS(2),
1306
1307         &dev_attr_alarms.attr,
1308         &sensor_dev_attr_beep_enable.dev_attr.attr,
1309         &dev_attr_beep_mask.attr,
1310
1311         &sensor_dev_attr_pwm1.dev_attr.attr,
1312         &sensor_dev_attr_pwm2.dev_attr.attr,
1313         &dev_attr_name.attr,
1314         NULL
1315 };
1316
1317 static const struct attribute_group w83627hf_group = {
1318         .attrs = w83627hf_attributes,
1319 };
1320
1321 static struct attribute *w83627hf_attributes_opt[] = {
1322         VIN_UNIT_ATTRS(1),
1323         VIN_UNIT_ATTRS(5),
1324         VIN_UNIT_ATTRS(6),
1325
1326         FAN_UNIT_ATTRS(3),
1327         TEMP_UNIT_ATTRS(3),
1328         &sensor_dev_attr_pwm3.dev_attr.attr,
1329
1330         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1331         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1332         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1333
1334         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1335         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1336         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1337
1338         NULL
1339 };
1340
1341 static const struct attribute_group w83627hf_group_opt = {
1342         .attrs = w83627hf_attributes_opt,
1343 };
1344
1345 static int __devinit w83627hf_probe(struct platform_device *pdev)
1346 {
1347         struct device *dev = &pdev->dev;
1348         struct w83627hf_sio_data *sio_data = dev->platform_data;
1349         struct w83627hf_data *data;
1350         struct resource *res;
1351         int err, i;
1352
1353         static const char *names[] = {
1354                 "w83627hf",
1355                 "w83627thf",
1356                 "w83697hf",
1357                 "w83637hf",
1358                 "w83687thf",
1359         };
1360
1361         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1362         if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1363                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1364                         (unsigned long)res->start,
1365                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1366                 err = -EBUSY;
1367                 goto ERROR0;
1368         }
1369
1370         data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL);
1371         if (!data) {
1372                 err = -ENOMEM;
1373                 goto ERROR1;
1374         }
1375         data->addr = res->start;
1376         data->type = sio_data->type;
1377         data->name = names[sio_data->type];
1378         mutex_init(&data->lock);
1379         mutex_init(&data->update_lock);
1380         platform_set_drvdata(pdev, data);
1381
1382         /* Initialize the chip */
1383         w83627hf_init_device(pdev);
1384
1385         /* A few vars need to be filled upon startup */
1386         for (i = 0; i <= 2; i++)
1387                 data->fan_min[i] = w83627hf_read_value(
1388                                         data, W83627HF_REG_FAN_MIN(i));
1389         w83627hf_update_fan_div(data);
1390
1391         /* Register common device attributes */
1392         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1393         if (err)
1394                 goto ERROR3;
1395
1396         /* Register chip-specific device attributes */
1397         if (data->type == w83627hf || data->type == w83697hf)
1398                 if ((err = device_create_file(dev,
1399                                 &sensor_dev_attr_in5_input.dev_attr))
1400                  || (err = device_create_file(dev,
1401                                 &sensor_dev_attr_in5_min.dev_attr))
1402                  || (err = device_create_file(dev,
1403                                 &sensor_dev_attr_in5_max.dev_attr))
1404                  || (err = device_create_file(dev,
1405                                 &sensor_dev_attr_in5_alarm.dev_attr))
1406                  || (err = device_create_file(dev,
1407                                 &sensor_dev_attr_in5_beep.dev_attr))
1408                  || (err = device_create_file(dev,
1409                                 &sensor_dev_attr_in6_input.dev_attr))
1410                  || (err = device_create_file(dev,
1411                                 &sensor_dev_attr_in6_min.dev_attr))
1412                  || (err = device_create_file(dev,
1413                                 &sensor_dev_attr_in6_max.dev_attr))
1414                  || (err = device_create_file(dev,
1415                                 &sensor_dev_attr_in6_alarm.dev_attr))
1416                  || (err = device_create_file(dev,
1417                                 &sensor_dev_attr_in6_beep.dev_attr))
1418                  || (err = device_create_file(dev,
1419                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1420                  || (err = device_create_file(dev,
1421                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1422                         goto ERROR4;
1423
1424         if (data->type != w83697hf)
1425                 if ((err = device_create_file(dev,
1426                                 &sensor_dev_attr_in1_input.dev_attr))
1427                  || (err = device_create_file(dev,
1428                                 &sensor_dev_attr_in1_min.dev_attr))
1429                  || (err = device_create_file(dev,
1430                                 &sensor_dev_attr_in1_max.dev_attr))
1431                  || (err = device_create_file(dev,
1432                                 &sensor_dev_attr_in1_alarm.dev_attr))
1433                  || (err = device_create_file(dev,
1434                                 &sensor_dev_attr_in1_beep.dev_attr))
1435                  || (err = device_create_file(dev,
1436                                 &sensor_dev_attr_fan3_input.dev_attr))
1437                  || (err = device_create_file(dev,
1438                                 &sensor_dev_attr_fan3_min.dev_attr))
1439                  || (err = device_create_file(dev,
1440                                 &sensor_dev_attr_fan3_div.dev_attr))
1441                  || (err = device_create_file(dev,
1442                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1443                  || (err = device_create_file(dev,
1444                                 &sensor_dev_attr_fan3_beep.dev_attr))
1445                  || (err = device_create_file(dev,
1446                                 &sensor_dev_attr_temp3_input.dev_attr))
1447                  || (err = device_create_file(dev,
1448                                 &sensor_dev_attr_temp3_max.dev_attr))
1449                  || (err = device_create_file(dev,
1450                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1451                  || (err = device_create_file(dev,
1452                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1453                  || (err = device_create_file(dev,
1454                                 &sensor_dev_attr_temp3_beep.dev_attr))
1455                  || (err = device_create_file(dev,
1456                                 &sensor_dev_attr_temp3_type.dev_attr)))
1457                         goto ERROR4;
1458
1459         if (data->type != w83697hf && data->vid != 0xff) {
1460                 /* Convert VID to voltage based on VRM */
1461                 data->vrm = vid_which_vrm();
1462
1463                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1464                  || (err = device_create_file(dev, &dev_attr_vrm)))
1465                         goto ERROR4;
1466         }
1467
1468         if (data->type == w83627thf || data->type == w83637hf
1469             || data->type == w83687thf) {
1470                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1471                 if (err)
1472                         goto ERROR4;
1473         }
1474
1475         if (data->type == w83637hf || data->type == w83687thf)
1476                 if ((err = device_create_file(dev,
1477                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1478                  || (err = device_create_file(dev,
1479                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1480                  || (err = device_create_file(dev,
1481                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1482                         goto ERROR4;
1483
1484         if (data->type != w83627hf)
1485                 if ((err = device_create_file(dev,
1486                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1487                  || (err = device_create_file(dev,
1488                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1489                         goto ERROR4;
1490
1491         if (data->type == w83627thf || data->type == w83637hf
1492             || data->type == w83687thf) {
1493                 err = device_create_file(dev,
1494                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1495                 if (err)
1496                         goto ERROR4;
1497         }
1498
1499         data->hwmon_dev = hwmon_device_register(dev);
1500         if (IS_ERR(data->hwmon_dev)) {
1501                 err = PTR_ERR(data->hwmon_dev);
1502                 goto ERROR4;
1503         }
1504
1505         return 0;
1506
1507       ERROR4:
1508         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1509         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1510       ERROR3:
1511         platform_set_drvdata(pdev, NULL);
1512         kfree(data);
1513       ERROR1:
1514         release_region(res->start, WINB_REGION_SIZE);
1515       ERROR0:
1516         return err;
1517 }
1518
1519 static int __devexit w83627hf_remove(struct platform_device *pdev)
1520 {
1521         struct w83627hf_data *data = platform_get_drvdata(pdev);
1522         struct resource *res;
1523
1524         hwmon_device_unregister(data->hwmon_dev);
1525
1526         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1527         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1528         platform_set_drvdata(pdev, NULL);
1529         kfree(data);
1530
1531         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1532         release_region(res->start, WINB_REGION_SIZE);
1533
1534         return 0;
1535 }
1536
1537
1538 /* Registers 0x50-0x5f are banked */
1539 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1540 {
1541         if ((reg & 0x00f0) == 0x50) {
1542                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1543                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1544         }
1545 }
1546
1547 /* Not strictly necessary, but play it safe for now */
1548 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1549 {
1550         if (reg & 0xff00) {
1551                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1552                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1553         }
1554 }
1555
1556 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1557 {
1558         int res, word_sized;
1559
1560         mutex_lock(&data->lock);
1561         word_sized = (((reg & 0xff00) == 0x100)
1562                    || ((reg & 0xff00) == 0x200))
1563                   && (((reg & 0x00ff) == 0x50)
1564                    || ((reg & 0x00ff) == 0x53)
1565                    || ((reg & 0x00ff) == 0x55));
1566         w83627hf_set_bank(data, reg);
1567         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1568         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1569         if (word_sized) {
1570                 outb_p((reg & 0xff) + 1,
1571                        data->addr + W83781D_ADDR_REG_OFFSET);
1572                 res =
1573                     (res << 8) + inb_p(data->addr +
1574                                        W83781D_DATA_REG_OFFSET);
1575         }
1576         w83627hf_reset_bank(data, reg);
1577         mutex_unlock(&data->lock);
1578         return res;
1579 }
1580
1581 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1582 {
1583         struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1584         int res = 0xff, sel;
1585
1586         superio_enter(sio_data);
1587         superio_select(sio_data, W83627HF_LD_GPIO5);
1588
1589         /* Make sure these GPIO pins are enabled */
1590         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1591                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1592                 goto exit;
1593         }
1594
1595         /*
1596          * Make sure the pins are configured for input
1597          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1598          */
1599         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1600         if ((sel & 0x1f) != 0x1f) {
1601                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1602                         "function\n");
1603                 goto exit;
1604         }
1605
1606         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1607         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1608
1609 exit:
1610         superio_exit(sio_data);
1611         return res;
1612 }
1613
1614 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1615 {
1616         struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1617         int res = 0xff;
1618
1619         superio_enter(sio_data);
1620         superio_select(sio_data, W83627HF_LD_HWM);
1621
1622         /* Make sure these GPIO pins are enabled */
1623         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1624                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1625                 goto exit;
1626         }
1627
1628         /* Make sure the pins are configured for input */
1629         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1630                 dev_dbg(&pdev->dev, "VID configured as output, "
1631                         "no VID function\n");
1632                 goto exit;
1633         }
1634
1635         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1636
1637 exit:
1638         superio_exit(sio_data);
1639         return res;
1640 }
1641
1642 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1643 {
1644         int word_sized;
1645
1646         mutex_lock(&data->lock);
1647         word_sized = (((reg & 0xff00) == 0x100)
1648                    || ((reg & 0xff00) == 0x200))
1649                   && (((reg & 0x00ff) == 0x53)
1650                    || ((reg & 0x00ff) == 0x55));
1651         w83627hf_set_bank(data, reg);
1652         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1653         if (word_sized) {
1654                 outb_p(value >> 8,
1655                        data->addr + W83781D_DATA_REG_OFFSET);
1656                 outb_p((reg & 0xff) + 1,
1657                        data->addr + W83781D_ADDR_REG_OFFSET);
1658         }
1659         outb_p(value & 0xff,
1660                data->addr + W83781D_DATA_REG_OFFSET);
1661         w83627hf_reset_bank(data, reg);
1662         mutex_unlock(&data->lock);
1663         return 0;
1664 }
1665
1666 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1667 {
1668         struct w83627hf_data *data = platform_get_drvdata(pdev);
1669         int i;
1670         enum chips type = data->type;
1671         u8 tmp;
1672
1673         /* Minimize conflicts with other winbond i2c-only clients...  */
1674         /* disable i2c subclients... how to disable main i2c client?? */
1675         /* force i2c address to relatively uncommon address */
1676         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1677         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1678
1679         /* Read VID only once */
1680         if (type == w83627hf || type == w83637hf) {
1681                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1682                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1683                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1684         } else if (type == w83627thf) {
1685                 data->vid = w83627thf_read_gpio5(pdev);
1686         } else if (type == w83687thf) {
1687                 data->vid = w83687thf_read_vid(pdev);
1688         }
1689
1690         /* Read VRM & OVT Config only once */
1691         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1692                 data->vrm_ovt =
1693                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1694         }
1695
1696         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1697         for (i = 1; i <= 3; i++) {
1698                 if (!(tmp & BIT_SCFG1[i - 1])) {
1699                         data->sens[i - 1] = 4;
1700                 } else {
1701                         if (w83627hf_read_value
1702                             (data,
1703                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1704                                 data->sens[i - 1] = 1;
1705                         else
1706                                 data->sens[i - 1] = 2;
1707                 }
1708                 if ((type == w83697hf) && (i == 2))
1709                         break;
1710         }
1711
1712         if(init) {
1713                 /* Enable temp2 */
1714                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1715                 if (tmp & 0x01) {
1716                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1717                                  "might not make sense\n");
1718                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1719                                 tmp & 0xfe);
1720                 }
1721
1722                 /* Enable temp3 */
1723                 if (type != w83697hf) {
1724                         tmp = w83627hf_read_value(data,
1725                                 W83627HF_REG_TEMP3_CONFIG);
1726                         if (tmp & 0x01) {
1727                                 dev_warn(&pdev->dev, "Enabling temp3, "
1728                                          "readings might not make sense\n");
1729                                 w83627hf_write_value(data,
1730                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1731                         }
1732                 }
1733         }
1734
1735         /* Start monitoring */
1736         w83627hf_write_value(data, W83781D_REG_CONFIG,
1737                             (w83627hf_read_value(data,
1738                                                 W83781D_REG_CONFIG) & 0xf7)
1739                             | 0x01);
1740
1741         /* Enable VBAT monitoring if needed */
1742         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1743         if (!(tmp & 0x01))
1744                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1745 }
1746
1747 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1748 {
1749         int reg;
1750
1751         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1752         data->fan_div[0] = (reg >> 4) & 0x03;
1753         data->fan_div[1] = (reg >> 6) & 0x03;
1754         if (data->type != w83697hf) {
1755                 data->fan_div[2] = (w83627hf_read_value(data,
1756                                        W83781D_REG_PIN) >> 6) & 0x03;
1757         }
1758         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1759         data->fan_div[0] |= (reg >> 3) & 0x04;
1760         data->fan_div[1] |= (reg >> 4) & 0x04;
1761         if (data->type != w83697hf)
1762                 data->fan_div[2] |= (reg >> 5) & 0x04;
1763 }
1764
1765 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1766 {
1767         struct w83627hf_data *data = dev_get_drvdata(dev);
1768         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1769         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1770
1771         mutex_lock(&data->update_lock);
1772
1773         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1774             || !data->valid) {
1775                 for (i = 0; i <= 8; i++) {
1776                         /* skip missing sensors */
1777                         if (((data->type == w83697hf) && (i == 1)) ||
1778                             ((data->type != w83627hf && data->type != w83697hf)
1779                             && (i == 5 || i == 6)))
1780                                 continue;
1781                         data->in[i] =
1782                             w83627hf_read_value(data, W83781D_REG_IN(i));
1783                         data->in_min[i] =
1784                             w83627hf_read_value(data,
1785                                                W83781D_REG_IN_MIN(i));
1786                         data->in_max[i] =
1787                             w83627hf_read_value(data,
1788                                                W83781D_REG_IN_MAX(i));
1789                 }
1790                 for (i = 0; i <= 2; i++) {
1791                         data->fan[i] =
1792                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1793                         data->fan_min[i] =
1794                             w83627hf_read_value(data,
1795                                                W83627HF_REG_FAN_MIN(i));
1796                 }
1797                 for (i = 0; i <= 2; i++) {
1798                         u8 tmp = w83627hf_read_value(data,
1799                                 W836X7HF_REG_PWM(data->type, i));
1800                         /* bits 0-3 are reserved  in 627THF */
1801                         if (data->type == w83627thf)
1802                                 tmp &= 0xf0;
1803                         data->pwm[i] = tmp;
1804                         if (i == 1 &&
1805                             (data->type == w83627hf || data->type == w83697hf))
1806                                 break;
1807                 }
1808                 if (data->type == w83627hf) {
1809                                 u8 tmp = w83627hf_read_value(data,
1810                                                 W83627HF_REG_PWM_FREQ);
1811                                 data->pwm_freq[0] = tmp & 0x07;
1812                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1813                 } else if (data->type != w83627thf) {
1814                         for (i = 1; i <= 3; i++) {
1815                                 data->pwm_freq[i - 1] =
1816                                         w83627hf_read_value(data,
1817                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1818                                 if (i == 2 && (data->type == w83697hf))
1819                                         break;
1820                         }
1821                 }
1822                 if (data->type != w83627hf) {
1823                         for (i = 0; i < num_pwms; i++) {
1824                                 u8 tmp = w83627hf_read_value(data,
1825                                         W83627THF_REG_PWM_ENABLE[i]);
1826                                 data->pwm_enable[i] =
1827                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1828                                         & 0x03) + 1;
1829                         }
1830                 }
1831                 for (i = 0; i < num_temps; i++) {
1832                         data->temp[i] = w83627hf_read_value(
1833                                                 data, w83627hf_reg_temp[i]);
1834                         data->temp_max[i] = w83627hf_read_value(
1835                                                 data, w83627hf_reg_temp_over[i]);
1836                         data->temp_max_hyst[i] = w83627hf_read_value(
1837                                                 data, w83627hf_reg_temp_hyst[i]);
1838                 }
1839
1840                 w83627hf_update_fan_div(data);
1841
1842                 data->alarms =
1843                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1844                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1845                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1846                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1847                 data->beep_mask = (i << 8) |
1848                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1849                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1850                 data->last_updated = jiffies;
1851                 data->valid = 1;
1852         }
1853
1854         mutex_unlock(&data->update_lock);
1855
1856         return data;
1857 }
1858
1859 static int __init w83627hf_device_add(unsigned short address,
1860                                       const struct w83627hf_sio_data *sio_data)
1861 {
1862         struct resource res = {
1863                 .start  = address + WINB_REGION_OFFSET,
1864                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1865                 .name   = DRVNAME,
1866                 .flags  = IORESOURCE_IO,
1867         };
1868         int err;
1869
1870         err = acpi_check_resource_conflict(&res);
1871         if (err)
1872                 goto exit;
1873
1874         pdev = platform_device_alloc(DRVNAME, address);
1875         if (!pdev) {
1876                 err = -ENOMEM;
1877                 pr_err("Device allocation failed\n");
1878                 goto exit;
1879         }
1880
1881         err = platform_device_add_resources(pdev, &res, 1);
1882         if (err) {
1883                 pr_err("Device resource addition failed (%d)\n", err);
1884                 goto exit_device_put;
1885         }
1886
1887         err = platform_device_add_data(pdev, sio_data,
1888                                        sizeof(struct w83627hf_sio_data));
1889         if (err) {
1890                 pr_err("Platform data allocation failed\n");
1891                 goto exit_device_put;
1892         }
1893
1894         err = platform_device_add(pdev);
1895         if (err) {
1896                 pr_err("Device addition failed (%d)\n", err);
1897                 goto exit_device_put;
1898         }
1899
1900         return 0;
1901
1902 exit_device_put:
1903         platform_device_put(pdev);
1904 exit:
1905         return err;
1906 }
1907
1908 static int __init sensors_w83627hf_init(void)
1909 {
1910         int err;
1911         unsigned short address;
1912         struct w83627hf_sio_data sio_data;
1913
1914         if (w83627hf_find(0x2e, &address, &sio_data)
1915          && w83627hf_find(0x4e, &address, &sio_data))
1916                 return -ENODEV;
1917
1918         err = platform_driver_register(&w83627hf_driver);
1919         if (err)
1920                 goto exit;
1921
1922         /* Sets global pdev as a side effect */
1923         err = w83627hf_device_add(address, &sio_data);
1924         if (err)
1925                 goto exit_driver;
1926
1927         return 0;
1928
1929 exit_driver:
1930         platform_driver_unregister(&w83627hf_driver);
1931 exit:
1932         return err;
1933 }
1934
1935 static void __exit sensors_w83627hf_exit(void)
1936 {
1937         platform_device_unregister(pdev);
1938         platform_driver_unregister(&w83627hf_driver);
1939 }
1940
1941 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1942               "Philip Edelbrock <phil@netroedge.com>, "
1943               "and Mark Studebaker <mdsxyz123@yahoo.com>");
1944 MODULE_DESCRIPTION("W83627HF driver");
1945 MODULE_LICENSE("GPL");
1946
1947 module_init(sensors_w83627hf_init);
1948 module_exit(sensors_w83627hf_exit);