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 int 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 /* Conversions. Limit checking is only done on the TO_REG
 252    variants. Note that you should be a bit careful with which arguments
 253    these macros are called: arguments may be evaluated more than once.
 254    Fixing this is just not worth it. */
 255 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 256 #define IN_FROM_REG(val) ((val) * 16)
 257
 258 static inline u8 FAN_TO_REG(long rpm, int div)
 259 {
 260         if (rpm == 0)
 261                 return 255;
 262         rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 263         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 264                              254);
 265 }
 266
 267 #define TEMP_MIN (-128000)
 268 #define TEMP_MAX ( 127000)
 269
 270 /* TEMP: 0.001C/bit (-128C to +127C)
 271    REG: 1C/bit, two's complement */
 272 static u8 TEMP_TO_REG(long temp)
 273 {
 274         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 275         ntemp += (ntemp<0 ? -500 : 500);
 276         return (u8)(ntemp / 1000);
 277 }
 278
 279 static int TEMP_FROM_REG(u8 reg)
 280 {
 281         return (s8)reg * 1000;
 282 }
 283
 284 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 285
 286 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 287
 288 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 289 {
 290         unsigned long freq;
 291         freq = W83627HF_BASE_PWM_FREQ >> reg;
 292         return freq;
 293 }
 294 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 295 {
 296         u8 i;
 297         /* Only 5 dividers (1 2 4 8 16)
 298            Search for the nearest available frequency */
 299         for (i = 0; i < 4; i++) {
 300                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 301                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 302                         break;
 303         }
 304         return i;
 305 }
 306
 307 static inline unsigned long pwm_freq_from_reg(u8 reg)
 308 {
 309         /* Clock bit 8 -> 180 kHz or 24 MHz */
 310         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 311
 312         reg &= 0x7f;
 313         /* This should not happen but anyway... */
 314         if (reg == 0)
 315                 reg++;
 316         return (clock / (reg << 8));
 317 }
 318 static inline u8 pwm_freq_to_reg(unsigned long val)
 319 {
 320         /* Minimum divider value is 0x01 and maximum is 0x7F */
 321         if (val >= 93750)       /* The highest we can do */
 322                 return 0x01;
 323         if (val >= 720) /* Use 24 MHz clock */
 324                 return (24000000UL / (val << 8));
 325         if (val < 6)            /* The lowest we can do */
 326                 return 0xFF;
 327         else                    /* Use 180 kHz clock */
 328                 return (0x80 | (180000UL / (val << 8)));
 329 }
 330
 331 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 332 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 333
 334 #define DIV_FROM_REG(val) (1 << (val))
 335
 336 static inline u8 DIV_TO_REG(long val)
 337 {
 338         int i;
 339         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 340         for (i = 0; i < 7; i++) {
 341                 if (val == 0)
 342                         break;
 343                 val >>= 1;
 344         }
 345         return ((u8) i);
 346 }
 347
 348 /* For each registered chip, we need to keep some data in memory.
 349    The structure is dynamically allocated. */
 350 struct w83627hf_data {
 351         unsigned short addr;
 352         const char *name;
 353         struct device *hwmon_dev;
 354         struct mutex lock;
 355         enum chips type;
 356
 357         struct mutex update_lock;
 358         char valid;             /* !=0 if following fields are valid */
 359         unsigned long last_updated;     /* In jiffies */
 360
 361         u8 in[9];               /* Register value */
 362         u8 in_max[9];           /* Register value */
 363         u8 in_min[9];           /* Register value */
 364         u8 fan[3];              /* Register value */
 365         u8 fan_min[3];          /* Register value */
 366         u16 temp[3];            /* Register value */
 367         u16 temp_max[3];        /* Register value */
 368         u16 temp_max_hyst[3];   /* Register value */
 369         u8 fan_div[3];          /* Register encoding, shifted right */
 370         u8 vid;                 /* Register encoding, combined */
 371         u32 alarms;             /* Register encoding, combined */
 372         u32 beep_mask;          /* Register encoding, combined */
 373         u8 pwm[3];              /* Register value */
 374         u8 pwm_enable[3];       /* 1 = manual
 375                                    2 = thermal cruise (also called SmartFan I)
 376                                    3 = fan speed cruise */
 377         u8 pwm_freq[3];         /* Register value */
 378         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 379                                    4 = thermistor */
 380         u8 vrm;
 381         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 382 };
 383
 384
 385 static int w83627hf_probe(struct platform_device *pdev);
 386 static int __devexit w83627hf_remove(struct platform_device *pdev);
 387
 388 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 389 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 390 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 391 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 392 static void w83627hf_init_device(struct platform_device *pdev);
 393
 394 static struct platform_driver w83627hf_driver = {
 395         .driver = {
 396                 .owner  = THIS_MODULE,
 397                 .name   = DRVNAME,
 398         },
 399         .probe          = w83627hf_probe,
 400         .remove         = __devexit_p(w83627hf_remove),
 401 };
 402
 403 static ssize_t
 404 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 405 {
 406         int nr = to_sensor_dev_attr(devattr)->index;
 407         struct w83627hf_data *data = w83627hf_update_device(dev);
 408         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 409 }
 410 static ssize_t
 411 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 412 {
 413         int nr = to_sensor_dev_attr(devattr)->index;
 414         struct w83627hf_data *data = w83627hf_update_device(dev);
 415         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 416 }
 417 static ssize_t
 418 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 419 {
 420         int nr = to_sensor_dev_attr(devattr)->index;
 421         struct w83627hf_data *data = w83627hf_update_device(dev);
 422         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 423 }
 424 static ssize_t
 425 store_in_min(struct device *dev, struct device_attribute *devattr,
 426              const char *buf, size_t count)
 427 {
 428         int nr = to_sensor_dev_attr(devattr)->index;
 429         struct w83627hf_data *data = dev_get_drvdata(dev);
 430         long val = simple_strtol(buf, NULL, 10);
 431
 432         mutex_lock(&data->update_lock);
 433         data->in_min[nr] = IN_TO_REG(val);
 434         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 435         mutex_unlock(&data->update_lock);
 436         return count;
 437 }
 438 static ssize_t
 439 store_in_max(struct device *dev, struct device_attribute *devattr,
 440              const char *buf, size_t count)
 441 {
 442         int nr = to_sensor_dev_attr(devattr)->index;
 443         struct w83627hf_data *data = dev_get_drvdata(dev);
 444         long val = simple_strtol(buf, NULL, 10);
 445
 446         mutex_lock(&data->update_lock);
 447         data->in_max[nr] = IN_TO_REG(val);
 448         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 449         mutex_unlock(&data->update_lock);
 450         return count;
 451 }
 452 #define sysfs_vin_decl(offset) \
 453 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 454                           show_in_input, NULL, offset);         \
 455 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 456                           show_in_min, store_in_min, offset);   \
 457 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 458                           show_in_max, store_in_max, offset);
 459
 460 sysfs_vin_decl(1);
 461 sysfs_vin_decl(2);
 462 sysfs_vin_decl(3);
 463 sysfs_vin_decl(4);
 464 sysfs_vin_decl(5);
 465 sysfs_vin_decl(6);
 466 sysfs_vin_decl(7);
 467 sysfs_vin_decl(8);
 468
 469 /* use a different set of functions for in0 */
 470 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 471 {
 472         long in0;
 473
 474         if ((data->vrm_ovt & 0x01) &&
 475                 (w83627thf == data->type || w83637hf == data->type
 476                  || w83687thf == data->type))
 477
 478                 /* use VRM9 calculation */
 479                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 480         else
 481                 /* use VRM8 (standard) calculation */
 482                 in0 = (long)IN_FROM_REG(reg);
 483
 484         return sprintf(buf,"%ld\n", in0);
 485 }
 486
 487 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 488 {
 489         struct w83627hf_data *data = w83627hf_update_device(dev);
 490         return show_in_0(data, buf, data->in[0]);
 491 }
 492
 493 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 494 {
 495         struct w83627hf_data *data = w83627hf_update_device(dev);
 496         return show_in_0(data, buf, data->in_min[0]);
 497 }
 498
 499 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 500 {
 501         struct w83627hf_data *data = w83627hf_update_device(dev);
 502         return show_in_0(data, buf, data->in_max[0]);
 503 }
 504
 505 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 506         const char *buf, size_t count)
 507 {
 508         struct w83627hf_data *data = dev_get_drvdata(dev);
 509         u32 val;
 510
 511         val = simple_strtoul(buf, NULL, 10);
 512
 513         mutex_lock(&data->update_lock);
 514
 515         if ((data->vrm_ovt & 0x01) &&
 516                 (w83627thf == data->type || w83637hf == data->type
 517                  || w83687thf == data->type))
 518
 519                 /* use VRM9 calculation */
 520                 data->in_min[0] =
 521                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 522                                         255);
 523         else
 524                 /* use VRM8 (standard) calculation */
 525                 data->in_min[0] = IN_TO_REG(val);
 526
 527         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 528         mutex_unlock(&data->update_lock);
 529         return count;
 530 }
 531
 532 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 533         const char *buf, size_t count)
 534 {
 535         struct w83627hf_data *data = dev_get_drvdata(dev);
 536         u32 val;
 537
 538         val = simple_strtoul(buf, NULL, 10);
 539
 540         mutex_lock(&data->update_lock);
 541
 542         if ((data->vrm_ovt & 0x01) &&
 543                 (w83627thf == data->type || w83637hf == data->type
 544                  || w83687thf == data->type))
 545
 546                 /* use VRM9 calculation */
 547                 data->in_max[0] =
 548                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 549                                         255);
 550         else
 551                 /* use VRM8 (standard) calculation */
 552                 data->in_max[0] = IN_TO_REG(val);
 553
 554         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 555         mutex_unlock(&data->update_lock);
 556         return count;
 557 }
 558
 559 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 560 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 561         show_regs_in_min0, store_regs_in_min0);
 562 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 563         show_regs_in_max0, store_regs_in_max0);
 564
 565 static ssize_t
 566 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 567 {
 568         int nr = to_sensor_dev_attr(devattr)->index;
 569         struct w83627hf_data *data = w83627hf_update_device(dev);
 570         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 571                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 572 }
 573 static ssize_t
 574 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 575 {
 576         int nr = to_sensor_dev_attr(devattr)->index;
 577         struct w83627hf_data *data = w83627hf_update_device(dev);
 578         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 579                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 580 }
 581 static ssize_t
 582 store_fan_min(struct device *dev, struct device_attribute *devattr,
 583               const char *buf, size_t count)
 584 {
 585         int nr = to_sensor_dev_attr(devattr)->index;
 586         struct w83627hf_data *data = dev_get_drvdata(dev);
 587         u32 val = simple_strtoul(buf, NULL, 10);
 588
 589         mutex_lock(&data->update_lock);
 590         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 591         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 592                              data->fan_min[nr]);
 593
 594         mutex_unlock(&data->update_lock);
 595         return count;
 596 }
 597 #define sysfs_fan_decl(offset)  \
 598 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 599                           show_fan_input, NULL, offset - 1);            \
 600 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 601                           show_fan_min, store_fan_min, offset - 1);
 602
 603 sysfs_fan_decl(1);
 604 sysfs_fan_decl(2);
 605 sysfs_fan_decl(3);
 606
 607 static ssize_t
 608 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 609 {
 610         int nr = to_sensor_dev_attr(devattr)->index;
 611         struct w83627hf_data *data = w83627hf_update_device(dev);
 612
 613         u16 tmp = data->temp[nr];
 614         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 615                                           : (long) TEMP_FROM_REG(tmp));
 616 }
 617
 618 static ssize_t
 619 show_temp_max(struct device *dev, struct device_attribute *devattr,
 620               char *buf)
 621 {
 622         int nr = to_sensor_dev_attr(devattr)->index;
 623         struct w83627hf_data *data = w83627hf_update_device(dev);
 624
 625         u16 tmp = data->temp_max[nr];
 626         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 627                                           : (long) TEMP_FROM_REG(tmp));
 628 }
 629
 630 static ssize_t
 631 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 632                    char *buf)
 633 {
 634         int nr = to_sensor_dev_attr(devattr)->index;
 635         struct w83627hf_data *data = w83627hf_update_device(dev);
 636
 637         u16 tmp = data->temp_max_hyst[nr];
 638         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 639                                           : (long) TEMP_FROM_REG(tmp));
 640 }
 641
 642 static ssize_t
 643 store_temp_max(struct device *dev, struct device_attribute *devattr,
 644                const char *buf, size_t count)
 645 {
 646         int nr = to_sensor_dev_attr(devattr)->index;
 647         struct w83627hf_data *data = dev_get_drvdata(dev);
 648         long val = simple_strtol(buf, NULL, 10);
 649         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 650
 651         mutex_lock(&data->update_lock);
 652         data->temp_max[nr] = tmp;
 653         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 654         mutex_unlock(&data->update_lock);
 655         return count;
 656 }
 657
 658 static ssize_t
 659 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 660                     const char *buf, size_t count)
 661 {
 662         int nr = to_sensor_dev_attr(devattr)->index;
 663         struct w83627hf_data *data = dev_get_drvdata(dev);
 664         long val = simple_strtol(buf, NULL, 10);
 665         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 666
 667         mutex_lock(&data->update_lock);
 668         data->temp_max_hyst[nr] = tmp;
 669         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 670         mutex_unlock(&data->update_lock);
 671         return count;
 672 }
 673
 674 #define sysfs_temp_decl(offset) \
 675 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 676                           show_temp, NULL, offset - 1);                 \
 677 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 678                           show_temp_max, store_temp_max, offset - 1);   \
 679 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 680                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 681
 682 sysfs_temp_decl(1);
 683 sysfs_temp_decl(2);
 684 sysfs_temp_decl(3);
 685
 686 static ssize_t
 687 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 688 {
 689         struct w83627hf_data *data = w83627hf_update_device(dev);
 690         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 691 }
 692 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 693
 694 static ssize_t
 695 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 696 {
 697         struct w83627hf_data *data = dev_get_drvdata(dev);
 698         return sprintf(buf, "%ld\n", (long) data->vrm);
 699 }
 700 static ssize_t
 701 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 702 {
 703         struct w83627hf_data *data = dev_get_drvdata(dev);
 704         u32 val;
 705
 706         val = simple_strtoul(buf, NULL, 10);
 707         data->vrm = val;
 708
 709         return count;
 710 }
 711 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 712
 713 static ssize_t
 714 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 715 {
 716         struct w83627hf_data *data = w83627hf_update_device(dev);
 717         return sprintf(buf, "%ld\n", (long) data->alarms);
 718 }
 719 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 720
 721 static ssize_t
 722 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 723 {
 724         struct w83627hf_data *data = w83627hf_update_device(dev);
 725         int bitnr = to_sensor_dev_attr(attr)->index;
 726         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 727 }
 728 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 729 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 730 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 731 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 732 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 733 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 734 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 735 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 736 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 737 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 738 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 739 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 740 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 741 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 742 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 743
 744 static ssize_t
 745 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 746 {
 747         struct w83627hf_data *data = w83627hf_update_device(dev);
 748         return sprintf(buf, "%ld\n",
 749                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 750 }
 751
 752 static ssize_t
 753 store_beep_mask(struct device *dev, struct device_attribute *attr,
 754                 const char *buf, size_t count)
 755 {
 756         struct w83627hf_data *data = dev_get_drvdata(dev);
 757         unsigned long val;
 758
 759         val = simple_strtoul(buf, NULL, 10);
 760
 761         mutex_lock(&data->update_lock);
 762
 763         /* preserve beep enable */
 764         data->beep_mask = (data->beep_mask & 0x8000)
 765                         | BEEP_MASK_TO_REG(val);
 766         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 767                             data->beep_mask & 0xff);
 768         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 769                             ((data->beep_mask) >> 16) & 0xff);
 770         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 771                             (data->beep_mask >> 8) & 0xff);
 772
 773         mutex_unlock(&data->update_lock);
 774         return count;
 775 }
 776
 777 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 778                    show_beep_mask, store_beep_mask);
 779
 780 static ssize_t
 781 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 782 {
 783         struct w83627hf_data *data = w83627hf_update_device(dev);
 784         int bitnr = to_sensor_dev_attr(attr)->index;
 785         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 786 }
 787
 788 static ssize_t
 789 store_beep(struct device *dev, struct device_attribute *attr,
 790                 const char *buf, size_t count)
 791 {
 792         struct w83627hf_data *data = dev_get_drvdata(dev);
 793         int bitnr = to_sensor_dev_attr(attr)->index;
 794         unsigned long bit;
 795         u8 reg;
 796
 797         bit = simple_strtoul(buf, NULL, 10);
 798         if (bit & ~1)
 799                 return -EINVAL;
 800
 801         mutex_lock(&data->update_lock);
 802         if (bit)
 803                 data->beep_mask |= (1 << bitnr);
 804         else
 805                 data->beep_mask &= ~(1 << bitnr);
 806
 807         if (bitnr < 8) {
 808                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 809                 if (bit)
 810                         reg |= (1 << bitnr);
 811                 else
 812                         reg &= ~(1 << bitnr);
 813                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 814         } else if (bitnr < 16) {
 815                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 816                 if (bit)
 817                         reg |= (1 << (bitnr - 8));
 818                 else
 819                         reg &= ~(1 << (bitnr - 8));
 820                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 821         } else {
 822                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 823                 if (bit)
 824                         reg |= (1 << (bitnr - 16));
 825                 else
 826                         reg &= ~(1 << (bitnr - 16));
 827                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 828         }
 829         mutex_unlock(&data->update_lock);
 830
 831         return count;
 832 }
 833
 834 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 835                         show_beep, store_beep, 0);
 836 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 837                         show_beep, store_beep, 1);
 838 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 839                         show_beep, store_beep, 2);
 840 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 841                         show_beep, store_beep, 3);
 842 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 843                         show_beep, store_beep, 8);
 844 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 845                         show_beep, store_beep, 9);
 846 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 847                         show_beep, store_beep, 10);
 848 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 849                         show_beep, store_beep, 16);
 850 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 851                         show_beep, store_beep, 17);
 852 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 853                         show_beep, store_beep, 6);
 854 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 855                         show_beep, store_beep, 7);
 856 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 857                         show_beep, store_beep, 11);
 858 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 859                         show_beep, store_beep, 4);
 860 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 861                         show_beep, store_beep, 5);
 862 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 863                         show_beep, store_beep, 13);
 864 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 865                         show_beep, store_beep, 15);
 866
 867 static ssize_t
 868 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 869 {
 870         int nr = to_sensor_dev_attr(devattr)->index;
 871         struct w83627hf_data *data = w83627hf_update_device(dev);
 872         return sprintf(buf, "%ld\n",
 873                        (long) DIV_FROM_REG(data->fan_div[nr]));
 874 }
 875 /* Note: we save and restore the fan minimum here, because its value is
 876    determined in part by the fan divisor.  This follows the principle of
 877    least surprise; the user doesn't expect the fan minimum to change just
 878    because the divisor changed. */
 879 static ssize_t
 880 store_fan_div(struct device *dev, struct device_attribute *devattr,
 881               const char *buf, size_t count)
 882 {
 883         int nr = to_sensor_dev_attr(devattr)->index;
 884         struct w83627hf_data *data = dev_get_drvdata(dev);
 885         unsigned long min;
 886         u8 reg;
 887         unsigned long val = simple_strtoul(buf, NULL, 10);
 888
 889         mutex_lock(&data->update_lock);
 890
 891         /* Save fan_min */
 892         min = FAN_FROM_REG(data->fan_min[nr],
 893                            DIV_FROM_REG(data->fan_div[nr]));
 894
 895         data->fan_div[nr] = DIV_TO_REG(val);
 896
 897         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 898                & (nr==0 ? 0xcf : 0x3f))
 899             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 900         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 901
 902         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 903                & ~(1 << (5 + nr)))
 904             | ((data->fan_div[nr] & 0x04) << (3 + nr));
 905         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 906
 907         /* Restore fan_min */
 908         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 909         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 910
 911         mutex_unlock(&data->update_lock);
 912         return count;
 913 }
 914
 915 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 916                           show_fan_div, store_fan_div, 0);
 917 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 918                           show_fan_div, store_fan_div, 1);
 919 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 920                           show_fan_div, store_fan_div, 2);
 921
 922 static ssize_t
 923 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 924 {
 925         int nr = to_sensor_dev_attr(devattr)->index;
 926         struct w83627hf_data *data = w83627hf_update_device(dev);
 927         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 928 }
 929
 930 static ssize_t
 931 store_pwm(struct device *dev, struct device_attribute *devattr,
 932           const char *buf, size_t count)
 933 {
 934         int nr = to_sensor_dev_attr(devattr)->index;
 935         struct w83627hf_data *data = dev_get_drvdata(dev);
 936         u32 val = simple_strtoul(buf, NULL, 10);
 937
 938         mutex_lock(&data->update_lock);
 939
 940         if (data->type == w83627thf) {
 941                 /* bits 0-3 are reserved  in 627THF */
 942                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 943                 w83627hf_write_value(data,
 944                                      W836X7HF_REG_PWM(data->type, nr),
 945                                      data->pwm[nr] |
 946                                      (w83627hf_read_value(data,
 947                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 948         } else {
 949                 data->pwm[nr] = PWM_TO_REG(val);
 950                 w83627hf_write_value(data,
 951                                      W836X7HF_REG_PWM(data->type, nr),
 952                                      data->pwm[nr]);
 953         }
 954
 955         mutex_unlock(&data->update_lock);
 956         return count;
 957 }
 958
 959 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 960 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 961 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 962
 963 static ssize_t
 964 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 965 {
 966         int nr = to_sensor_dev_attr(devattr)->index;
 967         struct w83627hf_data *data = w83627hf_update_device(dev);
 968         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 969 }
 970
 971 static ssize_t
 972 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 973           const char *buf, size_t count)
 974 {
 975         int nr = to_sensor_dev_attr(devattr)->index;
 976         struct w83627hf_data *data = dev_get_drvdata(dev);
 977         unsigned long val = simple_strtoul(buf, NULL, 10);
 978         u8 reg;
 979
 980         if (!val || (val > 3))  /* modes 1, 2 and 3 are supported */
 981                 return -EINVAL;
 982         mutex_lock(&data->update_lock);
 983         data->pwm_enable[nr] = val;
 984         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 985         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 986         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 987         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 988         mutex_unlock(&data->update_lock);
 989         return count;
 990 }
 991
 992 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 993                                                   store_pwm_enable, 0);
 994 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 995                                                   store_pwm_enable, 1);
 996 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 997                                                   store_pwm_enable, 2);
 998
 999 static ssize_t
1000 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1001 {
1002         int nr = to_sensor_dev_attr(devattr)->index;
1003         struct w83627hf_data *data = w83627hf_update_device(dev);
1004         if (data->type == w83627hf)
1005                 return sprintf(buf, "%ld\n",
1006                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1007         else
1008                 return sprintf(buf, "%ld\n",
1009                         pwm_freq_from_reg(data->pwm_freq[nr]));
1010 }
1011
1012 static ssize_t
1013 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1014                const char *buf, size_t count)
1015 {
1016         int nr = to_sensor_dev_attr(devattr)->index;
1017         struct w83627hf_data *data = dev_get_drvdata(dev);
1018         static const u8 mask[]={0xF8, 0x8F};
1019         u32 val;
1020
1021         val = simple_strtoul(buf, NULL, 10);
1022
1023         mutex_lock(&data->update_lock);
1024
1025         if (data->type == w83627hf) {
1026                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1027                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1028                                 (data->pwm_freq[nr] << (nr*4)) |
1029                                 (w83627hf_read_value(data,
1030                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1031         } else {
1032                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1033                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1034                                 data->pwm_freq[nr]);
1035         }
1036
1037         mutex_unlock(&data->update_lock);
1038         return count;
1039 }
1040
1041 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1042                           show_pwm_freq, store_pwm_freq, 0);
1043 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1044                           show_pwm_freq, store_pwm_freq, 1);
1045 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1046                           show_pwm_freq, store_pwm_freq, 2);
1047
1048 static ssize_t
1049 show_temp_type(struct device *dev, struct device_attribute *devattr,
1050                char *buf)
1051 {
1052         int nr = to_sensor_dev_attr(devattr)->index;
1053         struct w83627hf_data *data = w83627hf_update_device(dev);
1054         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1055 }
1056
1057 static ssize_t
1058 store_temp_type(struct device *dev, struct device_attribute *devattr,
1059                 const char *buf, size_t count)
1060 {
1061         int nr = to_sensor_dev_attr(devattr)->index;
1062         struct w83627hf_data *data = dev_get_drvdata(dev);
1063         u32 val, tmp;
1064
1065         val = simple_strtoul(buf, NULL, 10);
1066
1067         mutex_lock(&data->update_lock);
1068
1069         switch (val) {
1070         case 1:         /* PII/Celeron diode */
1071                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1072                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1073                                     tmp | BIT_SCFG1[nr]);
1074                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1075                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1076                                     tmp | BIT_SCFG2[nr]);
1077                 data->sens[nr] = val;
1078                 break;
1079         case 2:         /* 3904 */
1080                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1081                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1082                                     tmp | BIT_SCFG1[nr]);
1083                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1084                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1085                                     tmp & ~BIT_SCFG2[nr]);
1086                 data->sens[nr] = val;
1087                 break;
1088         case W83781D_DEFAULT_BETA:
1089                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1090                          "instead\n", W83781D_DEFAULT_BETA);
1091                 /* fall through */
1092         case 4:         /* thermistor */
1093                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1094                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1095                                     tmp & ~BIT_SCFG1[nr]);
1096                 data->sens[nr] = val;
1097                 break;
1098         default:
1099                 dev_err(dev,
1100                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1101                        (long) val);
1102                 break;
1103         }
1104
1105         mutex_unlock(&data->update_lock);
1106         return count;
1107 }
1108
1109 #define sysfs_temp_type(offset) \
1110 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1111                           show_temp_type, store_temp_type, offset - 1);
1112
1113 sysfs_temp_type(1);
1114 sysfs_temp_type(2);
1115 sysfs_temp_type(3);
1116
1117 static ssize_t
1118 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1119 {
1120         struct w83627hf_data *data = dev_get_drvdata(dev);
1121
1122         return sprintf(buf, "%s\n", data->name);
1123 }
1124 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1125
1126 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1127                                 struct w83627hf_sio_data *sio_data)
1128 {
1129         int err = -ENODEV;
1130         u16 val;
1131
1132         static const __initdata char *names[] = {
1133                 "W83627HF",
1134                 "W83627THF",
1135                 "W83697HF",
1136                 "W83637HF",
1137                 "W83687THF",
1138         };
1139
1140         sio_data->sioaddr = sioaddr;
1141         superio_enter(sio_data);
1142         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1143         switch (val) {
1144         case W627_DEVID:
1145                 sio_data->type = w83627hf;
1146                 break;
1147         case W627THF_DEVID:
1148                 sio_data->type = w83627thf;
1149                 break;
1150         case W697_DEVID:
1151                 sio_data->type = w83697hf;
1152                 break;
1153         case W637_DEVID:
1154                 sio_data->type = w83637hf;
1155                 break;
1156         case W687THF_DEVID:
1157                 sio_data->type = w83687thf;
1158                 break;
1159         case 0xff:      /* No device at all */
1160                 goto exit;
1161         default:
1162                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1163                 goto exit;
1164         }
1165
1166         superio_select(sio_data, W83627HF_LD_HWM);
1167         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1168                superio_inb(sio_data, WINB_BASE_REG + 1);
1169         *addr = val & WINB_ALIGNMENT;
1170         if (*addr == 0) {
1171                 pr_warn("Base address not set, skipping\n");
1172                 goto exit;
1173         }
1174
1175         val = superio_inb(sio_data, WINB_ACT_REG);
1176         if (!(val & 0x01)) {
1177                 pr_warn("Enabling HWM logical device\n");
1178                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1179         }
1180
1181         err = 0;
1182         pr_info(DRVNAME ": Found %s chip at %#x\n",
1183                 names[sio_data->type], *addr);
1184
1185  exit:
1186         superio_exit(sio_data);
1187         return err;
1188 }
1189
1190 #define VIN_UNIT_ATTRS(_X_)     \
1191         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1192         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1193         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1194         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1195         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1196
1197 #define FAN_UNIT_ATTRS(_X_)     \
1198         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1199         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1200         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1201         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1202         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1203
1204 #define TEMP_UNIT_ATTRS(_X_)    \
1205         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1206         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1207         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1208         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1209         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1210         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1211
1212 static struct attribute *w83627hf_attributes[] = {
1213         &dev_attr_in0_input.attr,
1214         &dev_attr_in0_min.attr,
1215         &dev_attr_in0_max.attr,
1216         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1217         &sensor_dev_attr_in0_beep.dev_attr.attr,
1218         VIN_UNIT_ATTRS(2),
1219         VIN_UNIT_ATTRS(3),
1220         VIN_UNIT_ATTRS(4),
1221         VIN_UNIT_ATTRS(7),
1222         VIN_UNIT_ATTRS(8),
1223
1224         FAN_UNIT_ATTRS(1),
1225         FAN_UNIT_ATTRS(2),
1226
1227         TEMP_UNIT_ATTRS(1),
1228         TEMP_UNIT_ATTRS(2),
1229
1230         &dev_attr_alarms.attr,
1231         &sensor_dev_attr_beep_enable.dev_attr.attr,
1232         &dev_attr_beep_mask.attr,
1233
1234         &sensor_dev_attr_pwm1.dev_attr.attr,
1235         &sensor_dev_attr_pwm2.dev_attr.attr,
1236         &dev_attr_name.attr,
1237         NULL
1238 };
1239
1240 static const struct attribute_group w83627hf_group = {
1241         .attrs = w83627hf_attributes,
1242 };
1243
1244 static struct attribute *w83627hf_attributes_opt[] = {
1245         VIN_UNIT_ATTRS(1),
1246         VIN_UNIT_ATTRS(5),
1247         VIN_UNIT_ATTRS(6),
1248
1249         FAN_UNIT_ATTRS(3),
1250         TEMP_UNIT_ATTRS(3),
1251         &sensor_dev_attr_pwm3.dev_attr.attr,
1252
1253         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1254         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1255         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1256
1257         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1258         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1259         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1260
1261         NULL
1262 };
1263
1264 static const struct attribute_group w83627hf_group_opt = {
1265         .attrs = w83627hf_attributes_opt,
1266 };
1267
1268 static int __devinit w83627hf_probe(struct platform_device *pdev)
1269 {
1270         struct device *dev = &pdev->dev;
1271         struct w83627hf_sio_data *sio_data = dev->platform_data;
1272         struct w83627hf_data *data;
1273         struct resource *res;
1274         int err, i;
1275
1276         static const char *names[] = {
1277                 "w83627hf",
1278                 "w83627thf",
1279                 "w83697hf",
1280                 "w83637hf",
1281                 "w83687thf",
1282         };
1283
1284         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1285         if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1286                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1287                         (unsigned long)res->start,
1288                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1289                 err = -EBUSY;
1290                 goto ERROR0;
1291         }
1292
1293         if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1294                 err = -ENOMEM;
1295                 goto ERROR1;
1296         }
1297         data->addr = res->start;
1298         data->type = sio_data->type;
1299         data->name = names[sio_data->type];
1300         mutex_init(&data->lock);
1301         mutex_init(&data->update_lock);
1302         platform_set_drvdata(pdev, data);
1303
1304         /* Initialize the chip */
1305         w83627hf_init_device(pdev);
1306
1307         /* A few vars need to be filled upon startup */
1308         for (i = 0; i <= 2; i++)
1309                 data->fan_min[i] = w83627hf_read_value(
1310                                         data, W83627HF_REG_FAN_MIN(i));
1311         w83627hf_update_fan_div(data);
1312
1313         /* Register common device attributes */
1314         if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1315                 goto ERROR3;
1316
1317         /* Register chip-specific device attributes */
1318         if (data->type == w83627hf || data->type == w83697hf)
1319                 if ((err = device_create_file(dev,
1320                                 &sensor_dev_attr_in5_input.dev_attr))
1321                  || (err = device_create_file(dev,
1322                                 &sensor_dev_attr_in5_min.dev_attr))
1323                  || (err = device_create_file(dev,
1324                                 &sensor_dev_attr_in5_max.dev_attr))
1325                  || (err = device_create_file(dev,
1326                                 &sensor_dev_attr_in5_alarm.dev_attr))
1327                  || (err = device_create_file(dev,
1328                                 &sensor_dev_attr_in5_beep.dev_attr))
1329                  || (err = device_create_file(dev,
1330                                 &sensor_dev_attr_in6_input.dev_attr))
1331                  || (err = device_create_file(dev,
1332                                 &sensor_dev_attr_in6_min.dev_attr))
1333                  || (err = device_create_file(dev,
1334                                 &sensor_dev_attr_in6_max.dev_attr))
1335                  || (err = device_create_file(dev,
1336                                 &sensor_dev_attr_in6_alarm.dev_attr))
1337                  || (err = device_create_file(dev,
1338                                 &sensor_dev_attr_in6_beep.dev_attr))
1339                  || (err = device_create_file(dev,
1340                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1341                  || (err = device_create_file(dev,
1342                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1343                         goto ERROR4;
1344
1345         if (data->type != w83697hf)
1346                 if ((err = device_create_file(dev,
1347                                 &sensor_dev_attr_in1_input.dev_attr))
1348                  || (err = device_create_file(dev,
1349                                 &sensor_dev_attr_in1_min.dev_attr))
1350                  || (err = device_create_file(dev,
1351                                 &sensor_dev_attr_in1_max.dev_attr))
1352                  || (err = device_create_file(dev,
1353                                 &sensor_dev_attr_in1_alarm.dev_attr))
1354                  || (err = device_create_file(dev,
1355                                 &sensor_dev_attr_in1_beep.dev_attr))
1356                  || (err = device_create_file(dev,
1357                                 &sensor_dev_attr_fan3_input.dev_attr))
1358                  || (err = device_create_file(dev,
1359                                 &sensor_dev_attr_fan3_min.dev_attr))
1360                  || (err = device_create_file(dev,
1361                                 &sensor_dev_attr_fan3_div.dev_attr))
1362                  || (err = device_create_file(dev,
1363                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1364                  || (err = device_create_file(dev,
1365                                 &sensor_dev_attr_fan3_beep.dev_attr))
1366                  || (err = device_create_file(dev,
1367                                 &sensor_dev_attr_temp3_input.dev_attr))
1368                  || (err = device_create_file(dev,
1369                                 &sensor_dev_attr_temp3_max.dev_attr))
1370                  || (err = device_create_file(dev,
1371                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1372                  || (err = device_create_file(dev,
1373                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1374                  || (err = device_create_file(dev,
1375                                 &sensor_dev_attr_temp3_beep.dev_attr))
1376                  || (err = device_create_file(dev,
1377                                 &sensor_dev_attr_temp3_type.dev_attr)))
1378                         goto ERROR4;
1379
1380         if (data->type != w83697hf && data->vid != 0xff) {
1381                 /* Convert VID to voltage based on VRM */
1382                 data->vrm = vid_which_vrm();
1383
1384                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1385                  || (err = device_create_file(dev, &dev_attr_vrm)))
1386                         goto ERROR4;
1387         }
1388
1389         if (data->type == w83627thf || data->type == w83637hf
1390          || data->type == w83687thf)
1391                 if ((err = device_create_file(dev,
1392                                 &sensor_dev_attr_pwm3.dev_attr)))
1393                         goto ERROR4;
1394
1395         if (data->type == w83637hf || data->type == w83687thf)
1396                 if ((err = device_create_file(dev,
1397                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1398                  || (err = device_create_file(dev,
1399                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1400                  || (err = device_create_file(dev,
1401                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1402                         goto ERROR4;
1403
1404         if (data->type != w83627hf)
1405                 if ((err = device_create_file(dev,
1406                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1407                  || (err = device_create_file(dev,
1408                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1409                         goto ERROR4;
1410
1411         if (data->type == w83627thf || data->type == w83637hf
1412          || data->type == w83687thf)
1413                 if ((err = device_create_file(dev,
1414                                 &sensor_dev_attr_pwm3_enable.dev_attr)))
1415                         goto ERROR4;
1416
1417         data->hwmon_dev = hwmon_device_register(dev);
1418         if (IS_ERR(data->hwmon_dev)) {
1419                 err = PTR_ERR(data->hwmon_dev);
1420                 goto ERROR4;
1421         }
1422
1423         return 0;
1424
1425       ERROR4:
1426         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1427         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1428       ERROR3:
1429         platform_set_drvdata(pdev, NULL);
1430         kfree(data);
1431       ERROR1:
1432         release_region(res->start, WINB_REGION_SIZE);
1433       ERROR0:
1434         return err;
1435 }
1436
1437 static int __devexit w83627hf_remove(struct platform_device *pdev)
1438 {
1439         struct w83627hf_data *data = platform_get_drvdata(pdev);
1440         struct resource *res;
1441
1442         hwmon_device_unregister(data->hwmon_dev);
1443
1444         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1445         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1446         platform_set_drvdata(pdev, NULL);
1447         kfree(data);
1448
1449         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1450         release_region(res->start, WINB_REGION_SIZE);
1451
1452         return 0;
1453 }
1454
1455
1456 /* Registers 0x50-0x5f are banked */
1457 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1458 {
1459         if ((reg & 0x00f0) == 0x50) {
1460                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1461                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1462         }
1463 }
1464
1465 /* Not strictly necessary, but play it safe for now */
1466 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1467 {
1468         if (reg & 0xff00) {
1469                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1470                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1471         }
1472 }
1473
1474 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1475 {
1476         int res, word_sized;
1477
1478         mutex_lock(&data->lock);
1479         word_sized = (((reg & 0xff00) == 0x100)
1480                    || ((reg & 0xff00) == 0x200))
1481                   && (((reg & 0x00ff) == 0x50)
1482                    || ((reg & 0x00ff) == 0x53)
1483                    || ((reg & 0x00ff) == 0x55));
1484         w83627hf_set_bank(data, reg);
1485         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1486         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1487         if (word_sized) {
1488                 outb_p((reg & 0xff) + 1,
1489                        data->addr + W83781D_ADDR_REG_OFFSET);
1490                 res =
1491                     (res << 8) + inb_p(data->addr +
1492                                        W83781D_DATA_REG_OFFSET);
1493         }
1494         w83627hf_reset_bank(data, reg);
1495         mutex_unlock(&data->lock);
1496         return res;
1497 }
1498
1499 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1500 {
1501         struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1502         int res = 0xff, sel;
1503
1504         superio_enter(sio_data);
1505         superio_select(sio_data, W83627HF_LD_GPIO5);
1506
1507         /* Make sure these GPIO pins are enabled */
1508         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1509                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1510                 goto exit;
1511         }
1512
1513         /* Make sure the pins are configured for input
1514            There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1515         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1516         if ((sel & 0x1f) != 0x1f) {
1517                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1518                         "function\n");
1519                 goto exit;
1520         }
1521
1522         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1523         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1524
1525 exit:
1526         superio_exit(sio_data);
1527         return res;
1528 }
1529
1530 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1531 {
1532         struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1533         int res = 0xff;
1534
1535         superio_enter(sio_data);
1536         superio_select(sio_data, W83627HF_LD_HWM);
1537
1538         /* Make sure these GPIO pins are enabled */
1539         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1540                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1541                 goto exit;
1542         }
1543
1544         /* Make sure the pins are configured for input */
1545         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1546                 dev_dbg(&pdev->dev, "VID configured as output, "
1547                         "no VID function\n");
1548                 goto exit;
1549         }
1550
1551         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1552
1553 exit:
1554         superio_exit(sio_data);
1555         return res;
1556 }
1557
1558 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1559 {
1560         int word_sized;
1561
1562         mutex_lock(&data->lock);
1563         word_sized = (((reg & 0xff00) == 0x100)
1564                    || ((reg & 0xff00) == 0x200))
1565                   && (((reg & 0x00ff) == 0x53)
1566                    || ((reg & 0x00ff) == 0x55));
1567         w83627hf_set_bank(data, reg);
1568         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1569         if (word_sized) {
1570                 outb_p(value >> 8,
1571                        data->addr + W83781D_DATA_REG_OFFSET);
1572                 outb_p((reg & 0xff) + 1,
1573                        data->addr + W83781D_ADDR_REG_OFFSET);
1574         }
1575         outb_p(value & 0xff,
1576                data->addr + W83781D_DATA_REG_OFFSET);
1577         w83627hf_reset_bank(data, reg);
1578         mutex_unlock(&data->lock);
1579         return 0;
1580 }
1581
1582 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1583 {
1584         struct w83627hf_data *data = platform_get_drvdata(pdev);
1585         int i;
1586         enum chips type = data->type;
1587         u8 tmp;
1588
1589         /* Minimize conflicts with other winbond i2c-only clients...  */
1590         /* disable i2c subclients... how to disable main i2c client?? */
1591         /* force i2c address to relatively uncommon address */
1592         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1593         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1594
1595         /* Read VID only once */
1596         if (type == w83627hf || type == w83637hf) {
1597                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1598                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1599                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1600         } else if (type == w83627thf) {
1601                 data->vid = w83627thf_read_gpio5(pdev);
1602         } else if (type == w83687thf) {
1603                 data->vid = w83687thf_read_vid(pdev);
1604         }
1605
1606         /* Read VRM & OVT Config only once */
1607         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1608                 data->vrm_ovt =
1609                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1610         }
1611
1612         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1613         for (i = 1; i <= 3; i++) {
1614                 if (!(tmp & BIT_SCFG1[i - 1])) {
1615                         data->sens[i - 1] = 4;
1616                 } else {
1617                         if (w83627hf_read_value
1618                             (data,
1619                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1620                                 data->sens[i - 1] = 1;
1621                         else
1622                                 data->sens[i - 1] = 2;
1623                 }
1624                 if ((type == w83697hf) && (i == 2))
1625                         break;
1626         }
1627
1628         if(init) {
1629                 /* Enable temp2 */
1630                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1631                 if (tmp & 0x01) {
1632                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1633                                  "might not make sense\n");
1634                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1635                                 tmp & 0xfe);
1636                 }
1637
1638                 /* Enable temp3 */
1639                 if (type != w83697hf) {
1640                         tmp = w83627hf_read_value(data,
1641                                 W83627HF_REG_TEMP3_CONFIG);
1642                         if (tmp & 0x01) {
1643                                 dev_warn(&pdev->dev, "Enabling temp3, "
1644                                          "readings might not make sense\n");
1645                                 w83627hf_write_value(data,
1646                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1647                         }
1648                 }
1649         }
1650
1651         /* Start monitoring */
1652         w83627hf_write_value(data, W83781D_REG_CONFIG,
1653                             (w83627hf_read_value(data,
1654                                                 W83781D_REG_CONFIG) & 0xf7)
1655                             | 0x01);
1656
1657         /* Enable VBAT monitoring if needed */
1658         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1659         if (!(tmp & 0x01))
1660                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1661 }
1662
1663 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1664 {
1665         int reg;
1666
1667         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1668         data->fan_div[0] = (reg >> 4) & 0x03;
1669         data->fan_div[1] = (reg >> 6) & 0x03;
1670         if (data->type != w83697hf) {
1671                 data->fan_div[2] = (w83627hf_read_value(data,
1672                                        W83781D_REG_PIN) >> 6) & 0x03;
1673         }
1674         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1675         data->fan_div[0] |= (reg >> 3) & 0x04;
1676         data->fan_div[1] |= (reg >> 4) & 0x04;
1677         if (data->type != w83697hf)
1678                 data->fan_div[2] |= (reg >> 5) & 0x04;
1679 }
1680
1681 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1682 {
1683         struct w83627hf_data *data = dev_get_drvdata(dev);
1684         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1685         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1686
1687         mutex_lock(&data->update_lock);
1688
1689         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1690             || !data->valid) {
1691                 for (i = 0; i <= 8; i++) {
1692                         /* skip missing sensors */
1693                         if (((data->type == w83697hf) && (i == 1)) ||
1694                             ((data->type != w83627hf && data->type != w83697hf)
1695                             && (i == 5 || i == 6)))
1696                                 continue;
1697                         data->in[i] =
1698                             w83627hf_read_value(data, W83781D_REG_IN(i));
1699                         data->in_min[i] =
1700                             w83627hf_read_value(data,
1701                                                W83781D_REG_IN_MIN(i));
1702                         data->in_max[i] =
1703                             w83627hf_read_value(data,
1704                                                W83781D_REG_IN_MAX(i));
1705                 }
1706                 for (i = 0; i <= 2; i++) {
1707                         data->fan[i] =
1708                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1709                         data->fan_min[i] =
1710                             w83627hf_read_value(data,
1711                                                W83627HF_REG_FAN_MIN(i));
1712                 }
1713                 for (i = 0; i <= 2; i++) {
1714                         u8 tmp = w83627hf_read_value(data,
1715                                 W836X7HF_REG_PWM(data->type, i));
1716                         /* bits 0-3 are reserved  in 627THF */
1717                         if (data->type == w83627thf)
1718                                 tmp &= 0xf0;
1719                         data->pwm[i] = tmp;
1720                         if (i == 1 &&
1721                             (data->type == w83627hf || data->type == w83697hf))
1722                                 break;
1723                 }
1724                 if (data->type == w83627hf) {
1725                                 u8 tmp = w83627hf_read_value(data,
1726                                                 W83627HF_REG_PWM_FREQ);
1727                                 data->pwm_freq[0] = tmp & 0x07;
1728                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1729                 } else if (data->type != w83627thf) {
1730                         for (i = 1; i <= 3; i++) {
1731                                 data->pwm_freq[i - 1] =
1732                                         w83627hf_read_value(data,
1733                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1734                                 if (i == 2 && (data->type == w83697hf))
1735                                         break;
1736                         }
1737                 }
1738                 if (data->type != w83627hf) {
1739                         for (i = 0; i < num_pwms; i++) {
1740                                 u8 tmp = w83627hf_read_value(data,
1741                                         W83627THF_REG_PWM_ENABLE[i]);
1742                                 data->pwm_enable[i] =
1743                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1744                                         & 0x03) + 1;
1745                         }
1746                 }
1747                 for (i = 0; i < num_temps; i++) {
1748                         data->temp[i] = w83627hf_read_value(
1749                                                 data, w83627hf_reg_temp[i]);
1750                         data->temp_max[i] = w83627hf_read_value(
1751                                                 data, w83627hf_reg_temp_over[i]);
1752                         data->temp_max_hyst[i] = w83627hf_read_value(
1753                                                 data, w83627hf_reg_temp_hyst[i]);
1754                 }
1755
1756                 w83627hf_update_fan_div(data);
1757
1758                 data->alarms =
1759                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1760                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1761                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1762                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1763                 data->beep_mask = (i << 8) |
1764                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1765                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1766                 data->last_updated = jiffies;
1767                 data->valid = 1;
1768         }
1769
1770         mutex_unlock(&data->update_lock);
1771
1772         return data;
1773 }
1774
1775 static int __init w83627hf_device_add(unsigned short address,
1776                                       const struct w83627hf_sio_data *sio_data)
1777 {
1778         struct resource res = {
1779                 .start  = address + WINB_REGION_OFFSET,
1780                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1781                 .name   = DRVNAME,
1782                 .flags  = IORESOURCE_IO,
1783         };
1784         int err;
1785
1786         err = acpi_check_resource_conflict(&res);
1787         if (err)
1788                 goto exit;
1789
1790         pdev = platform_device_alloc(DRVNAME, address);
1791         if (!pdev) {
1792                 err = -ENOMEM;
1793                 pr_err("Device allocation failed\n");
1794                 goto exit;
1795         }
1796
1797         err = platform_device_add_resources(pdev, &res, 1);
1798         if (err) {
1799                 pr_err("Device resource addition failed (%d)\n", err);
1800                 goto exit_device_put;
1801         }
1802
1803         err = platform_device_add_data(pdev, sio_data,
1804                                        sizeof(struct w83627hf_sio_data));
1805         if (err) {
1806                 pr_err("Platform data allocation failed\n");
1807                 goto exit_device_put;
1808         }
1809
1810         err = platform_device_add(pdev);
1811         if (err) {
1812                 pr_err("Device addition failed (%d)\n", err);
1813                 goto exit_device_put;
1814         }
1815
1816         return 0;
1817
1818 exit_device_put:
1819         platform_device_put(pdev);
1820 exit:
1821         return err;
1822 }
1823
1824 static int __init sensors_w83627hf_init(void)
1825 {
1826         int err;
1827         unsigned short address;
1828         struct w83627hf_sio_data sio_data;
1829
1830         if (w83627hf_find(0x2e, &address, &sio_data)
1831          && w83627hf_find(0x4e, &address, &sio_data))
1832                 return -ENODEV;
1833
1834         err = platform_driver_register(&w83627hf_driver);
1835         if (err)
1836                 goto exit;
1837
1838         /* Sets global pdev as a side effect */
1839         err = w83627hf_device_add(address, &sio_data);
1840         if (err)
1841                 goto exit_driver;
1842
1843         return 0;
1844
1845 exit_driver:
1846         platform_driver_unregister(&w83627hf_driver);
1847 exit:
1848         return err;
1849 }
1850
1851 static void __exit sensors_w83627hf_exit(void)
1852 {
1853         platform_device_unregister(pdev);
1854         platform_driver_unregister(&w83627hf_driver);
1855 }
1856
1857 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1858               "Philip Edelbrock <phil@netroedge.com>, "
1859               "and Mark Studebaker <mdsxyz123@yahoo.com>");
1860 MODULE_DESCRIPTION("W83627HF driver");
1861 MODULE_LICENSE("GPL");
1862
1863 module_init(sensors_w83627hf_init);
1864 module_exit(sensors_w83627hf_exit);