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 #include <linux/module.h>
  43 #include <linux/init.h>
  44 #include <linux/slab.h>
  45 #include <linux/jiffies.h>
  46 #include <linux/platform_device.h>
  47 #include <linux/hwmon.h>
  48 #include <linux/hwmon-sysfs.h>
  49 #include <linux/hwmon-vid.h>
  50 #include <linux/err.h>
  51 #include <linux/mutex.h>
  52 #include <linux/ioport.h>
  53 #include <asm/io.h>
  54 #include "lm75.h"
  55
  56 static struct platform_device *pdev;
  57
  58 #define DRVNAME "w83627hf"
  59 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  60
  61 static u16 force_addr;
  62 module_param(force_addr, ushort, 0);
  63 MODULE_PARM_DESC(force_addr,
  64                  "Initialize the base address of the sensors");
  65 static u8 force_i2c = 0x1f;
  66 module_param(force_i2c, byte, 0);
  67 MODULE_PARM_DESC(force_i2c,
  68                  "Initialize the i2c address of the sensors");
  69
  70 static int init = 1;
  71 module_param(init, bool, 0);
  72 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  73
  74 static unsigned short force_id;
  75 module_param(force_id, ushort, 0);
  76 MODULE_PARM_DESC(force_id, "Override the detected device ID");
  77
  78 /* modified from kernel/include/traps.c */
  79 static int REG;         /* The register to read/write */
  80 #define DEV     0x07    /* Register: Logical device select */
  81 static int VAL;         /* The value to read/write */
  82
  83 /* logical device numbers for superio_select (below) */
  84 #define W83627HF_LD_FDC         0x00
  85 #define W83627HF_LD_PRT         0x01
  86 #define W83627HF_LD_UART1       0x02
  87 #define W83627HF_LD_UART2       0x03
  88 #define W83627HF_LD_KBC         0x05
  89 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
  90 #define W83627HF_LD_GAME        0x07
  91 #define W83627HF_LD_MIDI        0x07
  92 #define W83627HF_LD_GPIO1       0x07
  93 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  94 #define W83627HF_LD_GPIO2       0x08
  95 #define W83627HF_LD_GPIO3       0x09
  96 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  97 #define W83627HF_LD_ACPI        0x0a
  98 #define W83627HF_LD_HWM         0x0b
  99
 100 #define DEVID   0x20    /* Register: Device ID */
 101
 102 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 103 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 104 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 105
 106 #define W83687THF_VID_EN        0x29 /* w83687thf only */
 107 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 108 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 109
 110 static inline void
 111 superio_outb(int reg, int val)
 112 {
 113         outb(reg, REG);
 114         outb(val, VAL);
 115 }
 116
 117 static inline int
 118 superio_inb(int reg)
 119 {
 120         outb(reg, REG);
 121         return inb(VAL);
 122 }
 123
 124 static inline void
 125 superio_select(int ld)
 126 {
 127         outb(DEV, REG);
 128         outb(ld, VAL);
 129 }
 130
 131 static inline void
 132 superio_enter(void)
 133 {
 134         outb(0x87, REG);
 135         outb(0x87, REG);
 136 }
 137
 138 static inline void
 139 superio_exit(void)
 140 {
 141         outb(0xAA, REG);
 142 }
 143
 144 #define W627_DEVID 0x52
 145 #define W627THF_DEVID 0x82
 146 #define W697_DEVID 0x60
 147 #define W637_DEVID 0x70
 148 #define W687THF_DEVID 0x85
 149 #define WINB_ACT_REG 0x30
 150 #define WINB_BASE_REG 0x60
 151 /* Constants specified below */
 152
 153 /* Alignment of the base address */
 154 #define WINB_ALIGNMENT          ~7
 155
 156 /* Offset & size of I/O region we are interested in */
 157 #define WINB_REGION_OFFSET      5
 158 #define WINB_REGION_SIZE        2
 159
 160 /* Where are the sensors address/data registers relative to the region offset */
 161 #define W83781D_ADDR_REG_OFFSET 0
 162 #define W83781D_DATA_REG_OFFSET 1
 163
 164 /* The W83781D registers */
 165 /* The W83782D registers for nr=7,8 are in bank 5 */
 166 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 167                                            (0x554 + (((nr) - 7) * 2)))
 168 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 169                                            (0x555 + (((nr) - 7) * 2)))
 170 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 171                                            (0x550 + (nr) - 7))
 172
 173 /* nr:0-2 for fans:1-3 */
 174 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 175 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 176
 177 #define W83627HF_REG_TEMP2_CONFIG 0x152
 178 #define W83627HF_REG_TEMP3_CONFIG 0x252
 179 /* these are zero-based, unlike config constants above */
 180 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 181 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 182 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 183
 184 #define W83781D_REG_BANK 0x4E
 185
 186 #define W83781D_REG_CONFIG 0x40
 187 #define W83781D_REG_ALARM1 0x459
 188 #define W83781D_REG_ALARM2 0x45A
 189 #define W83781D_REG_ALARM3 0x45B
 190
 191 #define W83781D_REG_BEEP_CONFIG 0x4D
 192 #define W83781D_REG_BEEP_INTS1 0x56
 193 #define W83781D_REG_BEEP_INTS2 0x57
 194 #define W83781D_REG_BEEP_INTS3 0x453
 195
 196 #define W83781D_REG_VID_FANDIV 0x47
 197
 198 #define W83781D_REG_CHIPID 0x49
 199 #define W83781D_REG_WCHIPID 0x58
 200 #define W83781D_REG_CHIPMAN 0x4F
 201 #define W83781D_REG_PIN 0x4B
 202
 203 #define W83781D_REG_VBAT 0x5D
 204
 205 #define W83627HF_REG_PWM1 0x5A
 206 #define W83627HF_REG_PWM2 0x5B
 207
 208 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 209         0x04,           /* FAN 1 mode */
 210         0x04,           /* FAN 2 mode */
 211         0x12,           /* FAN AUX mode */
 212 };
 213 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 214
 215 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 216 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 217 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 218
 219 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 220
 221 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 222 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 223                              W83627THF_REG_PWM3 };
 224 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 225                                     regpwm_627hf[nr] : regpwm[nr])
 226
 227 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 228
 229 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 230 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 231 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 232
 233 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 234                                         W83637HF_REG_PWM_FREQ2,
 235                                         W83637HF_REG_PWM_FREQ3 };
 236
 237 #define W83627HF_BASE_PWM_FREQ  46870
 238
 239 #define W83781D_REG_I2C_ADDR 0x48
 240 #define W83781D_REG_I2C_SUBADDR 0x4A
 241
 242 /* Sensor selection */
 243 #define W83781D_REG_SCFG1 0x5D
 244 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 245 #define W83781D_REG_SCFG2 0x59
 246 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 247 #define W83781D_DEFAULT_BETA 3435
 248
 249 /* Conversions. Limit checking is only done on the TO_REG
 250    variants. Note that you should be a bit careful with which arguments
 251    these macros are called: arguments may be evaluated more than once.
 252    Fixing this is just not worth it. */
 253 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 254 #define IN_FROM_REG(val) ((val) * 16)
 255
 256 static inline u8 FAN_TO_REG(long rpm, int div)
 257 {
 258         if (rpm == 0)
 259                 return 255;
 260         rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 261         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 262                              254);
 263 }
 264
 265 #define TEMP_MIN (-128000)
 266 #define TEMP_MAX ( 127000)
 267
 268 /* TEMP: 0.001C/bit (-128C to +127C)
 269    REG: 1C/bit, two's complement */
 270 static u8 TEMP_TO_REG(long temp)
 271 {
 272         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 273         ntemp += (ntemp<0 ? -500 : 500);
 274         return (u8)(ntemp / 1000);
 275 }
 276
 277 static int TEMP_FROM_REG(u8 reg)
 278 {
 279         return (s8)reg * 1000;
 280 }
 281
 282 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 283
 284 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 285
 286 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 287 {
 288         unsigned long freq;
 289         freq = W83627HF_BASE_PWM_FREQ >> reg;
 290         return freq;
 291 }
 292 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 293 {
 294         u8 i;
 295         /* Only 5 dividers (1 2 4 8 16)
 296            Search for the nearest available frequency */
 297         for (i = 0; i < 4; i++) {
 298                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 299                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 300                         break;
 301         }
 302         return i;
 303 }
 304
 305 static inline unsigned long pwm_freq_from_reg(u8 reg)
 306 {
 307         /* Clock bit 8 -> 180 kHz or 24 MHz */
 308         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 309
 310         reg &= 0x7f;
 311         /* This should not happen but anyway... */
 312         if (reg == 0)
 313                 reg++;
 314         return (clock / (reg << 8));
 315 }
 316 static inline u8 pwm_freq_to_reg(unsigned long val)
 317 {
 318         /* Minimum divider value is 0x01 and maximum is 0x7F */
 319         if (val >= 93750)       /* The highest we can do */
 320                 return 0x01;
 321         if (val >= 720) /* Use 24 MHz clock */
 322                 return (24000000UL / (val << 8));
 323         if (val < 6)            /* The lowest we can do */
 324                 return 0xFF;
 325         else                    /* Use 180 kHz clock */
 326                 return (0x80 | (180000UL / (val << 8)));
 327 }
 328
 329 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 330 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 331
 332 #define DIV_FROM_REG(val) (1 << (val))
 333
 334 static inline u8 DIV_TO_REG(long val)
 335 {
 336         int i;
 337         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 338         for (i = 0; i < 7; i++) {
 339                 if (val == 0)
 340                         break;
 341                 val >>= 1;
 342         }
 343         return ((u8) i);
 344 }
 345
 346 /* For each registered chip, we need to keep some data in memory.
 347    The structure is dynamically allocated. */
 348 struct w83627hf_data {
 349         unsigned short addr;
 350         const char *name;
 351         struct device *hwmon_dev;
 352         struct mutex lock;
 353         enum chips type;
 354
 355         struct mutex update_lock;
 356         char valid;             /* !=0 if following fields are valid */
 357         unsigned long last_updated;     /* In jiffies */
 358
 359         u8 in[9];               /* Register value */
 360         u8 in_max[9];           /* Register value */
 361         u8 in_min[9];           /* Register value */
 362         u8 fan[3];              /* Register value */
 363         u8 fan_min[3];          /* Register value */
 364         u16 temp[3];            /* Register value */
 365         u16 temp_max[3];        /* Register value */
 366         u16 temp_max_hyst[3];   /* Register value */
 367         u8 fan_div[3];          /* Register encoding, shifted right */
 368         u8 vid;                 /* Register encoding, combined */
 369         u32 alarms;             /* Register encoding, combined */
 370         u32 beep_mask;          /* Register encoding, combined */
 371         u8 pwm[3];              /* Register value */
 372         u8 pwm_enable[3];       /* 1 = manual
 373                                    2 = thermal cruise (also called SmartFan I)
 374                                    3 = fan speed cruise */
 375         u8 pwm_freq[3];         /* Register value */
 376         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 377                                    4 = thermistor */
 378         u8 vrm;
 379         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 380 };
 381
 382 struct w83627hf_sio_data {
 383         enum chips type;
 384 };
 385
 386
 387 static int w83627hf_probe(struct platform_device *pdev);
 388 static int __devexit w83627hf_remove(struct platform_device *pdev);
 389
 390 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 391 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 392 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 393 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 394 static void w83627hf_init_device(struct platform_device *pdev);
 395
 396 static struct platform_driver w83627hf_driver = {
 397         .driver = {
 398                 .owner  = THIS_MODULE,
 399                 .name   = DRVNAME,
 400         },
 401         .probe          = w83627hf_probe,
 402         .remove         = __devexit_p(w83627hf_remove),
 403 };
 404
 405 static ssize_t
 406 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 407 {
 408         int nr = to_sensor_dev_attr(devattr)->index;
 409         struct w83627hf_data *data = w83627hf_update_device(dev);
 410         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 411 }
 412 static ssize_t
 413 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 414 {
 415         int nr = to_sensor_dev_attr(devattr)->index;
 416         struct w83627hf_data *data = w83627hf_update_device(dev);
 417         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 418 }
 419 static ssize_t
 420 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 421 {
 422         int nr = to_sensor_dev_attr(devattr)->index;
 423         struct w83627hf_data *data = w83627hf_update_device(dev);
 424         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 425 }
 426 static ssize_t
 427 store_in_min(struct device *dev, struct device_attribute *devattr,
 428              const char *buf, size_t count)
 429 {
 430         int nr = to_sensor_dev_attr(devattr)->index;
 431         struct w83627hf_data *data = dev_get_drvdata(dev);
 432         long val = simple_strtol(buf, NULL, 10);
 433
 434         mutex_lock(&data->update_lock);
 435         data->in_min[nr] = IN_TO_REG(val);
 436         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 437         mutex_unlock(&data->update_lock);
 438         return count;
 439 }
 440 static ssize_t
 441 store_in_max(struct device *dev, struct device_attribute *devattr,
 442              const char *buf, size_t count)
 443 {
 444         int nr = to_sensor_dev_attr(devattr)->index;
 445         struct w83627hf_data *data = dev_get_drvdata(dev);
 446         long val = simple_strtol(buf, NULL, 10);
 447
 448         mutex_lock(&data->update_lock);
 449         data->in_max[nr] = IN_TO_REG(val);
 450         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 451         mutex_unlock(&data->update_lock);
 452         return count;
 453 }
 454 #define sysfs_vin_decl(offset) \
 455 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 456                           show_in_input, NULL, offset);         \
 457 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 458                           show_in_min, store_in_min, offset);   \
 459 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 460                           show_in_max, store_in_max, offset);
 461
 462 sysfs_vin_decl(1);
 463 sysfs_vin_decl(2);
 464 sysfs_vin_decl(3);
 465 sysfs_vin_decl(4);
 466 sysfs_vin_decl(5);
 467 sysfs_vin_decl(6);
 468 sysfs_vin_decl(7);
 469 sysfs_vin_decl(8);
 470
 471 /* use a different set of functions for in0 */
 472 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 473 {
 474         long in0;
 475
 476         if ((data->vrm_ovt & 0x01) &&
 477                 (w83627thf == data->type || w83637hf == data->type
 478                  || w83687thf == data->type))
 479
 480                 /* use VRM9 calculation */
 481                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 482         else
 483                 /* use VRM8 (standard) calculation */
 484                 in0 = (long)IN_FROM_REG(reg);
 485
 486         return sprintf(buf,"%ld\n", in0);
 487 }
 488
 489 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 490 {
 491         struct w83627hf_data *data = w83627hf_update_device(dev);
 492         return show_in_0(data, buf, data->in[0]);
 493 }
 494
 495 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 496 {
 497         struct w83627hf_data *data = w83627hf_update_device(dev);
 498         return show_in_0(data, buf, data->in_min[0]);
 499 }
 500
 501 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 502 {
 503         struct w83627hf_data *data = w83627hf_update_device(dev);
 504         return show_in_0(data, buf, data->in_max[0]);
 505 }
 506
 507 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 508         const char *buf, size_t count)
 509 {
 510         struct w83627hf_data *data = dev_get_drvdata(dev);
 511         u32 val;
 512
 513         val = simple_strtoul(buf, NULL, 10);
 514
 515         mutex_lock(&data->update_lock);
 516
 517         if ((data->vrm_ovt & 0x01) &&
 518                 (w83627thf == data->type || w83637hf == data->type
 519                  || w83687thf == data->type))
 520
 521                 /* use VRM9 calculation */
 522                 data->in_min[0] =
 523                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 524                                         255);
 525         else
 526                 /* use VRM8 (standard) calculation */
 527                 data->in_min[0] = IN_TO_REG(val);
 528
 529         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 530         mutex_unlock(&data->update_lock);
 531         return count;
 532 }
 533
 534 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 535         const char *buf, size_t count)
 536 {
 537         struct w83627hf_data *data = dev_get_drvdata(dev);
 538         u32 val;
 539
 540         val = simple_strtoul(buf, NULL, 10);
 541
 542         mutex_lock(&data->update_lock);
 543
 544         if ((data->vrm_ovt & 0x01) &&
 545                 (w83627thf == data->type || w83637hf == data->type
 546                  || w83687thf == data->type))
 547
 548                 /* use VRM9 calculation */
 549                 data->in_max[0] =
 550                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 551                                         255);
 552         else
 553                 /* use VRM8 (standard) calculation */
 554                 data->in_max[0] = IN_TO_REG(val);
 555
 556         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 557         mutex_unlock(&data->update_lock);
 558         return count;
 559 }
 560
 561 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 562 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 563         show_regs_in_min0, store_regs_in_min0);
 564 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 565         show_regs_in_max0, store_regs_in_max0);
 566
 567 static ssize_t
 568 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 569 {
 570         int nr = to_sensor_dev_attr(devattr)->index;
 571         struct w83627hf_data *data = w83627hf_update_device(dev);
 572         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 573                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 574 }
 575 static ssize_t
 576 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 577 {
 578         int nr = to_sensor_dev_attr(devattr)->index;
 579         struct w83627hf_data *data = w83627hf_update_device(dev);
 580         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 581                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 582 }
 583 static ssize_t
 584 store_fan_min(struct device *dev, struct device_attribute *devattr,
 585               const char *buf, size_t count)
 586 {
 587         int nr = to_sensor_dev_attr(devattr)->index;
 588         struct w83627hf_data *data = dev_get_drvdata(dev);
 589         u32 val = simple_strtoul(buf, NULL, 10);
 590
 591         mutex_lock(&data->update_lock);
 592         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 593         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 594                              data->fan_min[nr]);
 595
 596         mutex_unlock(&data->update_lock);
 597         return count;
 598 }
 599 #define sysfs_fan_decl(offset)  \
 600 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 601                           show_fan_input, NULL, offset - 1);            \
 602 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 603                           show_fan_min, store_fan_min, offset - 1);
 604
 605 sysfs_fan_decl(1);
 606 sysfs_fan_decl(2);
 607 sysfs_fan_decl(3);
 608
 609 static ssize_t
 610 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 611 {
 612         int nr = to_sensor_dev_attr(devattr)->index;
 613         struct w83627hf_data *data = w83627hf_update_device(dev);
 614
 615         u16 tmp = data->temp[nr];
 616         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 617                                           : (long) TEMP_FROM_REG(tmp));
 618 }
 619
 620 static ssize_t
 621 show_temp_max(struct device *dev, struct device_attribute *devattr,
 622               char *buf)
 623 {
 624         int nr = to_sensor_dev_attr(devattr)->index;
 625         struct w83627hf_data *data = w83627hf_update_device(dev);
 626
 627         u16 tmp = data->temp_max[nr];
 628         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 629                                           : (long) TEMP_FROM_REG(tmp));
 630 }
 631
 632 static ssize_t
 633 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 634                    char *buf)
 635 {
 636         int nr = to_sensor_dev_attr(devattr)->index;
 637         struct w83627hf_data *data = w83627hf_update_device(dev);
 638
 639         u16 tmp = data->temp_max_hyst[nr];
 640         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 641                                           : (long) TEMP_FROM_REG(tmp));
 642 }
 643
 644 static ssize_t
 645 store_temp_max(struct device *dev, struct device_attribute *devattr,
 646                const char *buf, size_t count)
 647 {
 648         int nr = to_sensor_dev_attr(devattr)->index;
 649         struct w83627hf_data *data = dev_get_drvdata(dev);
 650         long val = simple_strtol(buf, NULL, 10);
 651         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 652
 653         mutex_lock(&data->update_lock);
 654         data->temp_max[nr] = tmp;
 655         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 656         mutex_unlock(&data->update_lock);
 657         return count;
 658 }
 659
 660 static ssize_t
 661 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 662                     const char *buf, size_t count)
 663 {
 664         int nr = to_sensor_dev_attr(devattr)->index;
 665         struct w83627hf_data *data = dev_get_drvdata(dev);
 666         long val = simple_strtol(buf, NULL, 10);
 667         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 668
 669         mutex_lock(&data->update_lock);
 670         data->temp_max_hyst[nr] = tmp;
 671         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 672         mutex_unlock(&data->update_lock);
 673         return count;
 674 }
 675
 676 #define sysfs_temp_decl(offset) \
 677 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 678                           show_temp, NULL, offset - 1);                 \
 679 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 680                           show_temp_max, store_temp_max, offset - 1);   \
 681 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 682                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 683
 684 sysfs_temp_decl(1);
 685 sysfs_temp_decl(2);
 686 sysfs_temp_decl(3);
 687
 688 static ssize_t
 689 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 690 {
 691         struct w83627hf_data *data = w83627hf_update_device(dev);
 692         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 693 }
 694 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 695
 696 static ssize_t
 697 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 698 {
 699         struct w83627hf_data *data = dev_get_drvdata(dev);
 700         return sprintf(buf, "%ld\n", (long) data->vrm);
 701 }
 702 static ssize_t
 703 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 704 {
 705         struct w83627hf_data *data = dev_get_drvdata(dev);
 706         u32 val;
 707
 708         val = simple_strtoul(buf, NULL, 10);
 709         data->vrm = val;
 710
 711         return count;
 712 }
 713 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 714
 715 static ssize_t
 716 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 717 {
 718         struct w83627hf_data *data = w83627hf_update_device(dev);
 719         return sprintf(buf, "%ld\n", (long) data->alarms);
 720 }
 721 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 722
 723 static ssize_t
 724 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 725 {
 726         struct w83627hf_data *data = w83627hf_update_device(dev);
 727         int bitnr = to_sensor_dev_attr(attr)->index;
 728         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 729 }
 730 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 731 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 732 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 733 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 734 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 735 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 736 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 737 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 738 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 739 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 740 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 741 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 742 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 743 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 744 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 745
 746 static ssize_t
 747 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 748 {
 749         struct w83627hf_data *data = w83627hf_update_device(dev);
 750         return sprintf(buf, "%ld\n",
 751                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 752 }
 753
 754 static ssize_t
 755 store_beep_mask(struct device *dev, struct device_attribute *attr,
 756                 const char *buf, size_t count)
 757 {
 758         struct w83627hf_data *data = dev_get_drvdata(dev);
 759         unsigned long val;
 760
 761         val = simple_strtoul(buf, NULL, 10);
 762
 763         mutex_lock(&data->update_lock);
 764
 765         /* preserve beep enable */
 766         data->beep_mask = (data->beep_mask & 0x8000)
 767                         | BEEP_MASK_TO_REG(val);
 768         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 769                             data->beep_mask & 0xff);
 770         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 771                             ((data->beep_mask) >> 16) & 0xff);
 772         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 773                             (data->beep_mask >> 8) & 0xff);
 774
 775         mutex_unlock(&data->update_lock);
 776         return count;
 777 }
 778
 779 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 780                    show_beep_mask, store_beep_mask);
 781
 782 static ssize_t
 783 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 784 {
 785         struct w83627hf_data *data = w83627hf_update_device(dev);
 786         int bitnr = to_sensor_dev_attr(attr)->index;
 787         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 788 }
 789
 790 static ssize_t
 791 store_beep(struct device *dev, struct device_attribute *attr,
 792                 const char *buf, size_t count)
 793 {
 794         struct w83627hf_data *data = dev_get_drvdata(dev);
 795         int bitnr = to_sensor_dev_attr(attr)->index;
 796         unsigned long bit;
 797         u8 reg;
 798
 799         bit = simple_strtoul(buf, NULL, 10);
 800         if (bit & ~1)
 801                 return -EINVAL;
 802
 803         mutex_lock(&data->update_lock);
 804         if (bit)
 805                 data->beep_mask |= (1 << bitnr);
 806         else
 807                 data->beep_mask &= ~(1 << bitnr);
 808
 809         if (bitnr < 8) {
 810                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 811                 if (bit)
 812                         reg |= (1 << bitnr);
 813                 else
 814                         reg &= ~(1 << bitnr);
 815                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 816         } else if (bitnr < 16) {
 817                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 818                 if (bit)
 819                         reg |= (1 << (bitnr - 8));
 820                 else
 821                         reg &= ~(1 << (bitnr - 8));
 822                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 823         } else {
 824                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 825                 if (bit)
 826                         reg |= (1 << (bitnr - 16));
 827                 else
 828                         reg &= ~(1 << (bitnr - 16));
 829                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 830         }
 831         mutex_unlock(&data->update_lock);
 832
 833         return count;
 834 }
 835
 836 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 837                         show_beep, store_beep, 0);
 838 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 839                         show_beep, store_beep, 1);
 840 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 841                         show_beep, store_beep, 2);
 842 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 843                         show_beep, store_beep, 3);
 844 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 845                         show_beep, store_beep, 8);
 846 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 847                         show_beep, store_beep, 9);
 848 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 849                         show_beep, store_beep, 10);
 850 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 851                         show_beep, store_beep, 16);
 852 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 853                         show_beep, store_beep, 17);
 854 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 855                         show_beep, store_beep, 6);
 856 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 857                         show_beep, store_beep, 7);
 858 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 859                         show_beep, store_beep, 11);
 860 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 861                         show_beep, store_beep, 4);
 862 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 863                         show_beep, store_beep, 5);
 864 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 865                         show_beep, store_beep, 13);
 866 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 867                         show_beep, store_beep, 15);
 868
 869 static ssize_t
 870 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 871 {
 872         int nr = to_sensor_dev_attr(devattr)->index;
 873         struct w83627hf_data *data = w83627hf_update_device(dev);
 874         return sprintf(buf, "%ld\n",
 875                        (long) DIV_FROM_REG(data->fan_div[nr]));
 876 }
 877 /* Note: we save and restore the fan minimum here, because its value is
 878    determined in part by the fan divisor.  This follows the principle of
 879    least surprise; the user doesn't expect the fan minimum to change just
 880    because the divisor changed. */
 881 static ssize_t
 882 store_fan_div(struct device *dev, struct device_attribute *devattr,
 883               const char *buf, size_t count)
 884 {
 885         int nr = to_sensor_dev_attr(devattr)->index;
 886         struct w83627hf_data *data = dev_get_drvdata(dev);
 887         unsigned long min;
 888         u8 reg;
 889         unsigned long val = simple_strtoul(buf, NULL, 10);
 890
 891         mutex_lock(&data->update_lock);
 892
 893         /* Save fan_min */
 894         min = FAN_FROM_REG(data->fan_min[nr],
 895                            DIV_FROM_REG(data->fan_div[nr]));
 896
 897         data->fan_div[nr] = DIV_TO_REG(val);
 898
 899         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 900                & (nr==0 ? 0xcf : 0x3f))
 901             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 902         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 903
 904         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 905                & ~(1 << (5 + nr)))
 906             | ((data->fan_div[nr] & 0x04) << (3 + nr));
 907         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 908
 909         /* Restore fan_min */
 910         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 911         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 912
 913         mutex_unlock(&data->update_lock);
 914         return count;
 915 }
 916
 917 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 918                           show_fan_div, store_fan_div, 0);
 919 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 920                           show_fan_div, store_fan_div, 1);
 921 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 922                           show_fan_div, store_fan_div, 2);
 923
 924 static ssize_t
 925 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 926 {
 927         int nr = to_sensor_dev_attr(devattr)->index;
 928         struct w83627hf_data *data = w83627hf_update_device(dev);
 929         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 930 }
 931
 932 static ssize_t
 933 store_pwm(struct device *dev, struct device_attribute *devattr,
 934           const char *buf, size_t count)
 935 {
 936         int nr = to_sensor_dev_attr(devattr)->index;
 937         struct w83627hf_data *data = dev_get_drvdata(dev);
 938         u32 val = simple_strtoul(buf, NULL, 10);
 939
 940         mutex_lock(&data->update_lock);
 941
 942         if (data->type == w83627thf) {
 943                 /* bits 0-3 are reserved  in 627THF */
 944                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 945                 w83627hf_write_value(data,
 946                                      W836X7HF_REG_PWM(data->type, nr),
 947                                      data->pwm[nr] |
 948                                      (w83627hf_read_value(data,
 949                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 950         } else {
 951                 data->pwm[nr] = PWM_TO_REG(val);
 952                 w83627hf_write_value(data,
 953                                      W836X7HF_REG_PWM(data->type, nr),
 954                                      data->pwm[nr]);
 955         }
 956
 957         mutex_unlock(&data->update_lock);
 958         return count;
 959 }
 960
 961 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 962 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 963 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 964
 965 static ssize_t
 966 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 967 {
 968         int nr = to_sensor_dev_attr(devattr)->index;
 969         struct w83627hf_data *data = w83627hf_update_device(dev);
 970         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 971 }
 972
 973 static ssize_t
 974 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 975           const char *buf, size_t count)
 976 {
 977         int nr = to_sensor_dev_attr(devattr)->index;
 978         struct w83627hf_data *data = dev_get_drvdata(dev);
 979         unsigned long val = simple_strtoul(buf, NULL, 10);
 980         u8 reg;
 981
 982         if (!val || (val > 3))  /* modes 1, 2 and 3 are supported */
 983                 return -EINVAL;
 984         mutex_lock(&data->update_lock);
 985         data->pwm_enable[nr] = val;
 986         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 987         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 988         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 989         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 990         mutex_unlock(&data->update_lock);
 991         return count;
 992 }
 993
 994 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 995                                                   store_pwm_enable, 0);
 996 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 997                                                   store_pwm_enable, 1);
 998 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 999                                                   store_pwm_enable, 2);
1000
1001 static ssize_t
1002 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1003 {
1004         int nr = to_sensor_dev_attr(devattr)->index;
1005         struct w83627hf_data *data = w83627hf_update_device(dev);
1006         if (data->type == w83627hf)
1007                 return sprintf(buf, "%ld\n",
1008                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1009         else
1010                 return sprintf(buf, "%ld\n",
1011                         pwm_freq_from_reg(data->pwm_freq[nr]));
1012 }
1013
1014 static ssize_t
1015 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1016                const char *buf, size_t count)
1017 {
1018         int nr = to_sensor_dev_attr(devattr)->index;
1019         struct w83627hf_data *data = dev_get_drvdata(dev);
1020         static const u8 mask[]={0xF8, 0x8F};
1021         u32 val;
1022
1023         val = simple_strtoul(buf, NULL, 10);
1024
1025         mutex_lock(&data->update_lock);
1026
1027         if (data->type == w83627hf) {
1028                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1029                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1030                                 (data->pwm_freq[nr] << (nr*4)) |
1031                                 (w83627hf_read_value(data,
1032                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1033         } else {
1034                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1035                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1036                                 data->pwm_freq[nr]);
1037         }
1038
1039         mutex_unlock(&data->update_lock);
1040         return count;
1041 }
1042
1043 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1044                           show_pwm_freq, store_pwm_freq, 0);
1045 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1046                           show_pwm_freq, store_pwm_freq, 1);
1047 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1048                           show_pwm_freq, store_pwm_freq, 2);
1049
1050 static ssize_t
1051 show_temp_type(struct device *dev, struct device_attribute *devattr,
1052                char *buf)
1053 {
1054         int nr = to_sensor_dev_attr(devattr)->index;
1055         struct w83627hf_data *data = w83627hf_update_device(dev);
1056         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1057 }
1058
1059 static ssize_t
1060 store_temp_type(struct device *dev, struct device_attribute *devattr,
1061                 const char *buf, size_t count)
1062 {
1063         int nr = to_sensor_dev_attr(devattr)->index;
1064         struct w83627hf_data *data = dev_get_drvdata(dev);
1065         u32 val, tmp;
1066
1067         val = simple_strtoul(buf, NULL, 10);
1068
1069         mutex_lock(&data->update_lock);
1070
1071         switch (val) {
1072         case 1:         /* PII/Celeron diode */
1073                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1074                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1075                                     tmp | BIT_SCFG1[nr]);
1076                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1077                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1078                                     tmp | BIT_SCFG2[nr]);
1079                 data->sens[nr] = val;
1080                 break;
1081         case 2:         /* 3904 */
1082                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1083                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1084                                     tmp | BIT_SCFG1[nr]);
1085                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1086                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1087                                     tmp & ~BIT_SCFG2[nr]);
1088                 data->sens[nr] = val;
1089                 break;
1090         case W83781D_DEFAULT_BETA:
1091                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1092                          "instead\n", W83781D_DEFAULT_BETA);
1093                 /* fall through */
1094         case 4:         /* thermistor */
1095                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1096                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1097                                     tmp & ~BIT_SCFG1[nr]);
1098                 data->sens[nr] = val;
1099                 break;
1100         default:
1101                 dev_err(dev,
1102                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1103                        (long) val);
1104                 break;
1105         }
1106
1107         mutex_unlock(&data->update_lock);
1108         return count;
1109 }
1110
1111 #define sysfs_temp_type(offset) \
1112 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1113                           show_temp_type, store_temp_type, offset - 1);
1114
1115 sysfs_temp_type(1);
1116 sysfs_temp_type(2);
1117 sysfs_temp_type(3);
1118
1119 static ssize_t
1120 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1121 {
1122         struct w83627hf_data *data = dev_get_drvdata(dev);
1123
1124         return sprintf(buf, "%s\n", data->name);
1125 }
1126 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1127
1128 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1129                                 struct w83627hf_sio_data *sio_data)
1130 {
1131         int err = -ENODEV;
1132         u16 val;
1133
1134         static const __initdata char *names[] = {
1135                 "W83627HF",
1136                 "W83627THF",
1137                 "W83697HF",
1138                 "W83637HF",
1139                 "W83687THF",
1140         };
1141
1142         REG = sioaddr;
1143         VAL = sioaddr + 1;
1144
1145         superio_enter();
1146         val = force_id ? force_id : superio_inb(DEVID);
1147         switch (val) {
1148         case W627_DEVID:
1149                 sio_data->type = w83627hf;
1150                 break;
1151         case W627THF_DEVID:
1152                 sio_data->type = w83627thf;
1153                 break;
1154         case W697_DEVID:
1155                 sio_data->type = w83697hf;
1156                 break;
1157         case W637_DEVID:
1158                 sio_data->type = w83637hf;
1159                 break;
1160         case W687THF_DEVID:
1161                 sio_data->type = w83687thf;
1162                 break;
1163         case 0xff:      /* No device at all */
1164                 goto exit;
1165         default:
1166                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1167                 goto exit;
1168         }
1169
1170         superio_select(W83627HF_LD_HWM);
1171         force_addr &= WINB_ALIGNMENT;
1172         if (force_addr) {
1173                 printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n",
1174                        force_addr);
1175                 superio_outb(WINB_BASE_REG, force_addr >> 8);
1176                 superio_outb(WINB_BASE_REG + 1, force_addr & 0xff);
1177         }
1178         val = (superio_inb(WINB_BASE_REG) << 8) |
1179                superio_inb(WINB_BASE_REG + 1);
1180         *addr = val & WINB_ALIGNMENT;
1181         if (*addr == 0) {
1182                 printk(KERN_WARNING DRVNAME ": Base address not set, "
1183                        "skipping\n");
1184                 goto exit;
1185         }
1186
1187         val = superio_inb(WINB_ACT_REG);
1188         if (!(val & 0x01)) {
1189                 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n");
1190                 superio_outb(WINB_ACT_REG, val | 0x01);
1191         }
1192
1193         err = 0;
1194         pr_info(DRVNAME ": Found %s chip at %#x\n",
1195                 names[sio_data->type], *addr);
1196
1197  exit:
1198         superio_exit();
1199         return err;
1200 }
1201
1202 #define VIN_UNIT_ATTRS(_X_)     \
1203         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1204         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1205         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1206         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1207         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1208
1209 #define FAN_UNIT_ATTRS(_X_)     \
1210         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1211         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1212         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1213         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1214         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1215
1216 #define TEMP_UNIT_ATTRS(_X_)    \
1217         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1218         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1219         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1220         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1221         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1222         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1223
1224 static struct attribute *w83627hf_attributes[] = {
1225         &dev_attr_in0_input.attr,
1226         &dev_attr_in0_min.attr,
1227         &dev_attr_in0_max.attr,
1228         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1229         &sensor_dev_attr_in0_beep.dev_attr.attr,
1230         VIN_UNIT_ATTRS(2),
1231         VIN_UNIT_ATTRS(3),
1232         VIN_UNIT_ATTRS(4),
1233         VIN_UNIT_ATTRS(7),
1234         VIN_UNIT_ATTRS(8),
1235
1236         FAN_UNIT_ATTRS(1),
1237         FAN_UNIT_ATTRS(2),
1238
1239         TEMP_UNIT_ATTRS(1),
1240         TEMP_UNIT_ATTRS(2),
1241
1242         &dev_attr_alarms.attr,
1243         &sensor_dev_attr_beep_enable.dev_attr.attr,
1244         &dev_attr_beep_mask.attr,
1245
1246         &sensor_dev_attr_pwm1.dev_attr.attr,
1247         &sensor_dev_attr_pwm2.dev_attr.attr,
1248         &dev_attr_name.attr,
1249         NULL
1250 };
1251
1252 static const struct attribute_group w83627hf_group = {
1253         .attrs = w83627hf_attributes,
1254 };
1255
1256 static struct attribute *w83627hf_attributes_opt[] = {
1257         VIN_UNIT_ATTRS(1),
1258         VIN_UNIT_ATTRS(5),
1259         VIN_UNIT_ATTRS(6),
1260
1261         FAN_UNIT_ATTRS(3),
1262         TEMP_UNIT_ATTRS(3),
1263         &sensor_dev_attr_pwm3.dev_attr.attr,
1264
1265         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1266         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1267         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1268
1269         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1270         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1271         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1272
1273         NULL
1274 };
1275
1276 static const struct attribute_group w83627hf_group_opt = {
1277         .attrs = w83627hf_attributes_opt,
1278 };
1279
1280 static int __devinit w83627hf_probe(struct platform_device *pdev)
1281 {
1282         struct device *dev = &pdev->dev;
1283         struct w83627hf_sio_data *sio_data = dev->platform_data;
1284         struct w83627hf_data *data;
1285         struct resource *res;
1286         int err, i;
1287
1288         static const char *names[] = {
1289                 "w83627hf",
1290                 "w83627thf",
1291                 "w83697hf",
1292                 "w83637hf",
1293                 "w83687thf",
1294         };
1295
1296         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1297         if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1298                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1299                         (unsigned long)res->start,
1300                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1301                 err = -EBUSY;
1302                 goto ERROR0;
1303         }
1304
1305         if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1306                 err = -ENOMEM;
1307                 goto ERROR1;
1308         }
1309         data->addr = res->start;
1310         data->type = sio_data->type;
1311         data->name = names[sio_data->type];
1312         mutex_init(&data->lock);
1313         mutex_init(&data->update_lock);
1314         platform_set_drvdata(pdev, data);
1315
1316         /* Initialize the chip */
1317         w83627hf_init_device(pdev);
1318
1319         /* A few vars need to be filled upon startup */
1320         for (i = 0; i <= 2; i++)
1321                 data->fan_min[i] = w83627hf_read_value(
1322                                         data, W83627HF_REG_FAN_MIN(i));
1323         w83627hf_update_fan_div(data);
1324
1325         /* Register common device attributes */
1326         if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1327                 goto ERROR3;
1328
1329         /* Register chip-specific device attributes */
1330         if (data->type == w83627hf || data->type == w83697hf)
1331                 if ((err = device_create_file(dev,
1332                                 &sensor_dev_attr_in5_input.dev_attr))
1333                  || (err = device_create_file(dev,
1334                                 &sensor_dev_attr_in5_min.dev_attr))
1335                  || (err = device_create_file(dev,
1336                                 &sensor_dev_attr_in5_max.dev_attr))
1337                  || (err = device_create_file(dev,
1338                                 &sensor_dev_attr_in5_alarm.dev_attr))
1339                  || (err = device_create_file(dev,
1340                                 &sensor_dev_attr_in5_beep.dev_attr))
1341                  || (err = device_create_file(dev,
1342                                 &sensor_dev_attr_in6_input.dev_attr))
1343                  || (err = device_create_file(dev,
1344                                 &sensor_dev_attr_in6_min.dev_attr))
1345                  || (err = device_create_file(dev,
1346                                 &sensor_dev_attr_in6_max.dev_attr))
1347                  || (err = device_create_file(dev,
1348                                 &sensor_dev_attr_in6_alarm.dev_attr))
1349                  || (err = device_create_file(dev,
1350                                 &sensor_dev_attr_in6_beep.dev_attr))
1351                  || (err = device_create_file(dev,
1352                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1353                  || (err = device_create_file(dev,
1354                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1355                         goto ERROR4;
1356
1357         if (data->type != w83697hf)
1358                 if ((err = device_create_file(dev,
1359                                 &sensor_dev_attr_in1_input.dev_attr))
1360                  || (err = device_create_file(dev,
1361                                 &sensor_dev_attr_in1_min.dev_attr))
1362                  || (err = device_create_file(dev,
1363                                 &sensor_dev_attr_in1_max.dev_attr))
1364                  || (err = device_create_file(dev,
1365                                 &sensor_dev_attr_in1_alarm.dev_attr))
1366                  || (err = device_create_file(dev,
1367                                 &sensor_dev_attr_in1_beep.dev_attr))
1368                  || (err = device_create_file(dev,
1369                                 &sensor_dev_attr_fan3_input.dev_attr))
1370                  || (err = device_create_file(dev,
1371                                 &sensor_dev_attr_fan3_min.dev_attr))
1372                  || (err = device_create_file(dev,
1373                                 &sensor_dev_attr_fan3_div.dev_attr))
1374                  || (err = device_create_file(dev,
1375                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1376                  || (err = device_create_file(dev,
1377                                 &sensor_dev_attr_fan3_beep.dev_attr))
1378                  || (err = device_create_file(dev,
1379                                 &sensor_dev_attr_temp3_input.dev_attr))
1380                  || (err = device_create_file(dev,
1381                                 &sensor_dev_attr_temp3_max.dev_attr))
1382                  || (err = device_create_file(dev,
1383                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1384                  || (err = device_create_file(dev,
1385                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1386                  || (err = device_create_file(dev,
1387                                 &sensor_dev_attr_temp3_beep.dev_attr))
1388                  || (err = device_create_file(dev,
1389                                 &sensor_dev_attr_temp3_type.dev_attr)))
1390                         goto ERROR4;
1391
1392         if (data->type != w83697hf && data->vid != 0xff) {
1393                 /* Convert VID to voltage based on VRM */
1394                 data->vrm = vid_which_vrm();
1395
1396                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1397                  || (err = device_create_file(dev, &dev_attr_vrm)))
1398                         goto ERROR4;
1399         }
1400
1401         if (data->type == w83627thf || data->type == w83637hf
1402          || data->type == w83687thf)
1403                 if ((err = device_create_file(dev,
1404                                 &sensor_dev_attr_pwm3.dev_attr)))
1405                         goto ERROR4;
1406
1407         if (data->type == w83637hf || data->type == w83687thf)
1408                 if ((err = device_create_file(dev,
1409                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1410                  || (err = device_create_file(dev,
1411                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1412                  || (err = device_create_file(dev,
1413                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1414                         goto ERROR4;
1415
1416         if (data->type != w83627hf)
1417                 if ((err = device_create_file(dev,
1418                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1419                  || (err = device_create_file(dev,
1420                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1421                         goto ERROR4;
1422
1423         if (data->type == w83627thf || data->type == w83637hf
1424          || data->type == w83687thf)
1425                 if ((err = device_create_file(dev,
1426                                 &sensor_dev_attr_pwm3_enable.dev_attr)))
1427                         goto ERROR4;
1428
1429         data->hwmon_dev = hwmon_device_register(dev);
1430         if (IS_ERR(data->hwmon_dev)) {
1431                 err = PTR_ERR(data->hwmon_dev);
1432                 goto ERROR4;
1433         }
1434
1435         return 0;
1436
1437       ERROR4:
1438         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1439         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1440       ERROR3:
1441         platform_set_drvdata(pdev, NULL);
1442         kfree(data);
1443       ERROR1:
1444         release_region(res->start, WINB_REGION_SIZE);
1445       ERROR0:
1446         return err;
1447 }
1448
1449 static int __devexit w83627hf_remove(struct platform_device *pdev)
1450 {
1451         struct w83627hf_data *data = platform_get_drvdata(pdev);
1452         struct resource *res;
1453
1454         hwmon_device_unregister(data->hwmon_dev);
1455
1456         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1457         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1458         platform_set_drvdata(pdev, NULL);
1459         kfree(data);
1460
1461         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1462         release_region(res->start, WINB_REGION_SIZE);
1463
1464         return 0;
1465 }
1466
1467
1468 /* Registers 0x50-0x5f are banked */
1469 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1470 {
1471         if ((reg & 0x00f0) == 0x50) {
1472                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1473                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1474         }
1475 }
1476
1477 /* Not strictly necessary, but play it safe for now */
1478 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1479 {
1480         if (reg & 0xff00) {
1481                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1482                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1483         }
1484 }
1485
1486 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1487 {
1488         int res, word_sized;
1489
1490         mutex_lock(&data->lock);
1491         word_sized = (((reg & 0xff00) == 0x100)
1492                    || ((reg & 0xff00) == 0x200))
1493                   && (((reg & 0x00ff) == 0x50)
1494                    || ((reg & 0x00ff) == 0x53)
1495                    || ((reg & 0x00ff) == 0x55));
1496         w83627hf_set_bank(data, reg);
1497         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1498         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1499         if (word_sized) {
1500                 outb_p((reg & 0xff) + 1,
1501                        data->addr + W83781D_ADDR_REG_OFFSET);
1502                 res =
1503                     (res << 8) + inb_p(data->addr +
1504                                        W83781D_DATA_REG_OFFSET);
1505         }
1506         w83627hf_reset_bank(data, reg);
1507         mutex_unlock(&data->lock);
1508         return res;
1509 }
1510
1511 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1512 {
1513         int res = 0xff, sel;
1514
1515         superio_enter();
1516         superio_select(W83627HF_LD_GPIO5);
1517
1518         /* Make sure these GPIO pins are enabled */
1519         if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1520                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1521                 goto exit;
1522         }
1523
1524         /* Make sure the pins are configured for input
1525            There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1526         sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
1527         if ((sel & 0x1f) != 0x1f) {
1528                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1529                         "function\n");
1530                 goto exit;
1531         }
1532
1533         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1534         res = superio_inb(W83627THF_GPIO5_DR) & sel;
1535
1536 exit:
1537         superio_exit();
1538         return res;
1539 }
1540
1541 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1542 {
1543         int res = 0xff;
1544
1545         superio_enter();
1546         superio_select(W83627HF_LD_HWM);
1547
1548         /* Make sure these GPIO pins are enabled */
1549         if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
1550                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1551                 goto exit;
1552         }
1553
1554         /* Make sure the pins are configured for input */
1555         if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
1556                 dev_dbg(&pdev->dev, "VID configured as output, "
1557                         "no VID function\n");
1558                 goto exit;
1559         }
1560
1561         res = superio_inb(W83687THF_VID_DATA) & 0x3f;
1562
1563 exit:
1564         superio_exit();
1565         return res;
1566 }
1567
1568 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1569 {
1570         int word_sized;
1571
1572         mutex_lock(&data->lock);
1573         word_sized = (((reg & 0xff00) == 0x100)
1574                    || ((reg & 0xff00) == 0x200))
1575                   && (((reg & 0x00ff) == 0x53)
1576                    || ((reg & 0x00ff) == 0x55));
1577         w83627hf_set_bank(data, reg);
1578         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1579         if (word_sized) {
1580                 outb_p(value >> 8,
1581                        data->addr + W83781D_DATA_REG_OFFSET);
1582                 outb_p((reg & 0xff) + 1,
1583                        data->addr + W83781D_ADDR_REG_OFFSET);
1584         }
1585         outb_p(value & 0xff,
1586                data->addr + W83781D_DATA_REG_OFFSET);
1587         w83627hf_reset_bank(data, reg);
1588         mutex_unlock(&data->lock);
1589         return 0;
1590 }
1591
1592 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1593 {
1594         struct w83627hf_data *data = platform_get_drvdata(pdev);
1595         int i;
1596         enum chips type = data->type;
1597         u8 tmp;
1598
1599         /* Minimize conflicts with other winbond i2c-only clients...  */
1600         /* disable i2c subclients... how to disable main i2c client?? */
1601         /* force i2c address to relatively uncommon address */
1602         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1603         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1604
1605         /* Read VID only once */
1606         if (type == w83627hf || type == w83637hf) {
1607                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1608                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1609                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1610         } else if (type == w83627thf) {
1611                 data->vid = w83627thf_read_gpio5(pdev);
1612         } else if (type == w83687thf) {
1613                 data->vid = w83687thf_read_vid(pdev);
1614         }
1615
1616         /* Read VRM & OVT Config only once */
1617         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1618                 data->vrm_ovt =
1619                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1620         }
1621
1622         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1623         for (i = 1; i <= 3; i++) {
1624                 if (!(tmp & BIT_SCFG1[i - 1])) {
1625                         data->sens[i - 1] = 4;
1626                 } else {
1627                         if (w83627hf_read_value
1628                             (data,
1629                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1630                                 data->sens[i - 1] = 1;
1631                         else
1632                                 data->sens[i - 1] = 2;
1633                 }
1634                 if ((type == w83697hf) && (i == 2))
1635                         break;
1636         }
1637
1638         if(init) {
1639                 /* Enable temp2 */
1640                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1641                 if (tmp & 0x01) {
1642                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1643                                  "might not make sense\n");
1644                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1645                                 tmp & 0xfe);
1646                 }
1647
1648                 /* Enable temp3 */
1649                 if (type != w83697hf) {
1650                         tmp = w83627hf_read_value(data,
1651                                 W83627HF_REG_TEMP3_CONFIG);
1652                         if (tmp & 0x01) {
1653                                 dev_warn(&pdev->dev, "Enabling temp3, "
1654                                          "readings might not make sense\n");
1655                                 w83627hf_write_value(data,
1656                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1657                         }
1658                 }
1659         }
1660
1661         /* Start monitoring */
1662         w83627hf_write_value(data, W83781D_REG_CONFIG,
1663                             (w83627hf_read_value(data,
1664                                                 W83781D_REG_CONFIG) & 0xf7)
1665                             | 0x01);
1666
1667         /* Enable VBAT monitoring if needed */
1668         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1669         if (!(tmp & 0x01))
1670                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1671 }
1672
1673 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1674 {
1675         int reg;
1676
1677         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1678         data->fan_div[0] = (reg >> 4) & 0x03;
1679         data->fan_div[1] = (reg >> 6) & 0x03;
1680         if (data->type != w83697hf) {
1681                 data->fan_div[2] = (w83627hf_read_value(data,
1682                                        W83781D_REG_PIN) >> 6) & 0x03;
1683         }
1684         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1685         data->fan_div[0] |= (reg >> 3) & 0x04;
1686         data->fan_div[1] |= (reg >> 4) & 0x04;
1687         if (data->type != w83697hf)
1688                 data->fan_div[2] |= (reg >> 5) & 0x04;
1689 }
1690
1691 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1692 {
1693         struct w83627hf_data *data = dev_get_drvdata(dev);
1694         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1695         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1696
1697         mutex_lock(&data->update_lock);
1698
1699         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1700             || !data->valid) {
1701                 for (i = 0; i <= 8; i++) {
1702                         /* skip missing sensors */
1703                         if (((data->type == w83697hf) && (i == 1)) ||
1704                             ((data->type != w83627hf && data->type != w83697hf)
1705                             && (i == 5 || i == 6)))
1706                                 continue;
1707                         data->in[i] =
1708                             w83627hf_read_value(data, W83781D_REG_IN(i));
1709                         data->in_min[i] =
1710                             w83627hf_read_value(data,
1711                                                W83781D_REG_IN_MIN(i));
1712                         data->in_max[i] =
1713                             w83627hf_read_value(data,
1714                                                W83781D_REG_IN_MAX(i));
1715                 }
1716                 for (i = 0; i <= 2; i++) {
1717                         data->fan[i] =
1718                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1719                         data->fan_min[i] =
1720                             w83627hf_read_value(data,
1721                                                W83627HF_REG_FAN_MIN(i));
1722                 }
1723                 for (i = 0; i <= 2; i++) {
1724                         u8 tmp = w83627hf_read_value(data,
1725                                 W836X7HF_REG_PWM(data->type, i));
1726                         /* bits 0-3 are reserved  in 627THF */
1727                         if (data->type == w83627thf)
1728                                 tmp &= 0xf0;
1729                         data->pwm[i] = tmp;
1730                         if (i == 1 &&
1731                             (data->type == w83627hf || data->type == w83697hf))
1732                                 break;
1733                 }
1734                 if (data->type == w83627hf) {
1735                                 u8 tmp = w83627hf_read_value(data,
1736                                                 W83627HF_REG_PWM_FREQ);
1737                                 data->pwm_freq[0] = tmp & 0x07;
1738                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1739                 } else if (data->type != w83627thf) {
1740                         for (i = 1; i <= 3; i++) {
1741                                 data->pwm_freq[i - 1] =
1742                                         w83627hf_read_value(data,
1743                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1744                                 if (i == 2 && (data->type == w83697hf))
1745                                         break;
1746                         }
1747                 }
1748                 if (data->type != w83627hf) {
1749                         for (i = 0; i < num_pwms; i++) {
1750                                 u8 tmp = w83627hf_read_value(data,
1751                                         W83627THF_REG_PWM_ENABLE[i]);
1752                                 data->pwm_enable[i] =
1753                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1754                                         & 0x03) + 1;
1755                         }
1756                 }
1757                 for (i = 0; i < num_temps; i++) {
1758                         data->temp[i] = w83627hf_read_value(
1759                                                 data, w83627hf_reg_temp[i]);
1760                         data->temp_max[i] = w83627hf_read_value(
1761                                                 data, w83627hf_reg_temp_over[i]);
1762                         data->temp_max_hyst[i] = w83627hf_read_value(
1763                                                 data, w83627hf_reg_temp_hyst[i]);
1764                 }
1765
1766                 w83627hf_update_fan_div(data);
1767
1768                 data->alarms =
1769                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1770                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1771                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1772                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1773                 data->beep_mask = (i << 8) |
1774                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1775                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1776                 data->last_updated = jiffies;
1777                 data->valid = 1;
1778         }
1779
1780         mutex_unlock(&data->update_lock);
1781
1782         return data;
1783 }
1784
1785 static int __init w83627hf_device_add(unsigned short address,
1786                                       const struct w83627hf_sio_data *sio_data)
1787 {
1788         struct resource res = {
1789                 .start  = address + WINB_REGION_OFFSET,
1790                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1791                 .name   = DRVNAME,
1792                 .flags  = IORESOURCE_IO,
1793         };
1794         int err;
1795
1796         pdev = platform_device_alloc(DRVNAME, address);
1797         if (!pdev) {
1798                 err = -ENOMEM;
1799                 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1800                 goto exit;
1801         }
1802
1803         err = platform_device_add_resources(pdev, &res, 1);
1804         if (err) {
1805                 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1806                        "(%d)\n", err);
1807                 goto exit_device_put;
1808         }
1809
1810         err = platform_device_add_data(pdev, sio_data,
1811                                        sizeof(struct w83627hf_sio_data));
1812         if (err) {
1813                 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1814                 goto exit_device_put;
1815         }
1816
1817         err = platform_device_add(pdev);
1818         if (err) {
1819                 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1820                        err);
1821                 goto exit_device_put;
1822         }
1823
1824         return 0;
1825
1826 exit_device_put:
1827         platform_device_put(pdev);
1828 exit:
1829         return err;
1830 }
1831
1832 static int __init sensors_w83627hf_init(void)
1833 {
1834         int err;
1835         unsigned short address;
1836         struct w83627hf_sio_data sio_data;
1837
1838         if (w83627hf_find(0x2e, &address, &sio_data)
1839          && w83627hf_find(0x4e, &address, &sio_data))
1840                 return -ENODEV;
1841
1842         err = platform_driver_register(&w83627hf_driver);
1843         if (err)
1844                 goto exit;
1845
1846         /* Sets global pdev as a side effect */
1847         err = w83627hf_device_add(address, &sio_data);
1848         if (err)
1849                 goto exit_driver;
1850
1851         return 0;
1852
1853 exit_driver:
1854         platform_driver_unregister(&w83627hf_driver);
1855 exit:
1856         return err;
1857 }
1858
1859 static void __exit sensors_w83627hf_exit(void)
1860 {
1861         platform_device_unregister(pdev);
1862         platform_driver_unregister(&w83627hf_driver);
1863 }
1864
1865 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1866               "Philip Edelbrock <phil@netroedge.com>, "
1867               "and Mark Studebaker <mdsxyz123@yahoo.com>");
1868 MODULE_DESCRIPTION("W83627HF driver");
1869 MODULE_LICENSE("GPL");
1870
1871 module_init(sensors_w83627hf_init);
1872 module_exit(sensors_w83627hf_exit);