git.oblomov.eu Git - linux-2.6/blob - 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 <linux/acpi.h>
  54 #include <asm/io.h>
  55 #include "lm75.h"
  56
  57 static struct platform_device *pdev;
  58
  59 #define DRVNAME "w83627hf"
  60 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  61
  62 static u16 force_addr;
  63 module_param(force_addr, ushort, 0);
  64 MODULE_PARM_DESC(force_addr,
  65                  "Initialize the base address of the sensors");
  66 static u8 force_i2c = 0x1f;
  67 module_param(force_i2c, byte, 0);
  68 MODULE_PARM_DESC(force_i2c,
  69                  "Initialize the i2c address of the sensors");
  70
  71 static int init = 1;
  72 module_param(init, bool, 0);
  73 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  74
  75 static unsigned short force_id;
  76 module_param(force_id, ushort, 0);
  77 MODULE_PARM_DESC(force_id, "Override the detected device ID");
  78
  79 /* modified from kernel/include/traps.c */
  80 static int REG;         /* The register to read/write */
  81 #define DEV     0x07    /* Register: Logical device select */
  82 static int VAL;         /* The value to read/write */
  83
  84 /* logical device numbers for superio_select (below) */
  85 #define W83627HF_LD_FDC         0x00
  86 #define W83627HF_LD_PRT         0x01
  87 #define W83627HF_LD_UART1       0x02
  88 #define W83627HF_LD_UART2       0x03
  89 #define W83627HF_LD_KBC         0x05
  90 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
  91 #define W83627HF_LD_GAME        0x07
  92 #define W83627HF_LD_MIDI        0x07
  93 #define W83627HF_LD_GPIO1       0x07
  94 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  95 #define W83627HF_LD_GPIO2       0x08
  96 #define W83627HF_LD_GPIO3       0x09
  97 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  98 #define W83627HF_LD_ACPI        0x0a
  99 #define W83627HF_LD_HWM         0x0b
 100
 101 #define DEVID   0x20    /* Register: Device ID */
 102
 103 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 104 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 105 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 106
 107 #define W83687THF_VID_EN        0x29 /* w83687thf only */
 108 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 109 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 110
 111 static inline void
 112 superio_outb(int reg, int val)
 113 {
 114         outb(reg, REG);
 115         outb(val, VAL);
 116 }
 117
 118 static inline int
 119 superio_inb(int reg)
 120 {
 121         outb(reg, REG);
 122         return inb(VAL);
 123 }
 124
 125 static inline void
 126 superio_select(int ld)
 127 {
 128         outb(DEV, REG);
 129         outb(ld, VAL);
 130 }
 131
 132 static inline void
 133 superio_enter(void)
 134 {
 135         outb(0x87, REG);
 136         outb(0x87, REG);
 137 }
 138
 139 static inline void
 140 superio_exit(void)
 141 {
 142         outb(0xAA, REG);
 143 }
 144
 145 #define W627_DEVID 0x52
 146 #define W627THF_DEVID 0x82
 147 #define W697_DEVID 0x60
 148 #define W637_DEVID 0x70
 149 #define W687THF_DEVID 0x85
 150 #define WINB_ACT_REG 0x30
 151 #define WINB_BASE_REG 0x60
 152 /* Constants specified below */
 153
 154 /* Alignment of the base address */
 155 #define WINB_ALIGNMENT          ~7
 156
 157 /* Offset & size of I/O region we are interested in */
 158 #define WINB_REGION_OFFSET      5
 159 #define WINB_REGION_SIZE        2
 160
 161 /* Where are the sensors address/data registers relative to the region offset */
 162 #define W83781D_ADDR_REG_OFFSET 0
 163 #define W83781D_DATA_REG_OFFSET 1
 164
 165 /* The W83781D registers */
 166 /* The W83782D registers for nr=7,8 are in bank 5 */
 167 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 168                                            (0x554 + (((nr) - 7) * 2)))
 169 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 170                                            (0x555 + (((nr) - 7) * 2)))
 171 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 172                                            (0x550 + (nr) - 7))
 173
 174 /* nr:0-2 for fans:1-3 */
 175 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 176 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 177
 178 #define W83627HF_REG_TEMP2_CONFIG 0x152
 179 #define W83627HF_REG_TEMP3_CONFIG 0x252
 180 /* these are zero-based, unlike config constants above */
 181 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 182 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 183 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 184
 185 #define W83781D_REG_BANK 0x4E
 186
 187 #define W83781D_REG_CONFIG 0x40
 188 #define W83781D_REG_ALARM1 0x459
 189 #define W83781D_REG_ALARM2 0x45A
 190 #define W83781D_REG_ALARM3 0x45B
 191
 192 #define W83781D_REG_BEEP_CONFIG 0x4D
 193 #define W83781D_REG_BEEP_INTS1 0x56
 194 #define W83781D_REG_BEEP_INTS2 0x57
 195 #define W83781D_REG_BEEP_INTS3 0x453
 196
 197 #define W83781D_REG_VID_FANDIV 0x47
 198
 199 #define W83781D_REG_CHIPID 0x49
 200 #define W83781D_REG_WCHIPID 0x58
 201 #define W83781D_REG_CHIPMAN 0x4F
 202 #define W83781D_REG_PIN 0x4B
 203
 204 #define W83781D_REG_VBAT 0x5D
 205
 206 #define W83627HF_REG_PWM1 0x5A
 207 #define W83627HF_REG_PWM2 0x5B
 208
 209 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 210         0x04,           /* FAN 1 mode */
 211         0x04,           /* FAN 2 mode */
 212         0x12,           /* FAN AUX mode */
 213 };
 214 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 215
 216 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 217 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 218 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 219
 220 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 221
 222 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 223 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 224                              W83627THF_REG_PWM3 };
 225 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 226                                     regpwm_627hf[nr] : regpwm[nr])
 227
 228 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 229
 230 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 231 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 232 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 233
 234 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 235                                         W83637HF_REG_PWM_FREQ2,
 236                                         W83637HF_REG_PWM_FREQ3 };
 237
 238 #define W83627HF_BASE_PWM_FREQ  46870
 239
 240 #define W83781D_REG_I2C_ADDR 0x48
 241 #define W83781D_REG_I2C_SUBADDR 0x4A
 242
 243 /* Sensor selection */
 244 #define W83781D_REG_SCFG1 0x5D
 245 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 246 #define W83781D_REG_SCFG2 0x59
 247 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 248 #define W83781D_DEFAULT_BETA 3435
 249
 250 /* Conversions. Limit checking is only done on the TO_REG
 251    variants. Note that you should be a bit careful with which arguments
 252    these macros are called: arguments may be evaluated more than once.
 253    Fixing this is just not worth it. */
 254 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 255 #define IN_FROM_REG(val) ((val) * 16)
 256
 257 static inline u8 FAN_TO_REG(long rpm, int div)
 258 {
 259         if (rpm == 0)
 260                 return 255;
 261         rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 262         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 263                              254);
 264 }
 265
 266 #define TEMP_MIN (-128000)
 267 #define TEMP_MAX ( 127000)
 268
 269 /* TEMP: 0.001C/bit (-128C to +127C)
 270    REG: 1C/bit, two's complement */
 271 static u8 TEMP_TO_REG(long temp)
 272 {
 273         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 274         ntemp += (ntemp<0 ? -500 : 500);
 275         return (u8)(ntemp / 1000);
 276 }
 277
 278 static int TEMP_FROM_REG(u8 reg)
 279 {
 280         return (s8)reg * 1000;
 281 }
 282
 283 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 284
 285 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 286
 287 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 288 {
 289         unsigned long freq;
 290         freq = W83627HF_BASE_PWM_FREQ >> reg;
 291         return freq;
 292 }
 293 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 294 {
 295         u8 i;
 296         /* Only 5 dividers (1 2 4 8 16)
 297            Search for the nearest available frequency */
 298         for (i = 0; i < 4; i++) {
 299                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 300                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 301                         break;
 302         }
 303         return i;
 304 }
 305
 306 static inline unsigned long pwm_freq_from_reg(u8 reg)
 307 {
 308         /* Clock bit 8 -> 180 kHz or 24 MHz */
 309         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 310
 311         reg &= 0x7f;
 312         /* This should not happen but anyway... */
 313         if (reg == 0)
 314                 reg++;
 315         return (clock / (reg << 8));
 316 }
 317 static inline u8 pwm_freq_to_reg(unsigned long val)
 318 {
 319         /* Minimum divider value is 0x01 and maximum is 0x7F */
 320         if (val >= 93750)       /* The highest we can do */
 321                 return 0x01;
 322         if (val >= 720) /* Use 24 MHz clock */
 323                 return (24000000UL / (val << 8));
 324         if (val < 6)            /* The lowest we can do */
 325                 return 0xFF;
 326         else                    /* Use 180 kHz clock */
 327                 return (0x80 | (180000UL / (val << 8)));
 328 }
 329
 330 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 331 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 332
 333 #define DIV_FROM_REG(val) (1 << (val))
 334
 335 static inline u8 DIV_TO_REG(long val)
 336 {
 337         int i;
 338         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 339         for (i = 0; i < 7; i++) {
 340                 if (val == 0)
 341                         break;
 342                 val >>= 1;
 343         }
 344         return ((u8) i);
 345 }
 346
 347 /* For each registered chip, we need to keep some data in memory.
 348    The structure is dynamically allocated. */
 349 struct w83627hf_data {
 350         unsigned short addr;
 351         const char *name;
 352         struct device *hwmon_dev;
 353         struct mutex lock;
 354         enum chips type;
 355
 356         struct mutex update_lock;
 357         char valid;             /* !=0 if following fields are valid */
 358         unsigned long last_updated;     /* In jiffies */
 359
 360         u8 in[9];               /* Register value */
 361         u8 in_max[9];           /* Register value */
 362         u8 in_min[9];           /* Register value */
 363         u8 fan[3];              /* Register value */
 364         u8 fan_min[3];          /* Register value */
 365         u16 temp[3];            /* Register value */
 366         u16 temp_max[3];        /* Register value */
 367         u16 temp_max_hyst[3];   /* Register value */
 368         u8 fan_div[3];          /* Register encoding, shifted right */
 369         u8 vid;                 /* Register encoding, combined */
 370         u32 alarms;             /* Register encoding, combined */
 371         u32 beep_mask;          /* Register encoding, combined */
 372         u8 pwm[3];              /* Register value */
 373         u8 pwm_enable[3];       /* 1 = manual
 374                                    2 = thermal cruise (also called SmartFan I)
 375                                    3 = fan speed cruise */
 376         u8 pwm_freq[3];         /* Register value */
 377         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 378                                    4 = thermistor */
 379         u8 vrm;
 380         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 381 };
 382
 383 struct w83627hf_sio_data {
 384         enum chips type;
 385 };
 386
 387
 388 static int w83627hf_probe(struct platform_device *pdev);
 389 static int __devexit w83627hf_remove(struct platform_device *pdev);
 390
 391 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 392 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 393 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 394 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 395 static void w83627hf_init_device(struct platform_device *pdev);
 396
 397 static struct platform_driver w83627hf_driver = {
 398         .driver = {
 399                 .owner  = THIS_MODULE,
 400                 .name   = DRVNAME,
 401         },
 402         .probe          = w83627hf_probe,
 403         .remove         = __devexit_p(w83627hf_remove),
 404 };
 405
 406 static ssize_t
 407 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 408 {
 409         int nr = to_sensor_dev_attr(devattr)->index;
 410         struct w83627hf_data *data = w83627hf_update_device(dev);
 411         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 412 }
 413 static ssize_t
 414 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 415 {
 416         int nr = to_sensor_dev_attr(devattr)->index;
 417         struct w83627hf_data *data = w83627hf_update_device(dev);
 418         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 419 }
 420 static ssize_t
 421 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 422 {
 423         int nr = to_sensor_dev_attr(devattr)->index;
 424         struct w83627hf_data *data = w83627hf_update_device(dev);
 425         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 426 }
 427 static ssize_t
 428 store_in_min(struct device *dev, struct device_attribute *devattr,
 429              const char *buf, size_t count)
 430 {
 431         int nr = to_sensor_dev_attr(devattr)->index;
 432         struct w83627hf_data *data = dev_get_drvdata(dev);
 433         long val = simple_strtol(buf, NULL, 10);
 434
 435         mutex_lock(&data->update_lock);
 436         data->in_min[nr] = IN_TO_REG(val);
 437         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 438         mutex_unlock(&data->update_lock);
 439         return count;
 440 }
 441 static ssize_t
 442 store_in_max(struct device *dev, struct device_attribute *devattr,
 443              const char *buf, size_t count)
 444 {
 445         int nr = to_sensor_dev_attr(devattr)->index;
 446         struct w83627hf_data *data = dev_get_drvdata(dev);
 447         long val = simple_strtol(buf, NULL, 10);
 448
 449         mutex_lock(&data->update_lock);
 450         data->in_max[nr] = IN_TO_REG(val);
 451         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 452         mutex_unlock(&data->update_lock);
 453         return count;
 454 }
 455 #define sysfs_vin_decl(offset) \
 456 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 457                           show_in_input, NULL, offset);         \
 458 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 459                           show_in_min, store_in_min, offset);   \
 460 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 461                           show_in_max, store_in_max, offset);
 462
 463 sysfs_vin_decl(1);
 464 sysfs_vin_decl(2);
 465 sysfs_vin_decl(3);
 466 sysfs_vin_decl(4);
 467 sysfs_vin_decl(5);
 468 sysfs_vin_decl(6);
 469 sysfs_vin_decl(7);
 470 sysfs_vin_decl(8);
 471
 472 /* use a different set of functions for in0 */
 473 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 474 {
 475         long in0;
 476
 477         if ((data->vrm_ovt & 0x01) &&
 478                 (w83627thf == data->type || w83637hf == data->type
 479                  || w83687thf == data->type))
 480
 481                 /* use VRM9 calculation */
 482                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 483         else
 484                 /* use VRM8 (standard) calculation */
 485                 in0 = (long)IN_FROM_REG(reg);
 486
 487         return sprintf(buf,"%ld\n", in0);
 488 }
 489
 490 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 491 {
 492         struct w83627hf_data *data = w83627hf_update_device(dev);
 493         return show_in_0(data, buf, data->in[0]);
 494 }
 495
 496 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 497 {
 498         struct w83627hf_data *data = w83627hf_update_device(dev);
 499         return show_in_0(data, buf, data->in_min[0]);
 500 }
 501
 502 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 503 {
 504         struct w83627hf_data *data = w83627hf_update_device(dev);
 505         return show_in_0(data, buf, data->in_max[0]);
 506 }
 507
 508 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 509         const char *buf, size_t count)
 510 {
 511         struct w83627hf_data *data = dev_get_drvdata(dev);
 512         u32 val;
 513
 514         val = simple_strtoul(buf, NULL, 10);
 515
 516         mutex_lock(&data->update_lock);
 517
 518         if ((data->vrm_ovt & 0x01) &&
 519                 (w83627thf == data->type || w83637hf == data->type
 520                  || w83687thf == data->type))
 521
 522                 /* use VRM9 calculation */
 523                 data->in_min[0] =
 524                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 525                                         255);
 526         else
 527                 /* use VRM8 (standard) calculation */
 528                 data->in_min[0] = IN_TO_REG(val);
 529
 530         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 531         mutex_unlock(&data->update_lock);
 532         return count;
 533 }
 534
 535 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 536         const char *buf, size_t count)
 537 {
 538         struct w83627hf_data *data = dev_get_drvdata(dev);
 539         u32 val;
 540
 541         val = simple_strtoul(buf, NULL, 10);
 542
 543         mutex_lock(&data->update_lock);
 544
 545         if ((data->vrm_ovt & 0x01) &&
 546                 (w83627thf == data->type || w83637hf == data->type
 547                  || w83687thf == data->type))
 548
 549                 /* use VRM9 calculation */
 550                 data->in_max[0] =
 551                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 552                                         255);
 553         else
 554                 /* use VRM8 (standard) calculation */
 555                 data->in_max[0] = IN_TO_REG(val);
 556
 557         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 558         mutex_unlock(&data->update_lock);
 559         return count;
 560 }
 561
 562 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 563 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 564         show_regs_in_min0, store_regs_in_min0);
 565 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 566         show_regs_in_max0, store_regs_in_max0);
 567
 568 static ssize_t
 569 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 570 {
 571         int nr = to_sensor_dev_attr(devattr)->index;
 572         struct w83627hf_data *data = w83627hf_update_device(dev);
 573         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 574                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 575 }
 576 static ssize_t
 577 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 578 {
 579         int nr = to_sensor_dev_attr(devattr)->index;
 580         struct w83627hf_data *data = w83627hf_update_device(dev);
 581         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 582                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 583 }
 584 static ssize_t
 585 store_fan_min(struct device *dev, struct device_attribute *devattr,
 586               const char *buf, size_t count)
 587 {
 588         int nr = to_sensor_dev_attr(devattr)->index;
 589         struct w83627hf_data *data = dev_get_drvdata(dev);
 590         u32 val = simple_strtoul(buf, NULL, 10);
 591
 592         mutex_lock(&data->update_lock);
 593         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 594         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 595                              data->fan_min[nr]);
 596
 597         mutex_unlock(&data->update_lock);
 598         return count;
 599 }
 600 #define sysfs_fan_decl(offset)  \
 601 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 602                           show_fan_input, NULL, offset - 1);            \
 603 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 604                           show_fan_min, store_fan_min, offset - 1);
 605
 606 sysfs_fan_decl(1);
 607 sysfs_fan_decl(2);
 608 sysfs_fan_decl(3);
 609
 610 static ssize_t
 611 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 612 {
 613         int nr = to_sensor_dev_attr(devattr)->index;
 614         struct w83627hf_data *data = w83627hf_update_device(dev);
 615
 616         u16 tmp = data->temp[nr];
 617         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 618                                           : (long) TEMP_FROM_REG(tmp));
 619 }
 620
 621 static ssize_t
 622 show_temp_max(struct device *dev, struct device_attribute *devattr,
 623               char *buf)
 624 {
 625         int nr = to_sensor_dev_attr(devattr)->index;
 626         struct w83627hf_data *data = w83627hf_update_device(dev);
 627
 628         u16 tmp = data->temp_max[nr];
 629         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 630                                           : (long) TEMP_FROM_REG(tmp));
 631 }
 632
 633 static ssize_t
 634 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 635                    char *buf)
 636 {
 637         int nr = to_sensor_dev_attr(devattr)->index;
 638         struct w83627hf_data *data = w83627hf_update_device(dev);
 639
 640         u16 tmp = data->temp_max_hyst[nr];
 641         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 642                                           : (long) TEMP_FROM_REG(tmp));
 643 }
 644
 645 static ssize_t
 646 store_temp_max(struct device *dev, struct device_attribute *devattr,
 647                const char *buf, size_t count)
 648 {
 649         int nr = to_sensor_dev_attr(devattr)->index;
 650         struct w83627hf_data *data = dev_get_drvdata(dev);
 651         long val = simple_strtol(buf, NULL, 10);
 652         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 653
 654         mutex_lock(&data->update_lock);
 655         data->temp_max[nr] = tmp;
 656         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 657         mutex_unlock(&data->update_lock);
 658         return count;
 659 }
 660
 661 static ssize_t
 662 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 663                     const char *buf, size_t count)
 664 {
 665         int nr = to_sensor_dev_attr(devattr)->index;
 666         struct w83627hf_data *data = dev_get_drvdata(dev);
 667         long val = simple_strtol(buf, NULL, 10);
 668         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 669
 670         mutex_lock(&data->update_lock);
 671         data->temp_max_hyst[nr] = tmp;
 672         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 673         mutex_unlock(&data->update_lock);
 674         return count;
 675 }
 676
 677 #define sysfs_temp_decl(offset) \
 678 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 679                           show_temp, NULL, offset - 1);                 \
 680 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 681                           show_temp_max, store_temp_max, offset - 1);   \
 682 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 683                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 684
 685 sysfs_temp_decl(1);
 686 sysfs_temp_decl(2);
 687 sysfs_temp_decl(3);
 688
 689 static ssize_t
 690 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 691 {
 692         struct w83627hf_data *data = w83627hf_update_device(dev);
 693         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 694 }
 695 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 696
 697 static ssize_t
 698 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 699 {
 700         struct w83627hf_data *data = dev_get_drvdata(dev);
 701         return sprintf(buf, "%ld\n", (long) data->vrm);
 702 }
 703 static ssize_t
 704 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 705 {
 706         struct w83627hf_data *data = dev_get_drvdata(dev);
 707         u32 val;
 708
 709         val = simple_strtoul(buf, NULL, 10);
 710         data->vrm = val;
 711
 712         return count;
 713 }
 714 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 715
 716 static ssize_t
 717 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 718 {
 719         struct w83627hf_data *data = w83627hf_update_device(dev);
 720         return sprintf(buf, "%ld\n", (long) data->alarms);
 721 }
 722 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 723
 724 static ssize_t
 725 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 726 {
 727         struct w83627hf_data *data = w83627hf_update_device(dev);
 728         int bitnr = to_sensor_dev_attr(attr)->index;
 729         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 730 }
 731 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 732 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 733 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 734 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 735 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 736 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 737 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 738 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 739 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 740 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 741 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 742 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 743 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 744 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 745 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 746
 747 static ssize_t
 748 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 749 {
 750         struct w83627hf_data *data = w83627hf_update_device(dev);
 751         return sprintf(buf, "%ld\n",
 752                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 753 }
 754
 755 static ssize_t
 756 store_beep_mask(struct device *dev, struct device_attribute *attr,
 757                 const char *buf, size_t count)
 758 {
 759         struct w83627hf_data *data = dev_get_drvdata(dev);
 760         unsigned long val;
 761
 762         val = simple_strtoul(buf, NULL, 10);
 763
 764         mutex_lock(&data->update_lock);
 765
 766         /* preserve beep enable */
 767         data->beep_mask = (data->beep_mask & 0x8000)
 768                         | BEEP_MASK_TO_REG(val);
 769         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 770                             data->beep_mask & 0xff);
 771         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 772                             ((data->beep_mask) >> 16) & 0xff);
 773         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 774                             (data->beep_mask >> 8) & 0xff);
 775
 776         mutex_unlock(&data->update_lock);
 777         return count;
 778 }
 779
 780 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 781                    show_beep_mask, store_beep_mask);
 782
 783 static ssize_t
 784 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 785 {
 786         struct w83627hf_data *data = w83627hf_update_device(dev);
 787         int bitnr = to_sensor_dev_attr(attr)->index;
 788         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 789 }
 790
 791 static ssize_t
 792 store_beep(struct device *dev, struct device_attribute *attr,
 793                 const char *buf, size_t count)
 794 {
 795         struct w83627hf_data *data = dev_get_drvdata(dev);
 796         int bitnr = to_sensor_dev_attr(attr)->index;
 797         unsigned long bit;
 798         u8 reg;
 799
 800         bit = simple_strtoul(buf, NULL, 10);
 801         if (bit & ~1)
 802                 return -EINVAL;
 803
 804         mutex_lock(&data->update_lock);
 805         if (bit)
 806                 data->beep_mask |= (1 << bitnr);
 807         else
 808                 data->beep_mask &= ~(1 << bitnr);
 809
 810         if (bitnr < 8) {
 811                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 812                 if (bit)
 813                         reg |= (1 << bitnr);
 814                 else
 815                         reg &= ~(1 << bitnr);
 816                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 817         } else if (bitnr < 16) {
 818                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 819                 if (bit)
 820                         reg |= (1 << (bitnr - 8));
 821                 else
 822                         reg &= ~(1 << (bitnr - 8));
 823                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 824         } else {
 825                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 826                 if (bit)
 827                         reg |= (1 << (bitnr - 16));
 828                 else
 829                         reg &= ~(1 << (bitnr - 16));
 830                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 831         }
 832         mutex_unlock(&data->update_lock);
 833
 834         return count;
 835 }
 836
 837 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 838                         show_beep, store_beep, 0);
 839 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 840                         show_beep, store_beep, 1);
 841 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 842                         show_beep, store_beep, 2);
 843 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 844                         show_beep, store_beep, 3);
 845 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 846                         show_beep, store_beep, 8);
 847 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 848                         show_beep, store_beep, 9);
 849 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 850                         show_beep, store_beep, 10);
 851 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 852                         show_beep, store_beep, 16);
 853 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 854                         show_beep, store_beep, 17);
 855 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 856                         show_beep, store_beep, 6);
 857 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 858                         show_beep, store_beep, 7);
 859 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 860                         show_beep, store_beep, 11);
 861 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 862                         show_beep, store_beep, 4);
 863 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 864                         show_beep, store_beep, 5);
 865 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 866                         show_beep, store_beep, 13);
 867 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 868                         show_beep, store_beep, 15);
 869
 870 static ssize_t
 871 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 872 {
 873         int nr = to_sensor_dev_attr(devattr)->index;
 874         struct w83627hf_data *data = w83627hf_update_device(dev);
 875         return sprintf(buf, "%ld\n",
 876                        (long) DIV_FROM_REG(data->fan_div[nr]));
 877 }
 878 /* Note: we save and restore the fan minimum here, because its value is
 879    determined in part by the fan divisor.  This follows the principle of
 880    least surprise; the user doesn't expect the fan minimum to change just
 881    because the divisor changed. */
 882 static ssize_t
 883 store_fan_div(struct device *dev, struct device_attribute *devattr,
 884               const char *buf, size_t count)
 885 {
 886         int nr = to_sensor_dev_attr(devattr)->index;
 887         struct w83627hf_data *data = dev_get_drvdata(dev);
 888         unsigned long min;
 889         u8 reg;
 890         unsigned long val = simple_strtoul(buf, NULL, 10);
 891
 892         mutex_lock(&data->update_lock);
 893
 894         /* Save fan_min */
 895         min = FAN_FROM_REG(data->fan_min[nr],
 896                            DIV_FROM_REG(data->fan_div[nr]));
 897
 898         data->fan_div[nr] = DIV_TO_REG(val);
 899
 900         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 901                & (nr==0 ? 0xcf : 0x3f))
 902             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 903         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 904
 905         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 906                & ~(1 << (5 + nr)))
 907             | ((data->fan_div[nr] & 0x04) << (3 + nr));
 908         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 909
 910         /* Restore fan_min */
 911         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 912         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 913
 914         mutex_unlock(&data->update_lock);
 915         return count;
 916 }
 917
 918 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 919                           show_fan_div, store_fan_div, 0);
 920 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 921                           show_fan_div, store_fan_div, 1);
 922 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 923                           show_fan_div, store_fan_div, 2);
 924
 925 static ssize_t
 926 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 927 {
 928         int nr = to_sensor_dev_attr(devattr)->index;
 929         struct w83627hf_data *data = w83627hf_update_device(dev);
 930         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 931 }
 932
 933 static ssize_t
 934 store_pwm(struct device *dev, struct device_attribute *devattr,
 935           const char *buf, size_t count)
 936 {
 937         int nr = to_sensor_dev_attr(devattr)->index;
 938         struct w83627hf_data *data = dev_get_drvdata(dev);
 939         u32 val = simple_strtoul(buf, NULL, 10);
 940
 941         mutex_lock(&data->update_lock);
 942
 943         if (data->type == w83627thf) {
 944                 /* bits 0-3 are reserved  in 627THF */
 945                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 946                 w83627hf_write_value(data,
 947                                      W836X7HF_REG_PWM(data->type, nr),
 948                                      data->pwm[nr] |
 949                                      (w83627hf_read_value(data,
 950                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 951         } else {
 952                 data->pwm[nr] = PWM_TO_REG(val);
 953                 w83627hf_write_value(data,
 954                                      W836X7HF_REG_PWM(data->type, nr),
 955                                      data->pwm[nr]);
 956         }
 957
 958         mutex_unlock(&data->update_lock);
 959         return count;
 960 }
 961
 962 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 963 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 964 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 965
 966 static ssize_t
 967 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 968 {
 969         int nr = to_sensor_dev_attr(devattr)->index;
 970         struct w83627hf_data *data = w83627hf_update_device(dev);
 971         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 972 }
 973
 974 static ssize_t
 975 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 976           const char *buf, size_t count)
 977 {
 978         int nr = to_sensor_dev_attr(devattr)->index;
 979         struct w83627hf_data *data = dev_get_drvdata(dev);
 980         unsigned long val = simple_strtoul(buf, NULL, 10);
 981         u8 reg;
 982
 983         if (!val || (val > 3))  /* modes 1, 2 and 3 are supported */
 984                 return -EINVAL;
 985         mutex_lock(&data->update_lock);
 986         data->pwm_enable[nr] = val;
 987         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 988         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 989         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 990         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 991         mutex_unlock(&data->update_lock);
 992         return count;
 993 }
 994
 995 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 996                                                   store_pwm_enable, 0);
 997 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 998                                                   store_pwm_enable, 1);
 999 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1000                                                   store_pwm_enable, 2);
1001
1002 static ssize_t
1003 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1004 {
1005         int nr = to_sensor_dev_attr(devattr)->index;
1006         struct w83627hf_data *data = w83627hf_update_device(dev);
1007         if (data->type == w83627hf)
1008                 return sprintf(buf, "%ld\n",
1009                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1010         else
1011                 return sprintf(buf, "%ld\n",
1012                         pwm_freq_from_reg(data->pwm_freq[nr]));
1013 }
1014
1015 static ssize_t
1016 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1017                const char *buf, size_t count)
1018 {
1019         int nr = to_sensor_dev_attr(devattr)->index;
1020         struct w83627hf_data *data = dev_get_drvdata(dev);
1021         static const u8 mask[]={0xF8, 0x8F};
1022         u32 val;
1023
1024         val = simple_strtoul(buf, NULL, 10);
1025
1026         mutex_lock(&data->update_lock);
1027
1028         if (data->type == w83627hf) {
1029                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1030                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1031                                 (data->pwm_freq[nr] << (nr*4)) |
1032                                 (w83627hf_read_value(data,
1033                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1034         } else {
1035                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1036                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1037                                 data->pwm_freq[nr]);
1038         }
1039
1040         mutex_unlock(&data->update_lock);
1041         return count;
1042 }
1043
1044 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1045                           show_pwm_freq, store_pwm_freq, 0);
1046 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1047                           show_pwm_freq, store_pwm_freq, 1);
1048 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1049                           show_pwm_freq, store_pwm_freq, 2);
1050
1051 static ssize_t
1052 show_temp_type(struct device *dev, struct device_attribute *devattr,
1053                char *buf)
1054 {
1055         int nr = to_sensor_dev_attr(devattr)->index;
1056         struct w83627hf_data *data = w83627hf_update_device(dev);
1057         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1058 }
1059
1060 static ssize_t
1061 store_temp_type(struct device *dev, struct device_attribute *devattr,
1062                 const char *buf, size_t count)
1063 {
1064         int nr = to_sensor_dev_attr(devattr)->index;
1065         struct w83627hf_data *data = dev_get_drvdata(dev);
1066         u32 val, tmp;
1067
1068         val = simple_strtoul(buf, NULL, 10);
1069
1070         mutex_lock(&data->update_lock);
1071
1072         switch (val) {
1073         case 1:         /* PII/Celeron diode */
1074                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1075                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1076                                     tmp | BIT_SCFG1[nr]);
1077                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1078                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1079                                     tmp | BIT_SCFG2[nr]);
1080                 data->sens[nr] = val;
1081                 break;
1082         case 2:         /* 3904 */
1083                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1084                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1085                                     tmp | BIT_SCFG1[nr]);
1086                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1087                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1088                                     tmp & ~BIT_SCFG2[nr]);
1089                 data->sens[nr] = val;
1090                 break;
1091         case W83781D_DEFAULT_BETA:
1092                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1093                          "instead\n", W83781D_DEFAULT_BETA);
1094                 /* fall through */
1095         case 4:         /* thermistor */
1096                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1097                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1098                                     tmp & ~BIT_SCFG1[nr]);
1099                 data->sens[nr] = val;
1100                 break;
1101         default:
1102                 dev_err(dev,
1103                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1104                        (long) val);
1105                 break;
1106         }
1107
1108         mutex_unlock(&data->update_lock);
1109         return count;
1110 }
1111
1112 #define sysfs_temp_type(offset) \
1113 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1114                           show_temp_type, store_temp_type, offset - 1);
1115
1116 sysfs_temp_type(1);
1117 sysfs_temp_type(2);
1118 sysfs_temp_type(3);
1119
1120 static ssize_t
1121 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1122 {
1123         struct w83627hf_data *data = dev_get_drvdata(dev);
1124
1125         return sprintf(buf, "%s\n", data->name);
1126 }
1127 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1128
1129 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1130                                 struct w83627hf_sio_data *sio_data)
1131 {
1132         int err = -ENODEV;
1133         u16 val;
1134
1135         static const __initdata char *names[] = {
1136                 "W83627HF",
1137                 "W83627THF",
1138                 "W83697HF",
1139                 "W83637HF",
1140                 "W83687THF",
1141         };
1142
1143         REG = sioaddr;
1144         VAL = sioaddr + 1;
1145
1146         superio_enter();
1147         val = force_id ? force_id : superio_inb(DEVID);
1148         switch (val) {
1149         case W627_DEVID:
1150                 sio_data->type = w83627hf;
1151                 break;
1152         case W627THF_DEVID:
1153                 sio_data->type = w83627thf;
1154                 break;
1155         case W697_DEVID:
1156                 sio_data->type = w83697hf;
1157                 break;
1158         case W637_DEVID:
1159                 sio_data->type = w83637hf;
1160                 break;
1161         case W687THF_DEVID:
1162                 sio_data->type = w83687thf;
1163                 break;
1164         case 0xff:      /* No device at all */
1165                 goto exit;
1166         default:
1167                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1168                 goto exit;
1169         }
1170
1171         superio_select(W83627HF_LD_HWM);
1172         force_addr &= WINB_ALIGNMENT;
1173         if (force_addr) {
1174                 printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n",
1175                        force_addr);
1176                 superio_outb(WINB_BASE_REG, force_addr >> 8);
1177                 superio_outb(WINB_BASE_REG + 1, force_addr & 0xff);
1178         }
1179         val = (superio_inb(WINB_BASE_REG) << 8) |
1180                superio_inb(WINB_BASE_REG + 1);
1181         *addr = val & WINB_ALIGNMENT;
1182         if (*addr == 0) {
1183                 printk(KERN_WARNING DRVNAME ": Base address not set, "
1184                        "skipping\n");
1185                 goto exit;
1186         }
1187
1188         val = superio_inb(WINB_ACT_REG);
1189         if (!(val & 0x01)) {
1190                 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n");
1191                 superio_outb(WINB_ACT_REG, val | 0x01);
1192         }
1193
1194         err = 0;
1195         pr_info(DRVNAME ": Found %s chip at %#x\n",
1196                 names[sio_data->type], *addr);
1197
1198  exit:
1199         superio_exit();
1200         return err;
1201 }
1202
1203 #define VIN_UNIT_ATTRS(_X_)     \
1204         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1205         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1206         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1207         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1208         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1209
1210 #define FAN_UNIT_ATTRS(_X_)     \
1211         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1212         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1213         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1214         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1215         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1216
1217 #define TEMP_UNIT_ATTRS(_X_)    \
1218         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1219         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1220         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1221         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1222         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1223         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1224
1225 static struct attribute *w83627hf_attributes[] = {
1226         &dev_attr_in0_input.attr,
1227         &dev_attr_in0_min.attr,
1228         &dev_attr_in0_max.attr,
1229         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1230         &sensor_dev_attr_in0_beep.dev_attr.attr,
1231         VIN_UNIT_ATTRS(2),
1232         VIN_UNIT_ATTRS(3),
1233         VIN_UNIT_ATTRS(4),
1234         VIN_UNIT_ATTRS(7),
1235         VIN_UNIT_ATTRS(8),
1236
1237         FAN_UNIT_ATTRS(1),
1238         FAN_UNIT_ATTRS(2),
1239
1240         TEMP_UNIT_ATTRS(1),
1241         TEMP_UNIT_ATTRS(2),
1242
1243         &dev_attr_alarms.attr,
1244         &sensor_dev_attr_beep_enable.dev_attr.attr,
1245         &dev_attr_beep_mask.attr,
1246
1247         &sensor_dev_attr_pwm1.dev_attr.attr,
1248         &sensor_dev_attr_pwm2.dev_attr.attr,
1249         &dev_attr_name.attr,
1250         NULL
1251 };
1252
1253 static const struct attribute_group w83627hf_group = {
1254         .attrs = w83627hf_attributes,
1255 };
1256
1257 static struct attribute *w83627hf_attributes_opt[] = {
1258         VIN_UNIT_ATTRS(1),
1259         VIN_UNIT_ATTRS(5),
1260         VIN_UNIT_ATTRS(6),
1261
1262         FAN_UNIT_ATTRS(3),
1263         TEMP_UNIT_ATTRS(3),
1264         &sensor_dev_attr_pwm3.dev_attr.attr,
1265
1266         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1267         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1268         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1269
1270         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1271         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1272         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1273
1274         NULL
1275 };
1276
1277 static const struct attribute_group w83627hf_group_opt = {
1278         .attrs = w83627hf_attributes_opt,
1279 };
1280
1281 static int __devinit w83627hf_probe(struct platform_device *pdev)
1282 {
1283         struct device *dev = &pdev->dev;
1284         struct w83627hf_sio_data *sio_data = dev->platform_data;
1285         struct w83627hf_data *data;
1286         struct resource *res;
1287         int err, i;
1288
1289         static const char *names[] = {
1290                 "w83627hf",
1291                 "w83627thf",
1292                 "w83697hf",
1293                 "w83637hf",
1294                 "w83687thf",
1295         };
1296
1297         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1298         if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1299                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1300                         (unsigned long)res->start,
1301                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1302                 err = -EBUSY;
1303                 goto ERROR0;
1304         }
1305
1306         if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1307                 err = -ENOMEM;
1308                 goto ERROR1;
1309         }
1310         data->addr = res->start;
1311         data->type = sio_data->type;
1312         data->name = names[sio_data->type];
1313         mutex_init(&data->lock);
1314         mutex_init(&data->update_lock);
1315         platform_set_drvdata(pdev, data);
1316
1317         /* Initialize the chip */
1318         w83627hf_init_device(pdev);
1319
1320         /* A few vars need to be filled upon startup */
1321         for (i = 0; i <= 2; i++)
1322                 data->fan_min[i] = w83627hf_read_value(
1323                                         data, W83627HF_REG_FAN_MIN(i));
1324         w83627hf_update_fan_div(data);
1325
1326         /* Register common device attributes */
1327         if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1328                 goto ERROR3;
1329
1330         /* Register chip-specific device attributes */
1331         if (data->type == w83627hf || data->type == w83697hf)
1332                 if ((err = device_create_file(dev,
1333                                 &sensor_dev_attr_in5_input.dev_attr))
1334                  || (err = device_create_file(dev,
1335                                 &sensor_dev_attr_in5_min.dev_attr))
1336                  || (err = device_create_file(dev,
1337                                 &sensor_dev_attr_in5_max.dev_attr))
1338                  || (err = device_create_file(dev,
1339                                 &sensor_dev_attr_in5_alarm.dev_attr))
1340                  || (err = device_create_file(dev,
1341                                 &sensor_dev_attr_in5_beep.dev_attr))
1342                  || (err = device_create_file(dev,
1343                                 &sensor_dev_attr_in6_input.dev_attr))
1344                  || (err = device_create_file(dev,
1345                                 &sensor_dev_attr_in6_min.dev_attr))
1346                  || (err = device_create_file(dev,
1347                                 &sensor_dev_attr_in6_max.dev_attr))
1348                  || (err = device_create_file(dev,
1349                                 &sensor_dev_attr_in6_alarm.dev_attr))
1350                  || (err = device_create_file(dev,
1351                                 &sensor_dev_attr_in6_beep.dev_attr))
1352                  || (err = device_create_file(dev,
1353                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1354                  || (err = device_create_file(dev,
1355                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1356                         goto ERROR4;
1357
1358         if (data->type != w83697hf)
1359                 if ((err = device_create_file(dev,
1360                                 &sensor_dev_attr_in1_input.dev_attr))
1361                  || (err = device_create_file(dev,
1362                                 &sensor_dev_attr_in1_min.dev_attr))
1363                  || (err = device_create_file(dev,
1364                                 &sensor_dev_attr_in1_max.dev_attr))
1365                  || (err = device_create_file(dev,
1366                                 &sensor_dev_attr_in1_alarm.dev_attr))
1367                  || (err = device_create_file(dev,
1368                                 &sensor_dev_attr_in1_beep.dev_attr))
1369                  || (err = device_create_file(dev,
1370                                 &sensor_dev_attr_fan3_input.dev_attr))
1371                  || (err = device_create_file(dev,
1372                                 &sensor_dev_attr_fan3_min.dev_attr))
1373                  || (err = device_create_file(dev,
1374                                 &sensor_dev_attr_fan3_div.dev_attr))
1375                  || (err = device_create_file(dev,
1376                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1377                  || (err = device_create_file(dev,
1378                                 &sensor_dev_attr_fan3_beep.dev_attr))
1379                  || (err = device_create_file(dev,
1380                                 &sensor_dev_attr_temp3_input.dev_attr))
1381                  || (err = device_create_file(dev,
1382                                 &sensor_dev_attr_temp3_max.dev_attr))
1383                  || (err = device_create_file(dev,
1384                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1385                  || (err = device_create_file(dev,
1386                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1387                  || (err = device_create_file(dev,
1388                                 &sensor_dev_attr_temp3_beep.dev_attr))
1389                  || (err = device_create_file(dev,
1390                                 &sensor_dev_attr_temp3_type.dev_attr)))
1391                         goto ERROR4;
1392
1393         if (data->type != w83697hf && data->vid != 0xff) {
1394                 /* Convert VID to voltage based on VRM */
1395                 data->vrm = vid_which_vrm();
1396
1397                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1398                  || (err = device_create_file(dev, &dev_attr_vrm)))
1399                         goto ERROR4;
1400         }
1401
1402         if (data->type == w83627thf || data->type == w83637hf
1403          || data->type == w83687thf)
1404                 if ((err = device_create_file(dev,
1405                                 &sensor_dev_attr_pwm3.dev_attr)))
1406                         goto ERROR4;
1407
1408         if (data->type == w83637hf || data->type == w83687thf)
1409                 if ((err = device_create_file(dev,
1410                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1411                  || (err = device_create_file(dev,
1412                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1413                  || (err = device_create_file(dev,
1414                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1415                         goto ERROR4;
1416
1417         if (data->type != w83627hf)
1418                 if ((err = device_create_file(dev,
1419                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1420                  || (err = device_create_file(dev,
1421                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1422                         goto ERROR4;
1423
1424         if (data->type == w83627thf || data->type == w83637hf
1425          || data->type == w83687thf)
1426                 if ((err = device_create_file(dev,
1427                                 &sensor_dev_attr_pwm3_enable.dev_attr)))
1428                         goto ERROR4;
1429
1430         data->hwmon_dev = hwmon_device_register(dev);
1431         if (IS_ERR(data->hwmon_dev)) {
1432                 err = PTR_ERR(data->hwmon_dev);
1433                 goto ERROR4;
1434         }
1435
1436         return 0;
1437
1438       ERROR4:
1439         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1440         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1441       ERROR3:
1442         platform_set_drvdata(pdev, NULL);
1443         kfree(data);
1444       ERROR1:
1445         release_region(res->start, WINB_REGION_SIZE);
1446       ERROR0:
1447         return err;
1448 }
1449
1450 static int __devexit w83627hf_remove(struct platform_device *pdev)
1451 {
1452         struct w83627hf_data *data = platform_get_drvdata(pdev);
1453         struct resource *res;
1454
1455         hwmon_device_unregister(data->hwmon_dev);
1456
1457         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1458         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1459         platform_set_drvdata(pdev, NULL);
1460         kfree(data);
1461
1462         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1463         release_region(res->start, WINB_REGION_SIZE);
1464
1465         return 0;
1466 }
1467
1468
1469 /* Registers 0x50-0x5f are banked */
1470 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1471 {
1472         if ((reg & 0x00f0) == 0x50) {
1473                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1474                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1475         }
1476 }
1477
1478 /* Not strictly necessary, but play it safe for now */
1479 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1480 {
1481         if (reg & 0xff00) {
1482                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1483                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1484         }
1485 }
1486
1487 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1488 {
1489         int res, word_sized;
1490
1491         mutex_lock(&data->lock);
1492         word_sized = (((reg & 0xff00) == 0x100)
1493                    || ((reg & 0xff00) == 0x200))
1494                   && (((reg & 0x00ff) == 0x50)
1495                    || ((reg & 0x00ff) == 0x53)
1496                    || ((reg & 0x00ff) == 0x55));
1497         w83627hf_set_bank(data, reg);
1498         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1499         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1500         if (word_sized) {
1501                 outb_p((reg & 0xff) + 1,
1502                        data->addr + W83781D_ADDR_REG_OFFSET);
1503                 res =
1504                     (res << 8) + inb_p(data->addr +
1505                                        W83781D_DATA_REG_OFFSET);
1506         }
1507         w83627hf_reset_bank(data, reg);
1508         mutex_unlock(&data->lock);
1509         return res;
1510 }
1511
1512 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1513 {
1514         int res = 0xff, sel;
1515
1516         superio_enter();
1517         superio_select(W83627HF_LD_GPIO5);
1518
1519         /* Make sure these GPIO pins are enabled */
1520         if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1521                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1522                 goto exit;
1523         }
1524
1525         /* Make sure the pins are configured for input
1526            There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1527         sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
1528         if ((sel & 0x1f) != 0x1f) {
1529                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1530                         "function\n");
1531                 goto exit;
1532         }
1533
1534         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1535         res = superio_inb(W83627THF_GPIO5_DR) & sel;
1536
1537 exit:
1538         superio_exit();
1539         return res;
1540 }
1541
1542 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1543 {
1544         int res = 0xff;
1545
1546         superio_enter();
1547         superio_select(W83627HF_LD_HWM);
1548
1549         /* Make sure these GPIO pins are enabled */
1550         if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
1551                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1552                 goto exit;
1553         }
1554
1555         /* Make sure the pins are configured for input */
1556         if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
1557                 dev_dbg(&pdev->dev, "VID configured as output, "
1558                         "no VID function\n");
1559                 goto exit;
1560         }
1561
1562         res = superio_inb(W83687THF_VID_DATA) & 0x3f;
1563
1564 exit:
1565         superio_exit();
1566         return res;
1567 }
1568
1569 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1570 {
1571         int word_sized;
1572
1573         mutex_lock(&data->lock);
1574         word_sized = (((reg & 0xff00) == 0x100)
1575                    || ((reg & 0xff00) == 0x200))
1576                   && (((reg & 0x00ff) == 0x53)
1577                    || ((reg & 0x00ff) == 0x55));
1578         w83627hf_set_bank(data, reg);
1579         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1580         if (word_sized) {
1581                 outb_p(value >> 8,
1582                        data->addr + W83781D_DATA_REG_OFFSET);
1583                 outb_p((reg & 0xff) + 1,
1584                        data->addr + W83781D_ADDR_REG_OFFSET);
1585         }
1586         outb_p(value & 0xff,
1587                data->addr + W83781D_DATA_REG_OFFSET);
1588         w83627hf_reset_bank(data, reg);
1589         mutex_unlock(&data->lock);
1590         return 0;
1591 }
1592
1593 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1594 {
1595         struct w83627hf_data *data = platform_get_drvdata(pdev);
1596         int i;
1597         enum chips type = data->type;
1598         u8 tmp;
1599
1600         /* Minimize conflicts with other winbond i2c-only clients...  */
1601         /* disable i2c subclients... how to disable main i2c client?? */
1602         /* force i2c address to relatively uncommon address */
1603         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1604         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1605
1606         /* Read VID only once */
1607         if (type == w83627hf || type == w83637hf) {
1608                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1609                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1610                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1611         } else if (type == w83627thf) {
1612                 data->vid = w83627thf_read_gpio5(pdev);
1613         } else if (type == w83687thf) {
1614                 data->vid = w83687thf_read_vid(pdev);
1615         }
1616
1617         /* Read VRM & OVT Config only once */
1618         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1619                 data->vrm_ovt =
1620                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1621         }
1622
1623         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1624         for (i = 1; i <= 3; i++) {
1625                 if (!(tmp & BIT_SCFG1[i - 1])) {
1626                         data->sens[i - 1] = 4;
1627                 } else {
1628                         if (w83627hf_read_value
1629                             (data,
1630                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1631                                 data->sens[i - 1] = 1;
1632                         else
1633                                 data->sens[i - 1] = 2;
1634                 }
1635                 if ((type == w83697hf) && (i == 2))
1636                         break;
1637         }
1638
1639         if(init) {
1640                 /* Enable temp2 */
1641                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1642                 if (tmp & 0x01) {
1643                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1644                                  "might not make sense\n");
1645                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1646                                 tmp & 0xfe);
1647                 }
1648
1649                 /* Enable temp3 */
1650                 if (type != w83697hf) {
1651                         tmp = w83627hf_read_value(data,
1652                                 W83627HF_REG_TEMP3_CONFIG);
1653                         if (tmp & 0x01) {
1654                                 dev_warn(&pdev->dev, "Enabling temp3, "
1655                                          "readings might not make sense\n");
1656                                 w83627hf_write_value(data,
1657                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1658                         }
1659                 }
1660         }
1661
1662         /* Start monitoring */
1663         w83627hf_write_value(data, W83781D_REG_CONFIG,
1664                             (w83627hf_read_value(data,
1665                                                 W83781D_REG_CONFIG) & 0xf7)
1666                             | 0x01);
1667
1668         /* Enable VBAT monitoring if needed */
1669         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1670         if (!(tmp & 0x01))
1671                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1672 }
1673
1674 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1675 {
1676         int reg;
1677
1678         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1679         data->fan_div[0] = (reg >> 4) & 0x03;
1680         data->fan_div[1] = (reg >> 6) & 0x03;
1681         if (data->type != w83697hf) {
1682                 data->fan_div[2] = (w83627hf_read_value(data,
1683                                        W83781D_REG_PIN) >> 6) & 0x03;
1684         }
1685         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1686         data->fan_div[0] |= (reg >> 3) & 0x04;
1687         data->fan_div[1] |= (reg >> 4) & 0x04;
1688         if (data->type != w83697hf)
1689                 data->fan_div[2] |= (reg >> 5) & 0x04;
1690 }
1691
1692 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1693 {
1694         struct w83627hf_data *data = dev_get_drvdata(dev);
1695         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1696         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1697
1698         mutex_lock(&data->update_lock);
1699
1700         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1701             || !data->valid) {
1702                 for (i = 0; i <= 8; i++) {
1703                         /* skip missing sensors */
1704                         if (((data->type == w83697hf) && (i == 1)) ||
1705                             ((data->type != w83627hf && data->type != w83697hf)
1706                             && (i == 5 || i == 6)))
1707                                 continue;
1708                         data->in[i] =
1709                             w83627hf_read_value(data, W83781D_REG_IN(i));
1710                         data->in_min[i] =
1711                             w83627hf_read_value(data,
1712                                                W83781D_REG_IN_MIN(i));
1713                         data->in_max[i] =
1714                             w83627hf_read_value(data,
1715                                                W83781D_REG_IN_MAX(i));
1716                 }
1717                 for (i = 0; i <= 2; i++) {
1718                         data->fan[i] =
1719                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1720                         data->fan_min[i] =
1721                             w83627hf_read_value(data,
1722                                                W83627HF_REG_FAN_MIN(i));
1723                 }
1724                 for (i = 0; i <= 2; i++) {
1725                         u8 tmp = w83627hf_read_value(data,
1726                                 W836X7HF_REG_PWM(data->type, i));
1727                         /* bits 0-3 are reserved  in 627THF */
1728                         if (data->type == w83627thf)
1729                                 tmp &= 0xf0;
1730                         data->pwm[i] = tmp;
1731                         if (i == 1 &&
1732                             (data->type == w83627hf || data->type == w83697hf))
1733                                 break;
1734                 }
1735                 if (data->type == w83627hf) {
1736                                 u8 tmp = w83627hf_read_value(data,
1737                                                 W83627HF_REG_PWM_FREQ);
1738                                 data->pwm_freq[0] = tmp & 0x07;
1739                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1740                 } else if (data->type != w83627thf) {
1741                         for (i = 1; i <= 3; i++) {
1742                                 data->pwm_freq[i - 1] =
1743                                         w83627hf_read_value(data,
1744                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1745                                 if (i == 2 && (data->type == w83697hf))
1746                                         break;
1747                         }
1748                 }
1749                 if (data->type != w83627hf) {
1750                         for (i = 0; i < num_pwms; i++) {
1751                                 u8 tmp = w83627hf_read_value(data,
1752                                         W83627THF_REG_PWM_ENABLE[i]);
1753                                 data->pwm_enable[i] =
1754                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1755                                         & 0x03) + 1;
1756                         }
1757                 }
1758                 for (i = 0; i < num_temps; i++) {
1759                         data->temp[i] = w83627hf_read_value(
1760                                                 data, w83627hf_reg_temp[i]);
1761                         data->temp_max[i] = w83627hf_read_value(
1762                                                 data, w83627hf_reg_temp_over[i]);
1763                         data->temp_max_hyst[i] = w83627hf_read_value(
1764                                                 data, w83627hf_reg_temp_hyst[i]);
1765                 }
1766
1767                 w83627hf_update_fan_div(data);
1768
1769                 data->alarms =
1770                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1771                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1772                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1773                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1774                 data->beep_mask = (i << 8) |
1775                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1776                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1777                 data->last_updated = jiffies;
1778                 data->valid = 1;
1779         }
1780
1781         mutex_unlock(&data->update_lock);
1782
1783         return data;
1784 }
1785
1786 static int __init w83627hf_device_add(unsigned short address,
1787                                       const struct w83627hf_sio_data *sio_data)
1788 {
1789         struct resource res = {
1790                 .start  = address + WINB_REGION_OFFSET,
1791                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1792                 .name   = DRVNAME,
1793                 .flags  = IORESOURCE_IO,
1794         };
1795         int err;
1796
1797         err = acpi_check_resource_conflict(&res);
1798         if (err)
1799                 goto exit;
1800
1801         pdev = platform_device_alloc(DRVNAME, address);
1802         if (!pdev) {
1803                 err = -ENOMEM;
1804                 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1805                 goto exit;
1806         }
1807
1808         err = platform_device_add_resources(pdev, &res, 1);
1809         if (err) {
1810                 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1811                        "(%d)\n", err);
1812                 goto exit_device_put;
1813         }
1814
1815         err = platform_device_add_data(pdev, sio_data,
1816                                        sizeof(struct w83627hf_sio_data));
1817         if (err) {
1818                 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1819                 goto exit_device_put;
1820         }
1821
1822         err = platform_device_add(pdev);
1823         if (err) {
1824                 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1825                        err);
1826                 goto exit_device_put;
1827         }
1828
1829         return 0;
1830
1831 exit_device_put:
1832         platform_device_put(pdev);
1833 exit:
1834         return err;
1835 }
1836
1837 static int __init sensors_w83627hf_init(void)
1838 {
1839         int err;
1840         unsigned short address;
1841         struct w83627hf_sio_data sio_data;
1842
1843         if (w83627hf_find(0x2e, &address, &sio_data)
1844          && w83627hf_find(0x4e, &address, &sio_data))
1845                 return -ENODEV;
1846
1847         err = platform_driver_register(&w83627hf_driver);
1848         if (err)
1849                 goto exit;
1850
1851         /* Sets global pdev as a side effect */
1852         err = w83627hf_device_add(address, &sio_data);
1853         if (err)
1854                 goto exit_driver;
1855
1856         return 0;
1857
1858 exit_driver:
1859         platform_driver_unregister(&w83627hf_driver);
1860 exit:
1861         return err;
1862 }
1863
1864 static void __exit sensors_w83627hf_exit(void)
1865 {
1866         platform_device_unregister(pdev);
1867         platform_driver_unregister(&w83627hf_driver);
1868 }
1869
1870 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1871               "Philip Edelbrock <phil@netroedge.com>, "
1872               "and Mark Studebaker <mdsxyz123@yahoo.com>");
1873 MODULE_DESCRIPTION("W83627HF driver");
1874 MODULE_LICENSE("GPL");
1875
1876 module_init(sensors_w83627hf_init);
1877 module_exit(sensors_w83627hf_exit);