linux/drivers/hwmon/w83627hf.c
<<
>>
Prefs
   1/*
   2 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3 *              monitoring
   4 * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5 *                            Philip Edelbrock <phil@netroedge.com>,
   6 *                            and Mark Studebaker <mdsxyz123@yahoo.com>
   7 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8 * Copyright (c) 2007 - 1012  Jean Delvare <khali@linux-fr.org>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License as published by
  12 * the Free Software Foundation; either version 2 of the License, or
  13 * (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25/*
  26 * Supports following chips:
  27 *
  28 * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29 * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30 * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31 * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32 * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33 * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34 *
  35 * For other winbond chips, and for i2c support in the above chips,
  36 * use w83781d.c.
  37 *
  38 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39 * supported yet.
  40 */
  41
  42#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44#include <linux/module.h>
  45#include <linux/init.h>
  46#include <linux/slab.h>
  47#include <linux/jiffies.h>
  48#include <linux/platform_device.h>
  49#include <linux/hwmon.h>
  50#include <linux/hwmon-sysfs.h>
  51#include <linux/hwmon-vid.h>
  52#include <linux/err.h>
  53#include <linux/mutex.h>
  54#include <linux/ioport.h>
  55#include <linux/acpi.h>
  56#include <linux/io.h>
  57#include "lm75.h"
  58
  59static struct platform_device *pdev;
  60
  61#define DRVNAME "w83627hf"
  62enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  63
  64struct w83627hf_sio_data {
  65        enum chips type;
  66        int sioaddr;
  67};
  68
  69static u8 force_i2c = 0x1f;
  70module_param(force_i2c, byte, 0);
  71MODULE_PARM_DESC(force_i2c,
  72                 "Initialize the i2c address of the sensors");
  73
  74static bool init = 1;
  75module_param(init, bool, 0);
  76MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  77
  78static unsigned short force_id;
  79module_param(force_id, ushort, 0);
  80MODULE_PARM_DESC(force_id, "Override the detected device ID");
  81
  82/* modified from kernel/include/traps.c */
  83#define DEV                     0x07 /* Register: Logical device select */
  84
  85/* logical device numbers for superio_select (below) */
  86#define W83627HF_LD_FDC         0x00
  87#define W83627HF_LD_PRT         0x01
  88#define W83627HF_LD_UART1       0x02
  89#define W83627HF_LD_UART2       0x03
  90#define W83627HF_LD_KBC         0x05
  91#define W83627HF_LD_CIR         0x06 /* w83627hf only */
  92#define W83627HF_LD_GAME        0x07
  93#define W83627HF_LD_MIDI        0x07
  94#define W83627HF_LD_GPIO1       0x07
  95#define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  96#define W83627HF_LD_GPIO2       0x08
  97#define W83627HF_LD_GPIO3       0x09
  98#define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  99#define W83627HF_LD_ACPI        0x0a
 100#define W83627HF_LD_HWM         0x0b
 101
 102#define DEVID                   0x20 /* Register: Device ID */
 103
 104#define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 105#define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 106#define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 107
 108#define W83687THF_VID_EN        0x29 /* w83687thf only */
 109#define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 110#define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 111
 112static inline void
 113superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 114{
 115        outb(reg, sio->sioaddr);
 116        outb(val, sio->sioaddr + 1);
 117}
 118
 119static inline int
 120superio_inb(struct w83627hf_sio_data *sio, int reg)
 121{
 122        outb(reg, sio->sioaddr);
 123        return inb(sio->sioaddr + 1);
 124}
 125
 126static inline void
 127superio_select(struct w83627hf_sio_data *sio, int ld)
 128{
 129        outb(DEV, sio->sioaddr);
 130        outb(ld,  sio->sioaddr + 1);
 131}
 132
 133static inline void
 134superio_enter(struct w83627hf_sio_data *sio)
 135{
 136        outb(0x87, sio->sioaddr);
 137        outb(0x87, sio->sioaddr);
 138}
 139
 140static inline void
 141superio_exit(struct w83627hf_sio_data *sio)
 142{
 143        outb(0xAA, sio->sioaddr);
 144}
 145
 146#define W627_DEVID 0x52
 147#define W627THF_DEVID 0x82
 148#define W697_DEVID 0x60
 149#define W637_DEVID 0x70
 150#define W687THF_DEVID 0x85
 151#define WINB_ACT_REG 0x30
 152#define WINB_BASE_REG 0x60
 153/* Constants specified below */
 154
 155/* Alignment of the base address */
 156#define WINB_ALIGNMENT          ~7
 157
 158/* Offset & size of I/O region we are interested in */
 159#define WINB_REGION_OFFSET      5
 160#define WINB_REGION_SIZE        2
 161
 162/* Where are the sensors address/data registers relative to the region offset */
 163#define W83781D_ADDR_REG_OFFSET 0
 164#define W83781D_DATA_REG_OFFSET 1
 165
 166/* The W83781D registers */
 167/* The W83782D registers for nr=7,8 are in bank 5 */
 168#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 169                                           (0x554 + (((nr) - 7) * 2)))
 170#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 171                                           (0x555 + (((nr) - 7) * 2)))
 172#define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 173                                           (0x550 + (nr) - 7))
 174
 175/* nr:0-2 for fans:1-3 */
 176#define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 177#define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 178
 179#define W83627HF_REG_TEMP2_CONFIG 0x152
 180#define W83627HF_REG_TEMP3_CONFIG 0x252
 181/* these are zero-based, unlike config constants above */
 182static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 183static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 184static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 185
 186#define W83781D_REG_BANK 0x4E
 187
 188#define W83781D_REG_CONFIG 0x40
 189#define W83781D_REG_ALARM1 0x459
 190#define W83781D_REG_ALARM2 0x45A
 191#define W83781D_REG_ALARM3 0x45B
 192
 193#define W83781D_REG_BEEP_CONFIG 0x4D
 194#define W83781D_REG_BEEP_INTS1 0x56
 195#define W83781D_REG_BEEP_INTS2 0x57
 196#define W83781D_REG_BEEP_INTS3 0x453
 197
 198#define W83781D_REG_VID_FANDIV 0x47
 199
 200#define W83781D_REG_CHIPID 0x49
 201#define W83781D_REG_WCHIPID 0x58
 202#define W83781D_REG_CHIPMAN 0x4F
 203#define W83781D_REG_PIN 0x4B
 204
 205#define W83781D_REG_VBAT 0x5D
 206
 207#define W83627HF_REG_PWM1 0x5A
 208#define W83627HF_REG_PWM2 0x5B
 209
 210static const u8 W83627THF_REG_PWM_ENABLE[] = {
 211        0x04,           /* FAN 1 mode */
 212        0x04,           /* FAN 2 mode */
 213        0x12,           /* FAN AUX mode */
 214};
 215static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 216
 217#define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 218#define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 219#define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 220
 221#define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 222
 223static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 224static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 225                             W83627THF_REG_PWM3 };
 226#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 227                                    regpwm_627hf[nr] : regpwm[nr])
 228
 229#define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 230
 231#define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 232#define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 233#define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 234
 235static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 236                                        W83637HF_REG_PWM_FREQ2,
 237                                        W83637HF_REG_PWM_FREQ3 };
 238
 239#define W83627HF_BASE_PWM_FREQ  46870
 240
 241#define W83781D_REG_I2C_ADDR 0x48
 242#define W83781D_REG_I2C_SUBADDR 0x4A
 243
 244/* Sensor selection */
 245#define W83781D_REG_SCFG1 0x5D
 246static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 247#define W83781D_REG_SCFG2 0x59
 248static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 249#define W83781D_DEFAULT_BETA 3435
 250
 251/*
 252 * Conversions. Limit checking is only done on the TO_REG
 253 * variants. Note that you should be a bit careful with which arguments
 254 * these macros are called: arguments may be evaluated more than once.
 255 * Fixing this is just not worth it.
 256 */
 257#define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 258#define IN_FROM_REG(val) ((val) * 16)
 259
 260static inline u8 FAN_TO_REG(long rpm, int div)
 261{
 262        if (rpm == 0)
 263                return 255;
 264        rpm = clamp_val(rpm, 1, 1000000);
 265        return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 266}
 267
 268#define TEMP_MIN (-128000)
 269#define TEMP_MAX ( 127000)
 270
 271/*
 272 * TEMP: 0.001C/bit (-128C to +127C)
 273 * REG: 1C/bit, two's complement
 274 */
 275static u8 TEMP_TO_REG(long temp)
 276{
 277        int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 278        ntemp += (ntemp < 0 ? -500 : 500);
 279        return (u8)(ntemp / 1000);
 280}
 281
 282static int TEMP_FROM_REG(u8 reg)
 283{
 284        return (s8)reg * 1000;
 285}
 286
 287#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 288
 289#define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 290
 291static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 292{
 293        unsigned long freq;
 294        freq = W83627HF_BASE_PWM_FREQ >> reg;
 295        return freq;
 296}
 297static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 298{
 299        u8 i;
 300        /*
 301         * Only 5 dividers (1 2 4 8 16)
 302         * Search for the nearest available frequency
 303         */
 304        for (i = 0; i < 4; i++) {
 305                if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 306                            (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 307                        break;
 308        }
 309        return i;
 310}
 311
 312static inline unsigned long pwm_freq_from_reg(u8 reg)
 313{
 314        /* Clock bit 8 -> 180 kHz or 24 MHz */
 315        unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 316
 317        reg &= 0x7f;
 318        /* This should not happen but anyway... */
 319        if (reg == 0)
 320                reg++;
 321        return clock / (reg << 8);
 322}
 323static inline u8 pwm_freq_to_reg(unsigned long val)
 324{
 325        /* Minimum divider value is 0x01 and maximum is 0x7F */
 326        if (val >= 93750)       /* The highest we can do */
 327                return 0x01;
 328        if (val >= 720) /* Use 24 MHz clock */
 329                return 24000000UL / (val << 8);
 330        if (val < 6)            /* The lowest we can do */
 331                return 0xFF;
 332        else                    /* Use 180 kHz clock */
 333                return 0x80 | (180000UL / (val << 8));
 334}
 335
 336#define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 337#define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 338
 339#define DIV_FROM_REG(val) (1 << (val))
 340
 341static inline u8 DIV_TO_REG(long val)
 342{
 343        int i;
 344        val = clamp_val(val, 1, 128) >> 1;
 345        for (i = 0; i < 7; i++) {
 346                if (val == 0)
 347                        break;
 348                val >>= 1;
 349        }
 350        return (u8)i;
 351}
 352
 353/*
 354 * For each registered chip, we need to keep some data in memory.
 355 * The structure is dynamically allocated.
 356 */
 357struct w83627hf_data {
 358        unsigned short addr;
 359        const char *name;
 360        struct device *hwmon_dev;
 361        struct mutex lock;
 362        enum chips type;
 363
 364        struct mutex update_lock;
 365        char valid;             /* !=0 if following fields are valid */
 366        unsigned long last_updated;     /* In jiffies */
 367
 368        u8 in[9];               /* Register value */
 369        u8 in_max[9];           /* Register value */
 370        u8 in_min[9];           /* Register value */
 371        u8 fan[3];              /* Register value */
 372        u8 fan_min[3];          /* Register value */
 373        u16 temp[3];            /* Register value */
 374        u16 temp_max[3];        /* Register value */
 375        u16 temp_max_hyst[3];   /* Register value */
 376        u8 fan_div[3];          /* Register encoding, shifted right */
 377        u8 vid;                 /* Register encoding, combined */
 378        u32 alarms;             /* Register encoding, combined */
 379        u32 beep_mask;          /* Register encoding, combined */
 380        u8 pwm[3];              /* Register value */
 381        u8 pwm_enable[3];       /* 1 = manual
 382                                 * 2 = thermal cruise (also called SmartFan I)
 383                                 * 3 = fan speed cruise
 384                                 */
 385        u8 pwm_freq[3];         /* Register value */
 386        u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 387                                 * 4 = thermistor
 388                                 */
 389        u8 vrm;
 390        u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 391
 392#ifdef CONFIG_PM
 393        /* Remember extra register values over suspend/resume */
 394        u8 scfg1;
 395        u8 scfg2;
 396#endif
 397};
 398
 399
 400static int w83627hf_probe(struct platform_device *pdev);
 401static int w83627hf_remove(struct platform_device *pdev);
 402
 403static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 404static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 405static void w83627hf_update_fan_div(struct w83627hf_data *data);
 406static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 407static void w83627hf_init_device(struct platform_device *pdev);
 408
 409#ifdef CONFIG_PM
 410static int w83627hf_suspend(struct device *dev)
 411{
 412        struct w83627hf_data *data = w83627hf_update_device(dev);
 413
 414        mutex_lock(&data->update_lock);
 415        data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 416        data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 417        mutex_unlock(&data->update_lock);
 418
 419        return 0;
 420}
 421
 422static int w83627hf_resume(struct device *dev)
 423{
 424        struct w83627hf_data *data = dev_get_drvdata(dev);
 425        int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 426
 427        /* Restore limits */
 428        mutex_lock(&data->update_lock);
 429        for (i = 0; i <= 8; i++) {
 430                /* skip missing sensors */
 431                if (((data->type == w83697hf) && (i == 1)) ||
 432                    ((data->type != w83627hf && data->type != w83697hf)
 433                    && (i == 5 || i == 6)))
 434                        continue;
 435                w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 436                                     data->in_max[i]);
 437                w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 438                                     data->in_min[i]);
 439        }
 440        for (i = 0; i <= 2; i++)
 441                w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 442                                     data->fan_min[i]);
 443        for (i = 0; i < num_temps; i++) {
 444                w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 445                                     data->temp_max[i]);
 446                w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 447                                     data->temp_max_hyst[i]);
 448        }
 449
 450        /* Fixup BIOS bugs */
 451        if (data->type == w83627thf || data->type == w83637hf ||
 452            data->type == w83687thf)
 453                w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 454                                     data->vrm_ovt);
 455        w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 456        w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 457
 458        /* Force re-reading all values */
 459        data->valid = 0;
 460        mutex_unlock(&data->update_lock);
 461
 462        return 0;
 463}
 464
 465static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 466        .suspend = w83627hf_suspend,
 467        .resume = w83627hf_resume,
 468};
 469
 470#define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 471#else
 472#define W83627HF_DEV_PM_OPS     NULL
 473#endif /* CONFIG_PM */
 474
 475static struct platform_driver w83627hf_driver = {
 476        .driver = {
 477                .owner  = THIS_MODULE,
 478                .name   = DRVNAME,
 479                .pm     = W83627HF_DEV_PM_OPS,
 480        },
 481        .probe          = w83627hf_probe,
 482        .remove         = w83627hf_remove,
 483};
 484
 485static ssize_t
 486show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 487{
 488        int nr = to_sensor_dev_attr(devattr)->index;
 489        struct w83627hf_data *data = w83627hf_update_device(dev);
 490        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 491}
 492static ssize_t
 493show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 494{
 495        int nr = to_sensor_dev_attr(devattr)->index;
 496        struct w83627hf_data *data = w83627hf_update_device(dev);
 497        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 498}
 499static ssize_t
 500show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 501{
 502        int nr = to_sensor_dev_attr(devattr)->index;
 503        struct w83627hf_data *data = w83627hf_update_device(dev);
 504        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 505}
 506static ssize_t
 507store_in_min(struct device *dev, struct device_attribute *devattr,
 508             const char *buf, size_t count)
 509{
 510        int nr = to_sensor_dev_attr(devattr)->index;
 511        struct w83627hf_data *data = dev_get_drvdata(dev);
 512        long val;
 513        int err;
 514
 515        err = kstrtol(buf, 10, &val);
 516        if (err)
 517                return err;
 518
 519        mutex_lock(&data->update_lock);
 520        data->in_min[nr] = IN_TO_REG(val);
 521        w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 522        mutex_unlock(&data->update_lock);
 523        return count;
 524}
 525static ssize_t
 526store_in_max(struct device *dev, struct device_attribute *devattr,
 527             const char *buf, size_t count)
 528{
 529        int nr = to_sensor_dev_attr(devattr)->index;
 530        struct w83627hf_data *data = dev_get_drvdata(dev);
 531        long val;
 532        int err;
 533
 534        err = kstrtol(buf, 10, &val);
 535        if (err)
 536                return err;
 537
 538        mutex_lock(&data->update_lock);
 539        data->in_max[nr] = IN_TO_REG(val);
 540        w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 541        mutex_unlock(&data->update_lock);
 542        return count;
 543}
 544#define sysfs_vin_decl(offset) \
 545static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 546                          show_in_input, NULL, offset);         \
 547static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 548                          show_in_min, store_in_min, offset);   \
 549static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 550                          show_in_max, store_in_max, offset);
 551
 552sysfs_vin_decl(1);
 553sysfs_vin_decl(2);
 554sysfs_vin_decl(3);
 555sysfs_vin_decl(4);
 556sysfs_vin_decl(5);
 557sysfs_vin_decl(6);
 558sysfs_vin_decl(7);
 559sysfs_vin_decl(8);
 560
 561/* use a different set of functions for in0 */
 562static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 563{
 564        long in0;
 565
 566        if ((data->vrm_ovt & 0x01) &&
 567                (w83627thf == data->type || w83637hf == data->type
 568                 || w83687thf == data->type))
 569
 570                /* use VRM9 calculation */
 571                in0 = (long)((reg * 488 + 70000 + 50) / 100);
 572        else
 573                /* use VRM8 (standard) calculation */
 574                in0 = (long)IN_FROM_REG(reg);
 575
 576        return sprintf(buf,"%ld\n", in0);
 577}
 578
 579static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 580{
 581        struct w83627hf_data *data = w83627hf_update_device(dev);
 582        return show_in_0(data, buf, data->in[0]);
 583}
 584
 585static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 586{
 587        struct w83627hf_data *data = w83627hf_update_device(dev);
 588        return show_in_0(data, buf, data->in_min[0]);
 589}
 590
 591static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 592{
 593        struct w83627hf_data *data = w83627hf_update_device(dev);
 594        return show_in_0(data, buf, data->in_max[0]);
 595}
 596
 597static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 598        const char *buf, size_t count)
 599{
 600        struct w83627hf_data *data = dev_get_drvdata(dev);
 601        unsigned long val;
 602        int err;
 603
 604        err = kstrtoul(buf, 10, &val);
 605        if (err)
 606                return err;
 607
 608        mutex_lock(&data->update_lock);
 609        
 610        if ((data->vrm_ovt & 0x01) &&
 611                (w83627thf == data->type || w83637hf == data->type
 612                 || w83687thf == data->type))
 613
 614                /* use VRM9 calculation */
 615                data->in_min[0] =
 616                        clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 617        else
 618                /* use VRM8 (standard) calculation */
 619                data->in_min[0] = IN_TO_REG(val);
 620
 621        w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 622        mutex_unlock(&data->update_lock);
 623        return count;
 624}
 625
 626static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 627        const char *buf, size_t count)
 628{
 629        struct w83627hf_data *data = dev_get_drvdata(dev);
 630        unsigned long val;
 631        int err;
 632
 633        err = kstrtoul(buf, 10, &val);
 634        if (err)
 635                return err;
 636
 637        mutex_lock(&data->update_lock);
 638
 639        if ((data->vrm_ovt & 0x01) &&
 640                (w83627thf == data->type || w83637hf == data->type
 641                 || w83687thf == data->type))
 642                
 643                /* use VRM9 calculation */
 644                data->in_max[0] =
 645                        clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 646        else
 647                /* use VRM8 (standard) calculation */
 648                data->in_max[0] = IN_TO_REG(val);
 649
 650        w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 651        mutex_unlock(&data->update_lock);
 652        return count;
 653}
 654
 655static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 656static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 657        show_regs_in_min0, store_regs_in_min0);
 658static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 659        show_regs_in_max0, store_regs_in_max0);
 660
 661static ssize_t
 662show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 663{
 664        int nr = to_sensor_dev_attr(devattr)->index;
 665        struct w83627hf_data *data = w83627hf_update_device(dev);
 666        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 667                                (long)DIV_FROM_REG(data->fan_div[nr])));
 668}
 669static ssize_t
 670show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 671{
 672        int nr = to_sensor_dev_attr(devattr)->index;
 673        struct w83627hf_data *data = w83627hf_update_device(dev);
 674        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 675                                (long)DIV_FROM_REG(data->fan_div[nr])));
 676}
 677static ssize_t
 678store_fan_min(struct device *dev, struct device_attribute *devattr,
 679              const char *buf, size_t count)
 680{
 681        int nr = to_sensor_dev_attr(devattr)->index;
 682        struct w83627hf_data *data = dev_get_drvdata(dev);
 683        unsigned long val;
 684        int err;
 685
 686        err = kstrtoul(buf, 10, &val);
 687        if (err)
 688                return err;
 689
 690        mutex_lock(&data->update_lock);
 691        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 692        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 693                             data->fan_min[nr]);
 694
 695        mutex_unlock(&data->update_lock);
 696        return count;
 697}
 698#define sysfs_fan_decl(offset)  \
 699static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 700                          show_fan_input, NULL, offset - 1);            \
 701static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 702                          show_fan_min, store_fan_min, offset - 1);
 703
 704sysfs_fan_decl(1);
 705sysfs_fan_decl(2);
 706sysfs_fan_decl(3);
 707
 708static ssize_t
 709show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 710{
 711        int nr = to_sensor_dev_attr(devattr)->index;
 712        struct w83627hf_data *data = w83627hf_update_device(dev);
 713
 714        u16 tmp = data->temp[nr];
 715        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 716                                          : (long) TEMP_FROM_REG(tmp));
 717}
 718
 719static ssize_t
 720show_temp_max(struct device *dev, struct device_attribute *devattr,
 721              char *buf)
 722{
 723        int nr = to_sensor_dev_attr(devattr)->index;
 724        struct w83627hf_data *data = w83627hf_update_device(dev);
 725
 726        u16 tmp = data->temp_max[nr];
 727        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 728                                          : (long) TEMP_FROM_REG(tmp));
 729}
 730
 731static ssize_t
 732show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 733                   char *buf)
 734{
 735        int nr = to_sensor_dev_attr(devattr)->index;
 736        struct w83627hf_data *data = w83627hf_update_device(dev);
 737
 738        u16 tmp = data->temp_max_hyst[nr];
 739        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 740                                          : (long) TEMP_FROM_REG(tmp));
 741}
 742
 743static ssize_t
 744store_temp_max(struct device *dev, struct device_attribute *devattr,
 745               const char *buf, size_t count)
 746{
 747        int nr = to_sensor_dev_attr(devattr)->index;
 748        struct w83627hf_data *data = dev_get_drvdata(dev);
 749        u16 tmp;
 750        long val;
 751        int err;
 752
 753        err = kstrtol(buf, 10, &val);
 754        if (err)
 755                return err;
 756
 757        tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 758        mutex_lock(&data->update_lock);
 759        data->temp_max[nr] = tmp;
 760        w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 761        mutex_unlock(&data->update_lock);
 762        return count;
 763}
 764
 765static ssize_t
 766store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 767                    const char *buf, size_t count)
 768{
 769        int nr = to_sensor_dev_attr(devattr)->index;
 770        struct w83627hf_data *data = dev_get_drvdata(dev);
 771        u16 tmp;
 772        long val;
 773        int err;
 774
 775        err = kstrtol(buf, 10, &val);
 776        if (err)
 777                return err;
 778
 779        tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 780        mutex_lock(&data->update_lock);
 781        data->temp_max_hyst[nr] = tmp;
 782        w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 783        mutex_unlock(&data->update_lock);
 784        return count;
 785}
 786
 787#define sysfs_temp_decl(offset) \
 788static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 789                          show_temp, NULL, offset - 1);                 \
 790static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 791                          show_temp_max, store_temp_max, offset - 1);   \
 792static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 793                          show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 794
 795sysfs_temp_decl(1);
 796sysfs_temp_decl(2);
 797sysfs_temp_decl(3);
 798
 799static ssize_t
 800show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 801{
 802        struct w83627hf_data *data = w83627hf_update_device(dev);
 803        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 804}
 805static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 806
 807static ssize_t
 808show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 809{
 810        struct w83627hf_data *data = dev_get_drvdata(dev);
 811        return sprintf(buf, "%ld\n", (long) data->vrm);
 812}
 813static ssize_t
 814store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 815{
 816        struct w83627hf_data *data = dev_get_drvdata(dev);
 817        unsigned long val;
 818        int err;
 819
 820        err = kstrtoul(buf, 10, &val);
 821        if (err)
 822                return err;
 823        data->vrm = val;
 824
 825        return count;
 826}
 827static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 828
 829static ssize_t
 830show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 831{
 832        struct w83627hf_data *data = w83627hf_update_device(dev);
 833        return sprintf(buf, "%ld\n", (long) data->alarms);
 834}
 835static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 836
 837static ssize_t
 838show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 839{
 840        struct w83627hf_data *data = w83627hf_update_device(dev);
 841        int bitnr = to_sensor_dev_attr(attr)->index;
 842        return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 843}
 844static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 845static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 846static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 847static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 848static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 849static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 850static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 851static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 852static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 853static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 854static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 855static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 856static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 857static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 858static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 859
 860static ssize_t
 861show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 862{
 863        struct w83627hf_data *data = w83627hf_update_device(dev);
 864        return sprintf(buf, "%ld\n",
 865                      (long)BEEP_MASK_FROM_REG(data->beep_mask));
 866}
 867
 868static ssize_t
 869store_beep_mask(struct device *dev, struct device_attribute *attr,
 870                const char *buf, size_t count)
 871{
 872        struct w83627hf_data *data = dev_get_drvdata(dev);
 873        unsigned long val;
 874        int err;
 875
 876        err = kstrtoul(buf, 10, &val);
 877        if (err)
 878                return err;
 879
 880        mutex_lock(&data->update_lock);
 881
 882        /* preserve beep enable */
 883        data->beep_mask = (data->beep_mask & 0x8000)
 884                        | BEEP_MASK_TO_REG(val);
 885        w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 886                            data->beep_mask & 0xff);
 887        w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 888                            ((data->beep_mask) >> 16) & 0xff);
 889        w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 890                            (data->beep_mask >> 8) & 0xff);
 891
 892        mutex_unlock(&data->update_lock);
 893        return count;
 894}
 895
 896static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 897                   show_beep_mask, store_beep_mask);
 898
 899static ssize_t
 900show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 901{
 902        struct w83627hf_data *data = w83627hf_update_device(dev);
 903        int bitnr = to_sensor_dev_attr(attr)->index;
 904        return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 905}
 906
 907static ssize_t
 908store_beep(struct device *dev, struct device_attribute *attr,
 909                const char *buf, size_t count)
 910{
 911        struct w83627hf_data *data = dev_get_drvdata(dev);
 912        int bitnr = to_sensor_dev_attr(attr)->index;
 913        u8 reg;
 914        unsigned long bit;
 915        int err;
 916
 917        err = kstrtoul(buf, 10, &bit);
 918        if (err)
 919                return err;
 920
 921        if (bit & ~1)
 922                return -EINVAL;
 923
 924        mutex_lock(&data->update_lock);
 925        if (bit)
 926                data->beep_mask |= (1 << bitnr);
 927        else
 928                data->beep_mask &= ~(1 << bitnr);
 929
 930        if (bitnr < 8) {
 931                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 932                if (bit)
 933                        reg |= (1 << bitnr);
 934                else
 935                        reg &= ~(1 << bitnr);
 936                w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 937        } else if (bitnr < 16) {
 938                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 939                if (bit)
 940                        reg |= (1 << (bitnr - 8));
 941                else
 942                        reg &= ~(1 << (bitnr - 8));
 943                w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 944        } else {
 945                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 946                if (bit)
 947                        reg |= (1 << (bitnr - 16));
 948                else
 949                        reg &= ~(1 << (bitnr - 16));
 950                w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 951        }
 952        mutex_unlock(&data->update_lock);
 953
 954        return count;
 955}
 956
 957static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 958                        show_beep, store_beep, 0);
 959static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 960                        show_beep, store_beep, 1);
 961static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 962                        show_beep, store_beep, 2);
 963static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 964                        show_beep, store_beep, 3);
 965static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 966                        show_beep, store_beep, 8);
 967static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 968                        show_beep, store_beep, 9);
 969static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 970                        show_beep, store_beep, 10);
 971static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 972                        show_beep, store_beep, 16);
 973static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 974                        show_beep, store_beep, 17);
 975static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 976                        show_beep, store_beep, 6);
 977static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 978                        show_beep, store_beep, 7);
 979static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 980                        show_beep, store_beep, 11);
 981static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 982                        show_beep, store_beep, 4);
 983static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 984                        show_beep, store_beep, 5);
 985static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 986                        show_beep, store_beep, 13);
 987static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 988                        show_beep, store_beep, 15);
 989
 990static ssize_t
 991show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 992{
 993        int nr = to_sensor_dev_attr(devattr)->index;
 994        struct w83627hf_data *data = w83627hf_update_device(dev);
 995        return sprintf(buf, "%ld\n",
 996                       (long) DIV_FROM_REG(data->fan_div[nr]));
 997}
 998/*
 999 * Note: we save and restore the fan minimum here, because its value is
1000 * determined in part by the fan divisor.  This follows the principle of
1001 * least surprise; the user doesn't expect the fan minimum to change just
1002 * because the divisor changed.
1003 */
1004static ssize_t
1005store_fan_div(struct device *dev, struct device_attribute *devattr,
1006              const char *buf, size_t count)
1007{
1008        int nr = to_sensor_dev_attr(devattr)->index;
1009        struct w83627hf_data *data = dev_get_drvdata(dev);
1010        unsigned long min;
1011        u8 reg;
1012        unsigned long val;
1013        int err;
1014
1015        err = kstrtoul(buf, 10, &val);
1016        if (err)
1017                return err;
1018
1019        mutex_lock(&data->update_lock);
1020
1021        /* Save fan_min */
1022        min = FAN_FROM_REG(data->fan_min[nr],
1023                           DIV_FROM_REG(data->fan_div[nr]));
1024
1025        data->fan_div[nr] = DIV_TO_REG(val);
1026
1027        reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1028               & (nr==0 ? 0xcf : 0x3f))
1029            | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1030        w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1031
1032        reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1033               & ~(1 << (5 + nr)))
1034            | ((data->fan_div[nr] & 0x04) << (3 + nr));
1035        w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1036
1037        /* Restore fan_min */
1038        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1039        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1040
1041        mutex_unlock(&data->update_lock);
1042        return count;
1043}
1044
1045static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1046                          show_fan_div, store_fan_div, 0);
1047static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1048                          show_fan_div, store_fan_div, 1);
1049static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1050                          show_fan_div, store_fan_div, 2);
1051
1052static ssize_t
1053show_pwm(struct device *dev, struct device_attribute *devattr, 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->pwm[nr]);
1058}
1059
1060static ssize_t
1061store_pwm(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        unsigned long val;
1067        int err;
1068
1069        err = kstrtoul(buf, 10, &val);
1070        if (err)
1071                return err;
1072
1073        mutex_lock(&data->update_lock);
1074
1075        if (data->type == w83627thf) {
1076                /* bits 0-3 are reserved  in 627THF */
1077                data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1078                w83627hf_write_value(data,
1079                                     W836X7HF_REG_PWM(data->type, nr),
1080                                     data->pwm[nr] |
1081                                     (w83627hf_read_value(data,
1082                                     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1083        } else {
1084                data->pwm[nr] = PWM_TO_REG(val);
1085                w83627hf_write_value(data,
1086                                     W836X7HF_REG_PWM(data->type, nr),
1087                                     data->pwm[nr]);
1088        }
1089
1090        mutex_unlock(&data->update_lock);
1091        return count;
1092}
1093
1094static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1095static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1096static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1097
1098static ssize_t
1099show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1100{
1101        int nr = to_sensor_dev_attr(devattr)->index;
1102        struct w83627hf_data *data = w83627hf_update_device(dev);
1103        return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1104}
1105
1106static ssize_t
1107store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1108          const char *buf, size_t count)
1109{
1110        int nr = to_sensor_dev_attr(devattr)->index;
1111        struct w83627hf_data *data = dev_get_drvdata(dev);
1112        u8 reg;
1113        unsigned long val;
1114        int err;
1115
1116        err = kstrtoul(buf, 10, &val);
1117        if (err)
1118                return err;
1119
1120        if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1121                return -EINVAL;
1122        mutex_lock(&data->update_lock);
1123        data->pwm_enable[nr] = val;
1124        reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1125        reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1126        reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1127        w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1128        mutex_unlock(&data->update_lock);
1129        return count;
1130}
1131
1132static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1133                                                  store_pwm_enable, 0);
1134static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1135                                                  store_pwm_enable, 1);
1136static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1137                                                  store_pwm_enable, 2);
1138
1139static ssize_t
1140show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1141{
1142        int nr = to_sensor_dev_attr(devattr)->index;
1143        struct w83627hf_data *data = w83627hf_update_device(dev);
1144        if (data->type == w83627hf)
1145                return sprintf(buf, "%ld\n",
1146                        pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1147        else
1148                return sprintf(buf, "%ld\n",
1149                        pwm_freq_from_reg(data->pwm_freq[nr]));
1150}
1151
1152static ssize_t
1153store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1154               const char *buf, size_t count)
1155{
1156        int nr = to_sensor_dev_attr(devattr)->index;
1157        struct w83627hf_data *data = dev_get_drvdata(dev);
1158        static const u8 mask[]={0xF8, 0x8F};
1159        unsigned long val;
1160        int err;
1161
1162        err = kstrtoul(buf, 10, &val);
1163        if (err)
1164                return err;
1165
1166        mutex_lock(&data->update_lock);
1167
1168        if (data->type == w83627hf) {
1169                data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1170                w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1171                                (data->pwm_freq[nr] << (nr*4)) |
1172                                (w83627hf_read_value(data,
1173                                W83627HF_REG_PWM_FREQ) & mask[nr]));
1174        } else {
1175                data->pwm_freq[nr] = pwm_freq_to_reg(val);
1176                w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1177                                data->pwm_freq[nr]);
1178        }
1179
1180        mutex_unlock(&data->update_lock);
1181        return count;
1182}
1183
1184static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1185                          show_pwm_freq, store_pwm_freq, 0);
1186static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1187                          show_pwm_freq, store_pwm_freq, 1);
1188static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1189                          show_pwm_freq, store_pwm_freq, 2);
1190
1191static ssize_t
1192show_temp_type(struct device *dev, struct device_attribute *devattr,
1193               char *buf)
1194{
1195        int nr = to_sensor_dev_attr(devattr)->index;
1196        struct w83627hf_data *data = w83627hf_update_device(dev);
1197        return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1198}
1199
1200static ssize_t
1201store_temp_type(struct device *dev, struct device_attribute *devattr,
1202                const char *buf, size_t count)
1203{
1204        int nr = to_sensor_dev_attr(devattr)->index;
1205        struct w83627hf_data *data = dev_get_drvdata(dev);
1206        unsigned long val;
1207        u32 tmp;
1208        int err;
1209
1210        err = kstrtoul(buf, 10, &val);
1211        if (err)
1212                return err;
1213
1214        mutex_lock(&data->update_lock);
1215
1216        switch (val) {
1217        case 1:         /* PII/Celeron diode */
1218                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1219                w83627hf_write_value(data, W83781D_REG_SCFG1,
1220                                    tmp | BIT_SCFG1[nr]);
1221                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1222                w83627hf_write_value(data, W83781D_REG_SCFG2,
1223                                    tmp | BIT_SCFG2[nr]);
1224                data->sens[nr] = val;
1225                break;
1226        case 2:         /* 3904 */
1227                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1228                w83627hf_write_value(data, W83781D_REG_SCFG1,
1229                                    tmp | BIT_SCFG1[nr]);
1230                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1231                w83627hf_write_value(data, W83781D_REG_SCFG2,
1232                                    tmp & ~BIT_SCFG2[nr]);
1233                data->sens[nr] = val;
1234                break;
1235        case W83781D_DEFAULT_BETA:
1236                dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1237                         "instead\n", W83781D_DEFAULT_BETA);
1238                /* fall through */
1239        case 4:         /* thermistor */
1240                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1241                w83627hf_write_value(data, W83781D_REG_SCFG1,
1242                                    tmp & ~BIT_SCFG1[nr]);
1243                data->sens[nr] = val;
1244                break;
1245        default:
1246                dev_err(dev,
1247                       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1248                       (long) val);
1249                break;
1250        }
1251
1252        mutex_unlock(&data->update_lock);
1253        return count;
1254}
1255
1256#define sysfs_temp_type(offset) \
1257static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1258                          show_temp_type, store_temp_type, offset - 1);
1259
1260sysfs_temp_type(1);
1261sysfs_temp_type(2);
1262sysfs_temp_type(3);
1263
1264static ssize_t
1265show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1266{
1267        struct w83627hf_data *data = dev_get_drvdata(dev);
1268
1269        return sprintf(buf, "%s\n", data->name);
1270}
1271static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1272
1273static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1274                                struct w83627hf_sio_data *sio_data)
1275{
1276        int err = -ENODEV;
1277        u16 val;
1278
1279        static __initconst char *const names[] = {
1280                "W83627HF",
1281                "W83627THF",
1282                "W83697HF",
1283                "W83637HF",
1284                "W83687THF",
1285        };
1286
1287        sio_data->sioaddr = sioaddr;
1288        superio_enter(sio_data);
1289        val = force_id ? force_id : superio_inb(sio_data, DEVID);
1290        switch (val) {
1291        case W627_DEVID:
1292                sio_data->type = w83627hf;
1293                break;
1294        case W627THF_DEVID:
1295                sio_data->type = w83627thf;
1296                break;
1297        case W697_DEVID:
1298                sio_data->type = w83697hf;
1299                break;
1300        case W637_DEVID:
1301                sio_data->type = w83637hf;
1302                break;
1303        case W687THF_DEVID:
1304                sio_data->type = w83687thf;
1305                break;
1306        case 0xff:      /* No device at all */
1307                goto exit;
1308        default:
1309                pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1310                goto exit;
1311        }
1312
1313        superio_select(sio_data, W83627HF_LD_HWM);
1314        val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1315               superio_inb(sio_data, WINB_BASE_REG + 1);
1316        *addr = val & WINB_ALIGNMENT;
1317        if (*addr == 0) {
1318                pr_warn("Base address not set, skipping\n");
1319                goto exit;
1320        }
1321
1322        val = superio_inb(sio_data, WINB_ACT_REG);
1323        if (!(val & 0x01)) {
1324                pr_warn("Enabling HWM logical device\n");
1325                superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1326        }
1327
1328        err = 0;
1329        pr_info(DRVNAME ": Found %s chip at %#x\n",
1330                names[sio_data->type], *addr);
1331
1332 exit:
1333        superio_exit(sio_data);
1334        return err;
1335}
1336
1337#define VIN_UNIT_ATTRS(_X_)     \
1338        &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1339        &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1340        &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1341        &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1342        &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1343
1344#define FAN_UNIT_ATTRS(_X_)     \
1345        &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1346        &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1347        &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1348        &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1349        &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1350
1351#define TEMP_UNIT_ATTRS(_X_)    \
1352        &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1353        &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1354        &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1355        &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1356        &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1357        &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1358
1359static struct attribute *w83627hf_attributes[] = {
1360        &dev_attr_in0_input.attr,
1361        &dev_attr_in0_min.attr,
1362        &dev_attr_in0_max.attr,
1363        &sensor_dev_attr_in0_alarm.dev_attr.attr,
1364        &sensor_dev_attr_in0_beep.dev_attr.attr,
1365        VIN_UNIT_ATTRS(2),
1366        VIN_UNIT_ATTRS(3),
1367        VIN_UNIT_ATTRS(4),
1368        VIN_UNIT_ATTRS(7),
1369        VIN_UNIT_ATTRS(8),
1370
1371        FAN_UNIT_ATTRS(1),
1372        FAN_UNIT_ATTRS(2),
1373
1374        TEMP_UNIT_ATTRS(1),
1375        TEMP_UNIT_ATTRS(2),
1376
1377        &dev_attr_alarms.attr,
1378        &sensor_dev_attr_beep_enable.dev_attr.attr,
1379        &dev_attr_beep_mask.attr,
1380
1381        &sensor_dev_attr_pwm1.dev_attr.attr,
1382        &sensor_dev_attr_pwm2.dev_attr.attr,
1383        &dev_attr_name.attr,
1384        NULL
1385};
1386
1387static const struct attribute_group w83627hf_group = {
1388        .attrs = w83627hf_attributes,
1389};
1390
1391static struct attribute *w83627hf_attributes_opt[] = {
1392        VIN_UNIT_ATTRS(1),
1393        VIN_UNIT_ATTRS(5),
1394        VIN_UNIT_ATTRS(6),
1395
1396        FAN_UNIT_ATTRS(3),
1397        TEMP_UNIT_ATTRS(3),
1398        &sensor_dev_attr_pwm3.dev_attr.attr,
1399
1400        &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1401        &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1402        &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1403
1404        &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1405        &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1406        &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1407
1408        NULL
1409};
1410
1411static const struct attribute_group w83627hf_group_opt = {
1412        .attrs = w83627hf_attributes_opt,
1413};
1414
1415static int w83627hf_probe(struct platform_device *pdev)
1416{
1417        struct device *dev = &pdev->dev;
1418        struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1419        struct w83627hf_data *data;
1420        struct resource *res;
1421        int err, i;
1422
1423        static const char *names[] = {
1424                "w83627hf",
1425                "w83627thf",
1426                "w83697hf",
1427                "w83637hf",
1428                "w83687thf",
1429        };
1430
1431        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1432        if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1433                dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1434                        (unsigned long)res->start,
1435                        (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1436                return -EBUSY;
1437        }
1438
1439        data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1440        if (!data)
1441                return -ENOMEM;
1442
1443        data->addr = res->start;
1444        data->type = sio_data->type;
1445        data->name = names[sio_data->type];
1446        mutex_init(&data->lock);
1447        mutex_init(&data->update_lock);
1448        platform_set_drvdata(pdev, data);
1449
1450        /* Initialize the chip */
1451        w83627hf_init_device(pdev);
1452
1453        /* A few vars need to be filled upon startup */
1454        for (i = 0; i <= 2; i++)
1455                data->fan_min[i] = w83627hf_read_value(
1456                                        data, W83627HF_REG_FAN_MIN(i));
1457        w83627hf_update_fan_div(data);
1458
1459        /* Register common device attributes */
1460        err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1461        if (err)
1462                return err;
1463
1464        /* Register chip-specific device attributes */
1465        if (data->type == w83627hf || data->type == w83697hf)
1466                if ((err = device_create_file(dev,
1467                                &sensor_dev_attr_in5_input.dev_attr))
1468                 || (err = device_create_file(dev,
1469                                &sensor_dev_attr_in5_min.dev_attr))
1470                 || (err = device_create_file(dev,
1471                                &sensor_dev_attr_in5_max.dev_attr))
1472                 || (err = device_create_file(dev,
1473                                &sensor_dev_attr_in5_alarm.dev_attr))
1474                 || (err = device_create_file(dev,
1475                                &sensor_dev_attr_in5_beep.dev_attr))
1476                 || (err = device_create_file(dev,
1477                                &sensor_dev_attr_in6_input.dev_attr))
1478                 || (err = device_create_file(dev,
1479                                &sensor_dev_attr_in6_min.dev_attr))
1480                 || (err = device_create_file(dev,
1481                                &sensor_dev_attr_in6_max.dev_attr))
1482                 || (err = device_create_file(dev,
1483                                &sensor_dev_attr_in6_alarm.dev_attr))
1484                 || (err = device_create_file(dev,
1485                                &sensor_dev_attr_in6_beep.dev_attr))
1486                 || (err = device_create_file(dev,
1487                                &sensor_dev_attr_pwm1_freq.dev_attr))
1488                 || (err = device_create_file(dev,
1489                                &sensor_dev_attr_pwm2_freq.dev_attr)))
1490                        goto error;
1491
1492        if (data->type != w83697hf)
1493                if ((err = device_create_file(dev,
1494                                &sensor_dev_attr_in1_input.dev_attr))
1495                 || (err = device_create_file(dev,
1496                                &sensor_dev_attr_in1_min.dev_attr))
1497                 || (err = device_create_file(dev,
1498                                &sensor_dev_attr_in1_max.dev_attr))
1499                 || (err = device_create_file(dev,
1500                                &sensor_dev_attr_in1_alarm.dev_attr))
1501                 || (err = device_create_file(dev,
1502                                &sensor_dev_attr_in1_beep.dev_attr))
1503                 || (err = device_create_file(dev,
1504                                &sensor_dev_attr_fan3_input.dev_attr))
1505                 || (err = device_create_file(dev,
1506                                &sensor_dev_attr_fan3_min.dev_attr))
1507                 || (err = device_create_file(dev,
1508                                &sensor_dev_attr_fan3_div.dev_attr))
1509                 || (err = device_create_file(dev,
1510                                &sensor_dev_attr_fan3_alarm.dev_attr))
1511                 || (err = device_create_file(dev,
1512                                &sensor_dev_attr_fan3_beep.dev_attr))
1513                 || (err = device_create_file(dev,
1514                                &sensor_dev_attr_temp3_input.dev_attr))
1515                 || (err = device_create_file(dev,
1516                                &sensor_dev_attr_temp3_max.dev_attr))
1517                 || (err = device_create_file(dev,
1518                                &sensor_dev_attr_temp3_max_hyst.dev_attr))
1519                 || (err = device_create_file(dev,
1520                                &sensor_dev_attr_temp3_alarm.dev_attr))
1521                 || (err = device_create_file(dev,
1522                                &sensor_dev_attr_temp3_beep.dev_attr))
1523                 || (err = device_create_file(dev,
1524                                &sensor_dev_attr_temp3_type.dev_attr)))
1525                        goto error;
1526
1527        if (data->type != w83697hf && data->vid != 0xff) {
1528                /* Convert VID to voltage based on VRM */
1529                data->vrm = vid_which_vrm();
1530
1531                if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1532                 || (err = device_create_file(dev, &dev_attr_vrm)))
1533                        goto error;
1534        }
1535
1536        if (data->type == w83627thf || data->type == w83637hf
1537            || data->type == w83687thf) {
1538                err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1539                if (err)
1540                        goto error;
1541        }
1542
1543        if (data->type == w83637hf || data->type == w83687thf)
1544                if ((err = device_create_file(dev,
1545                                &sensor_dev_attr_pwm1_freq.dev_attr))
1546                 || (err = device_create_file(dev,
1547                                &sensor_dev_attr_pwm2_freq.dev_attr))
1548                 || (err = device_create_file(dev,
1549                                &sensor_dev_attr_pwm3_freq.dev_attr)))
1550                        goto error;
1551
1552        if (data->type != w83627hf)
1553                if ((err = device_create_file(dev,
1554                                &sensor_dev_attr_pwm1_enable.dev_attr))
1555                 || (err = device_create_file(dev,
1556                                &sensor_dev_attr_pwm2_enable.dev_attr)))
1557                        goto error;
1558
1559        if (data->type == w83627thf || data->type == w83637hf
1560            || data->type == w83687thf) {
1561                err = device_create_file(dev,
1562                                         &sensor_dev_attr_pwm3_enable.dev_attr);
1563                if (err)
1564                        goto error;
1565        }
1566
1567        data->hwmon_dev = hwmon_device_register(dev);
1568        if (IS_ERR(data->hwmon_dev)) {
1569                err = PTR_ERR(data->hwmon_dev);
1570                goto error;
1571        }
1572
1573        return 0;
1574
1575 error:
1576        sysfs_remove_group(&dev->kobj, &w83627hf_group);
1577        sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1578        return err;
1579}
1580
1581static int w83627hf_remove(struct platform_device *pdev)
1582{
1583        struct w83627hf_data *data = platform_get_drvdata(pdev);
1584
1585        hwmon_device_unregister(data->hwmon_dev);
1586
1587        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1588        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1589
1590        return 0;
1591}
1592
1593
1594/* Registers 0x50-0x5f are banked */
1595static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1596{
1597        if ((reg & 0x00f0) == 0x50) {
1598                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1599                outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1600        }
1601}
1602
1603/* Not strictly necessary, but play it safe for now */
1604static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1605{
1606        if (reg & 0xff00) {
1607                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1608                outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1609        }
1610}
1611
1612static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1613{
1614        int res, word_sized;
1615
1616        mutex_lock(&data->lock);
1617        word_sized = (((reg & 0xff00) == 0x100)
1618                   || ((reg & 0xff00) == 0x200))
1619                  && (((reg & 0x00ff) == 0x50)
1620                   || ((reg & 0x00ff) == 0x53)
1621                   || ((reg & 0x00ff) == 0x55));
1622        w83627hf_set_bank(data, reg);
1623        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1624        res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1625        if (word_sized) {
1626                outb_p((reg & 0xff) + 1,
1627                       data->addr + W83781D_ADDR_REG_OFFSET);
1628                res =
1629                    (res << 8) + inb_p(data->addr +
1630                                       W83781D_DATA_REG_OFFSET);
1631        }
1632        w83627hf_reset_bank(data, reg);
1633        mutex_unlock(&data->lock);
1634        return res;
1635}
1636
1637static int w83627thf_read_gpio5(struct platform_device *pdev)
1638{
1639        struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1640        int res = 0xff, sel;
1641
1642        superio_enter(sio_data);
1643        superio_select(sio_data, W83627HF_LD_GPIO5);
1644
1645        /* Make sure these GPIO pins are enabled */
1646        if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1647                dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1648                goto exit;
1649        }
1650
1651        /*
1652         * Make sure the pins are configured for input
1653         * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1654         */
1655        sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1656        if ((sel & 0x1f) != 0x1f) {
1657                dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1658                        "function\n");
1659                goto exit;
1660        }
1661
1662        dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1663        res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1664
1665exit:
1666        superio_exit(sio_data);
1667        return res;
1668}
1669
1670static int w83687thf_read_vid(struct platform_device *pdev)
1671{
1672        struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1673        int res = 0xff;
1674
1675        superio_enter(sio_data);
1676        superio_select(sio_data, W83627HF_LD_HWM);
1677
1678        /* Make sure these GPIO pins are enabled */
1679        if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1680                dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1681                goto exit;
1682        }
1683
1684        /* Make sure the pins are configured for input */
1685        if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1686                dev_dbg(&pdev->dev, "VID configured as output, "
1687                        "no VID function\n");
1688                goto exit;
1689        }
1690
1691        res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1692
1693exit:
1694        superio_exit(sio_data);
1695        return res;
1696}
1697
1698static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1699{
1700        int word_sized;
1701
1702        mutex_lock(&data->lock);
1703        word_sized = (((reg & 0xff00) == 0x100)
1704                   || ((reg & 0xff00) == 0x200))
1705                  && (((reg & 0x00ff) == 0x53)
1706                   || ((reg & 0x00ff) == 0x55));
1707        w83627hf_set_bank(data, reg);
1708        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1709        if (word_sized) {
1710                outb_p(value >> 8,
1711                       data->addr + W83781D_DATA_REG_OFFSET);
1712                outb_p((reg & 0xff) + 1,
1713                       data->addr + W83781D_ADDR_REG_OFFSET);
1714        }
1715        outb_p(value & 0xff,
1716               data->addr + W83781D_DATA_REG_OFFSET);
1717        w83627hf_reset_bank(data, reg);
1718        mutex_unlock(&data->lock);
1719        return 0;
1720}
1721
1722static void w83627hf_init_device(struct platform_device *pdev)
1723{
1724        struct w83627hf_data *data = platform_get_drvdata(pdev);
1725        int i;
1726        enum chips type = data->type;
1727        u8 tmp;
1728
1729        /* Minimize conflicts with other winbond i2c-only clients...  */
1730        /* disable i2c subclients... how to disable main i2c client?? */
1731        /* force i2c address to relatively uncommon address */
1732        if (type == w83627hf) {
1733                w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1734                w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1735        }
1736
1737        /* Read VID only once */
1738        if (type == w83627hf || type == w83637hf) {
1739                int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1740                int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1741                data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1742        } else if (type == w83627thf) {
1743                data->vid = w83627thf_read_gpio5(pdev);
1744        } else if (type == w83687thf) {
1745                data->vid = w83687thf_read_vid(pdev);
1746        }
1747
1748        /* Read VRM & OVT Config only once */
1749        if (type == w83627thf || type == w83637hf || type == w83687thf) {
1750                data->vrm_ovt = 
1751                        w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1752        }
1753
1754        tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1755        for (i = 1; i <= 3; i++) {
1756                if (!(tmp & BIT_SCFG1[i - 1])) {
1757                        data->sens[i - 1] = 4;
1758                } else {
1759                        if (w83627hf_read_value
1760                            (data,
1761                             W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1762                                data->sens[i - 1] = 1;
1763                        else
1764                                data->sens[i - 1] = 2;
1765                }
1766                if ((type == w83697hf) && (i == 2))
1767                        break;
1768        }
1769
1770        if(init) {
1771                /* Enable temp2 */
1772                tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1773                if (tmp & 0x01) {
1774                        dev_warn(&pdev->dev, "Enabling temp2, readings "
1775                                 "might not make sense\n");
1776                        w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1777                                tmp & 0xfe);
1778                }
1779
1780                /* Enable temp3 */
1781                if (type != w83697hf) {
1782                        tmp = w83627hf_read_value(data,
1783                                W83627HF_REG_TEMP3_CONFIG);
1784                        if (tmp & 0x01) {
1785                                dev_warn(&pdev->dev, "Enabling temp3, "
1786                                         "readings might not make sense\n");
1787                                w83627hf_write_value(data,
1788                                        W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1789                        }
1790                }
1791        }
1792
1793        /* Start monitoring */
1794        w83627hf_write_value(data, W83781D_REG_CONFIG,
1795                            (w83627hf_read_value(data,
1796                                                W83781D_REG_CONFIG) & 0xf7)
1797                            | 0x01);
1798
1799        /* Enable VBAT monitoring if needed */
1800        tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1801        if (!(tmp & 0x01))
1802                w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1803}
1804
1805static void w83627hf_update_fan_div(struct w83627hf_data *data)
1806{
1807        int reg;
1808
1809        reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1810        data->fan_div[0] = (reg >> 4) & 0x03;
1811        data->fan_div[1] = (reg >> 6) & 0x03;
1812        if (data->type != w83697hf) {
1813                data->fan_div[2] = (w83627hf_read_value(data,
1814                                       W83781D_REG_PIN) >> 6) & 0x03;
1815        }
1816        reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1817        data->fan_div[0] |= (reg >> 3) & 0x04;
1818        data->fan_div[1] |= (reg >> 4) & 0x04;
1819        if (data->type != w83697hf)
1820                data->fan_div[2] |= (reg >> 5) & 0x04;
1821}
1822
1823static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1824{
1825        struct w83627hf_data *data = dev_get_drvdata(dev);
1826        int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1827        int num_pwms = (data->type == w83697hf) ? 2 : 3;
1828
1829        mutex_lock(&data->update_lock);
1830
1831        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1832            || !data->valid) {
1833                for (i = 0; i <= 8; i++) {
1834                        /* skip missing sensors */
1835                        if (((data->type == w83697hf) && (i == 1)) ||
1836                            ((data->type != w83627hf && data->type != w83697hf)
1837                            && (i == 5 || i == 6)))
1838                                continue;
1839                        data->in[i] =
1840                            w83627hf_read_value(data, W83781D_REG_IN(i));
1841                        data->in_min[i] =
1842                            w83627hf_read_value(data,
1843                                               W83781D_REG_IN_MIN(i));
1844                        data->in_max[i] =
1845                            w83627hf_read_value(data,
1846                                               W83781D_REG_IN_MAX(i));
1847                }
1848                for (i = 0; i <= 2; i++) {
1849                        data->fan[i] =
1850                            w83627hf_read_value(data, W83627HF_REG_FAN(i));
1851                        data->fan_min[i] =
1852                            w83627hf_read_value(data,
1853                                               W83627HF_REG_FAN_MIN(i));
1854                }
1855                for (i = 0; i <= 2; i++) {
1856                        u8 tmp = w83627hf_read_value(data,
1857                                W836X7HF_REG_PWM(data->type, i));
1858                        /* bits 0-3 are reserved  in 627THF */
1859                        if (data->type == w83627thf)
1860                                tmp &= 0xf0;
1861                        data->pwm[i] = tmp;
1862                        if (i == 1 &&
1863                            (data->type == w83627hf || data->type == w83697hf))
1864                                break;
1865                }
1866                if (data->type == w83627hf) {
1867                                u8 tmp = w83627hf_read_value(data,
1868                                                W83627HF_REG_PWM_FREQ);
1869                                data->pwm_freq[0] = tmp & 0x07;
1870                                data->pwm_freq[1] = (tmp >> 4) & 0x07;
1871                } else if (data->type != w83627thf) {
1872                        for (i = 1; i <= 3; i++) {
1873                                data->pwm_freq[i - 1] =
1874                                        w83627hf_read_value(data,
1875                                                W83637HF_REG_PWM_FREQ[i - 1]);
1876                                if (i == 2 && (data->type == w83697hf))
1877                                        break;
1878                        }
1879                }
1880                if (data->type != w83627hf) {
1881                        for (i = 0; i < num_pwms; i++) {
1882                                u8 tmp = w83627hf_read_value(data,
1883                                        W83627THF_REG_PWM_ENABLE[i]);
1884                                data->pwm_enable[i] =
1885                                        ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1886                                        & 0x03) + 1;
1887                        }
1888                }
1889                for (i = 0; i < num_temps; i++) {
1890                        data->temp[i] = w83627hf_read_value(
1891                                                data, w83627hf_reg_temp[i]);
1892                        data->temp_max[i] = w83627hf_read_value(
1893                                                data, w83627hf_reg_temp_over[i]);
1894                        data->temp_max_hyst[i] = w83627hf_read_value(
1895                                                data, w83627hf_reg_temp_hyst[i]);
1896                }
1897
1898                w83627hf_update_fan_div(data);
1899
1900                data->alarms =
1901                    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1902                    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1903                    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1904                i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1905                data->beep_mask = (i << 8) |
1906                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1907                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1908                data->last_updated = jiffies;
1909                data->valid = 1;
1910        }
1911
1912        mutex_unlock(&data->update_lock);
1913
1914        return data;
1915}
1916
1917static int __init w83627hf_device_add(unsigned short address,
1918                                      const struct w83627hf_sio_data *sio_data)
1919{
1920        struct resource res = {
1921                .start  = address + WINB_REGION_OFFSET,
1922                .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1923                .name   = DRVNAME,
1924                .flags  = IORESOURCE_IO,
1925        };
1926        int err;
1927
1928        err = acpi_check_resource_conflict(&res);
1929        if (err)
1930                goto exit;
1931
1932        pdev = platform_device_alloc(DRVNAME, address);
1933        if (!pdev) {
1934                err = -ENOMEM;
1935                pr_err("Device allocation failed\n");
1936                goto exit;
1937        }
1938
1939        err = platform_device_add_resources(pdev, &res, 1);
1940        if (err) {
1941                pr_err("Device resource addition failed (%d)\n", err);
1942                goto exit_device_put;
1943        }
1944
1945        err = platform_device_add_data(pdev, sio_data,
1946                                       sizeof(struct w83627hf_sio_data));
1947        if (err) {
1948                pr_err("Platform data allocation failed\n");
1949                goto exit_device_put;
1950        }
1951
1952        err = platform_device_add(pdev);
1953        if (err) {
1954                pr_err("Device addition failed (%d)\n", err);
1955                goto exit_device_put;
1956        }
1957
1958        return 0;
1959
1960exit_device_put:
1961        platform_device_put(pdev);
1962exit:
1963        return err;
1964}
1965
1966static int __init sensors_w83627hf_init(void)
1967{
1968        int err;
1969        unsigned short address;
1970        struct w83627hf_sio_data sio_data;
1971
1972        if (w83627hf_find(0x2e, &address, &sio_data)
1973         && w83627hf_find(0x4e, &address, &sio_data))
1974                return -ENODEV;
1975
1976        err = platform_driver_register(&w83627hf_driver);
1977        if (err)
1978                goto exit;
1979
1980        /* Sets global pdev as a side effect */
1981        err = w83627hf_device_add(address, &sio_data);
1982        if (err)
1983                goto exit_driver;
1984
1985        return 0;
1986
1987exit_driver:
1988        platform_driver_unregister(&w83627hf_driver);
1989exit:
1990        return err;
1991}
1992
1993static void __exit sensors_w83627hf_exit(void)
1994{
1995        platform_device_unregister(pdev);
1996        platform_driver_unregister(&w83627hf_driver);
1997}
1998
1999MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2000              "Philip Edelbrock <phil@netroedge.com>, "
2001              "and Mark Studebaker <mdsxyz123@yahoo.com>");
2002MODULE_DESCRIPTION("W83627HF driver");
2003MODULE_LICENSE("GPL");
2004
2005module_init(sensors_w83627hf_init);
2006module_exit(sensors_w83627hf_exit);
2007
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.