linux/drivers/hwmon/w83627hf.c
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   1/*
   2    w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3                monitoring
   4    Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5    Philip Edelbrock <phil@netroedge.com>,
   6    and Mark Studebaker <mdsxyz123@yahoo.com>
   7    Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8    Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23*/
  24
  25/*
  26    Supports following chips:
  27
  28    Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29    w83627hf    9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30    w83627thf   7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31    w83637hf    7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32    w83687thf   7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33    w83697hf    8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34
  35    For other winbond chips, and for i2c support in the above chips,
  36    use w83781d.c.
  37
  38    Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39    supported yet.
  40*/
  41
  42#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44#include <linux/module.h>
  45#include <linux/init.h>
  46#include <linux/slab.h>
  47#include <linux/jiffies.h>
  48#include <linux/platform_device.h>
  49#include <linux/hwmon.h>
  50#include <linux/hwmon-sysfs.h>
  51#include <linux/hwmon-vid.h>
  52#include <linux/err.h>
  53#include <linux/mutex.h>
  54#include <linux/ioport.h>
  55#include <linux/acpi.h>
  56#include <linux/io.h>
  57#include "lm75.h"
  58
  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/* Conversions. Limit checking is only done on the TO_REG
 252   variants. Note that you should be a bit careful with which arguments
 253   these macros are called: arguments may be evaluated more than once.
 254   Fixing this is just not worth it. */
 255#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 256#define IN_FROM_REG(val) ((val) * 16)
 257
 258static inline u8 FAN_TO_REG(long rpm, int div)
 259{
 260        if (rpm == 0)
 261                return 255;
 262        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 263        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 264                             254);
 265}
 266
 267#define TEMP_MIN (-128000)
 268#define TEMP_MAX ( 127000)
 269
 270/* TEMP: 0.001C/bit (-128C to +127C)
 271   REG: 1C/bit, two's complement */
 272static u8 TEMP_TO_REG(long temp)
 273{
 274        int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 275        ntemp += (ntemp<0 ? -500 : 500);
 276        return (u8)(ntemp / 1000);
 277}
 278
 279static int TEMP_FROM_REG(u8 reg)
 280{
 281        return (s8)reg * 1000;
 282}
 283
 284#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 285
 286#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 287
 288static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 289{
 290        unsigned long freq;
 291        freq = W83627HF_BASE_PWM_FREQ >> reg;
 292        return freq;
 293}
 294static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 295{
 296        u8 i;
 297        /* Only 5 dividers (1 2 4 8 16)
 298           Search for the nearest available frequency */
 299        for (i = 0; i < 4; i++) {
 300                if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 301                            (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 302                        break;
 303        }
 304        return i;
 305}
 306
 307static inline unsigned long pwm_freq_from_reg(u8 reg)
 308{
 309        /* Clock bit 8 -> 180 kHz or 24 MHz */
 310        unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 311
 312        reg &= 0x7f;
 313        /* This should not happen but anyway... */
 314        if (reg == 0)
 315                reg++;
 316        return (clock / (reg << 8));
 317}
 318static inline u8 pwm_freq_to_reg(unsigned long val)
 319{
 320        /* Minimum divider value is 0x01 and maximum is 0x7F */
 321        if (val >= 93750)       /* The highest we can do */
 322                return 0x01;
 323        if (val >= 720) /* Use 24 MHz clock */
 324                return (24000000UL / (val << 8));
 325        if (val < 6)            /* The lowest we can do */
 326                return 0xFF;
 327        else                    /* Use 180 kHz clock */
 328                return (0x80 | (180000UL / (val << 8)));
 329}
 330
 331#define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 332#define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 333
 334#define DIV_FROM_REG(val) (1 << (val))
 335
 336static inline u8 DIV_TO_REG(long val)
 337{
 338        int i;
 339        val = SENSORS_LIMIT(val, 1, 128) >> 1;
 340        for (i = 0; i < 7; i++) {
 341                if (val == 0)
 342                        break;
 343                val >>= 1;
 344        }
 345        return ((u8) i);
 346}
 347
 348/* For each registered chip, we need to keep some data in memory.
 349   The structure is dynamically allocated. */
 350struct w83627hf_data {
 351        unsigned short addr;
 352        const char *name;
 353        struct device *hwmon_dev;
 354        struct mutex lock;
 355        enum chips type;
 356
 357        struct mutex update_lock;
 358        char valid;             /* !=0 if following fields are valid */
 359        unsigned long last_updated;     /* In jiffies */
 360
 361        u8 in[9];               /* Register value */
 362        u8 in_max[9];           /* Register value */
 363        u8 in_min[9];           /* Register value */
 364        u8 fan[3];              /* Register value */
 365        u8 fan_min[3];          /* Register value */
 366        u16 temp[3];            /* Register value */
 367        u16 temp_max[3];        /* Register value */
 368        u16 temp_max_hyst[3];   /* Register value */
 369        u8 fan_div[3];          /* Register encoding, shifted right */
 370        u8 vid;                 /* Register encoding, combined */
 371        u32 alarms;             /* Register encoding, combined */
 372        u32 beep_mask;          /* Register encoding, combined */
 373        u8 pwm[3];              /* Register value */
 374        u8 pwm_enable[3];       /* 1 = manual
 375                                   2 = thermal cruise (also called SmartFan I)
 376                                   3 = fan speed cruise */
 377        u8 pwm_freq[3];         /* Register value */
 378        u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 379                                   4 = thermistor */
 380        u8 vrm;
 381        u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 382};
 383
 384
 385static int w83627hf_probe(struct platform_device *pdev);
 386static int __devexit w83627hf_remove(struct platform_device *pdev);
 387
 388static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 389static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 390static void w83627hf_update_fan_div(struct w83627hf_data *data);
 391static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 392static void w83627hf_init_device(struct platform_device *pdev);
 393
 394static struct platform_driver w83627hf_driver = {
 395        .driver = {
 396                .owner  = THIS_MODULE,
 397                .name   = DRVNAME,
 398        },
 399        .probe          = w83627hf_probe,
 400        .remove         = __devexit_p(w83627hf_remove),
 401};
 402
 403static ssize_t
 404show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 405{
 406        int nr = to_sensor_dev_attr(devattr)->index;
 407        struct w83627hf_data *data = w83627hf_update_device(dev);
 408        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 409}
 410static ssize_t
 411show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 412{
 413        int nr = to_sensor_dev_attr(devattr)->index;
 414        struct w83627hf_data *data = w83627hf_update_device(dev);
 415        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 416}
 417static ssize_t
 418show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 419{
 420        int nr = to_sensor_dev_attr(devattr)->index;
 421        struct w83627hf_data *data = w83627hf_update_device(dev);
 422        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 423}
 424static ssize_t
 425store_in_min(struct device *dev, struct device_attribute *devattr,
 426             const char *buf, size_t count)
 427{
 428        int nr = to_sensor_dev_attr(devattr)->index;
 429        struct w83627hf_data *data = dev_get_drvdata(dev);
 430        long val = simple_strtol(buf, NULL, 10);
 431
 432        mutex_lock(&data->update_lock);
 433        data->in_min[nr] = IN_TO_REG(val);
 434        w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 435        mutex_unlock(&data->update_lock);
 436        return count;
 437}
 438static ssize_t
 439store_in_max(struct device *dev, struct device_attribute *devattr,
 440             const char *buf, size_t count)
 441{
 442        int nr = to_sensor_dev_attr(devattr)->index;
 443        struct w83627hf_data *data = dev_get_drvdata(dev);
 444        long val = simple_strtol(buf, NULL, 10);
 445
 446        mutex_lock(&data->update_lock);
 447        data->in_max[nr] = IN_TO_REG(val);
 448        w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 449        mutex_unlock(&data->update_lock);
 450        return count;
 451}
 452#define sysfs_vin_decl(offset) \
 453static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 454                          show_in_input, NULL, offset);         \
 455static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 456                          show_in_min, store_in_min, offset);   \
 457static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 458                          show_in_max, store_in_max, offset);
 459
 460sysfs_vin_decl(1);
 461sysfs_vin_decl(2);
 462sysfs_vin_decl(3);
 463sysfs_vin_decl(4);
 464sysfs_vin_decl(5);
 465sysfs_vin_decl(6);
 466sysfs_vin_decl(7);
 467sysfs_vin_decl(8);
 468
 469/* use a different set of functions for in0 */
 470static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 471{
 472        long in0;
 473
 474        if ((data->vrm_ovt & 0x01) &&
 475                (w83627thf == data->type || w83637hf == data->type
 476                 || w83687thf == data->type))
 477
 478                /* use VRM9 calculation */
 479                in0 = (long)((reg * 488 + 70000 + 50) / 100);
 480        else
 481                /* use VRM8 (standard) calculation */
 482                in0 = (long)IN_FROM_REG(reg);
 483
 484        return sprintf(buf,"%ld\n", in0);
 485}
 486
 487static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 488{
 489        struct w83627hf_data *data = w83627hf_update_device(dev);
 490        return show_in_0(data, buf, data->in[0]);
 491}
 492
 493static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 494{
 495        struct w83627hf_data *data = w83627hf_update_device(dev);
 496        return show_in_0(data, buf, data->in_min[0]);
 497}
 498
 499static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 500{
 501        struct w83627hf_data *data = w83627hf_update_device(dev);
 502        return show_in_0(data, buf, data->in_max[0]);
 503}
 504
 505static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 506        const char *buf, size_t count)
 507{
 508        struct w83627hf_data *data = dev_get_drvdata(dev);
 509        u32 val;
 510
 511        val = simple_strtoul(buf, NULL, 10);
 512
 513        mutex_lock(&data->update_lock);
 514        
 515        if ((data->vrm_ovt & 0x01) &&
 516                (w83627thf == data->type || w83637hf == data->type
 517                 || w83687thf == data->type))
 518
 519                /* use VRM9 calculation */
 520                data->in_min[0] =
 521                        SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 522                                        255);
 523        else
 524                /* use VRM8 (standard) calculation */
 525                data->in_min[0] = IN_TO_REG(val);
 526
 527        w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 528        mutex_unlock(&data->update_lock);
 529        return count;
 530}
 531
 532static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 533        const char *buf, size_t count)
 534{
 535        struct w83627hf_data *data = dev_get_drvdata(dev);
 536        u32 val;
 537
 538        val = simple_strtoul(buf, NULL, 10);
 539
 540        mutex_lock(&data->update_lock);
 541
 542        if ((data->vrm_ovt & 0x01) &&
 543                (w83627thf == data->type || w83637hf == data->type
 544                 || w83687thf == data->type))
 545                
 546                /* use VRM9 calculation */
 547                data->in_max[0] =
 548                        SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 549                                        255);
 550        else
 551                /* use VRM8 (standard) calculation */
 552                data->in_max[0] = IN_TO_REG(val);
 553
 554        w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 555        mutex_unlock(&data->update_lock);
 556        return count;
 557}
 558
 559static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 560static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 561        show_regs_in_min0, store_regs_in_min0);
 562static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 563        show_regs_in_max0, store_regs_in_max0);
 564
 565static ssize_t
 566show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 567{
 568        int nr = to_sensor_dev_attr(devattr)->index;
 569        struct w83627hf_data *data = w83627hf_update_device(dev);
 570        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 571                                (long)DIV_FROM_REG(data->fan_div[nr])));
 572}
 573static ssize_t
 574show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 575{
 576        int nr = to_sensor_dev_attr(devattr)->index;
 577        struct w83627hf_data *data = w83627hf_update_device(dev);
 578        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 579                                (long)DIV_FROM_REG(data->fan_div[nr])));
 580}
 581static ssize_t
 582store_fan_min(struct device *dev, struct device_attribute *devattr,
 583              const char *buf, size_t count)
 584{
 585        int nr = to_sensor_dev_attr(devattr)->index;
 586        struct w83627hf_data *data = dev_get_drvdata(dev);
 587        u32 val = simple_strtoul(buf, NULL, 10);
 588
 589        mutex_lock(&data->update_lock);
 590        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 591        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 592                             data->fan_min[nr]);
 593
 594        mutex_unlock(&data->update_lock);
 595        return count;
 596}
 597#define sysfs_fan_decl(offset)  \
 598static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 599                          show_fan_input, NULL, offset - 1);            \
 600static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 601                          show_fan_min, store_fan_min, offset - 1);
 602
 603sysfs_fan_decl(1);
 604sysfs_fan_decl(2);
 605sysfs_fan_decl(3);
 606
 607static ssize_t
 608show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 609{
 610        int nr = to_sensor_dev_attr(devattr)->index;
 611        struct w83627hf_data *data = w83627hf_update_device(dev);
 612
 613        u16 tmp = data->temp[nr];
 614        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 615                                          : (long) TEMP_FROM_REG(tmp));
 616}
 617
 618static ssize_t
 619show_temp_max(struct device *dev, struct device_attribute *devattr,
 620              char *buf)
 621{
 622        int nr = to_sensor_dev_attr(devattr)->index;
 623        struct w83627hf_data *data = w83627hf_update_device(dev);
 624
 625        u16 tmp = data->temp_max[nr];
 626        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 627                                          : (long) TEMP_FROM_REG(tmp));
 628}
 629
 630static ssize_t
 631show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 632                   char *buf)
 633{
 634        int nr = to_sensor_dev_attr(devattr)->index;
 635        struct w83627hf_data *data = w83627hf_update_device(dev);
 636
 637        u16 tmp = data->temp_max_hyst[nr];
 638        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 639                                          : (long) TEMP_FROM_REG(tmp));
 640}
 641
 642static ssize_t
 643store_temp_max(struct device *dev, struct device_attribute *devattr,
 644               const char *buf, size_t count)
 645{
 646        int nr = to_sensor_dev_attr(devattr)->index;
 647        struct w83627hf_data *data = dev_get_drvdata(dev);
 648        long val = simple_strtol(buf, NULL, 10);
 649        u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 650
 651        mutex_lock(&data->update_lock);
 652        data->temp_max[nr] = tmp;
 653        w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 654        mutex_unlock(&data->update_lock);
 655        return count;
 656}
 657
 658static ssize_t
 659store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 660                    const char *buf, size_t count)
 661{
 662        int nr = to_sensor_dev_attr(devattr)->index;
 663        struct w83627hf_data *data = dev_get_drvdata(dev);
 664        long val = simple_strtol(buf, NULL, 10);
 665        u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 666
 667        mutex_lock(&data->update_lock);
 668        data->temp_max_hyst[nr] = tmp;
 669        w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 670        mutex_unlock(&data->update_lock);
 671        return count;
 672}
 673
 674#define sysfs_temp_decl(offset) \
 675static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 676                          show_temp, NULL, offset - 1);                 \
 677static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 678                          show_temp_max, store_temp_max, offset - 1);   \
 679static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 680                          show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 681
 682sysfs_temp_decl(1);
 683sysfs_temp_decl(2);
 684sysfs_temp_decl(3);
 685
 686static ssize_t
 687show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 688{
 689        struct w83627hf_data *data = w83627hf_update_device(dev);
 690        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 691}
 692static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 693
 694static ssize_t
 695show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 696{
 697        struct w83627hf_data *data = dev_get_drvdata(dev);
 698        return sprintf(buf, "%ld\n", (long) data->vrm);
 699}
 700static ssize_t
 701store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 702{
 703        struct w83627hf_data *data = dev_get_drvdata(dev);
 704        u32 val;
 705
 706        val = simple_strtoul(buf, NULL, 10);
 707        data->vrm = val;
 708
 709        return count;
 710}
 711static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 712
 713static ssize_t
 714show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 715{
 716        struct w83627hf_data *data = w83627hf_update_device(dev);
 717        return sprintf(buf, "%ld\n", (long) data->alarms);
 718}
 719static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 720
 721static ssize_t
 722show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 723{
 724        struct w83627hf_data *data = w83627hf_update_device(dev);
 725        int bitnr = to_sensor_dev_attr(attr)->index;
 726        return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 727}
 728static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 729static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 730static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 731static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 732static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 733static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 734static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 735static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 736static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 737static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 738static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 739static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 740static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 741static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 742static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 743
 744static ssize_t
 745show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 746{
 747        struct w83627hf_data *data = w83627hf_update_device(dev);
 748        return sprintf(buf, "%ld\n",
 749                      (long)BEEP_MASK_FROM_REG(data->beep_mask));
 750}
 751
 752static ssize_t
 753store_beep_mask(struct device *dev, struct device_attribute *attr,
 754                const char *buf, size_t count)
 755{
 756        struct w83627hf_data *data = dev_get_drvdata(dev);
 757        unsigned long val;
 758
 759        val = simple_strtoul(buf, NULL, 10);
 760
 761        mutex_lock(&data->update_lock);
 762
 763        /* preserve beep enable */
 764        data->beep_mask = (data->beep_mask & 0x8000)
 765                        | BEEP_MASK_TO_REG(val);
 766        w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 767                            data->beep_mask & 0xff);
 768        w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 769                            ((data->beep_mask) >> 16) & 0xff);
 770        w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 771                            (data->beep_mask >> 8) & 0xff);
 772
 773        mutex_unlock(&data->update_lock);
 774        return count;
 775}
 776
 777static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 778                   show_beep_mask, store_beep_mask);
 779
 780static ssize_t
 781show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 782{
 783        struct w83627hf_data *data = w83627hf_update_device(dev);
 784        int bitnr = to_sensor_dev_attr(attr)->index;
 785        return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 786}
 787
 788static ssize_t
 789store_beep(struct device *dev, struct device_attribute *attr,
 790                const char *buf, size_t count)
 791{
 792        struct w83627hf_data *data = dev_get_drvdata(dev);
 793        int bitnr = to_sensor_dev_attr(attr)->index;
 794        unsigned long bit;
 795        u8 reg;
 796
 797        bit = simple_strtoul(buf, NULL, 10);
 798        if (bit & ~1)
 799                return -EINVAL;
 800
 801        mutex_lock(&data->update_lock);
 802        if (bit)
 803                data->beep_mask |= (1 << bitnr);
 804        else
 805                data->beep_mask &= ~(1 << bitnr);
 806
 807        if (bitnr < 8) {
 808                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 809                if (bit)
 810                        reg |= (1 << bitnr);
 811                else
 812                        reg &= ~(1 << bitnr);
 813                w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 814        } else if (bitnr < 16) {
 815                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 816                if (bit)
 817                        reg |= (1 << (bitnr - 8));
 818                else
 819                        reg &= ~(1 << (bitnr - 8));
 820                w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 821        } else {
 822                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 823                if (bit)
 824                        reg |= (1 << (bitnr - 16));
 825                else
 826                        reg &= ~(1 << (bitnr - 16));
 827                w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 828        }
 829        mutex_unlock(&data->update_lock);
 830
 831        return count;
 832}
 833
 834static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 835                        show_beep, store_beep, 0);
 836static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 837                        show_beep, store_beep, 1);
 838static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 839                        show_beep, store_beep, 2);
 840static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 841                        show_beep, store_beep, 3);
 842static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 843                        show_beep, store_beep, 8);
 844static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 845                        show_beep, store_beep, 9);
 846static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 847                        show_beep, store_beep, 10);
 848static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 849                        show_beep, store_beep, 16);
 850static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 851                        show_beep, store_beep, 17);
 852static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 853                        show_beep, store_beep, 6);
 854static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 855                        show_beep, store_beep, 7);
 856static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 857                        show_beep, store_beep, 11);
 858static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 859                        show_beep, store_beep, 4);
 860static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 861                        show_beep, store_beep, 5);
 862static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 863                        show_beep, store_beep, 13);
 864static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 865                        show_beep, store_beep, 15);
 866
 867static ssize_t
 868show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 869{
 870        int nr = to_sensor_dev_attr(devattr)->index;
 871        struct w83627hf_data *data = w83627hf_update_device(dev);
 872        return sprintf(buf, "%ld\n",
 873                       (long) DIV_FROM_REG(data->fan_div[nr]));
 874}
 875/* Note: we save and restore the fan minimum here, because its value is
 876   determined in part by the fan divisor.  This follows the principle of
 877   least surprise; the user doesn't expect the fan minimum to change just
 878   because the divisor changed. */
 879static ssize_t
 880store_fan_div(struct device *dev, struct device_attribute *devattr,
 881              const char *buf, size_t count)
 882{
 883        int nr = to_sensor_dev_attr(devattr)->index;
 884        struct w83627hf_data *data = dev_get_drvdata(dev);
 885        unsigned long min;
 886        u8 reg;
 887        unsigned long val = simple_strtoul(buf, NULL, 10);
 888
 889        mutex_lock(&data->update_lock);
 890
 891        /* Save fan_min */
 892        min = FAN_FROM_REG(data->fan_min[nr],
 893                           DIV_FROM_REG(data->fan_div[nr]));
 894
 895        data->fan_div[nr] = DIV_TO_REG(val);
 896
 897        reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 898               & (nr==0 ? 0xcf : 0x3f))
 899            | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 900        w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 901
 902        reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 903               & ~(1 << (5 + nr)))
 904            | ((data->fan_div[nr] & 0x04) << (3 + nr));
 905        w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 906
 907        /* Restore fan_min */
 908        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 909        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 910
 911        mutex_unlock(&data->update_lock);
 912        return count;
 913}
 914
 915static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 916                          show_fan_div, store_fan_div, 0);
 917static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 918                          show_fan_div, store_fan_div, 1);
 919static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 920                          show_fan_div, store_fan_div, 2);
 921
 922static ssize_t
 923show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 924{
 925        int nr = to_sensor_dev_attr(devattr)->index;
 926        struct w83627hf_data *data = w83627hf_update_device(dev);
 927        return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 928}
 929
 930static ssize_t
 931store_pwm(struct device *dev, struct device_attribute *devattr,
 932          const char *buf, size_t count)
 933{
 934        int nr = to_sensor_dev_attr(devattr)->index;
 935        struct w83627hf_data *data = dev_get_drvdata(dev);
 936        u32 val = simple_strtoul(buf, NULL, 10);
 937
 938        mutex_lock(&data->update_lock);
 939
 940        if (data->type == w83627thf) {
 941                /* bits 0-3 are reserved  in 627THF */
 942                data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 943                w83627hf_write_value(data,
 944                                     W836X7HF_REG_PWM(data->type, nr),
 945                                     data->pwm[nr] |
 946                                     (w83627hf_read_value(data,
 947                                     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 948        } else {
 949                data->pwm[nr] = PWM_TO_REG(val);
 950                w83627hf_write_value(data,
 951                                     W836X7HF_REG_PWM(data->type, nr),
 952                                     data->pwm[nr]);
 953        }
 954
 955        mutex_unlock(&data->update_lock);
 956        return count;
 957}
 958
 959static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 960static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 961static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 962
 963static ssize_t
 964show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 965{
 966        int nr = to_sensor_dev_attr(devattr)->index;
 967        struct w83627hf_data *data = w83627hf_update_device(dev);
 968        return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 969}
 970
 971static ssize_t
 972store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 973          const char *buf, size_t count)
 974{
 975        int nr = to_sensor_dev_attr(devattr)->index;
 976        struct w83627hf_data *data = dev_get_drvdata(dev);
 977        unsigned long val = simple_strtoul(buf, NULL, 10);
 978        u8 reg;
 979
 980        if (!val || (val > 3))  /* modes 1, 2 and 3 are supported */
 981                return -EINVAL;
 982        mutex_lock(&data->update_lock);
 983        data->pwm_enable[nr] = val;
 984        reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 985        reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 986        reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 987        w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 988        mutex_unlock(&data->update_lock);
 989        return count;
 990}
 991
 992static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 993                                                  store_pwm_enable, 0);
 994static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 995                                                  store_pwm_enable, 1);
 996static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 997                                                  store_pwm_enable, 2);
 998
 999static ssize_t
1000show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1001{
1002        int nr = to_sensor_dev_attr(devattr)->index;
1003        struct w83627hf_data *data = w83627hf_update_device(dev);
1004        if (data->type == w83627hf)
1005                return sprintf(buf, "%ld\n",
1006                        pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1007        else
1008                return sprintf(buf, "%ld\n",
1009                        pwm_freq_from_reg(data->pwm_freq[nr]));
1010}
1011
1012static ssize_t
1013store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1014               const char *buf, size_t count)
1015{
1016        int nr = to_sensor_dev_attr(devattr)->index;
1017        struct w83627hf_data *data = dev_get_drvdata(dev);
1018        static const u8 mask[]={0xF8, 0x8F};
1019        u32 val;
1020
1021        val = simple_strtoul(buf, NULL, 10);
1022
1023        mutex_lock(&data->update_lock);
1024
1025        if (data->type == w83627hf) {
1026                data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1027                w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1028                                (data->pwm_freq[nr] << (nr*4)) |
1029                                (w83627hf_read_value(data,
1030                                W83627HF_REG_PWM_FREQ) & mask[nr]));
1031        } else {
1032                data->pwm_freq[nr] = pwm_freq_to_reg(val);
1033                w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1034                                data->pwm_freq[nr]);
1035        }
1036
1037        mutex_unlock(&data->update_lock);
1038        return count;
1039}
1040
1041static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1042                          show_pwm_freq, store_pwm_freq, 0);
1043static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1044                          show_pwm_freq, store_pwm_freq, 1);
1045static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1046                          show_pwm_freq, store_pwm_freq, 2);
1047
1048static ssize_t
1049show_temp_type(struct device *dev, struct device_attribute *devattr,
1050               char *buf)
1051{
1052        int nr = to_sensor_dev_attr(devattr)->index;
1053        struct w83627hf_data *data = w83627hf_update_device(dev);
1054        return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1055}
1056
1057static ssize_t
1058store_temp_type(struct device *dev, struct device_attribute *devattr,
1059                const char *buf, size_t count)
1060{
1061        int nr = to_sensor_dev_attr(devattr)->index;
1062        struct w83627hf_data *data = dev_get_drvdata(dev);
1063        u32 val, tmp;
1064
1065        val = simple_strtoul(buf, NULL, 10);
1066
1067        mutex_lock(&data->update_lock);
1068
1069        switch (val) {
1070        case 1:         /* PII/Celeron diode */
1071                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1072                w83627hf_write_value(data, W83781D_REG_SCFG1,
1073                                    tmp | BIT_SCFG1[nr]);
1074                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1075                w83627hf_write_value(data, W83781D_REG_SCFG2,
1076                                    tmp | BIT_SCFG2[nr]);
1077                data->sens[nr] = val;
1078                break;
1079        case 2:         /* 3904 */
1080                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1081                w83627hf_write_value(data, W83781D_REG_SCFG1,
1082                                    tmp | BIT_SCFG1[nr]);
1083                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1084                w83627hf_write_value(data, W83781D_REG_SCFG2,
1085                                    tmp & ~BIT_SCFG2[nr]);
1086                data->sens[nr] = val;
1087                break;
1088        case W83781D_DEFAULT_BETA:
1089                dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1090                         "instead\n", W83781D_DEFAULT_BETA);
1091                /* fall through */
1092        case 4:         /* thermistor */
1093                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1094                w83627hf_write_value(data, W83781D_REG_SCFG1,
1095                                    tmp & ~BIT_SCFG1[nr]);
1096                data->sens[nr] = val;
1097                break;
1098        default:
1099                dev_err(dev,
1100                       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1101                       (long) val);
1102                break;
1103        }
1104
1105        mutex_unlock(&data->update_lock);
1106        return count;
1107}
1108
1109#define sysfs_temp_type(offset) \
1110static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1111                          show_temp_type, store_temp_type, offset - 1);
1112
1113sysfs_temp_type(1);
1114sysfs_temp_type(2);
1115sysfs_temp_type(3);
1116
1117static ssize_t
1118show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1119{
1120        struct w83627hf_data *data = dev_get_drvdata(dev);
1121
1122        return sprintf(buf, "%s\n", data->name);
1123}
1124static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1125
1126static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1127                                struct w83627hf_sio_data *sio_data)
1128{
1129        int err = -ENODEV;
1130        u16 val;
1131
1132        static const __initdata char *names[] = {
1133                "W83627HF",
1134                "W83627THF",
1135                "W83697HF",
1136                "W83637HF",
1137                "W83687THF",
1138        };
1139
1140        sio_data->sioaddr = sioaddr;
1141        superio_enter(sio_data);
1142        val = force_id ? force_id : superio_inb(sio_data, DEVID);
1143        switch (val) {
1144        case W627_DEVID:
1145                sio_data->type = w83627hf;
1146                break;
1147        case W627THF_DEVID:
1148                sio_data->type = w83627thf;
1149                break;
1150        case W697_DEVID:
1151                sio_data->type = w83697hf;
1152                break;
1153        case W637_DEVID:
1154                sio_data->type = w83637hf;
1155                break;
1156        case W687THF_DEVID:
1157                sio_data->type = w83687thf;
1158                break;
1159        case 0xff:      /* No device at all */
1160                goto exit;
1161        default:
1162                pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1163                goto exit;
1164        }
1165
1166        superio_select(sio_data, W83627HF_LD_HWM);
1167        val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1168               superio_inb(sio_data, WINB_BASE_REG + 1);
1169        *addr = val & WINB_ALIGNMENT;
1170        if (*addr == 0) {
1171                pr_warn("Base address not set, skipping\n");
1172                goto exit;
1173        }
1174
1175        val = superio_inb(sio_data, WINB_ACT_REG);
1176        if (!(val & 0x01)) {
1177                pr_warn("Enabling HWM logical device\n");
1178                superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1179        }
1180
1181        err = 0;
1182        pr_info(DRVNAME ": Found %s chip at %#x\n",
1183                names[sio_data->type], *addr);
1184
1185 exit:
1186        superio_exit(sio_data);
1187        return err;
1188}
1189
1190#define VIN_UNIT_ATTRS(_X_)     \
1191        &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1192        &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1193        &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1194        &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1195        &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1196
1197#define FAN_UNIT_ATTRS(_X_)     \
1198        &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1199        &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1200        &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1201        &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1202        &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1203
1204#define TEMP_UNIT_ATTRS(_X_)    \
1205        &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1206        &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1207        &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1208        &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1209        &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1210        &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1211
1212static struct attribute *w83627hf_attributes[] = {
1213        &dev_attr_in0_input.attr,
1214        &dev_attr_in0_min.attr,
1215        &dev_attr_in0_max.attr,
1216        &sensor_dev_attr_in0_alarm.dev_attr.attr,
1217        &sensor_dev_attr_in0_beep.dev_attr.attr,
1218        VIN_UNIT_ATTRS(2),
1219        VIN_UNIT_ATTRS(3),
1220        VIN_UNIT_ATTRS(4),
1221        VIN_UNIT_ATTRS(7),
1222        VIN_UNIT_ATTRS(8),
1223
1224        FAN_UNIT_ATTRS(1),
1225        FAN_UNIT_ATTRS(2),
1226
1227        TEMP_UNIT_ATTRS(1),
1228        TEMP_UNIT_ATTRS(2),
1229
1230        &dev_attr_alarms.attr,
1231        &sensor_dev_attr_beep_enable.dev_attr.attr,
1232        &dev_attr_beep_mask.attr,
1233
1234        &sensor_dev_attr_pwm1.dev_attr.attr,
1235        &sensor_dev_attr_pwm2.dev_attr.attr,
1236        &dev_attr_name.attr,
1237        NULL
1238};
1239
1240static const struct attribute_group w83627hf_group = {
1241        .attrs = w83627hf_attributes,
1242};
1243
1244static struct attribute *w83627hf_attributes_opt[] = {
1245        VIN_UNIT_ATTRS(1),
1246        VIN_UNIT_ATTRS(5),
1247        VIN_UNIT_ATTRS(6),
1248
1249        FAN_UNIT_ATTRS(3),
1250        TEMP_UNIT_ATTRS(3),
1251        &sensor_dev_attr_pwm3.dev_attr.attr,
1252
1253        &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1254        &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1255        &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1256
1257        &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1258        &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1259        &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1260
1261        NULL
1262};
1263
1264static const struct attribute_group w83627hf_group_opt = {
1265        .attrs = w83627hf_attributes_opt,
1266};
1267
1268static int __devinit w83627hf_probe(struct platform_device *pdev)
1269{
1270        struct device *dev = &pdev->dev;
1271        struct w83627hf_sio_data *sio_data = dev->platform_data;
1272        struct w83627hf_data *data;
1273        struct resource *res;
1274        int err, i;
1275
1276        static const char *names[] = {
1277                "w83627hf",
1278                "w83627thf",
1279                "w83697hf",
1280                "w83637hf",
1281                "w83687thf",
1282        };
1283
1284        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1285        if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1286                dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1287                        (unsigned long)res->start,
1288                        (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1289                err = -EBUSY;
1290                goto ERROR0;
1291        }
1292
1293        if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1294                err = -ENOMEM;
1295                goto ERROR1;
1296        }
1297        data->addr = res->start;
1298        data->type = sio_data->type;
1299        data->name = names[sio_data->type];
1300        mutex_init(&data->lock);
1301        mutex_init(&data->update_lock);
1302        platform_set_drvdata(pdev, data);
1303
1304        /* Initialize the chip */
1305        w83627hf_init_device(pdev);
1306
1307        /* A few vars need to be filled upon startup */
1308        for (i = 0; i <= 2; i++)
1309                data->fan_min[i] = w83627hf_read_value(
1310                                        data, W83627HF_REG_FAN_MIN(i));
1311        w83627hf_update_fan_div(data);
1312
1313        /* Register common device attributes */
1314        if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1315                goto ERROR3;
1316
1317        /* Register chip-specific device attributes */
1318        if (data->type == w83627hf || data->type == w83697hf)
1319                if ((err = device_create_file(dev,
1320                                &sensor_dev_attr_in5_input.dev_attr))
1321                 || (err = device_create_file(dev,
1322                                &sensor_dev_attr_in5_min.dev_attr))
1323                 || (err = device_create_file(dev,
1324                                &sensor_dev_attr_in5_max.dev_attr))
1325                 || (err = device_create_file(dev,
1326                                &sensor_dev_attr_in5_alarm.dev_attr))
1327                 || (err = device_create_file(dev,
1328                                &sensor_dev_attr_in5_beep.dev_attr))
1329                 || (err = device_create_file(dev,
1330                                &sensor_dev_attr_in6_input.dev_attr))
1331                 || (err = device_create_file(dev,
1332                                &sensor_dev_attr_in6_min.dev_attr))
1333                 || (err = device_create_file(dev,
1334                                &sensor_dev_attr_in6_max.dev_attr))
1335                 || (err = device_create_file(dev,
1336                                &sensor_dev_attr_in6_alarm.dev_attr))
1337                 || (err = device_create_file(dev,
1338                                &sensor_dev_attr_in6_beep.dev_attr))
1339                 || (err = device_create_file(dev,
1340                                &sensor_dev_attr_pwm1_freq.dev_attr))
1341                 || (err = device_create_file(dev,
1342                                &sensor_dev_attr_pwm2_freq.dev_attr)))
1343                        goto ERROR4;
1344
1345        if (data->type != w83697hf)
1346                if ((err = device_create_file(dev,
1347                                &sensor_dev_attr_in1_input.dev_attr))
1348                 || (err = device_create_file(dev,
1349                                &sensor_dev_attr_in1_min.dev_attr))
1350                 || (err = device_create_file(dev,
1351                                &sensor_dev_attr_in1_max.dev_attr))
1352                 || (err = device_create_file(dev,
1353                                &sensor_dev_attr_in1_alarm.dev_attr))
1354                 || (err = device_create_file(dev,
1355                                &sensor_dev_attr_in1_beep.dev_attr))
1356                 || (err = device_create_file(dev,
1357                                &sensor_dev_attr_fan3_input.dev_attr))
1358                 || (err = device_create_file(dev,
1359                                &sensor_dev_attr_fan3_min.dev_attr))
1360                 || (err = device_create_file(dev,
1361                                &sensor_dev_attr_fan3_div.dev_attr))
1362                 || (err = device_create_file(dev,
1363                                &sensor_dev_attr_fan3_alarm.dev_attr))
1364                 || (err = device_create_file(dev,
1365                                &sensor_dev_attr_fan3_beep.dev_attr))
1366                 || (err = device_create_file(dev,
1367                                &sensor_dev_attr_temp3_input.dev_attr))
1368                 || (err = device_create_file(dev,
1369                                &sensor_dev_attr_temp3_max.dev_attr))
1370                 || (err = device_create_file(dev,
1371                                &sensor_dev_attr_temp3_max_hyst.dev_attr))
1372                 || (err = device_create_file(dev,
1373                                &sensor_dev_attr_temp3_alarm.dev_attr))
1374                 || (err = device_create_file(dev,
1375                                &sensor_dev_attr_temp3_beep.dev_attr))
1376                 || (err = device_create_file(dev,
1377                                &sensor_dev_attr_temp3_type.dev_attr)))
1378                        goto ERROR4;
1379
1380        if (data->type != w83697hf && data->vid != 0xff) {
1381                /* Convert VID to voltage based on VRM */
1382                data->vrm = vid_which_vrm();
1383
1384                if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1385                 || (err = device_create_file(dev, &dev_attr_vrm)))
1386                        goto ERROR4;
1387        }
1388
1389        if (data->type == w83627thf || data->type == w83637hf
1390         || data->type == w83687thf)
1391                if ((err = device_create_file(dev,
1392                                &sensor_dev_attr_pwm3.dev_attr)))
1393                        goto ERROR4;
1394
1395        if (data->type == w83637hf || data->type == w83687thf)
1396                if ((err = device_create_file(dev,
1397                                &sensor_dev_attr_pwm1_freq.dev_attr))
1398                 || (err = device_create_file(dev,
1399                                &sensor_dev_attr_pwm2_freq.dev_attr))
1400                 || (err = device_create_file(dev,
1401                                &sensor_dev_attr_pwm3_freq.dev_attr)))
1402                        goto ERROR4;
1403
1404        if (data->type != w83627hf)
1405                if ((err = device_create_file(dev,
1406                                &sensor_dev_attr_pwm1_enable.dev_attr))
1407                 || (err = device_create_file(dev,
1408                                &sensor_dev_attr_pwm2_enable.dev_attr)))
1409                        goto ERROR4;
1410
1411        if (data->type == w83627thf || data->type == w83637hf
1412         || data->type == w83687thf)
1413                if ((err = device_create_file(dev,
1414                                &sensor_dev_attr_pwm3_enable.dev_attr)))
1415                        goto ERROR4;
1416
1417        data->hwmon_dev = hwmon_device_register(dev);
1418        if (IS_ERR(data->hwmon_dev)) {
1419                err = PTR_ERR(data->hwmon_dev);
1420                goto ERROR4;
1421        }
1422
1423        return 0;
1424
1425      ERROR4:
1426        sysfs_remove_group(&dev->kobj, &w83627hf_group);
1427        sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1428      ERROR3:
1429        platform_set_drvdata(pdev, NULL);
1430        kfree(data);
1431      ERROR1:
1432        release_region(res->start, WINB_REGION_SIZE);
1433      ERROR0:
1434        return err;
1435}
1436
1437static int __devexit w83627hf_remove(struct platform_device *pdev)
1438{
1439        struct w83627hf_data *data = platform_get_drvdata(pdev);
1440        struct resource *res;
1441
1442        hwmon_device_unregister(data->hwmon_dev);
1443
1444        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1445        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1446        platform_set_drvdata(pdev, NULL);
1447        kfree(data);
1448
1449        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1450        release_region(res->start, WINB_REGION_SIZE);
1451
1452        return 0;
1453}
1454
1455
1456/* Registers 0x50-0x5f are banked */
1457static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1458{
1459        if ((reg & 0x00f0) == 0x50) {
1460                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1461                outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1462        }
1463}
1464
1465/* Not strictly necessary, but play it safe for now */
1466static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1467{
1468        if (reg & 0xff00) {
1469                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1470                outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1471        }
1472}
1473
1474static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1475{
1476        int res, word_sized;
1477
1478        mutex_lock(&data->lock);
1479        word_sized = (((reg & 0xff00) == 0x100)
1480                   || ((reg & 0xff00) == 0x200))
1481                  && (((reg & 0x00ff) == 0x50)
1482                   || ((reg & 0x00ff) == 0x53)
1483                   || ((reg & 0x00ff) == 0x55));
1484        w83627hf_set_bank(data, reg);
1485        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1486        res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1487        if (word_sized) {
1488                outb_p((reg & 0xff) + 1,
1489                       data->addr + W83781D_ADDR_REG_OFFSET);
1490                res =
1491                    (res << 8) + inb_p(data->addr +
1492                                       W83781D_DATA_REG_OFFSET);
1493        }
1494        w83627hf_reset_bank(data, reg);
1495        mutex_unlock(&data->lock);
1496        return res;
1497}
1498
1499static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1500{
1501        struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1502        int res = 0xff, sel;
1503
1504        superio_enter(sio_data);
1505        superio_select(sio_data, W83627HF_LD_GPIO5);
1506
1507        /* Make sure these GPIO pins are enabled */
1508        if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1509                dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1510                goto exit;
1511        }
1512
1513        /* Make sure the pins are configured for input
1514           There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1515        sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1516        if ((sel & 0x1f) != 0x1f) {
1517                dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1518                        "function\n");
1519                goto exit;
1520        }
1521
1522        dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1523        res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1524
1525exit:
1526        superio_exit(sio_data);
1527        return res;
1528}
1529
1530static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1531{
1532        struct w83627hf_sio_data *sio_data = pdev->dev.platform_data;
1533        int res = 0xff;
1534
1535        superio_enter(sio_data);
1536        superio_select(sio_data, W83627HF_LD_HWM);
1537
1538        /* Make sure these GPIO pins are enabled */
1539        if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1540                dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1541                goto exit;
1542        }
1543
1544        /* Make sure the pins are configured for input */
1545        if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1546                dev_dbg(&pdev->dev, "VID configured as output, "
1547                        "no VID function\n");
1548                goto exit;
1549        }
1550
1551        res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1552
1553exit:
1554        superio_exit(sio_data);
1555        return res;
1556}
1557
1558static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1559{
1560        int word_sized;
1561
1562        mutex_lock(&data->lock);
1563        word_sized = (((reg & 0xff00) == 0x100)
1564                   || ((reg & 0xff00) == 0x200))
1565                  && (((reg & 0x00ff) == 0x53)
1566                   || ((reg & 0x00ff) == 0x55));
1567        w83627hf_set_bank(data, reg);
1568        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1569        if (word_sized) {
1570                outb_p(value >> 8,
1571                       data->addr + W83781D_DATA_REG_OFFSET);
1572                outb_p((reg & 0xff) + 1,
1573                       data->addr + W83781D_ADDR_REG_OFFSET);
1574        }
1575        outb_p(value & 0xff,
1576               data->addr + W83781D_DATA_REG_OFFSET);
1577        w83627hf_reset_bank(data, reg);
1578        mutex_unlock(&data->lock);
1579        return 0;
1580}
1581
1582static void __devinit w83627hf_init_device(struct platform_device *pdev)
1583{
1584        struct w83627hf_data *data = platform_get_drvdata(pdev);
1585        int i;
1586        enum chips type = data->type;
1587        u8 tmp;
1588
1589        /* Minimize conflicts with other winbond i2c-only clients...  */
1590        /* disable i2c subclients... how to disable main i2c client?? */
1591        /* force i2c address to relatively uncommon address */
1592        w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1593        w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1594
1595        /* Read VID only once */
1596        if (type == w83627hf || type == w83637hf) {
1597                int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1598                int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1599                data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1600        } else if (type == w83627thf) {
1601                data->vid = w83627thf_read_gpio5(pdev);
1602        } else if (type == w83687thf) {
1603                data->vid = w83687thf_read_vid(pdev);
1604        }
1605
1606        /* Read VRM & OVT Config only once */
1607        if (type == w83627thf || type == w83637hf || type == w83687thf) {
1608                data->vrm_ovt = 
1609                        w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1610        }
1611
1612        tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1613        for (i = 1; i <= 3; i++) {
1614                if (!(tmp & BIT_SCFG1[i - 1])) {
1615                        data->sens[i - 1] = 4;
1616                } else {
1617                        if (w83627hf_read_value
1618                            (data,
1619                             W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1620                                data->sens[i - 1] = 1;
1621                        else
1622                                data->sens[i - 1] = 2;
1623                }
1624                if ((type == w83697hf) && (i == 2))
1625                        break;
1626        }
1627
1628        if(init) {
1629                /* Enable temp2 */
1630                tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1631                if (tmp & 0x01) {
1632                        dev_warn(&pdev->dev, "Enabling temp2, readings "
1633                                 "might not make sense\n");
1634                        w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1635                                tmp & 0xfe);
1636                }
1637
1638                /* Enable temp3 */
1639                if (type != w83697hf) {
1640                        tmp = w83627hf_read_value(data,
1641                                W83627HF_REG_TEMP3_CONFIG);
1642                        if (tmp & 0x01) {
1643                                dev_warn(&pdev->dev, "Enabling temp3, "
1644                                         "readings might not make sense\n");
1645                                w83627hf_write_value(data,
1646                                        W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1647                        }
1648                }
1649        }
1650
1651        /* Start monitoring */
1652        w83627hf_write_value(data, W83781D_REG_CONFIG,
1653                            (w83627hf_read_value(data,
1654                                                W83781D_REG_CONFIG) & 0xf7)
1655                            | 0x01);
1656
1657        /* Enable VBAT monitoring if needed */
1658        tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1659        if (!(tmp & 0x01))
1660                w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1661}
1662
1663static void w83627hf_update_fan_div(struct w83627hf_data *data)
1664{
1665        int reg;
1666
1667        reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1668        data->fan_div[0] = (reg >> 4) & 0x03;
1669        data->fan_div[1] = (reg >> 6) & 0x03;
1670        if (data->type != w83697hf) {
1671                data->fan_div[2] = (w83627hf_read_value(data,
1672                                       W83781D_REG_PIN) >> 6) & 0x03;
1673        }
1674        reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1675        data->fan_div[0] |= (reg >> 3) & 0x04;
1676        data->fan_div[1] |= (reg >> 4) & 0x04;
1677        if (data->type != w83697hf)
1678                data->fan_div[2] |= (reg >> 5) & 0x04;
1679}
1680
1681static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1682{
1683        struct w83627hf_data *data = dev_get_drvdata(dev);
1684        int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1685        int num_pwms = (data->type == w83697hf) ? 2 : 3;
1686
1687        mutex_lock(&data->update_lock);
1688
1689        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1690            || !data->valid) {
1691                for (i = 0; i <= 8; i++) {
1692                        /* skip missing sensors */
1693                        if (((data->type == w83697hf) && (i == 1)) ||
1694                            ((data->type != w83627hf && data->type != w83697hf)
1695                            && (i == 5 || i == 6)))
1696                                continue;
1697                        data->in[i] =
1698                            w83627hf_read_value(data, W83781D_REG_IN(i));
1699                        data->in_min[i] =
1700                            w83627hf_read_value(data,
1701                                               W83781D_REG_IN_MIN(i));
1702                        data->in_max[i] =
1703                            w83627hf_read_value(data,
1704                                               W83781D_REG_IN_MAX(i));
1705                }
1706                for (i = 0; i <= 2; i++) {
1707                        data->fan[i] =
1708                            w83627hf_read_value(data, W83627HF_REG_FAN(i));
1709                        data->fan_min[i] =
1710                            w83627hf_read_value(data,
1711                                               W83627HF_REG_FAN_MIN(i));
1712                }
1713                for (i = 0; i <= 2; i++) {
1714                        u8 tmp = w83627hf_read_value(data,
1715                                W836X7HF_REG_PWM(data->type, i));
1716                        /* bits 0-3 are reserved  in 627THF */
1717                        if (data->type == w83627thf)
1718                                tmp &= 0xf0;
1719                        data->pwm[i] = tmp;
1720                        if (i == 1 &&
1721                            (data->type == w83627hf || data->type == w83697hf))
1722                                break;
1723                }
1724                if (data->type == w83627hf) {
1725                                u8 tmp = w83627hf_read_value(data,
1726                                                W83627HF_REG_PWM_FREQ);
1727                                data->pwm_freq[0] = tmp & 0x07;
1728                                data->pwm_freq[1] = (tmp >> 4) & 0x07;
1729                } else if (data->type != w83627thf) {
1730                        for (i = 1; i <= 3; i++) {
1731                                data->pwm_freq[i - 1] =
1732                                        w83627hf_read_value(data,
1733                                                W83637HF_REG_PWM_FREQ[i - 1]);
1734                                if (i == 2 && (data->type == w83697hf))
1735                                        break;
1736                        }
1737                }
1738                if (data->type != w83627hf) {
1739                        for (i = 0; i < num_pwms; i++) {
1740                                u8 tmp = w83627hf_read_value(data,
1741                                        W83627THF_REG_PWM_ENABLE[i]);
1742                                data->pwm_enable[i] =
1743                                        ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1744                                        & 0x03) + 1;
1745                        }
1746                }
1747                for (i = 0; i < num_temps; i++) {
1748                        data->temp[i] = w83627hf_read_value(
1749                                                data, w83627hf_reg_temp[i]);
1750                        data->temp_max[i] = w83627hf_read_value(
1751                                                data, w83627hf_reg_temp_over[i]);
1752                        data->temp_max_hyst[i] = w83627hf_read_value(
1753                                                data, w83627hf_reg_temp_hyst[i]);
1754                }
1755
1756                w83627hf_update_fan_div(data);
1757
1758                data->alarms =
1759                    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1760                    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1761                    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1762                i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1763                data->beep_mask = (i << 8) |
1764                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1765                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1766                data->last_updated = jiffies;
1767                data->valid = 1;
1768        }
1769
1770        mutex_unlock(&data->update_lock);
1771
1772        return data;
1773}
1774
1775static int __init w83627hf_device_add(unsigned short address,
1776                                      const struct w83627hf_sio_data *sio_data)
1777{
1778        struct resource res = {
1779                .start  = address + WINB_REGION_OFFSET,
1780                .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1781                .name   = DRVNAME,
1782                .flags  = IORESOURCE_IO,
1783        };
1784        int err;
1785
1786        err = acpi_check_resource_conflict(&res);
1787        if (err)
1788                goto exit;
1789
1790        pdev = platform_device_alloc(DRVNAME, address);
1791        if (!pdev) {
1792                err = -ENOMEM;
1793                pr_err("Device allocation failed\n");
1794                goto exit;
1795        }
1796
1797        err = platform_device_add_resources(pdev, &res, 1);
1798        if (err) {
1799                pr_err("Device resource addition failed (%d)\n", err);
1800                goto exit_device_put;
1801        }
1802
1803        err = platform_device_add_data(pdev, sio_data,
1804                                       sizeof(struct w83627hf_sio_data));
1805        if (err) {
1806                pr_err("Platform data allocation failed\n");
1807                goto exit_device_put;
1808        }
1809
1810        err = platform_device_add(pdev);
1811        if (err) {
1812                pr_err("Device addition failed (%d)\n", err);
1813                goto exit_device_put;
1814        }
1815
1816        return 0;
1817
1818exit_device_put:
1819        platform_device_put(pdev);
1820exit:
1821        return err;
1822}
1823
1824static int __init sensors_w83627hf_init(void)
1825{
1826        int err;
1827        unsigned short address;
1828        struct w83627hf_sio_data sio_data;
1829
1830        if (w83627hf_find(0x2e, &address, &sio_data)
1831         && w83627hf_find(0x4e, &address, &sio_data))
1832                return -ENODEV;
1833
1834        err = platform_driver_register(&w83627hf_driver);
1835        if (err)
1836                goto exit;
1837
1838        /* Sets global pdev as a side effect */
1839        err = w83627hf_device_add(address, &sio_data);
1840        if (err)
1841                goto exit_driver;
1842
1843        return 0;
1844
1845exit_driver:
1846        platform_driver_unregister(&w83627hf_driver);
1847exit:
1848        return err;
1849}
1850
1851static void __exit sensors_w83627hf_exit(void)
1852{
1853        platform_device_unregister(pdev);
1854        platform_driver_unregister(&w83627hf_driver);
1855}
1856
1857MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1858              "Philip Edelbrock <phil@netroedge.com>, "
1859              "and Mark Studebaker <mdsxyz123@yahoo.com>");
1860MODULE_DESCRIPTION("W83627HF driver");
1861MODULE_LICENSE("GPL");
1862
1863module_init(sensors_w83627hf_init);
1864module_exit(sensors_w83627hf_exit);
1865