linux/drivers/hwmon/w83627hf.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   4 *              monitoring
   5 * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   6 *                            Philip Edelbrock <phil@netroedge.com>,
   7 *                            and Mark Studebaker <mdsxyz123@yahoo.com>
   8 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   9 * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
  10 */
  11
  12/*
  13 * Supports following chips:
  14 *
  15 * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  16 * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  17 * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  18 * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  19 * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  20 * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  21 *
  22 * For other winbond chips, and for i2c support in the above chips,
  23 * use w83781d.c.
  24 *
  25 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  26 * supported yet.
  27 */
  28
  29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  30
  31#include <linux/module.h>
  32#include <linux/init.h>
  33#include <linux/slab.h>
  34#include <linux/jiffies.h>
  35#include <linux/platform_device.h>
  36#include <linux/hwmon.h>
  37#include <linux/hwmon-sysfs.h>
  38#include <linux/hwmon-vid.h>
  39#include <linux/err.h>
  40#include <linux/mutex.h>
  41#include <linux/ioport.h>
  42#include <linux/acpi.h>
  43#include <linux/io.h>
  44#include "lm75.h"
  45
  46static struct platform_device *pdev;
  47
  48#define DRVNAME "w83627hf"
  49enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  50
  51struct w83627hf_sio_data {
  52        enum chips type;
  53        int sioaddr;
  54};
  55
  56static u8 force_i2c = 0x1f;
  57module_param(force_i2c, byte, 0);
  58MODULE_PARM_DESC(force_i2c,
  59                 "Initialize the i2c address of the sensors");
  60
  61static bool init = 1;
  62module_param(init, bool, 0);
  63MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  64
  65static unsigned short force_id;
  66module_param(force_id, ushort, 0);
  67MODULE_PARM_DESC(force_id, "Override the detected device ID");
  68
  69/* modified from kernel/include/traps.c */
  70#define DEV                     0x07 /* Register: Logical device select */
  71
  72/* logical device numbers for superio_select (below) */
  73#define W83627HF_LD_FDC         0x00
  74#define W83627HF_LD_PRT         0x01
  75#define W83627HF_LD_UART1       0x02
  76#define W83627HF_LD_UART2       0x03
  77#define W83627HF_LD_KBC         0x05
  78#define W83627HF_LD_CIR         0x06 /* w83627hf only */
  79#define W83627HF_LD_GAME        0x07
  80#define W83627HF_LD_MIDI        0x07
  81#define W83627HF_LD_GPIO1       0x07
  82#define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  83#define W83627HF_LD_GPIO2       0x08
  84#define W83627HF_LD_GPIO3       0x09
  85#define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  86#define W83627HF_LD_ACPI        0x0a
  87#define W83627HF_LD_HWM         0x0b
  88
  89#define DEVID                   0x20 /* Register: Device ID */
  90
  91#define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
  92#define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
  93#define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
  94
  95#define W83687THF_VID_EN        0x29 /* w83687thf only */
  96#define W83687THF_VID_CFG       0xF0 /* w83687thf only */
  97#define W83687THF_VID_DATA      0xF1 /* w83687thf only */
  98
  99static inline void
 100superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 101{
 102        outb(reg, sio->sioaddr);
 103        outb(val, sio->sioaddr + 1);
 104}
 105
 106static inline int
 107superio_inb(struct w83627hf_sio_data *sio, int reg)
 108{
 109        outb(reg, sio->sioaddr);
 110        return inb(sio->sioaddr + 1);
 111}
 112
 113static inline void
 114superio_select(struct w83627hf_sio_data *sio, int ld)
 115{
 116        outb(DEV, sio->sioaddr);
 117        outb(ld,  sio->sioaddr + 1);
 118}
 119
 120static inline int
 121superio_enter(struct w83627hf_sio_data *sio)
 122{
 123        if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
 124                return -EBUSY;
 125
 126        outb(0x87, sio->sioaddr);
 127        outb(0x87, sio->sioaddr);
 128
 129        return 0;
 130}
 131
 132static inline void
 133superio_exit(struct w83627hf_sio_data *sio)
 134{
 135        outb(0xAA, sio->sioaddr);
 136        release_region(sio->sioaddr, 2);
 137}
 138
 139#define W627_DEVID 0x52
 140#define W627THF_DEVID 0x82
 141#define W697_DEVID 0x60
 142#define W637_DEVID 0x70
 143#define W687THF_DEVID 0x85
 144#define WINB_ACT_REG 0x30
 145#define WINB_BASE_REG 0x60
 146/* Constants specified below */
 147
 148/* Alignment of the base address */
 149#define WINB_ALIGNMENT          ~7
 150
 151/* Offset & size of I/O region we are interested in */
 152#define WINB_REGION_OFFSET      5
 153#define WINB_REGION_SIZE        2
 154
 155/* Where are the sensors address/data registers relative to the region offset */
 156#define W83781D_ADDR_REG_OFFSET 0
 157#define W83781D_DATA_REG_OFFSET 1
 158
 159/* The W83781D registers */
 160/* The W83782D registers for nr=7,8 are in bank 5 */
 161#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 162                                           (0x554 + (((nr) - 7) * 2)))
 163#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 164                                           (0x555 + (((nr) - 7) * 2)))
 165#define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 166                                           (0x550 + (nr) - 7))
 167
 168/* nr:0-2 for fans:1-3 */
 169#define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 170#define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 171
 172#define W83627HF_REG_TEMP2_CONFIG 0x152
 173#define W83627HF_REG_TEMP3_CONFIG 0x252
 174/* these are zero-based, unlike config constants above */
 175static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 176static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 177static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 178
 179#define W83781D_REG_BANK 0x4E
 180
 181#define W83781D_REG_CONFIG 0x40
 182#define W83781D_REG_ALARM1 0x459
 183#define W83781D_REG_ALARM2 0x45A
 184#define W83781D_REG_ALARM3 0x45B
 185
 186#define W83781D_REG_BEEP_CONFIG 0x4D
 187#define W83781D_REG_BEEP_INTS1 0x56
 188#define W83781D_REG_BEEP_INTS2 0x57
 189#define W83781D_REG_BEEP_INTS3 0x453
 190
 191#define W83781D_REG_VID_FANDIV 0x47
 192
 193#define W83781D_REG_CHIPID 0x49
 194#define W83781D_REG_WCHIPID 0x58
 195#define W83781D_REG_CHIPMAN 0x4F
 196#define W83781D_REG_PIN 0x4B
 197
 198#define W83781D_REG_VBAT 0x5D
 199
 200#define W83627HF_REG_PWM1 0x5A
 201#define W83627HF_REG_PWM2 0x5B
 202
 203static const u8 W83627THF_REG_PWM_ENABLE[] = {
 204        0x04,           /* FAN 1 mode */
 205        0x04,           /* FAN 2 mode */
 206        0x12,           /* FAN AUX mode */
 207};
 208static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 209
 210#define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 211#define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 212#define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 213
 214#define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 215
 216static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 217static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 218                             W83627THF_REG_PWM3 };
 219#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 220                                    regpwm_627hf[nr] : regpwm[nr])
 221
 222#define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 223
 224#define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 225#define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 226#define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 227
 228static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 229                                        W83637HF_REG_PWM_FREQ2,
 230                                        W83637HF_REG_PWM_FREQ3 };
 231
 232#define W83627HF_BASE_PWM_FREQ  46870
 233
 234#define W83781D_REG_I2C_ADDR 0x48
 235#define W83781D_REG_I2C_SUBADDR 0x4A
 236
 237/* Sensor selection */
 238#define W83781D_REG_SCFG1 0x5D
 239static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 240#define W83781D_REG_SCFG2 0x59
 241static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 242#define W83781D_DEFAULT_BETA 3435
 243
 244/*
 245 * Conversions. Limit checking is only done on the TO_REG
 246 * variants. Note that you should be a bit careful with which arguments
 247 * these macros are called: arguments may be evaluated more than once.
 248 * Fixing this is just not worth it.
 249 */
 250#define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 251#define IN_FROM_REG(val) ((val) * 16)
 252
 253static inline u8 FAN_TO_REG(long rpm, int div)
 254{
 255        if (rpm == 0)
 256                return 255;
 257        rpm = clamp_val(rpm, 1, 1000000);
 258        return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 259}
 260
 261#define TEMP_MIN (-128000)
 262#define TEMP_MAX ( 127000)
 263
 264/*
 265 * TEMP: 0.001C/bit (-128C to +127C)
 266 * REG: 1C/bit, two's complement
 267 */
 268static u8 TEMP_TO_REG(long temp)
 269{
 270        int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 271        ntemp += (ntemp < 0 ? -500 : 500);
 272        return (u8)(ntemp / 1000);
 273}
 274
 275static int TEMP_FROM_REG(u8 reg)
 276{
 277        return (s8)reg * 1000;
 278}
 279
 280#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 281
 282#define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 283
 284static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 285{
 286        unsigned long freq;
 287        freq = W83627HF_BASE_PWM_FREQ >> reg;
 288        return freq;
 289}
 290static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 291{
 292        u8 i;
 293        /*
 294         * Only 5 dividers (1 2 4 8 16)
 295         * Search for the nearest available frequency
 296         */
 297        for (i = 0; i < 4; i++) {
 298                if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 299                            (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 300                        break;
 301        }
 302        return i;
 303}
 304
 305static inline unsigned long pwm_freq_from_reg(u8 reg)
 306{
 307        /* Clock bit 8 -> 180 kHz or 24 MHz */
 308        unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 309
 310        reg &= 0x7f;
 311        /* This should not happen but anyway... */
 312        if (reg == 0)
 313                reg++;
 314        return clock / (reg << 8);
 315}
 316static inline u8 pwm_freq_to_reg(unsigned long val)
 317{
 318        /* Minimum divider value is 0x01 and maximum is 0x7F */
 319        if (val >= 93750)       /* The highest we can do */
 320                return 0x01;
 321        if (val >= 720) /* Use 24 MHz clock */
 322                return 24000000UL / (val << 8);
 323        if (val < 6)            /* The lowest we can do */
 324                return 0xFF;
 325        else                    /* Use 180 kHz clock */
 326                return 0x80 | (180000UL / (val << 8));
 327}
 328
 329#define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 330#define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 331
 332#define DIV_FROM_REG(val) (1 << (val))
 333
 334static inline u8 DIV_TO_REG(long val)
 335{
 336        int i;
 337        val = clamp_val(val, 1, 128) >> 1;
 338        for (i = 0; i < 7; i++) {
 339                if (val == 0)
 340                        break;
 341                val >>= 1;
 342        }
 343        return (u8)i;
 344}
 345
 346/*
 347 * For each registered chip, we need to keep some data in memory.
 348 * The structure is dynamically allocated.
 349 */
 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                                 */
 378        u8 pwm_freq[3];         /* Register value */
 379        u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 380                                 * 4 = thermistor
 381                                 */
 382        u8 vrm;
 383        u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 384
 385#ifdef CONFIG_PM
 386        /* Remember extra register values over suspend/resume */
 387        u8 scfg1;
 388        u8 scfg2;
 389#endif
 390};
 391
 392static int w83627hf_probe(struct platform_device *pdev);
 393static int w83627hf_remove(struct platform_device *pdev);
 394
 395static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 396static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 397static void w83627hf_update_fan_div(struct w83627hf_data *data);
 398static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 399static void w83627hf_init_device(struct platform_device *pdev);
 400
 401#ifdef CONFIG_PM
 402static int w83627hf_suspend(struct device *dev)
 403{
 404        struct w83627hf_data *data = w83627hf_update_device(dev);
 405
 406        mutex_lock(&data->update_lock);
 407        data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 408        data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 409        mutex_unlock(&data->update_lock);
 410
 411        return 0;
 412}
 413
 414static int w83627hf_resume(struct device *dev)
 415{
 416        struct w83627hf_data *data = dev_get_drvdata(dev);
 417        int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 418
 419        /* Restore limits */
 420        mutex_lock(&data->update_lock);
 421        for (i = 0; i <= 8; i++) {
 422                /* skip missing sensors */
 423                if (((data->type == w83697hf) && (i == 1)) ||
 424                    ((data->type != w83627hf && data->type != w83697hf)
 425                    && (i == 5 || i == 6)))
 426                        continue;
 427                w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 428                                     data->in_max[i]);
 429                w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 430                                     data->in_min[i]);
 431        }
 432        for (i = 0; i <= 2; i++)
 433                w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 434                                     data->fan_min[i]);
 435        for (i = 0; i < num_temps; i++) {
 436                w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 437                                     data->temp_max[i]);
 438                w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 439                                     data->temp_max_hyst[i]);
 440        }
 441
 442        /* Fixup BIOS bugs */
 443        if (data->type == w83627thf || data->type == w83637hf ||
 444            data->type == w83687thf)
 445                w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 446                                     data->vrm_ovt);
 447        w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 448        w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 449
 450        /* Force re-reading all values */
 451        data->valid = 0;
 452        mutex_unlock(&data->update_lock);
 453
 454        return 0;
 455}
 456
 457static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 458        .suspend = w83627hf_suspend,
 459        .resume = w83627hf_resume,
 460};
 461
 462#define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 463#else
 464#define W83627HF_DEV_PM_OPS     NULL
 465#endif /* CONFIG_PM */
 466
 467static struct platform_driver w83627hf_driver = {
 468        .driver = {
 469                .name   = DRVNAME,
 470                .pm     = W83627HF_DEV_PM_OPS,
 471        },
 472        .probe          = w83627hf_probe,
 473        .remove         = w83627hf_remove,
 474};
 475
 476static ssize_t
 477in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
 478{
 479        int nr = to_sensor_dev_attr(devattr)->index;
 480        struct w83627hf_data *data = w83627hf_update_device(dev);
 481        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 482}
 483static ssize_t
 484in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
 485{
 486        int nr = to_sensor_dev_attr(devattr)->index;
 487        struct w83627hf_data *data = w83627hf_update_device(dev);
 488        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 489}
 490static ssize_t
 491in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
 492{
 493        int nr = to_sensor_dev_attr(devattr)->index;
 494        struct w83627hf_data *data = w83627hf_update_device(dev);
 495        return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 496}
 497static ssize_t
 498in_min_store(struct device *dev, struct device_attribute *devattr,
 499             const char *buf, size_t count)
 500{
 501        int nr = to_sensor_dev_attr(devattr)->index;
 502        struct w83627hf_data *data = dev_get_drvdata(dev);
 503        long val;
 504        int err;
 505
 506        err = kstrtol(buf, 10, &val);
 507        if (err)
 508                return err;
 509
 510        mutex_lock(&data->update_lock);
 511        data->in_min[nr] = IN_TO_REG(val);
 512        w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 513        mutex_unlock(&data->update_lock);
 514        return count;
 515}
 516static ssize_t
 517in_max_store(struct device *dev, struct device_attribute *devattr,
 518             const char *buf, size_t count)
 519{
 520        int nr = to_sensor_dev_attr(devattr)->index;
 521        struct w83627hf_data *data = dev_get_drvdata(dev);
 522        long val;
 523        int err;
 524
 525        err = kstrtol(buf, 10, &val);
 526        if (err)
 527                return err;
 528
 529        mutex_lock(&data->update_lock);
 530        data->in_max[nr] = IN_TO_REG(val);
 531        w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 532        mutex_unlock(&data->update_lock);
 533        return count;
 534}
 535
 536static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
 537static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
 538static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
 539static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
 540static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
 541static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
 542static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
 543static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
 544static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
 545static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
 546static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
 547static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
 548static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
 549static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
 550static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
 551static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
 552static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
 553static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
 554static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
 555static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
 556static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
 557static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
 558static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
 559static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 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 in0_input_show(struct device *dev,
 580                              struct device_attribute *attr, char *buf)
 581{
 582        struct w83627hf_data *data = w83627hf_update_device(dev);
 583        return show_in_0(data, buf, data->in[0]);
 584}
 585
 586static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
 587                            char *buf)
 588{
 589        struct w83627hf_data *data = w83627hf_update_device(dev);
 590        return show_in_0(data, buf, data->in_min[0]);
 591}
 592
 593static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
 594                            char *buf)
 595{
 596        struct w83627hf_data *data = w83627hf_update_device(dev);
 597        return show_in_0(data, buf, data->in_max[0]);
 598}
 599
 600static ssize_t in0_min_store(struct device *dev,
 601                             struct device_attribute *attr, const char *buf,
 602                             size_t count)
 603{
 604        struct w83627hf_data *data = dev_get_drvdata(dev);
 605        unsigned long val;
 606        int err;
 607
 608        err = kstrtoul(buf, 10, &val);
 609        if (err)
 610                return err;
 611
 612        mutex_lock(&data->update_lock);
 613        
 614        if ((data->vrm_ovt & 0x01) &&
 615                (w83627thf == data->type || w83637hf == data->type
 616                 || w83687thf == data->type))
 617
 618                /* use VRM9 calculation */
 619                data->in_min[0] =
 620                        clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 621        else
 622                /* use VRM8 (standard) calculation */
 623                data->in_min[0] = IN_TO_REG(val);
 624
 625        w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 626        mutex_unlock(&data->update_lock);
 627        return count;
 628}
 629
 630static ssize_t in0_max_store(struct device *dev,
 631                             struct device_attribute *attr, const char *buf,
 632                             size_t count)
 633{
 634        struct w83627hf_data *data = dev_get_drvdata(dev);
 635        unsigned long val;
 636        int err;
 637
 638        err = kstrtoul(buf, 10, &val);
 639        if (err)
 640                return err;
 641
 642        mutex_lock(&data->update_lock);
 643
 644        if ((data->vrm_ovt & 0x01) &&
 645                (w83627thf == data->type || w83637hf == data->type
 646                 || w83687thf == data->type))
 647                
 648                /* use VRM9 calculation */
 649                data->in_max[0] =
 650                        clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 651        else
 652                /* use VRM8 (standard) calculation */
 653                data->in_max[0] = IN_TO_REG(val);
 654
 655        w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 656        mutex_unlock(&data->update_lock);
 657        return count;
 658}
 659
 660static DEVICE_ATTR_RO(in0_input);
 661static DEVICE_ATTR_RW(in0_min);
 662static DEVICE_ATTR_RW(in0_max);
 663
 664static ssize_t
 665fan_input_show(struct device *dev, struct device_attribute *devattr,
 666               char *buf)
 667{
 668        int nr = to_sensor_dev_attr(devattr)->index;
 669        struct w83627hf_data *data = w83627hf_update_device(dev);
 670        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 671                                (long)DIV_FROM_REG(data->fan_div[nr])));
 672}
 673static ssize_t
 674fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
 675{
 676        int nr = to_sensor_dev_attr(devattr)->index;
 677        struct w83627hf_data *data = w83627hf_update_device(dev);
 678        return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 679                                (long)DIV_FROM_REG(data->fan_div[nr])));
 680}
 681static ssize_t
 682fan_min_store(struct device *dev, struct device_attribute *devattr,
 683              const char *buf, size_t count)
 684{
 685        int nr = to_sensor_dev_attr(devattr)->index;
 686        struct w83627hf_data *data = dev_get_drvdata(dev);
 687        unsigned long val;
 688        int err;
 689
 690        err = kstrtoul(buf, 10, &val);
 691        if (err)
 692                return err;
 693
 694        mutex_lock(&data->update_lock);
 695        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 696        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 697                             data->fan_min[nr]);
 698
 699        mutex_unlock(&data->update_lock);
 700        return count;
 701}
 702
 703static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
 704static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
 705static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
 706static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
 707static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
 708static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
 709
 710static ssize_t
 711temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
 712{
 713        int nr = to_sensor_dev_attr(devattr)->index;
 714        struct w83627hf_data *data = w83627hf_update_device(dev);
 715
 716        u16 tmp = data->temp[nr];
 717        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 718                                          : (long) TEMP_FROM_REG(tmp));
 719}
 720
 721static ssize_t
 722temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
 723{
 724        int nr = to_sensor_dev_attr(devattr)->index;
 725        struct w83627hf_data *data = w83627hf_update_device(dev);
 726
 727        u16 tmp = data->temp_max[nr];
 728        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 729                                          : (long) TEMP_FROM_REG(tmp));
 730}
 731
 732static ssize_t
 733temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
 734                   char *buf)
 735{
 736        int nr = to_sensor_dev_attr(devattr)->index;
 737        struct w83627hf_data *data = w83627hf_update_device(dev);
 738
 739        u16 tmp = data->temp_max_hyst[nr];
 740        return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 741                                          : (long) TEMP_FROM_REG(tmp));
 742}
 743
 744static ssize_t
 745temp_max_store(struct device *dev, struct device_attribute *devattr,
 746               const char *buf, size_t count)
 747{
 748        int nr = to_sensor_dev_attr(devattr)->index;
 749        struct w83627hf_data *data = dev_get_drvdata(dev);
 750        u16 tmp;
 751        long val;
 752        int err;
 753
 754        err = kstrtol(buf, 10, &val);
 755        if (err)
 756                return err;
 757
 758        tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 759        mutex_lock(&data->update_lock);
 760        data->temp_max[nr] = tmp;
 761        w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 762        mutex_unlock(&data->update_lock);
 763        return count;
 764}
 765
 766static ssize_t
 767temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
 768                    const char *buf, size_t count)
 769{
 770        int nr = to_sensor_dev_attr(devattr)->index;
 771        struct w83627hf_data *data = dev_get_drvdata(dev);
 772        u16 tmp;
 773        long val;
 774        int err;
 775
 776        err = kstrtol(buf, 10, &val);
 777        if (err)
 778                return err;
 779
 780        tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 781        mutex_lock(&data->update_lock);
 782        data->temp_max_hyst[nr] = tmp;
 783        w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 784        mutex_unlock(&data->update_lock);
 785        return count;
 786}
 787
 788static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
 789static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
 790static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
 791static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
 792static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
 793static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
 794static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
 795static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
 796static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
 797
 798static ssize_t
 799cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
 800{
 801        struct w83627hf_data *data = w83627hf_update_device(dev);
 802        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 803}
 804static DEVICE_ATTR_RO(cpu0_vid);
 805
 806static ssize_t
 807vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
 808{
 809        struct w83627hf_data *data = dev_get_drvdata(dev);
 810        return sprintf(buf, "%ld\n", (long) data->vrm);
 811}
 812static ssize_t
 813vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
 814          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
 824        if (val > 255)
 825                return -EINVAL;
 826        data->vrm = val;
 827
 828        return count;
 829}
 830static DEVICE_ATTR_RW(vrm);
 831
 832static ssize_t
 833alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
 834{
 835        struct w83627hf_data *data = w83627hf_update_device(dev);
 836        return sprintf(buf, "%ld\n", (long) data->alarms);
 837}
 838static DEVICE_ATTR_RO(alarms);
 839
 840static ssize_t
 841alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
 842{
 843        struct w83627hf_data *data = w83627hf_update_device(dev);
 844        int bitnr = to_sensor_dev_attr(attr)->index;
 845        return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 846}
 847static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
 848static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
 849static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
 850static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
 851static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
 852static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
 853static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
 854static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
 855static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
 856static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
 857static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
 858static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
 859static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
 860static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
 861static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
 862
 863static ssize_t
 864beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
 865{
 866        struct w83627hf_data *data = w83627hf_update_device(dev);
 867        return sprintf(buf, "%ld\n",
 868                      (long)BEEP_MASK_FROM_REG(data->beep_mask));
 869}
 870
 871static ssize_t
 872beep_mask_store(struct device *dev, struct device_attribute *attr,
 873                const char *buf, size_t count)
 874{
 875        struct w83627hf_data *data = dev_get_drvdata(dev);
 876        unsigned long val;
 877        int err;
 878
 879        err = kstrtoul(buf, 10, &val);
 880        if (err)
 881                return err;
 882
 883        mutex_lock(&data->update_lock);
 884
 885        /* preserve beep enable */
 886        data->beep_mask = (data->beep_mask & 0x8000)
 887                        | BEEP_MASK_TO_REG(val);
 888        w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 889                            data->beep_mask & 0xff);
 890        w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 891                            ((data->beep_mask) >> 16) & 0xff);
 892        w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 893                            (data->beep_mask >> 8) & 0xff);
 894
 895        mutex_unlock(&data->update_lock);
 896        return count;
 897}
 898
 899static DEVICE_ATTR_RW(beep_mask);
 900
 901static ssize_t
 902beep_show(struct device *dev, struct device_attribute *attr, char *buf)
 903{
 904        struct w83627hf_data *data = w83627hf_update_device(dev);
 905        int bitnr = to_sensor_dev_attr(attr)->index;
 906        return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 907}
 908
 909static ssize_t
 910beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
 911           size_t count)
 912{
 913        struct w83627hf_data *data = dev_get_drvdata(dev);
 914        int bitnr = to_sensor_dev_attr(attr)->index;
 915        u8 reg;
 916        unsigned long bit;
 917        int err;
 918
 919        err = kstrtoul(buf, 10, &bit);
 920        if (err)
 921                return err;
 922
 923        if (bit & ~1)
 924                return -EINVAL;
 925
 926        mutex_lock(&data->update_lock);
 927        if (bit)
 928                data->beep_mask |= (1 << bitnr);
 929        else
 930                data->beep_mask &= ~(1 << bitnr);
 931
 932        if (bitnr < 8) {
 933                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 934                if (bit)
 935                        reg |= (1 << bitnr);
 936                else
 937                        reg &= ~(1 << bitnr);
 938                w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 939        } else if (bitnr < 16) {
 940                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 941                if (bit)
 942                        reg |= (1 << (bitnr - 8));
 943                else
 944                        reg &= ~(1 << (bitnr - 8));
 945                w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 946        } else {
 947                reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 948                if (bit)
 949                        reg |= (1 << (bitnr - 16));
 950                else
 951                        reg &= ~(1 << (bitnr - 16));
 952                w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 953        }
 954        mutex_unlock(&data->update_lock);
 955
 956        return count;
 957}
 958
 959static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
 960static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
 961static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
 962static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
 963static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
 964static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
 965static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
 966static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
 967static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
 968static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
 969static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
 970static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
 971static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
 972static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
 973static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
 974static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
 975
 976static ssize_t
 977fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
 978{
 979        int nr = to_sensor_dev_attr(devattr)->index;
 980        struct w83627hf_data *data = w83627hf_update_device(dev);
 981        return sprintf(buf, "%ld\n",
 982                       (long) DIV_FROM_REG(data->fan_div[nr]));
 983}
 984/*
 985 * Note: we save and restore the fan minimum here, because its value is
 986 * determined in part by the fan divisor.  This follows the principle of
 987 * least surprise; the user doesn't expect the fan minimum to change just
 988 * because the divisor changed.
 989 */
 990static ssize_t
 991fan_div_store(struct device *dev, struct device_attribute *devattr,
 992              const char *buf, size_t count)
 993{
 994        int nr = to_sensor_dev_attr(devattr)->index;
 995        struct w83627hf_data *data = dev_get_drvdata(dev);
 996        unsigned long min;
 997        u8 reg;
 998        unsigned long val;
 999        int err;
1000
1001        err = kstrtoul(buf, 10, &val);
1002        if (err)
1003                return err;
1004
1005        mutex_lock(&data->update_lock);
1006
1007        /* Save fan_min */
1008        min = FAN_FROM_REG(data->fan_min[nr],
1009                           DIV_FROM_REG(data->fan_div[nr]));
1010
1011        data->fan_div[nr] = DIV_TO_REG(val);
1012
1013        reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1014               & (nr==0 ? 0xcf : 0x3f))
1015            | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1016        w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1017
1018        reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1019               & ~(1 << (5 + nr)))
1020            | ((data->fan_div[nr] & 0x04) << (3 + nr));
1021        w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1022
1023        /* Restore fan_min */
1024        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1025        w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1026
1027        mutex_unlock(&data->update_lock);
1028        return count;
1029}
1030
1031static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
1032static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
1033static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
1034
1035static ssize_t
1036pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
1037{
1038        int nr = to_sensor_dev_attr(devattr)->index;
1039        struct w83627hf_data *data = w83627hf_update_device(dev);
1040        return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1041}
1042
1043static ssize_t
1044pwm_store(struct device *dev, struct device_attribute *devattr,
1045          const char *buf, size_t count)
1046{
1047        int nr = to_sensor_dev_attr(devattr)->index;
1048        struct w83627hf_data *data = dev_get_drvdata(dev);
1049        unsigned long val;
1050        int err;
1051
1052        err = kstrtoul(buf, 10, &val);
1053        if (err)
1054                return err;
1055
1056        mutex_lock(&data->update_lock);
1057
1058        if (data->type == w83627thf) {
1059                /* bits 0-3 are reserved  in 627THF */
1060                data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1061                w83627hf_write_value(data,
1062                                     W836X7HF_REG_PWM(data->type, nr),
1063                                     data->pwm[nr] |
1064                                     (w83627hf_read_value(data,
1065                                     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1066        } else {
1067                data->pwm[nr] = PWM_TO_REG(val);
1068                w83627hf_write_value(data,
1069                                     W836X7HF_REG_PWM(data->type, nr),
1070                                     data->pwm[nr]);
1071        }
1072
1073        mutex_unlock(&data->update_lock);
1074        return count;
1075}
1076
1077static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
1078static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
1079static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
1080
1081static ssize_t
1082pwm_enable_show(struct device *dev, struct device_attribute *devattr,
1083                char *buf)
1084{
1085        int nr = to_sensor_dev_attr(devattr)->index;
1086        struct w83627hf_data *data = w83627hf_update_device(dev);
1087        return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1088}
1089
1090static ssize_t
1091pwm_enable_store(struct device *dev, struct device_attribute *devattr,
1092                 const char *buf, size_t count)
1093{
1094        int nr = to_sensor_dev_attr(devattr)->index;
1095        struct w83627hf_data *data = dev_get_drvdata(dev);
1096        u8 reg;
1097        unsigned long val;
1098        int err;
1099
1100        err = kstrtoul(buf, 10, &val);
1101        if (err)
1102                return err;
1103
1104        if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1105                return -EINVAL;
1106        mutex_lock(&data->update_lock);
1107        data->pwm_enable[nr] = val;
1108        reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1109        reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1110        reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1111        w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1112        mutex_unlock(&data->update_lock);
1113        return count;
1114}
1115
1116static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
1117static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
1118static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
1119
1120static ssize_t
1121pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
1122{
1123        int nr = to_sensor_dev_attr(devattr)->index;
1124        struct w83627hf_data *data = w83627hf_update_device(dev);
1125        if (data->type == w83627hf)
1126                return sprintf(buf, "%ld\n",
1127                        pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1128        else
1129                return sprintf(buf, "%ld\n",
1130                        pwm_freq_from_reg(data->pwm_freq[nr]));
1131}
1132
1133static ssize_t
1134pwm_freq_store(struct device *dev, struct device_attribute *devattr,
1135               const char *buf, size_t count)
1136{
1137        int nr = to_sensor_dev_attr(devattr)->index;
1138        struct w83627hf_data *data = dev_get_drvdata(dev);
1139        static const u8 mask[]={0xF8, 0x8F};
1140        unsigned long val;
1141        int err;
1142
1143        err = kstrtoul(buf, 10, &val);
1144        if (err)
1145                return err;
1146
1147        mutex_lock(&data->update_lock);
1148
1149        if (data->type == w83627hf) {
1150                data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1151                w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1152                                (data->pwm_freq[nr] << (nr*4)) |
1153                                (w83627hf_read_value(data,
1154                                W83627HF_REG_PWM_FREQ) & mask[nr]));
1155        } else {
1156                data->pwm_freq[nr] = pwm_freq_to_reg(val);
1157                w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1158                                data->pwm_freq[nr]);
1159        }
1160
1161        mutex_unlock(&data->update_lock);
1162        return count;
1163}
1164
1165static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
1166static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
1167static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
1168
1169static ssize_t
1170temp_type_show(struct device *dev, struct device_attribute *devattr,
1171               char *buf)
1172{
1173        int nr = to_sensor_dev_attr(devattr)->index;
1174        struct w83627hf_data *data = w83627hf_update_device(dev);
1175        return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1176}
1177
1178static ssize_t
1179temp_type_store(struct device *dev, struct device_attribute *devattr,
1180                const char *buf, size_t count)
1181{
1182        int nr = to_sensor_dev_attr(devattr)->index;
1183        struct w83627hf_data *data = dev_get_drvdata(dev);
1184        unsigned long val;
1185        u32 tmp;
1186        int err;
1187
1188        err = kstrtoul(buf, 10, &val);
1189        if (err)
1190                return err;
1191
1192        mutex_lock(&data->update_lock);
1193
1194        switch (val) {
1195        case 1:         /* PII/Celeron diode */
1196                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1197                w83627hf_write_value(data, W83781D_REG_SCFG1,
1198                                    tmp | BIT_SCFG1[nr]);
1199                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1200                w83627hf_write_value(data, W83781D_REG_SCFG2,
1201                                    tmp | BIT_SCFG2[nr]);
1202                data->sens[nr] = val;
1203                break;
1204        case 2:         /* 3904 */
1205                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1206                w83627hf_write_value(data, W83781D_REG_SCFG1,
1207                                    tmp | BIT_SCFG1[nr]);
1208                tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1209                w83627hf_write_value(data, W83781D_REG_SCFG2,
1210                                    tmp & ~BIT_SCFG2[nr]);
1211                data->sens[nr] = val;
1212                break;
1213        case W83781D_DEFAULT_BETA:
1214                dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1215                         "instead\n", W83781D_DEFAULT_BETA);
1216                fallthrough;
1217        case 4:         /* thermistor */
1218                tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1219                w83627hf_write_value(data, W83781D_REG_SCFG1,
1220                                    tmp & ~BIT_SCFG1[nr]);
1221                data->sens[nr] = val;
1222                break;
1223        default:
1224                dev_err(dev,
1225                       "Invalid sensor type %ld; must be 1, 2, or 4\n",
1226                       (long) val);
1227                break;
1228        }
1229
1230        mutex_unlock(&data->update_lock);
1231        return count;
1232}
1233
1234static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
1235static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
1236static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
1237
1238static ssize_t
1239name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1240{
1241        struct w83627hf_data *data = dev_get_drvdata(dev);
1242
1243        return sprintf(buf, "%s\n", data->name);
1244}
1245static DEVICE_ATTR_RO(name);
1246
1247static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1248                                struct w83627hf_sio_data *sio_data)
1249{
1250        int err;
1251        u16 val;
1252
1253        static __initconst char *const names[] = {
1254                "W83627HF",
1255                "W83627THF",
1256                "W83697HF",
1257                "W83637HF",
1258                "W83687THF",
1259        };
1260
1261        sio_data->sioaddr = sioaddr;
1262        err = superio_enter(sio_data);
1263        if (err)
1264                return err;
1265
1266        err = -ENODEV;
1267        val = force_id ? force_id : superio_inb(sio_data, DEVID);
1268        switch (val) {
1269        case W627_DEVID:
1270                sio_data->type = w83627hf;
1271                break;
1272        case W627THF_DEVID:
1273                sio_data->type = w83627thf;
1274                break;
1275        case W697_DEVID:
1276                sio_data->type = w83697hf;
1277                break;
1278        case W637_DEVID:
1279                sio_data->type = w83637hf;
1280                break;
1281        case W687THF_DEVID:
1282                sio_data->type = w83687thf;
1283                break;
1284        case 0xff:      /* No device at all */
1285                goto exit;
1286        default:
1287                pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1288                goto exit;
1289        }
1290
1291        superio_select(sio_data, W83627HF_LD_HWM);
1292        val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1293               superio_inb(sio_data, WINB_BASE_REG + 1);
1294        *addr = val & WINB_ALIGNMENT;
1295        if (*addr == 0) {
1296                pr_warn("Base address not set, skipping\n");
1297                goto exit;
1298        }
1299
1300        val = superio_inb(sio_data, WINB_ACT_REG);
1301        if (!(val & 0x01)) {
1302                pr_warn("Enabling HWM logical device\n");
1303                superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1304        }
1305
1306        err = 0;
1307        pr_info(DRVNAME ": Found %s chip at %#x\n",
1308                names[sio_data->type], *addr);
1309
1310 exit:
1311        superio_exit(sio_data);
1312        return err;
1313}
1314
1315#define VIN_UNIT_ATTRS(_X_)     \
1316        &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1317        &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1318        &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1319        &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1320        &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1321
1322#define FAN_UNIT_ATTRS(_X_)     \
1323        &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1324        &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1325        &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1326        &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1327        &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1328
1329#define TEMP_UNIT_ATTRS(_X_)    \
1330        &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1331        &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1332        &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1333        &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1334        &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1335        &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1336
1337static struct attribute *w83627hf_attributes[] = {
1338        &dev_attr_in0_input.attr,
1339        &dev_attr_in0_min.attr,
1340        &dev_attr_in0_max.attr,
1341        &sensor_dev_attr_in0_alarm.dev_attr.attr,
1342        &sensor_dev_attr_in0_beep.dev_attr.attr,
1343        VIN_UNIT_ATTRS(2),
1344        VIN_UNIT_ATTRS(3),
1345        VIN_UNIT_ATTRS(4),
1346        VIN_UNIT_ATTRS(7),
1347        VIN_UNIT_ATTRS(8),
1348
1349        FAN_UNIT_ATTRS(1),
1350        FAN_UNIT_ATTRS(2),
1351
1352        TEMP_UNIT_ATTRS(1),
1353        TEMP_UNIT_ATTRS(2),
1354
1355        &dev_attr_alarms.attr,
1356        &sensor_dev_attr_beep_enable.dev_attr.attr,
1357        &dev_attr_beep_mask.attr,
1358
1359        &sensor_dev_attr_pwm1.dev_attr.attr,
1360        &sensor_dev_attr_pwm2.dev_attr.attr,
1361        &dev_attr_name.attr,
1362        NULL
1363};
1364
1365static const struct attribute_group w83627hf_group = {
1366        .attrs = w83627hf_attributes,
1367};
1368
1369static struct attribute *w83627hf_attributes_opt[] = {
1370        VIN_UNIT_ATTRS(1),
1371        VIN_UNIT_ATTRS(5),
1372        VIN_UNIT_ATTRS(6),
1373
1374        FAN_UNIT_ATTRS(3),
1375        TEMP_UNIT_ATTRS(3),
1376        &sensor_dev_attr_pwm3.dev_attr.attr,
1377
1378        &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1379        &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1380        &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1381
1382        &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1383        &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1384        &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1385
1386        NULL
1387};
1388
1389static const struct attribute_group w83627hf_group_opt = {
1390        .attrs = w83627hf_attributes_opt,
1391};
1392
1393static int w83627hf_probe(struct platform_device *pdev)
1394{
1395        struct device *dev = &pdev->dev;
1396        struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1397        struct w83627hf_data *data;
1398        struct resource *res;
1399        int err, i;
1400
1401        static const char *names[] = {
1402                "w83627hf",
1403                "w83627thf",
1404                "w83697hf",
1405                "w83637hf",
1406                "w83687thf",
1407        };
1408
1409        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1410        if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1411                dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1412                        (unsigned long)res->start,
1413                        (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1414                return -EBUSY;
1415        }
1416
1417        data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1418        if (!data)
1419                return -ENOMEM;
1420
1421        data->addr = res->start;
1422        data->type = sio_data->type;
1423        data->name = names[sio_data->type];
1424        mutex_init(&data->lock);
1425        mutex_init(&data->update_lock);
1426        platform_set_drvdata(pdev, data);
1427
1428        /* Initialize the chip */
1429        w83627hf_init_device(pdev);
1430
1431        /* A few vars need to be filled upon startup */
1432        for (i = 0; i <= 2; i++)
1433                data->fan_min[i] = w83627hf_read_value(
1434                                        data, W83627HF_REG_FAN_MIN(i));
1435        w83627hf_update_fan_div(data);
1436
1437        /* Register common device attributes */
1438        err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1439        if (err)
1440                return err;
1441
1442        /* Register chip-specific device attributes */
1443        if (data->type == w83627hf || data->type == w83697hf)
1444                if ((err = device_create_file(dev,
1445                                &sensor_dev_attr_in5_input.dev_attr))
1446                 || (err = device_create_file(dev,
1447                                &sensor_dev_attr_in5_min.dev_attr))
1448                 || (err = device_create_file(dev,
1449                                &sensor_dev_attr_in5_max.dev_attr))
1450                 || (err = device_create_file(dev,
1451                                &sensor_dev_attr_in5_alarm.dev_attr))
1452                 || (err = device_create_file(dev,
1453                                &sensor_dev_attr_in5_beep.dev_attr))
1454                 || (err = device_create_file(dev,
1455                                &sensor_dev_attr_in6_input.dev_attr))
1456                 || (err = device_create_file(dev,
1457                                &sensor_dev_attr_in6_min.dev_attr))
1458                 || (err = device_create_file(dev,
1459                                &sensor_dev_attr_in6_max.dev_attr))
1460                 || (err = device_create_file(dev,
1461                                &sensor_dev_attr_in6_alarm.dev_attr))
1462                 || (err = device_create_file(dev,
1463                                &sensor_dev_attr_in6_beep.dev_attr))
1464                 || (err = device_create_file(dev,
1465                                &sensor_dev_attr_pwm1_freq.dev_attr))
1466                 || (err = device_create_file(dev,
1467                                &sensor_dev_attr_pwm2_freq.dev_attr)))
1468                        goto error;
1469
1470        if (data->type != w83697hf)
1471                if ((err = device_create_file(dev,
1472                                &sensor_dev_attr_in1_input.dev_attr))
1473                 || (err = device_create_file(dev,
1474                                &sensor_dev_attr_in1_min.dev_attr))
1475                 || (err = device_create_file(dev,
1476                                &sensor_dev_attr_in1_max.dev_attr))
1477                 || (err = device_create_file(dev,
1478                                &sensor_dev_attr_in1_alarm.dev_attr))
1479                 || (err = device_create_file(dev,
1480                                &sensor_dev_attr_in1_beep.dev_attr))
1481                 || (err = device_create_file(dev,
1482                                &sensor_dev_attr_fan3_input.dev_attr))
1483                 || (err = device_create_file(dev,
1484                                &sensor_dev_attr_fan3_min.dev_attr))
1485                 || (err = device_create_file(dev,
1486                                &sensor_dev_attr_fan3_div.dev_attr))
1487                 || (err = device_create_file(dev,
1488                                &sensor_dev_attr_fan3_alarm.dev_attr))
1489                 || (err = device_create_file(dev,
1490                                &sensor_dev_attr_fan3_beep.dev_attr))
1491                 || (err = device_create_file(dev,
1492                                &sensor_dev_attr_temp3_input.dev_attr))
1493                 || (err = device_create_file(dev,
1494                                &sensor_dev_attr_temp3_max.dev_attr))
1495                 || (err = device_create_file(dev,
1496                                &sensor_dev_attr_temp3_max_hyst.dev_attr))
1497                 || (err = device_create_file(dev,
1498                                &sensor_dev_attr_temp3_alarm.dev_attr))
1499                 || (err = device_create_file(dev,
1500                                &sensor_dev_attr_temp3_beep.dev_attr))
1501                 || (err = device_create_file(dev,
1502                                &sensor_dev_attr_temp3_type.dev_attr)))
1503                        goto error;
1504
1505        if (data->type != w83697hf && data->vid != 0xff) {
1506                /* Convert VID to voltage based on VRM */
1507                data->vrm = vid_which_vrm();
1508
1509                if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1510                 || (err = device_create_file(dev, &dev_attr_vrm)))
1511                        goto error;
1512        }
1513
1514        if (data->type == w83627thf || data->type == w83637hf
1515            || data->type == w83687thf) {
1516                err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1517                if (err)
1518                        goto error;
1519        }
1520
1521        if (data->type == w83637hf || data->type == w83687thf)
1522                if ((err = device_create_file(dev,
1523                                &sensor_dev_attr_pwm1_freq.dev_attr))
1524                 || (err = device_create_file(dev,
1525                                &sensor_dev_attr_pwm2_freq.dev_attr))
1526                 || (err = device_create_file(dev,
1527                                &sensor_dev_attr_pwm3_freq.dev_attr)))
1528                        goto error;
1529
1530        if (data->type != w83627hf)
1531                if ((err = device_create_file(dev,
1532                                &sensor_dev_attr_pwm1_enable.dev_attr))
1533                 || (err = device_create_file(dev,
1534                                &sensor_dev_attr_pwm2_enable.dev_attr)))
1535                        goto error;
1536
1537        if (data->type == w83627thf || data->type == w83637hf
1538            || data->type == w83687thf) {
1539                err = device_create_file(dev,
1540                                         &sensor_dev_attr_pwm3_enable.dev_attr);
1541                if (err)
1542                        goto error;
1543        }
1544
1545        data->hwmon_dev = hwmon_device_register(dev);
1546        if (IS_ERR(data->hwmon_dev)) {
1547                err = PTR_ERR(data->hwmon_dev);
1548                goto error;
1549        }
1550
1551        return 0;
1552
1553 error:
1554        sysfs_remove_group(&dev->kobj, &w83627hf_group);
1555        sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1556        return err;
1557}
1558
1559static int w83627hf_remove(struct platform_device *pdev)
1560{
1561        struct w83627hf_data *data = platform_get_drvdata(pdev);
1562
1563        hwmon_device_unregister(data->hwmon_dev);
1564
1565        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1566        sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1567
1568        return 0;
1569}
1570
1571/* Registers 0x50-0x5f are banked */
1572static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1573{
1574        if ((reg & 0x00f0) == 0x50) {
1575                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1576                outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1577        }
1578}
1579
1580/* Not strictly necessary, but play it safe for now */
1581static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1582{
1583        if (reg & 0xff00) {
1584                outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1585                outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1586        }
1587}
1588
1589static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1590{
1591        int res, word_sized;
1592
1593        mutex_lock(&data->lock);
1594        word_sized = (((reg & 0xff00) == 0x100)
1595                   || ((reg & 0xff00) == 0x200))
1596                  && (((reg & 0x00ff) == 0x50)
1597                   || ((reg & 0x00ff) == 0x53)
1598                   || ((reg & 0x00ff) == 0x55));
1599        w83627hf_set_bank(data, reg);
1600        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1601        res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1602        if (word_sized) {
1603                outb_p((reg & 0xff) + 1,
1604                       data->addr + W83781D_ADDR_REG_OFFSET);
1605                res =
1606                    (res << 8) + inb_p(data->addr +
1607                                       W83781D_DATA_REG_OFFSET);
1608        }
1609        w83627hf_reset_bank(data, reg);
1610        mutex_unlock(&data->lock);
1611        return res;
1612}
1613
1614static int w83627thf_read_gpio5(struct platform_device *pdev)
1615{
1616        struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1617        int res = 0xff, sel;
1618
1619        if (superio_enter(sio_data)) {
1620                /*
1621                 * Some other driver reserved the address space for itself.
1622                 * We don't want to fail driver instantiation because of that,
1623                 * so display a warning and keep going.
1624                 */
1625                dev_warn(&pdev->dev,
1626                         "Can not read VID data: Failed to enable SuperIO access\n");
1627                return res;
1628        }
1629
1630        superio_select(sio_data, W83627HF_LD_GPIO5);
1631
1632        res = 0xff;
1633
1634        /* Make sure these GPIO pins are enabled */
1635        if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1636                dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1637                goto exit;
1638        }
1639
1640        /*
1641         * Make sure the pins are configured for input
1642         * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1643         */
1644        sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1645        if ((sel & 0x1f) != 0x1f) {
1646                dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1647                        "function\n");
1648                goto exit;
1649        }
1650
1651        dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1652        res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1653
1654exit:
1655        superio_exit(sio_data);
1656        return res;
1657}
1658
1659static int w83687thf_read_vid(struct platform_device *pdev)
1660{
1661        struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1662        int res = 0xff;
1663
1664        if (superio_enter(sio_data)) {
1665                /*
1666                 * Some other driver reserved the address space for itself.
1667                 * We don't want to fail driver instantiation because of that,
1668                 * so display a warning and keep going.
1669                 */
1670                dev_warn(&pdev->dev,
1671                         "Can not read VID data: Failed to enable SuperIO access\n");
1672                return res;
1673        }
1674
1675        superio_select(sio_data, W83627HF_LD_HWM);
1676
1677        /* Make sure these GPIO pins are enabled */
1678        if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1679                dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1680                goto exit;
1681        }
1682
1683        /* Make sure the pins are configured for input */
1684        if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1685                dev_dbg(&pdev->dev, "VID configured as output, "
1686                        "no VID function\n");
1687                goto exit;
1688        }
1689
1690        res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1691
1692exit:
1693        superio_exit(sio_data);
1694        return res;
1695}
1696
1697static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1698{
1699        int word_sized;
1700
1701        mutex_lock(&data->lock);
1702        word_sized = (((reg & 0xff00) == 0x100)
1703                   || ((reg & 0xff00) == 0x200))
1704                  && (((reg & 0x00ff) == 0x53)
1705                   || ((reg & 0x00ff) == 0x55));
1706        w83627hf_set_bank(data, reg);
1707        outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1708        if (word_sized) {
1709                outb_p(value >> 8,
1710                       data->addr + W83781D_DATA_REG_OFFSET);
1711                outb_p((reg & 0xff) + 1,
1712                       data->addr + W83781D_ADDR_REG_OFFSET);
1713        }
1714        outb_p(value & 0xff,
1715               data->addr + W83781D_DATA_REG_OFFSET);
1716        w83627hf_reset_bank(data, reg);
1717        mutex_unlock(&data->lock);
1718        return 0;
1719}
1720
1721static void w83627hf_init_device(struct platform_device *pdev)
1722{
1723        struct w83627hf_data *data = platform_get_drvdata(pdev);
1724        int i;
1725        enum chips type = data->type;
1726        u8 tmp;
1727
1728        /* Minimize conflicts with other winbond i2c-only clients...  */
1729        /* disable i2c subclients... how to disable main i2c client?? */
1730        /* force i2c address to relatively uncommon address */
1731        if (type == w83627hf) {
1732                w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1733                w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1734        }
1735
1736        /* Read VID only once */
1737        if (type == w83627hf || type == w83637hf) {
1738                int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1739                int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1740                data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1741        } else if (type == w83627thf) {
1742                data->vid = w83627thf_read_gpio5(pdev);
1743        } else if (type == w83687thf) {
1744                data->vid = w83687thf_read_vid(pdev);
1745        }
1746
1747        /* Read VRM & OVT Config only once */
1748        if (type == w83627thf || type == w83637hf || type == w83687thf) {
1749                data->vrm_ovt = 
1750                        w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1751        }
1752
1753        tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1754        for (i = 1; i <= 3; i++) {
1755                if (!(tmp & BIT_SCFG1[i - 1])) {
1756                        data->sens[i - 1] = 4;
1757                } else {
1758                        if (w83627hf_read_value
1759                            (data,
1760                             W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1761                                data->sens[i - 1] = 1;
1762                        else
1763                                data->sens[i - 1] = 2;
1764                }
1765                if ((type == w83697hf) && (i == 2))
1766                        break;
1767        }
1768
1769        if(init) {
1770                /* Enable temp2 */
1771                tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1772                if (tmp & 0x01) {
1773                        dev_warn(&pdev->dev, "Enabling temp2, readings "
1774                                 "might not make sense\n");
1775                        w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1776                                tmp & 0xfe);
1777                }
1778
1779                /* Enable temp3 */
1780                if (type != w83697hf) {
1781                        tmp = w83627hf_read_value(data,
1782                                W83627HF_REG_TEMP3_CONFIG);
1783                        if (tmp & 0x01) {
1784                                dev_warn(&pdev->dev, "Enabling temp3, "
1785                                         "readings might not make sense\n");
1786                                w83627hf_write_value(data,
1787                                        W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1788                        }
1789                }
1790        }
1791
1792        /* Start monitoring */
1793        w83627hf_write_value(data, W83781D_REG_CONFIG,
1794                            (w83627hf_read_value(data,
1795                                                W83781D_REG_CONFIG) & 0xf7)
1796                            | 0x01);
1797
1798        /* Enable VBAT monitoring if needed */
1799        tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1800        if (!(tmp & 0x01))
1801                w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1802}
1803
1804static void w83627hf_update_fan_div(struct w83627hf_data *data)
1805{
1806        int reg;
1807
1808        reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1809        data->fan_div[0] = (reg >> 4) & 0x03;
1810        data->fan_div[1] = (reg >> 6) & 0x03;
1811        if (data->type != w83697hf) {
1812                data->fan_div[2] = (w83627hf_read_value(data,
1813                                       W83781D_REG_PIN) >> 6) & 0x03;
1814        }
1815        reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1816        data->fan_div[0] |= (reg >> 3) & 0x04;
1817        data->fan_div[1] |= (reg >> 4) & 0x04;
1818        if (data->type != w83697hf)
1819                data->fan_div[2] |= (reg >> 5) & 0x04;
1820}
1821
1822static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1823{
1824        struct w83627hf_data *data = dev_get_drvdata(dev);
1825        int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1826        int num_pwms = (data->type == w83697hf) ? 2 : 3;
1827
1828        mutex_lock(&data->update_lock);
1829
1830        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1831            || !data->valid) {
1832                for (i = 0; i <= 8; i++) {
1833                        /* skip missing sensors */
1834                        if (((data->type == w83697hf) && (i == 1)) ||
1835                            ((data->type != w83627hf && data->type != w83697hf)
1836                            && (i == 5 || i == 6)))
1837                                continue;
1838                        data->in[i] =
1839                            w83627hf_read_value(data, W83781D_REG_IN(i));
1840                        data->in_min[i] =
1841                            w83627hf_read_value(data,
1842                                               W83781D_REG_IN_MIN(i));
1843                        data->in_max[i] =
1844                            w83627hf_read_value(data,
1845                                               W83781D_REG_IN_MAX(i));
1846                }
1847                for (i = 0; i <= 2; i++) {
1848                        data->fan[i] =
1849                            w83627hf_read_value(data, W83627HF_REG_FAN(i));
1850                        data->fan_min[i] =
1851                            w83627hf_read_value(data,
1852                                               W83627HF_REG_FAN_MIN(i));
1853                }
1854                for (i = 0; i <= 2; i++) {
1855                        u8 tmp = w83627hf_read_value(data,
1856                                W836X7HF_REG_PWM(data->type, i));
1857                        /* bits 0-3 are reserved  in 627THF */
1858                        if (data->type == w83627thf)
1859                                tmp &= 0xf0;
1860                        data->pwm[i] = tmp;
1861                        if (i == 1 &&
1862                            (data->type == w83627hf || data->type == w83697hf))
1863                                break;
1864                }
1865                if (data->type == w83627hf) {
1866                                u8 tmp = w83627hf_read_value(data,
1867                                                W83627HF_REG_PWM_FREQ);
1868                                data->pwm_freq[0] = tmp & 0x07;
1869                                data->pwm_freq[1] = (tmp >> 4) & 0x07;
1870                } else if (data->type != w83627thf) {
1871                        for (i = 1; i <= 3; i++) {
1872                                data->pwm_freq[i - 1] =
1873                                        w83627hf_read_value(data,
1874                                                W83637HF_REG_PWM_FREQ[i - 1]);
1875                                if (i == 2 && (data->type == w83697hf))
1876                                        break;
1877                        }
1878                }
1879                if (data->type != w83627hf) {
1880                        for (i = 0; i < num_pwms; i++) {
1881                                u8 tmp = w83627hf_read_value(data,
1882                                        W83627THF_REG_PWM_ENABLE[i]);
1883                                data->pwm_enable[i] =
1884                                        ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1885                                        & 0x03) + 1;
1886                        }
1887                }
1888                for (i = 0; i < num_temps; i++) {
1889                        data->temp[i] = w83627hf_read_value(
1890                                                data, w83627hf_reg_temp[i]);
1891                        data->temp_max[i] = w83627hf_read_value(
1892                                                data, w83627hf_reg_temp_over[i]);
1893                        data->temp_max_hyst[i] = w83627hf_read_value(
1894                                                data, w83627hf_reg_temp_hyst[i]);
1895                }
1896
1897                w83627hf_update_fan_div(data);
1898
1899                data->alarms =
1900                    w83627hf_read_value(data, W83781D_REG_ALARM1) |
1901                    (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1902                    (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1903                i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1904                data->beep_mask = (i << 8) |
1905                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1906                    w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1907                data->last_updated = jiffies;
1908                data->valid = 1;
1909        }
1910
1911        mutex_unlock(&data->update_lock);
1912
1913        return data;
1914}
1915
1916static int __init w83627hf_device_add(unsigned short address,
1917                                      const struct w83627hf_sio_data *sio_data)
1918{
1919        struct resource res = {
1920                .start  = address + WINB_REGION_OFFSET,
1921                .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1922                .name   = DRVNAME,
1923                .flags  = IORESOURCE_IO,
1924        };
1925        int err;
1926
1927        err = acpi_check_resource_conflict(&res);
1928        if (err)
1929                goto exit;
1930
1931        pdev = platform_device_alloc(DRVNAME, address);
1932        if (!pdev) {
1933                err = -ENOMEM;
1934                pr_err("Device allocation failed\n");
1935                goto exit;
1936        }
1937
1938        err = platform_device_add_resources(pdev, &res, 1);
1939        if (err) {
1940                pr_err("Device resource addition failed (%d)\n", err);
1941                goto exit_device_put;
1942        }
1943
1944        err = platform_device_add_data(pdev, sio_data,
1945                                       sizeof(struct w83627hf_sio_data));
1946        if (err) {
1947                pr_err("Platform data allocation failed\n");
1948                goto exit_device_put;
1949        }
1950
1951        err = platform_device_add(pdev);
1952        if (err) {
1953                pr_err("Device addition failed (%d)\n", err);
1954                goto exit_device_put;
1955        }
1956
1957        return 0;
1958
1959exit_device_put:
1960        platform_device_put(pdev);
1961exit:
1962        return err;
1963}
1964
1965static int __init sensors_w83627hf_init(void)
1966{
1967        int err;
1968        unsigned short address;
1969        struct w83627hf_sio_data sio_data;
1970
1971        if (w83627hf_find(0x2e, &address, &sio_data)
1972         && w83627hf_find(0x4e, &address, &sio_data))
1973                return -ENODEV;
1974
1975        err = platform_driver_register(&w83627hf_driver);
1976        if (err)
1977                goto exit;
1978
1979        /* Sets global pdev as a side effect */
1980        err = w83627hf_device_add(address, &sio_data);
1981        if (err)
1982                goto exit_driver;
1983
1984        return 0;
1985
1986exit_driver:
1987        platform_driver_unregister(&w83627hf_driver);
1988exit:
1989        return err;
1990}
1991
1992static void __exit sensors_w83627hf_exit(void)
1993{
1994        platform_device_unregister(pdev);
1995        platform_driver_unregister(&w83627hf_driver);
1996}
1997
1998MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1999              "Philip Edelbrock <phil@netroedge.com>, "
2000              "and Mark Studebaker <mdsxyz123@yahoo.com>");
2001MODULE_DESCRIPTION("W83627HF driver");
2002MODULE_LICENSE("GPL");
2003
2004module_init(sensors_w83627hf_init);
2005module_exit(sensors_w83627hf_exit);
2006