drivers/hwmon/w83627hf.c

   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
  46 static struct platform_device *pdev;
  47
  48 #define DRVNAME "w83627hf"
  49 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  50
  51 struct w83627hf_sio_data {
  52         enum chips type;
  53         int sioaddr;
  54 };
  55
  56 static u8 force_i2c = 0x1f;
  57 module_param(force_i2c, byte, 0);
  58 MODULE_PARM_DESC(force_i2c,
  59                  "Initialize the i2c address of the sensors");
  60
  61 static bool init = 1;
  62 module_param(init, bool, 0);
  63 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  64
  65 static unsigned short force_id;
  66 module_param(force_id, ushort, 0);
  67 MODULE_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
  99 static inline void
 100 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 101 {
 102         outb(reg, sio->sioaddr);
 103         outb(val, sio->sioaddr + 1);
 104 }
 105
 106 static inline int
 107 superio_inb(struct w83627hf_sio_data *sio, int reg)
 108 {
 109         outb(reg, sio->sioaddr);
 110         return inb(sio->sioaddr + 1);
 111 }
 112
 113 static inline void
 114 superio_select(struct w83627hf_sio_data *sio, int ld)
 115 {
 116         outb(DEV, sio->sioaddr);
 117         outb(ld,  sio->sioaddr + 1);
 118 }
 119
 120 static inline int
 121 superio_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
 132 static inline void
 133 superio_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 */
 175 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 176 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 177 static 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
 203 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 204         0x04,           /* FAN 1 mode */
 205         0x04,           /* FAN 2 mode */
 206         0x12,           /* FAN AUX mode */
 207 };
 208 static 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
 216 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 217 static 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
 228 static 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
 239 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 240 #define W83781D_REG_SCFG2 0x59
 241 static 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
 253 static 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  */
 268 static 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
 275 static 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
 284 static 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 }
 290 static 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
 305 static inline unsigned long pwm_freq_from_reg(u8 reg)
 306 {
 307         /* Clock bit 8 -> 180 kHz or 24 MHz */
 308         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 309
 310         reg &= 0x7f;
 311         /* This should not happen but anyway... */
 312         if (reg == 0)
 313                 reg++;
 314         return clock / (reg << 8);
 315 }
 316 static inline u8 pwm_freq_to_reg(unsigned long val)
 317 {
 318         /* Minimum divider value is 0x01 and maximum is 0x7F */
 319         if (val >= 93750)       /* The highest we can do */
 320                 return 0x01;
 321         if (val >= 720) /* Use 24 MHz clock */
 322                 return 24000000UL / (val << 8);
 323         if (val < 6)            /* The lowest we can do */
 324                 return 0xFF;
 325         else                    /* Use 180 kHz clock */
 326                 return 0x80 | (180000UL / (val << 8));
 327 }
 328
 329 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 330 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 331
 332 #define DIV_FROM_REG(val) (1 << (val))
 333
 334 static inline u8 DIV_TO_REG(long val)
 335 {
 336         int i;
 337         val = 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  */
 350 struct 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         bool valid;             /* true 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
 392 /* Registers 0x50-0x5f are banked */
 393 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
 394 {
 395         if ((reg & 0x00f0) == 0x50) {
 396                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
 397                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
 398         }
 399 }
 400
 401 /* Not strictly necessary, but play it safe for now */
 402 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
 403 {
 404         if (reg & 0xff00) {
 405                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
 406                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
 407         }
 408 }
 409
 410 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 411 {
 412         int res, word_sized;
 413
 414         mutex_lock(&data->lock);
 415         word_sized = (((reg & 0xff00) == 0x100)
 416                    || ((reg & 0xff00) == 0x200))
 417                   && (((reg & 0x00ff) == 0x50)
 418                    || ((reg & 0x00ff) == 0x53)
 419                    || ((reg & 0x00ff) == 0x55));
 420         w83627hf_set_bank(data, reg);
 421         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
 422         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
 423         if (word_sized) {
 424                 outb_p((reg & 0xff) + 1,
 425                        data->addr + W83781D_ADDR_REG_OFFSET);
 426                 res =
 427                     (res << 8) + inb_p(data->addr +
 428                                        W83781D_DATA_REG_OFFSET);
 429         }
 430         w83627hf_reset_bank(data, reg);
 431         mutex_unlock(&data->lock);
 432         return res;
 433 }
 434
 435 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
 436 {
 437         int word_sized;
 438
 439         mutex_lock(&data->lock);
 440         word_sized = (((reg & 0xff00) == 0x100)
 441                    || ((reg & 0xff00) == 0x200))
 442                   && (((reg & 0x00ff) == 0x53)
 443                    || ((reg & 0x00ff) == 0x55));
 444         w83627hf_set_bank(data, reg);
 445         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
 446         if (word_sized) {
 447                 outb_p(value >> 8,
 448                        data->addr + W83781D_DATA_REG_OFFSET);
 449                 outb_p((reg & 0xff) + 1,
 450                        data->addr + W83781D_ADDR_REG_OFFSET);
 451         }
 452         outb_p(value & 0xff,
 453                data->addr + W83781D_DATA_REG_OFFSET);
 454         w83627hf_reset_bank(data, reg);
 455         mutex_unlock(&data->lock);
 456         return 0;
 457 }
 458
 459 static void w83627hf_update_fan_div(struct w83627hf_data *data)
 460 {
 461         int reg;
 462
 463         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
 464         data->fan_div[0] = (reg >> 4) & 0x03;
 465         data->fan_div[1] = (reg >> 6) & 0x03;
 466         if (data->type != w83697hf) {
 467                 data->fan_div[2] = (w83627hf_read_value(data,
 468                                        W83781D_REG_PIN) >> 6) & 0x03;
 469         }
 470         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
 471         data->fan_div[0] |= (reg >> 3) & 0x04;
 472         data->fan_div[1] |= (reg >> 4) & 0x04;
 473         if (data->type != w83697hf)
 474                 data->fan_div[2] |= (reg >> 5) & 0x04;
 475 }
 476
 477 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
 478 {
 479         struct w83627hf_data *data = dev_get_drvdata(dev);
 480         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 481         int num_pwms = (data->type == w83697hf) ? 2 : 3;
 482
 483         mutex_lock(&data->update_lock);
 484
 485         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
 486             || !data->valid) {
 487                 for (i = 0; i <= 8; i++) {
 488                         /* skip missing sensors */
 489                         if (((data->type == w83697hf) && (i == 1)) ||
 490                             ((data->type != w83627hf && data->type != w83697hf)
 491                             && (i == 5 || i == 6)))
 492                                 continue;
 493                         data->in[i] =
 494                             w83627hf_read_value(data, W83781D_REG_IN(i));
 495                         data->in_min[i] =
 496                             w83627hf_read_value(data,
 497                                                W83781D_REG_IN_MIN(i));
 498                         data->in_max[i] =
 499                             w83627hf_read_value(data,
 500                                                W83781D_REG_IN_MAX(i));
 501                 }
 502                 for (i = 0; i <= 2; i++) {
 503                         data->fan[i] =
 504                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
 505                         data->fan_min[i] =
 506                             w83627hf_read_value(data,
 507                                                W83627HF_REG_FAN_MIN(i));
 508                 }
 509                 for (i = 0; i <= 2; i++) {
 510                         u8 tmp = w83627hf_read_value(data,
 511                                 W836X7HF_REG_PWM(data->type, i));
 512                         /* bits 0-3 are reserved  in 627THF */
 513                         if (data->type == w83627thf)
 514                                 tmp &= 0xf0;
 515                         data->pwm[i] = tmp;
 516                         if (i == 1 &&
 517                             (data->type == w83627hf || data->type == w83697hf))
 518                                 break;
 519                 }
 520                 if (data->type == w83627hf) {
 521                                 u8 tmp = w83627hf_read_value(data,
 522                                                 W83627HF_REG_PWM_FREQ);
 523                                 data->pwm_freq[0] = tmp & 0x07;
 524                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
 525                 } else if (data->type != w83627thf) {
 526                         for (i = 1; i <= 3; i++) {
 527                                 data->pwm_freq[i - 1] =
 528                                         w83627hf_read_value(data,
 529                                                 W83637HF_REG_PWM_FREQ[i - 1]);
 530                                 if (i == 2 && (data->type == w83697hf))
 531                                         break;
 532                         }
 533                 }
 534                 if (data->type != w83627hf) {
 535                         for (i = 0; i < num_pwms; i++) {
 536                                 u8 tmp = w83627hf_read_value(data,
 537                                         W83627THF_REG_PWM_ENABLE[i]);
 538                                 data->pwm_enable[i] =
 539                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
 540                                         & 0x03) + 1;
 541                         }
 542                 }
 543                 for (i = 0; i < num_temps; i++) {
 544                         data->temp[i] = w83627hf_read_value(
 545                                                 data, w83627hf_reg_temp[i]);
 546                         data->temp_max[i] = w83627hf_read_value(
 547                                                 data, w83627hf_reg_temp_over[i]);
 548                         data->temp_max_hyst[i] = w83627hf_read_value(
 549                                                 data, w83627hf_reg_temp_hyst[i]);
 550                 }
 551
 552                 w83627hf_update_fan_div(data);
 553
 554                 data->alarms =
 555                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
 556                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
 557                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
 558                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 559                 data->beep_mask = (i << 8) |
 560                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
 561                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
 562                 data->last_updated = jiffies;
 563                 data->valid = true;
 564         }
 565
 566         mutex_unlock(&data->update_lock);
 567
 568         return data;
 569 }
 570
 571 #ifdef CONFIG_PM
 572 static int w83627hf_suspend(struct device *dev)
 573 {
 574         struct w83627hf_data *data = w83627hf_update_device(dev);
 575
 576         mutex_lock(&data->update_lock);
 577         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 578         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 579         mutex_unlock(&data->update_lock);
 580
 581         return 0;
 582 }
 583
 584 static int w83627hf_resume(struct device *dev)
 585 {
 586         struct w83627hf_data *data = dev_get_drvdata(dev);
 587         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 588
 589         /* Restore limits */
 590         mutex_lock(&data->update_lock);
 591         for (i = 0; i <= 8; i++) {
 592                 /* skip missing sensors */
 593                 if (((data->type == w83697hf) && (i == 1)) ||
 594                     ((data->type != w83627hf && data->type != w83697hf)
 595                     && (i == 5 || i == 6)))
 596                         continue;
 597                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 598                                      data->in_max[i]);
 599                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 600                                      data->in_min[i]);
 601         }
 602         for (i = 0; i <= 2; i++)
 603                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 604                                      data->fan_min[i]);
 605         for (i = 0; i < num_temps; i++) {
 606                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 607                                      data->temp_max[i]);
 608                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 609                                      data->temp_max_hyst[i]);
 610         }
 611
 612         /* Fixup BIOS bugs */
 613         if (data->type == w83627thf || data->type == w83637hf ||
 614             data->type == w83687thf)
 615                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 616                                      data->vrm_ovt);
 617         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 618         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 619
 620         /* Force re-reading all values */
 621         data->valid = false;
 622         mutex_unlock(&data->update_lock);
 623
 624         return 0;
 625 }
 626
 627 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 628         .suspend = w83627hf_suspend,
 629         .resume = w83627hf_resume,
 630 };
 631
 632 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 633 #else
 634 #define W83627HF_DEV_PM_OPS     NULL
 635 #endif /* CONFIG_PM */
 636
 637 static int w83627thf_read_gpio5(struct platform_device *pdev)
 638 {
 639         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
 640         int res = 0xff, sel;
 641
 642         if (superio_enter(sio_data)) {
 643                 /*
 644                  * Some other driver reserved the address space for itself.
 645                  * We don't want to fail driver instantiation because of that,
 646                  * so display a warning and keep going.
 647                  */
 648                 dev_warn(&pdev->dev,
 649                          "Can not read VID data: Failed to enable SuperIO access\n");
 650                 return res;
 651         }
 652
 653         superio_select(sio_data, W83627HF_LD_GPIO5);
 654
 655         res = 0xff;
 656
 657         /* Make sure these GPIO pins are enabled */
 658         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
 659                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
 660                 goto exit;
 661         }
 662
 663         /*
 664          * Make sure the pins are configured for input
 665          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
 666          */
 667         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
 668         if ((sel & 0x1f) != 0x1f) {
 669                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
 670                         "function\n");
 671                 goto exit;
 672         }
 673
 674         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
 675         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
 676
 677 exit:
 678         superio_exit(sio_data);
 679         return res;
 680 }
 681
 682 static int w83687thf_read_vid(struct platform_device *pdev)
 683 {
 684         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
 685         int res = 0xff;
 686
 687         if (superio_enter(sio_data)) {
 688                 /*
 689                  * Some other driver reserved the address space for itself.
 690                  * We don't want to fail driver instantiation because of that,
 691                  * so display a warning and keep going.
 692                  */
 693                 dev_warn(&pdev->dev,
 694                          "Can not read VID data: Failed to enable SuperIO access\n");
 695                 return res;
 696         }
 697
 698         superio_select(sio_data, W83627HF_LD_HWM);
 699
 700         /* Make sure these GPIO pins are enabled */
 701         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
 702                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
 703                 goto exit;
 704         }
 705
 706         /* Make sure the pins are configured for input */
 707         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
 708                 dev_dbg(&pdev->dev, "VID configured as output, "
 709                         "no VID function\n");
 710                 goto exit;
 711         }
 712
 713         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
 714
 715 exit:
 716         superio_exit(sio_data);
 717         return res;
 718 }
 719
 720 static void w83627hf_init_device(struct platform_device *pdev)
 721 {
 722         struct w83627hf_data *data = platform_get_drvdata(pdev);
 723         int i;
 724         enum chips type = data->type;
 725         u8 tmp;
 726
 727         /* Minimize conflicts with other winbond i2c-only clients...  */
 728         /* disable i2c subclients... how to disable main i2c client?? */
 729         /* force i2c address to relatively uncommon address */
 730         if (type == w83627hf) {
 731                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
 732                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
 733         }
 734
 735         /* Read VID only once */
 736         if (type == w83627hf || type == w83637hf) {
 737                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
 738                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
 739                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
 740         } else if (type == w83627thf) {
 741                 data->vid = w83627thf_read_gpio5(pdev);
 742         } else if (type == w83687thf) {
 743                 data->vid = w83687thf_read_vid(pdev);
 744         }
 745
 746         /* Read VRM & OVT Config only once */
 747         if (type == w83627thf || type == w83637hf || type == w83687thf) {
 748                 data->vrm_ovt =
 749                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
 750         }
 751
 752         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
 753         for (i = 1; i <= 3; i++) {
 754                 if (!(tmp & BIT_SCFG1[i - 1])) {
 755                         data->sens[i - 1] = 4;
 756                 } else {
 757                         if (w83627hf_read_value
 758                             (data,
 759                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
 760                                 data->sens[i - 1] = 1;
 761                         else
 762                                 data->sens[i - 1] = 2;
 763                 }
 764                 if ((type == w83697hf) && (i == 2))
 765                         break;
 766         }
 767
 768         if(init) {
 769                 /* Enable temp2 */
 770                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
 771                 if (tmp & 0x01) {
 772                         dev_warn(&pdev->dev, "Enabling temp2, readings "
 773                                  "might not make sense\n");
 774                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
 775                                 tmp & 0xfe);
 776                 }
 777
 778                 /* Enable temp3 */
 779                 if (type != w83697hf) {
 780                         tmp = w83627hf_read_value(data,
 781                                 W83627HF_REG_TEMP3_CONFIG);
 782                         if (tmp & 0x01) {
 783                                 dev_warn(&pdev->dev, "Enabling temp3, "
 784                                          "readings might not make sense\n");
 785                                 w83627hf_write_value(data,
 786                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
 787                         }
 788                 }
 789         }
 790
 791         /* Start monitoring */
 792         w83627hf_write_value(data, W83781D_REG_CONFIG,
 793                             (w83627hf_read_value(data,
 794                                                 W83781D_REG_CONFIG) & 0xf7)
 795                             | 0x01);
 796
 797         /* Enable VBAT monitoring if needed */
 798         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
 799         if (!(tmp & 0x01))
 800                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
 801 }
 802
 803 /* use a different set of functions for in0 */
 804 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 805 {
 806         long in0;
 807
 808         if ((data->vrm_ovt & 0x01) &&
 809                 (w83627thf == data->type || w83637hf == data->type
 810                  || w83687thf == data->type))
 811
 812                 /* use VRM9 calculation */
 813                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 814         else
 815                 /* use VRM8 (standard) calculation */
 816                 in0 = (long)IN_FROM_REG(reg);
 817
 818         return sprintf(buf,"%ld\n", in0);
 819 }
 820
 821 static ssize_t in0_input_show(struct device *dev,
 822                               struct device_attribute *attr, char *buf)
 823 {
 824         struct w83627hf_data *data = w83627hf_update_device(dev);
 825         return show_in_0(data, buf, data->in[0]);
 826 }
 827 static DEVICE_ATTR_RO(in0_input);
 828
 829 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
 830                             char *buf)
 831 {
 832         struct w83627hf_data *data = w83627hf_update_device(dev);
 833         return show_in_0(data, buf, data->in_min[0]);
 834 }
 835
 836 static ssize_t in0_min_store(struct device *dev,
 837                              struct device_attribute *attr, const char *buf,
 838                              size_t count)
 839 {
 840         struct w83627hf_data *data = dev_get_drvdata(dev);
 841         unsigned long val;
 842         int err;
 843
 844         err = kstrtoul(buf, 10, &val);
 845         if (err)
 846                 return err;
 847
 848         mutex_lock(&data->update_lock);
 849
 850         if ((data->vrm_ovt & 0x01) &&
 851                 (w83627thf == data->type || w83637hf == data->type
 852                  || w83687thf == data->type))
 853
 854                 /* use VRM9 calculation */
 855                 data->in_min[0] =
 856                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 857         else
 858                 /* use VRM8 (standard) calculation */
 859                 data->in_min[0] = IN_TO_REG(val);
 860
 861         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 862         mutex_unlock(&data->update_lock);
 863         return count;
 864 }
 865
 866 static DEVICE_ATTR_RW(in0_min);
 867
 868 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
 869                             char *buf)
 870 {
 871         struct w83627hf_data *data = w83627hf_update_device(dev);
 872         return show_in_0(data, buf, data->in_max[0]);
 873 }
 874
 875 static ssize_t in0_max_store(struct device *dev,
 876                              struct device_attribute *attr, const char *buf,
 877                              size_t count)
 878 {
 879         struct w83627hf_data *data = dev_get_drvdata(dev);
 880         unsigned long val;
 881         int err;
 882
 883         err = kstrtoul(buf, 10, &val);
 884         if (err)
 885                 return err;
 886
 887         mutex_lock(&data->update_lock);
 888
 889         if ((data->vrm_ovt & 0x01) &&
 890                 (w83627thf == data->type || w83637hf == data->type
 891                  || w83687thf == data->type))
 892
 893                 /* use VRM9 calculation */
 894                 data->in_max[0] =
 895                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 896         else
 897                 /* use VRM8 (standard) calculation */
 898                 data->in_max[0] = IN_TO_REG(val);
 899
 900         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 901         mutex_unlock(&data->update_lock);
 902         return count;
 903 }
 904
 905 static DEVICE_ATTR_RW(in0_max);
 906
 907 static ssize_t
 908 alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
 909 {
 910         struct w83627hf_data *data = w83627hf_update_device(dev);
 911         int bitnr = to_sensor_dev_attr(attr)->index;
 912         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 913 }
 914
 915 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
 916 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
 917 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
 918 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
 919 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
 920 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
 921 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
 922 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
 923 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
 924 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
 925 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
 926 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
 927 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
 928 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
 929 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
 930
 931 static ssize_t
 932 beep_show(struct device *dev, struct device_attribute *attr, char *buf)
 933 {
 934         struct w83627hf_data *data = w83627hf_update_device(dev);
 935         int bitnr = to_sensor_dev_attr(attr)->index;
 936         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 937 }
 938
 939 static ssize_t
 940 beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
 941            size_t count)
 942 {
 943         struct w83627hf_data *data = dev_get_drvdata(dev);
 944         int bitnr = to_sensor_dev_attr(attr)->index;
 945         u8 reg;
 946         unsigned long bit;
 947         int err;
 948
 949         err = kstrtoul(buf, 10, &bit);
 950         if (err)
 951                 return err;
 952
 953         if (bit & ~1)
 954                 return -EINVAL;
 955
 956         mutex_lock(&data->update_lock);
 957         if (bit)
 958                 data->beep_mask |= (1 << bitnr);
 959         else
 960                 data->beep_mask &= ~(1 << bitnr);
 961
 962         if (bitnr < 8) {
 963                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 964                 if (bit)
 965                         reg |= (1 << bitnr);
 966                 else
 967                         reg &= ~(1 << bitnr);
 968                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 969         } else if (bitnr < 16) {
 970                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 971                 if (bit)
 972                         reg |= (1 << (bitnr - 8));
 973                 else
 974                         reg &= ~(1 << (bitnr - 8));
 975                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 976         } else {
 977                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 978                 if (bit)
 979                         reg |= (1 << (bitnr - 16));
 980                 else
 981                         reg &= ~(1 << (bitnr - 16));
 982                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 983         }
 984         mutex_unlock(&data->update_lock);
 985
 986         return count;
 987 }
 988
 989 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
 990 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
 991 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
 992 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
 993 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
 994 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
 995 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
 996 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
 997 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
 998 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
 999 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
1000 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
1001 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
1002 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
1003 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
1004 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
1005
1006 static ssize_t
1007 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
1008 {
1009         int nr = to_sensor_dev_attr(devattr)->index;
1010         struct w83627hf_data *data = w83627hf_update_device(dev);
1011         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
1012 }
1013
1014 static ssize_t
1015 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
1016 {
1017         int nr = to_sensor_dev_attr(devattr)->index;
1018         struct w83627hf_data *data = w83627hf_update_device(dev);
1019         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
1020 }
1021
1022 static ssize_t
1023 in_min_store(struct device *dev, struct device_attribute *devattr,
1024              const char *buf, size_t count)
1025 {
1026         int nr = to_sensor_dev_attr(devattr)->index;
1027         struct w83627hf_data *data = dev_get_drvdata(dev);
1028         long val;
1029         int err;
1030
1031         err = kstrtol(buf, 10, &val);
1032         if (err)
1033                 return err;
1034
1035         mutex_lock(&data->update_lock);
1036         data->in_min[nr] = IN_TO_REG(val);
1037         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
1038         mutex_unlock(&data->update_lock);
1039         return count;
1040 }
1041
1042 static ssize_t
1043 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
1044 {
1045         int nr = to_sensor_dev_attr(devattr)->index;
1046         struct w83627hf_data *data = w83627hf_update_device(dev);
1047         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
1048 }
1049
1050 static ssize_t
1051 in_max_store(struct device *dev, struct device_attribute *devattr,
1052              const char *buf, size_t count)
1053 {
1054         int nr = to_sensor_dev_attr(devattr)->index;
1055         struct w83627hf_data *data = dev_get_drvdata(dev);
1056         long val;
1057         int err;
1058
1059         err = kstrtol(buf, 10, &val);
1060         if (err)
1061                 return err;
1062
1063         mutex_lock(&data->update_lock);
1064         data->in_max[nr] = IN_TO_REG(val);
1065         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
1066         mutex_unlock(&data->update_lock);
1067         return count;
1068 }
1069
1070 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
1071 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
1072 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
1073 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
1074 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
1075 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
1076 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
1077 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
1078 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
1079 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
1080 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
1081 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
1082 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
1083 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
1084 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
1085 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
1086 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
1087 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
1088 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
1089 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
1090 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
1091 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
1092 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
1093 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
1094
1095 static ssize_t
1096 fan_input_show(struct device *dev, struct device_attribute *devattr,
1097                char *buf)
1098 {
1099         int nr = to_sensor_dev_attr(devattr)->index;
1100         struct w83627hf_data *data = w83627hf_update_device(dev);
1101         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
1102                                 (long)DIV_FROM_REG(data->fan_div[nr])));
1103 }
1104
1105 static ssize_t
1106 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
1107 {
1108         int nr = to_sensor_dev_attr(devattr)->index;
1109         struct w83627hf_data *data = w83627hf_update_device(dev);
1110         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
1111                                 (long)DIV_FROM_REG(data->fan_div[nr])));
1112 }
1113
1114 static ssize_t
1115 fan_min_store(struct device *dev, struct device_attribute *devattr,
1116               const char *buf, size_t count)
1117 {
1118         int nr = to_sensor_dev_attr(devattr)->index;
1119         struct w83627hf_data *data = dev_get_drvdata(dev);
1120         unsigned long val;
1121         int err;
1122
1123         err = kstrtoul(buf, 10, &val);
1124         if (err)
1125                 return err;
1126
1127         mutex_lock(&data->update_lock);
1128         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
1129         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
1130                              data->fan_min[nr]);
1131
1132         mutex_unlock(&data->update_lock);
1133         return count;
1134 }
1135
1136 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
1137 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
1138 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
1139 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
1140 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
1141 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
1142
1143 static ssize_t
1144 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
1145 {
1146         int nr = to_sensor_dev_attr(devattr)->index;
1147         struct w83627hf_data *data = w83627hf_update_device(dev);
1148         return sprintf(buf, "%ld\n",
1149                        (long) DIV_FROM_REG(data->fan_div[nr]));
1150 }
1151
1152 /*
1153  * Note: we save and restore the fan minimum here, because its value is
1154  * determined in part by the fan divisor.  This follows the principle of
1155  * least surprise; the user doesn't expect the fan minimum to change just
1156  * because the divisor changed.
1157  */
1158 static ssize_t
1159 fan_div_store(struct device *dev, struct device_attribute *devattr,
1160               const char *buf, size_t count)
1161 {
1162         int nr = to_sensor_dev_attr(devattr)->index;
1163         struct w83627hf_data *data = dev_get_drvdata(dev);
1164         unsigned long min;
1165         u8 reg;
1166         unsigned long val;
1167         int err;
1168
1169         err = kstrtoul(buf, 10, &val);
1170         if (err)
1171                 return err;
1172
1173         mutex_lock(&data->update_lock);
1174
1175         /* Save fan_min */
1176         min = FAN_FROM_REG(data->fan_min[nr],
1177                            DIV_FROM_REG(data->fan_div[nr]));
1178
1179         data->fan_div[nr] = DIV_TO_REG(val);
1180
1181         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1182                & (nr==0 ? 0xcf : 0x3f))
1183             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1184         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1185
1186         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1187                & ~(1 << (5 + nr)))
1188             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1189         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1190
1191         /* Restore fan_min */
1192         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1193         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1194
1195         mutex_unlock(&data->update_lock);
1196         return count;
1197 }
1198
1199 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
1200 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
1201 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
1202
1203 static ssize_t
1204 temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
1205 {
1206         int nr = to_sensor_dev_attr(devattr)->index;
1207         struct w83627hf_data *data = w83627hf_update_device(dev);
1208
1209         u16 tmp = data->temp[nr];
1210         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1211                                           : (long) TEMP_FROM_REG(tmp));
1212 }
1213
1214 static ssize_t
1215 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
1216 {
1217         int nr = to_sensor_dev_attr(devattr)->index;
1218         struct w83627hf_data *data = w83627hf_update_device(dev);
1219
1220         u16 tmp = data->temp_max[nr];
1221         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1222                                           : (long) TEMP_FROM_REG(tmp));
1223 }
1224
1225 static ssize_t
1226 temp_max_store(struct device *dev, struct device_attribute *devattr,
1227                const char *buf, size_t count)
1228 {
1229         int nr = to_sensor_dev_attr(devattr)->index;
1230         struct w83627hf_data *data = dev_get_drvdata(dev);
1231         u16 tmp;
1232         long val;
1233         int err;
1234
1235         err = kstrtol(buf, 10, &val);
1236         if (err)
1237                 return err;
1238
1239         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
1240         mutex_lock(&data->update_lock);
1241         data->temp_max[nr] = tmp;
1242         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
1243         mutex_unlock(&data->update_lock);
1244         return count;
1245 }
1246
1247 static ssize_t
1248 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
1249                    char *buf)
1250 {
1251         int nr = to_sensor_dev_attr(devattr)->index;
1252         struct w83627hf_data *data = w83627hf_update_device(dev);
1253
1254         u16 tmp = data->temp_max_hyst[nr];
1255         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
1256                                           : (long) TEMP_FROM_REG(tmp));
1257 }
1258
1259 static ssize_t
1260 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
1261                     const char *buf, size_t count)
1262 {
1263         int nr = to_sensor_dev_attr(devattr)->index;
1264         struct w83627hf_data *data = dev_get_drvdata(dev);
1265         u16 tmp;
1266         long val;
1267         int err;
1268
1269         err = kstrtol(buf, 10, &val);
1270         if (err)
1271                 return err;
1272
1273         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
1274         mutex_lock(&data->update_lock);
1275         data->temp_max_hyst[nr] = tmp;
1276         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
1277         mutex_unlock(&data->update_lock);
1278         return count;
1279 }
1280
1281 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
1282 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
1283 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
1284 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
1285 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
1286 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
1287 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
1288 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
1289 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
1290
1291 static ssize_t
1292 temp_type_show(struct device *dev, struct device_attribute *devattr,
1293                char *buf)
1294 {
1295         int nr = to_sensor_dev_attr(devattr)->index;
1296         struct w83627hf_data *data = w83627hf_update_device(dev);
1297         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1298 }
1299
1300 static ssize_t
1301 temp_type_store(struct device *dev, struct device_attribute *devattr,
1302                 const char *buf, size_t count)
1303 {
1304         int nr = to_sensor_dev_attr(devattr)->index;
1305         struct w83627hf_data *data = dev_get_drvdata(dev);
1306         unsigned long val;
1307         u32 tmp;
1308         int err;
1309
1310         err = kstrtoul(buf, 10, &val);
1311         if (err)
1312                 return err;
1313
1314         mutex_lock(&data->update_lock);
1315
1316         switch (val) {
1317         case 1:         /* PII/Celeron diode */
1318                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1319                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1320                                     tmp | BIT_SCFG1[nr]);
1321                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1322                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1323                                     tmp | BIT_SCFG2[nr]);
1324                 data->sens[nr] = val;
1325                 break;
1326         case 2:         /* 3904 */
1327                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1328                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1329                                     tmp | BIT_SCFG1[nr]);
1330                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1331                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1332                                     tmp & ~BIT_SCFG2[nr]);
1333                 data->sens[nr] = val;
1334                 break;
1335         case W83781D_DEFAULT_BETA:
1336                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1337                          "instead\n", W83781D_DEFAULT_BETA);
1338                 fallthrough;
1339         case 4:         /* thermistor */
1340                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1341                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1342                                     tmp & ~BIT_SCFG1[nr]);
1343                 data->sens[nr] = val;
1344                 break;
1345         default:
1346                 dev_err(dev,
1347                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1348                        (long) val);
1349                 break;
1350         }
1351
1352         mutex_unlock(&data->update_lock);
1353         return count;
1354 }
1355
1356 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
1357 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
1358 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
1359
1360 static ssize_t
1361 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
1362 {
1363         struct w83627hf_data *data = w83627hf_update_device(dev);
1364         return sprintf(buf, "%ld\n", (long) data->alarms);
1365 }
1366 static DEVICE_ATTR_RO(alarms);
1367
1368 #define VIN_UNIT_ATTRS(_X_)     \
1369         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1370         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1371         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1372         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1373         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1374
1375 #define FAN_UNIT_ATTRS(_X_)     \
1376         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1377         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1378         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1379         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1380         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1381
1382 #define TEMP_UNIT_ATTRS(_X_)    \
1383         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1384         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1385         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1386         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1387         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1388         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1389
1390 static ssize_t
1391 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
1392 {
1393         struct w83627hf_data *data = w83627hf_update_device(dev);
1394         return sprintf(buf, "%ld\n",
1395                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
1396 }
1397
1398 static ssize_t
1399 beep_mask_store(struct device *dev, struct device_attribute *attr,
1400                 const char *buf, size_t count)
1401 {
1402         struct w83627hf_data *data = dev_get_drvdata(dev);
1403         unsigned long val;
1404         int err;
1405
1406         err = kstrtoul(buf, 10, &val);
1407         if (err)
1408                 return err;
1409
1410         mutex_lock(&data->update_lock);
1411
1412         /* preserve beep enable */
1413         data->beep_mask = (data->beep_mask & 0x8000)
1414                         | BEEP_MASK_TO_REG(val);
1415         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
1416                             data->beep_mask & 0xff);
1417         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
1418                             ((data->beep_mask) >> 16) & 0xff);
1419         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
1420                             (data->beep_mask >> 8) & 0xff);
1421
1422         mutex_unlock(&data->update_lock);
1423         return count;
1424 }
1425
1426 static DEVICE_ATTR_RW(beep_mask);
1427
1428 static ssize_t
1429 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
1430 {
1431         int nr = to_sensor_dev_attr(devattr)->index;
1432         struct w83627hf_data *data = w83627hf_update_device(dev);
1433         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1434 }
1435
1436 static ssize_t
1437 pwm_store(struct device *dev, struct device_attribute *devattr,
1438           const char *buf, size_t count)
1439 {
1440         int nr = to_sensor_dev_attr(devattr)->index;
1441         struct w83627hf_data *data = dev_get_drvdata(dev);
1442         unsigned long val;
1443         int err;
1444
1445         err = kstrtoul(buf, 10, &val);
1446         if (err)
1447                 return err;
1448
1449         mutex_lock(&data->update_lock);
1450
1451         if (data->type == w83627thf) {
1452                 /* bits 0-3 are reserved  in 627THF */
1453                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1454                 w83627hf_write_value(data,
1455                                      W836X7HF_REG_PWM(data->type, nr),
1456                                      data->pwm[nr] |
1457                                      (w83627hf_read_value(data,
1458                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1459         } else {
1460                 data->pwm[nr] = PWM_TO_REG(val);
1461                 w83627hf_write_value(data,
1462                                      W836X7HF_REG_PWM(data->type, nr),
1463                                      data->pwm[nr]);
1464         }
1465
1466         mutex_unlock(&data->update_lock);
1467         return count;
1468 }
1469
1470 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
1471 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
1472 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
1473
1474 static ssize_t
1475 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1476 {
1477         struct w83627hf_data *data = dev_get_drvdata(dev);
1478
1479         return sprintf(buf, "%s\n", data->name);
1480 }
1481
1482 static DEVICE_ATTR_RO(name);
1483
1484 static struct attribute *w83627hf_attributes[] = {
1485         &dev_attr_in0_input.attr,
1486         &dev_attr_in0_min.attr,
1487         &dev_attr_in0_max.attr,
1488         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1489         &sensor_dev_attr_in0_beep.dev_attr.attr,
1490         VIN_UNIT_ATTRS(2),
1491         VIN_UNIT_ATTRS(3),
1492         VIN_UNIT_ATTRS(4),
1493         VIN_UNIT_ATTRS(7),
1494         VIN_UNIT_ATTRS(8),
1495
1496         FAN_UNIT_ATTRS(1),
1497         FAN_UNIT_ATTRS(2),
1498
1499         TEMP_UNIT_ATTRS(1),
1500         TEMP_UNIT_ATTRS(2),
1501
1502         &dev_attr_alarms.attr,
1503         &sensor_dev_attr_beep_enable.dev_attr.attr,
1504         &dev_attr_beep_mask.attr,
1505
1506         &sensor_dev_attr_pwm1.dev_attr.attr,
1507         &sensor_dev_attr_pwm2.dev_attr.attr,
1508         &dev_attr_name.attr,
1509         NULL
1510 };
1511
1512 static const struct attribute_group w83627hf_group = {
1513         .attrs = w83627hf_attributes,
1514 };
1515
1516 static ssize_t
1517 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
1518 {
1519         int nr = to_sensor_dev_attr(devattr)->index;
1520         struct w83627hf_data *data = w83627hf_update_device(dev);
1521         if (data->type == w83627hf)
1522                 return sprintf(buf, "%ld\n",
1523                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1524         else
1525                 return sprintf(buf, "%ld\n",
1526                         pwm_freq_from_reg(data->pwm_freq[nr]));
1527 }
1528
1529 static ssize_t
1530 pwm_freq_store(struct device *dev, struct device_attribute *devattr,
1531                const char *buf, size_t count)
1532 {
1533         int nr = to_sensor_dev_attr(devattr)->index;
1534         struct w83627hf_data *data = dev_get_drvdata(dev);
1535         static const u8 mask[]={0xF8, 0x8F};
1536         unsigned long val;
1537         int err;
1538
1539         err = kstrtoul(buf, 10, &val);
1540         if (err)
1541                 return err;
1542
1543         mutex_lock(&data->update_lock);
1544
1545         if (data->type == w83627hf) {
1546                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1547                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1548                                 (data->pwm_freq[nr] << (nr*4)) |
1549                                 (w83627hf_read_value(data,
1550                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1551         } else {
1552                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1553                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1554                                 data->pwm_freq[nr]);
1555         }
1556
1557         mutex_unlock(&data->update_lock);
1558         return count;
1559 }
1560
1561 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
1562 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
1563 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
1564
1565 static ssize_t
1566 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
1567 {
1568         struct w83627hf_data *data = w83627hf_update_device(dev);
1569         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
1570 }
1571
1572 static DEVICE_ATTR_RO(cpu0_vid);
1573
1574 static ssize_t
1575 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
1576 {
1577         struct w83627hf_data *data = dev_get_drvdata(dev);
1578         return sprintf(buf, "%ld\n", (long) data->vrm);
1579 }
1580
1581 static ssize_t
1582 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
1583           size_t count)
1584 {
1585         struct w83627hf_data *data = dev_get_drvdata(dev);
1586         unsigned long val;
1587         int err;
1588
1589         err = kstrtoul(buf, 10, &val);
1590         if (err)
1591                 return err;
1592
1593         if (val > 255)
1594                 return -EINVAL;
1595         data->vrm = val;
1596
1597         return count;
1598 }
1599
1600 static DEVICE_ATTR_RW(vrm);
1601
1602 static ssize_t
1603 pwm_enable_show(struct device *dev, struct device_attribute *devattr,
1604                 char *buf)
1605 {
1606         int nr = to_sensor_dev_attr(devattr)->index;
1607         struct w83627hf_data *data = w83627hf_update_device(dev);
1608         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1609 }
1610
1611 static ssize_t
1612 pwm_enable_store(struct device *dev, struct device_attribute *devattr,
1613                  const char *buf, size_t count)
1614 {
1615         int nr = to_sensor_dev_attr(devattr)->index;
1616         struct w83627hf_data *data = dev_get_drvdata(dev);
1617         u8 reg;
1618         unsigned long val;
1619         int err;
1620
1621         err = kstrtoul(buf, 10, &val);
1622         if (err)
1623                 return err;
1624
1625         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1626                 return -EINVAL;
1627         mutex_lock(&data->update_lock);
1628         data->pwm_enable[nr] = val;
1629         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1630         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1631         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1632         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1633         mutex_unlock(&data->update_lock);
1634         return count;
1635 }
1636
1637 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
1638 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
1639 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
1640
1641 static struct attribute *w83627hf_attributes_opt[] = {
1642         VIN_UNIT_ATTRS(1),
1643         VIN_UNIT_ATTRS(5),
1644         VIN_UNIT_ATTRS(6),
1645
1646         FAN_UNIT_ATTRS(3),
1647         TEMP_UNIT_ATTRS(3),
1648         &sensor_dev_attr_pwm3.dev_attr.attr,
1649
1650         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1651         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1652         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1653
1654         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1655         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1656         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1657
1658         NULL
1659 };
1660
1661 static const struct attribute_group w83627hf_group_opt = {
1662         .attrs = w83627hf_attributes_opt,
1663 };
1664
1665 static int w83627hf_probe(struct platform_device *pdev)
1666 {
1667         struct device *dev = &pdev->dev;
1668         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1669         struct w83627hf_data *data;
1670         struct resource *res;
1671         int err, i;
1672
1673         static const char *names[] = {
1674                 "w83627hf",
1675                 "w83627thf",
1676                 "w83697hf",
1677                 "w83637hf",
1678                 "w83687thf",
1679         };
1680
1681         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1682         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1683                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1684                         (unsigned long)res->start,
1685                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1686                 return -EBUSY;
1687         }
1688
1689         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1690         if (!data)
1691                 return -ENOMEM;
1692
1693         data->addr = res->start;
1694         data->type = sio_data->type;
1695         data->name = names[sio_data->type];
1696         mutex_init(&data->lock);
1697         mutex_init(&data->update_lock);
1698         platform_set_drvdata(pdev, data);
1699
1700         /* Initialize the chip */
1701         w83627hf_init_device(pdev);
1702
1703         /* A few vars need to be filled upon startup */
1704         for (i = 0; i <= 2; i++)
1705                 data->fan_min[i] = w83627hf_read_value(
1706                                         data, W83627HF_REG_FAN_MIN(i));
1707         w83627hf_update_fan_div(data);
1708
1709         /* Register common device attributes */
1710         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1711         if (err)
1712                 return err;
1713
1714         /* Register chip-specific device attributes */
1715         if (data->type == w83627hf || data->type == w83697hf)
1716                 if ((err = device_create_file(dev,
1717                                 &sensor_dev_attr_in5_input.dev_attr))
1718                  || (err = device_create_file(dev,
1719                                 &sensor_dev_attr_in5_min.dev_attr))
1720                  || (err = device_create_file(dev,
1721                                 &sensor_dev_attr_in5_max.dev_attr))
1722                  || (err = device_create_file(dev,
1723                                 &sensor_dev_attr_in5_alarm.dev_attr))
1724                  || (err = device_create_file(dev,
1725                                 &sensor_dev_attr_in5_beep.dev_attr))
1726                  || (err = device_create_file(dev,
1727                                 &sensor_dev_attr_in6_input.dev_attr))
1728                  || (err = device_create_file(dev,
1729                                 &sensor_dev_attr_in6_min.dev_attr))
1730                  || (err = device_create_file(dev,
1731                                 &sensor_dev_attr_in6_max.dev_attr))
1732                  || (err = device_create_file(dev,
1733                                 &sensor_dev_attr_in6_alarm.dev_attr))
1734                  || (err = device_create_file(dev,
1735                                 &sensor_dev_attr_in6_beep.dev_attr))
1736                  || (err = device_create_file(dev,
1737                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1738                  || (err = device_create_file(dev,
1739                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1740                         goto error;
1741
1742         if (data->type != w83697hf)
1743                 if ((err = device_create_file(dev,
1744                                 &sensor_dev_attr_in1_input.dev_attr))
1745                  || (err = device_create_file(dev,
1746                                 &sensor_dev_attr_in1_min.dev_attr))
1747                  || (err = device_create_file(dev,
1748                                 &sensor_dev_attr_in1_max.dev_attr))
1749                  || (err = device_create_file(dev,
1750                                 &sensor_dev_attr_in1_alarm.dev_attr))
1751                  || (err = device_create_file(dev,
1752                                 &sensor_dev_attr_in1_beep.dev_attr))
1753                  || (err = device_create_file(dev,
1754                                 &sensor_dev_attr_fan3_input.dev_attr))
1755                  || (err = device_create_file(dev,
1756                                 &sensor_dev_attr_fan3_min.dev_attr))
1757                  || (err = device_create_file(dev,
1758                                 &sensor_dev_attr_fan3_div.dev_attr))
1759                  || (err = device_create_file(dev,
1760                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1761                  || (err = device_create_file(dev,
1762                                 &sensor_dev_attr_fan3_beep.dev_attr))
1763                  || (err = device_create_file(dev,
1764                                 &sensor_dev_attr_temp3_input.dev_attr))
1765                  || (err = device_create_file(dev,
1766                                 &sensor_dev_attr_temp3_max.dev_attr))
1767                  || (err = device_create_file(dev,
1768                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1769                  || (err = device_create_file(dev,
1770                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1771                  || (err = device_create_file(dev,
1772                                 &sensor_dev_attr_temp3_beep.dev_attr))
1773                  || (err = device_create_file(dev,
1774                                 &sensor_dev_attr_temp3_type.dev_attr)))
1775                         goto error;
1776
1777         if (data->type != w83697hf && data->vid != 0xff) {
1778                 /* Convert VID to voltage based on VRM */
1779                 data->vrm = vid_which_vrm();
1780
1781                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1782                  || (err = device_create_file(dev, &dev_attr_vrm)))
1783                         goto error;
1784         }
1785
1786         if (data->type == w83627thf || data->type == w83637hf
1787             || data->type == w83687thf) {
1788                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1789                 if (err)
1790                         goto error;
1791         }
1792
1793         if (data->type == w83637hf || data->type == w83687thf)
1794                 if ((err = device_create_file(dev,
1795                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1796                  || (err = device_create_file(dev,
1797                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1798                  || (err = device_create_file(dev,
1799                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1800                         goto error;
1801
1802         if (data->type != w83627hf)
1803                 if ((err = device_create_file(dev,
1804                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1805                  || (err = device_create_file(dev,
1806                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1807                         goto error;
1808
1809         if (data->type == w83627thf || data->type == w83637hf
1810             || data->type == w83687thf) {
1811                 err = device_create_file(dev,
1812                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1813                 if (err)
1814                         goto error;
1815         }
1816
1817         data->hwmon_dev = hwmon_device_register(dev);
1818         if (IS_ERR(data->hwmon_dev)) {
1819                 err = PTR_ERR(data->hwmon_dev);
1820                 goto error;
1821         }
1822
1823         return 0;
1824
1825  error:
1826         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1827         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1828         return err;
1829 }
1830
1831 static int w83627hf_remove(struct platform_device *pdev)
1832 {
1833         struct w83627hf_data *data = platform_get_drvdata(pdev);
1834
1835         hwmon_device_unregister(data->hwmon_dev);
1836
1837         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1838         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1839
1840         return 0;
1841 }
1842
1843 static struct platform_driver w83627hf_driver = {
1844         .driver = {
1845                 .name   = DRVNAME,
1846                 .pm     = W83627HF_DEV_PM_OPS,
1847         },
1848         .probe          = w83627hf_probe,
1849         .remove         = w83627hf_remove,
1850 };
1851
1852 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1853                                 struct w83627hf_sio_data *sio_data)
1854 {
1855         int err;
1856         u16 val;
1857
1858         static __initconst char *const names[] = {
1859                 "W83627HF",
1860                 "W83627THF",
1861                 "W83697HF",
1862                 "W83637HF",
1863                 "W83687THF",
1864         };
1865
1866         sio_data->sioaddr = sioaddr;
1867         err = superio_enter(sio_data);
1868         if (err)
1869                 return err;
1870
1871         err = -ENODEV;
1872         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1873         switch (val) {
1874         case W627_DEVID:
1875                 sio_data->type = w83627hf;
1876                 break;
1877         case W627THF_DEVID:
1878                 sio_data->type = w83627thf;
1879                 break;
1880         case W697_DEVID:
1881                 sio_data->type = w83697hf;
1882                 break;
1883         case W637_DEVID:
1884                 sio_data->type = w83637hf;
1885                 break;
1886         case W687THF_DEVID:
1887                 sio_data->type = w83687thf;
1888                 break;
1889         case 0xff:      /* No device at all */
1890                 goto exit;
1891         default:
1892                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1893                 goto exit;
1894         }
1895
1896         superio_select(sio_data, W83627HF_LD_HWM);
1897         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1898                superio_inb(sio_data, WINB_BASE_REG + 1);
1899         *addr = val & WINB_ALIGNMENT;
1900         if (*addr == 0) {
1901                 pr_warn("Base address not set, skipping\n");
1902                 goto exit;
1903         }
1904
1905         val = superio_inb(sio_data, WINB_ACT_REG);
1906         if (!(val & 0x01)) {
1907                 pr_warn("Enabling HWM logical device\n");
1908                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1909         }
1910
1911         err = 0;
1912         pr_info(DRVNAME ": Found %s chip at %#x\n",
1913                 names[sio_data->type], *addr);
1914
1915  exit:
1916         superio_exit(sio_data);
1917         return err;
1918 }
1919
1920 static int __init w83627hf_device_add(unsigned short address,
1921                                       const struct w83627hf_sio_data *sio_data)
1922 {
1923         struct resource res = {
1924                 .start  = address + WINB_REGION_OFFSET,
1925                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1926                 .name   = DRVNAME,
1927                 .flags  = IORESOURCE_IO,
1928         };
1929         int err;
1930
1931         err = acpi_check_resource_conflict(&res);
1932         if (err)
1933                 goto exit;
1934
1935         pdev = platform_device_alloc(DRVNAME, address);
1936         if (!pdev) {
1937                 err = -ENOMEM;
1938                 pr_err("Device allocation failed\n");
1939                 goto exit;
1940         }
1941
1942         err = platform_device_add_resources(pdev, &res, 1);
1943         if (err) {
1944                 pr_err("Device resource addition failed (%d)\n", err);
1945                 goto exit_device_put;
1946         }
1947
1948         err = platform_device_add_data(pdev, sio_data,
1949                                        sizeof(struct w83627hf_sio_data));
1950         if (err) {
1951                 pr_err("Platform data allocation failed\n");
1952                 goto exit_device_put;
1953         }
1954
1955         err = platform_device_add(pdev);
1956         if (err) {
1957                 pr_err("Device addition failed (%d)\n", err);
1958                 goto exit_device_put;
1959         }
1960
1961         return 0;
1962
1963 exit_device_put:
1964         platform_device_put(pdev);
1965 exit:
1966         return err;
1967 }
1968
1969 static int __init sensors_w83627hf_init(void)
1970 {
1971         int err;
1972         unsigned short address;
1973         struct w83627hf_sio_data sio_data;
1974
1975         if (w83627hf_find(0x2e, &address, &sio_data)
1976          && w83627hf_find(0x4e, &address, &sio_data))
1977                 return -ENODEV;
1978
1979         err = platform_driver_register(&w83627hf_driver);
1980         if (err)
1981                 goto exit;
1982
1983         /* Sets global pdev as a side effect */
1984         err = w83627hf_device_add(address, &sio_data);
1985         if (err)
1986                 goto exit_driver;
1987
1988         return 0;
1989
1990 exit_driver:
1991         platform_driver_unregister(&w83627hf_driver);
1992 exit:
1993         return err;
1994 }
1995
1996 static void __exit sensors_w83627hf_exit(void)
1997 {
1998         platform_device_unregister(pdev);
1999         platform_driver_unregister(&w83627hf_driver);
2000 }
2001
2002 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2003               "Philip Edelbrock <phil@netroedge.com>, "
2004               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2005 MODULE_DESCRIPTION("W83627HF driver");
2006 MODULE_LICENSE("GPL");
2007
2008 module_init(sensors_w83627hf_init);
2009 module_exit(sensors_w83627hf_exit);