drivers/hwmon/w83627hf.c

   1 /*
   2  * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3  *              monitoring
   4  * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5  *                            Philip Edelbrock <phil@netroedge.com>,
   6  *                            and Mark Studebaker <mdsxyz123@yahoo.com>
   7  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8  * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /*
  26  * Supports following chips:
  27  *
  28  * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34  *
  35  * For other winbond chips, and for i2c support in the above chips,
  36  * use w83781d.c.
  37  *
  38  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39  * supported yet.
  40  */
  41
  42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44 #include <linux/module.h>
  45 #include <linux/init.h>
  46 #include <linux/slab.h>
  47 #include <linux/jiffies.h>
  48 #include <linux/platform_device.h>
  49 #include <linux/hwmon.h>
  50 #include <linux/hwmon-sysfs.h>
  51 #include <linux/hwmon-vid.h>
  52 #include <linux/err.h>
  53 #include <linux/mutex.h>
  54 #include <linux/ioport.h>
  55 #include <linux/acpi.h>
  56 #include <linux/io.h>
  57 #include "lm75.h"
  58
  59 static struct platform_device *pdev;
  60
  61 #define DRVNAME "w83627hf"
  62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  63
  64 struct w83627hf_sio_data {
  65         enum chips type;
  66         int sioaddr;
  67 };
  68
  69 static u8 force_i2c = 0x1f;
  70 module_param(force_i2c, byte, 0);
  71 MODULE_PARM_DESC(force_i2c,
  72                  "Initialize the i2c address of the sensors");
  73
  74 static bool init = 1;
  75 module_param(init, bool, 0);
  76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  77
  78 static unsigned short force_id;
  79 module_param(force_id, ushort, 0);
  80 MODULE_PARM_DESC(force_id, "Override the detected device ID");
  81
  82 /* modified from kernel/include/traps.c */
  83 #define DEV                     0x07 /* Register: Logical device select */
  84
  85 /* logical device numbers for superio_select (below) */
  86 #define W83627HF_LD_FDC         0x00
  87 #define W83627HF_LD_PRT         0x01
  88 #define W83627HF_LD_UART1       0x02
  89 #define W83627HF_LD_UART2       0x03
  90 #define W83627HF_LD_KBC         0x05
  91 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
  92 #define W83627HF_LD_GAME        0x07
  93 #define W83627HF_LD_MIDI        0x07
  94 #define W83627HF_LD_GPIO1       0x07
  95 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  96 #define W83627HF_LD_GPIO2       0x08
  97 #define W83627HF_LD_GPIO3       0x09
  98 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  99 #define W83627HF_LD_ACPI        0x0a
 100 #define W83627HF_LD_HWM         0x0b
 101
 102 #define DEVID                   0x20 /* Register: Device ID */
 103
 104 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 105 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 106 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 107
 108 #define W83687THF_VID_EN        0x29 /* w83687thf only */
 109 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 110 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 111
 112 static inline void
 113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 114 {
 115         outb(reg, sio->sioaddr);
 116         outb(val, sio->sioaddr + 1);
 117 }
 118
 119 static inline int
 120 superio_inb(struct w83627hf_sio_data *sio, int reg)
 121 {
 122         outb(reg, sio->sioaddr);
 123         return inb(sio->sioaddr + 1);
 124 }
 125
 126 static inline void
 127 superio_select(struct w83627hf_sio_data *sio, int ld)
 128 {
 129         outb(DEV, sio->sioaddr);
 130         outb(ld,  sio->sioaddr + 1);
 131 }
 132
 133 static inline int
 134 superio_enter(struct w83627hf_sio_data *sio)
 135 {
 136         if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
 137                 return -EBUSY;
 138
 139         outb(0x87, sio->sioaddr);
 140         outb(0x87, sio->sioaddr);
 141
 142         return 0;
 143 }
 144
 145 static inline void
 146 superio_exit(struct w83627hf_sio_data *sio)
 147 {
 148         outb(0xAA, sio->sioaddr);
 149         release_region(sio->sioaddr, 2);
 150 }
 151
 152 #define W627_DEVID 0x52
 153 #define W627THF_DEVID 0x82
 154 #define W697_DEVID 0x60
 155 #define W637_DEVID 0x70
 156 #define W687THF_DEVID 0x85
 157 #define WINB_ACT_REG 0x30
 158 #define WINB_BASE_REG 0x60
 159 /* Constants specified below */
 160
 161 /* Alignment of the base address */
 162 #define WINB_ALIGNMENT          ~7
 163
 164 /* Offset & size of I/O region we are interested in */
 165 #define WINB_REGION_OFFSET      5
 166 #define WINB_REGION_SIZE        2
 167
 168 /* Where are the sensors address/data registers relative to the region offset */
 169 #define W83781D_ADDR_REG_OFFSET 0
 170 #define W83781D_DATA_REG_OFFSET 1
 171
 172 /* The W83781D registers */
 173 /* The W83782D registers for nr=7,8 are in bank 5 */
 174 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 175                                            (0x554 + (((nr) - 7) * 2)))
 176 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 177                                            (0x555 + (((nr) - 7) * 2)))
 178 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 179                                            (0x550 + (nr) - 7))
 180
 181 /* nr:0-2 for fans:1-3 */
 182 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 183 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 184
 185 #define W83627HF_REG_TEMP2_CONFIG 0x152
 186 #define W83627HF_REG_TEMP3_CONFIG 0x252
 187 /* these are zero-based, unlike config constants above */
 188 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 189 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 190 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 191
 192 #define W83781D_REG_BANK 0x4E
 193
 194 #define W83781D_REG_CONFIG 0x40
 195 #define W83781D_REG_ALARM1 0x459
 196 #define W83781D_REG_ALARM2 0x45A
 197 #define W83781D_REG_ALARM3 0x45B
 198
 199 #define W83781D_REG_BEEP_CONFIG 0x4D
 200 #define W83781D_REG_BEEP_INTS1 0x56
 201 #define W83781D_REG_BEEP_INTS2 0x57
 202 #define W83781D_REG_BEEP_INTS3 0x453
 203
 204 #define W83781D_REG_VID_FANDIV 0x47
 205
 206 #define W83781D_REG_CHIPID 0x49
 207 #define W83781D_REG_WCHIPID 0x58
 208 #define W83781D_REG_CHIPMAN 0x4F
 209 #define W83781D_REG_PIN 0x4B
 210
 211 #define W83781D_REG_VBAT 0x5D
 212
 213 #define W83627HF_REG_PWM1 0x5A
 214 #define W83627HF_REG_PWM2 0x5B
 215
 216 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 217         0x04,           /* FAN 1 mode */
 218         0x04,           /* FAN 2 mode */
 219         0x12,           /* FAN AUX mode */
 220 };
 221 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 222
 223 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 224 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 225 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 226
 227 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 228
 229 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 230 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 231                              W83627THF_REG_PWM3 };
 232 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 233                                     regpwm_627hf[nr] : regpwm[nr])
 234
 235 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 236
 237 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 238 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 239 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 240
 241 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 242                                         W83637HF_REG_PWM_FREQ2,
 243                                         W83637HF_REG_PWM_FREQ3 };
 244
 245 #define W83627HF_BASE_PWM_FREQ  46870
 246
 247 #define W83781D_REG_I2C_ADDR 0x48
 248 #define W83781D_REG_I2C_SUBADDR 0x4A
 249
 250 /* Sensor selection */
 251 #define W83781D_REG_SCFG1 0x5D
 252 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 253 #define W83781D_REG_SCFG2 0x59
 254 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 255 #define W83781D_DEFAULT_BETA 3435
 256
 257 /*
 258  * Conversions. Limit checking is only done on the TO_REG
 259  * variants. Note that you should be a bit careful with which arguments
 260  * these macros are called: arguments may be evaluated more than once.
 261  * Fixing this is just not worth it.
 262  */
 263 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 264 #define IN_FROM_REG(val) ((val) * 16)
 265
 266 static inline u8 FAN_TO_REG(long rpm, int div)
 267 {
 268         if (rpm == 0)
 269                 return 255;
 270         rpm = clamp_val(rpm, 1, 1000000);
 271         return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 272 }
 273
 274 #define TEMP_MIN (-128000)
 275 #define TEMP_MAX ( 127000)
 276
 277 /*
 278  * TEMP: 0.001C/bit (-128C to +127C)
 279  * REG: 1C/bit, two's complement
 280  */
 281 static u8 TEMP_TO_REG(long temp)
 282 {
 283         int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 284         ntemp += (ntemp < 0 ? -500 : 500);
 285         return (u8)(ntemp / 1000);
 286 }
 287
 288 static int TEMP_FROM_REG(u8 reg)
 289 {
 290         return (s8)reg * 1000;
 291 }
 292
 293 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 294
 295 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 296
 297 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 298 {
 299         unsigned long freq;
 300         freq = W83627HF_BASE_PWM_FREQ >> reg;
 301         return freq;
 302 }
 303 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 304 {
 305         u8 i;
 306         /*
 307          * Only 5 dividers (1 2 4 8 16)
 308          * Search for the nearest available frequency
 309          */
 310         for (i = 0; i < 4; i++) {
 311                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 312                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 313                         break;
 314         }
 315         return i;
 316 }
 317
 318 static inline unsigned long pwm_freq_from_reg(u8 reg)
 319 {
 320         /* Clock bit 8 -> 180 kHz or 24 MHz */
 321         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 322
 323         reg &= 0x7f;
 324         /* This should not happen but anyway... */
 325         if (reg == 0)
 326                 reg++;
 327         return clock / (reg << 8);
 328 }
 329 static inline u8 pwm_freq_to_reg(unsigned long val)
 330 {
 331         /* Minimum divider value is 0x01 and maximum is 0x7F */
 332         if (val >= 93750)       /* The highest we can do */
 333                 return 0x01;
 334         if (val >= 720) /* Use 24 MHz clock */
 335                 return 24000000UL / (val << 8);
 336         if (val < 6)            /* The lowest we can do */
 337                 return 0xFF;
 338         else                    /* Use 180 kHz clock */
 339                 return 0x80 | (180000UL / (val << 8));
 340 }
 341
 342 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 343 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 344
 345 #define DIV_FROM_REG(val) (1 << (val))
 346
 347 static inline u8 DIV_TO_REG(long val)
 348 {
 349         int i;
 350         val = clamp_val(val, 1, 128) >> 1;
 351         for (i = 0; i < 7; i++) {
 352                 if (val == 0)
 353                         break;
 354                 val >>= 1;
 355         }
 356         return (u8)i;
 357 }
 358
 359 /*
 360  * For each registered chip, we need to keep some data in memory.
 361  * The structure is dynamically allocated.
 362  */
 363 struct w83627hf_data {
 364         unsigned short addr;
 365         const char *name;
 366         struct device *hwmon_dev;
 367         struct mutex lock;
 368         enum chips type;
 369
 370         struct mutex update_lock;
 371         char valid;             /* !=0 if following fields are valid */
 372         unsigned long last_updated;     /* In jiffies */
 373
 374         u8 in[9];               /* Register value */
 375         u8 in_max[9];           /* Register value */
 376         u8 in_min[9];           /* Register value */
 377         u8 fan[3];              /* Register value */
 378         u8 fan_min[3];          /* Register value */
 379         u16 temp[3];            /* Register value */
 380         u16 temp_max[3];        /* Register value */
 381         u16 temp_max_hyst[3];   /* Register value */
 382         u8 fan_div[3];          /* Register encoding, shifted right */
 383         u8 vid;                 /* Register encoding, combined */
 384         u32 alarms;             /* Register encoding, combined */
 385         u32 beep_mask;          /* Register encoding, combined */
 386         u8 pwm[3];              /* Register value */
 387         u8 pwm_enable[3];       /* 1 = manual
 388                                  * 2 = thermal cruise (also called SmartFan I)
 389                                  * 3 = fan speed cruise
 390                                  */
 391         u8 pwm_freq[3];         /* Register value */
 392         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 393                                  * 4 = thermistor
 394                                  */
 395         u8 vrm;
 396         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 397
 398 #ifdef CONFIG_PM
 399         /* Remember extra register values over suspend/resume */
 400         u8 scfg1;
 401         u8 scfg2;
 402 #endif
 403 };
 404
 405
 406 static int w83627hf_probe(struct platform_device *pdev);
 407 static int w83627hf_remove(struct platform_device *pdev);
 408
 409 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 410 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 411 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 412 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 413 static void w83627hf_init_device(struct platform_device *pdev);
 414
 415 #ifdef CONFIG_PM
 416 static int w83627hf_suspend(struct device *dev)
 417 {
 418         struct w83627hf_data *data = w83627hf_update_device(dev);
 419
 420         mutex_lock(&data->update_lock);
 421         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 422         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 423         mutex_unlock(&data->update_lock);
 424
 425         return 0;
 426 }
 427
 428 static int w83627hf_resume(struct device *dev)
 429 {
 430         struct w83627hf_data *data = dev_get_drvdata(dev);
 431         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 432
 433         /* Restore limits */
 434         mutex_lock(&data->update_lock);
 435         for (i = 0; i <= 8; i++) {
 436                 /* skip missing sensors */
 437                 if (((data->type == w83697hf) && (i == 1)) ||
 438                     ((data->type != w83627hf && data->type != w83697hf)
 439                     && (i == 5 || i == 6)))
 440                         continue;
 441                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 442                                      data->in_max[i]);
 443                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 444                                      data->in_min[i]);
 445         }
 446         for (i = 0; i <= 2; i++)
 447                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 448                                      data->fan_min[i]);
 449         for (i = 0; i < num_temps; i++) {
 450                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 451                                      data->temp_max[i]);
 452                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 453                                      data->temp_max_hyst[i]);
 454         }
 455
 456         /* Fixup BIOS bugs */
 457         if (data->type == w83627thf || data->type == w83637hf ||
 458             data->type == w83687thf)
 459                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 460                                      data->vrm_ovt);
 461         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 462         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 463
 464         /* Force re-reading all values */
 465         data->valid = 0;
 466         mutex_unlock(&data->update_lock);
 467
 468         return 0;
 469 }
 470
 471 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 472         .suspend = w83627hf_suspend,
 473         .resume = w83627hf_resume,
 474 };
 475
 476 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 477 #else
 478 #define W83627HF_DEV_PM_OPS     NULL
 479 #endif /* CONFIG_PM */
 480
 481 static struct platform_driver w83627hf_driver = {
 482         .driver = {
 483                 .name   = DRVNAME,
 484                 .pm     = W83627HF_DEV_PM_OPS,
 485         },
 486         .probe          = w83627hf_probe,
 487         .remove         = w83627hf_remove,
 488 };
 489
 490 static ssize_t
 491 show_in_input(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[nr]));
 496 }
 497 static ssize_t
 498 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 499 {
 500         int nr = to_sensor_dev_attr(devattr)->index;
 501         struct w83627hf_data *data = w83627hf_update_device(dev);
 502         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 503 }
 504 static ssize_t
 505 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 506 {
 507         int nr = to_sensor_dev_attr(devattr)->index;
 508         struct w83627hf_data *data = w83627hf_update_device(dev);
 509         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 510 }
 511 static ssize_t
 512 store_in_min(struct device *dev, struct device_attribute *devattr,
 513              const char *buf, size_t count)
 514 {
 515         int nr = to_sensor_dev_attr(devattr)->index;
 516         struct w83627hf_data *data = dev_get_drvdata(dev);
 517         long val;
 518         int err;
 519
 520         err = kstrtol(buf, 10, &val);
 521         if (err)
 522                 return err;
 523
 524         mutex_lock(&data->update_lock);
 525         data->in_min[nr] = IN_TO_REG(val);
 526         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 527         mutex_unlock(&data->update_lock);
 528         return count;
 529 }
 530 static ssize_t
 531 store_in_max(struct device *dev, struct device_attribute *devattr,
 532              const char *buf, size_t count)
 533 {
 534         int nr = to_sensor_dev_attr(devattr)->index;
 535         struct w83627hf_data *data = dev_get_drvdata(dev);
 536         long val;
 537         int err;
 538
 539         err = kstrtol(buf, 10, &val);
 540         if (err)
 541                 return err;
 542
 543         mutex_lock(&data->update_lock);
 544         data->in_max[nr] = IN_TO_REG(val);
 545         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 546         mutex_unlock(&data->update_lock);
 547         return count;
 548 }
 549 #define sysfs_vin_decl(offset) \
 550 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 551                           show_in_input, NULL, offset);         \
 552 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 553                           show_in_min, store_in_min, offset);   \
 554 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 555                           show_in_max, store_in_max, offset);
 556
 557 sysfs_vin_decl(1);
 558 sysfs_vin_decl(2);
 559 sysfs_vin_decl(3);
 560 sysfs_vin_decl(4);
 561 sysfs_vin_decl(5);
 562 sysfs_vin_decl(6);
 563 sysfs_vin_decl(7);
 564 sysfs_vin_decl(8);
 565
 566 /* use a different set of functions for in0 */
 567 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 568 {
 569         long in0;
 570
 571         if ((data->vrm_ovt & 0x01) &&
 572                 (w83627thf == data->type || w83637hf == data->type
 573                  || w83687thf == data->type))
 574
 575                 /* use VRM9 calculation */
 576                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 577         else
 578                 /* use VRM8 (standard) calculation */
 579                 in0 = (long)IN_FROM_REG(reg);
 580
 581         return sprintf(buf,"%ld\n", in0);
 582 }
 583
 584 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 585 {
 586         struct w83627hf_data *data = w83627hf_update_device(dev);
 587         return show_in_0(data, buf, data->in[0]);
 588 }
 589
 590 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 591 {
 592         struct w83627hf_data *data = w83627hf_update_device(dev);
 593         return show_in_0(data, buf, data->in_min[0]);
 594 }
 595
 596 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 597 {
 598         struct w83627hf_data *data = w83627hf_update_device(dev);
 599         return show_in_0(data, buf, data->in_max[0]);
 600 }
 601
 602 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 603         const char *buf, size_t count)
 604 {
 605         struct w83627hf_data *data = dev_get_drvdata(dev);
 606         unsigned long val;
 607         int err;
 608
 609         err = kstrtoul(buf, 10, &val);
 610         if (err)
 611                 return err;
 612
 613         mutex_lock(&data->update_lock);
 614
 615         if ((data->vrm_ovt & 0x01) &&
 616                 (w83627thf == data->type || w83637hf == data->type
 617                  || w83687thf == data->type))
 618
 619                 /* use VRM9 calculation */
 620                 data->in_min[0] =
 621                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 622         else
 623                 /* use VRM8 (standard) calculation */
 624                 data->in_min[0] = IN_TO_REG(val);
 625
 626         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 627         mutex_unlock(&data->update_lock);
 628         return count;
 629 }
 630
 631 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 632         const char *buf, 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
 660 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 661 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 662         show_regs_in_min0, store_regs_in_min0);
 663 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 664         show_regs_in_max0, store_regs_in_max0);
 665
 666 static ssize_t
 667 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 668 {
 669         int nr = to_sensor_dev_attr(devattr)->index;
 670         struct w83627hf_data *data = w83627hf_update_device(dev);
 671         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 672                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 673 }
 674 static ssize_t
 675 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 676 {
 677         int nr = to_sensor_dev_attr(devattr)->index;
 678         struct w83627hf_data *data = w83627hf_update_device(dev);
 679         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 680                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 681 }
 682 static ssize_t
 683 store_fan_min(struct device *dev, struct device_attribute *devattr,
 684               const char *buf, size_t count)
 685 {
 686         int nr = to_sensor_dev_attr(devattr)->index;
 687         struct w83627hf_data *data = dev_get_drvdata(dev);
 688         unsigned long val;
 689         int err;
 690
 691         err = kstrtoul(buf, 10, &val);
 692         if (err)
 693                 return err;
 694
 695         mutex_lock(&data->update_lock);
 696         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 697         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 698                              data->fan_min[nr]);
 699
 700         mutex_unlock(&data->update_lock);
 701         return count;
 702 }
 703 #define sysfs_fan_decl(offset)  \
 704 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 705                           show_fan_input, NULL, offset - 1);            \
 706 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 707                           show_fan_min, store_fan_min, offset - 1);
 708
 709 sysfs_fan_decl(1);
 710 sysfs_fan_decl(2);
 711 sysfs_fan_decl(3);
 712
 713 static ssize_t
 714 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 715 {
 716         int nr = to_sensor_dev_attr(devattr)->index;
 717         struct w83627hf_data *data = w83627hf_update_device(dev);
 718
 719         u16 tmp = data->temp[nr];
 720         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 721                                           : (long) TEMP_FROM_REG(tmp));
 722 }
 723
 724 static ssize_t
 725 show_temp_max(struct device *dev, struct device_attribute *devattr,
 726               char *buf)
 727 {
 728         int nr = to_sensor_dev_attr(devattr)->index;
 729         struct w83627hf_data *data = w83627hf_update_device(dev);
 730
 731         u16 tmp = data->temp_max[nr];
 732         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 733                                           : (long) TEMP_FROM_REG(tmp));
 734 }
 735
 736 static ssize_t
 737 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 738                    char *buf)
 739 {
 740         int nr = to_sensor_dev_attr(devattr)->index;
 741         struct w83627hf_data *data = w83627hf_update_device(dev);
 742
 743         u16 tmp = data->temp_max_hyst[nr];
 744         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 745                                           : (long) TEMP_FROM_REG(tmp));
 746 }
 747
 748 static ssize_t
 749 store_temp_max(struct device *dev, struct device_attribute *devattr,
 750                const char *buf, size_t count)
 751 {
 752         int nr = to_sensor_dev_attr(devattr)->index;
 753         struct w83627hf_data *data = dev_get_drvdata(dev);
 754         u16 tmp;
 755         long val;
 756         int err;
 757
 758         err = kstrtol(buf, 10, &val);
 759         if (err)
 760                 return err;
 761
 762         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 763         mutex_lock(&data->update_lock);
 764         data->temp_max[nr] = tmp;
 765         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 766         mutex_unlock(&data->update_lock);
 767         return count;
 768 }
 769
 770 static ssize_t
 771 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 772                     const char *buf, size_t count)
 773 {
 774         int nr = to_sensor_dev_attr(devattr)->index;
 775         struct w83627hf_data *data = dev_get_drvdata(dev);
 776         u16 tmp;
 777         long val;
 778         int err;
 779
 780         err = kstrtol(buf, 10, &val);
 781         if (err)
 782                 return err;
 783
 784         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 785         mutex_lock(&data->update_lock);
 786         data->temp_max_hyst[nr] = tmp;
 787         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 788         mutex_unlock(&data->update_lock);
 789         return count;
 790 }
 791
 792 #define sysfs_temp_decl(offset) \
 793 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 794                           show_temp, NULL, offset - 1);                 \
 795 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 796                           show_temp_max, store_temp_max, offset - 1);   \
 797 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 798                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 799
 800 sysfs_temp_decl(1);
 801 sysfs_temp_decl(2);
 802 sysfs_temp_decl(3);
 803
 804 static ssize_t
 805 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 806 {
 807         struct w83627hf_data *data = w83627hf_update_device(dev);
 808         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 809 }
 810 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 811
 812 static ssize_t
 813 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 814 {
 815         struct w83627hf_data *data = dev_get_drvdata(dev);
 816         return sprintf(buf, "%ld\n", (long) data->vrm);
 817 }
 818 static ssize_t
 819 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 820 {
 821         struct w83627hf_data *data = dev_get_drvdata(dev);
 822         unsigned long val;
 823         int err;
 824
 825         err = kstrtoul(buf, 10, &val);
 826         if (err)
 827                 return err;
 828
 829         if (val > 255)
 830                 return -EINVAL;
 831         data->vrm = val;
 832
 833         return count;
 834 }
 835 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 836
 837 static ssize_t
 838 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 839 {
 840         struct w83627hf_data *data = w83627hf_update_device(dev);
 841         return sprintf(buf, "%ld\n", (long) data->alarms);
 842 }
 843 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 844
 845 static ssize_t
 846 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 847 {
 848         struct w83627hf_data *data = w83627hf_update_device(dev);
 849         int bitnr = to_sensor_dev_attr(attr)->index;
 850         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 851 }
 852 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 853 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 854 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 855 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 856 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 857 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 858 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 859 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 860 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 861 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 862 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 863 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 864 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 865 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 866 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 867
 868 static ssize_t
 869 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 870 {
 871         struct w83627hf_data *data = w83627hf_update_device(dev);
 872         return sprintf(buf, "%ld\n",
 873                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 874 }
 875
 876 static ssize_t
 877 store_beep_mask(struct device *dev, struct device_attribute *attr,
 878                 const char *buf, size_t count)
 879 {
 880         struct w83627hf_data *data = dev_get_drvdata(dev);
 881         unsigned long val;
 882         int err;
 883
 884         err = kstrtoul(buf, 10, &val);
 885         if (err)
 886                 return err;
 887
 888         mutex_lock(&data->update_lock);
 889
 890         /* preserve beep enable */
 891         data->beep_mask = (data->beep_mask & 0x8000)
 892                         | BEEP_MASK_TO_REG(val);
 893         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 894                             data->beep_mask & 0xff);
 895         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 896                             ((data->beep_mask) >> 16) & 0xff);
 897         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 898                             (data->beep_mask >> 8) & 0xff);
 899
 900         mutex_unlock(&data->update_lock);
 901         return count;
 902 }
 903
 904 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 905                    show_beep_mask, store_beep_mask);
 906
 907 static ssize_t
 908 show_beep(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->beep_mask >> bitnr) & 1);
 913 }
 914
 915 static ssize_t
 916 store_beep(struct device *dev, struct device_attribute *attr,
 917                 const char *buf, size_t count)
 918 {
 919         struct w83627hf_data *data = dev_get_drvdata(dev);
 920         int bitnr = to_sensor_dev_attr(attr)->index;
 921         u8 reg;
 922         unsigned long bit;
 923         int err;
 924
 925         err = kstrtoul(buf, 10, &bit);
 926         if (err)
 927                 return err;
 928
 929         if (bit & ~1)
 930                 return -EINVAL;
 931
 932         mutex_lock(&data->update_lock);
 933         if (bit)
 934                 data->beep_mask |= (1 << bitnr);
 935         else
 936                 data->beep_mask &= ~(1 << bitnr);
 937
 938         if (bitnr < 8) {
 939                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 940                 if (bit)
 941                         reg |= (1 << bitnr);
 942                 else
 943                         reg &= ~(1 << bitnr);
 944                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 945         } else if (bitnr < 16) {
 946                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 947                 if (bit)
 948                         reg |= (1 << (bitnr - 8));
 949                 else
 950                         reg &= ~(1 << (bitnr - 8));
 951                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 952         } else {
 953                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 954                 if (bit)
 955                         reg |= (1 << (bitnr - 16));
 956                 else
 957                         reg &= ~(1 << (bitnr - 16));
 958                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 959         }
 960         mutex_unlock(&data->update_lock);
 961
 962         return count;
 963 }
 964
 965 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 966                         show_beep, store_beep, 0);
 967 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 968                         show_beep, store_beep, 1);
 969 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 970                         show_beep, store_beep, 2);
 971 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 972                         show_beep, store_beep, 3);
 973 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 974                         show_beep, store_beep, 8);
 975 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 976                         show_beep, store_beep, 9);
 977 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 978                         show_beep, store_beep, 10);
 979 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 980                         show_beep, store_beep, 16);
 981 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 982                         show_beep, store_beep, 17);
 983 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 984                         show_beep, store_beep, 6);
 985 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 986                         show_beep, store_beep, 7);
 987 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 988                         show_beep, store_beep, 11);
 989 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 990                         show_beep, store_beep, 4);
 991 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 992                         show_beep, store_beep, 5);
 993 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 994                         show_beep, store_beep, 13);
 995 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 996                         show_beep, store_beep, 15);
 997
 998 static ssize_t
 999 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
1000 {
1001         int nr = to_sensor_dev_attr(devattr)->index;
1002         struct w83627hf_data *data = w83627hf_update_device(dev);
1003         return sprintf(buf, "%ld\n",
1004                        (long) DIV_FROM_REG(data->fan_div[nr]));
1005 }
1006 /*
1007  * Note: we save and restore the fan minimum here, because its value is
1008  * determined in part by the fan divisor.  This follows the principle of
1009  * least surprise; the user doesn't expect the fan minimum to change just
1010  * because the divisor changed.
1011  */
1012 static ssize_t
1013 store_fan_div(struct device *dev, struct device_attribute *devattr,
1014               const char *buf, size_t count)
1015 {
1016         int nr = to_sensor_dev_attr(devattr)->index;
1017         struct w83627hf_data *data = dev_get_drvdata(dev);
1018         unsigned long min;
1019         u8 reg;
1020         unsigned long val;
1021         int err;
1022
1023         err = kstrtoul(buf, 10, &val);
1024         if (err)
1025                 return err;
1026
1027         mutex_lock(&data->update_lock);
1028
1029         /* Save fan_min */
1030         min = FAN_FROM_REG(data->fan_min[nr],
1031                            DIV_FROM_REG(data->fan_div[nr]));
1032
1033         data->fan_div[nr] = DIV_TO_REG(val);
1034
1035         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1036                & (nr==0 ? 0xcf : 0x3f))
1037             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1038         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1039
1040         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1041                & ~(1 << (5 + nr)))
1042             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1043         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1044
1045         /* Restore fan_min */
1046         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1047         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1048
1049         mutex_unlock(&data->update_lock);
1050         return count;
1051 }
1052
1053 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1054                           show_fan_div, store_fan_div, 0);
1055 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1056                           show_fan_div, store_fan_div, 1);
1057 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1058                           show_fan_div, store_fan_div, 2);
1059
1060 static ssize_t
1061 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1062 {
1063         int nr = to_sensor_dev_attr(devattr)->index;
1064         struct w83627hf_data *data = w83627hf_update_device(dev);
1065         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1066 }
1067
1068 static ssize_t
1069 store_pwm(struct device *dev, struct device_attribute *devattr,
1070           const char *buf, size_t count)
1071 {
1072         int nr = to_sensor_dev_attr(devattr)->index;
1073         struct w83627hf_data *data = dev_get_drvdata(dev);
1074         unsigned long val;
1075         int err;
1076
1077         err = kstrtoul(buf, 10, &val);
1078         if (err)
1079                 return err;
1080
1081         mutex_lock(&data->update_lock);
1082
1083         if (data->type == w83627thf) {
1084                 /* bits 0-3 are reserved  in 627THF */
1085                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1086                 w83627hf_write_value(data,
1087                                      W836X7HF_REG_PWM(data->type, nr),
1088                                      data->pwm[nr] |
1089                                      (w83627hf_read_value(data,
1090                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1091         } else {
1092                 data->pwm[nr] = PWM_TO_REG(val);
1093                 w83627hf_write_value(data,
1094                                      W836X7HF_REG_PWM(data->type, nr),
1095                                      data->pwm[nr]);
1096         }
1097
1098         mutex_unlock(&data->update_lock);
1099         return count;
1100 }
1101
1102 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1103 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1104 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1105
1106 static ssize_t
1107 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1108 {
1109         int nr = to_sensor_dev_attr(devattr)->index;
1110         struct w83627hf_data *data = w83627hf_update_device(dev);
1111         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1112 }
1113
1114 static ssize_t
1115 store_pwm_enable(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         u8 reg;
1121         unsigned long val;
1122         int err;
1123
1124         err = kstrtoul(buf, 10, &val);
1125         if (err)
1126                 return err;
1127
1128         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1129                 return -EINVAL;
1130         mutex_lock(&data->update_lock);
1131         data->pwm_enable[nr] = val;
1132         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1133         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1134         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1135         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1136         mutex_unlock(&data->update_lock);
1137         return count;
1138 }
1139
1140 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1141                                                   store_pwm_enable, 0);
1142 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1143                                                   store_pwm_enable, 1);
1144 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1145                                                   store_pwm_enable, 2);
1146
1147 static ssize_t
1148 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1149 {
1150         int nr = to_sensor_dev_attr(devattr)->index;
1151         struct w83627hf_data *data = w83627hf_update_device(dev);
1152         if (data->type == w83627hf)
1153                 return sprintf(buf, "%ld\n",
1154                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1155         else
1156                 return sprintf(buf, "%ld\n",
1157                         pwm_freq_from_reg(data->pwm_freq[nr]));
1158 }
1159
1160 static ssize_t
1161 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1162                const char *buf, size_t count)
1163 {
1164         int nr = to_sensor_dev_attr(devattr)->index;
1165         struct w83627hf_data *data = dev_get_drvdata(dev);
1166         static const u8 mask[]={0xF8, 0x8F};
1167         unsigned long val;
1168         int err;
1169
1170         err = kstrtoul(buf, 10, &val);
1171         if (err)
1172                 return err;
1173
1174         mutex_lock(&data->update_lock);
1175
1176         if (data->type == w83627hf) {
1177                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1178                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1179                                 (data->pwm_freq[nr] << (nr*4)) |
1180                                 (w83627hf_read_value(data,
1181                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1182         } else {
1183                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1184                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1185                                 data->pwm_freq[nr]);
1186         }
1187
1188         mutex_unlock(&data->update_lock);
1189         return count;
1190 }
1191
1192 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1193                           show_pwm_freq, store_pwm_freq, 0);
1194 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1195                           show_pwm_freq, store_pwm_freq, 1);
1196 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1197                           show_pwm_freq, store_pwm_freq, 2);
1198
1199 static ssize_t
1200 show_temp_type(struct device *dev, struct device_attribute *devattr,
1201                char *buf)
1202 {
1203         int nr = to_sensor_dev_attr(devattr)->index;
1204         struct w83627hf_data *data = w83627hf_update_device(dev);
1205         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1206 }
1207
1208 static ssize_t
1209 store_temp_type(struct device *dev, struct device_attribute *devattr,
1210                 const char *buf, size_t count)
1211 {
1212         int nr = to_sensor_dev_attr(devattr)->index;
1213         struct w83627hf_data *data = dev_get_drvdata(dev);
1214         unsigned long val;
1215         u32 tmp;
1216         int err;
1217
1218         err = kstrtoul(buf, 10, &val);
1219         if (err)
1220                 return err;
1221
1222         mutex_lock(&data->update_lock);
1223
1224         switch (val) {
1225         case 1:         /* PII/Celeron diode */
1226                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1227                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1228                                     tmp | BIT_SCFG1[nr]);
1229                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1230                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1231                                     tmp | BIT_SCFG2[nr]);
1232                 data->sens[nr] = val;
1233                 break;
1234         case 2:         /* 3904 */
1235                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1236                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1237                                     tmp | BIT_SCFG1[nr]);
1238                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1239                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1240                                     tmp & ~BIT_SCFG2[nr]);
1241                 data->sens[nr] = val;
1242                 break;
1243         case W83781D_DEFAULT_BETA:
1244                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1245                          "instead\n", W83781D_DEFAULT_BETA);
1246                 /* fall through */
1247         case 4:         /* thermistor */
1248                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1249                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1250                                     tmp & ~BIT_SCFG1[nr]);
1251                 data->sens[nr] = val;
1252                 break;
1253         default:
1254                 dev_err(dev,
1255                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1256                        (long) val);
1257                 break;
1258         }
1259
1260         mutex_unlock(&data->update_lock);
1261         return count;
1262 }
1263
1264 #define sysfs_temp_type(offset) \
1265 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1266                           show_temp_type, store_temp_type, offset - 1);
1267
1268 sysfs_temp_type(1);
1269 sysfs_temp_type(2);
1270 sysfs_temp_type(3);
1271
1272 static ssize_t
1273 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1274 {
1275         struct w83627hf_data *data = dev_get_drvdata(dev);
1276
1277         return sprintf(buf, "%s\n", data->name);
1278 }
1279 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1280
1281 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1282                                 struct w83627hf_sio_data *sio_data)
1283 {
1284         int err;
1285         u16 val;
1286
1287         static __initconst char *const names[] = {
1288                 "W83627HF",
1289                 "W83627THF",
1290                 "W83697HF",
1291                 "W83637HF",
1292                 "W83687THF",
1293         };
1294
1295         sio_data->sioaddr = sioaddr;
1296         err = superio_enter(sio_data);
1297         if (err)
1298                 return err;
1299
1300         err = -ENODEV;
1301         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1302         switch (val) {
1303         case W627_DEVID:
1304                 sio_data->type = w83627hf;
1305                 break;
1306         case W627THF_DEVID:
1307                 sio_data->type = w83627thf;
1308                 break;
1309         case W697_DEVID:
1310                 sio_data->type = w83697hf;
1311                 break;
1312         case W637_DEVID:
1313                 sio_data->type = w83637hf;
1314                 break;
1315         case W687THF_DEVID:
1316                 sio_data->type = w83687thf;
1317                 break;
1318         case 0xff:      /* No device at all */
1319                 goto exit;
1320         default:
1321                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1322                 goto exit;
1323         }
1324
1325         superio_select(sio_data, W83627HF_LD_HWM);
1326         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1327                superio_inb(sio_data, WINB_BASE_REG + 1);
1328         *addr = val & WINB_ALIGNMENT;
1329         if (*addr == 0) {
1330                 pr_warn("Base address not set, skipping\n");
1331                 goto exit;
1332         }
1333
1334         val = superio_inb(sio_data, WINB_ACT_REG);
1335         if (!(val & 0x01)) {
1336                 pr_warn("Enabling HWM logical device\n");
1337                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1338         }
1339
1340         err = 0;
1341         pr_info(DRVNAME ": Found %s chip at %#x\n",
1342                 names[sio_data->type], *addr);
1343
1344  exit:
1345         superio_exit(sio_data);
1346         return err;
1347 }
1348
1349 #define VIN_UNIT_ATTRS(_X_)     \
1350         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1351         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1352         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1353         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1354         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1355
1356 #define FAN_UNIT_ATTRS(_X_)     \
1357         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1358         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1359         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1360         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1361         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1362
1363 #define TEMP_UNIT_ATTRS(_X_)    \
1364         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1365         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1366         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1367         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1368         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1369         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1370
1371 static struct attribute *w83627hf_attributes[] = {
1372         &dev_attr_in0_input.attr,
1373         &dev_attr_in0_min.attr,
1374         &dev_attr_in0_max.attr,
1375         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1376         &sensor_dev_attr_in0_beep.dev_attr.attr,
1377         VIN_UNIT_ATTRS(2),
1378         VIN_UNIT_ATTRS(3),
1379         VIN_UNIT_ATTRS(4),
1380         VIN_UNIT_ATTRS(7),
1381         VIN_UNIT_ATTRS(8),
1382
1383         FAN_UNIT_ATTRS(1),
1384         FAN_UNIT_ATTRS(2),
1385
1386         TEMP_UNIT_ATTRS(1),
1387         TEMP_UNIT_ATTRS(2),
1388
1389         &dev_attr_alarms.attr,
1390         &sensor_dev_attr_beep_enable.dev_attr.attr,
1391         &dev_attr_beep_mask.attr,
1392
1393         &sensor_dev_attr_pwm1.dev_attr.attr,
1394         &sensor_dev_attr_pwm2.dev_attr.attr,
1395         &dev_attr_name.attr,
1396         NULL
1397 };
1398
1399 static const struct attribute_group w83627hf_group = {
1400         .attrs = w83627hf_attributes,
1401 };
1402
1403 static struct attribute *w83627hf_attributes_opt[] = {
1404         VIN_UNIT_ATTRS(1),
1405         VIN_UNIT_ATTRS(5),
1406         VIN_UNIT_ATTRS(6),
1407
1408         FAN_UNIT_ATTRS(3),
1409         TEMP_UNIT_ATTRS(3),
1410         &sensor_dev_attr_pwm3.dev_attr.attr,
1411
1412         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1413         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1414         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1415
1416         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1417         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1418         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1419
1420         NULL
1421 };
1422
1423 static const struct attribute_group w83627hf_group_opt = {
1424         .attrs = w83627hf_attributes_opt,
1425 };
1426
1427 static int w83627hf_probe(struct platform_device *pdev)
1428 {
1429         struct device *dev = &pdev->dev;
1430         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1431         struct w83627hf_data *data;
1432         struct resource *res;
1433         int err, i;
1434
1435         static const char *names[] = {
1436                 "w83627hf",
1437                 "w83627thf",
1438                 "w83697hf",
1439                 "w83637hf",
1440                 "w83687thf",
1441         };
1442
1443         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1444         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1445                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1446                         (unsigned long)res->start,
1447                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1448                 return -EBUSY;
1449         }
1450
1451         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1452         if (!data)
1453                 return -ENOMEM;
1454
1455         data->addr = res->start;
1456         data->type = sio_data->type;
1457         data->name = names[sio_data->type];
1458         mutex_init(&data->lock);
1459         mutex_init(&data->update_lock);
1460         platform_set_drvdata(pdev, data);
1461
1462         /* Initialize the chip */
1463         w83627hf_init_device(pdev);
1464
1465         /* A few vars need to be filled upon startup */
1466         for (i = 0; i <= 2; i++)
1467                 data->fan_min[i] = w83627hf_read_value(
1468                                         data, W83627HF_REG_FAN_MIN(i));
1469         w83627hf_update_fan_div(data);
1470
1471         /* Register common device attributes */
1472         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1473         if (err)
1474                 return err;
1475
1476         /* Register chip-specific device attributes */
1477         if (data->type == w83627hf || data->type == w83697hf)
1478                 if ((err = device_create_file(dev,
1479                                 &sensor_dev_attr_in5_input.dev_attr))
1480                  || (err = device_create_file(dev,
1481                                 &sensor_dev_attr_in5_min.dev_attr))
1482                  || (err = device_create_file(dev,
1483                                 &sensor_dev_attr_in5_max.dev_attr))
1484                  || (err = device_create_file(dev,
1485                                 &sensor_dev_attr_in5_alarm.dev_attr))
1486                  || (err = device_create_file(dev,
1487                                 &sensor_dev_attr_in5_beep.dev_attr))
1488                  || (err = device_create_file(dev,
1489                                 &sensor_dev_attr_in6_input.dev_attr))
1490                  || (err = device_create_file(dev,
1491                                 &sensor_dev_attr_in6_min.dev_attr))
1492                  || (err = device_create_file(dev,
1493                                 &sensor_dev_attr_in6_max.dev_attr))
1494                  || (err = device_create_file(dev,
1495                                 &sensor_dev_attr_in6_alarm.dev_attr))
1496                  || (err = device_create_file(dev,
1497                                 &sensor_dev_attr_in6_beep.dev_attr))
1498                  || (err = device_create_file(dev,
1499                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1500                  || (err = device_create_file(dev,
1501                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1502                         goto error;
1503
1504         if (data->type != w83697hf)
1505                 if ((err = device_create_file(dev,
1506                                 &sensor_dev_attr_in1_input.dev_attr))
1507                  || (err = device_create_file(dev,
1508                                 &sensor_dev_attr_in1_min.dev_attr))
1509                  || (err = device_create_file(dev,
1510                                 &sensor_dev_attr_in1_max.dev_attr))
1511                  || (err = device_create_file(dev,
1512                                 &sensor_dev_attr_in1_alarm.dev_attr))
1513                  || (err = device_create_file(dev,
1514                                 &sensor_dev_attr_in1_beep.dev_attr))
1515                  || (err = device_create_file(dev,
1516                                 &sensor_dev_attr_fan3_input.dev_attr))
1517                  || (err = device_create_file(dev,
1518                                 &sensor_dev_attr_fan3_min.dev_attr))
1519                  || (err = device_create_file(dev,
1520                                 &sensor_dev_attr_fan3_div.dev_attr))
1521                  || (err = device_create_file(dev,
1522                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1523                  || (err = device_create_file(dev,
1524                                 &sensor_dev_attr_fan3_beep.dev_attr))
1525                  || (err = device_create_file(dev,
1526                                 &sensor_dev_attr_temp3_input.dev_attr))
1527                  || (err = device_create_file(dev,
1528                                 &sensor_dev_attr_temp3_max.dev_attr))
1529                  || (err = device_create_file(dev,
1530                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1531                  || (err = device_create_file(dev,
1532                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1533                  || (err = device_create_file(dev,
1534                                 &sensor_dev_attr_temp3_beep.dev_attr))
1535                  || (err = device_create_file(dev,
1536                                 &sensor_dev_attr_temp3_type.dev_attr)))
1537                         goto error;
1538
1539         if (data->type != w83697hf && data->vid != 0xff) {
1540                 /* Convert VID to voltage based on VRM */
1541                 data->vrm = vid_which_vrm();
1542
1543                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1544                  || (err = device_create_file(dev, &dev_attr_vrm)))
1545                         goto error;
1546         }
1547
1548         if (data->type == w83627thf || data->type == w83637hf
1549             || data->type == w83687thf) {
1550                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1551                 if (err)
1552                         goto error;
1553         }
1554
1555         if (data->type == w83637hf || data->type == w83687thf)
1556                 if ((err = device_create_file(dev,
1557                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1558                  || (err = device_create_file(dev,
1559                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1560                  || (err = device_create_file(dev,
1561                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1562                         goto error;
1563
1564         if (data->type != w83627hf)
1565                 if ((err = device_create_file(dev,
1566                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1567                  || (err = device_create_file(dev,
1568                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1569                         goto error;
1570
1571         if (data->type == w83627thf || data->type == w83637hf
1572             || data->type == w83687thf) {
1573                 err = device_create_file(dev,
1574                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1575                 if (err)
1576                         goto error;
1577         }
1578
1579         data->hwmon_dev = hwmon_device_register(dev);
1580         if (IS_ERR(data->hwmon_dev)) {
1581                 err = PTR_ERR(data->hwmon_dev);
1582                 goto error;
1583         }
1584
1585         return 0;
1586
1587  error:
1588         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1589         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1590         return err;
1591 }
1592
1593 static int w83627hf_remove(struct platform_device *pdev)
1594 {
1595         struct w83627hf_data *data = platform_get_drvdata(pdev);
1596
1597         hwmon_device_unregister(data->hwmon_dev);
1598
1599         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1600         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1601
1602         return 0;
1603 }
1604
1605
1606 /* Registers 0x50-0x5f are banked */
1607 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1608 {
1609         if ((reg & 0x00f0) == 0x50) {
1610                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1611                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1612         }
1613 }
1614
1615 /* Not strictly necessary, but play it safe for now */
1616 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1617 {
1618         if (reg & 0xff00) {
1619                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1620                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1621         }
1622 }
1623
1624 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1625 {
1626         int res, word_sized;
1627
1628         mutex_lock(&data->lock);
1629         word_sized = (((reg & 0xff00) == 0x100)
1630                    || ((reg & 0xff00) == 0x200))
1631                   && (((reg & 0x00ff) == 0x50)
1632                    || ((reg & 0x00ff) == 0x53)
1633                    || ((reg & 0x00ff) == 0x55));
1634         w83627hf_set_bank(data, reg);
1635         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1636         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1637         if (word_sized) {
1638                 outb_p((reg & 0xff) + 1,
1639                        data->addr + W83781D_ADDR_REG_OFFSET);
1640                 res =
1641                     (res << 8) + inb_p(data->addr +
1642                                        W83781D_DATA_REG_OFFSET);
1643         }
1644         w83627hf_reset_bank(data, reg);
1645         mutex_unlock(&data->lock);
1646         return res;
1647 }
1648
1649 static int w83627thf_read_gpio5(struct platform_device *pdev)
1650 {
1651         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1652         int res = 0xff, sel;
1653
1654         if (superio_enter(sio_data)) {
1655                 /*
1656                  * Some other driver reserved the address space for itself.
1657                  * We don't want to fail driver instantiation because of that,
1658                  * so display a warning and keep going.
1659                  */
1660                 dev_warn(&pdev->dev,
1661                          "Can not read VID data: Failed to enable SuperIO access\n");
1662                 return res;
1663         }
1664
1665         superio_select(sio_data, W83627HF_LD_GPIO5);
1666
1667         res = 0xff;
1668
1669         /* Make sure these GPIO pins are enabled */
1670         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1671                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1672                 goto exit;
1673         }
1674
1675         /*
1676          * Make sure the pins are configured for input
1677          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1678          */
1679         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1680         if ((sel & 0x1f) != 0x1f) {
1681                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1682                         "function\n");
1683                 goto exit;
1684         }
1685
1686         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1687         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1688
1689 exit:
1690         superio_exit(sio_data);
1691         return res;
1692 }
1693
1694 static int w83687thf_read_vid(struct platform_device *pdev)
1695 {
1696         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1697         int res = 0xff;
1698
1699         if (superio_enter(sio_data)) {
1700                 /*
1701                  * Some other driver reserved the address space for itself.
1702                  * We don't want to fail driver instantiation because of that,
1703                  * so display a warning and keep going.
1704                  */
1705                 dev_warn(&pdev->dev,
1706                          "Can not read VID data: Failed to enable SuperIO access\n");
1707                 return res;
1708         }
1709
1710         superio_select(sio_data, W83627HF_LD_HWM);
1711
1712         /* Make sure these GPIO pins are enabled */
1713         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1714                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1715                 goto exit;
1716         }
1717
1718         /* Make sure the pins are configured for input */
1719         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1720                 dev_dbg(&pdev->dev, "VID configured as output, "
1721                         "no VID function\n");
1722                 goto exit;
1723         }
1724
1725         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1726
1727 exit:
1728         superio_exit(sio_data);
1729         return res;
1730 }
1731
1732 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1733 {
1734         int word_sized;
1735
1736         mutex_lock(&data->lock);
1737         word_sized = (((reg & 0xff00) == 0x100)
1738                    || ((reg & 0xff00) == 0x200))
1739                   && (((reg & 0x00ff) == 0x53)
1740                    || ((reg & 0x00ff) == 0x55));
1741         w83627hf_set_bank(data, reg);
1742         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1743         if (word_sized) {
1744                 outb_p(value >> 8,
1745                        data->addr + W83781D_DATA_REG_OFFSET);
1746                 outb_p((reg & 0xff) + 1,
1747                        data->addr + W83781D_ADDR_REG_OFFSET);
1748         }
1749         outb_p(value & 0xff,
1750                data->addr + W83781D_DATA_REG_OFFSET);
1751         w83627hf_reset_bank(data, reg);
1752         mutex_unlock(&data->lock);
1753         return 0;
1754 }
1755
1756 static void w83627hf_init_device(struct platform_device *pdev)
1757 {
1758         struct w83627hf_data *data = platform_get_drvdata(pdev);
1759         int i;
1760         enum chips type = data->type;
1761         u8 tmp;
1762
1763         /* Minimize conflicts with other winbond i2c-only clients...  */
1764         /* disable i2c subclients... how to disable main i2c client?? */
1765         /* force i2c address to relatively uncommon address */
1766         if (type == w83627hf) {
1767                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1768                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1769         }
1770
1771         /* Read VID only once */
1772         if (type == w83627hf || type == w83637hf) {
1773                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1774                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1775                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1776         } else if (type == w83627thf) {
1777                 data->vid = w83627thf_read_gpio5(pdev);
1778         } else if (type == w83687thf) {
1779                 data->vid = w83687thf_read_vid(pdev);
1780         }
1781
1782         /* Read VRM & OVT Config only once */
1783         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1784                 data->vrm_ovt =
1785                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1786         }
1787
1788         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1789         for (i = 1; i <= 3; i++) {
1790                 if (!(tmp & BIT_SCFG1[i - 1])) {
1791                         data->sens[i - 1] = 4;
1792                 } else {
1793                         if (w83627hf_read_value
1794                             (data,
1795                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1796                                 data->sens[i - 1] = 1;
1797                         else
1798                                 data->sens[i - 1] = 2;
1799                 }
1800                 if ((type == w83697hf) && (i == 2))
1801                         break;
1802         }
1803
1804         if(init) {
1805                 /* Enable temp2 */
1806                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1807                 if (tmp & 0x01) {
1808                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1809                                  "might not make sense\n");
1810                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1811                                 tmp & 0xfe);
1812                 }
1813
1814                 /* Enable temp3 */
1815                 if (type != w83697hf) {
1816                         tmp = w83627hf_read_value(data,
1817                                 W83627HF_REG_TEMP3_CONFIG);
1818                         if (tmp & 0x01) {
1819                                 dev_warn(&pdev->dev, "Enabling temp3, "
1820                                          "readings might not make sense\n");
1821                                 w83627hf_write_value(data,
1822                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1823                         }
1824                 }
1825         }
1826
1827         /* Start monitoring */
1828         w83627hf_write_value(data, W83781D_REG_CONFIG,
1829                             (w83627hf_read_value(data,
1830                                                 W83781D_REG_CONFIG) & 0xf7)
1831                             | 0x01);
1832
1833         /* Enable VBAT monitoring if needed */
1834         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1835         if (!(tmp & 0x01))
1836                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1837 }
1838
1839 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1840 {
1841         int reg;
1842
1843         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1844         data->fan_div[0] = (reg >> 4) & 0x03;
1845         data->fan_div[1] = (reg >> 6) & 0x03;
1846         if (data->type != w83697hf) {
1847                 data->fan_div[2] = (w83627hf_read_value(data,
1848                                        W83781D_REG_PIN) >> 6) & 0x03;
1849         }
1850         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1851         data->fan_div[0] |= (reg >> 3) & 0x04;
1852         data->fan_div[1] |= (reg >> 4) & 0x04;
1853         if (data->type != w83697hf)
1854                 data->fan_div[2] |= (reg >> 5) & 0x04;
1855 }
1856
1857 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1858 {
1859         struct w83627hf_data *data = dev_get_drvdata(dev);
1860         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1861         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1862
1863         mutex_lock(&data->update_lock);
1864
1865         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1866             || !data->valid) {
1867                 for (i = 0; i <= 8; i++) {
1868                         /* skip missing sensors */
1869                         if (((data->type == w83697hf) && (i == 1)) ||
1870                             ((data->type != w83627hf && data->type != w83697hf)
1871                             && (i == 5 || i == 6)))
1872                                 continue;
1873                         data->in[i] =
1874                             w83627hf_read_value(data, W83781D_REG_IN(i));
1875                         data->in_min[i] =
1876                             w83627hf_read_value(data,
1877                                                W83781D_REG_IN_MIN(i));
1878                         data->in_max[i] =
1879                             w83627hf_read_value(data,
1880                                                W83781D_REG_IN_MAX(i));
1881                 }
1882                 for (i = 0; i <= 2; i++) {
1883                         data->fan[i] =
1884                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1885                         data->fan_min[i] =
1886                             w83627hf_read_value(data,
1887                                                W83627HF_REG_FAN_MIN(i));
1888                 }
1889                 for (i = 0; i <= 2; i++) {
1890                         u8 tmp = w83627hf_read_value(data,
1891                                 W836X7HF_REG_PWM(data->type, i));
1892                         /* bits 0-3 are reserved  in 627THF */
1893                         if (data->type == w83627thf)
1894                                 tmp &= 0xf0;
1895                         data->pwm[i] = tmp;
1896                         if (i == 1 &&
1897                             (data->type == w83627hf || data->type == w83697hf))
1898                                 break;
1899                 }
1900                 if (data->type == w83627hf) {
1901                                 u8 tmp = w83627hf_read_value(data,
1902                                                 W83627HF_REG_PWM_FREQ);
1903                                 data->pwm_freq[0] = tmp & 0x07;
1904                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1905                 } else if (data->type != w83627thf) {
1906                         for (i = 1; i <= 3; i++) {
1907                                 data->pwm_freq[i - 1] =
1908                                         w83627hf_read_value(data,
1909                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1910                                 if (i == 2 && (data->type == w83697hf))
1911                                         break;
1912                         }
1913                 }
1914                 if (data->type != w83627hf) {
1915                         for (i = 0; i < num_pwms; i++) {
1916                                 u8 tmp = w83627hf_read_value(data,
1917                                         W83627THF_REG_PWM_ENABLE[i]);
1918                                 data->pwm_enable[i] =
1919                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1920                                         & 0x03) + 1;
1921                         }
1922                 }
1923                 for (i = 0; i < num_temps; i++) {
1924                         data->temp[i] = w83627hf_read_value(
1925                                                 data, w83627hf_reg_temp[i]);
1926                         data->temp_max[i] = w83627hf_read_value(
1927                                                 data, w83627hf_reg_temp_over[i]);
1928                         data->temp_max_hyst[i] = w83627hf_read_value(
1929                                                 data, w83627hf_reg_temp_hyst[i]);
1930                 }
1931
1932                 w83627hf_update_fan_div(data);
1933
1934                 data->alarms =
1935                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1936                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1937                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1938                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1939                 data->beep_mask = (i << 8) |
1940                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1941                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1942                 data->last_updated = jiffies;
1943                 data->valid = 1;
1944         }
1945
1946         mutex_unlock(&data->update_lock);
1947
1948         return data;
1949 }
1950
1951 static int __init w83627hf_device_add(unsigned short address,
1952                                       const struct w83627hf_sio_data *sio_data)
1953 {
1954         struct resource res = {
1955                 .start  = address + WINB_REGION_OFFSET,
1956                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1957                 .name   = DRVNAME,
1958                 .flags  = IORESOURCE_IO,
1959         };
1960         int err;
1961
1962         err = acpi_check_resource_conflict(&res);
1963         if (err)
1964                 goto exit;
1965
1966         pdev = platform_device_alloc(DRVNAME, address);
1967         if (!pdev) {
1968                 err = -ENOMEM;
1969                 pr_err("Device allocation failed\n");
1970                 goto exit;
1971         }
1972
1973         err = platform_device_add_resources(pdev, &res, 1);
1974         if (err) {
1975                 pr_err("Device resource addition failed (%d)\n", err);
1976                 goto exit_device_put;
1977         }
1978
1979         err = platform_device_add_data(pdev, sio_data,
1980                                        sizeof(struct w83627hf_sio_data));
1981         if (err) {
1982                 pr_err("Platform data allocation failed\n");
1983                 goto exit_device_put;
1984         }
1985
1986         err = platform_device_add(pdev);
1987         if (err) {
1988                 pr_err("Device addition failed (%d)\n", err);
1989                 goto exit_device_put;
1990         }
1991
1992         return 0;
1993
1994 exit_device_put:
1995         platform_device_put(pdev);
1996 exit:
1997         return err;
1998 }
1999
2000 static int __init sensors_w83627hf_init(void)
2001 {
2002         int err;
2003         unsigned short address;
2004         struct w83627hf_sio_data sio_data;
2005
2006         if (w83627hf_find(0x2e, &address, &sio_data)
2007          && w83627hf_find(0x4e, &address, &sio_data))
2008                 return -ENODEV;
2009
2010         err = platform_driver_register(&w83627hf_driver);
2011         if (err)
2012                 goto exit;
2013
2014         /* Sets global pdev as a side effect */
2015         err = w83627hf_device_add(address, &sio_data);
2016         if (err)
2017                 goto exit_driver;
2018
2019         return 0;
2020
2021 exit_driver:
2022         platform_driver_unregister(&w83627hf_driver);
2023 exit:
2024         return err;
2025 }
2026
2027 static void __exit sensors_w83627hf_exit(void)
2028 {
2029         platform_device_unregister(pdev);
2030         platform_driver_unregister(&w83627hf_driver);
2031 }
2032
2033 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2034               "Philip Edelbrock <phil@netroedge.com>, "
2035               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2036 MODULE_DESCRIPTION("W83627HF driver");
2037 MODULE_LICENSE("GPL");
2038
2039 module_init(sensors_w83627hf_init);
2040 module_exit(sensors_w83627hf_exit);