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 void
 134 superio_enter(struct w83627hf_sio_data *sio)
 135 {
 136         outb(0x87, sio->sioaddr);
 137         outb(0x87, sio->sioaddr);
 138 }
 139
 140 static inline void
 141 superio_exit(struct w83627hf_sio_data *sio)
 142 {
 143         outb(0xAA, sio->sioaddr);
 144 }
 145
 146 #define W627_DEVID 0x52
 147 #define W627THF_DEVID 0x82
 148 #define W697_DEVID 0x60
 149 #define W637_DEVID 0x70
 150 #define W687THF_DEVID 0x85
 151 #define WINB_ACT_REG 0x30
 152 #define WINB_BASE_REG 0x60
 153 /* Constants specified below */
 154
 155 /* Alignment of the base address */
 156 #define WINB_ALIGNMENT          ~7
 157
 158 /* Offset & size of I/O region we are interested in */
 159 #define WINB_REGION_OFFSET      5
 160 #define WINB_REGION_SIZE        2
 161
 162 /* Where are the sensors address/data registers relative to the region offset */
 163 #define W83781D_ADDR_REG_OFFSET 0
 164 #define W83781D_DATA_REG_OFFSET 1
 165
 166 /* The W83781D registers */
 167 /* The W83782D registers for nr=7,8 are in bank 5 */
 168 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 169                                            (0x554 + (((nr) - 7) * 2)))
 170 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 171                                            (0x555 + (((nr) - 7) * 2)))
 172 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 173                                            (0x550 + (nr) - 7))
 174
 175 /* nr:0-2 for fans:1-3 */
 176 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 177 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 178
 179 #define W83627HF_REG_TEMP2_CONFIG 0x152
 180 #define W83627HF_REG_TEMP3_CONFIG 0x252
 181 /* these are zero-based, unlike config constants above */
 182 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 183 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 184 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 185
 186 #define W83781D_REG_BANK 0x4E
 187
 188 #define W83781D_REG_CONFIG 0x40
 189 #define W83781D_REG_ALARM1 0x459
 190 #define W83781D_REG_ALARM2 0x45A
 191 #define W83781D_REG_ALARM3 0x45B
 192
 193 #define W83781D_REG_BEEP_CONFIG 0x4D
 194 #define W83781D_REG_BEEP_INTS1 0x56
 195 #define W83781D_REG_BEEP_INTS2 0x57
 196 #define W83781D_REG_BEEP_INTS3 0x453
 197
 198 #define W83781D_REG_VID_FANDIV 0x47
 199
 200 #define W83781D_REG_CHIPID 0x49
 201 #define W83781D_REG_WCHIPID 0x58
 202 #define W83781D_REG_CHIPMAN 0x4F
 203 #define W83781D_REG_PIN 0x4B
 204
 205 #define W83781D_REG_VBAT 0x5D
 206
 207 #define W83627HF_REG_PWM1 0x5A
 208 #define W83627HF_REG_PWM2 0x5B
 209
 210 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 211         0x04,           /* FAN 1 mode */
 212         0x04,           /* FAN 2 mode */
 213         0x12,           /* FAN AUX mode */
 214 };
 215 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 216
 217 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 218 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 219 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 220
 221 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 222
 223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 224 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 225                              W83627THF_REG_PWM3 };
 226 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 227                                     regpwm_627hf[nr] : regpwm[nr])
 228
 229 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 230
 231 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 232 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 233 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 234
 235 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 236                                         W83637HF_REG_PWM_FREQ2,
 237                                         W83637HF_REG_PWM_FREQ3 };
 238
 239 #define W83627HF_BASE_PWM_FREQ  46870
 240
 241 #define W83781D_REG_I2C_ADDR 0x48
 242 #define W83781D_REG_I2C_SUBADDR 0x4A
 243
 244 /* Sensor selection */
 245 #define W83781D_REG_SCFG1 0x5D
 246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 247 #define W83781D_REG_SCFG2 0x59
 248 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 249 #define W83781D_DEFAULT_BETA 3435
 250
 251 /*
 252  * Conversions. Limit checking is only done on the TO_REG
 253  * variants. Note that you should be a bit careful with which arguments
 254  * these macros are called: arguments may be evaluated more than once.
 255  * Fixing this is just not worth it.
 256  */
 257 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 258 #define IN_FROM_REG(val) ((val) * 16)
 259
 260 static inline u8 FAN_TO_REG(long rpm, int div)
 261 {
 262         if (rpm == 0)
 263                 return 255;
 264         rpm = clamp_val(rpm, 1, 1000000);
 265         return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 266 }
 267
 268 #define TEMP_MIN (-128000)
 269 #define TEMP_MAX ( 127000)
 270
 271 /*
 272  * TEMP: 0.001C/bit (-128C to +127C)
 273  * REG: 1C/bit, two's complement
 274  */
 275 static u8 TEMP_TO_REG(long temp)
 276 {
 277         int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 278         ntemp += (ntemp < 0 ? -500 : 500);
 279         return (u8)(ntemp / 1000);
 280 }
 281
 282 static int TEMP_FROM_REG(u8 reg)
 283 {
 284         return (s8)reg * 1000;
 285 }
 286
 287 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 288
 289 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 290
 291 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 292 {
 293         unsigned long freq;
 294         freq = W83627HF_BASE_PWM_FREQ >> reg;
 295         return freq;
 296 }
 297 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 298 {
 299         u8 i;
 300         /*
 301          * Only 5 dividers (1 2 4 8 16)
 302          * Search for the nearest available frequency
 303          */
 304         for (i = 0; i < 4; i++) {
 305                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 306                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 307                         break;
 308         }
 309         return i;
 310 }
 311
 312 static inline unsigned long pwm_freq_from_reg(u8 reg)
 313 {
 314         /* Clock bit 8 -> 180 kHz or 24 MHz */
 315         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 316
 317         reg &= 0x7f;
 318         /* This should not happen but anyway... */
 319         if (reg == 0)
 320                 reg++;
 321         return clock / (reg << 8);
 322 }
 323 static inline u8 pwm_freq_to_reg(unsigned long val)
 324 {
 325         /* Minimum divider value is 0x01 and maximum is 0x7F */
 326         if (val >= 93750)       /* The highest we can do */
 327                 return 0x01;
 328         if (val >= 720) /* Use 24 MHz clock */
 329                 return 24000000UL / (val << 8);
 330         if (val < 6)            /* The lowest we can do */
 331                 return 0xFF;
 332         else                    /* Use 180 kHz clock */
 333                 return 0x80 | (180000UL / (val << 8));
 334 }
 335
 336 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 337 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 338
 339 #define DIV_FROM_REG(val) (1 << (val))
 340
 341 static inline u8 DIV_TO_REG(long val)
 342 {
 343         int i;
 344         val = clamp_val(val, 1, 128) >> 1;
 345         for (i = 0; i < 7; i++) {
 346                 if (val == 0)
 347                         break;
 348                 val >>= 1;
 349         }
 350         return (u8)i;
 351 }
 352
 353 /*
 354  * For each registered chip, we need to keep some data in memory.
 355  * The structure is dynamically allocated.
 356  */
 357 struct w83627hf_data {
 358         unsigned short addr;
 359         const char *name;
 360         struct device *hwmon_dev;
 361         struct mutex lock;
 362         enum chips type;
 363
 364         struct mutex update_lock;
 365         char valid;             /* !=0 if following fields are valid */
 366         unsigned long last_updated;     /* In jiffies */
 367
 368         u8 in[9];               /* Register value */
 369         u8 in_max[9];           /* Register value */
 370         u8 in_min[9];           /* Register value */
 371         u8 fan[3];              /* Register value */
 372         u8 fan_min[3];          /* Register value */
 373         u16 temp[3];            /* Register value */
 374         u16 temp_max[3];        /* Register value */
 375         u16 temp_max_hyst[3];   /* Register value */
 376         u8 fan_div[3];          /* Register encoding, shifted right */
 377         u8 vid;                 /* Register encoding, combined */
 378         u32 alarms;             /* Register encoding, combined */
 379         u32 beep_mask;          /* Register encoding, combined */
 380         u8 pwm[3];              /* Register value */
 381         u8 pwm_enable[3];       /* 1 = manual
 382                                  * 2 = thermal cruise (also called SmartFan I)
 383                                  * 3 = fan speed cruise
 384                                  */
 385         u8 pwm_freq[3];         /* Register value */
 386         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 387                                  * 4 = thermistor
 388                                  */
 389         u8 vrm;
 390         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 391
 392 #ifdef CONFIG_PM
 393         /* Remember extra register values over suspend/resume */
 394         u8 scfg1;
 395         u8 scfg2;
 396 #endif
 397 };
 398
 399
 400 static int w83627hf_probe(struct platform_device *pdev);
 401 static int w83627hf_remove(struct platform_device *pdev);
 402
 403 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 404 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 405 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 406 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 407 static void w83627hf_init_device(struct platform_device *pdev);
 408
 409 #ifdef CONFIG_PM
 410 static int w83627hf_suspend(struct device *dev)
 411 {
 412         struct w83627hf_data *data = w83627hf_update_device(dev);
 413
 414         mutex_lock(&data->update_lock);
 415         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 416         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 417         mutex_unlock(&data->update_lock);
 418
 419         return 0;
 420 }
 421
 422 static int w83627hf_resume(struct device *dev)
 423 {
 424         struct w83627hf_data *data = dev_get_drvdata(dev);
 425         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 426
 427         /* Restore limits */
 428         mutex_lock(&data->update_lock);
 429         for (i = 0; i <= 8; i++) {
 430                 /* skip missing sensors */
 431                 if (((data->type == w83697hf) && (i == 1)) ||
 432                     ((data->type != w83627hf && data->type != w83697hf)
 433                     && (i == 5 || i == 6)))
 434                         continue;
 435                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 436                                      data->in_max[i]);
 437                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 438                                      data->in_min[i]);
 439         }
 440         for (i = 0; i <= 2; i++)
 441                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 442                                      data->fan_min[i]);
 443         for (i = 0; i < num_temps; i++) {
 444                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 445                                      data->temp_max[i]);
 446                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 447                                      data->temp_max_hyst[i]);
 448         }
 449
 450         /* Fixup BIOS bugs */
 451         if (data->type == w83627thf || data->type == w83637hf ||
 452             data->type == w83687thf)
 453                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 454                                      data->vrm_ovt);
 455         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 456         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 457
 458         /* Force re-reading all values */
 459         data->valid = 0;
 460         mutex_unlock(&data->update_lock);
 461
 462         return 0;
 463 }
 464
 465 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 466         .suspend = w83627hf_suspend,
 467         .resume = w83627hf_resume,
 468 };
 469
 470 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 471 #else
 472 #define W83627HF_DEV_PM_OPS     NULL
 473 #endif /* CONFIG_PM */
 474
 475 static struct platform_driver w83627hf_driver = {
 476         .driver = {
 477                 .name   = DRVNAME,
 478                 .pm     = W83627HF_DEV_PM_OPS,
 479         },
 480         .probe          = w83627hf_probe,
 481         .remove         = w83627hf_remove,
 482 };
 483
 484 static ssize_t
 485 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 486 {
 487         int nr = to_sensor_dev_attr(devattr)->index;
 488         struct w83627hf_data *data = w83627hf_update_device(dev);
 489         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 490 }
 491 static ssize_t
 492 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 493 {
 494         int nr = to_sensor_dev_attr(devattr)->index;
 495         struct w83627hf_data *data = w83627hf_update_device(dev);
 496         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 497 }
 498 static ssize_t
 499 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 500 {
 501         int nr = to_sensor_dev_attr(devattr)->index;
 502         struct w83627hf_data *data = w83627hf_update_device(dev);
 503         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 504 }
 505 static ssize_t
 506 store_in_min(struct device *dev, struct device_attribute *devattr,
 507              const char *buf, size_t count)
 508 {
 509         int nr = to_sensor_dev_attr(devattr)->index;
 510         struct w83627hf_data *data = dev_get_drvdata(dev);
 511         long val;
 512         int err;
 513
 514         err = kstrtol(buf, 10, &val);
 515         if (err)
 516                 return err;
 517
 518         mutex_lock(&data->update_lock);
 519         data->in_min[nr] = IN_TO_REG(val);
 520         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 521         mutex_unlock(&data->update_lock);
 522         return count;
 523 }
 524 static ssize_t
 525 store_in_max(struct device *dev, struct device_attribute *devattr,
 526              const char *buf, size_t count)
 527 {
 528         int nr = to_sensor_dev_attr(devattr)->index;
 529         struct w83627hf_data *data = dev_get_drvdata(dev);
 530         long val;
 531         int err;
 532
 533         err = kstrtol(buf, 10, &val);
 534         if (err)
 535                 return err;
 536
 537         mutex_lock(&data->update_lock);
 538         data->in_max[nr] = IN_TO_REG(val);
 539         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 540         mutex_unlock(&data->update_lock);
 541         return count;
 542 }
 543 #define sysfs_vin_decl(offset) \
 544 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 545                           show_in_input, NULL, offset);         \
 546 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 547                           show_in_min, store_in_min, offset);   \
 548 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 549                           show_in_max, store_in_max, offset);
 550
 551 sysfs_vin_decl(1);
 552 sysfs_vin_decl(2);
 553 sysfs_vin_decl(3);
 554 sysfs_vin_decl(4);
 555 sysfs_vin_decl(5);
 556 sysfs_vin_decl(6);
 557 sysfs_vin_decl(7);
 558 sysfs_vin_decl(8);
 559
 560 /* use a different set of functions for in0 */
 561 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 562 {
 563         long in0;
 564
 565         if ((data->vrm_ovt & 0x01) &&
 566                 (w83627thf == data->type || w83637hf == data->type
 567                  || w83687thf == data->type))
 568
 569                 /* use VRM9 calculation */
 570                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 571         else
 572                 /* use VRM8 (standard) calculation */
 573                 in0 = (long)IN_FROM_REG(reg);
 574
 575         return sprintf(buf,"%ld\n", in0);
 576 }
 577
 578 static ssize_t in0_input_show(struct device *dev,
 579                               struct device_attribute *attr, char *buf)
 580 {
 581         struct w83627hf_data *data = w83627hf_update_device(dev);
 582         return show_in_0(data, buf, data->in[0]);
 583 }
 584
 585 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
 586                             char *buf)
 587 {
 588         struct w83627hf_data *data = w83627hf_update_device(dev);
 589         return show_in_0(data, buf, data->in_min[0]);
 590 }
 591
 592 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
 593                             char *buf)
 594 {
 595         struct w83627hf_data *data = w83627hf_update_device(dev);
 596         return show_in_0(data, buf, data->in_max[0]);
 597 }
 598
 599 static ssize_t in0_min_store(struct device *dev,
 600                              struct device_attribute *attr, const char *buf,
 601                              size_t count)
 602 {
 603         struct w83627hf_data *data = dev_get_drvdata(dev);
 604         unsigned long val;
 605         int err;
 606
 607         err = kstrtoul(buf, 10, &val);
 608         if (err)
 609                 return err;
 610
 611         mutex_lock(&data->update_lock);
 612
 613         if ((data->vrm_ovt & 0x01) &&
 614                 (w83627thf == data->type || w83637hf == data->type
 615                  || w83687thf == data->type))
 616
 617                 /* use VRM9 calculation */
 618                 data->in_min[0] =
 619                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 620         else
 621                 /* use VRM8 (standard) calculation */
 622                 data->in_min[0] = IN_TO_REG(val);
 623
 624         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 625         mutex_unlock(&data->update_lock);
 626         return count;
 627 }
 628
 629 static ssize_t in0_max_store(struct device *dev,
 630                              struct device_attribute *attr, const char *buf,
 631                              size_t count)
 632 {
 633         struct w83627hf_data *data = dev_get_drvdata(dev);
 634         unsigned long val;
 635         int err;
 636
 637         err = kstrtoul(buf, 10, &val);
 638         if (err)
 639                 return err;
 640
 641         mutex_lock(&data->update_lock);
 642
 643         if ((data->vrm_ovt & 0x01) &&
 644                 (w83627thf == data->type || w83637hf == data->type
 645                  || w83687thf == data->type))
 646
 647                 /* use VRM9 calculation */
 648                 data->in_max[0] =
 649                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 650         else
 651                 /* use VRM8 (standard) calculation */
 652                 data->in_max[0] = IN_TO_REG(val);
 653
 654         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 655         mutex_unlock(&data->update_lock);
 656         return count;
 657 }
 658
 659 static DEVICE_ATTR_RO(in0_input);
 660 static DEVICE_ATTR_RW(in0_min);
 661 static DEVICE_ATTR_RW(in0_max);
 662
 663 static ssize_t
 664 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 665 {
 666         int nr = to_sensor_dev_attr(devattr)->index;
 667         struct w83627hf_data *data = w83627hf_update_device(dev);
 668         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 669                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 670 }
 671 static ssize_t
 672 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 673 {
 674         int nr = to_sensor_dev_attr(devattr)->index;
 675         struct w83627hf_data *data = w83627hf_update_device(dev);
 676         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 677                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 678 }
 679 static ssize_t
 680 store_fan_min(struct device *dev, struct device_attribute *devattr,
 681               const char *buf, size_t count)
 682 {
 683         int nr = to_sensor_dev_attr(devattr)->index;
 684         struct w83627hf_data *data = dev_get_drvdata(dev);
 685         unsigned long val;
 686         int err;
 687
 688         err = kstrtoul(buf, 10, &val);
 689         if (err)
 690                 return err;
 691
 692         mutex_lock(&data->update_lock);
 693         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 694         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 695                              data->fan_min[nr]);
 696
 697         mutex_unlock(&data->update_lock);
 698         return count;
 699 }
 700 #define sysfs_fan_decl(offset)  \
 701 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 702                           show_fan_input, NULL, offset - 1);            \
 703 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 704                           show_fan_min, store_fan_min, offset - 1);
 705
 706 sysfs_fan_decl(1);
 707 sysfs_fan_decl(2);
 708 sysfs_fan_decl(3);
 709
 710 static ssize_t
 711 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 712 {
 713         int nr = to_sensor_dev_attr(devattr)->index;
 714         struct w83627hf_data *data = w83627hf_update_device(dev);
 715
 716         u16 tmp = data->temp[nr];
 717         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 718                                           : (long) TEMP_FROM_REG(tmp));
 719 }
 720
 721 static ssize_t
 722 show_temp_max(struct device *dev, struct device_attribute *devattr,
 723               char *buf)
 724 {
 725         int nr = to_sensor_dev_attr(devattr)->index;
 726         struct w83627hf_data *data = w83627hf_update_device(dev);
 727
 728         u16 tmp = data->temp_max[nr];
 729         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 730                                           : (long) TEMP_FROM_REG(tmp));
 731 }
 732
 733 static ssize_t
 734 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 735                    char *buf)
 736 {
 737         int nr = to_sensor_dev_attr(devattr)->index;
 738         struct w83627hf_data *data = w83627hf_update_device(dev);
 739
 740         u16 tmp = data->temp_max_hyst[nr];
 741         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 742                                           : (long) TEMP_FROM_REG(tmp));
 743 }
 744
 745 static ssize_t
 746 store_temp_max(struct device *dev, struct device_attribute *devattr,
 747                const char *buf, size_t count)
 748 {
 749         int nr = to_sensor_dev_attr(devattr)->index;
 750         struct w83627hf_data *data = dev_get_drvdata(dev);
 751         u16 tmp;
 752         long val;
 753         int err;
 754
 755         err = kstrtol(buf, 10, &val);
 756         if (err)
 757                 return err;
 758
 759         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 760         mutex_lock(&data->update_lock);
 761         data->temp_max[nr] = tmp;
 762         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 763         mutex_unlock(&data->update_lock);
 764         return count;
 765 }
 766
 767 static ssize_t
 768 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 769                     const char *buf, size_t count)
 770 {
 771         int nr = to_sensor_dev_attr(devattr)->index;
 772         struct w83627hf_data *data = dev_get_drvdata(dev);
 773         u16 tmp;
 774         long val;
 775         int err;
 776
 777         err = kstrtol(buf, 10, &val);
 778         if (err)
 779                 return err;
 780
 781         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 782         mutex_lock(&data->update_lock);
 783         data->temp_max_hyst[nr] = tmp;
 784         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 785         mutex_unlock(&data->update_lock);
 786         return count;
 787 }
 788
 789 #define sysfs_temp_decl(offset) \
 790 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 791                           show_temp, NULL, offset - 1);                 \
 792 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 793                           show_temp_max, store_temp_max, offset - 1);   \
 794 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 795                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 796
 797 sysfs_temp_decl(1);
 798 sysfs_temp_decl(2);
 799 sysfs_temp_decl(3);
 800
 801 static ssize_t
 802 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
 803 {
 804         struct w83627hf_data *data = w83627hf_update_device(dev);
 805         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 806 }
 807 static DEVICE_ATTR_RO(cpu0_vid);
 808
 809 static ssize_t
 810 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
 811 {
 812         struct w83627hf_data *data = dev_get_drvdata(dev);
 813         return sprintf(buf, "%ld\n", (long) data->vrm);
 814 }
 815 static ssize_t
 816 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
 817           size_t count)
 818 {
 819         struct w83627hf_data *data = dev_get_drvdata(dev);
 820         unsigned long val;
 821         int err;
 822
 823         err = kstrtoul(buf, 10, &val);
 824         if (err)
 825                 return err;
 826
 827         if (val > 255)
 828                 return -EINVAL;
 829         data->vrm = val;
 830
 831         return count;
 832 }
 833 static DEVICE_ATTR_RW(vrm);
 834
 835 static ssize_t
 836 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
 837 {
 838         struct w83627hf_data *data = w83627hf_update_device(dev);
 839         return sprintf(buf, "%ld\n", (long) data->alarms);
 840 }
 841 static DEVICE_ATTR_RO(alarms);
 842
 843 static ssize_t
 844 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 845 {
 846         struct w83627hf_data *data = w83627hf_update_device(dev);
 847         int bitnr = to_sensor_dev_attr(attr)->index;
 848         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 849 }
 850 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 851 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 852 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 853 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 854 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 855 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 856 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 857 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 858 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 859 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 860 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 861 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 862 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 863 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 864 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 865
 866 static ssize_t
 867 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
 868 {
 869         struct w83627hf_data *data = w83627hf_update_device(dev);
 870         return sprintf(buf, "%ld\n",
 871                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 872 }
 873
 874 static ssize_t
 875 beep_mask_store(struct device *dev, struct device_attribute *attr,
 876                 const char *buf, size_t count)
 877 {
 878         struct w83627hf_data *data = dev_get_drvdata(dev);
 879         unsigned long val;
 880         int err;
 881
 882         err = kstrtoul(buf, 10, &val);
 883         if (err)
 884                 return err;
 885
 886         mutex_lock(&data->update_lock);
 887
 888         /* preserve beep enable */
 889         data->beep_mask = (data->beep_mask & 0x8000)
 890                         | BEEP_MASK_TO_REG(val);
 891         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 892                             data->beep_mask & 0xff);
 893         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 894                             ((data->beep_mask) >> 16) & 0xff);
 895         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 896                             (data->beep_mask >> 8) & 0xff);
 897
 898         mutex_unlock(&data->update_lock);
 899         return count;
 900 }
 901
 902 static DEVICE_ATTR_RW(beep_mask);
 903
 904 static ssize_t
 905 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 906 {
 907         struct w83627hf_data *data = w83627hf_update_device(dev);
 908         int bitnr = to_sensor_dev_attr(attr)->index;
 909         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 910 }
 911
 912 static ssize_t
 913 store_beep(struct device *dev, struct device_attribute *attr,
 914                 const char *buf, size_t count)
 915 {
 916         struct w83627hf_data *data = dev_get_drvdata(dev);
 917         int bitnr = to_sensor_dev_attr(attr)->index;
 918         u8 reg;
 919         unsigned long bit;
 920         int err;
 921
 922         err = kstrtoul(buf, 10, &bit);
 923         if (err)
 924                 return err;
 925
 926         if (bit & ~1)
 927                 return -EINVAL;
 928
 929         mutex_lock(&data->update_lock);
 930         if (bit)
 931                 data->beep_mask |= (1 << bitnr);
 932         else
 933                 data->beep_mask &= ~(1 << bitnr);
 934
 935         if (bitnr < 8) {
 936                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 937                 if (bit)
 938                         reg |= (1 << bitnr);
 939                 else
 940                         reg &= ~(1 << bitnr);
 941                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 942         } else if (bitnr < 16) {
 943                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 944                 if (bit)
 945                         reg |= (1 << (bitnr - 8));
 946                 else
 947                         reg &= ~(1 << (bitnr - 8));
 948                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 949         } else {
 950                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 951                 if (bit)
 952                         reg |= (1 << (bitnr - 16));
 953                 else
 954                         reg &= ~(1 << (bitnr - 16));
 955                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 956         }
 957         mutex_unlock(&data->update_lock);
 958
 959         return count;
 960 }
 961
 962 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 963                         show_beep, store_beep, 0);
 964 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 965                         show_beep, store_beep, 1);
 966 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 967                         show_beep, store_beep, 2);
 968 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 969                         show_beep, store_beep, 3);
 970 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 971                         show_beep, store_beep, 8);
 972 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 973                         show_beep, store_beep, 9);
 974 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 975                         show_beep, store_beep, 10);
 976 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 977                         show_beep, store_beep, 16);
 978 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 979                         show_beep, store_beep, 17);
 980 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 981                         show_beep, store_beep, 6);
 982 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 983                         show_beep, store_beep, 7);
 984 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 985                         show_beep, store_beep, 11);
 986 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 987                         show_beep, store_beep, 4);
 988 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 989                         show_beep, store_beep, 5);
 990 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 991                         show_beep, store_beep, 13);
 992 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 993                         show_beep, store_beep, 15);
 994
 995 static ssize_t
 996 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 997 {
 998         int nr = to_sensor_dev_attr(devattr)->index;
 999         struct w83627hf_data *data = w83627hf_update_device(dev);
1000         return sprintf(buf, "%ld\n",
1001                        (long) DIV_FROM_REG(data->fan_div[nr]));
1002 }
1003 /*
1004  * Note: we save and restore the fan minimum here, because its value is
1005  * determined in part by the fan divisor.  This follows the principle of
1006  * least surprise; the user doesn't expect the fan minimum to change just
1007  * because the divisor changed.
1008  */
1009 static ssize_t
1010 store_fan_div(struct device *dev, struct device_attribute *devattr,
1011               const char *buf, size_t count)
1012 {
1013         int nr = to_sensor_dev_attr(devattr)->index;
1014         struct w83627hf_data *data = dev_get_drvdata(dev);
1015         unsigned long min;
1016         u8 reg;
1017         unsigned long val;
1018         int err;
1019
1020         err = kstrtoul(buf, 10, &val);
1021         if (err)
1022                 return err;
1023
1024         mutex_lock(&data->update_lock);
1025
1026         /* Save fan_min */
1027         min = FAN_FROM_REG(data->fan_min[nr],
1028                            DIV_FROM_REG(data->fan_div[nr]));
1029
1030         data->fan_div[nr] = DIV_TO_REG(val);
1031
1032         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1033                & (nr==0 ? 0xcf : 0x3f))
1034             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1035         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1036
1037         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1038                & ~(1 << (5 + nr)))
1039             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1040         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1041
1042         /* Restore fan_min */
1043         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1044         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1045
1046         mutex_unlock(&data->update_lock);
1047         return count;
1048 }
1049
1050 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1051                           show_fan_div, store_fan_div, 0);
1052 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1053                           show_fan_div, store_fan_div, 1);
1054 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1055                           show_fan_div, store_fan_div, 2);
1056
1057 static ssize_t
1058 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1059 {
1060         int nr = to_sensor_dev_attr(devattr)->index;
1061         struct w83627hf_data *data = w83627hf_update_device(dev);
1062         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1063 }
1064
1065 static ssize_t
1066 store_pwm(struct device *dev, struct device_attribute *devattr,
1067           const char *buf, size_t count)
1068 {
1069         int nr = to_sensor_dev_attr(devattr)->index;
1070         struct w83627hf_data *data = dev_get_drvdata(dev);
1071         unsigned long val;
1072         int err;
1073
1074         err = kstrtoul(buf, 10, &val);
1075         if (err)
1076                 return err;
1077
1078         mutex_lock(&data->update_lock);
1079
1080         if (data->type == w83627thf) {
1081                 /* bits 0-3 are reserved  in 627THF */
1082                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1083                 w83627hf_write_value(data,
1084                                      W836X7HF_REG_PWM(data->type, nr),
1085                                      data->pwm[nr] |
1086                                      (w83627hf_read_value(data,
1087                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1088         } else {
1089                 data->pwm[nr] = PWM_TO_REG(val);
1090                 w83627hf_write_value(data,
1091                                      W836X7HF_REG_PWM(data->type, nr),
1092                                      data->pwm[nr]);
1093         }
1094
1095         mutex_unlock(&data->update_lock);
1096         return count;
1097 }
1098
1099 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1100 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1101 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1102
1103 static ssize_t
1104 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1105 {
1106         int nr = to_sensor_dev_attr(devattr)->index;
1107         struct w83627hf_data *data = w83627hf_update_device(dev);
1108         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1109 }
1110
1111 static ssize_t
1112 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1113           const char *buf, size_t count)
1114 {
1115         int nr = to_sensor_dev_attr(devattr)->index;
1116         struct w83627hf_data *data = dev_get_drvdata(dev);
1117         u8 reg;
1118         unsigned long val;
1119         int err;
1120
1121         err = kstrtoul(buf, 10, &val);
1122         if (err)
1123                 return err;
1124
1125         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1126                 return -EINVAL;
1127         mutex_lock(&data->update_lock);
1128         data->pwm_enable[nr] = val;
1129         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1130         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1131         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1132         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1133         mutex_unlock(&data->update_lock);
1134         return count;
1135 }
1136
1137 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1138                                                   store_pwm_enable, 0);
1139 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1140                                                   store_pwm_enable, 1);
1141 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1142                                                   store_pwm_enable, 2);
1143
1144 static ssize_t
1145 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1146 {
1147         int nr = to_sensor_dev_attr(devattr)->index;
1148         struct w83627hf_data *data = w83627hf_update_device(dev);
1149         if (data->type == w83627hf)
1150                 return sprintf(buf, "%ld\n",
1151                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1152         else
1153                 return sprintf(buf, "%ld\n",
1154                         pwm_freq_from_reg(data->pwm_freq[nr]));
1155 }
1156
1157 static ssize_t
1158 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1159                const char *buf, size_t count)
1160 {
1161         int nr = to_sensor_dev_attr(devattr)->index;
1162         struct w83627hf_data *data = dev_get_drvdata(dev);
1163         static const u8 mask[]={0xF8, 0x8F};
1164         unsigned long val;
1165         int err;
1166
1167         err = kstrtoul(buf, 10, &val);
1168         if (err)
1169                 return err;
1170
1171         mutex_lock(&data->update_lock);
1172
1173         if (data->type == w83627hf) {
1174                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1175                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1176                                 (data->pwm_freq[nr] << (nr*4)) |
1177                                 (w83627hf_read_value(data,
1178                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1179         } else {
1180                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1181                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1182                                 data->pwm_freq[nr]);
1183         }
1184
1185         mutex_unlock(&data->update_lock);
1186         return count;
1187 }
1188
1189 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1190                           show_pwm_freq, store_pwm_freq, 0);
1191 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1192                           show_pwm_freq, store_pwm_freq, 1);
1193 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1194                           show_pwm_freq, store_pwm_freq, 2);
1195
1196 static ssize_t
1197 show_temp_type(struct device *dev, struct device_attribute *devattr,
1198                char *buf)
1199 {
1200         int nr = to_sensor_dev_attr(devattr)->index;
1201         struct w83627hf_data *data = w83627hf_update_device(dev);
1202         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1203 }
1204
1205 static ssize_t
1206 store_temp_type(struct device *dev, struct device_attribute *devattr,
1207                 const char *buf, size_t count)
1208 {
1209         int nr = to_sensor_dev_attr(devattr)->index;
1210         struct w83627hf_data *data = dev_get_drvdata(dev);
1211         unsigned long val;
1212         u32 tmp;
1213         int err;
1214
1215         err = kstrtoul(buf, 10, &val);
1216         if (err)
1217                 return err;
1218
1219         mutex_lock(&data->update_lock);
1220
1221         switch (val) {
1222         case 1:         /* PII/Celeron diode */
1223                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1224                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1225                                     tmp | BIT_SCFG1[nr]);
1226                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1227                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1228                                     tmp | BIT_SCFG2[nr]);
1229                 data->sens[nr] = val;
1230                 break;
1231         case 2:         /* 3904 */
1232                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1233                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1234                                     tmp | BIT_SCFG1[nr]);
1235                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1236                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1237                                     tmp & ~BIT_SCFG2[nr]);
1238                 data->sens[nr] = val;
1239                 break;
1240         case W83781D_DEFAULT_BETA:
1241                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1242                          "instead\n", W83781D_DEFAULT_BETA);
1243                 /* fall through */
1244         case 4:         /* thermistor */
1245                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1246                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1247                                     tmp & ~BIT_SCFG1[nr]);
1248                 data->sens[nr] = val;
1249                 break;
1250         default:
1251                 dev_err(dev,
1252                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1253                        (long) val);
1254                 break;
1255         }
1256
1257         mutex_unlock(&data->update_lock);
1258         return count;
1259 }
1260
1261 #define sysfs_temp_type(offset) \
1262 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1263                           show_temp_type, store_temp_type, offset - 1);
1264
1265 sysfs_temp_type(1);
1266 sysfs_temp_type(2);
1267 sysfs_temp_type(3);
1268
1269 static ssize_t
1270 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1271 {
1272         struct w83627hf_data *data = dev_get_drvdata(dev);
1273
1274         return sprintf(buf, "%s\n", data->name);
1275 }
1276 static DEVICE_ATTR_RO(name);
1277
1278 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1279                                 struct w83627hf_sio_data *sio_data)
1280 {
1281         int err = -ENODEV;
1282         u16 val;
1283
1284         static __initconst char *const names[] = {
1285                 "W83627HF",
1286                 "W83627THF",
1287                 "W83697HF",
1288                 "W83637HF",
1289                 "W83687THF",
1290         };
1291
1292         sio_data->sioaddr = sioaddr;
1293         superio_enter(sio_data);
1294         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1295         switch (val) {
1296         case W627_DEVID:
1297                 sio_data->type = w83627hf;
1298                 break;
1299         case W627THF_DEVID:
1300                 sio_data->type = w83627thf;
1301                 break;
1302         case W697_DEVID:
1303                 sio_data->type = w83697hf;
1304                 break;
1305         case W637_DEVID:
1306                 sio_data->type = w83637hf;
1307                 break;
1308         case W687THF_DEVID:
1309                 sio_data->type = w83687thf;
1310                 break;
1311         case 0xff:      /* No device at all */
1312                 goto exit;
1313         default:
1314                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1315                 goto exit;
1316         }
1317
1318         superio_select(sio_data, W83627HF_LD_HWM);
1319         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1320                superio_inb(sio_data, WINB_BASE_REG + 1);
1321         *addr = val & WINB_ALIGNMENT;
1322         if (*addr == 0) {
1323                 pr_warn("Base address not set, skipping\n");
1324                 goto exit;
1325         }
1326
1327         val = superio_inb(sio_data, WINB_ACT_REG);
1328         if (!(val & 0x01)) {
1329                 pr_warn("Enabling HWM logical device\n");
1330                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1331         }
1332
1333         err = 0;
1334         pr_info(DRVNAME ": Found %s chip at %#x\n",
1335                 names[sio_data->type], *addr);
1336
1337  exit:
1338         superio_exit(sio_data);
1339         return err;
1340 }
1341
1342 #define VIN_UNIT_ATTRS(_X_)     \
1343         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1344         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1345         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1346         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1347         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1348
1349 #define FAN_UNIT_ATTRS(_X_)     \
1350         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1351         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1352         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1353         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1354         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1355
1356 #define TEMP_UNIT_ATTRS(_X_)    \
1357         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1358         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1359         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1360         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1361         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1362         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1363
1364 static struct attribute *w83627hf_attributes[] = {
1365         &dev_attr_in0_input.attr,
1366         &dev_attr_in0_min.attr,
1367         &dev_attr_in0_max.attr,
1368         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1369         &sensor_dev_attr_in0_beep.dev_attr.attr,
1370         VIN_UNIT_ATTRS(2),
1371         VIN_UNIT_ATTRS(3),
1372         VIN_UNIT_ATTRS(4),
1373         VIN_UNIT_ATTRS(7),
1374         VIN_UNIT_ATTRS(8),
1375
1376         FAN_UNIT_ATTRS(1),
1377         FAN_UNIT_ATTRS(2),
1378
1379         TEMP_UNIT_ATTRS(1),
1380         TEMP_UNIT_ATTRS(2),
1381
1382         &dev_attr_alarms.attr,
1383         &sensor_dev_attr_beep_enable.dev_attr.attr,
1384         &dev_attr_beep_mask.attr,
1385
1386         &sensor_dev_attr_pwm1.dev_attr.attr,
1387         &sensor_dev_attr_pwm2.dev_attr.attr,
1388         &dev_attr_name.attr,
1389         NULL
1390 };
1391
1392 static const struct attribute_group w83627hf_group = {
1393         .attrs = w83627hf_attributes,
1394 };
1395
1396 static struct attribute *w83627hf_attributes_opt[] = {
1397         VIN_UNIT_ATTRS(1),
1398         VIN_UNIT_ATTRS(5),
1399         VIN_UNIT_ATTRS(6),
1400
1401         FAN_UNIT_ATTRS(3),
1402         TEMP_UNIT_ATTRS(3),
1403         &sensor_dev_attr_pwm3.dev_attr.attr,
1404
1405         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1406         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1407         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1408
1409         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1410         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1411         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1412
1413         NULL
1414 };
1415
1416 static const struct attribute_group w83627hf_group_opt = {
1417         .attrs = w83627hf_attributes_opt,
1418 };
1419
1420 static int w83627hf_probe(struct platform_device *pdev)
1421 {
1422         struct device *dev = &pdev->dev;
1423         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1424         struct w83627hf_data *data;
1425         struct resource *res;
1426         int err, i;
1427
1428         static const char *names[] = {
1429                 "w83627hf",
1430                 "w83627thf",
1431                 "w83697hf",
1432                 "w83637hf",
1433                 "w83687thf",
1434         };
1435
1436         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1437         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1438                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1439                         (unsigned long)res->start,
1440                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1441                 return -EBUSY;
1442         }
1443
1444         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1445         if (!data)
1446                 return -ENOMEM;
1447
1448         data->addr = res->start;
1449         data->type = sio_data->type;
1450         data->name = names[sio_data->type];
1451         mutex_init(&data->lock);
1452         mutex_init(&data->update_lock);
1453         platform_set_drvdata(pdev, data);
1454
1455         /* Initialize the chip */
1456         w83627hf_init_device(pdev);
1457
1458         /* A few vars need to be filled upon startup */
1459         for (i = 0; i <= 2; i++)
1460                 data->fan_min[i] = w83627hf_read_value(
1461                                         data, W83627HF_REG_FAN_MIN(i));
1462         w83627hf_update_fan_div(data);
1463
1464         /* Register common device attributes */
1465         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1466         if (err)
1467                 return err;
1468
1469         /* Register chip-specific device attributes */
1470         if (data->type == w83627hf || data->type == w83697hf)
1471                 if ((err = device_create_file(dev,
1472                                 &sensor_dev_attr_in5_input.dev_attr))
1473                  || (err = device_create_file(dev,
1474                                 &sensor_dev_attr_in5_min.dev_attr))
1475                  || (err = device_create_file(dev,
1476                                 &sensor_dev_attr_in5_max.dev_attr))
1477                  || (err = device_create_file(dev,
1478                                 &sensor_dev_attr_in5_alarm.dev_attr))
1479                  || (err = device_create_file(dev,
1480                                 &sensor_dev_attr_in5_beep.dev_attr))
1481                  || (err = device_create_file(dev,
1482                                 &sensor_dev_attr_in6_input.dev_attr))
1483                  || (err = device_create_file(dev,
1484                                 &sensor_dev_attr_in6_min.dev_attr))
1485                  || (err = device_create_file(dev,
1486                                 &sensor_dev_attr_in6_max.dev_attr))
1487                  || (err = device_create_file(dev,
1488                                 &sensor_dev_attr_in6_alarm.dev_attr))
1489                  || (err = device_create_file(dev,
1490                                 &sensor_dev_attr_in6_beep.dev_attr))
1491                  || (err = device_create_file(dev,
1492                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1493                  || (err = device_create_file(dev,
1494                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1495                         goto error;
1496
1497         if (data->type != w83697hf)
1498                 if ((err = device_create_file(dev,
1499                                 &sensor_dev_attr_in1_input.dev_attr))
1500                  || (err = device_create_file(dev,
1501                                 &sensor_dev_attr_in1_min.dev_attr))
1502                  || (err = device_create_file(dev,
1503                                 &sensor_dev_attr_in1_max.dev_attr))
1504                  || (err = device_create_file(dev,
1505                                 &sensor_dev_attr_in1_alarm.dev_attr))
1506                  || (err = device_create_file(dev,
1507                                 &sensor_dev_attr_in1_beep.dev_attr))
1508                  || (err = device_create_file(dev,
1509                                 &sensor_dev_attr_fan3_input.dev_attr))
1510                  || (err = device_create_file(dev,
1511                                 &sensor_dev_attr_fan3_min.dev_attr))
1512                  || (err = device_create_file(dev,
1513                                 &sensor_dev_attr_fan3_div.dev_attr))
1514                  || (err = device_create_file(dev,
1515                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1516                  || (err = device_create_file(dev,
1517                                 &sensor_dev_attr_fan3_beep.dev_attr))
1518                  || (err = device_create_file(dev,
1519                                 &sensor_dev_attr_temp3_input.dev_attr))
1520                  || (err = device_create_file(dev,
1521                                 &sensor_dev_attr_temp3_max.dev_attr))
1522                  || (err = device_create_file(dev,
1523                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1524                  || (err = device_create_file(dev,
1525                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1526                  || (err = device_create_file(dev,
1527                                 &sensor_dev_attr_temp3_beep.dev_attr))
1528                  || (err = device_create_file(dev,
1529                                 &sensor_dev_attr_temp3_type.dev_attr)))
1530                         goto error;
1531
1532         if (data->type != w83697hf && data->vid != 0xff) {
1533                 /* Convert VID to voltage based on VRM */
1534                 data->vrm = vid_which_vrm();
1535
1536                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1537                  || (err = device_create_file(dev, &dev_attr_vrm)))
1538                         goto error;
1539         }
1540
1541         if (data->type == w83627thf || data->type == w83637hf
1542             || data->type == w83687thf) {
1543                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1544                 if (err)
1545                         goto error;
1546         }
1547
1548         if (data->type == w83637hf || data->type == w83687thf)
1549                 if ((err = device_create_file(dev,
1550                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1551                  || (err = device_create_file(dev,
1552                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1553                  || (err = device_create_file(dev,
1554                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1555                         goto error;
1556
1557         if (data->type != w83627hf)
1558                 if ((err = device_create_file(dev,
1559                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1560                  || (err = device_create_file(dev,
1561                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1562                         goto error;
1563
1564         if (data->type == w83627thf || data->type == w83637hf
1565             || data->type == w83687thf) {
1566                 err = device_create_file(dev,
1567                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1568                 if (err)
1569                         goto error;
1570         }
1571
1572         data->hwmon_dev = hwmon_device_register(dev);
1573         if (IS_ERR(data->hwmon_dev)) {
1574                 err = PTR_ERR(data->hwmon_dev);
1575                 goto error;
1576         }
1577
1578         return 0;
1579
1580  error:
1581         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1582         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1583         return err;
1584 }
1585
1586 static int w83627hf_remove(struct platform_device *pdev)
1587 {
1588         struct w83627hf_data *data = platform_get_drvdata(pdev);
1589
1590         hwmon_device_unregister(data->hwmon_dev);
1591
1592         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1593         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1594
1595         return 0;
1596 }
1597
1598
1599 /* Registers 0x50-0x5f are banked */
1600 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1601 {
1602         if ((reg & 0x00f0) == 0x50) {
1603                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1604                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1605         }
1606 }
1607
1608 /* Not strictly necessary, but play it safe for now */
1609 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1610 {
1611         if (reg & 0xff00) {
1612                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1613                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1614         }
1615 }
1616
1617 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1618 {
1619         int res, word_sized;
1620
1621         mutex_lock(&data->lock);
1622         word_sized = (((reg & 0xff00) == 0x100)
1623                    || ((reg & 0xff00) == 0x200))
1624                   && (((reg & 0x00ff) == 0x50)
1625                    || ((reg & 0x00ff) == 0x53)
1626                    || ((reg & 0x00ff) == 0x55));
1627         w83627hf_set_bank(data, reg);
1628         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1629         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1630         if (word_sized) {
1631                 outb_p((reg & 0xff) + 1,
1632                        data->addr + W83781D_ADDR_REG_OFFSET);
1633                 res =
1634                     (res << 8) + inb_p(data->addr +
1635                                        W83781D_DATA_REG_OFFSET);
1636         }
1637         w83627hf_reset_bank(data, reg);
1638         mutex_unlock(&data->lock);
1639         return res;
1640 }
1641
1642 static int w83627thf_read_gpio5(struct platform_device *pdev)
1643 {
1644         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1645         int res = 0xff, sel;
1646
1647         superio_enter(sio_data);
1648         superio_select(sio_data, W83627HF_LD_GPIO5);
1649
1650         /* Make sure these GPIO pins are enabled */
1651         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1652                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1653                 goto exit;
1654         }
1655
1656         /*
1657          * Make sure the pins are configured for input
1658          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1659          */
1660         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1661         if ((sel & 0x1f) != 0x1f) {
1662                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1663                         "function\n");
1664                 goto exit;
1665         }
1666
1667         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1668         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1669
1670 exit:
1671         superio_exit(sio_data);
1672         return res;
1673 }
1674
1675 static int w83687thf_read_vid(struct platform_device *pdev)
1676 {
1677         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1678         int res = 0xff;
1679
1680         superio_enter(sio_data);
1681         superio_select(sio_data, W83627HF_LD_HWM);
1682
1683         /* Make sure these GPIO pins are enabled */
1684         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1685                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1686                 goto exit;
1687         }
1688
1689         /* Make sure the pins are configured for input */
1690         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1691                 dev_dbg(&pdev->dev, "VID configured as output, "
1692                         "no VID function\n");
1693                 goto exit;
1694         }
1695
1696         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1697
1698 exit:
1699         superio_exit(sio_data);
1700         return res;
1701 }
1702
1703 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1704 {
1705         int word_sized;
1706
1707         mutex_lock(&data->lock);
1708         word_sized = (((reg & 0xff00) == 0x100)
1709                    || ((reg & 0xff00) == 0x200))
1710                   && (((reg & 0x00ff) == 0x53)
1711                    || ((reg & 0x00ff) == 0x55));
1712         w83627hf_set_bank(data, reg);
1713         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1714         if (word_sized) {
1715                 outb_p(value >> 8,
1716                        data->addr + W83781D_DATA_REG_OFFSET);
1717                 outb_p((reg & 0xff) + 1,
1718                        data->addr + W83781D_ADDR_REG_OFFSET);
1719         }
1720         outb_p(value & 0xff,
1721                data->addr + W83781D_DATA_REG_OFFSET);
1722         w83627hf_reset_bank(data, reg);
1723         mutex_unlock(&data->lock);
1724         return 0;
1725 }
1726
1727 static void w83627hf_init_device(struct platform_device *pdev)
1728 {
1729         struct w83627hf_data *data = platform_get_drvdata(pdev);
1730         int i;
1731         enum chips type = data->type;
1732         u8 tmp;
1733
1734         /* Minimize conflicts with other winbond i2c-only clients...  */
1735         /* disable i2c subclients... how to disable main i2c client?? */
1736         /* force i2c address to relatively uncommon address */
1737         if (type == w83627hf) {
1738                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1739                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1740         }
1741
1742         /* Read VID only once */
1743         if (type == w83627hf || type == w83637hf) {
1744                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1745                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1746                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1747         } else if (type == w83627thf) {
1748                 data->vid = w83627thf_read_gpio5(pdev);
1749         } else if (type == w83687thf) {
1750                 data->vid = w83687thf_read_vid(pdev);
1751         }
1752
1753         /* Read VRM & OVT Config only once */
1754         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1755                 data->vrm_ovt =
1756                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1757         }
1758
1759         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1760         for (i = 1; i <= 3; i++) {
1761                 if (!(tmp & BIT_SCFG1[i - 1])) {
1762                         data->sens[i - 1] = 4;
1763                 } else {
1764                         if (w83627hf_read_value
1765                             (data,
1766                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1767                                 data->sens[i - 1] = 1;
1768                         else
1769                                 data->sens[i - 1] = 2;
1770                 }
1771                 if ((type == w83697hf) && (i == 2))
1772                         break;
1773         }
1774
1775         if(init) {
1776                 /* Enable temp2 */
1777                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1778                 if (tmp & 0x01) {
1779                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1780                                  "might not make sense\n");
1781                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1782                                 tmp & 0xfe);
1783                 }
1784
1785                 /* Enable temp3 */
1786                 if (type != w83697hf) {
1787                         tmp = w83627hf_read_value(data,
1788                                 W83627HF_REG_TEMP3_CONFIG);
1789                         if (tmp & 0x01) {
1790                                 dev_warn(&pdev->dev, "Enabling temp3, "
1791                                          "readings might not make sense\n");
1792                                 w83627hf_write_value(data,
1793                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1794                         }
1795                 }
1796         }
1797
1798         /* Start monitoring */
1799         w83627hf_write_value(data, W83781D_REG_CONFIG,
1800                             (w83627hf_read_value(data,
1801                                                 W83781D_REG_CONFIG) & 0xf7)
1802                             | 0x01);
1803
1804         /* Enable VBAT monitoring if needed */
1805         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1806         if (!(tmp & 0x01))
1807                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1808 }
1809
1810 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1811 {
1812         int reg;
1813
1814         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1815         data->fan_div[0] = (reg >> 4) & 0x03;
1816         data->fan_div[1] = (reg >> 6) & 0x03;
1817         if (data->type != w83697hf) {
1818                 data->fan_div[2] = (w83627hf_read_value(data,
1819                                        W83781D_REG_PIN) >> 6) & 0x03;
1820         }
1821         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1822         data->fan_div[0] |= (reg >> 3) & 0x04;
1823         data->fan_div[1] |= (reg >> 4) & 0x04;
1824         if (data->type != w83697hf)
1825                 data->fan_div[2] |= (reg >> 5) & 0x04;
1826 }
1827
1828 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1829 {
1830         struct w83627hf_data *data = dev_get_drvdata(dev);
1831         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1832         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1833
1834         mutex_lock(&data->update_lock);
1835
1836         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1837             || !data->valid) {
1838                 for (i = 0; i <= 8; i++) {
1839                         /* skip missing sensors */
1840                         if (((data->type == w83697hf) && (i == 1)) ||
1841                             ((data->type != w83627hf && data->type != w83697hf)
1842                             && (i == 5 || i == 6)))
1843                                 continue;
1844                         data->in[i] =
1845                             w83627hf_read_value(data, W83781D_REG_IN(i));
1846                         data->in_min[i] =
1847                             w83627hf_read_value(data,
1848                                                W83781D_REG_IN_MIN(i));
1849                         data->in_max[i] =
1850                             w83627hf_read_value(data,
1851                                                W83781D_REG_IN_MAX(i));
1852                 }
1853                 for (i = 0; i <= 2; i++) {
1854                         data->fan[i] =
1855                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1856                         data->fan_min[i] =
1857                             w83627hf_read_value(data,
1858                                                W83627HF_REG_FAN_MIN(i));
1859                 }
1860                 for (i = 0; i <= 2; i++) {
1861                         u8 tmp = w83627hf_read_value(data,
1862                                 W836X7HF_REG_PWM(data->type, i));
1863                         /* bits 0-3 are reserved  in 627THF */
1864                         if (data->type == w83627thf)
1865                                 tmp &= 0xf0;
1866                         data->pwm[i] = tmp;
1867                         if (i == 1 &&
1868                             (data->type == w83627hf || data->type == w83697hf))
1869                                 break;
1870                 }
1871                 if (data->type == w83627hf) {
1872                                 u8 tmp = w83627hf_read_value(data,
1873                                                 W83627HF_REG_PWM_FREQ);
1874                                 data->pwm_freq[0] = tmp & 0x07;
1875                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1876                 } else if (data->type != w83627thf) {
1877                         for (i = 1; i <= 3; i++) {
1878                                 data->pwm_freq[i - 1] =
1879                                         w83627hf_read_value(data,
1880                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1881                                 if (i == 2 && (data->type == w83697hf))
1882                                         break;
1883                         }
1884                 }
1885                 if (data->type != w83627hf) {
1886                         for (i = 0; i < num_pwms; i++) {
1887                                 u8 tmp = w83627hf_read_value(data,
1888                                         W83627THF_REG_PWM_ENABLE[i]);
1889                                 data->pwm_enable[i] =
1890                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1891                                         & 0x03) + 1;
1892                         }
1893                 }
1894                 for (i = 0; i < num_temps; i++) {
1895                         data->temp[i] = w83627hf_read_value(
1896                                                 data, w83627hf_reg_temp[i]);
1897                         data->temp_max[i] = w83627hf_read_value(
1898                                                 data, w83627hf_reg_temp_over[i]);
1899                         data->temp_max_hyst[i] = w83627hf_read_value(
1900                                                 data, w83627hf_reg_temp_hyst[i]);
1901                 }
1902
1903                 w83627hf_update_fan_div(data);
1904
1905                 data->alarms =
1906                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1907                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1908                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1909                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1910                 data->beep_mask = (i << 8) |
1911                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1912                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1913                 data->last_updated = jiffies;
1914                 data->valid = 1;
1915         }
1916
1917         mutex_unlock(&data->update_lock);
1918
1919         return data;
1920 }
1921
1922 static int __init w83627hf_device_add(unsigned short address,
1923                                       const struct w83627hf_sio_data *sio_data)
1924 {
1925         struct resource res = {
1926                 .start  = address + WINB_REGION_OFFSET,
1927                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1928                 .name   = DRVNAME,
1929                 .flags  = IORESOURCE_IO,
1930         };
1931         int err;
1932
1933         err = acpi_check_resource_conflict(&res);
1934         if (err)
1935                 goto exit;
1936
1937         pdev = platform_device_alloc(DRVNAME, address);
1938         if (!pdev) {
1939                 err = -ENOMEM;
1940                 pr_err("Device allocation failed\n");
1941                 goto exit;
1942         }
1943
1944         err = platform_device_add_resources(pdev, &res, 1);
1945         if (err) {
1946                 pr_err("Device resource addition failed (%d)\n", err);
1947                 goto exit_device_put;
1948         }
1949
1950         err = platform_device_add_data(pdev, sio_data,
1951                                        sizeof(struct w83627hf_sio_data));
1952         if (err) {
1953                 pr_err("Platform data allocation failed\n");
1954                 goto exit_device_put;
1955         }
1956
1957         err = platform_device_add(pdev);
1958         if (err) {
1959                 pr_err("Device addition failed (%d)\n", err);
1960                 goto exit_device_put;
1961         }
1962
1963         return 0;
1964
1965 exit_device_put:
1966         platform_device_put(pdev);
1967 exit:
1968         return err;
1969 }
1970
1971 static int __init sensors_w83627hf_init(void)
1972 {
1973         int err;
1974         unsigned short address;
1975         struct w83627hf_sio_data sio_data;
1976
1977         if (w83627hf_find(0x2e, &address, &sio_data)
1978          && w83627hf_find(0x4e, &address, &sio_data))
1979                 return -ENODEV;
1980
1981         err = platform_driver_register(&w83627hf_driver);
1982         if (err)
1983                 goto exit;
1984
1985         /* Sets global pdev as a side effect */
1986         err = w83627hf_device_add(address, &sio_data);
1987         if (err)
1988                 goto exit_driver;
1989
1990         return 0;
1991
1992 exit_driver:
1993         platform_driver_unregister(&w83627hf_driver);
1994 exit:
1995         return err;
1996 }
1997
1998 static void __exit sensors_w83627hf_exit(void)
1999 {
2000         platform_device_unregister(pdev);
2001         platform_driver_unregister(&w83627hf_driver);
2002 }
2003
2004 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2005               "Philip Edelbrock <phil@netroedge.com>, "
2006               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2007 MODULE_DESCRIPTION("W83627HF driver");
2008 MODULE_LICENSE("GPL");
2009
2010 module_init(sensors_w83627hf_init);
2011 module_exit(sensors_w83627hf_exit);