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 <khali@linux-fr.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /*
  26  * Supports following chips:
  27  *
  28  * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34  *
  35  * For other winbond chips, and for i2c support in the above chips,
  36  * use w83781d.c.
  37  *
  38  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39  * supported yet.
  40  */
  41
  42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44 #include <linux/module.h>
  45 #include <linux/init.h>
  46 #include <linux/slab.h>
  47 #include <linux/jiffies.h>
  48 #include <linux/platform_device.h>
  49 #include <linux/hwmon.h>
  50 #include <linux/hwmon-sysfs.h>
  51 #include <linux/hwmon-vid.h>
  52 #include <linux/err.h>
  53 #include <linux/mutex.h>
  54 #include <linux/ioport.h>
  55 #include <linux/acpi.h>
  56 #include <linux/io.h>
  57 #include "lm75.h"
  58
  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                 .owner  = THIS_MODULE,
 478                 .name   = DRVNAME,
 479                 .pm     = W83627HF_DEV_PM_OPS,
 480         },
 481         .probe          = w83627hf_probe,
 482         .remove         = w83627hf_remove,
 483 };
 484
 485 static ssize_t
 486 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 487 {
 488         int nr = to_sensor_dev_attr(devattr)->index;
 489         struct w83627hf_data *data = w83627hf_update_device(dev);
 490         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 491 }
 492 static ssize_t
 493 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 494 {
 495         int nr = to_sensor_dev_attr(devattr)->index;
 496         struct w83627hf_data *data = w83627hf_update_device(dev);
 497         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 498 }
 499 static ssize_t
 500 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 501 {
 502         int nr = to_sensor_dev_attr(devattr)->index;
 503         struct w83627hf_data *data = w83627hf_update_device(dev);
 504         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 505 }
 506 static ssize_t
 507 store_in_min(struct device *dev, struct device_attribute *devattr,
 508              const char *buf, size_t count)
 509 {
 510         int nr = to_sensor_dev_attr(devattr)->index;
 511         struct w83627hf_data *data = dev_get_drvdata(dev);
 512         long val;
 513         int err;
 514
 515         err = kstrtol(buf, 10, &val);
 516         if (err)
 517                 return err;
 518
 519         mutex_lock(&data->update_lock);
 520         data->in_min[nr] = IN_TO_REG(val);
 521         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 522         mutex_unlock(&data->update_lock);
 523         return count;
 524 }
 525 static ssize_t
 526 store_in_max(struct device *dev, struct device_attribute *devattr,
 527              const char *buf, size_t count)
 528 {
 529         int nr = to_sensor_dev_attr(devattr)->index;
 530         struct w83627hf_data *data = dev_get_drvdata(dev);
 531         long val;
 532         int err;
 533
 534         err = kstrtol(buf, 10, &val);
 535         if (err)
 536                 return err;
 537
 538         mutex_lock(&data->update_lock);
 539         data->in_max[nr] = IN_TO_REG(val);
 540         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 541         mutex_unlock(&data->update_lock);
 542         return count;
 543 }
 544 #define sysfs_vin_decl(offset) \
 545 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 546                           show_in_input, NULL, offset);         \
 547 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 548                           show_in_min, store_in_min, offset);   \
 549 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 550                           show_in_max, store_in_max, offset);
 551
 552 sysfs_vin_decl(1);
 553 sysfs_vin_decl(2);
 554 sysfs_vin_decl(3);
 555 sysfs_vin_decl(4);
 556 sysfs_vin_decl(5);
 557 sysfs_vin_decl(6);
 558 sysfs_vin_decl(7);
 559 sysfs_vin_decl(8);
 560
 561 /* use a different set of functions for in0 */
 562 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 563 {
 564         long in0;
 565
 566         if ((data->vrm_ovt & 0x01) &&
 567                 (w83627thf == data->type || w83637hf == data->type
 568                  || w83687thf == data->type))
 569
 570                 /* use VRM9 calculation */
 571                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 572         else
 573                 /* use VRM8 (standard) calculation */
 574                 in0 = (long)IN_FROM_REG(reg);
 575
 576         return sprintf(buf,"%ld\n", in0);
 577 }
 578
 579 static ssize_t show_regs_in_0(struct device *dev, 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 show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 586 {
 587         struct w83627hf_data *data = w83627hf_update_device(dev);
 588         return show_in_0(data, buf, data->in_min[0]);
 589 }
 590
 591 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 592 {
 593         struct w83627hf_data *data = w83627hf_update_device(dev);
 594         return show_in_0(data, buf, data->in_max[0]);
 595 }
 596
 597 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 598         const char *buf, size_t count)
 599 {
 600         struct w83627hf_data *data = dev_get_drvdata(dev);
 601         unsigned long val;
 602         int err;
 603
 604         err = kstrtoul(buf, 10, &val);
 605         if (err)
 606                 return err;
 607
 608         mutex_lock(&data->update_lock);
 609
 610         if ((data->vrm_ovt & 0x01) &&
 611                 (w83627thf == data->type || w83637hf == data->type
 612                  || w83687thf == data->type))
 613
 614                 /* use VRM9 calculation */
 615                 data->in_min[0] =
 616                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 617         else
 618                 /* use VRM8 (standard) calculation */
 619                 data->in_min[0] = IN_TO_REG(val);
 620
 621         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 622         mutex_unlock(&data->update_lock);
 623         return count;
 624 }
 625
 626 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 627         const char *buf, size_t count)
 628 {
 629         struct w83627hf_data *data = dev_get_drvdata(dev);
 630         unsigned long val;
 631         int err;
 632
 633         err = kstrtoul(buf, 10, &val);
 634         if (err)
 635                 return err;
 636
 637         mutex_lock(&data->update_lock);
 638
 639         if ((data->vrm_ovt & 0x01) &&
 640                 (w83627thf == data->type || w83637hf == data->type
 641                  || w83687thf == data->type))
 642
 643                 /* use VRM9 calculation */
 644                 data->in_max[0] =
 645                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 646         else
 647                 /* use VRM8 (standard) calculation */
 648                 data->in_max[0] = IN_TO_REG(val);
 649
 650         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 651         mutex_unlock(&data->update_lock);
 652         return count;
 653 }
 654
 655 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 656 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 657         show_regs_in_min0, store_regs_in_min0);
 658 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 659         show_regs_in_max0, store_regs_in_max0);
 660
 661 static ssize_t
 662 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 663 {
 664         int nr = to_sensor_dev_attr(devattr)->index;
 665         struct w83627hf_data *data = w83627hf_update_device(dev);
 666         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 667                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 668 }
 669 static ssize_t
 670 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 671 {
 672         int nr = to_sensor_dev_attr(devattr)->index;
 673         struct w83627hf_data *data = w83627hf_update_device(dev);
 674         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 675                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 676 }
 677 static ssize_t
 678 store_fan_min(struct device *dev, struct device_attribute *devattr,
 679               const char *buf, size_t count)
 680 {
 681         int nr = to_sensor_dev_attr(devattr)->index;
 682         struct w83627hf_data *data = dev_get_drvdata(dev);
 683         unsigned long val;
 684         int err;
 685
 686         err = kstrtoul(buf, 10, &val);
 687         if (err)
 688                 return err;
 689
 690         mutex_lock(&data->update_lock);
 691         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 692         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 693                              data->fan_min[nr]);
 694
 695         mutex_unlock(&data->update_lock);
 696         return count;
 697 }
 698 #define sysfs_fan_decl(offset)  \
 699 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 700                           show_fan_input, NULL, offset - 1);            \
 701 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 702                           show_fan_min, store_fan_min, offset - 1);
 703
 704 sysfs_fan_decl(1);
 705 sysfs_fan_decl(2);
 706 sysfs_fan_decl(3);
 707
 708 static ssize_t
 709 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 710 {
 711         int nr = to_sensor_dev_attr(devattr)->index;
 712         struct w83627hf_data *data = w83627hf_update_device(dev);
 713
 714         u16 tmp = data->temp[nr];
 715         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 716                                           : (long) TEMP_FROM_REG(tmp));
 717 }
 718
 719 static ssize_t
 720 show_temp_max(struct device *dev, struct device_attribute *devattr,
 721               char *buf)
 722 {
 723         int nr = to_sensor_dev_attr(devattr)->index;
 724         struct w83627hf_data *data = w83627hf_update_device(dev);
 725
 726         u16 tmp = data->temp_max[nr];
 727         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 728                                           : (long) TEMP_FROM_REG(tmp));
 729 }
 730
 731 static ssize_t
 732 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 733                    char *buf)
 734 {
 735         int nr = to_sensor_dev_attr(devattr)->index;
 736         struct w83627hf_data *data = w83627hf_update_device(dev);
 737
 738         u16 tmp = data->temp_max_hyst[nr];
 739         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 740                                           : (long) TEMP_FROM_REG(tmp));
 741 }
 742
 743 static ssize_t
 744 store_temp_max(struct device *dev, struct device_attribute *devattr,
 745                const char *buf, size_t count)
 746 {
 747         int nr = to_sensor_dev_attr(devattr)->index;
 748         struct w83627hf_data *data = dev_get_drvdata(dev);
 749         u16 tmp;
 750         long val;
 751         int err;
 752
 753         err = kstrtol(buf, 10, &val);
 754         if (err)
 755                 return err;
 756
 757         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 758         mutex_lock(&data->update_lock);
 759         data->temp_max[nr] = tmp;
 760         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 761         mutex_unlock(&data->update_lock);
 762         return count;
 763 }
 764
 765 static ssize_t
 766 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 767                     const char *buf, size_t count)
 768 {
 769         int nr = to_sensor_dev_attr(devattr)->index;
 770         struct w83627hf_data *data = dev_get_drvdata(dev);
 771         u16 tmp;
 772         long val;
 773         int err;
 774
 775         err = kstrtol(buf, 10, &val);
 776         if (err)
 777                 return err;
 778
 779         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 780         mutex_lock(&data->update_lock);
 781         data->temp_max_hyst[nr] = tmp;
 782         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 783         mutex_unlock(&data->update_lock);
 784         return count;
 785 }
 786
 787 #define sysfs_temp_decl(offset) \
 788 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 789                           show_temp, NULL, offset - 1);                 \
 790 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 791                           show_temp_max, store_temp_max, offset - 1);   \
 792 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 793                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 794
 795 sysfs_temp_decl(1);
 796 sysfs_temp_decl(2);
 797 sysfs_temp_decl(3);
 798
 799 static ssize_t
 800 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 801 {
 802         struct w83627hf_data *data = w83627hf_update_device(dev);
 803         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 804 }
 805 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 806
 807 static ssize_t
 808 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 809 {
 810         struct w83627hf_data *data = dev_get_drvdata(dev);
 811         return sprintf(buf, "%ld\n", (long) data->vrm);
 812 }
 813 static ssize_t
 814 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 815 {
 816         struct w83627hf_data *data = dev_get_drvdata(dev);
 817         unsigned long val;
 818         int err;
 819
 820         err = kstrtoul(buf, 10, &val);
 821         if (err)
 822                 return err;
 823         data->vrm = val;
 824
 825         return count;
 826 }
 827 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 828
 829 static ssize_t
 830 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 831 {
 832         struct w83627hf_data *data = w83627hf_update_device(dev);
 833         return sprintf(buf, "%ld\n", (long) data->alarms);
 834 }
 835 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 836
 837 static ssize_t
 838 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 839 {
 840         struct w83627hf_data *data = w83627hf_update_device(dev);
 841         int bitnr = to_sensor_dev_attr(attr)->index;
 842         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 843 }
 844 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 845 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 846 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 847 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 848 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 849 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 850 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 851 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 852 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 853 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 854 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 855 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 856 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 857 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 858 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 859
 860 static ssize_t
 861 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 862 {
 863         struct w83627hf_data *data = w83627hf_update_device(dev);
 864         return sprintf(buf, "%ld\n",
 865                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 866 }
 867
 868 static ssize_t
 869 store_beep_mask(struct device *dev, struct device_attribute *attr,
 870                 const char *buf, size_t count)
 871 {
 872         struct w83627hf_data *data = dev_get_drvdata(dev);
 873         unsigned long val;
 874         int err;
 875
 876         err = kstrtoul(buf, 10, &val);
 877         if (err)
 878                 return err;
 879
 880         mutex_lock(&data->update_lock);
 881
 882         /* preserve beep enable */
 883         data->beep_mask = (data->beep_mask & 0x8000)
 884                         | BEEP_MASK_TO_REG(val);
 885         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 886                             data->beep_mask & 0xff);
 887         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 888                             ((data->beep_mask) >> 16) & 0xff);
 889         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 890                             (data->beep_mask >> 8) & 0xff);
 891
 892         mutex_unlock(&data->update_lock);
 893         return count;
 894 }
 895
 896 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 897                    show_beep_mask, store_beep_mask);
 898
 899 static ssize_t
 900 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 901 {
 902         struct w83627hf_data *data = w83627hf_update_device(dev);
 903         int bitnr = to_sensor_dev_attr(attr)->index;
 904         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 905 }
 906
 907 static ssize_t
 908 store_beep(struct device *dev, struct device_attribute *attr,
 909                 const char *buf, size_t count)
 910 {
 911         struct w83627hf_data *data = dev_get_drvdata(dev);
 912         int bitnr = to_sensor_dev_attr(attr)->index;
 913         u8 reg;
 914         unsigned long bit;
 915         int err;
 916
 917         err = kstrtoul(buf, 10, &bit);
 918         if (err)
 919                 return err;
 920
 921         if (bit & ~1)
 922                 return -EINVAL;
 923
 924         mutex_lock(&data->update_lock);
 925         if (bit)
 926                 data->beep_mask |= (1 << bitnr);
 927         else
 928                 data->beep_mask &= ~(1 << bitnr);
 929
 930         if (bitnr < 8) {
 931                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 932                 if (bit)
 933                         reg |= (1 << bitnr);
 934                 else
 935                         reg &= ~(1 << bitnr);
 936                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 937         } else if (bitnr < 16) {
 938                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 939                 if (bit)
 940                         reg |= (1 << (bitnr - 8));
 941                 else
 942                         reg &= ~(1 << (bitnr - 8));
 943                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 944         } else {
 945                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 946                 if (bit)
 947                         reg |= (1 << (bitnr - 16));
 948                 else
 949                         reg &= ~(1 << (bitnr - 16));
 950                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 951         }
 952         mutex_unlock(&data->update_lock);
 953
 954         return count;
 955 }
 956
 957 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 958                         show_beep, store_beep, 0);
 959 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 960                         show_beep, store_beep, 1);
 961 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 962                         show_beep, store_beep, 2);
 963 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 964                         show_beep, store_beep, 3);
 965 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 966                         show_beep, store_beep, 8);
 967 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 968                         show_beep, store_beep, 9);
 969 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 970                         show_beep, store_beep, 10);
 971 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 972                         show_beep, store_beep, 16);
 973 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 974                         show_beep, store_beep, 17);
 975 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 976                         show_beep, store_beep, 6);
 977 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 978                         show_beep, store_beep, 7);
 979 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 980                         show_beep, store_beep, 11);
 981 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 982                         show_beep, store_beep, 4);
 983 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 984                         show_beep, store_beep, 5);
 985 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 986                         show_beep, store_beep, 13);
 987 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 988                         show_beep, store_beep, 15);
 989
 990 static ssize_t
 991 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 992 {
 993         int nr = to_sensor_dev_attr(devattr)->index;
 994         struct w83627hf_data *data = w83627hf_update_device(dev);
 995         return sprintf(buf, "%ld\n",
 996                        (long) DIV_FROM_REG(data->fan_div[nr]));
 997 }
 998 /*
 999  * Note: we save and restore the fan minimum here, because its value is
1000  * determined in part by the fan divisor.  This follows the principle of
1001  * least surprise; the user doesn't expect the fan minimum to change just
1002  * because the divisor changed.
1003  */
1004 static ssize_t
1005 store_fan_div(struct device *dev, struct device_attribute *devattr,
1006               const char *buf, size_t count)
1007 {
1008         int nr = to_sensor_dev_attr(devattr)->index;
1009         struct w83627hf_data *data = dev_get_drvdata(dev);
1010         unsigned long min;
1011         u8 reg;
1012         unsigned long val;
1013         int err;
1014
1015         err = kstrtoul(buf, 10, &val);
1016         if (err)
1017                 return err;
1018
1019         mutex_lock(&data->update_lock);
1020
1021         /* Save fan_min */
1022         min = FAN_FROM_REG(data->fan_min[nr],
1023                            DIV_FROM_REG(data->fan_div[nr]));
1024
1025         data->fan_div[nr] = DIV_TO_REG(val);
1026
1027         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1028                & (nr==0 ? 0xcf : 0x3f))
1029             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1030         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1031
1032         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1033                & ~(1 << (5 + nr)))
1034             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1035         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1036
1037         /* Restore fan_min */
1038         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1039         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1040
1041         mutex_unlock(&data->update_lock);
1042         return count;
1043 }
1044
1045 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1046                           show_fan_div, store_fan_div, 0);
1047 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1048                           show_fan_div, store_fan_div, 1);
1049 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1050                           show_fan_div, store_fan_div, 2);
1051
1052 static ssize_t
1053 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1054 {
1055         int nr = to_sensor_dev_attr(devattr)->index;
1056         struct w83627hf_data *data = w83627hf_update_device(dev);
1057         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1058 }
1059
1060 static ssize_t
1061 store_pwm(struct device *dev, struct device_attribute *devattr,
1062           const char *buf, size_t count)
1063 {
1064         int nr = to_sensor_dev_attr(devattr)->index;
1065         struct w83627hf_data *data = dev_get_drvdata(dev);
1066         unsigned long val;
1067         int err;
1068
1069         err = kstrtoul(buf, 10, &val);
1070         if (err)
1071                 return err;
1072
1073         mutex_lock(&data->update_lock);
1074
1075         if (data->type == w83627thf) {
1076                 /* bits 0-3 are reserved  in 627THF */
1077                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1078                 w83627hf_write_value(data,
1079                                      W836X7HF_REG_PWM(data->type, nr),
1080                                      data->pwm[nr] |
1081                                      (w83627hf_read_value(data,
1082                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1083         } else {
1084                 data->pwm[nr] = PWM_TO_REG(val);
1085                 w83627hf_write_value(data,
1086                                      W836X7HF_REG_PWM(data->type, nr),
1087                                      data->pwm[nr]);
1088         }
1089
1090         mutex_unlock(&data->update_lock);
1091         return count;
1092 }
1093
1094 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1095 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1096 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1097
1098 static ssize_t
1099 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1100 {
1101         int nr = to_sensor_dev_attr(devattr)->index;
1102         struct w83627hf_data *data = w83627hf_update_device(dev);
1103         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1104 }
1105
1106 static ssize_t
1107 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1108           const char *buf, size_t count)
1109 {
1110         int nr = to_sensor_dev_attr(devattr)->index;
1111         struct w83627hf_data *data = dev_get_drvdata(dev);
1112         u8 reg;
1113         unsigned long val;
1114         int err;
1115
1116         err = kstrtoul(buf, 10, &val);
1117         if (err)
1118                 return err;
1119
1120         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1121                 return -EINVAL;
1122         mutex_lock(&data->update_lock);
1123         data->pwm_enable[nr] = val;
1124         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1125         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1126         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1127         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1128         mutex_unlock(&data->update_lock);
1129         return count;
1130 }
1131
1132 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1133                                                   store_pwm_enable, 0);
1134 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1135                                                   store_pwm_enable, 1);
1136 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1137                                                   store_pwm_enable, 2);
1138
1139 static ssize_t
1140 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1141 {
1142         int nr = to_sensor_dev_attr(devattr)->index;
1143         struct w83627hf_data *data = w83627hf_update_device(dev);
1144         if (data->type == w83627hf)
1145                 return sprintf(buf, "%ld\n",
1146                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1147         else
1148                 return sprintf(buf, "%ld\n",
1149                         pwm_freq_from_reg(data->pwm_freq[nr]));
1150 }
1151
1152 static ssize_t
1153 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1154                const char *buf, size_t count)
1155 {
1156         int nr = to_sensor_dev_attr(devattr)->index;
1157         struct w83627hf_data *data = dev_get_drvdata(dev);
1158         static const u8 mask[]={0xF8, 0x8F};
1159         unsigned long val;
1160         int err;
1161
1162         err = kstrtoul(buf, 10, &val);
1163         if (err)
1164                 return err;
1165
1166         mutex_lock(&data->update_lock);
1167
1168         if (data->type == w83627hf) {
1169                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1170                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1171                                 (data->pwm_freq[nr] << (nr*4)) |
1172                                 (w83627hf_read_value(data,
1173                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1174         } else {
1175                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1176                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1177                                 data->pwm_freq[nr]);
1178         }
1179
1180         mutex_unlock(&data->update_lock);
1181         return count;
1182 }
1183
1184 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1185                           show_pwm_freq, store_pwm_freq, 0);
1186 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1187                           show_pwm_freq, store_pwm_freq, 1);
1188 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1189                           show_pwm_freq, store_pwm_freq, 2);
1190
1191 static ssize_t
1192 show_temp_type(struct device *dev, struct device_attribute *devattr,
1193                char *buf)
1194 {
1195         int nr = to_sensor_dev_attr(devattr)->index;
1196         struct w83627hf_data *data = w83627hf_update_device(dev);
1197         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1198 }
1199
1200 static ssize_t
1201 store_temp_type(struct device *dev, struct device_attribute *devattr,
1202                 const char *buf, size_t count)
1203 {
1204         int nr = to_sensor_dev_attr(devattr)->index;
1205         struct w83627hf_data *data = dev_get_drvdata(dev);
1206         unsigned long val;
1207         u32 tmp;
1208         int err;
1209
1210         err = kstrtoul(buf, 10, &val);
1211         if (err)
1212                 return err;
1213
1214         mutex_lock(&data->update_lock);
1215
1216         switch (val) {
1217         case 1:         /* PII/Celeron diode */
1218                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1219                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1220                                     tmp | BIT_SCFG1[nr]);
1221                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1222                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1223                                     tmp | BIT_SCFG2[nr]);
1224                 data->sens[nr] = val;
1225                 break;
1226         case 2:         /* 3904 */
1227                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1228                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1229                                     tmp | BIT_SCFG1[nr]);
1230                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1231                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1232                                     tmp & ~BIT_SCFG2[nr]);
1233                 data->sens[nr] = val;
1234                 break;
1235         case W83781D_DEFAULT_BETA:
1236                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1237                          "instead\n", W83781D_DEFAULT_BETA);
1238                 /* fall through */
1239         case 4:         /* thermistor */
1240                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1241                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1242                                     tmp & ~BIT_SCFG1[nr]);
1243                 data->sens[nr] = val;
1244                 break;
1245         default:
1246                 dev_err(dev,
1247                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1248                        (long) val);
1249                 break;
1250         }
1251
1252         mutex_unlock(&data->update_lock);
1253         return count;
1254 }
1255
1256 #define sysfs_temp_type(offset) \
1257 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1258                           show_temp_type, store_temp_type, offset - 1);
1259
1260 sysfs_temp_type(1);
1261 sysfs_temp_type(2);
1262 sysfs_temp_type(3);
1263
1264 static ssize_t
1265 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1266 {
1267         struct w83627hf_data *data = dev_get_drvdata(dev);
1268
1269         return sprintf(buf, "%s\n", data->name);
1270 }
1271 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1272
1273 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1274                                 struct w83627hf_sio_data *sio_data)
1275 {
1276         int err = -ENODEV;
1277         u16 val;
1278
1279         static __initconst char *const names[] = {
1280                 "W83627HF",
1281                 "W83627THF",
1282                 "W83697HF",
1283                 "W83637HF",
1284                 "W83687THF",
1285         };
1286
1287         sio_data->sioaddr = sioaddr;
1288         superio_enter(sio_data);
1289         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1290         switch (val) {
1291         case W627_DEVID:
1292                 sio_data->type = w83627hf;
1293                 break;
1294         case W627THF_DEVID:
1295                 sio_data->type = w83627thf;
1296                 break;
1297         case W697_DEVID:
1298                 sio_data->type = w83697hf;
1299                 break;
1300         case W637_DEVID:
1301                 sio_data->type = w83637hf;
1302                 break;
1303         case W687THF_DEVID:
1304                 sio_data->type = w83687thf;
1305                 break;
1306         case 0xff:      /* No device at all */
1307                 goto exit;
1308         default:
1309                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1310                 goto exit;
1311         }
1312
1313         superio_select(sio_data, W83627HF_LD_HWM);
1314         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1315                superio_inb(sio_data, WINB_BASE_REG + 1);
1316         *addr = val & WINB_ALIGNMENT;
1317         if (*addr == 0) {
1318                 pr_warn("Base address not set, skipping\n");
1319                 goto exit;
1320         }
1321
1322         val = superio_inb(sio_data, WINB_ACT_REG);
1323         if (!(val & 0x01)) {
1324                 pr_warn("Enabling HWM logical device\n");
1325                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1326         }
1327
1328         err = 0;
1329         pr_info(DRVNAME ": Found %s chip at %#x\n",
1330                 names[sio_data->type], *addr);
1331
1332  exit:
1333         superio_exit(sio_data);
1334         return err;
1335 }
1336
1337 #define VIN_UNIT_ATTRS(_X_)     \
1338         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1339         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1340         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1341         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1342         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1343
1344 #define FAN_UNIT_ATTRS(_X_)     \
1345         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1346         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1347         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1348         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1349         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1350
1351 #define TEMP_UNIT_ATTRS(_X_)    \
1352         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1353         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1354         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1355         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1356         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1357         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1358
1359 static struct attribute *w83627hf_attributes[] = {
1360         &dev_attr_in0_input.attr,
1361         &dev_attr_in0_min.attr,
1362         &dev_attr_in0_max.attr,
1363         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1364         &sensor_dev_attr_in0_beep.dev_attr.attr,
1365         VIN_UNIT_ATTRS(2),
1366         VIN_UNIT_ATTRS(3),
1367         VIN_UNIT_ATTRS(4),
1368         VIN_UNIT_ATTRS(7),
1369         VIN_UNIT_ATTRS(8),
1370
1371         FAN_UNIT_ATTRS(1),
1372         FAN_UNIT_ATTRS(2),
1373
1374         TEMP_UNIT_ATTRS(1),
1375         TEMP_UNIT_ATTRS(2),
1376
1377         &dev_attr_alarms.attr,
1378         &sensor_dev_attr_beep_enable.dev_attr.attr,
1379         &dev_attr_beep_mask.attr,
1380
1381         &sensor_dev_attr_pwm1.dev_attr.attr,
1382         &sensor_dev_attr_pwm2.dev_attr.attr,
1383         &dev_attr_name.attr,
1384         NULL
1385 };
1386
1387 static const struct attribute_group w83627hf_group = {
1388         .attrs = w83627hf_attributes,
1389 };
1390
1391 static struct attribute *w83627hf_attributes_opt[] = {
1392         VIN_UNIT_ATTRS(1),
1393         VIN_UNIT_ATTRS(5),
1394         VIN_UNIT_ATTRS(6),
1395
1396         FAN_UNIT_ATTRS(3),
1397         TEMP_UNIT_ATTRS(3),
1398         &sensor_dev_attr_pwm3.dev_attr.attr,
1399
1400         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1401         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1402         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1403
1404         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1405         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1406         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1407
1408         NULL
1409 };
1410
1411 static const struct attribute_group w83627hf_group_opt = {
1412         .attrs = w83627hf_attributes_opt,
1413 };
1414
1415 static int w83627hf_probe(struct platform_device *pdev)
1416 {
1417         struct device *dev = &pdev->dev;
1418         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1419         struct w83627hf_data *data;
1420         struct resource *res;
1421         int err, i;
1422
1423         static const char *names[] = {
1424                 "w83627hf",
1425                 "w83627thf",
1426                 "w83697hf",
1427                 "w83637hf",
1428                 "w83687thf",
1429         };
1430
1431         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1432         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1433                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1434                         (unsigned long)res->start,
1435                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1436                 return -EBUSY;
1437         }
1438
1439         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1440         if (!data)
1441                 return -ENOMEM;
1442
1443         data->addr = res->start;
1444         data->type = sio_data->type;
1445         data->name = names[sio_data->type];
1446         mutex_init(&data->lock);
1447         mutex_init(&data->update_lock);
1448         platform_set_drvdata(pdev, data);
1449
1450         /* Initialize the chip */
1451         w83627hf_init_device(pdev);
1452
1453         /* A few vars need to be filled upon startup */
1454         for (i = 0; i <= 2; i++)
1455                 data->fan_min[i] = w83627hf_read_value(
1456                                         data, W83627HF_REG_FAN_MIN(i));
1457         w83627hf_update_fan_div(data);
1458
1459         /* Register common device attributes */
1460         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1461         if (err)
1462                 return err;
1463
1464         /* Register chip-specific device attributes */
1465         if (data->type == w83627hf || data->type == w83697hf)
1466                 if ((err = device_create_file(dev,
1467                                 &sensor_dev_attr_in5_input.dev_attr))
1468                  || (err = device_create_file(dev,
1469                                 &sensor_dev_attr_in5_min.dev_attr))
1470                  || (err = device_create_file(dev,
1471                                 &sensor_dev_attr_in5_max.dev_attr))
1472                  || (err = device_create_file(dev,
1473                                 &sensor_dev_attr_in5_alarm.dev_attr))
1474                  || (err = device_create_file(dev,
1475                                 &sensor_dev_attr_in5_beep.dev_attr))
1476                  || (err = device_create_file(dev,
1477                                 &sensor_dev_attr_in6_input.dev_attr))
1478                  || (err = device_create_file(dev,
1479                                 &sensor_dev_attr_in6_min.dev_attr))
1480                  || (err = device_create_file(dev,
1481                                 &sensor_dev_attr_in6_max.dev_attr))
1482                  || (err = device_create_file(dev,
1483                                 &sensor_dev_attr_in6_alarm.dev_attr))
1484                  || (err = device_create_file(dev,
1485                                 &sensor_dev_attr_in6_beep.dev_attr))
1486                  || (err = device_create_file(dev,
1487                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1488                  || (err = device_create_file(dev,
1489                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1490                         goto error;
1491
1492         if (data->type != w83697hf)
1493                 if ((err = device_create_file(dev,
1494                                 &sensor_dev_attr_in1_input.dev_attr))
1495                  || (err = device_create_file(dev,
1496                                 &sensor_dev_attr_in1_min.dev_attr))
1497                  || (err = device_create_file(dev,
1498                                 &sensor_dev_attr_in1_max.dev_attr))
1499                  || (err = device_create_file(dev,
1500                                 &sensor_dev_attr_in1_alarm.dev_attr))
1501                  || (err = device_create_file(dev,
1502                                 &sensor_dev_attr_in1_beep.dev_attr))
1503                  || (err = device_create_file(dev,
1504                                 &sensor_dev_attr_fan3_input.dev_attr))
1505                  || (err = device_create_file(dev,
1506                                 &sensor_dev_attr_fan3_min.dev_attr))
1507                  || (err = device_create_file(dev,
1508                                 &sensor_dev_attr_fan3_div.dev_attr))
1509                  || (err = device_create_file(dev,
1510                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1511                  || (err = device_create_file(dev,
1512                                 &sensor_dev_attr_fan3_beep.dev_attr))
1513                  || (err = device_create_file(dev,
1514                                 &sensor_dev_attr_temp3_input.dev_attr))
1515                  || (err = device_create_file(dev,
1516                                 &sensor_dev_attr_temp3_max.dev_attr))
1517                  || (err = device_create_file(dev,
1518                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1519                  || (err = device_create_file(dev,
1520                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1521                  || (err = device_create_file(dev,
1522                                 &sensor_dev_attr_temp3_beep.dev_attr))
1523                  || (err = device_create_file(dev,
1524                                 &sensor_dev_attr_temp3_type.dev_attr)))
1525                         goto error;
1526
1527         if (data->type != w83697hf && data->vid != 0xff) {
1528                 /* Convert VID to voltage based on VRM */
1529                 data->vrm = vid_which_vrm();
1530
1531                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1532                  || (err = device_create_file(dev, &dev_attr_vrm)))
1533                         goto error;
1534         }
1535
1536         if (data->type == w83627thf || data->type == w83637hf
1537             || data->type == w83687thf) {
1538                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1539                 if (err)
1540                         goto error;
1541         }
1542
1543         if (data->type == w83637hf || data->type == w83687thf)
1544                 if ((err = device_create_file(dev,
1545                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1546                  || (err = device_create_file(dev,
1547                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1548                  || (err = device_create_file(dev,
1549                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1550                         goto error;
1551
1552         if (data->type != w83627hf)
1553                 if ((err = device_create_file(dev,
1554                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1555                  || (err = device_create_file(dev,
1556                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1557                         goto error;
1558
1559         if (data->type == w83627thf || data->type == w83637hf
1560             || data->type == w83687thf) {
1561                 err = device_create_file(dev,
1562                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1563                 if (err)
1564                         goto error;
1565         }
1566
1567         data->hwmon_dev = hwmon_device_register(dev);
1568         if (IS_ERR(data->hwmon_dev)) {
1569                 err = PTR_ERR(data->hwmon_dev);
1570                 goto error;
1571         }
1572
1573         return 0;
1574
1575  error:
1576         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1577         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1578         return err;
1579 }
1580
1581 static int w83627hf_remove(struct platform_device *pdev)
1582 {
1583         struct w83627hf_data *data = platform_get_drvdata(pdev);
1584
1585         hwmon_device_unregister(data->hwmon_dev);
1586
1587         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1588         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1589
1590         return 0;
1591 }
1592
1593
1594 /* Registers 0x50-0x5f are banked */
1595 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1596 {
1597         if ((reg & 0x00f0) == 0x50) {
1598                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1599                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1600         }
1601 }
1602
1603 /* Not strictly necessary, but play it safe for now */
1604 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1605 {
1606         if (reg & 0xff00) {
1607                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1608                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1609         }
1610 }
1611
1612 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1613 {
1614         int res, word_sized;
1615
1616         mutex_lock(&data->lock);
1617         word_sized = (((reg & 0xff00) == 0x100)
1618                    || ((reg & 0xff00) == 0x200))
1619                   && (((reg & 0x00ff) == 0x50)
1620                    || ((reg & 0x00ff) == 0x53)
1621                    || ((reg & 0x00ff) == 0x55));
1622         w83627hf_set_bank(data, reg);
1623         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1624         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1625         if (word_sized) {
1626                 outb_p((reg & 0xff) + 1,
1627                        data->addr + W83781D_ADDR_REG_OFFSET);
1628                 res =
1629                     (res << 8) + inb_p(data->addr +
1630                                        W83781D_DATA_REG_OFFSET);
1631         }
1632         w83627hf_reset_bank(data, reg);
1633         mutex_unlock(&data->lock);
1634         return res;
1635 }
1636
1637 static int w83627thf_read_gpio5(struct platform_device *pdev)
1638 {
1639         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1640         int res = 0xff, sel;
1641
1642         superio_enter(sio_data);
1643         superio_select(sio_data, W83627HF_LD_GPIO5);
1644
1645         /* Make sure these GPIO pins are enabled */
1646         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1647                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1648                 goto exit;
1649         }
1650
1651         /*
1652          * Make sure the pins are configured for input
1653          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1654          */
1655         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1656         if ((sel & 0x1f) != 0x1f) {
1657                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1658                         "function\n");
1659                 goto exit;
1660         }
1661
1662         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1663         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1664
1665 exit:
1666         superio_exit(sio_data);
1667         return res;
1668 }
1669
1670 static int w83687thf_read_vid(struct platform_device *pdev)
1671 {
1672         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1673         int res = 0xff;
1674
1675         superio_enter(sio_data);
1676         superio_select(sio_data, W83627HF_LD_HWM);
1677
1678         /* Make sure these GPIO pins are enabled */
1679         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1680                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1681                 goto exit;
1682         }
1683
1684         /* Make sure the pins are configured for input */
1685         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1686                 dev_dbg(&pdev->dev, "VID configured as output, "
1687                         "no VID function\n");
1688                 goto exit;
1689         }
1690
1691         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1692
1693 exit:
1694         superio_exit(sio_data);
1695         return res;
1696 }
1697
1698 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1699 {
1700         int word_sized;
1701
1702         mutex_lock(&data->lock);
1703         word_sized = (((reg & 0xff00) == 0x100)
1704                    || ((reg & 0xff00) == 0x200))
1705                   && (((reg & 0x00ff) == 0x53)
1706                    || ((reg & 0x00ff) == 0x55));
1707         w83627hf_set_bank(data, reg);
1708         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1709         if (word_sized) {
1710                 outb_p(value >> 8,
1711                        data->addr + W83781D_DATA_REG_OFFSET);
1712                 outb_p((reg & 0xff) + 1,
1713                        data->addr + W83781D_ADDR_REG_OFFSET);
1714         }
1715         outb_p(value & 0xff,
1716                data->addr + W83781D_DATA_REG_OFFSET);
1717         w83627hf_reset_bank(data, reg);
1718         mutex_unlock(&data->lock);
1719         return 0;
1720 }
1721
1722 static void w83627hf_init_device(struct platform_device *pdev)
1723 {
1724         struct w83627hf_data *data = platform_get_drvdata(pdev);
1725         int i;
1726         enum chips type = data->type;
1727         u8 tmp;
1728
1729         /* Minimize conflicts with other winbond i2c-only clients...  */
1730         /* disable i2c subclients... how to disable main i2c client?? */
1731         /* force i2c address to relatively uncommon address */
1732         if (type == w83627hf) {
1733                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1734                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1735         }
1736
1737         /* Read VID only once */
1738         if (type == w83627hf || type == w83637hf) {
1739                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1740                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1741                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1742         } else if (type == w83627thf) {
1743                 data->vid = w83627thf_read_gpio5(pdev);
1744         } else if (type == w83687thf) {
1745                 data->vid = w83687thf_read_vid(pdev);
1746         }
1747
1748         /* Read VRM & OVT Config only once */
1749         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1750                 data->vrm_ovt =
1751                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1752         }
1753
1754         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1755         for (i = 1; i <= 3; i++) {
1756                 if (!(tmp & BIT_SCFG1[i - 1])) {
1757                         data->sens[i - 1] = 4;
1758                 } else {
1759                         if (w83627hf_read_value
1760                             (data,
1761                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1762                                 data->sens[i - 1] = 1;
1763                         else
1764                                 data->sens[i - 1] = 2;
1765                 }
1766                 if ((type == w83697hf) && (i == 2))
1767                         break;
1768         }
1769
1770         if(init) {
1771                 /* Enable temp2 */
1772                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1773                 if (tmp & 0x01) {
1774                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1775                                  "might not make sense\n");
1776                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1777                                 tmp & 0xfe);
1778                 }
1779
1780                 /* Enable temp3 */
1781                 if (type != w83697hf) {
1782                         tmp = w83627hf_read_value(data,
1783                                 W83627HF_REG_TEMP3_CONFIG);
1784                         if (tmp & 0x01) {
1785                                 dev_warn(&pdev->dev, "Enabling temp3, "
1786                                          "readings might not make sense\n");
1787                                 w83627hf_write_value(data,
1788                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1789                         }
1790                 }
1791         }
1792
1793         /* Start monitoring */
1794         w83627hf_write_value(data, W83781D_REG_CONFIG,
1795                             (w83627hf_read_value(data,
1796                                                 W83781D_REG_CONFIG) & 0xf7)
1797                             | 0x01);
1798
1799         /* Enable VBAT monitoring if needed */
1800         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1801         if (!(tmp & 0x01))
1802                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1803 }
1804
1805 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1806 {
1807         int reg;
1808
1809         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1810         data->fan_div[0] = (reg >> 4) & 0x03;
1811         data->fan_div[1] = (reg >> 6) & 0x03;
1812         if (data->type != w83697hf) {
1813                 data->fan_div[2] = (w83627hf_read_value(data,
1814                                        W83781D_REG_PIN) >> 6) & 0x03;
1815         }
1816         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1817         data->fan_div[0] |= (reg >> 3) & 0x04;
1818         data->fan_div[1] |= (reg >> 4) & 0x04;
1819         if (data->type != w83697hf)
1820                 data->fan_div[2] |= (reg >> 5) & 0x04;
1821 }
1822
1823 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1824 {
1825         struct w83627hf_data *data = dev_get_drvdata(dev);
1826         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1827         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1828
1829         mutex_lock(&data->update_lock);
1830
1831         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1832             || !data->valid) {
1833                 for (i = 0; i <= 8; i++) {
1834                         /* skip missing sensors */
1835                         if (((data->type == w83697hf) && (i == 1)) ||
1836                             ((data->type != w83627hf && data->type != w83697hf)
1837                             && (i == 5 || i == 6)))
1838                                 continue;
1839                         data->in[i] =
1840                             w83627hf_read_value(data, W83781D_REG_IN(i));
1841                         data->in_min[i] =
1842                             w83627hf_read_value(data,
1843                                                W83781D_REG_IN_MIN(i));
1844                         data->in_max[i] =
1845                             w83627hf_read_value(data,
1846                                                W83781D_REG_IN_MAX(i));
1847                 }
1848                 for (i = 0; i <= 2; i++) {
1849                         data->fan[i] =
1850                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1851                         data->fan_min[i] =
1852                             w83627hf_read_value(data,
1853                                                W83627HF_REG_FAN_MIN(i));
1854                 }
1855                 for (i = 0; i <= 2; i++) {
1856                         u8 tmp = w83627hf_read_value(data,
1857                                 W836X7HF_REG_PWM(data->type, i));
1858                         /* bits 0-3 are reserved  in 627THF */
1859                         if (data->type == w83627thf)
1860                                 tmp &= 0xf0;
1861                         data->pwm[i] = tmp;
1862                         if (i == 1 &&
1863                             (data->type == w83627hf || data->type == w83697hf))
1864                                 break;
1865                 }
1866                 if (data->type == w83627hf) {
1867                                 u8 tmp = w83627hf_read_value(data,
1868                                                 W83627HF_REG_PWM_FREQ);
1869                                 data->pwm_freq[0] = tmp & 0x07;
1870                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1871                 } else if (data->type != w83627thf) {
1872                         for (i = 1; i <= 3; i++) {
1873                                 data->pwm_freq[i - 1] =
1874                                         w83627hf_read_value(data,
1875                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1876                                 if (i == 2 && (data->type == w83697hf))
1877                                         break;
1878                         }
1879                 }
1880                 if (data->type != w83627hf) {
1881                         for (i = 0; i < num_pwms; i++) {
1882                                 u8 tmp = w83627hf_read_value(data,
1883                                         W83627THF_REG_PWM_ENABLE[i]);
1884                                 data->pwm_enable[i] =
1885                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1886                                         & 0x03) + 1;
1887                         }
1888                 }
1889                 for (i = 0; i < num_temps; i++) {
1890                         data->temp[i] = w83627hf_read_value(
1891                                                 data, w83627hf_reg_temp[i]);
1892                         data->temp_max[i] = w83627hf_read_value(
1893                                                 data, w83627hf_reg_temp_over[i]);
1894                         data->temp_max_hyst[i] = w83627hf_read_value(
1895                                                 data, w83627hf_reg_temp_hyst[i]);
1896                 }
1897
1898                 w83627hf_update_fan_div(data);
1899
1900                 data->alarms =
1901                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1902                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1903                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1904                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1905                 data->beep_mask = (i << 8) |
1906                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1907                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1908                 data->last_updated = jiffies;
1909                 data->valid = 1;
1910         }
1911
1912         mutex_unlock(&data->update_lock);
1913
1914         return data;
1915 }
1916
1917 static int __init w83627hf_device_add(unsigned short address,
1918                                       const struct w83627hf_sio_data *sio_data)
1919 {
1920         struct resource res = {
1921                 .start  = address + WINB_REGION_OFFSET,
1922                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1923                 .name   = DRVNAME,
1924                 .flags  = IORESOURCE_IO,
1925         };
1926         int err;
1927
1928         err = acpi_check_resource_conflict(&res);
1929         if (err)
1930                 goto exit;
1931
1932         pdev = platform_device_alloc(DRVNAME, address);
1933         if (!pdev) {
1934                 err = -ENOMEM;
1935                 pr_err("Device allocation failed\n");
1936                 goto exit;
1937         }
1938
1939         err = platform_device_add_resources(pdev, &res, 1);
1940         if (err) {
1941                 pr_err("Device resource addition failed (%d)\n", err);
1942                 goto exit_device_put;
1943         }
1944
1945         err = platform_device_add_data(pdev, sio_data,
1946                                        sizeof(struct w83627hf_sio_data));
1947         if (err) {
1948                 pr_err("Platform data allocation failed\n");
1949                 goto exit_device_put;
1950         }
1951
1952         err = platform_device_add(pdev);
1953         if (err) {
1954                 pr_err("Device addition failed (%d)\n", err);
1955                 goto exit_device_put;
1956         }
1957
1958         return 0;
1959
1960 exit_device_put:
1961         platform_device_put(pdev);
1962 exit:
1963         return err;
1964 }
1965
1966 static int __init sensors_w83627hf_init(void)
1967 {
1968         int err;
1969         unsigned short address;
1970         struct w83627hf_sio_data sio_data;
1971
1972         if (w83627hf_find(0x2e, &address, &sio_data)
1973          && w83627hf_find(0x4e, &address, &sio_data))
1974                 return -ENODEV;
1975
1976         err = platform_driver_register(&w83627hf_driver);
1977         if (err)
1978                 goto exit;
1979
1980         /* Sets global pdev as a side effect */
1981         err = w83627hf_device_add(address, &sio_data);
1982         if (err)
1983                 goto exit_driver;
1984
1985         return 0;
1986
1987 exit_driver:
1988         platform_driver_unregister(&w83627hf_driver);
1989 exit:
1990         return err;
1991 }
1992
1993 static void __exit sensors_w83627hf_exit(void)
1994 {
1995         platform_device_unregister(pdev);
1996         platform_driver_unregister(&w83627hf_driver);
1997 }
1998
1999 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2000               "Philip Edelbrock <phil@netroedge.com>, "
2001               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2002 MODULE_DESCRIPTION("W83627HF driver");
2003 MODULE_LICENSE("GPL");
2004
2005 module_init(sensors_w83627hf_init);
2006 module_exit(sensors_w83627hf_exit);