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   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  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 #include <linux/module.h>
  43 #include <linux/init.h>
  44 #include <linux/slab.h>
  45 #include <linux/jiffies.h>
  46 #include <linux/platform_device.h>
  47 #include <linux/hwmon.h>
  48 #include <linux/hwmon-sysfs.h>
  49 #include <linux/hwmon-vid.h>
  50 #include <linux/err.h>
  51 #include <linux/mutex.h>
  52 #include <linux/ioport.h>
  53 #include <linux/acpi.h>
  54 #include <linux/io.h>
  55 #include "lm75.h"
  56
  57 static struct platform_device *pdev;
  58
  59 #define DRVNAME "w83627hf"
  60 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  61
  62 static u8 force_i2c = 0x1f;
  63 module_param(force_i2c, byte, 0);
  64 MODULE_PARM_DESC(force_i2c,
  65                  "Initialize the i2c address of the sensors");
  66
  67 static int init = 1;
  68 module_param(init, bool, 0);
  69 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  70
  71 static unsigned short force_id;
  72 module_param(force_id, ushort, 0);
  73 MODULE_PARM_DESC(force_id, "Override the detected device ID");
  74
  75 /* modified from kernel/include/traps.c */
  76 static int REG;         /* The register to read/write */
  77 #define DEV     0x07    /* Register: Logical device select */
  78 static int VAL;         /* The value to read/write */
  79
  80 /* logical device numbers for superio_select (below) */
  81 #define W83627HF_LD_FDC         0x00
  82 #define W83627HF_LD_PRT         0x01
  83 #define W83627HF_LD_UART1       0x02
  84 #define W83627HF_LD_UART2       0x03
  85 #define W83627HF_LD_KBC         0x05
  86 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
  87 #define W83627HF_LD_GAME        0x07
  88 #define W83627HF_LD_MIDI        0x07
  89 #define W83627HF_LD_GPIO1       0x07
  90 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  91 #define W83627HF_LD_GPIO2       0x08
  92 #define W83627HF_LD_GPIO3       0x09
  93 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  94 #define W83627HF_LD_ACPI        0x0a
  95 #define W83627HF_LD_HWM         0x0b
  96
  97 #define DEVID   0x20    /* Register: Device ID */
  98
  99 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 100 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 101 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 102
 103 #define W83687THF_VID_EN        0x29 /* w83687thf only */
 104 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 105 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 106
 107 static inline void
 108 superio_outb(int reg, int val)
 109 {
 110         outb(reg, REG);
 111         outb(val, VAL);
 112 }
 113
 114 static inline int
 115 superio_inb(int reg)
 116 {
 117         outb(reg, REG);
 118         return inb(VAL);
 119 }
 120
 121 static inline void
 122 superio_select(int ld)
 123 {
 124         outb(DEV, REG);
 125         outb(ld, VAL);
 126 }
 127
 128 static inline void
 129 superio_enter(void)
 130 {
 131         outb(0x87, REG);
 132         outb(0x87, REG);
 133 }
 134
 135 static inline void
 136 superio_exit(void)
 137 {
 138         outb(0xAA, REG);
 139 }
 140
 141 #define W627_DEVID 0x52
 142 #define W627THF_DEVID 0x82
 143 #define W697_DEVID 0x60
 144 #define W637_DEVID 0x70
 145 #define W687THF_DEVID 0x85
 146 #define WINB_ACT_REG 0x30
 147 #define WINB_BASE_REG 0x60
 148 /* Constants specified below */
 149
 150 /* Alignment of the base address */
 151 #define WINB_ALIGNMENT          ~7
 152
 153 /* Offset & size of I/O region we are interested in */
 154 #define WINB_REGION_OFFSET      5
 155 #define WINB_REGION_SIZE        2
 156
 157 /* Where are the sensors address/data registers relative to the region offset */
 158 #define W83781D_ADDR_REG_OFFSET 0
 159 #define W83781D_DATA_REG_OFFSET 1
 160
 161 /* The W83781D registers */
 162 /* The W83782D registers for nr=7,8 are in bank 5 */
 163 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 164                                            (0x554 + (((nr) - 7) * 2)))
 165 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 166                                            (0x555 + (((nr) - 7) * 2)))
 167 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 168                                            (0x550 + (nr) - 7))
 169
 170 /* nr:0-2 for fans:1-3 */
 171 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 172 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 173
 174 #define W83627HF_REG_TEMP2_CONFIG 0x152
 175 #define W83627HF_REG_TEMP3_CONFIG 0x252
 176 /* these are zero-based, unlike config constants above */
 177 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 178 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 179 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 180
 181 #define W83781D_REG_BANK 0x4E
 182
 183 #define W83781D_REG_CONFIG 0x40
 184 #define W83781D_REG_ALARM1 0x459
 185 #define W83781D_REG_ALARM2 0x45A
 186 #define W83781D_REG_ALARM3 0x45B
 187
 188 #define W83781D_REG_BEEP_CONFIG 0x4D
 189 #define W83781D_REG_BEEP_INTS1 0x56
 190 #define W83781D_REG_BEEP_INTS2 0x57
 191 #define W83781D_REG_BEEP_INTS3 0x453
 192
 193 #define W83781D_REG_VID_FANDIV 0x47
 194
 195 #define W83781D_REG_CHIPID 0x49
 196 #define W83781D_REG_WCHIPID 0x58
 197 #define W83781D_REG_CHIPMAN 0x4F
 198 #define W83781D_REG_PIN 0x4B
 199
 200 #define W83781D_REG_VBAT 0x5D
 201
 202 #define W83627HF_REG_PWM1 0x5A
 203 #define W83627HF_REG_PWM2 0x5B
 204
 205 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 206         0x04,           /* FAN 1 mode */
 207         0x04,           /* FAN 2 mode */
 208         0x12,           /* FAN AUX mode */
 209 };
 210 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 211
 212 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 213 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 214 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 215
 216 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 217
 218 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 219 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 220                              W83627THF_REG_PWM3 };
 221 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 222                                     regpwm_627hf[nr] : regpwm[nr])
 223
 224 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 225
 226 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 227 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 228 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 229
 230 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 231                                         W83637HF_REG_PWM_FREQ2,
 232                                         W83637HF_REG_PWM_FREQ3 };
 233
 234 #define W83627HF_BASE_PWM_FREQ  46870
 235
 236 #define W83781D_REG_I2C_ADDR 0x48
 237 #define W83781D_REG_I2C_SUBADDR 0x4A
 238
 239 /* Sensor selection */
 240 #define W83781D_REG_SCFG1 0x5D
 241 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 242 #define W83781D_REG_SCFG2 0x59
 243 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 244 #define W83781D_DEFAULT_BETA 3435
 245
 246 /* Conversions. Limit checking is only done on the TO_REG
 247    variants. Note that you should be a bit careful with which arguments
 248    these macros are called: arguments may be evaluated more than once.
 249    Fixing this is just not worth it. */
 250 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 251 #define IN_FROM_REG(val) ((val) * 16)
 252
 253 static inline u8 FAN_TO_REG(long rpm, int div)
 254 {
 255         if (rpm == 0)
 256                 return 255;
 257         rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 258         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
 259                              254);
 260 }
 261
 262 #define TEMP_MIN (-128000)
 263 #define TEMP_MAX ( 127000)
 264
 265 /* TEMP: 0.001C/bit (-128C to +127C)
 266    REG: 1C/bit, two's complement */
 267 static u8 TEMP_TO_REG(long temp)
 268 {
 269         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
 270         ntemp += (ntemp<0 ? -500 : 500);
 271         return (u8)(ntemp / 1000);
 272 }
 273
 274 static int TEMP_FROM_REG(u8 reg)
 275 {
 276         return (s8)reg * 1000;
 277 }
 278
 279 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 280
 281 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
 282
 283 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 284 {
 285         unsigned long freq;
 286         freq = W83627HF_BASE_PWM_FREQ >> reg;
 287         return freq;
 288 }
 289 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 290 {
 291         u8 i;
 292         /* Only 5 dividers (1 2 4 8 16)
 293            Search for the nearest available frequency */
 294         for (i = 0; i < 4; i++) {
 295                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 296                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 297                         break;
 298         }
 299         return i;
 300 }
 301
 302 static inline unsigned long pwm_freq_from_reg(u8 reg)
 303 {
 304         /* Clock bit 8 -> 180 kHz or 24 MHz */
 305         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 306
 307         reg &= 0x7f;
 308         /* This should not happen but anyway... */
 309         if (reg == 0)
 310                 reg++;
 311         return (clock / (reg << 8));
 312 }
 313 static inline u8 pwm_freq_to_reg(unsigned long val)
 314 {
 315         /* Minimum divider value is 0x01 and maximum is 0x7F */
 316         if (val >= 93750)       /* The highest we can do */
 317                 return 0x01;
 318         if (val >= 720) /* Use 24 MHz clock */
 319                 return (24000000UL / (val << 8));
 320         if (val < 6)            /* The lowest we can do */
 321                 return 0xFF;
 322         else                    /* Use 180 kHz clock */
 323                 return (0x80 | (180000UL / (val << 8)));
 324 }
 325
 326 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 327 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 328
 329 #define DIV_FROM_REG(val) (1 << (val))
 330
 331 static inline u8 DIV_TO_REG(long val)
 332 {
 333         int i;
 334         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 335         for (i = 0; i < 7; i++) {
 336                 if (val == 0)
 337                         break;
 338                 val >>= 1;
 339         }
 340         return ((u8) i);
 341 }
 342
 343 /* For each registered chip, we need to keep some data in memory.
 344    The structure is dynamically allocated. */
 345 struct w83627hf_data {
 346         unsigned short addr;
 347         const char *name;
 348         struct device *hwmon_dev;
 349         struct mutex lock;
 350         enum chips type;
 351
 352         struct mutex update_lock;
 353         char valid;             /* !=0 if following fields are valid */
 354         unsigned long last_updated;     /* In jiffies */
 355
 356         u8 in[9];               /* Register value */
 357         u8 in_max[9];           /* Register value */
 358         u8 in_min[9];           /* Register value */
 359         u8 fan[3];              /* Register value */
 360         u8 fan_min[3];          /* Register value */
 361         u16 temp[3];            /* Register value */
 362         u16 temp_max[3];        /* Register value */
 363         u16 temp_max_hyst[3];   /* Register value */
 364         u8 fan_div[3];          /* Register encoding, shifted right */
 365         u8 vid;                 /* Register encoding, combined */
 366         u32 alarms;             /* Register encoding, combined */
 367         u32 beep_mask;          /* Register encoding, combined */
 368         u8 pwm[3];              /* Register value */
 369         u8 pwm_enable[3];       /* 1 = manual
 370                                    2 = thermal cruise (also called SmartFan I)
 371                                    3 = fan speed cruise */
 372         u8 pwm_freq[3];         /* Register value */
 373         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 374                                    4 = thermistor */
 375         u8 vrm;
 376         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 377 };
 378
 379 struct w83627hf_sio_data {
 380         enum chips type;
 381 };
 382
 383
 384 static int w83627hf_probe(struct platform_device *pdev);
 385 static int __devexit w83627hf_remove(struct platform_device *pdev);
 386
 387 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 388 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 389 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 390 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 391 static void w83627hf_init_device(struct platform_device *pdev);
 392
 393 static struct platform_driver w83627hf_driver = {
 394         .driver = {
 395                 .owner  = THIS_MODULE,
 396                 .name   = DRVNAME,
 397         },
 398         .probe          = w83627hf_probe,
 399         .remove         = __devexit_p(w83627hf_remove),
 400 };
 401
 402 static ssize_t
 403 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 404 {
 405         int nr = to_sensor_dev_attr(devattr)->index;
 406         struct w83627hf_data *data = w83627hf_update_device(dev);
 407         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 408 }
 409 static ssize_t
 410 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 411 {
 412         int nr = to_sensor_dev_attr(devattr)->index;
 413         struct w83627hf_data *data = w83627hf_update_device(dev);
 414         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 415 }
 416 static ssize_t
 417 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 418 {
 419         int nr = to_sensor_dev_attr(devattr)->index;
 420         struct w83627hf_data *data = w83627hf_update_device(dev);
 421         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 422 }
 423 static ssize_t
 424 store_in_min(struct device *dev, struct device_attribute *devattr,
 425              const char *buf, size_t count)
 426 {
 427         int nr = to_sensor_dev_attr(devattr)->index;
 428         struct w83627hf_data *data = dev_get_drvdata(dev);
 429         long val = simple_strtol(buf, NULL, 10);
 430
 431         mutex_lock(&data->update_lock);
 432         data->in_min[nr] = IN_TO_REG(val);
 433         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 434         mutex_unlock(&data->update_lock);
 435         return count;
 436 }
 437 static ssize_t
 438 store_in_max(struct device *dev, struct device_attribute *devattr,
 439              const char *buf, size_t count)
 440 {
 441         int nr = to_sensor_dev_attr(devattr)->index;
 442         struct w83627hf_data *data = dev_get_drvdata(dev);
 443         long val = simple_strtol(buf, NULL, 10);
 444
 445         mutex_lock(&data->update_lock);
 446         data->in_max[nr] = IN_TO_REG(val);
 447         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 448         mutex_unlock(&data->update_lock);
 449         return count;
 450 }
 451 #define sysfs_vin_decl(offset) \
 452 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 453                           show_in_input, NULL, offset);         \
 454 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 455                           show_in_min, store_in_min, offset);   \
 456 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 457                           show_in_max, store_in_max, offset);
 458
 459 sysfs_vin_decl(1);
 460 sysfs_vin_decl(2);
 461 sysfs_vin_decl(3);
 462 sysfs_vin_decl(4);
 463 sysfs_vin_decl(5);
 464 sysfs_vin_decl(6);
 465 sysfs_vin_decl(7);
 466 sysfs_vin_decl(8);
 467
 468 /* use a different set of functions for in0 */
 469 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 470 {
 471         long in0;
 472
 473         if ((data->vrm_ovt & 0x01) &&
 474                 (w83627thf == data->type || w83637hf == data->type
 475                  || w83687thf == data->type))
 476
 477                 /* use VRM9 calculation */
 478                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 479         else
 480                 /* use VRM8 (standard) calculation */
 481                 in0 = (long)IN_FROM_REG(reg);
 482
 483         return sprintf(buf,"%ld\n", in0);
 484 }
 485
 486 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
 487 {
 488         struct w83627hf_data *data = w83627hf_update_device(dev);
 489         return show_in_0(data, buf, data->in[0]);
 490 }
 491
 492 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
 493 {
 494         struct w83627hf_data *data = w83627hf_update_device(dev);
 495         return show_in_0(data, buf, data->in_min[0]);
 496 }
 497
 498 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
 499 {
 500         struct w83627hf_data *data = w83627hf_update_device(dev);
 501         return show_in_0(data, buf, data->in_max[0]);
 502 }
 503
 504 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
 505         const char *buf, size_t count)
 506 {
 507         struct w83627hf_data *data = dev_get_drvdata(dev);
 508         u32 val;
 509
 510         val = simple_strtoul(buf, NULL, 10);
 511
 512         mutex_lock(&data->update_lock);
 513
 514         if ((data->vrm_ovt & 0x01) &&
 515                 (w83627thf == data->type || w83637hf == data->type
 516                  || w83687thf == data->type))
 517
 518                 /* use VRM9 calculation */
 519                 data->in_min[0] =
 520                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 521                                         255);
 522         else
 523                 /* use VRM8 (standard) calculation */
 524                 data->in_min[0] = IN_TO_REG(val);
 525
 526         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 527         mutex_unlock(&data->update_lock);
 528         return count;
 529 }
 530
 531 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
 532         const char *buf, size_t count)
 533 {
 534         struct w83627hf_data *data = dev_get_drvdata(dev);
 535         u32 val;
 536
 537         val = simple_strtoul(buf, NULL, 10);
 538
 539         mutex_lock(&data->update_lock);
 540
 541         if ((data->vrm_ovt & 0x01) &&
 542                 (w83627thf == data->type || w83637hf == data->type
 543                  || w83687thf == data->type))
 544
 545                 /* use VRM9 calculation */
 546                 data->in_max[0] =
 547                         SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0,
 548                                         255);
 549         else
 550                 /* use VRM8 (standard) calculation */
 551                 data->in_max[0] = IN_TO_REG(val);
 552
 553         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 554         mutex_unlock(&data->update_lock);
 555         return count;
 556 }
 557
 558 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
 559 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 560         show_regs_in_min0, store_regs_in_min0);
 561 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 562         show_regs_in_max0, store_regs_in_max0);
 563
 564 static ssize_t
 565 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
 566 {
 567         int nr = to_sensor_dev_attr(devattr)->index;
 568         struct w83627hf_data *data = w83627hf_update_device(dev);
 569         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
 570                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 571 }
 572 static ssize_t
 573 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 574 {
 575         int nr = to_sensor_dev_attr(devattr)->index;
 576         struct w83627hf_data *data = w83627hf_update_device(dev);
 577         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 578                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 579 }
 580 static ssize_t
 581 store_fan_min(struct device *dev, struct device_attribute *devattr,
 582               const char *buf, size_t count)
 583 {
 584         int nr = to_sensor_dev_attr(devattr)->index;
 585         struct w83627hf_data *data = dev_get_drvdata(dev);
 586         u32 val = simple_strtoul(buf, NULL, 10);
 587
 588         mutex_lock(&data->update_lock);
 589         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 590         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 591                              data->fan_min[nr]);
 592
 593         mutex_unlock(&data->update_lock);
 594         return count;
 595 }
 596 #define sysfs_fan_decl(offset)  \
 597 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 598                           show_fan_input, NULL, offset - 1);            \
 599 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 600                           show_fan_min, store_fan_min, offset - 1);
 601
 602 sysfs_fan_decl(1);
 603 sysfs_fan_decl(2);
 604 sysfs_fan_decl(3);
 605
 606 static ssize_t
 607 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 608 {
 609         int nr = to_sensor_dev_attr(devattr)->index;
 610         struct w83627hf_data *data = w83627hf_update_device(dev);
 611
 612         u16 tmp = data->temp[nr];
 613         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 614                                           : (long) TEMP_FROM_REG(tmp));
 615 }
 616
 617 static ssize_t
 618 show_temp_max(struct device *dev, struct device_attribute *devattr,
 619               char *buf)
 620 {
 621         int nr = to_sensor_dev_attr(devattr)->index;
 622         struct w83627hf_data *data = w83627hf_update_device(dev);
 623
 624         u16 tmp = data->temp_max[nr];
 625         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 626                                           : (long) TEMP_FROM_REG(tmp));
 627 }
 628
 629 static ssize_t
 630 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 631                    char *buf)
 632 {
 633         int nr = to_sensor_dev_attr(devattr)->index;
 634         struct w83627hf_data *data = w83627hf_update_device(dev);
 635
 636         u16 tmp = data->temp_max_hyst[nr];
 637         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 638                                           : (long) TEMP_FROM_REG(tmp));
 639 }
 640
 641 static ssize_t
 642 store_temp_max(struct device *dev, struct device_attribute *devattr,
 643                const char *buf, size_t count)
 644 {
 645         int nr = to_sensor_dev_attr(devattr)->index;
 646         struct w83627hf_data *data = dev_get_drvdata(dev);
 647         long val = simple_strtol(buf, NULL, 10);
 648         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 649
 650         mutex_lock(&data->update_lock);
 651         data->temp_max[nr] = tmp;
 652         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 653         mutex_unlock(&data->update_lock);
 654         return count;
 655 }
 656
 657 static ssize_t
 658 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 659                     const char *buf, size_t count)
 660 {
 661         int nr = to_sensor_dev_attr(devattr)->index;
 662         struct w83627hf_data *data = dev_get_drvdata(dev);
 663         long val = simple_strtol(buf, NULL, 10);
 664         u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 665
 666         mutex_lock(&data->update_lock);
 667         data->temp_max_hyst[nr] = tmp;
 668         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 669         mutex_unlock(&data->update_lock);
 670         return count;
 671 }
 672
 673 #define sysfs_temp_decl(offset) \
 674 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 675                           show_temp, NULL, offset - 1);                 \
 676 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 677                           show_temp_max, store_temp_max, offset - 1);   \
 678 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 679                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 680
 681 sysfs_temp_decl(1);
 682 sysfs_temp_decl(2);
 683 sysfs_temp_decl(3);
 684
 685 static ssize_t
 686 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 687 {
 688         struct w83627hf_data *data = w83627hf_update_device(dev);
 689         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 690 }
 691 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 692
 693 static ssize_t
 694 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 695 {
 696         struct w83627hf_data *data = dev_get_drvdata(dev);
 697         return sprintf(buf, "%ld\n", (long) data->vrm);
 698 }
 699 static ssize_t
 700 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 701 {
 702         struct w83627hf_data *data = dev_get_drvdata(dev);
 703         u32 val;
 704
 705         val = simple_strtoul(buf, NULL, 10);
 706         data->vrm = val;
 707
 708         return count;
 709 }
 710 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 711
 712 static ssize_t
 713 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 714 {
 715         struct w83627hf_data *data = w83627hf_update_device(dev);
 716         return sprintf(buf, "%ld\n", (long) data->alarms);
 717 }
 718 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 719
 720 static ssize_t
 721 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 722 {
 723         struct w83627hf_data *data = w83627hf_update_device(dev);
 724         int bitnr = to_sensor_dev_attr(attr)->index;
 725         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 726 }
 727 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 728 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 729 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 730 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 731 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 732 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 733 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 734 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 735 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 736 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 737 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 738 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 739 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 740 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 741 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 742
 743 static ssize_t
 744 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf)
 745 {
 746         struct w83627hf_data *data = w83627hf_update_device(dev);
 747         return sprintf(buf, "%ld\n",
 748                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 749 }
 750
 751 static ssize_t
 752 store_beep_mask(struct device *dev, struct device_attribute *attr,
 753                 const char *buf, size_t count)
 754 {
 755         struct w83627hf_data *data = dev_get_drvdata(dev);
 756         unsigned long val;
 757
 758         val = simple_strtoul(buf, NULL, 10);
 759
 760         mutex_lock(&data->update_lock);
 761
 762         /* preserve beep enable */
 763         data->beep_mask = (data->beep_mask & 0x8000)
 764                         | BEEP_MASK_TO_REG(val);
 765         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 766                             data->beep_mask & 0xff);
 767         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 768                             ((data->beep_mask) >> 16) & 0xff);
 769         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 770                             (data->beep_mask >> 8) & 0xff);
 771
 772         mutex_unlock(&data->update_lock);
 773         return count;
 774 }
 775
 776 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 777                    show_beep_mask, store_beep_mask);
 778
 779 static ssize_t
 780 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 781 {
 782         struct w83627hf_data *data = w83627hf_update_device(dev);
 783         int bitnr = to_sensor_dev_attr(attr)->index;
 784         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 785 }
 786
 787 static ssize_t
 788 store_beep(struct device *dev, struct device_attribute *attr,
 789                 const char *buf, size_t count)
 790 {
 791         struct w83627hf_data *data = dev_get_drvdata(dev);
 792         int bitnr = to_sensor_dev_attr(attr)->index;
 793         unsigned long bit;
 794         u8 reg;
 795
 796         bit = simple_strtoul(buf, NULL, 10);
 797         if (bit & ~1)
 798                 return -EINVAL;
 799
 800         mutex_lock(&data->update_lock);
 801         if (bit)
 802                 data->beep_mask |= (1 << bitnr);
 803         else
 804                 data->beep_mask &= ~(1 << bitnr);
 805
 806         if (bitnr < 8) {
 807                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 808                 if (bit)
 809                         reg |= (1 << bitnr);
 810                 else
 811                         reg &= ~(1 << bitnr);
 812                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 813         } else if (bitnr < 16) {
 814                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 815                 if (bit)
 816                         reg |= (1 << (bitnr - 8));
 817                 else
 818                         reg &= ~(1 << (bitnr - 8));
 819                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 820         } else {
 821                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 822                 if (bit)
 823                         reg |= (1 << (bitnr - 16));
 824                 else
 825                         reg &= ~(1 << (bitnr - 16));
 826                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 827         }
 828         mutex_unlock(&data->update_lock);
 829
 830         return count;
 831 }
 832
 833 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 834                         show_beep, store_beep, 0);
 835 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 836                         show_beep, store_beep, 1);
 837 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 838                         show_beep, store_beep, 2);
 839 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 840                         show_beep, store_beep, 3);
 841 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 842                         show_beep, store_beep, 8);
 843 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 844                         show_beep, store_beep, 9);
 845 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 846                         show_beep, store_beep, 10);
 847 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 848                         show_beep, store_beep, 16);
 849 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 850                         show_beep, store_beep, 17);
 851 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 852                         show_beep, store_beep, 6);
 853 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 854                         show_beep, store_beep, 7);
 855 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 856                         show_beep, store_beep, 11);
 857 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 858                         show_beep, store_beep, 4);
 859 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 860                         show_beep, store_beep, 5);
 861 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 862                         show_beep, store_beep, 13);
 863 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 864                         show_beep, store_beep, 15);
 865
 866 static ssize_t
 867 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 868 {
 869         int nr = to_sensor_dev_attr(devattr)->index;
 870         struct w83627hf_data *data = w83627hf_update_device(dev);
 871         return sprintf(buf, "%ld\n",
 872                        (long) DIV_FROM_REG(data->fan_div[nr]));
 873 }
 874 /* Note: we save and restore the fan minimum here, because its value is
 875    determined in part by the fan divisor.  This follows the principle of
 876    least surprise; the user doesn't expect the fan minimum to change just
 877    because the divisor changed. */
 878 static ssize_t
 879 store_fan_div(struct device *dev, struct device_attribute *devattr,
 880               const char *buf, size_t count)
 881 {
 882         int nr = to_sensor_dev_attr(devattr)->index;
 883         struct w83627hf_data *data = dev_get_drvdata(dev);
 884         unsigned long min;
 885         u8 reg;
 886         unsigned long val = simple_strtoul(buf, NULL, 10);
 887
 888         mutex_lock(&data->update_lock);
 889
 890         /* Save fan_min */
 891         min = FAN_FROM_REG(data->fan_min[nr],
 892                            DIV_FROM_REG(data->fan_div[nr]));
 893
 894         data->fan_div[nr] = DIV_TO_REG(val);
 895
 896         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
 897                & (nr==0 ? 0xcf : 0x3f))
 898             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
 899         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 900
 901         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
 902                & ~(1 << (5 + nr)))
 903             | ((data->fan_div[nr] & 0x04) << (3 + nr));
 904         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 905
 906         /* Restore fan_min */
 907         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 908         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 909
 910         mutex_unlock(&data->update_lock);
 911         return count;
 912 }
 913
 914 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
 915                           show_fan_div, store_fan_div, 0);
 916 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
 917                           show_fan_div, store_fan_div, 1);
 918 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
 919                           show_fan_div, store_fan_div, 2);
 920
 921 static ssize_t
 922 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
 923 {
 924         int nr = to_sensor_dev_attr(devattr)->index;
 925         struct w83627hf_data *data = w83627hf_update_device(dev);
 926         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 927 }
 928
 929 static ssize_t
 930 store_pwm(struct device *dev, struct device_attribute *devattr,
 931           const char *buf, size_t count)
 932 {
 933         int nr = to_sensor_dev_attr(devattr)->index;
 934         struct w83627hf_data *data = dev_get_drvdata(dev);
 935         u32 val = simple_strtoul(buf, NULL, 10);
 936
 937         mutex_lock(&data->update_lock);
 938
 939         if (data->type == w83627thf) {
 940                 /* bits 0-3 are reserved  in 627THF */
 941                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
 942                 w83627hf_write_value(data,
 943                                      W836X7HF_REG_PWM(data->type, nr),
 944                                      data->pwm[nr] |
 945                                      (w83627hf_read_value(data,
 946                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
 947         } else {
 948                 data->pwm[nr] = PWM_TO_REG(val);
 949                 w83627hf_write_value(data,
 950                                      W836X7HF_REG_PWM(data->type, nr),
 951                                      data->pwm[nr]);
 952         }
 953
 954         mutex_unlock(&data->update_lock);
 955         return count;
 956 }
 957
 958 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
 959 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
 960 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
 961
 962 static ssize_t
 963 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
 964 {
 965         int nr = to_sensor_dev_attr(devattr)->index;
 966         struct w83627hf_data *data = w83627hf_update_device(dev);
 967         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 968 }
 969
 970 static ssize_t
 971 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 972           const char *buf, size_t count)
 973 {
 974         int nr = to_sensor_dev_attr(devattr)->index;
 975         struct w83627hf_data *data = dev_get_drvdata(dev);
 976         unsigned long val = simple_strtoul(buf, NULL, 10);
 977         u8 reg;
 978
 979         if (!val || (val > 3))  /* modes 1, 2 and 3 are supported */
 980                 return -EINVAL;
 981         mutex_lock(&data->update_lock);
 982         data->pwm_enable[nr] = val;
 983         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
 984         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
 985         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
 986         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
 987         mutex_unlock(&data->update_lock);
 988         return count;
 989 }
 990
 991 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 992                                                   store_pwm_enable, 0);
 993 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 994                                                   store_pwm_enable, 1);
 995 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
 996                                                   store_pwm_enable, 2);
 997
 998 static ssize_t
 999 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1000 {
1001         int nr = to_sensor_dev_attr(devattr)->index;
1002         struct w83627hf_data *data = w83627hf_update_device(dev);
1003         if (data->type == w83627hf)
1004                 return sprintf(buf, "%ld\n",
1005                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1006         else
1007                 return sprintf(buf, "%ld\n",
1008                         pwm_freq_from_reg(data->pwm_freq[nr]));
1009 }
1010
1011 static ssize_t
1012 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1013                const char *buf, size_t count)
1014 {
1015         int nr = to_sensor_dev_attr(devattr)->index;
1016         struct w83627hf_data *data = dev_get_drvdata(dev);
1017         static const u8 mask[]={0xF8, 0x8F};
1018         u32 val;
1019
1020         val = simple_strtoul(buf, NULL, 10);
1021
1022         mutex_lock(&data->update_lock);
1023
1024         if (data->type == w83627hf) {
1025                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1026                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1027                                 (data->pwm_freq[nr] << (nr*4)) |
1028                                 (w83627hf_read_value(data,
1029                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1030         } else {
1031                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1032                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1033                                 data->pwm_freq[nr]);
1034         }
1035
1036         mutex_unlock(&data->update_lock);
1037         return count;
1038 }
1039
1040 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1041                           show_pwm_freq, store_pwm_freq, 0);
1042 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1043                           show_pwm_freq, store_pwm_freq, 1);
1044 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1045                           show_pwm_freq, store_pwm_freq, 2);
1046
1047 static ssize_t
1048 show_temp_type(struct device *dev, struct device_attribute *devattr,
1049                char *buf)
1050 {
1051         int nr = to_sensor_dev_attr(devattr)->index;
1052         struct w83627hf_data *data = w83627hf_update_device(dev);
1053         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1054 }
1055
1056 static ssize_t
1057 store_temp_type(struct device *dev, struct device_attribute *devattr,
1058                 const char *buf, size_t count)
1059 {
1060         int nr = to_sensor_dev_attr(devattr)->index;
1061         struct w83627hf_data *data = dev_get_drvdata(dev);
1062         u32 val, tmp;
1063
1064         val = simple_strtoul(buf, NULL, 10);
1065
1066         mutex_lock(&data->update_lock);
1067
1068         switch (val) {
1069         case 1:         /* PII/Celeron diode */
1070                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1071                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1072                                     tmp | BIT_SCFG1[nr]);
1073                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1074                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1075                                     tmp | BIT_SCFG2[nr]);
1076                 data->sens[nr] = val;
1077                 break;
1078         case 2:         /* 3904 */
1079                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1080                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1081                                     tmp | BIT_SCFG1[nr]);
1082                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1083                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1084                                     tmp & ~BIT_SCFG2[nr]);
1085                 data->sens[nr] = val;
1086                 break;
1087         case W83781D_DEFAULT_BETA:
1088                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1089                          "instead\n", W83781D_DEFAULT_BETA);
1090                 /* fall through */
1091         case 4:         /* thermistor */
1092                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1093                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1094                                     tmp & ~BIT_SCFG1[nr]);
1095                 data->sens[nr] = val;
1096                 break;
1097         default:
1098                 dev_err(dev,
1099                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1100                        (long) val);
1101                 break;
1102         }
1103
1104         mutex_unlock(&data->update_lock);
1105         return count;
1106 }
1107
1108 #define sysfs_temp_type(offset) \
1109 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1110                           show_temp_type, store_temp_type, offset - 1);
1111
1112 sysfs_temp_type(1);
1113 sysfs_temp_type(2);
1114 sysfs_temp_type(3);
1115
1116 static ssize_t
1117 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
1118 {
1119         struct w83627hf_data *data = dev_get_drvdata(dev);
1120
1121         return sprintf(buf, "%s\n", data->name);
1122 }
1123 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1124
1125 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1126                                 struct w83627hf_sio_data *sio_data)
1127 {
1128         int err = -ENODEV;
1129         u16 val;
1130
1131         static const __initdata char *names[] = {
1132                 "W83627HF",
1133                 "W83627THF",
1134                 "W83697HF",
1135                 "W83637HF",
1136                 "W83687THF",
1137         };
1138
1139         REG = sioaddr;
1140         VAL = sioaddr + 1;
1141
1142         superio_enter();
1143         val = force_id ? force_id : superio_inb(DEVID);
1144         switch (val) {
1145         case W627_DEVID:
1146                 sio_data->type = w83627hf;
1147                 break;
1148         case W627THF_DEVID:
1149                 sio_data->type = w83627thf;
1150                 break;
1151         case W697_DEVID:
1152                 sio_data->type = w83697hf;
1153                 break;
1154         case W637_DEVID:
1155                 sio_data->type = w83637hf;
1156                 break;
1157         case W687THF_DEVID:
1158                 sio_data->type = w83687thf;
1159                 break;
1160         case 0xff:      /* No device at all */
1161                 goto exit;
1162         default:
1163                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1164                 goto exit;
1165         }
1166
1167         superio_select(W83627HF_LD_HWM);
1168         val = (superio_inb(WINB_BASE_REG) << 8) |
1169                superio_inb(WINB_BASE_REG + 1);
1170         *addr = val & WINB_ALIGNMENT;
1171         if (*addr == 0) {
1172                 printk(KERN_WARNING DRVNAME ": Base address not set, "
1173                        "skipping\n");
1174                 goto exit;
1175         }
1176
1177         val = superio_inb(WINB_ACT_REG);
1178         if (!(val & 0x01)) {
1179                 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n");
1180                 superio_outb(WINB_ACT_REG, val | 0x01);
1181         }
1182
1183         err = 0;
1184         pr_info(DRVNAME ": Found %s chip at %#x\n",
1185                 names[sio_data->type], *addr);
1186
1187  exit:
1188         superio_exit();
1189         return err;
1190 }
1191
1192 #define VIN_UNIT_ATTRS(_X_)     \
1193         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1194         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1195         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1196         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1197         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1198
1199 #define FAN_UNIT_ATTRS(_X_)     \
1200         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1201         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1202         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1203         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1204         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1205
1206 #define TEMP_UNIT_ATTRS(_X_)    \
1207         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1208         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1209         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1210         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1211         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1212         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1213
1214 static struct attribute *w83627hf_attributes[] = {
1215         &dev_attr_in0_input.attr,
1216         &dev_attr_in0_min.attr,
1217         &dev_attr_in0_max.attr,
1218         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1219         &sensor_dev_attr_in0_beep.dev_attr.attr,
1220         VIN_UNIT_ATTRS(2),
1221         VIN_UNIT_ATTRS(3),
1222         VIN_UNIT_ATTRS(4),
1223         VIN_UNIT_ATTRS(7),
1224         VIN_UNIT_ATTRS(8),
1225
1226         FAN_UNIT_ATTRS(1),
1227         FAN_UNIT_ATTRS(2),
1228
1229         TEMP_UNIT_ATTRS(1),
1230         TEMP_UNIT_ATTRS(2),
1231
1232         &dev_attr_alarms.attr,
1233         &sensor_dev_attr_beep_enable.dev_attr.attr,
1234         &dev_attr_beep_mask.attr,
1235
1236         &sensor_dev_attr_pwm1.dev_attr.attr,
1237         &sensor_dev_attr_pwm2.dev_attr.attr,
1238         &dev_attr_name.attr,
1239         NULL
1240 };
1241
1242 static const struct attribute_group w83627hf_group = {
1243         .attrs = w83627hf_attributes,
1244 };
1245
1246 static struct attribute *w83627hf_attributes_opt[] = {
1247         VIN_UNIT_ATTRS(1),
1248         VIN_UNIT_ATTRS(5),
1249         VIN_UNIT_ATTRS(6),
1250
1251         FAN_UNIT_ATTRS(3),
1252         TEMP_UNIT_ATTRS(3),
1253         &sensor_dev_attr_pwm3.dev_attr.attr,
1254
1255         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1256         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1257         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1258
1259         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1260         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1261         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1262
1263         NULL
1264 };
1265
1266 static const struct attribute_group w83627hf_group_opt = {
1267         .attrs = w83627hf_attributes_opt,
1268 };
1269
1270 static int __devinit w83627hf_probe(struct platform_device *pdev)
1271 {
1272         struct device *dev = &pdev->dev;
1273         struct w83627hf_sio_data *sio_data = dev->platform_data;
1274         struct w83627hf_data *data;
1275         struct resource *res;
1276         int err, i;
1277
1278         static const char *names[] = {
1279                 "w83627hf",
1280                 "w83627thf",
1281                 "w83697hf",
1282                 "w83637hf",
1283                 "w83687thf",
1284         };
1285
1286         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1287         if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
1288                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1289                         (unsigned long)res->start,
1290                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1291                 err = -EBUSY;
1292                 goto ERROR0;
1293         }
1294
1295         if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1296                 err = -ENOMEM;
1297                 goto ERROR1;
1298         }
1299         data->addr = res->start;
1300         data->type = sio_data->type;
1301         data->name = names[sio_data->type];
1302         mutex_init(&data->lock);
1303         mutex_init(&data->update_lock);
1304         platform_set_drvdata(pdev, data);
1305
1306         /* Initialize the chip */
1307         w83627hf_init_device(pdev);
1308
1309         /* A few vars need to be filled upon startup */
1310         for (i = 0; i <= 2; i++)
1311                 data->fan_min[i] = w83627hf_read_value(
1312                                         data, W83627HF_REG_FAN_MIN(i));
1313         w83627hf_update_fan_div(data);
1314
1315         /* Register common device attributes */
1316         if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
1317                 goto ERROR3;
1318
1319         /* Register chip-specific device attributes */
1320         if (data->type == w83627hf || data->type == w83697hf)
1321                 if ((err = device_create_file(dev,
1322                                 &sensor_dev_attr_in5_input.dev_attr))
1323                  || (err = device_create_file(dev,
1324                                 &sensor_dev_attr_in5_min.dev_attr))
1325                  || (err = device_create_file(dev,
1326                                 &sensor_dev_attr_in5_max.dev_attr))
1327                  || (err = device_create_file(dev,
1328                                 &sensor_dev_attr_in5_alarm.dev_attr))
1329                  || (err = device_create_file(dev,
1330                                 &sensor_dev_attr_in5_beep.dev_attr))
1331                  || (err = device_create_file(dev,
1332                                 &sensor_dev_attr_in6_input.dev_attr))
1333                  || (err = device_create_file(dev,
1334                                 &sensor_dev_attr_in6_min.dev_attr))
1335                  || (err = device_create_file(dev,
1336                                 &sensor_dev_attr_in6_max.dev_attr))
1337                  || (err = device_create_file(dev,
1338                                 &sensor_dev_attr_in6_alarm.dev_attr))
1339                  || (err = device_create_file(dev,
1340                                 &sensor_dev_attr_in6_beep.dev_attr))
1341                  || (err = device_create_file(dev,
1342                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1343                  || (err = device_create_file(dev,
1344                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1345                         goto ERROR4;
1346
1347         if (data->type != w83697hf)
1348                 if ((err = device_create_file(dev,
1349                                 &sensor_dev_attr_in1_input.dev_attr))
1350                  || (err = device_create_file(dev,
1351                                 &sensor_dev_attr_in1_min.dev_attr))
1352                  || (err = device_create_file(dev,
1353                                 &sensor_dev_attr_in1_max.dev_attr))
1354                  || (err = device_create_file(dev,
1355                                 &sensor_dev_attr_in1_alarm.dev_attr))
1356                  || (err = device_create_file(dev,
1357                                 &sensor_dev_attr_in1_beep.dev_attr))
1358                  || (err = device_create_file(dev,
1359                                 &sensor_dev_attr_fan3_input.dev_attr))
1360                  || (err = device_create_file(dev,
1361                                 &sensor_dev_attr_fan3_min.dev_attr))
1362                  || (err = device_create_file(dev,
1363                                 &sensor_dev_attr_fan3_div.dev_attr))
1364                  || (err = device_create_file(dev,
1365                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1366                  || (err = device_create_file(dev,
1367                                 &sensor_dev_attr_fan3_beep.dev_attr))
1368                  || (err = device_create_file(dev,
1369                                 &sensor_dev_attr_temp3_input.dev_attr))
1370                  || (err = device_create_file(dev,
1371                                 &sensor_dev_attr_temp3_max.dev_attr))
1372                  || (err = device_create_file(dev,
1373                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1374                  || (err = device_create_file(dev,
1375                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1376                  || (err = device_create_file(dev,
1377                                 &sensor_dev_attr_temp3_beep.dev_attr))
1378                  || (err = device_create_file(dev,
1379                                 &sensor_dev_attr_temp3_type.dev_attr)))
1380                         goto ERROR4;
1381
1382         if (data->type != w83697hf && data->vid != 0xff) {
1383                 /* Convert VID to voltage based on VRM */
1384                 data->vrm = vid_which_vrm();
1385
1386                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1387                  || (err = device_create_file(dev, &dev_attr_vrm)))
1388                         goto ERROR4;
1389         }
1390
1391         if (data->type == w83627thf || data->type == w83637hf
1392          || data->type == w83687thf)
1393                 if ((err = device_create_file(dev,
1394                                 &sensor_dev_attr_pwm3.dev_attr)))
1395                         goto ERROR4;
1396
1397         if (data->type == w83637hf || data->type == w83687thf)
1398                 if ((err = device_create_file(dev,
1399                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1400                  || (err = device_create_file(dev,
1401                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1402                  || (err = device_create_file(dev,
1403                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1404                         goto ERROR4;
1405
1406         if (data->type != w83627hf)
1407                 if ((err = device_create_file(dev,
1408                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1409                  || (err = device_create_file(dev,
1410                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1411                         goto ERROR4;
1412
1413         if (data->type == w83627thf || data->type == w83637hf
1414          || data->type == w83687thf)
1415                 if ((err = device_create_file(dev,
1416                                 &sensor_dev_attr_pwm3_enable.dev_attr)))
1417                         goto ERROR4;
1418
1419         data->hwmon_dev = hwmon_device_register(dev);
1420         if (IS_ERR(data->hwmon_dev)) {
1421                 err = PTR_ERR(data->hwmon_dev);
1422                 goto ERROR4;
1423         }
1424
1425         return 0;
1426
1427       ERROR4:
1428         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1429         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1430       ERROR3:
1431         platform_set_drvdata(pdev, NULL);
1432         kfree(data);
1433       ERROR1:
1434         release_region(res->start, WINB_REGION_SIZE);
1435       ERROR0:
1436         return err;
1437 }
1438
1439 static int __devexit w83627hf_remove(struct platform_device *pdev)
1440 {
1441         struct w83627hf_data *data = platform_get_drvdata(pdev);
1442         struct resource *res;
1443
1444         hwmon_device_unregister(data->hwmon_dev);
1445
1446         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1447         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1448         platform_set_drvdata(pdev, NULL);
1449         kfree(data);
1450
1451         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1452         release_region(res->start, WINB_REGION_SIZE);
1453
1454         return 0;
1455 }
1456
1457
1458 /* Registers 0x50-0x5f are banked */
1459 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1460 {
1461         if ((reg & 0x00f0) == 0x50) {
1462                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1463                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1464         }
1465 }
1466
1467 /* Not strictly necessary, but play it safe for now */
1468 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1469 {
1470         if (reg & 0xff00) {
1471                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1472                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1473         }
1474 }
1475
1476 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1477 {
1478         int res, word_sized;
1479
1480         mutex_lock(&data->lock);
1481         word_sized = (((reg & 0xff00) == 0x100)
1482                    || ((reg & 0xff00) == 0x200))
1483                   && (((reg & 0x00ff) == 0x50)
1484                    || ((reg & 0x00ff) == 0x53)
1485                    || ((reg & 0x00ff) == 0x55));
1486         w83627hf_set_bank(data, reg);
1487         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1488         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1489         if (word_sized) {
1490                 outb_p((reg & 0xff) + 1,
1491                        data->addr + W83781D_ADDR_REG_OFFSET);
1492                 res =
1493                     (res << 8) + inb_p(data->addr +
1494                                        W83781D_DATA_REG_OFFSET);
1495         }
1496         w83627hf_reset_bank(data, reg);
1497         mutex_unlock(&data->lock);
1498         return res;
1499 }
1500
1501 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
1502 {
1503         int res = 0xff, sel;
1504
1505         superio_enter();
1506         superio_select(W83627HF_LD_GPIO5);
1507
1508         /* Make sure these GPIO pins are enabled */
1509         if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1510                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1511                 goto exit;
1512         }
1513
1514         /* Make sure the pins are configured for input
1515            There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1516         sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f;
1517         if ((sel & 0x1f) != 0x1f) {
1518                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1519                         "function\n");
1520                 goto exit;
1521         }
1522
1523         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1524         res = superio_inb(W83627THF_GPIO5_DR) & sel;
1525
1526 exit:
1527         superio_exit();
1528         return res;
1529 }
1530
1531 static int __devinit w83687thf_read_vid(struct platform_device *pdev)
1532 {
1533         int res = 0xff;
1534
1535         superio_enter();
1536         superio_select(W83627HF_LD_HWM);
1537
1538         /* Make sure these GPIO pins are enabled */
1539         if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
1540                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1541                 goto exit;
1542         }
1543
1544         /* Make sure the pins are configured for input */
1545         if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
1546                 dev_dbg(&pdev->dev, "VID configured as output, "
1547                         "no VID function\n");
1548                 goto exit;
1549         }
1550
1551         res = superio_inb(W83687THF_VID_DATA) & 0x3f;
1552
1553 exit:
1554         superio_exit();
1555         return res;
1556 }
1557
1558 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1559 {
1560         int word_sized;
1561
1562         mutex_lock(&data->lock);
1563         word_sized = (((reg & 0xff00) == 0x100)
1564                    || ((reg & 0xff00) == 0x200))
1565                   && (((reg & 0x00ff) == 0x53)
1566                    || ((reg & 0x00ff) == 0x55));
1567         w83627hf_set_bank(data, reg);
1568         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1569         if (word_sized) {
1570                 outb_p(value >> 8,
1571                        data->addr + W83781D_DATA_REG_OFFSET);
1572                 outb_p((reg & 0xff) + 1,
1573                        data->addr + W83781D_ADDR_REG_OFFSET);
1574         }
1575         outb_p(value & 0xff,
1576                data->addr + W83781D_DATA_REG_OFFSET);
1577         w83627hf_reset_bank(data, reg);
1578         mutex_unlock(&data->lock);
1579         return 0;
1580 }
1581
1582 static void __devinit w83627hf_init_device(struct platform_device *pdev)
1583 {
1584         struct w83627hf_data *data = platform_get_drvdata(pdev);
1585         int i;
1586         enum chips type = data->type;
1587         u8 tmp;
1588
1589         /* Minimize conflicts with other winbond i2c-only clients...  */
1590         /* disable i2c subclients... how to disable main i2c client?? */
1591         /* force i2c address to relatively uncommon address */
1592         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1593         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1594
1595         /* Read VID only once */
1596         if (type == w83627hf || type == w83637hf) {
1597                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1598                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1599                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1600         } else if (type == w83627thf) {
1601                 data->vid = w83627thf_read_gpio5(pdev);
1602         } else if (type == w83687thf) {
1603                 data->vid = w83687thf_read_vid(pdev);
1604         }
1605
1606         /* Read VRM & OVT Config only once */
1607         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1608                 data->vrm_ovt =
1609                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1610         }
1611
1612         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1613         for (i = 1; i <= 3; i++) {
1614                 if (!(tmp & BIT_SCFG1[i - 1])) {
1615                         data->sens[i - 1] = 4;
1616                 } else {
1617                         if (w83627hf_read_value
1618                             (data,
1619                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1620                                 data->sens[i - 1] = 1;
1621                         else
1622                                 data->sens[i - 1] = 2;
1623                 }
1624                 if ((type == w83697hf) && (i == 2))
1625                         break;
1626         }
1627
1628         if(init) {
1629                 /* Enable temp2 */
1630                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1631                 if (tmp & 0x01) {
1632                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1633                                  "might not make sense\n");
1634                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1635                                 tmp & 0xfe);
1636                 }
1637
1638                 /* Enable temp3 */
1639                 if (type != w83697hf) {
1640                         tmp = w83627hf_read_value(data,
1641                                 W83627HF_REG_TEMP3_CONFIG);
1642                         if (tmp & 0x01) {
1643                                 dev_warn(&pdev->dev, "Enabling temp3, "
1644                                          "readings might not make sense\n");
1645                                 w83627hf_write_value(data,
1646                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1647                         }
1648                 }
1649         }
1650
1651         /* Start monitoring */
1652         w83627hf_write_value(data, W83781D_REG_CONFIG,
1653                             (w83627hf_read_value(data,
1654                                                 W83781D_REG_CONFIG) & 0xf7)
1655                             | 0x01);
1656
1657         /* Enable VBAT monitoring if needed */
1658         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1659         if (!(tmp & 0x01))
1660                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1661 }
1662
1663 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1664 {
1665         int reg;
1666
1667         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1668         data->fan_div[0] = (reg >> 4) & 0x03;
1669         data->fan_div[1] = (reg >> 6) & 0x03;
1670         if (data->type != w83697hf) {
1671                 data->fan_div[2] = (w83627hf_read_value(data,
1672                                        W83781D_REG_PIN) >> 6) & 0x03;
1673         }
1674         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1675         data->fan_div[0] |= (reg >> 3) & 0x04;
1676         data->fan_div[1] |= (reg >> 4) & 0x04;
1677         if (data->type != w83697hf)
1678                 data->fan_div[2] |= (reg >> 5) & 0x04;
1679 }
1680
1681 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1682 {
1683         struct w83627hf_data *data = dev_get_drvdata(dev);
1684         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1685         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1686
1687         mutex_lock(&data->update_lock);
1688
1689         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1690             || !data->valid) {
1691                 for (i = 0; i <= 8; i++) {
1692                         /* skip missing sensors */
1693                         if (((data->type == w83697hf) && (i == 1)) ||
1694                             ((data->type != w83627hf && data->type != w83697hf)
1695                             && (i == 5 || i == 6)))
1696                                 continue;
1697                         data->in[i] =
1698                             w83627hf_read_value(data, W83781D_REG_IN(i));
1699                         data->in_min[i] =
1700                             w83627hf_read_value(data,
1701                                                W83781D_REG_IN_MIN(i));
1702                         data->in_max[i] =
1703                             w83627hf_read_value(data,
1704                                                W83781D_REG_IN_MAX(i));
1705                 }
1706                 for (i = 0; i <= 2; i++) {
1707                         data->fan[i] =
1708                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1709                         data->fan_min[i] =
1710                             w83627hf_read_value(data,
1711                                                W83627HF_REG_FAN_MIN(i));
1712                 }
1713                 for (i = 0; i <= 2; i++) {
1714                         u8 tmp = w83627hf_read_value(data,
1715                                 W836X7HF_REG_PWM(data->type, i));
1716                         /* bits 0-3 are reserved  in 627THF */
1717                         if (data->type == w83627thf)
1718                                 tmp &= 0xf0;
1719                         data->pwm[i] = tmp;
1720                         if (i == 1 &&
1721                             (data->type == w83627hf || data->type == w83697hf))
1722                                 break;
1723                 }
1724                 if (data->type == w83627hf) {
1725                                 u8 tmp = w83627hf_read_value(data,
1726                                                 W83627HF_REG_PWM_FREQ);
1727                                 data->pwm_freq[0] = tmp & 0x07;
1728                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1729                 } else if (data->type != w83627thf) {
1730                         for (i = 1; i <= 3; i++) {
1731                                 data->pwm_freq[i - 1] =
1732                                         w83627hf_read_value(data,
1733                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1734                                 if (i == 2 && (data->type == w83697hf))
1735                                         break;
1736                         }
1737                 }
1738                 if (data->type != w83627hf) {
1739                         for (i = 0; i < num_pwms; i++) {
1740                                 u8 tmp = w83627hf_read_value(data,
1741                                         W83627THF_REG_PWM_ENABLE[i]);
1742                                 data->pwm_enable[i] =
1743                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1744                                         & 0x03) + 1;
1745                         }
1746                 }
1747                 for (i = 0; i < num_temps; i++) {
1748                         data->temp[i] = w83627hf_read_value(
1749                                                 data, w83627hf_reg_temp[i]);
1750                         data->temp_max[i] = w83627hf_read_value(
1751                                                 data, w83627hf_reg_temp_over[i]);
1752                         data->temp_max_hyst[i] = w83627hf_read_value(
1753                                                 data, w83627hf_reg_temp_hyst[i]);
1754                 }
1755
1756                 w83627hf_update_fan_div(data);
1757
1758                 data->alarms =
1759                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1760                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1761                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1762                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1763                 data->beep_mask = (i << 8) |
1764                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1765                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1766                 data->last_updated = jiffies;
1767                 data->valid = 1;
1768         }
1769
1770         mutex_unlock(&data->update_lock);
1771
1772         return data;
1773 }
1774
1775 static int __init w83627hf_device_add(unsigned short address,
1776                                       const struct w83627hf_sio_data *sio_data)
1777 {
1778         struct resource res = {
1779                 .start  = address + WINB_REGION_OFFSET,
1780                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1781                 .name   = DRVNAME,
1782                 .flags  = IORESOURCE_IO,
1783         };
1784         int err;
1785
1786         err = acpi_check_resource_conflict(&res);
1787         if (err)
1788                 goto exit;
1789
1790         pdev = platform_device_alloc(DRVNAME, address);
1791         if (!pdev) {
1792                 err = -ENOMEM;
1793                 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1794                 goto exit;
1795         }
1796
1797         err = platform_device_add_resources(pdev, &res, 1);
1798         if (err) {
1799                 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1800                        "(%d)\n", err);
1801                 goto exit_device_put;
1802         }
1803
1804         err = platform_device_add_data(pdev, sio_data,
1805                                        sizeof(struct w83627hf_sio_data));
1806         if (err) {
1807                 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1808                 goto exit_device_put;
1809         }
1810
1811         err = platform_device_add(pdev);
1812         if (err) {
1813                 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1814                        err);
1815                 goto exit_device_put;
1816         }
1817
1818         return 0;
1819
1820 exit_device_put:
1821         platform_device_put(pdev);
1822 exit:
1823         return err;
1824 }
1825
1826 static int __init sensors_w83627hf_init(void)
1827 {
1828         int err;
1829         unsigned short address;
1830         struct w83627hf_sio_data sio_data;
1831
1832         if (w83627hf_find(0x2e, &address, &sio_data)
1833          && w83627hf_find(0x4e, &address, &sio_data))
1834                 return -ENODEV;
1835
1836         err = platform_driver_register(&w83627hf_driver);
1837         if (err)
1838                 goto exit;
1839
1840         /* Sets global pdev as a side effect */
1841         err = w83627hf_device_add(address, &sio_data);
1842         if (err)
1843                 goto exit_driver;
1844
1845         return 0;
1846
1847 exit_driver:
1848         platform_driver_unregister(&w83627hf_driver);
1849 exit:
1850         return err;
1851 }
1852
1853 static void __exit sensors_w83627hf_exit(void)
1854 {
1855         platform_device_unregister(pdev);
1856         platform_driver_unregister(&w83627hf_driver);
1857 }
1858
1859 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1860               "Philip Edelbrock <phil@netroedge.com>, "
1861               "and Mark Studebaker <mdsxyz123@yahoo.com>");
1862 MODULE_DESCRIPTION("W83627HF driver");
1863 MODULE_LICENSE("GPL");
1864
1865 module_init(sensors_w83627hf_init);
1866 module_exit(sensors_w83627hf_exit);