drivers/hwmon/w83627hf.c

   1 /*
   2  * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
   3  *              monitoring
   4  * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
   5  *                            Philip Edelbrock <phil@netroedge.com>,
   6  *                            and Mark Studebaker <mdsxyz123@yahoo.com>
   7  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
   8  * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /*
  26  * Supports following chips:
  27  *
  28  * Chip         #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  29  * w83627hf     9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  30  * w83627thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  31  * w83637hf     7       3       3       3       0x80    0x5ca3  no      yes(LPC)
  32  * w83687thf    7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  33  * w83697hf     8       2       2       2       0x60    0x5ca3  no      yes(LPC)
  34  *
  35  * For other winbond chips, and for i2c support in the above chips,
  36  * use w83781d.c.
  37  *
  38  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  39  * supported yet.
  40  */
  41
  42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  43
  44 #include <linux/module.h>
  45 #include <linux/init.h>
  46 #include <linux/slab.h>
  47 #include <linux/jiffies.h>
  48 #include <linux/platform_device.h>
  49 #include <linux/hwmon.h>
  50 #include <linux/hwmon-sysfs.h>
  51 #include <linux/hwmon-vid.h>
  52 #include <linux/err.h>
  53 #include <linux/mutex.h>
  54 #include <linux/ioport.h>
  55 #include <linux/acpi.h>
  56 #include <linux/io.h>
  57 #include "lm75.h"
  58
  59 static struct platform_device *pdev;
  60
  61 #define DRVNAME "w83627hf"
  62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
  63
  64 struct w83627hf_sio_data {
  65         enum chips type;
  66         int sioaddr;
  67 };
  68
  69 static u8 force_i2c = 0x1f;
  70 module_param(force_i2c, byte, 0);
  71 MODULE_PARM_DESC(force_i2c,
  72                  "Initialize the i2c address of the sensors");
  73
  74 static bool init = 1;
  75 module_param(init, bool, 0);
  76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
  77
  78 static unsigned short force_id;
  79 module_param(force_id, ushort, 0);
  80 MODULE_PARM_DESC(force_id, "Override the detected device ID");
  81
  82 /* modified from kernel/include/traps.c */
  83 #define DEV                     0x07 /* Register: Logical device select */
  84
  85 /* logical device numbers for superio_select (below) */
  86 #define W83627HF_LD_FDC         0x00
  87 #define W83627HF_LD_PRT         0x01
  88 #define W83627HF_LD_UART1       0x02
  89 #define W83627HF_LD_UART2       0x03
  90 #define W83627HF_LD_KBC         0x05
  91 #define W83627HF_LD_CIR         0x06 /* w83627hf only */
  92 #define W83627HF_LD_GAME        0x07
  93 #define W83627HF_LD_MIDI        0x07
  94 #define W83627HF_LD_GPIO1       0x07
  95 #define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
  96 #define W83627HF_LD_GPIO2       0x08
  97 #define W83627HF_LD_GPIO3       0x09
  98 #define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
  99 #define W83627HF_LD_ACPI        0x0a
 100 #define W83627HF_LD_HWM         0x0b
 101
 102 #define DEVID                   0x20 /* Register: Device ID */
 103
 104 #define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
 105 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 106 #define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
 107
 108 #define W83687THF_VID_EN        0x29 /* w83687thf only */
 109 #define W83687THF_VID_CFG       0xF0 /* w83687thf only */
 110 #define W83687THF_VID_DATA      0xF1 /* w83687thf only */
 111
 112 static inline void
 113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 114 {
 115         outb(reg, sio->sioaddr);
 116         outb(val, sio->sioaddr + 1);
 117 }
 118
 119 static inline int
 120 superio_inb(struct w83627hf_sio_data *sio, int reg)
 121 {
 122         outb(reg, sio->sioaddr);
 123         return inb(sio->sioaddr + 1);
 124 }
 125
 126 static inline void
 127 superio_select(struct w83627hf_sio_data *sio, int ld)
 128 {
 129         outb(DEV, sio->sioaddr);
 130         outb(ld,  sio->sioaddr + 1);
 131 }
 132
 133 static inline int
 134 superio_enter(struct w83627hf_sio_data *sio)
 135 {
 136         if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
 137                 return -EBUSY;
 138
 139         outb(0x87, sio->sioaddr);
 140         outb(0x87, sio->sioaddr);
 141
 142         return 0;
 143 }
 144
 145 static inline void
 146 superio_exit(struct w83627hf_sio_data *sio)
 147 {
 148         outb(0xAA, sio->sioaddr);
 149         release_region(sio->sioaddr, 2);
 150 }
 151
 152 #define W627_DEVID 0x52
 153 #define W627THF_DEVID 0x82
 154 #define W697_DEVID 0x60
 155 #define W637_DEVID 0x70
 156 #define W687THF_DEVID 0x85
 157 #define WINB_ACT_REG 0x30
 158 #define WINB_BASE_REG 0x60
 159 /* Constants specified below */
 160
 161 /* Alignment of the base address */
 162 #define WINB_ALIGNMENT          ~7
 163
 164 /* Offset & size of I/O region we are interested in */
 165 #define WINB_REGION_OFFSET      5
 166 #define WINB_REGION_SIZE        2
 167
 168 /* Where are the sensors address/data registers relative to the region offset */
 169 #define W83781D_ADDR_REG_OFFSET 0
 170 #define W83781D_DATA_REG_OFFSET 1
 171
 172 /* The W83781D registers */
 173 /* The W83782D registers for nr=7,8 are in bank 5 */
 174 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
 175                                            (0x554 + (((nr) - 7) * 2)))
 176 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
 177                                            (0x555 + (((nr) - 7) * 2)))
 178 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
 179                                            (0x550 + (nr) - 7))
 180
 181 /* nr:0-2 for fans:1-3 */
 182 #define W83627HF_REG_FAN_MIN(nr)        (0x3b + (nr))
 183 #define W83627HF_REG_FAN(nr)            (0x28 + (nr))
 184
 185 #define W83627HF_REG_TEMP2_CONFIG 0x152
 186 #define W83627HF_REG_TEMP3_CONFIG 0x252
 187 /* these are zero-based, unlike config constants above */
 188 static const u16 w83627hf_reg_temp[]            = { 0x27, 0x150, 0x250 };
 189 static const u16 w83627hf_reg_temp_hyst[]       = { 0x3A, 0x153, 0x253 };
 190 static const u16 w83627hf_reg_temp_over[]       = { 0x39, 0x155, 0x255 };
 191
 192 #define W83781D_REG_BANK 0x4E
 193
 194 #define W83781D_REG_CONFIG 0x40
 195 #define W83781D_REG_ALARM1 0x459
 196 #define W83781D_REG_ALARM2 0x45A
 197 #define W83781D_REG_ALARM3 0x45B
 198
 199 #define W83781D_REG_BEEP_CONFIG 0x4D
 200 #define W83781D_REG_BEEP_INTS1 0x56
 201 #define W83781D_REG_BEEP_INTS2 0x57
 202 #define W83781D_REG_BEEP_INTS3 0x453
 203
 204 #define W83781D_REG_VID_FANDIV 0x47
 205
 206 #define W83781D_REG_CHIPID 0x49
 207 #define W83781D_REG_WCHIPID 0x58
 208 #define W83781D_REG_CHIPMAN 0x4F
 209 #define W83781D_REG_PIN 0x4B
 210
 211 #define W83781D_REG_VBAT 0x5D
 212
 213 #define W83627HF_REG_PWM1 0x5A
 214 #define W83627HF_REG_PWM2 0x5B
 215
 216 static const u8 W83627THF_REG_PWM_ENABLE[] = {
 217         0x04,           /* FAN 1 mode */
 218         0x04,           /* FAN 2 mode */
 219         0x12,           /* FAN AUX mode */
 220 };
 221 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 222
 223 #define W83627THF_REG_PWM1              0x01    /* 697HF/637HF/687THF too */
 224 #define W83627THF_REG_PWM2              0x03    /* 697HF/637HF/687THF too */
 225 #define W83627THF_REG_PWM3              0x11    /* 637HF/687THF too */
 226
 227 #define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF/687THF too */
 228
 229 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 230 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
 231                              W83627THF_REG_PWM3 };
 232 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
 233                                     regpwm_627hf[nr] : regpwm[nr])
 234
 235 #define W83627HF_REG_PWM_FREQ           0x5C    /* Only for the 627HF */
 236
 237 #define W83637HF_REG_PWM_FREQ1          0x00    /* 697HF/687THF too */
 238 #define W83637HF_REG_PWM_FREQ2          0x02    /* 697HF/687THF too */
 239 #define W83637HF_REG_PWM_FREQ3          0x10    /* 687THF too */
 240
 241 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
 242                                         W83637HF_REG_PWM_FREQ2,
 243                                         W83637HF_REG_PWM_FREQ3 };
 244
 245 #define W83627HF_BASE_PWM_FREQ  46870
 246
 247 #define W83781D_REG_I2C_ADDR 0x48
 248 #define W83781D_REG_I2C_SUBADDR 0x4A
 249
 250 /* Sensor selection */
 251 #define W83781D_REG_SCFG1 0x5D
 252 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 253 #define W83781D_REG_SCFG2 0x59
 254 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 255 #define W83781D_DEFAULT_BETA 3435
 256
 257 /*
 258  * Conversions. Limit checking is only done on the TO_REG
 259  * variants. Note that you should be a bit careful with which arguments
 260  * these macros are called: arguments may be evaluated more than once.
 261  * Fixing this is just not worth it.
 262  */
 263 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 264 #define IN_FROM_REG(val) ((val) * 16)
 265
 266 static inline u8 FAN_TO_REG(long rpm, int div)
 267 {
 268         if (rpm == 0)
 269                 return 255;
 270         rpm = clamp_val(rpm, 1, 1000000);
 271         return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 272 }
 273
 274 #define TEMP_MIN (-128000)
 275 #define TEMP_MAX ( 127000)
 276
 277 /*
 278  * TEMP: 0.001C/bit (-128C to +127C)
 279  * REG: 1C/bit, two's complement
 280  */
 281 static u8 TEMP_TO_REG(long temp)
 282 {
 283         int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
 284         ntemp += (ntemp < 0 ? -500 : 500);
 285         return (u8)(ntemp / 1000);
 286 }
 287
 288 static int TEMP_FROM_REG(u8 reg)
 289 {
 290         return (s8)reg * 1000;
 291 }
 292
 293 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 294
 295 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 296
 297 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 298 {
 299         unsigned long freq;
 300         freq = W83627HF_BASE_PWM_FREQ >> reg;
 301         return freq;
 302 }
 303 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 304 {
 305         u8 i;
 306         /*
 307          * Only 5 dividers (1 2 4 8 16)
 308          * Search for the nearest available frequency
 309          */
 310         for (i = 0; i < 4; i++) {
 311                 if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 312                             (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
 313                         break;
 314         }
 315         return i;
 316 }
 317
 318 static inline unsigned long pwm_freq_from_reg(u8 reg)
 319 {
 320         /* Clock bit 8 -> 180 kHz or 24 MHz */
 321         unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 322
 323         reg &= 0x7f;
 324         /* This should not happen but anyway... */
 325         if (reg == 0)
 326                 reg++;
 327         return clock / (reg << 8);
 328 }
 329 static inline u8 pwm_freq_to_reg(unsigned long val)
 330 {
 331         /* Minimum divider value is 0x01 and maximum is 0x7F */
 332         if (val >= 93750)       /* The highest we can do */
 333                 return 0x01;
 334         if (val >= 720) /* Use 24 MHz clock */
 335                 return 24000000UL / (val << 8);
 336         if (val < 6)            /* The lowest we can do */
 337                 return 0xFF;
 338         else                    /* Use 180 kHz clock */
 339                 return 0x80 | (180000UL / (val << 8));
 340 }
 341
 342 #define BEEP_MASK_FROM_REG(val)         ((val) & 0xff7fff)
 343 #define BEEP_MASK_TO_REG(val)           ((val) & 0xff7fff)
 344
 345 #define DIV_FROM_REG(val) (1 << (val))
 346
 347 static inline u8 DIV_TO_REG(long val)
 348 {
 349         int i;
 350         val = clamp_val(val, 1, 128) >> 1;
 351         for (i = 0; i < 7; i++) {
 352                 if (val == 0)
 353                         break;
 354                 val >>= 1;
 355         }
 356         return (u8)i;
 357 }
 358
 359 /*
 360  * For each registered chip, we need to keep some data in memory.
 361  * The structure is dynamically allocated.
 362  */
 363 struct w83627hf_data {
 364         unsigned short addr;
 365         const char *name;
 366         struct device *hwmon_dev;
 367         struct mutex lock;
 368         enum chips type;
 369
 370         struct mutex update_lock;
 371         char valid;             /* !=0 if following fields are valid */
 372         unsigned long last_updated;     /* In jiffies */
 373
 374         u8 in[9];               /* Register value */
 375         u8 in_max[9];           /* Register value */
 376         u8 in_min[9];           /* Register value */
 377         u8 fan[3];              /* Register value */
 378         u8 fan_min[3];          /* Register value */
 379         u16 temp[3];            /* Register value */
 380         u16 temp_max[3];        /* Register value */
 381         u16 temp_max_hyst[3];   /* Register value */
 382         u8 fan_div[3];          /* Register encoding, shifted right */
 383         u8 vid;                 /* Register encoding, combined */
 384         u32 alarms;             /* Register encoding, combined */
 385         u32 beep_mask;          /* Register encoding, combined */
 386         u8 pwm[3];              /* Register value */
 387         u8 pwm_enable[3];       /* 1 = manual
 388                                  * 2 = thermal cruise (also called SmartFan I)
 389                                  * 3 = fan speed cruise
 390                                  */
 391         u8 pwm_freq[3];         /* Register value */
 392         u16 sens[3];            /* 1 = pentium diode; 2 = 3904 diode;
 393                                  * 4 = thermistor
 394                                  */
 395         u8 vrm;
 396         u8 vrm_ovt;             /* Register value, 627THF/637HF/687THF only */
 397
 398 #ifdef CONFIG_PM
 399         /* Remember extra register values over suspend/resume */
 400         u8 scfg1;
 401         u8 scfg2;
 402 #endif
 403 };
 404
 405
 406 static int w83627hf_probe(struct platform_device *pdev);
 407 static int w83627hf_remove(struct platform_device *pdev);
 408
 409 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 410 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 411 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 412 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 413 static void w83627hf_init_device(struct platform_device *pdev);
 414
 415 #ifdef CONFIG_PM
 416 static int w83627hf_suspend(struct device *dev)
 417 {
 418         struct w83627hf_data *data = w83627hf_update_device(dev);
 419
 420         mutex_lock(&data->update_lock);
 421         data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
 422         data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
 423         mutex_unlock(&data->update_lock);
 424
 425         return 0;
 426 }
 427
 428 static int w83627hf_resume(struct device *dev)
 429 {
 430         struct w83627hf_data *data = dev_get_drvdata(dev);
 431         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 432
 433         /* Restore limits */
 434         mutex_lock(&data->update_lock);
 435         for (i = 0; i <= 8; i++) {
 436                 /* skip missing sensors */
 437                 if (((data->type == w83697hf) && (i == 1)) ||
 438                     ((data->type != w83627hf && data->type != w83697hf)
 439                     && (i == 5 || i == 6)))
 440                         continue;
 441                 w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
 442                                      data->in_max[i]);
 443                 w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
 444                                      data->in_min[i]);
 445         }
 446         for (i = 0; i <= 2; i++)
 447                 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
 448                                      data->fan_min[i]);
 449         for (i = 0; i < num_temps; i++) {
 450                 w83627hf_write_value(data, w83627hf_reg_temp_over[i],
 451                                      data->temp_max[i]);
 452                 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
 453                                      data->temp_max_hyst[i]);
 454         }
 455
 456         /* Fixup BIOS bugs */
 457         if (data->type == w83627thf || data->type == w83637hf ||
 458             data->type == w83687thf)
 459                 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
 460                                      data->vrm_ovt);
 461         w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
 462         w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 463
 464         /* Force re-reading all values */
 465         data->valid = 0;
 466         mutex_unlock(&data->update_lock);
 467
 468         return 0;
 469 }
 470
 471 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
 472         .suspend = w83627hf_suspend,
 473         .resume = w83627hf_resume,
 474 };
 475
 476 #define W83627HF_DEV_PM_OPS     (&w83627hf_dev_pm_ops)
 477 #else
 478 #define W83627HF_DEV_PM_OPS     NULL
 479 #endif /* CONFIG_PM */
 480
 481 static struct platform_driver w83627hf_driver = {
 482         .driver = {
 483                 .name   = DRVNAME,
 484                 .pm     = W83627HF_DEV_PM_OPS,
 485         },
 486         .probe          = w83627hf_probe,
 487         .remove         = w83627hf_remove,
 488 };
 489
 490 static ssize_t
 491 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
 492 {
 493         int nr = to_sensor_dev_attr(devattr)->index;
 494         struct w83627hf_data *data = w83627hf_update_device(dev);
 495         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 496 }
 497 static ssize_t
 498 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
 499 {
 500         int nr = to_sensor_dev_attr(devattr)->index;
 501         struct w83627hf_data *data = w83627hf_update_device(dev);
 502         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 503 }
 504 static ssize_t
 505 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
 506 {
 507         int nr = to_sensor_dev_attr(devattr)->index;
 508         struct w83627hf_data *data = w83627hf_update_device(dev);
 509         return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 510 }
 511 static ssize_t
 512 store_in_min(struct device *dev, struct device_attribute *devattr,
 513              const char *buf, size_t count)
 514 {
 515         int nr = to_sensor_dev_attr(devattr)->index;
 516         struct w83627hf_data *data = dev_get_drvdata(dev);
 517         long val;
 518         int err;
 519
 520         err = kstrtol(buf, 10, &val);
 521         if (err)
 522                 return err;
 523
 524         mutex_lock(&data->update_lock);
 525         data->in_min[nr] = IN_TO_REG(val);
 526         w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
 527         mutex_unlock(&data->update_lock);
 528         return count;
 529 }
 530 static ssize_t
 531 store_in_max(struct device *dev, struct device_attribute *devattr,
 532              const char *buf, size_t count)
 533 {
 534         int nr = to_sensor_dev_attr(devattr)->index;
 535         struct w83627hf_data *data = dev_get_drvdata(dev);
 536         long val;
 537         int err;
 538
 539         err = kstrtol(buf, 10, &val);
 540         if (err)
 541                 return err;
 542
 543         mutex_lock(&data->update_lock);
 544         data->in_max[nr] = IN_TO_REG(val);
 545         w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
 546         mutex_unlock(&data->update_lock);
 547         return count;
 548 }
 549 #define sysfs_vin_decl(offset) \
 550 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,          \
 551                           show_in_input, NULL, offset);         \
 552 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR,    \
 553                           show_in_min, store_in_min, offset);   \
 554 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR,    \
 555                           show_in_max, store_in_max, offset);
 556
 557 sysfs_vin_decl(1);
 558 sysfs_vin_decl(2);
 559 sysfs_vin_decl(3);
 560 sysfs_vin_decl(4);
 561 sysfs_vin_decl(5);
 562 sysfs_vin_decl(6);
 563 sysfs_vin_decl(7);
 564 sysfs_vin_decl(8);
 565
 566 /* use a different set of functions for in0 */
 567 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 568 {
 569         long in0;
 570
 571         if ((data->vrm_ovt & 0x01) &&
 572                 (w83627thf == data->type || w83637hf == data->type
 573                  || w83687thf == data->type))
 574
 575                 /* use VRM9 calculation */
 576                 in0 = (long)((reg * 488 + 70000 + 50) / 100);
 577         else
 578                 /* use VRM8 (standard) calculation */
 579                 in0 = (long)IN_FROM_REG(reg);
 580
 581         return sprintf(buf,"%ld\n", in0);
 582 }
 583
 584 static ssize_t in0_input_show(struct device *dev,
 585                               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[0]);
 589 }
 590
 591 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
 592                             char *buf)
 593 {
 594         struct w83627hf_data *data = w83627hf_update_device(dev);
 595         return show_in_0(data, buf, data->in_min[0]);
 596 }
 597
 598 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
 599                             char *buf)
 600 {
 601         struct w83627hf_data *data = w83627hf_update_device(dev);
 602         return show_in_0(data, buf, data->in_max[0]);
 603 }
 604
 605 static ssize_t in0_min_store(struct device *dev,
 606                              struct device_attribute *attr, const char *buf,
 607                              size_t count)
 608 {
 609         struct w83627hf_data *data = dev_get_drvdata(dev);
 610         unsigned long val;
 611         int err;
 612
 613         err = kstrtoul(buf, 10, &val);
 614         if (err)
 615                 return err;
 616
 617         mutex_lock(&data->update_lock);
 618
 619         if ((data->vrm_ovt & 0x01) &&
 620                 (w83627thf == data->type || w83637hf == data->type
 621                  || w83687thf == data->type))
 622
 623                 /* use VRM9 calculation */
 624                 data->in_min[0] =
 625                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 626         else
 627                 /* use VRM8 (standard) calculation */
 628                 data->in_min[0] = IN_TO_REG(val);
 629
 630         w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
 631         mutex_unlock(&data->update_lock);
 632         return count;
 633 }
 634
 635 static ssize_t in0_max_store(struct device *dev,
 636                              struct device_attribute *attr, const char *buf,
 637                              size_t count)
 638 {
 639         struct w83627hf_data *data = dev_get_drvdata(dev);
 640         unsigned long val;
 641         int err;
 642
 643         err = kstrtoul(buf, 10, &val);
 644         if (err)
 645                 return err;
 646
 647         mutex_lock(&data->update_lock);
 648
 649         if ((data->vrm_ovt & 0x01) &&
 650                 (w83627thf == data->type || w83637hf == data->type
 651                  || w83687thf == data->type))
 652
 653                 /* use VRM9 calculation */
 654                 data->in_max[0] =
 655                         clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
 656         else
 657                 /* use VRM8 (standard) calculation */
 658                 data->in_max[0] = IN_TO_REG(val);
 659
 660         w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
 661         mutex_unlock(&data->update_lock);
 662         return count;
 663 }
 664
 665 static DEVICE_ATTR_RO(in0_input);
 666 static DEVICE_ATTR_RW(in0_min);
 667 static DEVICE_ATTR_RW(in0_max);
 668
 669 static ssize_t
 670 show_fan_input(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[nr],
 675                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 676 }
 677 static ssize_t
 678 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
 679 {
 680         int nr = to_sensor_dev_attr(devattr)->index;
 681         struct w83627hf_data *data = w83627hf_update_device(dev);
 682         return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
 683                                 (long)DIV_FROM_REG(data->fan_div[nr])));
 684 }
 685 static ssize_t
 686 store_fan_min(struct device *dev, struct device_attribute *devattr,
 687               const char *buf, size_t count)
 688 {
 689         int nr = to_sensor_dev_attr(devattr)->index;
 690         struct w83627hf_data *data = dev_get_drvdata(dev);
 691         unsigned long val;
 692         int err;
 693
 694         err = kstrtoul(buf, 10, &val);
 695         if (err)
 696                 return err;
 697
 698         mutex_lock(&data->update_lock);
 699         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 700         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
 701                              data->fan_min[nr]);
 702
 703         mutex_unlock(&data->update_lock);
 704         return count;
 705 }
 706 #define sysfs_fan_decl(offset)  \
 707 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,                 \
 708                           show_fan_input, NULL, offset - 1);            \
 709 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,         \
 710                           show_fan_min, store_fan_min, offset - 1);
 711
 712 sysfs_fan_decl(1);
 713 sysfs_fan_decl(2);
 714 sysfs_fan_decl(3);
 715
 716 static ssize_t
 717 show_temp(struct device *dev, struct device_attribute *devattr, char *buf)
 718 {
 719         int nr = to_sensor_dev_attr(devattr)->index;
 720         struct w83627hf_data *data = w83627hf_update_device(dev);
 721
 722         u16 tmp = data->temp[nr];
 723         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 724                                           : (long) TEMP_FROM_REG(tmp));
 725 }
 726
 727 static ssize_t
 728 show_temp_max(struct device *dev, struct device_attribute *devattr,
 729               char *buf)
 730 {
 731         int nr = to_sensor_dev_attr(devattr)->index;
 732         struct w83627hf_data *data = w83627hf_update_device(dev);
 733
 734         u16 tmp = data->temp_max[nr];
 735         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 736                                           : (long) TEMP_FROM_REG(tmp));
 737 }
 738
 739 static ssize_t
 740 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 741                    char *buf)
 742 {
 743         int nr = to_sensor_dev_attr(devattr)->index;
 744         struct w83627hf_data *data = w83627hf_update_device(dev);
 745
 746         u16 tmp = data->temp_max_hyst[nr];
 747         return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
 748                                           : (long) TEMP_FROM_REG(tmp));
 749 }
 750
 751 static ssize_t
 752 store_temp_max(struct device *dev, struct device_attribute *devattr,
 753                const char *buf, size_t count)
 754 {
 755         int nr = to_sensor_dev_attr(devattr)->index;
 756         struct w83627hf_data *data = dev_get_drvdata(dev);
 757         u16 tmp;
 758         long val;
 759         int err;
 760
 761         err = kstrtol(buf, 10, &val);
 762         if (err)
 763                 return err;
 764
 765         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 766         mutex_lock(&data->update_lock);
 767         data->temp_max[nr] = tmp;
 768         w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
 769         mutex_unlock(&data->update_lock);
 770         return count;
 771 }
 772
 773 static ssize_t
 774 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 775                     const char *buf, size_t count)
 776 {
 777         int nr = to_sensor_dev_attr(devattr)->index;
 778         struct w83627hf_data *data = dev_get_drvdata(dev);
 779         u16 tmp;
 780         long val;
 781         int err;
 782
 783         err = kstrtol(buf, 10, &val);
 784         if (err)
 785                 return err;
 786
 787         tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 788         mutex_lock(&data->update_lock);
 789         data->temp_max_hyst[nr] = tmp;
 790         w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
 791         mutex_unlock(&data->update_lock);
 792         return count;
 793 }
 794
 795 #define sysfs_temp_decl(offset) \
 796 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,                \
 797                           show_temp, NULL, offset - 1);                 \
 798 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR,          \
 799                           show_temp_max, store_temp_max, offset - 1);   \
 800 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR,     \
 801                           show_temp_max_hyst, store_temp_max_hyst, offset - 1);
 802
 803 sysfs_temp_decl(1);
 804 sysfs_temp_decl(2);
 805 sysfs_temp_decl(3);
 806
 807 static ssize_t
 808 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
 809 {
 810         struct w83627hf_data *data = w83627hf_update_device(dev);
 811         return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 812 }
 813 static DEVICE_ATTR_RO(cpu0_vid);
 814
 815 static ssize_t
 816 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
 817 {
 818         struct w83627hf_data *data = dev_get_drvdata(dev);
 819         return sprintf(buf, "%ld\n", (long) data->vrm);
 820 }
 821 static ssize_t
 822 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
 823           size_t count)
 824 {
 825         struct w83627hf_data *data = dev_get_drvdata(dev);
 826         unsigned long val;
 827         int err;
 828
 829         err = kstrtoul(buf, 10, &val);
 830         if (err)
 831                 return err;
 832
 833         if (val > 255)
 834                 return -EINVAL;
 835         data->vrm = val;
 836
 837         return count;
 838 }
 839 static DEVICE_ATTR_RW(vrm);
 840
 841 static ssize_t
 842 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
 843 {
 844         struct w83627hf_data *data = w83627hf_update_device(dev);
 845         return sprintf(buf, "%ld\n", (long) data->alarms);
 846 }
 847 static DEVICE_ATTR_RO(alarms);
 848
 849 static ssize_t
 850 show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
 851 {
 852         struct w83627hf_data *data = w83627hf_update_device(dev);
 853         int bitnr = to_sensor_dev_attr(attr)->index;
 854         return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 855 }
 856 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
 857 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
 858 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
 859 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
 860 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
 861 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
 862 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
 863 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16);
 864 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17);
 865 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
 866 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 867 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 868 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 869 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 870 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
 871
 872 static ssize_t
 873 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
 874 {
 875         struct w83627hf_data *data = w83627hf_update_device(dev);
 876         return sprintf(buf, "%ld\n",
 877                       (long)BEEP_MASK_FROM_REG(data->beep_mask));
 878 }
 879
 880 static ssize_t
 881 beep_mask_store(struct device *dev, struct device_attribute *attr,
 882                 const char *buf, size_t count)
 883 {
 884         struct w83627hf_data *data = dev_get_drvdata(dev);
 885         unsigned long val;
 886         int err;
 887
 888         err = kstrtoul(buf, 10, &val);
 889         if (err)
 890                 return err;
 891
 892         mutex_lock(&data->update_lock);
 893
 894         /* preserve beep enable */
 895         data->beep_mask = (data->beep_mask & 0x8000)
 896                         | BEEP_MASK_TO_REG(val);
 897         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
 898                             data->beep_mask & 0xff);
 899         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
 900                             ((data->beep_mask) >> 16) & 0xff);
 901         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
 902                             (data->beep_mask >> 8) & 0xff);
 903
 904         mutex_unlock(&data->update_lock);
 905         return count;
 906 }
 907
 908 static DEVICE_ATTR_RW(beep_mask);
 909
 910 static ssize_t
 911 show_beep(struct device *dev, struct device_attribute *attr, char *buf)
 912 {
 913         struct w83627hf_data *data = w83627hf_update_device(dev);
 914         int bitnr = to_sensor_dev_attr(attr)->index;
 915         return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 916 }
 917
 918 static ssize_t
 919 store_beep(struct device *dev, struct device_attribute *attr,
 920                 const char *buf, size_t count)
 921 {
 922         struct w83627hf_data *data = dev_get_drvdata(dev);
 923         int bitnr = to_sensor_dev_attr(attr)->index;
 924         u8 reg;
 925         unsigned long bit;
 926         int err;
 927
 928         err = kstrtoul(buf, 10, &bit);
 929         if (err)
 930                 return err;
 931
 932         if (bit & ~1)
 933                 return -EINVAL;
 934
 935         mutex_lock(&data->update_lock);
 936         if (bit)
 937                 data->beep_mask |= (1 << bitnr);
 938         else
 939                 data->beep_mask &= ~(1 << bitnr);
 940
 941         if (bitnr < 8) {
 942                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
 943                 if (bit)
 944                         reg |= (1 << bitnr);
 945                 else
 946                         reg &= ~(1 << bitnr);
 947                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
 948         } else if (bitnr < 16) {
 949                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
 950                 if (bit)
 951                         reg |= (1 << (bitnr - 8));
 952                 else
 953                         reg &= ~(1 << (bitnr - 8));
 954                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
 955         } else {
 956                 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
 957                 if (bit)
 958                         reg |= (1 << (bitnr - 16));
 959                 else
 960                         reg &= ~(1 << (bitnr - 16));
 961                 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
 962         }
 963         mutex_unlock(&data->update_lock);
 964
 965         return count;
 966 }
 967
 968 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
 969                         show_beep, store_beep, 0);
 970 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR,
 971                         show_beep, store_beep, 1);
 972 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR,
 973                         show_beep, store_beep, 2);
 974 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR,
 975                         show_beep, store_beep, 3);
 976 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR,
 977                         show_beep, store_beep, 8);
 978 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR,
 979                         show_beep, store_beep, 9);
 980 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR,
 981                         show_beep, store_beep, 10);
 982 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR,
 983                         show_beep, store_beep, 16);
 984 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR,
 985                         show_beep, store_beep, 17);
 986 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR,
 987                         show_beep, store_beep, 6);
 988 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR,
 989                         show_beep, store_beep, 7);
 990 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR,
 991                         show_beep, store_beep, 11);
 992 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
 993                         show_beep, store_beep, 4);
 994 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 995                         show_beep, store_beep, 5);
 996 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR,
 997                         show_beep, store_beep, 13);
 998 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
 999                         show_beep, store_beep, 15);
1000
1001 static ssize_t
1002 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
1003 {
1004         int nr = to_sensor_dev_attr(devattr)->index;
1005         struct w83627hf_data *data = w83627hf_update_device(dev);
1006         return sprintf(buf, "%ld\n",
1007                        (long) DIV_FROM_REG(data->fan_div[nr]));
1008 }
1009 /*
1010  * Note: we save and restore the fan minimum here, because its value is
1011  * determined in part by the fan divisor.  This follows the principle of
1012  * least surprise; the user doesn't expect the fan minimum to change just
1013  * because the divisor changed.
1014  */
1015 static ssize_t
1016 store_fan_div(struct device *dev, struct device_attribute *devattr,
1017               const char *buf, size_t count)
1018 {
1019         int nr = to_sensor_dev_attr(devattr)->index;
1020         struct w83627hf_data *data = dev_get_drvdata(dev);
1021         unsigned long min;
1022         u8 reg;
1023         unsigned long val;
1024         int err;
1025
1026         err = kstrtoul(buf, 10, &val);
1027         if (err)
1028                 return err;
1029
1030         mutex_lock(&data->update_lock);
1031
1032         /* Save fan_min */
1033         min = FAN_FROM_REG(data->fan_min[nr],
1034                            DIV_FROM_REG(data->fan_div[nr]));
1035
1036         data->fan_div[nr] = DIV_TO_REG(val);
1037
1038         reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
1039                & (nr==0 ? 0xcf : 0x3f))
1040             | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
1041         w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
1042
1043         reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
1044                & ~(1 << (5 + nr)))
1045             | ((data->fan_div[nr] & 0x04) << (3 + nr));
1046         w83627hf_write_value(data, W83781D_REG_VBAT, reg);
1047
1048         /* Restore fan_min */
1049         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1050         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
1051
1052         mutex_unlock(&data->update_lock);
1053         return count;
1054 }
1055
1056 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR,
1057                           show_fan_div, store_fan_div, 0);
1058 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR,
1059                           show_fan_div, store_fan_div, 1);
1060 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR,
1061                           show_fan_div, store_fan_div, 2);
1062
1063 static ssize_t
1064 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
1065 {
1066         int nr = to_sensor_dev_attr(devattr)->index;
1067         struct w83627hf_data *data = w83627hf_update_device(dev);
1068         return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
1069 }
1070
1071 static ssize_t
1072 store_pwm(struct device *dev, struct device_attribute *devattr,
1073           const char *buf, size_t count)
1074 {
1075         int nr = to_sensor_dev_attr(devattr)->index;
1076         struct w83627hf_data *data = dev_get_drvdata(dev);
1077         unsigned long val;
1078         int err;
1079
1080         err = kstrtoul(buf, 10, &val);
1081         if (err)
1082                 return err;
1083
1084         mutex_lock(&data->update_lock);
1085
1086         if (data->type == w83627thf) {
1087                 /* bits 0-3 are reserved  in 627THF */
1088                 data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
1089                 w83627hf_write_value(data,
1090                                      W836X7HF_REG_PWM(data->type, nr),
1091                                      data->pwm[nr] |
1092                                      (w83627hf_read_value(data,
1093                                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
1094         } else {
1095                 data->pwm[nr] = PWM_TO_REG(val);
1096                 w83627hf_write_value(data,
1097                                      W836X7HF_REG_PWM(data->type, nr),
1098                                      data->pwm[nr]);
1099         }
1100
1101         mutex_unlock(&data->update_lock);
1102         return count;
1103 }
1104
1105 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0);
1106 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1);
1107 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2);
1108
1109 static ssize_t
1110 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf)
1111 {
1112         int nr = to_sensor_dev_attr(devattr)->index;
1113         struct w83627hf_data *data = w83627hf_update_device(dev);
1114         return sprintf(buf, "%d\n", data->pwm_enable[nr]);
1115 }
1116
1117 static ssize_t
1118 store_pwm_enable(struct device *dev, struct device_attribute *devattr,
1119           const char *buf, size_t count)
1120 {
1121         int nr = to_sensor_dev_attr(devattr)->index;
1122         struct w83627hf_data *data = dev_get_drvdata(dev);
1123         u8 reg;
1124         unsigned long val;
1125         int err;
1126
1127         err = kstrtoul(buf, 10, &val);
1128         if (err)
1129                 return err;
1130
1131         if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
1132                 return -EINVAL;
1133         mutex_lock(&data->update_lock);
1134         data->pwm_enable[nr] = val;
1135         reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
1136         reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
1137         reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
1138         w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
1139         mutex_unlock(&data->update_lock);
1140         return count;
1141 }
1142
1143 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1144                                                   store_pwm_enable, 0);
1145 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1146                                                   store_pwm_enable, 1);
1147 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
1148                                                   store_pwm_enable, 2);
1149
1150 static ssize_t
1151 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf)
1152 {
1153         int nr = to_sensor_dev_attr(devattr)->index;
1154         struct w83627hf_data *data = w83627hf_update_device(dev);
1155         if (data->type == w83627hf)
1156                 return sprintf(buf, "%ld\n",
1157                         pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
1158         else
1159                 return sprintf(buf, "%ld\n",
1160                         pwm_freq_from_reg(data->pwm_freq[nr]));
1161 }
1162
1163 static ssize_t
1164 store_pwm_freq(struct device *dev, struct device_attribute *devattr,
1165                const char *buf, size_t count)
1166 {
1167         int nr = to_sensor_dev_attr(devattr)->index;
1168         struct w83627hf_data *data = dev_get_drvdata(dev);
1169         static const u8 mask[]={0xF8, 0x8F};
1170         unsigned long val;
1171         int err;
1172
1173         err = kstrtoul(buf, 10, &val);
1174         if (err)
1175                 return err;
1176
1177         mutex_lock(&data->update_lock);
1178
1179         if (data->type == w83627hf) {
1180                 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
1181                 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
1182                                 (data->pwm_freq[nr] << (nr*4)) |
1183                                 (w83627hf_read_value(data,
1184                                 W83627HF_REG_PWM_FREQ) & mask[nr]));
1185         } else {
1186                 data->pwm_freq[nr] = pwm_freq_to_reg(val);
1187                 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
1188                                 data->pwm_freq[nr]);
1189         }
1190
1191         mutex_unlock(&data->update_lock);
1192         return count;
1193 }
1194
1195 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR,
1196                           show_pwm_freq, store_pwm_freq, 0);
1197 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR,
1198                           show_pwm_freq, store_pwm_freq, 1);
1199 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR,
1200                           show_pwm_freq, store_pwm_freq, 2);
1201
1202 static ssize_t
1203 show_temp_type(struct device *dev, struct device_attribute *devattr,
1204                char *buf)
1205 {
1206         int nr = to_sensor_dev_attr(devattr)->index;
1207         struct w83627hf_data *data = w83627hf_update_device(dev);
1208         return sprintf(buf, "%ld\n", (long) data->sens[nr]);
1209 }
1210
1211 static ssize_t
1212 store_temp_type(struct device *dev, struct device_attribute *devattr,
1213                 const char *buf, size_t count)
1214 {
1215         int nr = to_sensor_dev_attr(devattr)->index;
1216         struct w83627hf_data *data = dev_get_drvdata(dev);
1217         unsigned long val;
1218         u32 tmp;
1219         int err;
1220
1221         err = kstrtoul(buf, 10, &val);
1222         if (err)
1223                 return err;
1224
1225         mutex_lock(&data->update_lock);
1226
1227         switch (val) {
1228         case 1:         /* PII/Celeron diode */
1229                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1230                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1231                                     tmp | BIT_SCFG1[nr]);
1232                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1233                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1234                                     tmp | BIT_SCFG2[nr]);
1235                 data->sens[nr] = val;
1236                 break;
1237         case 2:         /* 3904 */
1238                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1239                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1240                                     tmp | BIT_SCFG1[nr]);
1241                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
1242                 w83627hf_write_value(data, W83781D_REG_SCFG2,
1243                                     tmp & ~BIT_SCFG2[nr]);
1244                 data->sens[nr] = val;
1245                 break;
1246         case W83781D_DEFAULT_BETA:
1247                 dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
1248                          "instead\n", W83781D_DEFAULT_BETA);
1249                 /* fall through */
1250         case 4:         /* thermistor */
1251                 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1252                 w83627hf_write_value(data, W83781D_REG_SCFG1,
1253                                     tmp & ~BIT_SCFG1[nr]);
1254                 data->sens[nr] = val;
1255                 break;
1256         default:
1257                 dev_err(dev,
1258                        "Invalid sensor type %ld; must be 1, 2, or 4\n",
1259                        (long) val);
1260                 break;
1261         }
1262
1263         mutex_unlock(&data->update_lock);
1264         return count;
1265 }
1266
1267 #define sysfs_temp_type(offset) \
1268 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
1269                           show_temp_type, store_temp_type, offset - 1);
1270
1271 sysfs_temp_type(1);
1272 sysfs_temp_type(2);
1273 sysfs_temp_type(3);
1274
1275 static ssize_t
1276 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
1277 {
1278         struct w83627hf_data *data = dev_get_drvdata(dev);
1279
1280         return sprintf(buf, "%s\n", data->name);
1281 }
1282 static DEVICE_ATTR_RO(name);
1283
1284 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
1285                                 struct w83627hf_sio_data *sio_data)
1286 {
1287         int err;
1288         u16 val;
1289
1290         static __initconst char *const names[] = {
1291                 "W83627HF",
1292                 "W83627THF",
1293                 "W83697HF",
1294                 "W83637HF",
1295                 "W83687THF",
1296         };
1297
1298         sio_data->sioaddr = sioaddr;
1299         err = superio_enter(sio_data);
1300         if (err)
1301                 return err;
1302
1303         err = -ENODEV;
1304         val = force_id ? force_id : superio_inb(sio_data, DEVID);
1305         switch (val) {
1306         case W627_DEVID:
1307                 sio_data->type = w83627hf;
1308                 break;
1309         case W627THF_DEVID:
1310                 sio_data->type = w83627thf;
1311                 break;
1312         case W697_DEVID:
1313                 sio_data->type = w83697hf;
1314                 break;
1315         case W637_DEVID:
1316                 sio_data->type = w83637hf;
1317                 break;
1318         case W687THF_DEVID:
1319                 sio_data->type = w83687thf;
1320                 break;
1321         case 0xff:      /* No device at all */
1322                 goto exit;
1323         default:
1324                 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
1325                 goto exit;
1326         }
1327
1328         superio_select(sio_data, W83627HF_LD_HWM);
1329         val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
1330                superio_inb(sio_data, WINB_BASE_REG + 1);
1331         *addr = val & WINB_ALIGNMENT;
1332         if (*addr == 0) {
1333                 pr_warn("Base address not set, skipping\n");
1334                 goto exit;
1335         }
1336
1337         val = superio_inb(sio_data, WINB_ACT_REG);
1338         if (!(val & 0x01)) {
1339                 pr_warn("Enabling HWM logical device\n");
1340                 superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
1341         }
1342
1343         err = 0;
1344         pr_info(DRVNAME ": Found %s chip at %#x\n",
1345                 names[sio_data->type], *addr);
1346
1347  exit:
1348         superio_exit(sio_data);
1349         return err;
1350 }
1351
1352 #define VIN_UNIT_ATTRS(_X_)     \
1353         &sensor_dev_attr_in##_X_##_input.dev_attr.attr,         \
1354         &sensor_dev_attr_in##_X_##_min.dev_attr.attr,           \
1355         &sensor_dev_attr_in##_X_##_max.dev_attr.attr,           \
1356         &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,         \
1357         &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
1358
1359 #define FAN_UNIT_ATTRS(_X_)     \
1360         &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,        \
1361         &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,          \
1362         &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,          \
1363         &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,        \
1364         &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
1365
1366 #define TEMP_UNIT_ATTRS(_X_)    \
1367         &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,       \
1368         &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,         \
1369         &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
1370         &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,        \
1371         &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,       \
1372         &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
1373
1374 static struct attribute *w83627hf_attributes[] = {
1375         &dev_attr_in0_input.attr,
1376         &dev_attr_in0_min.attr,
1377         &dev_attr_in0_max.attr,
1378         &sensor_dev_attr_in0_alarm.dev_attr.attr,
1379         &sensor_dev_attr_in0_beep.dev_attr.attr,
1380         VIN_UNIT_ATTRS(2),
1381         VIN_UNIT_ATTRS(3),
1382         VIN_UNIT_ATTRS(4),
1383         VIN_UNIT_ATTRS(7),
1384         VIN_UNIT_ATTRS(8),
1385
1386         FAN_UNIT_ATTRS(1),
1387         FAN_UNIT_ATTRS(2),
1388
1389         TEMP_UNIT_ATTRS(1),
1390         TEMP_UNIT_ATTRS(2),
1391
1392         &dev_attr_alarms.attr,
1393         &sensor_dev_attr_beep_enable.dev_attr.attr,
1394         &dev_attr_beep_mask.attr,
1395
1396         &sensor_dev_attr_pwm1.dev_attr.attr,
1397         &sensor_dev_attr_pwm2.dev_attr.attr,
1398         &dev_attr_name.attr,
1399         NULL
1400 };
1401
1402 static const struct attribute_group w83627hf_group = {
1403         .attrs = w83627hf_attributes,
1404 };
1405
1406 static struct attribute *w83627hf_attributes_opt[] = {
1407         VIN_UNIT_ATTRS(1),
1408         VIN_UNIT_ATTRS(5),
1409         VIN_UNIT_ATTRS(6),
1410
1411         FAN_UNIT_ATTRS(3),
1412         TEMP_UNIT_ATTRS(3),
1413         &sensor_dev_attr_pwm3.dev_attr.attr,
1414
1415         &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1416         &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1417         &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1418
1419         &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1420         &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1421         &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1422
1423         NULL
1424 };
1425
1426 static const struct attribute_group w83627hf_group_opt = {
1427         .attrs = w83627hf_attributes_opt,
1428 };
1429
1430 static int w83627hf_probe(struct platform_device *pdev)
1431 {
1432         struct device *dev = &pdev->dev;
1433         struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
1434         struct w83627hf_data *data;
1435         struct resource *res;
1436         int err, i;
1437
1438         static const char *names[] = {
1439                 "w83627hf",
1440                 "w83627thf",
1441                 "w83697hf",
1442                 "w83637hf",
1443                 "w83687thf",
1444         };
1445
1446         res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1447         if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
1448                 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
1449                         (unsigned long)res->start,
1450                         (unsigned long)(res->start + WINB_REGION_SIZE - 1));
1451                 return -EBUSY;
1452         }
1453
1454         data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
1455         if (!data)
1456                 return -ENOMEM;
1457
1458         data->addr = res->start;
1459         data->type = sio_data->type;
1460         data->name = names[sio_data->type];
1461         mutex_init(&data->lock);
1462         mutex_init(&data->update_lock);
1463         platform_set_drvdata(pdev, data);
1464
1465         /* Initialize the chip */
1466         w83627hf_init_device(pdev);
1467
1468         /* A few vars need to be filled upon startup */
1469         for (i = 0; i <= 2; i++)
1470                 data->fan_min[i] = w83627hf_read_value(
1471                                         data, W83627HF_REG_FAN_MIN(i));
1472         w83627hf_update_fan_div(data);
1473
1474         /* Register common device attributes */
1475         err = sysfs_create_group(&dev->kobj, &w83627hf_group);
1476         if (err)
1477                 return err;
1478
1479         /* Register chip-specific device attributes */
1480         if (data->type == w83627hf || data->type == w83697hf)
1481                 if ((err = device_create_file(dev,
1482                                 &sensor_dev_attr_in5_input.dev_attr))
1483                  || (err = device_create_file(dev,
1484                                 &sensor_dev_attr_in5_min.dev_attr))
1485                  || (err = device_create_file(dev,
1486                                 &sensor_dev_attr_in5_max.dev_attr))
1487                  || (err = device_create_file(dev,
1488                                 &sensor_dev_attr_in5_alarm.dev_attr))
1489                  || (err = device_create_file(dev,
1490                                 &sensor_dev_attr_in5_beep.dev_attr))
1491                  || (err = device_create_file(dev,
1492                                 &sensor_dev_attr_in6_input.dev_attr))
1493                  || (err = device_create_file(dev,
1494                                 &sensor_dev_attr_in6_min.dev_attr))
1495                  || (err = device_create_file(dev,
1496                                 &sensor_dev_attr_in6_max.dev_attr))
1497                  || (err = device_create_file(dev,
1498                                 &sensor_dev_attr_in6_alarm.dev_attr))
1499                  || (err = device_create_file(dev,
1500                                 &sensor_dev_attr_in6_beep.dev_attr))
1501                  || (err = device_create_file(dev,
1502                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1503                  || (err = device_create_file(dev,
1504                                 &sensor_dev_attr_pwm2_freq.dev_attr)))
1505                         goto error;
1506
1507         if (data->type != w83697hf)
1508                 if ((err = device_create_file(dev,
1509                                 &sensor_dev_attr_in1_input.dev_attr))
1510                  || (err = device_create_file(dev,
1511                                 &sensor_dev_attr_in1_min.dev_attr))
1512                  || (err = device_create_file(dev,
1513                                 &sensor_dev_attr_in1_max.dev_attr))
1514                  || (err = device_create_file(dev,
1515                                 &sensor_dev_attr_in1_alarm.dev_attr))
1516                  || (err = device_create_file(dev,
1517                                 &sensor_dev_attr_in1_beep.dev_attr))
1518                  || (err = device_create_file(dev,
1519                                 &sensor_dev_attr_fan3_input.dev_attr))
1520                  || (err = device_create_file(dev,
1521                                 &sensor_dev_attr_fan3_min.dev_attr))
1522                  || (err = device_create_file(dev,
1523                                 &sensor_dev_attr_fan3_div.dev_attr))
1524                  || (err = device_create_file(dev,
1525                                 &sensor_dev_attr_fan3_alarm.dev_attr))
1526                  || (err = device_create_file(dev,
1527                                 &sensor_dev_attr_fan3_beep.dev_attr))
1528                  || (err = device_create_file(dev,
1529                                 &sensor_dev_attr_temp3_input.dev_attr))
1530                  || (err = device_create_file(dev,
1531                                 &sensor_dev_attr_temp3_max.dev_attr))
1532                  || (err = device_create_file(dev,
1533                                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
1534                  || (err = device_create_file(dev,
1535                                 &sensor_dev_attr_temp3_alarm.dev_attr))
1536                  || (err = device_create_file(dev,
1537                                 &sensor_dev_attr_temp3_beep.dev_attr))
1538                  || (err = device_create_file(dev,
1539                                 &sensor_dev_attr_temp3_type.dev_attr)))
1540                         goto error;
1541
1542         if (data->type != w83697hf && data->vid != 0xff) {
1543                 /* Convert VID to voltage based on VRM */
1544                 data->vrm = vid_which_vrm();
1545
1546                 if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
1547                  || (err = device_create_file(dev, &dev_attr_vrm)))
1548                         goto error;
1549         }
1550
1551         if (data->type == w83627thf || data->type == w83637hf
1552             || data->type == w83687thf) {
1553                 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
1554                 if (err)
1555                         goto error;
1556         }
1557
1558         if (data->type == w83637hf || data->type == w83687thf)
1559                 if ((err = device_create_file(dev,
1560                                 &sensor_dev_attr_pwm1_freq.dev_attr))
1561                  || (err = device_create_file(dev,
1562                                 &sensor_dev_attr_pwm2_freq.dev_attr))
1563                  || (err = device_create_file(dev,
1564                                 &sensor_dev_attr_pwm3_freq.dev_attr)))
1565                         goto error;
1566
1567         if (data->type != w83627hf)
1568                 if ((err = device_create_file(dev,
1569                                 &sensor_dev_attr_pwm1_enable.dev_attr))
1570                  || (err = device_create_file(dev,
1571                                 &sensor_dev_attr_pwm2_enable.dev_attr)))
1572                         goto error;
1573
1574         if (data->type == w83627thf || data->type == w83637hf
1575             || data->type == w83687thf) {
1576                 err = device_create_file(dev,
1577                                          &sensor_dev_attr_pwm3_enable.dev_attr);
1578                 if (err)
1579                         goto error;
1580         }
1581
1582         data->hwmon_dev = hwmon_device_register(dev);
1583         if (IS_ERR(data->hwmon_dev)) {
1584                 err = PTR_ERR(data->hwmon_dev);
1585                 goto error;
1586         }
1587
1588         return 0;
1589
1590  error:
1591         sysfs_remove_group(&dev->kobj, &w83627hf_group);
1592         sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
1593         return err;
1594 }
1595
1596 static int w83627hf_remove(struct platform_device *pdev)
1597 {
1598         struct w83627hf_data *data = platform_get_drvdata(pdev);
1599
1600         hwmon_device_unregister(data->hwmon_dev);
1601
1602         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
1603         sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
1604
1605         return 0;
1606 }
1607
1608
1609 /* Registers 0x50-0x5f are banked */
1610 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
1611 {
1612         if ((reg & 0x00f0) == 0x50) {
1613                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1614                 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
1615         }
1616 }
1617
1618 /* Not strictly necessary, but play it safe for now */
1619 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
1620 {
1621         if (reg & 0xff00) {
1622                 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
1623                 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
1624         }
1625 }
1626
1627 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
1628 {
1629         int res, word_sized;
1630
1631         mutex_lock(&data->lock);
1632         word_sized = (((reg & 0xff00) == 0x100)
1633                    || ((reg & 0xff00) == 0x200))
1634                   && (((reg & 0x00ff) == 0x50)
1635                    || ((reg & 0x00ff) == 0x53)
1636                    || ((reg & 0x00ff) == 0x55));
1637         w83627hf_set_bank(data, reg);
1638         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1639         res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
1640         if (word_sized) {
1641                 outb_p((reg & 0xff) + 1,
1642                        data->addr + W83781D_ADDR_REG_OFFSET);
1643                 res =
1644                     (res << 8) + inb_p(data->addr +
1645                                        W83781D_DATA_REG_OFFSET);
1646         }
1647         w83627hf_reset_bank(data, reg);
1648         mutex_unlock(&data->lock);
1649         return res;
1650 }
1651
1652 static int w83627thf_read_gpio5(struct platform_device *pdev)
1653 {
1654         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1655         int res = 0xff, sel;
1656
1657         if (superio_enter(sio_data)) {
1658                 /*
1659                  * Some other driver reserved the address space for itself.
1660                  * We don't want to fail driver instantiation because of that,
1661                  * so display a warning and keep going.
1662                  */
1663                 dev_warn(&pdev->dev,
1664                          "Can not read VID data: Failed to enable SuperIO access\n");
1665                 return res;
1666         }
1667
1668         superio_select(sio_data, W83627HF_LD_GPIO5);
1669
1670         res = 0xff;
1671
1672         /* Make sure these GPIO pins are enabled */
1673         if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
1674                 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
1675                 goto exit;
1676         }
1677
1678         /*
1679          * Make sure the pins are configured for input
1680          * There must be at least five (VRM 9), and possibly 6 (VRM 10)
1681          */
1682         sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
1683         if ((sel & 0x1f) != 0x1f) {
1684                 dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
1685                         "function\n");
1686                 goto exit;
1687         }
1688
1689         dev_info(&pdev->dev, "Reading VID from GPIO5\n");
1690         res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
1691
1692 exit:
1693         superio_exit(sio_data);
1694         return res;
1695 }
1696
1697 static int w83687thf_read_vid(struct platform_device *pdev)
1698 {
1699         struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
1700         int res = 0xff;
1701
1702         if (superio_enter(sio_data)) {
1703                 /*
1704                  * Some other driver reserved the address space for itself.
1705                  * We don't want to fail driver instantiation because of that,
1706                  * so display a warning and keep going.
1707                  */
1708                 dev_warn(&pdev->dev,
1709                          "Can not read VID data: Failed to enable SuperIO access\n");
1710                 return res;
1711         }
1712
1713         superio_select(sio_data, W83627HF_LD_HWM);
1714
1715         /* Make sure these GPIO pins are enabled */
1716         if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
1717                 dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
1718                 goto exit;
1719         }
1720
1721         /* Make sure the pins are configured for input */
1722         if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
1723                 dev_dbg(&pdev->dev, "VID configured as output, "
1724                         "no VID function\n");
1725                 goto exit;
1726         }
1727
1728         res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
1729
1730 exit:
1731         superio_exit(sio_data);
1732         return res;
1733 }
1734
1735 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
1736 {
1737         int word_sized;
1738
1739         mutex_lock(&data->lock);
1740         word_sized = (((reg & 0xff00) == 0x100)
1741                    || ((reg & 0xff00) == 0x200))
1742                   && (((reg & 0x00ff) == 0x53)
1743                    || ((reg & 0x00ff) == 0x55));
1744         w83627hf_set_bank(data, reg);
1745         outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
1746         if (word_sized) {
1747                 outb_p(value >> 8,
1748                        data->addr + W83781D_DATA_REG_OFFSET);
1749                 outb_p((reg & 0xff) + 1,
1750                        data->addr + W83781D_ADDR_REG_OFFSET);
1751         }
1752         outb_p(value & 0xff,
1753                data->addr + W83781D_DATA_REG_OFFSET);
1754         w83627hf_reset_bank(data, reg);
1755         mutex_unlock(&data->lock);
1756         return 0;
1757 }
1758
1759 static void w83627hf_init_device(struct platform_device *pdev)
1760 {
1761         struct w83627hf_data *data = platform_get_drvdata(pdev);
1762         int i;
1763         enum chips type = data->type;
1764         u8 tmp;
1765
1766         /* Minimize conflicts with other winbond i2c-only clients...  */
1767         /* disable i2c subclients... how to disable main i2c client?? */
1768         /* force i2c address to relatively uncommon address */
1769         if (type == w83627hf) {
1770                 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
1771                 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
1772         }
1773
1774         /* Read VID only once */
1775         if (type == w83627hf || type == w83637hf) {
1776                 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1777                 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
1778                 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1779         } else if (type == w83627thf) {
1780                 data->vid = w83627thf_read_gpio5(pdev);
1781         } else if (type == w83687thf) {
1782                 data->vid = w83687thf_read_vid(pdev);
1783         }
1784
1785         /* Read VRM & OVT Config only once */
1786         if (type == w83627thf || type == w83637hf || type == w83687thf) {
1787                 data->vrm_ovt =
1788                         w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
1789         }
1790
1791         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
1792         for (i = 1; i <= 3; i++) {
1793                 if (!(tmp & BIT_SCFG1[i - 1])) {
1794                         data->sens[i - 1] = 4;
1795                 } else {
1796                         if (w83627hf_read_value
1797                             (data,
1798                              W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1799                                 data->sens[i - 1] = 1;
1800                         else
1801                                 data->sens[i - 1] = 2;
1802                 }
1803                 if ((type == w83697hf) && (i == 2))
1804                         break;
1805         }
1806
1807         if(init) {
1808                 /* Enable temp2 */
1809                 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
1810                 if (tmp & 0x01) {
1811                         dev_warn(&pdev->dev, "Enabling temp2, readings "
1812                                  "might not make sense\n");
1813                         w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
1814                                 tmp & 0xfe);
1815                 }
1816
1817                 /* Enable temp3 */
1818                 if (type != w83697hf) {
1819                         tmp = w83627hf_read_value(data,
1820                                 W83627HF_REG_TEMP3_CONFIG);
1821                         if (tmp & 0x01) {
1822                                 dev_warn(&pdev->dev, "Enabling temp3, "
1823                                          "readings might not make sense\n");
1824                                 w83627hf_write_value(data,
1825                                         W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
1826                         }
1827                 }
1828         }
1829
1830         /* Start monitoring */
1831         w83627hf_write_value(data, W83781D_REG_CONFIG,
1832                             (w83627hf_read_value(data,
1833                                                 W83781D_REG_CONFIG) & 0xf7)
1834                             | 0x01);
1835
1836         /* Enable VBAT monitoring if needed */
1837         tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
1838         if (!(tmp & 0x01))
1839                 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
1840 }
1841
1842 static void w83627hf_update_fan_div(struct w83627hf_data *data)
1843 {
1844         int reg;
1845
1846         reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
1847         data->fan_div[0] = (reg >> 4) & 0x03;
1848         data->fan_div[1] = (reg >> 6) & 0x03;
1849         if (data->type != w83697hf) {
1850                 data->fan_div[2] = (w83627hf_read_value(data,
1851                                        W83781D_REG_PIN) >> 6) & 0x03;
1852         }
1853         reg = w83627hf_read_value(data, W83781D_REG_VBAT);
1854         data->fan_div[0] |= (reg >> 3) & 0x04;
1855         data->fan_div[1] |= (reg >> 4) & 0x04;
1856         if (data->type != w83697hf)
1857                 data->fan_div[2] |= (reg >> 5) & 0x04;
1858 }
1859
1860 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1861 {
1862         struct w83627hf_data *data = dev_get_drvdata(dev);
1863         int i, num_temps = (data->type == w83697hf) ? 2 : 3;
1864         int num_pwms = (data->type == w83697hf) ? 2 : 3;
1865
1866         mutex_lock(&data->update_lock);
1867
1868         if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1869             || !data->valid) {
1870                 for (i = 0; i <= 8; i++) {
1871                         /* skip missing sensors */
1872                         if (((data->type == w83697hf) && (i == 1)) ||
1873                             ((data->type != w83627hf && data->type != w83697hf)
1874                             && (i == 5 || i == 6)))
1875                                 continue;
1876                         data->in[i] =
1877                             w83627hf_read_value(data, W83781D_REG_IN(i));
1878                         data->in_min[i] =
1879                             w83627hf_read_value(data,
1880                                                W83781D_REG_IN_MIN(i));
1881                         data->in_max[i] =
1882                             w83627hf_read_value(data,
1883                                                W83781D_REG_IN_MAX(i));
1884                 }
1885                 for (i = 0; i <= 2; i++) {
1886                         data->fan[i] =
1887                             w83627hf_read_value(data, W83627HF_REG_FAN(i));
1888                         data->fan_min[i] =
1889                             w83627hf_read_value(data,
1890                                                W83627HF_REG_FAN_MIN(i));
1891                 }
1892                 for (i = 0; i <= 2; i++) {
1893                         u8 tmp = w83627hf_read_value(data,
1894                                 W836X7HF_REG_PWM(data->type, i));
1895                         /* bits 0-3 are reserved  in 627THF */
1896                         if (data->type == w83627thf)
1897                                 tmp &= 0xf0;
1898                         data->pwm[i] = tmp;
1899                         if (i == 1 &&
1900                             (data->type == w83627hf || data->type == w83697hf))
1901                                 break;
1902                 }
1903                 if (data->type == w83627hf) {
1904                                 u8 tmp = w83627hf_read_value(data,
1905                                                 W83627HF_REG_PWM_FREQ);
1906                                 data->pwm_freq[0] = tmp & 0x07;
1907                                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
1908                 } else if (data->type != w83627thf) {
1909                         for (i = 1; i <= 3; i++) {
1910                                 data->pwm_freq[i - 1] =
1911                                         w83627hf_read_value(data,
1912                                                 W83637HF_REG_PWM_FREQ[i - 1]);
1913                                 if (i == 2 && (data->type == w83697hf))
1914                                         break;
1915                         }
1916                 }
1917                 if (data->type != w83627hf) {
1918                         for (i = 0; i < num_pwms; i++) {
1919                                 u8 tmp = w83627hf_read_value(data,
1920                                         W83627THF_REG_PWM_ENABLE[i]);
1921                                 data->pwm_enable[i] =
1922                                         ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
1923                                         & 0x03) + 1;
1924                         }
1925                 }
1926                 for (i = 0; i < num_temps; i++) {
1927                         data->temp[i] = w83627hf_read_value(
1928                                                 data, w83627hf_reg_temp[i]);
1929                         data->temp_max[i] = w83627hf_read_value(
1930                                                 data, w83627hf_reg_temp_over[i]);
1931                         data->temp_max_hyst[i] = w83627hf_read_value(
1932                                                 data, w83627hf_reg_temp_hyst[i]);
1933                 }
1934
1935                 w83627hf_update_fan_div(data);
1936
1937                 data->alarms =
1938                     w83627hf_read_value(data, W83781D_REG_ALARM1) |
1939                     (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
1940                     (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
1941                 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
1942                 data->beep_mask = (i << 8) |
1943                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
1944                     w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
1945                 data->last_updated = jiffies;
1946                 data->valid = 1;
1947         }
1948
1949         mutex_unlock(&data->update_lock);
1950
1951         return data;
1952 }
1953
1954 static int __init w83627hf_device_add(unsigned short address,
1955                                       const struct w83627hf_sio_data *sio_data)
1956 {
1957         struct resource res = {
1958                 .start  = address + WINB_REGION_OFFSET,
1959                 .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
1960                 .name   = DRVNAME,
1961                 .flags  = IORESOURCE_IO,
1962         };
1963         int err;
1964
1965         err = acpi_check_resource_conflict(&res);
1966         if (err)
1967                 goto exit;
1968
1969         pdev = platform_device_alloc(DRVNAME, address);
1970         if (!pdev) {
1971                 err = -ENOMEM;
1972                 pr_err("Device allocation failed\n");
1973                 goto exit;
1974         }
1975
1976         err = platform_device_add_resources(pdev, &res, 1);
1977         if (err) {
1978                 pr_err("Device resource addition failed (%d)\n", err);
1979                 goto exit_device_put;
1980         }
1981
1982         err = platform_device_add_data(pdev, sio_data,
1983                                        sizeof(struct w83627hf_sio_data));
1984         if (err) {
1985                 pr_err("Platform data allocation failed\n");
1986                 goto exit_device_put;
1987         }
1988
1989         err = platform_device_add(pdev);
1990         if (err) {
1991                 pr_err("Device addition failed (%d)\n", err);
1992                 goto exit_device_put;
1993         }
1994
1995         return 0;
1996
1997 exit_device_put:
1998         platform_device_put(pdev);
1999 exit:
2000         return err;
2001 }
2002
2003 static int __init sensors_w83627hf_init(void)
2004 {
2005         int err;
2006         unsigned short address;
2007         struct w83627hf_sio_data sio_data;
2008
2009         if (w83627hf_find(0x2e, &address, &sio_data)
2010          && w83627hf_find(0x4e, &address, &sio_data))
2011                 return -ENODEV;
2012
2013         err = platform_driver_register(&w83627hf_driver);
2014         if (err)
2015                 goto exit;
2016
2017         /* Sets global pdev as a side effect */
2018         err = w83627hf_device_add(address, &sio_data);
2019         if (err)
2020                 goto exit_driver;
2021
2022         return 0;
2023
2024 exit_driver:
2025         platform_driver_unregister(&w83627hf_driver);
2026 exit:
2027         return err;
2028 }
2029
2030 static void __exit sensors_w83627hf_exit(void)
2031 {
2032         platform_device_unregister(pdev);
2033         platform_driver_unregister(&w83627hf_driver);
2034 }
2035
2036 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
2037               "Philip Edelbrock <phil@netroedge.com>, "
2038               "and Mark Studebaker <mdsxyz123@yahoo.com>");
2039 MODULE_DESCRIPTION("W83627HF driver");
2040 MODULE_LICENSE("GPL");
2041
2042 module_init(sensors_w83627hf_init);
2043 module_exit(sensors_w83627hf_exit);