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   1 /*
   2     w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
   3                 monitoring
   4     Copyright (C) 2004, 2005 Winbond Electronics Corp.
   5                         Chunhao Huang <DZShen@Winbond.com.tw>,
   6                         Rudolf Marek <r.marek@sh.cvut.cz>
   7
   8     This program is free software; you can redistribute it and/or modify
   9     it under the terms of the GNU General Public License as published by
  10     the Free Software Foundation; either version 2 of the License, or
  11     (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22     Note:
  23     1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
  24     2. This driver is only for Winbond W83792D C version device, there
  25        are also some motherboards with B version W83792D device. The
  26        calculation method to in6-in7(measured value, limits) is a little
  27        different between C and B version. C or B version can be identified
  28        by CR[0x49h].
  29 */
  30
  31 /*
  32     Supports following chips:
  33
  34     Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  35     w83792d     9       7       7       3       0x7a    0x5ca3  yes     no
  36 */
  37
  38 #include <linux/config.h>
  39 #include <linux/module.h>
  40 #include <linux/init.h>
  41 #include <linux/slab.h>
  42 #include <linux/i2c.h>
  43 #include <linux/hwmon.h>
  44 #include <linux/hwmon-sysfs.h>
  45 #include <linux/err.h>
  46
  47 /* Addresses to scan */
  48 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
  49
  50 /* Insmod parameters */
  51 I2C_CLIENT_INSMOD_1(w83792d);
  52 I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
  53                         "{bus, clientaddr, subclientaddr1, subclientaddr2}");
  54
  55 static int init;
  56 module_param(init, bool, 0);
  57 MODULE_PARM_DESC(init, "Set to one to force chip initialization");
  58
  59 /* The W83792D registers */
  60 static const u8 W83792D_REG_IN[9] = {
  61         0x20,   /* Vcore A in DataSheet */
  62         0x21,   /* Vcore B in DataSheet */
  63         0x22,   /* VIN0 in DataSheet */
  64         0x23,   /* VIN1 in DataSheet */
  65         0x24,   /* VIN2 in DataSheet */
  66         0x25,   /* VIN3 in DataSheet */
  67         0x26,   /* 5VCC in DataSheet */
  68         0xB0,   /* 5VSB in DataSheet */
  69         0xB1    /* VBAT in DataSheet */
  70 };
  71 #define W83792D_REG_LOW_BITS1 0x3E  /* Low Bits I in DataSheet */
  72 #define W83792D_REG_LOW_BITS2 0x3F  /* Low Bits II in DataSheet */
  73 static const u8 W83792D_REG_IN_MAX[9] = {
  74         0x2B,   /* Vcore A High Limit in DataSheet */
  75         0x2D,   /* Vcore B High Limit in DataSheet */
  76         0x2F,   /* VIN0 High Limit in DataSheet */
  77         0x31,   /* VIN1 High Limit in DataSheet */
  78         0x33,   /* VIN2 High Limit in DataSheet */
  79         0x35,   /* VIN3 High Limit in DataSheet */
  80         0x37,   /* 5VCC High Limit in DataSheet */
  81         0xB4,   /* 5VSB High Limit in DataSheet */
  82         0xB6    /* VBAT High Limit in DataSheet */
  83 };
  84 static const u8 W83792D_REG_IN_MIN[9] = {
  85         0x2C,   /* Vcore A Low Limit in DataSheet */
  86         0x2E,   /* Vcore B Low Limit in DataSheet */
  87         0x30,   /* VIN0 Low Limit in DataSheet */
  88         0x32,   /* VIN1 Low Limit in DataSheet */
  89         0x34,   /* VIN2 Low Limit in DataSheet */
  90         0x36,   /* VIN3 Low Limit in DataSheet */
  91         0x38,   /* 5VCC Low Limit in DataSheet */
  92         0xB5,   /* 5VSB Low Limit in DataSheet */
  93         0xB7    /* VBAT Low Limit in DataSheet */
  94 };
  95 static const u8 W83792D_REG_FAN[7] = {
  96         0x28,   /* FAN 1 Count in DataSheet */
  97         0x29,   /* FAN 2 Count in DataSheet */
  98         0x2A,   /* FAN 3 Count in DataSheet */
  99         0xB8,   /* FAN 4 Count in DataSheet */
 100         0xB9,   /* FAN 5 Count in DataSheet */
 101         0xBA,   /* FAN 6 Count in DataSheet */
 102         0xBE    /* FAN 7 Count in DataSheet */
 103 };
 104 static const u8 W83792D_REG_FAN_MIN[7] = {
 105         0x3B,   /* FAN 1 Count Low Limit in DataSheet */
 106         0x3C,   /* FAN 2 Count Low Limit in DataSheet */
 107         0x3D,   /* FAN 3 Count Low Limit in DataSheet */
 108         0xBB,   /* FAN 4 Count Low Limit in DataSheet */
 109         0xBC,   /* FAN 5 Count Low Limit in DataSheet */
 110         0xBD,   /* FAN 6 Count Low Limit in DataSheet */
 111         0xBF    /* FAN 7 Count Low Limit in DataSheet */
 112 };
 113 #define W83792D_REG_FAN_CFG 0x84        /* FAN Configuration in DataSheet */
 114 static const u8 W83792D_REG_FAN_DIV[4] = {
 115         0x47,   /* contains FAN2 and FAN1 Divisor */
 116         0x5B,   /* contains FAN4 and FAN3 Divisor */
 117         0x5C,   /* contains FAN6 and FAN5 Divisor */
 118         0x9E    /* contains FAN7 Divisor. */
 119 };
 120 static const u8 W83792D_REG_PWM[7] = {
 121         0x81,   /* FAN 1 Duty Cycle, be used to control */
 122         0x83,   /* FAN 2 Duty Cycle, be used to control */
 123         0x94,   /* FAN 3 Duty Cycle, be used to control */
 124         0xA3,   /* FAN 4 Duty Cycle, be used to control */
 125         0xA4,   /* FAN 5 Duty Cycle, be used to control */
 126         0xA5,   /* FAN 6 Duty Cycle, be used to control */
 127         0xA6    /* FAN 7 Duty Cycle, be used to control */
 128 };
 129 #define W83792D_REG_BANK                0x4E
 130 #define W83792D_REG_TEMP2_CONFIG        0xC2
 131 #define W83792D_REG_TEMP3_CONFIG        0xCA
 132
 133 static const u8 W83792D_REG_TEMP1[3] = {
 134         0x27,   /* TEMP 1 in DataSheet */
 135         0x39,   /* TEMP 1 Over in DataSheet */
 136         0x3A,   /* TEMP 1 Hyst in DataSheet */
 137 };
 138
 139 static const u8 W83792D_REG_TEMP_ADD[2][6] = {
 140         { 0xC0,         /* TEMP 2 in DataSheet */
 141           0xC1,         /* TEMP 2(0.5 deg) in DataSheet */
 142           0xC5,         /* TEMP 2 Over High part in DataSheet */
 143           0xC6,         /* TEMP 2 Over Low part in DataSheet */
 144           0xC3,         /* TEMP 2 Thyst High part in DataSheet */
 145           0xC4 },       /* TEMP 2 Thyst Low part in DataSheet */
 146         { 0xC8,         /* TEMP 3 in DataSheet */
 147           0xC9,         /* TEMP 3(0.5 deg) in DataSheet */
 148           0xCD,         /* TEMP 3 Over High part in DataSheet */
 149           0xCE,         /* TEMP 3 Over Low part in DataSheet */
 150           0xCB,         /* TEMP 3 Thyst High part in DataSheet */
 151           0xCC }        /* TEMP 3 Thyst Low part in DataSheet */
 152 };
 153
 154 static const u8 W83792D_REG_THERMAL[3] = {
 155         0x85,   /* SmartFanI: Fan1 target value */
 156         0x86,   /* SmartFanI: Fan2 target value */
 157         0x96    /* SmartFanI: Fan3 target value */
 158 };
 159
 160 static const u8 W83792D_REG_TOLERANCE[3] = {
 161         0x87,   /* (bit3-0)SmartFan Fan1 tolerance */
 162         0x87,   /* (bit7-4)SmartFan Fan2 tolerance */
 163         0x97    /* (bit3-0)SmartFan Fan3 tolerance */
 164 };
 165
 166 static const u8 W83792D_REG_POINTS[3][4] = {
 167         { 0x85,         /* SmartFanII: Fan1 temp point 1 */
 168           0xE3,         /* SmartFanII: Fan1 temp point 2 */
 169           0xE4,         /* SmartFanII: Fan1 temp point 3 */
 170           0xE5 },       /* SmartFanII: Fan1 temp point 4 */
 171         { 0x86,         /* SmartFanII: Fan2 temp point 1 */
 172           0xE6,         /* SmartFanII: Fan2 temp point 2 */
 173           0xE7,         /* SmartFanII: Fan2 temp point 3 */
 174           0xE8 },       /* SmartFanII: Fan2 temp point 4 */
 175         { 0x96,         /* SmartFanII: Fan3 temp point 1 */
 176           0xE9,         /* SmartFanII: Fan3 temp point 2 */
 177           0xEA,         /* SmartFanII: Fan3 temp point 3 */
 178           0xEB }        /* SmartFanII: Fan3 temp point 4 */
 179 };
 180
 181 static const u8 W83792D_REG_LEVELS[3][4] = {
 182         { 0x88,         /* (bit3-0) SmartFanII: Fan1 Non-Stop */
 183           0x88,         /* (bit7-4) SmartFanII: Fan1 Level 1 */
 184           0xE0,         /* (bit7-4) SmartFanII: Fan1 Level 2 */
 185           0xE0 },       /* (bit3-0) SmartFanII: Fan1 Level 3 */
 186         { 0x89,         /* (bit3-0) SmartFanII: Fan2 Non-Stop */
 187           0x89,         /* (bit7-4) SmartFanII: Fan2 Level 1 */
 188           0xE1,         /* (bit7-4) SmartFanII: Fan2 Level 2 */
 189           0xE1 },       /* (bit3-0) SmartFanII: Fan2 Level 3 */
 190         { 0x98,         /* (bit3-0) SmartFanII: Fan3 Non-Stop */
 191           0x98,         /* (bit7-4) SmartFanII: Fan3 Level 1 */
 192           0xE2,         /* (bit7-4) SmartFanII: Fan3 Level 2 */
 193           0xE2 }        /* (bit3-0) SmartFanII: Fan3 Level 3 */
 194 };
 195
 196 #define W83792D_REG_GPIO_EN             0x1A
 197 #define W83792D_REG_CONFIG              0x40
 198 #define W83792D_REG_VID_FANDIV          0x47
 199 #define W83792D_REG_CHIPID              0x49
 200 #define W83792D_REG_WCHIPID             0x58
 201 #define W83792D_REG_CHIPMAN             0x4F
 202 #define W83792D_REG_PIN                 0x4B
 203 #define W83792D_REG_I2C_SUBADDR         0x4A
 204
 205 #define W83792D_REG_ALARM1 0xA9         /* realtime status register1 */
 206 #define W83792D_REG_ALARM2 0xAA         /* realtime status register2 */
 207 #define W83792D_REG_ALARM3 0xAB         /* realtime status register3 */
 208 #define W83792D_REG_CHASSIS 0x42        /* Bit 5: Case Open status bit */
 209 #define W83792D_REG_CHASSIS_CLR 0x44    /* Bit 7: Case Open CLR_CHS/Reset bit */
 210
 211 /* control in0/in1 's limit modifiability */
 212 #define W83792D_REG_VID_IN_B            0x17
 213
 214 #define W83792D_REG_VBAT                0x5D
 215 #define W83792D_REG_I2C_ADDR            0x48
 216
 217 /* Conversions. Rounding and limit checking is only done on the TO_REG
 218    variants. Note that you should be a bit careful with which arguments
 219    these macros are called: arguments may be evaluated more than once.
 220    Fixing this is just not worth it. */
 221 #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \
 222                                 ((((nr)==6)||((nr)==7))?(val*6):(val*4)))
 223 #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \
 224                                 ((((nr)==6)||((nr)==7))?(val/6):(val/4)))
 225
 226 static inline u8
 227 FAN_TO_REG(long rpm, int div)
 228 {
 229         if (rpm == 0)
 230                 return 255;
 231         rpm = SENSORS_LIMIT(rpm, 1, 1000000);
 232         return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 233 }
 234
 235 #define FAN_FROM_REG(val,div)   ((val) == 0   ? -1 : \
 236                                 ((val) == 255 ? 0 : \
 237                                                 1350000 / ((val) * (div))))
 238
 239 /* for temp1 */
 240 #define TEMP1_TO_REG(val)       (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
 241                                         : (val)) / 1000, 0, 0xff))
 242 #define TEMP1_FROM_REG(val)     (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
 243 /* for temp2 and temp3, because they need addtional resolution */
 244 #define TEMP_ADD_FROM_REG(val1, val2) \
 245         ((((val1) & 0x80 ? (val1)-0x100 \
 246                 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0))
 247 #define TEMP_ADD_TO_REG_HIGH(val) \
 248         (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
 249                         : (val)) / 1000, 0, 0xff))
 250 #define TEMP_ADD_TO_REG_LOW(val)        ((val%1000) ? 0x80 : 0x00)
 251
 252 #define PWM_FROM_REG(val)               (val)
 253 #define PWM_TO_REG(val)                 (SENSORS_LIMIT((val),0,255))
 254 #define DIV_FROM_REG(val)               (1 << (val))
 255
 256 static inline u8
 257 DIV_TO_REG(long val)
 258 {
 259         int i;
 260         val = SENSORS_LIMIT(val, 1, 128) >> 1;
 261         for (i = 0; i < 7; i++) {
 262                 if (val == 0)
 263                         break;
 264                 val >>= 1;
 265         }
 266         return ((u8) i);
 267 }
 268
 269 struct w83792d_data {
 270         struct i2c_client client;
 271         struct class_device *class_dev;
 272         enum chips type;
 273
 274         struct semaphore update_lock;
 275         char valid;             /* !=0 if following fields are valid */
 276         unsigned long last_updated;     /* In jiffies */
 277
 278         /* array of 2 pointers to subclients */
 279         struct i2c_client *lm75[2];
 280
 281         u8 in[9];               /* Register value */
 282         u8 in_max[9];           /* Register value */
 283         u8 in_min[9];           /* Register value */
 284         u16 low_bits;           /* Additional resolution to voltage in6-0 */
 285         u8 fan[7];              /* Register value */
 286         u8 fan_min[7];          /* Register value */
 287         u8 temp1[3];            /* current, over, thyst */
 288         u8 temp_add[2][6];      /* Register value */
 289         u8 fan_div[7];          /* Register encoding, shifted right */
 290         u8 pwm[7];              /* We only consider the first 3 set of pwm,
 291                                    although 792 chip has 7 set of pwm. */
 292         u8 pwmenable[3];
 293         u8 pwm_mode[7];         /* indicates PWM or DC mode: 1->PWM; 0->DC */
 294         u32 alarms;             /* realtime status register encoding,combined */
 295         u8 chassis;             /* Chassis status */
 296         u8 chassis_clear;       /* CLR_CHS, clear chassis intrusion detection */
 297         u8 thermal_cruise[3];   /* Smart FanI: Fan1,2,3 target value */
 298         u8 tolerance[3];        /* Fan1,2,3 tolerance(Smart Fan I/II) */
 299         u8 sf2_points[3][4];    /* Smart FanII: Fan1,2,3 temperature points */
 300         u8 sf2_levels[3][4];    /* Smart FanII: Fan1,2,3 duty cycle levels */
 301 };
 302
 303 static int w83792d_attach_adapter(struct i2c_adapter *adapter);
 304 static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind);
 305 static int w83792d_detach_client(struct i2c_client *client);
 306
 307 static int w83792d_read_value(struct i2c_client *client, u8 register);
 308 static int w83792d_write_value(struct i2c_client *client, u8 register,
 309                                 u8 value);
 310 static struct w83792d_data *w83792d_update_device(struct device *dev);
 311
 312 #ifdef DEBUG
 313 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev);
 314 #endif
 315
 316 static void w83792d_init_client(struct i2c_client *client);
 317
 318 static struct i2c_driver w83792d_driver = {
 319         .driver = {
 320                 .name = "w83792d",
 321         },
 322         .attach_adapter = w83792d_attach_adapter,
 323         .detach_client = w83792d_detach_client,
 324 };
 325
 326 static inline long in_count_from_reg(int nr, struct w83792d_data *data)
 327 {
 328         /* in7 and in8 do not have low bits, but the formula still works */
 329         return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03));
 330 }
 331
 332 /* following are the sysfs callback functions */
 333 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
 334                         char *buf)
 335 {
 336         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 337         int nr = sensor_attr->index;
 338         struct w83792d_data *data = w83792d_update_device(dev);
 339         return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data))));
 340 }
 341
 342 #define show_in_reg(reg) \
 343 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 344                         char *buf) \
 345 { \
 346         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
 347         int nr = sensor_attr->index; \
 348         struct w83792d_data *data = w83792d_update_device(dev); \
 349         return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \
 350 }
 351
 352 show_in_reg(in_min);
 353 show_in_reg(in_max);
 354
 355 #define store_in_reg(REG, reg) \
 356 static ssize_t store_in_##reg (struct device *dev, \
 357                                 struct device_attribute *attr, \
 358                                 const char *buf, size_t count) \
 359 { \
 360         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
 361         int nr = sensor_attr->index; \
 362         struct i2c_client *client = to_i2c_client(dev); \
 363         struct w83792d_data *data = i2c_get_clientdata(client); \
 364         u32 val; \
 365          \
 366         val = simple_strtoul(buf, NULL, 10); \
 367         data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \
 368         w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \
 369          \
 370         return count; \
 371 }
 372 store_in_reg(MIN, min);
 373 store_in_reg(MAX, max);
 374
 375 #define sysfs_in_reg(offset) \
 376 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \
 377                                 NULL, offset); \
 378 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
 379                                 show_in_min, store_in_min, offset); \
 380 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
 381                                 show_in_max, store_in_max, offset);
 382
 383 sysfs_in_reg(0);
 384 sysfs_in_reg(1);
 385 sysfs_in_reg(2);
 386 sysfs_in_reg(3);
 387 sysfs_in_reg(4);
 388 sysfs_in_reg(5);
 389 sysfs_in_reg(6);
 390 sysfs_in_reg(7);
 391 sysfs_in_reg(8);
 392
 393 #define device_create_file_in(client, offset) \
 394 do { \
 395 device_create_file(&client->dev, &sensor_dev_attr_in##offset##_input.dev_attr); \
 396 device_create_file(&client->dev, &sensor_dev_attr_in##offset##_max.dev_attr); \
 397 device_create_file(&client->dev, &sensor_dev_attr_in##offset##_min.dev_attr); \
 398 } while (0)
 399
 400 #define show_fan_reg(reg) \
 401 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
 402                         char *buf) \
 403 { \
 404         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
 405         int nr = sensor_attr->index - 1; \
 406         struct w83792d_data *data = w83792d_update_device(dev); \
 407         return sprintf(buf,"%d\n", \
 408                 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
 409 }
 410
 411 show_fan_reg(fan);
 412 show_fan_reg(fan_min);
 413
 414 static ssize_t
 415 store_fan_min(struct device *dev, struct device_attribute *attr,
 416                 const char *buf, size_t count)
 417 {
 418         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 419         int nr = sensor_attr->index - 1;
 420         struct i2c_client *client = to_i2c_client(dev);
 421         struct w83792d_data *data = i2c_get_clientdata(client);
 422         u32 val;
 423
 424         val = simple_strtoul(buf, NULL, 10);
 425         data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 426         w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
 427                                 data->fan_min[nr]);
 428
 429         return count;
 430 }
 431
 432 static ssize_t
 433 show_fan_div(struct device *dev, struct device_attribute *attr,
 434                 char *buf)
 435 {
 436         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 437         int nr = sensor_attr->index;
 438         struct w83792d_data *data = w83792d_update_device(dev);
 439         return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
 440 }
 441
 442 /* Note: we save and restore the fan minimum here, because its value is
 443    determined in part by the fan divisor.  This follows the principle of
 444    least suprise; the user doesn't expect the fan minimum to change just
 445    because the divisor changed. */
 446 static ssize_t
 447 store_fan_div(struct device *dev, struct device_attribute *attr,
 448                 const char *buf, size_t count)
 449 {
 450         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 451         int nr = sensor_attr->index - 1;
 452         struct i2c_client *client = to_i2c_client(dev);
 453         struct w83792d_data *data = i2c_get_clientdata(client);
 454         unsigned long min;
 455         /*u8 reg;*/
 456         u8 fan_div_reg = 0;
 457         u8 tmp_fan_div;
 458
 459         /* Save fan_min */
 460         min = FAN_FROM_REG(data->fan_min[nr],
 461                            DIV_FROM_REG(data->fan_div[nr]));
 462
 463         data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
 464
 465         fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
 466         fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
 467         tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70)
 468                                         : ((data->fan_div[nr]) & 0x07);
 469         w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1],
 470                                         fan_div_reg | tmp_fan_div);
 471
 472         /* Restore fan_min */
 473         data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 474         w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]);
 475
 476         return count;
 477 }
 478
 479 #define sysfs_fan(offset) \
 480 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
 481                                 offset); \
 482 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
 483                                 show_fan_div, store_fan_div, offset); \
 484 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
 485                                 show_fan_min, store_fan_min, offset);
 486
 487 sysfs_fan(1);
 488 sysfs_fan(2);
 489 sysfs_fan(3);
 490 sysfs_fan(4);
 491 sysfs_fan(5);
 492 sysfs_fan(6);
 493 sysfs_fan(7);
 494
 495 #define device_create_file_fan(client, offset) \
 496 do { \
 497 device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_input.dev_attr); \
 498 device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_div.dev_attr); \
 499 device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_min.dev_attr); \
 500 } while (0)
 501
 502
 503 /* read/write the temperature1, includes measured value and limits */
 504
 505 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr,
 506                                 char *buf)
 507 {
 508         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 509         int nr = sensor_attr->index;
 510         struct w83792d_data *data = w83792d_update_device(dev);
 511         return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr]));
 512 }
 513
 514 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
 515                                 const char *buf, size_t count)
 516 {
 517         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 518         int nr = sensor_attr->index;
 519         struct i2c_client *client = to_i2c_client(dev);
 520         struct w83792d_data *data = i2c_get_clientdata(client);
 521         s32 val;
 522
 523         val = simple_strtol(buf, NULL, 10);
 524
 525         data->temp1[nr] = TEMP1_TO_REG(val);
 526         w83792d_write_value(client, W83792D_REG_TEMP1[nr],
 527                 data->temp1[nr]);
 528
 529         return count;
 530 }
 531
 532
 533 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0);
 534 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1,
 535                                 store_temp1, 1);
 536 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1,
 537                                 store_temp1, 2);
 538
 539 #define device_create_file_temp1(client) \
 540 do { \
 541 device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); \
 542 device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); \
 543 device_create_file(&client->dev, &sensor_dev_attr_temp1_max_hyst.dev_attr); \
 544 } while (0)
 545
 546
 547 /* read/write the temperature2-3, includes measured value and limits */
 548
 549 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
 550                                 char *buf)
 551 {
 552         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 553         int nr = sensor_attr->nr;
 554         int index = sensor_attr->index;
 555         struct w83792d_data *data = w83792d_update_device(dev);
 556         return sprintf(buf,"%ld\n",
 557                 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
 558                         data->temp_add[nr][index+1]));
 559 }
 560
 561 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
 562                                 const char *buf, size_t count)
 563 {
 564         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 565         int nr = sensor_attr->nr;
 566         int index = sensor_attr->index;
 567         struct i2c_client *client = to_i2c_client(dev);
 568         struct w83792d_data *data = i2c_get_clientdata(client);
 569         s32 val;
 570
 571         val = simple_strtol(buf, NULL, 10);
 572
 573         data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
 574         data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
 575         w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index],
 576                 data->temp_add[nr][index]);
 577         w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1],
 578                 data->temp_add[nr][index+1]);
 579
 580         return count;
 581 }
 582
 583 #define sysfs_temp23(name,idx) \
 584 static SENSOR_DEVICE_ATTR_2(name##_input, S_IRUGO, show_temp23, NULL, \
 585                                 idx, 0); \
 586 static SENSOR_DEVICE_ATTR_2(name##_max, S_IRUGO | S_IWUSR, \
 587                                 show_temp23, store_temp23, idx, 2); \
 588 static SENSOR_DEVICE_ATTR_2(name##_max_hyst, S_IRUGO | S_IWUSR, \
 589                                 show_temp23, store_temp23, idx, 4);
 590
 591 sysfs_temp23(temp2,0)
 592 sysfs_temp23(temp3,1)
 593
 594 #define device_create_file_temp_add(client, offset) \
 595 do { \
 596 device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_input.dev_attr); \
 597 device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_max.dev_attr); \
 598 device_create_file(&client->dev, \
 599 &sensor_dev_attr_temp##offset##_max_hyst.dev_attr); \
 600 } while (0)
 601
 602
 603 /* get reatime status of all sensors items: voltage, temp, fan */
 604 static ssize_t
 605 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
 606 {
 607         struct w83792d_data *data = w83792d_update_device(dev);
 608         return sprintf(buf, "%d\n", data->alarms);
 609 }
 610
 611 static
 612 DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
 613 #define device_create_file_alarms(client) \
 614 device_create_file(&client->dev, &dev_attr_alarms);
 615
 616
 617
 618 static ssize_t
 619 show_pwm(struct device *dev, struct device_attribute *attr,
 620                 char *buf)
 621 {
 622         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 623         int nr = sensor_attr->index;
 624         struct w83792d_data *data = w83792d_update_device(dev);
 625         return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1]));
 626 }
 627
 628 static ssize_t
 629 show_pwmenable(struct device *dev, struct device_attribute *attr,
 630                         char *buf)
 631 {
 632         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 633         int nr = sensor_attr->index - 1;
 634         struct w83792d_data *data = w83792d_update_device(dev);
 635         long pwm_enable_tmp = 1;
 636
 637         switch (data->pwmenable[nr]) {
 638         case 0:
 639                 pwm_enable_tmp = 1; /* manual mode */
 640                 break;
 641         case 1:
 642                 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */
 643                 break;
 644         case 2:
 645                 pwm_enable_tmp = 2; /* Smart Fan II */
 646                 break;
 647         }
 648
 649         return sprintf(buf, "%ld\n", pwm_enable_tmp);
 650 }
 651
 652 static ssize_t
 653 store_pwm(struct device *dev, struct device_attribute *attr,
 654                 const char *buf, size_t count)
 655 {
 656         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 657         int nr = sensor_attr->index - 1;
 658         struct i2c_client *client = to_i2c_client(dev);
 659         struct w83792d_data *data = i2c_get_clientdata(client);
 660         u32 val;
 661
 662         val = simple_strtoul(buf, NULL, 10);
 663         data->pwm[nr] = PWM_TO_REG(val);
 664         w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]);
 665
 666         return count;
 667 }
 668
 669 static ssize_t
 670 store_pwmenable(struct device *dev, struct device_attribute *attr,
 671                         const char *buf, size_t count)
 672 {
 673         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 674         int nr = sensor_attr->index - 1;
 675         struct i2c_client *client = to_i2c_client(dev);
 676         struct w83792d_data *data = i2c_get_clientdata(client);
 677         u32 val;
 678         u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
 679
 680         val = simple_strtoul(buf, NULL, 10);
 681         switch (val) {
 682         case 1:
 683                 data->pwmenable[nr] = 0; /* manual mode */
 684                 break;
 685         case 2:
 686                 data->pwmenable[nr] = 2; /* Smart Fan II */
 687                 break;
 688         case 3:
 689                 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */
 690                 break;
 691         default:
 692                 return -EINVAL;
 693         }
 694         cfg1_tmp = data->pwmenable[0];
 695         cfg2_tmp = (data->pwmenable[1]) << 2;
 696         cfg3_tmp = (data->pwmenable[2]) << 4;
 697         cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0;
 698         fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
 699         w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
 700
 701         return count;
 702 }
 703
 704 #define sysfs_pwm(offset) \
 705 static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
 706                                 show_pwm, store_pwm, offset); \
 707 static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
 708                                 show_pwmenable, store_pwmenable, offset); \
 709
 710 sysfs_pwm(1);
 711 sysfs_pwm(2);
 712 sysfs_pwm(3);
 713
 714
 715 #define device_create_file_pwm(client, offset) \
 716 do { \
 717 device_create_file(&client->dev, &sensor_dev_attr_pwm##offset.dev_attr); \
 718 } while (0)
 719
 720 #define device_create_file_pwmenable(client, offset) \
 721 do { \
 722 device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_enable.dev_attr); \
 723 } while (0)
 724
 725
 726 static ssize_t
 727 show_pwm_mode(struct device *dev, struct device_attribute *attr,
 728                         char *buf)
 729 {
 730         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 731         int nr = sensor_attr->index;
 732         struct w83792d_data *data = w83792d_update_device(dev);
 733         return sprintf(buf, "%d\n", data->pwm_mode[nr-1]);
 734 }
 735
 736 static ssize_t
 737 store_pwm_mode(struct device *dev, struct device_attribute *attr,
 738                         const char *buf, size_t count)
 739 {
 740         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 741         int nr = sensor_attr->index - 1;
 742         struct i2c_client *client = to_i2c_client(dev);
 743         struct w83792d_data *data = i2c_get_clientdata(client);
 744         u32 val;
 745         u8 pwm_mode_mask = 0;
 746
 747         val = simple_strtoul(buf, NULL, 10);
 748         data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1);
 749         pwm_mode_mask = w83792d_read_value(client,
 750                 W83792D_REG_PWM[nr]) & 0x7f;
 751         w83792d_write_value(client, W83792D_REG_PWM[nr],
 752                 ((data->pwm_mode[nr]) << 7) | pwm_mode_mask);
 753
 754         return count;
 755 }
 756
 757 #define sysfs_pwm_mode(offset) \
 758 static SENSOR_DEVICE_ATTR(pwm##offset##_mode, S_IRUGO | S_IWUSR, \
 759                                 show_pwm_mode, store_pwm_mode, offset);
 760
 761 sysfs_pwm_mode(1);
 762 sysfs_pwm_mode(2);
 763 sysfs_pwm_mode(3);
 764
 765 #define device_create_file_pwm_mode(client, offset) \
 766 do { \
 767 device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_mode.dev_attr); \
 768 } while (0)
 769
 770
 771 static ssize_t
 772 show_regs_chassis(struct device *dev, struct device_attribute *attr,
 773                         char *buf)
 774 {
 775         struct w83792d_data *data = w83792d_update_device(dev);
 776         return sprintf(buf, "%d\n", data->chassis);
 777 }
 778
 779 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL);
 780
 781 #define device_create_file_chassis(client) \
 782 do { \
 783 device_create_file(&client->dev, &dev_attr_chassis); \
 784 } while (0)
 785
 786
 787 static ssize_t
 788 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf)
 789 {
 790         struct w83792d_data *data = w83792d_update_device(dev);
 791         return sprintf(buf, "%d\n", data->chassis_clear);
 792 }
 793
 794 static ssize_t
 795 store_chassis_clear(struct device *dev, struct device_attribute *attr,
 796                         const char *buf, size_t count)
 797 {
 798         struct i2c_client *client = to_i2c_client(dev);
 799         struct w83792d_data *data = i2c_get_clientdata(client);
 800         u32 val;
 801         u8 temp1 = 0, temp2 = 0;
 802
 803         val = simple_strtoul(buf, NULL, 10);
 804
 805         data->chassis_clear = SENSORS_LIMIT(val, 0 ,1);
 806         temp1 = ((data->chassis_clear) << 7) & 0x80;
 807         temp2 = w83792d_read_value(client,
 808                 W83792D_REG_CHASSIS_CLR) & 0x7f;
 809         w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2);
 810
 811         return count;
 812 }
 813
 814 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR,
 815                 show_chassis_clear, store_chassis_clear);
 816
 817 #define device_create_file_chassis_clear(client) \
 818 do { \
 819 device_create_file(&client->dev, &dev_attr_chassis_clear); \
 820 } while (0)
 821
 822
 823
 824 /* For Smart Fan I / Thermal Cruise */
 825 static ssize_t
 826 show_thermal_cruise(struct device *dev, struct device_attribute *attr,
 827                         char *buf)
 828 {
 829         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 830         int nr = sensor_attr->index;
 831         struct w83792d_data *data = w83792d_update_device(dev);
 832         return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]);
 833 }
 834
 835 static ssize_t
 836 store_thermal_cruise(struct device *dev, struct device_attribute *attr,
 837                         const char *buf, size_t count)
 838 {
 839         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 840         int nr = sensor_attr->index - 1;
 841         struct i2c_client *client = to_i2c_client(dev);
 842         struct w83792d_data *data = i2c_get_clientdata(client);
 843         u32 val;
 844         u8 target_tmp=0, target_mask=0;
 845
 846         val = simple_strtoul(buf, NULL, 10);
 847         target_tmp = val;
 848         target_tmp = target_tmp & 0x7f;
 849         target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80;
 850         data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255);
 851         w83792d_write_value(client, W83792D_REG_THERMAL[nr],
 852                 (data->thermal_cruise[nr]) | target_mask);
 853
 854         return count;
 855 }
 856
 857 #define sysfs_thermal_cruise(offset) \
 858 static SENSOR_DEVICE_ATTR(thermal_cruise##offset, S_IRUGO | S_IWUSR, \
 859                         show_thermal_cruise, store_thermal_cruise, offset);
 860
 861 sysfs_thermal_cruise(1);
 862 sysfs_thermal_cruise(2);
 863 sysfs_thermal_cruise(3);
 864
 865 #define device_create_file_thermal_cruise(client, offset) \
 866 do { \
 867 device_create_file(&client->dev, \
 868 &sensor_dev_attr_thermal_cruise##offset.dev_attr); \
 869 } while (0)
 870
 871
 872 /* For Smart Fan I/Thermal Cruise and Smart Fan II */
 873 static ssize_t
 874 show_tolerance(struct device *dev, struct device_attribute *attr,
 875                 char *buf)
 876 {
 877         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 878         int nr = sensor_attr->index;
 879         struct w83792d_data *data = w83792d_update_device(dev);
 880         return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]);
 881 }
 882
 883 static ssize_t
 884 store_tolerance(struct device *dev, struct device_attribute *attr,
 885                 const char *buf, size_t count)
 886 {
 887         struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 888         int nr = sensor_attr->index - 1;
 889         struct i2c_client *client = to_i2c_client(dev);
 890         struct w83792d_data *data = i2c_get_clientdata(client);
 891         u32 val;
 892         u8 tol_tmp, tol_mask;
 893
 894         val = simple_strtoul(buf, NULL, 10);
 895         tol_mask = w83792d_read_value(client,
 896                 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
 897         tol_tmp = SENSORS_LIMIT(val, 0, 15);
 898         tol_tmp &= 0x0f;
 899         data->tolerance[nr] = tol_tmp;
 900         if (nr == 1) {
 901                 tol_tmp <<= 4;
 902         }
 903         w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
 904                 tol_mask | tol_tmp);
 905
 906         return count;
 907 }
 908
 909 #define sysfs_tolerance(offset) \
 910 static SENSOR_DEVICE_ATTR(tolerance##offset, S_IRUGO | S_IWUSR, \
 911                                 show_tolerance, store_tolerance, offset);
 912
 913 sysfs_tolerance(1);
 914 sysfs_tolerance(2);
 915 sysfs_tolerance(3);
 916
 917 #define device_create_file_tolerance(client, offset) \
 918 do { \
 919 device_create_file(&client->dev, &sensor_dev_attr_tolerance##offset.dev_attr); \
 920 } while (0)
 921
 922
 923 /* For Smart Fan II */
 924 static ssize_t
 925 show_sf2_point(struct device *dev, struct device_attribute *attr,
 926                 char *buf)
 927 {
 928         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 929         int nr = sensor_attr->nr;
 930         int index = sensor_attr->index;
 931         struct w83792d_data *data = w83792d_update_device(dev);
 932         return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]);
 933 }
 934
 935 static ssize_t
 936 store_sf2_point(struct device *dev, struct device_attribute *attr,
 937                 const char *buf, size_t count)
 938 {
 939         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 940         int nr = sensor_attr->nr - 1;
 941         int index = sensor_attr->index - 1;
 942         struct i2c_client *client = to_i2c_client(dev);
 943         struct w83792d_data *data = i2c_get_clientdata(client);
 944         u32 val;
 945         u8 mask_tmp = 0;
 946
 947         val = simple_strtoul(buf, NULL, 10);
 948         data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127);
 949         mask_tmp = w83792d_read_value(client,
 950                                         W83792D_REG_POINTS[index][nr]) & 0x80;
 951         w83792d_write_value(client, W83792D_REG_POINTS[index][nr],
 952                 mask_tmp|data->sf2_points[index][nr]);
 953
 954         return count;
 955 }
 956
 957 #define sysfs_sf2_point(offset, index) \
 958 static SENSOR_DEVICE_ATTR_2(sf2_point##offset##_fan##index, S_IRUGO | S_IWUSR, \
 959                                 show_sf2_point, store_sf2_point, offset, index);
 960
 961 sysfs_sf2_point(1, 1);  /* Fan1 */
 962 sysfs_sf2_point(2, 1);  /* Fan1 */
 963 sysfs_sf2_point(3, 1);  /* Fan1 */
 964 sysfs_sf2_point(4, 1);  /* Fan1 */
 965 sysfs_sf2_point(1, 2);  /* Fan2 */
 966 sysfs_sf2_point(2, 2);  /* Fan2 */
 967 sysfs_sf2_point(3, 2);  /* Fan2 */
 968 sysfs_sf2_point(4, 2);  /* Fan2 */
 969 sysfs_sf2_point(1, 3);  /* Fan3 */
 970 sysfs_sf2_point(2, 3);  /* Fan3 */
 971 sysfs_sf2_point(3, 3);  /* Fan3 */
 972 sysfs_sf2_point(4, 3);  /* Fan3 */
 973
 974 #define device_create_file_sf2_point(client, offset, index) \
 975 do { \
 976 device_create_file(&client->dev, \
 977 &sensor_dev_attr_sf2_point##offset##_fan##index.dev_attr); \
 978 } while (0)
 979
 980
 981 static ssize_t
 982 show_sf2_level(struct device *dev, struct device_attribute *attr,
 983                 char *buf)
 984 {
 985         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 986         int nr = sensor_attr->nr;
 987         int index = sensor_attr->index;
 988         struct w83792d_data *data = w83792d_update_device(dev);
 989         return sprintf(buf, "%d\n",
 990                         (((data->sf2_levels[index-1][nr]) * 100) / 15));
 991 }
 992
 993 static ssize_t
 994 store_sf2_level(struct device *dev, struct device_attribute *attr,
 995                 const char *buf, size_t count)
 996 {
 997         struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
 998         int nr = sensor_attr->nr;
 999         int index = sensor_attr->index - 1;
1000         struct i2c_client *client = to_i2c_client(dev);
1001         struct w83792d_data *data = i2c_get_clientdata(client);
1002         u32 val;
1003         u8 mask_tmp=0, level_tmp=0;
1004
1005         val = simple_strtoul(buf, NULL, 10);
1006         data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15);
1007         mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
1008                 & ((nr==3) ? 0xf0 : 0x0f);
1009         if (nr==3) {
1010                 level_tmp = data->sf2_levels[index][nr];
1011         } else {
1012                 level_tmp = data->sf2_levels[index][nr] << 4;
1013         }
1014         w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp);
1015
1016         return count;
1017 }
1018
1019 #define sysfs_sf2_level(offset, index) \
1020 static SENSOR_DEVICE_ATTR_2(sf2_level##offset##_fan##index, S_IRUGO | S_IWUSR, \
1021                                 show_sf2_level, store_sf2_level, offset, index);
1022
1023 sysfs_sf2_level(1, 1);  /* Fan1 */
1024 sysfs_sf2_level(2, 1);  /* Fan1 */
1025 sysfs_sf2_level(3, 1);  /* Fan1 */
1026 sysfs_sf2_level(1, 2);  /* Fan2 */
1027 sysfs_sf2_level(2, 2);  /* Fan2 */
1028 sysfs_sf2_level(3, 2);  /* Fan2 */
1029 sysfs_sf2_level(1, 3);  /* Fan3 */
1030 sysfs_sf2_level(2, 3);  /* Fan3 */
1031 sysfs_sf2_level(3, 3);  /* Fan3 */
1032
1033 #define device_create_file_sf2_level(client, offset, index) \
1034 do { \
1035 device_create_file(&client->dev, \
1036 &sensor_dev_attr_sf2_level##offset##_fan##index.dev_attr); \
1037 } while (0)
1038
1039
1040 /* This function is called when:
1041      * w83792d_driver is inserted (when this module is loaded), for each
1042        available adapter
1043      * when a new adapter is inserted (and w83792d_driver is still present) */
1044 static int
1045 w83792d_attach_adapter(struct i2c_adapter *adapter)
1046 {
1047         if (!(adapter->class & I2C_CLASS_HWMON))
1048                 return 0;
1049         return i2c_probe(adapter, &addr_data, w83792d_detect);
1050 }
1051
1052
1053 static int
1054 w83792d_create_subclient(struct i2c_adapter *adapter,
1055                                 struct i2c_client *new_client, int addr,
1056                                 struct i2c_client **sub_cli)
1057 {
1058         int err;
1059         struct i2c_client *sub_client;
1060
1061         (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
1062         if (!(sub_client)) {
1063                 return -ENOMEM;
1064         }
1065         sub_client->addr = 0x48 + addr;
1066         i2c_set_clientdata(sub_client, NULL);
1067         sub_client->adapter = adapter;
1068         sub_client->driver = &w83792d_driver;
1069         sub_client->flags = 0;
1070         strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE);
1071         if ((err = i2c_attach_client(sub_client))) {
1072                 dev_err(&new_client->dev, "subclient registration "
1073                         "at address 0x%x failed\n", sub_client->addr);
1074                 kfree(sub_client);
1075                 return err;
1076         }
1077         return 0;
1078 }
1079
1080
1081 static int
1082 w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
1083                 struct i2c_client *new_client)
1084 {
1085         int i, id, err;
1086         u8 val;
1087         struct w83792d_data *data = i2c_get_clientdata(new_client);
1088
1089         id = i2c_adapter_id(adapter);
1090         if (force_subclients[0] == id && force_subclients[1] == address) {
1091                 for (i = 2; i <= 3; i++) {
1092                         if (force_subclients[i] < 0x48 ||
1093                             force_subclients[i] > 0x4f) {
1094                                 dev_err(&new_client->dev, "invalid subclient "
1095                                         "address %d; must be 0x48-0x4f\n",
1096                                         force_subclients[i]);
1097                                 err = -ENODEV;
1098                                 goto ERROR_SC_0;
1099                         }
1100                 }
1101                 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR,
1102                                         (force_subclients[2] & 0x07) |
1103                                         ((force_subclients[3] & 0x07) << 4));
1104         }
1105
1106         val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
1107         if (!(val & 0x08)) {
1108                 err = w83792d_create_subclient(adapter, new_client, val & 0x7,
1109                                                 &data->lm75[0]);
1110                 if (err < 0)
1111                         goto ERROR_SC_0;
1112         }
1113         if (!(val & 0x80)) {
1114                 if ((data->lm75[0] != NULL) &&
1115                         ((val & 0x7) == ((val >> 4) & 0x7))) {
1116                         dev_err(&new_client->dev, "duplicate addresses 0x%x, "
1117                                 "use force_subclient\n", data->lm75[0]->addr);
1118                         err = -ENODEV;
1119                         goto ERROR_SC_1;
1120                 }
1121                 err = w83792d_create_subclient(adapter, new_client,
1122                                                 (val >> 4) & 0x7, &data->lm75[1]);
1123                 if (err < 0)
1124                         goto ERROR_SC_1;
1125         }
1126
1127         return 0;
1128
1129 /* Undo inits in case of errors */
1130
1131 ERROR_SC_1:
1132         if (data->lm75[0] != NULL) {
1133                 i2c_detach_client(data->lm75[0]);
1134                 kfree(data->lm75[0]);
1135         }
1136 ERROR_SC_0:
1137         return err;
1138 }
1139
1140
1141 static int
1142 w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
1143 {
1144         int i = 0, val1 = 0, val2;
1145         struct i2c_client *new_client;
1146         struct w83792d_data *data;
1147         int err = 0;
1148         const char *client_name = "";
1149
1150         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1151                 goto ERROR0;
1152         }
1153
1154         /* OK. For now, we presume we have a valid client. We now create the
1155            client structure, even though we cannot fill it completely yet.
1156            But it allows us to access w83792d_{read,write}_value. */
1157
1158         if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
1159                 err = -ENOMEM;
1160                 goto ERROR0;
1161         }
1162
1163         new_client = &data->client;
1164         i2c_set_clientdata(new_client, data);
1165         new_client->addr = address;
1166         new_client->adapter = adapter;
1167         new_client->driver = &w83792d_driver;
1168         new_client->flags = 0;
1169
1170         /* Now, we do the remaining detection. */
1171
1172         /* The w83792d may be stuck in some other bank than bank 0. This may
1173            make reading other information impossible. Specify a force=... or
1174            force_*=... parameter, and the Winbond will be reset to the right
1175            bank. */
1176         if (kind < 0) {
1177                 if (w83792d_read_value(new_client, W83792D_REG_CONFIG) & 0x80) {
1178                         dev_warn(&new_client->dev, "Detection failed at step "
1179                                 "3\n");
1180                         goto ERROR1;
1181                 }
1182                 val1 = w83792d_read_value(new_client, W83792D_REG_BANK);
1183                 val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN);
1184                 /* Check for Winbond ID if in bank 0 */
1185                 if (!(val1 & 0x07)) {  /* is Bank0 */
1186                         if (((!(val1 & 0x80)) && (val2 != 0xa3)) ||
1187                              ((val1 & 0x80) && (val2 != 0x5c))) {
1188                                 goto ERROR1;
1189                         }
1190                 }
1191                 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
1192                    should match */
1193                 if (w83792d_read_value(new_client,
1194                                         W83792D_REG_I2C_ADDR) != address) {
1195                         dev_warn(&new_client->dev, "Detection failed "
1196                                 "at step 5\n");
1197                         goto ERROR1;
1198                 }
1199         }
1200
1201         /* We have either had a force parameter, or we have already detected the
1202            Winbond. Put it now into bank 0 and Vendor ID High Byte */
1203         w83792d_write_value(new_client,
1204                             W83792D_REG_BANK,
1205                             (w83792d_read_value(new_client,
1206                                 W83792D_REG_BANK) & 0x78) | 0x80);
1207
1208         /* Determine the chip type. */
1209         if (kind <= 0) {
1210                 /* get vendor ID */
1211                 val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN);
1212                 if (val2 != 0x5c) {  /* the vendor is NOT Winbond */
1213                         goto ERROR1;
1214                 }
1215                 val1 = w83792d_read_value(new_client, W83792D_REG_WCHIPID);
1216                 if (val1 == 0x7a) {
1217                         kind = w83792d;
1218                 } else {
1219                         if (kind == 0)
1220                                         dev_warn(&new_client->dev,
1221                                         "w83792d: Ignoring 'force' parameter for"
1222                                         " unknown chip at adapter %d, address"
1223                                         " 0x%02x\n", i2c_adapter_id(adapter),
1224                                         address);
1225                         goto ERROR1;
1226                 }
1227         }
1228
1229         if (kind == w83792d) {
1230                 client_name = "w83792d";
1231         } else {
1232                 dev_err(&new_client->dev, "w83792d: Internal error: unknown"
1233                                           " kind (%d)?!?", kind);
1234                 goto ERROR1;
1235         }
1236
1237         /* Fill in the remaining client fields and put into the global list */
1238         strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
1239         data->type = kind;
1240
1241         data->valid = 0;
1242         init_MUTEX(&data->update_lock);
1243
1244         /* Tell the I2C layer a new client has arrived */
1245         if ((err = i2c_attach_client(new_client)))
1246                 goto ERROR1;
1247
1248         if ((err = w83792d_detect_subclients(adapter, address,
1249                         kind, new_client)))
1250                 goto ERROR2;
1251
1252         /* Initialize the chip */
1253         w83792d_init_client(new_client);
1254
1255         /* A few vars need to be filled upon startup */
1256         for (i = 0; i < 7; i++) {
1257                 data->fan_min[i] = w83792d_read_value(new_client,
1258                                         W83792D_REG_FAN_MIN[i]);
1259         }
1260
1261         /* Register sysfs hooks */
1262         data->class_dev = hwmon_device_register(&new_client->dev);
1263         if (IS_ERR(data->class_dev)) {
1264                 err = PTR_ERR(data->class_dev);
1265                 goto ERROR3;
1266         }
1267         device_create_file_in(new_client, 0);
1268         device_create_file_in(new_client, 1);
1269         device_create_file_in(new_client, 2);
1270         device_create_file_in(new_client, 3);
1271         device_create_file_in(new_client, 4);
1272         device_create_file_in(new_client, 5);
1273         device_create_file_in(new_client, 6);
1274         device_create_file_in(new_client, 7);
1275         device_create_file_in(new_client, 8);
1276
1277         device_create_file_fan(new_client, 1);
1278         device_create_file_fan(new_client, 2);
1279         device_create_file_fan(new_client, 3);
1280
1281         /* Read GPIO enable register to check if pins for fan 4,5 are used as
1282            GPIO */
1283         val1 = w83792d_read_value(new_client, W83792D_REG_GPIO_EN);
1284         if (!(val1 & 0x40))
1285                 device_create_file_fan(new_client, 4);
1286         if (!(val1 & 0x20))
1287                 device_create_file_fan(new_client, 5);
1288
1289         val1 = w83792d_read_value(new_client, W83792D_REG_PIN);
1290         if (val1 & 0x40)
1291                 device_create_file_fan(new_client, 6);
1292         if (val1 & 0x04)
1293                 device_create_file_fan(new_client, 7);
1294
1295         device_create_file_temp1(new_client);           /* Temp1 */
1296         device_create_file_temp_add(new_client, 2);     /* Temp2 */
1297         device_create_file_temp_add(new_client, 3);     /* Temp3 */
1298
1299         device_create_file_alarms(new_client);
1300
1301         device_create_file_pwm(new_client, 1);
1302         device_create_file_pwm(new_client, 2);
1303         device_create_file_pwm(new_client, 3);
1304
1305         device_create_file_pwmenable(new_client, 1);
1306         device_create_file_pwmenable(new_client, 2);
1307         device_create_file_pwmenable(new_client, 3);
1308
1309         device_create_file_pwm_mode(new_client, 1);
1310         device_create_file_pwm_mode(new_client, 2);
1311         device_create_file_pwm_mode(new_client, 3);
1312
1313         device_create_file_chassis(new_client);
1314         device_create_file_chassis_clear(new_client);
1315
1316         device_create_file_thermal_cruise(new_client, 1);
1317         device_create_file_thermal_cruise(new_client, 2);
1318         device_create_file_thermal_cruise(new_client, 3);
1319
1320         device_create_file_tolerance(new_client, 1);
1321         device_create_file_tolerance(new_client, 2);
1322         device_create_file_tolerance(new_client, 3);
1323
1324         device_create_file_sf2_point(new_client, 1, 1); /* Fan1 */
1325         device_create_file_sf2_point(new_client, 2, 1); /* Fan1 */
1326         device_create_file_sf2_point(new_client, 3, 1); /* Fan1 */
1327         device_create_file_sf2_point(new_client, 4, 1); /* Fan1 */
1328         device_create_file_sf2_point(new_client, 1, 2); /* Fan2 */
1329         device_create_file_sf2_point(new_client, 2, 2); /* Fan2 */
1330         device_create_file_sf2_point(new_client, 3, 2); /* Fan2 */
1331         device_create_file_sf2_point(new_client, 4, 2); /* Fan2 */
1332         device_create_file_sf2_point(new_client, 1, 3); /* Fan3 */
1333         device_create_file_sf2_point(new_client, 2, 3); /* Fan3 */
1334         device_create_file_sf2_point(new_client, 3, 3); /* Fan3 */
1335         device_create_file_sf2_point(new_client, 4, 3); /* Fan3 */
1336
1337         device_create_file_sf2_level(new_client, 1, 1); /* Fan1 */
1338         device_create_file_sf2_level(new_client, 2, 1); /* Fan1 */
1339         device_create_file_sf2_level(new_client, 3, 1); /* Fan1 */
1340         device_create_file_sf2_level(new_client, 1, 2); /* Fan2 */
1341         device_create_file_sf2_level(new_client, 2, 2); /* Fan2 */
1342         device_create_file_sf2_level(new_client, 3, 2); /* Fan2 */
1343         device_create_file_sf2_level(new_client, 1, 3); /* Fan3 */
1344         device_create_file_sf2_level(new_client, 2, 3); /* Fan3 */
1345         device_create_file_sf2_level(new_client, 3, 3); /* Fan3 */
1346
1347         return 0;
1348
1349 ERROR3:
1350         if (data->lm75[0] != NULL) {
1351                 i2c_detach_client(data->lm75[0]);
1352                 kfree(data->lm75[0]);
1353         }
1354         if (data->lm75[1] != NULL) {
1355                 i2c_detach_client(data->lm75[1]);
1356                 kfree(data->lm75[1]);
1357         }
1358 ERROR2:
1359         i2c_detach_client(new_client);
1360 ERROR1:
1361         kfree(data);
1362 ERROR0:
1363         return err;
1364 }
1365
1366 static int
1367 w83792d_detach_client(struct i2c_client *client)
1368 {
1369         struct w83792d_data *data = i2c_get_clientdata(client);
1370         int err;
1371
1372         /* main client */
1373         if (data)
1374                 hwmon_device_unregister(data->class_dev);
1375
1376         if ((err = i2c_detach_client(client)))
1377                 return err;
1378
1379         /* main client */
1380         if (data)
1381                 kfree(data);
1382         /* subclient */
1383         else
1384                 kfree(client);
1385
1386         return 0;
1387 }
1388
1389 /* The SMBus locks itself. The Winbond W83792D chip has a bank register,
1390    but the driver only accesses registers in bank 0, so we don't have
1391    to switch banks and lock access between switches. */
1392 static int w83792d_read_value(struct i2c_client *client, u8 reg)
1393 {
1394         return i2c_smbus_read_byte_data(client, reg);
1395 }
1396
1397 static int w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
1398 {
1399         return i2c_smbus_write_byte_data(client, reg, value);
1400 }
1401
1402 static void
1403 w83792d_init_client(struct i2c_client *client)
1404 {
1405         u8 temp2_cfg, temp3_cfg, vid_in_b;
1406
1407         if (init) {
1408                 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
1409         }
1410         /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
1411            W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
1412              vin0/vin1 can be modified by user;
1413            W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
1414              vin0/vin1 auto-updated, can NOT be modified by user. */
1415         vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
1416         w83792d_write_value(client, W83792D_REG_VID_IN_B,
1417                             vid_in_b & 0xbf);
1418
1419         temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG);
1420         temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG);
1421         w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG,
1422                                 temp2_cfg & 0xe6);
1423         w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG,
1424                                 temp3_cfg & 0xe6);
1425
1426         /* Start monitoring */
1427         w83792d_write_value(client, W83792D_REG_CONFIG,
1428                             (w83792d_read_value(client,
1429                                                 W83792D_REG_CONFIG) & 0xf7)
1430                             | 0x01);
1431 }
1432
1433 static struct w83792d_data *w83792d_update_device(struct device *dev)
1434 {
1435         struct i2c_client *client = to_i2c_client(dev);
1436         struct w83792d_data *data = i2c_get_clientdata(client);
1437         int i, j;
1438         u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp;
1439
1440         down(&data->update_lock);
1441
1442         if (time_after
1443             (jiffies - data->last_updated, (unsigned long) (HZ * 3))
1444             || time_before(jiffies, data->last_updated) || !data->valid) {
1445                 dev_dbg(dev, "Starting device update\n");
1446
1447                 /* Update the voltages measured value and limits */
1448                 for (i = 0; i < 9; i++) {
1449                         data->in[i] = w83792d_read_value(client,
1450                                                 W83792D_REG_IN[i]);
1451                         data->in_max[i] = w83792d_read_value(client,
1452                                                 W83792D_REG_IN_MAX[i]);
1453                         data->in_min[i] = w83792d_read_value(client,
1454                                                 W83792D_REG_IN_MIN[i]);
1455                 }
1456                 data->low_bits = w83792d_read_value(client,
1457                                                 W83792D_REG_LOW_BITS1) +
1458                                  (w83792d_read_value(client,
1459                                                 W83792D_REG_LOW_BITS2) << 8);
1460                 for (i = 0; i < 7; i++) {
1461                         /* Update the Fan measured value and limits */
1462                         data->fan[i] = w83792d_read_value(client,
1463                                                 W83792D_REG_FAN[i]);
1464                         data->fan_min[i] = w83792d_read_value(client,
1465                                                 W83792D_REG_FAN_MIN[i]);
1466                         /* Update the PWM/DC Value and PWM/DC flag */
1467                         pwm_array_tmp[i] = w83792d_read_value(client,
1468                                                 W83792D_REG_PWM[i]);
1469                         data->pwm[i] = pwm_array_tmp[i] & 0x0f;
1470                         data->pwm_mode[i] = pwm_array_tmp[i] >> 7;
1471                 }
1472
1473                 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);
1474                 data->pwmenable[0] = reg_tmp & 0x03;
1475                 data->pwmenable[1] = (reg_tmp>>2) & 0x03;
1476                 data->pwmenable[2] = (reg_tmp>>4) & 0x03;
1477
1478                 for (i = 0; i < 3; i++) {
1479                         data->temp1[i] = w83792d_read_value(client,
1480                                                         W83792D_REG_TEMP1[i]);
1481                 }
1482                 for (i = 0; i < 2; i++) {
1483                         for (j = 0; j < 6; j++) {
1484                                 data->temp_add[i][j] = w83792d_read_value(
1485                                         client,W83792D_REG_TEMP_ADD[i][j]);
1486                         }
1487                 }
1488
1489                 /* Update the Fan Divisor */
1490                 for (i = 0; i < 4; i++) {
1491                         reg_array_tmp[i] = w83792d_read_value(client,
1492                                                         W83792D_REG_FAN_DIV[i]);
1493                 }
1494                 data->fan_div[0] = reg_array_tmp[0] & 0x07;
1495                 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07;
1496                 data->fan_div[2] = reg_array_tmp[1] & 0x07;
1497                 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07;
1498                 data->fan_div[4] = reg_array_tmp[2] & 0x07;
1499                 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07;
1500                 data->fan_div[6] = reg_array_tmp[3] & 0x07;
1501
1502                 /* Update the realtime status */
1503                 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) +
1504                         (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) +
1505                         (w83792d_read_value(client, W83792D_REG_ALARM3) << 16);
1506
1507                 /* Update CaseOpen status and it's CLR_CHS. */
1508                 data->chassis = (w83792d_read_value(client,
1509                         W83792D_REG_CHASSIS) >> 5) & 0x01;
1510                 data->chassis_clear = (w83792d_read_value(client,
1511                         W83792D_REG_CHASSIS_CLR) >> 7) & 0x01;
1512
1513                 /* Update Thermal Cruise/Smart Fan I target value */
1514                 for (i = 0; i < 3; i++) {
1515                         data->thermal_cruise[i] =
1516                                 w83792d_read_value(client,
1517                                 W83792D_REG_THERMAL[i]) & 0x7f;
1518                 }
1519
1520                 /* Update Smart Fan I/II tolerance */
1521                 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]);
1522                 data->tolerance[0] = reg_tmp & 0x0f;
1523                 data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
1524                 data->tolerance[2] = w83792d_read_value(client,
1525                                         W83792D_REG_TOLERANCE[2]) & 0x0f;
1526
1527                 /* Update Smart Fan II temperature points */
1528                 for (i = 0; i < 3; i++) {
1529                         for (j = 0; j < 4; j++) {
1530                                 data->sf2_points[i][j] = w83792d_read_value(
1531                                         client,W83792D_REG_POINTS[i][j]) & 0x7f;
1532                         }
1533                 }
1534
1535                 /* Update Smart Fan II duty cycle levels */
1536                 for (i = 0; i < 3; i++) {
1537                         reg_tmp = w83792d_read_value(client,
1538                                                 W83792D_REG_LEVELS[i][0]);
1539                         data->sf2_levels[i][0] = reg_tmp & 0x0f;
1540                         data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f;
1541                         reg_tmp = w83792d_read_value(client,
1542                                                 W83792D_REG_LEVELS[i][2]);
1543                         data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f;
1544                         data->sf2_levels[i][3] = reg_tmp & 0x0f;
1545                 }
1546
1547                 data->last_updated = jiffies;
1548                 data->valid = 1;
1549         }
1550
1551         up(&data->update_lock);
1552
1553 #ifdef DEBUG
1554         w83792d_print_debug(data, dev);
1555 #endif
1556
1557         return data;
1558 }
1559
1560 #ifdef DEBUG
1561 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
1562 {
1563         int i=0, j=0;
1564         dev_dbg(dev, "==========The following is the debug message...========\n");
1565         dev_dbg(dev, "9 set of Voltages: =====>\n");
1566         for (i=0; i<9; i++) {
1567                 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
1568                 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
1569                 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
1570         }
1571         dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
1572         dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
1573         dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
1574         for (i=0; i<7; i++) {
1575                 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
1576                 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
1577                 dev_dbg(dev, "pwm[%d]     is: 0x%x\n", i, data->pwm[i]);
1578                 dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]);
1579         }
1580         dev_dbg(dev, "3 set of Temperatures: =====>\n");
1581         for (i=0; i<3; i++) {
1582                 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
1583         }
1584
1585         for (i=0; i<2; i++) {
1586                 for (j=0; j<6; j++) {
1587                         dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
1588                                                         data->temp_add[i][j]);
1589                 }
1590         }
1591
1592         for (i=0; i<7; i++) {
1593                 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
1594         }
1595         dev_dbg(dev, "==========End of the debug message...==================\n");
1596         dev_dbg(dev, "\n");
1597 }
1598 #endif
1599
1600 static int __init
1601 sensors_w83792d_init(void)
1602 {
1603         return i2c_add_driver(&w83792d_driver);
1604 }
1605
1606 static void __exit
1607 sensors_w83792d_exit(void)
1608 {
1609         i2c_del_driver(&w83792d_driver);
1610 }
1611
1612 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
1613 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
1614 MODULE_LICENSE("GPL");
1615
1616 module_init(sensors_w83792d_init);
1617 module_exit(sensors_w83792d_exit);
1618