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 #include <linux/mutex.h> 47 48 /* Addresses to scan */ 49 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; 50 51 /* Insmod parameters */ 52 I2C_CLIENT_INSMOD_1(w83792d); 53 I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " 54 "{bus, clientaddr, subclientaddr1, subclientaddr2}"); 55 56 static int init; 57 module_param(init, bool, 0); 58 MODULE_PARM_DESC(init, "Set to one to force chip initialization"); 59 60 /* The W83792D registers */ 61 static const u8 W83792D_REG_IN[9] = { 62 0x20, /* Vcore A in DataSheet */ 63 0x21, /* Vcore B in DataSheet */ 64 0x22, /* VIN0 in DataSheet */ 65 0x23, /* VIN1 in DataSheet */ 66 0x24, /* VIN2 in DataSheet */ 67 0x25, /* VIN3 in DataSheet */ 68 0x26, /* 5VCC in DataSheet */ 69 0xB0, /* 5VSB in DataSheet */ 70 0xB1 /* VBAT in DataSheet */ 71 }; 72 #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ 73 #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ 74 static const u8 W83792D_REG_IN_MAX[9] = { 75 0x2B, /* Vcore A High Limit in DataSheet */ 76 0x2D, /* Vcore B High Limit in DataSheet */ 77 0x2F, /* VIN0 High Limit in DataSheet */ 78 0x31, /* VIN1 High Limit in DataSheet */ 79 0x33, /* VIN2 High Limit in DataSheet */ 80 0x35, /* VIN3 High Limit in DataSheet */ 81 0x37, /* 5VCC High Limit in DataSheet */ 82 0xB4, /* 5VSB High Limit in DataSheet */ 83 0xB6 /* VBAT High Limit in DataSheet */ 84 }; 85 static const u8 W83792D_REG_IN_MIN[9] = { 86 0x2C, /* Vcore A Low Limit in DataSheet */ 87 0x2E, /* Vcore B Low Limit in DataSheet */ 88 0x30, /* VIN0 Low Limit in DataSheet */ 89 0x32, /* VIN1 Low Limit in DataSheet */ 90 0x34, /* VIN2 Low Limit in DataSheet */ 91 0x36, /* VIN3 Low Limit in DataSheet */ 92 0x38, /* 5VCC Low Limit in DataSheet */ 93 0xB5, /* 5VSB Low Limit in DataSheet */ 94 0xB7 /* VBAT Low Limit in DataSheet */ 95 }; 96 static const u8 W83792D_REG_FAN[7] = { 97 0x28, /* FAN 1 Count in DataSheet */ 98 0x29, /* FAN 2 Count in DataSheet */ 99 0x2A, /* FAN 3 Count in DataSheet */ 100 0xB8, /* FAN 4 Count in DataSheet */ 101 0xB9, /* FAN 5 Count in DataSheet */ 102 0xBA, /* FAN 6 Count in DataSheet */ 103 0xBE /* FAN 7 Count in DataSheet */ 104 }; 105 static const u8 W83792D_REG_FAN_MIN[7] = { 106 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 107 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 108 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 109 0xBB, /* FAN 4 Count Low Limit in DataSheet */ 110 0xBC, /* FAN 5 Count Low Limit in DataSheet */ 111 0xBD, /* FAN 6 Count Low Limit in DataSheet */ 112 0xBF /* FAN 7 Count Low Limit in DataSheet */ 113 }; 114 #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ 115 static const u8 W83792D_REG_FAN_DIV[4] = { 116 0x47, /* contains FAN2 and FAN1 Divisor */ 117 0x5B, /* contains FAN4 and FAN3 Divisor */ 118 0x5C, /* contains FAN6 and FAN5 Divisor */ 119 0x9E /* contains FAN7 Divisor. */ 120 }; 121 static const u8 W83792D_REG_PWM[7] = { 122 0x81, /* FAN 1 Duty Cycle, be used to control */ 123 0x83, /* FAN 2 Duty Cycle, be used to control */ 124 0x94, /* FAN 3 Duty Cycle, be used to control */ 125 0xA3, /* FAN 4 Duty Cycle, be used to control */ 126 0xA4, /* FAN 5 Duty Cycle, be used to control */ 127 0xA5, /* FAN 6 Duty Cycle, be used to control */ 128 0xA6 /* FAN 7 Duty Cycle, be used to control */ 129 }; 130 #define W83792D_REG_BANK 0x4E 131 #define W83792D_REG_TEMP2_CONFIG 0xC2 132 #define W83792D_REG_TEMP3_CONFIG 0xCA 133 134 static const u8 W83792D_REG_TEMP1[3] = { 135 0x27, /* TEMP 1 in DataSheet */ 136 0x39, /* TEMP 1 Over in DataSheet */ 137 0x3A, /* TEMP 1 Hyst in DataSheet */ 138 }; 139 140 static const u8 W83792D_REG_TEMP_ADD[2][6] = { 141 { 0xC0, /* TEMP 2 in DataSheet */ 142 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 143 0xC5, /* TEMP 2 Over High part in DataSheet */ 144 0xC6, /* TEMP 2 Over Low part in DataSheet */ 145 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 146 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ 147 { 0xC8, /* TEMP 3 in DataSheet */ 148 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 149 0xCD, /* TEMP 3 Over High part in DataSheet */ 150 0xCE, /* TEMP 3 Over Low part in DataSheet */ 151 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 152 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ 153 }; 154 155 static const u8 W83792D_REG_THERMAL[3] = { 156 0x85, /* SmartFanI: Fan1 target value */ 157 0x86, /* SmartFanI: Fan2 target value */ 158 0x96 /* SmartFanI: Fan3 target value */ 159 }; 160 161 static const u8 W83792D_REG_TOLERANCE[3] = { 162 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ 163 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ 164 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ 165 }; 166 167 static const u8 W83792D_REG_POINTS[3][4] = { 168 { 0x85, /* SmartFanII: Fan1 temp point 1 */ 169 0xE3, /* SmartFanII: Fan1 temp point 2 */ 170 0xE4, /* SmartFanII: Fan1 temp point 3 */ 171 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ 172 { 0x86, /* SmartFanII: Fan2 temp point 1 */ 173 0xE6, /* SmartFanII: Fan2 temp point 2 */ 174 0xE7, /* SmartFanII: Fan2 temp point 3 */ 175 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ 176 { 0x96, /* SmartFanII: Fan3 temp point 1 */ 177 0xE9, /* SmartFanII: Fan3 temp point 2 */ 178 0xEA, /* SmartFanII: Fan3 temp point 3 */ 179 0xEB } /* SmartFanII: Fan3 temp point 4 */ 180 }; 181 182 static const u8 W83792D_REG_LEVELS[3][4] = { 183 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ 184 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ 185 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ 186 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ 187 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ 188 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ 189 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ 190 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ 191 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ 192 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ 193 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ 194 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ 195 }; 196 197 #define W83792D_REG_GPIO_EN 0x1A 198 #define W83792D_REG_CONFIG 0x40 199 #define W83792D_REG_VID_FANDIV 0x47 200 #define W83792D_REG_CHIPID 0x49 201 #define W83792D_REG_WCHIPID 0x58 202 #define W83792D_REG_CHIPMAN 0x4F 203 #define W83792D_REG_PIN 0x4B 204 #define W83792D_REG_I2C_SUBADDR 0x4A 205 206 #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ 207 #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ 208 #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ 209 #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ 210 #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ 211 212 /* control in0/in1 's limit modifiability */ 213 #define W83792D_REG_VID_IN_B 0x17 214 215 #define W83792D_REG_VBAT 0x5D 216 #define W83792D_REG_I2C_ADDR 0x48 217 218 /* Conversions. Rounding and limit checking is only done on the TO_REG 219 variants. Note that you should be a bit careful with which arguments 220 these macros are called: arguments may be evaluated more than once. 221 Fixing this is just not worth it. */ 222 #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ 223 ((((nr)==6)||((nr)==7))?(val*6):(val*4))) 224 #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ 225 ((((nr)==6)||((nr)==7))?(val/6):(val/4))) 226 227 static inline u8 228 FAN_TO_REG(long rpm, int div) 229 { 230 if (rpm == 0) 231 return 255; 232 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 233 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 234 } 235 236 #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ 237 ((val) == 255 ? 0 : \ 238 1350000 / ((val) * (div)))) 239 240 /* for temp1 */ 241 #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 242 : (val)) / 1000, 0, 0xff)) 243 #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) 244 /* for temp2 and temp3, because they need addtional resolution */ 245 #define TEMP_ADD_FROM_REG(val1, val2) \ 246 ((((val1) & 0x80 ? (val1)-0x100 \ 247 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) 248 #define TEMP_ADD_TO_REG_HIGH(val) \ 249 (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 250 : (val)) / 1000, 0, 0xff)) 251 #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) 252 253 #define DIV_FROM_REG(val) (1 << (val)) 254 255 static inline u8 256 DIV_TO_REG(long val) 257 { 258 int i; 259 val = SENSORS_LIMIT(val, 1, 128) >> 1; 260 for (i = 0; i < 7; i++) { 261 if (val == 0) 262 break; 263 val >>= 1; 264 } 265 return ((u8) i); 266 } 267 268 struct w83792d_data { 269 struct i2c_client client; 270 struct class_device *class_dev; 271 enum chips type; 272 273 struct mutex update_lock; 274 char valid; /* !=0 if following fields are valid */ 275 unsigned long last_updated; /* In jiffies */ 276 277 /* array of 2 pointers to subclients */ 278 struct i2c_client *lm75[2]; 279 280 u8 in[9]; /* Register value */ 281 u8 in_max[9]; /* Register value */ 282 u8 in_min[9]; /* Register value */ 283 u16 low_bits; /* Additional resolution to voltage in6-0 */ 284 u8 fan[7]; /* Register value */ 285 u8 fan_min[7]; /* Register value */ 286 u8 temp1[3]; /* current, over, thyst */ 287 u8 temp_add[2][6]; /* Register value */ 288 u8 fan_div[7]; /* Register encoding, shifted right */ 289 u8 pwm[7]; /* We only consider the first 3 set of pwm, 290 although 792 chip has 7 set of pwm. */ 291 u8 pwmenable[3]; 292 u32 alarms; /* realtime status register encoding,combined */ 293 u8 chassis; /* Chassis status */ 294 u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ 295 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ 296 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ 297 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ 298 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ 299 }; 300 301 static int w83792d_attach_adapter(struct i2c_adapter *adapter); 302 static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); 303 static int w83792d_detach_client(struct i2c_client *client); 304 static struct w83792d_data *w83792d_update_device(struct device *dev); 305 306 #ifdef DEBUG 307 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); 308 #endif 309 310 static void w83792d_init_client(struct i2c_client *client); 311 312 static struct i2c_driver w83792d_driver = { 313 .driver = { 314 .name = "w83792d", 315 }, 316 .attach_adapter = w83792d_attach_adapter, 317 .detach_client = w83792d_detach_client, 318 }; 319 320 static inline long in_count_from_reg(int nr, struct w83792d_data *data) 321 { 322 /* in7 and in8 do not have low bits, but the formula still works */ 323 return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); 324 } 325 326 /* The SMBus locks itself. The Winbond W83792D chip has a bank register, 327 but the driver only accesses registers in bank 0, so we don't have 328 to switch banks and lock access between switches. */ 329 static inline int w83792d_read_value(struct i2c_client *client, u8 reg) 330 { 331 return i2c_smbus_read_byte_data(client, reg); 332 } 333 334 static inline int 335 w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) 336 { 337 return i2c_smbus_write_byte_data(client, reg, value); 338 } 339 340 /* following are the sysfs callback functions */ 341 static ssize_t show_in(struct device *dev, struct device_attribute *attr, 342 char *buf) 343 { 344 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 345 int nr = sensor_attr->index; 346 struct w83792d_data *data = w83792d_update_device(dev); 347 return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); 348 } 349 350 #define show_in_reg(reg) \ 351 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 352 char *buf) \ 353 { \ 354 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 355 int nr = sensor_attr->index; \ 356 struct w83792d_data *data = w83792d_update_device(dev); \ 357 return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ 358 } 359 360 show_in_reg(in_min); 361 show_in_reg(in_max); 362 363 #define store_in_reg(REG, reg) \ 364 static ssize_t store_in_##reg (struct device *dev, \ 365 struct device_attribute *attr, \ 366 const char *buf, size_t count) \ 367 { \ 368 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 369 int nr = sensor_attr->index; \ 370 struct i2c_client *client = to_i2c_client(dev); \ 371 struct w83792d_data *data = i2c_get_clientdata(client); \ 372 u32 val; \ 373 \ 374 val = simple_strtoul(buf, NULL, 10); \ 375 mutex_lock(&data->update_lock); \ 376 data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ 377 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 378 mutex_unlock(&data->update_lock); \ 379 \ 380 return count; \ 381 } 382 store_in_reg(MIN, min); 383 store_in_reg(MAX, max); 384 385 static struct sensor_device_attribute sda_in_input[] = { 386 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 387 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 388 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 389 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 390 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 391 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 392 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 393 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 394 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 395 }; 396 static struct sensor_device_attribute sda_in_min[] = { 397 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 398 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 399 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 400 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 401 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 402 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 403 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 404 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 405 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 406 }; 407 static struct sensor_device_attribute sda_in_max[] = { 408 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 409 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 410 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 411 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 412 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 413 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 414 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 415 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 416 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 417 }; 418 419 420 #define show_fan_reg(reg) \ 421 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ 422 char *buf) \ 423 { \ 424 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 425 int nr = sensor_attr->index - 1; \ 426 struct w83792d_data *data = w83792d_update_device(dev); \ 427 return sprintf(buf,"%d\n", \ 428 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 429 } 430 431 show_fan_reg(fan); 432 show_fan_reg(fan_min); 433 434 static ssize_t 435 store_fan_min(struct device *dev, struct device_attribute *attr, 436 const char *buf, size_t count) 437 { 438 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 439 int nr = sensor_attr->index - 1; 440 struct i2c_client *client = to_i2c_client(dev); 441 struct w83792d_data *data = i2c_get_clientdata(client); 442 u32 val; 443 444 val = simple_strtoul(buf, NULL, 10); 445 mutex_lock(&data->update_lock); 446 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 447 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], 448 data->fan_min[nr]); 449 mutex_unlock(&data->update_lock); 450 451 return count; 452 } 453 454 static ssize_t 455 show_fan_div(struct device *dev, struct device_attribute *attr, 456 char *buf) 457 { 458 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 459 int nr = sensor_attr->index; 460 struct w83792d_data *data = w83792d_update_device(dev); 461 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); 462 } 463 464 /* Note: we save and restore the fan minimum here, because its value is 465 determined in part by the fan divisor. This follows the principle of 466 least surprise; the user doesn't expect the fan minimum to change just 467 because the divisor changed. */ 468 static ssize_t 469 store_fan_div(struct device *dev, struct device_attribute *attr, 470 const char *buf, size_t count) 471 { 472 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 473 int nr = sensor_attr->index - 1; 474 struct i2c_client *client = to_i2c_client(dev); 475 struct w83792d_data *data = i2c_get_clientdata(client); 476 unsigned long min; 477 /*u8 reg;*/ 478 u8 fan_div_reg = 0; 479 u8 tmp_fan_div; 480 481 /* Save fan_min */ 482 mutex_lock(&data->update_lock); 483 min = FAN_FROM_REG(data->fan_min[nr], 484 DIV_FROM_REG(data->fan_div[nr])); 485 486 data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); 487 488 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); 489 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; 490 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) 491 : ((data->fan_div[nr]) & 0x07); 492 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], 493 fan_div_reg | tmp_fan_div); 494 495 /* Restore fan_min */ 496 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 497 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); 498 mutex_unlock(&data->update_lock); 499 500 return count; 501 } 502 503 static struct sensor_device_attribute sda_fan_input[] = { 504 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1), 505 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2), 506 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3), 507 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4), 508 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5), 509 SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6), 510 SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7), 511 }; 512 static struct sensor_device_attribute sda_fan_min[] = { 513 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1), 514 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2), 515 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3), 516 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4), 517 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5), 518 SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6), 519 SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7), 520 }; 521 static struct sensor_device_attribute sda_fan_div[] = { 522 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1), 523 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2), 524 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3), 525 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4), 526 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5), 527 SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6), 528 SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7), 529 }; 530 531 532 /* read/write the temperature1, includes measured value and limits */ 533 534 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, 535 char *buf) 536 { 537 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 538 int nr = sensor_attr->index; 539 struct w83792d_data *data = w83792d_update_device(dev); 540 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); 541 } 542 543 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, 544 const char *buf, size_t count) 545 { 546 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 547 int nr = sensor_attr->index; 548 struct i2c_client *client = to_i2c_client(dev); 549 struct w83792d_data *data = i2c_get_clientdata(client); 550 s32 val; 551 552 val = simple_strtol(buf, NULL, 10); 553 mutex_lock(&data->update_lock); 554 data->temp1[nr] = TEMP1_TO_REG(val); 555 w83792d_write_value(client, W83792D_REG_TEMP1[nr], 556 data->temp1[nr]); 557 mutex_unlock(&data->update_lock); 558 559 return count; 560 } 561 562 /* read/write the temperature2-3, includes measured value and limits */ 563 564 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, 565 char *buf) 566 { 567 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 568 int nr = sensor_attr->nr; 569 int index = sensor_attr->index; 570 struct w83792d_data *data = w83792d_update_device(dev); 571 return sprintf(buf,"%ld\n", 572 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], 573 data->temp_add[nr][index+1])); 574 } 575 576 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 577 const char *buf, size_t count) 578 { 579 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 580 int nr = sensor_attr->nr; 581 int index = sensor_attr->index; 582 struct i2c_client *client = to_i2c_client(dev); 583 struct w83792d_data *data = i2c_get_clientdata(client); 584 s32 val; 585 586 val = simple_strtol(buf, NULL, 10); 587 mutex_lock(&data->update_lock); 588 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); 589 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); 590 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], 591 data->temp_add[nr][index]); 592 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], 593 data->temp_add[nr][index+1]); 594 mutex_unlock(&data->update_lock); 595 596 return count; 597 } 598 599 static struct sensor_device_attribute_2 sda_temp_input[] = { 600 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 601 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 602 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 603 }; 604 605 static struct sensor_device_attribute_2 sda_temp_max[] = { 606 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1), 607 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2), 608 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2), 609 }; 610 611 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 612 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2), 613 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4), 614 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4), 615 }; 616 617 /* get reatime status of all sensors items: voltage, temp, fan */ 618 static ssize_t 619 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 620 { 621 struct w83792d_data *data = w83792d_update_device(dev); 622 return sprintf(buf, "%d\n", data->alarms); 623 } 624 625 static 626 DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 627 628 static ssize_t 629 show_pwm(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; 634 struct w83792d_data *data = w83792d_update_device(dev); 635 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); 636 } 637 638 static ssize_t 639 show_pwmenable(struct device *dev, struct device_attribute *attr, 640 char *buf) 641 { 642 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 643 int nr = sensor_attr->index - 1; 644 struct w83792d_data *data = w83792d_update_device(dev); 645 long pwm_enable_tmp = 1; 646 647 switch (data->pwmenable[nr]) { 648 case 0: 649 pwm_enable_tmp = 1; /* manual mode */ 650 break; 651 case 1: 652 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ 653 break; 654 case 2: 655 pwm_enable_tmp = 2; /* Smart Fan II */ 656 break; 657 } 658 659 return sprintf(buf, "%ld\n", pwm_enable_tmp); 660 } 661 662 static ssize_t 663 store_pwm(struct device *dev, struct device_attribute *attr, 664 const char *buf, size_t count) 665 { 666 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 667 int nr = sensor_attr->index; 668 struct i2c_client *client = to_i2c_client(dev); 669 struct w83792d_data *data = i2c_get_clientdata(client); 670 u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; 671 672 mutex_lock(&data->update_lock); 673 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; 674 data->pwm[nr] = val; 675 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 676 mutex_unlock(&data->update_lock); 677 678 return count; 679 } 680 681 static ssize_t 682 store_pwmenable(struct device *dev, struct device_attribute *attr, 683 const char *buf, size_t count) 684 { 685 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 686 int nr = sensor_attr->index - 1; 687 struct i2c_client *client = to_i2c_client(dev); 688 struct w83792d_data *data = i2c_get_clientdata(client); 689 u32 val; 690 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; 691 692 val = simple_strtoul(buf, NULL, 10); 693 if (val < 1 || val > 3) 694 return -EINVAL; 695 696 mutex_lock(&data->update_lock); 697 switch (val) { 698 case 1: 699 data->pwmenable[nr] = 0; /* manual mode */ 700 break; 701 case 2: 702 data->pwmenable[nr] = 2; /* Smart Fan II */ 703 break; 704 case 3: 705 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ 706 break; 707 } 708 cfg1_tmp = data->pwmenable[0]; 709 cfg2_tmp = (data->pwmenable[1]) << 2; 710 cfg3_tmp = (data->pwmenable[2]) << 4; 711 cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; 712 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; 713 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); 714 mutex_unlock(&data->update_lock); 715 716 return count; 717 } 718 719 static struct sensor_device_attribute sda_pwm[] = { 720 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), 721 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), 722 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), 723 }; 724 static struct sensor_device_attribute sda_pwm_enable[] = { 725 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 726 show_pwmenable, store_pwmenable, 1), 727 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 728 show_pwmenable, store_pwmenable, 2), 729 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 730 show_pwmenable, store_pwmenable, 3), 731 }; 732 733 734 static ssize_t 735 show_pwm_mode(struct device *dev, struct device_attribute *attr, 736 char *buf) 737 { 738 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 739 int nr = sensor_attr->index; 740 struct w83792d_data *data = w83792d_update_device(dev); 741 return sprintf(buf, "%d\n", data->pwm[nr] >> 7); 742 } 743 744 static ssize_t 745 store_pwm_mode(struct device *dev, struct device_attribute *attr, 746 const char *buf, size_t count) 747 { 748 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 749 int nr = sensor_attr->index; 750 struct i2c_client *client = to_i2c_client(dev); 751 struct w83792d_data *data = i2c_get_clientdata(client); 752 u32 val; 753 754 val = simple_strtoul(buf, NULL, 10); 755 if (val != 0 && val != 1) 756 return -EINVAL; 757 758 mutex_lock(&data->update_lock); 759 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); 760 if (val) { /* PWM mode */ 761 data->pwm[nr] |= 0x80; 762 } else { /* DC mode */ 763 data->pwm[nr] &= 0x7f; 764 } 765 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 766 mutex_unlock(&data->update_lock); 767 768 return count; 769 } 770 771 static struct sensor_device_attribute sda_pwm_mode[] = { 772 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, 773 show_pwm_mode, store_pwm_mode, 0), 774 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, 775 show_pwm_mode, store_pwm_mode, 1), 776 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, 777 show_pwm_mode, store_pwm_mode, 2), 778 }; 779 780 781 static ssize_t 782 show_regs_chassis(struct device *dev, struct device_attribute *attr, 783 char *buf) 784 { 785 struct w83792d_data *data = w83792d_update_device(dev); 786 return sprintf(buf, "%d\n", data->chassis); 787 } 788 789 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); 790 791 static ssize_t 792 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) 793 { 794 struct w83792d_data *data = w83792d_update_device(dev); 795 return sprintf(buf, "%d\n", data->chassis_clear); 796 } 797 798 static ssize_t 799 store_chassis_clear(struct device *dev, struct device_attribute *attr, 800 const char *buf, size_t count) 801 { 802 struct i2c_client *client = to_i2c_client(dev); 803 struct w83792d_data *data = i2c_get_clientdata(client); 804 u32 val; 805 u8 temp1 = 0, temp2 = 0; 806 807 val = simple_strtoul(buf, NULL, 10); 808 mutex_lock(&data->update_lock); 809 data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); 810 temp1 = ((data->chassis_clear) << 7) & 0x80; 811 temp2 = w83792d_read_value(client, 812 W83792D_REG_CHASSIS_CLR) & 0x7f; 813 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); 814 mutex_unlock(&data->update_lock); 815 816 return count; 817 } 818 819 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, 820 show_chassis_clear, store_chassis_clear); 821 822 /* For Smart Fan I / Thermal Cruise */ 823 static ssize_t 824 show_thermal_cruise(struct device *dev, struct device_attribute *attr, 825 char *buf) 826 { 827 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 828 int nr = sensor_attr->index; 829 struct w83792d_data *data = w83792d_update_device(dev); 830 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); 831 } 832 833 static ssize_t 834 store_thermal_cruise(struct device *dev, struct device_attribute *attr, 835 const char *buf, size_t count) 836 { 837 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 838 int nr = sensor_attr->index - 1; 839 struct i2c_client *client = to_i2c_client(dev); 840 struct w83792d_data *data = i2c_get_clientdata(client); 841 u32 val; 842 u8 target_tmp=0, target_mask=0; 843 844 val = simple_strtoul(buf, NULL, 10); 845 target_tmp = val; 846 target_tmp = target_tmp & 0x7f; 847 mutex_lock(&data->update_lock); 848 target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; 849 data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); 850 w83792d_write_value(client, W83792D_REG_THERMAL[nr], 851 (data->thermal_cruise[nr]) | target_mask); 852 mutex_unlock(&data->update_lock); 853 854 return count; 855 } 856 857 static struct sensor_device_attribute sda_thermal_cruise[] = { 858 SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, 859 show_thermal_cruise, store_thermal_cruise, 1), 860 SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, 861 show_thermal_cruise, store_thermal_cruise, 2), 862 SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, 863 show_thermal_cruise, store_thermal_cruise, 3), 864 }; 865 866 /* For Smart Fan I/Thermal Cruise and Smart Fan II */ 867 static ssize_t 868 show_tolerance(struct device *dev, struct device_attribute *attr, 869 char *buf) 870 { 871 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 872 int nr = sensor_attr->index; 873 struct w83792d_data *data = w83792d_update_device(dev); 874 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); 875 } 876 877 static ssize_t 878 store_tolerance(struct device *dev, struct device_attribute *attr, 879 const char *buf, size_t count) 880 { 881 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 882 int nr = sensor_attr->index - 1; 883 struct i2c_client *client = to_i2c_client(dev); 884 struct w83792d_data *data = i2c_get_clientdata(client); 885 u32 val; 886 u8 tol_tmp, tol_mask; 887 888 val = simple_strtoul(buf, NULL, 10); 889 mutex_lock(&data->update_lock); 890 tol_mask = w83792d_read_value(client, 891 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); 892 tol_tmp = SENSORS_LIMIT(val, 0, 15); 893 tol_tmp &= 0x0f; 894 data->tolerance[nr] = tol_tmp; 895 if (nr == 1) { 896 tol_tmp <<= 4; 897 } 898 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], 899 tol_mask | tol_tmp); 900 mutex_unlock(&data->update_lock); 901 902 return count; 903 } 904 905 static struct sensor_device_attribute sda_tolerance[] = { 906 SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO, 907 show_tolerance, store_tolerance, 1), 908 SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO, 909 show_tolerance, store_tolerance, 2), 910 SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO, 911 show_tolerance, store_tolerance, 3), 912 }; 913 914 /* For Smart Fan II */ 915 static ssize_t 916 show_sf2_point(struct device *dev, struct device_attribute *attr, 917 char *buf) 918 { 919 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 920 int nr = sensor_attr->nr; 921 int index = sensor_attr->index; 922 struct w83792d_data *data = w83792d_update_device(dev); 923 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); 924 } 925 926 static ssize_t 927 store_sf2_point(struct device *dev, struct device_attribute *attr, 928 const char *buf, size_t count) 929 { 930 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 931 int nr = sensor_attr->nr - 1; 932 int index = sensor_attr->index - 1; 933 struct i2c_client *client = to_i2c_client(dev); 934 struct w83792d_data *data = i2c_get_clientdata(client); 935 u32 val; 936 u8 mask_tmp = 0; 937 938 val = simple_strtoul(buf, NULL, 10); 939 mutex_lock(&data->update_lock); 940 data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); 941 mask_tmp = w83792d_read_value(client, 942 W83792D_REG_POINTS[index][nr]) & 0x80; 943 w83792d_write_value(client, W83792D_REG_POINTS[index][nr], 944 mask_tmp|data->sf2_points[index][nr]); 945 mutex_unlock(&data->update_lock); 946 947 return count; 948 } 949 950 static struct sensor_device_attribute_2 sda_sf2_point[] = { 951 SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, 952 show_sf2_point, store_sf2_point, 1, 1), 953 SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, 954 show_sf2_point, store_sf2_point, 2, 1), 955 SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, 956 show_sf2_point, store_sf2_point, 3, 1), 957 SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, 958 show_sf2_point, store_sf2_point, 4, 1), 959 960 SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, 961 show_sf2_point, store_sf2_point, 1, 2), 962 SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, 963 show_sf2_point, store_sf2_point, 2, 2), 964 SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, 965 show_sf2_point, store_sf2_point, 3, 2), 966 SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, 967 show_sf2_point, store_sf2_point, 4, 2), 968 969 SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, 970 show_sf2_point, store_sf2_point, 1, 3), 971 SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, 972 show_sf2_point, store_sf2_point, 2, 3), 973 SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, 974 show_sf2_point, store_sf2_point, 3, 3), 975 SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, 976 show_sf2_point, store_sf2_point, 4, 3), 977 }; 978 979 980 static ssize_t 981 show_sf2_level(struct device *dev, struct device_attribute *attr, 982 char *buf) 983 { 984 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 985 int nr = sensor_attr->nr; 986 int index = sensor_attr->index; 987 struct w83792d_data *data = w83792d_update_device(dev); 988 return sprintf(buf, "%d\n", 989 (((data->sf2_levels[index-1][nr]) * 100) / 15)); 990 } 991 992 static ssize_t 993 store_sf2_level(struct device *dev, struct device_attribute *attr, 994 const char *buf, size_t count) 995 { 996 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 997 int nr = sensor_attr->nr; 998 int index = sensor_attr->index - 1; 999 struct i2c_client *client = to_i2c_client(dev); 1000 struct w83792d_data *data = i2c_get_clientdata(client); 1001 u32 val; 1002 u8 mask_tmp=0, level_tmp=0; 1003 1004 val = simple_strtoul(buf, NULL, 10); 1005 mutex_lock(&data->update_lock); 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 mutex_unlock(&data->update_lock); 1016 1017 return count; 1018 } 1019 1020 static struct sensor_device_attribute_2 sda_sf2_level[] = { 1021 SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, 1022 show_sf2_level, store_sf2_level, 1, 1), 1023 SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, 1024 show_sf2_level, store_sf2_level, 2, 1), 1025 SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, 1026 show_sf2_level, store_sf2_level, 3, 1), 1027 1028 SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, 1029 show_sf2_level, store_sf2_level, 1, 2), 1030 SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, 1031 show_sf2_level, store_sf2_level, 2, 2), 1032 SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, 1033 show_sf2_level, store_sf2_level, 3, 2), 1034 1035 SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, 1036 show_sf2_level, store_sf2_level, 1, 3), 1037 SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, 1038 show_sf2_level, store_sf2_level, 2, 3), 1039 SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, 1040 show_sf2_level, store_sf2_level, 3, 3), 1041 }; 1042 1043 /* This function is called when: 1044 * w83792d_driver is inserted (when this module is loaded), for each 1045 available adapter 1046 * when a new adapter is inserted (and w83792d_driver is still present) */ 1047 static int 1048 w83792d_attach_adapter(struct i2c_adapter *adapter) 1049 { 1050 if (!(adapter->class & I2C_CLASS_HWMON)) 1051 return 0; 1052 return i2c_probe(adapter, &addr_data, w83792d_detect); 1053 } 1054 1055 1056 static int 1057 w83792d_create_subclient(struct i2c_adapter *adapter, 1058 struct i2c_client *new_client, int addr, 1059 struct i2c_client **sub_cli) 1060 { 1061 int err; 1062 struct i2c_client *sub_client; 1063 1064 (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); 1065 if (!(sub_client)) { 1066 return -ENOMEM; 1067 } 1068 sub_client->addr = 0x48 + addr; 1069 i2c_set_clientdata(sub_client, NULL); 1070 sub_client->adapter = adapter; 1071 sub_client->driver = &w83792d_driver; 1072 sub_client->flags = 0; 1073 strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); 1074 if ((err = i2c_attach_client(sub_client))) { 1075 dev_err(&new_client->dev, "subclient registration " 1076 "at address 0x%x failed\n", sub_client->addr); 1077 kfree(sub_client); 1078 return err; 1079 } 1080 return 0; 1081 } 1082 1083 1084 static int 1085 w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, 1086 struct i2c_client *new_client) 1087 { 1088 int i, id, err; 1089 u8 val; 1090 struct w83792d_data *data = i2c_get_clientdata(new_client); 1091 1092 id = i2c_adapter_id(adapter); 1093 if (force_subclients[0] == id && force_subclients[1] == address) { 1094 for (i = 2; i <= 3; i++) { 1095 if (force_subclients[i] < 0x48 || 1096 force_subclients[i] > 0x4f) { 1097 dev_err(&new_client->dev, "invalid subclient " 1098 "address %d; must be 0x48-0x4f\n", 1099 force_subclients[i]); 1100 err = -ENODEV; 1101 goto ERROR_SC_0; 1102 } 1103 } 1104 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, 1105 (force_subclients[2] & 0x07) | 1106 ((force_subclients[3] & 0x07) << 4)); 1107 } 1108 1109 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); 1110 if (!(val & 0x08)) { 1111 err = w83792d_create_subclient(adapter, new_client, val & 0x7, 1112 &data->lm75[0]); 1113 if (err < 0) 1114 goto ERROR_SC_0; 1115 } 1116 if (!(val & 0x80)) { 1117 if ((data->lm75[0] != NULL) && 1118 ((val & 0x7) == ((val >> 4) & 0x7))) { 1119 dev_err(&new_client->dev, "duplicate addresses 0x%x, " 1120 "use force_subclient\n", data->lm75[0]->addr); 1121 err = -ENODEV; 1122 goto ERROR_SC_1; 1123 } 1124 err = w83792d_create_subclient(adapter, new_client, 1125 (val >> 4) & 0x7, &data->lm75[1]); 1126 if (err < 0) 1127 goto ERROR_SC_1; 1128 } 1129 1130 return 0; 1131 1132 /* Undo inits in case of errors */ 1133 1134 ERROR_SC_1: 1135 if (data->lm75[0] != NULL) { 1136 i2c_detach_client(data->lm75[0]); 1137 kfree(data->lm75[0]); 1138 } 1139 ERROR_SC_0: 1140 return err; 1141 } 1142 1143 static void device_create_file_fan(struct device *dev, int i) 1144 { 1145 device_create_file(dev, &sda_fan_input[i].dev_attr); 1146 device_create_file(dev, &sda_fan_div[i].dev_attr); 1147 device_create_file(dev, &sda_fan_min[i].dev_attr); 1148 } 1149 1150 static int 1151 w83792d_detect(struct i2c_adapter *adapter, int address, int kind) 1152 { 1153 int i = 0, val1 = 0, val2; 1154 struct i2c_client *client; 1155 struct device *dev; 1156 struct w83792d_data *data; 1157 int err = 0; 1158 const char *client_name = ""; 1159 1160 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 1161 goto ERROR0; 1162 } 1163 1164 /* OK. For now, we presume we have a valid client. We now create the 1165 client structure, even though we cannot fill it completely yet. 1166 But it allows us to access w83792d_{read,write}_value. */ 1167 1168 if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { 1169 err = -ENOMEM; 1170 goto ERROR0; 1171 } 1172 1173 client = &data->client; 1174 dev = &client->dev; 1175 i2c_set_clientdata(client, data); 1176 client->addr = address; 1177 client->adapter = adapter; 1178 client->driver = &w83792d_driver; 1179 client->flags = 0; 1180 1181 /* Now, we do the remaining detection. */ 1182 1183 /* The w83792d may be stuck in some other bank than bank 0. This may 1184 make reading other information impossible. Specify a force=... or 1185 force_*=... parameter, and the Winbond will be reset to the right 1186 bank. */ 1187 if (kind < 0) { 1188 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { 1189 dev_dbg(dev, "Detection failed at step 1\n"); 1190 goto ERROR1; 1191 } 1192 val1 = w83792d_read_value(client, W83792D_REG_BANK); 1193 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1194 /* Check for Winbond ID if in bank 0 */ 1195 if (!(val1 & 0x07)) { /* is Bank0 */ 1196 if (((!(val1 & 0x80)) && (val2 != 0xa3)) || 1197 ((val1 & 0x80) && (val2 != 0x5c))) { 1198 dev_dbg(dev, "Detection failed at step 2\n"); 1199 goto ERROR1; 1200 } 1201 } 1202 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR 1203 should match */ 1204 if (w83792d_read_value(client, 1205 W83792D_REG_I2C_ADDR) != address) { 1206 dev_dbg(dev, "Detection failed at step 3\n"); 1207 goto ERROR1; 1208 } 1209 } 1210 1211 /* We have either had a force parameter, or we have already detected the 1212 Winbond. Put it now into bank 0 and Vendor ID High Byte */ 1213 w83792d_write_value(client, 1214 W83792D_REG_BANK, 1215 (w83792d_read_value(client, 1216 W83792D_REG_BANK) & 0x78) | 0x80); 1217 1218 /* Determine the chip type. */ 1219 if (kind <= 0) { 1220 /* get vendor ID */ 1221 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1222 if (val2 != 0x5c) { /* the vendor is NOT Winbond */ 1223 goto ERROR1; 1224 } 1225 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); 1226 if (val1 == 0x7a) { 1227 kind = w83792d; 1228 } else { 1229 if (kind == 0) 1230 dev_warn(dev, 1231 "w83792d: Ignoring 'force' parameter for" 1232 " unknown chip at adapter %d, address" 1233 " 0x%02x\n", i2c_adapter_id(adapter), 1234 address); 1235 goto ERROR1; 1236 } 1237 } 1238 1239 if (kind == w83792d) { 1240 client_name = "w83792d"; 1241 } else { 1242 dev_err(dev, "w83792d: Internal error: unknown" 1243 " kind (%d)?!?", kind); 1244 goto ERROR1; 1245 } 1246 1247 /* Fill in the remaining client fields and put into the global list */ 1248 strlcpy(client->name, client_name, I2C_NAME_SIZE); 1249 data->type = kind; 1250 1251 data->valid = 0; 1252 mutex_init(&data->update_lock); 1253 1254 /* Tell the I2C layer a new client has arrived */ 1255 if ((err = i2c_attach_client(client))) 1256 goto ERROR1; 1257 1258 if ((err = w83792d_detect_subclients(adapter, address, 1259 kind, client))) 1260 goto ERROR2; 1261 1262 /* Initialize the chip */ 1263 w83792d_init_client(client); 1264 1265 /* A few vars need to be filled upon startup */ 1266 for (i = 0; i < 7; i++) { 1267 data->fan_min[i] = w83792d_read_value(client, 1268 W83792D_REG_FAN_MIN[i]); 1269 } 1270 1271 /* Register sysfs hooks */ 1272 data->class_dev = hwmon_device_register(dev); 1273 if (IS_ERR(data->class_dev)) { 1274 err = PTR_ERR(data->class_dev); 1275 goto ERROR3; 1276 } 1277 for (i = 0; i < 9; i++) { 1278 device_create_file(dev, &sda_in_input[i].dev_attr); 1279 device_create_file(dev, &sda_in_max[i].dev_attr); 1280 device_create_file(dev, &sda_in_min[i].dev_attr); 1281 } 1282 for (i = 0; i < 3; i++) 1283 device_create_file_fan(dev, i); 1284 1285 /* Read GPIO enable register to check if pins for fan 4,5 are used as 1286 GPIO */ 1287 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); 1288 if (!(val1 & 0x40)) 1289 device_create_file_fan(dev, 3); 1290 if (!(val1 & 0x20)) 1291 device_create_file_fan(dev, 4); 1292 1293 val1 = w83792d_read_value(client, W83792D_REG_PIN); 1294 if (val1 & 0x40) 1295 device_create_file_fan(dev, 5); 1296 if (val1 & 0x04) 1297 device_create_file_fan(dev, 6); 1298 1299 for (i = 0; i < 3; i++) { 1300 device_create_file(dev, &sda_temp_input[i].dev_attr); 1301 device_create_file(dev, &sda_temp_max[i].dev_attr); 1302 device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); 1303 device_create_file(dev, &sda_thermal_cruise[i].dev_attr); 1304 device_create_file(dev, &sda_tolerance[i].dev_attr); 1305 } 1306 1307 for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) { 1308 device_create_file(dev, &sda_pwm[i].dev_attr); 1309 device_create_file(dev, &sda_pwm_enable[i].dev_attr); 1310 device_create_file(dev, &sda_pwm_mode[i].dev_attr); 1311 } 1312 1313 device_create_file(dev, &dev_attr_alarms); 1314 device_create_file(dev, &dev_attr_chassis); 1315 device_create_file(dev, &dev_attr_chassis_clear); 1316 1317 for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++) 1318 device_create_file(dev, &sda_sf2_point[i].dev_attr); 1319 1320 for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++) 1321 device_create_file(dev, &sda_sf2_level[i].dev_attr); 1322 1323 return 0; 1324 1325 ERROR3: 1326 if (data->lm75[0] != NULL) { 1327 i2c_detach_client(data->lm75[0]); 1328 kfree(data->lm75[0]); 1329 } 1330 if (data->lm75[1] != NULL) { 1331 i2c_detach_client(data->lm75[1]); 1332 kfree(data->lm75[1]); 1333 } 1334 ERROR2: 1335 i2c_detach_client(client); 1336 ERROR1: 1337 kfree(data); 1338 ERROR0: 1339 return err; 1340 } 1341 1342 static int 1343 w83792d_detach_client(struct i2c_client *client) 1344 { 1345 struct w83792d_data *data = i2c_get_clientdata(client); 1346 int err; 1347 1348 /* main client */ 1349 if (data) 1350 hwmon_device_unregister(data->class_dev); 1351 1352 if ((err = i2c_detach_client(client))) 1353 return err; 1354 1355 /* main client */ 1356 if (data) 1357 kfree(data); 1358 /* subclient */ 1359 else 1360 kfree(client); 1361 1362 return 0; 1363 } 1364 1365 static void 1366 w83792d_init_client(struct i2c_client *client) 1367 { 1368 u8 temp2_cfg, temp3_cfg, vid_in_b; 1369 1370 if (init) { 1371 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); 1372 } 1373 /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): 1374 W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of 1375 vin0/vin1 can be modified by user; 1376 W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of 1377 vin0/vin1 auto-updated, can NOT be modified by user. */ 1378 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); 1379 w83792d_write_value(client, W83792D_REG_VID_IN_B, 1380 vid_in_b & 0xbf); 1381 1382 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); 1383 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); 1384 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, 1385 temp2_cfg & 0xe6); 1386 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, 1387 temp3_cfg & 0xe6); 1388 1389 /* Start monitoring */ 1390 w83792d_write_value(client, W83792D_REG_CONFIG, 1391 (w83792d_read_value(client, 1392 W83792D_REG_CONFIG) & 0xf7) 1393 | 0x01); 1394 } 1395 1396 static struct w83792d_data *w83792d_update_device(struct device *dev) 1397 { 1398 struct i2c_client *client = to_i2c_client(dev); 1399 struct w83792d_data *data = i2c_get_clientdata(client); 1400 int i, j; 1401 u8 reg_array_tmp[4], reg_tmp; 1402 1403 mutex_lock(&data->update_lock); 1404 1405 if (time_after 1406 (jiffies - data->last_updated, (unsigned long) (HZ * 3)) 1407 || time_before(jiffies, data->last_updated) || !data->valid) { 1408 dev_dbg(dev, "Starting device update\n"); 1409 1410 /* Update the voltages measured value and limits */ 1411 for (i = 0; i < 9; i++) { 1412 data->in[i] = w83792d_read_value(client, 1413 W83792D_REG_IN[i]); 1414 data->in_max[i] = w83792d_read_value(client, 1415 W83792D_REG_IN_MAX[i]); 1416 data->in_min[i] = w83792d_read_value(client, 1417 W83792D_REG_IN_MIN[i]); 1418 } 1419 data->low_bits = w83792d_read_value(client, 1420 W83792D_REG_LOW_BITS1) + 1421 (w83792d_read_value(client, 1422 W83792D_REG_LOW_BITS2) << 8); 1423 for (i = 0; i < 7; i++) { 1424 /* Update the Fan measured value and limits */ 1425 data->fan[i] = w83792d_read_value(client, 1426 W83792D_REG_FAN[i]); 1427 data->fan_min[i] = w83792d_read_value(client, 1428 W83792D_REG_FAN_MIN[i]); 1429 /* Update the PWM/DC Value and PWM/DC flag */ 1430 data->pwm[i] = w83792d_read_value(client, 1431 W83792D_REG_PWM[i]); 1432 } 1433 1434 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); 1435 data->pwmenable[0] = reg_tmp & 0x03; 1436 data->pwmenable[1] = (reg_tmp>>2) & 0x03; 1437 data->pwmenable[2] = (reg_tmp>>4) & 0x03; 1438 1439 for (i = 0; i < 3; i++) { 1440 data->temp1[i] = w83792d_read_value(client, 1441 W83792D_REG_TEMP1[i]); 1442 } 1443 for (i = 0; i < 2; i++) { 1444 for (j = 0; j < 6; j++) { 1445 data->temp_add[i][j] = w83792d_read_value( 1446 client,W83792D_REG_TEMP_ADD[i][j]); 1447 } 1448 } 1449 1450 /* Update the Fan Divisor */ 1451 for (i = 0; i < 4; i++) { 1452 reg_array_tmp[i] = w83792d_read_value(client, 1453 W83792D_REG_FAN_DIV[i]); 1454 } 1455 data->fan_div[0] = reg_array_tmp[0] & 0x07; 1456 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; 1457 data->fan_div[2] = reg_array_tmp[1] & 0x07; 1458 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; 1459 data->fan_div[4] = reg_array_tmp[2] & 0x07; 1460 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; 1461 data->fan_div[6] = reg_array_tmp[3] & 0x07; 1462 1463 /* Update the realtime status */ 1464 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + 1465 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + 1466 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); 1467 1468 /* Update CaseOpen status and it's CLR_CHS. */ 1469 data->chassis = (w83792d_read_value(client, 1470 W83792D_REG_CHASSIS) >> 5) & 0x01; 1471 data->chassis_clear = (w83792d_read_value(client, 1472 W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; 1473 1474 /* Update Thermal Cruise/Smart Fan I target value */ 1475 for (i = 0; i < 3; i++) { 1476 data->thermal_cruise[i] = 1477 w83792d_read_value(client, 1478 W83792D_REG_THERMAL[i]) & 0x7f; 1479 } 1480 1481 /* Update Smart Fan I/II tolerance */ 1482 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); 1483 data->tolerance[0] = reg_tmp & 0x0f; 1484 data->tolerance[1] = (reg_tmp >> 4) & 0x0f; 1485 data->tolerance[2] = w83792d_read_value(client, 1486 W83792D_REG_TOLERANCE[2]) & 0x0f; 1487 1488 /* Update Smart Fan II temperature points */ 1489 for (i = 0; i < 3; i++) { 1490 for (j = 0; j < 4; j++) { 1491 data->sf2_points[i][j] = w83792d_read_value( 1492 client,W83792D_REG_POINTS[i][j]) & 0x7f; 1493 } 1494 } 1495 1496 /* Update Smart Fan II duty cycle levels */ 1497 for (i = 0; i < 3; i++) { 1498 reg_tmp = w83792d_read_value(client, 1499 W83792D_REG_LEVELS[i][0]); 1500 data->sf2_levels[i][0] = reg_tmp & 0x0f; 1501 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; 1502 reg_tmp = w83792d_read_value(client, 1503 W83792D_REG_LEVELS[i][2]); 1504 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; 1505 data->sf2_levels[i][3] = reg_tmp & 0x0f; 1506 } 1507 1508 data->last_updated = jiffies; 1509 data->valid = 1; 1510 } 1511 1512 mutex_unlock(&data->update_lock); 1513 1514 #ifdef DEBUG 1515 w83792d_print_debug(data, dev); 1516 #endif 1517 1518 return data; 1519 } 1520 1521 #ifdef DEBUG 1522 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) 1523 { 1524 int i=0, j=0; 1525 dev_dbg(dev, "==========The following is the debug message...========\n"); 1526 dev_dbg(dev, "9 set of Voltages: =====>\n"); 1527 for (i=0; i<9; i++) { 1528 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); 1529 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); 1530 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); 1531 } 1532 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); 1533 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); 1534 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); 1535 for (i=0; i<7; i++) { 1536 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); 1537 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); 1538 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); 1539 } 1540 dev_dbg(dev, "3 set of Temperatures: =====>\n"); 1541 for (i=0; i<3; i++) { 1542 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); 1543 } 1544 1545 for (i=0; i<2; i++) { 1546 for (j=0; j<6; j++) { 1547 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, 1548 data->temp_add[i][j]); 1549 } 1550 } 1551 1552 for (i=0; i<7; i++) { 1553 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); 1554 } 1555 dev_dbg(dev, "==========End of the debug message...==================\n"); 1556 dev_dbg(dev, "\n"); 1557 } 1558 #endif 1559 1560 static int __init 1561 sensors_w83792d_init(void) 1562 { 1563 return i2c_add_driver(&w83792d_driver); 1564 } 1565 1566 static void __exit 1567 sensors_w83792d_exit(void) 1568 { 1569 i2c_del_driver(&w83792d_driver); 1570 } 1571 1572 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); 1573 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); 1574 MODULE_LICENSE("GPL"); 1575 1576 module_init(sensors_w83792d_init); 1577 module_exit(sensors_w83792d_exit); 1578 1579