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 PWM_FROM_REG(val) (val) 254 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 255 #define DIV_FROM_REG(val) (1 << (val)) 256 257 static inline u8 258 DIV_TO_REG(long val) 259 { 260 int i; 261 val = SENSORS_LIMIT(val, 1, 128) >> 1; 262 for (i = 0; i < 7; i++) { 263 if (val == 0) 264 break; 265 val >>= 1; 266 } 267 return ((u8) i); 268 } 269 270 struct w83792d_data { 271 struct i2c_client client; 272 struct class_device *class_dev; 273 enum chips type; 274 275 struct mutex update_lock; 276 char valid; /* !=0 if following fields are valid */ 277 unsigned long last_updated; /* In jiffies */ 278 279 /* array of 2 pointers to subclients */ 280 struct i2c_client *lm75[2]; 281 282 u8 in[9]; /* Register value */ 283 u8 in_max[9]; /* Register value */ 284 u8 in_min[9]; /* Register value */ 285 u16 low_bits; /* Additional resolution to voltage in6-0 */ 286 u8 fan[7]; /* Register value */ 287 u8 fan_min[7]; /* Register value */ 288 u8 temp1[3]; /* current, over, thyst */ 289 u8 temp_add[2][6]; /* Register value */ 290 u8 fan_div[7]; /* Register encoding, shifted right */ 291 u8 pwm[7]; /* We only consider the first 3 set of pwm, 292 although 792 chip has 7 set of pwm. */ 293 u8 pwmenable[3]; 294 u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */ 295 u32 alarms; /* realtime status register encoding,combined */ 296 u8 chassis; /* Chassis status */ 297 u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ 298 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ 299 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ 300 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ 301 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ 302 }; 303 304 static int w83792d_attach_adapter(struct i2c_adapter *adapter); 305 static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); 306 static int w83792d_detach_client(struct i2c_client *client); 307 static struct w83792d_data *w83792d_update_device(struct device *dev); 308 309 #ifdef DEBUG 310 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); 311 #endif 312 313 static void w83792d_init_client(struct i2c_client *client); 314 315 static struct i2c_driver w83792d_driver = { 316 .driver = { 317 .name = "w83792d", 318 }, 319 .attach_adapter = w83792d_attach_adapter, 320 .detach_client = w83792d_detach_client, 321 }; 322 323 static inline long in_count_from_reg(int nr, struct w83792d_data *data) 324 { 325 /* in7 and in8 do not have low bits, but the formula still works */ 326 return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); 327 } 328 329 /* The SMBus locks itself. The Winbond W83792D chip has a bank register, 330 but the driver only accesses registers in bank 0, so we don't have 331 to switch banks and lock access between switches. */ 332 static inline int w83792d_read_value(struct i2c_client *client, u8 reg) 333 { 334 return i2c_smbus_read_byte_data(client, reg); 335 } 336 337 static inline int 338 w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) 339 { 340 return i2c_smbus_write_byte_data(client, reg, value); 341 } 342 343 /* following are the sysfs callback functions */ 344 static ssize_t show_in(struct device *dev, struct device_attribute *attr, 345 char *buf) 346 { 347 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 348 int nr = sensor_attr->index; 349 struct w83792d_data *data = w83792d_update_device(dev); 350 return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); 351 } 352 353 #define show_in_reg(reg) \ 354 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 355 char *buf) \ 356 { \ 357 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 358 int nr = sensor_attr->index; \ 359 struct w83792d_data *data = w83792d_update_device(dev); \ 360 return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ 361 } 362 363 show_in_reg(in_min); 364 show_in_reg(in_max); 365 366 #define store_in_reg(REG, reg) \ 367 static ssize_t store_in_##reg (struct device *dev, \ 368 struct device_attribute *attr, \ 369 const char *buf, size_t count) \ 370 { \ 371 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 372 int nr = sensor_attr->index; \ 373 struct i2c_client *client = to_i2c_client(dev); \ 374 struct w83792d_data *data = i2c_get_clientdata(client); \ 375 u32 val; \ 376 \ 377 val = simple_strtoul(buf, NULL, 10); \ 378 data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ 379 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 380 \ 381 return count; \ 382 } 383 store_in_reg(MIN, min); 384 store_in_reg(MAX, max); 385 386 static struct sensor_device_attribute sda_in_input[] = { 387 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 388 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 389 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 390 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 391 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 392 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 393 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 394 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 395 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 396 }; 397 static struct sensor_device_attribute sda_in_min[] = { 398 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 399 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 400 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 401 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 402 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 403 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 404 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 405 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 406 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 407 }; 408 static struct sensor_device_attribute sda_in_max[] = { 409 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 410 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 411 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 412 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 413 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 414 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 415 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 416 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 417 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 418 }; 419 420 421 #define show_fan_reg(reg) \ 422 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ 423 char *buf) \ 424 { \ 425 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 426 int nr = sensor_attr->index - 1; \ 427 struct w83792d_data *data = w83792d_update_device(dev); \ 428 return sprintf(buf,"%d\n", \ 429 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 430 } 431 432 show_fan_reg(fan); 433 show_fan_reg(fan_min); 434 435 static ssize_t 436 store_fan_min(struct device *dev, struct device_attribute *attr, 437 const char *buf, size_t count) 438 { 439 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 440 int nr = sensor_attr->index - 1; 441 struct i2c_client *client = to_i2c_client(dev); 442 struct w83792d_data *data = i2c_get_clientdata(client); 443 u32 val; 444 445 val = simple_strtoul(buf, NULL, 10); 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]); 449 450 return count; 451 } 452 453 static ssize_t 454 show_fan_div(struct device *dev, struct device_attribute *attr, 455 char *buf) 456 { 457 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 458 int nr = sensor_attr->index; 459 struct w83792d_data *data = w83792d_update_device(dev); 460 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); 461 } 462 463 /* Note: we save and restore the fan minimum here, because its value is 464 determined in part by the fan divisor. This follows the principle of 465 least suprise; the user doesn't expect the fan minimum to change just 466 because the divisor changed. */ 467 static ssize_t 468 store_fan_div(struct device *dev, struct device_attribute *attr, 469 const char *buf, size_t count) 470 { 471 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 472 int nr = sensor_attr->index - 1; 473 struct i2c_client *client = to_i2c_client(dev); 474 struct w83792d_data *data = i2c_get_clientdata(client); 475 unsigned long min; 476 /*u8 reg;*/ 477 u8 fan_div_reg = 0; 478 u8 tmp_fan_div; 479 480 /* Save fan_min */ 481 min = FAN_FROM_REG(data->fan_min[nr], 482 DIV_FROM_REG(data->fan_div[nr])); 483 484 data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); 485 486 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); 487 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; 488 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) 489 : ((data->fan_div[nr]) & 0x07); 490 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], 491 fan_div_reg | tmp_fan_div); 492 493 /* Restore fan_min */ 494 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 495 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); 496 497 return count; 498 } 499 500 static struct sensor_device_attribute sda_fan_input[] = { 501 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1), 502 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2), 503 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3), 504 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4), 505 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5), 506 SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6), 507 SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7), 508 }; 509 static struct sensor_device_attribute sda_fan_min[] = { 510 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1), 511 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2), 512 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3), 513 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4), 514 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5), 515 SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6), 516 SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7), 517 }; 518 static struct sensor_device_attribute sda_fan_div[] = { 519 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1), 520 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2), 521 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3), 522 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4), 523 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5), 524 SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6), 525 SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7), 526 }; 527 528 529 /* read/write the temperature1, includes measured value and limits */ 530 531 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, 532 char *buf) 533 { 534 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 535 int nr = sensor_attr->index; 536 struct w83792d_data *data = w83792d_update_device(dev); 537 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); 538 } 539 540 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, 541 const char *buf, size_t count) 542 { 543 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 544 int nr = sensor_attr->index; 545 struct i2c_client *client = to_i2c_client(dev); 546 struct w83792d_data *data = i2c_get_clientdata(client); 547 s32 val; 548 549 val = simple_strtol(buf, NULL, 10); 550 551 data->temp1[nr] = TEMP1_TO_REG(val); 552 w83792d_write_value(client, W83792D_REG_TEMP1[nr], 553 data->temp1[nr]); 554 555 return count; 556 } 557 558 /* read/write the temperature2-3, includes measured value and limits */ 559 560 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, 561 char *buf) 562 { 563 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 564 int nr = sensor_attr->nr; 565 int index = sensor_attr->index; 566 struct w83792d_data *data = w83792d_update_device(dev); 567 return sprintf(buf,"%ld\n", 568 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], 569 data->temp_add[nr][index+1])); 570 } 571 572 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 573 const char *buf, size_t count) 574 { 575 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 576 int nr = sensor_attr->nr; 577 int index = sensor_attr->index; 578 struct i2c_client *client = to_i2c_client(dev); 579 struct w83792d_data *data = i2c_get_clientdata(client); 580 s32 val; 581 582 val = simple_strtol(buf, NULL, 10); 583 584 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); 585 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); 586 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], 587 data->temp_add[nr][index]); 588 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], 589 data->temp_add[nr][index+1]); 590 591 return count; 592 } 593 594 static struct sensor_device_attribute_2 sda_temp_input[] = { 595 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 596 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 597 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 598 }; 599 600 static struct sensor_device_attribute_2 sda_temp_max[] = { 601 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1), 602 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2), 603 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2), 604 }; 605 606 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 607 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2), 608 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4), 609 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4), 610 }; 611 612 /* get reatime status of all sensors items: voltage, temp, fan */ 613 static ssize_t 614 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 615 { 616 struct w83792d_data *data = w83792d_update_device(dev); 617 return sprintf(buf, "%d\n", data->alarms); 618 } 619 620 static 621 DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 622 623 static ssize_t 624 show_pwm(struct device *dev, struct device_attribute *attr, 625 char *buf) 626 { 627 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 628 int nr = sensor_attr->index; 629 struct w83792d_data *data = w83792d_update_device(dev); 630 return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1])); 631 } 632 633 static ssize_t 634 show_pwmenable(struct device *dev, struct device_attribute *attr, 635 char *buf) 636 { 637 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 638 int nr = sensor_attr->index - 1; 639 struct w83792d_data *data = w83792d_update_device(dev); 640 long pwm_enable_tmp = 1; 641 642 switch (data->pwmenable[nr]) { 643 case 0: 644 pwm_enable_tmp = 1; /* manual mode */ 645 break; 646 case 1: 647 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ 648 break; 649 case 2: 650 pwm_enable_tmp = 2; /* Smart Fan II */ 651 break; 652 } 653 654 return sprintf(buf, "%ld\n", pwm_enable_tmp); 655 } 656 657 static ssize_t 658 store_pwm(struct device *dev, struct device_attribute *attr, 659 const char *buf, size_t count) 660 { 661 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 662 int nr = sensor_attr->index - 1; 663 struct i2c_client *client = to_i2c_client(dev); 664 struct w83792d_data *data = i2c_get_clientdata(client); 665 u32 val; 666 667 val = simple_strtoul(buf, NULL, 10); 668 data->pwm[nr] = PWM_TO_REG(val); 669 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 670 671 return count; 672 } 673 674 static ssize_t 675 store_pwmenable(struct device *dev, struct device_attribute *attr, 676 const char *buf, size_t count) 677 { 678 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 679 int nr = sensor_attr->index - 1; 680 struct i2c_client *client = to_i2c_client(dev); 681 struct w83792d_data *data = i2c_get_clientdata(client); 682 u32 val; 683 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; 684 685 val = simple_strtoul(buf, NULL, 10); 686 switch (val) { 687 case 1: 688 data->pwmenable[nr] = 0; /* manual mode */ 689 break; 690 case 2: 691 data->pwmenable[nr] = 2; /* Smart Fan II */ 692 break; 693 case 3: 694 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ 695 break; 696 default: 697 return -EINVAL; 698 } 699 cfg1_tmp = data->pwmenable[0]; 700 cfg2_tmp = (data->pwmenable[1]) << 2; 701 cfg3_tmp = (data->pwmenable[2]) << 4; 702 cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; 703 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; 704 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); 705 706 return count; 707 } 708 709 static struct sensor_device_attribute sda_pwm[] = { 710 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), 711 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), 712 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), 713 }; 714 static struct sensor_device_attribute sda_pwm_enable[] = { 715 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 716 show_pwmenable, store_pwmenable, 1), 717 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 718 show_pwmenable, store_pwmenable, 2), 719 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 720 show_pwmenable, store_pwmenable, 3), 721 }; 722 723 724 static ssize_t 725 show_pwm_mode(struct device *dev, struct device_attribute *attr, 726 char *buf) 727 { 728 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 729 int nr = sensor_attr->index; 730 struct w83792d_data *data = w83792d_update_device(dev); 731 return sprintf(buf, "%d\n", data->pwm_mode[nr-1]); 732 } 733 734 static ssize_t 735 store_pwm_mode(struct device *dev, struct device_attribute *attr, 736 const char *buf, size_t count) 737 { 738 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 739 int nr = sensor_attr->index - 1; 740 struct i2c_client *client = to_i2c_client(dev); 741 struct w83792d_data *data = i2c_get_clientdata(client); 742 u32 val; 743 u8 pwm_mode_mask = 0; 744 745 val = simple_strtoul(buf, NULL, 10); 746 data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1); 747 pwm_mode_mask = w83792d_read_value(client, 748 W83792D_REG_PWM[nr]) & 0x7f; 749 w83792d_write_value(client, W83792D_REG_PWM[nr], 750 ((data->pwm_mode[nr]) << 7) | pwm_mode_mask); 751 752 return count; 753 } 754 755 static struct sensor_device_attribute sda_pwm_mode[] = { 756 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, 757 show_pwm_mode, store_pwm_mode, 1), 758 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, 759 show_pwm_mode, store_pwm_mode, 2), 760 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, 761 show_pwm_mode, store_pwm_mode, 3), 762 }; 763 764 765 static ssize_t 766 show_regs_chassis(struct device *dev, struct device_attribute *attr, 767 char *buf) 768 { 769 struct w83792d_data *data = w83792d_update_device(dev); 770 return sprintf(buf, "%d\n", data->chassis); 771 } 772 773 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); 774 775 static ssize_t 776 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) 777 { 778 struct w83792d_data *data = w83792d_update_device(dev); 779 return sprintf(buf, "%d\n", data->chassis_clear); 780 } 781 782 static ssize_t 783 store_chassis_clear(struct device *dev, struct device_attribute *attr, 784 const char *buf, size_t count) 785 { 786 struct i2c_client *client = to_i2c_client(dev); 787 struct w83792d_data *data = i2c_get_clientdata(client); 788 u32 val; 789 u8 temp1 = 0, temp2 = 0; 790 791 val = simple_strtoul(buf, NULL, 10); 792 793 data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); 794 temp1 = ((data->chassis_clear) << 7) & 0x80; 795 temp2 = w83792d_read_value(client, 796 W83792D_REG_CHASSIS_CLR) & 0x7f; 797 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); 798 799 return count; 800 } 801 802 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, 803 show_chassis_clear, store_chassis_clear); 804 805 /* For Smart Fan I / Thermal Cruise */ 806 static ssize_t 807 show_thermal_cruise(struct device *dev, struct device_attribute *attr, 808 char *buf) 809 { 810 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 811 int nr = sensor_attr->index; 812 struct w83792d_data *data = w83792d_update_device(dev); 813 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); 814 } 815 816 static ssize_t 817 store_thermal_cruise(struct device *dev, struct device_attribute *attr, 818 const char *buf, size_t count) 819 { 820 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 821 int nr = sensor_attr->index - 1; 822 struct i2c_client *client = to_i2c_client(dev); 823 struct w83792d_data *data = i2c_get_clientdata(client); 824 u32 val; 825 u8 target_tmp=0, target_mask=0; 826 827 val = simple_strtoul(buf, NULL, 10); 828 target_tmp = val; 829 target_tmp = target_tmp & 0x7f; 830 target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; 831 data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); 832 w83792d_write_value(client, W83792D_REG_THERMAL[nr], 833 (data->thermal_cruise[nr]) | target_mask); 834 835 return count; 836 } 837 838 static struct sensor_device_attribute sda_thermal_cruise[] = { 839 SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, 840 show_thermal_cruise, store_thermal_cruise, 1), 841 SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, 842 show_thermal_cruise, store_thermal_cruise, 2), 843 SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, 844 show_thermal_cruise, store_thermal_cruise, 3), 845 }; 846 847 /* For Smart Fan I/Thermal Cruise and Smart Fan II */ 848 static ssize_t 849 show_tolerance(struct device *dev, struct device_attribute *attr, 850 char *buf) 851 { 852 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 853 int nr = sensor_attr->index; 854 struct w83792d_data *data = w83792d_update_device(dev); 855 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); 856 } 857 858 static ssize_t 859 store_tolerance(struct device *dev, struct device_attribute *attr, 860 const char *buf, size_t count) 861 { 862 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 863 int nr = sensor_attr->index - 1; 864 struct i2c_client *client = to_i2c_client(dev); 865 struct w83792d_data *data = i2c_get_clientdata(client); 866 u32 val; 867 u8 tol_tmp, tol_mask; 868 869 val = simple_strtoul(buf, NULL, 10); 870 tol_mask = w83792d_read_value(client, 871 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); 872 tol_tmp = SENSORS_LIMIT(val, 0, 15); 873 tol_tmp &= 0x0f; 874 data->tolerance[nr] = tol_tmp; 875 if (nr == 1) { 876 tol_tmp <<= 4; 877 } 878 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], 879 tol_mask | tol_tmp); 880 881 return count; 882 } 883 884 static struct sensor_device_attribute sda_tolerance[] = { 885 SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO, 886 show_tolerance, store_tolerance, 1), 887 SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO, 888 show_tolerance, store_tolerance, 2), 889 SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO, 890 show_tolerance, store_tolerance, 3), 891 }; 892 893 /* For Smart Fan II */ 894 static ssize_t 895 show_sf2_point(struct device *dev, struct device_attribute *attr, 896 char *buf) 897 { 898 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 899 int nr = sensor_attr->nr; 900 int index = sensor_attr->index; 901 struct w83792d_data *data = w83792d_update_device(dev); 902 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); 903 } 904 905 static ssize_t 906 store_sf2_point(struct device *dev, struct device_attribute *attr, 907 const char *buf, size_t count) 908 { 909 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 910 int nr = sensor_attr->nr - 1; 911 int index = sensor_attr->index - 1; 912 struct i2c_client *client = to_i2c_client(dev); 913 struct w83792d_data *data = i2c_get_clientdata(client); 914 u32 val; 915 u8 mask_tmp = 0; 916 917 val = simple_strtoul(buf, NULL, 10); 918 data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); 919 mask_tmp = w83792d_read_value(client, 920 W83792D_REG_POINTS[index][nr]) & 0x80; 921 w83792d_write_value(client, W83792D_REG_POINTS[index][nr], 922 mask_tmp|data->sf2_points[index][nr]); 923 924 return count; 925 } 926 927 static struct sensor_device_attribute_2 sda_sf2_point[] = { 928 SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, 929 show_sf2_point, store_sf2_point, 1, 1), 930 SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, 931 show_sf2_point, store_sf2_point, 2, 1), 932 SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, 933 show_sf2_point, store_sf2_point, 3, 1), 934 SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, 935 show_sf2_point, store_sf2_point, 4, 1), 936 937 SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, 938 show_sf2_point, store_sf2_point, 1, 2), 939 SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, 940 show_sf2_point, store_sf2_point, 2, 2), 941 SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, 942 show_sf2_point, store_sf2_point, 3, 2), 943 SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, 944 show_sf2_point, store_sf2_point, 4, 2), 945 946 SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, 947 show_sf2_point, store_sf2_point, 1, 3), 948 SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, 949 show_sf2_point, store_sf2_point, 2, 3), 950 SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, 951 show_sf2_point, store_sf2_point, 3, 3), 952 SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, 953 show_sf2_point, store_sf2_point, 4, 3), 954 }; 955 956 957 static ssize_t 958 show_sf2_level(struct device *dev, struct device_attribute *attr, 959 char *buf) 960 { 961 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 962 int nr = sensor_attr->nr; 963 int index = sensor_attr->index; 964 struct w83792d_data *data = w83792d_update_device(dev); 965 return sprintf(buf, "%d\n", 966 (((data->sf2_levels[index-1][nr]) * 100) / 15)); 967 } 968 969 static ssize_t 970 store_sf2_level(struct device *dev, struct device_attribute *attr, 971 const char *buf, size_t count) 972 { 973 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 974 int nr = sensor_attr->nr; 975 int index = sensor_attr->index - 1; 976 struct i2c_client *client = to_i2c_client(dev); 977 struct w83792d_data *data = i2c_get_clientdata(client); 978 u32 val; 979 u8 mask_tmp=0, level_tmp=0; 980 981 val = simple_strtoul(buf, NULL, 10); 982 data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); 983 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) 984 & ((nr==3) ? 0xf0 : 0x0f); 985 if (nr==3) { 986 level_tmp = data->sf2_levels[index][nr]; 987 } else { 988 level_tmp = data->sf2_levels[index][nr] << 4; 989 } 990 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); 991 992 return count; 993 } 994 995 static struct sensor_device_attribute_2 sda_sf2_level[] = { 996 SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, 997 show_sf2_level, store_sf2_level, 1, 1), 998 SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, 999 show_sf2_level, store_sf2_level, 2, 1), 1000 SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, 1001 show_sf2_level, store_sf2_level, 3, 1), 1002 1003 SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, 1004 show_sf2_level, store_sf2_level, 1, 2), 1005 SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, 1006 show_sf2_level, store_sf2_level, 2, 2), 1007 SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, 1008 show_sf2_level, store_sf2_level, 3, 2), 1009 1010 SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, 1011 show_sf2_level, store_sf2_level, 1, 3), 1012 SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, 1013 show_sf2_level, store_sf2_level, 2, 3), 1014 SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, 1015 show_sf2_level, store_sf2_level, 3, 3), 1016 }; 1017 1018 /* This function is called when: 1019 * w83792d_driver is inserted (when this module is loaded), for each 1020 available adapter 1021 * when a new adapter is inserted (and w83792d_driver is still present) */ 1022 static int 1023 w83792d_attach_adapter(struct i2c_adapter *adapter) 1024 { 1025 if (!(adapter->class & I2C_CLASS_HWMON)) 1026 return 0; 1027 return i2c_probe(adapter, &addr_data, w83792d_detect); 1028 } 1029 1030 1031 static int 1032 w83792d_create_subclient(struct i2c_adapter *adapter, 1033 struct i2c_client *new_client, int addr, 1034 struct i2c_client **sub_cli) 1035 { 1036 int err; 1037 struct i2c_client *sub_client; 1038 1039 (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); 1040 if (!(sub_client)) { 1041 return -ENOMEM; 1042 } 1043 sub_client->addr = 0x48 + addr; 1044 i2c_set_clientdata(sub_client, NULL); 1045 sub_client->adapter = adapter; 1046 sub_client->driver = &w83792d_driver; 1047 sub_client->flags = 0; 1048 strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); 1049 if ((err = i2c_attach_client(sub_client))) { 1050 dev_err(&new_client->dev, "subclient registration " 1051 "at address 0x%x failed\n", sub_client->addr); 1052 kfree(sub_client); 1053 return err; 1054 } 1055 return 0; 1056 } 1057 1058 1059 static int 1060 w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, 1061 struct i2c_client *new_client) 1062 { 1063 int i, id, err; 1064 u8 val; 1065 struct w83792d_data *data = i2c_get_clientdata(new_client); 1066 1067 id = i2c_adapter_id(adapter); 1068 if (force_subclients[0] == id && force_subclients[1] == address) { 1069 for (i = 2; i <= 3; i++) { 1070 if (force_subclients[i] < 0x48 || 1071 force_subclients[i] > 0x4f) { 1072 dev_err(&new_client->dev, "invalid subclient " 1073 "address %d; must be 0x48-0x4f\n", 1074 force_subclients[i]); 1075 err = -ENODEV; 1076 goto ERROR_SC_0; 1077 } 1078 } 1079 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, 1080 (force_subclients[2] & 0x07) | 1081 ((force_subclients[3] & 0x07) << 4)); 1082 } 1083 1084 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); 1085 if (!(val & 0x08)) { 1086 err = w83792d_create_subclient(adapter, new_client, val & 0x7, 1087 &data->lm75[0]); 1088 if (err < 0) 1089 goto ERROR_SC_0; 1090 } 1091 if (!(val & 0x80)) { 1092 if ((data->lm75[0] != NULL) && 1093 ((val & 0x7) == ((val >> 4) & 0x7))) { 1094 dev_err(&new_client->dev, "duplicate addresses 0x%x, " 1095 "use force_subclient\n", data->lm75[0]->addr); 1096 err = -ENODEV; 1097 goto ERROR_SC_1; 1098 } 1099 err = w83792d_create_subclient(adapter, new_client, 1100 (val >> 4) & 0x7, &data->lm75[1]); 1101 if (err < 0) 1102 goto ERROR_SC_1; 1103 } 1104 1105 return 0; 1106 1107 /* Undo inits in case of errors */ 1108 1109 ERROR_SC_1: 1110 if (data->lm75[0] != NULL) { 1111 i2c_detach_client(data->lm75[0]); 1112 kfree(data->lm75[0]); 1113 } 1114 ERROR_SC_0: 1115 return err; 1116 } 1117 1118 static void device_create_file_fan(struct device *dev, int i) 1119 { 1120 device_create_file(dev, &sda_fan_input[i].dev_attr); 1121 device_create_file(dev, &sda_fan_div[i].dev_attr); 1122 device_create_file(dev, &sda_fan_min[i].dev_attr); 1123 } 1124 1125 static int 1126 w83792d_detect(struct i2c_adapter *adapter, int address, int kind) 1127 { 1128 int i = 0, val1 = 0, val2; 1129 struct i2c_client *client; 1130 struct device *dev; 1131 struct w83792d_data *data; 1132 int err = 0; 1133 const char *client_name = ""; 1134 1135 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 1136 goto ERROR0; 1137 } 1138 1139 /* OK. For now, we presume we have a valid client. We now create the 1140 client structure, even though we cannot fill it completely yet. 1141 But it allows us to access w83792d_{read,write}_value. */ 1142 1143 if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { 1144 err = -ENOMEM; 1145 goto ERROR0; 1146 } 1147 1148 client = &data->client; 1149 dev = &client->dev; 1150 i2c_set_clientdata(client, data); 1151 client->addr = address; 1152 client->adapter = adapter; 1153 client->driver = &w83792d_driver; 1154 client->flags = 0; 1155 1156 /* Now, we do the remaining detection. */ 1157 1158 /* The w83792d may be stuck in some other bank than bank 0. This may 1159 make reading other information impossible. Specify a force=... or 1160 force_*=... parameter, and the Winbond will be reset to the right 1161 bank. */ 1162 if (kind < 0) { 1163 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { 1164 dev_dbg(dev, "Detection failed at step 1\n"); 1165 goto ERROR1; 1166 } 1167 val1 = w83792d_read_value(client, W83792D_REG_BANK); 1168 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1169 /* Check for Winbond ID if in bank 0 */ 1170 if (!(val1 & 0x07)) { /* is Bank0 */ 1171 if (((!(val1 & 0x80)) && (val2 != 0xa3)) || 1172 ((val1 & 0x80) && (val2 != 0x5c))) { 1173 dev_dbg(dev, "Detection failed at step 2\n"); 1174 goto ERROR1; 1175 } 1176 } 1177 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR 1178 should match */ 1179 if (w83792d_read_value(client, 1180 W83792D_REG_I2C_ADDR) != address) { 1181 dev_dbg(dev, "Detection failed at step 3\n"); 1182 goto ERROR1; 1183 } 1184 } 1185 1186 /* We have either had a force parameter, or we have already detected the 1187 Winbond. Put it now into bank 0 and Vendor ID High Byte */ 1188 w83792d_write_value(client, 1189 W83792D_REG_BANK, 1190 (w83792d_read_value(client, 1191 W83792D_REG_BANK) & 0x78) | 0x80); 1192 1193 /* Determine the chip type. */ 1194 if (kind <= 0) { 1195 /* get vendor ID */ 1196 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1197 if (val2 != 0x5c) { /* the vendor is NOT Winbond */ 1198 goto ERROR1; 1199 } 1200 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); 1201 if (val1 == 0x7a) { 1202 kind = w83792d; 1203 } else { 1204 if (kind == 0) 1205 dev_warn(dev, 1206 "w83792d: Ignoring 'force' parameter for" 1207 " unknown chip at adapter %d, address" 1208 " 0x%02x\n", i2c_adapter_id(adapter), 1209 address); 1210 goto ERROR1; 1211 } 1212 } 1213 1214 if (kind == w83792d) { 1215 client_name = "w83792d"; 1216 } else { 1217 dev_err(dev, "w83792d: Internal error: unknown" 1218 " kind (%d)?!?", kind); 1219 goto ERROR1; 1220 } 1221 1222 /* Fill in the remaining client fields and put into the global list */ 1223 strlcpy(client->name, client_name, I2C_NAME_SIZE); 1224 data->type = kind; 1225 1226 data->valid = 0; 1227 mutex_init(&data->update_lock); 1228 1229 /* Tell the I2C layer a new client has arrived */ 1230 if ((err = i2c_attach_client(client))) 1231 goto ERROR1; 1232 1233 if ((err = w83792d_detect_subclients(adapter, address, 1234 kind, client))) 1235 goto ERROR2; 1236 1237 /* Initialize the chip */ 1238 w83792d_init_client(client); 1239 1240 /* A few vars need to be filled upon startup */ 1241 for (i = 0; i < 7; i++) { 1242 data->fan_min[i] = w83792d_read_value(client, 1243 W83792D_REG_FAN_MIN[i]); 1244 } 1245 1246 /* Register sysfs hooks */ 1247 data->class_dev = hwmon_device_register(dev); 1248 if (IS_ERR(data->class_dev)) { 1249 err = PTR_ERR(data->class_dev); 1250 goto ERROR3; 1251 } 1252 for (i = 0; i < 9; i++) { 1253 device_create_file(dev, &sda_in_input[i].dev_attr); 1254 device_create_file(dev, &sda_in_max[i].dev_attr); 1255 device_create_file(dev, &sda_in_min[i].dev_attr); 1256 } 1257 for (i = 0; i < 3; i++) 1258 device_create_file_fan(dev, i); 1259 1260 /* Read GPIO enable register to check if pins for fan 4,5 are used as 1261 GPIO */ 1262 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); 1263 if (!(val1 & 0x40)) 1264 device_create_file_fan(dev, 3); 1265 if (!(val1 & 0x20)) 1266 device_create_file_fan(dev, 4); 1267 1268 val1 = w83792d_read_value(client, W83792D_REG_PIN); 1269 if (val1 & 0x40) 1270 device_create_file_fan(dev, 5); 1271 if (val1 & 0x04) 1272 device_create_file_fan(dev, 6); 1273 1274 for (i = 0; i < 3; i++) { 1275 device_create_file(dev, &sda_temp_input[i].dev_attr); 1276 device_create_file(dev, &sda_temp_max[i].dev_attr); 1277 device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); 1278 device_create_file(dev, &sda_thermal_cruise[i].dev_attr); 1279 device_create_file(dev, &sda_tolerance[i].dev_attr); 1280 } 1281 1282 for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) { 1283 device_create_file(dev, &sda_pwm[i].dev_attr); 1284 device_create_file(dev, &sda_pwm_enable[i].dev_attr); 1285 device_create_file(dev, &sda_pwm_mode[i].dev_attr); 1286 } 1287 1288 device_create_file(dev, &dev_attr_alarms); 1289 device_create_file(dev, &dev_attr_chassis); 1290 device_create_file(dev, &dev_attr_chassis_clear); 1291 1292 for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++) 1293 device_create_file(dev, &sda_sf2_point[i].dev_attr); 1294 1295 for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++) 1296 device_create_file(dev, &sda_sf2_level[i].dev_attr); 1297 1298 return 0; 1299 1300 ERROR3: 1301 if (data->lm75[0] != NULL) { 1302 i2c_detach_client(data->lm75[0]); 1303 kfree(data->lm75[0]); 1304 } 1305 if (data->lm75[1] != NULL) { 1306 i2c_detach_client(data->lm75[1]); 1307 kfree(data->lm75[1]); 1308 } 1309 ERROR2: 1310 i2c_detach_client(client); 1311 ERROR1: 1312 kfree(data); 1313 ERROR0: 1314 return err; 1315 } 1316 1317 static int 1318 w83792d_detach_client(struct i2c_client *client) 1319 { 1320 struct w83792d_data *data = i2c_get_clientdata(client); 1321 int err; 1322 1323 /* main client */ 1324 if (data) 1325 hwmon_device_unregister(data->class_dev); 1326 1327 if ((err = i2c_detach_client(client))) 1328 return err; 1329 1330 /* main client */ 1331 if (data) 1332 kfree(data); 1333 /* subclient */ 1334 else 1335 kfree(client); 1336 1337 return 0; 1338 } 1339 1340 static void 1341 w83792d_init_client(struct i2c_client *client) 1342 { 1343 u8 temp2_cfg, temp3_cfg, vid_in_b; 1344 1345 if (init) { 1346 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); 1347 } 1348 /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): 1349 W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of 1350 vin0/vin1 can be modified by user; 1351 W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of 1352 vin0/vin1 auto-updated, can NOT be modified by user. */ 1353 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); 1354 w83792d_write_value(client, W83792D_REG_VID_IN_B, 1355 vid_in_b & 0xbf); 1356 1357 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); 1358 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); 1359 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, 1360 temp2_cfg & 0xe6); 1361 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, 1362 temp3_cfg & 0xe6); 1363 1364 /* Start monitoring */ 1365 w83792d_write_value(client, W83792D_REG_CONFIG, 1366 (w83792d_read_value(client, 1367 W83792D_REG_CONFIG) & 0xf7) 1368 | 0x01); 1369 } 1370 1371 static struct w83792d_data *w83792d_update_device(struct device *dev) 1372 { 1373 struct i2c_client *client = to_i2c_client(dev); 1374 struct w83792d_data *data = i2c_get_clientdata(client); 1375 int i, j; 1376 u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp; 1377 1378 mutex_lock(&data->update_lock); 1379 1380 if (time_after 1381 (jiffies - data->last_updated, (unsigned long) (HZ * 3)) 1382 || time_before(jiffies, data->last_updated) || !data->valid) { 1383 dev_dbg(dev, "Starting device update\n"); 1384 1385 /* Update the voltages measured value and limits */ 1386 for (i = 0; i < 9; i++) { 1387 data->in[i] = w83792d_read_value(client, 1388 W83792D_REG_IN[i]); 1389 data->in_max[i] = w83792d_read_value(client, 1390 W83792D_REG_IN_MAX[i]); 1391 data->in_min[i] = w83792d_read_value(client, 1392 W83792D_REG_IN_MIN[i]); 1393 } 1394 data->low_bits = w83792d_read_value(client, 1395 W83792D_REG_LOW_BITS1) + 1396 (w83792d_read_value(client, 1397 W83792D_REG_LOW_BITS2) << 8); 1398 for (i = 0; i < 7; i++) { 1399 /* Update the Fan measured value and limits */ 1400 data->fan[i] = w83792d_read_value(client, 1401 W83792D_REG_FAN[i]); 1402 data->fan_min[i] = w83792d_read_value(client, 1403 W83792D_REG_FAN_MIN[i]); 1404 /* Update the PWM/DC Value and PWM/DC flag */ 1405 pwm_array_tmp[i] = w83792d_read_value(client, 1406 W83792D_REG_PWM[i]); 1407 data->pwm[i] = pwm_array_tmp[i] & 0x0f; 1408 data->pwm_mode[i] = pwm_array_tmp[i] >> 7; 1409 } 1410 1411 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); 1412 data->pwmenable[0] = reg_tmp & 0x03; 1413 data->pwmenable[1] = (reg_tmp>>2) & 0x03; 1414 data->pwmenable[2] = (reg_tmp>>4) & 0x03; 1415 1416 for (i = 0; i < 3; i++) { 1417 data->temp1[i] = w83792d_read_value(client, 1418 W83792D_REG_TEMP1[i]); 1419 } 1420 for (i = 0; i < 2; i++) { 1421 for (j = 0; j < 6; j++) { 1422 data->temp_add[i][j] = w83792d_read_value( 1423 client,W83792D_REG_TEMP_ADD[i][j]); 1424 } 1425 } 1426 1427 /* Update the Fan Divisor */ 1428 for (i = 0; i < 4; i++) { 1429 reg_array_tmp[i] = w83792d_read_value(client, 1430 W83792D_REG_FAN_DIV[i]); 1431 } 1432 data->fan_div[0] = reg_array_tmp[0] & 0x07; 1433 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; 1434 data->fan_div[2] = reg_array_tmp[1] & 0x07; 1435 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; 1436 data->fan_div[4] = reg_array_tmp[2] & 0x07; 1437 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; 1438 data->fan_div[6] = reg_array_tmp[3] & 0x07; 1439 1440 /* Update the realtime status */ 1441 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + 1442 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + 1443 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); 1444 1445 /* Update CaseOpen status and it's CLR_CHS. */ 1446 data->chassis = (w83792d_read_value(client, 1447 W83792D_REG_CHASSIS) >> 5) & 0x01; 1448 data->chassis_clear = (w83792d_read_value(client, 1449 W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; 1450 1451 /* Update Thermal Cruise/Smart Fan I target value */ 1452 for (i = 0; i < 3; i++) { 1453 data->thermal_cruise[i] = 1454 w83792d_read_value(client, 1455 W83792D_REG_THERMAL[i]) & 0x7f; 1456 } 1457 1458 /* Update Smart Fan I/II tolerance */ 1459 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); 1460 data->tolerance[0] = reg_tmp & 0x0f; 1461 data->tolerance[1] = (reg_tmp >> 4) & 0x0f; 1462 data->tolerance[2] = w83792d_read_value(client, 1463 W83792D_REG_TOLERANCE[2]) & 0x0f; 1464 1465 /* Update Smart Fan II temperature points */ 1466 for (i = 0; i < 3; i++) { 1467 for (j = 0; j < 4; j++) { 1468 data->sf2_points[i][j] = w83792d_read_value( 1469 client,W83792D_REG_POINTS[i][j]) & 0x7f; 1470 } 1471 } 1472 1473 /* Update Smart Fan II duty cycle levels */ 1474 for (i = 0; i < 3; i++) { 1475 reg_tmp = w83792d_read_value(client, 1476 W83792D_REG_LEVELS[i][0]); 1477 data->sf2_levels[i][0] = reg_tmp & 0x0f; 1478 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; 1479 reg_tmp = w83792d_read_value(client, 1480 W83792D_REG_LEVELS[i][2]); 1481 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; 1482 data->sf2_levels[i][3] = reg_tmp & 0x0f; 1483 } 1484 1485 data->last_updated = jiffies; 1486 data->valid = 1; 1487 } 1488 1489 mutex_unlock(&data->update_lock); 1490 1491 #ifdef DEBUG 1492 w83792d_print_debug(data, dev); 1493 #endif 1494 1495 return data; 1496 } 1497 1498 #ifdef DEBUG 1499 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) 1500 { 1501 int i=0, j=0; 1502 dev_dbg(dev, "==========The following is the debug message...========\n"); 1503 dev_dbg(dev, "9 set of Voltages: =====>\n"); 1504 for (i=0; i<9; i++) { 1505 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); 1506 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); 1507 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); 1508 } 1509 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); 1510 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); 1511 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); 1512 for (i=0; i<7; i++) { 1513 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); 1514 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); 1515 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); 1516 dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]); 1517 } 1518 dev_dbg(dev, "3 set of Temperatures: =====>\n"); 1519 for (i=0; i<3; i++) { 1520 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); 1521 } 1522 1523 for (i=0; i<2; i++) { 1524 for (j=0; j<6; j++) { 1525 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, 1526 data->temp_add[i][j]); 1527 } 1528 } 1529 1530 for (i=0; i<7; i++) { 1531 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); 1532 } 1533 dev_dbg(dev, "==========End of the debug message...==================\n"); 1534 dev_dbg(dev, "\n"); 1535 } 1536 #endif 1537 1538 static int __init 1539 sensors_w83792d_init(void) 1540 { 1541 return i2c_add_driver(&w83792d_driver); 1542 } 1543 1544 static void __exit 1545 sensors_w83792d_exit(void) 1546 { 1547 i2c_del_driver(&w83792d_driver); 1548 } 1549 1550 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); 1551 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); 1552 MODULE_LICENSE("GPL"); 1553 1554 module_init(sensors_w83792d_init); 1555 module_exit(sensors_w83792d_exit); 1556 1557