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@assembler.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/module.h> 39 #include <linux/init.h> 40 #include <linux/slab.h> 41 #include <linux/i2c.h> 42 #include <linux/hwmon.h> 43 #include <linux/hwmon-sysfs.h> 44 #include <linux/err.h> 45 #include <linux/mutex.h> 46 #include <linux/sysfs.h> 47 48 /* Addresses to scan */ 49 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, 50 I2C_CLIENT_END }; 51 52 /* Insmod parameters */ 53 54 static unsigned short force_subclients[4]; 55 module_param_array(force_subclients, short, NULL, 0); 56 MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " 57 "{bus, clientaddr, subclientaddr1, subclientaddr2}"); 58 59 static int init; 60 module_param(init, bool, 0); 61 MODULE_PARM_DESC(init, "Set to one to force chip initialization"); 62 63 /* The W83792D registers */ 64 static const u8 W83792D_REG_IN[9] = { 65 0x20, /* Vcore A in DataSheet */ 66 0x21, /* Vcore B in DataSheet */ 67 0x22, /* VIN0 in DataSheet */ 68 0x23, /* VIN1 in DataSheet */ 69 0x24, /* VIN2 in DataSheet */ 70 0x25, /* VIN3 in DataSheet */ 71 0x26, /* 5VCC in DataSheet */ 72 0xB0, /* 5VSB in DataSheet */ 73 0xB1 /* VBAT in DataSheet */ 74 }; 75 #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ 76 #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ 77 static const u8 W83792D_REG_IN_MAX[9] = { 78 0x2B, /* Vcore A High Limit in DataSheet */ 79 0x2D, /* Vcore B High Limit in DataSheet */ 80 0x2F, /* VIN0 High Limit in DataSheet */ 81 0x31, /* VIN1 High Limit in DataSheet */ 82 0x33, /* VIN2 High Limit in DataSheet */ 83 0x35, /* VIN3 High Limit in DataSheet */ 84 0x37, /* 5VCC High Limit in DataSheet */ 85 0xB4, /* 5VSB High Limit in DataSheet */ 86 0xB6 /* VBAT High Limit in DataSheet */ 87 }; 88 static const u8 W83792D_REG_IN_MIN[9] = { 89 0x2C, /* Vcore A Low Limit in DataSheet */ 90 0x2E, /* Vcore B Low Limit in DataSheet */ 91 0x30, /* VIN0 Low Limit in DataSheet */ 92 0x32, /* VIN1 Low Limit in DataSheet */ 93 0x34, /* VIN2 Low Limit in DataSheet */ 94 0x36, /* VIN3 Low Limit in DataSheet */ 95 0x38, /* 5VCC Low Limit in DataSheet */ 96 0xB5, /* 5VSB Low Limit in DataSheet */ 97 0xB7 /* VBAT Low Limit in DataSheet */ 98 }; 99 static const u8 W83792D_REG_FAN[7] = { 100 0x28, /* FAN 1 Count in DataSheet */ 101 0x29, /* FAN 2 Count in DataSheet */ 102 0x2A, /* FAN 3 Count in DataSheet */ 103 0xB8, /* FAN 4 Count in DataSheet */ 104 0xB9, /* FAN 5 Count in DataSheet */ 105 0xBA, /* FAN 6 Count in DataSheet */ 106 0xBE /* FAN 7 Count in DataSheet */ 107 }; 108 static const u8 W83792D_REG_FAN_MIN[7] = { 109 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 110 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 111 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 112 0xBB, /* FAN 4 Count Low Limit in DataSheet */ 113 0xBC, /* FAN 5 Count Low Limit in DataSheet */ 114 0xBD, /* FAN 6 Count Low Limit in DataSheet */ 115 0xBF /* FAN 7 Count Low Limit in DataSheet */ 116 }; 117 #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ 118 static const u8 W83792D_REG_FAN_DIV[4] = { 119 0x47, /* contains FAN2 and FAN1 Divisor */ 120 0x5B, /* contains FAN4 and FAN3 Divisor */ 121 0x5C, /* contains FAN6 and FAN5 Divisor */ 122 0x9E /* contains FAN7 Divisor. */ 123 }; 124 static const u8 W83792D_REG_PWM[7] = { 125 0x81, /* FAN 1 Duty Cycle, be used to control */ 126 0x83, /* FAN 2 Duty Cycle, be used to control */ 127 0x94, /* FAN 3 Duty Cycle, be used to control */ 128 0xA3, /* FAN 4 Duty Cycle, be used to control */ 129 0xA4, /* FAN 5 Duty Cycle, be used to control */ 130 0xA5, /* FAN 6 Duty Cycle, be used to control */ 131 0xA6 /* FAN 7 Duty Cycle, be used to control */ 132 }; 133 #define W83792D_REG_BANK 0x4E 134 #define W83792D_REG_TEMP2_CONFIG 0xC2 135 #define W83792D_REG_TEMP3_CONFIG 0xCA 136 137 static const u8 W83792D_REG_TEMP1[3] = { 138 0x27, /* TEMP 1 in DataSheet */ 139 0x39, /* TEMP 1 Over in DataSheet */ 140 0x3A, /* TEMP 1 Hyst in DataSheet */ 141 }; 142 143 static const u8 W83792D_REG_TEMP_ADD[2][6] = { 144 { 0xC0, /* TEMP 2 in DataSheet */ 145 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 146 0xC5, /* TEMP 2 Over High part in DataSheet */ 147 0xC6, /* TEMP 2 Over Low part in DataSheet */ 148 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 149 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ 150 { 0xC8, /* TEMP 3 in DataSheet */ 151 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 152 0xCD, /* TEMP 3 Over High part in DataSheet */ 153 0xCE, /* TEMP 3 Over Low part in DataSheet */ 154 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 155 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ 156 }; 157 158 static const u8 W83792D_REG_THERMAL[3] = { 159 0x85, /* SmartFanI: Fan1 target value */ 160 0x86, /* SmartFanI: Fan2 target value */ 161 0x96 /* SmartFanI: Fan3 target value */ 162 }; 163 164 static const u8 W83792D_REG_TOLERANCE[3] = { 165 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ 166 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ 167 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ 168 }; 169 170 static const u8 W83792D_REG_POINTS[3][4] = { 171 { 0x85, /* SmartFanII: Fan1 temp point 1 */ 172 0xE3, /* SmartFanII: Fan1 temp point 2 */ 173 0xE4, /* SmartFanII: Fan1 temp point 3 */ 174 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ 175 { 0x86, /* SmartFanII: Fan2 temp point 1 */ 176 0xE6, /* SmartFanII: Fan2 temp point 2 */ 177 0xE7, /* SmartFanII: Fan2 temp point 3 */ 178 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ 179 { 0x96, /* SmartFanII: Fan3 temp point 1 */ 180 0xE9, /* SmartFanII: Fan3 temp point 2 */ 181 0xEA, /* SmartFanII: Fan3 temp point 3 */ 182 0xEB } /* SmartFanII: Fan3 temp point 4 */ 183 }; 184 185 static const u8 W83792D_REG_LEVELS[3][4] = { 186 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ 187 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ 188 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ 189 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ 190 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ 191 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ 192 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ 193 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ 194 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ 195 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ 196 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ 197 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ 198 }; 199 200 #define W83792D_REG_GPIO_EN 0x1A 201 #define W83792D_REG_CONFIG 0x40 202 #define W83792D_REG_VID_FANDIV 0x47 203 #define W83792D_REG_CHIPID 0x49 204 #define W83792D_REG_WCHIPID 0x58 205 #define W83792D_REG_CHIPMAN 0x4F 206 #define W83792D_REG_PIN 0x4B 207 #define W83792D_REG_I2C_SUBADDR 0x4A 208 209 #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ 210 #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ 211 #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ 212 #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ 213 #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ 214 215 /* control in0/in1 's limit modifiability */ 216 #define W83792D_REG_VID_IN_B 0x17 217 218 #define W83792D_REG_VBAT 0x5D 219 #define W83792D_REG_I2C_ADDR 0x48 220 221 /* Conversions. Rounding and limit checking is only done on the TO_REG 222 variants. Note that you should be a bit careful with which arguments 223 these macros are called: arguments may be evaluated more than once. 224 Fixing this is just not worth it. */ 225 #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ 226 ((((nr)==6)||((nr)==7))?(val*6):(val*4))) 227 #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ 228 ((((nr)==6)||((nr)==7))?(val/6):(val/4))) 229 230 static inline u8 231 FAN_TO_REG(long rpm, int div) 232 { 233 if (rpm == 0) 234 return 255; 235 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 236 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 237 } 238 239 #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ 240 ((val) == 255 ? 0 : \ 241 1350000 / ((val) * (div)))) 242 243 /* for temp1 */ 244 #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 245 : (val)) / 1000, 0, 0xff)) 246 #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) 247 /* for temp2 and temp3, because they need addtional resolution */ 248 #define TEMP_ADD_FROM_REG(val1, val2) \ 249 ((((val1) & 0x80 ? (val1)-0x100 \ 250 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) 251 #define TEMP_ADD_TO_REG_HIGH(val) \ 252 (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 253 : (val)) / 1000, 0, 0xff)) 254 #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) 255 256 #define DIV_FROM_REG(val) (1 << (val)) 257 258 static inline u8 259 DIV_TO_REG(long val) 260 { 261 int i; 262 val = SENSORS_LIMIT(val, 1, 128) >> 1; 263 for (i = 0; i < 7; i++) { 264 if (val == 0) 265 break; 266 val >>= 1; 267 } 268 return ((u8) i); 269 } 270 271 struct w83792d_data { 272 struct device *hwmon_dev; 273 274 struct mutex update_lock; 275 char valid; /* !=0 if following fields are valid */ 276 unsigned long last_updated; /* In jiffies */ 277 278 /* array of 2 pointers to subclients */ 279 struct i2c_client *lm75[2]; 280 281 u8 in[9]; /* Register value */ 282 u8 in_max[9]; /* Register value */ 283 u8 in_min[9]; /* Register value */ 284 u16 low_bits; /* Additional resolution to voltage in6-0 */ 285 u8 fan[7]; /* Register value */ 286 u8 fan_min[7]; /* Register value */ 287 u8 temp1[3]; /* current, over, thyst */ 288 u8 temp_add[2][6]; /* Register value */ 289 u8 fan_div[7]; /* Register encoding, shifted right */ 290 u8 pwm[7]; /* We only consider the first 3 set of pwm, 291 although 792 chip has 7 set of pwm. */ 292 u8 pwmenable[3]; 293 u32 alarms; /* realtime status register encoding,combined */ 294 u8 chassis; /* Chassis status */ 295 u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ 296 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ 297 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ 298 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ 299 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ 300 }; 301 302 static int w83792d_probe(struct i2c_client *client, 303 const struct i2c_device_id *id); 304 static int w83792d_detect(struct i2c_client *client, 305 struct i2c_board_info *info); 306 static int w83792d_remove(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 const struct i2c_device_id w83792d_id[] = { 316 { "w83792d", 0 }, 317 { } 318 }; 319 MODULE_DEVICE_TABLE(i2c, w83792d_id); 320 321 static struct i2c_driver w83792d_driver = { 322 .class = I2C_CLASS_HWMON, 323 .driver = { 324 .name = "w83792d", 325 }, 326 .probe = w83792d_probe, 327 .remove = w83792d_remove, 328 .id_table = w83792d_id, 329 .detect = w83792d_detect, 330 .address_list = normal_i2c, 331 }; 332 333 static inline long in_count_from_reg(int nr, struct w83792d_data *data) 334 { 335 /* in7 and in8 do not have low bits, but the formula still works */ 336 return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); 337 } 338 339 /* The SMBus locks itself. The Winbond W83792D chip has a bank register, 340 but the driver only accesses registers in bank 0, so we don't have 341 to switch banks and lock access between switches. */ 342 static inline int w83792d_read_value(struct i2c_client *client, u8 reg) 343 { 344 return i2c_smbus_read_byte_data(client, reg); 345 } 346 347 static inline int 348 w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) 349 { 350 return i2c_smbus_write_byte_data(client, reg, value); 351 } 352 353 /* following are the sysfs callback functions */ 354 static ssize_t show_in(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", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); 361 } 362 363 #define show_in_reg(reg) \ 364 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 365 char *buf) \ 366 { \ 367 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 368 int nr = sensor_attr->index; \ 369 struct w83792d_data *data = w83792d_update_device(dev); \ 370 return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ 371 } 372 373 show_in_reg(in_min); 374 show_in_reg(in_max); 375 376 #define store_in_reg(REG, reg) \ 377 static ssize_t store_in_##reg (struct device *dev, \ 378 struct device_attribute *attr, \ 379 const char *buf, size_t count) \ 380 { \ 381 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 382 int nr = sensor_attr->index; \ 383 struct i2c_client *client = to_i2c_client(dev); \ 384 struct w83792d_data *data = i2c_get_clientdata(client); \ 385 u32 val; \ 386 \ 387 val = simple_strtoul(buf, NULL, 10); \ 388 mutex_lock(&data->update_lock); \ 389 data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ 390 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 391 mutex_unlock(&data->update_lock); \ 392 \ 393 return count; \ 394 } 395 store_in_reg(MIN, min); 396 store_in_reg(MAX, max); 397 398 #define show_fan_reg(reg) \ 399 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ 400 char *buf) \ 401 { \ 402 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 403 int nr = sensor_attr->index - 1; \ 404 struct w83792d_data *data = w83792d_update_device(dev); \ 405 return sprintf(buf,"%d\n", \ 406 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 407 } 408 409 show_fan_reg(fan); 410 show_fan_reg(fan_min); 411 412 static ssize_t 413 store_fan_min(struct device *dev, struct device_attribute *attr, 414 const char *buf, size_t count) 415 { 416 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 417 int nr = sensor_attr->index - 1; 418 struct i2c_client *client = to_i2c_client(dev); 419 struct w83792d_data *data = i2c_get_clientdata(client); 420 u32 val; 421 422 val = simple_strtoul(buf, NULL, 10); 423 mutex_lock(&data->update_lock); 424 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 425 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], 426 data->fan_min[nr]); 427 mutex_unlock(&data->update_lock); 428 429 return count; 430 } 431 432 static ssize_t 433 show_fan_div(struct device *dev, struct device_attribute *attr, 434 char *buf) 435 { 436 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 437 int nr = sensor_attr->index; 438 struct w83792d_data *data = w83792d_update_device(dev); 439 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); 440 } 441 442 /* Note: we save and restore the fan minimum here, because its value is 443 determined in part by the fan divisor. This follows the principle of 444 least surprise; the user doesn't expect the fan minimum to change just 445 because the divisor changed. */ 446 static ssize_t 447 store_fan_div(struct device *dev, struct device_attribute *attr, 448 const char *buf, size_t count) 449 { 450 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 451 int nr = sensor_attr->index - 1; 452 struct i2c_client *client = to_i2c_client(dev); 453 struct w83792d_data *data = i2c_get_clientdata(client); 454 unsigned long min; 455 /*u8 reg;*/ 456 u8 fan_div_reg = 0; 457 u8 tmp_fan_div; 458 459 /* Save fan_min */ 460 mutex_lock(&data->update_lock); 461 min = FAN_FROM_REG(data->fan_min[nr], 462 DIV_FROM_REG(data->fan_div[nr])); 463 464 data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); 465 466 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); 467 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; 468 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) 469 : ((data->fan_div[nr]) & 0x07); 470 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], 471 fan_div_reg | tmp_fan_div); 472 473 /* Restore fan_min */ 474 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 475 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); 476 mutex_unlock(&data->update_lock); 477 478 return count; 479 } 480 481 /* read/write the temperature1, includes measured value and limits */ 482 483 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, 484 char *buf) 485 { 486 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 487 int nr = sensor_attr->index; 488 struct w83792d_data *data = w83792d_update_device(dev); 489 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); 490 } 491 492 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, 493 const char *buf, size_t count) 494 { 495 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 496 int nr = sensor_attr->index; 497 struct i2c_client *client = to_i2c_client(dev); 498 struct w83792d_data *data = i2c_get_clientdata(client); 499 s32 val; 500 501 val = simple_strtol(buf, NULL, 10); 502 mutex_lock(&data->update_lock); 503 data->temp1[nr] = TEMP1_TO_REG(val); 504 w83792d_write_value(client, W83792D_REG_TEMP1[nr], 505 data->temp1[nr]); 506 mutex_unlock(&data->update_lock); 507 508 return count; 509 } 510 511 /* read/write the temperature2-3, includes measured value and limits */ 512 513 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, 514 char *buf) 515 { 516 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 517 int nr = sensor_attr->nr; 518 int index = sensor_attr->index; 519 struct w83792d_data *data = w83792d_update_device(dev); 520 return sprintf(buf,"%ld\n", 521 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], 522 data->temp_add[nr][index+1])); 523 } 524 525 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 526 const char *buf, size_t count) 527 { 528 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 529 int nr = sensor_attr->nr; 530 int index = sensor_attr->index; 531 struct i2c_client *client = to_i2c_client(dev); 532 struct w83792d_data *data = i2c_get_clientdata(client); 533 s32 val; 534 535 val = simple_strtol(buf, NULL, 10); 536 mutex_lock(&data->update_lock); 537 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); 538 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); 539 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], 540 data->temp_add[nr][index]); 541 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], 542 data->temp_add[nr][index+1]); 543 mutex_unlock(&data->update_lock); 544 545 return count; 546 } 547 548 /* get reatime status of all sensors items: voltage, temp, fan */ 549 static ssize_t 550 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 551 { 552 struct w83792d_data *data = w83792d_update_device(dev); 553 return sprintf(buf, "%d\n", data->alarms); 554 } 555 556 static ssize_t show_alarm(struct device *dev, 557 struct device_attribute *attr, char *buf) 558 { 559 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 560 int nr = sensor_attr->index; 561 struct w83792d_data *data = w83792d_update_device(dev); 562 return sprintf(buf, "%d\n", (data->alarms >> nr) & 1); 563 } 564 565 static ssize_t 566 show_pwm(struct device *dev, struct device_attribute *attr, 567 char *buf) 568 { 569 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 570 int nr = sensor_attr->index; 571 struct w83792d_data *data = w83792d_update_device(dev); 572 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); 573 } 574 575 static ssize_t 576 show_pwmenable(struct device *dev, struct device_attribute *attr, 577 char *buf) 578 { 579 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 580 int nr = sensor_attr->index - 1; 581 struct w83792d_data *data = w83792d_update_device(dev); 582 long pwm_enable_tmp = 1; 583 584 switch (data->pwmenable[nr]) { 585 case 0: 586 pwm_enable_tmp = 1; /* manual mode */ 587 break; 588 case 1: 589 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ 590 break; 591 case 2: 592 pwm_enable_tmp = 2; /* Smart Fan II */ 593 break; 594 } 595 596 return sprintf(buf, "%ld\n", pwm_enable_tmp); 597 } 598 599 static ssize_t 600 store_pwm(struct device *dev, struct device_attribute *attr, 601 const char *buf, size_t count) 602 { 603 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 604 int nr = sensor_attr->index; 605 struct i2c_client *client = to_i2c_client(dev); 606 struct w83792d_data *data = i2c_get_clientdata(client); 607 u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; 608 609 mutex_lock(&data->update_lock); 610 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; 611 data->pwm[nr] = val; 612 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 613 mutex_unlock(&data->update_lock); 614 615 return count; 616 } 617 618 static ssize_t 619 store_pwmenable(struct device *dev, struct device_attribute *attr, 620 const char *buf, size_t count) 621 { 622 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 623 int nr = sensor_attr->index - 1; 624 struct i2c_client *client = to_i2c_client(dev); 625 struct w83792d_data *data = i2c_get_clientdata(client); 626 u32 val; 627 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; 628 629 val = simple_strtoul(buf, NULL, 10); 630 if (val < 1 || val > 3) 631 return -EINVAL; 632 633 mutex_lock(&data->update_lock); 634 switch (val) { 635 case 1: 636 data->pwmenable[nr] = 0; /* manual mode */ 637 break; 638 case 2: 639 data->pwmenable[nr] = 2; /* Smart Fan II */ 640 break; 641 case 3: 642 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ 643 break; 644 } 645 cfg1_tmp = data->pwmenable[0]; 646 cfg2_tmp = (data->pwmenable[1]) << 2; 647 cfg3_tmp = (data->pwmenable[2]) << 4; 648 cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; 649 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; 650 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); 651 mutex_unlock(&data->update_lock); 652 653 return count; 654 } 655 656 static ssize_t 657 show_pwm_mode(struct device *dev, struct device_attribute *attr, 658 char *buf) 659 { 660 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 661 int nr = sensor_attr->index; 662 struct w83792d_data *data = w83792d_update_device(dev); 663 return sprintf(buf, "%d\n", data->pwm[nr] >> 7); 664 } 665 666 static ssize_t 667 store_pwm_mode(struct device *dev, struct device_attribute *attr, 668 const char *buf, size_t count) 669 { 670 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 671 int nr = sensor_attr->index; 672 struct i2c_client *client = to_i2c_client(dev); 673 struct w83792d_data *data = i2c_get_clientdata(client); 674 u32 val; 675 676 val = simple_strtoul(buf, NULL, 10); 677 if (val != 0 && val != 1) 678 return -EINVAL; 679 680 mutex_lock(&data->update_lock); 681 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); 682 if (val) { /* PWM mode */ 683 data->pwm[nr] |= 0x80; 684 } else { /* DC mode */ 685 data->pwm[nr] &= 0x7f; 686 } 687 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 688 mutex_unlock(&data->update_lock); 689 690 return count; 691 } 692 693 static ssize_t 694 show_chassis(struct device *dev, struct device_attribute *attr, 695 char *buf) 696 { 697 struct w83792d_data *data = w83792d_update_device(dev); 698 return sprintf(buf, "%d\n", data->chassis); 699 } 700 701 static ssize_t 702 show_regs_chassis(struct device *dev, struct device_attribute *attr, 703 char *buf) 704 { 705 dev_warn(dev, 706 "Attribute %s is deprecated, use intrusion0_alarm instead\n", 707 "chassis"); 708 return show_chassis(dev, attr, buf); 709 } 710 711 static ssize_t 712 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) 713 { 714 struct w83792d_data *data = w83792d_update_device(dev); 715 return sprintf(buf, "%d\n", data->chassis_clear); 716 } 717 718 static ssize_t 719 store_chassis_clear_legacy(struct device *dev, struct device_attribute *attr, 720 const char *buf, size_t count) 721 { 722 struct i2c_client *client = to_i2c_client(dev); 723 struct w83792d_data *data = i2c_get_clientdata(client); 724 u32 val; 725 u8 temp1 = 0, temp2 = 0; 726 727 dev_warn(dev, 728 "Attribute %s is deprecated, use intrusion0_alarm instead\n", 729 "chassis_clear"); 730 731 val = simple_strtoul(buf, NULL, 10); 732 mutex_lock(&data->update_lock); 733 data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); 734 temp1 = ((data->chassis_clear) << 7) & 0x80; 735 temp2 = w83792d_read_value(client, 736 W83792D_REG_CHASSIS_CLR) & 0x7f; 737 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); 738 mutex_unlock(&data->update_lock); 739 740 return count; 741 } 742 743 static ssize_t 744 store_chassis_clear(struct device *dev, struct device_attribute *attr, 745 const char *buf, size_t count) 746 { 747 struct i2c_client *client = to_i2c_client(dev); 748 struct w83792d_data *data = i2c_get_clientdata(client); 749 unsigned long val; 750 u8 reg; 751 752 if (strict_strtoul(buf, 10, &val) || val != 0) 753 return -EINVAL; 754 755 mutex_lock(&data->update_lock); 756 reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR); 757 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80); 758 data->valid = 0; /* Force cache refresh */ 759 mutex_unlock(&data->update_lock); 760 761 return count; 762 } 763 764 /* For Smart Fan I / Thermal Cruise */ 765 static ssize_t 766 show_thermal_cruise(struct device *dev, struct device_attribute *attr, 767 char *buf) 768 { 769 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 770 int nr = sensor_attr->index; 771 struct w83792d_data *data = w83792d_update_device(dev); 772 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); 773 } 774 775 static ssize_t 776 store_thermal_cruise(struct device *dev, struct device_attribute *attr, 777 const char *buf, size_t count) 778 { 779 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 780 int nr = sensor_attr->index - 1; 781 struct i2c_client *client = to_i2c_client(dev); 782 struct w83792d_data *data = i2c_get_clientdata(client); 783 u32 val; 784 u8 target_tmp=0, target_mask=0; 785 786 val = simple_strtoul(buf, NULL, 10); 787 target_tmp = val; 788 target_tmp = target_tmp & 0x7f; 789 mutex_lock(&data->update_lock); 790 target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; 791 data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); 792 w83792d_write_value(client, W83792D_REG_THERMAL[nr], 793 (data->thermal_cruise[nr]) | target_mask); 794 mutex_unlock(&data->update_lock); 795 796 return count; 797 } 798 799 /* For Smart Fan I/Thermal Cruise and Smart Fan II */ 800 static ssize_t 801 show_tolerance(struct device *dev, struct device_attribute *attr, 802 char *buf) 803 { 804 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 805 int nr = sensor_attr->index; 806 struct w83792d_data *data = w83792d_update_device(dev); 807 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); 808 } 809 810 static ssize_t 811 store_tolerance(struct device *dev, struct device_attribute *attr, 812 const char *buf, size_t count) 813 { 814 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 815 int nr = sensor_attr->index - 1; 816 struct i2c_client *client = to_i2c_client(dev); 817 struct w83792d_data *data = i2c_get_clientdata(client); 818 u32 val; 819 u8 tol_tmp, tol_mask; 820 821 val = simple_strtoul(buf, NULL, 10); 822 mutex_lock(&data->update_lock); 823 tol_mask = w83792d_read_value(client, 824 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); 825 tol_tmp = SENSORS_LIMIT(val, 0, 15); 826 tol_tmp &= 0x0f; 827 data->tolerance[nr] = tol_tmp; 828 if (nr == 1) { 829 tol_tmp <<= 4; 830 } 831 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], 832 tol_mask | tol_tmp); 833 mutex_unlock(&data->update_lock); 834 835 return count; 836 } 837 838 /* For Smart Fan II */ 839 static ssize_t 840 show_sf2_point(struct device *dev, struct device_attribute *attr, 841 char *buf) 842 { 843 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 844 int nr = sensor_attr->nr; 845 int index = sensor_attr->index; 846 struct w83792d_data *data = w83792d_update_device(dev); 847 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); 848 } 849 850 static ssize_t 851 store_sf2_point(struct device *dev, struct device_attribute *attr, 852 const char *buf, size_t count) 853 { 854 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 855 int nr = sensor_attr->nr - 1; 856 int index = sensor_attr->index - 1; 857 struct i2c_client *client = to_i2c_client(dev); 858 struct w83792d_data *data = i2c_get_clientdata(client); 859 u32 val; 860 u8 mask_tmp = 0; 861 862 val = simple_strtoul(buf, NULL, 10); 863 mutex_lock(&data->update_lock); 864 data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); 865 mask_tmp = w83792d_read_value(client, 866 W83792D_REG_POINTS[index][nr]) & 0x80; 867 w83792d_write_value(client, W83792D_REG_POINTS[index][nr], 868 mask_tmp|data->sf2_points[index][nr]); 869 mutex_unlock(&data->update_lock); 870 871 return count; 872 } 873 874 static ssize_t 875 show_sf2_level(struct device *dev, struct device_attribute *attr, 876 char *buf) 877 { 878 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 879 int nr = sensor_attr->nr; 880 int index = sensor_attr->index; 881 struct w83792d_data *data = w83792d_update_device(dev); 882 return sprintf(buf, "%d\n", 883 (((data->sf2_levels[index-1][nr]) * 100) / 15)); 884 } 885 886 static ssize_t 887 store_sf2_level(struct device *dev, struct device_attribute *attr, 888 const char *buf, size_t count) 889 { 890 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 891 int nr = sensor_attr->nr; 892 int index = sensor_attr->index - 1; 893 struct i2c_client *client = to_i2c_client(dev); 894 struct w83792d_data *data = i2c_get_clientdata(client); 895 u32 val; 896 u8 mask_tmp=0, level_tmp=0; 897 898 val = simple_strtoul(buf, NULL, 10); 899 mutex_lock(&data->update_lock); 900 data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); 901 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) 902 & ((nr==3) ? 0xf0 : 0x0f); 903 if (nr==3) { 904 level_tmp = data->sf2_levels[index][nr]; 905 } else { 906 level_tmp = data->sf2_levels[index][nr] << 4; 907 } 908 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); 909 mutex_unlock(&data->update_lock); 910 911 return count; 912 } 913 914 915 static int 916 w83792d_detect_subclients(struct i2c_client *new_client) 917 { 918 int i, id, err; 919 int address = new_client->addr; 920 u8 val; 921 struct i2c_adapter *adapter = new_client->adapter; 922 struct w83792d_data *data = i2c_get_clientdata(new_client); 923 924 id = i2c_adapter_id(adapter); 925 if (force_subclients[0] == id && force_subclients[1] == address) { 926 for (i = 2; i <= 3; i++) { 927 if (force_subclients[i] < 0x48 || 928 force_subclients[i] > 0x4f) { 929 dev_err(&new_client->dev, "invalid subclient " 930 "address %d; must be 0x48-0x4f\n", 931 force_subclients[i]); 932 err = -ENODEV; 933 goto ERROR_SC_0; 934 } 935 } 936 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, 937 (force_subclients[2] & 0x07) | 938 ((force_subclients[3] & 0x07) << 4)); 939 } 940 941 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); 942 if (!(val & 0x08)) { 943 data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7)); 944 } 945 if (!(val & 0x80)) { 946 if ((data->lm75[0] != NULL) && 947 ((val & 0x7) == ((val >> 4) & 0x7))) { 948 dev_err(&new_client->dev, "duplicate addresses 0x%x, " 949 "use force_subclient\n", data->lm75[0]->addr); 950 err = -ENODEV; 951 goto ERROR_SC_1; 952 } 953 data->lm75[1] = i2c_new_dummy(adapter, 954 0x48 + ((val >> 4) & 0x7)); 955 } 956 957 return 0; 958 959 /* Undo inits in case of errors */ 960 961 ERROR_SC_1: 962 if (data->lm75[0] != NULL) 963 i2c_unregister_device(data->lm75[0]); 964 ERROR_SC_0: 965 return err; 966 } 967 968 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); 969 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); 970 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); 971 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); 972 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); 973 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); 974 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); 975 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); 976 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); 977 static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, 978 show_in_min, store_in_min, 0); 979 static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, 980 show_in_min, store_in_min, 1); 981 static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, 982 show_in_min, store_in_min, 2); 983 static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, 984 show_in_min, store_in_min, 3); 985 static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, 986 show_in_min, store_in_min, 4); 987 static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, 988 show_in_min, store_in_min, 5); 989 static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, 990 show_in_min, store_in_min, 6); 991 static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, 992 show_in_min, store_in_min, 7); 993 static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, 994 show_in_min, store_in_min, 8); 995 static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, 996 show_in_max, store_in_max, 0); 997 static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, 998 show_in_max, store_in_max, 1); 999 static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, 1000 show_in_max, store_in_max, 2); 1001 static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, 1002 show_in_max, store_in_max, 3); 1003 static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, 1004 show_in_max, store_in_max, 4); 1005 static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, 1006 show_in_max, store_in_max, 5); 1007 static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, 1008 show_in_max, store_in_max, 6); 1009 static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, 1010 show_in_max, store_in_max, 7); 1011 static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, 1012 show_in_max, store_in_max, 8); 1013 static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0); 1014 static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0); 1015 static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0); 1016 static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, 1017 show_temp1, store_temp1, 0, 1); 1018 static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, 1019 store_temp23, 0, 2); 1020 static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, 1021 store_temp23, 1, 2); 1022 static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, 1023 show_temp1, store_temp1, 0, 2); 1024 static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, 1025 show_temp23, store_temp23, 0, 4); 1026 static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, 1027 show_temp23, store_temp23, 1, 4); 1028 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 1029 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 1030 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 1031 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2); 1032 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3); 1033 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4); 1034 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5); 1035 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6); 1036 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7); 1037 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8); 1038 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9); 1039 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10); 1040 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11); 1041 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12); 1042 static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15); 1043 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19); 1044 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20); 1045 static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21); 1046 static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22); 1047 static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23); 1048 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); 1049 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, 1050 show_chassis_clear, store_chassis_clear_legacy); 1051 static DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR, 1052 show_chassis, store_chassis_clear); 1053 static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); 1054 static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); 1055 static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2); 1056 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 1057 show_pwmenable, store_pwmenable, 1); 1058 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 1059 show_pwmenable, store_pwmenable, 2); 1060 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 1061 show_pwmenable, store_pwmenable, 3); 1062 static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, 1063 show_pwm_mode, store_pwm_mode, 0); 1064 static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, 1065 show_pwm_mode, store_pwm_mode, 1); 1066 static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, 1067 show_pwm_mode, store_pwm_mode, 2); 1068 static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO, 1069 show_tolerance, store_tolerance, 1); 1070 static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO, 1071 show_tolerance, store_tolerance, 2); 1072 static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO, 1073 show_tolerance, store_tolerance, 3); 1074 static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, 1075 show_thermal_cruise, store_thermal_cruise, 1); 1076 static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, 1077 show_thermal_cruise, store_thermal_cruise, 2); 1078 static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, 1079 show_thermal_cruise, store_thermal_cruise, 3); 1080 static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, 1081 show_sf2_point, store_sf2_point, 1, 1); 1082 static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, 1083 show_sf2_point, store_sf2_point, 2, 1); 1084 static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, 1085 show_sf2_point, store_sf2_point, 3, 1); 1086 static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, 1087 show_sf2_point, store_sf2_point, 4, 1); 1088 static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, 1089 show_sf2_point, store_sf2_point, 1, 2); 1090 static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, 1091 show_sf2_point, store_sf2_point, 2, 2); 1092 static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, 1093 show_sf2_point, store_sf2_point, 3, 2); 1094 static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, 1095 show_sf2_point, store_sf2_point, 4, 2); 1096 static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, 1097 show_sf2_point, store_sf2_point, 1, 3); 1098 static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, 1099 show_sf2_point, store_sf2_point, 2, 3); 1100 static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, 1101 show_sf2_point, store_sf2_point, 3, 3); 1102 static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, 1103 show_sf2_point, store_sf2_point, 4, 3); 1104 static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, 1105 show_sf2_level, store_sf2_level, 1, 1); 1106 static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, 1107 show_sf2_level, store_sf2_level, 2, 1); 1108 static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, 1109 show_sf2_level, store_sf2_level, 3, 1); 1110 static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, 1111 show_sf2_level, store_sf2_level, 1, 2); 1112 static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, 1113 show_sf2_level, store_sf2_level, 2, 2); 1114 static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, 1115 show_sf2_level, store_sf2_level, 3, 2); 1116 static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, 1117 show_sf2_level, store_sf2_level, 1, 3); 1118 static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, 1119 show_sf2_level, store_sf2_level, 2, 3); 1120 static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, 1121 show_sf2_level, store_sf2_level, 3, 3); 1122 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1); 1123 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2); 1124 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3); 1125 static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4); 1126 static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5); 1127 static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6); 1128 static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7); 1129 static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, 1130 show_fan_min, store_fan_min, 1); 1131 static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, 1132 show_fan_min, store_fan_min, 2); 1133 static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, 1134 show_fan_min, store_fan_min, 3); 1135 static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, 1136 show_fan_min, store_fan_min, 4); 1137 static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, 1138 show_fan_min, store_fan_min, 5); 1139 static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, 1140 show_fan_min, store_fan_min, 6); 1141 static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, 1142 show_fan_min, store_fan_min, 7); 1143 static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, 1144 show_fan_div, store_fan_div, 1); 1145 static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, 1146 show_fan_div, store_fan_div, 2); 1147 static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO, 1148 show_fan_div, store_fan_div, 3); 1149 static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO, 1150 show_fan_div, store_fan_div, 4); 1151 static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO, 1152 show_fan_div, store_fan_div, 5); 1153 static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO, 1154 show_fan_div, store_fan_div, 6); 1155 static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO, 1156 show_fan_div, store_fan_div, 7); 1157 1158 static struct attribute *w83792d_attributes_fan[4][5] = { 1159 { 1160 &sensor_dev_attr_fan4_input.dev_attr.attr, 1161 &sensor_dev_attr_fan4_min.dev_attr.attr, 1162 &sensor_dev_attr_fan4_div.dev_attr.attr, 1163 &sensor_dev_attr_fan4_alarm.dev_attr.attr, 1164 NULL 1165 }, { 1166 &sensor_dev_attr_fan5_input.dev_attr.attr, 1167 &sensor_dev_attr_fan5_min.dev_attr.attr, 1168 &sensor_dev_attr_fan5_div.dev_attr.attr, 1169 &sensor_dev_attr_fan5_alarm.dev_attr.attr, 1170 NULL 1171 }, { 1172 &sensor_dev_attr_fan6_input.dev_attr.attr, 1173 &sensor_dev_attr_fan6_min.dev_attr.attr, 1174 &sensor_dev_attr_fan6_div.dev_attr.attr, 1175 &sensor_dev_attr_fan6_alarm.dev_attr.attr, 1176 NULL 1177 }, { 1178 &sensor_dev_attr_fan7_input.dev_attr.attr, 1179 &sensor_dev_attr_fan7_min.dev_attr.attr, 1180 &sensor_dev_attr_fan7_div.dev_attr.attr, 1181 &sensor_dev_attr_fan7_alarm.dev_attr.attr, 1182 NULL 1183 } 1184 }; 1185 1186 static const struct attribute_group w83792d_group_fan[4] = { 1187 { .attrs = w83792d_attributes_fan[0] }, 1188 { .attrs = w83792d_attributes_fan[1] }, 1189 { .attrs = w83792d_attributes_fan[2] }, 1190 { .attrs = w83792d_attributes_fan[3] }, 1191 }; 1192 1193 static struct attribute *w83792d_attributes[] = { 1194 &sensor_dev_attr_in0_input.dev_attr.attr, 1195 &sensor_dev_attr_in0_max.dev_attr.attr, 1196 &sensor_dev_attr_in0_min.dev_attr.attr, 1197 &sensor_dev_attr_in1_input.dev_attr.attr, 1198 &sensor_dev_attr_in1_max.dev_attr.attr, 1199 &sensor_dev_attr_in1_min.dev_attr.attr, 1200 &sensor_dev_attr_in2_input.dev_attr.attr, 1201 &sensor_dev_attr_in2_max.dev_attr.attr, 1202 &sensor_dev_attr_in2_min.dev_attr.attr, 1203 &sensor_dev_attr_in3_input.dev_attr.attr, 1204 &sensor_dev_attr_in3_max.dev_attr.attr, 1205 &sensor_dev_attr_in3_min.dev_attr.attr, 1206 &sensor_dev_attr_in4_input.dev_attr.attr, 1207 &sensor_dev_attr_in4_max.dev_attr.attr, 1208 &sensor_dev_attr_in4_min.dev_attr.attr, 1209 &sensor_dev_attr_in5_input.dev_attr.attr, 1210 &sensor_dev_attr_in5_max.dev_attr.attr, 1211 &sensor_dev_attr_in5_min.dev_attr.attr, 1212 &sensor_dev_attr_in6_input.dev_attr.attr, 1213 &sensor_dev_attr_in6_max.dev_attr.attr, 1214 &sensor_dev_attr_in6_min.dev_attr.attr, 1215 &sensor_dev_attr_in7_input.dev_attr.attr, 1216 &sensor_dev_attr_in7_max.dev_attr.attr, 1217 &sensor_dev_attr_in7_min.dev_attr.attr, 1218 &sensor_dev_attr_in8_input.dev_attr.attr, 1219 &sensor_dev_attr_in8_max.dev_attr.attr, 1220 &sensor_dev_attr_in8_min.dev_attr.attr, 1221 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1222 &sensor_dev_attr_in1_alarm.dev_attr.attr, 1223 &sensor_dev_attr_in2_alarm.dev_attr.attr, 1224 &sensor_dev_attr_in3_alarm.dev_attr.attr, 1225 &sensor_dev_attr_in4_alarm.dev_attr.attr, 1226 &sensor_dev_attr_in5_alarm.dev_attr.attr, 1227 &sensor_dev_attr_in6_alarm.dev_attr.attr, 1228 &sensor_dev_attr_in7_alarm.dev_attr.attr, 1229 &sensor_dev_attr_in8_alarm.dev_attr.attr, 1230 &sensor_dev_attr_temp1_input.dev_attr.attr, 1231 &sensor_dev_attr_temp1_max.dev_attr.attr, 1232 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, 1233 &sensor_dev_attr_temp2_input.dev_attr.attr, 1234 &sensor_dev_attr_temp2_max.dev_attr.attr, 1235 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, 1236 &sensor_dev_attr_temp3_input.dev_attr.attr, 1237 &sensor_dev_attr_temp3_max.dev_attr.attr, 1238 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, 1239 &sensor_dev_attr_temp1_alarm.dev_attr.attr, 1240 &sensor_dev_attr_temp2_alarm.dev_attr.attr, 1241 &sensor_dev_attr_temp3_alarm.dev_attr.attr, 1242 &sensor_dev_attr_pwm1.dev_attr.attr, 1243 &sensor_dev_attr_pwm1_mode.dev_attr.attr, 1244 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1245 &sensor_dev_attr_pwm2.dev_attr.attr, 1246 &sensor_dev_attr_pwm2_mode.dev_attr.attr, 1247 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1248 &sensor_dev_attr_pwm3.dev_attr.attr, 1249 &sensor_dev_attr_pwm3_mode.dev_attr.attr, 1250 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1251 &dev_attr_alarms.attr, 1252 &dev_attr_chassis.attr, 1253 &dev_attr_chassis_clear.attr, 1254 &dev_attr_intrusion0_alarm.attr, 1255 &sensor_dev_attr_tolerance1.dev_attr.attr, 1256 &sensor_dev_attr_thermal_cruise1.dev_attr.attr, 1257 &sensor_dev_attr_tolerance2.dev_attr.attr, 1258 &sensor_dev_attr_thermal_cruise2.dev_attr.attr, 1259 &sensor_dev_attr_tolerance3.dev_attr.attr, 1260 &sensor_dev_attr_thermal_cruise3.dev_attr.attr, 1261 &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr, 1262 &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr, 1263 &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr, 1264 &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr, 1265 &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr, 1266 &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr, 1267 &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr, 1268 &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr, 1269 &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr, 1270 &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr, 1271 &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr, 1272 &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr, 1273 &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr, 1274 &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr, 1275 &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr, 1276 &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr, 1277 &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr, 1278 &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr, 1279 &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr, 1280 &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr, 1281 &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr, 1282 &sensor_dev_attr_fan1_input.dev_attr.attr, 1283 &sensor_dev_attr_fan1_min.dev_attr.attr, 1284 &sensor_dev_attr_fan1_div.dev_attr.attr, 1285 &sensor_dev_attr_fan1_alarm.dev_attr.attr, 1286 &sensor_dev_attr_fan2_input.dev_attr.attr, 1287 &sensor_dev_attr_fan2_min.dev_attr.attr, 1288 &sensor_dev_attr_fan2_div.dev_attr.attr, 1289 &sensor_dev_attr_fan2_alarm.dev_attr.attr, 1290 &sensor_dev_attr_fan3_input.dev_attr.attr, 1291 &sensor_dev_attr_fan3_min.dev_attr.attr, 1292 &sensor_dev_attr_fan3_div.dev_attr.attr, 1293 &sensor_dev_attr_fan3_alarm.dev_attr.attr, 1294 NULL 1295 }; 1296 1297 static const struct attribute_group w83792d_group = { 1298 .attrs = w83792d_attributes, 1299 }; 1300 1301 /* Return 0 if detection is successful, -ENODEV otherwise */ 1302 static int 1303 w83792d_detect(struct i2c_client *client, struct i2c_board_info *info) 1304 { 1305 struct i2c_adapter *adapter = client->adapter; 1306 int val1, val2; 1307 unsigned short address = client->addr; 1308 1309 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 1310 return -ENODEV; 1311 } 1312 1313 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) 1314 return -ENODEV; 1315 1316 val1 = w83792d_read_value(client, W83792D_REG_BANK); 1317 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1318 /* Check for Winbond ID if in bank 0 */ 1319 if (!(val1 & 0x07)) { /* is Bank0 */ 1320 if ((!(val1 & 0x80) && val2 != 0xa3) || 1321 ( (val1 & 0x80) && val2 != 0x5c)) 1322 return -ENODEV; 1323 } 1324 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR 1325 should match */ 1326 if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address) 1327 return -ENODEV; 1328 1329 /* Put it now into bank 0 and Vendor ID High Byte */ 1330 w83792d_write_value(client, 1331 W83792D_REG_BANK, 1332 (w83792d_read_value(client, 1333 W83792D_REG_BANK) & 0x78) | 0x80); 1334 1335 /* Determine the chip type. */ 1336 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); 1337 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1338 if (val1 != 0x7a || val2 != 0x5c) 1339 return -ENODEV; 1340 1341 strlcpy(info->type, "w83792d", I2C_NAME_SIZE); 1342 1343 return 0; 1344 } 1345 1346 static int 1347 w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) 1348 { 1349 struct w83792d_data *data; 1350 struct device *dev = &client->dev; 1351 int i, val1, err; 1352 1353 data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL); 1354 if (!data) { 1355 err = -ENOMEM; 1356 goto ERROR0; 1357 } 1358 1359 i2c_set_clientdata(client, data); 1360 data->valid = 0; 1361 mutex_init(&data->update_lock); 1362 1363 err = w83792d_detect_subclients(client); 1364 if (err) 1365 goto ERROR1; 1366 1367 /* Initialize the chip */ 1368 w83792d_init_client(client); 1369 1370 /* A few vars need to be filled upon startup */ 1371 for (i = 0; i < 7; i++) { 1372 data->fan_min[i] = w83792d_read_value(client, 1373 W83792D_REG_FAN_MIN[i]); 1374 } 1375 1376 /* Register sysfs hooks */ 1377 if ((err = sysfs_create_group(&dev->kobj, &w83792d_group))) 1378 goto ERROR3; 1379 1380 /* Read GPIO enable register to check if pins for fan 4,5 are used as 1381 GPIO */ 1382 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); 1383 1384 if (!(val1 & 0x40)) 1385 if ((err = sysfs_create_group(&dev->kobj, 1386 &w83792d_group_fan[0]))) 1387 goto exit_remove_files; 1388 1389 if (!(val1 & 0x20)) 1390 if ((err = sysfs_create_group(&dev->kobj, 1391 &w83792d_group_fan[1]))) 1392 goto exit_remove_files; 1393 1394 val1 = w83792d_read_value(client, W83792D_REG_PIN); 1395 if (val1 & 0x40) 1396 if ((err = sysfs_create_group(&dev->kobj, 1397 &w83792d_group_fan[2]))) 1398 goto exit_remove_files; 1399 1400 if (val1 & 0x04) 1401 if ((err = sysfs_create_group(&dev->kobj, 1402 &w83792d_group_fan[3]))) 1403 goto exit_remove_files; 1404 1405 data->hwmon_dev = hwmon_device_register(dev); 1406 if (IS_ERR(data->hwmon_dev)) { 1407 err = PTR_ERR(data->hwmon_dev); 1408 goto exit_remove_files; 1409 } 1410 1411 return 0; 1412 1413 exit_remove_files: 1414 sysfs_remove_group(&dev->kobj, &w83792d_group); 1415 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) 1416 sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]); 1417 ERROR3: 1418 if (data->lm75[0] != NULL) 1419 i2c_unregister_device(data->lm75[0]); 1420 if (data->lm75[1] != NULL) 1421 i2c_unregister_device(data->lm75[1]); 1422 ERROR1: 1423 kfree(data); 1424 ERROR0: 1425 return err; 1426 } 1427 1428 static int 1429 w83792d_remove(struct i2c_client *client) 1430 { 1431 struct w83792d_data *data = i2c_get_clientdata(client); 1432 int i; 1433 1434 hwmon_device_unregister(data->hwmon_dev); 1435 sysfs_remove_group(&client->dev.kobj, &w83792d_group); 1436 for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) 1437 sysfs_remove_group(&client->dev.kobj, 1438 &w83792d_group_fan[i]); 1439 1440 if (data->lm75[0] != NULL) 1441 i2c_unregister_device(data->lm75[0]); 1442 if (data->lm75[1] != NULL) 1443 i2c_unregister_device(data->lm75[1]); 1444 1445 kfree(data); 1446 return 0; 1447 } 1448 1449 static void 1450 w83792d_init_client(struct i2c_client *client) 1451 { 1452 u8 temp2_cfg, temp3_cfg, vid_in_b; 1453 1454 if (init) { 1455 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); 1456 } 1457 /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): 1458 W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of 1459 vin0/vin1 can be modified by user; 1460 W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of 1461 vin0/vin1 auto-updated, can NOT be modified by user. */ 1462 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); 1463 w83792d_write_value(client, W83792D_REG_VID_IN_B, 1464 vid_in_b & 0xbf); 1465 1466 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); 1467 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); 1468 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, 1469 temp2_cfg & 0xe6); 1470 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, 1471 temp3_cfg & 0xe6); 1472 1473 /* Start monitoring */ 1474 w83792d_write_value(client, W83792D_REG_CONFIG, 1475 (w83792d_read_value(client, 1476 W83792D_REG_CONFIG) & 0xf7) 1477 | 0x01); 1478 } 1479 1480 static struct w83792d_data *w83792d_update_device(struct device *dev) 1481 { 1482 struct i2c_client *client = to_i2c_client(dev); 1483 struct w83792d_data *data = i2c_get_clientdata(client); 1484 int i, j; 1485 u8 reg_array_tmp[4], reg_tmp; 1486 1487 mutex_lock(&data->update_lock); 1488 1489 if (time_after 1490 (jiffies - data->last_updated, (unsigned long) (HZ * 3)) 1491 || time_before(jiffies, data->last_updated) || !data->valid) { 1492 dev_dbg(dev, "Starting device update\n"); 1493 1494 /* Update the voltages measured value and limits */ 1495 for (i = 0; i < 9; i++) { 1496 data->in[i] = w83792d_read_value(client, 1497 W83792D_REG_IN[i]); 1498 data->in_max[i] = w83792d_read_value(client, 1499 W83792D_REG_IN_MAX[i]); 1500 data->in_min[i] = w83792d_read_value(client, 1501 W83792D_REG_IN_MIN[i]); 1502 } 1503 data->low_bits = w83792d_read_value(client, 1504 W83792D_REG_LOW_BITS1) + 1505 (w83792d_read_value(client, 1506 W83792D_REG_LOW_BITS2) << 8); 1507 for (i = 0; i < 7; i++) { 1508 /* Update the Fan measured value and limits */ 1509 data->fan[i] = w83792d_read_value(client, 1510 W83792D_REG_FAN[i]); 1511 data->fan_min[i] = w83792d_read_value(client, 1512 W83792D_REG_FAN_MIN[i]); 1513 /* Update the PWM/DC Value and PWM/DC flag */ 1514 data->pwm[i] = w83792d_read_value(client, 1515 W83792D_REG_PWM[i]); 1516 } 1517 1518 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); 1519 data->pwmenable[0] = reg_tmp & 0x03; 1520 data->pwmenable[1] = (reg_tmp>>2) & 0x03; 1521 data->pwmenable[2] = (reg_tmp>>4) & 0x03; 1522 1523 for (i = 0; i < 3; i++) { 1524 data->temp1[i] = w83792d_read_value(client, 1525 W83792D_REG_TEMP1[i]); 1526 } 1527 for (i = 0; i < 2; i++) { 1528 for (j = 0; j < 6; j++) { 1529 data->temp_add[i][j] = w83792d_read_value( 1530 client,W83792D_REG_TEMP_ADD[i][j]); 1531 } 1532 } 1533 1534 /* Update the Fan Divisor */ 1535 for (i = 0; i < 4; i++) { 1536 reg_array_tmp[i] = w83792d_read_value(client, 1537 W83792D_REG_FAN_DIV[i]); 1538 } 1539 data->fan_div[0] = reg_array_tmp[0] & 0x07; 1540 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; 1541 data->fan_div[2] = reg_array_tmp[1] & 0x07; 1542 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; 1543 data->fan_div[4] = reg_array_tmp[2] & 0x07; 1544 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; 1545 data->fan_div[6] = reg_array_tmp[3] & 0x07; 1546 1547 /* Update the realtime status */ 1548 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + 1549 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + 1550 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); 1551 1552 /* Update CaseOpen status and it's CLR_CHS. */ 1553 data->chassis = (w83792d_read_value(client, 1554 W83792D_REG_CHASSIS) >> 5) & 0x01; 1555 data->chassis_clear = (w83792d_read_value(client, 1556 W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; 1557 1558 /* Update Thermal Cruise/Smart Fan I target value */ 1559 for (i = 0; i < 3; i++) { 1560 data->thermal_cruise[i] = 1561 w83792d_read_value(client, 1562 W83792D_REG_THERMAL[i]) & 0x7f; 1563 } 1564 1565 /* Update Smart Fan I/II tolerance */ 1566 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); 1567 data->tolerance[0] = reg_tmp & 0x0f; 1568 data->tolerance[1] = (reg_tmp >> 4) & 0x0f; 1569 data->tolerance[2] = w83792d_read_value(client, 1570 W83792D_REG_TOLERANCE[2]) & 0x0f; 1571 1572 /* Update Smart Fan II temperature points */ 1573 for (i = 0; i < 3; i++) { 1574 for (j = 0; j < 4; j++) { 1575 data->sf2_points[i][j] = w83792d_read_value( 1576 client,W83792D_REG_POINTS[i][j]) & 0x7f; 1577 } 1578 } 1579 1580 /* Update Smart Fan II duty cycle levels */ 1581 for (i = 0; i < 3; i++) { 1582 reg_tmp = w83792d_read_value(client, 1583 W83792D_REG_LEVELS[i][0]); 1584 data->sf2_levels[i][0] = reg_tmp & 0x0f; 1585 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; 1586 reg_tmp = w83792d_read_value(client, 1587 W83792D_REG_LEVELS[i][2]); 1588 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; 1589 data->sf2_levels[i][3] = reg_tmp & 0x0f; 1590 } 1591 1592 data->last_updated = jiffies; 1593 data->valid = 1; 1594 } 1595 1596 mutex_unlock(&data->update_lock); 1597 1598 #ifdef DEBUG 1599 w83792d_print_debug(data, dev); 1600 #endif 1601 1602 return data; 1603 } 1604 1605 #ifdef DEBUG 1606 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) 1607 { 1608 int i=0, j=0; 1609 dev_dbg(dev, "==========The following is the debug message...========\n"); 1610 dev_dbg(dev, "9 set of Voltages: =====>\n"); 1611 for (i=0; i<9; i++) { 1612 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); 1613 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); 1614 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); 1615 } 1616 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); 1617 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); 1618 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); 1619 for (i=0; i<7; i++) { 1620 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); 1621 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); 1622 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); 1623 } 1624 dev_dbg(dev, "3 set of Temperatures: =====>\n"); 1625 for (i=0; i<3; i++) { 1626 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); 1627 } 1628 1629 for (i=0; i<2; i++) { 1630 for (j=0; j<6; j++) { 1631 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, 1632 data->temp_add[i][j]); 1633 } 1634 } 1635 1636 for (i=0; i<7; i++) { 1637 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); 1638 } 1639 dev_dbg(dev, "==========End of the debug message...==================\n"); 1640 dev_dbg(dev, "\n"); 1641 } 1642 #endif 1643 1644 static int __init 1645 sensors_w83792d_init(void) 1646 { 1647 return i2c_add_driver(&w83792d_driver); 1648 } 1649 1650 static void __exit 1651 sensors_w83792d_exit(void) 1652 { 1653 i2c_del_driver(&w83792d_driver); 1654 } 1655 1656 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); 1657 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); 1658 MODULE_LICENSE("GPL"); 1659 1660 module_init(sensors_w83792d_init); 1661 module_exit(sensors_w83792d_exit); 1662 1663