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/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 47 /* Addresses to scan */ 48 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; 49 50 /* Insmod parameters */ 51 I2C_CLIENT_INSMOD_1(w83792d); 52 I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " 53 "{bus, clientaddr, subclientaddr1, subclientaddr2}"); 54 55 static int init; 56 module_param(init, bool, 0); 57 MODULE_PARM_DESC(init, "Set to one to force chip initialization"); 58 59 /* The W83792D registers */ 60 static const u8 W83792D_REG_IN[9] = { 61 0x20, /* Vcore A in DataSheet */ 62 0x21, /* Vcore B in DataSheet */ 63 0x22, /* VIN0 in DataSheet */ 64 0x23, /* VIN1 in DataSheet */ 65 0x24, /* VIN2 in DataSheet */ 66 0x25, /* VIN3 in DataSheet */ 67 0x26, /* 5VCC in DataSheet */ 68 0xB0, /* 5VSB in DataSheet */ 69 0xB1 /* VBAT in DataSheet */ 70 }; 71 #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ 72 #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ 73 static const u8 W83792D_REG_IN_MAX[9] = { 74 0x2B, /* Vcore A High Limit in DataSheet */ 75 0x2D, /* Vcore B High Limit in DataSheet */ 76 0x2F, /* VIN0 High Limit in DataSheet */ 77 0x31, /* VIN1 High Limit in DataSheet */ 78 0x33, /* VIN2 High Limit in DataSheet */ 79 0x35, /* VIN3 High Limit in DataSheet */ 80 0x37, /* 5VCC High Limit in DataSheet */ 81 0xB4, /* 5VSB High Limit in DataSheet */ 82 0xB6 /* VBAT High Limit in DataSheet */ 83 }; 84 static const u8 W83792D_REG_IN_MIN[9] = { 85 0x2C, /* Vcore A Low Limit in DataSheet */ 86 0x2E, /* Vcore B Low Limit in DataSheet */ 87 0x30, /* VIN0 Low Limit in DataSheet */ 88 0x32, /* VIN1 Low Limit in DataSheet */ 89 0x34, /* VIN2 Low Limit in DataSheet */ 90 0x36, /* VIN3 Low Limit in DataSheet */ 91 0x38, /* 5VCC Low Limit in DataSheet */ 92 0xB5, /* 5VSB Low Limit in DataSheet */ 93 0xB7 /* VBAT Low Limit in DataSheet */ 94 }; 95 static const u8 W83792D_REG_FAN[7] = { 96 0x28, /* FAN 1 Count in DataSheet */ 97 0x29, /* FAN 2 Count in DataSheet */ 98 0x2A, /* FAN 3 Count in DataSheet */ 99 0xB8, /* FAN 4 Count in DataSheet */ 100 0xB9, /* FAN 5 Count in DataSheet */ 101 0xBA, /* FAN 6 Count in DataSheet */ 102 0xBE /* FAN 7 Count in DataSheet */ 103 }; 104 static const u8 W83792D_REG_FAN_MIN[7] = { 105 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 106 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 107 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 108 0xBB, /* FAN 4 Count Low Limit in DataSheet */ 109 0xBC, /* FAN 5 Count Low Limit in DataSheet */ 110 0xBD, /* FAN 6 Count Low Limit in DataSheet */ 111 0xBF /* FAN 7 Count Low Limit in DataSheet */ 112 }; 113 #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ 114 static const u8 W83792D_REG_FAN_DIV[4] = { 115 0x47, /* contains FAN2 and FAN1 Divisor */ 116 0x5B, /* contains FAN4 and FAN3 Divisor */ 117 0x5C, /* contains FAN6 and FAN5 Divisor */ 118 0x9E /* contains FAN7 Divisor. */ 119 }; 120 static const u8 W83792D_REG_PWM[7] = { 121 0x81, /* FAN 1 Duty Cycle, be used to control */ 122 0x83, /* FAN 2 Duty Cycle, be used to control */ 123 0x94, /* FAN 3 Duty Cycle, be used to control */ 124 0xA3, /* FAN 4 Duty Cycle, be used to control */ 125 0xA4, /* FAN 5 Duty Cycle, be used to control */ 126 0xA5, /* FAN 6 Duty Cycle, be used to control */ 127 0xA6 /* FAN 7 Duty Cycle, be used to control */ 128 }; 129 #define W83792D_REG_BANK 0x4E 130 #define W83792D_REG_TEMP2_CONFIG 0xC2 131 #define W83792D_REG_TEMP3_CONFIG 0xCA 132 133 static const u8 W83792D_REG_TEMP1[3] = { 134 0x27, /* TEMP 1 in DataSheet */ 135 0x39, /* TEMP 1 Over in DataSheet */ 136 0x3A, /* TEMP 1 Hyst in DataSheet */ 137 }; 138 139 static const u8 W83792D_REG_TEMP_ADD[2][6] = { 140 { 0xC0, /* TEMP 2 in DataSheet */ 141 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 142 0xC5, /* TEMP 2 Over High part in DataSheet */ 143 0xC6, /* TEMP 2 Over Low part in DataSheet */ 144 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 145 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ 146 { 0xC8, /* TEMP 3 in DataSheet */ 147 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 148 0xCD, /* TEMP 3 Over High part in DataSheet */ 149 0xCE, /* TEMP 3 Over Low part in DataSheet */ 150 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 151 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ 152 }; 153 154 static const u8 W83792D_REG_THERMAL[3] = { 155 0x85, /* SmartFanI: Fan1 target value */ 156 0x86, /* SmartFanI: Fan2 target value */ 157 0x96 /* SmartFanI: Fan3 target value */ 158 }; 159 160 static const u8 W83792D_REG_TOLERANCE[3] = { 161 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ 162 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ 163 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ 164 }; 165 166 static const u8 W83792D_REG_POINTS[3][4] = { 167 { 0x85, /* SmartFanII: Fan1 temp point 1 */ 168 0xE3, /* SmartFanII: Fan1 temp point 2 */ 169 0xE4, /* SmartFanII: Fan1 temp point 3 */ 170 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ 171 { 0x86, /* SmartFanII: Fan2 temp point 1 */ 172 0xE6, /* SmartFanII: Fan2 temp point 2 */ 173 0xE7, /* SmartFanII: Fan2 temp point 3 */ 174 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ 175 { 0x96, /* SmartFanII: Fan3 temp point 1 */ 176 0xE9, /* SmartFanII: Fan3 temp point 2 */ 177 0xEA, /* SmartFanII: Fan3 temp point 3 */ 178 0xEB } /* SmartFanII: Fan3 temp point 4 */ 179 }; 180 181 static const u8 W83792D_REG_LEVELS[3][4] = { 182 { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ 183 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ 184 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ 185 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ 186 { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ 187 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ 188 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ 189 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ 190 { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ 191 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ 192 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ 193 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ 194 }; 195 196 #define W83792D_REG_GPIO_EN 0x1A 197 #define W83792D_REG_CONFIG 0x40 198 #define W83792D_REG_VID_FANDIV 0x47 199 #define W83792D_REG_CHIPID 0x49 200 #define W83792D_REG_WCHIPID 0x58 201 #define W83792D_REG_CHIPMAN 0x4F 202 #define W83792D_REG_PIN 0x4B 203 #define W83792D_REG_I2C_SUBADDR 0x4A 204 205 #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ 206 #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ 207 #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ 208 #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ 209 #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ 210 211 /* control in0/in1 's limit modifiability */ 212 #define W83792D_REG_VID_IN_B 0x17 213 214 #define W83792D_REG_VBAT 0x5D 215 #define W83792D_REG_I2C_ADDR 0x48 216 217 /* Conversions. Rounding and limit checking is only done on the TO_REG 218 variants. Note that you should be a bit careful with which arguments 219 these macros are called: arguments may be evaluated more than once. 220 Fixing this is just not worth it. */ 221 #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ 222 ((((nr)==6)||((nr)==7))?(val*6):(val*4))) 223 #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ 224 ((((nr)==6)||((nr)==7))?(val/6):(val/4))) 225 226 static inline u8 227 FAN_TO_REG(long rpm, int div) 228 { 229 if (rpm == 0) 230 return 255; 231 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 232 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 233 } 234 235 #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ 236 ((val) == 255 ? 0 : \ 237 1350000 / ((val) * (div)))) 238 239 /* for temp1 */ 240 #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 241 : (val)) / 1000, 0, 0xff)) 242 #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) 243 /* for temp2 and temp3, because they need addtional resolution */ 244 #define TEMP_ADD_FROM_REG(val1, val2) \ 245 ((((val1) & 0x80 ? (val1)-0x100 \ 246 : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) 247 #define TEMP_ADD_TO_REG_HIGH(val) \ 248 (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 249 : (val)) / 1000, 0, 0xff)) 250 #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) 251 252 #define DIV_FROM_REG(val) (1 << (val)) 253 254 static inline u8 255 DIV_TO_REG(long val) 256 { 257 int i; 258 val = SENSORS_LIMIT(val, 1, 128) >> 1; 259 for (i = 0; i < 7; i++) { 260 if (val == 0) 261 break; 262 val >>= 1; 263 } 264 return ((u8) i); 265 } 266 267 struct w83792d_data { 268 struct i2c_client client; 269 struct class_device *class_dev; 270 enum chips type; 271 272 struct mutex update_lock; 273 char valid; /* !=0 if following fields are valid */ 274 unsigned long last_updated; /* In jiffies */ 275 276 /* array of 2 pointers to subclients */ 277 struct i2c_client *lm75[2]; 278 279 u8 in[9]; /* Register value */ 280 u8 in_max[9]; /* Register value */ 281 u8 in_min[9]; /* Register value */ 282 u16 low_bits; /* Additional resolution to voltage in6-0 */ 283 u8 fan[7]; /* Register value */ 284 u8 fan_min[7]; /* Register value */ 285 u8 temp1[3]; /* current, over, thyst */ 286 u8 temp_add[2][6]; /* Register value */ 287 u8 fan_div[7]; /* Register encoding, shifted right */ 288 u8 pwm[7]; /* We only consider the first 3 set of pwm, 289 although 792 chip has 7 set of pwm. */ 290 u8 pwmenable[3]; 291 u32 alarms; /* realtime status register encoding,combined */ 292 u8 chassis; /* Chassis status */ 293 u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ 294 u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ 295 u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ 296 u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ 297 u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ 298 }; 299 300 static int w83792d_attach_adapter(struct i2c_adapter *adapter); 301 static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); 302 static int w83792d_detach_client(struct i2c_client *client); 303 static struct w83792d_data *w83792d_update_device(struct device *dev); 304 305 #ifdef DEBUG 306 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); 307 #endif 308 309 static void w83792d_init_client(struct i2c_client *client); 310 311 static struct i2c_driver w83792d_driver = { 312 .driver = { 313 .name = "w83792d", 314 }, 315 .attach_adapter = w83792d_attach_adapter, 316 .detach_client = w83792d_detach_client, 317 }; 318 319 static inline long in_count_from_reg(int nr, struct w83792d_data *data) 320 { 321 /* in7 and in8 do not have low bits, but the formula still works */ 322 return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); 323 } 324 325 /* The SMBus locks itself. The Winbond W83792D chip has a bank register, 326 but the driver only accesses registers in bank 0, so we don't have 327 to switch banks and lock access between switches. */ 328 static inline int w83792d_read_value(struct i2c_client *client, u8 reg) 329 { 330 return i2c_smbus_read_byte_data(client, reg); 331 } 332 333 static inline int 334 w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) 335 { 336 return i2c_smbus_write_byte_data(client, reg, value); 337 } 338 339 /* following are the sysfs callback functions */ 340 static ssize_t show_in(struct device *dev, struct device_attribute *attr, 341 char *buf) 342 { 343 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 344 int nr = sensor_attr->index; 345 struct w83792d_data *data = w83792d_update_device(dev); 346 return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); 347 } 348 349 #define show_in_reg(reg) \ 350 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 351 char *buf) \ 352 { \ 353 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 354 int nr = sensor_attr->index; \ 355 struct w83792d_data *data = w83792d_update_device(dev); \ 356 return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ 357 } 358 359 show_in_reg(in_min); 360 show_in_reg(in_max); 361 362 #define store_in_reg(REG, reg) \ 363 static ssize_t store_in_##reg (struct device *dev, \ 364 struct device_attribute *attr, \ 365 const char *buf, size_t count) \ 366 { \ 367 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 368 int nr = sensor_attr->index; \ 369 struct i2c_client *client = to_i2c_client(dev); \ 370 struct w83792d_data *data = i2c_get_clientdata(client); \ 371 u32 val; \ 372 \ 373 val = simple_strtoul(buf, NULL, 10); \ 374 mutex_lock(&data->update_lock); \ 375 data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ 376 w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 377 mutex_unlock(&data->update_lock); \ 378 \ 379 return count; \ 380 } 381 store_in_reg(MIN, min); 382 store_in_reg(MAX, max); 383 384 static struct sensor_device_attribute sda_in_input[] = { 385 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 386 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 387 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 388 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 389 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 390 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 391 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 392 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 393 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 394 }; 395 static struct sensor_device_attribute sda_in_min[] = { 396 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 397 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 398 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 399 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 400 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 401 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 402 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 403 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 404 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 405 }; 406 static struct sensor_device_attribute sda_in_max[] = { 407 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 408 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 409 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 410 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 411 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 412 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 413 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 414 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 415 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 416 }; 417 418 419 #define show_fan_reg(reg) \ 420 static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ 421 char *buf) \ 422 { \ 423 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 424 int nr = sensor_attr->index - 1; \ 425 struct w83792d_data *data = w83792d_update_device(dev); \ 426 return sprintf(buf,"%d\n", \ 427 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 428 } 429 430 show_fan_reg(fan); 431 show_fan_reg(fan_min); 432 433 static ssize_t 434 store_fan_min(struct device *dev, struct device_attribute *attr, 435 const char *buf, size_t count) 436 { 437 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 438 int nr = sensor_attr->index - 1; 439 struct i2c_client *client = to_i2c_client(dev); 440 struct w83792d_data *data = i2c_get_clientdata(client); 441 u32 val; 442 443 val = simple_strtoul(buf, NULL, 10); 444 mutex_lock(&data->update_lock); 445 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 446 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], 447 data->fan_min[nr]); 448 mutex_unlock(&data->update_lock); 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 surprise; 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 mutex_lock(&data->update_lock); 482 min = FAN_FROM_REG(data->fan_min[nr], 483 DIV_FROM_REG(data->fan_div[nr])); 484 485 data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); 486 487 fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); 488 fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; 489 tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) 490 : ((data->fan_div[nr]) & 0x07); 491 w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], 492 fan_div_reg | tmp_fan_div); 493 494 /* Restore fan_min */ 495 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 496 w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); 497 mutex_unlock(&data->update_lock); 498 499 return count; 500 } 501 502 static struct sensor_device_attribute sda_fan_input[] = { 503 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1), 504 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2), 505 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3), 506 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4), 507 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5), 508 SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6), 509 SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7), 510 }; 511 static struct sensor_device_attribute sda_fan_min[] = { 512 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1), 513 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2), 514 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3), 515 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4), 516 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5), 517 SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6), 518 SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7), 519 }; 520 static struct sensor_device_attribute sda_fan_div[] = { 521 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1), 522 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2), 523 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3), 524 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4), 525 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5), 526 SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6), 527 SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7), 528 }; 529 530 531 /* read/write the temperature1, includes measured value and limits */ 532 533 static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, 534 char *buf) 535 { 536 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 537 int nr = sensor_attr->index; 538 struct w83792d_data *data = w83792d_update_device(dev); 539 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); 540 } 541 542 static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, 543 const char *buf, size_t count) 544 { 545 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 546 int nr = sensor_attr->index; 547 struct i2c_client *client = to_i2c_client(dev); 548 struct w83792d_data *data = i2c_get_clientdata(client); 549 s32 val; 550 551 val = simple_strtol(buf, NULL, 10); 552 mutex_lock(&data->update_lock); 553 data->temp1[nr] = TEMP1_TO_REG(val); 554 w83792d_write_value(client, W83792D_REG_TEMP1[nr], 555 data->temp1[nr]); 556 mutex_unlock(&data->update_lock); 557 558 return count; 559 } 560 561 /* read/write the temperature2-3, includes measured value and limits */ 562 563 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, 564 char *buf) 565 { 566 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 567 int nr = sensor_attr->nr; 568 int index = sensor_attr->index; 569 struct w83792d_data *data = w83792d_update_device(dev); 570 return sprintf(buf,"%ld\n", 571 (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], 572 data->temp_add[nr][index+1])); 573 } 574 575 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 576 const char *buf, size_t count) 577 { 578 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 579 int nr = sensor_attr->nr; 580 int index = sensor_attr->index; 581 struct i2c_client *client = to_i2c_client(dev); 582 struct w83792d_data *data = i2c_get_clientdata(client); 583 s32 val; 584 585 val = simple_strtol(buf, NULL, 10); 586 mutex_lock(&data->update_lock); 587 data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); 588 data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); 589 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], 590 data->temp_add[nr][index]); 591 w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], 592 data->temp_add[nr][index+1]); 593 mutex_unlock(&data->update_lock); 594 595 return count; 596 } 597 598 static struct sensor_device_attribute_2 sda_temp_input[] = { 599 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 600 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 601 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 602 }; 603 604 static struct sensor_device_attribute_2 sda_temp_max[] = { 605 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1), 606 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2), 607 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2), 608 }; 609 610 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 611 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2), 612 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4), 613 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4), 614 }; 615 616 /* get reatime status of all sensors items: voltage, temp, fan */ 617 static ssize_t 618 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 619 { 620 struct w83792d_data *data = w83792d_update_device(dev); 621 return sprintf(buf, "%d\n", data->alarms); 622 } 623 624 static 625 DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 626 627 static ssize_t 628 show_pwm(struct device *dev, struct device_attribute *attr, 629 char *buf) 630 { 631 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 632 int nr = sensor_attr->index; 633 struct w83792d_data *data = w83792d_update_device(dev); 634 return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); 635 } 636 637 static ssize_t 638 show_pwmenable(struct device *dev, struct device_attribute *attr, 639 char *buf) 640 { 641 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 642 int nr = sensor_attr->index - 1; 643 struct w83792d_data *data = w83792d_update_device(dev); 644 long pwm_enable_tmp = 1; 645 646 switch (data->pwmenable[nr]) { 647 case 0: 648 pwm_enable_tmp = 1; /* manual mode */ 649 break; 650 case 1: 651 pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ 652 break; 653 case 2: 654 pwm_enable_tmp = 2; /* Smart Fan II */ 655 break; 656 } 657 658 return sprintf(buf, "%ld\n", pwm_enable_tmp); 659 } 660 661 static ssize_t 662 store_pwm(struct device *dev, struct device_attribute *attr, 663 const char *buf, size_t count) 664 { 665 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 666 int nr = sensor_attr->index; 667 struct i2c_client *client = to_i2c_client(dev); 668 struct w83792d_data *data = i2c_get_clientdata(client); 669 u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; 670 671 mutex_lock(&data->update_lock); 672 val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; 673 data->pwm[nr] = val; 674 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 675 mutex_unlock(&data->update_lock); 676 677 return count; 678 } 679 680 static ssize_t 681 store_pwmenable(struct device *dev, struct device_attribute *attr, 682 const char *buf, size_t count) 683 { 684 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 685 int nr = sensor_attr->index - 1; 686 struct i2c_client *client = to_i2c_client(dev); 687 struct w83792d_data *data = i2c_get_clientdata(client); 688 u32 val; 689 u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; 690 691 val = simple_strtoul(buf, NULL, 10); 692 if (val < 1 || val > 3) 693 return -EINVAL; 694 695 mutex_lock(&data->update_lock); 696 switch (val) { 697 case 1: 698 data->pwmenable[nr] = 0; /* manual mode */ 699 break; 700 case 2: 701 data->pwmenable[nr] = 2; /* Smart Fan II */ 702 break; 703 case 3: 704 data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ 705 break; 706 } 707 cfg1_tmp = data->pwmenable[0]; 708 cfg2_tmp = (data->pwmenable[1]) << 2; 709 cfg3_tmp = (data->pwmenable[2]) << 4; 710 cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; 711 fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; 712 w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); 713 mutex_unlock(&data->update_lock); 714 715 return count; 716 } 717 718 static struct sensor_device_attribute sda_pwm[] = { 719 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), 720 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), 721 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), 722 }; 723 static struct sensor_device_attribute sda_pwm_enable[] = { 724 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 725 show_pwmenable, store_pwmenable, 1), 726 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 727 show_pwmenable, store_pwmenable, 2), 728 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 729 show_pwmenable, store_pwmenable, 3), 730 }; 731 732 733 static ssize_t 734 show_pwm_mode(struct device *dev, struct device_attribute *attr, 735 char *buf) 736 { 737 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 738 int nr = sensor_attr->index; 739 struct w83792d_data *data = w83792d_update_device(dev); 740 return sprintf(buf, "%d\n", data->pwm[nr] >> 7); 741 } 742 743 static ssize_t 744 store_pwm_mode(struct device *dev, struct device_attribute *attr, 745 const char *buf, size_t count) 746 { 747 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 748 int nr = sensor_attr->index; 749 struct i2c_client *client = to_i2c_client(dev); 750 struct w83792d_data *data = i2c_get_clientdata(client); 751 u32 val; 752 753 val = simple_strtoul(buf, NULL, 10); 754 if (val != 0 && val != 1) 755 return -EINVAL; 756 757 mutex_lock(&data->update_lock); 758 data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); 759 if (val) { /* PWM mode */ 760 data->pwm[nr] |= 0x80; 761 } else { /* DC mode */ 762 data->pwm[nr] &= 0x7f; 763 } 764 w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 765 mutex_unlock(&data->update_lock); 766 767 return count; 768 } 769 770 static struct sensor_device_attribute sda_pwm_mode[] = { 771 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, 772 show_pwm_mode, store_pwm_mode, 0), 773 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, 774 show_pwm_mode, store_pwm_mode, 1), 775 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, 776 show_pwm_mode, store_pwm_mode, 2), 777 }; 778 779 780 static ssize_t 781 show_regs_chassis(struct device *dev, struct device_attribute *attr, 782 char *buf) 783 { 784 struct w83792d_data *data = w83792d_update_device(dev); 785 return sprintf(buf, "%d\n", data->chassis); 786 } 787 788 static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); 789 790 static ssize_t 791 show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) 792 { 793 struct w83792d_data *data = w83792d_update_device(dev); 794 return sprintf(buf, "%d\n", data->chassis_clear); 795 } 796 797 static ssize_t 798 store_chassis_clear(struct device *dev, struct device_attribute *attr, 799 const char *buf, size_t count) 800 { 801 struct i2c_client *client = to_i2c_client(dev); 802 struct w83792d_data *data = i2c_get_clientdata(client); 803 u32 val; 804 u8 temp1 = 0, temp2 = 0; 805 806 val = simple_strtoul(buf, NULL, 10); 807 mutex_lock(&data->update_lock); 808 data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); 809 temp1 = ((data->chassis_clear) << 7) & 0x80; 810 temp2 = w83792d_read_value(client, 811 W83792D_REG_CHASSIS_CLR) & 0x7f; 812 w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); 813 mutex_unlock(&data->update_lock); 814 815 return count; 816 } 817 818 static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, 819 show_chassis_clear, store_chassis_clear); 820 821 /* For Smart Fan I / Thermal Cruise */ 822 static ssize_t 823 show_thermal_cruise(struct device *dev, struct device_attribute *attr, 824 char *buf) 825 { 826 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 827 int nr = sensor_attr->index; 828 struct w83792d_data *data = w83792d_update_device(dev); 829 return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); 830 } 831 832 static ssize_t 833 store_thermal_cruise(struct device *dev, struct device_attribute *attr, 834 const char *buf, size_t count) 835 { 836 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 837 int nr = sensor_attr->index - 1; 838 struct i2c_client *client = to_i2c_client(dev); 839 struct w83792d_data *data = i2c_get_clientdata(client); 840 u32 val; 841 u8 target_tmp=0, target_mask=0; 842 843 val = simple_strtoul(buf, NULL, 10); 844 target_tmp = val; 845 target_tmp = target_tmp & 0x7f; 846 mutex_lock(&data->update_lock); 847 target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; 848 data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); 849 w83792d_write_value(client, W83792D_REG_THERMAL[nr], 850 (data->thermal_cruise[nr]) | target_mask); 851 mutex_unlock(&data->update_lock); 852 853 return count; 854 } 855 856 static struct sensor_device_attribute sda_thermal_cruise[] = { 857 SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, 858 show_thermal_cruise, store_thermal_cruise, 1), 859 SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, 860 show_thermal_cruise, store_thermal_cruise, 2), 861 SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, 862 show_thermal_cruise, store_thermal_cruise, 3), 863 }; 864 865 /* For Smart Fan I/Thermal Cruise and Smart Fan II */ 866 static ssize_t 867 show_tolerance(struct device *dev, struct device_attribute *attr, 868 char *buf) 869 { 870 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 871 int nr = sensor_attr->index; 872 struct w83792d_data *data = w83792d_update_device(dev); 873 return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); 874 } 875 876 static ssize_t 877 store_tolerance(struct device *dev, struct device_attribute *attr, 878 const char *buf, size_t count) 879 { 880 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 881 int nr = sensor_attr->index - 1; 882 struct i2c_client *client = to_i2c_client(dev); 883 struct w83792d_data *data = i2c_get_clientdata(client); 884 u32 val; 885 u8 tol_tmp, tol_mask; 886 887 val = simple_strtoul(buf, NULL, 10); 888 mutex_lock(&data->update_lock); 889 tol_mask = w83792d_read_value(client, 890 W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); 891 tol_tmp = SENSORS_LIMIT(val, 0, 15); 892 tol_tmp &= 0x0f; 893 data->tolerance[nr] = tol_tmp; 894 if (nr == 1) { 895 tol_tmp <<= 4; 896 } 897 w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], 898 tol_mask | tol_tmp); 899 mutex_unlock(&data->update_lock); 900 901 return count; 902 } 903 904 static struct sensor_device_attribute sda_tolerance[] = { 905 SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO, 906 show_tolerance, store_tolerance, 1), 907 SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO, 908 show_tolerance, store_tolerance, 2), 909 SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO, 910 show_tolerance, store_tolerance, 3), 911 }; 912 913 /* For Smart Fan II */ 914 static ssize_t 915 show_sf2_point(struct device *dev, struct device_attribute *attr, 916 char *buf) 917 { 918 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 919 int nr = sensor_attr->nr; 920 int index = sensor_attr->index; 921 struct w83792d_data *data = w83792d_update_device(dev); 922 return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); 923 } 924 925 static ssize_t 926 store_sf2_point(struct device *dev, struct device_attribute *attr, 927 const char *buf, size_t count) 928 { 929 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 930 int nr = sensor_attr->nr - 1; 931 int index = sensor_attr->index - 1; 932 struct i2c_client *client = to_i2c_client(dev); 933 struct w83792d_data *data = i2c_get_clientdata(client); 934 u32 val; 935 u8 mask_tmp = 0; 936 937 val = simple_strtoul(buf, NULL, 10); 938 mutex_lock(&data->update_lock); 939 data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); 940 mask_tmp = w83792d_read_value(client, 941 W83792D_REG_POINTS[index][nr]) & 0x80; 942 w83792d_write_value(client, W83792D_REG_POINTS[index][nr], 943 mask_tmp|data->sf2_points[index][nr]); 944 mutex_unlock(&data->update_lock); 945 946 return count; 947 } 948 949 static struct sensor_device_attribute_2 sda_sf2_point[] = { 950 SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, 951 show_sf2_point, store_sf2_point, 1, 1), 952 SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, 953 show_sf2_point, store_sf2_point, 2, 1), 954 SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, 955 show_sf2_point, store_sf2_point, 3, 1), 956 SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, 957 show_sf2_point, store_sf2_point, 4, 1), 958 959 SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, 960 show_sf2_point, store_sf2_point, 1, 2), 961 SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, 962 show_sf2_point, store_sf2_point, 2, 2), 963 SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, 964 show_sf2_point, store_sf2_point, 3, 2), 965 SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, 966 show_sf2_point, store_sf2_point, 4, 2), 967 968 SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, 969 show_sf2_point, store_sf2_point, 1, 3), 970 SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, 971 show_sf2_point, store_sf2_point, 2, 3), 972 SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, 973 show_sf2_point, store_sf2_point, 3, 3), 974 SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, 975 show_sf2_point, store_sf2_point, 4, 3), 976 }; 977 978 979 static ssize_t 980 show_sf2_level(struct device *dev, struct device_attribute *attr, 981 char *buf) 982 { 983 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 984 int nr = sensor_attr->nr; 985 int index = sensor_attr->index; 986 struct w83792d_data *data = w83792d_update_device(dev); 987 return sprintf(buf, "%d\n", 988 (((data->sf2_levels[index-1][nr]) * 100) / 15)); 989 } 990 991 static ssize_t 992 store_sf2_level(struct device *dev, struct device_attribute *attr, 993 const char *buf, size_t count) 994 { 995 struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 996 int nr = sensor_attr->nr; 997 int index = sensor_attr->index - 1; 998 struct i2c_client *client = to_i2c_client(dev); 999 struct w83792d_data *data = i2c_get_clientdata(client); 1000 u32 val; 1001 u8 mask_tmp=0, level_tmp=0; 1002 1003 val = simple_strtoul(buf, NULL, 10); 1004 mutex_lock(&data->update_lock); 1005 data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); 1006 mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) 1007 & ((nr==3) ? 0xf0 : 0x0f); 1008 if (nr==3) { 1009 level_tmp = data->sf2_levels[index][nr]; 1010 } else { 1011 level_tmp = data->sf2_levels[index][nr] << 4; 1012 } 1013 w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); 1014 mutex_unlock(&data->update_lock); 1015 1016 return count; 1017 } 1018 1019 static struct sensor_device_attribute_2 sda_sf2_level[] = { 1020 SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, 1021 show_sf2_level, store_sf2_level, 1, 1), 1022 SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, 1023 show_sf2_level, store_sf2_level, 2, 1), 1024 SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, 1025 show_sf2_level, store_sf2_level, 3, 1), 1026 1027 SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, 1028 show_sf2_level, store_sf2_level, 1, 2), 1029 SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, 1030 show_sf2_level, store_sf2_level, 2, 2), 1031 SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, 1032 show_sf2_level, store_sf2_level, 3, 2), 1033 1034 SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, 1035 show_sf2_level, store_sf2_level, 1, 3), 1036 SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, 1037 show_sf2_level, store_sf2_level, 2, 3), 1038 SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, 1039 show_sf2_level, store_sf2_level, 3, 3), 1040 }; 1041 1042 /* This function is called when: 1043 * w83792d_driver is inserted (when this module is loaded), for each 1044 available adapter 1045 * when a new adapter is inserted (and w83792d_driver is still present) */ 1046 static int 1047 w83792d_attach_adapter(struct i2c_adapter *adapter) 1048 { 1049 if (!(adapter->class & I2C_CLASS_HWMON)) 1050 return 0; 1051 return i2c_probe(adapter, &addr_data, w83792d_detect); 1052 } 1053 1054 1055 static int 1056 w83792d_create_subclient(struct i2c_adapter *adapter, 1057 struct i2c_client *new_client, int addr, 1058 struct i2c_client **sub_cli) 1059 { 1060 int err; 1061 struct i2c_client *sub_client; 1062 1063 (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); 1064 if (!(sub_client)) { 1065 return -ENOMEM; 1066 } 1067 sub_client->addr = 0x48 + addr; 1068 i2c_set_clientdata(sub_client, NULL); 1069 sub_client->adapter = adapter; 1070 sub_client->driver = &w83792d_driver; 1071 sub_client->flags = 0; 1072 strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); 1073 if ((err = i2c_attach_client(sub_client))) { 1074 dev_err(&new_client->dev, "subclient registration " 1075 "at address 0x%x failed\n", sub_client->addr); 1076 kfree(sub_client); 1077 return err; 1078 } 1079 return 0; 1080 } 1081 1082 1083 static int 1084 w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, 1085 struct i2c_client *new_client) 1086 { 1087 int i, id, err; 1088 u8 val; 1089 struct w83792d_data *data = i2c_get_clientdata(new_client); 1090 1091 id = i2c_adapter_id(adapter); 1092 if (force_subclients[0] == id && force_subclients[1] == address) { 1093 for (i = 2; i <= 3; i++) { 1094 if (force_subclients[i] < 0x48 || 1095 force_subclients[i] > 0x4f) { 1096 dev_err(&new_client->dev, "invalid subclient " 1097 "address %d; must be 0x48-0x4f\n", 1098 force_subclients[i]); 1099 err = -ENODEV; 1100 goto ERROR_SC_0; 1101 } 1102 } 1103 w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, 1104 (force_subclients[2] & 0x07) | 1105 ((force_subclients[3] & 0x07) << 4)); 1106 } 1107 1108 val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); 1109 if (!(val & 0x08)) { 1110 err = w83792d_create_subclient(adapter, new_client, val & 0x7, 1111 &data->lm75[0]); 1112 if (err < 0) 1113 goto ERROR_SC_0; 1114 } 1115 if (!(val & 0x80)) { 1116 if ((data->lm75[0] != NULL) && 1117 ((val & 0x7) == ((val >> 4) & 0x7))) { 1118 dev_err(&new_client->dev, "duplicate addresses 0x%x, " 1119 "use force_subclient\n", data->lm75[0]->addr); 1120 err = -ENODEV; 1121 goto ERROR_SC_1; 1122 } 1123 err = w83792d_create_subclient(adapter, new_client, 1124 (val >> 4) & 0x7, &data->lm75[1]); 1125 if (err < 0) 1126 goto ERROR_SC_1; 1127 } 1128 1129 return 0; 1130 1131 /* Undo inits in case of errors */ 1132 1133 ERROR_SC_1: 1134 if (data->lm75[0] != NULL) { 1135 i2c_detach_client(data->lm75[0]); 1136 kfree(data->lm75[0]); 1137 } 1138 ERROR_SC_0: 1139 return err; 1140 } 1141 1142 static void device_create_file_fan(struct device *dev, int i) 1143 { 1144 device_create_file(dev, &sda_fan_input[i].dev_attr); 1145 device_create_file(dev, &sda_fan_div[i].dev_attr); 1146 device_create_file(dev, &sda_fan_min[i].dev_attr); 1147 } 1148 1149 static int 1150 w83792d_detect(struct i2c_adapter *adapter, int address, int kind) 1151 { 1152 int i = 0, val1 = 0, val2; 1153 struct i2c_client *client; 1154 struct device *dev; 1155 struct w83792d_data *data; 1156 int err = 0; 1157 const char *client_name = ""; 1158 1159 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 1160 goto ERROR0; 1161 } 1162 1163 /* OK. For now, we presume we have a valid client. We now create the 1164 client structure, even though we cannot fill it completely yet. 1165 But it allows us to access w83792d_{read,write}_value. */ 1166 1167 if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { 1168 err = -ENOMEM; 1169 goto ERROR0; 1170 } 1171 1172 client = &data->client; 1173 dev = &client->dev; 1174 i2c_set_clientdata(client, data); 1175 client->addr = address; 1176 client->adapter = adapter; 1177 client->driver = &w83792d_driver; 1178 client->flags = 0; 1179 1180 /* Now, we do the remaining detection. */ 1181 1182 /* The w83792d may be stuck in some other bank than bank 0. This may 1183 make reading other information impossible. Specify a force=... or 1184 force_*=... parameter, and the Winbond will be reset to the right 1185 bank. */ 1186 if (kind < 0) { 1187 if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { 1188 dev_dbg(dev, "Detection failed at step 1\n"); 1189 goto ERROR1; 1190 } 1191 val1 = w83792d_read_value(client, W83792D_REG_BANK); 1192 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1193 /* Check for Winbond ID if in bank 0 */ 1194 if (!(val1 & 0x07)) { /* is Bank0 */ 1195 if (((!(val1 & 0x80)) && (val2 != 0xa3)) || 1196 ((val1 & 0x80) && (val2 != 0x5c))) { 1197 dev_dbg(dev, "Detection failed at step 2\n"); 1198 goto ERROR1; 1199 } 1200 } 1201 /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR 1202 should match */ 1203 if (w83792d_read_value(client, 1204 W83792D_REG_I2C_ADDR) != address) { 1205 dev_dbg(dev, "Detection failed at step 3\n"); 1206 goto ERROR1; 1207 } 1208 } 1209 1210 /* We have either had a force parameter, or we have already detected the 1211 Winbond. Put it now into bank 0 and Vendor ID High Byte */ 1212 w83792d_write_value(client, 1213 W83792D_REG_BANK, 1214 (w83792d_read_value(client, 1215 W83792D_REG_BANK) & 0x78) | 0x80); 1216 1217 /* Determine the chip type. */ 1218 if (kind <= 0) { 1219 /* get vendor ID */ 1220 val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 1221 if (val2 != 0x5c) { /* the vendor is NOT Winbond */ 1222 goto ERROR1; 1223 } 1224 val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); 1225 if (val1 == 0x7a) { 1226 kind = w83792d; 1227 } else { 1228 if (kind == 0) 1229 dev_warn(dev, 1230 "w83792d: Ignoring 'force' parameter for" 1231 " unknown chip at adapter %d, address" 1232 " 0x%02x\n", i2c_adapter_id(adapter), 1233 address); 1234 goto ERROR1; 1235 } 1236 } 1237 1238 if (kind == w83792d) { 1239 client_name = "w83792d"; 1240 } else { 1241 dev_err(dev, "w83792d: Internal error: unknown" 1242 " kind (%d)?!?", kind); 1243 goto ERROR1; 1244 } 1245 1246 /* Fill in the remaining client fields and put into the global list */ 1247 strlcpy(client->name, client_name, I2C_NAME_SIZE); 1248 data->type = kind; 1249 1250 data->valid = 0; 1251 mutex_init(&data->update_lock); 1252 1253 /* Tell the I2C layer a new client has arrived */ 1254 if ((err = i2c_attach_client(client))) 1255 goto ERROR1; 1256 1257 if ((err = w83792d_detect_subclients(adapter, address, 1258 kind, client))) 1259 goto ERROR2; 1260 1261 /* Initialize the chip */ 1262 w83792d_init_client(client); 1263 1264 /* A few vars need to be filled upon startup */ 1265 for (i = 0; i < 7; i++) { 1266 data->fan_min[i] = w83792d_read_value(client, 1267 W83792D_REG_FAN_MIN[i]); 1268 } 1269 1270 /* Register sysfs hooks */ 1271 data->class_dev = hwmon_device_register(dev); 1272 if (IS_ERR(data->class_dev)) { 1273 err = PTR_ERR(data->class_dev); 1274 goto ERROR3; 1275 } 1276 for (i = 0; i < 9; i++) { 1277 device_create_file(dev, &sda_in_input[i].dev_attr); 1278 device_create_file(dev, &sda_in_max[i].dev_attr); 1279 device_create_file(dev, &sda_in_min[i].dev_attr); 1280 } 1281 for (i = 0; i < 3; i++) 1282 device_create_file_fan(dev, i); 1283 1284 /* Read GPIO enable register to check if pins for fan 4,5 are used as 1285 GPIO */ 1286 val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); 1287 if (!(val1 & 0x40)) 1288 device_create_file_fan(dev, 3); 1289 if (!(val1 & 0x20)) 1290 device_create_file_fan(dev, 4); 1291 1292 val1 = w83792d_read_value(client, W83792D_REG_PIN); 1293 if (val1 & 0x40) 1294 device_create_file_fan(dev, 5); 1295 if (val1 & 0x04) 1296 device_create_file_fan(dev, 6); 1297 1298 for (i = 0; i < 3; i++) { 1299 device_create_file(dev, &sda_temp_input[i].dev_attr); 1300 device_create_file(dev, &sda_temp_max[i].dev_attr); 1301 device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); 1302 device_create_file(dev, &sda_thermal_cruise[i].dev_attr); 1303 device_create_file(dev, &sda_tolerance[i].dev_attr); 1304 } 1305 1306 for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) { 1307 device_create_file(dev, &sda_pwm[i].dev_attr); 1308 device_create_file(dev, &sda_pwm_enable[i].dev_attr); 1309 device_create_file(dev, &sda_pwm_mode[i].dev_attr); 1310 } 1311 1312 device_create_file(dev, &dev_attr_alarms); 1313 device_create_file(dev, &dev_attr_chassis); 1314 device_create_file(dev, &dev_attr_chassis_clear); 1315 1316 for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++) 1317 device_create_file(dev, &sda_sf2_point[i].dev_attr); 1318 1319 for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++) 1320 device_create_file(dev, &sda_sf2_level[i].dev_attr); 1321 1322 return 0; 1323 1324 ERROR3: 1325 if (data->lm75[0] != NULL) { 1326 i2c_detach_client(data->lm75[0]); 1327 kfree(data->lm75[0]); 1328 } 1329 if (data->lm75[1] != NULL) { 1330 i2c_detach_client(data->lm75[1]); 1331 kfree(data->lm75[1]); 1332 } 1333 ERROR2: 1334 i2c_detach_client(client); 1335 ERROR1: 1336 kfree(data); 1337 ERROR0: 1338 return err; 1339 } 1340 1341 static int 1342 w83792d_detach_client(struct i2c_client *client) 1343 { 1344 struct w83792d_data *data = i2c_get_clientdata(client); 1345 int err; 1346 1347 /* main client */ 1348 if (data) 1349 hwmon_device_unregister(data->class_dev); 1350 1351 if ((err = i2c_detach_client(client))) 1352 return err; 1353 1354 /* main client */ 1355 if (data) 1356 kfree(data); 1357 /* subclient */ 1358 else 1359 kfree(client); 1360 1361 return 0; 1362 } 1363 1364 static void 1365 w83792d_init_client(struct i2c_client *client) 1366 { 1367 u8 temp2_cfg, temp3_cfg, vid_in_b; 1368 1369 if (init) { 1370 w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); 1371 } 1372 /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): 1373 W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of 1374 vin0/vin1 can be modified by user; 1375 W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of 1376 vin0/vin1 auto-updated, can NOT be modified by user. */ 1377 vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); 1378 w83792d_write_value(client, W83792D_REG_VID_IN_B, 1379 vid_in_b & 0xbf); 1380 1381 temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); 1382 temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); 1383 w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, 1384 temp2_cfg & 0xe6); 1385 w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, 1386 temp3_cfg & 0xe6); 1387 1388 /* Start monitoring */ 1389 w83792d_write_value(client, W83792D_REG_CONFIG, 1390 (w83792d_read_value(client, 1391 W83792D_REG_CONFIG) & 0xf7) 1392 | 0x01); 1393 } 1394 1395 static struct w83792d_data *w83792d_update_device(struct device *dev) 1396 { 1397 struct i2c_client *client = to_i2c_client(dev); 1398 struct w83792d_data *data = i2c_get_clientdata(client); 1399 int i, j; 1400 u8 reg_array_tmp[4], reg_tmp; 1401 1402 mutex_lock(&data->update_lock); 1403 1404 if (time_after 1405 (jiffies - data->last_updated, (unsigned long) (HZ * 3)) 1406 || time_before(jiffies, data->last_updated) || !data->valid) { 1407 dev_dbg(dev, "Starting device update\n"); 1408 1409 /* Update the voltages measured value and limits */ 1410 for (i = 0; i < 9; i++) { 1411 data->in[i] = w83792d_read_value(client, 1412 W83792D_REG_IN[i]); 1413 data->in_max[i] = w83792d_read_value(client, 1414 W83792D_REG_IN_MAX[i]); 1415 data->in_min[i] = w83792d_read_value(client, 1416 W83792D_REG_IN_MIN[i]); 1417 } 1418 data->low_bits = w83792d_read_value(client, 1419 W83792D_REG_LOW_BITS1) + 1420 (w83792d_read_value(client, 1421 W83792D_REG_LOW_BITS2) << 8); 1422 for (i = 0; i < 7; i++) { 1423 /* Update the Fan measured value and limits */ 1424 data->fan[i] = w83792d_read_value(client, 1425 W83792D_REG_FAN[i]); 1426 data->fan_min[i] = w83792d_read_value(client, 1427 W83792D_REG_FAN_MIN[i]); 1428 /* Update the PWM/DC Value and PWM/DC flag */ 1429 data->pwm[i] = w83792d_read_value(client, 1430 W83792D_REG_PWM[i]); 1431 } 1432 1433 reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); 1434 data->pwmenable[0] = reg_tmp & 0x03; 1435 data->pwmenable[1] = (reg_tmp>>2) & 0x03; 1436 data->pwmenable[2] = (reg_tmp>>4) & 0x03; 1437 1438 for (i = 0; i < 3; i++) { 1439 data->temp1[i] = w83792d_read_value(client, 1440 W83792D_REG_TEMP1[i]); 1441 } 1442 for (i = 0; i < 2; i++) { 1443 for (j = 0; j < 6; j++) { 1444 data->temp_add[i][j] = w83792d_read_value( 1445 client,W83792D_REG_TEMP_ADD[i][j]); 1446 } 1447 } 1448 1449 /* Update the Fan Divisor */ 1450 for (i = 0; i < 4; i++) { 1451 reg_array_tmp[i] = w83792d_read_value(client, 1452 W83792D_REG_FAN_DIV[i]); 1453 } 1454 data->fan_div[0] = reg_array_tmp[0] & 0x07; 1455 data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; 1456 data->fan_div[2] = reg_array_tmp[1] & 0x07; 1457 data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; 1458 data->fan_div[4] = reg_array_tmp[2] & 0x07; 1459 data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; 1460 data->fan_div[6] = reg_array_tmp[3] & 0x07; 1461 1462 /* Update the realtime status */ 1463 data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + 1464 (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + 1465 (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); 1466 1467 /* Update CaseOpen status and it's CLR_CHS. */ 1468 data->chassis = (w83792d_read_value(client, 1469 W83792D_REG_CHASSIS) >> 5) & 0x01; 1470 data->chassis_clear = (w83792d_read_value(client, 1471 W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; 1472 1473 /* Update Thermal Cruise/Smart Fan I target value */ 1474 for (i = 0; i < 3; i++) { 1475 data->thermal_cruise[i] = 1476 w83792d_read_value(client, 1477 W83792D_REG_THERMAL[i]) & 0x7f; 1478 } 1479 1480 /* Update Smart Fan I/II tolerance */ 1481 reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); 1482 data->tolerance[0] = reg_tmp & 0x0f; 1483 data->tolerance[1] = (reg_tmp >> 4) & 0x0f; 1484 data->tolerance[2] = w83792d_read_value(client, 1485 W83792D_REG_TOLERANCE[2]) & 0x0f; 1486 1487 /* Update Smart Fan II temperature points */ 1488 for (i = 0; i < 3; i++) { 1489 for (j = 0; j < 4; j++) { 1490 data->sf2_points[i][j] = w83792d_read_value( 1491 client,W83792D_REG_POINTS[i][j]) & 0x7f; 1492 } 1493 } 1494 1495 /* Update Smart Fan II duty cycle levels */ 1496 for (i = 0; i < 3; i++) { 1497 reg_tmp = w83792d_read_value(client, 1498 W83792D_REG_LEVELS[i][0]); 1499 data->sf2_levels[i][0] = reg_tmp & 0x0f; 1500 data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; 1501 reg_tmp = w83792d_read_value(client, 1502 W83792D_REG_LEVELS[i][2]); 1503 data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; 1504 data->sf2_levels[i][3] = reg_tmp & 0x0f; 1505 } 1506 1507 data->last_updated = jiffies; 1508 data->valid = 1; 1509 } 1510 1511 mutex_unlock(&data->update_lock); 1512 1513 #ifdef DEBUG 1514 w83792d_print_debug(data, dev); 1515 #endif 1516 1517 return data; 1518 } 1519 1520 #ifdef DEBUG 1521 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) 1522 { 1523 int i=0, j=0; 1524 dev_dbg(dev, "==========The following is the debug message...========\n"); 1525 dev_dbg(dev, "9 set of Voltages: =====>\n"); 1526 for (i=0; i<9; i++) { 1527 dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); 1528 dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); 1529 dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); 1530 } 1531 dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); 1532 dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); 1533 dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); 1534 for (i=0; i<7; i++) { 1535 dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); 1536 dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); 1537 dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); 1538 } 1539 dev_dbg(dev, "3 set of Temperatures: =====>\n"); 1540 for (i=0; i<3; i++) { 1541 dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); 1542 } 1543 1544 for (i=0; i<2; i++) { 1545 for (j=0; j<6; j++) { 1546 dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, 1547 data->temp_add[i][j]); 1548 } 1549 } 1550 1551 for (i=0; i<7; i++) { 1552 dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); 1553 } 1554 dev_dbg(dev, "==========End of the debug message...==================\n"); 1555 dev_dbg(dev, "\n"); 1556 } 1557 #endif 1558 1559 static int __init 1560 sensors_w83792d_init(void) 1561 { 1562 return i2c_add_driver(&w83792d_driver); 1563 } 1564 1565 static void __exit 1566 sensors_w83792d_exit(void) 1567 { 1568 i2c_del_driver(&w83792d_driver); 1569 } 1570 1571 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); 1572 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); 1573 MODULE_LICENSE("GPL"); 1574 1575 module_init(sensors_w83792d_init); 1576 module_exit(sensors_w83792d_exit); 1577 1578