1 /* 2 * w83791d.c - Part of lm_sensors, Linux kernel modules for hardware 3 * monitoring 4 * 5 * Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 /* 23 * Supports following chips: 24 * 25 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 26 * w83791d 10 5 5 3 0x71 0x5ca3 yes no 27 * 28 * The w83791d chip appears to be part way between the 83781d and the 29 * 83792d. Thus, this file is derived from both the w83792d.c and 30 * w83781d.c files. 31 * 32 * The w83791g chip is the same as the w83791d but lead-free. 33 */ 34 35 #include <linux/module.h> 36 #include <linux/init.h> 37 #include <linux/slab.h> 38 #include <linux/i2c.h> 39 #include <linux/hwmon.h> 40 #include <linux/hwmon-vid.h> 41 #include <linux/hwmon-sysfs.h> 42 #include <linux/err.h> 43 #include <linux/mutex.h> 44 45 #define NUMBER_OF_VIN 10 46 #define NUMBER_OF_FANIN 5 47 #define NUMBER_OF_TEMPIN 3 48 #define NUMBER_OF_PWM 5 49 50 /* Addresses to scan */ 51 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, 52 I2C_CLIENT_END }; 53 54 /* Insmod parameters */ 55 56 static unsigned short force_subclients[4]; 57 module_param_array(force_subclients, short, NULL, 0); 58 MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " 59 "{bus, clientaddr, subclientaddr1, subclientaddr2}"); 60 61 static bool reset; 62 module_param(reset, bool, 0); 63 MODULE_PARM_DESC(reset, "Set to one to force a hardware chip reset"); 64 65 static bool init; 66 module_param(init, bool, 0); 67 MODULE_PARM_DESC(init, "Set to one to force extra software initialization"); 68 69 /* The W83791D registers */ 70 static const u8 W83791D_REG_IN[NUMBER_OF_VIN] = { 71 0x20, /* VCOREA in DataSheet */ 72 0x21, /* VINR0 in DataSheet */ 73 0x22, /* +3.3VIN in DataSheet */ 74 0x23, /* VDD5V in DataSheet */ 75 0x24, /* +12VIN in DataSheet */ 76 0x25, /* -12VIN in DataSheet */ 77 0x26, /* -5VIN in DataSheet */ 78 0xB0, /* 5VSB in DataSheet */ 79 0xB1, /* VBAT in DataSheet */ 80 0xB2 /* VINR1 in DataSheet */ 81 }; 82 83 static const u8 W83791D_REG_IN_MAX[NUMBER_OF_VIN] = { 84 0x2B, /* VCOREA High Limit in DataSheet */ 85 0x2D, /* VINR0 High Limit in DataSheet */ 86 0x2F, /* +3.3VIN High Limit in DataSheet */ 87 0x31, /* VDD5V High Limit in DataSheet */ 88 0x33, /* +12VIN High Limit in DataSheet */ 89 0x35, /* -12VIN High Limit in DataSheet */ 90 0x37, /* -5VIN High Limit in DataSheet */ 91 0xB4, /* 5VSB High Limit in DataSheet */ 92 0xB6, /* VBAT High Limit in DataSheet */ 93 0xB8 /* VINR1 High Limit in DataSheet */ 94 }; 95 static const u8 W83791D_REG_IN_MIN[NUMBER_OF_VIN] = { 96 0x2C, /* VCOREA Low Limit in DataSheet */ 97 0x2E, /* VINR0 Low Limit in DataSheet */ 98 0x30, /* +3.3VIN Low Limit in DataSheet */ 99 0x32, /* VDD5V Low Limit in DataSheet */ 100 0x34, /* +12VIN Low Limit in DataSheet */ 101 0x36, /* -12VIN Low Limit in DataSheet */ 102 0x38, /* -5VIN Low Limit in DataSheet */ 103 0xB5, /* 5VSB Low Limit in DataSheet */ 104 0xB7, /* VBAT Low Limit in DataSheet */ 105 0xB9 /* VINR1 Low Limit in DataSheet */ 106 }; 107 static const u8 W83791D_REG_FAN[NUMBER_OF_FANIN] = { 108 0x28, /* FAN 1 Count in DataSheet */ 109 0x29, /* FAN 2 Count in DataSheet */ 110 0x2A, /* FAN 3 Count in DataSheet */ 111 0xBA, /* FAN 4 Count in DataSheet */ 112 0xBB, /* FAN 5 Count in DataSheet */ 113 }; 114 static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = { 115 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 116 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 117 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 118 0xBC, /* FAN 4 Count Low Limit in DataSheet */ 119 0xBD, /* FAN 5 Count Low Limit in DataSheet */ 120 }; 121 122 static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = { 123 0x81, /* PWM 1 duty cycle register in DataSheet */ 124 0x83, /* PWM 2 duty cycle register in DataSheet */ 125 0x94, /* PWM 3 duty cycle register in DataSheet */ 126 0xA0, /* PWM 4 duty cycle register in DataSheet */ 127 0xA1, /* PWM 5 duty cycle register in DataSheet */ 128 }; 129 130 static const u8 W83791D_REG_TEMP_TARGET[3] = { 131 0x85, /* PWM 1 target temperature for temp 1 */ 132 0x86, /* PWM 2 target temperature for temp 2 */ 133 0x96, /* PWM 3 target temperature for temp 3 */ 134 }; 135 136 static const u8 W83791D_REG_TEMP_TOL[2] = { 137 0x87, /* PWM 1/2 temperature tolerance */ 138 0x97, /* PWM 3 temperature tolerance */ 139 }; 140 141 static const u8 W83791D_REG_FAN_CFG[2] = { 142 0x84, /* FAN 1/2 configuration */ 143 0x95, /* FAN 3 configuration */ 144 }; 145 146 static const u8 W83791D_REG_FAN_DIV[3] = { 147 0x47, /* contains FAN1 and FAN2 Divisor */ 148 0x4b, /* contains FAN3 Divisor */ 149 0x5C, /* contains FAN4 and FAN5 Divisor */ 150 }; 151 152 #define W83791D_REG_BANK 0x4E 153 #define W83791D_REG_TEMP2_CONFIG 0xC2 154 #define W83791D_REG_TEMP3_CONFIG 0xCA 155 156 static const u8 W83791D_REG_TEMP1[3] = { 157 0x27, /* TEMP 1 in DataSheet */ 158 0x39, /* TEMP 1 Over in DataSheet */ 159 0x3A, /* TEMP 1 Hyst in DataSheet */ 160 }; 161 162 static const u8 W83791D_REG_TEMP_ADD[2][6] = { 163 {0xC0, /* TEMP 2 in DataSheet */ 164 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 165 0xC5, /* TEMP 2 Over High part in DataSheet */ 166 0xC6, /* TEMP 2 Over Low part in DataSheet */ 167 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 168 0xC4}, /* TEMP 2 Thyst Low part in DataSheet */ 169 {0xC8, /* TEMP 3 in DataSheet */ 170 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 171 0xCD, /* TEMP 3 Over High part in DataSheet */ 172 0xCE, /* TEMP 3 Over Low part in DataSheet */ 173 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 174 0xCC} /* TEMP 3 Thyst Low part in DataSheet */ 175 }; 176 177 #define W83791D_REG_BEEP_CONFIG 0x4D 178 179 static const u8 W83791D_REG_BEEP_CTRL[3] = { 180 0x56, /* BEEP Control Register 1 */ 181 0x57, /* BEEP Control Register 2 */ 182 0xA3, /* BEEP Control Register 3 */ 183 }; 184 185 #define W83791D_REG_GPIO 0x15 186 #define W83791D_REG_CONFIG 0x40 187 #define W83791D_REG_VID_FANDIV 0x47 188 #define W83791D_REG_DID_VID4 0x49 189 #define W83791D_REG_WCHIPID 0x58 190 #define W83791D_REG_CHIPMAN 0x4F 191 #define W83791D_REG_PIN 0x4B 192 #define W83791D_REG_I2C_SUBADDR 0x4A 193 194 #define W83791D_REG_ALARM1 0xA9 /* realtime status register1 */ 195 #define W83791D_REG_ALARM2 0xAA /* realtime status register2 */ 196 #define W83791D_REG_ALARM3 0xAB /* realtime status register3 */ 197 198 #define W83791D_REG_VBAT 0x5D 199 #define W83791D_REG_I2C_ADDR 0x48 200 201 /* 202 * The SMBus locks itself. The Winbond W83791D has a bank select register 203 * (index 0x4e), but the driver only accesses registers in bank 0. Since 204 * we don't switch banks, we don't need any special code to handle 205 * locking access between bank switches 206 */ 207 static inline int w83791d_read(struct i2c_client *client, u8 reg) 208 { 209 return i2c_smbus_read_byte_data(client, reg); 210 } 211 212 static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value) 213 { 214 return i2c_smbus_write_byte_data(client, reg, value); 215 } 216 217 /* 218 * The analog voltage inputs have 16mV LSB. Since the sysfs output is 219 * in mV as would be measured on the chip input pin, need to just 220 * multiply/divide by 16 to translate from/to register values. 221 */ 222 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8) / 16), 0, 255)) 223 #define IN_FROM_REG(val) ((val) * 16) 224 225 static u8 fan_to_reg(long rpm, int div) 226 { 227 if (rpm == 0) 228 return 255; 229 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 230 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 231 } 232 233 #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ 234 ((val) == 255 ? 0 : \ 235 1350000 / ((val) * (div)))) 236 237 /* for temp1 which is 8-bit resolution, LSB = 1 degree Celsius */ 238 #define TEMP1_FROM_REG(val) ((val) * 1000) 239 #define TEMP1_TO_REG(val) ((val) <= -128000 ? -128 : \ 240 (val) >= 127000 ? 127 : \ 241 (val) < 0 ? ((val) - 500) / 1000 : \ 242 ((val) + 500) / 1000) 243 244 /* 245 * for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius 246 * Assumes the top 8 bits are the integral amount and the bottom 8 bits 247 * are the fractional amount. Since we only have 0.5 degree resolution, 248 * the bottom 7 bits will always be zero 249 */ 250 #define TEMP23_FROM_REG(val) ((val) / 128 * 500) 251 #define TEMP23_TO_REG(val) ((val) <= -128000 ? 0x8000 : \ 252 (val) >= 127500 ? 0x7F80 : \ 253 (val) < 0 ? ((val) - 250) / 500 * 128 : \ 254 ((val) + 250) / 500 * 128) 255 256 /* for thermal cruise target temp, 7-bits, LSB = 1 degree Celsius */ 257 #define TARGET_TEMP_TO_REG(val) ((val) < 0 ? 0 : \ 258 (val) >= 127000 ? 127 : \ 259 ((val) + 500) / 1000) 260 261 /* for thermal cruise temp tolerance, 4-bits, LSB = 1 degree Celsius */ 262 #define TOL_TEMP_TO_REG(val) ((val) >= 15000 ? 15 : \ 263 ((val) + 500) / 1000) 264 265 #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) 266 #define BEEP_MASK_FROM_REG(val) ((val) & 0xffffff) 267 268 #define DIV_FROM_REG(val) (1 << (val)) 269 270 static u8 div_to_reg(int nr, long val) 271 { 272 int i; 273 274 /* fan divisors max out at 128 */ 275 val = SENSORS_LIMIT(val, 1, 128) >> 1; 276 for (i = 0; i < 7; i++) { 277 if (val == 0) 278 break; 279 val >>= 1; 280 } 281 return (u8) i; 282 } 283 284 struct w83791d_data { 285 struct device *hwmon_dev; 286 struct mutex update_lock; 287 288 char valid; /* !=0 if following fields are valid */ 289 unsigned long last_updated; /* In jiffies */ 290 291 /* array of 2 pointers to subclients */ 292 struct i2c_client *lm75[2]; 293 294 /* volts */ 295 u8 in[NUMBER_OF_VIN]; /* Register value */ 296 u8 in_max[NUMBER_OF_VIN]; /* Register value */ 297 u8 in_min[NUMBER_OF_VIN]; /* Register value */ 298 299 /* fans */ 300 u8 fan[NUMBER_OF_FANIN]; /* Register value */ 301 u8 fan_min[NUMBER_OF_FANIN]; /* Register value */ 302 u8 fan_div[NUMBER_OF_FANIN]; /* Register encoding, shifted right */ 303 304 /* Temperature sensors */ 305 306 s8 temp1[3]; /* current, over, thyst */ 307 s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the 308 * integral part, bottom 8 bits are the 309 * fractional part. We only use the top 310 * 9 bits as the resolution is only 311 * to the 0.5 degree C... 312 * two sensors with three values 313 * (cur, over, hyst) 314 */ 315 316 /* PWMs */ 317 u8 pwm[5]; /* pwm duty cycle */ 318 u8 pwm_enable[3]; /* pwm enable status for fan 1-3 319 * (fan 4-5 only support manual mode) 320 */ 321 322 u8 temp_target[3]; /* pwm 1-3 target temperature */ 323 u8 temp_tolerance[3]; /* pwm 1-3 temperature tolerance */ 324 325 /* Misc */ 326 u32 alarms; /* realtime status register encoding,combined */ 327 u8 beep_enable; /* Global beep enable */ 328 u32 beep_mask; /* Mask off specific beeps */ 329 u8 vid; /* Register encoding, combined */ 330 u8 vrm; /* hwmon-vid */ 331 }; 332 333 static int w83791d_probe(struct i2c_client *client, 334 const struct i2c_device_id *id); 335 static int w83791d_detect(struct i2c_client *client, 336 struct i2c_board_info *info); 337 static int w83791d_remove(struct i2c_client *client); 338 339 static int w83791d_read(struct i2c_client *client, u8 reg); 340 static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); 341 static struct w83791d_data *w83791d_update_device(struct device *dev); 342 343 #ifdef DEBUG 344 static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); 345 #endif 346 347 static void w83791d_init_client(struct i2c_client *client); 348 349 static const struct i2c_device_id w83791d_id[] = { 350 { "w83791d", 0 }, 351 { } 352 }; 353 MODULE_DEVICE_TABLE(i2c, w83791d_id); 354 355 static struct i2c_driver w83791d_driver = { 356 .class = I2C_CLASS_HWMON, 357 .driver = { 358 .name = "w83791d", 359 }, 360 .probe = w83791d_probe, 361 .remove = w83791d_remove, 362 .id_table = w83791d_id, 363 .detect = w83791d_detect, 364 .address_list = normal_i2c, 365 }; 366 367 /* following are the sysfs callback functions */ 368 #define show_in_reg(reg) \ 369 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 370 char *buf) \ 371 { \ 372 struct sensor_device_attribute *sensor_attr = \ 373 to_sensor_dev_attr(attr); \ 374 struct w83791d_data *data = w83791d_update_device(dev); \ 375 int nr = sensor_attr->index; \ 376 return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \ 377 } 378 379 show_in_reg(in); 380 show_in_reg(in_min); 381 show_in_reg(in_max); 382 383 #define store_in_reg(REG, reg) \ 384 static ssize_t store_in_##reg(struct device *dev, \ 385 struct device_attribute *attr, \ 386 const char *buf, size_t count) \ 387 { \ 388 struct sensor_device_attribute *sensor_attr = \ 389 to_sensor_dev_attr(attr); \ 390 struct i2c_client *client = to_i2c_client(dev); \ 391 struct w83791d_data *data = i2c_get_clientdata(client); \ 392 int nr = sensor_attr->index; \ 393 unsigned long val; \ 394 int err = kstrtoul(buf, 10, &val); \ 395 if (err) \ 396 return err; \ 397 mutex_lock(&data->update_lock); \ 398 data->in_##reg[nr] = IN_TO_REG(val); \ 399 w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 400 mutex_unlock(&data->update_lock); \ 401 \ 402 return count; \ 403 } 404 store_in_reg(MIN, min); 405 store_in_reg(MAX, max); 406 407 static struct sensor_device_attribute sda_in_input[] = { 408 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 409 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 410 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 411 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 412 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 413 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 414 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 415 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 416 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 417 SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), 418 }; 419 420 static struct sensor_device_attribute sda_in_min[] = { 421 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 422 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 423 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 424 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 425 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 426 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 427 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 428 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 429 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 430 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), 431 }; 432 433 static struct sensor_device_attribute sda_in_max[] = { 434 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 435 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 436 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 437 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 438 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 439 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 440 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 441 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 442 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 443 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), 444 }; 445 446 447 static ssize_t show_beep(struct device *dev, struct device_attribute *attr, 448 char *buf) 449 { 450 struct sensor_device_attribute *sensor_attr = 451 to_sensor_dev_attr(attr); 452 struct w83791d_data *data = w83791d_update_device(dev); 453 int bitnr = sensor_attr->index; 454 455 return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); 456 } 457 458 static ssize_t store_beep(struct device *dev, struct device_attribute *attr, 459 const char *buf, size_t count) 460 { 461 struct sensor_device_attribute *sensor_attr = 462 to_sensor_dev_attr(attr); 463 struct i2c_client *client = to_i2c_client(dev); 464 struct w83791d_data *data = i2c_get_clientdata(client); 465 int bitnr = sensor_attr->index; 466 int bytenr = bitnr / 8; 467 unsigned long val; 468 int err; 469 470 err = kstrtoul(buf, 10, &val); 471 if (err) 472 return err; 473 474 val = val ? 1 : 0; 475 476 mutex_lock(&data->update_lock); 477 478 data->beep_mask &= ~(0xff << (bytenr * 8)); 479 data->beep_mask |= w83791d_read(client, W83791D_REG_BEEP_CTRL[bytenr]) 480 << (bytenr * 8); 481 482 data->beep_mask &= ~(1 << bitnr); 483 data->beep_mask |= val << bitnr; 484 485 w83791d_write(client, W83791D_REG_BEEP_CTRL[bytenr], 486 (data->beep_mask >> (bytenr * 8)) & 0xff); 487 488 mutex_unlock(&data->update_lock); 489 490 return count; 491 } 492 493 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 494 char *buf) 495 { 496 struct sensor_device_attribute *sensor_attr = 497 to_sensor_dev_attr(attr); 498 struct w83791d_data *data = w83791d_update_device(dev); 499 int bitnr = sensor_attr->index; 500 501 return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); 502 } 503 504 /* 505 * Note: The bitmask for the beep enable/disable is different than 506 * the bitmask for the alarm. 507 */ 508 static struct sensor_device_attribute sda_in_beep[] = { 509 SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0), 510 SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13), 511 SENSOR_ATTR(in2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 2), 512 SENSOR_ATTR(in3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 3), 513 SENSOR_ATTR(in4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 8), 514 SENSOR_ATTR(in5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 9), 515 SENSOR_ATTR(in6_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 10), 516 SENSOR_ATTR(in7_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 16), 517 SENSOR_ATTR(in8_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 17), 518 SENSOR_ATTR(in9_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 14), 519 }; 520 521 static struct sensor_device_attribute sda_in_alarm[] = { 522 SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), 523 SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), 524 SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), 525 SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), 526 SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), 527 SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9), 528 SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10), 529 SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19), 530 SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20), 531 SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 14), 532 }; 533 534 #define show_fan_reg(reg) \ 535 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 536 char *buf) \ 537 { \ 538 struct sensor_device_attribute *sensor_attr = \ 539 to_sensor_dev_attr(attr); \ 540 struct w83791d_data *data = w83791d_update_device(dev); \ 541 int nr = sensor_attr->index; \ 542 return sprintf(buf, "%d\n", \ 543 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 544 } 545 546 show_fan_reg(fan); 547 show_fan_reg(fan_min); 548 549 static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, 550 const char *buf, size_t count) 551 { 552 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 553 struct i2c_client *client = to_i2c_client(dev); 554 struct w83791d_data *data = i2c_get_clientdata(client); 555 int nr = sensor_attr->index; 556 unsigned long val; 557 int err; 558 559 err = kstrtoul(buf, 10, &val); 560 if (err) 561 return err; 562 563 mutex_lock(&data->update_lock); 564 data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr])); 565 w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); 566 mutex_unlock(&data->update_lock); 567 568 return count; 569 } 570 571 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, 572 char *buf) 573 { 574 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 575 int nr = sensor_attr->index; 576 struct w83791d_data *data = w83791d_update_device(dev); 577 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr])); 578 } 579 580 /* 581 * Note: we save and restore the fan minimum here, because its value is 582 * determined in part by the fan divisor. This follows the principle of 583 * least surprise; the user doesn't expect the fan minimum to change just 584 * because the divisor changed. 585 */ 586 static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr, 587 const char *buf, size_t count) 588 { 589 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 590 struct i2c_client *client = to_i2c_client(dev); 591 struct w83791d_data *data = i2c_get_clientdata(client); 592 int nr = sensor_attr->index; 593 unsigned long min; 594 u8 tmp_fan_div; 595 u8 fan_div_reg; 596 u8 vbat_reg; 597 int indx = 0; 598 u8 keep_mask = 0; 599 u8 new_shift = 0; 600 unsigned long val; 601 int err; 602 603 err = kstrtoul(buf, 10, &val); 604 if (err) 605 return err; 606 607 /* Save fan_min */ 608 min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); 609 610 mutex_lock(&data->update_lock); 611 data->fan_div[nr] = div_to_reg(nr, val); 612 613 switch (nr) { 614 case 0: 615 indx = 0; 616 keep_mask = 0xcf; 617 new_shift = 4; 618 break; 619 case 1: 620 indx = 0; 621 keep_mask = 0x3f; 622 new_shift = 6; 623 break; 624 case 2: 625 indx = 1; 626 keep_mask = 0x3f; 627 new_shift = 6; 628 break; 629 case 3: 630 indx = 2; 631 keep_mask = 0xf8; 632 new_shift = 0; 633 break; 634 case 4: 635 indx = 2; 636 keep_mask = 0x8f; 637 new_shift = 4; 638 break; 639 #ifdef DEBUG 640 default: 641 dev_warn(dev, "store_fan_div: Unexpected nr seen: %d\n", nr); 642 count = -EINVAL; 643 goto err_exit; 644 #endif 645 } 646 647 fan_div_reg = w83791d_read(client, W83791D_REG_FAN_DIV[indx]) 648 & keep_mask; 649 tmp_fan_div = (data->fan_div[nr] << new_shift) & ~keep_mask; 650 651 w83791d_write(client, W83791D_REG_FAN_DIV[indx], 652 fan_div_reg | tmp_fan_div); 653 654 /* Bit 2 of fans 0-2 is stored in the vbat register (bits 5-7) */ 655 if (nr < 3) { 656 keep_mask = ~(1 << (nr + 5)); 657 vbat_reg = w83791d_read(client, W83791D_REG_VBAT) 658 & keep_mask; 659 tmp_fan_div = (data->fan_div[nr] << (3 + nr)) & ~keep_mask; 660 w83791d_write(client, W83791D_REG_VBAT, 661 vbat_reg | tmp_fan_div); 662 } 663 664 /* Restore fan_min */ 665 data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr])); 666 w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); 667 668 #ifdef DEBUG 669 err_exit: 670 #endif 671 mutex_unlock(&data->update_lock); 672 673 return count; 674 } 675 676 static struct sensor_device_attribute sda_fan_input[] = { 677 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), 678 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), 679 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), 680 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), 681 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), 682 }; 683 684 static struct sensor_device_attribute sda_fan_min[] = { 685 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, 686 show_fan_min, store_fan_min, 0), 687 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, 688 show_fan_min, store_fan_min, 1), 689 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, 690 show_fan_min, store_fan_min, 2), 691 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, 692 show_fan_min, store_fan_min, 3), 693 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, 694 show_fan_min, store_fan_min, 4), 695 }; 696 697 static struct sensor_device_attribute sda_fan_div[] = { 698 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, 699 show_fan_div, store_fan_div, 0), 700 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, 701 show_fan_div, store_fan_div, 1), 702 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, 703 show_fan_div, store_fan_div, 2), 704 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, 705 show_fan_div, store_fan_div, 3), 706 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, 707 show_fan_div, store_fan_div, 4), 708 }; 709 710 static struct sensor_device_attribute sda_fan_beep[] = { 711 SENSOR_ATTR(fan1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 6), 712 SENSOR_ATTR(fan2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 7), 713 SENSOR_ATTR(fan3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 11), 714 SENSOR_ATTR(fan4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 21), 715 SENSOR_ATTR(fan5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 22), 716 }; 717 718 static struct sensor_device_attribute sda_fan_alarm[] = { 719 SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), 720 SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), 721 SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), 722 SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21), 723 SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22), 724 }; 725 726 /* read/write PWMs */ 727 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, 728 char *buf) 729 { 730 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 731 int nr = sensor_attr->index; 732 struct w83791d_data *data = w83791d_update_device(dev); 733 return sprintf(buf, "%u\n", data->pwm[nr]); 734 } 735 736 static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, 737 const char *buf, size_t count) 738 { 739 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 740 struct i2c_client *client = to_i2c_client(dev); 741 struct w83791d_data *data = i2c_get_clientdata(client); 742 int nr = sensor_attr->index; 743 unsigned long val; 744 745 if (kstrtoul(buf, 10, &val)) 746 return -EINVAL; 747 748 mutex_lock(&data->update_lock); 749 data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); 750 w83791d_write(client, W83791D_REG_PWM[nr], data->pwm[nr]); 751 mutex_unlock(&data->update_lock); 752 return count; 753 } 754 755 static struct sensor_device_attribute sda_pwm[] = { 756 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, 757 show_pwm, store_pwm, 0), 758 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, 759 show_pwm, store_pwm, 1), 760 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, 761 show_pwm, store_pwm, 2), 762 SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, 763 show_pwm, store_pwm, 3), 764 SENSOR_ATTR(pwm5, S_IWUSR | S_IRUGO, 765 show_pwm, store_pwm, 4), 766 }; 767 768 static ssize_t show_pwmenable(struct device *dev, struct device_attribute *attr, 769 char *buf) 770 { 771 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 772 int nr = sensor_attr->index; 773 struct w83791d_data *data = w83791d_update_device(dev); 774 return sprintf(buf, "%u\n", data->pwm_enable[nr] + 1); 775 } 776 777 static ssize_t store_pwmenable(struct device *dev, 778 struct device_attribute *attr, const char *buf, size_t count) 779 { 780 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 781 struct i2c_client *client = to_i2c_client(dev); 782 struct w83791d_data *data = i2c_get_clientdata(client); 783 int nr = sensor_attr->index; 784 unsigned long val; 785 u8 reg_cfg_tmp; 786 u8 reg_idx = 0; 787 u8 val_shift = 0; 788 u8 keep_mask = 0; 789 790 int ret = kstrtoul(buf, 10, &val); 791 792 if (ret || val < 1 || val > 3) 793 return -EINVAL; 794 795 mutex_lock(&data->update_lock); 796 data->pwm_enable[nr] = val - 1; 797 switch (nr) { 798 case 0: 799 reg_idx = 0; 800 val_shift = 2; 801 keep_mask = 0xf3; 802 break; 803 case 1: 804 reg_idx = 0; 805 val_shift = 4; 806 keep_mask = 0xcf; 807 break; 808 case 2: 809 reg_idx = 1; 810 val_shift = 2; 811 keep_mask = 0xf3; 812 break; 813 } 814 815 reg_cfg_tmp = w83791d_read(client, W83791D_REG_FAN_CFG[reg_idx]); 816 reg_cfg_tmp = (reg_cfg_tmp & keep_mask) | 817 data->pwm_enable[nr] << val_shift; 818 819 w83791d_write(client, W83791D_REG_FAN_CFG[reg_idx], reg_cfg_tmp); 820 mutex_unlock(&data->update_lock); 821 822 return count; 823 } 824 static struct sensor_device_attribute sda_pwmenable[] = { 825 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 826 show_pwmenable, store_pwmenable, 0), 827 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 828 show_pwmenable, store_pwmenable, 1), 829 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 830 show_pwmenable, store_pwmenable, 2), 831 }; 832 833 /* For Smart Fan I / Thermal Cruise */ 834 static ssize_t show_temp_target(struct device *dev, 835 struct device_attribute *attr, char *buf) 836 { 837 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 838 struct w83791d_data *data = w83791d_update_device(dev); 839 int nr = sensor_attr->index; 840 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_target[nr])); 841 } 842 843 static ssize_t store_temp_target(struct device *dev, 844 struct device_attribute *attr, const char *buf, size_t count) 845 { 846 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 847 struct i2c_client *client = to_i2c_client(dev); 848 struct w83791d_data *data = i2c_get_clientdata(client); 849 int nr = sensor_attr->index; 850 long val; 851 u8 target_mask; 852 853 if (kstrtol(buf, 10, &val)) 854 return -EINVAL; 855 856 mutex_lock(&data->update_lock); 857 data->temp_target[nr] = TARGET_TEMP_TO_REG(val); 858 target_mask = w83791d_read(client, 859 W83791D_REG_TEMP_TARGET[nr]) & 0x80; 860 w83791d_write(client, W83791D_REG_TEMP_TARGET[nr], 861 data->temp_target[nr] | target_mask); 862 mutex_unlock(&data->update_lock); 863 return count; 864 } 865 866 static struct sensor_device_attribute sda_temp_target[] = { 867 SENSOR_ATTR(temp1_target, S_IWUSR | S_IRUGO, 868 show_temp_target, store_temp_target, 0), 869 SENSOR_ATTR(temp2_target, S_IWUSR | S_IRUGO, 870 show_temp_target, store_temp_target, 1), 871 SENSOR_ATTR(temp3_target, S_IWUSR | S_IRUGO, 872 show_temp_target, store_temp_target, 2), 873 }; 874 875 static ssize_t show_temp_tolerance(struct device *dev, 876 struct device_attribute *attr, char *buf) 877 { 878 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 879 struct w83791d_data *data = w83791d_update_device(dev); 880 int nr = sensor_attr->index; 881 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_tolerance[nr])); 882 } 883 884 static ssize_t store_temp_tolerance(struct device *dev, 885 struct device_attribute *attr, const char *buf, size_t count) 886 { 887 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 888 struct i2c_client *client = to_i2c_client(dev); 889 struct w83791d_data *data = i2c_get_clientdata(client); 890 int nr = sensor_attr->index; 891 unsigned long val; 892 u8 target_mask; 893 u8 reg_idx = 0; 894 u8 val_shift = 0; 895 u8 keep_mask = 0; 896 897 if (kstrtoul(buf, 10, &val)) 898 return -EINVAL; 899 900 switch (nr) { 901 case 0: 902 reg_idx = 0; 903 val_shift = 0; 904 keep_mask = 0xf0; 905 break; 906 case 1: 907 reg_idx = 0; 908 val_shift = 4; 909 keep_mask = 0x0f; 910 break; 911 case 2: 912 reg_idx = 1; 913 val_shift = 0; 914 keep_mask = 0xf0; 915 break; 916 } 917 918 mutex_lock(&data->update_lock); 919 data->temp_tolerance[nr] = TOL_TEMP_TO_REG(val); 920 target_mask = w83791d_read(client, 921 W83791D_REG_TEMP_TOL[reg_idx]) & keep_mask; 922 w83791d_write(client, W83791D_REG_TEMP_TOL[reg_idx], 923 (data->temp_tolerance[nr] << val_shift) | target_mask); 924 mutex_unlock(&data->update_lock); 925 return count; 926 } 927 928 static struct sensor_device_attribute sda_temp_tolerance[] = { 929 SENSOR_ATTR(temp1_tolerance, S_IWUSR | S_IRUGO, 930 show_temp_tolerance, store_temp_tolerance, 0), 931 SENSOR_ATTR(temp2_tolerance, S_IWUSR | S_IRUGO, 932 show_temp_tolerance, store_temp_tolerance, 1), 933 SENSOR_ATTR(temp3_tolerance, S_IWUSR | S_IRUGO, 934 show_temp_tolerance, store_temp_tolerance, 2), 935 }; 936 937 /* read/write the temperature1, includes measured value and limits */ 938 static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr, 939 char *buf) 940 { 941 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 942 struct w83791d_data *data = w83791d_update_device(dev); 943 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[attr->index])); 944 } 945 946 static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr, 947 const char *buf, size_t count) 948 { 949 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 950 struct i2c_client *client = to_i2c_client(dev); 951 struct w83791d_data *data = i2c_get_clientdata(client); 952 int nr = attr->index; 953 long val; 954 int err; 955 956 err = kstrtol(buf, 10, &val); 957 if (err) 958 return err; 959 960 mutex_lock(&data->update_lock); 961 data->temp1[nr] = TEMP1_TO_REG(val); 962 w83791d_write(client, W83791D_REG_TEMP1[nr], data->temp1[nr]); 963 mutex_unlock(&data->update_lock); 964 return count; 965 } 966 967 /* read/write temperature2-3, includes measured value and limits */ 968 static ssize_t show_temp23(struct device *dev, struct device_attribute *devattr, 969 char *buf) 970 { 971 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); 972 struct w83791d_data *data = w83791d_update_device(dev); 973 int nr = attr->nr; 974 int index = attr->index; 975 return sprintf(buf, "%d\n", TEMP23_FROM_REG(data->temp_add[nr][index])); 976 } 977 978 static ssize_t store_temp23(struct device *dev, 979 struct device_attribute *devattr, 980 const char *buf, size_t count) 981 { 982 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); 983 struct i2c_client *client = to_i2c_client(dev); 984 struct w83791d_data *data = i2c_get_clientdata(client); 985 long val; 986 int err; 987 int nr = attr->nr; 988 int index = attr->index; 989 990 err = kstrtol(buf, 10, &val); 991 if (err) 992 return err; 993 994 mutex_lock(&data->update_lock); 995 data->temp_add[nr][index] = TEMP23_TO_REG(val); 996 w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2], 997 data->temp_add[nr][index] >> 8); 998 w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2 + 1], 999 data->temp_add[nr][index] & 0x80); 1000 mutex_unlock(&data->update_lock); 1001 1002 return count; 1003 } 1004 1005 static struct sensor_device_attribute_2 sda_temp_input[] = { 1006 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 1007 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 1008 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 1009 }; 1010 1011 static struct sensor_device_attribute_2 sda_temp_max[] = { 1012 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, 1013 show_temp1, store_temp1, 0, 1), 1014 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, 1015 show_temp23, store_temp23, 0, 1), 1016 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, 1017 show_temp23, store_temp23, 1, 1), 1018 }; 1019 1020 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 1021 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, 1022 show_temp1, store_temp1, 0, 2), 1023 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, 1024 show_temp23, store_temp23, 0, 2), 1025 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, 1026 show_temp23, store_temp23, 1, 2), 1027 }; 1028 1029 /* 1030 * Note: The bitmask for the beep enable/disable is different than 1031 * the bitmask for the alarm. 1032 */ 1033 static struct sensor_device_attribute sda_temp_beep[] = { 1034 SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4), 1035 SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5), 1036 SENSOR_ATTR(temp3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 1), 1037 }; 1038 1039 static struct sensor_device_attribute sda_temp_alarm[] = { 1040 SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), 1041 SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), 1042 SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), 1043 }; 1044 1045 /* get reatime status of all sensors items: voltage, temp, fan */ 1046 static ssize_t show_alarms_reg(struct device *dev, 1047 struct device_attribute *attr, char *buf) 1048 { 1049 struct w83791d_data *data = w83791d_update_device(dev); 1050 return sprintf(buf, "%u\n", data->alarms); 1051 } 1052 1053 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 1054 1055 /* Beep control */ 1056 1057 #define GLOBAL_BEEP_ENABLE_SHIFT 15 1058 #define GLOBAL_BEEP_ENABLE_MASK (1 << GLOBAL_BEEP_ENABLE_SHIFT) 1059 1060 static ssize_t show_beep_enable(struct device *dev, 1061 struct device_attribute *attr, char *buf) 1062 { 1063 struct w83791d_data *data = w83791d_update_device(dev); 1064 return sprintf(buf, "%d\n", data->beep_enable); 1065 } 1066 1067 static ssize_t show_beep_mask(struct device *dev, 1068 struct device_attribute *attr, char *buf) 1069 { 1070 struct w83791d_data *data = w83791d_update_device(dev); 1071 return sprintf(buf, "%d\n", BEEP_MASK_FROM_REG(data->beep_mask)); 1072 } 1073 1074 1075 static ssize_t store_beep_mask(struct device *dev, 1076 struct device_attribute *attr, 1077 const char *buf, size_t count) 1078 { 1079 struct i2c_client *client = to_i2c_client(dev); 1080 struct w83791d_data *data = i2c_get_clientdata(client); 1081 int i; 1082 long val; 1083 int err; 1084 1085 err = kstrtol(buf, 10, &val); 1086 if (err) 1087 return err; 1088 1089 mutex_lock(&data->update_lock); 1090 1091 /* 1092 * The beep_enable state overrides any enabling request from 1093 * the masks 1094 */ 1095 data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK; 1096 data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); 1097 1098 val = data->beep_mask; 1099 1100 for (i = 0; i < 3; i++) { 1101 w83791d_write(client, W83791D_REG_BEEP_CTRL[i], (val & 0xff)); 1102 val >>= 8; 1103 } 1104 1105 mutex_unlock(&data->update_lock); 1106 1107 return count; 1108 } 1109 1110 static ssize_t store_beep_enable(struct device *dev, 1111 struct device_attribute *attr, 1112 const char *buf, size_t count) 1113 { 1114 struct i2c_client *client = to_i2c_client(dev); 1115 struct w83791d_data *data = i2c_get_clientdata(client); 1116 long val; 1117 int err; 1118 1119 err = kstrtol(buf, 10, &val); 1120 if (err) 1121 return err; 1122 1123 mutex_lock(&data->update_lock); 1124 1125 data->beep_enable = val ? 1 : 0; 1126 1127 /* Keep the full mask value in sync with the current enable */ 1128 data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK; 1129 data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); 1130 1131 /* 1132 * The global control is in the second beep control register 1133 * so only need to update that register 1134 */ 1135 val = (data->beep_mask >> 8) & 0xff; 1136 1137 w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val); 1138 1139 mutex_unlock(&data->update_lock); 1140 1141 return count; 1142 } 1143 1144 static struct sensor_device_attribute sda_beep_ctrl[] = { 1145 SENSOR_ATTR(beep_enable, S_IRUGO | S_IWUSR, 1146 show_beep_enable, store_beep_enable, 0), 1147 SENSOR_ATTR(beep_mask, S_IRUGO | S_IWUSR, 1148 show_beep_mask, store_beep_mask, 1) 1149 }; 1150 1151 /* cpu voltage regulation information */ 1152 static ssize_t show_vid_reg(struct device *dev, 1153 struct device_attribute *attr, char *buf) 1154 { 1155 struct w83791d_data *data = w83791d_update_device(dev); 1156 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 1157 } 1158 1159 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 1160 1161 static ssize_t show_vrm_reg(struct device *dev, 1162 struct device_attribute *attr, char *buf) 1163 { 1164 struct w83791d_data *data = dev_get_drvdata(dev); 1165 return sprintf(buf, "%d\n", data->vrm); 1166 } 1167 1168 static ssize_t store_vrm_reg(struct device *dev, 1169 struct device_attribute *attr, 1170 const char *buf, size_t count) 1171 { 1172 struct w83791d_data *data = dev_get_drvdata(dev); 1173 unsigned long val; 1174 int err; 1175 1176 /* 1177 * No lock needed as vrm is internal to the driver 1178 * (not read from a chip register) and so is not 1179 * updated in w83791d_update_device() 1180 */ 1181 1182 err = kstrtoul(buf, 10, &val); 1183 if (err) 1184 return err; 1185 1186 data->vrm = val; 1187 return count; 1188 } 1189 1190 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 1191 1192 #define IN_UNIT_ATTRS(X) \ 1193 &sda_in_input[X].dev_attr.attr, \ 1194 &sda_in_min[X].dev_attr.attr, \ 1195 &sda_in_max[X].dev_attr.attr, \ 1196 &sda_in_beep[X].dev_attr.attr, \ 1197 &sda_in_alarm[X].dev_attr.attr 1198 1199 #define FAN_UNIT_ATTRS(X) \ 1200 &sda_fan_input[X].dev_attr.attr, \ 1201 &sda_fan_min[X].dev_attr.attr, \ 1202 &sda_fan_div[X].dev_attr.attr, \ 1203 &sda_fan_beep[X].dev_attr.attr, \ 1204 &sda_fan_alarm[X].dev_attr.attr 1205 1206 #define TEMP_UNIT_ATTRS(X) \ 1207 &sda_temp_input[X].dev_attr.attr, \ 1208 &sda_temp_max[X].dev_attr.attr, \ 1209 &sda_temp_max_hyst[X].dev_attr.attr, \ 1210 &sda_temp_beep[X].dev_attr.attr, \ 1211 &sda_temp_alarm[X].dev_attr.attr 1212 1213 static struct attribute *w83791d_attributes[] = { 1214 IN_UNIT_ATTRS(0), 1215 IN_UNIT_ATTRS(1), 1216 IN_UNIT_ATTRS(2), 1217 IN_UNIT_ATTRS(3), 1218 IN_UNIT_ATTRS(4), 1219 IN_UNIT_ATTRS(5), 1220 IN_UNIT_ATTRS(6), 1221 IN_UNIT_ATTRS(7), 1222 IN_UNIT_ATTRS(8), 1223 IN_UNIT_ATTRS(9), 1224 FAN_UNIT_ATTRS(0), 1225 FAN_UNIT_ATTRS(1), 1226 FAN_UNIT_ATTRS(2), 1227 TEMP_UNIT_ATTRS(0), 1228 TEMP_UNIT_ATTRS(1), 1229 TEMP_UNIT_ATTRS(2), 1230 &dev_attr_alarms.attr, 1231 &sda_beep_ctrl[0].dev_attr.attr, 1232 &sda_beep_ctrl[1].dev_attr.attr, 1233 &dev_attr_cpu0_vid.attr, 1234 &dev_attr_vrm.attr, 1235 &sda_pwm[0].dev_attr.attr, 1236 &sda_pwm[1].dev_attr.attr, 1237 &sda_pwm[2].dev_attr.attr, 1238 &sda_pwmenable[0].dev_attr.attr, 1239 &sda_pwmenable[1].dev_attr.attr, 1240 &sda_pwmenable[2].dev_attr.attr, 1241 &sda_temp_target[0].dev_attr.attr, 1242 &sda_temp_target[1].dev_attr.attr, 1243 &sda_temp_target[2].dev_attr.attr, 1244 &sda_temp_tolerance[0].dev_attr.attr, 1245 &sda_temp_tolerance[1].dev_attr.attr, 1246 &sda_temp_tolerance[2].dev_attr.attr, 1247 NULL 1248 }; 1249 1250 static const struct attribute_group w83791d_group = { 1251 .attrs = w83791d_attributes, 1252 }; 1253 1254 /* 1255 * Separate group of attributes for fan/pwm 4-5. Their pins can also be 1256 * in use for GPIO in which case their sysfs-interface should not be made 1257 * available 1258 */ 1259 static struct attribute *w83791d_attributes_fanpwm45[] = { 1260 FAN_UNIT_ATTRS(3), 1261 FAN_UNIT_ATTRS(4), 1262 &sda_pwm[3].dev_attr.attr, 1263 &sda_pwm[4].dev_attr.attr, 1264 NULL 1265 }; 1266 1267 static const struct attribute_group w83791d_group_fanpwm45 = { 1268 .attrs = w83791d_attributes_fanpwm45, 1269 }; 1270 1271 static int w83791d_detect_subclients(struct i2c_client *client) 1272 { 1273 struct i2c_adapter *adapter = client->adapter; 1274 struct w83791d_data *data = i2c_get_clientdata(client); 1275 int address = client->addr; 1276 int i, id, err; 1277 u8 val; 1278 1279 id = i2c_adapter_id(adapter); 1280 if (force_subclients[0] == id && force_subclients[1] == address) { 1281 for (i = 2; i <= 3; i++) { 1282 if (force_subclients[i] < 0x48 || 1283 force_subclients[i] > 0x4f) { 1284 dev_err(&client->dev, 1285 "invalid subclient " 1286 "address %d; must be 0x48-0x4f\n", 1287 force_subclients[i]); 1288 err = -ENODEV; 1289 goto error_sc_0; 1290 } 1291 } 1292 w83791d_write(client, W83791D_REG_I2C_SUBADDR, 1293 (force_subclients[2] & 0x07) | 1294 ((force_subclients[3] & 0x07) << 4)); 1295 } 1296 1297 val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); 1298 if (!(val & 0x08)) 1299 data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7)); 1300 if (!(val & 0x80)) { 1301 if ((data->lm75[0] != NULL) && 1302 ((val & 0x7) == ((val >> 4) & 0x7))) { 1303 dev_err(&client->dev, 1304 "duplicate addresses 0x%x, " 1305 "use force_subclient\n", 1306 data->lm75[0]->addr); 1307 err = -ENODEV; 1308 goto error_sc_1; 1309 } 1310 data->lm75[1] = i2c_new_dummy(adapter, 1311 0x48 + ((val >> 4) & 0x7)); 1312 } 1313 1314 return 0; 1315 1316 /* Undo inits in case of errors */ 1317 1318 error_sc_1: 1319 if (data->lm75[0] != NULL) 1320 i2c_unregister_device(data->lm75[0]); 1321 error_sc_0: 1322 return err; 1323 } 1324 1325 1326 /* Return 0 if detection is successful, -ENODEV otherwise */ 1327 static int w83791d_detect(struct i2c_client *client, 1328 struct i2c_board_info *info) 1329 { 1330 struct i2c_adapter *adapter = client->adapter; 1331 int val1, val2; 1332 unsigned short address = client->addr; 1333 1334 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1335 return -ENODEV; 1336 1337 if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) 1338 return -ENODEV; 1339 1340 val1 = w83791d_read(client, W83791D_REG_BANK); 1341 val2 = w83791d_read(client, W83791D_REG_CHIPMAN); 1342 /* Check for Winbond ID if in bank 0 */ 1343 if (!(val1 & 0x07)) { 1344 if ((!(val1 & 0x80) && val2 != 0xa3) || 1345 ((val1 & 0x80) && val2 != 0x5c)) { 1346 return -ENODEV; 1347 } 1348 } 1349 /* 1350 * If Winbond chip, address of chip and W83791D_REG_I2C_ADDR 1351 * should match 1352 */ 1353 if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) 1354 return -ENODEV; 1355 1356 /* We want bank 0 and Vendor ID high byte */ 1357 val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; 1358 w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); 1359 1360 /* Verify it is a Winbond w83791d */ 1361 val1 = w83791d_read(client, W83791D_REG_WCHIPID); 1362 val2 = w83791d_read(client, W83791D_REG_CHIPMAN); 1363 if (val1 != 0x71 || val2 != 0x5c) 1364 return -ENODEV; 1365 1366 strlcpy(info->type, "w83791d", I2C_NAME_SIZE); 1367 1368 return 0; 1369 } 1370 1371 static int w83791d_probe(struct i2c_client *client, 1372 const struct i2c_device_id *id) 1373 { 1374 struct w83791d_data *data; 1375 struct device *dev = &client->dev; 1376 int i, err; 1377 u8 has_fanpwm45; 1378 1379 #ifdef DEBUG 1380 int val1; 1381 val1 = w83791d_read(client, W83791D_REG_DID_VID4); 1382 dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n", 1383 (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1); 1384 #endif 1385 1386 data = devm_kzalloc(&client->dev, sizeof(struct w83791d_data), 1387 GFP_KERNEL); 1388 if (!data) 1389 return -ENOMEM; 1390 1391 i2c_set_clientdata(client, data); 1392 mutex_init(&data->update_lock); 1393 1394 err = w83791d_detect_subclients(client); 1395 if (err) 1396 return err; 1397 1398 /* Initialize the chip */ 1399 w83791d_init_client(client); 1400 1401 /* 1402 * If the fan_div is changed, make sure there is a rational 1403 * fan_min in place 1404 */ 1405 for (i = 0; i < NUMBER_OF_FANIN; i++) 1406 data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]); 1407 1408 /* Register sysfs hooks */ 1409 err = sysfs_create_group(&client->dev.kobj, &w83791d_group); 1410 if (err) 1411 goto error3; 1412 1413 /* Check if pins of fan/pwm 4-5 are in use as GPIO */ 1414 has_fanpwm45 = w83791d_read(client, W83791D_REG_GPIO) & 0x10; 1415 if (has_fanpwm45) { 1416 err = sysfs_create_group(&client->dev.kobj, 1417 &w83791d_group_fanpwm45); 1418 if (err) 1419 goto error4; 1420 } 1421 1422 /* Everything is ready, now register the working device */ 1423 data->hwmon_dev = hwmon_device_register(dev); 1424 if (IS_ERR(data->hwmon_dev)) { 1425 err = PTR_ERR(data->hwmon_dev); 1426 goto error5; 1427 } 1428 1429 return 0; 1430 1431 error5: 1432 if (has_fanpwm45) 1433 sysfs_remove_group(&client->dev.kobj, &w83791d_group_fanpwm45); 1434 error4: 1435 sysfs_remove_group(&client->dev.kobj, &w83791d_group); 1436 error3: 1437 if (data->lm75[0] != NULL) 1438 i2c_unregister_device(data->lm75[0]); 1439 if (data->lm75[1] != NULL) 1440 i2c_unregister_device(data->lm75[1]); 1441 return err; 1442 } 1443 1444 static int w83791d_remove(struct i2c_client *client) 1445 { 1446 struct w83791d_data *data = i2c_get_clientdata(client); 1447 1448 hwmon_device_unregister(data->hwmon_dev); 1449 sysfs_remove_group(&client->dev.kobj, &w83791d_group); 1450 1451 if (data->lm75[0] != NULL) 1452 i2c_unregister_device(data->lm75[0]); 1453 if (data->lm75[1] != NULL) 1454 i2c_unregister_device(data->lm75[1]); 1455 1456 return 0; 1457 } 1458 1459 static void w83791d_init_client(struct i2c_client *client) 1460 { 1461 struct w83791d_data *data = i2c_get_clientdata(client); 1462 u8 tmp; 1463 u8 old_beep; 1464 1465 /* 1466 * The difference between reset and init is that reset 1467 * does a hard reset of the chip via index 0x40, bit 7, 1468 * but init simply forces certain registers to have "sane" 1469 * values. The hope is that the BIOS has done the right 1470 * thing (which is why the default is reset=0, init=0), 1471 * but if not, reset is the hard hammer and init 1472 * is the soft mallet both of which are trying to whack 1473 * things into place... 1474 * NOTE: The data sheet makes a distinction between 1475 * "power on defaults" and "reset by MR". As far as I can tell, 1476 * the hard reset puts everything into a power-on state so I'm 1477 * not sure what "reset by MR" means or how it can happen. 1478 */ 1479 if (reset || init) { 1480 /* keep some BIOS settings when we... */ 1481 old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG); 1482 1483 if (reset) { 1484 /* ... reset the chip and ... */ 1485 w83791d_write(client, W83791D_REG_CONFIG, 0x80); 1486 } 1487 1488 /* ... disable power-on abnormal beep */ 1489 w83791d_write(client, W83791D_REG_BEEP_CONFIG, old_beep | 0x80); 1490 1491 /* disable the global beep (not done by hard reset) */ 1492 tmp = w83791d_read(client, W83791D_REG_BEEP_CTRL[1]); 1493 w83791d_write(client, W83791D_REG_BEEP_CTRL[1], tmp & 0xef); 1494 1495 if (init) { 1496 /* Make sure monitoring is turned on for add-ons */ 1497 tmp = w83791d_read(client, W83791D_REG_TEMP2_CONFIG); 1498 if (tmp & 1) { 1499 w83791d_write(client, W83791D_REG_TEMP2_CONFIG, 1500 tmp & 0xfe); 1501 } 1502 1503 tmp = w83791d_read(client, W83791D_REG_TEMP3_CONFIG); 1504 if (tmp & 1) { 1505 w83791d_write(client, W83791D_REG_TEMP3_CONFIG, 1506 tmp & 0xfe); 1507 } 1508 1509 /* Start monitoring */ 1510 tmp = w83791d_read(client, W83791D_REG_CONFIG) & 0xf7; 1511 w83791d_write(client, W83791D_REG_CONFIG, tmp | 0x01); 1512 } 1513 } 1514 1515 data->vrm = vid_which_vrm(); 1516 } 1517 1518 static struct w83791d_data *w83791d_update_device(struct device *dev) 1519 { 1520 struct i2c_client *client = to_i2c_client(dev); 1521 struct w83791d_data *data = i2c_get_clientdata(client); 1522 int i, j; 1523 u8 reg_array_tmp[3]; 1524 u8 vbat_reg; 1525 1526 mutex_lock(&data->update_lock); 1527 1528 if (time_after(jiffies, data->last_updated + (HZ * 3)) 1529 || !data->valid) { 1530 dev_dbg(dev, "Starting w83791d device update\n"); 1531 1532 /* Update the voltages measured value and limits */ 1533 for (i = 0; i < NUMBER_OF_VIN; i++) { 1534 data->in[i] = w83791d_read(client, 1535 W83791D_REG_IN[i]); 1536 data->in_max[i] = w83791d_read(client, 1537 W83791D_REG_IN_MAX[i]); 1538 data->in_min[i] = w83791d_read(client, 1539 W83791D_REG_IN_MIN[i]); 1540 } 1541 1542 /* Update the fan counts and limits */ 1543 for (i = 0; i < NUMBER_OF_FANIN; i++) { 1544 /* Update the Fan measured value and limits */ 1545 data->fan[i] = w83791d_read(client, 1546 W83791D_REG_FAN[i]); 1547 data->fan_min[i] = w83791d_read(client, 1548 W83791D_REG_FAN_MIN[i]); 1549 } 1550 1551 /* Update the fan divisor */ 1552 for (i = 0; i < 3; i++) { 1553 reg_array_tmp[i] = w83791d_read(client, 1554 W83791D_REG_FAN_DIV[i]); 1555 } 1556 data->fan_div[0] = (reg_array_tmp[0] >> 4) & 0x03; 1557 data->fan_div[1] = (reg_array_tmp[0] >> 6) & 0x03; 1558 data->fan_div[2] = (reg_array_tmp[1] >> 6) & 0x03; 1559 data->fan_div[3] = reg_array_tmp[2] & 0x07; 1560 data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07; 1561 1562 /* 1563 * The fan divisor for fans 0-2 get bit 2 from 1564 * bits 5-7 respectively of vbat register 1565 */ 1566 vbat_reg = w83791d_read(client, W83791D_REG_VBAT); 1567 for (i = 0; i < 3; i++) 1568 data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04; 1569 1570 /* Update PWM duty cycle */ 1571 for (i = 0; i < NUMBER_OF_PWM; i++) { 1572 data->pwm[i] = w83791d_read(client, 1573 W83791D_REG_PWM[i]); 1574 } 1575 1576 /* Update PWM enable status */ 1577 for (i = 0; i < 2; i++) { 1578 reg_array_tmp[i] = w83791d_read(client, 1579 W83791D_REG_FAN_CFG[i]); 1580 } 1581 data->pwm_enable[0] = (reg_array_tmp[0] >> 2) & 0x03; 1582 data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03; 1583 data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03; 1584 1585 /* Update PWM target temperature */ 1586 for (i = 0; i < 3; i++) { 1587 data->temp_target[i] = w83791d_read(client, 1588 W83791D_REG_TEMP_TARGET[i]) & 0x7f; 1589 } 1590 1591 /* Update PWM temperature tolerance */ 1592 for (i = 0; i < 2; i++) { 1593 reg_array_tmp[i] = w83791d_read(client, 1594 W83791D_REG_TEMP_TOL[i]); 1595 } 1596 data->temp_tolerance[0] = reg_array_tmp[0] & 0x0f; 1597 data->temp_tolerance[1] = (reg_array_tmp[0] >> 4) & 0x0f; 1598 data->temp_tolerance[2] = reg_array_tmp[1] & 0x0f; 1599 1600 /* Update the first temperature sensor */ 1601 for (i = 0; i < 3; i++) { 1602 data->temp1[i] = w83791d_read(client, 1603 W83791D_REG_TEMP1[i]); 1604 } 1605 1606 /* Update the rest of the temperature sensors */ 1607 for (i = 0; i < 2; i++) { 1608 for (j = 0; j < 3; j++) { 1609 data->temp_add[i][j] = 1610 (w83791d_read(client, 1611 W83791D_REG_TEMP_ADD[i][j * 2]) << 8) | 1612 w83791d_read(client, 1613 W83791D_REG_TEMP_ADD[i][j * 2 + 1]); 1614 } 1615 } 1616 1617 /* Update the realtime status */ 1618 data->alarms = 1619 w83791d_read(client, W83791D_REG_ALARM1) + 1620 (w83791d_read(client, W83791D_REG_ALARM2) << 8) + 1621 (w83791d_read(client, W83791D_REG_ALARM3) << 16); 1622 1623 /* Update the beep configuration information */ 1624 data->beep_mask = 1625 w83791d_read(client, W83791D_REG_BEEP_CTRL[0]) + 1626 (w83791d_read(client, W83791D_REG_BEEP_CTRL[1]) << 8) + 1627 (w83791d_read(client, W83791D_REG_BEEP_CTRL[2]) << 16); 1628 1629 /* Extract global beep enable flag */ 1630 data->beep_enable = 1631 (data->beep_mask >> GLOBAL_BEEP_ENABLE_SHIFT) & 0x01; 1632 1633 /* Update the cpu voltage information */ 1634 i = w83791d_read(client, W83791D_REG_VID_FANDIV); 1635 data->vid = i & 0x0f; 1636 data->vid |= (w83791d_read(client, W83791D_REG_DID_VID4) & 0x01) 1637 << 4; 1638 1639 data->last_updated = jiffies; 1640 data->valid = 1; 1641 } 1642 1643 mutex_unlock(&data->update_lock); 1644 1645 #ifdef DEBUG 1646 w83791d_print_debug(data, dev); 1647 #endif 1648 1649 return data; 1650 } 1651 1652 #ifdef DEBUG 1653 static void w83791d_print_debug(struct w83791d_data *data, struct device *dev) 1654 { 1655 int i = 0, j = 0; 1656 1657 dev_dbg(dev, "======Start of w83791d debug values======\n"); 1658 dev_dbg(dev, "%d set of Voltages: ===>\n", NUMBER_OF_VIN); 1659 for (i = 0; i < NUMBER_OF_VIN; i++) { 1660 dev_dbg(dev, "vin[%d] is: 0x%02x\n", i, data->in[i]); 1661 dev_dbg(dev, "vin[%d] min is: 0x%02x\n", i, data->in_min[i]); 1662 dev_dbg(dev, "vin[%d] max is: 0x%02x\n", i, data->in_max[i]); 1663 } 1664 dev_dbg(dev, "%d set of Fan Counts/Divisors: ===>\n", NUMBER_OF_FANIN); 1665 for (i = 0; i < NUMBER_OF_FANIN; i++) { 1666 dev_dbg(dev, "fan[%d] is: 0x%02x\n", i, data->fan[i]); 1667 dev_dbg(dev, "fan[%d] min is: 0x%02x\n", i, data->fan_min[i]); 1668 dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]); 1669 } 1670 1671 /* 1672 * temperature math is signed, but only print out the 1673 * bits that matter 1674 */ 1675 dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN); 1676 for (i = 0; i < 3; i++) 1677 dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]); 1678 for (i = 0; i < 2; i++) { 1679 for (j = 0; j < 3; j++) { 1680 dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j, 1681 (u16) data->temp_add[i][j]); 1682 } 1683 } 1684 1685 dev_dbg(dev, "Misc Information: ===>\n"); 1686 dev_dbg(dev, "alarm is: 0x%08x\n", data->alarms); 1687 dev_dbg(dev, "beep_mask is: 0x%08x\n", data->beep_mask); 1688 dev_dbg(dev, "beep_enable is: %d\n", data->beep_enable); 1689 dev_dbg(dev, "vid is: 0x%02x\n", data->vid); 1690 dev_dbg(dev, "vrm is: 0x%02x\n", data->vrm); 1691 dev_dbg(dev, "=======End of w83791d debug values========\n"); 1692 dev_dbg(dev, "\n"); 1693 } 1694 #endif 1695 1696 module_i2c_driver(w83791d_driver); 1697 1698 MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>"); 1699 MODULE_DESCRIPTION("W83791D driver"); 1700 MODULE_LICENSE("GPL"); 1701