1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * w83791d.c - Part of lm_sensors, Linux kernel modules for hardware 4 * monitoring 5 * 6 * Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com> 7 */ 8 9 /* 10 * Supports following chips: 11 * 12 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 13 * w83791d 10 5 5 3 0x71 0x5ca3 yes no 14 * 15 * The w83791d chip appears to be part way between the 83781d and the 16 * 83792d. Thus, this file is derived from both the w83792d.c and 17 * w83781d.c files. 18 * 19 * The w83791g chip is the same as the w83791d but lead-free. 20 */ 21 22 #include <linux/module.h> 23 #include <linux/init.h> 24 #include <linux/slab.h> 25 #include <linux/i2c.h> 26 #include <linux/hwmon.h> 27 #include <linux/hwmon-vid.h> 28 #include <linux/hwmon-sysfs.h> 29 #include <linux/err.h> 30 #include <linux/mutex.h> 31 #include <linux/jiffies.h> 32 33 #define NUMBER_OF_VIN 10 34 #define NUMBER_OF_FANIN 5 35 #define NUMBER_OF_TEMPIN 3 36 #define NUMBER_OF_PWM 5 37 38 /* Addresses to scan */ 39 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, 40 I2C_CLIENT_END }; 41 42 /* Insmod parameters */ 43 44 static unsigned short force_subclients[4]; 45 module_param_array(force_subclients, short, NULL, 0); 46 MODULE_PARM_DESC(force_subclients, 47 "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}"); 48 49 static bool reset; 50 module_param(reset, bool, 0); 51 MODULE_PARM_DESC(reset, "Set to one to force a hardware chip reset"); 52 53 static bool init; 54 module_param(init, bool, 0); 55 MODULE_PARM_DESC(init, "Set to one to force extra software initialization"); 56 57 /* The W83791D registers */ 58 static const u8 W83791D_REG_IN[NUMBER_OF_VIN] = { 59 0x20, /* VCOREA in DataSheet */ 60 0x21, /* VINR0 in DataSheet */ 61 0x22, /* +3.3VIN in DataSheet */ 62 0x23, /* VDD5V in DataSheet */ 63 0x24, /* +12VIN in DataSheet */ 64 0x25, /* -12VIN in DataSheet */ 65 0x26, /* -5VIN in DataSheet */ 66 0xB0, /* 5VSB in DataSheet */ 67 0xB1, /* VBAT in DataSheet */ 68 0xB2 /* VINR1 in DataSheet */ 69 }; 70 71 static const u8 W83791D_REG_IN_MAX[NUMBER_OF_VIN] = { 72 0x2B, /* VCOREA High Limit in DataSheet */ 73 0x2D, /* VINR0 High Limit in DataSheet */ 74 0x2F, /* +3.3VIN High Limit in DataSheet */ 75 0x31, /* VDD5V High Limit in DataSheet */ 76 0x33, /* +12VIN High Limit in DataSheet */ 77 0x35, /* -12VIN High Limit in DataSheet */ 78 0x37, /* -5VIN High Limit in DataSheet */ 79 0xB4, /* 5VSB High Limit in DataSheet */ 80 0xB6, /* VBAT High Limit in DataSheet */ 81 0xB8 /* VINR1 High Limit in DataSheet */ 82 }; 83 static const u8 W83791D_REG_IN_MIN[NUMBER_OF_VIN] = { 84 0x2C, /* VCOREA Low Limit in DataSheet */ 85 0x2E, /* VINR0 Low Limit in DataSheet */ 86 0x30, /* +3.3VIN Low Limit in DataSheet */ 87 0x32, /* VDD5V Low Limit in DataSheet */ 88 0x34, /* +12VIN Low Limit in DataSheet */ 89 0x36, /* -12VIN Low Limit in DataSheet */ 90 0x38, /* -5VIN Low Limit in DataSheet */ 91 0xB5, /* 5VSB Low Limit in DataSheet */ 92 0xB7, /* VBAT Low Limit in DataSheet */ 93 0xB9 /* VINR1 Low Limit in DataSheet */ 94 }; 95 static const u8 W83791D_REG_FAN[NUMBER_OF_FANIN] = { 96 0x28, /* FAN 1 Count in DataSheet */ 97 0x29, /* FAN 2 Count in DataSheet */ 98 0x2A, /* FAN 3 Count in DataSheet */ 99 0xBA, /* FAN 4 Count in DataSheet */ 100 0xBB, /* FAN 5 Count in DataSheet */ 101 }; 102 static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = { 103 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 104 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 105 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 106 0xBC, /* FAN 4 Count Low Limit in DataSheet */ 107 0xBD, /* FAN 5 Count Low Limit in DataSheet */ 108 }; 109 110 static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = { 111 0x81, /* PWM 1 duty cycle register in DataSheet */ 112 0x83, /* PWM 2 duty cycle register in DataSheet */ 113 0x94, /* PWM 3 duty cycle register in DataSheet */ 114 0xA0, /* PWM 4 duty cycle register in DataSheet */ 115 0xA1, /* PWM 5 duty cycle register in DataSheet */ 116 }; 117 118 static const u8 W83791D_REG_TEMP_TARGET[3] = { 119 0x85, /* PWM 1 target temperature for temp 1 */ 120 0x86, /* PWM 2 target temperature for temp 2 */ 121 0x96, /* PWM 3 target temperature for temp 3 */ 122 }; 123 124 static const u8 W83791D_REG_TEMP_TOL[2] = { 125 0x87, /* PWM 1/2 temperature tolerance */ 126 0x97, /* PWM 3 temperature tolerance */ 127 }; 128 129 static const u8 W83791D_REG_FAN_CFG[2] = { 130 0x84, /* FAN 1/2 configuration */ 131 0x95, /* FAN 3 configuration */ 132 }; 133 134 static const u8 W83791D_REG_FAN_DIV[3] = { 135 0x47, /* contains FAN1 and FAN2 Divisor */ 136 0x4b, /* contains FAN3 Divisor */ 137 0x5C, /* contains FAN4 and FAN5 Divisor */ 138 }; 139 140 #define W83791D_REG_BANK 0x4E 141 #define W83791D_REG_TEMP2_CONFIG 0xC2 142 #define W83791D_REG_TEMP3_CONFIG 0xCA 143 144 static const u8 W83791D_REG_TEMP1[3] = { 145 0x27, /* TEMP 1 in DataSheet */ 146 0x39, /* TEMP 1 Over in DataSheet */ 147 0x3A, /* TEMP 1 Hyst in DataSheet */ 148 }; 149 150 static const u8 W83791D_REG_TEMP_ADD[2][6] = { 151 {0xC0, /* TEMP 2 in DataSheet */ 152 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 153 0xC5, /* TEMP 2 Over High part in DataSheet */ 154 0xC6, /* TEMP 2 Over Low part in DataSheet */ 155 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 156 0xC4}, /* TEMP 2 Thyst Low part in DataSheet */ 157 {0xC8, /* TEMP 3 in DataSheet */ 158 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 159 0xCD, /* TEMP 3 Over High part in DataSheet */ 160 0xCE, /* TEMP 3 Over Low part in DataSheet */ 161 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 162 0xCC} /* TEMP 3 Thyst Low part in DataSheet */ 163 }; 164 165 #define W83791D_REG_BEEP_CONFIG 0x4D 166 167 static const u8 W83791D_REG_BEEP_CTRL[3] = { 168 0x56, /* BEEP Control Register 1 */ 169 0x57, /* BEEP Control Register 2 */ 170 0xA3, /* BEEP Control Register 3 */ 171 }; 172 173 #define W83791D_REG_GPIO 0x15 174 #define W83791D_REG_CONFIG 0x40 175 #define W83791D_REG_VID_FANDIV 0x47 176 #define W83791D_REG_DID_VID4 0x49 177 #define W83791D_REG_WCHIPID 0x58 178 #define W83791D_REG_CHIPMAN 0x4F 179 #define W83791D_REG_PIN 0x4B 180 #define W83791D_REG_I2C_SUBADDR 0x4A 181 182 #define W83791D_REG_ALARM1 0xA9 /* realtime status register1 */ 183 #define W83791D_REG_ALARM2 0xAA /* realtime status register2 */ 184 #define W83791D_REG_ALARM3 0xAB /* realtime status register3 */ 185 186 #define W83791D_REG_VBAT 0x5D 187 #define W83791D_REG_I2C_ADDR 0x48 188 189 /* 190 * The SMBus locks itself. The Winbond W83791D has a bank select register 191 * (index 0x4e), but the driver only accesses registers in bank 0. Since 192 * we don't switch banks, we don't need any special code to handle 193 * locking access between bank switches 194 */ 195 static inline int w83791d_read(struct i2c_client *client, u8 reg) 196 { 197 return i2c_smbus_read_byte_data(client, reg); 198 } 199 200 static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value) 201 { 202 return i2c_smbus_write_byte_data(client, reg, value); 203 } 204 205 /* 206 * The analog voltage inputs have 16mV LSB. Since the sysfs output is 207 * in mV as would be measured on the chip input pin, need to just 208 * multiply/divide by 16 to translate from/to register values. 209 */ 210 #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) 211 #define IN_FROM_REG(val) ((val) * 16) 212 213 static u8 fan_to_reg(long rpm, int div) 214 { 215 if (rpm == 0) 216 return 255; 217 rpm = clamp_val(rpm, 1, 1000000); 218 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 219 } 220 221 #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ 222 ((val) == 255 ? 0 : \ 223 1350000 / ((val) * (div)))) 224 225 /* for temp1 which is 8-bit resolution, LSB = 1 degree Celsius */ 226 #define TEMP1_FROM_REG(val) ((val) * 1000) 227 #define TEMP1_TO_REG(val) ((val) <= -128000 ? -128 : \ 228 (val) >= 127000 ? 127 : \ 229 (val) < 0 ? ((val) - 500) / 1000 : \ 230 ((val) + 500) / 1000) 231 232 /* 233 * for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius 234 * Assumes the top 8 bits are the integral amount and the bottom 8 bits 235 * are the fractional amount. Since we only have 0.5 degree resolution, 236 * the bottom 7 bits will always be zero 237 */ 238 #define TEMP23_FROM_REG(val) ((val) / 128 * 500) 239 #define TEMP23_TO_REG(val) (DIV_ROUND_CLOSEST(clamp_val((val), -128000, \ 240 127500), 500) * 128) 241 242 /* for thermal cruise target temp, 7-bits, LSB = 1 degree Celsius */ 243 #define TARGET_TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, 127000), \ 244 1000) 245 246 /* for thermal cruise temp tolerance, 4-bits, LSB = 1 degree Celsius */ 247 #define TOL_TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, 15000), \ 248 1000) 249 250 #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) 251 #define BEEP_MASK_FROM_REG(val) ((val) & 0xffffff) 252 253 #define DIV_FROM_REG(val) (1 << (val)) 254 255 static u8 div_to_reg(int nr, long val) 256 { 257 int i; 258 259 /* fan divisors max out at 128 */ 260 val = clamp_val(val, 1, 128) >> 1; 261 for (i = 0; i < 7; i++) { 262 if (val == 0) 263 break; 264 val >>= 1; 265 } 266 return (u8) i; 267 } 268 269 struct w83791d_data { 270 struct device *hwmon_dev; 271 struct mutex update_lock; 272 273 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 /* volts */ 280 u8 in[NUMBER_OF_VIN]; /* Register value */ 281 u8 in_max[NUMBER_OF_VIN]; /* Register value */ 282 u8 in_min[NUMBER_OF_VIN]; /* Register value */ 283 284 /* fans */ 285 u8 fan[NUMBER_OF_FANIN]; /* Register value */ 286 u8 fan_min[NUMBER_OF_FANIN]; /* Register value */ 287 u8 fan_div[NUMBER_OF_FANIN]; /* Register encoding, shifted right */ 288 289 /* Temperature sensors */ 290 291 s8 temp1[3]; /* current, over, thyst */ 292 s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the 293 * integral part, bottom 8 bits are the 294 * fractional part. We only use the top 295 * 9 bits as the resolution is only 296 * to the 0.5 degree C... 297 * two sensors with three values 298 * (cur, over, hyst) 299 */ 300 301 /* PWMs */ 302 u8 pwm[5]; /* pwm duty cycle */ 303 u8 pwm_enable[3]; /* pwm enable status for fan 1-3 304 * (fan 4-5 only support manual mode) 305 */ 306 307 u8 temp_target[3]; /* pwm 1-3 target temperature */ 308 u8 temp_tolerance[3]; /* pwm 1-3 temperature tolerance */ 309 310 /* Misc */ 311 u32 alarms; /* realtime status register encoding,combined */ 312 u8 beep_enable; /* Global beep enable */ 313 u32 beep_mask; /* Mask off specific beeps */ 314 u8 vid; /* Register encoding, combined */ 315 u8 vrm; /* hwmon-vid */ 316 }; 317 318 static int w83791d_probe(struct i2c_client *client); 319 static int w83791d_detect(struct i2c_client *client, 320 struct i2c_board_info *info); 321 static int w83791d_remove(struct i2c_client *client); 322 323 static int w83791d_read(struct i2c_client *client, u8 reg); 324 static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); 325 static struct w83791d_data *w83791d_update_device(struct device *dev); 326 327 #ifdef DEBUG 328 static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); 329 #endif 330 331 static void w83791d_init_client(struct i2c_client *client); 332 333 static const struct i2c_device_id w83791d_id[] = { 334 { "w83791d", 0 }, 335 { } 336 }; 337 MODULE_DEVICE_TABLE(i2c, w83791d_id); 338 339 static struct i2c_driver w83791d_driver = { 340 .class = I2C_CLASS_HWMON, 341 .driver = { 342 .name = "w83791d", 343 }, 344 .probe_new = w83791d_probe, 345 .remove = w83791d_remove, 346 .id_table = w83791d_id, 347 .detect = w83791d_detect, 348 .address_list = normal_i2c, 349 }; 350 351 /* following are the sysfs callback functions */ 352 #define show_in_reg(reg) \ 353 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 354 char *buf) \ 355 { \ 356 struct sensor_device_attribute *sensor_attr = \ 357 to_sensor_dev_attr(attr); \ 358 struct w83791d_data *data = w83791d_update_device(dev); \ 359 int nr = sensor_attr->index; \ 360 return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \ 361 } 362 363 show_in_reg(in); 364 show_in_reg(in_min); 365 show_in_reg(in_max); 366 367 #define store_in_reg(REG, reg) \ 368 static ssize_t store_in_##reg(struct device *dev, \ 369 struct device_attribute *attr, \ 370 const char *buf, size_t count) \ 371 { \ 372 struct sensor_device_attribute *sensor_attr = \ 373 to_sensor_dev_attr(attr); \ 374 struct i2c_client *client = to_i2c_client(dev); \ 375 struct w83791d_data *data = i2c_get_clientdata(client); \ 376 int nr = sensor_attr->index; \ 377 unsigned long val; \ 378 int err = kstrtoul(buf, 10, &val); \ 379 if (err) \ 380 return err; \ 381 mutex_lock(&data->update_lock); \ 382 data->in_##reg[nr] = IN_TO_REG(val); \ 383 w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 384 mutex_unlock(&data->update_lock); \ 385 \ 386 return count; \ 387 } 388 store_in_reg(MIN, min); 389 store_in_reg(MAX, max); 390 391 static struct sensor_device_attribute sda_in_input[] = { 392 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 393 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 394 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 395 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 396 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 397 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 398 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 399 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 400 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 401 SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), 402 }; 403 404 static struct sensor_device_attribute sda_in_min[] = { 405 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 406 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 407 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 408 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 409 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 410 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 411 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 412 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 413 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 414 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), 415 }; 416 417 static struct sensor_device_attribute sda_in_max[] = { 418 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 419 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 420 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 421 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 422 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 423 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 424 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 425 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 426 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 427 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), 428 }; 429 430 431 static ssize_t show_beep(struct device *dev, struct device_attribute *attr, 432 char *buf) 433 { 434 struct sensor_device_attribute *sensor_attr = 435 to_sensor_dev_attr(attr); 436 struct w83791d_data *data = w83791d_update_device(dev); 437 int bitnr = sensor_attr->index; 438 439 return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); 440 } 441 442 static ssize_t store_beep(struct device *dev, struct device_attribute *attr, 443 const char *buf, size_t count) 444 { 445 struct sensor_device_attribute *sensor_attr = 446 to_sensor_dev_attr(attr); 447 struct i2c_client *client = to_i2c_client(dev); 448 struct w83791d_data *data = i2c_get_clientdata(client); 449 int bitnr = sensor_attr->index; 450 int bytenr = bitnr / 8; 451 unsigned long val; 452 int err; 453 454 err = kstrtoul(buf, 10, &val); 455 if (err) 456 return err; 457 458 val = val ? 1 : 0; 459 460 mutex_lock(&data->update_lock); 461 462 data->beep_mask &= ~(0xff << (bytenr * 8)); 463 data->beep_mask |= w83791d_read(client, W83791D_REG_BEEP_CTRL[bytenr]) 464 << (bytenr * 8); 465 466 data->beep_mask &= ~(1 << bitnr); 467 data->beep_mask |= val << bitnr; 468 469 w83791d_write(client, W83791D_REG_BEEP_CTRL[bytenr], 470 (data->beep_mask >> (bytenr * 8)) & 0xff); 471 472 mutex_unlock(&data->update_lock); 473 474 return count; 475 } 476 477 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 478 char *buf) 479 { 480 struct sensor_device_attribute *sensor_attr = 481 to_sensor_dev_attr(attr); 482 struct w83791d_data *data = w83791d_update_device(dev); 483 int bitnr = sensor_attr->index; 484 485 return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); 486 } 487 488 /* 489 * Note: The bitmask for the beep enable/disable is different than 490 * the bitmask for the alarm. 491 */ 492 static struct sensor_device_attribute sda_in_beep[] = { 493 SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0), 494 SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13), 495 SENSOR_ATTR(in2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 2), 496 SENSOR_ATTR(in3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 3), 497 SENSOR_ATTR(in4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 8), 498 SENSOR_ATTR(in5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 9), 499 SENSOR_ATTR(in6_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 10), 500 SENSOR_ATTR(in7_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 16), 501 SENSOR_ATTR(in8_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 17), 502 SENSOR_ATTR(in9_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 14), 503 }; 504 505 static struct sensor_device_attribute sda_in_alarm[] = { 506 SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), 507 SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), 508 SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), 509 SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), 510 SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), 511 SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9), 512 SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10), 513 SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19), 514 SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20), 515 SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 14), 516 }; 517 518 #define show_fan_reg(reg) \ 519 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 520 char *buf) \ 521 { \ 522 struct sensor_device_attribute *sensor_attr = \ 523 to_sensor_dev_attr(attr); \ 524 struct w83791d_data *data = w83791d_update_device(dev); \ 525 int nr = sensor_attr->index; \ 526 return sprintf(buf, "%d\n", \ 527 FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 528 } 529 530 show_fan_reg(fan); 531 show_fan_reg(fan_min); 532 533 static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, 534 const char *buf, size_t count) 535 { 536 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 537 struct i2c_client *client = to_i2c_client(dev); 538 struct w83791d_data *data = i2c_get_clientdata(client); 539 int nr = sensor_attr->index; 540 unsigned long val; 541 int err; 542 543 err = kstrtoul(buf, 10, &val); 544 if (err) 545 return err; 546 547 mutex_lock(&data->update_lock); 548 data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr])); 549 w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); 550 mutex_unlock(&data->update_lock); 551 552 return count; 553 } 554 555 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, 556 char *buf) 557 { 558 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 559 int nr = sensor_attr->index; 560 struct w83791d_data *data = w83791d_update_device(dev); 561 return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr])); 562 } 563 564 /* 565 * Note: we save and restore the fan minimum here, because its value is 566 * determined in part by the fan divisor. This follows the principle of 567 * least surprise; the user doesn't expect the fan minimum to change just 568 * because the divisor changed. 569 */ 570 static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr, 571 const char *buf, size_t count) 572 { 573 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 574 struct i2c_client *client = to_i2c_client(dev); 575 struct w83791d_data *data = i2c_get_clientdata(client); 576 int nr = sensor_attr->index; 577 unsigned long min; 578 u8 tmp_fan_div; 579 u8 fan_div_reg; 580 u8 vbat_reg; 581 int indx = 0; 582 u8 keep_mask = 0; 583 u8 new_shift = 0; 584 unsigned long val; 585 int err; 586 587 err = kstrtoul(buf, 10, &val); 588 if (err) 589 return err; 590 591 /* Save fan_min */ 592 min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); 593 594 mutex_lock(&data->update_lock); 595 data->fan_div[nr] = div_to_reg(nr, val); 596 597 switch (nr) { 598 case 0: 599 indx = 0; 600 keep_mask = 0xcf; 601 new_shift = 4; 602 break; 603 case 1: 604 indx = 0; 605 keep_mask = 0x3f; 606 new_shift = 6; 607 break; 608 case 2: 609 indx = 1; 610 keep_mask = 0x3f; 611 new_shift = 6; 612 break; 613 case 3: 614 indx = 2; 615 keep_mask = 0xf8; 616 new_shift = 0; 617 break; 618 case 4: 619 indx = 2; 620 keep_mask = 0x8f; 621 new_shift = 4; 622 break; 623 #ifdef DEBUG 624 default: 625 dev_warn(dev, "store_fan_div: Unexpected nr seen: %d\n", nr); 626 count = -EINVAL; 627 goto err_exit; 628 #endif 629 } 630 631 fan_div_reg = w83791d_read(client, W83791D_REG_FAN_DIV[indx]) 632 & keep_mask; 633 tmp_fan_div = (data->fan_div[nr] << new_shift) & ~keep_mask; 634 635 w83791d_write(client, W83791D_REG_FAN_DIV[indx], 636 fan_div_reg | tmp_fan_div); 637 638 /* Bit 2 of fans 0-2 is stored in the vbat register (bits 5-7) */ 639 if (nr < 3) { 640 keep_mask = ~(1 << (nr + 5)); 641 vbat_reg = w83791d_read(client, W83791D_REG_VBAT) 642 & keep_mask; 643 tmp_fan_div = (data->fan_div[nr] << (3 + nr)) & ~keep_mask; 644 w83791d_write(client, W83791D_REG_VBAT, 645 vbat_reg | tmp_fan_div); 646 } 647 648 /* Restore fan_min */ 649 data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr])); 650 w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); 651 652 #ifdef DEBUG 653 err_exit: 654 #endif 655 mutex_unlock(&data->update_lock); 656 657 return count; 658 } 659 660 static struct sensor_device_attribute sda_fan_input[] = { 661 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), 662 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), 663 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), 664 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), 665 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), 666 }; 667 668 static struct sensor_device_attribute sda_fan_min[] = { 669 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, 670 show_fan_min, store_fan_min, 0), 671 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, 672 show_fan_min, store_fan_min, 1), 673 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, 674 show_fan_min, store_fan_min, 2), 675 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, 676 show_fan_min, store_fan_min, 3), 677 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, 678 show_fan_min, store_fan_min, 4), 679 }; 680 681 static struct sensor_device_attribute sda_fan_div[] = { 682 SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, 683 show_fan_div, store_fan_div, 0), 684 SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, 685 show_fan_div, store_fan_div, 1), 686 SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, 687 show_fan_div, store_fan_div, 2), 688 SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, 689 show_fan_div, store_fan_div, 3), 690 SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, 691 show_fan_div, store_fan_div, 4), 692 }; 693 694 static struct sensor_device_attribute sda_fan_beep[] = { 695 SENSOR_ATTR(fan1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 6), 696 SENSOR_ATTR(fan2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 7), 697 SENSOR_ATTR(fan3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 11), 698 SENSOR_ATTR(fan4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 21), 699 SENSOR_ATTR(fan5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 22), 700 }; 701 702 static struct sensor_device_attribute sda_fan_alarm[] = { 703 SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), 704 SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), 705 SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), 706 SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21), 707 SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22), 708 }; 709 710 /* read/write PWMs */ 711 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, 712 char *buf) 713 { 714 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 715 int nr = sensor_attr->index; 716 struct w83791d_data *data = w83791d_update_device(dev); 717 return sprintf(buf, "%u\n", data->pwm[nr]); 718 } 719 720 static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, 721 const char *buf, size_t count) 722 { 723 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 724 struct i2c_client *client = to_i2c_client(dev); 725 struct w83791d_data *data = i2c_get_clientdata(client); 726 int nr = sensor_attr->index; 727 unsigned long val; 728 729 if (kstrtoul(buf, 10, &val)) 730 return -EINVAL; 731 732 mutex_lock(&data->update_lock); 733 data->pwm[nr] = clamp_val(val, 0, 255); 734 w83791d_write(client, W83791D_REG_PWM[nr], data->pwm[nr]); 735 mutex_unlock(&data->update_lock); 736 return count; 737 } 738 739 static struct sensor_device_attribute sda_pwm[] = { 740 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, 741 show_pwm, store_pwm, 0), 742 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, 743 show_pwm, store_pwm, 1), 744 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, 745 show_pwm, store_pwm, 2), 746 SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, 747 show_pwm, store_pwm, 3), 748 SENSOR_ATTR(pwm5, S_IWUSR | S_IRUGO, 749 show_pwm, store_pwm, 4), 750 }; 751 752 static ssize_t show_pwmenable(struct device *dev, struct device_attribute *attr, 753 char *buf) 754 { 755 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 756 int nr = sensor_attr->index; 757 struct w83791d_data *data = w83791d_update_device(dev); 758 return sprintf(buf, "%u\n", data->pwm_enable[nr] + 1); 759 } 760 761 static ssize_t store_pwmenable(struct device *dev, 762 struct device_attribute *attr, const char *buf, size_t count) 763 { 764 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 765 struct i2c_client *client = to_i2c_client(dev); 766 struct w83791d_data *data = i2c_get_clientdata(client); 767 int nr = sensor_attr->index; 768 unsigned long val; 769 u8 reg_cfg_tmp; 770 u8 reg_idx = 0; 771 u8 val_shift = 0; 772 u8 keep_mask = 0; 773 774 int ret = kstrtoul(buf, 10, &val); 775 776 if (ret || val < 1 || val > 3) 777 return -EINVAL; 778 779 mutex_lock(&data->update_lock); 780 data->pwm_enable[nr] = val - 1; 781 switch (nr) { 782 case 0: 783 reg_idx = 0; 784 val_shift = 2; 785 keep_mask = 0xf3; 786 break; 787 case 1: 788 reg_idx = 0; 789 val_shift = 4; 790 keep_mask = 0xcf; 791 break; 792 case 2: 793 reg_idx = 1; 794 val_shift = 2; 795 keep_mask = 0xf3; 796 break; 797 } 798 799 reg_cfg_tmp = w83791d_read(client, W83791D_REG_FAN_CFG[reg_idx]); 800 reg_cfg_tmp = (reg_cfg_tmp & keep_mask) | 801 data->pwm_enable[nr] << val_shift; 802 803 w83791d_write(client, W83791D_REG_FAN_CFG[reg_idx], reg_cfg_tmp); 804 mutex_unlock(&data->update_lock); 805 806 return count; 807 } 808 static struct sensor_device_attribute sda_pwmenable[] = { 809 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 810 show_pwmenable, store_pwmenable, 0), 811 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 812 show_pwmenable, store_pwmenable, 1), 813 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 814 show_pwmenable, store_pwmenable, 2), 815 }; 816 817 /* For Smart Fan I / Thermal Cruise */ 818 static ssize_t show_temp_target(struct device *dev, 819 struct device_attribute *attr, char *buf) 820 { 821 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 822 struct w83791d_data *data = w83791d_update_device(dev); 823 int nr = sensor_attr->index; 824 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_target[nr])); 825 } 826 827 static ssize_t store_temp_target(struct device *dev, 828 struct device_attribute *attr, const char *buf, size_t count) 829 { 830 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 831 struct i2c_client *client = to_i2c_client(dev); 832 struct w83791d_data *data = i2c_get_clientdata(client); 833 int nr = sensor_attr->index; 834 long val; 835 u8 target_mask; 836 837 if (kstrtol(buf, 10, &val)) 838 return -EINVAL; 839 840 mutex_lock(&data->update_lock); 841 data->temp_target[nr] = TARGET_TEMP_TO_REG(val); 842 target_mask = w83791d_read(client, 843 W83791D_REG_TEMP_TARGET[nr]) & 0x80; 844 w83791d_write(client, W83791D_REG_TEMP_TARGET[nr], 845 data->temp_target[nr] | target_mask); 846 mutex_unlock(&data->update_lock); 847 return count; 848 } 849 850 static struct sensor_device_attribute sda_temp_target[] = { 851 SENSOR_ATTR(temp1_target, S_IWUSR | S_IRUGO, 852 show_temp_target, store_temp_target, 0), 853 SENSOR_ATTR(temp2_target, S_IWUSR | S_IRUGO, 854 show_temp_target, store_temp_target, 1), 855 SENSOR_ATTR(temp3_target, S_IWUSR | S_IRUGO, 856 show_temp_target, store_temp_target, 2), 857 }; 858 859 static ssize_t show_temp_tolerance(struct device *dev, 860 struct device_attribute *attr, char *buf) 861 { 862 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 863 struct w83791d_data *data = w83791d_update_device(dev); 864 int nr = sensor_attr->index; 865 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_tolerance[nr])); 866 } 867 868 static ssize_t store_temp_tolerance(struct device *dev, 869 struct device_attribute *attr, const char *buf, size_t count) 870 { 871 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 872 struct i2c_client *client = to_i2c_client(dev); 873 struct w83791d_data *data = i2c_get_clientdata(client); 874 int nr = sensor_attr->index; 875 unsigned long val; 876 u8 target_mask; 877 u8 reg_idx = 0; 878 u8 val_shift = 0; 879 u8 keep_mask = 0; 880 881 if (kstrtoul(buf, 10, &val)) 882 return -EINVAL; 883 884 switch (nr) { 885 case 0: 886 reg_idx = 0; 887 val_shift = 0; 888 keep_mask = 0xf0; 889 break; 890 case 1: 891 reg_idx = 0; 892 val_shift = 4; 893 keep_mask = 0x0f; 894 break; 895 case 2: 896 reg_idx = 1; 897 val_shift = 0; 898 keep_mask = 0xf0; 899 break; 900 } 901 902 mutex_lock(&data->update_lock); 903 data->temp_tolerance[nr] = TOL_TEMP_TO_REG(val); 904 target_mask = w83791d_read(client, 905 W83791D_REG_TEMP_TOL[reg_idx]) & keep_mask; 906 w83791d_write(client, W83791D_REG_TEMP_TOL[reg_idx], 907 (data->temp_tolerance[nr] << val_shift) | target_mask); 908 mutex_unlock(&data->update_lock); 909 return count; 910 } 911 912 static struct sensor_device_attribute sda_temp_tolerance[] = { 913 SENSOR_ATTR(temp1_tolerance, S_IWUSR | S_IRUGO, 914 show_temp_tolerance, store_temp_tolerance, 0), 915 SENSOR_ATTR(temp2_tolerance, S_IWUSR | S_IRUGO, 916 show_temp_tolerance, store_temp_tolerance, 1), 917 SENSOR_ATTR(temp3_tolerance, S_IWUSR | S_IRUGO, 918 show_temp_tolerance, store_temp_tolerance, 2), 919 }; 920 921 /* read/write the temperature1, includes measured value and limits */ 922 static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr, 923 char *buf) 924 { 925 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 926 struct w83791d_data *data = w83791d_update_device(dev); 927 return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[attr->index])); 928 } 929 930 static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr, 931 const char *buf, size_t count) 932 { 933 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 934 struct i2c_client *client = to_i2c_client(dev); 935 struct w83791d_data *data = i2c_get_clientdata(client); 936 int nr = attr->index; 937 long val; 938 int err; 939 940 err = kstrtol(buf, 10, &val); 941 if (err) 942 return err; 943 944 mutex_lock(&data->update_lock); 945 data->temp1[nr] = TEMP1_TO_REG(val); 946 w83791d_write(client, W83791D_REG_TEMP1[nr], data->temp1[nr]); 947 mutex_unlock(&data->update_lock); 948 return count; 949 } 950 951 /* read/write temperature2-3, includes measured value and limits */ 952 static ssize_t show_temp23(struct device *dev, struct device_attribute *devattr, 953 char *buf) 954 { 955 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); 956 struct w83791d_data *data = w83791d_update_device(dev); 957 int nr = attr->nr; 958 int index = attr->index; 959 return sprintf(buf, "%d\n", TEMP23_FROM_REG(data->temp_add[nr][index])); 960 } 961 962 static ssize_t store_temp23(struct device *dev, 963 struct device_attribute *devattr, 964 const char *buf, size_t count) 965 { 966 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); 967 struct i2c_client *client = to_i2c_client(dev); 968 struct w83791d_data *data = i2c_get_clientdata(client); 969 long val; 970 int err; 971 int nr = attr->nr; 972 int index = attr->index; 973 974 err = kstrtol(buf, 10, &val); 975 if (err) 976 return err; 977 978 mutex_lock(&data->update_lock); 979 data->temp_add[nr][index] = TEMP23_TO_REG(val); 980 w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2], 981 data->temp_add[nr][index] >> 8); 982 w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2 + 1], 983 data->temp_add[nr][index] & 0x80); 984 mutex_unlock(&data->update_lock); 985 986 return count; 987 } 988 989 static struct sensor_device_attribute_2 sda_temp_input[] = { 990 SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 991 SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 992 SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 993 }; 994 995 static struct sensor_device_attribute_2 sda_temp_max[] = { 996 SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, 997 show_temp1, store_temp1, 0, 1), 998 SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, 999 show_temp23, store_temp23, 0, 1), 1000 SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, 1001 show_temp23, store_temp23, 1, 1), 1002 }; 1003 1004 static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 1005 SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, 1006 show_temp1, store_temp1, 0, 2), 1007 SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, 1008 show_temp23, store_temp23, 0, 2), 1009 SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, 1010 show_temp23, store_temp23, 1, 2), 1011 }; 1012 1013 /* 1014 * Note: The bitmask for the beep enable/disable is different than 1015 * the bitmask for the alarm. 1016 */ 1017 static struct sensor_device_attribute sda_temp_beep[] = { 1018 SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4), 1019 SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5), 1020 SENSOR_ATTR(temp3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 1), 1021 }; 1022 1023 static struct sensor_device_attribute sda_temp_alarm[] = { 1024 SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), 1025 SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), 1026 SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), 1027 }; 1028 1029 /* get realtime status of all sensors items: voltage, temp, fan */ 1030 static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, 1031 char *buf) 1032 { 1033 struct w83791d_data *data = w83791d_update_device(dev); 1034 return sprintf(buf, "%u\n", data->alarms); 1035 } 1036 1037 static DEVICE_ATTR_RO(alarms); 1038 1039 /* Beep control */ 1040 1041 #define GLOBAL_BEEP_ENABLE_SHIFT 15 1042 #define GLOBAL_BEEP_ENABLE_MASK (1 << GLOBAL_BEEP_ENABLE_SHIFT) 1043 1044 static ssize_t show_beep_enable(struct device *dev, 1045 struct device_attribute *attr, char *buf) 1046 { 1047 struct w83791d_data *data = w83791d_update_device(dev); 1048 return sprintf(buf, "%d\n", data->beep_enable); 1049 } 1050 1051 static ssize_t show_beep_mask(struct device *dev, 1052 struct device_attribute *attr, char *buf) 1053 { 1054 struct w83791d_data *data = w83791d_update_device(dev); 1055 return sprintf(buf, "%d\n", BEEP_MASK_FROM_REG(data->beep_mask)); 1056 } 1057 1058 1059 static ssize_t store_beep_mask(struct device *dev, 1060 struct device_attribute *attr, 1061 const char *buf, size_t count) 1062 { 1063 struct i2c_client *client = to_i2c_client(dev); 1064 struct w83791d_data *data = i2c_get_clientdata(client); 1065 int i; 1066 long val; 1067 int err; 1068 1069 err = kstrtol(buf, 10, &val); 1070 if (err) 1071 return err; 1072 1073 mutex_lock(&data->update_lock); 1074 1075 /* 1076 * The beep_enable state overrides any enabling request from 1077 * the masks 1078 */ 1079 data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK; 1080 data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); 1081 1082 val = data->beep_mask; 1083 1084 for (i = 0; i < 3; i++) { 1085 w83791d_write(client, W83791D_REG_BEEP_CTRL[i], (val & 0xff)); 1086 val >>= 8; 1087 } 1088 1089 mutex_unlock(&data->update_lock); 1090 1091 return count; 1092 } 1093 1094 static ssize_t store_beep_enable(struct device *dev, 1095 struct device_attribute *attr, 1096 const char *buf, size_t count) 1097 { 1098 struct i2c_client *client = to_i2c_client(dev); 1099 struct w83791d_data *data = i2c_get_clientdata(client); 1100 long val; 1101 int err; 1102 1103 err = kstrtol(buf, 10, &val); 1104 if (err) 1105 return err; 1106 1107 mutex_lock(&data->update_lock); 1108 1109 data->beep_enable = val ? 1 : 0; 1110 1111 /* Keep the full mask value in sync with the current enable */ 1112 data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK; 1113 data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); 1114 1115 /* 1116 * The global control is in the second beep control register 1117 * so only need to update that register 1118 */ 1119 val = (data->beep_mask >> 8) & 0xff; 1120 1121 w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val); 1122 1123 mutex_unlock(&data->update_lock); 1124 1125 return count; 1126 } 1127 1128 static struct sensor_device_attribute sda_beep_ctrl[] = { 1129 SENSOR_ATTR(beep_enable, S_IRUGO | S_IWUSR, 1130 show_beep_enable, store_beep_enable, 0), 1131 SENSOR_ATTR(beep_mask, S_IRUGO | S_IWUSR, 1132 show_beep_mask, store_beep_mask, 1) 1133 }; 1134 1135 /* cpu voltage regulation information */ 1136 static ssize_t cpu0_vid_show(struct device *dev, 1137 struct device_attribute *attr, char *buf) 1138 { 1139 struct w83791d_data *data = w83791d_update_device(dev); 1140 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 1141 } 1142 1143 static DEVICE_ATTR_RO(cpu0_vid); 1144 1145 static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, 1146 char *buf) 1147 { 1148 struct w83791d_data *data = dev_get_drvdata(dev); 1149 return sprintf(buf, "%d\n", data->vrm); 1150 } 1151 1152 static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, 1153 const char *buf, size_t count) 1154 { 1155 struct w83791d_data *data = dev_get_drvdata(dev); 1156 unsigned long val; 1157 int err; 1158 1159 /* 1160 * No lock needed as vrm is internal to the driver 1161 * (not read from a chip register) and so is not 1162 * updated in w83791d_update_device() 1163 */ 1164 1165 err = kstrtoul(buf, 10, &val); 1166 if (err) 1167 return err; 1168 1169 if (val > 255) 1170 return -EINVAL; 1171 1172 data->vrm = val; 1173 return count; 1174 } 1175 1176 static DEVICE_ATTR_RW(vrm); 1177 1178 #define IN_UNIT_ATTRS(X) \ 1179 &sda_in_input[X].dev_attr.attr, \ 1180 &sda_in_min[X].dev_attr.attr, \ 1181 &sda_in_max[X].dev_attr.attr, \ 1182 &sda_in_beep[X].dev_attr.attr, \ 1183 &sda_in_alarm[X].dev_attr.attr 1184 1185 #define FAN_UNIT_ATTRS(X) \ 1186 &sda_fan_input[X].dev_attr.attr, \ 1187 &sda_fan_min[X].dev_attr.attr, \ 1188 &sda_fan_div[X].dev_attr.attr, \ 1189 &sda_fan_beep[X].dev_attr.attr, \ 1190 &sda_fan_alarm[X].dev_attr.attr 1191 1192 #define TEMP_UNIT_ATTRS(X) \ 1193 &sda_temp_input[X].dev_attr.attr, \ 1194 &sda_temp_max[X].dev_attr.attr, \ 1195 &sda_temp_max_hyst[X].dev_attr.attr, \ 1196 &sda_temp_beep[X].dev_attr.attr, \ 1197 &sda_temp_alarm[X].dev_attr.attr 1198 1199 static struct attribute *w83791d_attributes[] = { 1200 IN_UNIT_ATTRS(0), 1201 IN_UNIT_ATTRS(1), 1202 IN_UNIT_ATTRS(2), 1203 IN_UNIT_ATTRS(3), 1204 IN_UNIT_ATTRS(4), 1205 IN_UNIT_ATTRS(5), 1206 IN_UNIT_ATTRS(6), 1207 IN_UNIT_ATTRS(7), 1208 IN_UNIT_ATTRS(8), 1209 IN_UNIT_ATTRS(9), 1210 FAN_UNIT_ATTRS(0), 1211 FAN_UNIT_ATTRS(1), 1212 FAN_UNIT_ATTRS(2), 1213 TEMP_UNIT_ATTRS(0), 1214 TEMP_UNIT_ATTRS(1), 1215 TEMP_UNIT_ATTRS(2), 1216 &dev_attr_alarms.attr, 1217 &sda_beep_ctrl[0].dev_attr.attr, 1218 &sda_beep_ctrl[1].dev_attr.attr, 1219 &dev_attr_cpu0_vid.attr, 1220 &dev_attr_vrm.attr, 1221 &sda_pwm[0].dev_attr.attr, 1222 &sda_pwm[1].dev_attr.attr, 1223 &sda_pwm[2].dev_attr.attr, 1224 &sda_pwmenable[0].dev_attr.attr, 1225 &sda_pwmenable[1].dev_attr.attr, 1226 &sda_pwmenable[2].dev_attr.attr, 1227 &sda_temp_target[0].dev_attr.attr, 1228 &sda_temp_target[1].dev_attr.attr, 1229 &sda_temp_target[2].dev_attr.attr, 1230 &sda_temp_tolerance[0].dev_attr.attr, 1231 &sda_temp_tolerance[1].dev_attr.attr, 1232 &sda_temp_tolerance[2].dev_attr.attr, 1233 NULL 1234 }; 1235 1236 static const struct attribute_group w83791d_group = { 1237 .attrs = w83791d_attributes, 1238 }; 1239 1240 /* 1241 * Separate group of attributes for fan/pwm 4-5. Their pins can also be 1242 * in use for GPIO in which case their sysfs-interface should not be made 1243 * available 1244 */ 1245 static struct attribute *w83791d_attributes_fanpwm45[] = { 1246 FAN_UNIT_ATTRS(3), 1247 FAN_UNIT_ATTRS(4), 1248 &sda_pwm[3].dev_attr.attr, 1249 &sda_pwm[4].dev_attr.attr, 1250 NULL 1251 }; 1252 1253 static const struct attribute_group w83791d_group_fanpwm45 = { 1254 .attrs = w83791d_attributes_fanpwm45, 1255 }; 1256 1257 static int w83791d_detect_subclients(struct i2c_client *client) 1258 { 1259 struct i2c_adapter *adapter = client->adapter; 1260 struct w83791d_data *data = i2c_get_clientdata(client); 1261 int address = client->addr; 1262 int i, id; 1263 u8 val; 1264 1265 id = i2c_adapter_id(adapter); 1266 if (force_subclients[0] == id && force_subclients[1] == address) { 1267 for (i = 2; i <= 3; i++) { 1268 if (force_subclients[i] < 0x48 || 1269 force_subclients[i] > 0x4f) { 1270 dev_err(&client->dev, 1271 "invalid subclient " 1272 "address %d; must be 0x48-0x4f\n", 1273 force_subclients[i]); 1274 return -ENODEV; 1275 } 1276 } 1277 w83791d_write(client, W83791D_REG_I2C_SUBADDR, 1278 (force_subclients[2] & 0x07) | 1279 ((force_subclients[3] & 0x07) << 4)); 1280 } 1281 1282 val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); 1283 if (!(val & 0x08)) 1284 data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, 1285 0x48 + (val & 0x7)); 1286 if (!(val & 0x80)) { 1287 if (!IS_ERR(data->lm75[0]) && 1288 ((val & 0x7) == ((val >> 4) & 0x7))) { 1289 dev_err(&client->dev, 1290 "duplicate addresses 0x%x, " 1291 "use force_subclient\n", 1292 data->lm75[0]->addr); 1293 return -ENODEV; 1294 } 1295 data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, 1296 0x48 + ((val >> 4) & 0x7)); 1297 } 1298 1299 return 0; 1300 } 1301 1302 1303 /* Return 0 if detection is successful, -ENODEV otherwise */ 1304 static int w83791d_detect(struct i2c_client *client, 1305 struct i2c_board_info *info) 1306 { 1307 struct i2c_adapter *adapter = client->adapter; 1308 int val1, val2; 1309 unsigned short address = client->addr; 1310 1311 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1312 return -ENODEV; 1313 1314 if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) 1315 return -ENODEV; 1316 1317 val1 = w83791d_read(client, W83791D_REG_BANK); 1318 val2 = w83791d_read(client, W83791D_REG_CHIPMAN); 1319 /* Check for Winbond ID if in bank 0 */ 1320 if (!(val1 & 0x07)) { 1321 if ((!(val1 & 0x80) && val2 != 0xa3) || 1322 ((val1 & 0x80) && val2 != 0x5c)) { 1323 return -ENODEV; 1324 } 1325 } 1326 /* 1327 * If Winbond chip, address of chip and W83791D_REG_I2C_ADDR 1328 * should match 1329 */ 1330 if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) 1331 return -ENODEV; 1332 1333 /* We want bank 0 and Vendor ID high byte */ 1334 val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; 1335 w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); 1336 1337 /* Verify it is a Winbond w83791d */ 1338 val1 = w83791d_read(client, W83791D_REG_WCHIPID); 1339 val2 = w83791d_read(client, W83791D_REG_CHIPMAN); 1340 if (val1 != 0x71 || val2 != 0x5c) 1341 return -ENODEV; 1342 1343 strlcpy(info->type, "w83791d", I2C_NAME_SIZE); 1344 1345 return 0; 1346 } 1347 1348 static int w83791d_probe(struct i2c_client *client) 1349 { 1350 struct w83791d_data *data; 1351 struct device *dev = &client->dev; 1352 int i, err; 1353 u8 has_fanpwm45; 1354 1355 #ifdef DEBUG 1356 int val1; 1357 val1 = w83791d_read(client, W83791D_REG_DID_VID4); 1358 dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n", 1359 (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1); 1360 #endif 1361 1362 data = devm_kzalloc(&client->dev, sizeof(struct w83791d_data), 1363 GFP_KERNEL); 1364 if (!data) 1365 return -ENOMEM; 1366 1367 i2c_set_clientdata(client, data); 1368 mutex_init(&data->update_lock); 1369 1370 err = w83791d_detect_subclients(client); 1371 if (err) 1372 return err; 1373 1374 /* Initialize the chip */ 1375 w83791d_init_client(client); 1376 1377 /* 1378 * If the fan_div is changed, make sure there is a rational 1379 * fan_min in place 1380 */ 1381 for (i = 0; i < NUMBER_OF_FANIN; i++) 1382 data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]); 1383 1384 /* Register sysfs hooks */ 1385 err = sysfs_create_group(&client->dev.kobj, &w83791d_group); 1386 if (err) 1387 return err; 1388 1389 /* Check if pins of fan/pwm 4-5 are in use as GPIO */ 1390 has_fanpwm45 = w83791d_read(client, W83791D_REG_GPIO) & 0x10; 1391 if (has_fanpwm45) { 1392 err = sysfs_create_group(&client->dev.kobj, 1393 &w83791d_group_fanpwm45); 1394 if (err) 1395 goto error4; 1396 } 1397 1398 /* Everything is ready, now register the working device */ 1399 data->hwmon_dev = hwmon_device_register(dev); 1400 if (IS_ERR(data->hwmon_dev)) { 1401 err = PTR_ERR(data->hwmon_dev); 1402 goto error5; 1403 } 1404 1405 return 0; 1406 1407 error5: 1408 if (has_fanpwm45) 1409 sysfs_remove_group(&client->dev.kobj, &w83791d_group_fanpwm45); 1410 error4: 1411 sysfs_remove_group(&client->dev.kobj, &w83791d_group); 1412 return err; 1413 } 1414 1415 static int w83791d_remove(struct i2c_client *client) 1416 { 1417 struct w83791d_data *data = i2c_get_clientdata(client); 1418 1419 hwmon_device_unregister(data->hwmon_dev); 1420 sysfs_remove_group(&client->dev.kobj, &w83791d_group); 1421 1422 return 0; 1423 } 1424 1425 static void w83791d_init_client(struct i2c_client *client) 1426 { 1427 struct w83791d_data *data = i2c_get_clientdata(client); 1428 u8 tmp; 1429 u8 old_beep; 1430 1431 /* 1432 * The difference between reset and init is that reset 1433 * does a hard reset of the chip via index 0x40, bit 7, 1434 * but init simply forces certain registers to have "sane" 1435 * values. The hope is that the BIOS has done the right 1436 * thing (which is why the default is reset=0, init=0), 1437 * but if not, reset is the hard hammer and init 1438 * is the soft mallet both of which are trying to whack 1439 * things into place... 1440 * NOTE: The data sheet makes a distinction between 1441 * "power on defaults" and "reset by MR". As far as I can tell, 1442 * the hard reset puts everything into a power-on state so I'm 1443 * not sure what "reset by MR" means or how it can happen. 1444 */ 1445 if (reset || init) { 1446 /* keep some BIOS settings when we... */ 1447 old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG); 1448 1449 if (reset) { 1450 /* ... reset the chip and ... */ 1451 w83791d_write(client, W83791D_REG_CONFIG, 0x80); 1452 } 1453 1454 /* ... disable power-on abnormal beep */ 1455 w83791d_write(client, W83791D_REG_BEEP_CONFIG, old_beep | 0x80); 1456 1457 /* disable the global beep (not done by hard reset) */ 1458 tmp = w83791d_read(client, W83791D_REG_BEEP_CTRL[1]); 1459 w83791d_write(client, W83791D_REG_BEEP_CTRL[1], tmp & 0xef); 1460 1461 if (init) { 1462 /* Make sure monitoring is turned on for add-ons */ 1463 tmp = w83791d_read(client, W83791D_REG_TEMP2_CONFIG); 1464 if (tmp & 1) { 1465 w83791d_write(client, W83791D_REG_TEMP2_CONFIG, 1466 tmp & 0xfe); 1467 } 1468 1469 tmp = w83791d_read(client, W83791D_REG_TEMP3_CONFIG); 1470 if (tmp & 1) { 1471 w83791d_write(client, W83791D_REG_TEMP3_CONFIG, 1472 tmp & 0xfe); 1473 } 1474 1475 /* Start monitoring */ 1476 tmp = w83791d_read(client, W83791D_REG_CONFIG) & 0xf7; 1477 w83791d_write(client, W83791D_REG_CONFIG, tmp | 0x01); 1478 } 1479 } 1480 1481 data->vrm = vid_which_vrm(); 1482 } 1483 1484 static struct w83791d_data *w83791d_update_device(struct device *dev) 1485 { 1486 struct i2c_client *client = to_i2c_client(dev); 1487 struct w83791d_data *data = i2c_get_clientdata(client); 1488 int i, j; 1489 u8 reg_array_tmp[3]; 1490 u8 vbat_reg; 1491 1492 mutex_lock(&data->update_lock); 1493 1494 if (time_after(jiffies, data->last_updated + (HZ * 3)) 1495 || !data->valid) { 1496 dev_dbg(dev, "Starting w83791d device update\n"); 1497 1498 /* Update the voltages measured value and limits */ 1499 for (i = 0; i < NUMBER_OF_VIN; i++) { 1500 data->in[i] = w83791d_read(client, 1501 W83791D_REG_IN[i]); 1502 data->in_max[i] = w83791d_read(client, 1503 W83791D_REG_IN_MAX[i]); 1504 data->in_min[i] = w83791d_read(client, 1505 W83791D_REG_IN_MIN[i]); 1506 } 1507 1508 /* Update the fan counts and limits */ 1509 for (i = 0; i < NUMBER_OF_FANIN; i++) { 1510 /* Update the Fan measured value and limits */ 1511 data->fan[i] = w83791d_read(client, 1512 W83791D_REG_FAN[i]); 1513 data->fan_min[i] = w83791d_read(client, 1514 W83791D_REG_FAN_MIN[i]); 1515 } 1516 1517 /* Update the fan divisor */ 1518 for (i = 0; i < 3; i++) { 1519 reg_array_tmp[i] = w83791d_read(client, 1520 W83791D_REG_FAN_DIV[i]); 1521 } 1522 data->fan_div[0] = (reg_array_tmp[0] >> 4) & 0x03; 1523 data->fan_div[1] = (reg_array_tmp[0] >> 6) & 0x03; 1524 data->fan_div[2] = (reg_array_tmp[1] >> 6) & 0x03; 1525 data->fan_div[3] = reg_array_tmp[2] & 0x07; 1526 data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07; 1527 1528 /* 1529 * The fan divisor for fans 0-2 get bit 2 from 1530 * bits 5-7 respectively of vbat register 1531 */ 1532 vbat_reg = w83791d_read(client, W83791D_REG_VBAT); 1533 for (i = 0; i < 3; i++) 1534 data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04; 1535 1536 /* Update PWM duty cycle */ 1537 for (i = 0; i < NUMBER_OF_PWM; i++) { 1538 data->pwm[i] = w83791d_read(client, 1539 W83791D_REG_PWM[i]); 1540 } 1541 1542 /* Update PWM enable status */ 1543 for (i = 0; i < 2; i++) { 1544 reg_array_tmp[i] = w83791d_read(client, 1545 W83791D_REG_FAN_CFG[i]); 1546 } 1547 data->pwm_enable[0] = (reg_array_tmp[0] >> 2) & 0x03; 1548 data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03; 1549 data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03; 1550 1551 /* Update PWM target temperature */ 1552 for (i = 0; i < 3; i++) { 1553 data->temp_target[i] = w83791d_read(client, 1554 W83791D_REG_TEMP_TARGET[i]) & 0x7f; 1555 } 1556 1557 /* Update PWM temperature tolerance */ 1558 for (i = 0; i < 2; i++) { 1559 reg_array_tmp[i] = w83791d_read(client, 1560 W83791D_REG_TEMP_TOL[i]); 1561 } 1562 data->temp_tolerance[0] = reg_array_tmp[0] & 0x0f; 1563 data->temp_tolerance[1] = (reg_array_tmp[0] >> 4) & 0x0f; 1564 data->temp_tolerance[2] = reg_array_tmp[1] & 0x0f; 1565 1566 /* Update the first temperature sensor */ 1567 for (i = 0; i < 3; i++) { 1568 data->temp1[i] = w83791d_read(client, 1569 W83791D_REG_TEMP1[i]); 1570 } 1571 1572 /* Update the rest of the temperature sensors */ 1573 for (i = 0; i < 2; i++) { 1574 for (j = 0; j < 3; j++) { 1575 data->temp_add[i][j] = 1576 (w83791d_read(client, 1577 W83791D_REG_TEMP_ADD[i][j * 2]) << 8) | 1578 w83791d_read(client, 1579 W83791D_REG_TEMP_ADD[i][j * 2 + 1]); 1580 } 1581 } 1582 1583 /* Update the realtime status */ 1584 data->alarms = 1585 w83791d_read(client, W83791D_REG_ALARM1) + 1586 (w83791d_read(client, W83791D_REG_ALARM2) << 8) + 1587 (w83791d_read(client, W83791D_REG_ALARM3) << 16); 1588 1589 /* Update the beep configuration information */ 1590 data->beep_mask = 1591 w83791d_read(client, W83791D_REG_BEEP_CTRL[0]) + 1592 (w83791d_read(client, W83791D_REG_BEEP_CTRL[1]) << 8) + 1593 (w83791d_read(client, W83791D_REG_BEEP_CTRL[2]) << 16); 1594 1595 /* Extract global beep enable flag */ 1596 data->beep_enable = 1597 (data->beep_mask >> GLOBAL_BEEP_ENABLE_SHIFT) & 0x01; 1598 1599 /* Update the cpu voltage information */ 1600 i = w83791d_read(client, W83791D_REG_VID_FANDIV); 1601 data->vid = i & 0x0f; 1602 data->vid |= (w83791d_read(client, W83791D_REG_DID_VID4) & 0x01) 1603 << 4; 1604 1605 data->last_updated = jiffies; 1606 data->valid = 1; 1607 } 1608 1609 mutex_unlock(&data->update_lock); 1610 1611 #ifdef DEBUG 1612 w83791d_print_debug(data, dev); 1613 #endif 1614 1615 return data; 1616 } 1617 1618 #ifdef DEBUG 1619 static void w83791d_print_debug(struct w83791d_data *data, struct device *dev) 1620 { 1621 int i = 0, j = 0; 1622 1623 dev_dbg(dev, "======Start of w83791d debug values======\n"); 1624 dev_dbg(dev, "%d set of Voltages: ===>\n", NUMBER_OF_VIN); 1625 for (i = 0; i < NUMBER_OF_VIN; i++) { 1626 dev_dbg(dev, "vin[%d] is: 0x%02x\n", i, data->in[i]); 1627 dev_dbg(dev, "vin[%d] min is: 0x%02x\n", i, data->in_min[i]); 1628 dev_dbg(dev, "vin[%d] max is: 0x%02x\n", i, data->in_max[i]); 1629 } 1630 dev_dbg(dev, "%d set of Fan Counts/Divisors: ===>\n", NUMBER_OF_FANIN); 1631 for (i = 0; i < NUMBER_OF_FANIN; i++) { 1632 dev_dbg(dev, "fan[%d] is: 0x%02x\n", i, data->fan[i]); 1633 dev_dbg(dev, "fan[%d] min is: 0x%02x\n", i, data->fan_min[i]); 1634 dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]); 1635 } 1636 1637 /* 1638 * temperature math is signed, but only print out the 1639 * bits that matter 1640 */ 1641 dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN); 1642 for (i = 0; i < 3; i++) 1643 dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]); 1644 for (i = 0; i < 2; i++) { 1645 for (j = 0; j < 3; j++) { 1646 dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j, 1647 (u16) data->temp_add[i][j]); 1648 } 1649 } 1650 1651 dev_dbg(dev, "Misc Information: ===>\n"); 1652 dev_dbg(dev, "alarm is: 0x%08x\n", data->alarms); 1653 dev_dbg(dev, "beep_mask is: 0x%08x\n", data->beep_mask); 1654 dev_dbg(dev, "beep_enable is: %d\n", data->beep_enable); 1655 dev_dbg(dev, "vid is: 0x%02x\n", data->vid); 1656 dev_dbg(dev, "vrm is: 0x%02x\n", data->vrm); 1657 dev_dbg(dev, "=======End of w83791d debug values========\n"); 1658 dev_dbg(dev, "\n"); 1659 } 1660 #endif 1661 1662 module_i2c_driver(w83791d_driver); 1663 1664 MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>"); 1665 MODULE_DESCRIPTION("W83791D driver"); 1666 MODULE_LICENSE("GPL"); 1667