1648 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O4 * chips integrated hardware monitoring features5 * Copyright (C) 2005-2006 Jean Delvare <jdelvare@suse.de>6 *7 * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates8 * complete hardware monitoring features: voltage, fan and temperature9 * sensors, and manual and automatic fan speed control.10 *11 * The F71872F/FG is almost the same, with two more voltages monitored,12 * and 6 VID inputs.13 *14 * The F71806F/FG is essentially the same as the F71872F/FG. It even has15 * the same chip ID, so the driver can't differentiate between.16 */17 18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt19 20#include <linux/module.h>21#include <linux/init.h>22#include <linux/slab.h>23#include <linux/jiffies.h>24#include <linux/platform_device.h>25#include <linux/hwmon.h>26#include <linux/hwmon-sysfs.h>27#include <linux/err.h>28#include <linux/mutex.h>29#include <linux/sysfs.h>30#include <linux/ioport.h>31#include <linux/acpi.h>32#include <linux/io.h>33 34static unsigned short force_id;35module_param(force_id, ushort, 0);36MODULE_PARM_DESC(force_id, "Override the detected device ID");37 38static struct platform_device *pdev;39 40#define DRVNAME "f71805f"41enum kinds { f71805f, f71872f };42 43/*44 * Super-I/O constants and functions45 */46 47#define F71805F_LD_HWM 0x0448 49#define SIO_REG_LDSEL 0x07 /* Logical device select */50#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */51#define SIO_REG_DEVREV 0x22 /* Device revision */52#define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */53#define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */54#define SIO_REG_ENABLE 0x30 /* Logical device enable */55#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */56 57#define SIO_FINTEK_ID 0x193458#define SIO_F71805F_ID 0x040659#define SIO_F71872F_ID 0x034160 61static inline int62superio_inb(int base, int reg)63{64 outb(reg, base);65 return inb(base + 1);66}67 68static int69superio_inw(int base, int reg)70{71 int val;72 outb(reg++, base);73 val = inb(base + 1) << 8;74 outb(reg, base);75 val |= inb(base + 1);76 return val;77}78 79static inline void80superio_select(int base, int ld)81{82 outb(SIO_REG_LDSEL, base);83 outb(ld, base + 1);84}85 86static inline int87superio_enter(int base)88{89 if (!request_muxed_region(base, 2, DRVNAME))90 return -EBUSY;91 92 outb(0x87, base);93 outb(0x87, base);94 95 return 0;96}97 98static inline void99superio_exit(int base)100{101 outb(0xaa, base);102 release_region(base, 2);103}104 105/*106 * ISA constants107 */108 109#define REGION_LENGTH 8110#define ADDR_REG_OFFSET 5111#define DATA_REG_OFFSET 6112 113/*114 * Registers115 */116 117/* in nr from 0 to 10 (8-bit values) */118#define F71805F_REG_IN(nr) (0x10 + (nr))119#define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E)120#define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F)121/* fan nr from 0 to 2 (12-bit values, two registers) */122#define F71805F_REG_FAN(nr) (0x20 + 2 * (nr))123#define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr))124#define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr))125#define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr))126#define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr))127#define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr))128/* temp nr from 0 to 2 (8-bit values) */129#define F71805F_REG_TEMP(nr) (0x1B + (nr))130#define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr))131#define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr))132#define F71805F_REG_TEMP_MODE 0x01133/* pwm/fan pwmnr from 0 to 2, auto point apnr from 0 to 2 */134/* map Fintek numbers to our numbers as follows: 9->0, 5->1, 1->2 */135#define F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr) \136 (0xA0 + 0x10 * (pwmnr) + (2 - (apnr)))137#define F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr) \138 (0xA4 + 0x10 * (pwmnr) + \139 2 * (2 - (apnr)))140 141#define F71805F_REG_START 0x00142/* status nr from 0 to 2 */143#define F71805F_REG_STATUS(nr) (0x36 + (nr))144 145/* individual register bits */146#define FAN_CTRL_DC_MODE 0x10147#define FAN_CTRL_LATCH_FULL 0x08148#define FAN_CTRL_MODE_MASK 0x03149#define FAN_CTRL_MODE_SPEED 0x00150#define FAN_CTRL_MODE_TEMPERATURE 0x01151#define FAN_CTRL_MODE_MANUAL 0x02152 153/*154 * Data structures and manipulation thereof155 */156 157struct f71805f_auto_point {158 u8 temp[3];159 u16 fan[3];160};161 162struct f71805f_data {163 unsigned short addr;164 const char *name;165 struct device *hwmon_dev;166 167 struct mutex update_lock;168 bool valid; /* true if following fields are valid */169 unsigned long last_updated; /* In jiffies */170 unsigned long last_limits; /* In jiffies */171 172 /* Register values */173 u8 in[11];174 u8 in_high[11];175 u8 in_low[11];176 u16 has_in;177 u16 fan[3];178 u16 fan_low[3];179 u16 fan_target[3];180 u8 fan_ctrl[3];181 u8 pwm[3];182 u8 pwm_freq[3];183 u8 temp[3];184 u8 temp_high[3];185 u8 temp_hyst[3];186 u8 temp_mode;187 unsigned long alarms;188 struct f71805f_auto_point auto_points[3];189};190 191struct f71805f_sio_data {192 enum kinds kind;193 u8 fnsel1;194};195 196static inline long in_from_reg(u8 reg)197{198 return reg * 8;199}200 201/* The 2 least significant bits are not used */202static inline u8 in_to_reg(long val)203{204 if (val <= 0)205 return 0;206 if (val >= 2016)207 return 0xfc;208 return ((val + 16) / 32) << 2;209}210 211/* in0 is downscaled by a factor 2 internally */212static inline long in0_from_reg(u8 reg)213{214 return reg * 16;215}216 217static inline u8 in0_to_reg(long val)218{219 if (val <= 0)220 return 0;221 if (val >= 4032)222 return 0xfc;223 return ((val + 32) / 64) << 2;224}225 226/* The 4 most significant bits are not used */227static inline long fan_from_reg(u16 reg)228{229 reg &= 0xfff;230 if (!reg || reg == 0xfff)231 return 0;232 return 1500000 / reg;233}234 235static inline u16 fan_to_reg(long rpm)236{237 /*238 * If the low limit is set below what the chip can measure,239 * store the largest possible 12-bit value in the registers,240 * so that no alarm will ever trigger.241 */242 if (rpm < 367)243 return 0xfff;244 return 1500000 / rpm;245}246 247static inline unsigned long pwm_freq_from_reg(u8 reg)248{249 unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL;250 251 reg &= 0x7f;252 if (reg == 0)253 reg++;254 return clock / (reg << 8);255}256 257static inline u8 pwm_freq_to_reg(unsigned long val)258{259 if (val >= 187500) /* The highest we can do */260 return 0x80;261 if (val >= 1475) /* Use 48 MHz clock */262 return 0x80 | (48000000UL / (val << 8));263 if (val < 31) /* The lowest we can do */264 return 0x7f;265 else /* Use 1 MHz clock */266 return 1000000UL / (val << 8);267}268 269static inline int pwm_mode_from_reg(u8 reg)270{271 return !(reg & FAN_CTRL_DC_MODE);272}273 274static inline long temp_from_reg(u8 reg)275{276 return reg * 1000;277}278 279static inline u8 temp_to_reg(long val)280{281 if (val <= 0)282 return 0;283 if (val >= 1000 * 0xff)284 return 0xff;285 return (val + 500) / 1000;286}287 288/*289 * Device I/O access290 */291 292/* Must be called with data->update_lock held, except during initialization */293static u8 f71805f_read8(struct f71805f_data *data, u8 reg)294{295 outb(reg, data->addr + ADDR_REG_OFFSET);296 return inb(data->addr + DATA_REG_OFFSET);297}298 299/* Must be called with data->update_lock held, except during initialization */300static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)301{302 outb(reg, data->addr + ADDR_REG_OFFSET);303 outb(val, data->addr + DATA_REG_OFFSET);304}305 306/*307 * It is important to read the MSB first, because doing so latches the308 * value of the LSB, so we are sure both bytes belong to the same value.309 * Must be called with data->update_lock held, except during initialization310 */311static u16 f71805f_read16(struct f71805f_data *data, u8 reg)312{313 u16 val;314 315 outb(reg, data->addr + ADDR_REG_OFFSET);316 val = inb(data->addr + DATA_REG_OFFSET) << 8;317 outb(++reg, data->addr + ADDR_REG_OFFSET);318 val |= inb(data->addr + DATA_REG_OFFSET);319 320 return val;321}322 323/* Must be called with data->update_lock held, except during initialization */324static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)325{326 outb(reg, data->addr + ADDR_REG_OFFSET);327 outb(val >> 8, data->addr + DATA_REG_OFFSET);328 outb(++reg, data->addr + ADDR_REG_OFFSET);329 outb(val & 0xff, data->addr + DATA_REG_OFFSET);330}331 332static struct f71805f_data *f71805f_update_device(struct device *dev)333{334 struct f71805f_data *data = dev_get_drvdata(dev);335 int nr, apnr;336 337 mutex_lock(&data->update_lock);338 339 /* Limit registers cache is refreshed after 60 seconds */340 if (time_after(jiffies, data->last_updated + 60 * HZ)341 || !data->valid) {342 for (nr = 0; nr < 11; nr++) {343 if (!(data->has_in & (1 << nr)))344 continue;345 data->in_high[nr] = f71805f_read8(data,346 F71805F_REG_IN_HIGH(nr));347 data->in_low[nr] = f71805f_read8(data,348 F71805F_REG_IN_LOW(nr));349 }350 for (nr = 0; nr < 3; nr++) {351 data->fan_low[nr] = f71805f_read16(data,352 F71805F_REG_FAN_LOW(nr));353 data->fan_target[nr] = f71805f_read16(data,354 F71805F_REG_FAN_TARGET(nr));355 data->pwm_freq[nr] = f71805f_read8(data,356 F71805F_REG_PWM_FREQ(nr));357 }358 for (nr = 0; nr < 3; nr++) {359 data->temp_high[nr] = f71805f_read8(data,360 F71805F_REG_TEMP_HIGH(nr));361 data->temp_hyst[nr] = f71805f_read8(data,362 F71805F_REG_TEMP_HYST(nr));363 }364 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);365 for (nr = 0; nr < 3; nr++) {366 for (apnr = 0; apnr < 3; apnr++) {367 data->auto_points[nr].temp[apnr] =368 f71805f_read8(data,369 F71805F_REG_PWM_AUTO_POINT_TEMP(nr,370 apnr));371 data->auto_points[nr].fan[apnr] =372 f71805f_read16(data,373 F71805F_REG_PWM_AUTO_POINT_FAN(nr,374 apnr));375 }376 }377 378 data->last_limits = jiffies;379 }380 381 /* Measurement registers cache is refreshed after 1 second */382 if (time_after(jiffies, data->last_updated + HZ)383 || !data->valid) {384 for (nr = 0; nr < 11; nr++) {385 if (!(data->has_in & (1 << nr)))386 continue;387 data->in[nr] = f71805f_read8(data,388 F71805F_REG_IN(nr));389 }390 for (nr = 0; nr < 3; nr++) {391 data->fan[nr] = f71805f_read16(data,392 F71805F_REG_FAN(nr));393 data->fan_ctrl[nr] = f71805f_read8(data,394 F71805F_REG_FAN_CTRL(nr));395 data->pwm[nr] = f71805f_read8(data,396 F71805F_REG_PWM_DUTY(nr));397 }398 for (nr = 0; nr < 3; nr++) {399 data->temp[nr] = f71805f_read8(data,400 F71805F_REG_TEMP(nr));401 }402 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))403 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)404 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);405 406 data->last_updated = jiffies;407 data->valid = true;408 }409 410 mutex_unlock(&data->update_lock);411 412 return data;413}414 415/*416 * Sysfs interface417 */418 419static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,420 char *buf)421{422 struct f71805f_data *data = f71805f_update_device(dev);423 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);424 int nr = attr->index;425 426 return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr]));427}428 429static ssize_t show_in0_max(struct device *dev, struct device_attribute430 *devattr, char *buf)431{432 struct f71805f_data *data = f71805f_update_device(dev);433 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);434 int nr = attr->index;435 436 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr]));437}438 439static ssize_t show_in0_min(struct device *dev, struct device_attribute440 *devattr, char *buf)441{442 struct f71805f_data *data = f71805f_update_device(dev);443 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);444 int nr = attr->index;445 446 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr]));447}448 449static ssize_t set_in0_max(struct device *dev, struct device_attribute450 *devattr, const char *buf, size_t count)451{452 struct f71805f_data *data = dev_get_drvdata(dev);453 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);454 int nr = attr->index;455 long val;456 int err;457 458 err = kstrtol(buf, 10, &val);459 if (err)460 return err;461 462 mutex_lock(&data->update_lock);463 data->in_high[nr] = in0_to_reg(val);464 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);465 mutex_unlock(&data->update_lock);466 467 return count;468}469 470static ssize_t set_in0_min(struct device *dev, struct device_attribute471 *devattr, const char *buf, size_t count)472{473 struct f71805f_data *data = dev_get_drvdata(dev);474 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);475 int nr = attr->index;476 long val;477 int err;478 479 err = kstrtol(buf, 10, &val);480 if (err)481 return err;482 483 mutex_lock(&data->update_lock);484 data->in_low[nr] = in0_to_reg(val);485 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);486 mutex_unlock(&data->update_lock);487 488 return count;489}490 491static ssize_t show_in(struct device *dev, struct device_attribute *devattr,492 char *buf)493{494 struct f71805f_data *data = f71805f_update_device(dev);495 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);496 int nr = attr->index;497 498 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));499}500 501static ssize_t show_in_max(struct device *dev, struct device_attribute502 *devattr, char *buf)503{504 struct f71805f_data *data = f71805f_update_device(dev);505 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);506 int nr = attr->index;507 508 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));509}510 511static ssize_t show_in_min(struct device *dev, struct device_attribute512 *devattr, char *buf)513{514 struct f71805f_data *data = f71805f_update_device(dev);515 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);516 int nr = attr->index;517 518 return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));519}520 521static ssize_t set_in_max(struct device *dev, struct device_attribute522 *devattr, const char *buf, size_t count)523{524 struct f71805f_data *data = dev_get_drvdata(dev);525 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);526 int nr = attr->index;527 long val;528 int err;529 530 err = kstrtol(buf, 10, &val);531 if (err)532 return err;533 534 mutex_lock(&data->update_lock);535 data->in_high[nr] = in_to_reg(val);536 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);537 mutex_unlock(&data->update_lock);538 539 return count;540}541 542static ssize_t set_in_min(struct device *dev, struct device_attribute543 *devattr, const char *buf, size_t count)544{545 struct f71805f_data *data = dev_get_drvdata(dev);546 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);547 int nr = attr->index;548 long val;549 int err;550 551 err = kstrtol(buf, 10, &val);552 if (err)553 return err;554 555 mutex_lock(&data->update_lock);556 data->in_low[nr] = in_to_reg(val);557 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);558 mutex_unlock(&data->update_lock);559 560 return count;561}562 563static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,564 char *buf)565{566 struct f71805f_data *data = f71805f_update_device(dev);567 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);568 int nr = attr->index;569 570 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));571}572 573static ssize_t show_fan_min(struct device *dev, struct device_attribute574 *devattr, char *buf)575{576 struct f71805f_data *data = f71805f_update_device(dev);577 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);578 int nr = attr->index;579 580 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));581}582 583static ssize_t show_fan_target(struct device *dev, struct device_attribute584 *devattr, char *buf)585{586 struct f71805f_data *data = f71805f_update_device(dev);587 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);588 int nr = attr->index;589 590 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr]));591}592 593static ssize_t set_fan_min(struct device *dev, struct device_attribute594 *devattr, const char *buf, size_t count)595{596 struct f71805f_data *data = dev_get_drvdata(dev);597 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);598 int nr = attr->index;599 long val;600 int err;601 602 err = kstrtol(buf, 10, &val);603 if (err)604 return err;605 606 mutex_lock(&data->update_lock);607 data->fan_low[nr] = fan_to_reg(val);608 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);609 mutex_unlock(&data->update_lock);610 611 return count;612}613 614static ssize_t set_fan_target(struct device *dev, struct device_attribute615 *devattr, const char *buf, size_t count)616{617 struct f71805f_data *data = dev_get_drvdata(dev);618 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);619 int nr = attr->index;620 long val;621 int err;622 623 err = kstrtol(buf, 10, &val);624 if (err)625 return err;626 627 mutex_lock(&data->update_lock);628 data->fan_target[nr] = fan_to_reg(val);629 f71805f_write16(data, F71805F_REG_FAN_TARGET(nr),630 data->fan_target[nr]);631 mutex_unlock(&data->update_lock);632 633 return count;634}635 636static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,637 char *buf)638{639 struct f71805f_data *data = f71805f_update_device(dev);640 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);641 int nr = attr->index;642 643 return sprintf(buf, "%d\n", (int)data->pwm[nr]);644}645 646static ssize_t show_pwm_enable(struct device *dev, struct device_attribute647 *devattr, char *buf)648{649 struct f71805f_data *data = f71805f_update_device(dev);650 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);651 int nr = attr->index;652 int mode;653 654 switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) {655 case FAN_CTRL_MODE_SPEED:656 mode = 3;657 break;658 case FAN_CTRL_MODE_TEMPERATURE:659 mode = 2;660 break;661 default: /* MANUAL */662 mode = 1;663 }664 665 return sprintf(buf, "%d\n", mode);666}667 668static ssize_t show_pwm_freq(struct device *dev, struct device_attribute669 *devattr, char *buf)670{671 struct f71805f_data *data = f71805f_update_device(dev);672 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);673 int nr = attr->index;674 675 return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr]));676}677 678static ssize_t show_pwm_mode(struct device *dev, struct device_attribute679 *devattr, char *buf)680{681 struct f71805f_data *data = f71805f_update_device(dev);682 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);683 int nr = attr->index;684 685 return sprintf(buf, "%d\n", pwm_mode_from_reg(data->fan_ctrl[nr]));686}687 688static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,689 const char *buf, size_t count)690{691 struct f71805f_data *data = dev_get_drvdata(dev);692 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);693 int nr = attr->index;694 unsigned long val;695 int err;696 697 err = kstrtoul(buf, 10, &val);698 if (err)699 return err;700 701 if (val > 255)702 return -EINVAL;703 704 mutex_lock(&data->update_lock);705 data->pwm[nr] = val;706 f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]);707 mutex_unlock(&data->update_lock);708 709 return count;710}711 712static struct attribute *f71805f_attr_pwm[];713 714static ssize_t set_pwm_enable(struct device *dev, struct device_attribute715 *devattr, const char *buf, size_t count)716{717 struct f71805f_data *data = dev_get_drvdata(dev);718 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);719 int nr = attr->index;720 u8 reg;721 unsigned long val;722 int err;723 724 err = kstrtoul(buf, 10, &val);725 if (err)726 return err;727 728 if (val < 1 || val > 3)729 return -EINVAL;730 731 if (val > 1) { /* Automatic mode, user can't set PWM value */732 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],733 S_IRUGO))734 dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1);735 }736 737 mutex_lock(&data->update_lock);738 reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr))739 & ~FAN_CTRL_MODE_MASK;740 switch (val) {741 case 1:742 reg |= FAN_CTRL_MODE_MANUAL;743 break;744 case 2:745 reg |= FAN_CTRL_MODE_TEMPERATURE;746 break;747 case 3:748 reg |= FAN_CTRL_MODE_SPEED;749 break;750 }751 data->fan_ctrl[nr] = reg;752 f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg);753 mutex_unlock(&data->update_lock);754 755 if (val == 1) { /* Manual mode, user can set PWM value */756 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],757 S_IRUGO | S_IWUSR))758 dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1);759 }760 761 return count;762}763 764static ssize_t set_pwm_freq(struct device *dev, struct device_attribute765 *devattr, const char *buf, size_t count)766{767 struct f71805f_data *data = dev_get_drvdata(dev);768 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);769 int nr = attr->index;770 unsigned long val;771 int err;772 773 err = kstrtoul(buf, 10, &val);774 if (err)775 return err;776 777 mutex_lock(&data->update_lock);778 data->pwm_freq[nr] = pwm_freq_to_reg(val);779 f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]);780 mutex_unlock(&data->update_lock);781 782 return count;783}784 785static ssize_t show_pwm_auto_point_temp(struct device *dev,786 struct device_attribute *devattr,787 char *buf)788{789 struct f71805f_data *data = dev_get_drvdata(dev);790 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);791 int pwmnr = attr->nr;792 int apnr = attr->index;793 794 return sprintf(buf, "%ld\n",795 temp_from_reg(data->auto_points[pwmnr].temp[apnr]));796}797 798static ssize_t set_pwm_auto_point_temp(struct device *dev,799 struct device_attribute *devattr,800 const char *buf, size_t count)801{802 struct f71805f_data *data = dev_get_drvdata(dev);803 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);804 int pwmnr = attr->nr;805 int apnr = attr->index;806 unsigned long val;807 int err;808 809 err = kstrtoul(buf, 10, &val);810 if (err)811 return err;812 813 mutex_lock(&data->update_lock);814 data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val);815 f71805f_write8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr),816 data->auto_points[pwmnr].temp[apnr]);817 mutex_unlock(&data->update_lock);818 819 return count;820}821 822static ssize_t show_pwm_auto_point_fan(struct device *dev,823 struct device_attribute *devattr,824 char *buf)825{826 struct f71805f_data *data = dev_get_drvdata(dev);827 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);828 int pwmnr = attr->nr;829 int apnr = attr->index;830 831 return sprintf(buf, "%ld\n",832 fan_from_reg(data->auto_points[pwmnr].fan[apnr]));833}834 835static ssize_t set_pwm_auto_point_fan(struct device *dev,836 struct device_attribute *devattr,837 const char *buf, size_t count)838{839 struct f71805f_data *data = dev_get_drvdata(dev);840 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);841 int pwmnr = attr->nr;842 int apnr = attr->index;843 unsigned long val;844 int err;845 846 err = kstrtoul(buf, 10, &val);847 if (err)848 return err;849 850 mutex_lock(&data->update_lock);851 data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);852 f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),853 data->auto_points[pwmnr].fan[apnr]);854 mutex_unlock(&data->update_lock);855 856 return count;857}858 859static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,860 char *buf)861{862 struct f71805f_data *data = f71805f_update_device(dev);863 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);864 int nr = attr->index;865 866 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));867}868 869static ssize_t show_temp_max(struct device *dev, struct device_attribute870 *devattr, char *buf)871{872 struct f71805f_data *data = f71805f_update_device(dev);873 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);874 int nr = attr->index;875 876 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));877}878 879static ssize_t show_temp_hyst(struct device *dev, struct device_attribute880 *devattr, char *buf)881{882 struct f71805f_data *data = f71805f_update_device(dev);883 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);884 int nr = attr->index;885 886 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));887}888 889static ssize_t show_temp_type(struct device *dev, struct device_attribute890 *devattr, char *buf)891{892 struct f71805f_data *data = f71805f_update_device(dev);893 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);894 int nr = attr->index;895 896 /* 3 is diode, 4 is thermistor */897 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);898}899 900static ssize_t set_temp_max(struct device *dev, struct device_attribute901 *devattr, const char *buf, size_t count)902{903 struct f71805f_data *data = dev_get_drvdata(dev);904 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);905 int nr = attr->index;906 long val;907 int err;908 909 err = kstrtol(buf, 10, &val);910 if (err)911 return err;912 913 mutex_lock(&data->update_lock);914 data->temp_high[nr] = temp_to_reg(val);915 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);916 mutex_unlock(&data->update_lock);917 918 return count;919}920 921static ssize_t set_temp_hyst(struct device *dev, struct device_attribute922 *devattr, const char *buf, size_t count)923{924 struct f71805f_data *data = dev_get_drvdata(dev);925 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);926 int nr = attr->index;927 long val;928 int err;929 930 err = kstrtol(buf, 10, &val);931 if (err)932 return err;933 934 mutex_lock(&data->update_lock);935 data->temp_hyst[nr] = temp_to_reg(val);936 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);937 mutex_unlock(&data->update_lock);938 939 return count;940}941 942static ssize_t alarms_in_show(struct device *dev, struct device_attribute943 *devattr, char *buf)944{945 struct f71805f_data *data = f71805f_update_device(dev);946 947 return sprintf(buf, "%lu\n", data->alarms & 0x7ff);948}949 950static ssize_t alarms_fan_show(struct device *dev, struct device_attribute951 *devattr, char *buf)952{953 struct f71805f_data *data = f71805f_update_device(dev);954 955 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);956}957 958static ssize_t alarms_temp_show(struct device *dev, struct device_attribute959 *devattr, char *buf)960{961 struct f71805f_data *data = f71805f_update_device(dev);962 963 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);964}965 966static ssize_t show_alarm(struct device *dev, struct device_attribute967 *devattr, char *buf)968{969 struct f71805f_data *data = f71805f_update_device(dev);970 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);971 int bitnr = attr->index;972 973 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);974}975 976static ssize_t name_show(struct device *dev, struct device_attribute977 *devattr, char *buf)978{979 struct f71805f_data *data = dev_get_drvdata(dev);980 981 return sprintf(buf, "%s\n", data->name);982}983 984static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);985static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,986 show_in0_max, set_in0_max, 0);987static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,988 show_in0_min, set_in0_min, 0);989static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);990static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,991 show_in_max, set_in_max, 1);992static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,993 show_in_min, set_in_min, 1);994static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);995static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,996 show_in_max, set_in_max, 2);997static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,998 show_in_min, set_in_min, 2);999static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);1000static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,1001 show_in_max, set_in_max, 3);1002static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,1003 show_in_min, set_in_min, 3);1004static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);1005static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,1006 show_in_max, set_in_max, 4);1007static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,1008 show_in_min, set_in_min, 4);1009static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);1010static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,1011 show_in_max, set_in_max, 5);1012static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,1013 show_in_min, set_in_min, 5);1014static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);1015static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,1016 show_in_max, set_in_max, 6);1017static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,1018 show_in_min, set_in_min, 6);1019static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);1020static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,1021 show_in_max, set_in_max, 7);1022static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,1023 show_in_min, set_in_min, 7);1024static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);1025static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,1026 show_in_max, set_in_max, 8);1027static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,1028 show_in_min, set_in_min, 8);1029static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9);1030static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR,1031 show_in0_max, set_in0_max, 9);1032static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR,1033 show_in0_min, set_in0_min, 9);1034static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10);1035static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR,1036 show_in0_max, set_in0_max, 10);1037static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR,1038 show_in0_min, set_in0_min, 10);1039 1040static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);1041static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,1042 show_fan_min, set_fan_min, 0);1043static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR,1044 show_fan_target, set_fan_target, 0);1045static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);1046static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,1047 show_fan_min, set_fan_min, 1);1048static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR,1049 show_fan_target, set_fan_target, 1);1050static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);1051static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,1052 show_fan_min, set_fan_min, 2);1053static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR,1054 show_fan_target, set_fan_target, 2);1055 1056static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);1057static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,1058 show_temp_max, set_temp_max, 0);1059static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,1060 show_temp_hyst, set_temp_hyst, 0);1061static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);1062static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);1063static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,1064 show_temp_max, set_temp_max, 1);1065static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,1066 show_temp_hyst, set_temp_hyst, 1);1067static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);1068static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);1069static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,1070 show_temp_max, set_temp_max, 2);1071static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,1072 show_temp_hyst, set_temp_hyst, 2);1073static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);1074 1075/*1076 * pwm (value) files are created read-only, write permission is1077 * then added or removed dynamically as needed1078 */1079static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);1080static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,1081 show_pwm_enable, set_pwm_enable, 0);1082static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR,1083 show_pwm_freq, set_pwm_freq, 0);1084static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0);1085static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1);1086static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,1087 show_pwm_enable, set_pwm_enable, 1);1088static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR,1089 show_pwm_freq, set_pwm_freq, 1);1090static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1);1091static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2);1092static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,1093 show_pwm_enable, set_pwm_enable, 2);1094static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR,1095 show_pwm_freq, set_pwm_freq, 2);1096static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2);1097 1098static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,1099 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1100 0, 0);1101static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_fan, S_IRUGO | S_IWUSR,1102 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1103 0, 0);1104static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,1105 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1106 0, 1);1107static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_fan, S_IRUGO | S_IWUSR,1108 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1109 0, 1);1110static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,1111 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1112 0, 2);1113static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_fan, S_IRUGO | S_IWUSR,1114 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1115 0, 2);1116 1117static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,1118 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1119 1, 0);1120static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_fan, S_IRUGO | S_IWUSR,1121 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1122 1, 0);1123static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,1124 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1125 1, 1);1126static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_fan, S_IRUGO | S_IWUSR,1127 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1128 1, 1);1129static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,1130 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1131 1, 2);1132static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_fan, S_IRUGO | S_IWUSR,1133 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1134 1, 2);1135 1136static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,1137 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1138 2, 0);1139static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_fan, S_IRUGO | S_IWUSR,1140 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1141 2, 0);1142static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,1143 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1144 2, 1);1145static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_fan, S_IRUGO | S_IWUSR,1146 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1147 2, 1);1148static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,1149 show_pwm_auto_point_temp, set_pwm_auto_point_temp,1150 2, 2);1151static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_fan, S_IRUGO | S_IWUSR,1152 show_pwm_auto_point_fan, set_pwm_auto_point_fan,1153 2, 2);1154 1155static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);1156static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);1157static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);1158static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);1159static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);1160static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);1161static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);1162static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);1163static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);1164static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9);1165static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10);1166static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);1167static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);1168static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);1169static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);1170static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);1171static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);1172static DEVICE_ATTR_RO(alarms_in);1173static DEVICE_ATTR_RO(alarms_fan);1174static DEVICE_ATTR_RO(alarms_temp);1175 1176static DEVICE_ATTR_RO(name);1177 1178static struct attribute *f71805f_attributes[] = {1179 &sensor_dev_attr_in0_input.dev_attr.attr,1180 &sensor_dev_attr_in0_max.dev_attr.attr,1181 &sensor_dev_attr_in0_min.dev_attr.attr,1182 &sensor_dev_attr_in1_input.dev_attr.attr,1183 &sensor_dev_attr_in1_max.dev_attr.attr,1184 &sensor_dev_attr_in1_min.dev_attr.attr,1185 &sensor_dev_attr_in2_input.dev_attr.attr,1186 &sensor_dev_attr_in2_max.dev_attr.attr,1187 &sensor_dev_attr_in2_min.dev_attr.attr,1188 &sensor_dev_attr_in3_input.dev_attr.attr,1189 &sensor_dev_attr_in3_max.dev_attr.attr,1190 &sensor_dev_attr_in3_min.dev_attr.attr,1191 &sensor_dev_attr_in5_input.dev_attr.attr,1192 &sensor_dev_attr_in5_max.dev_attr.attr,1193 &sensor_dev_attr_in5_min.dev_attr.attr,1194 &sensor_dev_attr_in6_input.dev_attr.attr,1195 &sensor_dev_attr_in6_max.dev_attr.attr,1196 &sensor_dev_attr_in6_min.dev_attr.attr,1197 &sensor_dev_attr_in7_input.dev_attr.attr,1198 &sensor_dev_attr_in7_max.dev_attr.attr,1199 &sensor_dev_attr_in7_min.dev_attr.attr,1200 1201 &sensor_dev_attr_fan1_input.dev_attr.attr,1202 &sensor_dev_attr_fan1_min.dev_attr.attr,1203 &sensor_dev_attr_fan1_alarm.dev_attr.attr,1204 &sensor_dev_attr_fan1_target.dev_attr.attr,1205 &sensor_dev_attr_fan2_input.dev_attr.attr,1206 &sensor_dev_attr_fan2_min.dev_attr.attr,1207 &sensor_dev_attr_fan2_alarm.dev_attr.attr,1208 &sensor_dev_attr_fan2_target.dev_attr.attr,1209 &sensor_dev_attr_fan3_input.dev_attr.attr,1210 &sensor_dev_attr_fan3_min.dev_attr.attr,1211 &sensor_dev_attr_fan3_alarm.dev_attr.attr,1212 &sensor_dev_attr_fan3_target.dev_attr.attr,1213 1214 &sensor_dev_attr_pwm1.dev_attr.attr,1215 &sensor_dev_attr_pwm1_enable.dev_attr.attr,1216 &sensor_dev_attr_pwm1_mode.dev_attr.attr,1217 &sensor_dev_attr_pwm2.dev_attr.attr,1218 &sensor_dev_attr_pwm2_enable.dev_attr.attr,1219 &sensor_dev_attr_pwm2_mode.dev_attr.attr,1220 &sensor_dev_attr_pwm3.dev_attr.attr,1221 &sensor_dev_attr_pwm3_enable.dev_attr.attr,1222 &sensor_dev_attr_pwm3_mode.dev_attr.attr,1223 1224 &sensor_dev_attr_temp1_input.dev_attr.attr,1225 &sensor_dev_attr_temp1_max.dev_attr.attr,1226 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,1227 &sensor_dev_attr_temp1_type.dev_attr.attr,1228 &sensor_dev_attr_temp2_input.dev_attr.attr,1229 &sensor_dev_attr_temp2_max.dev_attr.attr,1230 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,1231 &sensor_dev_attr_temp2_type.dev_attr.attr,1232 &sensor_dev_attr_temp3_input.dev_attr.attr,1233 &sensor_dev_attr_temp3_max.dev_attr.attr,1234 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,1235 &sensor_dev_attr_temp3_type.dev_attr.attr,1236 1237 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,1238 &sensor_dev_attr_pwm1_auto_point1_fan.dev_attr.attr,1239 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,1240 &sensor_dev_attr_pwm1_auto_point2_fan.dev_attr.attr,1241 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,1242 &sensor_dev_attr_pwm1_auto_point3_fan.dev_attr.attr,1243 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,1244 &sensor_dev_attr_pwm2_auto_point1_fan.dev_attr.attr,1245 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,1246 &sensor_dev_attr_pwm2_auto_point2_fan.dev_attr.attr,1247 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,1248 &sensor_dev_attr_pwm2_auto_point3_fan.dev_attr.attr,1249 &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,1250 &sensor_dev_attr_pwm3_auto_point1_fan.dev_attr.attr,1251 &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,1252 &sensor_dev_attr_pwm3_auto_point2_fan.dev_attr.attr,1253 &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,1254 &sensor_dev_attr_pwm3_auto_point3_fan.dev_attr.attr,1255 1256 &sensor_dev_attr_in0_alarm.dev_attr.attr,1257 &sensor_dev_attr_in1_alarm.dev_attr.attr,1258 &sensor_dev_attr_in2_alarm.dev_attr.attr,1259 &sensor_dev_attr_in3_alarm.dev_attr.attr,1260 &sensor_dev_attr_in5_alarm.dev_attr.attr,1261 &sensor_dev_attr_in6_alarm.dev_attr.attr,1262 &sensor_dev_attr_in7_alarm.dev_attr.attr,1263 &dev_attr_alarms_in.attr,1264 &sensor_dev_attr_temp1_alarm.dev_attr.attr,1265 &sensor_dev_attr_temp2_alarm.dev_attr.attr,1266 &sensor_dev_attr_temp3_alarm.dev_attr.attr,1267 &dev_attr_alarms_temp.attr,1268 &dev_attr_alarms_fan.attr,1269 1270 &dev_attr_name.attr,1271 NULL1272};1273 1274static const struct attribute_group f71805f_group = {1275 .attrs = f71805f_attributes,1276};1277 1278static struct attribute *f71805f_attributes_optin[4][5] = {1279 {1280 &sensor_dev_attr_in4_input.dev_attr.attr,1281 &sensor_dev_attr_in4_max.dev_attr.attr,1282 &sensor_dev_attr_in4_min.dev_attr.attr,1283 &sensor_dev_attr_in4_alarm.dev_attr.attr,1284 NULL1285 }, {1286 &sensor_dev_attr_in8_input.dev_attr.attr,1287 &sensor_dev_attr_in8_max.dev_attr.attr,1288 &sensor_dev_attr_in8_min.dev_attr.attr,1289 &sensor_dev_attr_in8_alarm.dev_attr.attr,1290 NULL1291 }, {1292 &sensor_dev_attr_in9_input.dev_attr.attr,1293 &sensor_dev_attr_in9_max.dev_attr.attr,1294 &sensor_dev_attr_in9_min.dev_attr.attr,1295 &sensor_dev_attr_in9_alarm.dev_attr.attr,1296 NULL1297 }, {1298 &sensor_dev_attr_in10_input.dev_attr.attr,1299 &sensor_dev_attr_in10_max.dev_attr.attr,1300 &sensor_dev_attr_in10_min.dev_attr.attr,1301 &sensor_dev_attr_in10_alarm.dev_attr.attr,1302 NULL1303 }1304};1305 1306static const struct attribute_group f71805f_group_optin[4] = {1307 { .attrs = f71805f_attributes_optin[0] },1308 { .attrs = f71805f_attributes_optin[1] },1309 { .attrs = f71805f_attributes_optin[2] },1310 { .attrs = f71805f_attributes_optin[3] },1311};1312 1313/*1314 * We don't include pwm_freq files in the arrays above, because they must be1315 * created conditionally (only if pwm_mode is 1 == PWM)1316 */1317static struct attribute *f71805f_attributes_pwm_freq[] = {1318 &sensor_dev_attr_pwm1_freq.dev_attr.attr,1319 &sensor_dev_attr_pwm2_freq.dev_attr.attr,1320 &sensor_dev_attr_pwm3_freq.dev_attr.attr,1321 NULL1322};1323 1324static const struct attribute_group f71805f_group_pwm_freq = {1325 .attrs = f71805f_attributes_pwm_freq,1326};1327 1328/* We also need an indexed access to pwmN files to toggle writability */1329static struct attribute *f71805f_attr_pwm[] = {1330 &sensor_dev_attr_pwm1.dev_attr.attr,1331 &sensor_dev_attr_pwm2.dev_attr.attr,1332 &sensor_dev_attr_pwm3.dev_attr.attr,1333};1334 1335/*1336 * Device registration and initialization1337 */1338 1339static void f71805f_init_device(struct f71805f_data *data)1340{1341 u8 reg;1342 int i;1343 1344 reg = f71805f_read8(data, F71805F_REG_START);1345 if ((reg & 0x41) != 0x01) {1346 pr_debug("Starting monitoring operations\n");1347 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);1348 }1349 1350 /*1351 * Fan monitoring can be disabled. If it is, we won't be polling1352 * the register values, and won't create the related sysfs files.1353 */1354 for (i = 0; i < 3; i++) {1355 data->fan_ctrl[i] = f71805f_read8(data,1356 F71805F_REG_FAN_CTRL(i));1357 /*1358 * Clear latch full bit, else "speed mode" fan speed control1359 * doesn't work1360 */1361 if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {1362 data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;1363 f71805f_write8(data, F71805F_REG_FAN_CTRL(i),1364 data->fan_ctrl[i]);1365 }1366 }1367}1368 1369static int f71805f_probe(struct platform_device *pdev)1370{1371 struct f71805f_sio_data *sio_data = dev_get_platdata(&pdev->dev);1372 struct f71805f_data *data;1373 struct resource *res;1374 int i, err;1375 1376 static const char * const names[] = {1377 "f71805f",1378 "f71872f",1379 };1380 1381 data = devm_kzalloc(&pdev->dev, sizeof(struct f71805f_data),1382 GFP_KERNEL);1383 if (!data)1384 return -ENOMEM;1385 1386 res = platform_get_resource(pdev, IORESOURCE_IO, 0);1387 if (!devm_request_region(&pdev->dev, res->start + ADDR_REG_OFFSET, 2,1388 DRVNAME)) {1389 dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n",1390 (unsigned long)(res->start + ADDR_REG_OFFSET),1391 (unsigned long)(res->start + ADDR_REG_OFFSET + 1));1392 return -EBUSY;1393 }1394 data->addr = res->start;1395 data->name = names[sio_data->kind];1396 mutex_init(&data->update_lock);1397 1398 platform_set_drvdata(pdev, data);1399 1400 /* Some voltage inputs depend on chip model and configuration */1401 switch (sio_data->kind) {1402 case f71805f:1403 data->has_in = 0x1ff;1404 break;1405 case f71872f:1406 data->has_in = 0x6ef;1407 if (sio_data->fnsel1 & 0x01)1408 data->has_in |= (1 << 4); /* in4 */1409 if (sio_data->fnsel1 & 0x02)1410 data->has_in |= (1 << 8); /* in8 */1411 break;1412 }1413 1414 /* Initialize the F71805F chip */1415 f71805f_init_device(data);1416 1417 /* Register sysfs interface files */1418 err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group);1419 if (err)1420 return err;1421 if (data->has_in & (1 << 4)) { /* in4 */1422 err = sysfs_create_group(&pdev->dev.kobj,1423 &f71805f_group_optin[0]);1424 if (err)1425 goto exit_remove_files;1426 }1427 if (data->has_in & (1 << 8)) { /* in8 */1428 err = sysfs_create_group(&pdev->dev.kobj,1429 &f71805f_group_optin[1]);1430 if (err)1431 goto exit_remove_files;1432 }1433 if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */1434 err = sysfs_create_group(&pdev->dev.kobj,1435 &f71805f_group_optin[2]);1436 if (err)1437 goto exit_remove_files;1438 }1439 if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */1440 err = sysfs_create_group(&pdev->dev.kobj,1441 &f71805f_group_optin[3]);1442 if (err)1443 goto exit_remove_files;1444 }1445 for (i = 0; i < 3; i++) {1446 /* If control mode is PWM, create pwm_freq file */1447 if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {1448 err = sysfs_create_file(&pdev->dev.kobj,1449 f71805f_attributes_pwm_freq[i]);1450 if (err)1451 goto exit_remove_files;1452 }1453 /* If PWM is in manual mode, add write permission */1454 if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {1455 err = sysfs_chmod_file(&pdev->dev.kobj,1456 f71805f_attr_pwm[i],1457 S_IRUGO | S_IWUSR);1458 if (err) {1459 dev_err(&pdev->dev, "chmod +w pwm%d failed\n",1460 i + 1);1461 goto exit_remove_files;1462 }1463 }1464 }1465 1466 data->hwmon_dev = hwmon_device_register(&pdev->dev);1467 if (IS_ERR(data->hwmon_dev)) {1468 err = PTR_ERR(data->hwmon_dev);1469 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);1470 goto exit_remove_files;1471 }1472 1473 return 0;1474 1475exit_remove_files:1476 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);1477 for (i = 0; i < 4; i++)1478 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);1479 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);1480 return err;1481}1482 1483static void f71805f_remove(struct platform_device *pdev)1484{1485 struct f71805f_data *data = platform_get_drvdata(pdev);1486 int i;1487 1488 hwmon_device_unregister(data->hwmon_dev);1489 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);1490 for (i = 0; i < 4; i++)1491 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);1492 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);1493}1494 1495static struct platform_driver f71805f_driver = {1496 .driver = {1497 .name = DRVNAME,1498 },1499 .probe = f71805f_probe,1500 .remove_new = f71805f_remove,1501};1502 1503static int __init f71805f_device_add(unsigned short address,1504 const struct f71805f_sio_data *sio_data)1505{1506 struct resource res = {1507 .start = address,1508 .end = address + REGION_LENGTH - 1,1509 .flags = IORESOURCE_IO,1510 };1511 int err;1512 1513 pdev = platform_device_alloc(DRVNAME, address);1514 if (!pdev) {1515 err = -ENOMEM;1516 pr_err("Device allocation failed\n");1517 goto exit;1518 }1519 1520 res.name = pdev->name;1521 err = acpi_check_resource_conflict(&res);1522 if (err)1523 goto exit_device_put;1524 1525 err = platform_device_add_resources(pdev, &res, 1);1526 if (err) {1527 pr_err("Device resource addition failed (%d)\n", err);1528 goto exit_device_put;1529 }1530 1531 err = platform_device_add_data(pdev, sio_data,1532 sizeof(struct f71805f_sio_data));1533 if (err) {1534 pr_err("Platform data allocation failed\n");1535 goto exit_device_put;1536 }1537 1538 err = platform_device_add(pdev);1539 if (err) {1540 pr_err("Device addition failed (%d)\n", err);1541 goto exit_device_put;1542 }1543 1544 return 0;1545 1546exit_device_put:1547 platform_device_put(pdev);1548exit:1549 return err;1550}1551 1552static int __init f71805f_find(int sioaddr, unsigned short *address,1553 struct f71805f_sio_data *sio_data)1554{1555 int err;1556 u16 devid;1557 1558 static const char * const names[] = {1559 "F71805F/FG",1560 "F71872F/FG or F71806F/FG",1561 };1562 1563 err = superio_enter(sioaddr);1564 if (err)1565 return err;1566 1567 err = -ENODEV;1568 devid = superio_inw(sioaddr, SIO_REG_MANID);1569 if (devid != SIO_FINTEK_ID)1570 goto exit;1571 1572 devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);1573 switch (devid) {1574 case SIO_F71805F_ID:1575 sio_data->kind = f71805f;1576 break;1577 case SIO_F71872F_ID:1578 sio_data->kind = f71872f;1579 sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1);1580 break;1581 default:1582 pr_info("Unsupported Fintek device, skipping\n");1583 goto exit;1584 }1585 1586 superio_select(sioaddr, F71805F_LD_HWM);1587 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {1588 pr_warn("Device not activated, skipping\n");1589 goto exit;1590 }1591 1592 *address = superio_inw(sioaddr, SIO_REG_ADDR);1593 if (*address == 0) {1594 pr_warn("Base address not set, skipping\n");1595 goto exit;1596 }1597 *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */1598 1599 err = 0;1600 pr_info("Found %s chip at %#x, revision %u\n",1601 names[sio_data->kind], *address,1602 superio_inb(sioaddr, SIO_REG_DEVREV));1603 1604exit:1605 superio_exit(sioaddr);1606 return err;1607}1608 1609static int __init f71805f_init(void)1610{1611 int err;1612 unsigned short address;1613 struct f71805f_sio_data sio_data;1614 1615 if (f71805f_find(0x2e, &address, &sio_data)1616 && f71805f_find(0x4e, &address, &sio_data))1617 return -ENODEV;1618 1619 err = platform_driver_register(&f71805f_driver);1620 if (err)1621 goto exit;1622 1623 /* Sets global pdev as a side effect */1624 err = f71805f_device_add(address, &sio_data);1625 if (err)1626 goto exit_driver;1627 1628 return 0;1629 1630exit_driver:1631 platform_driver_unregister(&f71805f_driver);1632exit:1633 return err;1634}1635 1636static void __exit f71805f_exit(void)1637{1638 platform_device_unregister(pdev);1639 platform_driver_unregister(&f71805f_driver);1640}1641 1642MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>");1643MODULE_LICENSE("GPL");1644MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver");1645 1646module_init(f71805f_init);1647module_exit(f71805f_exit);1648