OSCL-LXR linux-6.0.1/​drivers/​hwmon/​w83627hf.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
  *      monitoring
  * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
  *                Philip Edelbrock <phil@netroedge.com>,
  *                and Mark Studebaker <mdsxyz123@yahoo.com>
  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
  * Copyright (c) 2007 - 1012  Jean Delvare <jdelvare@suse.de>
  */
 
 /*
  * Supports following chips:
  *
  * Chip     #vin    #fanin  #pwm    #temp   wchipid vendid  i2c ISA
  * w83627hf 9   3   2   3   0x20    0x5ca3  no  yes(LPC)
  * w83627thf    7   3   3   3   0x90    0x5ca3  no  yes(LPC)
  * w83637hf 7   3   3   3   0x80    0x5ca3  no  yes(LPC)
  * w83687thf    7   3   3   3   0x90    0x5ca3  no  yes(LPC)
  * w83697hf 8   2   2   2   0x60    0x5ca3  no  yes(LPC)
  *
  * For other winbond chips, and for i2c support in the above chips,
  * use w83781d.c.
  *
  * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
  * supported yet.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/platform_device.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/ioport.h>
 #include <linux/acpi.h>
 #include <linux/io.h>
 #include "lm75.h"
 
 static struct platform_device *pdev;
 
 #define DRVNAME "w83627hf"
 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
 
 struct w83627hf_sio_data {
     enum chips type;
     int sioaddr;
 };
 
 static u8 force_i2c = 0x1f;
 module_param(force_i2c, byte, 0);
 MODULE_PARM_DESC(force_i2c,
          "Initialize the i2c address of the sensors");
 
 static bool init = 1;
 module_param(init, bool, 0);
 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
 
 static unsigned short force_id;
 module_param(force_id, ushort, 0);
 MODULE_PARM_DESC(force_id, "Override the detected device ID");
 
 /* modified from kernel/include/traps.c */
 #define DEV         0x07 /* Register: Logical device select */
 
 /* logical device numbers for superio_select (below) */
 #define W83627HF_LD_FDC     0x00
 #define W83627HF_LD_PRT     0x01
 #define W83627HF_LD_UART1   0x02
 #define W83627HF_LD_UART2   0x03
 #define W83627HF_LD_KBC     0x05
 #define W83627HF_LD_CIR     0x06 /* w83627hf only */
 #define W83627HF_LD_GAME    0x07
 #define W83627HF_LD_MIDI    0x07
 #define W83627HF_LD_GPIO1   0x07
 #define W83627HF_LD_GPIO5   0x07 /* w83627thf only */
 #define W83627HF_LD_GPIO2   0x08
 #define W83627HF_LD_GPIO3   0x09
 #define W83627HF_LD_GPIO4   0x09 /* w83627thf only */
 #define W83627HF_LD_ACPI    0x0a
 #define W83627HF_LD_HWM     0x0b
 
 #define DEVID           0x20 /* Register: Device ID */
 
 #define W83627THF_GPIO5_EN  0x30 /* w83627thf only */
 #define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
 #define W83627THF_GPIO5_DR  0xf4 /* w83627thf only */
 
 #define W83687THF_VID_EN    0x29 /* w83687thf only */
 #define W83687THF_VID_CFG   0xF0 /* w83687thf only */
 #define W83687THF_VID_DATA  0xF1 /* w83687thf only */
 
 static inline void
 superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
 {
     outb(reg, sio->sioaddr);
     outb(val, sio->sioaddr + 1);
 }
 
 static inline int
 superio_inb(struct w83627hf_sio_data *sio, int reg)
 {
     outb(reg, sio->sioaddr);
     return inb(sio->sioaddr + 1);
 }
 
 static inline void
 superio_select(struct w83627hf_sio_data *sio, int ld)
 {
     outb(DEV, sio->sioaddr);
     outb(ld,  sio->sioaddr + 1);
 }
 
 static inline int
 superio_enter(struct w83627hf_sio_data *sio)
 {
     if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
         return -EBUSY;
 
     outb(0x87, sio->sioaddr);
     outb(0x87, sio->sioaddr);
 
     return 0;
 }
 
 static inline void
 superio_exit(struct w83627hf_sio_data *sio)
 {
     outb(0xAA, sio->sioaddr);
     release_region(sio->sioaddr, 2);
 }
 
 #define W627_DEVID 0x52
 #define W627THF_DEVID 0x82
 #define W697_DEVID 0x60
 #define W637_DEVID 0x70
 #define W687THF_DEVID 0x85
 #define WINB_ACT_REG 0x30
 #define WINB_BASE_REG 0x60
 /* Constants specified below */
 
 /* Alignment of the base address */
 #define WINB_ALIGNMENT      ~7
 
 /* Offset & size of I/O region we are interested in */
 #define WINB_REGION_OFFSET  5
 #define WINB_REGION_SIZE    2
 
 /* Where are the sensors address/data registers relative to the region offset */
 #define W83781D_ADDR_REG_OFFSET 0
 #define W83781D_DATA_REG_OFFSET 1
 
 /* The W83781D registers */
 /* The W83782D registers for nr=7,8 are in bank 5 */
 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
                        (0x554 + (((nr) - 7) * 2)))
 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
                        (0x555 + (((nr) - 7) * 2)))
 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
                        (0x550 + (nr) - 7))
 
 /* nr:0-2 for fans:1-3 */
 #define W83627HF_REG_FAN_MIN(nr)    (0x3b + (nr))
 #define W83627HF_REG_FAN(nr)        (0x28 + (nr))
 
 #define W83627HF_REG_TEMP2_CONFIG 0x152
 #define W83627HF_REG_TEMP3_CONFIG 0x252
 /* these are zero-based, unlike config constants above */
 static const u16 w83627hf_reg_temp[]        = { 0x27, 0x150, 0x250 };
 static const u16 w83627hf_reg_temp_hyst[]   = { 0x3A, 0x153, 0x253 };
 static const u16 w83627hf_reg_temp_over[]   = { 0x39, 0x155, 0x255 };
 
 #define W83781D_REG_BANK 0x4E
 
 #define W83781D_REG_CONFIG 0x40
 #define W83781D_REG_ALARM1 0x459
 #define W83781D_REG_ALARM2 0x45A
 #define W83781D_REG_ALARM3 0x45B
 
 #define W83781D_REG_BEEP_CONFIG 0x4D
 #define W83781D_REG_BEEP_INTS1 0x56
 #define W83781D_REG_BEEP_INTS2 0x57
 #define W83781D_REG_BEEP_INTS3 0x453
 
 #define W83781D_REG_VID_FANDIV 0x47
 
 #define W83781D_REG_CHIPID 0x49
 #define W83781D_REG_WCHIPID 0x58
 #define W83781D_REG_CHIPMAN 0x4F
 #define W83781D_REG_PIN 0x4B
 
 #define W83781D_REG_VBAT 0x5D
 
 #define W83627HF_REG_PWM1 0x5A
 #define W83627HF_REG_PWM2 0x5B
 
 static const u8 W83627THF_REG_PWM_ENABLE[] = {
     0x04,       /* FAN 1 mode */
     0x04,       /* FAN 2 mode */
     0x12,       /* FAN AUX mode */
 };
 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
 
 #define W83627THF_REG_PWM1      0x01    /* 697HF/637HF/687THF too */
 #define W83627THF_REG_PWM2      0x03    /* 697HF/637HF/687THF too */
 #define W83627THF_REG_PWM3      0x11    /* 637HF/687THF too */
 
 #define W83627THF_REG_VRM_OVT_CFG   0x18    /* 637HF/687THF too */
 
 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
                              W83627THF_REG_PWM3 };
 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
                     regpwm_627hf[nr] : regpwm[nr])
 
 #define W83627HF_REG_PWM_FREQ       0x5C    /* Only for the 627HF */
 
 #define W83637HF_REG_PWM_FREQ1      0x00    /* 697HF/687THF too */
 #define W83637HF_REG_PWM_FREQ2      0x02    /* 697HF/687THF too */
 #define W83637HF_REG_PWM_FREQ3      0x10    /* 687THF too */
 
 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
                     W83637HF_REG_PWM_FREQ2,
                     W83637HF_REG_PWM_FREQ3 };
 
 #define W83627HF_BASE_PWM_FREQ  46870
 
 #define W83781D_REG_I2C_ADDR 0x48
 #define W83781D_REG_I2C_SUBADDR 0x4A
 
 /* Sensor selection */
 #define W83781D_REG_SCFG1 0x5D
 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 #define W83781D_REG_SCFG2 0x59
 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 #define W83781D_DEFAULT_BETA 3435
 
 /*
  * Conversions. Limit checking is only done on the TO_REG
  * variants. Note that you should be a bit careful with which arguments
  * these macros are called: arguments may be evaluated more than once.
  * Fixing this is just not worth it.
  */
 #define IN_TO_REG(val)  (clamp_val((((val) + 8) / 16), 0, 255))
 #define IN_FROM_REG(val) ((val) * 16)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
     if (rpm == 0)
         return 255;
     rpm = clamp_val(rpm, 1, 1000000);
     return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
 #define TEMP_MIN (-128000)
 #define TEMP_MAX ( 127000)
 
 /*
  * TEMP: 0.001C/bit (-128C to +127C)
  * REG: 1C/bit, two's complement
  */
 static u8 TEMP_TO_REG(long temp)
 {
     int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
     ntemp += (ntemp < 0 ? -500 : 500);
     return (u8)(ntemp / 1000);
 }
 
 static int TEMP_FROM_REG(u8 reg)
 {
         return (s8)reg * 1000;
 }
 
 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
 
 #define PWM_TO_REG(val) (clamp_val((val), 0, 255))
 
 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 {
     unsigned long freq;
     freq = W83627HF_BASE_PWM_FREQ >> reg;
     return freq;
 }
 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 {
     u8 i;
     /*
      * Only 5 dividers (1 2 4 8 16)
      * Search for the nearest available frequency
      */
     for (i = 0; i < 4; i++) {
         if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
                 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
             break;
     }
     return i;
 }
 
 static inline unsigned long pwm_freq_from_reg(u8 reg)
 {
     /* Clock bit 8 -> 180 kHz or 24 MHz */
     unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
 
     reg &= 0x7f;
     /* This should not happen but anyway... */
     if (reg == 0)
         reg++;
     return clock / (reg << 8);
 }
 static inline u8 pwm_freq_to_reg(unsigned long val)
 {
     /* Minimum divider value is 0x01 and maximum is 0x7F */
     if (val >= 93750)   /* The highest we can do */
         return 0x01;
     if (val >= 720) /* Use 24 MHz clock */
         return 24000000UL / (val << 8);
     if (val < 6)        /* The lowest we can do */
         return 0xFF;
     else            /* Use 180 kHz clock */
         return 0x80 | (180000UL / (val << 8));
 }
 
 #define BEEP_MASK_FROM_REG(val)     ((val) & 0xff7fff)
 #define BEEP_MASK_TO_REG(val)       ((val) & 0xff7fff)
 
 #define DIV_FROM_REG(val) (1 << (val))
 
 static inline u8 DIV_TO_REG(long val)
 {
     int i;
     val = clamp_val(val, 1, 128) >> 1;
     for (i = 0; i < 7; i++) {
         if (val == 0)
             break;
         val >>= 1;
     }
     return (u8)i;
 }
 
 /*
  * For each registered chip, we need to keep some data in memory.
  * The structure is dynamically allocated.
  */
 struct w83627hf_data {
     unsigned short addr;
     const char *name;
     struct device *hwmon_dev;
     struct mutex lock;
     enum chips type;
 
     struct mutex update_lock;
     bool valid;     /* true if following fields are valid */
     unsigned long last_updated; /* In jiffies */
 
     u8 in[9];       /* Register value */
     u8 in_max[9];       /* Register value */
     u8 in_min[9];       /* Register value */
     u8 fan[3];      /* Register value */
     u8 fan_min[3];      /* Register value */
     u16 temp[3];        /* Register value */
     u16 temp_max[3];    /* Register value */
     u16 temp_max_hyst[3];   /* Register value */
     u8 fan_div[3];      /* Register encoding, shifted right */
     u8 vid;         /* Register encoding, combined */
     u32 alarms;     /* Register encoding, combined */
     u32 beep_mask;      /* Register encoding, combined */
     u8 pwm[3];      /* Register value */
     u8 pwm_enable[3];   /* 1 = manual
                  * 2 = thermal cruise (also called SmartFan I)
                  * 3 = fan speed cruise
                  */
     u8 pwm_freq[3];     /* Register value */
     u16 sens[3];        /* 1 = pentium diode; 2 = 3904 diode;
                  * 4 = thermistor
                  */
     u8 vrm;
     u8 vrm_ovt;     /* Register value, 627THF/637HF/687THF only */
 
 #ifdef CONFIG_PM
     /* Remember extra register values over suspend/resume */
     u8 scfg1;
     u8 scfg2;
 #endif
 };
 
 static int w83627hf_probe(struct platform_device *pdev);
 static int w83627hf_remove(struct platform_device *pdev);
 
 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
 static void w83627hf_update_fan_div(struct w83627hf_data *data);
 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 static void w83627hf_init_device(struct platform_device *pdev);
 
 #ifdef CONFIG_PM
 static int w83627hf_suspend(struct device *dev)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
 
     mutex_lock(&data->update_lock);
     data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
     data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
     mutex_unlock(&data->update_lock);
 
     return 0;
 }
 
 static int w83627hf_resume(struct device *dev)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     int i, num_temps = (data->type == w83697hf) ? 2 : 3;
 
     /* Restore limits */
     mutex_lock(&data->update_lock);
     for (i = 0; i <= 8; i++) {
         /* skip missing sensors */
         if (((data->type == w83697hf) && (i == 1)) ||
             ((data->type != w83627hf && data->type != w83697hf)
             && (i == 5 || i == 6)))
             continue;
         w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
                      data->in_max[i]);
         w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
                      data->in_min[i]);
     }
     for (i = 0; i <= 2; i++)
         w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
                      data->fan_min[i]);
     for (i = 0; i < num_temps; i++) {
         w83627hf_write_value(data, w83627hf_reg_temp_over[i],
                      data->temp_max[i]);
         w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
                      data->temp_max_hyst[i]);
     }
 
     /* Fixup BIOS bugs */
     if (data->type == w83627thf || data->type == w83637hf ||
         data->type == w83687thf)
         w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
                      data->vrm_ovt);
     w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
     w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
 
     /* Force re-reading all values */
     data->valid = false;
     mutex_unlock(&data->update_lock);
 
     return 0;
 }
 
 static const struct dev_pm_ops w83627hf_dev_pm_ops = {
     .suspend = w83627hf_suspend,
     .resume = w83627hf_resume,
 };
 
 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops)
 #else
 #define W83627HF_DEV_PM_OPS NULL
 #endif /* CONFIG_PM */
 
 static struct platform_driver w83627hf_driver = {
     .driver = {
         .name   = DRVNAME,
         .pm = W83627HF_DEV_PM_OPS,
     },
     .probe      = w83627hf_probe,
     .remove     = w83627hf_remove,
 };
 
 static ssize_t
 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
 }
 static ssize_t
 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
 }
 static ssize_t
 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
 }
 static ssize_t
 in_min_store(struct device *dev, struct device_attribute *devattr,
          const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     long val;
     int err;
 
     err = kstrtol(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
     data->in_min[nr] = IN_TO_REG(val);
     w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
     mutex_unlock(&data->update_lock);
     return count;
 }
 static ssize_t
 in_max_store(struct device *dev, struct device_attribute *devattr,
          const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     long val;
     int err;
 
     err = kstrtol(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
     data->in_max[nr] = IN_TO_REG(val);
     w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
 
 /* use a different set of functions for in0 */
 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
 {
     long in0;
 
     if ((data->vrm_ovt & 0x01) &&
         (w83627thf == data->type || w83637hf == data->type
          || w83687thf == data->type))
 
         /* use VRM9 calculation */
         in0 = (long)((reg * 488 + 70000 + 50) / 100);
     else
         /* use VRM8 (standard) calculation */
         in0 = (long)IN_FROM_REG(reg);
 
     return sprintf(buf,"%ld\n", in0);
 }
 
 static ssize_t in0_input_show(struct device *dev,
                   struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return show_in_0(data, buf, data->in[0]);
 }
 
 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
                 char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return show_in_0(data, buf, data->in_min[0]);
 }
 
 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
                 char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return show_in_0(data, buf, data->in_max[0]);
 }
 
 static ssize_t in0_min_store(struct device *dev,
                  struct device_attribute *attr, const char *buf,
                  size_t count)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
     
     if ((data->vrm_ovt & 0x01) &&
         (w83627thf == data->type || w83637hf == data->type
          || w83687thf == data->type))
 
         /* use VRM9 calculation */
         data->in_min[0] =
             clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
     else
         /* use VRM8 (standard) calculation */
         data->in_min[0] = IN_TO_REG(val);
 
     w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static ssize_t in0_max_store(struct device *dev,
                  struct device_attribute *attr, const char *buf,
                  size_t count)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     if ((data->vrm_ovt & 0x01) &&
         (w83627thf == data->type || w83637hf == data->type
          || w83687thf == data->type))
         
         /* use VRM9 calculation */
         data->in_max[0] =
             clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
     else
         /* use VRM8 (standard) calculation */
         data->in_max[0] = IN_TO_REG(val);
 
     w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static DEVICE_ATTR_RO(in0_input);
 static DEVICE_ATTR_RW(in0_min);
 static DEVICE_ATTR_RW(in0_max);
 
 static ssize_t
 fan_input_show(struct device *dev, struct device_attribute *devattr,
            char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
                 (long)DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t
 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
                 (long)DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t
 fan_min_store(struct device *dev, struct device_attribute *devattr,
           const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
     data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
     w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
                  data->fan_min[nr]);
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
 
 static ssize_t
 temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
 
     u16 tmp = data->temp[nr];
     return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
                       : (long) TEMP_FROM_REG(tmp));
 }
 
 static ssize_t
 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
 
     u16 tmp = data->temp_max[nr];
     return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
                       : (long) TEMP_FROM_REG(tmp));
 }
 
 static ssize_t
 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
            char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
 
     u16 tmp = data->temp_max_hyst[nr];
     return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
                       : (long) TEMP_FROM_REG(tmp));
 }
 
 static ssize_t
 temp_max_store(struct device *dev, struct device_attribute *devattr,
            const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     u16 tmp;
     long val;
     int err;
 
     err = kstrtol(buf, 10, &val);
     if (err)
         return err;
 
     tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
     mutex_lock(&data->update_lock);
     data->temp_max[nr] = tmp;
     w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static ssize_t
 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
             const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     u16 tmp;
     long val;
     int err;
 
     err = kstrtol(buf, 10, &val);
     if (err)
         return err;
 
     tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
     mutex_lock(&data->update_lock);
     data->temp_max_hyst[nr] = tmp;
     w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
 
 static ssize_t
 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
 }
 static DEVICE_ATTR_RO(cpu0_vid);
 
 static ssize_t
 vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     return sprintf(buf, "%ld\n", (long) data->vrm);
 }
 static ssize_t
 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
       size_t count)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     if (val > 255)
         return -EINVAL;
     data->vrm = val;
 
     return count;
 }
 static DEVICE_ATTR_RW(vrm);
 
 static ssize_t
 alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long) data->alarms);
 }
 static DEVICE_ATTR_RO(alarms);
 
 static ssize_t
 alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     int bitnr = to_sensor_dev_attr(attr)->index;
     return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 }
 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
 
 static ssize_t
 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n",
               (long)BEEP_MASK_FROM_REG(data->beep_mask));
 }
 
 static ssize_t
 beep_mask_store(struct device *dev, struct device_attribute *attr,
         const char *buf, size_t count)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     /* preserve beep enable */
     data->beep_mask = (data->beep_mask & 0x8000)
             | BEEP_MASK_TO_REG(val);
     w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
                 data->beep_mask & 0xff);
     w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
                 ((data->beep_mask) >> 16) & 0xff);
     w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
                 (data->beep_mask >> 8) & 0xff);
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static DEVICE_ATTR_RW(beep_mask);
 
 static ssize_t
 beep_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
     struct w83627hf_data *data = w83627hf_update_device(dev);
     int bitnr = to_sensor_dev_attr(attr)->index;
     return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
 }
 
 static ssize_t
 beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
        size_t count)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     int bitnr = to_sensor_dev_attr(attr)->index;
     u8 reg;
     unsigned long bit;
     int err;
 
     err = kstrtoul(buf, 10, &bit);
     if (err)
         return err;
 
     if (bit & ~1)
         return -EINVAL;
 
     mutex_lock(&data->update_lock);
     if (bit)
         data->beep_mask |= (1 << bitnr);
     else
         data->beep_mask &= ~(1 << bitnr);
 
     if (bitnr < 8) {
         reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
         if (bit)
             reg |= (1 << bitnr);
         else
             reg &= ~(1 << bitnr);
         w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
     } else if (bitnr < 16) {
         reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
         if (bit)
             reg |= (1 << (bitnr - 8));
         else
             reg &= ~(1 << (bitnr - 8));
         w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
     } else {
         reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
         if (bit)
             reg |= (1 << (bitnr - 16));
         else
             reg &= ~(1 << (bitnr - 16));
         w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
     }
     mutex_unlock(&data->update_lock);
 
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
 
 static ssize_t
 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n",
                (long) DIV_FROM_REG(data->fan_div[nr]));
 }
 /*
  * Note: we save and restore the fan minimum here, because its value is
  * determined in part by the fan divisor.  This follows the principle of
  * least surprise; the user doesn't expect the fan minimum to change just
  * because the divisor changed.
  */
 static ssize_t
 fan_div_store(struct device *dev, struct device_attribute *devattr,
           const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long min;
     u8 reg;
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     /* Save fan_min */
     min = FAN_FROM_REG(data->fan_min[nr],
                DIV_FROM_REG(data->fan_div[nr]));
 
     data->fan_div[nr] = DIV_TO_REG(val);
 
     reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
            & (nr==0 ? 0xcf : 0x3f))
         | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
     w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 
     reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
            & ~(1 << (5 + nr)))
         | ((data->fan_div[nr] & 0x04) << (3 + nr));
     w83627hf_write_value(data, W83781D_REG_VBAT, reg);
 
     /* Restore fan_min */
     data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
     w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
 
 static ssize_t
 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
 }
 
 static ssize_t
 pwm_store(struct device *dev, struct device_attribute *devattr,
       const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     if (data->type == w83627thf) {
         /* bits 0-3 are reserved  in 627THF */
         data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
         w83627hf_write_value(data,
                      W836X7HF_REG_PWM(data->type, nr),
                      data->pwm[nr] |
                      (w83627hf_read_value(data,
                      W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
     } else {
         data->pwm[nr] = PWM_TO_REG(val);
         w83627hf_write_value(data,
                      W836X7HF_REG_PWM(data->type, nr),
                      data->pwm[nr]);
     }
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
 
 static ssize_t
 pwm_enable_show(struct device *dev, struct device_attribute *devattr,
         char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%d\n", data->pwm_enable[nr]);
 }
 
 static ssize_t
 pwm_enable_store(struct device *dev, struct device_attribute *devattr,
          const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     u8 reg;
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     if (!val || val > 3)    /* modes 1, 2 and 3 are supported */
         return -EINVAL;
     mutex_lock(&data->update_lock);
     data->pwm_enable[nr] = val;
     reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
     reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
     reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
     w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
 
 static ssize_t
 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     if (data->type == w83627hf)
         return sprintf(buf, "%ld\n",
             pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
     else
         return sprintf(buf, "%ld\n",
             pwm_freq_from_reg(data->pwm_freq[nr]));
 }
 
 static ssize_t
 pwm_freq_store(struct device *dev, struct device_attribute *devattr,
            const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     static const u8 mask[]={0xF8, 0x8F};
     unsigned long val;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     if (data->type == w83627hf) {
         data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
         w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
                 (data->pwm_freq[nr] << (nr*4)) |
                 (w83627hf_read_value(data,
                 W83627HF_REG_PWM_FREQ) & mask[nr]));
     } else {
         data->pwm_freq[nr] = pwm_freq_to_reg(val);
         w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
                 data->pwm_freq[nr]);
     }
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
 
 static ssize_t
 temp_type_show(struct device *dev, struct device_attribute *devattr,
            char *buf)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = w83627hf_update_device(dev);
     return sprintf(buf, "%ld\n", (long) data->sens[nr]);
 }
 
 static ssize_t
 temp_type_store(struct device *dev, struct device_attribute *devattr,
         const char *buf, size_t count)
 {
     int nr = to_sensor_dev_attr(devattr)->index;
     struct w83627hf_data *data = dev_get_drvdata(dev);
     unsigned long val;
     u32 tmp;
     int err;
 
     err = kstrtoul(buf, 10, &val);
     if (err)
         return err;
 
     mutex_lock(&data->update_lock);
 
     switch (val) {
     case 1:     /* PII/Celeron diode */
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
         w83627hf_write_value(data, W83781D_REG_SCFG1,
                     tmp | BIT_SCFG1[nr]);
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
         w83627hf_write_value(data, W83781D_REG_SCFG2,
                     tmp | BIT_SCFG2[nr]);
         data->sens[nr] = val;
         break;
     case 2:     /* 3904 */
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
         w83627hf_write_value(data, W83781D_REG_SCFG1,
                     tmp | BIT_SCFG1[nr]);
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
         w83627hf_write_value(data, W83781D_REG_SCFG2,
                     tmp & ~BIT_SCFG2[nr]);
         data->sens[nr] = val;
         break;
     case W83781D_DEFAULT_BETA:
         dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
              "instead\n", W83781D_DEFAULT_BETA);
         fallthrough;
     case 4:     /* thermistor */
         tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
         w83627hf_write_value(data, W83781D_REG_SCFG1,
                     tmp & ~BIT_SCFG1[nr]);
         data->sens[nr] = val;
         break;
     default:
         dev_err(dev,
                "Invalid sensor type %ld; must be 1, 2, or 4\n",
                (long) val);
         break;
     }
 
     mutex_unlock(&data->update_lock);
     return count;
 }
 
 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
 
 static ssize_t
 name_show(struct device *dev, struct device_attribute *devattr, char *buf)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
 
     return sprintf(buf, "%s\n", data->name);
 }
 static DEVICE_ATTR_RO(name);
 
 static int __init w83627hf_find(int sioaddr, unsigned short *addr,
                 struct w83627hf_sio_data *sio_data)
 {
     int err;
     u16 val;
 
     static __initconst char *const names[] = {
         "W83627HF",
         "W83627THF",
         "W83697HF",
         "W83637HF",
         "W83687THF",
     };
 
     sio_data->sioaddr = sioaddr;
     err = superio_enter(sio_data);
     if (err)
         return err;
 
     err = -ENODEV;
     val = force_id ? force_id : superio_inb(sio_data, DEVID);
     switch (val) {
     case W627_DEVID:
         sio_data->type = w83627hf;
         break;
     case W627THF_DEVID:
         sio_data->type = w83627thf;
         break;
     case W697_DEVID:
         sio_data->type = w83697hf;
         break;
     case W637_DEVID:
         sio_data->type = w83637hf;
         break;
     case W687THF_DEVID:
         sio_data->type = w83687thf;
         break;
     case 0xff:  /* No device at all */
         goto exit;
     default:
         pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
         goto exit;
     }
 
     superio_select(sio_data, W83627HF_LD_HWM);
     val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
            superio_inb(sio_data, WINB_BASE_REG + 1);
     *addr = val & WINB_ALIGNMENT;
     if (*addr == 0) {
         pr_warn("Base address not set, skipping\n");
         goto exit;
     }
 
     val = superio_inb(sio_data, WINB_ACT_REG);
     if (!(val & 0x01)) {
         pr_warn("Enabling HWM logical device\n");
         superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
     }
 
     err = 0;
     pr_info(DRVNAME ": Found %s chip at %#x\n",
         names[sio_data->type], *addr);
 
  exit:
     superio_exit(sio_data);
     return err;
 }
 
 #define VIN_UNIT_ATTRS(_X_) \
     &sensor_dev_attr_in##_X_##_input.dev_attr.attr,     \
     &sensor_dev_attr_in##_X_##_min.dev_attr.attr,       \
     &sensor_dev_attr_in##_X_##_max.dev_attr.attr,       \
     &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr,     \
     &sensor_dev_attr_in##_X_##_beep.dev_attr.attr
 
 #define FAN_UNIT_ATTRS(_X_) \
     &sensor_dev_attr_fan##_X_##_input.dev_attr.attr,    \
     &sensor_dev_attr_fan##_X_##_min.dev_attr.attr,      \
     &sensor_dev_attr_fan##_X_##_div.dev_attr.attr,      \
     &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr,    \
     &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
 
 #define TEMP_UNIT_ATTRS(_X_)    \
     &sensor_dev_attr_temp##_X_##_input.dev_attr.attr,   \
     &sensor_dev_attr_temp##_X_##_max.dev_attr.attr,     \
     &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr,    \
     &sensor_dev_attr_temp##_X_##_type.dev_attr.attr,    \
     &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr,   \
     &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
 
 static struct attribute *w83627hf_attributes[] = {
     &dev_attr_in0_input.attr,
     &dev_attr_in0_min.attr,
     &dev_attr_in0_max.attr,
     &sensor_dev_attr_in0_alarm.dev_attr.attr,
     &sensor_dev_attr_in0_beep.dev_attr.attr,
     VIN_UNIT_ATTRS(2),
     VIN_UNIT_ATTRS(3),
     VIN_UNIT_ATTRS(4),
     VIN_UNIT_ATTRS(7),
     VIN_UNIT_ATTRS(8),
 
     FAN_UNIT_ATTRS(1),
     FAN_UNIT_ATTRS(2),
 
     TEMP_UNIT_ATTRS(1),
     TEMP_UNIT_ATTRS(2),
 
     &dev_attr_alarms.attr,
     &sensor_dev_attr_beep_enable.dev_attr.attr,
     &dev_attr_beep_mask.attr,
 
     &sensor_dev_attr_pwm1.dev_attr.attr,
     &sensor_dev_attr_pwm2.dev_attr.attr,
     &dev_attr_name.attr,
     NULL
 };
 
 static const struct attribute_group w83627hf_group = {
     .attrs = w83627hf_attributes,
 };
 
 static struct attribute *w83627hf_attributes_opt[] = {
     VIN_UNIT_ATTRS(1),
     VIN_UNIT_ATTRS(5),
     VIN_UNIT_ATTRS(6),
 
     FAN_UNIT_ATTRS(3),
     TEMP_UNIT_ATTRS(3),
     &sensor_dev_attr_pwm3.dev_attr.attr,
 
     &sensor_dev_attr_pwm1_freq.dev_attr.attr,
     &sensor_dev_attr_pwm2_freq.dev_attr.attr,
     &sensor_dev_attr_pwm3_freq.dev_attr.attr,
 
     &sensor_dev_attr_pwm1_enable.dev_attr.attr,
     &sensor_dev_attr_pwm2_enable.dev_attr.attr,
     &sensor_dev_attr_pwm3_enable.dev_attr.attr,
 
     NULL
 };
 
 static const struct attribute_group w83627hf_group_opt = {
     .attrs = w83627hf_attributes_opt,
 };
 
 static int w83627hf_probe(struct platform_device *pdev)
 {
     struct device *dev = &pdev->dev;
     struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
     struct w83627hf_data *data;
     struct resource *res;
     int err, i;
 
     static const char *names[] = {
         "w83627hf",
         "w83627thf",
         "w83697hf",
         "w83637hf",
         "w83687thf",
     };
 
     res = platform_get_resource(pdev, IORESOURCE_IO, 0);
     if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
         dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
             (unsigned long)res->start,
             (unsigned long)(res->start + WINB_REGION_SIZE - 1));
         return -EBUSY;
     }
 
     data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
     if (!data)
         return -ENOMEM;
 
     data->addr = res->start;
     data->type = sio_data->type;
     data->name = names[sio_data->type];
     mutex_init(&data->lock);
     mutex_init(&data->update_lock);
     platform_set_drvdata(pdev, data);
 
     /* Initialize the chip */
     w83627hf_init_device(pdev);
 
     /* A few vars need to be filled upon startup */
     for (i = 0; i <= 2; i++)
         data->fan_min[i] = w83627hf_read_value(
                     data, W83627HF_REG_FAN_MIN(i));
     w83627hf_update_fan_div(data);
 
     /* Register common device attributes */
     err = sysfs_create_group(&dev->kobj, &w83627hf_group);
     if (err)
         return err;
 
     /* Register chip-specific device attributes */
     if (data->type == w83627hf || data->type == w83697hf)
         if ((err = device_create_file(dev,
                 &sensor_dev_attr_in5_input.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in5_min.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in5_max.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in5_alarm.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in5_beep.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in6_input.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in6_min.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in6_max.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in6_alarm.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in6_beep.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_pwm1_freq.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_pwm2_freq.dev_attr)))
             goto error;
 
     if (data->type != w83697hf)
         if ((err = device_create_file(dev,
                 &sensor_dev_attr_in1_input.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in1_min.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in1_max.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in1_alarm.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_in1_beep.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_fan3_input.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_fan3_min.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_fan3_div.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_fan3_alarm.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_fan3_beep.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_input.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_max.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_max_hyst.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_alarm.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_beep.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_temp3_type.dev_attr)))
             goto error;
 
     if (data->type != w83697hf && data->vid != 0xff) {
         /* Convert VID to voltage based on VRM */
         data->vrm = vid_which_vrm();
 
         if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
          || (err = device_create_file(dev, &dev_attr_vrm)))
             goto error;
     }
 
     if (data->type == w83627thf || data->type == w83637hf
         || data->type == w83687thf) {
         err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
         if (err)
             goto error;
     }
 
     if (data->type == w83637hf || data->type == w83687thf)
         if ((err = device_create_file(dev,
                 &sensor_dev_attr_pwm1_freq.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_pwm2_freq.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_pwm3_freq.dev_attr)))
             goto error;
 
     if (data->type != w83627hf)
         if ((err = device_create_file(dev,
                 &sensor_dev_attr_pwm1_enable.dev_attr))
          || (err = device_create_file(dev,
                 &sensor_dev_attr_pwm2_enable.dev_attr)))
             goto error;
 
     if (data->type == w83627thf || data->type == w83637hf
         || data->type == w83687thf) {
         err = device_create_file(dev,
                      &sensor_dev_attr_pwm3_enable.dev_attr);
         if (err)
             goto error;
     }
 
     data->hwmon_dev = hwmon_device_register(dev);
     if (IS_ERR(data->hwmon_dev)) {
         err = PTR_ERR(data->hwmon_dev);
         goto error;
     }
 
     return 0;
 
  error:
     sysfs_remove_group(&dev->kobj, &w83627hf_group);
     sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
     return err;
 }
 
 static int w83627hf_remove(struct platform_device *pdev)
 {
     struct w83627hf_data *data = platform_get_drvdata(pdev);
 
     hwmon_device_unregister(data->hwmon_dev);
 
     sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
     sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
 
     return 0;
 }
 
 /* Registers 0x50-0x5f are banked */
 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
 {
     if ((reg & 0x00f0) == 0x50) {
         outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
         outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
     }
 }
 
 /* Not strictly necessary, but play it safe for now */
 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
 {
     if (reg & 0xff00) {
         outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
         outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
     }
 }
 
 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
 {
     int res, word_sized;
 
     mutex_lock(&data->lock);
     word_sized = (((reg & 0xff00) == 0x100)
            || ((reg & 0xff00) == 0x200))
           && (((reg & 0x00ff) == 0x50)
            || ((reg & 0x00ff) == 0x53)
            || ((reg & 0x00ff) == 0x55));
     w83627hf_set_bank(data, reg);
     outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
     res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
     if (word_sized) {
         outb_p((reg & 0xff) + 1,
                data->addr + W83781D_ADDR_REG_OFFSET);
         res =
             (res << 8) + inb_p(data->addr +
                        W83781D_DATA_REG_OFFSET);
     }
     w83627hf_reset_bank(data, reg);
     mutex_unlock(&data->lock);
     return res;
 }
 
 static int w83627thf_read_gpio5(struct platform_device *pdev)
 {
     struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
     int res = 0xff, sel;
 
     if (superio_enter(sio_data)) {
         /*
          * Some other driver reserved the address space for itself.
          * We don't want to fail driver instantiation because of that,
          * so display a warning and keep going.
          */
         dev_warn(&pdev->dev,
              "Can not read VID data: Failed to enable SuperIO access\n");
         return res;
     }
 
     superio_select(sio_data, W83627HF_LD_GPIO5);
 
     res = 0xff;
 
     /* Make sure these GPIO pins are enabled */
     if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
         dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
         goto exit;
     }
 
     /*
      * Make sure the pins are configured for input
      * There must be at least five (VRM 9), and possibly 6 (VRM 10)
      */
     sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
     if ((sel & 0x1f) != 0x1f) {
         dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
             "function\n");
         goto exit;
     }
 
     dev_info(&pdev->dev, "Reading VID from GPIO5\n");
     res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
 
 exit:
     superio_exit(sio_data);
     return res;
 }
 
 static int w83687thf_read_vid(struct platform_device *pdev)
 {
     struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
     int res = 0xff;
 
     if (superio_enter(sio_data)) {
         /*
          * Some other driver reserved the address space for itself.
          * We don't want to fail driver instantiation because of that,
          * so display a warning and keep going.
          */
         dev_warn(&pdev->dev,
              "Can not read VID data: Failed to enable SuperIO access\n");
         return res;
     }
 
     superio_select(sio_data, W83627HF_LD_HWM);
 
     /* Make sure these GPIO pins are enabled */
     if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
         dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
         goto exit;
     }
 
     /* Make sure the pins are configured for input */
     if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
         dev_dbg(&pdev->dev, "VID configured as output, "
             "no VID function\n");
         goto exit;
     }
 
     res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
 
 exit:
     superio_exit(sio_data);
     return res;
 }
 
 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
 {
     int word_sized;
 
     mutex_lock(&data->lock);
     word_sized = (((reg & 0xff00) == 0x100)
            || ((reg & 0xff00) == 0x200))
           && (((reg & 0x00ff) == 0x53)
            || ((reg & 0x00ff) == 0x55));
     w83627hf_set_bank(data, reg);
     outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
     if (word_sized) {
         outb_p(value >> 8,
                data->addr + W83781D_DATA_REG_OFFSET);
         outb_p((reg & 0xff) + 1,
                data->addr + W83781D_ADDR_REG_OFFSET);
     }
     outb_p(value & 0xff,
            data->addr + W83781D_DATA_REG_OFFSET);
     w83627hf_reset_bank(data, reg);
     mutex_unlock(&data->lock);
     return 0;
 }
 
 static void w83627hf_init_device(struct platform_device *pdev)
 {
     struct w83627hf_data *data = platform_get_drvdata(pdev);
     int i;
     enum chips type = data->type;
     u8 tmp;
 
     /* Minimize conflicts with other winbond i2c-only clients...  */
     /* disable i2c subclients... how to disable main i2c client?? */
     /* force i2c address to relatively uncommon address */
     if (type == w83627hf) {
         w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
         w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
     }
 
     /* Read VID only once */
     if (type == w83627hf || type == w83637hf) {
         int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
         int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
         data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
     } else if (type == w83627thf) {
         data->vid = w83627thf_read_gpio5(pdev);
     } else if (type == w83687thf) {
         data->vid = w83687thf_read_vid(pdev);
     }
 
     /* Read VRM & OVT Config only once */
     if (type == w83627thf || type == w83637hf || type == w83687thf) {
         data->vrm_ovt = 
             w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
     }
 
     tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
     for (i = 1; i <= 3; i++) {
         if (!(tmp & BIT_SCFG1[i - 1])) {
             data->sens[i - 1] = 4;
         } else {
             if (w83627hf_read_value
                 (data,
                  W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
                 data->sens[i - 1] = 1;
             else
                 data->sens[i - 1] = 2;
         }
         if ((type == w83697hf) && (i == 2))
             break;
     }
 
     if(init) {
         /* Enable temp2 */
         tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
         if (tmp & 0x01) {
             dev_warn(&pdev->dev, "Enabling temp2, readings "
                  "might not make sense\n");
             w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
                 tmp & 0xfe);
         }
 
         /* Enable temp3 */
         if (type != w83697hf) {
             tmp = w83627hf_read_value(data,
                 W83627HF_REG_TEMP3_CONFIG);
             if (tmp & 0x01) {
                 dev_warn(&pdev->dev, "Enabling temp3, "
                      "readings might not make sense\n");
                 w83627hf_write_value(data,
                     W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
             }
         }
     }
 
     /* Start monitoring */
     w83627hf_write_value(data, W83781D_REG_CONFIG,
                 (w83627hf_read_value(data,
                         W83781D_REG_CONFIG) & 0xf7)
                 | 0x01);
 
     /* Enable VBAT monitoring if needed */
     tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
     if (!(tmp & 0x01))
         w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
 }
 
 static void w83627hf_update_fan_div(struct w83627hf_data *data)
 {
     int reg;
 
     reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
     data->fan_div[0] = (reg >> 4) & 0x03;
     data->fan_div[1] = (reg >> 6) & 0x03;
     if (data->type != w83697hf) {
         data->fan_div[2] = (w83627hf_read_value(data,
                        W83781D_REG_PIN) >> 6) & 0x03;
     }
     reg = w83627hf_read_value(data, W83781D_REG_VBAT);
     data->fan_div[0] |= (reg >> 3) & 0x04;
     data->fan_div[1] |= (reg >> 4) & 0x04;
     if (data->type != w83697hf)
         data->fan_div[2] |= (reg >> 5) & 0x04;
 }
 
 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
 {
     struct w83627hf_data *data = dev_get_drvdata(dev);
     int i, num_temps = (data->type == w83697hf) ? 2 : 3;
     int num_pwms = (data->type == w83697hf) ? 2 : 3;
 
     mutex_lock(&data->update_lock);
 
     if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
         || !data->valid) {
         for (i = 0; i <= 8; i++) {
             /* skip missing sensors */
             if (((data->type == w83697hf) && (i == 1)) ||
                 ((data->type != w83627hf && data->type != w83697hf)
                 && (i == 5 || i == 6)))
                 continue;
             data->in[i] =
                 w83627hf_read_value(data, W83781D_REG_IN(i));
             data->in_min[i] =
                 w83627hf_read_value(data,
                            W83781D_REG_IN_MIN(i));
             data->in_max[i] =
                 w83627hf_read_value(data,
                            W83781D_REG_IN_MAX(i));
         }
         for (i = 0; i <= 2; i++) {
             data->fan[i] =
                 w83627hf_read_value(data, W83627HF_REG_FAN(i));
             data->fan_min[i] =
                 w83627hf_read_value(data,
                            W83627HF_REG_FAN_MIN(i));
         }
         for (i = 0; i <= 2; i++) {
             u8 tmp = w83627hf_read_value(data,
                 W836X7HF_REG_PWM(data->type, i));
             /* bits 0-3 are reserved  in 627THF */
             if (data->type == w83627thf)
                 tmp &= 0xf0;
             data->pwm[i] = tmp;
             if (i == 1 &&
                 (data->type == w83627hf || data->type == w83697hf))
                 break;
         }
         if (data->type == w83627hf) {
                 u8 tmp = w83627hf_read_value(data,
                         W83627HF_REG_PWM_FREQ);
                 data->pwm_freq[0] = tmp & 0x07;
                 data->pwm_freq[1] = (tmp >> 4) & 0x07;
         } else if (data->type != w83627thf) {
             for (i = 1; i <= 3; i++) {
                 data->pwm_freq[i - 1] =
                     w83627hf_read_value(data,
                         W83637HF_REG_PWM_FREQ[i - 1]);
                 if (i == 2 && (data->type == w83697hf))
                     break;
             }
         }
         if (data->type != w83627hf) {
             for (i = 0; i < num_pwms; i++) {
                 u8 tmp = w83627hf_read_value(data,
                     W83627THF_REG_PWM_ENABLE[i]);
                 data->pwm_enable[i] =
                     ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
                     & 0x03) + 1;
             }
         }
         for (i = 0; i < num_temps; i++) {
             data->temp[i] = w83627hf_read_value(
                         data, w83627hf_reg_temp[i]);
             data->temp_max[i] = w83627hf_read_value(
                         data, w83627hf_reg_temp_over[i]);
             data->temp_max_hyst[i] = w83627hf_read_value(
                         data, w83627hf_reg_temp_hyst[i]);
         }
 
         w83627hf_update_fan_div(data);
 
         data->alarms =
             w83627hf_read_value(data, W83781D_REG_ALARM1) |
             (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
             (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
         i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
         data->beep_mask = (i << 8) |
             w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
             w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
         data->last_updated = jiffies;
         data->valid = true;
     }
 
     mutex_unlock(&data->update_lock);
 
     return data;
 }
 
 static int __init w83627hf_device_add(unsigned short address,
                       const struct w83627hf_sio_data *sio_data)
 {
     struct resource res = {
         .start  = address + WINB_REGION_OFFSET,
         .end    = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
         .name   = DRVNAME,
         .flags  = IORESOURCE_IO,
     };
     int err;
 
     err = acpi_check_resource_conflict(&res);
     if (err)
         goto exit;
 
     pdev = platform_device_alloc(DRVNAME, address);
     if (!pdev) {
         err = -ENOMEM;
         pr_err("Device allocation failed\n");
         goto exit;
     }
 
     err = platform_device_add_resources(pdev, &res, 1);
     if (err) {
         pr_err("Device resource addition failed (%d)\n", err);
         goto exit_device_put;
     }
 
     err = platform_device_add_data(pdev, sio_data,
                        sizeof(struct w83627hf_sio_data));
     if (err) {
         pr_err("Platform data allocation failed\n");
         goto exit_device_put;
     }
 
     err = platform_device_add(pdev);
     if (err) {
         pr_err("Device addition failed (%d)\n", err);
         goto exit_device_put;
     }
 
     return 0;
 
 exit_device_put:
     platform_device_put(pdev);
 exit:
     return err;
 }
 
 static int __init sensors_w83627hf_init(void)
 {
     int err;
     unsigned short address;
     struct w83627hf_sio_data sio_data;
 
     if (w83627hf_find(0x2e, &address, &sio_data)
      && w83627hf_find(0x4e, &address, &sio_data))
         return -ENODEV;
 
     err = platform_driver_register(&w83627hf_driver);
     if (err)
         goto exit;
 
     /* Sets global pdev as a side effect */
     err = w83627hf_device_add(address, &sio_data);
     if (err)
         goto exit_driver;
 
     return 0;
 
 exit_driver:
     platform_driver_unregister(&w83627hf_driver);
 exit:
     return err;
 }
 
 static void __exit sensors_w83627hf_exit(void)
 {
     platform_device_unregister(pdev);
     platform_driver_unregister(&w83627hf_driver);
 }
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
           "Philip Edelbrock <phil@netroedge.com>, "
           "and Mark Studebaker <mdsxyz123@yahoo.com>");
 MODULE_DESCRIPTION("W83627HF driver");
 MODULE_LICENSE("GPL");
 
 module_init(sensors_w83627hf_init);
 module_exit(sensors_w83627hf_exit);

This page was automatically generated by the 2.1.0 LXR engine. The LXR team