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    SubjectRe: [PATCH] I2C update for 2.6.10-rc1
    Date
    From
    ChangeSet 1.2014.1.11, 2004/11/05 13:45:00-08:00, khali@linux-fr.org

    [PATCH] I2C: New PC8736x chip driver

    This is my port of the pc87360 driver. It supports the hardware
    monitoring functions of the National Semiconductor PC8736x Super-I/O
    family. The PC87360, PC87363 and PC87364 only do fan monitoring and
    control. The PC87365 and PC87366 additionally have voltage and
    temperature monitoring.

    The driver was ported upon request from Wincor-Nixdorf, and tested by
    Rolf Müller there. I wish to thank Rolf for his very efficient
    cooperation.

    Please apply,
    thanks.

    Signed-off-by: Jean Delvare <khali@linux-fr.org>
    Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>


    drivers/i2c/chips/Kconfig | 15
    drivers/i2c/chips/Makefile | 1
    drivers/i2c/chips/pc87360.c | 1306 ++++++++++++++++++++++++++++++++++++++++++++
    3 files changed, 1322 insertions(+)


    diff -Nru a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
    --- a/drivers/i2c/chips/Kconfig 2004-11-08 18:55:32 -08:00
    +++ b/drivers/i2c/chips/Kconfig 2004-11-08 18:55:32 -08:00
    @@ -215,6 +215,21 @@
    This driver can also be built as a module. If so, the module
    will be called max1619.

    +config SENSORS_PC87360
    + tristate "National Semiconductor PC87360 family"
    + depends on I2C && EXPERIMENTAL
    + select I2C_SENSOR
    + select I2C_ISA
    + help
    + If you say yes here you get access to the hardware monitoring
    + functions of the National Semiconductor PC8736x Super-I/O chips.
    + The PC87360, PC87363 and PC87364 only have fan monitoring and
    + control. The PC87365 and PC87366 additionally have voltage and
    + temperature monitoring.
    +
    + This driver can also be built as a module. If so, the module
    + will be called pc87360.
    +
    config SENSORS_SMSC47M1
    tristate "SMSC LPC47M10x and compatibles"
    depends on I2C && EXPERIMENTAL
    diff -Nru a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
    --- a/drivers/i2c/chips/Makefile 2004-11-08 18:55:32 -08:00
    +++ b/drivers/i2c/chips/Makefile 2004-11-08 18:55:32 -08:00
    @@ -25,6 +25,7 @@
    obj-$(CONFIG_SENSORS_LM87) += lm87.o
    obj-$(CONFIG_SENSORS_LM90) += lm90.o
    obj-$(CONFIG_SENSORS_MAX1619) += max1619.o
    +obj-$(CONFIG_SENSORS_PC87360) += pc87360.o
    obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o
    obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o
    obj-$(CONFIG_SENSORS_RTC8564) += rtc8564.o
    diff -Nru a/drivers/i2c/chips/pc87360.c b/drivers/i2c/chips/pc87360.c
    --- /dev/null Wed Dec 31 16:00:00 196900
    +++ b/drivers/i2c/chips/pc87360.c 2004-11-08 18:55:32 -08:00
    @@ -0,0 +1,1306 @@
    +/*
    + * pc87360.c - Part of lm_sensors, Linux kernel modules
    + * for hardware monitoring
    + * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
    + *
    + * Copied from smsc47m1.c:
    + * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
    + *
    + * This program is free software; you can redistribute it and/or modify
    + * it under the terms of the GNU General Public License as published by
    + * the Free Software Foundation; either version 2 of the License, or
    + * (at your option) any later version.
    + *
    + * This program is distributed in the hope that it will be useful,
    + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    + * GNU General Public License for more details.
    + *
    + * You should have received a copy of the GNU General Public License
    + * along with this program; if not, write to the Free Software
    + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    + *
    + * Supports the following chips:
    + *
    + * Chip #vin #fan #pwm #temp devid
    + * PC87360 - 2 2 - 0xE1
    + * PC87363 - 2 2 - 0xE8
    + * PC87364 - 3 3 - 0xE4
    + * PC87365 11 3 3 2 0xE5
    + * PC87366 11 3 3 3-4 0xE9
    + *
    + * This driver assumes that no more than one chip is present, and one of
    + * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
    + */
    +
    +#include <linux/config.h>
    +#include <linux/module.h>
    +#include <linux/init.h>
    +#include <linux/slab.h>
    +#include <linux/i2c.h>
    +#include <linux/i2c-sensor.h>
    +#include <linux/i2c-vid.h>
    +#include <asm/io.h>
    +
    +static unsigned short normal_i2c[] = { I2C_CLIENT_END };
    +static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
    +static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
    +static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
    +static struct i2c_force_data forces[] = {{ NULL }};
    +static u8 devid;
    +static unsigned int extra_isa[3];
    +static u8 confreg[4];
    +
    +enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
    +static struct i2c_address_data addr_data = {
    + .normal_i2c = normal_i2c,
    + .normal_i2c_range = normal_i2c_range,
    + .normal_isa = normal_isa,
    + .normal_isa_range = normal_isa_range,
    + .probe = normal_i2c, /* cheat */
    + .probe_range = normal_i2c_range, /* cheat */
    + .ignore = normal_i2c, /* cheat */
    + .ignore_range = normal_i2c_range, /* cheat */
    + .forces = forces,
    +};
    +
    +static int init = 1;
    +MODULE_PARM(init, "i");
    +MODULE_PARM_DESC(init,
    + "Chip initialization level:\n"
    + " 0: None\n"
    + "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
    + " 2: Forcibly enable all voltage and temperature channels, except in9\n"
    + " 3: Forcibly enable all voltage and temperature channels, including in9");
    +
    +/*
    + * Super-I/O registers and operations
    + */
    +
    +#define DEV 0x07 /* Register: Logical device select */
    +#define DEVID 0x20 /* Register: Device ID */
    +#define ACT 0x30 /* Register: Device activation */
    +#define BASE 0x60 /* Register: Base address */
    +
    +#define FSCM 0x09 /* Logical device: fans */
    +#define VLM 0x0d /* Logical device: voltages */
    +#define TMS 0x0e /* Logical device: temperatures */
    +static const u8 logdev[3] = { FSCM, VLM, TMS };
    +
    +#define LD_FAN 0
    +#define LD_IN 1
    +#define LD_TEMP 2
    +
    +static inline void superio_outb(int sioaddr, int reg, int val)
    +{
    + outb(reg, sioaddr);
    + outb(val, sioaddr+1);
    +}
    +
    +static inline int superio_inb(int sioaddr, int reg)
    +{
    + outb(reg, sioaddr);
    + return inb(sioaddr+1);
    +}
    +
    +static inline void superio_exit(int sioaddr)
    +{
    + outb(0x02, sioaddr);
    + outb(0x02, sioaddr+1);
    +}
    +
    +/*
    + * Logical devices
    + */
    +
    +#define PC87360_EXTENT 0x10
    +#define PC87365_REG_BANK 0x09
    +#define NO_BANK 0xff
    +
    +/*
    + * Fan registers and conversions
    + */
    +
    +/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
    +#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
    +#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
    +#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
    +#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
    +#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
    +
    +#define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
    + 480000 / ((val)*(div)))
    +#define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
    + 480000 / ((val)*(div)))
    +#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
    +#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
    +
    +#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
    +#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
    +#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
    +
    +#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
    +static inline u8 PWM_TO_REG(int val, int inv)
    +{
    + if (inv)
    + val = 255 - val;
    + if (val < 0)
    + return 0;
    + if (val > 255)
    + return 255;
    + return val;
    +}
    +
    +/*
    + * Voltage registers and conversions
    + */
    +
    +#define PC87365_REG_IN_CONVRATE 0x07
    +#define PC87365_REG_IN_CONFIG 0x08
    +#define PC87365_REG_IN 0x0B
    +#define PC87365_REG_IN_MIN 0x0D
    +#define PC87365_REG_IN_MAX 0x0C
    +#define PC87365_REG_IN_STATUS 0x0A
    +#define PC87365_REG_IN_ALARMS1 0x00
    +#define PC87365_REG_IN_ALARMS2 0x01
    +#define PC87365_REG_VID 0x06
    +
    +#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
    +#define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
    + (val)*256 >= (ref)*255 ? 255: \
    + ((val) * 256 + (ref)/2) / (ref))
    +
    +/*
    + * Temperature registers and conversions
    + */
    +
    +#define PC87365_REG_TEMP_CONFIG 0x08
    +#define PC87365_REG_TEMP 0x0B
    +#define PC87365_REG_TEMP_MIN 0x0D
    +#define PC87365_REG_TEMP_MAX 0x0C
    +#define PC87365_REG_TEMP_CRIT 0x0E
    +#define PC87365_REG_TEMP_STATUS 0x0A
    +#define PC87365_REG_TEMP_ALARMS 0x00
    +
    +#define TEMP_FROM_REG(val) ((val) * 1000)
    +#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
    + (val) > 127000 ? 127 : \
    + (val) < 0 ? ((val) - 500) / 1000 : \
    + ((val) + 500) / 1000)
    +
    +/*
    + * Client data (each client gets its own)
    + */
    +
    +struct pc87360_data {
    + struct i2c_client client;
    + struct semaphore lock;
    + struct semaphore update_lock;
    + char valid; /* !=0 if following fields are valid */
    + unsigned long last_updated; /* In jiffies */
    +
    + int address[3];
    +
    + u8 fannr, innr, tempnr;
    +
    + u8 fan[3]; /* Register value */
    + u8 fan_min[3]; /* Register value */
    + u8 fan_status[3]; /* Register value */
    + u8 pwm[3]; /* Register value */
    + u16 fan_conf; /* Configuration register values, combined */
    +
    + u16 in_vref; /* 1 mV/bit */
    + u8 in[14]; /* Register value */
    + u8 in_min[14]; /* Register value */
    + u8 in_max[14]; /* Register value */
    + u8 in_crit[3]; /* Register value */
    + u8 in_status[14]; /* Register value */
    + u16 in_alarms; /* Register values, combined, masked */
    + u8 vid_conf; /* Configuration register value */
    + u8 vrm;
    + u8 vid; /* Register value */
    +
    + s8 temp[3]; /* Register value */
    + s8 temp_min[3]; /* Register value */
    + s8 temp_max[3]; /* Register value */
    + s8 temp_crit[3]; /* Register value */
    + u8 temp_status[3]; /* Register value */
    + u8 temp_alarms; /* Register value, masked */
    +};
    +
    +/*
    + * Functions declaration
    + */
    +
    +static int pc87360_attach_adapter(struct i2c_adapter *adapter);
    +static int pc87360_detect(struct i2c_adapter *adapter, int address, int kind);
    +static int pc87360_detach_client(struct i2c_client *client);
    +
    +static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
    + u8 reg);
    +static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
    + u8 reg, u8 value);
    +static void pc87360_init_client(struct i2c_client *client, int use_thermistors);
    +static struct pc87360_data *pc87360_update_device(struct device *dev);
    +
    +/*
    + * Driver data (common to all clients)
    + */
    +
    +static struct i2c_driver pc87360_driver = {
    + .owner = THIS_MODULE,
    + .name = "pc87360",
    + .flags = I2C_DF_NOTIFY,
    + .attach_adapter = pc87360_attach_adapter,
    + .detach_client = pc87360_detach_client,
    +};
    +
    +/*
    + * Sysfs stuff
    + */
    +
    +static ssize_t set_fan_min(struct device *dev, const char *buf,
    + size_t count, int nr)
    +{
    + struct i2c_client *client = to_i2c_client(dev);
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + long fan_min = simple_strtol(buf, NULL, 10);
    +
    + fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr]));
    +
    + /* If it wouldn't fit, change clock divisor */
    + while (fan_min > 255
    + && (data->fan_status[nr] & 0x60) != 0x60) {
    + fan_min >>= 1;
    + data->fan[nr] >>= 1;
    + data->fan_status[nr] += 0x20;
    + }
    + data->fan_min[nr] = fan_min > 255 ? 255 : fan_min;
    + pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr),
    + data->fan_min[nr]);
    +
    + /* Write new divider, preserve alarm bits */
    + pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr),
    + data->fan_status[nr] & 0xF9);
    +
    + return count;
    +}
    +
    +#define show_and_set_fan(offset) \
    +static ssize_t show_fan##offset##_input(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[offset-1], \
    + FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
    +} \
    +static ssize_t show_fan##offset##_min(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[offset-1], \
    + FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
    +} \
    +static ssize_t show_fan##offset##_div(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", \
    + FAN_DIV_FROM_REG(data->fan_status[offset-1])); \
    +} \
    +static ssize_t show_fan##offset##_status(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", \
    + FAN_STATUS_FROM_REG(data->fan_status[offset-1])); \
    +} \
    +static ssize_t set_fan##offset##_min(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + return set_fan_min(dev, buf, count, offset-1); \
    +} \
    +static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
    + show_fan##offset##_input, NULL); \
    +static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
    + show_fan##offset##_min, set_fan##offset##_min); \
    +static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
    + show_fan##offset##_div, NULL); \
    +static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
    + show_fan##offset##_status, NULL);
    +show_and_set_fan(1)
    +show_and_set_fan(2)
    +show_and_set_fan(3)
    +
    +#define show_and_set_pwm(offset) \
    +static ssize_t show_pwm##offset(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", \
    + PWM_FROM_REG(data->pwm[offset-1], \
    + FAN_CONFIG_INVERT(data->fan_conf, \
    + offset-1))); \
    +} \
    +static ssize_t set_pwm##offset(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->pwm[offset-1] = PWM_TO_REG(val, \
    + FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \
    + pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \
    + data->pwm[offset-1]); \
    + return count; \
    +} \
    +static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
    + show_pwm##offset, set_pwm##offset);
    +show_and_set_pwm(1)
    +show_and_set_pwm(2)
    +show_and_set_pwm(3)
    +
    +#define show_and_set_in(offset) \
    +static ssize_t show_in##offset##_input(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_in##offset##_min(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_in##offset##_max(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_in##offset##_status(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", data->in_status[offset]); \
    +} \
    +static ssize_t set_in##offset##_min(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->in_min[offset] = IN_TO_REG(val, data->in_vref); \
    + pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \
    + data->in_min[offset]); \
    + return count; \
    +} \
    +static ssize_t set_in##offset##_max(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->in_max[offset] = IN_TO_REG(val, \
    + data->in_vref); \
    + pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \
    + data->in_max[offset]); \
    + return count; \
    +} \
    +static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
    + show_in##offset##_input, NULL); \
    +static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
    + show_in##offset##_min, set_in##offset##_min); \
    +static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
    + show_in##offset##_max, set_in##offset##_max); \
    +static DEVICE_ATTR(in##offset##_status, S_IRUGO, \
    + show_in##offset##_status, NULL);
    +show_and_set_in(0)
    +show_and_set_in(1)
    +show_and_set_in(2)
    +show_and_set_in(3)
    +show_and_set_in(4)
    +show_and_set_in(5)
    +show_and_set_in(6)
    +show_and_set_in(7)
    +show_and_set_in(8)
    +show_and_set_in(9)
    +show_and_set_in(10)
    +
    +#define show_and_set_therm(offset) \
    +static ssize_t show_temp##offset##_input(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_temp##offset##_crit(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \
    + data->in_vref)); \
    +} \
    +static ssize_t show_temp##offset##_status(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%u\n", data->in_status[offset+7]); \
    +} \
    +static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \
    + pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \
    + data->in_min[offset+7]); \
    + return count; \
    +} \
    +static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \
    + pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \
    + data->in_max[offset+7]); \
    + return count; \
    +} \
    +static ssize_t set_temp##offset##_crit(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \
    + pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \
    + data->in_crit[offset-4]); \
    + return count; \
    +} \
    +static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
    + show_temp##offset##_input, NULL); \
    +static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_min, set_temp##offset##_min); \
    +static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_max, set_temp##offset##_max); \
    +static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_crit, set_temp##offset##_crit); \
    +static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
    + show_temp##offset##_status, NULL);
    +show_and_set_therm(4)
    +show_and_set_therm(5)
    +show_and_set_therm(6)
    +
    +static ssize_t show_vid(struct device *dev, char *buf)
    +{
    + struct pc87360_data *data = pc87360_update_device(dev);
    + return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
    +}
    +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
    +
    +static ssize_t show_vrm(struct device *dev, char *buf)
    +{
    + struct pc87360_data *data = pc87360_update_device(dev);
    + return sprintf(buf, "%u\n", data->vrm);
    +}
    +static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
    +{
    + struct i2c_client *client = to_i2c_client(dev);
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + data->vrm = simple_strtoul(buf, NULL, 10);
    + return count;
    +}
    +static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
    +
    +static ssize_t show_in_alarms(struct device *dev, char *buf)
    +{
    + struct pc87360_data *data = pc87360_update_device(dev);
    + return sprintf(buf, "%u\n", data->in_alarms);
    +}
    +static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
    +
    +#define show_and_set_temp(offset) \
    +static ssize_t show_temp##offset##_input(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
    +} \
    +static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
    +} \
    +static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
    +}\
    +static ssize_t show_temp##offset##_crit(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \
    +}\
    +static ssize_t show_temp##offset##_status(struct device *dev, char *buf) \
    +{ \
    + struct pc87360_data *data = pc87360_update_device(dev); \
    + return sprintf(buf, "%d\n", data->temp_status[offset-1]); \
    +}\
    +static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->temp_min[offset-1] = TEMP_TO_REG(val); \
    + pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \
    + data->temp_min[offset-1]); \
    + return count; \
    +} \
    +static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->temp_max[offset-1] = TEMP_TO_REG(val); \
    + pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \
    + data->temp_max[offset-1]); \
    + return count; \
    +} \
    +static ssize_t set_temp##offset##_crit(struct device *dev, const char *buf, \
    + size_t count) \
    +{ \
    + struct i2c_client *client = to_i2c_client(dev); \
    + struct pc87360_data *data = i2c_get_clientdata(client); \
    + long val = simple_strtol(buf, NULL, 10); \
    + data->temp_crit[offset-1] = TEMP_TO_REG(val); \
    + pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \
    + data->temp_crit[offset-1]); \
    + return count; \
    +} \
    +static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
    + show_temp##offset##_input, NULL); \
    +static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_min, set_temp##offset##_min); \
    +static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_max, set_temp##offset##_max); \
    +static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
    + show_temp##offset##_crit, set_temp##offset##_crit); \
    +static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
    + show_temp##offset##_status, NULL);
    +show_and_set_temp(1)
    +show_and_set_temp(2)
    +show_and_set_temp(3)
    +
    +static ssize_t show_temp_alarms(struct device *dev, char *buf)
    +{
    + struct pc87360_data *data = pc87360_update_device(dev);
    + return sprintf(buf, "%u\n", data->temp_alarms);
    +}
    +static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
    +
    +/*
    + * Device detection, registration and update
    + */
    +
    +static int pc87360_attach_adapter(struct i2c_adapter *adapter)
    +{
    + return i2c_detect(adapter, &addr_data, pc87360_detect);
    +}
    +
    +static int pc87360_find(int sioaddr, u8 *devid, int *address)
    +{
    + u16 val;
    + int i;
    + int nrdev; /* logical device count */
    +
    + /* No superio_enter */
    +
    + /* Identify device */
    + val = superio_inb(sioaddr, DEVID);
    + switch (val) {
    + case 0xE1: /* PC87360 */
    + case 0xE8: /* PC87363 */
    + case 0xE4: /* PC87364 */
    + nrdev = 1;
    + break;
    + case 0xE5: /* PC87365 */
    + case 0xE9: /* PC87366 */
    + nrdev = 3;
    + break;
    + default:
    + superio_exit(sioaddr);
    + return -ENODEV;
    + }
    + /* Remember the device id */
    + *devid = val;
    +
    + for (i = 0; i < nrdev; i++) {
    + /* select logical device */
    + superio_outb(sioaddr, DEV, logdev[i]);
    +
    + val = superio_inb(sioaddr, ACT);
    + if (!(val & 0x01)) {
    + printk(KERN_INFO "pc87360: Device 0x%02x not "
    + "activated\n", logdev[i]);
    + continue;
    + }
    +
    + val = (superio_inb(sioaddr, BASE) << 8)
    + | superio_inb(sioaddr, BASE + 1);
    + if (!val) {
    + printk(KERN_INFO "pc87360: Base address not set for "
    + "device 0x%02x\n", logdev[i]);
    + continue;
    + }
    +
    + address[i] = val;
    +
    + if (i==0) { /* Fans */
    + confreg[0] = superio_inb(sioaddr, 0xF0);
    + confreg[1] = superio_inb(sioaddr, 0xF1);
    +
    +#ifdef DEBUG
    + printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
    + "ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
    + (confreg[0]>>3)&1, (confreg[0]>>4)&1);
    + printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
    + "ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
    + (confreg[0]>>6)&1, (confreg[0]>>7)&1);
    + printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
    + "ctrl=%d inv=%d\n", confreg[1]&1,
    + (confreg[1]>>1)&1, (confreg[1]>>2)&1);
    +#endif
    + } else if (i==1) { /* Voltages */
    + /* Are we using thermistors? */
    + if (*devid == 0xE9) { /* PC87366 */
    + /* These registers are not logical-device
    + specific, just that we won't need them if
    + we don't use the VLM device */
    + confreg[2] = superio_inb(sioaddr, 0x2B);
    + confreg[3] = superio_inb(sioaddr, 0x25);
    +
    + if (confreg[2] & 0x40) {
    + printk(KERN_INFO "pc87360: Using "
    + "thermistors for temperature "
    + "monitoring\n");
    + }
    + if (confreg[3] & 0xE0) {
    + printk(KERN_INFO "pc87360: VID "
    + "inputs routed (mode %u)\n",
    + confreg[3] >> 5);
    + }
    + }
    + }
    + }
    +
    + superio_exit(sioaddr);
    + return 0;
    +}
    +
    +/* We don't really care about the address.
    + Read from extra_isa instead. */
    +int pc87360_detect(struct i2c_adapter *adapter, int address, int kind)
    +{
    + int i;
    + struct i2c_client *new_client;
    + struct pc87360_data *data;
    + int err = 0;
    + const char *name = "pc87360";
    + int use_thermistors = 0;
    +
    + if (!i2c_is_isa_adapter(adapter))
    + return -ENODEV;
    +
    + if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
    + return -ENOMEM;
    + memset(data, 0x00, sizeof(struct pc87360_data));
    +
    + new_client = &data->client;
    + i2c_set_clientdata(new_client, data);
    + new_client->addr = address;
    + init_MUTEX(&data->lock);
    + new_client->adapter = adapter;
    + new_client->driver = &pc87360_driver;
    + new_client->flags = 0;
    +
    + data->fannr = 2;
    + data->innr = 0;
    + data->tempnr = 0;
    +
    + switch (devid) {
    + case 0xe8:
    + name = "pc87363";
    + break;
    + case 0xe4:
    + name = "pc87364";
    + data->fannr = 3;
    + break;
    + case 0xe5:
    + name = "pc87365";
    + data->fannr = extra_isa[0] ? 3 : 0;
    + data->innr = extra_isa[1] ? 11 : 0;
    + data->tempnr = extra_isa[2] ? 2 : 0;
    + break;
    + case 0xe9:
    + name = "pc87366";
    + data->fannr = extra_isa[0] ? 3 : 0;
    + data->innr = extra_isa[1] ? 14 : 0;
    + data->tempnr = extra_isa[2] ? 3 : 0;
    + break;
    + }
    +
    + strcpy(new_client->name, name);
    + data->valid = 0;
    + init_MUTEX(&data->update_lock);
    +
    + for (i = 0; i < 3; i++) {
    + if (((data->address[i] = extra_isa[i]))
    + && !request_region(extra_isa[i], PC87360_EXTENT, "pc87360")) {
    + dev_err(&new_client->dev, "Region 0x%x-0x%x already "
    + "in use!\n", extra_isa[i],
    + extra_isa[i]+PC87360_EXTENT-1);
    + for (i--; i >= 0; i--)
    + release_region(extra_isa[i], PC87360_EXTENT);
    + err = -EBUSY;
    + goto ERROR1;
    + }
    + }
    +
    + /* Retrieve the fans configuration from Super-I/O space */
    + if (data->fannr)
    + data->fan_conf = confreg[0] | (confreg[1] << 8);
    +
    + if ((err = i2c_attach_client(new_client)))
    + goto ERROR2;
    +
    + /* Use the correct reference voltage
    + Unless both the VLM and the TMS logical devices agree to
    + use an external Vref, the internal one is used. */
    + if (data->innr) {
    + i = pc87360_read_value(data, LD_IN, NO_BANK,
    + PC87365_REG_IN_CONFIG);
    + if (data->tempnr) {
    + i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
    + PC87365_REG_TEMP_CONFIG);
    + }
    + data->in_vref = (i&0x02) ? 3025 : 2966;
    + dev_dbg(&new_client->dev, "Using %s reference voltage\n",
    + (i&0x02) ? "external" : "internal");
    +
    + data->vid_conf = confreg[3];
    + data->vrm = 90;
    + }
    +
    + /* Fan clock dividers may be needed before any data is read */
    + for (i = 0; i < data->fannr; i++) {
    + data->fan_status[i] = pc87360_read_value(data, LD_FAN,
    + NO_BANK, PC87360_REG_FAN_STATUS(i));
    + }
    +
    + if (init > 0) {
    + if (devid == 0xe9 && data->address[1]) /* PC87366 */
    + use_thermistors = confreg[2] & 0x40;
    +
    + pc87360_init_client(new_client, use_thermistors);
    + }
    +
    + /* Register sysfs hooks */
    + if (data->innr) {
    + device_create_file(&new_client->dev, &dev_attr_in0_input);
    + device_create_file(&new_client->dev, &dev_attr_in1_input);
    + device_create_file(&new_client->dev, &dev_attr_in2_input);
    + device_create_file(&new_client->dev, &dev_attr_in3_input);
    + device_create_file(&new_client->dev, &dev_attr_in4_input);
    + device_create_file(&new_client->dev, &dev_attr_in5_input);
    + device_create_file(&new_client->dev, &dev_attr_in6_input);
    + device_create_file(&new_client->dev, &dev_attr_in7_input);
    + device_create_file(&new_client->dev, &dev_attr_in8_input);
    + device_create_file(&new_client->dev, &dev_attr_in9_input);
    + device_create_file(&new_client->dev, &dev_attr_in10_input);
    + device_create_file(&new_client->dev, &dev_attr_in0_min);
    + device_create_file(&new_client->dev, &dev_attr_in1_min);
    + device_create_file(&new_client->dev, &dev_attr_in2_min);
    + device_create_file(&new_client->dev, &dev_attr_in3_min);
    + device_create_file(&new_client->dev, &dev_attr_in4_min);
    + device_create_file(&new_client->dev, &dev_attr_in5_min);
    + device_create_file(&new_client->dev, &dev_attr_in6_min);
    + device_create_file(&new_client->dev, &dev_attr_in7_min);
    + device_create_file(&new_client->dev, &dev_attr_in8_min);
    + device_create_file(&new_client->dev, &dev_attr_in9_min);
    + device_create_file(&new_client->dev, &dev_attr_in10_min);
    + device_create_file(&new_client->dev, &dev_attr_in0_max);
    + device_create_file(&new_client->dev, &dev_attr_in1_max);
    + device_create_file(&new_client->dev, &dev_attr_in2_max);
    + device_create_file(&new_client->dev, &dev_attr_in3_max);
    + device_create_file(&new_client->dev, &dev_attr_in4_max);
    + device_create_file(&new_client->dev, &dev_attr_in5_max);
    + device_create_file(&new_client->dev, &dev_attr_in6_max);
    + device_create_file(&new_client->dev, &dev_attr_in7_max);
    + device_create_file(&new_client->dev, &dev_attr_in8_max);
    + device_create_file(&new_client->dev, &dev_attr_in9_max);
    + device_create_file(&new_client->dev, &dev_attr_in10_max);
    + device_create_file(&new_client->dev, &dev_attr_in0_status);
    + device_create_file(&new_client->dev, &dev_attr_in1_status);
    + device_create_file(&new_client->dev, &dev_attr_in2_status);
    + device_create_file(&new_client->dev, &dev_attr_in3_status);
    + device_create_file(&new_client->dev, &dev_attr_in4_status);
    + device_create_file(&new_client->dev, &dev_attr_in5_status);
    + device_create_file(&new_client->dev, &dev_attr_in6_status);
    + device_create_file(&new_client->dev, &dev_attr_in7_status);
    + device_create_file(&new_client->dev, &dev_attr_in8_status);
    + device_create_file(&new_client->dev, &dev_attr_in9_status);
    + device_create_file(&new_client->dev, &dev_attr_in10_status);
    +
    + device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
    + device_create_file(&new_client->dev, &dev_attr_vrm);
    + device_create_file(&new_client->dev, &dev_attr_alarms_in);
    + }
    +
    + if (data->tempnr) {
    + device_create_file(&new_client->dev, &dev_attr_temp1_input);
    + device_create_file(&new_client->dev, &dev_attr_temp2_input);
    + device_create_file(&new_client->dev, &dev_attr_temp1_min);
    + device_create_file(&new_client->dev, &dev_attr_temp2_min);
    + device_create_file(&new_client->dev, &dev_attr_temp1_max);
    + device_create_file(&new_client->dev, &dev_attr_temp2_max);
    + device_create_file(&new_client->dev, &dev_attr_temp1_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp2_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp1_status);
    + device_create_file(&new_client->dev, &dev_attr_temp2_status);
    +
    + device_create_file(&new_client->dev, &dev_attr_alarms_temp);
    + }
    + if (data->tempnr == 3) {
    + device_create_file(&new_client->dev, &dev_attr_temp3_input);
    + device_create_file(&new_client->dev, &dev_attr_temp3_min);
    + device_create_file(&new_client->dev, &dev_attr_temp3_max);
    + device_create_file(&new_client->dev, &dev_attr_temp3_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp3_status);
    + }
    + if (data->innr == 14) {
    + device_create_file(&new_client->dev, &dev_attr_temp4_input);
    + device_create_file(&new_client->dev, &dev_attr_temp5_input);
    + device_create_file(&new_client->dev, &dev_attr_temp6_input);
    + device_create_file(&new_client->dev, &dev_attr_temp4_min);
    + device_create_file(&new_client->dev, &dev_attr_temp5_min);
    + device_create_file(&new_client->dev, &dev_attr_temp6_min);
    + device_create_file(&new_client->dev, &dev_attr_temp4_max);
    + device_create_file(&new_client->dev, &dev_attr_temp5_max);
    + device_create_file(&new_client->dev, &dev_attr_temp6_max);
    + device_create_file(&new_client->dev, &dev_attr_temp4_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp5_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp6_crit);
    + device_create_file(&new_client->dev, &dev_attr_temp4_status);
    + device_create_file(&new_client->dev, &dev_attr_temp5_status);
    + device_create_file(&new_client->dev, &dev_attr_temp6_status);
    + }
    +
    + if (data->fannr) {
    + device_create_file(&new_client->dev, &dev_attr_fan1_input);
    + device_create_file(&new_client->dev, &dev_attr_fan2_input);
    + device_create_file(&new_client->dev, &dev_attr_fan1_min);
    + device_create_file(&new_client->dev, &dev_attr_fan2_min);
    + device_create_file(&new_client->dev, &dev_attr_fan1_div);
    + device_create_file(&new_client->dev, &dev_attr_fan2_div);
    + device_create_file(&new_client->dev, &dev_attr_fan1_status);
    + device_create_file(&new_client->dev, &dev_attr_fan2_status);
    +
    + if (FAN_CONFIG_CONTROL(data->fan_conf, 0))
    + device_create_file(&new_client->dev, &dev_attr_pwm1);
    + if (FAN_CONFIG_CONTROL(data->fan_conf, 1))
    + device_create_file(&new_client->dev, &dev_attr_pwm2);
    + }
    + if (data->fannr == 3) {
    + device_create_file(&new_client->dev, &dev_attr_fan3_input);
    + device_create_file(&new_client->dev, &dev_attr_fan3_min);
    + device_create_file(&new_client->dev, &dev_attr_fan3_div);
    + device_create_file(&new_client->dev, &dev_attr_fan3_status);
    +
    + if (FAN_CONFIG_CONTROL(data->fan_conf, 2))
    + device_create_file(&new_client->dev, &dev_attr_pwm3);
    + }
    +
    + return 0;
    +
    +ERROR2:
    + for (i = 0; i < 3; i++) {
    + if (data->address[i]) {
    + release_region(data->address[i], PC87360_EXTENT);
    + }
    + }
    +ERROR1:
    + kfree(data);
    + return err;
    +}
    +
    +static int pc87360_detach_client(struct i2c_client *client)
    +{
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + int i;
    +
    + if ((i = i2c_detach_client(client))) {
    + dev_err(&client->dev, "Client deregistration failed, "
    + "client not detached.\n");
    + return i;
    + }
    +
    + for (i = 0; i < 3; i++) {
    + if (data->address[i]) {
    + release_region(data->address[i], PC87360_EXTENT);
    + }
    + }
    + kfree(data);
    +
    + return 0;
    +}
    +
    +/* ldi is the logical device index
    + bank is for voltages and temperatures only */
    +static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
    + u8 reg)
    +{
    + int res;
    +
    + down(&(data->lock));
    + if (bank != NO_BANK)
    + outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
    + res = inb_p(data->address[ldi] + reg);
    + up(&(data->lock));
    +
    + return res;
    +}
    +
    +static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
    + u8 reg, u8 value)
    +{
    + down(&(data->lock));
    + if (bank != NO_BANK)
    + outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
    + outb_p(value, data->address[ldi] + reg);
    + up(&(data->lock));
    +}
    +
    +static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
    +{
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + int i, nr;
    + const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
    + const u8 init_temp[3] = { 2, 2, 1 };
    + u8 reg;
    +
    + if (init >= 2 && data->innr) {
    + reg = pc87360_read_value(data, LD_IN, NO_BANK,
    + PC87365_REG_IN_CONVRATE);
    + dev_info(&client->dev, "VLM conversion set to"
    + "1s period, 160us delay\n");
    + pc87360_write_value(data, LD_IN, NO_BANK,
    + PC87365_REG_IN_CONVRATE,
    + (reg & 0xC0) | 0x11);
    + }
    +
    + nr = data->innr < 11 ? data->innr : 11;
    + for (i=0; i<nr; i++) {
    + if (init >= init_in[i]) {
    + /* Forcibly enable voltage channel */
    + reg = pc87360_read_value(data, LD_IN, i,
    + PC87365_REG_IN_STATUS);
    + if (!(reg & 0x01)) {
    + dev_dbg(&client->dev, "Forcibly "
    + "enabling in%d\n", i);
    + pc87360_write_value(data, LD_IN, i,
    + PC87365_REG_IN_STATUS,
    + (reg & 0x68) | 0x87);
    + }
    + }
    + }
    +
    + /* We can't blindly trust the Super-I/O space configuration bit,
    + most BIOS won't set it properly */
    + for (i=11; i<data->innr; i++) {
    + reg = pc87360_read_value(data, LD_IN, i,
    + PC87365_REG_TEMP_STATUS);
    + use_thermistors = use_thermistors || (reg & 0x01);
    + }
    +
    + i = use_thermistors ? 2 : 0;
    + for (; i<data->tempnr; i++) {
    + if (init >= init_temp[i]) {
    + /* Forcibly enable temperature channel */
    + reg = pc87360_read_value(data, LD_TEMP, i,
    + PC87365_REG_TEMP_STATUS);
    + if (!(reg & 0x01)) {
    + dev_dbg(&client->dev, "Forcibly "
    + "enabling temp%d\n", i+1);
    + pc87360_write_value(data, LD_TEMP, i,
    + PC87365_REG_TEMP_STATUS,
    + 0xCF);
    + }
    + }
    + }
    +
    + if (use_thermistors) {
    + for (i=11; i<data->innr; i++) {
    + if (init >= init_in[i]) {
    + /* The pin may already be used by thermal
    + diodes */
    + reg = pc87360_read_value(data, LD_TEMP,
    + (i-11)/2, PC87365_REG_TEMP_STATUS);
    + if (reg & 0x01) {
    + dev_dbg(&client->dev, "Skipping "
    + "temp%d, pin already in use "
    + "by temp%d\n", i-7, (i-11)/2);
    + continue;
    + }
    +
    + /* Forcibly enable thermistor channel */
    + reg = pc87360_read_value(data, LD_IN, i,
    + PC87365_REG_IN_STATUS);
    + if (!(reg & 0x01)) {
    + dev_dbg(&client->dev, "Forcibly "
    + "enabling temp%d\n", i-7);
    + pc87360_write_value(data, LD_IN, i,
    + PC87365_REG_TEMP_STATUS,
    + (reg & 0x60) | 0x8F);
    + }
    + }
    + }
    + }
    +
    + if (data->innr) {
    + reg = pc87360_read_value(data, LD_IN, NO_BANK,
    + PC87365_REG_IN_CONFIG);
    + if (reg & 0x01) {
    + dev_dbg(&client->dev, "Forcibly "
    + "enabling monitoring (VLM)\n");
    + pc87360_write_value(data, LD_IN, NO_BANK,
    + PC87365_REG_IN_CONFIG,
    + reg & 0xFE);
    + }
    + }
    +
    + if (data->tempnr) {
    + reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
    + PC87365_REG_TEMP_CONFIG);
    + if (reg & 0x01) {
    + dev_dbg(&client->dev, "Forcibly enabling "
    + "monitoring (TMS)\n");
    + pc87360_write_value(data, LD_TEMP, NO_BANK,
    + PC87365_REG_TEMP_CONFIG,
    + reg & 0xFE);
    + }
    +
    + if (init >= 2) {
    + /* Chip config as documented by National Semi. */
    + pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
    + /* We voluntarily omit the bank here, in case the
    + sequence itself matters. It shouldn't be a problem,
    + since nobody else is supposed to access the
    + device at that point. */
    + pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
    + pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
    + pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
    + pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
    + }
    + }
    +}
    +
    +static void pc87360_autodiv(struct i2c_client *client, int nr)
    +{
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + u8 old_min = data->fan_min[nr];
    +
    + /* Increase clock divider if needed and possible */
    + if ((data->fan_status[nr] & 0x04) /* overflow flag */
    + || (data->fan[nr] >= 224)) { /* next to overflow */
    + if ((data->fan_status[nr] & 0x60) != 0x60) {
    + data->fan_status[nr] += 0x20;
    + data->fan_min[nr] >>= 1;
    + data->fan[nr] >>= 1;
    + dev_dbg(&client->dev, "Increasing "
    + "clock divider to %d for fan %d\n",
    + FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
    + }
    + } else {
    + /* Decrease clock divider if possible */
    + while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
    + && data->fan[nr] < 85 /* bad accuracy */
    + && (data->fan_status[nr] & 0x60) != 0x00) {
    + data->fan_status[nr] -= 0x20;
    + data->fan_min[nr] <<= 1;
    + data->fan[nr] <<= 1;
    + dev_dbg(&client->dev, "Decreasing "
    + "clock divider to %d for fan %d\n",
    + FAN_DIV_FROM_REG(data->fan_status[nr]),
    + nr+1);
    + }
    + }
    +
    + /* Write new fan min if it changed */
    + if (old_min != data->fan_min[nr]) {
    + pc87360_write_value(data, LD_FAN, NO_BANK,
    + PC87360_REG_FAN_MIN(nr),
    + data->fan_min[nr]);
    + }
    +}
    +
    +static struct pc87360_data *pc87360_update_device(struct device *dev)
    +{
    + struct i2c_client *client = to_i2c_client(dev);
    + struct pc87360_data *data = i2c_get_clientdata(client);
    + u8 i;
    +
    + down(&data->update_lock);
    +
    + if ((jiffies - data->last_updated > HZ * 2)
    + || (jiffies < data->last_updated) || !data->valid) {
    + dev_dbg(&client->dev, "Data update\n");
    +
    + /* Fans */
    + for (i = 0; i < data->fannr; i++) {
    + if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
    + data->fan_status[i] =
    + pc87360_read_value(data, LD_FAN,
    + NO_BANK, PC87360_REG_FAN_STATUS(i));
    + data->fan[i] = pc87360_read_value(data, LD_FAN,
    + NO_BANK, PC87360_REG_FAN(i));
    + data->fan_min[i] = pc87360_read_value(data,
    + LD_FAN, NO_BANK,
    + PC87360_REG_FAN_MIN(i));
    + /* Change clock divider if needed */
    + pc87360_autodiv(client, i);
    + /* Clear bits and write new divider */
    + pc87360_write_value(data, LD_FAN, NO_BANK,
    + PC87360_REG_FAN_STATUS(i),
    + data->fan_status[i]);
    + }
    + if (FAN_CONFIG_CONTROL(data->fan_conf, i))
    + data->pwm[i] = pc87360_read_value(data, LD_FAN,
    + NO_BANK, PC87360_REG_PWM(i));
    + }
    +
    + /* Voltages */
    + for (i = 0; i < data->innr; i++) {
    + data->in_status[i] = pc87360_read_value(data, LD_IN, i,
    + PC87365_REG_IN_STATUS);
    + /* Clear bits */
    + pc87360_write_value(data, LD_IN, i,
    + PC87365_REG_IN_STATUS,
    + data->in_status[i]);
    + if ((data->in_status[i] & 0x81) == 0x81) {
    + data->in[i] = pc87360_read_value(data, LD_IN,
    + i, PC87365_REG_IN);
    + }
    + if (data->in_status[i] & 0x01) {
    + data->in_min[i] = pc87360_read_value(data,
    + LD_IN, i,
    + PC87365_REG_IN_MIN);
    + data->in_max[i] = pc87360_read_value(data,
    + LD_IN, i,
    + PC87365_REG_IN_MAX);
    + if (i >= 11)
    + data->in_crit[i-11] =
    + pc87360_read_value(data, LD_IN,
    + i, PC87365_REG_TEMP_CRIT);
    + }
    + }
    + if (data->innr) {
    + data->in_alarms = pc87360_read_value(data, LD_IN,
    + NO_BANK, PC87365_REG_IN_ALARMS1)
    + | ((pc87360_read_value(data, LD_IN,
    + NO_BANK, PC87365_REG_IN_ALARMS2)
    + & 0x07) << 8);
    + data->vid = (data->vid_conf & 0xE0) ?
    + pc87360_read_value(data, LD_IN,
    + NO_BANK, PC87365_REG_VID) : 0x1F;
    + }
    +
    + /* Temperatures */
    + for (i = 0; i < data->tempnr; i++) {
    + data->temp_status[i] = pc87360_read_value(data,
    + LD_TEMP, i,
    + PC87365_REG_TEMP_STATUS);
    + /* Clear bits */
    + pc87360_write_value(data, LD_TEMP, i,
    + PC87365_REG_TEMP_STATUS,
    + data->temp_status[i]);
    + if ((data->temp_status[i] & 0x81) == 0x81) {
    + data->temp[i] = pc87360_read_value(data,
    + LD_TEMP, i,
    + PC87365_REG_TEMP);
    + }
    + if (data->temp_status[i] & 0x01) {
    + data->temp_min[i] = pc87360_read_value(data,
    + LD_TEMP, i,
    + PC87365_REG_TEMP_MIN);
    + data->temp_max[i] = pc87360_read_value(data,
    + LD_TEMP, i,
    + PC87365_REG_TEMP_MAX);
    + data->temp_crit[i] = pc87360_read_value(data,
    + LD_TEMP, i,
    + PC87365_REG_TEMP_CRIT);
    + }
    + }
    + if (data->tempnr) {
    + data->temp_alarms = pc87360_read_value(data, LD_TEMP,
    + NO_BANK, PC87365_REG_TEMP_ALARMS)
    + & 0x3F;
    + }
    +
    + data->last_updated = jiffies;
    + data->valid = 1;
    + }
    +
    + up(&data->update_lock);
    +
    + return data;
    +}
    +
    +static int __init pc87360_init(void)
    +{
    + int i;
    +
    + if (pc87360_find(0x2e, &devid, extra_isa)
    + && pc87360_find(0x4e, &devid, extra_isa)) {
    + printk(KERN_WARNING "pc87360: PC8736x not detected, "
    + "module not inserted.\n");
    + return -ENODEV;
    + }
    +
    + /* Arbitrarily pick one of the addresses */
    + for (i = 0; i < 3; i++) {
    + if (extra_isa[i] != 0x0000) {
    + normal_isa[0] = extra_isa[i];
    + break;
    + }
    + }
    +
    + if (normal_isa[0] == 0x0000) {
    + printk(KERN_WARNING "pc87360: No active logical device, "
    + "module not inserted.\n");
    + return -ENODEV;
    + }
    +
    + return i2c_add_driver(&pc87360_driver);
    +}
    +
    +static void __exit pc87360_exit(void)
    +{
    + i2c_del_driver(&pc87360_driver);
    +}
    +
    +
    +MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
    +MODULE_DESCRIPTION("PC8736x hardware monitor");
    +MODULE_LICENSE("GPL");
    +
    +module_init(pc87360_init);
    +module_exit(pc87360_exit);
    -
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