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Diffstat (limited to 'drivers/hwmon/w83792d.c')
| -rw-r--r-- | drivers/hwmon/w83792d.c | 1680 |
1 files changed, 1680 insertions, 0 deletions
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c new file mode 100644 index 000000000..76aa39e53 --- /dev/null +++ b/drivers/hwmon/w83792d.c @@ -0,0 +1,1680 @@ +/* + * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware + * monitoring + * Copyright (C) 2004, 2005 Winbond Electronics Corp. + * Shane Huang, + * Rudolf Marek <r.marek@assembler.cz> + * + * 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. + * + * Note: + * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. + * 2. This driver is only for Winbond W83792D C version device, there + * are also some motherboards with B version W83792D device. The + * calculation method to in6-in7(measured value, limits) is a little + * different between C and B version. C or B version can be identified + * by CR[0x49h]. + */ + +/* + * Supports following chips: + * + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * w83792d 9 7 7 3 0x7a 0x5ca3 yes no + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/sysfs.h> +#include <linux/jiffies.h> + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, + I2C_CLIENT_END }; + +/* Insmod parameters */ + +static unsigned short force_subclients[4]; +module_param_array(force_subclients, short, NULL, 0); +MODULE_PARM_DESC(force_subclients, + "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}"); + +static bool init; +module_param(init, bool, 0); +MODULE_PARM_DESC(init, "Set to one to force chip initialization"); + +/* The W83792D registers */ +static const u8 W83792D_REG_IN[9] = { + 0x20, /* Vcore A in DataSheet */ + 0x21, /* Vcore B in DataSheet */ + 0x22, /* VIN0 in DataSheet */ + 0x23, /* VIN1 in DataSheet */ + 0x24, /* VIN2 in DataSheet */ + 0x25, /* VIN3 in DataSheet */ + 0x26, /* 5VCC in DataSheet */ + 0xB0, /* 5VSB in DataSheet */ + 0xB1 /* VBAT in DataSheet */ +}; +#define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ +#define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ +static const u8 W83792D_REG_IN_MAX[9] = { + 0x2B, /* Vcore A High Limit in DataSheet */ + 0x2D, /* Vcore B High Limit in DataSheet */ + 0x2F, /* VIN0 High Limit in DataSheet */ + 0x31, /* VIN1 High Limit in DataSheet */ + 0x33, /* VIN2 High Limit in DataSheet */ + 0x35, /* VIN3 High Limit in DataSheet */ + 0x37, /* 5VCC High Limit in DataSheet */ + 0xB4, /* 5VSB High Limit in DataSheet */ + 0xB6 /* VBAT High Limit in DataSheet */ +}; +static const u8 W83792D_REG_IN_MIN[9] = { + 0x2C, /* Vcore A Low Limit in DataSheet */ + 0x2E, /* Vcore B Low Limit in DataSheet */ + 0x30, /* VIN0 Low Limit in DataSheet */ + 0x32, /* VIN1 Low Limit in DataSheet */ + 0x34, /* VIN2 Low Limit in DataSheet */ + 0x36, /* VIN3 Low Limit in DataSheet */ + 0x38, /* 5VCC Low Limit in DataSheet */ + 0xB5, /* 5VSB Low Limit in DataSheet */ + 0xB7 /* VBAT Low Limit in DataSheet */ +}; +static const u8 W83792D_REG_FAN[7] = { + 0x28, /* FAN 1 Count in DataSheet */ + 0x29, /* FAN 2 Count in DataSheet */ + 0x2A, /* FAN 3 Count in DataSheet */ + 0xB8, /* FAN 4 Count in DataSheet */ + 0xB9, /* FAN 5 Count in DataSheet */ + 0xBA, /* FAN 6 Count in DataSheet */ + 0xBE /* FAN 7 Count in DataSheet */ +}; +static const u8 W83792D_REG_FAN_MIN[7] = { + 0x3B, /* FAN 1 Count Low Limit in DataSheet */ + 0x3C, /* FAN 2 Count Low Limit in DataSheet */ + 0x3D, /* FAN 3 Count Low Limit in DataSheet */ + 0xBB, /* FAN 4 Count Low Limit in DataSheet */ + 0xBC, /* FAN 5 Count Low Limit in DataSheet */ + 0xBD, /* FAN 6 Count Low Limit in DataSheet */ + 0xBF /* FAN 7 Count Low Limit in DataSheet */ +}; +#define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ +static const u8 W83792D_REG_FAN_DIV[4] = { + 0x47, /* contains FAN2 and FAN1 Divisor */ + 0x5B, /* contains FAN4 and FAN3 Divisor */ + 0x5C, /* contains FAN6 and FAN5 Divisor */ + 0x9E /* contains FAN7 Divisor. */ +}; +static const u8 W83792D_REG_PWM[7] = { + 0x81, /* FAN 1 Duty Cycle, be used to control */ + 0x83, /* FAN 2 Duty Cycle, be used to control */ + 0x94, /* FAN 3 Duty Cycle, be used to control */ + 0xA3, /* FAN 4 Duty Cycle, be used to control */ + 0xA4, /* FAN 5 Duty Cycle, be used to control */ + 0xA5, /* FAN 6 Duty Cycle, be used to control */ + 0xA6 /* FAN 7 Duty Cycle, be used to control */ +}; +#define W83792D_REG_BANK 0x4E +#define W83792D_REG_TEMP2_CONFIG 0xC2 +#define W83792D_REG_TEMP3_CONFIG 0xCA + +static const u8 W83792D_REG_TEMP1[3] = { + 0x27, /* TEMP 1 in DataSheet */ + 0x39, /* TEMP 1 Over in DataSheet */ + 0x3A, /* TEMP 1 Hyst in DataSheet */ +}; + +static const u8 W83792D_REG_TEMP_ADD[2][6] = { + { 0xC0, /* TEMP 2 in DataSheet */ + 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ + 0xC5, /* TEMP 2 Over High part in DataSheet */ + 0xC6, /* TEMP 2 Over Low part in DataSheet */ + 0xC3, /* TEMP 2 Thyst High part in DataSheet */ + 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ + { 0xC8, /* TEMP 3 in DataSheet */ + 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ + 0xCD, /* TEMP 3 Over High part in DataSheet */ + 0xCE, /* TEMP 3 Over Low part in DataSheet */ + 0xCB, /* TEMP 3 Thyst High part in DataSheet */ + 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ +}; + +static const u8 W83792D_REG_THERMAL[3] = { + 0x85, /* SmartFanI: Fan1 target value */ + 0x86, /* SmartFanI: Fan2 target value */ + 0x96 /* SmartFanI: Fan3 target value */ +}; + +static const u8 W83792D_REG_TOLERANCE[3] = { + 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ + 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ + 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ +}; + +static const u8 W83792D_REG_POINTS[3][4] = { + { 0x85, /* SmartFanII: Fan1 temp point 1 */ + 0xE3, /* SmartFanII: Fan1 temp point 2 */ + 0xE4, /* SmartFanII: Fan1 temp point 3 */ + 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ + { 0x86, /* SmartFanII: Fan2 temp point 1 */ + 0xE6, /* SmartFanII: Fan2 temp point 2 */ + 0xE7, /* SmartFanII: Fan2 temp point 3 */ + 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ + { 0x96, /* SmartFanII: Fan3 temp point 1 */ + 0xE9, /* SmartFanII: Fan3 temp point 2 */ + 0xEA, /* SmartFanII: Fan3 temp point 3 */ + 0xEB } /* SmartFanII: Fan3 temp point 4 */ +}; + +static const u8 W83792D_REG_LEVELS[3][4] = { + { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ + 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ + 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ + 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ + { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ + 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ + 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ + 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ + { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ + 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ + 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ + 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ +}; + +#define W83792D_REG_GPIO_EN 0x1A +#define W83792D_REG_CONFIG 0x40 +#define W83792D_REG_VID_FANDIV 0x47 +#define W83792D_REG_CHIPID 0x49 +#define W83792D_REG_WCHIPID 0x58 +#define W83792D_REG_CHIPMAN 0x4F +#define W83792D_REG_PIN 0x4B +#define W83792D_REG_I2C_SUBADDR 0x4A + +#define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ +#define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ +#define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ +#define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ +#define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ + +/* control in0/in1 's limit modifiability */ +#define W83792D_REG_VID_IN_B 0x17 + +#define W83792D_REG_VBAT 0x5D +#define W83792D_REG_I2C_ADDR 0x48 + +/* + * Conversions. Rounding and 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_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \ + ((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4))) +#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \ + ((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4))) + +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 FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ + ((val) == 255 ? 0 : \ + 1350000 / ((val) * (div)))) + +/* for temp1 */ +#define TEMP1_TO_REG(val) (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 \ + : (val)) / 1000, 0, 0xff)) +#define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) +/* for temp2 and temp3, because they need additional resolution */ +#define TEMP_ADD_FROM_REG(val1, val2) \ + ((((val1) & 0x80 ? (val1)-0x100 \ + : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) +#define TEMP_ADD_TO_REG_HIGH(val) \ + (clamp_val(((val) < 0 ? (val) + 0x100 * 1000 : (val)) / 1000, 0, 0xff)) +#define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) + +#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; +} + +struct w83792d_data { + struct device *hwmon_dev; + + struct mutex update_lock; + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + /* array of 2 pointers to subclients */ + struct i2c_client *lm75[2]; + + u8 in[9]; /* Register value */ + u8 in_max[9]; /* Register value */ + u8 in_min[9]; /* Register value */ + u16 low_bits; /* Additional resolution to voltage in6-0 */ + u8 fan[7]; /* Register value */ + u8 fan_min[7]; /* Register value */ + u8 temp1[3]; /* current, over, thyst */ + u8 temp_add[2][6]; /* Register value */ + u8 fan_div[7]; /* Register encoding, shifted right */ + u8 pwm[7]; /* The 7 PWM outputs */ + u8 pwmenable[3]; + u32 alarms; /* realtime status register encoding,combined */ + u8 chassis; /* Chassis status */ + u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ + u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ + u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ + u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ +}; + +static int w83792d_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int w83792d_detect(struct i2c_client *client, + struct i2c_board_info *info); +static int w83792d_remove(struct i2c_client *client); +static struct w83792d_data *w83792d_update_device(struct device *dev); + +#ifdef DEBUG +static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); +#endif + +static void w83792d_init_client(struct i2c_client *client); + +static const struct i2c_device_id w83792d_id[] = { + { "w83792d", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, w83792d_id); + +static struct i2c_driver w83792d_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "w83792d", + }, + .probe = w83792d_probe, + .remove = w83792d_remove, + .id_table = w83792d_id, + .detect = w83792d_detect, + .address_list = normal_i2c, +}; + +static inline long in_count_from_reg(int nr, struct w83792d_data *data) +{ + /* in7 and in8 do not have low bits, but the formula still works */ + return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03); +} + +/* + * The SMBus locks itself. The Winbond W83792D chip has a bank register, + * but the driver only accesses registers in bank 0, so we don't have + * to switch banks and lock access between switches. + */ +static inline int w83792d_read_value(struct i2c_client *client, u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} + +static inline int +w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +/* following are the sysfs callback functions */ +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%ld\n", + IN_FROM_REG(nr, in_count_from_reg(nr, data))); +} + +#define show_in_reg(reg) \ +static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct sensor_device_attribute *sensor_attr \ + = to_sensor_dev_attr(attr); \ + int nr = sensor_attr->index; \ + struct w83792d_data *data = w83792d_update_device(dev); \ + return sprintf(buf, "%ld\n", \ + (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \ +} + +show_in_reg(in_min); +show_in_reg(in_max); + +#define store_in_reg(REG, reg) \ +static ssize_t store_in_##reg(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct sensor_device_attribute *sensor_attr \ + = to_sensor_dev_attr(attr); \ + int nr = sensor_attr->index; \ + struct i2c_client *client = to_i2c_client(dev); \ + struct w83792d_data *data = i2c_get_clientdata(client); \ + unsigned long val; \ + int err = kstrtoul(buf, 10, &val); \ + if (err) \ + return err; \ + mutex_lock(&data->update_lock); \ + data->in_##reg[nr] = clamp_val(IN_TO_REG(nr, val) / 4, 0, 255); \ + w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \ + data->in_##reg[nr]); \ + mutex_unlock(&data->update_lock); \ + \ + return count; \ +} +store_in_reg(MIN, min); +store_in_reg(MAX, max); + +#define show_fan_reg(reg) \ +static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct sensor_device_attribute *sensor_attr \ + = to_sensor_dev_attr(attr); \ + int nr = sensor_attr->index - 1; \ + struct w83792d_data *data = w83792d_update_device(dev); \ + return sprintf(buf, "%d\n", \ + FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ +} + +show_fan_reg(fan); +show_fan_reg(fan_min); + +static ssize_t +store_fan_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + 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])); + w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], + data->fan_min[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +show_fan_div(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); +} + +/* + * 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 +store_fan_div(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + unsigned long min; + /*u8 reg;*/ + u8 fan_div_reg = 0; + u8 tmp_fan_div; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + /* Save fan_min */ + mutex_lock(&data->update_lock); + min = FAN_FROM_REG(data->fan_min[nr], + DIV_FROM_REG(data->fan_div[nr])); + + data->fan_div[nr] = DIV_TO_REG(val); + + fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); + fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; + tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) + : ((data->fan_div[nr]) & 0x07); + w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], + fan_div_reg | tmp_fan_div); + + /* Restore fan_min */ + data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); + w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +/* read/write the temperature1, includes measured value and limits */ + +static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); +} + +static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->temp1[nr] = TEMP1_TO_REG(val); + w83792d_write_value(client, W83792D_REG_TEMP1[nr], + data->temp1[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +/* read/write the temperature2-3, includes measured value and limits */ + +static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%ld\n", + (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], + data->temp_add[nr][index+1])); +} + +static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); + data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); + w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], + data->temp_add[nr][index]); + w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], + data->temp_add[nr][index+1]); + mutex_unlock(&data->update_lock); + + return count; +} + +/* get realtime status of all sensors items: voltage, temp, fan */ +static ssize_t +alarms_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", data->alarms); +} + +static ssize_t show_alarm(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", (data->alarms >> nr) & 1); +} + +static ssize_t +show_pwm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); +} + +static ssize_t +show_pwmenable(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct w83792d_data *data = w83792d_update_device(dev); + long pwm_enable_tmp = 1; + + switch (data->pwmenable[nr]) { + case 0: + pwm_enable_tmp = 1; /* manual mode */ + break; + case 1: + pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ + break; + case 2: + pwm_enable_tmp = 2; /* Smart Fan II */ + break; + } + + return sprintf(buf, "%ld\n", pwm_enable_tmp); +} + +static ssize_t +store_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + val = clamp_val(val, 0, 255) >> 4; + + mutex_lock(&data->update_lock); + val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; + data->pwm[nr] = val; + w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +store_pwmenable(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + if (val < 1 || val > 3) + return -EINVAL; + + mutex_lock(&data->update_lock); + switch (val) { + case 1: + data->pwmenable[nr] = 0; /* manual mode */ + break; + case 2: + data->pwmenable[nr] = 2; /* Smart Fan II */ + break; + case 3: + data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ + break; + } + cfg1_tmp = data->pwmenable[0]; + cfg2_tmp = (data->pwmenable[1]) << 2; + cfg3_tmp = (data->pwmenable[2]) << 4; + cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0; + fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; + w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +show_pwm_mode(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", data->pwm[nr] >> 7); +} + +static ssize_t +store_pwm_mode(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + if (val > 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); + if (val) { /* PWM mode */ + data->pwm[nr] |= 0x80; + } else { /* DC mode */ + data->pwm[nr] &= 0x7f; + } + w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +intrusion0_alarm_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", data->chassis); +} + +static ssize_t +intrusion0_alarm_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + unsigned long val; + u8 reg; + + if (kstrtoul(buf, 10, &val) || val != 0) + return -EINVAL; + + mutex_lock(&data->update_lock); + reg = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR); + w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, reg | 0x80); + data->valid = 0; /* Force cache refresh */ + mutex_unlock(&data->update_lock); + + return count; +} + +/* For Smart Fan I / Thermal Cruise */ +static ssize_t +show_thermal_cruise(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); +} + +static ssize_t +store_thermal_cruise(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + u8 target_tmp = 0, target_mask = 0; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + target_tmp = val; + target_tmp = target_tmp & 0x7f; + mutex_lock(&data->update_lock); + target_mask = w83792d_read_value(client, + W83792D_REG_THERMAL[nr]) & 0x80; + data->thermal_cruise[nr] = clamp_val(target_tmp, 0, 255); + w83792d_write_value(client, W83792D_REG_THERMAL[nr], + (data->thermal_cruise[nr]) | target_mask); + mutex_unlock(&data->update_lock); + + return count; +} + +/* For Smart Fan I/Thermal Cruise and Smart Fan II */ +static ssize_t +show_tolerance(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); +} + +static ssize_t +store_tolerance(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + u8 tol_tmp, tol_mask; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + tol_mask = w83792d_read_value(client, + W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); + tol_tmp = clamp_val(val, 0, 15); + tol_tmp &= 0x0f; + data->tolerance[nr] = tol_tmp; + if (nr == 1) + tol_tmp <<= 4; + w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], + tol_mask | tol_tmp); + mutex_unlock(&data->update_lock); + + return count; +} + +/* For Smart Fan II */ +static ssize_t +show_sf2_point(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); +} + +static ssize_t +store_sf2_point(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr - 1; + int index = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + u8 mask_tmp = 0; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->sf2_points[index][nr] = clamp_val(val, 0, 127); + mask_tmp = w83792d_read_value(client, + W83792D_REG_POINTS[index][nr]) & 0x80; + w83792d_write_value(client, W83792D_REG_POINTS[index][nr], + mask_tmp|data->sf2_points[index][nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +show_sf2_level(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index; + struct w83792d_data *data = w83792d_update_device(dev); + return sprintf(buf, "%d\n", + (((data->sf2_levels[index-1][nr]) * 100) / 15)); +} + +static ssize_t +store_sf2_level(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sensor_attr + = to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int index = sensor_attr->index - 1; + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + u8 mask_tmp = 0, level_tmp = 0; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->sf2_levels[index][nr] = clamp_val((val * 15) / 100, 0, 15); + mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) + & ((nr == 3) ? 0xf0 : 0x0f); + if (nr == 3) + level_tmp = data->sf2_levels[index][nr]; + else + level_tmp = data->sf2_levels[index][nr] << 4; + w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], + level_tmp | mask_tmp); + mutex_unlock(&data->update_lock); + + return count; +} + + +static int +w83792d_detect_subclients(struct i2c_client *new_client) +{ + int i, id, err; + int address = new_client->addr; + u8 val; + struct i2c_adapter *adapter = new_client->adapter; + struct w83792d_data *data = i2c_get_clientdata(new_client); + + id = i2c_adapter_id(adapter); + if (force_subclients[0] == id && force_subclients[1] == address) { + for (i = 2; i <= 3; i++) { + if (force_subclients[i] < 0x48 || + force_subclients[i] > 0x4f) { + dev_err(&new_client->dev, + "invalid subclient address %d; must be 0x48-0x4f\n", + force_subclients[i]); + err = -ENODEV; + goto ERROR_SC_0; + } + } + w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, + (force_subclients[2] & 0x07) | + ((force_subclients[3] & 0x07) << 4)); + } + + val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); + if (!(val & 0x08)) + data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7)); + if (!(val & 0x80)) { + if ((data->lm75[0] != NULL) && + ((val & 0x7) == ((val >> 4) & 0x7))) { + dev_err(&new_client->dev, + "duplicate addresses 0x%x, use force_subclient\n", + data->lm75[0]->addr); + err = -ENODEV; + goto ERROR_SC_1; + } + data->lm75[1] = i2c_new_dummy(adapter, + 0x48 + ((val >> 4) & 0x7)); + } + + return 0; + +/* Undo inits in case of errors */ + +ERROR_SC_1: + i2c_unregister_device(data->lm75[0]); +ERROR_SC_0: + return err; +} + +static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); +static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 0); +static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 1); +static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 2); +static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 3); +static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 4); +static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 5); +static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 6); +static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 7); +static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, + show_in_min, store_in_min, 8); +static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 0); +static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 1); +static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 2); +static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 3); +static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 4); +static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 5); +static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 6); +static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 7); +static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, + show_in_max, store_in_max, 8); +static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, + show_temp1, store_temp1, 0, 1); +static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, + store_temp23, 0, 2); +static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, + store_temp23, 1, 2); +static SENSOR_DEVICE_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, + show_temp1, store_temp1, 0, 2); +static SENSOR_DEVICE_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 0, 4); +static SENSOR_DEVICE_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 1, 4); +static DEVICE_ATTR_RO(alarms); +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 7); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 9); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 10); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 11); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 12); +static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, 15); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19); +static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21); +static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22); +static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 23); +static DEVICE_ATTR_RW(intrusion0_alarm); +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3); +static SENSOR_DEVICE_ATTR(pwm5, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4); +static SENSOR_DEVICE_ATTR(pwm6, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 5); +static SENSOR_DEVICE_ATTR(pwm7, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 6); +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, + show_pwmenable, store_pwmenable, 1); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, + show_pwmenable, store_pwmenable, 2); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, + show_pwmenable, store_pwmenable, 3); +static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 0); +static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 1); +static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 2); +static SENSOR_DEVICE_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 3); +static SENSOR_DEVICE_ATTR(pwm5_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 4); +static SENSOR_DEVICE_ATTR(pwm6_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 5); +static SENSOR_DEVICE_ATTR(pwm7_mode, S_IWUSR | S_IRUGO, + show_pwm_mode, store_pwm_mode, 6); +static SENSOR_DEVICE_ATTR(tolerance1, S_IWUSR | S_IRUGO, + show_tolerance, store_tolerance, 1); +static SENSOR_DEVICE_ATTR(tolerance2, S_IWUSR | S_IRUGO, + show_tolerance, store_tolerance, 2); +static SENSOR_DEVICE_ATTR(tolerance3, S_IWUSR | S_IRUGO, + show_tolerance, store_tolerance, 3); +static SENSOR_DEVICE_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, + show_thermal_cruise, store_thermal_cruise, 1); +static SENSOR_DEVICE_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, + show_thermal_cruise, store_thermal_cruise, 2); +static SENSOR_DEVICE_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, + show_thermal_cruise, store_thermal_cruise, 3); +static SENSOR_DEVICE_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 1, 1); +static SENSOR_DEVICE_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 2, 1); +static SENSOR_DEVICE_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 3, 1); +static SENSOR_DEVICE_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 4, 1); +static SENSOR_DEVICE_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 1, 2); +static SENSOR_DEVICE_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 2, 2); +static SENSOR_DEVICE_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 3, 2); +static SENSOR_DEVICE_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 4, 2); +static SENSOR_DEVICE_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 1, 3); +static SENSOR_DEVICE_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 2, 3); +static SENSOR_DEVICE_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 3, 3); +static SENSOR_DEVICE_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, + show_sf2_point, store_sf2_point, 4, 3); +static SENSOR_DEVICE_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 1, 1); +static SENSOR_DEVICE_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 2, 1); +static SENSOR_DEVICE_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 3, 1); +static SENSOR_DEVICE_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 1, 2); +static SENSOR_DEVICE_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 2, 2); +static SENSOR_DEVICE_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 3, 2); +static SENSOR_DEVICE_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 1, 3); +static SENSOR_DEVICE_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 2, 3); +static SENSOR_DEVICE_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, + show_sf2_level, store_sf2_level, 3, 3); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4); +static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5); +static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6); +static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7); +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 3); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 4); +static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 5); +static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 6); +static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 7); +static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 1); +static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 2); +static SENSOR_DEVICE_ATTR(fan3_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 3); +static SENSOR_DEVICE_ATTR(fan4_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 4); +static SENSOR_DEVICE_ATTR(fan5_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 5); +static SENSOR_DEVICE_ATTR(fan6_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 6); +static SENSOR_DEVICE_ATTR(fan7_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 7); + +static struct attribute *w83792d_attributes_fan[4][7] = { + { + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan4_div.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + &sensor_dev_attr_pwm4_mode.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan5_div.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_pwm5.dev_attr.attr, + &sensor_dev_attr_pwm5_mode.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan6_div.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_pwm6.dev_attr.attr, + &sensor_dev_attr_pwm6_mode.dev_attr.attr, + NULL + }, { + &sensor_dev_attr_fan7_input.dev_attr.attr, + &sensor_dev_attr_fan7_min.dev_attr.attr, + &sensor_dev_attr_fan7_div.dev_attr.attr, + &sensor_dev_attr_fan7_alarm.dev_attr.attr, + &sensor_dev_attr_pwm7.dev_attr.attr, + &sensor_dev_attr_pwm7_mode.dev_attr.attr, + NULL + } +}; + +static const struct attribute_group w83792d_group_fan[4] = { + { .attrs = w83792d_attributes_fan[0] }, + { .attrs = w83792d_attributes_fan[1] }, + { .attrs = w83792d_attributes_fan[2] }, + { .attrs = w83792d_attributes_fan[3] }, +}; + +static struct attribute *w83792d_attributes[] = { + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in8_max.dev_attr.attr, + &sensor_dev_attr_in8_min.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, + &sensor_dev_attr_in8_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_mode.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_mode.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_mode.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &dev_attr_alarms.attr, + &dev_attr_intrusion0_alarm.attr, + &sensor_dev_attr_tolerance1.dev_attr.attr, + &sensor_dev_attr_thermal_cruise1.dev_attr.attr, + &sensor_dev_attr_tolerance2.dev_attr.attr, + &sensor_dev_attr_thermal_cruise2.dev_attr.attr, + &sensor_dev_attr_tolerance3.dev_attr.attr, + &sensor_dev_attr_thermal_cruise3.dev_attr.attr, + &sensor_dev_attr_sf2_point1_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_point2_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_point3_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_point4_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_point1_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_point2_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_point3_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_point4_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_point1_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_point2_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_point3_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_point4_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_level1_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_level2_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_level3_fan1.dev_attr.attr, + &sensor_dev_attr_sf2_level1_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_level2_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_level3_fan2.dev_attr.attr, + &sensor_dev_attr_sf2_level1_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_level2_fan3.dev_attr.attr, + &sensor_dev_attr_sf2_level3_fan3.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan3_div.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + NULL +}; + +static const struct attribute_group w83792d_group = { + .attrs = w83792d_attributes, +}; + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int +w83792d_detect(struct i2c_client *client, struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + int val1, val2; + unsigned short address = client->addr; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) + return -ENODEV; + + val1 = w83792d_read_value(client, W83792D_REG_BANK); + val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); + /* Check for Winbond ID if in bank 0 */ + if (!(val1 & 0x07)) { /* is Bank0 */ + if ((!(val1 & 0x80) && val2 != 0xa3) || + ((val1 & 0x80) && val2 != 0x5c)) + return -ENODEV; + } + /* + * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR + * should match + */ + if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address) + return -ENODEV; + + /* Put it now into bank 0 and Vendor ID High Byte */ + w83792d_write_value(client, + W83792D_REG_BANK, + (w83792d_read_value(client, + W83792D_REG_BANK) & 0x78) | 0x80); + + /* Determine the chip type. */ + val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); + val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); + if (val1 != 0x7a || val2 != 0x5c) + return -ENODEV; + + strlcpy(info->type, "w83792d", I2C_NAME_SIZE); + + return 0; +} + +static int +w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct w83792d_data *data; + struct device *dev = &client->dev; + int i, val1, err; + + data = devm_kzalloc(dev, sizeof(struct w83792d_data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + + err = w83792d_detect_subclients(client); + if (err) + return err; + + /* Initialize the chip */ + w83792d_init_client(client); + + /* A few vars need to be filled upon startup */ + for (i = 0; i < 7; i++) { + data->fan_min[i] = w83792d_read_value(client, + W83792D_REG_FAN_MIN[i]); + } + + /* Register sysfs hooks */ + err = sysfs_create_group(&dev->kobj, &w83792d_group); + if (err) + goto exit_i2c_unregister; + + /* + * Read GPIO enable register to check if pins for fan 4,5 are used as + * GPIO + */ + val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); + + if (!(val1 & 0x40)) { + err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]); + if (err) + goto exit_remove_files; + } + + if (!(val1 & 0x20)) { + err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]); + if (err) + goto exit_remove_files; + } + + val1 = w83792d_read_value(client, W83792D_REG_PIN); + if (val1 & 0x40) { + err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]); + if (err) + goto exit_remove_files; + } + + if (val1 & 0x04) { + err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]); + if (err) + goto exit_remove_files; + } + + data->hwmon_dev = hwmon_device_register(dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto exit_remove_files; + } + + return 0; + +exit_remove_files: + sysfs_remove_group(&dev->kobj, &w83792d_group); + for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) + sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]); +exit_i2c_unregister: + i2c_unregister_device(data->lm75[0]); + i2c_unregister_device(data->lm75[1]); + return err; +} + +static int +w83792d_remove(struct i2c_client *client) +{ + struct w83792d_data *data = i2c_get_clientdata(client); + int i; + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &w83792d_group); + for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) + sysfs_remove_group(&client->dev.kobj, + &w83792d_group_fan[i]); + + i2c_unregister_device(data->lm75[0]); + i2c_unregister_device(data->lm75[1]); + + return 0; +} + +static void +w83792d_init_client(struct i2c_client *client) +{ + u8 temp2_cfg, temp3_cfg, vid_in_b; + + if (init) + w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); + + /* + * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): + * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of + * vin0/vin1 can be modified by user; + * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of + * vin0/vin1 auto-updated, can NOT be modified by user. + */ + vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); + w83792d_write_value(client, W83792D_REG_VID_IN_B, + vid_in_b & 0xbf); + + temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); + temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); + w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, + temp2_cfg & 0xe6); + w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, + temp3_cfg & 0xe6); + + /* Start monitoring */ + w83792d_write_value(client, W83792D_REG_CONFIG, + (w83792d_read_value(client, + W83792D_REG_CONFIG) & 0xf7) + | 0x01); +} + +static struct w83792d_data *w83792d_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83792d_data *data = i2c_get_clientdata(client); + int i, j; + u8 reg_array_tmp[4], reg_tmp; + + mutex_lock(&data->update_lock); + + if (time_after + (jiffies - data->last_updated, (unsigned long) (HZ * 3)) + || time_before(jiffies, data->last_updated) || !data->valid) { + dev_dbg(dev, "Starting device update\n"); + + /* Update the voltages measured value and limits */ + for (i = 0; i < 9; i++) { + data->in[i] = w83792d_read_value(client, + W83792D_REG_IN[i]); + data->in_max[i] = w83792d_read_value(client, + W83792D_REG_IN_MAX[i]); + data->in_min[i] = w83792d_read_value(client, + W83792D_REG_IN_MIN[i]); + } + data->low_bits = w83792d_read_value(client, + W83792D_REG_LOW_BITS1) + + (w83792d_read_value(client, + W83792D_REG_LOW_BITS2) << 8); + for (i = 0; i < 7; i++) { + /* Update the Fan measured value and limits */ + data->fan[i] = w83792d_read_value(client, + W83792D_REG_FAN[i]); + data->fan_min[i] = w83792d_read_value(client, + W83792D_REG_FAN_MIN[i]); + /* Update the PWM/DC Value and PWM/DC flag */ + data->pwm[i] = w83792d_read_value(client, + W83792D_REG_PWM[i]); + } + + reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); + data->pwmenable[0] = reg_tmp & 0x03; + data->pwmenable[1] = (reg_tmp>>2) & 0x03; + data->pwmenable[2] = (reg_tmp>>4) & 0x03; + + for (i = 0; i < 3; i++) { + data->temp1[i] = w83792d_read_value(client, + W83792D_REG_TEMP1[i]); + } + for (i = 0; i < 2; i++) { + for (j = 0; j < 6; j++) { + data->temp_add[i][j] = w83792d_read_value( + client, W83792D_REG_TEMP_ADD[i][j]); + } + } + + /* Update the Fan Divisor */ + for (i = 0; i < 4; i++) { + reg_array_tmp[i] = w83792d_read_value(client, + W83792D_REG_FAN_DIV[i]); + } + data->fan_div[0] = reg_array_tmp[0] & 0x07; + data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; + data->fan_div[2] = reg_array_tmp[1] & 0x07; + data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; + data->fan_div[4] = reg_array_tmp[2] & 0x07; + data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; + data->fan_div[6] = reg_array_tmp[3] & 0x07; + + /* Update the realtime status */ + data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + + (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + + (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); + + /* Update CaseOpen status and it's CLR_CHS. */ + data->chassis = (w83792d_read_value(client, + W83792D_REG_CHASSIS) >> 5) & 0x01; + + /* Update Thermal Cruise/Smart Fan I target value */ + for (i = 0; i < 3; i++) { + data->thermal_cruise[i] = + w83792d_read_value(client, + W83792D_REG_THERMAL[i]) & 0x7f; + } + + /* Update Smart Fan I/II tolerance */ + reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); + data->tolerance[0] = reg_tmp & 0x0f; + data->tolerance[1] = (reg_tmp >> 4) & 0x0f; + data->tolerance[2] = w83792d_read_value(client, + W83792D_REG_TOLERANCE[2]) & 0x0f; + + /* Update Smart Fan II temperature points */ + for (i = 0; i < 3; i++) { + for (j = 0; j < 4; j++) { + data->sf2_points[i][j] + = w83792d_read_value(client, + W83792D_REG_POINTS[i][j]) & 0x7f; + } + } + + /* Update Smart Fan II duty cycle levels */ + for (i = 0; i < 3; i++) { + reg_tmp = w83792d_read_value(client, + W83792D_REG_LEVELS[i][0]); + data->sf2_levels[i][0] = reg_tmp & 0x0f; + data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; + reg_tmp = w83792d_read_value(client, + W83792D_REG_LEVELS[i][2]); + data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; + data->sf2_levels[i][3] = reg_tmp & 0x0f; + } + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + +#ifdef DEBUG + w83792d_print_debug(data, dev); +#endif + + return data; +} + +#ifdef DEBUG +static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) +{ + int i = 0, j = 0; + dev_dbg(dev, "==========The following is the debug message...========\n"); + dev_dbg(dev, "9 set of Voltages: =====>\n"); + for (i = 0; i < 9; i++) { + dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); + dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); + dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); + } + dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); + dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); + dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); + for (i = 0; i < 7; i++) { + dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); + dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); + dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); + } + dev_dbg(dev, "3 set of Temperatures: =====>\n"); + for (i = 0; i < 3; i++) + dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); + + for (i = 0; i < 2; i++) { + for (j = 0; j < 6; j++) { + dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, + data->temp_add[i][j]); + } + } + + for (i = 0; i < 7; i++) + dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); + + dev_dbg(dev, "==========End of the debug message...================\n"); + dev_dbg(dev, "\n"); +} +#endif + +module_i2c_driver(w83792d_driver); + +MODULE_AUTHOR("Shane Huang (Winbond)"); +MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); +MODULE_LICENSE("GPL"); |