| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * 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> |
| * |
| * 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; |
| bool valid; /* true if following fields are valid */ |
| unsigned long last_updated; /* In jiffies */ |
| |
| u8 in[9]; /* Register value */ |
| u8 in_max[9]; /* Register value */ |
| u8 in_min[9]; /* Register value */ |
| 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); |
| static int w83792d_detect(struct i2c_client *client, |
| struct i2c_board_info *info); |
| static void 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" }, |
| { } |
| }; |
| 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 = false; /* 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; |
| int address = new_client->addr; |
| u8 val; |
| struct i2c_adapter *adapter = new_client->adapter; |
| |
| 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]); |
| return -ENODEV; |
| } |
| } |
| 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 & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { |
| dev_err(&new_client->dev, |
| "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); |
| return -ENODEV; |
| } |
| |
| if (!(val & 0x08)) |
| devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + (val & 0x7)); |
| |
| if (!(val & 0x80)) |
| devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); |
| |
| return 0; |
| } |
| |
| 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; |
| |
| strscpy(info->type, "w83792d", I2C_NAME_SIZE); |
| |
| return 0; |
| } |
| |
| static int |
| w83792d_probe(struct i2c_client *client) |
| { |
| 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) |
| return err; |
| |
| /* |
| * 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]); |
| return err; |
| } |
| |
| static void |
| 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]); |
| } |
| |
| 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 = true; |
| } |
| |
| 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"); |
