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drivers/hwmon/adt7475.c
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/* * adt7475 - Thermal sensor driver for the ADT7475 chip and derivatives * Copyright (C) 2007-2008, Advanced Micro Devices, Inc. * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net> * Copyright (C) 2008 Hans de Goede <hdegoede@redhat.com> |
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* Copyright (C) 2009 Jean Delvare <khali@linux-fr.org> * |
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* Derived from the lm83 driver by Jean Delvare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #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> |
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#include <linux/hwmon-vid.h> |
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#include <linux/err.h> /* Indexes for the sysfs hooks */ #define INPUT 0 #define MIN 1 #define MAX 2 #define CONTROL 3 #define OFFSET 3 #define AUTOMIN 4 #define THERM 5 #define HYSTERSIS 6 /* These are unique identifiers for the sysfs functions - unlike the numbers above, these are not also indexes into an array */ #define ALARM 9 #define FAULT 10 /* 7475 Common Registers */ |
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#define REG_DEVREV2 0x12 /* ADT7490 only */ |
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#define REG_VTT 0x1E /* ADT7490 only */ #define REG_EXTEND3 0x1F /* ADT7490 only */ |
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#define REG_VOLTAGE_BASE 0x20 |
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#define REG_TEMP_BASE 0x25 #define REG_TACH_BASE 0x28 #define REG_PWM_BASE 0x30 #define REG_PWM_MAX_BASE 0x38 #define REG_DEVID 0x3D #define REG_VENDID 0x3E |
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#define REG_DEVID2 0x3F |
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#define REG_STATUS1 0x41 #define REG_STATUS2 0x42 |
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#define REG_VID 0x43 /* ADT7476 only */ |
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#define REG_VOLTAGE_MIN_BASE 0x44 #define REG_VOLTAGE_MAX_BASE 0x45 |
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#define REG_TEMP_MIN_BASE 0x4E #define REG_TEMP_MAX_BASE 0x4F #define REG_TACH_MIN_BASE 0x54 #define REG_PWM_CONFIG_BASE 0x5C #define REG_TEMP_TRANGE_BASE 0x5F #define REG_PWM_MIN_BASE 0x64 #define REG_TEMP_TMIN_BASE 0x67 #define REG_TEMP_THERM_BASE 0x6A #define REG_REMOTE1_HYSTERSIS 0x6D #define REG_REMOTE2_HYSTERSIS 0x6E #define REG_TEMP_OFFSET_BASE 0x70 |
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#define REG_CONFIG2 0x73 |
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#define REG_EXTEND1 0x76 #define REG_EXTEND2 0x77 |
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#define REG_CONFIG3 0x78 |
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#define REG_CONFIG5 0x7C |
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#define REG_CONFIG4 0x7D |
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#define REG_STATUS4 0x81 /* ADT7490 only */ #define REG_VTT_MIN 0x84 /* ADT7490 only */ #define REG_VTT_MAX 0x86 /* ADT7490 only */ |
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#define VID_VIDSEL 0x80 /* ADT7476 only */ |
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#define CONFIG2_ATTN 0x20 |
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#define CONFIG3_SMBALERT 0x01 #define CONFIG3_THERM 0x02 #define CONFIG4_PINFUNC 0x03 |
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#define CONFIG4_MAXDUTY 0x08 |
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#define CONFIG4_ATTN_IN10 0x30 #define CONFIG4_ATTN_IN43 0xC0 |
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#define CONFIG5_TWOSCOMP 0x01 #define CONFIG5_TEMPOFFSET 0x02 |
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#define CONFIG5_VIDGPIO 0x10 /* ADT7476 only */ |
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/* ADT7475 Settings */ |
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#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */ |
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#define ADT7475_TEMP_COUNT 3 #define ADT7475_TACH_COUNT 4 #define ADT7475_PWM_COUNT 3 /* Macro to read the registers */ #define adt7475_read(reg) i2c_smbus_read_byte_data(client, (reg)) /* Macros to easily index the registers */ #define TACH_REG(idx) (REG_TACH_BASE + ((idx) * 2)) #define TACH_MIN_REG(idx) (REG_TACH_MIN_BASE + ((idx) * 2)) #define PWM_REG(idx) (REG_PWM_BASE + (idx)) #define PWM_MAX_REG(idx) (REG_PWM_MAX_BASE + (idx)) #define PWM_MIN_REG(idx) (REG_PWM_MIN_BASE + (idx)) #define PWM_CONFIG_REG(idx) (REG_PWM_CONFIG_BASE + (idx)) #define VOLTAGE_REG(idx) (REG_VOLTAGE_BASE + (idx)) #define VOLTAGE_MIN_REG(idx) (REG_VOLTAGE_MIN_BASE + ((idx) * 2)) #define VOLTAGE_MAX_REG(idx) (REG_VOLTAGE_MAX_BASE + ((idx) * 2)) #define TEMP_REG(idx) (REG_TEMP_BASE + (idx)) #define TEMP_MIN_REG(idx) (REG_TEMP_MIN_BASE + ((idx) * 2)) #define TEMP_MAX_REG(idx) (REG_TEMP_MAX_BASE + ((idx) * 2)) #define TEMP_TMIN_REG(idx) (REG_TEMP_TMIN_BASE + (idx)) #define TEMP_THERM_REG(idx) (REG_TEMP_THERM_BASE + (idx)) #define TEMP_OFFSET_REG(idx) (REG_TEMP_OFFSET_BASE + (idx)) #define TEMP_TRANGE_REG(idx) (REG_TEMP_TRANGE_BASE + (idx)) |
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static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
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enum chips { adt7473, adt7475, adt7476, adt7490 }; |
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static const struct i2c_device_id adt7475_id[] = { |
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{ "adt7473", adt7473 }, |
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{ "adt7475", adt7475 }, |
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{ "adt7476", adt7476 }, |
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{ "adt7490", adt7490 }, |
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{ } }; MODULE_DEVICE_TABLE(i2c, adt7475_id); struct adt7475_data { struct device *hwmon_dev; struct mutex lock; unsigned long measure_updated; unsigned long limits_updated; char valid; |
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u8 config4; |
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u8 config5; |
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u8 has_voltage; |
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u8 bypass_attn; /* Bypass voltage attenuator */ |
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u8 has_pwm2:1; u8 has_fan4:1; |
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u8 has_vid:1; |
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u32 alarms; |
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u16 voltage[3][6]; |
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u16 temp[7][3]; u16 tach[2][4]; u8 pwm[4][3]; u8 range[3]; u8 pwmctl[3]; u8 pwmchan[3]; |
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u8 vid; u8 vrm; |
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}; static struct i2c_driver adt7475_driver; static struct adt7475_data *adt7475_update_device(struct device *dev); static void adt7475_read_hystersis(struct i2c_client *client); static void adt7475_read_pwm(struct i2c_client *client, int index); /* Given a temp value, convert it to register value */ static inline u16 temp2reg(struct adt7475_data *data, long val) { u16 ret; if (!(data->config5 & CONFIG5_TWOSCOMP)) { val = SENSORS_LIMIT(val, -64000, 191000); ret = (val + 64500) / 1000; } else { val = SENSORS_LIMIT(val, -128000, 127000); if (val < -500) ret = (256500 + val) / 1000; else ret = (val + 500) / 1000; } return ret << 2; } /* Given a register value, convert it to a real temp value */ static inline int reg2temp(struct adt7475_data *data, u16 reg) { if (data->config5 & CONFIG5_TWOSCOMP) { if (reg >= 512) return (reg - 1024) * 250; else return reg * 250; } else return (reg - 256) * 250; } static inline int tach2rpm(u16 tach) { if (tach == 0 || tach == 0xFFFF) return 0; return (90000 * 60) / tach; } static inline u16 rpm2tach(unsigned long rpm) { if (rpm == 0) return 0; return SENSORS_LIMIT((90000 * 60) / rpm, 1, 0xFFFF); } |
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/* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */ static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = { { 45, 94 }, /* +2.5V */ { 175, 525 }, /* Vccp */ { 68, 71 }, /* Vcc */ { 93, 47 }, /* +5V */ { 120, 20 }, /* +12V */ { 45, 45 }, /* Vtt */ }; |
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static inline int reg2volt(int channel, u16 reg, u8 bypass_attn) |
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{ |
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const int *r = adt7473_in_scaling[channel]; |
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if (bypass_attn & (1 << channel)) return DIV_ROUND_CLOSEST(reg * 2250, 1024); |
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return DIV_ROUND_CLOSEST(reg * (r[0] + r[1]) * 2250, r[1] * 1024); |
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} |
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static inline u16 volt2reg(int channel, long volt, u8 bypass_attn) |
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{ |
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const int *r = adt7473_in_scaling[channel]; long reg; |
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if (bypass_attn & (1 << channel)) reg = (volt * 1024) / 2250; else reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250); |
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return SENSORS_LIMIT(reg, 0, 1023) & (0xff << 2); |
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} static u16 adt7475_read_word(struct i2c_client *client, int reg) { u16 val; val = i2c_smbus_read_byte_data(client, reg); val |= (i2c_smbus_read_byte_data(client, reg + 1) << 8); return val; } static void adt7475_write_word(struct i2c_client *client, int reg, u16 val) { i2c_smbus_write_byte_data(client, reg + 1, val >> 8); i2c_smbus_write_byte_data(client, reg, val & 0xFF); } /* Find the nearest value in a table - used for pwm frequency and auto temp range */ static int find_nearest(long val, const int *array, int size) { int i; if (val < array[0]) return 0; if (val > array[size - 1]) return size - 1; for (i = 0; i < size - 1; i++) { int a, b; if (val > array[i + 1]) continue; a = val - array[i]; b = array[i + 1] - val; return (a <= b) ? i : i + 1; } return 0; } static ssize_t show_voltage(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); unsigned short val; switch (sattr->nr) { case ALARM: return sprintf(buf, "%d ", |
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(data->alarms >> sattr->index) & 1); |
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default: val = data->voltage[sattr->nr][sattr->index]; |
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return sprintf(buf, "%d ", reg2volt(sattr->index, val, data->bypass_attn)); |
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} } static ssize_t set_voltage(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); unsigned char reg; long val; |
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if (kstrtol(buf, 10, &val)) |
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return -EINVAL; mutex_lock(&data->lock); |
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data->voltage[sattr->nr][sattr->index] = volt2reg(sattr->index, val, data->bypass_attn); |
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if (sattr->index < ADT7475_VOLTAGE_COUNT) { if (sattr->nr == MIN) reg = VOLTAGE_MIN_REG(sattr->index); else reg = VOLTAGE_MAX_REG(sattr->index); } else { if (sattr->nr == MIN) reg = REG_VTT_MIN; else reg = REG_VTT_MAX; } |
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i2c_smbus_write_byte_data(client, reg, data->voltage[sattr->nr][sattr->index] >> 2); mutex_unlock(&data->lock); return count; } static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); int out; switch (sattr->nr) { case HYSTERSIS: mutex_lock(&data->lock); out = data->temp[sattr->nr][sattr->index]; if (sattr->index != 1) out = (out >> 4) & 0xF; else out = (out & 0xF); /* Show the value as an absolute number tied to * THERM */ out = reg2temp(data, data->temp[THERM][sattr->index]) - out * 1000; mutex_unlock(&data->lock); break; case OFFSET: /* Offset is always 2's complement, regardless of the * setting in CONFIG5 */ mutex_lock(&data->lock); out = (s8)data->temp[sattr->nr][sattr->index]; if (data->config5 & CONFIG5_TEMPOFFSET) out *= 1000; else out *= 500; mutex_unlock(&data->lock); break; case ALARM: out = (data->alarms >> (sattr->index + 4)) & 1; break; case FAULT: /* Note - only for remote1 and remote2 */ |
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out = !!(data->alarms & (sattr->index ? 0x8000 : 0x4000)); |
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break; default: /* All other temp values are in the configured format */ out = reg2temp(data, data->temp[sattr->nr][sattr->index]); } return sprintf(buf, "%d ", out); } static ssize_t set_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); unsigned char reg = 0; u8 out; int temp; long val; |
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if (kstrtol(buf, 10, &val)) |
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return -EINVAL; mutex_lock(&data->lock); /* We need the config register in all cases for temp <-> reg conv. */ data->config5 = adt7475_read(REG_CONFIG5); switch (sattr->nr) { case OFFSET: if (data->config5 & CONFIG5_TEMPOFFSET) { val = SENSORS_LIMIT(val, -63000, 127000); out = data->temp[OFFSET][sattr->index] = val / 1000; } else { val = SENSORS_LIMIT(val, -63000, 64000); out = data->temp[OFFSET][sattr->index] = val / 500; } break; case HYSTERSIS: /* The value will be given as an absolute value, turn it into an offset based on THERM */ /* Read fresh THERM and HYSTERSIS values from the chip */ data->temp[THERM][sattr->index] = adt7475_read(TEMP_THERM_REG(sattr->index)) << 2; adt7475_read_hystersis(client); temp = reg2temp(data, data->temp[THERM][sattr->index]); val = SENSORS_LIMIT(val, temp - 15000, temp); val = (temp - val) / 1000; if (sattr->index != 1) { data->temp[HYSTERSIS][sattr->index] &= 0xF0; data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4; } else { data->temp[HYSTERSIS][sattr->index] &= 0x0F; data->temp[HYSTERSIS][sattr->index] |= (val & 0xF); } out = data->temp[HYSTERSIS][sattr->index]; break; default: data->temp[sattr->nr][sattr->index] = temp2reg(data, val); /* We maintain an extra 2 digits of precision for simplicity * - shift those back off before writing the value */ out = (u8) (data->temp[sattr->nr][sattr->index] >> 2); } switch (sattr->nr) { case MIN: reg = TEMP_MIN_REG(sattr->index); break; case MAX: reg = TEMP_MAX_REG(sattr->index); break; case OFFSET: reg = TEMP_OFFSET_REG(sattr->index); break; case AUTOMIN: reg = TEMP_TMIN_REG(sattr->index); break; case THERM: reg = TEMP_THERM_REG(sattr->index); break; case HYSTERSIS: if (sattr->index != 2) reg = REG_REMOTE1_HYSTERSIS; else reg = REG_REMOTE2_HYSTERSIS; break; } i2c_smbus_write_byte_data(client, reg, out); mutex_unlock(&data->lock); return count; } /* Table of autorange values - the user will write the value in millidegrees, and we'll convert it */ static const int autorange_table[] = { 2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000, 13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000 }; static ssize_t show_point2(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); int out, val; mutex_lock(&data->lock); out = (data->range[sattr->index] >> 4) & 0x0F; val = reg2temp(data, data->temp[AUTOMIN][sattr->index]); mutex_unlock(&data->lock); return sprintf(buf, "%d ", val + autorange_table[out]); } static ssize_t set_point2(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); int temp; long val; |
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if (kstrtol(buf, 10, &val)) |
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return -EINVAL; mutex_lock(&data->lock); /* Get a fresh copy of the needed registers */ data->config5 = adt7475_read(REG_CONFIG5); data->temp[AUTOMIN][sattr->index] = adt7475_read(TEMP_TMIN_REG(sattr->index)) << 2; data->range[sattr->index] = adt7475_read(TEMP_TRANGE_REG(sattr->index)); /* The user will write an absolute value, so subtract the start point to figure the range */ temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]); val = SENSORS_LIMIT(val, temp + autorange_table[0], temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]); val -= temp; /* Find the nearest table entry to what the user wrote */ val = find_nearest(val, autorange_table, ARRAY_SIZE(autorange_table)); data->range[sattr->index] &= ~0xF0; data->range[sattr->index] |= val << 4; i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), data->range[sattr->index]); mutex_unlock(&data->lock); return count; } static ssize_t show_tach(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); int out; if (sattr->nr == ALARM) out = (data->alarms >> (sattr->index + 10)) & 1; else out = tach2rpm(data->tach[sattr->nr][sattr->index]); return sprintf(buf, "%d ", out); } static ssize_t set_tach(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); unsigned long val; |
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if (kstrtoul(buf, 10, &val)) |
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return -EINVAL; mutex_lock(&data->lock); data->tach[MIN][sattr->index] = rpm2tach(val); adt7475_write_word(client, TACH_MIN_REG(sattr->index), data->tach[MIN][sattr->index]); mutex_unlock(&data->lock); return count; } static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); return sprintf(buf, "%d ", data->pwm[sattr->nr][sattr->index]); } static ssize_t show_pwmchan(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); return sprintf(buf, "%d ", data->pwmchan[sattr->index]); } static ssize_t show_pwmctrl(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); return sprintf(buf, "%d ", data->pwmctl[sattr->index]); } static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); unsigned char reg = 0; long val; |
179c4fdb5 hwmon: replaced s... |
641 |
if (kstrtol(buf, 10, &val)) |
1c301fc53 hwmon: Add a driv... |
642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 |
return -EINVAL; mutex_lock(&data->lock); switch (sattr->nr) { case INPUT: /* Get a fresh value for CONTROL */ data->pwm[CONTROL][sattr->index] = adt7475_read(PWM_CONFIG_REG(sattr->index)); /* If we are not in manual mode, then we shouldn't allow * the user to set the pwm speed */ if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) { mutex_unlock(&data->lock); return count; } reg = PWM_REG(sattr->index); break; case MIN: reg = PWM_MIN_REG(sattr->index); break; case MAX: reg = PWM_MAX_REG(sattr->index); break; } data->pwm[sattr->nr][sattr->index] = SENSORS_LIMIT(val, 0, 0xFF); i2c_smbus_write_byte_data(client, reg, data->pwm[sattr->nr][sattr->index]); mutex_unlock(&data->lock); return count; } /* Called by set_pwmctrl and set_pwmchan */ static int hw_set_pwm(struct i2c_client *client, int index, unsigned int pwmctl, unsigned int pwmchan) { struct adt7475_data *data = i2c_get_clientdata(client); long val = 0; switch (pwmctl) { case 0: val = 0x03; /* Run at full speed */ break; case 1: val = 0x07; /* Manual mode */ break; case 2: switch (pwmchan) { case 1: /* Remote1 controls PWM */ val = 0x00; break; case 2: /* local controls PWM */ val = 0x01; break; case 4: /* remote2 controls PWM */ val = 0x02; break; case 6: /* local/remote2 control PWM */ val = 0x05; break; case 7: /* All three control PWM */ val = 0x06; break; default: return -EINVAL; } break; default: return -EINVAL; } data->pwmctl[index] = pwmctl; data->pwmchan[index] = pwmchan; data->pwm[CONTROL][index] &= ~0xE0; data->pwm[CONTROL][index] |= (val & 7) << 5; i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), data->pwm[CONTROL][index]); return 0; } static ssize_t set_pwmchan(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); int r; long val; |
179c4fdb5 hwmon: replaced s... |
745 |
if (kstrtol(buf, 10, &val)) |
1c301fc53 hwmon: Add a driv... |
746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 |
return -EINVAL; mutex_lock(&data->lock); /* Read Modify Write PWM values */ adt7475_read_pwm(client, sattr->index); r = hw_set_pwm(client, sattr->index, data->pwmctl[sattr->index], val); if (r) count = r; mutex_unlock(&data->lock); return count; } static ssize_t set_pwmctrl(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); int r; long val; |
179c4fdb5 hwmon: replaced s... |
767 |
if (kstrtol(buf, 10, &val)) |
1c301fc53 hwmon: Add a driv... |
768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 |
return -EINVAL; mutex_lock(&data->lock); /* Read Modify Write PWM values */ adt7475_read_pwm(client, sattr->index); r = hw_set_pwm(client, sattr->index, val, data->pwmchan[sattr->index]); if (r) count = r; mutex_unlock(&data->lock); return count; } /* List of frequencies for the PWM */ static const int pwmfreq_table[] = { 11, 14, 22, 29, 35, 44, 58, 88 }; static ssize_t show_pwmfreq(struct device *dev, struct device_attribute *attr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); return sprintf(buf, "%d ", pwmfreq_table[data->range[sattr->index] & 7]); } static ssize_t set_pwmfreq(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); int out; long val; |
179c4fdb5 hwmon: replaced s... |
805 |
if (kstrtol(buf, 10, &val)) |
1c301fc53 hwmon: Add a driv... |
806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 |
return -EINVAL; out = find_nearest(val, pwmfreq_table, ARRAY_SIZE(pwmfreq_table)); mutex_lock(&data->lock); data->range[sattr->index] = adt7475_read(TEMP_TRANGE_REG(sattr->index)); data->range[sattr->index] &= ~7; data->range[sattr->index] |= out; i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), data->range[sattr->index]); mutex_unlock(&data->lock); return count; } |
f99318b25 hwmon: (adt7475) ... |
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 |
static ssize_t show_pwm_at_crit(struct device *dev, struct device_attribute *devattr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); return sprintf(buf, "%d ", !!(data->config4 & CONFIG4_MAXDUTY)); } static ssize_t set_pwm_at_crit(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); long val; |
179c4fdb5 hwmon: replaced s... |
838 |
if (kstrtol(buf, 10, &val)) |
f99318b25 hwmon: (adt7475) ... |
839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 |
return -EINVAL; if (val != 0 && val != 1) return -EINVAL; mutex_lock(&data->lock); data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4); if (val) data->config4 |= CONFIG4_MAXDUTY; else data->config4 &= ~CONFIG4_MAXDUTY; i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4); mutex_unlock(&data->lock); return count; } |
54fe4671a hwmon: (adt7475) ... |
854 855 856 857 858 859 860 861 862 863 864 865 866 |
static ssize_t show_vrm(struct device *dev, struct device_attribute *devattr, char *buf) { struct adt7475_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d ", (int)data->vrm); } static ssize_t set_vrm(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct adt7475_data *data = dev_get_drvdata(dev); long val; |
179c4fdb5 hwmon: replaced s... |
867 |
if (kstrtol(buf, 10, &val)) |
54fe4671a hwmon: (adt7475) ... |
868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 |
return -EINVAL; if (val < 0 || val > 255) return -EINVAL; data->vrm = val; return count; } static ssize_t show_vid(struct device *dev, struct device_attribute *devattr, char *buf) { struct adt7475_data *data = adt7475_update_device(dev); return sprintf(buf, "%d ", vid_from_reg(data->vid, data->vrm)); } |
3d8499817 hwmon: (adt7475) ... |
883 884 885 886 887 888 |
static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_voltage, NULL, INPUT, 0); static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 0); static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 0); static SENSOR_DEVICE_ATTR_2(in0_alarm, S_IRUGO, show_voltage, NULL, ALARM, 0); |
cffb9dd07 hwmon: (adt7475) ... |
889 |
static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_voltage, NULL, INPUT, 1); |
1c301fc53 hwmon: Add a driv... |
890 |
static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd07 hwmon: (adt7475) ... |
891 |
set_voltage, MAX, 1); |
1c301fc53 hwmon: Add a driv... |
892 |
static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd07 hwmon: (adt7475) ... |
893 894 895 |
set_voltage, MIN, 1); static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, show_voltage, NULL, ALARM, 1); static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_voltage, NULL, INPUT, 2); |
1c301fc53 hwmon: Add a driv... |
896 |
static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd07 hwmon: (adt7475) ... |
897 |
set_voltage, MAX, 2); |
1c301fc53 hwmon: Add a driv... |
898 |
static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd07 hwmon: (adt7475) ... |
899 900 |
set_voltage, MIN, 2); static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, show_voltage, NULL, ALARM, 2); |
3d8499817 hwmon: (adt7475) ... |
901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 |
static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_voltage, NULL, INPUT, 3); static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 3); static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 3); static SENSOR_DEVICE_ATTR_2(in3_alarm, S_IRUGO, show_voltage, NULL, ALARM, 3); static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_voltage, NULL, INPUT, 4); static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 4); static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 4); static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, show_voltage, NULL, ALARM, 8); static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_voltage, NULL, INPUT, 5); static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 5); static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 5); static SENSOR_DEVICE_ATTR_2(in5_alarm, S_IRUGO, show_voltage, NULL, ALARM, 31); |
1c301fc53 hwmon: Add a driv... |
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 |
static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, INPUT, 0); static SENSOR_DEVICE_ATTR_2(temp1_alarm, S_IRUGO, show_temp, NULL, ALARM, 0); static SENSOR_DEVICE_ATTR_2(temp1_fault, S_IRUGO, show_temp, NULL, FAULT, 0); static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp, MAX, 0); static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp, MIN, 0); static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp, set_temp, OFFSET, 0); static SENSOR_DEVICE_ATTR_2(temp1_auto_point1_temp, S_IRUGO | S_IWUSR, show_temp, set_temp, AUTOMIN, 0); static SENSOR_DEVICE_ATTR_2(temp1_auto_point2_temp, S_IRUGO | S_IWUSR, show_point2, set_point2, 0, 0); static SENSOR_DEVICE_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, THERM, 0); static SENSOR_DEVICE_ATTR_2(temp1_crit_hyst, S_IRUGO | S_IWUSR, show_temp, set_temp, HYSTERSIS, 0); static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, INPUT, 1); static SENSOR_DEVICE_ATTR_2(temp2_alarm, S_IRUGO, show_temp, NULL, ALARM, 1); static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp, MAX, 1); static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp, MIN, 1); static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp, set_temp, OFFSET, 1); static SENSOR_DEVICE_ATTR_2(temp2_auto_point1_temp, S_IRUGO | S_IWUSR, show_temp, set_temp, AUTOMIN, 1); static SENSOR_DEVICE_ATTR_2(temp2_auto_point2_temp, S_IRUGO | S_IWUSR, show_point2, set_point2, 0, 1); static SENSOR_DEVICE_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, THERM, 1); static SENSOR_DEVICE_ATTR_2(temp2_crit_hyst, S_IRUGO | S_IWUSR, show_temp, set_temp, HYSTERSIS, 1); static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, INPUT, 2); static SENSOR_DEVICE_ATTR_2(temp3_alarm, S_IRUGO, show_temp, NULL, ALARM, 2); static SENSOR_DEVICE_ATTR_2(temp3_fault, S_IRUGO, show_temp, NULL, FAULT, 2); static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp, MAX, 2); static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp, MIN, 2); static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp, set_temp, OFFSET, 2); static SENSOR_DEVICE_ATTR_2(temp3_auto_point1_temp, S_IRUGO | S_IWUSR, show_temp, set_temp, AUTOMIN, 2); static SENSOR_DEVICE_ATTR_2(temp3_auto_point2_temp, S_IRUGO | S_IWUSR, show_point2, set_point2, 0, 2); static SENSOR_DEVICE_ATTR_2(temp3_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, THERM, 2); static SENSOR_DEVICE_ATTR_2(temp3_crit_hyst, S_IRUGO | S_IWUSR, show_temp, set_temp, HYSTERSIS, 2); static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_tach, NULL, INPUT, 0); static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_tach, set_tach, MIN, 0); static SENSOR_DEVICE_ATTR_2(fan1_alarm, S_IRUGO, show_tach, NULL, ALARM, 0); static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_tach, NULL, INPUT, 1); static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_tach, set_tach, MIN, 1); static SENSOR_DEVICE_ATTR_2(fan2_alarm, S_IRUGO, show_tach, NULL, ALARM, 1); static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_tach, NULL, INPUT, 2); static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_tach, set_tach, MIN, 2); static SENSOR_DEVICE_ATTR_2(fan3_alarm, S_IRUGO, show_tach, NULL, ALARM, 2); static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_tach, NULL, INPUT, 3); static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_tach, set_tach, MIN, 3); static SENSOR_DEVICE_ATTR_2(fan4_alarm, S_IRUGO, show_tach, NULL, ALARM, 3); static SENSOR_DEVICE_ATTR_2(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, 0); static SENSOR_DEVICE_ATTR_2(pwm1_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 0); static SENSOR_DEVICE_ATTR_2(pwm1_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 0); |
84d2a314b hwmon: (adt7475) ... |
991 |
static SENSOR_DEVICE_ATTR_2(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc53 hwmon: Add a driv... |
992 993 994 995 996 997 998 999 1000 1001 1002 |
show_pwmchan, set_pwmchan, INPUT, 0); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 0); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MAX, 0); static SENSOR_DEVICE_ATTR_2(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, 1); static SENSOR_DEVICE_ATTR_2(pwm2_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 1); static SENSOR_DEVICE_ATTR_2(pwm2_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 1); |
84d2a314b hwmon: (adt7475) ... |
1003 |
static SENSOR_DEVICE_ATTR_2(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc53 hwmon: Add a driv... |
1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 |
show_pwmchan, set_pwmchan, INPUT, 1); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 1); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MAX, 1); static SENSOR_DEVICE_ATTR_2(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, 2); static SENSOR_DEVICE_ATTR_2(pwm3_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 2); static SENSOR_DEVICE_ATTR_2(pwm3_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 2); |
84d2a314b hwmon: (adt7475) ... |
1015 |
static SENSOR_DEVICE_ATTR_2(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc53 hwmon: Add a driv... |
1016 1017 1018 1019 1020 |
show_pwmchan, set_pwmchan, INPUT, 2); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 2); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MAX, 2); |
f99318b25 hwmon: (adt7475) ... |
1021 1022 1023 |
/* Non-standard name, might need revisiting */ static DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, show_pwm_at_crit, set_pwm_at_crit); |
54fe4671a hwmon: (adt7475) ... |
1024 1025 |
static DEVICE_ATTR(vrm, S_IWUSR | S_IRUGO, show_vrm, set_vrm); static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); |
1c301fc53 hwmon: Add a driv... |
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 |
static struct attribute *adt7475_attrs[] = { &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_in1_alarm.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_in2_alarm.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_alarm.dev_attr.attr, &sensor_dev_attr_temp1_fault.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_min.dev_attr.attr, &sensor_dev_attr_temp1_offset.dev_attr.attr, &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_temp1_crit.dev_attr.attr, &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp2_alarm.dev_attr.attr, &sensor_dev_attr_temp2_max.dev_attr.attr, &sensor_dev_attr_temp2_min.dev_attr.attr, &sensor_dev_attr_temp2_offset.dev_attr.attr, &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_temp2_crit.dev_attr.attr, &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, &sensor_dev_attr_temp3_input.dev_attr.attr, &sensor_dev_attr_temp3_fault.dev_attr.attr, &sensor_dev_attr_temp3_alarm.dev_attr.attr, &sensor_dev_attr_temp3_max.dev_attr.attr, &sensor_dev_attr_temp3_min.dev_attr.attr, &sensor_dev_attr_temp3_offset.dev_attr.attr, &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_temp3_crit.dev_attr.attr, &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.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_alarm.dev_attr.attr, &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
1c301fc53 hwmon: Add a driv... |
1073 1074 1075 |
&sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_freq.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
84d2a314b hwmon: (adt7475) ... |
1076 |
&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, |
1c301fc53 hwmon: Add a driv... |
1077 1078 |
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, |
1c301fc53 hwmon: Add a driv... |
1079 1080 1081 |
&sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm3_freq.dev_attr.attr, &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
84d2a314b hwmon: (adt7475) ... |
1082 |
&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, |
1c301fc53 hwmon: Add a driv... |
1083 1084 |
&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, |
f99318b25 hwmon: (adt7475) ... |
1085 |
&dev_attr_pwm_use_point2_pwm_at_crit.attr, |
1c301fc53 hwmon: Add a driv... |
1086 1087 |
NULL, }; |
378933c99 hwmon: (adt7475) ... |
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 |
static struct attribute *fan4_attrs[] = { &sensor_dev_attr_fan4_input.dev_attr.attr, &sensor_dev_attr_fan4_min.dev_attr.attr, &sensor_dev_attr_fan4_alarm.dev_attr.attr, NULL }; static struct attribute *pwm2_attrs[] = { &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm2_freq.dev_attr.attr, &sensor_dev_attr_pwm2_enable.dev_attr.attr, &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, NULL }; |
378933c99 hwmon: (adt7475) ... |
1104 |
static struct attribute *in0_attrs[] = { |
3d8499817 hwmon: (adt7475) ... |
1105 1106 1107 1108 |
&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_in0_alarm.dev_attr.attr, |
378933c99 hwmon: (adt7475) ... |
1109 1110 |
NULL }; |
d8d2ee073 hwmon: (adt7475) ... |
1111 |
static struct attribute *in3_attrs[] = { |
3d8499817 hwmon: (adt7475) ... |
1112 1113 1114 1115 |
&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_in3_alarm.dev_attr.attr, |
d8d2ee073 hwmon: (adt7475) ... |
1116 1117 1118 1119 |
NULL }; static struct attribute *in4_attrs[] = { |
3d8499817 hwmon: (adt7475) ... |
1120 1121 1122 1123 |
&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_in4_alarm.dev_attr.attr, |
d8d2ee073 hwmon: (adt7475) ... |
1124 1125 1126 1127 |
NULL }; static struct attribute *in5_attrs[] = { |
3d8499817 hwmon: (adt7475) ... |
1128 1129 1130 1131 1132 1133 |
&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_in5_alarm.dev_attr.attr, NULL }; |
54fe4671a hwmon: (adt7475) ... |
1134 1135 1136 1137 1138 |
static struct attribute *vid_attrs[] = { &dev_attr_cpu0_vid.attr, &dev_attr_vrm.attr, NULL }; |
54ecb9e3c hwmon: (adt7475) ... |
1139 |
static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; |
378933c99 hwmon: (adt7475) ... |
1140 1141 1142 |
static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; static struct attribute_group in0_attr_group = { .attrs = in0_attrs }; |
d8d2ee073 hwmon: (adt7475) ... |
1143 1144 1145 |
static struct attribute_group in3_attr_group = { .attrs = in3_attrs }; static struct attribute_group in4_attr_group = { .attrs = in4_attrs }; static struct attribute_group in5_attr_group = { .attrs = in5_attrs }; |
54fe4671a hwmon: (adt7475) ... |
1146 |
static struct attribute_group vid_attr_group = { .attrs = vid_attrs }; |
1c301fc53 hwmon: Add a driv... |
1147 |
|
310ec7921 i2c: Drop the kin... |
1148 |
static int adt7475_detect(struct i2c_client *client, |
1c301fc53 hwmon: Add a driv... |
1149 1150 1151 |
struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; |
d656b6fde hwmon: (adt7475) ... |
1152 |
int vendid, devid, devid2; |
b180d0508 hwmon: (adt7475) ... |
1153 |
const char *name; |
1c301fc53 hwmon: Add a driv... |
1154 1155 1156 |
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; |
b180d0508 hwmon: (adt7475) ... |
1157 |
vendid = adt7475_read(REG_VENDID); |
d656b6fde hwmon: (adt7475) ... |
1158 1159 1160 1161 |
devid2 = adt7475_read(REG_DEVID2); if (vendid != 0x41 || /* Analog Devices */ (devid2 & 0xf8) != 0x68) return -ENODEV; |
b180d0508 hwmon: (adt7475) ... |
1162 |
|
d656b6fde hwmon: (adt7475) ... |
1163 1164 |
devid = adt7475_read(REG_DEVID); if (devid == 0x73) |
b180d0508 hwmon: (adt7475) ... |
1165 |
name = "adt7473"; |
d656b6fde hwmon: (adt7475) ... |
1166 |
else if (devid == 0x75 && client->addr == 0x2e) |
b180d0508 hwmon: (adt7475) ... |
1167 |
name = "adt7475"; |
d8d2ee073 hwmon: (adt7475) ... |
1168 1169 |
else if (devid == 0x76) name = "adt7476"; |
3d8499817 hwmon: (adt7475) ... |
1170 1171 |
else if ((devid2 & 0xfc) == 0x6c) name = "adt7490"; |
b180d0508 hwmon: (adt7475) ... |
1172 1173 |
else { dev_dbg(&adapter->dev, |
d8d2ee073 hwmon: (adt7475) ... |
1174 |
"Couldn't detect an ADT7473/75/76/90 part at " |
b180d0508 hwmon: (adt7475) ... |
1175 1176 |
"0x%02x ", (unsigned int)client->addr); |
52df6440a hwmon: Clean up d... |
1177 |
return -ENODEV; |
1c301fc53 hwmon: Add a driv... |
1178 |
} |
b180d0508 hwmon: (adt7475) ... |
1179 |
strlcpy(info->type, name, I2C_NAME_SIZE); |
1c301fc53 hwmon: Add a driv... |
1180 1181 1182 |
return 0; } |
0f14480b6 hwmon: (adt7475) ... |
1183 1184 1185 1186 |
static void adt7475_remove_files(struct i2c_client *client, struct adt7475_data *data) { sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); |
378933c99 hwmon: (adt7475) ... |
1187 1188 1189 1190 1191 1192 |
if (data->has_fan4) sysfs_remove_group(&client->dev.kobj, &fan4_attr_group); if (data->has_pwm2) sysfs_remove_group(&client->dev.kobj, &pwm2_attr_group); if (data->has_voltage & (1 << 0)) sysfs_remove_group(&client->dev.kobj, &in0_attr_group); |
d8d2ee073 hwmon: (adt7475) ... |
1193 1194 1195 1196 1197 1198 |
if (data->has_voltage & (1 << 3)) sysfs_remove_group(&client->dev.kobj, &in3_attr_group); if (data->has_voltage & (1 << 4)) sysfs_remove_group(&client->dev.kobj, &in4_attr_group); if (data->has_voltage & (1 << 5)) sysfs_remove_group(&client->dev.kobj, &in5_attr_group); |
54fe4671a hwmon: (adt7475) ... |
1199 1200 |
if (data->has_vid) sysfs_remove_group(&client->dev.kobj, &vid_attr_group); |
0f14480b6 hwmon: (adt7475) ... |
1201 |
} |
1c301fc53 hwmon: Add a driv... |
1202 1203 1204 |
static int adt7475_probe(struct i2c_client *client, const struct i2c_device_id *id) { |
d07ca4ad2 hwmon: (adt7475) ... |
1205 1206 1207 |
static const char *names[] = { [adt7473] = "ADT7473", [adt7475] = "ADT7475", |
d8d2ee073 hwmon: (adt7475) ... |
1208 |
[adt7476] = "ADT7476", |
d07ca4ad2 hwmon: (adt7475) ... |
1209 1210 |
[adt7490] = "ADT7490", }; |
1c301fc53 hwmon: Add a driv... |
1211 |
struct adt7475_data *data; |
378933c99 hwmon: (adt7475) ... |
1212 |
int i, ret = 0, revision; |
ebfaf1fbb hwmon: (adt7475) ... |
1213 |
u8 config2, config3; |
1c301fc53 hwmon: Add a driv... |
1214 1215 1216 1217 1218 1219 1220 |
data = kzalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; mutex_init(&data->lock); i2c_set_clientdata(client, data); |
cffb9dd07 hwmon: (adt7475) ... |
1221 1222 |
/* Initialize device-specific values */ switch (id->driver_data) { |
d8d2ee073 hwmon: (adt7475) ... |
1223 1224 1225 1226 |
case adt7476: data->has_voltage = 0x0e; /* in1 to in3 */ revision = adt7475_read(REG_DEVID2) & 0x07; break; |
3d8499817 hwmon: (adt7475) ... |
1227 |
case adt7490: |
378933c99 hwmon: (adt7475) ... |
1228 1229 |
data->has_voltage = 0x3e; /* in1 to in5 */ revision = adt7475_read(REG_DEVID2) & 0x03; |
d07ca4ad2 hwmon: (adt7475) ... |
1230 1231 |
if (revision == 0x03) revision += adt7475_read(REG_DEVREV2); |
3d8499817 hwmon: (adt7475) ... |
1232 |
break; |
cffb9dd07 hwmon: (adt7475) ... |
1233 1234 |
default: data->has_voltage = 0x06; /* in1, in2 */ |
378933c99 hwmon: (adt7475) ... |
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 |
revision = adt7475_read(REG_DEVID2) & 0x07; } config3 = adt7475_read(REG_CONFIG3); /* Pin PWM2 may alternatively be used for ALERT output */ if (!(config3 & CONFIG3_SMBALERT)) data->has_pwm2 = 1; /* Meaning of this bit is inverted for the ADT7473-1 */ if (id->driver_data == adt7473 && revision >= 1) data->has_pwm2 = !data->has_pwm2; data->config4 = adt7475_read(REG_CONFIG4); /* Pin TACH4 may alternatively be used for THERM */ if ((data->config4 & CONFIG4_PINFUNC) == 0x0) data->has_fan4 = 1; |
d8d2ee073 hwmon: (adt7475) ... |
1250 1251 1252 |
/* THERM configuration is more complex on the ADT7476 and ADT7490, because 2 different pins (TACH4 and +2.5 Vin) can be used for this function */ |
378933c99 hwmon: (adt7475) ... |
1253 1254 1255 1256 |
if (id->driver_data == adt7490) { if ((data->config4 & CONFIG4_PINFUNC) == 0x1 && !(config3 & CONFIG3_THERM)) data->has_fan4 = 1; |
d8d2ee073 hwmon: (adt7475) ... |
1257 1258 |
} if (id->driver_data == adt7476 || id->driver_data == adt7490) { |
378933c99 hwmon: (adt7475) ... |
1259 1260 1261 |
if (!(config3 & CONFIG3_THERM) || (data->config4 & CONFIG4_PINFUNC) == 0x1) data->has_voltage |= (1 << 0); /* in0 */ |
cffb9dd07 hwmon: (adt7475) ... |
1262 |
} |
54fe4671a hwmon: (adt7475) ... |
1263 1264 |
/* On the ADT7476, the +12V input pin may instead be used as VID5, and VID pins may alternatively be used as GPIO */ |
d8d2ee073 hwmon: (adt7475) ... |
1265 1266 1267 1268 |
if (id->driver_data == adt7476) { u8 vid = adt7475_read(REG_VID); if (!(vid & VID_VIDSEL)) data->has_voltage |= (1 << 4); /* in4 */ |
54fe4671a hwmon: (adt7475) ... |
1269 1270 |
data->has_vid = !(adt7475_read(REG_CONFIG5) & CONFIG5_VIDGPIO); |
d8d2ee073 hwmon: (adt7475) ... |
1271 |
} |
ebfaf1fbb hwmon: (adt7475) ... |
1272 1273 1274 1275 1276 1277 1278 1279 1280 |
/* Voltage attenuators can be bypassed, globally or individually */ config2 = adt7475_read(REG_CONFIG2); if (config2 & CONFIG2_ATTN) { data->bypass_attn = (0x3 << 3) | 0x3; } else { data->bypass_attn = ((data->config4 & CONFIG4_ATTN_IN10) >> 4) | ((data->config4 & CONFIG4_ATTN_IN43) >> 3); } data->bypass_attn &= data->has_voltage; |
1c301fc53 hwmon: Add a driv... |
1281 1282 1283 1284 1285 1286 1287 1288 |
/* Call adt7475_read_pwm for all pwm's as this will reprogram any pwm's which are disabled to manual mode with 0% duty cycle */ for (i = 0; i < ADT7475_PWM_COUNT; i++) adt7475_read_pwm(client, i); ret = sysfs_create_group(&client->dev.kobj, &adt7475_attr_group); if (ret) goto efree; |
378933c99 hwmon: (adt7475) ... |
1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 |
/* Features that can be disabled individually */ if (data->has_fan4) { ret = sysfs_create_group(&client->dev.kobj, &fan4_attr_group); if (ret) goto eremove; } if (data->has_pwm2) { ret = sysfs_create_group(&client->dev.kobj, &pwm2_attr_group); if (ret) goto eremove; } if (data->has_voltage & (1 << 0)) { ret = sysfs_create_group(&client->dev.kobj, &in0_attr_group); if (ret) goto eremove; } |
d8d2ee073 hwmon: (adt7475) ... |
1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 |
if (data->has_voltage & (1 << 3)) { ret = sysfs_create_group(&client->dev.kobj, &in3_attr_group); if (ret) goto eremove; } if (data->has_voltage & (1 << 4)) { ret = sysfs_create_group(&client->dev.kobj, &in4_attr_group); if (ret) goto eremove; } if (data->has_voltage & (1 << 5)) { ret = sysfs_create_group(&client->dev.kobj, &in5_attr_group); if (ret) goto eremove; } |
54fe4671a hwmon: (adt7475) ... |
1320 1321 1322 1323 1324 1325 |
if (data->has_vid) { data->vrm = vid_which_vrm(); ret = sysfs_create_group(&client->dev.kobj, &vid_attr_group); if (ret) goto eremove; } |
378933c99 hwmon: (adt7475) ... |
1326 |
|
1c301fc53 hwmon: Add a driv... |
1327 1328 1329 1330 1331 |
data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { ret = PTR_ERR(data->hwmon_dev); goto eremove; } |
d07ca4ad2 hwmon: (adt7475) ... |
1332 1333 1334 |
dev_info(&client->dev, "%s device, revision %d ", names[id->driver_data], revision); |
d8d2ee073 hwmon: (adt7475) ... |
1335 |
if ((data->has_voltage & 0x11) || data->has_fan4 || data->has_pwm2) |
54fe4671a hwmon: (adt7475) ... |
1336 1337 |
dev_info(&client->dev, "Optional features:%s%s%s%s%s ", |
d07ca4ad2 hwmon: (adt7475) ... |
1338 |
(data->has_voltage & (1 << 0)) ? " in0" : "", |
d8d2ee073 hwmon: (adt7475) ... |
1339 |
(data->has_voltage & (1 << 4)) ? " in4" : "", |
d07ca4ad2 hwmon: (adt7475) ... |
1340 |
data->has_fan4 ? " fan4" : "", |
54fe4671a hwmon: (adt7475) ... |
1341 1342 |
data->has_pwm2 ? " pwm2" : "", data->has_vid ? " vid" : ""); |
ebfaf1fbb hwmon: (adt7475) ... |
1343 1344 1345 1346 1347 1348 1349 |
if (data->bypass_attn) dev_info(&client->dev, "Bypassing attenuators on:%s%s%s%s ", (data->bypass_attn & (1 << 0)) ? " in0" : "", (data->bypass_attn & (1 << 1)) ? " in1" : "", (data->bypass_attn & (1 << 3)) ? " in3" : "", (data->bypass_attn & (1 << 4)) ? " in4" : ""); |
d07ca4ad2 hwmon: (adt7475) ... |
1350 |
|
1c301fc53 hwmon: Add a driv... |
1351 1352 1353 |
return 0; eremove: |
0f14480b6 hwmon: (adt7475) ... |
1354 |
adt7475_remove_files(client, data); |
1c301fc53 hwmon: Add a driv... |
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 |
efree: kfree(data); return ret; } static int adt7475_remove(struct i2c_client *client) { struct adt7475_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); |
0f14480b6 hwmon: (adt7475) ... |
1365 |
adt7475_remove_files(client, data); |
1c301fc53 hwmon: Add a driv... |
1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 |
kfree(data); return 0; } static struct i2c_driver adt7475_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "adt7475", }, .probe = adt7475_probe, .remove = adt7475_remove, .id_table = adt7475_id, .detect = adt7475_detect, |
c3813d6af i2c: Get rid of s... |
1380 |
.address_list = normal_i2c, |
1c301fc53 hwmon: Add a driv... |
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 |
}; static void adt7475_read_hystersis(struct i2c_client *client) { struct adt7475_data *data = i2c_get_clientdata(client); data->temp[HYSTERSIS][0] = (u16) adt7475_read(REG_REMOTE1_HYSTERSIS); data->temp[HYSTERSIS][1] = data->temp[HYSTERSIS][0]; data->temp[HYSTERSIS][2] = (u16) adt7475_read(REG_REMOTE2_HYSTERSIS); } static void adt7475_read_pwm(struct i2c_client *client, int index) { struct adt7475_data *data = i2c_get_clientdata(client); unsigned int v; data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index)); /* Figure out the internal value for pwmctrl and pwmchan based on the current settings */ v = (data->pwm[CONTROL][index] >> 5) & 7; if (v == 3) data->pwmctl[index] = 0; else if (v == 7) data->pwmctl[index] = 1; else if (v == 4) { /* The fan is disabled - we don't want to support that, so change to manual mode and set the duty cycle to 0 instead */ data->pwm[INPUT][index] = 0; data->pwm[CONTROL][index] &= ~0xE0; data->pwm[CONTROL][index] |= (7 << 5); i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), data->pwm[INPUT][index]); i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), data->pwm[CONTROL][index]); data->pwmctl[index] = 1; } else { data->pwmctl[index] = 2; switch (v) { case 0: data->pwmchan[index] = 1; break; case 1: data->pwmchan[index] = 2; break; case 2: data->pwmchan[index] = 4; break; case 5: data->pwmchan[index] = 6; break; case 6: data->pwmchan[index] = 7; break; } } } static struct adt7475_data *adt7475_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); |
3d8499817 hwmon: (adt7475) ... |
1450 |
u16 ext; |
1c301fc53 hwmon: Add a driv... |
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int i; mutex_lock(&data->lock); /* Measurement values update every 2 seconds */ if (time_after(jiffies, data->measure_updated + HZ * 2) || !data->valid) { data->alarms = adt7475_read(REG_STATUS2) << 8; data->alarms |= adt7475_read(REG_STATUS1); |
3d8499817 hwmon: (adt7475) ... |
1460 1461 |
ext = (adt7475_read(REG_EXTEND2) << 8) | adt7475_read(REG_EXTEND1); |
cffb9dd07 hwmon: (adt7475) ... |
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for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { if (!(data->has_voltage & (1 << i))) continue; |
1c301fc53 hwmon: Add a driv... |
1465 1466 |
data->voltage[INPUT][i] = (adt7475_read(VOLTAGE_REG(i)) << 2) | |
cffb9dd07 hwmon: (adt7475) ... |
1467 1468 |
((ext >> (i * 2)) & 3); } |
1c301fc53 hwmon: Add a driv... |
1469 |
|
1c301fc53 hwmon: Add a driv... |
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for (i = 0; i < ADT7475_TEMP_COUNT; i++) data->temp[INPUT][i] = (adt7475_read(TEMP_REG(i)) << 2) | |
3d8499817 hwmon: (adt7475) ... |
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((ext >> ((i + 5) * 2)) & 3); if (data->has_voltage & (1 << 5)) { data->alarms |= adt7475_read(REG_STATUS4) << 24; ext = adt7475_read(REG_EXTEND3); data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 | ((ext >> 4) & 3); } |
1c301fc53 hwmon: Add a driv... |
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|
378933c99 hwmon: (adt7475) ... |
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for (i = 0; i < ADT7475_TACH_COUNT; i++) { if (i == 3 && !data->has_fan4) continue; |
1c301fc53 hwmon: Add a driv... |
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data->tach[INPUT][i] = adt7475_read_word(client, TACH_REG(i)); |
378933c99 hwmon: (adt7475) ... |
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} |
1c301fc53 hwmon: Add a driv... |
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/* Updated by hw when in auto mode */ |
378933c99 hwmon: (adt7475) ... |
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for (i = 0; i < ADT7475_PWM_COUNT; i++) { if (i == 1 && !data->has_pwm2) continue; |
1c301fc53 hwmon: Add a driv... |
1493 |
data->pwm[INPUT][i] = adt7475_read(PWM_REG(i)); |
378933c99 hwmon: (adt7475) ... |
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} |
1c301fc53 hwmon: Add a driv... |
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|
54fe4671a hwmon: (adt7475) ... |
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if (data->has_vid) data->vid = adt7475_read(REG_VID) & 0x3f; |
1c301fc53 hwmon: Add a driv... |
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data->measure_updated = jiffies; } /* Limits and settings, should never change update every 60 seconds */ |
56e35eeeb hwmon: (adt7475) ... |
1502 |
if (time_after(jiffies, data->limits_updated + HZ * 60) || |
1c301fc53 hwmon: Add a driv... |
1503 |
!data->valid) { |
f99318b25 hwmon: (adt7475) ... |
1504 |
data->config4 = adt7475_read(REG_CONFIG4); |
1c301fc53 hwmon: Add a driv... |
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data->config5 = adt7475_read(REG_CONFIG5); for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { |
cffb9dd07 hwmon: (adt7475) ... |
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if (!(data->has_voltage & (1 << i))) continue; |
1c301fc53 hwmon: Add a driv... |
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/* Adjust values so they match the input precision */ data->voltage[MIN][i] = adt7475_read(VOLTAGE_MIN_REG(i)) << 2; data->voltage[MAX][i] = adt7475_read(VOLTAGE_MAX_REG(i)) << 2; } |
3d8499817 hwmon: (adt7475) ... |
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if (data->has_voltage & (1 << 5)) { data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2; data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2; } |
1c301fc53 hwmon: Add a driv... |
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for (i = 0; i < ADT7475_TEMP_COUNT; i++) { /* Adjust values so they match the input precision */ data->temp[MIN][i] = adt7475_read(TEMP_MIN_REG(i)) << 2; data->temp[MAX][i] = adt7475_read(TEMP_MAX_REG(i)) << 2; data->temp[AUTOMIN][i] = adt7475_read(TEMP_TMIN_REG(i)) << 2; data->temp[THERM][i] = adt7475_read(TEMP_THERM_REG(i)) << 2; data->temp[OFFSET][i] = adt7475_read(TEMP_OFFSET_REG(i)); } adt7475_read_hystersis(client); |
378933c99 hwmon: (adt7475) ... |
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for (i = 0; i < ADT7475_TACH_COUNT; i++) { if (i == 3 && !data->has_fan4) continue; |
1c301fc53 hwmon: Add a driv... |
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data->tach[MIN][i] = adt7475_read_word(client, TACH_MIN_REG(i)); |
378933c99 hwmon: (adt7475) ... |
1539 |
} |
1c301fc53 hwmon: Add a driv... |
1540 1541 |
for (i = 0; i < ADT7475_PWM_COUNT; i++) { |
378933c99 hwmon: (adt7475) ... |
1542 1543 |
if (i == 1 && !data->has_pwm2) continue; |
1c301fc53 hwmon: Add a driv... |
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data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i)); data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i)); /* Set the channel and control information */ adt7475_read_pwm(client, i); } data->range[0] = adt7475_read(TEMP_TRANGE_REG(0)); data->range[1] = adt7475_read(TEMP_TRANGE_REG(1)); data->range[2] = adt7475_read(TEMP_TRANGE_REG(2)); data->limits_updated = jiffies; data->valid = 1; } mutex_unlock(&data->lock); return data; } static int __init sensors_adt7475_init(void) { return i2c_add_driver(&adt7475_driver); } static void __exit sensors_adt7475_exit(void) { i2c_del_driver(&adt7475_driver); } MODULE_AUTHOR("Advanced Micro Devices, Inc"); MODULE_DESCRIPTION("adt7475 driver"); MODULE_LICENSE("GPL"); module_init(sensors_adt7475_init); module_exit(sensors_adt7475_exit); |