| /* | |
| * A hwmon driver for the Analog Devices ADT7462 | |
| * Copyright (C) 2008 IBM | |
| * | |
| * Author: Darrick J. Wong <darrick.wong@oracle.com> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; if not, write to the Free Software | |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| */ | |
| #include <linux/module.h> | |
| #include <linux/jiffies.h> | |
| #include <linux/i2c.h> | |
| #include <linux/hwmon.h> | |
| #include <linux/hwmon-sysfs.h> | |
| #include <linux/err.h> | |
| #include <linux/mutex.h> | |
| #include <linux/log2.h> | |
| #include <linux/slab.h> | |
| /* Addresses to scan */ | |
| static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; | |
| /* ADT7462 registers */ | |
| #define ADT7462_REG_DEVICE 0x3D | |
| #define ADT7462_REG_VENDOR 0x3E | |
| #define ADT7462_REG_REVISION 0x3F | |
| #define ADT7462_REG_MIN_TEMP_BASE_ADDR 0x44 | |
| #define ADT7462_REG_MIN_TEMP_MAX_ADDR 0x47 | |
| #define ADT7462_REG_MAX_TEMP_BASE_ADDR 0x48 | |
| #define ADT7462_REG_MAX_TEMP_MAX_ADDR 0x4B | |
| #define ADT7462_REG_TEMP_BASE_ADDR 0x88 | |
| #define ADT7462_REG_TEMP_MAX_ADDR 0x8F | |
| #define ADT7462_REG_FAN_BASE_ADDR 0x98 | |
| #define ADT7462_REG_FAN_MAX_ADDR 0x9F | |
| #define ADT7462_REG_FAN2_BASE_ADDR 0xA2 | |
| #define ADT7462_REG_FAN2_MAX_ADDR 0xA9 | |
| #define ADT7462_REG_FAN_ENABLE 0x07 | |
| #define ADT7462_REG_FAN_MIN_BASE_ADDR 0x78 | |
| #define ADT7462_REG_FAN_MIN_MAX_ADDR 0x7F | |
| #define ADT7462_REG_CFG2 0x02 | |
| #define ADT7462_FSPD_MASK 0x20 | |
| #define ADT7462_REG_PWM_BASE_ADDR 0xAA | |
| #define ADT7462_REG_PWM_MAX_ADDR 0xAD | |
| #define ADT7462_REG_PWM_MIN_BASE_ADDR 0x28 | |
| #define ADT7462_REG_PWM_MIN_MAX_ADDR 0x2B | |
| #define ADT7462_REG_PWM_MAX 0x2C | |
| #define ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR 0x5C | |
| #define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F | |
| #define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60 | |
| #define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63 | |
| #define ADT7462_PWM_HYST_MASK 0x0F | |
| #define ADT7462_PWM_RANGE_MASK 0xF0 | |
| #define ADT7462_PWM_RANGE_SHIFT 4 | |
| #define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21 | |
| #define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24 | |
| #define ADT7462_PWM_CHANNEL_MASK 0xE0 | |
| #define ADT7462_PWM_CHANNEL_SHIFT 5 | |
| #define ADT7462_REG_PIN_CFG_BASE_ADDR 0x10 | |
| #define ADT7462_REG_PIN_CFG_MAX_ADDR 0x13 | |
| #define ADT7462_PIN7_INPUT 0x01 /* cfg0 */ | |
| #define ADT7462_DIODE3_INPUT 0x20 | |
| #define ADT7462_DIODE1_INPUT 0x40 | |
| #define ADT7462_VID_INPUT 0x80 | |
| #define ADT7462_PIN22_INPUT 0x04 /* cfg1 */ | |
| #define ADT7462_PIN21_INPUT 0x08 | |
| #define ADT7462_PIN19_INPUT 0x10 | |
| #define ADT7462_PIN15_INPUT 0x20 | |
| #define ADT7462_PIN13_INPUT 0x40 | |
| #define ADT7462_PIN8_INPUT 0x80 | |
| #define ADT7462_PIN23_MASK 0x03 | |
| #define ADT7462_PIN23_SHIFT 0 | |
| #define ADT7462_PIN26_MASK 0x0C /* cfg2 */ | |
| #define ADT7462_PIN26_SHIFT 2 | |
| #define ADT7462_PIN25_MASK 0x30 | |
| #define ADT7462_PIN25_SHIFT 4 | |
| #define ADT7462_PIN24_MASK 0xC0 | |
| #define ADT7462_PIN24_SHIFT 6 | |
| #define ADT7462_PIN26_VOLT_INPUT 0x08 | |
| #define ADT7462_PIN25_VOLT_INPUT 0x20 | |
| #define ADT7462_PIN28_SHIFT 4 /* cfg3 */ | |
| #define ADT7462_PIN28_VOLT 0x5 | |
| #define ADT7462_REG_ALARM1 0xB8 | |
| #define ADT7462_LT_ALARM 0x02 | |
| #define ADT7462_R1T_ALARM 0x04 | |
| #define ADT7462_R2T_ALARM 0x08 | |
| #define ADT7462_R3T_ALARM 0x10 | |
| #define ADT7462_REG_ALARM2 0xBB | |
| #define ADT7462_V0_ALARM 0x01 | |
| #define ADT7462_V1_ALARM 0x02 | |
| #define ADT7462_V2_ALARM 0x04 | |
| #define ADT7462_V3_ALARM 0x08 | |
| #define ADT7462_V4_ALARM 0x10 | |
| #define ADT7462_V5_ALARM 0x20 | |
| #define ADT7462_V6_ALARM 0x40 | |
| #define ADT7462_V7_ALARM 0x80 | |
| #define ADT7462_REG_ALARM3 0xBC | |
| #define ADT7462_V8_ALARM 0x08 | |
| #define ADT7462_V9_ALARM 0x10 | |
| #define ADT7462_V10_ALARM 0x20 | |
| #define ADT7462_V11_ALARM 0x40 | |
| #define ADT7462_V12_ALARM 0x80 | |
| #define ADT7462_REG_ALARM4 0xBD | |
| #define ADT7462_F0_ALARM 0x01 | |
| #define ADT7462_F1_ALARM 0x02 | |
| #define ADT7462_F2_ALARM 0x04 | |
| #define ADT7462_F3_ALARM 0x08 | |
| #define ADT7462_F4_ALARM 0x10 | |
| #define ADT7462_F5_ALARM 0x20 | |
| #define ADT7462_F6_ALARM 0x40 | |
| #define ADT7462_F7_ALARM 0x80 | |
| #define ADT7462_ALARM1 0x0000 | |
| #define ADT7462_ALARM2 0x0100 | |
| #define ADT7462_ALARM3 0x0200 | |
| #define ADT7462_ALARM4 0x0300 | |
| #define ADT7462_ALARM_REG_SHIFT 8 | |
| #define ADT7462_ALARM_FLAG_MASK 0x0F | |
| #define ADT7462_TEMP_COUNT 4 | |
| #define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + ((x) * 2)) | |
| #define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x)) | |
| #define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x)) | |
| #define TEMP_FRAC_OFFSET 6 | |
| #define ADT7462_FAN_COUNT 8 | |
| #define ADT7462_REG_FAN_MIN(x) (ADT7462_REG_FAN_MIN_BASE_ADDR + (x)) | |
| #define ADT7462_PWM_COUNT 4 | |
| #define ADT7462_REG_PWM(x) (ADT7462_REG_PWM_BASE_ADDR + (x)) | |
| #define ADT7462_REG_PWM_MIN(x) (ADT7462_REG_PWM_MIN_BASE_ADDR + (x)) | |
| #define ADT7462_REG_PWM_TMIN(x) \ | |
| (ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR + (x)) | |
| #define ADT7462_REG_PWM_TRANGE(x) \ | |
| (ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR + (x)) | |
| #define ADT7462_PIN_CFG_REG_COUNT 4 | |
| #define ADT7462_REG_PIN_CFG(x) (ADT7462_REG_PIN_CFG_BASE_ADDR + (x)) | |
| #define ADT7462_REG_PWM_CFG(x) (ADT7462_REG_PWM_CFG_BASE_ADDR + (x)) | |
| #define ADT7462_ALARM_REG_COUNT 4 | |
| /* | |
| * The chip can measure 13 different voltage sources: | |
| * | |
| * 1. +12V1 (pin 7) | |
| * 2. Vccp1/+2.5V/+1.8V/+1.5V (pin 23) | |
| * 3. +12V3 (pin 22) | |
| * 4. +5V (pin 21) | |
| * 5. +1.25V/+0.9V (pin 19) | |
| * 6. +2.5V/+1.8V (pin 15) | |
| * 7. +3.3v (pin 13) | |
| * 8. +12V2 (pin 8) | |
| * 9. Vbatt/FSB_Vtt (pin 26) | |
| * A. +3.3V/+1.2V1 (pin 25) | |
| * B. Vccp2/+2.5V/+1.8V/+1.5V (pin 24) | |
| * C. +1.5V ICH (only if BOTH pin 28/29 are set to +1.5V) | |
| * D. +1.5V 3GPIO (only if BOTH pin 28/29 are set to +1.5V) | |
| * | |
| * Each of these 13 has a factor to convert raw to voltage. Even better, | |
| * the pins can be connected to other sensors (tach/gpio/hot/etc), which | |
| * makes the bookkeeping tricky. | |
| * | |
| * Some, but not all, of these voltages have low/high limits. | |
| */ | |
| #define ADT7462_VOLT_COUNT 13 | |
| #define ADT7462_VENDOR 0x41 | |
| #define ADT7462_DEVICE 0x62 | |
| /* datasheet only mentions a revision 4 */ | |
| #define ADT7462_REVISION 0x04 | |
| /* How often do we reread sensors values? (In jiffies) */ | |
| #define SENSOR_REFRESH_INTERVAL (2 * HZ) | |
| /* How often do we reread sensor limit values? (In jiffies) */ | |
| #define LIMIT_REFRESH_INTERVAL (60 * HZ) | |
| /* datasheet says to divide this number by the fan reading to get fan rpm */ | |
| #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) | |
| #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM | |
| #define FAN_PERIOD_INVALID 65535 | |
| #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) | |
| #define MASK_AND_SHIFT(value, prefix) \ | |
| (((value) & prefix##_MASK) >> prefix##_SHIFT) | |
| struct adt7462_data { | |
| struct i2c_client *client; | |
| struct mutex lock; | |
| char sensors_valid; | |
| char limits_valid; | |
| unsigned long sensors_last_updated; /* In jiffies */ | |
| unsigned long limits_last_updated; /* In jiffies */ | |
| u8 temp[ADT7462_TEMP_COUNT]; | |
| /* bits 6-7 are quarter pieces of temp */ | |
| u8 temp_frac[ADT7462_TEMP_COUNT]; | |
| u8 temp_min[ADT7462_TEMP_COUNT]; | |
| u8 temp_max[ADT7462_TEMP_COUNT]; | |
| u16 fan[ADT7462_FAN_COUNT]; | |
| u8 fan_enabled; | |
| u8 fan_min[ADT7462_FAN_COUNT]; | |
| u8 cfg2; | |
| u8 pwm[ADT7462_PWM_COUNT]; | |
| u8 pin_cfg[ADT7462_PIN_CFG_REG_COUNT]; | |
| u8 voltages[ADT7462_VOLT_COUNT]; | |
| u8 volt_max[ADT7462_VOLT_COUNT]; | |
| u8 volt_min[ADT7462_VOLT_COUNT]; | |
| u8 pwm_min[ADT7462_PWM_COUNT]; | |
| u8 pwm_tmin[ADT7462_PWM_COUNT]; | |
| u8 pwm_trange[ADT7462_PWM_COUNT]; | |
| u8 pwm_max; /* only one per chip */ | |
| u8 pwm_cfg[ADT7462_PWM_COUNT]; | |
| u8 alarms[ADT7462_ALARM_REG_COUNT]; | |
| }; | |
| /* | |
| * 16-bit registers on the ADT7462 are low-byte first. The data sheet says | |
| * that the low byte must be read before the high byte. | |
| */ | |
| static inline int adt7462_read_word_data(struct i2c_client *client, u8 reg) | |
| { | |
| u16 foo; | |
| foo = i2c_smbus_read_byte_data(client, reg); | |
| foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); | |
| return foo; | |
| } | |
| /* For some reason these registers are not contiguous. */ | |
| static int ADT7462_REG_FAN(int fan) | |
| { | |
| if (fan < 4) | |
| return ADT7462_REG_FAN_BASE_ADDR + (2 * fan); | |
| return ADT7462_REG_FAN2_BASE_ADDR + (2 * (fan - 4)); | |
| } | |
| /* Voltage registers are scattered everywhere */ | |
| static int ADT7462_REG_VOLT_MAX(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) | |
| return 0x7C; | |
| break; | |
| case 1: | |
| return 0x69; | |
| case 2: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) | |
| return 0x7F; | |
| break; | |
| case 3: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) | |
| return 0x7E; | |
| break; | |
| case 4: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) | |
| return 0x4B; | |
| break; | |
| case 5: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) | |
| return 0x49; | |
| break; | |
| case 6: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) | |
| return 0x68; | |
| break; | |
| case 7: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) | |
| return 0x7D; | |
| break; | |
| case 8: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) | |
| return 0x6C; | |
| break; | |
| case 9: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) | |
| return 0x6B; | |
| break; | |
| case 10: | |
| return 0x6A; | |
| case 11: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x50; | |
| break; | |
| case 12: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x4C; | |
| break; | |
| } | |
| return 0; | |
| } | |
| static int ADT7462_REG_VOLT_MIN(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) | |
| return 0x6D; | |
| break; | |
| case 1: | |
| return 0x72; | |
| case 2: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) | |
| return 0x6F; | |
| break; | |
| case 3: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) | |
| return 0x71; | |
| break; | |
| case 4: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) | |
| return 0x47; | |
| break; | |
| case 5: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) | |
| return 0x45; | |
| break; | |
| case 6: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) | |
| return 0x70; | |
| break; | |
| case 7: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) | |
| return 0x6E; | |
| break; | |
| case 8: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) | |
| return 0x75; | |
| break; | |
| case 9: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) | |
| return 0x74; | |
| break; | |
| case 10: | |
| return 0x73; | |
| case 11: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x76; | |
| break; | |
| case 12: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x77; | |
| break; | |
| } | |
| return 0; | |
| } | |
| static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) | |
| return 0xA3; | |
| break; | |
| case 1: | |
| return 0x90; | |
| case 2: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) | |
| return 0xA9; | |
| break; | |
| case 3: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) | |
| return 0xA7; | |
| break; | |
| case 4: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) | |
| return 0x8F; | |
| break; | |
| case 5: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) | |
| return 0x8B; | |
| break; | |
| case 6: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) | |
| return 0x96; | |
| break; | |
| case 7: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) | |
| return 0xA5; | |
| break; | |
| case 8: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) | |
| return 0x93; | |
| break; | |
| case 9: | |
| if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) | |
| return 0x92; | |
| break; | |
| case 10: | |
| return 0x91; | |
| case 11: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x94; | |
| break; | |
| case 12: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 0x95; | |
| break; | |
| } | |
| return -ENODEV; | |
| } | |
| /* Provide labels for sysfs */ | |
| static const char *voltage_label(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) | |
| return "+12V1"; | |
| break; | |
| case 1: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { | |
| case 0: | |
| return "Vccp1"; | |
| case 1: | |
| return "+2.5V"; | |
| case 2: | |
| return "+1.8V"; | |
| case 3: | |
| return "+1.5V"; | |
| } | |
| case 2: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) | |
| return "+12V3"; | |
| break; | |
| case 3: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) | |
| return "+5V"; | |
| break; | |
| case 4: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { | |
| if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) | |
| return "+0.9V"; | |
| return "+1.25V"; | |
| } | |
| break; | |
| case 5: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { | |
| if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) | |
| return "+1.8V"; | |
| return "+2.5V"; | |
| } | |
| break; | |
| case 6: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) | |
| return "+3.3V"; | |
| break; | |
| case 7: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) | |
| return "+12V2"; | |
| break; | |
| case 8: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { | |
| case 0: | |
| return "Vbatt"; | |
| case 1: | |
| return "FSB_Vtt"; | |
| } | |
| break; | |
| case 9: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { | |
| case 0: | |
| return "+3.3V"; | |
| case 1: | |
| return "+1.2V1"; | |
| } | |
| break; | |
| case 10: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { | |
| case 0: | |
| return "Vccp2"; | |
| case 1: | |
| return "+2.5V"; | |
| case 2: | |
| return "+1.8V"; | |
| case 3: | |
| return "+1.5"; | |
| } | |
| case 11: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return "+1.5V ICH"; | |
| break; | |
| case 12: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return "+1.5V 3GPIO"; | |
| break; | |
| } | |
| return "N/A"; | |
| } | |
| /* Multipliers are actually in uV, not mV. */ | |
| static int voltage_multiplier(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) | |
| return 62500; | |
| break; | |
| case 1: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { | |
| case 0: | |
| if (data->pin_cfg[0] & ADT7462_VID_INPUT) | |
| return 12500; | |
| return 6250; | |
| case 1: | |
| return 13000; | |
| case 2: | |
| return 9400; | |
| case 3: | |
| return 7800; | |
| } | |
| case 2: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) | |
| return 62500; | |
| break; | |
| case 3: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) | |
| return 26000; | |
| break; | |
| case 4: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { | |
| if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) | |
| return 4690; | |
| return 6500; | |
| } | |
| break; | |
| case 5: | |
| if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { | |
| if (data->pin_cfg[1] & ADT7462_PIN15_INPUT) | |
| return 9400; | |
| return 13000; | |
| } | |
| break; | |
| case 6: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) | |
| return 17200; | |
| break; | |
| case 7: | |
| if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) | |
| return 62500; | |
| break; | |
| case 8: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { | |
| case 0: | |
| return 15600; | |
| case 1: | |
| return 6250; | |
| } | |
| break; | |
| case 9: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { | |
| case 0: | |
| return 17200; | |
| case 1: | |
| return 6250; | |
| } | |
| break; | |
| case 10: | |
| switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { | |
| case 0: | |
| return 6250; | |
| case 1: | |
| return 13000; | |
| case 2: | |
| return 9400; | |
| case 3: | |
| return 7800; | |
| } | |
| case 11: | |
| case 12: | |
| if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == | |
| ADT7462_PIN28_VOLT && | |
| !(data->pin_cfg[0] & ADT7462_VID_INPUT)) | |
| return 7800; | |
| } | |
| return 0; | |
| } | |
| static int temp_enabled(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| case 2: | |
| return 1; | |
| case 1: | |
| if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) | |
| return 1; | |
| break; | |
| case 3: | |
| if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) | |
| return 1; | |
| break; | |
| } | |
| return 0; | |
| } | |
| static const char *temp_label(struct adt7462_data *data, int which) | |
| { | |
| switch (which) { | |
| case 0: | |
| return "local"; | |
| case 1: | |
| if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) | |
| return "remote1"; | |
| break; | |
| case 2: | |
| return "remote2"; | |
| case 3: | |
| if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) | |
| return "remote3"; | |
| break; | |
| } | |
| return "N/A"; | |
| } | |
| /* Map Trange register values to mC */ | |
| #define NUM_TRANGE_VALUES 16 | |
| static const int trange_values[NUM_TRANGE_VALUES] = { | |
| 2000, | |
| 2500, | |
| 3300, | |
| 4000, | |
| 5000, | |
| 6700, | |
| 8000, | |
| 10000, | |
| 13300, | |
| 16000, | |
| 20000, | |
| 26700, | |
| 32000, | |
| 40000, | |
| 53300, | |
| 80000 | |
| }; | |
| static int find_trange_value(int trange) | |
| { | |
| int i; | |
| for (i = 0; i < NUM_TRANGE_VALUES; i++) | |
| if (trange_values[i] == trange) | |
| return i; | |
| return -EINVAL; | |
| } | |
| static struct adt7462_data *adt7462_update_device(struct device *dev) | |
| { | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| unsigned long local_jiffies = jiffies; | |
| int i; | |
| mutex_lock(&data->lock); | |
| if (time_before(local_jiffies, data->sensors_last_updated + | |
| SENSOR_REFRESH_INTERVAL) | |
| && data->sensors_valid) | |
| goto no_sensor_update; | |
| for (i = 0; i < ADT7462_TEMP_COUNT; i++) { | |
| /* | |
| * Reading the fractional register locks the integral | |
| * register until both have been read. | |
| */ | |
| data->temp_frac[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_TEMP_REG(i)); | |
| data->temp[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_TEMP_REG(i) + 1); | |
| } | |
| for (i = 0; i < ADT7462_FAN_COUNT; i++) | |
| data->fan[i] = adt7462_read_word_data(client, | |
| ADT7462_REG_FAN(i)); | |
| data->fan_enabled = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_FAN_ENABLE); | |
| for (i = 0; i < ADT7462_PWM_COUNT; i++) | |
| data->pwm[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PWM(i)); | |
| for (i = 0; i < ADT7462_PIN_CFG_REG_COUNT; i++) | |
| data->pin_cfg[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PIN_CFG(i)); | |
| for (i = 0; i < ADT7462_VOLT_COUNT; i++) { | |
| int reg = ADT7462_REG_VOLT(data, i); | |
| if (!reg) | |
| data->voltages[i] = 0; | |
| else | |
| data->voltages[i] = i2c_smbus_read_byte_data(client, | |
| reg); | |
| } | |
| data->alarms[0] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM1); | |
| data->alarms[1] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM2); | |
| data->alarms[2] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM3); | |
| data->alarms[3] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM4); | |
| data->sensors_last_updated = local_jiffies; | |
| data->sensors_valid = 1; | |
| no_sensor_update: | |
| if (time_before(local_jiffies, data->limits_last_updated + | |
| LIMIT_REFRESH_INTERVAL) | |
| && data->limits_valid) | |
| goto out; | |
| for (i = 0; i < ADT7462_TEMP_COUNT; i++) { | |
| data->temp_min[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_TEMP_MIN_REG(i)); | |
| data->temp_max[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_TEMP_MAX_REG(i)); | |
| } | |
| for (i = 0; i < ADT7462_FAN_COUNT; i++) | |
| data->fan_min[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_FAN_MIN(i)); | |
| for (i = 0; i < ADT7462_VOLT_COUNT; i++) { | |
| int reg = ADT7462_REG_VOLT_MAX(data, i); | |
| data->volt_max[i] = | |
| (reg ? i2c_smbus_read_byte_data(client, reg) : 0); | |
| reg = ADT7462_REG_VOLT_MIN(data, i); | |
| data->volt_min[i] = | |
| (reg ? i2c_smbus_read_byte_data(client, reg) : 0); | |
| } | |
| for (i = 0; i < ADT7462_PWM_COUNT; i++) { | |
| data->pwm_min[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PWM_MIN(i)); | |
| data->pwm_tmin[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PWM_TMIN(i)); | |
| data->pwm_trange[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PWM_TRANGE(i)); | |
| data->pwm_cfg[i] = i2c_smbus_read_byte_data(client, | |
| ADT7462_REG_PWM_CFG(i)); | |
| } | |
| data->pwm_max = i2c_smbus_read_byte_data(client, ADT7462_REG_PWM_MAX); | |
| data->cfg2 = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); | |
| data->limits_last_updated = local_jiffies; | |
| data->limits_valid = 1; | |
| out: | |
| mutex_unlock(&data->lock); | |
| return data; | |
| } | |
| static ssize_t show_temp_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| if (!temp_enabled(data, attr->index)) | |
| return sprintf(buf, "0\n"); | |
| return sprintf(buf, "%d\n", 1000 * (data->temp_min[attr->index] - 64)); | |
| } | |
| static ssize_t set_temp_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) | |
| return -EINVAL; | |
| temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->temp_min[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_TEMP_MIN_REG(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_temp_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| if (!temp_enabled(data, attr->index)) | |
| return sprintf(buf, "0\n"); | |
| return sprintf(buf, "%d\n", 1000 * (data->temp_max[attr->index] - 64)); | |
| } | |
| static ssize_t set_temp_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) | |
| return -EINVAL; | |
| temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->temp_max[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_TEMP_MAX_REG(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| u8 frac = data->temp_frac[attr->index] >> TEMP_FRAC_OFFSET; | |
| if (!temp_enabled(data, attr->index)) | |
| return sprintf(buf, "0\n"); | |
| return sprintf(buf, "%d\n", 1000 * (data->temp[attr->index] - 64) + | |
| 250 * frac); | |
| } | |
| static ssize_t show_temp_label(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%s\n", temp_label(data, attr->index)); | |
| } | |
| static ssize_t show_volt_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int x = voltage_multiplier(data, attr->index); | |
| x *= data->volt_max[attr->index]; | |
| x /= 1000; /* convert from uV to mV */ | |
| return sprintf(buf, "%d\n", x); | |
| } | |
| static ssize_t set_volt_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| int x = voltage_multiplier(data, attr->index); | |
| long temp; | |
| if (kstrtol(buf, 10, &temp) || !x) | |
| return -EINVAL; | |
| temp *= 1000; /* convert mV to uV */ | |
| temp = DIV_ROUND_CLOSEST(temp, x); | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->volt_max[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, | |
| ADT7462_REG_VOLT_MAX(data, attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_volt_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int x = voltage_multiplier(data, attr->index); | |
| x *= data->volt_min[attr->index]; | |
| x /= 1000; /* convert from uV to mV */ | |
| return sprintf(buf, "%d\n", x); | |
| } | |
| static ssize_t set_volt_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| int x = voltage_multiplier(data, attr->index); | |
| long temp; | |
| if (kstrtol(buf, 10, &temp) || !x) | |
| return -EINVAL; | |
| temp *= 1000; /* convert mV to uV */ | |
| temp = DIV_ROUND_CLOSEST(temp, x); | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->volt_min[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, | |
| ADT7462_REG_VOLT_MIN(data, attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_voltage(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int x = voltage_multiplier(data, attr->index); | |
| x *= data->voltages[attr->index]; | |
| x /= 1000; /* convert from uV to mV */ | |
| return sprintf(buf, "%d\n", x); | |
| } | |
| static ssize_t show_voltage_label(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%s\n", voltage_label(data, attr->index)); | |
| } | |
| static ssize_t show_alarm(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int reg = attr->index >> ADT7462_ALARM_REG_SHIFT; | |
| int mask = attr->index & ADT7462_ALARM_FLAG_MASK; | |
| if (data->alarms[reg] & mask) | |
| return sprintf(buf, "1\n"); | |
| else | |
| return sprintf(buf, "0\n"); | |
| } | |
| static int fan_enabled(struct adt7462_data *data, int fan) | |
| { | |
| return data->fan_enabled & (1 << fan); | |
| } | |
| static ssize_t show_fan_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| u16 temp; | |
| /* Only the MSB of the min fan period is stored... */ | |
| temp = data->fan_min[attr->index]; | |
| temp <<= 8; | |
| if (!fan_enabled(data, attr->index) || | |
| !FAN_DATA_VALID(temp)) | |
| return sprintf(buf, "0\n"); | |
| return sprintf(buf, "%d\n", FAN_PERIOD_TO_RPM(temp)); | |
| } | |
| static ssize_t set_fan_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp) || !temp || | |
| !fan_enabled(data, attr->index)) | |
| return -EINVAL; | |
| temp = FAN_RPM_TO_PERIOD(temp); | |
| temp >>= 8; | |
| temp = clamp_val(temp, 1, 255); | |
| mutex_lock(&data->lock); | |
| data->fan_min[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_FAN_MIN(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| if (!fan_enabled(data, attr->index) || | |
| !FAN_DATA_VALID(data->fan[attr->index])) | |
| return sprintf(buf, "0\n"); | |
| return sprintf(buf, "%d\n", | |
| FAN_PERIOD_TO_RPM(data->fan[attr->index])); | |
| } | |
| static ssize_t show_force_pwm_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", (data->cfg2 & ADT7462_FSPD_MASK ? 1 : 0)); | |
| } | |
| static ssize_t set_force_pwm_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| u8 reg; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| mutex_lock(&data->lock); | |
| reg = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); | |
| if (temp) | |
| reg |= ADT7462_FSPD_MASK; | |
| else | |
| reg &= ~ADT7462_FSPD_MASK; | |
| data->cfg2 = reg; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_CFG2, reg); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", data->pwm[attr->index]); | |
| } | |
| static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, | |
| const char *buf, size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->pwm[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM(attr->index), temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", data->pwm_max); | |
| } | |
| static ssize_t set_pwm_max(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->pwm_max = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MAX, temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", data->pwm_min[attr->index]); | |
| } | |
| static ssize_t set_pwm_min(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->pwm_min[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MIN(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_hyst(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", 1000 * | |
| (data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK)); | |
| } | |
| static ssize_t set_pwm_hyst(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = DIV_ROUND_CLOSEST(temp, 1000); | |
| temp = clamp_val(temp, 0, 15); | |
| /* package things up */ | |
| temp &= ADT7462_PWM_HYST_MASK; | |
| temp |= data->pwm_trange[attr->index] & ADT7462_PWM_RANGE_MASK; | |
| mutex_lock(&data->lock); | |
| data->pwm_trange[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_tmax(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| /* tmax = tmin + trange */ | |
| int trange = trange_values[data->pwm_trange[attr->index] >> | |
| ADT7462_PWM_RANGE_SHIFT]; | |
| int tmin = (data->pwm_tmin[attr->index] - 64) * 1000; | |
| return sprintf(buf, "%d\n", tmin + trange); | |
| } | |
| static ssize_t set_pwm_tmax(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| int temp; | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| int tmin, trange_value; | |
| long trange; | |
| if (kstrtol(buf, 10, &trange)) | |
| return -EINVAL; | |
| /* trange = tmax - tmin */ | |
| tmin = (data->pwm_tmin[attr->index] - 64) * 1000; | |
| trange_value = find_trange_value(trange - tmin); | |
| if (trange_value < 0) | |
| return trange_value; | |
| temp = trange_value << ADT7462_PWM_RANGE_SHIFT; | |
| temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; | |
| mutex_lock(&data->lock); | |
| data->pwm_trange[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_tmin(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| return sprintf(buf, "%d\n", 1000 * (data->pwm_tmin[attr->index] - 64)); | |
| } | |
| static ssize_t set_pwm_tmin(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; | |
| temp = clamp_val(temp, 0, 255); | |
| mutex_lock(&data->lock); | |
| data->pwm_tmin[attr->index] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TMIN(attr->index), | |
| temp); | |
| mutex_unlock(&data->lock); | |
| return count; | |
| } | |
| static ssize_t show_pwm_auto(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int cfg = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; | |
| switch (cfg) { | |
| case 4: /* off */ | |
| return sprintf(buf, "0\n"); | |
| case 7: /* manual */ | |
| return sprintf(buf, "1\n"); | |
| default: /* automatic */ | |
| return sprintf(buf, "2\n"); | |
| } | |
| } | |
| static void set_pwm_channel(struct i2c_client *client, | |
| struct adt7462_data *data, | |
| int which, | |
| int value) | |
| { | |
| int temp = data->pwm_cfg[which] & ~ADT7462_PWM_CHANNEL_MASK; | |
| temp |= value << ADT7462_PWM_CHANNEL_SHIFT; | |
| mutex_lock(&data->lock); | |
| data->pwm_cfg[which] = temp; | |
| i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_CFG(which), temp); | |
| mutex_unlock(&data->lock); | |
| } | |
| static ssize_t set_pwm_auto(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| switch (temp) { | |
| case 0: /* off */ | |
| set_pwm_channel(client, data, attr->index, 4); | |
| return count; | |
| case 1: /* manual */ | |
| set_pwm_channel(client, data, attr->index, 7); | |
| return count; | |
| default: | |
| return -EINVAL; | |
| } | |
| } | |
| static ssize_t show_pwm_auto_temp(struct device *dev, | |
| struct device_attribute *devattr, | |
| char *buf) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = adt7462_update_device(dev); | |
| int channel = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; | |
| switch (channel) { | |
| case 0: /* temp[1234] only */ | |
| case 1: | |
| case 2: | |
| case 3: | |
| return sprintf(buf, "%d\n", (1 << channel)); | |
| case 5: /* temp1 & temp4 */ | |
| return sprintf(buf, "9\n"); | |
| case 6: | |
| return sprintf(buf, "15\n"); | |
| default: | |
| return sprintf(buf, "0\n"); | |
| } | |
| } | |
| static int cvt_auto_temp(int input) | |
| { | |
| if (input == 0xF) | |
| return 6; | |
| if (input == 0x9) | |
| return 5; | |
| if (input < 1 || !is_power_of_2(input)) | |
| return -EINVAL; | |
| return ilog2(input); | |
| } | |
| static ssize_t set_pwm_auto_temp(struct device *dev, | |
| struct device_attribute *devattr, | |
| const char *buf, | |
| size_t count) | |
| { | |
| struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
| struct adt7462_data *data = dev_get_drvdata(dev); | |
| struct i2c_client *client = data->client; | |
| long temp; | |
| if (kstrtol(buf, 10, &temp)) | |
| return -EINVAL; | |
| temp = cvt_auto_temp(temp); | |
| if (temp < 0) | |
| return temp; | |
| set_pwm_channel(client, data, attr->index, temp); | |
| return count; | |
| } | |
| static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, | |
| set_temp_max, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, | |
| set_temp_max, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, | |
| set_temp_max, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_max, | |
| set_temp_max, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, | |
| set_temp_min, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, | |
| set_temp_min, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, | |
| set_temp_min, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_min, S_IWUSR | S_IRUGO, show_temp_min, | |
| set_temp_min, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM1 | ADT7462_LT_ALARM); | |
| static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM1 | ADT7462_R1T_ALARM); | |
| static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM1 | ADT7462_R2T_ALARM); | |
| static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM1 | ADT7462_R3T_ALARM); | |
| static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 0); | |
| static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 1); | |
| static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 2); | |
| static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 3); | |
| static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 4); | |
| static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 5); | |
| static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 6); | |
| static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 7); | |
| static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 8); | |
| static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 9); | |
| static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 10); | |
| static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 11); | |
| static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, show_volt_max, | |
| set_volt_max, 12); | |
| static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 0); | |
| static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 1); | |
| static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 2); | |
| static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 3); | |
| static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 4); | |
| static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 5); | |
| static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 6); | |
| static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 7); | |
| static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 8); | |
| static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 9); | |
| static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 10); | |
| static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 11); | |
| static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, show_volt_min, | |
| set_volt_min, 12); | |
| static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 0); | |
| static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 1); | |
| static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 2); | |
| static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 3); | |
| static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 4); | |
| static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 5); | |
| static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 6); | |
| static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_voltage, NULL, 7); | |
| static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_voltage, NULL, 8); | |
| static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_voltage, NULL, 9); | |
| static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_voltage, NULL, 10); | |
| static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_voltage, NULL, 11); | |
| static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_voltage, NULL, 12); | |
| static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_voltage_label, NULL, 0); | |
| static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_voltage_label, NULL, 1); | |
| static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_voltage_label, NULL, 2); | |
| static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_voltage_label, NULL, 3); | |
| static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_voltage_label, NULL, 4); | |
| static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_voltage_label, NULL, 5); | |
| static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_voltage_label, NULL, 6); | |
| static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_voltage_label, NULL, 7); | |
| static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_voltage_label, NULL, 8); | |
| static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_voltage_label, NULL, 9); | |
| static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_voltage_label, NULL, 10); | |
| static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_voltage_label, NULL, 11); | |
| static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, show_voltage_label, NULL, 12); | |
| static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V0_ALARM); | |
| static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V7_ALARM); | |
| static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V2_ALARM); | |
| static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V6_ALARM); | |
| static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V5_ALARM); | |
| static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V4_ALARM); | |
| static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V3_ALARM); | |
| static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM2 | ADT7462_V1_ALARM); | |
| static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM3 | ADT7462_V10_ALARM); | |
| static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM3 | ADT7462_V9_ALARM); | |
| static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM3 | ADT7462_V8_ALARM); | |
| static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM3 | ADT7462_V11_ALARM); | |
| static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM3 | ADT7462_V12_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 0); | |
| static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 1); | |
| static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 2); | |
| static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 3); | |
| static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 4); | |
| static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 5); | |
| static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 6); | |
| static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, show_fan_min, | |
| set_fan_min, 7); | |
| static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | |
| static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); | |
| static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); | |
| static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); | |
| static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4); | |
| static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 5); | |
| static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 6); | |
| static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan, NULL, 7); | |
| static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F0_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F1_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F2_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F3_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F4_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F5_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F6_ALARM); | |
| static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, | |
| ADT7462_ALARM4 | ADT7462_F7_ALARM); | |
| static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO, | |
| show_force_pwm_max, set_force_pwm_max, 0); | |
| static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); | |
| static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); | |
| static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); | |
| static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3); | |
| static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_min, set_pwm_min, 0); | |
| static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_min, set_pwm_min, 1); | |
| static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_min, set_pwm_min, 2); | |
| static SENSOR_DEVICE_ATTR(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_min, set_pwm_min, 3); | |
| static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_max, set_pwm_max, 0); | |
| static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_max, set_pwm_max, 1); | |
| static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_max, set_pwm_max, 2); | |
| static SENSOR_DEVICE_ATTR(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, | |
| show_pwm_max, set_pwm_max, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_auto_point1_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_auto_point1_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_auto_point1_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_auto_point1_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_auto_point2_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_auto_point2_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_auto_point2_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_auto_point2_hyst, S_IWUSR | S_IRUGO, | |
| show_pwm_hyst, set_pwm_hyst, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmin, set_pwm_tmin, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmin, set_pwm_tmin, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmin, set_pwm_tmin, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_auto_point1_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmin, set_pwm_tmin, 3); | |
| static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmax, set_pwm_tmax, 0); | |
| static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmax, set_pwm_tmax, 1); | |
| static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmax, set_pwm_tmax, 2); | |
| static SENSOR_DEVICE_ATTR(temp4_auto_point2_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_tmax, set_pwm_tmax, 3); | |
| static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_auto, | |
| set_pwm_auto, 0); | |
| static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_auto, | |
| set_pwm_auto, 1); | |
| static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_auto, | |
| set_pwm_auto, 2); | |
| static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_auto, | |
| set_pwm_auto, 3); | |
| static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_auto_temp, set_pwm_auto_temp, 0); | |
| static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_auto_temp, set_pwm_auto_temp, 1); | |
| static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_auto_temp, set_pwm_auto_temp, 2); | |
| static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO, | |
| show_pwm_auto_temp, set_pwm_auto_temp, 3); | |
| static struct attribute *adt7462_attrs[] = { | |
| &sensor_dev_attr_temp1_max.dev_attr.attr, | |
| &sensor_dev_attr_temp2_max.dev_attr.attr, | |
| &sensor_dev_attr_temp3_max.dev_attr.attr, | |
| &sensor_dev_attr_temp4_max.dev_attr.attr, | |
| &sensor_dev_attr_temp1_min.dev_attr.attr, | |
| &sensor_dev_attr_temp2_min.dev_attr.attr, | |
| &sensor_dev_attr_temp3_min.dev_attr.attr, | |
| &sensor_dev_attr_temp4_min.dev_attr.attr, | |
| &sensor_dev_attr_temp1_input.dev_attr.attr, | |
| &sensor_dev_attr_temp2_input.dev_attr.attr, | |
| &sensor_dev_attr_temp3_input.dev_attr.attr, | |
| &sensor_dev_attr_temp4_input.dev_attr.attr, | |
| &sensor_dev_attr_temp1_label.dev_attr.attr, | |
| &sensor_dev_attr_temp2_label.dev_attr.attr, | |
| &sensor_dev_attr_temp3_label.dev_attr.attr, | |
| &sensor_dev_attr_temp4_label.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_temp4_alarm.dev_attr.attr, | |
| &sensor_dev_attr_in1_max.dev_attr.attr, | |
| &sensor_dev_attr_in2_max.dev_attr.attr, | |
| &sensor_dev_attr_in3_max.dev_attr.attr, | |
| &sensor_dev_attr_in4_max.dev_attr.attr, | |
| &sensor_dev_attr_in5_max.dev_attr.attr, | |
| &sensor_dev_attr_in6_max.dev_attr.attr, | |
| &sensor_dev_attr_in7_max.dev_attr.attr, | |
| &sensor_dev_attr_in8_max.dev_attr.attr, | |
| &sensor_dev_attr_in9_max.dev_attr.attr, | |
| &sensor_dev_attr_in10_max.dev_attr.attr, | |
| &sensor_dev_attr_in11_max.dev_attr.attr, | |
| &sensor_dev_attr_in12_max.dev_attr.attr, | |
| &sensor_dev_attr_in13_max.dev_attr.attr, | |
| &sensor_dev_attr_in1_min.dev_attr.attr, | |
| &sensor_dev_attr_in2_min.dev_attr.attr, | |
| &sensor_dev_attr_in3_min.dev_attr.attr, | |
| &sensor_dev_attr_in4_min.dev_attr.attr, | |
| &sensor_dev_attr_in5_min.dev_attr.attr, | |
| &sensor_dev_attr_in6_min.dev_attr.attr, | |
| &sensor_dev_attr_in7_min.dev_attr.attr, | |
| &sensor_dev_attr_in8_min.dev_attr.attr, | |
| &sensor_dev_attr_in9_min.dev_attr.attr, | |
| &sensor_dev_attr_in10_min.dev_attr.attr, | |
| &sensor_dev_attr_in11_min.dev_attr.attr, | |
| &sensor_dev_attr_in12_min.dev_attr.attr, | |
| &sensor_dev_attr_in13_min.dev_attr.attr, | |
| &sensor_dev_attr_in1_input.dev_attr.attr, | |
| &sensor_dev_attr_in2_input.dev_attr.attr, | |
| &sensor_dev_attr_in3_input.dev_attr.attr, | |
| &sensor_dev_attr_in4_input.dev_attr.attr, | |
| &sensor_dev_attr_in5_input.dev_attr.attr, | |
| &sensor_dev_attr_in6_input.dev_attr.attr, | |
| &sensor_dev_attr_in7_input.dev_attr.attr, | |
| &sensor_dev_attr_in8_input.dev_attr.attr, | |
| &sensor_dev_attr_in9_input.dev_attr.attr, | |
| &sensor_dev_attr_in10_input.dev_attr.attr, | |
| &sensor_dev_attr_in11_input.dev_attr.attr, | |
| &sensor_dev_attr_in12_input.dev_attr.attr, | |
| &sensor_dev_attr_in13_input.dev_attr.attr, | |
| &sensor_dev_attr_in1_label.dev_attr.attr, | |
| &sensor_dev_attr_in2_label.dev_attr.attr, | |
| &sensor_dev_attr_in3_label.dev_attr.attr, | |
| &sensor_dev_attr_in4_label.dev_attr.attr, | |
| &sensor_dev_attr_in5_label.dev_attr.attr, | |
| &sensor_dev_attr_in6_label.dev_attr.attr, | |
| &sensor_dev_attr_in7_label.dev_attr.attr, | |
| &sensor_dev_attr_in8_label.dev_attr.attr, | |
| &sensor_dev_attr_in9_label.dev_attr.attr, | |
| &sensor_dev_attr_in10_label.dev_attr.attr, | |
| &sensor_dev_attr_in11_label.dev_attr.attr, | |
| &sensor_dev_attr_in12_label.dev_attr.attr, | |
| &sensor_dev_attr_in13_label.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_in9_alarm.dev_attr.attr, | |
| &sensor_dev_attr_in10_alarm.dev_attr.attr, | |
| &sensor_dev_attr_in11_alarm.dev_attr.attr, | |
| &sensor_dev_attr_in12_alarm.dev_attr.attr, | |
| &sensor_dev_attr_in13_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan1_min.dev_attr.attr, | |
| &sensor_dev_attr_fan2_min.dev_attr.attr, | |
| &sensor_dev_attr_fan3_min.dev_attr.attr, | |
| &sensor_dev_attr_fan4_min.dev_attr.attr, | |
| &sensor_dev_attr_fan5_min.dev_attr.attr, | |
| &sensor_dev_attr_fan6_min.dev_attr.attr, | |
| &sensor_dev_attr_fan7_min.dev_attr.attr, | |
| &sensor_dev_attr_fan8_min.dev_attr.attr, | |
| &sensor_dev_attr_fan1_input.dev_attr.attr, | |
| &sensor_dev_attr_fan2_input.dev_attr.attr, | |
| &sensor_dev_attr_fan3_input.dev_attr.attr, | |
| &sensor_dev_attr_fan4_input.dev_attr.attr, | |
| &sensor_dev_attr_fan5_input.dev_attr.attr, | |
| &sensor_dev_attr_fan6_input.dev_attr.attr, | |
| &sensor_dev_attr_fan7_input.dev_attr.attr, | |
| &sensor_dev_attr_fan8_input.dev_attr.attr, | |
| &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan5_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan6_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan7_alarm.dev_attr.attr, | |
| &sensor_dev_attr_fan8_alarm.dev_attr.attr, | |
| &sensor_dev_attr_force_pwm_max.dev_attr.attr, | |
| &sensor_dev_attr_pwm1.dev_attr.attr, | |
| &sensor_dev_attr_pwm2.dev_attr.attr, | |
| &sensor_dev_attr_pwm3.dev_attr.attr, | |
| &sensor_dev_attr_pwm4.dev_attr.attr, | |
| &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm4_auto_point1_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, | |
| &sensor_dev_attr_pwm4_auto_point2_pwm.dev_attr.attr, | |
| &sensor_dev_attr_temp1_auto_point1_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp2_auto_point1_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp3_auto_point1_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp4_auto_point1_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp1_auto_point2_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp2_auto_point2_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp3_auto_point2_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp4_auto_point2_hyst.dev_attr.attr, | |
| &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp4_auto_point1_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
| &sensor_dev_attr_temp4_auto_point2_temp.dev_attr.attr, | |
| &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
| &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
| &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
| &sensor_dev_attr_pwm4_enable.dev_attr.attr, | |
| &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, | |
| &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, | |
| &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, | |
| &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr, | |
| NULL | |
| }; | |
| ATTRIBUTE_GROUPS(adt7462); | |
| /* Return 0 if detection is successful, -ENODEV otherwise */ | |
| static int adt7462_detect(struct i2c_client *client, | |
| struct i2c_board_info *info) | |
| { | |
| struct i2c_adapter *adapter = client->adapter; | |
| int vendor, device, revision; | |
| if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
| return -ENODEV; | |
| vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); | |
| if (vendor != ADT7462_VENDOR) | |
| return -ENODEV; | |
| device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); | |
| if (device != ADT7462_DEVICE) | |
| return -ENODEV; | |
| revision = i2c_smbus_read_byte_data(client, ADT7462_REG_REVISION); | |
| if (revision != ADT7462_REVISION) | |
| return -ENODEV; | |
| strlcpy(info->type, "adt7462", I2C_NAME_SIZE); | |
| return 0; | |
| } | |
| static int adt7462_probe(struct i2c_client *client, | |
| const struct i2c_device_id *id) | |
| { | |
| struct device *dev = &client->dev; | |
| struct adt7462_data *data; | |
| struct device *hwmon_dev; | |
| data = devm_kzalloc(dev, sizeof(struct adt7462_data), GFP_KERNEL); | |
| if (!data) | |
| return -ENOMEM; | |
| data->client = client; | |
| mutex_init(&data->lock); | |
| dev_info(&client->dev, "%s chip found\n", client->name); | |
| hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, | |
| data, | |
| adt7462_groups); | |
| return PTR_ERR_OR_ZERO(hwmon_dev); | |
| } | |
| static const struct i2c_device_id adt7462_id[] = { | |
| { "adt7462", 0 }, | |
| { } | |
| }; | |
| MODULE_DEVICE_TABLE(i2c, adt7462_id); | |
| static struct i2c_driver adt7462_driver = { | |
| .class = I2C_CLASS_HWMON, | |
| .driver = { | |
| .name = "adt7462", | |
| }, | |
| .probe = adt7462_probe, | |
| .id_table = adt7462_id, | |
| .detect = adt7462_detect, | |
| .address_list = normal_i2c, | |
| }; | |
| module_i2c_driver(adt7462_driver); | |
| MODULE_AUTHOR("Darrick J. Wong <darrick.wong@oracle.com>"); | |
| MODULE_DESCRIPTION("ADT7462 driver"); | |
| MODULE_LICENSE("GPL"); |