^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * lm63.c - driver for the National Semiconductor LM63 temperature sensor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * with integrated fan control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2004-2008 Jean Delvare <jdelvare@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Based on the lm90 driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * The LM63 is a sensor chip made by National Semiconductor. It measures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * two temperatures (its own and one external one) and the speed of one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * fan, those speed it can additionally control. Complete datasheet can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * obtained from National's website at:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * http://www.national.com/pf/LM/LM63.html
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * The LM63 is basically an LM86 with fan speed monitoring and control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * capabilities added. It misses some of the LM86 features though:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * - No low limit for local temperature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * - No critical limit for local temperature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * - Critical limit for remote temperature can be changed only once. We
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * will consider that the critical limit is read-only.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * The datasheet isn't very clear about what the tachometer reading is.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * I had a explanation from National Semiconductor though. The two lower
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * bits of the read value have to be masked out. The value is still 16 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * in width.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * Addresses to scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * Address is fully defined internally and cannot be changed except for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * LM64 which has one pin dedicated to address selection.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * LM63 and LM96163 have address 0x4c.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * LM64 can have address 0x18 or 0x4e.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static const unsigned short normal_i2c[] = { 0x18, 0x4c, 0x4e, I2C_CLIENT_END };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * The LM63 registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define LM63_REG_CONFIG1 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define LM63_REG_CONVRATE 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define LM63_REG_CONFIG2 0xBF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define LM63_REG_CONFIG_FAN 0x4A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define LM63_REG_TACH_COUNT_MSB 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define LM63_REG_TACH_COUNT_LSB 0x46
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define LM63_REG_TACH_LIMIT_MSB 0x49
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define LM63_REG_TACH_LIMIT_LSB 0x48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define LM63_REG_PWM_VALUE 0x4C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define LM63_REG_PWM_FREQ 0x4D
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define LM63_REG_LUT_TEMP_HYST 0x4F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define LM63_REG_LUT_TEMP(nr) (0x50 + 2 * (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define LM63_REG_LUT_PWM(nr) (0x51 + 2 * (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define LM63_REG_LOCAL_TEMP 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define LM63_REG_LOCAL_HIGH 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define LM63_REG_REMOTE_TEMP_MSB 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define LM63_REG_REMOTE_TEMP_LSB 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define LM63_REG_REMOTE_OFFSET_MSB 0x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define LM63_REG_REMOTE_OFFSET_LSB 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define LM63_REG_REMOTE_HIGH_MSB 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define LM63_REG_REMOTE_HIGH_LSB 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define LM63_REG_REMOTE_LOW_MSB 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define LM63_REG_REMOTE_LOW_LSB 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define LM63_REG_REMOTE_TCRIT 0x19
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define LM63_REG_REMOTE_TCRIT_HYST 0x21
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define LM63_REG_ALERT_STATUS 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define LM63_REG_ALERT_MASK 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define LM63_REG_MAN_ID 0xFE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define LM63_REG_CHIP_ID 0xFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define LM96163_REG_TRUTHERM 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define LM96163_REG_REMOTE_TEMP_U_MSB 0x31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define LM96163_REG_REMOTE_TEMP_U_LSB 0x32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define LM96163_REG_CONFIG_ENHANCED 0x45
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define LM63_MAX_CONVRATE 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define LM63_MAX_CONVRATE_HZ 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define LM96163_MAX_CONVRATE_HZ 26
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Conversions and various macros
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * For tachometer counts, the LM63 uses 16-bit values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * For local temperature and high limit, remote critical limit and hysteresis
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * value, it uses signed 8-bit values with LSB = 1 degree Celsius.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * For remote temperature, low and high limits, it uses signed 11-bit values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * with LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * For LM64 the actual remote diode temperature is 16 degree Celsius higher
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * than the register reading. Remote temperature setpoints have to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * adapted accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define FAN_FROM_REG(reg) ((reg) == 0xFFFC || (reg) == 0 ? 0 : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 5400000 / (reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define FAN_TO_REG(val) ((val) <= 82 ? 0xFFFC : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) (5400000 / (val)) & 0xFFFC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define TEMP8_FROM_REG(reg) ((reg) * 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define TEMP8_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), -128000, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 127000), 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #define TEMP8U_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 255000), 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define TEMP11_FROM_REG(reg) ((reg) / 32 * 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define TEMP11_TO_REG(val) (DIV_ROUND_CLOSEST(clamp_val((val), -128000, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 127875), 125) * 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define TEMP11U_TO_REG(val) (DIV_ROUND_CLOSEST(clamp_val((val), 0, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 255875), 125) * 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define HYST_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, 127000), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define UPDATE_INTERVAL(max, rate) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ((1000 << (LM63_MAX_CONVRATE - (rate))) / (max))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) enum chips { lm63, lm64, lm96163 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * Client data (each client gets its own)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct lm63_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct mutex update_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) const struct attribute_group *groups[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) char valid; /* zero until following fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) char lut_valid; /* zero until lut fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) unsigned long last_updated; /* in jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) unsigned long lut_last_updated; /* in jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) enum chips kind;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) int temp2_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int update_interval; /* in milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) int max_convrate_hz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int lut_size; /* 8 or 12 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* registers values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u8 config, config_fan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u16 fan[2]; /* 0: input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 1: low limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u8 pwm1_freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u8 pwm1[13]; /* 0: current output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 1-12: lookup table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) s8 temp8[15]; /* 0: local input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 1: local high limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 2: remote critical limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 3-14: lookup table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) s16 temp11[4]; /* 0: remote input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 1: remote low limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 2: remote high limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 3: remote offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) u16 temp11u; /* remote input (unsigned) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) u8 temp2_crit_hyst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) u8 lut_temp_hyst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) u8 alarms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) bool pwm_highres;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) bool lut_temp_highres;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) bool remote_unsigned; /* true if unsigned remote upper limits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) bool trutherm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static inline int temp8_from_reg(struct lm63_data *data, int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (data->remote_unsigned)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return TEMP8_FROM_REG((u8)data->temp8[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return TEMP8_FROM_REG(data->temp8[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static inline int lut_temp_from_reg(struct lm63_data *data, int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return data->temp8[nr] * (data->lut_temp_highres ? 500 : 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static inline int lut_temp_to_reg(struct lm63_data *data, long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) val -= data->temp2_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (data->lut_temp_highres)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return DIV_ROUND_CLOSEST(clamp_val(val, 0, 127500), 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * Update the lookup table register cache.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * client->update_lock must be held when calling this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static void lm63_update_lut(struct lm63_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (time_after(jiffies, data->lut_last_updated + 5 * HZ) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) !data->lut_valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) for (i = 0; i < data->lut_size; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) data->pwm1[1 + i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) LM63_REG_LUT_PWM(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) data->temp8[3 + i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) LM63_REG_LUT_TEMP(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) data->lut_temp_hyst = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) LM63_REG_LUT_TEMP_HYST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) data->lut_last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) data->lut_valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static struct lm63_data *lm63_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) unsigned long next_update;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) next_update = data->last_updated +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) msecs_to_jiffies(data->update_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (time_after(jiffies, next_update) || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (data->config & 0x04) { /* tachometer enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /* order matters for fan1_input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) data->fan[0] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) LM63_REG_TACH_COUNT_LSB) & 0xFC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) data->fan[0] |= i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) LM63_REG_TACH_COUNT_MSB) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) data->fan[1] = (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) LM63_REG_TACH_LIMIT_LSB) & 0xFC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) | (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) LM63_REG_TACH_LIMIT_MSB) << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) data->pwm1_freq = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) LM63_REG_PWM_FREQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (data->pwm1_freq == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) data->pwm1_freq = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) data->pwm1[0] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) LM63_REG_PWM_VALUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) data->temp8[0] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) LM63_REG_LOCAL_TEMP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) data->temp8[1] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) LM63_REG_LOCAL_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /* order matters for temp2_input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) data->temp11[0] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) LM63_REG_REMOTE_TEMP_MSB) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) data->temp11[0] |= i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) LM63_REG_REMOTE_TEMP_LSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) data->temp11[1] = (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) LM63_REG_REMOTE_LOW_MSB) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) | i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) LM63_REG_REMOTE_LOW_LSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) data->temp11[2] = (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) LM63_REG_REMOTE_HIGH_MSB) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) | i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) LM63_REG_REMOTE_HIGH_LSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) data->temp11[3] = (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) LM63_REG_REMOTE_OFFSET_MSB) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) | i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) LM63_REG_REMOTE_OFFSET_LSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (data->kind == lm96163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) data->temp11u = (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) LM96163_REG_REMOTE_TEMP_U_MSB) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) | i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) LM96163_REG_REMOTE_TEMP_U_LSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) data->temp8[2] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) LM63_REG_REMOTE_TCRIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) data->temp2_crit_hyst = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) LM63_REG_REMOTE_TCRIT_HYST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) data->alarms = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) LM63_REG_ALERT_STATUS) & 0x7F;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) lm63_update_lut(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) * Trip points in the lookup table should be in ascending order for both
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) * temperatures and PWM output values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static int lm63_lut_looks_bad(struct device *dev, struct lm63_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) lm63_update_lut(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) for (i = 1; i < data->lut_size; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) if (data->pwm1[1 + i - 1] > data->pwm1[1 + i]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) || data->temp8[3 + i - 1] > data->temp8[3 + i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) dev_warn(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) "Lookup table doesn't look sane (check entries %d and %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) i, i + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return i == data->lut_size ? 0 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * Sysfs callback functions and files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static ssize_t set_fan(struct device *dev, struct device_attribute *dummy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) data->fan[1] = FAN_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) data->fan[1] & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_MSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) data->fan[1] >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) static ssize_t show_pwm1(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) int pwm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (data->pwm_highres)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) pwm = data->pwm1[nr];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) pwm = data->pwm1[nr] >= 2 * data->pwm1_freq ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 255 : (data->pwm1[nr] * 255 + data->pwm1_freq) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) (2 * data->pwm1_freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return sprintf(buf, "%d\n", pwm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static ssize_t set_pwm1(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) u8 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (!(data->config_fan & 0x20)) /* register is read-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) reg = nr ? LM63_REG_LUT_PWM(nr - 1) : LM63_REG_PWM_VALUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) val = clamp_val(val, 0, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) data->pwm1[nr] = data->pwm_highres ? val :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) (val * data->pwm1_freq * 2 + 127) / 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) i2c_smbus_write_byte_data(client, reg, data->pwm1[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static ssize_t pwm1_enable_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) struct device_attribute *dummy, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) static ssize_t pwm1_enable_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) struct device_attribute *dummy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (val < 1 || val > 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) * Only let the user switch to automatic mode if the lookup table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) * looks sane.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) if (val == 2 && lm63_lut_looks_bad(dev, data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) data->config_fan = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) LM63_REG_CONFIG_FAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (val == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) data->config_fan |= 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) data->config_fan &= ~0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) i2c_smbus_write_byte_data(client, LM63_REG_CONFIG_FAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) data->config_fan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) * There are 8bit registers for both local(temp1) and remote(temp2) sensor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) * For remote sensor registers temp2_offset has to be considered,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * for local sensor it must not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * So we need separate 8bit accessors for local and remote sensor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) static ssize_t show_local_temp8(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[attr->index]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static ssize_t show_remote_temp8(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) return sprintf(buf, "%d\n", temp8_from_reg(data, attr->index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) + data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static ssize_t show_lut_temp(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return sprintf(buf, "%d\n", lut_temp_from_reg(data, attr->index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) + data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) int temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) u8 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) switch (nr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) reg = LM63_REG_REMOTE_TCRIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) if (data->remote_unsigned)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) temp = TEMP8U_TO_REG(val - data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) temp = TEMP8_TO_REG(val - data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) reg = LM63_REG_LOCAL_HIGH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) temp = TEMP8_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) default: /* lookup table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) reg = LM63_REG_LUT_TEMP(nr - 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) temp = lut_temp_to_reg(data, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) data->temp8[nr] = temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) i2c_smbus_write_byte_data(client, reg, temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) int temp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (!nr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) * Use unsigned temperature unless its value is zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) * If it is zero, use signed temperature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (data->temp11u)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) temp = TEMP11_FROM_REG(data->temp11u);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) temp = TEMP11_FROM_REG(data->temp11[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if (data->remote_unsigned && nr == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) temp = TEMP11_FROM_REG((u16)data->temp11[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) temp = TEMP11_FROM_REG(data->temp11[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) return sprintf(buf, "%d\n", temp + data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) static const u8 reg[6] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) LM63_REG_REMOTE_LOW_MSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) LM63_REG_REMOTE_LOW_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) LM63_REG_REMOTE_HIGH_MSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) LM63_REG_REMOTE_HIGH_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) LM63_REG_REMOTE_OFFSET_MSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) LM63_REG_REMOTE_OFFSET_LSB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) int nr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) if (data->remote_unsigned && nr == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) data->temp11[nr] = TEMP11U_TO_REG(val - data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) data->temp11[nr] = TEMP11_TO_REG(val - data->temp2_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) data->temp11[nr] >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) data->temp11[nr] & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) * Hysteresis register holds a relative value, while we want to present
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) * an absolute to user-space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) static ssize_t temp2_crit_hyst_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct device_attribute *dummy, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) return sprintf(buf, "%d\n", temp8_from_reg(data, 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) + data->temp2_offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) - TEMP8_FROM_REG(data->temp2_crit_hyst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) static ssize_t show_lut_temp_hyst(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) return sprintf(buf, "%d\n", lut_temp_from_reg(data, attr->index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) + data->temp2_offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) - TEMP8_FROM_REG(data->lut_temp_hyst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * And now the other way around, user-space provides an absolute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * hysteresis value and we have to store a relative one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) static ssize_t temp2_crit_hyst_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) struct device_attribute *dummy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) long hyst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) hyst = temp8_from_reg(data, 2) + data->temp2_offset - val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) HYST_TO_REG(hyst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) * Set conversion rate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) * client->update_lock must be held when calling this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) static void lm63_set_convrate(struct lm63_data *data, unsigned int interval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) unsigned int update_interval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) /* Shift calculations to avoid rounding errors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) interval <<= 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) /* find the nearest update rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) update_interval = (1 << (LM63_MAX_CONVRATE + 6)) * 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) / data->max_convrate_hz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) for (i = 0; i < LM63_MAX_CONVRATE; i++, update_interval >>= 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) if (interval >= update_interval * 3 / 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) i2c_smbus_write_byte_data(client, LM63_REG_CONVRATE, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) data->update_interval = UPDATE_INTERVAL(data->max_convrate_hz, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) static ssize_t update_interval_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) return sprintf(buf, "%u\n", data->update_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) static ssize_t update_interval_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) lm63_set_convrate(data, clamp_val(val, 0, 100000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) static ssize_t temp2_type_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) return sprintf(buf, data->trutherm ? "1\n" : "2\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) static ssize_t temp2_type_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) u8 reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) ret = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) if (val != 1 && val != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) data->trutherm = val == 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) reg = i2c_smbus_read_byte_data(client, LM96163_REG_TRUTHERM) & ~0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) i2c_smbus_write_byte_data(client, LM96163_REG_TRUTHERM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) reg | (data->trutherm ? 0x02 : 0x00));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) data->valid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) static ssize_t alarms_show(struct device *dev, struct device_attribute *dummy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) return sprintf(buf, "%u\n", data->alarms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) static ssize_t show_alarm(struct device *dev, struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) struct lm63_data *data = lm63_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) int bitnr = attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) set_fan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) static DEVICE_ATTR_RW(pwm1_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) show_pwm1, set_pwm1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) show_lut_temp, set_temp8, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) show_lut_temp_hyst, NULL, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) show_pwm1, set_pwm1, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) show_lut_temp, set_temp8, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) show_lut_temp_hyst, NULL, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) show_pwm1, set_pwm1, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) show_lut_temp, set_temp8, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) show_lut_temp_hyst, NULL, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) static SENSOR_DEVICE_ATTR(pwm1_auto_point4_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) show_pwm1, set_pwm1, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) show_lut_temp, set_temp8, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) show_lut_temp_hyst, NULL, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) static SENSOR_DEVICE_ATTR(pwm1_auto_point5_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) show_pwm1, set_pwm1, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) show_lut_temp, set_temp8, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) show_lut_temp_hyst, NULL, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) static SENSOR_DEVICE_ATTR(pwm1_auto_point6_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) show_pwm1, set_pwm1, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) show_lut_temp, set_temp8, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) show_lut_temp_hyst, NULL, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) static SENSOR_DEVICE_ATTR(pwm1_auto_point7_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) show_pwm1, set_pwm1, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) show_lut_temp, set_temp8, 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) show_lut_temp_hyst, NULL, 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) static SENSOR_DEVICE_ATTR(pwm1_auto_point8_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) show_pwm1, set_pwm1, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) show_lut_temp, set_temp8, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) show_lut_temp_hyst, NULL, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) static SENSOR_DEVICE_ATTR(pwm1_auto_point9_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) show_pwm1, set_pwm1, 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) show_lut_temp, set_temp8, 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) show_lut_temp_hyst, NULL, 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) static SENSOR_DEVICE_ATTR(pwm1_auto_point10_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) show_pwm1, set_pwm1, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) show_lut_temp, set_temp8, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) show_lut_temp_hyst, NULL, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) static SENSOR_DEVICE_ATTR(pwm1_auto_point11_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) show_pwm1, set_pwm1, 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) static SENSOR_DEVICE_ATTR(pwm1_auto_point11_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) show_lut_temp, set_temp8, 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) static SENSOR_DEVICE_ATTR(pwm1_auto_point11_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) show_lut_temp_hyst, NULL, 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) static SENSOR_DEVICE_ATTR(pwm1_auto_point12_pwm, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) show_pwm1, set_pwm1, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) static SENSOR_DEVICE_ATTR(pwm1_auto_point12_temp, S_IWUSR | S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) show_lut_temp, set_temp8, 14);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) static SENSOR_DEVICE_ATTR(pwm1_auto_point12_temp_hyst, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) show_lut_temp_hyst, NULL, 14);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_local_temp8, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_local_temp8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) set_temp8, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) set_temp11, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) set_temp11, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) static SENSOR_DEVICE_ATTR(temp2_offset, S_IWUSR | S_IRUGO, show_temp11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) set_temp11, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_remote_temp8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) set_temp8, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) static DEVICE_ATTR_RW(temp2_crit_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) static DEVICE_ATTR_RW(temp2_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) /* Individual alarm files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) static SENSOR_DEVICE_ATTR(fan1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) /* Raw alarm file for compatibility */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) static DEVICE_ATTR_RO(alarms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) static DEVICE_ATTR_RW(update_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) static struct attribute *lm63_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) &sensor_dev_attr_pwm1.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) &dev_attr_pwm1_enable.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) &sensor_dev_attr_pwm1_auto_point1_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) &sensor_dev_attr_pwm1_auto_point2_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) &sensor_dev_attr_pwm1_auto_point3_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) &sensor_dev_attr_pwm1_auto_point4_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) &sensor_dev_attr_pwm1_auto_point5_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) &sensor_dev_attr_pwm1_auto_point6_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) &sensor_dev_attr_pwm1_auto_point7_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) &sensor_dev_attr_pwm1_auto_point8_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) &sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) &sensor_dev_attr_temp2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) &sensor_dev_attr_temp2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) &sensor_dev_attr_temp1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) &sensor_dev_attr_temp2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) &sensor_dev_attr_temp2_offset.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) &sensor_dev_attr_temp2_crit.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) &dev_attr_temp2_crit_hyst.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) &sensor_dev_attr_temp2_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) &dev_attr_alarms.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) &dev_attr_update_interval.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) static struct attribute *lm63_attributes_temp2_type[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) &dev_attr_temp2_type.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) static const struct attribute_group lm63_group_temp2_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) .attrs = lm63_attributes_temp2_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) static struct attribute *lm63_attributes_extra_lut[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) &sensor_dev_attr_pwm1_auto_point9_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) &sensor_dev_attr_pwm1_auto_point9_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) &sensor_dev_attr_pwm1_auto_point9_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) &sensor_dev_attr_pwm1_auto_point10_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) &sensor_dev_attr_pwm1_auto_point10_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) &sensor_dev_attr_pwm1_auto_point10_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) &sensor_dev_attr_pwm1_auto_point11_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) &sensor_dev_attr_pwm1_auto_point11_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) &sensor_dev_attr_pwm1_auto_point11_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) &sensor_dev_attr_pwm1_auto_point12_pwm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) &sensor_dev_attr_pwm1_auto_point12_temp.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) &sensor_dev_attr_pwm1_auto_point12_temp_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) static const struct attribute_group lm63_group_extra_lut = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) .attrs = lm63_attributes_extra_lut,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) * On LM63, temp2_crit can be set only once, which should be job
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) * of the bootloader.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) * On LM64, temp2_crit can always be set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) * On LM96163, temp2_crit can be set if bit 1 of the configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) * register is true.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) static umode_t lm63_attribute_mode(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) struct attribute *attr, int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) struct device *dev = container_of(kobj, struct device, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) struct lm63_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) if (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) && (data->kind == lm64 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) (data->kind == lm96163 && (data->config & 0x02))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) return attr->mode | S_IWUSR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) return attr->mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) static const struct attribute_group lm63_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) .is_visible = lm63_attribute_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) .attrs = lm63_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) static struct attribute *lm63_attributes_fan1[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) &sensor_dev_attr_fan1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) &sensor_dev_attr_fan1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) &sensor_dev_attr_fan1_min_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) static const struct attribute_group lm63_group_fan1 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) .attrs = lm63_attributes_fan1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) * Real code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) /* Return 0 if detection is successful, -ENODEV otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) static int lm63_detect(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) struct i2c_board_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) struct i2c_adapter *adapter = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) u8 man_id, chip_id, reg_config1, reg_config2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) u8 reg_alert_status, reg_alert_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) int address = client->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) man_id = i2c_smbus_read_byte_data(client, LM63_REG_MAN_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) chip_id = i2c_smbus_read_byte_data(client, LM63_REG_CHIP_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) reg_config1 = i2c_smbus_read_byte_data(client, LM63_REG_CONFIG1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) reg_config2 = i2c_smbus_read_byte_data(client, LM63_REG_CONFIG2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) reg_alert_status = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) LM63_REG_ALERT_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) reg_alert_mask = i2c_smbus_read_byte_data(client, LM63_REG_ALERT_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) if (man_id != 0x01 /* National Semiconductor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) || (reg_config1 & 0x18) != 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) || (reg_config2 & 0xF8) != 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) || (reg_alert_status & 0x20) != 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) || (reg_alert_mask & 0xA4) != 0xA4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) dev_dbg(&adapter->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) "Unsupported chip (man_id=0x%02X, chip_id=0x%02X)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) man_id, chip_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) if (chip_id == 0x41 && address == 0x4c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) strlcpy(info->type, "lm63", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) else if (chip_id == 0x51 && (address == 0x18 || address == 0x4e))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) strlcpy(info->type, "lm64", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) else if (chip_id == 0x49 && address == 0x4c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) strlcpy(info->type, "lm96163", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) * Ideally we shouldn't have to initialize anything, since the BIOS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) * should have taken care of everything
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) static void lm63_init_client(struct lm63_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) u8 convrate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) data->config = i2c_smbus_read_byte_data(client, LM63_REG_CONFIG1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) data->config_fan = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) LM63_REG_CONFIG_FAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) /* Start converting if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) if (data->config & 0x40) { /* standby */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) dev_dbg(dev, "Switching to operational mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) data->config &= 0xA7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) i2c_smbus_write_byte_data(client, LM63_REG_CONFIG1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) data->config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) /* Tachometer is always enabled on LM64 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) if (data->kind == lm64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) data->config |= 0x04;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) /* We may need pwm1_freq before ever updating the client data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) data->pwm1_freq = i2c_smbus_read_byte_data(client, LM63_REG_PWM_FREQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) if (data->pwm1_freq == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) data->pwm1_freq = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) switch (data->kind) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) case lm63:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) case lm64:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) data->max_convrate_hz = LM63_MAX_CONVRATE_HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) data->lut_size = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) case lm96163:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) data->max_convrate_hz = LM96163_MAX_CONVRATE_HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) data->lut_size = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) data->trutherm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) LM96163_REG_TRUTHERM) & 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) convrate = i2c_smbus_read_byte_data(client, LM63_REG_CONVRATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) if (unlikely(convrate > LM63_MAX_CONVRATE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) convrate = LM63_MAX_CONVRATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) data->update_interval = UPDATE_INTERVAL(data->max_convrate_hz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) convrate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) * For LM96163, check if high resolution PWM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) * and unsigned temperature format is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) if (data->kind == lm96163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) u8 config_enhanced
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) LM96163_REG_CONFIG_ENHANCED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) if (config_enhanced & 0x20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) data->lut_temp_highres = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) if ((config_enhanced & 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) && !(data->config_fan & 0x08) && data->pwm1_freq == 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) data->pwm_highres = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) if (config_enhanced & 0x08)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) data->remote_unsigned = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) /* Show some debug info about the LM63 configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) if (data->kind == lm63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) dev_dbg(dev, "Alert/tach pin configured for %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) (data->config & 0x04) ? "tachometer input" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) "alert output");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) dev_dbg(dev, "PWM clock %s kHz, output frequency %u Hz\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) (data->config_fan & 0x08) ? "1.4" : "360",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) ((data->config_fan & 0x08) ? 700 : 180000) / data->pwm1_freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) dev_dbg(dev, "PWM output active %s, %s mode\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) (data->config_fan & 0x10) ? "low" : "high",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) (data->config_fan & 0x20) ? "manual" : "auto");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) static const struct i2c_device_id lm63_id[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) static int lm63_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) struct lm63_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) int groups = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) data = devm_kzalloc(dev, sizeof(struct lm63_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) /* Set the device type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) if (client->dev.of_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) data->kind = (enum chips)of_device_get_match_data(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) data->kind = i2c_match_id(lm63_id, client)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) if (data->kind == lm64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) data->temp2_offset = 16000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) /* Initialize chip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) lm63_init_client(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) /* Register sysfs hooks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) data->groups[groups++] = &lm63_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) if (data->config & 0x04) /* tachometer enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) data->groups[groups++] = &lm63_group_fan1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) if (data->kind == lm96163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) data->groups[groups++] = &lm63_group_temp2_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) data->groups[groups++] = &lm63_group_extra_lut;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) data, data->groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) return PTR_ERR_OR_ZERO(hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) * Driver data (common to all clients)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) static const struct i2c_device_id lm63_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) { "lm63", lm63 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) { "lm64", lm64 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) { "lm96163", lm96163 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) MODULE_DEVICE_TABLE(i2c, lm63_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) static const struct of_device_id __maybe_unused lm63_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) .compatible = "national,lm63",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) .data = (void *)lm63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) .compatible = "national,lm64",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) .data = (void *)lm64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) .compatible = "national,lm96163",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) .data = (void *)lm96163
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) MODULE_DEVICE_TABLE(of, lm63_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) static struct i2c_driver lm63_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) .class = I2C_CLASS_HWMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) .name = "lm63",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) .of_match_table = of_match_ptr(lm63_of_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) .probe_new = lm63_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) .id_table = lm63_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) .detect = lm63_detect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) .address_list = normal_i2c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) module_i2c_driver(lm63_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) MODULE_DESCRIPTION("LM63 driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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