^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) * f75375s.c - driver for the Fintek F75375/SP, F75373 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * F75387SG/RG hardware monitoring features
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2006-2007 Riku Voipio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Datasheets available at:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * f75375:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * f75373:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * f75387:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * http://www.fintek.com.tw/files/productfiles/F75387_V027P.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/f75375s.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* Addresses to scan */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) enum chips { f75373, f75375, f75387 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* Fintek F75375 registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define F75375_REG_CONFIG0 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define F75375_REG_CONFIG1 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define F75375_REG_CONFIG2 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define F75375_REG_CONFIG3 0x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define F75375_REG_ADDR 0x4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define F75375_REG_INTR 0x31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define F75375_CHIP_ID 0x5A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define F75375_REG_VERSION 0x5C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define F75375_REG_VENDOR 0x5D
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define F75375_REG_FAN_TIMER 0x60
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define F75375_REG_VOLT(nr) (0x10 + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define F75375_REG_VOLT_HIGH(nr) (0x20 + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define F75375_REG_TEMP(nr) (0x14 + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define F75387_REG_TEMP11_LSB(nr) (0x1a + (nr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define F75375_REG_FAN(nr) (0x16 + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define F75375_REG_FAN_MIN(nr) (0x2C + (nr) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define F75375_REG_FAN_FULL(nr) (0x70 + (nr) * 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define F75375_REG_FAN_PWM_DUTY(nr) (0x76 + (nr) * 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define F75375_REG_FAN_PWM_CLOCK(nr) (0x7D + (nr) * 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define F75375_REG_FAN_EXP(nr) (0x74 + (nr) * 0x10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define F75375_REG_FAN_B_TEMP(nr, step) ((0xA0 + (nr) * 0x10) + (step))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define F75375_REG_FAN_B_SPEED(nr, step) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ((0xA5 + (nr) * 0x10) + (step) * 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define F75375_REG_PWM1_RAISE_DUTY 0x69
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define F75375_REG_PWM2_RAISE_DUTY 0x6A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define F75375_REG_PWM1_DROP_DUTY 0x6B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define F75375_REG_PWM2_DROP_DUTY 0x6C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define F75375_FAN_CTRL_LINEAR(nr) (4 + nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define F75387_FAN_CTRL_LINEAR(nr) (1 + ((nr) * 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define FAN_CTRL_MODE(nr) (4 + ((nr) * 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define F75387_FAN_DUTY_MODE(nr) (2 + ((nr) * 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define F75387_FAN_MANU_MODE(nr) ((nr) * 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * Data structures and manipulation thereof
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct f75375_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) unsigned short addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int kind;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct mutex update_lock; /* protect register access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) char valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) unsigned long last_updated; /* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) unsigned long last_limits; /* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Register values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 in[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 in_max[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u8 in_min[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) u16 fan[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) u16 fan_min[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) u16 fan_max[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u16 fan_target[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 fan_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) u8 pwm[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u8 pwm_mode[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) u8 pwm_enable[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * f75387: For remote temperature reading, it uses signed 11-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * values with LSB = 0.125 degree Celsius, left-justified in 16-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * registers. For original 8-bit temp readings, the LSB just is 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) s16 temp11[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) s8 temp_high[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) s8 temp_max_hyst[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int f75375_detect(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct i2c_board_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static int f75375_probe(struct i2c_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static int f75375_remove(struct i2c_client *client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static const struct i2c_device_id f75375_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) { "f75373", f75373 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { "f75375", f75375 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) { "f75387", f75387 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) MODULE_DEVICE_TABLE(i2c, f75375_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static struct i2c_driver f75375_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) .class = I2C_CLASS_HWMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .name = "f75375",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .probe_new = f75375_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .remove = f75375_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .id_table = f75375_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .detect = f75375_detect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .address_list = normal_i2c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static inline int f75375_read8(struct i2c_client *client, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return i2c_smbus_read_byte_data(client, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /* in most cases, should be called while holding update_lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static inline u16 f75375_read16(struct i2c_client *client, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return (i2c_smbus_read_byte_data(client, reg) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) | i2c_smbus_read_byte_data(client, reg + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static inline void f75375_write8(struct i2c_client *client, u8 reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) u8 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) i2c_smbus_write_byte_data(client, reg, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static inline void f75375_write16(struct i2c_client *client, u8 reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u16 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) int err = i2c_smbus_write_byte_data(client, reg, (value >> 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static void f75375_write_pwm(struct i2c_client *client, int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (data->kind == f75387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) f75375_write16(client, F75375_REG_FAN_EXP(nr), data->pwm[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) data->pwm[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static struct f75375_data *f75375_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /* Limit registers cache is refreshed after 60 seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if (time_after(jiffies, data->last_limits + 60 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) for (nr = 0; nr < 2; nr++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) data->temp_high[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) f75375_read8(client, F75375_REG_TEMP_HIGH(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) data->temp_max_hyst[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) f75375_read8(client, F75375_REG_TEMP_HYST(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) data->fan_max[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) f75375_read16(client, F75375_REG_FAN_FULL(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) data->fan_min[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) f75375_read16(client, F75375_REG_FAN_MIN(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) data->fan_target[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) f75375_read16(client, F75375_REG_FAN_EXP(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) for (nr = 0; nr < 4; nr++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) data->in_max[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) f75375_read8(client, F75375_REG_VOLT_HIGH(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) data->in_min[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) f75375_read8(client, F75375_REG_VOLT_LOW(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) data->fan_timer = f75375_read8(client, F75375_REG_FAN_TIMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) data->last_limits = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* Measurement registers cache is refreshed after 2 second */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (time_after(jiffies, data->last_updated + 2 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) for (nr = 0; nr < 2; nr++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) data->pwm[nr] = f75375_read8(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) F75375_REG_FAN_PWM_DUTY(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) /* assign MSB, therefore shift it by 8 bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) data->temp11[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) f75375_read8(client, F75375_REG_TEMP(nr)) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (data->kind == f75387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) /* merge F75387's temperature LSB (11-bit) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) data->temp11[nr] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) f75375_read8(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) F75387_REG_TEMP11_LSB(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) data->fan[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) f75375_read16(client, F75375_REG_FAN(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) for (nr = 0; nr < 4; nr++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) data->in[nr] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) f75375_read8(client, F75375_REG_VOLT(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static inline u16 rpm_from_reg(u16 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (reg == 0 || reg == 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) return 1500000 / reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static inline u16 rpm_to_reg(int rpm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (rpm < 367 || rpm > 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return 1500000 / rpm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static bool duty_mode_enabled(u8 pwm_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) switch (pwm_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) case 0: /* Manual, duty mode (full speed) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) case 1: /* Manual, duty mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) case 4: /* Auto, duty mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) case 2: /* Auto, speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) case 3: /* Manual, speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static bool auto_mode_enabled(u8 pwm_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) switch (pwm_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) case 0: /* Manual, duty mode (full speed) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) case 1: /* Manual, duty mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) case 3: /* Manual, speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) case 2: /* Auto, speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) case 4: /* Auto, duty mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) data->fan_min[nr] = rpm_to_reg(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) f75375_write16(client, F75375_REG_FAN_MIN(nr), data->fan_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) static ssize_t set_fan_target(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (auto_mode_enabled(data->pwm_enable[nr]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (data->kind == f75387 && duty_mode_enabled(data->pwm_enable[nr]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) data->fan_target[nr] = rpm_to_reg(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_target[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (auto_mode_enabled(data->pwm_enable[nr]) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) !duty_mode_enabled(data->pwm_enable[nr]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) data->pwm[nr] = clamp_val(val, 0, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) f75375_write_pwm(client, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) return sprintf(buf, "%d\n", data->pwm_enable[nr]);
^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 int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) u8 fanmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (val < 0 || val > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) if (data->kind == f75387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) /* For now, deny dangerous toggling of duty mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (duty_mode_enabled(data->pwm_enable[nr]) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) duty_mode_enabled(val))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /* clear each fanX_mode bit before setting them properly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) fanmode &= ~(1 << F75387_FAN_DUTY_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) fanmode &= ~(1 << F75387_FAN_MANU_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) case 0: /* full speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) fanmode |= (1 << F75387_FAN_MANU_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) fanmode |= (1 << F75387_FAN_DUTY_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) data->pwm[nr] = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) case 1: /* PWM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) fanmode |= (1 << F75387_FAN_MANU_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) fanmode |= (1 << F75387_FAN_DUTY_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) case 2: /* Automatic, speed mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) case 3: /* fan speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) fanmode |= (1 << F75387_FAN_MANU_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) case 4: /* Automatic, pwm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) fanmode |= (1 << F75387_FAN_DUTY_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* clear each fanX_mode bit before setting them properly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) fanmode &= ~(3 << FAN_CTRL_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) case 0: /* full speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) fanmode |= (3 << FAN_CTRL_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) data->pwm[nr] = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) case 1: /* PWM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) fanmode |= (3 << FAN_CTRL_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) case 2: /* AUTOMATIC*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) fanmode |= (1 << FAN_CTRL_MODE(nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) case 3: /* fan speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) case 4: /* Automatic pwm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) f75375_write8(client, F75375_REG_FAN_TIMER, fanmode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) data->pwm_enable[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (val == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) f75375_write_pwm(client, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) err = set_pwm_enable_direct(client, nr, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) return err ? err : count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) u8 conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) char reg, ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) if (!(val == 0 || val == 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) /* F75373 does not support DC (linear voltage) fan control mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (data->kind == f75373 && val == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) /* take care for different registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) if (data->kind == f75387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) reg = F75375_REG_FAN_TIMER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) ctrl = F75387_FAN_CTRL_LINEAR(nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) reg = F75375_REG_CONFIG1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ctrl = F75375_FAN_CTRL_LINEAR(nr);
^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) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) conf = f75375_read8(client, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) conf &= ~(1 << ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (val == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) conf |= (1 << ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) f75375_write8(client, reg, conf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) data->pwm_mode[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) static ssize_t show_pwm(struct device *dev, struct device_attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) return sprintf(buf, "%d\n", data->pwm[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static ssize_t show_pwm_mode(struct device *dev, struct device_attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) return sprintf(buf, "%d\n", data->pwm_mode[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) #define VOLT_FROM_REG(val) ((val) * 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) #define VOLT_TO_REG(val) ((val) / 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) static ssize_t show_in(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_max[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_min[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) val = clamp_val(VOLT_TO_REG(val), 0, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) data->in_max[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) f75375_write8(client, F75375_REG_VOLT_HIGH(nr), data->in_max[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) val = clamp_val(VOLT_TO_REG(val), 0, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) data->in_min[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) f75375_write8(client, F75375_REG_VOLT_LOW(nr), data->in_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) #define TEMP_FROM_REG(val) ((val) * 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) #define TEMP_TO_REG(val) ((val) / 1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) #define TEMP11_FROM_REG(reg) ((reg) / 32 * 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) static ssize_t show_temp11(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) static ssize_t show_temp_max_hyst(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct f75375_data *data = f75375_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[nr]));
^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 set_temp_max(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) val = clamp_val(TEMP_TO_REG(val), 0, 127);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) data->temp_high[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) f75375_write8(client, F75375_REG_TEMP_HIGH(nr), data->temp_high[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static ssize_t set_temp_max_hyst(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) int nr = to_sensor_dev_attr(attr)->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) val = clamp_val(TEMP_TO_REG(val), 0, 127);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) data->temp_max_hyst[nr] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) f75375_write8(client, F75375_REG_TEMP_HYST(nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) data->temp_max_hyst[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) #define show_fan(thing) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) char *buf)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) {\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) int nr = to_sensor_dev_attr(attr)->index;\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) struct f75375_data *data = f75375_update_device(dev); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) return sprintf(buf, "%d\n", rpm_from_reg(data->thing[nr])); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) show_fan(fan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) show_fan(fan_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) show_fan(fan_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) show_fan(fan_target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) show_in_max, set_in_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) show_in_min, set_in_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) show_in_max, set_in_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) show_in_min, set_in_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) show_in_max, set_in_max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) show_in_min, set_in_min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) show_in_max, set_in_max, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) show_in_min, set_in_min, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) show_temp_max_hyst, set_temp_max_hyst, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) show_temp_max, set_temp_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) show_temp_max_hyst, set_temp_max_hyst, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) show_temp_max, set_temp_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, show_fan_max, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) show_fan_min, set_fan_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) show_fan_target, set_fan_target, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) static SENSOR_DEVICE_ATTR(fan2_max, S_IRUGO, show_fan_max, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) show_fan_min, set_fan_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) show_fan_target, set_fan_target, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) show_pwm, set_pwm, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) show_pwm_enable, set_pwm_enable, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) show_pwm_mode, set_pwm_mode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) show_pwm, set_pwm, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) show_pwm_enable, set_pwm_enable, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) show_pwm_mode, set_pwm_mode, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) static struct attribute *f75375_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) &sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) &sensor_dev_attr_temp1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) &sensor_dev_attr_temp2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) &sensor_dev_attr_temp2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) &sensor_dev_attr_fan1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) &sensor_dev_attr_fan1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) &sensor_dev_attr_fan1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) &sensor_dev_attr_fan1_target.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) &sensor_dev_attr_fan2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) &sensor_dev_attr_fan2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) &sensor_dev_attr_fan2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) &sensor_dev_attr_fan2_target.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) &sensor_dev_attr_pwm1.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) &sensor_dev_attr_pwm1_enable.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) &sensor_dev_attr_pwm1_mode.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) &sensor_dev_attr_pwm2.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) &sensor_dev_attr_pwm2_enable.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) &sensor_dev_attr_pwm2_mode.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) &sensor_dev_attr_in0_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) &sensor_dev_attr_in0_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) &sensor_dev_attr_in0_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) &sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) &sensor_dev_attr_in1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) &sensor_dev_attr_in1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) &sensor_dev_attr_in2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) &sensor_dev_attr_in2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) &sensor_dev_attr_in2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) &sensor_dev_attr_in3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) &sensor_dev_attr_in3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) &sensor_dev_attr_in3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) static const struct attribute_group f75375_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) .attrs = f75375_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) static void f75375_init(struct i2c_client *client, struct f75375_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) struct f75375s_platform_data *f75375s_pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) int nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) if (!f75375s_pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) u8 conf, mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) int nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) conf = f75375_read8(client, F75375_REG_CONFIG1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) mode = f75375_read8(client, F75375_REG_FAN_TIMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) for (nr = 0; nr < 2; nr++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) if (data->kind == f75387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) bool manu, duty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) data->pwm_mode[nr] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) duty = ((mode >> F75387_FAN_DUTY_MODE(nr)) & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) if (!manu && duty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) /* auto, pwm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) data->pwm_enable[nr] = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) else if (manu && !duty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) /* manual, speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) data->pwm_enable[nr] = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) else if (!manu && !duty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) /* automatic, speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) data->pwm_enable[nr] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) /* manual, pwm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) data->pwm_enable[nr] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) if (!(conf & (1 << F75375_FAN_CTRL_LINEAR(nr))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) data->pwm_mode[nr] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) switch ((mode >> FAN_CTRL_MODE(nr)) & 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) case 0: /* speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) data->pwm_enable[nr] = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) case 1: /* automatic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) data->pwm_enable[nr] = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) default: /* manual */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) data->pwm_enable[nr] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) for (nr = 0; nr < 2; nr++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) if (auto_mode_enabled(f75375s_pdata->pwm_enable[nr]) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) !duty_mode_enabled(f75375s_pdata->pwm_enable[nr]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) data->pwm[nr] = clamp_val(f75375s_pdata->pwm[nr], 0, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) f75375_write_pwm(client, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) static int f75375_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) struct f75375_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) struct f75375s_platform_data *f75375s_pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) I2C_FUNC_SMBUS_BYTE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) data = devm_kzalloc(&client->dev, sizeof(struct f75375_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) i2c_set_clientdata(client, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) data->kind = i2c_match_id(f75375_id, client)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) err = sysfs_create_group(&client->dev.kobj, &f75375_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (data->kind != f75373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) err = sysfs_chmod_file(&client->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) &sensor_dev_attr_pwm1_mode.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) goto exit_remove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) err = sysfs_chmod_file(&client->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) &sensor_dev_attr_pwm2_mode.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) goto exit_remove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) data->hwmon_dev = hwmon_device_register(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (IS_ERR(data->hwmon_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) err = PTR_ERR(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) goto exit_remove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) f75375_init(client, data, f75375s_pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) exit_remove:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) sysfs_remove_group(&client->dev.kobj, &f75375_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) static int f75375_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) struct f75375_data *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) hwmon_device_unregister(data->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) sysfs_remove_group(&client->dev.kobj, &f75375_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) /* Return 0 if detection is successful, -ENODEV otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) static int f75375_detect(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) struct i2c_board_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) struct i2c_adapter *adapter = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) u16 vendid, chipid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) u8 version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) vendid = f75375_read16(client, F75375_REG_VENDOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) chipid = f75375_read16(client, F75375_CHIP_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) if (vendid != 0x1934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) if (chipid == 0x0306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) name = "f75375";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) else if (chipid == 0x0204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) name = "f75373";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) else if (chipid == 0x0410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) name = "f75387";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) version = f75375_read8(client, F75375_REG_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) dev_info(&adapter->dev, "found %s version: %02X\n", name, version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) strlcpy(info->type, name, I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) module_i2c_driver(f75375_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) MODULE_AUTHOR("Riku Voipio");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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