^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) * smsc47m192.c - Support for hardware monitoring block of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * SMSC LPC47M192 and compatible Super I/O chips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2006 Hartmut Rick <linux@rick.claranet.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Derived from lm78.c and other chip drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/hwmon-vid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* Addresses to scan */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* SMSC47M192 registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define SMSC47M192_REG_IN(nr) ((nr) < 6 ? (0x20 + (nr)) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) (0x50 + (nr) - 6))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define SMSC47M192_REG_IN_MAX(nr) ((nr) < 6 ? (0x2b + (nr) * 2) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) (0x54 + (((nr) - 6) * 2)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define SMSC47M192_REG_IN_MIN(nr) ((nr) < 6 ? (0x2c + (nr) * 2) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) (0x55 + (((nr) - 6) * 2)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static u8 SMSC47M192_REG_TEMP[3] = { 0x27, 0x26, 0x52 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static u8 SMSC47M192_REG_TEMP_MAX[3] = { 0x39, 0x37, 0x58 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static u8 SMSC47M192_REG_TEMP_MIN[3] = { 0x3A, 0x38, 0x59 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr) == 2 ? 0x1e : 0x1f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define SMSC47M192_REG_ALARM1 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define SMSC47M192_REG_ALARM2 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define SMSC47M192_REG_VID 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define SMSC47M192_REG_VID4 0x49
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define SMSC47M192_REG_CONFIG 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define SMSC47M192_REG_SFR 0x4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define SMSC47M192_REG_COMPANY_ID 0x3e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define SMSC47M192_REG_VERSION 0x3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* generalised scaling with integer rounding */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static inline int SCALE(long val, int mul, int div)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (val < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return (val * mul - div / 2) / div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return (val * mul + div / 2) / div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Conversions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* smsc47m192 internally scales voltage measurements */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static const u16 nom_mv[] = { 2500, 2250, 3300, 5000, 12000, 3300, 1500, 1800 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static inline unsigned int IN_FROM_REG(u8 reg, int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return SCALE(reg, nom_mv[n], 192);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static inline u8 IN_TO_REG(unsigned long val, int n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) val = clamp_val(val, 0, nom_mv[n] * 255 / 192);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return SCALE(val, 192, nom_mv[n]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * TEMP: 0.001 degC units (-128C to +127C)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * REG: 1C/bit, two's complement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static inline s8 TEMP_TO_REG(long val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return SCALE(clamp_val(val, -128000, 127000), 1, 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static inline int TEMP_FROM_REG(s8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) return val * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct smsc47m192_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) const struct attribute_group *groups[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct mutex update_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) char valid; /* !=0 if following fields are valid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) unsigned long last_updated; /* In jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u8 in[8]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 in_max[8]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 in_min[8]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) s8 temp[3]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) s8 temp_max[3]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) s8 temp_min[3]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) s8 temp_offset[3]; /* Register value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u16 alarms; /* Register encoding, combined */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 vid; /* Register encoding, combined */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) u8 vrm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int i, config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) || !data->valid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) dev_dbg(&client->dev, "Starting smsc47m192 update\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) for (i = 0; i <= 7; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) data->in[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) SMSC47M192_REG_IN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) data->in_min[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) SMSC47M192_REG_IN_MIN(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) data->in_max[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) SMSC47M192_REG_IN_MAX(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) data->temp[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) SMSC47M192_REG_TEMP[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) data->temp_max[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) SMSC47M192_REG_TEMP_MAX[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) data->temp_min[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) SMSC47M192_REG_TEMP_MIN[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) for (i = 1; i < 3; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) data->temp_offset[i] = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) SMSC47M192_REG_TEMP_OFFSET(i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * first offset is temp_offset[0] if SFR bit 4 is set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * temp_offset[1] otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (sfr & 0x10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) data->temp_offset[0] = data->temp_offset[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) data->temp_offset[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) data->temp_offset[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) data->vid = i2c_smbus_read_byte_data(client, SMSC47M192_REG_VID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) & 0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) config = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) SMSC47M192_REG_CONFIG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (config & 0x20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) data->vid |= (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) SMSC47M192_REG_VID4) & 0x01) << 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) data->alarms = i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) SMSC47M192_REG_ALARM1) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) SMSC47M192_REG_ALARM2) << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) data->last_updated = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) data->valid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /* Voltages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static ssize_t in_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr));
^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 ssize_t in_min_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static ssize_t in_max_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static ssize_t in_min_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) data->in_min[nr] = IN_TO_REG(val, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MIN(nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) data->in_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static ssize_t in_max_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) data->in_max[nr] = IN_TO_REG(val, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MAX(nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) data->in_max[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static SENSOR_DEVICE_ATTR_RO(in5_input, in, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static SENSOR_DEVICE_ATTR_RO(in6_input, in, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static SENSOR_DEVICE_ATTR_RO(in7_input, in, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) /* Temperatures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static ssize_t temp_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static ssize_t temp_min_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
^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 temp_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static ssize_t temp_min_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct device_attribute *attr, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) data->temp_min[nr] = TEMP_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MIN[nr],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) data->temp_min[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) static ssize_t temp_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct device_attribute *attr, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) data->temp_max[nr] = TEMP_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MAX[nr],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) data->temp_max[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return count;
^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 temp_offset_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) static ssize_t temp_offset_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) err = kstrtol(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) mutex_lock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) data->temp_offset[nr] = TEMP_TO_REG(val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (nr > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) else if (data->temp_offset[nr] != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * offset[0] and offset[1] share the same register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) * SFR bit 4 activates offset[0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) (sfr & 0xef) | (nr == 0 ? 0x10 : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) data->temp_offset[1-nr] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) } else if ((sfr & 0x10) == (nr == 0 ? 0x10 : 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) SMSC47M192_REG_TEMP_OFFSET(nr), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) mutex_unlock(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static SENSOR_DEVICE_ATTR_RW(temp1_offset, temp_offset, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static SENSOR_DEVICE_ATTR_RW(temp2_offset, temp_offset, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static SENSOR_DEVICE_ATTR_RW(temp3_offset, temp_offset, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) /* VID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static ssize_t cpu0_vid_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static DEVICE_ATTR_RO(cpu0_vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static ssize_t vrm_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) return sprintf(buf, "%d\n", data->vrm);
^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 vrm_store(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) struct smsc47m192_data *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) err = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (val > 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) data->vrm = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static DEVICE_ATTR_RW(vrm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) /* Alarms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) static ssize_t alarm_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) int nr = sensor_attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct smsc47m192_data *data = smsc47m192_update_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) return sprintf(buf, "%u\n", (data->alarms & nr) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 0x0010);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 0x0020);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 0x0040);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) static SENSOR_DEVICE_ATTR_RO(temp2_fault, alarm, 0x4000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static SENSOR_DEVICE_ATTR_RO(temp3_fault, alarm, 0x8000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0x0001);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 0x0002);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 0x0004);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 0x0008);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 0x0100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 0x0200);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 0x0400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 0x0800);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) static struct attribute *smsc47m192_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) &sensor_dev_attr_in0_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) &sensor_dev_attr_in0_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) &sensor_dev_attr_in0_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) &sensor_dev_attr_in0_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) &sensor_dev_attr_in1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) &sensor_dev_attr_in1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) &sensor_dev_attr_in1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) &sensor_dev_attr_in1_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) &sensor_dev_attr_in2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) &sensor_dev_attr_in2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) &sensor_dev_attr_in2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) &sensor_dev_attr_in2_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) &sensor_dev_attr_in3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) &sensor_dev_attr_in3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) &sensor_dev_attr_in3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) &sensor_dev_attr_in3_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) &sensor_dev_attr_in5_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) &sensor_dev_attr_in5_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) &sensor_dev_attr_in5_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) &sensor_dev_attr_in5_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) &sensor_dev_attr_in6_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) &sensor_dev_attr_in6_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) &sensor_dev_attr_in6_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) &sensor_dev_attr_in6_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) &sensor_dev_attr_in7_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) &sensor_dev_attr_in7_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) &sensor_dev_attr_in7_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) &sensor_dev_attr_in7_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) &sensor_dev_attr_temp1_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) &sensor_dev_attr_temp1_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) &sensor_dev_attr_temp1_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) &sensor_dev_attr_temp1_offset.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) &sensor_dev_attr_temp1_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) &sensor_dev_attr_temp2_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) &sensor_dev_attr_temp2_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) &sensor_dev_attr_temp2_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) &sensor_dev_attr_temp2_offset.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) &sensor_dev_attr_temp2_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) &sensor_dev_attr_temp2_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) &sensor_dev_attr_temp3_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) &sensor_dev_attr_temp3_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) &sensor_dev_attr_temp3_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) &sensor_dev_attr_temp3_offset.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) &sensor_dev_attr_temp3_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) &sensor_dev_attr_temp3_fault.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) &dev_attr_cpu0_vid.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) &dev_attr_vrm.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) static const struct attribute_group smsc47m192_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) .attrs = smsc47m192_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static struct attribute *smsc47m192_attributes_in4[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) &sensor_dev_attr_in4_input.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) &sensor_dev_attr_in4_min.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) &sensor_dev_attr_in4_max.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) &sensor_dev_attr_in4_alarm.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) static const struct attribute_group smsc47m192_group_in4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) .attrs = smsc47m192_attributes_in4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) static void smsc47m192_init_client(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) u8 config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) /* select cycle mode (pause 1 sec between updates) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) (sfr & 0xfd) | 0x02);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (!(config & 0x01)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) /* initialize alarm limits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) for (i = 0; i < 8; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) SMSC47M192_REG_IN_MIN(i), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) SMSC47M192_REG_IN_MAX(i), 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) SMSC47M192_REG_TEMP_MIN[i], 0x80);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) i2c_smbus_write_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) SMSC47M192_REG_TEMP_MAX[i], 0x7f);
^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) /* start monitoring */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) i2c_smbus_write_byte_data(client, SMSC47M192_REG_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) (config & 0xf7) | 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) /* Return 0 if detection is successful, -ENODEV otherwise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) static int smsc47m192_detect(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) struct i2c_board_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct i2c_adapter *adapter = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) int version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) /* Detection criteria from sensors_detect script */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) version = i2c_smbus_read_byte_data(client, SMSC47M192_REG_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) if (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) SMSC47M192_REG_COMPANY_ID) == 0x55
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) && (version & 0xf0) == 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) && (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) SMSC47M192_REG_VID) & 0x70) == 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) && (i2c_smbus_read_byte_data(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) SMSC47M192_REG_VID4) & 0xfe) == 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) dev_info(&adapter->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) "found SMSC47M192 or compatible, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) "version 2, stepping A%d\n", version & 0x0f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) dev_dbg(&adapter->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) "SMSC47M192 detection failed at 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) client->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) strlcpy(info->type, "smsc47m192", I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) static int smsc47m192_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct smsc47m192_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) int config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) data = devm_kzalloc(dev, sizeof(struct smsc47m192_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) data->vrm = vid_which_vrm();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) mutex_init(&data->update_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) /* Initialize the SMSC47M192 chip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) smsc47m192_init_client(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) /* sysfs hooks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) data->groups[0] = &smsc47m192_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) /* Pin 110 is either in4 (+12V) or VID4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) if (!(config & 0x20))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) data->groups[1] = &smsc47m192_group_in4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) data, data->groups);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return PTR_ERR_OR_ZERO(hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) static const struct i2c_device_id smsc47m192_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) { "smsc47m192", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) MODULE_DEVICE_TABLE(i2c, smsc47m192_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) static struct i2c_driver smsc47m192_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) .class = I2C_CLASS_HWMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) .name = "smsc47m192",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) .probe_new = smsc47m192_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) .id_table = smsc47m192_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) .detect = smsc47m192_detect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) .address_list = normal_i2c,
^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) module_i2c_driver(smsc47m192_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) MODULE_AUTHOR("Hartmut Rick <linux@rick.claranet.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) MODULE_DESCRIPTION("SMSC47M192 driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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