^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) * ADT7410/ADT7420 digital temperature sensor driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2012-2013 Analog Devices Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Author: Lars-Peter Clausen <lars@metafoo.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "adt7x10.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static int adt7410_i2c_read_word(struct device *dev, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) return i2c_smbus_read_word_swapped(to_i2c_client(dev), reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static int adt7410_i2c_write_word(struct device *dev, u8 reg, u16 data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) return i2c_smbus_write_word_swapped(to_i2c_client(dev), reg, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static int adt7410_i2c_read_byte(struct device *dev, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return i2c_smbus_read_byte_data(to_i2c_client(dev), reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static int adt7410_i2c_write_byte(struct device *dev, u8 reg, u8 data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return i2c_smbus_write_byte_data(to_i2c_client(dev), reg, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const struct adt7x10_ops adt7410_i2c_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .read_word = adt7410_i2c_read_word,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .write_word = adt7410_i2c_write_word,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .read_byte = adt7410_i2c_read_byte,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .write_byte = adt7410_i2c_write_byte,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static int adt7410_i2c_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return adt7x10_probe(&client->dev, NULL, client->irq, &adt7410_i2c_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static int adt7410_i2c_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return adt7x10_remove(&client->dev, client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static const struct i2c_device_id adt7410_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) { "adt7410", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) { "adt7420", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) MODULE_DEVICE_TABLE(i2c, adt7410_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static struct i2c_driver adt7410_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .class = I2C_CLASS_HWMON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .name = "adt7410",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .pm = ADT7X10_DEV_PM_OPS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .probe_new = adt7410_i2c_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .remove = adt7410_i2c_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .id_table = adt7410_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .address_list = I2C_ADDRS(0x48, 0x49, 0x4a, 0x4b),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) module_i2c_driver(adt7410_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) MODULE_DESCRIPTION("ADT7410/AD7420 driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) MODULE_LICENSE("GPL");