1/*
2 * ADT7410/ADT7420 digital temperature sensor driver
3 *
4 * Copyright 2012-2013 Analog Devices Inc.
5 * Author: Lars-Peter Clausen <lars@metafoo.de>
6 *
7 * Licensed under the GPL-2 or later.
8 */
9
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/i2c.h>
13
14#include "adt7x10.h"
15
16static int adt7410_i2c_read_word(struct device *dev, u8 reg)
17{
18 return i2c_smbus_read_word_swapped(to_i2c_client(dev), reg);
19}
20
21static int adt7410_i2c_write_word(struct device *dev, u8 reg, u16 data)
22{
23 return i2c_smbus_write_word_swapped(to_i2c_client(dev), reg, data);
24}
25
26static int adt7410_i2c_read_byte(struct device *dev, u8 reg)
27{
28 return i2c_smbus_read_byte_data(to_i2c_client(dev), reg);
29}
30
31static int adt7410_i2c_write_byte(struct device *dev, u8 reg, u8 data)
32{
33 return i2c_smbus_write_byte_data(to_i2c_client(dev), reg, data);
34}
35
36static const struct adt7x10_ops adt7410_i2c_ops = {
37 .read_word = adt7410_i2c_read_word,
38 .write_word = adt7410_i2c_write_word,
39 .read_byte = adt7410_i2c_read_byte,
40 .write_byte = adt7410_i2c_write_byte,
41};
42
43static int adt7410_i2c_probe(struct i2c_client *client,
44 const struct i2c_device_id *id)
45{
46 if (!i2c_check_functionality(client->adapter,
47 I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
48 return -ENODEV;
49
50 return adt7x10_probe(&client->dev, NULL, client->irq, &adt7410_i2c_ops);
51}
52
53static int adt7410_i2c_remove(struct i2c_client *client)
54{
55 return adt7x10_remove(&client->dev, client->irq);
56}
57
58static const struct i2c_device_id adt7410_ids[] = {
59 { "adt7410", 0 },
60 { "adt7420", 0 },
61 {}
62};
63MODULE_DEVICE_TABLE(i2c, adt7410_ids);
64
65static struct i2c_driver adt7410_driver = {
66 .class = I2C_CLASS_HWMON,
67 .driver = {
68 .name = "adt7410",
69 .pm = ADT7X10_DEV_PM_OPS,
70 },
71 .probe = adt7410_i2c_probe,
72 .remove = adt7410_i2c_remove,
73 .id_table = adt7410_ids,
74 .address_list = I2C_ADDRS(0x48, 0x49, 0x4a, 0x4b),
75};
76module_i2c_driver(adt7410_driver);
77
78MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
79MODULE_DESCRIPTION("ADT7410/AD7420 driver");
80MODULE_LICENSE("GPL");
81