1 #include <linux/module.h>
2 #include <linux/i2c.h>
3 #include <linux/acpi.h>
4 #include <linux/of.h>
5 #include <linux/regmap.h>
6 
7 #include "bmp280.h"
8 
9 static int bmp280_i2c_probe(struct i2c_client *client,
10 			    const struct i2c_device_id *id)
11 {
12 	struct regmap *regmap;
13 	const struct regmap_config *regmap_config;
14 
15 	switch (id->driver_data) {
16 	case BMP180_CHIP_ID:
17 		regmap_config = &bmp180_regmap_config;
18 		break;
19 	case BMP280_CHIP_ID:
20 	case BME280_CHIP_ID:
21 		regmap_config = &bmp280_regmap_config;
22 		break;
23 	default:
24 		return -EINVAL;
25 	}
26 
27 	regmap = devm_regmap_init_i2c(client, regmap_config);
28 	if (IS_ERR(regmap)) {
29 		dev_err(&client->dev, "failed to allocate register map\n");
30 		return PTR_ERR(regmap);
31 	}
32 
33 	return bmp280_common_probe(&client->dev,
34 				   regmap,
35 				   id->driver_data,
36 				   id->name,
37 				   client->irq);
38 }
39 
40 static int bmp280_i2c_remove(struct i2c_client *client)
41 {
42 	return bmp280_common_remove(&client->dev);
43 }
44 
45 static const struct acpi_device_id bmp280_acpi_i2c_match[] = {
46 	{"BMP0280", BMP280_CHIP_ID },
47 	{"BMP0180", BMP180_CHIP_ID },
48 	{"BMP0085", BMP180_CHIP_ID },
49 	{"BME0280", BME280_CHIP_ID },
50 	{ },
51 };
52 MODULE_DEVICE_TABLE(acpi, bmp280_acpi_i2c_match);
53 
54 #ifdef CONFIG_OF
55 static const struct of_device_id bmp280_of_i2c_match[] = {
56 	{ .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
57 	{ .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
58 	{ .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
59 	{ .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
60 	{ },
61 };
62 MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
63 #else
64 #define bmp280_of_i2c_match NULL
65 #endif
66 
67 static const struct i2c_device_id bmp280_i2c_id[] = {
68 	{"bmp280", BMP280_CHIP_ID },
69 	{"bmp180", BMP180_CHIP_ID },
70 	{"bmp085", BMP180_CHIP_ID },
71 	{"bme280", BME280_CHIP_ID },
72 	{ },
73 };
74 MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
75 
76 static struct i2c_driver bmp280_i2c_driver = {
77 	.driver = {
78 		.name	= "bmp280",
79 		.acpi_match_table = ACPI_PTR(bmp280_acpi_i2c_match),
80 		.of_match_table = of_match_ptr(bmp280_of_i2c_match),
81 		.pm = &bmp280_dev_pm_ops,
82 	},
83 	.probe		= bmp280_i2c_probe,
84 	.remove		= bmp280_i2c_remove,
85 	.id_table	= bmp280_i2c_id,
86 };
87 module_i2c_driver(bmp280_i2c_driver);
88 
89 MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
90 MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
91 MODULE_LICENSE("GPL v2");
92