1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* STMicroelectronics pressures driver
*
* Copyright 2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
*
* Licensed under the GPL-2.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/iio/iio.h>
#include <linux/iio/common/st_sensors.h>
#include <linux/iio/common/st_sensors_i2c.h>
#include "st_pressure.h"
#ifdef CONFIG_OF
static const struct of_device_id st_press_of_match[] = {
{
.compatible = "st,lps001wp-press",
.data = LPS001WP_PRESS_DEV_NAME,
},
{
.compatible = "st,lps25h-press",
.data = LPS25H_PRESS_DEV_NAME,
},
{
.compatible = "st,lps331ap-press",
.data = LPS331AP_PRESS_DEV_NAME,
},
{
.compatible = "st,lps22hb-press",
.data = LPS22HB_PRESS_DEV_NAME,
},
{
.compatible = "st,lps33hw",
.data = LPS33HW_PRESS_DEV_NAME,
},
{
.compatible = "st,lps35hw",
.data = LPS35HW_PRESS_DEV_NAME,
},
{
.compatible = "st,lps22hh",
.data = LPS22HH_PRESS_DEV_NAME,
},
{},
};
MODULE_DEVICE_TABLE(of, st_press_of_match);
#else
#define st_press_of_match NULL
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id st_press_acpi_match[] = {
{"SNO9210", LPS22HB},
{ },
};
MODULE_DEVICE_TABLE(acpi, st_press_acpi_match);
#else
#define st_press_acpi_match NULL
#endif
static const struct i2c_device_id st_press_id_table[] = {
{ LPS001WP_PRESS_DEV_NAME, LPS001WP },
{ LPS25H_PRESS_DEV_NAME, LPS25H },
{ LPS331AP_PRESS_DEV_NAME, LPS331AP },
{ LPS22HB_PRESS_DEV_NAME, LPS22HB },
{ LPS33HW_PRESS_DEV_NAME, LPS33HW },
{ LPS35HW_PRESS_DEV_NAME, LPS35HW },
{ LPS22HH_PRESS_DEV_NAME, LPS22HH },
{},
};
MODULE_DEVICE_TABLE(i2c, st_press_id_table);
static int st_press_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct iio_dev *indio_dev;
struct st_sensor_data *press_data;
int ret;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*press_data));
if (!indio_dev)
return -ENOMEM;
press_data = iio_priv(indio_dev);
if (client->dev.of_node) {
st_sensors_of_name_probe(&client->dev, st_press_of_match,
client->name, sizeof(client->name));
} else if (ACPI_HANDLE(&client->dev)) {
ret = st_sensors_match_acpi_device(&client->dev);
if ((ret < 0) || (ret >= ST_PRESS_MAX))
return -ENODEV;
strlcpy(client->name, st_press_id_table[ret].name,
sizeof(client->name));
} else if (!id)
return -ENODEV;
st_sensors_i2c_configure(indio_dev, client, press_data);
ret = st_press_common_probe(indio_dev);
if (ret < 0)
return ret;
return 0;
}
static int st_press_i2c_remove(struct i2c_client *client)
{
st_press_common_remove(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver st_press_driver = {
.driver = {
.name = "st-press-i2c",
.of_match_table = of_match_ptr(st_press_of_match),
.acpi_match_table = ACPI_PTR(st_press_acpi_match),
},
.probe = st_press_i2c_probe,
.remove = st_press_i2c_remove,
.id_table = st_press_id_table,
};
module_i2c_driver(st_press_driver);
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics pressures i2c driver");
MODULE_LICENSE("GPL v2");
|
