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10#include <linux/kernel.h>
11#include <linux/module.h>
12#include <linux/mod_devicetable.h>
13#include <linux/acpi.h>
14#include <linux/i2c.h>
15#include <linux/iio/iio.h>
16
17#include <linux/iio/common/st_sensors_i2c.h>
18#include "st_accel.h"
19
20static const struct of_device_id st_accel_of_match[] = {
21 {
22
23 .compatible = "st,lis3lv02d",
24 .data = LIS3LV02DL_ACCEL_DEV_NAME,
25 },
26 {
27 .compatible = "st,lis3lv02dl-accel",
28 .data = LIS3LV02DL_ACCEL_DEV_NAME,
29 },
30 {
31 .compatible = "st,lsm303dlh-accel",
32 .data = LSM303DLH_ACCEL_DEV_NAME,
33 },
34 {
35 .compatible = "st,lsm303dlhc-accel",
36 .data = LSM303DLHC_ACCEL_DEV_NAME,
37 },
38 {
39 .compatible = "st,lis3dh-accel",
40 .data = LIS3DH_ACCEL_DEV_NAME,
41 },
42 {
43 .compatible = "st,lsm330d-accel",
44 .data = LSM330D_ACCEL_DEV_NAME,
45 },
46 {
47 .compatible = "st,lsm330dl-accel",
48 .data = LSM330DL_ACCEL_DEV_NAME,
49 },
50 {
51 .compatible = "st,lsm330dlc-accel",
52 .data = LSM330DLC_ACCEL_DEV_NAME,
53 },
54 {
55 .compatible = "st,lis331dl-accel",
56 .data = LIS331DL_ACCEL_DEV_NAME,
57 },
58 {
59 .compatible = "st,lis331dlh-accel",
60 .data = LIS331DLH_ACCEL_DEV_NAME,
61 },
62 {
63 .compatible = "st,lsm303dl-accel",
64 .data = LSM303DL_ACCEL_DEV_NAME,
65 },
66 {
67 .compatible = "st,lsm303dlm-accel",
68 .data = LSM303DLM_ACCEL_DEV_NAME,
69 },
70 {
71 .compatible = "st,lsm330-accel",
72 .data = LSM330_ACCEL_DEV_NAME,
73 },
74 {
75 .compatible = "st,lsm303agr-accel",
76 .data = LSM303AGR_ACCEL_DEV_NAME,
77 },
78 {
79 .compatible = "st,lis2dh12-accel",
80 .data = LIS2DH12_ACCEL_DEV_NAME,
81 },
82 {
83 .compatible = "st,h3lis331dl-accel",
84 .data = H3LIS331DL_ACCEL_DEV_NAME,
85 },
86 {
87 .compatible = "st,lis3l02dq",
88 .data = LIS3L02DQ_ACCEL_DEV_NAME,
89 },
90 {
91 .compatible = "st,lng2dm-accel",
92 .data = LNG2DM_ACCEL_DEV_NAME,
93 },
94 {
95 .compatible = "st,lis2dw12",
96 .data = LIS2DW12_ACCEL_DEV_NAME,
97 },
98 {
99 .compatible = "st,lis3de",
100 .data = LIS3DE_ACCEL_DEV_NAME,
101 },
102 {
103 .compatible = "st,lis2de12",
104 .data = LIS2DE12_ACCEL_DEV_NAME,
105 },
106 {
107 .compatible = "st,lis2hh12",
108 .data = LIS2HH12_ACCEL_DEV_NAME,
109 },
110 {},
111};
112MODULE_DEVICE_TABLE(of, st_accel_of_match);
113
114#ifdef CONFIG_ACPI
115static const struct acpi_device_id st_accel_acpi_match[] = {
116 {"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME},
117 {"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
118 { },
119};
120MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
121#endif
122
123static const struct i2c_device_id st_accel_id_table[] = {
124 { LSM303DLH_ACCEL_DEV_NAME },
125 { LSM303DLHC_ACCEL_DEV_NAME },
126 { LIS3DH_ACCEL_DEV_NAME },
127 { LSM330D_ACCEL_DEV_NAME },
128 { LSM330DL_ACCEL_DEV_NAME },
129 { LSM330DLC_ACCEL_DEV_NAME },
130 { LIS331DLH_ACCEL_DEV_NAME },
131 { LSM303DL_ACCEL_DEV_NAME },
132 { LSM303DLM_ACCEL_DEV_NAME },
133 { LSM330_ACCEL_DEV_NAME },
134 { LSM303AGR_ACCEL_DEV_NAME },
135 { LIS2DH12_ACCEL_DEV_NAME },
136 { LIS3L02DQ_ACCEL_DEV_NAME },
137 { LNG2DM_ACCEL_DEV_NAME },
138 { H3LIS331DL_ACCEL_DEV_NAME },
139 { LIS331DL_ACCEL_DEV_NAME },
140 { LIS3LV02DL_ACCEL_DEV_NAME },
141 { LIS2DW12_ACCEL_DEV_NAME },
142 { LIS3DE_ACCEL_DEV_NAME },
143 { LIS2DE12_ACCEL_DEV_NAME },
144 { LIS2HH12_ACCEL_DEV_NAME },
145 {},
146};
147MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
148
149static int st_accel_i2c_probe(struct i2c_client *client)
150{
151 const struct st_sensor_settings *settings;
152 struct st_sensor_data *adata;
153 struct iio_dev *indio_dev;
154 int ret;
155
156 st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name));
157
158 settings = st_accel_get_settings(client->name);
159 if (!settings) {
160 dev_err(&client->dev, "device name %s not recognized.\n",
161 client->name);
162 return -ENODEV;
163 }
164
165 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
166 if (!indio_dev)
167 return -ENOMEM;
168
169 adata = iio_priv(indio_dev);
170 adata->sensor_settings = (struct st_sensor_settings *)settings;
171
172 ret = st_sensors_i2c_configure(indio_dev, client);
173 if (ret < 0)
174 return ret;
175
176 ret = st_sensors_power_enable(indio_dev);
177 if (ret)
178 return ret;
179
180 ret = st_accel_common_probe(indio_dev);
181 if (ret < 0)
182 goto st_accel_power_off;
183
184 return 0;
185
186st_accel_power_off:
187 st_sensors_power_disable(indio_dev);
188
189 return ret;
190}
191
192static int st_accel_i2c_remove(struct i2c_client *client)
193{
194 struct iio_dev *indio_dev = i2c_get_clientdata(client);
195
196 st_sensors_power_disable(indio_dev);
197
198 st_accel_common_remove(indio_dev);
199
200 return 0;
201}
202
203static struct i2c_driver st_accel_driver = {
204 .driver = {
205 .name = "st-accel-i2c",
206 .of_match_table = st_accel_of_match,
207 .acpi_match_table = ACPI_PTR(st_accel_acpi_match),
208 },
209 .probe_new = st_accel_i2c_probe,
210 .remove = st_accel_i2c_remove,
211 .id_table = st_accel_id_table,
212};
213module_i2c_driver(st_accel_driver);
214
215MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
216MODULE_DESCRIPTION("STMicroelectronics accelerometers i2c driver");
217MODULE_LICENSE("GPL v2");
218
