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15#include <linux/device.h>
16#include <linux/mod_devicetable.h>
17#include <linux/i2c.h>
18#include <linux/module.h>
19#include <linux/acpi.h>
20#include <linux/regmap.h>
21
22#include "bmc150-accel.h"
23
24static int bmc150_accel_probe(struct i2c_client *client,
25 const struct i2c_device_id *id)
26{
27 struct regmap *regmap;
28 const char *name = NULL;
29 bool block_supported =
30 i2c_check_functionality(client->adapter, I2C_FUNC_I2C) ||
31 i2c_check_functionality(client->adapter,
32 I2C_FUNC_SMBUS_READ_I2C_BLOCK);
33 struct acpi_device __maybe_unused *adev;
34 int ret;
35
36 regmap = devm_regmap_init_i2c(client, &bmc150_regmap_conf);
37 if (IS_ERR(regmap)) {
38 dev_err(&client->dev, "Failed to initialize i2c regmap\n");
39 return PTR_ERR(regmap);
40 }
41
42 if (id)
43 name = id->name;
44
45 ret = bmc150_accel_core_probe(&client->dev, regmap, client->irq, name, block_supported);
46 if (ret)
47 return ret;
48
49
50
51
52
53
54
55#ifdef CONFIG_ACPI
56 adev = ACPI_COMPANION(&client->dev);
57 if (!id && adev && strcmp(acpi_device_hid(adev), "BOSC0200") == 0) {
58 struct i2c_board_info board_info = {
59 .type = "bmc150_accel",
60
61
62
63
64
65 .dev_name = "BOSC0200:base",
66 .fwnode = client->dev.fwnode,
67 .irq = -ENOENT,
68 };
69 struct i2c_client *second_dev;
70
71 second_dev = i2c_acpi_new_device(&client->dev, 1, &board_info);
72 if (!IS_ERR(second_dev))
73 bmc150_set_second_device(second_dev);
74 }
75#endif
76
77 return 0;
78}
79
80static int bmc150_accel_remove(struct i2c_client *client)
81{
82 struct i2c_client *second_dev = bmc150_get_second_device(client);
83
84 i2c_unregister_device(second_dev);
85
86 return bmc150_accel_core_remove(&client->dev);
87}
88
89static const struct acpi_device_id bmc150_accel_acpi_match[] = {
90 {"BSBA0150", bmc150},
91 {"BMC150A", bmc150},
92 {"BMI055A", bmi055},
93 {"BMA0255", bma255},
94 {"BMA250E", bma250e},
95 {"BMA222", bma222},
96 {"BMA222E", bma222e},
97 {"BMA0280", bma280},
98 {"BOSC0200"},
99 { },
100};
101MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
102
103static const struct i2c_device_id bmc150_accel_id[] = {
104 {"bmc150_accel", bmc150},
105 {"bmi055_accel", bmi055},
106 {"bma255", bma255},
107 {"bma250e", bma250e},
108 {"bma222", bma222},
109 {"bma222e", bma222e},
110 {"bma280", bma280},
111 {}
112};
113
114MODULE_DEVICE_TABLE(i2c, bmc150_accel_id);
115
116static const struct of_device_id bmc150_accel_of_match[] = {
117 { .compatible = "bosch,bmc150_accel" },
118 { .compatible = "bosch,bmi055_accel" },
119 { .compatible = "bosch,bma255" },
120 { .compatible = "bosch,bma250e" },
121 { .compatible = "bosch,bma222" },
122 { .compatible = "bosch,bma222e" },
123 { .compatible = "bosch,bma280" },
124 { },
125};
126MODULE_DEVICE_TABLE(of, bmc150_accel_of_match);
127
128static struct i2c_driver bmc150_accel_driver = {
129 .driver = {
130 .name = "bmc150_accel_i2c",
131 .of_match_table = bmc150_accel_of_match,
132 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
133 .pm = &bmc150_accel_pm_ops,
134 },
135 .probe = bmc150_accel_probe,
136 .remove = bmc150_accel_remove,
137 .id_table = bmc150_accel_id,
138};
139module_i2c_driver(bmc150_accel_driver);
140
141MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
142MODULE_LICENSE("GPL v2");
143MODULE_DESCRIPTION("BMC150 I2C accelerometer driver");
144