103 строки
2.6 KiB
C
103 строки
2.6 KiB
C
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/*
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* 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips:
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* - BMC150
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* - BMI055
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* - BMA255
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* - BMA250E
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* - BMA222E
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* - BMA280
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*
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* Copyright (c) 2014, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/acpi.h>
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#include <linux/regmap.h>
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#include "bmc150-accel.h"
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static const struct regmap_config bmc150_i2c_regmap_conf = {
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.reg_bits = 8,
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.val_bits = 8,
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};
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static int bmc150_accel_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct regmap *regmap;
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const char *name = NULL;
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bool block_supported =
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i2c_check_functionality(client->adapter, I2C_FUNC_I2C) ||
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i2c_check_functionality(client->adapter,
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I2C_FUNC_SMBUS_READ_I2C_BLOCK);
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regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf);
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if (IS_ERR(regmap)) {
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dev_err(&client->dev, "Failed to initialize i2c regmap\n");
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return PTR_ERR(regmap);
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}
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if (id)
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name = id->name;
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return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name,
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block_supported);
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}
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static int bmc150_accel_remove(struct i2c_client *client)
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{
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return bmc150_accel_core_remove(&client->dev);
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}
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static const struct acpi_device_id bmc150_accel_acpi_match[] = {
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{"BSBA0150", bmc150},
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{"BMC150A", bmc150},
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{"BMI055A", bmi055},
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{"BMA0255", bma255},
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{"BMA250E", bma250e},
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{"BMA222E", bma222e},
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{"BMA0280", bma280},
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{ },
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};
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MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
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static const struct i2c_device_id bmc150_accel_id[] = {
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{"bmc150_accel", bmc150},
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{"bmi055_accel", bmi055},
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{"bma255", bma255},
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{"bma250e", bma250e},
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{"bma222e", bma222e},
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{"bma280", bma280},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, bmc150_accel_id);
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static struct i2c_driver bmc150_accel_driver = {
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.driver = {
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.name = "bmc150_accel_i2c",
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.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
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.pm = &bmc150_accel_pm_ops,
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},
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.probe = bmc150_accel_probe,
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.remove = bmc150_accel_remove,
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.id_table = bmc150_accel_id,
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};
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module_i2c_driver(bmc150_accel_driver);
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MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("BMC150 I2C accelerometer driver");
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