projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 55637c38 MP |
1 | /* |
| 2 | * 3-axis accelerometer driver supporting following I2C Bosch-Sensortec chips: | |
| 3 | * - BMC150 | |
| 4 | * - BMI055 | |
| 5 | * - BMA255 | |
| 6 | * - BMA250E | |
| 7 | * - BMA222E | |
| 8 | * - BMA280 | |
| 9 | * | |
| 10 | * Copyright (c) 2014, Intel Corporation. | |
| 11 | * | |
| 12 | * This program is free software; you can redistribute it and/or modify it | |
| 13 | * under the terms and conditions of the GNU General Public License, | |
| 14 | * version 2, as published by the Free Software Foundation. | |
| 15 | * | |
| 16 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 19 | * more details. | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/device.h> | |
| 23 | #include <linux/mod_devicetable.h> | |
| 24 | #include <linux/i2c.h> | |
| 25 | #include <linux/module.h> | |
| 26 | #include <linux/acpi.h> | |
| 27 | #include <linux/regmap.h> | |
| 28 | ||
| 29 | #include "bmc150-accel.h" | |
| 30 | ||
| 31 | static const struct regmap_config bmc150_i2c_regmap_conf = { | |
| 32 | .reg_bits = 8, | |
| 33 | .val_bits = 8, | |
| 34 | }; | |
| 35 | ||
| 36 | static int bmc150_accel_probe(struct i2c_client *client, | |
| 37 | const struct i2c_device_id *id) | |
| 38 | { | |
| 39 | struct regmap *regmap; | |
| 40 | const char *name = NULL; | |
| 41 | bool block_supported = | |
| 42 | i2c_check_functionality(client->adapter, I2C_FUNC_I2C) || | |
| 43 | i2c_check_functionality(client->adapter, | |
| 44 | I2C_FUNC_SMBUS_READ_I2C_BLOCK); | |
| 45 | ||
| 46 | regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf); | |
| 47 | if (IS_ERR(regmap)) { | |
| 48 | dev_err(&client->dev, "Failed to initialize i2c regmap\n"); | |
| 49 | return PTR_ERR(regmap); | |
| 50 | } | |
| 51 | ||
| 52 | if (id) | |
| 53 | name = id->name; | |
| 54 | ||
| 55 | return bmc150_accel_core_probe(&client->dev, regmap, client->irq, name, | |
| 56 | block_supported); | |
| 57 | } | |
| 58 | ||
| 59 | static int bmc150_accel_remove(struct i2c_client *client) | |
| 60 | { | |
| 61 | return bmc150_accel_core_remove(&client->dev); | |
| 62 | } | |
| 63 | ||
| 64 | static const struct acpi_device_id bmc150_accel_acpi_match[] = { | |
| 65 | {"BSBA0150", bmc150}, | |
| 66 | {"BMC150A", bmc150}, | |
| 67 | {"BMI055A", bmi055}, | |
| 68 | {"BMA0255", bma255}, | |
| 69 | {"BMA250E", bma250e}, | |
| 70 | {"BMA222E", bma222e}, | |
| 71 | {"BMA0280", bma280}, | |
| 72 | { }, | |
| 73 | }; | |
| 74 | MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match); | |
| 75 | ||
| 76 | static const struct i2c_device_id bmc150_accel_id[] = { | |
| 77 | {"bmc150_accel", bmc150}, | |
| 78 | {"bmi055_accel", bmi055}, | |
| 79 | {"bma255", bma255}, | |
| 80 | {"bma250e", bma250e}, | |
| 81 | {"bma222e", bma222e}, | |
| 82 | {"bma280", bma280}, | |
| 83 | {} | |
| 84 | }; | |
| 85 | ||
| 86 | MODULE_DEVICE_TABLE(i2c, bmc150_accel_id); | |
| 87 | ||
| 88 | static struct i2c_driver bmc150_accel_driver = { | |
| 89 | .driver = { | |
| 90 | .name = "bmc150_accel_i2c", | |
| 91 | .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match), | |
| 92 | .pm = &bmc150_accel_pm_ops, | |
| 93 | }, | |
| 94 | .probe = bmc150_accel_probe, | |
| 95 | .remove = bmc150_accel_remove, | |
| 96 | .id_table = bmc150_accel_id, | |
| 97 | }; | |
| 98 | module_i2c_driver(bmc150_accel_driver); | |
| 99 | ||
| 100 | MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>"); | |
| 101 | MODULE_LICENSE("GPL v2"); | |
| 102 | MODULE_DESCRIPTION("BMC150 I2C accelerometer driver"); |