1// SPDX-License-Identifier: GPL-2.0
2//
3// CS35l41 HDA I2C driver
4//
5// Copyright 2021 Cirrus Logic, Inc.
6//
7// Author: Lucas Tanure <tanureal@opensource.cirrus.com>
8
9#include <linux/mod_devicetable.h>
10#include <linux/module.h>
11#include <linux/i2c.h>
12
13#include "cs35l41_hda.h"
14
15static int cs35l41_hda_i2c_probe(struct i2c_client *clt)
16{
17	const char *device_name;
18
19	/*
20	 * Compare against the device name so it works for SPI, normal ACPI
21	 * and for ACPI by serial-multi-instantiate matching cases.
22	 */
23	if (strstr(dev_name(&clt->dev), "CLSA0100"))
24		device_name = "CLSA0100";
25	else if (strstr(dev_name(&clt->dev), "CLSA0101"))
26		device_name = "CLSA0101";
27	else if (strstr(dev_name(&clt->dev), "CSC3551"))
28		device_name = "CSC3551";
29	else
30		return -ENODEV;
31
32	return cs35l41_hda_probe(&clt->dev, device_name, clt->addr, clt->irq,
33				 devm_regmap_init_i2c(clt, &cs35l41_regmap_i2c), I2C);
34}
35
36static void cs35l41_hda_i2c_remove(struct i2c_client *clt)
37{
38	cs35l41_hda_remove(&clt->dev);
39}
40
41static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
42	{ "cs35l41-hda", 0 },
43	{}
44};
45
46static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
47	{"CLSA0100", 0 },
48	{"CLSA0101", 0 },
49	{"CSC3551", 0 },
50	{}
51};
52MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
53
54static struct i2c_driver cs35l41_i2c_driver = {
55	.driver = {
56		.name		= "cs35l41-hda",
57		.acpi_match_table = cs35l41_acpi_hda_match,
58		.pm		= &cs35l41_hda_pm_ops,
59	},
60	.id_table	= cs35l41_hda_i2c_id,
61	.probe		= cs35l41_hda_i2c_probe,
62	.remove		= cs35l41_hda_i2c_remove,
63};
64module_i2c_driver(cs35l41_i2c_driver);
65
66MODULE_DESCRIPTION("HDA CS35L41 driver");
67MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
68MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
69MODULE_LICENSE("GPL");
70