1// SPDX-License-Identifier: GPL-2.0
2//
3// CS35l41 HDA SPI 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/spi/spi.h>
12
13#include "cs35l41_hda.h"
14
15static int cs35l41_hda_spi_probe(struct spi_device *spi)
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(&spi->dev), "CSC3551"))
24		device_name = "CSC3551";
25	else
26		return -ENODEV;
27
28	return cs35l41_hda_probe(&spi->dev, device_name, spi_get_chipselect(spi, 0), spi->irq,
29				 devm_regmap_init_spi(spi, &cs35l41_regmap_spi), SPI);
30}
31
32static void cs35l41_hda_spi_remove(struct spi_device *spi)
33{
34	cs35l41_hda_remove(&spi->dev);
35}
36
37static const struct spi_device_id cs35l41_hda_spi_id[] = {
38	{ "cs35l41-hda", 0 },
39	{}
40};
41
42static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
43	{ "CSC3551", 0 },
44	{}
45};
46MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
47
48static struct spi_driver cs35l41_spi_driver = {
49	.driver = {
50		.name		= "cs35l41-hda",
51		.acpi_match_table = cs35l41_acpi_hda_match,
52		.pm		= &cs35l41_hda_pm_ops,
53	},
54	.id_table	= cs35l41_hda_spi_id,
55	.probe		= cs35l41_hda_spi_probe,
56	.remove		= cs35l41_hda_spi_remove,
57};
58module_spi_driver(cs35l41_spi_driver);
59
60MODULE_DESCRIPTION("HDA CS35L41 driver");
61MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
62MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
63MODULE_LICENSE("GPL");
64