1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // CS35L56 HDA audio driver I2C binding
4 //
5 // Copyright (C) 2023 Cirrus Logic, Inc. and
6 // Cirrus Logic International Semiconductor Ltd.
7
8 #include <linux/i2c.h>
9 #include <linux/module.h>
10 #include <linux/regmap.h>
11
12 #include "cs35l56_hda.h"
13
cs35l56_hda_i2c_probe(struct i2c_client * clt)14 static int cs35l56_hda_i2c_probe(struct i2c_client *clt)
15 {
16 struct cs35l56_hda *cs35l56;
17 int ret;
18
19 cs35l56 = devm_kzalloc(&clt->dev, sizeof(*cs35l56), GFP_KERNEL);
20 if (!cs35l56)
21 return -ENOMEM;
22
23 cs35l56->base.dev = &clt->dev;
24 cs35l56->base.regmap = devm_regmap_init_i2c(clt, &cs35l56_regmap_i2c);
25 if (IS_ERR(cs35l56->base.regmap)) {
26 ret = PTR_ERR(cs35l56->base.regmap);
27 dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n",
28 ret);
29 return ret;
30 }
31
32 ret = cs35l56_hda_common_probe(cs35l56, clt->addr);
33 if (ret)
34 return ret;
35 ret = cs35l56_irq_request(&cs35l56->base, clt->irq);
36 if (ret < 0)
37 cs35l56_hda_remove(cs35l56->base.dev);
38
39 return ret;
40 }
41
cs35l56_hda_i2c_remove(struct i2c_client * clt)42 static void cs35l56_hda_i2c_remove(struct i2c_client *clt)
43 {
44 cs35l56_hda_remove(&clt->dev);
45 }
46
47 static const struct i2c_device_id cs35l56_hda_i2c_id[] = {
48 { "cs35l56-hda", 0 },
49 {}
50 };
51
52 static const struct acpi_device_id cs35l56_acpi_hda_match[] = {
53 { "CSC3554", 0 },
54 { "CSC3556", 0 },
55 { "CSC3557", 0 },
56 {}
57 };
58 MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match);
59
60 static struct i2c_driver cs35l56_hda_i2c_driver = {
61 .driver = {
62 .name = "cs35l56-hda",
63 .acpi_match_table = cs35l56_acpi_hda_match,
64 .pm = &cs35l56_hda_pm_ops,
65 },
66 .id_table = cs35l56_hda_i2c_id,
67 .probe = cs35l56_hda_i2c_probe,
68 .remove = cs35l56_hda_i2c_remove,
69 };
70 module_i2c_driver(cs35l56_hda_i2c_driver);
71
72 MODULE_DESCRIPTION("HDA CS35L56 I2C driver");
73 MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L56);
74 MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
75 MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
76 MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
77 MODULE_LICENSE("GPL");
78