1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * Copyright 2011-2019 NW Digital Radio
4  *
5  * Author: Annaliese McDermond <nh6z@nh6z.net>
6  *
7  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
8  *
9  */
10 
11 #include <linux/i2c.h>
12 #include <linux/module.h>
13 #include <linux/of.h>
14 #include <linux/regmap.h>
15 #include <sound/soc.h>
16 
17 #include "tlv320aic32x4.h"
18 
19 static const struct of_device_id aic32x4_of_id[];
20 static const struct i2c_device_id aic32x4_i2c_id[];
21 
22 static int aic32x4_i2c_probe(struct i2c_client *i2c)
23 {
24 	struct regmap *regmap;
25 	struct regmap_config config;
26 
27 	config = aic32x4_regmap_config;
28 	config.reg_bits = 8;
29 	config.val_bits = 8;
30 
31 	regmap = devm_regmap_init_i2c(i2c, &config);
32 
33 	if (i2c->dev.of_node) {
34 		const struct of_device_id *oid;
35 
36 		oid = of_match_node(aic32x4_of_id, i2c->dev.of_node);
37 		dev_set_drvdata(&i2c->dev, (void *)oid->data);
38 	} else {
39 		const struct i2c_device_id *id;
40 
41 		id = i2c_match_id(aic32x4_i2c_id, i2c);
42 		dev_set_drvdata(&i2c->dev, (void *)id->driver_data);
43 	}
44 
45 	return aic32x4_probe(&i2c->dev, regmap);
46 }
47 
48 static void aic32x4_i2c_remove(struct i2c_client *i2c)
49 {
50 	aic32x4_remove(&i2c->dev);
51 }
52 
53 static const struct i2c_device_id aic32x4_i2c_id[] = {
54 	{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
55 	{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
56 	{ "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 },
57 	{ /* sentinel */ }
58 };
59 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
60 
61 static const struct of_device_id aic32x4_of_id[] = {
62 	{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
63 	{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
64 	{ .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 },
65 	{ /* senitel */ }
66 };
67 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
68 
69 static struct i2c_driver aic32x4_i2c_driver = {
70 	.driver = {
71 		.name = "tlv320aic32x4",
72 		.of_match_table = aic32x4_of_id,
73 	},
74 	.probe_new = aic32x4_i2c_probe,
75 	.remove =   aic32x4_i2c_remove,
76 	.id_table = aic32x4_i2c_id,
77 };
78 
79 module_i2c_driver(aic32x4_i2c_driver);
80 
81 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
82 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
83 MODULE_LICENSE("GPL");
84