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/spi/spi.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
19static const struct of_device_id aic32x4_of_id[];
20
21static int aic32x4_spi_probe(struct spi_device *spi)
22{
23	struct regmap *regmap;
24	struct regmap_config config;
25
26	config = aic32x4_regmap_config;
27	config.reg_bits = 7;
28	config.pad_bits = 1;
29	config.val_bits = 8;
30	config.read_flag_mask = 0x01;
31
32	regmap = devm_regmap_init_spi(spi, &config);
33
34	if (spi->dev.of_node) {
35		const struct of_device_id *oid;
36
37		oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
38		dev_set_drvdata(&spi->dev, (void *)oid->data);
39	} else {
40		const struct spi_device_id *id_entry;
41
42		id_entry = spi_get_device_id(spi);
43		dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
44	}
45
46	return aic32x4_probe(&spi->dev, regmap);
47}
48
49static void aic32x4_spi_remove(struct spi_device *spi)
50{
51	aic32x4_remove(&spi->dev);
52}
53
54static const struct spi_device_id aic32x4_spi_id[] = {
55	{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
56	{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
57	{ /* sentinel */ }
58};
59MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
60
61static 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	{ /* senitel */ }
65};
66MODULE_DEVICE_TABLE(of, aic32x4_of_id);
67
68static struct spi_driver aic32x4_spi_driver = {
69	.driver = {
70		.name = "tlv320aic32x4",
71		.owner = THIS_MODULE,
72		.of_match_table = aic32x4_of_id,
73	},
74	.probe =    aic32x4_spi_probe,
75	.remove =   aic32x4_spi_remove,
76	.id_table = aic32x4_spi_id,
77};
78
79module_spi_driver(aic32x4_spi_driver);
80
81MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
82MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
83MODULE_LICENSE("GPL");
84