1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * ad73311.c  --  ALSA Soc AD73311 codec support
4 *
5 * Copyright:	Analog Devices Inc.
6 * Author:	Cliff Cai <cliff.cai@analog.com>
7 */
8
9#include <linux/init.h>
10#include <linux/slab.h>
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/ac97_codec.h>
17#include <sound/initval.h>
18#include <sound/soc.h>
19
20#include "ad73311.h"
21
22static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
23SND_SOC_DAPM_INPUT("VINP"),
24SND_SOC_DAPM_INPUT("VINN"),
25SND_SOC_DAPM_OUTPUT("VOUTN"),
26SND_SOC_DAPM_OUTPUT("VOUTP"),
27};
28
29static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
30	{ "Capture", NULL, "VINP" },
31	{ "Capture", NULL, "VINN" },
32
33	{ "VOUTN", NULL, "Playback" },
34	{ "VOUTP", NULL, "Playback" },
35};
36
37static struct snd_soc_dai_driver ad73311_dai = {
38	.name = "ad73311-hifi",
39	.playback = {
40		.stream_name = "Playback",
41		.channels_min = 1,
42		.channels_max = 1,
43		.rates = SNDRV_PCM_RATE_8000,
44		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
45	.capture = {
46		.stream_name = "Capture",
47		.channels_min = 1,
48		.channels_max = 1,
49		.rates = SNDRV_PCM_RATE_8000,
50		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
51};
52
53static const struct snd_soc_component_driver soc_component_dev_ad73311 = {
54	.dapm_widgets		= ad73311_dapm_widgets,
55	.num_dapm_widgets	= ARRAY_SIZE(ad73311_dapm_widgets),
56	.dapm_routes		= ad73311_dapm_routes,
57	.num_dapm_routes	= ARRAY_SIZE(ad73311_dapm_routes),
58	.idle_bias_on		= 1,
59	.use_pmdown_time	= 1,
60	.endianness		= 1,
61};
62
63static int ad73311_probe(struct platform_device *pdev)
64{
65	return devm_snd_soc_register_component(&pdev->dev,
66			&soc_component_dev_ad73311, &ad73311_dai, 1);
67}
68
69static struct platform_driver ad73311_codec_driver = {
70	.driver = {
71			.name = "ad73311",
72	},
73
74	.probe = ad73311_probe,
75};
76
77module_platform_driver(ad73311_codec_driver);
78
79MODULE_DESCRIPTION("ASoC ad73311 driver");
80MODULE_AUTHOR("Cliff Cai ");
81MODULE_LICENSE("GPL");
82