1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * simone.c -- ASoC audio for Simplemachines Sim.One board
 4 *
 5 * Copyright (c) 2010 Mika Westerberg
 6 *
 7 * Based on snappercl15 machine driver by Ryan Mallon.
 8 */
 9
10#include <linux/init.h>
11#include <linux/module.h>
12#include <linux/platform_device.h>
13#include <linux/soc/cirrus/ep93xx.h>
14
15#include <sound/core.h>
16#include <sound/pcm.h>
17#include <sound/soc.h>
18
19#include <asm/mach-types.h>
20
21SND_SOC_DAILINK_DEFS(hifi,
22	DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-ac97")),
23	DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
24	DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-ac97")));
25
26static struct snd_soc_dai_link simone_dai = {
27	.name		= "AC97",
28	.stream_name	= "AC97 HiFi",
29	SND_SOC_DAILINK_REG(hifi),
30};
31
32static struct snd_soc_card snd_soc_simone = {
33	.name		= "Sim.One",
34	.owner		= THIS_MODULE,
35	.dai_link	= &simone_dai,
36	.num_links	= 1,
37};
38
39static struct platform_device *simone_snd_ac97_device;
40
41static int simone_probe(struct platform_device *pdev)
42{
43	struct snd_soc_card *card = &snd_soc_simone;
44	int ret;
45
46	simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
47								 -1, NULL, 0);
48	if (IS_ERR(simone_snd_ac97_device))
49		return PTR_ERR(simone_snd_ac97_device);
50
51	card->dev = &pdev->dev;
52
53	ret = snd_soc_register_card(card);
54	if (ret) {
55		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
56			ret);
57		platform_device_unregister(simone_snd_ac97_device);
58	}
59
60	return ret;
61}
62
63static int simone_remove(struct platform_device *pdev)
64{
65	struct snd_soc_card *card = platform_get_drvdata(pdev);
66
67	snd_soc_unregister_card(card);
68	platform_device_unregister(simone_snd_ac97_device);
69
70	return 0;
71}
72
73static struct platform_driver simone_driver = {
74	.driver		= {
75		.name	= "simone-audio",
76	},
77	.probe		= simone_probe,
78	.remove		= simone_remove,
79};
80
81module_platform_driver(simone_driver);
82
83MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
84MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
85MODULE_LICENSE("GPL");
86MODULE_ALIAS("platform:simone-audio");