1/*
2 * simone.c -- ASoC audio for Simplemachines Sim.One board
3 *
4 * Copyright (c) 2010 Mika Westerberg
5 *
6 * Based on snappercl15 machine driver by Ryan Mallon.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/init.h>
14#include <linux/module.h>
15#include <linux/platform_device.h>
16
17#include <sound/core.h>
18#include <sound/pcm.h>
19#include <sound/soc.h>
20
21#include <asm/mach-types.h>
22#include <mach/hardware.h>
23
24static struct snd_soc_dai_link simone_dai = {
25	.name		= "AC97",
26	.stream_name	= "AC97 HiFi",
27	.cpu_dai_name	= "ep93xx-ac97",
28	.codec_dai_name	= "ac97-hifi",
29	.codec_name	= "ac97-codec",
30	.platform_name	= "ep93xx-ac97",
31};
32
33static struct snd_soc_card snd_soc_simone = {
34	.name		= "Sim.One",
35	.owner		= THIS_MODULE,
36	.dai_link	= &simone_dai,
37	.num_links	= 1,
38};
39
40static struct platform_device *simone_snd_ac97_device;
41
42static int simone_probe(struct platform_device *pdev)
43{
44	struct snd_soc_card *card = &snd_soc_simone;
45	int ret;
46
47	simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
48								 -1, NULL, 0);
49	if (IS_ERR(simone_snd_ac97_device))
50		return PTR_ERR(simone_snd_ac97_device);
51
52	card->dev = &pdev->dev;
53
54	ret = snd_soc_register_card(card);
55	if (ret) {
56		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
57			ret);
58		platform_device_unregister(simone_snd_ac97_device);
59	}
60
61	return ret;
62}
63
64static int simone_remove(struct platform_device *pdev)
65{
66	struct snd_soc_card *card = platform_get_drvdata(pdev);
67
68	snd_soc_unregister_card(card);
69	platform_device_unregister(simone_snd_ac97_device);
70
71	return 0;
72}
73
74static struct platform_driver simone_driver = {
75	.driver		= {
76		.name	= "simone-audio",
77	},
78	.probe		= simone_probe,
79	.remove		= simone_remove,
80};
81
82module_platform_driver(simone_driver);
83
84MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
85MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
86MODULE_LICENSE("GPL");
87MODULE_ALIAS("platform:simone-audio");
88