2 * simone.c -- ASoC audio for Simplemachines Sim.One board
4 * Copyright (c) 2010 Mika Westerberg
6 * Based on snappercl15 machine driver by Ryan Mallon.
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.
13 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/soc.h>
21 #include <asm/mach-types.h>
22 #include <mach/hardware.h>
24 #include "ep93xx-pcm.h"
26 static struct snd_soc_dai_link simone_dai = {
28 .stream_name = "AC97 HiFi",
29 .cpu_dai_name = "ep93xx-ac97",
30 .codec_dai_name = "ac97-hifi",
31 .codec_name = "ac97-codec",
32 .platform_name = "ep93xx-pcm-audio",
35 static struct snd_soc_card snd_soc_simone = {
37 .dai_link = &simone_dai,
41 static struct platform_device *simone_snd_ac97_device;
43 static int __devinit simone_probe(struct platform_device *pdev)
45 struct snd_soc_card *card = &snd_soc_simone;
48 simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
50 if (IS_ERR(simone_snd_ac97_device))
51 return PTR_ERR(simone_snd_ac97_device);
53 card->dev = &pdev->dev;
55 ret = snd_soc_register_card(card);
57 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
59 platform_device_unregister(simone_snd_ac97_device);
65 static int __devexit simone_remove(struct platform_device *pdev)
67 struct snd_soc_card *card = platform_get_drvdata(pdev);
69 snd_soc_unregister_card(card);
70 platform_device_unregister(simone_snd_ac97_device);
75 static struct platform_driver simone_driver = {
77 .name = "simone-audio",
80 .probe = simone_probe,
81 .remove = __devexit_p(simone_remove),
84 static int __init simone_init(void)
86 return platform_driver_register(&simone_driver);
88 module_init(simone_init);
90 static void __exit simone_exit(void)
92 platform_driver_unregister(&simone_driver);
94 module_exit(simone_exit);
96 MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
97 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
98 MODULE_LICENSE("GPL");
99 MODULE_ALIAS("platform:simone-audio");