1 // SPDX-License-Identifier: GPL-2.0-only
3 * simone.c -- ASoC audio for Simplemachines Sim.One board
5 * Copyright (c) 2010 Mika Westerberg
7 * Based on snappercl15 machine driver by Ryan Mallon.
10 #include <linux/init.h>
11 #include <linux/module.h>
12 #include <linux/platform_device.h>
13 #include <linux/soc/cirrus/ep93xx.h>
15 #include <sound/core.h>
16 #include <sound/pcm.h>
17 #include <sound/soc.h>
19 #include <asm/mach-types.h>
21 static struct snd_soc_dai_link simone_dai = {
23 .stream_name = "AC97 HiFi",
24 .cpu_dai_name = "ep93xx-ac97",
25 .codec_dai_name = "ac97-hifi",
26 .codec_name = "ac97-codec",
27 .platform_name = "ep93xx-ac97",
30 static struct snd_soc_card snd_soc_simone = {
33 .dai_link = &simone_dai,
37 static struct platform_device *simone_snd_ac97_device;
39 static int simone_probe(struct platform_device *pdev)
41 struct snd_soc_card *card = &snd_soc_simone;
44 simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
46 if (IS_ERR(simone_snd_ac97_device))
47 return PTR_ERR(simone_snd_ac97_device);
49 card->dev = &pdev->dev;
51 ret = snd_soc_register_card(card);
53 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
55 platform_device_unregister(simone_snd_ac97_device);
61 static int simone_remove(struct platform_device *pdev)
63 struct snd_soc_card *card = platform_get_drvdata(pdev);
65 snd_soc_unregister_card(card);
66 platform_device_unregister(simone_snd_ac97_device);
71 static struct platform_driver simone_driver = {
73 .name = "simone-audio",
75 .probe = simone_probe,
76 .remove = simone_remove,
79 module_platform_driver(simone_driver);
81 MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
82 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
83 MODULE_LICENSE("GPL");
84 MODULE_ALIAS("platform:simone-audio");