1/*
 2 * phycore-ac97.c  --  SoC audio for imx_phycore in AC97 mode
 3 *
 4 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
 5 *
 6 *  This program is free software; you can redistribute  it and/or modify it
 7 *  under  the terms of  the GNU General  Public License as published by the
 8 *  Free Software Foundation;  either version 2 of the  License, or (at your
 9 *  option) any later version.
10 *
11 */
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/device.h>
16#include <linux/i2c.h>
17#include <sound/core.h>
18#include <sound/pcm.h>
19#include <sound/soc.h>
20#include <asm/mach-types.h>
21
22static struct snd_soc_card imx_phycore;
23
24static struct snd_soc_ops imx_phycore_hifi_ops = {
25};
26
27static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
28	{
29		.name		= "HiFi",
30		.stream_name	= "HiFi",
31		.codec_dai_name		= "wm9712-hifi",
32		.codec_name	= "wm9712-codec",
33		.cpu_dai_name	= "imx-ssi.0",
34		.platform_name	= "imx-fiq-pcm-audio.0",
35		.ops		= &imx_phycore_hifi_ops,
36	},
37};
38
39static struct snd_soc_card imx_phycore = {
40	.name		= "PhyCORE-ac97-audio",
41	.dai_link	= imx_phycore_dai_ac97,
42	.num_links	= ARRAY_SIZE(imx_phycore_dai_ac97),
43};
44
45static struct platform_device *imx_phycore_snd_ac97_device;
46static struct platform_device *imx_phycore_snd_device;
47
48static int __init imx_phycore_init(void)
49{
50	int ret;
51
52	if (!machine_is_pcm043() && !machine_is_pca100())
53		/* return happy. We might run on a totally different machine */
54		return 0;
55
56	imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
57	if (!imx_phycore_snd_ac97_device)
58		return -ENOMEM;
59
60	platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
61	ret = platform_device_add(imx_phycore_snd_ac97_device);
62	if (ret)
63		goto fail1;
64
65	imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
66	if (!imx_phycore_snd_device) {
67		ret = -ENOMEM;
68		goto fail2;
69	}
70	ret = platform_device_add(imx_phycore_snd_device);
71
72	if (ret) {
73		printk(KERN_ERR "ASoC: Platform device allocation failed\n");
74		goto fail3;
75	}
76
77	return 0;
78
79fail3:
80	platform_device_put(imx_phycore_snd_device);
81fail2:
82	platform_device_del(imx_phycore_snd_ac97_device);
83fail1:
84	platform_device_put(imx_phycore_snd_ac97_device);
85	return ret;
86}
87
88static void __exit imx_phycore_exit(void)
89{
90	platform_device_unregister(imx_phycore_snd_device);
91	platform_device_unregister(imx_phycore_snd_ac97_device);
92}
93
94late_initcall(imx_phycore_init);
95module_exit(imx_phycore_exit);
96
97MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
98MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
99MODULE_LICENSE("GPL");