2 * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode
4 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
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.
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 <sound/soc-dapm.h>
21 #include <asm/mach-types.h>
23 static struct snd_soc_card imx_phycore;
25 static struct snd_soc_ops imx_phycore_hifi_ops = {
28 static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
31 .stream_name = "HiFi",
32 .codec_dai_name = "wm9712-hifi",
33 .codec_name = "wm9712-codec",
34 .cpu_dai_name = "imx-ssi.0",
35 .platform_name = "imx-fiq-pcm-audio.0",
36 .ops = &imx_phycore_hifi_ops,
40 static struct snd_soc_card imx_phycore = {
41 .name = "PhyCORE-ac97-audio",
42 .dai_link = imx_phycore_dai_ac97,
43 .num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
46 static struct platform_device *imx_phycore_snd_ac97_device;
47 static struct platform_device *imx_phycore_snd_device;
49 static int __init imx_phycore_init(void)
53 if (!machine_is_pcm043() && !machine_is_pca100())
54 /* return happy. We might run on a totally different machine */
57 imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
58 if (!imx_phycore_snd_ac97_device)
61 platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
62 ret = platform_device_add(imx_phycore_snd_ac97_device);
66 imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
67 if (!imx_phycore_snd_device) {
71 ret = platform_device_add(imx_phycore_snd_device);
74 printk(KERN_ERR "ASoC: Platform device allocation failed\n");
81 platform_device_put(imx_phycore_snd_device);
83 platform_device_del(imx_phycore_snd_ac97_device);
85 platform_device_put(imx_phycore_snd_ac97_device);
89 static void __exit imx_phycore_exit(void)
91 platform_device_unregister(imx_phycore_snd_device);
92 platform_device_unregister(imx_phycore_snd_ac97_device);
95 late_initcall(imx_phycore_init);
96 module_exit(imx_phycore_exit);
98 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
99 MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
100 MODULE_LICENSE("GPL");