aboutsummaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/imx/Makefile2
-rw-r--r--sound/soc/imx/phycore-ac97.c90
2 files changed, 92 insertions, 0 deletions
diff --git a/sound/soc/imx/Makefile b/sound/soc/imx/Makefile
index d05cc95c5cc4..9f8bb92ddfcc 100644
--- a/sound/soc/imx/Makefile
+++ b/sound/soc/imx/Makefile
@@ -8,3 +8,5 @@ endif
8obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o 8obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
9 9
10# i.MX Machine Support 10# i.MX Machine Support
11snd-soc-phycore-ac97-objs := phycore-ac97.o
12obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
new file mode 100644
index 000000000000..a8307d55c70e
--- /dev/null
+++ b/sound/soc/imx/phycore-ac97.c
@@ -0,0 +1,90 @@
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 <sound/soc-dapm.h>
21#include <asm/mach-types.h>
22
23#include "../codecs/wm9712.h"
24#include "imx-ssi.h"
25
26static struct snd_soc_card imx_phycore;
27
28static struct snd_soc_ops imx_phycore_hifi_ops = {
29};
30
31static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
32 {
33 .name = "HiFi",
34 .stream_name = "HiFi",
35 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
36 .ops = &imx_phycore_hifi_ops,
37 },
38};
39
40static struct snd_soc_card imx_phycore = {
41 .name = "PhyCORE-audio",
42 .platform = &imx_soc_platform,
43 .dai_link = imx_phycore_dai_ac97,
44 .num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
45};
46
47static struct snd_soc_device imx_phycore_snd_devdata = {
48 .card = &imx_phycore,
49 .codec_dev = &soc_codec_dev_wm9712,
50};
51
52static struct platform_device *imx_phycore_snd_device;
53
54static int __init imx_phycore_init(void)
55{
56 int ret;
57
58 if (!machine_is_pcm043() && !machine_is_pca100())
59 /* return happy. We might run on a totally different machine */
60 return 0;
61
62 imx_phycore_snd_device = platform_device_alloc("soc-audio", -1);
63 if (!imx_phycore_snd_device)
64 return -ENOMEM;
65
66 imx_phycore_dai_ac97[0].cpu_dai = &imx_ssi_pcm_dai[0];
67
68 platform_set_drvdata(imx_phycore_snd_device, &imx_phycore_snd_devdata);
69 imx_phycore_snd_devdata.dev = &imx_phycore_snd_device->dev;
70 ret = platform_device_add(imx_phycore_snd_device);
71
72 if (ret) {
73 printk(KERN_ERR "ASoC: Platform device allocation failed\n");
74 platform_device_put(imx_phycore_snd_device);
75 }
76
77 return ret;
78}
79
80static void __exit imx_phycore_exit(void)
81{
82 platform_device_unregister(imx_phycore_snd_device);
83}
84
85late_initcall(imx_phycore_init);
86module_exit(imx_phycore_exit);
87
88MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
89MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
90MODULE_LICENSE("GPL");