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authorJon Smirl <jonsmirl@gmail.com>2009-05-26 08:34:12 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-05-26 16:13:01 -0400
commita9262c4fd404654acd3684699047fa63206518c8 (patch)
tree91e6c74a5e316165b01657399e138e584f4c1681 /sound/soc/fsl/pcm030-audio-fabric.c
parent20d0e1520ed1ba8aad05f416245446de0f7ec4bb (diff)
ASoC: Support for AC97 on Phytec pmc030 base board.
A wm9712 AC97 codec is used. Signed-off-by: Jon Smirl <jonsmirl@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/fsl/pcm030-audio-fabric.c')
-rw-r--r--sound/soc/fsl/pcm030-audio-fabric.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c
new file mode 100644
index 000000000000..8766f7a3893d
--- /dev/null
+++ b/sound/soc/fsl/pcm030-audio-fabric.c
@@ -0,0 +1,90 @@
1/*
2 * Phytec pcm030 driver for the PSC of the Freescale MPC52xx
3 * configured as AC97 interface
4 *
5 * Copyright 2008 Jon Smirl, Digispeaker
6 * Author: Jon Smirl <jonsmirl@gmail.com>
7 *
8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" without any warranty of any
10 * kind, whether express or implied.
11 */
12
13#include <linux/init.h>
14#include <linux/module.h>
15#include <linux/interrupt.h>
16#include <linux/device.h>
17#include <linux/delay.h>
18#include <linux/of_device.h>
19#include <linux/of_platform.h>
20#include <linux/dma-mapping.h>
21
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/pcm_params.h>
25#include <sound/initval.h>
26#include <sound/soc.h>
27#include <sound/soc-of-simple.h>
28
29#include "mpc5200_dma.h"
30#include "mpc5200_psc_ac97.h"
31#include "../codecs/wm9712.h"
32
33static struct snd_soc_device device;
34static struct snd_soc_card card;
35
36static struct snd_soc_dai_link pcm030_fabric_dai[] = {
37{
38 .name = "AC97",
39 .stream_name = "AC97 Analog",
40 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
41 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
42},
43{
44 .name = "AC97",
45 .stream_name = "AC97 IEC958",
46 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
47 .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
48},
49};
50
51static __init int pcm030_fabric_init(void)
52{
53 struct platform_device *pdev;
54 int rc;
55
56 if (!machine_is_compatible("phytec,pcm030"))
57 return -ENODEV;
58
59 card.platform = &mpc5200_audio_dma_platform;
60 card.name = "pcm030";
61 card.dai_link = pcm030_fabric_dai;
62 card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
63
64 device.card = &card;
65 device.codec_dev = &soc_codec_dev_wm9712;
66
67 pdev = platform_device_alloc("soc-audio", 1);
68 if (!pdev) {
69 pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
70 return -ENODEV;
71 }
72
73 platform_set_drvdata(pdev, &device);
74 device.dev = &pdev->dev;
75
76 rc = platform_device_add(pdev);
77 if (rc) {
78 pr_err("pcm030_fabric_init: platform_device_add() failed\n");
79 return -ENODEV;
80 }
81 return 0;
82}
83
84module_init(pcm030_fabric_init);
85
86
87MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
88MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
89MODULE_LICENSE("GPL");
90