]> git.karo-electronics.de Git - mv-sheeva.git/blob - sound/soc/fsl/efika-audio-fabric.c
Merge branch 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[mv-sheeva.git] / sound / soc / fsl / efika-audio-fabric.c
1 /*
2  * Efika 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/stac9766.h"
32
33 #define DRV_NAME "efika-audio-fabric"
34
35 static struct snd_soc_device device;
36 static struct snd_soc_card card;
37
38 static struct snd_soc_dai_link efika_fabric_dai[] = {
39 {
40         .name = "AC97",
41         .stream_name = "AC97 Analog",
42         .codec_dai = &stac9766_dai[STAC9766_DAI_AC97_ANALOG],
43         .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
44 },
45 {
46         .name = "AC97",
47         .stream_name = "AC97 IEC958",
48         .codec_dai = &stac9766_dai[STAC9766_DAI_AC97_DIGITAL],
49         .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
50 },
51 };
52
53 static __init int efika_fabric_init(void)
54 {
55         struct platform_device *pdev;
56         int rc;
57
58         if (!machine_is_compatible("bplan,efika"))
59                 return -ENODEV;
60
61         card.platform = &mpc5200_audio_dma_platform;
62         card.name = "Efika";
63         card.dai_link = efika_fabric_dai;
64         card.num_links = ARRAY_SIZE(efika_fabric_dai);
65
66         device.card = &card;
67         device.codec_dev = &soc_codec_dev_stac9766;
68
69         pdev = platform_device_alloc("soc-audio", 1);
70         if (!pdev) {
71                 pr_err("efika_fabric_init: platform_device_alloc() failed\n");
72                 return -ENODEV;
73         }
74
75         platform_set_drvdata(pdev, &device);
76         device.dev = &pdev->dev;
77
78         rc = platform_device_add(pdev);
79         if (rc) {
80                 pr_err("efika_fabric_init: platform_device_add() failed\n");
81                 return -ENODEV;
82         }
83         return 0;
84 }
85
86 module_init(efika_fabric_init);
87
88
89 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
90 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
91 MODULE_LICENSE("GPL");
92