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[~shefty/rdma-dev.git] / sound / soc / fsl / pcm030-audio-fabric.c
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
33 #define DRV_NAME "pcm030-audio-fabric"
34
35 static struct snd_soc_card card;
36
37 static struct snd_soc_dai_link pcm030_fabric_dai[] = {
38 {
39         .name = "AC97",
40         .stream_name = "AC97 Analog",
41         .codec_dai_name = "wm9712-hifi",
42         .cpu_dai_name = "mpc5200-psc-ac97.0",
43         .platform_name = "mpc5200-pcm-audio",
44         .codec_name = "wm9712-codec",
45 },
46 {
47         .name = "AC97",
48         .stream_name = "AC97 IEC958",
49         .codec_dai_name = "wm9712-aux",
50         .cpu_dai_name = "mpc5200-psc-ac97.1",
51         .platform_name = "mpc5200-pcm-audio",
52         ..codec_name = "wm9712-codec",
53 },
54 };
55
56 static __init int pcm030_fabric_init(void)
57 {
58         struct platform_device *pdev;
59         int rc;
60
61         if (!of_machine_is_compatible("phytec,pcm030"))
62                 return -ENODEV;
63
64
65         card.name = "pcm030";
66         card.dai_link = pcm030_fabric_dai;
67         card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
68
69         pdev = platform_device_alloc("soc-audio", 1);
70         if (!pdev) {
71                 pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
72                 return -ENODEV;
73         }
74
75         platform_set_drvdata(pdev, &card);
76
77         rc = platform_device_add(pdev);
78         if (rc) {
79                 pr_err("pcm030_fabric_init: platform_device_add() failed\n");
80                 return -ENODEV;
81         }
82         return 0;
83 }
84
85 module_init(pcm030_fabric_init);
86
87
88 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
89 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
90 MODULE_LICENSE("GPL");
91