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 
93