2 * Efika driver for the PSC of the Freescale MPC52xx
3 * configured as AC97 interface
5 * Copyright 2008 Jon Smirl, Digispeaker
6 * Author: Jon Smirl <jonsmirl@gmail.com>
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.
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>
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>
29 #include "mpc5200_dma.h"
30 #include "mpc5200_psc_ac97.h"
31 #include "../codecs/stac9766.h"
33 #define DRV_NAME "efika-audio-fabric"
35 static struct snd_soc_device device
;
36 static struct snd_soc_card card
;
38 static struct snd_soc_dai_link efika_fabric_dai
[] = {
41 .stream_name
= "AC97 Analog",
42 .codec_dai
= &stac9766_dai
[STAC9766_DAI_AC97_ANALOG
],
43 .cpu_dai
= &psc_ac97_dai
[MPC5200_AC97_NORMAL
],
47 .stream_name
= "AC97 IEC958",
48 .codec_dai
= &stac9766_dai
[STAC9766_DAI_AC97_DIGITAL
],
49 .cpu_dai
= &psc_ac97_dai
[MPC5200_AC97_SPDIF
],
53 static __init
int efika_fabric_init(void)
55 struct platform_device
*pdev
;
58 if (!machine_is_compatible("bplan,efika"))
61 card
.platform
= &mpc5200_audio_dma_platform
;
63 card
.dai_link
= efika_fabric_dai
;
64 card
.num_links
= ARRAY_SIZE(efika_fabric_dai
);
67 device
.codec_dev
= &soc_codec_dev_stac9766
;
69 pdev
= platform_device_alloc("soc-audio", 1);
71 pr_err("efika_fabric_init: platform_device_alloc() failed\n");
75 platform_set_drvdata(pdev
, &device
);
76 device
.dev
= &pdev
->dev
;
78 rc
= platform_device_add(pdev
);
80 pr_err("efika_fabric_init: platform_device_add() failed\n");
86 module_init(efika_fabric_init
);
89 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
90 MODULE_DESCRIPTION(DRV_NAME
": mpc5200 Efika fabric driver");
91 MODULE_LICENSE("GPL");