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>
28 #include "mpc5200_dma.h"
29 #include "mpc5200_psc_ac97.h"
31 #define DRV_NAME "efika-audio-fabric"
33 static struct snd_soc_dai_link efika_fabric_dai
[] = {
36 .stream_name
= "AC97 Analog",
37 .codec_dai_name
= "stac9766-hifi-analog",
38 .cpu_dai_name
= "mpc5200-psc-ac97.0",
39 .platform_name
= "mpc5200-pcm-audio",
40 .codec_name
= "stac9766-codec",
44 .stream_name
= "AC97 IEC958",
45 .codec_dai_name
= "stac9766-hifi-IEC958",
46 .cpu_dai_name
= "mpc5200-psc-ac97.1",
47 .platform_name
= "mpc5200-pcm-audio",
48 .codec_name
= "stac9766-codec",
52 static struct snd_soc_card card
= {
55 .dai_link
= efika_fabric_dai
,
56 .num_links
= ARRAY_SIZE(efika_fabric_dai
),
59 static __init
int efika_fabric_init(void)
61 struct platform_device
*pdev
;
64 if (!of_machine_is_compatible("bplan,efika"))
67 pdev
= platform_device_alloc("soc-audio", 1);
69 pr_err("efika_fabric_init: platform_device_alloc() failed\n");
73 platform_set_drvdata(pdev
, &card
);
75 rc
= platform_device_add(pdev
);
77 pr_err("efika_fabric_init: platform_device_add() failed\n");
78 platform_device_put(pdev
);
84 module_init(efika_fabric_init
);
87 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
88 MODULE_DESCRIPTION(DRV_NAME
": mpc5200 Efika fabric driver");
89 MODULE_LICENSE("GPL");