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
28#include "mpc5200_dma.h"
29#include "mpc5200_psc_ac97.h"
30#include "../codecs/stac9766.h"
31
32#define DRV_NAME "efika-audio-fabric"
33
34static struct snd_soc_dai_link efika_fabric_dai[] = {
35{
36	.name = "AC97",
37	.stream_name = "AC97 Analog",
38	.codec_dai_name = "stac9766-hifi-analog",
39	.cpu_dai_name = "mpc5200-psc-ac97.0",
40	.platform_name = "mpc5200-pcm-audio",
41	.codec_name = "stac9766-codec",
42},
43{
44	.name = "AC97",
45	.stream_name = "AC97 IEC958",
46	.codec_dai_name = "stac9766-hifi-IEC958",
47	.cpu_dai_name = "mpc5200-psc-ac97.1",
48	.platform_name = "mpc5200-pcm-audio",
49	.codec_name = "stac9766-codec",
50},
51};
52
53static struct snd_soc_card card = {
54	.name = "Efika",
55	.owner = THIS_MODULE,
56	.dai_link = efika_fabric_dai,
57	.num_links = ARRAY_SIZE(efika_fabric_dai),
58};
59
60static __init int efika_fabric_init(void)
61{
62	struct platform_device *pdev;
63	int rc;
64
65	if (!of_machine_is_compatible("bplan,efika"))
66		return -ENODEV;
67
68	pdev = platform_device_alloc("soc-audio", 1);
69	if (!pdev) {
70		pr_err("efika_fabric_init: platform_device_alloc() failed\n");
71		return -ENODEV;
72	}
73
74	platform_set_drvdata(pdev, &card);
75
76	rc = platform_device_add(pdev);
77	if (rc) {
78		pr_err("efika_fabric_init: platform_device_add() failed\n");
79		platform_device_put(pdev);
80		return -ENODEV;
81	}
82	return 0;
83}
84
85module_init(efika_fabric_init);
86
87
88MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
89MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
90MODULE_LICENSE("GPL");
91
92