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.h>
19#include <linux/platform_device.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
30#define DRV_NAME "efika-audio-fabric"
31
32SND_SOC_DAILINK_DEFS(analog,
33	DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
34	DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
35				      "stac9766-hifi-analog")),
36	DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
37
38SND_SOC_DAILINK_DEFS(iec958,
39	DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
40	DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
41				      "stac9766-hifi-IEC958")),
42	DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
43
44static struct snd_soc_dai_link efika_fabric_dai[] = {
45{
46	.name = "AC97",
47	.stream_name = "AC97 Analog",
48	SND_SOC_DAILINK_REG(analog),
49},
50{
51	.name = "AC97",
52	.stream_name = "AC97 IEC958",
53	SND_SOC_DAILINK_REG(iec958),
54},
55};
56
57static struct snd_soc_card card = {
58	.name = "Efika",
59	.owner = THIS_MODULE,
60	.dai_link = efika_fabric_dai,
61	.num_links = ARRAY_SIZE(efika_fabric_dai),
62};
63
64static __init int efika_fabric_init(void)
65{
66	struct platform_device *pdev;
67	int rc;
68
69	if (!of_machine_is_compatible("bplan,efika"))
70		return -ENODEV;
71
72	pdev = platform_device_alloc("soc-audio", 1);
73	if (!pdev) {
74		pr_err("efika_fabric_init: platform_device_alloc() failed\n");
75		return -ENODEV;
76	}
77
78	platform_set_drvdata(pdev, &card);
79
80	rc = platform_device_add(pdev);
81	if (rc) {
82		pr_err("efika_fabric_init: platform_device_add() failed\n");
83		platform_device_put(pdev);
84		return -ENODEV;
85	}
86	return 0;
87}
88
89module_init(efika_fabric_init);
90
91
92MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
93MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
94MODULE_LICENSE("GPL");
95
96