1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Phytec pcm030 driver for the PSC of the Freescale MPC52xx
* configured as AC97 interface
*
* Copyright 2008 Jon Smirl, Digispeaker
* Author: Jon Smirl <jonsmirl@gmail.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/soc-of-simple.h>
#include "mpc5200_dma.h"
#include "mpc5200_psc_ac97.h"
#include "../codecs/wm9712.h"
#define DRV_NAME "pcm030-audio-fabric"
static struct snd_soc_device device;
static struct snd_soc_card card;
static struct snd_soc_dai_link pcm030_fabric_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 Analog",
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
.cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
},
{
.name = "AC97",
.stream_name = "AC97 IEC958",
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
.cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
},
};
static __init int pcm030_fabric_init(void)
{
struct platform_device *pdev;
int rc;
if (!of_machine_is_compatible("phytec,pcm030"))
return -ENODEV;
card.platform = &mpc5200_audio_dma_platform;
card.name = "pcm030";
card.dai_link = pcm030_fabric_dai;
card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
device.card = &card;
device.codec_dev = &soc_codec_dev_wm9712;
pdev = platform_device_alloc("soc-audio", 1);
if (!pdev) {
pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
return -ENODEV;
}
platform_set_drvdata(pdev, &device);
device.dev = &pdev->dev;
rc = platform_device_add(pdev);
if (rc) {
pr_err("pcm030_fabric_init: platform_device_add() failed\n");
return -ENODEV;
}
return 0;
}
module_init(pcm030_fabric_init);
MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
MODULE_LICENSE("GPL");
|
