Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/soc/fsl/pcm030-audio-fabric.c
10817 views
1
/*

2
 * Phytec pcm030 driver for the PSC of the Freescale MPC52xx

3
 * configured as AC97 interface

4
 *

5
 * Copyright 2008 Jon Smirl, Digispeaker

6
 * Author: Jon Smirl <[email protected]>

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/wm9712.h"

31


32
#define DRV_NAME "pcm030-audio-fabric"

33


34
static struct snd_soc_card card;

35


36
static struct snd_soc_dai_link pcm030_fabric_dai[] = {

37
{

38
	.name = "AC97",

39
	.stream_name = "AC97 Analog",

40
	.codec_dai_name = "wm9712-hifi",

41
	.cpu_dai_name = "mpc5200-psc-ac97.0",

42
	.platform_name = "mpc5200-pcm-audio",

43
	.codec_name = "wm9712-codec",

44
},

45
{

46
	.name = "AC97",

47
	.stream_name = "AC97 IEC958",

48
	.codec_dai_name = "wm9712-aux",

49
	.cpu_dai_name = "mpc5200-psc-ac97.1",

50
	.platform_name = "mpc5200-pcm-audio",

51
	.codec_name = "wm9712-codec",

52
},

53
};

54


55
static __init int pcm030_fabric_init(void)

56
{

57
	struct platform_device *pdev;

58
	int rc;

59


60
	if (!of_machine_is_compatible("phytec,pcm030"))

61
		return -ENODEV;

62


63


64
	card.name = "pcm030";

65
	card.dai_link = pcm030_fabric_dai;

66
	card.num_links = ARRAY_SIZE(pcm030_fabric_dai);

67


68
	pdev = platform_device_alloc("soc-audio", 1);

69
	if (!pdev) {

70
		pr_err("pcm030_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("pcm030_fabric_init: platform_device_add() failed\n");

79
		platform_device_put(pdev);

80
		return -ENODEV;

81
	}

82
	return 0;

83
}

84


85
module_init(pcm030_fabric_init);

86


87


88
MODULE_AUTHOR("Jon Smirl <[email protected]>");

89
MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");

90
MODULE_LICENSE("GPL");

91


92


93