Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 305625
b: refs/heads/master
c: f239088
h: refs/heads/master
i:
  305623: c4cf679
v: v3
  • Loading branch information
Kuninori Morimoto authored and Mark Brown committed Apr 13, 2012
1 parent 10af1c8 commit 47b99ec
Show file tree
Hide file tree
Showing 7 changed files with 164 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cdc04fd1e982e91936cbcf3dec59a576517d67a1
refs/heads/master: f2390880ec0264a0ed26b32c23bc23435b4297da
38 changes: 38 additions & 0 deletions trunk/include/sound/simple_card.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
/*
* ASoC simple sound card support
*
* Copyright (C) 2012 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/

#ifndef __SIMPLE_CARD_H
#define __SIMPLE_CARD_H

#include <sound/soc.h>

struct asoc_simple_dai_init_info {
unsigned int fmt;
unsigned int cpu_daifmt;
unsigned int codec_daifmt;
unsigned int sysclk;
};

struct asoc_simple_card_info {
const char *name;
const char *card;
const char *cpu_dai;
const char *codec;
const char *platform;
const char *codec_dai;
struct asoc_simple_dai_init_info *init; /* for snd_link.init */

/* used in simple-card.c */
struct snd_soc_dai_link snd_link;
struct snd_soc_card snd_card;
};

#endif /* __SIMPLE_CARD_H */
3 changes: 3 additions & 0 deletions trunk/sound/soc/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -51,5 +51,8 @@ source "sound/soc/txx9/Kconfig"
# Supported codecs
source "sound/soc/codecs/Kconfig"

# generic frame-work
source "sound/soc/generic/Kconfig"

endif # SND_SOC

1 change: 1 addition & 0 deletions trunk/sound/soc/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ obj-$(CONFIG_SND_SOC_DMAENGINE_PCM) += snd-soc-dmaengine-pcm.o

obj-$(CONFIG_SND_SOC) += snd-soc-core.o
obj-$(CONFIG_SND_SOC) += codecs/
obj-$(CONFIG_SND_SOC) += generic/
obj-$(CONFIG_SND_SOC) += atmel/
obj-$(CONFIG_SND_SOC) += au1x/
obj-$(CONFIG_SND_SOC) += blackfin/
Expand Down
4 changes: 4 additions & 0 deletions trunk/sound/soc/generic/Kconfig
Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
config SND_SIMPLE_CARD
tristate "ASoC Simple sound card support"
help
This option enables generic simple sound card support
3 changes: 3 additions & 0 deletions trunk/sound/soc/generic/Makefile
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
snd-soc-simple-card-objs := simple-card.o

obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o
114 changes: 114 additions & 0 deletions trunk/sound/soc/generic/simple-card.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,114 @@
/*
* ASoC simple sound card support
*
* Copyright (C) 2012 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/

#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/simple_card.h>

#define asoc_simple_get_card_info(p) \
container_of(p->dai_link, struct asoc_simple_card_info, snd_link)

static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct asoc_simple_card_info *cinfo = asoc_simple_get_card_info(rtd);
struct asoc_simple_dai_init_info *iinfo = cinfo->init;
struct snd_soc_dai *codec = rtd->codec_dai;
struct snd_soc_dai *cpu = rtd->cpu_dai;
unsigned int cpu_daifmt = iinfo->fmt | iinfo->cpu_daifmt;
unsigned int codec_daifmt = iinfo->fmt | iinfo->codec_daifmt;
int ret;

if (codec_daifmt) {
ret = snd_soc_dai_set_fmt(codec, codec_daifmt);
if (ret < 0)
return ret;
}

if (iinfo->sysclk) {
ret = snd_soc_dai_set_sysclk(codec, 0, iinfo->sysclk, 0);
if (ret < 0)
return ret;
}

if (cpu_daifmt) {
ret = snd_soc_dai_set_fmt(cpu, cpu_daifmt);
if (ret < 0)
return ret;
}

return 0;
}

static int asoc_simple_card_probe(struct platform_device *pdev)
{
struct asoc_simple_card_info *cinfo = pdev->dev.platform_data;

if (!cinfo) {
dev_err(&pdev->dev, "no info for asoc-simple-card\n");
return -EINVAL;
}

if (!cinfo->name ||
!cinfo->card ||
!cinfo->cpu_dai ||
!cinfo->codec ||
!cinfo->platform ||
!cinfo->codec_dai) {
dev_err(&pdev->dev, "insufficient asoc_simple_card_info settings\n");
return -EINVAL;
}

/*
* init snd_soc_dai_link
*/
cinfo->snd_link.name = cinfo->name;
cinfo->snd_link.stream_name = cinfo->name;
cinfo->snd_link.cpu_dai_name = cinfo->cpu_dai;
cinfo->snd_link.platform_name = cinfo->platform;
cinfo->snd_link.codec_name = cinfo->codec;
cinfo->snd_link.codec_dai_name = cinfo->codec_dai;

/* enable snd_link.init if cinfo has settings */
if (cinfo->init)
cinfo->snd_link.init = asoc_simple_card_dai_init;

/*
* init snd_soc_card
*/
cinfo->snd_card.name = cinfo->card;
cinfo->snd_card.owner = THIS_MODULE;
cinfo->snd_card.dai_link = &cinfo->snd_link;
cinfo->snd_card.num_links = 1;
cinfo->snd_card.dev = &pdev->dev;

return snd_soc_register_card(&cinfo->snd_card);
}

static int asoc_simple_card_remove(struct platform_device *pdev)
{
struct asoc_simple_card_info *cinfo = pdev->dev.platform_data;

return snd_soc_unregister_card(&cinfo->snd_card);
}

static struct platform_driver asoc_simple_card = {
.driver = {
.name = "asoc-simple-card",
},
.probe = asoc_simple_card_probe,
.remove = asoc_simple_card_remove,
};

module_platform_driver(asoc_simple_card);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ASoC Simple Sound Card");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");

0 comments on commit 47b99ec

Please sign in to comment.