Commit c8ed6aca authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown

ASoC: simple-scu-card: remove simple-scu-card

It is already merged into simple-card.
simple-scu-card is no longer needed.
Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bb93487b
...@@ -8,14 +8,6 @@ config SND_SIMPLE_CARD ...@@ -8,14 +8,6 @@ config SND_SIMPLE_CARD
This option enables generic simple sound card support This option enables generic simple sound card support
It also support DPCM of multi CPU single Codec ststem. It also support DPCM of multi CPU single Codec ststem.
config SND_SIMPLE_SCU_CARD
tristate "ASoC Simple SCU sound card support"
depends on OF
select SND_SIMPLE_CARD_UTILS
help
This option enables generic simple SCU sound card support.
It supports DPCM of multi CPU single Codec system.
config SND_AUDIO_GRAPH_CARD config SND_AUDIO_GRAPH_CARD
tristate "ASoC Audio Graph sound card support" tristate "ASoC Audio Graph sound card support"
depends on OF depends on OF
......
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
snd-soc-simple-card-utils-objs := simple-card-utils.o snd-soc-simple-card-utils-objs := simple-card-utils.o
snd-soc-simple-card-objs := simple-card.o snd-soc-simple-card-objs := simple-card.o
snd-soc-simple-scu-card-objs := simple-scu-card.o
snd-soc-audio-graph-card-objs := audio-graph-card.o snd-soc-audio-graph-card-objs := audio-graph-card.o
obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) += snd-soc-simple-card-utils.o obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) += snd-soc-simple-card-utils.o
obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o
obj-$(CONFIG_SND_SIMPLE_SCU_CARD) += snd-soc-simple-scu-card.o
obj-$(CONFIG_SND_AUDIO_GRAPH_CARD) += snd-soc-audio-graph-card.o obj-$(CONFIG_SND_AUDIO_GRAPH_CARD) += snd-soc-audio-graph-card.o
// SPDX-License-Identifier: GPL-2.0
//
// ASoC simple SCU sound card support
//
// Copyright (C) 2015 Renesas Solutions Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
// based on ${LINUX}/sound/soc/generic/simple-card.c
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/string.h>
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/simple_card_utils.h>
struct simple_card_data {
struct snd_soc_card snd_card;
struct simple_dai_props {
struct asoc_simple_dai *cpu_dai;
struct asoc_simple_dai *codec_dai;
struct snd_soc_dai_link_component codecs;
struct snd_soc_dai_link_component platform;
struct asoc_simple_card_data adata;
struct snd_soc_codec_conf *codec_conf;
} *dai_props;
struct snd_soc_dai_link *dai_link;
struct asoc_simple_dai *dais;
struct asoc_simple_card_data adata;
struct snd_soc_codec_conf *codec_conf;
};
#define simple_priv_to_card(priv) (&(priv)->snd_card)
#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
#define DAI "sound-dai"
#define CELL "#sound-dai-cells"
#define PREFIX "simple-audio-card,"
static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props =
simple_priv_to_props(priv, rtd->num);
int ret;
ret = asoc_simple_card_clk_enable(dai_props->cpu_dai);
if (ret)
return ret;
ret = asoc_simple_card_clk_enable(dai_props->codec_dai);
if (ret)
asoc_simple_card_clk_disable(dai_props->cpu_dai);
return ret;
}
static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props =
simple_priv_to_props(priv, rtd->num);
asoc_simple_card_clk_disable(dai_props->cpu_dai);
asoc_simple_card_clk_disable(dai_props->codec_dai);
}
static const struct snd_soc_ops asoc_simple_card_ops = {
.startup = asoc_simple_card_startup,
.shutdown = asoc_simple_card_shutdown,
};
static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num);
int ret;
ret = asoc_simple_card_init_dai(rtd->codec_dai,
dai_props->codec_dai);
if (ret < 0)
return ret;
ret = asoc_simple_card_init_dai(rtd->cpu_dai,
dai_props->cpu_dai);
if (ret < 0)
return ret;
return 0;
}
static int asoc_simple_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, rtd->num);
asoc_simple_card_convert_fixup(&dai_props->adata, params);
/* overwrite by top level adata if exist */
asoc_simple_card_convert_fixup(&priv->adata, params);
return 0;
}
static int asoc_simple_card_dai_link_of(struct device_node *link,
struct device_node *np,
struct device_node *codec,
struct simple_card_data *priv,
int *dai_idx, int link_idx,
int *conf_idx, int is_fe,
bool is_top_level_node)
{
struct device *dev = simple_priv_to_dev(priv);
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx);
struct snd_soc_card *card = simple_priv_to_card(priv);
struct asoc_simple_dai *dai;
char *prefix = "";
int ret;
/* For single DAI link & old style of DT node */
if (is_top_level_node)
prefix = PREFIX;
if (is_fe) {
int is_single_links = 0;
struct snd_soc_dai_link_component *codecs;
/* BE is dummy */
codecs = dai_link->codecs;
codecs->of_node = NULL;
codecs->dai_name = "snd-soc-dummy-dai";
codecs->name = "snd-soc-dummy";
/* FE settings */
dai_link->dynamic = 1;
dai_link->dpcm_merged_format = 1;
dai =
dai_props->cpu_dai = &priv->dais[(*dai_idx)++];
ret = asoc_simple_card_parse_cpu(np, dai_link, DAI, CELL,
&is_single_links);
if (ret)
return ret;
ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai);
if (ret < 0)
return ret;
ret = asoc_simple_card_set_dailink_name(dev, dai_link,
"fe.%s",
dai_link->cpu_dai_name);
if (ret < 0)
return ret;
asoc_simple_card_canonicalize_cpu(dai_link, is_single_links);
} else {
struct snd_soc_codec_conf *cconf;
/* FE is dummy */
dai_link->cpu_of_node = NULL;
dai_link->cpu_dai_name = "snd-soc-dummy-dai";
dai_link->cpu_name = "snd-soc-dummy";
/* BE settings */
dai_link->no_pcm = 1;
dai_link->be_hw_params_fixup = asoc_simple_card_be_hw_params_fixup;
dai =
dai_props->codec_dai = &priv->dais[(*dai_idx)++];
cconf =
dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++];
ret = asoc_simple_card_parse_codec(np, dai_link, DAI, CELL);
if (ret < 0)
return ret;
ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai);
if (ret < 0)
return ret;
ret = asoc_simple_card_set_dailink_name(dev, dai_link,
"be.%s",
dai_link->codecs->dai_name);
if (ret < 0)
return ret;
/* check "prefix" from top node */
snd_soc_of_parse_audio_prefix(card, cconf,
dai_link->codecs->of_node,
PREFIX "prefix");
/* check "prefix" from each node if top doesn't have */
if (!cconf->of_node)
snd_soc_of_parse_node_prefix(np, cconf,
dai_link->codecs->of_node,
"prefix");
}
asoc_simple_card_parse_convert(dev, link, prefix, &dai_props->adata);
ret = asoc_simple_card_of_parse_tdm(np, dai);
if (ret)
return ret;
ret = asoc_simple_card_canonicalize_dailink(dai_link);
if (ret < 0)
return ret;
ret = asoc_simple_card_parse_daifmt(dev, link, codec,
prefix, &dai_link->dai_fmt);
if (ret < 0)
return ret;
dai_link->dpcm_playback = 1;
dai_link->dpcm_capture = 1;
dai_link->ops = &asoc_simple_card_ops;
dai_link->init = asoc_simple_card_dai_init;
return 0;
}
static int asoc_simple_card_parse_of(struct simple_card_data *priv)
{
struct device *dev = simple_priv_to_dev(priv);
struct device_node *top = dev->of_node;
struct device_node *node;
struct device_node *np;
struct device_node *codec;
struct snd_soc_card *card = simple_priv_to_card(priv);
bool is_fe;
int ret, loop;
int dai_idx, link_idx, conf_idx;
if (!top)
return -EINVAL;
ret = asoc_simple_card_of_parse_widgets(card, PREFIX);
if (ret < 0)
return ret;
ret = asoc_simple_card_of_parse_routing(card, PREFIX);
if (ret < 0)
return ret;
asoc_simple_card_parse_convert(dev, top, PREFIX, &priv->adata);
loop = 1;
link_idx = 0;
dai_idx = 0;
conf_idx = 0;
node = of_get_child_by_name(top, PREFIX "dai-link");
if (!node) {
node = dev->of_node;
loop = 0;
}
do {
codec = of_get_child_by_name(node,
loop ? "codec" : PREFIX "codec");
if (!codec)
return -ENODEV;
for_each_child_of_node(node, np) {
is_fe = (np != codec);
ret = asoc_simple_card_dai_link_of(node, np, codec, priv,
&dai_idx, link_idx++,
&conf_idx,
is_fe, !loop);
if (ret < 0)
return ret;
}
node = of_get_next_child(top, node);
} while (loop && node);
ret = asoc_simple_card_parse_card_name(card, PREFIX);
if (ret < 0)
return ret;
return 0;
}
static void asoc_simple_card_get_dais_count(struct device *dev,
int *link_num,
int *dais_num,
int *ccnf_num)
{
struct device_node *top = dev->of_node;
struct device_node *node;
int loop;
int num;
/*
* link_num : number of links.
* CPU-Codec / CPU-dummy / dummy-Codec
* dais_num : number of DAIs
* ccnf_num : number of codec_conf
* same number for "dummy-Codec"
*
* ex1)
* CPU0 --- Codec0 link : 5
* CPU1 --- Codec1 dais : 7
* CPU2 -/ ccnf : 1
* CPU3 --- Codec2
*
* => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec
* => 7 DAIs = 4xCPU + 3xCodec
* => 1 ccnf = 1xdummy-Codec
*
* ex2)
* CPU0 --- Codec0 link : 5
* CPU1 --- Codec1 dais : 6
* CPU2 -/ ccnf : 1
* CPU3 -/
*
* => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec
* => 6 DAIs = 4xCPU + 2xCodec
* => 1 ccnf = 1xdummy-Codec
*
* ex3)
* CPU0 --- Codec0 link : 6
* CPU1 -/ dais : 6
* CPU2 --- Codec1 ccnf : 2
* CPU3 -/
*
* => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec
* => 6 DAIs = 4xCPU + 2xCodec
* => 2 ccnf = 2xdummy-Codec
*/
if (!top) {
(*link_num) = 1;
(*dais_num) = 2;
(*ccnf_num) = 0;
return;
}
loop = 1;
node = of_get_child_by_name(top, PREFIX "dai-link");
if (!node) {
node = top;
loop = 0;
}
do {
num = of_get_child_count(node);
(*dais_num) += num;
if (num > 2) {
(*link_num) += num;
(*ccnf_num)++;
} else {
(*link_num)++;
}
node = of_get_next_child(top, node);
} while (loop && node);
}
static int asoc_simple_card_probe(struct platform_device *pdev)
{
struct simple_card_data *priv;
struct snd_soc_dai_link *dai_link;
struct simple_dai_props *dai_props;
struct asoc_simple_dai *dais;
struct snd_soc_card *card;
struct snd_soc_codec_conf *cconf;
struct device *dev = &pdev->dev;
int ret, i;
int lnum = 0, dnum = 0, cnum = 0;
/* Allocate the private data */
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
asoc_simple_card_get_dais_count(dev, &lnum, &dnum, &cnum);
if (!lnum || !dnum)
return -EINVAL;
dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL);
dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL);
dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL);
cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL);
if (!dai_props || !dai_link || !dais)
return -ENOMEM;
/*
* Use snd_soc_dai_link_component instead of legacy style
* It is codec only. but cpu/platform will be supported in the future.
* see
* soc-core.c :: snd_soc_init_multicodec()
*/
for (i = 0; i < lnum; i++) {
dai_link[i].codecs = &dai_props[i].codecs;
dai_link[i].num_codecs = 1;
dai_link[i].platform = &dai_props[i].platform;
}
priv->dai_props = dai_props;
priv->dai_link = dai_link;
priv->dais = dais;
priv->codec_conf = cconf;
/* Init snd_soc_card */
card = simple_priv_to_card(priv);
card->owner = THIS_MODULE;
card->dev = dev;
card->dai_link = priv->dai_link;
card->num_links = lnum;
card->codec_conf = cconf;
card->num_configs = cnum;
ret = asoc_simple_card_parse_of(priv);
if (ret < 0) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "parse error %d\n", ret);
goto err;
}
snd_soc_card_set_drvdata(card, priv);
ret = devm_snd_soc_register_card(dev, card);
if (ret < 0)
goto err;
return 0;
err:
asoc_simple_card_clean_reference(card);
return ret;
}
static int asoc_simple_card_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
return asoc_simple_card_clean_reference(card);
}
static const struct of_device_id asoc_simple_of_match[] = {
{ .compatible = "renesas,rsrc-card", },
{ .compatible = "simple-scu-audio-card", },
{},
};
MODULE_DEVICE_TABLE(of, asoc_simple_of_match);
static struct platform_driver asoc_simple_card = {
.driver = {
.name = "simple-scu-audio-card",
.pm = &snd_soc_pm_ops,
.of_match_table = asoc_simple_of_match,
},
.probe = asoc_simple_card_probe,
.remove = asoc_simple_card_remove,
};
module_platform_driver(asoc_simple_card);
MODULE_ALIAS("platform:asoc-simple-scu-card");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("ASoC Simple SCU Sound Card");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
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