1 files changed, 0 insertions, 501 deletions

diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c
deleted file mode 100644
index e1b192ea147b..000000000000
--- a/sound/soc/generic/audio-graph-scu-card.c
+++ /dev/null
@@ -1,501 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// ASoC audio graph SCU sound card support
-//
-// Copyright (C) 2017 Renesas Solutions Corp.
-// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
-//
-// based on
-//	${LINUX}/sound/soc/generic/simple-scu-card.c
-//	${LINUX}/sound/soc/generic/audio-graph-card.c
-
-#include <linux/clk.h>
-#include <linux/device.h>
-#include <linux/gpio.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
-#include <linux/of_graph.h>
-#include <linux/platform_device.h>
-#include <linux/string.h>
-#include <sound/jack.h>
-#include <sound/simple_card_utils.h>
-
-struct graph_card_data {
-	struct snd_soc_card snd_card;
-	struct graph_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 graph_priv_to_card(priv) (&(priv)->snd_card)
-#define graph_priv_to_props(priv, i) ((priv)->dai_props + (i))
-#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev)
-#define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i))
-
-#define PREFIX	"audio-graph-card,"
-
-static int asoc_graph_card_startup(struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
-	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
-	int ret = 0;
-
-	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_graph_card_shutdown(struct snd_pcm_substream *substream)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
-	struct graph_dai_props *dai_props = graph_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_graph_card_ops = {
-	.startup = asoc_graph_card_startup,
-	.shutdown = asoc_graph_card_shutdown,
-};
-
-static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct graph_card_data *priv =	snd_soc_card_get_drvdata(rtd->card);
-	struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
-	int ret = 0;
-
-	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_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
-					       struct snd_pcm_hw_params *params)
-{
-	struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
-	struct graph_dai_props *dai_props = graph_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_graph_card_dai_link_of(struct device_node *cpu_ep,
-				       struct device_node *codec_ep,
-				       struct graph_card_data *priv,
-				       int *dai_idx, int link_idx,
-				       int *conf_idx, int is_fe)
-{
-	struct device *dev = graph_priv_to_dev(priv);
-	struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx);
-	struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx);
-	struct snd_soc_card *card = graph_priv_to_card(priv);
-	struct device_node *ep = is_fe ? cpu_ep : codec_ep;
-	struct device_node *node = of_graph_get_port_parent(ep);
-	struct asoc_simple_dai *dai;
-	int ret;
-
-	if (is_fe) {
-		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_graph_cpu(ep, dai_link);
-		if (ret)
-			return ret;
-
-		ret = asoc_simple_card_parse_clk_cpu(dev, ep, 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;
-
-		/* card->num_links includes Codec */
-		asoc_simple_card_canonicalize_cpu(dai_link,
-			of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1);
-	} 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_graph_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_graph_codec(ep, dai_link);
-		if (ret < 0)
-			return ret;
-
-		ret = asoc_simple_card_parse_clk_codec(dev, ep, 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");
-		/* check "prefix" from each node if top doesn't have */
-		if (!cconf->of_node)
-			snd_soc_of_parse_node_prefix(node, cconf,
-						     dai_link->codecs->of_node,
-						     PREFIX "prefix");
-	}
-
-	asoc_simple_card_parse_convert(dev, node, PREFIX, &dai_props->adata);
-
-	ret = asoc_simple_card_of_parse_tdm(ep, 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, cpu_ep, codec_ep,
-					    NULL, &dai_link->dai_fmt);
-	if (ret < 0)
-		return ret;
-
-	dai_link->dpcm_playback		= 1;
-	dai_link->dpcm_capture		= 1;
-	dai_link->ops			= &asoc_graph_card_ops;
-	dai_link->init			= asoc_graph_card_dai_init;
-
-	return 0;
-}
-
-static int asoc_graph_card_parse_of(struct graph_card_data *priv)
-{
-	struct of_phandle_iterator it;
-	struct device *dev = graph_priv_to_dev(priv);
-	struct snd_soc_card *card = graph_priv_to_card(priv);
-	struct device_node *node = dev->of_node;
-	struct device_node *cpu_port;
-	struct device_node *cpu_ep;
-	struct device_node *codec_ep;
-	struct device_node *codec_port;
-	struct device_node *codec_port_old;
-	int dai_idx, link_idx, conf_idx, ret;
-	int rc, codec;
-
-	if (!node)
-		return -EINVAL;
-
-	/*
-	 * we need to consider "widgets", "mclk-fs" around here
-	 * see simple-card
-	 */
-
-	ret = asoc_simple_card_of_parse_routing(card, NULL);
-	if (ret < 0)
-		return ret;
-
-	asoc_simple_card_parse_convert(dev, node, NULL, &priv->adata);
-
-	/*
-	 * it supports multi CPU, single CODEC only here
-	 * see asoc_graph_get_dais_count
-	 */
-
-	link_idx = 0;
-	dai_idx = 0;
-	conf_idx = 0;
-	codec_port_old = NULL;
-	for (codec = 0; codec < 2; codec++) {
-		/*
-		 * To listup valid sounds continuously,
-		 * detect all CPU-dummy first, and
-		 * detect all dummy-Codec second
-		 */
-		of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
-			cpu_port = it.node;
-			cpu_ep   = of_get_next_child(cpu_port, NULL);
-			codec_ep = of_graph_get_remote_endpoint(cpu_ep);
-			codec_port = of_graph_get_port_parent(codec_ep);
-
-			of_node_put(cpu_ep);
-			of_node_put(codec_ep);
-			of_node_put(cpu_port);
-			of_node_put(codec_port);
-			it.node = NULL;
-
-			if (codec) {
-				if (codec_port_old == codec_port)
-					continue;
-
-				codec_port_old = codec_port;
-			}
-
-			ret = asoc_graph_card_dai_link_of(cpu_ep, codec_ep,
-							  priv, &dai_idx,
-							  link_idx++, &conf_idx,
-							  !codec);
-			if (ret < 0)
-				goto parse_of_err;
-		}
-	}
-
-	ret = asoc_simple_card_parse_card_name(card, NULL);
-	if (ret)
-		goto parse_of_err;
-
-	if ((card->num_links   != link_idx) ||
-	    (card->num_configs != conf_idx)) {
-		dev_err(dev, "dai_link or codec_config wrong (%d/%d, %d/%d)\n",
-			card->num_links, link_idx, card->num_configs, conf_idx);
-		ret = -EINVAL;
-		goto parse_of_err;
-	}
-
-	ret = 0;
-
-parse_of_err:
-	return ret;
-}
-
-static void asoc_graph_get_dais_count(struct device *dev,
-				      int *link_num,
-				      int *dais_num,
-				      int *ccnf_num)
-{
-	struct of_phandle_iterator it;
-	struct device_node *node = dev->of_node;
-	struct device_node *cpu_port;
-	struct device_node *cpu_ep;
-	struct device_node *codec_ep;
-	struct device_node *codec_port;
-	struct device_node *codec_port_old;
-	struct device_node *codec_port_old2;
-	int rc;
-
-	/*
-	 * 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
-	 */
-	codec_port_old = NULL;
-	codec_port_old2 = NULL;
-	of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
-		cpu_port = it.node;
-		cpu_ep   = of_get_next_child(cpu_port, NULL);
-		codec_ep = of_graph_get_remote_endpoint(cpu_ep);
-		codec_port = of_graph_get_port_parent(codec_ep);
-
-		of_node_put(cpu_ep);
-		of_node_put(codec_ep);
-		of_node_put(codec_port);
-
-		(*link_num)++;
-		(*dais_num)++;
-
-		if (codec_port_old == codec_port) {
-			if (codec_port_old2 != codec_port_old) {
-				(*link_num)++;
-				(*ccnf_num)++;
-			}
-
-			codec_port_old2 = codec_port_old;
-			continue;
-		}
-
-		(*dais_num)++;
-		codec_port_old = codec_port;
-	}
-}
-
-static int asoc_graph_card_probe(struct platform_device *pdev)
-{
-	struct graph_card_data *priv;
-	struct snd_soc_dai_link *dai_link;
-	struct graph_dai_props *dai_props;
-	struct asoc_simple_dai *dais;
-	struct device *dev = &pdev->dev;
-	struct snd_soc_card *card;
-	struct snd_soc_codec_conf *cconf;
-	int lnum = 0, dnum = 0, cnum = 0;
-	int ret, i;
-
-	/* Allocate the private data and the DAI link array */
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	asoc_graph_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 = graph_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_graph_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_graph_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_graph_of_match[] = {
-	{ .compatible = "audio-graph-scu-card", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, asoc_graph_of_match);
-
-static struct platform_driver asoc_graph_card = {
-	.driver = {
-		.name = "asoc-audio-graph-scu-card",
-		.pm = &snd_soc_pm_ops,
-		.of_match_table = asoc_graph_of_match,
-	},
-	.probe = asoc_graph_card_probe,
-	.remove = asoc_graph_card_remove,
-};
-module_platform_driver(asoc_graph_card);
-
-MODULE_ALIAS("platform:asoc-audio-graph-scu-card");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("ASoC Audio Graph SCU Sound Card");
-MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");