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Diffstat (limited to 'sound/soc/generic/simple-scu-card.c')
-rw-r--r--sound/soc/generic/simple-scu-card.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/sound/soc/generic/simple-scu-card.c b/sound/soc/generic/simple-scu-card.c
deleted file mode 100644
index a75b385455c4..000000000000
--- a/sound/soc/generic/simple-scu-card.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * 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
- *
- * 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/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 snd_soc_codec_conf codec_conf;
- struct asoc_simple_dai *dai_props;
- struct snd_soc_dai_link *dai_link;
- struct asoc_simple_card_data adata;
-};
-
-#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 asoc_simple_dai *dai_props =
- simple_priv_to_props(priv, rtd->num);
-
- return asoc_simple_card_clk_enable(dai_props);
-}
-
-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 asoc_simple_dai *dai_props =
- simple_priv_to_props(priv, rtd->num);
-
- asoc_simple_card_clk_disable(dai_props);
-}
-
-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 snd_soc_dai *dai;
- struct snd_soc_dai_link *dai_link;
- struct asoc_simple_dai *dai_props;
- int num = rtd->num;
-
- dai_link = simple_priv_to_link(priv, num);
- dai_props = simple_priv_to_props(priv, num);
- dai = dai_link->dynamic ?
- rtd->cpu_dai :
- rtd->codec_dai;
-
- return asoc_simple_card_init_dai(dai, dai_props);
-}
-
-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);
-
- asoc_simple_card_convert_fixup(&priv->adata, params);
-
- return 0;
-}
-
-static int asoc_simple_card_dai_link_of(struct device_node *np,
- struct simple_card_data *priv,
- unsigned int daifmt,
- int idx, bool is_fe)
-{
- struct device *dev = simple_priv_to_dev(priv);
- struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
- struct asoc_simple_dai *dai_props = simple_priv_to_props(priv, idx);
- struct snd_soc_card *card = simple_priv_to_card(priv);
- int ret;
-
- if (is_fe) {
- int is_single_links = 0;
-
- /* BE is dummy */
- dai_link->codec_of_node = NULL;
- dai_link->codec_dai_name = "snd-soc-dummy-dai";
- dai_link->codec_name = "snd-soc-dummy";
-
- /* FE settings */
- dai_link->dynamic = 1;
- dai_link->dpcm_merged_format = 1;
-
- 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_props);
- 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 {
- /* 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;
-
- 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_props);
- if (ret < 0)
- return ret;
-
- ret = asoc_simple_card_set_dailink_name(dev, dai_link,
- "be.%s",
- dai_link->codec_dai_name);
- if (ret < 0)
- return ret;
-
- snd_soc_of_parse_audio_prefix(card,
- &priv->codec_conf,
- dai_link->codec_of_node,
- PREFIX "prefix");
- }
-
- ret = asoc_simple_card_of_parse_tdm(np, dai_props);
- if (ret)
- return ret;
-
- ret = asoc_simple_card_canonicalize_dailink(dai_link);
- if (ret < 0)
- return ret;
-
- dai_link->dai_fmt = daifmt;
- 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 *np;
- struct snd_soc_card *card = simple_priv_to_card(priv);
- struct device_node *node = dev->of_node;
- unsigned int daifmt = 0;
- bool is_fe;
- int ret, i;
-
- if (!node)
- return -EINVAL;
-
- ret = asoc_simple_card_of_parse_routing(card, PREFIX, 0);
- if (ret < 0)
- return ret;
-
- asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata);
-
- /* find 1st codec */
- np = of_get_child_by_name(node, PREFIX "codec");
- if (!np)
- return -ENODEV;
-
- ret = asoc_simple_card_parse_daifmt(dev, node, np, PREFIX, &daifmt);
- if (ret < 0)
- return ret;
-
- i = 0;
- for_each_child_of_node(node, np) {
- is_fe = false;
- if (strcmp(np->name, PREFIX "cpu") == 0)
- is_fe = true;
-
- ret = asoc_simple_card_dai_link_of(np, priv, daifmt, i, is_fe);
- if (ret < 0)
- return ret;
- i++;
- }
-
- ret = asoc_simple_card_parse_card_name(card, PREFIX);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int asoc_simple_card_probe(struct platform_device *pdev)
-{
- struct simple_card_data *priv;
- struct snd_soc_dai_link *dai_link;
- struct asoc_simple_dai *dai_props;
- struct snd_soc_card *card;
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- int num, ret;
-
- /* Allocate the private data */
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- num = of_get_child_count(np);
-
- dai_props = devm_kzalloc(dev, sizeof(*dai_props) * num, GFP_KERNEL);
- dai_link = devm_kzalloc(dev, sizeof(*dai_link) * num, GFP_KERNEL);
- if (!dai_props || !dai_link)
- return -ENOMEM;
-
- priv->dai_props = dai_props;
- priv->dai_link = dai_link;
-
- /* 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 = num;
- card->codec_conf = &priv->codec_conf;
- card->num_configs = 1;
-
- 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",
- .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>");
generated by cgit (git 2.34.1) at 2025-12-26 13:25:47 +0000