From patchwork Fri Sep 10 01:22:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 12484219 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7A30C433F5 for ; Fri, 10 Sep 2021 01:25:52 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 543A7610F8 for ; Fri, 10 Sep 2021 01:25:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 543A7610F8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id EDF0F16C6; Fri, 10 Sep 2021 03:25:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz EDF0F16C6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1631237151; bh=G2veo45oDqfNF47lm21T/DC17CkfsDWgmLc43EZt+2g=; h=Date:From:Subject:To:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=GzP7s98roFsTOmXJOWWAyWzu8AYhE9wyPJfyN31JLO+UuuLNsoz8J5hoYzCH2wrNA QmLVRXtyOVLSyicCwvKxf/iYntEZ0PxNnHmZcb/kJtq+HP6efMh2GH/Vv64u+jc6sg 8dgu1AORp/4AiYQJUQTpa8H7CA4Er9y5gC4CsdWE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 7016BF8051E; Fri, 10 Sep 2021 03:22:49 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 021CBF80525; Fri, 10 Sep 2021 03:22:47 +0200 (CEST) Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by alsa1.perex.cz (Postfix) with ESMTP id 9C24CF8051E for ; Fri, 10 Sep 2021 03:22:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9C24CF8051E Date: 10 Sep 2021 10:22:43 +0900 X-IronPort-AV: E=Sophos;i="5.85,282,1624287600"; d="scan'208";a="93467549" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 10 Sep 2021 10:22:43 +0900 Received: from mercury.renesas.com (unknown [10.166.252.133]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id E68BA4017D79; Fri, 10 Sep 2021 10:22:43 +0900 (JST) Message-ID: <87fsudusv0.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v3 10/16] ASoC: add Rich Graph Card Custom Sample User-Agent: Wanderlust/2.15.9 Emacs/26.3 Mule/6.0 To: Mark Brown In-Reply-To: <87tuitusy4.wl-kuninori.morimoto.gx@renesas.com> References: <87tuitusy4.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Kuninori Morimoto rich-graph-card has customizing support. This means user can re-use rich-graph-card DT parsing, and possible to expand to own special handling. This patch adds Rich Graph Card's Customize Sample Driver. It can re-use rich-graph-card parsing by calling rich_graph_parse_of(...), and user can expand each functions by using hooks. Signed-off-by: Kuninori Morimoto --- sound/soc/generic/Kconfig | 6 + sound/soc/generic/Makefile | 2 + sound/soc/generic/rich-custom-card-sample.c | 174 ++++++++++++++++++++ 3 files changed, 182 insertions(+) create mode 100644 sound/soc/generic/rich-custom-card-sample.c diff --git a/sound/soc/generic/Kconfig b/sound/soc/generic/Kconfig index 8af35415d162..4caf6c007752 100644 --- a/sound/soc/generic/Kconfig +++ b/sound/soc/generic/Kconfig @@ -26,6 +26,12 @@ config SND_RICH_GRAPH_CARD This option enables generic rich graph card support with OF-graph DT bindings. +config SND_RICH_CUSTOM_CARD_SAMPLE + tristate "ASoC Audio Rich Graph Card base custom card sample support" + depends on SND_RICH_GRAPH_CARD + help + This option enables Audio Rich Graph Card base custom card support + config SND_TEST_COMPONENT tristate "ASoC Test component sound support" depends on OF diff --git a/sound/soc/generic/Makefile b/sound/soc/generic/Makefile index 60a2e90a4a6b..030ab7e83483 100644 --- a/sound/soc/generic/Makefile +++ b/sound/soc/generic/Makefile @@ -4,9 +4,11 @@ snd-soc-simple-card-objs := simple-card.o snd-soc-audio-graph-card-objs := audio-graph-card.o snd-soc-rich-graph-card-objs := rich-graph-card.o snd-soc-test-component-objs := test-component.o +snd-soc-rich-custom-card-sample-objs := rich-custom-card-sample.o obj-$(CONFIG_SND_SIMPLE_CARD_UTILS) += snd-soc-simple-card-utils.o obj-$(CONFIG_SND_SIMPLE_CARD) += snd-soc-simple-card.o obj-$(CONFIG_SND_AUDIO_GRAPH_CARD) += snd-soc-audio-graph-card.o obj-$(CONFIG_SND_RICH_GRAPH_CARD) += snd-soc-rich-graph-card.o obj-$(CONFIG_SND_TEST_COMPONENT) += snd-soc-test-component.o +obj-$(CONFIG_SND_RICH_CUSTOM_CARD_SAMPLE) += snd-soc-rich-custom-card-sample.o diff --git a/sound/soc/generic/rich-custom-card-sample.c b/sound/soc/generic/rich-custom-card-sample.c new file mode 100644 index 000000000000..6b9bc0393f60 --- /dev/null +++ b/sound/soc/generic/rich-custom-card-sample.c @@ -0,0 +1,174 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// rich-custom-card-sample.c +// +// Copyright (C) 2020 Renesas Electronics Corp. +// Copyright (C) 2020 Kuninori Morimoto +// +#include +#include +#include +#include + +/* + * Custom driver can have own priv + * which includes asoc_simple_priv. + */ +struct custom_priv { + struct asoc_simple_priv simple_priv; + + /* custom driver's own params */ + int custom_params; +}; + +/* You can get custom_priv from simple_priv */ +#define simple_to_custom(simple) container_of((simple), struct custom_priv, simple_priv) + +static int custom_card_probe(struct snd_soc_card *card) +{ + struct asoc_simple_priv *simple_priv = snd_soc_card_get_drvdata(card); + struct custom_priv *custom_priv = simple_to_custom(simple_priv); + struct device *dev = simple_priv_to_dev(simple_priv); + + dev_info(dev, "custom probe\n"); + + custom_priv->custom_params = 1; + + /* you can use generic probe function */ + return asoc_graph_card_probe(card); +} + +static int custom_hook_pre(struct asoc_simple_priv *priv) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* You can custom before parsing */ + dev_info(dev, "hook : %s\n", __func__); + + return 0; +} + +static int custom_hook_post(struct asoc_simple_priv *priv) +{ + struct device *dev = simple_priv_to_dev(priv); + struct snd_soc_card *card; + + /* You can custom after parsing */ + dev_info(dev, "hook : %s\n", __func__); + + card = simple_priv_to_card(priv); + card->probe = custom_card_probe; /* overwrite .probe */ + + return 0; +} + +static int custom_normal(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* You can custom for DPCM parsing */ + dev_info(dev, "hook : %s\n", __func__); + + return rich_graph_link_dpcm(priv, lnk, li); +} + + +static int custom_dpcm(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* You can custom for DPCM parsing */ + dev_info(dev, "hook : %s\n", __func__); + + return rich_graph_link_dpcm(priv, lnk, li); +} + +static int custom_c2c(struct asoc_simple_priv *priv, + struct device_node *lnk, + struct link_info *li) +{ + struct device *dev = simple_priv_to_dev(priv); + + /* You can custom for Codec2Codec parsing */ + dev_info(dev, "hook : %s\n", __func__); + + return rich_graph_link_c2c(priv, lnk, li); +} + +/* + * rich-graph-card has many hooks for your customizing. + */ +static struct graph_custom_hooks custom_hooks = { + .hook_pre = custom_hook_pre, + .hook_post = custom_hook_post, + .custom_normal = custom_normal, + .custom_dpcm = custom_dpcm, + .custom_c2c = custom_c2c, +}; + +static int custom_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct asoc_simple_priv *priv = snd_soc_card_get_drvdata(rtd->card); + struct device *dev = simple_priv_to_dev(priv); + + dev_info(dev, "custom startup\n"); + + return asoc_simple_startup(substream); +} + +/* You can use custom ops */ +static const struct snd_soc_ops custom_ops = { + .startup = custom_startup, + .shutdown = asoc_simple_shutdown, + .hw_params = asoc_simple_hw_params, +}; + +static int custom_probe(struct platform_device *pdev) +{ + struct custom_priv *custom_priv; + struct asoc_simple_priv *simple_priv; + struct device *dev = &pdev->dev; + int ret; + + custom_priv = devm_kzalloc(dev, sizeof(*custom_priv), GFP_KERNEL); + if (!custom_priv) + return -ENOMEM; + + simple_priv = &custom_priv->simple_priv; + simple_priv->ops = &custom_ops; /* customize dai_link ops */ + + /* use rich-graph-card parsing with own custom hooks */ + ret = rich_graph_parse_of(simple_priv, dev, &custom_hooks); + if (ret < 0) + return ret; + + /* customize more if needed */ + + return 0; +} + +static const struct of_device_id custom_of_match[] = { + { .compatible = "rich-custom-card-sample", }, + {}, +}; +MODULE_DEVICE_TABLE(of, custom_of_match); + +static struct platform_driver custom_card = { + .driver = { + .name = "rich-custom-card-sample", + .of_match_table = custom_of_match, + }, + .probe = custom_probe, + .remove = asoc_simple_remove, +}; +module_platform_driver(custom_card); + +MODULE_ALIAS("platform:asoc-rich-custom-card-sample"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ASoC Rich Custom Card Sample"); +MODULE_AUTHOR("Kuninori Morimoto ");