From patchwork Thu Jan 5 08:16:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Trevor Wu X-Patchwork-Id: 639511 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5957C5479D for ; Thu, 5 Jan 2023 08:18:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229631AbjAEIS4 (ORCPT ); Thu, 5 Jan 2023 03:18:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231474AbjAEIRc (ORCPT ); Thu, 5 Jan 2023 03:17:32 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84B255A8B4; Thu, 5 Jan 2023 00:16:44 -0800 (PST) X-UUID: f84a76709cac4fe58ce5d09bd5ca5e2a-20230105 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=QsXVaBlLyZgLe3Omky45vD7Ia8dAb9dNk+EXoNiFXQE=; b=EzSv6VLTq38BlG6Xa9zJvnGg+osImP5MgLFGWw4gxN0Vf1nE715mHLmxjVzh5fk9sBgAQaGuqwRY2C+/aQxCATvH8giZLA/Q0vI8ke4au1NpZFiLOJWze5A2vhOIO+3j0rZO0ep8uUIMKYTNlG2KHwoMzXflAgqhXCHXTD58EL8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17, REQID:325c84ec-9f07-48b1-b61e-6d138f47913f, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:95 X-CID-INFO: VERSION:1.1.17, REQID:325c84ec-9f07-48b1-b61e-6d138f47913f, IP:0, URL :0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTION :quarantine,TS:95 X-CID-META: VersionHash:543e81c, CLOUDID:fd2eb953-dd49-462e-a4be-2143a3ddc739, B ulkID:230105161620SEYMO38N,BulkQuantity:0,Recheck:0,SF:38|28|17|19|48,TC:n il,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0 X-CID-BVR: 0,NGT X-UUID: f84a76709cac4fe58ce5d09bd5ca5e2a-20230105 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1343025869; Thu, 05 Jan 2023 16:16:18 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Thu, 5 Jan 2023 16:16:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 5 Jan 2023 16:16:16 +0800 From: Trevor Wu To: , , , , , , , CC: , , , , , , , Subject: [PATCH v5 11/13] ASoC: mediatek: common: add soundcard driver common code Date: Thu, 5 Jan 2023 16:16:04 +0800 Message-ID: <20230105081606.6582-12-trevor.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230105081606.6582-1-trevor.wu@mediatek.com> References: <20230105081606.6582-1-trevor.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add common code to support of_node of codec parsing, so codec phandle can be assigned by sound-dai in dts. Signed-off-by: Trevor Wu --- sound/soc/mediatek/common/Makefile | 2 +- .../mediatek/common/mtk-soundcard-driver.c | 79 +++++++++++++++++++ .../mediatek/common/mtk-soundcard-driver.h | 14 ++++ 3 files changed, 94 insertions(+), 1 deletion(-) create mode 100644 sound/soc/mediatek/common/mtk-soundcard-driver.c create mode 100644 sound/soc/mediatek/common/mtk-soundcard-driver.h diff --git a/sound/soc/mediatek/common/Makefile b/sound/soc/mediatek/common/Makefile index 576deb7f8cce..42e636c10c1e 100644 --- a/sound/soc/mediatek/common/Makefile +++ b/sound/soc/mediatek/common/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 # platform driver -snd-soc-mtk-common-objs := mtk-afe-platform-driver.o mtk-afe-fe-dai.o mtk-dsp-sof-common.o +snd-soc-mtk-common-objs := mtk-afe-platform-driver.o mtk-afe-fe-dai.o mtk-dsp-sof-common.o mtk-soundcard-driver.o obj-$(CONFIG_SND_SOC_MEDIATEK) += snd-soc-mtk-common.o obj-$(CONFIG_SND_SOC_MTK_BTCVSD) += mtk-btcvsd.o diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.c b/sound/soc/mediatek/common/mtk-soundcard-driver.c new file mode 100644 index 000000000000..7c55c2cb1f21 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-soundcard-driver.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * mtk-soundcard-driver.c -- MediaTek soundcard driver common + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Trevor Wu + */ + +#include +#include +#include + +#include "mtk-soundcard-driver.h" + +static int set_card_codec_info(struct snd_soc_card *card, + struct device_node *sub_node, + struct snd_soc_dai_link *dai_link) +{ + struct device *dev = card->dev; + struct device_node *codec_node; + int ret; + + codec_node = of_get_child_by_name(sub_node, "codec"); + if (!codec_node) + return -EINVAL; + + /* set card codec info */ + ret = snd_soc_of_get_dai_link_codecs(dev, codec_node, dai_link); + + of_node_put(codec_node); + + if (ret < 0) + return dev_err_probe(dev, ret, "%s: codec dai not found\n", + dai_link->name); + + return 0; +} + +int parse_dai_link_info(struct snd_soc_card *card) +{ + struct device *dev = card->dev; + struct device_node *sub_node; + struct snd_soc_dai_link *dai_link; + const char *dai_link_name; + int ret, i; + + /* Loop over all the dai link sub nodes */ + for_each_available_child_of_node(dev->of_node, sub_node) { + if (of_property_read_string(sub_node, "link-name", + &dai_link_name)) + return -EINVAL; + + for_each_card_prelinks(card, i, dai_link) { + if (!strcmp(dai_link_name, dai_link->name)) + break; + } + + if (i >= card->num_links) + return -EINVAL; + + ret = set_card_codec_info(card, sub_node, dai_link); + if (ret < 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(parse_dai_link_info); + +void clean_card_reference(struct snd_soc_card *card) +{ + struct snd_soc_dai_link *dai_link; + int i; + + /* release codec reference gotten by set_card_codec_info */ + for_each_card_prelinks(card, i, dai_link) + snd_soc_of_put_dai_link_codecs(dai_link); +} +EXPORT_SYMBOL_GPL(clean_card_reference); diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.h b/sound/soc/mediatek/common/mtk-soundcard-driver.h new file mode 100644 index 000000000000..d92cac1d7b72 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-soundcard-driver.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * mtk-soundcard-driver.h -- MediaTek soundcard driver common definition + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Trevor Wu + */ + +#ifndef _MTK_SOUNDCARD_DRIVER_H_ +#define _MTK_SOUNDCARD_DRIVER_H_ + +int parse_dai_link_info(struct snd_soc_card *card); +void clean_card_reference(struct snd_soc_card *card); +#endif