From patchwork Thu Sep 8 16:11:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= X-Patchwork-Id: 12970326 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7E237C54EE9 for ; Thu, 8 Sep 2022 16:14:10 +0000 (UTC) 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 C88931740; Thu, 8 Sep 2022 18:13:18 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz C88931740 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1662653648; bh=1m8CobNwZn4GhVwZE+bnolPPFRG5PI3OCAmyya1eAAI=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=vclBufi0imAerXXwrwkFAWRDhRdBoZlc3JsxIFmoRcUC18heYeLjclQ5/IPIfjsiU 81CSZ4WsKmFBDE4hEvPAQxA1y5xffsc/hmvMA+2XeS3hCPNkGJs8VbCRtnp0jfzUYn ftvSpXVQdvVT8knwtdCJUkB0XIKzlydcqwlYg0uY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 63BD7F80535; Thu, 8 Sep 2022 18:12:21 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8CDF4F80558; Thu, 8 Sep 2022 18:12:19 +0200 (CEST) Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D20F9F80535 for ; Thu, 8 Sep 2022 18:12:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D20F9F80535 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="ZXi4qRc1" Received: from notapiano.myfiosgateway.com (unknown [70.107.189.129]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madras.collabora.co.uk (Postfix) with ESMTPSA id BA9846601FB3; Thu, 8 Sep 2022 17:12:05 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1662653526; bh=1m8CobNwZn4GhVwZE+bnolPPFRG5PI3OCAmyya1eAAI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZXi4qRc1Z4CqK2vX59XBgyqXt/EKvwcoMQvhBcNRm9auQetdppCb3o1TMd26hhmQk 5ByJWTReYOHoFECKSxGvFHHj08WqNjQkpkJTvS3pfWc9rMjaH//yttXpb938dSlwpz PAsM/6AZRxa/a3DNTokHEoZi2C3UGwmu13IQ4nND6pqiNVDjNaG0Pam3Hg4NvEH1Mv a3GF4G8PJ3SizXkExy6WEgzRT5xxTcPy3BRg2Xz44nzWegMw2KyOxnCoB9vuxy5KK1 +ojlAq2aBAlL3a7xHdFQ61ozPaeeN1sQbjGMW0GEz7kp9S8C/JwpnkaCm5FA5+Olj1 CBtlDEE0q1FHA== From: =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= To: Mark Brown , Matthias Brugger Subject: [PATCH 04/10] ASoC: mediatek: mt8183: Allow setting shared clocks from machine driver Date: Thu, 8 Sep 2022 12:11:48 -0400 Message-Id: <20220908161154.648557-5-nfraprado@collabora.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220908161154.648557-1-nfraprado@collabora.com> References: <20220908161154.648557-1-nfraprado@collabora.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Liam Girdwood , linux-kernel@vger.kernel.org, Takashi Iwai , linux-mediatek@lists.infradead.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org, AngeloGioacchino Del Regno 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" Add a new function to configure the shared clock between two i2s ports, and export it. This will allow the clock sharing to be set from the machine driver instead of the devicetree. Signed-off-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno --- sound/soc/mediatek/mt8183/mt8183-afe-common.h | 3 +++ sound/soc/mediatek/mt8183/mt8183-dai-i2s.c | 26 +++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/sound/soc/mediatek/mt8183/mt8183-afe-common.h b/sound/soc/mediatek/mt8183/mt8183-afe-common.h index b220e7a7db7e..40ab48c1566c 100644 --- a/sound/soc/mediatek/mt8183/mt8183-afe-common.h +++ b/sound/soc/mediatek/mt8183/mt8183-afe-common.h @@ -99,6 +99,9 @@ unsigned int mt8183_general_rate_transform(struct device *dev, unsigned int mt8183_rate_transform(struct device *dev, unsigned int rate, int aud_blk); +int mt8183_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name, + const char *secondary_i2s_name); + /* dai register */ int mt8183_dai_adda_register(struct mtk_base_afe *afe); int mt8183_dai_pcm_register(struct mtk_base_afe *afe); diff --git a/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c index 138591d71ebd..8902ff608d26 100644 --- a/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c +++ b/sound/soc/mediatek/mt8183/mt8183-dai-i2s.c @@ -1026,6 +1026,32 @@ static int mt8183_dai_i2s_get_share(struct mtk_base_afe *afe) return 0; } +/** + * mt8183_dai_i2s_set_share() - Set up I2S ports to share a single clock. + * @afe: Pointer to &struct mtk_base_afe + * @main_i2s_name: The name of the I2S port that will provide the clock + * @secondary_i2s_name: The name of the I2S port that will use this clock + */ +int mt8183_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name, + const char *secondary_i2s_name) +{ + struct mtk_afe_i2s_priv *secondary_i2s_priv; + int main_i2s_id; + + secondary_i2s_priv = get_i2s_priv_by_name(afe, secondary_i2s_name); + if (!secondary_i2s_priv) + return -EINVAL; + + main_i2s_id = get_i2s_id_by_name(afe, main_i2s_name); + if (main_i2s_id < 0) + return main_i2s_id; + + secondary_i2s_priv->share_i2s_id = main_i2s_id; + + return 0; +} +EXPORT_SYMBOL_GPL(mt8183_dai_i2s_set_share); + static int mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe) { struct mt8183_afe_private *afe_priv = afe->platform_priv;