From patchwork Fri Jan 27 16:51:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Binding X-Patchwork-Id: 49501 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp933778wrn; Fri, 27 Jan 2023 08:53:15 -0800 (PST) X-Google-Smtp-Source: AMrXdXvq/7aNxk/YGyNkMAStSrSqWfITfM1VZzoROFGS0NGT1d1V3vObSuJhweQrgkncHrJCt4zC X-Received: by 2002:a17:902:c948:b0:194:6414:12e1 with SMTP id i8-20020a170902c94800b00194641412e1mr54434325pla.25.1674838394983; Fri, 27 Jan 2023 08:53:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674838394; cv=none; d=google.com; s=arc-20160816; b=eieRVEMS3fOGn7hxBeMU8wKjkRJIULPgBqLQs6iLdeIaQMjsipf7C47oFSO+83jsOv tdHh/Jx72TECe2LY2qZuSIv78pb5sS+0TAxXQIu9cGHHhO/AEw7jAGadl4CEFFvl79l0 Ly8C+VbCY9Qt89XAFNbJMTecgMb1PBHRDV2S2bmxDqietvaeX/u5wvxAJLq7+US97Eoo GvVsG8UnxBU+zy9p7Iz9L9ZFttQlKT30FxuWyORdB2hkTpW/9ai1thx9TykCJUvURHvp j70Nto7s+2wXtt8A49brucZidVlgpYkUIO8yyB1v/eqUhVVFGyxE3e1GJ4fbBr8xHVg/ ORbw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=TTC47bgNB45idzSbfNOI1xh6OyXSxo6PonYazO3r2IQ=; b=xxhg130JqOHyg5ordG5v34mtG4klhvKi0YTShk3R6CUhUqNycaVR3ed+2xyyOBO7Nw rMkOyl9iNMEdwZgkEnnxsjMh5TMvkIliKdN2zFASNJwRdirjLR+7ygqw/wgt98kiF3Gj h/WYMWOdafobgZVsWweOZAKfeX9hBzALDBqdYBr7UV9Y5Q8REpz2WM57HgX+GZpj4DQ8 BAo9l1ciXyvrS3zQjSXq0C3iZxIq8T3uOLXLgBCxnOJ8FEQ6MNtiHcPNHVyQY7GeFFOZ if0LhdaayJNYdBBo/zNrArLfi5TWiLRcb5mGWtFZXjNeCAyDlLJ1N3ClhLoIfEweRMK1 usvw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@cirrus.com header.s=PODMain02222019 header.b=W+U8v1iA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=cirrus.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id e19-20020a170902f11300b001949482830esi4632438plb.414.2023.01.27.08.53.02; Fri, 27 Jan 2023 08:53:14 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@cirrus.com header.s=PODMain02222019 header.b=W+U8v1iA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=cirrus.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234449AbjA0Qvz (ORCPT + 99 others); Fri, 27 Jan 2023 11:51:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbjA0Qvl (ORCPT ); Fri, 27 Jan 2023 11:51:41 -0500 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C07077DBF6 for ; Fri, 27 Jan 2023 08:51:39 -0800 (PST) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30R9k8LT030633; Fri, 27 Jan 2023 10:51:32 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=TTC47bgNB45idzSbfNOI1xh6OyXSxo6PonYazO3r2IQ=; b=W+U8v1iAzlM2Qo3qLFTrqO78YQEbqmtzJjVSU3y26v08lbhWVjctvJvyC2aGbhRISA// qLSCeIdyn192e3vX5vNQeSSV9TxsXl4Ppc18JvUrbh0szkYmPdM9anYv/OcuITEy3MgF U4XfVhLlQAW1RdM8MA5i2Jmt5TxCafEz2AU/isebaCbZApVKDew6J/2A0hyDxvuU9PPC i/kicHTuoIUomp2ctYCkmNV/9SUaSxBiXdyv0NLoszSQT4SlzjK+kL14h2w3CFZRvtI4 MLdN+RNgBEXDvkNjiJVOwFkdS9KuqQfbUZPWb3/KAaZtN9TNP0CcylYnuN9SmTAH6D1S mQ== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3n8dbsvrd1-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 27 Jan 2023 10:51:32 -0600 Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.21; Fri, 27 Jan 2023 10:51:28 -0600 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.7 via Frontend Transport; Fri, 27 Jan 2023 10:51:28 -0600 Received: from sbinding-cirrus-dsktp2.ad.cirrus.com (unknown [198.90.202.160]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id D2DD7475; Fri, 27 Jan 2023 16:51:28 +0000 (UTC) From: Stefan Binding To: Vinod Koul , Bard Liao , Mark Brown , Pierre-Louis Bossart CC: , , , Richard Fitzgerald , Stefan Binding Subject: [PATCH v3 4/8] ASoC: cs42l42: Separate ASP config from PLL config Date: Fri, 27 Jan 2023 16:51:07 +0000 Message-ID: <20230127165111.3010960-5-sbinding@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230127165111.3010960-1-sbinding@opensource.cirrus.com> References: <20230127165111.3010960-1-sbinding@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: TeXrXISvG1BSgFQ0Xsy-DAS6qgxsMEjZ X-Proofpoint-GUID: TeXrXISvG1BSgFQ0Xsy-DAS6qgxsMEjZ X-Proofpoint-Spam-Reason: safe X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756195345022309016?= X-GMAIL-MSGID: =?utf-8?q?1756195345022309016?= From: Richard Fitzgerald Setup of the ASP (audio serial port) was being done as a side-effect of cs42l42_pll_config() and forces a restriction on the ratio of sample_rate to bit_clock that is invalid for Soundwire. Move the ASP setup into a dedicated function. Signed-off-by: Richard Fitzgerald Signed-off-by: Stefan Binding Reviewed-by: Pierre-Louis Bossart --- sound/soc/codecs/cs42l42.c | 81 +++++++++++++++++++++----------------- sound/soc/codecs/cs42l42.h | 1 - 2 files changed, 44 insertions(+), 38 deletions(-) diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 939f8bcc222c0..d81c6eb1c1e59 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -658,7 +658,6 @@ static int cs42l42_pll_config(struct snd_soc_component *component, unsigned int { struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component); int i; - u32 fsync; /* Don't reconfigure if there is an audio stream running */ if (cs42l42->stream_use) { @@ -684,40 +683,6 @@ static int cs42l42_pll_config(struct snd_soc_component *component, unsigned int (pll_ratio_table[i].mclk_int != 24000000)) << CS42L42_INTERNAL_FS_SHIFT); - - /* Set up the LRCLK */ - fsync = clk / cs42l42->srate; - if (((fsync * cs42l42->srate) != clk) - || ((fsync % 2) != 0)) { - dev_err(component->dev, - "Unsupported sclk %d/sample rate %d\n", - clk, - cs42l42->srate); - return -EINVAL; - } - /* Set the LRCLK period */ - snd_soc_component_update_bits(component, - CS42L42_FSYNC_P_LOWER, - CS42L42_FSYNC_PERIOD_MASK, - CS42L42_FRAC0_VAL(fsync - 1) << - CS42L42_FSYNC_PERIOD_SHIFT); - snd_soc_component_update_bits(component, - CS42L42_FSYNC_P_UPPER, - CS42L42_FSYNC_PERIOD_MASK, - CS42L42_FRAC1_VAL(fsync - 1) << - CS42L42_FSYNC_PERIOD_SHIFT); - /* Set the LRCLK to 50% duty cycle */ - fsync = fsync / 2; - snd_soc_component_update_bits(component, - CS42L42_FSYNC_PW_LOWER, - CS42L42_FSYNC_PULSE_WIDTH_MASK, - CS42L42_FRAC0_VAL(fsync - 1) << - CS42L42_FSYNC_PULSE_WIDTH_SHIFT); - snd_soc_component_update_bits(component, - CS42L42_FSYNC_PW_UPPER, - CS42L42_FSYNC_PULSE_WIDTH_MASK, - CS42L42_FRAC1_VAL(fsync - 1) << - CS42L42_FSYNC_PULSE_WIDTH_SHIFT); if (pll_ratio_table[i].mclk_src_sel == 0) { /* Pass the clock straight through */ snd_soc_component_update_bits(component, @@ -809,6 +774,46 @@ static void cs42l42_src_config(struct snd_soc_component *component, unsigned int fs << CS42L42_CLK_OASRC_SEL_SHIFT); } +static int cs42l42_asp_config(struct snd_soc_component *component, + unsigned int sclk, unsigned int sample_rate) +{ + u32 fsync = sclk / sample_rate; + + /* Set up the LRCLK */ + if (((fsync * sample_rate) != sclk) || ((fsync % 2) != 0)) { + dev_err(component->dev, + "Unsupported sclk %d/sample rate %d\n", + sclk, + sample_rate); + return -EINVAL; + } + /* Set the LRCLK period */ + snd_soc_component_update_bits(component, + CS42L42_FSYNC_P_LOWER, + CS42L42_FSYNC_PERIOD_MASK, + CS42L42_FRAC0_VAL(fsync - 1) << + CS42L42_FSYNC_PERIOD_SHIFT); + snd_soc_component_update_bits(component, + CS42L42_FSYNC_P_UPPER, + CS42L42_FSYNC_PERIOD_MASK, + CS42L42_FRAC1_VAL(fsync - 1) << + CS42L42_FSYNC_PERIOD_SHIFT); + /* Set the LRCLK to 50% duty cycle */ + fsync = fsync / 2; + snd_soc_component_update_bits(component, + CS42L42_FSYNC_PW_LOWER, + CS42L42_FSYNC_PULSE_WIDTH_MASK, + CS42L42_FRAC0_VAL(fsync - 1) << + CS42L42_FSYNC_PULSE_WIDTH_SHIFT); + snd_soc_component_update_bits(component, + CS42L42_FSYNC_PW_UPPER, + CS42L42_FSYNC_PULSE_WIDTH_MASK, + CS42L42_FRAC1_VAL(fsync - 1) << + CS42L42_FSYNC_PULSE_WIDTH_SHIFT); + + return 0; +} + static int cs42l42_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_component *component = codec_dai->component; @@ -904,8 +909,6 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, unsigned int bclk; int ret; - cs42l42->srate = params_rate(params); - if (cs42l42->bclk_ratio) { /* machine driver has set the BCLK/samp-rate ratio */ bclk = cs42l42->bclk_ratio * params_rate(params); @@ -966,6 +969,10 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, if (ret) return ret; + ret = cs42l42_asp_config(component, bclk, sample_rate); + if (ret) + return ret; + cs42l42_src_config(component, sample_rate); return 0; diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index a721366641127..17aab06adc8e6 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -36,7 +36,6 @@ struct cs42l42_private { int pll_config; u32 sclk; u32 bclk_ratio; - u32 srate; u8 plug_state; u8 hs_type; u8 ts_inv;