From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable 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 7BF29C33CA2 for ; Wed, 20 Nov 2019 15:29:12 +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 09B4B2068E for ; Wed, 20 Nov 2019 15:29:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="DJlY63BV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09B4B2068E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@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 52666170C; Wed, 20 Nov 2019 16:28:20 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 52666170C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1574263750; bh=KIusMBDY5c3CxcXrNyD3oDItYhItQp0UwVoGVSSI8w0=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=DJlY63BVK6Z/0oe4iP+z8KjRA+2GoWDR7toEGgV8MgOZ44OBsbkys2G543//yXy1V Yl+W/iDoYEimfZ5JGMyO5pQlsxW6bKDIossFS/3XHE97hbNUbwJHCf6Ihk6KsqjIkZ Jjve2MzK8T4l9tIS7ZBiToYvNyi30kjIAXZAi3ic= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 726A4F801F8; Wed, 20 Nov 2019 16:24:29 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0BD74F80161; Wed, 20 Nov 2019 16:24:25 +0100 (CET) Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) (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 06C59F8014E for ; Wed, 20 Nov 2019 16:24:13 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 06C59F8014E Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id 6D9162910F0 Received: by earth.universe (Postfix, from userid 1000) id 35C833C0C7C; Wed, 20 Nov 2019 16:24:08 +0100 (CET) From: Sebastian Reichel To: Adam Thomson , Support Opensource , Liam Girdwood , Mark Brown Date: Wed, 20 Nov 2019 16:24:06 +0100 Message-Id: <20191120152406.2744-7-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191120152406.2744-1-sebastian.reichel@collabora.com> References: <20191120152406.2744-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Takashi Iwai , linux-kernel@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [alsa-devel] [PATCHv2 6/6] ASoC: da7213: Add default clock handling 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This adds default clock/PLL configuration to the driver for usage with generic drivers like simple-card for usage with a fixed rate clock. Signed-off-by: Sebastian Reichel --- sound/soc/codecs/da7213.c | 75 ++++++++++++++++++++++++++++++++++++--- sound/soc/codecs/da7213.h | 2 ++ 2 files changed, 73 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c index 3e6ad996741b..ff1a936240be 100644 --- a/sound/soc/codecs/da7213.c +++ b/sound/soc/codecs/da7213.c @@ -1156,6 +1156,7 @@ static int da7213_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); u8 dai_ctrl = 0; u8 fs; @@ -1181,33 +1182,43 @@ static int da7213_hw_params(struct snd_pcm_substream *substream, switch (params_rate(params)) { case 8000: fs = DA7213_SR_8000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; case 11025: fs = DA7213_SR_11025; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; break; case 12000: fs = DA7213_SR_12000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; case 16000: fs = DA7213_SR_16000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; case 22050: fs = DA7213_SR_22050; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; break; case 32000: fs = DA7213_SR_32000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; case 44100: fs = DA7213_SR_44100; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; break; case 48000: fs = DA7213_SR_48000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; case 88200: fs = DA7213_SR_88200; + da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800; break; case 96000: fs = DA7213_SR_96000; + da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000; break; default: return -EINVAL; @@ -1392,9 +1403,9 @@ static int da7213_set_component_sysclk(struct snd_soc_component *component, } /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */ -static int da7213_set_component_pll(struct snd_soc_component *component, - int pll_id, int source, - unsigned int fref, unsigned int fout) +static int _da7213_set_component_pll(struct snd_soc_component *component, + int pll_id, int source, + unsigned int fref, unsigned int fout) { struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); @@ -1503,6 +1514,16 @@ static int da7213_set_component_pll(struct snd_soc_component *component, return 0; } +static int da7213_set_component_pll(struct snd_soc_component *component, + int pll_id, int source, + unsigned int fref, unsigned int fout) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + da7213->fixed_clk_auto_pll = false; + + return _da7213_set_component_pll(component, pll_id, source, fref, fout); +} + /* DAI operations */ static const struct snd_soc_dai_ops da7213_dai_ops = { .hw_params = da7213_hw_params, @@ -1532,6 +1553,43 @@ static struct snd_soc_dai_driver da7213_dai = { .symmetric_rates = 1, }; +static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable) +{ + struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + int mode; + + if (!da7213->fixed_clk_auto_pll) + return 0; + + da7213->mclk_rate = clk_get_rate(da7213->mclk); + + if (enable) + mode = DA7213_SYSCLK_PLL; + else + mode = DA7213_SYSCLK_MCLK; + + switch (da7213->out_rate) { + case DA7213_PLL_FREQ_OUT_90316800: + if (da7213->mclk_rate == 11289600 || + da7213->mclk_rate == 22579200 || + da7213->mclk_rate == 45158400) + mode = DA7213_SYSCLK_MCLK; + break; + case DA7213_PLL_FREQ_OUT_98304000: + if (da7213->mclk_rate == 12288000 || + da7213->mclk_rate == 24576000 || + da7213->mclk_rate == 49152000) + mode = DA7213_SYSCLK_MCLK; + + break; + default: + return -1; + } + + return _da7213_set_component_pll(component, 0, mode, + da7213->mclk_rate, da7213->out_rate); +} + static int da7213_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { @@ -1551,6 +1609,8 @@ static int da7213_set_bias_level(struct snd_soc_component *component, "Failed to enable mclk\n"); return ret; } + + da7213_set_auto_pll(component, true); } } break; @@ -1562,8 +1622,10 @@ static int da7213_set_bias_level(struct snd_soc_component *component, DA7213_VMID_EN | DA7213_BIAS_EN); } else { /* Remove MCLK */ - if (da7213->mclk) + if (da7213->mclk) { + da7213_set_auto_pll(component, false); clk_disable_unprepare(da7213->mclk); + } } break; case SND_SOC_BIAS_OFF: @@ -1829,6 +1891,11 @@ static int da7213_probe(struct snd_soc_component *component) return PTR_ERR(da7213->mclk); else da7213->mclk = NULL; + } else { + /* Do automatic PLL handling assuming fixed clock until + * set_pll() has been called. This makes the codec usable + * with the simple-audio-card driver. */ + da7213->fixed_clk_auto_pll = true; } return 0; diff --git a/sound/soc/codecs/da7213.h b/sound/soc/codecs/da7213.h index 3890829dfb6e..97ccf0ddd2be 100644 --- a/sound/soc/codecs/da7213.h +++ b/sound/soc/codecs/da7213.h @@ -535,10 +535,12 @@ struct da7213_priv { struct regulator_bulk_data supplies[DA7213_NUM_SUPPLIES]; struct clk *mclk; unsigned int mclk_rate; + unsigned int out_rate; int clk_src; bool master; bool alc_calib_auto; bool alc_en; + bool fixed_clk_auto_pll; struct da7213_platform_data *pdata; }; -- 2.24.0 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel