From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60D8C51009; Mon, 20 May 2024 10:27:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716200842; cv=none; b=q71xgJ4J2fwQoOnW3FdDGc3n3P2hhDtweusiKBF1gyqH4v+i7+joFc41SrlBoz9otbjLt1/eZc3oG9JJDSaYGwWO0alG+Bv6cTLLwnmLj7kQ+ZKPti8oAdwTzkyCw5ftNN0FyITwsmtZWDJlPAw8m2pxMzwDz1bLOnTYtMDBheI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716200842; c=relaxed/simple; bh=KA9MSaTYmZsz++15EAhjV8/xPkgMj2Iybkg4SfBI2OI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Jmk4d7Vn2SjaXA0cwtdL3AVnroWhl+MqzrgUtuIPK6NiAVwiidnCFW+PMIlaC+w6sK1OteJVZALgxcsXaj7I8A/1OtpKAXI9i2lq4gTU9cWygLMOduSUNjiYiPNp3EUf+6AJQZ3HIAxeFNwF/Q0VHimW1q7vwUtqZlCXis5W4CU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=iRPzVxMa; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="iRPzVxMa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1716200840; bh=KA9MSaTYmZsz++15EAhjV8/xPkgMj2Iybkg4SfBI2OI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=iRPzVxMaplz58k8R5qeUrwqpiMOCYFtZ+rIBE+qrf+71XXrIdgQFz8iCGixC9A03W YEG0gDcgHYEe1QcQE+7wCD+c6uAgi//eMq1UQroeGUj5Xnb+Jf2JjLSgnxRY9kZd2U Ws3UwbiC4mD6gMxroFxY1WGRdoKWsOJBbjvSLh0hckBy+Jvz8S+msrfiOR1JjIi2Q2 /x7EHXPLS28yY89kkwK/hJhoBnnoKUG/ELRxL759reaCnfL4eRkcWr4aXqHMmuT5Mh vA0Jv+fkw8WvKdXrEp9iHZgKKjkZgOiVgOZCth1e0Qjw53jHR9qyHlZIaTvn9gmPzv pZXBuAk6Yz29g== Received: from [100.113.186.2] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 9C94D378219E; Mon, 20 May 2024 10:27:18 +0000 (UTC) Message-ID: Date: Mon, 20 May 2024 12:27:18 +0200 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 07/16] ASoC: mediatek: mt8365: Add ADDA DAI support To: Alexandre Mergnat , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Lee Jones , Flora Fu , Jaroslav Kysela , Takashi Iwai , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Catalin Marinas , Will Deacon , Rob Herring , Krzysztof Kozlowski Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org References: <20240226-audio-i350-v4-0-082b22186d4c@baylibre.com> <20240226-audio-i350-v4-7-082b22186d4c@baylibre.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20240226-audio-i350-v4-7-082b22186d4c@baylibre.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 26/04/24 19:22, Alexandre Mergnat ha scritto: > Add ADDA Device Audio Interface support for MT8365 SoC. > > Signed-off-by: Alexandre Mergnat > --- > sound/soc/mediatek/mt8365/mt8365-dai-adda.c | 315 ++++++++++++++++++++++++++++ > 1 file changed, 315 insertions(+) > > diff --git a/sound/soc/mediatek/mt8365/mt8365-dai-adda.c b/sound/soc/mediatek/mt8365/mt8365-dai-adda.c > new file mode 100644 > index 000000000000..65d45010ac90 > --- /dev/null > +++ b/sound/soc/mediatek/mt8365/mt8365-dai-adda.c > @@ -0,0 +1,315 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Mediatek 8365 ALSA SoC Audio DAI ADDA Control > + * > + * Copyright (c) 2024 MediaTek Inc. > + * Authors: Jia Zeng > + * Alexandre Mergnat > + */ > + > +#include > +#include > +#include > +#include "mt8365-afe-clk.h" > +#include "mt8365-afe-common.h" > +#include "../common/mtk-dai-adda-common.h" > + > +static int adda_afe_on_ref_cnt; > + > +/* DAI Drivers */ > + > +static int mt8365_dai_set_adda_out(struct mtk_base_afe *afe, unsigned int rate) > +{ > + unsigned int val; > + if (rate == 8000 || rate == 16000) val = AFE_ADDA_DL_VOICE_DATA; else val = 0; > + switch (rate) { > + case 8000: > + val = AFE_ADDA_DL_VOICE_DATA; > + break; > + case 16000: > + val = AFE_ADDA_DL_VOICE_DATA; > + break; > + default: > + val = 0; > + } > + > + val |= FIELD_PREP(AFE_ADDA_DL_SAMPLING_RATE, > + mtk_adda_dl_rate_transform(afe, rate)); > + val |= AFE_ADDA_DL_8X_UPSAMPLE | > + AFE_ADDA_DL_MUTE_OFF_CH1 | > + AFE_ADDA_DL_MUTE_OFF_CH2 | > + AFE_ADDA_DL_DEGRADE_GAIN; > + > + regmap_update_bits(afe->regmap, AFE_ADDA_PREDIS_CON0, 0xffffffff, 0); > + regmap_update_bits(afe->regmap, AFE_ADDA_PREDIS_CON1, 0xffffffff, 0); > + regmap_update_bits(afe->regmap, AFE_ADDA_DL_SRC2_CON0, 0xffffffff, val); > + /* SA suggest apply -0.3db to audio/speech path */ > + regmap_update_bits(afe->regmap, AFE_ADDA_DL_SRC2_CON1, > + 0xffffffff, 0xf74f0000); > + /* SA suggest use default value for sdm */ > + regmap_update_bits(afe->regmap, AFE_ADDA_DL_SDM_DCCOMP_CON, > + 0xffffffff, 0x0700701e); > + > + return 0; > +} > + > +static int mt8365_dai_set_adda_in(struct mtk_base_afe *afe, unsigned int rate) > +{ > + unsigned int val; > + > + val = FIELD_PREP(AFE_ADDA_UL_SAMPLING_RATE, > + mtk_adda_ul_rate_transform(afe, rate)); > + regmap_update_bits(afe->regmap, AFE_ADDA_UL_SRC_CON0, > + AFE_ADDA_UL_SAMPLING_RATE, val); > + /* Using Internal ADC */ > + regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, 0x1, 0x0); > + > + return 0; > +} > + > +int mt8365_dai_enable_adda_on(struct mtk_base_afe *afe) > +{ > + unsigned long flags; > + struct mt8365_afe_private *afe_priv = afe->platform_priv; > + > + spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags); > + > + adda_afe_on_ref_cnt++; > + if (adda_afe_on_ref_cnt == 1) > + regmap_update_bits(afe->regmap, AFE_ADDA_UL_DL_CON0, > + AFE_ADDA_UL_DL_ADDA_AFE_ON, > + AFE_ADDA_UL_DL_ADDA_AFE_ON); > + > + spin_unlock_irqrestore(&afe_priv->afe_ctrl_lock, flags); > + > + return 0; > +} > + > +int mt8365_dai_disable_adda_on(struct mtk_base_afe *afe) > +{ > + unsigned long flags; > + struct mt8365_afe_private *afe_priv = afe->platform_priv; > + > + spin_lock_irqsave(&afe_priv->afe_ctrl_lock, flags); > + > + adda_afe_on_ref_cnt--; > + if (adda_afe_on_ref_cnt == 0) > + regmap_update_bits(afe->regmap, AFE_ADDA_UL_DL_CON0, > + AFE_ADDA_UL_DL_ADDA_AFE_ON, > + ~AFE_ADDA_UL_DL_ADDA_AFE_ON); > + else if (adda_afe_on_ref_cnt < 0) > + adda_afe_on_ref_cnt = 0; Should we dev_warn() here? The refcount should never be less than zero - if it is, then there's some issue somewhere that must be solved. > + > + spin_unlock_irqrestore(&afe_priv->afe_ctrl_lock, flags); > + > + return 0; > +} > + Cheers, Angelo