From patchwork Sun Mar 13 15:10:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 12779290 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 DEBD3C433F5 for ; Sun, 13 Mar 2022 15:13:47 +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 3B17616F6; Sun, 13 Mar 2022 16:12:56 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3B17616F6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1647184426; bh=D7MA8ZfQxSgI+LItjmCTpAj2H1yJnIGhvrhCTsJjXMM=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=AgNgqz61XU661ETWAaU+heyDLa0X1hEyz38DR8cMek/E+W1UJud14MGRNOMBPPAKT xDlFvRFWzJaXIaBQyouZebau3YpM/Sjv53av+loGZZTtDaJk+dTGDW6ST4IdQhQVbq Kumx7FObfV8dwvjyEvr6z55/hMKYWacUi/p+4v+o= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A201BF8051B; Sun, 13 Mar 2022 16:11:02 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 06948F80528; Sun, 13 Mar 2022 16:10:54 +0100 (CET) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 28B4AF80510 for ; Sun, 13 Mar 2022 16:10:42 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 28B4AF80510 X-UUID: 733a571747e644478275ea7025d69603-20220313 X-UUID: 733a571747e644478275ea7025d69603-20220313 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 748771953; Sun, 13 Mar 2022 23:10:33 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Sun, 13 Mar 2022 23:10:31 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 13 Mar 2022 23:10:30 +0800 From: Jiaxin Yu To: , , Subject: [v3 06/19] ASoC: mediatek: mt8186: support hw gain in platform driver Date: Sun, 13 Mar 2022 23:10:10 +0800 Message-ID: <20220313151023.21229-7-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220313151023.21229-1-jiaxin.yu@mediatek.com> References: <20220313151023.21229-1-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Jiaxin Yu , Project_Global_Chrome_Upstream_Group@mediatek.com, tzungbi@google.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, matthias.bgg@gmail.com, aaronyu@google.com, julianbraha@gmail.com, linux-arm-kernel@lists.infradead.org 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 mt8186 hw gain dai driver. Signed-off-by: Jiaxin Yu Reviewed-by: AngeloGioacchino Del Regno --- .../soc/mediatek/mt8186/mt8186-dai-hw-gain.c | 236 ++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c b/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c new file mode 100644 index 000000000000..33edd6cbde12 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-dai-hw-gain.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// MediaTek ALSA SoC Audio DAI HW Gain Control +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Jiaxin Yu + +#include +#include "mt8186-afe-common.h" +#include "mt8186-interconnection.h" + +#define HW_GAIN_1_EN_W_NAME "HW GAIN 1 Enable" +#define HW_GAIN_2_EN_W_NAME "HW GAIN 2 Enable" + +/* dai component */ +static const struct snd_kcontrol_new mtk_hw_gain1_in_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH1 Switch", AFE_CONN13_1, + I_CONNSYS_I2S_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_gain1_in_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("CONNSYS_I2S_CH2 Switch", AFE_CONN14_1, + I_CONNSYS_I2S_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_gain2_in_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN15, + I_ADDA_UL_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_gain2_in_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN16, + I_ADDA_UL_CH2, 1, 0), +}; + +static int mtk_hw_gain_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); + unsigned int gain_cur; + unsigned int gain_con1; + + dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n", + __func__, w->name, event); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + if (strcmp(w->name, HW_GAIN_1_EN_W_NAME) == 0) { + gain_cur = AFE_GAIN1_CUR; + gain_con1 = AFE_GAIN1_CON1; + } else { + gain_cur = AFE_GAIN2_CUR; + gain_con1 = AFE_GAIN2_CON1; + } + + /* let hw gain ramp up, set cur gain to 0 */ + regmap_update_bits(afe->regmap, gain_cur, AFE_GAIN1_CUR_MASK_SFT, 0); + + /* set target gain to 0 */ + regmap_update_bits(afe->regmap, gain_con1, GAIN1_TARGET_MASK_SFT, 0); + break; + default: + break; + } + + return 0; +} + +static const struct snd_soc_dapm_widget mtk_dai_hw_gain_widgets[] = { + /* inter-connections */ + SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH1", SND_SOC_NOPM, 0, 0, + mtk_hw_gain1_in_ch1_mix, + ARRAY_SIZE(mtk_hw_gain1_in_ch1_mix)), + SND_SOC_DAPM_MIXER("HW_GAIN1_IN_CH2", SND_SOC_NOPM, 0, 0, + mtk_hw_gain1_in_ch2_mix, + ARRAY_SIZE(mtk_hw_gain1_in_ch2_mix)), + SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH1", SND_SOC_NOPM, 0, 0, + mtk_hw_gain2_in_ch1_mix, + ARRAY_SIZE(mtk_hw_gain2_in_ch1_mix)), + SND_SOC_DAPM_MIXER("HW_GAIN2_IN_CH2", SND_SOC_NOPM, 0, 0, + mtk_hw_gain2_in_ch2_mix, + ARRAY_SIZE(mtk_hw_gain2_in_ch2_mix)), + + SND_SOC_DAPM_SUPPLY(HW_GAIN_1_EN_W_NAME, + AFE_GAIN1_CON0, GAIN1_ON_SFT, 0, + mtk_hw_gain_event, + SND_SOC_DAPM_PRE_PMU), + + SND_SOC_DAPM_SUPPLY(HW_GAIN_2_EN_W_NAME, + AFE_GAIN2_CON0, GAIN2_ON_SFT, 0, + mtk_hw_gain_event, + SND_SOC_DAPM_PRE_PMU), + + SND_SOC_DAPM_INPUT("HW Gain 1 Out Endpoint"), + SND_SOC_DAPM_INPUT("HW Gain 2 Out Endpoint"), + SND_SOC_DAPM_OUTPUT("HW Gain 1 In Endpoint"), +}; + +static const struct snd_soc_dapm_route mtk_dai_hw_gain_routes[] = { + {"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH1"}, + {"HW Gain 1 In", NULL, "HW_GAIN1_IN_CH2"}, + {"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH1"}, + {"HW Gain 2 In", NULL, "HW_GAIN2_IN_CH2"}, + + {"HW Gain 1 In", NULL, HW_GAIN_1_EN_W_NAME}, + {"HW Gain 1 Out", NULL, HW_GAIN_1_EN_W_NAME}, + {"HW Gain 2 In", NULL, HW_GAIN_2_EN_W_NAME}, + {"HW Gain 2 Out", NULL, HW_GAIN_2_EN_W_NAME}, + + {"HW Gain 1 In Endpoint", NULL, "HW Gain 1 In"}, + {"HW Gain 1 Out", NULL, "HW Gain 1 Out Endpoint"}, + {"HW Gain 2 Out", NULL, "HW Gain 2 Out Endpoint"}, +}; + +static const struct snd_kcontrol_new mtk_hw_gain_controls[] = { + SOC_SINGLE("HW Gain 1 Volume", AFE_GAIN1_CON1, + GAIN1_TARGET_SFT, GAIN1_TARGET_MASK, 0), + SOC_SINGLE("HW Gain 2 Volume", AFE_GAIN2_CON1, + GAIN2_TARGET_SFT, GAIN2_TARGET_MASK, 0), +}; + +/* dai ops */ +static int mtk_dai_gain_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + unsigned int rate = params_rate(params); + unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, dai->id); + + dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n", + __func__, dai->id, substream->stream, rate); + + /* rate */ + regmap_update_bits(afe->regmap, + dai->id == MT8186_DAI_HW_GAIN_1 ? + AFE_GAIN1_CON0 : AFE_GAIN2_CON0, + GAIN1_MODE_MASK_SFT, + rate_reg << GAIN1_MODE_SFT); + + /* sample per step */ + regmap_update_bits(afe->regmap, + dai->id == MT8186_DAI_HW_GAIN_1 ? + AFE_GAIN1_CON0 : AFE_GAIN2_CON0, + GAIN1_SAMPLE_PER_STEP_MASK_SFT, + (dai->id == MT8186_DAI_HW_GAIN_1 ? 0x40 : 0x0) << + GAIN1_SAMPLE_PER_STEP_SFT); + + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_gain_ops = { + .hw_params = mtk_dai_gain_hw_params, +}; + +/* dai driver */ +#define MTK_HW_GAIN_RATES (SNDRV_PCM_RATE_8000_48000 |\ + SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_176400 |\ + SNDRV_PCM_RATE_192000) + +#define MTK_HW_GAIN_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver mtk_dai_gain_driver[] = { + { + .name = "HW Gain 1", + .id = MT8186_DAI_HW_GAIN_1, + .playback = { + .stream_name = "HW Gain 1 In", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_HW_GAIN_RATES, + .formats = MTK_HW_GAIN_FORMATS, + }, + .capture = { + .stream_name = "HW Gain 1 Out", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_HW_GAIN_RATES, + .formats = MTK_HW_GAIN_FORMATS, + }, + .ops = &mtk_dai_gain_ops, + .symmetric_rate = 1, + .symmetric_channels = 1, + .symmetric_sample_bits = 1, + }, + { + .name = "HW Gain 2", + .id = MT8186_DAI_HW_GAIN_2, + .playback = { + .stream_name = "HW Gain 2 In", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_HW_GAIN_RATES, + .formats = MTK_HW_GAIN_FORMATS, + }, + .capture = { + .stream_name = "HW Gain 2 Out", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_HW_GAIN_RATES, + .formats = MTK_HW_GAIN_FORMATS, + }, + .ops = &mtk_dai_gain_ops, + .symmetric_rate = 1, + .symmetric_channels = 1, + .symmetric_sample_bits = 1, + }, +}; + +int mt8186_dai_hw_gain_register(struct mtk_base_afe *afe) +{ + struct mtk_base_afe_dai *dai; + + dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + list_add(&dai->list, &afe->sub_dais); + + dai->dai_drivers = mtk_dai_gain_driver; + dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_gain_driver); + + dai->controls = mtk_hw_gain_controls; + dai->num_controls = ARRAY_SIZE(mtk_hw_gain_controls); + dai->dapm_widgets = mtk_dai_hw_gain_widgets; + dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_hw_gain_widgets); + dai->dapm_routes = mtk_dai_hw_gain_routes; + dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hw_gain_routes); + return 0; +}