From nobody Mon Feb 9 09:38:29 2026 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id 32E5532BF47; Fri, 31 Oct 2025 07:32:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761895974; cv=none; b=dqotpgmatw3M4VXOdz8OgDceJtuFgBsw+wmQG2dEMx+xBWKeflf0AOVfQByYWyy9JYi/2TNGgNRmp0s4eyuXHxUOIIsEsFyTR41q5Vq3h2ZTFoA90Gz1DMEKeDmafkBWBDbIYuOQqZQJbE1c7J0SiSjNpm74TjtDkXMhzvy2Vvw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761895974; c=relaxed/simple; bh=JCrozJ3QK2F0FjEbxOv4K6molMTYNyWYzkz10KlpHGM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=r5QIVRmS9Jax8a3YrBvCUrbgnxg/tRfV4veYRYY46GeTm9xNj4Up2dvkze0ZtbnOTVu/jgY+zxWPoJOu4v7Br6JOxlIsFjPDZcJxm0g10aQPOPNP/EiIFPqcXYib8cWRvOU4V9HCNf9d7IusaJjda87d5Mk8CSNVN+RIxJYPSq8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=TALZUSie; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="TALZUSie" X-UUID: cc954ff2b62b11f0b33aeb1e7f16c2b6-20251031 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=xhyzJ7Z7ESPd3yOdaFgRvcCmuMfmlajJp4IO/eIceVk=; b=TALZUSie37aAWXqZ8wS6W/QyAOpgogTEkEARcrCHubJ+Vl2fn2SqMiOUGpltnruKwCVwAdMk9SwefuQ+6LZ92pb4sjcv8CgB/EeYkNAG+UpYPTSAQfjv7ammuXJQGK6znvh+6ARlmSLiDQ+Sc/pyAg+hH3zNrRWadQ5MOEX84HA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:cd3d309e-7560-4119-aa59-a79df40442e0,IP:0,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:a9d874c,CLOUDID:214c7626-cfd6-4a1d-a1a8-72ac3fdb69c4,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 0|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: cc954ff2b62b11f0b33aeb1e7f16c2b6-20251031 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1696629508; Fri, 31 Oct 2025 15:32:48 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.26; Fri, 31 Oct 2025 15:32:46 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1748.26 via Frontend Transport; Fri, 31 Oct 2025 15:32:45 +0800 From: Cyril Chao To: Liam Girdwood , Mark Brown , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Matthias Brugger , AngeloGioacchino Del Regno , Jaroslav Kysela , Takashi Iwai CC: , , , , , Cyril Chao , , Cyril Chao Subject: [PATCH v3 06/10] ASoC: mediatek: mt8189: support PCM in platform driver Date: Fri, 31 Oct 2025 15:32:00 +0800 Message-ID: <20251031073216.8662-7-Cyril.Chao@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20251031073216.8662-1-Cyril.Chao@mediatek.com> References: <20251031073216.8662-1-Cyril.Chao@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Content-Type: text/plain; charset="utf-8" Add mt8189 PCM DAI driver support. Signed-off-by: Cyril Chao --- sound/soc/mediatek/mt8189/mt8189-dai-pcm.c | 332 +++++++++++++++++++++ 1 file changed, 332 insertions(+) create mode 100644 sound/soc/mediatek/mt8189/mt8189-dai-pcm.c diff --git a/sound/soc/mediatek/mt8189/mt8189-dai-pcm.c b/sound/soc/mediate= k/mt8189/mt8189-dai-pcm.c new file mode 100644 index 000000000000..21317c0413e5 --- /dev/null +++ b/sound/soc/mediatek/mt8189/mt8189-dai-pcm.c @@ -0,0 +1,332 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * MediaTek ALSA SoC Audio DAI I2S Control + * + * Copyright (c) 2025 MediaTek Inc. + * Author: Darren Ye + */ + +#include + +#include + +#include "mt8189-afe-common.h" +#include "mt8189-interconnection.h" +#include "mt8189-afe-clk.h" + +enum AUD_TX_LCH_RPT { + AUD_TX_LCH_RPT_NO_REPEAT, + AUD_TX_LCH_RPT_REPEAT +}; + +enum AUD_VBT_16K_MODE { + AUD_VBT_16K_MODE_DISABLE, + AUD_VBT_16K_MODE_ENABLE +}; + +enum AUD_EXT_MODEM { + AUD_EXT_MODEM_SELECT_INTERNAL, + AUD_EXT_MODEM_SELECT_EXTERNAL +}; + +enum AUD_PCM_SYNC_TYPE { + /* bck sync length =3D 1 */ + AUD_PCM_ONE_BCK_CYCLE_SYNC, + /* bck sync length =3D PCM_INTF_CON1[9:13] */ + AUD_PCM_EXTENDED_BCK_CYCLE_SYNC +}; + +enum AUD_BT_MODE { + AUD_BT_MODE_DUAL_MIC_ON_TX, + AUD_BT_MODE_SINGLE_MIC_ON_TX +}; + +enum AUD_PCM_AFIFO_SRC { + /* slave mode & external modem uses different crystal */ + AUD_PCM_AFIFO_ASRC, + /* slave mode & external modem uses the same crystal */ + AUD_PCM_AFIFO_AFIFO +}; + +enum AUD_PCM_CLOCK_SOURCE { + AUD_PCM_CLOCK_MASTER_MODE, + AUD_PCM_CLOCK_SLAVE_MODE +}; + +enum AUD_PCM_WLEN { + AUD_PCM_WLEN_PCM_32_BCK_CYCLES, + AUD_PCM_WLEN_PCM_64_BCK_CYCLES +}; + +enum AUD_PCM_MODE { + AUD_PCM_MODE_PCM_MODE_8K, + AUD_PCM_MODE_PCM_MODE_16K, + AUD_PCM_MODE_PCM_MODE_32K, + AUD_PCM_MODE_PCM_MODE_48K +}; + +enum AUD_PCM_FMT { + AUD_PCM_FMT_I2S, + AUD_PCM_FMT_EIAJ, + AUD_PCM_FMT_PCM_MODE_A, + AUD_PCM_FMT_PCM_MODE_B +}; + +enum AUD_BCLK_OUT_INV { + AUD_BCLK_OUT_INV_NO_INVERSE, + AUD_BCLK_OUT_INV_INVERSE +}; + +enum AUD_PCM_EN { + AUD_PCM_EN_DISABLE, + AUD_PCM_EN_ENABLE +}; + +enum AUD_PCM1_1X_EN_DOMAIN { + HOPPING_26M, + APLL, + SLAVE =3D 6 +}; + +enum AUD_PCM1_1X_EN_SLAVE_MODE { + PCM0_SLAVE_1X_EN, + PCM1_SLAVE_1X_EN +}; + +enum { + PCM_8K, + PCM_16K =3D 4, + PCM_32K =3D 8, + PCM_48K =3D 10 +}; + +static unsigned int pcm_1x_rate_transform(struct device *dev, + unsigned int rate) +{ + switch (rate) { + case 8000: + return PCM_8K; + case 16000: + return PCM_16K; + case 32000: + return PCM_32K; + case 48000: + return PCM_48K; + default: + dev_warn(dev, "rate %u invalid, use %d!!!\n", + rate, PCM_48K); + return PCM_48K; + } +} + +static unsigned int pcm_rate_transform(struct device *dev, + unsigned int rate) +{ + switch (rate) { + case 8000: + return MTK_AFE_PCM_RATE_8K; + case 16000: + return MTK_AFE_PCM_RATE_16K; + case 32000: + return MTK_AFE_PCM_RATE_32K; + case 48000: + return MTK_AFE_PCM_RATE_48K; + default: + dev_warn(dev, "rate %u invalid, use %d\n", + rate, MTK_AFE_PCM_RATE_48K); + return MTK_AFE_PCM_RATE_48K; + } +} + +/* dai component */ +static const struct snd_kcontrol_new mtk_pcm_0_playback_ch1_mix[] =3D { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN096_0, + I_ADDA_UL_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN096_1, + I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH1", AFE_CONN096_1, + I_DL_24CH_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_pcm_0_playback_ch2_mix[] =3D { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN097_0, + I_ADDA_UL_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN097_1, + I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH2", AFE_CONN097_1, + I_DL_24CH_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_pcm_0_playback_ch4_mix[] =3D { + SOC_DAPM_SINGLE_AUTODISABLE("I2SIN1_CH1", AFE_CONN099_4, + I_I2SIN1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("I2SIN1_CH2", AFE_CONN099_4, + I_I2SIN1_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL0_CH1", AFE_CONN099_1, + I_DL0_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL_24CH_CH1", AFE_CONN099_1, + I_DL_24CH_CH1, 1, 0), +}; + +static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] =3D { + /* inter-connections */ + SND_SOC_DAPM_MIXER("PCM_0_PB_CH1", SND_SOC_NOPM, 0, 0, + mtk_pcm_0_playback_ch1_mix, + ARRAY_SIZE(mtk_pcm_0_playback_ch1_mix)), + SND_SOC_DAPM_MIXER("PCM_0_PB_CH2", SND_SOC_NOPM, 0, 0, + mtk_pcm_0_playback_ch2_mix, + ARRAY_SIZE(mtk_pcm_0_playback_ch2_mix)), + SND_SOC_DAPM_MIXER("PCM_0_PB_CH4", SND_SOC_NOPM, 0, 0, + mtk_pcm_0_playback_ch4_mix, + ARRAY_SIZE(mtk_pcm_0_playback_ch4_mix)), + + SND_SOC_DAPM_SUPPLY("PCM_0_EN", + AFE_PCM0_INTF_CON0, PCM0_EN_SFT, 0, + NULL, 0), + + SND_SOC_DAPM_SUPPLY("PCM0_CG", AUDIO_TOP_CON0, PDN_PCM0_SFT, 1, + NULL, 0), + + SND_SOC_DAPM_INPUT("AFE_PCM_INPUT"), + SND_SOC_DAPM_OUTPUT("AFE_PCM_OUTPUT"), +}; + +static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] =3D { + {"PCM 0 Playback", NULL, "PCM_0_PB_CH1"}, + {"PCM 0 Playback", NULL, "PCM_0_PB_CH2"}, + {"PCM 0 Playback", NULL, "PCM_0_PB_CH4"}, + + {"PCM 0 Playback", NULL, "PCM_0_EN"}, + {"PCM 0 Capture", NULL, "PCM_0_EN"}, + {"PCM 0 Playback", NULL, "PCM0_CG"}, + {"PCM 0 Capture", NULL, "PCM0_CG"}, + + {"AFE_PCM_OUTPUT", NULL, "PCM 0 Playback"}, + {"PCM 0 Capture", NULL, "AFE_PCM_INPUT"}, + + {"PCM_0_PB_CH1", "DL2_CH1", "DL2"}, + {"PCM_0_PB_CH2", "DL2_CH2", "DL2"}, + {"PCM_0_PB_CH4", "DL0_CH1", "DL0"}, + + {"PCM_0_PB_CH1", "DL_24CH_CH1", "DL_24CH"}, + {"PCM_0_PB_CH2", "DL_24CH_CH2", "DL_24CH"}, + {"PCM_0_PB_CH4", "DL_24CH_CH1", "DL_24CH"}, +}; + +/* dai ops */ +static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe =3D snd_soc_dai_get_drvdata(dai); + unsigned int rate =3D params_rate(params); + unsigned int rate_reg =3D pcm_rate_transform(afe->dev, rate); + unsigned int x_rate_reg =3D pcm_1x_rate_transform(afe->dev, rate); + unsigned int pcm_con0; + unsigned int pcm_con1; + unsigned int playback_active =3D 0; + unsigned int capture_active =3D 0; + struct snd_soc_dapm_widget *playback_widget =3D + snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK); + struct snd_soc_dapm_widget *capture_widget =3D + snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE); + + if (playback_widget) + playback_active =3D playback_widget->active; + if (capture_widget) + capture_active =3D capture_widget->active; + dev_dbg(afe->dev, + "id %d, stream %d, rate %d, rate_reg %d, active p %d, c %d\n", + dai->id, substream->stream, rate, rate_reg, + playback_active, capture_active); + + if (playback_active || capture_active) + return 0; + switch (dai->id) { + case MT8189_DAI_PCM_0: + pcm_con0 =3D AUD_BCLK_OUT_INV_NO_INVERSE << PCM0_BCLK_OUT_INV_SFT; + pcm_con0 |=3D AUD_TX_LCH_RPT_NO_REPEAT << PCM0_TX_LCH_RPT_SFT; + pcm_con0 |=3D AUD_VBT_16K_MODE_DISABLE << PCM0_VBT_16K_MODE_SFT; + pcm_con0 |=3D 0 << PCM0_SYNC_LENGTH_SFT; + pcm_con0 |=3D AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM0_SYNC_TYPE_SFT; + pcm_con0 |=3D AUD_PCM_AFIFO_AFIFO << PCM0_BYP_ASRC_SFT; + pcm_con0 |=3D AUD_PCM_CLOCK_MASTER_MODE << PCM0_SLAVE_SFT; + pcm_con0 |=3D rate_reg << PCM0_MODE_SFT; + pcm_con0 |=3D AUD_PCM_FMT_I2S << PCM0_FMT_SFT; + + pcm_con1 =3D AUD_EXT_MODEM_SELECT_INTERNAL << PCM0_EXT_MODEM_SFT; + pcm_con1 |=3D AUD_BT_MODE_DUAL_MIC_ON_TX << PCM0_BT_MODE_SFT; + pcm_con1 |=3D HOPPING_26M << PCM0_1X_EN_DOMAIN_SFT; + pcm_con1 |=3D x_rate_reg << PCM0_1X_EN_MODE_SFT; + + regmap_update_bits(afe->regmap, AFE_PCM0_INTF_CON0, + ~(unsigned int)PCM0_EN_MASK_SFT, pcm_con0); + regmap_update_bits(afe->regmap, AFE_PCM0_INTF_CON1, + AFE_PCM0_INTF_CON1_MASK_MON_MASK_SFT, + pcm_con1); + break; + default: + dev_err(afe->dev, "%s(), id %d not support\n", + __func__, dai->id); + return -EINVAL; + } + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_pcm_ops =3D { + .hw_params =3D mtk_dai_pcm_hw_params, +}; + +/* dai driver */ +#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\ + SNDRV_PCM_RATE_16000 |\ + SNDRV_PCM_RATE_32000 |\ + SNDRV_PCM_RATE_48000) + +#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver mtk_dai_pcm_driver[] =3D { + { + .name =3D "PCM 0", + .id =3D MT8189_DAI_PCM_0, + .playback =3D { + .stream_name =3D "PCM 0 Playback", + .channels_min =3D 1, + .channels_max =3D 2, + .rates =3D MTK_PCM_RATES, + .formats =3D MTK_PCM_FORMATS, + }, + .capture =3D { + .stream_name =3D "PCM 0 Capture", + .channels_min =3D 1, + .channels_max =3D 2, + .rates =3D MTK_PCM_RATES, + .formats =3D MTK_PCM_FORMATS, + }, + .ops =3D &mtk_dai_pcm_ops, + .symmetric_rate =3D 1, + .symmetric_sample_bits =3D 1, + }, +}; + +int mt8189_dai_pcm_register(struct mtk_base_afe *afe) +{ + struct mtk_base_afe_dai *dai; + + dai =3D devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + dai->dai_drivers =3D mtk_dai_pcm_driver; + dai->num_dai_drivers =3D ARRAY_SIZE(mtk_dai_pcm_driver); + dai->dapm_widgets =3D mtk_dai_pcm_widgets; + dai->num_dapm_widgets =3D ARRAY_SIZE(mtk_dai_pcm_widgets); + dai->dapm_routes =3D mtk_dai_pcm_routes; + dai->num_dapm_routes =3D ARRAY_SIZE(mtk_dai_pcm_routes); + + list_add(&dai->list, &afe->sub_dais); + + return 0; +} --=20 2.45.2