From patchwork Fri Apr 26 17:22:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Mergnat X-Patchwork-Id: 13645177 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02D0917277F for ; Fri, 26 Apr 2024 17:22:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714152176; cv=none; b=ZWsHK3XR9jI5awBNk3ptIqpgDpF+tYrCQuap+tj8P/w+Tapz7ZL9Ey28RVbvKv+r+zTyyKt/e3L4hC87KqdCvGEqFG9fGkkQaWm3pAhifsqREqth+YTMt80ydc7ZaJ5iJl9FlI1Hr6cDIf2WTKSSMGLhEywKB36tf6Zb6PRUJpY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714152176; c=relaxed/simple; bh=ZWQsTQOXgV6ywBnpOyoYdC9ond5oUki1yr+VbuWucdg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Bwlz8TW0VYKBelsCAX3sWVMy805k0fx8ZpTkBefN23GIUqFwpSCOv/d8B/JvROQuCn7H2bp0APdOhl6zFpzw/TQ10c91KAIAd6NpmsC0tvPgOHtdpPNZIAzMsjAuQ6Ianc7hErnvQH2YCZ/n6kIb3wlXCgZuKHzH11SzpGdSUcI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=Fh14oe5v; arc=none smtp.client-ip=209.85.218.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="Fh14oe5v" Received: by mail-ej1-f51.google.com with SMTP id a640c23a62f3a-a58bd410f92so265465566b.0 for ; Fri, 26 Apr 2024 10:22:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1714152172; x=1714756972; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=7NcmXEnrMpeqj5XdDn0TZRLtlA98rvyn+21w0bXYsqc=; b=Fh14oe5v8oXq5WzNkCO08/LSWBgimSEFYZE0omWL7gPF0rm25Og8nBQQ/2ivzcnROv 5El7RJus6W2HzQwTWewNYkc5KFrCJoNTDvMpkg1j5HM3FWa7M9kZjsUBU84xwoe0nKnL K1/orvMViVO0VgoRiCf9EnbHe/qTBioa8z4IUMaYNDJTpZo3tiFwCZ10F8w/D9rXxg0o XXKR0Qrzzhp36UpJegyFV4pYN+QaLZJ62WU+RaoGXv4rCXxIApu0MqIRhDdR6qX6Gppo EX/00B7vPgUZOPzpeyP+GrzydgezGmHJ+c2eiwsWVvTC/+evp7k/ySRkPUii8EaTT1j+ 6RKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714152172; x=1714756972; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7NcmXEnrMpeqj5XdDn0TZRLtlA98rvyn+21w0bXYsqc=; b=YiUf5qDhRchZgzkHKKqy7sjxNdOcCFj6ZrUjrERc0HzvplNIbWBkw8BWrnxBII2LWv d56uFlOQvlB3wdM4Cgvf8OVxb6G/42zKrd59SI566nDPgBAeDkHFQIDAxJL/1Pap832N mG/QRPT7C4ISLDk+c0d4HdTMiIi6jyD/VOAXKV62TO5D1m44KMMrr65Dw4JVPS2f/Z9L BEQ22V2efamKhkOUZGzx1aoUlxrFQd1GIXniHmK1RsGMGw/CRkyQdSVgHD8ksX6sbPXp w1ifKGqmK+d/t3DYGUhaQfb8KX+fhNiT4EIA+6qK858pTtZMlHZmsrPgvKcqtDeI2Mqy EdzA== X-Forwarded-Encrypted: i=1; AJvYcCWjwusLO/kLFFsTA6Xq46anq9761GjzRojc98ysiBbXawF8yvcr+T7H0GyeNm1BDLjlbiogOlWJkagPy3NvmKWuoLixs8AqqEFe46E= X-Gm-Message-State: AOJu0Yz0Ahxq4efx2uagKw4Yl58H2HykbLltdyfLiylqon1AshUnRdrx f6zldxenKLxERrk1Lo/DmXpcVbhMcc70NjU4vcK8EVLbQokNu2cmq4d58mRh/x4= X-Google-Smtp-Source: AGHT+IHlR5BwUf5YJjzVk5aFAhbuby3MlJwdbx2RI8Fe95j9s4xq8KzuwbuaiYfvEhHe/s9pVvTdwQ== X-Received: by 2002:a17:906:ecf8:b0:a58:878c:a09e with SMTP id qt24-20020a170906ecf800b00a58878ca09emr2279786ejb.56.1714152172461; Fri, 26 Apr 2024 10:22:52 -0700 (PDT) Received: from [127.0.1.1] ([93.5.22.158]) by smtp.googlemail.com with ESMTPSA id ot15-20020a170906cccf00b00a5239720044sm10763363ejb.8.2024.04.26.10.22.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Apr 2024 10:22:51 -0700 (PDT) From: Alexandre Mergnat Date: Fri, 26 Apr 2024 19:22:38 +0200 Subject: [PATCH v4 09/16] ASoC: mediatek: mt8365: Add PCM DAI support Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240226-audio-i350-v4-9-082b22186d4c@baylibre.com> References: <20240226-audio-i350-v4-0-082b22186d4c@baylibre.com> In-Reply-To: <20240226-audio-i350-v4-0-082b22186d4c@baylibre.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , 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, Alexandre Mergnat X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=8166; i=amergnat@baylibre.com; h=from:subject:message-id; bh=ZWQsTQOXgV6ywBnpOyoYdC9ond5oUki1yr+VbuWucdg=; b=owEBbQKS/ZANAwAKAStGSZ1+MdRFAcsmYgBmK+La6Kx7C0eQDgmntZx2aVtD65oyeAJAz0L/t4LH 8+6WCMiJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCZivi2gAKCRArRkmdfjHURfMsD/ 9Fh2HhIJjUBJGXjTOzHLw5SqVMshgEDUg9T1Lgw/6/SZ+jOJFpZkzuUZjn+i9np0fibMcytm9gmJQ/ cZXZ3XexnoXeLbYoRbhFB3LG9sGwigm42s03olMDveuShTxrNP6M98i631eMJD/SrU/eZStXgL+wAo cybemXwtWr6lBG3FpJQFWrpCe8vH8KcFpjSlrIs8BPmqcQtJwJ+J4PZ3l97WLvx2hZ1AQWm0W6uoeY S7zCygAs+BGISWVDyR+jnbOji49egEQ/KSChk/5N9cS1Yn3YPTmTcF+4fAwe0hRgqko7MdSrrbMxZw zqPLRFEzsOBk/pb/KcE0ZILWq0SGhgtcOLXc1NphoOhheRNs4l4UN2hD6HqgRKNGLeQm53lwixdizk 7sNjNi2BQVTEd8u8ANPOgGlGcGezwrY/lu8G0EOfLeCAzlgtUDOhB+95Ava8Se1jR4HIebTPQbg/Yk cXdc8KdFv4nwKV4bqVyGBEapQ8/SBLxkx3dgzGtHHMZegi3DK5ANiYRVPE/Ne+pzczac2YsBbpnkyk u7sjLtL/sxF9CE/kD1pK/vNJ8ZvoS7L0RW80hk7YI5W54dxUPun7Ol1A53z8Eos+7dT6a536FjeuIA 1LWpCkQg0Bug75rb+vMhRoM5NFgbHwwd1Bu5Z20KDJ2e09sluqM4ZcbFvO9Q== X-Developer-Key: i=amergnat@baylibre.com; a=openpgp; fpr=231B5ED7F3EAAA700E60FE8B2B46499D7E31D445 Add Pulse Code Modulation Device Audio Interface support for MT8365 SoC. Signed-off-by: Alexandre Mergnat Reviewed-by: AngeloGioacchino Del Regno --- sound/soc/mediatek/mt8365/mt8365-dai-pcm.c | 293 +++++++++++++++++++++++++++++ 1 file changed, 293 insertions(+) diff --git a/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c b/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c new file mode 100644 index 000000000000..a5de47c69620 --- /dev/null +++ b/sound/soc/mediatek/mt8365/mt8365-dai-pcm.c @@ -0,0 +1,293 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Mediatek 8365 ALSA SoC Audio DAI PCM Control + * + * Copyright (c) 2024 MediaTek Inc. + * Authors: Jia Zeng + * Alexandre Mergnat + */ + +#include +#include +#include +#include "mt8365-afe-clk.h" +#include "mt8365-afe-common.h" + +struct mt8365_pcm_intf_data { + bool slave_mode; + bool lrck_inv; + bool bck_inv; + unsigned int format; +}; + +/* DAI Drivers */ + +static void mt8365_dai_enable_pcm1(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, PCM_INTF_CON1, + PCM_INTF_CON1_EN, PCM_INTF_CON1_EN); +} + +static void mt8365_dai_disable_pcm1(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, PCM_INTF_CON1, + PCM_INTF_CON1_EN, 0x0); +} + +static int mt8365_dai_configure_pcm1(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8365_afe_private *afe_priv = afe->platform_priv; + struct mt8365_pcm_intf_data *pcm_priv = afe_priv->dai_priv[MT8365_AFE_IO_PCM1]; + bool slave_mode = pcm_priv->slave_mode; + bool lrck_inv = pcm_priv->lrck_inv; + bool bck_inv = pcm_priv->bck_inv; + unsigned int fmt = pcm_priv->format; + unsigned int bit_width = dai->sample_bits; + unsigned int val = 0; + + if (!slave_mode) { + val |= PCM_INTF_CON1_MASTER_MODE | + PCM_INTF_CON1_BYPASS_ASRC; + + if (lrck_inv) + val |= PCM_INTF_CON1_SYNC_OUT_INV; + if (bck_inv) + val |= PCM_INTF_CON1_BCLK_OUT_INV; + } else { + val |= PCM_INTF_CON1_SLAVE_MODE; + + if (lrck_inv) + val |= PCM_INTF_CON1_SYNC_IN_INV; + if (bck_inv) + val |= PCM_INTF_CON1_BCLK_IN_INV; + + // TODO: add asrc setting + } + + val |= FIELD_PREP(PCM_INTF_CON1_FORMAT_MASK, fmt); + + if (fmt == MT8365_PCM_FORMAT_PCMA || + fmt == MT8365_PCM_FORMAT_PCMB) + val |= PCM_INTF_CON1_SYNC_LEN(1); + else + val |= PCM_INTF_CON1_SYNC_LEN(bit_width); + + switch (substream->runtime->rate) { + case 48000: + val |= PCM_INTF_CON1_FS_48K; + break; + case 32000: + val |= PCM_INTF_CON1_FS_32K; + break; + case 16000: + val |= PCM_INTF_CON1_FS_16K; + break; + case 8000: + val |= PCM_INTF_CON1_FS_8K; + break; + default: + return -EINVAL; + } + + if (bit_width > 16) + val |= PCM_INTF_CON1_24BIT | PCM_INTF_CON1_64BCK; + else + val |= PCM_INTF_CON1_16BIT | PCM_INTF_CON1_32BCK; + + val |= PCM_INTF_CON1_EXT_MODEM; + + regmap_update_bits(afe->regmap, PCM_INTF_CON1, + PCM_INTF_CON1_CONFIG_MASK, val); + + return 0; +} + +static int mt8365_dai_pcm1_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + + if (snd_soc_dai_active(dai)) + return 0; + + mt8365_afe_enable_main_clk(afe); + + return 0; +} + +static void mt8365_dai_pcm1_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + + if (snd_soc_dai_active(dai)) + return; + + mt8365_dai_disable_pcm1(afe); + mt8365_afe_disable_main_clk(afe); +} + +static int mt8365_dai_pcm1_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + int ret; + + if ((snd_soc_dai_stream_active_playback(dai) + + snd_soc_dai_stream_active_capture(dai)) > 1) { + dev_info(afe->dev, "%s '%s' active(%u-%u) already\n", + __func__, snd_pcm_stream_str(substream), + snd_soc_dai_stream_active_playback(dai), + snd_soc_dai_stream_active_capture(dai)); + return 0; + } + + ret = mt8365_dai_configure_pcm1(substream, dai); + if (ret) + return ret; + + mt8365_dai_enable_pcm1(afe); + + return 0; +} + +static int mt8365_dai_pcm1_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8365_afe_private *afe_priv = afe->platform_priv; + struct mt8365_pcm_intf_data *pcm_priv = afe_priv->dai_priv[MT8365_AFE_IO_PCM1]; + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + pcm_priv->format = MT8365_PCM_FORMAT_I2S; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + pcm_priv->bck_inv = false; + pcm_priv->lrck_inv = false; + break; + case SND_SOC_DAIFMT_NB_IF: + pcm_priv->bck_inv = false; + pcm_priv->lrck_inv = true; + break; + case SND_SOC_DAIFMT_IB_NF: + pcm_priv->bck_inv = true; + pcm_priv->lrck_inv = false; + break; + case SND_SOC_DAIFMT_IB_IF: + pcm_priv->bck_inv = true; + pcm_priv->lrck_inv = true; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + pcm_priv->slave_mode = true; + break; + case SND_SOC_DAIFMT_CBS_CFS: + pcm_priv->slave_mode = false; + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct snd_soc_dai_ops mt8365_dai_pcm1_ops = { + .startup = mt8365_dai_pcm1_startup, + .shutdown = mt8365_dai_pcm1_shutdown, + .prepare = mt8365_dai_pcm1_prepare, + .set_fmt = mt8365_dai_pcm1_set_fmt, +}; + +static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = { + { + .name = "PCM1", + .id = MT8365_AFE_IO_PCM1, + .playback = { + .stream_name = "PCM1 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + }, + .capture = { + .stream_name = "PCM1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000 | + SNDRV_PCM_RATE_16000 | + SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + }, + .ops = &mt8365_dai_pcm1_ops, + .symmetric_rate = 1, + .symmetric_sample_bits = 1, + } +}; + +/* DAI widget */ + +static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = { + SND_SOC_DAPM_OUTPUT("PCM1 Out"), + SND_SOC_DAPM_INPUT("PCM1 In"), +}; + +/* DAI route */ + +static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = { + {"PCM1 Playback", NULL, "O07"}, + {"PCM1 Playback", NULL, "O08"}, + {"PCM1 Out", NULL, "PCM1 Playback"}, + + {"I09", NULL, "PCM1 Capture"}, + {"I22", NULL, "PCM1 Capture"}, + {"PCM1 Capture", NULL, "PCM1 In"}, +}; + +static int init_pcmif_priv_data(struct mtk_base_afe *afe) +{ + struct mt8365_afe_private *afe_priv = afe->platform_priv; + struct mt8365_pcm_intf_data *pcmif_priv; + + pcmif_priv = devm_kzalloc(afe->dev, sizeof(struct mt8365_pcm_intf_data), + GFP_KERNEL); + if (!pcmif_priv) + return -ENOMEM; + + afe_priv->dai_priv[MT8365_AFE_IO_PCM1] = pcmif_priv; + return 0; +} + +int mt8365_dai_pcm_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_pcm_driver; + dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver); + dai->dapm_widgets = mtk_dai_pcm_widgets; + dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets); + dai->dapm_routes = mtk_dai_pcm_routes; + dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes); + return init_pcmif_priv_data(afe); +}