From patchwork Thu Jun 17 05:47:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?VHJldm9yIFd1ICjlkLPmlofoia8p?= X-Patchwork-Id: 12326671 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=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UNWANTED_LANGUAGE_BODY,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 0D607C2B9F4 for ; Thu, 17 Jun 2021 05:49:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B675B613D5 for ; Thu, 17 Jun 2021 05:49:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B675B613D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AXANz2bHiSJNaQiBP+vWCgs15neVnjsJGV2IHYq43Ks=; b=0JF1pZM91f/AwM wAhPbCCIPx3TExq4kA3robmnALayGUCTPb5033kZxOlpG9g36g4k68cCF/Wn7e9RgAY8b0IlgyR5R DR6xR0ECb/jqrpmrXCGpT+iEE48lxLnKjUsg037RCxa2rhInFAw/HqafZh3TYpZiFi/NELKSEuUI1 UnzimvyEus+Cfk8i7cvsiK0uvs+TlZ3V3sn6OEWgV59SWVaLzV8oer+oxbAF9d4JVIBhB8yYlk8oe PX5Q69aPnuki6IfCxXsZT8J8n7rG51eh2zzTpjBllubHCi5hvMg3YvP/HxUl27f8IIyvIp+Ub5N1e rMTS3Br6mTsQEe6dns0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltkuA-008ytQ-DB; Thu, 17 Jun 2021 05:49:30 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltktQ-008yas-Vi; Thu, 17 Jun 2021 05:48:47 +0000 X-UUID: 3b59b47f33d54fadbe4dd16caa83a2d3-20210616 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qztOszP1Q+P4Vm9T02YsfZTziNbtTwHcTbL5i0Ytc5A=; b=EkD0G8vI4GozCS9ZrWq/GoN2YMwHwTh1lX7+uEOI6QYZIfSlSyNXE5+efzh13lG8nMimpUZJ5haRoo1cYXYXecnpnn7CggRfoRHfuUYO5z4xcFSgFM73N3Bb1aE+R489Zj2X+C4ovv0tx1xnN21hF/cvk6Uswn2I4UYld7vJgeQ=; X-UUID: 3b59b47f33d54fadbe4dd16caa83a2d3-20210616 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 788755249; Wed, 16 Jun 2021 22:48:38 -0700 Received: from MTKMBS06N2.mediatek.inc (172.21.101.130) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 16 Jun 2021 22:48:37 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Jun 2021 13:48:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 17 Jun 2021 13:48:35 +0800 From: Trevor Wu To: , , , CC: , , , , , , , , Subject: [PATCH 4/8] ASoC: mediatek: mt8195: support pcm in platform driver Date: Thu, 17 Jun 2021 13:47:35 +0800 Message-ID: <20210617054740.8081-5-trevor.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210617054740.8081-1-trevor.wu@mediatek.com> References: <20210617054740.8081-1-trevor.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210616_224845_121572_E5838C65 X-CRM114-Status: GOOD ( 19.79 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch adds mt8195 pcm dai driver. Signed-off-by: Trevor Wu --- sound/soc/mediatek/mt8195/mt8195-dai-pcm.c | 393 +++++++++++++++++++++ 1 file changed, 393 insertions(+) create mode 100644 sound/soc/mediatek/mt8195/mt8195-dai-pcm.c diff --git a/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c b/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c new file mode 100644 index 000000000000..bb0e2e4da14a --- /dev/null +++ b/sound/soc/mediatek/mt8195/mt8195-dai-pcm.c @@ -0,0 +1,393 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * MediaTek ALSA SoC Audio DAI PCM I/F Control + * + * Copyright (c) 2020 MediaTek Inc. + * Author: Bicycle Tsai + * Trevor Wu + */ + +#include +#include +#include "mt8195-afe-clk.h" +#include "mt8195-afe-common.h" +#include "mt8195-reg.h" + +enum { + MTK_DAI_PCM_FMT_I2S, + MTK_DAI_PCM_FMT_EIAJ, + MTK_DAI_PCM_FMT_MODEA, + MTK_DAI_PCM_FMT_MODEB, +}; + +enum { + MTK_DAI_PCM_CLK_A1SYS, + MTK_DAI_PCM_CLK_A2SYS, + MTK_DAI_PCM_CLK_26M_48K, + MTK_DAI_PCM_CLK_26M_441K, +}; + +struct mtk_dai_pcm_rate { + unsigned int rate; + unsigned int reg_value; +}; + +struct mtk_dai_pcmif_priv { + unsigned int slave_mode; + unsigned int lrck_inv; + unsigned int bck_inv; + unsigned int format; +}; + +static const struct mtk_dai_pcm_rate mtk_dai_pcm_rates[] = { + { .rate = 8000, .reg_value = 0, }, + { .rate = 16000, .reg_value = 1, }, + { .rate = 32000, .reg_value = 2, }, + { .rate = 48000, .reg_value = 3, }, + { .rate = 11025, .reg_value = 1, }, + { .rate = 22050, .reg_value = 2, }, + { .rate = 44100, .reg_value = 3, }, +}; + +static int mtk_dai_pcm_mode(unsigned int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mtk_dai_pcm_rates); i++) + if (mtk_dai_pcm_rates[i].rate == rate) + return mtk_dai_pcm_rates[i].reg_value; + + return -EINVAL; +} + +static const struct snd_kcontrol_new mtk_dai_pcm_o000_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN0, 0, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("I070 Switch", AFE_CONN0_2, 6, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_dai_pcm_o001_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN1, 1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("I071 Switch", AFE_CONN1_2, 7, 1, 0), +}; + +static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = { + SND_SOC_DAPM_MIXER("I002", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("I003", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("O000", SND_SOC_NOPM, 0, 0, + mtk_dai_pcm_o000_mix, + ARRAY_SIZE(mtk_dai_pcm_o000_mix)), + SND_SOC_DAPM_MIXER("O001", SND_SOC_NOPM, 0, 0, + mtk_dai_pcm_o001_mix, + ARRAY_SIZE(mtk_dai_pcm_o001_mix)), + + SND_SOC_DAPM_INPUT("PCM1_INPUT"), + SND_SOC_DAPM_OUTPUT("PCM1_OUTPUT"), +}; + +static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = { + {"I002", NULL, "PCM1 Capture"}, + {"I003", NULL, "PCM1 Capture"}, + + {"O000", "I000 Switch", "I000"}, + {"O001", "I001 Switch", "I001"}, + + {"O000", "I070 Switch", "I070"}, + {"O001", "I071 Switch", "I071"}, + + {"PCM1 Playback", NULL, "O000"}, + {"PCM1 Playback", NULL, "O001"}, + + {"PCM1_OUTPUT", NULL, "PCM1 Playback"}, + {"PCM1 Capture", NULL, "PCM1_INPUT"}, +}; + +static void mtk_dai_pcm_enable(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, PCM_INTF_CON1, + PCM_INTF_CON1_PCM_EN, PCM_INTF_CON1_PCM_EN); +} + +static void mtk_dai_pcm_disable(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, PCM_INTF_CON1, + PCM_INTF_CON1_PCM_EN, 0x0); +} + +static int mtk_dai_pcm_configure(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_pcm_runtime * const runtime = substream->runtime; + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8195_afe_private *afe_priv = afe->platform_priv; + struct mtk_dai_pcmif_priv *pcmif_priv = afe_priv->dai_priv[dai->id]; + unsigned int slave_mode = pcmif_priv->slave_mode; + unsigned int lrck_inv = pcmif_priv->lrck_inv; + unsigned int bck_inv = pcmif_priv->bck_inv; + unsigned int fmt = pcmif_priv->format; + unsigned int bit_width = dai->sample_bits; + unsigned int val = 0; + unsigned int mask = 0; + int fs = 0; + int mode = 0; + + /* sync freq mode */ + fs = mt8195_afe_fs_timing(runtime->rate); + if (fs < 0) + return -EINVAL; + val |= PCM_INTF_CON2_SYNC_FREQ_MODE(fs); + mask |= PCM_INTF_CON2_SYNC_FREQ_MODE_MASK; + + /* clk domain sel */ + if (runtime->rate % 8000) + val |= PCM_INTF_CON2_CLK_DOMAIN_SEL(MTK_DAI_PCM_CLK_26M_441K); + else + val |= PCM_INTF_CON2_CLK_DOMAIN_SEL(MTK_DAI_PCM_CLK_26M_48K); + mask |= PCM_INTF_CON2_CLK_DOMAIN_SEL_MASK; + + regmap_update_bits(afe->regmap, PCM_INTF_CON2, mask, val); + + val = 0; + mask = 0; + + /* pcm mode */ + mode = mtk_dai_pcm_mode(runtime->rate); + if (mode < 0) + return -EINVAL; + val |= PCM_INTF_CON1_PCM_MODE(mode); + mask |= PCM_INTF_CON1_PCM_MODE_MASK; + + /* pcm format */ + val |= PCM_INTF_CON1_PCM_FMT(fmt); + mask |= PCM_INTF_CON1_PCM_FMT_MASK; + + /* pcm sync length */ + if (fmt == MTK_DAI_PCM_FMT_MODEA || + fmt == MTK_DAI_PCM_FMT_MODEB) + val |= PCM_INTF_CON1_SYNC_LENGTH(1); + else + val |= PCM_INTF_CON1_SYNC_LENGTH(bit_width); + mask |= PCM_INTF_CON1_SYNC_LENGTH_MASK; + + /* pcm bits, word length */ + if (bit_width > 16) { + val |= PCM_INTF_CON1_PCM_24BIT; + val |= PCM_INTF_CON1_PCM_WLEN_64BCK; + } else { + val |= PCM_INTF_CON1_PCM_16BIT; + val |= PCM_INTF_CON1_PCM_WLEN_32BCK; + } + mask |= PCM_INTF_CON1_PCM_BIT_MASK; + mask |= PCM_INTF_CON1_PCM_WLEN_MASK; + + /* master/slave */ + if (!slave_mode) { + val |= PCM_INTF_CON1_PCM_MASTER; + + if (lrck_inv) + val |= PCM_INTF_CON1_SYNC_OUT_INV; + if (bck_inv) + val |= PCM_INTF_CON1_BCLK_OUT_INV; + mask |= PCM_INTF_CON1_CLK_OUT_INV_MASK; + } else { + val |= PCM_INTF_CON1_PCM_SLAVE; + + if (lrck_inv) + val |= PCM_INTF_CON1_SYNC_IN_INV; + if (bck_inv) + val |= PCM_INTF_CON1_BCLK_IN_INV; + mask |= PCM_INTF_CON1_CLK_IN_INV_MASK; + + /* TODO: add asrc setting for slave mode */ + } + mask |= PCM_INTF_CON1_PCM_M_S_MASK; + + regmap_update_bits(afe->regmap, PCM_INTF_CON1, mask, val); + + return 0; +} + +/* dai ops */ +static int mtk_dai_pcm_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8195_afe_private *afe_priv = afe->platform_priv; + + if (dai->component->active) + return 0; + + mt8195_afe_enable_main_clock(afe); + + mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_ASRC11]); + mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_ASRC12]); + mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_PCMIF]); + + return 0; +} + +static void mtk_dai_pcm_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8195_afe_private *afe_priv = afe->platform_priv; + + if (dai->component->active) + return; + + mtk_dai_pcm_disable(afe); + + mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_PCMIF]); + mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_ASRC12]); + mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_ASRC11]); + + mt8195_afe_disable_main_clock(afe); +} + +static int mtk_dai_pcm_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + int ret = 0; + + if (snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_PLAYBACK) && + snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_CAPTURE)) + return 0; + + ret = mtk_dai_pcm_configure(substream, dai); + if (ret) + return ret; + + mtk_dai_pcm_enable(afe); + + return 0; +} + +static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8195_afe_private *afe_priv = afe->platform_priv; + struct mtk_dai_pcmif_priv *pcmif_priv = afe_priv->dai_priv[dai->id]; + + dev_dbg(dai->dev, "%s fmt 0x%x\n", __func__, fmt); + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + pcmif_priv->format = MTK_DAI_PCM_FMT_I2S; + break; + case SND_SOC_DAIFMT_DSP_A: + pcmif_priv->format = MTK_DAI_PCM_FMT_MODEA; + break; + case SND_SOC_DAIFMT_DSP_B: + pcmif_priv->format = MTK_DAI_PCM_FMT_MODEB; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + pcmif_priv->bck_inv = 0; + pcmif_priv->lrck_inv = 0; + break; + case SND_SOC_DAIFMT_NB_IF: + pcmif_priv->bck_inv = 0; + pcmif_priv->lrck_inv = 1; + break; + case SND_SOC_DAIFMT_IB_NF: + pcmif_priv->bck_inv = 1; + pcmif_priv->lrck_inv = 0; + break; + case SND_SOC_DAIFMT_IB_IF: + pcmif_priv->bck_inv = 1; + pcmif_priv->lrck_inv = 1; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + pcmif_priv->slave_mode = 1; + break; + case SND_SOC_DAIFMT_CBS_CFS: + pcmif_priv->slave_mode = 0; + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_pcm_ops = { + .startup = mtk_dai_pcm_startup, + .shutdown = mtk_dai_pcm_shutdown, + .prepare = mtk_dai_pcm_prepare, + .set_fmt = mtk_dai_pcm_set_fmt, +}; + +/* dai driver */ +#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_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[] = { + { + .name = "PCM1", + .id = MT8195_AFE_IO_PCM, + .playback = { + .stream_name = "PCM1 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .capture = { + .stream_name = "PCM1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_PCM_RATES, + .formats = MTK_PCM_FORMATS, + }, + .ops = &mtk_dai_pcm_ops, + .symmetric_rate = 1, + .symmetric_sample_bits = 1, + }, +}; + +static int init_pcmif_priv_data(struct mtk_base_afe *afe) +{ + struct mt8195_afe_private *afe_priv = afe->platform_priv; + struct mtk_dai_pcmif_priv *pcmif_priv; + + pcmif_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_pcmif_priv), + GFP_KERNEL); + if (!pcmif_priv) + return -ENOMEM; + + afe_priv->dai_priv[MT8195_AFE_IO_PCM] = pcmif_priv; + return 0; +} + +int mt8195_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); +}