From nobody Sun Sep 22 09:29:28 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14598C43217 for ; Sun, 13 Mar 2022 15:11:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234832AbiCMPMK (ORCPT ); Sun, 13 Mar 2022 11:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234747AbiCMPLt (ORCPT ); Sun, 13 Mar 2022 11:11:49 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B78A98595F; Sun, 13 Mar 2022 08:10:40 -0700 (PDT) X-UUID: 323af90b0c164d1e859a4cdb29629cab-20220313 X-UUID: 323af90b0c164d1e859a4cdb29629cab-20220313 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1761689348; Sun, 13 Mar 2022 23:10:35 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) 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 23:10:34 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 13 Mar 2022 23:10:33 +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 23:10:32 +0800 From: Jiaxin Yu To: , , CC: , , , , , , , , , , , Jiaxin Yu Subject: [v3 08/19] ASoC: mediatek: mt8186: support pcm in platform driver Date: Sun, 13 Mar 2022 23:10:12 +0800 Message-ID: <20220313151023.21229-9-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 Content-Transfer-Encoding: quoted-printable X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add mt8186 pcm dai driver. Signed-off-by: Jiaxin Yu Reviewed-by: AngeloGioacchino Del Regno --- sound/soc/mediatek/mt8186/mt8186-dai-pcm.c | 423 +++++++++++++++++++++ 1 file changed, 423 insertions(+) create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-pcm.c diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c b/sound/soc/mediate= k/mt8186/mt8186-dai-pcm.c new file mode 100644 index 000000000000..0b0032ecfe6d --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-dai-pcm.c @@ -0,0 +1,423 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// MediaTek ALSA SoC Audio DAI I2S Control +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Jiaxin Yu + +#include +#include +#include "mt8186-afe-common.h" +#include "mt8186-afe-gpio.h" +#include "mt8186-interconnection.h" + +struct mtk_afe_pcm_priv { + unsigned int id; + unsigned int fmt; + unsigned int bck_invert; + unsigned int lck_invert; +}; + +enum aud_tx_lch_rpt { + AUD_TX_LCH_RPT_NO_REPEAT =3D 0, + AUD_TX_LCH_RPT_REPEAT =3D 1 +}; + +enum aud_vbt_16k_mode { + AUD_VBT_16K_MODE_DISABLE =3D 0, + AUD_VBT_16K_MODE_ENABLE =3D 1 +}; + +enum aud_ext_modem { + AUD_EXT_MODEM_SELECT_INTERNAL =3D 0, + AUD_EXT_MODEM_SELECT_EXTERNAL =3D 1 +}; + +enum aud_pcm_sync_type { + /* bck sync length =3D 1 */ + AUD_PCM_ONE_BCK_CYCLE_SYNC =3D 0, + /* bck sync length =3D PCM_INTF_CON1[9:13] */ + AUD_PCM_EXTENDED_BCK_CYCLE_SYNC =3D 1 +}; + +enum aud_bt_mode { + AUD_BT_MODE_DUAL_MIC_ON_TX =3D 0, + AUD_BT_MODE_SINGLE_MIC_ON_TX =3D 1 +}; + +enum aud_pcm_afifo_src { + /* slave mode & external modem uses different crystal */ + AUD_PCM_AFIFO_ASRC =3D 0, + /* slave mode & external modem uses the same crystal */ + AUD_PCM_AFIFO_AFIFO =3D 1 +}; + +enum aud_pcm_clock_source { + AUD_PCM_CLOCK_MASTER_MODE =3D 0, + AUD_PCM_CLOCK_SLAVE_MODE =3D 1 +}; + +enum aud_pcm_wlen { + AUD_PCM_WLEN_PCM_32_BCK_CYCLES =3D 0, + AUD_PCM_WLEN_PCM_64_BCK_CYCLES =3D 1 +}; + +enum aud_pcm_24bit { + AUD_PCM_24BIT_PCM_16_BITS =3D 0, + AUD_PCM_24BIT_PCM_24_BITS =3D 1 +}; + +enum aud_pcm_mode { + AUD_PCM_MODE_PCM_MODE_8K =3D 0, + AUD_PCM_MODE_PCM_MODE_16K =3D 1, + AUD_PCM_MODE_PCM_MODE_32K =3D 2, + AUD_PCM_MODE_PCM_MODE_48K =3D 3, +}; + +enum aud_pcm_fmt { + AUD_PCM_FMT_I2S =3D 0, + AUD_PCM_FMT_EIAJ =3D 1, + AUD_PCM_FMT_PCM_MODE_A =3D 2, + AUD_PCM_FMT_PCM_MODE_B =3D 3 +}; + +enum aud_bclk_out_inv { + AUD_BCLK_OUT_INV_NO_INVERSE =3D 0, + AUD_BCLK_OUT_INV_INVERSE =3D 1 +}; + +enum aud_lrclk_out_inv { + AUD_LRCLK_OUT_INV_NO_INVERSE =3D 0, + AUD_LRCLK_OUT_INV_INVERSE =3D 1 +}; + +enum aud_pcm_en { + AUD_PCM_EN_DISABLE =3D 0, + AUD_PCM_EN_ENABLE =3D 1 +}; + +/* dai component */ +static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] =3D { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN7, + I_ADDA_UL_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN7, + I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN7_1, + I_DL4_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] =3D { + SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN8, + I_ADDA_UL_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN8, + I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN8_1, + I_DL4_CH2, 1, 0), +}; + +static int mtk_pcm_en_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *cmpnt =3D snd_soc_dapm_to_component(w->dapm); + struct mtk_base_afe *afe =3D snd_soc_component_get_drvdata(cmpnt); + + dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n", + __func__, w->name, event); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + mt8186_afe_gpio_request(afe->dev, true, MT8186_DAI_PCM, 0); + break; + case SND_SOC_DAPM_POST_PMD: + mt8186_afe_gpio_request(afe->dev, false, MT8186_DAI_PCM, 0); + break; + } + + return 0; +} + +/* pcm in/out lpbk */ +static const char * const pcm_lpbk_mux_map[] =3D { + "Normal", "Lpbk", +}; + +static int pcm_lpbk_mux_map_value[] =3D { + 0, 1, +}; + +static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(pcm_in_lpbk_mux_map_enum, + PCM_INTF_CON1, + PCM_I2S_PCM_LOOPBACK_SFT, + 1, + pcm_lpbk_mux_map, + pcm_lpbk_mux_map_value); + +static const struct snd_kcontrol_new pcm_in_lpbk_mux_control =3D + SOC_DAPM_ENUM("PCM In Lpbk Select", pcm_in_lpbk_mux_map_enum); + +static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(pcm_out_lpbk_mux_map_enum, + PCM_INTF_CON1, + PCM_I2S_PCM_LOOPBACK_SFT, + 1, + pcm_lpbk_mux_map, + pcm_lpbk_mux_map_value); + +static const struct snd_kcontrol_new pcm_out_lpbk_mux_control =3D + SOC_DAPM_ENUM("PCM Out Lpbk Select", pcm_out_lpbk_mux_map_enum); + +static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] =3D { + /* inter-connections */ + SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0, + mtk_pcm_1_playback_ch1_mix, + ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)), + SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0, + mtk_pcm_1_playback_ch2_mix, + ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)), + + SND_SOC_DAPM_SUPPLY("PCM_1_EN", + PCM_INTF_CON1, PCM_EN_SFT, 0, + mtk_pcm_en_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + + /* pcm in lpbk */ + SND_SOC_DAPM_MUX("PCM_In_Lpbk_Mux", + SND_SOC_NOPM, 0, 0, &pcm_in_lpbk_mux_control), + + /* pcm out lpbk */ + SND_SOC_DAPM_MUX("PCM_Out_Lpbk_Mux", + SND_SOC_NOPM, 0, 0, &pcm_out_lpbk_mux_control), +}; + +static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] =3D { + {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"}, + {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"}, + + {"PCM 1 Playback", NULL, "PCM_1_EN"}, + {"PCM 1 Capture", NULL, "PCM_1_EN"}, + + {"PCM_1_PB_CH1", "DL2_CH1 Switch", "DL2"}, + {"PCM_1_PB_CH2", "DL2_CH2 Switch", "DL2"}, + + {"PCM_1_PB_CH1", "DL4_CH1 Switch", "DL4"}, + {"PCM_1_PB_CH2", "DL4_CH2 Switch", "DL4"}, + + /* pcm out lpbk */ + {"PCM_Out_Lpbk_Mux", "Lpbk", "PCM 1 Playback"}, + {"I2S0", NULL, "PCM_Out_Lpbk_Mux"}, + + /* pcm in lpbk */ + {"PCM_In_Lpbk_Mux", "Lpbk", "PCM 1 Capture"}, + {"I2S3", NULL, "PCM_In_Lpbk_Mux"}, +}; + +/* 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); + struct mt8186_afe_private *afe_priv =3D afe->platform_priv; + int pcm_id =3D dai->id; + struct mtk_afe_pcm_priv *pcm_priv =3D afe_priv->dai_priv[pcm_id]; + unsigned int rate =3D params_rate(params); + unsigned int rate_reg =3D mt8186_rate_transform(afe->dev, rate, dai->id); + snd_pcm_format_t format =3D params_format(params); + unsigned int data_width =3D + snd_pcm_format_width(format); + unsigned int wlen_width =3D + snd_pcm_format_physical_width(format); + unsigned int pcm_con =3D 0; + + dev_dbg(afe->dev, "%s(), id %d, stream %d, widget active p %d, c %d\n", + __func__, dai->id, substream->stream, dai->playback_widget->active, + dai->capture_widget->active); + dev_dbg(afe->dev, "%s(), rate %d, rate_reg %d, data_width %d, wlen_width = %d\n", + __func__, rate, rate_reg, data_width, wlen_width); + + if (dai->playback_widget->active || dai->capture_widget->active) + return 0; + + switch (dai->id) { + case MT8186_DAI_PCM: + pcm_con |=3D AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT; + pcm_con |=3D AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT; + pcm_con |=3D AUD_EXT_MODEM_SELECT_EXTERNAL << PCM_EXT_MODEM_SFT; + pcm_con |=3D AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT; + pcm_con |=3D AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT; + pcm_con |=3D AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT; + pcm_con |=3D AUD_PCM_CLOCK_MASTER_MODE << PCM_SLAVE_SFT; + pcm_con |=3D 0 << PCM_SYNC_LENGTH_SFT; + + /* sampling rate */ + pcm_con |=3D rate_reg << PCM_MODE_SFT; + + /* format */ + pcm_con |=3D pcm_priv->fmt << PCM_FMT_SFT; + + /* 24bit data width */ + if (data_width > 16) + pcm_con |=3D AUD_PCM_24BIT_PCM_24_BITS << PCM_24BIT_SFT; + else + pcm_con |=3D AUD_PCM_24BIT_PCM_16_BITS << PCM_24BIT_SFT; + + /* wlen width*/ + if (wlen_width > 16) + pcm_con |=3D AUD_PCM_WLEN_PCM_64_BCK_CYCLES << PCM_WLEN_SFT; + else + pcm_con |=3D AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM_WLEN_SFT; + + /* clock invert */ + pcm_con |=3D pcm_priv->lck_invert << PCM_SYNC_OUT_INV_SFT; + pcm_con |=3D pcm_priv->bck_invert << PCM_BCLK_OUT_INV_SFT; + + regmap_update_bits(afe->regmap, PCM_INTF_CON1, 0xfffffffe, pcm_con); + break; + default: + dev_err(afe->dev, "%s(), id %d not support\n", __func__, dai->id); + return -EINVAL; + } + + return 0; +} + +static int mtk_dai_pcm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct mtk_base_afe *afe =3D snd_soc_dai_get_drvdata(dai); + struct mt8186_afe_private *afe_priv =3D afe->platform_priv; + struct mtk_afe_pcm_priv *pcm_priv =3D afe_priv->dai_priv[dai->id]; + + if (!pcm_priv) { + dev_err(afe->dev, "%s(), tdm_priv =3D=3D NULL", __func__); + return -EINVAL; + } + + /* DAI mode*/ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + pcm_priv->fmt =3D AUD_PCM_FMT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + pcm_priv->fmt =3D AUD_PCM_FMT_EIAJ; + break; + case SND_SOC_DAIFMT_DSP_A: + pcm_priv->fmt =3D AUD_PCM_FMT_PCM_MODE_A; + break; + case SND_SOC_DAIFMT_DSP_B: + pcm_priv->fmt =3D AUD_PCM_FMT_PCM_MODE_B; + break; + default: + pcm_priv->fmt =3D AUD_PCM_FMT_I2S; + } + + /* DAI clock inversion*/ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_NO_INVERSE; + pcm_priv->lck_invert =3D AUD_LRCLK_OUT_INV_NO_INVERSE; + break; + case SND_SOC_DAIFMT_NB_IF: + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_NO_INVERSE; + pcm_priv->lck_invert =3D AUD_BCLK_OUT_INV_INVERSE; + break; + case SND_SOC_DAIFMT_IB_NF: + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_INVERSE; + pcm_priv->lck_invert =3D AUD_LRCLK_OUT_INV_NO_INVERSE; + break; + case SND_SOC_DAIFMT_IB_IF: + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_INVERSE; + pcm_priv->lck_invert =3D AUD_BCLK_OUT_INV_INVERSE; + break; + default: + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_NO_INVERSE; + pcm_priv->lck_invert =3D AUD_LRCLK_OUT_INV_NO_INVERSE; + break; + } + + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_pcm_ops =3D { + .hw_params =3D mtk_dai_pcm_hw_params, + .set_fmt =3D mtk_dai_pcm_set_fmt, +}; + +/* 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 1", + .id =3D MT8186_DAI_PCM, + .playback =3D { + .stream_name =3D "PCM 1 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 1 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, + }, +}; + +static struct mtk_afe_pcm_priv *init_pcm_priv_data(struct mtk_base_afe *af= e) +{ + struct mtk_afe_pcm_priv *pcm_priv; + + pcm_priv =3D devm_kzalloc(afe->dev, sizeof(struct mtk_afe_pcm_priv), + GFP_KERNEL); + if (!pcm_priv) + return NULL; + + pcm_priv->id =3D MT8186_DAI_PCM; + pcm_priv->fmt =3D AUD_PCM_FMT_I2S; + pcm_priv->bck_invert =3D AUD_BCLK_OUT_INV_NO_INVERSE; + pcm_priv->lck_invert =3D AUD_LRCLK_OUT_INV_NO_INVERSE; + + return pcm_priv; +} + +int mt8186_dai_pcm_register(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv =3D afe->platform_priv; + struct mtk_afe_pcm_priv *pcm_priv; + struct mtk_base_afe_dai *dai; + + dai =3D devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + list_add(&dai->list, &afe->sub_dais); + + 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); + + pcm_priv =3D init_pcm_priv_data(afe); + if (!pcm_priv) + return -ENOMEM; + + afe_priv->dai_priv[MT8186_DAI_PCM] =3D pcm_priv; + + return 0; +} --=20 2.18.0