From patchwork Thu Feb 17 13:41:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 12750123 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 24077C433F5 for ; Thu, 17 Feb 2022 13:46:44 +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 5D2441A24; Thu, 17 Feb 2022 14:45:52 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5D2441A24 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1645105602; bh=QxKEC1O/LtLAKxRW+bbyw8okDJHAyaYP86SbgToiE+k=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=HtOoMcjnVwjGzMF4d8oXWQa6Ud/rVkYnR/IIEAMh4Q3oJ2DXwQoEvRWB/XREXllVH sLm10eoDaOnXavsRZUE7V352UBgglxEI9nUVvV7Hdc+TMx99MfCFUR9VgkCczqZQt2 wRQOkJ2bktNkPkiYl7k4GPJl17Lp+FJBBrXZx2lM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 961FDF80559; Thu, 17 Feb 2022 14:42:54 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 80A8FF80533; Thu, 17 Feb 2022 14:42:43 +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 CF498F8023B for ; Thu, 17 Feb 2022 14:42:29 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz CF498F8023B X-UUID: 33a878f3bced48489ce46014fa5e4dcb-20220217 X-UUID: 33a878f3bced48489ce46014fa5e4dcb-20220217 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1087931347; Thu, 17 Feb 2022 21:42:23 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Feb 2022 21:42:21 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 17 Feb 2022 21:42:20 +0800 From: Jiaxin Yu To: Subject: [v2 10/17] ASoC: mediatek: mt8186: support audio clock control in platform driver Date: Thu, 17 Feb 2022 21:41:58 +0800 Message-ID: <20220217134205.15400-11-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220217134205.15400-1-jiaxin.yu@mediatek.com> References: <20220217134205.15400-1-jiaxin.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, geert+renesas@glider.be, linux-kernel@vger.kernel.org, zhangqilong3@huawei.com, tiwai@suse.com, lgirdwood@gmail.com, Jiaxin Yu , tzungbi@google.com, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, aaronyu@google.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" This patch add audio clock control with CCF interface. Signed-off-by: Jiaxin Yu --- sound/soc/mediatek/mt8186/mt8186-afe-clk.c | 719 +++++++++++++++++++++ sound/soc/mediatek/mt8186/mt8186-afe-clk.h | 210 ++++++ 2 files changed, 929 insertions(+) create mode 100644 sound/soc/mediatek/mt8186/mt8186-afe-clk.c create mode 100644 sound/soc/mediatek/mt8186/mt8186-afe-clk.h diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-clk.c b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c new file mode 100644 index 000000000000..14f64b935619 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c @@ -0,0 +1,719 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// mt8186-afe-clk.c -- Mediatek 8186 afe clock ctrl +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Jiaxin Yu + +#include +#include +#include + +#include "mt8186-afe-common.h" +#include "mt8186-afe-clk.h" +#include "mt8186-audsys-clk.h" + +static DEFINE_MUTEX(mutex_request_dram); + +static const char *aud_clks[CLK_NUM] = { + [CLK_AFE] = "aud_afe_clk", + [CLK_DAC] = "aud_dac_clk", + [CLK_DAC_PREDIS] = "aud_dac_predis_clk", + [CLK_ADC] = "aud_adc_clk", + [CLK_TML] = "aud_tml_clk", + [CLK_APLL22M] = "aud_apll22m_clk", + [CLK_APLL24M] = "aud_apll24m_clk", + [CLK_APLL1_TUNER] = "aud_apll_tuner_clk", + [CLK_APLL2_TUNER] = "aud_apll2_tuner_clk", + [CLK_TDM] = "aud_tdm_clk", + [CLK_NLE] = "aud_nle_clk", + [CLK_DAC_HIRES] = "aud_dac_hires_clk", + [CLK_ADC_HIRES] = "aud_adc_hires_clk", + [CLK_I2S1_BCLK] = "aud_i2s1_bclk", + [CLK_I2S2_BCLK] = "aud_i2s2_bclk", + [CLK_I2S3_BCLK] = "aud_i2s3_bclk", + [CLK_I2S4_BCLK] = "aud_i2s4_bclk", + [CLK_CONNSYS_I2S_ASRC] = "aud_connsys_i2s_asrc", + [CLK_GENERAL1_ASRC] = "aud_general1_asrc", + [CLK_GENERAL2_ASRC] = "aud_general2_asrc", + [CLK_ADC_HIRES_TML] = "aud_adc_hires_tml", + [CLK_ADDA6_ADC] = "aud_adda6_adc", + [CLK_ADDA6_ADC_HIRES] = "aud_adda6_adc_hires", + [CLK_3RD_DAC] = "aud_3rd_dac", + [CLK_3RD_DAC_PREDIS] = "aud_3rd_dac_predis", + [CLK_3RD_DAC_TML] = "aud_3rd_dac_tml", + [CLK_3RD_DAC_HIRES] = "aud_3rd_dac_hires", + [CLK_ETDM_IN1_BCLK] = "aud_etdm_in1_bclk", + [CLK_ETDM_OUT1_BCLK] = "aud_etdm_out1_bclk", + [CLK_INFRA_SYS_AUDIO] = "aud_infra_clk", + [CLK_INFRA_AUDIO_26M] = "mtkaif_26m_clk", + [CLK_MUX_AUDIO] = "top_mux_audio", + [CLK_MUX_AUDIOINTBUS] = "top_mux_audio_int", + [CLK_TOP_MAINPLL_D2_D4] = "top_mainpll_d2_d4", + [CLK_TOP_MUX_AUD_1] = "top_mux_aud_1", + [CLK_TOP_APLL1_CK] = "top_apll1_ck", + [CLK_TOP_MUX_AUD_2] = "top_mux_aud_2", + [CLK_TOP_APLL2_CK] = "top_apll2_ck", + [CLK_TOP_MUX_AUD_ENG1] = "top_mux_aud_eng1", + [CLK_TOP_APLL1_D8] = "top_apll1_d8", + [CLK_TOP_MUX_AUD_ENG2] = "top_mux_aud_eng2", + [CLK_TOP_APLL2_D8] = "top_apll2_d8", + [CLK_TOP_MUX_AUDIO_H] = "top_mux_audio_h", + [CLK_TOP_I2S0_M_SEL] = "top_i2s0_m_sel", + [CLK_TOP_I2S1_M_SEL] = "top_i2s1_m_sel", + [CLK_TOP_I2S2_M_SEL] = "top_i2s2_m_sel", + [CLK_TOP_I2S4_M_SEL] = "top_i2s4_m_sel", + [CLK_TOP_TDM_M_SEL] = "top_tdm_m_sel", + [CLK_TOP_APLL12_DIV0] = "top_apll12_div0", + [CLK_TOP_APLL12_DIV1] = "top_apll12_div1", + [CLK_TOP_APLL12_DIV2] = "top_apll12_div2", + [CLK_TOP_APLL12_DIV4] = "top_apll12_div4", + [CLK_TOP_APLL12_DIV_TDM] = "top_apll12_div_tdm", + [CLK_CLK26M] = "top_clk26m_clk", +}; + +int mt8186_set_audio_int_bus_parent(struct mtk_base_afe *afe, + int clk_id) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIOINTBUS], + afe_priv->clk[clk_id]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], + aud_clks[clk_id], ret); + } + + return ret; +} + +static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + + if (enable) { + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_1]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_1], ret); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], + afe_priv->clk[CLK_TOP_APLL1_CK]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_1], + aud_clks[CLK_TOP_APLL1_CK], ret); + goto EXIT; + } + + /* 180.6336 / 8 = 22.5792MHz */ + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], ret); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], + afe_priv->clk[CLK_TOP_APLL1_D8]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], + aud_clks[CLK_TOP_APLL1_D8], ret); + goto EXIT; + } + } else { + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], + aud_clks[CLK_CLK26M], ret); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); + + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_1], + aud_clks[CLK_CLK26M], ret); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); + } +EXIT: + return 0; +} + +static int apll2_mux_setting(struct mtk_base_afe *afe, bool enable) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + + if (enable) { + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_2]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_2], ret); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], + afe_priv->clk[CLK_TOP_APLL2_CK]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_2], + aud_clks[CLK_TOP_APLL2_CK], ret); + goto EXIT; + } + + /* 196.608 / 8 = 24.576MHz */ + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], ret); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], + afe_priv->clk[CLK_TOP_APLL2_D8]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], + aud_clks[CLK_TOP_APLL2_D8], ret); + goto EXIT; + } + } else { + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], + aud_clks[CLK_CLK26M], ret); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); + + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_2], + aud_clks[CLK_CLK26M], ret); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); + } + +EXIT: + return 0; +} + +int mt8186_afe_enable_cgs(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + int i; + + for (i = CLK_I2S1_BCLK; i <= CLK_ETDM_OUT1_BCLK; i++) { + ret = clk_prepare_enable(afe_priv->clk[i]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[i], ret); + return ret; + } + } + + return 0; +} + +void mt8186_afe_disable_cgs(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int i; + + for (i = CLK_I2S1_BCLK; i <= CLK_ETDM_OUT1_BCLK; i++) + clk_disable_unprepare(afe_priv->clk[i]); +} + +int mt8186_afe_enable_clock(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret = 0; + + ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_INFRA_SYS_AUDIO], ret); + goto CLK_INFRA_SYS_AUDIO_ERR; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_AUDIO_26M]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_INFRA_AUDIO_26M], ret); + goto CLK_INFRA_AUDIO_26M_ERR; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIO]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIO], ret); + goto CLK_MUX_AUDIO_ERR; + } + ret = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIO], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIO], + aud_clks[CLK_CLK26M], ret); + goto CLK_MUX_AUDIO_ERR; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], ret); + goto CLK_MUX_AUDIO_INTBUS_ERR; + } + ret = mt8186_set_audio_int_bus_parent(afe, + CLK_TOP_MAINPLL_D2_D4); + if (ret) + goto CLK_MUX_AUDIO_INTBUS_PARENT_ERR; + + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUDIO_H], + afe_priv->clk[CLK_TOP_APLL2_CK]); + if (ret) { + dev_info(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUDIO_H], + aud_clks[CLK_TOP_APLL2_CK], ret); + goto CLK_MUX_AUDIO_H_PARENT_ERR; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_AFE]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_AFE], ret); + goto CLK_AFE_ERR; + } + + return 0; + +CLK_AFE_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_AFE]); +CLK_MUX_AUDIO_H_PARENT_ERR: +CLK_MUX_AUDIO_INTBUS_PARENT_ERR: + mt8186_set_audio_int_bus_parent(afe, CLK_CLK26M); +CLK_MUX_AUDIO_INTBUS_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); +CLK_MUX_AUDIO_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); +CLK_INFRA_SYS_AUDIO_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); +CLK_INFRA_AUDIO_26M_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_INFRA_AUDIO_26M]); + + return ret; +} + +void mt8186_afe_disable_clock(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + + clk_disable_unprepare(afe_priv->clk[CLK_AFE]); + mt8186_set_audio_int_bus_parent(afe, CLK_CLK26M); + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); + clk_disable_unprepare(afe_priv->clk[CLK_INFRA_AUDIO_26M]); + clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); +} + +int mt8186_afe_suspend_clock(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + /* set audio int bus to 26M */ + ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], ret); + goto CLK_MUX_AUDIO_INTBUS_ERR; + } + ret = mt8186_set_audio_int_bus_parent(afe, CLK_CLK26M); + if (ret) + goto CLK_MUX_AUDIO_INTBUS_PARENT_ERR; + + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + + return 0; + +CLK_MUX_AUDIO_INTBUS_PARENT_ERR: + mt8186_set_audio_int_bus_parent(afe, CLK_TOP_MAINPLL_D2_D4); +CLK_MUX_AUDIO_INTBUS_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + return ret; +} + +int mt8186_afe_resume_clock(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + /* set audio int bus to normal working clock */ + ret = clk_prepare_enable(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], ret); + goto CLK_MUX_AUDIO_INTBUS_ERR; + } + ret = mt8186_set_audio_int_bus_parent(afe, + CLK_TOP_MAINPLL_D2_D4); + if (ret) + goto CLK_MUX_AUDIO_INTBUS_PARENT_ERR; + + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + + return 0; + +CLK_MUX_AUDIO_INTBUS_PARENT_ERR: + mt8186_set_audio_int_bus_parent(afe, CLK_CLK26M); +CLK_MUX_AUDIO_INTBUS_ERR: + clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); + return ret; +} + +int mt8186_apll1_enable(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + /* setting for APLL */ + apll1_mux_setting(afe, true); + + ret = clk_prepare_enable(afe_priv->clk[CLK_APLL22M]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_APLL22M], ret); + goto ERR_CLK_APLL22M; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_APLL1_TUNER]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_APLL1_TUNER], ret); + goto ERR_CLK_APLL1_TUNER; + } + + regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, + 0x0000FFF7, 0x00000832); + regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x1); + + regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, + AFE_22M_ON_MASK_SFT, + 0x1 << AFE_22M_ON_SFT); + + return 0; + +ERR_CLK_APLL1_TUNER: + clk_disable_unprepare(afe_priv->clk[CLK_APLL1_TUNER]); +ERR_CLK_APLL22M: + clk_disable_unprepare(afe_priv->clk[CLK_APLL22M]); + + return ret; +} + +void mt8186_apll1_disable(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + + regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, + AFE_22M_ON_MASK_SFT, + 0x0 << AFE_22M_ON_SFT); + + regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0x0); + + clk_disable_unprepare(afe_priv->clk[CLK_APLL1_TUNER]); + clk_disable_unprepare(afe_priv->clk[CLK_APLL22M]); + + apll1_mux_setting(afe, false); +} + +int mt8186_apll2_enable(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + /* setting for APLL */ + apll2_mux_setting(afe, true); + + ret = clk_prepare_enable(afe_priv->clk[CLK_APLL24M]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_APLL24M], ret); + goto ERR_CLK_APLL24M; + } + + ret = clk_prepare_enable(afe_priv->clk[CLK_APLL2_TUNER]); + if (ret) { + dev_info(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_APLL2_TUNER], ret); + goto ERR_CLK_APLL2_TUNER; + } + + regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, + 0x0000FFF7, 0x00000634); + regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x1); + + regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, + AFE_24M_ON_MASK_SFT, + 0x1 << AFE_24M_ON_SFT); + + return 0; + +ERR_CLK_APLL2_TUNER: + clk_disable_unprepare(afe_priv->clk[CLK_APLL2_TUNER]); +ERR_CLK_APLL24M: + clk_disable_unprepare(afe_priv->clk[CLK_APLL24M]); + + return ret; +} + +void mt8186_apll2_disable(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + + regmap_update_bits(afe->regmap, AFE_HD_ENGEN_ENABLE, + AFE_24M_ON_MASK_SFT, + 0x0 << AFE_24M_ON_SFT); + + regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0x0); + + clk_disable_unprepare(afe_priv->clk[CLK_APLL2_TUNER]); + clk_disable_unprepare(afe_priv->clk[CLK_APLL24M]); + + apll2_mux_setting(afe, false); +} + +int mt8186_get_apll_rate(struct mtk_base_afe *afe, int apll) +{ + return (apll == MT8186_APLL1) ? 180633600 : 196608000; +} + +int mt8186_get_apll_by_rate(struct mtk_base_afe *afe, int rate) +{ + return ((rate % 8000) == 0) ? MT8186_APLL2 : MT8186_APLL1; +} + +int mt8186_get_apll_by_name(struct mtk_base_afe *afe, const char *name) +{ + if (strcmp(name, APLL1_W_NAME) == 0) + return MT8186_APLL1; + else + return MT8186_APLL2; +} + +/* mck */ +struct mt8186_mck_div { + int m_sel_id; + int div_clk_id; + /* below will be deprecated */ + int div_pdn_reg; + int div_pdn_mask_sft; + int div_reg; + int div_mask_sft; + int div_mask; + int div_sft; + int div_msb_reg; + int div_msb_mask_sft; + int div_msb_mask; + int div_msb_sft; + int div_apll_sel_reg; + int div_apll_sel_mask_sft; + int div_apll_sel_sft; + int div_inv_reg; + int div_inv_mask_sft; +}; + +static const struct mt8186_mck_div mck_div[MT8186_MCK_NUM] = { + [MT8186_I2S0_MCK] = { + .m_sel_id = CLK_TOP_I2S0_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV0, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV0_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIV0_MASK_SFT, + .div_mask = APLL12_CK_DIV0_MASK, + .div_sft = APLL12_CK_DIV0_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S0_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S0_MCK_SEL_SFT, + }, + [MT8186_I2S1_MCK] = { + .m_sel_id = CLK_TOP_I2S1_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV1, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV1_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIV1_MASK_SFT, + .div_mask = APLL12_CK_DIV1_MASK, + .div_sft = APLL12_CK_DIV1_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S1_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S1_MCK_SEL_SFT, + }, + [MT8186_I2S2_MCK] = { + .m_sel_id = CLK_TOP_I2S2_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV2, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV2_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIV2_MASK_SFT, + .div_mask = APLL12_CK_DIV2_MASK, + .div_sft = APLL12_CK_DIV2_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S2_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S2_MCK_SEL_SFT, + }, + [MT8186_I2S4_MCK] = { + .m_sel_id = CLK_TOP_I2S4_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV4, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV4_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIV4_MASK_SFT, + .div_mask = APLL12_CK_DIV4_MASK, + .div_sft = APLL12_CK_DIV4_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S4_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S4_MCK_SEL_SFT, + }, + [MT8186_TDM_MCK] = { + .m_sel_id = CLK_TOP_TDM_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV_TDM, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV_TDM_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_3, + .div_mask_sft = APLL12_CK_DIV_TDM_MASK_SFT, + .div_mask = APLL12_CK_DIV_TDM_MASK, + .div_sft = APLL12_CK_DIV_TDM_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_TDM_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_TDM_MCK_SEL_SFT, + }, +}; + +int mt8186_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int apll = mt8186_get_apll_by_rate(afe, rate); + int apll_clk_id = apll == MT8186_APLL1 ? + CLK_TOP_MUX_AUD_1 : CLK_TOP_MUX_AUD_2; + int m_sel_id = mck_div[mck_id].m_sel_id; + int div_clk_id = mck_div[mck_id].div_clk_id; + int ret; + + /* select apll */ + if (m_sel_id >= 0) { + ret = clk_prepare_enable(afe_priv->clk[m_sel_id]); + if (ret) { + dev_info(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", + __func__, aud_clks[m_sel_id], ret); + return ret; + } + ret = clk_set_parent(afe_priv->clk[m_sel_id], + afe_priv->clk[apll_clk_id]); + if (ret) { + dev_info(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[m_sel_id], + aud_clks[apll_clk_id], ret); + return ret; + } + } + + /* enable div, set rate */ + ret = clk_prepare_enable(afe_priv->clk[div_clk_id]); + if (ret) { + dev_info(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", + __func__, aud_clks[div_clk_id], ret); + return ret; + } + ret = clk_set_rate(afe_priv->clk[div_clk_id], rate); + if (ret) { + dev_info(afe->dev, "%s(), clk_set_rate %s, rate %d, fail %d\n", + __func__, aud_clks[div_clk_id], + rate, ret); + return ret; + } + + return 0; +} + +void mt8186_mck_disable(struct mtk_base_afe *afe, int mck_id) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int m_sel_id = mck_div[mck_id].m_sel_id; + int div_clk_id = mck_div[mck_id].div_clk_id; + + clk_disable_unprepare(afe_priv->clk[div_clk_id]); + if (m_sel_id >= 0) + clk_disable_unprepare(afe_priv->clk[m_sel_id]); +} + +int mt8186_init_clock(struct mtk_base_afe *afe) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + struct device_node *of_node = afe->dev->of_node; + int i = 0; + + mt8186_audsys_clk_register(afe); + + afe_priv->clk = devm_kcalloc(afe->dev, CLK_NUM, sizeof(*afe_priv->clk), + GFP_KERNEL); + if (!afe_priv->clk) + return -ENOMEM; + + for (i = 0; i < CLK_NUM; i++) { + afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]); + if (IS_ERR(afe_priv->clk[i])) { + dev_info(afe->dev, "%s devm_clk_get %s fail, ret %ld\n", + __func__, + aud_clks[i], PTR_ERR(afe_priv->clk[i])); + afe_priv->clk[i] = NULL; + } + } + + afe_priv->apmixedsys = syscon_regmap_lookup_by_phandle(of_node, + "mediatek,apmixedsys"); + if (IS_ERR(afe_priv->apmixedsys)) { + dev_err(afe->dev, "%s() Cannot find apmixedsys controller: %ld\n", + __func__, PTR_ERR(afe_priv->apmixedsys)); + return PTR_ERR(afe_priv->apmixedsys); + } + + afe_priv->topckgen = syscon_regmap_lookup_by_phandle(of_node, + "mediatek,topckgen"); + if (IS_ERR(afe_priv->topckgen)) { + dev_err(afe->dev, "%s() Cannot find topckgen controller: %ld\n", + __func__, PTR_ERR(afe_priv->topckgen)); + return PTR_ERR(afe_priv->topckgen); + } + + afe_priv->infracfg = syscon_regmap_lookup_by_phandle(of_node, + "mediatek,infracfg"); + if (IS_ERR(afe_priv->infracfg)) { + dev_err(afe->dev, "%s() Cannot find infracfg: %ld\n", + __func__, PTR_ERR(afe_priv->infracfg)); + return PTR_ERR(afe_priv->infracfg); + } + + return 0; +} + +void mt8186_deinit_clock(struct mtk_base_afe *afe) +{ + mt8186_audsys_clk_unregister(afe); +} diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-clk.h b/sound/soc/mediatek/mt8186/mt8186-afe-clk.h new file mode 100644 index 000000000000..3ce7a9a24d4a --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.h @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * mt8186-afe-clk.h -- Mediatek 8186 afe clock ctrl definition + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Jiaxin Yu + */ + +#ifndef _MT8186_AFE_CLOCK_CTRL_H_ +#define _MT8186_AFE_CLOCK_CTRL_H_ + +#define PERI_BUS_DCM_CTRL 0x0074 +#define MODULE_SW_CG_1_STA 0x0094 +#define MODULE_SW_CG_2_STA 0x00ac +#define CLK_CFG_7 0x0080 +#define CLK_CFG_8 0x0090 +#define CLK_CFG_11 0x00c0 +#define CLK_CFG_12 0x00d0 +#define CLK_CFG_13 0x00e0 +#define CLK_CFG_15 0x0100 +#define AP_PLL_CON3 0x0014 +#define APLL1_CON4 0x0328 +#define APLL1_TUNER_CON0 0x0040 +#define APLL2_CON4 0x033c +#define APLL2_TUNER_CON0 0x0044 + +#define AP_PLL_CON5 0x0014 +#define APLL1_CON0 0x02c0 +#define APLL1_CON1 0x02c4 +#define APLL1_CON2 0x02c8 +#define APLL1_CON3 0x02cc +#define APLL1_PWR_CON0 0x02d0 + +#define APLL2_CON0 0x02d4 +#define APLL2_CON1 0x02d8 +#define APLL2_CON2 0x02dc +#define APLL2_CON3 0x02e0 +#define APLL2_PWR_CON0 0x02e4 + +#define APMIXEDSYS_MAX_LENGTH APLL2_PWR_CON0 + +#define CLK_CFG_6 0x0080 +#define CLK_AUDDIV_0 0x0320 +#define CLK_AUDDIV_1 0x0324 +#define CLK_AUDDIV_2 0x0328 +#define CKSYS_AUD_TOP_CFG 0x032c +#define CKSYS_AUD_TOP_MON 0x0330 +#define CLK_AUDDIV_3 0x0334 + +#define CLK_MAX_LENGTH CLK_AUDDIV_3 + +/* CLK_CFG_6 */ +#define CLK_AUD_INTBUS_SEL_SFT 16 +#define CLK_AUD_INTBUS_SEL_MASK 0x3 +#define CLK_AUD_INTBUS_SEL_MASK_SFT (0x3 << 16) + +/* CLK_AUDDIV_0 */ +#define APLL12_DIV0_PDN_SFT 0 +#define APLL12_DIV0_PDN_MASK 0x1 +#define APLL12_DIV0_PDN_MASK_SFT (0x1 << 0) +#define APLL12_DIV1_PDN_SFT 1 +#define APLL12_DIV1_PDN_MASK 0x1 +#define APLL12_DIV1_PDN_MASK_SFT (0x1 << 1) +#define APLL12_DIV2_PDN_SFT 2 +#define APLL12_DIV2_PDN_MASK 0x1 +#define APLL12_DIV2_PDN_MASK_SFT (0x1 << 2) +#define APLL12_DIV4_PDN_SFT 3 +#define APLL12_DIV4_PDN_MASK 0x1 +#define APLL12_DIV4_PDN_MASK_SFT (0x1 << 3) +#define APLL12_DIV_TDM_PDN_SFT 4 +#define APLL12_DIV_TDM_PDN_MASK 0x1 +#define APLL12_DIV_TDM_PDN_MASK_SFT (0x1 << 4) +#define APLL_I2S0_MCK_SEL_SFT 16 +#define APLL_I2S0_MCK_SEL_MASK 0x1 +#define APLL_I2S0_MCK_SEL_MASK_SFT (0x1 << 16) +#define APLL_I2S1_MCK_SEL_SFT 17 +#define APLL_I2S1_MCK_SEL_MASK 0x1 +#define APLL_I2S1_MCK_SEL_MASK_SFT (0x1 << 17) +#define APLL_I2S2_MCK_SEL_SFT 18 +#define APLL_I2S2_MCK_SEL_MASK 0x1 +#define APLL_I2S2_MCK_SEL_MASK_SFT (0x1 << 17) +#define APLL_I2S4_MCK_SEL_SFT 19 +#define APLL_I2S4_MCK_SEL_MASK 0x1 +#define APLL_I2S4_MCK_SEL_MASK_SFT (0x1 << 19) +#define APLL_TDM_MCK_SEL_SFT 20 +#define APLL_TDM_MCK_SEL_MASK 0x1 +#define APLL_TDM_MCK_SEL_MASK_SFT (0x1 << 20) + +/* CLK_AUDDIV_2 */ +#define APLL12_CK_DIV0_SFT 0 +#define APLL12_CK_DIV0_MASK 0xff +#define APLL12_CK_DIV0_MASK_SFT (0xff << 0) +#define APLL12_CK_DIV1_SFT 8 +#define APLL12_CK_DIV1_MASK 0xff +#define APLL12_CK_DIV1_MASK_SFT (0xff << 8) +#define APLL12_CK_DIV2_SFT 16 +#define APLL12_CK_DIV2_MASK 0xff +#define APLL12_CK_DIV2_MASK_SFT (0xff << 16) +#define APLL12_CK_DIV4_SFT 24 +#define APLL12_CK_DIV4_MASK 0xff +#define APLL12_CK_DIV4_MASK_SFT (0xff << 24) + +/* CLK_AUDDIV_3 */ +#define APLL12_CK_DIV_TDM_SFT 0 +#define APLL12_CK_DIV_TDM_MASK 0xff +#define APLL12_CK_DIV_TDM_MASK_SFT (0xff << 0) + +/* AUD_TOP_CFG */ +#define AUD_TOP_CFG_SFT 0 +#define AUD_TOP_CFG_MASK 0xffffffff +#define AUD_TOP_CFG_MASK_SFT (0xffffffff << 0) + +/* AUD_TOP_MON */ +#define AUD_TOP_MON_SFT 0 +#define AUD_TOP_MON_MASK 0xffffffff +#define AUD_TOP_MON_MASK_SFT (0xffffffff << 0) + +/* APLL */ +#define APLL1_W_NAME "APLL1" +#define APLL2_W_NAME "APLL2" +enum { + MT8186_APLL1 = 0, + MT8186_APLL2, +}; + +enum { + CLK_AFE = 0, + CLK_DAC, + CLK_DAC_PREDIS, + CLK_ADC, + CLK_TML, + CLK_APLL22M, + CLK_APLL24M, + CLK_APLL1_TUNER, + CLK_APLL2_TUNER, + CLK_TDM, + CLK_NLE, + CLK_DAC_HIRES, + CLK_ADC_HIRES, + CLK_I2S1_BCLK, + CLK_I2S2_BCLK, + CLK_I2S3_BCLK, + CLK_I2S4_BCLK, + CLK_CONNSYS_I2S_ASRC, + CLK_GENERAL1_ASRC, + CLK_GENERAL2_ASRC, + CLK_ADC_HIRES_TML, + CLK_ADDA6_ADC, + CLK_ADDA6_ADC_HIRES, + CLK_3RD_DAC, + CLK_3RD_DAC_PREDIS, + CLK_3RD_DAC_TML, + CLK_3RD_DAC_HIRES, + CLK_ETDM_IN1_BCLK, + CLK_ETDM_OUT1_BCLK, + CLK_INFRA_SYS_AUDIO, + CLK_INFRA_AUDIO_26M, + CLK_MUX_AUDIO, + CLK_MUX_AUDIOINTBUS, + CLK_TOP_MAINPLL_D2_D4, + /* apll related mux */ + CLK_TOP_MUX_AUD_1, + CLK_TOP_APLL1_CK, + CLK_TOP_MUX_AUD_2, + CLK_TOP_APLL2_CK, + CLK_TOP_MUX_AUD_ENG1, + CLK_TOP_APLL1_D8, + CLK_TOP_MUX_AUD_ENG2, + CLK_TOP_APLL2_D8, + CLK_TOP_MUX_AUDIO_H, + CLK_TOP_I2S0_M_SEL, + CLK_TOP_I2S1_M_SEL, + CLK_TOP_I2S2_M_SEL, + CLK_TOP_I2S4_M_SEL, + CLK_TOP_TDM_M_SEL, + CLK_TOP_APLL12_DIV0, + CLK_TOP_APLL12_DIV1, + CLK_TOP_APLL12_DIV2, + CLK_TOP_APLL12_DIV4, + CLK_TOP_APLL12_DIV_TDM, + CLK_CLK26M, + CLK_NUM +}; + +struct mtk_base_afe; +int mt8186_set_audio_int_bus_parent(struct mtk_base_afe *afe, int clk_id); +int mt8186_init_clock(struct mtk_base_afe *afe); +void mt8186_deinit_clock(struct mtk_base_afe *afe); +int mt8186_afe_enable_cgs(struct mtk_base_afe *afe); +void mt8186_afe_disable_cgs(struct mtk_base_afe *afe); +int mt8186_afe_enable_clock(struct mtk_base_afe *afe); +void mt8186_afe_disable_clock(struct mtk_base_afe *afe); +int mt8186_afe_suspend_clock(struct mtk_base_afe *afe); +int mt8186_afe_resume_clock(struct mtk_base_afe *afe); + +int mt8186_apll1_enable(struct mtk_base_afe *afe); +void mt8186_apll1_disable(struct mtk_base_afe *afe); + +int mt8186_apll2_enable(struct mtk_base_afe *afe); +void mt8186_apll2_disable(struct mtk_base_afe *afe); + +int mt8186_get_apll_rate(struct mtk_base_afe *afe, int apll); +int mt8186_get_apll_by_rate(struct mtk_base_afe *afe, int rate); +int mt8186_get_apll_by_name(struct mtk_base_afe *afe, const char *name); + +/* these will be replaced by using CCF */ +int mt8186_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate); +void mt8186_mck_disable(struct mtk_base_afe *afe, int mck_id); + +#endif