[v3,11/19] ASoC: mediatek: mt8186: support audio clock control in platform driver

Message ID	20220313151023.21229-12-jiaxin.yu@mediatek.com
State	Superseded
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: Jiaxin Yu <jiaxin.yu@mediatek.com> To: <broonie@kernel.org>, <robh+dt@kernel.org>, <angelogioacchino.delregno@collabora.com> Subject: [v3 11/19] ASoC: mediatek: mt8186: support audio clock control in platform driver Date: Sun, 13 Mar 2022 23:10:15 +0800 Message-ID: <20220313151023.21229-12-jiaxin.yu@mediatek.com> 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: 8bit Content-Type: text/plain Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Jiaxin Yu <jiaxin.yu@mediatek.com>, Project_Global_Chrome_Upstream_Group@mediatek.com, tzungbi@google.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, matthias.bgg@gmail.com, aaronyu@google.com, julianbraha@gmail.com, linux-arm-kernel@lists.infradead.org Precedence: list Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" <alsa-devel-bounces@alsa-project.org>
Series	ASoC: mediatek: Add support for MT8186 SoC \| expand [v3,00/19] ASoC: mediatek: Add support for MT8186 SoC [v3,01/19] ASoC: mediatek: mt6366: support for mt6366 codec [v3,02/19] dt-bindings: mediatek: mt6358: add new compatible for using mt6366 [v3,03/19] ASoC: mediatek: mt8186: support audsys clock control [v3,04/19] ASoC: mediatek: mt8186: support adda in platform driver [v3,05/19] ASoC: mediatek: mt8186: support hostless in platform driver [v3,06/19] ASoC: mediatek: mt8186: support hw gain in platform driver [v3,07/19] ASoC: mediatek: mt8186: support i2s in platform driver [v3,08/19] ASoC: mediatek: mt8186: support pcm in platform driver [v3,09/19] ASoC: mediatek: mt8186: support src in platform driver [v3,10/19] ASoC: mediatek: mt8186: support tdm in platform driver [v3,11/19] ASoC: mediatek: mt8186: support audio clock control in platform driver [v3,12/19] ASoC: mediatek: mt8186: support gpio control in platform driver [v3,13/19] ASoC: mediatek: mt8186: add platform driver [v3,14/19] dt-bindings: mediatek: mt8186: add audio afe document [v3,15/19] ASoC: mediatek: mt8186: add machine driver with mt6366, da7219 and max98357 [v3,16/19] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document [v3,17/19] ASoC: mediatek: mt8186: add machine driver with mt6366, rt1019 and rt5682s [v3,18/19] dt-bindings: mediatek: mt8186: add mt8186-mt6366-rt1019-rt5682s document [v3,19/19] ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs

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..0275f66ddc18 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c @@ -0,0 +1,651 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// mt8186-afe-clk.c -- Mediatek 8186 afe clock ctrl +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Jiaxin Yu <jiaxin.yu@mediatek.com> + +#include <linux/clk.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> + +#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_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], + aud_clks[clk_id], ret); + return ret; + } + + return 0; +} + +static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int ret; + + if (enable) { + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_1]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_1], ret); + return ret; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], + afe_priv->clk[CLK_TOP_APLL1_CK]); + if (ret) { + dev_err(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); + return ret; + } + + /* 180.6336 / 8 = 22.5792MHz */ + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], ret); + return ret; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], + afe_priv->clk[CLK_TOP_APLL1_D8]); + if (ret) { + dev_err(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); + return ret; + } + } else { + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG1], + aud_clks[CLK_CLK26M], ret); + return ret; + } + 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_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_1], + aud_clks[CLK_CLK26M], ret); + return ret; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); + } + + 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; + + if (enable) { + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_2]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_2], ret); + return ret; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], + afe_priv->clk[CLK_TOP_APLL2_CK]); + if (ret) { + dev_err(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); + return ret; + } + + /* 196.608 / 8 = 24.576MHz */ + ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); + if (ret) { + dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], ret); + return ret; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], + afe_priv->clk[CLK_TOP_APLL2_D8]); + if (ret) { + dev_err(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); + return ret; + } + } else { + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], + afe_priv->clk[CLK_CLK26M]); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_ENG2], + aud_clks[CLK_CLK26M], ret); + return ret; + } + 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_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_TOP_MUX_AUD_2], + aud_clks[CLK_CLK26M], ret); + return ret; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); + } + + 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_err(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_err(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_err(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_err(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_err(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_err(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_err(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_err(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_err(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_err(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, 0xfff7, 0x832); + 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, BIT(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, 0); + + regmap_update_bits(afe->regmap, AFE_APLL1_TUNER_CFG, 0x1, 0); + + 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_err(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_err(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, 0xfff7, 0x634); + 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, BIT(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, 0); + + regmap_update_bits(afe->regmap, AFE_APLL2_TUNER_CFG, 0x1, 0); + + 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; + + return MT8186_APLL2; +} + +/* mck */ +struct mt8186_mck_div { + u32 m_sel_id; + u32 div_clk_id; +}; + +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, + }, + [MT8186_I2S1_MCK] = { + .m_sel_id = CLK_TOP_I2S1_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV1, + }, + [MT8186_I2S2_MCK] = { + .m_sel_id = CLK_TOP_I2S2_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV2, + }, + [MT8186_I2S4_MCK] = { + .m_sel_id = CLK_TOP_I2S4_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV4, + }, + [MT8186_TDM_MCK] = { + .m_sel_id = CLK_TOP_TDM_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV_TDM, + }, +}; + +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_err(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_err(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_err(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_err(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_err(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..c539557d7c78 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * mt8186-afe-clk.h -- Mediatek 8186 afe clock ctrl definition + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Jiaxin Yu <jiaxin.yu@mediatek.com> + */ + +#ifndef _MT8186_AFE_CLOCK_CTRL_H_ +#define _MT8186_AFE_CLOCK_CTRL_H_ + +#define PERI_BUS_DCM_CTRL 0x74 + +/* 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

[v3,11/19] ASoC: mediatek: mt8186: support audio clock control in platform driver

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Patch