[v2,07/12] ASoC: mediatek: mt8188: support audio clock control

Message ID	20221021082719.18325-8-trevor.wu@mediatek.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: Trevor Wu <trevor.wu@mediatek.com> To: <broonie@kernel.org>, <tiwai@suse.com>, <robh+dt@kernel.org>, <matthias.bgg@gmail.com>, <p.zabel@pengutronix.de> Subject: [PATCH v2 07/12] ASoC: mediatek: mt8188: support audio clock control Date: Fri, 21 Oct 2022 16:27:14 +0800 Message-ID: <20221021082719.18325-8-trevor.wu@mediatek.com> In-Reply-To: <20221021082719.18325-1-trevor.wu@mediatek.com> References: <20221021082719.18325-1-trevor.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Project_Global_Chrome_Upstream_Group@mediatek.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, linux-arm-kernel@lists.infradead.org, angelogioacchino.delregno@collabora.com 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 MT8188 SoC \| expand [v2,00/12] ASoC: mediatek: Add support for MT8188 SoC [v2,01/12] ASoC: mediatek: common: add SMC ops and SMC CMD [v2,02/12] ASoC: mediatek: mt8188: add common header [v2,03/12] ASoC: mediatek: mt8188: support audsys clock [v2,04/12] ASoC: mediatek: mt8188: support adda in platform driver [v2,05/12] ASoC: mediatek: mt8188: support etdm in platform driver [v2,06/12] ASoC: mediatek: mt8188: support pcmif in platform driver [v2,07/12] ASoC: mediatek: mt8188: support audio clock control [v2,08/12] ASoC: mediatek: mt8188: add platform driver [v2,09/12] ASoC: mediatek: mt8188: add control for timing select [v2,10/12] dt-bindings: mediatek: mt8188: add audio afe document [v2,11/12] ASoC: mediatek: mt8188: add machine driver with mt6359 [v2,12/12] dt-bindings: mediatek: mt8188: add mt8188-mt6359 document

diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-clk.c b/sound/soc/mediatek/mt8188/mt8188-afe-clk.c new file mode 100644 index 000000000000..67fecc5eeaf9 --- /dev/null +++ b/sound/soc/mediatek/mt8188/mt8188-afe-clk.c @@ -0,0 +1,656 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * mt8188-afe-clk.c -- MediaTek 8188 afe clock ctrl + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Bicycle Tsai <bicycle.tsai@mediatek.com> + * Trevor Wu <trevor.wu@mediatek.com> + * Chun-Chia Chiu <chun-chia.chiu@mediatek.com> + */ + +#include <linux/clk.h> + +#include "mt8188-afe-common.h" +#include "mt8188-afe-clk.h" +#include "mt8188-audsys-clk.h" +#include "mt8188-reg.h" + +static const char *aud_clks[MT8188_CLK_NUM] = { + /* xtal */ + [MT8188_CLK_XTAL_26M] = "clk26m", + + /* divider */ + [MT8188_CLK_TOP_APLL1] = "apll1_ck", + [MT8188_CLK_TOP_APLL2] = "apll2_ck", + [MT8188_CLK_TOP_APLL12_DIV0] = "apll12_div0", + [MT8188_CLK_TOP_APLL12_DIV1] = "apll12_div1", + [MT8188_CLK_TOP_APLL12_DIV2] = "apll12_div2", + [MT8188_CLK_TOP_APLL12_DIV3] = "apll12_div3", + [MT8188_CLK_TOP_APLL12_DIV9] = "apll12_div9", + + /* mux */ + [MT8188_CLK_TOP_A1SYS_HP_SEL] = "top_a1sys_hp", + [MT8188_CLK_TOP_AUD_INTBUS_SEL] = "top_aud_intbus", + [MT8188_CLK_TOP_AUDIO_H_SEL] = "top_audio_h", + [MT8188_CLK_TOP_AUDIO_LOCAL_BUS_SEL] = "top_audio_local_bus", + [MT8188_CLK_TOP_DPTX_M_SEL] = "top_dptx", + [MT8188_CLK_TOP_I2SO1_M_SEL] = "top_i2so1", + [MT8188_CLK_TOP_I2SO2_M_SEL] = "top_i2so2", + [MT8188_CLK_TOP_I2SI1_M_SEL] = "top_i2si1", + [MT8188_CLK_TOP_I2SI2_M_SEL] = "top_i2si2", + + /* clock gate */ + [MT8188_CLK_ADSP_AUDIO_26M] = "adsp_audio_26m", + /* afe clock gate */ + [MT8188_CLK_AUD_AFE] = "aud_afe", + [MT8188_CLK_AUD_APLL1_TUNER] = "aud_apll1_tuner", + [MT8188_CLK_AUD_APLL2_TUNER] = "aud_apll2_tuner", + [MT8188_CLK_AUD_APLL] = "aud_apll", + [MT8188_CLK_AUD_APLL2] = "aud_apll2", + [MT8188_CLK_AUD_DAC] = "aud_dac", + [MT8188_CLK_AUD_ADC] = "aud_adc", + [MT8188_CLK_AUD_DAC_HIRES] = "aud_dac_hires", + [MT8188_CLK_AUD_A1SYS_HP] = "aud_a1sys_hp", + [MT8188_CLK_AUD_ADC_HIRES] = "aud_adc_hires", + [MT8188_CLK_AUD_I2SIN] = "aud_i2sin", + [MT8188_CLK_AUD_TDM_IN] = "aud_tdm_in", + [MT8188_CLK_AUD_I2S_OUT] = "aud_i2s_out", + [MT8188_CLK_AUD_TDM_OUT] = "aud_tdm_out", + [MT8188_CLK_AUD_HDMI_OUT] = "aud_hdmi_out", + [MT8188_CLK_AUD_ASRC11] = "aud_asrc11", + [MT8188_CLK_AUD_ASRC12] = "aud_asrc12", + [MT8188_CLK_AUD_A1SYS] = "aud_a1sys", + [MT8188_CLK_AUD_A2SYS] = "aud_a2sys", + [MT8188_CLK_AUD_PCMIF] = "aud_pcmif", + [MT8188_CLK_AUD_MEMIF_UL1] = "aud_memif_ul1", + [MT8188_CLK_AUD_MEMIF_UL2] = "aud_memif_ul2", + [MT8188_CLK_AUD_MEMIF_UL3] = "aud_memif_ul3", + [MT8188_CLK_AUD_MEMIF_UL4] = "aud_memif_ul4", + [MT8188_CLK_AUD_MEMIF_UL5] = "aud_memif_ul5", + [MT8188_CLK_AUD_MEMIF_UL6] = "aud_memif_ul6", + [MT8188_CLK_AUD_MEMIF_UL8] = "aud_memif_ul8", + [MT8188_CLK_AUD_MEMIF_UL9] = "aud_memif_ul9", + [MT8188_CLK_AUD_MEMIF_UL10] = "aud_memif_ul10", + [MT8188_CLK_AUD_MEMIF_DL2] = "aud_memif_dl2", + [MT8188_CLK_AUD_MEMIF_DL3] = "aud_memif_dl3", + [MT8188_CLK_AUD_MEMIF_DL6] = "aud_memif_dl6", + [MT8188_CLK_AUD_MEMIF_DL7] = "aud_memif_dl7", + [MT8188_CLK_AUD_MEMIF_DL8] = "aud_memif_dl8", + [MT8188_CLK_AUD_MEMIF_DL10] = "aud_memif_dl10", + [MT8188_CLK_AUD_MEMIF_DL11] = "aud_memif_dl11", +}; + +struct mt8188_afe_tuner_cfg { + unsigned int id; + int apll_div_reg; + unsigned int apll_div_shift; + unsigned int apll_div_maskbit; + unsigned int apll_div_default; + int ref_ck_sel_reg; + unsigned int ref_ck_sel_shift; + unsigned int ref_ck_sel_maskbit; + unsigned int ref_ck_sel_default; + int tuner_en_reg; + unsigned int tuner_en_shift; + unsigned int tuner_en_maskbit; + int upper_bound_reg; + unsigned int upper_bound_shift; + unsigned int upper_bound_maskbit; + unsigned int upper_bound_default; + spinlock_t ctrl_lock; /* lock for apll tuner ctrl*/ + int ref_cnt; +}; + +static struct mt8188_afe_tuner_cfg + mt8188_afe_tuner_cfgs[MT8188_AUD_PLL_NUM] = { + [MT8188_AUD_PLL1] = { + .id = MT8188_AUD_PLL1, + .apll_div_reg = AFE_APLL_TUNER_CFG, + .apll_div_shift = 4, + .apll_div_maskbit = 0xf, + .apll_div_default = 0x7, + .ref_ck_sel_reg = AFE_APLL_TUNER_CFG, + .ref_ck_sel_shift = 1, + .ref_ck_sel_maskbit = 0x3, + .ref_ck_sel_default = 0x2, + .tuner_en_reg = AFE_APLL_TUNER_CFG, + .tuner_en_shift = 0, + .tuner_en_maskbit = 0x1, + .upper_bound_reg = AFE_APLL_TUNER_CFG, + .upper_bound_shift = 8, + .upper_bound_maskbit = 0xff, + .upper_bound_default = 0x3, + }, + [MT8188_AUD_PLL2] = { + .id = MT8188_AUD_PLL2, + .apll_div_reg = AFE_APLL_TUNER_CFG1, + .apll_div_shift = 4, + .apll_div_maskbit = 0xf, + .apll_div_default = 0x7, + .ref_ck_sel_reg = AFE_APLL_TUNER_CFG1, + .ref_ck_sel_shift = 1, + .ref_ck_sel_maskbit = 0x3, + .ref_ck_sel_default = 0x1, + .tuner_en_reg = AFE_APLL_TUNER_CFG1, + .tuner_en_shift = 0, + .tuner_en_maskbit = 0x1, + .upper_bound_reg = AFE_APLL_TUNER_CFG1, + .upper_bound_shift = 8, + .upper_bound_maskbit = 0xff, + .upper_bound_default = 0x3, + }, + [MT8188_AUD_PLL3] = { + .id = MT8188_AUD_PLL3, + .apll_div_reg = AFE_EARC_APLL_TUNER_CFG, + .apll_div_shift = 4, + .apll_div_maskbit = 0x3f, + .apll_div_default = 0x3, + .ref_ck_sel_reg = AFE_EARC_APLL_TUNER_CFG, + .ref_ck_sel_shift = 24, + .ref_ck_sel_maskbit = 0x3, + .ref_ck_sel_default = 0x0, + .tuner_en_reg = AFE_EARC_APLL_TUNER_CFG, + .tuner_en_shift = 0, + .tuner_en_maskbit = 0x1, + .upper_bound_reg = AFE_EARC_APLL_TUNER_CFG, + .upper_bound_shift = 12, + .upper_bound_maskbit = 0xff, + .upper_bound_default = 0x4, + }, + [MT8188_AUD_PLL4] = { + .id = MT8188_AUD_PLL4, + .apll_div_reg = AFE_SPDIFIN_APLL_TUNER_CFG, + .apll_div_shift = 4, + .apll_div_maskbit = 0x3f, + .apll_div_default = 0x7, + .ref_ck_sel_reg = AFE_SPDIFIN_APLL_TUNER_CFG1, + .ref_ck_sel_shift = 8, + .ref_ck_sel_maskbit = 0x1, + .ref_ck_sel_default = 0, + .tuner_en_reg = AFE_SPDIFIN_APLL_TUNER_CFG, + .tuner_en_shift = 0, + .tuner_en_maskbit = 0x1, + .upper_bound_reg = AFE_SPDIFIN_APLL_TUNER_CFG, + .upper_bound_shift = 12, + .upper_bound_maskbit = 0xff, + .upper_bound_default = 0x4, + }, + [MT8188_AUD_PLL5] = { + .id = MT8188_AUD_PLL5, + .apll_div_reg = AFE_LINEIN_APLL_TUNER_CFG, + .apll_div_shift = 4, + .apll_div_maskbit = 0x3f, + .apll_div_default = 0x3, + .ref_ck_sel_reg = AFE_LINEIN_APLL_TUNER_CFG, + .ref_ck_sel_shift = 24, + .ref_ck_sel_maskbit = 0x1, + .ref_ck_sel_default = 0, + .tuner_en_reg = AFE_LINEIN_APLL_TUNER_CFG, + .tuner_en_shift = 0, + .tuner_en_maskbit = 0x1, + .upper_bound_reg = AFE_LINEIN_APLL_TUNER_CFG, + .upper_bound_shift = 12, + .upper_bound_maskbit = 0xff, + .upper_bound_default = 0x4, + }, +}; + +static struct mt8188_afe_tuner_cfg *mt8188_afe_found_apll_tuner(unsigned int id) +{ + if (id >= MT8188_AUD_PLL_NUM) + return NULL; + + return &mt8188_afe_tuner_cfgs[id]; +} + +static int mt8188_afe_init_apll_tuner(unsigned int id) +{ + struct mt8188_afe_tuner_cfg *cfg = mt8188_afe_found_apll_tuner(id); + + if (!cfg) + return -EINVAL; + + cfg->ref_cnt = 0; + spin_lock_init(&cfg->ctrl_lock); + + return 0; +} + +static int mt8188_afe_setup_apll_tuner(struct mtk_base_afe *afe, unsigned int id) +{ + const struct mt8188_afe_tuner_cfg *cfg = mt8188_afe_found_apll_tuner(id); + + if (!cfg) + return -EINVAL; + + regmap_update_bits(afe->regmap, + cfg->apll_div_reg, + cfg->apll_div_maskbit << cfg->apll_div_shift, + cfg->apll_div_default << cfg->apll_div_shift); + + regmap_update_bits(afe->regmap, + cfg->ref_ck_sel_reg, + cfg->ref_ck_sel_maskbit << cfg->ref_ck_sel_shift, + cfg->ref_ck_sel_default << cfg->ref_ck_sel_shift); + + regmap_update_bits(afe->regmap, + cfg->upper_bound_reg, + cfg->upper_bound_maskbit << cfg->upper_bound_shift, + cfg->upper_bound_default << cfg->upper_bound_shift); + + return 0; +} + +static int mt8188_afe_enable_tuner_clk(struct mtk_base_afe *afe, + unsigned int id) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + switch (id) { + case MT8188_AUD_PLL1: + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL]); + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL1_TUNER]); + break; + case MT8188_AUD_PLL2: + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL2]); + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL2_TUNER]); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int mt8188_afe_disable_tuner_clk(struct mtk_base_afe *afe, + unsigned int id) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + switch (id) { + case MT8188_AUD_PLL1: + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL1_TUNER]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL]); + break; + case MT8188_AUD_PLL2: + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL2_TUNER]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_APLL2]); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int mt8188_afe_enable_apll_tuner(struct mtk_base_afe *afe, unsigned int id) +{ + struct mt8188_afe_tuner_cfg *cfg = mt8188_afe_found_apll_tuner(id); + unsigned long flags; + int ret; + + if (!cfg) + return -EINVAL; + + ret = mt8188_afe_setup_apll_tuner(afe, id); + if (ret) + return ret; + + ret = mt8188_afe_enable_tuner_clk(afe, id); + if (ret) + return ret; + + spin_lock_irqsave(&cfg->ctrl_lock, flags); + + cfg->ref_cnt++; + if (cfg->ref_cnt == 1) + regmap_update_bits(afe->regmap, + cfg->tuner_en_reg, + cfg->tuner_en_maskbit << cfg->tuner_en_shift, + BIT(cfg->tuner_en_shift)); + + spin_unlock_irqrestore(&cfg->ctrl_lock, flags); + + return 0; +} + +static int mt8188_afe_disable_apll_tuner(struct mtk_base_afe *afe, unsigned int id) +{ + struct mt8188_afe_tuner_cfg *cfg = mt8188_afe_found_apll_tuner(id); + unsigned long flags; + int ret; + + if (!cfg) + return -EINVAL; + + spin_lock_irqsave(&cfg->ctrl_lock, flags); + + cfg->ref_cnt--; + if (cfg->ref_cnt == 0) + regmap_update_bits(afe->regmap, + cfg->tuner_en_reg, + cfg->tuner_en_maskbit << cfg->tuner_en_shift, + 0 << cfg->tuner_en_shift); + else if (cfg->ref_cnt < 0) + cfg->ref_cnt = 0; + + spin_unlock_irqrestore(&cfg->ctrl_lock, flags); + + ret = mt8188_afe_disable_tuner_clk(afe, id); + if (ret) + return ret; + + return 0; +} + +int mt8188_afe_get_mclk_source_clk_id(int sel) +{ + switch (sel) { + case MT8188_MCK_SEL_26M: + return MT8188_CLK_XTAL_26M; + case MT8188_MCK_SEL_APLL1: + return MT8188_CLK_TOP_APLL1; + case MT8188_MCK_SEL_APLL2: + return MT8188_CLK_TOP_APLL2; + default: + return -EINVAL; + } +} + +int mt8188_afe_get_mclk_source_rate(struct mtk_base_afe *afe, int apll) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + int clk_id = mt8188_afe_get_mclk_source_clk_id(apll); + + if (clk_id < 0) { + dev_dbg(afe->dev, "invalid clk id\n"); + return 0; + } + + return clk_get_rate(afe_priv->clk[clk_id]); +} + +int mt8188_afe_get_default_mclk_source_by_rate(int rate) +{ + return ((rate % 8000) == 0) ? + MT8188_MCK_SEL_APLL1 : MT8188_MCK_SEL_APLL2; +} + +int mt8188_afe_init_clock(struct mtk_base_afe *afe) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + int i, ret; + + ret = mt8188_audsys_clk_register(afe); + if (ret) { + dev_err(afe->dev, "register audsys clk fail %d\n", ret); + return ret; + } + + afe_priv->clk = + devm_kcalloc(afe->dev, MT8188_CLK_NUM, sizeof(*afe_priv->clk), + GFP_KERNEL); + if (!afe_priv->clk) + return -ENOMEM; + + for (i = 0; i < MT8188_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])); + return PTR_ERR(afe_priv->clk[i]); + } + } + + /* initial tuner */ + for (i = 0; i < MT8188_AUD_PLL_NUM; i++) { + ret = mt8188_afe_init_apll_tuner(i); + if (ret) { + dev_info(afe->dev, "%s(), init apll_tuner%d failed", + __func__, (i + 1)); + return -EINVAL; + } + } + + return 0; +} + +void mt8188_afe_deinit_clock(void *priv) +{ + struct mtk_base_afe *afe = priv; + + mt8188_audsys_clk_unregister(afe); +} + +int mt8188_afe_enable_clk(struct mtk_base_afe *afe, struct clk *clk) +{ + int ret; + + if (clk) { + ret = clk_prepare_enable(clk); + if (ret) { + dev_dbg(afe->dev, "%s(), failed to enable clk\n", + __func__); + return ret; + } + } else { + dev_dbg(afe->dev, "NULL clk\n"); + } + return 0; +} +EXPORT_SYMBOL_GPL(mt8188_afe_enable_clk); + +void mt8188_afe_disable_clk(struct mtk_base_afe *afe, struct clk *clk) +{ + if (clk) + clk_disable_unprepare(clk); + else + dev_dbg(afe->dev, "NULL clk\n"); +} +EXPORT_SYMBOL_GPL(mt8188_afe_disable_clk); + +int mt8188_afe_set_clk_rate(struct mtk_base_afe *afe, struct clk *clk, + unsigned int rate) +{ + int ret; + + if (clk) { + ret = clk_set_rate(clk, rate); + if (ret) { + dev_dbg(afe->dev, "%s(), failed to set clk rate\n", + __func__); + return ret; + } + } + + return 0; +} + +int mt8188_afe_set_clk_parent(struct mtk_base_afe *afe, struct clk *clk, + struct clk *parent) +{ + int ret; + + if (clk && parent) { + ret = clk_set_parent(clk, parent); + if (ret) { + dev_dbg(afe->dev, "%s(), failed to set clk parent\n", + __func__); + return ret; + } + } + + return 0; +} + +static unsigned int get_top_cg_reg(unsigned int cg_type) +{ + switch (cg_type) { + case MT8188_TOP_CG_A1SYS_TIMING: + case MT8188_TOP_CG_A2SYS_TIMING: + case MT8188_TOP_CG_26M_TIMING: + return ASYS_TOP_CON; + default: + return 0; + } +} + +static unsigned int get_top_cg_mask(unsigned int cg_type) +{ + switch (cg_type) { + case MT8188_TOP_CG_A1SYS_TIMING: + return ASYS_TOP_CON_A1SYS_TIMING_ON; + case MT8188_TOP_CG_A2SYS_TIMING: + return ASYS_TOP_CON_A2SYS_TIMING_ON; + case MT8188_TOP_CG_26M_TIMING: + return ASYS_TOP_CON_26M_TIMING_ON; + default: + return 0; + } +} + +static unsigned int get_top_cg_on_val(unsigned int cg_type) +{ + switch (cg_type) { + case MT8188_TOP_CG_A1SYS_TIMING: + case MT8188_TOP_CG_A2SYS_TIMING: + case MT8188_TOP_CG_26M_TIMING: + return get_top_cg_mask(cg_type); + default: + return 0; + } +} + +static unsigned int get_top_cg_off_val(unsigned int cg_type) +{ + switch (cg_type) { + case MT8188_TOP_CG_A1SYS_TIMING: + case MT8188_TOP_CG_A2SYS_TIMING: + case MT8188_TOP_CG_26M_TIMING: + return 0; + default: + return get_top_cg_mask(cg_type); + } +} + +static int mt8188_afe_enable_top_cg(struct mtk_base_afe *afe, unsigned int cg_type) +{ + unsigned int reg = get_top_cg_reg(cg_type); + unsigned int mask = get_top_cg_mask(cg_type); + unsigned int val = get_top_cg_on_val(cg_type); + + regmap_update_bits(afe->regmap, reg, mask, val); + + return 0; +} + +static int mt8188_afe_disable_top_cg(struct mtk_base_afe *afe, unsigned int cg_type) +{ + unsigned int reg = get_top_cg_reg(cg_type); + unsigned int mask = get_top_cg_mask(cg_type); + unsigned int val = get_top_cg_off_val(cg_type); + + regmap_update_bits(afe->regmap, reg, mask, val); + + return 0; +} + +int mt8188_afe_enable_reg_rw_clk(struct mtk_base_afe *afe) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + /* bus clock for AFE external access, like DRAM */ + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_TOP_AUDIO_LOCAL_BUS_SEL]); + + /* bus clock for AFE internal access, like AFE SRAM */ + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_TOP_AUD_INTBUS_SEL]); + + /* audio 26m clock source */ + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_ADSP_AUDIO_26M]); + + /* AFE hw clock */ + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE]); + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS_HP]); + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS]); + + return 0; +} + +int mt8188_afe_disable_reg_rw_clk(struct mtk_base_afe *afe) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS_HP]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_AFE]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_ADSP_AUDIO_26M]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_TOP_AUD_INTBUS_SEL]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_TOP_AUDIO_LOCAL_BUS_SEL]); + + return 0; +} + +static int mt8188_afe_enable_afe_on(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); + return 0; +} + +static int mt8188_afe_disable_afe_on(struct mtk_base_afe *afe) +{ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x0); + return 0; +} + +static int mt8188_afe_enable_timing_sys(struct mtk_base_afe *afe) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS]); + mt8188_afe_enable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A2SYS]); + + mt8188_afe_enable_top_cg(afe, MT8188_TOP_CG_A1SYS_TIMING); + mt8188_afe_enable_top_cg(afe, MT8188_TOP_CG_A2SYS_TIMING); + mt8188_afe_enable_top_cg(afe, MT8188_TOP_CG_26M_TIMING); + + return 0; +} + +static int mt8188_afe_disable_timing_sys(struct mtk_base_afe *afe) +{ + struct mt8188_afe_private *afe_priv = afe->platform_priv; + + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A1SYS]); + mt8188_afe_disable_clk(afe, afe_priv->clk[MT8188_CLK_AUD_A2SYS]); + + mt8188_afe_disable_top_cg(afe, MT8188_TOP_CG_26M_TIMING); + mt8188_afe_disable_top_cg(afe, MT8188_TOP_CG_A2SYS_TIMING); + mt8188_afe_disable_top_cg(afe, MT8188_TOP_CG_A1SYS_TIMING); + + return 0; +} + +int mt8188_afe_enable_main_clock(struct mtk_base_afe *afe) +{ + mt8188_afe_enable_timing_sys(afe); + + mt8188_afe_enable_afe_on(afe); + + mt8188_afe_enable_apll_tuner(afe, MT8188_AUD_PLL1); + mt8188_afe_enable_apll_tuner(afe, MT8188_AUD_PLL2); + + return 0; +} + +int mt8188_afe_disable_main_clock(struct mtk_base_afe *afe) +{ + mt8188_afe_disable_apll_tuner(afe, MT8188_AUD_PLL2); + mt8188_afe_disable_apll_tuner(afe, MT8188_AUD_PLL1); + + mt8188_afe_disable_afe_on(afe); + + mt8188_afe_disable_timing_sys(afe); + + return 0; +} diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-clk.h b/sound/soc/mediatek/mt8188/mt8188-afe-clk.h new file mode 100644 index 000000000000..ea38767d3876 --- /dev/null +++ b/sound/soc/mediatek/mt8188/mt8188-afe-clk.h @@ -0,0 +1,114 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * mt8188-afe-clk.h -- MediaTek 8188 afe clock ctrl definition + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Bicycle Tsai <bicycle.tsai@mediatek.com> + * Trevor Wu <trevor.wu@mediatek.com> + * Chun-Chia Chiu <chun-chia.chiu@mediatek.com> + */ + +#ifndef _MT8188_AFE_CLK_H_ +#define _MT8188_AFE_CLK_H_ + +enum { + /* xtal */ + MT8188_CLK_XTAL_26M, + /* divider */ + MT8188_CLK_TOP_APLL1, + MT8188_CLK_TOP_APLL2, + MT8188_CLK_TOP_APLL12_DIV0, + MT8188_CLK_TOP_APLL12_DIV1, + MT8188_CLK_TOP_APLL12_DIV2, + MT8188_CLK_TOP_APLL12_DIV3, + MT8188_CLK_TOP_APLL12_DIV9, + /* mux */ + MT8188_CLK_TOP_A1SYS_HP_SEL, + MT8188_CLK_TOP_AUD_INTBUS_SEL, + MT8188_CLK_TOP_AUDIO_H_SEL, + MT8188_CLK_TOP_AUDIO_LOCAL_BUS_SEL, + MT8188_CLK_TOP_DPTX_M_SEL, + MT8188_CLK_TOP_I2SO1_M_SEL, + MT8188_CLK_TOP_I2SO2_M_SEL, + MT8188_CLK_TOP_I2SI1_M_SEL, + MT8188_CLK_TOP_I2SI2_M_SEL, + /* clock gate */ + MT8188_CLK_ADSP_AUDIO_26M, + MT8188_CLK_AUD_AFE, + MT8188_CLK_AUD_APLL1_TUNER, + MT8188_CLK_AUD_APLL2_TUNER, + MT8188_CLK_AUD_TOP0_SPDF, + MT8188_CLK_AUD_APLL, + MT8188_CLK_AUD_APLL2, + MT8188_CLK_AUD_DAC, + MT8188_CLK_AUD_ADC, + MT8188_CLK_AUD_DAC_HIRES, + MT8188_CLK_AUD_A1SYS_HP, + MT8188_CLK_AUD_ADC_HIRES, + MT8188_CLK_AUD_I2SIN, + MT8188_CLK_AUD_TDM_IN, + MT8188_CLK_AUD_I2S_OUT, + MT8188_CLK_AUD_TDM_OUT, + MT8188_CLK_AUD_HDMI_OUT, + MT8188_CLK_AUD_ASRC11, + MT8188_CLK_AUD_ASRC12, + MT8188_CLK_AUD_A1SYS, + MT8188_CLK_AUD_A2SYS, + MT8188_CLK_AUD_PCMIF, + MT8188_CLK_AUD_MEMIF_UL1, + MT8188_CLK_AUD_MEMIF_UL2, + MT8188_CLK_AUD_MEMIF_UL3, + MT8188_CLK_AUD_MEMIF_UL4, + MT8188_CLK_AUD_MEMIF_UL5, + MT8188_CLK_AUD_MEMIF_UL6, + MT8188_CLK_AUD_MEMIF_UL8, + MT8188_CLK_AUD_MEMIF_UL9, + MT8188_CLK_AUD_MEMIF_UL10, + MT8188_CLK_AUD_MEMIF_DL2, + MT8188_CLK_AUD_MEMIF_DL3, + MT8188_CLK_AUD_MEMIF_DL6, + MT8188_CLK_AUD_MEMIF_DL7, + MT8188_CLK_AUD_MEMIF_DL8, + MT8188_CLK_AUD_MEMIF_DL10, + MT8188_CLK_AUD_MEMIF_DL11, + MT8188_CLK_NUM, +}; + +enum { + MT8188_AUD_PLL1, + MT8188_AUD_PLL2, + MT8188_AUD_PLL3, + MT8188_AUD_PLL4, + MT8188_AUD_PLL5, + MT8188_AUD_PLL_NUM, +}; + +enum { + MT8188_MCK_SEL_26M, + MT8188_MCK_SEL_APLL1, + MT8188_MCK_SEL_APLL2, + MT8188_MCK_SEL_APLL3, + MT8188_MCK_SEL_APLL4, + MT8188_MCK_SEL_APLL5, + MT8188_MCK_SEL_NUM, +}; + +struct mtk_base_afe; + +int mt8188_afe_get_mclk_source_clk_id(int sel); +int mt8188_afe_get_mclk_source_rate(struct mtk_base_afe *afe, int apll); +int mt8188_afe_get_default_mclk_source_by_rate(int rate); +int mt8188_afe_init_clock(struct mtk_base_afe *afe); +void mt8188_afe_deinit_clock(void *priv); +int mt8188_afe_enable_clk(struct mtk_base_afe *afe, struct clk *clk); +void mt8188_afe_disable_clk(struct mtk_base_afe *afe, struct clk *clk); +int mt8188_afe_set_clk_rate(struct mtk_base_afe *afe, struct clk *clk, + unsigned int rate); +int mt8188_afe_set_clk_parent(struct mtk_base_afe *afe, struct clk *clk, + struct clk *parent); +int mt8188_afe_enable_main_clock(struct mtk_base_afe *afe); +int mt8188_afe_disable_main_clock(struct mtk_base_afe *afe); +int mt8188_afe_enable_reg_rw_clk(struct mtk_base_afe *afe); +int mt8188_afe_disable_reg_rw_clk(struct mtk_base_afe *afe); + +#endif

[v2,07/12] ASoC: mediatek: mt8188: support audio clock control

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