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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/mediatek/mt8192/mt8192-afe-clk.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/mediatek/mt8192/mt8192-afe-clk.c')
-rw-r--r-- | sound/soc/mediatek/mt8192/mt8192-afe-clk.c | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8192/mt8192-afe-clk.c b/sound/soc/mediatek/mt8192/mt8192-afe-clk.c new file mode 100644 index 000000000..bba5f3056 --- /dev/null +++ b/sound/soc/mediatek/mt8192/mt8192-afe-clk.c @@ -0,0 +1,669 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// mt8192-afe-clk.c -- Mediatek 8192 afe clock ctrl +// +// Copyright (c) 2020 MediaTek Inc. +// Author: Shane Chien <shane.chien@mediatek.com> +// + +#include <linux/arm-smccc.h> +#include <linux/clk.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> + +#include "mt8192-afe-clk.h" +#include "mt8192-afe-common.h" + +static const char *aud_clks[CLK_NUM] = { + [CLK_AFE] = "aud_afe_clk", + [CLK_TML] = "aud_tml_clk", + [CLK_APLL22M] = "aud_apll22m_clk", + [CLK_APLL24M] = "aud_apll24m_clk", + [CLK_APLL1_TUNER] = "aud_apll1_tuner_clk", + [CLK_APLL2_TUNER] = "aud_apll2_tuner_clk", + [CLK_NLE] = "aud_nle", + [CLK_INFRA_SYS_AUDIO] = "aud_infra_clk", + [CLK_INFRA_AUDIO_26M] = "aud_infra_26m_clk", + [CLK_MUX_AUDIO] = "top_mux_audio", + [CLK_MUX_AUDIOINTBUS] = "top_mux_audio_int", + [CLK_TOP_MAINPLL_D4_D4] = "top_mainpll_d4_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_D4] = "top_apll1_d4", + [CLK_TOP_MUX_AUD_ENG2] = "top_mux_aud_eng2", + [CLK_TOP_APLL2_D4] = "top_apll2_d4", + [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_I2S3_M_SEL] = "top_i2s3_m_sel", + [CLK_TOP_I2S4_M_SEL] = "top_i2s4_m_sel", + [CLK_TOP_I2S5_M_SEL] = "top_i2s5_m_sel", + [CLK_TOP_I2S6_M_SEL] = "top_i2s6_m_sel", + [CLK_TOP_I2S7_M_SEL] = "top_i2s7_m_sel", + [CLK_TOP_I2S8_M_SEL] = "top_i2s8_m_sel", + [CLK_TOP_I2S9_M_SEL] = "top_i2s9_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_DIV3] = "top_apll12_div3", + [CLK_TOP_APLL12_DIV4] = "top_apll12_div4", + [CLK_TOP_APLL12_DIVB] = "top_apll12_divb", + [CLK_TOP_APLL12_DIV5] = "top_apll12_div5", + [CLK_TOP_APLL12_DIV6] = "top_apll12_div6", + [CLK_TOP_APLL12_DIV7] = "top_apll12_div7", + [CLK_TOP_APLL12_DIV8] = "top_apll12_div8", + [CLK_TOP_APLL12_DIV9] = "top_apll12_div9", + [CLK_CLK26M] = "top_clk26m_clk", +}; + +int mt8192_set_audio_int_bus_parent(struct mtk_base_afe *afe, + int clk_id) +{ + struct mt8192_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; +} + +static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) +{ + struct mt8192_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); + goto EXIT; + } + 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); + goto EXIT; + } + + /* 180.6336 / 4 = 45.1584MHz */ + 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); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], + afe_priv->clk[CLK_TOP_APLL1_D4]); + 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_D4], ret); + goto EXIT; + } + } 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); + 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_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); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); + } + +EXIT: + return ret; +} + +static int apll2_mux_setting(struct mtk_base_afe *afe, bool enable) +{ + struct mt8192_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); + goto EXIT; + } + 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); + goto EXIT; + } + + /* 196.608 / 4 = 49.152MHz */ + 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); + goto EXIT; + } + ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], + afe_priv->clk[CLK_TOP_APLL2_D4]); + 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_D4], ret); + goto EXIT; + } + } 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); + 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_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); + goto EXIT; + } + clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); + } + +EXIT: + return ret; +} + +int mt8192_afe_enable_clock(struct mtk_base_afe *afe) +{ + struct mt8192_afe_private *afe_priv = afe->platform_priv; + int ret; + + dev_info(afe->dev, "%s()\n", __func__); + + 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 EXIT; + } + + 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 EXIT; + } + + 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 EXIT; + } + 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 EXIT; + } + + 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 EXIT; + } + + ret = mt8192_set_audio_int_bus_parent(afe, CLK_CLK26M); + if (ret) { + dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", + __func__, aud_clks[CLK_MUX_AUDIOINTBUS], + aud_clks[CLK_CLK26M], ret); + goto EXIT; + } + + 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 EXIT; + } + + 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 EXIT; + } + +EXIT: + return ret; +} + +void mt8192_afe_disable_clock(struct mtk_base_afe *afe) +{ + struct mt8192_afe_private *afe_priv = afe->platform_priv; + + dev_info(afe->dev, "%s()\n", __func__); + + clk_disable_unprepare(afe_priv->clk[CLK_AFE]); + mt8192_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 mt8192_apll1_enable(struct mtk_base_afe *afe) +{ + struct mt8192_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 EXIT; + } + + 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 EXIT; + } + + 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); + +EXIT: + return ret; +} + +void mt8192_apll1_disable(struct mtk_base_afe *afe) +{ + struct mt8192_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 mt8192_apll2_enable(struct mtk_base_afe *afe) +{ + struct mt8192_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 EXIT; + } + + 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 EXIT; + } + + 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); + +EXIT: + return ret; +} + +void mt8192_apll2_disable(struct mtk_base_afe *afe) +{ + struct mt8192_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 mt8192_get_apll_rate(struct mtk_base_afe *afe, int apll) +{ + return (apll == MT8192_APLL1) ? 180633600 : 196608000; +} + +int mt8192_get_apll_by_rate(struct mtk_base_afe *afe, int rate) +{ + return ((rate % 8000) == 0) ? MT8192_APLL2 : MT8192_APLL1; +} + +int mt8192_get_apll_by_name(struct mtk_base_afe *afe, const char *name) +{ + if (strcmp(name, APLL1_W_NAME) == 0) + return MT8192_APLL1; + else + return MT8192_APLL2; +} + +/* mck */ +struct mt8192_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_apll_sel_reg; + int div_apll_sel_mask_sft; + int div_apll_sel_sft; +}; + +static const struct mt8192_mck_div mck_div[MT8192_MCK_NUM] = { + [MT8192_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, + }, + [MT8192_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, + }, + [MT8192_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, + }, + [MT8192_I2S3_MCK] = { + .m_sel_id = CLK_TOP_I2S3_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV3, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV3_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIV3_MASK_SFT, + .div_mask = APLL12_CK_DIV3_MASK, + .div_sft = APLL12_CK_DIV3_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S3_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S3_MCK_SEL_SFT, + }, + [MT8192_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_3, + .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, + }, + [MT8192_I2S4_BCK] = { + .m_sel_id = -1, + .div_clk_id = CLK_TOP_APLL12_DIVB, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIVB_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_2, + .div_mask_sft = APLL12_CK_DIVB_MASK_SFT, + .div_mask = APLL12_CK_DIVB_MASK, + .div_sft = APLL12_CK_DIVB_SFT, + }, + [MT8192_I2S5_MCK] = { + .m_sel_id = CLK_TOP_I2S5_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV5, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV5_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_3, + .div_mask_sft = APLL12_CK_DIV5_MASK_SFT, + .div_mask = APLL12_CK_DIV5_MASK, + .div_sft = APLL12_CK_DIV5_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S5_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S5_MCK_SEL_SFT, + }, + [MT8192_I2S6_MCK] = { + .m_sel_id = CLK_TOP_I2S6_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV6, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV6_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_3, + .div_mask_sft = APLL12_CK_DIV6_MASK_SFT, + .div_mask = APLL12_CK_DIV6_MASK, + .div_sft = APLL12_CK_DIV6_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S6_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S6_MCK_SEL_SFT, + }, + [MT8192_I2S7_MCK] = { + .m_sel_id = CLK_TOP_I2S7_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV7, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV7_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_4, + .div_mask_sft = APLL12_CK_DIV7_MASK_SFT, + .div_mask = APLL12_CK_DIV7_MASK, + .div_sft = APLL12_CK_DIV7_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S7_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S7_MCK_SEL_SFT, + }, + [MT8192_I2S8_MCK] = { + .m_sel_id = CLK_TOP_I2S8_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV8, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV8_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_4, + .div_mask_sft = APLL12_CK_DIV8_MASK_SFT, + .div_mask = APLL12_CK_DIV8_MASK, + .div_sft = APLL12_CK_DIV8_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S8_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S8_MCK_SEL_SFT, + }, + [MT8192_I2S9_MCK] = { + .m_sel_id = CLK_TOP_I2S9_M_SEL, + .div_clk_id = CLK_TOP_APLL12_DIV9, + .div_pdn_reg = CLK_AUDDIV_0, + .div_pdn_mask_sft = APLL12_DIV9_PDN_MASK_SFT, + .div_reg = CLK_AUDDIV_4, + .div_mask_sft = APLL12_CK_DIV9_MASK_SFT, + .div_mask = APLL12_CK_DIV9_MASK, + .div_sft = APLL12_CK_DIV9_SFT, + .div_apll_sel_reg = CLK_AUDDIV_0, + .div_apll_sel_mask_sft = APLL_I2S9_MCK_SEL_MASK_SFT, + .div_apll_sel_sft = APLL_I2S9_MCK_SEL_SFT, + }, +}; + +int mt8192_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) +{ + struct mt8192_afe_private *afe_priv = afe->platform_priv; + int apll = mt8192_get_apll_by_rate(afe, rate); + int apll_clk_id = apll == MT8192_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 mt8192_mck_disable(struct mtk_base_afe *afe, int mck_id) +{ + struct mt8192_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 mt8192_init_clock(struct mtk_base_afe *afe) +{ + struct mt8192_afe_private *afe_priv = afe->platform_priv; + struct device_node *of_node = afe->dev->of_node; + int i = 0; + + 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_warn(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; +} |