// SPDX-License-Identifier: GPL-2.0 // // mt8183-afe-clk.c -- Mediatek 8183 afe clock ctrl // // Copyright (c) 2018 MediaTek Inc. // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com> #include <linux/clk.h> #include "mt8183-afe-common.h" #include "mt8183-afe-clk.h" #include "mt8183-reg.h" enum { CLK_AFE = 0, CLK_TML, CLK_APLL22M, CLK_APLL24M, CLK_APLL1_TUNER, CLK_APLL2_TUNER, CLK_I2S1_BCLK_SW, CLK_I2S2_BCLK_SW, CLK_I2S3_BCLK_SW, CLK_I2S4_BCLK_SW, CLK_INFRA_SYS_AUDIO, CLK_MUX_AUDIO, CLK_MUX_AUDIOINTBUS, CLK_TOP_SYSPLL_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_I2S0_M_SEL, CLK_TOP_I2S1_M_SEL, CLK_TOP_I2S2_M_SEL, CLK_TOP_I2S3_M_SEL, CLK_TOP_I2S4_M_SEL, CLK_TOP_I2S5_M_SEL, CLK_TOP_APLL12_DIV0, CLK_TOP_APLL12_DIV1, CLK_TOP_APLL12_DIV2, CLK_TOP_APLL12_DIV3, CLK_TOP_APLL12_DIV4, CLK_TOP_APLL12_DIVB, CLK_CLK26M, CLK_NUM }; 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_I2S1_BCLK_SW] = "aud_i2s1_bclk_sw", [CLK_I2S2_BCLK_SW] = "aud_i2s2_bclk_sw", [CLK_I2S3_BCLK_SW] = "aud_i2s3_bclk_sw", [CLK_I2S4_BCLK_SW] = "aud_i2s4_bclk_sw", [CLK_INFRA_SYS_AUDIO] = "aud_infra_clk", [CLK_MUX_AUDIO] = "top_mux_audio", [CLK_MUX_AUDIOINTBUS] = "top_mux_aud_intbus", [CLK_TOP_SYSPLL_D2_D4] = "top_syspll_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_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_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_CLK26M] = "top_clk26m_clk", }; int mt8183_init_clock(struct mtk_base_afe *afe) { struct mt8183_afe_private *afe_priv = afe->platform_priv; int i; 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])); return PTR_ERR(afe_priv->clk[i]); } } return 0; } int mt8183_afe_enable_clock(struct mtk_base_afe *afe) { struct mt8183_afe_private *afe_priv = afe->platform_priv; int ret; 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_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 = clk_set_parent(afe_priv->clk[CLK_MUX_AUDIOINTBUS], afe_priv->clk[CLK_TOP_SYSPLL_D2_D4]); if (ret) { dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", __func__, aud_clks[CLK_MUX_AUDIOINTBUS], aud_clks[CLK_TOP_SYSPLL_D2_D4], ret); goto CLK_MUX_AUDIO_INTBUS_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; } ret = clk_prepare_enable(afe_priv->clk[CLK_I2S1_BCLK_SW]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_I2S1_BCLK_SW], ret); goto CLK_I2S1_BCLK_SW_ERR; } ret = clk_prepare_enable(afe_priv->clk[CLK_I2S2_BCLK_SW]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_I2S2_BCLK_SW], ret); goto CLK_I2S2_BCLK_SW_ERR; } ret = clk_prepare_enable(afe_priv->clk[CLK_I2S3_BCLK_SW]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_I2S3_BCLK_SW], ret); goto CLK_I2S3_BCLK_SW_ERR; } ret = clk_prepare_enable(afe_priv->clk[CLK_I2S4_BCLK_SW]); if (ret) { dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n", __func__, aud_clks[CLK_I2S4_BCLK_SW], ret); goto CLK_I2S4_BCLK_SW_ERR; } return 0; CLK_I2S4_BCLK_SW_ERR: clk_disable_unprepare(afe_priv->clk[CLK_I2S3_BCLK_SW]); CLK_I2S3_BCLK_SW_ERR: clk_disable_unprepare(afe_priv->clk[CLK_I2S2_BCLK_SW]); CLK_I2S2_BCLK_SW_ERR: clk_disable_unprepare(afe_priv->clk[CLK_I2S1_BCLK_SW]); CLK_I2S1_BCLK_SW_ERR: clk_disable_unprepare(afe_priv->clk[CLK_AFE]); CLK_AFE_ERR: clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIOINTBUS]); CLK_MUX_AUDIO_INTBUS_ERR: clk_disable_unprepare(afe_priv->clk[CLK_MUX_AUDIO]); CLK_MUX_AUDIO_ERR: clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUDIO]); CLK_INFRA_SYS_AUDIO_ERR: return ret; } int mt8183_afe_disable_clock(struct mtk_base_afe *afe) { struct mt8183_afe_private *afe_priv = afe->platform_priv; clk_disable_unprepare(afe_priv->clk[CLK_I2S4_BCLK_SW]); clk_disable_unprepare(afe_priv->clk[CLK_I2S3_BCLK_SW]); clk_disable_unprepare(afe_priv->clk[CLK_I2S2_BCLK_SW]); clk_disable_unprepare(afe_priv->clk[CLK_I2S1_BCLK_SW]); clk_disable_unprepare(afe_priv->clk[CLK_AFE]); 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_SYS_AUDIO]); return 0; } /* apll */ static int apll1_mux_setting(struct mtk_base_afe *afe, bool enable) { struct mt8183_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 ERR_ENABLE_CLK_TOP_MUX_AUD_1; } 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 ERR_SELECT_CLK_TOP_MUX_AUD_1; } /* 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); goto ERR_ENABLE_CLK_TOP_MUX_AUD_ENG1; } 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); goto ERR_SELECT_CLK_TOP_MUX_AUD_ENG1; } } 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]); } return 0; ERR_SELECT_CLK_TOP_MUX_AUD_ENG1: clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1], afe_priv->clk[CLK_CLK26M]); clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG1]); ERR_ENABLE_CLK_TOP_MUX_AUD_ENG1: ERR_SELECT_CLK_TOP_MUX_AUD_1: clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_1], afe_priv->clk[CLK_CLK26M]); clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_1]); ERR_ENABLE_CLK_TOP_MUX_AUD_1: EXIT: return ret; } static int apll2_mux_setting(struct mtk_base_afe *afe, bool enable) { struct mt8183_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 ERR_ENABLE_CLK_TOP_MUX_AUD_2; } 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 ERR_SELECT_CLK_TOP_MUX_AUD_2; } /* 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); goto ERR_ENABLE_CLK_TOP_MUX_AUD_ENG2; } 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); goto ERR_SELECT_CLK_TOP_MUX_AUD_ENG2; } } 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]); } return 0; ERR_SELECT_CLK_TOP_MUX_AUD_ENG2: clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2], afe_priv->clk[CLK_CLK26M]); clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_ENG2]); ERR_ENABLE_CLK_TOP_MUX_AUD_ENG2: ERR_SELECT_CLK_TOP_MUX_AUD_2: clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD_2], afe_priv->clk[CLK_CLK26M]); clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_2]); ERR_ENABLE_CLK_TOP_MUX_AUD_2: EXIT: return ret; } int mt8183_apll1_enable(struct mtk_base_afe *afe) { struct mt8183_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, 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_APLL22M]); ERR_CLK_APLL22M: return ret; } void mt8183_apll1_disable(struct mtk_base_afe *afe) { struct mt8183_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 mt8183_apll2_enable(struct mtk_base_afe *afe) { struct mt8183_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, 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_APLL24M]); ERR_CLK_APLL24M: return ret; } void mt8183_apll2_disable(struct mtk_base_afe *afe) { struct mt8183_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 mt8183_get_apll_rate(struct mtk_base_afe *afe, int apll) { return (apll == MT8183_APLL1) ? 180633600 : 196608000; } int mt8183_get_apll_by_rate(struct mtk_base_afe *afe, int rate) { return ((rate % 8000) == 0) ? MT8183_APLL2 : MT8183_APLL1; } int mt8183_get_apll_by_name(struct mtk_base_afe *afe, const char *name) { if (strcmp(name, APLL1_W_NAME) == 0) return MT8183_APLL1; else return MT8183_APLL2; } /* mck */ struct mt8183_mck_div { int m_sel_id; int div_clk_id; }; static const struct mt8183_mck_div mck_div[MT8183_MCK_NUM] = { [MT8183_I2S0_MCK] = { .m_sel_id = CLK_TOP_I2S0_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV0, }, [MT8183_I2S1_MCK] = { .m_sel_id = CLK_TOP_I2S1_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV1, }, [MT8183_I2S2_MCK] = { .m_sel_id = CLK_TOP_I2S2_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV2, }, [MT8183_I2S3_MCK] = { .m_sel_id = CLK_TOP_I2S3_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV3, }, [MT8183_I2S4_MCK] = { .m_sel_id = CLK_TOP_I2S4_M_SEL, .div_clk_id = CLK_TOP_APLL12_DIV4, }, [MT8183_I2S4_BCK] = { .m_sel_id = -1, .div_clk_id = CLK_TOP_APLL12_DIVB, }, [MT8183_I2S5_MCK] = { .m_sel_id = -1, .div_clk_id = -1, }, }; int mt8183_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) { struct mt8183_afe_private *afe_priv = afe->platform_priv; int apll = mt8183_get_apll_by_rate(afe, rate); int apll_clk_id = apll == MT8183_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; /* i2s5 mck not support */ if (mck_id == MT8183_I2S5_MCK) return 0; /* 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); goto ERR_ENABLE_MCLK; } 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); goto ERR_SELECT_MCLK; } } /* 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); goto ERR_ENABLE_MCLK_DIV; } 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); goto ERR_SET_MCLK_RATE; } return 0; ERR_SET_MCLK_RATE: clk_disable_unprepare(afe_priv->clk[div_clk_id]); ERR_ENABLE_MCLK_DIV: ERR_SELECT_MCLK: if (m_sel_id >= 0) clk_disable_unprepare(afe_priv->clk[m_sel_id]); ERR_ENABLE_MCLK: return ret; } void mt8183_mck_disable(struct mtk_base_afe *afe, int mck_id) { struct mt8183_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; /* i2s5 mck not support */ if (mck_id == MT8183_I2S5_MCK) return; clk_disable_unprepare(afe_priv->clk[div_clk_id]); if (m_sel_id >= 0) clk_disable_unprepare(afe_priv->clk[m_sel_id]); }