diff options
author | Shunli Wang <shunli.wang@mediatek.com> | 2019-01-22 09:39:08 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2019-01-25 21:05:10 +0300 |
commit | a94aec035a122bf6d1a05b14f02f34c34b99506a (patch) | |
tree | 20f607e6754e53300d9afe794c3716bbb2712476 /sound/soc/mediatek/mt8183/mt8183-afe-clk.c | |
parent | 4ffdca62e2deee7a27613571c9bd18c95b8eac84 (diff) | |
download | linux-a94aec035a122bf6d1a05b14f02f34c34b99506a.tar.xz |
ASoC: mediatek: mt8183: add platform driver
add mt8183 audio platform and affiliated drivers.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/mediatek/mt8183/mt8183-afe-clk.c')
-rw-r--r-- | sound/soc/mediatek/mt8183/mt8183-afe-clk.c | 611 |
1 files changed, 611 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-afe-clk.c b/sound/soc/mediatek/mt8183/mt8183-afe-clk.c new file mode 100644 index 000000000000..f523ad103acc --- /dev/null +++ b/sound/soc/mediatek/mt8183/mt8183-afe-clk.c @@ -0,0 +1,611 @@ +// 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 ret; + } + + 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; + + clk_disable_unprepare(afe_priv->clk[div_clk_id]); + if (m_sel_id >= 0) + clk_disable_unprepare(afe_priv->clk[m_sel_id]); +} |