Add audio clock wrapper and audio tuner control.
Signed-off-by: Maso Huang maso.huang@mediatek.com --- sound/soc/mediatek/mt7986/mt7986-afe-clk.c | 75 ++++++++++++++++++++++ sound/soc/mediatek/mt7986/mt7986-afe-clk.h | 18 ++++++ 2 files changed, 93 insertions(+) create mode 100644 sound/soc/mediatek/mt7986/mt7986-afe-clk.c create mode 100644 sound/soc/mediatek/mt7986/mt7986-afe-clk.h
diff --git a/sound/soc/mediatek/mt7986/mt7986-afe-clk.c b/sound/soc/mediatek/mt7986/mt7986-afe-clk.c new file mode 100644 index 000000000000..a8b5fae05673 --- /dev/null +++ b/sound/soc/mediatek/mt7986/mt7986-afe-clk.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * mt7986-afe-clk.c -- MediaTek 7986 afe clock ctrl + * + * Copyright (c) 2021 MediaTek Inc. + * Author: Vic Wu vic.wu@mediatek.com + * Maso Huang maso.huang@mediatek.com + */ + +#include <linux/clk.h> + +#include "mt7986-afe-common.h" +#include "mt7986-afe-clk.h" +#include "mt7986-reg.h" + +enum { + CK_INFRA_AUD_BUS_CK = 0, + CK_INFRA_AUD_26M_CK, + CK_INFRA_AUD_L_CK, + CK_INFRA_AUD_AUD_CK, + CK_INFRA_AUD_EG2_CK, + CLK_NUM +}; + +static const char *aud_clks[CLK_NUM] = { + [CK_INFRA_AUD_BUS_CK] = "aud_bus_ck", + [CK_INFRA_AUD_26M_CK] = "aud_26m_ck", + [CK_INFRA_AUD_L_CK] = "aud_l_ck", + [CK_INFRA_AUD_AUD_CK] = "aud_aud_ck", + [CK_INFRA_AUD_EG2_CK] = "aud_eg2_ck", +}; + +int mt7986_init_clock(struct mtk_base_afe *afe) +{ + struct mt7986_afe_private *afe_priv = afe->platform_priv; + int ret, i; + + afe_priv->clks = devm_kcalloc(afe->dev, CLK_NUM, + sizeof(*afe_priv->clks), GFP_KERNEL); + if (!afe_priv->clks) + return -ENOMEM; + afe_priv->num_clks = CLK_NUM; + + for (i = 0; i < afe_priv->num_clks; i++) + afe_priv->clks[i].id = aud_clks[i]; + + ret = devm_clk_bulk_get(afe->dev, afe_priv->num_clks, afe_priv->clks); + if (ret) + return dev_err_probe(afe->dev, ret, "Failed to get clocks\n"); + + return 0; +} + +int mt7986_afe_enable_clock(struct mtk_base_afe *afe) +{ + struct mt7986_afe_private *afe_priv = afe->platform_priv; + int ret; + + ret = clk_bulk_prepare_enable(afe_priv->num_clks, afe_priv->clks); + if (ret) + return dev_err_probe(afe->dev, ret, "Failed to enable clocks\n"); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7986_afe_enable_clock); + +int mt7986_afe_disable_clock(struct mtk_base_afe *afe) +{ + struct mt7986_afe_private *afe_priv = afe->platform_priv; + + clk_bulk_disable_unprepare(afe_priv->num_clks, afe_priv->clks); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7986_afe_disable_clock); diff --git a/sound/soc/mediatek/mt7986/mt7986-afe-clk.h b/sound/soc/mediatek/mt7986/mt7986-afe-clk.h new file mode 100644 index 000000000000..2f15b7a54bdc --- /dev/null +++ b/sound/soc/mediatek/mt7986/mt7986-afe-clk.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * mt7986-afe-clk.h -- MediaTek 7986 afe clock ctrl definition + * + * Copyright (c) 2021 MediaTek Inc. + * Author: Vic Wu vic.wu@mediatek.com + * Maso Huang maso.huang@mediatek.com + */ + +#ifndef _MT7986_AFE_CLK_H_ +#define _MT7986_AFE_CLK_H_ + +struct mtk_base_afe; + +int mt7986_init_clock(struct mtk_base_afe *afe); +int mt7986_afe_enable_clock(struct mtk_base_afe *afe); +int mt7986_afe_disable_clock(struct mtk_base_afe *afe); +#endif