On 12.06.2023 13:52, Maso Hunag wrote:
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From: Maso Huang maso.huang@mediatek.com
Add audio clock wrapper and audio tuner control.
Signed-off-by: Maso Huang maso.huang@mediatek.com
sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c | 123 +++++++++++++++++++++ sound/soc/mediatek/mt79xx/mt79xx-afe-clk.h | 18 +++ 2 files changed, 141 insertions(+) create mode 100644 sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c create mode 100644 sound/soc/mediatek/mt79xx/mt79xx-afe-clk.h
diff --git a/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c b/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c new file mode 100644 index 000000000000..f00f0d7de861 --- /dev/null +++ b/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0 +/*
- mt79xx-afe-clk.c -- MediaTek 79xx 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 "mt79xx-afe-common.h" +#include "mt79xx-afe-clk.h" +#include "mt79xx-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 mt79xx_init_clock(struct mtk_base_afe *afe) +{
struct mt79xx_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]);
}
}
You can use devm_clk_bulk_get()
return 0;
+}
+int mt79xx_afe_enable_clock(struct mtk_base_afe *afe) +{
struct mt79xx_afe_private *afe_priv = afe->platform_priv;
int ret;
ret = clk_prepare_enable(afe_priv->clk[CK_INFRA_AUD_BUS_CK]);
if (ret) {
dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
__func__, aud_clks[CK_INFRA_AUD_BUS_CK], ret);
goto CK_INFRA_AUD_BUS_CK_ERR;
}
ret = clk_prepare_enable(afe_priv->clk[CK_INFRA_AUD_26M_CK]);
if (ret) {
dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
__func__, aud_clks[CK_INFRA_AUD_26M_CK], ret);
goto CK_INFRA_AUD_26M_ERR;
}
ret = clk_prepare_enable(afe_priv->clk[CK_INFRA_AUD_L_CK]);
if (ret) {
dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
__func__, aud_clks[CK_INFRA_AUD_L_CK], ret);
goto CK_INFRA_AUD_L_CK_ERR;
}
ret = clk_prepare_enable(afe_priv->clk[CK_INFRA_AUD_AUD_CK]);
if (ret) {
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
__func__, aud_clks[CK_INFRA_AUD_AUD_CK], ret);
goto CK_INFRA_AUD_AUD_CK_ERR;
}
ret = clk_prepare_enable(afe_priv->clk[CK_INFRA_AUD_EG2_CK]);
if (ret) {
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
__func__, aud_clks[CK_INFRA_AUD_EG2_CK], ret);
goto CK_INFRA_AUD_EG2_CK_ERR;
}
And clk_bulk_prepare_enable() instead all these.
return 0;
+CK_INFRA_AUD_EG2_CK_ERR:
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_AUD_CK]);
+CK_INFRA_AUD_AUD_CK_ERR:
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_L_CK]);
+CK_INFRA_AUD_L_CK_ERR:
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_26M_CK]);
+CK_INFRA_AUD_26M_ERR:
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_BUS_CK]);
+CK_INFRA_AUD_BUS_CK_ERR:
return ret;
+} +EXPORT_SYMBOL_GPL(mt79xx_afe_enable_clock);
+int mt79xx_afe_disable_clock(struct mtk_base_afe *afe) +{
struct mt79xx_afe_private *afe_priv = afe->platform_priv;
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_EG2_CK]);
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_AUD_CK]);
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_L_CK]);
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_26M_CK]);
clk_disable_unprepare(afe_priv->clk[CK_INFRA_AUD_BUS_CK]);
And also clk_bulk_disable_unprepare() here.
return 0;
+} +EXPORT_SYMBOL_GPL(mt79xx_afe_disable_clock); diff --git a/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.h b/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.h new file mode 100644 index 000000000000..bf9c3edb6922 --- /dev/null +++ b/sound/soc/mediatek/mt79xx/mt79xx-afe-clk.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/*
- mt79xx-afe-clk.h -- MediaTek 79xx afe clock ctrl definition
- Copyright (c) 2021 MediaTek Inc.
- Author: Vic Wu vic.wu@mediatek.com
Maso Huang <maso.huang@mediatek.com>
- */
+#ifndef _MT79XX_AFE_CLK_H_ +#define _MT79XX_AFE_CLK_H_
+struct mtk_base_afe;
+int mt79xx_init_clock(struct mtk_base_afe *afe); +int mt79xx_afe_enable_clock(struct mtk_base_afe *afe); +int mt79xx_afe_disable_clock(struct mtk_base_afe *afe);
+#endif
2.18.0
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