Re: [PATCH v19 07/25] soc: mediatek: add mtk-mmsys config API for mt8195 vdosys1

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Hi, Nancy:

On Tue, 2022-05-03 at 18:23 +0800, Nancy.Lin wrote:
> Add four mmsys config APIs. The config APIs are used for config
> mmsys reg. Some mmsys regs need to be set according to the
> HW engine binding to the mmsys simultaneously.
> 
> 1. mtk_mmsys_merge_async_config: config merge async width/height.
>    async is used for cross-clock domain synchronization.
> 2. mtk_mmsys_hdr_confing: config hdr backend async width/height.
> 3. mtk_mmsys_mixer_in_config and mtk_mmsys_mixer_in_config:
>    config mixer related settings.

Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>

> 
> Signed-off-by: Nancy.Lin <nancy.lin@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
>  drivers/soc/mediatek/mt8195-mmsys.h    |  6 +++++
>  drivers/soc/mediatek/mtk-mmsys.c       | 35
> ++++++++++++++++++++++++++
>  include/linux/soc/mediatek/mtk-mmsys.h |  9 +++++++
>  3 files changed, 50 insertions(+)
> 
> diff --git a/drivers/soc/mediatek/mt8195-mmsys.h
> b/drivers/soc/mediatek/mt8195-mmsys.h
> index fd7b455bd675..454944a9409c 100644
> --- a/drivers/soc/mediatek/mt8195-mmsys.h
> +++ b/drivers/soc/mediatek/mt8195-mmsys.h
> @@ -75,6 +75,12 @@
>  #define MT8195_SOUT_DSC_WRAP1_OUT_TO_SINA_VIRTUAL0		(2 <<
> 16)
>  #define MT8195_SOUT_DSC_WRAP1_OUT_TO_VPP_MERGE			
> (3 << 16)
>  
> +#define MT8195_VDO1_MERGE0_ASYNC_CFG_WD				
> 0xe30
> +#define MT8195_VDO1_HDRBE_ASYNC_CFG_WD				
> 0xe70
> +#define MT8195_VDO1_HDR_TOP_CFG					
> 0xd00
> +#define MT8195_VDO1_MIXER_IN1_ALPHA				0xd30
> +#define MT8195_VDO1_MIXER_IN1_PAD				0xd40
> +
>  #define MT8195_VDO1_VPP_MERGE0_P0_SEL_IN			0xf04
>  #define MT8195_VPP_MERGE0_P0_SEL_IN_FROM_MDP_RDMA0			
> 1
>  
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c
> b/drivers/soc/mediatek/mtk-mmsys.c
> index 3e2e5e3f721d..199503dd544a 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -228,6 +228,41 @@ void mtk_mmsys_ddp_disconnect(struct device
> *dev,
>  }
>  EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
>  
> +void mtk_mmsys_merge_async_config(struct device *dev, int idx, int
> width, int height)
> +{
> +	mtk_mmsys_write_reg(dev_get_drvdata(dev),
> MT8195_VDO1_MERGE0_ASYNC_CFG_WD + 0x10 * idx,
> +			    ~0, height << 16 | width);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_merge_async_config);
> +
> +void mtk_mmsys_hdr_confing(struct device *dev, int be_width, int
> be_height)
> +{
> +	mtk_mmsys_write_reg(dev_get_drvdata(dev),
> MT8195_VDO1_HDRBE_ASYNC_CFG_WD, ~0,
> +			    be_height << 16 | be_width);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_hdr_confing);
> +
> +void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool
> alpha_sel, u16 alpha,
> +			       u8 mode, u32 biwidth)
> +{
> +	struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
> +
> +	mtk_mmsys_write_reg(mmsys, MT8195_VDO1_MIXER_IN1_ALPHA + (idx -
> 1) * 4, ~0,
> +			    alpha << 16 | alpha);
> +	mtk_mmsys_write_reg(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(19 +
> idx),
> +			    alpha_sel << (19 + idx));
> +	mtk_mmsys_write_reg(mmsys, MT8195_VDO1_MIXER_IN1_PAD + (idx -
> 1) * 4,
> +			    GENMASK(31, 16) | GENMASK(1, 0), biwidth <<
> 16 | mode);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_mixer_in_config);
> +
> +void mtk_mmsys_mixer_in_channel_swap(struct device *dev, int idx,
> bool channel_swap)
> +{
> +	mtk_mmsys_write_reg(dev_get_drvdata(dev),
> MT8195_VDO1_MIXER_IN1_PAD + (idx - 1) * 4,
> +			    BIT(4), channel_swap << 4);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_mixer_in_channel_swap);
> +
>  static int mtk_mmsys_reset_update(struct reset_controller_dev
> *rcdev, unsigned long id,
>  				  bool assert)
>  {
> diff --git a/include/linux/soc/mediatek/mtk-mmsys.h
> b/include/linux/soc/mediatek/mtk-mmsys.h
> index b4388ba43341..fe620929b0f9 100644
> --- a/include/linux/soc/mediatek/mtk-mmsys.h
> +++ b/include/linux/soc/mediatek/mtk-mmsys.h
> @@ -73,4 +73,13 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
>  			      enum mtk_ddp_comp_id cur,
>  			      enum mtk_ddp_comp_id next);
>  
> +void mtk_mmsys_merge_async_config(struct device *dev, int idx, int
> width, int height);
> +
> +void mtk_mmsys_hdr_confing(struct device *dev, int be_width, int
> be_height);
> +
> +void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool
> alpha_sel, u16 alpha,
> +			       u8 mode, u32 biwidth);
> +
> +void mtk_mmsys_mixer_in_channel_swap(struct device *dev, int idx,
> bool channel_swap);
> +
>  #endif /* __MTK_MMSYS_H */




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