Commit b404cb45 authored by Xinlei Lee's avatar Xinlei Lee Committed by Matthias Brugger
Browse files

soc: mediatek: Add mmsys func to adapt to dpi output for MT8186 



Add mmsys func to manipulate dpi output format config for MT8186.

Co-developed-by: default avatarJitao Shi <jitao.shi@mediatek.com>
Signed-off-by: default avatarJitao Shi <jitao.shi@mediatek.com>
Signed-off-by: default avatarXinlei Lee <xinlei.lee@mediatek.com>
Reviewed-by: default avatarNís F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/all/1663161662-1598-2-git-send-email-xinlei.lee@mediatek.com/


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 1b850150

drivers/soc/mediatek/mt8186-mmsys.h

+6 −0
Original line number Diff line number Diff line
@@ -3,6 +3,12 @@ 
#ifndef __SOC_MEDIATEK_MT8186_MMSYS_H

#define __SOC_MEDIATEK_MT8186_MMSYS_H



/* Values for DPI configuration in MMSYS address space */

#define MT8186_MMSYS_DPI_OUTPUT_FORMAT		0x400

#define DPI_FORMAT_MASK					0x1

#define DPI_RGB888_DDR_CON				BIT(0)

#define DPI_RGB565_SDR_CON				BIT(1)



#define MT8186_MMSYS_OVL_CON			0xF04

#define MT8186_MMSYS_OVL0_CON_MASK			0x3

#define MT8186_MMSYS_OVL0_2L_CON_MASK			0xC

drivers/soc/mediatek/mtk-mmsys.c

+20 −0
Original line number Diff line number Diff line
@@ -227,6 +227,26 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, 
}

EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);



static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val)

{

	u32 tmp;



	tmp = readl_relaxed(mmsys->regs + offset);

	tmp = (tmp & ~mask) | val;

	writel_relaxed(tmp, mmsys->regs + offset);

}



void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val)

{

	if (val)

		mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT,

				      DPI_RGB888_DDR_CON, DPI_FORMAT_MASK);

	else

		mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT,

				      DPI_RGB565_SDR_CON, DPI_FORMAT_MASK);

}

EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config);



static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned long id,

				  bool assert)

{

include/linux/soc/mediatek/mtk-mmsys.h

+2 −0
Original line number Diff line number Diff line
@@ -65,4 +65,6 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, 
			      enum mtk_ddp_comp_id cur,

			      enum mtk_ddp_comp_id next);



void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val);



#endif /* __MTK_MMSYS_H */