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Message-ID: <1662384863-17281-2-git-send-email-xinlei.lee@mediatek.com>
Date: Mon, 5 Sep 2022 21:34:22 +0800
From: <xinlei.lee@...iatek.com>
To: <matthias.bgg@...il.com>,
<angelogioacchino.delregno@...labora.com>,
<rex-bc.chen@...iatek.com>, <jason-jh.lin@...iatek.com>,
<chunkuang.hu@...nel.org>, <yongqiang.niu@...iatek.com>,
<p.zabel@...gutronix.de>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC: <dri-devel@...ts.freedesktop.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
<jitao.shi@...iatek.com>, Xinlei Lee <xinlei.lee@...iatek.com>
Subject: [PATCH v5,1/2] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
From: Xinlei Lee <xinlei.lee@...iatek.com>
Add mmsys func to manipulate dpi output format config for MT8186.
Co-developed-by: Jitao Shi <jitao.shi@...iatek.com>
Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
Signed-off-by: Xinlei Lee <xinlei.lee@...iatek.com>
Reviewed-by: NĂlas F. R. A. Prado <nfraprado@...labora.com>
---
drivers/soc/mediatek/mt8186-mmsys.h | 1 +
drivers/soc/mediatek/mtk-mmsys.c | 16 ++++++++++++++++
include/linux/soc/mediatek/mtk-mmsys.h | 2 ++
3 files changed, 19 insertions(+)
diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h
index eb1ad9c37a9c..3db0806647c3 100644
--- a/drivers/soc/mediatek/mt8186-mmsys.h
+++ b/drivers/soc/mediatek/mt8186-mmsys.h
@@ -3,6 +3,7 @@
#ifndef __SOC_MEDIATEK_MT8186_MMSYS_H
#define __SOC_MEDIATEK_MT8186_MMSYS_H
+#define MT8186_MMSYS_DPI_OUTPUT_FORMAT 0x400
#define MT8186_MMSYS_OVL_CON 0xF04
#define MT8186_MMSYS_OVL0_CON_MASK 0x3
#define MT8186_MMSYS_OVL0_2L_CON_MASK 0xC
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 06d8e83a2cb5..d7d17d4a9a5d 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -227,6 +227,22 @@ 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 mask, u32 val)
+{
+ mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT, mask,
+ val);
+}
+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)
{
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index 59117d970daf..7a378d247505 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -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 mask, u32 val);
+
#endif /* __MTK_MMSYS_H */
--
2.18.0
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