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From:   <xinlei.lee@mediatek.com>
To:     <chunkuang.hu@kernel.org>, <p.zabel@pengutronix.de>,
        <airlied@linux.ie>, <daniel@ffwll.ch>, <matthias.bgg@gmail.com>,
        <rex-bc.chen@mediatek.com>,
        <angelogioacchino.delregno@collabora.com>,
        <jason-jh.lin@mediatek.com>, <yongqiang.niu@mediatek.com>
CC:     <dri-devel@lists.freedesktop.org>,
        <linux-mediatek@lists.infradead.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@mediatek.com>,
        Xinlei Lee <xinlei.lee@mediatek.com>,
        Jitao Shi <jitao.shi@mediatek.com>
Subject: [PATCH v3,1/2] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
Date:   Tue, 23 Aug 2022 14:38:22 +0800
Message-ID: <1661236702-30682-1-git-send-email-xinlei.lee@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

From: Xinlei Lee <xinlei.lee@mediatek.com>

Add mmsys function to manipulate dpi output format configuration for MT8186.

Co-developed-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>

---
 drivers/soc/mediatek/mt8186-mmsys.h    | 1 +
 drivers/soc/mediatek/mtk-mmsys.c       | 8 ++++++++
 include/linux/soc/mediatek/mtk-mmsys.h | 3 +++
 3 files changed, 12 insertions(+)

diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h
index eb1ad9c37a9c..6eca3445bea3 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_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 114defd48298..aeda6e2bf80b 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -252,6 +252,14 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
 
+void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 mask, u32 val,
+				   struct cmdq_pkt *cmdq_pkt)
+{
+	mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_DPI_OUTPUT_FORMAT, mask,
+			      val, cmdq_pkt);
+}
+EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config);
+
 void mtk_mmsys_merge_async_config(struct device *dev, int idx, int width, int height,
 				  struct cmdq_pkt *cmdq_pkt)
 {
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index 343e093f0fc3..08caa2b8a374 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -90,4 +90,7 @@ void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool alpha_sel, u16
 void mtk_mmsys_mixer_in_channel_swap(struct device *dev, int idx, bool channel_swap,
 				     struct cmdq_pkt *cmdq_pkt);
 
+void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 mask, u32 val,
+				   struct cmdq_pkt *cmdq_pkt);
+
 #endif /* __MTK_MMSYS_H */
-- 
2.18.0