linux-kernel - [PATCH v7, 2/7] media: mediatek: vcodec: Add to support lat soc hardware

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Message-ID: <20220518123004.18286-3-yunfei.dong@mediatek.com>
Date:   Wed, 18 May 2022 20:29:59 +0800
From:   Yunfei Dong <yunfei.dong@...iatek.com>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        Nicolas Dufresne <nicolas@...fresne.ca>,
        "Hans Verkuil" <hverkuil-cisco@...all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tomasz Figa <tfiga@...gle.com>
CC:     George Sun <george.sun@...iatek.com>,
        Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Irui Wang <irui.wang@...iatek.com>,
        "Steve Cho" <stevecho@...omium.org>, <linux-media@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v7, 2/7] media: mediatek: vcodec: Add to support lat soc hardware

Add lat soc compatible and to support lat soc power/clk helper.

Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
---
 .../platform/mediatek/vcodec/mtk_vcodec_dec_hw.c | 12 +++++++++---
 .../platform/mediatek/vcodec/mtk_vcodec_dec_hw.h |  2 ++
 .../platform/mediatek/vcodec/mtk_vcodec_dec_pm.c | 16 ++++++++++++++++
 .../platform/mediatek/vcodec/mtk_vcodec_drv.h    |  1 +
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
index 14bed2bd4283..376db0e433d7 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
@@ -28,6 +28,10 @@ static const struct of_device_id mtk_vdec_hw_match[] = {
 		.compatible = "mediatek,mtk-vcodec-core",
 		.data = (void *)MTK_VDEC_CORE,
 	},
+	{
+		.compatible = "mediatek,mtk-vcodec-lat-soc",
+		.data = (void *)MTK_VDEC_LAT_SOC,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_vdec_hw_match);
@@ -166,9 +170,11 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev)
 	subdev_dev->reg_base[VDEC_HW_SYS] = main_dev->reg_base[VDEC_HW_SYS];
 	set_bit(subdev_dev->hw_idx, main_dev->subdev_bitmap);
 
-	ret = mtk_vdec_hw_init_irq(subdev_dev);
-	if (ret)
-		goto err;
+	if (IS_SUPPORT_VDEC_HW_IRQ(hw_idx)) {
+		ret = mtk_vdec_hw_init_irq(subdev_dev);
+		if (ret)
+			goto err;
+	}
 
 	subdev_dev->reg_base[VDEC_HW_MISC] =
 		devm_platform_ioremap_resource(pdev, 0);
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.h
index a63e4b1b81c3..36faa8d9d681 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.h
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.h
@@ -17,6 +17,8 @@
 #define VDEC_IRQ_CLR 0x10
 #define VDEC_IRQ_CFG_REG 0xa4
 
+#define IS_SUPPORT_VDEC_HW_IRQ(hw_idx) ((hw_idx) != MTK_VDEC_LAT_SOC)
+
 /**
  * enum mtk_vdec_hw_reg_idx - subdev hardware register base index
  * @VDEC_HW_SYS : vdec soc register index
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c
index 0fb7e5ba635b..d69faa463d04 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_pm.c
@@ -174,6 +174,14 @@ static void mtk_vcodec_dec_child_dev_on(struct mtk_vcodec_dev *vdec_dev,
 		mtk_vcodec_dec_pw_on(pm);
 		mtk_vcodec_dec_clock_on(pm);
 	}
+
+	if (hw_idx == MTK_VDEC_LAT0) {
+		pm = mtk_vcodec_dec_get_pm(vdec_dev, MTK_VDEC_LAT_SOC);
+		if (pm) {
+			mtk_vcodec_dec_pw_on(pm);
+			mtk_vcodec_dec_clock_on(pm);
+		}
+	}
 }
 
 static void mtk_vcodec_dec_child_dev_off(struct mtk_vcodec_dev *vdec_dev,
@@ -186,6 +194,14 @@ static void mtk_vcodec_dec_child_dev_off(struct mtk_vcodec_dev *vdec_dev,
 		mtk_vcodec_dec_clock_off(pm);
 		mtk_vcodec_dec_pw_off(pm);
 	}
+
+	if (hw_idx == MTK_VDEC_LAT0) {
+		pm = mtk_vcodec_dec_get_pm(vdec_dev, MTK_VDEC_LAT_SOC);
+		if (pm) {
+			mtk_vcodec_dec_clock_off(pm);
+			mtk_vcodec_dec_pw_off(pm);
+		}
+	}
 }
 
 void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_ctx *ctx, int hw_idx)
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
index a29041a0b7e0..0e3db8ccb398 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
@@ -104,6 +104,7 @@ enum mtk_vdec_hw_id {
 	MTK_VDEC_CORE,
 	MTK_VDEC_LAT0,
 	MTK_VDEC_LAT1,
+	MTK_VDEC_LAT_SOC,
 	MTK_VDEC_HW_MAX,
 };
 
-- 
2.18.0