media: mediatek: vcodec: Add to support lat soc hardware

Add lat soc compatible and to support lat soc power/clk helper.
Signed-off-by: NYunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>

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);
 
+	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);

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

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)

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,
 };