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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/drivers/video/rockchip/mpp/mpp_iommu.h
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@@ -65,6 +65,8 @@
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 	u32 is_paged;
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 };
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+struct mpp_dev;
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+
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 struct mpp_iommu_info {
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 	struct rw_semaphore rw_sem;
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@@ -74,6 +76,11 @@
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 	struct iommu_group *group;
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 	struct mpp_rk_iommu *iommu;
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 	iommu_fault_handler_t hdl;
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+
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+	spinlock_t dev_lock;
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+	struct mpp_dev *dev_active;
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+
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+	u32 av1d_iommu;
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 	int irq;
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 	int got_irq;
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 };
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@@ -97,6 +104,9 @@
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 			 struct mpp_dma_buffer *buffer);
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 int mpp_dma_map_kernel(struct mpp_dma_session *dma,
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 		       struct mpp_dma_buffer *buffer);
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+struct mpp_dma_buffer *mpp_dma_find_buffer_fd(struct mpp_dma_session *dma, int fd);
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+void mpp_dma_buf_sync(struct mpp_dma_buffer *buffer, u32 offset, u32 length,
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+		      enum dma_data_direction dir, bool for_cpu);
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 struct mpp_iommu_info *
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 mpp_iommu_probe(struct device *dev);
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@@ -107,6 +117,11 @@
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 int mpp_iommu_refresh(struct mpp_iommu_info *info, struct device *dev);
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 int mpp_iommu_flush_tlb(struct mpp_iommu_info *info);
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+int mpp_av1_iommu_disable(struct device *dev);
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+int mpp_av1_iommu_enable(struct device *dev);
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+
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+int mpp_iommu_dev_activate(struct mpp_iommu_info *info, struct mpp_dev *dev);
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+int mpp_iommu_dev_deactivate(struct mpp_iommu_info *info, struct mpp_dev *dev);
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 static inline int mpp_iommu_down_read(struct mpp_iommu_info *info)
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 {