add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/video/rockchip/mpp/hack/mpp_hack_px30.c
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@@ -19,6 +19,7 @@
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 #include "../mpp_common.h"
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 #include "../mpp_iommu.h"
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 #include "mpp_hack_px30.h"
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+#include <soc/rockchip/rockchip_iommu.h>
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 #define RK_MMU_DTE_ADDR			0x00 /* Directory table address */
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 #define RK_MMU_STATUS			0x04
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@@ -177,7 +178,17 @@
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 		iommu->grf_val = mpp->grf_info->val & MPP_GRF_VAL_MASK;
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 		if (mpp->hw_ops->clk_on)
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 			mpp->hw_ops->clk_on(mpp);
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-		iommu->dte_addr =  mpp_iommu_get_dte_addr(iommu);
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+		/*
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+		 * ensure that iommu is enable, so that read valid dte value
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+		 */
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+		if (rockchip_iommu_is_enabled(mpp->dev))
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+			iommu->dte_addr = mpp_iommu_get_dte_addr(iommu);
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+		else {
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+			rockchip_iommu_enable(mpp->dev);
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+			iommu->dte_addr = mpp_iommu_get_dte_addr(iommu);
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+			rockchip_iommu_disable(mpp->dev);
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+		}
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+		dev_err(mpp->dev, "%s dte_addr %08x\n", __func__, iommu->dte_addr);
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 		if (mpp->hw_ops->clk_off)
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 			mpp->hw_ops->clk_off(mpp);
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 		INIT_LIST_HEAD(&iommu->link);