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22 lines
607 B
C
22 lines
607 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2016 MediaTek Inc.
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* Author: Yong Wu <yong.wu@mediatek.com>
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*/
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#ifndef __DTS_MTK_IOMMU_PORT_H_
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#define __DTS_MTK_IOMMU_PORT_H_
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#define MTK_LARB_NR_MAX 64
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#define MTK_M4U_DOM_NR_MAX 16
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#define MTK_M4U_DOM_ID(dom, larb, port) ((dom & 0xf) << 16 |\
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((larb & 0x3f) << 5) | (port & 0x1f))
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/* The default dom is 0. */
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#define MTK_M4U_ID(larb, port) MTK_M4U_DOM_ID(0, larb, port)
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#define MTK_M4U_TO_LARB(id) (((id) >> 5) & 0x3f)
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#define MTK_M4U_TO_PORT(id) ((id) & 0x1f)
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#define MTK_M4U_TO_DOM(id) (((id) >> 16) & 0xf)
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#endif
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