/* * Copyright (c) 2015-2016 MediaTek Inc. * Author: Yong Wu * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef MTK_IOMMU_SMI_H #define MTK_IOMMU_SMI_H #include #include #ifdef CONFIG_MTK_SMI #define MTK_LARB_NR_MAX 8 #define MTK_SMI_MMU_EN(port) BIT(port) struct mtk_smi_larb_iommu { struct device *dev; unsigned int mmu; }; struct mtk_smi_iommu { unsigned int larb_nr; struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX]; }; /* * mtk_smi_larb_get: Enable the power domain and clocks for this local arbiter. * It also initialize some basic setting(like iommu). * mtk_smi_larb_put: Disable the power domain and clocks for this local arbiter. * Both should be called in non-atomic context. * * Returns 0 if successful, negative on failure. */ int mtk_smi_larb_get(struct device *larbdev); void mtk_smi_larb_put(struct device *larbdev); #else static inline int mtk_smi_larb_get(struct device *larbdev) { return 0; } static inline void mtk_smi_larb_put(struct device *larbdev) { } #endif #endif ass='tabs'> summaryrefslogtreecommitdiff
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