| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2015-2016 MediaTek Inc. |
| * Author: Yong Wu <yong.wu@mediatek.com> |
| */ |
| #ifndef MTK_IOMMU_SMI_H |
| #define MTK_IOMMU_SMI_H |
| |
| #include <linux/bitops.h> |
| #include <linux/device.h> |
| |
| #if IS_ENABLED(CONFIG_MTK_SMI) |
| |
| #define MTK_LARB_NR_MAX 16 |
| |
| #define MTK_SMI_MMU_EN(port) BIT(port) |
| |
| struct mtk_smi_larb_iommu { |
| struct device *dev; |
| unsigned int mmu; |
| }; |
| |
| struct mtk_smi_iommu { |
| struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX]; |
| }; |
| |
| void mtk_smi_common_bw_set(struct device *dev, const u32 port, const u32 val); |
| void mtk_smi_larb_bw_set(struct device *dev, const u32 port, const u32 val); |
| |
| #else |
| |
| static inline void |
| mtk_smi_common_bw_set(struct device *dev, const u32 port, const u32 val) { } |
| static inline void |
| mtk_smi_larb_bw_set(struct device *dev, const u32 port, const u32 val) { } |
| |
| #endif |
| |
| #endif |