| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (c) 2015-2016 MediaTek Inc. |
| 4 | * Author: Yong Wu <yong.wu@mediatek.com> |
| 5 | */ |
| 6 | #ifndef MTK_IOMMU_SMI_H |
| 7 | #define MTK_IOMMU_SMI_H |
| 8 | |
| 9 | #include <linux/bitops.h> |
| 10 | #include <linux/device.h> |
| 11 | |
| 12 | #if IS_ENABLED(CONFIG_MTK_SMI) |
| 13 | |
| 14 | #define MTK_LARB_NR_MAX 16 |
| 15 | |
| 16 | #define MTK_SMI_MMU_EN(port) BIT(port) |
| 17 | |
| 18 | struct mtk_smi_larb_iommu { |
| 19 | struct device *dev; |
| 20 | unsigned int mmu; |
| 21 | }; |
| 22 | |
| 23 | struct mtk_smi_iommu { |
| 24 | struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX]; |
| 25 | }; |
| 26 | |
| 27 | void mtk_smi_common_bw_set(struct device *dev, const u32 port, const u32 val); |
| 28 | void mtk_smi_larb_bw_set(struct device *dev, const u32 port, const u32 val); |
| 29 | |
| 30 | #else |
| 31 | |
| 32 | static inline void |
| 33 | mtk_smi_common_bw_set(struct device *dev, const u32 port, const u32 val) { } |
| 34 | static inline void |
| 35 | mtk_smi_larb_bw_set(struct device *dev, const u32 port, const u32 val) { } |
| 36 | |
| 37 | #endif |
| 38 | |
| 39 | #endif |