/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2019 MediaTek Inc. */ #ifndef IOMMU_SECURE_H #define IOMMU_SECURE_H #define SMC_IOMMU_SUCCESS (0) #define SMC_IOMMU_FAIL (1) #define SMC_IOMMU_NONSUPPORT (-1) #if IS_ENABLED(CONFIG_MTK_IOMMU_MISC_SECURE) int mtk_iommu_sec_bk_init_by_atf(uint32_t type, uint32_t id); int mtk_iommu_sec_bk_irq_en_by_atf(uint32_t type, uint32_t id, unsigned long en); int mtk_iommu_secure_bk_backup_by_atf(uint32_t type, uint32_t id); int mtk_iommu_secure_bk_restore_by_atf(uint32_t type, uint32_t id); int mtk_iommu_secure_bk_tf_dump(uint32_t type, uint32_t id, uint32_t bank, u32 *iova, u32 *pa, u32 *fault_id); int ao_secure_dbg_switch_by_atf(uint32_t type, uint32_t id, unsigned long en); /* test cmd */ #if IS_ENABLED(CONFIG_MTK_IOMMU_DEBUG) void mtk_iommu_dump_bank_base(void); int mtk_iommu_dump_bk0_val(uint32_t type, uint32_t id); int mtk_iommu_sec_bk_pgtable_dump(uint32_t type, uint32_t id, uint32_t bank, u64 iova); #endif #else int mtk_iommu_sec_bk_init_by_atf(uint32_t type, uint32_t id) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int mtk_iommu_sec_bk_irq_en_by_atf(uint32_t type, uint32_t id, unsigned long en) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int mtk_iommu_secure_bk_backup_by_atf(uint32_t type, uint32_t id) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int mtk_iommu_secure_bk_restore_by_atf(uint32_t type, uint32_t id) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int mtk_iommu_secure_bk_tf_dump(uint32_t type, uint32_t id, uint32_t bank, u32 *iova, u32 *pa, u32 *fault_id) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int ao_secure_dbg_switch_by_atf(uint32_t type, uint32_t id, unsigned long en) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } /* test cmd */ #if IS_ENABLED(CONFIG_MTK_IOMMU_DEBUG) void mtk_iommu_dump_bank_base(void) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); } int mtk_iommu_dump_bk0_val(uint32_t type, uint32_t id) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } int mtk_iommu_sec_bk_pgtable_dump(uint32_t type, uint32_t id, uint32_t bank, u64 iova) { pr_warn("mtk_iommu: secure warning, %s is not support\n", __func__); return 0; } #endif #endif #endif