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/*
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 * Copyright (c) 2018 naehrwert
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 * Copyright (c) 2018-2024 CTCaer
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include <assert.h>
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#include <utils/types.h>
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#define MC_SMMU_AVPC_ASID            0x23C
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#define MC_SMMU_TSEC_ASID            0x294
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#define SMMU_NS    BIT(0)
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#define SMMU_WRITE BIT(1)
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#define SMMU_READ  BIT(2)
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#define SMMU_ATTR_ALL (SMMU_READ | SMMU_WRITE | SMMU_NS)
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typedef struct _pde_t {
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	union {
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		union {
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			struct {
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				u32 table:22;
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				u32 rsvd:6;
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				u32 next:1;
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				u32 attr:3;
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			} tbl;
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			struct {
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				u32 rsvd_:10;
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				u32 page:12;
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				u32 rsvd:6;
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				u32 next:1;
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				u32 attr:3;
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			} huge;
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		};
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		u32 pde;
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	};
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} pde_t;
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typedef struct _pte_t {
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	u32 page:22;
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	u32 rsvd:7;
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	u32 attr:3;
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} pte_t;
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static_assert(sizeof(pde_t) == sizeof(u32), "pde_t size is wrong!");
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static_assert(sizeof(pte_t) == sizeof(u32), "pte_t size is wrong!");
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void *smmu_page_zalloc(u32 num);
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void  smmu_flush_all();
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void  smmu_init();
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void  smmu_enable();
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void  smmu_reset_heap();
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void *smmu_init_domain(u32 dev_base, u32 asid);
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void  smmu_deinit_domain(u32 dev_base, u32 asid);
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void  smmu_domain_bypass(u32 dev_base, bool bypass);
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void  smmu_map(void *ptb, u32 iova, u64 iopa, u32 pages, u32 attr);
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void  smmu_map_huge(void *ptb, u32 iova, u64 iopa, u32 regions, u32 attr);
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