162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2020-2023 Intel Corporation 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef __IVPU_MMU_H__ 762306a36Sopenharmony_ci#define __IVPU_MMU_H__ 862306a36Sopenharmony_ci 962306a36Sopenharmony_cistruct ivpu_device; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_cistruct ivpu_mmu_cdtab { 1262306a36Sopenharmony_ci void *base; 1362306a36Sopenharmony_ci dma_addr_t dma; 1462306a36Sopenharmony_ci}; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_cistruct ivpu_mmu_strtab { 1762306a36Sopenharmony_ci void *base; 1862306a36Sopenharmony_ci dma_addr_t dma; 1962306a36Sopenharmony_ci u64 dma_q; 2062306a36Sopenharmony_ci u32 base_cfg; 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistruct ivpu_mmu_queue { 2462306a36Sopenharmony_ci void *base; 2562306a36Sopenharmony_ci dma_addr_t dma; 2662306a36Sopenharmony_ci u64 dma_q; 2762306a36Sopenharmony_ci u32 prod; 2862306a36Sopenharmony_ci u32 cons; 2962306a36Sopenharmony_ci}; 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_cistruct ivpu_mmu_info { 3262306a36Sopenharmony_ci struct mutex lock; /* Protects cdtab, strtab, cmdq, on */ 3362306a36Sopenharmony_ci struct ivpu_mmu_cdtab cdtab; 3462306a36Sopenharmony_ci struct ivpu_mmu_strtab strtab; 3562306a36Sopenharmony_ci struct ivpu_mmu_queue cmdq; 3662306a36Sopenharmony_ci struct ivpu_mmu_queue evtq; 3762306a36Sopenharmony_ci bool on; 3862306a36Sopenharmony_ci}; 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciint ivpu_mmu_init(struct ivpu_device *vdev); 4162306a36Sopenharmony_civoid ivpu_mmu_disable(struct ivpu_device *vdev); 4262306a36Sopenharmony_ciint ivpu_mmu_enable(struct ivpu_device *vdev); 4362306a36Sopenharmony_ciint ivpu_mmu_set_pgtable(struct ivpu_device *vdev, int ssid, struct ivpu_mmu_pgtable *pgtable); 4462306a36Sopenharmony_civoid ivpu_mmu_clear_pgtable(struct ivpu_device *vdev, int ssid); 4562306a36Sopenharmony_ciint ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_civoid ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev); 4862306a36Sopenharmony_civoid ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev); 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci#endif /* __IVPU_MMU_H__ */ 51