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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013 - 2025 Intel Corporation */ #ifndef IPU7_MMU_H #define IPU7_MMU_H #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/spinlock_types.h> #include <linux/types.h> struct device; struct page; struct ipu7_hw_variants; struct ipu7_mmu; struct ipu7_mmu_info; #define ISYS_MMID 0x1 #define PSYS_MMID 0x0 /* IPU7 for LNL */ /* IS MMU Cmd RD */ #define IPU7_IS_MMU_FW_RD_OFFSET 0x274000 #define IPU7_IS_MMU_FW_RD_STREAM_NUM 3 #define IPU7_IS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU7_IS_MMU_FW_RD_L2_BLOCKNR_REG 0x60 /* IS MMU Cmd WR */ #define IPU7_IS_MMU_FW_WR_OFFSET 0x275000 #define IPU7_IS_MMU_FW_WR_STREAM_NUM 3 #define IPU7_IS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU7_IS_MMU_FW_WR_L2_BLOCKNR_REG 0x60 /* IS MMU Data WR Snoop */ #define IPU7_IS_MMU_M0_OFFSET 0x276000 #define IPU7_IS_MMU_M0_STREAM_NUM 8 #define IPU7_IS_MMU_M0_L1_BLOCKNR_REG 0x54 #define IPU7_IS_MMU_M0_L2_BLOCKNR_REG 0x74 /* IS MMU Data WR ISOC */ #define IPU7_IS_MMU_M1_OFFSET 0x277000 #define IPU7_IS_MMU_M1_STREAM_NUM 16 #define IPU7_IS_MMU_M1_L1_BLOCKNR_REG 0x54 #define IPU7_IS_MMU_M1_L2_BLOCKNR_REG 0x94 /* PS MMU FW RD */ #define IPU7_PS_MMU_FW_RD_OFFSET 0x148000 #define IPU7_PS_MMU_FW_RD_STREAM_NUM 20 #define IPU7_PS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU7_PS_MMU_FW_RD_L2_BLOCKNR_REG 0xa4 /* PS MMU FW WR */ #define IPU7_PS_MMU_FW_WR_OFFSET 0x149000 #define IPU7_PS_MMU_FW_WR_STREAM_NUM 10 #define IPU7_PS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU7_PS_MMU_FW_WR_L2_BLOCKNR_REG 0x7c /* PS MMU FW Data RD VC0 */ #define IPU7_PS_MMU_SRT_RD_OFFSET 0x14a000 #define IPU7_PS_MMU_SRT_RD_STREAM_NUM 40 #define IPU7_PS_MMU_SRT_RD_L1_BLOCKNR_REG 0x54 #define IPU7_PS_MMU_SRT_RD_L2_BLOCKNR_REG 0xf4 /* PS MMU FW Data WR VC0 */ #define IPU7_PS_MMU_SRT_WR_OFFSET 0x14b000 #define IPU7_PS_MMU_SRT_WR_STREAM_NUM 40 #define IPU7_PS_MMU_SRT_WR_L1_BLOCKNR_REG 0x54 #define IPU7_PS_MMU_SRT_WR_L2_BLOCKNR_REG 0xf4 /* IS UAO UC RD */ #define IPU7_IS_UAO_UC_RD_OFFSET 0x27c000 #define IPU7_IS_UAO_UC_RD_PLANENUM 4 /* IS UAO UC WR */ #define IPU7_IS_UAO_UC_WR_OFFSET 0x27d000 #define IPU7_IS_UAO_UC_WR_PLANENUM 4 /* IS UAO M0 WR */ #define IPU7_IS_UAO_M0_WR_OFFSET 0x27e000 #define IPU7_IS_UAO_M0_WR_PLANENUM 8 /* IS UAO M1 WR */ #define IPU7_IS_UAO_M1_WR_OFFSET 0x27f000 #define IPU7_IS_UAO_M1_WR_PLANENUM 16 /* PS UAO FW RD */ #define IPU7_PS_UAO_FW_RD_OFFSET 0x156000 #define IPU7_PS_UAO_FW_RD_PLANENUM 20 /* PS UAO FW WR */ #define IPU7_PS_UAO_FW_WR_OFFSET 0x157000 #define IPU7_PS_UAO_FW_WR_PLANENUM 16 /* PS UAO SRT RD */ #define IPU7_PS_UAO_SRT_RD_OFFSET 0x154000 #define IPU7_PS_UAO_SRT_RD_PLANENUM 40 /* PS UAO SRT WR */ #define IPU7_PS_UAO_SRT_WR_OFFSET 0x155000 #define IPU7_PS_UAO_SRT_WR_PLANENUM 40 #define IPU7_IS_ZLX_UC_RD_OFFSET 0x278000 #define IPU7_IS_ZLX_UC_WR_OFFSET 0x279000 #define IPU7_IS_ZLX_M0_OFFSET 0x27a000 #define IPU7_IS_ZLX_M1_OFFSET 0x27b000 #define IPU7_IS_ZLX_UC_RD_NUM 4 #define IPU7_IS_ZLX_UC_WR_NUM 4 #define IPU7_IS_ZLX_M0_NUM 8 #define IPU7_IS_ZLX_M1_NUM 16 #define IPU7_PS_ZLX_DATA_RD_OFFSET 0x14e000 #define IPU7_PS_ZLX_DATA_WR_OFFSET 0x14f000 #define IPU7_PS_ZLX_FW_RD_OFFSET 0x150000 #define IPU7_PS_ZLX_FW_WR_OFFSET 0x151000 #define IPU7_PS_ZLX_DATA_RD_NUM 32 #define IPU7_PS_ZLX_DATA_WR_NUM 32 #define IPU7_PS_ZLX_FW_RD_NUM 16 #define IPU7_PS_ZLX_FW_WR_NUM 10 /* IPU7P5 for PTL */ /* IS MMU Cmd RD */ #define IPU7P5_IS_MMU_FW_RD_OFFSET 0x274000 #define IPU7P5_IS_MMU_FW_RD_STREAM_NUM 3 #define IPU7P5_IS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU7P5_IS_MMU_FW_RD_L2_BLOCKNR_REG 0x60 /* IS MMU Cmd WR */ #define IPU7P5_IS_MMU_FW_WR_OFFSET 0x275000 #define IPU7P5_IS_MMU_FW_WR_STREAM_NUM 3 #define IPU7P5_IS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU7P5_IS_MMU_FW_WR_L2_BLOCKNR_REG 0x60 /* IS MMU Data WR Snoop */ #define IPU7P5_IS_MMU_M0_OFFSET 0x276000 #define IPU7P5_IS_MMU_M0_STREAM_NUM 16 #define IPU7P5_IS_MMU_M0_L1_BLOCKNR_REG 0x54 #define IPU7P5_IS_MMU_M0_L2_BLOCKNR_REG 0x94 /* IS MMU Data WR ISOC */ #define IPU7P5_IS_MMU_M1_OFFSET 0x277000 #define IPU7P5_IS_MMU_M1_STREAM_NUM 16 #define IPU7P5_IS_MMU_M1_L1_BLOCKNR_REG 0x54 #define IPU7P5_IS_MMU_M1_L2_BLOCKNR_REG 0x94 /* PS MMU FW RD */ #define IPU7P5_PS_MMU_FW_RD_OFFSET 0x148000 #define IPU7P5_PS_MMU_FW_RD_STREAM_NUM 16 #define IPU7P5_PS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU7P5_PS_MMU_FW_RD_L2_BLOCKNR_REG 0x94 /* PS MMU FW WR */ #define IPU7P5_PS_MMU_FW_WR_OFFSET 0x149000 #define IPU7P5_PS_MMU_FW_WR_STREAM_NUM 10 #define IPU7P5_PS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU7P5_PS_MMU_FW_WR_L2_BLOCKNR_REG 0x7c /* PS MMU FW Data RD VC0 */ #define IPU7P5_PS_MMU_SRT_RD_OFFSET 0x14a000 #define IPU7P5_PS_MMU_SRT_RD_STREAM_NUM 22 #define IPU7P5_PS_MMU_SRT_RD_L1_BLOCKNR_REG 0x54 #define IPU7P5_PS_MMU_SRT_RD_L2_BLOCKNR_REG 0xac /* PS MMU FW Data WR VC0 */ #define IPU7P5_PS_MMU_SRT_WR_OFFSET 0x14b000 #define IPU7P5_PS_MMU_SRT_WR_STREAM_NUM 32 #define IPU7P5_PS_MMU_SRT_WR_L1_BLOCKNR_REG 0x54 #define IPU7P5_PS_MMU_SRT_WR_L2_BLOCKNR_REG 0xd4 /* IS UAO UC RD */ #define IPU7P5_IS_UAO_UC_RD_OFFSET 0x27c000 #define IPU7P5_IS_UAO_UC_RD_PLANENUM 4 /* IS UAO UC WR */ #define IPU7P5_IS_UAO_UC_WR_OFFSET 0x27d000 #define IPU7P5_IS_UAO_UC_WR_PLANENUM 4 /* IS UAO M0 WR */ #define IPU7P5_IS_UAO_M0_WR_OFFSET 0x27e000 #define IPU7P5_IS_UAO_M0_WR_PLANENUM 16 /* IS UAO M1 WR */ #define IPU7P5_IS_UAO_M1_WR_OFFSET 0x27f000 #define IPU7P5_IS_UAO_M1_WR_PLANENUM 16 /* PS UAO FW RD */ #define IPU7P5_PS_UAO_FW_RD_OFFSET 0x156000 #define IPU7P5_PS_UAO_FW_RD_PLANENUM 16 /* PS UAO FW WR */ #define IPU7P5_PS_UAO_FW_WR_OFFSET 0x157000 #define IPU7P5_PS_UAO_FW_WR_PLANENUM 10 /* PS UAO SRT RD */ #define IPU7P5_PS_UAO_SRT_RD_OFFSET 0x154000 #define IPU7P5_PS_UAO_SRT_RD_PLANENUM 22 /* PS UAO SRT WR */ #define IPU7P5_PS_UAO_SRT_WR_OFFSET 0x155000 #define IPU7P5_PS_UAO_SRT_WR_PLANENUM 32 #define IPU7P5_IS_ZLX_UC_RD_OFFSET 0x278000 #define IPU7P5_IS_ZLX_UC_WR_OFFSET 0x279000 #define IPU7P5_IS_ZLX_M0_OFFSET 0x27a000 #define IPU7P5_IS_ZLX_M1_OFFSET 0x27b000 #define IPU7P5_IS_ZLX_UC_RD_NUM 4 #define IPU7P5_IS_ZLX_UC_WR_NUM 4 #define IPU7P5_IS_ZLX_M0_NUM 16 #define IPU7P5_IS_ZLX_M1_NUM 16 #define IPU7P5_PS_ZLX_DATA_RD_OFFSET 0x14e000 #define IPU7P5_PS_ZLX_DATA_WR_OFFSET 0x14f000 #define IPU7P5_PS_ZLX_FW_RD_OFFSET 0x150000 #define IPU7P5_PS_ZLX_FW_WR_OFFSET 0x151000 #define IPU7P5_PS_ZLX_DATA_RD_NUM 22 #define IPU7P5_PS_ZLX_DATA_WR_NUM 32 #define IPU7P5_PS_ZLX_FW_RD_NUM 16 #define IPU7P5_PS_ZLX_FW_WR_NUM 10 /* IS MMU Cmd RD */ #define IPU8_IS_MMU_FW_RD_OFFSET 0x270000 #define IPU8_IS_MMU_FW_RD_STREAM_NUM 3 #define IPU8_IS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU8_IS_MMU_FW_RD_L2_BLOCKNR_REG 0x60 /* IS MMU Cmd WR */ #define IPU8_IS_MMU_FW_WR_OFFSET 0x271000 #define IPU8_IS_MMU_FW_WR_STREAM_NUM 3 #define IPU8_IS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU8_IS_MMU_FW_WR_L2_BLOCKNR_REG 0x60 /* IS MMU Data WR Snoop */ #define IPU8_IS_MMU_M0_OFFSET 0x272000 #define IPU8_IS_MMU_M0_STREAM_NUM 16 #define IPU8_IS_MMU_M0_L1_BLOCKNR_REG 0x54 #define IPU8_IS_MMU_M0_L2_BLOCKNR_REG 0x94 /* IS MMU Data WR ISOC */ #define IPU8_IS_MMU_M1_OFFSET 0x273000 #define IPU8_IS_MMU_M1_STREAM_NUM 16 #define IPU8_IS_MMU_M1_L1_BLOCKNR_REG 0x54 #define IPU8_IS_MMU_M1_L2_BLOCKNR_REG 0x94 /* IS MMU UPIPE ISOC */ #define IPU8_IS_MMU_UPIPE_OFFSET 0x274000 #define IPU8_IS_MMU_UPIPE_STREAM_NUM 6 #define IPU8_IS_MMU_UPIPE_L1_BLOCKNR_REG 0x54 #define IPU8_IS_MMU_UPIPE_L2_BLOCKNR_REG 0x6c /* PS MMU FW RD */ #define IPU8_PS_MMU_FW_RD_OFFSET 0x148000 #define IPU8_PS_MMU_FW_RD_STREAM_NUM 12 #define IPU8_PS_MMU_FW_RD_L1_BLOCKNR_REG 0x54 #define IPU8_PS_MMU_FW_RD_L2_BLOCKNR_REG 0x84 /* PS MMU FW WR */ #define IPU8_PS_MMU_FW_WR_OFFSET 0x149000 #define IPU8_PS_MMU_FW_WR_STREAM_NUM 8 #define IPU8_PS_MMU_FW_WR_L1_BLOCKNR_REG 0x54 #define IPU8_PS_MMU_FW_WR_L2_BLOCKNR_REG 0x74 /* PS MMU FW Data RD VC0 */ #define IPU8_PS_MMU_SRT_RD_OFFSET 0x14a000 #define IPU8_PS_MMU_SRT_RD_STREAM_NUM 26 #define IPU8_PS_MMU_SRT_RD_L1_BLOCKNR_REG 0x54 #define IPU8_PS_MMU_SRT_RD_L2_BLOCKNR_REG 0xbc /* PS MMU FW Data WR VC0 */ #define IPU8_PS_MMU_SRT_WR_OFFSET 0x14b000 #define IPU8_PS_MMU_SRT_WR_STREAM_NUM 26 #define IPU8_PS_MMU_SRT_WR_L1_BLOCKNR_REG 0x54 #define IPU8_PS_MMU_SRT_WR_L2_BLOCKNR_REG 0xbc /* IS UAO UC RD */ #define IPU8_IS_UAO_UC_RD_OFFSET 0x27a000 #define IPU8_IS_UAO_UC_RD_PLANENUM 4 /* IS UAO UC WR */ #define IPU8_IS_UAO_UC_WR_OFFSET 0x27b000 #define IPU8_IS_UAO_UC_WR_PLANENUM 4 /* IS UAO M0 WR */ #define IPU8_IS_UAO_M0_WR_OFFSET 0x27c000 #define IPU8_IS_UAO_M0_WR_PLANENUM 16 /* IS UAO M1 WR */ #define IPU8_IS_UAO_M1_WR_OFFSET 0x27d000 #define IPU8_IS_UAO_M1_WR_PLANENUM 16 /* IS UAO UPIPE */ #define IPU8_IS_UAO_UPIPE_OFFSET 0x27e000 #define IPU8_IS_UAO_UPIPE_PLANENUM 6 /* PS UAO FW RD */ #define IPU8_PS_UAO_FW_RD_OFFSET 0x156000 #define IPU8_PS_UAO_FW_RD_PLANENUM 12 /* PS UAO FW WR */ #define IPU8_PS_UAO_FW_WR_OFFSET 0x157000 #define IPU8_PS_UAO_FW_WR_PLANENUM 8 /* PS UAO SRT RD */ #define IPU8_PS_UAO_SRT_RD_OFFSET 0x154000 #define IPU8_PS_UAO_SRT_RD_PLANENUM 26 /* PS UAO SRT WR */ #define IPU8_PS_UAO_SRT_WR_OFFSET 0x155000 #define IPU8_PS_UAO_SRT_WR_PLANENUM 26 #define IPU8_IS_ZLX_UC_RD_OFFSET 0x275000 #define IPU8_IS_ZLX_UC_WR_OFFSET 0x276000 #define IPU8_IS_ZLX_M0_OFFSET 0x277000 #define IPU8_IS_ZLX_M1_OFFSET 0x278000 #define IPU8_IS_ZLX_UPIPE_OFFSET 0x279000 #define IPU8_IS_ZLX_UC_RD_NUM 4 #define IPU8_IS_ZLX_UC_WR_NUM 4 #define IPU8_IS_ZLX_M0_NUM 16 #define IPU8_IS_ZLX_M1_NUM 16 #define IPU8_IS_ZLX_UPIPE_NUM 6 #define IPU8_PS_ZLX_DATA_RD_OFFSET 0x14e000 #define IPU8_PS_ZLX_DATA_WR_OFFSET 0x14f000 #define IPU8_PS_ZLX_FW_RD_OFFSET 0x150000 #define IPU8_PS_ZLX_FW_WR_OFFSET 0x151000 #define IPU8_PS_ZLX_DATA_RD_NUM 26 #define IPU8_PS_ZLX_DATA_WR_NUM 26 #define IPU8_PS_ZLX_FW_RD_NUM 12 #define IPU8_PS_ZLX_FW_WR_NUM 8 #define MMU_REG_INVALIDATE_0 0x00 #define MMU_REG_INVALIDATE_1 0x04 #define MMU_REG_PAGE_TABLE_BASE_ADDR 0x08 #define MMU_REG_USER_INFO_BITS 0x0c #define MMU_REG_AXI_REFILL_IF_ID 0x10 #define MMU_REG_PW_EN_BITMAP 0x14 #define MMU_REG_COLLAPSE_ENABLE_BITMAP 0x18 #define MMU_REG_GENERAL_REG 0x1c #define MMU_REG_AT_SP_ARB_CFG 0x20 #define MMU_REG_INVALIDATION_STATUS 0x24 #define MMU_REG_IRQ_LEVEL_NO_PULSE 0x28 #define MMU_REG_IRQ_MASK 0x2c #define MMU_REG_IRQ_ENABLE 0x30 #define MMU_REG_IRQ_EDGE 0x34 #define MMU_REG_IRQ_CLEAR 0x38 #define MMU_REG_IRQ_CAUSE 0x3c #define MMU_REG_CG_CTRL_BITS 0x40 #define MMU_REG_RD_FIFOS_STATUS 0x44 #define MMU_REG_WR_FIFOS_STATUS 0x48 #define MMU_REG_COMMON_FIFOS_STATUS 0x4c #define MMU_REG_FSM_STATUS 0x50 #define ZLX_REG_AXI_POOL 0x0 #define ZLX_REG_EN 0x20 #define ZLX_REG_CONF 0x24 #define ZLX_REG_CG_CTRL 0x900 #define ZLX_REG_FORCE_BYPASS 0x904 struct ipu7_mmu_info { struct device *dev; u32 *l1_pt; u32 l1_pt_dma; u32 **l2_pts; u32 *dummy_l2_pt; u32 dummy_l2_pteval; void *dummy_page; u32 dummy_page_pteval; dma_addr_t aperture_start; dma_addr_t aperture_end; unsigned long pgsize_bitmap; spinlock_t lock; /* Serialize access to users */ struct ipu7_dma_mapping *dmap; }; struct ipu7_mmu { struct list_head node; struct ipu7_mmu_hw *mmu_hw; unsigned int nr_mmus; unsigned int mmid; phys_addr_t pgtbl; struct device *dev; struct ipu7_dma_mapping *dmap; struct list_head vma_list; struct page *trash_page; dma_addr_t pci_trash_page; /* IOVA from PCI DMA services (parent) */ dma_addr_t iova_trash_page; /* IOVA for IPU child nodes to use */ bool ready; spinlock_t ready_lock; /* Serialize access to bool ready */ void (*tlb_invalidate)(struct ipu7_mmu *mmu); }; struct ipu7_mmu *ipu7_mmu_init(struct device *dev, void __iomem *base, int mmid, const struct ipu7_hw_variants *hw); void ipu7_mmu_cleanup(struct ipu7_mmu *mmu); int ipu7_mmu_hw_init(struct ipu7_mmu *mmu); void ipu7_mmu_hw_cleanup(struct ipu7_mmu *mmu); int ipu7_mmu_map(struct ipu7_mmu_info *mmu_info, unsigned long iova, phys_addr_t paddr, size_t size); void ipu7_mmu_unmap(struct ipu7_mmu_info *mmu_info, unsigned long iova, size_t size); phys_addr_t ipu7_mmu_iova_to_phys(struct ipu7_mmu_info *mmu_info, dma_addr_t iova); #endif
