linux/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */

#include <linux/dma-mapping.h>

#include "msm_drv.h"
#include "msm_mmu.h"

#include "adreno_gpu.h"
#include "a2xx_gpu.h"

#include "a2xx.xml.h"

struct a2xx_gpummu { … };
#define to_a2xx_gpummu(x) …

#define GPUMMU_VA_START …
#define GPUMMU_VA_RANGE …
#define GPUMMU_PAGE_SIZE …
#define TABLE_SIZE …

static void a2xx_gpummu_detach(struct msm_mmu *mmu)
{ … }

static int a2xx_gpummu_map(struct msm_mmu *mmu, uint64_t iova,
		struct sg_table *sgt, size_t len, int prot)
{ … }

static int a2xx_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len)
{ … }

static void a2xx_gpummu_resume_translation(struct msm_mmu *mmu)
{ … }

static void a2xx_gpummu_destroy(struct msm_mmu *mmu)
{ … }

static const struct msm_mmu_funcs funcs = …;

struct msm_mmu *a2xx_gpummu_new(struct device *dev, struct msm_gpu *gpu)
{ … }

void a2xx_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base,
		dma_addr_t *tran_error)
{ … }