LXR linux/drivers/gpu/drm/etnaviv/etnaviv

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (C) 2017 Etnaviv Project
   4 */
   5
   6#ifndef __ETNAVIV_CMDBUF_H__
   7#define __ETNAVIV_CMDBUF_H__
   8
   9#include <linux/types.h>
  10
  11struct device;
  12struct etnaviv_iommu_context;
  13struct etnaviv_vram_mapping;
  14struct etnaviv_cmdbuf_suballoc;
  15struct etnaviv_perfmon_request;
  16
  17struct etnaviv_cmdbuf {
  18        /* suballocator this cmdbuf is allocated from */
  19        struct etnaviv_cmdbuf_suballoc *suballoc;
  20        /* cmdbuf properties */
  21        int suballoc_offset;
  22        void *vaddr;
  23        u32 size;
  24        u32 user_size;
  25};
  26
  27struct etnaviv_cmdbuf_suballoc *
  28etnaviv_cmdbuf_suballoc_new(struct device *dev);
  29void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc);
  30int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc,
  31                                struct etnaviv_iommu_context *context,
  32                                struct etnaviv_vram_mapping *mapping,
  33                                u32 memory_base);
  34void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context,
  35                                   struct etnaviv_vram_mapping *mapping);
  36
  37
  38int etnaviv_cmdbuf_init(struct etnaviv_cmdbuf_suballoc *suballoc,
  39                struct etnaviv_cmdbuf *cmdbuf, u32 size);
  40void etnaviv_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
  41
  42u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf,
  43                          struct etnaviv_vram_mapping *mapping);
  44dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf);
  45
  46#endif /* __ETNAVIV_CMDBUF_H__ */
  47