drivers/misc/mediatek/gpu/mt8127/mali/mali/linux/mali_memory_dma_buf.h

   1 /*
   2  * This confidential and proprietary software may be used only as
   3  * authorised by a licensing agreement from ARM Limited
   4  * (C) COPYRIGHT 2011-2015 ARM Limited
   5  * ALL RIGHTS RESERVED
   6  * The entire notice above must be reproduced on all authorised
   7  * copies and copies may only be made to the extent permitted
   8  * by a licensing agreement from ARM Limited.
   9  */
  10
  11 #ifndef __MALI_MEMORY_DMA_BUF_H__
  12 #define __MALI_MEMORY_DMA_BUF_H__
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif
  17
  18 #include "mali_uk_types.h"
  19 #include "mali_osk.h"
  20 #include "mali_memory.h"
  21
  22 struct mali_pp_job;
  23
  24 struct mali_dma_buf_attachment;
  25 struct mali_dma_buf_attachment {
  26         struct dma_buf *buf;
  27         struct dma_buf_attachment *attachment;
  28         struct sg_table *sgt;
  29         struct mali_session_data *session;
  30         int map_ref;
  31         struct mutex map_lock;
  32         mali_bool is_mapped;
  33         wait_queue_head_t wait_queue;
  34 };
  35
  36 int mali_dma_buf_get_size(struct mali_session_data *session, _mali_uk_dma_buf_get_size_s __user *arg);
  37
  38 void mali_mem_unbind_dma_buf(mali_mem_backend *mem_backend);
  39
  40 _mali_osk_errcode_t mali_mem_bind_dma_buf(mali_mem_allocation *alloc,
  41                 mali_mem_backend *mem_backend,
  42                 int fd, u32 flags);
  43
  44 #if !defined(CONFIG_MALI_DMA_BUF_MAP_ON_ATTACH)
  45 int mali_dma_buf_map_job(struct mali_pp_job *job);
  46 void mali_dma_buf_unmap_job(struct mali_pp_job *job);
  47 #endif
  48
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52
  53 #endif /* __MALI_MEMORY_DMA_BUF_H__ */