linux/drivers/media/platform/vsp1/vsp1_dl.h
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   1/*
   2 * vsp1_dl.h  --  R-Car VSP1 Display List
   3 *
   4 * Copyright (C) 2015 Renesas Corporation
   5 *
   6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 */
  13#ifndef __VSP1_DL_H__
  14#define __VSP1_DL_H__
  15
  16#include <linux/types.h>
  17
  18struct vsp1_device;
  19struct vsp1_dl_fragment;
  20struct vsp1_dl_list;
  21struct vsp1_dl_manager;
  22
  23void vsp1_dlm_setup(struct vsp1_device *vsp1);
  24
  25struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
  26                                        unsigned int index,
  27                                        unsigned int prealloc);
  28void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm);
  29void vsp1_dlm_reset(struct vsp1_dl_manager *dlm);
  30bool vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm);
  31
  32struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm);
  33void vsp1_dl_list_put(struct vsp1_dl_list *dl);
  34void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data);
  35void vsp1_dl_list_commit(struct vsp1_dl_list *dl);
  36
  37struct vsp1_dl_body *vsp1_dl_fragment_alloc(struct vsp1_device *vsp1,
  38                                            unsigned int num_entries);
  39void vsp1_dl_fragment_free(struct vsp1_dl_body *dlb);
  40void vsp1_dl_fragment_write(struct vsp1_dl_body *dlb, u32 reg, u32 data);
  41int vsp1_dl_list_add_fragment(struct vsp1_dl_list *dl,
  42                              struct vsp1_dl_body *dlb);
  43int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl);
  44
  45#endif /* __VSP1_DL_H__ */
  46