drivers/media/platform/vsp1/vsp1_dl.h

   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
  18 struct vsp1_device;
  19 struct vsp1_dl_fragment;
  20 struct vsp1_dl_list;
  21 struct vsp1_dl_manager;
  22
  23 void vsp1_dlm_setup(struct vsp1_device *vsp1);
  24
  25 struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
  26                                         unsigned int index,
  27                                         unsigned int prealloc);
  28 void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm);
  29 void vsp1_dlm_reset(struct vsp1_dl_manager *dlm);
  30 void vsp1_dlm_irq_display_start(struct vsp1_dl_manager *dlm);
  31 void vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm);
  32
  33 struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm);
  34 void vsp1_dl_list_put(struct vsp1_dl_list *dl);
  35 void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data);
  36 void vsp1_dl_list_commit(struct vsp1_dl_list *dl);
  37
  38 struct vsp1_dl_body *vsp1_dl_fragment_alloc(struct vsp1_device *vsp1,
  39                                             unsigned int num_entries);
  40 void vsp1_dl_fragment_free(struct vsp1_dl_body *dlb);
  41 void vsp1_dl_fragment_write(struct vsp1_dl_body *dlb, u32 reg, u32 data);
  42 int vsp1_dl_list_add_fragment(struct vsp1_dl_list *dl,
  43                               struct vsp1_dl_body *dlb);
  44 int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl);
  45
  46 #endif /* __VSP1_DL_H__ */