linux/drivers/media/platform/vsp1/vsp1_dl.h

47 lines
1.6 KiB
C

/*
* vsp1_dl.h -- R-Car VSP1 Display List
*
* Copyright (C) 2015 Renesas Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __VSP1_DL_H__
#define __VSP1_DL_H__
#include <linux/types.h>
struct vsp1_device;
struct vsp1_dl_fragment;
struct vsp1_dl_list;
struct vsp1_dl_manager;
void vsp1_dlm_setup(struct vsp1_device *vsp1);
struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
unsigned int index,
unsigned int prealloc);
void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm);
void vsp1_dlm_reset(struct vsp1_dl_manager *dlm);
void vsp1_dlm_irq_display_start(struct vsp1_dl_manager *dlm);
void vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm);
struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm);
void vsp1_dl_list_put(struct vsp1_dl_list *dl);
void vsp1_dl_list_write(struct vsp1_dl_list *dl, u32 reg, u32 data);
void vsp1_dl_list_commit(struct vsp1_dl_list *dl);
struct vsp1_dl_body *vsp1_dl_fragment_alloc(struct vsp1_device *vsp1,
unsigned int num_entries);
void vsp1_dl_fragment_free(struct vsp1_dl_body *dlb);
void vsp1_dl_fragment_write(struct vsp1_dl_body *dlb, u32 reg, u32 data);
int vsp1_dl_list_add_fragment(struct vsp1_dl_list *dl,
struct vsp1_dl_body *dlb);
int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl);
#endif /* __VSP1_DL_H__ */