72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
|
|
* rcar_du_plane.h -- R-Car Display Unit Planes
|
|
*
|
|
* Copyright (C) 2013-2014 Renesas Electronics 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 __RCAR_DU_PLANE_H__
|
|
#define __RCAR_DU_PLANE_H__
|
|
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc.h>
|
|
|
|
struct rcar_du_format_info;
|
|
struct rcar_du_group;
|
|
|
|
/* The RCAR DU has 8 hardware planes, shared between primary and overlay planes.
|
|
* As using overlay planes requires at least one of the CRTCs being enabled, no
|
|
* more than 7 overlay planes can be available. We thus create 1 primary plane
|
|
* per CRTC and 7 overlay planes, for a total of up to 9 KMS planes.
|
|
*/
|
|
#define RCAR_DU_NUM_KMS_PLANES 9
|
|
#define RCAR_DU_NUM_HW_PLANES 8
|
|
|
|
struct rcar_du_plane {
|
|
struct drm_plane plane;
|
|
struct rcar_du_group *group;
|
|
};
|
|
|
|
static inline struct rcar_du_plane *to_rcar_plane(struct drm_plane *plane)
|
|
{
|
|
return container_of(plane, struct rcar_du_plane, plane);
|
|
}
|
|
|
|
/**
|
|
* struct rcar_du_plane_state - Driver-specific plane state
|
|
* @state: base DRM plane state
|
|
* @format: information about the pixel format used by the plane
|
|
* @hwindex: 0-based hardware plane index, -1 means unused
|
|
* @alpha: value of the plane alpha property
|
|
* @colorkey: value of the plane colorkey property
|
|
* @zpos: value of the plane zpos property
|
|
*/
|
|
struct rcar_du_plane_state {
|
|
struct drm_plane_state state;
|
|
|
|
const struct rcar_du_format_info *format;
|
|
int hwindex;
|
|
|
|
unsigned int alpha;
|
|
unsigned int colorkey;
|
|
unsigned int zpos;
|
|
};
|
|
|
|
static inline struct rcar_du_plane_state *
|
|
to_rcar_plane_state(struct drm_plane_state *state)
|
|
{
|
|
return container_of(state, struct rcar_du_plane_state, state);
|
|
}
|
|
|
|
int rcar_du_planes_init(struct rcar_du_group *rgrp);
|
|
|
|
void rcar_du_plane_setup(struct rcar_du_plane *plane);
|
|
|
|
#endif /* __RCAR_DU_PLANE_H__ */
|