| /* |
| * rcar_du_plane.h -- R-Car Display Unit Planes |
| * |
| * Copyright (C) 2013 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 __RCAR_DU_PLANE_H__ |
| #define __RCAR_DU_PLANE_H__ |
| |
| #include <linux/mutex.h> |
| |
| #include <drm/drmP.h> |
| #include <drm/drm_crtc.h> |
| |
| struct rcar_du_device; |
| struct rcar_du_format_info; |
| |
| /* The RCAR DU has 8 hardware planes, shared between KMS planes and CRTCs. As |
| * using KMS planes requires at least one of the CRTCs being enabled, no more |
| * than 7 KMS planes can be available. We thus create 7 KMS planes and |
| * 9 software planes (one for each KMS planes and one for each CRTC). |
| */ |
| |
| #define RCAR_DU_NUM_KMS_PLANES 7 |
| #define RCAR_DU_NUM_HW_PLANES 8 |
| #define RCAR_DU_NUM_SW_PLANES 9 |
| |
| struct rcar_du_plane { |
| struct rcar_du_device *dev; |
| struct drm_crtc *crtc; |
| |
| bool enabled; |
| |
| int hwindex; /* 0-based, -1 means unused */ |
| unsigned int alpha; |
| unsigned int colorkey; |
| unsigned int zpos; |
| |
| const struct rcar_du_format_info *format; |
| |
| unsigned long dma[2]; |
| unsigned int pitch; |
| |
| unsigned int width; |
| unsigned int height; |
| |
| unsigned int src_x; |
| unsigned int src_y; |
| unsigned int dst_x; |
| unsigned int dst_y; |
| }; |
| |
| struct rcar_du_planes { |
| struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES]; |
| unsigned int free; |
| struct mutex lock; |
| |
| struct drm_property *alpha; |
| struct drm_property *colorkey; |
| struct drm_property *zpos; |
| }; |
| |
| int rcar_du_plane_init(struct rcar_du_device *rcdu); |
| int rcar_du_plane_register(struct rcar_du_device *rcdu); |
| void rcar_du_plane_setup(struct rcar_du_plane *plane); |
| void rcar_du_plane_update_base(struct rcar_du_plane *plane); |
| void rcar_du_plane_compute_base(struct rcar_du_plane *plane, |
| struct drm_framebuffer *fb); |
| int rcar_du_plane_reserve(struct rcar_du_plane *plane, |
| const struct rcar_du_format_info *format); |
| void rcar_du_plane_release(struct rcar_du_plane *plane); |
| |
| #endif /* __RCAR_DU_PLANE_H__ */ |