14bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart/* 24bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * rcar_du_plane.h -- R-Car Display Unit Planes 34bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * 436d50464e05f498fa4024270e091b306af5de898Laurent Pinchart * Copyright (C) 2013-2014 Renesas Electronics Corporation 54bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * 64bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 74bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * 84bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * This program is free software; you can redistribute it and/or modify 94bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * it under the terms of the GNU General Public License as published by 104bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * the Free Software Foundation; either version 2 of the License, or 114bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * (at your option) any later version. 124bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart */ 134bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 144bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#ifndef __RCAR_DU_PLANE_H__ 154bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#define __RCAR_DU_PLANE_H__ 164bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 17ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart#include <linux/mutex.h> 18ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart 19ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart#include <drm/drmP.h> 20ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart#include <drm/drm_crtc.h> 21ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart 224bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartstruct rcar_du_format_info; 23cb2025d2509ffab1c426509fd9de3d83e40398b9Laurent Pinchartstruct rcar_du_group; 244bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 254bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart/* The RCAR DU has 8 hardware planes, shared between KMS planes and CRTCs. As 264bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * using KMS planes requires at least one of the CRTCs being enabled, no more 274bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * than 7 KMS planes can be available. We thus create 7 KMS planes and 284bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart * 9 software planes (one for each KMS planes and one for each CRTC). 294bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart */ 304bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 314bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#define RCAR_DU_NUM_KMS_PLANES 7 324bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#define RCAR_DU_NUM_HW_PLANES 8 334bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#define RCAR_DU_NUM_SW_PLANES 9 344bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 354bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartstruct rcar_du_plane { 36cb2025d2509ffab1c426509fd9de3d83e40398b9Laurent Pinchart struct rcar_du_group *group; 374bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart struct drm_crtc *crtc; 384bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 394bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart bool enabled; 404bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 414bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart int hwindex; /* 0-based, -1 means unused */ 424bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int alpha; 434bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int colorkey; 444bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int zpos; 454bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 464bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart const struct rcar_du_format_info *format; 474bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 484bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned long dma[2]; 494bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int pitch; 504bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 514bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int width; 524bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int height; 534bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 544bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int src_x; 554bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int src_y; 564bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int dst_x; 574bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart unsigned int dst_y; 584bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart}; 594bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 60ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchartstruct rcar_du_planes { 61ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES]; 62ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart unsigned int free; 63ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart struct mutex lock; 64ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart 65ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart struct drm_property *alpha; 66ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart struct drm_property *colorkey; 67ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart struct drm_property *zpos; 68ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart}; 69ae425b6a77a1118b1b4f594efe4aaa4243bf222bLaurent Pinchart 70cb2025d2509ffab1c426509fd9de3d83e40398b9Laurent Pinchartint rcar_du_planes_init(struct rcar_du_group *rgrp); 71cb2025d2509ffab1c426509fd9de3d83e40398b9Laurent Pinchartint rcar_du_planes_register(struct rcar_du_group *rgrp); 727fe99fda5f5c52a01b2c966aa68341a0b3d8ab33Laurent Pinchart 734bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartvoid rcar_du_plane_setup(struct rcar_du_plane *plane); 744bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartvoid rcar_du_plane_update_base(struct rcar_du_plane *plane); 754bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartvoid rcar_du_plane_compute_base(struct rcar_du_plane *plane, 764bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart struct drm_framebuffer *fb); 774bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartint rcar_du_plane_reserve(struct rcar_du_plane *plane, 784bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart const struct rcar_du_format_info *format); 794bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchartvoid rcar_du_plane_release(struct rcar_du_plane *plane); 804bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart 814bf8e1962f91eed5dbee168d2348983dda0a518fLaurent Pinchart#endif /* __RCAR_DU_PLANE_H__ */ 82