/* SPDX-License-Identifier: MIT *//** * \file drm_sarea.h * \brief SAREA definitions * * \author Michel Dänzer <michel@daenzer.net> */ /* * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. */ #ifndef _DRM_SAREA_H_#define _DRM_SAREA_H_ #include "drm.h" #if defined(__cplusplus)extern "C" {#endif /* SAREA area needs to be at least a page */#if defined(__alpha__)#define SAREA_MAX                       0x2000U#elif defined(__mips__)#define SAREA_MAX                       0x4000U#elif defined(__ia64__)#define SAREA_MAX                       0x10000U	/* 64kB */#else/* Intel 830M driver needs at least 8k SAREA */#define SAREA_MAX                       0x2000U#endif /** Maximum number of drawables in the SAREA */#define SAREA_MAX_DRAWABLES		256 #define SAREA_DRAWABLE_CLAIMED_ENTRY    0x80000000 /** SAREA drawable */struct drm_sarea_drawable {	unsigned int stamp;	unsigned int flags;}; /** SAREA frame */struct drm_sarea_frame {	unsigned int x;	unsigned int y;	unsigned int width;	unsigned int height;	unsigned int fullscreen;}; /** SAREA */struct drm_sarea {    /** first thing is always the DRM locking structure */	struct drm_hw_lock lock;    /** \todo Use readers/writer lock for drm_sarea::drawable_lock */	struct drm_hw_lock drawable_lock;	struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES];	/**< drawables */	struct drm_sarea_frame frame;	/**< frame */	drm_context_t dummy_context;}; #ifndef __KERNEL__typedef struct drm_sarea_drawable drm_sarea_drawable_t;typedef struct drm_sarea_frame drm_sarea_frame_t;typedef struct drm_sarea drm_sarea_t;#endif #if defined(__cplusplus)}#endif #endif				/* _DRM_SAREA_H_ */