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/*
* dmm_2d_alloc.h
*
* DMM driver support functions for TI OMAP processors.
*
* Copyright (C) 2009-2010 Texas Instruments, Inc.
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _DMM_2D_ALLOC_H
#define _DMM_2D_ALLOC_H
#define __NEWCODE__
enum MSP_BOOL {
MSP_FALSE = 0,
MSP_TRUE
};
enum SideAffinity {
PSA_NONE,
PSA_LEFT,
PSA_TOP,
PSA_BOTTOM,
PSA_RIGHT
};
struct dmmTILERContPageAreaT {
unsigned short x0;
unsigned short y0;
unsigned short x1;
unsigned short y1;
unsigned short xPageOfst;
unsigned short yPageOfst;
unsigned short xPageCount;
unsigned short yPageCount;
enum SideAffinity fitToSide;
int patCustomPages;
unsigned long *patPageEntriesSpace;
#ifdef __NEWCODE__
struct page *page_list;
unsigned long *page_list_virt;
#endif
unsigned long *patPageEntries;
};
struct dmmTILERContPageAreaSpecT {
struct dmmTILERContPageAreaT ttlExpndAr;
struct dmmTILERContPageAreaT plmntAr;
struct dmmTILERContPageAreaT *anchrAr;
};
struct dmmTILERContPageLstT {
struct dmmTILERContPageLstT *pgArNext;
struct dmmTILERContPageAreaT *anchrAr;
struct dmmTILERContPageAreaT pgAr;
};
struct dmmTILERContCtxT {
signed long contSizeX;
signed long contSizeY;
struct dmmTILERContPageLstT *usdArList;
struct dmmTILERContPageAreaSpecT tmpArSelect;
};
/* ========================================================================== */
/**
* alloc2DArea()
*
* @brief Allocates a 2D area and returns a pointer to it.
*
* @param tlrCtx - dmmTILERContCtxT* - [in] TILER context structure.
*
* @param areaReq - dmmTILERContPageAreaT* - [in] Required area for allcoation.
*
* @return dmmTILERContPageAreaT*: pointer to the allocated area.
*
* @pre There is no pre conditions.
*
* @post There is no post conditions.
*
* @see
*/
/* ========================================================================== */
struct dmmTILERContPageAreaT *alloc_2d_area(
struct dmmTILERContCtxT *dmmTilerCtx,
struct dmmTILERContPageAreaT *areaReq);
/* ========================================================================== */
/**
* deAlloc2DArea()
*
* @brief Deletes a 2D area from the TILER context.
*
* @param tlrCtx - dmmTILERContCtxT* - [in] TILER context structure.
*
* @param areaRem - dmmTILERContPageAreaT* - [in] Area to remove.
*
* @return int: True if the specified area is successfuly deleted.
*
* @pre There is no pre conditions.
*
* @post There is no post conditions.
*
* @see
*/
/* ========================================================================== */
enum MSP_BOOL dealloc_2d_area(struct dmmTILERContCtxT *dmmTilerCtx,
struct dmmTILERContPageAreaT *areaRem);
/* ========================================================================== */
/**
* search2DArea()
*
* @brief Deletes a 2D area from the TILER context.
*
* @param tlrCtx - dmmTILERContCtxT* - [in] TILER context structure.
*
* @param X - signed long - [in] X coordinate of the search area.
*
* @param Y - signed long - [in] X coordinate of the search area.
*
* @param xInvert - int - [in] X coordinate is inverted.
*
* @param yInvert - int - [in] Y coordinate is inverted.
*
* @return dmmTILERContPageAreaT*: pointer to the discovered 2D area
* or NULL if no such area is found.
*
* @pre There is no pre conditions.
*
* @post There is no post conditions.
*
* @see
*/
/* ========================================================================== */
struct dmmTILERContPageAreaT *search_2d_area(
struct dmmTILERContCtxT *dmmTilerCtx,
signed long X,
signed long Y,
enum MSP_BOOL xInvert,
enum MSP_BOOL yInvert);
#endif /* _DMM_2D_ALLOC_H */
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