Commit c7d6a0d6 authored by Corentin Labbe's avatar Corentin Labbe Committed by Tomi Valkeinen
Browse files

drm/omap: remove unused header tcm-sita.h 



tcm-sita.h is unused since commit 0d6fa53f ("drm/omap: Use bitmaps for TILER placement")
Let's remove it.

Signed-off-by: default avatarCorentin Labbe <clabbe@baylibre.com>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 87c2ee74

drivers/gpu/drm/omapdrm/tcm-sita.h

deleted100644 → 0
+0 −93
Original line number Diff line number Diff line 
/*

 * SImple Tiler Allocator (SiTA) private structures.

 *

 * Copyright (C) 2009-2011 Texas Instruments Incorporated - http://www.ti.com/

 * Author: Ravi Ramachandra <r.ramachandra@ti.com>

 *

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * * Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 *

 * * Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 *

 * * Neither the name of Texas Instruments Incorporated nor the names of

 *   its contributors may be used to endorse or promote products derived

 *   from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */



#ifndef _TCM_SITA_H

#define _TCM_SITA_H



#include "tcm.h"



/* length between two coordinates */

#define LEN(a, b) ((a) > (b) ? (a) - (b) + 1 : (b) - (a) + 1)



enum criteria {

	CR_MAX_NEIGHS		= 0x01,

	CR_FIRST_FOUND		= 0x10,

	CR_BIAS_HORIZONTAL	= 0x20,

	CR_BIAS_VERTICAL	= 0x40,

	CR_DIAGONAL_BALANCE	= 0x80

};



/* nearness to the beginning of the search field from 0 to 1000 */

struct nearness_factor {

	s32 x;

	s32 y;

};



/*

 * Statistics on immediately neighboring slots.  Edge is the number of

 * border segments that are also border segments of the scan field.  Busy

 * refers to the number of neighbors that are occupied.

 */

struct neighbor_stats {

	u16 edge;

	u16 busy;

};



/* structure to keep the score of a potential allocation */

struct score {

	struct nearness_factor	f;

	struct neighbor_stats	n;

	struct tcm_area		a;

	u16    neighs;		/* number of busy neighbors */

};



struct sita_pvt {

	spinlock_t lock;	/* spinlock to protect access */

	struct tcm_pt div_pt;	/* divider point splitting container */

	struct tcm_area ***map;	/* pointers to the parent area for each slot */

};



/* assign coordinates to area */

static inline

void assign(struct tcm_area *a, u16 x0, u16 y0, u16 x1, u16 y1)

{

	a->p0.x = x0;

	a->p0.y = y0;

	a->p1.x = x1;

	a->p1.y = y1;

}



#endif