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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: ovl_virt.h
* $Revision: 1.4 $
*-----------------------------------------------------------------------------
* Copyright © 2002-2010, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*-----------------------------------------------------------------------------
* Description:
* This is the internal header file for overlay. It should be not be
* by any other module besides the overlay module itself. It contains the
* neccessary hardware virtualized structures and functions internal to
* overlay
*-----------------------------------------------------------------------------
*/
#ifndef _OVL_VIRT_H
#define _OVL_VIRT_H
/* None of the IALs use the OVL_SUPPORT_*. Exclude it for now. */
/* None of the IALs use the OVL_RULE_MUST_*. Exclude it for now. */
/* Overlay HW range of values for color control and gamma correction*/
#define OVL_HW_DEF_BRIGHT 750L
#define OVL_HW_MIN_BRIGHT 0L
#define OVL_HW_MAX_BRIGHT 10000L
#define OVL_HW_DEF_CONT 10000L
#define OVL_HW_MIN_CONT 0L
#define OVL_HW_MAX_CONT 20000L
#define OVL_HW_DEF_SAT 10000L
#define OVL_HW_MIN_SAT 0L
#define OVL_HW_MAX_SAT 20000L
#define OVL_HW_DEF_HUE 0L
#define OVL_HW_MIN_HUE -180L
#define OVL_MHW_AX_HUE 180L
#define OVL_HW_DEF_GAMMA 1L
#define OVL_HW_MAX_GAMMA 500L
#define OVL_HW_MIN_GAMMA 1L
enum {
OVL_STATE_OFF = 0,
OVL_STATE_ON,
};
#define OVL_PRIMARY 0
#define OVL_SECONDARY 1
#define OVL_MAX_HW 2 /* Maximum number of overlays */
/* Define the maximum number of blend surfaces which can be used */
#define MAX_BLEND_SURF 2
typedef struct _ovl_context{
ovl_dispatch_t (*dispatch)[]; /* Pointer to an array */
unsigned int state;
unsigned long reg_update_offset;
unsigned long reg_update_phys;
unsigned long sync;
unsigned long sync2;
unsigned int blend_surf_num[OVL_MAX_HW];
igd_surface_t blend_surf[OVL_MAX_HW][MAX_BLEND_SURF];
unsigned int ovl_buff;
unsigned int fb_blend_ovl;
unsigned short reg_allocated;
} ovl_context_t;
extern ovl_context_t ovl_context[];
#endif /*_OVL_VIRT_H*/
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