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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: igd_gart.h
* $Revision: 1.3 $
*-----------------------------------------------------------------------------
* 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:
*
*-----------------------------------------------------------------------------
*/
#ifndef _IGD_GART_H_
#define _IGD_GATR_H_
typedef struct _gtt_info {
void* virt_mmadr;
void* virt_gttadr;
void* virt_gttadr_upper;
unsigned long new_gtt;
unsigned long gtt_phyadr;
unsigned long is_virt_aperture;
unsigned long reset_gtt_entries;
unsigned long fb_phys_addr;
unsigned long scratch_phys;
unsigned long num_gtt_entries;
unsigned long gtt_entry_start;
unsigned long gtt_entry_end;
unsigned long num_contig_allocs;
unsigned char **cont_pages_virts;
/* FIXME!!! - this cant handle 64-bit Architecture*/
unsigned long *cont_pages_phys;
unsigned long *cont_pages_sizes;
#ifdef D3D_DPM_ALLOC
void* virt_gttadr_dpm;
#endif
}gtt_info_t;
/*
* Note: Platforms extend this data structure so the pointer can be used
* as either this DI dispatch or cast to the DD dipatch.
*/
typedef struct _init_gart_dispatch {
int (*get_gtt_ctl)(void* gtt_info);
int (*init_gtt_table)(void* gtt_info);
int (*flush_gtt_tlb)(void* gtt_info);
int (*shutdown_gtt)(void* gtt_info);
} init_gart_dispatch_t;
void* igd_get_gtt_dispatch(unsigned long dev_id);
int igd_get_gtt_ctl(void* gtt_info, unsigned long dev_id);
int igd_init_gtt(void* gtt_info, unsigned long dev_id);
int igd_flush_gtt(void* gtt_info, unsigned long dev_id);
int igd_shutdown_gtt(void* gtt_info, unsigned long dev_id);
#endif
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