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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: igd_rb.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:
* Example Usage:
*-----------------------------------------------------------------------------
*/
#ifndef _IGD_RB_H
#define _IGD_RB_H
#include <igd_mode.h>
/*
* Flags for igd_sync()
*/
#define IGD_SYNC_BLOCK 0x00000000
#define IGD_SYNC_NONBLOCK 0x00000001
/*
* No Flush pipe will not issue an MI Flush before the store dword
* There is no guarentee that the store dword will not complete before
* an earlier command unless the caller is sure that a store dword alone
* is sufficient.
*/
#define IGD_SYNC_NOFLUSH_PIPE 0x00000010
/*
* Do not flush the render cache as part of this flush. Map Cache will
* be invalidated always.
*/
#define IGD_SYNC_NOFLUSH_CACHE 0x00000020
/* Generate a user Interrupt after the sync completes */
#define IGD_SYNC_INTERRUPT 0x00000040
/*
* Flush the pipe now but delay the cache flush until the
* sync is checked.
*/
#define IGD_SYNC_DELAY_FLUSH 0x00000080
/*
* Synchronize queue with video decode engine.
*/
#define IGD_SYNC_VIDEO 0x00000100
/*!
* dispatch->get_sync_slot() returns the offset into the status page where
* the sync values can be found for a particular display handle.
*
* This function is to be used by a priviledged IAL only and requires some
* knowledge of the underlying behavior of the sync. The intention of this
* function is to allow an IAL that already has device knowledge to
* check the status of an issued sync call without calling through the HAL.
* In some cases (such as OGL) the address space seperation would otherwise
* make sync checking through the HAL a cost prohibitive operation.
*
* @param display_handle pointer to an IGD_DISPLAY pointer returned
* from a successful call to dispatch->allocate_display().
*
* @param priority One of the IGD_PRIORITY_* defines. This must match
* the define used when issuing the sync. NORMAL priority is the
* only common use case.
*
* @return 0: Success.
* @return -IGD_ERROR_INVAL: Otherwise
*/
typedef int (*_igd_get_sync_slot_fn_t)(igd_display_h display_handle,
unsigned int priority,
unsigned int *offset);
/*----------------------------------------------------------------------------
* File Revision History
* $Id: igd_rb.h,v 1.3 2010/07/23 16:54:51 bpaauwe Exp $
* $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/include/igd_rb.h,v $
*----------------------------------------------------------------------------
*/
#endif /* _IGD_RB_H */
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