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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: igd_appcontext.c
* $Revision: 1.6 $
*-----------------------------------------------------------------------------
* 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 file inplements the IGD interface for the context module. This
* includes functions that handle hardware context swapping and state
* variable management.
*-----------------------------------------------------------------------------
*/
#define MODULE_NAME hal.state
#include <config.h>
#include <igd_appcontext.h>
#include <igd_gmm.h>
#include <igd_mode.h>
#include <igd_errno.h>
#include <intelpci.h>
#include <context.h>
#include <mode.h>
#include <dispatch.h>
#include <io.h>
#include "appcontext_dispatch.h"
/*!
* @addtogroup state_group
* @{
*/
static dispatch_table_t appcontext_dispatch_list[] = {
#ifdef CONFIG_PLB
{PCI_DEVICE_ID_VGA_PLB, &appcontext_dispatch_plb},
#endif
#ifdef CONFIG_TNC
{PCI_DEVICE_ID_VGA_TNC, &appcontext_dispatch_plb},
#endif
{0, NULL}
};
/* Not static: cores may need it */
appcontext_dispatch_t *appcontext_dispatch = NULL;
/*!
*
* @param display_handle
* @param priority
* @param flags
*
* @return appcontext_h
*/
igd_appcontext_h igd_appcontext_alloc(
igd_display_h display_handle,
int priority,
unsigned int flags)
{
return appcontext_dispatch->appcontext_alloc(
display_handle, priority, flags);
}
/*!
*
* @param display_handle
* @param priority
* @param appcontext_handle
*
* @return void
*/
void igd_appcontext_free(
igd_display_h display_handle,
int priority,
igd_appcontext_h appcontext_handle)
{
appcontext_dispatch->appcontext_free(
display_handle, priority, appcontext_handle);
}
/*!
*
* @param context
*
* @return void
*/
void appcontext_shutdown(igd_context_t *context)
{
EMGD_DEBUG("appcontext_shutdown Entry");
if (appcontext_dispatch != NULL)
{
appcontext_dispatch->appcontext_shutdown(context);
}
}
/*!
*
* @param context
*
* @return void
*/
int appcontext_init(igd_context_t *context)
{
EMGD_DEBUG("appcontext_init Entry");
appcontext_dispatch = (appcontext_dispatch_t *)dispatch_acquire(context,
appcontext_dispatch_list);
if(!appcontext_dispatch) {
return -IGD_ERROR_NODEV;
}
/* Hook up top level dispatch table */
context->dispatch.appcontext_alloc = appcontext_dispatch->appcontext_alloc;
context->dispatch.appcontext_free = appcontext_dispatch->appcontext_free;
/* Hook up optional inter-module functions */
context->mod_dispatch.appcontext_shutdown = appcontext_shutdown;
return 0;
}
/*----------------------------------------------------------------------------
* File Revision History
* $Id: igd_appcontext.c,v 1.6 2010/07/23 16:54:50 bpaauwe Exp $
* $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/emgd/state/appcontext/cmn/igd_appcontext.c,v $
*----------------------------------------------------------------------------
*/
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