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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: drm_emgd_private.h
* $Revision: 1.15 $
*-----------------------------------------------------------------------------
* 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 contains the EMGD-specific drm_device.dev_private structure,
* which is used to share data with the EMGD-specific, IMG 3rd-Party Display
* Driver (3DD, implimented in the
* "egd_drm/pvr/services4/3rdparty/emgd_displayclass" directory).
*-----------------------------------------------------------------------------
*/
#ifndef _DRM_EMGD_PRIVATE_H_
#define _DRM_EMGD_PRIVATE_H_
#include <drm/drmP.h>
#include <drm/drm.h>
#include "context.h"
/**
* This enum is used to record the currently-saved register state (e.g. for VT
* switching)--either the Linux console's state is saved (i.e. the X server is
* active), or the X server's state is saved (i.e. the Linux console is
* active).
*/
typedef enum _drm_emgd_saved_state {
CONSOLE_STATE_SAVED = 0,
X_SERVER_STATE_SAVED = 1,
} drm_emgd_saved_state;
/**
* This structure allows the EMGD-proper code to communicate information and
* function pointers to the IMG 3rd-Party Display Driver (mrstlfb).
*/
typedef struct _drm_emgd_private {
/** Non-zero if the HAL is running */
int hal_running;
/**
* Which register state is currently saved for VT switches (X or the
* console; note: the opposite is what's actively installed in the
* hardware)
*/
drm_emgd_saved_state saved_registers;
/**
* Saved state of the console, when suspending (or hibernating) the system.
* emgd_driver_suspend() allocates this, and emgd_driver_resume() frees
* this.
*/
void *suspended_state;
/**
* A flag which emgd_driver_pre_init() sets and emgd_alter_displays()
* clears. If set (i.e. to 1), this indicates that emgd_alter_displays()
* must power on the port drivers' hardware.
*/
int must_power_on_ports;
/** Non-zero if the X server is running (i.e. PVR can't do mode changes) */
int xserver_running;
/** Non-zero if emgd_start_pvrsrv() started the PVR services, else zero. */
int pvrsrv_started;
/**
* Function to re-initialize the 3DD's data structures, after calls to
* alter_displays()
*/
int (*reinit_3dd)(struct drm_device *dev);
/** The context is set during the DRM module load function. */
igd_context_t *context;
/* The selected DC is copied to here each time alter_displays() is called
* via an ioctl.
*/
unsigned long dc;
/**
* The port number of the primary display handle is copied to here each
* time alter_displays() is called via an ioctl.
*/
unsigned short primary_port_number;
/**
* The primary display handle is copied to here each time alter_displays()
* is called via an ioctl.
*/
igd_display_h primary;
/**
* The port number of the secondary display handle is copied to here each
* time alter_displays() is called via an ioctl.
*/
unsigned short secondary_port_number;
/**
* The secondary display handle is copied to here each time alter_displays()
* is called via an ioctl.
*/
igd_display_h secondary;
/**
* Store the device information so it can be passed back to userspace
* callers via an ioctl.
*/
igd_init_info_t *init_info;
/** TODO: May use this in future.
* MSVDX
*/
void *msvdx_private;
} drm_emgd_private;
#endif
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