linux-core/mga_drv.c


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/* mga_drv.c -- Matrox g200/g400 driver -*- linux-c -*-
 * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
 *	    Jeff Hartmann <jhartmann@valinux.com>
 *
 *
 */

#include <linux/config.h>
#include "drmP.h"
#include "mga_drv.h"

#define MGA_NAME	 "mga"
#define MGA_DESC	 "Matrox G200/G400"
#define MGA_DATE	 "20000928"
#define MGA_MAJOR	 2
#define MGA_MINOR	 0
#define MGA_PATCHLEVEL	 1

static drm_device_t	      mga_device;
drm_ctx_t		      mga_res_ctx;

static struct file_operations mga_fops = {
#if LINUX_VERSION_CODE >= 0x020400
				/* This started being used during 2.4.0-test */
	owner:   THIS_MODULE,
#endif
	open:	 mga_open,
	flush:	 drm_flush,
	release: mga_release,
	ioctl:	 mga_ioctl,
	mmap:	 drm_mmap,
	read:	 drm_read,
	fasync:	 drm_fasync,
   	poll:	 drm_poll,
};

static struct miscdevice      mga_misc = {
	minor: MISC_DYNAMIC_MINOR,
	name:  MGA_NAME,
	fops:  &mga_fops,
};

static drm_ioctl_desc_t	      mga_ioctls[] = {
	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]     = { mga_version,	  0, 0 },