drm/linux-core/i810_drv.c

/* i810_drv.c -- I810 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
 * VA LINUX SYSTEMS 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>
 *    Gareth Hughes <gareth@valinux.com>
 */

#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "i810_drm.h"
#include "i810_drv.h"

#include "drm_pciids.h"

static int postinit(struct drm_device *dev, unsigned long flags)
{
	/* i810 has 4 more counters */
	dev->counters += 4;
	dev->types[6] = _DRM_STAT_IRQ;
	dev->types[7] = _DRM_STAT_PRIMARY;
	dev->types[8] = _DRM_STAT_SECONDARY;
	dev->types[9] = _DRM_STAT_DMA;

	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
		 DRIVER_NAME,
		 DRIVER_MAJOR,
		 DRIVER_MINOR,
		 DRIVER_PATCHLEVEL,
		 DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
	    );
	return 0;
}

static int version(drm_version_t * version)
{
	int len;

	version->version_major = DRIVER_MAJOR;
	version->version_minor = DRIVER_MINOR;
	version->version_patchlevel = DRIVER_PATCHLEVEL;
	DRM_COPY(version->name, DRIVER_NAME);
	DRM_COPY(version->date, DRIVER_DATE);
	DRM_COPY(version->desc, DRIVER_DESC);
	return 0;
}

static int dri_library_name(struct drm_device * dev, char * buf)
{
	return snprintf(buf, PAGE_SIZE, "i830\n");
}

static struct pci_device_id pciidlist[] = {
	i810_PCI_IDS
};

extern drm_ioctl_desc_t i810_ioctls[];
extern int i810_max_ioctl;

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
	.driver_features =
	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
	    DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE,
	.dev_priv_size = sizeof(drm_i810_buf_priv_t),
	.pretakedown = i810_driver_pretakedown,
	.prerelease = i810_driver_prerelease,
	.device_is_agp = i810_driver_device_is_agp,
	.release = i810_driver_release,
	.dma_quiescent = i810_driver_dma_quiescent,
	.get_map_ofs = drm_core_get_map_ofs,
	.get_reg_ofs = drm_core_get_reg_ofs,
	.dri_library_name = dri_library_name,
	.postinit = postinit,
	.version = version,
	.ioctls = i810_ioctls,
	.fops = {
		.owner = THIS_MODULE,
		.open = drm_open,
		.release = drm_release,
		.ioctl = drm_ioctl,
		.mmap = drm_mmap,
		.poll = drm_poll,
		.fasync = drm_fasync,
		},
	.pci_driver = {
		.name = DRIVER_NAME,
		.id_table = pciidlist,
		.probe = probe,
		.remove = __devexit_p(drm_cleanup_pci),
		}
};

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	return drm_get_dev(pdev, ent, &driver);
}

static int __init i810_init(void)
{
	driver.num_ioctls = i810_max_ioctl;
	return drm_init(&driver, pciidlist);
}

static void __exit i810_exit(void)
{
	drm_exit(&driver);
}

module_init(i810_init);
module_exit(i810_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");