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/* sis.c -- sis driver -*- linux-c -*-
*
* 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.
*
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_pciids.h>
#include <drm/sis_drm.h>
#include "sis_drv.h"
static struct pci_device_id pciidlist[] = {
sisdrv_PCI_IDS
};
static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
{
struct pci_dev *pdev = to_pci_dev(dev->dev);
drm_sis_private_t *dev_priv;
pci_set_master(pdev);
dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
if (dev_priv == NULL)
return -ENOMEM;
idr_init(&dev_priv->object_idr);
dev->dev_private = (void *)dev_priv;
dev_priv->chipset = chipset;
return 0;
}
static void sis_driver_unload(struct drm_device *dev)
{
drm_sis_private_t *dev_priv = dev->dev_private;
idr_destroy(&dev_priv->object_idr);
kfree(dev_priv);
}
static const struct file_operations sis_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = drm_legacy_mmap,
.poll = drm_poll,
.compat_ioctl = drm_compat_ioctl,
.llseek = noop_llseek,
};
static int sis_driver_open(struct drm_device *dev, struct drm_file *file)
{
struct sis_file_private *file_priv;
DRM_DEBUG_DRIVER("\n");
file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
if (!file_priv)
return -ENOMEM;
file->driver_priv = file_priv;
INIT_LIST_HEAD(&file_priv->obj_list);
return 0;
}
static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file)
{
struct sis_file_private *file_priv = file->driver_priv;
kfree(file_priv);
}
static struct drm_driver driver = {
.driver_features = DRIVER_USE_AGP | DRIVER_LEGACY,
.load = sis_driver_load,
.unload = sis_driver_unload,
.open = sis_driver_open,
.preclose = sis_reclaim_buffers_locked,
.postclose = sis_driver_postclose,
.dma_quiescent = sis_idle,
.lastclose = sis_lastclose,
.ioctls = sis_ioctls,
.fops = &sis_driver_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
static struct pci_driver sis_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
};
static int __init sis_init(void)
{
driver.num_ioctls = sis_max_ioctl;
return drm_legacy_pci_init(&driver, &sis_pci_driver);
}
static void __exit sis_exit(void)
{
drm_legacy_pci_exit(&driver, &sis_pci_driver);
}
module_init(sis_init);
module_exit(sis_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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