147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/* 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 <drm/drmP.h>
|
|
#include <drm/sis_drm.h>
|
|
#include "sis_drv.h"
|
|
|
|
#include <drm/drm_pciids.h>
|
|
|
|
static struct pci_device_id pciidlist[] = {
|
|
sisdrv_PCI_IDS
|
|
};
|
|
|
|
static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
|
|
{
|
|
drm_sis_private_t *dev_priv;
|
|
|
|
pci_set_master(dev->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 int sis_driver_unload(struct drm_device *dev)
|
|
{
|
|
drm_sis_private_t *dev_priv = dev->dev_private;
|
|
|
|
idr_remove_all(&dev_priv->object_idr);
|
|
idr_destroy(&dev_priv->object_idr);
|
|
|
|
kfree(dev_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct file_operations sis_driver_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = drm_open,
|
|
.release = drm_release,
|
|
.unlocked_ioctl = drm_ioctl,
|
|
.mmap = drm_mmap,
|
|
.poll = drm_poll,
|
|
.fasync = drm_fasync,
|
|
#ifdef CONFIG_COMPAT
|
|
.compat_ioctl = drm_compat_ioctl,
|
|
#endif
|
|
.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;
|
|
}
|
|
|
|
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_USE_MTRR,
|
|
.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_pci_init(&driver, &sis_pci_driver);
|
|
}
|
|
|
|
static void __exit sis_exit(void)
|
|
{
|
|
drm_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");
|