144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/* sis.c -- sis driver -*- linux-c -*-
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_file.h>
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#include <drm/drm_pciids.h>
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#include <drm/sis_drm.h>
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#include "sis_drv.h"
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static struct pci_device_id pciidlist[] = {
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sisdrv_PCI_IDS
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};
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static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
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{
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struct pci_dev *pdev = to_pci_dev(dev->dev);
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drm_sis_private_t *dev_priv;
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pci_set_master(pdev);
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dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
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if (dev_priv == NULL)
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return -ENOMEM;
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idr_init(&dev_priv->object_idr);
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dev->dev_private = (void *)dev_priv;
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dev_priv->chipset = chipset;
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return 0;
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}
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static void sis_driver_unload(struct drm_device *dev)
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{
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drm_sis_private_t *dev_priv = dev->dev_private;
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idr_destroy(&dev_priv->object_idr);
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kfree(dev_priv);
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}
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static const struct file_operations sis_driver_fops = {
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.owner = THIS_MODULE,
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.open = drm_open,
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.release = drm_release,
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.unlocked_ioctl = drm_ioctl,
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.mmap = drm_legacy_mmap,
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.poll = drm_poll,
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.compat_ioctl = drm_compat_ioctl,
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.llseek = noop_llseek,
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};
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static int sis_driver_open(struct drm_device *dev, struct drm_file *file)
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{
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struct sis_file_private *file_priv;
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DRM_DEBUG_DRIVER("\n");
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file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
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if (!file_priv)
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return -ENOMEM;
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file->driver_priv = file_priv;
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INIT_LIST_HEAD(&file_priv->obj_list);
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return 0;
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}
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static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file)
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{
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struct sis_file_private *file_priv = file->driver_priv;
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kfree(file_priv);
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}
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static struct drm_driver driver = {
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.driver_features = DRIVER_USE_AGP | DRIVER_LEGACY,
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.load = sis_driver_load,
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.unload = sis_driver_unload,
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.open = sis_driver_open,
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.preclose = sis_reclaim_buffers_locked,
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.postclose = sis_driver_postclose,
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.dma_quiescent = sis_idle,
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.lastclose = sis_lastclose,
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.ioctls = sis_ioctls,
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.fops = &sis_driver_fops,
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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};
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static struct pci_driver sis_pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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};
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static int __init sis_init(void)
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{
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driver.num_ioctls = sis_max_ioctl;
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return drm_legacy_pci_init(&driver, &sis_pci_driver);
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}
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static void __exit sis_exit(void)
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{
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drm_legacy_pci_exit(&driver, &sis_pci_driver);
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}
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module_init(sis_init);
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module_exit(sis_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL and additional rights");
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