blob: ae9839886c4d09ed78e706e4d1b7d843034bf434 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* sis.c -- sis driver -*- linux-c -*-
2 *
3 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
4 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
Dave Airlieb5e89ed2005-09-25 14:28:13 +100013 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
Dave Airlieb5e89ed2005-09-25 14:28:13 +100017 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 */
27
Paul Gortmakere0cd3602011-08-30 11:04:30 -040028#include <linux/module.h>
29
David Howells760285e2012-10-02 18:01:07 +010030#include <drm/drmP.h>
31#include <drm/sis_drm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include "sis_drv.h"
33
David Howells760285e2012-10-02 18:01:07 +010034#include <drm/drm_pciids.h>
Dave Airlieb5e89ed2005-09-25 14:28:13 +100035
Linus Torvalds1da177e2005-04-16 15:20:36 -070036static struct pci_device_id pciidlist[] = {
37 sisdrv_PCI_IDS
38};
39
Dave Airlie84b1fd12007-07-11 15:53:27 +100040static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
Thomas Hellstromce65a442006-08-07 22:03:22 +100041{
42 drm_sis_private_t *dev_priv;
Thomas Hellstromce65a442006-08-07 22:03:22 +100043
Dave Airlie466e69b2011-12-19 11:15:29 +000044 pci_set_master(dev->pdev);
45
Eric Anholt9a298b22009-03-24 12:23:04 -070046 dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
Thomas Hellstromce65a442006-08-07 22:03:22 +100047 if (dev_priv == NULL)
Eric Anholt20caafa2007-08-25 19:22:43 +100048 return -ENOMEM;
Thomas Hellstromce65a442006-08-07 22:03:22 +100049
Márton Németh648ccc72012-06-11 19:09:25 +020050 idr_init(&dev_priv->object_idr);
Thomas Hellstromce65a442006-08-07 22:03:22 +100051 dev->dev_private = (void *)dev_priv;
52 dev_priv->chipset = chipset;
Thomas Hellstromce65a442006-08-07 22:03:22 +100053
Jesper Juhl4e087a72012-01-14 21:20:37 +010054 return 0;
Thomas Hellstromce65a442006-08-07 22:03:22 +100055}
56
Dave Airlie84b1fd12007-07-11 15:53:27 +100057static int sis_driver_unload(struct drm_device *dev)
Thomas Hellstromce65a442006-08-07 22:03:22 +100058{
59 drm_sis_private_t *dev_priv = dev->dev_private;
60
Daniel Vetter6de8a742011-10-25 18:00:41 +020061 idr_destroy(&dev_priv->object_idr);
62
Eric Anholt9a298b22009-03-24 12:23:04 -070063 kfree(dev_priv);
Thomas Hellstromce65a442006-08-07 22:03:22 +100064
65 return 0;
66}
67
Arjan van de Vene08e96d2011-10-31 07:28:57 -070068static const struct file_operations sis_driver_fops = {
69 .owner = THIS_MODULE,
70 .open = drm_open,
71 .release = drm_release,
72 .unlocked_ioctl = drm_ioctl,
Daniel Vetterbfbf3c82014-09-23 15:46:49 +020073 .mmap = drm_legacy_mmap,
Arjan van de Vene08e96d2011-10-31 07:28:57 -070074 .poll = drm_poll,
Keith Packard804d74a2012-07-09 15:40:07 -070075#ifdef CONFIG_COMPAT
76 .compat_ioctl = drm_compat_ioctl,
77#endif
Arjan van de Vene08e96d2011-10-31 07:28:57 -070078 .llseek = noop_llseek,
79};
80
Daniel Vetterfdc0b8a2011-10-25 16:32:34 +020081static int sis_driver_open(struct drm_device *dev, struct drm_file *file)
82{
83 struct sis_file_private *file_priv;
84
85 DRM_DEBUG_DRIVER("\n");
86 file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
87 if (!file_priv)
88 return -ENOMEM;
89
90 file->driver_priv = file_priv;
91
92 INIT_LIST_HEAD(&file_priv->obj_list);
93
94 return 0;
95}
96
Rashika902f4a72014-01-06 22:11:59 +053097static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file)
Daniel Vetterfdc0b8a2011-10-25 16:32:34 +020098{
99 struct sis_file_private *file_priv = file->driver_priv;
100
101 kfree(file_priv);
102}
103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104static struct drm_driver driver = {
Daniel Vetter3cbf6a52016-08-03 21:11:09 +0200105 .driver_features = DRIVER_USE_AGP | DRIVER_LEGACY,
Thomas Hellstromce65a442006-08-07 22:03:22 +1000106 .load = sis_driver_load,
107 .unload = sis_driver_unload,
Daniel Vetterfdc0b8a2011-10-25 16:32:34 +0200108 .open = sis_driver_open,
Daniel Vetterea5e4372011-10-25 23:42:59 +0200109 .preclose = sis_reclaim_buffers_locked,
Daniel Vetterfdc0b8a2011-10-25 16:32:34 +0200110 .postclose = sis_driver_postclose,
David Herrmann915b4d12014-08-29 12:12:43 +0200111 .set_busid = drm_pci_set_busid,
Thomas Hellstrom7981bf72006-08-08 21:34:46 +1000112 .dma_quiescent = sis_idle,
Thomas Hellstromce65a442006-08-07 22:03:22 +1000113 .lastclose = sis_lastclose,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 .ioctls = sis_ioctls,
Arjan van de Vene08e96d2011-10-31 07:28:57 -0700115 .fops = &sis_driver_fops,
Dave Airlie22eae942005-11-10 22:16:34 +1100116 .name = DRIVER_NAME,
117 .desc = DRIVER_DESC,
118 .date = DRIVER_DATE,
119 .major = DRIVER_MAJOR,
120 .minor = DRIVER_MINOR,
121 .patchlevel = DRIVER_PATCHLEVEL,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122};
123
Dave Airlie8410ea32010-12-15 03:16:38 +1000124static struct pci_driver sis_pci_driver = {
125 .name = DRIVER_NAME,
126 .id_table = pciidlist,
127};
128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129static int __init sis_init(void)
130{
131 driver.num_ioctls = sis_max_ioctl;
Dave Airlie8410ea32010-12-15 03:16:38 +1000132 return drm_pci_init(&driver, &sis_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133}
134
135static void __exit sis_exit(void)
136{
Dave Airlie8410ea32010-12-15 03:16:38 +1000137 drm_pci_exit(&driver, &sis_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138}
139
140module_init(sis_init);
141module_exit(sis_exit);
142
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000143MODULE_AUTHOR(DRIVER_AUTHOR);
144MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145MODULE_LICENSE("GPL and additional rights");