tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* 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:
13 *
14 * 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.
17 *
18 * 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
28#include <linux/module.h>
29
30#include "drmP.h"
31#include "sis_drm.h"
32#include "sis_drv.h"
33
34#include "drm_pciids.h"
35
36static struct pci_device_id pciidlist[] = {
37 sisdrv_PCI_IDS
38};
39
40static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
41{
42 drm_sis_private_t *dev_priv;
43 int ret;
44
45 dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
46 if (dev_priv == NULL)
47 return -ENOMEM;
48
49 dev->dev_private = (void *)dev_priv;
50 dev_priv->chipset = chipset;
51 ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
52 if (ret)
53 kfree(dev_priv);
54
55 return ret;
56}
57
58static int sis_driver_unload(struct drm_device *dev)
59{
60 drm_sis_private_t *dev_priv = dev->dev_private;
61
62 drm_sman_takedown(&dev_priv->sman);
63 kfree(dev_priv);
64
65 return 0;
66}
67
68static struct drm_driver driver = {
69 .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
70 .load = sis_driver_load,
71 .unload = sis_driver_unload,
72 .dma_quiescent = sis_idle,
73 .reclaim_buffers = NULL,
74 .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
75 .lastclose = sis_lastclose,
76 .ioctls = sis_ioctls,
77 .fops = {
78 .owner = THIS_MODULE,
79 .open = drm_open,
80 .release = drm_release,
81 .unlocked_ioctl = drm_ioctl,
82 .mmap = drm_mmap,
83 .poll = drm_poll,
84 .fasync = drm_fasync,
85 .llseek = noop_llseek,
86 },
87
88 .name = DRIVER_NAME,
89 .desc = DRIVER_DESC,
90 .date = DRIVER_DATE,
91 .major = DRIVER_MAJOR,
92 .minor = DRIVER_MINOR,
93 .patchlevel = DRIVER_PATCHLEVEL,
94};
95
96static struct pci_driver sis_pci_driver = {
97 .name = DRIVER_NAME,
98 .id_table = pciidlist,
99};
100
101static int __init sis_init(void)
102{
103 driver.num_ioctls = sis_max_ioctl;
104 return drm_pci_init(&driver, &sis_pci_driver);
105}
106
107static void __exit sis_exit(void)
108{
109 drm_pci_exit(&driver, &sis_pci_driver);
110}
111
112module_init(sis_init);
113module_exit(sis_exit);
114
115MODULE_AUTHOR(DRIVER_AUTHOR);
116MODULE_DESCRIPTION(DRIVER_DESC);
117MODULE_LICENSE("GPL and additional rights");