xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/i810/i810_drv.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* i810_drv.c -- I810 driver -*- linux-c -*-
2*4882a593Smuzhiyun  * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5*4882a593Smuzhiyun  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6*4882a593Smuzhiyun  * All Rights Reserved.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
9*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
10*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
11*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
13*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  * The above copyright notice and this permission notice (including the next
16*4882a593Smuzhiyun  * paragraph) shall be included in all copies or substantial portions of the
17*4882a593Smuzhiyun  * Software.
18*4882a593Smuzhiyun  *
19*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22*4882a593Smuzhiyun  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23*4882a593Smuzhiyun  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24*4882a593Smuzhiyun  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25*4882a593Smuzhiyun  * OTHER DEALINGS IN THE SOFTWARE.
26*4882a593Smuzhiyun  *
27*4882a593Smuzhiyun  * Authors:
28*4882a593Smuzhiyun  *    Rickard E. (Rik) Faith <faith@valinux.com>
29*4882a593Smuzhiyun  *    Jeff Hartmann <jhartmann@valinux.com>
30*4882a593Smuzhiyun  *    Gareth Hughes <gareth@valinux.com>
31*4882a593Smuzhiyun  */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #include "i810_drv.h"
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #include <linux/module.h>
36*4882a593Smuzhiyun #include <linux/pci.h>
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #include <drm/drm_drv.h>
39*4882a593Smuzhiyun #include <drm/drm_file.h>
40*4882a593Smuzhiyun #include <drm/drm_pciids.h>
41*4882a593Smuzhiyun #include <drm/i810_drm.h>
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun static struct pci_device_id pciidlist[] = {
45*4882a593Smuzhiyun 	i810_PCI_IDS
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun static const struct file_operations i810_driver_fops = {
49*4882a593Smuzhiyun 	.owner = THIS_MODULE,
50*4882a593Smuzhiyun 	.open = drm_open,
51*4882a593Smuzhiyun 	.release = drm_release,
52*4882a593Smuzhiyun 	.unlocked_ioctl = drm_ioctl,
53*4882a593Smuzhiyun 	.mmap = drm_legacy_mmap,
54*4882a593Smuzhiyun 	.poll = drm_poll,
55*4882a593Smuzhiyun 	.compat_ioctl = drm_compat_ioctl,
56*4882a593Smuzhiyun 	.llseek = noop_llseek,
57*4882a593Smuzhiyun };
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun static struct drm_driver driver = {
60*4882a593Smuzhiyun 	.driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY,
61*4882a593Smuzhiyun 	.dev_priv_size = sizeof(drm_i810_buf_priv_t),
62*4882a593Smuzhiyun 	.load = i810_driver_load,
63*4882a593Smuzhiyun 	.lastclose = i810_driver_lastclose,
64*4882a593Smuzhiyun 	.preclose = i810_driver_preclose,
65*4882a593Smuzhiyun 	.dma_quiescent = i810_driver_dma_quiescent,
66*4882a593Smuzhiyun 	.ioctls = i810_ioctls,
67*4882a593Smuzhiyun 	.fops = &i810_driver_fops,
68*4882a593Smuzhiyun 	.name = DRIVER_NAME,
69*4882a593Smuzhiyun 	.desc = DRIVER_DESC,
70*4882a593Smuzhiyun 	.date = DRIVER_DATE,
71*4882a593Smuzhiyun 	.major = DRIVER_MAJOR,
72*4882a593Smuzhiyun 	.minor = DRIVER_MINOR,
73*4882a593Smuzhiyun 	.patchlevel = DRIVER_PATCHLEVEL,
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun 
76*4882a593Smuzhiyun static struct pci_driver i810_pci_driver = {
77*4882a593Smuzhiyun 	.name = DRIVER_NAME,
78*4882a593Smuzhiyun 	.id_table = pciidlist,
79*4882a593Smuzhiyun };
80*4882a593Smuzhiyun 
i810_init(void)81*4882a593Smuzhiyun static int __init i810_init(void)
82*4882a593Smuzhiyun {
83*4882a593Smuzhiyun 	if (num_possible_cpus() > 1) {
84*4882a593Smuzhiyun 		pr_err("drm/i810 does not support SMP\n");
85*4882a593Smuzhiyun 		return -EINVAL;
86*4882a593Smuzhiyun 	}
87*4882a593Smuzhiyun 	driver.num_ioctls = i810_max_ioctl;
88*4882a593Smuzhiyun 	return drm_legacy_pci_init(&driver, &i810_pci_driver);
89*4882a593Smuzhiyun }
90*4882a593Smuzhiyun 
i810_exit(void)91*4882a593Smuzhiyun static void __exit i810_exit(void)
92*4882a593Smuzhiyun {
93*4882a593Smuzhiyun 	drm_legacy_pci_exit(&driver, &i810_pci_driver);
94*4882a593Smuzhiyun }
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun module_init(i810_init);
97*4882a593Smuzhiyun module_exit(i810_exit);
98*4882a593Smuzhiyun 
99*4882a593Smuzhiyun MODULE_AUTHOR(DRIVER_AUTHOR);
100*4882a593Smuzhiyun MODULE_DESCRIPTION(DRIVER_DESC);
101*4882a593Smuzhiyun MODULE_LICENSE("GPL and additional rights");
102