r128_drv.c revision 1.5 
1/*	$NetBSD: r128_drv.c,v 1.5 2021/12/18 23:45:42 riastradh Exp $	*/
2
3/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
4 * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
5 *
6 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
7 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
8 * All Rights Reserved.
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice (including the next
18 * paragraph) shall be included in all copies or substantial portions of the
19 * Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 *
29 * Authors:
30 *    Rickard E. (Rik) Faith <faith@valinux.com>
31 *    Gareth Hughes <gareth@valinux.com>
32 */
33
34#include <sys/cdefs.h>
35__KERNEL_RCSID(0, "$NetBSD: r128_drv.c,v 1.5 2021/12/18 23:45:42 riastradh Exp $");
36
37#include <linux/module.h>
38#include <linux/pci.h>
39
40#include <drm/drm_drv.h>
41#include <drm/drm_file.h>
42#include <drm/drm_pciids.h>
43#include <drm/drm_vblank.h>
44#include <drm/r128_drm.h>
45
46#include "r128_drv.h"
47
48static struct pci_device_id pciidlist[] = {
49	r128_PCI_IDS
50};
51
52static const struct file_operations r128_driver_fops = {
53	.owner = THIS_MODULE,
54	.open = drm_open,
55	.release = drm_release,
56	.unlocked_ioctl = drm_ioctl,
57	.mmap = drm_legacy_mmap,
58	.poll = drm_poll,
59#ifdef CONFIG_COMPAT
60	.compat_ioctl = r128_compat_ioctl,
61#endif
62	.llseek = noop_llseek,
63};
64
65static struct drm_driver driver = {
66	.driver_features =
67	    DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_LEGACY |
68	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ,
69	.dev_priv_size = sizeof(drm_r128_buf_priv_t),
70	.load = r128_driver_load,
71	.preclose = r128_driver_preclose,
72	.lastclose = r128_driver_lastclose,
73	.get_vblank_counter = r128_get_vblank_counter,
74	.enable_vblank = r128_enable_vblank,
75	.disable_vblank = r128_disable_vblank,
76	.irq_preinstall = r128_driver_irq_preinstall,
77	.irq_postinstall = r128_driver_irq_postinstall,
78	.irq_uninstall = r128_driver_irq_uninstall,
79	.irq_handler = r128_driver_irq_handler,
80#ifdef __NetBSD__
81	.request_irq = drm_pci_request_irq,
82	.free_irq = drm_pci_free_irq,
83#endif
84	.ioctls = r128_ioctls,
85	.dma_ioctl = r128_cce_buffers,
86	.fops = &r128_driver_fops,
87	.name = DRIVER_NAME,
88	.desc = DRIVER_DESC,
89	.date = DRIVER_DATE,
90	.major = DRIVER_MAJOR,
91	.minor = DRIVER_MINOR,
92	.patchlevel = DRIVER_PATCHLEVEL,
93};
94
95int r128_driver_load(struct drm_device *dev, unsigned long flags)
96{
97	pci_set_master(dev->pdev);
98	return drm_vblank_init(dev, 1);
99}
100
101static struct pci_driver r128_pci_driver = {
102	.name = DRIVER_NAME,
103	.id_table = pciidlist,
104};
105
106static int __init r128_init(void)
107{
108	driver.num_ioctls = r128_max_ioctl;
109
110	return drm_legacy_pci_init(&driver, &r128_pci_driver);
111}
112
113static void __exit r128_exit(void)
114{
115	drm_legacy_pci_exit(&driver, &r128_pci_driver);
116}
117
118module_init(r128_init);
119module_exit(r128_exit);
120
121MODULE_AUTHOR(DRIVER_AUTHOR);
122MODULE_DESCRIPTION(DRIVER_DESC);
123MODULE_LICENSE("GPL and additional rights");
124