1 /*
2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <linux/module.h>
26
27 #include <drm/drmP.h>
28 #include <drm/via_drm.h>
29 #include "via_drv.h"
30
31 #include <drm/drm_pciids.h>
32
via_driver_open(struct drm_device * dev,struct drm_file * file)33 static int via_driver_open(struct drm_device *dev, struct drm_file *file)
34 {
35 struct via_file_private *file_priv;
36
37 DRM_DEBUG_DRIVER("\n");
38 file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
39 if (!file_priv)
40 return -ENOMEM;
41
42 file->driver_priv = file_priv;
43
44 INIT_LIST_HEAD(&file_priv->obj_list);
45
46 return 0;
47 }
48
via_driver_postclose(struct drm_device * dev,struct drm_file * file)49 static void via_driver_postclose(struct drm_device *dev, struct drm_file *file)
50 {
51 struct via_file_private *file_priv = file->driver_priv;
52
53 kfree(file_priv);
54 }
55
56 static struct pci_device_id pciidlist[] = {
57 viadrv_PCI_IDS
58 };
59
60 static const struct file_operations via_driver_fops = {
61 .owner = THIS_MODULE,
62 .open = drm_open,
63 .release = drm_release,
64 .unlocked_ioctl = drm_ioctl,
65 .mmap = drm_legacy_mmap,
66 .poll = drm_poll,
67 .compat_ioctl = drm_compat_ioctl,
68 .llseek = noop_llseek,
69 };
70
71 static struct drm_driver driver = {
72 .driver_features =
73 DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_LEGACY |
74 DRIVER_IRQ_SHARED,
75 .load = via_driver_load,
76 .unload = via_driver_unload,
77 .open = via_driver_open,
78 .preclose = via_reclaim_buffers_locked,
79 .postclose = via_driver_postclose,
80 .context_dtor = via_final_context,
81 .get_vblank_counter = via_get_vblank_counter,
82 .enable_vblank = via_enable_vblank,
83 .disable_vblank = via_disable_vblank,
84 .irq_preinstall = via_driver_irq_preinstall,
85 .irq_postinstall = via_driver_irq_postinstall,
86 .irq_uninstall = via_driver_irq_uninstall,
87 .irq_handler = via_driver_irq_handler,
88 .dma_quiescent = via_driver_dma_quiescent,
89 .lastclose = via_lastclose,
90 .ioctls = via_ioctls,
91 .fops = &via_driver_fops,
92 .name = DRIVER_NAME,
93 .desc = DRIVER_DESC,
94 .date = DRIVER_DATE,
95 .major = DRIVER_MAJOR,
96 .minor = DRIVER_MINOR,
97 .patchlevel = DRIVER_PATCHLEVEL,
98 };
99
100 static struct pci_driver via_pci_driver = {
101 .name = DRIVER_NAME,
102 .id_table = pciidlist,
103 };
104
via_init(void)105 static int __init via_init(void)
106 {
107 driver.num_ioctls = via_max_ioctl;
108 via_init_command_verifier();
109 return drm_legacy_pci_init(&driver, &via_pci_driver);
110 }
111
via_exit(void)112 static void __exit via_exit(void)
113 {
114 drm_legacy_pci_exit(&driver, &via_pci_driver);
115 }
116
117 module_init(via_init);
118 module_exit(via_exit);
119
120 MODULE_AUTHOR(DRIVER_AUTHOR);
121 MODULE_DESCRIPTION(DRIVER_DESC);
122 MODULE_LICENSE("GPL and additional rights");
123
