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 #include <linux/pci.h>
27
28 #include <drm/drm_drv.h>
29 #include <drm/drm_file.h>
30 #include <drm/drm_pciids.h>
31 #include <drm/via_drm.h>
32
33 #include "via_drv.h"
34
35
via_driver_open(struct drm_device * dev,struct drm_file * file)36 static int via_driver_open(struct drm_device *dev, struct drm_file *file)
37 {
38 struct via_file_private *file_priv;
39
40 DRM_DEBUG_DRIVER("\n");
41 file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
42 if (!file_priv)
43 return -ENOMEM;
44
45 file->driver_priv = file_priv;
46
47 INIT_LIST_HEAD(&file_priv->obj_list);
48
49 return 0;
50 }
51
via_driver_postclose(struct drm_device * dev,struct drm_file * file)52 static void via_driver_postclose(struct drm_device *dev, struct drm_file *file)
53 {
54 struct via_file_private *file_priv = file->driver_priv;
55
56 kfree(file_priv);
57 }
58
59 static struct pci_device_id pciidlist[] = {
60 viadrv_PCI_IDS
61 };
62
63 static const struct file_operations via_driver_fops = {
64 .owner = THIS_MODULE,
65 .open = drm_open,
66 .release = drm_release,
67 .unlocked_ioctl = drm_ioctl,
68 .mmap = drm_legacy_mmap,
69 .poll = drm_poll,
70 .compat_ioctl = drm_compat_ioctl,
71 .llseek = noop_llseek,
72 };
73
74 static struct drm_driver driver = {
75 .driver_features =
76 DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_LEGACY,
77 .load = via_driver_load,
78 .unload = via_driver_unload,
79 .open = via_driver_open,
80 .preclose = via_reclaim_buffers_locked,
81 .postclose = via_driver_postclose,
82 .context_dtor = via_final_context,
83 .get_vblank_counter = via_get_vblank_counter,
84 .enable_vblank = via_enable_vblank,
85 .disable_vblank = via_disable_vblank,
86 .irq_preinstall = via_driver_irq_preinstall,
87 .irq_postinstall = via_driver_irq_postinstall,
88 .irq_uninstall = via_driver_irq_uninstall,
89 .irq_handler = via_driver_irq_handler,
90 .dma_quiescent = via_driver_dma_quiescent,
91 .lastclose = via_lastclose,
92 .ioctls = via_ioctls,
93 .fops = &via_driver_fops,
94 .name = DRIVER_NAME,
95 .desc = DRIVER_DESC,
96 .date = DRIVER_DATE,
97 .major = DRIVER_MAJOR,
98 .minor = DRIVER_MINOR,
99 .patchlevel = DRIVER_PATCHLEVEL,
100 };
101
102 static struct pci_driver via_pci_driver = {
103 .name = DRIVER_NAME,
104 .id_table = pciidlist,
105 };
106
via_init(void)107 static int __init via_init(void)
108 {
109 driver.num_ioctls = via_max_ioctl;
110 via_init_command_verifier();
111 return drm_legacy_pci_init(&driver, &via_pci_driver);
112 }
113
via_exit(void)114 static void __exit via_exit(void)
115 {
116 drm_legacy_pci_exit(&driver, &via_pci_driver);
117 }
118
119 module_init(via_init);
120 module_exit(via_exit);
121
122 MODULE_AUTHOR(DRIVER_AUTHOR);
123 MODULE_DESCRIPTION(DRIVER_DESC);
124 MODULE_LICENSE("GPL and additional rights");
125