drm/via: clean up reclaim_buffers
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / via / via_drv.c
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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
e0cd3608
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25#include <linux/module.h>
26
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27#include "drmP.h"
28#include "via_drm.h"
29#include "via_drv.h"
30
31#include "drm_pciids.h"
32
c828e204
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33static 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
49void 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
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56static struct pci_device_id pciidlist[] = {
57 viadrv_PCI_IDS
58};
59
e08e96de
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60static 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_mmap,
66 .poll = drm_poll,
67 .fasync = drm_fasync,
68 .llseek = noop_llseek,
69};
70
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71static struct drm_driver driver = {
72 .driver_features =
73 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
0a3e67a4 74 DRIVER_IRQ_SHARED,
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75 .load = via_driver_load,
76 .unload = via_driver_unload,
c828e204 77 .open = via_driver_open,
834859c3 78 .preclose = via_reclaim_buffers_locked,
c828e204 79 .postclose = via_driver_postclose,
22f579c6 80 .context_dtor = via_final_context,
0a3e67a4
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81 .get_vblank_counter = via_get_vblank_counter,
82 .enable_vblank = via_enable_vblank,
83 .disable_vblank = via_disable_vblank,
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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,
ce65a44d 89 .lastclose = via_lastclose,
92514243 90 .ioctls = via_ioctls,
e08e96de 91 .fops = &via_driver_fops,
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92 .name = DRIVER_NAME,
93 .desc = DRIVER_DESC,
94 .date = DRIVER_DATE,
95 .major = DRIVER_MAJOR,
96 .minor = DRIVER_MINOR,
97 .patchlevel = DRIVER_PATCHLEVEL,
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98};
99
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100static struct pci_driver via_pci_driver = {
101 .name = DRIVER_NAME,
102 .id_table = pciidlist,
103};
104
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105static int __init via_init(void)
106{
92514243 107 driver.num_ioctls = via_max_ioctl;
22f579c6 108 via_init_command_verifier();
8410ea3b 109 return drm_pci_init(&driver, &via_pci_driver);
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110}
111
112static void __exit via_exit(void)
113{
8410ea3b 114 drm_pci_exit(&driver, &via_pci_driver);
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115}
116
117module_init(via_init);
118module_exit(via_exit);
119
120MODULE_AUTHOR(DRIVER_AUTHOR);
121MODULE_DESCRIPTION(DRIVER_DESC);
122MODULE_LICENSE("GPL and additional rights");