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Diffstat (limited to 'drivers/video/tegra/host/vi/vi.c')
-rw-r--r--drivers/video/tegra/host/vi/vi.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/vi/vi.c b/drivers/video/tegra/host/vi/vi.c
new file mode 100644
index 00000000000..71d517152ad
--- /dev/null
+++ b/drivers/video/tegra/host/vi/vi.c
@@ -0,0 +1,82 @@
1/*
2 * drivers/video/tegra/host/vi/vi.c
3 *
4 * Tegra Graphics Host VI
5 *
6 * Copyright (c) 2012, NVIDIA Corporation.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include "dev.h"
22#include "bus_client.h"
23
24static int __devinit vi_probe(struct nvhost_device *dev)
25{
26 return nvhost_client_device_init(dev);
27}
28
29static int __exit vi_remove(struct nvhost_device *dev)
30{
31 /* Add clean-up */
32 return 0;
33}
34
35static int vi_suspend(struct nvhost_device *dev, pm_message_t state)
36{
37 return nvhost_client_device_suspend(dev);
38}
39
40static int vi_resume(struct nvhost_device *dev)
41{
42 dev_info(&dev->dev, "resuming\n");
43 return 0;
44}
45
46struct nvhost_device *vi_device;
47
48static struct nvhost_driver vi_driver = {
49 .probe = vi_probe,
50 .remove = __exit_p(vi_remove),
51#ifdef CONFIG_PM
52 .suspend = vi_suspend,
53 .resume = vi_resume,
54#endif
55 .driver = {
56 .owner = THIS_MODULE,
57 .name = "vi",
58 }
59};
60
61static int __init vi_init(void)
62{
63 int err;
64
65 vi_device = nvhost_get_device("vi");
66 if (!vi_device)
67 return -ENXIO;
68
69 err = nvhost_device_register(vi_device);
70 if (err)
71 return err;
72
73 return nvhost_driver_register(&vi_driver);
74}
75
76static void __exit vi_exit(void)
77{
78 nvhost_driver_unregister(&vi_driver);
79}
80
81module_init(vi_init);
82module_exit(vi_exit);