1 /*
2  * Copyright 2015 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs <bskeggs@redhat.com>
23  */
24 #include <core/tegra.h>
25 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
26 #include "priv.h"
27 
28 static struct nvkm_device_tegra *
29 nvkm_device_tegra(struct nvkm_device *obj)
30 {
31 	return container_of(obj, struct nvkm_device_tegra, device);
32 }
33 
34 static const struct nvkm_device_func
35 nvkm_device_tegra_func = {
36 	.tegra = nvkm_device_tegra,
37 };
38 
39 int
40 nvkm_device_tegra_new(struct platform_device *pdev,
41 		      const char *cfg, const char *dbg,
42 		      bool detect, bool mmio, u64 subdev_mask,
43 		      struct nvkm_device **pdevice)
44 {
45 	struct nvkm_device_tegra *tdev;
46 
47 	if (!(tdev = kzalloc(sizeof(*tdev), GFP_KERNEL)))
48 		return -ENOMEM;
49 	*pdevice = &tdev->device;
50 	tdev->pdev = pdev;
51 
52 	return nvkm_device_ctor(&nvkm_device_tegra_func, NULL, pdev,
53 				NVKM_BUS_PLATFORM, pdev->id, NULL,
54 				cfg, dbg, detect, mmio, subdev_mask,
55 				&tdev->device);
56 }
57 #else
58 int
59 nvkm_device_tegra_new(struct platform_device *pdev,
60 		      const char *cfg, const char *dbg,
61 		      bool detect, bool mmio, u64 subdev_mask,
62 		      struct nvkm_device **pdevice)
63 {
64 	return -ENOSYS;
65 }
66 #endif
67