xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gm200.c (revision 6e7fd890f1d6ac83805409e9c346240de2705584)
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 "priv.h"
25 
26 #include <subdev/gsp.h>
27 
28 static const struct nvkm_subdev_func
29 gm200_privring = {
30 	.intr = gk104_privring_intr,
31 };
32 
33 int
34 gm200_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
35 		   struct nvkm_subdev **pprivring)
36 {
37 	if (nvkm_gsp_rm(device->gsp))
38 		return -ENODEV;
39 
40 	return nvkm_subdev_new_(&gm200_privring, device, type, inst, pprivring);
41 }
42