1 /*
2  * Copyright 2018 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 #include "user.h"
23 
24 static int
gv100_fifo_user_map(struct nvkm_object * object,void * argv,u32 argc,enum nvkm_object_map * type,u64 * addr,u64 * size)25 gv100_fifo_user_map(struct nvkm_object *object, void *argv, u32 argc,
26 		    enum nvkm_object_map *type, u64 *addr, u64 *size)
27 {
28 	struct nvkm_device *device = object->engine->subdev.device;
29 	*addr = 0x810000 + device->func->resource_addr(device, 0);
30 	*size = 0x010000;
31 	*type = NVKM_OBJECT_MAP_IO;
32 	return 0;
33 }
34 
35 static const struct nvkm_object_func
36 gv100_fifo_user = {
37 	.map = gv100_fifo_user_map,
38 };
39 
40 int
gv100_fifo_user_new(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)41 gv100_fifo_user_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
42 		    struct nvkm_object **pobject)
43 {
44 	return nvkm_object_new_(&gv100_fifo_user, oclass, argv, argc, pobject);
45 }
46