xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c (revision e7996a9a77fc669387da43ff4823b91cc4872bd0)
1 /*
2  * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 #include "gf100.h"
23 
24 static const struct nvkm_bar_func
25 gk20a_bar_func = {
26 	.dtor = gf100_bar_dtor,
27 	.oneinit = gf100_bar_oneinit,
28 	.bar1.init = gf100_bar_bar1_init,
29 	.bar1.wait = gf100_bar_bar1_wait,
30 	.bar1.vmm = gf100_bar_bar1_vmm,
31 	.flush = g84_bar_flush,
32 };
33 
34 int
35 gk20a_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
36 {
37 	int ret = gf100_bar_new_(&gk20a_bar_func, device, index, pbar);
38 	if (ret == 0)
39 		(*pbar)->iomap_uncached = true;
40 	return ret;
41 }
42