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 "priv.h"
23
24 #include <core/memory.h>
25
26 static void
gk20a_fb_init(struct nvkm_fb * fb)27 gk20a_fb_init(struct nvkm_fb *fb)
28 {
29 struct nvkm_device *device = fb->subdev.device;
30 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->mmu_wr) >> 8);
31 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->mmu_rd) >> 8);
32 }
33
34 static const struct nvkm_fb_func
35 gk20a_fb = {
36 .oneinit = gf100_fb_oneinit,
37 .init = gk20a_fb_init,
38 .init_page = gf100_fb_init_page,
39 .memtype_valid = gf100_fb_memtype_valid,
40 };
41
42 int
gk20a_fb_new(struct nvkm_device * device,int index,struct nvkm_fb ** pfb)43 gk20a_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
44 {
45 return nvkm_fb_new_(&gk20a_fb, device, index, pfb);
46 }
47