1 /*
2 * Copyright 2016 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 "gf100.h"
25 #include "ram.h"
26
27 #include <core/memory.h>
28
29 void
gp100_fb_init_unkn(struct nvkm_fb * base)30 gp100_fb_init_unkn(struct nvkm_fb *base)
31 {
32 struct nvkm_device *device = gf100_fb(base)->base.subdev.device;
33 nvkm_wr32(device, 0x1fac80, nvkm_rd32(device, 0x100c80));
34 nvkm_wr32(device, 0x1facc4, nvkm_rd32(device, 0x100cc4));
35 nvkm_wr32(device, 0x1facc8, nvkm_rd32(device, 0x100cc8));
36 nvkm_wr32(device, 0x1faccc, nvkm_rd32(device, 0x100ccc));
37 }
38
39 void
gp100_fb_init_remapper(struct nvkm_fb * fb)40 gp100_fb_init_remapper(struct nvkm_fb *fb)
41 {
42 struct nvkm_device *device = fb->subdev.device;
43 /* Disable address remapper. */
44 nvkm_mask(device, 0x100c14, 0x00040000, 0x00000000);
45 }
46
47 void
gp100_fb_init(struct nvkm_fb * base)48 gp100_fb_init(struct nvkm_fb *base)
49 {
50 struct gf100_fb *fb = gf100_fb(base);
51 struct nvkm_device *device = fb->base.subdev.device;
52
53 if (fb->r100c10_page)
54 nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
55
56 nvkm_wr32(device, 0x100cc8, nvkm_memory_addr(fb->base.mmu_wr) >> 8);
57 nvkm_wr32(device, 0x100ccc, nvkm_memory_addr(fb->base.mmu_rd) >> 8);
58 nvkm_mask(device, 0x100cc4, 0x00060000,
59 min(nvkm_memory_size(fb->base.mmu_rd) >> 16, (u64)2) << 17);
60 }
61
62 static const struct nvkm_fb_func
63 gp100_fb = {
64 .dtor = gf100_fb_dtor,
65 .oneinit = gf100_fb_oneinit,
66 .init = gp100_fb_init,
67 .init_remapper = gp100_fb_init_remapper,
68 .init_page = gm200_fb_init_page,
69 .init_unkn = gp100_fb_init_unkn,
70 .ram_new = gp100_ram_new,
71 };
72
73 int
gp100_fb_new(struct nvkm_device * device,int index,struct nvkm_fb ** pfb)74 gp100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
75 {
76 return gf100_fb_new_(&gp100_fb, device, index, pfb);
77 }
78
