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 <engine/nvdec.h>
28
29 int
gp102_fb_vpr_scrub(struct nvkm_fb * fb)30 gp102_fb_vpr_scrub(struct nvkm_fb *fb)
31 {
32 return nvkm_falcon_fw_boot(&fb->vpr_scrubber, &fb->subdev, true, NULL, NULL, 0, 0x00000000);
33 }
34
35 bool
gp102_fb_vpr_scrub_required(struct nvkm_fb * fb)36 gp102_fb_vpr_scrub_required(struct nvkm_fb *fb)
37 {
38 struct nvkm_device *device = fb->subdev.device;
39 nvkm_wr32(device, 0x100cd0, 0x2);
40 return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0;
41 }
42
43 u64
gp102_fb_vidmem_size(struct nvkm_fb * fb)44 gp102_fb_vidmem_size(struct nvkm_fb *fb)
45 {
46 const u32 data = nvkm_rd32(fb->subdev.device, 0x100ce0);
47 const u32 lmag = (data & 0x000003f0) >> 4;
48 const u32 lsca = (data & 0x0000000f);
49 const u64 size = (u64)lmag << (lsca + 20);
50
51 if (data & 0x40000000)
52 return size / 16 * 15;
53
54 return size;
55 }
56
57 int
gp102_fb_oneinit(struct nvkm_fb * fb)58 gp102_fb_oneinit(struct nvkm_fb *fb)
59 {
60 struct nvkm_subdev *subdev = &fb->subdev;
61
62 nvkm_falcon_fw_ctor_hs(&gm200_flcn_fw, "mem-unlock", subdev, NULL, "nvdec/scrubber",
63 0, &subdev->device->nvdec[0]->falcon, &fb->vpr_scrubber);
64
65 return gf100_fb_oneinit(fb);
66 }
67
68 static const struct nvkm_fb_func
69 gp102_fb = {
70 .dtor = gf100_fb_dtor,
71 .oneinit = gp102_fb_oneinit,
72 .init = gm200_fb_init,
73 .init_remapper = gp100_fb_init_remapper,
74 .init_page = gm200_fb_init_page,
75 .sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
76 .vidmem.size = gp102_fb_vidmem_size,
77 .vpr.scrub_required = gp102_fb_vpr_scrub_required,
78 .vpr.scrub = gp102_fb_vpr_scrub,
79 .ram_new = gp102_ram_new,
80 };
81
82 int
gp102_fb_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)83 gp102_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
84 {
85 return gf100_fb_new_(&gp102_fb, device, type, inst, pfb);
86 }
87
88 MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin");
89 MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin");
90 MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin");
91 MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin");
92 MODULE_FIRMWARE("nvidia/gp108/nvdec/scrubber.bin");
93