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
30 gp102_fb_vpr_scrub(struct nvkm_fb *fb)
31 {
32 	struct nvkm_subdev *subdev = &fb->subdev;
33 	struct nvkm_falcon_fw fw = {};
34 	int ret;
35 
36 	ret = nvkm_falcon_fw_ctor_hs(&gm200_flcn_fw, "mem-unlock", subdev, NULL,
37 				     "nvdec/scrubber", 0, &subdev->device->nvdec[0]->falcon, &fw);
38 	if (ret)
39 		return ret;
40 
41 	ret = nvkm_falcon_fw_boot(&fw, subdev, true, NULL, NULL, 0, 0x00000000);
42 	nvkm_falcon_fw_dtor(&fw);
43 	return ret;
44 }
45 
46 bool
47 gp102_fb_vpr_scrub_required(struct nvkm_fb *fb)
48 {
49 	struct nvkm_device *device = fb->subdev.device;
50 	nvkm_wr32(device, 0x100cd0, 0x2);
51 	return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0;
52 }
53 
54 static const struct nvkm_fb_func
55 gp102_fb = {
56 	.dtor = gf100_fb_dtor,
57 	.oneinit = gf100_fb_oneinit,
58 	.init = gm200_fb_init,
59 	.init_remapper = gp100_fb_init_remapper,
60 	.init_page = gm200_fb_init_page,
61 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
62 	.vpr.scrub_required = gp102_fb_vpr_scrub_required,
63 	.vpr.scrub = gp102_fb_vpr_scrub,
64 	.ram_new = gp100_ram_new,
65 };
66 
67 int
68 gp102_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
69 	      enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
70 {
71 	int ret = gf100_fb_new_(func, device, type, inst, pfb);
72 	if (ret)
73 		return ret;
74 
75 	nvkm_firmware_load_blob(&(*pfb)->subdev, "nvdec/scrubber", "", 0,
76 				&(*pfb)->vpr_scrubber);
77 	return 0;
78 }
79 
80 int
81 gp102_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
82 {
83 	return gp102_fb_new_(&gp102_fb, device, type, inst, pfb);
84 }
85 
86 MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin");
87 MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin");
88 MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin");
89 MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin");
90 MODULE_FIRMWARE("nvidia/gp108/nvdec/scrubber.bin");
91