1 /*
2 * Copyright 2021 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 #include "priv.h"
23
24 #include <subdev/gsp.h>
25
26 #include <nvif/class.h>
27
28 static const struct nvkm_engine_func
29 ga102_nvdec_gsp = {
30 .sclass = {
31 { -1, -1, NVC7B0_VIDEO_DECODER },
32 {}
33 }
34 };
35
36 static const struct nvkm_falcon_func
37 ga102_nvdec_flcn = {
38 .disable = gm200_flcn_disable,
39 .enable = gm200_flcn_enable,
40 .addr2 = 0x1c00,
41 .reset_pmc = true,
42 .reset_prep = ga102_flcn_reset_prep,
43 .reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
44 .imem_dma = &ga102_flcn_dma,
45 .dmem_dma = &ga102_flcn_dma,
46 };
47
48 static const struct nvkm_nvdec_func
49 ga102_nvdec = {
50 .flcn = &ga102_nvdec_flcn,
51 };
52
53 static int
ga102_nvdec_nofw(struct nvkm_nvdec * nvdec,int ver,const struct nvkm_nvdec_fwif * fwif)54 ga102_nvdec_nofw(struct nvkm_nvdec *nvdec, int ver, const struct nvkm_nvdec_fwif *fwif)
55 {
56 return 0;
57 }
58
59 static const struct nvkm_nvdec_fwif
60 ga102_nvdec_fwif[] = {
61 { -1, ga102_nvdec_nofw, &ga102_nvdec },
62 {}
63 };
64
65 int
ga102_nvdec_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_nvdec ** pnvdec)66 ga102_nvdec_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
67 struct nvkm_nvdec **pnvdec)
68 {
69 if (nvkm_gsp_rm(device->gsp))
70 return r535_nvdec_new(&ga102_nvdec_gsp, device, type, inst, pnvdec);
71
72 return nvkm_nvdec_new_(ga102_nvdec_fwif, device, type, inst, 0x848000, pnvdec);
73 }
74