ga102.c

 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
26static const struct nvkm_falcon_func
27ga102_nvdec_flcn = {
28	.disable = gm200_flcn_disable,
29	.enable = gm200_flcn_enable,
30	.addr2 = 0x1c00,
31	.reset_pmc = true,
32	.reset_prep = ga102_flcn_reset_prep,
33	.reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
34	.imem_dma = &ga102_flcn_dma,
35	.dmem_dma = &ga102_flcn_dma,
36};
37
38static const struct nvkm_nvdec_func
39ga102_nvdec = {
40	.flcn = &ga102_nvdec_flcn,
41};
42
43static int
44ga102_nvdec_nofw(struct nvkm_nvdec *nvdec, int ver, const struct nvkm_nvdec_fwif *fwif)
45{
46	return 0;
47}
48
49static const struct nvkm_nvdec_fwif
50ga102_nvdec_fwif[] = {
51	{ -1, ga102_nvdec_nofw, &ga102_nvdec },
52	{}
53};
54
55int
56ga102_nvdec_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
57		struct nvkm_nvdec **pnvdec)
58{
59	if (nvkm_gsp_rm(device->gsp))
60		return -ENODEV;
61
62	return nvkm_nvdec_new_(ga102_nvdec_fwif, device, type, inst, 0x848000, pnvdec);
63}