/*
 * Copyright 2021 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "priv.h"

#include <subdev/gsp.h>

#include <nvif/class.h>

static const struct nvkm_engine_func
ga102_nvdec_gsp = {
	.sclass = {
		{ -1, -1, NVC7B0_VIDEO_DECODER },
		{}
	}
};

static const struct nvkm_falcon_func
ga102_nvdec_flcn = {
	.disable = gm200_flcn_disable,
	.enable = gm200_flcn_enable,
	.addr2 = 0x1c00,
	.reset_pmc = true,
	.reset_prep = ga102_flcn_reset_prep,
	.reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing,
	.imem_dma = &ga102_flcn_dma,
	.dmem_dma = &ga102_flcn_dma,
};

static const struct nvkm_nvdec_func
ga102_nvdec = {
	.flcn = &ga102_nvdec_flcn,
};

static int
ga102_nvdec_nofw(struct nvkm_nvdec *nvdec, int ver, const struct nvkm_nvdec_fwif *fwif)
{
	return 0;
}

static const struct nvkm_nvdec_fwif
ga102_nvdec_fwif[] = {
	{ -1, ga102_nvdec_nofw, &ga102_nvdec },
	{}
};

int
ga102_nvdec_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
		struct nvkm_nvdec **pnvdec)
{
	if (nvkm_gsp_rm(device->gsp))
		return r535_nvdec_new(&ga102_nvdec_gsp, device, type, inst, pnvdec);

	return nvkm_nvdec_new_(ga102_nvdec_fwif, device, type, inst, 0x848000, pnvdec);
}
