/*
 * Copyright 2019 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 <core/firmware.h>
#include <core/memory.h>
#include <subdev/gsp.h>
#include <subdev/pmu.h>
#include <engine/sec2.h>

#include <nvfw/acr.h>

static int
tu102_acr_init(struct nvkm_acr *acr)
{
	int ret = nvkm_acr_hsf_boot(acr, "AHESASC");
	if (ret)
		return ret;

	return nvkm_acr_hsf_boot(acr, "ASB");
}

static int
tu102_acr_wpr_build(struct nvkm_acr *acr, struct nvkm_acr_lsf *rtos)
{
	struct nvkm_acr_lsfw *lsfw;
	u32 offset = 0;
	int ret;

	/*XXX: shared sub-WPR headers, fill terminator for now. */
	nvkm_wo32(acr->wpr, 0x200, 0xffffffff);

	/* Fill per-LSF structures. */
	list_for_each_entry(lsfw, &acr->lsfw, head) {
		struct lsf_signature_v1 *sig = (void *)lsfw->sig->data;
		struct wpr_header_v1 hdr = {
			.falcon_id = lsfw->id,
			.lsb_offset = lsfw->offset.lsb,
			.bootstrap_owner = NVKM_ACR_LSF_GSPLITE,
			.lazy_bootstrap = 1,
			.bin_version = sig->version,
			.status = WPR_HEADER_V1_STATUS_COPY,
		};

		/* Write WPR header. */
		nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr));
		offset += sizeof(hdr);

		/* Write LSB header. */
		ret = gp102_acr_wpr_build_lsb(acr, lsfw);
		if (ret)
			return ret;

		/* Write ucode image. */
		nvkm_wobj(acr->wpr, lsfw->offset.img,
				    lsfw->img.data,
				    lsfw->img.size);

		/* Write bootloader data. */
		lsfw->func->bld_write(acr, lsfw->offset.bld, lsfw);
	}

	/* Finalise WPR. */
	nvkm_wo32(acr->wpr, offset, WPR_HEADER_V1_FALCON_ID_INVALID);
	return 0;
}

static int
tu102_acr_hsfw_boot(struct nvkm_acr *acr, struct nvkm_acr_hsf *hsf)
{
	return gm200_acr_hsfw_boot(acr, hsf, 0, 0);
}

static int
tu102_acr_hsfw_nofw(struct nvkm_acr *acr, const char *bl, const char *fw,
		    const char *name, int version,
		    const struct nvkm_acr_hsf_fwif *fwif)
{
	return 0;
}

MODULE_FIRMWARE("nvidia/tu102/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/tu102/acr/ucode_unload.bin");

MODULE_FIRMWARE("nvidia/tu104/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/tu104/acr/ucode_unload.bin");

MODULE_FIRMWARE("nvidia/tu106/acr/unload_bl.bin");
MODULE_FIRMWARE("nvidia/tu106/acr/ucode_unload.bin");

static const struct nvkm_acr_hsf_fwif
tu102_acr_unload_fwif[] = {
	{  0, nvkm_acr_hsfw_load, &gp108_acr_unload_0 },
	{ -1, tu102_acr_hsfw_nofw },
	{}
};

static int
tu102_acr_asb_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw)
{
	return gm200_acr_hsfw_load(acr, hsfw, &acr->subdev.device->gsp->falcon);
}

static const struct nvkm_acr_hsf_func
tu102_acr_asb_0 = {
	.load = tu102_acr_asb_load,
	.boot = tu102_acr_hsfw_boot,
	.bld = gp108_acr_hsfw_bld,
};

MODULE_FIRMWARE("nvidia/tu102/acr/ucode_asb.bin");
MODULE_FIRMWARE("nvidia/tu104/acr/ucode_asb.bin");
MODULE_FIRMWARE("nvidia/tu106/acr/ucode_asb.bin");

static const struct nvkm_acr_hsf_fwif
tu102_acr_asb_fwif[] = {
	{  0, nvkm_acr_hsfw_load, &tu102_acr_asb_0 },
	{ -1, tu102_acr_hsfw_nofw },
	{}
};

static const struct nvkm_acr_hsf_func
tu102_acr_ahesasc_0 = {
	.load = gp102_acr_load_load,
	.boot = tu102_acr_hsfw_boot,
	.bld = gp108_acr_hsfw_bld,
};

MODULE_FIRMWARE("nvidia/tu102/acr/bl.bin");
MODULE_FIRMWARE("nvidia/tu102/acr/ucode_ahesasc.bin");

MODULE_FIRMWARE("nvidia/tu104/acr/bl.bin");
MODULE_FIRMWARE("nvidia/tu104/acr/ucode_ahesasc.bin");

MODULE_FIRMWARE("nvidia/tu106/acr/bl.bin");
MODULE_FIRMWARE("nvidia/tu106/acr/ucode_ahesasc.bin");

static const struct nvkm_acr_hsf_fwif
tu102_acr_ahesasc_fwif[] = {
	{  0, nvkm_acr_hsfw_load, &tu102_acr_ahesasc_0 },
	{ -1, tu102_acr_hsfw_nofw },
	{}
};

static const struct nvkm_acr_func
tu102_acr = {
	.ahesasc = tu102_acr_ahesasc_fwif,
	.asb = tu102_acr_asb_fwif,
	.unload = tu102_acr_unload_fwif,
	.wpr_parse = gp102_acr_wpr_parse,
	.wpr_layout = gp102_acr_wpr_layout,
	.wpr_alloc = gp102_acr_wpr_alloc,
	.wpr_patch = gp102_acr_wpr_patch,
	.wpr_build = tu102_acr_wpr_build,
	.wpr_check = gm200_acr_wpr_check,
	.init = tu102_acr_init,
};

static int
tu102_acr_load(struct nvkm_acr *acr, int version,
	       const struct nvkm_acr_fwif *fwif)
{
	struct nvkm_subdev *subdev = &acr->subdev;
	const struct nvkm_acr_hsf_fwif *hsfwif;

	hsfwif = nvkm_firmware_load(subdev, fwif->func->ahesasc, "AcrAHESASC",
				    acr, "acr/bl", "acr/ucode_ahesasc",
				    "AHESASC");
	if (IS_ERR(hsfwif))
		return PTR_ERR(hsfwif);

	hsfwif = nvkm_firmware_load(subdev, fwif->func->asb, "AcrASB",
				    acr, "acr/bl", "acr/ucode_asb", "ASB");
	if (IS_ERR(hsfwif))
		return PTR_ERR(hsfwif);

	hsfwif = nvkm_firmware_load(subdev, fwif->func->unload, "AcrUnload",
				    acr, "acr/unload_bl", "acr/ucode_unload",
				    "unload");
	if (IS_ERR(hsfwif))
		return PTR_ERR(hsfwif);

	return 0;
}

static const struct nvkm_acr_fwif
tu102_acr_fwif[] = {
	{  0, tu102_acr_load, &tu102_acr },
	{}
};

int
tu102_acr_new(struct nvkm_device *device, int index, struct nvkm_acr **pacr)
{
	return nvkm_acr_new_(tu102_acr_fwif, device, index, pacr);
}