/*
 * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#include <nvgpu/fuse.h>

#include <nvgpu/linux/soc_fuse.h>

#include <soc/tegra/fuse.h>

int nvgpu_tegra_get_gpu_speedo_id(struct gk20a *g, int *id)
{
	*id = tegra_sku_info.gpu_speedo_id;

	return 0;
}

int nvgpu_tegra_fuse_read_reserved_calib(struct gk20a *g, u32 *val)
{
	return tegra_fuse_readl(FUSE_RESERVED_CALIB0_0, val);
}

int nvgpu_tegra_fuse_read_gcplex_config_fuse(struct gk20a *g, u32 *val)
{
	return tegra_fuse_readl(FUSE_GCPLEX_CONFIG_FUSE_0, val);
}

int nvgpu_tegra_fuse_read_per_device_identifier(struct gk20a *g, u64 *pdi)
{
	u32 lo = 0U;
	u32 hi = 0U;
	int err;

	err = tegra_fuse_readl(FUSE_PDI0, &lo);
	if (err)
		return err;

	err = tegra_fuse_readl(FUSE_PDI1, &hi);
	if (err)
		return err;

	*pdi = ((u64)lo) | (((u64)hi) << 32);

	return 0;
}

#ifdef CONFIG_NVGPU_TEGRA_FUSE

/*
 * Use tegra_fuse_control_read/write() APIs for fuse offsets upto 0x100
 * Use tegra_fuse_readl/writel() APIs for fuse offsets above 0x100
 */
void nvgpu_tegra_fuse_write_bypass(struct gk20a *g, u32 val)
{
	tegra_fuse_control_write(val, FUSE_FUSEBYPASS_0);
}

void nvgpu_tegra_fuse_write_access_sw(struct gk20a *g, u32 val)
{
	tegra_fuse_control_write(val, FUSE_WRITE_ACCESS_SW_0);
}

void nvgpu_tegra_fuse_write_opt_gpu_tpc0_disable(struct gk20a *g, u32 val)
{
	tegra_fuse_writel(val, FUSE_OPT_GPU_TPC0_DISABLE_0);
}

void nvgpu_tegra_fuse_write_opt_gpu_tpc1_disable(struct gk20a *g, u32 val)
{
	tegra_fuse_writel(val, FUSE_OPT_GPU_TPC1_DISABLE_0);
}

#endif /* CONFIG_NVGPU_TEGRA_FUSE */
