drivers/thermal/tegra/tegra114-soctherm.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2014-2018, NVIDIA CORPORATION.  All rights reserved.
 * Copyright (c) 2024, Svyatoslav Ryhel <clamor95@gmail.com>
 */

#include <linux/module.h>
#include <linux/platform_device.h>

#include <dt-bindings/thermal/tegra114-soctherm.h>

#include "soctherm.h"

#define TEGRA114_THERMTRIP_ANY_EN_MASK		(0x1 << 28)
#define TEGRA114_THERMTRIP_MEM_EN_MASK		(0x1 << 27)
#define TEGRA114_THERMTRIP_GPU_EN_MASK		(0x1 << 26)
#define TEGRA114_THERMTRIP_CPU_EN_MASK		(0x1 << 25)
#define TEGRA114_THERMTRIP_TSENSE_EN_MASK	(0x1 << 24)
#define TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK	(0xff << 16)
#define TEGRA114_THERMTRIP_CPU_THRESH_MASK	(0xff << 8)
#define TEGRA114_THERMTRIP_TSENSE_THRESH_MASK	0xff

#define TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK	(0xff << 17)
#define TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK	(0xff << 9)

#define TEGRA114_THRESH_GRAIN			1000
#define TEGRA114_BPTT				8

static const struct tegra_tsensor_configuration tegra114_tsensor_config = {
	.tall = 16300,
	.tiddq_en = 1,
	.ten_count = 1,
	.tsample = 163,
	.tsample_ate = 655,
};

static const struct tegra_tsensor_group tegra114_tsensor_group_cpu = {
	.id = TEGRA114_SOCTHERM_SENSOR_CPU,
	.name = "cpu",
	.sensor_temp_offset = SENSOR_TEMP1,
	.sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK,
	.pdiv = 10,
	.pdiv_ate = 10,
	.pdiv_mask = SENSOR_PDIV_CPU_MASK,
	.pllx_hotspot_diff = 6,
	.pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK,
	.thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK,
	.thermtrip_enable_mask = TEGRA114_THERMTRIP_CPU_EN_MASK,
	.thermtrip_threshold_mask = TEGRA114_THERMTRIP_CPU_THRESH_MASK,
	.thermctl_isr_mask = THERM_IRQ_CPU_MASK,
	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU,
	.thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK,
	.thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra114_tsensor_group_gpu = {
	.id = TEGRA114_SOCTHERM_SENSOR_GPU,
	.name = "gpu",
	.sensor_temp_offset = SENSOR_TEMP1,
	.sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK,
	.pdiv = 10,
	.pdiv_ate = 10,
	.pdiv_mask = SENSOR_PDIV_GPU_MASK,
	.pllx_hotspot_diff = 6,
	.pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK,
	.thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK,
	.thermtrip_enable_mask = TEGRA114_THERMTRIP_GPU_EN_MASK,
	.thermtrip_threshold_mask = TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK,
	.thermctl_isr_mask = THERM_IRQ_GPU_MASK,
	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU,
	.thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK,
	.thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra114_tsensor_group_pll = {
	.id = TEGRA114_SOCTHERM_SENSOR_PLLX,
	.name = "pll",
	.sensor_temp_offset = SENSOR_TEMP2,
	.sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK,
	.pdiv = 10,
	.pdiv_ate = 10,
	.pdiv_mask = SENSOR_PDIV_PLLX_MASK,
	.thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK,
	.thermtrip_enable_mask = TEGRA114_THERMTRIP_TSENSE_EN_MASK,
	.thermtrip_threshold_mask = TEGRA114_THERMTRIP_TSENSE_THRESH_MASK,
	.thermctl_isr_mask = THERM_IRQ_TSENSE_MASK,
	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE,
	.thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK,
	.thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra114_tsensor_group_mem = {
	.id = TEGRA114_SOCTHERM_SENSOR_MEM,
	.name = "mem",
	.sensor_temp_offset = SENSOR_TEMP2,
	.sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK,
	.pdiv = 10,
	.pdiv_ate = 10,
	.pdiv_mask = SENSOR_PDIV_MEM_MASK,
	.pllx_hotspot_diff = 0,
	.pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK,
	.thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK,
	.thermtrip_enable_mask = TEGRA114_THERMTRIP_MEM_EN_MASK,
	.thermtrip_threshold_mask = TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK,
	.thermctl_isr_mask = THERM_IRQ_MEM_MASK,
	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM,
	.thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK,
	.thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group *tegra114_tsensor_groups[] = {
	&tegra114_tsensor_group_cpu,
	&tegra114_tsensor_group_gpu,
	&tegra114_tsensor_group_pll,
	&tegra114_tsensor_group_mem,
};

static const struct tegra_tsensor tegra114_tsensors[] = {
	{
		.name = "cpu0",
		.base = 0xc0,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x098,
		.fuse_corr_alpha = 1196400,
		.fuse_corr_beta = -13600000,
		.group = &tegra114_tsensor_group_cpu,
	}, {
		.name = "cpu1",
		.base = 0xe0,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x084,
		.fuse_corr_alpha = 1196400,
		.fuse_corr_beta = -13600000,
		.group = &tegra114_tsensor_group_cpu,
	}, {
		.name = "cpu2",
		.base = 0x100,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x088,
		.fuse_corr_alpha = 1196400,
		.fuse_corr_beta = -13600000,
		.group = &tegra114_tsensor_group_cpu,
	}, {
		.name = "cpu3",
		.base = 0x120,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x12c,
		.fuse_corr_alpha = 1196400,
		.fuse_corr_beta = -13600000,
		.group = &tegra114_tsensor_group_cpu,
	}, {
		.name = "mem0",
		.base = 0x140,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x158,
		.fuse_corr_alpha = 1000000,
		.fuse_corr_beta = 0,
		.group = &tegra114_tsensor_group_mem,
	}, {
		.name = "mem1",
		.base = 0x160,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x15c,
		.fuse_corr_alpha = 1000000,
		.fuse_corr_beta = 0,
		.group = &tegra114_tsensor_group_mem,
	}, {
		.name = "gpu",
		.base = 0x180,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x154,
		.fuse_corr_alpha = 1124500,
		.fuse_corr_beta = -9793100,
		.group = &tegra114_tsensor_group_gpu,
	}, {
		.name = "pllx",
		.base = 0x1a0,
		.config = &tegra114_tsensor_config,
		.calib_fuse_offset = 0x160,
		.fuse_corr_alpha = 1224200,
		.fuse_corr_beta = -14665000,
		.group = &tegra114_tsensor_group_pll,
	},
};

static const struct tegra_soctherm_fuse tegra114_soctherm_fuse = {
	.fuse_base_cp_mask = 0x3ff,
	.fuse_base_cp_shift = 0,
	.fuse_shift_cp_mask = 0x3f << 10,
	.fuse_shift_cp_shift = 10,
	.fuse_base_ft_mask = 0x7ff << 16,
	.fuse_base_ft_shift = 16,
	.fuse_shift_ft_mask = 0x1f << 27,
	.fuse_shift_ft_shift = 27,
	.fuse_common_reg = FUSE_VSENSOR_CALIB,
	.fuse_spare_realignment = 0,
	.nominal_calib_ft = 90,
};

const struct tegra_soctherm_soc tegra114_soctherm = {
	.tsensors = tegra114_tsensors,
	.num_tsensors = ARRAY_SIZE(tegra114_tsensors),
	.ttgs = tegra114_tsensor_groups,
	.num_ttgs = ARRAY_SIZE(tegra114_tsensor_groups),
	.tfuse = &tegra114_soctherm_fuse,
	.thresh_grain = TEGRA114_THRESH_GRAIN,
	.bptt = TEGRA114_BPTT,
	.use_ccroc = false,
};