root/drivers/thermal/tegra/tegra210-soctherm.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2014-2018, NVIDIA CORPORATION.  All rights reserved.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that 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 <linux/module.h>
#include <linux/platform_device.h>
#include <soc/tegra/fuse.h>

#include <dt-bindings/thermal/tegra124-soctherm.h>

#include "soctherm.h"

#define TEGRA210_THERMTRIP_ANY_EN_MASK          (0x1 << 31)
#define TEGRA210_THERMTRIP_MEM_EN_MASK          (0x1 << 30)
#define TEGRA210_THERMTRIP_GPU_EN_MASK          (0x1 << 29)
#define TEGRA210_THERMTRIP_CPU_EN_MASK          (0x1 << 28)
#define TEGRA210_THERMTRIP_TSENSE_EN_MASK       (0x1 << 27)
#define TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK   (0x1ff << 18)
#define TEGRA210_THERMTRIP_CPU_THRESH_MASK      (0x1ff << 9)
#define TEGRA210_THERMTRIP_TSENSE_THRESH_MASK   0x1ff

#define TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK   (0x1ff << 18)
#define TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK   (0x1ff << 9)

#define TEGRA210_THRESH_GRAIN                   500
#define TEGRA210_BPTT                           9

static const struct tegra_tsensor_configuration tegra210_tsensor_config = {
        .tall = 16300,
        .tiddq_en = 1,
        .ten_count = 1,
        .tsample = 120,
        .tsample_ate = 480,
};

static const struct tegra_tsensor_group tegra210_tsensor_group_cpu = {
        .id = TEGRA124_SOCTHERM_SENSOR_CPU,
        .name = "cpu",
        .sensor_temp_offset = SENSOR_TEMP1,
        .sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK,
        .pdiv = 8,
        .pdiv_ate = 8,
        .pdiv_mask = SENSOR_PDIV_CPU_MASK,
        .pllx_hotspot_diff = 10,
        .pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK,
        .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
        .thermtrip_enable_mask = TEGRA210_THERMTRIP_CPU_EN_MASK,
        .thermtrip_threshold_mask = TEGRA210_THERMTRIP_CPU_THRESH_MASK,
        .thermctl_isr_mask = THERM_IRQ_CPU_MASK,
        .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU,
        .thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
        .thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra210_tsensor_group_gpu = {
        .id = TEGRA124_SOCTHERM_SENSOR_GPU,
        .name = "gpu",
        .sensor_temp_offset = SENSOR_TEMP1,
        .sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK,
        .pdiv = 8,
        .pdiv_ate = 8,
        .pdiv_mask = SENSOR_PDIV_GPU_MASK,
        .pllx_hotspot_diff = 5,
        .pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK,
        .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
        .thermtrip_enable_mask = TEGRA210_THERMTRIP_GPU_EN_MASK,
        .thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK,
        .thermctl_isr_mask = THERM_IRQ_GPU_MASK,
        .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU,
        .thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
        .thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra210_tsensor_group_pll = {
        .id = TEGRA124_SOCTHERM_SENSOR_PLLX,
        .name = "pll",
        .sensor_temp_offset = SENSOR_TEMP2,
        .sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK,
        .pdiv = 8,
        .pdiv_ate = 8,
        .pdiv_mask = SENSOR_PDIV_PLLX_MASK,
        .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
        .thermtrip_enable_mask = TEGRA210_THERMTRIP_TSENSE_EN_MASK,
        .thermtrip_threshold_mask = TEGRA210_THERMTRIP_TSENSE_THRESH_MASK,
        .thermctl_isr_mask = THERM_IRQ_TSENSE_MASK,
        .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE,
        .thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
        .thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group tegra210_tsensor_group_mem = {
        .id = TEGRA124_SOCTHERM_SENSOR_MEM,
        .name = "mem",
        .sensor_temp_offset = SENSOR_TEMP2,
        .sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK,
        .pdiv = 8,
        .pdiv_ate = 8,
        .pdiv_mask = SENSOR_PDIV_MEM_MASK,
        .pllx_hotspot_diff = 0,
        .pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK,
        .thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
        .thermtrip_enable_mask = TEGRA210_THERMTRIP_MEM_EN_MASK,
        .thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK,
        .thermctl_isr_mask = THERM_IRQ_MEM_MASK,
        .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM,
        .thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
        .thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
};

static const struct tegra_tsensor_group *tegra210_tsensor_groups[] = {
        &tegra210_tsensor_group_cpu,
        &tegra210_tsensor_group_gpu,
        &tegra210_tsensor_group_pll,
        &tegra210_tsensor_group_mem,
};

static const struct tegra_tsensor tegra210_tsensors[] = {
        {
                .name = "cpu0",
                .base = 0xc0,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x098,
                .fuse_corr_alpha = 1085000,
                .fuse_corr_beta = 3244200,
                .group = &tegra210_tsensor_group_cpu,
        }, {
                .name = "cpu1",
                .base = 0xe0,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x084,
                .fuse_corr_alpha = 1126200,
                .fuse_corr_beta = -67500,
                .group = &tegra210_tsensor_group_cpu,
        }, {
                .name = "cpu2",
                .base = 0x100,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x088,
                .fuse_corr_alpha = 1098400,
                .fuse_corr_beta = 2251100,
                .group = &tegra210_tsensor_group_cpu,
        }, {
                .name = "cpu3",
                .base = 0x120,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x12c,
                .fuse_corr_alpha = 1108000,
                .fuse_corr_beta = 602700,
                .group = &tegra210_tsensor_group_cpu,
        }, {
                .name = "mem0",
                .base = 0x140,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x158,
                .fuse_corr_alpha = 1069200,
                .fuse_corr_beta = 3549900,
                .group = &tegra210_tsensor_group_mem,
        }, {
                .name = "mem1",
                .base = 0x160,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x15c,
                .fuse_corr_alpha = 1173700,
                .fuse_corr_beta = -6263600,
                .group = &tegra210_tsensor_group_mem,
        }, {
                .name = "gpu",
                .base = 0x180,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x154,
                .fuse_corr_alpha = 1074300,
                .fuse_corr_beta = 2734900,
                .group = &tegra210_tsensor_group_gpu,
        }, {
                .name = "pllx",
                .base = 0x1a0,
                .config = &tegra210_tsensor_config,
                .calib_fuse_offset = 0x160,
                .fuse_corr_alpha = 1039700,
                .fuse_corr_beta = 6829100,
                .group = &tegra210_tsensor_group_pll,
        },
};

/*
 * Mask/shift bits in FUSE_TSENSOR_COMMON and
 * FUSE_TSENSOR_COMMON, which are described in
 * tegra_soctherm_fuse.c
 */
static const struct tegra_soctherm_fuse tegra210_soctherm_fuse = {
        .fuse_base_cp_mask = 0x3ff << 11,
        .fuse_base_cp_shift = 11,
        .fuse_shift_cp_mask = 0x3f,
        .fuse_shift_cp_shift = 0,
        .fuse_base_ft_mask = 0x7ff << 21,
        .fuse_base_ft_shift = 21,
        .fuse_shift_ft_mask = 0x1f << 6,
        .fuse_shift_ft_shift = 6,
        .fuse_common_reg = FUSE_TSENSOR_COMMON,
        .fuse_spare_realignment = 0,
        .nominal_calib_ft = 105,
};

static struct tsensor_group_thermtrips tegra210_tsensor_thermtrips[] = {
        {.id = TEGRA124_SOCTHERM_SENSOR_NUM},
        {.id = TEGRA124_SOCTHERM_SENSOR_NUM},
        {.id = TEGRA124_SOCTHERM_SENSOR_NUM},
        {.id = TEGRA124_SOCTHERM_SENSOR_NUM},
};

const struct tegra_soctherm_soc tegra210_soctherm = {
        .tsensors = tegra210_tsensors,
        .num_tsensors = ARRAY_SIZE(tegra210_tsensors),
        .ttgs = tegra210_tsensor_groups,
        .num_ttgs = ARRAY_SIZE(tegra210_tsensor_groups),
        .tfuse = &tegra210_soctherm_fuse,
        .thresh_grain = TEGRA210_THRESH_GRAIN,
        .bptt = TEGRA210_BPTT,
        .use_ccroc = false,
        .thermtrips = tegra210_tsensor_thermtrips,
};