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/*
* Copyright (c) 2014-2016, 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 <dt-bindings/thermal/tegra124-soctherm.h>
#include "soctherm.h"
#define TEGRA124_THERMTRIP_ANY_EN_MASK (0x1 << 28)
#define TEGRA124_THERMTRIP_MEM_EN_MASK (0x1 << 27)
#define TEGRA124_THERMTRIP_GPU_EN_MASK (0x1 << 26)
#define TEGRA124_THERMTRIP_CPU_EN_MASK (0x1 << 25)
#define TEGRA124_THERMTRIP_TSENSE_EN_MASK (0x1 << 24)
#define TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK (0xff << 16)
#define TEGRA124_THERMTRIP_CPU_THRESH_MASK (0xff << 8)
#define TEGRA124_THERMTRIP_TSENSE_THRESH_MASK 0xff
#define TEGRA124_THRESH_GRAIN 1000
static const struct tegra_tsensor_configuration tegra124_tsensor_config = {
.tall = 16300,
.tiddq_en = 1,
.ten_count = 1,
.tsample = 120,
.tsample_ate = 480,
};
static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK,
.thermtrip_enable_mask = TEGRA124_THERMTRIP_CPU_EN_MASK,
.thermtrip_threshold_mask = TEGRA124_THERMTRIP_CPU_THRESH_MASK,
};
static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK,
.thermtrip_enable_mask = TEGRA124_THERMTRIP_GPU_EN_MASK,
.thermtrip_threshold_mask = TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK,
};
static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK,
.thermtrip_enable_mask = TEGRA124_THERMTRIP_TSENSE_EN_MASK,
.thermtrip_threshold_mask = TEGRA124_THERMTRIP_TSENSE_THRESH_MASK,
};
static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK,
.thermtrip_enable_mask = TEGRA124_THERMTRIP_MEM_EN_MASK,
.thermtrip_threshold_mask = TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK,
};
static const struct tegra_tsensor_group *tegra124_tsensor_groups[] = {
&tegra124_tsensor_group_cpu,
&tegra124_tsensor_group_gpu,
&tegra124_tsensor_group_pll,
&tegra124_tsensor_group_mem,
};
static const struct tegra_tsensor tegra124_tsensors[] = {
{
.name = "cpu0",
.base = 0xc0,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x098,
.fuse_corr_alpha = 1135400,
.fuse_corr_beta = -6266900,
.group = &tegra124_tsensor_group_cpu,
}, {
.name = "cpu1",
.base = 0xe0,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x084,
.fuse_corr_alpha = 1122220,
.fuse_corr_beta = -5700700,
.group = &tegra124_tsensor_group_cpu,
}, {
.name = "cpu2",
.base = 0x100,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x088,
.fuse_corr_alpha = 1127000,
.fuse_corr_beta = -6768200,
.group = &tegra124_tsensor_group_cpu,
}, {
.name = "cpu3",
.base = 0x120,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x12c,
.fuse_corr_alpha = 1110900,
.fuse_corr_beta = -6232000,
.group = &tegra124_tsensor_group_cpu,
}, {
.name = "mem0",
.base = 0x140,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x158,
.fuse_corr_alpha = 1122300,
.fuse_corr_beta = -5936400,
.group = &tegra124_tsensor_group_mem,
}, {
.name = "mem1",
.base = 0x160,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x15c,
.fuse_corr_alpha = 1145700,
.fuse_corr_beta = -7124600,
.group = &tegra124_tsensor_group_mem,
}, {
.name = "gpu",
.base = 0x180,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x154,
.fuse_corr_alpha = 1120100,
.fuse_corr_beta = -6000500,
.group = &tegra124_tsensor_group_gpu,
}, {
.name = "pllx",
.base = 0x1a0,
.config = &tegra124_tsensor_config,
.calib_fuse_offset = 0x160,
.fuse_corr_alpha = 1106500,
.fuse_corr_beta = -6729300,
.group = &tegra124_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 tegra124_soctherm_fuse = {
.fuse_base_cp_mask = 0x3ff,
.fuse_base_cp_shift = 0,
.fuse_base_ft_mask = 0x7ff << 10,
.fuse_base_ft_shift = 10,
.fuse_shift_ft_mask = 0x1f << 21,
.fuse_shift_ft_shift = 21,
.fuse_spare_realignment = 0x1fc,
};
const struct tegra_soctherm_soc tegra124_soctherm = {
.tsensors = tegra124_tsensors,
.num_tsensors = ARRAY_SIZE(tegra124_tsensors),
.ttgs = tegra124_tsensor_groups,
.num_ttgs = ARRAY_SIZE(tegra124_tsensor_groups),
.tfuse = &tegra124_soctherm_fuse,
.thresh_grain = TEGRA124_THRESH_GRAIN,
};
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