drivers/thermal/tegra/tegra132-soctherm.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2014-2018, NVIDIA CORPORATION.  All rights reserved.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <dt-bindings/thermal/tegra124-soctherm.h>
  20
  21 #include "soctherm.h"
  22
  23 #define TEGRA132_THERMTRIP_ANY_EN_MASK          (0x1 << 28)
  24 #define TEGRA132_THERMTRIP_MEM_EN_MASK          (0x1 << 27)
  25 #define TEGRA132_THERMTRIP_GPU_EN_MASK          (0x1 << 26)
  26 #define TEGRA132_THERMTRIP_CPU_EN_MASK          (0x1 << 25)
  27 #define TEGRA132_THERMTRIP_TSENSE_EN_MASK       (0x1 << 24)
  28 #define TEGRA132_THERMTRIP_GPUMEM_THRESH_MASK   (0xff << 16)
  29 #define TEGRA132_THERMTRIP_CPU_THRESH_MASK      (0xff << 8)
  30 #define TEGRA132_THERMTRIP_TSENSE_THRESH_MASK   0xff
  31
  32 #define TEGRA132_THERMCTL_LVL0_UP_THRESH_MASK   (0xff << 17)
  33 #define TEGRA132_THERMCTL_LVL0_DN_THRESH_MASK   (0xff << 9)
  34
  35 #define TEGRA132_THRESH_GRAIN                   1000
  36 #define TEGRA132_BPTT                           8
  37
  38 static const struct tegra_tsensor_configuration tegra132_tsensor_config = {
  39         .tall = 16300,
  40         .tiddq_en = 1,
  41         .ten_count = 1,
  42         .tsample = 120,
  43         .tsample_ate = 480,
  44 };
  45
  46 static const struct tegra_tsensor_group tegra132_tsensor_group_cpu = {
  47         .id = TEGRA124_SOCTHERM_SENSOR_CPU,
  48         .name = "cpu",
  49         .sensor_temp_offset = SENSOR_TEMP1,
  50         .sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK,
  51         .pdiv = 8,
  52         .pdiv_ate = 8,
  53         .pdiv_mask = SENSOR_PDIV_CPU_MASK,
  54         .pllx_hotspot_diff = 10,
  55         .pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK,
  56         .thermtrip_any_en_mask = TEGRA132_THERMTRIP_ANY_EN_MASK,
  57         .thermtrip_enable_mask = TEGRA132_THERMTRIP_CPU_EN_MASK,
  58         .thermtrip_threshold_mask = TEGRA132_THERMTRIP_CPU_THRESH_MASK,
  59         .thermctl_isr_mask = THERM_IRQ_CPU_MASK,
  60         .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU,
  61         .thermctl_lvl0_up_thresh_mask = TEGRA132_THERMCTL_LVL0_UP_THRESH_MASK,
  62         .thermctl_lvl0_dn_thresh_mask = TEGRA132_THERMCTL_LVL0_DN_THRESH_MASK,
  63 };
  64
  65 static const struct tegra_tsensor_group tegra132_tsensor_group_gpu = {
  66         .id = TEGRA124_SOCTHERM_SENSOR_GPU,
  67         .name = "gpu",
  68         .sensor_temp_offset = SENSOR_TEMP1,
  69         .sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK,
  70         .pdiv = 8,
  71         .pdiv_ate = 8,
  72         .pdiv_mask = SENSOR_PDIV_GPU_MASK,
  73         .pllx_hotspot_diff = 5,
  74         .pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK,
  75         .thermtrip_any_en_mask = TEGRA132_THERMTRIP_ANY_EN_MASK,
  76         .thermtrip_enable_mask = TEGRA132_THERMTRIP_GPU_EN_MASK,
  77         .thermtrip_threshold_mask = TEGRA132_THERMTRIP_GPUMEM_THRESH_MASK,
  78         .thermctl_isr_mask = THERM_IRQ_GPU_MASK,
  79         .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU,
  80         .thermctl_lvl0_up_thresh_mask = TEGRA132_THERMCTL_LVL0_UP_THRESH_MASK,
  81         .thermctl_lvl0_dn_thresh_mask = TEGRA132_THERMCTL_LVL0_DN_THRESH_MASK,
  82 };
  83
  84 static const struct tegra_tsensor_group tegra132_tsensor_group_pll = {
  85         .id = TEGRA124_SOCTHERM_SENSOR_PLLX,
  86         .name = "pll",
  87         .sensor_temp_offset = SENSOR_TEMP2,
  88         .sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK,
  89         .pdiv = 8,
  90         .pdiv_ate = 8,
  91         .pdiv_mask = SENSOR_PDIV_PLLX_MASK,
  92         .thermtrip_any_en_mask = TEGRA132_THERMTRIP_ANY_EN_MASK,
  93         .thermtrip_enable_mask = TEGRA132_THERMTRIP_TSENSE_EN_MASK,
  94         .thermtrip_threshold_mask = TEGRA132_THERMTRIP_TSENSE_THRESH_MASK,
  95         .thermctl_isr_mask = THERM_IRQ_TSENSE_MASK,
  96         .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE,
  97         .thermctl_lvl0_up_thresh_mask = TEGRA132_THERMCTL_LVL0_UP_THRESH_MASK,
  98         .thermctl_lvl0_dn_thresh_mask = TEGRA132_THERMCTL_LVL0_DN_THRESH_MASK,
  99 };
 100
 101 static const struct tegra_tsensor_group tegra132_tsensor_group_mem = {
 102         .id = TEGRA124_SOCTHERM_SENSOR_MEM,
 103         .name = "mem",
 104         .sensor_temp_offset = SENSOR_TEMP2,
 105         .sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK,
 106         .pdiv = 8,
 107         .pdiv_ate = 8,
 108         .pdiv_mask = SENSOR_PDIV_MEM_MASK,
 109         .pllx_hotspot_diff = 0,
 110         .pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK,
 111         .thermtrip_any_en_mask = TEGRA132_THERMTRIP_ANY_EN_MASK,
 112         .thermtrip_enable_mask = TEGRA132_THERMTRIP_MEM_EN_MASK,
 113         .thermtrip_threshold_mask = TEGRA132_THERMTRIP_GPUMEM_THRESH_MASK,
 114         .thermctl_isr_mask = THERM_IRQ_MEM_MASK,
 115         .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM,
 116         .thermctl_lvl0_up_thresh_mask = TEGRA132_THERMCTL_LVL0_UP_THRESH_MASK,
 117         .thermctl_lvl0_dn_thresh_mask = TEGRA132_THERMCTL_LVL0_DN_THRESH_MASK,
 118 };
 119
 120 static const struct tegra_tsensor_group *tegra132_tsensor_groups[] = {
 121         &tegra132_tsensor_group_cpu,
 122         &tegra132_tsensor_group_gpu,
 123         &tegra132_tsensor_group_pll,
 124         &tegra132_tsensor_group_mem,
 125 };
 126
 127 static struct tegra_tsensor tegra132_tsensors[] = {
 128         {
 129                 .name = "cpu0",
 130                 .base = 0xc0,
 131                 .config = &tegra132_tsensor_config,
 132                 .calib_fuse_offset = 0x098,
 133                 .fuse_corr_alpha = 1126600,
 134                 .fuse_corr_beta = -9433500,
 135                 .group = &tegra132_tsensor_group_cpu,
 136         }, {
 137                 .name = "cpu1",
 138                 .base = 0xe0,
 139                 .config = &tegra132_tsensor_config,
 140                 .calib_fuse_offset = 0x084,
 141                 .fuse_corr_alpha = 1110800,
 142                 .fuse_corr_beta = -7383000,
 143                 .group = &tegra132_tsensor_group_cpu,
 144         }, {
 145                 .name = "cpu2",
 146                 .base = 0x100,
 147                 .config = &tegra132_tsensor_config,
 148                 .calib_fuse_offset = 0x088,
 149                 .fuse_corr_alpha = 1113800,
 150                 .fuse_corr_beta = -6215200,
 151                 .group = &tegra132_tsensor_group_cpu,
 152         }, {
 153                 .name = "cpu3",
 154                 .base = 0x120,
 155                 .config = &tegra132_tsensor_config,
 156                 .calib_fuse_offset = 0x12c,
 157                 .fuse_corr_alpha = 1129600,
 158                 .fuse_corr_beta = -8196100,
 159                 .group = &tegra132_tsensor_group_cpu,
 160         }, {
 161                 .name = "mem0",
 162                 .base = 0x140,
 163                 .config = &tegra132_tsensor_config,
 164                 .calib_fuse_offset = 0x158,
 165                 .fuse_corr_alpha = 1132900,
 166                 .fuse_corr_beta = -6755300,
 167                 .group = &tegra132_tsensor_group_mem,
 168         }, {
 169                 .name = "mem1",
 170                 .base = 0x160,
 171                 .config = &tegra132_tsensor_config,
 172                 .calib_fuse_offset = 0x15c,
 173                 .fuse_corr_alpha = 1142300,
 174                 .fuse_corr_beta = -7374200,
 175                 .group = &tegra132_tsensor_group_mem,
 176         }, {
 177                 .name = "gpu",
 178                 .base = 0x180,
 179                 .config = &tegra132_tsensor_config,
 180                 .calib_fuse_offset = 0x154,
 181                 .fuse_corr_alpha = 1125100,
 182                 .fuse_corr_beta = -6350400,
 183                 .group = &tegra132_tsensor_group_gpu,
 184         }, {
 185                 .name = "pllx",
 186                 .base = 0x1a0,
 187                 .config = &tegra132_tsensor_config,
 188                 .calib_fuse_offset = 0x160,
 189                 .fuse_corr_alpha = 1118100,
 190                 .fuse_corr_beta = -8208800,
 191                 .group = &tegra132_tsensor_group_pll,
 192         },
 193 };
 194
 195 /*
 196  * Mask/shift bits in FUSE_TSENSOR_COMMON and
 197  * FUSE_TSENSOR_COMMON, which are described in
 198  * tegra_soctherm_fuse.c
 199  */
 200 static const struct tegra_soctherm_fuse tegra132_soctherm_fuse = {
 201         .fuse_base_cp_mask = 0x3ff,
 202         .fuse_base_cp_shift = 0,
 203         .fuse_base_ft_mask = 0x7ff << 10,
 204         .fuse_base_ft_shift = 10,
 205         .fuse_shift_ft_mask = 0x1f << 21,
 206         .fuse_shift_ft_shift = 21,
 207         .fuse_spare_realignment = 0x1fc,
 208 };
 209
 210 const struct tegra_soctherm_soc tegra132_soctherm = {
 211         .tsensors = tegra132_tsensors,
 212         .num_tsensors = ARRAY_SIZE(tegra132_tsensors),
 213         .ttgs = tegra132_tsensor_groups,
 214         .num_ttgs = ARRAY_SIZE(tegra132_tsensor_groups),
 215         .tfuse = &tegra132_soctherm_fuse,
 216         .thresh_grain = TEGRA132_THRESH_GRAIN,
 217         .bptt = TEGRA132_BPTT,
 218         .use_ccroc = true,
 219 };