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 TEGRA124_THERMTRIP_ANY_EN_MASK (0x1 << 28) 24 #define TEGRA124_THERMTRIP_MEM_EN_MASK (0x1 << 27) 25 #define TEGRA124_THERMTRIP_GPU_EN_MASK (0x1 << 26) 26 #define TEGRA124_THERMTRIP_CPU_EN_MASK (0x1 << 25) 27 #define TEGRA124_THERMTRIP_TSENSE_EN_MASK (0x1 << 24) 28 #define TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK (0xff << 16) 29 #define TEGRA124_THERMTRIP_CPU_THRESH_MASK (0xff << 8) 30 #define TEGRA124_THERMTRIP_TSENSE_THRESH_MASK 0xff 31 32 #define TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK (0xff << 17) 33 #define TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK (0xff << 9) 34 35 #define TEGRA124_THRESH_GRAIN 1000 36 #define TEGRA124_BPTT 8 37 38 static const struct tegra_tsensor_configuration tegra124_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 tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK, 57 .thermtrip_enable_mask = TEGRA124_THERMTRIP_CPU_EN_MASK, 58 .thermtrip_threshold_mask = TEGRA124_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 = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 62 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 63 }; 64 65 static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK, 76 .thermtrip_enable_mask = TEGRA124_THERMTRIP_GPU_EN_MASK, 77 .thermtrip_threshold_mask = TEGRA124_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 = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 81 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 82 }; 83 84 static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK, 93 .thermtrip_enable_mask = TEGRA124_THERMTRIP_TSENSE_EN_MASK, 94 .thermtrip_threshold_mask = TEGRA124_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 = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 98 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 99 }; 100 101 static const struct tegra_tsensor_group tegra124_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 = TEGRA124_THERMTRIP_ANY_EN_MASK, 112 .thermtrip_enable_mask = TEGRA124_THERMTRIP_MEM_EN_MASK, 113 .thermtrip_threshold_mask = TEGRA124_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 = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 117 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 118 }; 119 120 static const struct tegra_tsensor_group *tegra124_tsensor_groups[] = { 121 &tegra124_tsensor_group_cpu, 122 &tegra124_tsensor_group_gpu, 123 &tegra124_tsensor_group_pll, 124 &tegra124_tsensor_group_mem, 125 }; 126 127 static const struct tegra_tsensor tegra124_tsensors[] = { 128 { 129 .name = "cpu0", 130 .base = 0xc0, 131 .config = &tegra124_tsensor_config, 132 .calib_fuse_offset = 0x098, 133 .fuse_corr_alpha = 1135400, 134 .fuse_corr_beta = -6266900, 135 .group = &tegra124_tsensor_group_cpu, 136 }, { 137 .name = "cpu1", 138 .base = 0xe0, 139 .config = &tegra124_tsensor_config, 140 .calib_fuse_offset = 0x084, 141 .fuse_corr_alpha = 1122220, 142 .fuse_corr_beta = -5700700, 143 .group = &tegra124_tsensor_group_cpu, 144 }, { 145 .name = "cpu2", 146 .base = 0x100, 147 .config = &tegra124_tsensor_config, 148 .calib_fuse_offset = 0x088, 149 .fuse_corr_alpha = 1127000, 150 .fuse_corr_beta = -6768200, 151 .group = &tegra124_tsensor_group_cpu, 152 }, { 153 .name = "cpu3", 154 .base = 0x120, 155 .config = &tegra124_tsensor_config, 156 .calib_fuse_offset = 0x12c, 157 .fuse_corr_alpha = 1110900, 158 .fuse_corr_beta = -6232000, 159 .group = &tegra124_tsensor_group_cpu, 160 }, { 161 .name = "mem0", 162 .base = 0x140, 163 .config = &tegra124_tsensor_config, 164 .calib_fuse_offset = 0x158, 165 .fuse_corr_alpha = 1122300, 166 .fuse_corr_beta = -5936400, 167 .group = &tegra124_tsensor_group_mem, 168 }, { 169 .name = "mem1", 170 .base = 0x160, 171 .config = &tegra124_tsensor_config, 172 .calib_fuse_offset = 0x15c, 173 .fuse_corr_alpha = 1145700, 174 .fuse_corr_beta = -7124600, 175 .group = &tegra124_tsensor_group_mem, 176 }, { 177 .name = "gpu", 178 .base = 0x180, 179 .config = &tegra124_tsensor_config, 180 .calib_fuse_offset = 0x154, 181 .fuse_corr_alpha = 1120100, 182 .fuse_corr_beta = -6000500, 183 .group = &tegra124_tsensor_group_gpu, 184 }, { 185 .name = "pllx", 186 .base = 0x1a0, 187 .config = &tegra124_tsensor_config, 188 .calib_fuse_offset = 0x160, 189 .fuse_corr_alpha = 1106500, 190 .fuse_corr_beta = -6729300, 191 .group = &tegra124_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 tegra124_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 tegra124_soctherm = { 211 .tsensors = tegra124_tsensors, 212 .num_tsensors = ARRAY_SIZE(tegra124_tsensors), 213 .ttgs = tegra124_tsensor_groups, 214 .num_ttgs = ARRAY_SIZE(tegra124_tsensor_groups), 215 .tfuse = &tegra124_soctherm_fuse, 216 .thresh_grain = TEGRA124_THRESH_GRAIN, 217 .bptt = TEGRA124_BPTT, 218 .use_ccroc = false, 219 }; 220