1 /* 2 * Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved. 3 * 4 * This software is licensed under the terms of the GNU General Public 5 * License version 2, as published by the Free Software Foundation, and 6 * may be copied, distributed, and modified under those terms. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 */ 14 15 #include <linux/module.h> 16 #include <linux/platform_device.h> 17 18 #include <dt-bindings/thermal/tegra124-soctherm.h> 19 20 #include "soctherm.h" 21 22 #define TEGRA124_THERMTRIP_ANY_EN_MASK (0x1 << 28) 23 #define TEGRA124_THERMTRIP_MEM_EN_MASK (0x1 << 27) 24 #define TEGRA124_THERMTRIP_GPU_EN_MASK (0x1 << 26) 25 #define TEGRA124_THERMTRIP_CPU_EN_MASK (0x1 << 25) 26 #define TEGRA124_THERMTRIP_TSENSE_EN_MASK (0x1 << 24) 27 #define TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK (0xff << 16) 28 #define TEGRA124_THERMTRIP_CPU_THRESH_MASK (0xff << 8) 29 #define TEGRA124_THERMTRIP_TSENSE_THRESH_MASK 0xff 30 31 #define TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK (0xff << 17) 32 #define TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK (0xff << 9) 33 34 #define TEGRA124_THRESH_GRAIN 1000 35 #define TEGRA124_BPTT 8 36 37 static const struct tegra_tsensor_configuration tegra124_tsensor_config = { 38 .tall = 16300, 39 .tiddq_en = 1, 40 .ten_count = 1, 41 .tsample = 120, 42 .tsample_ate = 480, 43 }; 44 45 static const struct tegra_tsensor_group tegra124_tsensor_group_cpu = { 46 .id = TEGRA124_SOCTHERM_SENSOR_CPU, 47 .name = "cpu", 48 .sensor_temp_offset = SENSOR_TEMP1, 49 .sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK, 50 .pdiv = 8, 51 .pdiv_ate = 8, 52 .pdiv_mask = SENSOR_PDIV_CPU_MASK, 53 .pllx_hotspot_diff = 10, 54 .pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK, 55 .thermtrip_any_en_mask = TEGRA124_THERMTRIP_ANY_EN_MASK, 56 .thermtrip_enable_mask = TEGRA124_THERMTRIP_CPU_EN_MASK, 57 .thermtrip_threshold_mask = TEGRA124_THERMTRIP_CPU_THRESH_MASK, 58 .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU, 59 .thermctl_lvl0_up_thresh_mask = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 60 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 61 }; 62 63 static const struct tegra_tsensor_group tegra124_tsensor_group_gpu = { 64 .id = TEGRA124_SOCTHERM_SENSOR_GPU, 65 .name = "gpu", 66 .sensor_temp_offset = SENSOR_TEMP1, 67 .sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK, 68 .pdiv = 8, 69 .pdiv_ate = 8, 70 .pdiv_mask = SENSOR_PDIV_GPU_MASK, 71 .pllx_hotspot_diff = 5, 72 .pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK, 73 .thermtrip_any_en_mask = TEGRA124_THERMTRIP_ANY_EN_MASK, 74 .thermtrip_enable_mask = TEGRA124_THERMTRIP_GPU_EN_MASK, 75 .thermtrip_threshold_mask = TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK, 76 .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU, 77 .thermctl_lvl0_up_thresh_mask = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 78 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 79 }; 80 81 static const struct tegra_tsensor_group tegra124_tsensor_group_pll = { 82 .id = TEGRA124_SOCTHERM_SENSOR_PLLX, 83 .name = "pll", 84 .sensor_temp_offset = SENSOR_TEMP2, 85 .sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK, 86 .pdiv = 8, 87 .pdiv_ate = 8, 88 .pdiv_mask = SENSOR_PDIV_PLLX_MASK, 89 .thermtrip_any_en_mask = TEGRA124_THERMTRIP_ANY_EN_MASK, 90 .thermtrip_enable_mask = TEGRA124_THERMTRIP_TSENSE_EN_MASK, 91 .thermtrip_threshold_mask = TEGRA124_THERMTRIP_TSENSE_THRESH_MASK, 92 .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE, 93 .thermctl_lvl0_up_thresh_mask = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 94 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 95 }; 96 97 static const struct tegra_tsensor_group tegra124_tsensor_group_mem = { 98 .id = TEGRA124_SOCTHERM_SENSOR_MEM, 99 .name = "mem", 100 .sensor_temp_offset = SENSOR_TEMP2, 101 .sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK, 102 .pdiv = 8, 103 .pdiv_ate = 8, 104 .pdiv_mask = SENSOR_PDIV_MEM_MASK, 105 .pllx_hotspot_diff = 0, 106 .pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK, 107 .thermtrip_any_en_mask = TEGRA124_THERMTRIP_ANY_EN_MASK, 108 .thermtrip_enable_mask = TEGRA124_THERMTRIP_MEM_EN_MASK, 109 .thermtrip_threshold_mask = TEGRA124_THERMTRIP_GPUMEM_THRESH_MASK, 110 .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM, 111 .thermctl_lvl0_up_thresh_mask = TEGRA124_THERMCTL_LVL0_UP_THRESH_MASK, 112 .thermctl_lvl0_dn_thresh_mask = TEGRA124_THERMCTL_LVL0_DN_THRESH_MASK, 113 }; 114 115 static const struct tegra_tsensor_group *tegra124_tsensor_groups[] = { 116 &tegra124_tsensor_group_cpu, 117 &tegra124_tsensor_group_gpu, 118 &tegra124_tsensor_group_pll, 119 &tegra124_tsensor_group_mem, 120 }; 121 122 static const struct tegra_tsensor tegra124_tsensors[] = { 123 { 124 .name = "cpu0", 125 .base = 0xc0, 126 .config = &tegra124_tsensor_config, 127 .calib_fuse_offset = 0x098, 128 .fuse_corr_alpha = 1135400, 129 .fuse_corr_beta = -6266900, 130 .group = &tegra124_tsensor_group_cpu, 131 }, { 132 .name = "cpu1", 133 .base = 0xe0, 134 .config = &tegra124_tsensor_config, 135 .calib_fuse_offset = 0x084, 136 .fuse_corr_alpha = 1122220, 137 .fuse_corr_beta = -5700700, 138 .group = &tegra124_tsensor_group_cpu, 139 }, { 140 .name = "cpu2", 141 .base = 0x100, 142 .config = &tegra124_tsensor_config, 143 .calib_fuse_offset = 0x088, 144 .fuse_corr_alpha = 1127000, 145 .fuse_corr_beta = -6768200, 146 .group = &tegra124_tsensor_group_cpu, 147 }, { 148 .name = "cpu3", 149 .base = 0x120, 150 .config = &tegra124_tsensor_config, 151 .calib_fuse_offset = 0x12c, 152 .fuse_corr_alpha = 1110900, 153 .fuse_corr_beta = -6232000, 154 .group = &tegra124_tsensor_group_cpu, 155 }, { 156 .name = "mem0", 157 .base = 0x140, 158 .config = &tegra124_tsensor_config, 159 .calib_fuse_offset = 0x158, 160 .fuse_corr_alpha = 1122300, 161 .fuse_corr_beta = -5936400, 162 .group = &tegra124_tsensor_group_mem, 163 }, { 164 .name = "mem1", 165 .base = 0x160, 166 .config = &tegra124_tsensor_config, 167 .calib_fuse_offset = 0x15c, 168 .fuse_corr_alpha = 1145700, 169 .fuse_corr_beta = -7124600, 170 .group = &tegra124_tsensor_group_mem, 171 }, { 172 .name = "gpu", 173 .base = 0x180, 174 .config = &tegra124_tsensor_config, 175 .calib_fuse_offset = 0x154, 176 .fuse_corr_alpha = 1120100, 177 .fuse_corr_beta = -6000500, 178 .group = &tegra124_tsensor_group_gpu, 179 }, { 180 .name = "pllx", 181 .base = 0x1a0, 182 .config = &tegra124_tsensor_config, 183 .calib_fuse_offset = 0x160, 184 .fuse_corr_alpha = 1106500, 185 .fuse_corr_beta = -6729300, 186 .group = &tegra124_tsensor_group_pll, 187 }, 188 }; 189 190 /* 191 * Mask/shift bits in FUSE_TSENSOR_COMMON and 192 * FUSE_TSENSOR_COMMON, which are described in 193 * tegra_soctherm_fuse.c 194 */ 195 static const struct tegra_soctherm_fuse tegra124_soctherm_fuse = { 196 .fuse_base_cp_mask = 0x3ff, 197 .fuse_base_cp_shift = 0, 198 .fuse_base_ft_mask = 0x7ff << 10, 199 .fuse_base_ft_shift = 10, 200 .fuse_shift_ft_mask = 0x1f << 21, 201 .fuse_shift_ft_shift = 21, 202 .fuse_spare_realignment = 0x1fc, 203 }; 204 205 const struct tegra_soctherm_soc tegra124_soctherm = { 206 .tsensors = tegra124_tsensors, 207 .num_tsensors = ARRAY_SIZE(tegra124_tsensors), 208 .ttgs = tegra124_tsensor_groups, 209 .num_ttgs = ARRAY_SIZE(tegra124_tsensor_groups), 210 .tfuse = &tegra124_soctherm_fuse, 211 .thresh_grain = TEGRA124_THRESH_GRAIN, 212 .bptt = TEGRA124_BPTT, 213 .use_ccroc = false, 214 }; 215