drivers/thermal/ti-soc-thermal/omap5-thermal-data.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * OMAP5 thermal driver.
   4  *
   5  * Copyright (C) 2011-2012 Texas Instruments Inc.
   6  * Contact:
   7  *      Eduardo Valentin <eduardo.valentin@ti.com>
   8  */
   9
  10 #include "ti-thermal.h"
  11 #include "ti-bandgap.h"
  12 #include "omap5xxx-bandgap.h"
  13
  14 /*
  15  * OMAP5430 has three instances of thermal sensor for MPU, GPU & CORE,
  16  * need to describe the individual registers and bit fields.
  17  */
  18
  19 /*
  20  * OMAP5430 MPU thermal sensor register offset and bit-fields
  21  */
  22 static struct temp_sensor_registers
  23 omap5430_mpu_temp_sensor_registers = {
  24         .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET,
  25         .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
  26         .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
  27         .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
  28
  29         .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
  30         .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK,
  31         .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK,
  32         .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
  33         .mask_freeze_mask = OMAP5430_MASK_FREEZE_MPU_MASK,
  34
  35         .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
  36         .counter_mask = OMAP5430_COUNTER_MASK,
  37
  38         .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET,
  39         .threshold_thot_mask = OMAP5430_T_HOT_MASK,
  40         .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
  41
  42         .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET,
  43         .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
  44         .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
  45
  46         .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
  47         .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK,
  48         .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK,
  49
  50         .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_MPU_1_OFFSET,
  51         .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_MPU_2_OFFSET,
  52         .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU,
  53 };
  54
  55 /*
  56  * OMAP5430 GPU thermal sensor register offset and bit-fields
  57  */
  58 static struct temp_sensor_registers
  59 omap5430_gpu_temp_sensor_registers = {
  60         .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET,
  61         .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
  62         .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
  63         .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
  64
  65         .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
  66         .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK,
  67         .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK,
  68         .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
  69         .mask_freeze_mask = OMAP5430_MASK_FREEZE_GPU_MASK,
  70
  71         .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
  72         .counter_mask = OMAP5430_COUNTER_MASK,
  73
  74         .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET,
  75         .threshold_thot_mask = OMAP5430_T_HOT_MASK,
  76         .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
  77
  78         .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET,
  79         .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
  80         .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
  81
  82         .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
  83         .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK,
  84         .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK,
  85
  86         .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_GPU_1_OFFSET,
  87         .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_GPU_2_OFFSET,
  88
  89         .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU,
  90 };
  91
  92 /*
  93  * OMAP5430 CORE thermal sensor register offset and bit-fields
  94  */
  95 static struct temp_sensor_registers
  96 omap5430_core_temp_sensor_registers = {
  97         .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET,
  98         .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
  99         .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
 100         .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
 101
 102         .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
 103         .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK,
 104         .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK,
 105         .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
 106         .mask_freeze_mask = OMAP5430_MASK_FREEZE_CORE_MASK,
 107
 108         .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
 109         .counter_mask = OMAP5430_COUNTER_MASK,
 110
 111         .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET,
 112         .threshold_thot_mask = OMAP5430_T_HOT_MASK,
 113         .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
 114
 115         .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET,
 116         .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
 117         .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
 118
 119         .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
 120         .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK,
 121         .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK,
 122
 123         .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_CORE_1_OFFSET,
 124         .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_CORE_2_OFFSET,
 125
 126         .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE,
 127 };
 128
 129 /* Thresholds and limits for OMAP5430 MPU temperature sensor */
 130 static struct temp_sensor_data omap5430_mpu_temp_sensor_data = {
 131         .tshut_hot = OMAP5430_MPU_TSHUT_HOT,
 132         .tshut_cold = OMAP5430_MPU_TSHUT_COLD,
 133         .t_hot = OMAP5430_MPU_T_HOT,
 134         .t_cold = OMAP5430_MPU_T_COLD,
 135         .min_freq = OMAP5430_MPU_MIN_FREQ,
 136         .max_freq = OMAP5430_MPU_MAX_FREQ,
 137 };
 138
 139 /* Thresholds and limits for OMAP5430 GPU temperature sensor */
 140 static struct temp_sensor_data omap5430_gpu_temp_sensor_data = {
 141         .tshut_hot = OMAP5430_GPU_TSHUT_HOT,
 142         .tshut_cold = OMAP5430_GPU_TSHUT_COLD,
 143         .t_hot = OMAP5430_GPU_T_HOT,
 144         .t_cold = OMAP5430_GPU_T_COLD,
 145         .min_freq = OMAP5430_GPU_MIN_FREQ,
 146         .max_freq = OMAP5430_GPU_MAX_FREQ,
 147 };
 148
 149 /* Thresholds and limits for OMAP5430 CORE temperature sensor */
 150 static struct temp_sensor_data omap5430_core_temp_sensor_data = {
 151         .tshut_hot = OMAP5430_CORE_TSHUT_HOT,
 152         .tshut_cold = OMAP5430_CORE_TSHUT_COLD,
 153         .t_hot = OMAP5430_CORE_T_HOT,
 154         .t_cold = OMAP5430_CORE_T_COLD,
 155         .min_freq = OMAP5430_CORE_MIN_FREQ,
 156         .max_freq = OMAP5430_CORE_MAX_FREQ,
 157 };
 158
 159 /*
 160  * OMAP54xx ES2.0 : Temperature values in milli degree celsius
 161  * ADC code values from 540 to 945
 162  */
 163 static int
 164 omap5430_adc_to_temp[
 165         OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = {
 166         /* Index 540 - 549 */
 167         -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
 168         -37800,
 169         /* Index 550 - 559 */
 170         -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800,
 171         -33400,
 172         /* Index 560 - 569 */
 173         -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800,
 174         -29400,
 175         /* Index 570 - 579 */
 176         -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400,
 177         -25000,
 178         /* Index 580 - 589 */
 179         -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400,
 180         -21000,
 181         /* Index 590 - 599 */
 182         -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000,
 183         -16600,
 184         /* Index 600 - 609 */
 185         -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000,
 186         -12500,
 187         /* Index 610 - 619 */
 188         -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600,
 189         -8200,
 190         /* Index 620 - 629 */
 191         -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900,
 192         /* Index 630 - 639 */
 193         -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200,
 194         /* Index 640 - 649 */
 195         600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500,
 196         /* Index 650 - 659 */
 197         5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600,
 198         /* Index 660 - 669 */
 199         9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700,
 200         /* Index 670 - 679 */
 201         13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000,
 202         /* Index 680 - 689 */
 203         17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100,
 204         /* Index 690 - 699 */
 205         21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400,
 206         /* Index 700 - 709 */
 207         25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400,
 208         /* Index 710 - 719 */
 209         29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800,
 210         /* Index 720 - 729 */
 211         34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800,
 212         /* Index 730 - 739 */
 213         38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800,
 214         /* Index 740 - 749 */
 215         42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200,
 216         /* Index 750 - 759 */
 217         46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200,
 218         /* Index 760 - 769 */
 219         50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200,
 220         /* Index 770 - 779 */
 221         54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600,
 222         /* Index 780 - 789 */
 223         59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600,
 224         /* Index 790 - 799 */
 225         63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600,
 226         /* Index 800 - 809 */
 227         67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600,
 228         /* Index 810 - 819 */
 229         71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000,
 230         /* Index 820 - 829 */
 231         75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
 232         /* Index 830 - 839 */
 233         79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000,
 234         /* Index 840 - 849 */
 235         83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000,
 236         /* Index 850 - 859 */
 237         87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000,
 238         /* Index 860 - 869 */
 239         91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000,
 240         /* Index 870 - 879 */
 241         95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400,
 242         /* Index 880 - 889 */
 243         99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000,
 244         103400,
 245         /* Index 890 - 899 */
 246         103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000,
 247         107400,
 248         /* Index 900 - 909 */
 249         107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
 250         111400,
 251         /* Index 910 - 919 */
 252         111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000,
 253         115400,
 254         /* Index 920 - 929 */
 255         115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000,
 256         119400,
 257         /* Index 930 - 939 */
 258         119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000,
 259         123400,
 260         /* Index 940 - 945 */
 261         123800, 124200, 124600, 124900, 125000, 125000,
 262 };
 263
 264 /* OMAP54xx ES2.0 data */
 265 const struct ti_bandgap_data omap5430_data = {
 266         .features = TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 267                         TI_BANDGAP_FEATURE_FREEZE_BIT |
 268                         TI_BANDGAP_FEATURE_TALERT |
 269                         TI_BANDGAP_FEATURE_COUNTER_DELAY |
 270                         TI_BANDGAP_FEATURE_HISTORY_BUFFER,
 271         .fclock_name = "l3instr_ts_gclk_div",
 272         .div_ck_name = "l3instr_ts_gclk_div",
 273         .conv_table = omap5430_adc_to_temp,
 274         .adc_start_val = OMAP5430_ADC_START_VALUE,
 275         .adc_end_val = OMAP5430_ADC_END_VALUE,
 276         .expose_sensor = ti_thermal_expose_sensor,
 277         .remove_sensor = ti_thermal_remove_sensor,
 278         .report_temperature = ti_thermal_report_sensor_temperature,
 279         .sensors = {
 280                 {
 281                 .registers = &omap5430_mpu_temp_sensor_registers,
 282                 .ts_data = &omap5430_mpu_temp_sensor_data,
 283                 .domain = "cpu",
 284                 .register_cooling = ti_thermal_register_cpu_cooling,
 285                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 286                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU,
 287                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU,
 288                 },
 289                 {
 290                 .registers = &omap5430_gpu_temp_sensor_registers,
 291                 .ts_data = &omap5430_gpu_temp_sensor_data,
 292                 .domain = "gpu",
 293                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU,
 294                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU,
 295                 },
 296                 {
 297                 .registers = &omap5430_core_temp_sensor_registers,
 298                 .ts_data = &omap5430_core_temp_sensor_data,
 299                 .domain = "core",
 300                 },
 301         },
 302         .sensor_count = 3,
 303 };