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

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * OMAP5 thermal driver.
0004  *
0005  * Copyright (C) 2011-2012 Texas Instruments Inc.
0006  * Contact:
0007  *  Eduardo Valentin <eduardo.valentin@ti.com>
0008  */
0009
0010 #include "ti-thermal.h"
0011 #include "ti-bandgap.h"
0012 #include "omap5xxx-bandgap.h"
0013
0014 /*
0015  * OMAP5430 has three instances of thermal sensor for MPU, GPU & CORE,
0016  * need to describe the individual registers and bit fields.
0017  */
0018
0019 /*
0020  * OMAP5430 MPU thermal sensor register offset and bit-fields
0021  */
0022 static struct temp_sensor_registers
0023 omap5430_mpu_temp_sensor_registers = {
0024     .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET,
0025     .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
0026     .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
0027     .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
0028
0029     .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
0030     .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK,
0031     .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK,
0032     .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
0033     .mask_freeze_mask = OMAP5430_MASK_FREEZE_MPU_MASK,
0034
0035     .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
0036     .counter_mask = OMAP5430_COUNTER_MASK,
0037
0038     .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET,
0039     .threshold_thot_mask = OMAP5430_T_HOT_MASK,
0040     .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
0041
0042     .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET,
0043     .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
0044     .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
0045
0046     .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
0047     .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK,
0048     .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK,
0049
0050     .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_MPU_1_OFFSET,
0051     .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_MPU_2_OFFSET,
0052     .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU,
0053 };
0054
0055 /*
0056  * OMAP5430 GPU thermal sensor register offset and bit-fields
0057  */
0058 static struct temp_sensor_registers
0059 omap5430_gpu_temp_sensor_registers = {
0060     .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET,
0061     .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
0062     .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
0063     .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
0064
0065     .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
0066     .mask_hot_mask = OMAP5430_MASK_HOT_GPU_MASK,
0067     .mask_cold_mask = OMAP5430_MASK_COLD_GPU_MASK,
0068     .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
0069     .mask_freeze_mask = OMAP5430_MASK_FREEZE_GPU_MASK,
0070
0071     .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
0072     .counter_mask = OMAP5430_COUNTER_MASK,
0073
0074     .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET,
0075     .threshold_thot_mask = OMAP5430_T_HOT_MASK,
0076     .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
0077
0078     .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET,
0079     .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
0080     .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
0081
0082     .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
0083     .status_hot_mask = OMAP5430_HOT_GPU_FLAG_MASK,
0084     .status_cold_mask = OMAP5430_COLD_GPU_FLAG_MASK,
0085
0086     .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_GPU_1_OFFSET,
0087     .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_GPU_2_OFFSET,
0088
0089     .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU,
0090 };
0091
0092 /*
0093  * OMAP5430 CORE thermal sensor register offset and bit-fields
0094  */
0095 static struct temp_sensor_registers
0096 omap5430_core_temp_sensor_registers = {
0097     .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET,
0098     .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK,
0099     .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK,
0100     .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK,
0101
0102     .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET,
0103     .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK,
0104     .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK,
0105     .mask_counter_delay_mask = OMAP5430_MASK_COUNTER_DELAY_MASK,
0106     .mask_freeze_mask = OMAP5430_MASK_FREEZE_CORE_MASK,
0107
0108     .bgap_counter = OMAP5430_BGAP_CTRL_OFFSET,
0109     .counter_mask = OMAP5430_COUNTER_MASK,
0110
0111     .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET,
0112     .threshold_thot_mask = OMAP5430_T_HOT_MASK,
0113     .threshold_tcold_mask = OMAP5430_T_COLD_MASK,
0114
0115     .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET,
0116     .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK,
0117     .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK,
0118
0119     .bgap_status = OMAP5430_BGAP_STATUS_OFFSET,
0120     .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK,
0121     .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK,
0122
0123     .ctrl_dtemp_1 = OMAP5430_BGAP_DTEMP_CORE_1_OFFSET,
0124     .ctrl_dtemp_2 = OMAP5430_BGAP_DTEMP_CORE_2_OFFSET,
0125
0126     .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE,
0127 };
0128
0129 /* Thresholds and limits for OMAP5430 MPU temperature sensor */
0130 static struct temp_sensor_data omap5430_mpu_temp_sensor_data = {
0131     .tshut_hot = OMAP5430_MPU_TSHUT_HOT,
0132     .tshut_cold = OMAP5430_MPU_TSHUT_COLD,
0133     .t_hot = OMAP5430_MPU_T_HOT,
0134     .t_cold = OMAP5430_MPU_T_COLD,
0135     .min_freq = OMAP5430_MPU_MIN_FREQ,
0136     .max_freq = OMAP5430_MPU_MAX_FREQ,
0137 };
0138
0139 /* Thresholds and limits for OMAP5430 GPU temperature sensor */
0140 static struct temp_sensor_data omap5430_gpu_temp_sensor_data = {
0141     .tshut_hot = OMAP5430_GPU_TSHUT_HOT,
0142     .tshut_cold = OMAP5430_GPU_TSHUT_COLD,
0143     .t_hot = OMAP5430_GPU_T_HOT,
0144     .t_cold = OMAP5430_GPU_T_COLD,
0145     .min_freq = OMAP5430_GPU_MIN_FREQ,
0146     .max_freq = OMAP5430_GPU_MAX_FREQ,
0147 };
0148
0149 /* Thresholds and limits for OMAP5430 CORE temperature sensor */
0150 static struct temp_sensor_data omap5430_core_temp_sensor_data = {
0151     .tshut_hot = OMAP5430_CORE_TSHUT_HOT,
0152     .tshut_cold = OMAP5430_CORE_TSHUT_COLD,
0153     .t_hot = OMAP5430_CORE_T_HOT,
0154     .t_cold = OMAP5430_CORE_T_COLD,
0155     .min_freq = OMAP5430_CORE_MIN_FREQ,
0156     .max_freq = OMAP5430_CORE_MAX_FREQ,
0157 };
0158
0159 /*
0160  * OMAP54xx ES2.0 : Temperature values in milli degree celsius
0161  * ADC code values from 540 to 945
0162  */
0163 static int
0164 omap5430_adc_to_temp[
0165     OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = {
0166     /* Index 540 - 549 */
0167     -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
0168     -37800,
0169     /* Index 550 - 559 */
0170     -37400, -37000, -36600, -36200, -35800, -35300, -34700, -34200, -33800,
0171     -33400,
0172     /* Index 560 - 569 */
0173     -33000, -32600, -32200, -31800, -31400, -31000, -30600, -30200, -29800,
0174     -29400,
0175     /* Index 570 - 579 */
0176     -29000, -28600, -28200, -27700, -27100, -26600, -26200, -25800, -25400,
0177     -25000,
0178     /* Index 580 - 589 */
0179     -24600, -24200, -23800, -23400, -23000, -22600, -22200, -21600, -21400,
0180     -21000,
0181     /* Index 590 - 599 */
0182     -20500, -19900, -19400, -19000, -18600, -18200, -17800, -17400, -17000,
0183     -16600,
0184     /* Index 600 - 609 */
0185     -16200, -15800, -15400, -15000, -14600, -14200, -13800, -13400, -13000,
0186     -12500,
0187     /* Index 610 - 619 */
0188     -11900, -11400, -11000, -10600, -10200, -9800, -9400, -9000, -8600,
0189     -8200,
0190     /* Index 620 - 629 */
0191     -7800, -7400, -7000, -6600, -6200, -5800, -5400, -5000, -4500, -3900,
0192     /* Index 630 - 639 */
0193     -3400, -3000, -2600, -2200, -1800, -1400, -1000, -600, -200, 200,
0194     /* Index 640 - 649 */
0195     600, 1000, 1400, 1800, 2200, 2600, 3000, 3400, 3900, 4500,
0196     /* Index 650 - 659 */
0197     5000, 5400, 5800, 6200, 6600, 7000, 7400, 7800, 8200, 8600,
0198     /* Index 660 - 669 */
0199     9000, 9400, 9800, 10200, 10600, 11000, 11400, 11800, 12200, 12700,
0200     /* Index 670 - 679 */
0201     13300, 13800, 14200, 14600, 15000, 15400, 15800, 16200, 16600, 17000,
0202     /* Index 680 - 689 */
0203     17400, 17800, 18200, 18600, 19000, 19400, 19800, 20200, 20600, 21100,
0204     /* Index 690 - 699 */
0205     21400, 21900, 22500, 23000, 23400, 23800, 24200, 24600, 25000, 25400,
0206     /* Index 700 - 709 */
0207     25800, 26200, 26600, 27000, 27400, 27800, 28200, 28600, 29000, 29400,
0208     /* Index 710 - 719 */
0209     29800, 30200, 30600, 31000, 31400, 31900, 32500, 33000, 33400, 33800,
0210     /* Index 720 - 729 */
0211     34200, 34600, 35000, 35400, 35800, 36200, 36600, 37000, 37400, 37800,
0212     /* Index 730 - 739 */
0213     38200, 38600, 39000, 39400, 39800, 40200, 40600, 41000, 41400, 41800,
0214     /* Index 740 - 749 */
0215     42200, 42600, 43100, 43700, 44200, 44600, 45000, 45400, 45800, 46200,
0216     /* Index 750 - 759 */
0217     46600, 47000, 47400, 47800, 48200, 48600, 49000, 49400, 49800, 50200,
0218     /* Index 760 - 769 */
0219     50600, 51000, 51400, 51800, 52200, 52600, 53000, 53400, 53800, 54200,
0220     /* Index 770 - 779 */
0221     54600, 55000, 55400, 55900, 56500, 57000, 57400, 57800, 58200, 58600,
0222     /* Index 780 - 789 */
0223     59000, 59400, 59800, 60200, 60600, 61000, 61400, 61800, 62200, 62600,
0224     /* Index 790 - 799 */
0225     63000, 63400, 63800, 64200, 64600, 65000, 65400, 65800, 66200, 66600,
0226     /* Index 800 - 809 */
0227     67000, 67400, 67800, 68200, 68600, 69000, 69400, 69800, 70200, 70600,
0228     /* Index 810 - 819 */
0229     71000, 71500, 72100, 72600, 73000, 73400, 73800, 74200, 74600, 75000,
0230     /* Index 820 - 829 */
0231     75400, 75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
0232     /* Index 830 - 839 */
0233     79400, 79800, 80200, 80600, 81000, 81400, 81800, 82200, 82600, 83000,
0234     /* Index 840 - 849 */
0235     83400, 83800, 84200, 84600, 85000, 85400, 85800, 86200, 86600, 87000,
0236     /* Index 850 - 859 */
0237     87400, 87800, 88200, 88600, 89000, 89400, 89800, 90200, 90600, 91000,
0238     /* Index 860 - 869 */
0239     91400, 91800, 92200, 92600, 93000, 93400, 93800, 94200, 94600, 95000,
0240     /* Index 870 - 879 */
0241     95400, 95800, 96200, 96600, 97000, 97500, 98100, 98600, 99000, 99400,
0242     /* Index 880 - 889 */
0243     99800, 100200, 100600, 101000, 101400, 101800, 102200, 102600, 103000,
0244     103400,
0245     /* Index 890 - 899 */
0246     103800, 104200, 104600, 105000, 105400, 105800, 106200, 106600, 107000,
0247     107400,
0248     /* Index 900 - 909 */
0249     107800, 108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
0250     111400,
0251     /* Index 910 - 919 */
0252     111800, 112200, 112600, 113000, 113400, 113800, 114200, 114600, 115000,
0253     115400,
0254     /* Index 920 - 929 */
0255     115800, 116200, 116600, 117000, 117400, 117800, 118200, 118600, 119000,
0256     119400,
0257     /* Index 930 - 939 */
0258     119800, 120200, 120600, 121000, 121400, 121800, 122400, 122600, 123000,
0259     123400,
0260     /* Index 940 - 945 */
0261     123800, 124200, 124600, 124900, 125000, 125000,
0262 };
0263
0264 /* OMAP54xx ES2.0 data */
0265 const struct ti_bandgap_data omap5430_data = {
0266     .features = TI_BANDGAP_FEATURE_TSHUT_CONFIG |
0267             TI_BANDGAP_FEATURE_FREEZE_BIT |
0268             TI_BANDGAP_FEATURE_TALERT |
0269             TI_BANDGAP_FEATURE_COUNTER_DELAY |
0270             TI_BANDGAP_FEATURE_HISTORY_BUFFER,
0271     .fclock_name = "l3instr_ts_gclk_div",
0272     .div_ck_name = "l3instr_ts_gclk_div",
0273     .conv_table = omap5430_adc_to_temp,
0274     .adc_start_val = OMAP5430_ADC_START_VALUE,
0275     .adc_end_val = OMAP5430_ADC_END_VALUE,
0276     .expose_sensor = ti_thermal_expose_sensor,
0277     .remove_sensor = ti_thermal_remove_sensor,
0278     .report_temperature = ti_thermal_report_sensor_temperature,
0279     .sensors = {
0280         {
0281         .registers = &omap5430_mpu_temp_sensor_registers,
0282         .ts_data = &omap5430_mpu_temp_sensor_data,
0283         .domain = "cpu",
0284         .register_cooling = ti_thermal_register_cpu_cooling,
0285         .unregister_cooling = ti_thermal_unregister_cpu_cooling,
0286         .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU,
0287         .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU,
0288         },
0289         {
0290         .registers = &omap5430_gpu_temp_sensor_registers,
0291         .ts_data = &omap5430_gpu_temp_sensor_data,
0292         .domain = "gpu",
0293         .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU,
0294         .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU,
0295         },
0296         {
0297         .registers = &omap5430_core_temp_sensor_registers,
0298         .ts_data = &omap5430_core_temp_sensor_data,
0299         .domain = "core",
0300         },
0301     },
0302     .sensor_count = 3,
0303 };