drivers/thermal/ti-soc-thermal/omap4-thermal-data.c

   1 /*
   2  * OMAP4 thermal driver.
   3  *
   4  * Copyright (C) 2011-2012 Texas Instruments Inc.
   5  * Contact:
   6  *      Eduardo Valentin <eduardo.valentin@ti.com>
   7  *
   8  * This software is licensed under the terms of the GNU General Public
   9  * License version 2, as published by the Free Software Foundation, and
  10  * may be copied, distributed, and modified under those terms.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  */
  18
  19 #include "ti-thermal.h"
  20 #include "ti-bandgap.h"
  21 #include "omap4xxx-bandgap.h"
  22
  23 /*
  24  * OMAP4430 has one instance of thermal sensor for MPU
  25  * need to describe the individual bit fields
  26  */
  27 static struct temp_sensor_registers
  28 omap4430_mpu_temp_sensor_registers = {
  29         .temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,
  30         .bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK,
  31         .bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK,
  32         .bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK,
  33         .bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK,
  34
  35         .bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,
  36         .mode_ctrl_mask = OMAP4430_SINGLE_MODE_MASK,
  37
  38         .bgap_efuse = OMAP4430_FUSE_OPP_BGAP,
  39 };
  40
  41 /* Thresholds and limits for OMAP4430 MPU temperature sensor */
  42 static struct temp_sensor_data omap4430_mpu_temp_sensor_data = {
  43         .min_freq = OMAP4430_MIN_FREQ,
  44         .max_freq = OMAP4430_MAX_FREQ,
  45         .max_temp = OMAP4430_MAX_TEMP,
  46         .min_temp = OMAP4430_MIN_TEMP,
  47         .hyst_val = OMAP4430_HYST_VAL,
  48 };
  49
  50 /*
  51  * Temperature values in milli degree celsius
  52  * ADC code values from 530 to 923
  53  */
  54 static const int
  55 omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = {
  56         -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000,
  57         -20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000,
  58         -5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000,
  59         13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000,
  60         32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000,
  61         48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000,
  62         66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000,
  63         83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000,
  64         100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000,
  65         117000, 118000, 120000, 122000, 123000,
  66 };
  67
  68 /* OMAP4430 data */
  69 const struct ti_bandgap_data omap4430_data = {
  70         .features = TI_BANDGAP_FEATURE_MODE_CONFIG |
  71                         TI_BANDGAP_FEATURE_CLK_CTRL |
  72                         TI_BANDGAP_FEATURE_POWER_SWITCH,
  73         .fclock_name = "bandgap_fclk",
  74         .div_ck_name = "bandgap_fclk",
  75         .conv_table = omap4430_adc_to_temp,
  76         .adc_start_val = OMAP4430_ADC_START_VALUE,
  77         .adc_end_val = OMAP4430_ADC_END_VALUE,
  78         .expose_sensor = ti_thermal_expose_sensor,
  79         .remove_sensor = ti_thermal_remove_sensor,
  80         .sensors = {
  81                 {
  82                 .registers = &omap4430_mpu_temp_sensor_registers,
  83                 .ts_data = &omap4430_mpu_temp_sensor_data,
  84                 .domain = "cpu",
  85                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4430,
  86                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4430,
  87                 .register_cooling = ti_thermal_register_cpu_cooling,
  88                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
  89                 },
  90         },
  91         .sensor_count = 1,
  92 };
  93 /*
  94  * OMAP4460 has one instance of thermal sensor for MPU
  95  * need to describe the individual bit fields
  96  */
  97 static struct temp_sensor_registers
  98 omap4460_mpu_temp_sensor_registers = {
  99         .temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET,
 100         .bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK,
 101         .bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK,
 102         .bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK,
 103         .bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK,
 104
 105         .bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
 106         .mask_hot_mask = OMAP4460_MASK_HOT_MASK,
 107         .mask_cold_mask = OMAP4460_MASK_COLD_MASK,
 108
 109         .bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET,
 110         .mode_ctrl_mask = OMAP4460_SINGLE_MODE_MASK,
 111
 112         .bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET,
 113         .counter_mask = OMAP4460_COUNTER_MASK,
 114
 115         .bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET,
 116         .threshold_thot_mask = OMAP4460_T_HOT_MASK,
 117         .threshold_tcold_mask = OMAP4460_T_COLD_MASK,
 118
 119         .tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET,
 120         .tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK,
 121         .tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK,
 122
 123         .bgap_status = OMAP4460_BGAP_STATUS_OFFSET,
 124         .status_clean_stop_mask = OMAP4460_CLEAN_STOP_MASK,
 125         .status_bgap_alert_mask = OMAP4460_BGAP_ALERT_MASK,
 126         .status_hot_mask = OMAP4460_HOT_FLAG_MASK,
 127         .status_cold_mask = OMAP4460_COLD_FLAG_MASK,
 128
 129         .bgap_efuse = OMAP4460_FUSE_OPP_BGAP,
 130 };
 131
 132 /* Thresholds and limits for OMAP4460 MPU temperature sensor */
 133 static struct temp_sensor_data omap4460_mpu_temp_sensor_data = {
 134         .tshut_hot = OMAP4460_TSHUT_HOT,
 135         .tshut_cold = OMAP4460_TSHUT_COLD,
 136         .t_hot = OMAP4460_T_HOT,
 137         .t_cold = OMAP4460_T_COLD,
 138         .min_freq = OMAP4460_MIN_FREQ,
 139         .max_freq = OMAP4460_MAX_FREQ,
 140         .max_temp = OMAP4460_MAX_TEMP,
 141         .min_temp = OMAP4460_MIN_TEMP,
 142         .hyst_val = OMAP4460_HYST_VAL,
 143         .update_int1 = 1000,
 144         .update_int2 = 2000,
 145 };
 146
 147 /*
 148  * Temperature values in milli degree celsius
 149  * ADC code values from 530 to 923
 150  */
 151 static const int
 152 omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = {
 153         -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,
 154         -37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800,
 155         -34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300,
 156         -30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800,
 157         -27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400,
 158         -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000,
 159         -20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600,
 160         -17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200,
 161         -13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700,
 162         -10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800,
 163         -6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000,
 164         -2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600,
 165         2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400,
 166         6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000,
 167         11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800,
 168         15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700,
 169         19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600,
 170         23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400,
 171         26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200,
 172         30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000,
 173         34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800,
 174         38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600,
 175         42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300,
 176         45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000,
 177         49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800,
 178         53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600,
 179         57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400,
 180         60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200,
 181         64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800,
 182         68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600,
 183         72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400,
 184         75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,
 185         79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800,
 186         83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400,
 187         86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200,
 188         90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800,
 189         94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600,
 190         98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200,
 191         101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400,
 192         104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800,
 193         108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,
 194         111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200,
 195         114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400,
 196         117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600,
 197         121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200,
 198         124600, 124900, 125000, 125000, 125000, 125000
 199 };
 200
 201 /* OMAP4460 data */
 202 const struct ti_bandgap_data omap4460_data = {
 203         .features = TI_BANDGAP_FEATURE_TSHUT |
 204                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 205                         TI_BANDGAP_FEATURE_TALERT |
 206                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 207                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 208                         TI_BANDGAP_FEATURE_CLK_CTRL |
 209                         TI_BANDGAP_FEATURE_COUNTER,
 210         .fclock_name = "bandgap_ts_fclk",
 211         .div_ck_name = "div_ts_ck",
 212         .conv_table = omap4460_adc_to_temp,
 213         .adc_start_val = OMAP4460_ADC_START_VALUE,
 214         .adc_end_val = OMAP4460_ADC_END_VALUE,
 215         .expose_sensor = ti_thermal_expose_sensor,
 216         .remove_sensor = ti_thermal_remove_sensor,
 217         .report_temperature = ti_thermal_report_sensor_temperature,
 218         .sensors = {
 219                 {
 220                 .registers = &omap4460_mpu_temp_sensor_registers,
 221                 .ts_data = &omap4460_mpu_temp_sensor_data,
 222                 .domain = "cpu",
 223                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460,
 224                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460,
 225                 .register_cooling = ti_thermal_register_cpu_cooling,
 226                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 227                 },
 228         },
 229         .sensor_count = 1,
 230 };
 231
 232 /* OMAP4470 data */
 233 const struct ti_bandgap_data omap4470_data = {
 234         .features = TI_BANDGAP_FEATURE_TSHUT |
 235                         TI_BANDGAP_FEATURE_TSHUT_CONFIG |
 236                         TI_BANDGAP_FEATURE_TALERT |
 237                         TI_BANDGAP_FEATURE_MODE_CONFIG |
 238                         TI_BANDGAP_FEATURE_POWER_SWITCH |
 239                         TI_BANDGAP_FEATURE_CLK_CTRL |
 240                         TI_BANDGAP_FEATURE_COUNTER,
 241         .fclock_name = "bandgap_ts_fclk",
 242         .div_ck_name = "div_ts_ck",
 243         .conv_table = omap4460_adc_to_temp,
 244         .adc_start_val = OMAP4460_ADC_START_VALUE,
 245         .adc_end_val = OMAP4460_ADC_END_VALUE,
 246         .expose_sensor = ti_thermal_expose_sensor,
 247         .remove_sensor = ti_thermal_remove_sensor,
 248         .report_temperature = ti_thermal_report_sensor_temperature,
 249         .sensors = {
 250                 {
 251                 .registers = &omap4460_mpu_temp_sensor_registers,
 252                 .ts_data = &omap4460_mpu_temp_sensor_data,
 253                 .domain = "cpu",
 254                 .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470,
 255                 .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470,
 256                 .register_cooling = ti_thermal_register_cpu_cooling,
 257                 .unregister_cooling = ti_thermal_unregister_cpu_cooling,
 258                 },
 259         },
 260         .sensor_count = 1,
 261 };