Eduardo Valentin | 949f5a5 | 2012-07-12 19:02:32 +0300 | [diff] [blame] | 1 | /* |
| 2 | * OMAP5 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 "omap-bandgap.h" |
| 20 | #include "omap-thermal.h" |
| 21 | |
| 22 | /* |
| 23 | * omap5430 has one instance of thermal sensor for MPU |
| 24 | * need to describe the individual bit fields |
| 25 | */ |
| 26 | static struct temp_sensor_registers |
| 27 | omap5430_mpu_temp_sensor_registers = { |
| 28 | .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET, |
| 29 | .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, |
| 30 | .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, |
| 31 | .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, |
| 32 | .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, |
| 33 | |
| 34 | .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, |
| 35 | .mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK, |
| 36 | .mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK, |
| 37 | |
| 38 | .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_MPU_OFFSET, |
| 39 | .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, |
| 40 | |
| 41 | .bgap_counter = OMAP5430_BGAP_COUNTER_MPU_OFFSET, |
| 42 | .counter_mask = OMAP5430_COUNTER_MASK, |
| 43 | |
| 44 | .bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET, |
| 45 | .threshold_thot_mask = OMAP5430_T_HOT_MASK, |
| 46 | .threshold_tcold_mask = OMAP5430_T_COLD_MASK, |
| 47 | |
| 48 | .tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET, |
| 49 | .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, |
| 50 | .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, |
| 51 | |
| 52 | .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, |
| 53 | .status_clean_stop_mask = 0x0, |
| 54 | .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, |
| 55 | .status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK, |
| 56 | .status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK, |
| 57 | |
| 58 | .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU, |
| 59 | }; |
| 60 | |
| 61 | /* |
| 62 | * omap5430 has one instance of thermal sensor for GPU |
| 63 | * need to describe the individual bit fields |
| 64 | */ |
| 65 | static struct temp_sensor_registers |
| 66 | omap5430_gpu_temp_sensor_registers = { |
| 67 | .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET, |
| 68 | .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, |
| 69 | .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, |
| 70 | .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, |
| 71 | .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, |
| 72 | |
| 73 | .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, |
| 74 | .mask_hot_mask = OMAP5430_MASK_HOT_MM_MASK, |
| 75 | .mask_cold_mask = OMAP5430_MASK_COLD_MM_MASK, |
| 76 | |
| 77 | .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_GPU_OFFSET, |
| 78 | .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, |
| 79 | |
| 80 | .bgap_counter = OMAP5430_BGAP_COUNTER_GPU_OFFSET, |
| 81 | .counter_mask = OMAP5430_COUNTER_MASK, |
| 82 | |
| 83 | .bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET, |
| 84 | .threshold_thot_mask = OMAP5430_T_HOT_MASK, |
| 85 | .threshold_tcold_mask = OMAP5430_T_COLD_MASK, |
| 86 | |
| 87 | .tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET, |
| 88 | .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, |
| 89 | .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, |
| 90 | |
| 91 | .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, |
| 92 | .status_clean_stop_mask = 0x0, |
| 93 | .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, |
| 94 | .status_hot_mask = OMAP5430_HOT_MM_FLAG_MASK, |
| 95 | .status_cold_mask = OMAP5430_COLD_MM_FLAG_MASK, |
| 96 | |
| 97 | .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU, |
| 98 | }; |
| 99 | |
| 100 | /* |
| 101 | * omap5430 has one instance of thermal sensor for CORE |
| 102 | * need to describe the individual bit fields |
| 103 | */ |
| 104 | static struct temp_sensor_registers |
| 105 | omap5430_core_temp_sensor_registers = { |
| 106 | .temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET, |
| 107 | .bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, |
| 108 | .bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, |
| 109 | .bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, |
| 110 | .bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, |
| 111 | |
| 112 | .bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, |
| 113 | .mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK, |
| 114 | .mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK, |
| 115 | |
| 116 | .bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_CORE_OFFSET, |
| 117 | .mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, |
| 118 | |
| 119 | .bgap_counter = OMAP5430_BGAP_COUNTER_CORE_OFFSET, |
| 120 | .counter_mask = OMAP5430_COUNTER_MASK, |
| 121 | |
| 122 | .bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET, |
| 123 | .threshold_thot_mask = OMAP5430_T_HOT_MASK, |
| 124 | .threshold_tcold_mask = OMAP5430_T_COLD_MASK, |
| 125 | |
| 126 | .tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET, |
| 127 | .tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, |
| 128 | .tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, |
| 129 | |
| 130 | .bgap_status = OMAP5430_BGAP_STATUS_OFFSET, |
| 131 | .status_clean_stop_mask = 0x0, |
| 132 | .status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, |
| 133 | .status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK, |
| 134 | .status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK, |
| 135 | |
| 136 | .bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE, |
| 137 | }; |
| 138 | |
| 139 | /* Thresholds and limits for OMAP5430 MPU temperature sensor */ |
| 140 | static struct temp_sensor_data omap5430_mpu_temp_sensor_data = { |
| 141 | .tshut_hot = OMAP5430_MPU_TSHUT_HOT, |
| 142 | .tshut_cold = OMAP5430_MPU_TSHUT_COLD, |
| 143 | .t_hot = OMAP5430_MPU_T_HOT, |
| 144 | .t_cold = OMAP5430_MPU_T_COLD, |
| 145 | .min_freq = OMAP5430_MPU_MIN_FREQ, |
| 146 | .max_freq = OMAP5430_MPU_MAX_FREQ, |
| 147 | .max_temp = OMAP5430_MPU_MAX_TEMP, |
| 148 | .min_temp = OMAP5430_MPU_MIN_TEMP, |
| 149 | .hyst_val = OMAP5430_MPU_HYST_VAL, |
| 150 | .adc_start_val = OMAP5430_ADC_START_VALUE, |
| 151 | .adc_end_val = OMAP5430_ADC_END_VALUE, |
| 152 | .update_int1 = 1000, |
| 153 | .update_int2 = 2000, |
| 154 | }; |
| 155 | |
| 156 | /* Thresholds and limits for OMAP5430 GPU temperature sensor */ |
| 157 | static struct temp_sensor_data omap5430_gpu_temp_sensor_data = { |
| 158 | .tshut_hot = OMAP5430_GPU_TSHUT_HOT, |
| 159 | .tshut_cold = OMAP5430_GPU_TSHUT_COLD, |
| 160 | .t_hot = OMAP5430_GPU_T_HOT, |
| 161 | .t_cold = OMAP5430_GPU_T_COLD, |
| 162 | .min_freq = OMAP5430_GPU_MIN_FREQ, |
| 163 | .max_freq = OMAP5430_GPU_MAX_FREQ, |
| 164 | .max_temp = OMAP5430_GPU_MAX_TEMP, |
| 165 | .min_temp = OMAP5430_GPU_MIN_TEMP, |
| 166 | .hyst_val = OMAP5430_GPU_HYST_VAL, |
| 167 | .adc_start_val = OMAP5430_ADC_START_VALUE, |
| 168 | .adc_end_val = OMAP5430_ADC_END_VALUE, |
| 169 | .update_int1 = 1000, |
| 170 | .update_int2 = 2000, |
| 171 | }; |
| 172 | |
| 173 | /* Thresholds and limits for OMAP5430 CORE temperature sensor */ |
| 174 | static struct temp_sensor_data omap5430_core_temp_sensor_data = { |
| 175 | .tshut_hot = OMAP5430_CORE_TSHUT_HOT, |
| 176 | .tshut_cold = OMAP5430_CORE_TSHUT_COLD, |
| 177 | .t_hot = OMAP5430_CORE_T_HOT, |
| 178 | .t_cold = OMAP5430_CORE_T_COLD, |
| 179 | .min_freq = OMAP5430_CORE_MIN_FREQ, |
| 180 | .max_freq = OMAP5430_CORE_MAX_FREQ, |
| 181 | .max_temp = OMAP5430_CORE_MAX_TEMP, |
| 182 | .min_temp = OMAP5430_CORE_MIN_TEMP, |
| 183 | .hyst_val = OMAP5430_CORE_HYST_VAL, |
| 184 | .adc_start_val = OMAP5430_ADC_START_VALUE, |
| 185 | .adc_end_val = OMAP5430_ADC_END_VALUE, |
| 186 | .update_int1 = 1000, |
| 187 | .update_int2 = 2000, |
| 188 | }; |
| 189 | |
| 190 | static const int |
| 191 | omap5430_adc_to_temp[OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = { |
| 192 | -40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, |
| 193 | -38200, -37800, -37300, -36800, |
| 194 | -36400, -36000, -35600, -35200, -34800, -34300, -33800, -33400, -33000, |
| 195 | -32600, |
| 196 | -32200, -31800, -31300, -30800, -30400, -30000, -29600, -29200, -28700, |
| 197 | -28200, -27800, -27400, -27000, -26600, -26200, -25700, -25200, -24800, |
| 198 | -24400, -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000, |
| 199 | -20600, -20200, -19700, -19200, -9300, -18400, -18000, -17600, -17200, |
| 200 | -16700, -16200, -15800, -15400, -15000, -14600, -14200, -13700, -13200, |
| 201 | -12800, -12400, -12000, -11600, -11200, -10700, -10200, -9800, -9400, |
| 202 | -9000, |
| 203 | -8600, -8200, -7700, -7200, -6800, -6400, -6000, -5600, -5200, -4800, |
| 204 | -4300, |
| 205 | -3800, -3400, -3000, -2600, -2200, -1800, -1300, -800, -400, 0, 400, |
| 206 | 800, |
| 207 | 1200, 1600, 2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, |
| 208 | 6400, 6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10800, |
| 209 | 11100, |
| 210 | 11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800, 15300, |
| 211 | 15800, |
| 212 | 16200, 16600, 17000, 17400, 17800, 18200, 18700, 19200, 19600, 20000, |
| 213 | 20400, |
| 214 | 20800, 21200, 21600, 22100, 22600, 23000, 23400, 23800, 24200, 24600, |
| 215 | 25000, |
| 216 | 25400, 25900, 26400, 26800, 27200, 27600, 28000, 28400, 28800, 29300, |
| 217 | 29800, |
| 218 | 30200, 30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000, |
| 219 | 34400, |
| 220 | 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800, 38200, 38600, |
| 221 | 39000, |
| 222 | 39400, 39800, 40200, 40600, 41100, 41600, 42000, 42400, 42800, 43200, |
| 223 | 43600, |
| 224 | 44000, 44400, 44800, 45300, 45800, 46200, 46600, 47000, 47400, 47800, |
| 225 | 48200, |
| 226 | 48600, 49000, 49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, |
| 227 | 52800, |
| 228 | 53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600, 57000, |
| 229 | 57400, |
| 230 | 57800, 58200, 58700, 59200, 59600, 60000, 60400, 60800, 61200, 61600, |
| 231 | 62000, |
| 232 | 62400, 62800, 63300, 63800, 64200, 64600, 65000, 65400, 65800, 66200, |
| 233 | 66600, |
| 234 | 67000, 67400, 67800, 68200, 68700, 69200, 69600, 70000, 70400, 70800, |
| 235 | 71200, |
| 236 | 71600, 72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400, |
| 237 | 75800, |
| 238 | 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, 79400, 79800, |
| 239 | 80300, |
| 240 | 80800, 81200, 81600, 82000, 82400, 82800, 83200, 83600, 84000, 84400, |
| 241 | 84800, |
| 242 | 85200, 85600, 86000, 86400, 86800, 87300, 87800, 88200, 88600, 89000, |
| 243 | 89400, |
| 244 | 89800, 90200, 90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, |
| 245 | 93800, |
| 246 | 94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600, 98000, |
| 247 | 98400, |
| 248 | 98800, 99200, 99600, 100000, 100400, 100800, 101200, 101600, 102000, |
| 249 | 102400, |
| 250 | 102800, 103200, 103600, 104000, 104400, 104800, 105200, 105600, 106100, |
| 251 | 106600, 107000, 107400, 107800, 108200, 108600, 109000, 109400, 109800, |
| 252 | 110200, 110600, 111000, 111400, 111800, 112200, 112600, 113000, 113400, |
| 253 | 113800, 114200, 114600, 115000, 115400, 115800, 116200, 116600, 117000, |
| 254 | 117400, 117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600, |
| 255 | 121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200, |
| 256 | 124600, 124900, 125000, 125000, 125000, 125000, |
| 257 | }; |
| 258 | |
| 259 | const struct omap_bandgap_data omap5430_data = { |
| 260 | .features = OMAP_BANDGAP_FEATURE_TSHUT_CONFIG | |
| 261 | OMAP_BANDGAP_FEATURE_TALERT | |
| 262 | OMAP_BANDGAP_FEATURE_MODE_CONFIG | |
| 263 | OMAP_BANDGAP_FEATURE_COUNTER, |
| 264 | .fclock_name = "ts_clk_div_ck", |
| 265 | .div_ck_name = "ts_clk_div_ck", |
| 266 | .conv_table = omap5430_adc_to_temp, |
| 267 | .expose_sensor = omap_thermal_expose_sensor, |
| 268 | .remove_sensor = omap_thermal_remove_sensor, |
| 269 | .sensors = { |
| 270 | { |
Eduardo Valentin | cff860f | 2012-09-11 19:06:53 +0300 | [diff] [blame^] | 271 | .registers = &omap5430_mpu_temp_sensor_registers, |
| 272 | .ts_data = &omap5430_mpu_temp_sensor_data, |
| 273 | .domain = "cpu", |
| 274 | .register_cooling = omap_thermal_register_cpu_cooling, |
| 275 | .unregister_cooling = omap_thermal_unregister_cpu_cooling, |
| 276 | .slope = OMAP_GRADIENT_SLOPE_5430_CPU, |
| 277 | .constant = OMAP_GRADIENT_CONST_5430_CPU, |
| 278 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU, |
| 279 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU, |
Eduardo Valentin | 949f5a5 | 2012-07-12 19:02:32 +0300 | [diff] [blame] | 280 | }, |
| 281 | { |
Eduardo Valentin | cff860f | 2012-09-11 19:06:53 +0300 | [diff] [blame^] | 282 | .registers = &omap5430_gpu_temp_sensor_registers, |
| 283 | .ts_data = &omap5430_gpu_temp_sensor_data, |
| 284 | .domain = "gpu", |
| 285 | .slope = OMAP_GRADIENT_SLOPE_5430_GPU, |
| 286 | .constant = OMAP_GRADIENT_CONST_5430_GPU, |
| 287 | .slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU, |
| 288 | .constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU, |
Eduardo Valentin | 949f5a5 | 2012-07-12 19:02:32 +0300 | [diff] [blame] | 289 | }, |
| 290 | { |
Eduardo Valentin | cff860f | 2012-09-11 19:06:53 +0300 | [diff] [blame^] | 291 | .registers = &omap5430_core_temp_sensor_registers, |
| 292 | .ts_data = &omap5430_core_temp_sensor_data, |
| 293 | .domain = "core", |
Eduardo Valentin | 949f5a5 | 2012-07-12 19:02:32 +0300 | [diff] [blame] | 294 | }, |
| 295 | }, |
| 296 | .sensor_count = 3, |
| 297 | }; |