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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2015, The Linux Foundation. All rights reserved. */ #ifndef __QCOM_TSENS_H__ #define __QCOM_TSENS_H__ #define ONE_PT_CALIB 0x1 #define ONE_PT_CALIB2 0x2 #define TWO_PT_CALIB 0x3 #define CAL_DEGC_PT1 30 #define CAL_DEGC_PT2 120 #define SLOPE_FACTOR 1000 #define SLOPE_DEFAULT 3200 #include <linux/thermal.h> #include <linux/regmap.h> #include <linux/slab.h> struct tsens_priv; enum tsens_ver { VER_0_1 = 0, VER_1_X, VER_2_X, }; /** * struct tsens_sensor - data for each sensor connected to the tsens device * @priv: tsens device instance that this sensor is connected to * @tzd: pointer to the thermal zone that this sensor is in * @offset: offset of temperature adjustment curve * @id: Sensor ID * @hw_id: HW ID can be used in case of platform-specific IDs * @slope: slope of temperature adjustment curve * @status: 8960-specific variable to track 8960 and 8660 status register offset */ struct tsens_sensor { struct tsens_priv *priv; struct thermal_zone_device *tzd; int offset; unsigned int id; unsigned int hw_id; int slope; u32 status; }; /** * struct tsens_ops - operations as supported by the tsens device * @init: Function to initialize the tsens device * @calibrate: Function to calibrate the tsens device * @get_temp: Function which returns the temp in millidegC * @enable: Function to enable (clocks/power) tsens device * @disable: Function to disable the tsens device * @suspend: Function to suspend the tsens device * @resume: Function to resume the tsens device * @get_trend: Function to get the thermal/temp trend */ struct tsens_ops { /* mandatory callbacks */ int (*init)(struct tsens_priv *priv); int (*calibrate)(struct tsens_priv *priv); int (*get_temp)(struct tsens_priv *priv, int i, int *temp); /* optional callbacks */ int (*enable)(struct tsens_priv *priv, int i); void (*disable)(struct tsens_priv *priv); int (*suspend)(struct tsens_priv *priv); int (*resume)(struct tsens_priv *priv); int (*get_trend)(struct tsens_priv *priv, int i, enum thermal_trend *trend); }; #define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \ [_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \ [_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \ [_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \ [_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \ [_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \ [_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \ [_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \ [_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \ [_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \ [_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \ [_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit) #define REG_FIELD_FOR_EACH_SENSOR16(_name, _offset, _startbit, _stopbit) \ [_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \ [_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \ [_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \ [_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \ [_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \ [_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \ [_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \ [_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \ [_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \ [_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \ [_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit), \ [_name##_##11] = REG_FIELD(_offset + 44, _startbit, _stopbit), \ [_name##_##12] = REG_FIELD(_offset + 48, _startbit, _stopbit), \ [_name##_##13] = REG_FIELD(_offset + 52, _startbit, _stopbit), \ [_name##_##14] = REG_FIELD(_offset + 56, _startbit, _stopbit), \ [_name##_##15] = REG_FIELD(_offset + 60, _startbit, _stopbit) /* reg_field IDs to use as an index into an array */ enum regfield_ids { /* ----- SROT ------ */ /* HW_VER */ VER_MAJOR = 0, VER_MINOR, VER_STEP, /* CTRL_OFFSET */ TSENS_EN = 3, TSENS_SW_RST, SENSOR_EN, CODE_OR_TEMP, /* ----- TM ------ */ /* STATUS */ LAST_TEMP_0 = 7, /* Last temperature reading */ LAST_TEMP_1, LAST_TEMP_2, LAST_TEMP_3, LAST_TEMP_4, LAST_TEMP_5, LAST_TEMP_6, LAST_TEMP_7, LAST_TEMP_8, LAST_TEMP_9, LAST_TEMP_10, LAST_TEMP_11, LAST_TEMP_12, LAST_TEMP_13, LAST_TEMP_14, LAST_TEMP_15, VALID_0 = 23, /* VALID reading or not */ VALID_1, VALID_2, VALID_3, VALID_4, VALID_5, VALID_6, VALID_7, VALID_8, VALID_9, VALID_10, VALID_11, VALID_12, VALID_13, VALID_14, VALID_15, MIN_STATUS_0, /* MIN threshold violated */ MIN_STATUS_1, MIN_STATUS_2, MIN_STATUS_3, MIN_STATUS_4, MIN_STATUS_5, MIN_STATUS_6, MIN_STATUS_7, MIN_STATUS_8, MIN_STATUS_9, MIN_STATUS_10, MIN_STATUS_11, MIN_STATUS_12, MIN_STATUS_13, MIN_STATUS_14, MIN_STATUS_15, MAX_STATUS_0, /* MAX threshold violated */ MAX_STATUS_1, MAX_STATUS_2, MAX_STATUS_3, MAX_STATUS_4, MAX_STATUS_5, MAX_STATUS_6, MAX_STATUS_7, MAX_STATUS_8, MAX_STATUS_9, MAX_STATUS_10, MAX_STATUS_11, MAX_STATUS_12, MAX_STATUS_13, MAX_STATUS_14, MAX_STATUS_15, LOWER_STATUS_0, /* LOWER threshold violated */ LOWER_STATUS_1, LOWER_STATUS_2, LOWER_STATUS_3, LOWER_STATUS_4, LOWER_STATUS_5, LOWER_STATUS_6, LOWER_STATUS_7, LOWER_STATUS_8, LOWER_STATUS_9, LOWER_STATUS_10, LOWER_STATUS_11, LOWER_STATUS_12, LOWER_STATUS_13, LOWER_STATUS_14, LOWER_STATUS_15, UPPER_STATUS_0, /* UPPER threshold violated */ UPPER_STATUS_1, UPPER_STATUS_2, UPPER_STATUS_3, UPPER_STATUS_4, UPPER_STATUS_5, UPPER_STATUS_6, UPPER_STATUS_7, UPPER_STATUS_8, UPPER_STATUS_9, UPPER_STATUS_10, UPPER_STATUS_11, UPPER_STATUS_12, UPPER_STATUS_13, UPPER_STATUS_14, UPPER_STATUS_15, CRITICAL_STATUS_0, /* CRITICAL threshold violated */ CRITICAL_STATUS_1, CRITICAL_STATUS_2, CRITICAL_STATUS_3, CRITICAL_STATUS_4, CRITICAL_STATUS_5, CRITICAL_STATUS_6, CRITICAL_STATUS_7, CRITICAL_STATUS_8, CRITICAL_STATUS_9, CRITICAL_STATUS_10, CRITICAL_STATUS_11, CRITICAL_STATUS_12, CRITICAL_STATUS_13, CRITICAL_STATUS_14, CRITICAL_STATUS_15, /* TRDY */ TRDY, /* INTERRUPT ENABLE */ INT_EN, /* Pre-V1, V1.x */ LOW_INT_EN, /* V2.x */ UP_INT_EN, /* V2.x */ CRIT_INT_EN, /* V2.x */ /* Keep last */ MAX_REGFIELDS }; /** * struct tsens_features - Features supported by the IP * @ver_major: Major number of IP version * @crit_int: does the IP support critical interrupts? * @adc: do the sensors only output adc code (instead of temperature)? * @srot_split: does the IP neatly splits the register space into SROT and TM, * with SROT only being available to secure boot firmware? * @max_sensors: maximum sensors supported by this version of the IP */ struct tsens_features { unsigned int ver_major; unsigned int crit_int:1; unsigned int adc:1; unsigned int srot_split:1; unsigned int max_sensors; }; /** * struct tsens_plat_data - tsens compile-time platform data * @num_sensors: Number of sensors supported by platform * @ops: operations the tsens instance supports * @hw_ids: Subset of sensors ids supported by platform, if not the first n * @feat: features of the IP * @fields: bitfield locations */ struct tsens_plat_data { const u32 num_sensors; const struct tsens_ops *ops; unsigned int *hw_ids; const struct tsens_features *feat; const struct reg_field *fields; }; /** * struct tsens_context - Registers to be saved/restored across a context loss */ struct tsens_context { int threshold; int control; }; /** * struct tsens_priv - private data for each instance of the tsens IP * @dev: pointer to struct device * @num_sensors: number of sensors enabled on this device * @tm_map: pointer to TM register address space * @srot_map: pointer to SROT register address space * @tm_offset: deal with old device trees that don't address TM and SROT * address space separately * @rf: array of regmap_fields used to store value of the field * @ctx: registers to be saved and restored during suspend/resume * @feat: features of the IP * @fields: bitfield locations * @ops: pointer to list of callbacks supported by this device * @sensor: list of sensors attached to this device */ struct tsens_priv { struct device *dev; u32 num_sensors; struct regmap *tm_map; struct regmap *srot_map; u32 tm_offset; struct regmap_field *rf[MAX_REGFIELDS]; struct tsens_context ctx; const struct tsens_features *feat; const struct reg_field *fields; const struct tsens_ops *ops; struct tsens_sensor sensor[0]; }; char *qfprom_read(struct device *dev, const char *cname); void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode); int init_common(struct tsens_priv *priv); int get_temp_tsens_valid(struct tsens_priv *priv, int i, int *temp); int get_temp_common(struct tsens_priv *priv, int i, int *temp); /* TSENS target */ extern const struct tsens_plat_data data_8960; /* TSENS v0.1 targets */ extern const struct tsens_plat_data data_8916, data_8974; /* TSENS v1 targets */ extern const struct tsens_plat_data data_tsens_v1; /* TSENS v2 targets */ extern const struct tsens_plat_data data_8996, data_tsens_v2; #endif /* __QCOM_TSENS_H__ */ |