1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * hwmon driver for Aquacomputer devices (D5 Next, Farbwerk, Farbwerk 360, Octo, 4 * Quadro, High Flow Next, Aquaero, Aquastream Ultimate, Leakshield) 5 * 6 * Aquacomputer devices send HID reports (with ID 0x01) every second to report 7 * sensor values, except for devices that communicate through the 8 * legacy way (currently, Poweradjust 3). 9 * 10 * Copyright 2021 Aleksa Savic <savicaleksa83@gmail.com> 11 * Copyright 2022 Jack Doan <me@jackdoan.com> 12 */ 13 14 #include <linux/crc16.h> 15 #include <linux/debugfs.h> 16 #include <linux/hid.h> 17 #include <linux/hwmon.h> 18 #include <linux/jiffies.h> 19 #include <linux/module.h> 20 #include <linux/mutex.h> 21 #include <linux/seq_file.h> 22 #include <asm/unaligned.h> 23 24 #define USB_VENDOR_ID_AQUACOMPUTER 0x0c70 25 #define USB_PRODUCT_ID_AQUAERO 0xf001 26 #define USB_PRODUCT_ID_FARBWERK 0xf00a 27 #define USB_PRODUCT_ID_QUADRO 0xf00d 28 #define USB_PRODUCT_ID_D5NEXT 0xf00e 29 #define USB_PRODUCT_ID_FARBWERK360 0xf010 30 #define USB_PRODUCT_ID_OCTO 0xf011 31 #define USB_PRODUCT_ID_HIGHFLOWNEXT 0xf012 32 #define USB_PRODUCT_ID_LEAKSHIELD 0xf014 33 #define USB_PRODUCT_ID_AQUASTREAMXT 0xf0b6 34 #define USB_PRODUCT_ID_AQUASTREAMULT 0xf00b 35 #define USB_PRODUCT_ID_POWERADJUST3 0xf0bd 36 37 enum kinds { 38 d5next, farbwerk, farbwerk360, octo, quadro, 39 highflownext, aquaero, poweradjust3, aquastreamult, 40 aquastreamxt, leakshield 41 }; 42 43 static const char *const aqc_device_names[] = { 44 [d5next] = "d5next", 45 [farbwerk] = "farbwerk", 46 [farbwerk360] = "farbwerk360", 47 [octo] = "octo", 48 [quadro] = "quadro", 49 [highflownext] = "highflownext", 50 [leakshield] = "leakshield", 51 [aquastreamxt] = "aquastreamxt", 52 [aquaero] = "aquaero", 53 [aquastreamult] = "aquastreamultimate", 54 [poweradjust3] = "poweradjust3" 55 }; 56 57 #define DRIVER_NAME "aquacomputer_d5next" 58 59 #define STATUS_REPORT_ID 0x01 60 #define STATUS_UPDATE_INTERVAL (2 * HZ) /* In seconds */ 61 #define SERIAL_PART_OFFSET 2 62 63 #define CTRL_REPORT_ID 0x03 64 #define AQUAERO_CTRL_REPORT_ID 0x0b 65 66 /* The HID report that the official software always sends 67 * after writing values, currently same for all devices 68 */ 69 #define SECONDARY_CTRL_REPORT_ID 0x02 70 #define SECONDARY_CTRL_REPORT_SIZE 0x0B 71 72 static u8 secondary_ctrl_report[] = { 73 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x34, 0xC6 74 }; 75 76 /* Secondary HID report values for Aquaero */ 77 #define AQUAERO_SECONDARY_CTRL_REPORT_ID 0x06 78 #define AQUAERO_SECONDARY_CTRL_REPORT_SIZE 0x07 79 80 static u8 aquaero_secondary_ctrl_report[] = { 81 0x06, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00 82 }; 83 84 /* Report IDs for legacy devices */ 85 #define AQUASTREAMXT_STATUS_REPORT_ID 0x04 86 87 #define POWERADJUST3_STATUS_REPORT_ID 0x03 88 89 /* Data types for reading and writing control reports */ 90 #define AQC_8 0 91 #define AQC_BE16 1 92 93 /* Info, sensor sizes and offsets for most Aquacomputer devices */ 94 #define AQC_SERIAL_START 0x3 95 #define AQC_FIRMWARE_VERSION 0xD 96 97 #define AQC_SENSOR_SIZE 0x02 98 #define AQC_SENSOR_NA 0x7FFF 99 #define AQC_FAN_PERCENT_OFFSET 0x00 100 #define AQC_FAN_VOLTAGE_OFFSET 0x02 101 #define AQC_FAN_CURRENT_OFFSET 0x04 102 #define AQC_FAN_POWER_OFFSET 0x06 103 #define AQC_FAN_SPEED_OFFSET 0x08 104 105 /* Specs of the Aquaero fan controllers */ 106 #define AQUAERO_SERIAL_START 0x07 107 #define AQUAERO_FIRMWARE_VERSION 0x0B 108 #define AQUAERO_NUM_FANS 4 109 #define AQUAERO_NUM_SENSORS 8 110 #define AQUAERO_NUM_VIRTUAL_SENSORS 8 111 #define AQUAERO_NUM_CALC_VIRTUAL_SENSORS 4 112 #define AQUAERO_NUM_FLOW_SENSORS 2 113 #define AQUAERO_CTRL_REPORT_SIZE 0xa93 114 #define AQUAERO_CTRL_PRESET_ID 0x5c 115 #define AQUAERO_CTRL_PRESET_SIZE 0x02 116 #define AQUAERO_CTRL_PRESET_START 0x55c 117 118 /* Sensor report offsets for Aquaero fan controllers */ 119 #define AQUAERO_SENSOR_START 0x65 120 #define AQUAERO_VIRTUAL_SENSOR_START 0x85 121 #define AQUAERO_CALC_VIRTUAL_SENSOR_START 0x95 122 #define AQUAERO_FLOW_SENSORS_START 0xF9 123 #define AQUAERO_FAN_VOLTAGE_OFFSET 0x04 124 #define AQUAERO_FAN_CURRENT_OFFSET 0x06 125 #define AQUAERO_FAN_POWER_OFFSET 0x08 126 #define AQUAERO_FAN_SPEED_OFFSET 0x00 127 static u16 aquaero_sensor_fan_offsets[] = { 0x167, 0x173, 0x17f, 0x18B }; 128 129 /* Control report offsets for the Aquaero fan controllers */ 130 #define AQUAERO_TEMP_CTRL_OFFSET 0xdb 131 #define AQUAERO_FAN_CTRL_MIN_PWR_OFFSET 0x04 132 #define AQUAERO_FAN_CTRL_MAX_PWR_OFFSET 0x06 133 #define AQUAERO_FAN_CTRL_SRC_OFFSET 0x10 134 static u16 aquaero_ctrl_fan_offsets[] = { 0x20c, 0x220, 0x234, 0x248 }; 135 136 /* Specs of the D5 Next pump */ 137 #define D5NEXT_NUM_FANS 2 138 #define D5NEXT_NUM_SENSORS 1 139 #define D5NEXT_NUM_VIRTUAL_SENSORS 8 140 #define D5NEXT_CTRL_REPORT_SIZE 0x329 141 142 /* Sensor report offsets for the D5 Next pump */ 143 #define D5NEXT_POWER_CYCLES 0x18 144 #define D5NEXT_COOLANT_TEMP 0x57 145 #define D5NEXT_PUMP_OFFSET 0x6c 146 #define D5NEXT_FAN_OFFSET 0x5f 147 #define D5NEXT_5V_VOLTAGE 0x39 148 #define D5NEXT_12V_VOLTAGE 0x37 149 #define D5NEXT_VIRTUAL_SENSORS_START 0x3f 150 static u16 d5next_sensor_fan_offsets[] = { D5NEXT_PUMP_OFFSET, D5NEXT_FAN_OFFSET }; 151 152 /* Control report offsets for the D5 Next pump */ 153 #define D5NEXT_TEMP_CTRL_OFFSET 0x2D /* Temperature sensor offsets location */ 154 static u16 d5next_ctrl_fan_offsets[] = { 0x97, 0x42 }; /* Pump and fan speed (from 0-100%) */ 155 156 /* Specs of the Aquastream Ultimate pump */ 157 /* Pump does not follow the standard structure, so only consider the fan */ 158 #define AQUASTREAMULT_NUM_FANS 1 159 #define AQUASTREAMULT_NUM_SENSORS 2 160 161 /* Sensor report offsets for the Aquastream Ultimate pump */ 162 #define AQUASTREAMULT_SENSOR_START 0x2D 163 #define AQUASTREAMULT_PUMP_OFFSET 0x51 164 #define AQUASTREAMULT_PUMP_VOLTAGE 0x3D 165 #define AQUASTREAMULT_PUMP_CURRENT 0x53 166 #define AQUASTREAMULT_PUMP_POWER 0x55 167 #define AQUASTREAMULT_FAN_OFFSET 0x41 168 #define AQUASTREAMULT_PRESSURE_OFFSET 0x57 169 #define AQUASTREAMULT_FLOW_SENSOR_OFFSET 0x37 170 #define AQUASTREAMULT_FAN_VOLTAGE_OFFSET 0x02 171 #define AQUASTREAMULT_FAN_CURRENT_OFFSET 0x00 172 #define AQUASTREAMULT_FAN_POWER_OFFSET 0x04 173 #define AQUASTREAMULT_FAN_SPEED_OFFSET 0x06 174 static u16 aquastreamult_sensor_fan_offsets[] = { AQUASTREAMULT_FAN_OFFSET }; 175 176 /* Spec and sensor report offset for the Farbwerk RGB controller */ 177 #define FARBWERK_NUM_SENSORS 4 178 #define FARBWERK_SENSOR_START 0x2f 179 180 /* Specs of the Farbwerk 360 RGB controller */ 181 #define FARBWERK360_NUM_SENSORS 4 182 #define FARBWERK360_NUM_VIRTUAL_SENSORS 16 183 #define FARBWERK360_CTRL_REPORT_SIZE 0x682 184 185 /* Sensor report offsets for the Farbwerk 360 */ 186 #define FARBWERK360_SENSOR_START 0x32 187 #define FARBWERK360_VIRTUAL_SENSORS_START 0x3a 188 189 /* Control report offsets for the Farbwerk 360 */ 190 #define FARBWERK360_TEMP_CTRL_OFFSET 0x8 191 192 /* Specs of the Octo fan controller */ 193 #define OCTO_NUM_FANS 8 194 #define OCTO_NUM_SENSORS 4 195 #define OCTO_NUM_VIRTUAL_SENSORS 16 196 #define OCTO_CTRL_REPORT_SIZE 0x65F 197 198 /* Sensor report offsets for the Octo */ 199 #define OCTO_POWER_CYCLES 0x18 200 #define OCTO_SENSOR_START 0x3D 201 #define OCTO_VIRTUAL_SENSORS_START 0x45 202 static u16 octo_sensor_fan_offsets[] = { 0x7D, 0x8A, 0x97, 0xA4, 0xB1, 0xBE, 0xCB, 0xD8 }; 203 204 /* Control report offsets for the Octo */ 205 #define OCTO_TEMP_CTRL_OFFSET 0xA 206 /* Fan speed offsets (0-100%) */ 207 static u16 octo_ctrl_fan_offsets[] = { 0x5B, 0xB0, 0x105, 0x15A, 0x1AF, 0x204, 0x259, 0x2AE }; 208 209 /* Specs of Quadro fan controller */ 210 #define QUADRO_NUM_FANS 4 211 #define QUADRO_NUM_SENSORS 4 212 #define QUADRO_NUM_VIRTUAL_SENSORS 16 213 #define QUADRO_NUM_FLOW_SENSORS 1 214 #define QUADRO_CTRL_REPORT_SIZE 0x3c1 215 216 /* Sensor report offsets for the Quadro */ 217 #define QUADRO_POWER_CYCLES 0x18 218 #define QUADRO_SENSOR_START 0x34 219 #define QUADRO_VIRTUAL_SENSORS_START 0x3c 220 #define QUADRO_FLOW_SENSOR_OFFSET 0x6e 221 static u16 quadro_sensor_fan_offsets[] = { 0x70, 0x7D, 0x8A, 0x97 }; 222 223 /* Control report offsets for the Quadro */ 224 #define QUADRO_TEMP_CTRL_OFFSET 0xA 225 #define QUADRO_FLOW_PULSES_CTRL_OFFSET 0x6 226 static u16 quadro_ctrl_fan_offsets[] = { 0x37, 0x8c, 0xe1, 0x136 }; /* Fan speed offsets (0-100%) */ 227 228 /* Specs of High Flow Next flow sensor */ 229 #define HIGHFLOWNEXT_NUM_SENSORS 2 230 #define HIGHFLOWNEXT_NUM_FLOW_SENSORS 1 231 232 /* Sensor report offsets for the High Flow Next */ 233 #define HIGHFLOWNEXT_SENSOR_START 85 234 #define HIGHFLOWNEXT_FLOW 81 235 #define HIGHFLOWNEXT_WATER_QUALITY 89 236 #define HIGHFLOWNEXT_POWER 91 237 #define HIGHFLOWNEXT_CONDUCTIVITY 95 238 #define HIGHFLOWNEXT_5V_VOLTAGE 97 239 #define HIGHFLOWNEXT_5V_VOLTAGE_USB 99 240 241 /* Specs of the Leakshield */ 242 #define LEAKSHIELD_NUM_SENSORS 2 243 244 /* Sensor report offsets for Leakshield */ 245 #define LEAKSHIELD_PRESSURE_ADJUSTED 285 246 #define LEAKSHIELD_TEMPERATURE_1 265 247 #define LEAKSHIELD_TEMPERATURE_2 287 248 #define LEAKSHIELD_PRESSURE_MIN 291 249 #define LEAKSHIELD_PRESSURE_TARGET 293 250 #define LEAKSHIELD_PRESSURE_MAX 295 251 #define LEAKSHIELD_PUMP_RPM_IN 101 252 #define LEAKSHIELD_FLOW_IN 111 253 #define LEAKSHIELD_RESERVOIR_VOLUME 313 254 #define LEAKSHIELD_RESERVOIR_FILLED 311 255 256 /* Specs of the Aquastream XT pump */ 257 #define AQUASTREAMXT_SERIAL_START 0x3a 258 #define AQUASTREAMXT_FIRMWARE_VERSION 0x32 259 #define AQUASTREAMXT_NUM_FANS 2 260 #define AQUASTREAMXT_NUM_SENSORS 3 261 #define AQUASTREAMXT_FAN_STOPPED 0x4 262 #define AQUASTREAMXT_PUMP_CONVERSION_CONST 45000000 263 #define AQUASTREAMXT_FAN_CONVERSION_CONST 5646000 264 #define AQUASTREAMXT_SENSOR_REPORT_SIZE 0x42 265 266 /* Sensor report offsets and info for Aquastream XT */ 267 #define AQUASTREAMXT_SENSOR_START 0xd 268 #define AQUASTREAMXT_FAN_VOLTAGE_OFFSET 0x7 269 #define AQUASTREAMXT_FAN_STATUS_OFFSET 0x1d 270 #define AQUASTREAMXT_PUMP_VOLTAGE_OFFSET 0x9 271 #define AQUASTREAMXT_PUMP_CURR_OFFSET 0xb 272 static u16 aquastreamxt_sensor_fan_offsets[] = { 0x13, 0x1b }; 273 274 /* Specs of the Poweradjust 3 */ 275 #define POWERADJUST3_NUM_SENSORS 1 276 #define POWERADJUST3_SENSOR_REPORT_SIZE 0x32 277 278 /* Sensor report offsets for the Poweradjust 3 */ 279 #define POWERADJUST3_SENSOR_START 0x03 280 281 /* Labels for D5 Next */ 282 static const char *const label_d5next_temp[] = { 283 "Coolant temp" 284 }; 285 286 static const char *const label_d5next_speeds[] = { 287 "Pump speed", 288 "Fan speed" 289 }; 290 291 static const char *const label_d5next_power[] = { 292 "Pump power", 293 "Fan power" 294 }; 295 296 static const char *const label_d5next_voltages[] = { 297 "Pump voltage", 298 "Fan voltage", 299 "+5V voltage", 300 "+12V voltage" 301 }; 302 303 static const char *const label_d5next_current[] = { 304 "Pump current", 305 "Fan current" 306 }; 307 308 /* Labels for Aquaero, Farbwerk, Farbwerk 360 and Octo and Quadro temperature sensors */ 309 static const char *const label_temp_sensors[] = { 310 "Sensor 1", 311 "Sensor 2", 312 "Sensor 3", 313 "Sensor 4", 314 "Sensor 5", 315 "Sensor 6", 316 "Sensor 7", 317 "Sensor 8" 318 }; 319 320 static const char *const label_virtual_temp_sensors[] = { 321 "Virtual sensor 1", 322 "Virtual sensor 2", 323 "Virtual sensor 3", 324 "Virtual sensor 4", 325 "Virtual sensor 5", 326 "Virtual sensor 6", 327 "Virtual sensor 7", 328 "Virtual sensor 8", 329 "Virtual sensor 9", 330 "Virtual sensor 10", 331 "Virtual sensor 11", 332 "Virtual sensor 12", 333 "Virtual sensor 13", 334 "Virtual sensor 14", 335 "Virtual sensor 15", 336 "Virtual sensor 16", 337 }; 338 339 static const char *const label_aquaero_calc_temp_sensors[] = { 340 "Calc. virtual sensor 1", 341 "Calc. virtual sensor 2", 342 "Calc. virtual sensor 3", 343 "Calc. virtual sensor 4" 344 }; 345 346 /* Labels for Octo and Quadro (except speed) */ 347 static const char *const label_fan_speed[] = { 348 "Fan 1 speed", 349 "Fan 2 speed", 350 "Fan 3 speed", 351 "Fan 4 speed", 352 "Fan 5 speed", 353 "Fan 6 speed", 354 "Fan 7 speed", 355 "Fan 8 speed" 356 }; 357 358 static const char *const label_fan_power[] = { 359 "Fan 1 power", 360 "Fan 2 power", 361 "Fan 3 power", 362 "Fan 4 power", 363 "Fan 5 power", 364 "Fan 6 power", 365 "Fan 7 power", 366 "Fan 8 power" 367 }; 368 369 static const char *const label_fan_voltage[] = { 370 "Fan 1 voltage", 371 "Fan 2 voltage", 372 "Fan 3 voltage", 373 "Fan 4 voltage", 374 "Fan 5 voltage", 375 "Fan 6 voltage", 376 "Fan 7 voltage", 377 "Fan 8 voltage" 378 }; 379 380 static const char *const label_fan_current[] = { 381 "Fan 1 current", 382 "Fan 2 current", 383 "Fan 3 current", 384 "Fan 4 current", 385 "Fan 5 current", 386 "Fan 6 current", 387 "Fan 7 current", 388 "Fan 8 current" 389 }; 390 391 /* Labels for Quadro fan speeds */ 392 static const char *const label_quadro_speeds[] = { 393 "Fan 1 speed", 394 "Fan 2 speed", 395 "Fan 3 speed", 396 "Fan 4 speed", 397 "Flow speed [dL/h]" 398 }; 399 400 /* Labels for Aquaero fan speeds */ 401 static const char *const label_aquaero_speeds[] = { 402 "Fan 1 speed", 403 "Fan 2 speed", 404 "Fan 3 speed", 405 "Fan 4 speed", 406 "Flow sensor 1 [dL/h]", 407 "Flow sensor 2 [dL/h]" 408 }; 409 410 /* Labels for High Flow Next */ 411 static const char *const label_highflownext_temp_sensors[] = { 412 "Coolant temp", 413 "External sensor" 414 }; 415 416 static const char *const label_highflownext_fan_speed[] = { 417 "Flow [dL/h]", 418 "Water quality [%]", 419 "Conductivity [nS/cm]", 420 }; 421 422 static const char *const label_highflownext_power[] = { 423 "Dissipated power", 424 }; 425 426 static const char *const label_highflownext_voltage[] = { 427 "+5V voltage", 428 "+5V USB voltage" 429 }; 430 431 /* Labels for Leakshield */ 432 static const char *const label_leakshield_temp_sensors[] = { 433 "Temperature 1", 434 "Temperature 2" 435 }; 436 437 static const char *const label_leakshield_fan_speed[] = { 438 "Pressure [ubar]", 439 "User-Provided Pump Speed", 440 "User-Provided Flow [dL/h]", 441 "Reservoir Volume [ml]", 442 "Reservoir Filled [ml]", 443 }; 444 445 /* Labels for Aquastream XT */ 446 static const char *const label_aquastreamxt_temp_sensors[] = { 447 "Fan IC temp", 448 "External sensor", 449 "Coolant temp" 450 }; 451 452 /* Labels for Aquastream Ultimate */ 453 static const char *const label_aquastreamult_temp[] = { 454 "Coolant temp", 455 "External temp" 456 }; 457 458 static const char *const label_aquastreamult_speeds[] = { 459 "Fan speed", 460 "Pump speed", 461 "Pressure [mbar]", 462 "Flow speed [dL/h]" 463 }; 464 465 static const char *const label_aquastreamult_power[] = { 466 "Fan power", 467 "Pump power" 468 }; 469 470 static const char *const label_aquastreamult_voltages[] = { 471 "Fan voltage", 472 "Pump voltage" 473 }; 474 475 static const char *const label_aquastreamult_current[] = { 476 "Fan current", 477 "Pump current" 478 }; 479 480 /* Labels for Poweradjust 3 */ 481 static const char *const label_poweradjust3_temp_sensors[] = { 482 "External sensor" 483 }; 484 485 struct aqc_fan_structure_offsets { 486 u8 voltage; 487 u8 curr; 488 u8 power; 489 u8 speed; 490 }; 491 492 /* Fan structure offsets for Aquaero */ 493 static struct aqc_fan_structure_offsets aqc_aquaero_fan_structure = { 494 .voltage = AQUAERO_FAN_VOLTAGE_OFFSET, 495 .curr = AQUAERO_FAN_CURRENT_OFFSET, 496 .power = AQUAERO_FAN_POWER_OFFSET, 497 .speed = AQUAERO_FAN_SPEED_OFFSET 498 }; 499 500 /* Fan structure offsets for Aquastream Ultimate */ 501 static struct aqc_fan_structure_offsets aqc_aquastreamult_fan_structure = { 502 .voltage = AQUASTREAMULT_FAN_VOLTAGE_OFFSET, 503 .curr = AQUASTREAMULT_FAN_CURRENT_OFFSET, 504 .power = AQUASTREAMULT_FAN_POWER_OFFSET, 505 .speed = AQUASTREAMULT_FAN_SPEED_OFFSET 506 }; 507 508 /* Fan structure offsets for all devices except those above */ 509 static struct aqc_fan_structure_offsets aqc_general_fan_structure = { 510 .voltage = AQC_FAN_VOLTAGE_OFFSET, 511 .curr = AQC_FAN_CURRENT_OFFSET, 512 .power = AQC_FAN_POWER_OFFSET, 513 .speed = AQC_FAN_SPEED_OFFSET 514 }; 515 516 struct aqc_data { 517 struct hid_device *hdev; 518 struct device *hwmon_dev; 519 struct dentry *debugfs; 520 struct mutex mutex; /* Used for locking access when reading and writing PWM values */ 521 enum kinds kind; 522 const char *name; 523 524 int status_report_id; /* Used for legacy devices, report is stored in buffer */ 525 int ctrl_report_id; 526 int secondary_ctrl_report_id; 527 int secondary_ctrl_report_size; 528 u8 *secondary_ctrl_report; 529 530 int buffer_size; 531 u8 *buffer; 532 int checksum_start; 533 int checksum_length; 534 int checksum_offset; 535 536 int num_fans; 537 u16 *fan_sensor_offsets; 538 u16 *fan_ctrl_offsets; 539 int num_temp_sensors; 540 int temp_sensor_start_offset; 541 int num_virtual_temp_sensors; 542 int virtual_temp_sensor_start_offset; 543 int num_calc_virt_temp_sensors; 544 int calc_virt_temp_sensor_start_offset; 545 u16 temp_ctrl_offset; 546 u16 power_cycle_count_offset; 547 int num_flow_sensors; 548 u8 flow_sensors_start_offset; 549 u8 flow_pulses_ctrl_offset; 550 struct aqc_fan_structure_offsets *fan_structure; 551 552 /* General info, same across all devices */ 553 u8 serial_number_start_offset; 554 u32 serial_number[2]; 555 u8 firmware_version_offset; 556 u16 firmware_version; 557 558 /* How many times the device was powered on, if available */ 559 u32 power_cycles; 560 561 /* Sensor values */ 562 s32 temp_input[20]; /* Max 4 physical and 16 virtual or 8 physical and 12 virtual */ 563 s32 speed_input[8]; 564 u32 speed_input_min[1]; 565 u32 speed_input_target[1]; 566 u32 speed_input_max[1]; 567 u32 power_input[8]; 568 u16 voltage_input[8]; 569 u16 current_input[8]; 570 571 /* Label values */ 572 const char *const *temp_label; 573 const char *const *virtual_temp_label; 574 const char *const *calc_virt_temp_label; /* For Aquaero */ 575 const char *const *speed_label; 576 const char *const *power_label; 577 const char *const *voltage_label; 578 const char *const *current_label; 579 580 unsigned long updated; 581 }; 582 583 /* Converts from centi-percent */ 584 static int aqc_percent_to_pwm(u16 val) 585 { 586 return DIV_ROUND_CLOSEST(val * 255, 100 * 100); 587 } 588 589 /* Converts to centi-percent */ 590 static int aqc_pwm_to_percent(long val) 591 { 592 if (val < 0 || val > 255) 593 return -EINVAL; 594 595 return DIV_ROUND_CLOSEST(val * 100 * 100, 255); 596 } 597 598 /* Converts raw value for Aquastream XT pump speed to RPM */ 599 static int aqc_aquastreamxt_convert_pump_rpm(u16 val) 600 { 601 if (val > 0) 602 return DIV_ROUND_CLOSEST(AQUASTREAMXT_PUMP_CONVERSION_CONST, val); 603 return 0; 604 } 605 606 /* Converts raw value for Aquastream XT fan speed to RPM */ 607 static int aqc_aquastreamxt_convert_fan_rpm(u16 val) 608 { 609 if (val > 0) 610 return DIV_ROUND_CLOSEST(AQUASTREAMXT_FAN_CONVERSION_CONST, val); 611 return 0; 612 } 613 614 /* Expects the mutex to be locked */ 615 static int aqc_get_ctrl_data(struct aqc_data *priv) 616 { 617 int ret; 618 619 memset(priv->buffer, 0x00, priv->buffer_size); 620 ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size, 621 HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 622 if (ret < 0) 623 ret = -ENODATA; 624 625 return ret; 626 } 627 628 /* Expects the mutex to be locked */ 629 static int aqc_send_ctrl_data(struct aqc_data *priv) 630 { 631 int ret; 632 u16 checksum; 633 634 /* Checksum is not needed for Aquaero */ 635 if (priv->kind != aquaero) { 636 /* Init and xorout value for CRC-16/USB is 0xffff */ 637 checksum = crc16(0xffff, priv->buffer + priv->checksum_start, 638 priv->checksum_length); 639 checksum ^= 0xffff; 640 641 /* Place the new checksum at the end of the report */ 642 put_unaligned_be16(checksum, priv->buffer + priv->checksum_offset); 643 } 644 645 /* Send the patched up report back to the device */ 646 ret = hid_hw_raw_request(priv->hdev, priv->ctrl_report_id, priv->buffer, priv->buffer_size, 647 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 648 if (ret < 0) 649 return ret; 650 651 /* The official software sends this report after every change, so do it here as well */ 652 ret = hid_hw_raw_request(priv->hdev, priv->secondary_ctrl_report_id, 653 priv->secondary_ctrl_report, priv->secondary_ctrl_report_size, 654 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); 655 return ret; 656 } 657 658 /* Refreshes the control buffer and stores value at offset in val */ 659 static int aqc_get_ctrl_val(struct aqc_data *priv, int offset, long *val, int type) 660 { 661 int ret; 662 663 mutex_lock(&priv->mutex); 664 665 ret = aqc_get_ctrl_data(priv); 666 if (ret < 0) 667 goto unlock_and_return; 668 669 switch (type) { 670 case AQC_BE16: 671 *val = (s16)get_unaligned_be16(priv->buffer + offset); 672 break; 673 case AQC_8: 674 *val = priv->buffer[offset]; 675 break; 676 default: 677 ret = -EINVAL; 678 } 679 680 unlock_and_return: 681 mutex_unlock(&priv->mutex); 682 return ret; 683 } 684 685 static int aqc_set_ctrl_vals(struct aqc_data *priv, int *offsets, long *vals, int *types, int len) 686 { 687 int ret, i; 688 689 mutex_lock(&priv->mutex); 690 691 ret = aqc_get_ctrl_data(priv); 692 if (ret < 0) 693 goto unlock_and_return; 694 695 for (i = 0; i < len; i++) { 696 switch (types[i]) { 697 case AQC_BE16: 698 put_unaligned_be16((s16)vals[i], priv->buffer + offsets[i]); 699 break; 700 case AQC_8: 701 priv->buffer[offsets[i]] = (u8)vals[i]; 702 break; 703 default: 704 ret = -EINVAL; 705 } 706 } 707 708 if (ret < 0) 709 goto unlock_and_return; 710 711 ret = aqc_send_ctrl_data(priv); 712 713 unlock_and_return: 714 mutex_unlock(&priv->mutex); 715 return ret; 716 } 717 718 static int aqc_set_ctrl_val(struct aqc_data *priv, int offset, long val, int type) 719 { 720 return aqc_set_ctrl_vals(priv, &offset, &val, &type, 1); 721 } 722 723 static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) 724 { 725 const struct aqc_data *priv = data; 726 727 switch (type) { 728 case hwmon_temp: 729 if (channel < priv->num_temp_sensors) { 730 switch (attr) { 731 case hwmon_temp_label: 732 case hwmon_temp_input: 733 return 0444; 734 case hwmon_temp_offset: 735 if (priv->temp_ctrl_offset != 0) 736 return 0644; 737 break; 738 default: 739 break; 740 } 741 } 742 743 if (channel < 744 priv->num_temp_sensors + priv->num_virtual_temp_sensors + 745 priv->num_calc_virt_temp_sensors) 746 switch (attr) { 747 case hwmon_temp_label: 748 case hwmon_temp_input: 749 return 0444; 750 default: 751 break; 752 } 753 break; 754 case hwmon_pwm: 755 if (priv->fan_ctrl_offsets && channel < priv->num_fans) { 756 switch (attr) { 757 case hwmon_pwm_input: 758 return 0644; 759 default: 760 break; 761 } 762 } 763 break; 764 case hwmon_fan: 765 switch (attr) { 766 case hwmon_fan_input: 767 case hwmon_fan_label: 768 switch (priv->kind) { 769 case aquastreamult: 770 /* 771 * Special case to support pump RPM, fan RPM, 772 * pressure and flow sensor 773 */ 774 if (channel < 4) 775 return 0444; 776 break; 777 case highflownext: 778 /* Special case to support flow sensor, water quality 779 * and conductivity 780 */ 781 if (channel < 3) 782 return 0444; 783 break; 784 case leakshield: 785 /* Special case for Leakshield sensors */ 786 if (channel < 5) 787 return 0444; 788 break; 789 case aquaero: 790 case quadro: 791 /* Special case to support flow sensors */ 792 if (channel < priv->num_fans + priv->num_flow_sensors) 793 return 0444; 794 break; 795 default: 796 if (channel < priv->num_fans) 797 return 0444; 798 break; 799 } 800 break; 801 case hwmon_fan_pulses: 802 /* Special case for Quadro flow sensor */ 803 if (priv->kind == quadro && channel == priv->num_fans) 804 return 0644; 805 break; 806 case hwmon_fan_min: 807 case hwmon_fan_max: 808 case hwmon_fan_target: 809 /* Special case for Leakshield pressure sensor */ 810 if (priv->kind == leakshield && channel == 0) 811 return 0444; 812 break; 813 default: 814 break; 815 } 816 break; 817 case hwmon_power: 818 switch (priv->kind) { 819 case aquastreamult: 820 /* Special case to support pump and fan power */ 821 if (channel < 2) 822 return 0444; 823 break; 824 case highflownext: 825 /* Special case to support one power sensor */ 826 if (channel == 0) 827 return 0444; 828 break; 829 case aquastreamxt: 830 break; 831 default: 832 if (channel < priv->num_fans) 833 return 0444; 834 break; 835 } 836 break; 837 case hwmon_curr: 838 switch (priv->kind) { 839 case aquastreamult: 840 /* Special case to support pump and fan current */ 841 if (channel < 2) 842 return 0444; 843 break; 844 case aquastreamxt: 845 /* Special case to support pump current */ 846 if (channel == 0) 847 return 0444; 848 break; 849 default: 850 if (channel < priv->num_fans) 851 return 0444; 852 break; 853 } 854 break; 855 case hwmon_in: 856 switch (priv->kind) { 857 case d5next: 858 /* Special case to support +5V and +12V voltage sensors */ 859 if (channel < priv->num_fans + 2) 860 return 0444; 861 break; 862 case aquastreamult: 863 case highflownext: 864 /* Special case to support two voltage sensors */ 865 if (channel < 2) 866 return 0444; 867 break; 868 default: 869 if (channel < priv->num_fans) 870 return 0444; 871 break; 872 } 873 break; 874 default: 875 break; 876 } 877 878 return 0; 879 } 880 881 /* Read device sensors by manually requesting the sensor report (legacy way) */ 882 static int aqc_legacy_read(struct aqc_data *priv) 883 { 884 int ret, i, sensor_value; 885 886 mutex_lock(&priv->mutex); 887 888 memset(priv->buffer, 0x00, priv->buffer_size); 889 ret = hid_hw_raw_request(priv->hdev, priv->status_report_id, priv->buffer, 890 priv->buffer_size, HID_FEATURE_REPORT, HID_REQ_GET_REPORT); 891 if (ret < 0) 892 goto unlock_and_return; 893 894 /* Temperature sensor readings */ 895 for (i = 0; i < priv->num_temp_sensors; i++) { 896 sensor_value = get_unaligned_le16(priv->buffer + priv->temp_sensor_start_offset + 897 i * AQC_SENSOR_SIZE); 898 priv->temp_input[i] = sensor_value * 10; 899 } 900 901 /* Special-case sensor readings */ 902 switch (priv->kind) { 903 case aquastreamxt: 904 /* Info provided with every report */ 905 priv->serial_number[0] = get_unaligned_le16(priv->buffer + 906 priv->serial_number_start_offset); 907 priv->firmware_version = 908 get_unaligned_le16(priv->buffer + priv->firmware_version_offset); 909 910 /* Read pump speed in RPM */ 911 sensor_value = get_unaligned_le16(priv->buffer + priv->fan_sensor_offsets[0]); 912 priv->speed_input[0] = aqc_aquastreamxt_convert_pump_rpm(sensor_value); 913 914 /* Read fan speed in RPM, if available */ 915 sensor_value = get_unaligned_le16(priv->buffer + AQUASTREAMXT_FAN_STATUS_OFFSET); 916 if (sensor_value == AQUASTREAMXT_FAN_STOPPED) { 917 priv->speed_input[1] = 0; 918 } else { 919 sensor_value = 920 get_unaligned_le16(priv->buffer + priv->fan_sensor_offsets[1]); 921 priv->speed_input[1] = aqc_aquastreamxt_convert_fan_rpm(sensor_value); 922 } 923 924 /* Calculation derived from linear regression */ 925 sensor_value = get_unaligned_le16(priv->buffer + AQUASTREAMXT_PUMP_CURR_OFFSET); 926 priv->current_input[0] = DIV_ROUND_CLOSEST(sensor_value * 176, 100) - 52; 927 928 sensor_value = get_unaligned_le16(priv->buffer + AQUASTREAMXT_PUMP_VOLTAGE_OFFSET); 929 priv->voltage_input[0] = DIV_ROUND_CLOSEST(sensor_value * 1000, 61); 930 931 sensor_value = get_unaligned_le16(priv->buffer + AQUASTREAMXT_FAN_VOLTAGE_OFFSET); 932 priv->voltage_input[1] = DIV_ROUND_CLOSEST(sensor_value * 1000, 63); 933 break; 934 default: 935 break; 936 } 937 938 priv->updated = jiffies; 939 940 unlock_and_return: 941 mutex_unlock(&priv->mutex); 942 return ret; 943 } 944 945 static int aqc_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, 946 int channel, long *val) 947 { 948 int ret; 949 struct aqc_data *priv = dev_get_drvdata(dev); 950 951 if (time_after(jiffies, priv->updated + STATUS_UPDATE_INTERVAL)) { 952 if (priv->status_report_id != 0) { 953 /* Legacy devices require manual reads */ 954 ret = aqc_legacy_read(priv); 955 if (ret < 0) 956 return -ENODATA; 957 } else { 958 return -ENODATA; 959 } 960 } 961 962 switch (type) { 963 case hwmon_temp: 964 switch (attr) { 965 case hwmon_temp_input: 966 if (priv->temp_input[channel] == -ENODATA) 967 return -ENODATA; 968 969 *val = priv->temp_input[channel]; 970 break; 971 case hwmon_temp_offset: 972 ret = 973 aqc_get_ctrl_val(priv, priv->temp_ctrl_offset + 974 channel * AQC_SENSOR_SIZE, val, AQC_BE16); 975 if (ret < 0) 976 return ret; 977 978 *val *= 10; 979 break; 980 default: 981 break; 982 } 983 break; 984 case hwmon_fan: 985 switch (attr) { 986 case hwmon_fan_input: 987 if (priv->speed_input[channel] == -ENODATA) 988 return -ENODATA; 989 990 *val = priv->speed_input[channel]; 991 break; 992 case hwmon_fan_min: 993 *val = priv->speed_input_min[channel]; 994 break; 995 case hwmon_fan_max: 996 *val = priv->speed_input_max[channel]; 997 break; 998 case hwmon_fan_target: 999 *val = priv->speed_input_target[channel]; 1000 break; 1001 case hwmon_fan_pulses: 1002 ret = aqc_get_ctrl_val(priv, priv->flow_pulses_ctrl_offset, 1003 val, AQC_BE16); 1004 if (ret < 0) 1005 return ret; 1006 break; 1007 default: 1008 break; 1009 } 1010 break; 1011 case hwmon_power: 1012 *val = priv->power_input[channel]; 1013 break; 1014 case hwmon_pwm: 1015 switch (priv->kind) { 1016 case aquaero: 1017 ret = aqc_get_ctrl_val(priv, 1018 AQUAERO_CTRL_PRESET_START + channel * AQUAERO_CTRL_PRESET_SIZE, 1019 val, AQC_BE16); 1020 if (ret < 0) 1021 return ret; 1022 *val = aqc_percent_to_pwm(*val); 1023 break; 1024 default: 1025 ret = aqc_get_ctrl_val(priv, priv->fan_ctrl_offsets[channel], 1026 val, AQC_BE16); 1027 if (ret < 0) 1028 return ret; 1029 1030 *val = aqc_percent_to_pwm(*val); 1031 break; 1032 } 1033 break; 1034 case hwmon_in: 1035 *val = priv->voltage_input[channel]; 1036 break; 1037 case hwmon_curr: 1038 *val = priv->current_input[channel]; 1039 break; 1040 default: 1041 return -EOPNOTSUPP; 1042 } 1043 1044 return 0; 1045 } 1046 1047 static int aqc_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr, 1048 int channel, const char **str) 1049 { 1050 struct aqc_data *priv = dev_get_drvdata(dev); 1051 1052 /* Number of sensors that are not calculated */ 1053 int num_non_calc_sensors = priv->num_temp_sensors + priv->num_virtual_temp_sensors; 1054 1055 switch (type) { 1056 case hwmon_temp: 1057 if (channel < priv->num_temp_sensors) { 1058 *str = priv->temp_label[channel]; 1059 } else { 1060 if (priv->kind == aquaero && channel >= num_non_calc_sensors) 1061 *str = 1062 priv->calc_virt_temp_label[channel - num_non_calc_sensors]; 1063 else 1064 *str = priv->virtual_temp_label[channel - priv->num_temp_sensors]; 1065 } 1066 break; 1067 case hwmon_fan: 1068 *str = priv->speed_label[channel]; 1069 break; 1070 case hwmon_power: 1071 *str = priv->power_label[channel]; 1072 break; 1073 case hwmon_in: 1074 *str = priv->voltage_label[channel]; 1075 break; 1076 case hwmon_curr: 1077 *str = priv->current_label[channel]; 1078 break; 1079 default: 1080 return -EOPNOTSUPP; 1081 } 1082 1083 return 0; 1084 } 1085 1086 static int aqc_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, 1087 long val) 1088 { 1089 int ret, pwm_value; 1090 /* Arrays for setting multiple values at once in the control report */ 1091 int ctrl_values_offsets[4]; 1092 long ctrl_values[4]; 1093 int ctrl_values_types[4]; 1094 struct aqc_data *priv = dev_get_drvdata(dev); 1095 1096 switch (type) { 1097 case hwmon_temp: 1098 switch (attr) { 1099 case hwmon_temp_offset: 1100 /* Limit temp offset to +/- 15K as in the official software */ 1101 val = clamp_val(val, -15000, 15000) / 10; 1102 ret = 1103 aqc_set_ctrl_val(priv, priv->temp_ctrl_offset + 1104 channel * AQC_SENSOR_SIZE, val, AQC_BE16); 1105 if (ret < 0) 1106 return ret; 1107 break; 1108 default: 1109 return -EOPNOTSUPP; 1110 } 1111 break; 1112 case hwmon_fan: 1113 switch (attr) { 1114 case hwmon_fan_pulses: 1115 val = clamp_val(val, 10, 1000); 1116 ret = aqc_set_ctrl_val(priv, priv->flow_pulses_ctrl_offset, 1117 val, AQC_BE16); 1118 if (ret < 0) 1119 return ret; 1120 break; 1121 default: 1122 break; 1123 } 1124 break; 1125 case hwmon_pwm: 1126 switch (attr) { 1127 case hwmon_pwm_input: 1128 pwm_value = aqc_pwm_to_percent(val); 1129 if (pwm_value < 0) 1130 return pwm_value; 1131 1132 switch (priv->kind) { 1133 case aquaero: 1134 /* Write pwm value to preset corresponding to the channel */ 1135 ctrl_values_offsets[0] = AQUAERO_CTRL_PRESET_START + 1136 channel * AQUAERO_CTRL_PRESET_SIZE; 1137 ctrl_values[0] = pwm_value; 1138 ctrl_values_types[0] = AQC_BE16; 1139 1140 /* Write preset number in fan control source */ 1141 ctrl_values_offsets[1] = priv->fan_ctrl_offsets[channel] + 1142 AQUAERO_FAN_CTRL_SRC_OFFSET; 1143 ctrl_values[1] = AQUAERO_CTRL_PRESET_ID + channel; 1144 ctrl_values_types[1] = AQC_BE16; 1145 1146 /* Set minimum power to 0 to allow the fan to turn off */ 1147 ctrl_values_offsets[2] = priv->fan_ctrl_offsets[channel] + 1148 AQUAERO_FAN_CTRL_MIN_PWR_OFFSET; 1149 ctrl_values[2] = 0; 1150 ctrl_values_types[2] = AQC_BE16; 1151 1152 /* Set maximum power to 255 to allow the fan to reach max speed */ 1153 ctrl_values_offsets[3] = priv->fan_ctrl_offsets[channel] + 1154 AQUAERO_FAN_CTRL_MAX_PWR_OFFSET; 1155 ctrl_values[3] = aqc_pwm_to_percent(255); 1156 ctrl_values_types[3] = AQC_BE16; 1157 1158 ret = aqc_set_ctrl_vals(priv, ctrl_values_offsets, ctrl_values, 1159 ctrl_values_types, 4); 1160 if (ret < 0) 1161 return ret; 1162 break; 1163 default: 1164 ret = aqc_set_ctrl_val(priv, priv->fan_ctrl_offsets[channel], 1165 pwm_value, AQC_BE16); 1166 if (ret < 0) 1167 return ret; 1168 break; 1169 } 1170 break; 1171 default: 1172 break; 1173 } 1174 break; 1175 default: 1176 return -EOPNOTSUPP; 1177 } 1178 1179 return 0; 1180 } 1181 1182 static const struct hwmon_ops aqc_hwmon_ops = { 1183 .is_visible = aqc_is_visible, 1184 .read = aqc_read, 1185 .read_string = aqc_read_string, 1186 .write = aqc_write 1187 }; 1188 1189 static const struct hwmon_channel_info * const aqc_info[] = { 1190 HWMON_CHANNEL_INFO(temp, 1191 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1192 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1193 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1194 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1195 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1196 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1197 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1198 HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, 1199 HWMON_T_INPUT | HWMON_T_LABEL, 1200 HWMON_T_INPUT | HWMON_T_LABEL, 1201 HWMON_T_INPUT | HWMON_T_LABEL, 1202 HWMON_T_INPUT | HWMON_T_LABEL, 1203 HWMON_T_INPUT | HWMON_T_LABEL, 1204 HWMON_T_INPUT | HWMON_T_LABEL, 1205 HWMON_T_INPUT | HWMON_T_LABEL, 1206 HWMON_T_INPUT | HWMON_T_LABEL, 1207 HWMON_T_INPUT | HWMON_T_LABEL, 1208 HWMON_T_INPUT | HWMON_T_LABEL, 1209 HWMON_T_INPUT | HWMON_T_LABEL, 1210 HWMON_T_INPUT | HWMON_T_LABEL), 1211 HWMON_CHANNEL_INFO(fan, 1212 HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_MIN | HWMON_F_MAX | 1213 HWMON_F_TARGET, 1214 HWMON_F_INPUT | HWMON_F_LABEL, 1215 HWMON_F_INPUT | HWMON_F_LABEL, 1216 HWMON_F_INPUT | HWMON_F_LABEL, 1217 HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_PULSES, 1218 HWMON_F_INPUT | HWMON_F_LABEL, 1219 HWMON_F_INPUT | HWMON_F_LABEL, 1220 HWMON_F_INPUT | HWMON_F_LABEL), 1221 HWMON_CHANNEL_INFO(power, 1222 HWMON_P_INPUT | HWMON_P_LABEL, 1223 HWMON_P_INPUT | HWMON_P_LABEL, 1224 HWMON_P_INPUT | HWMON_P_LABEL, 1225 HWMON_P_INPUT | HWMON_P_LABEL, 1226 HWMON_P_INPUT | HWMON_P_LABEL, 1227 HWMON_P_INPUT | HWMON_P_LABEL, 1228 HWMON_P_INPUT | HWMON_P_LABEL, 1229 HWMON_P_INPUT | HWMON_P_LABEL), 1230 HWMON_CHANNEL_INFO(pwm, 1231 HWMON_PWM_INPUT, 1232 HWMON_PWM_INPUT, 1233 HWMON_PWM_INPUT, 1234 HWMON_PWM_INPUT, 1235 HWMON_PWM_INPUT, 1236 HWMON_PWM_INPUT, 1237 HWMON_PWM_INPUT, 1238 HWMON_PWM_INPUT), 1239 HWMON_CHANNEL_INFO(in, 1240 HWMON_I_INPUT | HWMON_I_LABEL, 1241 HWMON_I_INPUT | HWMON_I_LABEL, 1242 HWMON_I_INPUT | HWMON_I_LABEL, 1243 HWMON_I_INPUT | HWMON_I_LABEL, 1244 HWMON_I_INPUT | HWMON_I_LABEL, 1245 HWMON_I_INPUT | HWMON_I_LABEL, 1246 HWMON_I_INPUT | HWMON_I_LABEL, 1247 HWMON_I_INPUT | HWMON_I_LABEL), 1248 HWMON_CHANNEL_INFO(curr, 1249 HWMON_C_INPUT | HWMON_C_LABEL, 1250 HWMON_C_INPUT | HWMON_C_LABEL, 1251 HWMON_C_INPUT | HWMON_C_LABEL, 1252 HWMON_C_INPUT | HWMON_C_LABEL, 1253 HWMON_C_INPUT | HWMON_C_LABEL, 1254 HWMON_C_INPUT | HWMON_C_LABEL, 1255 HWMON_C_INPUT | HWMON_C_LABEL, 1256 HWMON_C_INPUT | HWMON_C_LABEL), 1257 NULL 1258 }; 1259 1260 static const struct hwmon_chip_info aqc_chip_info = { 1261 .ops = &aqc_hwmon_ops, 1262 .info = aqc_info, 1263 }; 1264 1265 static int aqc_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) 1266 { 1267 int i, j, sensor_value; 1268 struct aqc_data *priv; 1269 1270 if (report->id != STATUS_REPORT_ID) 1271 return 0; 1272 1273 priv = hid_get_drvdata(hdev); 1274 1275 /* Info provided with every report */ 1276 priv->serial_number[0] = get_unaligned_be16(data + priv->serial_number_start_offset); 1277 priv->serial_number[1] = get_unaligned_be16(data + priv->serial_number_start_offset + 1278 SERIAL_PART_OFFSET); 1279 priv->firmware_version = get_unaligned_be16(data + priv->firmware_version_offset); 1280 1281 /* Physical temperature sensor readings */ 1282 for (i = 0; i < priv->num_temp_sensors; i++) { 1283 sensor_value = get_unaligned_be16(data + 1284 priv->temp_sensor_start_offset + 1285 i * AQC_SENSOR_SIZE); 1286 if (sensor_value == AQC_SENSOR_NA) 1287 priv->temp_input[i] = -ENODATA; 1288 else 1289 priv->temp_input[i] = sensor_value * 10; 1290 } 1291 1292 /* Virtual temperature sensor readings */ 1293 for (j = 0; j < priv->num_virtual_temp_sensors; j++) { 1294 sensor_value = get_unaligned_be16(data + 1295 priv->virtual_temp_sensor_start_offset + 1296 j * AQC_SENSOR_SIZE); 1297 if (sensor_value == AQC_SENSOR_NA) 1298 priv->temp_input[i] = -ENODATA; 1299 else 1300 priv->temp_input[i] = sensor_value * 10; 1301 i++; 1302 } 1303 1304 /* Fan speed and related readings */ 1305 for (i = 0; i < priv->num_fans; i++) { 1306 priv->speed_input[i] = 1307 get_unaligned_be16(data + priv->fan_sensor_offsets[i] + 1308 priv->fan_structure->speed); 1309 priv->power_input[i] = 1310 get_unaligned_be16(data + priv->fan_sensor_offsets[i] + 1311 priv->fan_structure->power) * 10000; 1312 priv->voltage_input[i] = 1313 get_unaligned_be16(data + priv->fan_sensor_offsets[i] + 1314 priv->fan_structure->voltage) * 10; 1315 priv->current_input[i] = 1316 get_unaligned_be16(data + priv->fan_sensor_offsets[i] + 1317 priv->fan_structure->curr); 1318 } 1319 1320 /* Flow sensor readings */ 1321 for (j = 0; j < priv->num_flow_sensors; j++) { 1322 priv->speed_input[i] = get_unaligned_be16(data + priv->flow_sensors_start_offset + 1323 j * AQC_SENSOR_SIZE); 1324 i++; 1325 } 1326 1327 if (priv->power_cycle_count_offset != 0) 1328 priv->power_cycles = get_unaligned_be32(data + priv->power_cycle_count_offset); 1329 1330 /* Special-case sensor readings */ 1331 switch (priv->kind) { 1332 case aquaero: 1333 /* Read calculated virtual temp sensors */ 1334 i = priv->num_temp_sensors + priv->num_virtual_temp_sensors; 1335 for (j = 0; j < priv->num_calc_virt_temp_sensors; j++) { 1336 sensor_value = get_unaligned_be16(data + 1337 priv->calc_virt_temp_sensor_start_offset + 1338 j * AQC_SENSOR_SIZE); 1339 if (sensor_value == AQC_SENSOR_NA) 1340 priv->temp_input[i] = -ENODATA; 1341 else 1342 priv->temp_input[i] = sensor_value * 10; 1343 i++; 1344 } 1345 break; 1346 case aquastreamult: 1347 priv->speed_input[1] = get_unaligned_be16(data + AQUASTREAMULT_PUMP_OFFSET); 1348 priv->speed_input[2] = get_unaligned_be16(data + AQUASTREAMULT_PRESSURE_OFFSET); 1349 priv->speed_input[3] = get_unaligned_be16(data + AQUASTREAMULT_FLOW_SENSOR_OFFSET); 1350 1351 priv->power_input[1] = get_unaligned_be16(data + AQUASTREAMULT_PUMP_POWER) * 10000; 1352 1353 priv->voltage_input[1] = get_unaligned_be16(data + AQUASTREAMULT_PUMP_VOLTAGE) * 10; 1354 1355 priv->current_input[1] = get_unaligned_be16(data + AQUASTREAMULT_PUMP_CURRENT); 1356 break; 1357 case d5next: 1358 priv->voltage_input[2] = get_unaligned_be16(data + D5NEXT_5V_VOLTAGE) * 10; 1359 priv->voltage_input[3] = get_unaligned_be16(data + D5NEXT_12V_VOLTAGE) * 10; 1360 break; 1361 case highflownext: 1362 /* If external temp sensor is not connected, its power reading is also N/A */ 1363 if (priv->temp_input[1] == -ENODATA) 1364 priv->power_input[0] = -ENODATA; 1365 else 1366 priv->power_input[0] = 1367 get_unaligned_be16(data + HIGHFLOWNEXT_POWER) * 1000000; 1368 1369 priv->voltage_input[0] = get_unaligned_be16(data + HIGHFLOWNEXT_5V_VOLTAGE) * 10; 1370 priv->voltage_input[1] = 1371 get_unaligned_be16(data + HIGHFLOWNEXT_5V_VOLTAGE_USB) * 10; 1372 1373 priv->speed_input[1] = get_unaligned_be16(data + HIGHFLOWNEXT_WATER_QUALITY); 1374 priv->speed_input[2] = get_unaligned_be16(data + HIGHFLOWNEXT_CONDUCTIVITY); 1375 break; 1376 case leakshield: 1377 priv->speed_input[0] = 1378 ((s16)get_unaligned_be16(data + LEAKSHIELD_PRESSURE_ADJUSTED)) * 100; 1379 priv->speed_input_min[0] = get_unaligned_be16(data + LEAKSHIELD_PRESSURE_MIN) * 100; 1380 priv->speed_input_target[0] = 1381 get_unaligned_be16(data + LEAKSHIELD_PRESSURE_TARGET) * 100; 1382 priv->speed_input_max[0] = get_unaligned_be16(data + LEAKSHIELD_PRESSURE_MAX) * 100; 1383 1384 priv->speed_input[1] = get_unaligned_be16(data + LEAKSHIELD_PUMP_RPM_IN); 1385 if (priv->speed_input[1] == AQC_SENSOR_NA) 1386 priv->speed_input[1] = -ENODATA; 1387 1388 priv->speed_input[2] = get_unaligned_be16(data + LEAKSHIELD_FLOW_IN); 1389 if (priv->speed_input[2] == AQC_SENSOR_NA) 1390 priv->speed_input[2] = -ENODATA; 1391 1392 priv->speed_input[3] = get_unaligned_be16(data + LEAKSHIELD_RESERVOIR_VOLUME); 1393 priv->speed_input[4] = get_unaligned_be16(data + LEAKSHIELD_RESERVOIR_FILLED); 1394 1395 /* Second temp sensor is not positioned after the first one, read it here */ 1396 priv->temp_input[1] = get_unaligned_be16(data + LEAKSHIELD_TEMPERATURE_2) * 10; 1397 break; 1398 default: 1399 break; 1400 } 1401 1402 priv->updated = jiffies; 1403 1404 return 0; 1405 } 1406 1407 #ifdef CONFIG_DEBUG_FS 1408 1409 static int serial_number_show(struct seq_file *seqf, void *unused) 1410 { 1411 struct aqc_data *priv = seqf->private; 1412 1413 seq_printf(seqf, "%05u-%05u\n", priv->serial_number[0], priv->serial_number[1]); 1414 1415 return 0; 1416 } 1417 DEFINE_SHOW_ATTRIBUTE(serial_number); 1418 1419 static int firmware_version_show(struct seq_file *seqf, void *unused) 1420 { 1421 struct aqc_data *priv = seqf->private; 1422 1423 seq_printf(seqf, "%u\n", priv->firmware_version); 1424 1425 return 0; 1426 } 1427 DEFINE_SHOW_ATTRIBUTE(firmware_version); 1428 1429 static int power_cycles_show(struct seq_file *seqf, void *unused) 1430 { 1431 struct aqc_data *priv = seqf->private; 1432 1433 seq_printf(seqf, "%u\n", priv->power_cycles); 1434 1435 return 0; 1436 } 1437 DEFINE_SHOW_ATTRIBUTE(power_cycles); 1438 1439 static void aqc_debugfs_init(struct aqc_data *priv) 1440 { 1441 char name[64]; 1442 1443 scnprintf(name, sizeof(name), "%s_%s-%s", "aquacomputer", priv->name, 1444 dev_name(&priv->hdev->dev)); 1445 1446 priv->debugfs = debugfs_create_dir(name, NULL); 1447 1448 if (priv->serial_number_start_offset != 0) 1449 debugfs_create_file("serial_number", 0444, priv->debugfs, priv, 1450 &serial_number_fops); 1451 if (priv->firmware_version_offset != 0) 1452 debugfs_create_file("firmware_version", 0444, priv->debugfs, priv, 1453 &firmware_version_fops); 1454 if (priv->power_cycle_count_offset != 0) 1455 debugfs_create_file("power_cycles", 0444, priv->debugfs, priv, &power_cycles_fops); 1456 } 1457 1458 #else 1459 1460 static void aqc_debugfs_init(struct aqc_data *priv) 1461 { 1462 } 1463 1464 #endif 1465 1466 static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id) 1467 { 1468 struct aqc_data *priv; 1469 int ret; 1470 1471 priv = devm_kzalloc(&hdev->dev, sizeof(*priv), GFP_KERNEL); 1472 if (!priv) 1473 return -ENOMEM; 1474 1475 priv->hdev = hdev; 1476 hid_set_drvdata(hdev, priv); 1477 1478 priv->updated = jiffies - STATUS_UPDATE_INTERVAL; 1479 1480 ret = hid_parse(hdev); 1481 if (ret) 1482 return ret; 1483 1484 ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); 1485 if (ret) 1486 return ret; 1487 1488 ret = hid_hw_open(hdev); 1489 if (ret) 1490 goto fail_and_stop; 1491 1492 switch (hdev->product) { 1493 case USB_PRODUCT_ID_AQUAERO: 1494 /* 1495 * Aquaero presents itself as three HID devices under the same product ID: 1496 * "aquaero keyboard/mouse", "aquaero System Control" and "aquaero Device", 1497 * which is the one we want to communicate with. Unlike most other Aquacomputer 1498 * devices, Aquaero does not return meaningful data when explicitly requested 1499 * using GET_FEATURE_REPORT. 1500 * 1501 * The difference between "aquaero Device" and the other two is in the collections 1502 * they present. The two other devices have the type of the second element in 1503 * their respective collections set to 1, while the real device has it set to 0. 1504 */ 1505 if (hdev->collection[1].type != 0) { 1506 ret = -ENODEV; 1507 goto fail_and_close; 1508 } 1509 1510 priv->kind = aquaero; 1511 1512 priv->num_fans = AQUAERO_NUM_FANS; 1513 priv->fan_sensor_offsets = aquaero_sensor_fan_offsets; 1514 priv->fan_ctrl_offsets = aquaero_ctrl_fan_offsets; 1515 1516 priv->num_temp_sensors = AQUAERO_NUM_SENSORS; 1517 priv->temp_sensor_start_offset = AQUAERO_SENSOR_START; 1518 priv->num_virtual_temp_sensors = AQUAERO_NUM_VIRTUAL_SENSORS; 1519 priv->virtual_temp_sensor_start_offset = AQUAERO_VIRTUAL_SENSOR_START; 1520 priv->num_calc_virt_temp_sensors = AQUAERO_NUM_CALC_VIRTUAL_SENSORS; 1521 priv->calc_virt_temp_sensor_start_offset = AQUAERO_CALC_VIRTUAL_SENSOR_START; 1522 priv->num_flow_sensors = AQUAERO_NUM_FLOW_SENSORS; 1523 priv->flow_sensors_start_offset = AQUAERO_FLOW_SENSORS_START; 1524 1525 priv->buffer_size = AQUAERO_CTRL_REPORT_SIZE; 1526 priv->temp_ctrl_offset = AQUAERO_TEMP_CTRL_OFFSET; 1527 1528 priv->temp_label = label_temp_sensors; 1529 priv->virtual_temp_label = label_virtual_temp_sensors; 1530 priv->calc_virt_temp_label = label_aquaero_calc_temp_sensors; 1531 priv->speed_label = label_aquaero_speeds; 1532 priv->power_label = label_fan_power; 1533 priv->voltage_label = label_fan_voltage; 1534 priv->current_label = label_fan_current; 1535 break; 1536 case USB_PRODUCT_ID_D5NEXT: 1537 priv->kind = d5next; 1538 1539 priv->num_fans = D5NEXT_NUM_FANS; 1540 priv->fan_sensor_offsets = d5next_sensor_fan_offsets; 1541 priv->fan_ctrl_offsets = d5next_ctrl_fan_offsets; 1542 1543 priv->num_temp_sensors = D5NEXT_NUM_SENSORS; 1544 priv->temp_sensor_start_offset = D5NEXT_COOLANT_TEMP; 1545 priv->num_virtual_temp_sensors = D5NEXT_NUM_VIRTUAL_SENSORS; 1546 priv->virtual_temp_sensor_start_offset = D5NEXT_VIRTUAL_SENSORS_START; 1547 priv->temp_ctrl_offset = D5NEXT_TEMP_CTRL_OFFSET; 1548 1549 priv->buffer_size = D5NEXT_CTRL_REPORT_SIZE; 1550 1551 priv->power_cycle_count_offset = D5NEXT_POWER_CYCLES; 1552 1553 priv->temp_label = label_d5next_temp; 1554 priv->virtual_temp_label = label_virtual_temp_sensors; 1555 priv->speed_label = label_d5next_speeds; 1556 priv->power_label = label_d5next_power; 1557 priv->voltage_label = label_d5next_voltages; 1558 priv->current_label = label_d5next_current; 1559 break; 1560 case USB_PRODUCT_ID_FARBWERK: 1561 priv->kind = farbwerk; 1562 1563 priv->num_fans = 0; 1564 1565 priv->num_temp_sensors = FARBWERK_NUM_SENSORS; 1566 priv->temp_sensor_start_offset = FARBWERK_SENSOR_START; 1567 1568 priv->temp_label = label_temp_sensors; 1569 break; 1570 case USB_PRODUCT_ID_FARBWERK360: 1571 priv->kind = farbwerk360; 1572 1573 priv->num_fans = 0; 1574 1575 priv->num_temp_sensors = FARBWERK360_NUM_SENSORS; 1576 priv->temp_sensor_start_offset = FARBWERK360_SENSOR_START; 1577 priv->num_virtual_temp_sensors = FARBWERK360_NUM_VIRTUAL_SENSORS; 1578 priv->virtual_temp_sensor_start_offset = FARBWERK360_VIRTUAL_SENSORS_START; 1579 priv->temp_ctrl_offset = FARBWERK360_TEMP_CTRL_OFFSET; 1580 1581 priv->buffer_size = FARBWERK360_CTRL_REPORT_SIZE; 1582 1583 priv->temp_label = label_temp_sensors; 1584 priv->virtual_temp_label = label_virtual_temp_sensors; 1585 break; 1586 case USB_PRODUCT_ID_OCTO: 1587 priv->kind = octo; 1588 1589 priv->num_fans = OCTO_NUM_FANS; 1590 priv->fan_sensor_offsets = octo_sensor_fan_offsets; 1591 priv->fan_ctrl_offsets = octo_ctrl_fan_offsets; 1592 1593 priv->num_temp_sensors = OCTO_NUM_SENSORS; 1594 priv->temp_sensor_start_offset = OCTO_SENSOR_START; 1595 priv->num_virtual_temp_sensors = OCTO_NUM_VIRTUAL_SENSORS; 1596 priv->virtual_temp_sensor_start_offset = OCTO_VIRTUAL_SENSORS_START; 1597 priv->temp_ctrl_offset = OCTO_TEMP_CTRL_OFFSET; 1598 1599 priv->buffer_size = OCTO_CTRL_REPORT_SIZE; 1600 1601 priv->power_cycle_count_offset = OCTO_POWER_CYCLES; 1602 1603 priv->temp_label = label_temp_sensors; 1604 priv->virtual_temp_label = label_virtual_temp_sensors; 1605 priv->speed_label = label_fan_speed; 1606 priv->power_label = label_fan_power; 1607 priv->voltage_label = label_fan_voltage; 1608 priv->current_label = label_fan_current; 1609 break; 1610 case USB_PRODUCT_ID_QUADRO: 1611 priv->kind = quadro; 1612 1613 priv->num_fans = QUADRO_NUM_FANS; 1614 priv->fan_sensor_offsets = quadro_sensor_fan_offsets; 1615 priv->fan_ctrl_offsets = quadro_ctrl_fan_offsets; 1616 1617 priv->num_temp_sensors = QUADRO_NUM_SENSORS; 1618 priv->temp_sensor_start_offset = QUADRO_SENSOR_START; 1619 priv->num_virtual_temp_sensors = QUADRO_NUM_VIRTUAL_SENSORS; 1620 priv->virtual_temp_sensor_start_offset = QUADRO_VIRTUAL_SENSORS_START; 1621 priv->num_flow_sensors = QUADRO_NUM_FLOW_SENSORS; 1622 priv->flow_sensors_start_offset = QUADRO_FLOW_SENSOR_OFFSET; 1623 1624 priv->temp_ctrl_offset = QUADRO_TEMP_CTRL_OFFSET; 1625 1626 priv->buffer_size = QUADRO_CTRL_REPORT_SIZE; 1627 1628 priv->flow_pulses_ctrl_offset = QUADRO_FLOW_PULSES_CTRL_OFFSET; 1629 priv->power_cycle_count_offset = QUADRO_POWER_CYCLES; 1630 1631 priv->temp_label = label_temp_sensors; 1632 priv->virtual_temp_label = label_virtual_temp_sensors; 1633 priv->speed_label = label_quadro_speeds; 1634 priv->power_label = label_fan_power; 1635 priv->voltage_label = label_fan_voltage; 1636 priv->current_label = label_fan_current; 1637 break; 1638 case USB_PRODUCT_ID_HIGHFLOWNEXT: 1639 priv->kind = highflownext; 1640 1641 priv->num_fans = 0; 1642 1643 priv->num_temp_sensors = HIGHFLOWNEXT_NUM_SENSORS; 1644 priv->temp_sensor_start_offset = HIGHFLOWNEXT_SENSOR_START; 1645 priv->num_flow_sensors = HIGHFLOWNEXT_NUM_FLOW_SENSORS; 1646 priv->flow_sensors_start_offset = HIGHFLOWNEXT_FLOW; 1647 1648 priv->power_cycle_count_offset = QUADRO_POWER_CYCLES; 1649 1650 priv->temp_label = label_highflownext_temp_sensors; 1651 priv->speed_label = label_highflownext_fan_speed; 1652 priv->power_label = label_highflownext_power; 1653 priv->voltage_label = label_highflownext_voltage; 1654 break; 1655 case USB_PRODUCT_ID_LEAKSHIELD: 1656 /* 1657 * Choose the right Leakshield device, because 1658 * the other one acts as a keyboard 1659 */ 1660 if (hdev->type != 2) { 1661 ret = -ENODEV; 1662 goto fail_and_close; 1663 } 1664 1665 priv->kind = leakshield; 1666 1667 priv->num_fans = 0; 1668 priv->num_temp_sensors = LEAKSHIELD_NUM_SENSORS; 1669 priv->temp_sensor_start_offset = LEAKSHIELD_TEMPERATURE_1; 1670 1671 priv->temp_label = label_leakshield_temp_sensors; 1672 priv->speed_label = label_leakshield_fan_speed; 1673 break; 1674 case USB_PRODUCT_ID_AQUASTREAMXT: 1675 priv->kind = aquastreamxt; 1676 1677 priv->num_fans = AQUASTREAMXT_NUM_FANS; 1678 priv->fan_sensor_offsets = aquastreamxt_sensor_fan_offsets; 1679 1680 priv->num_temp_sensors = AQUASTREAMXT_NUM_SENSORS; 1681 priv->temp_sensor_start_offset = AQUASTREAMXT_SENSOR_START; 1682 priv->buffer_size = AQUASTREAMXT_SENSOR_REPORT_SIZE; 1683 1684 priv->temp_label = label_aquastreamxt_temp_sensors; 1685 priv->speed_label = label_d5next_speeds; 1686 priv->voltage_label = label_d5next_voltages; 1687 priv->current_label = label_d5next_current; 1688 break; 1689 case USB_PRODUCT_ID_AQUASTREAMULT: 1690 priv->kind = aquastreamult; 1691 1692 priv->num_fans = AQUASTREAMULT_NUM_FANS; 1693 priv->fan_sensor_offsets = aquastreamult_sensor_fan_offsets; 1694 1695 priv->num_temp_sensors = AQUASTREAMULT_NUM_SENSORS; 1696 priv->temp_sensor_start_offset = AQUASTREAMULT_SENSOR_START; 1697 1698 priv->temp_label = label_aquastreamult_temp; 1699 priv->speed_label = label_aquastreamult_speeds; 1700 priv->power_label = label_aquastreamult_power; 1701 priv->voltage_label = label_aquastreamult_voltages; 1702 priv->current_label = label_aquastreamult_current; 1703 break; 1704 case USB_PRODUCT_ID_POWERADJUST3: 1705 priv->kind = poweradjust3; 1706 1707 priv->num_fans = 0; 1708 1709 priv->num_temp_sensors = POWERADJUST3_NUM_SENSORS; 1710 priv->temp_sensor_start_offset = POWERADJUST3_SENSOR_START; 1711 priv->buffer_size = POWERADJUST3_SENSOR_REPORT_SIZE; 1712 1713 priv->temp_label = label_poweradjust3_temp_sensors; 1714 break; 1715 default: 1716 break; 1717 } 1718 1719 switch (priv->kind) { 1720 case aquaero: 1721 priv->serial_number_start_offset = AQUAERO_SERIAL_START; 1722 priv->firmware_version_offset = AQUAERO_FIRMWARE_VERSION; 1723 1724 priv->fan_structure = &aqc_aquaero_fan_structure; 1725 1726 priv->ctrl_report_id = AQUAERO_CTRL_REPORT_ID; 1727 priv->secondary_ctrl_report_id = AQUAERO_SECONDARY_CTRL_REPORT_ID; 1728 priv->secondary_ctrl_report_size = AQUAERO_SECONDARY_CTRL_REPORT_SIZE; 1729 priv->secondary_ctrl_report = aquaero_secondary_ctrl_report; 1730 break; 1731 case poweradjust3: 1732 priv->status_report_id = POWERADJUST3_STATUS_REPORT_ID; 1733 break; 1734 case aquastreamxt: 1735 priv->serial_number_start_offset = AQUASTREAMXT_SERIAL_START; 1736 priv->firmware_version_offset = AQUASTREAMXT_FIRMWARE_VERSION; 1737 1738 priv->status_report_id = AQUASTREAMXT_STATUS_REPORT_ID; 1739 break; 1740 default: 1741 priv->serial_number_start_offset = AQC_SERIAL_START; 1742 priv->firmware_version_offset = AQC_FIRMWARE_VERSION; 1743 1744 priv->ctrl_report_id = CTRL_REPORT_ID; 1745 priv->secondary_ctrl_report_id = SECONDARY_CTRL_REPORT_ID; 1746 priv->secondary_ctrl_report_size = SECONDARY_CTRL_REPORT_SIZE; 1747 priv->secondary_ctrl_report = secondary_ctrl_report; 1748 1749 if (priv->kind == aquastreamult) 1750 priv->fan_structure = &aqc_aquastreamult_fan_structure; 1751 else 1752 priv->fan_structure = &aqc_general_fan_structure; 1753 break; 1754 } 1755 1756 if (priv->buffer_size != 0) { 1757 priv->checksum_start = 0x01; 1758 priv->checksum_length = priv->buffer_size - 3; 1759 priv->checksum_offset = priv->buffer_size - 2; 1760 } 1761 1762 priv->name = aqc_device_names[priv->kind]; 1763 1764 priv->buffer = devm_kzalloc(&hdev->dev, priv->buffer_size, GFP_KERNEL); 1765 if (!priv->buffer) { 1766 ret = -ENOMEM; 1767 goto fail_and_close; 1768 } 1769 1770 mutex_init(&priv->mutex); 1771 1772 priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, priv->name, priv, 1773 &aqc_chip_info, NULL); 1774 1775 if (IS_ERR(priv->hwmon_dev)) { 1776 ret = PTR_ERR(priv->hwmon_dev); 1777 goto fail_and_close; 1778 } 1779 1780 aqc_debugfs_init(priv); 1781 1782 return 0; 1783 1784 fail_and_close: 1785 hid_hw_close(hdev); 1786 fail_and_stop: 1787 hid_hw_stop(hdev); 1788 return ret; 1789 } 1790 1791 static void aqc_remove(struct hid_device *hdev) 1792 { 1793 struct aqc_data *priv = hid_get_drvdata(hdev); 1794 1795 debugfs_remove_recursive(priv->debugfs); 1796 hwmon_device_unregister(priv->hwmon_dev); 1797 1798 hid_hw_close(hdev); 1799 hid_hw_stop(hdev); 1800 } 1801 1802 static const struct hid_device_id aqc_table[] = { 1803 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_AQUAERO) }, 1804 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_D5NEXT) }, 1805 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_FARBWERK) }, 1806 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_FARBWERK360) }, 1807 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_OCTO) }, 1808 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_QUADRO) }, 1809 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_HIGHFLOWNEXT) }, 1810 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_LEAKSHIELD) }, 1811 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_AQUASTREAMXT) }, 1812 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_AQUASTREAMULT) }, 1813 { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_POWERADJUST3) }, 1814 { } 1815 }; 1816 1817 MODULE_DEVICE_TABLE(hid, aqc_table); 1818 1819 static struct hid_driver aqc_driver = { 1820 .name = DRIVER_NAME, 1821 .id_table = aqc_table, 1822 .probe = aqc_probe, 1823 .remove = aqc_remove, 1824 .raw_event = aqc_raw_event, 1825 }; 1826 1827 static int __init aqc_init(void) 1828 { 1829 return hid_register_driver(&aqc_driver); 1830 } 1831 1832 static void __exit aqc_exit(void) 1833 { 1834 hid_unregister_driver(&aqc_driver); 1835 } 1836 1837 /* Request to initialize after the HID bus to ensure it's not being loaded before */ 1838 late_initcall(aqc_init); 1839 module_exit(aqc_exit); 1840 1841 MODULE_LICENSE("GPL"); 1842 MODULE_AUTHOR("Aleksa Savic <savicaleksa83@gmail.com>"); 1843 MODULE_AUTHOR("Jack Doan <me@jackdoan.com>"); 1844 MODULE_DESCRIPTION("Hwmon driver for Aquacomputer devices"); 1845