1 /*************************************************************************** 2 * Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com> * 3 * * 4 * This program is free software; you can redistribute it and/or modify * 5 * it under the terms of the GNU General Public License as published by * 6 * the Free Software Foundation; either version 2 of the License, or * 7 * (at your option) any later version. * 8 * * 9 * This program is distributed in the hope that it will be useful, * 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 12 * GNU General Public License for more details. * 13 * * 14 * You should have received a copy of the GNU General Public License * 15 * along with this program; if not, write to the * 16 * Free Software Foundation, Inc., * 17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 18 ***************************************************************************/ 19 20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 21 22 #include <linux/module.h> 23 #include <linux/init.h> 24 #include <linux/slab.h> 25 #include <linux/jiffies.h> 26 #include <linux/platform_device.h> 27 #include <linux/hwmon.h> 28 #include <linux/hwmon-sysfs.h> 29 #include <linux/err.h> 30 #include <linux/mutex.h> 31 #include "sch56xx-common.h" 32 33 #define DRVNAME "sch5636" 34 #define DEVNAME "theseus" /* We only support one model for now */ 35 36 #define SCH5636_REG_FUJITSU_ID 0x780 37 #define SCH5636_REG_FUJITSU_REV 0x783 38 39 #define SCH5636_NO_INS 5 40 #define SCH5636_NO_TEMPS 16 41 #define SCH5636_NO_FANS 8 42 43 static const u16 SCH5636_REG_IN_VAL[SCH5636_NO_INS] = { 44 0x22, 0x23, 0x24, 0x25, 0x189 }; 45 static const u16 SCH5636_REG_IN_FACTORS[SCH5636_NO_INS] = { 46 4400, 1500, 4000, 4400, 16000 }; 47 static const char * const SCH5636_IN_LABELS[SCH5636_NO_INS] = { 48 "3.3V", "VREF", "VBAT", "3.3AUX", "12V" }; 49 50 static const u16 SCH5636_REG_TEMP_VAL[SCH5636_NO_TEMPS] = { 51 0x2B, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x180, 0x181, 52 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C }; 53 #define SCH5636_REG_TEMP_CTRL(i) (0x790 + (i)) 54 #define SCH5636_TEMP_WORKING 0x01 55 #define SCH5636_TEMP_ALARM 0x02 56 #define SCH5636_TEMP_DEACTIVATED 0x80 57 58 static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = { 59 0x2C, 0x2E, 0x30, 0x32, 0x62, 0x64, 0x66, 0x68 }; 60 #define SCH5636_REG_FAN_CTRL(i) (0x880 + (i)) 61 /* FAULT in datasheet, but acts as an alarm */ 62 #define SCH5636_FAN_ALARM 0x04 63 #define SCH5636_FAN_NOT_PRESENT 0x08 64 #define SCH5636_FAN_DEACTIVATED 0x80 65 66 67 struct sch5636_data { 68 unsigned short addr; 69 struct device *hwmon_dev; 70 struct sch56xx_watchdog_data *watchdog; 71 72 struct mutex update_lock; 73 char valid; /* !=0 if following fields are valid */ 74 unsigned long last_updated; /* In jiffies */ 75 u8 in[SCH5636_NO_INS]; 76 u8 temp_val[SCH5636_NO_TEMPS]; 77 u8 temp_ctrl[SCH5636_NO_TEMPS]; 78 u16 fan_val[SCH5636_NO_FANS]; 79 u8 fan_ctrl[SCH5636_NO_FANS]; 80 }; 81 82 static struct sch5636_data *sch5636_update_device(struct device *dev) 83 { 84 struct sch5636_data *data = dev_get_drvdata(dev); 85 struct sch5636_data *ret = data; 86 int i, val; 87 88 mutex_lock(&data->update_lock); 89 90 /* Cache the values for 1 second */ 91 if (data->valid && !time_after(jiffies, data->last_updated + HZ)) 92 goto abort; 93 94 for (i = 0; i < SCH5636_NO_INS; i++) { 95 val = sch56xx_read_virtual_reg(data->addr, 96 SCH5636_REG_IN_VAL[i]); 97 if (unlikely(val < 0)) { 98 ret = ERR_PTR(val); 99 goto abort; 100 } 101 data->in[i] = val; 102 } 103 104 for (i = 0; i < SCH5636_NO_TEMPS; i++) { 105 if (data->temp_ctrl[i] & SCH5636_TEMP_DEACTIVATED) 106 continue; 107 108 val = sch56xx_read_virtual_reg(data->addr, 109 SCH5636_REG_TEMP_VAL[i]); 110 if (unlikely(val < 0)) { 111 ret = ERR_PTR(val); 112 goto abort; 113 } 114 data->temp_val[i] = val; 115 116 val = sch56xx_read_virtual_reg(data->addr, 117 SCH5636_REG_TEMP_CTRL(i)); 118 if (unlikely(val < 0)) { 119 ret = ERR_PTR(val); 120 goto abort; 121 } 122 data->temp_ctrl[i] = val; 123 /* Alarms need to be explicitly write-cleared */ 124 if (val & SCH5636_TEMP_ALARM) { 125 sch56xx_write_virtual_reg(data->addr, 126 SCH5636_REG_TEMP_CTRL(i), val); 127 } 128 } 129 130 for (i = 0; i < SCH5636_NO_FANS; i++) { 131 if (data->fan_ctrl[i] & SCH5636_FAN_DEACTIVATED) 132 continue; 133 134 val = sch56xx_read_virtual_reg16(data->addr, 135 SCH5636_REG_FAN_VAL[i]); 136 if (unlikely(val < 0)) { 137 ret = ERR_PTR(val); 138 goto abort; 139 } 140 data->fan_val[i] = val; 141 142 val = sch56xx_read_virtual_reg(data->addr, 143 SCH5636_REG_FAN_CTRL(i)); 144 if (unlikely(val < 0)) { 145 ret = ERR_PTR(val); 146 goto abort; 147 } 148 data->fan_ctrl[i] = val; 149 /* Alarms need to be explicitly write-cleared */ 150 if (val & SCH5636_FAN_ALARM) { 151 sch56xx_write_virtual_reg(data->addr, 152 SCH5636_REG_FAN_CTRL(i), val); 153 } 154 } 155 156 data->last_updated = jiffies; 157 data->valid = 1; 158 abort: 159 mutex_unlock(&data->update_lock); 160 return ret; 161 } 162 163 static int reg_to_rpm(u16 reg) 164 { 165 if (reg == 0) 166 return -EIO; 167 if (reg == 0xffff) 168 return 0; 169 170 return 5400540 / reg; 171 } 172 173 static ssize_t show_name(struct device *dev, struct device_attribute *devattr, 174 char *buf) 175 { 176 return snprintf(buf, PAGE_SIZE, "%s\n", DEVNAME); 177 } 178 179 static ssize_t show_in_value(struct device *dev, struct device_attribute 180 *devattr, char *buf) 181 { 182 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 183 struct sch5636_data *data = sch5636_update_device(dev); 184 int val; 185 186 if (IS_ERR(data)) 187 return PTR_ERR(data); 188 189 val = DIV_ROUND_CLOSEST( 190 data->in[attr->index] * SCH5636_REG_IN_FACTORS[attr->index], 191 255); 192 return snprintf(buf, PAGE_SIZE, "%d\n", val); 193 } 194 195 static ssize_t show_in_label(struct device *dev, struct device_attribute 196 *devattr, char *buf) 197 { 198 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 199 200 return snprintf(buf, PAGE_SIZE, "%s\n", 201 SCH5636_IN_LABELS[attr->index]); 202 } 203 204 static ssize_t show_temp_value(struct device *dev, struct device_attribute 205 *devattr, char *buf) 206 { 207 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 208 struct sch5636_data *data = sch5636_update_device(dev); 209 int val; 210 211 if (IS_ERR(data)) 212 return PTR_ERR(data); 213 214 val = (data->temp_val[attr->index] - 64) * 1000; 215 return snprintf(buf, PAGE_SIZE, "%d\n", val); 216 } 217 218 static ssize_t show_temp_fault(struct device *dev, struct device_attribute 219 *devattr, char *buf) 220 { 221 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 222 struct sch5636_data *data = sch5636_update_device(dev); 223 int val; 224 225 if (IS_ERR(data)) 226 return PTR_ERR(data); 227 228 val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_WORKING) ? 0 : 1; 229 return snprintf(buf, PAGE_SIZE, "%d\n", val); 230 } 231 232 static ssize_t show_temp_alarm(struct device *dev, struct device_attribute 233 *devattr, char *buf) 234 { 235 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 236 struct sch5636_data *data = sch5636_update_device(dev); 237 int val; 238 239 if (IS_ERR(data)) 240 return PTR_ERR(data); 241 242 val = (data->temp_ctrl[attr->index] & SCH5636_TEMP_ALARM) ? 1 : 0; 243 return snprintf(buf, PAGE_SIZE, "%d\n", val); 244 } 245 246 static ssize_t show_fan_value(struct device *dev, struct device_attribute 247 *devattr, char *buf) 248 { 249 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 250 struct sch5636_data *data = sch5636_update_device(dev); 251 int val; 252 253 if (IS_ERR(data)) 254 return PTR_ERR(data); 255 256 val = reg_to_rpm(data->fan_val[attr->index]); 257 if (val < 0) 258 return val; 259 260 return snprintf(buf, PAGE_SIZE, "%d\n", val); 261 } 262 263 static ssize_t show_fan_fault(struct device *dev, struct device_attribute 264 *devattr, char *buf) 265 { 266 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 267 struct sch5636_data *data = sch5636_update_device(dev); 268 int val; 269 270 if (IS_ERR(data)) 271 return PTR_ERR(data); 272 273 val = (data->fan_ctrl[attr->index] & SCH5636_FAN_NOT_PRESENT) ? 1 : 0; 274 return snprintf(buf, PAGE_SIZE, "%d\n", val); 275 } 276 277 static ssize_t show_fan_alarm(struct device *dev, struct device_attribute 278 *devattr, char *buf) 279 { 280 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 281 struct sch5636_data *data = sch5636_update_device(dev); 282 int val; 283 284 if (IS_ERR(data)) 285 return PTR_ERR(data); 286 287 val = (data->fan_ctrl[attr->index] & SCH5636_FAN_ALARM) ? 1 : 0; 288 return snprintf(buf, PAGE_SIZE, "%d\n", val); 289 } 290 291 static struct sensor_device_attribute sch5636_attr[] = { 292 SENSOR_ATTR(name, 0444, show_name, NULL, 0), 293 SENSOR_ATTR(in0_input, 0444, show_in_value, NULL, 0), 294 SENSOR_ATTR(in0_label, 0444, show_in_label, NULL, 0), 295 SENSOR_ATTR(in1_input, 0444, show_in_value, NULL, 1), 296 SENSOR_ATTR(in1_label, 0444, show_in_label, NULL, 1), 297 SENSOR_ATTR(in2_input, 0444, show_in_value, NULL, 2), 298 SENSOR_ATTR(in2_label, 0444, show_in_label, NULL, 2), 299 SENSOR_ATTR(in3_input, 0444, show_in_value, NULL, 3), 300 SENSOR_ATTR(in3_label, 0444, show_in_label, NULL, 3), 301 SENSOR_ATTR(in4_input, 0444, show_in_value, NULL, 4), 302 SENSOR_ATTR(in4_label, 0444, show_in_label, NULL, 4), 303 }; 304 305 static struct sensor_device_attribute sch5636_temp_attr[] = { 306 SENSOR_ATTR(temp1_input, 0444, show_temp_value, NULL, 0), 307 SENSOR_ATTR(temp1_fault, 0444, show_temp_fault, NULL, 0), 308 SENSOR_ATTR(temp1_alarm, 0444, show_temp_alarm, NULL, 0), 309 SENSOR_ATTR(temp2_input, 0444, show_temp_value, NULL, 1), 310 SENSOR_ATTR(temp2_fault, 0444, show_temp_fault, NULL, 1), 311 SENSOR_ATTR(temp2_alarm, 0444, show_temp_alarm, NULL, 1), 312 SENSOR_ATTR(temp3_input, 0444, show_temp_value, NULL, 2), 313 SENSOR_ATTR(temp3_fault, 0444, show_temp_fault, NULL, 2), 314 SENSOR_ATTR(temp3_alarm, 0444, show_temp_alarm, NULL, 2), 315 SENSOR_ATTR(temp4_input, 0444, show_temp_value, NULL, 3), 316 SENSOR_ATTR(temp4_fault, 0444, show_temp_fault, NULL, 3), 317 SENSOR_ATTR(temp4_alarm, 0444, show_temp_alarm, NULL, 3), 318 SENSOR_ATTR(temp5_input, 0444, show_temp_value, NULL, 4), 319 SENSOR_ATTR(temp5_fault, 0444, show_temp_fault, NULL, 4), 320 SENSOR_ATTR(temp5_alarm, 0444, show_temp_alarm, NULL, 4), 321 SENSOR_ATTR(temp6_input, 0444, show_temp_value, NULL, 5), 322 SENSOR_ATTR(temp6_fault, 0444, show_temp_fault, NULL, 5), 323 SENSOR_ATTR(temp6_alarm, 0444, show_temp_alarm, NULL, 5), 324 SENSOR_ATTR(temp7_input, 0444, show_temp_value, NULL, 6), 325 SENSOR_ATTR(temp7_fault, 0444, show_temp_fault, NULL, 6), 326 SENSOR_ATTR(temp7_alarm, 0444, show_temp_alarm, NULL, 6), 327 SENSOR_ATTR(temp8_input, 0444, show_temp_value, NULL, 7), 328 SENSOR_ATTR(temp8_fault, 0444, show_temp_fault, NULL, 7), 329 SENSOR_ATTR(temp8_alarm, 0444, show_temp_alarm, NULL, 7), 330 SENSOR_ATTR(temp9_input, 0444, show_temp_value, NULL, 8), 331 SENSOR_ATTR(temp9_fault, 0444, show_temp_fault, NULL, 8), 332 SENSOR_ATTR(temp9_alarm, 0444, show_temp_alarm, NULL, 8), 333 SENSOR_ATTR(temp10_input, 0444, show_temp_value, NULL, 9), 334 SENSOR_ATTR(temp10_fault, 0444, show_temp_fault, NULL, 9), 335 SENSOR_ATTR(temp10_alarm, 0444, show_temp_alarm, NULL, 9), 336 SENSOR_ATTR(temp11_input, 0444, show_temp_value, NULL, 10), 337 SENSOR_ATTR(temp11_fault, 0444, show_temp_fault, NULL, 10), 338 SENSOR_ATTR(temp11_alarm, 0444, show_temp_alarm, NULL, 10), 339 SENSOR_ATTR(temp12_input, 0444, show_temp_value, NULL, 11), 340 SENSOR_ATTR(temp12_fault, 0444, show_temp_fault, NULL, 11), 341 SENSOR_ATTR(temp12_alarm, 0444, show_temp_alarm, NULL, 11), 342 SENSOR_ATTR(temp13_input, 0444, show_temp_value, NULL, 12), 343 SENSOR_ATTR(temp13_fault, 0444, show_temp_fault, NULL, 12), 344 SENSOR_ATTR(temp13_alarm, 0444, show_temp_alarm, NULL, 12), 345 SENSOR_ATTR(temp14_input, 0444, show_temp_value, NULL, 13), 346 SENSOR_ATTR(temp14_fault, 0444, show_temp_fault, NULL, 13), 347 SENSOR_ATTR(temp14_alarm, 0444, show_temp_alarm, NULL, 13), 348 SENSOR_ATTR(temp15_input, 0444, show_temp_value, NULL, 14), 349 SENSOR_ATTR(temp15_fault, 0444, show_temp_fault, NULL, 14), 350 SENSOR_ATTR(temp15_alarm, 0444, show_temp_alarm, NULL, 14), 351 SENSOR_ATTR(temp16_input, 0444, show_temp_value, NULL, 15), 352 SENSOR_ATTR(temp16_fault, 0444, show_temp_fault, NULL, 15), 353 SENSOR_ATTR(temp16_alarm, 0444, show_temp_alarm, NULL, 15), 354 }; 355 356 static struct sensor_device_attribute sch5636_fan_attr[] = { 357 SENSOR_ATTR(fan1_input, 0444, show_fan_value, NULL, 0), 358 SENSOR_ATTR(fan1_fault, 0444, show_fan_fault, NULL, 0), 359 SENSOR_ATTR(fan1_alarm, 0444, show_fan_alarm, NULL, 0), 360 SENSOR_ATTR(fan2_input, 0444, show_fan_value, NULL, 1), 361 SENSOR_ATTR(fan2_fault, 0444, show_fan_fault, NULL, 1), 362 SENSOR_ATTR(fan2_alarm, 0444, show_fan_alarm, NULL, 1), 363 SENSOR_ATTR(fan3_input, 0444, show_fan_value, NULL, 2), 364 SENSOR_ATTR(fan3_fault, 0444, show_fan_fault, NULL, 2), 365 SENSOR_ATTR(fan3_alarm, 0444, show_fan_alarm, NULL, 2), 366 SENSOR_ATTR(fan4_input, 0444, show_fan_value, NULL, 3), 367 SENSOR_ATTR(fan4_fault, 0444, show_fan_fault, NULL, 3), 368 SENSOR_ATTR(fan4_alarm, 0444, show_fan_alarm, NULL, 3), 369 SENSOR_ATTR(fan5_input, 0444, show_fan_value, NULL, 4), 370 SENSOR_ATTR(fan5_fault, 0444, show_fan_fault, NULL, 4), 371 SENSOR_ATTR(fan5_alarm, 0444, show_fan_alarm, NULL, 4), 372 SENSOR_ATTR(fan6_input, 0444, show_fan_value, NULL, 5), 373 SENSOR_ATTR(fan6_fault, 0444, show_fan_fault, NULL, 5), 374 SENSOR_ATTR(fan6_alarm, 0444, show_fan_alarm, NULL, 5), 375 SENSOR_ATTR(fan7_input, 0444, show_fan_value, NULL, 6), 376 SENSOR_ATTR(fan7_fault, 0444, show_fan_fault, NULL, 6), 377 SENSOR_ATTR(fan7_alarm, 0444, show_fan_alarm, NULL, 6), 378 SENSOR_ATTR(fan8_input, 0444, show_fan_value, NULL, 7), 379 SENSOR_ATTR(fan8_fault, 0444, show_fan_fault, NULL, 7), 380 SENSOR_ATTR(fan8_alarm, 0444, show_fan_alarm, NULL, 7), 381 }; 382 383 static int sch5636_remove(struct platform_device *pdev) 384 { 385 struct sch5636_data *data = platform_get_drvdata(pdev); 386 int i; 387 388 if (data->watchdog) 389 sch56xx_watchdog_unregister(data->watchdog); 390 391 if (data->hwmon_dev) 392 hwmon_device_unregister(data->hwmon_dev); 393 394 for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) 395 device_remove_file(&pdev->dev, &sch5636_attr[i].dev_attr); 396 397 for (i = 0; i < SCH5636_NO_TEMPS * 3; i++) 398 device_remove_file(&pdev->dev, 399 &sch5636_temp_attr[i].dev_attr); 400 401 for (i = 0; i < SCH5636_NO_FANS * 3; i++) 402 device_remove_file(&pdev->dev, 403 &sch5636_fan_attr[i].dev_attr); 404 405 platform_set_drvdata(pdev, NULL); 406 kfree(data); 407 408 return 0; 409 } 410 411 static int __devinit sch5636_probe(struct platform_device *pdev) 412 { 413 struct sch5636_data *data; 414 int i, err, val, revision[2]; 415 char id[4]; 416 417 data = kzalloc(sizeof(struct sch5636_data), GFP_KERNEL); 418 if (!data) 419 return -ENOMEM; 420 421 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; 422 mutex_init(&data->update_lock); 423 platform_set_drvdata(pdev, data); 424 425 for (i = 0; i < 3; i++) { 426 val = sch56xx_read_virtual_reg(data->addr, 427 SCH5636_REG_FUJITSU_ID + i); 428 if (val < 0) { 429 pr_err("Could not read Fujitsu id byte at %#x\n", 430 SCH5636_REG_FUJITSU_ID + i); 431 err = val; 432 goto error; 433 } 434 id[i] = val; 435 } 436 id[i] = '\0'; 437 438 if (strcmp(id, "THS")) { 439 pr_err("Unknown Fujitsu id: %02x%02x%02x\n", 440 id[0], id[1], id[2]); 441 err = -ENODEV; 442 goto error; 443 } 444 445 for (i = 0; i < 2; i++) { 446 val = sch56xx_read_virtual_reg(data->addr, 447 SCH5636_REG_FUJITSU_REV + i); 448 if (val < 0) { 449 err = val; 450 goto error; 451 } 452 revision[i] = val; 453 } 454 pr_info("Found %s chip at %#hx, revison: %d.%02d\n", DEVNAME, 455 data->addr, revision[0], revision[1]); 456 457 /* Read all temp + fan ctrl registers to determine which are active */ 458 for (i = 0; i < SCH5636_NO_TEMPS; i++) { 459 val = sch56xx_read_virtual_reg(data->addr, 460 SCH5636_REG_TEMP_CTRL(i)); 461 if (unlikely(val < 0)) { 462 err = val; 463 goto error; 464 } 465 data->temp_ctrl[i] = val; 466 } 467 468 for (i = 0; i < SCH5636_NO_FANS; i++) { 469 val = sch56xx_read_virtual_reg(data->addr, 470 SCH5636_REG_FAN_CTRL(i)); 471 if (unlikely(val < 0)) { 472 err = val; 473 goto error; 474 } 475 data->fan_ctrl[i] = val; 476 } 477 478 for (i = 0; i < ARRAY_SIZE(sch5636_attr); i++) { 479 err = device_create_file(&pdev->dev, 480 &sch5636_attr[i].dev_attr); 481 if (err) 482 goto error; 483 } 484 485 for (i = 0; i < (SCH5636_NO_TEMPS * 3); i++) { 486 if (data->temp_ctrl[i/3] & SCH5636_TEMP_DEACTIVATED) 487 continue; 488 489 err = device_create_file(&pdev->dev, 490 &sch5636_temp_attr[i].dev_attr); 491 if (err) 492 goto error; 493 } 494 495 for (i = 0; i < (SCH5636_NO_FANS * 3); i++) { 496 if (data->fan_ctrl[i/3] & SCH5636_FAN_DEACTIVATED) 497 continue; 498 499 err = device_create_file(&pdev->dev, 500 &sch5636_fan_attr[i].dev_attr); 501 if (err) 502 goto error; 503 } 504 505 data->hwmon_dev = hwmon_device_register(&pdev->dev); 506 if (IS_ERR(data->hwmon_dev)) { 507 err = PTR_ERR(data->hwmon_dev); 508 data->hwmon_dev = NULL; 509 goto error; 510 } 511 512 /* Note failing to register the watchdog is not a fatal error */ 513 data->watchdog = sch56xx_watchdog_register(&pdev->dev, data->addr, 514 (revision[0] << 8) | revision[1], 515 &data->update_lock, 0); 516 517 return 0; 518 519 error: 520 sch5636_remove(pdev); 521 return err; 522 } 523 524 static struct platform_driver sch5636_driver = { 525 .driver = { 526 .owner = THIS_MODULE, 527 .name = DRVNAME, 528 }, 529 .probe = sch5636_probe, 530 .remove = sch5636_remove, 531 }; 532 533 module_platform_driver(sch5636_driver); 534 535 MODULE_DESCRIPTION("SMSC SCH5636 Hardware Monitoring Driver"); 536 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); 537 MODULE_LICENSE("GPL"); 538