1 /* 2 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware 3 * monitoring 4 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 5 * Philip Edelbrock <phil@netroedge.com>, 6 * and Mark Studebaker <mdsxyz123@yahoo.com> 7 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> 8 * Copyright (c) 2007 Jean Delvare <khali@linux-fr.org> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25 /* 26 * Supports following chips: 27 * 28 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 29 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 30 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 31 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 32 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 33 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 34 * 35 * For other winbond chips, and for i2c support in the above chips, 36 * use w83781d.c. 37 * 38 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not 39 * supported yet. 40 */ 41 42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 43 44 #include <linux/module.h> 45 #include <linux/init.h> 46 #include <linux/slab.h> 47 #include <linux/jiffies.h> 48 #include <linux/platform_device.h> 49 #include <linux/hwmon.h> 50 #include <linux/hwmon-sysfs.h> 51 #include <linux/hwmon-vid.h> 52 #include <linux/err.h> 53 #include <linux/mutex.h> 54 #include <linux/ioport.h> 55 #include <linux/acpi.h> 56 #include <linux/io.h> 57 #include "lm75.h" 58 59 static struct platform_device *pdev; 60 61 #define DRVNAME "w83627hf" 62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 63 64 struct w83627hf_sio_data { 65 enum chips type; 66 int sioaddr; 67 }; 68 69 static u8 force_i2c = 0x1f; 70 module_param(force_i2c, byte, 0); 71 MODULE_PARM_DESC(force_i2c, 72 "Initialize the i2c address of the sensors"); 73 74 static bool init = 1; 75 module_param(init, bool, 0); 76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 77 78 static unsigned short force_id; 79 module_param(force_id, ushort, 0); 80 MODULE_PARM_DESC(force_id, "Override the detected device ID"); 81 82 /* modified from kernel/include/traps.c */ 83 #define DEV 0x07 /* Register: Logical device select */ 84 85 /* logical device numbers for superio_select (below) */ 86 #define W83627HF_LD_FDC 0x00 87 #define W83627HF_LD_PRT 0x01 88 #define W83627HF_LD_UART1 0x02 89 #define W83627HF_LD_UART2 0x03 90 #define W83627HF_LD_KBC 0x05 91 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 92 #define W83627HF_LD_GAME 0x07 93 #define W83627HF_LD_MIDI 0x07 94 #define W83627HF_LD_GPIO1 0x07 95 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 96 #define W83627HF_LD_GPIO2 0x08 97 #define W83627HF_LD_GPIO3 0x09 98 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 99 #define W83627HF_LD_ACPI 0x0a 100 #define W83627HF_LD_HWM 0x0b 101 102 #define DEVID 0x20 /* Register: Device ID */ 103 104 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 105 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 106 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 107 108 #define W83687THF_VID_EN 0x29 /* w83687thf only */ 109 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 110 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 111 112 static inline void 113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val) 114 { 115 outb(reg, sio->sioaddr); 116 outb(val, sio->sioaddr + 1); 117 } 118 119 static inline int 120 superio_inb(struct w83627hf_sio_data *sio, int reg) 121 { 122 outb(reg, sio->sioaddr); 123 return inb(sio->sioaddr + 1); 124 } 125 126 static inline void 127 superio_select(struct w83627hf_sio_data *sio, int ld) 128 { 129 outb(DEV, sio->sioaddr); 130 outb(ld, sio->sioaddr + 1); 131 } 132 133 static inline void 134 superio_enter(struct w83627hf_sio_data *sio) 135 { 136 outb(0x87, sio->sioaddr); 137 outb(0x87, sio->sioaddr); 138 } 139 140 static inline void 141 superio_exit(struct w83627hf_sio_data *sio) 142 { 143 outb(0xAA, sio->sioaddr); 144 } 145 146 #define W627_DEVID 0x52 147 #define W627THF_DEVID 0x82 148 #define W697_DEVID 0x60 149 #define W637_DEVID 0x70 150 #define W687THF_DEVID 0x85 151 #define WINB_ACT_REG 0x30 152 #define WINB_BASE_REG 0x60 153 /* Constants specified below */ 154 155 /* Alignment of the base address */ 156 #define WINB_ALIGNMENT ~7 157 158 /* Offset & size of I/O region we are interested in */ 159 #define WINB_REGION_OFFSET 5 160 #define WINB_REGION_SIZE 2 161 162 /* Where are the sensors address/data registers relative to the region offset */ 163 #define W83781D_ADDR_REG_OFFSET 0 164 #define W83781D_DATA_REG_OFFSET 1 165 166 /* The W83781D registers */ 167 /* The W83782D registers for nr=7,8 are in bank 5 */ 168 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 169 (0x554 + (((nr) - 7) * 2))) 170 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 171 (0x555 + (((nr) - 7) * 2))) 172 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 173 (0x550 + (nr) - 7)) 174 175 /* nr:0-2 for fans:1-3 */ 176 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 177 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 178 179 #define W83627HF_REG_TEMP2_CONFIG 0x152 180 #define W83627HF_REG_TEMP3_CONFIG 0x252 181 /* these are zero-based, unlike config constants above */ 182 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 183 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 184 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 185 186 #define W83781D_REG_BANK 0x4E 187 188 #define W83781D_REG_CONFIG 0x40 189 #define W83781D_REG_ALARM1 0x459 190 #define W83781D_REG_ALARM2 0x45A 191 #define W83781D_REG_ALARM3 0x45B 192 193 #define W83781D_REG_BEEP_CONFIG 0x4D 194 #define W83781D_REG_BEEP_INTS1 0x56 195 #define W83781D_REG_BEEP_INTS2 0x57 196 #define W83781D_REG_BEEP_INTS3 0x453 197 198 #define W83781D_REG_VID_FANDIV 0x47 199 200 #define W83781D_REG_CHIPID 0x49 201 #define W83781D_REG_WCHIPID 0x58 202 #define W83781D_REG_CHIPMAN 0x4F 203 #define W83781D_REG_PIN 0x4B 204 205 #define W83781D_REG_VBAT 0x5D 206 207 #define W83627HF_REG_PWM1 0x5A 208 #define W83627HF_REG_PWM2 0x5B 209 210 static const u8 W83627THF_REG_PWM_ENABLE[] = { 211 0x04, /* FAN 1 mode */ 212 0x04, /* FAN 2 mode */ 213 0x12, /* FAN AUX mode */ 214 }; 215 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 216 217 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 218 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 219 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 220 221 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 222 223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 224 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 225 W83627THF_REG_PWM3 }; 226 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 227 regpwm_627hf[nr] : regpwm[nr]) 228 229 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 230 231 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 232 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 233 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 234 235 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 236 W83637HF_REG_PWM_FREQ2, 237 W83637HF_REG_PWM_FREQ3 }; 238 239 #define W83627HF_BASE_PWM_FREQ 46870 240 241 #define W83781D_REG_I2C_ADDR 0x48 242 #define W83781D_REG_I2C_SUBADDR 0x4A 243 244 /* Sensor selection */ 245 #define W83781D_REG_SCFG1 0x5D 246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 247 #define W83781D_REG_SCFG2 0x59 248 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 249 #define W83781D_DEFAULT_BETA 3435 250 251 /* 252 * Conversions. Limit checking is only done on the TO_REG 253 * variants. Note that you should be a bit careful with which arguments 254 * these macros are called: arguments may be evaluated more than once. 255 * Fixing this is just not worth it. 256 */ 257 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 258 #define IN_FROM_REG(val) ((val) * 16) 259 260 static inline u8 FAN_TO_REG(long rpm, int div) 261 { 262 if (rpm == 0) 263 return 255; 264 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 265 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 266 254); 267 } 268 269 #define TEMP_MIN (-128000) 270 #define TEMP_MAX ( 127000) 271 272 /* 273 * TEMP: 0.001C/bit (-128C to +127C) 274 * REG: 1C/bit, two's complement 275 */ 276 static u8 TEMP_TO_REG(long temp) 277 { 278 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 279 ntemp += (ntemp<0 ? -500 : 500); 280 return (u8)(ntemp / 1000); 281 } 282 283 static int TEMP_FROM_REG(u8 reg) 284 { 285 return (s8)reg * 1000; 286 } 287 288 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 289 290 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 291 292 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 293 { 294 unsigned long freq; 295 freq = W83627HF_BASE_PWM_FREQ >> reg; 296 return freq; 297 } 298 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 299 { 300 u8 i; 301 /* 302 * Only 5 dividers (1 2 4 8 16) 303 * Search for the nearest available frequency 304 */ 305 for (i = 0; i < 4; i++) { 306 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 307 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 308 break; 309 } 310 return i; 311 } 312 313 static inline unsigned long pwm_freq_from_reg(u8 reg) 314 { 315 /* Clock bit 8 -> 180 kHz or 24 MHz */ 316 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 317 318 reg &= 0x7f; 319 /* This should not happen but anyway... */ 320 if (reg == 0) 321 reg++; 322 return clock / (reg << 8); 323 } 324 static inline u8 pwm_freq_to_reg(unsigned long val) 325 { 326 /* Minimum divider value is 0x01 and maximum is 0x7F */ 327 if (val >= 93750) /* The highest we can do */ 328 return 0x01; 329 if (val >= 720) /* Use 24 MHz clock */ 330 return 24000000UL / (val << 8); 331 if (val < 6) /* The lowest we can do */ 332 return 0xFF; 333 else /* Use 180 kHz clock */ 334 return 0x80 | (180000UL / (val << 8)); 335 } 336 337 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) 338 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) 339 340 #define DIV_FROM_REG(val) (1 << (val)) 341 342 static inline u8 DIV_TO_REG(long val) 343 { 344 int i; 345 val = SENSORS_LIMIT(val, 1, 128) >> 1; 346 for (i = 0; i < 7; i++) { 347 if (val == 0) 348 break; 349 val >>= 1; 350 } 351 return (u8)i; 352 } 353 354 /* 355 * For each registered chip, we need to keep some data in memory. 356 * The structure is dynamically allocated. 357 */ 358 struct w83627hf_data { 359 unsigned short addr; 360 const char *name; 361 struct device *hwmon_dev; 362 struct mutex lock; 363 enum chips type; 364 365 struct mutex update_lock; 366 char valid; /* !=0 if following fields are valid */ 367 unsigned long last_updated; /* In jiffies */ 368 369 u8 in[9]; /* Register value */ 370 u8 in_max[9]; /* Register value */ 371 u8 in_min[9]; /* Register value */ 372 u8 fan[3]; /* Register value */ 373 u8 fan_min[3]; /* Register value */ 374 u16 temp[3]; /* Register value */ 375 u16 temp_max[3]; /* Register value */ 376 u16 temp_max_hyst[3]; /* Register value */ 377 u8 fan_div[3]; /* Register encoding, shifted right */ 378 u8 vid; /* Register encoding, combined */ 379 u32 alarms; /* Register encoding, combined */ 380 u32 beep_mask; /* Register encoding, combined */ 381 u8 pwm[3]; /* Register value */ 382 u8 pwm_enable[3]; /* 1 = manual 383 * 2 = thermal cruise (also called SmartFan I) 384 * 3 = fan speed cruise 385 */ 386 u8 pwm_freq[3]; /* Register value */ 387 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 388 * 4 = thermistor 389 */ 390 u8 vrm; 391 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 392 }; 393 394 395 static int w83627hf_probe(struct platform_device *pdev); 396 static int __devexit w83627hf_remove(struct platform_device *pdev); 397 398 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 399 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 400 static void w83627hf_update_fan_div(struct w83627hf_data *data); 401 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 402 static void w83627hf_init_device(struct platform_device *pdev); 403 404 static struct platform_driver w83627hf_driver = { 405 .driver = { 406 .owner = THIS_MODULE, 407 .name = DRVNAME, 408 }, 409 .probe = w83627hf_probe, 410 .remove = __devexit_p(w83627hf_remove), 411 }; 412 413 static ssize_t 414 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) 415 { 416 int nr = to_sensor_dev_attr(devattr)->index; 417 struct w83627hf_data *data = w83627hf_update_device(dev); 418 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 419 } 420 static ssize_t 421 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) 422 { 423 int nr = to_sensor_dev_attr(devattr)->index; 424 struct w83627hf_data *data = w83627hf_update_device(dev); 425 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 426 } 427 static ssize_t 428 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) 429 { 430 int nr = to_sensor_dev_attr(devattr)->index; 431 struct w83627hf_data *data = w83627hf_update_device(dev); 432 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 433 } 434 static ssize_t 435 store_in_min(struct device *dev, struct device_attribute *devattr, 436 const char *buf, size_t count) 437 { 438 int nr = to_sensor_dev_attr(devattr)->index; 439 struct w83627hf_data *data = dev_get_drvdata(dev); 440 long val; 441 int err; 442 443 err = kstrtol(buf, 10, &val); 444 if (err) 445 return err; 446 447 mutex_lock(&data->update_lock); 448 data->in_min[nr] = IN_TO_REG(val); 449 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 450 mutex_unlock(&data->update_lock); 451 return count; 452 } 453 static ssize_t 454 store_in_max(struct device *dev, struct device_attribute *devattr, 455 const char *buf, size_t count) 456 { 457 int nr = to_sensor_dev_attr(devattr)->index; 458 struct w83627hf_data *data = dev_get_drvdata(dev); 459 long val; 460 int err; 461 462 err = kstrtol(buf, 10, &val); 463 if (err) 464 return err; 465 466 mutex_lock(&data->update_lock); 467 data->in_max[nr] = IN_TO_REG(val); 468 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 469 mutex_unlock(&data->update_lock); 470 return count; 471 } 472 #define sysfs_vin_decl(offset) \ 473 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 474 show_in_input, NULL, offset); \ 475 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ 476 show_in_min, store_in_min, offset); \ 477 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ 478 show_in_max, store_in_max, offset); 479 480 sysfs_vin_decl(1); 481 sysfs_vin_decl(2); 482 sysfs_vin_decl(3); 483 sysfs_vin_decl(4); 484 sysfs_vin_decl(5); 485 sysfs_vin_decl(6); 486 sysfs_vin_decl(7); 487 sysfs_vin_decl(8); 488 489 /* use a different set of functions for in0 */ 490 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 491 { 492 long in0; 493 494 if ((data->vrm_ovt & 0x01) && 495 (w83627thf == data->type || w83637hf == data->type 496 || w83687thf == data->type)) 497 498 /* use VRM9 calculation */ 499 in0 = (long)((reg * 488 + 70000 + 50) / 100); 500 else 501 /* use VRM8 (standard) calculation */ 502 in0 = (long)IN_FROM_REG(reg); 503 504 return sprintf(buf,"%ld\n", in0); 505 } 506 507 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) 508 { 509 struct w83627hf_data *data = w83627hf_update_device(dev); 510 return show_in_0(data, buf, data->in[0]); 511 } 512 513 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 514 { 515 struct w83627hf_data *data = w83627hf_update_device(dev); 516 return show_in_0(data, buf, data->in_min[0]); 517 } 518 519 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 520 { 521 struct w83627hf_data *data = w83627hf_update_device(dev); 522 return show_in_0(data, buf, data->in_max[0]); 523 } 524 525 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 526 const char *buf, size_t count) 527 { 528 struct w83627hf_data *data = dev_get_drvdata(dev); 529 unsigned long val; 530 int err; 531 532 err = kstrtoul(buf, 10, &val); 533 if (err) 534 return err; 535 536 mutex_lock(&data->update_lock); 537 538 if ((data->vrm_ovt & 0x01) && 539 (w83627thf == data->type || w83637hf == data->type 540 || w83687thf == data->type)) 541 542 /* use VRM9 calculation */ 543 data->in_min[0] = 544 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 545 255); 546 else 547 /* use VRM8 (standard) calculation */ 548 data->in_min[0] = IN_TO_REG(val); 549 550 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 551 mutex_unlock(&data->update_lock); 552 return count; 553 } 554 555 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 556 const char *buf, size_t count) 557 { 558 struct w83627hf_data *data = dev_get_drvdata(dev); 559 unsigned long val; 560 int err; 561 562 err = kstrtoul(buf, 10, &val); 563 if (err) 564 return err; 565 566 mutex_lock(&data->update_lock); 567 568 if ((data->vrm_ovt & 0x01) && 569 (w83627thf == data->type || w83637hf == data->type 570 || w83687thf == data->type)) 571 572 /* use VRM9 calculation */ 573 data->in_max[0] = 574 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 575 255); 576 else 577 /* use VRM8 (standard) calculation */ 578 data->in_max[0] = IN_TO_REG(val); 579 580 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 581 mutex_unlock(&data->update_lock); 582 return count; 583 } 584 585 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 586 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 587 show_regs_in_min0, store_regs_in_min0); 588 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 589 show_regs_in_max0, store_regs_in_max0); 590 591 static ssize_t 592 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) 593 { 594 int nr = to_sensor_dev_attr(devattr)->index; 595 struct w83627hf_data *data = w83627hf_update_device(dev); 596 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 597 (long)DIV_FROM_REG(data->fan_div[nr]))); 598 } 599 static ssize_t 600 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) 601 { 602 int nr = to_sensor_dev_attr(devattr)->index; 603 struct w83627hf_data *data = w83627hf_update_device(dev); 604 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 605 (long)DIV_FROM_REG(data->fan_div[nr]))); 606 } 607 static ssize_t 608 store_fan_min(struct device *dev, struct device_attribute *devattr, 609 const char *buf, size_t count) 610 { 611 int nr = to_sensor_dev_attr(devattr)->index; 612 struct w83627hf_data *data = dev_get_drvdata(dev); 613 unsigned long val; 614 int err; 615 616 err = kstrtoul(buf, 10, &val); 617 if (err) 618 return err; 619 620 mutex_lock(&data->update_lock); 621 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 622 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 623 data->fan_min[nr]); 624 625 mutex_unlock(&data->update_lock); 626 return count; 627 } 628 #define sysfs_fan_decl(offset) \ 629 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 630 show_fan_input, NULL, offset - 1); \ 631 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 632 show_fan_min, store_fan_min, offset - 1); 633 634 sysfs_fan_decl(1); 635 sysfs_fan_decl(2); 636 sysfs_fan_decl(3); 637 638 static ssize_t 639 show_temp(struct device *dev, struct device_attribute *devattr, char *buf) 640 { 641 int nr = to_sensor_dev_attr(devattr)->index; 642 struct w83627hf_data *data = w83627hf_update_device(dev); 643 644 u16 tmp = data->temp[nr]; 645 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 646 : (long) TEMP_FROM_REG(tmp)); 647 } 648 649 static ssize_t 650 show_temp_max(struct device *dev, struct device_attribute *devattr, 651 char *buf) 652 { 653 int nr = to_sensor_dev_attr(devattr)->index; 654 struct w83627hf_data *data = w83627hf_update_device(dev); 655 656 u16 tmp = data->temp_max[nr]; 657 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 658 : (long) TEMP_FROM_REG(tmp)); 659 } 660 661 static ssize_t 662 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 663 char *buf) 664 { 665 int nr = to_sensor_dev_attr(devattr)->index; 666 struct w83627hf_data *data = w83627hf_update_device(dev); 667 668 u16 tmp = data->temp_max_hyst[nr]; 669 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 670 : (long) TEMP_FROM_REG(tmp)); 671 } 672 673 static ssize_t 674 store_temp_max(struct device *dev, struct device_attribute *devattr, 675 const char *buf, size_t count) 676 { 677 int nr = to_sensor_dev_attr(devattr)->index; 678 struct w83627hf_data *data = dev_get_drvdata(dev); 679 u16 tmp; 680 long val; 681 int err; 682 683 err = kstrtol(buf, 10, &val); 684 if (err) 685 return err; 686 687 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 688 mutex_lock(&data->update_lock); 689 data->temp_max[nr] = tmp; 690 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 691 mutex_unlock(&data->update_lock); 692 return count; 693 } 694 695 static ssize_t 696 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 697 const char *buf, size_t count) 698 { 699 int nr = to_sensor_dev_attr(devattr)->index; 700 struct w83627hf_data *data = dev_get_drvdata(dev); 701 u16 tmp; 702 long val; 703 int err; 704 705 err = kstrtol(buf, 10, &val); 706 if (err) 707 return err; 708 709 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 710 mutex_lock(&data->update_lock); 711 data->temp_max_hyst[nr] = tmp; 712 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 713 mutex_unlock(&data->update_lock); 714 return count; 715 } 716 717 #define sysfs_temp_decl(offset) \ 718 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 719 show_temp, NULL, offset - 1); \ 720 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ 721 show_temp_max, store_temp_max, offset - 1); \ 722 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ 723 show_temp_max_hyst, store_temp_max_hyst, offset - 1); 724 725 sysfs_temp_decl(1); 726 sysfs_temp_decl(2); 727 sysfs_temp_decl(3); 728 729 static ssize_t 730 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 731 { 732 struct w83627hf_data *data = w83627hf_update_device(dev); 733 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 734 } 735 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 736 737 static ssize_t 738 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 739 { 740 struct w83627hf_data *data = dev_get_drvdata(dev); 741 return sprintf(buf, "%ld\n", (long) data->vrm); 742 } 743 static ssize_t 744 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 745 { 746 struct w83627hf_data *data = dev_get_drvdata(dev); 747 unsigned long val; 748 int err; 749 750 err = kstrtoul(buf, 10, &val); 751 if (err) 752 return err; 753 data->vrm = val; 754 755 return count; 756 } 757 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 758 759 static ssize_t 760 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 761 { 762 struct w83627hf_data *data = w83627hf_update_device(dev); 763 return sprintf(buf, "%ld\n", (long) data->alarms); 764 } 765 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 766 767 static ssize_t 768 show_alarm(struct device *dev, struct device_attribute *attr, char *buf) 769 { 770 struct w83627hf_data *data = w83627hf_update_device(dev); 771 int bitnr = to_sensor_dev_attr(attr)->index; 772 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 773 } 774 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 775 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 776 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 777 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 778 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 779 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 780 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); 781 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); 782 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); 783 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 784 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 785 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); 786 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 787 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 788 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); 789 790 static ssize_t 791 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf) 792 { 793 struct w83627hf_data *data = w83627hf_update_device(dev); 794 return sprintf(buf, "%ld\n", 795 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 796 } 797 798 static ssize_t 799 store_beep_mask(struct device *dev, struct device_attribute *attr, 800 const char *buf, size_t count) 801 { 802 struct w83627hf_data *data = dev_get_drvdata(dev); 803 unsigned long val; 804 int err; 805 806 err = kstrtoul(buf, 10, &val); 807 if (err) 808 return err; 809 810 mutex_lock(&data->update_lock); 811 812 /* preserve beep enable */ 813 data->beep_mask = (data->beep_mask & 0x8000) 814 | BEEP_MASK_TO_REG(val); 815 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 816 data->beep_mask & 0xff); 817 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 818 ((data->beep_mask) >> 16) & 0xff); 819 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 820 (data->beep_mask >> 8) & 0xff); 821 822 mutex_unlock(&data->update_lock); 823 return count; 824 } 825 826 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, 827 show_beep_mask, store_beep_mask); 828 829 static ssize_t 830 show_beep(struct device *dev, struct device_attribute *attr, char *buf) 831 { 832 struct w83627hf_data *data = w83627hf_update_device(dev); 833 int bitnr = to_sensor_dev_attr(attr)->index; 834 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 835 } 836 837 static ssize_t 838 store_beep(struct device *dev, struct device_attribute *attr, 839 const char *buf, size_t count) 840 { 841 struct w83627hf_data *data = dev_get_drvdata(dev); 842 int bitnr = to_sensor_dev_attr(attr)->index; 843 u8 reg; 844 unsigned long bit; 845 int err; 846 847 err = kstrtoul(buf, 10, &bit); 848 if (err) 849 return err; 850 851 if (bit & ~1) 852 return -EINVAL; 853 854 mutex_lock(&data->update_lock); 855 if (bit) 856 data->beep_mask |= (1 << bitnr); 857 else 858 data->beep_mask &= ~(1 << bitnr); 859 860 if (bitnr < 8) { 861 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 862 if (bit) 863 reg |= (1 << bitnr); 864 else 865 reg &= ~(1 << bitnr); 866 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 867 } else if (bitnr < 16) { 868 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 869 if (bit) 870 reg |= (1 << (bitnr - 8)); 871 else 872 reg &= ~(1 << (bitnr - 8)); 873 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 874 } else { 875 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 876 if (bit) 877 reg |= (1 << (bitnr - 16)); 878 else 879 reg &= ~(1 << (bitnr - 16)); 880 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 881 } 882 mutex_unlock(&data->update_lock); 883 884 return count; 885 } 886 887 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, 888 show_beep, store_beep, 0); 889 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, 890 show_beep, store_beep, 1); 891 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, 892 show_beep, store_beep, 2); 893 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, 894 show_beep, store_beep, 3); 895 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, 896 show_beep, store_beep, 8); 897 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, 898 show_beep, store_beep, 9); 899 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, 900 show_beep, store_beep, 10); 901 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, 902 show_beep, store_beep, 16); 903 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, 904 show_beep, store_beep, 17); 905 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, 906 show_beep, store_beep, 6); 907 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, 908 show_beep, store_beep, 7); 909 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, 910 show_beep, store_beep, 11); 911 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, 912 show_beep, store_beep, 4); 913 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, 914 show_beep, store_beep, 5); 915 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR, 916 show_beep, store_beep, 13); 917 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, 918 show_beep, store_beep, 15); 919 920 static ssize_t 921 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) 922 { 923 int nr = to_sensor_dev_attr(devattr)->index; 924 struct w83627hf_data *data = w83627hf_update_device(dev); 925 return sprintf(buf, "%ld\n", 926 (long) DIV_FROM_REG(data->fan_div[nr])); 927 } 928 /* 929 * Note: we save and restore the fan minimum here, because its value is 930 * determined in part by the fan divisor. This follows the principle of 931 * least surprise; the user doesn't expect the fan minimum to change just 932 * because the divisor changed. 933 */ 934 static ssize_t 935 store_fan_div(struct device *dev, struct device_attribute *devattr, 936 const char *buf, size_t count) 937 { 938 int nr = to_sensor_dev_attr(devattr)->index; 939 struct w83627hf_data *data = dev_get_drvdata(dev); 940 unsigned long min; 941 u8 reg; 942 unsigned long val; 943 int err; 944 945 err = kstrtoul(buf, 10, &val); 946 if (err) 947 return err; 948 949 mutex_lock(&data->update_lock); 950 951 /* Save fan_min */ 952 min = FAN_FROM_REG(data->fan_min[nr], 953 DIV_FROM_REG(data->fan_div[nr])); 954 955 data->fan_div[nr] = DIV_TO_REG(val); 956 957 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 958 & (nr==0 ? 0xcf : 0x3f)) 959 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 960 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 961 962 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 963 & ~(1 << (5 + nr))) 964 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 965 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 966 967 /* Restore fan_min */ 968 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 969 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 970 971 mutex_unlock(&data->update_lock); 972 return count; 973 } 974 975 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, 976 show_fan_div, store_fan_div, 0); 977 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, 978 show_fan_div, store_fan_div, 1); 979 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, 980 show_fan_div, store_fan_div, 2); 981 982 static ssize_t 983 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) 984 { 985 int nr = to_sensor_dev_attr(devattr)->index; 986 struct w83627hf_data *data = w83627hf_update_device(dev); 987 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 988 } 989 990 static ssize_t 991 store_pwm(struct device *dev, struct device_attribute *devattr, 992 const char *buf, size_t count) 993 { 994 int nr = to_sensor_dev_attr(devattr)->index; 995 struct w83627hf_data *data = dev_get_drvdata(dev); 996 unsigned long val; 997 int err; 998 999 err = kstrtoul(buf, 10, &val); 1000 if (err) 1001 return err; 1002 1003 mutex_lock(&data->update_lock); 1004 1005 if (data->type == w83627thf) { 1006 /* bits 0-3 are reserved in 627THF */ 1007 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 1008 w83627hf_write_value(data, 1009 W836X7HF_REG_PWM(data->type, nr), 1010 data->pwm[nr] | 1011 (w83627hf_read_value(data, 1012 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 1013 } else { 1014 data->pwm[nr] = PWM_TO_REG(val); 1015 w83627hf_write_value(data, 1016 W836X7HF_REG_PWM(data->type, nr), 1017 data->pwm[nr]); 1018 } 1019 1020 mutex_unlock(&data->update_lock); 1021 return count; 1022 } 1023 1024 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); 1025 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); 1026 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); 1027 1028 static ssize_t 1029 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf) 1030 { 1031 int nr = to_sensor_dev_attr(devattr)->index; 1032 struct w83627hf_data *data = w83627hf_update_device(dev); 1033 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 1034 } 1035 1036 static ssize_t 1037 store_pwm_enable(struct device *dev, struct device_attribute *devattr, 1038 const char *buf, size_t count) 1039 { 1040 int nr = to_sensor_dev_attr(devattr)->index; 1041 struct w83627hf_data *data = dev_get_drvdata(dev); 1042 u8 reg; 1043 unsigned long val; 1044 int err; 1045 1046 err = kstrtoul(buf, 10, &val); 1047 if (err) 1048 return err; 1049 1050 if (!val || val > 3) /* modes 1, 2 and 3 are supported */ 1051 return -EINVAL; 1052 mutex_lock(&data->update_lock); 1053 data->pwm_enable[nr] = val; 1054 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 1055 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 1056 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 1057 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 1058 mutex_unlock(&data->update_lock); 1059 return count; 1060 } 1061 1062 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1063 store_pwm_enable, 0); 1064 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1065 store_pwm_enable, 1); 1066 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1067 store_pwm_enable, 2); 1068 1069 static ssize_t 1070 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) 1071 { 1072 int nr = to_sensor_dev_attr(devattr)->index; 1073 struct w83627hf_data *data = w83627hf_update_device(dev); 1074 if (data->type == w83627hf) 1075 return sprintf(buf, "%ld\n", 1076 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1077 else 1078 return sprintf(buf, "%ld\n", 1079 pwm_freq_from_reg(data->pwm_freq[nr])); 1080 } 1081 1082 static ssize_t 1083 store_pwm_freq(struct device *dev, struct device_attribute *devattr, 1084 const char *buf, size_t count) 1085 { 1086 int nr = to_sensor_dev_attr(devattr)->index; 1087 struct w83627hf_data *data = dev_get_drvdata(dev); 1088 static const u8 mask[]={0xF8, 0x8F}; 1089 unsigned long val; 1090 int err; 1091 1092 err = kstrtoul(buf, 10, &val); 1093 if (err) 1094 return err; 1095 1096 mutex_lock(&data->update_lock); 1097 1098 if (data->type == w83627hf) { 1099 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1100 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1101 (data->pwm_freq[nr] << (nr*4)) | 1102 (w83627hf_read_value(data, 1103 W83627HF_REG_PWM_FREQ) & mask[nr])); 1104 } else { 1105 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1106 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1107 data->pwm_freq[nr]); 1108 } 1109 1110 mutex_unlock(&data->update_lock); 1111 return count; 1112 } 1113 1114 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, 1115 show_pwm_freq, store_pwm_freq, 0); 1116 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, 1117 show_pwm_freq, store_pwm_freq, 1); 1118 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, 1119 show_pwm_freq, store_pwm_freq, 2); 1120 1121 static ssize_t 1122 show_temp_type(struct device *dev, struct device_attribute *devattr, 1123 char *buf) 1124 { 1125 int nr = to_sensor_dev_attr(devattr)->index; 1126 struct w83627hf_data *data = w83627hf_update_device(dev); 1127 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1128 } 1129 1130 static ssize_t 1131 store_temp_type(struct device *dev, struct device_attribute *devattr, 1132 const char *buf, size_t count) 1133 { 1134 int nr = to_sensor_dev_attr(devattr)->index; 1135 struct w83627hf_data *data = dev_get_drvdata(dev); 1136 unsigned long val; 1137 u32 tmp; 1138 int err; 1139 1140 err = kstrtoul(buf, 10, &val); 1141 if (err) 1142 return err; 1143 1144 mutex_lock(&data->update_lock); 1145 1146 switch (val) { 1147 case 1: /* PII/Celeron diode */ 1148 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1149 w83627hf_write_value(data, W83781D_REG_SCFG1, 1150 tmp | BIT_SCFG1[nr]); 1151 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1152 w83627hf_write_value(data, W83781D_REG_SCFG2, 1153 tmp | BIT_SCFG2[nr]); 1154 data->sens[nr] = val; 1155 break; 1156 case 2: /* 3904 */ 1157 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1158 w83627hf_write_value(data, W83781D_REG_SCFG1, 1159 tmp | BIT_SCFG1[nr]); 1160 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1161 w83627hf_write_value(data, W83781D_REG_SCFG2, 1162 tmp & ~BIT_SCFG2[nr]); 1163 data->sens[nr] = val; 1164 break; 1165 case W83781D_DEFAULT_BETA: 1166 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1167 "instead\n", W83781D_DEFAULT_BETA); 1168 /* fall through */ 1169 case 4: /* thermistor */ 1170 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1171 w83627hf_write_value(data, W83781D_REG_SCFG1, 1172 tmp & ~BIT_SCFG1[nr]); 1173 data->sens[nr] = val; 1174 break; 1175 default: 1176 dev_err(dev, 1177 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1178 (long) val); 1179 break; 1180 } 1181 1182 mutex_unlock(&data->update_lock); 1183 return count; 1184 } 1185 1186 #define sysfs_temp_type(offset) \ 1187 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 1188 show_temp_type, store_temp_type, offset - 1); 1189 1190 sysfs_temp_type(1); 1191 sysfs_temp_type(2); 1192 sysfs_temp_type(3); 1193 1194 static ssize_t 1195 show_name(struct device *dev, struct device_attribute *devattr, char *buf) 1196 { 1197 struct w83627hf_data *data = dev_get_drvdata(dev); 1198 1199 return sprintf(buf, "%s\n", data->name); 1200 } 1201 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 1202 1203 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1204 struct w83627hf_sio_data *sio_data) 1205 { 1206 int err = -ENODEV; 1207 u16 val; 1208 1209 static __initconst char *const names[] = { 1210 "W83627HF", 1211 "W83627THF", 1212 "W83697HF", 1213 "W83637HF", 1214 "W83687THF", 1215 }; 1216 1217 sio_data->sioaddr = sioaddr; 1218 superio_enter(sio_data); 1219 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1220 switch (val) { 1221 case W627_DEVID: 1222 sio_data->type = w83627hf; 1223 break; 1224 case W627THF_DEVID: 1225 sio_data->type = w83627thf; 1226 break; 1227 case W697_DEVID: 1228 sio_data->type = w83697hf; 1229 break; 1230 case W637_DEVID: 1231 sio_data->type = w83637hf; 1232 break; 1233 case W687THF_DEVID: 1234 sio_data->type = w83687thf; 1235 break; 1236 case 0xff: /* No device at all */ 1237 goto exit; 1238 default: 1239 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1240 goto exit; 1241 } 1242 1243 superio_select(sio_data, W83627HF_LD_HWM); 1244 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1245 superio_inb(sio_data, WINB_BASE_REG + 1); 1246 *addr = val & WINB_ALIGNMENT; 1247 if (*addr == 0) { 1248 pr_warn("Base address not set, skipping\n"); 1249 goto exit; 1250 } 1251 1252 val = superio_inb(sio_data, WINB_ACT_REG); 1253 if (!(val & 0x01)) { 1254 pr_warn("Enabling HWM logical device\n"); 1255 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1256 } 1257 1258 err = 0; 1259 pr_info(DRVNAME ": Found %s chip at %#x\n", 1260 names[sio_data->type], *addr); 1261 1262 exit: 1263 superio_exit(sio_data); 1264 return err; 1265 } 1266 1267 #define VIN_UNIT_ATTRS(_X_) \ 1268 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1269 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1270 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1271 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1272 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1273 1274 #define FAN_UNIT_ATTRS(_X_) \ 1275 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1276 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1277 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1278 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1279 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1280 1281 #define TEMP_UNIT_ATTRS(_X_) \ 1282 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1283 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1284 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1285 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1286 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1287 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1288 1289 static struct attribute *w83627hf_attributes[] = { 1290 &dev_attr_in0_input.attr, 1291 &dev_attr_in0_min.attr, 1292 &dev_attr_in0_max.attr, 1293 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1294 &sensor_dev_attr_in0_beep.dev_attr.attr, 1295 VIN_UNIT_ATTRS(2), 1296 VIN_UNIT_ATTRS(3), 1297 VIN_UNIT_ATTRS(4), 1298 VIN_UNIT_ATTRS(7), 1299 VIN_UNIT_ATTRS(8), 1300 1301 FAN_UNIT_ATTRS(1), 1302 FAN_UNIT_ATTRS(2), 1303 1304 TEMP_UNIT_ATTRS(1), 1305 TEMP_UNIT_ATTRS(2), 1306 1307 &dev_attr_alarms.attr, 1308 &sensor_dev_attr_beep_enable.dev_attr.attr, 1309 &dev_attr_beep_mask.attr, 1310 1311 &sensor_dev_attr_pwm1.dev_attr.attr, 1312 &sensor_dev_attr_pwm2.dev_attr.attr, 1313 &dev_attr_name.attr, 1314 NULL 1315 }; 1316 1317 static const struct attribute_group w83627hf_group = { 1318 .attrs = w83627hf_attributes, 1319 }; 1320 1321 static struct attribute *w83627hf_attributes_opt[] = { 1322 VIN_UNIT_ATTRS(1), 1323 VIN_UNIT_ATTRS(5), 1324 VIN_UNIT_ATTRS(6), 1325 1326 FAN_UNIT_ATTRS(3), 1327 TEMP_UNIT_ATTRS(3), 1328 &sensor_dev_attr_pwm3.dev_attr.attr, 1329 1330 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1331 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1332 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1333 1334 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1335 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1336 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1337 1338 NULL 1339 }; 1340 1341 static const struct attribute_group w83627hf_group_opt = { 1342 .attrs = w83627hf_attributes_opt, 1343 }; 1344 1345 static int __devinit w83627hf_probe(struct platform_device *pdev) 1346 { 1347 struct device *dev = &pdev->dev; 1348 struct w83627hf_sio_data *sio_data = dev->platform_data; 1349 struct w83627hf_data *data; 1350 struct resource *res; 1351 int err, i; 1352 1353 static const char *names[] = { 1354 "w83627hf", 1355 "w83627thf", 1356 "w83697hf", 1357 "w83637hf", 1358 "w83687thf", 1359 }; 1360 1361 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1362 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { 1363 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1364 (unsigned long)res->start, 1365 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1366 return -EBUSY; 1367 } 1368 1369 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL); 1370 if (!data) 1371 return -ENOMEM; 1372 1373 data->addr = res->start; 1374 data->type = sio_data->type; 1375 data->name = names[sio_data->type]; 1376 mutex_init(&data->lock); 1377 mutex_init(&data->update_lock); 1378 platform_set_drvdata(pdev, data); 1379 1380 /* Initialize the chip */ 1381 w83627hf_init_device(pdev); 1382 1383 /* A few vars need to be filled upon startup */ 1384 for (i = 0; i <= 2; i++) 1385 data->fan_min[i] = w83627hf_read_value( 1386 data, W83627HF_REG_FAN_MIN(i)); 1387 w83627hf_update_fan_div(data); 1388 1389 /* Register common device attributes */ 1390 err = sysfs_create_group(&dev->kobj, &w83627hf_group); 1391 if (err) 1392 return err; 1393 1394 /* Register chip-specific device attributes */ 1395 if (data->type == w83627hf || data->type == w83697hf) 1396 if ((err = device_create_file(dev, 1397 &sensor_dev_attr_in5_input.dev_attr)) 1398 || (err = device_create_file(dev, 1399 &sensor_dev_attr_in5_min.dev_attr)) 1400 || (err = device_create_file(dev, 1401 &sensor_dev_attr_in5_max.dev_attr)) 1402 || (err = device_create_file(dev, 1403 &sensor_dev_attr_in5_alarm.dev_attr)) 1404 || (err = device_create_file(dev, 1405 &sensor_dev_attr_in5_beep.dev_attr)) 1406 || (err = device_create_file(dev, 1407 &sensor_dev_attr_in6_input.dev_attr)) 1408 || (err = device_create_file(dev, 1409 &sensor_dev_attr_in6_min.dev_attr)) 1410 || (err = device_create_file(dev, 1411 &sensor_dev_attr_in6_max.dev_attr)) 1412 || (err = device_create_file(dev, 1413 &sensor_dev_attr_in6_alarm.dev_attr)) 1414 || (err = device_create_file(dev, 1415 &sensor_dev_attr_in6_beep.dev_attr)) 1416 || (err = device_create_file(dev, 1417 &sensor_dev_attr_pwm1_freq.dev_attr)) 1418 || (err = device_create_file(dev, 1419 &sensor_dev_attr_pwm2_freq.dev_attr))) 1420 goto error; 1421 1422 if (data->type != w83697hf) 1423 if ((err = device_create_file(dev, 1424 &sensor_dev_attr_in1_input.dev_attr)) 1425 || (err = device_create_file(dev, 1426 &sensor_dev_attr_in1_min.dev_attr)) 1427 || (err = device_create_file(dev, 1428 &sensor_dev_attr_in1_max.dev_attr)) 1429 || (err = device_create_file(dev, 1430 &sensor_dev_attr_in1_alarm.dev_attr)) 1431 || (err = device_create_file(dev, 1432 &sensor_dev_attr_in1_beep.dev_attr)) 1433 || (err = device_create_file(dev, 1434 &sensor_dev_attr_fan3_input.dev_attr)) 1435 || (err = device_create_file(dev, 1436 &sensor_dev_attr_fan3_min.dev_attr)) 1437 || (err = device_create_file(dev, 1438 &sensor_dev_attr_fan3_div.dev_attr)) 1439 || (err = device_create_file(dev, 1440 &sensor_dev_attr_fan3_alarm.dev_attr)) 1441 || (err = device_create_file(dev, 1442 &sensor_dev_attr_fan3_beep.dev_attr)) 1443 || (err = device_create_file(dev, 1444 &sensor_dev_attr_temp3_input.dev_attr)) 1445 || (err = device_create_file(dev, 1446 &sensor_dev_attr_temp3_max.dev_attr)) 1447 || (err = device_create_file(dev, 1448 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1449 || (err = device_create_file(dev, 1450 &sensor_dev_attr_temp3_alarm.dev_attr)) 1451 || (err = device_create_file(dev, 1452 &sensor_dev_attr_temp3_beep.dev_attr)) 1453 || (err = device_create_file(dev, 1454 &sensor_dev_attr_temp3_type.dev_attr))) 1455 goto error; 1456 1457 if (data->type != w83697hf && data->vid != 0xff) { 1458 /* Convert VID to voltage based on VRM */ 1459 data->vrm = vid_which_vrm(); 1460 1461 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1462 || (err = device_create_file(dev, &dev_attr_vrm))) 1463 goto error; 1464 } 1465 1466 if (data->type == w83627thf || data->type == w83637hf 1467 || data->type == w83687thf) { 1468 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr); 1469 if (err) 1470 goto error; 1471 } 1472 1473 if (data->type == w83637hf || data->type == w83687thf) 1474 if ((err = device_create_file(dev, 1475 &sensor_dev_attr_pwm1_freq.dev_attr)) 1476 || (err = device_create_file(dev, 1477 &sensor_dev_attr_pwm2_freq.dev_attr)) 1478 || (err = device_create_file(dev, 1479 &sensor_dev_attr_pwm3_freq.dev_attr))) 1480 goto error; 1481 1482 if (data->type != w83627hf) 1483 if ((err = device_create_file(dev, 1484 &sensor_dev_attr_pwm1_enable.dev_attr)) 1485 || (err = device_create_file(dev, 1486 &sensor_dev_attr_pwm2_enable.dev_attr))) 1487 goto error; 1488 1489 if (data->type == w83627thf || data->type == w83637hf 1490 || data->type == w83687thf) { 1491 err = device_create_file(dev, 1492 &sensor_dev_attr_pwm3_enable.dev_attr); 1493 if (err) 1494 goto error; 1495 } 1496 1497 data->hwmon_dev = hwmon_device_register(dev); 1498 if (IS_ERR(data->hwmon_dev)) { 1499 err = PTR_ERR(data->hwmon_dev); 1500 goto error; 1501 } 1502 1503 return 0; 1504 1505 error: 1506 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1507 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1508 return err; 1509 } 1510 1511 static int __devexit w83627hf_remove(struct platform_device *pdev) 1512 { 1513 struct w83627hf_data *data = platform_get_drvdata(pdev); 1514 1515 hwmon_device_unregister(data->hwmon_dev); 1516 1517 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1518 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1519 1520 return 0; 1521 } 1522 1523 1524 /* Registers 0x50-0x5f are banked */ 1525 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1526 { 1527 if ((reg & 0x00f0) == 0x50) { 1528 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1529 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1530 } 1531 } 1532 1533 /* Not strictly necessary, but play it safe for now */ 1534 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1535 { 1536 if (reg & 0xff00) { 1537 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1538 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1539 } 1540 } 1541 1542 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1543 { 1544 int res, word_sized; 1545 1546 mutex_lock(&data->lock); 1547 word_sized = (((reg & 0xff00) == 0x100) 1548 || ((reg & 0xff00) == 0x200)) 1549 && (((reg & 0x00ff) == 0x50) 1550 || ((reg & 0x00ff) == 0x53) 1551 || ((reg & 0x00ff) == 0x55)); 1552 w83627hf_set_bank(data, reg); 1553 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1554 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1555 if (word_sized) { 1556 outb_p((reg & 0xff) + 1, 1557 data->addr + W83781D_ADDR_REG_OFFSET); 1558 res = 1559 (res << 8) + inb_p(data->addr + 1560 W83781D_DATA_REG_OFFSET); 1561 } 1562 w83627hf_reset_bank(data, reg); 1563 mutex_unlock(&data->lock); 1564 return res; 1565 } 1566 1567 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) 1568 { 1569 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1570 int res = 0xff, sel; 1571 1572 superio_enter(sio_data); 1573 superio_select(sio_data, W83627HF_LD_GPIO5); 1574 1575 /* Make sure these GPIO pins are enabled */ 1576 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 1577 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1578 goto exit; 1579 } 1580 1581 /* 1582 * Make sure the pins are configured for input 1583 * There must be at least five (VRM 9), and possibly 6 (VRM 10) 1584 */ 1585 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 1586 if ((sel & 0x1f) != 0x1f) { 1587 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1588 "function\n"); 1589 goto exit; 1590 } 1591 1592 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1593 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 1594 1595 exit: 1596 superio_exit(sio_data); 1597 return res; 1598 } 1599 1600 static int __devinit w83687thf_read_vid(struct platform_device *pdev) 1601 { 1602 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1603 int res = 0xff; 1604 1605 superio_enter(sio_data); 1606 superio_select(sio_data, W83627HF_LD_HWM); 1607 1608 /* Make sure these GPIO pins are enabled */ 1609 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 1610 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1611 goto exit; 1612 } 1613 1614 /* Make sure the pins are configured for input */ 1615 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 1616 dev_dbg(&pdev->dev, "VID configured as output, " 1617 "no VID function\n"); 1618 goto exit; 1619 } 1620 1621 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 1622 1623 exit: 1624 superio_exit(sio_data); 1625 return res; 1626 } 1627 1628 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1629 { 1630 int word_sized; 1631 1632 mutex_lock(&data->lock); 1633 word_sized = (((reg & 0xff00) == 0x100) 1634 || ((reg & 0xff00) == 0x200)) 1635 && (((reg & 0x00ff) == 0x53) 1636 || ((reg & 0x00ff) == 0x55)); 1637 w83627hf_set_bank(data, reg); 1638 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1639 if (word_sized) { 1640 outb_p(value >> 8, 1641 data->addr + W83781D_DATA_REG_OFFSET); 1642 outb_p((reg & 0xff) + 1, 1643 data->addr + W83781D_ADDR_REG_OFFSET); 1644 } 1645 outb_p(value & 0xff, 1646 data->addr + W83781D_DATA_REG_OFFSET); 1647 w83627hf_reset_bank(data, reg); 1648 mutex_unlock(&data->lock); 1649 return 0; 1650 } 1651 1652 static void __devinit w83627hf_init_device(struct platform_device *pdev) 1653 { 1654 struct w83627hf_data *data = platform_get_drvdata(pdev); 1655 int i; 1656 enum chips type = data->type; 1657 u8 tmp; 1658 1659 /* Minimize conflicts with other winbond i2c-only clients... */ 1660 /* disable i2c subclients... how to disable main i2c client?? */ 1661 /* force i2c address to relatively uncommon address */ 1662 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1663 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1664 1665 /* Read VID only once */ 1666 if (type == w83627hf || type == w83637hf) { 1667 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1668 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1669 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1670 } else if (type == w83627thf) { 1671 data->vid = w83627thf_read_gpio5(pdev); 1672 } else if (type == w83687thf) { 1673 data->vid = w83687thf_read_vid(pdev); 1674 } 1675 1676 /* Read VRM & OVT Config only once */ 1677 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1678 data->vrm_ovt = 1679 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1680 } 1681 1682 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1683 for (i = 1; i <= 3; i++) { 1684 if (!(tmp & BIT_SCFG1[i - 1])) { 1685 data->sens[i - 1] = 4; 1686 } else { 1687 if (w83627hf_read_value 1688 (data, 1689 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1690 data->sens[i - 1] = 1; 1691 else 1692 data->sens[i - 1] = 2; 1693 } 1694 if ((type == w83697hf) && (i == 2)) 1695 break; 1696 } 1697 1698 if(init) { 1699 /* Enable temp2 */ 1700 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1701 if (tmp & 0x01) { 1702 dev_warn(&pdev->dev, "Enabling temp2, readings " 1703 "might not make sense\n"); 1704 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1705 tmp & 0xfe); 1706 } 1707 1708 /* Enable temp3 */ 1709 if (type != w83697hf) { 1710 tmp = w83627hf_read_value(data, 1711 W83627HF_REG_TEMP3_CONFIG); 1712 if (tmp & 0x01) { 1713 dev_warn(&pdev->dev, "Enabling temp3, " 1714 "readings might not make sense\n"); 1715 w83627hf_write_value(data, 1716 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1717 } 1718 } 1719 } 1720 1721 /* Start monitoring */ 1722 w83627hf_write_value(data, W83781D_REG_CONFIG, 1723 (w83627hf_read_value(data, 1724 W83781D_REG_CONFIG) & 0xf7) 1725 | 0x01); 1726 1727 /* Enable VBAT monitoring if needed */ 1728 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1729 if (!(tmp & 0x01)) 1730 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1731 } 1732 1733 static void w83627hf_update_fan_div(struct w83627hf_data *data) 1734 { 1735 int reg; 1736 1737 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1738 data->fan_div[0] = (reg >> 4) & 0x03; 1739 data->fan_div[1] = (reg >> 6) & 0x03; 1740 if (data->type != w83697hf) { 1741 data->fan_div[2] = (w83627hf_read_value(data, 1742 W83781D_REG_PIN) >> 6) & 0x03; 1743 } 1744 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1745 data->fan_div[0] |= (reg >> 3) & 0x04; 1746 data->fan_div[1] |= (reg >> 4) & 0x04; 1747 if (data->type != w83697hf) 1748 data->fan_div[2] |= (reg >> 5) & 0x04; 1749 } 1750 1751 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1752 { 1753 struct w83627hf_data *data = dev_get_drvdata(dev); 1754 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1755 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1756 1757 mutex_lock(&data->update_lock); 1758 1759 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1760 || !data->valid) { 1761 for (i = 0; i <= 8; i++) { 1762 /* skip missing sensors */ 1763 if (((data->type == w83697hf) && (i == 1)) || 1764 ((data->type != w83627hf && data->type != w83697hf) 1765 && (i == 5 || i == 6))) 1766 continue; 1767 data->in[i] = 1768 w83627hf_read_value(data, W83781D_REG_IN(i)); 1769 data->in_min[i] = 1770 w83627hf_read_value(data, 1771 W83781D_REG_IN_MIN(i)); 1772 data->in_max[i] = 1773 w83627hf_read_value(data, 1774 W83781D_REG_IN_MAX(i)); 1775 } 1776 for (i = 0; i <= 2; i++) { 1777 data->fan[i] = 1778 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1779 data->fan_min[i] = 1780 w83627hf_read_value(data, 1781 W83627HF_REG_FAN_MIN(i)); 1782 } 1783 for (i = 0; i <= 2; i++) { 1784 u8 tmp = w83627hf_read_value(data, 1785 W836X7HF_REG_PWM(data->type, i)); 1786 /* bits 0-3 are reserved in 627THF */ 1787 if (data->type == w83627thf) 1788 tmp &= 0xf0; 1789 data->pwm[i] = tmp; 1790 if (i == 1 && 1791 (data->type == w83627hf || data->type == w83697hf)) 1792 break; 1793 } 1794 if (data->type == w83627hf) { 1795 u8 tmp = w83627hf_read_value(data, 1796 W83627HF_REG_PWM_FREQ); 1797 data->pwm_freq[0] = tmp & 0x07; 1798 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1799 } else if (data->type != w83627thf) { 1800 for (i = 1; i <= 3; i++) { 1801 data->pwm_freq[i - 1] = 1802 w83627hf_read_value(data, 1803 W83637HF_REG_PWM_FREQ[i - 1]); 1804 if (i == 2 && (data->type == w83697hf)) 1805 break; 1806 } 1807 } 1808 if (data->type != w83627hf) { 1809 for (i = 0; i < num_pwms; i++) { 1810 u8 tmp = w83627hf_read_value(data, 1811 W83627THF_REG_PWM_ENABLE[i]); 1812 data->pwm_enable[i] = 1813 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1814 & 0x03) + 1; 1815 } 1816 } 1817 for (i = 0; i < num_temps; i++) { 1818 data->temp[i] = w83627hf_read_value( 1819 data, w83627hf_reg_temp[i]); 1820 data->temp_max[i] = w83627hf_read_value( 1821 data, w83627hf_reg_temp_over[i]); 1822 data->temp_max_hyst[i] = w83627hf_read_value( 1823 data, w83627hf_reg_temp_hyst[i]); 1824 } 1825 1826 w83627hf_update_fan_div(data); 1827 1828 data->alarms = 1829 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1830 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1831 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1832 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1833 data->beep_mask = (i << 8) | 1834 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1835 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1836 data->last_updated = jiffies; 1837 data->valid = 1; 1838 } 1839 1840 mutex_unlock(&data->update_lock); 1841 1842 return data; 1843 } 1844 1845 static int __init w83627hf_device_add(unsigned short address, 1846 const struct w83627hf_sio_data *sio_data) 1847 { 1848 struct resource res = { 1849 .start = address + WINB_REGION_OFFSET, 1850 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1851 .name = DRVNAME, 1852 .flags = IORESOURCE_IO, 1853 }; 1854 int err; 1855 1856 err = acpi_check_resource_conflict(&res); 1857 if (err) 1858 goto exit; 1859 1860 pdev = platform_device_alloc(DRVNAME, address); 1861 if (!pdev) { 1862 err = -ENOMEM; 1863 pr_err("Device allocation failed\n"); 1864 goto exit; 1865 } 1866 1867 err = platform_device_add_resources(pdev, &res, 1); 1868 if (err) { 1869 pr_err("Device resource addition failed (%d)\n", err); 1870 goto exit_device_put; 1871 } 1872 1873 err = platform_device_add_data(pdev, sio_data, 1874 sizeof(struct w83627hf_sio_data)); 1875 if (err) { 1876 pr_err("Platform data allocation failed\n"); 1877 goto exit_device_put; 1878 } 1879 1880 err = platform_device_add(pdev); 1881 if (err) { 1882 pr_err("Device addition failed (%d)\n", err); 1883 goto exit_device_put; 1884 } 1885 1886 return 0; 1887 1888 exit_device_put: 1889 platform_device_put(pdev); 1890 exit: 1891 return err; 1892 } 1893 1894 static int __init sensors_w83627hf_init(void) 1895 { 1896 int err; 1897 unsigned short address; 1898 struct w83627hf_sio_data sio_data; 1899 1900 if (w83627hf_find(0x2e, &address, &sio_data) 1901 && w83627hf_find(0x4e, &address, &sio_data)) 1902 return -ENODEV; 1903 1904 err = platform_driver_register(&w83627hf_driver); 1905 if (err) 1906 goto exit; 1907 1908 /* Sets global pdev as a side effect */ 1909 err = w83627hf_device_add(address, &sio_data); 1910 if (err) 1911 goto exit_driver; 1912 1913 return 0; 1914 1915 exit_driver: 1916 platform_driver_unregister(&w83627hf_driver); 1917 exit: 1918 return err; 1919 } 1920 1921 static void __exit sensors_w83627hf_exit(void) 1922 { 1923 platform_device_unregister(pdev); 1924 platform_driver_unregister(&w83627hf_driver); 1925 } 1926 1927 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1928 "Philip Edelbrock <phil@netroedge.com>, " 1929 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 1930 MODULE_DESCRIPTION("W83627HF driver"); 1931 MODULE_LICENSE("GPL"); 1932 1933 module_init(sensors_w83627hf_init); 1934 module_exit(sensors_w83627hf_exit); 1935