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#include <linux/module.h> 43#include <linux/init.h> 44#include <linux/slab.h> 45#include <linux/jiffies.h> 46#include <linux/platform_device.h> 47#include <linux/hwmon.h> 48#include <linux/hwmon-sysfs.h> 49#include <linux/hwmon-vid.h> 50#include <linux/err.h> 51#include <linux/mutex.h> 52#include <linux/ioport.h> 53#include <linux/acpi.h> 54#include <linux/io.h> 55#include "lm75.h" 56 57static struct platform_device *pdev; 58 59#define DRVNAME "w83627hf" 60enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 61 62struct w83627hf_sio_data { 63 enum chips type; 64 int sioaddr; 65}; 66 67static u8 force_i2c = 0x1f; 68module_param(force_i2c, byte, 0); 69MODULE_PARM_DESC(force_i2c, 70 "Initialize the i2c address of the sensors"); 71 72static int init = 1; 73module_param(init, bool, 0); 74MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 75 76static unsigned short force_id; 77module_param(force_id, ushort, 0); 78MODULE_PARM_DESC(force_id, "Override the detected device ID"); 79 80/* modified from kernel/include/traps.c */ 81#define DEV 0x07 /* Register: Logical device select */ 82 83/* logical device numbers for superio_select (below) */ 84#define W83627HF_LD_FDC 0x00 85#define W83627HF_LD_PRT 0x01 86#define W83627HF_LD_UART1 0x02 87#define W83627HF_LD_UART2 0x03 88#define W83627HF_LD_KBC 0x05 89#define W83627HF_LD_CIR 0x06 /* w83627hf only */ 90#define W83627HF_LD_GAME 0x07 91#define W83627HF_LD_MIDI 0x07 92#define W83627HF_LD_GPIO1 0x07 93#define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 94#define W83627HF_LD_GPIO2 0x08 95#define W83627HF_LD_GPIO3 0x09 96#define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 97#define W83627HF_LD_ACPI 0x0a 98#define W83627HF_LD_HWM 0x0b 99 100#define DEVID 0x20 /* Register: Device ID */ 101 102#define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 103#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 104#define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 105 106#define W83687THF_VID_EN 0x29 /* w83687thf only */ 107#define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 108#define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 109 110static inline void 111superio_outb(struct w83627hf_sio_data *sio, int reg, int val) 112{ 113 outb(reg, sio->sioaddr); 114 outb(val, sio->sioaddr + 1); 115} 116 117static inline int 118superio_inb(struct w83627hf_sio_data *sio, int reg) 119{ 120 outb(reg, sio->sioaddr); 121 return inb(sio->sioaddr + 1); 122} 123 124static inline void 125superio_select(struct w83627hf_sio_data *sio, int ld) 126{ 127 outb(DEV, sio->sioaddr); 128 outb(ld, sio->sioaddr + 1); 129} 130 131static inline void 132superio_enter(struct w83627hf_sio_data *sio) 133{ 134 outb(0x87, sio->sioaddr); 135 outb(0x87, sio->sioaddr); 136} 137 138static inline void 139superio_exit(struct w83627hf_sio_data *sio) 140{ 141 outb(0xAA, sio->sioaddr); 142} 143 144#define W627_DEVID 0x52 145#define W627THF_DEVID 0x82 146#define W697_DEVID 0x60 147#define W637_DEVID 0x70 148#define W687THF_DEVID 0x85 149#define WINB_ACT_REG 0x30 150#define WINB_BASE_REG 0x60 151/* Constants specified below */ 152 153/* Alignment of the base address */ 154#define WINB_ALIGNMENT ~7 155 156/* Offset & size of I/O region we are interested in */ 157#define WINB_REGION_OFFSET 5 158#define WINB_REGION_SIZE 2 159 160/* Where are the sensors address/data registers relative to the region offset */ 161#define W83781D_ADDR_REG_OFFSET 0 162#define W83781D_DATA_REG_OFFSET 1 163 164/* The W83781D registers */ 165/* The W83782D registers for nr=7,8 are in bank 5 */ 166#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 167 (0x554 + (((nr) - 7) * 2))) 168#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 169 (0x555 + (((nr) - 7) * 2))) 170#define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 171 (0x550 + (nr) - 7)) 172 173/* nr:0-2 for fans:1-3 */ 174#define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 175#define W83627HF_REG_FAN(nr) (0x28 + (nr)) 176 177#define W83627HF_REG_TEMP2_CONFIG 0x152 178#define W83627HF_REG_TEMP3_CONFIG 0x252 179/* these are zero-based, unlike config constants above */ 180static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 181static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 182static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 183 184#define W83781D_REG_BANK 0x4E 185 186#define W83781D_REG_CONFIG 0x40 187#define W83781D_REG_ALARM1 0x459 188#define W83781D_REG_ALARM2 0x45A 189#define W83781D_REG_ALARM3 0x45B 190 191#define W83781D_REG_BEEP_CONFIG 0x4D 192#define W83781D_REG_BEEP_INTS1 0x56 193#define W83781D_REG_BEEP_INTS2 0x57 194#define W83781D_REG_BEEP_INTS3 0x453 195 196#define W83781D_REG_VID_FANDIV 0x47 197 198#define W83781D_REG_CHIPID 0x49 199#define W83781D_REG_WCHIPID 0x58 200#define W83781D_REG_CHIPMAN 0x4F 201#define W83781D_REG_PIN 0x4B 202 203#define W83781D_REG_VBAT 0x5D 204 205#define W83627HF_REG_PWM1 0x5A 206#define W83627HF_REG_PWM2 0x5B 207 208static const u8 W83627THF_REG_PWM_ENABLE[] = { 209 0x04, /* FAN 1 mode */ 210 0x04, /* FAN 2 mode */ 211 0x12, /* FAN AUX mode */ 212}; 213static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 214 215#define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 216#define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 217#define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 218 219#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 220 221static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 222static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 223 W83627THF_REG_PWM3 }; 224#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 225 regpwm_627hf[nr] : regpwm[nr]) 226 227#define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 228 229#define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 230#define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 231#define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 232 233static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 234 W83637HF_REG_PWM_FREQ2, 235 W83637HF_REG_PWM_FREQ3 }; 236 237#define W83627HF_BASE_PWM_FREQ 46870 238 239#define W83781D_REG_I2C_ADDR 0x48 240#define W83781D_REG_I2C_SUBADDR 0x4A 241 242/* Sensor selection */ 243#define W83781D_REG_SCFG1 0x5D 244static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 245#define W83781D_REG_SCFG2 0x59 246static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 247#define W83781D_DEFAULT_BETA 3435 248 249/* Conversions. Limit checking is only done on the TO_REG 250 variants. Note that you should be a bit careful with which arguments 251 these macros are called: arguments may be evaluated more than once. 252 Fixing this is just not worth it. */ 253#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 254#define IN_FROM_REG(val) ((val) * 16) 255 256static inline u8 FAN_TO_REG(long rpm, int div) 257{ 258 if (rpm == 0) 259 return 255; 260 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 261 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 262 254); 263} 264 265#define TEMP_MIN (-128000) 266#define TEMP_MAX ( 127000) 267 268/* TEMP: 0.001C/bit (-128C to +127C) 269 REG: 1C/bit, two's complement */ 270static u8 TEMP_TO_REG(long temp) 271{ 272 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 273 ntemp += (ntemp<0 ? -500 : 500); 274 return (u8)(ntemp / 1000); 275} 276 277static int TEMP_FROM_REG(u8 reg) 278{ 279 return (s8)reg * 1000; 280} 281 282#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 283 284#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 285 286static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 287{ 288 unsigned long freq; 289 freq = W83627HF_BASE_PWM_FREQ >> reg; 290 return freq; 291} 292static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 293{ 294 u8 i; 295 /* Only 5 dividers (1 2 4 8 16) 296 Search for the nearest available frequency */ 297 for (i = 0; i < 4; i++) { 298 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 299 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 300 break; 301 } 302 return i; 303} 304 305static inline unsigned long pwm_freq_from_reg(u8 reg) 306{ 307 /* Clock bit 8 -> 180 kHz or 24 MHz */ 308 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 309 310 reg &= 0x7f; 311 /* This should not happen but anyway... */ 312 if (reg == 0) 313 reg++; 314 return (clock / (reg << 8)); 315} 316static inline u8 pwm_freq_to_reg(unsigned long val) 317{ 318 /* Minimum divider value is 0x01 and maximum is 0x7F */ 319 if (val >= 93750) /* The highest we can do */ 320 return 0x01; 321 if (val >= 720) /* Use 24 MHz clock */ 322 return (24000000UL / (val << 8)); 323 if (val < 6) /* The lowest we can do */ 324 return 0xFF; 325 else /* Use 180 kHz clock */ 326 return (0x80 | (180000UL / (val << 8))); 327} 328 329#define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) 330#define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) 331 332#define DIV_FROM_REG(val) (1 << (val)) 333 334static inline u8 DIV_TO_REG(long val) 335{ 336 int i; 337 val = SENSORS_LIMIT(val, 1, 128) >> 1; 338 for (i = 0; i < 7; i++) { 339 if (val == 0) 340 break; 341 val >>= 1; 342 } 343 return ((u8) i); 344} 345 346/* For each registered chip, we need to keep some data in memory. 347 The structure is dynamically allocated. */ 348struct w83627hf_data { 349 unsigned short addr; 350 const char *name; 351 struct device *hwmon_dev; 352 struct mutex lock; 353 enum chips type; 354 355 struct mutex update_lock; 356 char valid; /* !=0 if following fields are valid */ 357 unsigned long last_updated; /* In jiffies */ 358 359 u8 in[9]; /* Register value */ 360 u8 in_max[9]; /* Register value */ 361 u8 in_min[9]; /* Register value */ 362 u8 fan[3]; /* Register value */ 363 u8 fan_min[3]; /* Register value */ 364 u16 temp[3]; /* Register value */ 365 u16 temp_max[3]; /* Register value */ 366 u16 temp_max_hyst[3]; /* Register value */ 367 u8 fan_div[3]; /* Register encoding, shifted right */ 368 u8 vid; /* Register encoding, combined */ 369 u32 alarms; /* Register encoding, combined */ 370 u32 beep_mask; /* Register encoding, combined */ 371 u8 pwm[3]; /* Register value */ 372 u8 pwm_enable[3]; /* 1 = manual 373 2 = thermal cruise (also called SmartFan I) 374 3 = fan speed cruise */ 375 u8 pwm_freq[3]; /* Register value */ 376 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 377 4 = thermistor */ 378 u8 vrm; 379 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 380}; 381 382 383static int w83627hf_probe(struct platform_device *pdev); 384static int __devexit w83627hf_remove(struct platform_device *pdev); 385 386static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 387static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 388static void w83627hf_update_fan_div(struct w83627hf_data *data); 389static struct w83627hf_data *w83627hf_update_device(struct device *dev); 390static void w83627hf_init_device(struct platform_device *pdev); 391 392static struct platform_driver w83627hf_driver = { 393 .driver = { 394 .owner = THIS_MODULE, 395 .name = DRVNAME, 396 }, 397 .probe = w83627hf_probe, 398 .remove = __devexit_p(w83627hf_remove), 399}; 400 401static ssize_t 402show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) 403{ 404 int nr = to_sensor_dev_attr(devattr)->index; 405 struct w83627hf_data *data = w83627hf_update_device(dev); 406 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 407} 408static ssize_t 409show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) 410{ 411 int nr = to_sensor_dev_attr(devattr)->index; 412 struct w83627hf_data *data = w83627hf_update_device(dev); 413 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 414} 415static ssize_t 416show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) 417{ 418 int nr = to_sensor_dev_attr(devattr)->index; 419 struct w83627hf_data *data = w83627hf_update_device(dev); 420 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 421} 422static ssize_t 423store_in_min(struct device *dev, struct device_attribute *devattr, 424 const char *buf, size_t count) 425{ 426 int nr = to_sensor_dev_attr(devattr)->index; 427 struct w83627hf_data *data = dev_get_drvdata(dev); 428 long val = simple_strtol(buf, NULL, 10); 429 430 mutex_lock(&data->update_lock); 431 data->in_min[nr] = IN_TO_REG(val); 432 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 433 mutex_unlock(&data->update_lock); 434 return count; 435} 436static ssize_t 437store_in_max(struct device *dev, struct device_attribute *devattr, 438 const char *buf, size_t count) 439{ 440 int nr = to_sensor_dev_attr(devattr)->index; 441 struct w83627hf_data *data = dev_get_drvdata(dev); 442 long val = simple_strtol(buf, NULL, 10); 443 444 mutex_lock(&data->update_lock); 445 data->in_max[nr] = IN_TO_REG(val); 446 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 447 mutex_unlock(&data->update_lock); 448 return count; 449} 450#define sysfs_vin_decl(offset) \ 451static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 452 show_in_input, NULL, offset); \ 453static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ 454 show_in_min, store_in_min, offset); \ 455static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ 456 show_in_max, store_in_max, offset); 457 458sysfs_vin_decl(1); 459sysfs_vin_decl(2); 460sysfs_vin_decl(3); 461sysfs_vin_decl(4); 462sysfs_vin_decl(5); 463sysfs_vin_decl(6); 464sysfs_vin_decl(7); 465sysfs_vin_decl(8); 466 467/* use a different set of functions for in0 */ 468static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 469{ 470 long in0; 471 472 if ((data->vrm_ovt & 0x01) && 473 (w83627thf == data->type || w83637hf == data->type 474 || w83687thf == data->type)) 475 476 /* use VRM9 calculation */ 477 in0 = (long)((reg * 488 + 70000 + 50) / 100); 478 else 479 /* use VRM8 (standard) calculation */ 480 in0 = (long)IN_FROM_REG(reg); 481 482 return sprintf(buf,"%ld\n", in0); 483} 484 485static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) 486{ 487 struct w83627hf_data *data = w83627hf_update_device(dev); 488 return show_in_0(data, buf, data->in[0]); 489} 490 491static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 492{ 493 struct w83627hf_data *data = w83627hf_update_device(dev); 494 return show_in_0(data, buf, data->in_min[0]); 495} 496 497static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 498{ 499 struct w83627hf_data *data = w83627hf_update_device(dev); 500 return show_in_0(data, buf, data->in_max[0]); 501} 502 503static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 504 const char *buf, size_t count) 505{ 506 struct w83627hf_data *data = dev_get_drvdata(dev); 507 u32 val; 508 509 val = simple_strtoul(buf, NULL, 10); 510 511 mutex_lock(&data->update_lock); 512 513 if ((data->vrm_ovt & 0x01) && 514 (w83627thf == data->type || w83637hf == data->type 515 || w83687thf == data->type)) 516 517 /* use VRM9 calculation */ 518 data->in_min[0] = 519 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 520 255); 521 else 522 /* use VRM8 (standard) calculation */ 523 data->in_min[0] = IN_TO_REG(val); 524 525 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 526 mutex_unlock(&data->update_lock); 527 return count; 528} 529 530static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 531 const char *buf, size_t count) 532{ 533 struct w83627hf_data *data = dev_get_drvdata(dev); 534 u32 val; 535 536 val = simple_strtoul(buf, NULL, 10); 537 538 mutex_lock(&data->update_lock); 539 540 if ((data->vrm_ovt & 0x01) && 541 (w83627thf == data->type || w83637hf == data->type 542 || w83687thf == data->type)) 543 544 /* use VRM9 calculation */ 545 data->in_max[0] = 546 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 547 255); 548 else 549 /* use VRM8 (standard) calculation */ 550 data->in_max[0] = IN_TO_REG(val); 551 552 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 553 mutex_unlock(&data->update_lock); 554 return count; 555} 556 557static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 558static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 559 show_regs_in_min0, store_regs_in_min0); 560static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 561 show_regs_in_max0, store_regs_in_max0); 562 563static ssize_t 564show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) 565{ 566 int nr = to_sensor_dev_attr(devattr)->index; 567 struct w83627hf_data *data = w83627hf_update_device(dev); 568 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 569 (long)DIV_FROM_REG(data->fan_div[nr]))); 570} 571static ssize_t 572show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) 573{ 574 int nr = to_sensor_dev_attr(devattr)->index; 575 struct w83627hf_data *data = w83627hf_update_device(dev); 576 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 577 (long)DIV_FROM_REG(data->fan_div[nr]))); 578} 579static ssize_t 580store_fan_min(struct device *dev, struct device_attribute *devattr, 581 const char *buf, size_t count) 582{ 583 int nr = to_sensor_dev_attr(devattr)->index; 584 struct w83627hf_data *data = dev_get_drvdata(dev); 585 u32 val = simple_strtoul(buf, NULL, 10); 586 587 mutex_lock(&data->update_lock); 588 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 589 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 590 data->fan_min[nr]); 591 592 mutex_unlock(&data->update_lock); 593 return count; 594} 595#define sysfs_fan_decl(offset) \ 596static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 597 show_fan_input, NULL, offset - 1); \ 598static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 599 show_fan_min, store_fan_min, offset - 1); 600 601sysfs_fan_decl(1); 602sysfs_fan_decl(2); 603sysfs_fan_decl(3); 604 605static ssize_t 606show_temp(struct device *dev, struct device_attribute *devattr, char *buf) 607{ 608 int nr = to_sensor_dev_attr(devattr)->index; 609 struct w83627hf_data *data = w83627hf_update_device(dev); 610 611 u16 tmp = data->temp[nr]; 612 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 613 : (long) TEMP_FROM_REG(tmp)); 614} 615 616static ssize_t 617show_temp_max(struct device *dev, struct device_attribute *devattr, 618 char *buf) 619{ 620 int nr = to_sensor_dev_attr(devattr)->index; 621 struct w83627hf_data *data = w83627hf_update_device(dev); 622 623 u16 tmp = data->temp_max[nr]; 624 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 625 : (long) TEMP_FROM_REG(tmp)); 626} 627 628static ssize_t 629show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 630 char *buf) 631{ 632 int nr = to_sensor_dev_attr(devattr)->index; 633 struct w83627hf_data *data = w83627hf_update_device(dev); 634 635 u16 tmp = data->temp_max_hyst[nr]; 636 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 637 : (long) TEMP_FROM_REG(tmp)); 638} 639 640static ssize_t 641store_temp_max(struct device *dev, struct device_attribute *devattr, 642 const char *buf, size_t count) 643{ 644 int nr = to_sensor_dev_attr(devattr)->index; 645 struct w83627hf_data *data = dev_get_drvdata(dev); 646 long val = simple_strtol(buf, NULL, 10); 647 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 648 649 mutex_lock(&data->update_lock); 650 data->temp_max[nr] = tmp; 651 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 652 mutex_unlock(&data->update_lock); 653 return count; 654} 655 656static ssize_t 657store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 658 const char *buf, size_t count) 659{ 660 int nr = to_sensor_dev_attr(devattr)->index; 661 struct w83627hf_data *data = dev_get_drvdata(dev); 662 long val = simple_strtol(buf, NULL, 10); 663 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 664 665 mutex_lock(&data->update_lock); 666 data->temp_max_hyst[nr] = tmp; 667 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 668 mutex_unlock(&data->update_lock); 669 return count; 670} 671 672#define sysfs_temp_decl(offset) \ 673static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 674 show_temp, NULL, offset - 1); \ 675static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ 676 show_temp_max, store_temp_max, offset - 1); \ 677static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ 678 show_temp_max_hyst, store_temp_max_hyst, offset - 1); 679 680sysfs_temp_decl(1); 681sysfs_temp_decl(2); 682sysfs_temp_decl(3); 683 684static ssize_t 685show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 686{ 687 struct w83627hf_data *data = w83627hf_update_device(dev); 688 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 689} 690static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 691 692static ssize_t 693show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 694{ 695 struct w83627hf_data *data = dev_get_drvdata(dev); 696 return sprintf(buf, "%ld\n", (long) data->vrm); 697} 698static ssize_t 699store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 700{ 701 struct w83627hf_data *data = dev_get_drvdata(dev); 702 u32 val; 703 704 val = simple_strtoul(buf, NULL, 10); 705 data->vrm = val; 706 707 return count; 708} 709static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 710 711static ssize_t 712show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 713{ 714 struct w83627hf_data *data = w83627hf_update_device(dev); 715 return sprintf(buf, "%ld\n", (long) data->alarms); 716} 717static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 718 719static ssize_t 720show_alarm(struct device *dev, struct device_attribute *attr, char *buf) 721{ 722 struct w83627hf_data *data = w83627hf_update_device(dev); 723 int bitnr = to_sensor_dev_attr(attr)->index; 724 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 725} 726static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 727static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 728static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 729static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 730static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 731static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 732static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); 733static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); 734static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); 735static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 736static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 737static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); 738static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 739static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 740static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); 741 742static ssize_t 743show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf) 744{ 745 struct w83627hf_data *data = w83627hf_update_device(dev); 746 return sprintf(buf, "%ld\n", 747 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 748} 749 750static ssize_t 751store_beep_mask(struct device *dev, struct device_attribute *attr, 752 const char *buf, size_t count) 753{ 754 struct w83627hf_data *data = dev_get_drvdata(dev); 755 unsigned long val; 756 757 val = simple_strtoul(buf, NULL, 10); 758 759 mutex_lock(&data->update_lock); 760 761 /* preserve beep enable */ 762 data->beep_mask = (data->beep_mask & 0x8000) 763 | BEEP_MASK_TO_REG(val); 764 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 765 data->beep_mask & 0xff); 766 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 767 ((data->beep_mask) >> 16) & 0xff); 768 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 769 (data->beep_mask >> 8) & 0xff); 770 771 mutex_unlock(&data->update_lock); 772 return count; 773} 774 775static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, 776 show_beep_mask, store_beep_mask); 777 778static ssize_t 779show_beep(struct device *dev, struct device_attribute *attr, char *buf) 780{ 781 struct w83627hf_data *data = w83627hf_update_device(dev); 782 int bitnr = to_sensor_dev_attr(attr)->index; 783 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 784} 785 786static ssize_t 787store_beep(struct device *dev, struct device_attribute *attr, 788 const char *buf, size_t count) 789{ 790 struct w83627hf_data *data = dev_get_drvdata(dev); 791 int bitnr = to_sensor_dev_attr(attr)->index; 792 unsigned long bit; 793 u8 reg; 794 795 bit = simple_strtoul(buf, NULL, 10); 796 if (bit & ~1) 797 return -EINVAL; 798 799 mutex_lock(&data->update_lock); 800 if (bit) 801 data->beep_mask |= (1 << bitnr); 802 else 803 data->beep_mask &= ~(1 << bitnr); 804 805 if (bitnr < 8) { 806 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 807 if (bit) 808 reg |= (1 << bitnr); 809 else 810 reg &= ~(1 << bitnr); 811 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 812 } else if (bitnr < 16) { 813 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 814 if (bit) 815 reg |= (1 << (bitnr - 8)); 816 else 817 reg &= ~(1 << (bitnr - 8)); 818 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 819 } else { 820 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 821 if (bit) 822 reg |= (1 << (bitnr - 16)); 823 else 824 reg &= ~(1 << (bitnr - 16)); 825 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 826 } 827 mutex_unlock(&data->update_lock); 828 829 return count; 830} 831 832static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, 833 show_beep, store_beep, 0); 834static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, 835 show_beep, store_beep, 1); 836static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, 837 show_beep, store_beep, 2); 838static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, 839 show_beep, store_beep, 3); 840static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, 841 show_beep, store_beep, 8); 842static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, 843 show_beep, store_beep, 9); 844static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, 845 show_beep, store_beep, 10); 846static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, 847 show_beep, store_beep, 16); 848static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, 849 show_beep, store_beep, 17); 850static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, 851 show_beep, store_beep, 6); 852static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, 853 show_beep, store_beep, 7); 854static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, 855 show_beep, store_beep, 11); 856static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, 857 show_beep, store_beep, 4); 858static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, 859 show_beep, store_beep, 5); 860static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR, 861 show_beep, store_beep, 13); 862static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, 863 show_beep, store_beep, 15); 864 865static ssize_t 866show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) 867{ 868 int nr = to_sensor_dev_attr(devattr)->index; 869 struct w83627hf_data *data = w83627hf_update_device(dev); 870 return sprintf(buf, "%ld\n", 871 (long) DIV_FROM_REG(data->fan_div[nr])); 872} 873/* Note: we save and restore the fan minimum here, because its value is 874 determined in part by the fan divisor. This follows the principle of 875 least surprise; the user doesn't expect the fan minimum to change just 876 because the divisor changed. */ 877static ssize_t 878store_fan_div(struct device *dev, struct device_attribute *devattr, 879 const char *buf, size_t count) 880{ 881 int nr = to_sensor_dev_attr(devattr)->index; 882 struct w83627hf_data *data = dev_get_drvdata(dev); 883 unsigned long min; 884 u8 reg; 885 unsigned long val = simple_strtoul(buf, NULL, 10); 886 887 mutex_lock(&data->update_lock); 888 889 /* Save fan_min */ 890 min = FAN_FROM_REG(data->fan_min[nr], 891 DIV_FROM_REG(data->fan_div[nr])); 892 893 data->fan_div[nr] = DIV_TO_REG(val); 894 895 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 896 & (nr==0 ? 0xcf : 0x3f)) 897 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 898 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 899 900 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 901 & ~(1 << (5 + nr))) 902 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 903 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 904 905 /* Restore fan_min */ 906 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 907 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 908 909 mutex_unlock(&data->update_lock); 910 return count; 911} 912 913static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, 914 show_fan_div, store_fan_div, 0); 915static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, 916 show_fan_div, store_fan_div, 1); 917static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, 918 show_fan_div, store_fan_div, 2); 919 920static ssize_t 921show_pwm(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", (long) data->pwm[nr]); 926} 927 928static ssize_t 929store_pwm(struct device *dev, struct device_attribute *devattr, 930 const char *buf, size_t count) 931{ 932 int nr = to_sensor_dev_attr(devattr)->index; 933 struct w83627hf_data *data = dev_get_drvdata(dev); 934 u32 val = simple_strtoul(buf, NULL, 10); 935 936 mutex_lock(&data->update_lock); 937 938 if (data->type == w83627thf) { 939 /* bits 0-3 are reserved in 627THF */ 940 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 941 w83627hf_write_value(data, 942 W836X7HF_REG_PWM(data->type, nr), 943 data->pwm[nr] | 944 (w83627hf_read_value(data, 945 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 946 } else { 947 data->pwm[nr] = PWM_TO_REG(val); 948 w83627hf_write_value(data, 949 W836X7HF_REG_PWM(data->type, nr), 950 data->pwm[nr]); 951 } 952 953 mutex_unlock(&data->update_lock); 954 return count; 955} 956 957static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); 958static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); 959static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); 960 961static ssize_t 962show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf) 963{ 964 int nr = to_sensor_dev_attr(devattr)->index; 965 struct w83627hf_data *data = w83627hf_update_device(dev); 966 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 967} 968 969static ssize_t 970store_pwm_enable(struct device *dev, struct device_attribute *devattr, 971 const char *buf, size_t count) 972{ 973 int nr = to_sensor_dev_attr(devattr)->index; 974 struct w83627hf_data *data = dev_get_drvdata(dev); 975 unsigned long val = simple_strtoul(buf, NULL, 10); 976 u8 reg; 977 978 if (!val || (val > 3)) /* modes 1, 2 and 3 are supported */ 979 return -EINVAL; 980 mutex_lock(&data->update_lock); 981 data->pwm_enable[nr] = val; 982 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 983 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 984 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 985 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 986 mutex_unlock(&data->update_lock); 987 return count; 988} 989 990static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 991 store_pwm_enable, 0); 992static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 993 store_pwm_enable, 1); 994static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 995 store_pwm_enable, 2); 996 997static ssize_t 998show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) 999{ 1000 int nr = to_sensor_dev_attr(devattr)->index; 1001 struct w83627hf_data *data = w83627hf_update_device(dev); 1002 if (data->type == w83627hf) 1003 return sprintf(buf, "%ld\n", 1004 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1005 else 1006 return sprintf(buf, "%ld\n", 1007 pwm_freq_from_reg(data->pwm_freq[nr])); 1008} 1009 1010static ssize_t 1011store_pwm_freq(struct device *dev, struct device_attribute *devattr, 1012 const char *buf, size_t count) 1013{ 1014 int nr = to_sensor_dev_attr(devattr)->index; 1015 struct w83627hf_data *data = dev_get_drvdata(dev); 1016 static const u8 mask[]={0xF8, 0x8F}; 1017 u32 val; 1018 1019 val = simple_strtoul(buf, NULL, 10); 1020 1021 mutex_lock(&data->update_lock); 1022 1023 if (data->type == w83627hf) { 1024 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1025 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1026 (data->pwm_freq[nr] << (nr*4)) | 1027 (w83627hf_read_value(data, 1028 W83627HF_REG_PWM_FREQ) & mask[nr])); 1029 } else { 1030 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1031 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1032 data->pwm_freq[nr]); 1033 } 1034 1035 mutex_unlock(&data->update_lock); 1036 return count; 1037} 1038 1039static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, 1040 show_pwm_freq, store_pwm_freq, 0); 1041static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, 1042 show_pwm_freq, store_pwm_freq, 1); 1043static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, 1044 show_pwm_freq, store_pwm_freq, 2); 1045 1046static ssize_t 1047show_temp_type(struct device *dev, struct device_attribute *devattr, 1048 char *buf) 1049{ 1050 int nr = to_sensor_dev_attr(devattr)->index; 1051 struct w83627hf_data *data = w83627hf_update_device(dev); 1052 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1053} 1054 1055static ssize_t 1056store_temp_type(struct device *dev, struct device_attribute *devattr, 1057 const char *buf, size_t count) 1058{ 1059 int nr = to_sensor_dev_attr(devattr)->index; 1060 struct w83627hf_data *data = dev_get_drvdata(dev); 1061 u32 val, tmp; 1062 1063 val = simple_strtoul(buf, NULL, 10); 1064 1065 mutex_lock(&data->update_lock); 1066 1067 switch (val) { 1068 case 1: /* PII/Celeron diode */ 1069 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1070 w83627hf_write_value(data, W83781D_REG_SCFG1, 1071 tmp | BIT_SCFG1[nr]); 1072 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1073 w83627hf_write_value(data, W83781D_REG_SCFG2, 1074 tmp | BIT_SCFG2[nr]); 1075 data->sens[nr] = val; 1076 break; 1077 case 2: /* 3904 */ 1078 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1079 w83627hf_write_value(data, W83781D_REG_SCFG1, 1080 tmp | BIT_SCFG1[nr]); 1081 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1082 w83627hf_write_value(data, W83781D_REG_SCFG2, 1083 tmp & ~BIT_SCFG2[nr]); 1084 data->sens[nr] = val; 1085 break; 1086 case W83781D_DEFAULT_BETA: 1087 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1088 "instead\n", W83781D_DEFAULT_BETA); 1089 /* fall through */ 1090 case 4: /* thermistor */ 1091 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1092 w83627hf_write_value(data, W83781D_REG_SCFG1, 1093 tmp & ~BIT_SCFG1[nr]); 1094 data->sens[nr] = val; 1095 break; 1096 default: 1097 dev_err(dev, 1098 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1099 (long) val); 1100 break; 1101 } 1102 1103 mutex_unlock(&data->update_lock); 1104 return count; 1105} 1106 1107#define sysfs_temp_type(offset) \ 1108static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 1109 show_temp_type, store_temp_type, offset - 1); 1110 1111sysfs_temp_type(1); 1112sysfs_temp_type(2); 1113sysfs_temp_type(3); 1114 1115static ssize_t 1116show_name(struct device *dev, struct device_attribute *devattr, char *buf) 1117{ 1118 struct w83627hf_data *data = dev_get_drvdata(dev); 1119 1120 return sprintf(buf, "%s\n", data->name); 1121} 1122static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 1123 1124static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1125 struct w83627hf_sio_data *sio_data) 1126{ 1127 int err = -ENODEV; 1128 u16 val; 1129 1130 static const __initdata char *names[] = { 1131 "W83627HF", 1132 "W83627THF", 1133 "W83697HF", 1134 "W83637HF", 1135 "W83687THF", 1136 }; 1137 1138 sio_data->sioaddr = sioaddr; 1139 superio_enter(sio_data); 1140 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1141 switch (val) { 1142 case W627_DEVID: 1143 sio_data->type = w83627hf; 1144 break; 1145 case W627THF_DEVID: 1146 sio_data->type = w83627thf; 1147 break; 1148 case W697_DEVID: 1149 sio_data->type = w83697hf; 1150 break; 1151 case W637_DEVID: 1152 sio_data->type = w83637hf; 1153 break; 1154 case W687THF_DEVID: 1155 sio_data->type = w83687thf; 1156 break; 1157 case 0xff: /* No device at all */ 1158 goto exit; 1159 default: 1160 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1161 goto exit; 1162 } 1163 1164 superio_select(sio_data, W83627HF_LD_HWM); 1165 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1166 superio_inb(sio_data, WINB_BASE_REG + 1); 1167 *addr = val & WINB_ALIGNMENT; 1168 if (*addr == 0) { 1169 printk(KERN_WARNING DRVNAME ": Base address not set, " 1170 "skipping\n"); 1171 goto exit; 1172 } 1173 1174 val = superio_inb(sio_data, WINB_ACT_REG); 1175 if (!(val & 0x01)) { 1176 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n"); 1177 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1178 } 1179 1180 err = 0; 1181 pr_info(DRVNAME ": Found %s chip at %#x\n", 1182 names[sio_data->type], *addr); 1183 1184 exit: 1185 superio_exit(sio_data); 1186 return err; 1187} 1188 1189#define VIN_UNIT_ATTRS(_X_) \ 1190 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1191 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1192 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1193 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1194 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1195 1196#define FAN_UNIT_ATTRS(_X_) \ 1197 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1198 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1199 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1200 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1201 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1202 1203#define TEMP_UNIT_ATTRS(_X_) \ 1204 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1205 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1206 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1207 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1208 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1209 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1210 1211static struct attribute *w83627hf_attributes[] = { 1212 &dev_attr_in0_input.attr, 1213 &dev_attr_in0_min.attr, 1214 &dev_attr_in0_max.attr, 1215 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1216 &sensor_dev_attr_in0_beep.dev_attr.attr, 1217 VIN_UNIT_ATTRS(2), 1218 VIN_UNIT_ATTRS(3), 1219 VIN_UNIT_ATTRS(4), 1220 VIN_UNIT_ATTRS(7), 1221 VIN_UNIT_ATTRS(8), 1222 1223 FAN_UNIT_ATTRS(1), 1224 FAN_UNIT_ATTRS(2), 1225 1226 TEMP_UNIT_ATTRS(1), 1227 TEMP_UNIT_ATTRS(2), 1228 1229 &dev_attr_alarms.attr, 1230 &sensor_dev_attr_beep_enable.dev_attr.attr, 1231 &dev_attr_beep_mask.attr, 1232 1233 &sensor_dev_attr_pwm1.dev_attr.attr, 1234 &sensor_dev_attr_pwm2.dev_attr.attr, 1235 &dev_attr_name.attr, 1236 NULL 1237}; 1238 1239static const struct attribute_group w83627hf_group = { 1240 .attrs = w83627hf_attributes, 1241}; 1242 1243static struct attribute *w83627hf_attributes_opt[] = { 1244 VIN_UNIT_ATTRS(1), 1245 VIN_UNIT_ATTRS(5), 1246 VIN_UNIT_ATTRS(6), 1247 1248 FAN_UNIT_ATTRS(3), 1249 TEMP_UNIT_ATTRS(3), 1250 &sensor_dev_attr_pwm3.dev_attr.attr, 1251 1252 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1253 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1254 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1255 1256 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1257 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1258 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1259 1260 NULL 1261}; 1262 1263static const struct attribute_group w83627hf_group_opt = { 1264 .attrs = w83627hf_attributes_opt, 1265}; 1266 1267static int __devinit w83627hf_probe(struct platform_device *pdev) 1268{ 1269 struct device *dev = &pdev->dev; 1270 struct w83627hf_sio_data *sio_data = dev->platform_data; 1271 struct w83627hf_data *data; 1272 struct resource *res; 1273 int err, i; 1274 1275 static const char *names[] = { 1276 "w83627hf", 1277 "w83627thf", 1278 "w83697hf", 1279 "w83637hf", 1280 "w83687thf", 1281 }; 1282 1283 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1284 if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) { 1285 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1286 (unsigned long)res->start, 1287 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1288 err = -EBUSY; 1289 goto ERROR0; 1290 } 1291 1292 if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { 1293 err = -ENOMEM; 1294 goto ERROR1; 1295 } 1296 data->addr = res->start; 1297 data->type = sio_data->type; 1298 data->name = names[sio_data->type]; 1299 mutex_init(&data->lock); 1300 mutex_init(&data->update_lock); 1301 platform_set_drvdata(pdev, data); 1302 1303 /* Initialize the chip */ 1304 w83627hf_init_device(pdev); 1305 1306 /* A few vars need to be filled upon startup */ 1307 for (i = 0; i <= 2; i++) 1308 data->fan_min[i] = w83627hf_read_value( 1309 data, W83627HF_REG_FAN_MIN(i)); 1310 w83627hf_update_fan_div(data); 1311 1312 /* Register common device attributes */ 1313 if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group))) 1314 goto ERROR3; 1315 1316 /* Register chip-specific device attributes */ 1317 if (data->type == w83627hf || data->type == w83697hf) 1318 if ((err = device_create_file(dev, 1319 &sensor_dev_attr_in5_input.dev_attr)) 1320 || (err = device_create_file(dev, 1321 &sensor_dev_attr_in5_min.dev_attr)) 1322 || (err = device_create_file(dev, 1323 &sensor_dev_attr_in5_max.dev_attr)) 1324 || (err = device_create_file(dev, 1325 &sensor_dev_attr_in5_alarm.dev_attr)) 1326 || (err = device_create_file(dev, 1327 &sensor_dev_attr_in5_beep.dev_attr)) 1328 || (err = device_create_file(dev, 1329 &sensor_dev_attr_in6_input.dev_attr)) 1330 || (err = device_create_file(dev, 1331 &sensor_dev_attr_in6_min.dev_attr)) 1332 || (err = device_create_file(dev, 1333 &sensor_dev_attr_in6_max.dev_attr)) 1334 || (err = device_create_file(dev, 1335 &sensor_dev_attr_in6_alarm.dev_attr)) 1336 || (err = device_create_file(dev, 1337 &sensor_dev_attr_in6_beep.dev_attr)) 1338 || (err = device_create_file(dev, 1339 &sensor_dev_attr_pwm1_freq.dev_attr)) 1340 || (err = device_create_file(dev, 1341 &sensor_dev_attr_pwm2_freq.dev_attr))) 1342 goto ERROR4; 1343 1344 if (data->type != w83697hf) 1345 if ((err = device_create_file(dev, 1346 &sensor_dev_attr_in1_input.dev_attr)) 1347 || (err = device_create_file(dev, 1348 &sensor_dev_attr_in1_min.dev_attr)) 1349 || (err = device_create_file(dev, 1350 &sensor_dev_attr_in1_max.dev_attr)) 1351 || (err = device_create_file(dev, 1352 &sensor_dev_attr_in1_alarm.dev_attr)) 1353 || (err = device_create_file(dev, 1354 &sensor_dev_attr_in1_beep.dev_attr)) 1355 || (err = device_create_file(dev, 1356 &sensor_dev_attr_fan3_input.dev_attr)) 1357 || (err = device_create_file(dev, 1358 &sensor_dev_attr_fan3_min.dev_attr)) 1359 || (err = device_create_file(dev, 1360 &sensor_dev_attr_fan3_div.dev_attr)) 1361 || (err = device_create_file(dev, 1362 &sensor_dev_attr_fan3_alarm.dev_attr)) 1363 || (err = device_create_file(dev, 1364 &sensor_dev_attr_fan3_beep.dev_attr)) 1365 || (err = device_create_file(dev, 1366 &sensor_dev_attr_temp3_input.dev_attr)) 1367 || (err = device_create_file(dev, 1368 &sensor_dev_attr_temp3_max.dev_attr)) 1369 || (err = device_create_file(dev, 1370 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1371 || (err = device_create_file(dev, 1372 &sensor_dev_attr_temp3_alarm.dev_attr)) 1373 || (err = device_create_file(dev, 1374 &sensor_dev_attr_temp3_beep.dev_attr)) 1375 || (err = device_create_file(dev, 1376 &sensor_dev_attr_temp3_type.dev_attr))) 1377 goto ERROR4; 1378 1379 if (data->type != w83697hf && data->vid != 0xff) { 1380 /* Convert VID to voltage based on VRM */ 1381 data->vrm = vid_which_vrm(); 1382 1383 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1384 || (err = device_create_file(dev, &dev_attr_vrm))) 1385 goto ERROR4; 1386 } 1387 1388 if (data->type == w83627thf || data->type == w83637hf 1389 || data->type == w83687thf) 1390 if ((err = device_create_file(dev, 1391 &sensor_dev_attr_pwm3.dev_attr))) 1392 goto ERROR4; 1393 1394 if (data->type == w83637hf || data->type == w83687thf) 1395 if ((err = device_create_file(dev, 1396 &sensor_dev_attr_pwm1_freq.dev_attr)) 1397 || (err = device_create_file(dev, 1398 &sensor_dev_attr_pwm2_freq.dev_attr)) 1399 || (err = device_create_file(dev, 1400 &sensor_dev_attr_pwm3_freq.dev_attr))) 1401 goto ERROR4; 1402 1403 if (data->type != w83627hf) 1404 if ((err = device_create_file(dev, 1405 &sensor_dev_attr_pwm1_enable.dev_attr)) 1406 || (err = device_create_file(dev, 1407 &sensor_dev_attr_pwm2_enable.dev_attr))) 1408 goto ERROR4; 1409 1410 if (data->type == w83627thf || data->type == w83637hf 1411 || data->type == w83687thf) 1412 if ((err = device_create_file(dev, 1413 &sensor_dev_attr_pwm3_enable.dev_attr))) 1414 goto ERROR4; 1415 1416 data->hwmon_dev = hwmon_device_register(dev); 1417 if (IS_ERR(data->hwmon_dev)) { 1418 err = PTR_ERR(data->hwmon_dev); 1419 goto ERROR4; 1420 } 1421 1422 return 0; 1423 1424 ERROR4: 1425 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1426 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1427 ERROR3: 1428 platform_set_drvdata(pdev, NULL); 1429 kfree(data); 1430 ERROR1: 1431 release_region(res->start, WINB_REGION_SIZE); 1432 ERROR0: 1433 return err; 1434} 1435 1436static int __devexit w83627hf_remove(struct platform_device *pdev) 1437{ 1438 struct w83627hf_data *data = platform_get_drvdata(pdev); 1439 struct resource *res; 1440 1441 hwmon_device_unregister(data->hwmon_dev); 1442 1443 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1444 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1445 platform_set_drvdata(pdev, NULL); 1446 kfree(data); 1447 1448 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1449 release_region(res->start, WINB_REGION_SIZE); 1450 1451 return 0; 1452} 1453 1454 1455/* Registers 0x50-0x5f are banked */ 1456static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1457{ 1458 if ((reg & 0x00f0) == 0x50) { 1459 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1460 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1461 } 1462} 1463 1464/* Not strictly necessary, but play it safe for now */ 1465static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1466{ 1467 if (reg & 0xff00) { 1468 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1469 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1470 } 1471} 1472 1473static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1474{ 1475 int res, word_sized; 1476 1477 mutex_lock(&data->lock); 1478 word_sized = (((reg & 0xff00) == 0x100) 1479 || ((reg & 0xff00) == 0x200)) 1480 && (((reg & 0x00ff) == 0x50) 1481 || ((reg & 0x00ff) == 0x53) 1482 || ((reg & 0x00ff) == 0x55)); 1483 w83627hf_set_bank(data, reg); 1484 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1485 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1486 if (word_sized) { 1487 outb_p((reg & 0xff) + 1, 1488 data->addr + W83781D_ADDR_REG_OFFSET); 1489 res = 1490 (res << 8) + inb_p(data->addr + 1491 W83781D_DATA_REG_OFFSET); 1492 } 1493 w83627hf_reset_bank(data, reg); 1494 mutex_unlock(&data->lock); 1495 return res; 1496} 1497 1498static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) 1499{ 1500 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1501 int res = 0xff, sel; 1502 1503 superio_enter(sio_data); 1504 superio_select(sio_data, W83627HF_LD_GPIO5); 1505 1506 /* Make sure these GPIO pins are enabled */ 1507 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 1508 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1509 goto exit; 1510 } 1511 1512 /* Make sure the pins are configured for input 1513 There must be at least five (VRM 9), and possibly 6 (VRM 10) */ 1514 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 1515 if ((sel & 0x1f) != 0x1f) { 1516 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1517 "function\n"); 1518 goto exit; 1519 } 1520 1521 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1522 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 1523 1524exit: 1525 superio_exit(sio_data); 1526 return res; 1527} 1528 1529static int __devinit w83687thf_read_vid(struct platform_device *pdev) 1530{ 1531 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1532 int res = 0xff; 1533 1534 superio_enter(sio_data); 1535 superio_select(sio_data, W83627HF_LD_HWM); 1536 1537 /* Make sure these GPIO pins are enabled */ 1538 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 1539 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1540 goto exit; 1541 } 1542 1543 /* Make sure the pins are configured for input */ 1544 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 1545 dev_dbg(&pdev->dev, "VID configured as output, " 1546 "no VID function\n"); 1547 goto exit; 1548 } 1549 1550 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 1551 1552exit: 1553 superio_exit(sio_data); 1554 return res; 1555} 1556 1557static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1558{ 1559 int word_sized; 1560 1561 mutex_lock(&data->lock); 1562 word_sized = (((reg & 0xff00) == 0x100) 1563 || ((reg & 0xff00) == 0x200)) 1564 && (((reg & 0x00ff) == 0x53) 1565 || ((reg & 0x00ff) == 0x55)); 1566 w83627hf_set_bank(data, reg); 1567 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1568 if (word_sized) { 1569 outb_p(value >> 8, 1570 data->addr + W83781D_DATA_REG_OFFSET); 1571 outb_p((reg & 0xff) + 1, 1572 data->addr + W83781D_ADDR_REG_OFFSET); 1573 } 1574 outb_p(value & 0xff, 1575 data->addr + W83781D_DATA_REG_OFFSET); 1576 w83627hf_reset_bank(data, reg); 1577 mutex_unlock(&data->lock); 1578 return 0; 1579} 1580 1581static void __devinit w83627hf_init_device(struct platform_device *pdev) 1582{ 1583 struct w83627hf_data *data = platform_get_drvdata(pdev); 1584 int i; 1585 enum chips type = data->type; 1586 u8 tmp; 1587 1588 /* Minimize conflicts with other winbond i2c-only clients... */ 1589 /* disable i2c subclients... how to disable main i2c client?? */ 1590 /* force i2c address to relatively uncommon address */ 1591 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1592 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1593 1594 /* Read VID only once */ 1595 if (type == w83627hf || type == w83637hf) { 1596 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1597 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1598 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1599 } else if (type == w83627thf) { 1600 data->vid = w83627thf_read_gpio5(pdev); 1601 } else if (type == w83687thf) { 1602 data->vid = w83687thf_read_vid(pdev); 1603 } 1604 1605 /* Read VRM & OVT Config only once */ 1606 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1607 data->vrm_ovt = 1608 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1609 } 1610 1611 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1612 for (i = 1; i <= 3; i++) { 1613 if (!(tmp & BIT_SCFG1[i - 1])) { 1614 data->sens[i - 1] = 4; 1615 } else { 1616 if (w83627hf_read_value 1617 (data, 1618 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1619 data->sens[i - 1] = 1; 1620 else 1621 data->sens[i - 1] = 2; 1622 } 1623 if ((type == w83697hf) && (i == 2)) 1624 break; 1625 } 1626 1627 if(init) { 1628 /* Enable temp2 */ 1629 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1630 if (tmp & 0x01) { 1631 dev_warn(&pdev->dev, "Enabling temp2, readings " 1632 "might not make sense\n"); 1633 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1634 tmp & 0xfe); 1635 } 1636 1637 /* Enable temp3 */ 1638 if (type != w83697hf) { 1639 tmp = w83627hf_read_value(data, 1640 W83627HF_REG_TEMP3_CONFIG); 1641 if (tmp & 0x01) { 1642 dev_warn(&pdev->dev, "Enabling temp3, " 1643 "readings might not make sense\n"); 1644 w83627hf_write_value(data, 1645 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1646 } 1647 } 1648 } 1649 1650 /* Start monitoring */ 1651 w83627hf_write_value(data, W83781D_REG_CONFIG, 1652 (w83627hf_read_value(data, 1653 W83781D_REG_CONFIG) & 0xf7) 1654 | 0x01); 1655 1656 /* Enable VBAT monitoring if needed */ 1657 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1658 if (!(tmp & 0x01)) 1659 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1660} 1661 1662static void w83627hf_update_fan_div(struct w83627hf_data *data) 1663{ 1664 int reg; 1665 1666 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1667 data->fan_div[0] = (reg >> 4) & 0x03; 1668 data->fan_div[1] = (reg >> 6) & 0x03; 1669 if (data->type != w83697hf) { 1670 data->fan_div[2] = (w83627hf_read_value(data, 1671 W83781D_REG_PIN) >> 6) & 0x03; 1672 } 1673 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1674 data->fan_div[0] |= (reg >> 3) & 0x04; 1675 data->fan_div[1] |= (reg >> 4) & 0x04; 1676 if (data->type != w83697hf) 1677 data->fan_div[2] |= (reg >> 5) & 0x04; 1678} 1679 1680static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1681{ 1682 struct w83627hf_data *data = dev_get_drvdata(dev); 1683 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1684 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1685 1686 mutex_lock(&data->update_lock); 1687 1688 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1689 || !data->valid) { 1690 for (i = 0; i <= 8; i++) { 1691 /* skip missing sensors */ 1692 if (((data->type == w83697hf) && (i == 1)) || 1693 ((data->type != w83627hf && data->type != w83697hf) 1694 && (i == 5 || i == 6))) 1695 continue; 1696 data->in[i] = 1697 w83627hf_read_value(data, W83781D_REG_IN(i)); 1698 data->in_min[i] = 1699 w83627hf_read_value(data, 1700 W83781D_REG_IN_MIN(i)); 1701 data->in_max[i] = 1702 w83627hf_read_value(data, 1703 W83781D_REG_IN_MAX(i)); 1704 } 1705 for (i = 0; i <= 2; i++) { 1706 data->fan[i] = 1707 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1708 data->fan_min[i] = 1709 w83627hf_read_value(data, 1710 W83627HF_REG_FAN_MIN(i)); 1711 } 1712 for (i = 0; i <= 2; i++) { 1713 u8 tmp = w83627hf_read_value(data, 1714 W836X7HF_REG_PWM(data->type, i)); 1715 /* bits 0-3 are reserved in 627THF */ 1716 if (data->type == w83627thf) 1717 tmp &= 0xf0; 1718 data->pwm[i] = tmp; 1719 if (i == 1 && 1720 (data->type == w83627hf || data->type == w83697hf)) 1721 break; 1722 } 1723 if (data->type == w83627hf) { 1724 u8 tmp = w83627hf_read_value(data, 1725 W83627HF_REG_PWM_FREQ); 1726 data->pwm_freq[0] = tmp & 0x07; 1727 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1728 } else if (data->type != w83627thf) { 1729 for (i = 1; i <= 3; i++) { 1730 data->pwm_freq[i - 1] = 1731 w83627hf_read_value(data, 1732 W83637HF_REG_PWM_FREQ[i - 1]); 1733 if (i == 2 && (data->type == w83697hf)) 1734 break; 1735 } 1736 } 1737 if (data->type != w83627hf) { 1738 for (i = 0; i < num_pwms; i++) { 1739 u8 tmp = w83627hf_read_value(data, 1740 W83627THF_REG_PWM_ENABLE[i]); 1741 data->pwm_enable[i] = 1742 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1743 & 0x03) + 1; 1744 } 1745 } 1746 for (i = 0; i < num_temps; i++) { 1747 data->temp[i] = w83627hf_read_value( 1748 data, w83627hf_reg_temp[i]); 1749 data->temp_max[i] = w83627hf_read_value( 1750 data, w83627hf_reg_temp_over[i]); 1751 data->temp_max_hyst[i] = w83627hf_read_value( 1752 data, w83627hf_reg_temp_hyst[i]); 1753 } 1754 1755 w83627hf_update_fan_div(data); 1756 1757 data->alarms = 1758 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1759 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1760 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1761 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1762 data->beep_mask = (i << 8) | 1763 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1764 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1765 data->last_updated = jiffies; 1766 data->valid = 1; 1767 } 1768 1769 mutex_unlock(&data->update_lock); 1770 1771 return data; 1772} 1773 1774static int __init w83627hf_device_add(unsigned short address, 1775 const struct w83627hf_sio_data *sio_data) 1776{ 1777 struct resource res = { 1778 .start = address + WINB_REGION_OFFSET, 1779 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1780 .name = DRVNAME, 1781 .flags = IORESOURCE_IO, 1782 }; 1783 int err; 1784 1785 err = acpi_check_resource_conflict(&res); 1786 if (err) 1787 goto exit; 1788 1789 pdev = platform_device_alloc(DRVNAME, address); 1790 if (!pdev) { 1791 err = -ENOMEM; 1792 printk(KERN_ERR DRVNAME ": Device allocation failed\n"); 1793 goto exit; 1794 } 1795 1796 err = platform_device_add_resources(pdev, &res, 1); 1797 if (err) { 1798 printk(KERN_ERR DRVNAME ": Device resource addition failed " 1799 "(%d)\n", err); 1800 goto exit_device_put; 1801 } 1802 1803 err = platform_device_add_data(pdev, sio_data, 1804 sizeof(struct w83627hf_sio_data)); 1805 if (err) { 1806 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); 1807 goto exit_device_put; 1808 } 1809 1810 err = platform_device_add(pdev); 1811 if (err) { 1812 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", 1813 err); 1814 goto exit_device_put; 1815 } 1816 1817 return 0; 1818 1819exit_device_put: 1820 platform_device_put(pdev); 1821exit: 1822 return err; 1823} 1824 1825static int __init sensors_w83627hf_init(void) 1826{ 1827 int err; 1828 unsigned short address; 1829 struct w83627hf_sio_data sio_data; 1830 1831 if (w83627hf_find(0x2e, &address, &sio_data) 1832 && w83627hf_find(0x4e, &address, &sio_data)) 1833 return -ENODEV; 1834 1835 err = platform_driver_register(&w83627hf_driver); 1836 if (err) 1837 goto exit; 1838 1839 /* Sets global pdev as a side effect */ 1840 err = w83627hf_device_add(address, &sio_data); 1841 if (err) 1842 goto exit_driver; 1843 1844 return 0; 1845 1846exit_driver: 1847 platform_driver_unregister(&w83627hf_driver); 1848exit: 1849 return err; 1850} 1851 1852static void __exit sensors_w83627hf_exit(void) 1853{ 1854 platform_device_unregister(pdev); 1855 platform_driver_unregister(&w83627hf_driver); 1856} 1857 1858MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1859 "Philip Edelbrock <phil@netroedge.com>, " 1860 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 1861MODULE_DESCRIPTION("W83627HF driver"); 1862MODULE_LICENSE("GPL"); 1863 1864module_init(sensors_w83627hf_init); 1865module_exit(sensors_w83627hf_exit); 1866