1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware 4 * monitoring 5 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 6 * Philip Edelbrock <phil@netroedge.com>, 7 * and Mark Studebaker <mdsxyz123@yahoo.com> 8 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> 9 * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de> 10 */ 11 12/* 13 * Supports following chips: 14 * 15 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 16 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 17 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 18 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 19 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 20 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 21 * 22 * For other winbond chips, and for i2c support in the above chips, 23 * use w83781d.c. 24 * 25 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not 26 * supported yet. 27 */ 28 29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 30 31#include <linux/module.h> 32#include <linux/init.h> 33#include <linux/slab.h> 34#include <linux/jiffies.h> 35#include <linux/platform_device.h> 36#include <linux/hwmon.h> 37#include <linux/hwmon-sysfs.h> 38#include <linux/hwmon-vid.h> 39#include <linux/err.h> 40#include <linux/mutex.h> 41#include <linux/ioport.h> 42#include <linux/acpi.h> 43#include <linux/io.h> 44#include "lm75.h" 45 46static struct platform_device *pdev; 47 48#define DRVNAME "w83627hf" 49enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 50 51struct w83627hf_sio_data { 52 enum chips type; 53 int sioaddr; 54}; 55 56static u8 force_i2c = 0x1f; 57module_param(force_i2c, byte, 0); 58MODULE_PARM_DESC(force_i2c, 59 "Initialize the i2c address of the sensors"); 60 61static bool init = 1; 62module_param(init, bool, 0); 63MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 64 65static unsigned short force_id; 66module_param(force_id, ushort, 0); 67MODULE_PARM_DESC(force_id, "Override the detected device ID"); 68 69/* modified from kernel/include/traps.c */ 70#define DEV 0x07 /* Register: Logical device select */ 71 72/* logical device numbers for superio_select (below) */ 73#define W83627HF_LD_FDC 0x00 74#define W83627HF_LD_PRT 0x01 75#define W83627HF_LD_UART1 0x02 76#define W83627HF_LD_UART2 0x03 77#define W83627HF_LD_KBC 0x05 78#define W83627HF_LD_CIR 0x06 /* w83627hf only */ 79#define W83627HF_LD_GAME 0x07 80#define W83627HF_LD_MIDI 0x07 81#define W83627HF_LD_GPIO1 0x07 82#define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 83#define W83627HF_LD_GPIO2 0x08 84#define W83627HF_LD_GPIO3 0x09 85#define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 86#define W83627HF_LD_ACPI 0x0a 87#define W83627HF_LD_HWM 0x0b 88 89#define DEVID 0x20 /* Register: Device ID */ 90 91#define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 92#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 93#define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 94 95#define W83687THF_VID_EN 0x29 /* w83687thf only */ 96#define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 97#define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 98 99static inline void 100superio_outb(struct w83627hf_sio_data *sio, int reg, int val) 101{ 102 outb(reg, sio->sioaddr); 103 outb(val, sio->sioaddr + 1); 104} 105 106static inline int 107superio_inb(struct w83627hf_sio_data *sio, int reg) 108{ 109 outb(reg, sio->sioaddr); 110 return inb(sio->sioaddr + 1); 111} 112 113static inline void 114superio_select(struct w83627hf_sio_data *sio, int ld) 115{ 116 outb(DEV, sio->sioaddr); 117 outb(ld, sio->sioaddr + 1); 118} 119 120static inline int 121superio_enter(struct w83627hf_sio_data *sio) 122{ 123 if (!request_muxed_region(sio->sioaddr, 2, DRVNAME)) 124 return -EBUSY; 125 126 outb(0x87, sio->sioaddr); 127 outb(0x87, sio->sioaddr); 128 129 return 0; 130} 131 132static inline void 133superio_exit(struct w83627hf_sio_data *sio) 134{ 135 outb(0xAA, sio->sioaddr); 136 release_region(sio->sioaddr, 2); 137} 138 139#define W627_DEVID 0x52 140#define W627THF_DEVID 0x82 141#define W697_DEVID 0x60 142#define W637_DEVID 0x70 143#define W687THF_DEVID 0x85 144#define WINB_ACT_REG 0x30 145#define WINB_BASE_REG 0x60 146/* Constants specified below */ 147 148/* Alignment of the base address */ 149#define WINB_ALIGNMENT ~7 150 151/* Offset & size of I/O region we are interested in */ 152#define WINB_REGION_OFFSET 5 153#define WINB_REGION_SIZE 2 154 155/* Where are the sensors address/data registers relative to the region offset */ 156#define W83781D_ADDR_REG_OFFSET 0 157#define W83781D_DATA_REG_OFFSET 1 158 159/* The W83781D registers */ 160/* The W83782D registers for nr=7,8 are in bank 5 */ 161#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 162 (0x554 + (((nr) - 7) * 2))) 163#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 164 (0x555 + (((nr) - 7) * 2))) 165#define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 166 (0x550 + (nr) - 7)) 167 168/* nr:0-2 for fans:1-3 */ 169#define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 170#define W83627HF_REG_FAN(nr) (0x28 + (nr)) 171 172#define W83627HF_REG_TEMP2_CONFIG 0x152 173#define W83627HF_REG_TEMP3_CONFIG 0x252 174/* these are zero-based, unlike config constants above */ 175static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 176static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 177static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 178 179#define W83781D_REG_BANK 0x4E 180 181#define W83781D_REG_CONFIG 0x40 182#define W83781D_REG_ALARM1 0x459 183#define W83781D_REG_ALARM2 0x45A 184#define W83781D_REG_ALARM3 0x45B 185 186#define W83781D_REG_BEEP_CONFIG 0x4D 187#define W83781D_REG_BEEP_INTS1 0x56 188#define W83781D_REG_BEEP_INTS2 0x57 189#define W83781D_REG_BEEP_INTS3 0x453 190 191#define W83781D_REG_VID_FANDIV 0x47 192 193#define W83781D_REG_CHIPID 0x49 194#define W83781D_REG_WCHIPID 0x58 195#define W83781D_REG_CHIPMAN 0x4F 196#define W83781D_REG_PIN 0x4B 197 198#define W83781D_REG_VBAT 0x5D 199 200#define W83627HF_REG_PWM1 0x5A 201#define W83627HF_REG_PWM2 0x5B 202 203static const u8 W83627THF_REG_PWM_ENABLE[] = { 204 0x04, /* FAN 1 mode */ 205 0x04, /* FAN 2 mode */ 206 0x12, /* FAN AUX mode */ 207}; 208static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 209 210#define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 211#define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 212#define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 213 214#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 215 216static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 217static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 218 W83627THF_REG_PWM3 }; 219#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 220 regpwm_627hf[nr] : regpwm[nr]) 221 222#define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 223 224#define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 225#define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 226#define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 227 228static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 229 W83637HF_REG_PWM_FREQ2, 230 W83637HF_REG_PWM_FREQ3 }; 231 232#define W83627HF_BASE_PWM_FREQ 46870 233 234#define W83781D_REG_I2C_ADDR 0x48 235#define W83781D_REG_I2C_SUBADDR 0x4A 236 237/* Sensor selection */ 238#define W83781D_REG_SCFG1 0x5D 239static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 240#define W83781D_REG_SCFG2 0x59 241static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 242#define W83781D_DEFAULT_BETA 3435 243 244/* 245 * Conversions. Limit checking is only done on the TO_REG 246 * variants. Note that you should be a bit careful with which arguments 247 * these macros are called: arguments may be evaluated more than once. 248 * Fixing this is just not worth it. 249 */ 250#define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) 251#define IN_FROM_REG(val) ((val) * 16) 252 253static inline u8 FAN_TO_REG(long rpm, int div) 254{ 255 if (rpm == 0) 256 return 255; 257 rpm = clamp_val(rpm, 1, 1000000); 258 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 259} 260 261#define TEMP_MIN (-128000) 262#define TEMP_MAX ( 127000) 263 264/* 265 * TEMP: 0.001C/bit (-128C to +127C) 266 * REG: 1C/bit, two's complement 267 */ 268static u8 TEMP_TO_REG(long temp) 269{ 270 int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX); 271 ntemp += (ntemp < 0 ? -500 : 500); 272 return (u8)(ntemp / 1000); 273} 274 275static int TEMP_FROM_REG(u8 reg) 276{ 277 return (s8)reg * 1000; 278} 279 280#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 281 282#define PWM_TO_REG(val) (clamp_val((val), 0, 255)) 283 284static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 285{ 286 unsigned long freq; 287 freq = W83627HF_BASE_PWM_FREQ >> reg; 288 return freq; 289} 290static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 291{ 292 u8 i; 293 /* 294 * Only 5 dividers (1 2 4 8 16) 295 * Search for the nearest available frequency 296 */ 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 = clamp_val(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/* 347 * For each registered chip, we need to keep some data in memory. 348 * The structure is dynamically allocated. 349 */ 350struct w83627hf_data { 351 unsigned short addr; 352 const char *name; 353 struct device *hwmon_dev; 354 struct mutex lock; 355 enum chips type; 356 357 struct mutex update_lock; 358 char valid; /* !=0 if following fields are valid */ 359 unsigned long last_updated; /* In jiffies */ 360 361 u8 in[9]; /* Register value */ 362 u8 in_max[9]; /* Register value */ 363 u8 in_min[9]; /* Register value */ 364 u8 fan[3]; /* Register value */ 365 u8 fan_min[3]; /* Register value */ 366 u16 temp[3]; /* Register value */ 367 u16 temp_max[3]; /* Register value */ 368 u16 temp_max_hyst[3]; /* Register value */ 369 u8 fan_div[3]; /* Register encoding, shifted right */ 370 u8 vid; /* Register encoding, combined */ 371 u32 alarms; /* Register encoding, combined */ 372 u32 beep_mask; /* Register encoding, combined */ 373 u8 pwm[3]; /* Register value */ 374 u8 pwm_enable[3]; /* 1 = manual 375 * 2 = thermal cruise (also called SmartFan I) 376 * 3 = fan speed cruise 377 */ 378 u8 pwm_freq[3]; /* Register value */ 379 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 380 * 4 = thermistor 381 */ 382 u8 vrm; 383 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 384 385#ifdef CONFIG_PM 386 /* Remember extra register values over suspend/resume */ 387 u8 scfg1; 388 u8 scfg2; 389#endif 390}; 391 392static int w83627hf_probe(struct platform_device *pdev); 393static int w83627hf_remove(struct platform_device *pdev); 394 395static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 396static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 397static void w83627hf_update_fan_div(struct w83627hf_data *data); 398static struct w83627hf_data *w83627hf_update_device(struct device *dev); 399static void w83627hf_init_device(struct platform_device *pdev); 400 401#ifdef CONFIG_PM 402static int w83627hf_suspend(struct device *dev) 403{ 404 struct w83627hf_data *data = w83627hf_update_device(dev); 405 406 mutex_lock(&data->update_lock); 407 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); 408 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); 409 mutex_unlock(&data->update_lock); 410 411 return 0; 412} 413 414static int w83627hf_resume(struct device *dev) 415{ 416 struct w83627hf_data *data = dev_get_drvdata(dev); 417 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 418 419 /* Restore limits */ 420 mutex_lock(&data->update_lock); 421 for (i = 0; i <= 8; i++) { 422 /* skip missing sensors */ 423 if (((data->type == w83697hf) && (i == 1)) || 424 ((data->type != w83627hf && data->type != w83697hf) 425 && (i == 5 || i == 6))) 426 continue; 427 w83627hf_write_value(data, W83781D_REG_IN_MAX(i), 428 data->in_max[i]); 429 w83627hf_write_value(data, W83781D_REG_IN_MIN(i), 430 data->in_min[i]); 431 } 432 for (i = 0; i <= 2; i++) 433 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), 434 data->fan_min[i]); 435 for (i = 0; i < num_temps; i++) { 436 w83627hf_write_value(data, w83627hf_reg_temp_over[i], 437 data->temp_max[i]); 438 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i], 439 data->temp_max_hyst[i]); 440 } 441 442 /* Fixup BIOS bugs */ 443 if (data->type == w83627thf || data->type == w83637hf || 444 data->type == w83687thf) 445 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, 446 data->vrm_ovt); 447 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1); 448 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2); 449 450 /* Force re-reading all values */ 451 data->valid = 0; 452 mutex_unlock(&data->update_lock); 453 454 return 0; 455} 456 457static const struct dev_pm_ops w83627hf_dev_pm_ops = { 458 .suspend = w83627hf_suspend, 459 .resume = w83627hf_resume, 460}; 461 462#define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) 463#else 464#define W83627HF_DEV_PM_OPS NULL 465#endif /* CONFIG_PM */ 466 467static struct platform_driver w83627hf_driver = { 468 .driver = { 469 .name = DRVNAME, 470 .pm = W83627HF_DEV_PM_OPS, 471 }, 472 .probe = w83627hf_probe, 473 .remove = w83627hf_remove, 474}; 475 476static ssize_t 477in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) 478{ 479 int nr = to_sensor_dev_attr(devattr)->index; 480 struct w83627hf_data *data = w83627hf_update_device(dev); 481 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 482} 483static ssize_t 484in_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 485{ 486 int nr = to_sensor_dev_attr(devattr)->index; 487 struct w83627hf_data *data = w83627hf_update_device(dev); 488 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 489} 490static ssize_t 491in_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 492{ 493 int nr = to_sensor_dev_attr(devattr)->index; 494 struct w83627hf_data *data = w83627hf_update_device(dev); 495 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 496} 497static ssize_t 498in_min_store(struct device *dev, struct device_attribute *devattr, 499 const char *buf, size_t count) 500{ 501 int nr = to_sensor_dev_attr(devattr)->index; 502 struct w83627hf_data *data = dev_get_drvdata(dev); 503 long val; 504 int err; 505 506 err = kstrtol(buf, 10, &val); 507 if (err) 508 return err; 509 510 mutex_lock(&data->update_lock); 511 data->in_min[nr] = IN_TO_REG(val); 512 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 513 mutex_unlock(&data->update_lock); 514 return count; 515} 516static ssize_t 517in_max_store(struct device *dev, struct device_attribute *devattr, 518 const char *buf, size_t count) 519{ 520 int nr = to_sensor_dev_attr(devattr)->index; 521 struct w83627hf_data *data = dev_get_drvdata(dev); 522 long val; 523 int err; 524 525 err = kstrtol(buf, 10, &val); 526 if (err) 527 return err; 528 529 mutex_lock(&data->update_lock); 530 data->in_max[nr] = IN_TO_REG(val); 531 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 532 mutex_unlock(&data->update_lock); 533 return count; 534} 535 536static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1); 537static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); 538static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); 539static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2); 540static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); 541static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); 542static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3); 543static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); 544static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); 545static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4); 546static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); 547static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); 548static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5); 549static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); 550static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); 551static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6); 552static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); 553static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); 554static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7); 555static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); 556static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); 557static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8); 558static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8); 559static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8); 560 561/* use a different set of functions for in0 */ 562static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 563{ 564 long in0; 565 566 if ((data->vrm_ovt & 0x01) && 567 (w83627thf == data->type || w83637hf == data->type 568 || w83687thf == data->type)) 569 570 /* use VRM9 calculation */ 571 in0 = (long)((reg * 488 + 70000 + 50) / 100); 572 else 573 /* use VRM8 (standard) calculation */ 574 in0 = (long)IN_FROM_REG(reg); 575 576 return sprintf(buf,"%ld\n", in0); 577} 578 579static ssize_t in0_input_show(struct device *dev, 580 struct device_attribute *attr, char *buf) 581{ 582 struct w83627hf_data *data = w83627hf_update_device(dev); 583 return show_in_0(data, buf, data->in[0]); 584} 585 586static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, 587 char *buf) 588{ 589 struct w83627hf_data *data = w83627hf_update_device(dev); 590 return show_in_0(data, buf, data->in_min[0]); 591} 592 593static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, 594 char *buf) 595{ 596 struct w83627hf_data *data = w83627hf_update_device(dev); 597 return show_in_0(data, buf, data->in_max[0]); 598} 599 600static ssize_t in0_min_store(struct device *dev, 601 struct device_attribute *attr, const char *buf, 602 size_t count) 603{ 604 struct w83627hf_data *data = dev_get_drvdata(dev); 605 unsigned long val; 606 int err; 607 608 err = kstrtoul(buf, 10, &val); 609 if (err) 610 return err; 611 612 mutex_lock(&data->update_lock); 613 614 if ((data->vrm_ovt & 0x01) && 615 (w83627thf == data->type || w83637hf == data->type 616 || w83687thf == data->type)) 617 618 /* use VRM9 calculation */ 619 data->in_min[0] = 620 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 621 else 622 /* use VRM8 (standard) calculation */ 623 data->in_min[0] = IN_TO_REG(val); 624 625 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 626 mutex_unlock(&data->update_lock); 627 return count; 628} 629 630static ssize_t in0_max_store(struct device *dev, 631 struct device_attribute *attr, const char *buf, 632 size_t count) 633{ 634 struct w83627hf_data *data = dev_get_drvdata(dev); 635 unsigned long val; 636 int err; 637 638 err = kstrtoul(buf, 10, &val); 639 if (err) 640 return err; 641 642 mutex_lock(&data->update_lock); 643 644 if ((data->vrm_ovt & 0x01) && 645 (w83627thf == data->type || w83637hf == data->type 646 || w83687thf == data->type)) 647 648 /* use VRM9 calculation */ 649 data->in_max[0] = 650 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 651 else 652 /* use VRM8 (standard) calculation */ 653 data->in_max[0] = IN_TO_REG(val); 654 655 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 656 mutex_unlock(&data->update_lock); 657 return count; 658} 659 660static DEVICE_ATTR_RO(in0_input); 661static DEVICE_ATTR_RW(in0_min); 662static DEVICE_ATTR_RW(in0_max); 663 664static ssize_t 665fan_input_show(struct device *dev, struct device_attribute *devattr, 666 char *buf) 667{ 668 int nr = to_sensor_dev_attr(devattr)->index; 669 struct w83627hf_data *data = w83627hf_update_device(dev); 670 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 671 (long)DIV_FROM_REG(data->fan_div[nr]))); 672} 673static ssize_t 674fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 675{ 676 int nr = to_sensor_dev_attr(devattr)->index; 677 struct w83627hf_data *data = w83627hf_update_device(dev); 678 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 679 (long)DIV_FROM_REG(data->fan_div[nr]))); 680} 681static ssize_t 682fan_min_store(struct device *dev, struct device_attribute *devattr, 683 const char *buf, size_t count) 684{ 685 int nr = to_sensor_dev_attr(devattr)->index; 686 struct w83627hf_data *data = dev_get_drvdata(dev); 687 unsigned long val; 688 int err; 689 690 err = kstrtoul(buf, 10, &val); 691 if (err) 692 return err; 693 694 mutex_lock(&data->update_lock); 695 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 696 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 697 data->fan_min[nr]); 698 699 mutex_unlock(&data->update_lock); 700 return count; 701} 702 703static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); 704static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); 705static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); 706static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); 707static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); 708static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); 709 710static ssize_t 711temp_show(struct device *dev, struct device_attribute *devattr, char *buf) 712{ 713 int nr = to_sensor_dev_attr(devattr)->index; 714 struct w83627hf_data *data = w83627hf_update_device(dev); 715 716 u16 tmp = data->temp[nr]; 717 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 718 : (long) TEMP_FROM_REG(tmp)); 719} 720 721static ssize_t 722temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 723{ 724 int nr = to_sensor_dev_attr(devattr)->index; 725 struct w83627hf_data *data = w83627hf_update_device(dev); 726 727 u16 tmp = data->temp_max[nr]; 728 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 729 : (long) TEMP_FROM_REG(tmp)); 730} 731 732static ssize_t 733temp_max_hyst_show(struct device *dev, struct device_attribute *devattr, 734 char *buf) 735{ 736 int nr = to_sensor_dev_attr(devattr)->index; 737 struct w83627hf_data *data = w83627hf_update_device(dev); 738 739 u16 tmp = data->temp_max_hyst[nr]; 740 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 741 : (long) TEMP_FROM_REG(tmp)); 742} 743 744static ssize_t 745temp_max_store(struct device *dev, struct device_attribute *devattr, 746 const char *buf, size_t count) 747{ 748 int nr = to_sensor_dev_attr(devattr)->index; 749 struct w83627hf_data *data = dev_get_drvdata(dev); 750 u16 tmp; 751 long val; 752 int err; 753 754 err = kstrtol(buf, 10, &val); 755 if (err) 756 return err; 757 758 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 759 mutex_lock(&data->update_lock); 760 data->temp_max[nr] = tmp; 761 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 762 mutex_unlock(&data->update_lock); 763 return count; 764} 765 766static ssize_t 767temp_max_hyst_store(struct device *dev, struct device_attribute *devattr, 768 const char *buf, size_t count) 769{ 770 int nr = to_sensor_dev_attr(devattr)->index; 771 struct w83627hf_data *data = dev_get_drvdata(dev); 772 u16 tmp; 773 long val; 774 int err; 775 776 err = kstrtol(buf, 10, &val); 777 if (err) 778 return err; 779 780 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 781 mutex_lock(&data->update_lock); 782 data->temp_max_hyst[nr] = tmp; 783 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 784 mutex_unlock(&data->update_lock); 785 return count; 786} 787 788static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); 789static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); 790static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0); 791static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); 792static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); 793static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1); 794static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); 795static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); 796static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2); 797 798static ssize_t 799cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) 800{ 801 struct w83627hf_data *data = w83627hf_update_device(dev); 802 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 803} 804static DEVICE_ATTR_RO(cpu0_vid); 805 806static ssize_t 807vrm_show(struct device *dev, struct device_attribute *attr, char *buf) 808{ 809 struct w83627hf_data *data = dev_get_drvdata(dev); 810 return sprintf(buf, "%ld\n", (long) data->vrm); 811} 812static ssize_t 813vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, 814 size_t count) 815{ 816 struct w83627hf_data *data = dev_get_drvdata(dev); 817 unsigned long val; 818 int err; 819 820 err = kstrtoul(buf, 10, &val); 821 if (err) 822 return err; 823 824 if (val > 255) 825 return -EINVAL; 826 data->vrm = val; 827 828 return count; 829} 830static DEVICE_ATTR_RW(vrm); 831 832static ssize_t 833alarms_show(struct device *dev, struct device_attribute *attr, char *buf) 834{ 835 struct w83627hf_data *data = w83627hf_update_device(dev); 836 return sprintf(buf, "%ld\n", (long) data->alarms); 837} 838static DEVICE_ATTR_RO(alarms); 839 840static ssize_t 841alarm_show(struct device *dev, struct device_attribute *attr, char *buf) 842{ 843 struct w83627hf_data *data = w83627hf_update_device(dev); 844 int bitnr = to_sensor_dev_attr(attr)->index; 845 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 846} 847static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); 848static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); 849static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); 850static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); 851static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); 852static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9); 853static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10); 854static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16); 855static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17); 856static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6); 857static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7); 858static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11); 859static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); 860static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); 861static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13); 862 863static ssize_t 864beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) 865{ 866 struct w83627hf_data *data = w83627hf_update_device(dev); 867 return sprintf(buf, "%ld\n", 868 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 869} 870 871static ssize_t 872beep_mask_store(struct device *dev, struct device_attribute *attr, 873 const char *buf, size_t count) 874{ 875 struct w83627hf_data *data = dev_get_drvdata(dev); 876 unsigned long val; 877 int err; 878 879 err = kstrtoul(buf, 10, &val); 880 if (err) 881 return err; 882 883 mutex_lock(&data->update_lock); 884 885 /* preserve beep enable */ 886 data->beep_mask = (data->beep_mask & 0x8000) 887 | BEEP_MASK_TO_REG(val); 888 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 889 data->beep_mask & 0xff); 890 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 891 ((data->beep_mask) >> 16) & 0xff); 892 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 893 (data->beep_mask >> 8) & 0xff); 894 895 mutex_unlock(&data->update_lock); 896 return count; 897} 898 899static DEVICE_ATTR_RW(beep_mask); 900 901static ssize_t 902beep_show(struct device *dev, struct device_attribute *attr, char *buf) 903{ 904 struct w83627hf_data *data = w83627hf_update_device(dev); 905 int bitnr = to_sensor_dev_attr(attr)->index; 906 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 907} 908 909static ssize_t 910beep_store(struct device *dev, struct device_attribute *attr, const char *buf, 911 size_t count) 912{ 913 struct w83627hf_data *data = dev_get_drvdata(dev); 914 int bitnr = to_sensor_dev_attr(attr)->index; 915 u8 reg; 916 unsigned long bit; 917 int err; 918 919 err = kstrtoul(buf, 10, &bit); 920 if (err) 921 return err; 922 923 if (bit & ~1) 924 return -EINVAL; 925 926 mutex_lock(&data->update_lock); 927 if (bit) 928 data->beep_mask |= (1 << bitnr); 929 else 930 data->beep_mask &= ~(1 << bitnr); 931 932 if (bitnr < 8) { 933 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 934 if (bit) 935 reg |= (1 << bitnr); 936 else 937 reg &= ~(1 << bitnr); 938 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 939 } else if (bitnr < 16) { 940 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 941 if (bit) 942 reg |= (1 << (bitnr - 8)); 943 else 944 reg &= ~(1 << (bitnr - 8)); 945 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 946 } else { 947 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 948 if (bit) 949 reg |= (1 << (bitnr - 16)); 950 else 951 reg &= ~(1 << (bitnr - 16)); 952 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 953 } 954 mutex_unlock(&data->update_lock); 955 956 return count; 957} 958 959static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0); 960static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1); 961static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2); 962static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3); 963static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8); 964static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9); 965static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10); 966static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16); 967static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17); 968static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6); 969static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7); 970static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11); 971static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4); 972static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5); 973static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13); 974static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15); 975 976static ssize_t 977fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) 978{ 979 int nr = to_sensor_dev_attr(devattr)->index; 980 struct w83627hf_data *data = w83627hf_update_device(dev); 981 return sprintf(buf, "%ld\n", 982 (long) DIV_FROM_REG(data->fan_div[nr])); 983} 984/* 985 * Note: we save and restore the fan minimum here, because its value is 986 * determined in part by the fan divisor. This follows the principle of 987 * least surprise; the user doesn't expect the fan minimum to change just 988 * because the divisor changed. 989 */ 990static ssize_t 991fan_div_store(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 min; 997 u8 reg; 998 unsigned long val; 999 int err; 1000 1001 err = kstrtoul(buf, 10, &val); 1002 if (err) 1003 return err; 1004 1005 mutex_lock(&data->update_lock); 1006 1007 /* Save fan_min */ 1008 min = FAN_FROM_REG(data->fan_min[nr], 1009 DIV_FROM_REG(data->fan_div[nr])); 1010 1011 data->fan_div[nr] = DIV_TO_REG(val); 1012 1013 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 1014 & (nr==0 ? 0xcf : 0x3f)) 1015 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 1016 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 1017 1018 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 1019 & ~(1 << (5 + nr))) 1020 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 1021 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 1022 1023 /* Restore fan_min */ 1024 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 1025 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 1026 1027 mutex_unlock(&data->update_lock); 1028 return count; 1029} 1030 1031static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); 1032static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); 1033static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2); 1034 1035static ssize_t 1036pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) 1037{ 1038 int nr = to_sensor_dev_attr(devattr)->index; 1039 struct w83627hf_data *data = w83627hf_update_device(dev); 1040 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 1041} 1042 1043static ssize_t 1044pwm_store(struct device *dev, struct device_attribute *devattr, 1045 const char *buf, size_t count) 1046{ 1047 int nr = to_sensor_dev_attr(devattr)->index; 1048 struct w83627hf_data *data = dev_get_drvdata(dev); 1049 unsigned long val; 1050 int err; 1051 1052 err = kstrtoul(buf, 10, &val); 1053 if (err) 1054 return err; 1055 1056 mutex_lock(&data->update_lock); 1057 1058 if (data->type == w83627thf) { 1059 /* bits 0-3 are reserved in 627THF */ 1060 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 1061 w83627hf_write_value(data, 1062 W836X7HF_REG_PWM(data->type, nr), 1063 data->pwm[nr] | 1064 (w83627hf_read_value(data, 1065 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 1066 } else { 1067 data->pwm[nr] = PWM_TO_REG(val); 1068 w83627hf_write_value(data, 1069 W836X7HF_REG_PWM(data->type, nr), 1070 data->pwm[nr]); 1071 } 1072 1073 mutex_unlock(&data->update_lock); 1074 return count; 1075} 1076 1077static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); 1078static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); 1079static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); 1080 1081static ssize_t 1082pwm_enable_show(struct device *dev, struct device_attribute *devattr, 1083 char *buf) 1084{ 1085 int nr = to_sensor_dev_attr(devattr)->index; 1086 struct w83627hf_data *data = w83627hf_update_device(dev); 1087 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 1088} 1089 1090static ssize_t 1091pwm_enable_store(struct device *dev, struct device_attribute *devattr, 1092 const char *buf, size_t count) 1093{ 1094 int nr = to_sensor_dev_attr(devattr)->index; 1095 struct w83627hf_data *data = dev_get_drvdata(dev); 1096 u8 reg; 1097 unsigned long val; 1098 int err; 1099 1100 err = kstrtoul(buf, 10, &val); 1101 if (err) 1102 return err; 1103 1104 if (!val || val > 3) /* modes 1, 2 and 3 are supported */ 1105 return -EINVAL; 1106 mutex_lock(&data->update_lock); 1107 data->pwm_enable[nr] = val; 1108 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 1109 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 1110 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 1111 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 1112 mutex_unlock(&data->update_lock); 1113 return count; 1114} 1115 1116static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); 1117static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); 1118static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); 1119 1120static ssize_t 1121pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf) 1122{ 1123 int nr = to_sensor_dev_attr(devattr)->index; 1124 struct w83627hf_data *data = w83627hf_update_device(dev); 1125 if (data->type == w83627hf) 1126 return sprintf(buf, "%ld\n", 1127 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1128 else 1129 return sprintf(buf, "%ld\n", 1130 pwm_freq_from_reg(data->pwm_freq[nr])); 1131} 1132 1133static ssize_t 1134pwm_freq_store(struct device *dev, struct device_attribute *devattr, 1135 const char *buf, size_t count) 1136{ 1137 int nr = to_sensor_dev_attr(devattr)->index; 1138 struct w83627hf_data *data = dev_get_drvdata(dev); 1139 static const u8 mask[]={0xF8, 0x8F}; 1140 unsigned long val; 1141 int err; 1142 1143 err = kstrtoul(buf, 10, &val); 1144 if (err) 1145 return err; 1146 1147 mutex_lock(&data->update_lock); 1148 1149 if (data->type == w83627hf) { 1150 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1151 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1152 (data->pwm_freq[nr] << (nr*4)) | 1153 (w83627hf_read_value(data, 1154 W83627HF_REG_PWM_FREQ) & mask[nr])); 1155 } else { 1156 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1157 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1158 data->pwm_freq[nr]); 1159 } 1160 1161 mutex_unlock(&data->update_lock); 1162 return count; 1163} 1164 1165static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); 1166static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); 1167static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); 1168 1169static ssize_t 1170temp_type_show(struct device *dev, struct device_attribute *devattr, 1171 char *buf) 1172{ 1173 int nr = to_sensor_dev_attr(devattr)->index; 1174 struct w83627hf_data *data = w83627hf_update_device(dev); 1175 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1176} 1177 1178static ssize_t 1179temp_type_store(struct device *dev, struct device_attribute *devattr, 1180 const char *buf, size_t count) 1181{ 1182 int nr = to_sensor_dev_attr(devattr)->index; 1183 struct w83627hf_data *data = dev_get_drvdata(dev); 1184 unsigned long val; 1185 u32 tmp; 1186 int err; 1187 1188 err = kstrtoul(buf, 10, &val); 1189 if (err) 1190 return err; 1191 1192 mutex_lock(&data->update_lock); 1193 1194 switch (val) { 1195 case 1: /* PII/Celeron diode */ 1196 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1197 w83627hf_write_value(data, W83781D_REG_SCFG1, 1198 tmp | BIT_SCFG1[nr]); 1199 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1200 w83627hf_write_value(data, W83781D_REG_SCFG2, 1201 tmp | BIT_SCFG2[nr]); 1202 data->sens[nr] = val; 1203 break; 1204 case 2: /* 3904 */ 1205 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1206 w83627hf_write_value(data, W83781D_REG_SCFG1, 1207 tmp | BIT_SCFG1[nr]); 1208 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1209 w83627hf_write_value(data, W83781D_REG_SCFG2, 1210 tmp & ~BIT_SCFG2[nr]); 1211 data->sens[nr] = val; 1212 break; 1213 case W83781D_DEFAULT_BETA: 1214 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1215 "instead\n", W83781D_DEFAULT_BETA); 1216 fallthrough; 1217 case 4: /* thermistor */ 1218 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1219 w83627hf_write_value(data, W83781D_REG_SCFG1, 1220 tmp & ~BIT_SCFG1[nr]); 1221 data->sens[nr] = val; 1222 break; 1223 default: 1224 dev_err(dev, 1225 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1226 (long) val); 1227 break; 1228 } 1229 1230 mutex_unlock(&data->update_lock); 1231 return count; 1232} 1233 1234static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0); 1235static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1); 1236static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2); 1237 1238static ssize_t 1239name_show(struct device *dev, struct device_attribute *devattr, char *buf) 1240{ 1241 struct w83627hf_data *data = dev_get_drvdata(dev); 1242 1243 return sprintf(buf, "%s\n", data->name); 1244} 1245static DEVICE_ATTR_RO(name); 1246 1247static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1248 struct w83627hf_sio_data *sio_data) 1249{ 1250 int err; 1251 u16 val; 1252 1253 static __initconst char *const names[] = { 1254 "W83627HF", 1255 "W83627THF", 1256 "W83697HF", 1257 "W83637HF", 1258 "W83687THF", 1259 }; 1260 1261 sio_data->sioaddr = sioaddr; 1262 err = superio_enter(sio_data); 1263 if (err) 1264 return err; 1265 1266 err = -ENODEV; 1267 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1268 switch (val) { 1269 case W627_DEVID: 1270 sio_data->type = w83627hf; 1271 break; 1272 case W627THF_DEVID: 1273 sio_data->type = w83627thf; 1274 break; 1275 case W697_DEVID: 1276 sio_data->type = w83697hf; 1277 break; 1278 case W637_DEVID: 1279 sio_data->type = w83637hf; 1280 break; 1281 case W687THF_DEVID: 1282 sio_data->type = w83687thf; 1283 break; 1284 case 0xff: /* No device at all */ 1285 goto exit; 1286 default: 1287 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1288 goto exit; 1289 } 1290 1291 superio_select(sio_data, W83627HF_LD_HWM); 1292 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1293 superio_inb(sio_data, WINB_BASE_REG + 1); 1294 *addr = val & WINB_ALIGNMENT; 1295 if (*addr == 0) { 1296 pr_warn("Base address not set, skipping\n"); 1297 goto exit; 1298 } 1299 1300 val = superio_inb(sio_data, WINB_ACT_REG); 1301 if (!(val & 0x01)) { 1302 pr_warn("Enabling HWM logical device\n"); 1303 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1304 } 1305 1306 err = 0; 1307 pr_info(DRVNAME ": Found %s chip at %#x\n", 1308 names[sio_data->type], *addr); 1309 1310 exit: 1311 superio_exit(sio_data); 1312 return err; 1313} 1314 1315#define VIN_UNIT_ATTRS(_X_) \ 1316 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1317 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1318 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1319 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1320 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1321 1322#define FAN_UNIT_ATTRS(_X_) \ 1323 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1324 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1325 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1326 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1327 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1328 1329#define TEMP_UNIT_ATTRS(_X_) \ 1330 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1331 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1332 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1333 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1334 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1335 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1336 1337static struct attribute *w83627hf_attributes[] = { 1338 &dev_attr_in0_input.attr, 1339 &dev_attr_in0_min.attr, 1340 &dev_attr_in0_max.attr, 1341 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1342 &sensor_dev_attr_in0_beep.dev_attr.attr, 1343 VIN_UNIT_ATTRS(2), 1344 VIN_UNIT_ATTRS(3), 1345 VIN_UNIT_ATTRS(4), 1346 VIN_UNIT_ATTRS(7), 1347 VIN_UNIT_ATTRS(8), 1348 1349 FAN_UNIT_ATTRS(1), 1350 FAN_UNIT_ATTRS(2), 1351 1352 TEMP_UNIT_ATTRS(1), 1353 TEMP_UNIT_ATTRS(2), 1354 1355 &dev_attr_alarms.attr, 1356 &sensor_dev_attr_beep_enable.dev_attr.attr, 1357 &dev_attr_beep_mask.attr, 1358 1359 &sensor_dev_attr_pwm1.dev_attr.attr, 1360 &sensor_dev_attr_pwm2.dev_attr.attr, 1361 &dev_attr_name.attr, 1362 NULL 1363}; 1364 1365static const struct attribute_group w83627hf_group = { 1366 .attrs = w83627hf_attributes, 1367}; 1368 1369static struct attribute *w83627hf_attributes_opt[] = { 1370 VIN_UNIT_ATTRS(1), 1371 VIN_UNIT_ATTRS(5), 1372 VIN_UNIT_ATTRS(6), 1373 1374 FAN_UNIT_ATTRS(3), 1375 TEMP_UNIT_ATTRS(3), 1376 &sensor_dev_attr_pwm3.dev_attr.attr, 1377 1378 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1379 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1380 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1381 1382 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1383 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1384 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1385 1386 NULL 1387}; 1388 1389static const struct attribute_group w83627hf_group_opt = { 1390 .attrs = w83627hf_attributes_opt, 1391}; 1392 1393static int w83627hf_probe(struct platform_device *pdev) 1394{ 1395 struct device *dev = &pdev->dev; 1396 struct w83627hf_sio_data *sio_data = dev_get_platdata(dev); 1397 struct w83627hf_data *data; 1398 struct resource *res; 1399 int err, i; 1400 1401 static const char *names[] = { 1402 "w83627hf", 1403 "w83627thf", 1404 "w83697hf", 1405 "w83637hf", 1406 "w83687thf", 1407 }; 1408 1409 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1410 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { 1411 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1412 (unsigned long)res->start, 1413 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1414 return -EBUSY; 1415 } 1416 1417 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL); 1418 if (!data) 1419 return -ENOMEM; 1420 1421 data->addr = res->start; 1422 data->type = sio_data->type; 1423 data->name = names[sio_data->type]; 1424 mutex_init(&data->lock); 1425 mutex_init(&data->update_lock); 1426 platform_set_drvdata(pdev, data); 1427 1428 /* Initialize the chip */ 1429 w83627hf_init_device(pdev); 1430 1431 /* A few vars need to be filled upon startup */ 1432 for (i = 0; i <= 2; i++) 1433 data->fan_min[i] = w83627hf_read_value( 1434 data, W83627HF_REG_FAN_MIN(i)); 1435 w83627hf_update_fan_div(data); 1436 1437 /* Register common device attributes */ 1438 err = sysfs_create_group(&dev->kobj, &w83627hf_group); 1439 if (err) 1440 return err; 1441 1442 /* Register chip-specific device attributes */ 1443 if (data->type == w83627hf || data->type == w83697hf) 1444 if ((err = device_create_file(dev, 1445 &sensor_dev_attr_in5_input.dev_attr)) 1446 || (err = device_create_file(dev, 1447 &sensor_dev_attr_in5_min.dev_attr)) 1448 || (err = device_create_file(dev, 1449 &sensor_dev_attr_in5_max.dev_attr)) 1450 || (err = device_create_file(dev, 1451 &sensor_dev_attr_in5_alarm.dev_attr)) 1452 || (err = device_create_file(dev, 1453 &sensor_dev_attr_in5_beep.dev_attr)) 1454 || (err = device_create_file(dev, 1455 &sensor_dev_attr_in6_input.dev_attr)) 1456 || (err = device_create_file(dev, 1457 &sensor_dev_attr_in6_min.dev_attr)) 1458 || (err = device_create_file(dev, 1459 &sensor_dev_attr_in6_max.dev_attr)) 1460 || (err = device_create_file(dev, 1461 &sensor_dev_attr_in6_alarm.dev_attr)) 1462 || (err = device_create_file(dev, 1463 &sensor_dev_attr_in6_beep.dev_attr)) 1464 || (err = device_create_file(dev, 1465 &sensor_dev_attr_pwm1_freq.dev_attr)) 1466 || (err = device_create_file(dev, 1467 &sensor_dev_attr_pwm2_freq.dev_attr))) 1468 goto error; 1469 1470 if (data->type != w83697hf) 1471 if ((err = device_create_file(dev, 1472 &sensor_dev_attr_in1_input.dev_attr)) 1473 || (err = device_create_file(dev, 1474 &sensor_dev_attr_in1_min.dev_attr)) 1475 || (err = device_create_file(dev, 1476 &sensor_dev_attr_in1_max.dev_attr)) 1477 || (err = device_create_file(dev, 1478 &sensor_dev_attr_in1_alarm.dev_attr)) 1479 || (err = device_create_file(dev, 1480 &sensor_dev_attr_in1_beep.dev_attr)) 1481 || (err = device_create_file(dev, 1482 &sensor_dev_attr_fan3_input.dev_attr)) 1483 || (err = device_create_file(dev, 1484 &sensor_dev_attr_fan3_min.dev_attr)) 1485 || (err = device_create_file(dev, 1486 &sensor_dev_attr_fan3_div.dev_attr)) 1487 || (err = device_create_file(dev, 1488 &sensor_dev_attr_fan3_alarm.dev_attr)) 1489 || (err = device_create_file(dev, 1490 &sensor_dev_attr_fan3_beep.dev_attr)) 1491 || (err = device_create_file(dev, 1492 &sensor_dev_attr_temp3_input.dev_attr)) 1493 || (err = device_create_file(dev, 1494 &sensor_dev_attr_temp3_max.dev_attr)) 1495 || (err = device_create_file(dev, 1496 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1497 || (err = device_create_file(dev, 1498 &sensor_dev_attr_temp3_alarm.dev_attr)) 1499 || (err = device_create_file(dev, 1500 &sensor_dev_attr_temp3_beep.dev_attr)) 1501 || (err = device_create_file(dev, 1502 &sensor_dev_attr_temp3_type.dev_attr))) 1503 goto error; 1504 1505 if (data->type != w83697hf && data->vid != 0xff) { 1506 /* Convert VID to voltage based on VRM */ 1507 data->vrm = vid_which_vrm(); 1508 1509 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1510 || (err = device_create_file(dev, &dev_attr_vrm))) 1511 goto error; 1512 } 1513 1514 if (data->type == w83627thf || data->type == w83637hf 1515 || data->type == w83687thf) { 1516 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr); 1517 if (err) 1518 goto error; 1519 } 1520 1521 if (data->type == w83637hf || data->type == w83687thf) 1522 if ((err = device_create_file(dev, 1523 &sensor_dev_attr_pwm1_freq.dev_attr)) 1524 || (err = device_create_file(dev, 1525 &sensor_dev_attr_pwm2_freq.dev_attr)) 1526 || (err = device_create_file(dev, 1527 &sensor_dev_attr_pwm3_freq.dev_attr))) 1528 goto error; 1529 1530 if (data->type != w83627hf) 1531 if ((err = device_create_file(dev, 1532 &sensor_dev_attr_pwm1_enable.dev_attr)) 1533 || (err = device_create_file(dev, 1534 &sensor_dev_attr_pwm2_enable.dev_attr))) 1535 goto error; 1536 1537 if (data->type == w83627thf || data->type == w83637hf 1538 || data->type == w83687thf) { 1539 err = device_create_file(dev, 1540 &sensor_dev_attr_pwm3_enable.dev_attr); 1541 if (err) 1542 goto error; 1543 } 1544 1545 data->hwmon_dev = hwmon_device_register(dev); 1546 if (IS_ERR(data->hwmon_dev)) { 1547 err = PTR_ERR(data->hwmon_dev); 1548 goto error; 1549 } 1550 1551 return 0; 1552 1553 error: 1554 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1555 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1556 return err; 1557} 1558 1559static int w83627hf_remove(struct platform_device *pdev) 1560{ 1561 struct w83627hf_data *data = platform_get_drvdata(pdev); 1562 1563 hwmon_device_unregister(data->hwmon_dev); 1564 1565 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1566 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1567 1568 return 0; 1569} 1570 1571/* Registers 0x50-0x5f are banked */ 1572static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1573{ 1574 if ((reg & 0x00f0) == 0x50) { 1575 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1576 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1577 } 1578} 1579 1580/* Not strictly necessary, but play it safe for now */ 1581static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1582{ 1583 if (reg & 0xff00) { 1584 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1585 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1586 } 1587} 1588 1589static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1590{ 1591 int res, word_sized; 1592 1593 mutex_lock(&data->lock); 1594 word_sized = (((reg & 0xff00) == 0x100) 1595 || ((reg & 0xff00) == 0x200)) 1596 && (((reg & 0x00ff) == 0x50) 1597 || ((reg & 0x00ff) == 0x53) 1598 || ((reg & 0x00ff) == 0x55)); 1599 w83627hf_set_bank(data, reg); 1600 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1601 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1602 if (word_sized) { 1603 outb_p((reg & 0xff) + 1, 1604 data->addr + W83781D_ADDR_REG_OFFSET); 1605 res = 1606 (res << 8) + inb_p(data->addr + 1607 W83781D_DATA_REG_OFFSET); 1608 } 1609 w83627hf_reset_bank(data, reg); 1610 mutex_unlock(&data->lock); 1611 return res; 1612} 1613 1614static int w83627thf_read_gpio5(struct platform_device *pdev) 1615{ 1616 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 1617 int res = 0xff, sel; 1618 1619 if (superio_enter(sio_data)) { 1620 /* 1621 * Some other driver reserved the address space for itself. 1622 * We don't want to fail driver instantiation because of that, 1623 * so display a warning and keep going. 1624 */ 1625 dev_warn(&pdev->dev, 1626 "Can not read VID data: Failed to enable SuperIO access\n"); 1627 return res; 1628 } 1629 1630 superio_select(sio_data, W83627HF_LD_GPIO5); 1631 1632 res = 0xff; 1633 1634 /* Make sure these GPIO pins are enabled */ 1635 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 1636 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1637 goto exit; 1638 } 1639 1640 /* 1641 * Make sure the pins are configured for input 1642 * There must be at least five (VRM 9), and possibly 6 (VRM 10) 1643 */ 1644 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 1645 if ((sel & 0x1f) != 0x1f) { 1646 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1647 "function\n"); 1648 goto exit; 1649 } 1650 1651 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1652 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 1653 1654exit: 1655 superio_exit(sio_data); 1656 return res; 1657} 1658 1659static int w83687thf_read_vid(struct platform_device *pdev) 1660{ 1661 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 1662 int res = 0xff; 1663 1664 if (superio_enter(sio_data)) { 1665 /* 1666 * Some other driver reserved the address space for itself. 1667 * We don't want to fail driver instantiation because of that, 1668 * so display a warning and keep going. 1669 */ 1670 dev_warn(&pdev->dev, 1671 "Can not read VID data: Failed to enable SuperIO access\n"); 1672 return res; 1673 } 1674 1675 superio_select(sio_data, W83627HF_LD_HWM); 1676 1677 /* Make sure these GPIO pins are enabled */ 1678 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 1679 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1680 goto exit; 1681 } 1682 1683 /* Make sure the pins are configured for input */ 1684 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 1685 dev_dbg(&pdev->dev, "VID configured as output, " 1686 "no VID function\n"); 1687 goto exit; 1688 } 1689 1690 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 1691 1692exit: 1693 superio_exit(sio_data); 1694 return res; 1695} 1696 1697static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1698{ 1699 int word_sized; 1700 1701 mutex_lock(&data->lock); 1702 word_sized = (((reg & 0xff00) == 0x100) 1703 || ((reg & 0xff00) == 0x200)) 1704 && (((reg & 0x00ff) == 0x53) 1705 || ((reg & 0x00ff) == 0x55)); 1706 w83627hf_set_bank(data, reg); 1707 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1708 if (word_sized) { 1709 outb_p(value >> 8, 1710 data->addr + W83781D_DATA_REG_OFFSET); 1711 outb_p((reg & 0xff) + 1, 1712 data->addr + W83781D_ADDR_REG_OFFSET); 1713 } 1714 outb_p(value & 0xff, 1715 data->addr + W83781D_DATA_REG_OFFSET); 1716 w83627hf_reset_bank(data, reg); 1717 mutex_unlock(&data->lock); 1718 return 0; 1719} 1720 1721static void w83627hf_init_device(struct platform_device *pdev) 1722{ 1723 struct w83627hf_data *data = platform_get_drvdata(pdev); 1724 int i; 1725 enum chips type = data->type; 1726 u8 tmp; 1727 1728 /* Minimize conflicts with other winbond i2c-only clients... */ 1729 /* disable i2c subclients... how to disable main i2c client?? */ 1730 /* force i2c address to relatively uncommon address */ 1731 if (type == w83627hf) { 1732 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1733 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1734 } 1735 1736 /* Read VID only once */ 1737 if (type == w83627hf || type == w83637hf) { 1738 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1739 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1740 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1741 } else if (type == w83627thf) { 1742 data->vid = w83627thf_read_gpio5(pdev); 1743 } else if (type == w83687thf) { 1744 data->vid = w83687thf_read_vid(pdev); 1745 } 1746 1747 /* Read VRM & OVT Config only once */ 1748 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1749 data->vrm_ovt = 1750 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1751 } 1752 1753 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1754 for (i = 1; i <= 3; i++) { 1755 if (!(tmp & BIT_SCFG1[i - 1])) { 1756 data->sens[i - 1] = 4; 1757 } else { 1758 if (w83627hf_read_value 1759 (data, 1760 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1761 data->sens[i - 1] = 1; 1762 else 1763 data->sens[i - 1] = 2; 1764 } 1765 if ((type == w83697hf) && (i == 2)) 1766 break; 1767 } 1768 1769 if(init) { 1770 /* Enable temp2 */ 1771 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1772 if (tmp & 0x01) { 1773 dev_warn(&pdev->dev, "Enabling temp2, readings " 1774 "might not make sense\n"); 1775 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1776 tmp & 0xfe); 1777 } 1778 1779 /* Enable temp3 */ 1780 if (type != w83697hf) { 1781 tmp = w83627hf_read_value(data, 1782 W83627HF_REG_TEMP3_CONFIG); 1783 if (tmp & 0x01) { 1784 dev_warn(&pdev->dev, "Enabling temp3, " 1785 "readings might not make sense\n"); 1786 w83627hf_write_value(data, 1787 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1788 } 1789 } 1790 } 1791 1792 /* Start monitoring */ 1793 w83627hf_write_value(data, W83781D_REG_CONFIG, 1794 (w83627hf_read_value(data, 1795 W83781D_REG_CONFIG) & 0xf7) 1796 | 0x01); 1797 1798 /* Enable VBAT monitoring if needed */ 1799 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1800 if (!(tmp & 0x01)) 1801 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1802} 1803 1804static void w83627hf_update_fan_div(struct w83627hf_data *data) 1805{ 1806 int reg; 1807 1808 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1809 data->fan_div[0] = (reg >> 4) & 0x03; 1810 data->fan_div[1] = (reg >> 6) & 0x03; 1811 if (data->type != w83697hf) { 1812 data->fan_div[2] = (w83627hf_read_value(data, 1813 W83781D_REG_PIN) >> 6) & 0x03; 1814 } 1815 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1816 data->fan_div[0] |= (reg >> 3) & 0x04; 1817 data->fan_div[1] |= (reg >> 4) & 0x04; 1818 if (data->type != w83697hf) 1819 data->fan_div[2] |= (reg >> 5) & 0x04; 1820} 1821 1822static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1823{ 1824 struct w83627hf_data *data = dev_get_drvdata(dev); 1825 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1826 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1827 1828 mutex_lock(&data->update_lock); 1829 1830 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1831 || !data->valid) { 1832 for (i = 0; i <= 8; i++) { 1833 /* skip missing sensors */ 1834 if (((data->type == w83697hf) && (i == 1)) || 1835 ((data->type != w83627hf && data->type != w83697hf) 1836 && (i == 5 || i == 6))) 1837 continue; 1838 data->in[i] = 1839 w83627hf_read_value(data, W83781D_REG_IN(i)); 1840 data->in_min[i] = 1841 w83627hf_read_value(data, 1842 W83781D_REG_IN_MIN(i)); 1843 data->in_max[i] = 1844 w83627hf_read_value(data, 1845 W83781D_REG_IN_MAX(i)); 1846 } 1847 for (i = 0; i <= 2; i++) { 1848 data->fan[i] = 1849 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1850 data->fan_min[i] = 1851 w83627hf_read_value(data, 1852 W83627HF_REG_FAN_MIN(i)); 1853 } 1854 for (i = 0; i <= 2; i++) { 1855 u8 tmp = w83627hf_read_value(data, 1856 W836X7HF_REG_PWM(data->type, i)); 1857 /* bits 0-3 are reserved in 627THF */ 1858 if (data->type == w83627thf) 1859 tmp &= 0xf0; 1860 data->pwm[i] = tmp; 1861 if (i == 1 && 1862 (data->type == w83627hf || data->type == w83697hf)) 1863 break; 1864 } 1865 if (data->type == w83627hf) { 1866 u8 tmp = w83627hf_read_value(data, 1867 W83627HF_REG_PWM_FREQ); 1868 data->pwm_freq[0] = tmp & 0x07; 1869 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1870 } else if (data->type != w83627thf) { 1871 for (i = 1; i <= 3; i++) { 1872 data->pwm_freq[i - 1] = 1873 w83627hf_read_value(data, 1874 W83637HF_REG_PWM_FREQ[i - 1]); 1875 if (i == 2 && (data->type == w83697hf)) 1876 break; 1877 } 1878 } 1879 if (data->type != w83627hf) { 1880 for (i = 0; i < num_pwms; i++) { 1881 u8 tmp = w83627hf_read_value(data, 1882 W83627THF_REG_PWM_ENABLE[i]); 1883 data->pwm_enable[i] = 1884 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1885 & 0x03) + 1; 1886 } 1887 } 1888 for (i = 0; i < num_temps; i++) { 1889 data->temp[i] = w83627hf_read_value( 1890 data, w83627hf_reg_temp[i]); 1891 data->temp_max[i] = w83627hf_read_value( 1892 data, w83627hf_reg_temp_over[i]); 1893 data->temp_max_hyst[i] = w83627hf_read_value( 1894 data, w83627hf_reg_temp_hyst[i]); 1895 } 1896 1897 w83627hf_update_fan_div(data); 1898 1899 data->alarms = 1900 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1901 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1902 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1903 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1904 data->beep_mask = (i << 8) | 1905 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1906 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1907 data->last_updated = jiffies; 1908 data->valid = 1; 1909 } 1910 1911 mutex_unlock(&data->update_lock); 1912 1913 return data; 1914} 1915 1916static int __init w83627hf_device_add(unsigned short address, 1917 const struct w83627hf_sio_data *sio_data) 1918{ 1919 struct resource res = { 1920 .start = address + WINB_REGION_OFFSET, 1921 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1922 .name = DRVNAME, 1923 .flags = IORESOURCE_IO, 1924 }; 1925 int err; 1926 1927 err = acpi_check_resource_conflict(&res); 1928 if (err) 1929 goto exit; 1930 1931 pdev = platform_device_alloc(DRVNAME, address); 1932 if (!pdev) { 1933 err = -ENOMEM; 1934 pr_err("Device allocation failed\n"); 1935 goto exit; 1936 } 1937 1938 err = platform_device_add_resources(pdev, &res, 1); 1939 if (err) { 1940 pr_err("Device resource addition failed (%d)\n", err); 1941 goto exit_device_put; 1942 } 1943 1944 err = platform_device_add_data(pdev, sio_data, 1945 sizeof(struct w83627hf_sio_data)); 1946 if (err) { 1947 pr_err("Platform data allocation failed\n"); 1948 goto exit_device_put; 1949 } 1950 1951 err = platform_device_add(pdev); 1952 if (err) { 1953 pr_err("Device addition failed (%d)\n", err); 1954 goto exit_device_put; 1955 } 1956 1957 return 0; 1958 1959exit_device_put: 1960 platform_device_put(pdev); 1961exit: 1962 return err; 1963} 1964 1965static int __init sensors_w83627hf_init(void) 1966{ 1967 int err; 1968 unsigned short address; 1969 struct w83627hf_sio_data sio_data; 1970 1971 if (w83627hf_find(0x2e, &address, &sio_data) 1972 && w83627hf_find(0x4e, &address, &sio_data)) 1973 return -ENODEV; 1974 1975 err = platform_driver_register(&w83627hf_driver); 1976 if (err) 1977 goto exit; 1978 1979 /* Sets global pdev as a side effect */ 1980 err = w83627hf_device_add(address, &sio_data); 1981 if (err) 1982 goto exit_driver; 1983 1984 return 0; 1985 1986exit_driver: 1987 platform_driver_unregister(&w83627hf_driver); 1988exit: 1989 return err; 1990} 1991 1992static void __exit sensors_w83627hf_exit(void) 1993{ 1994 platform_device_unregister(pdev); 1995 platform_driver_unregister(&w83627hf_driver); 1996} 1997 1998MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1999 "Philip Edelbrock <phil@netroedge.com>, " 2000 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 2001MODULE_DESCRIPTION("W83627HF driver"); 2002MODULE_LICENSE("GPL"); 2003 2004module_init(sensors_w83627hf_init); 2005module_exit(sensors_w83627hf_exit); 2006