Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/drivers/hwmon/w83627hf.c
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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 - 1012 Jean Delvare <khali@linux-fr.org> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25 /* 26 * Supports following chips: 27 * 28 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 29 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 30 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 31 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 32 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 33 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 34 * 35 * For other winbond chips, and for i2c support in the above chips, 36 * use w83781d.c. 37 * 38 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not 39 * supported yet. 40 */ 41 42 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 43 44 #include <linux/module.h> 45 #include <linux/init.h> 46 #include <linux/slab.h> 47 #include <linux/jiffies.h> 48 #include <linux/platform_device.h> 49 #include <linux/hwmon.h> 50 #include <linux/hwmon-sysfs.h> 51 #include <linux/hwmon-vid.h> 52 #include <linux/err.h> 53 #include <linux/mutex.h> 54 #include <linux/ioport.h> 55 #include <linux/acpi.h> 56 #include <linux/io.h> 57 #include "lm75.h" 58 59 static struct platform_device *pdev; 60 61 #define DRVNAME "w83627hf" 62 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 63 64 struct w83627hf_sio_data { 65 enum chips type; 66 int sioaddr; 67 }; 68 69 static u8 force_i2c = 0x1f; 70 module_param(force_i2c, byte, 0); 71 MODULE_PARM_DESC(force_i2c, 72 "Initialize the i2c address of the sensors"); 73 74 static bool init = 1; 75 module_param(init, bool, 0); 76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 77 78 static unsigned short force_id; 79 module_param(force_id, ushort, 0); 80 MODULE_PARM_DESC(force_id, "Override the detected device ID"); 81 82 /* modified from kernel/include/traps.c */ 83 #define DEV 0x07 /* Register: Logical device select */ 84 85 /* logical device numbers for superio_select (below) */ 86 #define W83627HF_LD_FDC 0x00 87 #define W83627HF_LD_PRT 0x01 88 #define W83627HF_LD_UART1 0x02 89 #define W83627HF_LD_UART2 0x03 90 #define W83627HF_LD_KBC 0x05 91 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 92 #define W83627HF_LD_GAME 0x07 93 #define W83627HF_LD_MIDI 0x07 94 #define W83627HF_LD_GPIO1 0x07 95 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 96 #define W83627HF_LD_GPIO2 0x08 97 #define W83627HF_LD_GPIO3 0x09 98 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 99 #define W83627HF_LD_ACPI 0x0a 100 #define W83627HF_LD_HWM 0x0b 101 102 #define DEVID 0x20 /* Register: Device ID */ 103 104 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 105 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 106 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 107 108 #define W83687THF_VID_EN 0x29 /* w83687thf only */ 109 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 110 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 111 112 static inline void 113 superio_outb(struct w83627hf_sio_data *sio, int reg, int val) 114 { 115 outb(reg, sio->sioaddr); 116 outb(val, sio->sioaddr + 1); 117 } 118 119 static inline int 120 superio_inb(struct w83627hf_sio_data *sio, int reg) 121 { 122 outb(reg, sio->sioaddr); 123 return inb(sio->sioaddr + 1); 124 } 125 126 static inline void 127 superio_select(struct w83627hf_sio_data *sio, int ld) 128 { 129 outb(DEV, sio->sioaddr); 130 outb(ld, sio->sioaddr + 1); 131 } 132 133 static inline void 134 superio_enter(struct w83627hf_sio_data *sio) 135 { 136 outb(0x87, sio->sioaddr); 137 outb(0x87, sio->sioaddr); 138 } 139 140 static inline void 141 superio_exit(struct w83627hf_sio_data *sio) 142 { 143 outb(0xAA, sio->sioaddr); 144 } 145 146 #define W627_DEVID 0x52 147 #define W627THF_DEVID 0x82 148 #define W697_DEVID 0x60 149 #define W637_DEVID 0x70 150 #define W687THF_DEVID 0x85 151 #define WINB_ACT_REG 0x30 152 #define WINB_BASE_REG 0x60 153 /* Constants specified below */ 154 155 /* Alignment of the base address */ 156 #define WINB_ALIGNMENT ~7 157 158 /* Offset & size of I/O region we are interested in */ 159 #define WINB_REGION_OFFSET 5 160 #define WINB_REGION_SIZE 2 161 162 /* Where are the sensors address/data registers relative to the region offset */ 163 #define W83781D_ADDR_REG_OFFSET 0 164 #define W83781D_DATA_REG_OFFSET 1 165 166 /* The W83781D registers */ 167 /* The W83782D registers for nr=7,8 are in bank 5 */ 168 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 169 (0x554 + (((nr) - 7) * 2))) 170 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 171 (0x555 + (((nr) - 7) * 2))) 172 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 173 (0x550 + (nr) - 7)) 174 175 /* nr:0-2 for fans:1-3 */ 176 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 177 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 178 179 #define W83627HF_REG_TEMP2_CONFIG 0x152 180 #define W83627HF_REG_TEMP3_CONFIG 0x252 181 /* these are zero-based, unlike config constants above */ 182 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 183 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 184 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 185 186 #define W83781D_REG_BANK 0x4E 187 188 #define W83781D_REG_CONFIG 0x40 189 #define W83781D_REG_ALARM1 0x459 190 #define W83781D_REG_ALARM2 0x45A 191 #define W83781D_REG_ALARM3 0x45B 192 193 #define W83781D_REG_BEEP_CONFIG 0x4D 194 #define W83781D_REG_BEEP_INTS1 0x56 195 #define W83781D_REG_BEEP_INTS2 0x57 196 #define W83781D_REG_BEEP_INTS3 0x453 197 198 #define W83781D_REG_VID_FANDIV 0x47 199 200 #define W83781D_REG_CHIPID 0x49 201 #define W83781D_REG_WCHIPID 0x58 202 #define W83781D_REG_CHIPMAN 0x4F 203 #define W83781D_REG_PIN 0x4B 204 205 #define W83781D_REG_VBAT 0x5D 206 207 #define W83627HF_REG_PWM1 0x5A 208 #define W83627HF_REG_PWM2 0x5B 209 210 static const u8 W83627THF_REG_PWM_ENABLE[] = { 211 0x04, /* FAN 1 mode */ 212 0x04, /* FAN 2 mode */ 213 0x12, /* FAN AUX mode */ 214 }; 215 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 216 217 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 218 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 219 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 220 221 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 222 223 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 224 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 225 W83627THF_REG_PWM3 }; 226 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 227 regpwm_627hf[nr] : regpwm[nr]) 228 229 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 230 231 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 232 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 233 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 234 235 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 236 W83637HF_REG_PWM_FREQ2, 237 W83637HF_REG_PWM_FREQ3 }; 238 239 #define W83627HF_BASE_PWM_FREQ 46870 240 241 #define W83781D_REG_I2C_ADDR 0x48 242 #define W83781D_REG_I2C_SUBADDR 0x4A 243 244 /* Sensor selection */ 245 #define W83781D_REG_SCFG1 0x5D 246 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 247 #define W83781D_REG_SCFG2 0x59 248 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 249 #define W83781D_DEFAULT_BETA 3435 250 251 /* 252 * Conversions. Limit checking is only done on the TO_REG 253 * variants. Note that you should be a bit careful with which arguments 254 * these macros are called: arguments may be evaluated more than once. 255 * Fixing this is just not worth it. 256 */ 257 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 258 #define IN_FROM_REG(val) ((val) * 16) 259 260 static inline u8 FAN_TO_REG(long rpm, int div) 261 { 262 if (rpm == 0) 263 return 255; 264 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 265 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 266 254); 267 } 268 269 #define TEMP_MIN (-128000) 270 #define TEMP_MAX ( 127000) 271 272 /* 273 * TEMP: 0.001C/bit (-128C to +127C) 274 * REG: 1C/bit, two's complement 275 */ 276 static u8 TEMP_TO_REG(long temp) 277 { 278 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 279 ntemp += (ntemp<0 ? -500 : 500); 280 return (u8)(ntemp / 1000); 281 } 282 283 static int TEMP_FROM_REG(u8 reg) 284 { 285 return (s8)reg * 1000; 286 } 287 288 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 289 290 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 291 292 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 293 { 294 unsigned long freq; 295 freq = W83627HF_BASE_PWM_FREQ >> reg; 296 return freq; 297 } 298 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 299 { 300 u8 i; 301 /* 302 * Only 5 dividers (1 2 4 8 16) 303 * Search for the nearest available frequency 304 */ 305 for (i = 0; i < 4; i++) { 306 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 307 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 308 break; 309 } 310 return i; 311 } 312 313 static inline unsigned long pwm_freq_from_reg(u8 reg) 314 { 315 /* Clock bit 8 -> 180 kHz or 24 MHz */ 316 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 317 318 reg &= 0x7f; 319 /* This should not happen but anyway... */ 320 if (reg == 0) 321 reg++; 322 return clock / (reg << 8); 323 } 324 static inline u8 pwm_freq_to_reg(unsigned long val) 325 { 326 /* Minimum divider value is 0x01 and maximum is 0x7F */ 327 if (val >= 93750) /* The highest we can do */ 328 return 0x01; 329 if (val >= 720) /* Use 24 MHz clock */ 330 return 24000000UL / (val << 8); 331 if (val < 6) /* The lowest we can do */ 332 return 0xFF; 333 else /* Use 180 kHz clock */ 334 return 0x80 | (180000UL / (val << 8)); 335 } 336 337 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) 338 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) 339 340 #define DIV_FROM_REG(val) (1 << (val)) 341 342 static inline u8 DIV_TO_REG(long val) 343 { 344 int i; 345 val = SENSORS_LIMIT(val, 1, 128) >> 1; 346 for (i = 0; i < 7; i++) { 347 if (val == 0) 348 break; 349 val >>= 1; 350 } 351 return (u8)i; 352 } 353 354 /* 355 * For each registered chip, we need to keep some data in memory. 356 * The structure is dynamically allocated. 357 */ 358 struct w83627hf_data { 359 unsigned short addr; 360 const char *name; 361 struct device *hwmon_dev; 362 struct mutex lock; 363 enum chips type; 364 365 struct mutex update_lock; 366 char valid; /* !=0 if following fields are valid */ 367 unsigned long last_updated; /* In jiffies */ 368 369 u8 in[9]; /* Register value */ 370 u8 in_max[9]; /* Register value */ 371 u8 in_min[9]; /* Register value */ 372 u8 fan[3]; /* Register value */ 373 u8 fan_min[3]; /* Register value */ 374 u16 temp[3]; /* Register value */ 375 u16 temp_max[3]; /* Register value */ 376 u16 temp_max_hyst[3]; /* Register value */ 377 u8 fan_div[3]; /* Register encoding, shifted right */ 378 u8 vid; /* Register encoding, combined */ 379 u32 alarms; /* Register encoding, combined */ 380 u32 beep_mask; /* Register encoding, combined */ 381 u8 pwm[3]; /* Register value */ 382 u8 pwm_enable[3]; /* 1 = manual 383 * 2 = thermal cruise (also called SmartFan I) 384 * 3 = fan speed cruise 385 */ 386 u8 pwm_freq[3]; /* Register value */ 387 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 388 * 4 = thermistor 389 */ 390 u8 vrm; 391 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 392 393 #ifdef CONFIG_PM 394 /* Remember extra register values over suspend/resume */ 395 u8 scfg1; 396 u8 scfg2; 397 #endif 398 }; 399 400 401 static int w83627hf_probe(struct platform_device *pdev); 402 static int w83627hf_remove(struct platform_device *pdev); 403 404 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 405 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 406 static void w83627hf_update_fan_div(struct w83627hf_data *data); 407 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 408 static void w83627hf_init_device(struct platform_device *pdev); 409 410 #ifdef CONFIG_PM 411 static int w83627hf_suspend(struct device *dev) 412 { 413 struct w83627hf_data *data = w83627hf_update_device(dev); 414 415 mutex_lock(&data->update_lock); 416 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); 417 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); 418 mutex_unlock(&data->update_lock); 419 420 return 0; 421 } 422 423 static int w83627hf_resume(struct device *dev) 424 { 425 struct w83627hf_data *data = dev_get_drvdata(dev); 426 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 427 428 /* Restore limits */ 429 mutex_lock(&data->update_lock); 430 for (i = 0; i <= 8; i++) { 431 /* skip missing sensors */ 432 if (((data->type == w83697hf) && (i == 1)) || 433 ((data->type != w83627hf && data->type != w83697hf) 434 && (i == 5 || i == 6))) 435 continue; 436 w83627hf_write_value(data, W83781D_REG_IN_MAX(i), 437 data->in_max[i]); 438 w83627hf_write_value(data, W83781D_REG_IN_MIN(i), 439 data->in_min[i]); 440 } 441 for (i = 0; i <= 2; i++) 442 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), 443 data->fan_min[i]); 444 for (i = 0; i < num_temps; i++) { 445 w83627hf_write_value(data, w83627hf_reg_temp_over[i], 446 data->temp_max[i]); 447 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i], 448 data->temp_max_hyst[i]); 449 } 450 451 /* Fixup BIOS bugs */ 452 if (data->type == w83627thf || data->type == w83637hf || 453 data->type == w83687thf) 454 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, 455 data->vrm_ovt); 456 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1); 457 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2); 458 459 /* Force re-reading all values */ 460 data->valid = 0; 461 mutex_unlock(&data->update_lock); 462 463 return 0; 464 } 465 466 static const struct dev_pm_ops w83627hf_dev_pm_ops = { 467 .suspend = w83627hf_suspend, 468 .resume = w83627hf_resume, 469 }; 470 471 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) 472 #else 473 #define W83627HF_DEV_PM_OPS NULL 474 #endif /* CONFIG_PM */ 475 476 static struct platform_driver w83627hf_driver = { 477 .driver = { 478 .owner = THIS_MODULE, 479 .name = DRVNAME, 480 .pm = W83627HF_DEV_PM_OPS, 481 }, 482 .probe = w83627hf_probe, 483 .remove = w83627hf_remove, 484 }; 485 486 static ssize_t 487 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) 488 { 489 int nr = to_sensor_dev_attr(devattr)->index; 490 struct w83627hf_data *data = w83627hf_update_device(dev); 491 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 492 } 493 static ssize_t 494 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) 495 { 496 int nr = to_sensor_dev_attr(devattr)->index; 497 struct w83627hf_data *data = w83627hf_update_device(dev); 498 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 499 } 500 static ssize_t 501 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) 502 { 503 int nr = to_sensor_dev_attr(devattr)->index; 504 struct w83627hf_data *data = w83627hf_update_device(dev); 505 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 506 } 507 static ssize_t 508 store_in_min(struct device *dev, struct device_attribute *devattr, 509 const char *buf, size_t count) 510 { 511 int nr = to_sensor_dev_attr(devattr)->index; 512 struct w83627hf_data *data = dev_get_drvdata(dev); 513 long val; 514 int err; 515 516 err = kstrtol(buf, 10, &val); 517 if (err) 518 return err; 519 520 mutex_lock(&data->update_lock); 521 data->in_min[nr] = IN_TO_REG(val); 522 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 523 mutex_unlock(&data->update_lock); 524 return count; 525 } 526 static ssize_t 527 store_in_max(struct device *dev, struct device_attribute *devattr, 528 const char *buf, size_t count) 529 { 530 int nr = to_sensor_dev_attr(devattr)->index; 531 struct w83627hf_data *data = dev_get_drvdata(dev); 532 long val; 533 int err; 534 535 err = kstrtol(buf, 10, &val); 536 if (err) 537 return err; 538 539 mutex_lock(&data->update_lock); 540 data->in_max[nr] = IN_TO_REG(val); 541 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 542 mutex_unlock(&data->update_lock); 543 return count; 544 } 545 #define sysfs_vin_decl(offset) \ 546 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 547 show_in_input, NULL, offset); \ 548 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ 549 show_in_min, store_in_min, offset); \ 550 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ 551 show_in_max, store_in_max, offset); 552 553 sysfs_vin_decl(1); 554 sysfs_vin_decl(2); 555 sysfs_vin_decl(3); 556 sysfs_vin_decl(4); 557 sysfs_vin_decl(5); 558 sysfs_vin_decl(6); 559 sysfs_vin_decl(7); 560 sysfs_vin_decl(8); 561 562 /* use a different set of functions for in0 */ 563 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 564 { 565 long in0; 566 567 if ((data->vrm_ovt & 0x01) && 568 (w83627thf == data->type || w83637hf == data->type 569 || w83687thf == data->type)) 570 571 /* use VRM9 calculation */ 572 in0 = (long)((reg * 488 + 70000 + 50) / 100); 573 else 574 /* use VRM8 (standard) calculation */ 575 in0 = (long)IN_FROM_REG(reg); 576 577 return sprintf(buf,"%ld\n", in0); 578 } 579 580 static ssize_t show_regs_in_0(struct device *dev, 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 } 585 586 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 587 { 588 struct w83627hf_data *data = w83627hf_update_device(dev); 589 return show_in_0(data, buf, data->in_min[0]); 590 } 591 592 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 593 { 594 struct w83627hf_data *data = w83627hf_update_device(dev); 595 return show_in_0(data, buf, data->in_max[0]); 596 } 597 598 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 599 const char *buf, size_t count) 600 { 601 struct w83627hf_data *data = dev_get_drvdata(dev); 602 unsigned long val; 603 int err; 604 605 err = kstrtoul(buf, 10, &val); 606 if (err) 607 return err; 608 609 mutex_lock(&data->update_lock); 610 611 if ((data->vrm_ovt & 0x01) && 612 (w83627thf == data->type || w83637hf == data->type 613 || w83687thf == data->type)) 614 615 /* use VRM9 calculation */ 616 data->in_min[0] = 617 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 618 255); 619 else 620 /* use VRM8 (standard) calculation */ 621 data->in_min[0] = IN_TO_REG(val); 622 623 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 624 mutex_unlock(&data->update_lock); 625 return count; 626 } 627 628 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 629 const char *buf, size_t count) 630 { 631 struct w83627hf_data *data = dev_get_drvdata(dev); 632 unsigned long val; 633 int err; 634 635 err = kstrtoul(buf, 10, &val); 636 if (err) 637 return err; 638 639 mutex_lock(&data->update_lock); 640 641 if ((data->vrm_ovt & 0x01) && 642 (w83627thf == data->type || w83637hf == data->type 643 || w83687thf == data->type)) 644 645 /* use VRM9 calculation */ 646 data->in_max[0] = 647 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 648 255); 649 else 650 /* use VRM8 (standard) calculation */ 651 data->in_max[0] = IN_TO_REG(val); 652 653 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 654 mutex_unlock(&data->update_lock); 655 return count; 656 } 657 658 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 659 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 660 show_regs_in_min0, store_regs_in_min0); 661 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 662 show_regs_in_max0, store_regs_in_max0); 663 664 static ssize_t 665 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) 666 { 667 int nr = to_sensor_dev_attr(devattr)->index; 668 struct w83627hf_data *data = w83627hf_update_device(dev); 669 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 670 (long)DIV_FROM_REG(data->fan_div[nr]))); 671 } 672 static ssize_t 673 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) 674 { 675 int nr = to_sensor_dev_attr(devattr)->index; 676 struct w83627hf_data *data = w83627hf_update_device(dev); 677 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 678 (long)DIV_FROM_REG(data->fan_div[nr]))); 679 } 680 static ssize_t 681 store_fan_min(struct device *dev, struct device_attribute *devattr, 682 const char *buf, size_t count) 683 { 684 int nr = to_sensor_dev_attr(devattr)->index; 685 struct w83627hf_data *data = dev_get_drvdata(dev); 686 unsigned long val; 687 int err; 688 689 err = kstrtoul(buf, 10, &val); 690 if (err) 691 return err; 692 693 mutex_lock(&data->update_lock); 694 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 695 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 696 data->fan_min[nr]); 697 698 mutex_unlock(&data->update_lock); 699 return count; 700 } 701 #define sysfs_fan_decl(offset) \ 702 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 703 show_fan_input, NULL, offset - 1); \ 704 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 705 show_fan_min, store_fan_min, offset - 1); 706 707 sysfs_fan_decl(1); 708 sysfs_fan_decl(2); 709 sysfs_fan_decl(3); 710 711 static ssize_t 712 show_temp(struct device *dev, struct device_attribute *devattr, char *buf) 713 { 714 int nr = to_sensor_dev_attr(devattr)->index; 715 struct w83627hf_data *data = w83627hf_update_device(dev); 716 717 u16 tmp = data->temp[nr]; 718 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 719 : (long) TEMP_FROM_REG(tmp)); 720 } 721 722 static ssize_t 723 show_temp_max(struct device *dev, struct device_attribute *devattr, 724 char *buf) 725 { 726 int nr = to_sensor_dev_attr(devattr)->index; 727 struct w83627hf_data *data = w83627hf_update_device(dev); 728 729 u16 tmp = data->temp_max[nr]; 730 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 731 : (long) TEMP_FROM_REG(tmp)); 732 } 733 734 static ssize_t 735 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 736 char *buf) 737 { 738 int nr = to_sensor_dev_attr(devattr)->index; 739 struct w83627hf_data *data = w83627hf_update_device(dev); 740 741 u16 tmp = data->temp_max_hyst[nr]; 742 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 743 : (long) TEMP_FROM_REG(tmp)); 744 } 745 746 static ssize_t 747 store_temp_max(struct device *dev, struct device_attribute *devattr, 748 const char *buf, size_t count) 749 { 750 int nr = to_sensor_dev_attr(devattr)->index; 751 struct w83627hf_data *data = dev_get_drvdata(dev); 752 u16 tmp; 753 long val; 754 int err; 755 756 err = kstrtol(buf, 10, &val); 757 if (err) 758 return err; 759 760 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 761 mutex_lock(&data->update_lock); 762 data->temp_max[nr] = tmp; 763 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 764 mutex_unlock(&data->update_lock); 765 return count; 766 } 767 768 static ssize_t 769 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 770 const char *buf, size_t count) 771 { 772 int nr = to_sensor_dev_attr(devattr)->index; 773 struct w83627hf_data *data = dev_get_drvdata(dev); 774 u16 tmp; 775 long val; 776 int err; 777 778 err = kstrtol(buf, 10, &val); 779 if (err) 780 return err; 781 782 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 783 mutex_lock(&data->update_lock); 784 data->temp_max_hyst[nr] = tmp; 785 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 786 mutex_unlock(&data->update_lock); 787 return count; 788 } 789 790 #define sysfs_temp_decl(offset) \ 791 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 792 show_temp, NULL, offset - 1); \ 793 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ 794 show_temp_max, store_temp_max, offset - 1); \ 795 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ 796 show_temp_max_hyst, store_temp_max_hyst, offset - 1); 797 798 sysfs_temp_decl(1); 799 sysfs_temp_decl(2); 800 sysfs_temp_decl(3); 801 802 static ssize_t 803 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 804 { 805 struct w83627hf_data *data = w83627hf_update_device(dev); 806 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 807 } 808 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 809 810 static ssize_t 811 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 812 { 813 struct w83627hf_data *data = dev_get_drvdata(dev); 814 return sprintf(buf, "%ld\n", (long) data->vrm); 815 } 816 static ssize_t 817 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 818 { 819 struct w83627hf_data *data = dev_get_drvdata(dev); 820 unsigned long val; 821 int err; 822 823 err = kstrtoul(buf, 10, &val); 824 if (err) 825 return err; 826 data->vrm = val; 827 828 return count; 829 } 830 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 831 832 static ssize_t 833 show_alarms_reg(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 } 838 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 839 840 static ssize_t 841 show_alarm(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 } 847 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 848 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 849 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 850 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 851 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 852 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 853 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); 854 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); 855 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); 856 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 857 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 858 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); 859 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 860 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 861 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); 862 863 static ssize_t 864 show_beep_mask(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 } 870 871 static ssize_t 872 store_beep_mask(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 } 898 899 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, 900 show_beep_mask, store_beep_mask); 901 902 static ssize_t 903 show_beep(struct device *dev, struct device_attribute *attr, char *buf) 904 { 905 struct w83627hf_data *data = w83627hf_update_device(dev); 906 int bitnr = to_sensor_dev_attr(attr)->index; 907 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 908 } 909 910 static ssize_t 911 store_beep(struct device *dev, struct device_attribute *attr, 912 const char *buf, size_t count) 913 { 914 struct w83627hf_data *data = dev_get_drvdata(dev); 915 int bitnr = to_sensor_dev_attr(attr)->index; 916 u8 reg; 917 unsigned long bit; 918 int err; 919 920 err = kstrtoul(buf, 10, &bit); 921 if (err) 922 return err; 923 924 if (bit & ~1) 925 return -EINVAL; 926 927 mutex_lock(&data->update_lock); 928 if (bit) 929 data->beep_mask |= (1 << bitnr); 930 else 931 data->beep_mask &= ~(1 << bitnr); 932 933 if (bitnr < 8) { 934 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 935 if (bit) 936 reg |= (1 << bitnr); 937 else 938 reg &= ~(1 << bitnr); 939 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 940 } else if (bitnr < 16) { 941 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 942 if (bit) 943 reg |= (1 << (bitnr - 8)); 944 else 945 reg &= ~(1 << (bitnr - 8)); 946 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 947 } else { 948 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 949 if (bit) 950 reg |= (1 << (bitnr - 16)); 951 else 952 reg &= ~(1 << (bitnr - 16)); 953 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 954 } 955 mutex_unlock(&data->update_lock); 956 957 return count; 958 } 959 960 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, 961 show_beep, store_beep, 0); 962 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, 963 show_beep, store_beep, 1); 964 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, 965 show_beep, store_beep, 2); 966 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, 967 show_beep, store_beep, 3); 968 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, 969 show_beep, store_beep, 8); 970 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, 971 show_beep, store_beep, 9); 972 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, 973 show_beep, store_beep, 10); 974 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, 975 show_beep, store_beep, 16); 976 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, 977 show_beep, store_beep, 17); 978 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, 979 show_beep, store_beep, 6); 980 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, 981 show_beep, store_beep, 7); 982 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, 983 show_beep, store_beep, 11); 984 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, 985 show_beep, store_beep, 4); 986 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, 987 show_beep, store_beep, 5); 988 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR, 989 show_beep, store_beep, 13); 990 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, 991 show_beep, store_beep, 15); 992 993 static ssize_t 994 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) 995 { 996 int nr = to_sensor_dev_attr(devattr)->index; 997 struct w83627hf_data *data = w83627hf_update_device(dev); 998 return sprintf(buf, "%ld\n", 999 (long) DIV_FROM_REG(data->fan_div[nr])); 1000 } 1001 /* 1002 * Note: we save and restore the fan minimum here, because its value is 1003 * determined in part by the fan divisor. This follows the principle of 1004 * least surprise; the user doesn't expect the fan minimum to change just 1005 * because the divisor changed. 1006 */ 1007 static ssize_t 1008 store_fan_div(struct device *dev, struct device_attribute *devattr, 1009 const char *buf, size_t count) 1010 { 1011 int nr = to_sensor_dev_attr(devattr)->index; 1012 struct w83627hf_data *data = dev_get_drvdata(dev); 1013 unsigned long min; 1014 u8 reg; 1015 unsigned long val; 1016 int err; 1017 1018 err = kstrtoul(buf, 10, &val); 1019 if (err) 1020 return err; 1021 1022 mutex_lock(&data->update_lock); 1023 1024 /* Save fan_min */ 1025 min = FAN_FROM_REG(data->fan_min[nr], 1026 DIV_FROM_REG(data->fan_div[nr])); 1027 1028 data->fan_div[nr] = DIV_TO_REG(val); 1029 1030 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 1031 & (nr==0 ? 0xcf : 0x3f)) 1032 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 1033 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 1034 1035 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 1036 & ~(1 << (5 + nr))) 1037 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 1038 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 1039 1040 /* Restore fan_min */ 1041 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 1042 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 1043 1044 mutex_unlock(&data->update_lock); 1045 return count; 1046 } 1047 1048 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, 1049 show_fan_div, store_fan_div, 0); 1050 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, 1051 show_fan_div, store_fan_div, 1); 1052 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, 1053 show_fan_div, store_fan_div, 2); 1054 1055 static ssize_t 1056 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) 1057 { 1058 int nr = to_sensor_dev_attr(devattr)->index; 1059 struct w83627hf_data *data = w83627hf_update_device(dev); 1060 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 1061 } 1062 1063 static ssize_t 1064 store_pwm(struct device *dev, struct device_attribute *devattr, 1065 const char *buf, size_t count) 1066 { 1067 int nr = to_sensor_dev_attr(devattr)->index; 1068 struct w83627hf_data *data = dev_get_drvdata(dev); 1069 unsigned long val; 1070 int err; 1071 1072 err = kstrtoul(buf, 10, &val); 1073 if (err) 1074 return err; 1075 1076 mutex_lock(&data->update_lock); 1077 1078 if (data->type == w83627thf) { 1079 /* bits 0-3 are reserved in 627THF */ 1080 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 1081 w83627hf_write_value(data, 1082 W836X7HF_REG_PWM(data->type, nr), 1083 data->pwm[nr] | 1084 (w83627hf_read_value(data, 1085 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 1086 } else { 1087 data->pwm[nr] = PWM_TO_REG(val); 1088 w83627hf_write_value(data, 1089 W836X7HF_REG_PWM(data->type, nr), 1090 data->pwm[nr]); 1091 } 1092 1093 mutex_unlock(&data->update_lock); 1094 return count; 1095 } 1096 1097 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); 1098 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); 1099 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); 1100 1101 static ssize_t 1102 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf) 1103 { 1104 int nr = to_sensor_dev_attr(devattr)->index; 1105 struct w83627hf_data *data = w83627hf_update_device(dev); 1106 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 1107 } 1108 1109 static ssize_t 1110 store_pwm_enable(struct device *dev, struct device_attribute *devattr, 1111 const char *buf, size_t count) 1112 { 1113 int nr = to_sensor_dev_attr(devattr)->index; 1114 struct w83627hf_data *data = dev_get_drvdata(dev); 1115 u8 reg; 1116 unsigned long val; 1117 int err; 1118 1119 err = kstrtoul(buf, 10, &val); 1120 if (err) 1121 return err; 1122 1123 if (!val || val > 3) /* modes 1, 2 and 3 are supported */ 1124 return -EINVAL; 1125 mutex_lock(&data->update_lock); 1126 data->pwm_enable[nr] = val; 1127 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 1128 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 1129 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 1130 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 1131 mutex_unlock(&data->update_lock); 1132 return count; 1133 } 1134 1135 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1136 store_pwm_enable, 0); 1137 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1138 store_pwm_enable, 1); 1139 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1140 store_pwm_enable, 2); 1141 1142 static ssize_t 1143 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) 1144 { 1145 int nr = to_sensor_dev_attr(devattr)->index; 1146 struct w83627hf_data *data = w83627hf_update_device(dev); 1147 if (data->type == w83627hf) 1148 return sprintf(buf, "%ld\n", 1149 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1150 else 1151 return sprintf(buf, "%ld\n", 1152 pwm_freq_from_reg(data->pwm_freq[nr])); 1153 } 1154 1155 static ssize_t 1156 store_pwm_freq(struct device *dev, struct device_attribute *devattr, 1157 const char *buf, size_t count) 1158 { 1159 int nr = to_sensor_dev_attr(devattr)->index; 1160 struct w83627hf_data *data = dev_get_drvdata(dev); 1161 static const u8 mask[]={0xF8, 0x8F}; 1162 unsigned long val; 1163 int err; 1164 1165 err = kstrtoul(buf, 10, &val); 1166 if (err) 1167 return err; 1168 1169 mutex_lock(&data->update_lock); 1170 1171 if (data->type == w83627hf) { 1172 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1173 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1174 (data->pwm_freq[nr] << (nr*4)) | 1175 (w83627hf_read_value(data, 1176 W83627HF_REG_PWM_FREQ) & mask[nr])); 1177 } else { 1178 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1179 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1180 data->pwm_freq[nr]); 1181 } 1182 1183 mutex_unlock(&data->update_lock); 1184 return count; 1185 } 1186 1187 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, 1188 show_pwm_freq, store_pwm_freq, 0); 1189 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, 1190 show_pwm_freq, store_pwm_freq, 1); 1191 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, 1192 show_pwm_freq, store_pwm_freq, 2); 1193 1194 static ssize_t 1195 show_temp_type(struct device *dev, struct device_attribute *devattr, 1196 char *buf) 1197 { 1198 int nr = to_sensor_dev_attr(devattr)->index; 1199 struct w83627hf_data *data = w83627hf_update_device(dev); 1200 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1201 } 1202 1203 static ssize_t 1204 store_temp_type(struct device *dev, struct device_attribute *devattr, 1205 const char *buf, size_t count) 1206 { 1207 int nr = to_sensor_dev_attr(devattr)->index; 1208 struct w83627hf_data *data = dev_get_drvdata(dev); 1209 unsigned long val; 1210 u32 tmp; 1211 int err; 1212 1213 err = kstrtoul(buf, 10, &val); 1214 if (err) 1215 return err; 1216 1217 mutex_lock(&data->update_lock); 1218 1219 switch (val) { 1220 case 1: /* PII/Celeron diode */ 1221 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1222 w83627hf_write_value(data, W83781D_REG_SCFG1, 1223 tmp | BIT_SCFG1[nr]); 1224 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1225 w83627hf_write_value(data, W83781D_REG_SCFG2, 1226 tmp | BIT_SCFG2[nr]); 1227 data->sens[nr] = val; 1228 break; 1229 case 2: /* 3904 */ 1230 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1231 w83627hf_write_value(data, W83781D_REG_SCFG1, 1232 tmp | BIT_SCFG1[nr]); 1233 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1234 w83627hf_write_value(data, W83781D_REG_SCFG2, 1235 tmp & ~BIT_SCFG2[nr]); 1236 data->sens[nr] = val; 1237 break; 1238 case W83781D_DEFAULT_BETA: 1239 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1240 "instead\n", W83781D_DEFAULT_BETA); 1241 /* fall through */ 1242 case 4: /* thermistor */ 1243 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1244 w83627hf_write_value(data, W83781D_REG_SCFG1, 1245 tmp & ~BIT_SCFG1[nr]); 1246 data->sens[nr] = val; 1247 break; 1248 default: 1249 dev_err(dev, 1250 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1251 (long) val); 1252 break; 1253 } 1254 1255 mutex_unlock(&data->update_lock); 1256 return count; 1257 } 1258 1259 #define sysfs_temp_type(offset) \ 1260 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 1261 show_temp_type, store_temp_type, offset - 1); 1262 1263 sysfs_temp_type(1); 1264 sysfs_temp_type(2); 1265 sysfs_temp_type(3); 1266 1267 static ssize_t 1268 show_name(struct device *dev, struct device_attribute *devattr, char *buf) 1269 { 1270 struct w83627hf_data *data = dev_get_drvdata(dev); 1271 1272 return sprintf(buf, "%s\n", data->name); 1273 } 1274 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 1275 1276 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1277 struct w83627hf_sio_data *sio_data) 1278 { 1279 int err = -ENODEV; 1280 u16 val; 1281 1282 static __initconst char *const names[] = { 1283 "W83627HF", 1284 "W83627THF", 1285 "W83697HF", 1286 "W83637HF", 1287 "W83687THF", 1288 }; 1289 1290 sio_data->sioaddr = sioaddr; 1291 superio_enter(sio_data); 1292 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1293 switch (val) { 1294 case W627_DEVID: 1295 sio_data->type = w83627hf; 1296 break; 1297 case W627THF_DEVID: 1298 sio_data->type = w83627thf; 1299 break; 1300 case W697_DEVID: 1301 sio_data->type = w83697hf; 1302 break; 1303 case W637_DEVID: 1304 sio_data->type = w83637hf; 1305 break; 1306 case W687THF_DEVID: 1307 sio_data->type = w83687thf; 1308 break; 1309 case 0xff: /* No device at all */ 1310 goto exit; 1311 default: 1312 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1313 goto exit; 1314 } 1315 1316 superio_select(sio_data, W83627HF_LD_HWM); 1317 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1318 superio_inb(sio_data, WINB_BASE_REG + 1); 1319 *addr = val & WINB_ALIGNMENT; 1320 if (*addr == 0) { 1321 pr_warn("Base address not set, skipping\n"); 1322 goto exit; 1323 } 1324 1325 val = superio_inb(sio_data, WINB_ACT_REG); 1326 if (!(val & 0x01)) { 1327 pr_warn("Enabling HWM logical device\n"); 1328 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1329 } 1330 1331 err = 0; 1332 pr_info(DRVNAME ": Found %s chip at %#x\n", 1333 names[sio_data->type], *addr); 1334 1335 exit: 1336 superio_exit(sio_data); 1337 return err; 1338 } 1339 1340 #define VIN_UNIT_ATTRS(_X_) \ 1341 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1342 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1343 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1344 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1345 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1346 1347 #define FAN_UNIT_ATTRS(_X_) \ 1348 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1349 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1350 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1351 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1352 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1353 1354 #define TEMP_UNIT_ATTRS(_X_) \ 1355 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1356 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1357 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1358 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1359 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1360 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1361 1362 static struct attribute *w83627hf_attributes[] = { 1363 &dev_attr_in0_input.attr, 1364 &dev_attr_in0_min.attr, 1365 &dev_attr_in0_max.attr, 1366 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1367 &sensor_dev_attr_in0_beep.dev_attr.attr, 1368 VIN_UNIT_ATTRS(2), 1369 VIN_UNIT_ATTRS(3), 1370 VIN_UNIT_ATTRS(4), 1371 VIN_UNIT_ATTRS(7), 1372 VIN_UNIT_ATTRS(8), 1373 1374 FAN_UNIT_ATTRS(1), 1375 FAN_UNIT_ATTRS(2), 1376 1377 TEMP_UNIT_ATTRS(1), 1378 TEMP_UNIT_ATTRS(2), 1379 1380 &dev_attr_alarms.attr, 1381 &sensor_dev_attr_beep_enable.dev_attr.attr, 1382 &dev_attr_beep_mask.attr, 1383 1384 &sensor_dev_attr_pwm1.dev_attr.attr, 1385 &sensor_dev_attr_pwm2.dev_attr.attr, 1386 &dev_attr_name.attr, 1387 NULL 1388 }; 1389 1390 static const struct attribute_group w83627hf_group = { 1391 .attrs = w83627hf_attributes, 1392 }; 1393 1394 static struct attribute *w83627hf_attributes_opt[] = { 1395 VIN_UNIT_ATTRS(1), 1396 VIN_UNIT_ATTRS(5), 1397 VIN_UNIT_ATTRS(6), 1398 1399 FAN_UNIT_ATTRS(3), 1400 TEMP_UNIT_ATTRS(3), 1401 &sensor_dev_attr_pwm3.dev_attr.attr, 1402 1403 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1404 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1405 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1406 1407 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1408 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1409 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1410 1411 NULL 1412 }; 1413 1414 static const struct attribute_group w83627hf_group_opt = { 1415 .attrs = w83627hf_attributes_opt, 1416 }; 1417 1418 static int w83627hf_probe(struct platform_device *pdev) 1419 { 1420 struct device *dev = &pdev->dev; 1421 struct w83627hf_sio_data *sio_data = dev->platform_data; 1422 struct w83627hf_data *data; 1423 struct resource *res; 1424 int err, i; 1425 1426 static const char *names[] = { 1427 "w83627hf", 1428 "w83627thf", 1429 "w83697hf", 1430 "w83637hf", 1431 "w83687thf", 1432 }; 1433 1434 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1435 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { 1436 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1437 (unsigned long)res->start, 1438 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1439 return -EBUSY; 1440 } 1441 1442 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL); 1443 if (!data) 1444 return -ENOMEM; 1445 1446 data->addr = res->start; 1447 data->type = sio_data->type; 1448 data->name = names[sio_data->type]; 1449 mutex_init(&data->lock); 1450 mutex_init(&data->update_lock); 1451 platform_set_drvdata(pdev, data); 1452 1453 /* Initialize the chip */ 1454 w83627hf_init_device(pdev); 1455 1456 /* A few vars need to be filled upon startup */ 1457 for (i = 0; i <= 2; i++) 1458 data->fan_min[i] = w83627hf_read_value( 1459 data, W83627HF_REG_FAN_MIN(i)); 1460 w83627hf_update_fan_div(data); 1461 1462 /* Register common device attributes */ 1463 err = sysfs_create_group(&dev->kobj, &w83627hf_group); 1464 if (err) 1465 return err; 1466 1467 /* Register chip-specific device attributes */ 1468 if (data->type == w83627hf || data->type == w83697hf) 1469 if ((err = device_create_file(dev, 1470 &sensor_dev_attr_in5_input.dev_attr)) 1471 || (err = device_create_file(dev, 1472 &sensor_dev_attr_in5_min.dev_attr)) 1473 || (err = device_create_file(dev, 1474 &sensor_dev_attr_in5_max.dev_attr)) 1475 || (err = device_create_file(dev, 1476 &sensor_dev_attr_in5_alarm.dev_attr)) 1477 || (err = device_create_file(dev, 1478 &sensor_dev_attr_in5_beep.dev_attr)) 1479 || (err = device_create_file(dev, 1480 &sensor_dev_attr_in6_input.dev_attr)) 1481 || (err = device_create_file(dev, 1482 &sensor_dev_attr_in6_min.dev_attr)) 1483 || (err = device_create_file(dev, 1484 &sensor_dev_attr_in6_max.dev_attr)) 1485 || (err = device_create_file(dev, 1486 &sensor_dev_attr_in6_alarm.dev_attr)) 1487 || (err = device_create_file(dev, 1488 &sensor_dev_attr_in6_beep.dev_attr)) 1489 || (err = device_create_file(dev, 1490 &sensor_dev_attr_pwm1_freq.dev_attr)) 1491 || (err = device_create_file(dev, 1492 &sensor_dev_attr_pwm2_freq.dev_attr))) 1493 goto error; 1494 1495 if (data->type != w83697hf) 1496 if ((err = device_create_file(dev, 1497 &sensor_dev_attr_in1_input.dev_attr)) 1498 || (err = device_create_file(dev, 1499 &sensor_dev_attr_in1_min.dev_attr)) 1500 || (err = device_create_file(dev, 1501 &sensor_dev_attr_in1_max.dev_attr)) 1502 || (err = device_create_file(dev, 1503 &sensor_dev_attr_in1_alarm.dev_attr)) 1504 || (err = device_create_file(dev, 1505 &sensor_dev_attr_in1_beep.dev_attr)) 1506 || (err = device_create_file(dev, 1507 &sensor_dev_attr_fan3_input.dev_attr)) 1508 || (err = device_create_file(dev, 1509 &sensor_dev_attr_fan3_min.dev_attr)) 1510 || (err = device_create_file(dev, 1511 &sensor_dev_attr_fan3_div.dev_attr)) 1512 || (err = device_create_file(dev, 1513 &sensor_dev_attr_fan3_alarm.dev_attr)) 1514 || (err = device_create_file(dev, 1515 &sensor_dev_attr_fan3_beep.dev_attr)) 1516 || (err = device_create_file(dev, 1517 &sensor_dev_attr_temp3_input.dev_attr)) 1518 || (err = device_create_file(dev, 1519 &sensor_dev_attr_temp3_max.dev_attr)) 1520 || (err = device_create_file(dev, 1521 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1522 || (err = device_create_file(dev, 1523 &sensor_dev_attr_temp3_alarm.dev_attr)) 1524 || (err = device_create_file(dev, 1525 &sensor_dev_attr_temp3_beep.dev_attr)) 1526 || (err = device_create_file(dev, 1527 &sensor_dev_attr_temp3_type.dev_attr))) 1528 goto error; 1529 1530 if (data->type != w83697hf && data->vid != 0xff) { 1531 /* Convert VID to voltage based on VRM */ 1532 data->vrm = vid_which_vrm(); 1533 1534 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1535 || (err = device_create_file(dev, &dev_attr_vrm))) 1536 goto error; 1537 } 1538 1539 if (data->type == w83627thf || data->type == w83637hf 1540 || data->type == w83687thf) { 1541 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr); 1542 if (err) 1543 goto error; 1544 } 1545 1546 if (data->type == w83637hf || data->type == w83687thf) 1547 if ((err = device_create_file(dev, 1548 &sensor_dev_attr_pwm1_freq.dev_attr)) 1549 || (err = device_create_file(dev, 1550 &sensor_dev_attr_pwm2_freq.dev_attr)) 1551 || (err = device_create_file(dev, 1552 &sensor_dev_attr_pwm3_freq.dev_attr))) 1553 goto error; 1554 1555 if (data->type != w83627hf) 1556 if ((err = device_create_file(dev, 1557 &sensor_dev_attr_pwm1_enable.dev_attr)) 1558 || (err = device_create_file(dev, 1559 &sensor_dev_attr_pwm2_enable.dev_attr))) 1560 goto error; 1561 1562 if (data->type == w83627thf || data->type == w83637hf 1563 || data->type == w83687thf) { 1564 err = device_create_file(dev, 1565 &sensor_dev_attr_pwm3_enable.dev_attr); 1566 if (err) 1567 goto error; 1568 } 1569 1570 data->hwmon_dev = hwmon_device_register(dev); 1571 if (IS_ERR(data->hwmon_dev)) { 1572 err = PTR_ERR(data->hwmon_dev); 1573 goto error; 1574 } 1575 1576 return 0; 1577 1578 error: 1579 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1580 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1581 return err; 1582 } 1583 1584 static int w83627hf_remove(struct platform_device *pdev) 1585 { 1586 struct w83627hf_data *data = platform_get_drvdata(pdev); 1587 1588 hwmon_device_unregister(data->hwmon_dev); 1589 1590 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1591 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1592 1593 return 0; 1594 } 1595 1596 1597 /* Registers 0x50-0x5f are banked */ 1598 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1599 { 1600 if ((reg & 0x00f0) == 0x50) { 1601 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1602 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1603 } 1604 } 1605 1606 /* Not strictly necessary, but play it safe for now */ 1607 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1608 { 1609 if (reg & 0xff00) { 1610 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1611 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1612 } 1613 } 1614 1615 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1616 { 1617 int res, word_sized; 1618 1619 mutex_lock(&data->lock); 1620 word_sized = (((reg & 0xff00) == 0x100) 1621 || ((reg & 0xff00) == 0x200)) 1622 && (((reg & 0x00ff) == 0x50) 1623 || ((reg & 0x00ff) == 0x53) 1624 || ((reg & 0x00ff) == 0x55)); 1625 w83627hf_set_bank(data, reg); 1626 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1627 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1628 if (word_sized) { 1629 outb_p((reg & 0xff) + 1, 1630 data->addr + W83781D_ADDR_REG_OFFSET); 1631 res = 1632 (res << 8) + inb_p(data->addr + 1633 W83781D_DATA_REG_OFFSET); 1634 } 1635 w83627hf_reset_bank(data, reg); 1636 mutex_unlock(&data->lock); 1637 return res; 1638 } 1639 1640 static int w83627thf_read_gpio5(struct platform_device *pdev) 1641 { 1642 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1643 int res = 0xff, sel; 1644 1645 superio_enter(sio_data); 1646 superio_select(sio_data, W83627HF_LD_GPIO5); 1647 1648 /* Make sure these GPIO pins are enabled */ 1649 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 1650 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1651 goto exit; 1652 } 1653 1654 /* 1655 * Make sure the pins are configured for input 1656 * There must be at least five (VRM 9), and possibly 6 (VRM 10) 1657 */ 1658 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 1659 if ((sel & 0x1f) != 0x1f) { 1660 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1661 "function\n"); 1662 goto exit; 1663 } 1664 1665 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1666 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 1667 1668 exit: 1669 superio_exit(sio_data); 1670 return res; 1671 } 1672 1673 static int w83687thf_read_vid(struct platform_device *pdev) 1674 { 1675 struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; 1676 int res = 0xff; 1677 1678 superio_enter(sio_data); 1679 superio_select(sio_data, W83627HF_LD_HWM); 1680 1681 /* Make sure these GPIO pins are enabled */ 1682 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 1683 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1684 goto exit; 1685 } 1686 1687 /* Make sure the pins are configured for input */ 1688 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 1689 dev_dbg(&pdev->dev, "VID configured as output, " 1690 "no VID function\n"); 1691 goto exit; 1692 } 1693 1694 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 1695 1696 exit: 1697 superio_exit(sio_data); 1698 return res; 1699 } 1700 1701 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1702 { 1703 int word_sized; 1704 1705 mutex_lock(&data->lock); 1706 word_sized = (((reg & 0xff00) == 0x100) 1707 || ((reg & 0xff00) == 0x200)) 1708 && (((reg & 0x00ff) == 0x53) 1709 || ((reg & 0x00ff) == 0x55)); 1710 w83627hf_set_bank(data, reg); 1711 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1712 if (word_sized) { 1713 outb_p(value >> 8, 1714 data->addr + W83781D_DATA_REG_OFFSET); 1715 outb_p((reg & 0xff) + 1, 1716 data->addr + W83781D_ADDR_REG_OFFSET); 1717 } 1718 outb_p(value & 0xff, 1719 data->addr + W83781D_DATA_REG_OFFSET); 1720 w83627hf_reset_bank(data, reg); 1721 mutex_unlock(&data->lock); 1722 return 0; 1723 } 1724 1725 static void w83627hf_init_device(struct platform_device *pdev) 1726 { 1727 struct w83627hf_data *data = platform_get_drvdata(pdev); 1728 int i; 1729 enum chips type = data->type; 1730 u8 tmp; 1731 1732 /* Minimize conflicts with other winbond i2c-only clients... */ 1733 /* disable i2c subclients... how to disable main i2c client?? */ 1734 /* force i2c address to relatively uncommon address */ 1735 if (type == w83627hf) { 1736 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1737 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1738 } 1739 1740 /* Read VID only once */ 1741 if (type == w83627hf || type == w83637hf) { 1742 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1743 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1744 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1745 } else if (type == w83627thf) { 1746 data->vid = w83627thf_read_gpio5(pdev); 1747 } else if (type == w83687thf) { 1748 data->vid = w83687thf_read_vid(pdev); 1749 } 1750 1751 /* Read VRM & OVT Config only once */ 1752 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1753 data->vrm_ovt = 1754 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1755 } 1756 1757 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1758 for (i = 1; i <= 3; i++) { 1759 if (!(tmp & BIT_SCFG1[i - 1])) { 1760 data->sens[i - 1] = 4; 1761 } else { 1762 if (w83627hf_read_value 1763 (data, 1764 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1765 data->sens[i - 1] = 1; 1766 else 1767 data->sens[i - 1] = 2; 1768 } 1769 if ((type == w83697hf) && (i == 2)) 1770 break; 1771 } 1772 1773 if(init) { 1774 /* Enable temp2 */ 1775 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1776 if (tmp & 0x01) { 1777 dev_warn(&pdev->dev, "Enabling temp2, readings " 1778 "might not make sense\n"); 1779 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1780 tmp & 0xfe); 1781 } 1782 1783 /* Enable temp3 */ 1784 if (type != w83697hf) { 1785 tmp = w83627hf_read_value(data, 1786 W83627HF_REG_TEMP3_CONFIG); 1787 if (tmp & 0x01) { 1788 dev_warn(&pdev->dev, "Enabling temp3, " 1789 "readings might not make sense\n"); 1790 w83627hf_write_value(data, 1791 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1792 } 1793 } 1794 } 1795 1796 /* Start monitoring */ 1797 w83627hf_write_value(data, W83781D_REG_CONFIG, 1798 (w83627hf_read_value(data, 1799 W83781D_REG_CONFIG) & 0xf7) 1800 | 0x01); 1801 1802 /* Enable VBAT monitoring if needed */ 1803 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1804 if (!(tmp & 0x01)) 1805 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1806 } 1807 1808 static void w83627hf_update_fan_div(struct w83627hf_data *data) 1809 { 1810 int reg; 1811 1812 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1813 data->fan_div[0] = (reg >> 4) & 0x03; 1814 data->fan_div[1] = (reg >> 6) & 0x03; 1815 if (data->type != w83697hf) { 1816 data->fan_div[2] = (w83627hf_read_value(data, 1817 W83781D_REG_PIN) >> 6) & 0x03; 1818 } 1819 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1820 data->fan_div[0] |= (reg >> 3) & 0x04; 1821 data->fan_div[1] |= (reg >> 4) & 0x04; 1822 if (data->type != w83697hf) 1823 data->fan_div[2] |= (reg >> 5) & 0x04; 1824 } 1825 1826 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1827 { 1828 struct w83627hf_data *data = dev_get_drvdata(dev); 1829 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1830 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1831 1832 mutex_lock(&data->update_lock); 1833 1834 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1835 || !data->valid) { 1836 for (i = 0; i <= 8; i++) { 1837 /* skip missing sensors */ 1838 if (((data->type == w83697hf) && (i == 1)) || 1839 ((data->type != w83627hf && data->type != w83697hf) 1840 && (i == 5 || i == 6))) 1841 continue; 1842 data->in[i] = 1843 w83627hf_read_value(data, W83781D_REG_IN(i)); 1844 data->in_min[i] = 1845 w83627hf_read_value(data, 1846 W83781D_REG_IN_MIN(i)); 1847 data->in_max[i] = 1848 w83627hf_read_value(data, 1849 W83781D_REG_IN_MAX(i)); 1850 } 1851 for (i = 0; i <= 2; i++) { 1852 data->fan[i] = 1853 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1854 data->fan_min[i] = 1855 w83627hf_read_value(data, 1856 W83627HF_REG_FAN_MIN(i)); 1857 } 1858 for (i = 0; i <= 2; i++) { 1859 u8 tmp = w83627hf_read_value(data, 1860 W836X7HF_REG_PWM(data->type, i)); 1861 /* bits 0-3 are reserved in 627THF */ 1862 if (data->type == w83627thf) 1863 tmp &= 0xf0; 1864 data->pwm[i] = tmp; 1865 if (i == 1 && 1866 (data->type == w83627hf || data->type == w83697hf)) 1867 break; 1868 } 1869 if (data->type == w83627hf) { 1870 u8 tmp = w83627hf_read_value(data, 1871 W83627HF_REG_PWM_FREQ); 1872 data->pwm_freq[0] = tmp & 0x07; 1873 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1874 } else if (data->type != w83627thf) { 1875 for (i = 1; i <= 3; i++) { 1876 data->pwm_freq[i - 1] = 1877 w83627hf_read_value(data, 1878 W83637HF_REG_PWM_FREQ[i - 1]); 1879 if (i == 2 && (data->type == w83697hf)) 1880 break; 1881 } 1882 } 1883 if (data->type != w83627hf) { 1884 for (i = 0; i < num_pwms; i++) { 1885 u8 tmp = w83627hf_read_value(data, 1886 W83627THF_REG_PWM_ENABLE[i]); 1887 data->pwm_enable[i] = 1888 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1889 & 0x03) + 1; 1890 } 1891 } 1892 for (i = 0; i < num_temps; i++) { 1893 data->temp[i] = w83627hf_read_value( 1894 data, w83627hf_reg_temp[i]); 1895 data->temp_max[i] = w83627hf_read_value( 1896 data, w83627hf_reg_temp_over[i]); 1897 data->temp_max_hyst[i] = w83627hf_read_value( 1898 data, w83627hf_reg_temp_hyst[i]); 1899 } 1900 1901 w83627hf_update_fan_div(data); 1902 1903 data->alarms = 1904 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1905 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1906 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1907 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1908 data->beep_mask = (i << 8) | 1909 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1910 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1911 data->last_updated = jiffies; 1912 data->valid = 1; 1913 } 1914 1915 mutex_unlock(&data->update_lock); 1916 1917 return data; 1918 } 1919 1920 static int __init w83627hf_device_add(unsigned short address, 1921 const struct w83627hf_sio_data *sio_data) 1922 { 1923 struct resource res = { 1924 .start = address + WINB_REGION_OFFSET, 1925 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1926 .name = DRVNAME, 1927 .flags = IORESOURCE_IO, 1928 }; 1929 int err; 1930 1931 err = acpi_check_resource_conflict(&res); 1932 if (err) 1933 goto exit; 1934 1935 pdev = platform_device_alloc(DRVNAME, address); 1936 if (!pdev) { 1937 err = -ENOMEM; 1938 pr_err("Device allocation failed\n"); 1939 goto exit; 1940 } 1941 1942 err = platform_device_add_resources(pdev, &res, 1); 1943 if (err) { 1944 pr_err("Device resource addition failed (%d)\n", err); 1945 goto exit_device_put; 1946 } 1947 1948 err = platform_device_add_data(pdev, sio_data, 1949 sizeof(struct w83627hf_sio_data)); 1950 if (err) { 1951 pr_err("Platform data allocation failed\n"); 1952 goto exit_device_put; 1953 } 1954 1955 err = platform_device_add(pdev); 1956 if (err) { 1957 pr_err("Device addition failed (%d)\n", err); 1958 goto exit_device_put; 1959 } 1960 1961 return 0; 1962 1963 exit_device_put: 1964 platform_device_put(pdev); 1965 exit: 1966 return err; 1967 } 1968 1969 static int __init sensors_w83627hf_init(void) 1970 { 1971 int err; 1972 unsigned short address; 1973 struct w83627hf_sio_data sio_data; 1974 1975 if (w83627hf_find(0x2e, &address, &sio_data) 1976 && w83627hf_find(0x4e, &address, &sio_data)) 1977 return -ENODEV; 1978 1979 err = platform_driver_register(&w83627hf_driver); 1980 if (err) 1981 goto exit; 1982 1983 /* Sets global pdev as a side effect */ 1984 err = w83627hf_device_add(address, &sio_data); 1985 if (err) 1986 goto exit_driver; 1987 1988 return 0; 1989 1990 exit_driver: 1991 platform_driver_unregister(&w83627hf_driver); 1992 exit: 1993 return err; 1994 } 1995 1996 static void __exit sensors_w83627hf_exit(void) 1997 { 1998 platform_device_unregister(pdev); 1999 platform_driver_unregister(&w83627hf_driver); 2000 } 2001 2002 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 2003 "Philip Edelbrock <phil@netroedge.com>, " 2004 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 2005 MODULE_DESCRIPTION("W83627HF driver"); 2006 MODULE_LICENSE("GPL"); 2007 2008 module_init(sensors_w83627hf_init); 2009 module_exit(sensors_w83627hf_exit);
Cache object: f186fff54e331deb07cf135324dc5760
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