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 <jdelvare@suse.de> 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 int 134 superio_enter(struct w83627hf_sio_data *sio) 135 { 136 if (!request_muxed_region(sio->sioaddr, 2, DRVNAME)) 137 return -EBUSY; 138 139 outb(0x87, sio->sioaddr); 140 outb(0x87, sio->sioaddr); 141 142 return 0; 143 } 144 145 static inline void 146 superio_exit(struct w83627hf_sio_data *sio) 147 { 148 outb(0xAA, sio->sioaddr); 149 release_region(sio->sioaddr, 2); 150 } 151 152 #define W627_DEVID 0x52 153 #define W627THF_DEVID 0x82 154 #define W697_DEVID 0x60 155 #define W637_DEVID 0x70 156 #define W687THF_DEVID 0x85 157 #define WINB_ACT_REG 0x30 158 #define WINB_BASE_REG 0x60 159 /* Constants specified below */ 160 161 /* Alignment of the base address */ 162 #define WINB_ALIGNMENT ~7 163 164 /* Offset & size of I/O region we are interested in */ 165 #define WINB_REGION_OFFSET 5 166 #define WINB_REGION_SIZE 2 167 168 /* Where are the sensors address/data registers relative to the region offset */ 169 #define W83781D_ADDR_REG_OFFSET 0 170 #define W83781D_DATA_REG_OFFSET 1 171 172 /* The W83781D registers */ 173 /* The W83782D registers for nr=7,8 are in bank 5 */ 174 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 175 (0x554 + (((nr) - 7) * 2))) 176 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 177 (0x555 + (((nr) - 7) * 2))) 178 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 179 (0x550 + (nr) - 7)) 180 181 /* nr:0-2 for fans:1-3 */ 182 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 183 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 184 185 #define W83627HF_REG_TEMP2_CONFIG 0x152 186 #define W83627HF_REG_TEMP3_CONFIG 0x252 187 /* these are zero-based, unlike config constants above */ 188 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 189 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 190 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 191 192 #define W83781D_REG_BANK 0x4E 193 194 #define W83781D_REG_CONFIG 0x40 195 #define W83781D_REG_ALARM1 0x459 196 #define W83781D_REG_ALARM2 0x45A 197 #define W83781D_REG_ALARM3 0x45B 198 199 #define W83781D_REG_BEEP_CONFIG 0x4D 200 #define W83781D_REG_BEEP_INTS1 0x56 201 #define W83781D_REG_BEEP_INTS2 0x57 202 #define W83781D_REG_BEEP_INTS3 0x453 203 204 #define W83781D_REG_VID_FANDIV 0x47 205 206 #define W83781D_REG_CHIPID 0x49 207 #define W83781D_REG_WCHIPID 0x58 208 #define W83781D_REG_CHIPMAN 0x4F 209 #define W83781D_REG_PIN 0x4B 210 211 #define W83781D_REG_VBAT 0x5D 212 213 #define W83627HF_REG_PWM1 0x5A 214 #define W83627HF_REG_PWM2 0x5B 215 216 static const u8 W83627THF_REG_PWM_ENABLE[] = { 217 0x04, /* FAN 1 mode */ 218 0x04, /* FAN 2 mode */ 219 0x12, /* FAN AUX mode */ 220 }; 221 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 222 223 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 224 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 225 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 226 227 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 228 229 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 230 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 231 W83627THF_REG_PWM3 }; 232 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 233 regpwm_627hf[nr] : regpwm[nr]) 234 235 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 236 237 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 238 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 239 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 240 241 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 242 W83637HF_REG_PWM_FREQ2, 243 W83637HF_REG_PWM_FREQ3 }; 244 245 #define W83627HF_BASE_PWM_FREQ 46870 246 247 #define W83781D_REG_I2C_ADDR 0x48 248 #define W83781D_REG_I2C_SUBADDR 0x4A 249 250 /* Sensor selection */ 251 #define W83781D_REG_SCFG1 0x5D 252 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 253 #define W83781D_REG_SCFG2 0x59 254 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 255 #define W83781D_DEFAULT_BETA 3435 256 257 /* 258 * Conversions. Limit checking is only done on the TO_REG 259 * variants. Note that you should be a bit careful with which arguments 260 * these macros are called: arguments may be evaluated more than once. 261 * Fixing this is just not worth it. 262 */ 263 #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) 264 #define IN_FROM_REG(val) ((val) * 16) 265 266 static inline u8 FAN_TO_REG(long rpm, int div) 267 { 268 if (rpm == 0) 269 return 255; 270 rpm = clamp_val(rpm, 1, 1000000); 271 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 272 } 273 274 #define TEMP_MIN (-128000) 275 #define TEMP_MAX ( 127000) 276 277 /* 278 * TEMP: 0.001C/bit (-128C to +127C) 279 * REG: 1C/bit, two's complement 280 */ 281 static u8 TEMP_TO_REG(long temp) 282 { 283 int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX); 284 ntemp += (ntemp < 0 ? -500 : 500); 285 return (u8)(ntemp / 1000); 286 } 287 288 static int TEMP_FROM_REG(u8 reg) 289 { 290 return (s8)reg * 1000; 291 } 292 293 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 294 295 #define PWM_TO_REG(val) (clamp_val((val), 0, 255)) 296 297 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 298 { 299 unsigned long freq; 300 freq = W83627HF_BASE_PWM_FREQ >> reg; 301 return freq; 302 } 303 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 304 { 305 u8 i; 306 /* 307 * Only 5 dividers (1 2 4 8 16) 308 * Search for the nearest available frequency 309 */ 310 for (i = 0; i < 4; i++) { 311 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 312 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 313 break; 314 } 315 return i; 316 } 317 318 static inline unsigned long pwm_freq_from_reg(u8 reg) 319 { 320 /* Clock bit 8 -> 180 kHz or 24 MHz */ 321 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 322 323 reg &= 0x7f; 324 /* This should not happen but anyway... */ 325 if (reg == 0) 326 reg++; 327 return clock / (reg << 8); 328 } 329 static inline u8 pwm_freq_to_reg(unsigned long val) 330 { 331 /* Minimum divider value is 0x01 and maximum is 0x7F */ 332 if (val >= 93750) /* The highest we can do */ 333 return 0x01; 334 if (val >= 720) /* Use 24 MHz clock */ 335 return 24000000UL / (val << 8); 336 if (val < 6) /* The lowest we can do */ 337 return 0xFF; 338 else /* Use 180 kHz clock */ 339 return 0x80 | (180000UL / (val << 8)); 340 } 341 342 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) 343 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) 344 345 #define DIV_FROM_REG(val) (1 << (val)) 346 347 static inline u8 DIV_TO_REG(long val) 348 { 349 int i; 350 val = clamp_val(val, 1, 128) >> 1; 351 for (i = 0; i < 7; i++) { 352 if (val == 0) 353 break; 354 val >>= 1; 355 } 356 return (u8)i; 357 } 358 359 /* 360 * For each registered chip, we need to keep some data in memory. 361 * The structure is dynamically allocated. 362 */ 363 struct w83627hf_data { 364 unsigned short addr; 365 const char *name; 366 struct device *hwmon_dev; 367 struct mutex lock; 368 enum chips type; 369 370 struct mutex update_lock; 371 char valid; /* !=0 if following fields are valid */ 372 unsigned long last_updated; /* In jiffies */ 373 374 u8 in[9]; /* Register value */ 375 u8 in_max[9]; /* Register value */ 376 u8 in_min[9]; /* Register value */ 377 u8 fan[3]; /* Register value */ 378 u8 fan_min[3]; /* Register value */ 379 u16 temp[3]; /* Register value */ 380 u16 temp_max[3]; /* Register value */ 381 u16 temp_max_hyst[3]; /* Register value */ 382 u8 fan_div[3]; /* Register encoding, shifted right */ 383 u8 vid; /* Register encoding, combined */ 384 u32 alarms; /* Register encoding, combined */ 385 u32 beep_mask; /* Register encoding, combined */ 386 u8 pwm[3]; /* Register value */ 387 u8 pwm_enable[3]; /* 1 = manual 388 * 2 = thermal cruise (also called SmartFan I) 389 * 3 = fan speed cruise 390 */ 391 u8 pwm_freq[3]; /* Register value */ 392 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 393 * 4 = thermistor 394 */ 395 u8 vrm; 396 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 397 398 #ifdef CONFIG_PM 399 /* Remember extra register values over suspend/resume */ 400 u8 scfg1; 401 u8 scfg2; 402 #endif 403 }; 404 405 static int w83627hf_probe(struct platform_device *pdev); 406 static int w83627hf_remove(struct platform_device *pdev); 407 408 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 409 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 410 static void w83627hf_update_fan_div(struct w83627hf_data *data); 411 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 412 static void w83627hf_init_device(struct platform_device *pdev); 413 414 #ifdef CONFIG_PM 415 static int w83627hf_suspend(struct device *dev) 416 { 417 struct w83627hf_data *data = w83627hf_update_device(dev); 418 419 mutex_lock(&data->update_lock); 420 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); 421 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); 422 mutex_unlock(&data->update_lock); 423 424 return 0; 425 } 426 427 static int w83627hf_resume(struct device *dev) 428 { 429 struct w83627hf_data *data = dev_get_drvdata(dev); 430 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 431 432 /* Restore limits */ 433 mutex_lock(&data->update_lock); 434 for (i = 0; i <= 8; i++) { 435 /* skip missing sensors */ 436 if (((data->type == w83697hf) && (i == 1)) || 437 ((data->type != w83627hf && data->type != w83697hf) 438 && (i == 5 || i == 6))) 439 continue; 440 w83627hf_write_value(data, W83781D_REG_IN_MAX(i), 441 data->in_max[i]); 442 w83627hf_write_value(data, W83781D_REG_IN_MIN(i), 443 data->in_min[i]); 444 } 445 for (i = 0; i <= 2; i++) 446 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), 447 data->fan_min[i]); 448 for (i = 0; i < num_temps; i++) { 449 w83627hf_write_value(data, w83627hf_reg_temp_over[i], 450 data->temp_max[i]); 451 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i], 452 data->temp_max_hyst[i]); 453 } 454 455 /* Fixup BIOS bugs */ 456 if (data->type == w83627thf || data->type == w83637hf || 457 data->type == w83687thf) 458 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, 459 data->vrm_ovt); 460 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1); 461 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2); 462 463 /* Force re-reading all values */ 464 data->valid = 0; 465 mutex_unlock(&data->update_lock); 466 467 return 0; 468 } 469 470 static const struct dev_pm_ops w83627hf_dev_pm_ops = { 471 .suspend = w83627hf_suspend, 472 .resume = w83627hf_resume, 473 }; 474 475 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) 476 #else 477 #define W83627HF_DEV_PM_OPS NULL 478 #endif /* CONFIG_PM */ 479 480 static struct platform_driver w83627hf_driver = { 481 .driver = { 482 .name = DRVNAME, 483 .pm = W83627HF_DEV_PM_OPS, 484 }, 485 .probe = w83627hf_probe, 486 .remove = w83627hf_remove, 487 }; 488 489 static ssize_t 490 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) 491 { 492 int nr = to_sensor_dev_attr(devattr)->index; 493 struct w83627hf_data *data = w83627hf_update_device(dev); 494 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 495 } 496 static ssize_t 497 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 498 { 499 int nr = to_sensor_dev_attr(devattr)->index; 500 struct w83627hf_data *data = w83627hf_update_device(dev); 501 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 502 } 503 static ssize_t 504 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 505 { 506 int nr = to_sensor_dev_attr(devattr)->index; 507 struct w83627hf_data *data = w83627hf_update_device(dev); 508 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 509 } 510 static ssize_t 511 in_min_store(struct device *dev, struct device_attribute *devattr, 512 const char *buf, size_t count) 513 { 514 int nr = to_sensor_dev_attr(devattr)->index; 515 struct w83627hf_data *data = dev_get_drvdata(dev); 516 long val; 517 int err; 518 519 err = kstrtol(buf, 10, &val); 520 if (err) 521 return err; 522 523 mutex_lock(&data->update_lock); 524 data->in_min[nr] = IN_TO_REG(val); 525 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 526 mutex_unlock(&data->update_lock); 527 return count; 528 } 529 static ssize_t 530 in_max_store(struct device *dev, struct device_attribute *devattr, 531 const char *buf, size_t count) 532 { 533 int nr = to_sensor_dev_attr(devattr)->index; 534 struct w83627hf_data *data = dev_get_drvdata(dev); 535 long val; 536 int err; 537 538 err = kstrtol(buf, 10, &val); 539 if (err) 540 return err; 541 542 mutex_lock(&data->update_lock); 543 data->in_max[nr] = IN_TO_REG(val); 544 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 545 mutex_unlock(&data->update_lock); 546 return count; 547 } 548 549 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1); 550 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); 551 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); 552 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2); 553 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); 554 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); 555 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3); 556 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); 557 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); 558 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4); 559 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); 560 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); 561 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5); 562 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); 563 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); 564 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6); 565 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); 566 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); 567 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7); 568 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); 569 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); 570 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8); 571 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8); 572 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8); 573 574 /* use a different set of functions for in0 */ 575 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 576 { 577 long in0; 578 579 if ((data->vrm_ovt & 0x01) && 580 (w83627thf == data->type || w83637hf == data->type 581 || w83687thf == data->type)) 582 583 /* use VRM9 calculation */ 584 in0 = (long)((reg * 488 + 70000 + 50) / 100); 585 else 586 /* use VRM8 (standard) calculation */ 587 in0 = (long)IN_FROM_REG(reg); 588 589 return sprintf(buf,"%ld\n", in0); 590 } 591 592 static ssize_t in0_input_show(struct device *dev, 593 struct device_attribute *attr, char *buf) 594 { 595 struct w83627hf_data *data = w83627hf_update_device(dev); 596 return show_in_0(data, buf, data->in[0]); 597 } 598 599 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, 600 char *buf) 601 { 602 struct w83627hf_data *data = w83627hf_update_device(dev); 603 return show_in_0(data, buf, data->in_min[0]); 604 } 605 606 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, 607 char *buf) 608 { 609 struct w83627hf_data *data = w83627hf_update_device(dev); 610 return show_in_0(data, buf, data->in_max[0]); 611 } 612 613 static ssize_t in0_min_store(struct device *dev, 614 struct device_attribute *attr, const char *buf, 615 size_t count) 616 { 617 struct w83627hf_data *data = dev_get_drvdata(dev); 618 unsigned long val; 619 int err; 620 621 err = kstrtoul(buf, 10, &val); 622 if (err) 623 return err; 624 625 mutex_lock(&data->update_lock); 626 627 if ((data->vrm_ovt & 0x01) && 628 (w83627thf == data->type || w83637hf == data->type 629 || w83687thf == data->type)) 630 631 /* use VRM9 calculation */ 632 data->in_min[0] = 633 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 634 else 635 /* use VRM8 (standard) calculation */ 636 data->in_min[0] = IN_TO_REG(val); 637 638 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 639 mutex_unlock(&data->update_lock); 640 return count; 641 } 642 643 static ssize_t in0_max_store(struct device *dev, 644 struct device_attribute *attr, const char *buf, 645 size_t count) 646 { 647 struct w83627hf_data *data = dev_get_drvdata(dev); 648 unsigned long val; 649 int err; 650 651 err = kstrtoul(buf, 10, &val); 652 if (err) 653 return err; 654 655 mutex_lock(&data->update_lock); 656 657 if ((data->vrm_ovt & 0x01) && 658 (w83627thf == data->type || w83637hf == data->type 659 || w83687thf == data->type)) 660 661 /* use VRM9 calculation */ 662 data->in_max[0] = 663 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 664 else 665 /* use VRM8 (standard) calculation */ 666 data->in_max[0] = IN_TO_REG(val); 667 668 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 669 mutex_unlock(&data->update_lock); 670 return count; 671 } 672 673 static DEVICE_ATTR_RO(in0_input); 674 static DEVICE_ATTR_RW(in0_min); 675 static DEVICE_ATTR_RW(in0_max); 676 677 static ssize_t 678 fan_input_show(struct device *dev, struct device_attribute *devattr, 679 char *buf) 680 { 681 int nr = to_sensor_dev_attr(devattr)->index; 682 struct w83627hf_data *data = w83627hf_update_device(dev); 683 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 684 (long)DIV_FROM_REG(data->fan_div[nr]))); 685 } 686 static ssize_t 687 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 688 { 689 int nr = to_sensor_dev_attr(devattr)->index; 690 struct w83627hf_data *data = w83627hf_update_device(dev); 691 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 692 (long)DIV_FROM_REG(data->fan_div[nr]))); 693 } 694 static ssize_t 695 fan_min_store(struct device *dev, struct device_attribute *devattr, 696 const char *buf, size_t count) 697 { 698 int nr = to_sensor_dev_attr(devattr)->index; 699 struct w83627hf_data *data = dev_get_drvdata(dev); 700 unsigned long val; 701 int err; 702 703 err = kstrtoul(buf, 10, &val); 704 if (err) 705 return err; 706 707 mutex_lock(&data->update_lock); 708 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 709 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 710 data->fan_min[nr]); 711 712 mutex_unlock(&data->update_lock); 713 return count; 714 } 715 716 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); 717 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); 718 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); 719 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); 720 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); 721 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); 722 723 static ssize_t 724 temp_show(struct device *dev, struct device_attribute *devattr, 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[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 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 736 { 737 int nr = to_sensor_dev_attr(devattr)->index; 738 struct w83627hf_data *data = w83627hf_update_device(dev); 739 740 u16 tmp = data->temp_max[nr]; 741 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 742 : (long) TEMP_FROM_REG(tmp)); 743 } 744 745 static ssize_t 746 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr, 747 char *buf) 748 { 749 int nr = to_sensor_dev_attr(devattr)->index; 750 struct w83627hf_data *data = w83627hf_update_device(dev); 751 752 u16 tmp = data->temp_max_hyst[nr]; 753 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 754 : (long) TEMP_FROM_REG(tmp)); 755 } 756 757 static ssize_t 758 temp_max_store(struct device *dev, struct device_attribute *devattr, 759 const char *buf, size_t count) 760 { 761 int nr = to_sensor_dev_attr(devattr)->index; 762 struct w83627hf_data *data = dev_get_drvdata(dev); 763 u16 tmp; 764 long val; 765 int err; 766 767 err = kstrtol(buf, 10, &val); 768 if (err) 769 return err; 770 771 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 772 mutex_lock(&data->update_lock); 773 data->temp_max[nr] = tmp; 774 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 775 mutex_unlock(&data->update_lock); 776 return count; 777 } 778 779 static ssize_t 780 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr, 781 const char *buf, size_t count) 782 { 783 int nr = to_sensor_dev_attr(devattr)->index; 784 struct w83627hf_data *data = dev_get_drvdata(dev); 785 u16 tmp; 786 long val; 787 int err; 788 789 err = kstrtol(buf, 10, &val); 790 if (err) 791 return err; 792 793 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 794 mutex_lock(&data->update_lock); 795 data->temp_max_hyst[nr] = tmp; 796 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 797 mutex_unlock(&data->update_lock); 798 return count; 799 } 800 801 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); 802 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); 803 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0); 804 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); 805 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); 806 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1); 807 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); 808 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); 809 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2); 810 811 static ssize_t 812 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) 813 { 814 struct w83627hf_data *data = w83627hf_update_device(dev); 815 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 816 } 817 static DEVICE_ATTR_RO(cpu0_vid); 818 819 static ssize_t 820 vrm_show(struct device *dev, struct device_attribute *attr, char *buf) 821 { 822 struct w83627hf_data *data = dev_get_drvdata(dev); 823 return sprintf(buf, "%ld\n", (long) data->vrm); 824 } 825 static ssize_t 826 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, 827 size_t count) 828 { 829 struct w83627hf_data *data = dev_get_drvdata(dev); 830 unsigned long val; 831 int err; 832 833 err = kstrtoul(buf, 10, &val); 834 if (err) 835 return err; 836 837 if (val > 255) 838 return -EINVAL; 839 data->vrm = val; 840 841 return count; 842 } 843 static DEVICE_ATTR_RW(vrm); 844 845 static ssize_t 846 alarms_show(struct device *dev, struct device_attribute *attr, char *buf) 847 { 848 struct w83627hf_data *data = w83627hf_update_device(dev); 849 return sprintf(buf, "%ld\n", (long) data->alarms); 850 } 851 static DEVICE_ATTR_RO(alarms); 852 853 static ssize_t 854 alarm_show(struct device *dev, struct device_attribute *attr, char *buf) 855 { 856 struct w83627hf_data *data = w83627hf_update_device(dev); 857 int bitnr = to_sensor_dev_attr(attr)->index; 858 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 859 } 860 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); 861 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); 862 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); 863 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); 864 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); 865 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9); 866 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10); 867 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16); 868 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17); 869 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6); 870 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7); 871 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11); 872 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); 873 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); 874 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13); 875 876 static ssize_t 877 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) 878 { 879 struct w83627hf_data *data = w83627hf_update_device(dev); 880 return sprintf(buf, "%ld\n", 881 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 882 } 883 884 static ssize_t 885 beep_mask_store(struct device *dev, struct device_attribute *attr, 886 const char *buf, size_t count) 887 { 888 struct w83627hf_data *data = dev_get_drvdata(dev); 889 unsigned long val; 890 int err; 891 892 err = kstrtoul(buf, 10, &val); 893 if (err) 894 return err; 895 896 mutex_lock(&data->update_lock); 897 898 /* preserve beep enable */ 899 data->beep_mask = (data->beep_mask & 0x8000) 900 | BEEP_MASK_TO_REG(val); 901 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 902 data->beep_mask & 0xff); 903 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 904 ((data->beep_mask) >> 16) & 0xff); 905 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 906 (data->beep_mask >> 8) & 0xff); 907 908 mutex_unlock(&data->update_lock); 909 return count; 910 } 911 912 static DEVICE_ATTR_RW(beep_mask); 913 914 static ssize_t 915 beep_show(struct device *dev, struct device_attribute *attr, char *buf) 916 { 917 struct w83627hf_data *data = w83627hf_update_device(dev); 918 int bitnr = to_sensor_dev_attr(attr)->index; 919 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 920 } 921 922 static ssize_t 923 beep_store(struct device *dev, struct device_attribute *attr, const char *buf, 924 size_t count) 925 { 926 struct w83627hf_data *data = dev_get_drvdata(dev); 927 int bitnr = to_sensor_dev_attr(attr)->index; 928 u8 reg; 929 unsigned long bit; 930 int err; 931 932 err = kstrtoul(buf, 10, &bit); 933 if (err) 934 return err; 935 936 if (bit & ~1) 937 return -EINVAL; 938 939 mutex_lock(&data->update_lock); 940 if (bit) 941 data->beep_mask |= (1 << bitnr); 942 else 943 data->beep_mask &= ~(1 << bitnr); 944 945 if (bitnr < 8) { 946 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 947 if (bit) 948 reg |= (1 << bitnr); 949 else 950 reg &= ~(1 << bitnr); 951 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 952 } else if (bitnr < 16) { 953 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 954 if (bit) 955 reg |= (1 << (bitnr - 8)); 956 else 957 reg &= ~(1 << (bitnr - 8)); 958 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 959 } else { 960 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 961 if (bit) 962 reg |= (1 << (bitnr - 16)); 963 else 964 reg &= ~(1 << (bitnr - 16)); 965 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 966 } 967 mutex_unlock(&data->update_lock); 968 969 return count; 970 } 971 972 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0); 973 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1); 974 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2); 975 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3); 976 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8); 977 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9); 978 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10); 979 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16); 980 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17); 981 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6); 982 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7); 983 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11); 984 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4); 985 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5); 986 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13); 987 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15); 988 989 static ssize_t 990 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) 991 { 992 int nr = to_sensor_dev_attr(devattr)->index; 993 struct w83627hf_data *data = w83627hf_update_device(dev); 994 return sprintf(buf, "%ld\n", 995 (long) DIV_FROM_REG(data->fan_div[nr])); 996 } 997 /* 998 * Note: we save and restore the fan minimum here, because its value is 999 * determined in part by the fan divisor. This follows the principle of 1000 * least surprise; the user doesn't expect the fan minimum to change just 1001 * because the divisor changed. 1002 */ 1003 static ssize_t 1004 fan_div_store(struct device *dev, struct device_attribute *devattr, 1005 const char *buf, size_t count) 1006 { 1007 int nr = to_sensor_dev_attr(devattr)->index; 1008 struct w83627hf_data *data = dev_get_drvdata(dev); 1009 unsigned long min; 1010 u8 reg; 1011 unsigned long val; 1012 int err; 1013 1014 err = kstrtoul(buf, 10, &val); 1015 if (err) 1016 return err; 1017 1018 mutex_lock(&data->update_lock); 1019 1020 /* Save fan_min */ 1021 min = FAN_FROM_REG(data->fan_min[nr], 1022 DIV_FROM_REG(data->fan_div[nr])); 1023 1024 data->fan_div[nr] = DIV_TO_REG(val); 1025 1026 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 1027 & (nr==0 ? 0xcf : 0x3f)) 1028 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 1029 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 1030 1031 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 1032 & ~(1 << (5 + nr))) 1033 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 1034 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 1035 1036 /* Restore fan_min */ 1037 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 1038 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 1039 1040 mutex_unlock(&data->update_lock); 1041 return count; 1042 } 1043 1044 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); 1045 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); 1046 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2); 1047 1048 static ssize_t 1049 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) 1050 { 1051 int nr = to_sensor_dev_attr(devattr)->index; 1052 struct w83627hf_data *data = w83627hf_update_device(dev); 1053 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 1054 } 1055 1056 static ssize_t 1057 pwm_store(struct device *dev, struct device_attribute *devattr, 1058 const char *buf, size_t count) 1059 { 1060 int nr = to_sensor_dev_attr(devattr)->index; 1061 struct w83627hf_data *data = dev_get_drvdata(dev); 1062 unsigned long val; 1063 int err; 1064 1065 err = kstrtoul(buf, 10, &val); 1066 if (err) 1067 return err; 1068 1069 mutex_lock(&data->update_lock); 1070 1071 if (data->type == w83627thf) { 1072 /* bits 0-3 are reserved in 627THF */ 1073 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 1074 w83627hf_write_value(data, 1075 W836X7HF_REG_PWM(data->type, nr), 1076 data->pwm[nr] | 1077 (w83627hf_read_value(data, 1078 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 1079 } else { 1080 data->pwm[nr] = PWM_TO_REG(val); 1081 w83627hf_write_value(data, 1082 W836X7HF_REG_PWM(data->type, nr), 1083 data->pwm[nr]); 1084 } 1085 1086 mutex_unlock(&data->update_lock); 1087 return count; 1088 } 1089 1090 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); 1091 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); 1092 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); 1093 1094 static ssize_t 1095 pwm_enable_show(struct device *dev, struct device_attribute *devattr, 1096 char *buf) 1097 { 1098 int nr = to_sensor_dev_attr(devattr)->index; 1099 struct w83627hf_data *data = w83627hf_update_device(dev); 1100 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 1101 } 1102 1103 static ssize_t 1104 pwm_enable_store(struct device *dev, struct device_attribute *devattr, 1105 const char *buf, size_t count) 1106 { 1107 int nr = to_sensor_dev_attr(devattr)->index; 1108 struct w83627hf_data *data = dev_get_drvdata(dev); 1109 u8 reg; 1110 unsigned long val; 1111 int err; 1112 1113 err = kstrtoul(buf, 10, &val); 1114 if (err) 1115 return err; 1116 1117 if (!val || val > 3) /* modes 1, 2 and 3 are supported */ 1118 return -EINVAL; 1119 mutex_lock(&data->update_lock); 1120 data->pwm_enable[nr] = val; 1121 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 1122 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 1123 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 1124 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 1125 mutex_unlock(&data->update_lock); 1126 return count; 1127 } 1128 1129 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); 1130 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); 1131 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); 1132 1133 static ssize_t 1134 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf) 1135 { 1136 int nr = to_sensor_dev_attr(devattr)->index; 1137 struct w83627hf_data *data = w83627hf_update_device(dev); 1138 if (data->type == w83627hf) 1139 return sprintf(buf, "%ld\n", 1140 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1141 else 1142 return sprintf(buf, "%ld\n", 1143 pwm_freq_from_reg(data->pwm_freq[nr])); 1144 } 1145 1146 static ssize_t 1147 pwm_freq_store(struct device *dev, struct device_attribute *devattr, 1148 const char *buf, size_t count) 1149 { 1150 int nr = to_sensor_dev_attr(devattr)->index; 1151 struct w83627hf_data *data = dev_get_drvdata(dev); 1152 static const u8 mask[]={0xF8, 0x8F}; 1153 unsigned long val; 1154 int err; 1155 1156 err = kstrtoul(buf, 10, &val); 1157 if (err) 1158 return err; 1159 1160 mutex_lock(&data->update_lock); 1161 1162 if (data->type == w83627hf) { 1163 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1164 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1165 (data->pwm_freq[nr] << (nr*4)) | 1166 (w83627hf_read_value(data, 1167 W83627HF_REG_PWM_FREQ) & mask[nr])); 1168 } else { 1169 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1170 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1171 data->pwm_freq[nr]); 1172 } 1173 1174 mutex_unlock(&data->update_lock); 1175 return count; 1176 } 1177 1178 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); 1179 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); 1180 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); 1181 1182 static ssize_t 1183 temp_type_show(struct device *dev, struct device_attribute *devattr, 1184 char *buf) 1185 { 1186 int nr = to_sensor_dev_attr(devattr)->index; 1187 struct w83627hf_data *data = w83627hf_update_device(dev); 1188 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1189 } 1190 1191 static ssize_t 1192 temp_type_store(struct device *dev, struct device_attribute *devattr, 1193 const char *buf, size_t count) 1194 { 1195 int nr = to_sensor_dev_attr(devattr)->index; 1196 struct w83627hf_data *data = dev_get_drvdata(dev); 1197 unsigned long val; 1198 u32 tmp; 1199 int err; 1200 1201 err = kstrtoul(buf, 10, &val); 1202 if (err) 1203 return err; 1204 1205 mutex_lock(&data->update_lock); 1206 1207 switch (val) { 1208 case 1: /* PII/Celeron diode */ 1209 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1210 w83627hf_write_value(data, W83781D_REG_SCFG1, 1211 tmp | BIT_SCFG1[nr]); 1212 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1213 w83627hf_write_value(data, W83781D_REG_SCFG2, 1214 tmp | BIT_SCFG2[nr]); 1215 data->sens[nr] = val; 1216 break; 1217 case 2: /* 3904 */ 1218 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1219 w83627hf_write_value(data, W83781D_REG_SCFG1, 1220 tmp | BIT_SCFG1[nr]); 1221 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1222 w83627hf_write_value(data, W83781D_REG_SCFG2, 1223 tmp & ~BIT_SCFG2[nr]); 1224 data->sens[nr] = val; 1225 break; 1226 case W83781D_DEFAULT_BETA: 1227 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1228 "instead\n", W83781D_DEFAULT_BETA); 1229 /* fall through */ 1230 case 4: /* thermistor */ 1231 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1232 w83627hf_write_value(data, W83781D_REG_SCFG1, 1233 tmp & ~BIT_SCFG1[nr]); 1234 data->sens[nr] = val; 1235 break; 1236 default: 1237 dev_err(dev, 1238 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1239 (long) val); 1240 break; 1241 } 1242 1243 mutex_unlock(&data->update_lock); 1244 return count; 1245 } 1246 1247 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0); 1248 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1); 1249 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2); 1250 1251 static ssize_t 1252 name_show(struct device *dev, struct device_attribute *devattr, char *buf) 1253 { 1254 struct w83627hf_data *data = dev_get_drvdata(dev); 1255 1256 return sprintf(buf, "%s\n", data->name); 1257 } 1258 static DEVICE_ATTR_RO(name); 1259 1260 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1261 struct w83627hf_sio_data *sio_data) 1262 { 1263 int err; 1264 u16 val; 1265 1266 static __initconst char *const names[] = { 1267 "W83627HF", 1268 "W83627THF", 1269 "W83697HF", 1270 "W83637HF", 1271 "W83687THF", 1272 }; 1273 1274 sio_data->sioaddr = sioaddr; 1275 err = superio_enter(sio_data); 1276 if (err) 1277 return err; 1278 1279 err = -ENODEV; 1280 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1281 switch (val) { 1282 case W627_DEVID: 1283 sio_data->type = w83627hf; 1284 break; 1285 case W627THF_DEVID: 1286 sio_data->type = w83627thf; 1287 break; 1288 case W697_DEVID: 1289 sio_data->type = w83697hf; 1290 break; 1291 case W637_DEVID: 1292 sio_data->type = w83637hf; 1293 break; 1294 case W687THF_DEVID: 1295 sio_data->type = w83687thf; 1296 break; 1297 case 0xff: /* No device at all */ 1298 goto exit; 1299 default: 1300 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1301 goto exit; 1302 } 1303 1304 superio_select(sio_data, W83627HF_LD_HWM); 1305 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1306 superio_inb(sio_data, WINB_BASE_REG + 1); 1307 *addr = val & WINB_ALIGNMENT; 1308 if (*addr == 0) { 1309 pr_warn("Base address not set, skipping\n"); 1310 goto exit; 1311 } 1312 1313 val = superio_inb(sio_data, WINB_ACT_REG); 1314 if (!(val & 0x01)) { 1315 pr_warn("Enabling HWM logical device\n"); 1316 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1317 } 1318 1319 err = 0; 1320 pr_info(DRVNAME ": Found %s chip at %#x\n", 1321 names[sio_data->type], *addr); 1322 1323 exit: 1324 superio_exit(sio_data); 1325 return err; 1326 } 1327 1328 #define VIN_UNIT_ATTRS(_X_) \ 1329 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1330 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1331 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1332 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1333 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1334 1335 #define FAN_UNIT_ATTRS(_X_) \ 1336 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1337 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1338 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1339 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1340 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1341 1342 #define TEMP_UNIT_ATTRS(_X_) \ 1343 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1344 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1345 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1346 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1347 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1348 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1349 1350 static struct attribute *w83627hf_attributes[] = { 1351 &dev_attr_in0_input.attr, 1352 &dev_attr_in0_min.attr, 1353 &dev_attr_in0_max.attr, 1354 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1355 &sensor_dev_attr_in0_beep.dev_attr.attr, 1356 VIN_UNIT_ATTRS(2), 1357 VIN_UNIT_ATTRS(3), 1358 VIN_UNIT_ATTRS(4), 1359 VIN_UNIT_ATTRS(7), 1360 VIN_UNIT_ATTRS(8), 1361 1362 FAN_UNIT_ATTRS(1), 1363 FAN_UNIT_ATTRS(2), 1364 1365 TEMP_UNIT_ATTRS(1), 1366 TEMP_UNIT_ATTRS(2), 1367 1368 &dev_attr_alarms.attr, 1369 &sensor_dev_attr_beep_enable.dev_attr.attr, 1370 &dev_attr_beep_mask.attr, 1371 1372 &sensor_dev_attr_pwm1.dev_attr.attr, 1373 &sensor_dev_attr_pwm2.dev_attr.attr, 1374 &dev_attr_name.attr, 1375 NULL 1376 }; 1377 1378 static const struct attribute_group w83627hf_group = { 1379 .attrs = w83627hf_attributes, 1380 }; 1381 1382 static struct attribute *w83627hf_attributes_opt[] = { 1383 VIN_UNIT_ATTRS(1), 1384 VIN_UNIT_ATTRS(5), 1385 VIN_UNIT_ATTRS(6), 1386 1387 FAN_UNIT_ATTRS(3), 1388 TEMP_UNIT_ATTRS(3), 1389 &sensor_dev_attr_pwm3.dev_attr.attr, 1390 1391 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1392 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1393 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1394 1395 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1396 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1397 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1398 1399 NULL 1400 }; 1401 1402 static const struct attribute_group w83627hf_group_opt = { 1403 .attrs = w83627hf_attributes_opt, 1404 }; 1405 1406 static int w83627hf_probe(struct platform_device *pdev) 1407 { 1408 struct device *dev = &pdev->dev; 1409 struct w83627hf_sio_data *sio_data = dev_get_platdata(dev); 1410 struct w83627hf_data *data; 1411 struct resource *res; 1412 int err, i; 1413 1414 static const char *names[] = { 1415 "w83627hf", 1416 "w83627thf", 1417 "w83697hf", 1418 "w83637hf", 1419 "w83687thf", 1420 }; 1421 1422 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1423 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { 1424 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1425 (unsigned long)res->start, 1426 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1427 return -EBUSY; 1428 } 1429 1430 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL); 1431 if (!data) 1432 return -ENOMEM; 1433 1434 data->addr = res->start; 1435 data->type = sio_data->type; 1436 data->name = names[sio_data->type]; 1437 mutex_init(&data->lock); 1438 mutex_init(&data->update_lock); 1439 platform_set_drvdata(pdev, data); 1440 1441 /* Initialize the chip */ 1442 w83627hf_init_device(pdev); 1443 1444 /* A few vars need to be filled upon startup */ 1445 for (i = 0; i <= 2; i++) 1446 data->fan_min[i] = w83627hf_read_value( 1447 data, W83627HF_REG_FAN_MIN(i)); 1448 w83627hf_update_fan_div(data); 1449 1450 /* Register common device attributes */ 1451 err = sysfs_create_group(&dev->kobj, &w83627hf_group); 1452 if (err) 1453 return err; 1454 1455 /* Register chip-specific device attributes */ 1456 if (data->type == w83627hf || data->type == w83697hf) 1457 if ((err = device_create_file(dev, 1458 &sensor_dev_attr_in5_input.dev_attr)) 1459 || (err = device_create_file(dev, 1460 &sensor_dev_attr_in5_min.dev_attr)) 1461 || (err = device_create_file(dev, 1462 &sensor_dev_attr_in5_max.dev_attr)) 1463 || (err = device_create_file(dev, 1464 &sensor_dev_attr_in5_alarm.dev_attr)) 1465 || (err = device_create_file(dev, 1466 &sensor_dev_attr_in5_beep.dev_attr)) 1467 || (err = device_create_file(dev, 1468 &sensor_dev_attr_in6_input.dev_attr)) 1469 || (err = device_create_file(dev, 1470 &sensor_dev_attr_in6_min.dev_attr)) 1471 || (err = device_create_file(dev, 1472 &sensor_dev_attr_in6_max.dev_attr)) 1473 || (err = device_create_file(dev, 1474 &sensor_dev_attr_in6_alarm.dev_attr)) 1475 || (err = device_create_file(dev, 1476 &sensor_dev_attr_in6_beep.dev_attr)) 1477 || (err = device_create_file(dev, 1478 &sensor_dev_attr_pwm1_freq.dev_attr)) 1479 || (err = device_create_file(dev, 1480 &sensor_dev_attr_pwm2_freq.dev_attr))) 1481 goto error; 1482 1483 if (data->type != w83697hf) 1484 if ((err = device_create_file(dev, 1485 &sensor_dev_attr_in1_input.dev_attr)) 1486 || (err = device_create_file(dev, 1487 &sensor_dev_attr_in1_min.dev_attr)) 1488 || (err = device_create_file(dev, 1489 &sensor_dev_attr_in1_max.dev_attr)) 1490 || (err = device_create_file(dev, 1491 &sensor_dev_attr_in1_alarm.dev_attr)) 1492 || (err = device_create_file(dev, 1493 &sensor_dev_attr_in1_beep.dev_attr)) 1494 || (err = device_create_file(dev, 1495 &sensor_dev_attr_fan3_input.dev_attr)) 1496 || (err = device_create_file(dev, 1497 &sensor_dev_attr_fan3_min.dev_attr)) 1498 || (err = device_create_file(dev, 1499 &sensor_dev_attr_fan3_div.dev_attr)) 1500 || (err = device_create_file(dev, 1501 &sensor_dev_attr_fan3_alarm.dev_attr)) 1502 || (err = device_create_file(dev, 1503 &sensor_dev_attr_fan3_beep.dev_attr)) 1504 || (err = device_create_file(dev, 1505 &sensor_dev_attr_temp3_input.dev_attr)) 1506 || (err = device_create_file(dev, 1507 &sensor_dev_attr_temp3_max.dev_attr)) 1508 || (err = device_create_file(dev, 1509 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1510 || (err = device_create_file(dev, 1511 &sensor_dev_attr_temp3_alarm.dev_attr)) 1512 || (err = device_create_file(dev, 1513 &sensor_dev_attr_temp3_beep.dev_attr)) 1514 || (err = device_create_file(dev, 1515 &sensor_dev_attr_temp3_type.dev_attr))) 1516 goto error; 1517 1518 if (data->type != w83697hf && data->vid != 0xff) { 1519 /* Convert VID to voltage based on VRM */ 1520 data->vrm = vid_which_vrm(); 1521 1522 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1523 || (err = device_create_file(dev, &dev_attr_vrm))) 1524 goto error; 1525 } 1526 1527 if (data->type == w83627thf || data->type == w83637hf 1528 || data->type == w83687thf) { 1529 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr); 1530 if (err) 1531 goto error; 1532 } 1533 1534 if (data->type == w83637hf || data->type == w83687thf) 1535 if ((err = device_create_file(dev, 1536 &sensor_dev_attr_pwm1_freq.dev_attr)) 1537 || (err = device_create_file(dev, 1538 &sensor_dev_attr_pwm2_freq.dev_attr)) 1539 || (err = device_create_file(dev, 1540 &sensor_dev_attr_pwm3_freq.dev_attr))) 1541 goto error; 1542 1543 if (data->type != w83627hf) 1544 if ((err = device_create_file(dev, 1545 &sensor_dev_attr_pwm1_enable.dev_attr)) 1546 || (err = device_create_file(dev, 1547 &sensor_dev_attr_pwm2_enable.dev_attr))) 1548 goto error; 1549 1550 if (data->type == w83627thf || data->type == w83637hf 1551 || data->type == w83687thf) { 1552 err = device_create_file(dev, 1553 &sensor_dev_attr_pwm3_enable.dev_attr); 1554 if (err) 1555 goto error; 1556 } 1557 1558 data->hwmon_dev = hwmon_device_register(dev); 1559 if (IS_ERR(data->hwmon_dev)) { 1560 err = PTR_ERR(data->hwmon_dev); 1561 goto error; 1562 } 1563 1564 return 0; 1565 1566 error: 1567 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1568 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1569 return err; 1570 } 1571 1572 static int w83627hf_remove(struct platform_device *pdev) 1573 { 1574 struct w83627hf_data *data = platform_get_drvdata(pdev); 1575 1576 hwmon_device_unregister(data->hwmon_dev); 1577 1578 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1579 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1580 1581 return 0; 1582 } 1583 1584 /* Registers 0x50-0x5f are banked */ 1585 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1586 { 1587 if ((reg & 0x00f0) == 0x50) { 1588 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1589 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1590 } 1591 } 1592 1593 /* Not strictly necessary, but play it safe for now */ 1594 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1595 { 1596 if (reg & 0xff00) { 1597 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1598 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1599 } 1600 } 1601 1602 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1603 { 1604 int res, word_sized; 1605 1606 mutex_lock(&data->lock); 1607 word_sized = (((reg & 0xff00) == 0x100) 1608 || ((reg & 0xff00) == 0x200)) 1609 && (((reg & 0x00ff) == 0x50) 1610 || ((reg & 0x00ff) == 0x53) 1611 || ((reg & 0x00ff) == 0x55)); 1612 w83627hf_set_bank(data, reg); 1613 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1614 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1615 if (word_sized) { 1616 outb_p((reg & 0xff) + 1, 1617 data->addr + W83781D_ADDR_REG_OFFSET); 1618 res = 1619 (res << 8) + inb_p(data->addr + 1620 W83781D_DATA_REG_OFFSET); 1621 } 1622 w83627hf_reset_bank(data, reg); 1623 mutex_unlock(&data->lock); 1624 return res; 1625 } 1626 1627 static int w83627thf_read_gpio5(struct platform_device *pdev) 1628 { 1629 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 1630 int res = 0xff, sel; 1631 1632 if (superio_enter(sio_data)) { 1633 /* 1634 * Some other driver reserved the address space for itself. 1635 * We don't want to fail driver instantiation because of that, 1636 * so display a warning and keep going. 1637 */ 1638 dev_warn(&pdev->dev, 1639 "Can not read VID data: Failed to enable SuperIO access\n"); 1640 return res; 1641 } 1642 1643 superio_select(sio_data, W83627HF_LD_GPIO5); 1644 1645 res = 0xff; 1646 1647 /* Make sure these GPIO pins are enabled */ 1648 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 1649 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1650 goto exit; 1651 } 1652 1653 /* 1654 * Make sure the pins are configured for input 1655 * There must be at least five (VRM 9), and possibly 6 (VRM 10) 1656 */ 1657 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 1658 if ((sel & 0x1f) != 0x1f) { 1659 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1660 "function\n"); 1661 goto exit; 1662 } 1663 1664 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1665 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 1666 1667 exit: 1668 superio_exit(sio_data); 1669 return res; 1670 } 1671 1672 static int w83687thf_read_vid(struct platform_device *pdev) 1673 { 1674 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 1675 int res = 0xff; 1676 1677 if (superio_enter(sio_data)) { 1678 /* 1679 * Some other driver reserved the address space for itself. 1680 * We don't want to fail driver instantiation because of that, 1681 * so display a warning and keep going. 1682 */ 1683 dev_warn(&pdev->dev, 1684 "Can not read VID data: Failed to enable SuperIO access\n"); 1685 return res; 1686 } 1687 1688 superio_select(sio_data, W83627HF_LD_HWM); 1689 1690 /* Make sure these GPIO pins are enabled */ 1691 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 1692 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1693 goto exit; 1694 } 1695 1696 /* Make sure the pins are configured for input */ 1697 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 1698 dev_dbg(&pdev->dev, "VID configured as output, " 1699 "no VID function\n"); 1700 goto exit; 1701 } 1702 1703 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 1704 1705 exit: 1706 superio_exit(sio_data); 1707 return res; 1708 } 1709 1710 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1711 { 1712 int word_sized; 1713 1714 mutex_lock(&data->lock); 1715 word_sized = (((reg & 0xff00) == 0x100) 1716 || ((reg & 0xff00) == 0x200)) 1717 && (((reg & 0x00ff) == 0x53) 1718 || ((reg & 0x00ff) == 0x55)); 1719 w83627hf_set_bank(data, reg); 1720 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1721 if (word_sized) { 1722 outb_p(value >> 8, 1723 data->addr + W83781D_DATA_REG_OFFSET); 1724 outb_p((reg & 0xff) + 1, 1725 data->addr + W83781D_ADDR_REG_OFFSET); 1726 } 1727 outb_p(value & 0xff, 1728 data->addr + W83781D_DATA_REG_OFFSET); 1729 w83627hf_reset_bank(data, reg); 1730 mutex_unlock(&data->lock); 1731 return 0; 1732 } 1733 1734 static void w83627hf_init_device(struct platform_device *pdev) 1735 { 1736 struct w83627hf_data *data = platform_get_drvdata(pdev); 1737 int i; 1738 enum chips type = data->type; 1739 u8 tmp; 1740 1741 /* Minimize conflicts with other winbond i2c-only clients... */ 1742 /* disable i2c subclients... how to disable main i2c client?? */ 1743 /* force i2c address to relatively uncommon address */ 1744 if (type == w83627hf) { 1745 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1746 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1747 } 1748 1749 /* Read VID only once */ 1750 if (type == w83627hf || type == w83637hf) { 1751 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1752 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1753 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1754 } else if (type == w83627thf) { 1755 data->vid = w83627thf_read_gpio5(pdev); 1756 } else if (type == w83687thf) { 1757 data->vid = w83687thf_read_vid(pdev); 1758 } 1759 1760 /* Read VRM & OVT Config only once */ 1761 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1762 data->vrm_ovt = 1763 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1764 } 1765 1766 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1767 for (i = 1; i <= 3; i++) { 1768 if (!(tmp & BIT_SCFG1[i - 1])) { 1769 data->sens[i - 1] = 4; 1770 } else { 1771 if (w83627hf_read_value 1772 (data, 1773 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1774 data->sens[i - 1] = 1; 1775 else 1776 data->sens[i - 1] = 2; 1777 } 1778 if ((type == w83697hf) && (i == 2)) 1779 break; 1780 } 1781 1782 if(init) { 1783 /* Enable temp2 */ 1784 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1785 if (tmp & 0x01) { 1786 dev_warn(&pdev->dev, "Enabling temp2, readings " 1787 "might not make sense\n"); 1788 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1789 tmp & 0xfe); 1790 } 1791 1792 /* Enable temp3 */ 1793 if (type != w83697hf) { 1794 tmp = w83627hf_read_value(data, 1795 W83627HF_REG_TEMP3_CONFIG); 1796 if (tmp & 0x01) { 1797 dev_warn(&pdev->dev, "Enabling temp3, " 1798 "readings might not make sense\n"); 1799 w83627hf_write_value(data, 1800 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1801 } 1802 } 1803 } 1804 1805 /* Start monitoring */ 1806 w83627hf_write_value(data, W83781D_REG_CONFIG, 1807 (w83627hf_read_value(data, 1808 W83781D_REG_CONFIG) & 0xf7) 1809 | 0x01); 1810 1811 /* Enable VBAT monitoring if needed */ 1812 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1813 if (!(tmp & 0x01)) 1814 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1815 } 1816 1817 static void w83627hf_update_fan_div(struct w83627hf_data *data) 1818 { 1819 int reg; 1820 1821 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1822 data->fan_div[0] = (reg >> 4) & 0x03; 1823 data->fan_div[1] = (reg >> 6) & 0x03; 1824 if (data->type != w83697hf) { 1825 data->fan_div[2] = (w83627hf_read_value(data, 1826 W83781D_REG_PIN) >> 6) & 0x03; 1827 } 1828 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1829 data->fan_div[0] |= (reg >> 3) & 0x04; 1830 data->fan_div[1] |= (reg >> 4) & 0x04; 1831 if (data->type != w83697hf) 1832 data->fan_div[2] |= (reg >> 5) & 0x04; 1833 } 1834 1835 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1836 { 1837 struct w83627hf_data *data = dev_get_drvdata(dev); 1838 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1839 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1840 1841 mutex_lock(&data->update_lock); 1842 1843 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1844 || !data->valid) { 1845 for (i = 0; i <= 8; i++) { 1846 /* skip missing sensors */ 1847 if (((data->type == w83697hf) && (i == 1)) || 1848 ((data->type != w83627hf && data->type != w83697hf) 1849 && (i == 5 || i == 6))) 1850 continue; 1851 data->in[i] = 1852 w83627hf_read_value(data, W83781D_REG_IN(i)); 1853 data->in_min[i] = 1854 w83627hf_read_value(data, 1855 W83781D_REG_IN_MIN(i)); 1856 data->in_max[i] = 1857 w83627hf_read_value(data, 1858 W83781D_REG_IN_MAX(i)); 1859 } 1860 for (i = 0; i <= 2; i++) { 1861 data->fan[i] = 1862 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1863 data->fan_min[i] = 1864 w83627hf_read_value(data, 1865 W83627HF_REG_FAN_MIN(i)); 1866 } 1867 for (i = 0; i <= 2; i++) { 1868 u8 tmp = w83627hf_read_value(data, 1869 W836X7HF_REG_PWM(data->type, i)); 1870 /* bits 0-3 are reserved in 627THF */ 1871 if (data->type == w83627thf) 1872 tmp &= 0xf0; 1873 data->pwm[i] = tmp; 1874 if (i == 1 && 1875 (data->type == w83627hf || data->type == w83697hf)) 1876 break; 1877 } 1878 if (data->type == w83627hf) { 1879 u8 tmp = w83627hf_read_value(data, 1880 W83627HF_REG_PWM_FREQ); 1881 data->pwm_freq[0] = tmp & 0x07; 1882 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1883 } else if (data->type != w83627thf) { 1884 for (i = 1; i <= 3; i++) { 1885 data->pwm_freq[i - 1] = 1886 w83627hf_read_value(data, 1887 W83637HF_REG_PWM_FREQ[i - 1]); 1888 if (i == 2 && (data->type == w83697hf)) 1889 break; 1890 } 1891 } 1892 if (data->type != w83627hf) { 1893 for (i = 0; i < num_pwms; i++) { 1894 u8 tmp = w83627hf_read_value(data, 1895 W83627THF_REG_PWM_ENABLE[i]); 1896 data->pwm_enable[i] = 1897 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1898 & 0x03) + 1; 1899 } 1900 } 1901 for (i = 0; i < num_temps; i++) { 1902 data->temp[i] = w83627hf_read_value( 1903 data, w83627hf_reg_temp[i]); 1904 data->temp_max[i] = w83627hf_read_value( 1905 data, w83627hf_reg_temp_over[i]); 1906 data->temp_max_hyst[i] = w83627hf_read_value( 1907 data, w83627hf_reg_temp_hyst[i]); 1908 } 1909 1910 w83627hf_update_fan_div(data); 1911 1912 data->alarms = 1913 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1914 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1915 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1916 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1917 data->beep_mask = (i << 8) | 1918 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1919 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1920 data->last_updated = jiffies; 1921 data->valid = 1; 1922 } 1923 1924 mutex_unlock(&data->update_lock); 1925 1926 return data; 1927 } 1928 1929 static int __init w83627hf_device_add(unsigned short address, 1930 const struct w83627hf_sio_data *sio_data) 1931 { 1932 struct resource res = { 1933 .start = address + WINB_REGION_OFFSET, 1934 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1935 .name = DRVNAME, 1936 .flags = IORESOURCE_IO, 1937 }; 1938 int err; 1939 1940 err = acpi_check_resource_conflict(&res); 1941 if (err) 1942 goto exit; 1943 1944 pdev = platform_device_alloc(DRVNAME, address); 1945 if (!pdev) { 1946 err = -ENOMEM; 1947 pr_err("Device allocation failed\n"); 1948 goto exit; 1949 } 1950 1951 err = platform_device_add_resources(pdev, &res, 1); 1952 if (err) { 1953 pr_err("Device resource addition failed (%d)\n", err); 1954 goto exit_device_put; 1955 } 1956 1957 err = platform_device_add_data(pdev, sio_data, 1958 sizeof(struct w83627hf_sio_data)); 1959 if (err) { 1960 pr_err("Platform data allocation failed\n"); 1961 goto exit_device_put; 1962 } 1963 1964 err = platform_device_add(pdev); 1965 if (err) { 1966 pr_err("Device addition failed (%d)\n", err); 1967 goto exit_device_put; 1968 } 1969 1970 return 0; 1971 1972 exit_device_put: 1973 platform_device_put(pdev); 1974 exit: 1975 return err; 1976 } 1977 1978 static int __init sensors_w83627hf_init(void) 1979 { 1980 int err; 1981 unsigned short address; 1982 struct w83627hf_sio_data sio_data; 1983 1984 if (w83627hf_find(0x2e, &address, &sio_data) 1985 && w83627hf_find(0x4e, &address, &sio_data)) 1986 return -ENODEV; 1987 1988 err = platform_driver_register(&w83627hf_driver); 1989 if (err) 1990 goto exit; 1991 1992 /* Sets global pdev as a side effect */ 1993 err = w83627hf_device_add(address, &sio_data); 1994 if (err) 1995 goto exit_driver; 1996 1997 return 0; 1998 1999 exit_driver: 2000 platform_driver_unregister(&w83627hf_driver); 2001 exit: 2002 return err; 2003 } 2004 2005 static void __exit sensors_w83627hf_exit(void) 2006 { 2007 platform_device_unregister(pdev); 2008 platform_driver_unregister(&w83627hf_driver); 2009 } 2010 2011 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 2012 "Philip Edelbrock <phil@netroedge.com>, " 2013 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 2014 MODULE_DESCRIPTION("W83627HF driver"); 2015 MODULE_LICENSE("GPL"); 2016 2017 module_init(sensors_w83627hf_init); 2018 module_exit(sensors_w83627hf_exit); 2019