1 /* 2 w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware 3 monitoring 4 Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 5 Philip Edelbrock <phil@netroedge.com>, 6 and Mark Studebaker <mdsxyz123@yahoo.com> 7 Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> 8 Copyright (c) 2007 Jean Delvare <khali@linux-fr.org> 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25 /* 26 Supports following chips: 27 28 Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 29 w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 30 w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 31 w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 32 w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 33 w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 34 35 For other winbond chips, and for i2c support in the above chips, 36 use w83781d.c. 37 38 Note: automatic ("cruise") fan control for 697, 637 & 627thf not 39 supported yet. 40 */ 41 42 #include <linux/module.h> 43 #include <linux/init.h> 44 #include <linux/slab.h> 45 #include <linux/jiffies.h> 46 #include <linux/platform_device.h> 47 #include <linux/hwmon.h> 48 #include <linux/hwmon-sysfs.h> 49 #include <linux/hwmon-vid.h> 50 #include <linux/err.h> 51 #include <linux/mutex.h> 52 #include <linux/ioport.h> 53 #include <linux/acpi.h> 54 #include <asm/io.h> 55 #include "lm75.h" 56 57 static struct platform_device *pdev; 58 59 #define DRVNAME "w83627hf" 60 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 61 62 static u16 force_addr; 63 module_param(force_addr, ushort, 0); 64 MODULE_PARM_DESC(force_addr, 65 "Initialize the base address of the sensors"); 66 static u8 force_i2c = 0x1f; 67 module_param(force_i2c, byte, 0); 68 MODULE_PARM_DESC(force_i2c, 69 "Initialize the i2c address of the sensors"); 70 71 static int init = 1; 72 module_param(init, bool, 0); 73 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 74 75 static unsigned short force_id; 76 module_param(force_id, ushort, 0); 77 MODULE_PARM_DESC(force_id, "Override the detected device ID"); 78 79 /* modified from kernel/include/traps.c */ 80 static int REG; /* The register to read/write */ 81 #define DEV 0x07 /* Register: Logical device select */ 82 static int VAL; /* The value to read/write */ 83 84 /* logical device numbers for superio_select (below) */ 85 #define W83627HF_LD_FDC 0x00 86 #define W83627HF_LD_PRT 0x01 87 #define W83627HF_LD_UART1 0x02 88 #define W83627HF_LD_UART2 0x03 89 #define W83627HF_LD_KBC 0x05 90 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 91 #define W83627HF_LD_GAME 0x07 92 #define W83627HF_LD_MIDI 0x07 93 #define W83627HF_LD_GPIO1 0x07 94 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 95 #define W83627HF_LD_GPIO2 0x08 96 #define W83627HF_LD_GPIO3 0x09 97 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 98 #define W83627HF_LD_ACPI 0x0a 99 #define W83627HF_LD_HWM 0x0b 100 101 #define DEVID 0x20 /* Register: Device ID */ 102 103 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 104 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 105 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 106 107 #define W83687THF_VID_EN 0x29 /* w83687thf only */ 108 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 109 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 110 111 static inline void 112 superio_outb(int reg, int val) 113 { 114 outb(reg, REG); 115 outb(val, VAL); 116 } 117 118 static inline int 119 superio_inb(int reg) 120 { 121 outb(reg, REG); 122 return inb(VAL); 123 } 124 125 static inline void 126 superio_select(int ld) 127 { 128 outb(DEV, REG); 129 outb(ld, VAL); 130 } 131 132 static inline void 133 superio_enter(void) 134 { 135 outb(0x87, REG); 136 outb(0x87, REG); 137 } 138 139 static inline void 140 superio_exit(void) 141 { 142 outb(0xAA, REG); 143 } 144 145 #define W627_DEVID 0x52 146 #define W627THF_DEVID 0x82 147 #define W697_DEVID 0x60 148 #define W637_DEVID 0x70 149 #define W687THF_DEVID 0x85 150 #define WINB_ACT_REG 0x30 151 #define WINB_BASE_REG 0x60 152 /* Constants specified below */ 153 154 /* Alignment of the base address */ 155 #define WINB_ALIGNMENT ~7 156 157 /* Offset & size of I/O region we are interested in */ 158 #define WINB_REGION_OFFSET 5 159 #define WINB_REGION_SIZE 2 160 161 /* Where are the sensors address/data registers relative to the region offset */ 162 #define W83781D_ADDR_REG_OFFSET 0 163 #define W83781D_DATA_REG_OFFSET 1 164 165 /* The W83781D registers */ 166 /* The W83782D registers for nr=7,8 are in bank 5 */ 167 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 168 (0x554 + (((nr) - 7) * 2))) 169 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 170 (0x555 + (((nr) - 7) * 2))) 171 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 172 (0x550 + (nr) - 7)) 173 174 /* nr:0-2 for fans:1-3 */ 175 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 176 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 177 178 #define W83627HF_REG_TEMP2_CONFIG 0x152 179 #define W83627HF_REG_TEMP3_CONFIG 0x252 180 /* these are zero-based, unlike config constants above */ 181 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 182 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 183 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 184 185 #define W83781D_REG_BANK 0x4E 186 187 #define W83781D_REG_CONFIG 0x40 188 #define W83781D_REG_ALARM1 0x459 189 #define W83781D_REG_ALARM2 0x45A 190 #define W83781D_REG_ALARM3 0x45B 191 192 #define W83781D_REG_BEEP_CONFIG 0x4D 193 #define W83781D_REG_BEEP_INTS1 0x56 194 #define W83781D_REG_BEEP_INTS2 0x57 195 #define W83781D_REG_BEEP_INTS3 0x453 196 197 #define W83781D_REG_VID_FANDIV 0x47 198 199 #define W83781D_REG_CHIPID 0x49 200 #define W83781D_REG_WCHIPID 0x58 201 #define W83781D_REG_CHIPMAN 0x4F 202 #define W83781D_REG_PIN 0x4B 203 204 #define W83781D_REG_VBAT 0x5D 205 206 #define W83627HF_REG_PWM1 0x5A 207 #define W83627HF_REG_PWM2 0x5B 208 209 static const u8 W83627THF_REG_PWM_ENABLE[] = { 210 0x04, /* FAN 1 mode */ 211 0x04, /* FAN 2 mode */ 212 0x12, /* FAN AUX mode */ 213 }; 214 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 215 216 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 217 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 218 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 219 220 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 221 222 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 223 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 224 W83627THF_REG_PWM3 }; 225 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 226 regpwm_627hf[nr] : regpwm[nr]) 227 228 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 229 230 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 231 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 232 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 233 234 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 235 W83637HF_REG_PWM_FREQ2, 236 W83637HF_REG_PWM_FREQ3 }; 237 238 #define W83627HF_BASE_PWM_FREQ 46870 239 240 #define W83781D_REG_I2C_ADDR 0x48 241 #define W83781D_REG_I2C_SUBADDR 0x4A 242 243 /* Sensor selection */ 244 #define W83781D_REG_SCFG1 0x5D 245 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 246 #define W83781D_REG_SCFG2 0x59 247 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 248 #define W83781D_DEFAULT_BETA 3435 249 250 /* Conversions. Limit checking is only done on the TO_REG 251 variants. Note that you should be a bit careful with which arguments 252 these macros are called: arguments may be evaluated more than once. 253 Fixing this is just not worth it. */ 254 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 255 #define IN_FROM_REG(val) ((val) * 16) 256 257 static inline u8 FAN_TO_REG(long rpm, int div) 258 { 259 if (rpm == 0) 260 return 255; 261 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 262 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 263 254); 264 } 265 266 #define TEMP_MIN (-128000) 267 #define TEMP_MAX ( 127000) 268 269 /* TEMP: 0.001C/bit (-128C to +127C) 270 REG: 1C/bit, two's complement */ 271 static u8 TEMP_TO_REG(long temp) 272 { 273 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 274 ntemp += (ntemp<0 ? -500 : 500); 275 return (u8)(ntemp / 1000); 276 } 277 278 static int TEMP_FROM_REG(u8 reg) 279 { 280 return (s8)reg * 1000; 281 } 282 283 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 284 285 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 286 287 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 288 { 289 unsigned long freq; 290 freq = W83627HF_BASE_PWM_FREQ >> reg; 291 return freq; 292 } 293 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 294 { 295 u8 i; 296 /* Only 5 dividers (1 2 4 8 16) 297 Search for the nearest available frequency */ 298 for (i = 0; i < 4; i++) { 299 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 300 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 301 break; 302 } 303 return i; 304 } 305 306 static inline unsigned long pwm_freq_from_reg(u8 reg) 307 { 308 /* Clock bit 8 -> 180 kHz or 24 MHz */ 309 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 310 311 reg &= 0x7f; 312 /* This should not happen but anyway... */ 313 if (reg == 0) 314 reg++; 315 return (clock / (reg << 8)); 316 } 317 static inline u8 pwm_freq_to_reg(unsigned long val) 318 { 319 /* Minimum divider value is 0x01 and maximum is 0x7F */ 320 if (val >= 93750) /* The highest we can do */ 321 return 0x01; 322 if (val >= 720) /* Use 24 MHz clock */ 323 return (24000000UL / (val << 8)); 324 if (val < 6) /* The lowest we can do */ 325 return 0xFF; 326 else /* Use 180 kHz clock */ 327 return (0x80 | (180000UL / (val << 8))); 328 } 329 330 #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) 331 #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) 332 333 #define DIV_FROM_REG(val) (1 << (val)) 334 335 static inline u8 DIV_TO_REG(long val) 336 { 337 int i; 338 val = SENSORS_LIMIT(val, 1, 128) >> 1; 339 for (i = 0; i < 7; i++) { 340 if (val == 0) 341 break; 342 val >>= 1; 343 } 344 return ((u8) i); 345 } 346 347 /* For each registered chip, we need to keep some data in memory. 348 The structure is dynamically allocated. */ 349 struct w83627hf_data { 350 unsigned short addr; 351 const char *name; 352 struct device *hwmon_dev; 353 struct mutex lock; 354 enum chips type; 355 356 struct mutex update_lock; 357 char valid; /* !=0 if following fields are valid */ 358 unsigned long last_updated; /* In jiffies */ 359 360 u8 in[9]; /* Register value */ 361 u8 in_max[9]; /* Register value */ 362 u8 in_min[9]; /* Register value */ 363 u8 fan[3]; /* Register value */ 364 u8 fan_min[3]; /* Register value */ 365 u16 temp[3]; /* Register value */ 366 u16 temp_max[3]; /* Register value */ 367 u16 temp_max_hyst[3]; /* Register value */ 368 u8 fan_div[3]; /* Register encoding, shifted right */ 369 u8 vid; /* Register encoding, combined */ 370 u32 alarms; /* Register encoding, combined */ 371 u32 beep_mask; /* Register encoding, combined */ 372 u8 pwm[3]; /* Register value */ 373 u8 pwm_enable[3]; /* 1 = manual 374 2 = thermal cruise (also called SmartFan I) 375 3 = fan speed cruise */ 376 u8 pwm_freq[3]; /* Register value */ 377 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 378 4 = thermistor */ 379 u8 vrm; 380 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 381 }; 382 383 struct w83627hf_sio_data { 384 enum chips type; 385 }; 386 387 388 static int w83627hf_probe(struct platform_device *pdev); 389 static int __devexit w83627hf_remove(struct platform_device *pdev); 390 391 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 392 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 393 static void w83627hf_update_fan_div(struct w83627hf_data *data); 394 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 395 static void w83627hf_init_device(struct platform_device *pdev); 396 397 static struct platform_driver w83627hf_driver = { 398 .driver = { 399 .owner = THIS_MODULE, 400 .name = DRVNAME, 401 }, 402 .probe = w83627hf_probe, 403 .remove = __devexit_p(w83627hf_remove), 404 }; 405 406 static ssize_t 407 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) 408 { 409 int nr = to_sensor_dev_attr(devattr)->index; 410 struct w83627hf_data *data = w83627hf_update_device(dev); 411 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 412 } 413 static ssize_t 414 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) 415 { 416 int nr = to_sensor_dev_attr(devattr)->index; 417 struct w83627hf_data *data = w83627hf_update_device(dev); 418 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 419 } 420 static ssize_t 421 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) 422 { 423 int nr = to_sensor_dev_attr(devattr)->index; 424 struct w83627hf_data *data = w83627hf_update_device(dev); 425 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 426 } 427 static ssize_t 428 store_in_min(struct device *dev, struct device_attribute *devattr, 429 const char *buf, size_t count) 430 { 431 int nr = to_sensor_dev_attr(devattr)->index; 432 struct w83627hf_data *data = dev_get_drvdata(dev); 433 long val = simple_strtol(buf, NULL, 10); 434 435 mutex_lock(&data->update_lock); 436 data->in_min[nr] = IN_TO_REG(val); 437 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 438 mutex_unlock(&data->update_lock); 439 return count; 440 } 441 static ssize_t 442 store_in_max(struct device *dev, struct device_attribute *devattr, 443 const char *buf, size_t count) 444 { 445 int nr = to_sensor_dev_attr(devattr)->index; 446 struct w83627hf_data *data = dev_get_drvdata(dev); 447 long val = simple_strtol(buf, NULL, 10); 448 449 mutex_lock(&data->update_lock); 450 data->in_max[nr] = IN_TO_REG(val); 451 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 452 mutex_unlock(&data->update_lock); 453 return count; 454 } 455 #define sysfs_vin_decl(offset) \ 456 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 457 show_in_input, NULL, offset); \ 458 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ 459 show_in_min, store_in_min, offset); \ 460 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ 461 show_in_max, store_in_max, offset); 462 463 sysfs_vin_decl(1); 464 sysfs_vin_decl(2); 465 sysfs_vin_decl(3); 466 sysfs_vin_decl(4); 467 sysfs_vin_decl(5); 468 sysfs_vin_decl(6); 469 sysfs_vin_decl(7); 470 sysfs_vin_decl(8); 471 472 /* use a different set of functions for in0 */ 473 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 474 { 475 long in0; 476 477 if ((data->vrm_ovt & 0x01) && 478 (w83627thf == data->type || w83637hf == data->type 479 || w83687thf == data->type)) 480 481 /* use VRM9 calculation */ 482 in0 = (long)((reg * 488 + 70000 + 50) / 100); 483 else 484 /* use VRM8 (standard) calculation */ 485 in0 = (long)IN_FROM_REG(reg); 486 487 return sprintf(buf,"%ld\n", in0); 488 } 489 490 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) 491 { 492 struct w83627hf_data *data = w83627hf_update_device(dev); 493 return show_in_0(data, buf, data->in[0]); 494 } 495 496 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 497 { 498 struct w83627hf_data *data = w83627hf_update_device(dev); 499 return show_in_0(data, buf, data->in_min[0]); 500 } 501 502 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 503 { 504 struct w83627hf_data *data = w83627hf_update_device(dev); 505 return show_in_0(data, buf, data->in_max[0]); 506 } 507 508 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 509 const char *buf, size_t count) 510 { 511 struct w83627hf_data *data = dev_get_drvdata(dev); 512 u32 val; 513 514 val = simple_strtoul(buf, NULL, 10); 515 516 mutex_lock(&data->update_lock); 517 518 if ((data->vrm_ovt & 0x01) && 519 (w83627thf == data->type || w83637hf == data->type 520 || w83687thf == data->type)) 521 522 /* use VRM9 calculation */ 523 data->in_min[0] = 524 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 525 255); 526 else 527 /* use VRM8 (standard) calculation */ 528 data->in_min[0] = IN_TO_REG(val); 529 530 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 531 mutex_unlock(&data->update_lock); 532 return count; 533 } 534 535 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 536 const char *buf, size_t count) 537 { 538 struct w83627hf_data *data = dev_get_drvdata(dev); 539 u32 val; 540 541 val = simple_strtoul(buf, NULL, 10); 542 543 mutex_lock(&data->update_lock); 544 545 if ((data->vrm_ovt & 0x01) && 546 (w83627thf == data->type || w83637hf == data->type 547 || w83687thf == data->type)) 548 549 /* use VRM9 calculation */ 550 data->in_max[0] = 551 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 552 255); 553 else 554 /* use VRM8 (standard) calculation */ 555 data->in_max[0] = IN_TO_REG(val); 556 557 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 558 mutex_unlock(&data->update_lock); 559 return count; 560 } 561 562 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 563 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 564 show_regs_in_min0, store_regs_in_min0); 565 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 566 show_regs_in_max0, store_regs_in_max0); 567 568 static ssize_t 569 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) 570 { 571 int nr = to_sensor_dev_attr(devattr)->index; 572 struct w83627hf_data *data = w83627hf_update_device(dev); 573 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 574 (long)DIV_FROM_REG(data->fan_div[nr]))); 575 } 576 static ssize_t 577 show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) 578 { 579 int nr = to_sensor_dev_attr(devattr)->index; 580 struct w83627hf_data *data = w83627hf_update_device(dev); 581 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 582 (long)DIV_FROM_REG(data->fan_div[nr]))); 583 } 584 static ssize_t 585 store_fan_min(struct device *dev, struct device_attribute *devattr, 586 const char *buf, size_t count) 587 { 588 int nr = to_sensor_dev_attr(devattr)->index; 589 struct w83627hf_data *data = dev_get_drvdata(dev); 590 u32 val = simple_strtoul(buf, NULL, 10); 591 592 mutex_lock(&data->update_lock); 593 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 594 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 595 data->fan_min[nr]); 596 597 mutex_unlock(&data->update_lock); 598 return count; 599 } 600 #define sysfs_fan_decl(offset) \ 601 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 602 show_fan_input, NULL, offset - 1); \ 603 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 604 show_fan_min, store_fan_min, offset - 1); 605 606 sysfs_fan_decl(1); 607 sysfs_fan_decl(2); 608 sysfs_fan_decl(3); 609 610 static ssize_t 611 show_temp(struct device *dev, struct device_attribute *devattr, char *buf) 612 { 613 int nr = to_sensor_dev_attr(devattr)->index; 614 struct w83627hf_data *data = w83627hf_update_device(dev); 615 616 u16 tmp = data->temp[nr]; 617 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 618 : (long) TEMP_FROM_REG(tmp)); 619 } 620 621 static ssize_t 622 show_temp_max(struct device *dev, struct device_attribute *devattr, 623 char *buf) 624 { 625 int nr = to_sensor_dev_attr(devattr)->index; 626 struct w83627hf_data *data = w83627hf_update_device(dev); 627 628 u16 tmp = data->temp_max[nr]; 629 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 630 : (long) TEMP_FROM_REG(tmp)); 631 } 632 633 static ssize_t 634 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 635 char *buf) 636 { 637 int nr = to_sensor_dev_attr(devattr)->index; 638 struct w83627hf_data *data = w83627hf_update_device(dev); 639 640 u16 tmp = data->temp_max_hyst[nr]; 641 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 642 : (long) TEMP_FROM_REG(tmp)); 643 } 644 645 static ssize_t 646 store_temp_max(struct device *dev, struct device_attribute *devattr, 647 const char *buf, size_t count) 648 { 649 int nr = to_sensor_dev_attr(devattr)->index; 650 struct w83627hf_data *data = dev_get_drvdata(dev); 651 long val = simple_strtol(buf, NULL, 10); 652 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 653 654 mutex_lock(&data->update_lock); 655 data->temp_max[nr] = tmp; 656 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 657 mutex_unlock(&data->update_lock); 658 return count; 659 } 660 661 static ssize_t 662 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 663 const char *buf, size_t count) 664 { 665 int nr = to_sensor_dev_attr(devattr)->index; 666 struct w83627hf_data *data = dev_get_drvdata(dev); 667 long val = simple_strtol(buf, NULL, 10); 668 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 669 670 mutex_lock(&data->update_lock); 671 data->temp_max_hyst[nr] = tmp; 672 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 673 mutex_unlock(&data->update_lock); 674 return count; 675 } 676 677 #define sysfs_temp_decl(offset) \ 678 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 679 show_temp, NULL, offset - 1); \ 680 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ 681 show_temp_max, store_temp_max, offset - 1); \ 682 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ 683 show_temp_max_hyst, store_temp_max_hyst, offset - 1); 684 685 sysfs_temp_decl(1); 686 sysfs_temp_decl(2); 687 sysfs_temp_decl(3); 688 689 static ssize_t 690 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 691 { 692 struct w83627hf_data *data = w83627hf_update_device(dev); 693 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 694 } 695 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 696 697 static ssize_t 698 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 699 { 700 struct w83627hf_data *data = dev_get_drvdata(dev); 701 return sprintf(buf, "%ld\n", (long) data->vrm); 702 } 703 static ssize_t 704 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 705 { 706 struct w83627hf_data *data = dev_get_drvdata(dev); 707 u32 val; 708 709 val = simple_strtoul(buf, NULL, 10); 710 data->vrm = val; 711 712 return count; 713 } 714 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 715 716 static ssize_t 717 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 718 { 719 struct w83627hf_data *data = w83627hf_update_device(dev); 720 return sprintf(buf, "%ld\n", (long) data->alarms); 721 } 722 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 723 724 static ssize_t 725 show_alarm(struct device *dev, struct device_attribute *attr, char *buf) 726 { 727 struct w83627hf_data *data = w83627hf_update_device(dev); 728 int bitnr = to_sensor_dev_attr(attr)->index; 729 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 730 } 731 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 732 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 733 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 734 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 735 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 736 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 737 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); 738 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); 739 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); 740 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 741 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 742 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); 743 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 744 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 745 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); 746 747 static ssize_t 748 show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf) 749 { 750 struct w83627hf_data *data = w83627hf_update_device(dev); 751 return sprintf(buf, "%ld\n", 752 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 753 } 754 755 static ssize_t 756 store_beep_mask(struct device *dev, struct device_attribute *attr, 757 const char *buf, size_t count) 758 { 759 struct w83627hf_data *data = dev_get_drvdata(dev); 760 unsigned long val; 761 762 val = simple_strtoul(buf, NULL, 10); 763 764 mutex_lock(&data->update_lock); 765 766 /* preserve beep enable */ 767 data->beep_mask = (data->beep_mask & 0x8000) 768 | BEEP_MASK_TO_REG(val); 769 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 770 data->beep_mask & 0xff); 771 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 772 ((data->beep_mask) >> 16) & 0xff); 773 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 774 (data->beep_mask >> 8) & 0xff); 775 776 mutex_unlock(&data->update_lock); 777 return count; 778 } 779 780 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, 781 show_beep_mask, store_beep_mask); 782 783 static ssize_t 784 show_beep(struct device *dev, struct device_attribute *attr, char *buf) 785 { 786 struct w83627hf_data *data = w83627hf_update_device(dev); 787 int bitnr = to_sensor_dev_attr(attr)->index; 788 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 789 } 790 791 static ssize_t 792 store_beep(struct device *dev, struct device_attribute *attr, 793 const char *buf, size_t count) 794 { 795 struct w83627hf_data *data = dev_get_drvdata(dev); 796 int bitnr = to_sensor_dev_attr(attr)->index; 797 unsigned long bit; 798 u8 reg; 799 800 bit = simple_strtoul(buf, NULL, 10); 801 if (bit & ~1) 802 return -EINVAL; 803 804 mutex_lock(&data->update_lock); 805 if (bit) 806 data->beep_mask |= (1 << bitnr); 807 else 808 data->beep_mask &= ~(1 << bitnr); 809 810 if (bitnr < 8) { 811 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 812 if (bit) 813 reg |= (1 << bitnr); 814 else 815 reg &= ~(1 << bitnr); 816 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 817 } else if (bitnr < 16) { 818 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 819 if (bit) 820 reg |= (1 << (bitnr - 8)); 821 else 822 reg &= ~(1 << (bitnr - 8)); 823 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 824 } else { 825 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 826 if (bit) 827 reg |= (1 << (bitnr - 16)); 828 else 829 reg &= ~(1 << (bitnr - 16)); 830 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 831 } 832 mutex_unlock(&data->update_lock); 833 834 return count; 835 } 836 837 static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, 838 show_beep, store_beep, 0); 839 static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, 840 show_beep, store_beep, 1); 841 static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, 842 show_beep, store_beep, 2); 843 static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, 844 show_beep, store_beep, 3); 845 static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, 846 show_beep, store_beep, 8); 847 static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, 848 show_beep, store_beep, 9); 849 static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, 850 show_beep, store_beep, 10); 851 static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, 852 show_beep, store_beep, 16); 853 static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, 854 show_beep, store_beep, 17); 855 static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, 856 show_beep, store_beep, 6); 857 static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, 858 show_beep, store_beep, 7); 859 static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, 860 show_beep, store_beep, 11); 861 static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, 862 show_beep, store_beep, 4); 863 static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, 864 show_beep, store_beep, 5); 865 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO | S_IWUSR, 866 show_beep, store_beep, 13); 867 static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, 868 show_beep, store_beep, 15); 869 870 static ssize_t 871 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) 872 { 873 int nr = to_sensor_dev_attr(devattr)->index; 874 struct w83627hf_data *data = w83627hf_update_device(dev); 875 return sprintf(buf, "%ld\n", 876 (long) DIV_FROM_REG(data->fan_div[nr])); 877 } 878 /* Note: we save and restore the fan minimum here, because its value is 879 determined in part by the fan divisor. This follows the principle of 880 least surprise; the user doesn't expect the fan minimum to change just 881 because the divisor changed. */ 882 static ssize_t 883 store_fan_div(struct device *dev, struct device_attribute *devattr, 884 const char *buf, size_t count) 885 { 886 int nr = to_sensor_dev_attr(devattr)->index; 887 struct w83627hf_data *data = dev_get_drvdata(dev); 888 unsigned long min; 889 u8 reg; 890 unsigned long val = simple_strtoul(buf, NULL, 10); 891 892 mutex_lock(&data->update_lock); 893 894 /* Save fan_min */ 895 min = FAN_FROM_REG(data->fan_min[nr], 896 DIV_FROM_REG(data->fan_div[nr])); 897 898 data->fan_div[nr] = DIV_TO_REG(val); 899 900 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 901 & (nr==0 ? 0xcf : 0x3f)) 902 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 903 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 904 905 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 906 & ~(1 << (5 + nr))) 907 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 908 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 909 910 /* Restore fan_min */ 911 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 912 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 913 914 mutex_unlock(&data->update_lock); 915 return count; 916 } 917 918 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, 919 show_fan_div, store_fan_div, 0); 920 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, 921 show_fan_div, store_fan_div, 1); 922 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, 923 show_fan_div, store_fan_div, 2); 924 925 static ssize_t 926 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) 927 { 928 int nr = to_sensor_dev_attr(devattr)->index; 929 struct w83627hf_data *data = w83627hf_update_device(dev); 930 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 931 } 932 933 static ssize_t 934 store_pwm(struct device *dev, struct device_attribute *devattr, 935 const char *buf, size_t count) 936 { 937 int nr = to_sensor_dev_attr(devattr)->index; 938 struct w83627hf_data *data = dev_get_drvdata(dev); 939 u32 val = simple_strtoul(buf, NULL, 10); 940 941 mutex_lock(&data->update_lock); 942 943 if (data->type == w83627thf) { 944 /* bits 0-3 are reserved in 627THF */ 945 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 946 w83627hf_write_value(data, 947 W836X7HF_REG_PWM(data->type, nr), 948 data->pwm[nr] | 949 (w83627hf_read_value(data, 950 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 951 } else { 952 data->pwm[nr] = PWM_TO_REG(val); 953 w83627hf_write_value(data, 954 W836X7HF_REG_PWM(data->type, nr), 955 data->pwm[nr]); 956 } 957 958 mutex_unlock(&data->update_lock); 959 return count; 960 } 961 962 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); 963 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); 964 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); 965 966 static ssize_t 967 show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf) 968 { 969 int nr = to_sensor_dev_attr(devattr)->index; 970 struct w83627hf_data *data = w83627hf_update_device(dev); 971 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 972 } 973 974 static ssize_t 975 store_pwm_enable(struct device *dev, struct device_attribute *devattr, 976 const char *buf, size_t count) 977 { 978 int nr = to_sensor_dev_attr(devattr)->index; 979 struct w83627hf_data *data = dev_get_drvdata(dev); 980 unsigned long val = simple_strtoul(buf, NULL, 10); 981 u8 reg; 982 983 if (!val || (val > 3)) /* modes 1, 2 and 3 are supported */ 984 return -EINVAL; 985 mutex_lock(&data->update_lock); 986 data->pwm_enable[nr] = val; 987 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 988 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 989 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 990 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 991 mutex_unlock(&data->update_lock); 992 return count; 993 } 994 995 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 996 store_pwm_enable, 0); 997 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 998 store_pwm_enable, 1); 999 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable, 1000 store_pwm_enable, 2); 1001 1002 static ssize_t 1003 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) 1004 { 1005 int nr = to_sensor_dev_attr(devattr)->index; 1006 struct w83627hf_data *data = w83627hf_update_device(dev); 1007 if (data->type == w83627hf) 1008 return sprintf(buf, "%ld\n", 1009 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1010 else 1011 return sprintf(buf, "%ld\n", 1012 pwm_freq_from_reg(data->pwm_freq[nr])); 1013 } 1014 1015 static ssize_t 1016 store_pwm_freq(struct device *dev, struct device_attribute *devattr, 1017 const char *buf, size_t count) 1018 { 1019 int nr = to_sensor_dev_attr(devattr)->index; 1020 struct w83627hf_data *data = dev_get_drvdata(dev); 1021 static const u8 mask[]={0xF8, 0x8F}; 1022 u32 val; 1023 1024 val = simple_strtoul(buf, NULL, 10); 1025 1026 mutex_lock(&data->update_lock); 1027 1028 if (data->type == w83627hf) { 1029 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1030 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1031 (data->pwm_freq[nr] << (nr*4)) | 1032 (w83627hf_read_value(data, 1033 W83627HF_REG_PWM_FREQ) & mask[nr])); 1034 } else { 1035 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1036 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1037 data->pwm_freq[nr]); 1038 } 1039 1040 mutex_unlock(&data->update_lock); 1041 return count; 1042 } 1043 1044 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, 1045 show_pwm_freq, store_pwm_freq, 0); 1046 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, 1047 show_pwm_freq, store_pwm_freq, 1); 1048 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, 1049 show_pwm_freq, store_pwm_freq, 2); 1050 1051 static ssize_t 1052 show_temp_type(struct device *dev, struct device_attribute *devattr, 1053 char *buf) 1054 { 1055 int nr = to_sensor_dev_attr(devattr)->index; 1056 struct w83627hf_data *data = w83627hf_update_device(dev); 1057 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1058 } 1059 1060 static ssize_t 1061 store_temp_type(struct device *dev, struct device_attribute *devattr, 1062 const char *buf, size_t count) 1063 { 1064 int nr = to_sensor_dev_attr(devattr)->index; 1065 struct w83627hf_data *data = dev_get_drvdata(dev); 1066 u32 val, tmp; 1067 1068 val = simple_strtoul(buf, NULL, 10); 1069 1070 mutex_lock(&data->update_lock); 1071 1072 switch (val) { 1073 case 1: /* PII/Celeron diode */ 1074 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1075 w83627hf_write_value(data, W83781D_REG_SCFG1, 1076 tmp | BIT_SCFG1[nr]); 1077 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1078 w83627hf_write_value(data, W83781D_REG_SCFG2, 1079 tmp | BIT_SCFG2[nr]); 1080 data->sens[nr] = val; 1081 break; 1082 case 2: /* 3904 */ 1083 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1084 w83627hf_write_value(data, W83781D_REG_SCFG1, 1085 tmp | BIT_SCFG1[nr]); 1086 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1087 w83627hf_write_value(data, W83781D_REG_SCFG2, 1088 tmp & ~BIT_SCFG2[nr]); 1089 data->sens[nr] = val; 1090 break; 1091 case W83781D_DEFAULT_BETA: 1092 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1093 "instead\n", W83781D_DEFAULT_BETA); 1094 /* fall through */ 1095 case 4: /* thermistor */ 1096 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1097 w83627hf_write_value(data, W83781D_REG_SCFG1, 1098 tmp & ~BIT_SCFG1[nr]); 1099 data->sens[nr] = val; 1100 break; 1101 default: 1102 dev_err(dev, 1103 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1104 (long) val); 1105 break; 1106 } 1107 1108 mutex_unlock(&data->update_lock); 1109 return count; 1110 } 1111 1112 #define sysfs_temp_type(offset) \ 1113 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 1114 show_temp_type, store_temp_type, offset - 1); 1115 1116 sysfs_temp_type(1); 1117 sysfs_temp_type(2); 1118 sysfs_temp_type(3); 1119 1120 static ssize_t 1121 show_name(struct device *dev, struct device_attribute *devattr, char *buf) 1122 { 1123 struct w83627hf_data *data = dev_get_drvdata(dev); 1124 1125 return sprintf(buf, "%s\n", data->name); 1126 } 1127 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 1128 1129 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1130 struct w83627hf_sio_data *sio_data) 1131 { 1132 int err = -ENODEV; 1133 u16 val; 1134 1135 static const __initdata char *names[] = { 1136 "W83627HF", 1137 "W83627THF", 1138 "W83697HF", 1139 "W83637HF", 1140 "W83687THF", 1141 }; 1142 1143 REG = sioaddr; 1144 VAL = sioaddr + 1; 1145 1146 superio_enter(); 1147 val = force_id ? force_id : superio_inb(DEVID); 1148 switch (val) { 1149 case W627_DEVID: 1150 sio_data->type = w83627hf; 1151 break; 1152 case W627THF_DEVID: 1153 sio_data->type = w83627thf; 1154 break; 1155 case W697_DEVID: 1156 sio_data->type = w83697hf; 1157 break; 1158 case W637_DEVID: 1159 sio_data->type = w83637hf; 1160 break; 1161 case W687THF_DEVID: 1162 sio_data->type = w83687thf; 1163 break; 1164 case 0xff: /* No device at all */ 1165 goto exit; 1166 default: 1167 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1168 goto exit; 1169 } 1170 1171 superio_select(W83627HF_LD_HWM); 1172 force_addr &= WINB_ALIGNMENT; 1173 if (force_addr) { 1174 printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n", 1175 force_addr); 1176 superio_outb(WINB_BASE_REG, force_addr >> 8); 1177 superio_outb(WINB_BASE_REG + 1, force_addr & 0xff); 1178 } 1179 val = (superio_inb(WINB_BASE_REG) << 8) | 1180 superio_inb(WINB_BASE_REG + 1); 1181 *addr = val & WINB_ALIGNMENT; 1182 if (*addr == 0) { 1183 printk(KERN_WARNING DRVNAME ": Base address not set, " 1184 "skipping\n"); 1185 goto exit; 1186 } 1187 1188 val = superio_inb(WINB_ACT_REG); 1189 if (!(val & 0x01)) { 1190 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n"); 1191 superio_outb(WINB_ACT_REG, val | 0x01); 1192 } 1193 1194 err = 0; 1195 pr_info(DRVNAME ": Found %s chip at %#x\n", 1196 names[sio_data->type], *addr); 1197 1198 exit: 1199 superio_exit(); 1200 return err; 1201 } 1202 1203 #define VIN_UNIT_ATTRS(_X_) \ 1204 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1205 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1206 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1207 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1208 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1209 1210 #define FAN_UNIT_ATTRS(_X_) \ 1211 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1212 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1213 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1214 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1215 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1216 1217 #define TEMP_UNIT_ATTRS(_X_) \ 1218 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1219 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1220 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1221 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1222 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1223 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1224 1225 static struct attribute *w83627hf_attributes[] = { 1226 &dev_attr_in0_input.attr, 1227 &dev_attr_in0_min.attr, 1228 &dev_attr_in0_max.attr, 1229 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1230 &sensor_dev_attr_in0_beep.dev_attr.attr, 1231 VIN_UNIT_ATTRS(2), 1232 VIN_UNIT_ATTRS(3), 1233 VIN_UNIT_ATTRS(4), 1234 VIN_UNIT_ATTRS(7), 1235 VIN_UNIT_ATTRS(8), 1236 1237 FAN_UNIT_ATTRS(1), 1238 FAN_UNIT_ATTRS(2), 1239 1240 TEMP_UNIT_ATTRS(1), 1241 TEMP_UNIT_ATTRS(2), 1242 1243 &dev_attr_alarms.attr, 1244 &sensor_dev_attr_beep_enable.dev_attr.attr, 1245 &dev_attr_beep_mask.attr, 1246 1247 &sensor_dev_attr_pwm1.dev_attr.attr, 1248 &sensor_dev_attr_pwm2.dev_attr.attr, 1249 &dev_attr_name.attr, 1250 NULL 1251 }; 1252 1253 static const struct attribute_group w83627hf_group = { 1254 .attrs = w83627hf_attributes, 1255 }; 1256 1257 static struct attribute *w83627hf_attributes_opt[] = { 1258 VIN_UNIT_ATTRS(1), 1259 VIN_UNIT_ATTRS(5), 1260 VIN_UNIT_ATTRS(6), 1261 1262 FAN_UNIT_ATTRS(3), 1263 TEMP_UNIT_ATTRS(3), 1264 &sensor_dev_attr_pwm3.dev_attr.attr, 1265 1266 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1267 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1268 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1269 1270 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1271 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1272 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1273 1274 NULL 1275 }; 1276 1277 static const struct attribute_group w83627hf_group_opt = { 1278 .attrs = w83627hf_attributes_opt, 1279 }; 1280 1281 static int __devinit w83627hf_probe(struct platform_device *pdev) 1282 { 1283 struct device *dev = &pdev->dev; 1284 struct w83627hf_sio_data *sio_data = dev->platform_data; 1285 struct w83627hf_data *data; 1286 struct resource *res; 1287 int err, i; 1288 1289 static const char *names[] = { 1290 "w83627hf", 1291 "w83627thf", 1292 "w83697hf", 1293 "w83637hf", 1294 "w83687thf", 1295 }; 1296 1297 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1298 if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) { 1299 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1300 (unsigned long)res->start, 1301 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1302 err = -EBUSY; 1303 goto ERROR0; 1304 } 1305 1306 if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { 1307 err = -ENOMEM; 1308 goto ERROR1; 1309 } 1310 data->addr = res->start; 1311 data->type = sio_data->type; 1312 data->name = names[sio_data->type]; 1313 mutex_init(&data->lock); 1314 mutex_init(&data->update_lock); 1315 platform_set_drvdata(pdev, data); 1316 1317 /* Initialize the chip */ 1318 w83627hf_init_device(pdev); 1319 1320 /* A few vars need to be filled upon startup */ 1321 for (i = 0; i <= 2; i++) 1322 data->fan_min[i] = w83627hf_read_value( 1323 data, W83627HF_REG_FAN_MIN(i)); 1324 w83627hf_update_fan_div(data); 1325 1326 /* Register common device attributes */ 1327 if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group))) 1328 goto ERROR3; 1329 1330 /* Register chip-specific device attributes */ 1331 if (data->type == w83627hf || data->type == w83697hf) 1332 if ((err = device_create_file(dev, 1333 &sensor_dev_attr_in5_input.dev_attr)) 1334 || (err = device_create_file(dev, 1335 &sensor_dev_attr_in5_min.dev_attr)) 1336 || (err = device_create_file(dev, 1337 &sensor_dev_attr_in5_max.dev_attr)) 1338 || (err = device_create_file(dev, 1339 &sensor_dev_attr_in5_alarm.dev_attr)) 1340 || (err = device_create_file(dev, 1341 &sensor_dev_attr_in5_beep.dev_attr)) 1342 || (err = device_create_file(dev, 1343 &sensor_dev_attr_in6_input.dev_attr)) 1344 || (err = device_create_file(dev, 1345 &sensor_dev_attr_in6_min.dev_attr)) 1346 || (err = device_create_file(dev, 1347 &sensor_dev_attr_in6_max.dev_attr)) 1348 || (err = device_create_file(dev, 1349 &sensor_dev_attr_in6_alarm.dev_attr)) 1350 || (err = device_create_file(dev, 1351 &sensor_dev_attr_in6_beep.dev_attr)) 1352 || (err = device_create_file(dev, 1353 &sensor_dev_attr_pwm1_freq.dev_attr)) 1354 || (err = device_create_file(dev, 1355 &sensor_dev_attr_pwm2_freq.dev_attr))) 1356 goto ERROR4; 1357 1358 if (data->type != w83697hf) 1359 if ((err = device_create_file(dev, 1360 &sensor_dev_attr_in1_input.dev_attr)) 1361 || (err = device_create_file(dev, 1362 &sensor_dev_attr_in1_min.dev_attr)) 1363 || (err = device_create_file(dev, 1364 &sensor_dev_attr_in1_max.dev_attr)) 1365 || (err = device_create_file(dev, 1366 &sensor_dev_attr_in1_alarm.dev_attr)) 1367 || (err = device_create_file(dev, 1368 &sensor_dev_attr_in1_beep.dev_attr)) 1369 || (err = device_create_file(dev, 1370 &sensor_dev_attr_fan3_input.dev_attr)) 1371 || (err = device_create_file(dev, 1372 &sensor_dev_attr_fan3_min.dev_attr)) 1373 || (err = device_create_file(dev, 1374 &sensor_dev_attr_fan3_div.dev_attr)) 1375 || (err = device_create_file(dev, 1376 &sensor_dev_attr_fan3_alarm.dev_attr)) 1377 || (err = device_create_file(dev, 1378 &sensor_dev_attr_fan3_beep.dev_attr)) 1379 || (err = device_create_file(dev, 1380 &sensor_dev_attr_temp3_input.dev_attr)) 1381 || (err = device_create_file(dev, 1382 &sensor_dev_attr_temp3_max.dev_attr)) 1383 || (err = device_create_file(dev, 1384 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1385 || (err = device_create_file(dev, 1386 &sensor_dev_attr_temp3_alarm.dev_attr)) 1387 || (err = device_create_file(dev, 1388 &sensor_dev_attr_temp3_beep.dev_attr)) 1389 || (err = device_create_file(dev, 1390 &sensor_dev_attr_temp3_type.dev_attr))) 1391 goto ERROR4; 1392 1393 if (data->type != w83697hf && data->vid != 0xff) { 1394 /* Convert VID to voltage based on VRM */ 1395 data->vrm = vid_which_vrm(); 1396 1397 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1398 || (err = device_create_file(dev, &dev_attr_vrm))) 1399 goto ERROR4; 1400 } 1401 1402 if (data->type == w83627thf || data->type == w83637hf 1403 || data->type == w83687thf) 1404 if ((err = device_create_file(dev, 1405 &sensor_dev_attr_pwm3.dev_attr))) 1406 goto ERROR4; 1407 1408 if (data->type == w83637hf || data->type == w83687thf) 1409 if ((err = device_create_file(dev, 1410 &sensor_dev_attr_pwm1_freq.dev_attr)) 1411 || (err = device_create_file(dev, 1412 &sensor_dev_attr_pwm2_freq.dev_attr)) 1413 || (err = device_create_file(dev, 1414 &sensor_dev_attr_pwm3_freq.dev_attr))) 1415 goto ERROR4; 1416 1417 if (data->type != w83627hf) 1418 if ((err = device_create_file(dev, 1419 &sensor_dev_attr_pwm1_enable.dev_attr)) 1420 || (err = device_create_file(dev, 1421 &sensor_dev_attr_pwm2_enable.dev_attr))) 1422 goto ERROR4; 1423 1424 if (data->type == w83627thf || data->type == w83637hf 1425 || data->type == w83687thf) 1426 if ((err = device_create_file(dev, 1427 &sensor_dev_attr_pwm3_enable.dev_attr))) 1428 goto ERROR4; 1429 1430 data->hwmon_dev = hwmon_device_register(dev); 1431 if (IS_ERR(data->hwmon_dev)) { 1432 err = PTR_ERR(data->hwmon_dev); 1433 goto ERROR4; 1434 } 1435 1436 return 0; 1437 1438 ERROR4: 1439 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1440 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1441 ERROR3: 1442 platform_set_drvdata(pdev, NULL); 1443 kfree(data); 1444 ERROR1: 1445 release_region(res->start, WINB_REGION_SIZE); 1446 ERROR0: 1447 return err; 1448 } 1449 1450 static int __devexit w83627hf_remove(struct platform_device *pdev) 1451 { 1452 struct w83627hf_data *data = platform_get_drvdata(pdev); 1453 struct resource *res; 1454 1455 hwmon_device_unregister(data->hwmon_dev); 1456 1457 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1458 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1459 platform_set_drvdata(pdev, NULL); 1460 kfree(data); 1461 1462 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1463 release_region(res->start, WINB_REGION_SIZE); 1464 1465 return 0; 1466 } 1467 1468 1469 /* Registers 0x50-0x5f are banked */ 1470 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1471 { 1472 if ((reg & 0x00f0) == 0x50) { 1473 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1474 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1475 } 1476 } 1477 1478 /* Not strictly necessary, but play it safe for now */ 1479 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1480 { 1481 if (reg & 0xff00) { 1482 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1483 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1484 } 1485 } 1486 1487 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1488 { 1489 int res, word_sized; 1490 1491 mutex_lock(&data->lock); 1492 word_sized = (((reg & 0xff00) == 0x100) 1493 || ((reg & 0xff00) == 0x200)) 1494 && (((reg & 0x00ff) == 0x50) 1495 || ((reg & 0x00ff) == 0x53) 1496 || ((reg & 0x00ff) == 0x55)); 1497 w83627hf_set_bank(data, reg); 1498 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1499 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1500 if (word_sized) { 1501 outb_p((reg & 0xff) + 1, 1502 data->addr + W83781D_ADDR_REG_OFFSET); 1503 res = 1504 (res << 8) + inb_p(data->addr + 1505 W83781D_DATA_REG_OFFSET); 1506 } 1507 w83627hf_reset_bank(data, reg); 1508 mutex_unlock(&data->lock); 1509 return res; 1510 } 1511 1512 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) 1513 { 1514 int res = 0xff, sel; 1515 1516 superio_enter(); 1517 superio_select(W83627HF_LD_GPIO5); 1518 1519 /* Make sure these GPIO pins are enabled */ 1520 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { 1521 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1522 goto exit; 1523 } 1524 1525 /* Make sure the pins are configured for input 1526 There must be at least five (VRM 9), and possibly 6 (VRM 10) */ 1527 sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f; 1528 if ((sel & 0x1f) != 0x1f) { 1529 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1530 "function\n"); 1531 goto exit; 1532 } 1533 1534 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1535 res = superio_inb(W83627THF_GPIO5_DR) & sel; 1536 1537 exit: 1538 superio_exit(); 1539 return res; 1540 } 1541 1542 static int __devinit w83687thf_read_vid(struct platform_device *pdev) 1543 { 1544 int res = 0xff; 1545 1546 superio_enter(); 1547 superio_select(W83627HF_LD_HWM); 1548 1549 /* Make sure these GPIO pins are enabled */ 1550 if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) { 1551 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1552 goto exit; 1553 } 1554 1555 /* Make sure the pins are configured for input */ 1556 if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) { 1557 dev_dbg(&pdev->dev, "VID configured as output, " 1558 "no VID function\n"); 1559 goto exit; 1560 } 1561 1562 res = superio_inb(W83687THF_VID_DATA) & 0x3f; 1563 1564 exit: 1565 superio_exit(); 1566 return res; 1567 } 1568 1569 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1570 { 1571 int word_sized; 1572 1573 mutex_lock(&data->lock); 1574 word_sized = (((reg & 0xff00) == 0x100) 1575 || ((reg & 0xff00) == 0x200)) 1576 && (((reg & 0x00ff) == 0x53) 1577 || ((reg & 0x00ff) == 0x55)); 1578 w83627hf_set_bank(data, reg); 1579 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1580 if (word_sized) { 1581 outb_p(value >> 8, 1582 data->addr + W83781D_DATA_REG_OFFSET); 1583 outb_p((reg & 0xff) + 1, 1584 data->addr + W83781D_ADDR_REG_OFFSET); 1585 } 1586 outb_p(value & 0xff, 1587 data->addr + W83781D_DATA_REG_OFFSET); 1588 w83627hf_reset_bank(data, reg); 1589 mutex_unlock(&data->lock); 1590 return 0; 1591 } 1592 1593 static void __devinit w83627hf_init_device(struct platform_device *pdev) 1594 { 1595 struct w83627hf_data *data = platform_get_drvdata(pdev); 1596 int i; 1597 enum chips type = data->type; 1598 u8 tmp; 1599 1600 /* Minimize conflicts with other winbond i2c-only clients... */ 1601 /* disable i2c subclients... how to disable main i2c client?? */ 1602 /* force i2c address to relatively uncommon address */ 1603 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1604 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1605 1606 /* Read VID only once */ 1607 if (type == w83627hf || type == w83637hf) { 1608 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1609 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1610 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1611 } else if (type == w83627thf) { 1612 data->vid = w83627thf_read_gpio5(pdev); 1613 } else if (type == w83687thf) { 1614 data->vid = w83687thf_read_vid(pdev); 1615 } 1616 1617 /* Read VRM & OVT Config only once */ 1618 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1619 data->vrm_ovt = 1620 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1621 } 1622 1623 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1624 for (i = 1; i <= 3; i++) { 1625 if (!(tmp & BIT_SCFG1[i - 1])) { 1626 data->sens[i - 1] = 4; 1627 } else { 1628 if (w83627hf_read_value 1629 (data, 1630 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1631 data->sens[i - 1] = 1; 1632 else 1633 data->sens[i - 1] = 2; 1634 } 1635 if ((type == w83697hf) && (i == 2)) 1636 break; 1637 } 1638 1639 if(init) { 1640 /* Enable temp2 */ 1641 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1642 if (tmp & 0x01) { 1643 dev_warn(&pdev->dev, "Enabling temp2, readings " 1644 "might not make sense\n"); 1645 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1646 tmp & 0xfe); 1647 } 1648 1649 /* Enable temp3 */ 1650 if (type != w83697hf) { 1651 tmp = w83627hf_read_value(data, 1652 W83627HF_REG_TEMP3_CONFIG); 1653 if (tmp & 0x01) { 1654 dev_warn(&pdev->dev, "Enabling temp3, " 1655 "readings might not make sense\n"); 1656 w83627hf_write_value(data, 1657 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1658 } 1659 } 1660 } 1661 1662 /* Start monitoring */ 1663 w83627hf_write_value(data, W83781D_REG_CONFIG, 1664 (w83627hf_read_value(data, 1665 W83781D_REG_CONFIG) & 0xf7) 1666 | 0x01); 1667 1668 /* Enable VBAT monitoring if needed */ 1669 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 1670 if (!(tmp & 0x01)) 1671 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 1672 } 1673 1674 static void w83627hf_update_fan_div(struct w83627hf_data *data) 1675 { 1676 int reg; 1677 1678 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1679 data->fan_div[0] = (reg >> 4) & 0x03; 1680 data->fan_div[1] = (reg >> 6) & 0x03; 1681 if (data->type != w83697hf) { 1682 data->fan_div[2] = (w83627hf_read_value(data, 1683 W83781D_REG_PIN) >> 6) & 0x03; 1684 } 1685 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1686 data->fan_div[0] |= (reg >> 3) & 0x04; 1687 data->fan_div[1] |= (reg >> 4) & 0x04; 1688 if (data->type != w83697hf) 1689 data->fan_div[2] |= (reg >> 5) & 0x04; 1690 } 1691 1692 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1693 { 1694 struct w83627hf_data *data = dev_get_drvdata(dev); 1695 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1696 int num_pwms = (data->type == w83697hf) ? 2 : 3; 1697 1698 mutex_lock(&data->update_lock); 1699 1700 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1701 || !data->valid) { 1702 for (i = 0; i <= 8; i++) { 1703 /* skip missing sensors */ 1704 if (((data->type == w83697hf) && (i == 1)) || 1705 ((data->type != w83627hf && data->type != w83697hf) 1706 && (i == 5 || i == 6))) 1707 continue; 1708 data->in[i] = 1709 w83627hf_read_value(data, W83781D_REG_IN(i)); 1710 data->in_min[i] = 1711 w83627hf_read_value(data, 1712 W83781D_REG_IN_MIN(i)); 1713 data->in_max[i] = 1714 w83627hf_read_value(data, 1715 W83781D_REG_IN_MAX(i)); 1716 } 1717 for (i = 0; i <= 2; i++) { 1718 data->fan[i] = 1719 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1720 data->fan_min[i] = 1721 w83627hf_read_value(data, 1722 W83627HF_REG_FAN_MIN(i)); 1723 } 1724 for (i = 0; i <= 2; i++) { 1725 u8 tmp = w83627hf_read_value(data, 1726 W836X7HF_REG_PWM(data->type, i)); 1727 /* bits 0-3 are reserved in 627THF */ 1728 if (data->type == w83627thf) 1729 tmp &= 0xf0; 1730 data->pwm[i] = tmp; 1731 if (i == 1 && 1732 (data->type == w83627hf || data->type == w83697hf)) 1733 break; 1734 } 1735 if (data->type == w83627hf) { 1736 u8 tmp = w83627hf_read_value(data, 1737 W83627HF_REG_PWM_FREQ); 1738 data->pwm_freq[0] = tmp & 0x07; 1739 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1740 } else if (data->type != w83627thf) { 1741 for (i = 1; i <= 3; i++) { 1742 data->pwm_freq[i - 1] = 1743 w83627hf_read_value(data, 1744 W83637HF_REG_PWM_FREQ[i - 1]); 1745 if (i == 2 && (data->type == w83697hf)) 1746 break; 1747 } 1748 } 1749 if (data->type != w83627hf) { 1750 for (i = 0; i < num_pwms; i++) { 1751 u8 tmp = w83627hf_read_value(data, 1752 W83627THF_REG_PWM_ENABLE[i]); 1753 data->pwm_enable[i] = 1754 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 1755 & 0x03) + 1; 1756 } 1757 } 1758 for (i = 0; i < num_temps; i++) { 1759 data->temp[i] = w83627hf_read_value( 1760 data, w83627hf_reg_temp[i]); 1761 data->temp_max[i] = w83627hf_read_value( 1762 data, w83627hf_reg_temp_over[i]); 1763 data->temp_max_hyst[i] = w83627hf_read_value( 1764 data, w83627hf_reg_temp_hyst[i]); 1765 } 1766 1767 w83627hf_update_fan_div(data); 1768 1769 data->alarms = 1770 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1771 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1772 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1773 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1774 data->beep_mask = (i << 8) | 1775 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1776 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1777 data->last_updated = jiffies; 1778 data->valid = 1; 1779 } 1780 1781 mutex_unlock(&data->update_lock); 1782 1783 return data; 1784 } 1785 1786 static int __init w83627hf_device_add(unsigned short address, 1787 const struct w83627hf_sio_data *sio_data) 1788 { 1789 struct resource res = { 1790 .start = address + WINB_REGION_OFFSET, 1791 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1792 .name = DRVNAME, 1793 .flags = IORESOURCE_IO, 1794 }; 1795 int err; 1796 1797 err = acpi_check_resource_conflict(&res); 1798 if (err) 1799 goto exit; 1800 1801 pdev = platform_device_alloc(DRVNAME, address); 1802 if (!pdev) { 1803 err = -ENOMEM; 1804 printk(KERN_ERR DRVNAME ": Device allocation failed\n"); 1805 goto exit; 1806 } 1807 1808 err = platform_device_add_resources(pdev, &res, 1); 1809 if (err) { 1810 printk(KERN_ERR DRVNAME ": Device resource addition failed " 1811 "(%d)\n", err); 1812 goto exit_device_put; 1813 } 1814 1815 err = platform_device_add_data(pdev, sio_data, 1816 sizeof(struct w83627hf_sio_data)); 1817 if (err) { 1818 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); 1819 goto exit_device_put; 1820 } 1821 1822 err = platform_device_add(pdev); 1823 if (err) { 1824 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", 1825 err); 1826 goto exit_device_put; 1827 } 1828 1829 return 0; 1830 1831 exit_device_put: 1832 platform_device_put(pdev); 1833 exit: 1834 return err; 1835 } 1836 1837 static int __init sensors_w83627hf_init(void) 1838 { 1839 int err; 1840 unsigned short address; 1841 struct w83627hf_sio_data sio_data; 1842 1843 if (w83627hf_find(0x2e, &address, &sio_data) 1844 && w83627hf_find(0x4e, &address, &sio_data)) 1845 return -ENODEV; 1846 1847 err = platform_driver_register(&w83627hf_driver); 1848 if (err) 1849 goto exit; 1850 1851 /* Sets global pdev as a side effect */ 1852 err = w83627hf_device_add(address, &sio_data); 1853 if (err) 1854 goto exit_driver; 1855 1856 return 0; 1857 1858 exit_driver: 1859 platform_driver_unregister(&w83627hf_driver); 1860 exit: 1861 return err; 1862 } 1863 1864 static void __exit sensors_w83627hf_exit(void) 1865 { 1866 platform_device_unregister(pdev); 1867 platform_driver_unregister(&w83627hf_driver); 1868 } 1869 1870 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1871 "Philip Edelbrock <phil@netroedge.com>, " 1872 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 1873 MODULE_DESCRIPTION("W83627HF driver"); 1874 MODULE_LICENSE("GPL"); 1875 1876 module_init(sensors_w83627hf_init); 1877 module_exit(sensors_w83627hf_exit); 1878