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 <asm/io.h> 54 #include "lm75.h" 55 56 static struct platform_device *pdev; 57 58 #define DRVNAME "w83627hf" 59 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 60 61 static u16 force_addr; 62 module_param(force_addr, ushort, 0); 63 MODULE_PARM_DESC(force_addr, 64 "Initialize the base address of the sensors"); 65 static u8 force_i2c = 0x1f; 66 module_param(force_i2c, byte, 0); 67 MODULE_PARM_DESC(force_i2c, 68 "Initialize the i2c address of the sensors"); 69 70 static int reset; 71 module_param(reset, bool, 0); 72 MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); 73 74 static int init = 1; 75 module_param(init, bool, 0); 76 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 77 78 /* modified from kernel/include/traps.c */ 79 static int REG; /* The register to read/write */ 80 #define DEV 0x07 /* Register: Logical device select */ 81 static int VAL; /* The value to read/write */ 82 83 /* logical device numbers for superio_select (below) */ 84 #define W83627HF_LD_FDC 0x00 85 #define W83627HF_LD_PRT 0x01 86 #define W83627HF_LD_UART1 0x02 87 #define W83627HF_LD_UART2 0x03 88 #define W83627HF_LD_KBC 0x05 89 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 90 #define W83627HF_LD_GAME 0x07 91 #define W83627HF_LD_MIDI 0x07 92 #define W83627HF_LD_GPIO1 0x07 93 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 94 #define W83627HF_LD_GPIO2 0x08 95 #define W83627HF_LD_GPIO3 0x09 96 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 97 #define W83627HF_LD_ACPI 0x0a 98 #define W83627HF_LD_HWM 0x0b 99 100 #define DEVID 0x20 /* Register: Device ID */ 101 102 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 103 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 104 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 105 106 #define W83687THF_VID_EN 0x29 /* w83687thf only */ 107 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 108 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 109 110 static inline void 111 superio_outb(int reg, int val) 112 { 113 outb(reg, REG); 114 outb(val, VAL); 115 } 116 117 static inline int 118 superio_inb(int reg) 119 { 120 outb(reg, REG); 121 return inb(VAL); 122 } 123 124 static inline void 125 superio_select(int ld) 126 { 127 outb(DEV, REG); 128 outb(ld, VAL); 129 } 130 131 static inline void 132 superio_enter(void) 133 { 134 outb(0x87, REG); 135 outb(0x87, REG); 136 } 137 138 static inline void 139 superio_exit(void) 140 { 141 outb(0xAA, REG); 142 } 143 144 #define W627_DEVID 0x52 145 #define W627THF_DEVID 0x82 146 #define W697_DEVID 0x60 147 #define W637_DEVID 0x70 148 #define W687THF_DEVID 0x85 149 #define WINB_ACT_REG 0x30 150 #define WINB_BASE_REG 0x60 151 /* Constants specified below */ 152 153 /* Alignment of the base address */ 154 #define WINB_ALIGNMENT ~7 155 156 /* Offset & size of I/O region we are interested in */ 157 #define WINB_REGION_OFFSET 5 158 #define WINB_REGION_SIZE 2 159 160 /* Where are the sensors address/data registers relative to the region offset */ 161 #define W83781D_ADDR_REG_OFFSET 0 162 #define W83781D_DATA_REG_OFFSET 1 163 164 /* The W83781D registers */ 165 /* The W83782D registers for nr=7,8 are in bank 5 */ 166 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 167 (0x554 + (((nr) - 7) * 2))) 168 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 169 (0x555 + (((nr) - 7) * 2))) 170 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 171 (0x550 + (nr) - 7)) 172 173 /* nr:0-2 for fans:1-3 */ 174 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 175 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 176 177 #define W83627HF_REG_TEMP2_CONFIG 0x152 178 #define W83627HF_REG_TEMP3_CONFIG 0x252 179 /* these are zero-based, unlike config constants above */ 180 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 181 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 182 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 183 184 #define W83781D_REG_BANK 0x4E 185 186 #define W83781D_REG_CONFIG 0x40 187 #define W83781D_REG_ALARM1 0x459 188 #define W83781D_REG_ALARM2 0x45A 189 #define W83781D_REG_ALARM3 0x45B 190 191 #define W83781D_REG_BEEP_CONFIG 0x4D 192 #define W83781D_REG_BEEP_INTS1 0x56 193 #define W83781D_REG_BEEP_INTS2 0x57 194 #define W83781D_REG_BEEP_INTS3 0x453 195 196 #define W83781D_REG_VID_FANDIV 0x47 197 198 #define W83781D_REG_CHIPID 0x49 199 #define W83781D_REG_WCHIPID 0x58 200 #define W83781D_REG_CHIPMAN 0x4F 201 #define W83781D_REG_PIN 0x4B 202 203 #define W83781D_REG_VBAT 0x5D 204 205 #define W83627HF_REG_PWM1 0x5A 206 #define W83627HF_REG_PWM2 0x5B 207 208 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 209 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 210 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 211 212 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 213 214 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 215 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 216 W83627THF_REG_PWM3 }; 217 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 218 regpwm_627hf[nr] : regpwm[nr]) 219 220 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 221 222 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 223 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 224 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 225 226 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 227 W83637HF_REG_PWM_FREQ2, 228 W83637HF_REG_PWM_FREQ3 }; 229 230 #define W83627HF_BASE_PWM_FREQ 46870 231 232 #define W83781D_REG_I2C_ADDR 0x48 233 #define W83781D_REG_I2C_SUBADDR 0x4A 234 235 /* Sensor selection */ 236 #define W83781D_REG_SCFG1 0x5D 237 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 238 #define W83781D_REG_SCFG2 0x59 239 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 240 #define W83781D_DEFAULT_BETA 3435 241 242 /* Conversions. Limit checking is only done on the TO_REG 243 variants. Note that you should be a bit careful with which arguments 244 these macros are called: arguments may be evaluated more than once. 245 Fixing this is just not worth it. */ 246 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 247 #define IN_FROM_REG(val) ((val) * 16) 248 249 static inline u8 FAN_TO_REG(long rpm, int div) 250 { 251 if (rpm == 0) 252 return 255; 253 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 254 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 255 254); 256 } 257 258 #define TEMP_MIN (-128000) 259 #define TEMP_MAX ( 127000) 260 261 /* TEMP: 0.001C/bit (-128C to +127C) 262 REG: 1C/bit, two's complement */ 263 static u8 TEMP_TO_REG(long temp) 264 { 265 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 266 ntemp += (ntemp<0 ? -500 : 500); 267 return (u8)(ntemp / 1000); 268 } 269 270 static int TEMP_FROM_REG(u8 reg) 271 { 272 return (s8)reg * 1000; 273 } 274 275 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 276 277 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 278 279 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 280 { 281 unsigned long freq; 282 freq = W83627HF_BASE_PWM_FREQ >> reg; 283 return freq; 284 } 285 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 286 { 287 u8 i; 288 /* Only 5 dividers (1 2 4 8 16) 289 Search for the nearest available frequency */ 290 for (i = 0; i < 4; i++) { 291 if (val > (((W83627HF_BASE_PWM_FREQ >> i) + 292 (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) 293 break; 294 } 295 return i; 296 } 297 298 static inline unsigned long pwm_freq_from_reg(u8 reg) 299 { 300 /* Clock bit 8 -> 180 kHz or 24 MHz */ 301 unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; 302 303 reg &= 0x7f; 304 /* This should not happen but anyway... */ 305 if (reg == 0) 306 reg++; 307 return (clock / (reg << 8)); 308 } 309 static inline u8 pwm_freq_to_reg(unsigned long val) 310 { 311 /* Minimum divider value is 0x01 and maximum is 0x7F */ 312 if (val >= 93750) /* The highest we can do */ 313 return 0x01; 314 if (val >= 720) /* Use 24 MHz clock */ 315 return (24000000UL / (val << 8)); 316 if (val < 6) /* The lowest we can do */ 317 return 0xFF; 318 else /* Use 180 kHz clock */ 319 return (0x80 | (180000UL / (val << 8))); 320 } 321 322 #define BEEP_MASK_FROM_REG(val) (val) 323 #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) 324 #define BEEP_ENABLE_TO_REG(val) ((val)?1:0) 325 #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) 326 327 #define DIV_FROM_REG(val) (1 << (val)) 328 329 static inline u8 DIV_TO_REG(long val) 330 { 331 int i; 332 val = SENSORS_LIMIT(val, 1, 128) >> 1; 333 for (i = 0; i < 7; i++) { 334 if (val == 0) 335 break; 336 val >>= 1; 337 } 338 return ((u8) i); 339 } 340 341 /* For each registered chip, we need to keep some data in memory. 342 The structure is dynamically allocated. */ 343 struct w83627hf_data { 344 unsigned short addr; 345 const char *name; 346 struct device *hwmon_dev; 347 struct mutex lock; 348 enum chips type; 349 350 struct mutex update_lock; 351 char valid; /* !=0 if following fields are valid */ 352 unsigned long last_updated; /* In jiffies */ 353 354 u8 in[9]; /* Register value */ 355 u8 in_max[9]; /* Register value */ 356 u8 in_min[9]; /* Register value */ 357 u8 fan[3]; /* Register value */ 358 u8 fan_min[3]; /* Register value */ 359 u16 temp[3]; /* Register value */ 360 u16 temp_max[3]; /* Register value */ 361 u16 temp_max_hyst[3]; /* Register value */ 362 u8 fan_div[3]; /* Register encoding, shifted right */ 363 u8 vid; /* Register encoding, combined */ 364 u32 alarms; /* Register encoding, combined */ 365 u32 beep_mask; /* Register encoding, combined */ 366 u8 beep_enable; /* Boolean */ 367 u8 pwm[3]; /* Register value */ 368 u8 pwm_freq[3]; /* Register value */ 369 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 370 4 = thermistor */ 371 u8 vrm; 372 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 373 }; 374 375 struct w83627hf_sio_data { 376 enum chips type; 377 }; 378 379 380 static int w83627hf_probe(struct platform_device *pdev); 381 static int __devexit w83627hf_remove(struct platform_device *pdev); 382 383 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); 384 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); 385 static void w83627hf_update_fan_div(struct w83627hf_data *data); 386 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 387 static void w83627hf_init_device(struct platform_device *pdev); 388 389 static struct platform_driver w83627hf_driver = { 390 .driver = { 391 .owner = THIS_MODULE, 392 .name = DRVNAME, 393 }, 394 .probe = w83627hf_probe, 395 .remove = __devexit_p(w83627hf_remove), 396 }; 397 398 static ssize_t 399 show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) 400 { 401 int nr = to_sensor_dev_attr(devattr)->index; 402 struct w83627hf_data *data = w83627hf_update_device(dev); 403 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 404 } 405 static ssize_t 406 show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) 407 { 408 int nr = to_sensor_dev_attr(devattr)->index; 409 struct w83627hf_data *data = w83627hf_update_device(dev); 410 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 411 } 412 static ssize_t 413 show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) 414 { 415 int nr = to_sensor_dev_attr(devattr)->index; 416 struct w83627hf_data *data = w83627hf_update_device(dev); 417 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 418 } 419 static ssize_t 420 store_in_min(struct device *dev, struct device_attribute *devattr, 421 const char *buf, size_t count) 422 { 423 int nr = to_sensor_dev_attr(devattr)->index; 424 struct w83627hf_data *data = dev_get_drvdata(dev); 425 long val = simple_strtol(buf, NULL, 10); 426 427 mutex_lock(&data->update_lock); 428 data->in_min[nr] = IN_TO_REG(val); 429 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 430 mutex_unlock(&data->update_lock); 431 return count; 432 } 433 static ssize_t 434 store_in_max(struct device *dev, struct device_attribute *devattr, 435 const char *buf, size_t count) 436 { 437 int nr = to_sensor_dev_attr(devattr)->index; 438 struct w83627hf_data *data = dev_get_drvdata(dev); 439 long val = simple_strtol(buf, NULL, 10); 440 441 mutex_lock(&data->update_lock); 442 data->in_max[nr] = IN_TO_REG(val); 443 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 444 mutex_unlock(&data->update_lock); 445 return count; 446 } 447 #define sysfs_vin_decl(offset) \ 448 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 449 show_in_input, NULL, offset); \ 450 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ 451 show_in_min, store_in_min, offset); \ 452 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ 453 show_in_max, store_in_max, offset); 454 455 sysfs_vin_decl(1); 456 sysfs_vin_decl(2); 457 sysfs_vin_decl(3); 458 sysfs_vin_decl(4); 459 sysfs_vin_decl(5); 460 sysfs_vin_decl(6); 461 sysfs_vin_decl(7); 462 sysfs_vin_decl(8); 463 464 /* use a different set of functions for in0 */ 465 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 466 { 467 long in0; 468 469 if ((data->vrm_ovt & 0x01) && 470 (w83627thf == data->type || w83637hf == data->type 471 || w83687thf == data->type)) 472 473 /* use VRM9 calculation */ 474 in0 = (long)((reg * 488 + 70000 + 50) / 100); 475 else 476 /* use VRM8 (standard) calculation */ 477 in0 = (long)IN_FROM_REG(reg); 478 479 return sprintf(buf,"%ld\n", in0); 480 } 481 482 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) 483 { 484 struct w83627hf_data *data = w83627hf_update_device(dev); 485 return show_in_0(data, buf, data->in[0]); 486 } 487 488 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 489 { 490 struct w83627hf_data *data = w83627hf_update_device(dev); 491 return show_in_0(data, buf, data->in_min[0]); 492 } 493 494 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 495 { 496 struct w83627hf_data *data = w83627hf_update_device(dev); 497 return show_in_0(data, buf, data->in_max[0]); 498 } 499 500 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 501 const char *buf, size_t count) 502 { 503 struct w83627hf_data *data = dev_get_drvdata(dev); 504 u32 val; 505 506 val = simple_strtoul(buf, NULL, 10); 507 508 mutex_lock(&data->update_lock); 509 510 if ((data->vrm_ovt & 0x01) && 511 (w83627thf == data->type || w83637hf == data->type 512 || w83687thf == data->type)) 513 514 /* use VRM9 calculation */ 515 data->in_min[0] = 516 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 517 255); 518 else 519 /* use VRM8 (standard) calculation */ 520 data->in_min[0] = IN_TO_REG(val); 521 522 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 523 mutex_unlock(&data->update_lock); 524 return count; 525 } 526 527 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 528 const char *buf, size_t count) 529 { 530 struct w83627hf_data *data = dev_get_drvdata(dev); 531 u32 val; 532 533 val = simple_strtoul(buf, NULL, 10); 534 535 mutex_lock(&data->update_lock); 536 537 if ((data->vrm_ovt & 0x01) && 538 (w83627thf == data->type || w83637hf == data->type 539 || w83687thf == data->type)) 540 541 /* use VRM9 calculation */ 542 data->in_max[0] = 543 SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, 544 255); 545 else 546 /* use VRM8 (standard) calculation */ 547 data->in_max[0] = IN_TO_REG(val); 548 549 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 550 mutex_unlock(&data->update_lock); 551 return count; 552 } 553 554 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 555 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 556 show_regs_in_min0, store_regs_in_min0); 557 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 558 show_regs_in_max0, store_regs_in_max0); 559 560 static ssize_t 561 show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) 562 { 563 int nr = to_sensor_dev_attr(devattr)->index; 564 struct w83627hf_data *data = w83627hf_update_device(dev); 565 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 566 (long)DIV_FROM_REG(data->fan_div[nr]))); 567 } 568 static ssize_t 569 show_fan_min(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_min[nr], 574 (long)DIV_FROM_REG(data->fan_div[nr]))); 575 } 576 static ssize_t 577 store_fan_min(struct device *dev, struct device_attribute *devattr, 578 const char *buf, size_t count) 579 { 580 int nr = to_sensor_dev_attr(devattr)->index; 581 struct w83627hf_data *data = dev_get_drvdata(dev); 582 u32 val = simple_strtoul(buf, NULL, 10); 583 584 mutex_lock(&data->update_lock); 585 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 586 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 587 data->fan_min[nr]); 588 589 mutex_unlock(&data->update_lock); 590 return count; 591 } 592 #define sysfs_fan_decl(offset) \ 593 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 594 show_fan_input, NULL, offset - 1); \ 595 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 596 show_fan_min, store_fan_min, offset - 1); 597 598 sysfs_fan_decl(1); 599 sysfs_fan_decl(2); 600 sysfs_fan_decl(3); 601 602 static ssize_t 603 show_temp(struct device *dev, struct device_attribute *devattr, char *buf) 604 { 605 int nr = to_sensor_dev_attr(devattr)->index; 606 struct w83627hf_data *data = w83627hf_update_device(dev); 607 608 u16 tmp = data->temp[nr]; 609 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 610 : (long) TEMP_FROM_REG(tmp)); 611 } 612 613 static ssize_t 614 show_temp_max(struct device *dev, struct device_attribute *devattr, 615 char *buf) 616 { 617 int nr = to_sensor_dev_attr(devattr)->index; 618 struct w83627hf_data *data = w83627hf_update_device(dev); 619 620 u16 tmp = data->temp_max[nr]; 621 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 622 : (long) TEMP_FROM_REG(tmp)); 623 } 624 625 static ssize_t 626 show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 627 char *buf) 628 { 629 int nr = to_sensor_dev_attr(devattr)->index; 630 struct w83627hf_data *data = w83627hf_update_device(dev); 631 632 u16 tmp = data->temp_max_hyst[nr]; 633 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 634 : (long) TEMP_FROM_REG(tmp)); 635 } 636 637 static ssize_t 638 store_temp_max(struct device *dev, struct device_attribute *devattr, 639 const char *buf, size_t count) 640 { 641 int nr = to_sensor_dev_attr(devattr)->index; 642 struct w83627hf_data *data = dev_get_drvdata(dev); 643 long val = simple_strtol(buf, NULL, 10); 644 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 645 646 mutex_lock(&data->update_lock); 647 data->temp_max[nr] = tmp; 648 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 649 mutex_unlock(&data->update_lock); 650 return count; 651 } 652 653 static ssize_t 654 store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, 655 const char *buf, size_t count) 656 { 657 int nr = to_sensor_dev_attr(devattr)->index; 658 struct w83627hf_data *data = dev_get_drvdata(dev); 659 long val = simple_strtol(buf, NULL, 10); 660 u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 661 662 mutex_lock(&data->update_lock); 663 data->temp_max_hyst[nr] = tmp; 664 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 665 mutex_unlock(&data->update_lock); 666 return count; 667 } 668 669 #define sysfs_temp_decl(offset) \ 670 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 671 show_temp, NULL, offset - 1); \ 672 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ 673 show_temp_max, store_temp_max, offset - 1); \ 674 static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ 675 show_temp_max_hyst, store_temp_max_hyst, offset - 1); 676 677 sysfs_temp_decl(1); 678 sysfs_temp_decl(2); 679 sysfs_temp_decl(3); 680 681 static ssize_t 682 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 683 { 684 struct w83627hf_data *data = w83627hf_update_device(dev); 685 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 686 } 687 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 688 689 static ssize_t 690 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 691 { 692 struct w83627hf_data *data = dev_get_drvdata(dev); 693 return sprintf(buf, "%ld\n", (long) data->vrm); 694 } 695 static ssize_t 696 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 697 { 698 struct w83627hf_data *data = dev_get_drvdata(dev); 699 u32 val; 700 701 val = simple_strtoul(buf, NULL, 10); 702 data->vrm = val; 703 704 return count; 705 } 706 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 707 708 static ssize_t 709 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 710 { 711 struct w83627hf_data *data = w83627hf_update_device(dev); 712 return sprintf(buf, "%ld\n", (long) data->alarms); 713 } 714 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 715 716 #define show_beep_reg(REG, reg) \ 717 static ssize_t show_beep_##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", \ 721 (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ 722 } 723 show_beep_reg(ENABLE, enable) 724 show_beep_reg(MASK, mask) 725 726 #define BEEP_ENABLE 0 /* Store beep_enable */ 727 #define BEEP_MASK 1 /* Store beep_mask */ 728 729 static ssize_t 730 store_beep_reg(struct device *dev, const char *buf, size_t count, 731 int update_mask) 732 { 733 struct w83627hf_data *data = dev_get_drvdata(dev); 734 u32 val, val2; 735 736 val = simple_strtoul(buf, NULL, 10); 737 738 mutex_lock(&data->update_lock); 739 740 if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ 741 data->beep_mask = BEEP_MASK_TO_REG(val); 742 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 743 data->beep_mask & 0xff); 744 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 745 ((data->beep_mask) >> 16) & 0xff); 746 val2 = (data->beep_mask >> 8) & 0x7f; 747 } else { /* We are storing beep_enable */ 748 val2 = 749 w83627hf_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f; 750 data->beep_enable = BEEP_ENABLE_TO_REG(val); 751 } 752 753 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 754 val2 | data->beep_enable << 7); 755 756 mutex_unlock(&data->update_lock); 757 return count; 758 } 759 760 #define sysfs_beep(REG, reg) \ 761 static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ 762 { \ 763 return show_beep_##reg(dev, attr, buf); \ 764 } \ 765 static ssize_t \ 766 store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ 767 { \ 768 return store_beep_reg(dev, buf, count, BEEP_##REG); \ 769 } \ 770 static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ 771 show_regs_beep_##reg, store_regs_beep_##reg); 772 773 sysfs_beep(ENABLE, enable); 774 sysfs_beep(MASK, mask); 775 776 static ssize_t 777 show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) 778 { 779 int nr = to_sensor_dev_attr(devattr)->index; 780 struct w83627hf_data *data = w83627hf_update_device(dev); 781 return sprintf(buf, "%ld\n", 782 (long) DIV_FROM_REG(data->fan_div[nr])); 783 } 784 /* Note: we save and restore the fan minimum here, because its value is 785 determined in part by the fan divisor. This follows the principle of 786 least surprise; the user doesn't expect the fan minimum to change just 787 because the divisor changed. */ 788 static ssize_t 789 store_fan_div(struct device *dev, struct device_attribute *devattr, 790 const char *buf, size_t count) 791 { 792 int nr = to_sensor_dev_attr(devattr)->index; 793 struct w83627hf_data *data = dev_get_drvdata(dev); 794 unsigned long min; 795 u8 reg; 796 unsigned long val = simple_strtoul(buf, NULL, 10); 797 798 mutex_lock(&data->update_lock); 799 800 /* Save fan_min */ 801 min = FAN_FROM_REG(data->fan_min[nr], 802 DIV_FROM_REG(data->fan_div[nr])); 803 804 data->fan_div[nr] = DIV_TO_REG(val); 805 806 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 807 & (nr==0 ? 0xcf : 0x3f)) 808 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 809 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 810 811 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 812 & ~(1 << (5 + nr))) 813 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 814 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 815 816 /* Restore fan_min */ 817 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 818 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 819 820 mutex_unlock(&data->update_lock); 821 return count; 822 } 823 824 static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, 825 show_fan_div, store_fan_div, 0); 826 static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, 827 show_fan_div, store_fan_div, 1); 828 static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, 829 show_fan_div, store_fan_div, 2); 830 831 static ssize_t 832 show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) 833 { 834 int nr = to_sensor_dev_attr(devattr)->index; 835 struct w83627hf_data *data = w83627hf_update_device(dev); 836 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 837 } 838 839 static ssize_t 840 store_pwm(struct device *dev, struct device_attribute *devattr, 841 const char *buf, size_t count) 842 { 843 int nr = to_sensor_dev_attr(devattr)->index; 844 struct w83627hf_data *data = dev_get_drvdata(dev); 845 u32 val = simple_strtoul(buf, NULL, 10); 846 847 mutex_lock(&data->update_lock); 848 849 if (data->type == w83627thf) { 850 /* bits 0-3 are reserved in 627THF */ 851 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 852 w83627hf_write_value(data, 853 W836X7HF_REG_PWM(data->type, nr), 854 data->pwm[nr] | 855 (w83627hf_read_value(data, 856 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 857 } else { 858 data->pwm[nr] = PWM_TO_REG(val); 859 w83627hf_write_value(data, 860 W836X7HF_REG_PWM(data->type, nr), 861 data->pwm[nr]); 862 } 863 864 mutex_unlock(&data->update_lock); 865 return count; 866 } 867 868 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); 869 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); 870 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); 871 872 static ssize_t 873 show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) 874 { 875 int nr = to_sensor_dev_attr(devattr)->index; 876 struct w83627hf_data *data = w83627hf_update_device(dev); 877 if (data->type == w83627hf) 878 return sprintf(buf, "%ld\n", 879 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 880 else 881 return sprintf(buf, "%ld\n", 882 pwm_freq_from_reg(data->pwm_freq[nr])); 883 } 884 885 static ssize_t 886 store_pwm_freq(struct device *dev, struct device_attribute *devattr, 887 const char *buf, size_t count) 888 { 889 int nr = to_sensor_dev_attr(devattr)->index; 890 struct w83627hf_data *data = dev_get_drvdata(dev); 891 static const u8 mask[]={0xF8, 0x8F}; 892 u32 val; 893 894 val = simple_strtoul(buf, NULL, 10); 895 896 mutex_lock(&data->update_lock); 897 898 if (data->type == w83627hf) { 899 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 900 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 901 (data->pwm_freq[nr] << (nr*4)) | 902 (w83627hf_read_value(data, 903 W83627HF_REG_PWM_FREQ) & mask[nr])); 904 } else { 905 data->pwm_freq[nr] = pwm_freq_to_reg(val); 906 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 907 data->pwm_freq[nr]); 908 } 909 910 mutex_unlock(&data->update_lock); 911 return count; 912 } 913 914 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, 915 show_pwm_freq, store_pwm_freq, 0); 916 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, 917 show_pwm_freq, store_pwm_freq, 1); 918 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, 919 show_pwm_freq, store_pwm_freq, 2); 920 921 static ssize_t 922 show_temp_type(struct device *dev, struct device_attribute *devattr, 923 char *buf) 924 { 925 int nr = to_sensor_dev_attr(devattr)->index; 926 struct w83627hf_data *data = w83627hf_update_device(dev); 927 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 928 } 929 930 static ssize_t 931 store_temp_type(struct device *dev, struct device_attribute *devattr, 932 const char *buf, size_t count) 933 { 934 int nr = to_sensor_dev_attr(devattr)->index; 935 struct w83627hf_data *data = dev_get_drvdata(dev); 936 u32 val, tmp; 937 938 val = simple_strtoul(buf, NULL, 10); 939 940 mutex_lock(&data->update_lock); 941 942 switch (val) { 943 case 1: /* PII/Celeron diode */ 944 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 945 w83627hf_write_value(data, W83781D_REG_SCFG1, 946 tmp | BIT_SCFG1[nr]); 947 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 948 w83627hf_write_value(data, W83781D_REG_SCFG2, 949 tmp | BIT_SCFG2[nr]); 950 data->sens[nr] = val; 951 break; 952 case 2: /* 3904 */ 953 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 954 w83627hf_write_value(data, W83781D_REG_SCFG1, 955 tmp | BIT_SCFG1[nr]); 956 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 957 w83627hf_write_value(data, W83781D_REG_SCFG2, 958 tmp & ~BIT_SCFG2[nr]); 959 data->sens[nr] = val; 960 break; 961 case W83781D_DEFAULT_BETA: 962 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 963 "instead\n", W83781D_DEFAULT_BETA); 964 /* fall through */ 965 case 4: /* thermistor */ 966 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 967 w83627hf_write_value(data, W83781D_REG_SCFG1, 968 tmp & ~BIT_SCFG1[nr]); 969 data->sens[nr] = val; 970 break; 971 default: 972 dev_err(dev, 973 "Invalid sensor type %ld; must be 1, 2, or 4\n", 974 (long) val); 975 break; 976 } 977 978 mutex_unlock(&data->update_lock); 979 return count; 980 } 981 982 #define sysfs_temp_type(offset) \ 983 static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 984 show_temp_type, store_temp_type, offset - 1); 985 986 sysfs_temp_type(1); 987 sysfs_temp_type(2); 988 sysfs_temp_type(3); 989 990 static ssize_t 991 show_name(struct device *dev, struct device_attribute *devattr, char *buf) 992 { 993 struct w83627hf_data *data = dev_get_drvdata(dev); 994 995 return sprintf(buf, "%s\n", data->name); 996 } 997 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 998 999 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1000 struct w83627hf_sio_data *sio_data) 1001 { 1002 int err = -ENODEV; 1003 u16 val; 1004 1005 static const __initdata char *names[] = { 1006 "W83627HF", 1007 "W83627THF", 1008 "W83697HF", 1009 "W83637HF", 1010 "W83687THF", 1011 }; 1012 1013 REG = sioaddr; 1014 VAL = sioaddr + 1; 1015 1016 superio_enter(); 1017 val= superio_inb(DEVID); 1018 switch (val) { 1019 case W627_DEVID: 1020 sio_data->type = w83627hf; 1021 break; 1022 case W627THF_DEVID: 1023 sio_data->type = w83627thf; 1024 break; 1025 case W697_DEVID: 1026 sio_data->type = w83697hf; 1027 break; 1028 case W637_DEVID: 1029 sio_data->type = w83637hf; 1030 break; 1031 case W687THF_DEVID: 1032 sio_data->type = w83687thf; 1033 break; 1034 case 0xff: /* No device at all */ 1035 goto exit; 1036 default: 1037 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1038 goto exit; 1039 } 1040 1041 superio_select(W83627HF_LD_HWM); 1042 force_addr &= WINB_ALIGNMENT; 1043 if (force_addr) { 1044 printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n", 1045 force_addr); 1046 superio_outb(WINB_BASE_REG, force_addr >> 8); 1047 superio_outb(WINB_BASE_REG + 1, force_addr & 0xff); 1048 } 1049 val = (superio_inb(WINB_BASE_REG) << 8) | 1050 superio_inb(WINB_BASE_REG + 1); 1051 *addr = val & WINB_ALIGNMENT; 1052 if (*addr == 0) { 1053 printk(KERN_WARNING DRVNAME ": Base address not set, " 1054 "skipping\n"); 1055 goto exit; 1056 } 1057 1058 val = superio_inb(WINB_ACT_REG); 1059 if (!(val & 0x01)) { 1060 printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n"); 1061 superio_outb(WINB_ACT_REG, val | 0x01); 1062 } 1063 1064 err = 0; 1065 pr_info(DRVNAME ": Found %s chip at %#x\n", 1066 names[sio_data->type], *addr); 1067 1068 exit: 1069 superio_exit(); 1070 return err; 1071 } 1072 1073 #define VIN_UNIT_ATTRS(_X_) \ 1074 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1075 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1076 &sensor_dev_attr_in##_X_##_max.dev_attr.attr 1077 1078 #define FAN_UNIT_ATTRS(_X_) \ 1079 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1080 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1081 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr 1082 1083 #define TEMP_UNIT_ATTRS(_X_) \ 1084 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1085 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1086 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1087 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr 1088 1089 static struct attribute *w83627hf_attributes[] = { 1090 &dev_attr_in0_input.attr, 1091 &dev_attr_in0_min.attr, 1092 &dev_attr_in0_max.attr, 1093 VIN_UNIT_ATTRS(2), 1094 VIN_UNIT_ATTRS(3), 1095 VIN_UNIT_ATTRS(4), 1096 VIN_UNIT_ATTRS(7), 1097 VIN_UNIT_ATTRS(8), 1098 1099 FAN_UNIT_ATTRS(1), 1100 FAN_UNIT_ATTRS(2), 1101 1102 TEMP_UNIT_ATTRS(1), 1103 TEMP_UNIT_ATTRS(2), 1104 1105 &dev_attr_alarms.attr, 1106 &dev_attr_beep_enable.attr, 1107 &dev_attr_beep_mask.attr, 1108 1109 &sensor_dev_attr_pwm1.dev_attr.attr, 1110 &sensor_dev_attr_pwm2.dev_attr.attr, 1111 &dev_attr_name.attr, 1112 NULL 1113 }; 1114 1115 static const struct attribute_group w83627hf_group = { 1116 .attrs = w83627hf_attributes, 1117 }; 1118 1119 static struct attribute *w83627hf_attributes_opt[] = { 1120 VIN_UNIT_ATTRS(1), 1121 VIN_UNIT_ATTRS(5), 1122 VIN_UNIT_ATTRS(6), 1123 1124 FAN_UNIT_ATTRS(3), 1125 TEMP_UNIT_ATTRS(3), 1126 &sensor_dev_attr_pwm3.dev_attr.attr, 1127 1128 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1129 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1130 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1131 NULL 1132 }; 1133 1134 static const struct attribute_group w83627hf_group_opt = { 1135 .attrs = w83627hf_attributes_opt, 1136 }; 1137 1138 static int __devinit w83627hf_probe(struct platform_device *pdev) 1139 { 1140 struct device *dev = &pdev->dev; 1141 struct w83627hf_sio_data *sio_data = dev->platform_data; 1142 struct w83627hf_data *data; 1143 struct resource *res; 1144 int err, i; 1145 1146 static const char *names[] = { 1147 "w83627hf", 1148 "w83627thf", 1149 "w83697hf", 1150 "w83637hf", 1151 "w83687thf", 1152 }; 1153 1154 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1155 if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) { 1156 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1157 (unsigned long)res->start, 1158 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1159 err = -EBUSY; 1160 goto ERROR0; 1161 } 1162 1163 if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { 1164 err = -ENOMEM; 1165 goto ERROR1; 1166 } 1167 data->addr = res->start; 1168 data->type = sio_data->type; 1169 data->name = names[sio_data->type]; 1170 mutex_init(&data->lock); 1171 mutex_init(&data->update_lock); 1172 platform_set_drvdata(pdev, data); 1173 1174 /* Initialize the chip */ 1175 w83627hf_init_device(pdev); 1176 1177 /* A few vars need to be filled upon startup */ 1178 for (i = 0; i <= 2; i++) 1179 data->fan_min[i] = w83627hf_read_value( 1180 data, W83627HF_REG_FAN_MIN(i)); 1181 w83627hf_update_fan_div(data); 1182 1183 /* Register common device attributes */ 1184 if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group))) 1185 goto ERROR3; 1186 1187 /* Register chip-specific device attributes */ 1188 if (data->type == w83627hf || data->type == w83697hf) 1189 if ((err = device_create_file(dev, 1190 &sensor_dev_attr_in5_input.dev_attr)) 1191 || (err = device_create_file(dev, 1192 &sensor_dev_attr_in5_min.dev_attr)) 1193 || (err = device_create_file(dev, 1194 &sensor_dev_attr_in5_max.dev_attr)) 1195 || (err = device_create_file(dev, 1196 &sensor_dev_attr_in6_input.dev_attr)) 1197 || (err = device_create_file(dev, 1198 &sensor_dev_attr_in6_min.dev_attr)) 1199 || (err = device_create_file(dev, 1200 &sensor_dev_attr_in6_max.dev_attr)) 1201 || (err = device_create_file(dev, 1202 &sensor_dev_attr_pwm1_freq.dev_attr)) 1203 || (err = device_create_file(dev, 1204 &sensor_dev_attr_pwm2_freq.dev_attr))) 1205 goto ERROR4; 1206 1207 if (data->type != w83697hf) 1208 if ((err = device_create_file(dev, 1209 &sensor_dev_attr_in1_input.dev_attr)) 1210 || (err = device_create_file(dev, 1211 &sensor_dev_attr_in1_min.dev_attr)) 1212 || (err = device_create_file(dev, 1213 &sensor_dev_attr_in1_max.dev_attr)) 1214 || (err = device_create_file(dev, 1215 &sensor_dev_attr_fan3_input.dev_attr)) 1216 || (err = device_create_file(dev, 1217 &sensor_dev_attr_fan3_min.dev_attr)) 1218 || (err = device_create_file(dev, 1219 &sensor_dev_attr_fan3_div.dev_attr)) 1220 || (err = device_create_file(dev, 1221 &sensor_dev_attr_temp3_input.dev_attr)) 1222 || (err = device_create_file(dev, 1223 &sensor_dev_attr_temp3_max.dev_attr)) 1224 || (err = device_create_file(dev, 1225 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1226 || (err = device_create_file(dev, 1227 &sensor_dev_attr_temp3_type.dev_attr))) 1228 goto ERROR4; 1229 1230 if (data->type != w83697hf && data->vid != 0xff) { 1231 /* Convert VID to voltage based on VRM */ 1232 data->vrm = vid_which_vrm(); 1233 1234 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1235 || (err = device_create_file(dev, &dev_attr_vrm))) 1236 goto ERROR4; 1237 } 1238 1239 if (data->type == w83627thf || data->type == w83637hf 1240 || data->type == w83687thf) 1241 if ((err = device_create_file(dev, 1242 &sensor_dev_attr_pwm3.dev_attr))) 1243 goto ERROR4; 1244 1245 if (data->type == w83637hf || data->type == w83687thf) 1246 if ((err = device_create_file(dev, 1247 &sensor_dev_attr_pwm1_freq.dev_attr)) 1248 || (err = device_create_file(dev, 1249 &sensor_dev_attr_pwm2_freq.dev_attr)) 1250 || (err = device_create_file(dev, 1251 &sensor_dev_attr_pwm3_freq.dev_attr))) 1252 goto ERROR4; 1253 1254 data->hwmon_dev = hwmon_device_register(dev); 1255 if (IS_ERR(data->hwmon_dev)) { 1256 err = PTR_ERR(data->hwmon_dev); 1257 goto ERROR4; 1258 } 1259 1260 return 0; 1261 1262 ERROR4: 1263 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1264 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1265 ERROR3: 1266 platform_set_drvdata(pdev, NULL); 1267 kfree(data); 1268 ERROR1: 1269 release_region(res->start, WINB_REGION_SIZE); 1270 ERROR0: 1271 return err; 1272 } 1273 1274 static int __devexit w83627hf_remove(struct platform_device *pdev) 1275 { 1276 struct w83627hf_data *data = platform_get_drvdata(pdev); 1277 struct resource *res; 1278 1279 hwmon_device_unregister(data->hwmon_dev); 1280 1281 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1282 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1283 platform_set_drvdata(pdev, NULL); 1284 kfree(data); 1285 1286 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1287 release_region(res->start, WINB_REGION_SIZE); 1288 1289 return 0; 1290 } 1291 1292 1293 /* Registers 0x50-0x5f are banked */ 1294 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 1295 { 1296 if ((reg & 0x00f0) == 0x50) { 1297 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1298 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 1299 } 1300 } 1301 1302 /* Not strictly necessary, but play it safe for now */ 1303 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 1304 { 1305 if (reg & 0xff00) { 1306 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 1307 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 1308 } 1309 } 1310 1311 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 1312 { 1313 int res, word_sized; 1314 1315 mutex_lock(&data->lock); 1316 word_sized = (((reg & 0xff00) == 0x100) 1317 || ((reg & 0xff00) == 0x200)) 1318 && (((reg & 0x00ff) == 0x50) 1319 || ((reg & 0x00ff) == 0x53) 1320 || ((reg & 0x00ff) == 0x55)); 1321 w83627hf_set_bank(data, reg); 1322 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1323 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 1324 if (word_sized) { 1325 outb_p((reg & 0xff) + 1, 1326 data->addr + W83781D_ADDR_REG_OFFSET); 1327 res = 1328 (res << 8) + inb_p(data->addr + 1329 W83781D_DATA_REG_OFFSET); 1330 } 1331 w83627hf_reset_bank(data, reg); 1332 mutex_unlock(&data->lock); 1333 return res; 1334 } 1335 1336 static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) 1337 { 1338 int res = 0xff, sel; 1339 1340 superio_enter(); 1341 superio_select(W83627HF_LD_GPIO5); 1342 1343 /* Make sure these GPIO pins are enabled */ 1344 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { 1345 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 1346 goto exit; 1347 } 1348 1349 /* Make sure the pins are configured for input 1350 There must be at least five (VRM 9), and possibly 6 (VRM 10) */ 1351 sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f; 1352 if ((sel & 0x1f) != 0x1f) { 1353 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 1354 "function\n"); 1355 goto exit; 1356 } 1357 1358 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 1359 res = superio_inb(W83627THF_GPIO5_DR) & sel; 1360 1361 exit: 1362 superio_exit(); 1363 return res; 1364 } 1365 1366 static int __devinit w83687thf_read_vid(struct platform_device *pdev) 1367 { 1368 int res = 0xff; 1369 1370 superio_enter(); 1371 superio_select(W83627HF_LD_HWM); 1372 1373 /* Make sure these GPIO pins are enabled */ 1374 if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) { 1375 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 1376 goto exit; 1377 } 1378 1379 /* Make sure the pins are configured for input */ 1380 if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) { 1381 dev_dbg(&pdev->dev, "VID configured as output, " 1382 "no VID function\n"); 1383 goto exit; 1384 } 1385 1386 res = superio_inb(W83687THF_VID_DATA) & 0x3f; 1387 1388 exit: 1389 superio_exit(); 1390 return res; 1391 } 1392 1393 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 1394 { 1395 int word_sized; 1396 1397 mutex_lock(&data->lock); 1398 word_sized = (((reg & 0xff00) == 0x100) 1399 || ((reg & 0xff00) == 0x200)) 1400 && (((reg & 0x00ff) == 0x53) 1401 || ((reg & 0x00ff) == 0x55)); 1402 w83627hf_set_bank(data, reg); 1403 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 1404 if (word_sized) { 1405 outb_p(value >> 8, 1406 data->addr + W83781D_DATA_REG_OFFSET); 1407 outb_p((reg & 0xff) + 1, 1408 data->addr + W83781D_ADDR_REG_OFFSET); 1409 } 1410 outb_p(value & 0xff, 1411 data->addr + W83781D_DATA_REG_OFFSET); 1412 w83627hf_reset_bank(data, reg); 1413 mutex_unlock(&data->lock); 1414 return 0; 1415 } 1416 1417 static void __devinit w83627hf_init_device(struct platform_device *pdev) 1418 { 1419 struct w83627hf_data *data = platform_get_drvdata(pdev); 1420 int i; 1421 enum chips type = data->type; 1422 u8 tmp; 1423 1424 if (reset) { 1425 /* Resetting the chip has been the default for a long time, 1426 but repeatedly caused problems (fans going to full 1427 speed...) so it is now optional. It might even go away if 1428 nobody reports it as being useful, as I see very little 1429 reason why this would be needed at all. */ 1430 dev_info(&pdev->dev, "If reset=1 solved a problem you were " 1431 "having, please report!\n"); 1432 1433 /* save this register */ 1434 i = w83627hf_read_value(data, W83781D_REG_BEEP_CONFIG); 1435 /* Reset all except Watchdog values and last conversion values 1436 This sets fan-divs to 2, among others */ 1437 w83627hf_write_value(data, W83781D_REG_CONFIG, 0x80); 1438 /* Restore the register and disable power-on abnormal beep. 1439 This saves FAN 1/2/3 input/output values set by BIOS. */ 1440 w83627hf_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); 1441 /* Disable master beep-enable (reset turns it on). 1442 Individual beeps should be reset to off but for some reason 1443 disabling this bit helps some people not get beeped */ 1444 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 0); 1445 } 1446 1447 /* Minimize conflicts with other winbond i2c-only clients... */ 1448 /* disable i2c subclients... how to disable main i2c client?? */ 1449 /* force i2c address to relatively uncommon address */ 1450 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 1451 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 1452 1453 /* Read VID only once */ 1454 if (type == w83627hf || type == w83637hf) { 1455 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1456 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 1457 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1458 } else if (type == w83627thf) { 1459 data->vid = w83627thf_read_gpio5(pdev); 1460 } else if (type == w83687thf) { 1461 data->vid = w83687thf_read_vid(pdev); 1462 } 1463 1464 /* Read VRM & OVT Config only once */ 1465 if (type == w83627thf || type == w83637hf || type == w83687thf) { 1466 data->vrm_ovt = 1467 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 1468 } 1469 1470 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1471 for (i = 1; i <= 3; i++) { 1472 if (!(tmp & BIT_SCFG1[i - 1])) { 1473 data->sens[i - 1] = 4; 1474 } else { 1475 if (w83627hf_read_value 1476 (data, 1477 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1478 data->sens[i - 1] = 1; 1479 else 1480 data->sens[i - 1] = 2; 1481 } 1482 if ((type == w83697hf) && (i == 2)) 1483 break; 1484 } 1485 1486 if(init) { 1487 /* Enable temp2 */ 1488 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 1489 if (tmp & 0x01) { 1490 dev_warn(&pdev->dev, "Enabling temp2, readings " 1491 "might not make sense\n"); 1492 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 1493 tmp & 0xfe); 1494 } 1495 1496 /* Enable temp3 */ 1497 if (type != w83697hf) { 1498 tmp = w83627hf_read_value(data, 1499 W83627HF_REG_TEMP3_CONFIG); 1500 if (tmp & 0x01) { 1501 dev_warn(&pdev->dev, "Enabling temp3, " 1502 "readings might not make sense\n"); 1503 w83627hf_write_value(data, 1504 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 1505 } 1506 } 1507 } 1508 1509 /* Start monitoring */ 1510 w83627hf_write_value(data, W83781D_REG_CONFIG, 1511 (w83627hf_read_value(data, 1512 W83781D_REG_CONFIG) & 0xf7) 1513 | 0x01); 1514 } 1515 1516 static void w83627hf_update_fan_div(struct w83627hf_data *data) 1517 { 1518 int reg; 1519 1520 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 1521 data->fan_div[0] = (reg >> 4) & 0x03; 1522 data->fan_div[1] = (reg >> 6) & 0x03; 1523 if (data->type != w83697hf) { 1524 data->fan_div[2] = (w83627hf_read_value(data, 1525 W83781D_REG_PIN) >> 6) & 0x03; 1526 } 1527 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 1528 data->fan_div[0] |= (reg >> 3) & 0x04; 1529 data->fan_div[1] |= (reg >> 4) & 0x04; 1530 if (data->type != w83697hf) 1531 data->fan_div[2] |= (reg >> 5) & 0x04; 1532 } 1533 1534 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1535 { 1536 struct w83627hf_data *data = dev_get_drvdata(dev); 1537 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 1538 1539 mutex_lock(&data->update_lock); 1540 1541 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1542 || !data->valid) { 1543 for (i = 0; i <= 8; i++) { 1544 /* skip missing sensors */ 1545 if (((data->type == w83697hf) && (i == 1)) || 1546 ((data->type != w83627hf && data->type != w83697hf) 1547 && (i == 5 || i == 6))) 1548 continue; 1549 data->in[i] = 1550 w83627hf_read_value(data, W83781D_REG_IN(i)); 1551 data->in_min[i] = 1552 w83627hf_read_value(data, 1553 W83781D_REG_IN_MIN(i)); 1554 data->in_max[i] = 1555 w83627hf_read_value(data, 1556 W83781D_REG_IN_MAX(i)); 1557 } 1558 for (i = 0; i <= 2; i++) { 1559 data->fan[i] = 1560 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 1561 data->fan_min[i] = 1562 w83627hf_read_value(data, 1563 W83627HF_REG_FAN_MIN(i)); 1564 } 1565 for (i = 0; i <= 2; i++) { 1566 u8 tmp = w83627hf_read_value(data, 1567 W836X7HF_REG_PWM(data->type, i)); 1568 /* bits 0-3 are reserved in 627THF */ 1569 if (data->type == w83627thf) 1570 tmp &= 0xf0; 1571 data->pwm[i] = tmp; 1572 if (i == 1 && 1573 (data->type == w83627hf || data->type == w83697hf)) 1574 break; 1575 } 1576 if (data->type == w83627hf) { 1577 u8 tmp = w83627hf_read_value(data, 1578 W83627HF_REG_PWM_FREQ); 1579 data->pwm_freq[0] = tmp & 0x07; 1580 data->pwm_freq[1] = (tmp >> 4) & 0x07; 1581 } else if (data->type != w83627thf) { 1582 for (i = 1; i <= 3; i++) { 1583 data->pwm_freq[i - 1] = 1584 w83627hf_read_value(data, 1585 W83637HF_REG_PWM_FREQ[i - 1]); 1586 if (i == 2 && (data->type == w83697hf)) 1587 break; 1588 } 1589 } 1590 for (i = 0; i < num_temps; i++) { 1591 data->temp[i] = w83627hf_read_value( 1592 data, w83627hf_reg_temp[i]); 1593 data->temp_max[i] = w83627hf_read_value( 1594 data, w83627hf_reg_temp_over[i]); 1595 data->temp_max_hyst[i] = w83627hf_read_value( 1596 data, w83627hf_reg_temp_hyst[i]); 1597 } 1598 1599 w83627hf_update_fan_div(data); 1600 1601 data->alarms = 1602 w83627hf_read_value(data, W83781D_REG_ALARM1) | 1603 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 1604 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 1605 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 1606 data->beep_enable = i >> 7; 1607 data->beep_mask = ((i & 0x7f) << 8) | 1608 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 1609 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 1610 data->last_updated = jiffies; 1611 data->valid = 1; 1612 } 1613 1614 mutex_unlock(&data->update_lock); 1615 1616 return data; 1617 } 1618 1619 static int __init w83627hf_device_add(unsigned short address, 1620 const struct w83627hf_sio_data *sio_data) 1621 { 1622 struct resource res = { 1623 .start = address + WINB_REGION_OFFSET, 1624 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1625 .name = DRVNAME, 1626 .flags = IORESOURCE_IO, 1627 }; 1628 int err; 1629 1630 pdev = platform_device_alloc(DRVNAME, address); 1631 if (!pdev) { 1632 err = -ENOMEM; 1633 printk(KERN_ERR DRVNAME ": Device allocation failed\n"); 1634 goto exit; 1635 } 1636 1637 err = platform_device_add_resources(pdev, &res, 1); 1638 if (err) { 1639 printk(KERN_ERR DRVNAME ": Device resource addition failed " 1640 "(%d)\n", err); 1641 goto exit_device_put; 1642 } 1643 1644 err = platform_device_add_data(pdev, sio_data, 1645 sizeof(struct w83627hf_sio_data)); 1646 if (err) { 1647 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); 1648 goto exit_device_put; 1649 } 1650 1651 err = platform_device_add(pdev); 1652 if (err) { 1653 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", 1654 err); 1655 goto exit_device_put; 1656 } 1657 1658 return 0; 1659 1660 exit_device_put: 1661 platform_device_put(pdev); 1662 exit: 1663 return err; 1664 } 1665 1666 static int __init sensors_w83627hf_init(void) 1667 { 1668 int err; 1669 unsigned short address; 1670 struct w83627hf_sio_data sio_data; 1671 1672 if (w83627hf_find(0x2e, &address, &sio_data) 1673 && w83627hf_find(0x4e, &address, &sio_data)) 1674 return -ENODEV; 1675 1676 err = platform_driver_register(&w83627hf_driver); 1677 if (err) 1678 goto exit; 1679 1680 /* Sets global pdev as a side effect */ 1681 err = w83627hf_device_add(address, &sio_data); 1682 if (err) 1683 goto exit_driver; 1684 1685 return 0; 1686 1687 exit_driver: 1688 platform_driver_unregister(&w83627hf_driver); 1689 exit: 1690 return err; 1691 } 1692 1693 static void __exit sensors_w83627hf_exit(void) 1694 { 1695 platform_device_unregister(pdev); 1696 platform_driver_unregister(&w83627hf_driver); 1697 } 1698 1699 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1700 "Philip Edelbrock <phil@netroedge.com>, " 1701 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 1702 MODULE_DESCRIPTION("W83627HF driver"); 1703 MODULE_LICENSE("GPL"); 1704 1705 module_init(sensors_w83627hf_init); 1706 module_exit(sensors_w83627hf_exit); 1707