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