1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware 4 * monitoring 5 * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 6 * Philip Edelbrock <phil@netroedge.com>, 7 * and Mark Studebaker <mdsxyz123@yahoo.com> 8 * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> 9 * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de> 10 */ 11 12 /* 13 * Supports following chips: 14 * 15 * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 16 * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 17 * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 18 * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 19 * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 20 * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 21 * 22 * For other winbond chips, and for i2c support in the above chips, 23 * use w83781d.c. 24 * 25 * Note: automatic ("cruise") fan control for 697, 637 & 627thf not 26 * supported yet. 27 */ 28 29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 30 31 #include <linux/module.h> 32 #include <linux/init.h> 33 #include <linux/slab.h> 34 #include <linux/jiffies.h> 35 #include <linux/platform_device.h> 36 #include <linux/hwmon.h> 37 #include <linux/hwmon-sysfs.h> 38 #include <linux/hwmon-vid.h> 39 #include <linux/err.h> 40 #include <linux/mutex.h> 41 #include <linux/ioport.h> 42 #include <linux/acpi.h> 43 #include <linux/io.h> 44 #include "lm75.h" 45 46 static struct platform_device *pdev; 47 48 #define DRVNAME "w83627hf" 49 enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; 50 51 struct w83627hf_sio_data { 52 enum chips type; 53 int sioaddr; 54 }; 55 56 static u8 force_i2c = 0x1f; 57 module_param(force_i2c, byte, 0); 58 MODULE_PARM_DESC(force_i2c, 59 "Initialize the i2c address of the sensors"); 60 61 static bool init = 1; 62 module_param(init, bool, 0); 63 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 64 65 static unsigned short force_id; 66 module_param(force_id, ushort, 0); 67 MODULE_PARM_DESC(force_id, "Override the detected device ID"); 68 69 /* modified from kernel/include/traps.c */ 70 #define DEV 0x07 /* Register: Logical device select */ 71 72 /* logical device numbers for superio_select (below) */ 73 #define W83627HF_LD_FDC 0x00 74 #define W83627HF_LD_PRT 0x01 75 #define W83627HF_LD_UART1 0x02 76 #define W83627HF_LD_UART2 0x03 77 #define W83627HF_LD_KBC 0x05 78 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 79 #define W83627HF_LD_GAME 0x07 80 #define W83627HF_LD_MIDI 0x07 81 #define W83627HF_LD_GPIO1 0x07 82 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 83 #define W83627HF_LD_GPIO2 0x08 84 #define W83627HF_LD_GPIO3 0x09 85 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 86 #define W83627HF_LD_ACPI 0x0a 87 #define W83627HF_LD_HWM 0x0b 88 89 #define DEVID 0x20 /* Register: Device ID */ 90 91 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 92 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 93 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 94 95 #define W83687THF_VID_EN 0x29 /* w83687thf only */ 96 #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ 97 #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ 98 99 static inline void 100 superio_outb(struct w83627hf_sio_data *sio, int reg, int val) 101 { 102 outb(reg, sio->sioaddr); 103 outb(val, sio->sioaddr + 1); 104 } 105 106 static inline int 107 superio_inb(struct w83627hf_sio_data *sio, int reg) 108 { 109 outb(reg, sio->sioaddr); 110 return inb(sio->sioaddr + 1); 111 } 112 113 static inline void 114 superio_select(struct w83627hf_sio_data *sio, int ld) 115 { 116 outb(DEV, sio->sioaddr); 117 outb(ld, sio->sioaddr + 1); 118 } 119 120 static inline int 121 superio_enter(struct w83627hf_sio_data *sio) 122 { 123 if (!request_muxed_region(sio->sioaddr, 2, DRVNAME)) 124 return -EBUSY; 125 126 outb(0x87, sio->sioaddr); 127 outb(0x87, sio->sioaddr); 128 129 return 0; 130 } 131 132 static inline void 133 superio_exit(struct w83627hf_sio_data *sio) 134 { 135 outb(0xAA, sio->sioaddr); 136 release_region(sio->sioaddr, 2); 137 } 138 139 #define W627_DEVID 0x52 140 #define W627THF_DEVID 0x82 141 #define W697_DEVID 0x60 142 #define W637_DEVID 0x70 143 #define W687THF_DEVID 0x85 144 #define WINB_ACT_REG 0x30 145 #define WINB_BASE_REG 0x60 146 /* Constants specified below */ 147 148 /* Alignment of the base address */ 149 #define WINB_ALIGNMENT ~7 150 151 /* Offset & size of I/O region we are interested in */ 152 #define WINB_REGION_OFFSET 5 153 #define WINB_REGION_SIZE 2 154 155 /* Where are the sensors address/data registers relative to the region offset */ 156 #define W83781D_ADDR_REG_OFFSET 0 157 #define W83781D_DATA_REG_OFFSET 1 158 159 /* The W83781D registers */ 160 /* The W83782D registers for nr=7,8 are in bank 5 */ 161 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 162 (0x554 + (((nr) - 7) * 2))) 163 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 164 (0x555 + (((nr) - 7) * 2))) 165 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 166 (0x550 + (nr) - 7)) 167 168 /* nr:0-2 for fans:1-3 */ 169 #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) 170 #define W83627HF_REG_FAN(nr) (0x28 + (nr)) 171 172 #define W83627HF_REG_TEMP2_CONFIG 0x152 173 #define W83627HF_REG_TEMP3_CONFIG 0x252 174 /* these are zero-based, unlike config constants above */ 175 static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; 176 static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; 177 static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; 178 179 #define W83781D_REG_BANK 0x4E 180 181 #define W83781D_REG_CONFIG 0x40 182 #define W83781D_REG_ALARM1 0x459 183 #define W83781D_REG_ALARM2 0x45A 184 #define W83781D_REG_ALARM3 0x45B 185 186 #define W83781D_REG_BEEP_CONFIG 0x4D 187 #define W83781D_REG_BEEP_INTS1 0x56 188 #define W83781D_REG_BEEP_INTS2 0x57 189 #define W83781D_REG_BEEP_INTS3 0x453 190 191 #define W83781D_REG_VID_FANDIV 0x47 192 193 #define W83781D_REG_CHIPID 0x49 194 #define W83781D_REG_WCHIPID 0x58 195 #define W83781D_REG_CHIPMAN 0x4F 196 #define W83781D_REG_PIN 0x4B 197 198 #define W83781D_REG_VBAT 0x5D 199 200 #define W83627HF_REG_PWM1 0x5A 201 #define W83627HF_REG_PWM2 0x5B 202 203 static const u8 W83627THF_REG_PWM_ENABLE[] = { 204 0x04, /* FAN 1 mode */ 205 0x04, /* FAN 2 mode */ 206 0x12, /* FAN AUX mode */ 207 }; 208 static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; 209 210 #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ 211 #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ 212 #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ 213 214 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ 215 216 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 217 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 218 W83627THF_REG_PWM3 }; 219 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 220 regpwm_627hf[nr] : regpwm[nr]) 221 222 #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ 223 224 #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ 225 #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ 226 #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ 227 228 static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, 229 W83637HF_REG_PWM_FREQ2, 230 W83637HF_REG_PWM_FREQ3 }; 231 232 #define W83627HF_BASE_PWM_FREQ 46870 233 234 #define W83781D_REG_I2C_ADDR 0x48 235 #define W83781D_REG_I2C_SUBADDR 0x4A 236 237 /* Sensor selection */ 238 #define W83781D_REG_SCFG1 0x5D 239 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 240 #define W83781D_REG_SCFG2 0x59 241 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 242 #define W83781D_DEFAULT_BETA 3435 243 244 /* 245 * Conversions. Limit checking is only done on the TO_REG 246 * variants. Note that you should be a bit careful with which arguments 247 * these macros are called: arguments may be evaluated more than once. 248 * Fixing this is just not worth it. 249 */ 250 #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) 251 #define IN_FROM_REG(val) ((val) * 16) 252 253 static inline u8 FAN_TO_REG(long rpm, int div) 254 { 255 if (rpm == 0) 256 return 255; 257 rpm = clamp_val(rpm, 1, 1000000); 258 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 259 } 260 261 #define TEMP_MIN (-128000) 262 #define TEMP_MAX ( 127000) 263 264 /* 265 * TEMP: 0.001C/bit (-128C to +127C) 266 * REG: 1C/bit, two's complement 267 */ 268 static u8 TEMP_TO_REG(long temp) 269 { 270 int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX); 271 ntemp += (ntemp < 0 ? -500 : 500); 272 return (u8)(ntemp / 1000); 273 } 274 275 static int TEMP_FROM_REG(u8 reg) 276 { 277 return (s8)reg * 1000; 278 } 279 280 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 281 282 #define PWM_TO_REG(val) (clamp_val((val), 0, 255)) 283 284 static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) 285 { 286 unsigned long freq; 287 freq = W83627HF_BASE_PWM_FREQ >> reg; 288 return freq; 289 } 290 static inline u8 pwm_freq_to_reg_627hf(unsigned long val) 291 { 292 u8 i; 293 /* 294 * Only 5 dividers (1 2 4 8 16) 295 * Search for the nearest available frequency 296 */ 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 = clamp_val(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 /* 347 * For each registered chip, we need to keep some data in memory. 348 * The structure is dynamically allocated. 349 */ 350 struct w83627hf_data { 351 unsigned short addr; 352 const char *name; 353 struct device *hwmon_dev; 354 struct mutex lock; 355 enum chips type; 356 357 struct mutex update_lock; 358 bool valid; /* true if following fields are valid */ 359 unsigned long last_updated; /* In jiffies */ 360 361 u8 in[9]; /* Register value */ 362 u8 in_max[9]; /* Register value */ 363 u8 in_min[9]; /* Register value */ 364 u8 fan[3]; /* Register value */ 365 u8 fan_min[3]; /* Register value */ 366 u16 temp[3]; /* Register value */ 367 u16 temp_max[3]; /* Register value */ 368 u16 temp_max_hyst[3]; /* Register value */ 369 u8 fan_div[3]; /* Register encoding, shifted right */ 370 u8 vid; /* Register encoding, combined */ 371 u32 alarms; /* Register encoding, combined */ 372 u32 beep_mask; /* Register encoding, combined */ 373 u8 pwm[3]; /* Register value */ 374 u8 pwm_enable[3]; /* 1 = manual 375 * 2 = thermal cruise (also called SmartFan I) 376 * 3 = fan speed cruise 377 */ 378 u8 pwm_freq[3]; /* Register value */ 379 u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; 380 * 4 = thermistor 381 */ 382 u8 vrm; 383 u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ 384 385 #ifdef CONFIG_PM 386 /* Remember extra register values over suspend/resume */ 387 u8 scfg1; 388 u8 scfg2; 389 #endif 390 }; 391 392 /* Registers 0x50-0x5f are banked */ 393 static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) 394 { 395 if ((reg & 0x00f0) == 0x50) { 396 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 397 outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); 398 } 399 } 400 401 /* Not strictly necessary, but play it safe for now */ 402 static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) 403 { 404 if (reg & 0xff00) { 405 outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); 406 outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); 407 } 408 } 409 410 static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) 411 { 412 int res, word_sized; 413 414 mutex_lock(&data->lock); 415 word_sized = (((reg & 0xff00) == 0x100) 416 || ((reg & 0xff00) == 0x200)) 417 && (((reg & 0x00ff) == 0x50) 418 || ((reg & 0x00ff) == 0x53) 419 || ((reg & 0x00ff) == 0x55)); 420 w83627hf_set_bank(data, reg); 421 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 422 res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); 423 if (word_sized) { 424 outb_p((reg & 0xff) + 1, 425 data->addr + W83781D_ADDR_REG_OFFSET); 426 res = 427 (res << 8) + inb_p(data->addr + 428 W83781D_DATA_REG_OFFSET); 429 } 430 w83627hf_reset_bank(data, reg); 431 mutex_unlock(&data->lock); 432 return res; 433 } 434 435 static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) 436 { 437 int word_sized; 438 439 mutex_lock(&data->lock); 440 word_sized = (((reg & 0xff00) == 0x100) 441 || ((reg & 0xff00) == 0x200)) 442 && (((reg & 0x00ff) == 0x53) 443 || ((reg & 0x00ff) == 0x55)); 444 w83627hf_set_bank(data, reg); 445 outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); 446 if (word_sized) { 447 outb_p(value >> 8, 448 data->addr + W83781D_DATA_REG_OFFSET); 449 outb_p((reg & 0xff) + 1, 450 data->addr + W83781D_ADDR_REG_OFFSET); 451 } 452 outb_p(value & 0xff, 453 data->addr + W83781D_DATA_REG_OFFSET); 454 w83627hf_reset_bank(data, reg); 455 mutex_unlock(&data->lock); 456 return 0; 457 } 458 459 static void w83627hf_update_fan_div(struct w83627hf_data *data) 460 { 461 int reg; 462 463 reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 464 data->fan_div[0] = (reg >> 4) & 0x03; 465 data->fan_div[1] = (reg >> 6) & 0x03; 466 if (data->type != w83697hf) { 467 data->fan_div[2] = (w83627hf_read_value(data, 468 W83781D_REG_PIN) >> 6) & 0x03; 469 } 470 reg = w83627hf_read_value(data, W83781D_REG_VBAT); 471 data->fan_div[0] |= (reg >> 3) & 0x04; 472 data->fan_div[1] |= (reg >> 4) & 0x04; 473 if (data->type != w83697hf) 474 data->fan_div[2] |= (reg >> 5) & 0x04; 475 } 476 477 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 478 { 479 struct w83627hf_data *data = dev_get_drvdata(dev); 480 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 481 int num_pwms = (data->type == w83697hf) ? 2 : 3; 482 483 mutex_lock(&data->update_lock); 484 485 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 486 || !data->valid) { 487 for (i = 0; i <= 8; i++) { 488 /* skip missing sensors */ 489 if (((data->type == w83697hf) && (i == 1)) || 490 ((data->type != w83627hf && data->type != w83697hf) 491 && (i == 5 || i == 6))) 492 continue; 493 data->in[i] = 494 w83627hf_read_value(data, W83781D_REG_IN(i)); 495 data->in_min[i] = 496 w83627hf_read_value(data, 497 W83781D_REG_IN_MIN(i)); 498 data->in_max[i] = 499 w83627hf_read_value(data, 500 W83781D_REG_IN_MAX(i)); 501 } 502 for (i = 0; i <= 2; i++) { 503 data->fan[i] = 504 w83627hf_read_value(data, W83627HF_REG_FAN(i)); 505 data->fan_min[i] = 506 w83627hf_read_value(data, 507 W83627HF_REG_FAN_MIN(i)); 508 } 509 for (i = 0; i <= 2; i++) { 510 u8 tmp = w83627hf_read_value(data, 511 W836X7HF_REG_PWM(data->type, i)); 512 /* bits 0-3 are reserved in 627THF */ 513 if (data->type == w83627thf) 514 tmp &= 0xf0; 515 data->pwm[i] = tmp; 516 if (i == 1 && 517 (data->type == w83627hf || data->type == w83697hf)) 518 break; 519 } 520 if (data->type == w83627hf) { 521 u8 tmp = w83627hf_read_value(data, 522 W83627HF_REG_PWM_FREQ); 523 data->pwm_freq[0] = tmp & 0x07; 524 data->pwm_freq[1] = (tmp >> 4) & 0x07; 525 } else if (data->type != w83627thf) { 526 for (i = 1; i <= 3; i++) { 527 data->pwm_freq[i - 1] = 528 w83627hf_read_value(data, 529 W83637HF_REG_PWM_FREQ[i - 1]); 530 if (i == 2 && (data->type == w83697hf)) 531 break; 532 } 533 } 534 if (data->type != w83627hf) { 535 for (i = 0; i < num_pwms; i++) { 536 u8 tmp = w83627hf_read_value(data, 537 W83627THF_REG_PWM_ENABLE[i]); 538 data->pwm_enable[i] = 539 ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) 540 & 0x03) + 1; 541 } 542 } 543 for (i = 0; i < num_temps; i++) { 544 data->temp[i] = w83627hf_read_value( 545 data, w83627hf_reg_temp[i]); 546 data->temp_max[i] = w83627hf_read_value( 547 data, w83627hf_reg_temp_over[i]); 548 data->temp_max_hyst[i] = w83627hf_read_value( 549 data, w83627hf_reg_temp_hyst[i]); 550 } 551 552 w83627hf_update_fan_div(data); 553 554 data->alarms = 555 w83627hf_read_value(data, W83781D_REG_ALARM1) | 556 (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | 557 (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); 558 i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 559 data->beep_mask = (i << 8) | 560 w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | 561 w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; 562 data->last_updated = jiffies; 563 data->valid = true; 564 } 565 566 mutex_unlock(&data->update_lock); 567 568 return data; 569 } 570 571 #ifdef CONFIG_PM 572 static int w83627hf_suspend(struct device *dev) 573 { 574 struct w83627hf_data *data = w83627hf_update_device(dev); 575 576 mutex_lock(&data->update_lock); 577 data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); 578 data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); 579 mutex_unlock(&data->update_lock); 580 581 return 0; 582 } 583 584 static int w83627hf_resume(struct device *dev) 585 { 586 struct w83627hf_data *data = dev_get_drvdata(dev); 587 int i, num_temps = (data->type == w83697hf) ? 2 : 3; 588 589 /* Restore limits */ 590 mutex_lock(&data->update_lock); 591 for (i = 0; i <= 8; i++) { 592 /* skip missing sensors */ 593 if (((data->type == w83697hf) && (i == 1)) || 594 ((data->type != w83627hf && data->type != w83697hf) 595 && (i == 5 || i == 6))) 596 continue; 597 w83627hf_write_value(data, W83781D_REG_IN_MAX(i), 598 data->in_max[i]); 599 w83627hf_write_value(data, W83781D_REG_IN_MIN(i), 600 data->in_min[i]); 601 } 602 for (i = 0; i <= 2; i++) 603 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), 604 data->fan_min[i]); 605 for (i = 0; i < num_temps; i++) { 606 w83627hf_write_value(data, w83627hf_reg_temp_over[i], 607 data->temp_max[i]); 608 w83627hf_write_value(data, w83627hf_reg_temp_hyst[i], 609 data->temp_max_hyst[i]); 610 } 611 612 /* Fixup BIOS bugs */ 613 if (data->type == w83627thf || data->type == w83637hf || 614 data->type == w83687thf) 615 w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, 616 data->vrm_ovt); 617 w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1); 618 w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2); 619 620 /* Force re-reading all values */ 621 data->valid = false; 622 mutex_unlock(&data->update_lock); 623 624 return 0; 625 } 626 627 static const struct dev_pm_ops w83627hf_dev_pm_ops = { 628 .suspend = w83627hf_suspend, 629 .resume = w83627hf_resume, 630 }; 631 632 #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) 633 #else 634 #define W83627HF_DEV_PM_OPS NULL 635 #endif /* CONFIG_PM */ 636 637 static int w83627thf_read_gpio5(struct platform_device *pdev) 638 { 639 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 640 int res = 0xff, sel; 641 642 if (superio_enter(sio_data)) { 643 /* 644 * Some other driver reserved the address space for itself. 645 * We don't want to fail driver instantiation because of that, 646 * so display a warning and keep going. 647 */ 648 dev_warn(&pdev->dev, 649 "Can not read VID data: Failed to enable SuperIO access\n"); 650 return res; 651 } 652 653 superio_select(sio_data, W83627HF_LD_GPIO5); 654 655 res = 0xff; 656 657 /* Make sure these GPIO pins are enabled */ 658 if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { 659 dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); 660 goto exit; 661 } 662 663 /* 664 * Make sure the pins are configured for input 665 * There must be at least five (VRM 9), and possibly 6 (VRM 10) 666 */ 667 sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; 668 if ((sel & 0x1f) != 0x1f) { 669 dev_dbg(&pdev->dev, "GPIO5 not configured for VID " 670 "function\n"); 671 goto exit; 672 } 673 674 dev_info(&pdev->dev, "Reading VID from GPIO5\n"); 675 res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; 676 677 exit: 678 superio_exit(sio_data); 679 return res; 680 } 681 682 static int w83687thf_read_vid(struct platform_device *pdev) 683 { 684 struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev); 685 int res = 0xff; 686 687 if (superio_enter(sio_data)) { 688 /* 689 * Some other driver reserved the address space for itself. 690 * We don't want to fail driver instantiation because of that, 691 * so display a warning and keep going. 692 */ 693 dev_warn(&pdev->dev, 694 "Can not read VID data: Failed to enable SuperIO access\n"); 695 return res; 696 } 697 698 superio_select(sio_data, W83627HF_LD_HWM); 699 700 /* Make sure these GPIO pins are enabled */ 701 if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { 702 dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); 703 goto exit; 704 } 705 706 /* Make sure the pins are configured for input */ 707 if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { 708 dev_dbg(&pdev->dev, "VID configured as output, " 709 "no VID function\n"); 710 goto exit; 711 } 712 713 res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; 714 715 exit: 716 superio_exit(sio_data); 717 return res; 718 } 719 720 static void w83627hf_init_device(struct platform_device *pdev) 721 { 722 struct w83627hf_data *data = platform_get_drvdata(pdev); 723 int i; 724 enum chips type = data->type; 725 u8 tmp; 726 727 /* Minimize conflicts with other winbond i2c-only clients... */ 728 /* disable i2c subclients... how to disable main i2c client?? */ 729 /* force i2c address to relatively uncommon address */ 730 if (type == w83627hf) { 731 w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); 732 w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); 733 } 734 735 /* Read VID only once */ 736 if (type == w83627hf || type == w83637hf) { 737 int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); 738 int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); 739 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 740 } else if (type == w83627thf) { 741 data->vid = w83627thf_read_gpio5(pdev); 742 } else if (type == w83687thf) { 743 data->vid = w83687thf_read_vid(pdev); 744 } 745 746 /* Read VRM & OVT Config only once */ 747 if (type == w83627thf || type == w83637hf || type == w83687thf) { 748 data->vrm_ovt = 749 w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); 750 } 751 752 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 753 for (i = 1; i <= 3; i++) { 754 if (!(tmp & BIT_SCFG1[i - 1])) { 755 data->sens[i - 1] = 4; 756 } else { 757 if (w83627hf_read_value 758 (data, 759 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 760 data->sens[i - 1] = 1; 761 else 762 data->sens[i - 1] = 2; 763 } 764 if ((type == w83697hf) && (i == 2)) 765 break; 766 } 767 768 if(init) { 769 /* Enable temp2 */ 770 tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); 771 if (tmp & 0x01) { 772 dev_warn(&pdev->dev, "Enabling temp2, readings " 773 "might not make sense\n"); 774 w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, 775 tmp & 0xfe); 776 } 777 778 /* Enable temp3 */ 779 if (type != w83697hf) { 780 tmp = w83627hf_read_value(data, 781 W83627HF_REG_TEMP3_CONFIG); 782 if (tmp & 0x01) { 783 dev_warn(&pdev->dev, "Enabling temp3, " 784 "readings might not make sense\n"); 785 w83627hf_write_value(data, 786 W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); 787 } 788 } 789 } 790 791 /* Start monitoring */ 792 w83627hf_write_value(data, W83781D_REG_CONFIG, 793 (w83627hf_read_value(data, 794 W83781D_REG_CONFIG) & 0xf7) 795 | 0x01); 796 797 /* Enable VBAT monitoring if needed */ 798 tmp = w83627hf_read_value(data, W83781D_REG_VBAT); 799 if (!(tmp & 0x01)) 800 w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01); 801 } 802 803 /* use a different set of functions for in0 */ 804 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 805 { 806 long in0; 807 808 if ((data->vrm_ovt & 0x01) && 809 (w83627thf == data->type || w83637hf == data->type 810 || w83687thf == data->type)) 811 812 /* use VRM9 calculation */ 813 in0 = (long)((reg * 488 + 70000 + 50) / 100); 814 else 815 /* use VRM8 (standard) calculation */ 816 in0 = (long)IN_FROM_REG(reg); 817 818 return sprintf(buf,"%ld\n", in0); 819 } 820 821 static ssize_t in0_input_show(struct device *dev, 822 struct device_attribute *attr, char *buf) 823 { 824 struct w83627hf_data *data = w83627hf_update_device(dev); 825 return show_in_0(data, buf, data->in[0]); 826 } 827 static DEVICE_ATTR_RO(in0_input); 828 829 static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, 830 char *buf) 831 { 832 struct w83627hf_data *data = w83627hf_update_device(dev); 833 return show_in_0(data, buf, data->in_min[0]); 834 } 835 836 static ssize_t in0_min_store(struct device *dev, 837 struct device_attribute *attr, const char *buf, 838 size_t count) 839 { 840 struct w83627hf_data *data = dev_get_drvdata(dev); 841 unsigned long val; 842 int err; 843 844 err = kstrtoul(buf, 10, &val); 845 if (err) 846 return err; 847 848 mutex_lock(&data->update_lock); 849 850 if ((data->vrm_ovt & 0x01) && 851 (w83627thf == data->type || w83637hf == data->type 852 || w83687thf == data->type)) 853 854 /* use VRM9 calculation */ 855 data->in_min[0] = 856 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 857 else 858 /* use VRM8 (standard) calculation */ 859 data->in_min[0] = IN_TO_REG(val); 860 861 w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); 862 mutex_unlock(&data->update_lock); 863 return count; 864 } 865 866 static DEVICE_ATTR_RW(in0_min); 867 868 static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, 869 char *buf) 870 { 871 struct w83627hf_data *data = w83627hf_update_device(dev); 872 return show_in_0(data, buf, data->in_max[0]); 873 } 874 875 static ssize_t in0_max_store(struct device *dev, 876 struct device_attribute *attr, const char *buf, 877 size_t count) 878 { 879 struct w83627hf_data *data = dev_get_drvdata(dev); 880 unsigned long val; 881 int err; 882 883 err = kstrtoul(buf, 10, &val); 884 if (err) 885 return err; 886 887 mutex_lock(&data->update_lock); 888 889 if ((data->vrm_ovt & 0x01) && 890 (w83627thf == data->type || w83637hf == data->type 891 || w83687thf == data->type)) 892 893 /* use VRM9 calculation */ 894 data->in_max[0] = 895 clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); 896 else 897 /* use VRM8 (standard) calculation */ 898 data->in_max[0] = IN_TO_REG(val); 899 900 w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); 901 mutex_unlock(&data->update_lock); 902 return count; 903 } 904 905 static DEVICE_ATTR_RW(in0_max); 906 907 static ssize_t 908 alarm_show(struct device *dev, struct device_attribute *attr, char *buf) 909 { 910 struct w83627hf_data *data = w83627hf_update_device(dev); 911 int bitnr = to_sensor_dev_attr(attr)->index; 912 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 913 } 914 915 static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); 916 static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); 917 static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); 918 static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); 919 static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); 920 static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9); 921 static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10); 922 static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16); 923 static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17); 924 static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6); 925 static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7); 926 static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11); 927 static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); 928 static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); 929 static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13); 930 931 static ssize_t 932 beep_show(struct device *dev, struct device_attribute *attr, char *buf) 933 { 934 struct w83627hf_data *data = w83627hf_update_device(dev); 935 int bitnr = to_sensor_dev_attr(attr)->index; 936 return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1); 937 } 938 939 static ssize_t 940 beep_store(struct device *dev, struct device_attribute *attr, const char *buf, 941 size_t count) 942 { 943 struct w83627hf_data *data = dev_get_drvdata(dev); 944 int bitnr = to_sensor_dev_attr(attr)->index; 945 u8 reg; 946 unsigned long bit; 947 int err; 948 949 err = kstrtoul(buf, 10, &bit); 950 if (err) 951 return err; 952 953 if (bit & ~1) 954 return -EINVAL; 955 956 mutex_lock(&data->update_lock); 957 if (bit) 958 data->beep_mask |= (1 << bitnr); 959 else 960 data->beep_mask &= ~(1 << bitnr); 961 962 if (bitnr < 8) { 963 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); 964 if (bit) 965 reg |= (1 << bitnr); 966 else 967 reg &= ~(1 << bitnr); 968 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg); 969 } else if (bitnr < 16) { 970 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); 971 if (bit) 972 reg |= (1 << (bitnr - 8)); 973 else 974 reg &= ~(1 << (bitnr - 8)); 975 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg); 976 } else { 977 reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); 978 if (bit) 979 reg |= (1 << (bitnr - 16)); 980 else 981 reg &= ~(1 << (bitnr - 16)); 982 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg); 983 } 984 mutex_unlock(&data->update_lock); 985 986 return count; 987 } 988 989 static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0); 990 static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1); 991 static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2); 992 static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3); 993 static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8); 994 static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9); 995 static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10); 996 static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16); 997 static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17); 998 static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6); 999 static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7); 1000 static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11); 1001 static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4); 1002 static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5); 1003 static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13); 1004 static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15); 1005 1006 static ssize_t 1007 in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) 1008 { 1009 int nr = to_sensor_dev_attr(devattr)->index; 1010 struct w83627hf_data *data = w83627hf_update_device(dev); 1011 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); 1012 } 1013 1014 static ssize_t 1015 in_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 1016 { 1017 int nr = to_sensor_dev_attr(devattr)->index; 1018 struct w83627hf_data *data = w83627hf_update_device(dev); 1019 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); 1020 } 1021 1022 static ssize_t 1023 in_min_store(struct device *dev, struct device_attribute *devattr, 1024 const char *buf, size_t count) 1025 { 1026 int nr = to_sensor_dev_attr(devattr)->index; 1027 struct w83627hf_data *data = dev_get_drvdata(dev); 1028 long val; 1029 int err; 1030 1031 err = kstrtol(buf, 10, &val); 1032 if (err) 1033 return err; 1034 1035 mutex_lock(&data->update_lock); 1036 data->in_min[nr] = IN_TO_REG(val); 1037 w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); 1038 mutex_unlock(&data->update_lock); 1039 return count; 1040 } 1041 1042 static ssize_t 1043 in_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 1044 { 1045 int nr = to_sensor_dev_attr(devattr)->index; 1046 struct w83627hf_data *data = w83627hf_update_device(dev); 1047 return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); 1048 } 1049 1050 static ssize_t 1051 in_max_store(struct device *dev, struct device_attribute *devattr, 1052 const char *buf, size_t count) 1053 { 1054 int nr = to_sensor_dev_attr(devattr)->index; 1055 struct w83627hf_data *data = dev_get_drvdata(dev); 1056 long val; 1057 int err; 1058 1059 err = kstrtol(buf, 10, &val); 1060 if (err) 1061 return err; 1062 1063 mutex_lock(&data->update_lock); 1064 data->in_max[nr] = IN_TO_REG(val); 1065 w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); 1066 mutex_unlock(&data->update_lock); 1067 return count; 1068 } 1069 1070 static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1); 1071 static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); 1072 static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); 1073 static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2); 1074 static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); 1075 static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); 1076 static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3); 1077 static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); 1078 static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); 1079 static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4); 1080 static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); 1081 static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); 1082 static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5); 1083 static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); 1084 static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); 1085 static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6); 1086 static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); 1087 static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); 1088 static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7); 1089 static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); 1090 static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); 1091 static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8); 1092 static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8); 1093 static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8); 1094 1095 static ssize_t 1096 fan_input_show(struct device *dev, struct device_attribute *devattr, 1097 char *buf) 1098 { 1099 int nr = to_sensor_dev_attr(devattr)->index; 1100 struct w83627hf_data *data = w83627hf_update_device(dev); 1101 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], 1102 (long)DIV_FROM_REG(data->fan_div[nr]))); 1103 } 1104 1105 static ssize_t 1106 fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf) 1107 { 1108 int nr = to_sensor_dev_attr(devattr)->index; 1109 struct w83627hf_data *data = w83627hf_update_device(dev); 1110 return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], 1111 (long)DIV_FROM_REG(data->fan_div[nr]))); 1112 } 1113 1114 static ssize_t 1115 fan_min_store(struct device *dev, struct device_attribute *devattr, 1116 const char *buf, size_t count) 1117 { 1118 int nr = to_sensor_dev_attr(devattr)->index; 1119 struct w83627hf_data *data = dev_get_drvdata(dev); 1120 unsigned long val; 1121 int err; 1122 1123 err = kstrtoul(buf, 10, &val); 1124 if (err) 1125 return err; 1126 1127 mutex_lock(&data->update_lock); 1128 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 1129 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), 1130 data->fan_min[nr]); 1131 1132 mutex_unlock(&data->update_lock); 1133 return count; 1134 } 1135 1136 static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); 1137 static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); 1138 static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); 1139 static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); 1140 static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); 1141 static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); 1142 1143 static ssize_t 1144 fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) 1145 { 1146 int nr = to_sensor_dev_attr(devattr)->index; 1147 struct w83627hf_data *data = w83627hf_update_device(dev); 1148 return sprintf(buf, "%ld\n", 1149 (long) DIV_FROM_REG(data->fan_div[nr])); 1150 } 1151 1152 /* 1153 * Note: we save and restore the fan minimum here, because its value is 1154 * determined in part by the fan divisor. This follows the principle of 1155 * least surprise; the user doesn't expect the fan minimum to change just 1156 * because the divisor changed. 1157 */ 1158 static ssize_t 1159 fan_div_store(struct device *dev, struct device_attribute *devattr, 1160 const char *buf, size_t count) 1161 { 1162 int nr = to_sensor_dev_attr(devattr)->index; 1163 struct w83627hf_data *data = dev_get_drvdata(dev); 1164 unsigned long min; 1165 u8 reg; 1166 unsigned long val; 1167 int err; 1168 1169 err = kstrtoul(buf, 10, &val); 1170 if (err) 1171 return err; 1172 1173 mutex_lock(&data->update_lock); 1174 1175 /* Save fan_min */ 1176 min = FAN_FROM_REG(data->fan_min[nr], 1177 DIV_FROM_REG(data->fan_div[nr])); 1178 1179 data->fan_div[nr] = DIV_TO_REG(val); 1180 1181 reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 1182 & (nr==0 ? 0xcf : 0x3f)) 1183 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 1184 w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 1185 1186 reg = (w83627hf_read_value(data, W83781D_REG_VBAT) 1187 & ~(1 << (5 + nr))) 1188 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 1189 w83627hf_write_value(data, W83781D_REG_VBAT, reg); 1190 1191 /* Restore fan_min */ 1192 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 1193 w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); 1194 1195 mutex_unlock(&data->update_lock); 1196 return count; 1197 } 1198 1199 static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); 1200 static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); 1201 static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2); 1202 1203 static ssize_t 1204 temp_show(struct device *dev, struct device_attribute *devattr, char *buf) 1205 { 1206 int nr = to_sensor_dev_attr(devattr)->index; 1207 struct w83627hf_data *data = w83627hf_update_device(dev); 1208 1209 u16 tmp = data->temp[nr]; 1210 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 1211 : (long) TEMP_FROM_REG(tmp)); 1212 } 1213 1214 static ssize_t 1215 temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf) 1216 { 1217 int nr = to_sensor_dev_attr(devattr)->index; 1218 struct w83627hf_data *data = w83627hf_update_device(dev); 1219 1220 u16 tmp = data->temp_max[nr]; 1221 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 1222 : (long) TEMP_FROM_REG(tmp)); 1223 } 1224 1225 static ssize_t 1226 temp_max_store(struct device *dev, struct device_attribute *devattr, 1227 const char *buf, size_t count) 1228 { 1229 int nr = to_sensor_dev_attr(devattr)->index; 1230 struct w83627hf_data *data = dev_get_drvdata(dev); 1231 u16 tmp; 1232 long val; 1233 int err; 1234 1235 err = kstrtol(buf, 10, &val); 1236 if (err) 1237 return err; 1238 1239 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 1240 mutex_lock(&data->update_lock); 1241 data->temp_max[nr] = tmp; 1242 w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); 1243 mutex_unlock(&data->update_lock); 1244 return count; 1245 } 1246 1247 static ssize_t 1248 temp_max_hyst_show(struct device *dev, struct device_attribute *devattr, 1249 char *buf) 1250 { 1251 int nr = to_sensor_dev_attr(devattr)->index; 1252 struct w83627hf_data *data = w83627hf_update_device(dev); 1253 1254 u16 tmp = data->temp_max_hyst[nr]; 1255 return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) 1256 : (long) TEMP_FROM_REG(tmp)); 1257 } 1258 1259 static ssize_t 1260 temp_max_hyst_store(struct device *dev, struct device_attribute *devattr, 1261 const char *buf, size_t count) 1262 { 1263 int nr = to_sensor_dev_attr(devattr)->index; 1264 struct w83627hf_data *data = dev_get_drvdata(dev); 1265 u16 tmp; 1266 long val; 1267 int err; 1268 1269 err = kstrtol(buf, 10, &val); 1270 if (err) 1271 return err; 1272 1273 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); 1274 mutex_lock(&data->update_lock); 1275 data->temp_max_hyst[nr] = tmp; 1276 w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); 1277 mutex_unlock(&data->update_lock); 1278 return count; 1279 } 1280 1281 static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); 1282 static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); 1283 static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0); 1284 static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); 1285 static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); 1286 static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1); 1287 static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); 1288 static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); 1289 static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2); 1290 1291 static ssize_t 1292 temp_type_show(struct device *dev, struct device_attribute *devattr, 1293 char *buf) 1294 { 1295 int nr = to_sensor_dev_attr(devattr)->index; 1296 struct w83627hf_data *data = w83627hf_update_device(dev); 1297 return sprintf(buf, "%ld\n", (long) data->sens[nr]); 1298 } 1299 1300 static ssize_t 1301 temp_type_store(struct device *dev, struct device_attribute *devattr, 1302 const char *buf, size_t count) 1303 { 1304 int nr = to_sensor_dev_attr(devattr)->index; 1305 struct w83627hf_data *data = dev_get_drvdata(dev); 1306 unsigned long val; 1307 u32 tmp; 1308 int err; 1309 1310 err = kstrtoul(buf, 10, &val); 1311 if (err) 1312 return err; 1313 1314 mutex_lock(&data->update_lock); 1315 1316 switch (val) { 1317 case 1: /* PII/Celeron diode */ 1318 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1319 w83627hf_write_value(data, W83781D_REG_SCFG1, 1320 tmp | BIT_SCFG1[nr]); 1321 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1322 w83627hf_write_value(data, W83781D_REG_SCFG2, 1323 tmp | BIT_SCFG2[nr]); 1324 data->sens[nr] = val; 1325 break; 1326 case 2: /* 3904 */ 1327 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1328 w83627hf_write_value(data, W83781D_REG_SCFG1, 1329 tmp | BIT_SCFG1[nr]); 1330 tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); 1331 w83627hf_write_value(data, W83781D_REG_SCFG2, 1332 tmp & ~BIT_SCFG2[nr]); 1333 data->sens[nr] = val; 1334 break; 1335 case W83781D_DEFAULT_BETA: 1336 dev_warn(dev, "Sensor type %d is deprecated, please use 4 " 1337 "instead\n", W83781D_DEFAULT_BETA); 1338 fallthrough; 1339 case 4: /* thermistor */ 1340 tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); 1341 w83627hf_write_value(data, W83781D_REG_SCFG1, 1342 tmp & ~BIT_SCFG1[nr]); 1343 data->sens[nr] = val; 1344 break; 1345 default: 1346 dev_err(dev, 1347 "Invalid sensor type %ld; must be 1, 2, or 4\n", 1348 (long) val); 1349 break; 1350 } 1351 1352 mutex_unlock(&data->update_lock); 1353 return count; 1354 } 1355 1356 static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0); 1357 static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1); 1358 static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2); 1359 1360 static ssize_t 1361 alarms_show(struct device *dev, struct device_attribute *attr, char *buf) 1362 { 1363 struct w83627hf_data *data = w83627hf_update_device(dev); 1364 return sprintf(buf, "%ld\n", (long) data->alarms); 1365 } 1366 static DEVICE_ATTR_RO(alarms); 1367 1368 #define VIN_UNIT_ATTRS(_X_) \ 1369 &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ 1370 &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ 1371 &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ 1372 &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ 1373 &sensor_dev_attr_in##_X_##_beep.dev_attr.attr 1374 1375 #define FAN_UNIT_ATTRS(_X_) \ 1376 &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ 1377 &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ 1378 &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ 1379 &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ 1380 &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr 1381 1382 #define TEMP_UNIT_ATTRS(_X_) \ 1383 &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ 1384 &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ 1385 &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ 1386 &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ 1387 &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ 1388 &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr 1389 1390 static ssize_t 1391 beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) 1392 { 1393 struct w83627hf_data *data = w83627hf_update_device(dev); 1394 return sprintf(buf, "%ld\n", 1395 (long)BEEP_MASK_FROM_REG(data->beep_mask)); 1396 } 1397 1398 static ssize_t 1399 beep_mask_store(struct device *dev, struct device_attribute *attr, 1400 const char *buf, size_t count) 1401 { 1402 struct w83627hf_data *data = dev_get_drvdata(dev); 1403 unsigned long val; 1404 int err; 1405 1406 err = kstrtoul(buf, 10, &val); 1407 if (err) 1408 return err; 1409 1410 mutex_lock(&data->update_lock); 1411 1412 /* preserve beep enable */ 1413 data->beep_mask = (data->beep_mask & 0x8000) 1414 | BEEP_MASK_TO_REG(val); 1415 w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, 1416 data->beep_mask & 0xff); 1417 w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, 1418 ((data->beep_mask) >> 16) & 0xff); 1419 w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, 1420 (data->beep_mask >> 8) & 0xff); 1421 1422 mutex_unlock(&data->update_lock); 1423 return count; 1424 } 1425 1426 static DEVICE_ATTR_RW(beep_mask); 1427 1428 static ssize_t 1429 pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) 1430 { 1431 int nr = to_sensor_dev_attr(devattr)->index; 1432 struct w83627hf_data *data = w83627hf_update_device(dev); 1433 return sprintf(buf, "%ld\n", (long) data->pwm[nr]); 1434 } 1435 1436 static ssize_t 1437 pwm_store(struct device *dev, struct device_attribute *devattr, 1438 const char *buf, size_t count) 1439 { 1440 int nr = to_sensor_dev_attr(devattr)->index; 1441 struct w83627hf_data *data = dev_get_drvdata(dev); 1442 unsigned long val; 1443 int err; 1444 1445 err = kstrtoul(buf, 10, &val); 1446 if (err) 1447 return err; 1448 1449 mutex_lock(&data->update_lock); 1450 1451 if (data->type == w83627thf) { 1452 /* bits 0-3 are reserved in 627THF */ 1453 data->pwm[nr] = PWM_TO_REG(val) & 0xf0; 1454 w83627hf_write_value(data, 1455 W836X7HF_REG_PWM(data->type, nr), 1456 data->pwm[nr] | 1457 (w83627hf_read_value(data, 1458 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 1459 } else { 1460 data->pwm[nr] = PWM_TO_REG(val); 1461 w83627hf_write_value(data, 1462 W836X7HF_REG_PWM(data->type, nr), 1463 data->pwm[nr]); 1464 } 1465 1466 mutex_unlock(&data->update_lock); 1467 return count; 1468 } 1469 1470 static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); 1471 static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); 1472 static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); 1473 1474 static ssize_t 1475 name_show(struct device *dev, struct device_attribute *devattr, char *buf) 1476 { 1477 struct w83627hf_data *data = dev_get_drvdata(dev); 1478 1479 return sprintf(buf, "%s\n", data->name); 1480 } 1481 1482 static DEVICE_ATTR_RO(name); 1483 1484 static struct attribute *w83627hf_attributes[] = { 1485 &dev_attr_in0_input.attr, 1486 &dev_attr_in0_min.attr, 1487 &dev_attr_in0_max.attr, 1488 &sensor_dev_attr_in0_alarm.dev_attr.attr, 1489 &sensor_dev_attr_in0_beep.dev_attr.attr, 1490 VIN_UNIT_ATTRS(2), 1491 VIN_UNIT_ATTRS(3), 1492 VIN_UNIT_ATTRS(4), 1493 VIN_UNIT_ATTRS(7), 1494 VIN_UNIT_ATTRS(8), 1495 1496 FAN_UNIT_ATTRS(1), 1497 FAN_UNIT_ATTRS(2), 1498 1499 TEMP_UNIT_ATTRS(1), 1500 TEMP_UNIT_ATTRS(2), 1501 1502 &dev_attr_alarms.attr, 1503 &sensor_dev_attr_beep_enable.dev_attr.attr, 1504 &dev_attr_beep_mask.attr, 1505 1506 &sensor_dev_attr_pwm1.dev_attr.attr, 1507 &sensor_dev_attr_pwm2.dev_attr.attr, 1508 &dev_attr_name.attr, 1509 NULL 1510 }; 1511 1512 static const struct attribute_group w83627hf_group = { 1513 .attrs = w83627hf_attributes, 1514 }; 1515 1516 static ssize_t 1517 pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf) 1518 { 1519 int nr = to_sensor_dev_attr(devattr)->index; 1520 struct w83627hf_data *data = w83627hf_update_device(dev); 1521 if (data->type == w83627hf) 1522 return sprintf(buf, "%ld\n", 1523 pwm_freq_from_reg_627hf(data->pwm_freq[nr])); 1524 else 1525 return sprintf(buf, "%ld\n", 1526 pwm_freq_from_reg(data->pwm_freq[nr])); 1527 } 1528 1529 static ssize_t 1530 pwm_freq_store(struct device *dev, struct device_attribute *devattr, 1531 const char *buf, size_t count) 1532 { 1533 int nr = to_sensor_dev_attr(devattr)->index; 1534 struct w83627hf_data *data = dev_get_drvdata(dev); 1535 static const u8 mask[]={0xF8, 0x8F}; 1536 unsigned long val; 1537 int err; 1538 1539 err = kstrtoul(buf, 10, &val); 1540 if (err) 1541 return err; 1542 1543 mutex_lock(&data->update_lock); 1544 1545 if (data->type == w83627hf) { 1546 data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); 1547 w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, 1548 (data->pwm_freq[nr] << (nr*4)) | 1549 (w83627hf_read_value(data, 1550 W83627HF_REG_PWM_FREQ) & mask[nr])); 1551 } else { 1552 data->pwm_freq[nr] = pwm_freq_to_reg(val); 1553 w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], 1554 data->pwm_freq[nr]); 1555 } 1556 1557 mutex_unlock(&data->update_lock); 1558 return count; 1559 } 1560 1561 static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); 1562 static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); 1563 static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); 1564 1565 static ssize_t 1566 cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) 1567 { 1568 struct w83627hf_data *data = w83627hf_update_device(dev); 1569 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 1570 } 1571 1572 static DEVICE_ATTR_RO(cpu0_vid); 1573 1574 static ssize_t 1575 vrm_show(struct device *dev, struct device_attribute *attr, char *buf) 1576 { 1577 struct w83627hf_data *data = dev_get_drvdata(dev); 1578 return sprintf(buf, "%ld\n", (long) data->vrm); 1579 } 1580 1581 static ssize_t 1582 vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, 1583 size_t count) 1584 { 1585 struct w83627hf_data *data = dev_get_drvdata(dev); 1586 unsigned long val; 1587 int err; 1588 1589 err = kstrtoul(buf, 10, &val); 1590 if (err) 1591 return err; 1592 1593 if (val > 255) 1594 return -EINVAL; 1595 data->vrm = val; 1596 1597 return count; 1598 } 1599 1600 static DEVICE_ATTR_RW(vrm); 1601 1602 static ssize_t 1603 pwm_enable_show(struct device *dev, struct device_attribute *devattr, 1604 char *buf) 1605 { 1606 int nr = to_sensor_dev_attr(devattr)->index; 1607 struct w83627hf_data *data = w83627hf_update_device(dev); 1608 return sprintf(buf, "%d\n", data->pwm_enable[nr]); 1609 } 1610 1611 static ssize_t 1612 pwm_enable_store(struct device *dev, struct device_attribute *devattr, 1613 const char *buf, size_t count) 1614 { 1615 int nr = to_sensor_dev_attr(devattr)->index; 1616 struct w83627hf_data *data = dev_get_drvdata(dev); 1617 u8 reg; 1618 unsigned long val; 1619 int err; 1620 1621 err = kstrtoul(buf, 10, &val); 1622 if (err) 1623 return err; 1624 1625 if (!val || val > 3) /* modes 1, 2 and 3 are supported */ 1626 return -EINVAL; 1627 mutex_lock(&data->update_lock); 1628 data->pwm_enable[nr] = val; 1629 reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]); 1630 reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); 1631 reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; 1632 w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg); 1633 mutex_unlock(&data->update_lock); 1634 return count; 1635 } 1636 1637 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); 1638 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); 1639 static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); 1640 1641 static struct attribute *w83627hf_attributes_opt[] = { 1642 VIN_UNIT_ATTRS(1), 1643 VIN_UNIT_ATTRS(5), 1644 VIN_UNIT_ATTRS(6), 1645 1646 FAN_UNIT_ATTRS(3), 1647 TEMP_UNIT_ATTRS(3), 1648 &sensor_dev_attr_pwm3.dev_attr.attr, 1649 1650 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 1651 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 1652 &sensor_dev_attr_pwm3_freq.dev_attr.attr, 1653 1654 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 1655 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 1656 &sensor_dev_attr_pwm3_enable.dev_attr.attr, 1657 1658 NULL 1659 }; 1660 1661 static const struct attribute_group w83627hf_group_opt = { 1662 .attrs = w83627hf_attributes_opt, 1663 }; 1664 1665 static int w83627hf_probe(struct platform_device *pdev) 1666 { 1667 struct device *dev = &pdev->dev; 1668 struct w83627hf_sio_data *sio_data = dev_get_platdata(dev); 1669 struct w83627hf_data *data; 1670 struct resource *res; 1671 int err, i; 1672 1673 static const char *names[] = { 1674 "w83627hf", 1675 "w83627thf", 1676 "w83697hf", 1677 "w83637hf", 1678 "w83687thf", 1679 }; 1680 1681 res = platform_get_resource(pdev, IORESOURCE_IO, 0); 1682 if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { 1683 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", 1684 (unsigned long)res->start, 1685 (unsigned long)(res->start + WINB_REGION_SIZE - 1)); 1686 return -EBUSY; 1687 } 1688 1689 data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL); 1690 if (!data) 1691 return -ENOMEM; 1692 1693 data->addr = res->start; 1694 data->type = sio_data->type; 1695 data->name = names[sio_data->type]; 1696 mutex_init(&data->lock); 1697 mutex_init(&data->update_lock); 1698 platform_set_drvdata(pdev, data); 1699 1700 /* Initialize the chip */ 1701 w83627hf_init_device(pdev); 1702 1703 /* A few vars need to be filled upon startup */ 1704 for (i = 0; i <= 2; i++) 1705 data->fan_min[i] = w83627hf_read_value( 1706 data, W83627HF_REG_FAN_MIN(i)); 1707 w83627hf_update_fan_div(data); 1708 1709 /* Register common device attributes */ 1710 err = sysfs_create_group(&dev->kobj, &w83627hf_group); 1711 if (err) 1712 return err; 1713 1714 /* Register chip-specific device attributes */ 1715 if (data->type == w83627hf || data->type == w83697hf) 1716 if ((err = device_create_file(dev, 1717 &sensor_dev_attr_in5_input.dev_attr)) 1718 || (err = device_create_file(dev, 1719 &sensor_dev_attr_in5_min.dev_attr)) 1720 || (err = device_create_file(dev, 1721 &sensor_dev_attr_in5_max.dev_attr)) 1722 || (err = device_create_file(dev, 1723 &sensor_dev_attr_in5_alarm.dev_attr)) 1724 || (err = device_create_file(dev, 1725 &sensor_dev_attr_in5_beep.dev_attr)) 1726 || (err = device_create_file(dev, 1727 &sensor_dev_attr_in6_input.dev_attr)) 1728 || (err = device_create_file(dev, 1729 &sensor_dev_attr_in6_min.dev_attr)) 1730 || (err = device_create_file(dev, 1731 &sensor_dev_attr_in6_max.dev_attr)) 1732 || (err = device_create_file(dev, 1733 &sensor_dev_attr_in6_alarm.dev_attr)) 1734 || (err = device_create_file(dev, 1735 &sensor_dev_attr_in6_beep.dev_attr)) 1736 || (err = device_create_file(dev, 1737 &sensor_dev_attr_pwm1_freq.dev_attr)) 1738 || (err = device_create_file(dev, 1739 &sensor_dev_attr_pwm2_freq.dev_attr))) 1740 goto error; 1741 1742 if (data->type != w83697hf) 1743 if ((err = device_create_file(dev, 1744 &sensor_dev_attr_in1_input.dev_attr)) 1745 || (err = device_create_file(dev, 1746 &sensor_dev_attr_in1_min.dev_attr)) 1747 || (err = device_create_file(dev, 1748 &sensor_dev_attr_in1_max.dev_attr)) 1749 || (err = device_create_file(dev, 1750 &sensor_dev_attr_in1_alarm.dev_attr)) 1751 || (err = device_create_file(dev, 1752 &sensor_dev_attr_in1_beep.dev_attr)) 1753 || (err = device_create_file(dev, 1754 &sensor_dev_attr_fan3_input.dev_attr)) 1755 || (err = device_create_file(dev, 1756 &sensor_dev_attr_fan3_min.dev_attr)) 1757 || (err = device_create_file(dev, 1758 &sensor_dev_attr_fan3_div.dev_attr)) 1759 || (err = device_create_file(dev, 1760 &sensor_dev_attr_fan3_alarm.dev_attr)) 1761 || (err = device_create_file(dev, 1762 &sensor_dev_attr_fan3_beep.dev_attr)) 1763 || (err = device_create_file(dev, 1764 &sensor_dev_attr_temp3_input.dev_attr)) 1765 || (err = device_create_file(dev, 1766 &sensor_dev_attr_temp3_max.dev_attr)) 1767 || (err = device_create_file(dev, 1768 &sensor_dev_attr_temp3_max_hyst.dev_attr)) 1769 || (err = device_create_file(dev, 1770 &sensor_dev_attr_temp3_alarm.dev_attr)) 1771 || (err = device_create_file(dev, 1772 &sensor_dev_attr_temp3_beep.dev_attr)) 1773 || (err = device_create_file(dev, 1774 &sensor_dev_attr_temp3_type.dev_attr))) 1775 goto error; 1776 1777 if (data->type != w83697hf && data->vid != 0xff) { 1778 /* Convert VID to voltage based on VRM */ 1779 data->vrm = vid_which_vrm(); 1780 1781 if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) 1782 || (err = device_create_file(dev, &dev_attr_vrm))) 1783 goto error; 1784 } 1785 1786 if (data->type == w83627thf || data->type == w83637hf 1787 || data->type == w83687thf) { 1788 err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr); 1789 if (err) 1790 goto error; 1791 } 1792 1793 if (data->type == w83637hf || data->type == w83687thf) 1794 if ((err = device_create_file(dev, 1795 &sensor_dev_attr_pwm1_freq.dev_attr)) 1796 || (err = device_create_file(dev, 1797 &sensor_dev_attr_pwm2_freq.dev_attr)) 1798 || (err = device_create_file(dev, 1799 &sensor_dev_attr_pwm3_freq.dev_attr))) 1800 goto error; 1801 1802 if (data->type != w83627hf) 1803 if ((err = device_create_file(dev, 1804 &sensor_dev_attr_pwm1_enable.dev_attr)) 1805 || (err = device_create_file(dev, 1806 &sensor_dev_attr_pwm2_enable.dev_attr))) 1807 goto error; 1808 1809 if (data->type == w83627thf || data->type == w83637hf 1810 || data->type == w83687thf) { 1811 err = device_create_file(dev, 1812 &sensor_dev_attr_pwm3_enable.dev_attr); 1813 if (err) 1814 goto error; 1815 } 1816 1817 data->hwmon_dev = hwmon_device_register(dev); 1818 if (IS_ERR(data->hwmon_dev)) { 1819 err = PTR_ERR(data->hwmon_dev); 1820 goto error; 1821 } 1822 1823 return 0; 1824 1825 error: 1826 sysfs_remove_group(&dev->kobj, &w83627hf_group); 1827 sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); 1828 return err; 1829 } 1830 1831 static void w83627hf_remove(struct platform_device *pdev) 1832 { 1833 struct w83627hf_data *data = platform_get_drvdata(pdev); 1834 1835 hwmon_device_unregister(data->hwmon_dev); 1836 1837 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); 1838 sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); 1839 } 1840 1841 static struct platform_driver w83627hf_driver = { 1842 .driver = { 1843 .name = DRVNAME, 1844 .pm = W83627HF_DEV_PM_OPS, 1845 }, 1846 .probe = w83627hf_probe, 1847 .remove_new = w83627hf_remove, 1848 }; 1849 1850 static int __init w83627hf_find(int sioaddr, unsigned short *addr, 1851 struct w83627hf_sio_data *sio_data) 1852 { 1853 int err; 1854 u16 val; 1855 1856 static __initconst char *const names[] = { 1857 "W83627HF", 1858 "W83627THF", 1859 "W83697HF", 1860 "W83637HF", 1861 "W83687THF", 1862 }; 1863 1864 sio_data->sioaddr = sioaddr; 1865 err = superio_enter(sio_data); 1866 if (err) 1867 return err; 1868 1869 err = -ENODEV; 1870 val = force_id ? force_id : superio_inb(sio_data, DEVID); 1871 switch (val) { 1872 case W627_DEVID: 1873 sio_data->type = w83627hf; 1874 break; 1875 case W627THF_DEVID: 1876 sio_data->type = w83627thf; 1877 break; 1878 case W697_DEVID: 1879 sio_data->type = w83697hf; 1880 break; 1881 case W637_DEVID: 1882 sio_data->type = w83637hf; 1883 break; 1884 case W687THF_DEVID: 1885 sio_data->type = w83687thf; 1886 break; 1887 case 0xff: /* No device at all */ 1888 goto exit; 1889 default: 1890 pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); 1891 goto exit; 1892 } 1893 1894 superio_select(sio_data, W83627HF_LD_HWM); 1895 val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | 1896 superio_inb(sio_data, WINB_BASE_REG + 1); 1897 *addr = val & WINB_ALIGNMENT; 1898 if (*addr == 0) { 1899 pr_warn("Base address not set, skipping\n"); 1900 goto exit; 1901 } 1902 1903 val = superio_inb(sio_data, WINB_ACT_REG); 1904 if (!(val & 0x01)) { 1905 pr_warn("Enabling HWM logical device\n"); 1906 superio_outb(sio_data, WINB_ACT_REG, val | 0x01); 1907 } 1908 1909 err = 0; 1910 pr_info(DRVNAME ": Found %s chip at %#x\n", 1911 names[sio_data->type], *addr); 1912 1913 exit: 1914 superio_exit(sio_data); 1915 return err; 1916 } 1917 1918 static int __init w83627hf_device_add(unsigned short address, 1919 const struct w83627hf_sio_data *sio_data) 1920 { 1921 struct resource res = { 1922 .start = address + WINB_REGION_OFFSET, 1923 .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, 1924 .name = DRVNAME, 1925 .flags = IORESOURCE_IO, 1926 }; 1927 int err; 1928 1929 err = acpi_check_resource_conflict(&res); 1930 if (err) 1931 goto exit; 1932 1933 pdev = platform_device_alloc(DRVNAME, address); 1934 if (!pdev) { 1935 err = -ENOMEM; 1936 pr_err("Device allocation failed\n"); 1937 goto exit; 1938 } 1939 1940 err = platform_device_add_resources(pdev, &res, 1); 1941 if (err) { 1942 pr_err("Device resource addition failed (%d)\n", err); 1943 goto exit_device_put; 1944 } 1945 1946 err = platform_device_add_data(pdev, sio_data, 1947 sizeof(struct w83627hf_sio_data)); 1948 if (err) { 1949 pr_err("Platform data allocation failed\n"); 1950 goto exit_device_put; 1951 } 1952 1953 err = platform_device_add(pdev); 1954 if (err) { 1955 pr_err("Device addition failed (%d)\n", err); 1956 goto exit_device_put; 1957 } 1958 1959 return 0; 1960 1961 exit_device_put: 1962 platform_device_put(pdev); 1963 exit: 1964 return err; 1965 } 1966 1967 static int __init sensors_w83627hf_init(void) 1968 { 1969 int err; 1970 unsigned short address; 1971 struct w83627hf_sio_data sio_data; 1972 1973 if (w83627hf_find(0x2e, &address, &sio_data) 1974 && w83627hf_find(0x4e, &address, &sio_data)) 1975 return -ENODEV; 1976 1977 err = platform_driver_register(&w83627hf_driver); 1978 if (err) 1979 goto exit; 1980 1981 /* Sets global pdev as a side effect */ 1982 err = w83627hf_device_add(address, &sio_data); 1983 if (err) 1984 goto exit_driver; 1985 1986 return 0; 1987 1988 exit_driver: 1989 platform_driver_unregister(&w83627hf_driver); 1990 exit: 1991 return err; 1992 } 1993 1994 static void __exit sensors_w83627hf_exit(void) 1995 { 1996 platform_device_unregister(pdev); 1997 platform_driver_unregister(&w83627hf_driver); 1998 } 1999 2000 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 2001 "Philip Edelbrock <phil@netroedge.com>, " 2002 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 2003 MODULE_DESCRIPTION("W83627HF driver"); 2004 MODULE_LICENSE("GPL"); 2005 2006 module_init(sensors_w83627hf_init); 2007 module_exit(sensors_w83627hf_exit); 2008